NOVEL JIGSAW PUZZLE TRAY AND JIGSAW PUZZLE RACK THEREOF

Abstract

The present disclosure discloses a novel jigsaw puzzle tray and a jigsaw puzzle rack thereof. The jigsaw puzzle tray includes: a seat body and a tray body, wherein a rotation connection portion is arranged between the seat body and the tray body, and the rotation connection portion is used for a circumferential rotation of the tray body to facilitate jigsaw puzzles in different orientations; a plurality of drawer assemblies that are arranged on a side wall of the tray body, drawable, and in one-to-one correspondence with a plurality of jigsaw puzzle areas, wherein the plurality of drawer assemblies are used for classification placement of jigsaw blocks; and a plurality of light prompt assemblies that are arranged at a bottom of the tray body, wherein the plurality of light prompt assemblies divide the tray body into the plurality of jigsaw puzzle areas. In the present disclosure, through the arrangement of the drawer assemblies, partition placement of different classes of jigsaw blocks is realized. At the same time, through the arrangement of the light prompt assemblies, different needs of different users on the difficulty of a jigsaw puzzle may be met. In addition, rotation mounting of the tray body and the seat body further facilitates the jigsaw puzzle for the users.

Description

TECHNICAL FIELD

The present disclosure relates to the technical field of jigsaw puzzles, in particular to a novel jigsaw puzzle tray and a jigsaw puzzle rack thereof.

BACKGROUND

Jigsaw puzzle toys are hands-on educational and entertaining for people of all ages. There are many kinds of existing jigsaw puzzle toys with different characteristics. On the premise that traditional scattered individual pieces are put together to form a whole picture, its structure includes a plurality of plastic jigsaw puzzle pieces with side edges provided with concave and convex structures that are connected with each other in a cooperative manner.

In an actual jigsaw puzzle process, firstly, the number of scattered individual pieces is huge, so it is difficult to find them quickly; secondly, in a scattered piece classification process, the lack of a classification tray makes it easy to lose the scattered individual pieces; and thirdly, the difficulty of the jigsaw puzzle varies from person to person, and it is difficult to complete the jigsaw puzzle independently for a user who is not good at jigsaw puzzles without auxiliary tools. Therefore, a novel jigsaw puzzle tray and a jigsaw puzzle rack thereof are designed.

SUMMARY

An objective of the present disclosure is to provide a novel jigsaw puzzle tray and a jigsaw puzzle rack thereof. Through an arrangement of drawer assemblies, partition placement of different classes of jigsaw blocks is realized. At the same time, through an arrangement of light prompt assemblies, different needs of different users on the difficulty of a jigsaw puzzle may be met. In addition, rotation mounting of a tray body and a seat body further facilitates the jigsaw puzzle for the users.

In order to implement the above objective, the present disclosure provides the following technical solution. A novel jigsaw puzzle tray includes: a seat body and a tray body, wherein a rotation connection portion is arranged between the seat body and the tray body, and the rotation connection portion is used for a circumferential rotation of the tray body to facilitate jigsaw puzzles in different orientations; a plurality of drawer assemblies that are arranged on a side wall of the tray body, drawable, and in one-to-one correspondence with a plurality of jigsaw puzzle areas, wherein the plurality of drawer assemblies are used for classification placement of jigsaw blocks; and a plurality of light prompt assemblies that are arranged at a bottom of the tray body, wherein the plurality of light prompt assemblies divide the tray body into the plurality of jigsaw puzzle arcas.

Preferably, each of the drawer assemblies includes a drawer portion mounted on the side wall of the tray body in a drawable manner, and a convex handle arranged on an outer side of the drawer portion; and further includes a through slot formed close to the bottom side wall of the tray body, and the through slot facilitates drawing of the convex handle when the drawer portion is embedded in the tray body.

Preferably, each set of the light prompt assemblies inclua light strip arranged at the bottom of the tray body, wherein the light strips are in a number of 6 and correspond to a position of each drawer portion, and an operation button arranged on the convex handle on the corresponding drawer portion, wherein the operation button is used for controlling turning on and off of the light strip in the position.

Preferably, a label is further arranged on an upper surface of each of the convex handles.

Preferably, the rotation connection portion includes a mounting ring arranged at the bottom of the tray body, and a plurality of balls arranged between the mounting ring and the seat body, and the plurality of balls are used for a relative rotation of the seat body and the tray body.

A jigsaw puzzle rack is applied to the novel jigsaw puzzle tray above. The jigsaw puzzle rack is composed of a screw connection portion, and a deflection rack body on the screw connection portion. The screw connection portion is used for detachable mounting of the deflection rack body and a seat body and for a position adjustment of the seat body in a horizontal direction. The deflection rack body includes two bases, and two sliding rails arranged on opposite faces of the two bases, wherein a fixed block is fixed at one ends of the two sliding rails, and a sliding block is slidably mounted at other ends of the two sliding rails; and further includes a first hinge member and a second hinge member arranged on the fixed block and the sliding block respectively; and a hinge rod and a mounting seat, wherein back ends of the hinge rod and the mounting seat are hinged to the first hinge member and the second hinge member respectively, opposite ends of the hinge rod and the mounting seat are rotationally connected by a hinge pin, when operating transversely, the sliding block is used for driving a pitch deflection of the screw connection portion on the mounting seat, and thus a pitch adjustment of the seat body is further realized.

Preferably, a drive assembly is further arranged on the base on a side close to the sliding block, and the drive assembly is used for driving transverse operation of the sliding block; and the drive assembly includes a screw body rotationally connected to the base, wherein a handle is fixed to one end of the screw body, and a screw sleeve is in a threaded connection to an other end of the screw body; and and limiting slots formed in opposite faces of the two sliding rails respectively, wherein a limiting rod is slidably mounted inside each of the limiting slots; and further includes the screw sleeve fixed to opposite ends of the limiting rods, wherein one end of the screw sleeve is in the threaded connection to the screw body, an other end of the screw sleeve is connected to the sliding block, and when rotated, the handle is used for driving a limiting movement of the screw sleeve and for realizing the transverse operation of the sliding block.

Preferably, the screw connection portion includes a mounting disk, wherein the mounting disk is fixed to a top of the mounting seat, and a plurality of long slots formed in the mounting disk, wherein a stud is arranged in each of the long slots, and the studs are in a threaded connection to a threaded hole formed in the seat body; and further includes nuts arranged on two sides of each of the long slots and in a threaded connection to the studs, wherein the two nuts are used for position locking of the studs and the long slot.

Compared with the prior art, the present disclosure has the beneficial effects.

1. Through the arrangement of the drawer assemblies, partition placement of different classes of jigsaw blocks is realized. At the same time, through the arrangement of light prompt assemblies, different needs of different users on the difficulty of a jigsaw puzzle may be met. In addition, rotation mounting of the tray body and the seat body further facilitates the jigsaw puzzle for the users.

2. The light prompt assemblies are arranged at the bottom of the tray body, and may divide the tray body into the plurality of jigsaw puzzle areas. At the same time, the plurality of jigsaw puzzle area are in one-to-one correspondence with the plurality of drawer assemblies, so that when the light prompt assemblies are in a turned-on state, corresponding prompts for storage positions and assembly positions of the jigsaw blocks may be realized, thereby reducing the difficulty of the jigsaw puzzle. When the light prompt assemblies are in a turned-off state, the tray body is of a transparent whole plate structure without light prompts, so that the difficulty of the jigsaw puzzle is upgraded. In this way, the jigsaw puzzle is suitable for users with different difficulty needs.

3. With the further arranged jigsaw puzzle rack, the pitch adjustment of the seat body is further realized by driving the pitch deflection of the screw connection portion, which may effectively facilitate the users to perform jigsaw puzzle processes in different positions and different postures when the jigsaw puzzle of a large area is performed.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a schematic diagram of a three-dimensional structure from a first view of Embodiment 1.

FIG. 2 is a schematic diagram of a three-dimensional structure from a second view of Embodiment 1.

FIG. 3 is a schematic diagram of a three-dimensional structure of Embodiment 1.

FIG. 4 is a schematic diagram of a mounting structure of Embodiment 1 and Embodiment 2.

FIG. 5 is a schematic diagram of a first disassembly structure of FIG. 4.

FIG. 6 is a schematic diagram of a second disassembly structure of FIG. 4. FIG. 7 is a schematic bottom view of FIG. 4.

FIG. 8 is an enlarged schematic structural diagram of Embodiment 2.

FIG. 9 is a schematic diagram of a perspective structure of a tray body of the present disclosure.

In the figures: 1, seat body; 2, tray body; 3, rotation connection portion; 301, ball; 302, mounting ring; 5, drawer assembly; 501, drawer portion; 502, convex handle; 503, through slot; 6, light prompt assembly; 601, light strip; 602, operation button; 603, label; 7, threaded hole; 8, mounting disk; 9, long slot; 10, stud; 11, nut; 12, base; 13, sliding rail; 14, fixed block; 15, sliding block; 16, first hinge member; 17, second hinge member; 18, hinge rod; 19, screw body; 20, screw sleeve; 21, limiting slot; 22, limiting rod; 23, handle; and 24, mounting seat.

DETAILED DESCRIPTION OF THE EMBODIMENTS

In the description of the present disclosure, it needs to be understood that orientations or position relationships indicated by terms such as “length”, “width”, “on”, “below”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” are orientations or position relationships shown based on accompanying drawings, and are used only for facilitating the description of the present disclosure and for simplifying the description, rather than indicating or implying that a mentioned apparatus or element must have a particular orientation or must be constructed and operated in a particular orientation, thus cannot be understood as a limitation on the present disclosure. Embodiments of the present disclosure are introduced in detail below in combination with the accompanying drawings.

Embodiment 1

Please refer to FIG. 1 to FIG. 9, the present disclosure preferably provides a technical solution: a novel jigsaw puzzle tray, including:

• • a seat body 1 and a tray body 2, wherein a rotation connection portion 3 is arranged between the seat body 1 and the tray body 2, and the rotation connection portion 3 is used for a circumferential rotation of the tray body 2 to facilitate jigsaw puzzles in different orientations; a plurality of drawer assemblies 5 that are arranged on a side wall of the tray body 2, drawable, and in one-to-one correspondence with a plurality of jigsaw puzzle areas, wherein the plurality of drawer assemblies 5 are used for classification placement of jigsaw blocks; and a plurality of light prompt assemblies 6 that are arranged at a bottom of the tray body 2, wherein the plurality of light prompt assemblies 6 divide the tray body 2 into the plurality of jigsaw puzzle areas.

In the present application, the seat body 1 and the tray body 2 may realize the circumferential rotation of the tray body 2 relative to the seat body 1 by means of an arranged transmission connection portion in combination with FIG. 2, which in turn facilitates a user to perform jigsaw puzzles in different orientations.

Moreover, the plurality of drawer assemblies 5 arranged on the side wall of the tray body 2 are used for preliminary classification placement of the jigsaw blocks prior to pre-assembly. Preferably, the drawer assemblies 5 are adapted to adjacent jigsaw puzzle areas thereof and are used for placing the corresponding jigsaw blocks in the corresponding and adjacent jigsaw puzzle areas.

Secondly, different needs of different users on the difficulty of a jigsaw puzzle are considered. In the present application, the light prompt assemblies 6 are arranged at the bottom of the tray body 2. As shown in FIG. 9, The light prompt assemblies 6 may divide the tray body 2 into the plurality of jigsaw puzzle areas. At the same time, the plurality of jigsaw puzzle area are in one-to-one correspondence with the plurality of drawer assemblies 5, so that when the light prompt assemblies 6 are in a turned-on state, in combination with what is shown in FIG. 3, corresponding prompts for storage positions and assembly positions of the jigsaw blocks may be realized, thereby reducing the difficulty of the jigsaw puzzle. When the light prompt assemblies 6 are in a turned-off state, in combination with what is shown in FIG. 1, there is no light prompt, so that the difficulty of the jigsaw puzzle is upgraded. In this way, the jigsaw puzzle is suitable for users with different difficulty needs.

In the present application, the jigsaw puzzle areas are arranged in correspondence with the drawer assemblies 5 so as to realize partition placement of different classes of jigsaw blocks. At the same time, through the arrangement of light prompt assemblies 6, different needs of different users on the difficulty of the jigsaw puzzle may be met. In addition, rotation mounting of the tray body 2 and the seat body 1 further facilitates the jigsaw puzzle for the users.

Further, each of the drawer assemblies 5 includes a drawer portion 501 mounted on the side wall of the tray body 2 in a drawable manner, and a convex handle 502 arranged on an outer side of the drawer portion 501; and further includes a through slot 503 formed close to the bottom side wall of the tray body 2, and the through slot 503 facilitates drawing of the convex handle 502 when the drawer portion 501 is embedded in the tray body 2.

A design of each of the convex handles 502 here is a handle design with a convex upper part and a concave lower part. As shown in FIG. 1 and FIG. 2, the design not only realizes hidden storage of the drawer assemblies 5, but at the same time, the design of the through slots 503 in the tray body 2 further facilitates the use of the convex handles 502.

Further, cach set of the light prompt assemblies 6 includes a light strip 601 arranged at the bottom of the tray body 2, wherein the light strips 601 are in a number of 6 and correspond to a position of each drawer portion 501, and an operation button 602 arranged on the convex handle 502 on the corresponding drawer portion 501, wherein the operation button 602 is used for controlling turning on and off of the light strip 601 in the position.

It is worth noting that: here, the operation button 602 is a single button arrangement with letters and color display on the button. When the operation button 602 is operated and the corresponding letter is selected, a single chip microcomputer receives and controls turning on and off of the corresponding light strip 601 at this time. At the same time, the light strip 601 is made to display the same color as that of the operation button 602 corresponding thereto for discrimination.

Further, a label 603 is further arranged on an upper surface of each of the convex handles 502. As shown in combination with FIG. 1 and FIG. 3, the design may be used in a case where the apparatus is unpowered or the light prompt assemblies 6 fail or no prompts of the light prompt assemblies 6 are needed, and the label 603 may be labeled with a jigsaw puzzle area that corresponds and is adjacent thereto.

Further, the rotation connection portion 3 includes a mounting ring 302 arranged at the bottom of the tray body 2, and a plurality of balls 301 arranged between the mounting ring 302 and the seat body 1, and the plurality of balls 301 are used for a relative rotation of the seat body 1 and the tray body 2, as shown in combination with FIG. 2.

Embodiment 2

A jigsaw puzzle rack is applied to the novel jigsaw puzzle tray foregoing. The jigsaw puzzle rack is composed of a screw connection portion, and a deflection rack body on the screw connection portion. The screw connection portion is used for detachable mounting of the deflection rack body and a seat body 1 and for a position adjustment of the seat body 1 in a horizontal direction. The deflection rack body includes two bases 12, and two sliding rails 13 arranged on opposite faces of the two bases 12, wherein a fixed block 14 is fixed at one ends of the two sliding rails 13, and a sliding block 15 is slidably mounted at other ends of the two sliding rails 13; and further includes a first hinge member 16 and a second hinge member 17 arranged on the fixed block 14 and the sliding block 15 respectively; and a hinge rod 18 and a mounting seat 24, wherein back ends of the hinge rod 18 and the mounting seat 24 are hinged to the first hinge member 16 and the second hinge member 17 respectively, opposite ends of the hinge rod 18 and the mounting seat 24 are rotationally connected by a hinge pin, when operating transversely, the sliding block 15 is used for driving a pitch deflection of the screw connection portion on the mounting seat 24, and thus a pitch adjustment of the seat body 1 is further realized.

In the embodiment, the jigsaw puzzle rack is composed of the screw connection portion, and the deflection rack body on the screw connection portion, and the seat body 1 is connected to the deflection rack body by means of the screw connection portion. Here a function of the screw connection portion is: for the detachable mounting of the deflection rack body and the seat body 1 and for the position adjustment of the seat body 1 in the horizontal direction. A function of the deflection rack body is: to further realize the pitch adjustment of the seat body 1 by driving the pitch deflection of the screw connection portion.

Specifically, as shown in combination with FIG. 4, FIG. 5, FIG. 6, FIG. 7, and FIG. 8, the sliding block 15 and the fixed block 14 slide and is fixed on the two sliding rails 13 respectively, while the first hinge member 16 and the second hinge member 17 are arranged on the fixed block 14 and the sliding block 15 respectively, and the hinge rod 18 and the mounting seat 24 hinged to the the first hinge member 16 and the second hinge member 17 respectively are rotationally connected by a hinge pin, so that when the sliding block 15 operates transversely on the sliding rail 13, the mounting seat 24 may be caused to be deflected. Specifically, when the sliding block 15 moves away from the direction of the fixed block 14, as shown in combination with FIG. 8, at this time, the sliding block 15 can drive the mounting seat 24 to perform a counterclockwise deflection in the state of FIG. 4 with the second hinge member 17 as an axis. While when the sliding block 15 approaches to the direction of the fixed block 14, the mounting seat 24 is driven to perform a clockwise deflection in the state of FIG. 4 with the second hinge member 17 as an axis. It is worth noting that a deflection angle of the mounting seat 24 in this part is limited as long as the needs of an angle adjustment of the jigsaw puzzle tray in the jigsaw puzzle are met.

