CN215257831U

CN215257831U - High-sealing-performance oil seal for grease lubrication

Info

Publication number: CN215257831U
Application number: CN202121680567.XU
Authority: CN
Inventors: 程珊
Original assignee: Kunshan Mks Oil Seal Industrial Co ltd
Current assignee: Kunshan Mks Oil Seal Industrial Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-21
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a be used for lubricated high leakproofness oil blanket of fat, including oil blanket main part, elastic rubber pad, dead slot, horn mouth and extension mouth, the outside of oil blanket main part is equipped with oil blanket outside screw thread, the internal oil blanket skeleton that is equipped with of oil blanket main part, the interior bottom of oil blanket main part is equipped with the rubber pad, the dead slot has been seted up to the bottom of oil blanket main part, the inboard of oil blanket main part is equipped with the inboard screw thread of oil blanket, the spring way has been seted up on the upper portion of oil blanket main part. The sealing performance and the toughness required during working are enhanced. The beneficial effects of the utility model are that, through the two-way screw thread of the oil blanket outside screw thread that sets up and the two-way screw thread of the inboard screw thread of oil blanket, and the holistic effect of oil blanket skeleton rubber pad, elastic rubber pad and dead slot, help strengthening required toughness of leakproofness and during operation, strengthened the required hardness of work, improved the life-span of using, reduced the cost of manufacture, reduced self weight.

Description

High-sealing-performance oil seal for grease lubrication

Technical Field

The utility model relates to an oil blanket field, especially a high leakproofness oil blanket for fat is lubricated.

Background

The oil seal is a mechanical element for sealing oil, and separates a part needing lubrication in a transmission part from a force-applying part, so that the lubricating oil is prevented from leaking. The sealing elements for static sealing and dynamic sealing are called sealing elements, and the oil seal comprises a crankshaft rear oil seal, a gearbox front and rear oil seal, a left and right half shaft oil seal, a main speed reducer front oil seal, an air compressor crankshaft oil seal and the like.

The existing oil seal has insufficient sealing performance and insufficient toughness and is easy to break, for example, a multi-point supporting rotation eccentric type combined oil seal disclosed in the publication No. CN201821826728.X has high maintenance cost and seriously affects the working efficiency and benefit of machinery.

The utility model provides a be used for lubricated high leakproofness oil blanket of fat has complemented current leakproofness, realizes with two-way thread seal, and improves toughness with rubber, has satisfied the required toughness of work, difficult fracture scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a high leakproofness oil blanket for fat lubrication has been designed.

The technical scheme of the utility model be, a be used for lubricated high leakproofness oil blanket of fat, including oil blanket main part, elastic rubber pad, dead slot, horn mouth and extension mouth, the outside of oil blanket main part is equipped with oil blanket outside screw thread, the internal oil blanket skeleton that is equipped with of oil blanket main part, the interior bottom of oil blanket main part is equipped with the rubber pad, the dead slot has been seted up to the bottom of oil blanket main part, the inboard of oil blanket main part is equipped with the inboard screw thread of oil blanket, the spring way has been seted up on the upper portion of oil blanket main part. The sealing performance and the toughness required during working are enhanced.

As the utility model discloses a further explain, oil blanket outside screw thread sets up the whole cover of surface in the oil blanket main part, the oil blanket main part is HT250, oil blanket outside screw thread has strengthened the leakproofness for two-way screw thread, is difficult for leaking, and the oil blanket main part satisfies the demand of work for HT 250.

As the utility model discloses a further explanation, the cross sectional shape of oil blanket skeleton is "L" shape, oil blanket skeleton and rubber pad contact. The hardness required by the work is enhanced, and the service life is prolonged.

As a further explanation of the utility model, the oil seal framework is fixedly connected with the bottom of the rubber pad on the surface, and the rubber pad is made of hydrogenated nitrile butadiene rubber material. The toughness of the whole body is enhanced, and the toughness requirement in working is met.

As a further explanation of the present invention, the two sides of the elastic rubber pad are connected to the empty groove, the upper end face of the elastic rubber pad is fixedly connected to the bottom of the oil seal main body, and the empty groove is opened at the bottom of the oil seal main body. The overall toughness is enhanced, and the manufacturing cost is reduced.

As a further explanation of the present invention, the bell mouth is disposed at the upper end of the inner side thread of the oil seal, and the inner side thread of the oil seal is a two-way thread. The sealing performance is enhanced by the bidirectional threads of the threads on the inner side of the oil seal, and the bell mouth is enlarged for better closing and convenient use.

As a further explanation of the present invention, the spring path is provided on the upper portion of the oil seal main body for a rotation of a circle, and the spring path is semicircular in shape. The manufacturing cost is reduced, and the self weight is reduced.

As a further explanation of the present invention, the lower end of the inner side thread of the oil seal is fixedly connected to the extension opening, and the extension opening is disposed at the bottom end of the oil seal main body. The purpose is to better seal the inner thread of the oil seal and better fix other parts.

The oil seal has the beneficial effects that the sealing performance and the toughness required during working are enhanced, the hardness required during working is enhanced, the service life is prolonged, the manufacturing cost is reduced, and the self weight is reduced through the arranged two-way threads of the outer side threads of the oil seal, the two-way threads of the inner side threads of the oil seal and the integral effects of the oil seal framework rubber pad, the elastic rubber pad and the empty groove.

Drawings

Fig. 1 is a schematic structural view of the whole oil seal main body of the present invention;

FIG. 2 is a schematic structural view of the cross section of the oil seal framework of the present invention;

FIG. 3 is a schematic structural view of the elastic rubber pad of the present invention;

fig. 4 is a schematic structural view of the inner side thread of the oil seal of the present invention.

In the figure, 1, an oil seal main body; 2. the outer side of the oil seal is threaded; 3. an oil seal framework; 4. a rubber pad; 5. an elastic rubber pad; 6. an empty groove; 7. a bell mouth; 8. threads on the inner side of the oil seal; 9. a spring path; 10. the opening is extended.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a be used for lubricated high leakproofness oil blanket of fat as shown in fig. 1-4, including oil blanket main part 1, elastic rubber pad 5, dead slot 6, horn mouth 7 and extension mouth 10, the outside of oil blanket main part 1 is equipped with oil blanket outside screw thread 2, and the internal oil blanket skeleton 3 that is equipped with of oil blanket main part 1, the interior bottom of oil blanket main part 1 are equipped with rubber pad 4, and dead slot 6 has been seted up to the bottom of oil blanket main part 1, and the inboard of oil blanket main part 1 is equipped with oil blanket inboard screw thread 8, and spring way 9 has been seted up on the upper portion of oil blanket main part 1.

The oil seal outer side thread 2 is arranged on the outer surface of the oil seal main body 1 and integrally covers the outer surface, the oil seal main body 1 is HT250, and the oil seal outer side thread 2 is a bidirectional thread. The cross-sectional shape of oil blanket skeleton 3 is "L" shape, and oil blanket skeleton 3 and rubber pad 4 contact. The surface of the oil seal framework 3 is fixedly connected with the bottom of a rubber pad 4, and the rubber pad 4 is made of hydrogenated butadiene-acrylonitrile rubber material.

The both sides and the dead slot 6 of elastic rubber pad 5 are connected, and the up end fixed connection of elastic rubber pad 5 is in the bottom of oil blanket main part 1, and the dead slot 6 is seted up in the bottom of oil blanket main part 1. The bell mouth 7 is arranged at the upper end of the inner side thread 8 of the oil seal, and the inner side thread 8 of the oil seal is a bidirectional thread. The spring channel 9 is arranged at the upper part of the oil seal main body 1 and rotates for one circle, and the shape of the spring channel 9 is semicircular. The lower end of the inner side thread 8 of the oil seal is fixedly connected with an extension opening 10, and the extension opening 10 is arranged at the bottom end of the oil seal main body 1.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when the utility model is used, a high leakproofness oil blanket for grease lubrication realizes sealed effect through the two-way screw thread of oil blanket outside screw thread 2 and the two-way screw thread of oil blanket inboard screw thread 8, can not take place the phenomenon that spills, the utility model discloses help strengthening the leakproofness, satisfy the required requirement of work.

Referring to the attached drawings 1-4 of the specification, when the utility model is used, the oil seal framework 3 realizes the function of reinforcing the whole structure, the cross section of the oil seal framework 3 is in an L shape, the toughness requirement is increased when the sealing is enhanced, the utility model discloses help strengthening the work toughness, the required toughness requirement of during operation.

Referring to the attached drawings 1-4 of the specification, when the utility model is used, the rubber pad 4, the elastic rubber pad 5 and the empty groove 6 are used, the utility model discloses obtain the toughness requirement of during operation, have better activity space when the atress, wholly realize increasing the required toughness requirement of work, adaptation work occasion that can be better, when saving the cost, the utility model discloses help strengthening the required toughness of during operation.

Claims

1. The utility model provides a high leakproofness oil blanket for fat lubrication, includes oil blanket main part (1), elastic rubber pad (5), dead slot (6), horn mouth (7) and extension mouth (10), its characterized in that, the outside of oil blanket main part (1) is equipped with oil blanket outside screw thread (2), the internal oil blanket skeleton (3) that is equipped with of oil blanket main part (1), the interior bottom of oil blanket main part (1) is equipped with rubber pad (4), dead slot (6) have been seted up to the bottom of oil blanket main part (1), the inboard of oil blanket main part (1) is equipped with oil blanket inboard screw thread (8), spring way (9) have been seted up on the upper portion of oil blanket main part (1).

2. The high-sealability oil seal for grease lubrication according to claim 1, wherein the oil seal outside thread (2) is arranged on the outer surface of the oil seal main body (1) to cover the whole, the oil seal main body (1) is HT250, and the oil seal outside thread (2) is a two-way thread.

3. The high-sealability oil seal for grease lubrication of claim 1, wherein the cross-sectional shape of the oil seal skeleton (3) is "L" shape, and the oil seal skeleton (3) is in contact with the rubber pad (4).

4. The high-sealing oil seal for grease lubrication according to claim 3, wherein the surface of the oil seal framework (3) is fixedly connected with the bottom of the rubber pad (4), and the rubber pad (4) is made of hydrogenated nitrile rubber.

5. The oil seal with high sealing performance for grease lubrication according to claim 2, wherein two sides of the elastic rubber pad (5) are connected with the empty groove (6), the upper end face of the elastic rubber pad (5) is fixedly connected to the bottom of the oil seal main body (1), and the empty groove (6) is formed in the bottom of the oil seal main body (1).

6. A high-sealability oil seal for grease lubrication according to claim 1, wherein the bell mouth (7) is provided at the upper end of the oil seal inside thread (8), and the oil seal inside thread (8) is a two-way thread.

7. The high-sealability oil seal for grease lubrication of claim 1, wherein the spring path (9) is opened at the upper part of the oil seal body (1) for one rotation, and the spring path (9) is semicircular in shape.

8. A high-sealability oil seal for grease lubrication according to claim 6, wherein the lower end of the thread (8) inside the oil seal is fixedly connected to an extension port (10), and the extension port (10) is arranged at the bottom end of the oil seal main body (1).