JPH0749165Y2 - Valve operating lever mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a valve operating lever mounting device.

<Prior Art> The present invention has, as its basic structure, a plurality of valve operating levers 1 as shown in FIGS. 1, 2, and 13, for example.
Is disposed on the lever support portion 8, and the plurality of valve operating levers 1 are rotatably supported on the support shaft 3 fixed to the lever support portion 8 via the respective boss portions 2.

The arrangement of the valve operating levers 1 is aligned with the operating sequence,
Generally, the driver operates the lift lever 1a, the tilt lever 1b, the rotary lever 1c, and the clamp lever 1d in this order. Therefore, the valve operating lever 1 is also sequentially operated from the driver side by the lift lever 1a, the tilt lever 1b, the rotary lever 1c, and the clamp. They are arranged in the order of lever 1d. In accordance with this, the arrangement of each section of the hydraulic control valve 10 is also arranged in the section for lift 10a, the section for tilt 10b, the section for rotation 10
c, section for clamp 10d.

However, depending on the user, the operation order of the valve operating lever 1 may be different from the ordinary order or may be changed during use, and the operation order of the valve operating lever 1 may be changed at the request of the user. .

For example, when it is desired to operate the tilt lever 1b, the rotary lever 1c, the clamp lever 1d, and the lift lever 1a in this order, conventionally, as shown in FIG. 13, the valve operating levers 1 are arranged in a row. , Rotary lever 1c,
The clamp lever 1d and lift lever 1a are changed in this order, and the sections of the hydraulic control valve 10 are arranged in line with this, and the tilt section 10b, rotation section 10c, clamp section 10d, and lift section are arranged.
It changed in order of 10a.

<Problems to be Solved by the Invention> However, the above-mentioned conventional techniques have the following problems.

(1) In order to change the arrangement of each section of the valve, it is necessary to reassemble each section of the valve, modify the pipes according to this combination, and reassemble the pipes. And is expensive to implement.

(2) It takes a long time to perform the work of reassembling each section of the valve and the work of reassembling the pipes, and the oil inside the valves and the oil inside the pipes leaks out, causing oil around the vehicle and workers. Be polluted.

The present invention aims to solve the above problems.

<Means for Solving the Problems> The present invention is configured to solve the above problems, for example, as shown in FIG.

That is, the connecting rod 4 is supported on the support shaft 3 in a state of being rotated concentrically with each boss portion 2, and the transmission member 5 for the boss portion is attached to at least one of each boss portion 2 and the connecting rod 4. The bosses 2 are detachably attached, and each boss 2 is rotated with the rotation of the connecting rod 4 in a state in which the transmission member 5 for the boss is attached. , The lever 6 for arranging the operation order can be arranged on the lever supporting portion 8 outside at least one of the valve operation levers located at both ends, and at least one of the lever 6 for changing the operation order and the connecting rod 4 A lever transmission tool 7 is attached to and detachable from the lever. With the lever transmission tool 7 attached, the connecting rod 4 is rotated in accordance with the rotation operation of the lever 6 for changing the operation sequence. 1 of the above bosses 2
The transmission tool 5 for the boss portion is attached to at least one of the two boss portions 2 and the connecting rod 4, and the lever 6 for changing the operation sequence is arranged on the lever support portion 8 to be connected to the lever 6 for changing the operation sequence. By attaching the lever transmission tool 7 to at least one of the rod 4 and the lever 6, the lever 6 for changing the operation sequence can be obtained.
The one boss portion 2 is configured to be rotated in accordance with the rotation operation of.

<Operation> Next, a procedure for changing the operation sequence of the valve operating lever 1 will be described.

For example, if the lift lever 1a, the tilt lever 1b, the rotary lever 1c, and the clamp lever 1d are arranged in this order on the lever support portion 8 from the driver side, the tilt lever 1b,
A case where the rotation lever 1c, the clamp lever 1d, and the lift lever 1a are changed in this order will be described.

In the present invention, the arrangement of the sections of the hydraulic control valve 10 is as follows: the lift section 10a and the tilt section 10a.
b, the rotation section 10c, and the clamp section 10d may be left as they are.

Of the four valve operating levers 1 arranged on the lever support portion 8, a lever 6 for changing the operation sequence is arranged outside the clamp lever 1d farthest from the driver. The lever transmission tool 7 is provided on at least one of the connecting rods 4, and the boss transmission tool 5 is provided on at least one of the boss portion 2a of the lift lever 1a (the valve operation lever whose operation sequence is to be changed) and the connecting rod 4. Install each.

When the lever 6 for changing the operation sequence is rotated in this state, the boss portion 2 of the lift lever 1a is rotated via the connecting rod 4, and the lift section 10 of the hydraulic control valve 10 is rotated.
The spool 11 of a is pushed and pulled.

That is, since the lift lever 1a can be replaced by the lever 6 for changing the operation order, which is arranged outside the clamp lever 1d, the operation order of the valve operation lever 1 can also be changed in the tilt lever 1b, the rotary lever 1c, the clamp lever 1d. , The lever 6 (instead of the lift lever 1a) for sequentially changing the operation can be changed in this order.

<Effects of the Invention> Since the present invention is configured and operates as described above,
It has the following effects.

(B) A lever for changing the operation sequence is arranged on the lever support part, and a transmission tool is provided between the lever for changing the operation sequence and the connecting rod, and between the boss part and the connecting rod of the valve operating lever whose operation sequence is to be changed. The valve operating lever operation sequence can be changed simply by mounting it.

For this reason, it is not necessary to change the arrangement of the valve sections, so it is not necessary to reassemble the valve sections, and there is no need to modify or reassemble the pipes. It can be implemented at low cost.

(2) As described above, the work of reassembling each section of the valve and the work of reassembling the pipes can be omitted, and these works can be performed in a short time. It will not get soiled.

<Embodiment> An embodiment of the present invention will be described with reference to FIGS.

In this embodiment, as shown in FIGS. 1 and 3, the four forklift valve operating levers 1 are the lever support portions 8.
The lift lever 1 is arranged in order from the driver's seat 13 side.
a, tilt lever 1b, rotation lever 1c, clamp lever 1
They are arranged in the order of d.

Each valve operating lever 1 is rotatably supported by a support shaft 3 fixed to a lever support portion 8 via a respective boss portion 2, and each boss portion 2 is connected via a link 12 to a directional control valve (hydraulic control). (Valve) 10 is linked to the spool 11 of each section. The sections of the directional control valve 10 are arranged in this order from the driver's seat 13 side in the order of a lift section 10a, a tilt section 10b, a rotation section 10c, and a clamp section 10d.

The support shaft 3 is provided with an insertion hole 3a. The insertion hole 3a
The connecting rod 4 is fitted and supported rotatably and concentrically with the support shaft 3 and the boss portion 2 of the valve operating lever 1.

A bolt insertion hole 2a is formed in each of the boss portions 2 in a penetrating manner, and the support shaft 3 is provided at a position corresponding to the bolt insertion hole 2a.
An elongated hole 3a is formed in the connecting rod 4, and a bolt through hole 4a is formed in the connecting rod 4.

Then, attach the bolt (transmitter for boss) 5 to each hole 2a, 3a, 4a.
The bosses 2 and the connecting rods 4 can be integrally rotated by being inserted into and fixed to the bosses 2. Therefore, the elongated hole 3a of the support shaft 3 is formed in the rotation hole of the valve operating lever 1. It is opened so that it does not interfere with the bolt 5 that rotates with the movement.

Of the four valve operating levers 1, a lever 6 for changing the operation sequence can be arranged on the lever support portion 8 on the inner side of the clamp lever 1d farthest from the driver's seat 13.

The lever 6 for changing the operation sequence has a boss portion 9 like the valve operation lever 1, and the boss portion 9 is rotatably supported by the support shaft 3 of the lever support portion 8 and the valve operation lever 1 Similarly, a bolt insertion hole 9a is formed in the boss portion 9, a long hole 3b is formed in the support shaft 3 and a bolt through hole 4b is formed in the connecting rod 4 at a position corresponding to the bolt insertion hole 9a. Bolt (transmitter for lever) 7 in each hole 9a,
The boss portion 9 and the connecting rod 4 can be integrally rotated by being inserted into and fixed to the 3b and 4b.

In the figure, reference numeral 14 is a handle.

As shown in FIG. 2, a case where the operation sequence of the lift lever 1a of the valve operation lever 1 is changed will be described.

First, the lever 6 for changing the operation order is arranged on the inner side of the clamp lever 1d, and then the boss portion 9 of the lever 6 for changing the operation order and the connecting rod 4 are fixed by the bolt 7, and the lift lever The boss portion 2 of 1a and the connecting rod 4 are fixed with a bolt 5.

By doing so, the turning operation of the lever 6 for changing the operation sequence is transmitted to the boss portion 2 of the lift lever 1a via the connecting rod 4, and the spool 11 of the lift section 10a of the directional control valve 10 can be operated. Generally, the spool 11 of the lift section 10a can be operated by the operation sequence changing lever 6 operated last, instead of the lift lever 1a operated first.

Another embodiment is shown in FIGS. 10 to 12.
The lever 6 for changing the operation sequence may be arranged on the farthest side from the driver's seat 13 instead of the tilt lever 1b as shown in FIG. 10 and instead of the rotary lever 1c as shown in FIG. 12th
As shown in the figure, instead of the clamp lever 1d, it may be arranged on the foremost side of the driver's seat 13, and, although not shown, instead of the tilt lever 1b or the rotary lever 1c, it may be arranged on the foremost side of the driver's seat 13. You may arrange.

In this embodiment, bolts are used as the transmission tools 5 and 7 to fix the bosses 2 and the connecting rods 4, and the operation sequence changing lever 6 and the connecting rods 4, respectively. However, the present invention is not limited to this, and the transmission tool 5 for the boss portion may be any as long as it can transmit the rotation of the connecting rod 4 to each boss portion 2.
Further, the lever transmission tool 7 may be one that transmits the turning operation of the lever 6 for changing the operation sequence to the connecting rod 4. The boss transmission tool 5 may be attached to either the boss 2 or the connecting rod 4, and the lever transmission tool 7 may be attached to either the operation order changing lever 6 or the connecting rod 4. It should be done.

In addition, a space for arranging the operation sequence changing lever 6 is provided both on the back side of the clamp lever 1d and on the front side of the lift lever 1a, and either one of the spaces can be freely selected. Can also be considered.

It is conceivable that the lever 6 for changing the operation sequence can be directly attached to and detached from the connecting rod 4.

[Brief description of drawings]

1 to 12 show an embodiment of the present invention, FIG. 1 is a front view of a valve supporting portion, and FIG. 2 is a front view of a valve supporting portion showing a state in which a lever for changing an operation sequence is attached. FIG. 3 is a top view of the driver's seat, FIG. 4 is a top view of the driver's seat showing a lever for changing the operation sequence, FIG. 5 is a cross-sectional view of the boss portion of the valve operating lever, and FIG. A sectional view of the boss portion of the valve operating lever showing a state in which the transmission tool for the boss portion is attached,
FIG. 7 is a sectional view of the boss portion of the lever for changing the operation sequence, FIG. 8 is a sectional view of the lever support portion, and FIG. 9 is a sectional view of the lever support portion showing a state in which the lever for changing the operation sequence is attached. ,
10 to 12 are views corresponding to FIG. 2 showing different embodiments, and FIG. 13 is a view corresponding to FIG. 2 showing a conventional example. 1 ... Valve operating lever, 2 ... Boss portion, 4 ... Connecting rod, 5 ... Boss transmission tool, 6 ... Lever for changing operation sequence, 7 ... Lever transmission tool, 8 ... Lever Support section.

Claims (1)

[Scope of utility model registration request] 1. A plurality of valve operating levers (1) are arranged on a lever support (8), and a plurality of valve operating levers (1) are mounted on a support shaft (3) fixed to the lever support (8). In a valve operating lever mounting device that rotatably supports each of the bosses (2) through the respective bosses (2), a connecting rod (4) is rotated on a support shaft (3) concentrically with each boss (2). In this state, the transmission tool (5) for the boss portion is detachably attached to at least one of the boss portion (2) and the connecting rod (4), and the transmission tool (5) for the boss portion is attached. In the attached state, each boss (2) is configured to rotate with the rotation of the connecting rod (4), and the valve operating levers located at both ends of the plurality of valve operating levers (1). Of the lever (8) on the outer side of at least one of ) Is arranged so that the lever transmission device (7) can be attached to and detached from at least one of the lever (6) for changing the operation sequence and the connecting rod (4). In the state in which 7) is attached, the connecting rod (4) is configured to be rotated in accordance with the rotation operation of the lever (6) for changing the operation sequence, and one of the boss portions (2) ( The boss transmission device (5) is attached to at least one of the connection rod (2) and the connection rod (4), and the lever (6) for changing the operation sequence is arranged on the lever support (8) to change the operation sequence. The lever transmission tool (7) is attached to at least one of the lever (6) for operation and the connecting rod (4), so that the one boss portion is associated with the rotation operation of the lever (6) for changing the operation sequence. (2) A valve operating lever characterized by being configured to rotate Mounting device.