CN216519139U

CN216519139U - Transmission shaft

Info

Publication number: CN216519139U
Application number: CN202122542463.9U
Authority: CN
Inventors: 张佳俊
Original assignee: Wuxi Zhongxinrui Technology Co ltd
Current assignee: Wuxi Zhongxinrui Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-13
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to the technical field of automobile accessory equipment, and provides a transmission shaft which comprises a first connecting disc and a second connecting disc, wherein a first cavity is formed in the first connecting disc, a first connecting shaft is arranged on the inner wall of the first cavity, the other end of the first connecting shaft is connected with an external spline shaft, a first self-aligning bearing is sleeved on the first connecting shaft, a second cavity is formed in the second connecting disc, a second connecting shaft is arranged on the inner wall of the second cavity, the other end of the second connecting shaft is connected with an internal spline shaft sleeve, a second self-aligning bearing is sleeved on the second connecting shaft, and the internal spline shaft sleeve and the external spline shaft are in spline connection. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, and can reduce the size of the whole equipment through the arranged cavity and the self-aligning bearing and the connecting shaft arranged in the cavity so as to ensure that the structure is compact.

Description

Transmission shaft

Technical Field

The utility model relates to the technical field of automobile accessory equipment, in particular to a transmission shaft.

Background

Automotive drive shafts are important components in automotive transmission systems, connecting a transmission to a drive axle. The basic parameters of the transmission shaft are determined by the general layout design of the automobile, and the transmission shaft must be reasonably matched with the whole automobile to meet the performance requirement of the whole automobile. The basic parameters of transmission shafts of different vehicle types are different, and the basic structures are similar. The existing transmission shaft is usually formed into closed or open universal joint transmission by adopting a cross shaft universal joint;

the utility model aims to provide a transmission shaft which is compact in structure, easy to machine and low in manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the transmission shaft, which overcomes the defects of the prior art, has reasonable design and compact structure, the size of the whole equipment can be reduced by the self-aligning bearing and the connecting shaft which are arranged in the cavity through the arranged cavity, so that the structure is compact, the first connecting shaft and the inner spline shaft sleeve can be fixed by the positioning shaft through the arranged positioning shaft, the cost of the used positioning shaft is controllable, the whole manufacturing cost is reduced, the structure is more compact, the inner spline shaft sleeve is matched with the outer spline shaft through the arranged inner spline shaft sleeve and the arranged outer spline shaft to connect the first connecting disc with the second connecting disc, and the processing is convenient.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a transmission shaft, includes first flange and second flange, seted up first cavity on the first flange, be provided with first connecting axle on the inner wall of first cavity, the other end of first connecting axle is connected with the external spline axle, and the cover is equipped with first aligning bearing on the first connecting axle, has seted up the second cavity on the second flange, is provided with the second connecting axle on the inner wall of second cavity, and the other end of second connecting axle is connected with the internal spline axle sleeve, and the cover is equipped with second aligning bearing on the second connecting axle, internal spline axle sleeve and external spline axle are splined connection.

Preferably, the external spline shaft and the internal spline shaft sleeve are both L-shaped.

Preferably, through holes are formed in the tail portions of the first connecting disc and the second connecting disc, positioning shafts penetrate through the through holes, and rubber bodies are sleeved inside the positioning shafts.

Preferably, the positioning shaft extends to the horizontal direction of the external spline shaft.

Preferably, the positioning shaft extends to the horizontal direction of the internal spline shaft sleeve.

(III) advantageous effects

The embodiment of the utility model provides a transmission shaft. The method has the following beneficial effects:

1. through the cavity that sets up, the size of whole equipment can be reduced to self-aligning bearing and the connecting axle that sets up in the cavity for compact structure.

2. Through the location axle that sets up, the location axle can be fixed first connecting axle and internal spline axle sleeve, and the location axle cost of use is controllable for holistic manufacturing cost reduces, and the structure is also compacter.

3. Through the internal spline axle sleeve and the external spline shaft that set up, internal spline axle sleeve cooperation external spline shaft can be connected first flange and second flange, convenient processing.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a first flange; 11. a first cavity; 12. a first connecting shaft; 13. an external spline shaft; 14. a first self-aligning bearing; 2. a second flange; 21. a second cavity; 22. a second connecting shaft; 23. a second self-aligning bearing; 24. an internal spline shaft sleeve; 3. a through hole; 31. positioning the shaft; 32. a rubber body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawing 1, a transmission shaft comprises a first flange 1 and a second flange 2, the first flange 1 is connected to a dynamometer end, the second flange 2 is connected to an engine, the first flange 1 is provided with a first cavity 11, the first cavity 11 is a circular cavity, the size of the first cavity is slightly larger than that of a first self-aligning bearing 14, the first cavity 11 is arranged at the central position of the tail of the first flange 1, the inner wall of the first cavity 11 is provided with a first connecting shaft 12, the other end of the first connecting shaft 12 is connected with an outer spline shaft 13, the first connecting shaft 12 is connected to the joint of an L-shaped outer spline shaft 13, the first connecting shaft 12 is sleeved with the first self-aligning bearing 14, the first self-aligning bearing 14 can adjust the position of the outer spline shaft 13, the second flange 2 is provided with a second cavity 21, the second cavity 21 can be connected with the engine, the inner wall of the second cavity 21 is provided with a second connecting shaft 22, the center department at second cavity 21 is connected to second connecting axle 22, the other end of second connecting axle 22 is connected with internal spline axle sleeve 24, second connecting axle 22 is connected with the internal spline axle sleeve 24 junction of L shape, the cover is equipped with second self-aligning bearing 23 on the second connecting axle 22, the position of internal spline axle 24 can be adjusted to second self-aligning bearing 23, internal spline axle sleeve 24 and external spline axle 13 are splined connection, can bear great load, can also improve the rotational speed of transmission shaft.

In this embodiment, the external spline shaft 13 and the internal spline shaft sleeve 24 are both L-shaped, and the L-shaped external spline shaft 13 and the L-shaped internal spline shaft sleeve 24 are distributed in an axisymmetric manner.

In this embodiment, all seted up through-hole 3 on the afterbody of first flange 1 and second flange 2, seted up the through-hole 3 of symmetry on first flange 1 and the second flange 2 respectively, wear to be equipped with location axle 31 in the through-hole 3, location axle 31 slightly is less than through-hole 3, and the inside cover of location axle 31 is equipped with the rubber body 32.

In the present embodiment, the positioning shaft 31 extends in the horizontal direction of the male spline shaft 13, and can fix the male spline shaft 13 to the first receiving plate 1.

In this embodiment, the positioning shaft 31 extends in the horizontal direction of the female spline shaft sleeve 24, and can fix the female spline shaft to the second flange 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A transmission shaft comprises a first flange (1) and a second flange (2);

the method is characterized in that: a first cavity (11) is formed in the first connecting disc (1), a first connecting shaft (12) is arranged on the inner wall of the first cavity (11), the other end of the first connecting shaft (12) is connected with an external spline shaft (13), and a first aligning bearing (14) is sleeved on the first connecting shaft (12);

a second cavity (21) is formed in the second connecting disc (2), a second connecting shaft (22) is arranged on the inner wall of the second cavity (21), the other end of the second connecting shaft (22) is connected with an internal spline shaft sleeve (24), and a second self-aligning bearing (23) is sleeved on the second connecting shaft (22);

the inner spline shaft sleeve (24) is in spline connection with the outer spline shaft (13).

2. A drive shaft according to claim 1, wherein: the external spline shaft (13) and the internal spline shaft sleeve (24) are L-shaped.

3. A drive shaft according to claim 1, wherein: through-hole (3) have all been seted up on the afterbody of first flange (1) and second flange (2), wear to be equipped with location axle (31) in through-hole (3), the inside cover of location axle (31) is equipped with rubber body (32).

4. A drive shaft according to claim 3, wherein: the positioning shaft (31) extends to the horizontal direction of the external spline shaft (13).

5. A drive shaft according to claim 3, wherein: the positioning shaft (31) extends to the horizontal direction of the internal spline shaft sleeve (24).