CN207609826U - A kind of safety valve - Google Patents
A kind of safety valve Download PDFInfo
- Publication number
- CN207609826U CN207609826U CN201721720619.5U CN201721720619U CN207609826U CN 207609826 U CN207609826 U CN 207609826U CN 201721720619 U CN201721720619 U CN 201721720619U CN 207609826 U CN207609826 U CN 207609826U
- Authority
- CN
- China
- Prior art keywords
- mentioned
- cylinder shape
- pipe fitting
- annular knurl
- 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.)
- Expired - Fee Related
Links
Landscapes
- Safety Valves (AREA)
Abstract
The utility model provides a kind of safety valve, belongs to technical field of valve manufacturing.The problems such as it is solved in existing safety valve structure, and structure is complex, and pressure regulating mechanism is unstable, and service life is shorter.Intrinsic safety full valve includes the internal cylinder shape valve with cavity, cylinder shape valve one end is admitting pipe joint, the other end of the cylinder shape valve is safe pipe fitting, inner wall at cylinder shape valve center convexes to form a circle and keeps out step, circle, which is kept out, offers flowing hole in step, titting water outlet is offered on the side wall of cylinder shape valve, the annular knurl block for making bursting tube tab closure is installed on the safe pipe fitting of cylinder shape valve, and circle, which is kept out, is equipped with envelope stream device between step and annular knurl block.The pressure adjustable section of the utility model envelope stream, adjusting pressure texture is simple, and pressure regulating mechanism is stablized, and service life is long.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, is related to a kind of safety valve.
Background technology
Safety valve is that opening and closing element is in normally off under by outer force effect, is surpassed when the pressure medium in equipment or pipeline increases
When crossing specified value, by outside system discharge medium come to prevent pressure medium in pipeline or equipment be more than the particular usage valve of specified value
Door.Safety valve belongs to automatic valve class, is mainly used for boiler, on pressure vessels and pipes, and control pressure is no more than specified value, to people
Body safety and equipment have run important protective effect.When system pressure is more than specified value, safety valve is opened, by one in system
Portion gas, fluid are discharged into air, outside pipeline, so that system pressure is no more than permissible value, to ensure system not because of hypertonia
And accident occurs.
Safety valve structure mainly has two major classes：Spring loaded safety valve and lever safety valve.Spring loaded safety valve refers to valve
Active force of the sealing of valve and valve seat by spring.Lever safety valve is the active force by lever and weight.With large capacity
It needs, and has a kind of pulse type safety valve, also referred to as pilot operated safety valve, be made of main safety valve and auxiliary valve.When in pipeline
When pressure medium is more than authorized pressure value, auxiliary valve is first opened, and medium enters main safety valve along conduit, and main safety valve is beaten
It opens, makes the pressure medium increased reduction.
Existing safety valve is mainly made of shell, handle, spool, inlet and outlet channel, and this safety valve is only one in fact
Kind fluid passage operates spool come on and off liquid by handle, cannot automatically be protected with the pressure change of liquid,
Therefore function is limited, in particular to connects the liquid system of valve body, occurs imbalance of pressure suddenly, and liquid will rush from unbalance
Go out, gently then pollutes or economic loss, it is heavy then cause casualties, therefore application is restricted；For above-mentioned this case,
Occur some safety valves in the market in recent years, change above-mentioned problem, as China Patent No. is：" 200410054120.6 " are described
Safety valve, the concrete structure of the safety valve is：Including valve seat, spool, feed pathway, which is characterized in that the feed liquor is logical
There is a sphere in road, feed pathway seals when the sphere to feed pathway outlet port, and feed liquor is logical when leaving outlet port
Dao Zetong, the sphere other side have the gasket with star-shaped aperture, sphere to be limited by inlet tube.Described feed pathway mouth one end
Connecting flange；The inlet tube is by clamp spring connecting flange；There is bearing on the flange；The safety valve connects blowdown
Valve.In above-mentioned safety valve structure, structure is complex, and pressure regulating mechanism is unstable, and service life is shorter.
Invention content
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, provides a kind of simple in structure, pressure
Power adjustment structure is stablized, safety valve with long service life.
The purpose of this utility model can be realized by following technical proposal：A kind of safety valve, including it is internal with cavity
Cylinder shape valve, which is characterized in that described cylinder shape valve one end is admitting pipe joint, and the other end of the cylinder shape valve is
Safe pipe fitting, the inner wall at the cylinder shape valve center convex to form a circle and keep out step, and the circle, which is kept out in step, to be opened
Equipped with the flowing hole being connected with above-mentioned admitting pipe joint, offered on the side wall of cylinder shape valve by above-mentioned flowing hole with
Above-mentioned admitting pipe joint is connected and is used for the titting water outlet of water outlet, is installed on the safe pipe fitting of the cylinder shape valve
Make the annular knurl block of bursting tube tab closure, the circle keeps out that be equipped between step and annular knurl block will be upper by elastic force effect energy
State the envelope stream device of flowing hole sealing.
Inner wall of the intrinsic safety full valve mainly at cylinder shape valve center convexes to form a circle and keeps out step, cylinder shape valve
Being installed on safe pipe fitting makes the annular knurl block of bursting tube tab closure, and circle, which keeps out to be equipped between step and annular knurl block, to be passed through
The envelope stream device that above-mentioned flowing hole seals can be flowed device to realize the effect of safe current limliting, envelope stream dress by elastic force effect by envelope
The envelope stream function of setting is to carry out envelope stream by pressure, in envelope flows device, seals the pressure adjustable section of stream, adjusts pressure texture letter
Single, pressure regulating mechanism is stablized, and service life is long.
In a kind of above-mentioned safety valve, the envelope stream device includes the copper sealing for blocking at above-mentioned flowing hole
Seat, between copper seal receptacle and annular knurl block be equipped with spring, one end resilient abutment of the spring on above-mentioned copper seal receptacle,
The pressure adjusting structure that can be adjusted to above-mentioned copper seal receptacle intake pressure is equipped between the other end and annular knurl block of the spring.
In a kind of above-mentioned safety valve, the pressure adjusting structure includes regulating nut, is offered in safe pipe fitting
There is on the regulating nut internal thread external screw thread, the regulating nut to pass through external screw thread and internal thread screw-thread fit spiral
In above-mentioned safe pipe fitting, the other end of above-mentioned spring is resisted against on the inner end end face of above-mentioned regulating nut, the adjusting
The outer end of nut is in contact with the inner end end face of above-mentioned annular knurl block.
In a kind of above-mentioned safety valve, the inner end end face of the copper seal receptacle has one end elasticity for above-mentioned spring
Against column structure, the outer end end face of the copper seal receptacle opens up circular trough, and rubber sheet gasket, above-mentioned circle are installed in circular trough
Keep out on the inner end end face of step with the convex round bulge loop of ecto-entad, have on the outer end end face of above-mentioned rubber sheet gasket with it is upper
The annular groove of the corresponding clamping of round bulge loop is stated, the annular groove is resisted against on above-mentioned round bulge loop.
In a kind of above-mentioned safety valve, mounting hole is offered on above-mentioned rubber sheet gasket, the rubber sheet gasket is logical
It crosses brass screws to be fixed on above-mentioned copper seal receptacle across above-mentioned mounting hole, the screw terminal of the brass screws is in above-mentioned
In flowing hole.
In a kind of above-mentioned safety valve, the annular knurl block include cylindricality interconnecting piece and with cylindricality interconnecting piece one at
The end cap portions of type, external screw thread is offered on the cylindricality interconnecting piece, and the annular knurl block passes through outer on cylindricality interconnecting piece
Thread helix is additionally provided between safe pipe fitting and annular knurl block end cap portions on above-mentioned safe pipe fitting for will be safe
The red paper washer of pipe fitting and the sealing of annular knurl block end cap portions.
Compared with prior art, intrinsic safety full valve centre circle is kept out to be equipped between step and annular knurl block and can be incited somebody to action by elastic force effect
The envelope stream device of above-mentioned flowing hole sealing, which includes for blocking the copper seal receptacle at above-mentioned flowing hole, in copper
Spring is equipped between seal receptacle and annular knurl block, one end resilient abutment of spring is on copper seal receptacle, the other end of spring and rolling
The pressure adjusting structure that can be adjusted to copper seal receptacle intake pressure is equipped between perigone cap, pressure adjusting structure includes regulating nut, in safety
Internal thread is offered in pipe fitting, on regulating nut there is external screw thread, regulating nut to pass through external screw thread and internal thread screw-thread fit
Spiral is in safe pipe fitting, and the other end of spring is resisted against on the inner end end face of above-mentioned regulating nut, the outer end of regulating nut
It is in contact with the inner end end face of above-mentioned annular knurl block；The utility model flows device to realize the effect of safe current limliting by envelope, seals
The envelope stream function of flowing device is to carry out envelope stream by pressure, in envelope flows device, seals the pressure adjustable section of stream, adjusts pressure knot
Structure is simple, and pressure regulating mechanism is stablized, and service life is long.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of intrinsic safety full valve.
Fig. 2 is the structural schematic diagram of intrinsic safety full valve.
In figure, 1, cylinder shape valve；2, admitting pipe joint；3, safe pipe fitting；4, circle keeps out step；5, flowing hole；6、
Titting water outlet；7, annular knurl block；8, copper seal receptacle；9, spring；10, regulating nut；11, rubber sheet gasket；12, round bulge loop；
13, brass screws；14, shape interconnecting piece；15, end cap portions；16, red paper washer.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, intrinsic safety full valve is mainly made of the internal cylinder shape valve 1 with cavity, cylinder shape valve
1 one end is admitting pipe joint 2, and the other end of the cylinder shape valve 1 is safe pipe fitting 3, at 1 center of the cylinder shape valve
Inner wall convexes to form a circle and keeps out step 4, and the circle keeps out the mistake for offering in step 4 and being connected with above-mentioned admitting pipe joint 2
Discharge orifice 5 offers on the side wall of cylinder shape valve 1 and is connected and is used for above-mentioned admitting pipe joint 2 by above-mentioned flowing hole 5
The titting water outlet 6 of water outlet, being installed on the safe pipe fitting 3 of the cylinder shape valve 1 makes 3 closed annular knurl of safe pipe fitting
Block 7, the circle keeps out to be equipped between step 4 and annular knurl block 7 acts on the envelope stream that can seal above-mentioned flowing hole 5 by elastic force
Device, when actually manufacturing, the concrete structure of the envelope stream device is：Mainly by for blocking the copper sealing in above-mentioned flowing hole
Seat 8 forms, and spring 9 is equipped between copper seal receptacle 8 and annular knurl block 7, one end resilient abutment of the spring 9 is in above-mentioned copper
Being equipped on seal receptacle 8, between the other end and annular knurl block 7 of the spring 9 can be to the adjusting of above-mentioned 8 intake pressure of copper seal receptacle
Pressure adjusting structure, when actually manufacturing, the concrete structure of the pressure adjusting structure is：It is mainly made of regulating nut 10, is connect in bursting tube
Internal thread is offered in first 3, on the regulating nut 10 there is external screw thread, the regulating nut 10 to pass through external screw thread and interior spiral shell
For line screw-thread fit spiral in above-mentioned safe pipe fitting 3, the other end of above-mentioned spring 9 is resisted against the interior of above-mentioned regulating nut 10
It holds on end face, the outer end of the regulating nut 10 is in contact with the inner end end face of above-mentioned annular knurl block 7.It, should in actual design
The inner end end face of copper seal receptacle 8 has one end resilient abutment column structure for above-mentioned spring 9, the copper seal receptacle 8 it is outer
End end face opens up circular trough, is installed with rubber sheet gasket 11 in circular trough, above-mentioned circle keep out on the inner end end face of step 4 have by
The round bulge loop 12 of export-oriented convex has clamping corresponding with above-mentioned round bulge loop 12 on the outer end end face of above-mentioned rubber sheet gasket 11
Annular groove, the annular groove is resisted against on above-mentioned round bulge loop 12.In practical application, on the rubber sheet gasket 11
Mounting hole is offered, the rubber sheet gasket 11 passes through above-mentioned mounting hole to be fixed in above-mentioned copper and seals by brass screws 13
On seat 8, the screw terminal of the brass screws 13 is in above-mentioned flowing hole 5, and when actually manufacturing, which includes column
Shape interconnecting piece 14 and with 14 integrally formed end cap portions 15 of cylindricality interconnecting piece, offer outer spiral shell on the cylindricality interconnecting piece 14
Line, the annular knurl block 7 by the external screw thread spiral on cylindricality interconnecting piece 14 on above-mentioned safe pipe fitting 3, in safety
It is additionally provided between 7 end cap portions of pipe fitting 3 and annular knurl block red for sealing safe pipe fitting 3 and 7 end cap portions of annular knurl block
Paper washer 16.
Inner wall of the intrinsic safety full valve mainly at 1 center of cylinder shape valve convexes to form a circle and keeps out step 4, cylinder shape valve
Being installed on 1 safe pipe fitting 3 makes the 3 closed annular knurl block 7 of safe pipe fitting, and circle is kept out between step 4 and annular knurl block 7
Equipped with can the envelope stream device that above-mentioned flowing hole seals be flowed device to realize the work of safe current limliting by envelope by elastic force effect
With the envelope stream function of envelope stream device is to carry out envelope stream by pressure, in envelope flows device, seals the pressure adjustable section of stream, adjusts
Pressure texture is simple, and pressure regulating mechanism is stablized, and service life is long.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although cylinder shape valve 1 is used more herein；Admitting pipe joint 2；Safe pipe fitting 3；Circle keeps out step 4；
Flowing hole 5；Titting water outlet 6；Annular knurl block 7；Copper seal receptacle 8；Spring 9；Regulating nut 10；Rubber sheet gasket 11；Round bulge loop
12；Brass screws 13；Shape interconnecting piece 14；End cap portions 15；The terms such as red paper washer 16, but the possibility using other terms is not precluded
Property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as any
The additional limitation of one kind is all contrary to the spirit of the present invention.
Claims (6)
1. a kind of safety valve, including the internal cylinder shape valve with cavity（1）, which is characterized in that the cylinder shape valve（1）
One end is admitting pipe joint（2）, the cylinder shape valve（1）The other end be safe pipe fitting（3）, the cylinder shape valve（1）
Inner wall at center convexes to form a circle and keeps out step（4）, the circle keeps out step（4）In offer and above-mentioned admitting pipe joint
（2）The flowing hole being connected（5）, in cylinder shape valve（1）Side wall on offer through above-mentioned flowing hole（5）With above-mentioned water inlet
Pipe fitting（2）The titting water outlet for being connected and being used to be discharged（6）, the cylinder shape valve（1）Safe pipe fitting（3）It is upper solid
Equipped with making safe pipe fitting（3）Closed annular knurl block（7）, the circle keeps out step（4）With annular knurl block（7）Between be equipped with it is logical
Crossing elastic force effect can be by above-mentioned flowing hole（5）The envelope stream device of sealing.
2. a kind of safety valve according to claim 1, which is characterized in that the envelope stream device includes for blocking
State flowing hole（5）The copper seal receptacle at place（8）, in copper seal receptacle（8）With annular knurl block（7）Between be equipped with spring（9）, the spring
（9）One end resilient abutment in above-mentioned copper seal receptacle（8）On, the spring（9）The other end and annular knurl block（7）Between set
Having can be to above-mentioned copper seal receptacle（8）The pressure adjusting structure that intake pressure is adjusted.
3. a kind of safety valve according to claim 2, which is characterized in that the pressure adjusting structure includes regulating nut
（10）, in safe pipe fitting（3）Inside offer internal thread, the regulating nut（10）It is upper that there is external screw thread, the adjusting spiral shell
Cap（10）By external screw thread and internal thread screw-thread fit spiral in above-mentioned safe pipe fitting（3）It is interior, above-mentioned spring（9）It is another
End is resisted against above-mentioned regulating nut（10）Inner end end face on, the regulating nut（10）Outer end and above-mentioned annular knurl block（7）
Inner end end face be in contact.
4. a kind of safety valve according to claim 3, which is characterized in that the copper seal receptacle（8）Inner end end face have
For above-mentioned spring（9）One end resilient abutment column structure, the copper seal receptacle（8）Outer end end face open up circular trough,
Rubber sheet gasket is installed in circular trough（11）, above-mentioned circle keeps out step（4）Inner end end face on the convex circle of ecto-entad
Bulge loop（12）, above-mentioned rubber sheet gasket（11）Outer end end face on have and above-mentioned round bulge loop（12）The annular of corresponding clamping is recessed
Slot, the annular groove are resisted against above-mentioned round bulge loop（12）On.
5. a kind of safety valve according to claim 4, which is characterized in that in above-mentioned rubber sheet gasket（11）On offer peace
Fill hole, the rubber sheet gasket（11）Pass through brass screws（13）Above-mentioned copper seal receptacle is fixed in across above-mentioned mounting hole
（8）On, the brass screws（13）Screw terminal be in above-mentioned flowing hole（5）In.
6. a kind of safety valve according to claim 5, which is characterized in that the annular knurl block（7）It is connected including cylindricality
Portion（14）With with cylindricality interconnecting piece（14）Integrally formed end cap portions（15）, the cylindricality interconnecting piece（14）On offer outer spiral shell
Line, the annular knurl block（7）Pass through cylindricality interconnecting piece（14）On external screw thread spiral in above-mentioned safe pipe fitting（3）On,
In safe pipe fitting（3）With annular knurl block（7）End cap portions（15）Between be additionally provided with for by safe pipe fitting（3）With annular knurl block
（7）End cap portions（15）The red paper washer of sealing（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720619.5U CN207609826U (en) | 2017-12-12 | 2017-12-12 | A kind of safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720619.5U CN207609826U (en) | 2017-12-12 | 2017-12-12 | A kind of safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609826U true CN207609826U (en) | 2018-07-13 |
Family
ID=62798140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721720619.5U Expired - Fee Related CN207609826U (en) | 2017-12-12 | 2017-12-12 | A kind of safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812607A (en) * | 2019-03-11 | 2019-05-28 | 珠海格力电器股份有限公司 | Valve element assembly, safety valve, air conditioner and pressure equipment |
-
2017
- 2017-12-12 CN CN201721720619.5U patent/CN207609826U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812607A (en) * | 2019-03-11 | 2019-05-28 | 珠海格力电器股份有限公司 | Valve element assembly, safety valve, air conditioner and pressure equipment |
| CN109812607B (en) * | 2019-03-11 | 2020-06-05 | 珠海格力电器股份有限公司 | Valve element assembly, safety valve, air conditioner and pressure equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1586106A (en) | Ball-type safety valve | |
| CN105612376A (en) | Apparatus and method for a one-way fuse valve | |
| CN108131473A (en) | The check valve of decompression function built in a kind of band | |
| CN207609826U (en) | A kind of safety valve | |
| CN206377312U (en) | Enclosed type safety valve and electric heater | |
| CN208619810U (en) | A kind of spherical seal stop valve | |
| CN205760082U (en) | A kind of integrated type valve filter element | |
| CN110242761A (en) | A kind of backflow controlled value on car dryer | |
| CN108953707A (en) | Safety protective valve and pipe safety protective device | |
| CN210950073U (en) | Differential pressure bypass balance valve | |
| CN209325116U (en) | Safety protective valve and pipe safety protective device | |
| CN208967140U (en) | Safety valve | |
| CN207830642U (en) | A kind of check-valves | |
| RU2527778C2 (en) | Automatic shutoff valve | |
| CN206112197U (en) | Electric valve convenient to installation | |
| CN111173943B (en) | Dual-control efficient check valve | |
| CN201232765Y (en) | Blowoff ball valve | |
| CN107035898A (en) | Anticorrosion swing type non-return valve | |
| CN209762363U (en) | Pressure reducing valve | |
| CN214367863U (en) | High-sealing right-angle valve | |
| CN203906821U (en) | Small-angle-opening stop valve for compressed natural gas | |
| CN201696622U (en) | Safety water faucet | |
| CN108758025A (en) | A kind of shut-off valve peculiar to vessel that leakproofness is strong | |
| CN214789073U (en) | Angle valve | |
| CN218031610U (en) | Backflow-preventing one-way check valve |
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: 20180713 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |