JP2574249Y2 - Drain cock operating device for vehicle air tank - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drain cock operating device for an air tank for a vehicle such as a bus.

[0002]

2. Description of the Related Art In vehicles such as buses and trucks, an air tank is mounted to supply air to an air brake, an air suspension and the like. This air tank is provided at the lower part of the vehicle body, and is connected to a compressor, and is also connected to an air brake, an air suspension, and the like by piping.

[0003] A drain cock is provided below the air tank so that drain water accumulated in the air tank can be drained. That is, the conventional drain cock is configured as shown in FIGS.

That is, a drain cock main body 2 is fixed to a lower portion of the air tank 1, and a cock (not shown) is built in the drain cock main body 2. By pushing a pin 3 projecting from the drain cock main body 2, The cock is opened, and drain water collected at the bottom of the drain tank 1 is drained from the drain pipe 4.

A projecting piece 5 is provided on the drain cock body 2, and an intermediate portion of a drain cock lever 6 is rotatably supported by a pivoting shaft 7 on the projecting piece 5. The pressing portion 8 at the tip of the drain cock lever 6 faces the pin 3, and a through hole 9 is formed at the end. The drain cock lever 6 is urged in the direction of arrow a by an urging spring (not shown).

[0006] One end of an operation wire 10 is connected to the through hole 9 of the drain cock lever 6. This operation wire 10 is connected by inserting one end of the operation wire 10 through the through hole 9.
After that, it is folded back and folded in a loop shape, and the loop portion 10a is fixed by caulking with a caulking tube 11.

[0007] As shown in FIGS. 7 and 8, the operation wire 10 is provided with a guide pipe 13,
Is extended to the side portion 14 of the vehicle body 12 through the inside thereof, and the side portion 14 of the vehicle body 12 is connected to a finger hanging ring 15 as an operation unit.

Accordingly, when a finger is hung on the finger hook ring 15 and the operation wire 10 is pulled, the drain cock lever 6 is rotated about the pivot shaft 7 in the direction of arrow b, and its pressing portion 8
The pin 3 protruding from the drain cock main body 2 is pushed. The cock of the drain cock body 2 is opened, and the drain water collected at the bottom of the drain tank 1 is drained from the drain pipe 4.

As described above, when the drain water accumulated in the air tank 1 is drained, the drain cock main body 2 located at the lower portion of the vehicle body 12 can be remotely operated. When the finger is released from the finger hook ring 15, the drain cock lever is released. 6 is rotated in the direction of arrow a by the urging force of the urging spring, and the pin 3 projects to close the cock.

[0010]

However, when the drain cock main body 2 breaks down and is replaced or removed for repair, the operation wire 10 is connected to the drain cock lever 6 of the drain cock 2, and the operation wire 10 The loop portion 10a is fixed by caulking with a caulking tube 11.

Therefore, the loop portion 1 of the operation wire 10
It is necessary to disconnect the drain cock main body 2 from the air tank 1 after cutting off the drain cock 0 a and the operation wire 10. However, when the loop portion 10a of the operation wire 10 having the determined length is cut, the operation wire 10
Cannot be reused, and eventually, it is necessary to replace each operation wire with a new one, and replacement and removal of the drain cock main body 2 is troublesome for repair, and the operation wire 10 can be reused. Is uneconomical.

This invention has been made in view of the above-mentioned circumstances, and its purpose is to easily replace or remove the drain cock main body for repair and to reuse the operation wire economically. It is an object of the present invention to provide a drain cock operating device for a vehicular air tank.

[0013]

According to the present invention, in order to achieve the above-mentioned object, a drain cock lever for opening and closing a drain cock is rotatably provided on a drain cock main body, and a wire is rotated on the drain cock lever. An operation unit having a wire hooking member that is freely hooked and detachably screwed and fixed, one end of an operation wire is connected to the wire hooking member, and the other end is provided on a side portion of the vehicle body. Connected to.

[0014]

[Function] When replacing or removing the drain cock body and repairing it, if the wire hooking member is removed from the drain cock lever, the operation wire can be removed from the drain cock lever, and after the drain cock body is attached to the air tank ,
The operation wire can be connected to the wire retaining member.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described hereinafter with reference to the drawings.

1 to 3 show a first embodiment.
A through hole 16 is formed at the end of the drain cock lever 6 of the drain cock main body 2, and a stepped bolt 17 as a wire retaining member is inserted into the through hole 16.

The stepped bolt 17 comprises a hexagonal head 18 and a shaft portion 20 having a screw portion 19.
At the base end of the wire 0, a wire hooking portion 21 having a diameter larger than that of the through hole 16 is provided.
Are formed. When the stepped bolt 17 is inserted into the drain cock lever 6, the wire hooking portion 21 contacts one surface of the drain cock lever 6, and the head 1
8, a gap 22 is formed.

Further, the gap 22 between the head 18 and the drain cock lever 6 is formed slightly larger than the diameter of the operation wire 10, and the head 18 is formed larger than the loop portion 10a of the operation wire 10. I have.

Therefore, the stepped bolt 17 is removed from the through hole 16 of the drain cock lever 6 and
With the loop portion 10a of the operation wire 10 fitted to
On the opposite side of the drain cock lever 6, a nut 24 is screwed into the screw portion 19 via a washer 23.
By tightening 4, the operation wire 10 is connected to the drain cock lever 6 by the stepped bolt 17.

When the operation wire 10 is connected to the drain cock lever 6 in this manner, the loop portion 10a of the operation wire 10 is rotatable around the wire hook 21 of the stepped bolt 17, and Cock lever 6
No bending force is applied to the operation wire 10 at the time of turning.

According to the drain cock operating device constructed as described above, when the operation wire 10 is pulled by putting a finger on the finger hook ring 15 provided on the side portion 14 of the vehicle body 12, the step fitting with the loop portion 10a is performed. The drain cock lever 6 is pulled via the bolt 17, and the drain cock lever 6 rotates about the pivot shaft 7 in the direction of arrow b, and the pressing portion 8
The pin 3 protruding from the drain cock main body 2 is pushed. The cock of the drain cock body 2 is opened, and the drain water collected at the bottom of the drain tank 1 is drained from the drain pipe 4.

When the drain cock body 2 is removed for replacement or repair, the nut 24 is loosened, the stepped bolt 17 is removed from the through hole 16, and the loop portion 10 a of the operation wire 10 is removed from the wire hooking portion 21. By extracting, the drain cock lever 6 and the operation wire 10 are separated.

In this state, the drain cock main body 2 is removed from the air tank 1 and replaced with a new drain cock main body 2 or the repaired drain cock main body 2 is attached to the air tank 1. After attaching the drain cock main body 2, the loop portion 10 a of the operation wire 10 is attached to the wire hooking portion 21.
Is screwed into the screw portion 19 via the washer 23 on the opposite side of the drain cock lever 6, and by tightening the nut 24, the operation wire 10 is connected to the drain cock by the stepped bolt 17. Connected to lever 6. Therefore, the drain cock main body 2 can be easily replaced and repaired, and the operation wire 10 can be reused.

FIG. 4 shows a second embodiment in which a through hole 16 is formed at the end of the drain cock lever 6 of the drain cock main body 2, and the through hole 16 serves as a wire retaining member. The connection piece 25 is fixed by a fixing bolt 26 and a nut 27. The connection piece 25 has a distal end projecting from the drain cock lever 6, and a through hole 28 into which the loop 10 of the operation wire 10 is inserted and connected is formed in this projection.

Therefore, when removing the drain cock main body 2 for replacement or repair, the nut 27 is loosened, the fixing bolt 26 is pulled out from the through hole 16, and the connection piece 25 is removed from the drain cock lever 6, whereby the drain cock is removed. The cock lever 6 and the operation wire 10 are separated.

In this state, the drain cock main body 2 is detached from the air tank 1 and replaced with a new drain cock main body 2, or the repaired drain cock main body 2 is attached to the air tank 1. After attaching the drain cock main body 2, the connection wire 25 is fixed to the drain cock lever 6 by the fixing bolt 26 and the nut 27, so that the operation wire 1 is fixed.
0 is connected to the drain cock lever 6. Therefore,
The drain cock body 2 can be easily replaced and repaired, and the operation wire 10 can be reused.

[0027]

[Effects of the invention] As described above, according to the invention, the drain cock lever and the operation wire can be easily separated when the drain cock body is replaced or removed and repaired, and the drain cock body is replaced or repaired. is easy, there is an effect that the operation wire also Ki de be reused, it is economical.

[Brief description of the drawings]

FIG. 1 is a plan view of a drain cock operating device according to a first embodiment of the present invention.

FIG. 2 is a side view of the drain cock operating device of the embodiment.

FIG. 3 is a longitudinal sectional side view showing part A of FIG. 2 in an enlarged manner.

FIG. 4 is a vertical sectional side view showing a part of a drain cock according to a second embodiment of the present invention.

FIG. 5 is a plan view of a conventional drain cock operating device.

FIG. 6 is a side view of a conventional drain cock operating device.

FIG. 7 is a bottom view of a conventional vehicle.

FIG. 8 is a plan view of a conventional operation unit.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Air tank, 2 ... Drain cock main body, 6 ... Drain cock lever, 10 ... Operation wire, 15 ... Finger hanging ring (operation part), 17 ... Stepped bolt (Wire hooking member), 25 ... Connection piece (Wire hooking) Element).

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B60T 17/00 F16T 1/34

Claims (1)

(57) [Scope of request for utility model registration] 1. A drain cock operating device for a vehicle air tank provided at a lower portion of an air tank mounted on a vehicle body for draining drain water accumulated in the air tank, the drain cock being rotatably provided on a drain cock body. A drain cock lever that opens and closes, and is detachably screwed and fixed to this drain cock lever to lock the wire rotatably.
A wire hooking member, and an operation wire arranged at a lower portion of the vehicle body, one end of which is connected to the wire hooking member and the other end of which is connected to an operation portion on a side portion of the vehicle body. Drain cock operation device for vehicle air tank.