CN213451681U

CN213451681U - Rubber sealing element for transmission shaft

Info

Publication number: CN213451681U
Application number: CN202022155008.9U
Authority: CN
Inventors: 杨利专
Original assignee: Hubei Lihengrui Seal Co ltd
Current assignee: Hubei Lihengrui Seal Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-15
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a rubber seal spare for transmission shaft, including a location section of thick bamboo, the inside of a location section of thick bamboo is fixed with the first bearing and the second bearing of symmetric distribution, and first bearing and second bearing circumference inner wall are fixed with the transmission shaft, the front side outer wall of a location section of thick bamboo is opened there is first recess, and the inner wall of first recess is fixed with first sealed the pad, and the outside that the inner wall of first recess is located first sealed pad is fixed with first heat dissipation circle, the rear end of a location section of thick bamboo is opened there is the second recess, and the inner wall of second recess is fixed with the sealed pad of second. The utility model discloses a sealed pad of first sealed pad, first heat dissipation circle, the sealed pad of second, the second heat dissipation circle that sets up, it is not good to have solved the sealed effect of transmission shaft among the prior art, and the dust is sealed through the transmission shaft easily, gets into rolling bearing, causes the technical problem that rolling bearing damaged, improves the leakproofness of transmission shaft, prevents the dust to get into the bearing, extension rolling bearing life.

Description

Rubber sealing element for transmission shaft

Technical Field

The utility model relates to a transmission shaft technical field especially relates to a rubber seal for transmission shaft.

Background

The transmission shaft is a high-speed, low-bearing rotating body, so that the dynamic balance of the transmission shaft is crucial. The dynamic balance test is carried out on a general transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the transmission is arranged to transmit the rotation of the transmission to the shaft of the final drive, and the transmission can be provided with a plurality of joints, and the joints can be connected through universal joints.

The mechanical sealing device used in the current market often causes abnormal operation of equipment due to poor sealing, more seriously, the blackened powder is scattered in raw materials to bring great quality problems to production, especially to medical production equipment, and the medicine is polluted thereby, so that the quality of products can not be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rubber sealing part for a transmission shaft.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rubber seal for transmission shaft, includes a location section of thick bamboo, the inside of a location section of thick bamboo is fixed with first bearing and the second bearing of symmetric distribution, and first bearing and second bearing circumference inner wall are fixed with the transmission shaft, the front side outer wall of a location section of thick bamboo is opened there is first recess, and the inner wall of first recess is fixed with first sealed the pad, and the inner wall of first recess is located the outside of first sealed pad and is fixed with first heat dissipation circle, the rear end of a location section of thick bamboo is opened there is the second recess, and the inner wall of second recess is fixed with the sealed pad of second, and the inner wall of second recess is located the outside that the sealed pad of second and is fixed with the second heat dissipation circle.

Preferably, a first oil storage tank is arranged in the positioning cylinder and close to the first bearing, a first oil pipe is arranged in the positioning cylinder, and one end of the first oil pipe is connected with the first oil storage tank.

Preferably, a second oil storage tank is arranged in the positioning cylinder and close to the second bearing, a second oil pipe is arranged in the positioning cylinder, and one end of the second oil pipe is connected with the second oil storage tank.

Preferably, the ends of the second oil pipe and the first oil pipe, which are far away from the transmission shaft, are provided with sealing plugs.

Preferably, a protective sleeve is fixed on the outer wall of the circumference of the positioning cylinder, and a supporting block is fixed on the outer wall of the bottom of the protective sleeve.

Preferably, a bottom plate is fixed on the outer wall of the bottom of the supporting block.

Preferably, a reinforcing block is fixed on the outer wall of the top of the bottom plate and is positioned outside the supporting block.

Compared with the prior art, the utility model provides a rubber seal for transmission shaft possesses following beneficial effect:

1. through the first sealed pad, first heat dissipation circle, the sealed pad of second, the second heat dissipation circle that sets up, it is not good to have solved the sealed effect of transmission shaft among the prior art, and the dust is sealed through the transmission shaft easily, gets into rolling bearing, causes the technical problem that rolling bearing damaged, improves the leakproofness of transmission shaft, prevents the dust to get into the bearing, extension rolling bearing life.

2. Through second oil pipe, second oil storage tank, first oil pipe, the first oil storage tank that sets up, add oil to second oil storage tank and first oil storage tank respectively from second oil pipe and first oil pipe, increase the lubricated effect of second bearing, first bearing and transmission shaft, extension device's life.

3. Through the reinforcing block that sets up, increased the intensity of supporting shoe, make more firm, the safety of device, guarantee that the device can long-time steady operation.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of simple and compact overall structure, the front and back both ends are sealed effectual, and economic practicality is good, and safety and stability nature is good.

Drawings

Fig. 1 is a schematic perspective view of a rubber sealing member for a transmission shaft according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a rubber sealing member for a transmission shaft according to the present invention;

fig. 3 is a schematic side view of the rubber sealing member for a transmission shaft according to the present invention.

In the figure: 1-a sealing plug, 2-a protective sleeve, 3-a positioning cylinder, 4-a first heat dissipation ring, 5-a first sealing gasket, 6-a transmission shaft, 7-a supporting block, 8-a bottom plate, 9-a second sealing gasket, 10-a second heat dissipation ring, 11-a second bearing, 12-a second oil pipe, 13-a second oil storage tank, 14-a first oil pipe, 15-a first oil storage tank, 16-a first bearing and 17-a reinforcing block.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a rubber sealing member for a transmission shaft comprises a positioning cylinder 3, a first bearing 16 and a second bearing 11 which are symmetrically distributed are fixed inside the positioning cylinder 3, a transmission shaft 6 is fixed on the circumferential inner walls of the first bearing 16 and the second bearing 11, a first groove is formed on the front outer wall of the positioning cylinder 3, a first sealing gasket 5 is fixed on the inner wall of the first groove, a first heat dissipation ring 4 is fixed on the inner wall of the first groove, which is positioned on the outer side of the first sealing gasket 5, a second groove is formed on the rear end of the positioning cylinder 3, a second sealing gasket 9 is fixed on the inner wall of the second groove, a second heat dissipation ring 10 is fixed on the inner wall of the second groove, which is positioned on the outer side of the second sealing gasket 9, so that the technical problems that the sealing effect of the transmission shaft is poor, dust is easy to pass through the transmission shaft seal and enter the rotary bearing to cause the damage of the rotary bearing in the, prevent dust from entering the bearing and prolong the service life of the rotating bearing.

The utility model discloses in, the position that the inside of a location section of thick bamboo 3 is close to first bearing 16 is provided with first oil storage tank 15, and the inside of a location section of thick bamboo 3 is opened has first oil pipe 14, and first oil pipe 14's one end is connected with first oil storage tank 15.

The utility model discloses in, the inside position that is close to second bearing 11 of a location section of thick bamboo 3 is provided with second oil storage tank 13, and the inside of a location section of thick bamboo 3 is opened there is second oil pipe 12, and the one end of second oil pipe 12 is connected with second oil storage tank 13, adds oil from second oil pipe 12 and first oil pipe 14 respectively to second oil storage tank 13 and first oil storage tank 15 in, increases second bearing 11, the lubricated effect of first bearing 16 and transmission shaft 6, extension fixture's life.

The utility model discloses in, the one end that transmission shaft 6 was kept away from to second oil pipe 12 and first oil pipe 14 is provided with sealing plug 1.

The utility model discloses in, the circumference outer wall of a location section of thick bamboo 3 is fixed with protective sheath 2, and the bottom outer wall of protective sheath 2 has supporting shoe 7 through the fix with screw.

In the utility model, the bottom outer wall of the supporting block 7 is fixed with a bottom plate 8 through screws.

The working principle is as follows: during the use, add oil from second oil pipe 12 and first oil pipe 14 respectively to second oil storage tank 13 and first oil storage tank 15 in, increase the lubricated effect of second bearing 11, first bearing 16 and transmission shaft 6, first sealed pad 5 and second sealed pad 9 prevent outside dust to get into the bearing, prevent simultaneously that the inside dust particle of device from scattering in the outside raw materials.

Example 2

Referring to fig. 3, the rubber sealing member for a transmission shaft according to this embodiment further includes a reinforcing block 17 fixed to the top outer wall of the bottom plate 8, and the reinforcing block 17 is located outside the supporting block 7, so as to ensure that the device can operate stably for a long time.

The working principle is as follows: when in use, the reinforcing block 17 increases the strength of the supporting block 7, so that the device is firmer and safer.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rubber seal for transmission shaft, includes a location section of thick bamboo (3), the inside of a location section of thick bamboo (3) is fixed with first bearing (16) and second bearing (11) of symmetric distribution, and first bearing (16) and second bearing (11) circumference inner wall are fixed with transmission shaft (6), a serial communication port, the front side outer wall of a location section of thick bamboo (3) is opened has first recess, and the inner wall of first recess is fixed with first sealed pad (5), and the outside that the inner wall of first recess is located first sealed pad (5) is fixed with first heat dissipation circle (4), the rear end of a location section of thick bamboo (3) is opened has the second recess, and the inner wall of second recess is fixed with the sealed pad of second (9), and the outside that the inner wall of second recess is located the sealed pad of second (9) is fixed with second heat dissipation circle (10).

2. The rubber seal for the transmission shaft according to claim 1, wherein a first oil storage groove (15) is formed in the positioning cylinder (3) at a position close to the first bearing (16), a first oil pipe (14) is formed in the positioning cylinder (3), and one end of the first oil pipe (14) is connected with the first oil storage groove (15).

3. The rubber seal for the transmission shaft according to claim 2, wherein a second oil storage tank (13) is arranged inside the positioning cylinder (3) and close to the second bearing (11), a second oil pipe (12) is arranged inside the positioning cylinder (3), and one end of the second oil pipe (12) is connected with the second oil storage tank (13).

4. A rubber seal for a propeller shaft according to claim 3, characterised in that the ends of the second oil pipe (12) and the first oil pipe (14) remote from the propeller shaft (6) are provided with sealing plugs (1).

5. The rubber seal for the transmission shaft according to claim 4, wherein the protective sleeve (2) is fixed on the outer circumferential wall of the positioning cylinder (3), and the supporting block (7) is fixed on the outer bottom wall of the protective sleeve (2).

6. A rubber seal for propeller shafts according to claim 5, wherein a bottom plate (8) is fixed to the bottom outer wall of the support block (7).

7. The rubber seal for a propeller shaft according to claim 6, wherein a reinforcing block (17) is fixed to the top outer wall of the bottom plate (8), and the reinforcing block (17) is located outside the support block (7).