JPS642966B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a control device for performing a gear change operation of a vehicle transmission, and particularly to a stopper during a selection operation.

(Prior Art) As conventional transmission control devices, for example, those shown in FIG. 8 (Japanese Patent Application No. 185618/1982) and FIG. 9 are known.

The transmission control device (Japanese Patent Application No. 59-185618) shown in FIG. 8 is equipped with a hand lever 01, a select shaft 02, and a control tube 03, and the control tube 03 is arranged in the select direction (arrow 0a). is fixed for
The select shaft 02 was provided so as to be slidable in the select direction.

Therefore, select hand lever 01 (arrow 0
(applying force in direction b), hand lever 01
is tilted about the pin 04, and accordingly the select shaft 02 is slid in the select direction (arrow 0a), whereby the transmission is selectively operated.

The transmission control device shown in FIG. 9 includes a hand lever 010, a fixed shaft 011, and a control tube 012.
The fixed shaft 011 is fixed to the vehicle body, the pipe portion 013 of the control tube 012 is slidably provided to the fixed shaft 011, and the hand lever 010 is pivotally supported by a socket portion 014 of the control tube 012. was.

Further, the sliding of the control tube 012 is regulated by stoppers 015 (one not shown) provided on both sides in the sliding direction.

Therefore, when the hand lever 010 is selectively operated (applying force in the direction of the arrow 0c), the hand lever 010 is tilted using the lower end as a fulcrum, and the control tube 012 is accordingly moved in the direction of the arrow 0d.
The transmission was slid in the direction until it was regulated by the stopper 015, thereby selectively operating the transmission.

(Problems to be Solved by the Invention) However, the conventional control device as described above has the following problems.

First, the control device shown in FIG. 8 had the following problems because it was not particularly provided with a stopper for restricting the slide of the select shaft 02.

(b) The selection position is not fixed and there is a lack of sense of moderation.

(b) The impact to the transmission caused by the select operation is directly transmitted to the hands, resulting in poor operation feeling.

(c) The selection operation produces a metal tapping sound that is harsh on the ears.

(d) Since the impact load from the hand lever is directly transmitted to the transmission, the member that transmits the operation of the hand lever to the transmission requires great durability and strength, leading to increased weight, increased operating force, and increased cost.

Next, the control device shown in FIG. 9 had the following problems.

(a) Control tube 01 for stopper 015
2 on both sides in the sliding direction, the number of parts and assembly man-hours increase, leading to an increase in cost.

(b) The stop position of the select operation of the hand lever 010 is not constant and has poor accuracy due to variations in the length of the control tube 012 and the mounting position of the stopper 015.

(Means for Solving the Problems) The present invention aims to solve the above-mentioned conventional problems, and as a means for achieving the purpose, the transmission control device of the present invention includes: A shaft for supporting a lower end of the hand lever is provided, and a control tube is provided in which a socket portion for inserting and supporting the lower end portion of the hand lever and a pipe portion for inserting the shaft are integrally formed. , in a control device for a transmission in which the hand lever is tilted relative to a socket portion by operation of the hand lever, an elastic stopper is provided between the hand lever and the socket portion to restrict tilting of the hand lever. The configuration was as follows.

(Function) Therefore, in the transmission control device of the present invention, when the hand lever is operated and tilted with respect to the socket part, there is a part where the distance between the socket part and the hand lever narrows, and the distance between the socket part and the hand lever is narrowed. The hand lever is elastically restricted from tilting by the elastic stopper between the parts.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
In describing this embodiment, a control device for a transmission installed in a cab-over type automobile will be taken as an example.

First, the structure of the first embodiment shown in FIGS. 1 to 3 will be explained.

A is a control device for a transmission according to a first embodiment of the present invention, and includes a hand lever 10, a control tube 20, a select shaft 30 as a shaft, and an elastic stopper 40.

The hand lever 10 is used to perform shift and selection operations, and this hand lever 10 has the following functions:
As shown in FIG. 2, a floor panel 100 of a vehicle body
It stands upright and is provided so as to be tiltable around a pin 11 shown in FIG.

As shown in FIG. 2, the control tube 20 is mounted on a bush 5 with respect to vehicle body side brackets 50 and 51, which are disposed laterally with respect to the vehicle body and are vehicle body side members fixed to the vehicle body panel.
The control tube 20 is rotatably supported at both ends via pins 2 and 53, and includes a socket portion 21 to which the hand lever 10 is pivotally attached via a pin 11, and a pipe portion 23 to which the shift lever 22 is fixed to the outer periphery. It has .

The one end side of the pipe section 23 is supported by inserting a support rod 24 into the one end side of the pipe section 23.
The support rod 24 and the pipe portion 23 are connected by a connecting pin 25, and are supported by a bush 52 and the support rod 24 against a bracket 50 on the vehicle body side.

Further, the socket part 21 and the pipe part 23 are fixed together by welding in a perpendicular state.

Further, a dust boot 26 is provided at the opening of the socket portion 21 into which the hand lever 10 is inserted.

Further, the shift lever 22 has a pipe portion 23.
It is fixed to the other end by welding.

Furthermore, the hand lever 10 is pivotally mounted by the pin 11 so that it can slide in the axial direction of the pipe portion 23 and is fixed in the circumferential direction of the pipe portion.

The select shaft 30 supports the lower end of the hand lever 10 and also supports the hand lever 1.
0 select operation is transmitted to the transmission body 70 via the select lever 60 and a transmission member 80 provided between the select lever 60 and the transmission body 70. It is slidably inserted into the pipe portion 23 of the tube 20 and is formed from a piston portion 31 and a shaft portion 32.

The piston portion 31 is connected to the hand lever 10.
It is supported by the lower end of and is urged by springs 311 and 312 from both ends.

The shaft portion 32 has one end screwed onto the piston portion 31 and the other end connected to a select lever 60 that is rotatable around a support pin 61.
As the shaft portion 32 slides, the select lever 60 is rotated.

The elastic stopper 40 is connected to the hand lever 1.
This elastic stopper 4
0 is made of rubber and has a conical shape, and is fixed to the outer periphery between the lower end of the hand lever 10 and the pin 11 by baking.

In addition, 90 in FIG. 2 is a radiator.

Next, the operation of the first embodiment will be explained.

The selection operation is performed by tilting the hand lever 10 in either the direction of arrow a or the direction of arrow b, as shown in FIG.

The socket part 2 of this control tube 20
The piston part 31 slides by the tilting of the hand lever 10 with the pivot point of the select shaft 30 as a fulcrum and the support part of the select shaft 30 to the piston part 31 as a point of action. Part 32
The signal is transmitted to the select lever 60 via the select lever 60, and a select operation is performed by rotating the select lever 60 in the directions of arrows c and d.

Furthermore, due to the tilting of the hand lever 10 described above,
As shown in FIG. 3, the elastic stopper 40 is brought into contact with the socket portion 21 on the tilting direction side of the lower end of the hand lever 10, thereby causing the hand lever 1
Zero tilting is elastically regulated without transmitting impact to the transmission body 80 and the hand lever 10.

When performing a shift operation, use the hand lever 10.
This is done by tilting the pipe portion 23 in the circumferential direction.

By this tilting operation, the control tube 20, which is integrally connected to the hand lever 10 by the pin 11, rotates in the shift operation direction, and the shift lever 22, which is fixed to the pipe portion 23 of the control tube 20, also rotates. It rotates to perform a shift operation.

Next, a second embodiment shown in FIGS. 4 and 5 will be described.

This second embodiment is an example using a type of device in which the control tube slides.

B is a control device for a transmission according to a second embodiment of the present invention, and includes a hand lever 210, a control tube 220, a shaft 230, and an elastic stopper 240.

The control tube 220 is formed of a pipe portion 221 that is slidably and rotatably provided on the outer periphery of the shaft 230, and a socket portion 222 that stands perpendicularly to the pipe portion 221, and It is pivotally mounted to the vehicle body mounting bracket 223 so as to be slidable and rotatable.

The control tube 220 is connected to a shift lever 224 and a select lever 225, and when the control tube 220 slides, the select lever 225 is rotated, and when the control tube 220 is rotated in the circumferential direction of the shaft 230, the select lever 225 is rotated. Shift lever 224 is rotated.

The shaft 230 is attached to the vehicle body mounting bracket 2
It is held and fixed at 31.

The hand lever 210 has a lower end supported by the shaft 230 and is pivotally connected to the socket portion 222 of the control tube 220 by a pin 211.

The elastic stopper 240 is similar to that of the first embodiment, and is fixed by baking to the outer periphery between the lower end of the hand lever 210 and the pin 211.

Therefore, in the second embodiment device B, when the hand lever 210 is operated and tilted in the direction of the arrow e around the lower end, the elastic stopper 2 is moved as shown in FIG.
40 is brought into contact with the inner surface of the socket portion 222 of the control tube 220 to restrict tilting, and the control tube 220 is connected to the shaft 2
30 in the axial direction.

Next, the third embodiment device C shown in FIG. 6 will be explained.

This device C is an example in which an elastic stopper 340 is provided on the inner surface of the socket portion 21.

Therefore, when the hand lever 10 is tilted, the hand lever 10 comes into contact with the elastic stopper 340 and the tilting movement is restricted.

Next, the fourth embodiment device D shown in FIG. 7 will be explained.

This device D is an example in which an elastic stopper 440 is provided at a position above the pin 11 of the hand lever 10 and between the hand lever 10 and the socket portion 421.

Therefore, when the hand lever 10 is tilted, the elastic stopper 440 comes into contact with the socket portion 421 on the side in the tilting direction of the hand lever 10, and the tilting movement is restricted.

It should be noted that the other structures and functions of the apparatuses C and D of the third and fourth embodiments are the same as those of the first embodiment, and therefore their explanations will be omitted.

Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and the present invention may be modified without departing from the gist of the present invention. included.

For example, although rubber is used as the elastic stopper in the embodiment, other materials such as resin or foam material may be used as long as it has elasticity.

Further, the support of the hand lever by the socket portion is not limited to pin connection.

Further, in the embodiment, the select operation is performed by tilting the hand lever, but it may also be a shift operation.

(Effects of the Invention) As described above, according to the transmission control device of the present invention, since the elastic stopper for regulating the tilting of the hand lever is provided between the hand lever and the socket portion, the following effects can be achieved. The described effects can be obtained.

The tilting position is regulated and the sense of moderation increases.

The tilting of the hand lever is elastically restricted, the impact on the hand is softened, the operational feeling is improved, and the harsh metal tapping sound is no longer generated.

Overload is no longer applied to the transmission side rather than the hand lever, improving durability, and it is also possible to reduce the durability strength of those parts, thereby reducing weight, operating force, and cost.
I can measure it.

Since only one stopper is required, the number of parts and assembly man-hours are reduced, making it possible to reduce costs.

Since the stop position of the hand lever operation is determined by the diameter of the pipe and rod, which are easier to obtain accuracy than the length, and the thickness of the stopper, accuracy is improved.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a control device for a transmission according to a first embodiment of the present invention, FIG. 2 is a perspective view showing the entire device of the first embodiment, and FIG. 3 is a main part of the device of the first embodiment. 4 is a sectional view showing the device of the second embodiment, FIG. 5 is a sectional view showing the main parts of the device of the second embodiment, and FIG. 6 is a sectional view showing the main parts of the device of the third embodiment. 7 are sectional views showing essential parts of the device of the fourth embodiment, and FIGS. 8 and 9 are sectional views showing conventional devices. 10...Hand lever, 20...Control tube, 30...Select shaft (shaft), 40...Elastic stopper.

Claims (1)

[Scope of Claims] 1. A shaft for supporting the lower end of the hand lever is provided, and a socket portion for inserting and supporting the lower end portion of the hand lever, and a pipe portion for inserting the shaft are integrally formed. In the control device for a transmission, the control tube is provided with a control tube, and the hand lever is tilted with respect to a socket portion by operation of the hand lever, wherein a tilting control tube of the hand lever is provided between the hand lever and the socket portion. A control device for a transmission, characterized in that it is provided with an elastic stopper for regulating.