JP2018064805A - Support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely maintain the locking state of a shelf receiving bracket with a simple structure.SOLUTION: A support device for a shelf board includes a column 10, a shelf receiving bracket 20 and a fall prevention member 30. Hook holes 15 are formed at an equal interval in the vertical direction on the column 10. The shelf receiving bracket 20 includes a main part 20A which receives the shelf board, and a hook part 24 which is hooked to the hook hole 15 of the column 10. The fall prevention member 30 is supported in a rotatable manner on the lower part of the main part 20A and includes an insertion protrusion part 33. Lifting-up of the shelf receiving bracket 20 is prevented by inserting the insertion protrusion part 33 to the hook hole 15. A first engagement protrusion 39 is formed in the fall prevention member 30, and a second engagement protrusion 29 is formed on the rotation locus of the first engagement protrusion 39 on the lower end of the main part 20A of the shelf receiving bracket 20. The rotation of the fall prevention member 30 is prohibited by engagement of the first engagement protrusion 39 on the column 10 side of the second engagement protrusion 29, and the insertion state to the hook hole 15 of the insertion protrusion part 33 is maintained.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a support device that supports a shelf board and the like.

  A general support device for supporting a shelf board (support object) so that the height thereof can be adjusted includes a support body having a plurality of vertical slit-shaped hanging holes formed at intervals in the vertical direction, and a downward hook portion. And a shelf receiving bracket (hanging member). The shelf bracket is attached to the support by hooking the hook portion on the hanging hole located at a desired height. Specifically, the shelf bracket is moved toward the support and the hook portion is inserted into the hooking hole. Next, the shelf bracket is lowered, and the hook portion is hooked on the lower end of the hanging hole. A shelf board is placed on the shelf receiving bracket.

  Since a gap is formed between the hook portion and the upper end of the hooking hole, the shelf bracket may be lifted upward by an unintended external force or vibration during an earthquake. At this time, there is a possibility that the hook part is detached from the hooking hole and the shelf bracket is dropped from the support.

  In view of this, various support devices using a drop-off prevention member have been proposed in order to prevent the shelf bracket bracket from lifting and, in turn, to prevent the shelf bracket bracket from falling off the support. The drop-off preventing member has an insertion convex portion that is pivotally supported by the shelf bracket and protrudes toward the support body. In the state in which the shelf support bracket is attached to the support, the shelf support bracket is prevented from being lifted by inserting the insertion protrusion of the drop-off prevention member into the hooking hole.

In order to maintain the state where the insertion protrusion of the drop-off prevention member is inserted into the hooking hole, it is necessary to regulate the rotation of the drop-off prevention member.
The drop-off prevention member of Patent Document 1 is rotatably supported on the shelf bracket via a screw. By tightening this screw, the drop-off prevention member is prohibited from turning, and the insertion protrusion is formed in the hooking hole. The inserted state is maintained. When removing the shelf bracket, loosen the screw and rotate the drop-off prevention member away from the support to remove the insertion protrusion from the hook hole, and lift the shelf bracket in that state to support the shelf Remove from.

  In Patent Document 2, the drop-off prevention member is urged to rotate by the force of a coil spring, and the insertion state of the insertion convex portion into the hooking hole is maintained by this urging force. When removing the shelf support bracket, the drop-off prevention member is rotated against the force of the coil spring, and the insertion protrusion is removed from the hooking hole.

  Patent Document 3 discloses a frame structure of a display shelf that can be easily disassembled. In order to support a lower connecting rod (supported object) on a support (support), a hanging member and a drop-off preventing member similar to the above are provided. It is used. More specifically, the support column is formed with a hook hole on which the hook portion of the hook member is hung, and an insertion hole into which the insertion protrusion of the drop-off preventing member is inserted is formed below. The state where the insertion protrusion of the drop-off prevention member is inserted into the insertion hole is maintained by frictional engagement of the upper edge of the insertion protrusion with the arc shape with the upper end of the hooking hole.

Japanese Utility Model Publication No. 61-25842 International Publication WO2016 / 129669 Japanese Utility Model Publication No. 6-204

In the support device of Patent Document 1, in order to maintain the state where the insertion protrusion of the drop-off prevention member is inserted into the hanging hole of the support body, the screw is tightened and the screw is loosened to release the insertion state. Work is complicated.
In the support device of Patent Document 2, since the coil spring is used to maintain the insertion state of the insertion protrusion of the drop-off prevention member into the hooking hole, the number of parts increases and the structure becomes complicated.
In the support device of Patent Document 3, since the insertion state is maintained by frictional engagement between the insertion protrusion and the insertion hole, the maintenance is uncertain.

In order to solve the above problems, the present invention provides (a) a support body having a hooking hole and an insertion hole, (a) a main part that supports a support object, and a protrusion projecting from the main part toward the support body. A hooking member having a hook part hung on the hooking hole; and (c) a drop-off having a plug-in convex part that is rotatably supported by the main part of the hooking member and protrudes toward the support body. And the insertion protrusion is inserted into the insertion hole along with the rotation of the drop-off prevention member, so that the lifting of the hooking member is prevented, and the insertion protrusion is In the support device that allows the lifting of the hanging member by detaching from the insertion hole,
A first engagement protrusion is formed on the drop-off prevention member, and a second engagement protrusion is formed on the pivoting locus of the first engagement protrusion on the hanging member. The first engagement protrusion can get over the second engagement protrusion by applying rotational force, and the first engagement protrusion is locked on the support side of the second engagement protrusion, so that the drop-off is performed. The prevention member is prohibited from rotating, and the insertion state of the insertion protrusion into the insertion hole is maintained.

  According to the above configuration, the insertion protrusion of the drop-off prevention member is maintained inserted into the insertion hole of the support by the engagement of the first and second engagement protrusions, so that the number of parts is not increased. In addition, it is possible to perform insertion and release of the insertion convex portion into the insertion hole with a simple operation, and to maintain this insertion state reliably, and to attach the hanging member to the support body. The state can be reliably maintained.

Preferably, the support and the hanging member are made of metal, and the drop-off preventing member is made of resin.
According to this configuration, the first engagement protrusion can smoothly get over the second engagement protrusion by applying the turning force to the drop-off prevention member.

Preferably, the insertion hole is disposed below a hooking hole on which the hook portion is hung, and the drop-off prevention member is rotatably supported at a lower portion of the main portion and protrudes downward from the main portion. The drop-off preventing member has a shoulder portion opposed to the lower end of the main portion, the first engagement protrusion is formed on the upper surface of the shoulder portion, and the second engagement is formed on the lower end of the main portion. The protrusion is formed to protrude downward.
According to this configuration, the configuration for forming the first and second engaging protrusions can be simplified.

  Preferably, a plurality of the hook holes are formed in the support body at intervals in the vertical direction, the hook portions are selectively hung on the plurality of hook holes, and below the hook holes on which the hook portions are hung. A hook hole located at is provided as the insertion hole.

Preferably, the hooking holes are formed in a pair on the left and right, the hooking holes forming the pair are formed at intervals in the vertical direction, and the main part includes an upper plate part on which the support target is placed, A pair of side plate portions projecting vertically from the left and right sides of the plate portion, the hook portions projecting from the pair of side plate portions, and the second engaging projections at the lower ends of the pair of side plate portions, respectively. The drop-off prevention member is formed between a lower portion of the pair of side plate portions and is rotatably supported, and an operation portion protruding downward from the attachment portion. A pair of left and right insertion protrusions are formed on the operation portion, a pair of shoulder portions facing the lower ends of the pair of side plate portions are formed on both left and right sides of the operation portion, and the first shoulder is formed on the pair of shoulder portions. Engagement protrusions are respectively formed.
According to this configuration, the hanging member can be stably attached to the support body by the pair of left and right hook portions, and the drop-off preventing member can be stably inserted into the support body by the pair of left and right insertion protrusions. With the pair of first engaging convex portions and the pair of left and right second engaging convex portions, the insertion state of the drop-off preventing member can be stably maintained.

  Preferably, the object to be supported is a shelf board, the support body is formed of a support column extending in the vertical direction, the hanging member is formed of a shelf support bracket, and a main portion of the shelf support bracket is formed in an elongated shape, Put a part.

  According to the present invention, without increasing the number of parts, the insertion protrusion of the drop-off prevention member can be inserted into the insertion hole, or the insertion can be released with a simple operation. Thus, the mounting state of the hanging member on the support can be reliably maintained.

It is a perspective view which shows a pair of support apparatus for shelf board support which makes one Embodiment of this invention in an unlocked state. It is a perspective view which shows the support apparatus in a locked state. (A) is a side view which shows the shelf receiving bracket and drop-off prevention member of the support device, and (B) is a rear view. (A) is the expansion perspective view which looked at the principal part of the support apparatus of the locked state from the front side, (B) is the expansion perspective view which looked from the back side. (A) is a side view which shows the principal part of the support apparatus in an unlocked state, (B) is a side view which shows the principal part of the support apparatus in a locked state. FIG. 6A is a side view further enlarging and showing a part in a circle of FIG. 5A, and FIG. 5B is a side view showing a part in a circle of FIG.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the pair of left and right support devices 1 has a shelf board S (support target) that is high on a wall of a building, a wall board such as furniture, a panel, etc. (hereinafter collectively referred to as a wall). It is for installation to be adjustable. Each support device 1 includes a column 10 (support), a shelf bracket 20 (hanging member) that is detachably attached to the column 10, and a drop-off prevention member 30 that is rotatably supported by the shelf bracket 20. It has.

The support column 10 is made of metal and has a base 11 and a pair of legs 12 and has a U-shaped cross section. The support column 10 is fixed to the wall by placing a pair of leg portions 12 against the wall and screwing a wood screw (not shown) toward the wall from a fixing hole 13 formed in the base portion 11 spaced apart from the wall. .
In the base 11 of the support column 10, a plurality of left and right hanging holes 15 are formed at equal intervals in the vertical direction. The hanging hole 15 has a slit shape extending vertically.

  As shown in FIG. 3, the shelf bracket 20 is formed by punching a single metal plate into a predetermined shape and bending it, and its main part 20 </ b> A has an elongated upper plate part 21 and both left and right sides of the upper plate part 21. A pair of side plate portions 22 that extend downward from the edge at right angles to the upper plate portion 21 are provided.

The side plate portion 22 of the shelf bracket 20 is wide on the column 10 side (large in the vertical direction) and gradually decreases in width toward the tip. An edge of the side plate portion 22 on the support column 10 side is provided as an abutting edge 23 that performs an action described later. The contact edge 23 extends in a straight line in the vertical direction.
In the present embodiment, the angle formed by the upper plate portion 21 and the contact edge 23 is slightly larger than 90 °, so that the upper plate portion 21 is attached to the column 10 in a state where the shelf bracket 20 is mounted on the column 10 as will be described later. It is inclined gently so that it goes down.

In the pair of side plate portions 22, a plurality of, for example, three plate-shaped hook portions 24 protruding from the contact edge 23 toward the support column 10 are formed at equal intervals in the vertical direction. The hook portion 24 is integrated with the side plate portion 22 and is disposed on the extended plane.
The distance between the pair of left and right hook portions 24 is equal to the distance between the pair of left and right hook holes 15 of the column 10. The vertical interval between the hook portions 24 is equal to the vertical interval between the hooks 15 of the support column 10.

The hook portion 24 has a downward-facing saddle shape, and has a head portion 24a and a neck portion 24b connecting the head portion 24a and the side plate portion 22. The head portion 24a protrudes downward from the neck portion 24b. An engagement groove 25 is formed between the portion 24 a and the contact edge 23.
The vertical dimension (vertical dimension) of the head 24 a is slightly smaller than the vertical dimension of the hanging hole 15 of the support column 10. The vertical dimension of the neck portion 24 b is smaller than the vertical dimension of the hanging hole 15.

  As shown in FIG. 3, the drop-off prevention member 30 is rotatably supported at the lower part of the vicinity of the column 10 in the main portion 20 </ b> A of the shelf bracket 20. The drop-off prevention member 30 is made of an injection molded product of resin such as PP, and has an operation portion 31, a pair of attachment piece portions 32 (attachment portions) protruding upward from the operation portion 31, and the operation portion 31 toward the column 10. And a pair of vertically long insertion protrusions 33 projecting in the direction.

The pair of attachment piece portions 32 of the drop-off prevention member 30 are inserted between the pair of side plate portions 22 and supported by the side plate portions 22 via shafts 34. The shaft 34 extends horizontally in the left-right direction perpendicular to the column 10. Thereby, the drop-off prevention member 30 can be rotated so that the insertion protrusion 33 approaches and separates from the support column 10.
The pair of insertion protrusions 33 of the drop-off prevention member 30 can be inserted into the pair of hooks 15 of the support column 10 and have a slightly smaller cross-sectional area than these hooks 15.

  The operation portion 31 of the drop-off prevention member 30 protrudes downward from the pair of side plate portions 22 of the shelf receiving bracket 20, and has a pair of left and right shoulder portions 31 a that are spaced apart from the lower ends of the pair of side plate portions 22. Yes.

  The operation unit 31 further includes a finger hooking portion 31b that is continuous with the shoulder portion 31a. As shown in FIG. 3B, the finger hooking portion 31b has a U-shape, and is formed along the left and right side edges and the lower edge of the operation portion 31.

  As shown in FIGS. 3, 5, and 6, first engagement protrusions 39 are formed on the upper surfaces of the left and right shoulder portions 31 a of the operation portion 31, and the second lower end of the left and right side plate portions 22 is second. An engagement protrusion 29 is formed. The first engagement protrusion 39 and the second engagement protrusion 29 are rounded so that the column 10 side and the opposite side of the column 10 have a gentle inclination.

  The second engagement protrusion 29 is on the rotation locus of the first engagement protrusion 39 and prevents the first engagement protrusion 39 from rotating. However, the first engagement protrusion 39 can get over the second engagement protrusion 29 with elastic deformation of the drop-off prevention member 30 by turning the drop-off prevention member 30 with a predetermined turning force or more. .

  The operation of the support device 1 having the above configuration will be described. When the shelf plate S is installed at a desired height, the shelf support bracket 20 is attached to the pair of support columns 10 so that the upper plate portion 21 of the shelf support bracket 20 is positioned at the desired height. More specifically, the shelf bracket 20 is moved toward the column 10, and the three pairs of hook portions 24 are passed through the three pairs of hooks 15 of the column 10. Thereafter, by moving the shelf bracket 20 downward, the neck portion 24b of the hook portion 24 of the shelf bracket 20 hits the lower end of the hook hole 15, and the contact edge 23 hits the surface on the front side of the base portion 11 of the column 10, The lower end of the hook 15 enters the engagement groove 25. In this way, the hook portion 24 is hung on the hanging hole 15, and the shelf bracket 20 is attached to the column 10.

  In the step of attaching the shelf bracket 20 to the column 10, the drop-off prevention member 30 is in a retracted position away from the column 10 as shown in FIGS. 1, 5 (A), and 6 (A). The retracted position of the drop-off prevention member 30 is maintained when the first engagement protrusion 39 hits the second engagement protrusion 29 on the side opposite to the support column 10.

  When the shelf bracket 20 is attached to the column 10, a gap is formed between the neck 24 b of the hook portion 24 and the upper end of the hook 15 of the column 10, and the shelf bracket 20 can be lifted. ing. When the shelf bracket 20 is lifted, the hook portion 24 may come off from the hook hole 15, and the shelf bracket 20 may fall off the support column 10. This state is referred to as a non-locked state of the shelf bracket 20.

  After the shelf bracket 20 is attached to the column 10, the operation portion 31 of the drop-off prevention member 30 is pushed toward the column 10. Then, the drop-off prevention member 30 rotates toward the support column 10, and the pair of insertion protrusions 33 are inserted into the pair of hook holes 15. The pair of hooking holes 15 are located immediately below the lowermost hooking hole 15 engaged with the hook portion 24, and serve as insertion holes in the claims.

  Even if a lifting force acts on the shelf bracket 20 in a state where the insertion convex portion 33 is inserted into the hooking hole 15, the upper edge of the insertion convex portion 33 is engaged with the upper end of the hooking hole 15. The lifting of the shelf bracket 20 is limited. For this reason, the hook portion 24 is not detached from the hooking hole 15, and the shelves 20 are prevented from falling off the support column 10. Hereinafter, this state is referred to as a locked state of the shelf bracket 20.

  When the drop-off prevention member 30 is pushed toward the support column 10, the first engagement protrusion 39 gets over the first engagement protrusion 29 and reaches the support 10 side of the first engagement protrusion 29. For this reason, the drop-off prevention member 30 is prohibited from rotating in a direction away from the support column 10, the state where the insertion protrusion 33 is engaged with the hook 15, and the lock state of the shelf bracket 20 is maintained. Is done.

  The shelf board S is placed on the pair of shelf receiving brackets 20 attached to the pair of support columns 10 as described above. The shelf plate S may be fixed to the upper plate portion 21 of the shelf receiving bracket 20. In addition, you may make it attach a pair of shelf receiving bracket 20 which fixed the shelf board S to the pair of support | pillar 10 previously.

  When removing the shelf bracket 20 from the column 10, a finger is placed on the finger hooking collar 31 b of the operation portion 31 of the drop-off prevention member 30 and pulled toward the front. As a result, the drop-off prevention member 30 rotates away from the support column 10, and the insertion protrusion 33 comes out of the hook hole 15. In the process of this rotation, the first engagement protrusion 39 gets over the second engagement protrusion 29 and reaches the side opposite to the support 10 of the second engagement protrusion 29. Next, when the shelf bracket 20 is lifted and moved away from the column 10, the hook portion 24 comes out of the hook 15.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
In the above embodiment, the main part of the hanging member is constituted by the upper plate part and the pair of side plate parts, but it may be constituted by only one side plate part. In this case, the support target is placed on the upper edge of the side plate portion. The hook portions are formed one above the other at intervals, and the hook holes are also formed one above the other at intervals. Moreover, the insertion convex part of a drop-off prevention member is also one.

  In the above embodiment, one of the hanging holes arranged at intervals in the vertical direction also serves as an insertion hole for the insertion convex portion of the drop-off preventing member, but the insertion hole is formed separately from the hanging hole. Also good. When it is not necessary to adjust the height of the object to be supported, only one or a pair of left and right holes may be provided.

  The hook portion of the hanging member may be hung on the common hole and the insertion convex portion of the drop-off preventing member may be inserted. This hole serves as both a hook hole and an insertion hole.

The support may be a stand-alone support, a cabinet, a wall, or a panel in addition to the support fixed to the wall as in the above embodiment.
In the above embodiment, the main part of the hanging member carries the support target, but the main part and the support target may be fixed or may be integrated.

  The present invention is applicable to a shelf support device and the like.

S shelf (supported)
1 Supporting device 10 Prop (support)
15 Hanging hole, insertion hole 20 Shelf bracket (hanging member)
20A Main part 21 Upper plate part 22 Side plate part 24 Hook part 29 Second engagement protrusion 30 Fallout prevention member 31 Attachment piece (attachment part)
31a Shoulder part 32 Operation part 33 Insertion convex part 39 1st engagement protrusion

Claims (6)

(A) a support having a hook and an insertion hole;
(A) a hanging member having a main part that supports a support target, and a hook part that protrudes from the main part toward the support body and is hooked on the hanging hole;
(C) A drop-off prevention member that is rotatably supported by the main portion of the hanging member and has an insertion convex portion that protrudes toward the support,
With
With the rotation of the drop-off prevention member, the insertion convex portion is inserted into the insertion hole, so that the lifting of the hook member is prevented, and the insertion convex portion is detached from the insertion hole. In the supporting device that allows the lifting member to be lifted,
A first engagement protrusion is formed on the drop-off prevention member, and a second engagement protrusion is formed on the pivoting locus of the first engagement protrusion on the hanging member. The first engagement protrusion can get over the second engagement protrusion by applying rotational force, and the first engagement protrusion is locked on the support side of the second engagement protrusion, so that the drop-off is performed. The support device is characterized in that rotation of the prevention member is prohibited and the insertion state of the insertion convex portion into the insertion hole is maintained.   The support device according to claim 1, wherein the support body and the hanging member are made of metal, and the drop-off prevention member is made of resin. The insertion hole is disposed below a hook hole on which the hook portion is hung.
The drop-off prevention member is pivotally supported on the lower part of the main part and protrudes downward from the main part,
The drop-off prevention member has a shoulder portion facing the lower end of the main portion, and the first engagement protrusion is formed on the upper surface of the shoulder portion.
The support device according to claim 1, wherein the second engagement protrusion is formed to protrude downward at a lower end of the main portion.   A plurality of the above-described hook holes are formed in the support body at intervals in the vertical direction, the hook portions are selectively hung on the plurality of hook holes, and the hook portions are positioned below the hook holes. The support device according to claim 3, wherein a hooking hole is provided as the insertion hole. The hanging holes are formed as a pair on the left and right, and the hanging holes forming the pair are formed at intervals in the vertical direction,
The main portion has an upper plate portion on which the support object is placed, and a pair of side plate portions protruding vertically from the left and right sides of the upper plate portion, and the hook portions protrude from the pair of side plate portions, respectively. Furthermore, the second engaging projections are respectively formed at the lower ends of the pair of side plate portions,
The drop-off prevention member has an attachment portion that is inserted between the lower portions of the pair of side plate portions and is rotatably supported, and an operation portion that protrudes downward from the attachment portion. Are formed on the left and right sides of the operation portion, and a pair of shoulder portions are formed opposite to the lower ends of the pair of side plate portions, and the first engagement protrusions are formed on the pair of shoulder portions, respectively. The support device according to claim 4, wherein the support device is formed.   The supporting object is a shelf board, the support body is composed of a support column extending in the vertical direction, the hanging member is composed of a shelf bracket, and the main part of the shelf bracket is formed in an elongated shape so that a part of the shelf board is formed. The support device according to claim 1, wherein the support device is placed.

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