JPH07132811A - Hand brake device for vehicle - Google Patents

Abstract

PURPOSE:To provide a attractive toggle type hand brake device for vehicle, with which a lever main body and the functional parts in the lever main body can be protected against rain water, etc. CONSTITUTION:In a toggle type hand brake device for vehicle, an opening part is formed on the lower front surface of an almost cylindrical lever main body 24, and a U-shape stopper holder 28 is provided on the opening part, while a stopper rubber 29 for regulating a brake lever 23 to a position of canceling brake by being abutted on the stopper plate 22 of a bracket 21, is fitted in and fixed to the stopper holder 28. The lower part of a grip 25 covering the upper part of the stopper main body 24 is extended downward, and a cover lid part 26 covering the lower part of a brake main body 24 is provided, and a structure is formed, in which the front end of the stopper rubber 29 is protruded to the surface of the cover lid part 26 out of a through hole 27 formed on the cover lid part 26.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handbrake device suitable for parking an industrial vehicle such as a forklift, and more particularly to a stopper mechanism for restricting a brake lever to a brake release position.

[0002]

2. Description of the Related Art As a parking handbrake device applied to a conventional forklift, a toggle type as shown in FIG. 5 is generally used. This toggle-type handbrake device is attached to, for example, a front protector 1, which is a part of a vehicle body frame. That is, a vertically long guide groove 3 is formed in the bracket 2 fixed to the front protector 1, and a hook 5 movably attached to the guide groove 3 via a guide pin 4 has a brake main body (not shown). The end portion of the cable 6 connected to is connected. The guide groove 3 is provided on the upper side of the bracket 2.
The lower end of the brake lever 7 is pin 1 at one point on the extension line of
The pivot plate 5 is rotatably pivoted by 0, and a substantially intermediate portion of the brake lever 7 in the axial direction and the hook 5 are connected to the link plate 1.
It is configured to be connected via 1.

Then, the brake lever 7 is pivotally operated from a brake release position (falling position) shown by a chain line to a brake operating position (standing position) shown by a solid line slightly beyond the dead center (DP). By pulling the hook 5 upward through the plate 11 and pulling the cable 6, a brake main body (not shown) is operated.
At this time, the brake lever 7 contacts the stopper pin 12 provided on the bracket 2 and is held at the brake operating position. When the brake lever 7 is rotated in the opposite direction beyond the dead point (DP) in order to release the brake,
The brake lever 7 is returned to the brake release position by receiving the restoring force of the return spring on the brake main body side. In order to absorb the impact force at this time, the bracket 2 has a buffer for contacting a part of the brake lever 7. The stopper rubber 13 for is set.

Further, in the toggle type handbrake device, the lever body 8 of the brake lever 7 is formed in a substantially cylindrical shape in order to adjust the fluctuation of the play caused by the elongation of the cable 6 and the wear of the functional parts. A clevis 14 in which the upper end of the link plate 11 is slidably fitted in the lever body 8.
The clevis 14 is connected to the clevis 14 by screwing the end of an adjusting screw 16 inserted from above the lever main body 8 into the clevis 14. The play is adjusted by moving the up and down direction. Furthermore, a resin or rubber grip 9 is attached to the upper portion of the lever body 8 of the brake lever 7 so as to cover it, thereby improving the grip feeling and improving the appearance. As an example of such a case, Japanese Utility Model Laid-Open No. 2-92759 can be cited.

[0005]

However, in the case of the above-mentioned conventional toggle type handbrake device, the brake lever 7 is located in the middle of the lever body 8 and slightly toward the lower part thereof, and the contact portion with the stopper rubber 13 of the bracket 2 is abutted. Due to the setting of, it is not possible to extend the grip 9 downward to cover it,
The lower side of the lever body 8 is left exposed.
Further, as shown in FIG. 6, the exposed portion of the lever main body 8 has a shape in which substantially U-shaped members are laid on each other, so to speak, it has a structure having slits 8a at the front and rear. Therefore, water droplets such as rainwater and cleaning water directly fall on the exposed portion of the lever body 8, and the water droplets flow into the lever body 8 through the slits 8a, and as a result, metal including the lever body 8 is caused. There is a possibility that rust may occur in the functional parts such as the clevis 14 and the link plate 11 that are made of steel, and the original smooth operation may be impaired. In addition, since the structure is exposed, there is a problem that the external appearance is significantly deteriorated. is there.

In view of the above problems, the present invention is to solve the problem to provide a vehicle handbrake device which can protect the lever main body and the functional components in the lever main body from water droplets and has a good appearance. Subject.

[0007]

In order to solve the above problems, the present invention is configured as follows. That is, the invention of claim 1 is a vehicle handbrake device in which a brake lever rotatably attached to a bracket includes a substantially tubular lever body and a grip provided on an upper portion of the lever body. A stopper for restricting the brake lever to the brake release position by abutting a stopper plate provided on the bracket is attached to the lower side of the lever body, and the lower side of the grip is extended downward to extend the lever. A cover lid portion is formed to cover a lower portion of the main body, and a through hole is formed in the cover lid portion so that a tip of the stopper protrudes from a surface of the cover lid portion.

According to a second aspect of the invention, in the vehicle handbrake device according to the first aspect, the stopper is a rubber member which is press-fitted into a recess of a stopper holder attached to the lever body.

[0009]

In the inventions of claims 1 and 2 configured as described above, since the lower portion of the lever main body is covered by the cover portion set in the grip to eliminate the exposed portion, it is possible to wash in the rain or when washing. The lever body and the functional parts inside the lever body are protected from water drops that occasionally fall,
The appearance is improved.

[0010]

Embodiments of the present invention will now be specifically described with reference to the drawings. The outline of the handbrake device according to the present embodiment is a toggle type handbrake device similar to that shown in FIG. That is, since the configuration for performing the brake operation and the release by rotating the brake lever is the same as that of the above-described related art, the same reference numerals as those shown in FIG. The description thereof will be omitted, and hereinafter, the stopper mechanism for restricting the brake lever to the brake release position, which is the main part of the present invention, and its related portions will be mainly described with reference to FIGS. 1 to 4.

The stopper mechanism for restricting the brake lever is
As shown in FIGS. 1 and 2, the stopper plate 22 is provided on the bracket 21 side and the stopper rubber 29 is provided on the brake lever 23 side as a stopper. Then, as shown in FIG. 3, the stopper plate 22 is welded so as to straddle the upper end surface of the bracket 21 formed of two plates facing each other at the front position of the pin 30, which is the rotation fulcrum of the brake lever 23. Has been done.

The brake lever 23 is a substantially cylindrical lever body 24 made of metal, and a resin or rubber grip attached to the lever body 24 so as to cover the entire lever body 24 and having a certain degree of flexibility. And 25. Specifically, the lever main body 24 is specifically formed in a substantially tubular shape on the upper side serving as an actual grip portion by the operator and having a cross-sectional shape such as a substantially rectangular shape, an elliptical shape or a circular shape, and on the lower side thereof, as shown in FIG. The front surface is open and both side surfaces are largely bulged forward.

That is, the lever main body 24 has a structure in which an opening 24a is provided on the lower front surface thereof, and the bulging portions of both side surface portions of the opening 24a, that is, the inner surface of the front side, is shown in FIG. As shown in, the stopper holder 28 having a substantially U-shape is attached by welding, and the stopper rubber 29 having a substantially rectangular block shape is press-fitted and fixed in the recess 28a of the stopper holder 28.

On the other hand, a resin or rubber grip 25 mounted on the lever main body 24 to improve the grip feeling has an upper part thereof tightly covered on the upper part of the lever main body 24 and a lower part thereof. The cover portion 2 is extended in a downward direction so as to wrap around the lower side of the lever body 24 and has a substantially skirt shape.
6 is composed. Then, the front side of the cover 26,
That is, a through hole 27 is formed in the surface of the lever body 24 corresponding to the opening 24 a, and the tip of the stopper rubber 29 projects from the through hole 27 onto the surface of the cover 26 and hits the stopper plate 22 of the bracket 21. Opposing so that they can touch. In the present embodiment, as shown in FIG. 2, the cover portion 26 of the grip 25 is shown to be spaced apart from both side surfaces of the lever body 24, but it may be configured to be in close contact with each other. It doesn't matter.

When the grip 25 is made of resin or rubber having a certain degree of flexibility, the stopper rubber 29 is assembled to the stopper holder 28.
4 can be performed prior to mounting the grip 25 on the
If the grip 5 is made of hard resin, after the grip 25 is attached to the lever body 24, the cover portion 26
It can be performed in a retrofitting form using the through holes 27 of FIG.

The handbrake device according to this embodiment is constructed as described above, and therefore, the brake lever 23 is moved from the brake release position (falling position) shown by the chain line in FIG. 1 to the dead point (DP). ), The hook 5 is pulled up through the link plate 11 to pull up the cable 6, and the brake main body (not shown) is activated. It At this time, the brake lever 23 is attached to the bracket 2
It is held in the brake operating position by abutting on the stopper pin 12 provided at 1.

On the other hand, when the brake lever 23 is rotated in the opposite direction beyond the dead point (DP) to release the brake, the brake lever 23 restores the restoring force of the return spring on the brake main body side. The brake lever 23 is returned to the brake release position, but at this time, the stopper rubber 29 comes into contact with the stopper plate 22 of the bracket 21 so that the brake lever 23 is restricted to the brake release position. Alleviated by 29.

However, in this embodiment, the stopper rubber 29
Is provided on the lever body 24 side, and the tip of the stopper rubber 29 is projected onto the surface of the cover lid portion 26 from a through hole 27 provided in the cover lid portion 26 of the grip 25 extended to cover the lever body 24. As a result, the entire lever main body 24 is wrapped by the grip 25 and the cover lid portion 26 as an extension thereof, so that it is effective for water droplets such as rainwater and cleaning water to flow into the lever main body 24 and the lever main body 24. To be prevented. Therefore, the lever body 24
In addition, it is possible to avoid rusting of the clevis 14, the link plate 11, etc., which are the functional parts in the lever body 24, and maintain a smooth operation.

Further, in this embodiment, since the lower side surface of the lever main body 4 is bulged more forward than the upper portion, which is the actual grip portion, when the lever is operated, the fingers are erroneously touched by the stopper plate 23 and the stopper rubber. It is possible to avoid the possibility of being pinched between 29 and 29.

In this embodiment, the stopper holder 28
However, the stopper 29 attached to the stopper holder 28 is not limited to rubber, and the shape of the stopper 29 is not limited to a rectangular shape. It doesn't have to be.

[0021]

As described in detail above, according to the present invention,
Since the grip can be extended downward and the entire lever body can be covered with the grip as well as the actual grip portion, it is possible to avoid water droplets directly falling on the lever body and the functional parts inside the lever body, and to prevent rusting. It is possible to prevent and maintain the original smooth function. In addition, since the design appearance of the brake lever is improved by extending the grip to cover the lever body, it is possible to enhance the appearance quality.

[Brief description of drawings]

FIG. 1 is a side view of a toggle type handbrake device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a detailed view of mounting a stopper plate.

FIG. 4 is an explanatory view of a stopper rubber attachment structure.

FIG. 5 is a side view of a conventional toggle-type handbrake device.

6 is a sectional view taken along line BB of FIG.

[Explanation of symbols]

 21 ... Bracket 22 ... Stopper plate 23 ... Brake lever 24 ... Lever body 25 ... Grip 26 ... Cover part 27 ... Through hole 28 ... Stopper holder 29 ... Stopper rubber

Claims (2)

[Claims] 1. A hand brake device for a vehicle, wherein a brake lever rotatably attached to a bracket comprises a substantially cylindrical lever body and a grip provided on an upper portion of the lever body. A stopper for restricting the brake lever to the brake release position by abutting a stopper plate provided on the lower side of the lever main body, and extending the lower side of the grip downward to lower the lower side of the lever main body. A handbrake device for a vehicle, wherein a cover lid portion is formed to cover, and a through hole is provided in the cover lid portion so that a tip of the stopper protrudes to a surface of the cover lid portion. 2. The vehicle handbrake device according to claim 1, wherein the stopper is a rubber member press-fitted into a recess of a stopper holder attached to the lever body.