JPH10167075A - Rack member connecting structure of builtup rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily mount and remove the rack members of a builtup rack in which the rack members are inserted between four poles from between the poles and mounted in place. SOLUTION: A first locking part 31 located at the deep side of a rack member 20 is inserted into a first mounting hole 14 in a rear pole 10a, and a second locking part 41 located at the front side of the rack member 20 is inserted into a second mounting hole 16 in a front pole 10b to mount the rack member 20 on four poles 10a, 10b. The first locking part 31 is provided with a notched part 32 providing an engagement allowance for permitting positioning of the second front locking part 41 in the second mounting hole 16 with the deep side of the rack member 20 supported on the rear pole 10a and for permitting its removal. The second mounting hole 16 in the front pole 10b is a forward- pointed hole into which the second locking part 41 can be inserted from in front.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises four pillars and a shelf member which is inserted into and removed from the four pillars between two opposed pillars of the pillars. A first mounting portion having a first mounting hole for a rear support between each of a pair of left and right rear supports positioned on the inner side of the assembly shelf of the support and a shelf member; A first engaging portion for detachably attaching the shelf member to the rear column by a first locking portion on the side of the detachable shelf member; and a pair of left and right front columns located on the assembly shelf labor side of the column. , Between the shelf member and the second
An assembly shelf provided with a front engagement mechanism for detachably attaching a shelf member to a front support by a second attachment portion having an attachment hole, and a second locking portion on a shelf member side that can be inserted and removed into the second attachment hole. And a shelf member connecting structure.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 21, in the above-mentioned assembled shelf, an engaging portion 31 on the rear side of a shelf member 20 and an attaching portion of a rear support 10a to which the engaging portion 31 is attached are attached. 21A, the back side of the shelf member 20 is attached to the rear support 10a as shown in FIG.
As shown in FIG. 1, there is a type in which the front side can be attached to the front support 10b. In other words, when attaching or detaching the shelf member, the whole shelf member is moved back and forth while supporting the back side of the shelf member on the rear support, or the support point by the rear support on the front side is pivoted. It can be lifted and lowered so that the locking part on the near side can be aligned with the mounting part of the front support and can be removed, or can be removed from the mounting part of the front support, and the back side and the front side of the shelf member Compared to attaching and removing from the support at once,
The mounting work and the removal work can be performed while the shelf member is easily supported.

[0003]

In the case of the above-mentioned conventional shelf member mounting technique, as shown in FIG.
The mounting hole 16 provided to attach the front side of the shelf member 20 to the front side is a rearward-facing hole so that the locking portion 41 of the shelf member 20 is inserted from the rear side of the front support 10b. For this reason, when the front side of the shelf member is attached to or detached from the mounting portion of the front support, the mounting hole is difficult to see, and the locking portion of the shelf member is difficult to match with the mounting hole of the support column and is inserted. For example, it is difficult to attach the shelf member to the front support or to remove the shelf member from the front support. SUMMARY OF THE INVENTION An object of the present invention is to make it possible to easily and quickly assemble and remove a shelf member from a support surface and a detachable surface with respect to a front column.

[0004]

According to a first aspect of the present invention, there is provided a shelf member mounting structure for an assembled shelf, wherein the back side of the shelf member is supported by a pair of left and right rear supports. In this state, the shelf member moves in the front-rear direction with respect to the front support and the rear support, and the second locking portion moves up and down with respect to the second mounting portion with the support point of the rear support as the swing center. A pair of right and left rear engagement mechanisms are provided in the pair of left and right rear engagement mechanisms, and the front side of the shelf member meshes with the second mounting portion as the front side of the shelf member is attached to the front column by the front engagement mechanism. A pair of left and right second locking portions is provided with a first positioning portion that suppresses longitudinal movement with respect to the rear support.
The mounting hole is formed in the forward facing hole so that the second locking portion is inserted from the front side of the front support.

In other words, when assembling the shelf member, even if the first locking portion of the shelf member is attached to the first mounting portion and the back side of the shelf member is supported by the rear support, the engagement is flexible. For this purpose, the entire shelf member is moved back and forth, or the front side is moved up and down, so that the second locking portion on the front side is mounted on the second mounting portion of the front support. At this time, since the second mounting hole is a forward facing hole, the second locking portion of the shelf member or the second mounting hole of the front support is easily viewed from the front side of the front support, and the second locking portion is in the second position. It can be easily and quickly positioned and inserted into the mounting hole. Then, when the front side is attached to the front support, regardless of the presence of the engagement flexibility, the first positioning portion suppresses the longitudinal movement so that the shelf member does not move back and forth or even if it moves slightly without any trouble. It can be used. In addition, when the shelf member is removed, even if the first locking portion of the shelf member is attached to the first attachment portion and the rear side of the shelf member is supported by the rear support, the engagement and flexibility function allows The front side can be removed from the front support by raising the front side from the second mounting portion of the front support or moving the entire shelf member back and forth. At this time, since the second mounting hole is a forward facing hole, the second locking portion of the shelf member or the second mounting hole of the front support is easily viewed from the front side of the front support, and the second locking portion is in the second position. It can be easily and quickly extracted from the mounting hole.

[0006] Thus, the shelf member can be easily supported simply by supporting the rear side of the shelf member on the rear support and supporting only the front side, and easily seeing the second locking portion and the second mounting hole. Thus, the front side of the shelf member can be easily and quickly positioned and disengaged from the front support, so that the assembling work and the disassembling work can be performed easily and efficiently.

According to the second aspect of the present invention, the first
Since the mounting hole is formed in a forward facing hole so that the first locking portion is inserted from the front side of the rear support, the first locking portion of the shelf member and the first mounting hole of the rear support are rearwardly mounted. When easily viewed from the front side of the column, the first locking portion can be easily and quickly aligned with and inserted into the first mounting hole, and can be easily and quickly removed from the first mounting hole. It is possible to easily and quickly assemble and disassemble not only from the supporting surface and the attaching / detaching surface with respect to the front column but also from the attaching / detaching surface with respect to the rear column.

According to the third aspect of the present invention, the first
An engagement surface for engagement between the positioning portion and the second attachment portion is formed on an inclined surface on which engagement and reduction decreases as engagement between the first positioning portion and the second attachment portion increases, and Is provided on the shelf member with a second positioning portion that meshes with the fixing portion on the column side as it meshes with the second mounting portion and suppresses lateral movement of the shelf member with respect to the front column and the rear column. A meshing surface for meshing with the fixing portion is formed as an inclined surface in which the meshing flexibility decreases as the meshing between the second positioning portion and the fixing portion becomes deeper. That is, as the shelf member is attached to the four columns, the first positioning portion
The rack member meshes with the mounting portion and is fixed by cam action due to the inclined shape of the meshing surfaces of both, so that the shelf member can be fixed so as not to move back and forth with respect to the front support and the rear support, and the second positioning portion meshes with the fixing portion. At the same time, the shelves can be fixed so as not to move laterally with respect to the front and rear struts by the cam action due to the inclined shape of the mating surfaces of the two, and the shelf members can be easily and easily mounted from the support surface and the detachable surface with respect to the struts. What can be quickly assembled can be in a state where it can be firmly assembled without rattling in the front-back direction or the lateral direction.

According to the fourth aspect of the present invention, the rear support has a plurality of the first mounting portions, and the front support has the second mounting portion.
A plurality of connecting portions are provided in a state where the plurality of connecting portions are arranged in the up and down direction of the support, and the back side of the shelf member is mounted on any one of the first mounting portions of the rear support, and the front support positioned at a different level from the first mounting portion Since the engagement flexibility allows the front side of the shelf member to be mounted on any one of the second mounting portions, the mounting level of the shelf member with respect to the front column is equal to the mounting level with respect to the rear column. Other than making it the same,
By lowering or raising the mounting level to the rear support column, the mounting position of the shelf member can be set to the front downward position or the front upward position, and the shelf member can be assembled easily and efficiently. It can be obtained in a state where it can be placed so that it can be easily viewed from.

According to the invention described in claim 5, the rear support has a plurality of the first mounting portions, and the front support has the second mounting portion.
A plurality of attachment portions are provided in a state where the plurality of attachment portions are arranged in the up and down direction of the column, and the plurality of first attachment portions of the rear column are associated with the first locking portions of the shelf member arranged on both lateral sides of the rear column. And the second plurality of second
The mounting portion is configured such that the second locking portions of the shelf members arranged on both lateral sides of the front column are engaged with each other, so that the two assembly shelves arranged side by side in the assembly shelf lateral direction are spaced apart from each other. The shelf member is configured to be supported between the columns.

In other words, for example, when storing or transporting flowers, the shelf members are assembled into a large number of shelves supported by columns and arranged in nectar at a shelf interval corresponding to the flower height, to constitute a shelf. A large number of flowers can be assembled and placed on shelves and stored in a narrow space, or can be transported efficiently with a small number of transports.When displaying flowers, the shelves should be shorter than the flower length. Construct an assembled shelf on a small number of shelves supported by pillars arranged side by side with a wide spacing between shelves, and assemble shelves removed from the assembled shelves and supporting them across the pillars of the assembled shelves arranged side by side in the shelf at intervals. Many flowers can be distributed inside and outside the assembled shelves and placed on the shelves so that they can be displayed at a wide and easy-to-see shelf interval. And cut into the appropriate form for each It can be advantageously or exhibited or accommodating a large number of articles in place.

According to the sixth aspect of the present invention, the front reinforcing rod of the shelf member is formed as a separate component from the shelf member main body, and the front reinforcing rod is provided on the front end side of the shelf member main body along the width direction of the shelf member main body. At the same time, the second locking portion is provided at the end of the front reinforcing rod, and the rear reinforcing rod of the shelf member is formed as a separate component from the shelf member main body, and is formed on the rear end side of the shelf member main body. The shelf member body is connected along the width direction of the shelf member body, and the first locking portion is provided at the end of the rear reinforcing rod. For example, the shelf member body is made of a synthetic resin plate. Along with the front reinforcing rod and the rear reinforcing rod are made of metal, the whole shelf member can be placed without trouble and can be lightweight while having the strength to be firmly attached to the support,
It can be easily handled and transported during assembly and disassembly.

According to the present invention, when the shelf members are stacked, the first locking portion and the second locking portion of the upper shelf member and the lower shelf member are connected. Are provided on the first locking portion and the second locking portion to prevent the shelf member from shifting in the mounting surface direction when the shelf member comes into contact. By suppressing displacement by the parts, they can be safely stacked and stored compactly so as not to be easily collapsed, and can be obtained inexpensively and compactly by effectively utilizing the first and second locking parts to prevent collapse.

According to the eighth aspect of the present invention, since there is provided a bogie on which the front support and the rear support are removably erected, it is necessary to move the front support and the rear support to the outside of the store or to return the store to the inside. It can be easily moved by hand pushing or the like, and can be stored compactly by separating it into a trolley and a support when unnecessary.

According to the ninth aspect of the present invention, the front strut and the rear strut are detachably connected to each other, and the strut connecting portion projecting upward from the vehicle body frame, and the bogie connecting portion projecting downward from the vehicle body frame. When the bogies are stacked, the bogie connecting portion of the upper bogie and the strut connecting portion of the lower bogie are connected to form a wheel storage space between the body frames when the bogies are stacked. When the shelves are not needed, the truck with the support columns removed can be connected to the bogie connection part and the support connection part, so that the wheels can enter between the body frame and the bogie stage It can be stacked safely without compaction and can be stored compactly. And obtained compact.

According to the tenth aspect of the present invention, the upright vertical slit into which the first locking portion can be freely inserted and removed is provided on the rear column in a state where the slit is displaced from the first mounting portion in the column circumferential direction. And the rear support post is configured to be replaceable with the support post connecting portion between a mounting position in which the first mounting hole is directed forward and a mounting position in which the slit is directed forward, and the second locking portion is inserted and removed. A vertically extending slit which freely enters the front support in a state where the slit is displaced from the second mounting portion in the circumferential direction of the support, and the mounting posture in which the second support hole is oriented forward with the front support; It is configured so that it can be replaced with the post connecting part in the mounting position where it faces forward, so when the shelf is unnecessary, the column is set in the mounting position where the slit is facing forward. Mounted on carriage Te, can be stacked as first locking portion and the second locking portion of the shelf member which enters the slit of the post on the carriage. That is,
A pillar for stacking a shelf member on a trolley in a compact manner so that the trolley can be easily transported by using the trolley, and a pillar for locking the pillar to a first locking portion or a second locking portion to prevent collapse of the shelf member. And can be transported safely.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, pillars 10a and 10b are erected at four corners of a bogie 1 and a plurality of shelf members 20 which are positioned above the bogie 1 in a plurality of upper and lower stages. So that various articles can be placed and stored or displayed, such as growing potted flowers or cut flowers, and displaying them, for example, and
The movable shelf is configured so that the transport can be easily performed by the four wheels 2 of the carriage 1. This moving shelf is a cart 1
And four pillars 10a and 10b and a plurality of shelf members 20
It is constructed on an assembling shelf so that it can be disassembled or assembled in the completed state shown in FIG. 1. More specifically, it is constructed as follows.

As shown in FIGS. 1 and 13, a pair of front and rear metal main frames 3, 3 and a metal frame connecting both ends of the main frames 3, 3 at both ends of the main frame 3 are provided. A body frame 6 is formed by the connection frame 4 and the wheel mounting members 5, and a synthetic resin plate 7 for mounting articles is mounted on the upper surface of the body frame 6. The bogie 1 is constituted by supporting the wheels 2 on the lower surface side of the front end side and the rear end side, and attaching a vertical pipe member 8 of a vehicle body for connecting a pillar and connecting a bogie at four corners of a body frame 6. I have. That is, an article mounting surface is formed by the upper surface of the plate 7, and articles for storage and display are stored on the shelf member 20.
It can be placed in the same way as above. The pipe members 8 at the four corners form a column connecting portion whose upper end protrudes upward from the body frame 6, and the column 10a, 10
b can be attached.

As clearly shown in FIG. 2, the four columns 1
Each of 0a and 10b is provided with four side surfaces 11a to 11d and four side surfaces 11a to 11d by bending a sheet metal so as to have a C-shaped cross section.
11d, a rectangular support body having a slit 12 extending over the entire length of the support body on the first side surface 11a is formed, and the slit 12 is formed on the inner peripheral surface between the lower end and the upper end of the support body.
Is formed by welding a reinforcing sheet metal 13 that closes the plate. Then, a pair of left and right rear supports 10a, 10a positioned on the inner side of the assembly shelf among the four supports 10a, 10b.
In the case of, the second side surface 1 adjacent to both sides of the first side surface 11a among the four side surfaces 11a to 11d of the square support body is provided.
A plurality of first mounting portions 15 each having a first mounting hole 14 formed of a downwardly tapered through hole in the first side 1b and the fourth side surface 11d;
It is provided side by side in the vertical direction of the rear support 10a. In the case of a pair of left and right front supports 10b, 10b located on the front side of the assembly shelf among the four supports 10a, 10b, the first side surface 1 of the four side surfaces 11a to 11d of the rectangular support body is used.
The second side surface 11b and the fourth side surface 11d adjacent to both sides of 1a
A second mounting hole 16 formed of a downwardly tapered through hole having the same shape and size as the first mounting hole 14 of the rear support 10a.
And a plurality of second mounting portions 17 having the same arrangement level and arrangement pitch as those of the first mounting portion 15 of the rear support 10a.

Each of the rear support 10a and the front support 10b is inserted into the support connecting portion 8 of the carriage 1 through the support insertion / removal opening 8a at the upper end of the support 1 so as to form one of the four corners of the carriage 1. And can be removed from the carriage 1 by pulling it out of the column connecting portion 8. By pulling up and rotating both the rear column 10a and the front column 10b with respect to the column connecting portion 8, the first column shown in FIGS. 1 and 11 can be replaced with the second column shown in FIG. When the rear support 10a and the front support 10b are in the first mounting posture, the slits 12 are directed to the lateral outside of the bogie 1 and the mounting holes 14, 16 are forward-facing holes facing the front side of the bogie 1. 20 and the second mounting position, the slit 12
Is directed to the front side of the cart 1 so that the shelf members 20 can be stacked.

As shown in FIGS. 3 and 4, each of the plurality of shelf members 20 has a plurality of internal spaces 22 opened on both front and rear ends of a resin plate 21.
1. A shelf member main body is formed by a synthetic resin plate 21 molded so as to be arranged in the left-right direction, and the front and rear ends of the shelf member main body 21 extend along the width direction of the shelf member main body 21. In addition, the sheet metal reinforcing rods 23 and 24 which also serve as side walls of the article stopper are rivet-connected, and are provided on both lateral end sides of the shelf member body 21 in the front-rear direction of the shelf member body 21 and also serve as side walls of the article stopper. Reinforcing rod 25
Are formed by rivet connection. A hook-type first hook is provided at both ends of the rear reinforcing rod 23 located on the rear end side of the shelf member main body 21 among the reinforcing rods 23, 24, 25.
The first connection fitting 30 having the locking portion 31 is welded, and a hook-shaped second reinforcement rod 24 is attached to both ends of the reinforcement rods 23, 24, 25 located on the front end side of the shelf member main body 21.
The second connection fitting 40 having the locking portion 41 is welded.

The shelf member 20 is separated into the left rear support column 10a by the first locking portion 31 located on the left end side on the back side of the shelf member 20 and the first mounting portion 15 of the left rear support column 10a. A first engaging portion 31 that constitutes a rear engagement mechanism 50 that is freely attached, and is located on the right end side on the back side of the shelf member 20;
By the first mounting portion 15 of the right rear support 10a,
A rear engagement mechanism 50 is configured to detachably attach the shelf member 20 to the right rear support 10a. That is, FIG.
As shown in FIGS. 6A and 6B and FIG. 6, in each of the left and right rear engagement mechanisms 50, the first locking portion 31 is inserted into the first mounting hole 14 from the front side of the rear support 10a, The rear support portion forming the first mounting portion 15 is lowered so as to enter the cutout portion 32 opening downward of the first locking portion 31, and the shelf member of the left and right inner wall surfaces of the first mounting hole 14 is provided. The first locking portion 31 and the first mounting portion 15 are engaged with each other when they are received and supported by the inner wall surface 14a which is located on the inner wall surface 14a and is inclined away from the shelf member toward the lower end side. The coupling mechanism 50 attaches the shelf member 20 to the rear support 10a. Then, the first locking portion 31 is connected to the first mounting hole 14.
From the front of the rear support 10a from the
The engagement between the locking portion 31 and the first mounting portion 15 can be released, and the shelf member 20 can be removed from the rear support 10a.

The shelf member 20 is connected to the left front column 10b by the second locking portion 41 located on the front left side of the shelf member 20 and the second mounting portion 17 of the left front column 10b.
And a second engaging portion 41 which is located on the right end side on the near side of the shelf member 20.
And the second mounting portion 17 of the right front support 10b constitute a front engagement mechanism 51 for detachably mounting the shelf member 20 to the right front support 10b. That is, FIG.
As shown in FIGS. 8A and 8B and FIG. 8, in either of the left and right front engagement mechanisms 51, the second locking portion 41 is inserted into the second mounting hole 16 from the front side of the front support 10b. The front support portion forming the second mounting portion 17 is lowered so as to enter the cutout portion 42 that opens downward of the second locking portion 41, and the shelf member of the left and right inner wall surfaces of the second mounting hole 16 is formed. When it is received and supported by the inner wall surface 16a which is located on the inner side and is inclined away from the shelf member toward the lower end side, the second locking portion 41 and the second mounting portion 17 are engaged, and The coupling mechanism 51 attaches the shelf member 20 to the front support 10b. Then, the second locking portion 41 is connected to the second mounting hole 16.
By pulling out from the front support 10b forward,
The engagement between the locking portion 41 and the second mounting portion 17 can be released, and the shelf member 20 can be removed from the front support 10b.

The width of the notch 32 in the left and right first locking portions 31 in the front-rear direction of the shelf member is set to the first mounting portion while the first locking portion 31 is received and supported by the inner wall surface 14a. It is formed wide so as to be able to move back and forth with respect to 15 and to rotate up and down. As a result, the left and right rear engagement mechanisms 50 are provided with an engagement accommodating portion formed by the cutout portion 32.
Allows the shelf member 20 to be operated as shown in FIG. 9 or to be mounted as shown in FIG. That is, the left side of the shelf member 20 is located on the left and right first locking portions 3.
The entire shelf member 20 is moved back and forth with respect to the pair of left and right front supports 10b and rear supports 10a while being supported by the first mounting portions 15 of the left and right rear supports 10a, 10a via the first and the first support 31. In addition, the left and right second locking portions 41 and 4 are set with the point supported by the rear support 10a as the swing center.
1 is moved up and down with respect to the second mounting portion 17.
It is also permissible to perform the up / down operation on the front side of 0. Also, the first mounting portion 1 of the rear support 10a to which the back side of the
In addition to attaching the near side of the shelf member 20 to the second attachment portion 17 of the front column 10b located at the same arrangement level as the first column 5, the first attachment portion 1 of the rear column 10a to which the back side of the shelf member 20 is attached.
Front strut 10b located at an arrangement level one step higher than 5
The front side of the shelf member 20 is attached to the second attachment portion 17 of the first or the first column 10a of the rear support 10a to which the back side of the shelf member 20 is attached.
The front side of the shelf member 20 is allowed to be mounted on the second mounting portion 17 of the front support column 10b located at an arrangement level one step lower than the mounting portion 15.

As shown in FIGS. 4 and 7, in each of the left and right second locking portions 41, the notch portion 42 of the second connecting fitting 40 forming the second locking portion 41 is provided.
A metal fitting portion 44a forming a rear inner wall surface 43a;
The first positioning portion 44 for suppressing the forward and backward movement of the shelf member 20 with respect to the front support 10b and the rear support 10a is formed by the metal fitting portion 44b forming the front inner wall surface 43b of the notch 42, and 1 positioning section 44
Is configured to operate naturally as the front side of the shelf member 20 is attached to the front support 10b by the front engagement mechanism 51. That is, when the second locking portion 41 is inserted into the second mounting hole 16 and the front engagement mechanism 51 mounts the shelf member 20 on the front support 10b, the front support portion forming the second mounting portion 17 is cut off. By entering the notch 42, the first positioning portion 44 naturally meshes with the second mounting portion 17 with the rear inner wall surface 43a and the front inner wall surface 43b as meshing surfaces. Then, due to this engagement, the second
The relative movement of the locking portion 41 and the front support 10b in the front-rear direction is suppressed, and the movement of the shelf member 20 in the front-rear direction with respect to the front support 10b and the rear support 10a is suppressed.

The first positioning part 44 and the second mounting part 1
The rear-side meshing surface 43a of the meshing surfaces 43a and 43b for meshing with the upper surface 7 is formed as an inclined surface in which the distance from the front meshing surface 43b becomes smaller toward the upper end side. As a result, as the shelf member 20 descends with respect to the front support 10b and the engagement between the first positioning portion 44 and the second mounting portion 17 becomes deeper, the cam members due to the inclination of the engagement surface 43a cause the two members 44, 17 to move. And the shelf member 20 is fixed so that the shelf member 20 does not rattle with respect to the front support 10b in the front-rear direction.

As shown in FIGS. 4 and 6, in each of the left and right first connection fittings 30, a fitting portion 33a forming the base end side of the first locking portion 31, and this fitting portion 33
a, and the metal part 33b connected to the rear reinforcing rod 23 allows the rear side of the
a shelf member 20 so as to suppress lateral movement with respect to
And a second positioning portion 33 provided on the rear side of the first positioning portion 4.
4 is configured to operate naturally as it meshes with the second mounting portion 17. That is, as the shelf member 20 descends with respect to the rear support 10a and the front support 10b and the first positioning portion 45 meshes with the second mounting portion 17, the fitting portion 33a moves the inside of the first mounting hole 14 into the fitting portion. 33b
Are lowered from the rear support 10a on the inside of the shelf, respectively, so that both metal fittings 33a and 33b sandwich the fixing portion 18 formed by the rear support positioned on the side of the first mounting hole 14. Thus, the second positioning portion 33 naturally meshes with the fixing portion 18 with the inner wall surface 14a as the meshing surface. Then, due to this meshing, the relative movement of the first locking portion 31 and the rear support 10a in the horizontal direction is suppressed, and the lateral movement of the back side of the shelf member 20 with respect to the rear support 10a is suppressed. You.

As shown in FIGS. 4 and 8, in each of the left and right second connection fittings 40, a fitting portion 45a forming the base end side of the second locking portion 41, and this fitting portion 45
a, and the front side of the shelf member 20 is connected to the front support column 1 by the metal fitting portion 45b connected to the front reinforcing rod 24.
0b so as to suppress lateral movement.
The second positioning portion 45 provided on the front side of the second mounting portion 17 is formed, and the second positioning portion 45 is configured to act naturally as the first positioning portion 44 meshes with the second mounting portion 17. That is, as the shelf member 20 descends with respect to the rear support 10a and the front support 10b, and the first positioning portion 45 engages with the second mounting portion 17, the fitting portion 45a moves inside the second mounting hole 16 and the fitting portion. 45
b moves down the inner side of the assembling shelf relative to the front support 10b, so that both metal fittings 45a and 45b sandwich the fixing portion 19 formed of the front support located on the side of the second mounting hole 16. Accordingly, the second positioning portion 45 naturally meshes with the fixing portion 19 with the inner wall surface 16a as the meshing surface. Then
For this engagement, the second locking portion 41 and the front support 10b
Relative movement in the horizontal direction is suppressed, and the shelf
Is prevented from moving laterally with respect to the front support 10b.

The rear second positioning portion 33 and the fixed portion 1
8 for meshing with each other, and
The meshing surface 16a for meshing the front second positioning portion 45 and the fixed portion 19 is formed on an inclined surface where the distance between the third side surface 11c of the columns 10a and 10b increases toward the lower end. is there. Accordingly, as the shelf member 20 descends with respect to the front support 10b and the rear support 10a and the engagement between the second positioning portions 33, 45 and the fixing portions 18, 19 becomes deeper, the cam due to the inclination of the engagement surfaces 14a, 16a. Due to the function, the meshing flexibility of the two 33 and 18, 45 and 19 is reduced, and the shelf member 20 is fixed so as not to rattle in the lateral direction with respect to the rear column 10a and the front column 10b.

That is, to assemble the shelves, as shown in FIG. 1 and FIG.
The first mounting hole 10b is erected in the first mounting position, and the first mounting hole 14 is positioned on the front side of the rear support 10a, and the second mounting hole 16 is positioned on the front side of the front support 10b. And FIG.
As shown in (a), the shelf member 20 is connected to the front supports 10b, 10b.
9b, between the four pillars 10a and 10b, and as shown in FIG. 9B, the entire shelf member 20 is further moved to the back side, and the left and right first locking portions on the back side. 31,3
1 is a first mounting hole 14 of one of the first mounting portions 15 selected from the plurality of first mounting portions 15 of the rear support 10a.
And the rear side is attached and supported by the rear engagement mechanism 50 on the left and right rear supports 10a, 10a. Next, the shelf member 2
The front side of the front support 10b is supported by the hand while supporting the front side by hand while supporting the back side of the front support 10 by the left and right rear supports 10a, 10a.
The rack member 20 is pivoted up and down with respect to the mounting portion 17, and the entirety of the shelf member 20 is moved to the rear side so that the left and right second
The locking portion 41 is connected to the plurality of second mounting portions 17 of the front support 10b.
Is aligned with the second mounting hole 16 of one of the second mounting portions 17 selected from the above. When this positioning is completed, as shown in FIG. 9C, the entire shelf member 20 is further assembled and moved to the rear side of the shelf, and the left and right second locking portions 41,
41 is inserted into the second mounting hole 16 and the front side of the shelf member 20 is attached to the left and right front supports 10b by the front engagement mechanisms 51, 51, so that the shelf member 20 is connected to the four supports 10a,
Attached over 10b.

At this time, the second mounting portion 17 of the front support 10b to which the front side of the shelf member 20 is mounted is the second mounting portion located at the same arrangement level as the first mounting portion 15 of the rear support 10a to which the rear side is mounted. When 17 is selected, FIG.
The shelf member 20 can be set in a horizontal or close mounting position as shown in FIG. Further, as the second mounting portion 17 of the front support 10b to which the front side of the shelf member 20 is mounted, the second mounting portion 17 located at a higher arrangement level than the first mounting portion 15 of the rear support 10a to which the rear side is mounted is selected. Then, as shown by the dashed line in FIG. 10, the shelf member 20 can be set to the mounting posture of the front rising inclination, and the second mounting portion 17 located at a lower placement level than the first mounting portion 15 of the rear support 10 a to which the rear side is mounted. Is selected, the shelf member 20 can be set to the mounting posture inclined downward and forward as shown by the dashed line in FIG.

Regardless of whether the shelf member 20 is mounted horizontally, upward or downward, the right and left first positioning portions 44 and 51 are engaged with the left and right front engagement mechanisms 51 and 51. 44 naturally meshes with the second mounting portion 17 to fix the shelf member 20 so as not to move back and forth with respect to the rear support 10a and the front support 10b, and the left and right second positioning portions 33 on the rear side support the rear support 10a. The rear side of the shelf member 20 is fixed to the rear column 10a so as not to move laterally by meshing with the fixing portion 18, and the left and right second positioning portions 45 on the near side also naturally mesh with the fixing portion 19 of the front column 10b. 20 is fixed to the front support 10b so as not to move laterally. Thereby, the shelf member 20 is connected to the four pillars 10.
a, 10b.

When disassembling the assembled shelf, as shown in FIG. 9B, the rear side of the shelf member 20 is
0a, the front side of the shelf member 20 is supported by hand while being supported by the first mounting portion 15, and the front side of the front column 1 is set with the support point of the left and right rear columns 10a as the swing center.
0b, the shelf member 20 is assembled with respect to the front support 10b and the rear support 10a, and moved to the front of the shelf, so that the first positioning portion 44 engages with the second mounting portion 17. And release the engagement of the front post 10b with the fixing portion 19 of the front second positioning portion 45 and pull out the left and right second locking portions 41 from the second mounting hole 16 to the front side of the front post 10b, The front side of the shelf member 20 is removed from the left and right front supports 10b. Next, as shown in FIG. 9A, the whole of the shelf member 20 is pulled toward the near side to operate the first locking portions 31 on the left and right on the back side.
Is pulled out from the first mounting hole 14 of the rear support 10a to the front side of the rear support 10a, and the fixing to the rear support 10a by the second positioning portion 33 on the rear side and the mounting to the rear support 10a by the rear engagement mechanism 50 are released. By doing so, the shelf member 20 can be removed from the four columns 10a and 10b. Further, the shelf member 20 can be taken out of the assembled shelf by pulling out the shelf member from between the front supports 10b, 10b toward the front of the assembled shelf.

At this time, as shown in FIG. 12, the four columns 10a and 10b are changed from the first mounting posture to the second mounting posture. Then, FIG. 12 (a), (b)
As shown in the figure, the shelf member 20 removed from the columns 10a, 10b is placed on the carriage 1 so that the locking portions 31, 41 located at the four corners of the rack members 20 enter the corresponding slits 12 of the columns 10a, 10b. You can put on. Thereby, the plurality of shelf members 20 removed from the columns 10a and 10b are stacked on the carriage 1, and the columns 10a and 10b
Is locked to the first locking portion 31 or the second locking portion 41 to
It can be stored compactly with the trolley 1 while using the trolley 1 as a supporting column for preventing the collapse of the zero, and the trolley 1 can be easily transported by using the trolley 1 as a carrier.

As clearly shown in FIG. 14, in each of the shelf members 20, the lower surface of the base end portion of the left and right first locking portions 31 is directed to the lateral outside of the shelf member 20 and the lower end side is higher than the upper end side. The contact portion 31 of the inclined posture located inside the member 20
a, on the upper surface side, the contact portions 31b each having an inclined posture that faces the inside of the shelf member 20 and whose upper end side is located outside the shelf member 20 from the lower end side.
The lower surface of the base end portion 1 has a contact portion 41a in a tilted posture facing the lateral outside of the shelf member 20 and the lower end side is located inside the shelf member 20 from the upper end side, and the shelf member 20 on the upper surface side.
And the upper end side is closer to the shelf member 20 than the lower end side.
When the shelf members 20 are stacked so that the article placement surface 21a formed by the upper surface of the shelf member body 21 faces upward, the upper shelf is provided. The first locking portions 31 between the member 20 and the lower shelf member 20 are connected to each other by the contact portions 31a and 31b.
And the second locking portions 41 of the upper shelf member 20 and the lower shelf member 20 contact each other by the contact portions 41a and 41b, and the shelf member 20 contacts the article placement surface 21a. It is configured so as to be prevented from shifting in the left-right direction in the direction along. Further, as shown in FIG. 15, the shelf members 20 stacked in this manner are
1a, an end of the rivet 26 connecting the front reinforcing rod 23 and the rear reinforcing rod 24 to the shelf member main body 21 and projecting toward the back side of the shelf member, The rods 23 and 24 are configured to protrude upward from the article mounting surface 21a to abut against a portion forming a side wall, thereby preventing the shelf member 20 from moving further. Thus, the shelf member 20 removed from the columns 10a, 10b is secured so as not to be easily collapsed by using the first locking portion 31, the second locking portion 41, the rivet 26, and the reinforcing rods 23, 24 as a prevention device. And can be stored compactly.

As clearly shown in FIG. 13, the lower end portions 8b of the pipe members 8 at the four corners of the bogie 1 form a bogie connecting portion projecting downward from the body frame 6, and the bogies 1 are stacked. In this case, the tapered lower end portion 8c of the bogie connecting portion 8b of the upper bogie 1 enters the support outlet 8a of the post connecting portion 8 of the lower bogie 1 so that the bogie connecting portion 8b of the upper and lower bogies 1 The upper bogie 1 is connected between the upper and lower body frames 6 by connecting with the support connecting portion 8.
Is formed so as to form a space for accommodating the wheels 2. Thus, the bogie 1 with the columns 10a and 10b removed can use the column connecting portion 8 as a spacer means for forming a wheel storage space so that the wheels 2 do not hinder the stacking of the bogies. 6 and can be safely stacked and compactly stored.

[Another Embodiment] FIG. 16 shows an assembled state of an assembly shelf provided with another embodiment structure. In the case of this assembled shelf, the structure of the columns 10a and 10b and the shelf member 20 and the structure for attaching the shelf member 20 to the columns 10a and 10b have the same structure as the above-described assembled shelf. It has a different structure from shelves. That is, the pillars 10b are erected at the four corners of the trolley 1, and the two stanchions 10a, 10a are erected in the middle part of the trolley 1 in the front-rear direction in the front-rear direction. is there. In other words, two shelves 20 are arranged in the front-rear direction of the carriage 1 so as to be assembled. Then, the two shelf members 20 and 2 arranged in the longitudinal direction of the cart
0, the shelf member 20 located on the front side of the cart is the cart 1
The left and right columns 10b, 10b located on the front end side of the vehicle 1 are used as front columns, and the left and right columns 1 located at the intermediate portion of the bogie 1 in the front-rear direction.
0a, 10a are attached to these columns as rear columns 10a, and two shelf members 20,
The shelf member 20 located on the rear side of the trolley 20 has left and right columns 10b, 10b located on the rear end side of the trolley 1 as front columns, and left and right columns 10a, 10a is attached to these columns as the rear column 10a. In addition, in the case of this assembled shelf, the rear support 10a for attaching the rear side of the two shelf members 20, 20 arranged in the front-rear direction of the cart.
As shown in FIG. 16, one of the two shelf members 20, 20 is mounted on the front side and the other is mounted on the rear side. May be employed by arranging them in the front-rear direction and adopting a column to which the two shelf members 20, 20 are separately attached.

FIG. 17 shows an assembly shelf provided with still another embodiment structure. That is, the truck 1 is composed of a pair of left and right main frames 3, 3 provided with the wheels 2, a connecting frame 4 for connecting one end sides of both main frames 3, 3, and a bogie plate 7 attached to the connecting frame 4. It is composed. The left front support 10b and the rear support 10a stand on one main frame 3, and the right front support 10b and the rear support 10a stand on the other main frame 3. The two main frames 3, 3 are rotatably connected to the connecting frame 4, and the left and right rear supports 10a, 10a are connected to a vertical frame portion 9a of a supporting frame 9 standing upright on the connecting frame 4.
The bogie plate 7 is connected to the connecting frame 4 so as to be able to move up and down freely. In other words, the main frames 3 and 3 are pulled out from the connecting frame 4 so as to extend forward, and the cart plate 7 is placed on the main frames 3 and 3 so as to fall down on the main frames 3 and 3 so that it can be used as an article mounting table. At the same time, the four pillars 10a and 10b are arranged so as to be erected near the four corners of the bogie plate 7, and the shelf member 20 is mounted over these pillars 10a and 10b, whereby an assembled state can be achieved. Then, the shelf member 20 is removed from the four columns 10a, 10b, and the bogie plate 7 is erected toward the support frame 9 and the main frames 3, 3 are rotated toward the connection frame 4 to move the front column 10b. By moving it toward the support frame 9, the trolley 1
And the columns 10a and 10b can be folded and stored.

FIG. 18 shows a front support 10 having another embodiment.
b and the rear strut 10a are shown. That is, the rear support 10a
The first mounting holes 14 of each of the plurality of first mounting portions 15 arranged in the vertical direction of the support column are formed in lower narrow holes as shown in FIG. That is, as shown in FIG. 19 (b), the back side of the shelf member 20 is assembled to the rear support 10a and positioned inside the shelf, and the first locking portions 31 located on the back side are provided with a plurality of first mounting portions. One first mounting part 15 selected from the part 15
The first locking portion 31 is inserted into the first mounting hole 14 so that the pair of horizontal inner wall surfaces 14a,
14b, the rear side of the shelf member 20 is attached to the rear support post 10a so as to be received and supported by one of the horizontal inner wall surfaces 14a, and the first locking as shown in FIG. By pulling out the portion 31 from the first mounting hole 14, the first locking portion 31 is detached from the first mounting portion 15 so that the back side of the shelf member 20 can be removed from the rear support 10a.
Further, the rear side of the shelf member 20 is located on the lateral outside of the shelf with respect to the rear support 10a, and the first locking portion 31 located on the rear side is selected from a plurality of first mounting portions 15. By inserting the first locking portion 31 into the first mounting hole 14 of the first mounting portion 15, the first locking portion 31 becomes the other of the pair of horizontal inner wall surfaces 14 a and 14 b of the first mounting hole 14.
So that the back side of the shelf member 20 can be attached to the rear support 10a and the first locking portion 31 is pulled out from the first mounting hole 14 to the front side of the rear support 10a. As a result, the first locking portion 31 is
The pair of horizontal inner wall surfaces 14a and 14b of the first mounting hole 14 are positioned closer to the center in the column width direction so as to reach the lower end of the column so that the inner side of the shelf member 20 can be detached from the back column 10a and detached from the rear column 10a. It is formed on the inclined wall surface.

The second mounting holes 16 of each of the plurality of second mounting portions 17 arranged in the up and down direction of the front column 10b are shown in FIG.
The hole is formed in a lower narrow hole as shown in FIG. That is, FIG.
As shown in FIG. 9B, the front side of the shelf member 20 is
And the second locking portion 41 located on the near side is inserted into the second mounting hole 16 of one of the second mounting portions 17 selected from the plurality of second mounting portions 17. As a result, the second locking portion 41 is engaged with one of the pair of horizontal inner wall surfaces 16a and 16b of the second mounting hole 16 so as to be received and supported by the second locking portion 41, and the front side of the shelf member 20 is engaged. So that can be attached to the front support 10b,
Further, as shown in FIG. 19B, by pulling out the second locking portion 41 from the second mounting hole 16, the second locking portion 41 is separated from the second mounting portion 16 and the front side of the shelf member 20 is moved. Further, the shelf member 20 is detachable from the front support 10b.
Is located on the lateral outer side of the assembling shelf with respect to the front support 10b, and the second locking portion 41 located on the near side is selected from a plurality of second mounting portions 17 in one second mounting portion 1.
7 by inserting the second mounting hole 16 into the second mounting hole 16.
The locking portion 41 is formed of a pair of horizontal inner wall surfaces 16 of the second mounting hole 16.
a, 16b, so that the front side of the shelf member 20 is engaged with the other horizontal inner wall surface 16b so as to be received and supported.
0b, and by pulling out the second locking portion 41 from the second mounting hole 16 to the front side of the front support 10b, the second locking portion 41 is detached from the second mounting portion 17 and the shelf is removed. The pair of lateral inner wall surfaces 16 of the second mounting hole 16 are so arranged that the front side of the member 20 can be removed from the front support 10b.
a and 16b are formed on the inclined wall surface which is located closer to the center in the lateral direction of the column as it reaches the lower end of the column.

In other words, when storing or transporting a placed article such as a potted flower, as shown in FIG. 20A, the plurality of shelf members 20 are equivalent to the article height such as flower height. A shelf is constructed by assembling a large number of shelves supported by four pillars 10a and 10b arranged side by side with honey at intervals between the shelves, and a number of articles are assembled and placed on the shelves and stored in a narrow space for the number. For example, it is possible to carry efficiently with a small number of times. Then, when exhibiting an article such as displaying flowers, as shown in FIG. 20 (b), a part of the shelf members 20 attached to the assembled shelf at the time of storing or transporting the article is removed, and the remaining shelf member 20 is removed. A plurality of shelf members 20 are arranged at shelf intervals wider than the height of the article, such as flower height, and four pillars 10a, 10b are arranged.
Constitutes an assembling shelf on a few shelves supported by the shelf. And
The assembled shelves having the small number of shelves are assembled in the lateral direction at intervals so that the shelf members 20 can be inserted between the shelves. On the right side of the front support 10b and the rear support 10a, and the other front support 10b and the rear support 10 on the left side of the assembly shelf of the decimal shelf.
a, so that the articles can be displayed at a wide and easy-to-see shelf interval. In these cases, each shelf member is also provided by the action of the engagement accommodation 32 similar to the engagement accommodation 32 shown in FIG. 4 and the effect that the first attachment hole 14 and the second attachment hole 16 are forward-facing holes. 20 can be easily attached to and detached from the columns 10a and 10b. Also,
Each shelf member 20 is operated by the action of the second positioning portion 33 on the rear side, the first positioning portion 44 and the second positioning portions 33 and 45 similar to the first and second positioning portions 44 and 45 on the front side shown in FIG. Can be fixed to the columns 10a and 10b.

As described above, in addition to the case where the four columns 10a and 10b are attached to the cart 1 to make the assembly shelf movable, one of the plurality of shelf members 20 is used for the columns 10a and 10b.
The present invention can also be applied to a case where the assembling shelf is fixedly mounted by being attached to the base at the lower end of the base 10b.

[Brief description of the drawings]

FIG. 1 is a perspective view of an assembled shelf completed state.

FIG. 2 is a perspective view of a column.

FIG. 3 is a plan view of the shelf member in a partially cut-away state.

FIG. 4 is a perspective view of a shelf member mounting structure.

FIG. 5 is an explanatory diagram showing an operation state of a rear engagement mechanism.

FIG. 6 is a cross-sectional view of the operation state of the rear engagement mechanism.

FIG. 7 is an explanatory diagram showing an operation state of the front engagement mechanism.

FIG. 8 is a cross-sectional view of the operation state of the front engagement mechanism.

FIG. 9 is an explanatory view of a shelf member attaching / detaching procedure.

FIG. 10 is an explanatory diagram of a shelf member mounting posture.

FIG. 11 is a plan view of a shelf member mounted state.

FIG. 12 is an explanatory diagram of a shelf member stored state.

FIG. 13 is an explanatory view of a state in which carts are stacked.

FIG. 14 is an explanatory diagram of a stacked state of shelf members.

FIG. 15 is a cross-sectional view in a stacked state of shelf members.

FIG. 16 is a plan view of an assembly shelf provided with another embodiment structure.

FIG. 17 is a perspective view of an assembly shelf provided with another embodiment structure.

FIG. 18 is a perspective view of a front strut and a rear strut provided with another embodiment structure.

FIG. 19 is an explanatory diagram of a connecting structure of shelf members of an assembled shelf having another embodiment structure;

FIG. 20 is an explanatory view showing a procedure for using an assembly shelf having another embodiment structure;

FIG. 21 is an explanatory view of a conventional shelf member mounting technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cart 8 Column connection part 8b Truck connection part 10a Rear column 10b Front column 12 Slit 14 First mounting hole 14a, 16a Meshing surface 15 First mounting portion 16 Second mounting hole 17 Second mounting portion 20 Shelf member 21 Shelf member body 23 Rear reinforcing rod 24 Front reinforcing rod 31 First locking portion 31a, 31b Contact portion 32 Engagement flexibility 33, 44 Second positioning portion 41 Second locking portion 41a, 41b Contact portion 43a Meshing surface 50 Rear engagement mechanism 51 Front engagement mechanism

Claims (10)

[Claims] 1. A strut member, comprising: four struts; and a shelf member which is inserted into and out of the four struts through a space between two opposing struts of the struts. A first mounting portion having a first mounting hole for the rear support between each of a pair of left and right rear supports positioned on the inner side of the assembling shelf, and a shelf member side detachably insertable into the first mounting hole; And a first engagement portion for detachably attaching the shelf member to the rear support by the first locking portion, and a pair of left and right front supports positioned on the assembly shelf trouble side of the support and the shelf member. A second mounting portion having a second mounting hole of the front support, and a second engaging portion on the shelf member side which can be inserted into and removed from the second mounting hole, the front engagement for detachably mounting the shelf on the front support. A shelf member connecting structure of an assembly shelf provided with a mechanism, The shelf member moves in the front-rear direction with respect to the front support and the rear support in a state where the back side of the shelf member is supported by the pair of left and right rear supports, and the support point by the rear support is used as a swing center. The pair of left and right rear engagement mechanisms is provided with engagement flexibility that allows the second locking portion to move up and down with respect to the second attachment portion, and the front side of the shelf member is a front support by the front engagement mechanism. A first positioning portion that meshes with the second mounting portion as it is attached to the first mounting portion and that suppresses the longitudinal movement of the shelf member with respect to the front support and the rear support, in the pair of left and right second locking portions; A shelf member connecting structure for an assembled shelf, wherein a hole is formed in a forward-facing hole so that the second locking portion is inserted from a front side of a front support. 2. A shelf member connecting structure for an assembly shelf according to claim 1, wherein said first mounting hole is formed in a forward facing hole so that said first locking portion is inserted from the front side of a rear support. 3. An engaging surface for engaging the first positioning portion and the second mounting portion is formed by the first positioning portion and the second mounting portion.
As the engagement with the mounting portion becomes deeper, the inclined surface is formed so that the meshing flexibility is reduced, and the first positioning portion meshes with the fixing portion on the column side as the second positioning portion engages, and A second positioning portion for suppressing lateral movement with respect to the rear support is provided on the shelf member, and a meshing surface for meshing the second positioning portion and the fixing portion is provided.
The shelf member connecting structure for an assembly shelf according to claim 1 or 2, wherein the second positioning portion and the fixed portion are formed on an inclined surface such that as the meshing between the second positioning portion and the fixed portion becomes deeper, the meshing flexibility decreases. 4. The rear support is provided with a plurality of the first mounting portions, and the front support is provided with a plurality of the second mounting portions, each of which is arranged in a vertical direction of the support. The engagement flexibility allows the front side of the shelf member to be mounted on one of the first mounting portions, and to be mounted on any one of the second mounting portions of the front strut located at a different level from the first mounting portion. The shelf member connecting structure of an assembly shelf according to any one of claims 1 to 3, wherein the structure is configured as described above. 5. The rear support has a plurality of the first mounting portions, and the front support has a plurality of the second mounting portions arranged in the up and down direction of the support, respectively, and the plurality of first mountings of the rear support are provided. A part is configured such that the first locking portions of the shelf member arranged on both lateral sides of the rear support engage with each other;
The plurality of second mounting portions of the front support are configured such that the second locking portions of the shelf members arranged on both lateral sides of the front support engage with each other, and a gap is provided in the horizontal direction of the assembly shelf. The structure according to any one of claims 1 to 4, wherein the shelf member is supported over columns of two assembly shelves arranged in a row.
A shelf member connecting structure for an assembled shelf according to the above paragraph. 6. The front reinforcing rod of the shelf member is formed as a separate part from the shelf member main body, and is connected to the front end side of the shelf member main body along the lateral width direction of the shelf member main body. The shelf member is provided at an end of the front reinforcing rod, and the rear reinforcing rod of the shelf member is formed as a separate part from the shelf member main body, and is arranged along the width direction of the shelf member main body at the rear end side of the shelf member main body. The shelf member connecting structure of an assembly shelf according to any one of claims 1 to 5, wherein the first engaging portion is provided at an end of the rear reinforcing rod. 7. When the shelf members are stacked, the first locking portion and the second locking portion of the upper shelf member and the lower shelf member abut against each other, and the shelf member is placed. The shelf member connecting structure for an assembly shelf according to any one of claims 1 to 6, wherein a contact portion for suppressing a displacement movement in a plane direction is provided on the first locking portion and the second locking portion. 8. The shelf member connecting structure for an assembly shelf according to claim 1, further comprising a carriage on which the front support and the rear support are detachably mounted. 9. The bogie has a front strut and a rear strut removably connected to each other, a strut connecting portion protruding upward from a vehicle body frame, and a bogie connecting portion protruding downward from the vehicle body frame. When the vehicle is stacked, the bogie connecting portion of the upper bogie and the strut connecting portion of the lower bogie are connected to form a wheel storage space between the body frames. A shelf member connecting structure for an assembled shelf according to claim 8. 10. A rear strut is provided with a vertical upright slit into which the first locking portion is freely inserted and removed so as to be displaced from the first mounting portion in the circumferential direction of the strut.
The rear support is configured such that the rear support can be replaced with the support connecting portion between a mounting position in which the first mounting hole is directed forward and a mounting position in which the slit is directed forward, and the second locking portion is freely inserted and removed. The front support column is provided with a vertical slit in the support column in a state where the slit is displaced from the second mounting portion in the circumferential direction of the support column, and the mounting position is such that the front support column has the second mounting hole facing forward, and the slit is in the forward direction. 10. The shelf member connecting structure for an assembled shelf according to claim 8, wherein the supporting member connecting portion can be replaced with the supporting column connecting portion in a different mounting posture.