JPS621776Y2 - - Google Patents

Description

[Detailed explanation of the invention] This invention has a shutter installed above the fan door of the truck bed, and when the fan door is pushed down, the shutter is pulled up and goes around the back of the ceiling, and when the fan door is raised, it is pulled down. This invention relates to a mechanism for pushing up a shutter in a loading platform with a shutter.

The present applicant previously developed a truck bed as shown in FIGS. 1 to 3. In this method, a shutter 3 is provided above the fan door 2 of the truck loading platform 1, and the lowermost end 3' of the fan door 2 and the shutter 3 are connected to each other by a connecting body such as a rope or wire, as shown in FIGS. 8 to 10. 4, the shutter 3 is pulled upward and goes around the back side of the ceiling 5 when the fan door 2 is folded down, and the shutter 3 is pulled down when the fan door 2 is raised.

According to this, there is an advantage that the shutter 3 can be moved up and down simply by opening and closing the fan door 2, but as shown in FIG. Shutter 3 is equipped with waterproof, dustproof, and soundproof packing 7.
When the fan door 2 is lowered to the top of the fan door 2 shown in Fig. 4, when trying to knock down the fan door 2, the seal 7 hits the bottom of the shutter 3 and the fan door 2 does not fall down, and the shutter 3 also does not rise. There's a problem.

To solve this problem, before folding the fan door 2, push up the shutter 3 a little so that the bottom of the shutter 3 separates from the seal 7. The present invention makes it possible to easily push up the shutter 3 with a small amount of force, and this will be described in detail below based on one embodiment shown in the drawings.

In Figures 1 to 3, 8 is the loading platform 1 of the truck.
A front plate 10, a ceiling 5, and a double-opening rear door 11 are attached to four pillars 9 erected at the four corners of a loading platform 1, and fan doors 2 are installed at the bottom of both sides, and above them Shutter 3 is installed.

The fan door 2 is attached to the loading platform 1 so as to be rotatable from the upright state shown in FIG. 1 to the downwardly hanging state shown in FIG. 3, similar to that of a normal truck. As shown in FIGS. 5 and 6, the shutter 3 is constructed by connecting a plurality of horizontally elongated shutter members 12 so as to be rotatable by a connecting member 13 such as a hinge. Moreover, as shown in FIG. 6, a horizontal V-shaped waterproof, dustproof, and soundproof packing 14 is attached to the lower shutter member 12 among the mutually connected shutter members 12. Wheel 1 protruding from the side of shutter 3
5 (FIG. 7) is arranged inside the rail 16 so that it can freely run up and down.

The gasket 7 (Fig. 4A, Fig. 11) is made of rubber and has the same length as the shutter member 12, and has a bent part 17 concave inwardly formed on its side surface, as shown in Fig. 4. The rotator 18 attached to the fan door 2 is locked to the receiver 19 of the shutter 3 so that the gasket 7 is easily crushed when the shutter 3 is brought into pressure contact with the fan door 2, and the crushed gasket 7 is clamped. Therefore, the fan door 2 and the shutter 3 are brought into pressure contact with each other.

Reference numeral 20 in FIGS. 11 and 12 is a push-up mechanism that is a feature of the present invention. This push-up mechanism 20
consists of a push-up movable body 21 that pushes up a receiving plate 3'' (FIG. 11) attached to the bottom surface of the shutter 3, and a drive body 22 that pushes up the push-up movable body 21.

The push-up movable body 21 has a rectangular tube-like lifting shaft 24 inserted into the cylinder 23 so as to be movable up and down, and the lifting shaft 24 is constantly pushed upward by a spring (not shown) housed in the cylinder 23. A push plate 25 is attached to the upper end of the elevating shaft 24.

The driver 22 is a push rod 2 that pushes the push plate 25 upward.
6, and a clamp 27 that moves the push rod 26 up and down.

The clamp 27 is the same as a commonly used clamp, and as shown in FIG. , support tube 3
1, a movable shaft 32 inserted so that it can be raised and lowered freely;
It consists of a handle 34 rotatably attached to a shaft 33 attached between support pieces 29 and 30, and two connectors 35 whose lower ends are attached to the handle 34 and whose upper ends are attached to the movable shaft 32. and mounting plate 28
is screwed to the rear surface 37 of the front-opening storage box 36, and the storage box 36 is mounted within a support 9 erected on the loading platform 1 as shown in FIG. An opening 50 is formed in the support 9 as shown in FIG. 11 so that the front surface of the storage box 36 is exposed to the outside, and the handle 34 can be operated from the opening 50. Further, a thread is formed at the upper end of the movable shaft 32 which can move up and down within the support tube 31, and a nut 38 is screwed into the upper end of the movable shaft 32, and the lower end of the pusher 26 is inserted into the receiving tube 39 provided on the nut 38. It's crowded.

Reference numeral 40 in FIG. 11 denotes a support tube attached to the support column 9 via a support piece 41, into which the tip of the pusher 26 is passed through so as to be movable up and down.

To use the present invention as described above,
First, as shown in Fig. 4B, remove the rotator 18 that locks the shutter 3 and fan door 2 from the receiver 19
Thereafter, the handle 34 of the clamp 27 may be rotated upward. As a result, the movable shaft 3 of the clamp 27
2 is pushed upward, and as a result, the push tool 26 inserted into the receiving tube 39 of the clamp 27 is also pushed up. When the push tool 26 is pushed up, its tip becomes the 11th
Push up the push plate 25 at the tip of the lifting shaft 24 shown in the figure,
As a result, the receiving plate 3'' is pushed up and the shutter 3
is pushed up by that amount, and as a result, the lower surface of the shutter 3 comes off from the seal 7 as shown in FIG. At this time, since the elevating shaft 24 is also pushed up by a spring (not shown) within the cylinder 23, the shutter 3 is easily pushed up with a small force. If you tilt the fan door 2 downward from this state, the bottom of the shutter 3 will not come into contact with the gasket 7 of the fan door 2, so the fan door 2
falls smoothly downwards.

When lowering the shutter 3, it is sufficient to leave the clamp 27 as it is or return it downward, and then raise the fan door 2.

As mentioned above, the present invention is designed so that the shutter 3 is pushed up a little before the fan door 2 is brought down so that the gasket 7 attached to it does not come into contact with the shutter 3 when the fan door 2 is brought down, making it easier to open the fan door 2. And it can be knocked down smoothly. Further, if the clamp 27 and a spring (not shown) in the cylinder 23 are used together as the driving body 22 for pushing up the shutter 3, the shutter 3 can be pushed up very easily with a smaller force.

Although the above description and drawings are for the case where the gasket 7 is attached to the top surface of the fan door 2, the gasket 7 may be attached to the bottom surface of the shutter 3.
Further, as the driving body 22 for pushing up the shutter 3, any suitable device other than a clamp may be used.

In FIG. 8, reference numeral 42 indicates a slack portion that leans against the end of the connecting body 4 on the fan door 2 side. This slack part 4
2, even if the bottom surface of the shutter 3 is in contact with the top surface of the fan door 2, if the fan door 2 is forcibly pulled down sideways, the shutter 3 can be removed without pushing up the shutter 3.
As shown in the figure, the fan door 2 can be tilted sideways by the slack portion 42. If the fan door 2 is pushed down a little as shown in FIG. 9, then the fan door 2 can be easily knocked down with little force, and the shutter 3 can be pulled up.

[Brief explanation of the drawing]

Figures 1 to 3 are schematic explanatory diagrams of the present invention, and Figure 4 is an explanation of the main parts showing the relationship between the fan door and the shutter.
A is a side view, B is a front view, FIGS. 5 and 6. A and B are explanatory diagrams of the connected state of the shutter, FIG. 7 is an explanatory diagram showing the relationship between the wheels of the shutter and the rail, and FIGS. FIG. 10 is an operational explanatory diagram showing the relationship between the shutter and the fan door, FIG. 11 is a schematic explanatory diagram of the main part of the present invention, and FIG. 12 is an explanatory diagram of the driving body in the present invention. 1 is a loading platform, 2 is a fan door, 3 is a shutter, 4 is a connecting body, 5 is a ceiling, 7 is a gasket, and 20 is a push-up mechanism.

Claims (1)

[Scope of claim for utility model registration] (1) Installing a support and a fan door on the truck bed,
A shutter is installed above the fan door so that it can move up and down freely, and the fan door and shutter are connected by a connecting body. When the fan door is knocked down, the shutter is pulled up and goes around the attic, and when the fan door is raised, the shutter is In a truck bed with a shutter that can be lowered, a push-up mechanism is installed on the support column, and when the handle is operated, the push-up mechanism pushes up the shutter until it leaves the fan door, and when the handle is operated in the opposite direction, it is lowered. A shutter lifting device for a truck bed equipped with a shutter. (2) A shutter lifting device for a truck bed with a shutter as set forth in claim 1 of the utility model registration claim, which comprises a gasket on both or one of the top surface of the fan door and the bottom surface of the shutter.