CN113932050A - Gas self-closing valve - Google Patents
Gas self-closing valve Download PDFInfo
- Publication number
- CN113932050A CN113932050A CN202111280729.5A CN202111280729A CN113932050A CN 113932050 A CN113932050 A CN 113932050A CN 202111280729 A CN202111280729 A CN 202111280729A CN 113932050 A CN113932050 A CN 113932050A
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- China
- Prior art keywords
- valve
- cover
- gas self
- closing valve
- connecting part
- 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.)
- Granted
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- 238000004080 punching Methods 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 33
- 238000007789 sealing Methods 0.000 description 9
- 238000004512 die casting Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention provides a gas self-closing valve, and belongs to the technical field of gas. It has solved when guaranteeing the wholeness heavy and the high problem of manufacturing cost. It includes upside open-ended valve body, connect in the valve gap of valve body upside and press from both sides the diaphragm of pressing from both sides between valve body and valve gap outward, the diaphragm center is fixed with the valve rod, the valve rod upper end stretches out the valve gap and is connected with the hood outward, the valve gap includes the caping and the body that is formed by the metal sheet punching press, the body lower pot head is fixed through riveting soon after the valve body upside is outside, the body top is equipped with the mounting hole that both ends run through, the caping lower extreme has the connecting portion that match with the mounting hole, the caping is fixed through riveting after the punching press in the connecting portion below with the body. It has the advantages of good integrity, light weight, low production cost, etc.
Description
Technical Field
The invention belongs to the technical field of gas and relates to a gas self-closing valve.
Background
The fuel gas is a widely used gas fuel, and because the fuel gas has the characteristics of inflammability, explosiveness, poisoning and the like, if the fuel gas leaks, serious safety accidents are easily caused, and therefore the fuel gas entering the combustion appliance needs to be ensured to be kept at normal pressure so as to be combusted fully and stably. At present, a gas self-closing valve is installed in front of a gas appliance, so that the valve is automatically closed when overpressure or underpressure occurs, and gas leakage is prevented.
For example, the patent application No. 201921169822.7 discloses a novel gas pipeline self-closing valve, which comprises a valve body and a valve cover detachably mounted on the valve body, a valve cavity is arranged between the valve body and the valve cover, a diaphragm is arranged in the valve cavity and divides the valve cavity into an upper cavity and a lower cavity which are not communicated with each other, an air inlet cavity and an air outlet cavity are respectively arranged at two sides of the valve body, a valve rod assembly is arranged in the upper cavity, a flow regulating device is arranged in the lower cavity, the bottom end of the valve rod assembly extends into the lower cavity and is connected with the flow regulating device in a matching way, the flow regulating device comprises a floating sealing bolt which is connected with the valve rod assembly in an attracting way, the adjusting base ring is connected with the adjusting screw disc in a sliding mode and detachably connected with the adjusting screw disc, the adjusting base ring is arranged at the position of an inner cavity opening of the air inlet cavity, flow adjusting holes matched with the adjusting screw disc are formed in the adjusting base ring, and the bottom end of the floating sealing bolt abuts against the inner cavity opening of the air inlet cavity. The floating sealing bolt comprises a strong magnetic disc connected with the bottom end of the valve rod assembly in an attracting mode, a floating bolt connected with the bottom end of the strong magnetic disc in a matching mode, and a sealing gasket connected to the bottom end of the floating bolt, wherein the outer wall of the floating bolt is connected with the adjusting screw disc in a matching mode, the strong magnetic disc is attracted with the adjusting screw disc in an interval mode, and the sealing gasket is connected with an inner cavity opening of the air inlet cavity in an abutting mode in a matching mode. The novel gas pipeline self-closing valve can be automatically closed to ensure the safe use of gas without electricity or other external power when the gas supply pressure of the pipeline is under-pressure, overpressure or abnormal flow through the matching of the valve rod assembly and the floating sealing bolt.
In current gas self-closing valve, the valve gap adopts die-casting mode to make the valve gap basically, and the integrative bulge that supplies valve rod subassembly to pass and be used for supplying to draw the handle to cup joint that links firmly is gone up to the valve gap after the shaping, can guarantee the wholeness like this. However, the valve cover is heavy in weight and high in production cost due to die-casting, and the temperature is high during die-casting, so that toxic gas is generated, and the valve cover is harmful to the health of production personnel.
Disclosure of Invention
The invention aims to provide a gas self-closing valve aiming at the problems in the prior art, and solves the problems of heavy weight and high production cost while ensuring integrity.
The purpose of the invention can be realized by the following technical scheme:
the gas self-closing valve comprises a valve body with an opening at the upper side, a valve cover connected to the upper side of the valve body and a diaphragm clamped between the valve body and the valve cover along the outer edge, wherein a valve rod is fixed at the center of the diaphragm, the upper end of the valve rod extends out of the valve cover and is connected with a top cap.
