CN203214985U - Automatic pressure release valve - Google Patents
Automatic pressure release valve Download PDFInfo
- Publication number
- CN203214985U CN203214985U CN 201320121018 CN201320121018U CN203214985U CN 203214985 U CN203214985 U CN 203214985U CN 201320121018 CN201320121018 CN 201320121018 CN 201320121018 U CN201320121018 U CN 201320121018U CN 203214985 U CN203214985 U CN 203214985U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- wall
- adjusting pressuring
- valve core
- 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 an automatic pressure release valve which comprises a cylindrical valve body, wherein a valve head, a rubber sealing piece, a movable pressure-regulating valve core, a spring, a spring sleeve, a dustproof pad, a fixed pressure-regulating valve core and a pressure-regulating fixing cover are sequentially arranged in the valve body from rear to front; a step is formed on the front outer wall of the valve body; the outer wall of the front end of the valve body is hexagonal; a thread is formed on the middle outer wall of the valve body; a gasket is arranged on the valve body; the front surface of the gasket is in contact connection with the step; annular grooves are formed in the front and rear surfaces of the gasket; sealing rings are arranged in the annular grooves. The automatic pressure release valve is small in size, the rear of the valve body is embedded in equipment, and most of the pressure release valve is positioned inside the equipment, so that the automatic pressure release valve is unlikely to be damaged due to collision; the outer wall of the front end of the valve body is hexagonal, and thus the valve body can be directly fixed through a wrench and is convenient to mount; the rubber sealing piece is pressed against the valve head through an elastic force, water flows out of a gap between the sealing piece and the valve head, and the rubber sealing piece is prevented from being damaged, so that the automatic pressure release valve can be repeatedly used; a communicating hole is formed in the side wall of the movable pressure-regulating valve core, and thus the drainage speed during pressure relief is improved.
Description
Technical field
The utility model relates to a kind of hydraulic pressure protective gear, specifically, is a kind of self-relieving safety valve.
Background technique
The water pressure safety valve is used for when hydraulic pressure in container or the pipe-line system surpasses safety limit, container or pipe-line system are carried out releasing pressure automatically, the water pressure safety valve body that uses is long-pending huge at present, can not be used for the supporting use of equipment under the mine, and can only effectively use once, safety disc in the water pressure safety valve namely lost efficacy after breaking through, there is not automatic recovery ability, safety valve lost efficacy and is difficult for being found by the staff, cause potential safety hazard easily, and water pressure safety valve integral body is exposed outside, is damaged because of bump easily.
The model utility content
The utility model purpose is to provide a kind of volume little, can reuse, and is difficult for the water pressure safety valve of damaged in collision.
The utility model automatic decompression valve, the valve body that comprises tubular, in the valve body from after valve head, rubber gasket, movable adjusting pressuring valve core, spring, spring housing, dust-proof cushion, fixedly adjusting pressuring valve core, pressure regulation fixed cover are installed forward successively, the anterior outer wall of valve body is provided with step, valve body front end outer wall is Hexagon, valve body middle part outer wall is provided with screw thread, packing ring also is installed on the valve body, the packing ring anterior face is connected with the step contact, the packing ring front and rear surfaces all is provided with annular slot, and seal ring all is installed in the annular slot.
Preferably, the inwall of valve body front and rear all is provided with screw thread, valve head, movable adjusting pressuring valve core, spring housing, fixedly adjusting pressuring valve core all is tubular, described valve head rear portion is provided with flange, the front portion is provided with step, valve head outer wall between step and the flange is provided with screw thread, and valve head is connected by thread engagement with the inwall at valve body rear portion, between flange and the valve rear end face seal ring is installed; The rear and front end of described movable adjusting pressuring valve core inwall all is provided with receiving groove, and rubber gasket and valve head front portion all are installed in the receiving groove of movable adjusting pressuring valve core rear end; The spring housing rear inner wall also is provided with receiving groove, and both ends of the spring is installed in respectively in the receiving groove of the receiving groove of spring housing and movable adjusting pressuring valve core inwall front end, and the spring housing outer wall is provided with screw thread, and spring housing is connected by thread engagement with the inwall of valve body front portion; Fixedly the adjusting pressuring valve core outer wall also is provided with screw thread, and fixedly adjusting pressuring valve core is connected by thread engagement with the inwall of valve body front portion; Dust-proof cushion is ring-type, and contact is connected dust-proof cushion with fixing adjusting pressuring valve core ear end face with the spring housing front-end face respectively; The pressure regulation fixed cover is provided with osculum.
Preferably, also be provided with intercommunicating pore on the described movable adjusting pressuring valve core sidewall.
The beneficial effects of the utility model are: the automatic decompression valve volume is little, device interior is imbedded at the valve body rear portion, the screw thread of valve outer wall is connected by thread engagement with equipment, make the Decompression valves major part be positioned at device interior, have only anterior exposing outside, make automatic decompression valve be difficult for causing damage because of bump, valve body front end outer wall is Hexagon, can directly use spanner that Decompression valves is fixed, easy for installation, automatic decompression valve holds out against rubber gasket on the valve head by elastic force, water flows out from the slit of diaphragm seal and valve head and does not damage rubber gasket, make automatic decompression valve reusable, also be provided with intercommunicating pore on the movable adjusting pressuring valve core sidewall, the drainage rate when having improved pressure release.
Description of drawings
Accompanying drawing 1 is the sectional view of automatic decompression valve;
Accompanying drawing 2 is the stereogram of automatic decompression valve.
Embodiment
The utility model automatic decompression valve, shown in Fig. 1 to 2, the valve body 1 that comprises tubular, in the valve body 1 from after valve head 2 is installed forward successively, rubber gasket 3, movable adjusting pressuring valve core 4, spring 5, spring housing 6, dust-proof cushion 7, fixedly adjusting pressuring valve core 8, pressure regulation fixed cover 9, valve body 1 anterior outer wall is provided with step 10, valve body 1 front end outer wall is Hexagon, valve body 1 middle part outer wall is provided with screw thread, packing ring 11 also is installed on the valve body 1, packing ring 1 anterior face is connected with step 10 contacts, packing ring 11 front and rear surfaces all are provided with annular slot, and seal ring 12 all is installed in the annular slot.
The inwall of valve body 1 front and rear all is provided with screw thread, valve head 2, movable adjusting pressuring valve core 4, spring housing 6, fixedly adjusting pressuring valve core 8 all is tubular, described valve head 2 rear portions are provided with flange 13, the front portion is provided with step 10, valve head 2 outer walls between step 10 and the flange 13 are provided with screw thread, valve head 2 is connected by thread engagement with the inwall at valve body 1 rear portion, between flange 13 and valve body 1 ear end face seal ring 12 is installed; The rear and front end of described movable adjusting pressuring valve core 4 inwalls all is provided with receiving groove 14, also is provided with intercommunicating pore 16 on movable adjusting pressuring valve core 4 sidewalls, and rubber gasket 3 and valve head 2 front portions all are installed in the receiving groove 14 of movable adjusting pressuring valve core 4 rear ends; Spring housing 6 rear inner wall also are provided with receiving groove 14, spring 5 two ends are installed in respectively in the receiving groove 14 of the receiving groove 14 of spring housing 6 and movable adjusting pressuring valve core 4 inwall front ends, spring housing 6 outer walls are provided with screw thread, and spring housing 6 is connected by thread engagement with the inwall of valve body 1 front portion; Fixedly adjusting pressuring valve core 8 outer walls also are provided with screw thread, and fixedly adjusting pressuring valve core 8 is connected by thread engagement with the inwall of valve body 1 front portion; Dust-proof cushion 7 is ring-type, and contact is connected dust-proof cushion 7 with fixing adjusting pressuring valve core 8 ear end faces with spring housing 6 front-end faces respectively; Pressure regulation fixed cover 9 is provided with osculum 15.
Releasing pressure automatically valve body 1 rear portion is stretched in the mounting hole of equipment, screw thread by valve body 1 outer wall is connected with the equipment thread engagement, packing ring 11 is with the mounting hole sealing of equipment, when hydraulic pressure in the equipment surpasses safety limit, water is with rubber gasket 3 jack-up, water flows out from rubber gasket 4 and the slit of valve head 2, water continues by the slit between movable adjusting pressuring valve core 4 and valve body 1 inwall, part water flows to the inside of movable adjusting pressuring valve core 4 by intercommunicating pore 16, and water continues successively by spring housing 6, fixedly osculum 15 outflows of adjusting pressuring valve core 8, pressure regulation fixed cover 9.
Can adjust the pretightening force of springs 5 by adjusting spring housing 6 and movable adjusting pressuring valve core 4, adjust the water pressure safety limit value.When hydraulic pressure in the equipment returned in the safety limit, spring 5 held out against rubber gasket 3 on the valve head 2, with valve head 2 sealings.
Claims (3)
1. automatic decompression valve, it is characterized in that, the valve body (1) that comprises tubular, in the valve body (1) from after valve head (2) is installed forward successively, rubber gasket (3), movable adjusting pressuring valve core (4), spring (5), spring housing (6), dust-proof cushion (7), fixing adjusting pressuring valve core (8), pressure regulation fixed cover (9), the anterior outer wall of valve body (1) is provided with step (10), valve body (1) front end outer wall is Hexagon, valve body (1) middle part outer wall is provided with screw thread, packing ring (11) also is installed on the valve body (1), packing ring (1) anterior face is connected with step (10) contact, packing ring (11) front and rear surfaces all is provided with annular slot, and seal ring (12) all is installed in the annular slot.
2. automatic decompression valve according to claim 1, it is characterized in that, the inwall of valve body (1) front and rear all is provided with screw thread, valve head (2), movable adjusting pressuring valve core (4), spring housing (6), fixedly adjusting pressuring valve core (8) all is tubular, described valve head (2) rear portion is provided with flange (13), the front portion is provided with step (10), valve head (2) outer wall between step (10) and the flange (13) is provided with screw thread, valve head (2) is connected by thread engagement with the inwall at valve body (1) rear portion, between flange (13) and valve body (1) ear end face seal ring (12) is installed; The rear and front end of described movable adjusting pressuring valve core (4) inwall all is provided with receiving groove (14), and rubber gasket (3) and valve head (2) front portion all are installed in the receiving groove (14) of movable adjusting pressuring valve core (4) rear end; Spring housing (6) rear inner wall also is provided with receiving groove (14), spring (5) two ends are installed in respectively in the receiving groove (14) of the receiving groove (14) of spring housing (6) and movable adjusting pressuring valve core (4) inwall front end, spring housing (6) outer wall is provided with screw thread, and spring housing (6) is connected by thread engagement with the inwall of valve body (1) front portion; Fixedly adjusting pressuring valve core (8) outer wall also is provided with screw thread, and fixedly adjusting pressuring valve core (8) is connected by thread engagement with the inwall of valve body (1) front portion; Dust-proof cushion (7) is ring-type, and contact is connected dust-proof cushion (7) with fixing adjusting pressuring valve core (8) ear end face with spring housing (6) front-end face respectively; Pressure regulation fixed cover (9) is provided with osculum (15).
3. automatic decompression valve according to claim 2 is characterized in that, also is provided with intercommunicating pore (16) on described movable adjusting pressuring valve core (4) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121018 CN203214985U (en) | 2013-03-16 | 2013-03-16 | Automatic pressure release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121018 CN203214985U (en) | 2013-03-16 | 2013-03-16 | Automatic pressure release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214985U true CN203214985U (en) | 2013-09-25 |
Family
ID=49204524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121018 Expired - Lifetime CN203214985U (en) | 2013-03-16 | 2013-03-16 | Automatic pressure release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10113658B2 (en) | 2014-04-03 | 2018-10-30 | Siemens Healthcare Limited | Pressure limiting valve for a cryostat containing a cryogen and a superconducting magnet |
-
2013
- 2013-03-16 CN CN 201320121018 patent/CN203214985U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10113658B2 (en) | 2014-04-03 | 2018-10-30 | Siemens Healthcare Limited | Pressure limiting valve for a cryostat containing a cryogen and a superconducting magnet |
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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 | ||
| CP03 | Change of name, title or address |
Address after: 266000 No. 662 Century Avenue, Qingdao, Shandong, Jiaonan Patentee after: QINGDAO CCS VFD MOTOR Co.,Ltd. Address before: 266000, No. 1003, King Hai Road, Jiaonan, Shandong, Qingdao Patentee before: Qingdao Tianxin Inverter Motor Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 3138, Shiji Avenue, Huangdao District, Qingdao, Shandong Province Patentee after: Qingdao zhonggate Electric Co.,Ltd. Address before: 266000 No. 662 Century Avenue, Qingdao, Shandong, Jiaonan Patentee before: QINGDAO CCS VFD MOTOR Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |