CN204628671U - Pressure valve - Google Patents
Pressure valve Download PDFInfo
- Publication number
- CN204628671U CN204628671U CN201520184748.1U CN201520184748U CN204628671U CN 204628671 U CN204628671 U CN 204628671U CN 201520184748 U CN201520184748 U CN 201520184748U CN 204628671 U CN204628671 U CN 204628671U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- fuel tank
- main valve
- spring
- 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
Abstract
The utility model discloses a kind of pressure valve, comprise main valve and pilot valve, main valve comprises input interface, fuel tank interface, pressure oil outlet and sleeve pipe, porose on casing wall, pressure oil flows to fuel tank interface by this hole from input interface, master control spring is provided with in sleeve pipe, pilot valve comprises leads control cone valve, pressure adjusting spring and adjusting nut, the utility model by being provided with drain tap on pilot valve, fluid can be realized by drain tap and be back to fuel tank, use convenient, simultaneously the utility model is provided with the pressure adjusting spring be connected with side adjusting nut leading on the right side of control cone valve, the pressure of Regulation spring is changed by adjusting nut, meet different user demands.
Description
Technical field
The utility model relates to a kind of pressure valve, belongs to technical field of hydraulic.
Background technique
Safety valve is a kind of safety protection valve; its open-shut device is in normally off by under External Force Acting; when the pressure medium in equipment or pipeline raises, automatically open when exceeding specified value, exceed specified value by preventing pressure medium in pipeline or equipment to discharge medium outside system.Safety valve belongs to self-acting valve class, is mainly used in boiler, and on pressure vessels and pipes, pilot pressure is no more than specified value, has run important protective action to personal safety and equipment.
Model utility content
The purpose of this utility model is that providing a kind of controls safety, and structure is simple, for boiler, and fluid on pressure vessels and pipes, the pressure valve of the safety controls such as gas.
For achieving the above object, the technological means that the utility model adopts is:
Pressure valve, comprise main valve and pilot valve, described main valve comprises input interface, fuel tank interface, pressure oil outlet and sleeve pipe, porose on described casing wall, pressure oil flows to fuel tank interface by this hole from input interface, be provided with master control spring in described sleeve pipe, one end of master control spring is fixed on the closing cap of sleeve upper end, and the upper end of described main valve is provided with upper end stream; Described pilot valve comprises leads control cone valve, pressure adjusting spring and adjusting nut, described lead control cone valve right side be provided with the pressure adjusting spring is connected with adjusting nut, described in lead control cone valve left side valve body in be provided with left end oil pocket, described main valve fuel tank interface pass through upper end stream be connected with left end oil pocket is through.
Aforesaid pilot valve is provided with drain tap, described in lead control cone valve valve port be connected with drain tap by draining stream.
Aforesaid pilot valve is provided with oil outlet, and described left end oil pocket exports through connection by fuel-displaced stream with the pressure oil of main valve.
The valve body of aforesaid main valve and pilot valve adopts hard material to make.
Drain tap on aforesaid pilot valve and oil outlet place are provided with seal ring.
Input interface on aforesaid main valve, fuel tank interface and pressure oil outlet port are provided with seal ring.
Pressure valve of the present utility model is provided with upper end stream on main valve, main valve fuel tank interface is connected with left end oil pocket is through by upper end stream, pilot valve is provided with drain tap, the valve port of leading control cone valve is connected with drain tap by draining stream, fluid can be realized by drain tap and be back to fuel tank, use convenient, simultaneously the utility model is provided with the pressure adjusting spring be connected with side adjusting nut leading on the right side of control cone valve, changed the pressure of Regulation spring by adjusting nut, meet different user demands.
Accompanying drawing explanation
Fig. 1 is the structural representation of pressure valve of the present utility model.
Embodiment
Now with embodiment, the utility model is described in further details by reference to the accompanying drawings.
