JP2542856Y2 - Truck storage device for truck - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a step board storage device for a truck.

[0002]

2. Description of the Related Art In general, a lorry is designed to load and unload cargo from a packing box mounted on a chassis of the truck via a step board extending between the rear end of the packing box and the ground. I have.

[0003] Such a step board is detached from the rear end of the packing box after the loading and unloading of the load into the packing box is completed, and is provided below the rear end of the packing box. It is stored in a walking board storage box having an opening that opens.

[0004]

By the way, when the step board storage box is provided below the rear end of the packing box as described above, a suspension device and a rear wheel are arranged below the rear end of the packing box. Therefore, it is difficult to dispose the step board storage box below the rear end of the packing box while avoiding interference with them. Furthermore, in the case of a truck equipped with a packing box that can be tilted on a chassis,
When the load box is tilted, the stepboard storage box may be in the way and hinder the tilting operation of the load box. Therefore, an improvement in the storage position of the stepboard has been desired.

In addition, in consideration of running vibrations and the like, it is necessary to lock the step board in the step board storage box with an engaging tool or the like so that the step board does not fall from the inside of the step board storage box. In this case, if the step board storage box is provided below the rear end of the packing box, the worker must perform the engagement and disengagement work with the engaging tool in a cramped position bent below the rear end of the packing box. And the workability is poor.

[0006] The present invention has been made in view of such a point, and an object of the present invention is to make effective use of the dead space of the packing box which does not hinder the tilting operation of the tiltable packing box and loading / unloading of the load. It is an object of the present invention to provide a walking board storage device that stores a walking board and that can perform a work of engaging and disengaging the walking board with good workability regardless of tilting of a load box.

[0007]

Means for Solving the Problems To achieve the above object, a solution taken by the present invention is a step which is detachably mounted between the rear end of a packing box mounted on a chassis and the ground. In a lorry equipped with a plate, an engaging portion is provided below the front wall of the packing box to lock one end of the step board from the rear of the vehicle body, and faces upward from the engaging portion. A stopper is provided above the front wall of the packing box to hold the other end of the step board from above. The stopper has a vertically elongated hole formed in the stopper, and a vertically slidably fitted in each elongated hole, and the stopper is secured to the front wall of the packing box through each elongated hole. The stopper is movable in the vertical direction with respect to the front wall of the packing box and can be fixed in an arbitrary position in the vertical direction, and the step plate is connected to the engaging portion. And the stopper is stored and held on the front wall of the packing box.

[0008]

With the above arrangement, according to the present invention, when the step board removed from the rear end of the packing box is stored after the completion of loading / unloading of the packing box, one end of the step board is stored by the engaging portion. From the rear of the car body below the front wall of the cargo box. Then
The stopper secured by a securing bracket via a long hole above the front wall of the packing box is released, and the securing by the securing bracket is released. After being moved to the upper side of the box front wall, the other end of the step board is moved downward so as to hold it from above. After that, at the position where the other end of the step board is held, the stopper is tied to the upper side of the front wall of the packing box via a long hole by the lashing metal, and the storage of the step board on the front wall side of the packing box is performed. Complete.

On the other hand, when removing the step board from the front side of the packing box, the locking of the stopper on the upper side of the packing box front wall by the locking metal is released, and the stopper is moved upward along the elongated hole, so that the step board is removed. Release the holding by the stopper on the other end side of. Then
The locking of one end of the step board by the engaging portion on the lower side of the front wall of the packing box is released by lifting the step board upward, etc.
The removal of the step board from the front wall side of the packing box is completed.

[0010] This eliminates the need to arrange and store the step board storage box below the rear end of the packing box while avoiding interference with the suspension device and the rear wheel, and the tilting packing box can be obviated. The step board is stored and held in the dead space on the front wall side of the packing box, which does not hinder the tilting operation of the load box and does not hinder the loading and unloading of the load.

Further, the step plate is stored and held on the front wall side of the packing box by the engaging portion which locks from the rear and the stopper which is held from above, and particularly the stopper which can be easily fixed to an arbitrary position in the vertical direction. The use of the slab makes it easier to engage and disengage the step board, compared to a situation in which the worker engaged and disengaged using the engaging tool in a cramped position crouched below the rear end of the packing box. Thus, the work for engaging and disengaging the step board can be performed extremely easily and easily.

[0012]

As described above, according to the pallet truck storage device of the present invention, the engaging portion for locking one end of the pallet under the front wall of the cargo box from the rear of the vehicle body, A stopper for holding the other end side of the packing box from above at the upper side of the packing box front wall, and the stopper can be easily moved to an arbitrary position in the vertical direction on the packing box front wall by a long hole and a securing metal fitting. It is possible to secure and store the step board on the front wall side of the packing box, so the step board is placed in the dead space on the front wall side of the packing box which does not interfere with the tilting operation of the packing box and loading / unloading of luggage. In addition to being able to store and hold easily and reliably, the work for engaging and disengaging the step board can be performed easily and easily.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 5 to 8 show a truck using the walking board storage device according to the embodiment of the present invention, wherein 1 is a chassis of a vehicle V connected to the rear of the cabin C, and SC is on the chassis 1. The sub-chassis 2 is provided at the rear end of the sub-chassis SC with a tilting frame pivotably supported around a horizontal axis 2a. The sub-chassis 3 is supported slidably with respect to the tilting frame 2 in the front-rear direction. It is a completed packing box. The packing box 3 includes a front wall 3a formed at a height substantially coincident with the cabin C,
Left and right side walls 3b formed at approximately half the height of the front wall 3a,
3c, a rear wall 3d formed at a height substantially coinciding with the left and right side walls 3b, 3c and having a pivot shaft (not shown) at the lower end, and a freely openable and closable rear wall 3d; Become.

A rear end of a lift cylinder 4 having a base shaft 4a fixed to a substantially central portion of the sub-chassis SC is connected to a rear side of a center portion of the tilting frame 2, and further connected to the front end portion. It is supported rotatably about a horizontal axis 5. That is, when the lift cylinder 4 is extended, the tilting frame 2 is in a tilted state, and when the lift cylinder 4 is contracted, the tilting frame 2 is in a lying state. Further, an extendable telescopic cylinder 6 is linked between the front end of the tilting frame 2 and the packing box 3, and the packing box 3 is moved with respect to the tilting frame 2 by the telescopic operation of the telescopic cylinder 6. It slides back and forth. However, when loading and unloading luggage to and from the packing box 3, the packing box 3 can be smoothly loaded and unloaded, that is, the packing box 3 has an inclination angle of about 12 ° with respect to the ground surface. The lifting cylinder 4 is extended so that the telescopic cylinder 6 is extended and the packing box 3 is slid rearward with respect to the tilting frame 2 in this state, so that the packing box 3 approaching the ground surface is obtained. The loading and unloading of luggage is performed from the rear end.

Further, as shown in FIGS. 3 and 4,
The left and right positions of the rear end of the packing box 3 are set between the rear end of the packing box 3 approaching the ground surface and the ground by the extension of the lift cylinder 4 and the telescopic cylinder 6. A pair of walking plates 11, 11 are provided. One end of each step board 11 has an engagement groove 12 having a substantially semicircular arc-shaped cross section which can be engaged with rod-shaped engagement portions 10, 10 provided at the right and left rear end portions of the packing box 3. It has a portion 11a and another end portion 11b formed at an acute angle in a side view so as to minimize a step with respect to the ground surface.

As shown in FIGS. 1 and 2,
At the left and right positions of the front wall 3 a of the packing box 3,
Is stored (only the left side of the vehicle body will be described because the left and right sides have the same configuration). The left and right ends of the step board storage device 21 are fastened to the lower side of the left position of the front wall 3a by bolts 20, ... and nuts 19, ..., and one end 11a of the step board 11 is connected to the front wall 3a.
The engagement portion 22 is formed in a substantially U-shape in a flat view by a rod and is engaged with the lower side of the vehicle so as to be sandwiched from the rear of the vehicle body.
And the step board 11 provided above the left position of the front wall 3a.
And a stopper 23 having a substantially U-shaped cross section for holding the other end portion 11a of the second member 11 from above. The stopper 23 has vertically elongated holes 24 provided at the left and right ends of the stopper 23, and the left and right ends of the stopper 23 are connected to the front wall 3a through the respective long holes 24. Bolt members 25, 25 and nuts 28, 28 serving as lashing fittings for lashing to the upper side at the left position, and a grip hand 27 that enables a lifting operation of the stopper 23 upward are provided. On the head of each of the bolt members 25, a rod-shaped fastener 26 enabling the bolt member 25 to be freely tightened or loosened.
Are connected and fixed, and by loosening the bolt member 25 with the fastener 26, the stopper 23
The front wall 3a is vertically movable within the elongated hole 24 via each bolt member 25. In this case, the step plates 11, 11 removed from the left end of the rear end of the packing box 3 after the loading of the packing box 3 is completed, are closer to the front wall 3 a than the side of the packing box 3 (side walls 3 b, 3 c). Will be stored.

In FIG. 1, reference numeral 31 denotes a guide panel for protecting the load from dropping from the upper end of the front wall 3a of the packing box 3 to the cabin C when the load is unloaded.

Therefore, in the above embodiment, when the step board 11 removed from the left end of the rear end of the packing box 3 is stored after the loading / unloading of the packing box 3 is completed, as shown in FIG. After the engagement groove 12 in the one end 11a of the step board 11 is engaged with the portion 22 in a substantially horizontal state, the other end 11b of the step board 11 is caused to rise upward in that state. As a result, one end 11a of the step board 11 is locked so as to be sandwiched from the rear of the vehicle body with respect to the lower side of the left side of the front wall 3a of the packing box 3. Next, as shown in FIG. 4, stoppers 23 by bolt members 25, 25 through respective long holes 24 at the left and right ends with respect to the upper left position of the front wall 3 a of the packing box 3.
Is released by the loosening operation of the fastener 26, the stopper 23 is moved to the upper side of the front wall 3a by the grip hand 27 while moving each bolt member 25 to the lower end of each long hole 24. Later, the other end 1 of the step board 11
1b is held by the stopper 23 from above. Thereafter, at the position where the other end 11b of the step board 11 is held, the bolt members 25 of the stopper 23 are fastened to the upper left side of the front wall 3a by the fastening operation of the fasteners 26 via the respective elongated holes 24. Then, the step board 11 removed from the rear end right position of the packing box 3 goes through the same process, and the storage of the step boards 11 on the front wall 3a side of the packing box 3 is completed.

On the other hand, when the step board 11 is to be removed from the left position of the front wall 3a of the packing box 3, the bolts 25 of the stopper 23 on the upper side of the left position of the front wall 3a are fixed by the fasteners 26.
The stopper 23 is moved by the gripping hand 27 to the upper side of the front wall 3a while the bolt member 25 is moved to the lower end of each of the long holes 24 to move the bolt member 25 to the lower end of each elongated hole 24. The holding by the stopper 23 is released. Next, the locking of the one end 11a of the step board 11 by the engagement portion 22 at the lower side of the left position of the front wall 3a is performed by lifting the step plate 11 upward and extracting it from between the front wall 3a and the engagement portion 22. To cancel. The step board 11 removed from the rear end right position of the packing box 3 goes through the same process, and the removal of the step boards 11 from the front wall 3a side of the packing box 3 is completed.

As a result, the step board 11 does not need to be placed and stored under the rear end of the packing box while avoiding interference with a suspension device or a rear wheel, so that the step board storage box can be tilted and tilted. Packing box 3 which does not hinder the loading / unloading of the load without hindering the tilting / sliding operation of slidable packing box 3
Step board 11, 1 in the dead space on the front wall 3a side of
1 can be easily stored and held.

Further, since the step boards 11, 11 are stored and held on the front wall 3a side of the packing box 3 by the step board storage device 21 provided with the engaging portions 22 and the stoppers 23, the worker can Compared to the work in which the engagement tool is engaged and disengaged in a cramped position bent down below the end, the work of engaging and disengaging the step board 11 can be performed smoothly and easily, and thus the step boards 11, 1
1 can improve the disengagement workability.

It should be noted that the present invention is not limited to the above embodiment, but includes various other modifications.
For example, in the above-described embodiment, the step board storage device 21 is applied to the packing box 3 that is tiltable and slidable with respect to the chassis 1, but the front wall side of the packing box that is immovably fixed to the chassis. ,
Alternatively, it is a matter of course that the step board storage device may be applied to the front wall side of the packing box that can only tilt with respect to the chassis.

[Brief description of the drawings]

FIG. 1 is a side view of a walking board storage device viewed from the left side of a vehicle body.

FIG. 2 is a front view of the walking board storage device on the left side of the vehicle body as viewed from the rear side of the vehicle body.

FIG. 3 is an explanatory diagram illustrating engagement of a step board with an engagement portion.

FIG. 4 is an explanatory diagram illustrating holding of a step board with respect to a stopper.

FIG. 5 is a side view of the packing box in a lying state.

FIG. 6 is a view corresponding to FIG. 5 in a tilted state.

FIG. 7 is a diagram corresponding to FIG. 5 in a sliding state after tilting.

FIG. 8 is a perspective view of the vehicle viewed obliquely from the rear in a sliding state after the cargo box is tilted.

[Explanation of symbols]

 Reference Signs List 1 chassis 3 packing box 3a front wall 11 step plate 11a one end (one end) 11b other end (other end) 21 step plate storage device 22 engaging portion 23 stopper 24 elongated hole 25 bolt member (fastening metal fitting) 28 nut ( Fastening bracket)

Claims (1)

(57) [Scope of request for utility model registration] 1. A rear end of a cargo box mounted on a chassis and a ground.
Cargo equipped with a step board that can be freely attached and detached between
In Dosha, the lower side of the packing box of the front wall, the body one end of said running board
An engaging portion for locking from behind is provided, and above the engaging portion,
Opposite the front wall of the packing box facing the other end of the step board
A stopper for holding the side from above is provided, and the stopper is provided in the vertical direction formed on the stopper.
Elongated long holes are fitted into each of the long holes slidably in the vertical direction.
Latches that secure the stopper to the front wall of the packing box through each slot
The stopper is attached to the front wall of the packing box.
To be movable in the vertical direction and any position in the vertical direction
The stepping plate can be secured in front of the packing box by the engaging portion and the stopper.
A stepboard storage device for a lorry, characterized in that it is stored and held on a wall .