JP4515938B2 - Prop and bracket connection device - Google Patents

Description

  The present invention relates to a connecting device for a column and a bracket, and more particularly to a connecting device for connecting a bracket to a column such as a display fixture or a partition panel.

  2. Description of the Related Art Conventionally, various structures for supporting a shelf board or a top board by connecting a base member to a side surface of a column such as a display fixture or a partition panel so as to be self-supporting or attaching a bracket are provided. For this purpose, a structure in which a plurality of engagement holes are formed in the vertical direction on the side surface of the support and a hook provided at the end of the bracket is fitted and locked to the engagement hole is generally used. Normally, the hook does not come off the engagement hole due to its own weight such as a shelf board or a top board placed on the bracket, but the bracket is forcibly moved up due to the clearance provided in the engagement hole. If you lift the front, it will come off easily. In particular, a structure such as a display fixture that has a structure in which a support is supported upright by a bracket serving as a base is required to have strength to maintain the connection regardless of the direction in which the bracket is applied to the support. .

  As this improvement measure, in Patent Document 1, a lower collar piece is formed at the lower part of the end of the base side plate, and an upper collar piece having an engaging part at the upper side is formed at the upper part, and the side surface of the column is vertically spaced at regular intervals. In addition to forming an engagement hole, a guide pin protruding from the hollow portion of the support column is received in a guide long hole provided in the U-shaped lock member, and the lock member is slidable up and down, and the lower edge of the lock member Discloses a connecting structure configured to engage with the upper collar piece. In order to attach the base side plate to the support column, the base side plate is inclined and the lower collar piece is inserted into the engagement hole of the support column, and then the upper side piece is inserted into the engagement hole with the base side plate in a horizontal state. The lock member in the hollow portion of the column is pushed upward by the contact of the upper hook piece, and the upper hook piece is completely inserted into the engagement hole, and at the same time, the lock member is released from the push-up and descends by its own weight. The base side plate is locked so that it cannot be removed. In order to remove the base side plate from the support column, a rod member is inserted into the small hole of the lock member from the outside of the support column and the lock member is slid upward.

However, in the connection structure described in Patent Document 1, the lower edge of the lock member is engaged with the upper flange piece by the self-weight of the lock member provided so as to be slidable vertically in the hollow portion of the column, and the upper flange piece is engaged with the engagement hole. Because it only prevents it from coming off, when a vibration with intense pitching or rolling occurs, such as an earthquake, the lock member suddenly moves up and the lock is released and the It is also possible that the base plate (bracket) comes off.
Japanese Patent No. 3105554

  Therefore, in view of the above-described situation, the present invention intends to solve the problem that the bracket can be easily and reliably coupled to the column in the coupling device for coupling the bracket to the column such as a display fixture or a partition panel. In addition, the present invention is to provide a column / bracket coupling device that can be easily separated and reconnected without the bracket being detached from the column even when severe vibration occurs in the coupled state.

  In order to solve the above-mentioned problem, the present invention provides a coupling device for a hollow column having at least one side surface and a pair of opposing surfaces continuous to the side surface, and a bracket coupled to the side surface of the column. The support column is formed with a plurality of engagement holes in the vertical direction at appropriate positions on the side surface, and the fastening member can be moved up and down in the vertically elongated holes formed in the opposing surfaces in the vicinity of the upper engagement hole and cannot be moved by fastening. A downward hook that fits and locks into the lower engagement hole protrudes from the lower end of the bracket, and a locking piece that fits into the upper engagement hole protrudes from the upper end of the bracket. In addition, with the end portion of the bracket joined to the side surface of the support column, a connecting device for the support column and the bracket is formed by forming an engagement recess for engaging the fastening member from above in the locking piece. (Claim 1).

  Here, it is preferable that the vertical dimension of the base end portion of the downward hook is set so as to closely fit into the lower engagement hole.

  The fastening member includes a pair of female screw members and a male screw member, and the female screw member includes a head that cannot pass through the vertically long hole and a cylindrical female screw that fits in a lower portion of the vertically long hole. The male screw member has a head that cannot pass through the vertically long hole and a male screw that is screwed into the female screw (Claim 3).

