CN203641574U - High-pressure stop valve - Google Patents
High-pressure stop valve Download PDFInfo
- Publication number
- CN203641574U CN203641574U CN201420008236.5U CN201420008236U CN203641574U CN 203641574 U CN203641574 U CN 203641574U CN 201420008236 U CN201420008236 U CN 201420008236U CN 203641574 U CN203641574 U CN 203641574U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- pressure relief
- valve body
- indent
- 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
- 238000012856 packing Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model relates to the field of pipeline valves, in particular to a high-pressure stop valve. The high-pressure stop valve comprises a valve body and a valve rod, one side of the valve body is sequentially provided with an air inlet hole, a discharge hole and a pressure relief hole from top to bottom, the valve rod is penetratingly arranged in the valve body, the outer edge of the valve rod is provided with a pressure input groove and a pressure relief groove, the pressure input groove corresponds to the air inlet hole and the discharge hole, and the pressure relief groove corresponds to the discharge hole and the pressure relief hole. The high-pressure stop valve is reasonable in structure, the valve body and the valve rod are in close fit, air grooves on the valve rod are connected with corresponding passages, conversion control causes no affection on the internal pressure of the valve body, and flexibility of the valve used in the high-pressure environment is improved; air passages can be simply and quickly switched by rotating the valve rod, a pressure relief loop can be directly opened when an air input loop is disconnected, and misoperation of the system can be effectively avoided.
Description
Technical field
The utility model relates to pipeline valve art field, particularly a kind of high-pressure stop valve.
Background technique
Switch stop valve is the industry equipment that is applied to fluid control, be used in the flow parameter of adjusting fluid in industrial control system, for controlling fluid cut-out or open-minded, and control uninterrupted or the valve type base components opening circuit of damming, by coordinating other valve members to be used in combination, there is the multiple use pattern such as switch and changes in flow rate.Switch Decompression valves is mainly used in the control of blocking of pipeline, and to the pressure in output pipeline and then instant-free, to avoid pipeline control to occur the safety and stability of misoperation and then protection total system.At present, still there is more shortcoming in existing switch Decompression valves, valve member complex structure, volume are larger, under hyperbaric environment, use, Sealing in stop valve is easily subject to pressure affect distortion and then affect its tightness, pressure-acting causes cut-off action dumb, needs the initial start power strengthening; Automatically control compatibility not strong, break-in operation underaction, easily produces misoperation etc.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, and a kind of compact structure, easy to operate high-pressure stop valve are provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of high-pressure stop valve described in the utility model, comprise valve body and valve rod, described valve body one side is provided with inlet hole, exhaust port and relief hole from top to bottom successively, valve rod is arranged in valve body, in the outer rim of valve rod, have defeated indent and gas pressure relief slot, and the setting corresponding to inlet hole and exhaust port of defeated indent, gas pressure relief slot setting corresponding to exhaust port and relief hole.
Further, described defeated indent and gas pressure relief slot are oppositely arranged, and defeated indent and gas pressure relief slot are upwards 9 degree in the week of valve rod and are crisscross arranged.
Further, described defeated indent comprises along the circumferential annular groove arranging of valve rod with along stem shaft to the straight trough arranging, gas pressure relief slot comprises that defeated indent is two relative and staggered T-slot settings on valve rod with gas pressure relief slot along the circumferential annular groove arranging of valve rod with along stem shaft to the straight trough arranging.
Further, described valve body bottom is provided with bottom, between bottom and valve body, is provided with packing ring, between bottom and valve rod bottom, is provided with spring.
Further, described valve body top is provided with valve gap, the ringwise domatic setting in upper end of valve gap, and the upper end of valve rod is provided with the domatic spanner coordinating with valve gap.
Further, on the valve rod of described defeated indent and gas pressure relief slot outer end, be equipped with seal ring.
The utility model beneficial effect is: the utility model is rational in infrastructure, and valve body closely cooperates with valve rod and then connects corresponding path by the air drain on valve rod, in conversion and control and valve body, presses and is independent of each other, and has improved the flexibility of valve member in high pressure Environmental Conditions; Rotation valve rod gets final product switching gas circuit simple and fast, directly opens pressure release loop behind disconnection gas transmission loop, can effectively avoid the misoperation of system.
Accompanying drawing explanation
Fig. 1 is whole interior structural representation of the present utility model.
In figure:
10, valve body; 11, bottom; 12, relief hole hole; 13, exhaust port;
14, inlet hole; 15, valve gap; 16, packing ring; 20, valve rod;
21, spanner; 22, spring; 23, seal ring; 24, defeated indent;
25, gas pressure relief slot.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of high-pressure stop valve described in the utility model, comprise valve body 10 and valve rod 20, described valve body 10 1 sides are provided with inlet hole 14, exhaust port 13 and relief hole 12 from top to bottom successively, valve rod 20 is arranged in valve body 10, in the outer rim of valve rod 20, have defeated indent 24 and gas pressure relief slot 25, and the setting corresponding to inlet hole 14 and exhaust port 13 of defeated indent 24, gas pressure relief slot 25 setting corresponding to exhaust port 13 and relief hole 12; Described valve rod 20 rises and rotates after corresponding angle, and defeated indent 24 matches and then is communicated with the two with inlet hole 14 and exhaust port 13, realizes air delivery function; Valve rod 20 declines and rotates after corresponding angle, and gas pressure relief slot 25 matches and then is communicated with the two with exhaust port 13 and relief hole 12, realizes decompression function, and the switching action of synchronous quarter-phase can improve safety in utilization of the present utility model.
Above-mentioned defeated indent 24 and gas pressure relief slot 25 are oppositely arranged, and defeated indent 24 and gas pressure relief slot 25 are upwards 90 degree in the week of valve rod 20 and are crisscross arranged, it can be just that defeated indent 24 and gas pressure relief slot 25 are communicated with hole corresponding on valve body 10 that valve rod 20 needs to rotate 90 degree in lifting process, the utility model is manually opened valve member, so setting can improve the Security of use, avoids malfunction misoperation.
Above-mentioned defeated indent 24 comprises the annular groove circumferentially arranging along valve rod 20 and the straight trough axially arranging along valve rod 20, gas pressure relief slot 25 comprises the annular groove circumferentially arranging along valve rod 20 and the straight trough axially arranging along valve rod 20, defeated indent 24 is two relative and staggered T-slot settings on valve rod 20 with gas pressure relief slot 25, annular groove is for matching at horizontal position and corresponding aperture, and straight trough for realizing the function being communicated with after valve rod 20 turns an angle.
Above-mentioned valve body 10 bottoms are provided with bottom 11, between bottom 11 and valve body 10, be provided with packing ring 16, between bottom 11 and valve rod 20 bottoms, be provided with spring 22, bottom 11 is connected with valve body 10 by bolt, and then be easy to install and maintain, spring 22 is for providing reset power to valve rod 20 lifting process.
Above-mentioned valve body 10 tops are provided with valve gap 15, the ringwise domatic setting in upper end of valve gap 15, the upper end of valve rod 20 is provided with the domatic spanner coordinating 21 with valve gap 15, make spanner 21 in pressing down, produce downward pressure with domatic valve gap 15, and then change the horizontal position of valve rod 20 on valve body 10.
On the valve rod 20 of above-mentioned defeated indent 24 and gas pressure relief slot 25 outer ends, be equipped with seal ring 23, seal ring 23 is for keeping the tightness between valve rod 20 working areas and valve body 10.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (6)
1. a high-pressure stop valve, comprise valve body (10) and valve rod (20), it is characterized in that: described valve body (10) one sides are provided with inlet hole (14), exhaust port (13) and relief hole (12) from top to bottom successively, valve rod (20) is arranged in valve body (10), in the outer rim of valve rod (20), have defeated indent (24) and gas pressure relief slot (25), and defeated indent (24) and inlet hole (14) and the corresponding setting of exhaust port (13), gas pressure relief slot (25) and exhaust port (13) and the corresponding setting of relief hole (12).
2. high-pressure stop valve according to claim 1, is characterized in that: described defeated indent (24) and gas pressure relief slot (25) are oppositely arranged, and defeated indent (24) and gas pressure relief slot (25) are upwards 90 degree in the week of valve rod (20) and are crisscross arranged.
3. high-pressure stop valve according to claim 1, it is characterized in that: described defeated indent (24) comprises the annular groove circumferentially arranging along valve rod (20) and the straight trough axially arranging along valve rod (20), gas pressure relief slot (25) comprises the annular groove circumferentially arranging along valve rod (20) and the straight trough axially arranging along valve rod (20), and defeated indent (24) is two relative and staggered T-slot settings on valve rod (20) with gas pressure relief slot (25).
4. high-pressure stop valve according to claim 1, it is characterized in that: described valve body (10) bottom is provided with bottom (11), between bottom (11) and valve body (10), be provided with packing ring (16), between bottom (11) and valve rod (20) bottom, be provided with spring (22).
5. high-pressure stop valve according to claim 1, it is characterized in that: described valve body (10) top is provided with valve gap (15), the ringwise domatic setting in upper end of valve gap (15), the upper end of valve rod (20) is provided with the domatic spanner coordinating (21) with valve gap (15).
6. high-pressure stop valve according to claim 1, is characterized in that: on the valve rod (20) of described defeated indent (24) and gas pressure relief slot (25) outer end, be equipped with seal ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008236.5U CN203641574U (en) | 2014-01-07 | 2014-01-07 | High-pressure stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008236.5U CN203641574U (en) | 2014-01-07 | 2014-01-07 | High-pressure stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641574U true CN203641574U (en) | 2014-06-11 |
Family
ID=50872819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008236.5U Expired - Fee Related CN203641574U (en) | 2014-01-07 | 2014-01-07 | High-pressure stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488793A (en) * | 2019-01-03 | 2019-03-19 | 刘小祥 | A kind of reversal valve and its rotary spool |
| CN110375099A (en) * | 2019-08-01 | 2019-10-25 | 清华大学 | A kind of the controlled pneumatic regulating valve and its control method of commercial vehicle line control brake system |
-
2014
- 2014-01-07 CN CN201420008236.5U patent/CN203641574U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488793A (en) * | 2019-01-03 | 2019-03-19 | 刘小祥 | A kind of reversal valve and its rotary spool |
| CN110375099A (en) * | 2019-08-01 | 2019-10-25 | 清华大学 | A kind of the controlled pneumatic regulating valve and its control method of commercial vehicle line control brake system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203641574U (en) | High-pressure stop valve | |
| JP2013532795A5 (en) | ||
| CN202972016U (en) | Air control two-position five-way valve | |
| CN204663896U (en) | A kind of pneumatic control system of natural gas screw compressor | |
| CN204646821U (en) | A kind of automatic reciprocating type Pneumatic actuator | |
| CN202418865U (en) | Double-tee reversing valve interlocking fine-regulating device | |
| CN207034349U (en) | A kind of gas pipeline special pneumatic gate valve | |
| CN205155212U (en) | Take high parameter multi -step pressure reduction valve of porous case | |
| CN204784789U (en) | There is not umbrella tooth transmission soft seal gate valve that card hinders | |
| CN204403489U (en) | A kind of piston type pressure maintaining valve | |
| CN103697201B (en) | Valve actuator overload protection arrangement and overload protection method thereof | |
| CN104633180A (en) | Many-to-many valve opening and closing device | |
| CN202274121U (en) | Valve port sealing structure of soft seal butterfly valve | |
| CN202302120U (en) | Small-aperture pressure valve | |
| CN203823162U (en) | Pneumatic valve | |
| CN204357658U (en) | A kind of vacuum pre-treatment system | |
| CN202100944U (en) | Switching system with piston type low-pressure nitrogen compressor providing instrument air | |
| CN203421212U (en) | Two-position three-way stop valve | |
| CN209654338U (en) | A kind of hydraulic manual rapid pressure adjusting valve group | |
| CN202629281U (en) | Pneumatic valve with oil cylinder control function | |
| CN203516799U (en) | Residual-pressure releasing valve | |
| CN203627989U (en) | Pilot stop valve | |
| CN203703147U (en) | Reverse direction valve | |
| CN203421213U (en) | Novel two-position three-way valve | |
| CN205047897U (en) | Gas accuse air bleeding valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Longwan District of Wenzhou City, Zhejiang province 325000 North Street Yong Hu Zhai Xiang new road No. 34 Patentee after: Zhejiang Jie Yu Valve Co.,Ltd. Address before: 325000, Zhejiang province Wenzhou city Longwan District hi tech park, South Village, Ding Ding Patentee before: WENZHOU JIEYU VALVE MANUFACTURE Co.,Ltd. |
|
| 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: 20140611 |