CN203131093U - Combined type valve seat anti-surge hemispherical valve - Google Patents
Combined type valve seat anti-surge hemispherical valve Download PDFInfo
- Publication number
- CN203131093U CN203131093U CN 201320056236 CN201320056236U CN203131093U CN 203131093 U CN203131093 U CN 203131093U CN 201320056236 CN201320056236 CN 201320056236 CN 201320056236 U CN201320056236 U CN 201320056236U CN 203131093 U CN203131093 U CN 203131093U
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- combined type
- valve seat
- type valve
- surge
- valve
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Abstract
The utility model discloses a combined type valve seat anti-surge hemispherical valve which comprises a lower valve rod, a valve body, a hemispherical body and an upper valve rod. A combined type valve seat is arranged between the hemispherical body and the valve body. Two metal hard seals are arranged between the combined type valve seat and the hemispherical body. A soft seal is arranged between the two metal hard seals. A spring and an outer step are arranged at the rear end of the combined type valve seat. The portions, making contact with the hemispherical body, of the outer side edges of the two metal hard seals are respectively provided with a scraper structure. The soft seal is made of polytetrafluoroethylene and the metal hard seals are made of stellite materials. A sealing face of the hemispherical body and the combined type valve seat is coated with a stellite coating. The combined type valve seat anti-surge hemispherical valve is rapid in opening and closing, simple in structure, large in discharge coefficient, large in adjustable rate, high in sealing level and long in service life.
Description
Technical field
The utility model relates to a kind of semispherical valve, relates in particular to a kind of combined type valve seat anti-surge semispherical valve.
Background technique
Present semispherical valve, drive unit is done the part rotation motion by valve rod driving hemisphere and is realized that valve is to cut-out and the adjusting of pipeline medium.Adopt two eccentric structures designs, close in the closed procedure, the hemisphere sealing surface is adjacent to sealing surface of seat, reaches high sealing class requirement (zero leakage); Otherwise in opening process, hemispheroidal sealing surface is at first thrown off with sealing surface of seat, under the frictionless state, carries out part revolution breakdown action.
But the anti-surge semispherical valve of Shi Yonging in the market, otherwise simple soft seal, otherwise simple metal hard-sealing, these two kinds of structures all exist certain defective and deficiency:
The serviceability temperature scope of soft seal anti-surge semispherical valve depends on the temperature resistant range of soft seal valve seat material, and non-refractory is not wear-resistant, not erosion resistance etc.;
The using scope of metal hard-sealing anti-surge semispherical valve is compared with soft seal anti-surge semispherical valve very big expansion, high temperature resistant, wear-resistant, erosion resistance etc., but in closing closed procedure, very easily damage sealing pair, cause valve leak.
Summary of the invention
The purpose of this utility model provides the combined type valve seat anti-surge semispherical valve of a kind of good sealing effect, long service life.
The purpose of this utility model is achieved through the following technical solutions:
Combined type valve seat anti-surge semispherical valve of the present utility model, comprise lower valve rod, valve body, hemisphere, upper valve rod, be provided with the combined type valve seat between described hemisphere and the valve body, be provided with the twice metal hard-sealing between described combined type valve seat and the described hemisphere, be provided with soft seal between the twice metal hard-sealing.
The technological scheme that is provided by above-mentioned the utility model as can be seen; the combined type valve seat anti-surge semispherical valve that the utility model embodiment provides; owing to be provided with the twice metal hard-sealing between combined type valve seat and the described hemisphere; be provided with soft seal between the twice metal hard-sealing; based on metal hard-sealing; soft seal is auxilliary; the tiny solid particle of hemisphere sealing surface surface adhesion is eaten by the soft seal valve seat in closing closed procedure; protect hemisphere, metal hard-sealing valve base sealing pair effectively, improved sealing effect and working life.
Description of drawings
The structural representation of the combined type valve seat anti-surge semispherical valve that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the A portion structure for amplifying schematic representation of Fig. 1.
Among the figure: 1, bottom, 2, lower valve rod, 3, valve body, 4, hemisphere, 5, upper valve rod, 6, the combined type valve seat, 7, spring, 8, trim ring, 9, filler, 10, Gland, 11, the butterfly spring, 12, support, 13, metal hard-sealing, 14, soft seal, 15, outer step matching part, 16, blade construction, 17, the Si Tailai alloy coat.
Embodiment
To be described in further detail the utility model embodiment below.
Combined type valve seat anti-surge semispherical valve of the present utility model, its preferable embodiment is:
Comprise lower valve rod, valve body, hemisphere, upper valve rod, be provided with the combined type valve seat between described hemisphere and the valve body, be provided with the twice metal hard-sealing between described combined type valve seat and the described hemisphere, be provided with soft seal between the twice metal hard-sealing.
The valve body at described combined type valve seat rear portion is provided with trim ring, is provided with spring between the rear end of described combined type valve seat and the described trim ring.
The external side brim of described twice metal hard-sealing is provided with blade construction with the position that described hemisphere contacts.
The rear end of described combined type valve seat is provided with outer step.
Polytetrafluoroethylmaterial material is adopted in described soft seal, and described metal hard-sealing adopts the Si Tailai alloy material.
Be coated with officials Tai Lai alloy coat on the sealing surface of described hemisphere and described combined type valve seat.
Be provided with filler and gland between described upper valve rod and the described valve body, the hold-down bolt place of described gland is provided with the butterfly spring.
Described filler adopts V-type graphite or polytetrafluoroethylmaterial material.
The position that described combined type valve seat cooperates with described valve body is provided with O type circle.
Combined type valve seat anti-surge semispherical valve of the present utility model is (based on metal hard-sealing; soft seal is the combined type valve seat construction of assisting; also establishing has blade construction simultaneously); the tiny solid particle of hemisphere sealing surface surface adhesion is eaten by the soft seal valve seat in closing closed procedure, has protected hemisphere, metal hard-sealing valve base sealing pair effectively.Comprise valve body, combined type valve seat, hemisphere, valve rod etc., the matching part that seal request is arranged, all there are O shape circle, seal ring etc. to guarantee the sealing grade, adopt outer step to cooperate between combined type valve seat and the valve body, the very effective phenomenons such as hemisphere and combined type valve seat generation jam, the disengaging of combined type valve seat that prevent; Design has the spring of using because of pressure, temperature variation and sealing pair wear compensation between combined type valve seat and the trim ring.Adopt multiple V graphite or PTFE (teflon) the material filler that can satisfy the tiny leakage seal request fully between valve rod and the valve body.Can be used for the special bad working environments of " gas-solid " or " liquid-solid " two-phase mixed medium stream and design, have rapid, simple in structure, the characteristics such as flow coefficient is big, regulating ratio is big, sealing grade height, long service life that open and close, under this bad working environments, exclusive combined type seat design, improve constantly sealability and working life, guarantee valve long-term proper functioning continuously.
Specific embodiment:
As shown in Figure 1 and Figure 2, the anti-surge semispherical valve is a kind of eccentric half-ball valve with V-notch hemisphere, combined type valve seat, can realize adjusting or cut-out to pipeline medium with supporting uses of relevant spacing components and parts such as valve positioner or valve position transmitters.Comprise bottom 1, lower valve rod 2, valve body 3, hemisphere 4, upper valve rod 5, combined type valve seat 6, spring 7, trim ring 8, filler 9, Gland 10, butterfly spring 11, support 12.Lower valve rod 2, upper valve rod 5 adopt spline to be connected with hemisphere 4, guarantee that lower valve rod 2, upper valve rod 5 drop to minimum with hemisphere 4 matching gaps, guarantee that the gyration center of hemisphere 4 in the opening-closing process is constant; Adopt outer step to cooperate between combined type valve seat 6 and the valve body 3, the very effective phenomenons such as hemisphere 4 and combined type valve seat 6 generation jams, 6 disengagings of combined type valve seat that prevent; Design has the spring of using because of pressure, temperature variation and sealing pair wear compensation 7 between combined type valve seat 6 and the trim ring 8; Adopt multiple V graphite or the PTFE material filler 9 that can satisfy the tiny leakage seal request fully.
