Seepage-proof high-sealing-performance sealing rubber ring

Abstract

The utility model relates to an anti-leakage high-sealing-performance sealing rubber ring which comprises an annular sealing ring body, one side face of the annular sealing ring body is provided with an installation face, the other side of the annular sealing ring body is provided with a sealing face, an installation groove is formed in the peripheral face, close to the installation face, of the annular sealing ring body, and a rubber ring protection sleeve is fixed to the installation groove in a hot melting mode. The rubber ring protective sleeve is provided with an annular vertical face and a flat end face. A plurality of annular sealing protrusions for increasing contact pressure are fixedly arranged on the inner circumferential face of the middle of the annular sealing ring and are sequentially arranged in the axial direction of the annular sealing ring. Due to the design of the rubber ring protection sleeve, a flat installation face is provided for the annular sealing ring, friction and damage in the installation process are reduced through the fillet design, and installation and maintenance are convenient; in addition, due to the combined design, the sealing rubber ring can adapt to high-temperature, high-pressure, high-vibration and other complex working conditions, and it is ensured that the stable sealing performance can be kept in various environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring technical field, concretely is a kind of anti-leakage high sealing property sealant ring. BACKGROUND

[0002] In industrial equipment and mechanical system, sealing ring is the key component to prevent liquid or gas leakage, widely used in hydraulic system, pipeline connection, valve and so on, traditional sealing ring is prone to wear, deformation or sealing failure under high pressure, high friction or complex environment, leading to leakage problem, in addition, the existing sealing ring also has certain difficulty in installation and dismounting process, is easily damaged, and inconvenient to replace, simultaneously, the design of part sealing ring does not fully consider the influence of fluid pressure distribution on sealing effect, leading to the decline of sealing performance under certain working condition;

[0003] Therefore, a new sealing ring is urgently needed to solve these problems in the prior art and improve sealing performance and service life. SUMMARY

[0004] The utility model solves the technical problem in the prior art, and provides a wear-resistant and pressure-resistant combined anti-leakage high-sealing sealing ring.

[0005] The technical problem solved by the utility model is solved by the following technical scheme, an anti-leakage high-sealing sealing ring comprises an annular sealing ring body, one side of the annular sealing ring body is provided with a mounting surface, and the other side is provided with a sealing surface.

[0006] A pressure-equalizing groove is formed in the sealing surface of the annular sealing ring.

[0007] An installation groove is formed in the outer peripheral surface of the annular sealing ring close to the mounting surface, a sealing ring protective sleeve is fixed on the installation groove by hot melting, the sealing ring protective sleeve has an annular vertical surface abutting against the outer wall of the installation groove and a flat end surface abutting against the mounting surface of the annular sealing ring body, the outer peripheral surface of the annular vertical surface of the sealing ring protective sleeve is flush with the outer peripheral surface of the annular sealing ring body, and a through hole is formed in the center of the sealing ring protective sleeve and penetrates the annular sealing ring body.

[0008] A plurality of annular sealing protrusions for increasing contact pressure are fixed on the inner peripheral surface of the middle part of the annular sealing ring, and the annular sealing protrusions are sequentially arranged in the axial direction of the annular sealing ring.

[0009] The technical problem solved by the utility model can also be solved by the following technical scheme, the groove depth of the pressure-equalizing groove is one third of the thickness of the annular sealing ring body.

[0010] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the above-mentioned anti-leakage high sealing performance sealing rubber ring, the axial dimension of the installation groove is two-thirds of the axial dimension of the annular sealing ring body.

[0011] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the above-mentioned anti-leakage high sealing performance sealing rubber ring, the annular sealing protrusions are three, and the three annular sealing protrusions are equidistantly arranged.

[0012] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the above-mentioned anti-leakage high sealing performance sealing rubber ring, the thickness of the rubber ring protective sleeve is one-ninth of the thickness of the annular sealing ring body.

[0013] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the above-mentioned anti-leakage high sealing performance sealing rubber ring, the outer circumferential surface of the rubber ring protective sleeve has a fillet.

[0014] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the above-mentioned anti-leakage high sealing performance sealing rubber ring, the rubber ring protective sleeve is made of polyurethane material.

[0015] Compared with the prior art, the utility model has the beneficial technical effects that:

[0016] (1) the uniform pressure groove arranged on the sealing surface can uniformly distribute the contact pressure borne by the annular sealing ring body, avoids the problem of local stress concentration of the annular sealing ring body, significantly improves the sealing effect, and prevents medium leakage;

[0017] (2) the rubber ring protective sleeve made of polyurethane material is fixedly arranged on the mounting surface of the annular sealing ring body, the rubber ring protective sleeve has good wear resistance and tear resistance, can effectively protect the sealing ring body, and prolongs the service life to a certain extent;

[0018] (3) the plurality of annular sealing protrusions arranged on the inner circumferential surface of the annular sealing ring can increase the contact pressure, adapt to high-pressure environment, and prevent the sealing ring from being extruded or deformed;

[0019] (4) the design of the rubber ring protective sleeve not only provides a flat mounting surface for the annular sealing ring, but also reduces friction and damage in the installation process through the fillet design, facilitates installation and maintenance, and the combined design makes the sealing rubber ring adapt to complex working conditions such as high temperature, high pressure and high vibration, and ensures stable sealing performance in various environments. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1The utility model discloses a main view full section structure schematic diagram of separation of annular sealing ring body and rubber ring protection sleeve.

[0021] Fig. 2 The utility model discloses a main view full section structure schematic diagram of separation of annular sealing ring body and rubber ring protection sleeve.

[0022] The utility model discloses a main view full section structure schematic diagram of separation of annular sealing ring body and rubber ring protection sleeve. Specific implementation

[0023] The utility model discloses a main view full section structure schematic diagram of separation of annular sealing ring body and rubber ring protection sleeve.

[0024] Embodiment 1, refer to Figs. 1-2 A kind of anti-leakage high sealing property sealing rubber ring, it includes annular sealing ring body 1, the side of annular sealing ring body 1 is set as installation surface 2, the other side is set as sealing surface 3, the size specification of annular sealing ring body 1 can be selected by oneself according to use demand, therefore the specific value is not repeated here;

[0025] We can evenly distribute contact pressure to annular sealing ring body 1 to avoid local stress concentration, so that medium leakage occurs, the pressure equalizing groove 4 is set on the sealing surface 3 of annular sealing ring, the groove depth of the pressure equalizing groove 4 is one third of the thickness of annular sealing ring body 1, and the specific size value can be selected by oneself according to use demand;

[0026] The installation groove 5 is set on the outer peripheral surface of annular sealing ring close to installation surface 2, and the installation groove 5 is formed as a substantially annular groove structure, and the axial dimension of the installation groove 5 is two thirds of the axial dimension of annular sealing ring body 1, and the specific value can be selected by oneself according to use demand;

[0027] In order to effectively protect annular sealing ring body 1, and improve its wear resistance and tear resistance, the rubber ring protection sleeve 6 is fixed on the installation groove 5 by hot melting, the rubber ring protection sleeve 6 is polyurethane material, the thickness of the rubber ring protection sleeve 6 is one ninth of the thickness of annular sealing ring body 1, and the specific value can be selected by oneself according to use demand, the rubber ring protection sleeve 6 has annular vertical surface abutting against the outer wall of the installation groove 5 and flat end surface abutting against installation surface 2 of annular sealing ring body 1, the outer peripheral surface of the annular vertical surface of the rubber ring protection sleeve 6 is flush with the outer peripheral surface of annular sealing ring body 1, and the center of the rubber ring protection sleeve 6 is provided with through hole 7 penetrating the middle part of annular sealing ring body 1.

[0028] It should be noted that the added rubber ring protective sleeve 6 not only provides a flat mounting surface 2 for the ring seal, but also reduces friction and damage during installation through the rounded corner design, facilitating installation and maintenance, and the combined design allows the sealing rubber ring to adapt to complex working conditions such as high temperature, high pressure, and high vibration, ensuring stable sealing performance in various environments.

[0029] We added a rubber ring protective sleeve 6 to the ring seal for easy installation of the hot melt fixed rubber ring protective sleeve 6. A rounded corner 8 is also provided on the outer surface of the rubber ring protective sleeve 6.

[0030] A number of ring-shaped sealing protrusions 9 are fixed to the inner surface of the middle part of the ring-shaped sealing ring to increase the contact pressure. The ring-shaped sealing protrusions 9 can increase the contact pressure, adapt to high-pressure environments, and prevent the sealing ring from being extruded or deformed. The ring-shaped sealing protrusions 9 are arranged along the axial direction of the ring-shaped sealing ring. The ring-shaped sealing protrusions 9 are arranged at equal intervals, and the number of ring-shaped sealing protrusions 9 can be selected according to the use requirements, and the number of ring-shaped sealing protrusions 9 can be not limited to three.

Claims

1. A high sealing and leakproof sealing grommet, characterized in that: It includes an annular sealing ring body, one side of the annular sealing ring body is provided as a mounting surface, and the other side is provided as a sealing surface; A pressure equalizing groove is formed on the sealing surface of the annular sealing ring; An installation groove is formed on the outer circumferential surface of the annular sealing ring close to the mounting surface, a rubber ring protective sleeve is fixed on the installation groove by heat melting, the rubber ring protective sleeve has an annular vertical surface abutting against the outer wall of the installation groove and a flat end surface abutting against the mounting surface of the annular sealing ring body, the outer circumferential surface of the annular vertical surface of the rubber ring protective sleeve is flush with the outer circumferential surface of the annular sealing ring body, and a through hole is formed in the center of the rubber ring protective sleeve and penetrates the annular sealing ring body; A plurality of annular sealing protrusions for increasing contact pressure are fixed on the inner circumferential surface of the middle part of the annular sealing ring, and the annular sealing protrusions are sequentially arranged along the axial direction of the annular sealing ring.

2. The high sealing property leakproof sealant ring according to claim 1, characterized in that: The groove depth of the pressure equalizing groove is one third of the thickness of the annular sealing ring body.

3. The anti-leakage high sealing performance sealing ring according to claim 1, characterized in that: The axial dimension of the installation groove is two thirds of the axial dimension of the annular sealing ring body.

4. The anti-leakage high-sealing-performance packing ring according to claim 1, characterized in that: The annular sealing protrusions are three in number, and the three annular sealing protrusions are equidistantly arranged.

5. The anti-leakage high-sealing-performance packing ring according to claim 1, characterized in that: The thickness of the rubber ring protective sleeve is one ninth of the thickness of the annular sealing ring body.

6. The anti-leakage high-sealing-performance packing ring according to claim 1, characterized in that: The outer circumferential surface of the rubber ring protective sleeve has a rounded corner.

7. The anti-leakage high-sealing-performance packing ring according to claim 1, characterized in that: The rubber ring protective sleeve is made of polyurethane.

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