The present invention relates to improvements of a wall through fixture device (or a wall through fixture jig) for fixing various objects such as a hanger or a holding body for holding an optional objects; the hanger may comprise a foldable hook and may be fixed to a rear side of seats of a railway vehicle by inserting a case of the hanger through a wall of the seat.
Fixture devices (or fixture jigs) for fixing an object to a wall by passing the object through the wall (hereafter merely referred to a fixing device) have been proposed as various forms in which the object is made to pass through the wall and then is fixed to the wall by sandwiching the object with inner and outer faces of the wall (Patent Literatures 1-3).
A fixture device described in Patent Literature 1 (Japanese Utility Model Examined Publication Heisei No. 5-2656) comprises a wall 1 (in Patent Literature 1, referred to a strut 1) and a fastener bolt assembly 6 (in Patent Literature 1, referred to a fastener bolt 6) for passing through holes arranged by placing a wall 1 and an object 4 (in Patent Literature 1, referred to a lateral rail 4), which is to be fixed to the wall 1, such that each of the holes 3, 5 is aligned. The fastener bolt assembly 6 fixes and secures the object 4 by passing the fastener bolt 6 through the holes 3, 5, then screwing a bolt body 7 into a screw part 16 to spread a latch along with a tapered part 12 of the bolt body 7, the latch being held to a backup member 9 (in Patent Literature 1, referred to a sleeve 9 with cutting-in recesses 14) and the backup member 9 being integrated to the screw part 16, further then sandwiching the object 4 between a flange plate 17 at a bolt body 7 side and the hook.
In addition, a fixture device described in Patent Literature 2 (Europe Community Patent No. 0104980B1) comprises a nut 33 retained slidably to an axis line direction with respect to an object 32 to be fixed, a bolt 36 to be screwed into the nut 33 and three wings 2 received within space of the nut 33. When the bolt 36 is screwed into the nut 33, the nut 33 moves toward a head of the bolt 36 along with an axis line direction, and thus a base part of the three wings 2 received in the nut 33 is push by an inner circumference concave part of the object 32 to spread and to protrude from an outer circumference of the object 32 such that t the flange 1 of the object 32 and the spread wings 2 sandwich the object 32 to fix and secure the object 32 to the wall 6.
Furthermore, a fixture device described in Patent Literature 3 (Japanese Translation of PCT Publication No. 2009-526953) comprises holding elements 30, 31 which are held spreadably apart each other by a spring 28 placed in an object 24 to be passed through a wall 18 (in Patent Literature 1, referred to a leg 24). When the object 24 passes through the wall, a screw 44 is screwed into a screw hole 30 of the flange 20 of the object 24; a tip 40 of the screw 44 is sought into concaves 46, 48 of the holding elements 30, 31; then the holding elements 30, 31 are made to be displaced such that the holding elements 30, 31 become closer and to shorten an entire length against a spring 28 so as to make the object 24 pass through the wall 18; and then the screw 44 is loosen to extend apart the holding elements 30, 31 each other by the spring 28 such that the wall 18 is sandwiched between the flange 20 of the object 24 and ends of the holding elements 30, 31 to fix the object 24 to the wall.
However, the prior arts described in Patent Literatures 1 and 2 are both require hand supports of the object so as not to fall down from the wall until the backup member with the hooks (Patent Literature 1: Specification of Japanese Utility Model Examined Publication Heisei No. 5-2656) or the three wings (Patent Literature 2: Europe Community Patent No. 0104980B1) is driven to be displaced for sandwiching the wall at the inside of the wall after an object or a holding body for holding the object passes through the wall. Thus, there were drawbacks in that fixing work became elaborate and workability became low. Furthermore, the prior art literature described in Patent Literature 3: Japanese Translation of PCT Publication No. 2009-526953 holds the object to the wall merely by relative extension of two holding elements and there was a drawback in that the object could not be fixed securely to the wall.
A problem which is to be solved by the present invention is to provide a wall through fixture device which may hold temporarily the object until the object to be fixed is made pass through the wall and then parts to be locked to an inner face of the wall are driven to engage such that hand supports of the object may be omitted till the object is fixed securely; excellent workability may be provided and the object may be fixed securely to the wall.
A means for solving problems of the present invention is to provide a wall through fixture device comprising a case with a flange of an object, the flange being engaged with an outer face of a wall, the case being passed through the wall and a wall inner face engagement means held by the case, the wall inner face engagement means being driven so as to engage with an inner face of the wall, thereby fixing securely the object to the wall with sandwiching the wall by the flange of the case and the wall inner face engagement means characterized in that the wall inner face engagement means comprises:
a screw being rotatably supported to the case;
a nut being held non-rotatably in the case and being allowed to move along to a direction becoming near and apart with respect to a face of the wall;
at least one latch member being held displaceably to the nut in a direction along to a face of the wall and being engaged with an inner face of the wall and;
a resilient member for urging the latch member apart from the nut;
wherein the screw is screwed into the nut so as to make the nut and the latch member move toward the inner face of the wall, thereby sandwiching the wall between the flange of the case and the latch member.
According to the means for solving problems of the present invention, between the latch member and a hole of the wall a drawing back means may be preferably disposed and the drawing back means moves so as to draw back the latch member from an outer face of the case by engaging with the hole of the wall for allowing passage through the hole of the wall against the resilient member when the case passes through the hole of the wall.
According to the means for solving problems of the present invention, the drawing back means may consist of an outer peripheral slant face disposed at an outer periphery of the latch member and the outer peripheral slant surface makes the latch member move near to the nut against the resilient member by engaging with an edge of the hole of the wall when the case pass through the hole of the wall.
According to the means for solving problems of the present invention, the case may be preferably comprise a guide disposed in the case for engaging into a guide recess of the nut which allows the nut and the latch member to move slidably along to a direction becoming near and apart to a face of the wall and supports non-rotatably to a rotation direction of the nut.
According to the means for solving problems of the present invention, t the case may preferably comprise a backup tapered face disposed in the case and the backup tapered face backups the latch member such that the latch member engages with the backup tapered face for not coming the latch member near to the nut when the nut and the latch member move toward the flange side of the case in the direction becoming near and apart to a flange side of the case.
According to the means for solving problems of the present invention, the latch member may be preferably supported slidably to a direction along to a face of the wall by a protrusion formed to the nut.
According to the means for solving problems of the present invention, the latch member may be implemented such that the latch member comprises an engagement slant face for locking to an inner edge of the wall hole, and the engagement slant slope allows the latch members to move toward the inner edge of the wall hole together with the nut with respect to screwing of the screw so as to fix the object to the wall together with a flange of the case.
According to the means for solving problems of the present invention, the resilient member may be implemented such that the resilient member has a form of an almost U-shape comprising a spring piece extending along to an inner face of the latch member.
According to the means for solving problems of the present invention, the wall through fixture device may be implemented such that the wall through fixture device further comprises at least one pair of latch members and the pair of latch members is disposed symmetrically at both sides of the nut.
According to the present invention, when an object just passes through a wall, a latch member retained by a nut is drawn back to allow an object to pass through a wall hole and when a flange of the object has passed through to abut to an outer face of the wall, the latch member is spread by force of a resilient member to lock with an inner face of the wall such that the object may not fall down from the wall and may be fixed temporarily to the wall. Thus, if hands become free from the object, the object may not fall down from the wall and thereafter the object may not fall down from the wall until the latch member fixes finally the object by sequential screwing. Therefore, final fixing work by screwing may become easy while secure fixing of the object may be carried out with high workability.
Now, embodiments of the present invention will be detailed with referring to drawings.
The wall through fixture device 10 of the present invention, as shown from
The hanger hook 20F comprises a hook member 24 receivable within a front recess 20R of the case 20C and the hook member 24 is supported pivotally with a pin 26 extending through walls of both sides of the case 20C (refer to
The wall inner face engagement means 30 used in the present invention comprises, as shown in
In the embodiment shown in the figure, the nut 34 has, as shown in
The resilient member 38 comprises, as shown in
In the embodiment shown in the figure, the case 20C comprises a guide 20CG disposed inside the case 20C for supporting slidably the nut 34 and the pair of latch members 36R, 36L to the first direction while supporting non-rotatably to a rotation direction of the nut 34 (refer to
The pair of the latch members 36R, 36L comprises outer periphery (guiding) slant faces 36ROI, 36LOI (refer to
Here, motion of the wall through fixture device 10 for the object according to the present invention will be described. The pair of latch members 36R, 36L is held such that they normally project apart each other from both sides of the case 20 by the spring piece 38P of the resilient member 38 (in the width almost same as the flange 20FL of the case 20C) (refer to
When the flange 20FL of the object 20 has passed through the wall hole 22H to abut an outer face of the wall 22 and the pair of latch members 36R, 36L has passed through the wall hole 22H, the pair of latch members 36R, 36L is displaced to spread apart each other by the resilient member 38. Therefore, the inner edges 36RI, 36LI of the pair of latch members 36R, 36L abuts to the inner face of the wall 22 so that the pair of latch members 36R, 36L may not be fallen out and furthermore, the object 20 may be fixed temporarily by sandwiching the wall 22 between the flange 22FL thereof and the inner edges 36RI, 36RL of the pair of latch members 36R, 36L.
Further described in detail, as understood from
For further ensuring the final fixing of the object by the pair of latch members 36R, 36L, the pair of latch members 36R, 36L as shown in
As described above, according to the device 10 of the present invention, as the object 20 just passes through the wall hole 22, the pair of latch members 36R, 36L held to the nut 34 is narrowed to allow passage through the wall hole 22H. When the object 20 has passed through to make the flange 20FL of the object 20 abut to the outer face of the wall 22, the pair of latch members 36R, 36L is spread by the force of the spring 38 to lock with the inner face of the wall 22 and the object 20 is fixed temporarily to the wall. Therefore, the object 20 may not fall down from the wall 22 if hands are free from the object 20 such that the object 20 may not fall down until the pair of latch members 36R, 36L is fixed finally by subsequent screwing the screw 32 and the final fixing by subsequent screwing of the screw 32 may become easy.
As understood by comparing
Here, in
In the above embodiment, the object 20 is integrated as the case 20C of the device 10. The case 20C may be fixed to the wall 22, in which the object itself separately prepared from the case 20C is retained and is fixed to the case 20C by an adequate means. Furthermore, although the pair of latch members 36R, 36L is narrowed by the outer periphery (guiding) slant face 36ROI, 36LOI, the guiding slant face may be disposed at an outer periphery side of the wall hole 22H rather than the pair of latch members 36R, 36L sides. Alternatively, without providing the slant face, the pair of latch members 36R, 36L may be narrowed by fingers to insert the case 20C into the wall hole 22H.
Now, in the above embodiment, the pair of latch members 36R, 36L are provided, however, one latch member may be used so far as the case 20C may be assembled without slanting when sandwiched by the flange 20FL and one latch member, or alternatively, the wall 22 may be sandwiched by the flange 20 FL and two pairs of the latch members.
Furthermore, in the above embodiment, the terms “outer face, inner face” of the wall 22 and “outer periphery, inner periphery” of the pair of latch members 36R, 36L are used. In these terms, the meanings of “inner” or “outer” should be understood as; the term “outer” means the far side and the term “inner” means the near side along to the direction for insertion of the case 20C. Therefore, when the wall 22 is a part of a large casing and the insertion of the case 20C is performed from the inside of the casing, the wall face at the inside of the casing should be understood as the outer face and the wall face at the outside of the casing should be understood as the inner face.
Furthermore, in the embodiment, the case 22C has passed through the wall hole 22H and the flange 20FL and the pair of latch members 36R, 36L sandwich the wall 22; however, an object to be fixed may be formed on the outer face or the inner face and a wall of the object to be fixed having the hole which is aligned to the hole 22H of the wall 22 may be overlapped, and then case 22C may be passed through holes of these walls such that these walls may be sandwiched by the flange 20FL and the pair of latch members 36R, 36L of the case 22C so as to fix the object to be fixed. In this case, an assembled body of the case 22C, the nut 34 and the pair of latch members 36R, 36L may be referred to a fixture jig rather than referred to a fixture device.
When the case of the object to be fixed is passed through the wall hole, the case may be passed through the wall hole by drawing back the latch members against the resilient member which are disposed in the case and protrude from the outer face by the spring. When the passing through proceeds such that the flange of the case abuts to the outer face of the wall, the latch members spread by the force of the resilient member to engage with the inner face of the wall to fix the object temporarily so that the object may not fall down from the wall when hands are free from the object, and furthermore, the object may not fall off until the latch members 36R, 36L come proximity to the wall face and is fixed finally by subsequent screwing of the screw and then, the final fixing by screwing of the screw may become easy and the secure fixing of the object may be performed efficiently so that high industrial applicability may be provided.
Number | Date | Country | Kind |
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2015-248773 | Dec 2015 | JP | national |
This application is the U.S. National Phase of and claims priority to International Patent Application No. PCT/JP2016/087557, International Filing Date Dec. 16, 2016, which claims benefit of Japanese Patent Application No. 2015-248773 filed Dec. 21, 2015; both of which are incorporated herein by reference in their entireties.
Filing Document | Filing Date | Country | Kind |
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PCT/JP2016/087557 | 12/16/2016 | WO | 00 |