JP4237577B2 - Work table in truck or trailer - Google Patents

Description

The present invention relates to a workbench truck or trailer. In particular, it is a workbench provided at the rear end of the bed of a truck or trailer, and when loading / unloading work in the warehouse, loads are sequentially loaded in the warehouse from the front to the rear until the last part of the bed The present invention relates to a workbench for temporarily creating a place for loading and unloading at the rear end of the load carrier floor when the worker has no place in the warehouse due to loading.

Conventionally, there are the following means for securing the present location when the location of the cargo handling worker disappears in the warehouse because the luggage is fully loaded in the warehouse of the vehicle.
(A) A vehicle rear work table is placed on the rear side of the vehicle. However, in this method, the working platform of the storage location of the problem, or there has been a problem that trouble the installation work.
(B) Moreover, although it should just work in the place with a platform in the back of a vehicle, there is not always a platform.
(C) Alternatively, a cargo handling device called a tailgate, which moves up and down the floor and the ground, may be mounted at the rear of the vehicle. However, this is expensive and heavy, so that the loading amount is reduced by the weight of the cargo handling device. Forced.
(D) Although it is conceivable that the rear door of the vehicle has a ramp way specification, the ramp way is a structure in which the ramp is brought down to the rear horizontal position and the horizontal position is maintained by a chain that is always installed. The chain gets in the way. This makes it impossible to use the standard rear door, which is uneconomical.
(E) passing plate used to eliminate the step between the rear portion of the vehicle and its rear platform is also conceivable, but the presence of the platform must always be to support the end of the transfer plate, if the platform is not It is dangerous for people to work on it.

In order to solve the problems such as the work platform, platform, tailgate, rampway, or crossing board as described above, the work platform is hinged further outside the rear door provided at the rear of the truck or trailer loading platform. At the bottom of the work table, a support member that can be expanded and contracted is provided, and this support member is attached so that it can be rotated in both the vertical and horizontal directions. In this way, there is known one in which a receiving member for receiving the end of a supporting member is provided on a rear lower frame (see Patent Document 1).

However, in this structure, the support member so free to rotate in the vertical direction, when using the platform, requires extra work such as the length adjustment of the mounting or support member of the support member, is very troublesome And it's dangerous.
Japanese Utility Model Hei 6-29928

The present invention is not attached to the outer side of the rear door of the vehicle as in the above-mentioned Patent Document 1 , and the work table is attached to the inner side (inside the warehouse) of the rear door of the vehicle so as to be rotatable up and down, and the work table is not used. When the rear door of the vehicle is closed, the work platform is hidden inside it so that it cannot be seen from outside. Thus at the time of non-use, apparently without completely changed the vehicle without workbench, be attached to the worktable, it is an object to avoid conflict whatever the length regulation of the vehicle which is determined by regulations.

The present invention is a workbench that is pivotally attached to the rear part of a truck or trailer bed, and is stored in an upright state inside a closed rear door when stored, and opened when used. After that, it is rotated to a horizontal position, and horizontally with a horizontal step provided at the top of the lower frame of the rear part of the track or trailer, and a support leg that is provided so as to be able to rotate downward under its own weight under its own weight. Supported,
Further, a supporting leg receiving member provided with a rotation preventing means for preventing the supporting leg from rotating downward at a predetermined angular position when in use, and having a lower end of the supporting leg provided outside a rear lower frame member of the track or trailer. It is comprised so that it may engage with.
The rotation preventing means is provided with an inclined surface having a predetermined angle at the top of a mounting plate provided at a mounting portion of the support leg to the work table, and the inclined surface is attached to the rear surface of the work table and is U-shaped for mounting the support leg. It is good to comprise so that it may stop, if it contacts the bottom face of a bracket.
It is preferable that the work table includes a rotation stop member such as a lock that is fixed to the rear side frame member of the truck or trailer when stored.
When the work table is rotated upward when the work table is stored, the support leg hangs under its own weight on the back surface of the work table, and when the rear door is closed, the support leg faces the cushioning material provided on the inner surface of the rear door. It is preferable to be housed in

In use , the work table of the present invention is horizontally supported by the horizontal step provided on the upper part of the rear lower frame member of the vehicle and the support legs provided on the work table that do not rotate more than a certain angle. It does not rotate below and can support the weight of the operator. In addition, when stowed, it is stored upright inside the closed rear door (inside the cabinet), so when not in use , the rear platform is closed so that the work table is not visible from the outside. Yes. Further, since it is housed inside the rear door, it does not touch the full length regulation of the vehicle.

Furthermore, even if the support leg is rotated by its own weight to the position at the time of use, the support leg is not rotated more than a predetermined angle by the rotation preventing means , so that the support leg is safe and the lower part of the support leg at the predetermined angular position. Can be automatically received by the support leg holder, so that the installation work is easy and the weight of the operator can be reliably supported.

FIG. 1 is a side sectional view showing a working table P according to an embodiment of the present invention in a state in which the work table P is stood upright and stored in a horizontal position.

In FIG. 1 , a work table P stored in an upright state inside the rear door 1 of the vehicle as shown in FIG. 11 is rotatably attached to the rear end of the cargo bed floor 3 of the vehicle by a hinge 2 . One hinge piece 2a of the hinge 2 is attached to the rear end of the cargo bed floor 3, and the other hinge piece 2b is attached to the base side of the work table P , respectively , and is configured to be rotatable around the core shaft 2c.

As shown in FIG. 10 , the hinge 2 prevents the work table P from shifting to the left and right because the space (gap) between the hinge pieces is small .

At the time of use, the work table P is supported on the horizontal step 4a (FIGS. 6 and 10) provided at the top of the rear lower frame member 4 of the vehicle, and does not rotate downward . In this state, the upper surface of the work table P and the upper surface of the cargo bed floor 3 are flush with each other.

A U-shaped bracket 6 (FIG. 7) is attached to the rear surface of the front end portion of the work table P, and an attachment plate 9 provided at the base of the support leg 5 is pivotally supported on the U-shaped bracket 6 so as to be vertically rotatable.

Specifically, the U-shaped bracket 6 is attached to the tip of the work table P with a fixing tool 7 (four bolts in the figure). Shaft bolt 8 is attached to the U-shaped bracket 6, and more to the shaft bolt 8, the mounting plate 9 which is fixed is pivotally supported on the base both sides of the support leg 5. As shown in FIG. 4, a washer 10 is inserted between the mounting plate 9 and the U-shaped bracket 6.

In FIG. 1, the support leg 5 is configured such that the angle θ formed with the work table P is constant in the horizontal state during use. In the illustrated example, the mounting plates 9 fixed to both sides of the base of the support leg 5 have a polygonal shape as shown in FIG. 8, and the inclined surface 11 facing the back surface of the work table P is the bottom surface of the U-shaped bracket 6. When it hits 12 (FIG. 7), it does not rotate downward. That is, the inclined surface 11 of the mounting plate 9 and the bottom surface 12 of the U-shaped bracket 6 constitute a rotation preventing means for preventing the downward rotation of the support leg 5 at a predetermined angular position during use.

The lower end of the support leg 5 has a structure that hits the stopper 13 when it rotates a predetermined angle θ. As shown in FIG. 9, the stopper 13 is fixed to a U-shaped support leg receiving bracket 14 (FIG. 5) fixed to the rear lower frame member 4. A stopper 13 integral with the support leg receiving bracket 14 constitutes a rear lower support leg receiving member with which the lower end of the support leg 5 is engaged. When the lower end of the support leg 5 hits the stopper 13, the support leg receiving round bar 15 prevents the upward rotation at the same time.
Note that the support leg support bracket 14 is attached to the rear lower frame member 4 so as to protrude further rearward than the outer surface of the rear lower frame member 4, but the extended end of the eaves 16 provided on the rear upper frame member of the vehicle as shown in FIG. Since it is inward from the outer edge, it does not increase the total length of the vehicle.

Returning to FIG. 1, a cushioning material 17 is attached to the inner lower portion of the rear door 1 . Thereby , it is considered that the rear door 1 is not damaged even if the support leg 5 comes into contact with the lower part of the inner surface of the rear door 1 when the work table P is stored and the rear door 1 is closed.

In Figure 1, in the state where the work platform P is accommodated upright, by inserting into a hole 19 in which a dropped lock 18 to the rear side frame member of the vehicle as shown in FIG. 2 (FIG. 3), the working The rotation of the table P is prevented.

The storage state in which the worktable of this invention stood up and the state at the time of use are shown. The front view of the work table seen from the back of vehicles . AA arrow sectional drawing of FIG. The enlarged view of the part shown by B of FIG. FIG. 2 is a detailed view of a portion indicated by C in FIG. 1. FIG. 2 is a detailed view of a portion indicated by D in FIG. 1. Detailed view of U-shaped bracket. Detailed view of support legs. Detailed view of work platform footrest. Detailed drawing of a worktable attachment part. The perspective view of a general van type vehicle.

Explanation of symbols

P work platform, 1 rear door, 2 hinges, 2a hinge piece, 2b hinge piece, 2c mandrel, 3 cargo bed floor, 4 rear lower frame material, 4a horizontal step, 5 support leg, 6 U-shaped bracket, 7 fixture , 8 shaft bolt, 9 mounting plate, 10 washer , 11 slope, 12 bottom of U-shaped bracket, 13 stopper, 14 support leg support bracket, 15 support leg support round bar, 16 eaves, 17 cushioning material, 18 drop lock, 19 Hole.

Claims (4)

A workbench pivotably attached to the rear of a truck or trailer bed,
When stowed, it is stowed upright inside the closed rear door, and when used, after opening the rear door, it is rotated to a horizontal position, and a horizontal step provided on the top of the rear lower frame member of the track or trailer; , Horizontally supported by a support leg that can be rotated downward by its own weight at the lower part near the tip of the workbench,
Moreover, the support leg receiving member engage with includes a rotation preventing means for preventing a downward rotation of the support leg at a predetermined angular position during use, and the lower end of the supporting leg is provided on the outside of the rear subordinate frame member A truck or trailer workbench characterized by being configured as described above. The rotation preventing means is provided with an inclined surface having a predetermined angle at the top of an attachment plate provided at an attachment portion of the support leg to the work table, and the inclined surface is used for attaching the support leg attached to the back surface of the work table. 2. The work table for a truck or trailer according to claim 1, wherein the work table is configured to stop by contacting the bottom surface of the U-shaped bracket. The work table for a truck or trailer according to claim 1, further comprising a rotation stop member (18) that is fixed to a rear frame member of the truck or trailer during storage. Said support leg (5), rotates the worktable upward when stored, suspended by its own weight on the rear surface of the work table, when closing the rear door (1), cushioning material (17 provided on its inner surface 2. A work table for a truck or a trailer according to claim 1 , wherein the work table is stored in opposition to (2) .

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