CN220706390U

CN220706390U - Sealing rubber ring

Info

Publication number: CN220706390U
Application number: CN202322113390.0U
Authority: CN
Inventors: 曹永辉; 吴志武; 孙学付; 温东芳
Original assignee: Huizhou Boling Industrial Co ltd
Current assignee: Huizhou Boling Industrial Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-04-02
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to the technical field of sealing, in particular to a sealing rubber ring. The sealing rubber ring comprises a ring body, the outer ring walls on the upper side and the lower side of the ring body are fixedly embedded with integrally formed annular ribs, and an annular cavity is formed in each annular rib; the inner ring is arranged on the inner ring wall of the ring body, the outer ring wall of the inner ring is fixedly embedded with a plurality of layers of elastic fold rings which are distributed up and down, and the outer ring wall of the elastic fold ring is fixedly embedded on the inner ring wall of the ring body. When the inner ring is sleeved on the rotating shaft or the piston rod, the inner ring abuts against the elastic fold ring to compress, and the protruding ring on the arc-shaped connecting part slides outwards along the sliding groove, so that the contact area between the inner ring and the inner wall of the rotating shaft or the piston rod is enhanced, and the phenomena that the sealing ring is easy to extrude and leak, the structure is distorted and easy to wear during movement of the rotating shaft or the piston rod are avoided.

Description

Sealing rubber ring

Technical Field

The utility model relates to the technical field of sealing, in particular to a sealing rubber ring.

Background

In various mechanical, chemical, metallurgical and other devices, it is necessary to provide an effective seal at the device interface, and where appropriate, in order to prevent leakage of liquids and gases, and for this purpose, sealing rings, gaskets and the like are often employed as the most basic sealing elements. The sealing ring is widely used because of the effects of high elasticity, stable performance, difficult swelling in a medium, small heat shrinkage effect and the like;

in actual use, the sealing rubber ring is easy to be accepted because the inner wall of the sealing ring is smooth

The external environment is interfered to generate the offset and the falling off conditions, so that the sealing ring is poor in firmness, and the sealing ring is sleeved on the rotating shaft or the piston rod and is difficult to have the sealing effect once being offset and falling off.

Therefore, it is necessary to provide a new sealing rubber ring to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a sealing rubber ring.

The sealing rubber ring provided by the utility model comprises: the ring body is fixedly embedded with annular ribs formed integrally on the outer ring walls on the upper side and the lower side of the ring body, and an annular cavity is formed in each annular rib;

the inner ring is arranged on the inner ring wall of the ring body, the outer ring wall of the inner ring is fixedly embedded with a plurality of layers of elastic fold rings which are distributed up and down, and the outer ring wall of the elastic fold ring is fixedly embedded on the inner ring wall of the ring body.

Preferably, a convex arc ring is fixedly embedded between the two annular ridges, and a plurality of rubber rings are fixedly embedded on the outer ring wall of the convex arc ring.

Preferably, a sealed inner cavity is arranged between the outer ring wall of the ring body and the outer convex arc ring.

Preferably, the upper end and the lower end of the inner ring are embedded with arc-shaped connecting parts, and the cross sections of the inner ring and the two arc-shaped connecting parts are of U-shaped structures.

Preferably, the tail end of the arc-shaped connecting part is fixedly embedded with a convex ring.

Preferably, the protruding ring is inserted into a sliding groove formed in the ring body and is in sliding connection with the sliding groove.

Compared with the related art, the sealing rubber ring provided by the utility model has the following beneficial effects:

1. the annular ridges which are distributed up and down are arranged on the outer side of the ring body to play a role in preventing dust, and the annular ridges are inwards bent after the ring body is pressed, so that the outwards convex arc-shaped ring between the two annular ridges is along the two sides, and the volume of the inner cavity is reduced along with the ring body due to the compression of the ring body, and the ring body can be more firmly abutted in the mounting groove by being matched with the outwards convex arc-shaped ring which extends outwards;

2. when the inner ring is sleeved on the rotating shaft or the piston rod, the inner ring abuts against the elastic fold ring to compress, and at the moment, the protruding ring on the arc-shaped connecting part slides outwards along the sliding groove, so that the contact area between the inner ring and the inner wall of the rotating shaft or the piston rod is enhanced, and the phenomena that the sealing ring is easy to extrude and leak, the structure is distorted and easy to wear during movement of the rotating shaft or the piston rod are avoided.

Drawings

FIG. 1 is a schematic view of a sealing rubber ring according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the sealing rubber ring shown in FIG. 1.

