CN206555505U - A kind of safety valve - Google Patents
A kind of safety valve Download PDFInfo
- Publication number
- CN206555505U CN206555505U CN201720206612.5U CN201720206612U CN206555505U CN 206555505 U CN206555505 U CN 206555505U CN 201720206612 U CN201720206612 U CN 201720206612U CN 206555505 U CN206555505 U CN 206555505U
- Authority
- CN
- China
- Prior art keywords
- chamber
- connecting seat
- safety valve
- valve body
- snap ring
- 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
- 210000003462 vein Anatomy 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 35
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a kind of safety valve, the problem of gas for solving original overvoltage directs out discharge, pollution environment.Its drip irrigation device is a kind of safety valve, including the interior valve body with chamber, spring and valve element are provided with chamber, valve body is provided with the gas outlet communicated with chamber, connecting seat is installed at gas outlet, the outlet passageway for connecting chamber is provided with connecting seat, one end that connecting seat is placed in outside valve body is linkage section, linkage section outer wall is arranged the snap ring of clamping provided with several for airway tube, reach and the gas outlet of safety valve has been connected with airway tube, so that the overpressure gases of discharge are collected, it is to avoid the purpose of pollution environment.
Description
Technical field
The utility model is related to pressure release outlet valve, in particular, is related to a kind of safety valve.
Background technology
Safety valve is that opening and closing element is lower in normally off by external force effect, when the pressure medium rise in equipment or pipeline is super
When crossing setting, by outside system discharge medium prevent the pressure medium in pipeline or equipment from exceeding the particular usage valve of specified value
Door.Safety valve belongs to automatic valve class, is mainly used in boiler, on pressure vessels and pipes, and control pressure is no more than setting, to people
Body safety and equipment have run important protective effect.
Patent publication No is a kind of CN105402452A relief valve of disclosure of the invention, including spring, lose heart valve body, valve
Core, valve element and valve seat, the inner chamber of the pressure relief valve body set gradually spring, valve element, valve element and valve seat inside-out, control pressure release
Valve open the valve element one end be arranged on valve seat in, between spool end and the contact surface of valve seat under the pretightning force of spring shape
Into band, the other end of the valve element is sphere, and the sphere is contacted with valve element.
The relief valve is adaptively deflected under working impact by the sphere of valve element with valve element, it is ensured that band it is close
Feng Xing, it is ensured that relief valve is to the susceptibility of air pressure, but when relief valve is in the state opened, over-pressed gas is from relief valve
In discharge, if gas is pollution gas, gas is directly discharged into air the problem of polluting environment.
Utility model content
The purpose of this utility model is to provide a kind of safety valve, and the gas outlet of safety valve is connected with airway tube so that row
The overpressure gases gone out are collected, it is to avoid pollution environment.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of safety valve, including
Spring and valve element are provided with the interior valve body with chamber, the chamber, the valve body is provided with the gas outlet communicated with chamber,
The outlet passageway being provided with connecting seat, the connecting seat for connecting chamber, the connecting seat are installed at the gas outlet
The one end being placed in outside valve body is linkage section, and the linkage section outer wall is arranged the snap ring of clamping provided with several for airway tube.
By using above-mentioned technical proposal, connecting seat is installed at the gas outlet of safety valve so that airway tube can be by even
Joint chair is connected with safety valve and communicated with chamber, it is to avoid over-pressed pollution gas is expelled directly out entering at the outlet of safety valve
In atmospheric environment, effective environmental protection sets snap ring in place of airway tube is connected with connecting seat, by the way that one end of airway tube is covered
Linkage section is located at, the plasticity of airway tube is utilized so that airway tube can be connected at snap ring, is easy to airway tube installing/dismounting.
It is of the present utility model to be further disposed in one end that the outlet passageway is communicated with airway tube is the port of export, institute
State snap ring including a first side wall being obliquely installed and one parallel to linkage section axis top, the first side wall is along airway tube
The direction being arranged is tilted towards outer setting.
By using above-mentioned technical proposal, the first side wall of snap ring is tilted towards outer setting along airway tube set set direction, is easy to
The end of airway tube, which is installed, to be made to expand outwardly along the first side wall, so that snap ring is wrapped in the inside of airway tube, then logical pot air guide
The plasticity of pipe recovers deformation so that airway tube is fitted and connected the snap ring in section, and airway tube is stuck in snap ring, it is to avoid airway tube with
Connecting seat is released.
It is of the present utility model to be further disposed in the top of the snap ring is provided with anti-slip veins, and the anti-slip veins, which have, to be supported
The sharp portion of air guide inside pipe wall is touched, dorsad the port of export is obliquely installed the sharp portion.
By using above-mentioned technical proposal, anti-slip veins are set at the top of snap ring, and anti-slip veins have sharp portion so that it is anti-
The sharp portion of sliding line is caught in the inwall of airway tube, so that strengthen the fixation of airway tube and snap ring, both frictions of increase.
The outer wall of the present utility model being further disposed in, the connecting seat is provided with the be threadedly coupled with chamber inner wall
One thread segment and the second thread segment close to snap ring, the connecting seat are located at lateral surface between the first thread segment and the second thread segment
Outwards extend the catch having for covering the gap between gas outlet and connecting seat.
By using above-mentioned technical proposal, catch is set, when preventing that connecting seat is connected through a screw thread with valve body, gas is from spiral shell
The gap of line connection is overflowed, and catch covers gas outlet, increases air-tightness.
It is of the present utility model to be further disposed in the top of the catch is provided with the compression spiral shell coordinated with the second thread segment
Mother, leaves space and the sealing ring for being used for blocking space is provided with space between the lower section of the catch and the first thread segment.
By using above-mentioned technical proposal, clamp nut is set, when clamp nut rotate on the second thread segment extremely with gear
When piece is affixed, drives connecting seat to be fixed with valve body by rotatably compressing nut, be easy to below the installation of valve body and connecting seat, catch
Sealing ring, the air-tightness between increase connecting seat and valve body are set.
It is of the present utility model to be further disposed in the lower section of the connecting seat is provided with the article putting groove that ammunition feed spring is disposed, institute
The bottom for stating article putting groove offers the outlet passageway for extending to the port of export.
By using above-mentioned technical proposal, one end peace of ammunition feed spring in article putting groove, article putting groove is set in the lower section of connecting seat
Put, be easy to spring location and installation so that spring is vertically arranged in valve body, by the compression of connecting seat and valve element, prevent spring
Moment of torsion is produced, so as to reduce the sensitivity of detection.
It is of the present utility model to be further disposed in the bottom of the valve element is embedded with block rubber, and the bottom of the valve body is
The air inlet communicated with chamber, forms a step surface, the step surface is provided with conflict block rubber between air inlet and chamber
Annular convex ring.
By using above-mentioned technical proposal, block rubber is set in valve element, and block rubber is contradicted with annular convex ring, utilizes rubber
The plasticity of glue, is easy to annular convex ring being embedded in block rubber, and the sealing of increase valve element bottom improves the sensitive of detection air pressure
Degree, the service life of valve element is improved using block rubber, prevents valve element from directly being contacted with valve body, is occurred under working impact with valve body
Reciprocal collision.
In summary, the utility model has the advantages that：
The 1st, connecting seat is set at the gas outlet of valve body, and the linkage section of connecting seat is provided with snap ring, the first side wall of snap ring
It is obliquely installed, is provided with anti-slip veins and anti-slip veins at the top of snap ring there is sharp portion, is easy to aqueduct to be set on linkage section,
And the tightness between increase aqueduct and connecting seat, prevent from releasing；
2nd, catch is provided with connecting seat, sealing ring is set in the lower section of catch, block rubber and valve body are set in valve element
Interior annular convex ring coordinates, air-tightness of the increase safety valve at air inlet and gas outlet, improve safety valve detection it is sensitive
Degree.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of safety valve；
Fig. 2 is a kind of sectional view of safety valve；
Fig. 3 is the enlarged drawing at A in Fig. 2.
In figure, 1, valve body；11st, air inlet；111st, annular convex ring；12nd, gas outlet；2nd, valve element；13rd, chamber；21st, rubber
Block；22nd, boss；3rd, spring；4th, connecting seat；41st, the first thread segment；42nd, article putting groove；43rd, outlet passageway；431st, the port of export；44、
Catch；45th, the second thread segment；46th, linkage section；5th, sealing ring；6th, clamp nut 7, snap ring；71st, top；72nd, the first side wall；
73rd, second sidewall；8th, anti-slip veins；81st, sharp portion.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：As depicted in figs. 1 and 2, a kind of safety valve, including valve body 1, the lower end of valve body 1 are provided with external screw thread so that
Valve body 1 can be connected through a screw thread, and the safety valve is fixed on pipeline, so that the gas pressure intensity in control pipeline.Under valve body 1
Hold as air inlet 11, the upper end of valve body 1 is gas outlet 12, be chamber 13 between air inlet 11 and gas outlet 12.In chamber 13 by
Under supreme be provided with valve element 2, spring 3 and connecting seat 4.
Valve element 2 is in hexagonal column, and is arranged at air inlet 11, for blocking air inlet 11, air inlet 11 and chamber 13
Between form a step surface, be extended with annular convex ring 111 towards the direction of valve element 2 on step surface, and annular convex ring 111 is along air inlet
The edge of mouth 11 is set, and the side of valve element 2 towards air inlet 11 is built-in with block rubber 21, block rubber 21 and the phase of annular convex ring 111
Contradict, block rubber 21 is flexible, block rubber 21 is slightly deformed to be embedded in for annular convex ring 111, increases the sealing of air inlet 11,
Avoid when air pressure falls short of the target, gas enters in valve body 1 from air inlet 11 and discharged at gas outlet 12.Valve element 2
Upside is provided with columned boss 22, and the spring 3 being disposed vertically is arranged with boss 22.
One end on valve body 1 positioned at gas outlet 12 is provided with internal thread, and the lower section of connecting seat 4 is provided with the first thread segment 41, will
Connecting seat 4 is connected through a screw thread with valve body 1, the convenience that increase connecting seat 4 is installed.The lower surface of connecting seat 4 offers glove
Groove 42, the other end of spring 3 is placed in article putting groove 42, and flexible using spring 3 causes valve element 2 to have a pressure to air inlet 11
Clamp force, so as to limit the air pressure level of safety valve work.The bottom of article putting groove 42, which is offered, extends upwardly to the top of connecting seat 4
Outlet passageway 43, and outlet passageway 43 top be the port of export 431.The top for being located at the first thread segment 41 in connecting seat 4 is set
There are catch 44, radial outward dilations of the catch 44 along connecting seat 4, for blocking gas outlet 12, the thread segment 41 of catch 44 and first
Between leave space, and be provided with space sealing ring 5, the sealing between increase catch 44 and gas outlet 12 prevents gas leakage.
The top for being located at catch 44 in connecting seat 4 is provided with the second thread segment 45, the second thread segment 45 and is provided with clamp nut 6, second
The diameter of thread segment 45 is identical with the diameter of the first thread segment 41, and the diameter of catch 44 is all higher than the first thread segment 41 and the second spiral shell
Line section 45, connecting seat 4 is driven axially when clamp nut 6 is rotated to the side for being close to catch 44, then by rotatably compressing nut 6
It is mobile, so as to adjust the stroke of spring 3, adjust the restriction air pressure of the safety valve.
Shown in reference picture 1, Fig. 2 and Fig. 3, in the top of the second thread segment 45 and airway tube（Do not illustrated in figure）Connected
One end is linkage section 46, and the port of export 431 is located at the end face of linkage section 46, and two snap rings 7, snap ring are provided with the outer wall of linkage section 46
7 fin shapes in a ring, snap ring 7 is used to fixing airway tube, and the diameter of snap ring 7 is less than the diameter of the second thread segment 45 so that lead
The end of tracheae and the upper end of the second thread segment 45 fit.Snap ring 7 has the first side wall 72, second sidewall 73 and top 71,
Wherein the first side wall 72 is close to the port of export 431, the dorsad port of export 431 of second sidewall 73, and top 71 is parallel to outlet passageway 43
Axis.The first side wall 72 is tilted towards outer setting along the direction that airway tube is arranged, and is easy to the installation of airway tube.Second sidewall 73 is vertical
The outer wall of linkage section 46, is easy to airway tube to be fitted in after deforming between two snap rings 7, prevents airway tube from being released with linkage section 46.
It is provided with anti-slip veins 8 at the top 71 of snap ring 7, and the top of anti-slip veins 8 has a sharp portion 81, the dorsad port of export of sharp portion 81
431 are obliquely installed, and for contradicting the inwall of airway tube, the friction of increase snap ring 7 and airway tube.
During installation, the air inlet 11 of valve body 1 is communicated with pipeline, nut 6 is rotatably compressed and drives connecting seat 4 to rotate and valve body
1 connection, makes catch 44 block the gas outlet 12 of valve body 1, while by connecting seat 4 and the holddown spring 3 of valve element 2, having spring 3
One elastic potential energy, so as to limit the restriction pressure of the safety valve, airway tube is set on linkage section 46, and anti-by snap ring 7
Only airway tube is released.The operation principle of the safety valve：When gas in pipelines pressure is more than the intensity of the elastic potential energy in safety valve
When, over-pressed gas jack-up valve element 2, so that further compression spring 3, over-pressed gas is from the outlet passageway 43 of connecting seat 4
Airway tube is discharged into, the collection of gas is realized.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of safety valve, including it is internal with chamber（13）Valve body（1）, the chamber（13）Inside it is provided with spring（3）With
Valve element（2）, the valve body（1）It is provided with and chamber（13）The gas outlet communicated（12）, it is characterised in that：The gas outlet（12）
Place is provided with connecting seat（4）, the connecting seat（4）On be provided with for connecting chamber（13）Outlet passageway（43）, the company
Joint chair（4）It is placed in valve body（1）Outer one end is linkage section（46）, the linkage section（46）Outer wall supplies air guide pipe sleeve provided with several
If the snap ring of clamping（7）.
2. a kind of safety valve according to claim 1, it is characterised in that：The outlet passageway（43）Communicated with airway tube
One end is the port of export（431）, the snap ring（7）Including a first side wall being obliquely installed（72）With one parallel to linkage section（46）
The top of axis（71）, the first side wall（72）Outer setting is tilted towards along the direction that airway tube is arranged.
3. a kind of safety valve according to claim 2, it is characterised in that：The snap ring（7）Top（71）Provided with anti-skidding
Line（8）, the anti-slip veins（8）With the sharp portion for contradicting air guide inside pipe wall（81）, the sharp portion（81）The dorsad port of export
（431）It is obliquely installed.
4. a kind of safety valve according to claim 3, it is characterised in that：The connecting seat（4）Outer wall be provided with and chamber
（13）First thread segment of inner thread connection（41）With close snap ring（7）The second thread segment（45）, the connecting seat（4）Position
In the first thread segment（41）With the second thread segment（45）Between outside face out extension and have for covering gas outlet（12）With being connected
Seat（4）Between gap a catch（44）.
5. a kind of safety valve according to claim 4, it is characterised in that：The catch（44）Top be provided with and the second spiral shell
Line section（45）The clamp nut of cooperation（6）, the catch（44）Lower section and the first thread segment（41）Between leave space and
The sealing ring for being used for blocking space is provided with space（5）.
6. a kind of safety valve according to claim 5, it is characterised in that：The connecting seat（4）Lower surface be provided with ammunition feed
Spring（3）The article putting groove of placement（42）, the article putting groove（42）Bottom offer and extend to the port of export（431）Outlet passageway
（43）.
7. a kind of safety valve according to claim 6, it is characterised in that：The valve element（2）Bottom be embedded with block rubber
（21）, the valve body（1）Bottom be and chamber（13）The air inlet communicated（11）, air inlet（11）With chamber（13）Between shape
Into a step surface, the step surface is provided with conflict block rubber（21）Annular convex ring（111）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206612.5U CN206555505U (en) | 2017-03-04 | 2017-03-04 | A kind of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720206612.5U CN206555505U (en) | 2017-03-04 | 2017-03-04 | A kind of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206555505U true CN206555505U (en) | 2017-10-13 |
Family
ID=60362619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720206612.5U Expired - Fee Related CN206555505U (en) | 2017-03-04 | 2017-03-04 | A kind of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206555505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887621A (en) * | 2019-12-13 | 2020-03-17 | 武汉景亚自控设备股份有限公司 | Electromagnetic valve simulation fault detection method |
| CN114888283A (en) * | 2021-01-25 | 2022-08-12 | 南京以太通信技术有限公司 | Feeding box |
-
2017
- 2017-03-04 CN CN201720206612.5U patent/CN206555505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887621A (en) * | 2019-12-13 | 2020-03-17 | 武汉景亚自控设备股份有限公司 | Electromagnetic valve simulation fault detection method |
| CN114888283A (en) * | 2021-01-25 | 2022-08-12 | 南京以太通信技术有限公司 | Feeding box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |