CN201705962U - Back-flushing quick-opening angle valve - Google Patents
Back-flushing quick-opening angle valve Download PDFInfo
- Publication number
- CN201705962U CN201705962U CN2010202922400U CN201020292240U CN201705962U CN 201705962 U CN201705962 U CN 201705962U CN 2010202922400 U CN2010202922400 U CN 2010202922400U CN 201020292240 U CN201020292240 U CN 201020292240U CN 201705962 U CN201705962 U CN 201705962U
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- valve
- valve rod
- pneumatic actuator
- packing
- valve seat
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- Expired - Fee Related
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Abstract
The utility model relates to a back-flushing quick-opening angle valve comprising a pneumatic actuator, a valve rod, a valve core, a valve seat, a 90-degree valve body and the like, wherein the valve rod has a double seal structure with a corrugated pipe and a valve rod packing seal device, and the valve rod is connected with an actuation shaft of the pneumatic actuator through a universal joint; the valve core can be automatically centered under the action of the universal joint and the pneumatic actuator and is concentrically attached with the valve seat to be sealed together, and the connection position of the valve seat with the valve body is provided with a butterfly-shaped spring playing the role of buffering; the valve rod packing seal device is arranged below the welding position of the valve rod and the corrugated pipe and comprises a graphite ring, a graphite packing, a graphite packing pressing plate and a pressing plate fastening bolt. Double seal of the packing and the corrugated pipe of the back-flushing quick-opening angle valve lowers the possibility of leakage to the minimum, and meanwhile, packing seal can guarantee that the corrugated pipe is not eroded by medium; the automatic centering of the valve core can greatly increase the seal level of the back-flushing quick-opening angle valve; the metal valve seat with buffer function can greatly prolong the service life of the valve, therefore, the valve rod can not leak during the high speed opening of the valve.
Description
Technical field
The utility model relates to valve, the fast angle of release valve of blowback after particularly the angle valve seal form is improved.
Background technique
Its outer seal structure of fast shut-off angle valve domestic and import is single Bellows seal type packing seal at present, its inner sealing adopts fixed not with the plane sealing (soft) of buffering, this angle valve in use, the single sealing insurance of bellows or filler degree is not high, in case leak and to cause more serious consequence, and its interior sealed valve core is fixed on the valve rod, valve seat adopts the plane sealing of nonmetallic material, the plane sealing sealability be cannot say for sure to demonstrate,prove, valve seat adopts the nonmetal buffering of not being with, and valve seat is not long working life.
Summary of the invention
The purpose of this utility model be at the shortcoming that exists in the background technique and problem in addition novelty improve, provide a kind of simple in structure, cost is low, adapts to various particular job environment, move ordinary, the fast angle of release valve of the blowback of long service life.
Technical solutions of the utility model are a kind of angle valves that comprise pneumatic actuator, valve rod, spool, valve seat and 90 ° of valve bodies etc. of structure, wherein:
Valve rod is the double sealing structure of band bellows and stem packing seal arrangement, and valve rod is connected with the execution axle of pneumatic actuator by universal joint, spool under universal joint and pneumatic actuator effect automatic capturing and with the concentric sealing that is close together of valve seat, valve seat and valve body joint have been provided with the butterfly spring of buffer function;
Described stem packing seal arrangement is arranged on valve rod and bellows weld below, comprises graphite annulus, graphite packing, graphite packing pressing plate and pressing plate clamping bolt.
Advantage of the present utility model and beneficial effect:
1, the utility model filler and bellows double seal make leak outside may drop to lowest limit, simultaneously, packing seal can guarantee that again bellows is not subjected to the erosion of medium.
2, the heart of looking for automatically of the utility model spool can strengthen its sealing grade greatly.
3, the metal seat valve of the utility model band buffering can prolong the working life of valve greatly, and the life-span can reach 150,000 times, make valve in the high speed opening process (≤0.3s), valve rod can not revealed, and uses the experiment operational excellence on the blowback line.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1, the utility model comprises pneumatic actuator 1, valve rod 21, spool 13, valve seat 14 and 90 ° of valve bodies 6 etc., wherein:
Valve rod 21 is the double sealing structure of band bellows 5 and stem packing seal arrangement, and valve rod 21 is connected with the execution axle 2 of pneumatic actuator 1 by universal joint 3, spool 13 under 1 effect of universal joint 3 and pneumatic actuator automatic capturing and with the valve seat 14 concentric sealings that are close together, valve seat 14 and valve body 6 joints have been provided with the butterfly spring 17 of buffer function;
Described stem packing seal arrangement is arranged on valve rod 21 and bellows 5 welds below, comprises graphite annulus 9, graphite packing 10, graphite packing pressing plate 11 and pressing plate clamping bolt 12.
Pneumatic actuator 1 described in the utility model is the heavy caliber piston type cylinder, and pneumatic actuator 1 drive valve rod 21 moves up and down and realizes opening or closing of angle valve.Described bellows 5 tops are provided with seal ring 4, and below and stem packing seal arrangement joint are provided with the cover 8 of obturaging.Described valve body 6 upper ends are provided with upper flange 19, and the bottom is provided with lower flange 7, and are provided with seal ring 20,18 between valve body 6 and the upper and lower flange 19,7.Described valve seat 14 is arranged in 90 ° of valve bodies 6, and is provided with valve base sealing 15 between valve seat 14 and the valve body 6.The lower end of described spool 13 is provided with the spool tightening nut 16 that connects valve rod 21.
Structural principle of the present utility model:
The utility model is by band bellows and gland sealed valve rod, 90 ° of valve bodies, piston type cylinder, 90 ° of angles that spool and valve seat are formed cut off angle valve, and the keying of its valve is a straight journey, and the sealing of valve rod is to adopt the sealing of the two-seater of bellows and filler, spherical valve core connects with universal joint and valve rod, valve body is imported and exported into 90 °, the cemented carbide that valve seat loads with belleville spring, and final controlling element adopts the piston type cylinder of big air inlet/outlet.
The utility model spool 13 is close to together with valve seat 14 under the pneumatic actuator effect, because the effect spool of universal joint 3 is looked for behind the heart automatically and sealing is guaranteed in the tight perfect adaptation of valve seat together, metal seat valve 14 is owing to there are belleville spring 17 buffer functions, the impact force that spool 13 and valve seat 14 are born reduces greatly, reduces the possibility of damaging.Valve rod 22 band bellowss 5, below valve rod 22 and bellows 5 welds, with the valve body junction point by one group of stem packing seal arrangement of forming by graphite annulus 9, graphite packing 10, graphite packing pressing plate 11 and pressing plate clamping bolt 12, this device guarantees that bellows is not subjected to the erosion of medium on the one hand, form dual fail-safe with bellows on the other hand, guarantee that valve does not leak.
The seal form of the utility model valve rod is the filled combination double sealing structure of bellows, the sealing configuration that spool that the universal joint of band automatic centering connects and the buffering cemented carbide valve seat that adopts belleville spring to load are formed; In conjunction with the fast shut-off angle valve of said structure, the universal joint spool that connects and the buffering valve seat that adopts belleville spring to load of the valve stem seal form of the filled combination of its described bellows and band automatic centering are formed inner seal structure.
Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineers and technicians make the technical solution of the utility model in related domain various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (6)
1. the fast angle of release valve of blowback is characterized in that comprising pneumatic actuator (1), valve rod (21), spool (13), valve seat (14) and 90 ° of valve bodies (6), wherein:
Valve rod (21) is the double sealing structure of band bellows (5) and stem packing seal arrangement, and valve rod (21) is connected with the execution axle (2) of pneumatic actuator (1) by universal joint (3), spool (13) the effect of universal joint (3) and pneumatic actuator (1) down automatic capturing and with the concentric sealing that is close together of valve seat (14), valve seat (14) and valve body (6) joint have been provided with the butterfly spring (17) of buffer function;
Described stem packing seal arrangement is arranged on valve rod (21) and bellows (5) weld below, comprises graphite annulus (9), graphite packing (10), graphite packing pressing plate (11) and pressing plate clamping bolt (12).
2. the fast angle of release valve of blowback according to claim 1 is characterized in that described pneumatic actuator (1) is a piston type cylinder, and pneumatic actuator (1) drive valve rod (21) moves up and down and realizes opening or closing of angle valve.
3. the fast angle of release valve of blowback according to claim 1 is characterized in that described bellows (5) top is provided with seal ring (4), and below and stem packing seal arrangement joint are provided with the cover (8) of obturaging.
4. the fast angle of release valve of blowback according to claim 1 is characterized in that described valve body (6) upper end is provided with upper flange (19), and the bottom is provided with lower flange (7), and is provided with seal ring (20,18) between valve body (6) and the upper and lower flange (19,7).
5. the fast angle of release valve of blowback according to claim 1 is characterized in that described valve seat (14) is arranged in 90 ° of valve bodies (6), and is provided with valve base sealing (15) between valve seat (14) and the valve body (6).
6. the fast angle of release valve of blowback according to claim 1 is characterized in that the lower end of described spool (13) is provided with the spool tightening nut (16) that connects valve rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202922400U CN201705962U (en) | 2010-08-16 | 2010-08-16 | Back-flushing quick-opening angle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202922400U CN201705962U (en) | 2010-08-16 | 2010-08-16 | Back-flushing quick-opening angle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201705962U true CN201705962U (en) | 2011-01-12 |
Family
ID=43443118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202922400U Expired - Fee Related CN201705962U (en) | 2010-08-16 | 2010-08-16 | Back-flushing quick-opening angle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201705962U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927303A (en) * | 2012-11-15 | 2013-02-13 | 无锡智能自控工程股份有限公司 | Adduction disc type pipeline angle valve capable of being adjusted to be opened and closed |
| CN105443767A (en) * | 2014-08-06 | 2016-03-30 | 湖北泰和石化设备有限公司 | Deep refrigeration regulating valve with piston pressure self-sealing and positioning functions |
| CN106423617A (en) * | 2016-12-01 | 2017-02-22 | 广州富森环保科技股份有限公司 | High-pressure cleaning overflow gun |
| CN110131421A (en) * | 2019-04-25 | 2019-08-16 | 北京威伏真空技术有限公司 | A kind of two sections of transmission valves of external driving |
-
2010
- 2010-08-16 CN CN2010202922400U patent/CN201705962U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927303A (en) * | 2012-11-15 | 2013-02-13 | 无锡智能自控工程股份有限公司 | Adduction disc type pipeline angle valve capable of being adjusted to be opened and closed |
| CN102927303B (en) * | 2012-11-15 | 2014-09-17 | 无锡智能自控工程股份有限公司 | Adduction disc type pipeline angle valve capable of being adjusted to be opened and closed |
| CN105443767A (en) * | 2014-08-06 | 2016-03-30 | 湖北泰和石化设备有限公司 | Deep refrigeration regulating valve with piston pressure self-sealing and positioning functions |
| CN105443767B (en) * | 2014-08-06 | 2018-10-09 | 湖北泰和石化设备有限公司 | A kind of deep cooling regulating valve with piston pressure self sealss and positioning |
| CN106423617A (en) * | 2016-12-01 | 2017-02-22 | 广州富森环保科技股份有限公司 | High-pressure cleaning overflow gun |
| CN110131421A (en) * | 2019-04-25 | 2019-08-16 | 北京威伏真空技术有限公司 | A kind of two sections of transmission valves of external driving |
| CN110131421B (en) * | 2019-04-25 | 2021-05-18 | 张迎春 | External driving type two-section transmission valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yueyang Dongfang Automatic Control Engineering Equipment Co., Ltd. Assignor: Wu Jun Contract record no.: 2011430000212 Denomination of utility model: Back-flushing quick-opening angle valve Granted publication date: 20110112 License type: Exclusive License Record date: 20111008 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20130816 |