Reference numerals in the drawings: 1. a ring body; 1a, a sliding groove; 2. annular ridges; 2a, an annular cavity; 2b, inner cavity; 3. a convex arc ring; 31. a rubber ring; 4. an inner ring; 41. an arc-shaped connecting part; 42. a raised ring; 5. an elastic fold ring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 2, a sealing rubber ring provided in an embodiment of the present utility model includes: the ring body 1, the annular ridge 2 and the inner ring 4.

In the embodiment of the present utility model, referring to fig. 1 and 2, the outer ring walls on the upper and lower sides of the ring body 1 are fixedly embedded with integrally formed annular ribs 2, each annular rib 2 is provided with an annular cavity 2a, an outer convex arc ring 3 is fixedly embedded between two annular ribs 2, the outer ring wall of the outer convex arc ring 3 is fixedly embedded with a plurality of rubber rings 31, and a sealed inner cavity 2b is arranged between the outer ring wall of the ring body 1 and the outer convex arc ring 3.

It should be noted that: the annular ridges 2 distributed up and down are arranged on the outer side of the ring body 1 to play a role in preventing dust, and meanwhile the annular ridges 2 are inwards bent after the ring body 1 is pressed, so that the outwards convex arc-shaped rings 3 between the two annular ridges 2 are along the two sides, and the volume of the inner cavity 2b is reduced along with the ring body 1 due to the fact that the ring body 1 is compressed, and the ring body is matched with the outwards convex arc-shaped rings 3 which extend outwards to enable the ring body to be firmly abutted in the mounting groove.

In the embodiment of the present utility model, referring to fig. 1 and 2, an inner ring 4 is disposed on an inner ring wall of the ring body 1, and a plurality of layers of elastic fold rings 5 distributed up and down are fixedly embedded on an outer ring wall of the inner ring, and the outer ring wall of the elastic fold ring 5 is fixedly embedded on an inner ring wall of the ring body 1;

the upper end and the lower end of the inner ring 4 are respectively embedded with an arc-shaped connecting part 41, the cross sections of the inner ring 4 and the two arc-shaped connecting parts 41 are of U-shaped structures, the tail end of the arc-shaped connecting part 41 is fixedly embedded with a protruding ring 42, and the protruding ring 42 is inserted into a sliding groove 1a formed in the ring body 1 and is in sliding connection with the sliding groove 1 a.

It should be noted that: when the inner ring 4 is sleeved on the rotating shaft or the piston rod, the inner ring 4 abuts against the elastic fold ring 5 to compress, at the moment, the protruding ring 42 on the arc-shaped connecting part 41 slides outwards along the sliding groove 1a, so that on one hand, the contact area between the inner ring 4 and the inner wall of the rotating shaft or the piston rod is enhanced, and on the other hand, the phenomenon that the sealing ring is easy to extrude and leak, the structure is distorted and easy to wear when the rotating shaft or the piston rod moves is avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A sealing rubber ring, comprising: the ring comprises a ring body (1), wherein annular ribs (2) formed integrally are fixedly embedded in outer ring walls on the upper side and the lower side of the ring body (1), and an annular cavity (2 a) is formed in each annular rib (2);

the inner ring (4) is arranged on the inner ring wall of the ring body (1), the outer ring wall of the inner ring is fixedly embedded with a plurality of layers of elastic fold rings (5) which are distributed up and down, and the outer ring wall of the elastic fold rings (5) is fixedly embedded on the inner ring wall of the ring body (1).

2. The sealing rubber ring according to claim 1, wherein a convex arc ring (3) is fixedly embedded between the two annular ridges (2), and a plurality of rubber rings (31) are fixedly embedded on the outer ring wall of the convex arc ring (3).

3. Sealing rubber ring according to claim 2, characterized in that a sealed inner cavity (2 b) is arranged between the outer ring wall of the ring body (1) and the outer convex arc ring (3).

4. The sealing rubber ring according to claim 1, wherein the upper end and the lower end of the inner ring (4) are embedded with arc-shaped connecting parts (41), and the cross sections of the inner ring (4) and the two arc-shaped connecting parts (41) are of U-shaped structures.

5. Sealing rubber ring according to claim 4, characterized in that the end of the arc-shaped connecting part (41) is fixedly fitted with a protruding ring (42).

6. Sealing rubber ring according to claim 5, characterized in that the raised ring (42) is inserted into a sliding groove (1 a) provided in the ring body (1) and is slidingly connected with the sliding groove (1 a).