JP2000108954A - Sheet shutter device for freight vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shutter device for a freight vehicle easily operated to open/close and low in opening/closing sound without inconvenience caused by wind and infiltration of wind and rain. SOLUTION: In this shutter device for a freight vehicle, a waterproof sheet member 11 is slid to be freely pulled out and enclosed at an opening part of the freight vehicle, and slip-off stop parts are arranged at both side parts in the sliding direction of the waterproof sheet member 11. These slip-off stop parts are slidable in the slip-off stopped state in the groove of a guide rail 12 provided at the freight vehicle, and a bottom bar part 13 is disposed at the pull-out end of the waterproof sheet member 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat shutter device for a freight vehicle. More specifically, the invention of this application relates to a seat shutter device for a freight vehicle that can be easily opened and closed, has low noise at the time of opening and closing, and can prevent intrusion of wind and rain, and a freight vehicle equipped with this device. Things.

[0002]

2. Description of the Related Art Conventionally, cargo vehicles such as trucks have been provided with an openable / closable storage box for storing cargo on a cargo bed or the like. A metal shutter is attached. Further, a sheet shutter made of a tent cloth or the like can be opened and closed left and right or up and down instead of the metal shutter.

However, in the case of a conventional metal shutter, there is a problem that not only the weight of the shutter member itself is large and the labor burden of the opening and closing operation is large, but also the noise at the time of opening and closing is large. On the other hand, a sheet material using a tent cloth or the like that allows the opening to be freely opened and closed does not have the above-described drawbacks. Since it is necessary to prevent blocking, the operation is troublesome, and furthermore, the invasion of wind and rain cannot be sufficiently prevented, and there is a drawback that the wind flies and falls off in some cases.

Accordingly, the invention of this application solves the above-mentioned drawbacks in the case of the conventional shutters and opening / closing sheet materials for freight vehicles, allows easy opening / closing operation, reduces noise at opening / closing, and It is an object of the present invention to provide a new freight vehicle shutter device in which invasion of wind and rain does not cause inconvenience due to wind.

[0005]

Means for Solving the Problems The present invention is intended to solve the above-mentioned problems. First, a shutter device for a freight vehicle, wherein a waterproof sheet material is provided at an opening of the freight vehicle. Is slidable so that it can be pulled out and stored, and a retaining portion is disposed on both sides in the sliding direction of the waterproof sheet material. The retaining portion is retained inside a groove of a guide rail provided on the cargo vehicle. A seat shutter device for a cargo vehicle, characterized in that the seat bar device is slidable in a state where the bottom bar portion is disposed at a drawn-out end of the waterproof sheet material.

In the invention of this application, secondly, the waterproof sheet material is a cloth or resin sheet subjected to waterproof treatment,
Or the above-mentioned sheet shutter device for a cargo vehicle which is a laminated sheet having a waterproof layer on the outermost surface, thirdly, a top bar portion is arranged at an end of the waterproof sheet opposite to the drawer end, The top bar portion is provided with a sheet shutter device for a freight vehicle to which a belt or a wire capable of being freely wound up and pulled out from the winding shaft is connected. The opposite end of the waterproof sheet is a sheet shutter device for a freight vehicle that is attached and fixed to a take-up shaft. Fifth, the bottom bar and the guide rail have openings formed by pulling out the waterproof sheet. One of the seat shutter devices for a cargo vehicle provided with a lock mechanism for fixing the position of the bottom bar portion in the closed state. Sixth, the bottom bar portion has a closing cushion portion. The vignetting by Cargo vehicle seat shutter device, the seventh, the guide rails also provides a sheet shutter device for cargo vehicles drain hole is provided.

Eighth, the invention of this application also provides a freight vehicle on which the seat shutter device of any of the first to seventh inventions is mounted.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The invention of this application has the features as described above, but the embodiments will be described below with reference to the drawings, and the embodiments of the invention will be described in more detail.

[0009]

FIG. 1 shows an example of a truck as a freight vehicle. A metal box-shaped storage is provided on a cargo bed portion of the truck. The seat shutter device (1) of the present invention, which can be freely opened and closed, is disposed in the opening of the storage.

The seat shutter device (1) can be freely pulled out and stored upward. A waterproof sheet material (11) and guide rails (12) arranged on both sides thereof are provided. The waterproof sheet material (11) is pulled out downward, the opening is closed, and conversely,
The opening is opened by being pulled upward and absorbed.

FIGS. 2A and 2B are cross-sectional views showing a structural example of the seat shutter device in a fully closed state and a fully opened state. For example, in the example of FIGS. 2A and 2B,
The waterproof sheet material (11) is made of, for example, a fabric or resin sheet waterproofed with resin or the like, or a laminated sheet having a resin or metal foil as a waterproof layer on the outermost surface. A bottom bar portion (13) is provided at a drawer end at a lower end of the waterproof sheet material (11).
A top bar (14) is provided at an upper end opposite to the drawer end.

The bottom bar portion (13) and the top bar portion (14) can be made of relatively rigid metal, for example, aluminum or resin rods or pipes. Then, as exemplified in FIGS. 2A and 2B, the top bar portion (14) is wound around a winding shaft (15) (pipe or rod) and is wound from the winding shaft (15). A belt or a wire (16) which can be freely pulled out is connected.

In the example of FIGS. 2A and 2B, the wire (1)
As 6) is wound on the winding shaft (15), the waterproof sheet material (11) together with the top bar portion (14) to which the wire (16) is connected first move upward along the guide rail (12). , And further horizontally, and the opening is fully opened as shown in FIG. Conversely, when the waterproof sheet material (11) is pulled out together with the bottom bar portion (13), the fully closed state shown in FIG.

In the fully opened state of FIG. 2B, the waterproof sheet material (11) is stored in a horizontal slide storage portion (17) provided on the roof or the like of the storage, for example. Instead of the method of winding the wire (16) or the belt as described above, the seat shutter device (1) of the present invention is used.
In the above, the end of the waterproof sheet (11) is attached to and fixed to the winding shaft at a position corresponding to the top bar portion (14) of the waterproof sheet (11), and the waterproof sheet material (11) is wound on the winding shaft. And the wound waterproof sheet material (1
The structure of drawing out 1) may be adopted.

However, in the case of a system in which a wire (16) or a belt is wound around a winding shaft (15) as shown in FIGS. 2A and 2B, a system in which a waterproof sheet material (11) is wound directly. As compared with the above, the torque for winding and pulling out may be small, and the opening and closing operation of the shutter can be performed more easily with a smaller force. Of course, in any case, compared to the case of the conventional metal shutter, the weight is light and the opening / closing operation is extremely easy due to the waterproof sheet material (11).

In any of the above-mentioned types of winding, the structure for driving the winding shaft and for pulling out and storing the waterproof sheet material (11) may be based on electric conduction using a motor device. Alternatively, it may be performed by a mechanical operation via a gear mechanism or the like. Further, winding using the elastic force of a coil spring provided in the winding shaft (15) and manual pulling out May be adopted.

FIG. 3 is a horizontal sectional view of an essential part illustrating a retaining portion (18) provided at a side end of the waterproof sheet material (11) and a retaining mechanism by the retaining portion. Retaining part (1
8) may be, for example, an arrangement of a fastener member or a similar projection row, that is, a configuration in which the projections are attached to the side end of the waterproof sheet material (11) at predetermined intervals. Alternatively, the retaining portion (18) may be a stipple attached at a predetermined interval or a flexible resin or rubber rod or pipe attached.

However, in any case, the retaining portion (18) is provided in a groove provided in the guide rail (12) and does not come off from the groove. In the example of FIG. 3, the inner rail (2) is provided in the groove of the guide rail (12) together with the spring plate (19).
0) is disposed, and the retaining portion (18) is in the groove of the inner rail (20) so as not to come out of the slit. And this inner rail (20) is arrange | positioned so that there may be some play in the guide rail (12) groove | channel. This play is a spring plate (19)
When the waterproof sheet material (11) is distorted or tilted together with the presence of the water-absorbing sheet material (11), the distortion and inclination are absorbed, and the waterproof sheet material (11) is smoothly slid up and down.

For example, the guide rail (12) is made of an aluminum material, the spring plate (19) is made of stainless steel, and the inner rail (20) can be made of a resin material such as polycarbonate. FIG. 4 shows a bottom bar portion (13).
It is sectional drawing which illustrated the vicinity. In the bottom bar portion (13), a retaining guide (2
1) is provided, and a rubber cushion portion (22) for closing is provided at the lower end thereof.

Although illustration is omitted,
The bottom bar portion (13) and the guide rail (12) are provided with a lock mechanism for fixing the position of the bottom bar portion (13) when the opening is closed by pulling out the waterproof sheet (11). The guide rail (12) may be provided with a drain hole.

Since rainwater descends in the groove of the guide rail (12), providing this drainage hole at the lower end thereof is an effective drainage means. The above example is shown in FIG.
Although the above description has been made on the case where the shutter device is of the up / down opening / closing type for the truck storage, the present invention is not limited to this. The freight vehicle may be provided at the position of the opening / closing door, at the inside thereof, or may be used as a mounting container, not only in a large-sized or small-sized truck but also in a van-type passenger car, for example. Further, not only the arrangement of the waterproof sheet material of the vertical and vertical slides, but also the inclined, horizontal, and curved opening and closing may be adopted.

[0022]

As described in detail above, according to the invention of this application, since the waterproof sheet material can be slidably opened and closed, its weight is light, its operation is easy, sound generation is small, and it is prevented from falling off. Since the structure is slidable, waterproofness can be ensured without inconvenience due to the intrusion of wind and rain.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a truck as an example.

FIGS. 2A and 2B are cross-sectional views illustrating a fully closed state and a fully opened state.

FIG. 3 is a main part horizontal sectional view illustrating the vicinity of a retaining portion;

FIG. 4 is a vertical cross-sectional view of a main part illustrating the vicinity of a bottom bar part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seat shutter device 11 Waterproof sheet material 12 Guide rail 13 Bottom bar part 14 Top bar part 15 Take-up shaft 16 Wire 17 Horizontal slide storage part 18 Retainer 19 Spring plate 20 Inner rail 21 Retainer guide 22 Rubber cushion

Claims (8)

[Claims] A shutter device for a freight vehicle, comprising:
At the opening of the cargo vehicle, the waterproof sheet material is slid so that it can be pulled out and stored, and a retaining portion is arranged on both sides in the sliding direction of the waterproof sheet material,
The retaining portion is slidable inside the guide rail groove provided in the cargo vehicle in a state where it is retained, and a bottom bar portion is disposed at a drawer end of the waterproof sheet material. Shutter device for freight vehicles. 2. The freight vehicle seat shutter device according to claim 1, wherein the waterproof sheet material is a waterproofed fabric or resin sheet, or a laminated sheet having a waterproof layer on the outermost surface. 3. A top bar portion is disposed at an end of the waterproof sheet opposite to the drawer end, and the top bar portion has
2. A belt or a wire, which is freely wound on the winding shaft and pulled out from the winding shaft, is connected.
Or 2) a sheet shutter device for a freight vehicle. 4. The freight vehicle seat shutter device according to claim 1, wherein an end of the waterproof sheet opposite to the drawer end is attached and fixed to a winding shaft. 5. The bottom bar and the guide rail are provided with a lock mechanism for fixing the position of the bottom bar when the opening is closed by pulling out the waterproof sheet. Seat shutter device for cargo vehicles. 6. The freight vehicle seat shutter device according to claim 1, wherein a closing cushion portion is provided on the bottom bar portion. 7. The seat shutter device for a cargo vehicle according to claim 1, wherein a drain hole is provided in the guide rail. 8. A freight vehicle equipped with the seat shutter device according to claim 1.