JP7018641B2 - Shelf board fixing device - Google Patents

Description

The present invention relates to a shelf board fixing device for display shelves used in stores and the like, and more particularly to a shelf board fixing device capable of securely fixing a wooden shelf to a bracket.

A support member made of channel steel with a large number of slits on the front surface is attached to columns or the like provided at predetermined intervals by screws or the like, and the slits of the left and right support members are provided downward at the rear end of the bracket. There is a display shelf on which a bracket is attached by locking the L-shaped locking hook and a shelf board is placed on the bracket.

When a wooden shelf board is used as the shelf board, a horizontally bent shelf board mounting piece is provided on the bracket, the shelf board is placed on the mounting piece, and the shelf board is fixed to the bracket with screws. (For example, see Patent Document 1).

When it is integrally fixed to the bracket with screws, there is resistance to the pushing force applied to the shelf board, and there is no possibility that the shelf board will fall off. However, when changing the height of the shelf board, it is necessary to attach and detach the screw each time, and it takes time and effort to adjust the height of the shelf board.

On the other hand, as shown in FIGS. 39 and 40, a fixing dowel 113 is provided on the shelf plate mounting piece 121 of the bracket 111 in which the locking hook is inserted into the slit 110 of the support member 102, and the fixing dowel 113 is provided on the shelf plate 108 for fixing. There is a case in which a dowel hole 118 into which the dowel 113 is fitted is provided, the fixing dowel 113 is fitted into the dowel hole 118 of the shelf plate 108, and the shelf plate is placed on the bracket 111.

In this type, the shelf plate 108 can be removed from the bracket 111 by removing the fixing dowel 113 from the dowel hole 118 of the shelf plate 108, and the height of the shelf plate 108 can be easily adjusted. However, if a pushing force is applied to the shelf plate 108, the shelf plate 108 may come off. Therefore, there is a shelf board fixing device that is attached to a slit of a support member to hold the shelf board from above and fix the shelf board (see Patent Document 2). A display shelf to which a shelf board fixing device is attached will be described with reference to FIGS. 41 and 42.

For example, as shown in the perspective view of the display shelf of FIG. 41, the support member 102 made of channel steel or the like is fixed to the wall surface 101 at an appropriate interval by using the tap screw 103. In some cases, the support members 102 are not directly attached to the wall surface 101, but the columns are installed at appropriate intervals, and the support members 102 are fixed to the columns by using tap screws 103. Then, a backboard is attached between the support members 102 as needed.

The support member 102 is provided with a multi-stage upper and lower slit 110, and is provided with a vertical groove in which the locking hook of the bracket 111 inserted inside the slit 110 can move up and down.

The slit 110 of the support member 102 is formed in each of the vertically long holes, and the width thereof is slightly larger than the plate thickness of the bracket 111 in order to facilitate the insertion and removal of the locking hook.

As shown in the side view of FIG. 42, a shelf plate 108 made of a glass plate or the like is placed on a bracket 111 locked to the support member 102. Then, the shelf board fixing device 120 of the present invention is attached to the slit 110 of the support member 102 located at the upper part of the shelf board 108, the shelf board 108 is sandwiched between the shelf board fixing device 120 and the bracket 2, and the shelf board 108 is sandwiched between the shelf board fixing device 120 and the bracket 2. Prevents the jumping up.

Japanese Unexamined Patent Publication No. 2002-345609 JP-A-2015-29644

By using the above-mentioned shelf board fixing device, it is possible to prevent the shelf board from jumping up and prevent the shelf board from falling off. However, in Patent Document 2, since the shelf board fixing device is mounted on the shelf board, the area on which the product or the like can be placed on the shelf board is sacrificed accordingly.

The present invention is to provide a shelf board fixing device capable of reliably fixing a shelf board without sacrificing an area on which a product or the like can be placed on the shelf board.

The present invention has a support member provided with slits in multiple stages above and below, a bracket having a locking hook inserted into the slits and cantilevered and supported by the support member, and a bracket that is horizontally bent by the bracket. It has a shelf board support piece provided, a shelf board placed on the shelf board support piece, and a dowel hole provided on the shelf board support piece side of the shelf board, and is attached to the shelf board support piece. The shelf board fixing device is fitted into the dowel hole, and the shelf board fixing device is provided on the outer periphery of the fixing piece divided into a plurality of parts and the fixing piece, and abuts on the inner circumference of the dowel hole. An O-ring that engages with an abutting portion and an engagement groove provided on the outer periphery of the fixing piece, a fitting groove provided on the inner peripheral surface of the fixing piece, and a fitting groove provided at the tip of the fitting groove. A tapered recess, a shaft having a tapered surface in contact with the recess in the head and fitted into the fitting groove, an action clip rotatably attached to the lower end of the shaft, and the action. A cam mechanism for moving the shaft up and down by rotating a clip is provided, the shaft is fitted into the fitting groove, the O-ring is engaged with the engagement groove, and a plurality of fixing pieces are attached to the shaft. When the shaft is lowered, the fixing piece expands radially from the tip end portion to the lower end portion of the fitting groove with respect to the shaft due to the contact between the tapered surface of the shaft head and the concave portion of the fixing piece. The contact portion is pressed against the inner peripheral surface of the dowel hole.

Further, the shaft includes a lower end portion to which the action clip is attached and a body portion between the head portion and the lower end portion, and a taper washer supporting the body portion is mounted between the action clip and the fixing piece. Can be configured to be.

Further, a tapered second recess is provided at the lower end of the fitting groove, and the tapered washer is provided with a pair of rising pieces that come into contact with the second recess.

The body of the shaft may be inserted between the rising pieces to support it.

Further, it may have a notched recess into which the body portion is inserted and a fixing bracket having a clip for sandwiching the shelf plate support piece, and the fixing bracket may be inserted between the shelf plate support piece and the action clip.

In the present invention, since the fixing piece can be pressure-welded or separated from the inner circumference of the dowel hole of the shelf plate by rotating the action clip, the shelf plate can be reliably fixed and easily released. Further, since the shelf board fixing device is arranged under the shelf board, it is possible to eliminate obstacles on the shelf board.

It is a perspective view of the shelf board fixing device which concerns on 1st Embodiment of this invention, and shows an open state. It is a perspective view of the shelf board fixing device which concerns on 1st Embodiment of this invention, and shows an open state. It is a top view of the shelf board fixing device which concerns on 1st Embodiment of this invention. FIG. 3 is a sectional view taken along line IV-IV of FIG. It is sectional drawing of the shelf board fixing device which concerns on 1st Embodiment of this invention. It is a top view which shows the taper washer used for the shelf board fixing device which concerns on 1st Embodiment of this invention. It is a perspective view of the shelf board fixing device which concerns on 1st Embodiment of this invention, and shows a locked state. It is a vertical sectional view which shows the locked state of the shelf board fixing device which concerns on 1st Embodiment of this invention. It is a perspective view which shows the bracket used in this invention. It is a perspective view which shows the state which the shelf board fixing device is inserted into the shelf board mounting piece of a bracket. It is a perspective view which shows the state which the shelf board fixing device is inserted into the shelf board mounting piece on the tip end side of a bracket. It is a side view which shows the state which the shelf board fixing device is inserted into the shelf board mounting piece on the tip side of a bracket. It is a side view which shows the state which the shelf board fixing device is inserted into the shelf board mounting piece on the base end side of a bracket. It is a top view which shows the state which the fixed plate is attached to the shelf board mounting piece. It is a perspective view which shows the state which the fixed plate is attached to the shelf board mounting piece. It is a side view which shows the state which the fixed plate is attached to the shelf board mounting piece. It is a perspective view which shows the state which attached the shelf board fixing device to the shelf board mounting piece on the tip end side of a bracket. It is a perspective view which shows the state which attached the shelf board fixing device to the shelf board mounting piece on the base end side of a bracket. It is a perspective view which shows the state which the shelf board placed on the bracket is fixed by the shelf board fixing device. It is explanatory drawing which shows the state which inserted the shelf board fixing device into the dowel hole of the shelf board placed on the bracket. It is explanatory drawing which shows the state which the dowel hole of the shelf board placed on the bracket is fixed by the shelf board fixing device. It is a perspective view which shows the display shelf which attached the shelf board fixing device. It is a perspective view of the shelf board fixing device which concerns on the 2nd Embodiment of this invention, and shows an open state. It is a top view of the shelf board fixing device which concerns on the 2nd Embodiment of this invention. FIG. 24 is a sectional view taken along line VV of FIG. 24. It is a perspective view of the shelf board fixing device which concerns on 2nd Embodiment of this invention, and shows a locked state. It is a top view of the shelf board fixing device which concerns on 2nd Embodiment of this invention, and shows a locked state. It is a vertical sectional view which shows the locked state of the shelf board fixing device which concerns on the 2nd Embodiment of this invention. It is a perspective view of the state in which the shelf board fixing device which concerns on 2nd Embodiment is attached to the tip end side of a bracket. It is a perspective view of the state in which the shelf board fixing device which concerns on 2nd Embodiment is attached to the base end side of a bracket. It is a perspective view of the shelf board fixing device which concerns on 3rd Embodiment of this invention, and shows an open state. It is a top view of the shelf board fixing device which concerns on 3rd Embodiment of this invention. FIG. 32 is a sectional view taken along line VI-VI of FIG. 32. It is a perspective view of the shelf board fixing device which concerns on 3rd Embodiment of this invention, and shows a locked state. It is a top view of the shelf board fixing device which concerns on 3rd Embodiment of this invention, and shows a locked state. It is a vertical sectional view which shows the locked state of the shelf board fixing device which concerns on 3rd Embodiment of this invention. It is a perspective view of the state in which the shelf board fixing device which concerns on 3rd Embodiment is attached to the tip end side of the bracket 2. It is a perspective view of the state in which the shelf board fixing device 3a according to the 3rd Embodiment is attached to the base end side of the bracket 2. It is a perspective view which shows the bracket and the support member which attached the fixed dowel. It is explanatory drawing which shows the state which the fixed dowel is fitted in the dowel hole provided in the shelf board. It is a perspective view which shows the display shelf using the conventional shelf board fixing device. It is a side view which shows the display shelf using the conventional shelf board fixing device.

Embodiments of the present invention will be described in detail with reference to the drawings. The same or corresponding parts in the drawings are designated by the same reference numerals, and the explanations are not repeated in order to avoid duplication of explanations.

A display shelf to which a shelf board fixing device is attached will be described with reference to FIG. 22.
For example, as shown in the perspective view of FIG. 22, the support member 1 made of channel steel or the like is fixed to the wall surface at appropriate intervals by using tap screws (not shown). In some cases, the support members 1 are not directly attached to the wall surface, but the columns are installed at appropriate intervals, and the support members 1 are fixed to the columns using tap screws. Then, a backboard is attached between the support members 1 as needed.

The support member 1 is provided with a multi-stage upper and lower slit 11, and is provided with a vertical groove 13 through which the locking hook 24 of the bracket 2 inserted inside the slit 11 can move up and down. An L-shaped locking hook 24 having two or more upper and lower stages, and three stages in this embodiment, is formed at the rear end of the bracket 2 (see FIGS. 9 and 13). The locking hook 24 is inserted into the slit 11 of the support member 1, and the bracket 2 is locked to the support member 1 by lowering the bracket 2.

The slit 11 of the support member 1 is formed in a vertically long long hole, and its width is slightly larger than the plate thickness of the bracket 2 in order to facilitate the insertion and removal of the locking hook of the bracket 2. Further, a retaining tool 4 is attached to the bracket 2, and a part 41 of the retaining tool 4 is inserted between the slit 11 and the locking hook 24 to prevent the bracket 2 from falling off from the support member 1. is doing.

As shown in FIG. 9, the bracket 2 is provided with a shelf board mounting piece 21 bent in the horizontal direction. In this embodiment, the shelf board mounting pieces 21 are provided at two locations, the tip side and the base side of the bracket 2.

The shelf board mounting piece 21 is provided with a screw hole 22 and an oval hole 23 to which the shelf board fixing device 3 of the present invention is attached. As will be described later, the shelf board fixing device 3 has a side having a width (f) that can be inserted in the length direction (e) of the oval hole 23 and is orthogonal to this side, and has a width (g) larger than that of the oval hole 23. Has an action clip 34 with. The shelf board fixing device 3 is inserted into the oval hole 23 from the narrow side (f) of the action clip 34 and rotated by 90 ° so that the wide (g) side faces the oval hole 23 and is mounted on the shelf board. The shelf board fixing device 3 is attached to the placing piece 21 without coming off.

Next, the shelf board fixing device 3 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 8. 1 and 2 are perspective views of the shelf board fixing device according to the first embodiment of the present invention, and show an open state. FIG. 3 is a top view of the shelf board fixing device according to the first embodiment of the present invention, and FIG. 4 is a sectional view taken along line IV-IV of FIG. 5 is a cross-sectional view, and FIG. 6 is a plan view showing a taper washer used in the shelf board fixing device of the present invention. FIG. 7 is a perspective view of the shelf board fixing device according to the first embodiment of the present invention, and shows a locked state. FIG. 8 is a vertical sectional view showing a locked state of the shelf board fixing device according to the first embodiment of the present invention.

The shelf board fixing device 3 has fixing pieces 30 and 30 obtained by dividing a cylinder into two parts. The outer periphery of the fixing piece 30 is provided with a contact portion 31 that comes into contact with the inner peripheral surface of the dowel hole provided in the shelf plate, and an engagement groove 32 into which an O-ring 37 made of an elastic body is fitted. A rectangular groove 35 into which the shaft 33 is fitted is provided in the central portion of the fixing piece 30 (see FIGS. 4 and 5).

As shown in FIG. 4, a tapered recess 30a is provided at the tip of the rectangular groove 35. The recess 30a is formed with a tapered surface from the front end side toward the rear end in the axial direction. Further, a tapered recess 30b is also provided at the rear end of the rectangular groove 35. The recess 30b is formed with a tapered surface from the rear end side toward the tip in the axial direction.

In this embodiment, the shaft 33 is formed by punching a plate-shaped metal plate or the like, and is fitted into the rectangular groove 35 by using two shafts 33.

The head 33a of the shaft 33 fitted into the rectangular groove 35 has a tapered surface 33b that abuts on the recess 30a. A disk portion 33c for attaching the action clip 34 is provided at the lower end portion of the shaft 33. A mounting screw 5 for mounting the action clip 34 is inserted through 33d provided in the center of the disk portion 33c. The body portion 33e of the shaft 33 is fitted into the rectangular groove 35. As shown in FIG. 5, a pair of shafts 33, 33 are fitted into the rectangular groove 35.

The pair of shafts 33 are supported by the taper washers 36. As shown in FIG. 6, in the taper washer 36, a pair of a long hole 36a into which a disk portion 33c of the shaft 33 is inserted, a rectangular hole 36c communicating with the long hole 36a, and a pair of rectangular holes 36c facing each other are formed. A rising piece 36b is provided. The length (a) of the long side of the long hole 36a is formed to a size that allows the disk portion 33c to be inserted, and the length (b) of the long side of the long hole 36a is slightly larger than the plate thickness of the shaft 33. It is formed to a size. The width (c) of the rectangular hole 36c is formed to be substantially the same as the width of the body portion 33e of the shaft 33. The depth of the rectangular hole 36c is formed to be substantially the same as the total thickness of the pair of shafts 33, 33.

A pair of shafts 33 are inserted into the rectangular hole 36c through the shaft 33 through the elongated hole 36a. Then, the body portion 33e of the shaft 33 is supported by a pair of rising pieces 36b that rise from the rectangular hole 36c facing each other. The rising piece 36b is inclined obliquely toward the central portion, and the rising piece 36b is an inclined surface that abuts on the recess 30b of the fixing piece 30.

The shaft 33 is passed through the elongated hole 36a, and the body portions 33e of the pair of shafts 33 are moved between the rising pieces 36b and supported by the facing rising pieces 36b. Then, the recesses 30a and 30b of the fixing piece 30 divided into two are aligned with the tapered surface 33b of the shaft 33 and the inclined surface of the rising piece 36b, and the O-ring 37 is fitted into the engaging groove 32 to fix the pair to the shaft 33. The piece 30 is attached.

The action clip 34 is rotatably attached to the disk portion 33c provided at the lower end of the shaft 33 by the attachment screw 5. The action clip 34 is provided with a mounting portion 34b that is bent so as to face each other. The disk portion 33c of the shaft 33 is sandwiched between the mounting portions 34b, and the action clip 34 is attached to the shaft 33 by the mounting screw 5. A tongue 34a is provided at the tip of the action clip 34. When the tongue 34a faces downward, the shelf board fixing device 3 is in an open state with respect to the dowel holes formed in the shelf board. In this state, the abutting portion 31 of the fixing piece 30 does not abut on the dowel hole.

The fixing piece 30 side of the mounting portion 34b of the working clip 34 has a function of a cam plate that abuts on the fixing metal fitting 7 and moves the shaft 33 up and down by rotating the clip 34 by 90 °. The mounting portion 34b of the action clip 34, the fixing bracket 7 described later, and the shelf board mounting piece 21 form a cam mechanism.

As shown in FIGS. 7 and 8, the action clip 34 is rotated by 90 ° to lock the action clip 34. The state in which the tongue 34a of the action clip 34 faces sideways is the locked state. When the action clip 34 is rotated in the direction in which the tongue 34a faces sideways, the shaft 33 is lowered by the function of the cam plate of the action clip 34. When the shaft 33 is lowered, the concave portion 30a of the fixing piece 30 is pushed by the tapered surface 33b of the shaft 33, and the fixing piece 30 expands in the radial direction. The expansion of the fixing piece 30 in the radial direction is such that the contact portion 31 bites into the inner peripheral surface of the dowel hole of the shelf plate and is in pressure contact with the inner peripheral surface.

Next, the attachment of the shelf board fixing device 3 will be described with reference to FIGS. 10 to 21.
FIG. 10 is a perspective view showing a state in which the shelf board fixing device 3 is inserted into the shelf board mounting piece 21 of the bracket 2, and FIG. 11 is a perspective view showing a state in which the shelf board fixing device 3 is inserted into the shelf board mounting piece 21 on the tip side of the bracket 2. A perspective view showing a state in which the shelf board fixing device 3 is inserted, FIG. 12 is a side view showing a state in which the shelf board fixing device 3 is inserted into the shelf board mounting piece 21 on the tip side of the bracket 2, and FIG. 13 is a side view showing the base end side of the bracket 2. A side view showing a state in which the shelf board fixing device 3 is inserted into the shelf board mounting piece 21, FIG. 14 is a top view showing a state in which the fixing bracket 7 is attached to the shelf board mounting piece 21, and FIG. 15 is a fixing. A perspective view showing a state in which the metal fitting 7 is mounted on the shelf board mounting piece 21, FIG. 16 is a side view showing a state in which the fixing metal fitting 7 is mounted on the shelf board mounting piece 21, and FIG. 17 is a side view showing a state in which the metal fitting 7 is mounted on the shelf board mounting piece 21. A perspective view showing a state in which the shelf board fixing device 3 is mounted on the shelf board mounting piece 21, FIG. 18 shows a state in which the shelf board fixing device 3 is mounted on the shelf board mounting piece 21 on the base end side of the bracket 2. A perspective view, FIG. 19 is a perspective view showing a state in which the shelf plate 8 mounted on the bracket 2 is fixed by the shelf board fixing device 3, and FIG. 20 is a shelf in the dowel hole 81 of the shelf board 8 mounted on the bracket 2. An explanatory view showing a state in which the plate fixing device 3 is inserted, and FIG. 21 is an explanatory view showing a state in which the dowel hole 81 of the shelf board 8 placed on the bracket 2 is fixed by the shelf board fixing device 3.

As shown in FIGS. 1, 9 and 10 to 13, the shelf board fixing device 3 is inserted through the oval hole 23 of the shelf board mounting piece 21 of the bracket 2. Since the width (f) of one of the action clips 34 of the shelf board fixing device 3 is smaller than the length (e) of the oval hole 23, the width (f) direction of the shelf board fixing device 3 and the (e) of the oval hole 23 ) By aligning the directions, the shelf board fixing device 3 is inserted into the oval hole 23, and the shelf board fixing device 3 is supported in a state where the taper washer 36 is in contact with the upper surface of the shelf board mounting piece 21.

After that, the shelf board fixing device 3 is rotated by 90 ° to support the shelf board fixing device 3 on the shelf board mounting piece 21. At this time, as shown in FIGS. 12 and 13, the bent portion of the tongue 34 portion of the clip 34 of the shelf board fixing device 3 is rotated so as to be toward the shelf board mounting piece 21 side. As shown in FIG. 12, the shelf board fixing device 3 attached to the tip end side of the bracket 2 rotates the clip 34 toward the tip end side in the direction of the arrow in the figure. Similarly, as shown in FIG. 13, the shelf board fixing device 3 attached to the base end side of the bracket 2 rotates the clip 34 toward the support member side in the direction of the arrow in the drawing. The width (d) of the oval hole 23 is formed to be smaller than the other side (g) of the action clip 34 of the shelf board fixing device 3. By rotating the shelf board fixing device 3 by 90 °, the shelf board fixing device 3 does not come out of the oval hole 23.

Subsequently, as shown in FIGS. 14 to 16, in order to securely fix the shelf board fixing device 3 to the shelf board mounting piece 21, the fixing bracket 7 is placed between the shelf board mounting piece 21 and the action clip 34. Plug in. The fixing bracket 7 is made of, for example, a spring material, and is provided with a clip 72 for sandwiching the shelf board mounting piece 21. Further, a notched recess 71 into which the shaft 33 enters is provided.

The shaft 33 of the shelf board mounting piece 21 is inserted into the notch recess 71 of the fixing bracket 7, the fixing bracket 7 is inserted between the shelf board mounting piece 21 and the working clip 34, and the shelf board is mounted in the working clip 34. The fixing bracket 7 is attached by inserting the placing piece 21. A fixing bracket 7 is interposed between the acting clip 34 and the shelf board mounting piece 21, and when the acting clip 34 is turned, the acting clip 34 pushes the shelf board mounting piece 21 via the fixing bracket 7. , Operates as a cam mechanism to move the shaft 33 up and down.

As shown in FIGS. 17 and 18, when the tongue 34a of the action clip 34 faces downward, the fixing piece 30 has an outer diameter that can be inserted into the dowel hole of the shelf board in the closed state.

As shown in FIG. 20, the shelf board fixing device 3 is inserted into the dowel hole 81 provided in the shelf board 8. When the tongue 34a faces downward, the shelf board fixing device 3 is in an open state with respect to the dowel hole 81 formed in the shelf board 8. In this state, the abutting portion 31 of the fixing piece 30 does not abut on the dowel hole 81.

As described above, the fixing piece 30 side of the working clip 34 abuts on the fixing metal fitting 7 by rotating the working clip 34 by 90 °, and moves the shaft 33 downward.

As shown in FIGS. 19 and 21, the action clip 34 is rotated by 90 ° to lock the action clip 34. When the tongue 34a of the action clip 34 is turned sideways, the shaft 33 is lowered. When the shaft 33 is lowered, the concave portion 30a of the fixing piece 30 is pushed by the tapered surface 33b of the shaft 33, and the fixing piece 30 expands in the radial direction. When the fixing piece 30 expands in the radial direction, the contact portion 31 bites into the inner peripheral surface of the dowel hole 81 of the shelf plate 8, and the shelf plate 8 is pressure-welded and fixed to the shelf plate fixing device 3.

In the state of being fixed by the shelf board fixing device 3, there is a resistance force against the pushing force applied to the shelf board 8, and there is no possibility that the shelf board 8 will fall off. Further, when the clip 34 of the shelf board fixing device 3 is rotated to bring it into the state shown in FIG. 20, the shelf board 8 can be easily removed from the shelf board fixing device 3, and the height of the shelf board 8 can be easily changed. Can be done.

Next, the shelf board fixing device 3a according to the second embodiment of the present invention will be described with reference to FIGS. 23 to 30. FIG. 23 is a perspective view of the shelf board fixing device 3a according to the second embodiment of the present invention, and shows an open state. FIG. 24 is a top view of the shelf board fixing device 3a according to the second embodiment of the present invention, and FIG. 25 is a sectional view taken along line VV of FIG. 24. FIG. 26 is a perspective view of the shelf board fixing device 3a according to the second embodiment of the present invention, and shows a locked state. FIG. 27 is a top view of the shelf board fixing device 3a according to the second embodiment of the present invention, and shows a locked state. FIG. 28 is a vertical sectional view showing a locked state of the shelf board fixing device 3a according to the second embodiment of the present invention. FIG. 29 is a perspective view of a state in which the shelf board fixing device 3a according to the second embodiment is attached to the tip end side of the bracket 2, and FIG. 29 is a shelf board according to the second embodiment on the base end side of the bracket 2. It is a perspective view of the state which the fixing device 3a is attached.

The shelf board fixing device 3a has fixing pieces 30, 30 and 30 obtained by dividing a cylinder into three parts. The outer periphery of the fixing piece 30 is provided with a contact portion 31 that comes into contact with the inner peripheral surface of the dowel hole provided in the shelf plate, and an engagement groove 32 into which an O-ring 37 made of an elastic body is fitted. A circular groove 35a into which the shaft 33 is fitted is provided in the central portion of the fixing piece 30 (see FIG. 25).

As shown in FIG. 25, a tapered recess 30aa is provided at the tip of the circular groove 35a. The recess 30aa is formed with a mortar-shaped tapered surface from the tip side toward the rear end in the axial direction. Further, a tapered recess 30ab is provided at the rear end of the circular groove 35a. The recess 30ab is formed with a mortar-shaped tapered surface from the rear end side toward the tip in the axial direction.

In this second embodiment, the shaft 33s uses a single rod-shaped shaft.

The head 33a of the shaft 33s fitted into the circular groove 35a has a tapered surface 33ab that abuts on the recess 30aa. A hole 33sd for attaching the action clip 34 is provided at the lower end of the shaft 33s. A mounting screw 5 for mounting the action clip 34 is inserted into the hole 33sd. The body portion 33se of the shaft 33s is fitted into the circular groove 35a. As shown in FIG. 25, the rod-shaped shaft 33s is fitted into the circular groove 35a.

The shaft 33s is supported by the taper washer 36 shown in FIG. 6, as in the first embodiment. The taper washer 36 is provided with a long hole 36a into which the body portion 33se of the shaft 33s is inserted, a rectangular hole 36c communicating with the long hole 36a, and a pair of rising pieces 36b formed facing the rectangular hole 36c. .. The elongated hole 36a is formed to have a size in which the body portion 33se can be inserted, and the width of the elongated hole 36a is formed to be slightly larger than the diameter of the shaft 33s. The rectangular hole 36c is formed to have substantially the same size as the diameter of the body portion 33se of the shaft 33s. The depth of the rectangular hole 36c is formed to be substantially the same as the diameter of the body portion 33se of the shaft 33s.

The shaft 33s is passed through the elongated hole 36a, and the shaft 33s is inserted into the rectangular hole 36c. Then, the body portion 33se of the shaft 33s is supported by a pair of rising pieces 36b that rise from the rectangular hole 36c facing each other. The rising piece 36b is inclined obliquely toward the central portion, and the rising piece 36b is an inclined surface that abuts on the recess 30ab of the fixing piece 30.

The shaft 33s is passed through the elongated hole 36a, and the body portion 33se of the shaft 33s is moved between the rising pieces 36b and supported by the facing rising pieces 36b. Then, the recesses 30aa and 30ab of the fixing piece 30a divided into three parts are aligned with the tapered surface 33ab of the shaft 33s and the inclined surface of the rising piece 36b, and the O-ring 37 is fitted into the engaging groove 32 and divided into three parts on the shaft 33s. The fixing piece 30 is attached.

The action clip 34 is attached to the hole 33sd provided at the lower end of the shaft 33s by the attachment screw 5. The action clip 34 is provided with a mounting portion 34b that is bent so as to face each other. The body portion 33se of the shaft 33s is sandwiched between the attachment portions 34b, and the action clip 34 is attached to the shaft 33 by the attachment screw 5. A tongue 34a is provided at the tip of the action clip 34. When the tongue 34a faces downward, the shelf board fixing device 3 is in an open state with respect to the dowel holes formed in the shelf board. In this state, the abutting portion 31 of the fixing piece 30 does not abut on the dowel hole.

Similar to the first embodiment, the fixing piece 30 side of the mounting portion 34b of the working clip 34 is a cam that abuts on the fixing bracket 7 and moves the shaft 33s downward by rotating the working clip 34 by 90 °. It has the function of a board.

As shown in FIG. 28, the action clip 34 is rotated by 90 ° to lock the action clip 34. The state in which the tongue 34a of the action clip 34 faces sideways is the locked state. When the action clip 34 is rotated in the direction in which the tongue 34a faces sideways, the shaft 33s is lowered by the function of the cam plate of the action clip 34. When the shaft 33s is lowered, the concave portion 30aa of the fixing piece 30 is pushed by the tapered surface 33ab of the shaft 33s, and the fixing piece 30 expands in the radial direction. The expansion of the fixing piece 30 in the radial direction is such that the contact portion 31 bites into the inner peripheral surface of the dowel hole of the shelf plate.

Similar to the first embodiment, the shelf board fixing device 3a is inserted from the oval hole 23 of the shelf board mounting piece 21 of the bracket 2, the shelf board fixing device 3a is rotated by 90 °, and the shelf board mounting piece 21 is rotated. The shelf board fixing device 3 is supported on the top.

Subsequently, in order to securely fix the shelf board fixing device 3a to the shelf board mounting piece 21, the fixing bracket 7 is inserted between the shelf board mounting piece 21 and the action clip 34.

The shaft 33s of the shelf board fixing device 3a is inserted into the notch recess 71 of the fixing metal fitting 7, the fixing metal fitting 7 is inserted between the shelf board mounting piece 21 and the action clip 34, and the shelf board is placed in the clip 72. The piece 21 is inserted and the fixing bracket 7 is attached to the shelf board mounting piece 21. A fixing bracket 7 is interposed between the acting clip 34 and the shelf board mounting piece 21, and when the acting clip 34 is turned in the direction of the shelf board mounting piece 21, the mounting portion 34b of the acting clip 34 attaches the fixing bracket 7. The shelf board mounting piece 21 will be pushed through.

When the tongue 34a of the action clip 34 faces downward, the fixing piece 30 has an outer diameter that can be inserted into the dowel hole of the shelf board in the closed state.

In this way, the shelf board fixing device 3a is attached to the shelf board mounting piece 21 of the bracket 2, and the shelf board fixing device 3a is inserted into the dowel hole 81 provided in the shelf board 8 as in the first embodiment. When the tongue 34a faces downward, the shelf board fixing device 3a is in an open state with respect to the dowel hole 81 formed in the shelf board 8. In this state, the abutting portion 31 of the fixing piece 30 does not abut on the dowel hole 81.

The action clip 34 is rotated by 90 ° in the direction of the shelf board mounting piece 21 to lock the action clip 34. When the tongue 34a of the action clip 34 is turned sideways, the shaft 33s is lowered to the bottom. When the shaft 33s is lowered, the concave portion 30aa of the fixing piece 30 is pushed by the tapered surface 33ab of the shaft 33s, and the fixing piece 30 expands to the maximum in the radial direction. When the fixing piece 30 expands in the radial direction, the contact portion 31 of the fixing piece 30 bites into the inner peripheral surface of the dowel hole 81 of the shelf plate 8, and the shelf plate 8 is fixed to the shelf plate fixing device 3a.

Next, the shelf board fixing device 3b according to the third embodiment of the present invention will be described with reference to FIGS. 31 to 39. FIG. 31 is a perspective view of the shelf board fixing device 3b according to the third embodiment of the present invention, and shows an open state. 32 is a top view of the shelf board fixing device 3b according to the third embodiment of the present invention, and FIG. 33 is a sectional view taken along line VI-VI of FIG. 32. FIG. 34 is a perspective view of the shelf board fixing device 3b according to the third embodiment of the present invention, and shows a locked state. FIG. 35 is a top view of the shelf board fixing device 3b according to the third embodiment of the present invention, and shows a locked state. FIG. 36 is a vertical sectional view showing a locked state of the shelf board fixing device 3b according to the third embodiment of the present invention. FIG. 37 is a perspective view showing a state in which the shelf board fixing device 3b according to the third embodiment is attached to the tip end side of the bracket 2, and FIG. 38 shows a shelf board according to the third embodiment on the base end side of the bracket 2. It is a perspective view of the state which the fixing device 3b is attached.

The shelf board fixing device 3b has fixing pieces 30, 30, 30, and 30 obtained by dividing a cylinder into four parts. The outer periphery of the fixing piece 30 is provided with a contact portion 31 that comes into contact with the inner peripheral surface of the dowel hole provided in the shelf plate, and an engagement groove 32 into which an O-ring 37 made of an elastic body is fitted. A circular groove 35ba into which the shaft 33s is fitted is provided in the central portion of the fixing piece 30 (see FIG. 33).

As shown in FIG. 33, a tapered recess 30ba is provided at the tip of the circular groove 35ba. The recess 30ba is formed with a mortar-shaped tapered surface from the tip side toward the rear end in the axial direction. Further, a tapered recess 30bb is provided at the rear end of the circular groove 35ba. The recess 30bb is formed with a mortar-shaped tapered surface from the rear end side toward the tip in the axial direction.

In this third embodiment, the shaft 33s uses a single rod-shaped shaft.

The head 33a of the shaft 33s fitted into the circular groove 35ba has a tapered surface 33ab that abuts on the recess 30ba. A hole 33sd for attaching the action clip 34 is provided at the lower end of the shaft 33s. A mounting screw 5 for mounting the action clip 34 is inserted into the hole 33ad. The body portion 33se of the shaft 33s is fitted into the circular groove 35ba. As shown in FIG. 33, the rod-shaped shaft 33s is fitted into the circular groove 35ba.

The shaft 33s is supported by the taper washer 36 shown in FIG. 6, as in the first and second embodiments. The taper washer 36 is provided with a long hole 36a into which the body portion 33se of the shaft 33s is inserted, a rectangular hole 36c communicating with the long hole 36a, and a pair of rising pieces 36b formed facing the rectangular hole 36c. .. The elongated hole 36a is formed to have a size in which the body portion 33se can be inserted, and the width of the elongated hole 36a is formed to be slightly larger than the diameter of the shaft 33s. The rectangular hole 36c is formed to have substantially the same size as the diameter of the body portion 33se of the shaft 33s. The depth of the rectangular hole 36c is formed to be substantially the same as the diameter of the body portion 33se of the shaft 33s.

The shaft 33s is passed through the elongated hole 36a, and the shaft 33s is inserted into the rectangular hole 36c. Then, the body portion 33se of the shaft 33s is supported by a pair of rising pieces 36b that rise from the rectangular hole 36c facing each other. The rising piece 36b is inclined obliquely toward the central portion, and the rising piece 36b is an inclined surface that abuts on the recess 30bb of the fixing piece 30.

The shaft 33s is passed through the elongated hole 36a, and the body portion 33se of the shaft 33s is moved between the rising pieces 36b and supported by the facing rising pieces 36b. Then, the recesses 30ba and 30bb of the fixed piece 30 divided into three are aligned with the tapered surface 33ab of the shaft 33s and the inclined surface of the rising piece 36b, and the O-ring 37 is fitted into the engaging groove 32 to be divided into three parts to the shaft 33s. The fixing piece 30 is attached.

The action clip 34 is attached to the hole 33sd provided at the lower end of the shaft 33s by the attachment screw 5. The action clip 34 is provided with a mounting portion 34b that is bent so as to face each other. The body portion 33se of the shaft 33s is sandwiched between the attachment portions 34b, and the action clip 34 is attached to the shaft 33s by the attachment screw 5. A tongue 34a is provided at the tip of the action clip 34. When the tongue 34a faces downward, the shelf board fixing device 3b is in an open state with respect to the dowel holes formed in the shelf board. In this state, the abutting portion 31 of the fixing piece 30 does not abut on the dowel hole.

Similar to the first and second embodiments, the fixing piece 30 side of the mounting portion 34b of the working clip 34 abuts on the fixing bracket 7 by rotating the working clip 34 by 90 °, and the shaft 33s is lowered. It has the function of a cam plate to move.

As shown in FIG. 34, the action clip 34 is rotated by 90 ° to lock the action clip 34. The state in which the tongue 34a of the action clip 34 faces sideways is the locked state. When the action clip 34 is rotated in the direction in which the tongue 34a faces sideways, the shaft 33s is lowered by the function of the cam plate of the action clip 34. When the shaft 33s is lowered, the concave portion 30ba of the fixing piece 30 is pushed by the tapered surface 33ab of the shaft 33s, and the fixing piece 30 expands in the radial direction. The expansion of the fixing piece 30 in the radial direction is such that the contact portion 31 bites into the inner peripheral surface of the dowel hole of the shelf plate.

Similar to the first and second embodiments, the shelf board fixing device 3b is inserted from the oval hole 23 of the shelf board mounting piece 21 of the bracket 2, and the shelf board fixing device 3b is rotated by 90 ° to be mounted on the shelf board. The shelf board fixing device 3b is supported on the placing piece 21.

Subsequently, in order to securely fix the shelf board fixing device 3b to the shelf board mounting piece 21, the fixing bracket 7 is inserted between the shelf board mounting piece 21 and the action clip 34.

The shaft 33s of the shelf board fixing device 3b is inserted into the notch recess 71 of the fixing metal fitting 7, the fixing metal fitting 7 is inserted between the shelf board mounting piece 21 and the action clip 34, and the shelf board is placed in the clip 72. The piece 21 is inserted and the fixing bracket 7 is attached to the shelf board mounting piece 21. A fixing bracket 7 is interposed between the acting clip 34 and the shelf board mounting piece 21, and when the acting clip 34 is turned in the direction of the shelf board mounting piece 21, the mounting portion 34b of the acting clip 34 attaches the fixing bracket 7. The shelf board mounting piece 21 will be pushed through.

When the tongue 34a of the action clip 34 faces downward, the fixing piece 30 has an outer diameter that can be inserted into the dowel hole of the shelf board in the closed state.

In this way, the shelf board fixing device 3b is attached to the shelf board mounting piece 21 of the bracket 2, and the shelf board fixing device 3b is attached to the dowel hole 81 provided in the shelf board 8 as in the first and second embodiments. Plug it in. When the tongue 34a faces downward, the shelf board fixing device 3a is in an open state with respect to the dowel hole 81 formed in the shelf board 8. In this state, the abutting portion 31 of the fixing piece 30 does not abut on the dowel hole 81.

The action clip 34 is rotated by 90 ° in the direction of the shelf board mounting piece 21 to lock the action clip 34. When the tongue 34a of the action clip 34 is turned sideways, the shaft 33s is lowered to the bottom. When the shaft 33s is lowered, the concave portion 30ba of the fixing piece 30 is pushed by the tapered surface 33ab of the shaft 33, and the fixing piece 30 expands to the maximum in the radial direction. When the fixing piece 30 expands in the radial direction, the contact portion 31 of the fixing piece 30 bites into the inner peripheral surface of the dowel hole 81 of the shelf plate 8, and the shelf plate 8 is fixed to the shelf plate fixing device 3.

It should be considered that the embodiments disclosed this time are exemplary in all respects and not restrictive. The scope of the present invention is shown by the scope of claims rather than the description of the embodiments described above, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

1: Support member 2: Bracket 3: Shelf board fixing device 4: Retaining tool 5: Mounting screw 7: Fixing bracket 8: Shelf board 11: Slit 13: Vertical groove 21: Shelf board mounting piece 22: Screw hole 23: O-ring hole 24: Locking hook 30: Fixing piece 30a: Recessed portion 30b: Recessed portion 31: Contact portion 32: Engaging groove 33: Shaft 33a: Head 33ab: Tapered surface 33ad: Hole 33b: Tapered surface 33c: Disk portion 33e: Body 34: Action clip 34a: Bello 34b: Mounting part 35: Rectangular groove 35a: Circular groove 35ba: Circular groove 36: Tapered washer 36b: Rising piece 37: O-ring 81: Dowel hole

Claims (5)

A support member provided with multiple upper and lower slits, a bracket having a locking hook inserted into the slit and cantilevered and supported by the support member, and a shelf provided by being horizontally bent on the bracket. It has a plate support piece, a shelf plate placed on the shelf plate support piece, and a dowel hole provided on one side of the shelf plate support piece of the shelf plate, and is attached to the shelf plate support piece and has the dowel. A shelf board fixing device that fits into a hole
The shelf board fixing device includes a fixing piece divided into a plurality of parts, an abutting portion provided on the outer periphery of the fixing piece and in contact with the inner circumference of the dowel hole, and an engagement provided on the outer periphery of the fixing piece. The O-ring that engages with the groove, the fitting groove provided on the inner peripheral surface of the fixing piece, the tapered recess provided at the tip of the fitting groove, and the recess in contact with the head. A shaft having a tapered surface and fitted into the fitting groove, an action clip rotatably attached to the lower end of the shaft, and a cam mechanism for moving the shaft up and down by rotation of the action clip are provided. , The shaft is fitted into the fitting groove, the O-ring is engaged with the engaging groove, a plurality of fixing pieces are attached to the shaft, and when the shaft is lowered, the tapered surface of the shaft head and the fixing piece. Due to the contact with the recess, the fixing piece expands radially from the tip end portion to the lower end portion of the fitting groove with respect to the shaft, and the contact portion is pressed against the inner peripheral surface of the dowel hole. A shelf board fixing device characterized by this. The shaft comprises a lower end to which the action clip is attached and a body portion between the head and the lower end, and a taper washer supporting the body portion is mounted between the action clip and the fixing piece. The shelf board fixing device according to claim 1. 2. The second aspect of the present invention is characterized in that a second tapered recess is provided at the lower end of the fitting groove, and the tapered washer is provided with a pair of rising pieces that come into contact with the second recess. Shelf board fixing device. The shelf board fixing device according to claim 3, wherein a body portion of the shaft is inserted and supported between the rising pieces. It has a notch recess into which the body portion is inserted and a fixing bracket having a clip for sandwiching the shelf plate support piece, and the fixing bracket is inserted between the shelf plate support piece and the action clip. The shelf board fixing device according to any one of claims 2 to 4, wherein the shelf board fixing device is characterized.

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