CN211853003U - Novel floating sealing structure of monitoring pressure regulating valve - Google Patents
Novel floating sealing structure of monitoring pressure regulating valve Download PDFInfo
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- CN211853003U CN211853003U CN202020467620.7U CN202020467620U CN211853003U CN 211853003 U CN211853003 U CN 211853003U CN 202020467620 U CN202020467620 U CN 202020467620U CN 211853003 U CN211853003 U CN 211853003U
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Abstract
The utility model relates to a novel floating seal structure of control air-vent valve, including disk seat and sleeve, disk seat and telescopic junction are equipped with first seal groove and second seal groove, elastic sealing element and No. two elastic sealing element have been installed in first seal groove and the second seal groove, elastic sealing element and No. two elastic sealing element formula structures as an organic whole, telescopic one side is equipped with the metal seal face, be equipped with powerful seal on the metal seal face, No. two elastic sealing element's inside is equipped with the mounting hole, be equipped with floating seal in the mounting hole, through adopting high temperature resistant that sealing material possesses, it is corrosion-resistant, stand wear and tear, the sealing performance of improvement valve that ageing-resistant these performances can be better, install the operation through floating seal simultaneously, the pressure reverse promotion elastic seal of cooperation medium, No. two elastic sealing element, the sealing effect has been strengthened, and floating seal's setting can the produced coaxial elastic seal size error of micro-adjustment and micro-adjustment sealing Degree error.
Description
Technical Field
The utility model relates to a control air-vent valve technical field especially relates to the novel floating seal structure of control air-vent valve.
Background
The monitoring pressure regulating valve can be basically a pressure reducing valve, and the working principle of the pressure reducing valve is as follows, high-pressure medium is filled into a relatively larger cavity through a small hole to realize pressure reduction, the pressure reduction is realized by intercepting and stopping, two surfaces of a diaphragm or a piston are provided with an outlet cavity, one surface is provided with artificial pressure, and a valve rod controlling the size of the small hole is connected with the diaphragm (the piston), so that the pressure of the outlet cavity is always equal to the pressure as long as a fixed pressure is supplied, the artificial pressure can be supplied by a spring or an air source or a hydraulic source, in the current technical means, the common operation is to seal a valve seat sealing pad at the valve seat sealing position of the monitoring pressure regulating valve, and the valve seat sealing pad is made of polyformaldehyde materials, the defects of the materials are that the valve seat sealing pad is not resistant to acid and alkaline objects, the valve seat sealing pad can be, the long-term overstock can produce deformation, easily causes the valve to reveal, to a certain extent, has reduced the sealed effect of disk seat junction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide the novel floating seal structure of control air-vent valve, have better sealing performance and possess the advantage of micro-adjustment sealing ability.
The technical scheme for realizing the purpose is as follows:
the utility model provides a novel floating seal structure of control air-vent valve, including disk seat and sleeve, disk seat and telescopic junction are equipped with first seal groove and second seal groove, have installed elastic sealing element and No. two elastic sealing element in first seal groove and the second seal groove, and elastic sealing element and No. two elastic sealing element formula structures as an organic whole, telescopic one side is equipped with the metal seal face, is equipped with powerful seal on the metal seal face, and No. two elastic sealing element's inside is equipped with the mounting hole, is equipped with floating seal in the mounting hole.
Preferably, the dimensions of the interior of the first and second seal grooves match the exterior dimensions of the first and second elastomeric seal assemblies. In order to ensure that the basic sealing process is normally and stably carried out.
Preferably, the floating seal is an elastomeric energy storing seal ring member. In order to ensure the strong sealing performance of the joint.
Preferably, the first elastic sealing element and the second elastic sealing element are elastic sealing gasket components. In order to ensure the durability of the sealing element and better sealing effect.
Preferably, the strong seal is a metal hard seal structure. In order to ensure the safety of the sealed joint.
Preferably, the section of the second elastic sealing element is in a U-shaped structure. To facilitate installation and use of the seal.
