CN205101653U - High temperature resistant quick closing valve formula stop valve - Google Patents
High temperature resistant quick closing valve formula stop valve Download PDFInfo
- Publication number
- CN205101653U CN205101653U CN201520858457.6U CN201520858457U CN205101653U CN 205101653 U CN205101653 U CN 205101653U CN 201520858457 U CN201520858457 U CN 201520858457U CN 205101653 U CN205101653 U CN 205101653U
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- China
- Prior art keywords
- valve
- cylinder block
- open slot
- piston rod
- piston
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- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
- Check Valves (AREA)
Abstract
The utility model discloses a high temperature resistant quick closing valve formula stop valve, including valve body, valve gap, valve clack, valve rod, disk seat, spacing dish, hand wheel, operating device, operating device includes cylinder block, piston rod, piston, cylinder block end piece, handle, be equipped with radial pin outward on the piston rod that stretches out, cylinder block end piece is equipped with outer boss with piston rod cooperation department, and the evagination bench is equipped with the open slot, the open slot is equipped with the axial open slot, and the open slot is the L shape open slot of axial open slot and circumference open slot constitution, and radial pin constitutes the axial positioning structure with the axial open slot, and radial pin falls into the open slot and locks the structure to open slot, constitution, piston rod shaft part suit compression spring II between piston and cylinder block end piece constitutes elasticity canceling release mechanical system, the further improvement lies in: sealed face is spherical sealed face between valve clack, the disk seat, is equipped with the antifriction metal (AFM) layer on the sealed face respectively. The utility model discloses can be in the open mode steadily according to work needed, it is high temperature resistant, high pressure resistant, wear -resisting, long service life shocks resistance.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of quick closing valve stop valve.
Background technique
Under normal circumstances, the pipe network of industrial and mining enterprise is by technical flow design, although each pipe network structure or layout difference, all must configure valve as medium control unit, quick closing valve stop valve is that pipe network often joins one of kind.Quick closing valve stop valve is a kind of valve kind headed straight for or directly close, it have close quick, open the features such as convenient, meet usage requirement under given conditions.The quick closing valve stop valve of prior art is configured to the quick closing valve stop valve adopting air cylinder driven, by air cylinder driven piston rod, realize opening or closing fast of quick closing valve stop valve, occur abnormal for preventing run out of steam source or cylinder medium power medium of quick closing valve stop valve, piston rod cannot normally stretch, quick closing valve stop valve cannot normally work, the quick closing valve stop valve of prior art adds manual-operated emergent device on cylinder: the piston rod stretched out outward is provided with radial bearing pin, cylinder block end cap and piston rod cooperation place are provided with outer lug boss, outer lug boss is provided with opening slot, opening slot is provided with shaft orientation opening groove, axial positioning structure is formed with radial bearing pin, manual-operated emergent is realized by axial positioning structure, but the defect of the quick closing valve stop valve of prior art is: when needs are in open mode for a long time, if there is misoperation in pneumatic system, piston rod is retracted, then open mode cannot be in, that is, stably open mode cannot be according to need of work.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of high temperature resistant Quick-closing check valve that stably can be in open mode according to need of work.
The utility model is achieved through the following technical solutions technical goal.
High temperature resistant Quick-closing check valve, comprises valve body, valve gap, flap, valve rod, valve seat, position-arresting disk, handwheel, operating device; Described valve seat is arranged on flap bottom, and be fixedly connected in valve body central cavity, flap, valve seat are provided with the sealing surface that can be sealed and matched; Described position-arresting disk is arranged in valve gap cavity, is fixedly connected on valve rod; Described operating device comprises cylinder block, piston rod, piston, cylinder block end cap, handle; Described cylinder block horizontal, one end is fixedly connected on valve gap side, and the other end is tightly connected cylinder block end cap; Described piston rod horizontal, tight by nut and piston, one end that cylinder block is connected with valve gap is run through in one end, and can stretch in valve gap cavity, it is overhanging that the other end runs through cylinder block end cap, and overhanging end is provided with handle; The piston rod stretched out outward is provided with radial bearing pin; Described cylinder block end cap and piston rod cooperation place are provided with outer lug boss, and outer lug boss is provided with opening slot; Described opening slot is provided with shaft orientation opening groove, forms axial positioning structure with radial bearing pin; Piston rod shaft part between piston and cylinder block end cap is set with Compress Spring II and forms flexible restoring organ; Its improvements are: described cylinder block end cap outer lug boss upper shed groove is the L shape opening slot that shaft orientation opening groove and circumferential openings groove form, and radial bearing pin falls into opening slot circumferential openings groove, form locking structure.
In said structure, between described flap, valve seat, sealing surface is spherical seal surface.
In said structure, described flap, sealing surface of seat are respectively equipped with antifriction metal (AFM) layer.
In said structure, described antifriction metal (AFM) layer is stainless steel weld overlays.
The utility model compared with prior art, has following good effect:
1, cylinder block end cap outer lug boss upper shed groove is the L shape opening slot that shaft orientation opening groove and circumferential openings groove form, and radial bearing pin falls into opening slot circumferential openings groove, forms locking structure.Like this, the utility model needs stably to be in open mode, as long as bearing pin radial on piston rod is proceeded in cylinder block end cap outer lug boss upper shed groove circumferential openings groove, at this moment, even if there is misoperation in pneumatic system, also cannot mobile piston bar, thus the utility model can be made stably to be in open mode.
2, be provided with Compress Spring II between piston, valve gap in operating device, form flexible restoring organ, piston rod self-resetting can be made.
3, between flap, valve seat, sealing surface is spherical seal surface, can significantly increase the reliability sealed between flap, valve seat, make the utility model high pressure resistant.
4, flap, sealing surface of seat are respectively equipped with antifriction metal (AFM) layer, significantly improve flap, the wear-resisting property of sealing surface of seat, shock resistance, make the utility model high temperature resistant simultaneously, significant prolongation the utility model working life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
Below with reference to the accompanying drawings and the utility model is described in further detail in conjunction with the embodiments.
High temperature resistant Quick-closing check valve shown in the drawings, comprises valve body 1, valve gap 2, flap 3, valve rod 4, valve seat 7, position-arresting disk 9, handwheel 10, operating device 5; Valve seat 7 is arranged on flap 3 bottom, and be fixedly connected in valve body 1 central cavity 1.1, flap 3, valve seat 7 are provided with the sealing surface that can be sealed and matched; Position-arresting disk 9 is arranged in valve gap 2 cavity 2.1, is fixedly connected on valve rod 4; Operating device 5 comprises cylinder block 5.1, piston rod 5.2, piston 5.3, cylinder block end cap 5.4, handle 5.6; Cylinder block 5.1 horizontal, one end is fixedly connected on valve gap 2 side, and the other end is tightly connected cylinder block end cap 5.4; Piston rod 5.2 horizontal, tight by nut and piston 5.3, one end that cylinder block 5.1 is connected with valve gap 2 is run through in one end, and can stretch in valve gap 2 cavity 2.1, it is overhanging that the other end runs through cylinder block end cap 5.4, and overhanging end is provided with handle 5.6; The piston rod 5.2 stretched out outward is provided with radial bearing pin 5.7; Cylinder block end cap 5.4 and piston rod 5.2 cooperation place are provided with outer lug boss, outer lug boss is provided with opening slot 5.8, opening slot 5.8 is the L shape opening slot that shaft orientation opening groove and circumferential openings groove form, radial bearing pin 5.7 forms axial positioning structure with shaft orientation opening groove, radial bearing pin 5.7 falls into opening slot 5.8 circumferential openings groove, forms locking structure; Piston rod 5.2 shaft part between piston 5.3 and cylinder block end cap 5.4 is set with Compress Spring II 5.5 and forms flexible restoring organ.
Between flap 3, valve seat 7, sealing surface is spherical seal surface, sealing surface is respectively equipped with antifriction metal (AFM) layer, and antifriction metal (AFM) layer is stainless steel weld overlays.
Claims (4)
1. a high temperature resistant Quick-closing check valve, comprises valve body (1), valve gap (2), flap (3), valve rod (4), valve seat (7), position-arresting disk (9), handwheel (10), operating device (5); Described valve seat (7) is arranged on flap (3) bottom, is fixedly connected in valve body (1) central cavity (1.1), and flap (3), valve seat (7) are provided with the sealing surface that can be sealed and matched; Described position-arresting disk (9) is arranged in valve gap (2) cavity (2.1), is fixedly connected on valve rod (4); Described operating device (5) comprises cylinder block (5.1), piston rod (5.2), piston (5.3), cylinder block end cap (5.4), handle (5.6); Described cylinder block (5.1) horizontal, one end is fixedly connected on valve gap (2) side, and the other end is tightly connected cylinder block end cap (5.4); Described piston rod (5.2) horizontal, tight by nut and piston (5.3), one end that cylinder block (5.1) is connected with valve gap (2) is run through in one end, can stretch in valve gap (2) cavity (2.1), it is overhanging that the other end runs through cylinder block end cap (5.4), and overhanging end is provided with handle (5.6); The piston rod (5.2) stretched out outward is provided with radial bearing pin (5.7); Described cylinder block end cap (5.4) and piston rod (5.2) cooperation place are provided with outer lug boss, and outer lug boss is provided with opening slot (5.8); Described opening slot (5.8) is provided with shaft orientation opening groove, forms axial positioning structure with radial bearing pin (5.7); Piston rod (5.2) shaft part between piston (5.3) and cylinder block end cap (5.4) is set with Compress Spring II (5.5) and forms flexible restoring organ; It is characterized in that: the L shape opening slot that described cylinder block end cap (5.4) outer lug boss upper shed groove (5.8) forms for shaft orientation opening groove and circumferential openings groove, radial bearing pin (5.7) falls into opening slot (5.8) circumferential openings groove, forms locking structure.
2. high temperature resistant Quick-closing check valve according to claim 1, is characterized in that: between described flap (3), valve seat (7), sealing surface is spherical seal surface.
3. high temperature resistant Quick-closing check valve according to claim 2, is characterized in that: described flap (3), valve seat (7) sealing surface are respectively equipped with antifriction metal (AFM) layer.
4. high temperature resistant Quick-closing check valve according to claim 3, is characterized in that: described antifriction metal (AFM) layer is stainless steel weld overlays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858457.6U CN205101653U (en) | 2015-11-02 | 2015-11-02 | High temperature resistant quick closing valve formula stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858457.6U CN205101653U (en) | 2015-11-02 | 2015-11-02 | High temperature resistant quick closing valve formula stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101653U true CN205101653U (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858457.6U Expired - Fee Related CN205101653U (en) | 2015-11-02 | 2015-11-02 | High temperature resistant quick closing valve formula stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101653U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352102A (en) * | 2016-10-24 | 2017-01-25 | 周末 | Valve for engineering |
| CN106641418A (en) * | 2015-11-02 | 2017-05-10 | 江苏中昊船用阀门制造有限公司 | High-temperature-resistant rapid switching-off type stop valve |
| CN109404582A (en) * | 2018-10-11 | 2019-03-01 | 曾玉杰 | A kind of fire water pressure circuit control valve of skyscraper and its indoor fire-fighting device of composition |
| CN112431948A (en) * | 2020-12-04 | 2021-03-02 | 程志 | Emergent pressure release subassembly of fluid valve |
-
2015
- 2015-11-02 CN CN201520858457.6U patent/CN205101653U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641418A (en) * | 2015-11-02 | 2017-05-10 | 江苏中昊船用阀门制造有限公司 | High-temperature-resistant rapid switching-off type stop valve |
| CN106352102A (en) * | 2016-10-24 | 2017-01-25 | 周末 | Valve for engineering |
| CN109404582A (en) * | 2018-10-11 | 2019-03-01 | 曾玉杰 | A kind of fire water pressure circuit control valve of skyscraper and its indoor fire-fighting device of composition |
| CN112431948A (en) * | 2020-12-04 | 2021-03-02 | 程志 | Emergent pressure release subassembly of fluid 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20181102 |