CN211599601U - Floating soft seal ball valve with self-cleaning valve seat - Google Patents

Floating soft seal ball valve with self-cleaning valve seat Download PDF

Info

Publication number
CN211599601U
CN211599601U CN201922458777.3U CN201922458777U CN211599601U CN 211599601 U CN211599601 U CN 211599601U CN 201922458777 U CN201922458777 U CN 201922458777U CN 211599601 U CN211599601 U CN 211599601U
Authority
CN
China
Prior art keywords
cleaning ring
ring
cleaning
wave spring
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922458777.3U
Other languages
Chinese (zh)
Inventor
黄晖
庄会涛
陈林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Electric Suzhou Dauson Valve Co ltd
Original Assignee
Suzhou Douson Valve Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Douson Valve Co ltd filed Critical Suzhou Douson Valve Co ltd
Priority to CN201922458777.3U priority Critical patent/CN211599601U/en
Application granted granted Critical
Publication of CN211599601U publication Critical patent/CN211599601U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a take unsteady soft seal ball valve of disk seat automatically cleaning, includes valve body, valve gap, spheroid and disk seat subassembly, the disk seat subassembly includes wave spring and clean circle, wave spring sets up in the valve gap, clean circle one end and wave spring contact, the other end and the spheroidal sphere contact of clean circle. The utility model discloses take the soft sealing ball valve that floats of disk seat automatically cleaning has guaranteed the cleanness of the sealed face of spheroid, prevents the harm of granule miscellaneous pair soft sealing disk seat on the sphere, and then has improved the sealed effect of whole ball valve, has prolonged life.

