JPH0649145U - Shaft structure of auto change lever for automobile - Google Patents

Abstract

(57) [Summary] [Purpose] Easy to assemble, few parts,
In addition, it is possible to more efficiently assemble the gear shift operation device than in the past. [Structure] The gear shift operating device 1 includes a base plate P having a lever support portion 4 formed by recessing a central portion, and a change lever rotatably supported by a horizontal shaft in the lever support portion 4 of the base plate P. 2 and the lower end of the change lever 2 is a cylindrical boss 3 in the horizontal direction.
Is fixedly provided, bearing portions 5 having support shaft holes are formed on both wall portions of the lever support portion 4 in the vehicle width direction, a cylindrical pipe 6 is used as a horizontal shaft, and a boss 3 is fitted on the outer periphery. The ring-shaped packing 7 is fitted into both sides of the cylindrical tube 6 protruding outward from the bearing portion 5 with the cylindrical tube 6 in the opened state inserted in the support shaft hole of the bearing portion 5. Crimped portions 61 are formed on both sides of the fitted cylindrical tube 6.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a support structure for a boss attached to a lower end portion of a change lever provided upright on a shift operating device for an automatic transmission of a vehicle.

[0002]

[Prior art]

 Conventionally, a shift operation device 10 for an automatic transmission for a vehicle as illustrated in FIG. 5 has been known. Normally, the gear shift operating device 10 is provided on the side of the driver's seat so that the driver operates the gear shift operating device 10 so that the engine speed is transmitted to the wheels at a predetermined reduction ratio. Has become. The gear shift operation device 10 is basically composed of a base plate P on which various members are arranged, and a change lever 2 erected on the base plate P. The upper portion of the gear shift operation device 10 is covered with the operation plate T in a state where the change lever 2 is projected upward, and the appearance is beautiful. At a substantially central portion of the base plate P, there is provided a lever support portion 4 formed by being depressed.

On the other hand, a pipe-shaped boss 3 is horizontally attached to the lower end portion of the change lever 2, and a bolt B is inserted into an insertion hole of the boss 3 through a lever support portion 4 and is not shown in the drawing. It is fastened with a nut. Therefore, the change lever 2 is rotatably supported in the lever supporting portion 4 around the bolt B. Depending on the rotational position of the change lever 2 around the bolt B, the transmission of the automobile carries out a predetermined shift operation.

[0004]

[Problems to be solved by the device]

 By the way, in the conventional gear shift operating device 10 as described above, in order to mount the boss 3 on the lever support portion 4, a bolt B inserted through the boss 3 and a screw (not shown) screwed onto the bolt B are shown. Two parts of the nut are required. Each of the bolt B and the nut is a processed product of a metal member in which a screw is screwed, and is expensive as a shaft material.

Further, when the bolt B is applied as a shaft material for supporting the change lever 2, the boss 3 is attached to both side walls of the lever support portion 4 in the vehicle width direction when the change lever 2 is attached to the lever support portion 4. Since it had to be inserted into the drilled through hole and then tightened with nuts one by one, it was troublesome, and there was a desire for efficiency.

The present invention has been made in order to solve the above-mentioned problems, and is an automobile auto change capable of simultaneously achieving a reduction in the number of parts and an increase in the efficiency of assembling operation. It is intended to provide a support structure for a lever.

[0007]

[Means for Solving the Problems]

 According to a first aspect of the present invention, there is provided a support shaft structure for an automatic change lever for an automobile, which is a support shaft structure for an automatic change lever for an automobile which is erected on a shift operation device for an automatic transmission of the vehicle. Is composed of a base plate having a lever support part formed by recessing the central part and a change lever rotatably supported by a horizontal shaft in the lever support part of the base plate, and at the lower end part of the change lever. Has a cylindrical boss fixed in the horizontal direction, bearings with perforated shaft holes formed in both widthwise walls of the lever support, and a cylindrical tube is used as the horizontal shaft. , The boss is fitted on the outer circumference of the cylindrical pipe, and both ends of the cylindrical pipe with the boss fitted are projected to the outside from the bearing part while being inserted into the support shaft hole. External A ring-shaped packing is fitted into both end portions of the protruded cylindrical tube, and is characterized in that the caulked at both ends of the fitted a cylindrical tube of the packing.

[0008]

[Action]

 According to the spindle structure of the automobile auto change lever according to claim 1, only the cylindrical pipe is used as the horizontal shaft for supporting the cylindrical boss in the horizontal direction at the lower end portion of the change lever. , It is cheaper than conventional bolts and nuts, and requires fewer parts.

Further, since the lever supporting portion of the cylindrical tube is mounted on the bearing portion by caulking both sides of the cylindrical tube, it is unnecessary to perform a troublesome operation such as fastening a bolt with a nut as in the conventional case. And contributes to the efficiency of the assembling operation.

Further, since the ring-shaped packing is fitted to both end portions of the cylindrical tube protruding outside from the bearing section in a state where the cylindrical tube is inserted into the support shaft hole of the bearing section, a cushioning difference of this packing is used. Due to this, variations in the caulking operation during construction are absorbed, and the packing provides a waterproof effect.

[0011]

【Example】

 FIG. 1 is a partially cutaway perspective view showing an example of a shaft structure of an automobile automatic change lever according to the present invention, and FIG. 2 is a sectional view taken along the line AA of FIG. First, as shown in FIG. 1, a gear shift operation device 1 to which a boss support structure according to the present invention is applied is basically composed of a base plate P which is a substrate, and a change lever 2 which is mounted on the base plate P. The base plate P is made of a synthetic resin molding, and its upper surface is shaped and dimensioned so that various members that perform various operations during gear shifting can be mounted. ing.

A bowl-shaped lever support portion 4 formed in a state where the flat plate portion of the base plate P is depressed downward is provided at a substantially central portion of the base plate P. Such a base plate P is adapted to be attached to the vehicle body through locking holes H provided at various places. Usually, the base plate P is attached to the vehicle body so that the longitudinal direction of the base plate P coincides with the front and rear direction of the automobile.

On the other hand, at the lower end portion of the change lever 2, a cylindrical boss 3 is fixedly provided at the center portion thereof so as to extend in the vehicle width direction.

On the other hand, a pair of bearing portions 5 are formed in the bottom portion of the lever support portion 4 in the vehicle width direction, and a spindle hole 51 is formed in each of these bearing portions 5. Then, with the boss 3 inserted through the outer periphery of the cylindrical tube 6, both sides of the cylindrical tube 6 are inserted through a pair of support shaft holes 51 in the vehicle width direction, and the boss 3 is axially supported by the cylindrical tube 6. Has become.

In this way, rubber ring-shaped packings 7 are fitted on both sides in the vehicle width direction of the cylindrical tube 6 which is inserted through the support shaft hole 51 formed in the bearing portion 5 of the lever support portion 4. It is Then, with the packing 7 fitted in the cylindrical tube 6, both side portions in the vehicle width direction of the cylindrical tube 6 are crimped over the circumference thereof, and the diameter of the tip edge portion is expanded like a trumpet. Are formed.

The work for forming the caulking portion 61 as described above may be performed manually by an operator, but normally, the caulking portion 61 is automatically caulked by an appropriate caulking machine.

Since the supporting shaft structure of the automobile auto change lever of the present invention is configured as described above, the lever is efficiently and efficiently used without using a bolt, which is expensive and has a large number of parts as in the past. The change lever 2 can be mounted on the support portion 4, which is effective in simplifying the assembling operation of the gear shift operating device.

[0018]

[Effect of device]

 As described above, the spindle structure of the automatic change lever for a vehicle of the present invention is the spindle structure of the automatic change lever for a vehicle that is installed upright in the shift operating device of the automatic transmission of a vehicle. The device consists of a base plate with a lever support part formed by recessing the central part, and a change lever rotatably supported on a horizontal shaft in the lever support part of the base plate. A cylindrical boss is fixed in the horizontal direction in the horizontal direction, bearing parts with support shaft holes are formed in both lateral walls of the lever support in the vehicle width direction, and a cylindrical tube is used as the horizontal axis. The boss is fitted on the outer circumference of the cylindrical pipe, and both ends of the cylindrical pipe in the fitted state of the boss are projected to the outside from the bearing portion while being inserted into the support shaft hole. From bearing A ring-shaped packing fitted write rare at both ends of the protruding a cylindrical tube section, it is an feature that this both ends of the fitted a cylindrical tube of packing being caulked.

Therefore, since the lower end of the change lever uses only the cylindrical tube as a horizontal shaft for supporting the cylindrical boss in the horizontal direction, it is cheaper than the conventional bolts and nuts, and The number of parts can be reduced.

Further, since the lever support portion of the cylindrical tube is mounted on the bearing portion by caulking both side portions of the cylindrical tube, a troublesome operation such as fastening a bolt with a nut unlike the conventional case is unnecessary. Therefore, it is possible to contribute to the efficiency of the assembling operation.

Further, since the ring-shaped packing is fitted to both ends of the cylindrical tube protruding outward from the bearing section while the cylindrical tube is inserted into the support shaft hole of the bearing section, the cushioning difference of this packing is used. This is advantageous because the caulking operation can absorb variations in construction and the packing can provide a waterproof effect.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing an example of a support shaft structure of an automobile automatic change lever according to the present invention.

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

FIG. 3 is a partially cutaway perspective view showing an example of a conventional support shaft structure for an automobile automatic change lever.

[Explanation of symbols]

 1 Gear change operation device 2 Change lever 3 Boss 4 Lever support part 5 Bearing part 51 Support shaft hole 6 Cylindrical tube 61 Caulking part 7 Packing P Base plate T Operation plate

Claims (1)

[Scope of utility model registration request] 1. A support shaft structure for an automatic change lever for an automobile, which is erected on a shift operation device for an automatic transmission of an automobile, wherein the shift operation device includes a lever support portion formed by recessing a central portion. And a change lever rotatably supported on a horizontal shaft in a lever support portion of the base plate. A horizontal cylindrical boss is fixedly provided at a lower end portion of the change lever. Bearing portions in which support shaft holes are bored are formed in both vehicle width direction wall portions of the lever support portion, a cylindrical pipe is used as the horizontal shaft, and the boss is fitted to the outer periphery of the cylindrical pipe, Both ends of the cylindrical tube in which the boss is fitted are projected to the outside from the bearing section while being inserted into the support shaft holes, and ring-shaped at both ends of the cylindrical tube projected to the outside from the bearing section. The packing is fitted A support shaft structure for an auto change lever for an automobile, characterized in that both ends of a cylindrical tube into which the packing is fitted are crimped.