CN204493815U - A kind of Direct spring loaded safety valve - Google Patents
A kind of Direct spring loaded safety valve Download PDFInfo
- Publication number
- CN204493815U CN204493815U CN201420873796.7U CN201420873796U CN204493815U CN 204493815 U CN204493815 U CN 204493815U CN 201420873796 U CN201420873796 U CN 201420873796U CN 204493815 U CN204493815 U CN 204493815U
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- CN
- China
- Prior art keywords
- valve
- valve body
- spring loaded
- bolt
- wedge
- 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
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Abstract
The utility model discloses a kind of Direct spring loaded safety valve, primarily of valve body, valve, spring, bolt, resilient pad, stuffing box packing, valve gap, wedge, handwheel composition.Described valve body inner cylindrical surface and valve external cylindrical surface interference fit, described valve gap is connected with valve body by bolt, and resilient pad is placed with between valve body and the nut of bolt, described valve body and valve cover chamber are filled with stuffing box packing, described lower spring end compresses valve base plane, upper end is placed in wedge annular groove, and described handwheel upper end and valve gap are threaded connection, and lower end is placed in above wedge endoporus.The beneficial effects of the utility model: during Direct spring loaded safety valve work, when can realize valve opening and closing, air pressure inside is consistent with external pressure; By rotating handwheel adjustment spring pressure, thus the setting value of safety valve can be changed; Structure is simple, be convenient to dismounting and maintenance.
Description
Technical field
The utility model relates to a kind of safety valve, particularly a kind of Direct spring loaded safety valve.
Background technique
Safety valve is a kind of valve playing safety protection effect; normal condition valve is in normally off by External Force Acting; but when the fluid medium pressure in equipment or pipeline increases to over setting value; valve is just opened automatically; displacement fluids medium outside equipment or pipeline, prevents internal system from normally running because overpressure affects equipment.Easily cause jam phenomenon during the valve opening and closing of existing safety valve, and between valve body and valve, sealing is poor, when internal pressure does not reach setting pressure, safety valve just starts gas leakage, does not have the safety protection effect of expection, even causes potential safety hazard.
Summary of the invention
Easily cause jam phenomenon when the purpose of this utility model is exactly the valve opening and closing for existing safety valve, between valve body and valve, sealing is poor, does not have the present situation of expection safety protection effect, proposes that a kind of Security is high, the Direct spring loaded safety valve of good airproof performance.
Its technological scheme is: a kind of Direct spring loaded safety valve, primarily of valve body, valve, spring, bolt, resilient pad, stuffing box packing, valve gap, wedge, handwheel forms, described valve body inner cylindrical surface and valve external cylindrical surface interference fit, described valve gap to be connected with valve body by bolt and to be placed with resilient pad between valve body and the nut of bolt, described valve body and valve cover chamber are filled with stuffing box packing, described lower spring end compresses valve base plane, upper end is placed in wedge annular groove, described handwheel upper end and valve gap are threaded connection, lower end is placed in above wedge endoporus.
Above-mentioned described valve has 2 air holes.
The top of above-mentioned handwheel is evenly distributed with 5 through holes, 3/4ths threadings of cylndrical surface, lower end.
Above-mentioned bonnet flange is evenly provided with 6 tapped holes.
The beneficial effects of the utility model: during Direct spring loaded safety valve work, when can realize valve opening and closing, air pressure inside is consistent with external pressure; By rotating handwheel adjustment spring pressure, thus the setting value of safety valve can be changed; Simple and reasonable, be convenient to dismounting and maintenance.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model;
Fig. 2: the structural representation of the utility model wedge;
Fig. 3: the structural representation of the utility model handwheel;
In upper figure: 1 valve body, 2 valves, 3 springs, 4 bolts, 5 resilient pads, 6 packing seals, 7 valve gaps, 8 wedges, 9 handwheels.
Embodiment
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As Fig. 1, Fig. 2, shown in Fig. 3, the utility model is primarily of valve body 1, valve 2, spring 3, bolt 4, resilient pad 5, stuffing box packing 6, valve gap 7, wedge 8, handwheel 9 forms, described valve body 1 inner cylindrical surface and valve 2 external cylindrical surface interference fit, described valve gap 7 to be connected with valve body 1 by bolt 4 and to be placed with resilient pad 5 between valve body 1 and the nut of bolt 4, stuffing box packing 6 is filled with between described valve body 1 and valve gap 7, described spring 3 lower end compresses valve 2 base plane, upper end is placed in wedge 8 annular groove, described handwheel 9 upper end and valve gap 7 are threaded connection, lower end is placed in above wedge 8 endoporus.
Preferably, described valve 2 has 2 air holes, realize inner and outer air pressure when valve 2 opens and closes consistent.
Preferably, the top of described handwheel 9 is evenly distributed with 5 through holes, 3/4ths threadings of cylndrical surface, lower end.
Preferably, described valve gap 7 flange is evenly provided with 6 tapped holes, to guarantee that Direct spring loaded safety valve sealing is good, effectively stops introduced contaminants to enter valve body.
During Direct spring loaded safety valve work, valve 2, by the closed position under the spring-force driven dual of spring 3, when fluid flows into Direct spring loaded safety valve, there will be following two kinds of working staties: when hydrodynamic pressure exceedes setting value, first fluid flows into from valve body 1 left end hole, is then flowed out by lower stomidium; When hydrodynamic pressure exceedes setting value, fluid flows into from valve body 1 left end hole, because hydrodynamic pressure is greater than spring force, the valve 2 of Direct spring loaded safety valve is opened, excessive fluid just flows back to fuel tank through valve body 1 right-hand member hole pipeline between the gap after valve body 1 and valve 2 unlatching.Thus make ducted hydrodynamic pressure maintain in allowed band, play safety protection effect.
Be illustrated the utility model by way of example above, but the utility model is not limited to above-mentioned specific embodiment, all any changes of doing based on the utility model or modification all belong to the claimed scope of the utility model.
Claims (4)
1. a Direct spring loaded safety valve, it is characterized in that: primarily of valve body (1), valve (2), spring (3), bolt (4), resilient pad (5), stuffing box packing (6), valve gap (7), wedge (8), handwheel (9) forms, described valve body (1) inner cylindrical surface and valve (2) external cylindrical surface interference fit, described valve gap (7) to be connected with valve body (1) by bolt (4) and to be placed with resilient pad (5) between valve body (1) and the nut of bolt (4), stuffing box packing (6) is filled with between described valve body (1) and valve gap (7), described spring (3) lower end compresses valve (2) base plane, upper end is placed in wedge (8) annular groove, described handwheel (9) upper end and valve gap (7) are threaded connection, lower end is placed in above wedge (8) endoporus.
2. a kind of Direct spring loaded safety valve according to claim 1, is characterized in that: described valve (2) has 2 air holes.
3. a kind of Direct spring loaded safety valve according to claim 1, is characterized in that: the top of described handwheel (9) is evenly distributed with 5 through holes, 3/4ths threadings of cylndrical surface, lower end.
4. a kind of Direct spring loaded safety valve according to claim 1, is characterized in that: described valve gap (7) flange is evenly provided with 6 tapped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873796.7U CN204493815U (en) | 2014-12-29 | 2014-12-29 | A kind of Direct spring loaded safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873796.7U CN204493815U (en) | 2014-12-29 | 2014-12-29 | A kind of Direct spring loaded safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493815U true CN204493815U (en) | 2015-07-22 |
Family
ID=53573134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420873796.7U Expired - Fee Related CN204493815U (en) | 2014-12-29 | 2014-12-29 | A kind of Direct spring loaded safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448654A (en) * | 2017-09-02 | 2017-12-08 | 泰州市博圣机械配件厂 | A kind of special air reducing valve peculiar to vessel |
| CN107956914A (en) * | 2017-11-23 | 2018-04-24 | 天津市卡尔斯阀门有限公司 | Can quick regulation high pressure valve |
-
2014
- 2014-12-29 CN CN201420873796.7U patent/CN204493815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448654A (en) * | 2017-09-02 | 2017-12-08 | 泰州市博圣机械配件厂 | A kind of special air reducing valve peculiar to vessel |
| CN107956914A (en) * | 2017-11-23 | 2018-04-24 | 天津市卡尔斯阀门有限公司 | Can quick regulation high pressure 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 |
Granted publication date: 20150722 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |