JP3325815B2 - Attachment structure for panels in the loading / unloading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading / unloading device installed at the rear or side of a truck such as a lorry, and more particularly to a panel or the like which is attached to the back of the loading trolley and displays advertisements, instructions, etc. Mounting structure.

[0002]

2. Description of the Related Art In general, a truck or the like having a loading / unloading device is configured to store the loading tray upright at the rear or side of a packing box. A panel or the like that displays an advertisement or instruction manual is attached. The panel mounting structure is such that a nut plate is slidably fitted in a mounting groove formed on the back surface of the loading tray, and a mounting bolt inserted into the mounting hole of the panel is screwed into the bolt hole of the nut plate to receive the panel. It is designed to be fixed to the back of the table.

[0003] By the way, generally, a load receiving table formed by integrally connecting a plurality of molded blocks is provided with side covers fixed to both side edges thereof to prevent each molded block from shifting in the left-right direction. For this reason, when the side cover is fixed, both sides of the mounting groove are closed. Therefore, when assembling the load receiving table, the nut plate is incorporated into the mounting groove before fixing the side cover.

[0004]

However, if it becomes necessary to mount the panel after the work of assembling the receiving tray, there is a problem that the workability is poor because the side cover must be detached and the nut plate must be assembled. . Further, even if the panel needs to be mounted at the beginning of the assembly, the panel may not be required thereafter. In this case, loosen the mounting bolts to release the screw from the nut plate and remove the panel from the loading tray.At this time, remove the nut plate from the mounting groove because both sides of the mounting groove are closed by the side covers Can not. For this reason, there is a problem that when the vehicle travels with the panel removed, the nut plate slides in the mounting groove and hits the side cover to generate an impact sound.

Accordingly, the present invention provides a mounting structure for a panel or the like in a loading / unloading device, which makes it possible to easily and easily remove a panel or the like and eliminate the generation of an impact sound during traveling.

[0006]

SUMMARY OF THE INVENTION The present invention is directed to a load receiving stand which is provided at a rear portion or a side portion of a vehicle body so as to be able to be moved up and down by a drive means as appropriate, and is connected to a plurality of molding blocks. In the lifting / lowering device including the fixed side cover, a mounting groove formed in the molding block, the opening formed in the back surface of the molding block in the left-right direction, and a fitting portion wider than the opening, A mounting plate having a width narrower than the opening, a width wider than the opening, and a thickness smaller than the height of the fitting portion; and a panel or the like screwed to the mounting plate to mount a panel or the like on the back surface of the loading tray. It is characterized by comprising connecting means capable of being fixed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a lorry,
The truck 1 has a cargo box 4 having a carrier 3 on a body 2. At the rear of the vehicle body 2, a loading tray lifting device 5 for loading and unloading luggage to the loading platform 3 is provided.
It is arranged through. The loading tray elevating device 5 has a pair of left and right parallel members so that a pair of left and right elevating frames 7 can be moved up and down between a highest position (a dashed line in FIG. 1) and a lowest position (ground position) while maintaining a constant posture. A first hydraulic cylinder 9, which is driving means for driving the lifting frame 7 up and down, is provided between at least one of the parallel link mechanisms 8 and the mounting frame 6, supported by a link mechanism 8. Further, a rectangular plate-shaped loading tray 10 is pivotally supported by each of the left and right lifting frames 7 so as to be rotatable between a standing storage position (solid line in FIG. 1) and a protruding position (dashed line in FIG. 1). In addition, a second hydraulic cylinder 11 that raises and lowers the load receiving table 10 is interposed between the load receiving table 10 and the lifting frame 7.

As shown in FIG. 6, the receiving table 10 comprises a plurality of forming blocks 12 formed by extruding a light alloy material such as an aluminum alloy, and the adjacent forming blocks 12 are connected to a female connecting portion 13 and a male connecting portion. It is integrally connected on one plane by coupling with the connecting portion 14. Side covers 15 each having a U-shaped cross section for preventing the respective molding blocks 12 from shifting in the left-right direction are provided on both left and right side edges of the receiving table 10, and tapping bolts 17 are provided in mounting holes 16 formed in the respective molding blocks 12. It is fixed at.

Each of the molding blocks 12 has a mounting groove 18 having a concave cross section over the entire length in the longitudinal direction during extrusion molding.
Are formed. As shown in FIG. 3, the mounting groove 18 has an opening 19 opened on the back surface of the molding block 12 and a width D2 wider than the width D1 of the opening 19, and has a rectangular cross-sectional structure integrated with the bottom surface of the molding block 12. And the upper part of the fitting part 20 is formed with a rib 21 through a molding block 1.
2 are integrally joined to the upper surface.

A molding block 1 is provided on the back side of the receiving table 10.
A pair of left and right reinforcing support members 22 for reinforcing the load receiving table 10 connected by 2 are fixed. The reinforcing support member 2
6 to 8, the nut plate 23 is fitted into each of the mounting grooves 18 and the reinforcing support member 2 is fixed.
A mounting bolt 25 inserted into one mounting hole 24 is screwed to the nut plate 23 to be fixed to the back surface of the load receiving table 10.

The receiving table 1 between the pair of reinforcing support members 21
A panel 26 on which an advertisement is displayed can be fixed to the back surface of the device. As shown in FIGS. 2 to 5, the fixing structure of the panel 26 is such that a bolt hole 28 is formed in a mounting plate 27 fitted in the mounting groove 18, and the bolt hole 28 is formed in the mounting hole 29 of the panel 26. The mounting bolt 30 as a connecting means inserted is screwed.

The mounting plate 27 is formed in a rectangular plate shape, and its width D3 is formed smaller than the width D1 of the opening 19, and its thickness T is formed smaller than the height H of the fitting portion 20. And the mounting plate 27 is
And can be inserted into the fitting portion 20. The length L in the longitudinal direction of the mounting plate 27 is
When the mounting plate 27 is inserted into the fitting portion 20 and then rotated, the mounting plate 27 abuts on the lower surface of the fitting portion 20 so that the mounting plate 2
7 does not come off the opening 19.

Further, tapered surfaces 31 are formed on both right and left ends of the mounting plate 27. When the mounting plate 27 is rotated, the tapered surfaces 31 abut on both side walls of the fitting portion 20 to form the mounting plate 27. It is designed to regulate rotation. In this embodiment, the mounting structure of the panel displaying the advertisement has been described. However, a panel or the like displaying an instruction manual or the like also has the same operation and effect.

Further, in this embodiment, the mounting plate is formed in a rectangular plate shape, but it is sufficient that the mounting plate can be inserted through the opening and does not come off from the opening by rotating at the time of insertion. Furthermore, in the present embodiment, the mounting plate is formed with a bolt hole and screwed with the mounting bolt, but the mounting plate is provided with the mounting bolt so as to be screwed with a nut having a bolt hole. Is also good.

The operation of the present invention having the above-described configuration will now be described. While the lorry 1 is traveling, the loading tray 10 is in the upright storage position as shown by the solid line in FIG. When lowering the load on the loading platform 3 to the ground from this state, the second hydraulic cylinder 11 is operated to lower the loading platform 10 from the standing storage position to the overhanging extension position (the dashed line in FIG. 1), The upper package is moved to the receiving platform 10. After that, the loading tray 10 is lowered to the ground position by the operation of the first hydraulic cylinder 9, and the load on the loading tray 10 is lowered to the ground. When loading the luggage on the ground onto the carrier 3, the procedure is reversed.

When the panel 26 is mounted on the back surface of the loading table 10 in a state where the loading table 10 is in the upright storage position, first, mounting bolts 30 are passed through the mounting holes 29 of the panel 26, and the tip end of each mounting bolt 30. Is screwed into the bolt hole 28 of the mounting plate 27. In this state, the panel 26 is disposed between the reinforcing support members 21 on the back surface of the loading table 10. Next, rotation adjustment is performed together with the mounting bolt 30 and the mounting plate 27,
When the longitudinal direction of the mounting plate 27 is arranged so as to be substantially parallel to the edge of the opening 19 as shown by the dashed line in FIG. 4, the mounting plate 27 is inserted into the fitting portion 20 from the opening 19.
Then, when the mounting bolt 30 is rotated, the mounting plate 2
7 rotates together with the mounting bolt 30, and when the tapered surface 31 abuts against the side wall of the fitting portion 20, the rotation of the mounting plate 27 is regulated and the bolt hole 28 is fixed. Can be screwed into. At this time, since the longitudinal direction of the mounting plate 27 having the length L wider than the width D1 of the opening 19 is located in the front-rear direction of the fitting portion 20, the mounting plate 27 is not detached from the opening 19. .

When the mounting bolt 30 is further rotated, the rotation-restricted mounting plate 27 is drawn toward the opening 19 and abuts against the lower surface of the fitting portion 20, and the panel 26 is connected to the back surface of the loading table 10 and the mounting bolt 30. And is fixed to the back surface of the loading tray 10. Thus, when the panel 26 is mounted on the receiving table 10, the mounting plate 27 having the bolt holes 28 is inserted from the opening 19, and the mounting bolts 30 are screwed into the bolt holes 28 to fix the panel 26. Therefore, there is no need to attach and detach the side cover 15, and the work of attaching the panel 26 can be performed easily and easily. Further, since the mounting plate 27 can be inserted into the mounting groove 18 while being screwed to the mounting bolt 30, the mounting operation can be performed quickly.

Next, when the panel 26 is to be removed from the loading tray 10, first, the mounting bolts 30 are rotated in the opposite direction. Then, the mounting plate 27 rotates together with the mounting bolt 30 in the reverse direction, and the locked state between the tapered surface 31 and the side wall of the fitting portion 20 is released. Then, when the mounting plate 27 is rotated so that the longitudinal direction of the mounting plate 27 is substantially parallel to the edge of the opening 19 as shown by the dashed line in FIG. It can be removed from. In this state, after removing the panel 26 together with the mounting plate 27 from the back surface of the loading table 10, the mounting bolts 3
0 is further rotated in the reverse direction to release the screw engagement with the bolt hole 28,
The mounting bolt 30 and the mounting plate 27 are removed from the panel 26.

As a result, when the panel 26 is removed from the loading table 10, the mounting plate 27 fitted to the fitting portion 20 is used.
Can be removed from the opening 19, so that it is possible to prevent the generation of an impact sound during traveling. Further, since the mounting plate 27 can be removed together with the mounting bolts 30, the panel 26 can be easily and easily removed. Further, in the present embodiment, the panel 26
Since the mounting groove 18 for mounting is also used as the mounting groove of the reinforcing support member 21, it is not necessary to newly form a mounting groove, and it can be manufactured at low cost. The panel 26 can be mounted not only on the side cover 15 but also on the reinforcing support member 21.
Work can be performed without any obstacles even if is present.

[0020]

As described above, according to the present invention, the mounting groove formed in the receiving table is formed by the opening formed on the back surface of the molding block constituting the receiving table and the fitting portion wider than the opening. The mounting plate fitted in the mounting groove is formed to have a width narrower than the opening, a length wider than the opening, and a thickness smaller than the height of the fitting portion, and the mounting plate is fitted from the opening. It is inserted into the joint, and the connecting means is screwed to the mounting plate to fix the panel etc. to the back of the loading table.Therefore, there is no need to detach and attach the side cover when installing the panel etc. Easy and easy to do.

When removing a panel or the like from the receiving table,
The mounting plate is detached from the opening with the mounting bolts screwed together, so it is possible to reliably prevent the mounting plate from being forgotten to be removed from the mounting groove, and to prevent the generation of impact noise during traveling. it can.

[Brief description of the drawings]

FIG. 1 is an overall view of a loading tray lifting device according to the present invention.

FIG. 2 is an AA diagram of FIG.

FIG. 3 is a sectional view taken along line BB of FIG. 2;

FIG. 4 is an enlarged view of a portion C in FIG. 2;

FIG. 5 is a perspective view showing a state when the panel is mounted according to the present invention.

FIG. 6 is a side view of the receiving table.

FIG. 7 is a sectional view taken along line DD of FIG. 6;

FIG. 8 is a sectional view taken along line EE of FIG. 7;

FIG. 9 is a sectional view taken along line FF of FIG. 6;

[Explanation of symbols]

 Reference Signs List 2 vehicle body 5 loading table lifting device 9 driving means 10 loading table 12 forming block 15 side cover 18 mounting groove 19 opening 20 fitting section 25 mounting bolt (connection means) 26 panel 27 mounting plate

Claims (1)

(57) [Claims] 1. A load receiving stand which is provided at a rear or side portion of a vehicle body by a driving means so as to be able to move up and down and is connected to a plurality of forming blocks, and a side cover fixed to both side edges of the load receiving stand. In the loading / unloading device, the mounting block is formed in the molding block, and has a mounting groove formed of an opening and a fitting portion wider than the opening on the back surface of the molding block, and a width narrower than the opening. A mounting plate having a width wider than the opening and a thickness smaller than the height of the fitting portion, and a connecting means capable of being screwed to the mounting plate to fix a panel or the like to the back surface of the loading tray. A mounting structure for panels and the like in a loading / unloading device.