CN103016792A - Double-loop safe valve - Google Patents
Double-loop safe valve Download PDFInfo
- Publication number
- CN103016792A CN103016792A CN2011102886579A CN201110288657A CN103016792A CN 103016792 A CN103016792 A CN 103016792A CN 2011102886579 A CN2011102886579 A CN 2011102886579A CN 201110288657 A CN201110288657 A CN 201110288657A CN 103016792 A CN103016792 A CN 103016792A
- Authority
- CN
- China
- Prior art keywords
- valve body
- double
- horizontal piston
- loop
- valve
- 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.)
- Pending
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
The invention discloses a double-loop safe valve which comprises a valve body; screw plugs are arranged on openings on the left end and the right end of the valve body; a horizontal piston is arranged in the inner cavity of the valve body; the horizontal piston is clamped between the screw plugs on both ends; a spring is sleeved in the horizontal piston; a retainer ring is arranged in the middle of the horizontal piston; and a pair of installation holes are arranged at the upper part of the valve body. According to the double-loop safe valve, the structure is simple, the occupied space is small, the system integration degree is high and the service life is long; and the double-loop valve body is adopted, so that the working efficiency and the reliability are high.
Description
Technical field
The present invention relates to a kind of Double-loop safety valve, belong to valve technology field.
Background technique
Relief valve uses the active link place with various machineries, be used for the activity displacement of control and solid mechanical, the relief valve of at present comparatively common use mostly is the air spring structure, in use easily be subjected to displacement, cause the generation of accident, this relief valve easily damages simultaneously, and working life is short, has increased the cost of enterprise.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of Double-loop safety valve, the present invention is simple in structure, it is little to take up room, level of integrated system is high, long service life, adopts the double loop valve body, and high working efficiency, reliability are strong.
The present invention adopts following technological scheme to achieve these goals:
Double-loop safety valve, comprise valve body, it is characterized in that: the left and right both ends open of described valve body all is equipped with plug screw, the inner chamber of described valve body is provided with horizontal piston, described horizontal piston is installed between the plug screw at two ends, described horizontal piston inner sleeve is equipped with spring, also is provided with back-up ring in the middle of the described horizontal piston, and described valve body top has a pair of mounting hole.
Described Double-loop safety valve is characterized in that: be provided with O-ring seals between described plug screw and the valve body.
Described Double-loop safety valve is characterized in that: be provided with O-ring seals between described horizontal piston and the valve body.
Advantage of the present invention:
The present invention is simple in structure, it is little to take up room, level of integrated system is high, long service life, adopts the double loop valve body, and high working efficiency, reliability are strong.
Description of drawings
Fig. 1 structural representation of the present invention.
Embodiment
Embodiment: with reference to the accompanying drawings 1, Double-loop safety valve, comprise valve body 1, the left and right both ends open of valve body 1 all is equipped with plug screw 2, and the inner chamber of valve body 1 is provided with horizontal piston 3, horizontal piston 3 is installed between the plug screw 2 at two ends, horizontal piston 3 inner sleeves are equipped with spring 4, also are provided with back-up ring 5 in the middle of the horizontal piston 3, and valve body 1 top has a pair of mounting hole 6, be provided with O-ring seals 7 between plug screw 2 and the valve body 1, be provided with O-ring seals 8 between horizontal piston 3 and the valve body 1.
Claims (3)
1. Double-loop safety valve, comprise valve body, it is characterized in that: the left and right both ends open of described valve body all is equipped with plug screw, the inner chamber of described valve body is provided with horizontal piston, described horizontal piston is installed between the plug screw at two ends, described horizontal piston inner sleeve is equipped with spring, also is provided with back-up ring in the middle of the described horizontal piston, and described valve body top has a pair of mounting hole.
2. Double-loop safety valve according to claim 1 is characterized in that: be provided with O-ring seals between described plug screw and the valve body.
3. Double-loop safety valve according to claim 1 is characterized in that: be provided with O-ring seals between described horizontal piston and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102886579A CN103016792A (en) | 2011-09-27 | 2011-09-27 | Double-loop safe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102886579A CN103016792A (en) | 2011-09-27 | 2011-09-27 | Double-loop safe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103016792A true CN103016792A (en) | 2013-04-03 |
Family
ID=47965722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102886579A Pending CN103016792A (en) | 2011-09-27 | 2011-09-27 | Double-loop safe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916424A (en) * | 2018-09-28 | 2018-11-30 | 哈尔滨玄智科技有限公司 | A kind of natural gas line valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH472222A (en) * | 1966-05-23 | 1969-05-15 | Rickenbach Hugo | Valve for protective structures |
| US3683957A (en) * | 1970-09-29 | 1972-08-15 | Asa D Sands | Safety valve |
| US4128113A (en) * | 1976-08-27 | 1978-12-05 | The United States Of America As Represented By The Secretary Of The Air Force | Double plug shuttle valve |
| CN1448650A (en) * | 2002-04-03 | 2003-10-15 | 汉斯萨塞拉思有限责任公司 | Valve arrangement for a back flow preventer |
| JP2008101733A (en) * | 2006-10-20 | 2008-05-01 | Saginomiya Seisakusho Inc | Differential pressure-regulating valve and air-conditioning equipment |
| CN201288863Y (en) * | 2008-10-22 | 2009-08-12 | 上海立新液压有限公司 | Superpose installation pilot-controlled check valve |
| CN201301988Y (en) * | 2008-11-25 | 2009-09-02 | 东莞市格瑞机械有限公司 | Three-way bidirectional check valve |
| CN101655167A (en) * | 2009-06-23 | 2010-02-24 | 吴俊伟 | Double-valve integrated disk valve |
| CN202082446U (en) * | 2011-05-03 | 2011-12-21 | 张贵平 | Two-circuit safety valve |
| CN202302102U (en) * | 2011-09-27 | 2012-07-04 | 芜湖市安芜汽车制动元件有限公司 | Double-loop safety valve |
-
2011
- 2011-09-27 CN CN2011102886579A patent/CN103016792A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH472222A (en) * | 1966-05-23 | 1969-05-15 | Rickenbach Hugo | Valve for protective structures |
| US3683957A (en) * | 1970-09-29 | 1972-08-15 | Asa D Sands | Safety valve |
| US4128113A (en) * | 1976-08-27 | 1978-12-05 | The United States Of America As Represented By The Secretary Of The Air Force | Double plug shuttle valve |
| CN1448650A (en) * | 2002-04-03 | 2003-10-15 | 汉斯萨塞拉思有限责任公司 | Valve arrangement for a back flow preventer |
| JP2008101733A (en) * | 2006-10-20 | 2008-05-01 | Saginomiya Seisakusho Inc | Differential pressure-regulating valve and air-conditioning equipment |
| CN201288863Y (en) * | 2008-10-22 | 2009-08-12 | 上海立新液压有限公司 | Superpose installation pilot-controlled check valve |
| CN201301988Y (en) * | 2008-11-25 | 2009-09-02 | 东莞市格瑞机械有限公司 | Three-way bidirectional check valve |
| CN101655167A (en) * | 2009-06-23 | 2010-02-24 | 吴俊伟 | Double-valve integrated disk valve |
| CN202082446U (en) * | 2011-05-03 | 2011-12-21 | 张贵平 | Two-circuit safety valve |
| CN202302102U (en) * | 2011-09-27 | 2012-07-04 | 芜湖市安芜汽车制动元件有限公司 | Double-loop safety valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916424A (en) * | 2018-09-28 | 2018-11-30 | 哈尔滨玄智科技有限公司 | A kind of natural gas line valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103953372A (en) | Nitrogen safety valve used by coalmine fully-mechanized mining hydraulic bracket | |
| CN103016792A (en) | Double-loop safe valve | |
| CN202302102U (en) | Double-loop safety valve | |
| CN203463520U (en) | Brake caliper with split-structure caliper body | |
| CN205089725U (en) | Self -lock device of cylinder for environmental sanitation special car | |
| CN202560255U (en) | Inserting type hard sealing bidirectional lock | |
| CN201461614U (en) | Pressure damper | |
| CN203488614U (en) | Double-pressing damping spring device | |
| CN203347817U (en) | Middle flow balance reversible lock | |
| CN105422537B (en) | Pressure-increasing overflow valve | |
| CN201487309U (en) | High-pressure check valve | |
| CN203308490U (en) | High-flow balancing two-way lock | |
| CN203641577U (en) | Lifting valve block structure in multi-way valve | |
| CN203604316U (en) | Pulling tower oil cylinder | |
| CN202294782U (en) | Quick release valve | |
| CN202834224U (en) | Improved plate type one-way valve | |
| CN201934109U (en) | Ultra-large-flow safety valve | |
| CN201083288Y (en) | One-way valve | |
| CN204458626U (en) | A kind of oil-leakage-prevention oil cylinder with Sealing | |
| CN202673827U (en) | Novel self-locking oil cylinder | |
| CN203783893U (en) | Gear pump internally provided with unloading device | |
| CN203308480U (en) | Cartridge-type medium-flow balance two-way lock | |
| CN202867419U (en) | Hydraulic cylinder buffering structure | |
| CN103291339A (en) | Medium flow balancing two-way lock | |
| CN203347811U (en) | Inserted mass flow balance reversible lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130403 |