CN215720152U

CN215720152U - Novel high stable transmission shaft

Info

Publication number: CN215720152U
Application number: CN202121817711.XU
Authority: CN
Inventors: 王广伟; 李论; 张雨波
Original assignee: Wuxi Fuwangde Technology Co ltd
Current assignee: Wuxi Fuwangde Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-01
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a novel high-stability transmission shaft which comprises a first connecting shaft and a second connecting shaft, wherein a telescopic sleeve is jointly arranged between the first connecting shaft and the second connecting shaft, the outer side walls of the first connecting shaft and the second connecting shaft are respectively and fixedly connected with four first limiting rods and four second limiting rods, the outer side wall of the telescopic sleeve is provided with a sliding groove, limiting components are jointly arranged inside the four first limiting rods and the four second limiting rods, each limiting component comprises a limiting ring, and a reinforcing ring is fixedly connected inside each limiting ring in an embedded mode. According to the utility model, the first limiting rod and the second limiting rod are matched with each other, the limiting rod is fixedly connected to the outer part of the connecting shaft, and when the telescopic sleeve is telescopic on the spline shaft at one end of the connecting shaft, the limiting rod slides in the corresponding sliding groove to limit the telescopic sleeve, so that the stability of the transmission shaft is effectively improved.

Description

Novel high stable transmission shaft

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a novel high-stability transmission shaft.

Background

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. The transmission shaft consists of a shaft tube, a telescopic sleeve and a universal joint. The telescopic sleeve can automatically adjust the change of the distance between the transmission and the drive axle. The universal joint ensures the change of the included angle between two axes of the output shaft of the speed changer and the input shaft of the drive axle and realizes the equal angular speed transmission of the two shafts.

Wherein current transmission shaft telescope tube is when using, and stability is general, and live time has been of a specified duration, produces wearing and tearing between the inside axle sleeve of telescope tube and the integral key shaft, leads to the flexible emergence skew of telescope tube, and the power conversion effect variation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the existing transmission shaft telescopic sleeve is long in service time, abrasion is generated between the shaft sleeve inside the telescopic sleeve and the spline shaft, the telescopic sleeve is enabled to stretch and deflect, and the power conversion effect is poor.

In order to solve the technical problems, the utility model adopts a technical scheme that: the novel high-stability transmission shaft comprises a first connecting shaft and a second connecting shaft, wherein a telescopic sleeve is jointly arranged between the first connecting shaft and the second connecting shaft, the outer side walls of the first connecting shaft and the second connecting shaft are respectively and fixedly connected with four first limiting rods and four second limiting rods, the outer side wall of the telescopic sleeve is provided with a sliding groove, and limiting assemblies are jointly arranged inside the four first limiting rods and the four second limiting rods;

the limiting assembly comprises a limiting ring, and a reinforcing ring is fixedly connected with the limiting ring in an embedded mode.

Preferably, four first gag lever post and four second gag lever posts are crisscross setting, have guaranteed that the gag lever post plays spacing effect time, and the atress of each angle is even.

Preferably, the four first limiting rods and the four second limiting rods are uniformly distributed outside the telescopic sleeve in an annular shape.

Preferably, four first gag lever post and four second gag lever posts respectively with the spout inner wall sliding connection that corresponds, utilize the gag lever post to slide in the spout, be convenient for carry on spacingly to the flexible direction of telescope tube to lick the stability of dog transmission shaft during operation, keep the power conversion effect of transmission shaft.

Preferably, four through holes are formed in the first limiting rod and the four second limiting rods, the outer side walls of the limiting rings are smoothly attached to the inner walls of the through holes, and the limiting rings slide in the through holes in the limiting rods, so that the limiting rods are protected and are not prone to deformation.

Preferably, the mounting hole has all been seted up to one side that first even axle and second were kept away from each other, is convenient for install accessories such as universal joint.

Preferably, the strengthening ring is made of carbon steel, has high structural strength, is convenient for better limiting the sliding between the telescopic sleeve and the connecting shaft, and improves the transmission stability of the transmission shaft.

The utility model has the following beneficial effects:

1. according to the utility model, the first limiting rod and the second limiting rod are matched with each other, the limiting rod is fixedly connected to the outer part of the connecting shaft, and when the telescopic sleeve is telescopic on the spline shaft at one end of the connecting shaft, the limiting rod slides in the corresponding sliding groove to limit the telescopic sleeve, so that the stability of the transmission shaft is effectively improved.

2. The utility model is provided with the limiting ring and the through hole, the limiting rod is limited by the limiting ring embedded with the carbon steel ring, and the limiting stability of the limiting rod is ensured, so that the telescopic sleeve is dually stabilized by combining the limiting rod and the sliding groove, and the stability of the transmission shaft is greatly improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of a spacing assembly of the present invention;

fig. 3 is a schematic view of the structure of the mounting hole of the present invention.

In the figure: 1. a first coupling shaft; 2. a second coupling shaft; 3. a telescopic sleeve; 4. a first limit rod; 5. a second limiting rod; 6. a chute; 7. a limiting component; 701. a limiting ring; 702. a reinforcing ring; 8. a through hole; 9. and (7) installing holes.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Please refer to fig. 1, a novel high-stability transmission shaft, including first connecting shaft 1 and second connecting shaft 2, a telescopic sleeve 3 is commonly arranged between first connecting shaft 1 and second connecting shaft 2, the outer side walls of first connecting shaft 1 and second connecting shaft 2 are fixedly connected with four first limiting rods 4 and four second limiting rods 5 respectively, four first limiting rods 4 and four second limiting rods 5 are uniformly distributed in the telescopic sleeve 3, and the four first limiting rods 4 and four second limiting rods 5 are arranged in a staggered manner, so that when the limiting rods play a limiting role, the stress of each angle is uniform.

Spout 6 has been seted up to 3 lateral walls of telescope tube, and four first gag lever posts 4 and four second gag lever posts 5 respectively with 6 inner wall sliding connection of spout that correspond, utilize the gag lever post to slide in spout 6, are convenient for carry on spacingly to the flexible direction of telescope tube 3 to lick the stability of dog transmission shaft during operation, keep the power conversion effect of transmission shaft.

As shown in fig. 2, the limiting assemblies 7 are jointly arranged inside the four first limiting rods 4 and the four second limiting rods 5, wherein each limiting assembly 7 comprises a limiting ring 701, through holes 8 are formed inside the four first limiting rods 4 and the four second limiting rods 5, the outer side walls of the limiting rings 701 are smoothly attached to the inner walls of the through holes 8, and the limiting rings 701 slide in the through holes 8 in the limiting rods, so that the limiting rods are protected and are not prone to deformation.

The inside fixedly connected with of spacing ring 701 strengthens ring 702 to strengthen ring 702 and be the carbon steel material, structural strength is great, is convenient for carry out better spacing to slip between telescope tube 3 and the connecting shaft, improves stability.

As shown in fig. 3, a mounting hole 9 is formed in one side, away from each other, of each of the first connecting shaft 1 and the second connecting shaft 2, so that the universal joint and other accessories can be conveniently mounted.

When the telescopic sleeve is used, the telescopic sleeve 3 slides and stretches on the spline shaft between the first connecting shaft 1 and the second connecting shaft 2, and at the moment, the first limiting rod 4 and the second limiting rod 5 respectively slide in the corresponding sliding grooves 6, so that the first connecting shaft 1, the second connecting shaft 2 and the telescopic sleeve 3 are limited, and a first-layer stabilizing effect is achieved.

In the sliding process of the first limiting rod 4 and the second limiting rod 5, the limiting ring 701 penetrates through the through hole 8 to limit the four first limiting rods 4 and the four second limiting rods 5, and meanwhile, the reinforcing ring 702 is embedded into the limiting ring 701, so that the structural strength of the limiting ring 701 is guaranteed, and the stabilizing effect of the second layer is achieved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a novel high stable transmission shaft, includes first even axle (1) and second even axle (2), its characterized in that: a telescopic sleeve (3) is arranged between the first connecting shaft (1) and the second connecting shaft (2) together, the outer side walls of the first connecting shaft (1) and the second connecting shaft (2) are fixedly connected with four first limiting rods (4) and four second limiting rods (5) respectively, a sliding groove (6) is formed in the outer side wall of the telescopic sleeve (3), and limiting assemblies (7) are arranged inside the four first limiting rods (4) and the four second limiting rods (5) together;

the limiting assembly (7) comprises a limiting ring (701), and a reinforcing ring (702) is embedded and fixedly connected in the limiting ring (701).

2. The novel high-stability transmission shaft according to claim 1, wherein: the four first limiting rods (4) and the four second limiting rods (5) are arranged in a staggered mode.

3. The novel high-stability transmission shaft according to claim 1, wherein: the four first limiting rods (4) and the four second limiting rods (5) are uniformly distributed outside the telescopic sleeve (3) in an annular shape.

4. The novel high-stability transmission shaft according to claim 1, wherein: the four first limiting rods (4) and the four second limiting rods (5) are respectively in sliding connection with the inner walls of the corresponding sliding grooves (6).

5. The novel high-stability transmission shaft according to claim 1, wherein: four through holes (8) have all been seted up to first gag lever post (4) and four second gag lever posts (5) inside, spacing ring (701) lateral wall and the smooth laminating of through hole (8) inner wall.

6. The novel high-stability transmission shaft according to claim 1, wherein: mounting holes (9) are formed in one sides, far away from each other, of the first connecting shaft (1) and the second connecting shaft (2).

7. The novel high-stability transmission shaft according to claim 1, wherein: the strengthening ring (702) is made of carbon steel.