Sealing ring structure with good sealing and blocking effects

Abstract

The utility model discloses a sealing ring structure with good sealing and blocking effects, which comprises a sealing ring main body, the sealing ring main body comprises an outer ring and an inner ring, the inner ring is arranged on the peripheral side of the inner wall of the outer ring, an annular groove is arranged between the outer ring and the inner ring, an annular metal net is arranged in the annular groove, and a plurality of rubber elastic bodies are arranged in the annular metal net. According to the sealing ring structure with the good sealing and blocking effects, the annular metal net and the rubber elastic body are arranged, a metal net-shaped supporting structure is adopted, and the rubber elastic body has good rebound resilience, so that the overall strength of the sealing ring is enhanced, and the sealing ring structure has better stability and durability in a high-pressure environment; and through the arrangement of the annular protruding block, the sealing effect of the sealing contact face of the sealing ring can be improved, and gas or liquid leakage under high temperature and high pressure is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring technical field, concretely relates to a sealing ring structure that sealing barrier effect is good. BACKGROUND

[0002] Sealing ring is a kind of component with sealing performance in working pressure and certain temperature range, because it has good stability and better waterproof, oil-proof, antifouling effect etc., sealing ring has been widely applied in all aspects of production and life, and sealing ring is usually made of elastic material.The main function of sealing ring is to ensure the close contact between two surfaces by its elastic material, to prevent fluid leakage.Sealing ring is widely used in various mechanical equipment and systems, such as hydraulic system, pneumatic system and bearing, in industrial applications, sealing ring is used to block the leakage of liquid or gas, to ensure the normal operation of mechanical equipment, at present, the more commonly used in domestic are O-shaped sealing ring, rectangular sealing ring etc.;

[0003] The existing sealing ring is made of rubber or plastic material, these materials are prone to aging and deformation in high temperature or high pressure environment, thereby leading to the decline of sealing performance.Therefore, it is urgent to design a sealing ring structure with good sealing barrier effect to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sealing ring structure with good sealing barrier effect to solve the above problems in prior art.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] A sealing ring structure with good sealing barrier effect, comprising a sealing ring main body, the sealing ring main body includes an outer ring and an inner ring, the inner ring is arranged on the inner wall circumferential side of the outer ring, an annular groove is arranged between the outer ring and the inner ring, an annular metal mesh is arranged in the annular groove, a plurality of rubber elastomers are arranged in the annular metal mesh, and the plurality of rubber elastomers are matched with the annular metal mesh.

[0007] The cross section of the annular metal mesh is hollow circular, and the rubber elastomer is spherical.

[0008] A mounting groove is arranged on the circumferential side of the outer ring, the cross section of the mounting groove is U-shaped, and a U-shaped metal ring hoop is arranged on the inner wall circumferential side of the mounting groove.

[0009] The inner wall of the mounting groove is provided with clamping protrusions on both sides, two clamping protrusions are respectively matched with the two ends of the U-shaped metal ring hoop, a reinforcing ring is arranged in the mounting groove, a trapezoidal protrusion is arranged on one side of the reinforcing ring, the trapezoidal protrusion is clamped between the two clamping protrusions, and the trapezoidal protrusion corresponds to the U-shaped metal ring hoop.

[0010] The inner wall of the inner ring is provided with a plurality of annular protrusions arranged in an equidistant linear array.

[0011] The outer ring and the reinforcing ring are aligned in the circumferential direction, and both are provided with grooves arranged in an equidistant linear array.

[0012] In the above technical solution, the sealing ring structure with good sealing and blocking effects has the following beneficial effects:

[0013] (1) The sealing ring structure with good sealing and blocking effects has the metal mesh supporting structure and the good resilience of the rubber elastic body, thereby enhancing the overall strength of the sealing ring, improving the stability and durability of the sealing ring under high pressure, and improving the sealing effect and blocking effect of the sealing ring in use.

[0014] (2) The sealing ring structure with good sealing and blocking effects has the annular protrusions, which can improve the sealing effect of the sealing contact surface of the sealing ring, prevent gas or liquid leakage under high temperature and high pressure, and further improve the sealing effect and blocking effect of the sealing ring in use.

[0015] (3) The sealing ring structure with good sealing and blocking effects has the U-shaped metal ring and the reinforcing ring, which can enhance the structural strength of the sealing ring, further improve the pressure resistance of the sealing ring, and prevent the sealing ring from being deformed under high pressure, thereby further improving the pressure resistance of the sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0017] Fig. 1 The overall structure schematic diagram of the sealing ring structure with good sealing and blocking effects is provided.

[0018] Fig. 2 The outer ring and the reinforcing ring are aligned in the circumferential direction, and both are provided with grooves arranged in an equidistant linear array.

[0019] Fig. 3 The overall structure schematic diagram of the sealing ring structure with good sealing and blocking effects is provided.

[0020] 1, outer ring; 2, inner ring; 3, annular protrusion; 4, reinforcing ring; 5, groove; 6, installation groove; 7, trapezoidal protrusion; 8, clamping protrusion; 9, U-shaped metal ring; 10, annular groove; 11, annular metal mesh; 12, rubber elastomer. DETAILED DESCRIPTION

[0021] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0022] As shown in the sealing ring structure with good sealing and barrier effects provided by the utility model, the sealing ring main body includes an outer ring 1 and an inner ring 2, the inner ring 2 is arranged on the inner wall circumferential side of the outer ring 1, an annular groove 10 is arranged between the outer ring 1 and the inner ring 2, an annular metal mesh 11 is arranged in the annular groove 10, a plurality of rubber elastomers 12 are arranged in the annular metal mesh 11, the plurality of rubber elastomers 12 are matched with the annular metal mesh 11, the cross section of the annular metal mesh 11 is a hollow circle, and the rubber elastomers 12 are spherical. Figs. 1-3 Specifically, in the embodiment, the outer ring 1 and the inner ring 2 are both made of a composite material, the composite material is mixed by silica gel and polytetrafluoroethylene (PTFE) in a certain proportion, so as to improve the temperature resistance and mechanical strength of the sealing ring, and the sealing ring has good elasticity and high temperature resistance, the annular metal mesh 11 is a metal mesh-shaped hollow frame, the toughness of the metal mesh can enhance the overall structural strength of the sealing ring, so that the sealing ring is not easy to deform in a high pressure environment, the rubber elastomers 12 are self-foaming rubbers, which are used to enhance the resilience of the sealing ring after compression, so that the sealing ring has better stability and durability in a high pressure environment, the sealing effect and barrier effect of the sealing ring during use are improved, and the durability of the sealing ring is enhanced.

[0023] The sealing ring structure with good sealing and barrier effects provided by the utility model, the outer ring 1 circumferential side is provided with an installation groove 6, the cross section of the installation groove 6 is U-shaped, a U-shaped metal ring 9 is arranged on the inner wall circumferential side of the installation groove 6, clamping protrusions 8 are arranged on both sides of the inner wall of the installation groove 6, the two clamping protrusions 8 are respectively attached to the two ends of the U-shaped metal ring 9, a reinforcing ring 4 is arranged in the installation groove 6, the reinforcing ring 4 is provided with a trapezoidal protrusion 7 on one side, the trapezoidal protrusion 7 is clamped between the two clamping protrusions 8, and the trapezoidal protrusion 7 corresponds to the U-shaped metal ring 9.

[0024]

[0025] ​In another embodiment of the utility model, the U-shaped metal ring 9 is made of metal or composite material and is embedded in the circumferential side of the outer ring 1, which is used to enhance the structural strength of the sealing ring body to further improve the pressure resistance of the sealing ring body.

[0026] The utility model provides a sealing ring structure that has good sealing and blocking effects, wherein the inner wall circumferential side of the inner ring 2 is provided with a plurality of annular protrusions 3, the plurality of annular protrusions 3 are arranged in an equidistant linear array, the outer ring 1 circumferential side and the reinforcing ring 4 circumferential side are aligned, the outer ring 1 circumferential side and the reinforcing ring 4 circumferential side are both provided with grooves 5, and the grooves 5 are arranged in an equidistant linear array.

[0027] In another embodiment of the utility model, the design of the annular protrusions 3 enables better sealing with the contact surface under the action of pressure, improves the sealing effect of the sealing contact surface, effectively prevents gas or liquid leakage under high temperature and high pressure, and increases the friction force during installation and fixation due to the design of the grooves 5 on the outer ring 1 circumferential side and the reinforcing ring 4 circumferential side, thereby preventing the sealing ring from sliding during mechanical movement and improving the safety of the sealing ring during mechanical movement.

[0028] The above only describes certain exemplary embodiments of the utility model in a descriptive manner, and it is needless to say that the described embodiments can be modified in various ways without deviating from the spirit and scope of the utility model for ordinary skilled persons in the art. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection claimed by the utility model.

Claims

1. A seal ring structure with good sealing barrier effect, comprising a seal ring main body, characterized in that, The sealing ring body comprises an outer ring (1) and an inner ring (2), the inner ring (2) is arranged on the inner wall circumferential side of the outer ring (1), an annular groove (10) is arranged between the outer ring (1) and the inner ring (2), an annular metal mesh (11) is arranged in the annular groove (10), a plurality of rubber elastic bodies (12) are arranged in the annular metal mesh (11), and the plurality of rubber elastic bodies (12) are matched with the annular metal mesh (11).

2. The sealing ring structure with good sealing barrier effect according to claim 1, characterized in that, The cross section of the annular metal mesh (11) is hollow circular, and the rubber elastic body (12) is a round bead.

3. The sealing ring structure with good sealing barrier effect according to claim 1, characterized in that, The outer ring (1) is provided with a mounting groove (6) on the circumferential side, the cross section of the mounting groove (6) is U-shaped, and a U-shaped metal ring hoop (9) is arranged on the inner wall circumferential side of the mounting groove (6).

4. The sealing ring structure with good sealing barrier effect according to claim 3, characterized in that, The inner wall of the mounting groove (6) is provided with clamping protrusions (8) on both sides, two clamping protrusions (8) are respectively matched with both ends of the U-shaped metal ring hoop (9), a reinforcing ring (4) is arranged in the mounting groove (6), one side of the reinforcing ring (4) is provided with a trapezoidal protrusion (7), the trapezoidal protrusion (7) is clamped between the two clamping protrusions (8), and the trapezoidal protrusion (7) corresponds to the U-shaped metal ring hoop (9).

5. The sealing ring structure with good sealing barrier effect according to claim 1, characterized in that, The inner wall circumferential side of the inner ring (2) is provided with a plurality of annular protrusions (3), and the plurality of annular protrusions (3) are arranged in an equidistant linear array.

6. The sealing ring structure with good sealing barrier effect according to claim 4, characterized in that, The outer ring (1) circumferential side and the reinforcing ring (4) circumferential side are aligned, and the outer ring (1) circumferential side and the reinforcing ring (4) circumferential side are both provided with grooves (5), and the grooves (5) are arranged in an equidistant linear array.

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