Description

Floating soft seal ball valve with self-cleaning valve seat
Technical Field
The utility model relates to a ball valve technical field, especially a take unsteady soft sealing ball valve of disk seat automatically cleaning.
Background
Along with the rapid development of national economy, the demand of ball valves on national industrial production is continuously increased, ball valves under various severe working conditions need many engineering technicians in the field for research and development, long-term research and analysis find that the traditional soft-seal floating ball valve has excellent sealing effect and good early-stage use effect under the working condition that certain pipelines contain impurities and particles or can generate crystals, but the normal use of the valve is influenced due to the fact that particle impurities or crystal crystals in media wear soft valve seats, so that the sealing failure is caused, the normal use of the valve is influenced, the normal operation of the whole pipeline device is influenced, the use cost of the valve and the maintenance cost of the whole pipeline device are increased, and the requirements of energy conservation, emission reduction, low carbon and high efficiency development of the industry are not met.
Disclosure of Invention
In order to solve the problem, the utility model provides a take unsteady soft sealing ball valve of disk seat automatically cleaning can effectively clear away the particle impurity on the sphere, increase of service life.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a take unsteady soft seal ball valve of disk seat automatically cleaning, includes valve body, valve gap, spheroid and disk seat subassembly, the disk seat subassembly includes wave spring and clean circle, wave spring sets up in the valve gap, clean circle one end and wave spring contact, the other end and the spheroidal sphere contact of clean circle.
In a preferred embodiment of the present invention, the cleaning ring comprises an outer cleaning ring and an inner cleaning ring, and a soft valve seat is disposed between the outer cleaning ring and the inner cleaning ring.
In a preferred embodiment of the present invention, the wave spring includes a first wave spring and a second wave spring, the first wave spring applies an elastic force to make the outer edge of the outer cleaning ring closely fit with the spherical surface of the sphere, and the second wave spring applies an elastic force to make the outer edge of the inner cleaning ring closely fit with the spherical surface of the sphere.
In a preferred embodiment of the present invention, the valve seat assembly further comprises a fire collar and a compression ring, the fire collar and the compression ring being respectively disposed between the second wave spring and the inner cleaning ring.
In a preferred embodiment of the present invention, the outer cleaning ring is made of an annular metal material, the outer edge of the outer cleaning ring is in contact with the spherical surface of the sphere and perpendicular to the spherical surface, and the outer edge of the outer cleaning ring forms a scraper edge.
In a preferred embodiment of the present invention, the inner cleaning ring is made of an annular metal material, the outer edge of the inner cleaning ring is in contact with the spherical surface of the sphere and perpendicular to the spherical surface, and the outer edge of the inner cleaning ring forms a scraper edge.
In a preferred embodiment of the present invention, the inner cleaning ring is provided with an annular groove for installing the fire-proof ring, and the fire-proof ring is made of flexible graphite.
The utility model has the advantages that: outer clean circle and interior clean circle clamp soft valve seat in the centre, in the switch process, through the elasticity that wave spring group applyed, make whole and the sphere of outer clean circle closely laminate, through the elasticity that wave spring group applyed, make whole and the sphere of interior clean circle closely laminate, scrape off the granule impurity on the sphere of soft valve seat both sides, the cleanness of the sealed face of spheroid has been guaranteed, prevent the harm of granule impurity on the sphere to soft seal valve seat, the life of soft valve seat has been improved, and then the sealed effect of whole ball valve has been improved, and service life is prolonged.
Drawings
FIG. 1 is a schematic view of a floating soft seal ball valve with self-cleaning valve seat according to the present invention;
FIG. 2 is an enlarged view of the portion A of the valve seat of FIG. 1;
FIG. 3 is an enlarged view of the outer cleaning ring;
FIG. 4 is an enlarged view of the inner cleaning ring;
FIG. 5 is a schematic view of the closed position of the ball valve;
figure 6 is a schematic of the ball valve open position.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
As shown in fig. 1 to 6, the floating soft seal ball valve with the self-cleaning valve seat of the embodiment includes a valve body 1, a ball body 2, a gasket 3, a stud 4, a nut 5, a valve cover 6, a valve seat assembly 7, a filler 8, a handle 9, a lock nut 10, a positioning pin 11, a disc spring 12 and a valve rod 13; FIG. 2 shows: the valve seat assembly 7 includes: the cleaning ring, the wave spring, the soft valve seat 7.3, the fire-proof ring 7.5 and the compression ring 7.6, wherein the wave spring is arranged in the valve cover 6; one end of the cleaning ring is in contact with the wave spring 7.2, and the other end of the cleaning ring is in contact with the spherical surface of the sphere 2.
Further, the cleaning ring comprises an outer cleaning ring 7.1 and an inner cleaning ring 7.4, and the wave springs comprise a first wave spring 7.2 and a second wave spring 7.7; the soft valve seat 7.3 is arranged between the outer cleaning ring 7.1 and the inner cleaning ring 7.4, and the fire prevention ring 7.5 and the compression ring 7.6 are arranged between the second wave spring and the inner cleaning ring 7.4.
Furthermore, one end of the outer cleaning ring 7.1 is in contact with the first wave spring 7.2, the other end of the outer cleaning ring 7.1 is in contact with the spherical surface 2.1 of the sphere 2, the outer edge of the outer cleaning ring 7.1 is tightly attached to the spherical surface of the sphere 2 due to the elastic force exerted by the first wave spring 7.2, one end of the inner cleaning ring 7.4 is in contact with the second wave spring 7.7, the other end of the inner cleaning ring 7.4 is in contact with the spherical surface 2.1 of the sphere 2, and the outer edge of the inner cleaning ring 7.4 is tightly attached to the spherical surface 2.1 of the sphere 2 due to the elastic force exerted by the second wave spring 7.7.
As shown in fig. 3, the outer cleaning ring 7.1 is designed as a ring-shaped metal part, the outer edge of the outer cleaning ring 7.1 is in contact with the spherical surface 2.1 of the sphere 2 and is perpendicular to the spherical surface, and the outer edge of the outer cleaning ring 7.1 forms a scraper edge 2.3.
As shown in fig. 4, the inner cleaning ring 7.4 is designed as a ring-shaped metal part, the outer edge of the inner cleaning ring 7.4 is in contact with the spherical surface 2.1 of the sphere 2 and is perpendicular to the spherical surface, and the outer edge of the inner cleaning ring 7.4 forms a scraper edge 2.4. The inner cleaning ring 7.4 is provided with a ring groove for mounting the fire protection ring 7.5, the fire protection ring 7.5 is made of flexible graphite, the elastic force applied by the second wave spring 7.7 is transmitted to the compression ring 7.6 to compress the fire protection ring 7.5, and the inner cleaning ring 7.4 and the spherical sealing surface of the sphere 2 are matched and ground to form a sealing pair which has the effect of fire protection of the ball valve together with the fire protection ring 7.5.
The valve opening process: the operation of the ball valve from the closed position to the open position, referred to as the opening process, is shown in fig. 5, if a layer of particulate impurities 100 or crystalline crystals is attached to the surface of the ball 2, in the opening process of the valve, the operating handle 9 is rotated anticlockwise as shown in figure 5, the valve rod 13 is driven to rotate anticlockwise, the ball body 2 is driven to rotate anticlockwise, the outer cleaning ring 7.1 and the inner cleaning ring 7.4 clamp the soft valve seat 7.3 in the middle, the elastic force exerted by the first wave spring 7.2 causes the outer cleaning ring 7.1 to be tightly attached to the spherical surface of the sphere 2 in the whole process, through the elasticity that second wave spring 7.7 was applyed for interior clean circle 7.4 is whole closely laminated with 2 spheres of spheroid, scrapes off granule impurity 100 on the sphere of soft valve seat 7.3 both sides, has guaranteed the cleanness of 2 sealed faces of spheroid, prevents the harm of granule impurity 100 on the sphere to the soft valve seat, has improved the life of soft valve seat.
And (3) valve closing process: the process of operating the ball valve from the open position to the closed position is referred to as the closing process, as shown in fig. 6, if a layer of particulate impurities 100 or crystalline crystals is attached to the surface of the ball at this time, in the closing process of the valve, the operating handle 9 is rotated clockwise as shown in figure 6, the valve rod 13 is driven to rotate clockwise, the ball body 2 is driven to rotate clockwise, the outer cleaning ring 7.1 and the inner cleaning ring 7.4 clamp the soft valve seat 7.3 in the middle, the elastic force exerted by the first wave spring 7.2 causes the outer cleaning ring 7.1 to be tightly attached to the spherical surface of the sphere 2 in the whole process, through the elasticity that second wave spring 7.7 was applyed for interior clean circle 7.4 is whole closely laminated with spheroid 2's sphere, scrapes off the granule impurity on 7.3 both sides sphere of soft valve seat, has guaranteed the cleanness of 2 sealed faces of spheroid, prevents the harm of granule impurity on the sphere to soft valve seat, has improved soft valve seat's life.
Through the description, in the opening and closing process, the sealing requirement of the ball valve can be ensured, the service life of the ball valve soft valve seat is effectively prolonged, the sealing effect and the service life of the whole ball valve are improved, the low-carbon and high-efficiency requirements are met, and the energy-saving and emission-reduction standards are met.
The above-mentioned embodiments should not limit the present invention in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides a take soft sealing ball valve that floats of disk seat automatically cleaning, includes valve body, valve gap, spheroid and valve seat subassembly, its characterized in that: the valve seat assembly comprises a wave spring and a cleaning ring, the wave spring is arranged in the valve cover, one end of the cleaning ring is in contact with the wave spring, and the other end of the cleaning ring is in contact with the spherical surface of the ball body.
2. The self-cleaning, floating, soft-seal ball valve with seat of claim 1, wherein: the cleaning ring comprises an outer cleaning ring and an inner cleaning ring, and a soft valve seat is arranged between the outer cleaning ring and the inner cleaning ring.
3. The self-cleaning, floating, soft-seal ball valve with seat of claim 1, wherein: the wave spring comprises a first wave spring and a second wave spring, the outer edge of the outer cleaning ring is tightly attached to the spherical surface of the sphere due to the elastic force exerted by the first wave spring, and the outer edge of the inner cleaning ring is tightly attached to the spherical surface of the sphere due to the elastic force exerted by the second wave spring.
4. The self-cleaning, floating, soft-seal ball valve with seat of claim 1, wherein: the valve seat assembly further comprises a fire collar and a compression ring, and the fire collar and the compression ring are arranged between the second wave spring and the inner cleaning ring respectively.
5. The self-cleaning, floating, soft seal ball valve with seat of claim 2 wherein: the outer cleaning ring is of an annular metal structure, the outer edge of the outer cleaning ring is in contact with the spherical surface of the sphere and is perpendicular to the spherical surface, and a scraper edge is formed at the outer edge of the outer cleaning ring.
6. The self-cleaning, floating, soft seal ball valve with seat of claim 2 wherein: the inner cleaning ring is of an annular metal structure, the outer edge of the inner cleaning ring is in contact with the spherical surface of the sphere and is perpendicular to the spherical surface, and a scraper edge is formed at the outer edge of the inner cleaning ring.
7. The self-cleaning, floating, soft-seal ball valve with seat of claim 4, wherein: an annular groove for installing a fire-proof ring is arranged on the inner cleaning ring, and the fire-proof ring is made of flexible graphite.
CN201922458777.3U 2019-12-31 2019-12-31 Floating soft seal ball valve with self-cleaning valve seat Active CN211599601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922458777.3U CN211599601U (en) 2019-12-31 2019-12-31 Floating soft seal ball valve with self-cleaning valve seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922458777.3U CN211599601U (en) 2019-12-31 2019-12-31 Floating soft seal ball valve with self-cleaning valve seat

Publications (1)

Publication Number Publication Date
CN211599601U true CN211599601U (en) 2020-09-29

Family

ID=72598472

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922458777.3U Active CN211599601U (en) 2019-12-31 2019-12-31 Floating soft seal ball valve with self-cleaning valve seat

Country Status (1)

Country Link
CN (1) CN211599601U (en)

Similar Documents

Publication Publication Date Title
CN111022695B (en) High-temperature graphite sealing titanium alloy ball valve
CN201028043Y (en) Wear-resistant metal hard sealing ball valve
CN102269279A (en) Cast stone ball valve with combined seal
CN211599601U (en) Floating soft seal ball valve with self-cleaning valve seat
CN201787116U (en) Split type hard seal plug valve
CN2557763Y (en) Hard-soft double-seal ball valve
CN205715756U (en) A kind of novel anti-gray valve seat construction of Coal Chemical Industry ball valve
CN202768892U (en) Improved type stop valve
CN210014024U (en) Novel plate valve
CN201705982U (en) High-temperature wear-resistant ball valve
CN202338656U (en) Metal sealing ball valve for particle medium
CN216112280U (en) Hard sealing ball valve special for smelting working condition
CN201535363U (en) Tri-eccentric hard-sealed butterfly valve sealing pair structure
CN212718121U (en) High-temperature high-pressure hard sealing ball valve
CN209876009U (en) Particle-proof ball valve
CN112253791A (en) Double-sealing ball valve with compensation valve seat
CN201934708U (en) Hard-soft double layer combined seal valve seat of corrugation pipe
CN110686092A (en) Hemisphere metal seal fixed ball valve
CN219606103U (en) Full lining ceramic ball valve
CN208237205U (en) A kind of butterfly valve stuffing-box combined stuffing structure
CN206234458U (en) A kind of anti-lock flue regulating butterfly valve
CN220706464U (en) Valve seat structure of floating ball valve
CN209245309U (en) A kind of safe gate valve of anti-medium leakage
CN215635105U (en) High-temperature erosion-resistant hard sealing ball valve
CN104265941A (en) Metal hard sealing plug valve with filter screen

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 215000 No.42, Guijia lane, Suzhou Industrial Park, Suzhou City, Jiangsu Province

Patentee after: Harbin Electric Suzhou Dauson Valve Co.,Ltd.

Country or region after: China

Address before: 215000 No.42, Guijia lane, Suzhou Industrial Park, Suzhou City, Jiangsu Province

Patentee before: SUZHOU DOUSON VALVE CO.,LTD.

Country or region before: China

CP03 Change of name, title or address