CN203868364U - Axial-flow type opening and closing valve - Google Patents
Axial-flow type opening and closing valve Download PDFInfo
- Publication number
- CN203868364U CN203868364U CN201420264234.2U CN201420264234U CN203868364U CN 203868364 U CN203868364 U CN 203868364U CN 201420264234 U CN201420264234 U CN 201420264234U CN 203868364 U CN203868364 U CN 203868364U
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- China
- Prior art keywords
- piston
- valve
- flange connecting
- connecting sleeve
- actuator
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses an axial-flow type opening and closing valve, and belongs to the technical field of valves. The axial-flow type opening and closing valve comprises a first flange connecting sleeve, a piston cylinder of an actuator and a second flange connecting sleeve, wherein the first flange connecting sleeve, the piston cylinder of the actuator and the second flange connecting sleeve are connected with each other, a piston type driving mechanism is arranged in the piston cylinder of the actuator, the piston type driving mechanism comprises a valve element of a cylindrical structure and a piston arranged outside the valve element in a sleeved mode, the piston is in elastic fit with a spring cushion arranged in the piston cylinder of the actuator, one end of the valve element is in sealing fit with the first flange connecting sleeve, and the other end of the valve element is matched with a valve seat arranged in the second flange connecting sleeve. According to the axial-flow type opening and closing valve, the actuator, the piston, the valve element, the valve seat and the flange connecting sleeves are combined coaxially, the valve structural design concept that originally, the actuator can only be designed outside a valve body is broken through, and the defects that an original piston type actuator is large in friction force, low in response speed, low in adjusting precision and large in leakage amount are overcome.
Description
Technical field
The utility model belongs to valve technology field, is specifically related to a kind of axial flow and opens and closes valve.
Background technique
In prior art, the actuator of valve all designs outside valve body, huge structure; Design need to be considered minimum operationg pressure differential, and valve can only be served as the one-way flow of high in and low out or low in and high out, and having, the sealing surface of valve in particle or dirtier medium is very easy impaired, the valve invalidation that is; The switching speed of conventional valve can not get rapid response all the time because of the structural relation of valve.Therefore existing valvular shortcoming is: such valve can only, at the cleaner vapour-liquid state of medium, need to provide the Minimum differntial pressure of valve, can only serve as the less demanding operating mode occasion of one-way flow reaction velocity and use; Can, because cannot install, cause field modification pipeline in the less occasion of installing space especially.
Model utility content
The problem existing for prior art, the purpose of this utility model is that design provides a kind of axial flow to open and close the technological scheme of valve.
Described a kind of axial flow opens and closes valve, it is characterized in that comprising interconnective the first flange connecting sleeve, actuator's piston cylinder and the second flange connecting sleeve, in described actuator's piston cylinder, piston type driving mechanism is set, described piston type driving mechanism comprises that the spool and the socket that are cylindrical structure are arranged on the piston outside spool, described piston be arranged on the spring pad resilient engagement in actuator's piston cylinder, described spool one end and the first flange connecting sleeve are sealed and matched, and the described spool the other end coordinates with the valve seat arranging in the second flange connecting sleeve.
Described a kind of axial flow opens and closes valve, it is characterized in that the first described flange connecting sleeve, the second flange connecting sleeve all fix by the double-screw bolt that arranges and nut and actuator's piston cylinder.
Described a kind of axial flow opens and closes valve, it is characterized in that being provided with sealing seat and sealing gasket in the first described flange connecting sleeve, between described sealing seat and spool, is equipped with guide sleeve, is equipped with an O type circle between described sealing gasket and spool.
Described a kind of axial flow opens and closes valve, it is characterized in that being equipped with sealing gland between the first described flange connecting sleeve and spring pad.
Described a kind of axial flow opens and closes valve, it is characterized in that arranging and can connecing the back-up ring coordinating with spring pad gear on described spool.
Described a kind of axial flow opens and closes valve, it is characterized in that coordinating by the spring arranging between described piston and spring pad.
Described a kind of axial flow opens and closes valve, it is characterized in that being equipped with piston seal between described piston and actuator's piston cylinder.
Described a kind of axial flow opens and closes valve, it is characterized in that described valve seat is made up of the pressing plate of fixing by screw, the 2nd O type circle and base, between described pressing plate and the 2nd O type circle, be equipped with valve base seal, between the 2nd described O type circle and base, be equipped with pad.
Above-mentioned a kind of axial flow opens and closes valve, simple in structure, reasonable in design, the utility model adopts actuator, piston, spool, valve seat, flange connecting sleeve by the mode of coaxial combination, break actuator in the past and can only design the idea that the valve mechanism beyond valve body designs, substitute that the large reaction velocity of piston actuator frictional force was slow in the past, the drawback that degree of regulation is low, leakage rate is large; The utility model is by piston and spool integral type, and the opening and closing of the direct control valve of coaxial piston formula driving mechanism improve the stability of valve operation, improve valve switch reaction velocity (≤1s), improve the pilot pressure of valve, meet operating mode required.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of valve seat in the utility model;
Fig. 3 is the structural representation of piston type driving mechanism in the utility model.
In figure: the left flange connecting sleeve of 1a-; The right flange connecting sleeve of 1b-; 2-double-screw bolt; 3-nut; 4-guide sleeve; 5-sealing seat; 6-the one O type circle; 7-sealing gasket; 8-sealing gland; 9-spring pad; 10-back-up ring; 11-spring; 12-piston seal; 13-piston type driving mechanism; 14-actuator piston cylinder; 15-valve seat; 16-screw; 17-pressing plate; 18-valve base seal; 19-pad; 20-the 2nd O type circle; 21-base; 22-spool; 23-piston.
Embodiment
Further illustrate the utility model below in conjunction with Figure of description.
As shown in the figure, a kind of axial flow opens and closes valve and comprises actuator's piston cylinder 14, left flange connecting sleeve 1a and right flange connecting sleeve 1b, and three is fixing with nut 3 by double-screw bolt 2, combines with coaxial structure.
Piston type driving mechanism 13 is set in actuator's piston cylinder 14, and piston type driving mechanism 13 comprises that the spool 22 and the socket that are cylindrical structure are arranged on the piston 23 outside spool 22, spool 22 and piston 23 structure that is formed in one.Wherein, piston 23 passes through with the spring pad 9 being arranged in actuator's piston cylinder 14 spring 11 resilient engagement that arrange, and spring 11 is controlled the initial position of spool 22; Between piston 23 and actuator's piston cylinder 14, be equipped with piston seal 12, ensure sealing; Spool 22 one end and the first flange connecting sleeve 1a are sealed and matched, and the other end coordinates with the valve seat 15 arranging in the second flange connecting sleeve 1b; On spool 22, also arrange and can connect the back-up ring 10 coordinating with spring pad 9 gears, play position-limiting action.Valve seat 15, by consisting of the fixing pressing plate 17 of screw 16, the 2nd O type circle 20 and base 21, is equipped with between its center platen 17 and the 2nd O type circle 20 between valve base seal 18, the two O type circles 20 and base 21 and is equipped with pad 19.
Spool 22 one end and the first flange connecting sleeve 1a are sealed and matched and specifically realize by following structure: in the first flange connecting sleeve 1a, be provided with sealing seat 5 and sealing gasket 7, between sealing seat 5 and spool 22, be equipped with guide sleeve 4, between sealing gasket 7 and spool 22, be equipped with an O type circle 6.In addition, between the first flange connecting sleeve 1a and spring pad 9, be also equipped with sealing gland 8.
When cylinder body A end interface accesses source of the gas by external accessory, piston 23 Compress Springs 11, spool 22 is opened rapidly with valve seat 15 sealing surfaces; When external air source is switched to cylinder body B end interface bleed pressure by annex and spring 11 pretightening forces move rapidly piston 23, spool 22 is closed to valve seat 15 sealing surfaces.Piston 23 entirety are done straight reciprocating motion like this.
Shown in the above and figure is only preferred implementation of the present utility model.It should be pointed out that for the person of ordinary skill of the art, not departing under the prerequisite of the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. an axial flow opens and closes valve, it is characterized in that comprising interconnective the first flange connecting sleeve (1a), actuator's piston cylinder (14) and the second flange connecting sleeve (1b), in described actuator's piston cylinder (14), piston type driving mechanism (13) is set, described piston type driving mechanism (13) comprises that the spool (22) and the socket that are cylindrical structure are arranged on the outer piston (23) of spool (22), described piston (23) be arranged on spring pad (9) resilient engagement in actuator's piston cylinder (14), described spool (22) one end and the first flange connecting sleeve (1a) are sealed and matched, described spool (22) the other end coordinates with the valve seat (15) arranging in the second flange connecting sleeve (1b).
2. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that the first described flange connecting sleeve (1a), the second flange connecting sleeve (1b) are all fixing with actuator's piston cylinder (14) by the double-screw bolt (2) and the nut (3) that arrange.
3. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that being provided with sealing seat (5) and sealing gasket (7) in the first described flange connecting sleeve (1a), between described sealing seat (5) and spool (22), be equipped with guide sleeve (4), between described sealing gasket (7) and spool (22), be equipped with an O type circle (6).
4. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that being equipped with sealing gland (8) between the first described flange connecting sleeve (1a) and spring pad (9).
5. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that the upper setting of described spool (22) can connect the back-up ring (10) coordinating with spring pad (9) gear.
6. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that between described piston (23) and spring pad (9) by spring (11) resilient engagement arranging.
7. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that being equipped with piston seal (12) between described piston (23) and actuator's piston cylinder (14).
8. a kind of axial flow as claimed in claim 1 opens and closes valve, it is characterized in that described valve seat (15) is by consisting of the fixing pressing plate (17) of screw (16), the 2nd O type circle (20) and base (21), between described pressing plate (17) and the 2nd O type circle (20), be equipped with valve base seal (18), between the 2nd described O type circle (20) and base (21), be equipped with pad (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264234.2U CN203868364U (en) | 2014-05-22 | 2014-05-22 | Axial-flow type opening and closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420264234.2U CN203868364U (en) | 2014-05-22 | 2014-05-22 | Axial-flow type opening and closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868364U true CN203868364U (en) | 2014-10-08 |
Family
ID=51649319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420264234.2U Expired - Fee Related CN203868364U (en) | 2014-05-22 | 2014-05-22 | Axial-flow type opening and closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868364U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968092A (en) * | 2014-05-22 | 2014-08-06 | 杭州良工阀门有限公司 | Axial-flow-type switch valve |
| CN110529614A (en) * | 2019-09-29 | 2019-12-03 | 鞍山电磁阀有限责任公司 | Axial flow magnetic valve |
| CN116792511A (en) * | 2023-08-23 | 2023-09-22 | 四川新途流体控制技术有限公司 | Compact axial-flow type pneumatic valve for high-pressure gas |
-
2014
- 2014-05-22 CN CN201420264234.2U patent/CN203868364U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968092A (en) * | 2014-05-22 | 2014-08-06 | 杭州良工阀门有限公司 | Axial-flow-type switch valve |
| CN110529614A (en) * | 2019-09-29 | 2019-12-03 | 鞍山电磁阀有限责任公司 | Axial flow magnetic valve |
| CN116792511A (en) * | 2023-08-23 | 2023-09-22 | 四川新途流体控制技术有限公司 | Compact axial-flow type pneumatic valve for high-pressure gas |
| CN116792511B (en) * | 2023-08-23 | 2023-10-24 | 四川新途流体控制技术有限公司 | Compact axial-flow type pneumatic valve for high-pressure gas |
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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: 20141008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |