JPH0544468Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a truck loading door stopper rubber mounting structure.

(Prior art) The loading platform of a truck has a loading platform door around it, and this loading platform door has two positions: an upright position for transporting the loaded items, and a vertical position for loading and unloading the loaded items. It is pivotally supported on the loading platform by a door hinge so as to be rotatable outward between the folded down position and the hanging state. And, on this loading platform, for example,
As disclosed in No. 56-10618, a stop rubber is provided to prevent the loading platform door from directly impacting the loading platform when the loading platform door is rotated from the upright position to the collapsed position.

However, in the stop rubber mounting structure shown in the above-mentioned Utility Model Publication No. 56-10618, the door hinge and the stop rubber are provided in separate positions in the vertical direction, so the offset load that the hinge receives from the cargo platform door is large. There was a problem.

(Purpose of the invention) The present invention was devised in view of the above-mentioned conventional problems, and its purpose is to reduce the offset load on the hinge, improve the rigidity, and further improve the rigidity of the loading platform. The purpose of the present invention is to provide a structure for attaching a stopper rubber to a truck bed door.

(Structure of the invention) The door stopper rubber mounting structure of the truck loading platform according to the present invention allows the loading platform door to be attached to the loading platform.
A hinge part that is rotatably supported between an upright position where it is almost upright and a collapsed position where it is almost hanging down, and a stop rubber that extends downward from this hinge part and is fixed to the circumferential surface of the loading platform in the vertical direction. a mounting portion; a stop rubber attached to the outer surface of the stop rubber mounting portion; and a stop rubber that comes into contact with the cargo platform door and acts as a buffer when the cargo platform door rotates from the upright position to the collapsed position; and the stop rubber mounting portion. and an extension part that is bent and extends almost horizontally from the lower end toward the inside of the loading platform, and is fixed to the lower inside of the loading platform, and when viewed as a whole,
The present door stopper rubber attachment structure is coupled across the vertical circumferential surface of the loading platform and the inner lower portion of the loading platform.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

FIG. 1 shows the appearance of a stop rubber mounting body according to an embodiment of the present invention, and FIG. 2 shows the stop rubber mounting body installed on a cargo platform.

In Figures 1 and 2, the stop rubber mounting body 3
4 has a hinge portion 36, and the loading platform door 24 is rotatably supported by the hinge portion 36. A stop rubber attachment portion 38 is formed extending downward from the hinge portion 36 .
holds the stop rubber 32 on one side 38a, and the other side 38b holds the side set body 22 of the loading platform.
Fixed. For this purpose, the stop rubber mounting portion 38 is formed with a stop rubber mounting hole 38c and side set body mounting holes 38d and 38e.

Therefore, the hinge portion 36 and the stop rubber attachment portion 38, ie, the stop rubber, are arranged close to each other in the same row in the vertical direction, so that the offset load on the hinge portion 36 can be alleviated.

Lower end portion 38f of the stop rubber attachment portion 38
An extension part 40 is formed extending substantially perpendicularly from the carrier, and the extension part 40 is arranged to face the lower surface of the floor 20 of the loading platform. The extension part 40 has a substantially right-angled isosceles shape, the oblique side part 40a of the extension part 40 is bent upward, and the central part 40b of the extension part 40 is pressed into a convex shape. The oblique side portion 40a and the center portion 40b allow the extension portion 4
0. Therefore, the stop rubber attachment body 34 will be reinforced.

A fixing portion 42 is formed extending substantially perpendicularly from one side 40c of the extension portion 40, and the fixing portion 42 includes:
It is fixed to a cross body 44 in the horizontal direction below the floor 20 of the loading platform. Note that the fixing part 42 has two fixing pieces 4.
2-1, 42-2, fixed pieces 42-1, 42
-2 will be fixed to the cross body 44. The mounting surfaces 44 of the cross body 44 have different heights.
In order to fix the fixing pieces 42-1 and 42-2 to a and 44b, the fixing pieces 42-1 and 42-2 have different heights.
is set higher than the fixed piece 42-2. In addition, the mounting holes 42- of the fixed pieces 42-1 and 42-2 are
1a, 42-2a are formed in the shape of a long hole, and a part thereof is open, so that the fixing pieces 42-1,
42-2 can be easily adjusted and fixed to the cross body 44.

