CN219263022U

CN219263022U - Universal joint transmission shaft

Info

Publication number: CN219263022U
Application number: CN202320831324.4U
Authority: CN
Inventors: 严志权; 葛锦玉
Original assignee: Foshan Zhichen Transmission Machinery Co ltd
Current assignee: Foshan Zhichen Transmission Machinery Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-06-27
Anticipated expiration: 2033-04-13

Abstract

The utility model relates to the technical field of transmission shafts and discloses a universal joint transmission shaft which comprises a transmission rod, wherein connecting blocks are arranged on the outer surfaces of two ends of the transmission rod, rotating grooves are formed in the other ends of the connecting blocks, cross universal joints are connected in the rotating grooves in a rotating mode, rotating heads are fixedly connected to the other two ends of the cross universal joints, clamping grooves are formed in one sides of the outer surfaces of the rotating heads and the connecting blocks, and rubber connecting pads are arranged on the outer surfaces of the rotating heads and the outer surfaces of the connecting blocks. According to the utility model, through the arrangement of the rubber protection sleeve and the rubber connecting pad, the rubber protection sleeve is sleeved on the outer surface of the cross universal joint when in use, and the clamping block on the lower surface of the rubber connecting pad is pushed into the clamping groove, so that the rubber protection sleeve can be fixed on the outer surface of the cross universal joint, the protection of the cross universal joint can be improved, the entry of dust and impurities can be reduced, and the service time of the transmission shaft can be prolonged.

Description

Universal joint transmission shaft

Technical Field

The utility model relates to the technical field of transmission shafts, in particular to a universal joint transmission shaft.

Background

The transmission shaft is the part that is used for power transmission, is indispensable in mechanical structure, and the transmission shaft wide application is to automobile parts, among various machine parts, and the most important part is the universal joint in the transmission shaft, and the universal joint can help the transmission shaft not influence the transmission when rotating, and the universal joint mainly divide into cross universal joint and ball cage universal joint, and cross universal joint is because simple structure, transmission effect are good by wide application, but present cross universal joint is exposed outside, is stained with some dust or impurity easily when using and causes the jam of universal joint to make the life of universal joint shorten.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a universal joint transmission shaft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the universal joint transmission shaft comprises a transmission rod, the both ends surface of transmission rod all is provided with the connecting block, the other end of connecting block all is provided with the rotation groove, the inside rotation of rotation groove is connected with the cross universal joint, the other both ends fixedly connected with of cross universal joint rotates the head, the draw-in groove has all been seted up to the surface one side of rotating head and connecting block, the surface of rotating head and connecting block all is provided with the rubber connection pad, the equal fixedly connected with fixture block in lower surface middle part of rubber connection pad, the equal fixedly connected with rubber protective sheath of adjacent side of rubber connection pad, both sides the fixed orifices has all been seted up in the surface middle part of one side of rotating the head, the inside of fixed orifices all is provided with the mounting.

As a further description of the above technical solution:

the inside of transfer line has seted up the mounting groove, the other end fixedly connected with installation pole of connecting block, the surface sliding connection of installation pole is in the inside of mounting groove.

As a further description of the above technical solution:

an oil inlet is formed in the outer surface of one side of the connecting block, and the other end of the oil inlet is arranged in the rotating groove.

As a further description of the above technical solution:

the rubber protective sleeve is arranged on the outer surface of the joint of the connecting block and the rotating head, and one end of the rotating head is rotationally connected with one end of the connecting block through a cross universal joint.

As a further description of the above technical solution:

the outer surface of fixture block is laminated mutually with the inner wall of draw-in groove, both sides the lower surface of rubber connection pad is laminated mutually with the surface middle part of connecting block and rotating head respectively.

As a further description of the above technical solution:

the fixed orifices run through the surface of rotating the head, the one end of mounting runs through the rotating the head through the fixed orifices.

As a further description of the above technical solution:

the rubber protection sleeve is made of flexible rubber materials, the rubber connecting pad is made of rubber materials, and the clamping block is made of hard rubber materials.

The utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the rubber protection sleeve and the rubber connecting pad, the rubber protection sleeve is sleeved on the outer surface of the cross universal joint when in use, and the clamping block on the lower surface of the rubber connecting pad is pushed into the clamping groove, so that the rubber protection sleeve can be fixed on the outer surface of the cross universal joint, the protection of the cross universal joint can be improved, the entry of dust and impurities can be reduced, and the service time of the transmission shaft can be prolonged.

Drawings

FIG. 1 is a top view of a propeller shaft of a universal joint according to the present utility model;

FIG. 2 is a partial cross-sectional view of a universal joint drive shaft according to the present utility model;

fig. 3 is an enlarged view of a of fig. 2.

Legend description:

1. a transmission rod; 2. a mounting groove; 3. a connecting block; 4. a rotating groove; 5. a cross universal joint; 6. a rotating head; 7. a clamping groove; 8. a fixing hole; 9. a rubber connection pad; 10. a rubber protective sleeve; 11. a clamping block; 12. a fixing member; 13. a mounting rod; 14. and an oil inlet hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the universal joint transmission shaft, including transfer line 1, the both ends surface of transfer line 1 all is provided with connecting block 3, the other end of connecting block 3 all is provided with rotary groove 4, the inside rotation of rotary groove 4 is connected with cross universal joint 5, the other both ends fixedly connected with rotary head 6 of cross universal joint 5, draw-in groove 7 has all been seted up to the surface one side of rotary head 6 and connecting block 3, the surface of rotary head 6 and connecting block 3 all is provided with rubber connection pad 9, the equal fixedly connected with fixture block 11 in the middle part of the lower surface of rubber connection pad 9, the equal fixedly connected with rubber protection sleeve 10 of adjacent side of rubber connection pad 9, after assembling connecting block 3 and rotary head 6 together, with rubber protection sleeve 10 cover at the upper surface of cross universal joint 5, when the rubber protection pad at rubber protection sleeve 10 both ends slides respectively at the surface of connecting block 3 and rotary head 6, the fixture block 11 of pulling rubber connection pad 9 drives its lower surface and moves the inside that makes it get into draw-in groove 7, just can fix the surface at cross universal joint 5 with rubber protection sleeve 10 under the cooperation of fixture block 11 and draw-in groove 7, just can realize improving the reduction to cross universal joint 5 and the inside with the equal fixedly connected with the inside of the fixed part of the cross universal joint 8, the inside has set up the inside diameter of the fixed part of the cross universal joint 8, the inside has the fixed slot 8, the inside has the fixed hole 12 with the fixed part is fixed hole 12, the inside the other end is fixed with the fixed part is fixed with the other end 8, and the other end is fixed with the inside has the fixed hole 8.

The mounting groove 2 has been seted up to the inside of transfer line 1, the other end fixedly connected with installation pole 13 of connecting block 3, the surface sliding connection of installation pole 13 is in the inside of mounting groove 2, install the installation pole 13 of connecting block 3 one end into the inside of mounting groove 2 with connecting block 3 and transfer line 1 link together, inlet port 14 has been seted up to one side surface of connecting block 3, the other end setting of inlet port 14 is in the inside of rotating groove 4, setting up through inlet port 14 can conveniently pour into the inside of cross universal joint 5 with lubricating oil, just can realize dismantling the number of times of rubber protective sheath 10 when reducing the interpolation lubricating oil, conveniently add lubricating oil simultaneously, rubber protective sheath 10 sets up the surface at the junction of connecting block 3 and rotating head 6, conveniently protect cross universal joint 5, the one end of rotating head 6 is rotated through cross universal joint 5 and is connected in the one end of connecting block 3, make the transmission shaft rotate conveniently, the surface of fixture block 11 is laminated with the inner wall of draw-in groove 7 mutually, the lower surface of both sides rubber connection pad 9 respectively with connecting block 3 and rotating head 6's surface middle part laminating mutually, make conveniently fix rubber protective sheath 10, the one end of mounting 12 runs through fixing member 8 and blocks the inside of cross joint 6 through fixing hole 8, make the cross joint 10 and make the flexible material and prevent the universal joint 10 from rotating for the flexible material.

Working principle: when the universal joint transmission shaft provided by the utility model is used, the mounting rod 13 at one end of the connecting block 3 is mounted into the mounting groove 2 to connect the connecting block 3 with the transmission rod 1, the rotating head 6 is further fixed through the cross universal joint 5, the other end of the rotating head 6 is further inserted into a proper position, then the fixing piece 12 is inserted into the fixing hole 8, the rotating head 6 is fixed, the transmission shaft can be connected with other objects, the assembly of the transmission shaft is facilitated, after the connecting block 3 and the rotating head 6 are assembled together, the rubber protection sleeve 10 is sleeved on the upper surface of the cross universal joint 5, when the rubber protection pads at two ends of the rubber protection sleeve 10 are respectively slid on the outer surfaces of the connecting block 3 and the rotating head 6, the rubber connection pad 9 is pulled to drive the clamping blocks 11 at the lower surfaces of the rubber protection sleeve to move into the inner parts of the clamping grooves 7, the rubber protection sleeve 10 can be fixed on the outer surfaces of the cross universal joint 5 under the cooperation of the clamping blocks 11 and the clamping grooves 7, and the service time of the transmission shaft is prolonged.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Universal joint transmission shaft, including transfer line (1), its characterized in that: the utility model discloses a rubber protection sleeve for a motor vehicle, including transmission pole (1), connecting block (3), fixed orifices (8) are all offered in the inside rotation of rotating groove (4), cross universal joint (5), joint (6) are all offered at other both ends fixedly connected with of cross universal joint (5), draw-in groove (7) have all been offered in surface one side of rotating head (6) and connecting block (3), the surface of rotating head (6) and connecting block (3) all is provided with rubber connection pad (9), the equal fixedly connected with fixture block (11) in lower surface middle part of rubber connection pad (9), equal fixedly connected with rubber protection sleeve (10) in adjacent side of rubber connection pad (9), both sides the fixed orifices (8) are all offered in the surface middle part of one side of rotating head (6), the inside of fixed orifices (8) all is provided with mounting (12).

2. The universal joint drive shaft according to claim 1, wherein: the transmission rod is characterized in that a mounting groove (2) is formed in the transmission rod (1), the other end of the connecting block (3) is fixedly connected with a mounting rod (13), and the outer surface of the mounting rod (13) is slidably connected in the mounting groove (2).

3. The universal joint drive shaft according to claim 1, wherein: an oil inlet (14) is formed in the outer surface of one side of the connecting block (3), and the other end of the oil inlet (14) is arranged in the rotating groove (4).

4. The universal joint drive shaft according to claim 1, wherein: the rubber protection sleeve (10) is arranged on the outer surface of the joint of the connecting block (3) and the rotating head (6), and one end of the rotating head (6) is rotationally connected with one end of the connecting block (3) through the cross universal joint (5).

5. The universal joint drive shaft according to claim 1, wherein: the outer surface of the clamping block (11) is attached to the inner wall of the clamping groove (7), and the lower surfaces of the rubber connecting pads (9) on two sides are attached to the middle parts of the outer surfaces of the connecting block (3) and the rotating head (6) respectively.

6. The universal joint drive shaft according to claim 1, wherein: the fixing hole (8) penetrates through the outer surface of the rotating head (6), and one end of the fixing piece (12) penetrates through the rotating head (6) through the fixing hole (8).

7. The universal joint drive shaft according to claim 1, wherein: the rubber protection sleeve (10) is made of flexible rubber materials, the rubber connecting pad (9) is made of rubber materials, and the clamping block (11) is made of hard rubber materials.