CN219388617U

CN219388617U - Boron carbide sealing ring

Info

Publication number: CN219388617U
Application number: CN202320056141.XU
Authority: CN
Inventors: 赵国璋; 王洪涛; 谢铭
Original assignee: China Boron Technology Weihai Co ltd
Current assignee: China Boron Technology Weihai Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-07-21
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a boron carbide sealing ring, which relates to the technical field of sealing rings and comprises a sealing ring assembly, wherein the sealing ring assembly comprises a top ring, a bottom ring is arranged below the top ring, a containing groove is formed in the top end of the bottom ring, a pair of elastic pieces extending out of the top end of the bottom ring are fixed on the inner wall of the containing groove, and two groups of limiting arcs are arranged on two sides of the bottom end of the top ring, which are positioned on the bottom ring. The utility model plays the purpose of strengthening elasticity through the fixed ring and the bottom ring, thereby better coping with the external pressure, avoiding deformation and damage caused by long-time extrusion of the sealing ring, further prolonging the service life of the sealing ring, simultaneously, the sealing ring is formed by butting two groups of arc sheets, so that the disassembly and assembly of the sealing ring are more convenient, the volume density of the sealing ring is promoted to be lower through the boron carbide, silicon carbide and zirconia materials, the working quality is relatively lighter, and the sealing ring has the advantages of high temperature stability, high heat conductivity coefficient, high strength, corrosion resistance, oxidation resistance and no pollution.

Description

Boron carbide sealing ring

Technical Field

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

Background

The sealing ring is an annular sealing element with a notch, the annular sealing element is placed in an annular groove of the sleeve, the sleeve rotates together with the shaft, and the sealing ring abuts against the inner hole wall of the static element by virtue of elasticity of the notch after being pressed.

Most of the sealing rings in the current stage are solid structures, and due to long-time pressure and rubber aging, the rebound resilience of the sealing rings is insufficient, even the situation of losing elasticity occurs, the sealing rings cannot be well attached to sealing elements, and the sealing effect is poor.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a boron carbide sealing ring to solve the technical problems set forth in the background above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a boron carbide sealing ring, includes the sealing ring subassembly, the sealing ring subassembly includes the top ring, the below of top ring is equipped with the bottom ring, the holding tank has been seted up on the top of bottom ring, the inner wall of holding tank is fixed with a pair of elastic component that extends the bottom ring top, the bottom of top ring is located the both sides of bottom ring and is equipped with two sets of spacing arcs, and the inboard of spacing arc is equipped with the slider that extends to the bottom ring inside, the travel groove has been seted up with slider contact position department to the bottom ring.

Preferably, the inner wall of the accommodating groove is inlaid with a rubber strip in contact with the elastic piece, and a reinforced rubber strip is fixed between a pair of elastic pieces.

Preferably, the top ring and the bottom ring are composed of two groups of arc-shaped sheets, the end part of one group of bottom ring arc-shaped sheets is provided with a clamping block extending to the end part of the other group of bottom ring arc-shaped sheets, and the contact position of the other group of bottom ring arc-shaped sheets and the clamping block is provided with a clamping groove.

Preferably, the top and bottom rings are formed from boron carbide, silicon carbide, and zirconia materials.

Preferably, the rubber strip is cylindrical and is inlaid on the inner wall of the accommodating groove to be in contact with the elastic piece, and a plurality of groups of through holes are formed in the rubber strip.

Preferably, an inner arc strip is fixed on the inner side of the top ring, and the inner arc strip is made of wear-resistant and high-temperature-resistant materials.

In summary, the utility model has the following advantages:

the utility model plays the purpose of strengthening elasticity through the fixed ring and the bottom ring, thereby better coping with the external pressure, avoiding deformation and damage caused by long-time extrusion of the sealing ring, further prolonging the service life of the sealing ring, simultaneously, the sealing ring is formed by butting two groups of arc sheets, so that the disassembly and assembly of the sealing ring are more convenient, the volume density of the sealing ring is promoted to be lower through the boron carbide, silicon carbide and zirconia materials, the working quality is relatively lighter, and the sealing ring has the advantages of high temperature stability, high heat conductivity coefficient, high strength, corrosion resistance, oxidation resistance and no pollution.

Drawings

FIG. 1 is a front cut-away view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is an enlarged view of FIG. 1A in accordance with the present utility model;

fig. 4 is a top view of the bottom ring of the present utility model.

In the figure: 100. a seal ring assembly;

110. a top ring; 111. limiting arcs; 120. a bottom ring; 121. a receiving groove; 122. a travel groove; 123. an elastic member; 124. a rubber strip; 125. a rubber strip; 126. a clamping block; 127. a clamping groove; 130. an inner arc strip.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-4, including sealing ring assembly 100, sealing ring assembly 100 includes top ring 110, the below of top ring 110 is equipped with bottom ring 120, holding tank 121 has been seted up on the top of bottom ring 120, the inner wall of holding tank 121 is fixed with a pair of elastic component 123 that extend bottom ring 120 top, the bottom of top ring 110 is located the both sides of bottom ring 120 and is equipped with two sets of spacing arcs 111, and the inboard of spacing arcs 111 is equipped with the slider that extends to the inside of bottom ring 120, bottom ring 120 and slider contact position department has seted up travel groove 122, the inner wall of holding tank 121 is inlayed and is had the rubber strip 125 that contacts with elastic component 123, be fixed with between a pair of elastic component 123 and strengthen rubber strip 124, rubber strip 125 is the cylinder-shaped and inlay the inner wall of holding tank 121 and contact with elastic component 123, and the multiunit through-hole has been seted up to the rubber strip 125 inside, top ring 110 and bottom ring 120 comprise two sets of arc piece, the tip of a set of bottom ring 120 arc piece is equipped with the fixture block 126 that extends to another set of bottom ring 120 arc piece tip, another set of bottom ring arc piece and fixture block contact position department has seted up draw-in groove 127.

When the sealing ring assembly 100 is installed, one end of the arc piece of one group of bottom ring 120 is arranged above the end part of the arc piece of the other group of bottom ring 120, the arc piece of the bottom ring 120 above the arc piece is pressed, a clamping block 126 at the end part is caused to enter a clamping groove 127 formed in the arc piece of the bottom ring 120 below, the other end is butted by repeating the steps, so that the butt joint of the two groups of bottom rings 120 and the top ring 110 is completed, the sealing ring assembly 100 is convenient to assemble and disassemble, and the convenience in use is further improved;

when the external force extrudes the top ring 110 and the bottom ring 120 relatively, the two groups of elastic pieces 123 relatively stretch the reinforced rubber strip 124 while bending, and the inner side extrusion rubber strip 125 deforms, so that the elastic protection effect is achieved, the damage caused by deformation of the sealing ring is further avoided, the service life of the elastic piece is further prolonged while the elasticity is maintained, and better sealing and durability are achieved.

Referring to FIG. 1 with emphasis, the top ring 110 and the bottom ring 120 are formed from boron carbide, silicon carbide, and zirconia materials.

The sealing ring has the advantages of lower volume density, relatively lighter working quality, high-temperature stability, high heat conductivity coefficient, high strength, corrosion resistance, oxidation resistance and no pollution.

Referring to fig. 1, an inner arc 130 is fixed on the inner side of the top ring 110, and the inner arc 130 is made of wear-resistant and high-temperature-resistant material.

The sealing device is in contact with the outer wall of the workpiece, achieves the sealing effect, and simultaneously better handles friction and heat generated during use, so that a better sealing purpose is further achieved.

When the sealing ring assembly 100 is used, one end of the arc piece of one group of bottom rings 120 is arranged above the end part of the arc piece of the other group of bottom rings 120 and is pressed downwards, so that the clamping blocks 126 at the end part enter the clamping grooves 127 formed in the arc piece of the bottom ring 120 below, and the butt joint of the two groups of bottom rings 120 and the top ring 110 is completed, so that the sealing ring assembly 100 is convenient to assemble and disassemble;

when the top ring 110 and the bottom ring 120 are extruded relatively by external force, the elastic pieces 123 are relatively close to each other and are promoted to bend, meanwhile, the extruded rubber strips 125 deform, the elastic protection effect is achieved against the external pressure, the damage caused by deformation of the sealing ring is further avoided, and the service life of the sealing ring is further prolonged while the elasticity is maintained.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. A boron carbide seal ring comprising a seal ring assembly (100), characterized in that: sealing ring subassembly (100) are including top ring (110), the below of top ring (110) is equipped with bottom ring (120), holding tank (121) have been seted up on the top of bottom ring (120), the inner wall of holding tank (121) is fixed with a pair of elastic component (123) that extend bottom ring (120) top, the bottom of top ring (110) is located the both sides of bottom ring (120) and is equipped with two sets of spacing arcs (111), and the inboard of spacing arc (111) is equipped with the slider that extends to bottom ring (120) inside, travel groove (122) have been seted up with slider contact position department to bottom ring (120).

2. A boron carbide sealing ring according to claim 1, wherein: rubber strips (125) in contact with the elastic pieces (123) are inlaid on the inner wall of the accommodating groove (121), and reinforced rubber strips (124) are fixed between a pair of the elastic pieces (123).

3. A boron carbide sealing ring according to claim 1, wherein: the top ring (110) and the bottom ring (120) are composed of two groups of arc-shaped sheets, the ends of the arc-shaped sheets of one group of bottom ring (120) are provided with clamping blocks (126) extending to the ends of the arc-shaped sheets of the other group of bottom ring (120), and the contact positions of the arc-shaped sheets of the other group of bottom ring (120) and the clamping blocks (126) are provided with clamping grooves (127).

4. A boron carbide sealing ring according to claim 2, wherein: the rubber strip (125) is cylindrical and is inlaid on the inner wall of the accommodating groove (121) to be in contact with the elastic piece (123), and a plurality of groups of through holes are formed in the rubber strip (125).

5. A boron carbide sealing ring according to claim 1, wherein: an inner arc strip (130) is fixed on the inner side of the top ring (110), and the inner arc strip (130) is made of wear-resistant and high-temperature-resistant materials.