JPH0952574A - Truck for carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the switching of the storage condition and the service condition by a collapsible and storable truck, and to realize the compact storage in the stacked condition. SOLUTION: In a bottom plate, a bent floor plate 4 is interposed between a fixed floor plate 2 having casters 7 and a movable floor plate 3 having the casters 7. The bent floor plate 4 can be collapsed so as to be upwardly protruded. One end part 8a of a reinforced frame 8 is fixed to the lower surface side of the fixed floor plate 2, and the other end part 8b of the reinforced frame 8 is inserted into a holding piece 23 of the movable floor plate 3. A front handrail 16 and a rear handrail 19 are respectively fitted to the upper surface of the fixed floor plate 2 and the upper surface of the movable floor plate 3 to constitute a truck 24 for carriage. When a fixed rod 22 is removed during the storage in the truck 24 for carriage, the movable floor plate 3 is moved and the bent floor plate 4 is folded so that the center is projected (chain lines 24b, 3b, 4b). In addition, when the movable floor plate 3 is moved, the movable floor plate 3 having the rear handrail is collapsible so as to be brought closer to the fixed floor plate 2 having the front handrail 16 (solid line).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport cart that can be folded and stored when not in use.

[0002]

2. Description of the Related Art In conventional transportation carts that can be accommodated, for example, protective fences are provided on two or three sides of a square bottom plate, and longitudinal members of adjacent protective fences are rotatably connected. Yes,
The bottom plate was configured to be removable or rotatable. In this case, when storing, first remove or rotate the bottom plate to position it in the vertical direction, and then rotate and fold the protective fence so that adjacent protective fences are in parallel, and reduce the shape. It was housed.

[0003]

SUMMARY OF THE INVENTION In the above conventional technique,
When folding, it is necessary to move the bottom plate and subsequently rotate the protective fences individually, and it is not possible to work at once,
There is a problem that the work may be complicated depending on the structure. In addition, there is a problem that the work may be similarly complicated when the storage state is opened to the use state.

[0004]

However, according to the present invention, since the intermediate portion of the bottom plate is formed so as to be foldable so that the front and rear fences are close to each other, the above problems have been solved.

That is, according to the present invention, casters are fixed to the lower surfaces of both end portions of the bottom plate, front and rear fences are installed opposite to each other on the upper surfaces of both end portions of the bottom plate, and the middle portion of the bottom plate is approached by the front and rear fences. A trolley for transportation characterized by being formed so as to be foldable. Further, the floor plate in the above, fixed floor plate with casters fixed on both sides of the lower surface and a front fence fixed on the upper surface,
A bending floor plate made up of two foldable plates is rotatably mounted between a moving floor plate having casters fixed on both sides of the lower surface and a rear fence fixed on the upper surface. Further, a reinforcing frame capable of supporting the lower surfaces of the movable floor plate and the refraction floor plate is fixed to the fixed floor plate in the above, a hook is provided at an end of the refraction floor plate, and the reinforcement frame is engaged with the hook. It is configured with tools.

Further, a holding tool is provided on the lower surface of the movable floor plate in which the end portion of the reinforcing frame is inserted and the vertical movement of the reinforcing frame is restricted, or on the side where the bending floor plate is bent. It is an urgent transportation cart.

[0007]

Since the intermediate portion of the bottom plate is formed so as to be foldable so that the front and rear fences are close to each other, the transporting trolley can be folded small, and the structure can be deformed into a normal use structure by opening the bottom plate.

Further, since the bottom plate is constructed by rotatably mounting a foldable refraction floor plate between a fixed floor plate to which the casters are fixed and a moving floor plate to which the casters are fixed, when the refraction floor plate is folded. , The moving floor board can be easily moved by the casters so as to approach the fixed floor board.

Since the reinforcement frame is fixed, the floor plate can be reinforced and protected, and the bending floor plate is provided with a hook and the reinforcement frame is provided with a receiving member, so that the floor plate can be held in an open state when the transportation cart is used. . Further, the reinforcing frame is inserted into the holder 23, and the vertical movement of the reinforcing frame is restricted with respect to the moving floor plate. Further, since the refraction floor plate is biased toward the refraction side, the accommodation state can be maintained.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS.

Casters 7, 7 are fixed to the four corners of the lower surface of the substantially rectangular bottom plate 1.

The bottom plate 1 has fixed floor plates 2 having casters 7, 7 fixed to both end portions 2a, 2a and both end portions 3 similarly.
a, a movable floor plate 3 having casters 7 fixed to 7a, and a refraction floor plate 4. The refraction floor plate 4 is rotatably interposed between the fixed floor plate 2 and the movable floor plate 3 by shafts 6 and 6, respectively, and has two sheets so that it can be folded so as to protrude upward. Refraction floor plate member 5,
5a is rotatably connected by a shaft 6a parallel to the shaft 6. A spring is fitted to the shaft 6a (not shown), and the refraction floor plate 4 is slightly folded (FIG. 3A) from the open state (FIG. 1A).
Is energized so as to become the chain line illustration 4b).

One end 8a of the reinforcing frame 8 is fixed to the lower surface side of the fixed floor plate 2, and the other end 8b of the reinforcing frame 8 is located on the lower surface of the moving floor plate 3 (the reinforcing frame 8). And the moving floorboard 3 are not fixed). Further, the reinforcing frame 8 includes two frame members 11, 1
1 are arranged in parallel so that the fixed floor plate 2 side is wide and the moving floor plate 3 side is narrow, and the frame members 11 are connected by a connecting member 12. The connecting member 12 is located at the end 8b on the moving floor plate 3 side.

Next, a hook 14 is provided on the lower surface of the refraction floor plate member 5 of the refraction floor plate 4 with its tip 14a facing the moving floor plate 3 side. Further, a receiving metal fitting 15 capable of locking the locking metal fitting 14 is erected and fixed to the frame members 11, 11 of the reinforcing frame 8. The hook 14 and the hook 15 are configured to be hooked to each other when the bending floor plate 4 is horizontal.

The lower surface of the moving floor plate 3 is formed by bending a strip-shaped material into a substantially U shape, and the reinforcing frame 8 is provided.
A holding tool 23 is provided so as to project from the other end portion 8b of the holding member 23. Since the reinforcing frame 8 is inserted into the holder 23, the vertical movement of the reinforcing frame 8 with respect to the moving floor plate 3 is restricted.

Further, the lower ends 17 and 17 of the gate-shaped front fence 16 are detachably (or fixed) attached to the upper surface of the fixed floor plate 2, and the gate-shaped rear fence 19 is attached to the upper surface of the movable floor plate 3. The lower ends 20, 20 are detachably (or fixed) attached.
A fixed carriage 22 is detachably installed between a vertical member 18 of the front fence 16 and a vertical member 21 of the rear fence 19 to form a carriage 24 (FIGS. 1 and 2). One end of the fixed rod 22 is a vertical member 2
1 is movably attached, and the other end of the vertical member 18 has a shape that can be fitted into the tubular metal fitting 27.

Next, the use of the carriage 24 of the present invention based on the above embodiment will be described.

The carrying cart 24 is used by placing the cargo on the bottom plate 1 in the same manner as a normal carrying cart when carrying luggage. Further, when not in use, the fixed rod 22 is removed, the movable floor plate 3 is pushed toward the fixed floor plate 2 side (the direction of the arrow 25 in FIG. 1), and the engagement between the hook 14 and the receiving member 15 is released. At the same time, since the bending floor plate 4 is biased by the spring of the shaft 6a so as to be slightly bent, the bending floor plate 4 is broken and the moving floor plate 3 moves to the fixed floor plate 2 side (FIG. 3). Transporting cart 24 in this state
Moving floor board 3, bending floor board 4, casters 7 and front fence 19 of
Is a chain line 24b, 3b, 4b, 7b in FIG.
The position is 19b (FIGS. 3A and 3B). Therefore, the movable floor plate 3 moves so that the front fence 16 and the rear fence 19 come close to each other, and the carriage 24 is folded. At this time, the casters 7, 7 of the movable floor plate 3 may move along with the folding, so that the other end 8b of the reinforcing frame 8 may tilt due to its own weight and hit the ground. The part is always inserted into the holder 23 of the movable floor plate 3, and the inclination of the reinforcing frame 8 can be prevented.

Further, in FIG. 4, when one folded transportation carrier 24A is overlaid on the front fence 16A side (fixed floor board 2A side) and the other folded transportation carrier 24B is overlaid, On the inner side 9A of the reinforcing frame 8A of the dolly 24A, the reinforcing frame 8 of the other carrying dolly 24B is provided.
The outer side 10B of B overlaps so as to abut (FIG. 4).
(A)) At the same time, the fixed floor plate 2A of the transport carriage 24A and the moving floor plate 3B of the other transport carriage 24B abut on one side. Therefore, the two carriages 24A and 25B are accommodated in a smaller size than the case where they are used alone (FIGS. 4A and 4B). Similarly, if they are sequentially stacked, a predetermined number of transport carriages 24 can be stacked and stored without taking a place. Further, when they are stacked and accommodated, the reinforcing frames 8 of the adjacent transport carriages 24A and 24B are stored.
Since the inner and outer sides of A and 8B are overlapped so as to contact each other and the reinforcing frames 8A and 8B are inserted into the holders 23, respectively, even if the carriages 24 and 24 are moved in a stacked state, the connection is maintained. There is no risk of collapse.

Next, when using the carriage 24,
When the carriage 24 is pulled out from the state shown in FIG. 4, the state shown by a chain line 24b in FIG. 3 is obtained. Then, the middle part (convex part) of the refraction floor plate 4b is pressed downward, the moving floor plate 4 is moved in the direction of the chain line arrow 26, the latching metal fitting 14 and the receiving tool 15 are engaged, and the fixed rod 22 is attached. Used (Fig. 1).

In the above embodiment, the hooking metal fitting 14 is provided on the bending floor plate 4 and the receiving metal fitting 15 is provided on the reinforcing frame 8. However, it may be set at another position as long as it can hold the floor plate 1 in the open state. It is also possible (not shown).

Further, in the above-mentioned embodiment, the reinforcing frame 8 is preferably composed of the frame members 11, 11 arranged obliquely side by side, but it may have another structure such as a plate shape (not shown). Even in this case, it is preferable that the reinforcing frames 8 of the adjacent transport vehicles overlap each other in the horizontal direction when the transport vehicles are stacked.
Further, if the floor plate 1 has sufficient strength when a load is placed on the floor plate 1, the reinforcing frame 8 may be unnecessary (not shown).

In the above embodiment, the shaft 6a is fitted with a spring to urge the refraction floor plate 4 toward the bending side. However, other means, for example, the shaft 6 is fitted with a spring. It is also possible (not shown). Further, it is desirable that the refraction floor plate 4 is biased toward the refraction side, but it may be omitted (not shown).

Further, in the above-mentioned embodiment, the bottom plate 1 is composed of the fixed floor plate 2, the moving floor plate 3 and the bending floor plate 4, but if the front fence 16 and the rear fence 19 can be folded so as to come close to each other, the other construction is possible. It is also possible (not shown).

In addition, in the above embodiment, in addition to the front fence 16 and the rear fence 19, a removable side fence can be combined (not shown).

Further, in the above-described embodiment, the holder 23 can be omitted if the reinforcing frame 8 is relatively lightweight or if the reinforcing frame 8 is not provided.

[0027]

Second Embodiment Next, another embodiment of the present invention will be described with reference to FIGS. In the first embodiment, the floor plate 1 is composed of the fixed floor plate 2, the moving floor plate 3 and the refraction floor plate 4, and the fixed floor plate 2 is plate-shaped. This embodiment is an example in which the fixed floor plate is rod-shaped.

The bottom plate 1 has casters 7, 7 on the lower sides of both ends.
And a movable floor plate 3 having casters 7, 7 fixed to both ends 3a and 3a, and a refraction floor plate 4, as in the first embodiment. Further, the refraction floor plate 4 is rotatably interposed between the fixed floor plate 28 and the moving floor plate 3 by the shafts 6 and 6 as in the first embodiment, and is convex upward. The two refraction floor plate members 5 and 5a are arranged in parallel with the shaft 6 so that they can be folded.
It is rotatably connected by a. Also,
A spring is fitted to the shaft 6a (not shown) so that the bending floor plate 4 is changed from an open state (FIG. 5A) to a slightly folded state (FIG. 5B). Is urged by.

Further, one end portion 8a of the reinforcing frame 8 similar to that of the first embodiment is fixed to the lower surface of the fixed floor plate 28, and the other end portion 8b of the reinforcing frame 8 is fixed to the moving floor plate 3
Located on the underside of.

Further, the lower ends 17, 17 of the gate-shaped front fence 16 can be detachably (or fixed) to both ends of the fixed floor plate 28.
Mounted on the upper surface of the moving floor board 3 and the gate-shaped rear fence 19
The lower end portions 20, 20 of the above are detachably (or fixed) attached. A fixed carriage 22 is detachably installed between the vertical member 18 of the front fence 16 and the vertical member 21 of the rear fence 19 to form a carriage 30 (FIG. 5 (a)).

The use of the carrier truck 24 of the present invention based on the above embodiment is also the same as that of the first embodiment. That is, when carrying a luggage, the carriage 30 is used by placing the luggage on the bottom plate 1 in the same manner as a normal carriage. Further, when not in use, the fixed rod 22 is removed, the moving floor plate 3 is pushed toward the fixed floor plate side, the bending floor plate 4 is folded, and the moving floor plate 3 is moved to the fixed floor plate 28 side (FIG. 5 (b)).

Further, in FIG. 6, when one folded transporting cart 30A is overlaid with the other folded transporting cart 30B from the front fence 16A side (fixed rod 28A side), the other transporting cart 30A is transported. The inside of the reinforcing frame 8A of the carriage 30A overlaps so that the outside of the reinforcing frame 8B of the other carrying carriage 30B abuts (FIG. 6), and at the same time, the fixed floor plate 28A of the carrying carriage 30A and the other for carrying the other. The moving floor board 3B of the trolley 30B is in close proximity to the trolley 30 for carrying both vehicles.
A and 30B are accommodated in a smaller size than when they are used alone (FIG. 6). In addition, the carriage 30 of this embodiment has a fixed floor plate 28.
Since it has a rod shape, it can be accommodated smaller than in the first embodiment. Similarly, if they are sequentially stacked, a predetermined number of transport carts 30
Can be stacked and stored without taking up space. When using the carriage 24, the carriage 24 is pulled out from the state shown in the figure, and the middle portion (convex portion) of the bending floor plate 4 is pressed downward.
The fixed rod 22 is attached and used (FIG. 5 (a)).

In the above embodiment, as in the first embodiment,
A holder 23 is attached to the movable floor plate 3, and a hook metal fitting 14 is attached to the refraction floor plate 4.
However, it is also possible to provide the metal fittings 15 on the reinforcing frame 8 respectively (not shown). In addition, another embodiment is also the first embodiment.
Is the same as

[0034]

According to the present invention, the intermediate portion of the bottom plate is formed so as to be foldable so that the front and rear fences are close to each other.
It is possible to fold the transportation cart in the accommodated state and open it in the used state, and it is possible to greatly simplify the deformation work. Also, if the bottom plate is constructed by attaching a refraction floor plate between the fixed floor plate to which the casters are fixed and the moving floor plate, the moving floor plate should be easily approached by the casters when folding or opening the floor plate. Since it can be moved to, the work of deforming the carriage can be operated with a weaker force.

Further, in the case where the refraction floor plate is provided with the hook metal fittings and the reinforcing frame is provided with the receiving member, the floor plate can be held in an open state when the transportation dolly is used, so that the transportation dolly can be changed from the accommodation state to the usage state. Can be further simplified, and if the bending floor plate is biased toward the bending side, it can be further simplified from the used state of the transportation cart to the accommodation state, and in general, the transportation truck can be deformed. There is an effect that can be made more efficient.
Further, by providing the movable floor board with a holder into which the reinforcing frame can be inserted, the inclination of the reinforcing frame due to its own weight can be prevented, and the work can be facilitated when accommodating or separating a plurality of transport carriages in a stack. effective.

When the reinforcing frame is fixed,
This has the effect of protecting the foldable floorboard and increasing the yield strength of the carriage.

[Brief description of drawings]

FIG. 1A is a side view and FIG. 1B is a plan view of an embodiment of the present invention.

2A is a front view, and FIG. 2B is a rear view.

3A and 3B show a state in which a bottom plate is bent in an embodiment of the present invention, FIG. 3A is a side view and FIG. 3B is a plan view.

FIG. 4 is a view showing a state in which two transporting carts are stacked, (a) is a side view and (b) is a plan view.

5A and 5B are side views of another embodiment of the present invention, in which FIG. 5A shows a state where the bottom plate is opened, and FIG. 5B shows a state where the bottom plate is bent.

FIG. 6 is a side view of a state in which two transport carts are also stacked.

[Explanation of symbols]

 1 Floor board 2 Fixed floor board 3 Moving floor board 4 Refraction floor board 5, 5a Refraction floor board member 7 Caster 8 Reinforcement frame 14 Latching metal fitting 15 Receiving metal fitting 16 Front fence 19 Rear fence 24 Transporting carriage 28 Fixed floorboard 30 Transporting carriage 2A, 2B fixed Floor board 3A, 3B Moving floor board 4A, 4B Refraction floor board 7A, 7B Casters 16A, 16B Front fence 19A, 19B Rear fence 24b, 24A, 24B Transport carriage 28A, 28B Fixed floor board 30A, 30B Transport cart

Claims (5)

[Claims] 1. A caster is fixed to lower surfaces of both end portions of a bottom plate, front and rear fences are respectively installed on upper surfaces of both end portions of the bottom plate so as to face each other, and an intermediate portion of the bottom plate is foldable so that the front and rear fences approach each other. A dolly for transportation characterized by being formed. 2. The bottom plate is foldable between a fixed floor plate having casters fixed on both sides of the lower surface and a front fence fixed on the upper surface, and a moving floor plate having casters fixed on both sides of the lower surface and a rear fence fixed on the upper surface. The carriage for transportation according to claim 1, wherein a refraction floor plate composed of two plates is rotatably attached. 3. A fixed floor plate is fixed with a reinforcing frame capable of supporting the lower surfaces of the movable floor plate and the bending floor plate, a hook is provided at an end of the bending floor plate, and the reinforcing frame can be engaged with the hook. The transportation cart according to claim 2, further comprising a receiving tool. 4. The carrier truck according to claim 3, wherein a holding tool is provided on the lower surface of the movable floor plate so as to insert an end portion of the reinforcing frame and regulate vertical movement of the reinforcing frame. 5. The carriage for transporting according to claim 2, wherein the refracting floor plate is biased toward the side to be refracted.