Therefore, since the hinge portion 36, the stop rubber attachment portion 38, the extension portion 40, and the fixing portion 42 are integrally formed, it is possible to reduce the cost and further improve the manufacturing accuracy of the stop rubber attachment body 34. I can do it. Further, the rigidity of the stop rubber attachment body 34 itself can be improved, and furthermore, since the stop rubber attachment portion 38 is bonded and fixed to the side set body 22 and the fixing portion 42 is bonded and fixed to the cross body 44, the side set body 2
2 and the cross body 44, and the rigidity of the loading platform can be improved.

Next, the attachment of the stop rubber attachment body 34 to the loading platform will be explained based on FIG. 2.

In FIG. 2, an angled side set body 22 is fixed to the floor 20 of the loading platform, that is, one end 22a of the side set body 22 is fitted and fixed in a notch 20a of the floor 20. The stop rubber attachment part 38 extending downward from the hinge part 36 is fixed to the side set body 22, that is, by using the side set body attachment holes 38d, 38e of the stop rubber attachment part 38, the screws 46-1, 46- 2, the stop rubber attachment portion 38 is screwed and fixed to the side set body 22. Further, the extension part 40 extends to the lower surface of the floor 20, a fixing part 42 extends from the extension part 40, and a cross body 44 is fixed to the lower surface of the floor 20. The fixing part 42 is fixed to the cross body 44, that is, the fixing pieces 42-1, 4
Using the mounting holes 42-1a and 42-2a of 2-2, fix the fixing piece 42 with screws 48-1 and 48-2.
-1 and 42-2 are fixed to the cross body 44 with screws. Further, a hinge portion 50 is protruded and fixed below the loading platform door 24, and the loading platform door 24 is pivotally supported on the side set body 22 by the hinge portion 50 and the hinge portion 36 of the stop rubber attachment body 34. As a result, the loading platform door 24
can rotate in the directions of arrows B and C relative to the side set body 22.

Next, the attachment of the stop rubber 32 to the stop rubber attachment portion 38 will be explained.

In order to reduce the impact between the loading platform door 24 and the side set body 22 when the loading platform door 24 is rotated in the direction of arrow B, a stop rubber 32 is attached to the mounting portion 38, and the stop rubber 32 has a substantially rectangular parallelepiped shape. This is due to the following reason.
In other words, the stop rubber 32 is made longer in the front-rear direction so that the lower part of the loading platform door 24 comes into contact with the stop rubber 32 and the amount of contact surface is increased.

When the stop rubber 32 is attached to the mounting portion 38, it is necessary to prevent the stop rubber 32 from rotating. As described above, the stop rubber attachment portion 38 is fixed to the side set body 22 by screws 46-1 and 46-2, and in the embodiment, the heads of the screws 46-1 and 46-2 are set to prevent rotation. It is used as. That is, the mounting surface 32a of the stop rubber 32 has a mounting hole 32.
In addition to b, anti-rotation recesses 32c and 32d are formed, and the stopper lever 32 is prevented from rotating by engaging the anti-rotation recesses 32c and 32d with the heads of the screws 46-1 and 46-2. Ru.

Therefore, when attaching the stop rubber 32 to the attachment part 38, as shown by arrow D, the attachment hole 32b of the stop rubber 32 and the attachment part 38 are
The stop rubber 32 is screwed and fixed to the mounting portion 38 using a screw (not shown) using the stop rubber mounting hole 38c. At this time, arrow E,
As shown by F, the anti-rotation recesses 32c, 32
d engages with the screws 46-1 and 46-2, thereby preventing the stop rubber 32 from rotating and tightening the stop rubber 32 at one location. Note that the locking recesses 32c and 32d are formed to release the screws and prevent them from rotating, but when molding the stop rubber 32, molding tools are inserted into the locking recesses 32c and 32d, which improves heat conduction. , it also has the effect of lowering the machining tact. Further, in the embodiment, the stop rubber 32 having a substantially rectangular parallelepiped shape is tightened and fixed to the mounting portion 38 at one place, but the stop rubber 32 can also be made into a disc shape.
It is also possible to tighten and fix in place. and,
FIG. 3 shows a state in which the stop rubber 32 is attached to the mounting portion 38, and it can be understood from FIG. 3 that the stop rubber 32 is tightened and fixed at one location.

In addition, FIG. 4 shows a loading platform to which the stop rubber attachment body of the embodiment is applied, and FIGS. 5 and 6 show the following:
A cross section of the attached state is shown, and FIG. 7 shows a cross section of the corner portion of the loading platform. In addition, in FIG. 4, the loading platform 10 has a left loading platform door 1 around it.
2, a rear loading platform door 14 and a right loading platform door (not shown). FIGS. 5 and 6 show the installation conditions for wide-low and high-floor vehicles, respectively, and from FIGS. 5 and 6, it is possible to better understand the installation conditions using the stop rubber attachment body of the embodiment. . That is, the stop rubber attachment part 38 is fixed to the side set body 22 with screws, the fixing part 42 is fixed to the cross body 44 with screws, and the cargo platform door 24 is fixed to the stop rubber attachment body 34 by the hinge parts 36 and 50.
It is rotatably supported in the directions of arrows B and C relative to the shaft. Further, the stop rubber 32 is fixed to the mounting portion 38 by a screw 52, and the stop rubber 32 is prevented from rotating by the head of the fixing screw 46 between the mounting portion 38 and the side set body 22.

(Effects of the invention) As explained above, according to the invention, the hinge part, the stop rubber mounting part, and the extension part are integrally formed, so it is possible to reduce the cost, and furthermore, the manufacturing cost of the stop rubber mounting body can be reduced. Accuracy is improved. Further, since the hinge portion and the stop rubber attachment portion, that is, the stop rubber are arranged close to each other in the same line in the vertical direction, it is possible to alleviate the offset load on the hinge portion.

Furthermore, according to the present invention, the rigidity of the stop rubber attachment body itself can be improved, and furthermore, the connection between the peripheral surface of the loading platform and the lower part of the loading platform, and in the embodiment, the connection between the side set body and the cross body can be strengthened. I can,
This makes it possible to improve the rigidity of the loading platform.

[Brief description of the drawings]

Fig. 1 is an external perspective view of a stop rubber mounting body according to an embodiment of the present invention, Fig. 2 is an external perspective view showing a state in which the stop rubber mounting body of the embodiment is attached to a loading platform, and Fig. 3 is a perspective view of a stop rubber mounting body according to an embodiment of the present invention. Fig. 4 is an external perspective view showing the installed state, Fig. 4 is an external perspective view showing a loading platform to which the stop rubber attachment body of the embodiment is applied, and Fig. 5 is the - of Fig. 4.
FIG. 6 is a cross-sectional view taken from FIG. 4, and FIG. 7 is a cross-sectional view taken from FIG. 4. 22... Side set body, 24... Loading platform door,
32... Stop rubber, 34... Stop rubber attachment body, 36... Hinge part, 38... Stop rubber attachment part, 40... Extension part, 42... Fixing part, 44... Cross body, 50... Hinge part.

Claims (1)

[Scope of Claim for Utility Model Registration] A hinge part that rotatably supports the loading platform door relative to the loading platform between an upright position where it is almost upright and a laid down position where it is almost hanging down; a stop rubber attachment part that extends and is fixed to the circumferential surface of the loading platform in the vertical direction; and a stop rubber attachment part that is attached to the outer surface of the stop rubber attachment part, and that when the loading platform door is rotated from the upright position to the collapsed position, the loading platform door a stop rubber that comes into contact with the stop rubber and acts as a shock absorber; and an extension part that extends from the lower end of the stop rubber attachment part in a substantially horizontal direction toward the inside of the loading platform and is fixed to the lower inside of the loading platform, coupled across the vertical circumferential surface of the loading platform and the inner lower part of the loading platform;
Truck loading door stopper rubber mounting structure.