CN215950360U

CN215950360U - Combined sealing ring

Info

Publication number: CN215950360U
Application number: CN202122268519.6U
Authority: CN
Inventors: 王振; 田栋
Original assignee: Shandong Deyuan Sealing Technology Co ltd
Current assignee: Shandong Deyuan Sealing Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-04
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of sealing rings, in particular to a combined sealing ring which comprises an outer ring, an inner ring and convex blocks, wherein the inner side of the outer ring is connected with the inner ring, the outer side of the outer ring is connected with the convex blocks, the convex blocks and the outer ring are integrally arranged, and the convex blocks are symmetrically arranged. The utility model overcomes the defects of the prior art, and the inner sealing ring, the outer sealing ring and the elastic ring are arranged, so that the wear resistance and the sealing performance of the whole sealing ring can be weakened in the long-time use process, the whole sealing effect is stronger and the firmness of the whole sealing ring is improved by arranging the outer sealing ring and the two inner sealing rings and arranging the anti-pressure layer and the reinforcing layer in the inner sealing ring, the wear resistance of the whole sealing ring is improved by arranging the elastic ring and the anti-wear layer in the elastic ring, the service life of the whole sealing ring is prolonged, and the practical use is facilitated.

Description

Combined sealing ring

Technical Field

The utility model relates to a sealing ring, in particular to a combined sealing ring.

Background

A seal consisting of more than two elements is called a composite seal gasket. The most common and simplest combination seals are made of steel and oil resistant rubber. In addition, the rubber-plastic combined coaxial sealing ring composed of polytetrafluoroethylene and oil-resistant rubber can meet the requirements of high pressure resistance, high temperature resistance, low friction coefficient and long service life.

However, the service life of the existing partially combined type sealing ring is short, the wear resistance and the sealing performance of the existing partially combined type sealing ring are gradually weakened after the existing partially combined type sealing ring is used for a long time, so that the whole sealing effect is caused to be problematic, the service life of the existing partially combined type sealing ring is shortened, and the existing partially combined type sealing ring is not beneficial to actual use due to the fact that the existing partially combined type sealing ring is easily influenced by pressure when the existing partially combined type sealing ring is used, the sealing ring is deviated, and the sealing ring is separated.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the combined sealing ring, which overcomes the defects of the prior art, has simple structural design, and effectively solves the problems that the service life of the existing partially combined sealing ring is short, the wear resistance and the sealing property of the existing partially combined sealing ring are gradually weakened after long-time use, so that the integral sealing effect is caused to be problematic, the service life of the existing partially combined sealing ring is shortened, the actual use is not facilitated, and the existing partially combined sealing ring is easily influenced by pressure when in use, so that the situations that the sealing ring is deviated and the sealing ring is separated are caused, and the actual use is not facilitated.

In order to solve the technical problems, the utility model provides the following technical scheme:

a combined sealing ring comprises an outer ring, an inner ring and a lug, wherein the inner side of the outer ring is connected with the inner ring, and the outer sides of the outer ring are connected with the lug;

the lugs are all arranged integrally with the outer ring and are symmetrically arranged.

Preferably, the middle part of the outer side of the outer ring is provided with an elastic ring, the elastic ring is arranged in an embedded mode, and a wear-resistant layer is attached to the inner portion of the elastic ring.

Preferably, the inner sides of the inner rings are provided with grooves which are arranged in parallel.

Preferably, the inner seal ring is arranged in the groove and embedded into the groove, and the inner seal ring comprises a pressure-resistant layer.

Preferably, a reinforcing layer is bonded to the inner part of the pressure-resistant layer, and a ring core is contained in the reinforcing layer and is arranged in a ring shape.

Preferably, the bottom of the outer ring is connected with an outer sealing ring, and the volume of the outer sealing ring is twice of that of the inner sealing ring.

The embodiment of the utility model provides a combined sealing ring, which has the following beneficial effects: the improved combined sealing ring has the advantages that the service life is long, the condition that the wear resistance and the sealing performance cannot be weakened after long-time use can be ensured, the overall sealing effect is strong, the service life is prolonged, the actual use is facilitated, in addition, the improved combined sealing ring can avoid the condition that the sealing ring deviates and the sealing ring is separated from under the influence of pressure when in use, and the actual use is facilitated.

1. Through setting up the inner seal circle, external seal circle and elastic ring, when using for a long time, the condition that weakens can appear in the holistic wearability of sealing washer and leakproofness, through being equipped with external seal circle and two inner seal circle and inner seal circle inside and being equipped with anti-compression layer and back up coat, make holistic sealed effect stronger, improve holistic firm degree, through being equipped with the elastic ring, its elastic ring is inside to be equipped with the wearing layer, holistic wearability has been improved, thereby holistic life has been increased, and is favorable to in-service use.

2. Through setting up recess and lug, when the sealing washer is installed, make the sealing washer wholly fix the sealing washer through the lug when the installation through being equipped with the lug for the condition of skew can not appear in the whole sealing washer, through being equipped with the recess, when the sealing washer receives pressure, set up through the inner seal circle embedding and set up the condition emergence that can not appear deviating in making the more stability of inner seal circle in the recess, be favorable to in-service use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 3 is a schematic view of the overall bottom structure of the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a bump; 4. an elastic ring; 5. an inner seal ring; 6. a wear layer; 7. a pressure resistant layer; 8. a reinforcement layer; 9. a ring core; 10. an outer sealing ring; 11. and (4) a groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b):

referring to fig. 1 specifically, a combined seal ring comprises an outer ring 1, an inner ring 2 and a bump 3, wherein the inner side of the outer ring 1 is connected with the inner ring 2, the outer side of the outer ring 1 is connected with the bump 3, the bump 3 is integrally arranged with the outer ring 1, the bump 3 is symmetrically arranged, and when the seal ring is mounted, the bump 3 is inserted into a fixing groove to fix the outer ring 1 and the inner ring 2, so that the whole condition of deviation can not occur, and the combined seal ring is favorable for practical use.

Referring to fig. 2, an elastic ring 4 is arranged in the middle of the outer side of the outer ring 1, the elastic ring 4 is used for placing the whole sealing ring to be worn, the elastic ring 4 is embedded, a wear-resistant layer 6 is attached to the inner portion of the elastic ring 4, and the wear-resistant degree of the elastic ring 4 is increased by the arrangement of the wear-resistant layer 6, so that the outer ring is beneficial to practical use.

Referring to fig. 2, the inner side of the inner ring 2 is provided with grooves 11, the grooves 11 are arranged in parallel, and the grooves 11 are used for fixing the inner seal ring 5, so that the inner seal ring 5 cannot be separated, which is beneficial to practical use.

Referring to fig. 2, an inner seal ring 5 is disposed inside the groove 11, the inner seal ring 5 is embedded, the inner seal ring 5 includes a pressure resistant layer 7, the pressure resistant layer 7 is mainly made of natural rubber, and the pressure resistant layer has high pressure resistance and wear resistance, thereby facilitating practical use.

Specifically referring to fig. 2, a reinforcing layer 8 is disposed inside the compression-resistant layer 7, the reinforcing layer 8 mainly comprises butadiene rubber, and has a strong elastic reinforcing capability, the reinforcing layer 8 includes a ring core 9, the ring core 9 is disposed in a ring shape, the ring core 9 mainly comprises nitrile rubber, and has good aging resistance and a long service life.

Specifically referring to fig. 3, the bottom of the outer ring 1 is connected with an outer sealing ring 10, the volume of the outer sealing ring 10 is twice that of the inner sealing ring 5, and the outer sealing ring 10 is arranged to increase the sealing performance of the outer side of the sealing ring, so that the overall sealing effect is improved, and the practical use is facilitated.

The working principle is as follows: the utility model relates to a combined sealing ring, when the combined sealing ring is used for a long time, the wear resistance and the sealing performance of the whole sealing ring can be weakened, an outer sealing ring 10 and two inner sealing rings 5 are arranged, a pressure resistant layer 7 and a reinforcing layer 8 are arranged in each inner sealing ring 5, the pressure resistant layer 7 mainly comprises natural rubber and has stronger pressure resistance and wear resistance, the reinforcing layer 8 mainly comprises butadiene rubber and has stronger elastic reinforcing capability, so that the whole sealing effect is stronger, the firmness of the whole sealing ring is improved, the wear resistance of the whole sealing ring is improved by arranging an elastic ring 4 and a wear resistant layer 6 in the elastic ring 4, so that the service life of the whole sealing ring is prolonged, when the sealing ring is installed, the whole sealing ring is fixed by a convex block 3 through the convex block 3, so that the whole sealing ring can not deviate, through being equipped with recess 11, when the sealing washer received pressure, set up through the embedding of inner seal circle 5 and make the more stable condition emergence that can not appear deviating from of inner seal circle 5 in recess 11, be favorable to in-service use.

Claims

1. The combined sealing ring comprises an outer ring (1), an inner ring (2) and a lug (3), and is characterized in that the inner side of the outer ring (1) is connected with the inner ring (2), and the outer sides of the outer ring (1) are connected with the lug (3);

the lugs (3) are arranged integrally with the outer ring (1), and the lugs (3) are symmetrically arranged.

2. The combined sealing ring according to claim 1, characterized in that an elastic ring (4) is arranged in the middle of the outer side of the outer ring (1), the elastic ring (4) is embedded, and a wear-resistant layer (6) is attached to the inner part of the elastic ring (4).

3. The combined sealing ring according to claim 1, characterised in that the inner sides of the inner rings (2) are provided with grooves (11) and the grooves (11) are arranged in parallel.

4. The combined sealing ring according to claim 3, characterized in that the inner sealing ring (5) is arranged in the groove (11), the inner sealing ring (5) is embedded, and the inner sealing ring (5) comprises a pressure resistant layer (7).

5. The combined sealing ring according to claim 4, characterized in that the inner part of the pressure resistant layer (7) is bonded with a reinforcing layer (8), the inner part of the reinforcing layer (8) contains a ring core (9), and the ring core (9) is arranged in a ring shape.

6. The combined sealing ring according to claim 1, characterized in that an outer sealing ring (10) is connected to the bottom of the outer ring (1), and the volume of the outer sealing ring (10) is twice the volume of the inner sealing ring (5).