The anti-surge semispherical valve of the novel band V-notch of this kind hemisphere, combined type valve seat; based on metal hard-sealing; soft seal is combined type valve seat 6 structures of assisting; these combined type valve seat 6 designs have blade construction; in the process that opens and closes; sealing surface surface to hemisphere 4 has self-cleaning function; can effectively scrape off the adhesion solid particle on the sealing surface; the property received of recycling soft seal valve seat; absorption, the tiny solid particle on hemisphere 4 sealing surfaces of eating have been protected the sealing pair of hemisphere 4 and combined type valve seat 6 to the full extent.
Adopt outer step to cooperate between combined type valve seat 6 and the valve body 3, the very effective phenomenons such as hemisphere 4 and combined type valve seat 6 generation jams, 6 disengagings of combined type valve seat that prevent; Design has the spring of using because of pressure, temperature variation and sealing pair wear compensation 7 between combined type valve seat 6 and the trim ring 8, spring 7 is under the effect of trim ring 8, be provided with certain decrement, produce corresponding spring force and be applied on the combined type valve seat 6, combined type valve seat 6 is fitted tightly all the time on the sealing surface of hemisphere 4.
Adopt multiple V-type graphite or the PTFE material filler 9 that can satisfy the tiny leakage seal request fully.Be provided with 11 pairs of multiple V-type graphite of some groups of butterfly springs or PTFE material filler 9 simultaneously pretightening force is provided, guarantee the valve leak that multiple V-type graphite or PTFE material filler 9 do not cause because of pressure, temperature variation and switching motion.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. combined type valve seat anti-surge semispherical valve, comprise lower valve rod, valve body, hemisphere, upper valve rod, it is characterized in that, be provided with the combined type valve seat between described hemisphere and the valve body, be provided with the twice metal hard-sealing between described combined type valve seat and the described hemisphere, be provided with soft seal between the twice metal hard-sealing.
2. combined type valve seat anti-surge semispherical valve according to claim 1 is characterized in that, the valve body at described combined type valve seat rear portion is provided with trim ring, is provided with spring between the rear end of described combined type valve seat and the described trim ring.
3. combined type valve seat anti-surge semispherical valve according to claim 2 is characterized in that the external side brim of described twice metal hard-sealing is provided with blade construction with the position that described hemisphere contacts.
4. combined type valve seat anti-surge semispherical valve according to claim 3 is characterized in that the rear end of described combined type valve seat is provided with outer step.
5. according to each described combined type valve seat anti-surge semispherical valve of claim 1 to 4, it is characterized in that polytetrafluoroethylmaterial material is adopted in described soft seal, described metal hard-sealing adopts the Si Tailai alloy material.
6. combined type valve seat anti-surge semispherical valve according to claim 5 is characterized in that, is coated with officials Tai Lai alloy coat on the sealing surface of described hemisphere and described combined type valve seat.
7. according to each described combined type valve seat anti-surge semispherical valve of claim 1 to 4, it is characterized in that be provided with filler and gland between described upper valve rod and the described valve body, the hold-down bolt place of described gland is provided with the butterfly spring.
8. combined type valve seat anti-surge semispherical valve according to claim 7 is characterized in that, described filler adopts V-type graphite or polytetrafluoroethylmaterial material.
