CN203239978U - Integrated rigidity sealing ball valve - Google Patents
Integrated rigidity sealing ball valve Download PDFInfo
- Publication number
- CN203239978U CN203239978U CN 201220755784 CN201220755784U CN203239978U CN 203239978 U CN203239978 U CN 203239978U CN 201220755784 CN201220755784 CN 201220755784 CN 201220755784 U CN201220755784 U CN 201220755784U CN 203239978 U CN203239978 U CN 203239978U
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- CN
- China
- Prior art keywords
- valve
- valve seat
- ball
- ball body
- spheroid
- 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.)
- Expired - Fee Related
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- Taps Or Cocks (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a valve, and discloses an integrated rigidity sealing ball valve. A connector of the ball valve is connected with a valve body in a welding mode to form an integrated structure. A ball body is arranged inside the valve body, a flat groove is formed in the ball body, and a left valve seat and a right valve seat are arranged on the two sides of the ball body respectively. A belleville spring and a snap spring are arranged sequentially on the right side of the right valve seat, and the ball body and the left valve seat are fixed through the right valve seat, the belleville spring and the snap spring. A valve rod is arranged on the groove of the ball body, padding is arranged on the valve rod, and a padding pressing sleeve is arranged at the upper end of the padding. The advanced ball body and valve seat rigiding technology is adopted, the sealing plane material of the ball valve has good abrasion resistance and shock resistance, and the service life is prolonged. A sealing structure loaded by the belleville spring or a spring is adopted, so that the valve is effectively prevented from expanding to dead under high temperature. The sealing plane of the valve body has the self-cleaning function, impurities attached to the surface of the ball body can be scraped automatically, and the frequency of surface damage of the ball body is reduced. Meanwhile, the unique grinding technology is adopted on the ball body, the sealing performance is good, and the frequency that the valve body leaks is reduced to the most extent.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of integrated hard sealed ball valve.
Background technique
Since China reform and opening-up, national economy obtains rapid growth, has become the main flow of the present industrial development of China with " scientific and technical innovation, autonomous innovation ", and China's industry is progressively to intensive style, energy-saving and emission-reduction, the future development of low-carbon (LC).Ball valve is the open-shut device by a spheroid with holes (or part ball), makes a kind of valve that rotation reaches unlatching, closes around the valve body center line.Ball valve is divided into soft sealing ball valve and hard seal ball valve according to its sealed nature.Under the strong working environment of high temperature and abrasiveness, must adopt the hard seal ball valve of metal sealing.Can there be certain defective in most hard seal ball valves in the market: 1. the spheroid hardness of hard seal ball valve is not high, and is not wear-resisting, causes in a short time spherome surface scuffing, and shorten working life; If excess Temperature can produce the large or spheroid of moment and rises extremely when 2. using, valve can not be opened or close; 3. spherome surface scabs, cause the spherome surface damage, produce the problems such as leakage, in order to overcome the above problems, R﹠D institution and science and technology in enterprise personnel utilize modern science and technology in constantly research, exploration, and existing hard seal ball valve is improved innovation, although obtained technically some progress, in practice, still existed the technical barrier that not yet overcomes.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, and a kind of integrated hard sealed ball valve is provided, and this ball valve adopts advanced spheroid and valve seat hardening technique, makes seal face materials have good wear-resisting wiping and impact resistance, can prolong the working life of valve; Adopt the yellow or spring-loaded sealing configuration of dish, prevent that effectively valve from high temperature rising extremely; Valve body sealing surface can remove the impurity that is attached to spherome surface by automatic scraping with self-cleaning function, reduces the spherome surface damage.Simultaneously, spheroid also adopts unique abrasive process, and good seal performance has at utmost reduced the generation that valve body leaks.
The technological scheme that its technical problem that solves the utility model adopts is: contain filler pressing sleeve, valve rod, filler, valve body, left valve seat, spheroid, right valve seat, belleville spring, jump ring, joint, between joint and the valve body by the welding manner formula structure that links into an integrated entity, be provided with spheroid in the valve body, spheroid is provided with the flat groove, the spheroid both sides are respectively equipped with left valve seat and right valve seat, left valve seat and right valve seat are " protruding " shape, right valve seat right side is provided with belleville spring and jump ring successively, the valve seat of keeping right between spheroid and the left valve seat, belleville spring and jump ring are fixed, the groove of spheroid is provided with valve rod, valve rod is provided with filler, the upper end of filler is provided with filler pressing sleeve, has formed a kind of integrated hard sealed ball valve.
The know-why that the utility model adopts is: valve body and joint form integral structure by welding manner, the sealing surface of spheroid and left valve seat and right valve seat adopts advanced hardening technique, comprise that supersonic spray coating, Ni based spray-welded, surface are special superpressed, cemented carbide surfacing and adopt high strength and high hardness stupalith etc., seal face materials also has the characteristics such as wear-resisting wiping, shock-resistant, good seal performance.The sealing configuration that valve body has adopted belleville spring and jump ring to load, under the working environment of high temperature, the thermal expansion of component can be absorbed by belleville spring and jump ring, guarantees that spheroid at high temperature can not risen extremely, and valve is is at high temperature opened and closed flexibly.Because the mode of structure that the seal ring of ball valve adopts belleville spring and jump ring that seal ring and spool are held tightly, so when extraneous strength surpassed the pretightening force of spring, ball valve opened and closed very light.The sealability of ball valve adopts unique ball lapping technique, in the rotation of space different azimuth, makes spherome surface reach high circularity and degree of finish by spheroid and lapping apparatus, and the sealability of valve meets or exceeds standard-required fully.The sealing surface of valve is provided with projection, when spheroid along with valve opening or close and when rotating, can automatic scraping be attached to the impurity of spherome surface except scabbing on the spherome surface, dirt, gum deposit and other, can effectively reach the purpose of self cleaning, reduce the spherome surface damage.