As shown in Figure 1, pressure valve of the present utility model comprises the main valve 8 and pilot valve 1 be made up of hard material, wherein, main valve 8 comprises input interface 9, fuel tank interface 10, pressure oil outlet 11 and sleeve pipe 6, on sleeve pipe 6 wall porose 7, pressure oil flows to fuel tank interface 10 by this hole 7 from input interface 9, is provided with master control spring 61 in sleeve pipe 6, one end of master control spring 61 is fixed on the closing cap of sleeve pipe 6 upper end, is provided with upper end stream 14 in the upper end of main valve 8; Pilot valve 1 comprises leads control cone valve 16, pressure adjusting spring 2 and adjusting nut 3, the right side of leading control cone valve 16 is provided with the pressure adjusting spring 2 be connected with adjusting nut 3, in the valve body in left side of leading control cone valve 16, be provided with left end oil pocket 15, main valve fuel tank interface 10 is connected with left end oil pocket 15 is through by upper end stream 14.
Pilot valve 1 of the present utility model is provided with drain tap 5, and the valve port of leading control cone valve 16 is connected with drain tap 5 by draining stream 4.Pilot valve 1 is also provided with oil outlet 13, and left end oil pocket 15 exports 11 by fuel-displaced stream 12 and the pressure oil of main valve and to be throughly connected.
In order to ensure sealing, the drain tap 5 on pilot valve and oil outlet 13 place are provided with seal ring, and the input interface 9 on main valve, fuel tank interface 10 and pressure oil export 11 places and is provided with seal ring.
Claims (6)
1. pressure valve, it is characterized in that, comprise main valve and pilot valve, described main valve comprises input interface, fuel tank interface, pressure oil outlet and sleeve pipe, porose on described casing wall, pressure oil flows to fuel tank interface by this hole from input interface, is provided with master control spring in described sleeve pipe, one end of master control spring is fixed on the closing cap of sleeve upper end, and the upper end of described main valve is provided with upper end stream; Described pilot valve comprises leads control cone valve, pressure adjusting spring and adjusting nut, described lead control cone valve right side be provided with the pressure adjusting spring is connected with adjusting nut, described in lead control cone valve left side valve body in be provided with left end oil pocket, described main valve fuel tank interface pass through upper end stream be connected with left end oil pocket is through.
2. pressure valve according to claim 1, is characterized in that, described pilot valve is provided with drain tap, described in lead control cone valve valve port be connected with drain tap by draining stream.
3. pressure valve according to claim 1, is characterized in that, described pilot valve is provided with oil outlet, and described left end oil pocket exports through connection by fuel-displaced stream with the pressure oil of main valve.
4. pressure valve according to claim 1, is characterized in that, the valve body of described main valve and pilot valve adopts hard material to make.
5. the pressure valve according to Claims 2 or 3, is characterized in that, the drain tap on described pilot valve and oil outlet place are provided with seal ring.
6. pressure valve according to claim 1, is characterized in that, the input interface on described main valve, and fuel tank interface and pressure oil outlet port are provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184748.1U CN204628671U (en) | 2015-03-30 | 2015-03-30 | Pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184748.1U CN204628671U (en) | 2015-03-30 | 2015-03-30 | Pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628671U true CN204628671U (en) | 2015-09-09 |
Family
ID=54047703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184748.1U Expired - Fee Related CN204628671U (en) | 2015-03-30 | 2015-03-30 | Pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776255A (en) * | 2015-03-30 | 2015-07-15 | 苏州固基电子科技有限公司 | Pressure valve |
| CN105587705A (en) * | 2016-01-29 | 2016-05-18 | 太仓市微贯机电有限公司 | Scraping resisting and corrosion resisting pressure stabilizing valve |
-
2015
- 2015-03-30 CN CN201520184748.1U patent/CN204628671U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776255A (en) * | 2015-03-30 | 2015-07-15 | 苏州固基电子科技有限公司 | Pressure valve |
| CN105587705A (en) * | 2016-01-29 | 2016-05-18 | 太仓市微贯机电有限公司 | Scraping resisting and corrosion resisting pressure stabilizing 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: 20150909 Termination date: 20160330 |