9. according to each described combined type valve seat anti-surge semispherical valve of claim 1 to 4, it is characterized in that the position that described combined type valve seat cooperates with described valve body is provided with O type circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056236 CN203131093U (en) | 2013-01-31 | 2013-01-31 | Combined type valve seat anti-surge hemispherical valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056236 CN203131093U (en) | 2013-01-31 | 2013-01-31 | Combined type valve seat anti-surge hemispherical valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203131093U true CN203131093U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320056236 Expired - Fee Related CN203131093U (en) | 2013-01-31 | 2013-01-31 | Combined type valve seat anti-surge hemispherical valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203131093U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712786A (en) * | 2015-03-20 | 2015-06-17 | 海安阀门厂有限公司 | Soft sealing structure for valve seat |
| CN104879520A (en) * | 2015-06-03 | 2015-09-02 | 航天长征化学工程股份有限公司 | Floating ball valve |
| CN105805341A (en) * | 2016-05-30 | 2016-07-27 | 乌鲁木齐市闽之宇阀业有限公司 | Dual-material multi-protection sealing mechanism of ball valve |
| CN106763872A (en) * | 2017-02-09 | 2017-05-31 | 李祥庆 | Prevent outer V type ball valve that leaks |
| CN107061780A (en) * | 2017-05-27 | 2017-08-18 | 浙江永联阀门有限公司 | A kind of Pneumatic lining fluorine V-type ball valve |
| CN107676499A (en) * | 2017-10-30 | 2018-02-09 | 博纳斯威阀门股份有限公司 | With the multiple-sealed valve with descaling function |
| CN108253149A (en) * | 2016-12-29 | 2018-07-06 | 上海纽京工业设备有限公司 | The program-controlled ball valve of polyolefin |
| CN110686092A (en) * | 2019-10-30 | 2020-01-14 | 昆山维萨阀门股份有限公司 | Hemisphere metal seal fixed ball valve |
| CN114776828A (en) * | 2022-04-13 | 2022-07-22 | 江苏中冶液压件有限公司 | High-performance hard sealing ball valve for high temperature and high pressure |
| CN115031034A (en) * | 2022-06-07 | 2022-09-09 | 阿伐流体控制有限公司 | Wear-resisting C type ball valve |
| CN115059776A (en) * | 2022-08-15 | 2022-09-16 | 河北同力自控阀门制造有限公司 | Ball-shaped regulating valve |
-
2013
- 2013-01-31 CN CN 201320056236 patent/CN203131093U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712786A (en) * | 2015-03-20 | 2015-06-17 | 海安阀门厂有限公司 | Soft sealing structure for valve seat |
| CN104879520A (en) * | 2015-06-03 | 2015-09-02 | 航天长征化学工程股份有限公司 | Floating ball valve |
| CN105805341A (en) * | 2016-05-30 | 2016-07-27 | 乌鲁木齐市闽之宇阀业有限公司 | Dual-material multi-protection sealing mechanism of ball valve |
| CN105805341B (en) * | 2016-05-30 | 2019-04-26 | 乌鲁木齐市闽之宇阀业有限公司 | The double material multiple protective sealing mechanisms of ball valve |
| CN108253149A (en) * | 2016-12-29 | 2018-07-06 | 上海纽京工业设备有限公司 | The program-controlled ball valve of polyolefin |
| CN106763872A (en) * | 2017-02-09 | 2017-05-31 | 李祥庆 | Prevent outer V type ball valve that leaks |
| CN107061780A (en) * | 2017-05-27 | 2017-08-18 | 浙江永联阀门有限公司 | A kind of Pneumatic lining fluorine V-type ball valve |
| CN107676499A (en) * | 2017-10-30 | 2018-02-09 | 博纳斯威阀门股份有限公司 | With the multiple-sealed valve with descaling function |
| CN110686092A (en) * | 2019-10-30 | 2020-01-14 | 昆山维萨阀门股份有限公司 | Hemisphere metal seal fixed ball valve |
| CN114776828A (en) * | 2022-04-13 | 2022-07-22 | 江苏中冶液压件有限公司 | High-performance hard sealing ball valve for high temperature and high pressure |
| CN115031034A (en) * | 2022-06-07 | 2022-09-09 | 阿伐流体控制有限公司 | Wear-resisting C type ball valve |
| CN115059776A (en) * | 2022-08-15 | 2022-09-16 | 河北同力自控阀门制造有限公司 | Ball-shaped regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RAYMOND (BEIJING) VALVE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: XU MOUTONG Effective date: 20141224 Free format text: FORMER OWNER: CHEN SHUANGPIN RAYMOND (BEIJING) VALVE MANUFACTURING CO., LTD. Effective date: 20141224 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141224 Address after: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee after: RAYMOND (BEIJING) VALVE MANUFACTURING Co.,Ltd. Address before: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee before: Xu Moutong Patentee before: Chen Shuangpin Patentee before: RAYMOND (BEIJING) VALVE MANUFACTURING Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee after: RAYMOND (BEIJING) TECHNOLOGY CO.,LTD. Address before: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee before: Raymond (Beijing) valve manufacturing Limited by Share Ltd. Address after: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee after: Raymond (Beijing) valve manufacturing Limited by Share Ltd. Address before: 101500 Beijing Miyun City Economic Development Zone C Yan Road No. 9-1 Patentee before: RAYMOND (BEIJING) VALVE MANUFACTURING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20190131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |