CN107029370A - A kind of overpressure relief extinguisher valve - Google Patents
A kind of overpressure relief extinguisher valve Download PDFInfo
- Publication number
- CN107029370A CN107029370A CN201710271977.0A CN201710271977A CN107029370A CN 107029370 A CN107029370 A CN 107029370A CN 201710271977 A CN201710271977 A CN 201710271977A CN 107029370 A CN107029370 A CN 107029370A
- Authority
- CN
- China
- Prior art keywords
- slotted eye
- installation slotted
- valve
- valve seat
- extinguisher
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
- A62C13/64—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of overpressure relief extinguisher valve, include valve body, handle and safety fastener successively from bottom to up；Described handle and safety fastener superposition set and are connected respectively with valve body.Described valve body includes valve seat, bung flange, button combination, overpressure protection apparatus and valve element combination；Described bung flange covers in the outside of valve seat；The first installation slotted eye, the second installation slotted eye and the 3rd installation slotted eye are respectively equipped with described valve seat, described button combination is arranged at the first installation slotted eye；Described overpressure protection apparatus assembly is in the second installation slotted eye；Described valve element combines assembly in the 3rd installation slotted eye.Can not only safety relief using the present invention, moreover it is possible to the failure conditions of identification fire extinguisher excessively directly perceived.
Description
Technical field
The present invention relates to extinguisher valve field, especially a kind of overpressure relief extinguisher valve.
Background technology
Dry powder, water base extinguisher valve at present on the market is all stored pressure fire extinguisher valve.Such fire extinguisher
Valve does not have overpressure protection apparatus, and filling, in the case of the pressure play such as high temperature rises, fire extinguisher internal pressure can not carry out superpressure and let out
Put, it is possible to occur explosion accident, there is potential safety hazard.On the other hand, this extinguisher valve can not intuitively judge to go out very much
The failure conditions of firearm, need the range intervals residing for close examination gauge hand, could judge whether fire extinguisher loses
Effect, discriminating fashion is laborious and easily forgets, if without the fire extinguisher for finding and changing failure in time, equally existing safety hidden
Suffer from.
The content of the invention
It is an object of the invention to provide a kind of overpressure relief extinguisher valve.
What the present invention was solved is that current stored pressure fire extinguisher valve lacks overpressure protection apparatus, when fire extinguisher internal pressure
When can not carry out overpressure relief, it is possible to occur explosion accident, there is potential safety hazard；In addition, this extinguisher valve can not be very
The failure conditions of fire extinguisher are intuitively judged, if without the fire extinguisher for finding and changing failure in time, equally existing potential safety hazard
The problem of.
The present invention solve its technical problem use technical scheme be：The present invention includes valve body, handle successively from bottom to up
And safety fastener；Described handle and safety fastener superposition set and are connected respectively with valve body.Described valve body includes valve seat, spiral shell
Circle, button combination, overpressure protection apparatus and valve element combination；Described bung flange covers in the outside of valve seat；On described valve seat respectively
Provided with the first installation slotted eye, the second installation slotted eye and the 3rd installation slotted eye, described button combination is arranged on the first installation slotted eye
Place；Described overpressure protection apparatus assembly is in the second installation slotted eye；Described valve element combines assembly in the 3rd installation slotted eye.
Further, described button combination includes briquetting and lancet；Described lancet through on handle with the
The corresponding corresponding aperture of one installation slotted eye, and in the first installation slotted eye, described briquetting is exposed to above safety fastener；Described
Overpressure protection apparatus include overpressure protection main body and the sealing gasket in the overpressure protection main body, sealing gasket base,
Return spring, adjusts screw；Described valve element combination includes valve element and display is covered, and described shows lid positioned at the top of valve element,
Described valve element is located in the 3rd installation slotted eye, and annular groove is provided with the opening of the 3rd installation slotted eye, and described display lid is inserted
At annular groove.
Further, the return spring is placed on the top of sealing gasket base, and described sealing gasket assembly is in sealing gasket bottom
The bottom of seat, described adjustment screw is covered in above return spring；The bottom of the overpressure protection main body is provided with through hole；Described
The lower section of second installation slotted eye is provided with the gas passage communicated therewith, and one end of the through hole is communicated with gas passage, the other end
Contacted with sealing gasket.
Further, the display lid is warp architecture, and the direction of bending is towards valve element.
Further, powderject passage is additionally provided with described valve seat, the exit of the powderject passage is provided with
Pricking piece and plug, described pricking piece are located between outlet and plug.
Further, breather pipe is additionally provided with the valve seat, described breather pipe is communicated with the first installation slotted eye.
Further, the inner ring of the bung flange is provided with screw thread；The outer ring of the valve seat is provided with bulge loop, and described bung flange is covered in
The outer ring of valve seat is simultaneously in contact with bulge loop.
Further, the lower section of the bulge loop, which is provided with annular groove, described annular groove, installs sealing ring.
Further, installed at the described handle perforation corresponding with being respectively equipped with position on valve seat, described perforation
Rivet, described rivet is interference fitted with perforation.
Further, the side connection plastic part of the safety fastener, opposite side is draw ring structure；Described plastic part positioning
In the side of the button combination.
The beneficial effects of the invention are as follows：Compared with prior art, combined invention increases overpressure protection apparatus and valve element.
Overpressure protection apparatus carries out safety relief by spring force；Display lid in valve element combination can intuitively judge fire extinguisher gas leakage
Failure conditions.
When the pressure increase of extinguishing chemical intracavitary, pressure transmission is moved up to valve element, valve element so that be shown to by bullet
Go out, so can intuitively find that very much fire extinguisher has failed, beneficial to timely changing.
During installation, the adjustment screw of overpressure protection apparatus adjusts certain spring force, equally, and the pressure of extinguishing chemical intracavitary surpasses
When having crossed the spring force set originally, can be released pressure by spring, play a part of safety relief.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the decomposing schematic representation of the present invention.
Fig. 3 is one of diagrammatic cross-section of the present invention.
Fig. 4 is the two of the diagrammatic cross-section of the present invention.
Fig. 5 is the use state figure of the present invention.
In figure：1. valve body；2. handle；20.21. perforate；3. safety fastener；30. draw ring structure；4. valve element；5. sealing ring；6.
Rivet；7. valve seat；70. breather pipe；71. perforation；72. the first installation slotted eye；73. the second installation slotted eye；74. the 3rd mounting groove
Hole；740. annular groove；8. display lid；9. bung flange；90. screw thread；10. overpressure protection apparatus；100. overpressure protection main body；101. sealing
Pad；102. sealing gasket base；103. return spring；104. adjust screw；105. through hole；11. button combination；110. briquetting；
111. lancet；12. plastic part；13. pricking piece；14. plug；15. built in gas bomb；16. siphon pipe；17. extinguishing chemical chamber.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the present invention includes valve body 1, handle 2 and safety fastener 3 successively from bottom to up.Handle 2 and insurance
The superposition of button 3 sets and is connected respectively with valve body 1.Valve body 1 includes valve seat 7, bung flange 9, button combination 11, overpressure protection apparatus 10
With valve element combination.At the perforation 21 corresponding with being respectively equipped with position on valve seat 1 of handle 2 and perforation 71, perforation 21 and perforation 71
Rivet 6 is installed, rivet 6 and perforation 21 and perforates and 71 is interference fitted and realizes being fixedly connected for handle 2 and valve seat 1.The one of safety fastener 3
Side connects plastic part 12, and opposite side is draw ring structure 30.Plastic part 12 is positioned at the side of button combination 11.Pull draw ring structure
30, plastic part 12 is pulled off and departed from, and safety fastener 3 is separated with valve seat 7, and button combination 11 can be pressed.
As shown in figure 3, bung flange 9 covers in the outside of valve seat 7, the inner ring of bung flange 9 is provided with screw thread 90, and the outer ring of valve seat 7 sets convex
Ring 76, bung flange 9 covers in the outer ring of valve seat 7 and is in contact with bulge loop 76.The lower section of bulge loop 76 is provided with annular groove, annular groove
Sealing ring 13 is installed.Sealing ring 13 can play good sealing function, it is to avoid the leakage of gas.The screw thread of bung flange 9, which coordinates, to go out
Firearm body is installed, and plays a part of connection fire extinguisher body and valve body.
As shown in Fig. 2 being respectively equipped with the first installation slotted eye 72, the second installation slotted eye 73 and the 3rd installation slotted eye on valve seat 7
74.Button combination 11 is arranged at the first installation slotted eye 72；The assembly of overpressure protection apparatus 10 is in the second installation slotted eye 73；Valve element group
Attach together and be embedded in the 3rd installation slotted eye 74.
Button combination 11 includes briquetting 110 and lancet 111.Lancet 111 through on handle 2 with the first installation slotted eye
72 corresponding corresponding apertures 20, and in the first installation slotted eye 72.Briquetting 110 is exposed to the top of safety fastener 3.When the quilt of safety fastener 3
After pull-off, briquetting 110 is pressed, lancet 110 is moved down can be by the built-in gas bomb at the first installation slotted eye 72
Film is punctured, and promotes gas outflow.
Overpressure protection apparatus 10 includes overpressure protection main body 100 and the sealing gasket in overpressure protection main body 100
101, sealing gasket base 102, return spring 103 adjust screw 104.Return spring 103 is placed on the top of sealing gasket base 102,
The assembly of sealing gasket 101 covers in the top of return spring 103 in the bottom of sealing gasket base 102, adjustment screw 104.Overpressure protection master
The bottom of body 100 is provided with through hole 105, and the lower section of the second installation slotted eye 73 is provided with the gas passage 77 communicated therewith, through hole 105
One end is communicated with gas passage 77, and the other end is contacted with sealing gasket 101.Gas passes through gas passage 77, to overpressure protection apparatus
Pressure, when pressure has exceeded the spring force set originally, can be released pressure by spring, play a part of safety relief.
As shown in Figure 2 and Figure 4；Valve element combination includes valve element 4 and display lid 8, and display lid 8 is located at the top of valve element 4, valve element
4 are located in the 3rd installation slotted eye 74, and annular groove 740 is provided with the opening of the 3rd installation slotted eye 74, and display lid 8 is inserted at annular groove 740.
Display lid 8 is warp architecture, and the direction of bending is towards valve element 4.After valve element 4 is moved up by internal pressure, will easily lid 8 be shown
Release, can thus remind user, the pressure release in the fire extinguisher has been failed.
As shown in Figure 3；Powderject passage 75 is additionally provided with valve seat 7.Provided with thorn at the outlet 750 of powderject passage 75
Fragmentation 13 and plug 14, pricking piece 13 are located between outlet 750 and plug 14.During installation, plug 14, outlet 750 and spray are removed
Pipe is connected, and pricking piece 13 is installed at the outlet 750 of injection channel 75, after the internal pressure of bottle is broken through, powder
End sprays.
Breather pipe 70 is additionally provided with valve seat 7, breather pipe 70 is communicated with the first installation slotted eye 72.Breather pipe 70 is used as built-in storage
Gas cylinder and the passage of extinguishing chemical chamber insertion.After film on built-in gas bomb is punctured, internal gas is along the first installation slotted eye
72 enter breather pipe 70, finally enter extinguishing chemical chamber.
The present invention operation principle be：In the case of normal use, safety fastener 3 breaks plastic part 12, and safety fastener 3 releases beam
Tie up, press down on the briquetting 110 of button combination 11, then the lancet 111 of button combination 11 has punctured the built-in tank of gas bomb 15
Gas in the film of mouth, built-in gas bomb 15 enters the extinguishing chemical chamber in outside along the first installation slotted eye 72 and breather pipe 70
17, the pressure increase in extinguishing chemical chamber 17.Extinguishing chemical chamber 17 is communicated with the siphon pipe 16 on powderject passage 75, rainbow
The memory storage powder of suction pipe 16, sprays along powderject passage 75 under the effect of the pressure, meanwhile, powderject channel outlet
Pricking piece 13 at 750 is broken through by air pressure can be normally carried out fire extinguishing.In addition, extinguishing chemical chamber 17 and the phase of the 3rd installation slotted eye 74
Logical, pressure increase in extinguishing chemical chamber 17 promotes valve element 4 to move up, so that display lid 8 is rushed out.Second installation slotted eye
Screw 104 is adjusted in overpressure protection apparatus 10 in 73 and adjusts certain spring force, when internal pressure has exceeded what is set originally
Released pressure by spring during spring force, it is to avoid because the pressure in the bottle is excessive and there is the risk of blast.
When due to other reasonses, after the pressure in extinguishing chemical chamber 17 rises, promoting valve element 4 to move up, display lid 8 is rushed
Go out, remind user's fire extinguisher to fail.Other overpressure protection apparatus 10 can also utilize spring force progress pressure release, it is to avoid quick-fried
The generation of fried phenomenon, it is ensured that the security of fire extinguisher.
Claims (10)
1. a kind of overpressure relief extinguisher valve, includes valve body, handle and safety fastener successively from bottom to up；Described handle and guarantor
Danger button superposition sets and is connected respectively with valve body；It is characterized in that described valve body include valve seat, it is bung flange, button combination, super
Press protection device and valve element combination；Described bung flange covers in the outside of valve seat；The first mounting groove is respectively equipped with described valve seat
Hole, the second installation slotted eye and the 3rd installation slotted eye, described button combination are arranged at the first installation slotted eye；Described superpressure is protected
Protection unit assembly is in the second installation slotted eye；Described valve element combines assembly in the 3rd installation slotted eye.
2. a kind of overpressure relief extinguisher valve according to claim 1, it is characterised in that described button combination includes
Briquetting and lancet；Described lancet is pacified through corresponding aperture corresponding with the first installation slotted eye on handle, and positioned at first
In tankage hole, described briquetting is exposed to above safety fastener；Described overpressure protection apparatus includes overpressure protection main body and peace
Sealing gasket in the overpressure protection main body, sealing gasket base, return spring adjust screw；Described valve element combination bag
Include valve element and display is covered, described display lid is located in the 3rd installation slotted eye positioned at the top of valve element, described valve element, described the
Annular groove is provided with the opening of three installation slotted eyes, described display lid is inserted at annular groove.
3. a kind of overpressure relief extinguisher valve according to claim 2, it is characterised in that the return spring is placed on close
The top of packing base, described sealing gasket assembly is in the bottom of sealing gasket base, and described adjustment screw covers in return spring
Top；The bottom of the overpressure protection main body is provided with through hole；The lower section of the second described installation slotted eye is provided with the gas communicated therewith
Body passage, one end of the through hole is communicated with gas passage, and the other end is contacted with sealing gasket.
4. a kind of overpressure relief extinguisher valve according to claim 2, it is characterised in that the display lid is tied for bending
Structure, the direction of bending is towards valve element.
5. a kind of overpressure relief extinguisher valve according to claim 1, it is characterised in that be additionally provided with described valve seat
Powderject passage, the exit of the powderject passage is provided with pricking piece and plug, described pricking piece be located at outlet and
Between plug.
6. a kind of overpressure relief extinguisher valve according to claim 1, it is characterised in that be additionally provided with the valve seat logical
Tracheae, described breather pipe is communicated with the first installation slotted eye.
7. a kind of overpressure relief extinguisher valve according to claim 1, it is characterised in that the inner ring of the bung flange is provided with
Screw thread；The outer ring of the valve seat is provided with bulge loop, and described bung flange covers in the outer ring of valve seat and is in contact with bulge loop.
8. a kind of overpressure relief extinguisher valve according to claim 7, it is characterised in that the lower section of the bulge loop is provided with
Sealing ring is installed at annular groove, described annular groove.
9. a kind of overpressure relief extinguisher valve according to claim 1, it is characterised in that on described handle and valve seat
Installation rivet at the corresponding perforation in position, described perforation is respectively equipped with, described rivet is interference fitted with perforation.
10. a kind of overpressure relief extinguisher valve according to claim 1, it is characterised in that the side of the safety fastener connects
Plastic part is connect, opposite side is draw ring structure；Described plastic part is positioned at the side of the button combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271977.0A CN107029370A (en) | 2017-04-24 | 2017-04-24 | A kind of overpressure relief extinguisher valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271977.0A CN107029370A (en) | 2017-04-24 | 2017-04-24 | A kind of overpressure relief extinguisher valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107029370A true CN107029370A (en) | 2017-08-11 |
Family
ID=59535557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710271977.0A Pending CN107029370A (en) | 2017-04-24 | 2017-04-24 | A kind of overpressure relief extinguisher valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107029370A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB911233A (en) * | 1960-03-11 | 1962-11-21 | John Kerr & Company Manchester | Improvements in or relating to fire extinguishers |
| DE2659112A1 (en) * | 1976-12-28 | 1978-07-06 | Hahn Metallbau Gmbh | Portable fire extinguisher using foam - has metal body with synthetic resin internal lining and synthetic resin head to avoid corrosion (SW 5.12.77) |
| FR2676653A1 (en) * | 1991-05-22 | 1992-11-27 | Simon Beril Jean Claude | Mechanical device for visually checking the struck or not struck state and for manual release of gas for a so-called "auxiliary pressure" fire extinguisher |
| CN2413621Y (en) * | 2000-04-13 | 2001-01-10 | 金双喜实业发展有限公司 | Quick action type lid open/close safety device for pressure-cooker |
| CN202070050U (en) * | 2011-05-05 | 2011-12-14 | 东台市星海船用设备有限公司 | Built-in pressure-storage fire extinguisher |
| CN104315143A (en) * | 2014-09-26 | 2015-01-28 | 无锡科莱欣机电制造有限公司 | Pressure container with safety valve |
-
2017
- 2017-04-24 CN CN201710271977.0A patent/CN107029370A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB911233A (en) * | 1960-03-11 | 1962-11-21 | John Kerr & Company Manchester | Improvements in or relating to fire extinguishers |
| DE2659112A1 (en) * | 1976-12-28 | 1978-07-06 | Hahn Metallbau Gmbh | Portable fire extinguisher using foam - has metal body with synthetic resin internal lining and synthetic resin head to avoid corrosion (SW 5.12.77) |
| FR2676653A1 (en) * | 1991-05-22 | 1992-11-27 | Simon Beril Jean Claude | Mechanical device for visually checking the struck or not struck state and for manual release of gas for a so-called "auxiliary pressure" fire extinguisher |
| CN2413621Y (en) * | 2000-04-13 | 2001-01-10 | 金双喜实业发展有限公司 | Quick action type lid open/close safety device for pressure-cooker |
| CN202070050U (en) * | 2011-05-05 | 2011-12-14 | 东台市星海船用设备有限公司 | Built-in pressure-storage fire extinguisher |
| CN104315143A (en) * | 2014-09-26 | 2015-01-28 | 无锡科莱欣机电制造有限公司 | Pressure container with safety valve |
Non-Patent Citations (3)
| Title |
|---|
| 周丹: "《保安防范技术（修订本）》", 31 May 2007, 中国商业出版社 * |
| 张元祥: "《公安派出所及九小场所消防理论与务实》", 30 March 2006, 原子能出版社 * |
| 徐燕: "《企事业单位消防安全实用手册（上卷）》", 31 July 1999, 中国环境科学出版社 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |