The invention relates to a rocking chair for children.
For families with infants and young children, in order to take care of children and have time to work or do housework, the parents have the urgent need to place their children on rocking chairs for children which are low in cost and large in swing range and can swing, especially place their children on rocking chairs for children which are low in cost and large in swing range and have various swing modes. A rocking chair with a seat and a rotating shaft fixed is available in the market, the seat rotates along with the rotating shaft, but children are easy to feel dizzy and uncomfortable. A rocking chair with two Z-shaped rotating shafts is available in the market, a seat body and the two rotating shafts are movably connected and the seat body swings in a distance relative to a supporting frame. However, the problems that the movement range is not large, the technological requirements of a seat body supporting seat, the shafts and a supporting frame are very high when the seat body rotates along with the two shafts, the cost is high, and only a single swing mode can be carried out due to the fact that the two shafts rotate exist. At present, a rocking chair for children which is large in swing range, low in cost and single in swing mode is needed in the market, and a rocking chair for children which is large in swing range and low in cost and can achieve two different swing modes at the same time is also needed.
The invention aims to provide a rocking chair for children, which is large in swing range, low in cost and capable of realizing one swing mode, and also provide a rocking chair for children, which is large in swing range, low in cost, and capable of realizing two swing modes at the same time.
The Invention is Realized Through the Following Technical Solution:
A rocking chair for children includes a seat body, a supporting frame and a seat body limiting mechanism, the supporting frame includes a driving mechanism, the driving mechanism includes a driving motor, a driving motor power output part and a rotating shaft, the seat body is used for carrying a child, there is only one rotating shaft which independently supports the seat body, one end of the rotating shaft pivots around the supporting frame and is fixedly connected with the driving power output part, the other end of the rotating shaft pivots around the seat body, and a perpendicular line of a pivot point of the rotating shaft and the supporting frame and the ground deviates from a perpendicular line of a pivot point of the rotating shaft and the seat body and the ground; the seat body limiting mechanism includes a limiting piece and a limiting matching piece matched with the limiting piece, the limiting piece is movably connected with the limiting matching piece, when the rotating shaft rotates, the rotating shaft and the seat body rotate relatively, and the seat body limiting mechanism limits the included angle between the seat body and the rotating shaft to be kept at a set angle.
As further optimization of the technology, the limiting piece and the limiting matching piece are movably connected in a relative distance moving mode, and when the rotating shaft rotates, the limiting piece and the limiting matching piece move relatively at a certain distance so as to limit the included angle between the seat body and the rotating shaft to be kept at a set angle.
As further optimization of the technology, the limiting piece is connected with the seat body, and the limiting matching piece is arranged on the supporting frame.
As further optimization of the technology, a perpendicular line of a connecting point of the limiting piece and the seat body and the ground deviates from a perpendicular line of a pivot point of the other end of the rotating shaft and the seat body and the ground.
As further optimization of the technology, the supporting frame includes a base and a mounting box, the mounting box is connected with the base, the limiting piece is a moving piece, the limiting matching piece is a moving groove, when the rotating shaft rotates, the moving piece moves relative to the moving groove. The moving piece is arranged on the seat body, the moving groove matched with the moving piece is formed in the mounting box, and when the rotating shaft rotates, the limiting piece moves relative to the limiting matching piece at a certain distance along with the seat body.
As further optimization of the technology, a rotating piece is arranged on the moving piece, the rotating piece is able to rotate around the moving piece, and the rotating piece is in surface fit with the moving groove.
According to a preferred implementation mode, a motion track line of the moving piece moving from a starting point to an end point of the moving groove is an arc line; a perpendicular line of a highest point of the arc line and a connecting line of two end points of the arc line is shorter than a perpendicular line of a highest point of an arc line formed when the rotating shaft swings from a starting point to an end point and a connecting line of two end points of the arc line, and the moving groove is an arc-shaped groove.
As another implementation mode, a motion track line of the moving piece moving from a starting point to an end point of the moving groove is an arc line; the length of a perpendicular line of a highest point of the arc line and a connecting line of two end points of the arc line is the same as the length of a perpendicular line of a highest point of an arc line formed when the rotating shaft swings from a starting point to an end point and a connecting line of two end points of the arc line, and the moving groove is an arc-shaped groove.
As another implementation mode, when the rotating shaft swings from the starting point to the end point, the motion track line formed when the moving piece moves from the starting point to the end point of the moving groove is a straight line, and the moving groove is a linear groove.
As further optimization of the technology, a matching point of the moving piece and the moving groove and the moving groove are distributed on one side of the rotating shaft.
As further optimization of the technology, a connecting line of a connecting point of the moving piece and the seat body and a pivot point of the seat body and the rotating shaft is perpendicular to a perpendicular line of the pivot point of the seat body and the rotating shaft and the ground; the connecting line of the connecting point of the moving piece and the seat body and the pivot point of the seat body and the rotating shaft is perpendicular to a connecting line of a matching point of the moving piece and the moving groove and the connecting point of the moving piece and the seat body.
As further optimization of the technology, when the seat body moves left and right, the moving groove is an inclined-plane groove, and the inclined-plane groove obliquely faces the rear direction of the seat body.
As further optimization of the technology, the moving groove is an arc-shaped groove or an irregular wavy groove with alternating heights, and the moving groove is roughly and symmetrically formed in the two sides of a projection line, on the mounting box, of the rotating shaft when the rotating shaft rotates to the highest position.
As further optimization of the technology, the moving groove is arranged close to a pivot point of the rotating shaft and the mounting box.
As further optimization of the technology, the driving mechanism further includes a sensor arranged on the driving motor and a reduction gear set connected to the driving motor, and the sensor is able to control the driving motor to continuously rotate forwards and backwards in a reciprocating mode so that the rotating shaft is able to continuously rotate forwards and backwards in a reciprocating mode, and the rotating shaft is obliquely arranged on the mounting box.
As further optimization of the technology, two rotating pieces are arranged on the moving piece, and two moving grooves correspondingly matched with the two rotating pieces are formed in the mounting box.
Compared With the Prior Art, the Invention has the Following Advantages:
The seat body is independently supported by one rotating shaft, the seat body and the rotating shaft rotate flexibly, and the defects that interference is caused when the seat body is pivoted through two shafts, the requirement for technology is high, and the swing range is small are overcome. According to the rocking chair for children, the limiting piece and the limiting matching piece move relatively at a certain distance to limit the angle required by the seat body and the rotating shaft, so that different angles are set through the seat body and the rotating shaft when the rotating shaft rotates, one swing mode can be realized, and the rocking chair for children has the characteristics of large swing range, low cost, simple structure and stable seat body; the rocking chair for children can realize two different swing modes at the same time, and has the characteristics of large swing range, low cost, simple structure and stable seat body.
In order to more clearly explain the technical solution of the embodiment of the invention, the following will be briefly introduced in combination with the accompanying drawings. It is obvious that the accompanying drawings in the following description are only the specific embodiments of the invention, and for those skilled in the field, on the premise that creative labor is not paid, other drawings can be obtained according to the drawings.
The embodiments of the invention are now described with reference to
A children rocking chair as shown in
As shown in
As shown in
As shown in
As shown in
Preferably, the moving groove 10 is an arc-shaped groove, when the rotating shaft 7 rotates from low to high and then to low, the arc-shaped groove is arranged from low to high and then to low, as shown in
The motion track line of the moving piece 9 moving from the starting point to the end point of the moving groove 10 is an arc line, a perpendicular line of a highest point of the arc line and a connecting line of two end points of the arc line is shorter than a perpendicular line of a highest point of an arc line formed when the rotating shaft 7 swings from a starting point to an end point and a connecting line of two end points of the arc line, and the moving groove 10 is an arc-shaped groove. As a preferred implementation mode, the moving groove 10 is an arc-shaped groove as shown in
The motion track line of the moving piece 9 moving from a starting point to an end point of the moving groove 10 is an arc line; the length of a perpendicular line of a highest point of the arc line and a connecting line of two end points of the arc line is the same as the length of a perpendicular line of a highest point of an arc line formed when the rotating shaft 7 swings from a starting point to an end point and a connecting line of two end points of the arc line and the moving groove 10 is an arc-shaped groove. In another implementation mode, as shown in
Another implementation mode is shown in
As shown in the
As shown in
As shown in
As shown in the
The moving groove 10 is arranged close to the pivot point of the rotating shaft 7 and the mounting box 8. Through the arrangement, the size of the mounting box 8 is reduced, and the appearance of the mounting box 8 is more attractive.
The driving mechanism 4 further includes a sensor 12 arranged on the driving motor 5 and further includes a reduction gear set 13 connected to the driving motor 5, and the sensor 12 can control the driving motor 5 to continuously rotate forwards and backwards in a reciprocating mode, so that the rotating shaft 7 continuously rotates forwards and backwards in a reciprocating mode. The rotating angle of the rotating shaft 7 and positive and negative rotation of the driving motor 5 are detected through the sensor 12, the moving distance of the seat body 1 is controlled, speed reduction and force increasing are achieved through the reduction gear set 13, the structure is simple, and cost is low. The rotating shaft 7 is obliquely arranged on the mounting box 8, the cost can be reduced through the arrangement of the driving mechanism 4, the rotating shaft 7 is obliquely arranged on the mounting box 8 and is pivoted with the seat body 1, so that the seat body 1 generates conversion of kinetic energy and potential energy, and the aim of saving labor is achieved.
As shown in the
The rocking chair for children has the advantages that the swing range is large, the cost is low, the seat body 1 is stable, the structure is simple, meanwhile, two different swing modes can be set, and the defects that the swing range is small, the process requirement is high, and only one swinging function can be achieved in the market are overcome. The rocking chair is simple in structure and low in cost, the seat body 1 is stable, two different swing modes can be realized at the same time, and the rocking chair is invented through long-term elaborate research of engineers, is not easily thought by those skilled in the field and is not common knowledge of the public. One end and the other end described in the invention are only used to describe the name of the thing, which can be understood as the top of the thing or a section of the thing.
Although the invention has been described above with reference to embodiments, various improvements can be made without departing from the scope of the invention, and the invention can be implemented in other ways equivalent or well-known to those skilled in the art. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the invention can be combined with each other in any way. The description does not describe these combinations exhaustively, just for the sake of omitting space and saving resources. Therefore, the invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Number | Date | Country | Kind |
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202010197938.2 | Mar 2020 | CN | national |
The present application is a Continuation Application of PCT Application No. PCT/CN2021/080922 filed on Mar. 16, 2021, which claims the benefit of Chinese Patent Application No. 202010197938.2 filed on Mar. 19, 2020. All the above are hereby incorporated by reference in their entirety.
Number | Date | Country | |
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Parent | PCT/CN2021/080922 | Mar 2021 | US |
Child | 17719396 | US |