The utility model beneficial effect is: this model utility reasonable in design, and good seal performance under the operating mode of high temperature, can effectively avoid valve to produce the large and dead situation that rises of moment, and sealing surface is with self-cleaning function, safety easy to use, the life-span is long.
Description of drawings
The below further describes the utility model in conjunction with the accompanying drawings and embodiments:
It is a kind of integrated hard sealed ball valve structural representation among the figure.
In the drawings: 1. filler pressing sleeve, 2. valve rod, 3. filler, 4. valve body, 5. left valve seat, 6. spheroid, 7. right valve seat, 8. belleville spring, 9. jump ring, 10 joints.
Embodiment
In the drawings, between joint 10 and the valve body 4 by the welding manner formula structure that links into an integrated entity, be provided with spheroid 6 in the valve body 4, spheroid 6 is provided with the flat groove, spheroid 6 both sides are respectively equipped with left valve seat 5 and right valve seat 7, left valve seat 5 and right valve seat 7 are " protruding " shape, and right valve seat 7 right sides are provided with belleville spring 8 and jump ring 9 successively, and keep right between spheroid 6 and the left valve seat 5 valve seat 7, belleville spring 8 and jump ring 9 are fixed; The groove of spheroid 6 is provided with valve rod 2, and valve rod 2 is provided with filler 3, and the upper end of filler 3 is provided with filler pressing sleeve 1.
Valve body 4 forms integral structure with joint 10 by welding manner, spheroid 6 adopts multiple advanced person's hardening technique with the sealing surface of left valve seat 5 and right valve seat 7, comprise that supersonic spray coating, Ni based spray-welded, surface are special superpressed, cemented carbide surfacing and adopt high strength and high hardness stupalith etc., seal face materials also has the characteristics such as wear-resisting wiping, shock-resistant, good seal performance.The sealing configuration that valve body 4 has adopted belleville spring 8 and jump ring 9 to load, under the working environment of high temperature, the thermal expansion of component can be absorbed by belleville spring 8 and jump ring 9, guarantees that spheroid 6 at high temperature can not risen extremely, and valve is is at high temperature opened and closed flexibly.Because the mode of structure that the seal ring of ball valve adopts belleville spring 8 and jump ring 9 that seal ring and spool are held tightly, so when extraneous strength surpassed the pretightening force of spring, ball valve opened and closed very light.The sealability of ball valve is to adopt unique spheroid 6 abrasive process, by spheroid 6 and the rotation of lapping apparatus in the space different azimuth, makes spherome surface reach high circularity and degree of finish, and the sealability of valve meets or exceeds standard-required fully.The sealing surface of valve is provided with projection, when spheroid along with valve opening or close and when rotating, can automatic scraping be attached to the impurity of spherome surface except scabbing on the spherome surface, dirt, gum deposit and other, can effectively reach the purpose of self cleaning, reduce the spherome surface damage.
Claims (1)
1. integrated hard sealed ball valve, contain filler pressing sleeve, valve rod, filler, valve body, left valve seat, spheroid, right valve seat, belleville spring, jump ring, joint, it is characterized in that: between joint and the valve body by the welding manner formula structure that links into an integrated entity, be provided with spheroid in the valve body, spheroid is provided with the flat groove, the spheroid both sides are respectively equipped with left valve seat and right valve seat, left valve seat and right valve seat are " protruding " shape, right valve seat right side is provided with belleville spring and jump ring successively, the valve seat of keeping right between spheroid and the left valve seat, belleville spring and jump ring are fixed, the groove of spheroid is provided with valve rod, and valve rod is provided with filler, and the upper end of filler is provided with filler pressing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220755784 CN203239978U (en) | 2012-12-30 | 2012-12-30 | Integrated rigidity sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220755784 CN203239978U (en) | 2012-12-30 | 2012-12-30 | Integrated rigidity sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239978U true CN203239978U (en) | 2013-10-16 |
Family
ID=49317276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220755784 Expired - Fee Related CN203239978U (en) | 2012-12-30 | 2012-12-30 | Integrated rigidity sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615560A (en) * | 2013-10-29 | 2014-03-05 | 浙江国阀科技有限公司 | Laser-welded integrated ball valve |
| CN110360333A (en) * | 2019-08-19 | 2019-10-22 | 江苏江恒阀业有限公司 | A kind of superhigh temperature rigidity seal ball valve |
-
2012
- 2012-12-30 CN CN 201220755784 patent/CN203239978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615560A (en) * | 2013-10-29 | 2014-03-05 | 浙江国阀科技有限公司 | Laser-welded integrated ball valve |
| CN110360333A (en) * | 2019-08-19 | 2019-10-22 | 江苏江恒阀业有限公司 | A kind of superhigh temperature rigidity seal ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |