CN108131477A - A kind of pressure relief safety valve - Google Patents
A kind of pressure relief safety valve Download PDFInfo
- Publication number
- CN108131477A CN108131477A CN201711346898.8A CN201711346898A CN108131477A CN 108131477 A CN108131477 A CN 108131477A CN 201711346898 A CN201711346898 A CN 201711346898A CN 108131477 A CN108131477 A CN 108131477A
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- Prior art keywords
- guide rod
- gravity
- tabletting
- straight tube
- safety valve
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- 230000005484 gravity Effects 0.000 claims abstract description 112
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 35
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to valve technology field more particularly to a kind of pressure relief safety valves.Pressure relief safety valve includes：Guide rod, gravity tabletting, straight tube and limiting component；Through-hole is provided in straight tube, through-hole is used for the circulation of medium；The quantity of gravity tabletting is at least one, and each gravity pressure on piece is provided with pilot hole；Guide rod is plugged in the pilot hole of each gravity tabletting, and pilot hole and guide rod clearance fit are moved for each gravity tabletting by pilot hole along guide rod；The first end of guide rod is connect with limiting component, and limiting component is used to form extreme position of the gravity tabletting in guide rod first end, and the second end of guide rod is connect with straight tube；It is engaged close to the gravity tabletting of guide rod second end and the first end face of straight tube, forms the switch of flow of media.The pressure relief safety valve vent pressure of the present invention is adjustable and pressure release will not be caused to fail when stuck.
Description
Technical field
The present invention relates to valve technology field more particularly to a kind of pressure relief safety valves.
Background technology
Safety valve is that opening and closing element is in normally off by external force effect, when the pressure medium in equipment or pipeline is more than regulation
During value, by outside system discharge medium prevent the Special valve that pressure medium in pipeline or equipment is more than specified value.Peace
Full valve belongs to automatic valve class, is mainly used for boiler, pressure vessels and pipes, can control pressure be no more than specified value, so as to right
Personal safety and equipment have run important protective effect.
A kind of safety valve of the prior art pushes down discharge orifice, when pressure medium liter using the weight being arranged in hollow cylinder
When height is to specified value, high-pressure medium acts on weight from discharge orifice, and the weight in hollow cylinder is jacked up, and weight is along hollow
The inner wall of cylinder rises, and discharge orifice is thoroughly opened, and high-pressure medium is flowed out from discharge orifice, until the pressure value of high-pressure medium drops to rule
Definite value hereinafter, weight the pressure of gravity and medium effect under again along the inner wall of hollow cylinder fall, discharge orifice is blocked again,
At this point, the pressure medium inside water-tight equipment is in specified value hereinafter, ensure that the safe to use and operating personnel of water-tight equipment
Life safety.
The deficiency of above-mentioned safety valve is：1st, when weight rises or falls in hollow cylinder, easily because of weight stress
Imbalance causes weight to be stuck in the inside of hollow cylinder, the problem of pressure release is caused to fail；2nd, the gravity of weight be certain certain value, medium
Pressure is more than weight gravity, and valve is opened, and pressure medium is less than weight gravity, and valve is closed, so the unlatching of this safety valve
Pressure is related with the gravity of weight, is certain certain value, can not adjust.
It therefore, need a kind of vent pressure be adjustable and pressure relief safety valve that pressure release will not be caused when stuck to fail.
Invention content
(1) technical problems to be solved
A kind of pressure release adjustable the purpose of the present invention is to provide vent pressure and that pressure release will not be caused when stuck to fail
Safety valve.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include：
The present invention provides a kind of pressure relief safety valve.Specifically, which includes：Guide rod, gravity tabletting, straight tube
And limiting component；
Through-hole is provided in straight tube, through-hole is used for the circulation of medium；
The quantity of gravity tabletting is at least one, and each gravity pressure on piece is provided with pilot hole；
Guide rod is plugged in the pilot hole of each gravity tabletting, pilot hole and guide rod clearance fit, for each weighing
Piece is forced to move along guide rod by pilot hole；
The first end of guide rod is connect with limiting component, and limiting component is used to form gravity tabletting in guide rod first end
Extreme position, the second end of guide rod are connect with straight tube；
It is engaged close to the gravity tabletting of guide rod second end and the first end face of straight tube, forms opening for flow of media
It closes.
Further, pressure relief safety valve of the invention further includes：
Pedestal, the second end of guide rod are connect with straight tube by pedestal, the connection of the outer wall of pedestal and straight tube, and the of guide rod
Two ends are connect with pedestal；
Straight tube is pipe；
Pedestal is thin plate annulus, and pedestal is plugged in straight tube.
Further, the first location structure is provided on the outer wall of straight tube, the first location structure is used to be plugged in pedestal
The position positioning of straight tube.
Further, base holes are provided on pedestal, the second end of guide rod is plugged in base holes.
Further, guide rod is provided with the second location structure, and the second location structure is used to plug guide rod second end
It is positioned in the position of base holes.
Further, multiple base holes are symmetrically arranged on pedestal；
The quantity of the pilot hole of each gravity pressure on piece setting is equal with the quantity of base holes, and multiple pilot holes are symmetrically set
It puts in gravity pressure on piece；
The quantity of guide rod is equal with the quantity of base holes, and each guide rod is plugged in a guiding of each gravity tabletting
Kong Zhong, the second segment of each guide rod are plugged in a base holes.
Further, limiting component includes a limiting plate, and the first end of each guide rod is connect with limiting plate.
Further, limiting component further includes a side plate, and one end of side plate is connect with limiting plate, and side plate is used for medium
Flow direction be oriented to.
Further, pressure relief safety valve of the invention further includes：
Buffer unit, buffer unit are arranged on the first end of straight tube, and buffer unit is for buffering when gravity pressure piece declines pair
Impact caused by the first end of straight tube.
Further, set on buffer unit it is jagged, notch cause gravity tabletting close to guide rod second end with it is straight
The first end face of cylinder forms a medium channel, and medium channel is used to ensure safety.
(3) advantageous effect
The beneficial effects of the invention are as follows：
The pressure relief safety valve of the present invention, is formed using gravity tabletting contact with straight tube first end face in straight tube interior bone
The switch of flow of media, when weight of the pressure medium more than gravity tabletting, the first end face of gravity tabletting and straight tube disengages,
Medium is flowed out from the through-hole of straight tube, until pressure medium is less than the weight of gravity tabletting, gravity tabletting again with straight tube first
End face is engaged, and completes pressure release；
The pressure relief safety valve of the present invention, the cooperation of pilot hole and guide rod set by gravity pressure on piece form counterweight
The control of piece moving direction is forced, avoids the problem that gravity tabletting causes pressure release to be failed because stuck；
The pressure relief safety valve of the present invention, when the through-hole of straight tube determines, the weight of each gravity tabletting is fixed, certain amount
The total weight of gravity tabletting fix, the quantity for passing through gravity tabletting controls the total weight of gravity tabletting, you can is accurately controlled
The size of vent pressure during use, whole process need not coordinate external pressure gauge to realize.
The pressure relief safety valve of the present invention, when the quantity of gravity tabletting is fixed, i.e. the total weight of gravity tabletting is fixed, straight tube
The pore size of through-hole can influence active area of the medium to gravity pressure piece, so as to influence the big of pressure that gravity tabletting is subject to
It is small, so, the pressure release peace of the pore size combined influence present invention of the through-hole set in the weight and straight tube of each gravity tabletting
The vent pressure size of full valve, the weight of size and each gravity tabletting by the aperture for controlling the through-hole set in straight tube can
To design the least regulating amount of vent pressure.
To sum up, pressure relief safety valve vent pressure of the invention is adjustable and pressure release will not be caused to fail when stuck.
Description of the drawings
Fig. 1 is the exploded view of pressure relief safety valve in specific embodiment；
Fig. 2 is the structure diagram of pressure relief safety valve in specific embodiment.
【Reference sign】
In figure：
1：Straight tube；11：Through-hole；
2：Gravity tabletting；21：Pilot hole；
3：Guide rod；
4：Pedestal；41：Base holes；
5：Limiting component；51：Limiting plate；52：Side plate；
6：Buffer unit.
Specific embodiment
In order to preferably explain the present invention, in order to understand, below in conjunction with the accompanying drawings, by specific embodiment, to this hair
It is bright to be described in detail.
Referring to figs. 1 to Fig. 2, the present embodiment provides a kind of pressure relief safety valves.The pressure relief safety valve includes at least：Guide rod 3,
Gravity tabletting 2, straight tube 1 and limiting component 5.In the present embodiment the first end of the first end of guide rod 3 and straight tube 1 refer both to Fig. 1 with
One end above in Fig. 2, the second end of guide rod 3 refer both to one end below in Fig. 1 and Fig. 2 with the second end of straight tube 1.This implementation
In example, medium refers to the gas or liquid in the equipment of pressure relief safety valve protection.
As shown in Figure 1, straight tube 1 is pipe, through-hole 11 is provided in straight tube 1, through-hole 11 is used for the circulation of medium.Pressure release
When, the second end of medium via through holes 11 from straight tube 1 flows to the first end of straight tube 1.The quantity of gravity tabletting 2 is at least one, often
Pilot hole 21 is provided in a gravity tabletting 2.Guide rod 3 is plugged in the pilot hole 21 of each gravity tabletting 2,21 He of pilot hole
3 clearance fit of guide rod is moved for each gravity tabletting 2 by pilot hole 21 along guide rod 3.Clearance fit can ensure often
A gravity tabletting 2 by pilot hole 21 along guide rod 3 move when unimpeded and shift position will not shift.The of guide rod 3
One end is connect with limiting component 5, and limiting component 5 is used to form extreme position of the gravity tabletting 2 in 3 first end of guide rod, specifically
Ground, limiting component 5 include a limiting plate 51, and the first end of each guide rod 3 is connect with limiting plate 51, it is preferable that is being limited
Threaded hole is provided on plate 51, limiting plate 51 and the second end of guide rod 3 are fixed by screw.When gravity tabletting 2 passes through guiding
When hole 21 is moved to the second end of guide rod 3 along guide rod 3, the fixation between limiting plate 51 and guide rod 3 plays gravity pressure piece 2
Inhibition prevents gravity tabletting 2 to be detached from guide rod 3 and causes using security issues.Limiting component 5 further includes a side plate 52,
One end of side plate 52 is connect with limiting plate 51, and side plate 52 is used to be oriented to the flow direction of medium.Between side plate 52 and limiting plate 51 into
Angle connects, and the inner wall of side plate 52 and limiting plate 51 is in inverted bowl-type, and via through holes 11 are from the second of straight tube 1 when can be to pressure release
The medium that end flows to first end is oriented to.
As depicted in figs. 1 and 2, the second end of guide rod 3 is connect with straight tube 1.Between the second end of guide rod 3 and straight tube 1
It is directly connected to or is indirectly connected with, it is preferable that the second end of guide rod 3 is indirectly connected with straight tube 1 by pedestal 4.Specifically, bottom
Seat 4 is connect with the outer wall of straight tube 1, and the second end of guide rod 3 is connect with pedestal 4.More specifically, pedestal 4 is thin plate annulus, pedestal
4 are plugged in straight tube 1, and the first location structure is provided on the outer wall of straight tube 1, and the first location structure is cylinder step, and first is fixed
Bit architecture is used to be plugged in pedestal 4 the position positioning of straight tube 1, after pedestal 4 is plugged in straight tube 1, using welding by first
Pedestal 4 is fixedly connected with straight tube 1 at location structure.More specifically, base holes 41 are provided on pedestal 4, the second end of guide rod 3
It is plugged in base holes 41, guide rod 3 is provided with the second location structure, and the second location structure is cylinder step, and the second positioning is tied
Structure is used to be plugged in 3 second end of guide rod the position positioning of base holes 41, the second end of guide rod 3 be plugged in base holes 41 it
Afterwards, guide rod 3 at the second location structure is fixedly connected with base holes 41 using welding.Guide rod 3 is fixedly installed so that be oriented to
Bar 3 more stablizes the shift position control of gravity pressure piece 2 with pilot hole 21.
Gravity tabletting 2 and the first end face of straight tube 1 close to 3 second end of guide rod are engaged, and form flow of media
Switch.Medium acts on gravity pressure piece 2 by the through-hole 11 of straight tube 1, when pressure medium is more than the total weight of gravity tabletting 2, weight
It forces piece 2 to move along guide rod 3 by pilot hole 21, gravity tabletting 2 and the first end face of straight tube 1 disengage, and medium is from straight
The through-hole 11 of cylinder 1 flows out, and pressure medium reduces, and when pressure medium is less than the total weight of gravity tabletting 2, gravity tabletting 2 is by leading
It is moved backward to hole 21 along guide rod 3, gravity tabletting 2 contacts again with the first end face of straight tube 1, and medium can not be from straight tube 1
Through-hole 11 flows out, and completes a pressure release.Medium can not be flowed out from the through-hole 11 of straight tube 1, and pressure medium raising starts the wheel of weight one
Pressure release.
The pressure relief safety valve of the present embodiment is formed using the contact with 1 first end face of straight tube of gravity tabletting 2 inside straight tube 1
The switch of flow of media in through-hole 11, when pressure medium is more than the weight of gravity tabletting 2, gravity tabletting 2 and the first end of straight tube 1
Face disengages, and medium is flowed out from the through-hole 11 of straight tube 1, until pressure medium is less than the weight of gravity tabletting 2, gravity tabletting 2
Again the first end face with straight tube 1 is engaged, and completes pressure release.
The pressure relief safety valve of the present embodiment passes through the cooperation of pilot hole 21 and guide rod 3 set in gravity tabletting 2, shape
The control of pairs of 2 moving direction of gravity tabletting, avoids the problem that gravity tabletting 2 causes pressure release to be failed because stuck.
The pressure relief safety valve of the present embodiment, when the lighter in weight of each gravity tabletting 2, and the number of gravity tabletting 2 used
When measuring less, the total weight of gravity tabletting 2 is stronger, and it is relatively low that required pressure medium is moved in gravity tabletting 2, can be in minute-pressure
It is used in environment, accomplishes Auto-control of Micro-pressure.
The pressure relief safety valve of the present embodiment, when the through-hole 11 of straight tube 1 determines, the weight of each gravity tabletting 2 is fixed, and one
The total weight of the gravity tabletting 2 of fixed number amount is fixed, and controls the total weight of gravity tabletting 2 by the quantity of gravity tabletting 2, you can essence
The size of vent pressure, whole process need not coordinate external pressure gauge to realize during true control use.
The pressure relief safety valve of the present embodiment, when the quantity of gravity tabletting 2 is fixed, i.e. the total weight of gravity tabletting 2 is fixed,
The pore size of the through-hole 11 of straight tube 1 can influence active area of the medium to gravity pressure piece 2, so as to influence gravity tabletting 2 by
Pressure size, so, the pore size combined influence of through-hole 11 set in the weight of each gravity tabletting 2 and straight tube 1
The vent pressure size of the pressure relief safety valve of the present embodiment, by control the size in the aperture of through-hole 11 set in straight tube 1 with
The weight of each gravity tabletting 2 can design the least regulating amount of vent pressure.
The pressure relief safety valve of the present embodiment is symmetrically arranged with multiple base holes 41 on pedestal 4, is set in each gravity tabletting 2
The quantity for the pilot hole 21 put is equal with the quantity of base holes 41, and multiple pilot holes 21 are symmetricly set in gravity tabletting 2, are led
Equal with the quantity of base holes 41 to the quantity of bar 3, each guide rod 3 is plugged in a pilot hole 21 of each gravity tabletting 2
In, the second segment of each guide rod 3 is plugged in a base holes 41.Multiple base holes 41 are symmetrical arranged on pedestal 4, and each
The second segment of guide rod 3 is plugged in a base holes 41, be ensure that and is arranged in parallel between multiple guide rods 3, is arranged in parallel more
When gravity pressure piece 2 can be caused to be moved by pilot hole 21 along guide rod 3 position offset will not occur for a guide rod 3, keep away
The problem of having exempted from pressure release failure.Preferably, the quantity of base holes 41 is two or three.
The pressure relief safety valve of the present embodiment further includes：Buffer unit 6, buffer unit 6 are arranged on the first end of straight tube 1, delay
Component 6 is rushed for buffering the impact caused by the first end of straight tube 1 when gravity tabletting 2 declines.Preferably, buffer unit 6 is rubber
On the one hand glue gasket, buffer unit 6, can protect the end face of gravity pressure piece and straight tube 1, prolong the service life；It is another
Aspect, when the first end in contact of gravity tabletting 2 and straight tube 1, gravity tabletting 2 and the first end of straight tube 1 are close by buffer unit 6
Envelope ensures that medium will not overflow.Further, set jagged on buffer unit 6, notch causes close to guide rod 3 second end
The first end face of gravity tabletting 2 and straight tube 1 form a medium channel, medium channel is for ensureing safety.When the of straight tube 1
It is contacted between one end and gravity tabletting 2, gravity tabletting 2 in the presence of its gravity, compresses buffer unit 6 so that gravity tabletting 2
An environment being absolutely sealed is formed with the first end of straight tube 1, potential danger can be caused, a medium channel is set, is passed through
The pore size of control medium channel forms the control to pressure medium, so as to ensure the use of the pressure relief safety valve of the present embodiment
Safety.
The pressure relief safety valve of the present embodiment forms channel during medium aerial drainage by the through-hole 11 set in straight tube 1；Pass through
The first end face of gravity tabletting 2 and straight tube 1 forms the switch to medium current by pass；By the through-hole 11 that is set in straight tube 1 with
The minimum scale value of the adjusting pressure of the pressure relief safety valve design of weight Comprehensive Control the present embodiment of each gravity tabletting 2；When
After the aperture of the through-hole 11 of straight tube 1 determines, the pressure relief safety valve for controlling the present embodiment by the quantity for controlling gravity tabletting 2 uses
Pressure in the process is adjusted；Pass through the clearance fit of pilot hole 21 set on guide rod 3 and gravity tabletting 2 so that gravity pressure
The too big offset of position will not occur for the movement of piece 2, and then avoid the problem of gravity tabletting 2 can not realize pressure release；To sum up, originally
The pressure relief safety valve of embodiment is simple in structure.
The pressure relief safety valve of the present embodiment can not only be used as safety valve, but also can be used as relief valve.
Not only vent pressure is adjustable for the pressure relief safety valve of the present embodiment, pressure release will not be caused when stuck to fail but also need not
Coordinate external pressure gauge de-regulation pressure.In addition, the pressure relief safety valve of the present embodiment can be controlled in minute-pressure and structure letter
It is single.
More than content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes, the content of the present specification should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (10)
1. a kind of pressure relief safety valve, which is characterized in that including：Guide rod (3), gravity tabletting (2), straight tube (1) and limiting component
(5)；
Be provided with through-hole (11) on the straight tube (1), the through-hole (11) for medium circulation；
The quantity of the gravity tabletting (2) is at least one, and pilot hole (21) is provided on each gravity tabletting (2)；
The guide rod (3) is plugged in the pilot hole (21) of each gravity tabletting (2), the pilot hole (21) and guide rod
(3) clearance fit, it is mobile along guide rod (3) by pilot hole (21) for each gravity tabletting (2)；
The first end of the guide rod (3) is connect with the limiting component (5), and the limiting component (5) is used to form gravity pressure
In the extreme position of guide rod (3) first end, the second end of the guide rod (3) connect piece (2) with straight tube (1)；
Gravity tabletting (2) and the first end face of straight tube (1) close to guide rod (3) second end are engaged, and form flow of media
Switch.
2. pressure relief safety valve according to claim 1, which is characterized in that further include：
Pedestal (4), the second end of the guide rod (3) are connect with straight tube (1) by pedestal (4), the pedestal (4) with it is described straight
The outer wall connection of cylinder (1), the second end of the guide rod (3) are connect with pedestal (4)；
The straight tube (1) is pipe；
The pedestal (4) is thin plate annulus, and the pedestal (4) is plugged in the straight tube (1).
3. pressure relief safety valve according to claim 2, which is characterized in that
The first location structure is provided on the outer wall of the straight tube (1), first location structure is used to be plugged in pedestal (4)
The position positioning of straight tube (1).
4. pressure relief safety valve according to claim 2, which is characterized in that
Base holes (41) are provided on the pedestal (4), the second end of the guide rod (3) is plugged in base holes (41).
5. pressure relief safety valve according to claim 4, which is characterized in that
The guide rod (3) is provided with the second location structure, and second location structure is used to plug guide rod (3) second end
It is positioned in the position of base holes (41).
6. pressure relief safety valve according to claim 4, which is characterized in that
Multiple base holes (41) are symmetrically arranged on the pedestal (4)；
The quantity of pilot hole (21) set on each gravity tabletting (2) is equal and multiple with the quantity of base holes (41)
Pilot hole (21) is symmetricly set in gravity tabletting (2)；
The quantity of the guide rod (3) is equal with the quantity of base holes (41), and each guide rod (3) is plugged in each gravity
In one pilot hole (21) of tabletting (2), the second segment of each guide rod (3) is plugged in a base holes (41).
7. pressure relief safety valve according to claim 6, which is characterized in that
The limiting component (5) includes a limiting plate (51), the first end of each guide rod (3) and the limiting plate
(51) it connects.
8. pressure relief safety valve according to claim 7, which is characterized in that
The limiting component (5) further includes a side plate (52), and one end of the side plate (52) is connect with the limiting plate (51),
The side plate (52) is for the flow direction of medium guiding.
9. pressure relief safety valve according to claim 1, which is characterized in that further include：
Buffer unit (6), the buffer unit (6) are arranged on the first end of straight tube (1), and the buffer unit (6) is for buffering
The impact caused by the first end of straight tube (1) when gravity tabletting (2) declines.
10. pressure relief safety valve according to claim 9, which is characterized in that
Set jagged on the buffer unit (6), the notch causes the gravity tabletting (2) close to guide rod (3) second end
A medium channel is formed with the first end face of straight tube (1), the medium channel is used to ensure safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346898.8A CN108131477A (en) | 2017-12-15 | 2017-12-15 | A kind of pressure relief safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346898.8A CN108131477A (en) | 2017-12-15 | 2017-12-15 | A kind of pressure relief safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131477A true CN108131477A (en) | 2018-06-08 |
Family
ID=62390319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711346898.8A Pending CN108131477A (en) | 2017-12-15 | 2017-12-15 | A kind of pressure relief safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU229506U1 (en) * | 2024-07-02 | 2024-10-09 | Общество с ограниченной ответственностью "Инновационные Системы Пожаробезопасности" | Excess pressure relief valve |
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| CN101922579A (en) * | 2010-05-28 | 2010-12-22 | 钟国强 | Automatic current limiting water saving mouth |
| CN102028399A (en) * | 2010-09-15 | 2011-04-27 | 乔林友 | Pressure limiting valve for heating container |
| CN202302151U (en) * | 2011-10-13 | 2012-07-04 | 林德工程（杭州）有限公司 | Breathing valve for cold box |
| CN202901408U (en) * | 2012-09-27 | 2013-04-24 | 上海梅山钢铁股份有限公司 | Cloth bag and sliding pin type pressure releasing device |
| CN203363317U (en) * | 2013-07-13 | 2013-12-25 | 福建南电股份有限公司 | Large-flow safety valve of hydro-generator |
| CN205762049U (en) * | 2016-05-26 | 2016-12-07 | 中山凯旋真空技术工程有限公司 | Pressure relief device and vacuum pressure impregnated with varnish |
| CN207715841U (en) * | 2017-12-15 | 2018-08-10 | 深圳国创名厨商用设备制造有限公司南海分公司 | A kind of pressure relief safety valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU229506U1 (en) * | 2024-07-02 | 2024-10-09 | Общество с ограниченной ответственностью "Инновационные Системы Пожаробезопасности" | Excess pressure relief valve |
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Application publication date: 20180608 |