CN212177639U

CN212177639U - Transmission shaft with effective telescopic length limitation

Info

Publication number: CN212177639U
Application number: CN202020753321.XU
Authority: CN
Inventors: 赵国柱
Original assignee: S&j Driveshaft Hangzhou Co ltd
Current assignee: S&j Driveshaft Hangzhou Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-18
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a possess spacing transmission shaft of effective flexible length, the transmission shaft technical field that belongs to, including a pair of terminal spline fork and outer tube, the outer tube in be equipped with the outer tube spacing nested inner tube of movable mutually, inner tube and terminal spline fork between, all be equipped with between outer tube and terminal spline fork with terminal spline fork looks round pin axle type insert the universal joint of being connected, the inner tube in be equipped with the outer tube movable mutually insert the flexible spacing subassembly of inlaying. The telescopic limiting assembly comprises a limiting block, limiting pins inserted into the outer pipe for limiting are arranged at two ends of the limiting block, and springs are arranged between the limiting pins and the limiting block. Has the characteristics of simple structure, adjustable effective length and long service life. The problem of the transmission shaft assembly stretch to effectively stretch out and draw back is solved.

Description

Transmission shaft with effective telescopic length limitation

Technical Field

The utility model relates to a transmission shaft technical field, concretely relates to possess spacing transmission shaft of effective flexible length.

Background

The transmission shaft is a high-speed, low-bearing rotating body, so that the dynamic balance of the transmission shaft is crucial. The dynamic balance test is carried out on a general transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the transmission is arranged to transmit the rotation of the transmission to the shaft of the final drive, and the transmission can be provided with a plurality of joints, and the joints can be connected through universal joints.

The transmission shaft is an important part for transmitting power in an automobile transmission system, and the transmission shaft, a gearbox and a drive axle are used for transmitting the power of an engine to wheels so that an automobile generates driving force.

Disclosure of Invention

The utility model discloses mainly solve and to have the not enough of effective length unadjustable and life weak point among the prior art, provide one kind and possess the spacing transmission shaft of effective flexible length, it has simple structure, the characteristics of effective length adjustable and long service life. The problem of the transmission shaft assembly stretch to effectively stretch out and draw back is solved.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides a possess spacing transmission shaft of effective flexible length, includes a pair of terminal spline fork and outer tube, the outer tube in be equipped with the outer tube spacing nested inner tube of movable mutually, inner tube and terminal spline fork between, all be equipped with between outer tube and terminal spline fork with terminal spline fork looks pin shaft type insert the universal joint of being connected, the inner tube in be equipped with the outer tube spacing subassembly of flexible mutually inserting of inlaying. The telescopic limiting assembly comprises a limiting block, limiting pins inserted into the outer pipe for limiting are arranged at two ends of the limiting block, and springs are arranged between the limiting pins and the limiting block.

Preferably, an inner tube fork is arranged between the inner tube and the universal joint.

Preferably, an outer pipe fork is arranged between the outer pipe and the universal joint.

Preferably, the tail end spline forks are respectively provided with a fork threaded pin shaft which is fastened with the tail end spline fork through nuts.

The utility model discloses can reach following effect:

the utility model provides a possess the spacing transmission shaft of effective flexible length, compare with prior art, have simple structure, effective length is adjustable and long service life's characteristics. The problem of the transmission shaft assembly stretch to effectively stretch out and draw back is solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the telescopic limiting component of the present invention.

In the figure: pitch fork threaded pin 1, terminal spline fork 2, universal joint 3, outer tube fork 4, inner tube 5, flexible spacing subassembly 6, outer tube 7, inner tube fork 8, stopper 9, spring 10, spacer pin 11.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1 and 2, a transmission shaft with effective telescopic length limitation comprises a pair of end spline forks 2 and an outer tube 7, wherein the end spline forks 2 are respectively provided with a fork threaded pin shaft 1 which is fastened with the end spline forks 2 through nuts. An inner tube 5 movably embedded with the outer tube 7 in a limiting manner is arranged in the outer tube 7, universal joints 3 connected with the tail end spline forks 2 in a pin shaft type inserting manner are arranged between the inner tube 5 and the tail end spline forks 2 and between the outer tube 7 and the tail end spline forks 2, and inner tube forks 8 are arranged between the inner tube 5 and the universal joints 3. An outer pipe fork 4 is arranged between the outer pipe 7 and the universal joint 3. The inner pipe 5 is internally provided with a telescopic limit component 6 movably inserted and embedded with the outer pipe 7. The telescopic limiting assembly 6 comprises a limiting block 9, limiting pins 11 which are inserted into the outer tube 7 in an embedded mode and are limited are arranged at two ends of the limiting block 9, and springs 10 are arranged between the limiting pins 11 and the limiting block 9.

To sum up, this possess spacing transmission shaft of effective flexible length, have simple structure, effective length is adjustable and long service life's characteristics. The problem of the transmission shaft assembly stretch to effectively stretch out and draw back is solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a possess spacing transmission shaft of effective flexible length which characterized in that: the spline fork assembly comprises a pair of tail end spline forks (2) and an outer pipe (7), wherein an inner pipe (5) movably limiting and nesting with the outer pipe (7) is arranged in the outer pipe (7), universal joints (3) connected with the tail end spline forks (2) in a pin shaft type inserting and embedding manner are arranged between the inner pipe (5) and the tail end spline forks (2) and between the outer pipe (7) and the tail end spline forks (2), and a telescopic limiting assembly (6) movably inserting and embedding with the outer pipe (7) is arranged in the inner pipe (5); the telescopic limiting assembly (6) comprises a limiting block (9), two ends of the limiting block (9) are respectively provided with a limiting pin (11) which is inserted into the outer pipe (7) in an embedded mode, and a spring (10) is arranged between the limiting pin (11) and the limiting block (9).

2. The drive shaft with effective reach limit of claim 1, wherein: an inner tube fork (8) is arranged between the inner tube (5) and the universal joint (3).

3. The drive shaft with effective reach limit of claim 1, wherein: an outer pipe fork (4) is arranged between the outer pipe (7) and the universal joint (3).

4. The drive shaft with effective reach limit of claim 1, wherein: and the tail end spline fork (2) is provided with a pitch fork threaded pin shaft (1) which is fastened with the tail end spline fork (2) through nuts.