CN203230863U - Anti-impact stop valve sealing structure - Google Patents
Anti-impact stop valve sealing structure Download PDFInfo
- Publication number
- CN203230863U CN203230863U CN 201320183239 CN201320183239U CN203230863U CN 203230863 U CN203230863 U CN 203230863U CN 201320183239 CN201320183239 CN 201320183239 CN 201320183239 U CN201320183239 U CN 201320183239U CN 203230863 U CN203230863 U CN 203230863U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- stop valve
- wear
- sealing
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 230000035939 shock Effects 0.000 claims description 7
- 238000007373 indentation Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Fluid-Driven Valves (AREA)
- Details Of Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses an anti-impact stop valve sealing structure. A valve disk is mounted on a valve seat, a sealing surface is formed by contact surfaces of the valve disk and the valve seat, a concave hole is formed in the valve disk, a wear-resistant gasket is mounted at the bottom of the concave hole, a buffer cover is mounted on the wear-resistant gasket, a spring is sleeved at the top of the buffer cover and closely contacts with an inner hole retracted at the bottom of a valve rod, and a boss is arranged at the end of the valve rod and pressed after a locking nut and the valve disk are connected and locked. The anti-impact stop valve sealing structure has the advantages that the problem of deformation or damage of the valve sealing surface due to impact of rapid axial force can be effectively solved, the service life of a stop valve sealing pair is prolonged, and the sealing performance is excellent.
Description
Technical field
The utility model relates to valve technology field, and particularly a kind of sealing configuration of protecting against shock stop valve mainly uses industries such as petrochemical industry, Coal Chemical Industry, the stop valve of working condition requirement high frequency, snap switch.
Background technique
Along with petrochemical industry, coal chemical engineering equipment constantly to high parameter
,Maximization, integrated development need to use the stop valve that a large amount of fast shut-off are pneumatic or surge on the device, require very fast the switching time of fast shut-off stop valve; Fig. 1 is the sealing configuration of traditional stop valve, uses in the slow situation lower sealing surface of switching speed and can not cause stop valve seal failure problem because the axial force impact causes sealing surface distortion or damage; But traditional stop valve sealing configuration uses under the situation of snap switch, and valve sealing face is subjected to axial force easily and impacts fast, causes that sealing surface distortion or damage cause the stop valve seal failure, and working life is short.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of simple in structure, can significantly improve the valve seal structure that the protecting against shock of sealing surface impact resistance ends.
The utility model provides a kind of sealing configuration of protecting against shock stop valve, comprise valve seat, flap, wear-resistant gasket, buffer cover, locking nut, spring, valve rod, flap is contained on the valve seat, the surface of contact of flap and valve seat forms sealing surface, be provided with a shrinkage pool in the flap, a wear-resistant gasket is equipped with in the shrinkage pool bottom, adorn a buffer cover on the wear-resistant gasket, the buffering caping overlaps a spring, one spring closely contacts with the endoporus of stem bottom indentation, the end of valve rod is provided with boss, and locking nut is pushed down valve rod end boss be connected locking with flap after.
Described flap sealing surface and sealing surface of seat are coated with the corrosion and wear resistant alloy layer.
Moving up and down fast of valve rod of the present utility model is that ouput force by craspedodrome cylinder or oil hydraulic cylinder output shaft promotes.
The beneficial effects of the utility model:
1) valve rod and flap adopt the spring bushing pre-pressing structure, the self character that has the power of holding and release force because of spring, allow flap with the valve seat direct collision buffer function be arranged faster closing under the situation, can effectively solve the impact that valve sealing face is subjected to axial force and cause sealing surface distortion or the problem of damaging, prolong the working life of stop valve sealing pair;
2) valve rod is connected employing spring chuck pre-pressing structure with flap, and in the closed procedure of the pass of valve, the seal pressure between valve seat and flap can increase sharply, thereby guarantees that sealing pair forms reliable seal pressure, guarantees sealability.
Description of drawings
Fig. 1 is traditional stop valve sealed structural representation;
Fig. 2 is structural representation of the present utility model;
The number in the figure explanation
The 1-valve seat; The 2-flap;
The 3-wear-resistant gasket; The 4-buffer cover;
The 5-locking nut; The 6-spring;
The 7-valve rod; The 101-sealing surface;
Shrinkage pool in the 102-flap; The 103-boss;
The endoporus of 104-stem bottom indentation.
Embodiment
See also shown in the accompanying drawing, the utility model will be further described.
As shown in Figure 2, the utility model provides a kind of sealing configuration of protecting against shock stop valve, comprise valve seat 1, flap 2, wear-resistant gasket 3, buffer cover 4, locking nut 5, spring 6, valve rod 7, flap 2 is contained on the valve seat 1, the surface of contact of flap 2 and valve seat 1 forms sealing surface 101, be provided with a shrinkage pool 102 in the flap 2, a wear-resistant gasket 3 is equipped with in shrinkage pool 102 bottoms, adorn a buffer cover 4 on the wear-resistant gasket 3, buffer cover 4 top cover one springs 6, one spring 6 closely contacts with the endoporus 104 of valve rod 7 bottom indentations, and the end of valve rod 7 is provided with boss 103, and locking nut 5 is pushed down valve rod end boss 103 be connected locking with flap 2 after.
Described flap sealing surface 101 and sealing surface of seat are coated with the corrosion and wear resistant alloy layer.
The snap switch type stop valve of anti-impact dense seal structure promotes valve rod work straight line motion up and down by the ouput force of craspedodrome cylinder or oil hydraulic cylinder output shaft, because the switching speed of craspedodrome cylinder or oil hydraulic cylinder is very fast, the ouput force of output shaft directly promotes valve rod 7 straight motion downwards fast, valve rod 7 passes to spring 6 and buffer cover 4 to the power of quick closedown, valve rod 7 adopts the spring bushing pre-pressing structure with flap 2, the self character that has the power of holding and release force because of spring 6, allow flap 2 with valve seat 1 direct collision buffer function be arranged faster closing under the situation, can effectively solve the impact that valve sealing face 101 is subjected to axial force and cause sealing surface distortion or the problem of damaging, prolong the working life of stop valve sealing pair.Valve rod 7 is connected employing spring chuck pre-pressing structure with flap 2, in the closed procedure of the pass of valve, the seal pressure that valve seat 1 and flap are 2 can increase sharply, thereby guarantees that sealing pair forms reliable seal pressure, guarantees sealability.
Claims (2)
1. the sealing configuration of a protecting against shock stop valve, it is characterized in that: flap is contained on the valve seat, the surface of contact of flap and valve seat forms sealing surface, be provided with a shrinkage pool in the flap, a wear-resistant gasket is equipped with in the shrinkage pool bottom, adorns a buffer cover on the wear-resistant gasket, the buffering caping overlaps a spring, one spring closely contacts with the endoporus of stem bottom indentation, and the end of valve rod is provided with boss, and locking nut is pushed down valve rod end boss be connected locking with flap after.
2. the sealing configuration of a kind of protecting against shock stop valve according to claim 1, it is characterized in that: described flap sealing surface and sealing surface of seat are coated with the corrosion and wear resistant alloy layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320183239 CN203230863U (en) | 2013-04-12 | 2013-04-12 | Anti-impact stop valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320183239 CN203230863U (en) | 2013-04-12 | 2013-04-12 | Anti-impact stop valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230863U true CN203230863U (en) | 2013-10-09 |
Family
ID=49286990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320183239 Expired - Fee Related CN203230863U (en) | 2013-04-12 | 2013-04-12 | Anti-impact stop valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230863U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206547A (en) * | 2013-04-12 | 2013-07-17 | 上海开维喜阀门集团有限公司 | Anti-impact stop valve sealing structure |
| CN103899767A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Pressure self-sealing stop valve |
| CN103899768A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Pressure self-sealing stop valve |
| CN106337940A (en) * | 2016-11-03 | 2017-01-18 | 宣达实业集团有限公司 | High-performance angle type stop valve |
-
2013
- 2013-04-12 CN CN 201320183239 patent/CN203230863U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206547A (en) * | 2013-04-12 | 2013-07-17 | 上海开维喜阀门集团有限公司 | Anti-impact stop valve sealing structure |
| CN103899767A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Pressure self-sealing stop valve |
| CN103899768A (en) * | 2014-03-05 | 2014-07-02 | 大丰市奥凯流体机械有限公司 | Pressure self-sealing stop valve |
| CN106337940A (en) * | 2016-11-03 | 2017-01-18 | 宣达实业集团有限公司 | High-performance angle type stop valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203230863U (en) | Anti-impact stop valve sealing structure | |
| CN103775431A (en) | Hydraulic cylinder capable of being locked at any position by using elastic sleeve | |
| CN103206547A (en) | Anti-impact stop valve sealing structure | |
| CN205026139U (en) | Ball valve seating dustproof construction | |
| CN204677838U (en) | Ultrahigh pressure direct-acting type transient equilibrium valve | |
| CN203614823U (en) | Ceramic seal rotary-opening and slowly-closing type check valve | |
| CN202432032U (en) | Swing check valve | |
| CN201651394U (en) | Wear-resistant pneumatic ash-discharge ball valve | |
| CN201802909U (en) | Hard sealing ball valve with high temperature and high pressure | |
| CN204213413U (en) | A kind of spring is slow opens quick-closure check valve | |
| CN201627962U (en) | Metal sealing ball valve | |
| CN201100444Y (en) | Ball valve with metal hard sealing body valve base | |
| CN203641546U (en) | Hydraulic drive flat valve | |
| CN202371240U (en) | Soft seal safety valve | |
| CN201944329U (en) | Floating ball valve with large diameter | |
| CN206338432U (en) | A kind of dual-seal flat gate valve | |
| CN104006163A (en) | Corrosion-resisting quickly-closed stop valve | |
| CN203082225U (en) | Corrosion-resistant quick closing stop valve | |
| CN202144880U (en) | Floating ball valve | |
| CN205190801U (en) | Seal structure of stop valve | |
| CN204691730U (en) | Recoverable safety valve sent into by a kind of oil pipe | |
| CN203784388U (en) | Release valve | |
| CN204083345U (en) | A kind of low torque soft sealing stopcock | |
| CN201386807Y (en) | Gate valve for lithification | |
| CN203421198U (en) | Gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 199 Patentee after: SHK VALVE GROUP Co.,Ltd. Address before: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 199 Patentee before: SHK Valve Group Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170426 Address after: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 138 building 4 Patentee after: SHK VALVE GROUP CO.,LTD. Address before: 201416 Shanghai city Fengxian District Zhelin Town Village Road No. 199 Patentee before: SHK VALVE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181012 Address after: 201416 199 North Village Road, Zhelin Town, Fengxian District, Shanghai Patentee after: SHK VALVE GROUP Co.,Ltd. Address before: 201416 4 4 North Village Road, Zhelin Town, Fengxian District, Shanghai Patentee before: SHK VALVE GROUP CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190821 Granted publication date: 20131009 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220821 Granted publication date: 20131009 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220821 Granted publication date: 20131009 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230412 Granted publication date: 20131009 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |