JP2553280Y2 - 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 on a cargo box mounted on a chassis of the truck via a step board extending between the rear end of the cargo 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 on the packing box is completed, and the engaging plate provided below the rear end of the packing box is provided. The step board is stored by being engaged and held by a member or the like.

[0004]

In the case where an engaging member for engaging and holding the step board is provided below the rear end of the packing box as described above, a suspension device and a rear portion are provided below the rear end of the packing box. Because the wheels are arranged, it is difficult to store the step board under the rear end of the packing box while avoiding interference with them, and the packing box is tiltably mounted on the chassis. In a lorry, there is a possibility that the step plate and the engaging member may hinder the tilting operation of the load box when the load box is tilted, and therefore, an improvement in the storage position of the step plate has been desired.

In addition, if the engaging member is provided below the rear end of the packing box, the worker performs the engagement / disengagement work by the engaging member in a cramped posture bent below the rear end of the packing box. And the workability is poor.

The present invention has been made in view of such a point, and a purpose of the present invention is to use a stepping plate by effectively using a tilting operation of a tiltable packing box and a dead space of the packing box which does not interfere with a load. An object of the present invention is to provide a walking board storage device that can easily store an engaging / disengaging operation and can compactly store an engaging member when the walking board is removed.

[0007]

Means for Solving the Problems To achieve the above-mentioned object, a solution taken by the present invention is to provide a stepping board storage device for a lorry on a packing box mounted on a chassis, and a rear end of the packing box. It is assumed that a lorry is designed to load and unload luggage via a step board suspended between the section and the ground. And an upper side which is provided rotatably around an axis extending in the vehicle width direction at an upper part of the front wall of the packing box, and which holds one end side of the step board from an upper part of the front wall of the packing box from the rear of the vehicle body. A holding member and a lower part of the front wall of the packing box are provided rotatably about an axis extending in the vehicle width direction, and the other end of the step board is held by the lower part of the front wall of the packing box from the rear of the vehicle body. A lower holding member to be held, and a securing belt that is bridged between the upper holding member and the lower holding member and that secures the upper holding member and the lower holding member. The step board is stored and held on the front wall side of the packing box by the holding members and the lashing belt, while the holding members are stored in the lying state on the front wall side of the packing box by the lashing belt when the step board is removed. It is configured to hold.

[0008]

With the above arrangement, according to the present invention, when storing the step board removed from the rear end of the packing box after the loading and unloading of the load into the packing box is completed, the step holding plate is provided by the lower holding member. Is held from the rear of the vehicle body with respect to the lower part of the front wall of the cargo box. Next, erect the step board along the front wall of the packing box,
The upper holding member is rotated from above with respect to the other end of the step board to hold the other end of the step board with respect to the upper part of the front wall of the packing box from behind the vehicle body. Thereafter, the securing belt is passed between the upper holding member and the lower holding member, and the tension of the securing belt causes the upper holding member and the lower holding member to relatively rotate to secure the fastening belt. Then, the storage of the step board on the front wall side of the packing box is completed.

On the other hand, when removing the step board from the front wall side of the packing box, the securing belt is loosened to release the securing by the relative tension between the upper holding member and the lower holding member, and the securing belt is moved upward. Remove from between the holding member and the lower holding member. Then, the upper holding member is rotated upward with respect to the other end of the step board to release the holding of the upper front wall of the packing box at the other end of the step board from the rear of the vehicle body, and The holding member is rotated downward to release the lower end of the packing box at one end of the step board from holding the lower part of the front wall from behind the vehicle body, and the removal of the step board from the packing box front wall side is completed.

After the step board is removed, a securing belt is laid between the upper holding member and the lower holding member after the step board is removed, and the securing belt is hung between the upper holding member and the lower holding member. The upper holding member and the lower holding member are relatively rotated and fixed by the tension of the upper holding member, and the upper holding member and the lower holding member are stored and held in a state of falling down to the front wall side of the packing box. Is completed.

Accordingly, the step board does not need to be disposed and stored with the step board together with the engaging member under the rear end of the packing box while avoiding interference with the suspension device and the rear wheel. 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 load without hindering the possible tilting operation of the packing box.

Further, since the step board is stored and held upright on the front wall side of the packing box by the holding members and the securing belts, the worker is cramped below the rear end of the packing box. As compared with the case where the engaging and disengaging operation is performed by the engaging member in a simple posture, the engaging and disengaging operation of the step board can be performed smoothly and easily.

In addition, since the upper holding member and the lower holding member at the time of removing the walking plate are stored and held down to the front wall side of the packing box by the securing belt, the upper holding member and the lower holding member at the time of removing the walking plate are removed. The lower holding member is compactly stored and held.

[0014]

As described above, according to the walking board storage device of the truck of the present invention, the upper holding member capable of holding one end of the walking board to the upper part of the front wall of the packing box, And the lower holding member capable of holding the other end side of the lower part of the front wall of the packing box relative to the packing box front wall by rotating the lower holding member relative to the packing box front wall. Because each holding member is stored and held, the step board can be stored and held in the dead space on the front wall side of the packing box which does not obstruct the tilting operation of the packing box and the load, and the step board can be removed smoothly and easily. Engagement and disengagement workability can be improved. Moreover,
The holding and holding of each holding member on the front wall side of the packing box by the securing belt makes it possible to make the holding and holding of the upper holding member and the lower holding member compact when removing the step board, and to make the loading platform effective. The space can be expanded.

[0015]

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

FIG. 11 to FIG. 14 show a lorry using a walking board storage device according to an embodiment of the present invention, 1 is a chassis of a vehicle V connected to the rear of a cabin C, and SC is on the chassis 1. Sub-chassis provided in the sub-chassis S
The tilting frame 3 pivotally supported at the rear end of the horizontal axis 2a so as to be tiltable around the horizontal axis 2a is a packing box slidably supported in the front-rear direction with respect to the tilting frame 2. The packing box 3
A front wall 3a formed at a height substantially coincident with the cabin C;
And right and left side walls 3 formed at a height approximately half of the front wall 3a.
b, 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 a lower end thereof, and a floor 3e on which luggage can be mounted. Consists of

A distal 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 central portion of the tilting frame 2, and further connected to the distal 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 tilting state, and when the lift cylinder 4 is contracted, the tilting frame 2 is in a falling 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 expanding / contracting operation of the telescopic cylinder 6 causes the packing box 3 to move with respect to the tilting frame 2. It is designed to slide. However, when loading / unloading the luggage to / from the packing box 3, the packing box 3 can be smoothly loaded and unloaded. The lift cylinder 4 is extended so as to be at an angle, and in this state, the telescopic cylinder 6 is extended and the packing box 3 is slid backward with respect to the tilting frame 2 so that the load approaching the ground surface can be obtained. The cargo is loaded and unloaded from the rear end of the box 3.

Further, at the left and right positions of the rear end of the packing box 3, the rear end of the packing box 3 approached to the ground surface by the extension of the lift cylinder 4 and the telescopic cylinder 6;
A pair of left and right walking boards 11, 11 which are bridged between the ground and the ground
Is provided. Each step board 11 has one end 11a formed at an acute angle in a side view so as to minimize the difference with respect to the ground surface, and the rod-shaped provided at the rear end left and right positions of the packing box 3. And the other end portion 11b having an engagement groove 12 having a substantially semicircular cross section that can be engaged with the engagement portions 10, 10.

As shown in FIGS. 1 to 3,
At the left and right positions of the front wall 3 a of the packing box 3,
A step board storage device 21 (only the left side of the vehicle body will be described since it has the same configuration) for storing and holding the vehicle is provided. The step board storage device 21 is provided on the front wall 3a of the packing box 3.
A substantially U-shape is provided so as to be rotatable around an axis extending in the vehicle width direction, and to hold the one end 11a side of the step board 11 from above the front wall 3a of the packing box 3 from the rear of the vehicle body. The upper holding member 22 and the lower part of the front wall 3a of the packing box 3 are rotatably provided around an axis extending in the vehicle width direction. The other end 11b side of the step board 11 is located in front of the packing box 3. A substantially U-shaped lower holding member 23 holding the lower part of the wall 3a from the rear of the vehicle body;
A securing belt 24 is provided between the upper holding member 22 and the lower holding member 23 to fasten the upper holding member 22 and the lower holding member 23. In addition, the lower holding member 23 has a rearward projecting amount of the upper holding member 22.
Is slightly larger than

As shown in FIGS. 4 to 6, the upper holding member 22 has a front part 33 fastened and fixed by bolts 31 and nuts 32 to the upper part on the left side of the front wall 3a.
a and a pair of left and right upper brackets 33, 33 each having a substantially U-shaped cross section and having protruding pieces 33b, 33b protruding rearward from the left and right ends of the front surface thereof. A bolt member 34 and a nut member 35 which are respectively inserted through the left and right ends of the upper holding member 22 slidably inserted therebetween from the vehicle width direction.
To enable the upper holding member 22 to rotate about 180 ° around the bolt member 34 with respect to the front wall 3a. In this case, the nut 32 is a weld nut fixed to the rear surface of the front portion 33a of each upper bracket 33.

On the other hand, as shown in FIGS. 7 to 9, similarly to the upper holding member 22, the lower holding member 23 is provided with a bolt 41 and a nut 4 on the upper left position of the front wall 3a.
2, each lower bracket 43 having a substantially U-shaped cross section having a front surface 43a fastened and fixed by two and having protruding pieces 43b, 43b, and both protruding pieces 4 of each lower bracket 43.
A bolt member 44 and a nut member 45 are respectively inserted through the left and right ends of the lower holding member 23 slidably inserted between the members 3b from the vehicle width direction. Each lower bracket 43 is integrally provided with a connecting piece 43c that connects the lower ends of both protruding pieces 43b, and is provided above the connecting piece 43c with respect to the front wall 3a of the lower holding member 23. About 90 ° about the bolt member 34. In this case, the nut 42 is also a weld nut fixed to the rear surface of the front portion 43a of each lower bracket 43.

As shown in FIG. 10, the securing belt 24 is formed so as to be stretched between the upper holding member 22 and the lower holding member 23, for example, a width 40.
Nylon cloth belt body 51 mm in length and 2000 mm in length
A belt buckle 53 fixed to one end of the belt body 51 and having a buckle pin 52 inserted into belt holes 51a,... Provided at predetermined intervals on the other end side of the belt body 51; It has. in this case,
The step board 11 removed from the left end position of the rear end of the packing box 3 is stored on the front wall 3a side from the side (side walls 3b, 3c) of the packing box 3.

In FIG. 1, reference numeral 54 denotes a guide panel for protecting the baggage from falling into the cabin C from the upper end of the front wall 3a of the packing box 3 when the baggage is loaded and 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 and unloading of the packing box 3 is completed, as shown in FIG.
By rotating the lower holding member 23 downward, the lower bracket 4
The lower holding member 23 is held in a substantially horizontal state by abutting the lower holding member 23 against the third connection piece 43c. Thereafter, by inserting the one end 11a side of the step board 11 through the lower holding member 23 in the horizontal state, the one end 11a side of the step board 11 is held from the rear of the vehicle body with respect to the lower part of the front wall 3a of the packing box. Carry. Next, the step board 11 is erected along the front wall 3 a of the packing box 3, and the upper holding member 22 is rotated from above with respect to the other end 11 b side of the step board 11, and the other of the step board 11 is The end portion 11b is held by the upper portion of the front wall 3a of the packing box 3 from behind the vehicle body. Thereafter, the securing belt 24 is stretched between the upper holding member 22 and the lower holding member 23, and the upper holding member 22 and the lower holding member 23 are relatively rotated to obtain a sufficient tension. The buckle pin 52 of the belt buckle 53 is inserted into the belt hole 51a of the belt body 51 at the set position.
The upper holding member 22 and the lower holding member 2
Secure 3 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 and holding of the step boards 11 on the front wall 3a side of the packing box 3 are completed.

On the other hand, from the front wall 3a side of the packing box 3,
When removing the buckle pin 5 of the belt buckle 53
2 is released from the belt hole 51a of the belt body 51 to loosen the securing belt 24, and the securing by the relative tension of the upper holding member 22 and the lower holding member 23 is released, and the securing belt 24 is moved upward. Remove from between the holding member 22 and the lower holding member 23. Next, the upper holding member 22 is pivoted upward with respect to the other end 11b of the step board 11 to hold the upper portion of the front wall 3a of the packing box 3 at the other end 11b of the step board 11 from behind the vehicle body. Then, the lower holding member 23 is pivoted downward to release the holding of the lower part of the front wall 3a of the packing box 3 on the one end 11a side of the step board 11 from behind the vehicle body.
And the step board 1 removed from the rear end right position of the packing box 3
1 also completes the removal of the steps 11 from the front wall 3a side of the packing box 3 through the same process.

After the step board 11 has been removed, a securing belt 24 extends between the upper holding member 22 and the lower holding member 23 around the upper holding member 22 and the lower holding member 23. The upper holding member 22 and the lower holding member 23
Is rotated relatively to a position where a sufficient tension is obtained (FIG. 3).
Buckle pin 52 of the belt buckle 53
Is inserted into the belt hole 51a of the belt body 51, and the upper holding member 22 and the lower holding member 23 are fastened by the tension of the fastening belt 24, and the packing box 3 falls down to the front wall 3a side. The storage and holding of the upper holding member 22 and the lower holding member 23 are completed.

Thus, the step board 11 does not need to arrange and hold the engaging member together with the step board under the rear end of the packing box while avoiding interference with a suspension device, a rear wheel, and the like. The walking boards 11, 11 can be stored and held in a dead space on the side of the front wall 3a of the packing box 3 which does not hinder the luggage without hindering the possible tilting operation of the packing box 3.

Moreover, the walking plates 11, 11 are each
The front wall 3a of the packing box 3 by the lashing belts 24 and 23
The stowed plate 11 is stored and held in the upright state on the side, so that the worker performs the engaging / disengaging operation with the engaging member in a cramped posture bent down below the rear end of the packing box. Can be smoothly and easily performed, so that the workability of engaging and disengaging the steps 11 can be improved.

In addition, the upper holding member 22 and the lower holding member 23 when the step board 11 is removed are stored and held on the front wall 3a side of the packing box 3 by the tie-down belt 24 in a falling state. The upper holding member 22 and the lower holding member 23 at the time of removal are compactly stored and held, and the effective space of the carrier 3 can be enlarged.

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 walking board storage device may be applied to the front wall side of the packing box that can only tilt with respect to the chassis.

In the above embodiment, the tie-down belt 24 is constituted by the belt member 51 made of nylon cloth and the belt buckle 53. However, the belt member made of rubber having sufficient tension is used.
A securing belt may be configured by detachable hooks provided at both ends of the belt body.

[Brief description of the drawings]

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

FIG. 2 is a plan view of the walking board storage device on the left side of the vehicle body in a state where the walking board is stored as viewed from above the vehicle body.

FIG. 3 is a side view of the walking board storage device in each holding member storage state as viewed from the left side of the vehicle body.

FIG. 4 is a plan view of the upper holding member.

FIG. 5 is a plan view of the vicinity of the upper bracket on the left side when viewed from above the vehicle body.

FIG. 6 is a side view of the vicinity of the upper bracket on the left side as viewed from the side of the vehicle body.

FIG. 7 is a plan view of the vicinity of a lower bracket on the left side as viewed from above the vehicle body.

FIG. 8 is a side view of the vicinity of the lower bracket on the left side as viewed from the side of the vehicle body.

FIG. 9 is a rear view of the lower bracket as viewed from the rear of the vehicle body.

FIG. 10 is a perspective view of a securing belt.

FIG. 11 is a side view of the packing box in a lying state.

FIG. 12 is a diagram corresponding to FIG. 11 in a tilted state.

FIG. 13 is a view corresponding to FIG. 11 in a sliding state after tilting.

FIG. 14 is a perspective view of the vehicle viewed obliquely from the rear in a sliding state after the packing box is tilted.

[Description of Signs] 1 chassis 3 packing box 3a front wall 11 walking plate 11a one end (one end) 11b other end (other end) 21 walking plate storage device 22 upper holding member 23 lower holding member 24 securing belt

Claims (1)

(57) [Scope of request for utility model registration] Claims 1. A truck having a luggage loaded on a chassis and a luggage loaded and unloaded via a step board spanned between a rear end of the luggage and the ground. Upper holding means provided rotatably about an axis extending in the vehicle width direction at an upper part of the front wall of the packing box, and holding one end side of the step board with respect to the upper part of the front wall of the packing box from the rear of the vehicle body. A member and a lower portion of the front wall of the packing box are rotatably provided around an axis extending in the vehicle width direction, and the other end of the step board is held by the lower portion of the front wall of the packing box from the rear of the vehicle body. A lower holding member, and a securing belt that is bridged between the upper holding member and the lower holding member, and that secures the upper holding member and the lower holding member. While the step board is stored and held on the front wall side of the packing box by the holding members and the securing belt, the holding members are fixed when the step board is removed. A stepboard storage device for a lorry, wherein the buckle belt is stored and held on the front wall side of the packing box in a lying state.