JPH0116706Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention is a fixing L-shaped lever (hereinafter referred to as L-shaped lever) for holding the rear plate of a truck in an upright or tilted state.
(referred to as a shape lever).

[Conventional technology]

Conventionally, this type of L-shaped lever has a shaft that is rotatably supported at the upper side of the rear plate of the loading platform.
A non-shaft part used as a handle part is bent at a substantially right angle, and when the rear plate is erected, it is engaged with and detached from a hook protruding from the rear end surface of the side plate of the cargo platform.

By the way, when transporting cargo such as wedding furniture that cannot fit on the loading platform by truck, the above-mentioned L-shaped lever is released from the hook protruding from the rear end surface of the side plate 3, and the rear plate 1 is moved as shown in FIG. The cargo which is laid down horizontally and protrudes from the loading platform 2 is supported by the rear plate 1. In this case, in order to hold the rear plate 1 horizontally, conventionally, the end of the chain 5 hooked on the hook 4 was hooked on a hook 6 provided on the rear plate 1 as shown in the figure.

However, according to this, since the rear plate 1 is only prevented from hanging down by the chain 5, the rear plate 1 is prevented from hanging down as shown by the imaginary line in the figure while the truck is running, especially when driving on rough roads. It bounced up and fluttered, causing damage to the cargo loaded on loading platform 2.

In addition, since the hook 6 of the rear plate 1 is generally provided in a cylindrical area that is slightly recessed from the side edge of the rear plate 1, the chain 5 is stretched around the lower end of the cargo in a sash-like manner. This often causes the cargo to rub against the chain 5, causing damage to the cargo.

[Purpose of invention]

The present invention was developed in view of the above circumstances, by extending the non-shaft part of the tip of the conventional L-shaped lever, so that when the rear plate is tilted horizontally, the tip part does not wobble against the hook of the side plate. By providing an L-shaped lever that can be engaged without any interference, the purpose is to eliminate the flapping of the rear plate while the truck is running and to prevent damage to the cargo loaded on the loading platform.

[Means to achieve the purpose]

In order to achieve the above object, the present invention improves the conventional L
The tip end shaft portion of the lever is extended to provide a bifurcated portion at its tip, and this bifurcated portion includes a pin that is engaged with and detached from the hook, and a U-shaped lever that swings around the pin and is engaged and detached from the hook. The gist is that the length of the non-shaft portion is approximately √2 times the length from the lower end of the rear plate to the L-shaped lever mounting position.

[Action and effect]

In the above means, the rear plate is tilted horizontally, the pin of the L-shaped lever is engaged with the hook of the side plate, and the U
When the metal fitting is fitted onto the hook, the L-shaped lever is connected to the hook without rattling due to the cooperation of the pin and the U-shaped metal fitting. Therefore, the tensioning action of the L-shaped lever prevents the rear plate from flapping while the truck is running. Furthermore, since the L-shaped lever extends directly to the rear of the side plate, the L-shaped lever does not rub against the cargo. moreover,
The length of the non-shaft part of the L-shaped lever is approximately √2 times the length from the bottom end of the rear plate to the L-shaped lever mounting position, so the non-shaft part has two sides, the side plate and the rear plate. Construct the hypotenuse of an isosceles right triangle. Therefore, the rear plate is supported horizontally, which is convenient for loading cargo. Since the present invention has the above effects, it is possible to achieve the above object.

Embodiments of the present invention will be described below with reference to the drawings.

〔Example〕

The L-shaped lever A illustrated in FIG. 1 includes a shaft portion 11 and a non-shaft portion 12 bent at a substantially right angle.
A pair of L-shaped levers A are provided on the left and right sides of the rear plate 1. The shaft portion 11 is rotatably supported by a bracket 21 protruding from the upper side end of the rear plate 1, and a spring 22 is interposed between the collar portion 13 provided at the end of the shaft portion 11 and the bracket 21. is constantly biased in the direction of arrow A. In addition, the non-shaft part 1
2 is an extension of the part that was used as the handle of a conventional L-shaped lever. This non-shaft portion 12
As shown in detail in FIG. 2, a bifurcated portion 14 is provided at the tip of the forked portion 14, and a pin 16 for swingably holding the U-shaped metal fitting 15 is provided on this bifurcated portion 14. The length of the non-shaft portion 12, that is, the length _L1 from the corner c of the L-shaped lever A shown in FIG. It is approximately √2 times _L2 . Note that the length from the lower end of the side plate 3 to the hook 4 is the same as the above-mentioned length _L2 .

In the above, the rear plate 1 is erected, the L-shaped lever A is pulled outward against the bias of the spring 22, and the shaft portion 11 is projected above the rear end surface of the rear plate 1 as shown in FIG. When the rear plate 1 is engaged with the attached hook 4, the rear plate 1 is held in an upright state.

Furthermore, when the non-shaft part 12 of the L-shaped lever A is held by hand from the state shown in FIG. It naturally retreats in the direction A and leaves hook 4. Next, as shown in FIG. 3, the rear plate 1 is laid down horizontally, and the tip of the non-shaft portion 12 is lifted to engage the pin 16 with the hook 4, and the U
When the metal fitting 15 is swung around the pin 16 and fitted into the hook 4, the L-shaped lever A is connected to the hook 4 without rattling, and the back plate 1 is prevented from flapping. In this case, as is clear from FIGS. 4 and 5, the portion of the pin 16 between the U-shaped fittings 15 is engaged with the hook 4;
It is securely held by the cooperation of the pin 16 and the pin 16.

Furthermore, as is clear from FIG. 3, the non-shaft portion 12 constitutes the oblique side of an isosceles right triangle whose two sides are the side plate 3 and the rear plate 1. Therefore, it is reliably supported horizontally.

When raising the rear plate 1 from the state shown in Fig. 3,
The U-shaped fitting 15 is swung around the pin 16 to separate it from the hook 4, and the pin 16 is removed from the hook 4.
1, and then lift the rear plate 1 to the state shown in FIG.

By the way, if the length of the non-shaft part is made approximately √2 times the length from the bottom end of the rear plate to the L-shaped lever mounting position, the length of the non-shaft part will become too long, and the rear plate will need to be placed horizontally. When folding down, the tip of the non-shaft part hanging down from the rear plate may hit the ground. If this happens, the rear plate will not fall straight down. In order to prevent this, it is effective to configure the non-shaft portion to be foldable.

FIG. 7 shows a center-folding type non-shaft portion 12.
That is, this non-shaft portion 12 is divided into a pair of divided non-shaft portions 12.
1,122, and the support shaft 123 provided in one divided non-shaft part 122 is connected to the other divided non-shaft part 12.
1 rotatably and slidably supported,
The other shaft portion 121 is provided with a recess 125 into which a convex portion 124 provided at the base of the support shaft 123 is inserted and removed.

According to this, when the rear plate 1 is folded down and the tip of the non-shaft part 12 hits the ground, the pair of divided non-shaft parts 121 and 122 are bent around the support shaft 123 as shown in FIG. Therefore, the non-shaft portion 12 does not get in the way when the rear plate 1 is tilted downward. At this time, the protrusion 124 has come out of the recess 125. In addition, when supporting the rear plate 1 horizontally with the non-shaft portion 12, as shown in FIG. 125 to make the non-shaft portion 12 unbendable.

FIG. 10 shows another embodiment of the center-folding type non-shaft part 12, in which a pair of split non-shaft parts 121, 1
22 are rotatably connected by a support shaft 123. An outer cylinder 126 is slidably fitted onto this connecting portion, and an engaging protrusion 1 at one end of the outer cylinder 126
27 is engaged with the receiving groove 128 of one of the split non-shaft portions 121. In this state, the pair of split non-shaft portions 121 and 122 are locked in a straight line without bending, but by sliding the outer cylinder 126 as shown by the dashed line, the engaging protrusion 12
7 is divided into the other receiving groove 12 of the non-shaft portion 121.
8', both split non-shaft parts 121,1
22 is rotatable around the support shaft 123, and exhibits the same hardening as the above-mentioned center-folding non-shaft portion.

[Brief explanation of the drawing]

Fig. 1 is a schematic perspective view showing the rear part of a truck bed equipped with an L-shaped lever according to an embodiment of the present invention;
The figure is a front view showing the tip of the non-shaft part, Figure 3 is a side view showing the case where the rear plate is supported horizontally, and Figure 4 is a partially cutaway side view showing an enlarged view of the main part of Figure 3. , FIG. 5 is a partially cutaway front view showing an enlarged view of the same essential parts, FIG. 6 is a side view showing a conventional example, FIG. 7 is an enlarged partial perspective view showing a bending type non-shaft part, and FIG. 9 is a schematic side view showing a state in which the non-shaft part is bent, FIG. 9 is a rear view showing a state in which the non-shaft part cannot be bent, and FIG. 10 shows another aspect of the bendable non-shaft part. FIG. 2 is an enlarged explanatory diagram of main parts. 1...Rear plate, 3...Side plate, 4...Hook, 11
... shaft part, 12 ... non-shaft part, 14 ... bifurcated part, 1
5...U-shaped metal fitting, 16...pin, A...L-shaped lever.

Claims (1)

[Scope of utility model registration request] An L-shape rotatably installed at the upper part of the side end of the rear plate of the truck loading platform, which can be tilted freely, and fixing the rear plate so that it cannot be tilted by engaging with a hook protruding from the rear end surface of the side plate of the loading platform. In the lever, the distal end side non-shaft part of this L-shaped lever is extended to provide a bifurcated part at the distal end, and the bifurcated part has a pin that is engaged with and disengaged from the hook, and a pin that swings around the pin and is attached to the hook. A loading platform for a truck, characterized in that the length of the non-shaft portion is approximately √2 times the length from the lower end of the rear plate to the L-shaped lever mounting position. L-shaped lever for fixing the rear plate.