CN204506553U - A kind of driving-shaft assembly - Google Patents

Abstract

A transmission shaft assembly, which includes: a sliding fork assembly, a cross shaft assembly, a transmission shaft welding assembly, a balance plate, a flange fork, and a retaining ring; the sliding fork assembly is located at the far left of the transmission shaft assembly, and the transmission The shaft welding assembly is located in the middle of the transmission shaft assembly, the cross shaft assembly is located in the middle of the sliding fork assembly and the transmission shaft welding assembly, the balance piece is located on the shaft tube of the transmission shaft welding assembly, and one or two balance pieces are installed symmetrically on both sides , the flange fork is located on the far right of the transmission shaft assembly, and the elastic retaining ring is located under the inner hole of the universal joint fork on the left side of the transmission shaft welding assembly; the utility model has simple structure, easy processing, low cost, and is convenient for maintenance and replacement ,Wide range of applications.

Description

A transmission shaft assembly

technical field

The utility model relates to an automobile chassis accessory, in particular to a transmission shaft assembly.

Background technique

The transmission shaft assembly is an important part of the automobile chassis. It is an important part used to connect the clutch main shaft assembly and plays the role of transmission. At present, the transmission shaft assembly is made by integral welding. This processing method The process is more complicated, there are many processing steps, the processing is difficult, the processing size and precision cannot meet the process requirements, the balance effect is not good, the processing cost is too high, and it is inconvenient to repair and replace.

Contents of the invention

The purpose of this utility model is to overcome the above-mentioned shortcomings of the prior art and provide a transmission shaft assembly, which is assembled from several parts, has simple processing, low processing cost and is convenient for maintenance.

The technical scheme of the utility model is: a transmission shaft assembly, which includes a sliding fork assembly, a cross shaft assembly, a transmission shaft welding assembly, a balance plate, a flange fork, and a retaining ring.

The sliding fork assembly is located on the far left of the transmission shaft assembly, the transmission shaft welding assembly is located in the middle of the transmission shaft assembly, the cross shaft assembly is located in the middle of the sliding fork assembly and the transmission shaft welding assembly, the inner hole of the cross shaft assembly is in line with the The inner hole of the universal joint fork on the left side of the transmission shaft welding assembly is concentric, on the same center line, the balance plate is located on the shaft tube of the transmission shaft welding assembly, one or two balance plates are installed symmetrically on each side, and the flange fork is located on the transmission shaft On the far right side of the assembly, the inner hole of the flange yoke is concentric with the inner hole of the universal joint yoke on the right side of the drive shaft welding assembly. below the hole.

The sliding fork assembly includes: a blocking cover, a sealing gasket, a sliding fork, an internal spline, and a dust cover. The blocking cover is arranged in the middle of the sliding fork assembly, the sealing gasket is arranged next to the blocking On the left side of the sliding fork assembly, the internal spline is arranged at the center of the sliding fork, and the dust cover is arranged at the right side of the sliding fork, and is connected together with the sliding fork by a tight fit.

The transmission shaft welding assembly includes: a left universal joint fork, a shaft tube, and a right universal joint fork, the left universal joint fork is arranged on the left side of the transmission shaft welding assembly, and the right universal joint fork is arranged at the left On the right, the shaft tube is set in the middle of the left universal joint yoke and the right universal joint yoke, and the three sections of the left universal joint yoke, the shaft tube and the right universal joint yoke are connected together by welding.

Compared with the prior art, the utility model has the following characteristics:

The transmission shaft assembly provided by the utility model has the advantages of simple structure, easy processing, quick assembly, low cost, good balancing effect and convenient replacement and maintenance.

The detailed structure of the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the structural representation of sliding fork assembly;

Accompanying drawing 3 is the structural representation of drive shaft tube welding assembly;

Accompanying drawing 4 is the structural representation of cross shaft assembly;

Accompanying drawing 5 is the top view of accompanying drawing 4;

Accompanying drawing 6 is the structural representation of flange fork;

Accompanying drawing 7 is the top view of accompanying drawing 6.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings:

A transmission shaft assembly, which includes a sliding fork assembly 1, a cross shaft assembly 2, a transmission shaft welding assembly 3, a balance sheet 4, a flange fork 5, and a retaining ring 6.

The sliding fork assembly 1 is located at the far left of the transmission shaft assembly, the transmission shaft welding assembly 3 is located in the middle of the transmission shaft assembly, the cross shaft assembly 2 is located in the middle of the sliding fork assembly 1 and the transmission shaft welding assembly 3, and the cross shaft assembly The inner hole of 2 is concentric with the inner hole of the universal joint fork on the left side of the transmission shaft welding assembly 3. On the same center line, the balance plate 4 is located on the shaft tube of the transmission shaft welding assembly 3, and one or two are installed symmetrically on both sides. The balance plate 4 and the flange fork 5 are located on the far right of the drive shaft assembly. The inner hole of the flange fork 5 is concentric with the inner hole of the universal joint fork on the right side of the drive shaft welding assembly 3. On the same center line, the elastic retaining ring 6 is located below the inner hole of the universal joint fork on the left side of the transmission shaft welding assembly 3.

The sliding fork assembly 1 includes: a blocking cover 1-1, a gasket 1-2, a sliding fork 1-3, an inner spline 1-4, a dust cover 1-5, and the blocking cover 1-1 is located on the sliding In the middle of the fork assembly, the sealing gasket 1-2 is arranged next to the blocking cover, the sliding fork 1-3 is arranged on the left side of the sliding fork assembly, the inner spline 1-4 is arranged in the center of the sliding fork assembly, and the dust cover 1-5 are arranged on the right side of the sliding fork, and are connected together with the sliding fork in a tight fit mode.

The transmission shaft welding assembly 3 includes: a left universal joint fork 3-1, a shaft tube 3-2, a right universal joint fork 3-3, and the left universal joint fork 3-1 is arranged on the left side of the transmission shaft welding assembly , the right universal joint fork 3-3 is set on the right side of the transmission shaft welding assembly, the shaft tube 3-2 is set in the middle of the left universal joint fork and the right universal joint fork, the left universal joint fork 3-1, the shaft tube 3-2. The three sections of the right universal joint fork 3-3 are connected together by welding.

The working principle and method of use of the utility model are as follows: a sliding fork assembly 1 is provided on the left side of the assembly of the transmission shaft, and an internal spline 1-4 is provided on the sliding fork assembly, which is convenient to be connected with matching parts. The middle of the transmission shaft welding assembly is equipped with a balance piece 4, which is easy to balance on both sides during transmission. A left universal joint fork 3-1 and a right universal joint fork 3-3 are arranged on both sides of the moving shaft welding assembly to connect the universal joint. The phase angle of the cross shaft universal joints at both ends of the transmission shaft is not greater than 3 degrees, the transmission shaft must not have permanent deformation under the torque of 1359N, and the axial movement of the cross shaft is not greater than 0.06mm. After the transmission shaft assembly is assembled, the cross shaft The rotation is flexible and there must be no stagnation.

Claims (3)

1. A transmission shaft assembly, characterized in that it includes a sliding fork assembly, a cross shaft assembly, a transmission shaft welding assembly, a balance piece, a flange fork, and a retaining ring; the sliding fork assembly is located in the transmission shaft assembly The far left of the drive shaft assembly is located in the middle of the drive shaft assembly, the cross shaft assembly is located in the middle of the sliding fork assembly and the drive shaft welding assembly, the inner hole of the cross shaft assembly and the universal joint on the left of the drive shaft welding assembly The inner hole of the fork is concentric, on the same center line, the balance sheet is located on the shaft tube of the transmission shaft welding assembly, one or two balance sheets are installed symmetrically on each side, the flange fork is located at the far right of the transmission shaft assembly, and the flange fork The inner hole is concentric with the inner hole of the universal joint yoke on the right side of the transmission shaft welding assembly. 2. A transmission shaft assembly according to claim 1, characterized in that: said sliding fork assembly includes a blocking cover, a sealing gasket, a sliding fork, an internal spline, and a dust cover, and the blocking cover is located on the sliding In the middle of the fork assembly, the sealing gasket is set next to the blocking cover, the sliding fork is set on the left side of the sliding fork assembly, the inner spline is set in the center of the sliding fork, and the dust cover is set on the right side of the sliding fork, using a tight fit Connected with sliding fork. 3. A transmission shaft assembly according to claim 1, characterized in that: said transmission shaft welding assembly comprises a left universal joint yoke, a shaft tube, and a right universal joint yoke, and the left universal joint yoke is arranged on On the left side of the transmission shaft welding assembly, the right universal joint fork is set on the right side of the transmission shaft welding assembly, and the shaft tube is set in the middle of the left universal joint fork and the right universal joint fork, the left universal joint fork, shaft tube, right universal joint fork The three sections of the knuckle fork are connected together by welding.