JP2958476B1 - Dolly parts box aids - Google Patents

Abstract

An auxiliary bottom plate is detachably provided on an upper surface of a bottom plate of a parts box to reinforce the bottom of the parts box.
Easy replacement of the auxiliary bottom plate. SOLUTION: A front surface and an upper surface are open, and left and right side plates (1) are provided.
5b, 15c) Locking recesses (16a, 16b) at the upper edge
A parts box (15) having:
A frame room (10) formed by forming a bar into a three-dimensional frame on a cart
And the fitting recesses (16a, 16b) of the component box (15) are fitted and locked to a horizontal bar (12) extending in the left-right direction of the frame chamber (10). The engagement holes (17a, 1) are formed at the lower ends of the left and right side plates (15b, 15c).
7b), an auxiliary bottom plate (20) substantially corresponding to the inner surface of the bottom plate (15a) of the component box (15) is provided, and the engagement holes (17a, 17b) are provided on both left and right sides of the auxiliary bottom plate (20). An engaging projection (20a, 20b) that can be disengaged is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle, in which parts boxes are detachably fitted to a large number of frame chambers formed by three-dimensionally framing a bar on a truck, and automobile parts, electric parts, etc. For a cart parts box that can accommodate and transport parts,
In particular, it relates to an auxiliary tool for protecting the bottom plate of the component box.

[0002]

2. Description of the Related Art As a conventional technique, a technique described in Japanese Patent Application No. 2560866 filed by the applicant of the present invention, that is, a method in which a wheel is provided at a lower portion and a bar is provided at an upper portion to form a large number of three-dimensional shapes. A trolley having a frame chamber is provided, and a large number of folding box-type component boxes whose front and upper surfaces are opened by a plate material such as foamed vinyl chloride are fitted into each of the frame chambers, and upper edges of left and right side plates of the component box are provided. There has been a bogie component box in which a locking recess provided in a portion is fitted and locked to a horizontal bar extending in the left-right direction of each of the frame chambers.

[0003]

When the above-mentioned conventional device is used for a long period of time or when a component having a protrusion is accommodated,
The bottom plate of the parts box is easily damaged, and the damage to the bottom plate hastens the replacement time with a new parts box. Further, when a heavy component is stored, there is a disadvantage that the bottom plate is easily deformed and damaged. SUMMARY OF THE INVENTION It is an object of the present invention to provide a new truck component box auxiliary tool that solves the above-mentioned disadvantages by providing an auxiliary bottom plate on the upper surface of the bottom plate so as to be detachable.

[0004]

Means for Solving the Problems The present invention is configured as follows to achieve the above object. That is, a part box having an opening on the front and top surfaces and having a locking recess at the upper edges of the left and right side plates is provided, and the part box is fitted into a frame chamber formed by forming a bar into a three-dimensional frame on a cart. And a locking recess of the component box is fitted and locked to a horizontal bar extending in the left-right direction of the frame chamber. In the bogie part box, engagement holes are formed in lower end portions of left and right side plates of the component box. And an auxiliary bottom plate substantially corresponding to the inner surface of the bottom plate of the component box is provided, and engaging projections that can be engaged with and disengaged from the engaging holes are provided on both left and right sides of the auxiliary bottom plate. Further, a relatively soft auxiliary bottom plate and a reinforcing bottom plate having high bending rigidity are provided substantially corresponding to the inner surface of the bottom plate of the component box, and engagement projections detachable from the engagement holes are provided on both left and right sides of the auxiliary bottom plate. The auxiliary bottom plate faces the inner surface of the bottom plate of the component box, and its engaging projection engages with the engagement hole of the component box, and the reinforcement is provided between the auxiliary bottom plate and the bottom plate of the component box. It is configured to interpose a bottom plate. Further, the component box and the auxiliary bottom plate are formed of a foamed plastic plate material.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partial side sectional view showing an embodiment of the present invention, FIG. 2 is a II-II sectional view thereof, FIG. 3 is an explanatory perspective view showing a relationship between a component box and an auxiliary bottom plate, and FIG. FIG. 5 is a cross-sectional view showing a mounting state of the bottom plate, and FIG. 5 is a cross-sectional view showing a mounting state of the auxiliary bottom plate and the reinforcing bottom plate. In FIGS. 1 and 2, reference numeral 1 denotes a trolley, and 4 denotes a frame framed on an upper portion of the trolley 1.