The utility model has the advantages that: in the using process of the utility model, the sealing performance of the valve can be better improved by adopting the performances of high temperature resistance, corrosion resistance, abrasion resistance and aging resistance of the sealing material, meanwhile, the operation is installed through floating seal, the pressure of the matching medium reversely pushes the first elastic sealing part and the second elastic sealing part to enable the parts to press the metal sealing surface, the sealing effect is enhanced, the floating seal can be arranged to slightly adjust the sealing size error and the coaxiality error generated by slightly adjusting the sealing part, the sealing surface is more effectively protected, the valve leakage is effectively prevented, the residue is not extruded on the sealing surface when the valve is closed, the arranged metal hard sealing structure can not be extruded on the sealing surface, once the floating seal fails, the metal face-to-face sealing can play a sealing effect, and meanwhile, the structure also enables the valve to meet the fireproof requirement of API6D, simple structure, the use of being convenient for install has guaranteed the stronger sealed effect of disk seat junction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram of a sealing form of an old polyoxymethylene material.
Description of reference numerals:
1. a valve seat; 2. a sleeve; 3. a first elastic sealing element; 4. a first seal groove; 5. floating sealing; 6. mounting holes; 7. a metal seal face; 8. strong sealing; 9. a second seal groove; 10. a second elastomeric seal; 11. a polyoxymethylene gasket.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, the utility model provides a novel floating seal structure of a monitoring pressure regulating valve, which comprises a valve seat 1 and a sleeve 2, wherein the joint of the valve seat 1 and the sleeve 2 is provided with a first seal groove 4 and a second seal groove 9, a first elastic seal member 3 and a second elastic seal member 10 are arranged in the first seal groove 4 and the second seal groove 9, the first elastic seal member 3 and the second elastic seal member 10 are of an integral structure, one side of the sleeve 2 is provided with a metal seal surface 7, the metal seal surface 7 is provided with a strong seal 8, the inside of the second elastic seal member 10 is provided with a mounting hole 6, a floating seal 5 is arranged in the mounting hole 6, the original seal surface is sealed by a polyformaldehyde seal gasket 11, the utility model is provided with the corresponding first elastic seal member 3, second elastic seal member 10 and floating seal 5 between the sleeve 2 and the valve seat 1, the sealing material adopted has the advantages of high temperature resistance, corrosion resistance, wear resistance and aging resistance, the sealing performance of the valve joint can be better improved, meanwhile, the design of the floating seal 5 has the advantages of multiple points, the structure is simple, the installation and the use are convenient, and the stronger sealing effect of the valve seat joint 1 is ensured. The device is further explained according to the attached drawings.
Further, as shown in fig. 2, the inner dimensions of the first sealing groove 4 and the second sealing groove 9 are matched with the outer dimensions of the assembly of the first elastic sealing element 3 and the second elastic sealing element 10, so that the basic sealing performance is ensured, and the corresponding connecting parts have normal and stable sealing effects.
Further, as shown in fig. 2, the floating seal 5 is an elastic energy storage sealing ring component, the elastic energy storage sealing ring component is arranged in a corresponding groove, the spring is compressed to form outward tension to urge the sealing lip to be tightly attached to the sealing groove, and the spring permanently provides elasticity for the sealing lip, so that abrasion of the sealing shell and eccentricity of a matching part can be compensated, and sealing from vacuum to low pressure is formed. In addition, the system pressure can assist the spring to store energy, the larger the pressure is, the more fully the sealing lip is attached to the groove, and therefore high-pressure sealing is formed, and the stronger sealing performance of the joint is guaranteed.
Further, as shown in fig. 2, the first elastic sealing element 3 and the second elastic sealing element 10 are both elastic sealing gasket members, and the elastic sealing gasket members are made of materials having the advantages of high temperature resistance, corrosion resistance, wear resistance and aging resistance, and the performances can better improve the sealing performance of the valve connection part.
Further, as shown in fig. 2, the strong seal 8 is a metal hard seal structure, and the existence of the metal hard seal structure can achieve the sealing effect of the metal face-to-face seal once the sealing effect at the floating seal 5 fails, and the structure also enables the valve to meet the fire protection requirement of API 6D.
Furthermore, as shown in fig. 2, the section of the second elastic sealing element 10 is in a U-shaped structure, which not only ensures better matching sealing capability for the sealing position, but also facilitates installation and operation of the floating seal 5.
The utility model discloses a theory of operation is: the utility model discloses in the in-process of using, install corresponding elastic sealing element 3 No. 2, elastic sealing element 10 No. two and floating seal 5 between sleeve 2 and disk seat 1, the sealing material that adopts is high temperature resistant, corrosion-resistant, stand wear and tear, the sealing performance of improvement valve junction that these performances can be better of ageing-resistant, floating seal 5's design has the multiple spot advantage simultaneously, utilize the pressure of medium to promote elastic sealing element 3 No. two backward, the part of elastic sealing element 10 makes it compress tightly the part of metal seal face 7, the sealed effect has been strengthened, floating seal 5 is elastic energy storage sealing washer component, elastic energy storage sealing washer component is installed in corresponding ditch inslot, the spring is pressed, form outside tension, make the seal lip hug closely the seal ditch groove, because the spring provides elasticity for the seal lip forever, can compensate seal shell wearing and tearing and the off-centre of cooperation part, thereby forming a seal ranging from vacuum to low pressure. In addition, the system pressure can assist the spring to store energy, the larger the pressure is, the more sufficient the sealing lip is attached to the groove, high-pressure sealing is formed, the sealing size error can be micro-adjusted, the coaxiality error generated by a sealing part can be micro-adjusted, the sealing surface joint can be more effectively protected by installing the floating seal 5, residues can not be extruded at the sealing surface when the valve is closed, the strong seal 8 is installed at the metal sealing surface 7, once the sealing effect at the floating seal 5 fails, the metal surface-to-surface sealing can play a sealing effect, meanwhile, the structure enables the valve to meet the fireproof requirement of API6D, the structure is simple, the installation and the use are convenient, and the stronger sealing effect at the joint of the valve seat 1 is ensured.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (6)
1. The novel floating sealing structure is characterized by comprising a valve seat and a sleeve, wherein a first sealing groove and a second sealing groove are formed in the joint of the valve seat and the sleeve, a first elastic sealing element and a second elastic sealing element are arranged in the first sealing groove and the second sealing groove, the first elastic sealing element and the second elastic sealing element are of an integrated structure, one side of the sleeve is provided with a metal sealing surface, a powerful seal is arranged on the metal sealing surface, a mounting hole is formed in the inside of the second elastic sealing element, and a floating seal is arranged in the mounting hole.
2. The novel floating seal structure for monitoring and controlling a pressure regulating valve according to claim 1, wherein the inner dimensions of the first seal groove and the second seal groove are matched with the outer dimensions of the combination of the first elastic seal and the second elastic seal.
3. The novel floating seal structure for monitoring and controlling a pressure regulating valve according to claim 1, wherein the floating seal is an elastic energy storage sealing ring member.
4. The novel floating seal structure for monitoring and controlling a pressure regulating valve according to claim 1, wherein both the first elastic sealing element and the second elastic sealing element are elastic sealing gasket members.
5. The novel floating seal structure for monitoring and controlling a pressure regulating valve according to claim 1, wherein said power seal is a metal hard seal structure.
6. The novel floating sealing structure for monitoring and controlling the pressure regulating valve according to claim 1, wherein the section of the second elastic sealing element is in a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467620.7U CN211853003U (en) | 2020-04-02 | 2020-04-02 | Novel floating sealing structure of monitoring pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467620.7U CN211853003U (en) | 2020-04-02 | 2020-04-02 | Novel floating sealing structure of monitoring pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211853003U true CN211853003U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020467620.7U Active CN211853003U (en) | 2020-04-02 | 2020-04-02 | Novel floating sealing structure of monitoring pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211853003U (en) |
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2020
- 2020-04-02 CN CN202020467620.7U patent/CN211853003U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220721 Address after: 710200 No. 12, middle section of Jingxin Road, Jingwei Industrial Park, economic and Technological Development Zone, Xi'an, Shaanxi Province Patentee after: Xi'an aikefu fluid control technology Co.,Ltd. Address before: 750299 8 Yongsheng West Road 3, Desheng Industrial Park, Yinchuan, the Ningxia Hui Autonomous Region, 8 Patentee before: AFV Flow Technical (Ningxia) Co.,Ltd. |
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| TR01 | Transfer of patent right |