Further, a drive assembly is further arranged on the base 12 on a side close to the sliding block 15, and the drive assembly is used for driving transverse operation of the sliding block 15. The drive assembly includes a screw body 19 rotationally connected to the base 12, wherein a handle 23 is fixed to one end of the screw body 19, and a screw sleeve 20 is in a threaded connection to an other end of the screw body 19; and limiting slots 21 formed in opposite faces of the two sliding rails 13 respectively, wherein a limiting rod 22 is slidably mounted inside each of the limiting slots 21; and further includes the screw sleeve 20 fixed to opposite ends of the limiting rods 22, wherein one end of the screw sleeve 20 is in the threaded connection to the screw body 19, an other end of the screw sleeve 20 is connected to the sliding block 15, and when rotated, the handle 23 is used for driving a limiting movement of the screw sleeve 20 and for realizing the transverse operation of the sliding block 15.

As shown in combination with FIG. 8, a function of the drive assembly is: to serve as a drive structure for the operation of the sliding block 15, specifically, the screw body 19 is in the threaded connection to the screw sleeve 20, the screw sleeve 20 is limited and connected to the sliding block 15 through the limiting rod 22 and the limiting slot 21, and therefore when the screw body 19 is rotated, the transverse movement of the sliding block 15 may be realized through the transmission of the screw sleeve 20.

Further, the screw connection portion includes a mounting disk 8, wherein the mounting disk 8 is fixed to a top of the mounting seat 24, and a plurality of long slots 9 formed in the mounting disk 8, wherein a stud 10 is arranged in each of the long slots 9, and the studs 10 are in a threaded connection to threaded holes 7 formed in the seat body 1; and further includes nuts 11 arranged on two sides of each of the long slots 9 and in a threaded connection to the studs 10, wherein the two nuts 11 are used for position locking of the studs 10 and the long slot 9.

As shown in combination with FIG. 6 and FIG. 8, it is known that the studs 10 penetrate the long slots 9 formed in the mounting disk 8 and are in the threaded connection to the threaded holes 7 formed in the seat body 1, and fixed mounting of the studs 10 with the mounting disk 8 may also be realized by the studs 10 respectively arranged on upper and lower sides of the long slots 9, so that the detachable mounting of the jigsaw puzzle tray and the jigsaw puzzle rack is realized. In addition, a horizontal adjustment of a relative position of the jigsaw puzzle tray and the jigsaw puzzle tray may be further realized by adjusting positions of the studs 10 in the long slots 9.

In the present disclosure, unless otherwise expressly specified and limited, terms “mounted”, “connected”, “connection”, “fixed”, etc. are to be understood in a broad sense, for example, as a fixed connection, as a detachable connection, or as an integral part; as a mechanical connection, or as an electrical connection; and as a direct connection, as an indirect connection through an intermediate medium, as communication within two elements or as an interactive relationship between two elements. The detachable mounting may be performed in various manners, for example, by means of a plug and buckle fit, or, for another example, by means of a bolt connection, etc.

The conception, specific structure and resulting technical effects of the present disclosure are clearly and completely described above in combination with the embodiments and the accompanying drawings, so as to fully understand the objective, features and effects of the present disclosure. Apparently, the described embodiments are only a part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present disclosure, other embodiments obtained by those of skill in the art without involving any inventive effort shall fall within the protection scope of the present disclosure. Furthermore, all coupling/connection relationships mentioned herein do not refer solely to members being directly connected, but rather to the fact that a more optimal coupling structure may be formed by adding or reducing coupling accessories depending on the specific implementation.

The specific description of the present disclosure in the above embodiments is only used to further illustrate the present disclosure, and cannot be understood as a limitation on the protection scope of the present disclosure, and some nonessential improvements and adjustments made to the present disclosure by technical engineers in the field according to the contents of the above disclosure fall within the protection scope of the present disclosure.

Claims

1. A novel jigsaw puzzle tray, comprising: a seat body (1) and a tray body (2), wherein a rotation connection portion (3) is arranged between the seat body (1) and the tray body (2), and the rotation connection portion (3) is used for a circumferential rotation of the tray body (2) to facilitate jigsaw puzzles in different orientations;a plurality of drawer assemblies (5) that are arranged on a side wall of the tray body (2), drawable, and in one-to-one correspondence with a plurality of jigsaw puzzle areas, wherein the plurality of drawer assemblies (5) are used for classification placement of jigsaw blocks; anda plurality of light prompt assemblies (6) that are arranged at a bottom of the tray body (2), wherein the plurality of light prompt assemblies (6) divide the tray body (2) into the plurality of jigsaw puzzle areas.

2. The novel jigsaw puzzle tray according to claim 1, wherein each of the drawer assemblies (5) comprises a drawer portion (501) mounted on the side wall of the tray body (2) in a drawable manner, and a convex handle (502) arranged on an outer side of the drawer portion (501); andfurther comprises a through slot (503) formed close to the bottom side wall of the tray body (2), and the through slot (503) facilitates drawing of the convex handle (502) when the drawer portion (501) is embedded in the tray body (2).

3. The novel jigsaw puzzle tray according to claim 1, wherein each set of the light prompt assemblies (6) comprises a light strip (601) arranged at the bottom of the tray body (2), wherein the light strips (601) are in a number of 6 and correspond to a position of each drawer portion (501), and an operation button (602) arranged on the convex handle (502) on the corresponding drawer portion (501), wherein the operation button (602) is used for controlling turning on and off of the light strip (601) in the position.

4. The novel jigsaw puzzle tray according to claim 2, wherein a label (603) is further arranged on an upper surface of each of the convex handles (502).

5. The novel jigsaw puzzle tray according to claim 1, wherein the rotation connection portion (3) comprises a mounting ring (302) arranged at the bottom of the tray body (2), and a plurality of balls (301) arranged between the mounting ring (302) and the seat body (1), and the plurality of balls (301) are used for a relative rotation of the seat body (1) and the tray body (2).

6. A jigsaw puzzle rack, applied to the novel jigsaw puzzle tray according to any one of claims 1-5, composed of a screw connection portion, and a deflection rack body on the screw connection portion, wherein the screw connection portion is used for detachable mounting of the deflection rack body and a seat body (1) and for a position adjustment of the seat body (1) in a horizontal direction; andthe deflection rack body comprises two bases (12), and two sliding rails (13) arranged on opposite faces of the two bases (12), wherein a fixed block (14) is fixed at one ends of the two sliding rails (13), and a sliding block (15) is slidably mounted at other ends of the two sliding rails (13); andfurther comprises a first hinge member (16) and a second hinge member (17) arranged on the fixed block (14) and the sliding block (15) respectively; anda hinge rod (18) and a mounting seat (24), wherein back ends of the hinge rod (18) and the mounting seat (24) are hinged to the first hinge member (16) and the second hinge member (17) respectively, opposite ends of the hinge rod (18) and the mounting seat (24) are rotationally connected by a hinge pin, when operating transversely, the sliding block (15) is used for driving a pitch deflection of the screw connection portion on the mounting seat (24), and thus a pitch adjustment of the seat body (1) is further realized.

7. The jigsaw puzzle rack according to claim 6, wherein a drive assembly is further arranged on the base (12) on a side close to the sliding block (15), and the drive assembly is used for driving transverse operation of the sliding block (15); andthe drive assembly comprises a screw body (19) rotationally connected to the base (12), wherein a handle (23) is fixed to one end of the screw body (19), and a screw sleeve (20) is in a threaded connection to an other end of the screw body (19); andlimiting slots (21) formed in opposite faces of the two sliding rails (13) respectively, wherein a limiting rod (22) is slidably mounted inside each of the limiting slots (21); andfurther comprises the screw sleeve (20) fixed to opposite ends of the limiting rods (22), wherein one end of the screw sleeve (20) is in the threaded connection to the screw body (19), an other end of the screw sleeve (20) is connected to the sliding block (15), and when rotated, the handle (23) is used for driving a limiting movement of the screw sleeve (20) and for realizing the transverse operation of the sliding block (15).

8. The jigsaw puzzle rack according to claim 6, wherein the screw connection portion comprises a mounting disk (8), wherein the mounting disk (8) is fixed to a top of the mounting seat (24), and a plurality of long slots (9) formed in the mounting disk (8), wherein a stud (10) is arranged in each of the long slots (9), and the studs (10) are in a threaded connection to a threaded hole (7) formed in the seat body (1); andfurther comprises nuts (11) arranged on two sides of each of the long slots (9) and in a threaded connection to the studs (10), wherein the two nuts (11) are used for position locking of the studs (10) and the long slot (9).