[0006] The cart 1 is a square pipe (or L-shaped steel).
Are formed in a grid shape by welding to form a rectangular base 2 in plan view, and wheels (casters) 3 are attached to each corner of the base 2 so as to be movable. The frame body 4 has pillars 5 made of a square pipe (or L-shaped steel material) fixed to each corner of the base 2 in an upright position, and upper ends thereof are connected to each other by a horizontal rod (not shown). Vertical bar 11 and horizontal bar 12
Are arranged three-dimensionally to form a large number of frame chambers 10.

That is, a vertical bar 11 made of a round bar extending in the vertical direction between the columns 5 is, for example, about 300 mm in the front-rear direction (horizontal direction in FIG. 1), for example, in the horizontal direction (horizontal direction in FIG. 2). Standing up and fixed at intervals of about 650, horizontal bar members 12 composed of round bars extending in the left-right direction are arranged in the vertical direction at intervals of, for example, about 223 mm, and connected to the vertical bar members 11. The vertical bar members 11 and the horizontal bar members 12 form a large number of rectangular parallelepiped frame chambers 10 arranged in parallel in the left-right direction and the vertical direction.

As shown in FIG. 1, the horizontal bar 12 is a first horizontal bar 12a located at a first vertical bar 11a on the front side.
The second vertical bar 11b located on the rear side.
The horizontal bar 12b is slightly lowered, whereby each frame chamber 10 is inclined downward at a predetermined angle from the front to the rear.
Further, a third vertical bar 11c is provided behind the second vertical bar 11b.
Are fixed upright at predetermined intervals in the left-right direction, and a third horizontal bar 12c located at an intermediate portion in the vertical direction with respect to the second horizontal bar 12b is connected to each third vertical bar 15b. The rear plate 15d of the component box 15 housed in each frame chamber 10 is locked by the third horizontal bar 12c.

The component box 15 is formed of a plate made of plastic, for example, a plate made of foamed vinyl chloride. That is, as shown in FIG. 3 and FIG.
The left and right side plates 15b and 15c are connected to the left and right ends of the bottom plate 5a in a bendable manner, and the rear plate 15d is connected to the rear end of the bottom plate 15a in a bendable manner. In addition, semicircular arc-shaped locking recesses 16a, 16b to be fitted and locked to the above-described first and second horizontal bars 12a, 12b are formed at two positions before and after the upper edge of each of the side plates 15b, 15c. Circular engagement holes 17a, 17b are formed at two places before and after a broken line between the bottom plate 15a and the side plates 15b, 15c,
In addition, circular drain holes 18 are formed at two locations on the left and right of the broken line between the bottom plate 15a and the rear plate 15d.

An auxiliary bottom plate 20 is detachably engaged with the inner surface of the bottom plate 15a. As shown in FIG. 3, the auxiliary bottom plate 20 is formed in a rectangular shape substantially corresponding to the inner surface of the bottom plate 15a by using a plate material of substantially the same material as that of the component box 15 described above, and the engagement holes are formed on both left and right sides thereof. The arc-shaped engaging projections 20a and 20b that engage with 17a and 17b are integrally formed to protrude outward. This auxiliary bottom plate 20 is
When attaching to the parts box 15 fitted to the parts box 15, the auxiliary bottom plate 20 is bent upward so that the engaging projections 20a and 20b are formed in the engaging holes 17a of the parts box 15 as shown by the phantom line in FIG. ,
17b, and is elastically returned to a plate-like shape, so that each of the engaging projections 20a, 20b is connected to each of the engaging holes 17a, 17b.
As shown by the solid line in FIG.
It is superimposed on the inner surface of the bottom plate 15a. The auxiliary bottom plate 20 may be formed of a steel plate material or a hard plastic material.

As a result, the bottom of the component box 15 is doubled, the bending rigidity is increased, and the component box 15
The auxiliary bottom plate 20 attached to the
b is engaged with each of the engagement holes 17a and 17b,
It does not move inadvertently in the front-rear direction when parts are taken in and out. Further, when the auxiliary bottom plate 20 is damaged by taking in and out of parts, the auxiliary bottom plate 20 is bent upward as shown by the imaginary line in FIG.
Can be easily taken out of the parts box 15 by being detached from the engaging holes 17a and 17b, and replacement with a new auxiliary bottom plate 20 becomes easy.

FIG. 5 shows the bottom of the component box 15 further reinforced. That is, the reinforcing bottom plate 21 is interposed between the bottom plate 15a of the component box 15 and the auxiliary bottom plate 20. The auxiliary bottom plate 20 is formed of a steel plate or a hard plastic plate into a rectangular shape slightly smaller than the area of the inner surface of the bottom plate 15a. After the auxiliary bottom plate 20 is overlapped and engaged with the inner surface of the bottom plate 15a in the manner described above, the reinforcing bottom plate 21 raises the auxiliary bottom plate 20 slightly to form a gap between the auxiliary bottom plate 20 and the bottom plate 15a. From the front.

As a result, the bottom of the component box 15 becomes triple, and the bending rigidity of this portion is further increased, so that a heavy component can be stably supported. In this case, if the auxiliary bottom plate 20 is formed of a foamed plastic material,
Since the components housed in the component box 15 come into contact with the soft auxiliary bottom plate 20, they are not damaged.

[0014]

As is apparent from the above description, according to the present invention, the auxiliary bottom plate is provided on the bottom of the component box, and the engaging projections provided on the left and right sides of the auxiliary bottom plate are provided on the bottoms of both side plates of the component box. Since the fitting holes are engaged with the provided engaging holes, the structure can be simplified, the bending rigidity of the bottom of the component box can be increased, and the auxiliary bottom plate can be inadvertently moved in the front-rear direction when parts are taken in and out. Stop moving. Further, when the auxiliary bottom plate is damaged due to taking in and out of parts, the auxiliary bottom plate can be easily taken out of the parts box by bending the auxiliary bottom plate upward, thereby facilitating replacement with a new auxiliary bottom plate. Further, since the reinforcing bottom plate is interposed between the bottom plate and the auxiliary side plate, the structure can be simplified, the bottom of the component box can be further reinforced, and a heavy object can be stably supported. . And so on.

[Brief description of the drawings]

FIG. 1 is a partial side sectional view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is an explanatory perspective view showing a relationship between a component box and an auxiliary bottom plate.

FIG. 4 is a sectional view showing an attached state of an auxiliary bottom plate.

FIG. 5 is a cross-sectional view showing an attached state of an auxiliary bottom plate and a reinforcing bottom plate.

[Explanation of symbols]

 Reference Signs List 1 cart 2 base 3 caster 4 frame 5 support 10 frame chamber 11 vertical bar 11a first vertical bar 11b second vertical bar 11c third vertical bar 12 horizontal bar 12a first horizontal bar 12b second horizontal Bar 12c Third horizontal bar 15 Parts box 15a Bottom plate 15b Left side plate 15c Right side plate 15d Rear plate 16a Locking recess 16b Locking recess 17a, 17b Engagement hole 18 Drainage hole 20 Auxiliary bottom plate 20a, 20b Engagement protrusion 21, Reinforced bottom plate

Claims (3)

(57) [Claims] The front and upper surfaces are open, and left and right side plates (15) are provided.
b, 15c) is provided with a component box (15) having a locking concave portion (16a, 16b) at the upper edge thereof, and the component box (15) is formed by forming a bar into a three-dimensional frame on a cart. (10) and the locking recess (1) of the component box (15).
6a, 16b) is fitted into and engaged with a horizontal bar (12) extending in the left-right direction of the frame chamber (10), and a left and right side plate (15b, 15) of the component box (15) is provided.
c), engagement holes (17a, 17b) are formed at the lower end, and an auxiliary bottom plate (20) substantially corresponding to the inner surface of the bottom plate (15a) of the component box (15) is provided. An auxiliary tool for a cart component box, wherein engaging projections (20a, 20b) are provided on both left and right sides of the engaging holes (17a, 17b). 2. A relatively soft auxiliary bottom plate (20) substantially corresponding to the inner surface of the bottom plate (15a) of the component box (15) and a reinforcing bottom plate (21) having high bending rigidity are provided. 20) on both left and right sides of the engagement holes (17a, 17b), engaging engagement projections (20a, 20b) are provided, and the auxiliary bottom plate (20) is attached to the bottom plate (15a) of the component box (15).
And the engaging projections (20a, 20b) are engaged with the engaging holes (17a, 17b) of the component box (15), and the auxiliary bottom plate (20) and the component box (15) are The auxiliary tool for a cart part box according to claim 1, wherein the reinforcing bottom plate (21) is interposed between the bottom plate (15a) and the bottom plate (15a). 3. The component box (15) and the auxiliary bottom plate (2).
3. The cart according to claim 1, wherein 0) is formed of a foamed plastic plate.