CN202152877U - Pneumatic control valve - Google Patents
Pneumatic control valve Download PDFInfo
- Publication number
- CN202152877U CN202152877U CN 201120088163 CN201120088163U CN202152877U CN 202152877 U CN202152877 U CN 202152877U CN 201120088163 CN201120088163 CN 201120088163 CN 201120088163 U CN201120088163 U CN 201120088163U CN 202152877 U CN202152877 U CN 202152877U
- Authority
- CN
- China
- Prior art keywords
- valve
- control valve
- pneumatic control
- mouth
- pneumatic
- 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 - Lifetime
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Abstract
The utility model discloses a pneumatic control valv which comprises a pneumatic control valve body, a pneumatic control valve cover, a pneumatic valve plug, a pneumatic control valve screw cover, a valve core and a spring, and is characterized in that the pneumatic control plug is tightly connected together with the valve core by threads; the diameter of the valve core is larger than that of a valve port, and the valve core is used for cutting off the pneumatic valve; or a port A is completely communicated with a port B so as to be used for the communication of the pneumatic control valve. The pneumatic control valve is applicable to remotely controlling the connection and the disconnection of a gas circuit with larger flux; and when remote controlled pressure is in high pressure state, the gas circuit is connected, and when the remote controlled pressure is zero, the gas circuit is disconnected.
Description
Technical field
The utility model relates to the gas circuit connection of the big flux of a kind of telecontrol and the pneumatic control valve that cuts off.
Background technique
In the existing technology, pneumatic control valve arrangement more complicated.Be not easy to be suitable for the gas circuit connection of the big flux of telecontrol and to cut off.
The model utility content
In order to overcome the above problems, the technological scheme of the utility model is:
A kind of pneumatic control valve; Comprise gas control valve body, gas control valve gap, Pneumatic valve piston, Pneumatic valve blind nut, spool, spring; It is characterized in that: said gas control piston and said spool closely link together through screw thread; The diameter of said spool is used for the cut-out of pneumatic control valve greater than the diameter of said valve port; Perhaps A mouth and the complete UNICOM of B mouth are used for the UNICOM of this pneumatic control valve.
The workflow of the utility model:
Dissengaged positions: when the pressure in C hole was 0, spring promoted spool and moves to right the valve port on the spool valve body.When A mouth air pressure during greater than B mouth air pressure, spool can more closely compress valve port, and the pressure air of A mouth can not get into the B mouth, that is to say that A mouth and B mouth are obstructed; When B mouth air pressure during greater than A mouth air pressure; Because gas control piston and spool closely link together through screw thread; The diameter of gas control piston is greater than the diameter of valve port, and the power that pressure air is pushed spool open hauls the power that spool compresses valve port less than the gas control piston, so; The pressure air of B mouth can not get into the A mouth, that is to say that B mouth and A mouth are obstructed.
UNICOM's state: when the C hole fed pressure air, pressure air promoted the gas control piston and moves to left, and drove spool and overcame spring pressure, left valve port.At this moment, A mouth and the complete UNICOM of B mouth.
The beneficial effect of the utility model:
Can pass through pilot hole, the break-make of telecontrol gas circuit.When C did not have pressure air, A mouth and B mouth were obstructed; When C has pressure air, A mouth and B mouth UNICOM.
This pneumatic control valve is suitable for the gas circuit of the big flux of telecontrol and connects and cut off, and when telecontrol pressure was in high pressure, gas circuit was connected, and when telecontrol pressure was 0, gas circuit was cut off.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the schematic representation of the utility model dissengaged positions.
Fig. 2 is the schematic representation of the utility model UNICOM state.
Mark among the figure, the 1st, gas control valve body, the 2nd, gas control valve gap, the 3rd, Pneumatic valve piston, the 4th, Pneumatic valve blind nut, the 5th, spool, the 6th, spring, the 7,8,9,10, the 11st, O-ring seals, the 12nd, normal type single coil spring lock washer, the 13rd, socket head screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment: like Fig. 1, shown in Figure 2; A kind of pneumatic control valve; Comprise gas control valve body, gas control valve gap, Pneumatic valve piston, Pneumatic valve blind nut, spool, spring; It is characterized in that: said gas control piston and said spool closely link together through screw thread, and the diameter of said spool is used for the cut-out of pneumatic control valve greater than the diameter of said valve port; Perhaps A mouth and the complete UNICOM of B mouth are used for the UNICOM of this pneumatic control valve.
Like Fig. 1, dissengaged positions: when the pressure in C hole was 0, spring promoted spool and moves to right the valve port on the spool valve body.When A mouth air pressure during greater than B mouth air pressure, spool can more closely compress valve port, and the pressure air of A mouth can not get into the B mouth, that is to say that A mouth and B mouth are obstructed; When B mouth air pressure during greater than A mouth air pressure; Because gas control piston and spool closely link together through screw thread; The diameter of gas control piston is greater than the diameter of valve port, and the power that pressure air is pushed spool open hauls the power that spool compresses valve port less than the gas control piston, so; The pressure air of B mouth can not get into the A mouth, that is to say that B mouth and A mouth are obstructed.
Like Fig. 2, UNICOM's state: when the C hole fed pressure air, pressure air promoted the gas control piston and moves to left, and drove spool and overcame spring pressure, left valve port.At this moment, A mouth and the complete UNICOM of B mouth.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (1)
1. pneumatic control valve; Comprise gas control valve body, gas control valve gap, Pneumatic valve piston, Pneumatic valve blind nut, spool, spring; It is characterized in that: said gas control piston and said spool closely link together through screw thread; The diameter of said spool is used for the cut-out of pneumatic control valve greater than the diameter of said valve port; Perhaps A mouth and the complete UNICOM of B mouth are used for the UNICOM of this pneumatic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120088163 CN202152877U (en) | 2010-11-22 | 2011-03-30 | Pneumatic control valve |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020617142 | 2010-11-22 | ||
| CN201020617142.X | 2010-11-22 | ||
| CN 201120088163 CN202152877U (en) | 2010-11-22 | 2011-03-30 | Pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152877U true CN202152877U (en) | 2012-02-29 |
Family
ID=45693373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120088163 Expired - Lifetime CN202152877U (en) | 2010-11-22 | 2011-03-30 | Pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152877U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453166A (en) * | 2013-09-18 | 2013-12-18 | 石家庄嘉祥精密机械有限公司 | Pneumatic draining valve for locomotive air source system filter |
| CN104442786A (en) * | 2014-12-09 | 2015-03-25 | 四川制动科技股份有限公司 | Pressure signal conversion device for railway brake valves |
| CN104847903A (en) * | 2015-05-26 | 2015-08-19 | 杨舟 | Pneumatic cut-off valve |
| CN104847904A (en) * | 2015-05-26 | 2015-08-19 | 杨舟 | Pneumatic cut-off valve |
| CN108507780A (en) * | 2018-06-19 | 2018-09-07 | 深圳市强瑞电子有限公司 | Pneumatic valve test equipment and its test method |
| CN111022655A (en) * | 2019-11-27 | 2020-04-17 | 西安航天动力研究所 | Pneumatic control valve with bidirectional reliable stop seal |
-
2011
- 2011-03-30 CN CN 201120088163 patent/CN202152877U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453166A (en) * | 2013-09-18 | 2013-12-18 | 石家庄嘉祥精密机械有限公司 | Pneumatic draining valve for locomotive air source system filter |
| CN103453166B (en) * | 2013-09-18 | 2015-12-09 | 石家庄嘉祥精密机械有限公司 | Locomotive air source system filters Pneumatic draining valve |
| CN104442786A (en) * | 2014-12-09 | 2015-03-25 | 四川制动科技股份有限公司 | Pressure signal conversion device for railway brake valves |
| CN104847903A (en) * | 2015-05-26 | 2015-08-19 | 杨舟 | Pneumatic cut-off valve |
| CN104847904A (en) * | 2015-05-26 | 2015-08-19 | 杨舟 | Pneumatic cut-off valve |
| CN108507780A (en) * | 2018-06-19 | 2018-09-07 | 深圳市强瑞电子有限公司 | Pneumatic valve test equipment and its test method |
| CN111022655A (en) * | 2019-11-27 | 2020-04-17 | 西安航天动力研究所 | Pneumatic control valve with bidirectional reliable stop seal |
| CN111022655B (en) * | 2019-11-27 | 2022-03-04 | 西安航天动力研究所 | Pneumatic control valve with bidirectional reliable stop seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 620010 Sichuan city of Meishan province Sichuan Meishan science and Technology Industrial Park Road business center room 206 Patentee after: Meisha Zhongke Brake Technology Co., Ltd. Address before: 620010 Sichuan city of Meishan province Sichuan Meishan science and Technology Industrial Park Road business center room 206 Patentee before: Sichuan Brake Science and Technology Co. Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |
|
| CX01 | Expiry of patent term |