CN202521006U - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN202521006U CN202521006U CN2012201476929U CN201220147692U CN202521006U CN 202521006 U CN202521006 U CN 202521006U CN 2012201476929 U CN2012201476929 U CN 2012201476929U CN 201220147692 U CN201220147692 U CN 201220147692U CN 202521006 U CN202521006 U CN 202521006U
- Authority
- CN
- China
- Prior art keywords
- valve
- safety valve
- casing
- joint
- safety
- 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
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- Safety Valves (AREA)
Abstract
The utility model discloses a safety valve which comprises a valve casing, a joint and a valve sleeve, wherein the valve sleeve is connected to the valve casing by a thread; a valve core is arranged in the joint, and the valve core and the valve sleeve form sealing through a seal ring; one end of the valve core pushes against a small valve sleeve, and an elastic seat is arranged in the small valve sleeve in a matching manner; and a spring is arranged in the valve casing. The safety valve is convenient to machine and produce, and is convenient to mount and use, and furthermore, the problem that the waterproof, waterproof and antirust effects of the spring are bad is solved, and the service life of the safety valve is increased.
Description
Technical field
The utility model relates to the hydrovalve field, a kind of specifically safety valve.
Background technique
Safety valve is that valve is used in a kind of safety protection; Its open-shut device receives to be in normally off under the external force effect; Pressure medium in equipment or pipeline raises, and opens automatically when surpassing specified value, prevents that through outside system, discharging medium pressure medium surpasses regulation numerical value in pipeline or the equipment.Safety valve is mainly used in the protection of various pressure systems, and pilot pressure is no more than specified value, and personal safety and equipment operation are played important protective action.The hydraulic support safety valve of conventional art; Its sealing effect is undesirable, and the groove processing precision that Sealing is installed is wayward, and the spool force-bearing situation is bad; Pressure surge is bigger in the working procedure; Spring chamber is in open state, and dustproof, waterproof and rust-proof effect are poor, reduces the working life of safety valve.
The model utility content
The purpose of the utility model provides a kind of safety valve; Its sealing effect of safety valve to solve existing technology is undesirable; Wayward and the combination seal assembling difficulty of groove processing precision of Sealing is installed, and the spool force-bearing situation is bad, and pressure surge is bigger in the working procedure; Spring is dustproof, waterproof and rust-proof effect are poor, the problem that reduces the working life of safety valve.
In order to achieve the above object, the technological scheme that the utility model adopted is:
Safety valve includes valve casing, joint, valve pocket, and described valve pocket is through being threaded on the valve casing; Be provided with spool in the said joint and form sealing through seal ring and valve pocket; Said spool one end is against on the little valve pocket, is combined with spring seat in the little valve pocket; Be provided with spring in the said valve casing; Said valve casing flow-off place is provided with dirt-proof boot; Said nipple tip outer wall is provided with back-up ring and O type circle.
The utility model is simple in structure, good reliability, long service life, has solved that spring is dustproof, the problem of waterproof and rust-proof effect difference, has effectively prolonged the working life of safety valve.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1; Safety valve includes valve casing 1, joint 9, valve pocket 7, and described valve pocket 7 is through being threaded on the valve casing 1; Be provided with spool 8 in the said joint and form sealing through seal ring 6 and valve pocket 7; Said spool 8 one ends are against on the little valve pocket 4, are combined with spring seat 3 in the little valve pocket 4; Be provided with spring 2 in the said valve casing; Said valve casing flow-off place is provided with dirt-proof boot 5; Said nipple tip outer wall is provided with back-up ring 11 and O type circle 10.
Claims (1)
1. safety valve includes valve casing, joint, valve pocket, it is characterized in that: described valve pocket is through being threaded on the valve casing; Be provided with spool in the said joint and form sealing through seal ring and valve pocket; Said spool one end is against on the little valve pocket, is combined with spring seat in the little valve pocket; Be provided with spring in the said valve casing; Said valve casing flow-off place is provided with dirt-proof boot; Said nipple tip outer wall is provided with back-up ring and O type circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201476929U CN202521006U (en) | 2012-04-10 | 2012-04-10 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201476929U CN202521006U (en) | 2012-04-10 | 2012-04-10 | Safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202521006U true CN202521006U (en) | 2012-11-07 |
Family
ID=47103958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201476929U Expired - Fee Related CN202521006U (en) | 2012-04-10 | 2012-04-10 | Safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202521006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291983A (en) * | 2013-06-28 | 2013-09-11 | 三一重型装备有限公司 | Safety valve and hydraulic support with same |
| CN105090578A (en) * | 2015-09-02 | 2015-11-25 | 天津市海盛泵业制造有限公司 | High-pressure liquid collection type pressure regulating overflow safety valve |
-
2012
- 2012-04-10 CN CN2012201476929U patent/CN202521006U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291983A (en) * | 2013-06-28 | 2013-09-11 | 三一重型装备有限公司 | Safety valve and hydraulic support with same |
| CN103291983B (en) * | 2013-06-28 | 2015-06-10 | 三一重型装备有限公司 | Safety valve and hydraulic support with same |
| CN105090578A (en) * | 2015-09-02 | 2015-11-25 | 天津市海盛泵业制造有限公司 | High-pressure liquid collection type pressure regulating overflow safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20130410 |