CN220749041U

CN220749041U - High-tightness rubber O-shaped ring

Info

Publication number: CN220749041U
Application number: CN202322275061.6U
Authority: CN
Inventors: 杜金陵; 晏青松; 杨晏; 郭义明
Original assignee: Chengchuang Sealing Technology Jiangsu Co ltd
Current assignee: Chengchuang Sealing Technology Jiangsu Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-09
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to a high-tightness rubber O-shaped ring, which comprises a ring body, wherein a first annular ring is fixedly arranged at the top of the ring body, a first inner ring is fixedly arranged at the top of the first annular ring, a first outer ring is fixedly arranged at the top of the first annular ring, a second annular ring is fixedly arranged at the bottom of the ring body, a second inner ring is fixedly arranged at the top of the second annular ring, and a second outer ring is fixedly arranged at the top of the second annular ring. This high leakproofness rubber O type circle has reached the purpose of carrying out the adaptation to the surface of sealing member through being provided with first inner circle and second inner circle for the surface of sealing member closely laminates with the internal surface of rubber O type circle, has improved the sealing performance of rubber O type circle, through being provided with first outer lane and second outer lane, plays the effect of carrying out the adaptation to the internal surface of sealing member, makes the internal surface of sealing member closely laminate with the surface of rubber O type circle, has satisfied user's user demand.

Description

High-tightness rubber O-shaped ring

Technical Field

The utility model relates to the technical field of rubber O-shaped rings, in particular to a high-tightness rubber O-shaped ring.

Background

The rubber O-shaped ring is used for sealing a piston in a reciprocating hydraulic cylinder, is made of polyurethane TPU, CPU and rubber, has excellent sealing performance and long service life, has the dynamic pressure sealing service life which is 5 to 10 times higher than that of a conventional rubber sealing product and can be tens times higher than that of the conventional rubber sealing product, and can be the same as a sealing substrate under certain conditions.

At present, the elastic bodies at the top and the bottom of the existing rubber O-shaped ring are not provided with a mechanism for adapting to a sealing piece, so that the sealing performance of the rubber O-shaped ring and the sealing piece is reduced, and the use requirement of a user is not met, and therefore the high-tightness rubber O-shaped ring is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the high-tightness rubber O-shaped ring, which has the advantage of adapting the sealing element, and solves the problems that the elastic bodies at the top and the bottom of the conventional rubber O-shaped ring do not have a mechanism for adapting the sealing element, the sealing performance of the rubber O-shaped ring and the sealing element is reduced, and the use requirement of a user is not met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high leakproofness rubber O type circle, includes the circle body, the top fixed mounting of circle body has first annular circle, the bottom fixed mounting of circle body has the second annular circle, the internal surface fixed mounting of circle body has the sealing ring, the surface fixed mounting of circle body has the retaining ring.

Further, a first inner ring is fixedly arranged at the top of the first annular ring, and a first outer ring is fixedly arranged at the top of the first annular ring.

Further, a second inner ring is fixedly arranged at the top of the second annular ring, and a second outer ring is fixedly arranged at the top of the second annular ring.

Further, the diameters of the first inner ring and the second inner ring gradually decrease from the opposite side to the opposite side.

Further, the first inner ring, the first outer ring, the second inner ring and the second outer ring are all made of fluororubber.

Further, the sealing ring is filled polytetrafluoroethylene.

Further, the retainer ring is polyamide resin.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this high leakproofness rubber O type circle has reached the purpose of carrying out the adaptation to the surface of sealing member through being provided with first inner circle and second inner circle for the surface of sealing member closely laminates with the internal surface of rubber O type circle, has improved the sealing performance of rubber O type circle, through being provided with first outer lane and second outer lane, plays the effect of carrying out the adaptation to the internal surface of sealing member, makes the internal surface of sealing member closely laminate with the surface of rubber O type circle, has satisfied user's user demand.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 3 is a top cross-sectional view of the structure of the present utility model, fig. 1.

In the figure: 1. a ring body; 2. a first annular ring; 3. a first inner ring; 4. a first outer race; 5. a second annular ring; 6. a second inner ring; 7. a second outer race; 8. a seal ring; 9. and (5) a retainer ring.

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, a high-tightness rubber O-ring in this embodiment includes a ring body 1, a first annular ring 2 is fixedly installed at the top of the ring body 1, a first inner ring 3 is fixedly installed at the top of the first annular ring 2, a first outer ring 4 is fixedly installed at the top of the first annular ring 2, a second annular ring 5 is fixedly installed at the bottom of the ring body 1, a second inner ring 6 is fixedly installed at the top of the second annular ring 5, a second outer ring 7 is fixedly installed at the top of the second annular ring 5, a joint between the outer surface of the ring body 1 and the inner surface of a sealing member is adapted through the first outer ring 4 and the second outer ring 7, a sealing ring 8 is fixedly installed at the inner surface of the ring body 1, and a retainer ring 9 is fixedly installed at the outer surface of the ring body 1.

The diameters of the first inner ring 3 and the second inner ring 6 gradually decrease from opposite sides to opposite sides, the joint of the inner surface of the ring body 1 and the outer surface of the sealing element is adapted through the first inner ring 3 and the second inner ring 6, and the first inner ring 3, the first outer ring 4, the second inner ring 6 and the second outer ring 7 are all made of fluororubber.

The sealing ring 8 is filled with polytetrafluoroethylene, the sealing ring 8 seals the outer surface of the sealing piece, the retainer ring 9 is made of polyamide resin, and the retainer ring 9 improves the wear resistance of the ring body 1.

Specifically, the joint of the inner surface of the ring body 1 and the outer surface of the sealing element is matched through the first inner ring 3 and the second inner ring 6, the joint of the outer surface of the ring body 1 and the inner surface of the sealing element is matched through the first outer ring 4 and the second outer ring 7, the outer surface of the sealing element is sealed through the sealing ring 8, the wear resistance of the ring body 1 is improved through the retainer ring 9, the sealing performance of the rubber O-shaped ring is improved, and the use requirement of a user is met.

The working principle of the embodiment is as follows:

the joint of the inner surface of the ring body 1 and the outer surface of the sealing element is matched through the first inner ring 3 and the second inner ring 6, the joint of the outer surface of the ring body 1 and the inner surface of the sealing element is matched through the first outer ring 4 and the second outer ring 7, the outer surface of the sealing element is sealed through the sealing ring 8, and the wear resistance of the ring body 1 is improved through the retainer ring 9.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a high leakproofness rubber O type circle, includes circle body (1), its characterized in that: the novel sealing ring is characterized in that a first annular ring (2) is fixedly arranged at the top of the ring body (1), a second annular ring (5) is fixedly arranged at the bottom of the ring body (1), a sealing ring (8) is fixedly arranged on the inner surface of the ring body (1), and a check ring (9) is fixedly arranged on the outer surface of the ring body (1).

2. The high-tightness rubber O-ring of claim 1, wherein: the top of the first annular ring (2) is fixedly provided with a first inner ring (3), and the top of the first annular ring (2) is fixedly provided with a first outer ring (4).

3. The high-tightness rubber O-ring of claim 1, wherein: the top of the second annular ring (5) is fixedly provided with a second inner ring (6), and the top of the second annular ring (5) is fixedly provided with a second outer ring (7).

4. A high tightness rubber O-ring according to claim 2, wherein: the diameters of the first inner ring (3) and the second inner ring (6) gradually decrease from the opposite side to the opposite side.

5. A high tightness rubber O-ring according to claim 2, wherein: the first inner ring (3), the first outer ring (4), the second inner ring (6) and the second outer ring (7) are all made of fluororubber.

6. The high-tightness rubber O-ring of claim 1, wherein: the sealing ring (8) is filled with polytetrafluoroethylene.

7. The high-tightness rubber O-ring of claim 1, wherein: the retainer ring (9) is made of polyamide resin.