JPH0121902Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a trolley equipped with foldable shelves.

BACKGROUND ART AND PROBLEMS TO BE SOLVED Trucks equipped with shelf boards are conventionally well known, and the shelf boards can be of fixed type or removable type. Fixed shelves are inconvenient because the spacing between the shelves cannot be changed depending on the size of the items being placed on them, and removable shelves require a storage space for the removed shelves. In addition, there is a possibility that the removed shelf board may be lost.

Also, Utility Application No. 57-98156 (Utility Application No. 59-4367)
As described in There is only the top shelf board, and the middle and bottom shelves are fixed, so even if only the top shelf board can be accommodated vertically, this transport vehicle can be compactly assembled horizontally. , it is not possible to store a large number of transport vehicles in a small space.

Means and Effects for Solving the Problems The present invention relates to an improvement of a folding shelf type trolley that overcomes the above-mentioned difficulties, and includes a pair of left and right underframe depth sides oriented in the front and rear direction perpendicular to the frontage surface, and an underframe whose planar shape is formed in a Z-shape with an oblique side diagonally connecting the depth sides of the underframe and at least four casters; Four columns interconnected at the upper depth side parallel to the depth side of the underframe, a guide member attached to each column between the pair of front and rear columns, and a pair of front and rear columns to which the guide member is attached. a shelf attached to another pair of front and rear columns facing the column; a shelf board detachably locked to the shelf and slidably and rotatably attached to the guide member; Consisting of a bottom plate that is pivotably attached to one of the pair of left and right underframe depth sides so as to be rotatable along the frontage surface, and is removably locked to the other underframe depth side so that it can be stored in an upright position. It is characterized by the fact that

Since the present invention is constructed as described above,
Rotating the bottom plate to the frontage surface to make it horizontally inverted,
and by sliding the shelf board relative to the guide member and rotating it to lay it down horizontally,
The bottom plate is supported horizontally on the Z-shaped underframe, and the shelf board is supported horizontally on the guide member and shelf crosspiece, so that required articles can be stored.

Further, in the present invention, by performing the reverse procedure to the above-described procedure, the shelf board can be vertically erected along the pair of pillars and accommodated between the pair of pillars, and the bottom plate can also be placed between the pillars. It can be erected vertically along the With the shelves and bottom plate standing vertically like this,
The horizontal shape of the folding shelf type cart of the present invention is formed into a Z-shape, and it can be assembled with other folding shelf type carts in a form that fits together with other folding shelf type carts, so a large number of folding shelf type carts can be installed in a narrow space. Can be stored compactly.

Furthermore, in the folding shelf type trolley of the present invention, which is equipped with a plurality of shelves, the required shelves can be unfolded horizontally as needed, and other shelves can be accommodated vertically, so that the mutual spacing between the shelves can be adjusted. By changing the distance between the shelf board and the bottom board, items of various sizes can be stored.

Furthermore, in the folding shelf type trolley of the present invention,
Since unused shelf boards can be stored vertically along the pillars, there is no need to remove the shelf boards from the cart and store them elsewhere, and there is no risk of powder loss.

Embodiment Hereinafter, an embodiment of the present invention illustrated in FIGS. 1 to 7 will be described.

FIG. 1 shows a folding shelf type trolley 1. As shown in FIG. The underframe 2 of the trolley 1 is formed as a Z-shaped integral molded product with a pair of underframe depth sides 3A and 3B oriented in a direction perpendicular to the frontage surface. A caster 4 is attached to the part. Then, a boss 2 is placed on the underframe 2 corresponding to each caster 4.
a is erected, and a pipe material support 5 is provided for each boss 2a.
The bases of A, 5A, 5B, and 5B are tightly fitted.
A pair of support columns 5A and a pair of support columns 5B that stand upright on the underframe 2 are formed as U-shaped members that are integrated at upper depth sides 5a and 5b, respectively.

Moreover, in each middle part of the upper depth sides 5a and 5b,
Bosses 6 are erected, and both ends of a hanger pipe 7 provided with a humburst stopper 7a are tightly fitted into the pair of bosses 6.

Furthermore, channel-shaped shelf storage frames 8 and 9 are fixed to the upper surfaces of the underframe depth sides 3A and 3B of the underframe 2, and one shelf storage frame 8 is attached to the inner surface of the shelf storage frame 8 via a hinge 10. One side of the bottom plate 20 is connected. The bottom plate 20 has an underframe depth side of 3A in a horizontal state,
3B, tilted using the hinge 10 as a fulcrum, and erected along the support column 5A, the lower end is supported by the hinge 10, and the upper part of the metal shelf frame 21 is attached to the shelf frame 13 (described later). It is attracted to the attached magnet 15 (see FIGS. 1 to 3 below).

In addition, at the middle position of the pillar 5B, each pillar 5
A pair of guide rollers 12, which serve as guide members, are provided to protrude from the opposing pillar wall surface of each support 5A, corresponding to the shelf crosspiece 11.
The middle shelf board 30 is placed on the shelf frame 11 at one end and engaged with a pair of locking claws 11a (see FIG. 4), and is supported by a pair of guide rollers 12 at the other end. has been done. That is, a groove member 31 is attached to the side of the middle shelf board 30 in the shelf width direction over its entire length, and the engagement relationship between the groove member 31 and the pair of guide rollers 12 allows the middle shelf board 30 to The other end of the plate 30 is supported (see FIG. 5).
Note that the depth of the middle shelf board 30 is the same as that of the pair of supports 5A.
and is formed slightly smaller than the interval between the pair of support columns 5B.

An upper shelf board 40 having the same structure is disposed above the middle shelf board 30 and is supported by a shelf frame 13 having a similar structure and a guide roller 14 serving as a guide member. However, the shelf 13 is attached to the support column 5A, and the guide roller 14 is attached to the support column 5B.

The folding shelf type trolley 1 of this embodiment is configured as described above, and can be used as a movable display shelf for a store, for example.
Clothes can be hung using hangers. If the length of the clothing is long and the upper shelf board 40 or the middle shelf board 30 becomes an obstacle, the shelf board 30 or the shelf board 40 may be removed using the method described later. this is,
The same applies to cases where the size of the item to be stored is not limited to clothing but is large.

Therefore, according to FIGS. 2 and 6, each shelf board 40,
30 and the removal and storage method of the bottom plate 20 will be explained.

Regarding the upper shelf board 40, first lift the end on the shelf crosspiece 13 side to disengage it, and then remove the guide roller 14.
along the column toward the column 5B side.
Pull the drawer outward from the space between Store it on the depth side 3B of 2.
At this time, since the guide roller 14 remains engaged with the upper part of the upper shelf board 40, the upright position of the upper shelf board 40 is maintained.

Regarding the middle shelf board 30, lift the end on the shelf frame 11 side to disengage it, slide it along the guide roller 12 toward the support column 5A, and pull it out from between the pair of support columns 5A. Rotate the guide roller 12 as a fulcrum as if lowering the side end,
The end on the side opposite to the drawer is fitted into the shelf board storage frame 8, and stored on the underframe depth side 3A of the underframe 2 in an upright position. At this time, since the groove member 31 and the guide roller 12 remain engaged, the upright posture of the shelf board 30 is maintained.

Furthermore, the bottom plate 20 is tilted using the hinge 10 as a fulcrum, and is attracted to the magnet 15 attached to the shelf frame 13 in correspondence with the shelf frame 21. In this state, the middle shelf board 30 and the bottom board 20 stand adjacent to each other.

However, all the shelf boards 40, 30 and the bottom board 2
0 is stored as described above, a plurality of folding shelf type carts 1 are assembled in a mutually fitting form as shown in FIG. can be stored. This storage form is possible because the underframe 2 is formed in a Z-shape.

In addition, guide rollers 12 and 14 as guide members
Instead, a guide round bar 50 as a guide member with a spherical tip as shown in FIG. 8, or a guide collar 6 as a guide member with a disk shape at the tip as shown in FIG.
It is also possible to use protrusions with 0.

Furthermore, as shown in FIG. 10, each shelf board 30,
A shaft 70 equipped with a U-shaped guide piece 70 that serves as a guide member that guides both sides of the shaft 40 from above and below.
A may be rotatably attached to the supports 5A and 5B, or as shown in FIG.
L that guides as if holding both sides of 0.40
A shaft 80A, on which a guide piece 80, which is a letter-shaped guide member, protrudes, is rotatably passed through a pair of pillars 5A or 5B, and each shelf board 30, 40 is supported and guided by the shaft 80A and the guide piece 80. A structure may also be adopted.

Further, instead of the magnet 15 that attracts the bottom plate 20, a holding means such as a hook may be used.

Furthermore, in place of the shelf bars 11 and 13, the twelfth
Protrusions 90 as shown in the figure are provided protrudingly on the pillars 5A and 5B, and recessed locking portions 3 are provided at the ends of each shelf board 30 and 40.
0A, 40A are formed, and the recessed locking parts 30A, 40A are engaged with the protrusion 90, and each shelf board 30,
40 may be locked. At this time, a protrusion (for example, a collar) for preventing slippage can be provided at the tip of the protrusion 90.

Also, attach each shelf board to the upper depth side 5 of the pillars 5A and 5B.
It is suspended from the hooks attached to a and 5b, and the pillars 5A,
It can be stored upright along line 5B. In FIG. 13, a pair of hooks F are attached to the upper depth side 5b of the support column 5B, a locking metal fitting f is attached to the end of the upper shelf board 40, and the upper shelf board 40 is attached with the hooks F. A suspended example is shown. Furthermore, as the shelf board and the bottom board, in addition to the flat plate shelf board in the above embodiment, a net-like body (eg, wire mesh), a cage-like body, etc. can be used.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a folding shelf type cart according to an embodiment of the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, Fig. 3 is a sectional view taken along the - line in Fig. 2, and Fig. 4 is a sectional view taken along the - line in Fig. 2. is an enlarged view of the part shown in the direction of the arrow in FIG. 2, FIG. 5 is a view taken in the direction of the - line in FIG. A plan view showing a combined storage state and FIGS. 8 to 13 are explanatory diagrams of main parts of folding shelf type carts according to other embodiments. 1... Folding shelf type trolley, 2... Underframe, 2a... Boss, 3A, 3B... Underframe depth side, 4... Caster, 5A, 5B... Support, 6... Boss, 7... Hanger pipe, 7a...hanger stopper,
8, 9... Shelf board storage frame, 10... Hinge, 11...
...Shelf frame, 12... Guide roller, 13... Shelf frame,
14... Guide roller, 15... Magnet, 2
0...Bottom plate, 21...Shelf frame, 30...Middle shelf board,
31... Groove member, 40... Upper shelf board, 50... Guide round bar, 60... Guide collar, 70... Guide piece, 70A... Shaft, 80... Guide piece, 80A...
...Axis, 90...protrusion.

Claims (1)

[Scope of utility model registration request] A pair of left and right underframe depth sides oriented in the front-rear direction perpendicular to the frontage surface and an oblique side connecting the pair of underframe depth sides diagonally form a Z-shape in plan view, and at least four An underframe with casters, four supports that stand upright above the four corners of the underframe and are interconnected with the upper depth sides parallel to the depth sides of the underframe, and each A guide member attached to a support column, a shelf frame attached to another pair of front and rear columns facing the pair of front and rear columns to which the guide member is attached, and a shelf frame attached to the shelf frame in a removable manner. , a shelf board slidably and rotatably attached to the guide member; a shelf board rotatably pivoted along the frontage surface to one of the pair of left and right underframe depth sides; A folding shelf-type trolley characterized by comprising a bottom plate that is removably locked to the sides and can be stored in an upright position.