CN211202654U

CN211202654U - Universal structure of transmission shaft

Info

Publication number: CN211202654U
Application number: CN201922016419.7U
Authority: CN
Inventors: 钱佩华
Original assignee: Suzhou Su Drive Shaft Co ltd
Current assignee: Suzhou Su Drive Shaft Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-07
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses an universal structure of transmission shaft, including the drum, the inside left side fixed mounting of drum has the fixed block, the inside right side of drum is provided with the slider, the inside of drum is provided with telescoping device and universal device, universal device is including setting up the circular slot inside the slider, the inside of circular slot is provided with the round piece, the telescoping device includes first turning block and the left second turning block of fixed mounting at the round piece on fixed block right side, both sides all are provided with the diaphragm around first turning block and the second turning block, and the spout has been seted up to one side of diaphragm, the equal fixed mounting in both sides has the slide bar around first turning block and the second turning block. The utility model discloses a set up telescoping device and universal device, the telescoping device can play the cushioning effect when fixed connection mechanism is not hard up or the collision between machinery, prevents that transmission shaft universal mechanism is impaired, guarantees transmission shaft normal use, has also improved the life of transmission shaft.

Description

Universal structure of transmission shaft

Technical Field

The utility model relates to a transmission shaft technical field specifically is an universal structure of transmission shaft.

Background

The dynamic balance of the moving shaft is crucial, the dynamic balance test is carried out on the general transmission shaft before leaving factory, and the dynamic balance is adjusted on the balancing machine, for the vehicle driven by the front engine and the rear wheel, the rotation of the speed changer is transmitted to the shaft of the main speed reducer, which can be several joints, and the joints can be connected by universal joints.

The universal structure of the existing transmission shaft is a fragile part in the transmission shaft and is easy to be damaged by overlarge stress, so that the universal structure with the buffering function is provided to reduce the probability of damage of the universal structure of the transmission shaft.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an universal structure of transmission shaft has solved foretell problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a universal structure of a transmission shaft comprises a cylinder, wherein a fixed block is fixedly arranged on the left side inside the cylinder, a sliding block is arranged on the right side inside the cylinder, and a telescopic device and a universal device are arranged inside the cylinder;

the universal device comprises a circular groove arranged in the sliding block, and a circular block is arranged in the circular groove;

the telescopic device comprises a first rotating block and a second rotating block, wherein the first rotating block and the second rotating block are fixedly mounted on the right side of the fixed block, transverse plates are arranged on the front side and the rear side of the first rotating block and the second rotating block respectively, a sliding groove is formed in one side of each transverse plate, sliding rods are fixedly mounted on the front side and the rear side of the first rotating block and the second rotating block respectively, the sliding rods are matched with the sliding grooves through clamping blocks, and the right end of the first rotating block and the left end of the second rotating block are fixedly connected with springs.

Preferably, a first connecting flange is fixedly mounted on the left side of the cylinder, and a second connecting flange is fixedly mounted on the right side of the round block through a connecting rod.

Preferably, a telescopic protective sleeve is arranged at the position, corresponding to the round block, of the peripheral side of the connecting rod.

Preferably, both sides of the circular groove are provided with trumpet-shaped openings.

Preferably, the sliding block is movably arranged in the cylinder, the outer wall of the cylinder is in contact with the inner wall of the cylinder, and the right side of the cylinder is provided with the blocking mechanism.

Advantageous effects

The utility model provides an universal structure of transmission shaft. The method has the following beneficial effects:

this universal structure of transmission shaft, through having set up telescoping device and universal device, the telescoping device can play the cushioning effect when fixed connection mechanism is not hard up or the collision between machinery, prevents that the universal mechanism of transmission shaft is impaired, guarantees transmission shaft normal use, has also improved the life of transmission shaft.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a top view of the transverse plate of the present invention.

In the figure: 1. a cylinder; 2. a fixed block; 3. a slider; 4. a first rotating block; 5. a circular groove; 6. a round block; 7. a second turning block; 8. a transverse plate; 9. a chute; 10. a slide bar; 11. a spring; 12. a first connecting flange; 13. a second connecting flange; 14. a telescopic protective sleeve; 15. a connecting rod; 16. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a universal structure of a transmission shaft comprises a cylinder 1, a fixed block 2 is fixedly installed on the left side inside the cylinder 1, a sliding block 3 is arranged on the right side inside the cylinder 1, a telescopic device and a universal device are arranged inside the cylinder 1, the universal device comprises a circular groove 5 arranged inside the sliding block 3, a circular block 6 is arranged inside the circular groove 5, the telescopic device comprises a first rotating block 4 fixedly installed on the right side of the fixed block 2 and a second rotating block 7 fixedly installed on the left side of the circular block 6, transverse plates 8 are arranged on the front side and the rear side of the first rotating block 4 and the front side and the rear side of the second rotating block 7 respectively, a sliding groove 9 is formed in one side of each transverse plate 8, a sliding rod 10 is fixedly installed on the front side and the rear side of each first rotating block 4 and the rear side of each second rotating block 7 respectively, each sliding rod 10 is matched with the corresponding sliding groove 9 through a clamping block 16, when the transmission shaft is compressed or extended, the sliding block 3 slides in the cylinder 1, and the universal mechanism has the functions and can still normally turn due to the arrangement of the transverse plate 8, the sliding groove 9 and other elements, so that the service life of the device is prolonged, and the damage to the transmission shaft caused by the change of external force is reduced.

Wherein, the left side of the cylinder 1 is fixedly provided with a first connecting flange 12, and the right side of the round block 6 is fixedly provided with a second connecting flange 13 through a connecting rod 15.

Wherein the position that the week side of connecting rod 13 corresponds with circle piece 6 is provided with flexible protective sheath 14, and flexible protective sheath 14 can prevent that the dust from getting into barrel 1 inside, reduces wearing and tearing.

The two sides of the circular groove 5 are provided with horn-shaped openings, and the size of the openings can be adjusted according to actual needs in order to match the steering range of the connecting rod 13 and the second rotating block 7.

Wherein the slider 3 activity sets up in drum 1, and the outer wall of drum 1 and the inner wall contact of drum 1, and the right side of drum 1 is provided with blocking mechanism, and blocking mechanism prevents slider 3 roll-off barrel 1, has confirmed the flexible scope of transmission shaft.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A universal structure of a transmission shaft comprises a cylinder (1), and is characterized in that: a fixed block (2) is fixedly arranged on the left side inside the cylinder (1), a sliding block (3) is arranged on the right side inside the cylinder (1), and a telescopic device and a universal device are arranged inside the cylinder (1);

the universal device comprises a circular groove (5) arranged in the sliding block (3), and a circular block (6) is arranged in the circular groove (5);

the telescopic device comprises a first rotating block (4) and a second rotating block (7), wherein the first rotating block (4) and the second rotating block (7) are fixedly mounted on the right side of a fixed block (2), transverse plates (8) are arranged on the front side and the rear side of the first rotating block (4) and the second rotating block (7), a sliding groove (9) is formed in one side of each transverse plate (8), sliding rods (10) are fixedly mounted on the front side and the rear side of the first rotating block (4) and the second rotating block (7) respectively, the sliding rods (10) are matched with the sliding grooves (9) through clamping blocks (16), and the right end of the first rotating block (4) and the left end of the second rotating block (7) are fixedly connected with springs (11).

2. The universal joint structure of a propeller shaft according to claim 1, wherein: the left side fixed mounting of drum (1) has first flange (12), the right side of circle piece (6) is through connecting rod (15) fixed mounting second flange (13).

3. The universal joint structure of a propeller shaft according to claim 2, wherein: and a telescopic protective sleeve (14) is arranged at the position of the peripheral side of the connecting rod (15) corresponding to the round block (6).

4. The universal joint structure of a propeller shaft according to claim 1, wherein: and horn-shaped openings are arranged on two sides of the circular groove (5).

5. The universal joint structure of a propeller shaft according to claim 1, wherein: the sliding block (3) is movably arranged in the cylinder (1), the outer wall of the cylinder (1) is in contact with the inner wall of the cylinder (1), and the right side of the cylinder (1) is provided with a blocking mechanism.