CN106382398B - relief valve - Google Patents
relief valve Download PDFInfo
- Publication number
- CN106382398B CN106382398B CN201610884722.7A CN201610884722A CN106382398B CN 106382398 B CN106382398 B CN 106382398B CN 201610884722 A CN201610884722 A CN 201610884722A CN 106382398 B CN106382398 B CN 106382398B
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- China
- Prior art keywords
- pressure release
- valve
- guide rod
- pressure
- oil
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The present invention proposes that a kind of relief valve, valve body both ends are valve bottom and valve head, and inside is valve chamber；Valve chamber is pressure-releasing chamber and working chamber by pressure release barrier partitions；Pressure release baffle sets pressure release seal groove；The first guide rod is set in pressure-releasing chamber, pressure release core is arranged on the first guide rod, and pressure release core includes pressure release guide pad, pressure release sealing element and the second guide rod；Pressure release spring is arranged on first guide rod；It is arranged on second guide rod for wick, includes fuel feeding guide pad and for oil seal for wick；Fuel feeding spring is arranged on second guide rod；Entrance is set on valve head, entrance sets fuel feeding seal groove；It limits in working chamber a plush copper；Oil-feed port and gas outlet are opened on valve body between limit plush copper and pressure release baffle；Pressure relief opening is opened on the valve body at valve bottom；Pressure release core connects hand-operated valve by pull rod.Structure of the invention is compact, small, simple for process；Not only it can guarantee the stability of oil-feed port oil pump capacity, but also be avoided that the oil that pressure release is released is flow backwards, the bubble in oil product can also be discharged, it can manual pressure release.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, specifically a kind of relief valve.
Background technology
Relief valve also known as safety valve (safety valve) are general to install according to the operating pressure energy automatic open close of system
In protection system safety in the equipment of closed system or pipeline.When equipment or manifold pressure are more than that relief valve sets pressure,
Pressure release is automatically turned on, ensures that equipment and pipeline internal medium pressure under setting pressure, are protected equipment and pipeline, prevented
It is unexpected.
Relief valve is an important safety block in hydraulic system, and the effect of relief valve is to ensure that oil pump capacity exists
A relatively stable amount is held under any pressure, to ensure the normal operation of whole system.It is proposed it is new, more effectively make
The structure of relief valve is the continuous pursuit of this field.
Pressure-relief valve structure in the prior art is complex, and technique is cumbersome, of high cost.
Invention content
The present invention proposes a kind of relief valve, solves that pressure-relief valve structure in the prior art is complex, and technique is cumbersome, at
This high problem.
The technical proposal of the invention is realized in this way：
The both ends of a kind of relief valve, including valve body, the valve body are respectively valve bottom and valve head, are valve chamber in the valve body；
The middle part of the valve chamber is equipped with pressure release baffle, and the valve chamber is divided into pressure-releasing chamber and work by the pressure release baffle
Chamber；
The middle part of the pressure release baffle is equipped with through-hole, and the pressure release baffle is close equipped with pressure release towards the side of the pressure-releasing chamber
Sealing groove, the pressure release seal groove surround the through-hole one week；
The first guide rod is equipped in the pressure-releasing chamber, one end of first guide rod is fixed on the valve bottom；
Pressure release core is arranged on first guide rod, the pressure release core includes sequentially connected pressure release guide pad, pressure release
Sealing element and the second guide rod, the pressure release guide pad and pressure release sealing element are sheathed on first guide rod；The pressure release
Sealing element is used cooperatively with the pressure release seal groove；Pressure release spring, pressure release spring position are arranged on first guide rod
Between the valve bottom and pressure release guide pad；
It is arranged with for wick on second guide rod, described for wick includes sequentially connected fuel feeding guide pad and circular cone
Shape for oil seal；Fuel feeding spring is arranged on second guide rod, the fuel feeding spring is located at the pressure release sealing element
Between the fuel feeding guide pad；
The valve head is equipped with entrance, and the entrance is equipped with and the fuel feeding seal groove being used cooperatively for oil seal；
The limit plush copper limited to the displacement for wick is equipped in the working chamber；
Oil-feed port and gas outlet, the oil-feed port are offered on valve body between the limit plush copper and the pressure release baffle
It is connected to gas outlet with the working chamber；
Pressure relief opening is offered on the valve body at the valve bottom, the pressure relief opening is connected to the pressure-releasing chamber；
The oil-feed port and pressure relief opening are located at the lower section of the valve body, and the gas outlet is located at the top of the valve body；
The pressure release core is connected with pull rod, and the pull rod is parallel with first guide rod；The tail end of the pull rod extends
Go out the valve bottom；The tail end of the pull rod is connect with the hand-operated valve set on the valve bottom.
Further, the first adjusting nut, first adjusting nut are equipped between the pressure release spring and the valve bottom
It is screwed on first guide rod.
Further, the second adjusting nut is equipped between the fuel feeding spring and the pressure release sealing element, described second adjusts
Section nut is screwed on second guide rod.
Further, the pressure release seal groove is the groove that section is triangle；The pressure release sealing element includes a disk,
The sealing bulge loop that the disk is equipped with the matched section of pressure release seal groove is triangle.
Further, the first sealing material layer is equipped in the pressure release seal groove.
Further, the fuel feeding seal groove is with described for the matched round platform connected in star of oil seal.
Further, the second sealing material layer is equipped in the fuel feeding seal groove.
Further, the internal diameter of the gas outlet on the outside of the working chamber laterally valve body by being gradually reduced；Close to institute
It states and is provided with filter plate on the gas outlet of working chamber side, a ball sealer, the diameter of the ball sealer are equipped in the gas outlet
More than the internal diameter of the gas outlet on the outside of the valve body.
Further, the hand-operated valve includes support portion and lever portion；
The support portion is set to the valve bottom, has rod cavity among the support portion, and being equipped with third in the rod cavity is oriented to
The both ends of bar, the third guide rod are against the both ends of the rod cavity；
The support portion is equipped with towards the side of the tail end of the pull rod and penetrates hole, described to penetrate between hole and the valve bottom
Support portion formed support base；
The support portion is equipped with break-through slot backwards to the side of the tail end of the pull rod；
One end of the lever portion and the tail end of the pull rod are hinged；The lever portion the other end warp described in penetrate hole,
Rod cavity and break-through slot are arranged in the support portion, and there is reach through hole, the third guide rod to be arranged in institute in the lever portion
It states in reach through hole；
Be arranged with third spring on the third guide rod, the third spring be located at the lever portion and the valve bottom it
Between.
Beneficial effects of the present invention are：
Present invention design is simple, and compact-sized, small, simple process and low cost is honest and clean；When oil pressure does not reach critical value
When, only fuel feeding spring stress compress, can by oil-feed port carry out fuel feeding, when oil pressure be more than critical value when, pressure release spring also by
Force compresses, then excessive oil can be discharged from pressure relief opening, ensure oil-feed port oil pump capacity stability；In non-draining, pressure release sealing
Part is closely pressed with pressure release seal groove, and the oil that pressure release is released is avoided to flow backwards；The bubble in oil can be discharged for gas outlet；It can be with
Manual pressure release, using flexible are carried out by hand-operated valve.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the enlarged structure schematic diagram at hand-operated valve.
Wherein：
1, valve body；2, valve bottom；3, valve head；4, pressure release baffle；5, pressure-releasing chamber；6, working chamber；7, pressure release seal groove；8, first
Guide rod；9, pressure release guide pad；10, pressure release sealing element；11, the second guide rod；12, bulge loop is sealed；13, the first sealing material
Layer；14, pressure release spring；15, the first adjusting nut；16, fuel feeding guide pad；17, for oil seal；18, fuel feeding spring；19,
Two adjusting nuts；20, entrance；21, fuel feeding seal groove；22, the second sealing material layer；23, plush copper is limited；24, oil-feed port；25、
Pressure relief opening；26, pull rod；27, hand-operated valve；28, support portion；29, lever portion；30, rod cavity；31, third guide rod；32, hole is penetrated；
33, support base；34, break-through slot；35, reach through hole；36, third spring；37, gas outlet；38, filter plate；39, ball sealer.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the relief valve in the present embodiment, including valve body 1, the both ends of the valve body 1 are respectively valve bottom 2 and valve
First 3, the interior valve body 1 is valve chamber, and valve body 1 and valve chamber are all cylinder.The middle part of the valve chamber is equipped with pressure release baffle 4, pressure release
Baffle 4 is circle, and the excircle of pressure release baffle 4 is bonded with the inner wall of valve body 1, and the valve chamber is divided by the pressure release baffle 4
Pressure-releasing chamber 5 and working chamber 6.The middle part of the pressure release baffle 4 is equipped with through-hole, the pressure release baffle 4 towards the one of the pressure-releasing chamber 5
Side is equipped with pressure release seal groove 7, and the pressure release seal groove 7 surround the through-hole one week.
The first guide rod 8 is equipped in the pressure-releasing chamber 5, one end of first guide rod 8 is fixed on the valve bottom 2,
First guide rod 8 is located on the axle center of pressure-releasing chamber 5.Be arranged with pressure release core on first guide rod 8, the pressure release core include according to
Pressure release guide pad 9, pressure release sealing element 10 and the second guide rod 11 of secondary connection, the pressure release guide pad 9 and pressure release sealing element 10
It is sheathed on first guide rod 8；The pressure release sealing element 10 is used cooperatively with the pressure release seal groove 7, in the present embodiment,
The pressure release seal groove 7 is the groove that section is triangle；The pressure release sealing element 10 includes a disk, and the disk is equipped with
With the sealing bulge loop 12 that 7 matched section of the pressure release seal groove is triangle, the pressure release seal groove 7 is interior to be equipped with the first sealing
Material layer 13, to improve leakproofness；Pressure release spring 14 is arranged on first guide rod 8, the pressure release spring 14 is located at institute
It states between valve bottom 2 and pressure release guide pad 9.First is equipped in the present embodiment, between the pressure release spring 14 and the valve bottom 2 to adjust
Nut 15, first adjusting nut 15 are screwed on first guide rod 8.The position of the first adjusting nut 15 of adjusting can be passed through
It sets to adjust the pressure of pressure release spring 14.
Second guide rod 11 is located on the axle center of the valve chamber, is arranged with for wick on second guide rod 11, described
For wick include sequentially connected fuel feeding guide pad 16 and cone for oil seal 17；It is arranged on second guide rod 11
There is fuel feeding spring 18, the fuel feeding spring 18 is between the pressure release sealing element 10 and the fuel feeding guide pad 16.This implementation
In example, the second adjusting nut 19, second adjusting nut are equipped between the fuel feeding spring 18 and the pressure release sealing element 10
19 are screwed on second guide rod 11.The pressure of fuel feeding spring 18 can be adjusted by adjusting the position of the second adjusting nut 19
Power.
The valve head 3 is equipped with entrance 20, and the entrance 20 is equipped with and the fuel feeding being used cooperatively for oil seal 17
Seal groove 21.In the present embodiment, the fuel feeding seal groove 21 be with described for 17 matched round platform connected in star of oil seal, it is described
The second sealing material layer 22 is equipped in fuel feeding seal groove 21, to ensure leakproofness.
The limit plush copper 23 limited to the displacement for wick is equipped in the working chamber 6.In the present embodiment, limit
The quantity of position plush copper 23 is two, is relatively arranged on the inner wall of valve chamber, and the gap between two limit plush coppers 23 is permissible to be supplied
Oily guide pad 16 passes through, but can stop for oil seal 17, to realize position-limiting action, and will not stop passing through for oil.
Oil-feed port 24 and gas outlet 37, institute are offered on valve body 1 between the limit plush copper 23 and the pressure release baffle 4
It states oil-feed port 24 and gas outlet 37 is connected to the working chamber 6.Pressure relief opening 25, institute are offered on the valve body 1 at the valve bottom 2
Pressure relief opening 25 is stated to be connected to the pressure-releasing chamber 5；The oil-feed port 24 and pressure relief opening 25 are located at the lower section of the valve body 1, it is described go out
Gas port 37 is located at the top of the valve body 1.
In the present embodiment, the internal diameter of the gas outlet 37 is gradually reduced by lateral 1 outside of the valve body of the working chamber 6；
It is provided with filter plate 38 on the gas outlet 37 of 6 side of the working chamber, a ball sealer 39, institute are equipped in the gas outlet 37
The diameter for stating ball sealer 39 is more than the internal diameter of the gas outlet 37 close to 1 outside of the valve body.Then under normal conditions, ball sealer 39 is put
It sets on the filter plate 38, there are gap between ball sealer 39 and gas outlet 37, the oil entered from entrance 20 reaches working chamber 6
Inside cached, if there are bubbles, bubble to rise in oil, and after the filtering of filter plate 38, from ball sealer 39 and outlet
Gap discharge between mouth 37；After the gas in working chamber 6 empties, with the raising of the liquid level of oil, ball sealer 39 can float
It rises until gas outlet 37 is sealed, then oil is sealed in working chamber 6.
Referring to Fig. 2, the pressure release core is connected with pull rod 26, and the pull rod 26 is parallel with first guide rod 8；The drawing
The tail end of bar 26 extends the valve bottom 2；The tail end of the pull rod 26 is connect with the hand-operated valve 27 set on the valve bottom 2.This reality
It applies in example, the hand-operated valve 27 includes support portion 28 and lever portion 29；The support portion 28 is set to the valve bottom 2, the support
There is rod cavity 30 among portion 28, be equipped with third guide rod 31 in the rod cavity 30, the both ends of the third guide rod 31 are against institute
State the both ends of rod cavity 30；The support portion 28 is equipped with towards the side of the tail end of the pull rod 26 and penetrates hole 32, described to penetrate hole
Support portion 28 between 32 and the valve bottom 2 forms support base 33；The support portion 28 backwards to the pull rod 26 tail end one
Side is equipped with break-through slot 34；One end of the lever portion 29 and the tail end of the pull rod 26 are hinged；The other end of the lever portion 29
It is arranged in the support portion 28 through hole 32, rod cavity 30 and the break-through slot 34 of penetrating, there is reach through hole in the lever portion 29
35, the third guide rod 31 is arranged in the reach through hole 35, and the diameter of reach through hole 35 is greater than third guide rod 31 here
Diameter so that lever portion 29 can be moved in the axial direction of lever portion 29, to adapt to the offset that generates when pull rod 26 pulls out；
Third spring 36 is arranged on the third guide rod 31, the third spring 36 is located at the lever portion 29 and the valve bottom 2
Between.
When the present embodiment works, oil enters from entrance 20, and fuel feeding spring 18 is compressed under the action of oil pressure, after wick
It moves, oil enters working chamber 6 from entrance 20, then is flowed out from oil-feed port 24 and carry out fuel feeding；When the oil pressure entered from entrance 20 is excessive,
Pressure release spring 14 is compressed, and is moved after pressure release core, then excessive oil enters pressure-releasing chamber 5, then is discharged from pressure relief opening 25, to ensure fuel feeding
The stabilization of 24 fuel deliveries of mouth.In non-draining, pressure release sealing element 10 is closely pressed with pressure release seal groove 7, and pressure release is avoided to release
Oil is flow backwards.
Manual pressure release can be carried out by hand-operated valve 27, press the tail end of lever portion 29, then lever portion 29 is with support base 33
It is rotated for fulcrum, pull rod 26 is pulled out, and then moved after driving pressure release core, realize pressure release.After the completion of pressure release, lever portion 29 exists
It being resetted under the action of pressure release spring 14 and third spring 36, setting third spring 36 plays booster action for pressure release spring 36,
Improve the reset function of the leakproofness and pressure release core of pressure release sealing element 10.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of relief valve, which is characterized in that including valve body, the both ends of the valve body are respectively valve bottom and valve head, the valve body
Interior is valve chamber；
The middle part of the valve chamber is equipped with pressure release baffle, and the valve chamber is divided into pressure-releasing chamber and working chamber by the pressure release baffle；
The middle part of the pressure release baffle is equipped with through-hole, and the pressure release baffle is sealed towards the side of the pressure-releasing chamber equipped with pressure release
Slot, the pressure release seal groove surround the through-hole one week；
The first guide rod is equipped in the pressure-releasing chamber, one end of first guide rod is fixed on the valve bottom；
Pressure release core is arranged on first guide rod, the pressure release core includes sequentially connected pressure release guide pad, pressure release sealing
Part and the second guide rod, the pressure release guide pad and pressure release sealing element are sheathed on first guide rod；The pressure release sealing
Part is used cooperatively with the pressure release seal groove；Pressure release spring is arranged on first guide rod, the pressure release spring is located at institute
It states between valve bottom and pressure release guide pad；
Be arranged with for wick on second guide rod, it is described for wick include sequentially connected fuel feeding guide pad and cone
For oil seal；Fuel feeding spring is arranged on second guide rod, the fuel feeding spring is located at the pressure release sealing element and institute
It states between fuel feeding guide pad；
The valve head is equipped with entrance, and the entrance is equipped with and the fuel feeding seal groove being used cooperatively for oil seal；
The limit plush copper limited to the displacement for wick is equipped in the working chamber；
Oil-feed port and gas outlet are offered on valve body between the limit plush copper and the pressure release baffle, the oil-feed port and are gone out
Gas port is connected to the working chamber；
Pressure relief opening is offered on the valve body at the valve bottom, the pressure relief opening is connected to the pressure-releasing chamber；
The oil-feed port and pressure relief opening are located at the lower section of the valve body, and the gas outlet is located at the top of the valve body；
The pressure release core is connected with pull rod, and the pull rod is parallel with first guide rod；The tail end of the pull rod extends institute
State valve bottom；The tail end of the pull rod is connect with the hand-operated valve set on the valve bottom.
2. relief valve as described in claim 1, which is characterized in that be equipped with first between the pressure release spring and the valve bottom and adjust
Nut is saved, first adjusting nut is screwed on first guide rod.
3. relief valve as claimed in claim 2, which is characterized in that be equipped between the fuel feeding spring and the pressure release sealing element
Second adjusting nut, second adjusting nut are screwed on second guide rod.
4. relief valve as claimed in claim 3, which is characterized in that the pressure release seal groove is the groove that section is triangle；
The pressure release sealing element includes a disk, and it is the close of triangle that the disk, which is equipped with the matched section of pressure release seal groove,
Seal bulge loop.
5. relief valve as claimed in claim 4, which is characterized in that be equipped with the first sealing material layer in the pressure release seal groove.
6. relief valve as claimed in claim 5, which is characterized in that the fuel feeding seal groove is to be matched for oil seal with described
Round platform connected in star.
7. relief valve as claimed in claim 6, which is characterized in that be equipped with the second sealing material layer in the fuel feeding seal groove.
8. relief valve as claimed in claim 7, which is characterized in that the internal diameter of the gas outlet is laterally described by the working chamber
It is gradually reduced on the outside of valve body；It is provided with filter plate on the gas outlet of the working chamber side, one is equipped in the gas outlet
Ball sealer, the diameter of the ball sealer are more than the internal diameter of the gas outlet on the outside of the valve body.
9. relief valve as claimed in claim 8, which is characterized in that the hand-operated valve includes support portion and lever portion；
The support portion is set to the valve bottom, has rod cavity among the support portion, third guide rod, institute are equipped in the rod cavity
The both ends for stating third guide rod are against the both ends of the rod cavity；
The support portion is equipped with towards the side of the tail end of the pull rod and penetrates hole, the branch penetrated between hole and the valve bottom
Support part forms support base；
The support portion is equipped with break-through slot backwards to the side of the tail end of the pull rod；
One end of the lever portion and the tail end of the pull rod are hinged；Hole, rod cavity are penetrated described in the other end warp of the lever portion
It is arranged in the support portion with break-through slot, there is reach through hole, the third guide rod to be arranged in described wear in the lever portion
In through-hole；
Third spring is arranged on the third guide rod, the third spring is between the lever portion and the valve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884722.7A CN106382398B (en) | 2016-10-10 | 2016-10-10 | relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884722.7A CN106382398B (en) | 2016-10-10 | 2016-10-10 | relief valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382398A CN106382398A (en) | 2017-02-08 |
| CN106382398B true CN106382398B (en) | 2018-09-28 |
Family
ID=57937203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610884722.7A Active CN106382398B (en) | 2016-10-10 | 2016-10-10 | relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382398B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397583B (en) * | 2018-03-08 | 2019-12-10 | 浙江华益精密机械股份有限公司 | Safety valve and wall-mounted furnace heating system using same |
| CN109372056A (en) * | 2018-10-20 | 2019-02-22 | 华北理工大学 | Rain collector |
| CN111878607A (en) * | 2019-09-05 | 2020-11-03 | 杨锋 | Pressure adjusting method of pressure relief valve |
| CN113898560A (en) * | 2021-08-30 | 2022-01-07 | 谭浩 | Pressure-relief-preventing energy-saving gas compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3901032C1 (en) * | 1989-01-14 | 1990-02-08 | Danfoss A/S, Nordborg, Dk | |
| CN2641412Y (en) * | 2003-07-18 | 2004-09-15 | 邵建昌 | Single diection, safety decompression valve |
| CN202768966U (en) * | 2012-09-06 | 2013-03-06 | 沈阳光正工业有限公司 | Overpressure protective device of pipeline |
| CN203926962U (en) * | 2014-04-18 | 2014-11-05 | 丹阳市飞轮气体阀门有限公司 | A kind of cryogenic insulated cylinder safety valve solar term seat |
| CN204153248U (en) * | 2014-10-17 | 2015-02-11 | 莱芜钢铁集团电子有限公司 | A kind of overflow modulating valve |
| CN104373646A (en) * | 2014-11-13 | 2015-02-25 | 常州市华贤五金厂 | Pilot-operated air pressure safety valve |
| CN205534436U (en) * | 2016-04-07 | 2016-08-31 | 中广核核电运营有限公司 | Active definite value adjustable pressure discharge protection device of piston non - |
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2016
- 2016-10-10 CN CN201610884722.7A patent/CN106382398B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106382398A (en) | 2017-02-08 |
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