  In addition, it is preferable that the vertically long hole has a hole width wider at the upper part than at the lower part (claim 4).

  Further, an intermediate engagement hole is formed on the side surface of the support column between the lower engagement hole and the upper engagement hole, and a projecting piece that fits closely to the intermediate engagement hole is formed at the end of the bracket. It is also preferable (claim 5).

  In the column / bracket coupling device according to the first aspect of the present invention, the downward hook at the lower end of the bracket is connected to the lower engagement hole on the side surface of the column in an inclined state with the front side of the bracket lowered. After the fitting is loosened, the fastening member is loosened and retracted to the upper part of the vertically long hole, and the bracket is raised substantially horizontally with the hook locked to the lower engaging hole as a fulcrum, thereby providing the locking provided at the upper part of the end part. A piece is inserted into the upper engagement hole, and then the fastening member is lowered and fitted into the lower part of the vertically long hole, and at the same time, the piece is fastened in an engaged state with the engagement concave portion of the locking piece and cannot be moved upward. By doing so, the bracket can be easily and surely connected to the support column, and even if vibration due to an earthquake or the like occurs, the fastening member is not fastened and moved upward, so that the bracket is not detached from the support column. IsHere, in the state where the bracket is connected to the support column, the lower hook of the lower part is fitted and locked to the lower engagement hole with the end portion of the bracket being in contact with the side surface of the support column, and the upper locking piece is Since the engagement recess is engaged with the fastening member while being fitted into the upper engagement hole, it is possible to reliably limit the vertical change of the bracket with respect to the column, and even if unexpected force is applied to the bracket etc. It will not come off. Also, when removing the bracket from the support column, loosen the fastening member and move it above the vertically long hole, remove the fastening member from the engagement recess of the locking piece, and push down the front side of the bracket to engage the downward hook. Just remove it from the hole.

  According to claim 2, since the vertical dimension of the base end portion of the downward hook is set so as to be closely fitted in the lower engagement hole, the hook is fitted and locked in the lower engagement hole. Then, the vertical movement of the bracket with respect to the support can be reliably controlled.

  According to the third aspect, the cylindrical female screw of the female screw member and the male screw of the male screw member are inserted from the outside into each of the vertically long holes formed in the opposing surface of the support column, By screwing the male screws together, the heads of each other can be clamped with the opposing surfaces of the struts sandwiched, making it impossible to move up and down within the vertically long hole, and if you loosen it can move up and down is there. Further, the fastening, loosening, and up / down movement operations of the fastening member can be easily performed by the female screw member exposed to the outside of the support column and the head of the male screw member. And since the cylindrical female screw of a fastening member is engaged with the engagement recessed part of the locking piece of a bracket, there is no trouble in fastening operation.

  According to the fourth aspect of the present invention, since the vertical hole has a wider hole width at the upper part than the lower part, when the fastening member is located at the lower part of the vertical hole, the fastening member can be prevented from rattling, that is, the engagement. The movement in the direction in which the stop piece is inserted into and removed from the engagement hole can be restricted, and when the fastening member is moved upward, there is a clearance between the longitudinally long hole and it is easy.

  According to the fifth aspect, when the support column is connected to the bracket, the protruding piece of the bracket is closely fitted in the intermediate engagement hole of the support column. Therefore, the vertical movement of the bracket with respect to the support column is more reliably restricted, and the connection with high strength is achieved. The state can be realized.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. FIG. 1 shows a commodity display shelf showing a typical embodiment to which a connecting device for a support and a bracket according to the present invention is applied. FIGS. 2 to 6 show details of the main part of the present invention. Reference numeral 2 denotes a bracket, 3 denotes a lower connecting rod, 4 denotes an upper connecting rod, 5 denotes a panel, 6 denotes a base front plate, 7 denotes a shelf receiving bracket, and 8 denotes a shelf plate.

  As shown in FIGS. 1 and 2, the product display shelf of the present embodiment connects the brackets 2 at a substantially right angle to the front side or the front and rear sides of the lower ends of the support columns 1 and 1 arranged in an upright state at intervals. In addition, a lower connecting rod 3 is connected between the lower ends of both supports 1, 1, and an upper connecting rod 4 is connected between the upper ends of both supports 1, 1 to form a self-supporting frame structure, A panel 5 is mounted between the support columns 1 and 1 and between the lower connection rod 3 and the upper connection rod 4, and a base front plate 6 is provided between the ends of the brackets 2 and 2. A plurality of shelf support brackets 7,... Are vertically attached to the front side or the front and rear sides, and a shelf plate 8 is placed on the brackets 2, 2 and the lower connecting rod 3, and the shelf support brackets 7, 7 on the left and right sides are mounted. Each of the shelf boards 8 is placed.

  Here, the brackets 2 and 2, the lower connecting rod 3, the base front plate 6 and the shelf plate 8 placed thereon constitute a base stand of a product display shelf, and the support columns 1 and 1 are raised. It has a role to hold in. The product display shelf described above has the shelf brackets 7,... And the upper shelf plate 8 eliminated, and the panel 5 is a panel having a hanging function such as a mesh panel, and the product is suspended directly on the panel 5. It is also possible to display or hold a number of hanging bars on the panel 5 so as to protrude substantially at right angles, and display the products by hanging them on the hanging bar.

  Thus, the bracket that holds the support column 1 in an upright state, is stable with respect to vibration and external force from the side, and is required to have a high support strength, and is particularly connected to the lower end portion of the support column 1 at a substantially right angle. The structure of the connecting part with 2 is important not only for the merchandise display shelf. As will be apparent from the following description and the contents shown in the drawings, the present invention is not only applied to the connecting portion between the column and the bracket used for the merchandise display shelf, but also a stabilizing member that helps the partition panel to stand on its own. It can be similarly applied to a connection part between a support column or a vertical frame, a connection part between a bracket supporting a tabletop and a support panel or a vertical frame of a partition panel, and further to a connection part of two general members. It can be applied.

  As shown in FIGS. 2 to 6, the column / bracket coupling device of the present invention includes a hollow column 1 having at least one side surface 9 and a pair of opposing surfaces 10, 10 continuous to the side surface 9, and the column. A plurality of engagement holes 11,... Are formed in appropriate positions on the side surface 9 in the vertical direction, and in the vicinity of the upper engagement hole 11A. A fastening member 13 is vertically penetrated through the vertically long holes 12 and 12 formed in the opposing surfaces 10 and 10 so as not to be movable by fastening, and the lower engagement hole is formed at the lower portion of the end portion 14 of the bracket 2. A downward hook 15 that fits and locks to 11B protrudes, a locking piece 16 that fits into the upper engagement hole 11A protrudes from the top, and an end 14 of the bracket 2 on the side surface 9 of the column 1 further. In the joined state, the fastening piece 16 is Member 13 is made by forming an engaging recess 17 for engaging from above.

  More specifically, the support column 1 is a long member having a substantially rectangular cross section made of steel and having a substantially rectangular cross section. The short side surface in the cross section is the side surface 9 and the long side surface is the opposing surface 10. , 10 and engaging grooves 18 and 18 are formed in the central portion of the facing surface 10 in the width direction so as to fit the side edges of the panel 5. The intermediate engagement hole 11C and the lower engagement hole 11B are formed, the lower end portion of the opposing surface 10 is formed with a connection hole 19 for connecting the lower connection rod 3, and further on the upper portion of the side surface 9. Are formed with a plurality of locking holes 20,... For fitting and locking the shelf brackets 7,. Here, the vertically long hole 12 is formed in the vicinity of the upper engaging hole 11A in the upper part of the connecting hole 19 formed in the facing surface 10, and is an oval having a wider hole width in the upper part than in the lower part. When the brackets 2 and 2 are connected to both front and rear sides of the support column 1, the support column 1 is symmetrical with respect to the engagement groove 18. Although not shown, a connection hole similar to the connection hole 19 in order to connect the upper connection rod 4 to the upper end portion of the opposing surface 10 of the column 1 is formed, or simply for screwing. A hole is formed. In this embodiment, the upper and lower openings of the support column 1 are closed by the blocking plates 21 and 21, and in particular, the casters 22 are attached to the closing plate 21 at the lower end.

  In addition, the bracket 2 is a long member having a substantially rectangular cross section with a hollow inside made of steel, and the long side surface is oriented vertically in the cross section so that it partially protrudes from the end portion 14 of the main body 23. A connecting plate 25 made of a thick plate having a downward hook 15, a locking piece 16, and a protruding piece 24 formed between them is fixed inside the main body portion 23 in an inserted state. More specifically, the downward hook 15 gradually increases in width dimension perpendicular to the thickness direction from the distal end to the base end portion, and the vertical dimension of the base end portion is set so as to closely fit into the lower engagement hole 11B. is doing.

  Here, the downward hook 15 is fitted and locked in the lower engagement hole 11B, but the upper edge of the upright piece 21A of the closing plate 21 fixed to the lower end of the column 1 is connected to the engagement hole 11B. By matching with the lower hole edge, the downward hook 15 can be locked to the upper edge of the upright piece 21A of the closing plate 21, so that the support strength is further increased. Further, an oblique notch 26 is formed from the lower end of the base end portion of the downward hook 15 to the lower surface of the main body portion 23 of the bracket 2, and the downward hook 15 is attached to the bottom of the column 1 in an inclined state with the front side of the bracket 2 lowered. The escape during the operation of fitting into the side engagement hole 11B is made. The locking piece 16 is welded in a state of extending slightly upward from the upper end of the connecting plate 25 and being fitted in a slit 27 formed on the upper surface of the main body 23. The protruding piece 24 is formed between the downward hook 15 and the locking piece 16, and is formed on the side surface 9 of the support column 1 between the lower engaging hole 11B and the upper engaging hole 11A. A substantially semicircular shape in side view that fits closely into the intermediate engagement hole 11C.

  2 to 6, the fastening member 13 includes a pair of female screw members 28 and a male screw member 29, and the female screw member 28 has a head portion 28 </ b> A that cannot pass through the vertically long hole 12. And a cylindrical female screw 28B fitted to the lower portion of the vertically long hole 12, and the male screw member 29 is a male screw that is screwed into the female screw 28B and the head 29A that cannot pass through the vertically long hole 12. 29B. The female screw member 28 is inserted with a female screw 28B and the male screw member 29 is inserted with a male screw 29B into each of the vertically elongated holes 12 of the opposing surfaces 10 and 10 of the column 1; And a cylindrical sleeve 30 having an outer diameter substantially the same as that of the female screw 28B is inserted into the male screw 29B between the tip of the female screw 28B and the head 29A of the male screw member 29. ing.

  In order to connect the bracket 2 to the column 1 using the column 1, the bracket 2, and the fastening member 13 configured as described above, first, in the inclined state with the front side of the bracket 2 lowered, After the downward hook 15 is fitted into the lower engagement hole 11B of the side surface 9 of the support 1, the hook 15 is engaged with the lower engagement hole 11B while the fastening member 13 is loosened and retracted to the upper part of the vertically long hole 12. The bracket 2 is raised substantially horizontally with the fulcrum as a fulcrum, so that the locking piece 16 provided on the upper portion of the end portion 14 is fitted into the upper engaging hole 11A, and the protruding piece 24 is fitted into the intermediate engaging hole 11C. The fastening member 13 is lowered and fitted into the lower portion of the vertically long hole 12 and, at the same time, fastened in a state where it is engaged with the engaging recess 17 of the locking piece 16 so that it cannot move upward. Further, in order to separate the bracket 2 from the support column 1, the fastening member 13 is loosened and raised and retracted to the upper part of the vertically long hole 12, and in this state, the locking piece 16 and The protruding piece 24 may be extracted from the upper engaging hole 11A and the intermediate engaging hole 11C, and finally the downward hook 15 may be extracted from the lower engaging hole 11B. At this time, if the fastening member 13 is left inserted in the vertically long holes 12 and 12 of the column 1, the operation of connecting the bracket 2 thereafter is easy.

  Further, as shown in FIG. 2, end plates 31 are fixed to the front end surfaces of the brackets 2, 2, and both end portions of the base front plate 6 are inserted into the stop holes 32, 32 formed in the end plates 31. The hooks 33, 33 projecting from the back are fitted and locked, and the base front plate 6 is mounted between the front ends of the brackets 2, 2.

  Further, as shown in FIGS. 2 and 4 to 6, the lower connecting rod 3 includes a downward hook 35 that fits and locks into the connecting holes 19 of the support column 1 to a connecting portion 34 fixed to an end portion. ... and an engagement groove 36 for fitting the lower edge of the panel 5 is formed on the upper surface at the center in the width direction, and the rear edge of the shelf board 8 is fitted parallel to the front and rear edges. Support grooves 37 and 37 are formed. Note that the end of the lower connecting rod 3 is used for fitting and locking the downward hooks 35 to the connecting holes 19 even when the heads 28A and 29A of the fastening member 13 protrude from the facing surface 10. It is retreated so that there is no hindrance.

  Further, a actor 38 is provided on the lower surface of the front end of the bracket 2. Other structures are conventionally known structures. Note that the same holds true even when the connecting structure of the support column 1 and the bracket 2 is turned upside down. However, when the fastening member 13 is loosened, the fastening member 13 is engaged with the engaging recess 17 of the locking piece 16. In order to maintain the combined state, as shown in the present embodiment, a structure in which the fastening member 13 is lowered and engaged with the engagement recess 17 is preferable.

It is the whole merchandise display shelf perspective view which shows typical embodiment to which the connection device of the support and bracket of the present invention is applied. It is a disassembled perspective view of the principal part of this invention. It is a partial side view for demonstrating the procedure which connects a bracket to a support | pillar. It is a partial side view which shows the connection state of a support | pillar and a bracket. Similarly it is a partial longitudinal sectional front view. It is a partial cross section top view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support | pillar 2 Bracket 3 Lower connection rod 4 Upper connection rod 5 Panel 6 Base front plate 7 Shelf receiving bracket 8 Shelf plate 9 Side surface 10 Opposing surface 11A Upper engagement hole 11B Lower engagement hole 11C Intermediate engagement hole 12 Longitudinal hole 13 Fastening member 14 End 15 Hook 16 Locking piece 17 Engaging recess 18 Engaging groove 19 Connecting hole 20 Locking hole 21 Closing plate 21A Standing piece 22 Caster 23 Main body 24 Projection piece 25 Connecting plate 26 Notch 27 Slit 28 Female screw member 28A Head portion 28B Female screw 29 Male screw member 29A Head portion 29B Male screw 30 Sleeve 31 End face plate 32 Stop hole 33 Hook 34 Connecting portion 35 Downward hook 36 Engaging groove 37 Support groove 38 Cactor

Claims (5)

  A connecting device of a hollow support column having at least one side surface and a pair of opposing surfaces continuous to the side surface and a bracket connected to the side surface of the support column, wherein the support column has a vertical position at an appropriate position on the side surface. A plurality of engagement holes are formed, and a fastening member is vertically penetrated in a vertically long hole formed in the opposing surfaces in the vicinity of the upper engagement hole and is immovably penetrated by fastening. A downward hook that fits and locks into the lower engagement hole at the lower portion, a locking piece that fits into the upper engagement hole at the upper portion, and a bracket end on the side surface of the column. In the state which joined the part, the engagement recessed part which engages the said fastening member from the upper direction is formed in the said locking piece, The connection apparatus of the support | pillar and bracket characterized by the above-mentioned.   The strut / bracket coupling device according to claim 1, wherein a vertical dimension of a base end portion of the downward hook is set so as to closely fit in the lower engagement hole.   The fastening member includes a pair of female screw members and a male screw member, and the female screw member has a head that cannot pass through the vertically long hole and a cylindrical female screw that fits in a lower portion of the vertically long hole. The strut / bracket coupling device according to claim 1, wherein the male screw member has a head that cannot pass through the vertically long hole and a male screw that is screwed into the female screw.   The column and bracket connection device according to any one of claims 1 to 3, wherein the vertically long hole has a hole width wider at the top than at the bottom. An intermediate engagement hole is formed between the lower engagement hole and the upper engagement hole on the side surface of the support column, and a projecting piece that fits closely to the intermediate engagement hole is formed at the end of the bracket. The support | pillar and bracket coupling device in any one of Claims 1-4.

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