The valve gap sets up to the split type structure of capping and body, and wherein the body adopts the metal sheet punching press to form and makes its wall thickness thinner, can utilize thinner wall thickness to come directly to fix mutually with the valve body through spin-riveting after the cover is outside on the valve body with body lower extreme, has cancelled the use of clamp like this, and the whole weight of valve gap also comparatively obviously alleviates moreover, consequently has reduced manufacturing cost widely. In addition, because the body adopts the metal sheet punching press to lead to can't be like traditional valve gap integrative processing go out with the structure that the caping is corresponding, consequently this gas self-closing valve is through setting up the mounting hole at the body top, and the caping that forms alone passes through connecting portion to insert in the mounting hole, then makes the caping and body riveting fixed form the valve gap together in order to guarantee normal performance and the wholeness of product through the punching press mode again. In the actual working condition of the gas self-closing valve, torsion resistance, impact load resistance and the like are required to act on the valve body, so that the normal use is not influenced due to the fact that the wall thickness of the valve cover in the gas self-closing valve is thin, and meanwhile, the metal plate has certain mechanical strength and can resist impact such as collision in the transportation process. In addition, compared with a die-casting process, the process that the body is punched and the body and the cover head are fixed into a whole in a riveting mode is more environment-friendly and has less health hazard to production personnel.
In the gas self-closing valve, the top wall of the inner side of the body is provided with a matching part formed by downwards punching from the top of the body, the mounting hole is an inner hole of the matching hole, and the matching part can be extruded to deform outwards when the connecting part is punched.
After the body is formed by punching the metal plate, the matching part is formed on the body by a punching mode, and the mounting hole is formed by directly punching the matching part on the body. The matching part is used for matching with the connecting part, particularly, the connecting part of the cover head is inserted into the matching part during processing, the wall thickness of the matching part is as thin as that of the body, and therefore when the connecting part deforms due to stamping, the matching part is extruded to generate the same deformation, and the body and the cover head can be riveted and fixed together. The matching part is directly formed by downwards stamping the top of the body, and the matching part is formed by utilizing the structure of the body, so that the cost is not additionally increased, and the whole weight of the valve cover is not increased.
In the gas self-closing valve, the cover head is internally provided with a connecting hole which penetrates through the bottom surface of the connecting part and is used for being matched with the punch, the hole wall of the connecting hole has a taper formed after being extruded by the punch, the peripheral surface of the connecting part has the same taper as the connecting hole, and the shape of the connecting part is matched with the matching part.
For the capping head before stamping, the connecting hole is a straight hole, the peripheral surface of the connecting part is a cylindrical surface, and the shape of the matching part is the same as that of the connecting part. After the connecting part is inserted into the matching part, a punch with taper is used for punching upwards from a lower end hole opening of the connecting hole, the punch is squeezed into the connecting hole to squeeze the connecting part outwards, so that the connecting hole is changed into the same shape as the punch to have taper, the outer peripheral surface of the connecting part is correspondingly deformed to have taper, and the squeezing matching part is outwards deformed when the connecting part is outwards deformed to realize the riveting fixation of the cover head and the body. The arrangement of the connecting hole enables the connecting part to be more easily deformed by being impacted by the punch during punching.
In the gas self-closing valve, the outer diameter of the cover head is larger than that of the connecting part, and the lower end face of the cover head is attached to the top face of the body.
Through the arrangement, the top surface of the body can be supported by the lower end face of the cover head during stamping, so that the cover head and the body cannot displace during riveting and fixing in stamping, and the firmness of connection is guaranteed.
In the gas self-closing valve, the cover head is made of aluminum material.
The cover head is made of aluminum materials, so that the cover head can be easily deformed to realize riveting fixation when being impacted by the punch.
In the gas self-closing valve, the upper end of the cover head is sleeved with the lifting cap capable of being lifted upwards, the inner side of the lower end of the lifting cap is provided with a convex shoulder, the outer side of the upper end of the cover head is provided with a retaining shoulder which can be matched with the convex shoulder to prevent the lifting cap from being separated from the cover head, and the outer side of the upper end of the top cap is provided with an annular convex part which is abutted against the upper end surface of the lifting cap.
In the gas self-closing valve, the upper side of the valve body is externally provided with a convex edge, the lower side of the body is provided with a connecting sheet, and the lower side of the connecting sheet is inwards screwed and riveted to form a flange buckled on the lower side surface of the convex edge.
Through the setting of connection piece for the connection piece can overlap outside protruding edge of valve body when the body supports and leans on the valve body, then rivet soon inwards through connecting the piece downside, just can make the connection piece downside form to detain the flange at protruding edge downside and make body and valve body fixed together.
In the gas self-closing valve, the body is made of aluminum or copper material.
Compared with the prior art, the gas self-closing valve has the advantages that the valve cover is arranged into the body and the cover head, the body is formed by stamping the metal plate, the thin wall thickness can be utilized to be directly fixed with the valve body through spin riveting, the use of a hoop is omitted, the whole weight of the valve cover is obviously reduced, and therefore the production cost is greatly reduced. In addition, through setting up the mounting hole at the body top, the capping that forms alone passes through connecting portion and inserts in the mounting hole, then makes capping and body riveting fixed form the valve gap in order to guarantee the wholeness of normal performance and product together through the punching press mode again.
Drawings
Fig. 1 is a sectional view of the gas self-closing valve.
FIG. 2 is another angular cross-sectional view of the gas self-closing valve (the cross-sectional direction is perpendicular to that of FIG. 1).
Fig. 3 is a magnified sectional view between the body and the cover head of the gas self-closing valve.
In the figure, 1, a valve body; 1a, an air inlet channel; 1b, an air outlet channel; 1c, air passing holes; 1d, convex edge; 2. a valve cover; 2a, a body; 2a1, connecting sheet; 2a11, ribs; 2a2, mounting holes; 2a3, mating portion; 2b, capping; 2b1, a connecting part; 2b2, connecting hole; 2b3, shoulder; 3. a membrane; 4. a lower cavity; 5. an upper cavity; 6. a valve stem; 7. a top cap; 7a, an annular protrusion; 8. a tray; 8a, a through hole; 9. a movable post; 10. a magnet; 11. a gasket; 12. a spring; 13. lifting the cap; 13a, shoulder.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the gas self-closing valve comprises a valve body 1, a valve cover 2 and a diaphragm 3, wherein the valve body 1 is provided with an opening at the upper side, the valve cover 2 is connected to the upper side of the valve body 1, the outer edge of the diaphragm 3 is clamped between the valve cover 2 and the valve body 1, a lower cavity 4 is formed between the diaphragm 3 and the inner wall of the valve body 1, and an upper cavity 5 is formed between the diaphragm 3 and the inner wall of the valve cover 2. The left end of the valve body 1 is provided with an air inlet channel 1a, the valve body 1 is internally provided with an air passing hole 1c which is arranged along the vertical direction, an upper end orifice of the air passing hole 1c is positioned in the lower cavity 4, the air inlet channel 1a is communicated with the air passing hole 1c in the lateral direction, and the right end of the valve body 1 is provided with an air outlet channel 1b communicated with the lower cavity 4. The center of the diaphragm 3 is fixedly connected with a valve rod 6, the valve rod 6 is made of metal materials, and the upper end of the valve rod 6 extends upwards out of the valve cover 2 and is connected with a top cap 7. Be equipped with tray 8 in the lower cavity 4, tray 8 is the bowl form, and the border of tray 8 presss from both sides tightly between 3 borders of diaphragm and valve body 1, runs through along vertical direction on the tray 8 and is provided with a plurality of through-holes 8 a. A movable column 9 penetrates through the center of the tray 8, a magnet 10 is fixed at the upper end of the movable column 9, a sealing gasket 11 which can abut against an upper end orifice of the air passing hole 1c to form sealing is fixed at the lower end of the movable column 9, a spring 12 is sleeved outside the movable column 9, the spring 12 is in an inverted pagoda shape, and two ends of the spring 12 abut against the tray 8 and the sealing gasket 11 respectively.
Further, as shown in fig. 1, 2 and 3, the bonnet 2 includes a head 2b and a body 2a formed by punching a metal plate, and a lower end of the body 2a is fixed by spin riveting after being sleeved outside the upper side of the valve body 1. Specifically, the body 2a is preferably made of aluminum material or copper material, the upper side of the valve sleeve is provided with a convex edge 1d, the lower side of the body 2a is provided with a connecting sheet 2a1, and the lower side of the connecting sheet 2a1 is riveted inwards to form a rib 2a11 buckled on the lower side of the convex edge 1 d. The top of the body 2a is provided with a mounting hole 2a2 with two ends penetrating through, the lower end of the cover head 2b is provided with a connecting part 2b1 matched with the mounting hole 2a2, the cover head 2b and the body 2a are riveted and fixed after being punched upwards from the lower part of the connecting part 2b1, and the valve rod 6 penetrates through the cover head 2 b. The working principle of the gas self-closing valve can refer to a fault high-identification degree self-closing valve disclosed in the patent application number 202011056786.0, and details are not repeated herein. Furthermore, a lifting cap 13 capable of being lifted upwards is sleeved outside the upper end of the cover head 2b, a shoulder 13a is arranged on the inner side of the lower end of the lifting cap 13, and a stop shoulder 2b3 capable of cooperating with the shoulder 13a to prevent the lifting cap 13 from being separated from the cover head 2b is arranged on the outer side of the upper end of the cover head 2 b. The outer side of the upper end of the top cap 7 is provided with an annular convex part 7a which is abutted against the upper end surface of the lifting cap 13. The use mode of the lifting cap 13 can refer to a novel gas pipeline self-closing valve disclosed in patent application No. 201921169822.7, and is not described in detail herein.
In the present embodiment, as shown in fig. 3, the cap 2b is made of an aluminum material, and can be deformed relatively easily to achieve caulking fixation when receiving an impact from a punch. The inner top wall of the body 2a has a matching part 2a3 punched downwards from the top of the body 2a, and the mounting hole 2a2 is an inner hole of the matching part 2a3, and can press the matching part 2a3 to deform outwards when the connecting part 2b1 is punched. A connecting hole 2b2 penetrating through the bottom surface of the connecting part 2b1 and used for being matched with a punch is arranged in the cover head 2b, the hole wall of the connecting hole 2b2 has a taper formed after being extruded by the punch, the outer peripheral surface of the connecting part 2b1 has the same taper as that of the connecting hole 2b2, and the shape of the connecting part 2b1 is matched with that of the matching part 2a 3. The outer diameter of the cover head 2b is larger than the outer diameter of the matching part 2a3, and the lower end face of the cover head 2b is abutted with the top face of the body 2 a.
Before punching, the matching part 2a3 and the connecting part 2b1 are both cylindrical, and the mounting hole 2a2 and the connecting hole 2b2 are both straight holes. After the connecting portion 2b1 is inserted into the mating portion 2a3, the connecting portion 2b is pressed upward from the lower end opening of the connecting hole 2b2 by a punch having a taper, and the punch is pushed into the connecting hole 2b2 to push the connecting portion 2b1 outward, so that the connecting hole 2b2 is tapered in the same shape as the punch, the outer peripheral surface of the connecting portion 2b1 is tapered by being deformed accordingly, and the press-mating portion 2a3 is deformed outward in the same manner when the connecting portion 2b1 is deformed outward, thereby achieving the caulking fixation of the cap 2b and the body 2 a. The provision of the connection hole 2b2 enables the connection portion 2b1 to be more easily deformed by being struck with a punch at the time of punching.
After the cover head 2b and the body 2a are riveted and fixed to form the valve cover 2, the lower side of the body 2a is abutted to the upper side of the valve body 1, the connecting piece 2a1 is sleeved outside the convex edge 1d outside the upper side of the valve body 1, then the lower side of the connecting piece 2a1 is riveted inwards in a rotating mode, and therefore the flange 2a11 buckled on the lower side surface of the convex edge 1d can be formed on the lower side of the connecting piece 2a1, and the valve cover 2 and the valve body 1 are fixed together.
This gas self-closing valve sets up valve gap 2 into the split type structure of caping 2b and body 2a, and wherein body 2a adopts the metal sheet punching press to form and makes its wall thickness thinner, can utilize thinner wall thickness to come directly to fix mutually with valve body 1 through spin riveting after with body 2a lower pot head outside the valve body 1 upside, has cancelled the use of clamp like this, and valve gap 2's whole weight also comparatively obviously alleviates moreover, consequently has reduced manufacturing cost widely. In addition, since the body 2a is stamped by a metal plate, the structure corresponding to the cover head 2b cannot be integrally machined like the conventional valve cover 2, the gas self-closing valve has the advantages that the mounting hole 2a2 is formed in the top of the body 2a, the separately machined cover head 2b is inserted into the mounting hole 2a2 through the connecting part 2b1, and then the cover head 2b and the body 2a are riveted and fixed together by stamping to form the valve cover 2 so as to ensure normal use performance.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The gas self-closing valve comprises a valve body (1) with an opening at the upper side, a valve cover (2) connected with the upper side of the valve body (1) and a diaphragm (3) with the outer edge clamped between the valve body (1) and the valve cover (2), a valve rod (6) is fixed at the center of the diaphragm (3), the upper end of the valve rod (6) extends out of the valve cover (2) and is connected with a top cap (7), the novel valve cover is characterized in that the valve cover (2) comprises a cover head (2b) and a body (2a) formed by punching a metal plate, the lower end of the body (2a) is sleeved outside the upper side of the valve body (1) and then fixed through riveting, a mounting hole (2a2) with two ends penetrating is formed in the top of the body (2a), a connecting part (2b1) matched with the mounting hole (2a2) is arranged at the lower end of the cover head (2b), and the cover head (2b) and the body (2a) are fixedly riveted after being punched in the lower direction of the connecting part (2b 1).
2. The gas self-closing valve as recited in claim 1, wherein the top wall of the inner side of the body (2a) is provided with a matching part (2a3) punched downwards from the top of the body (2a), and the mounting hole (2a2) is an inner hole of the matching part (2a3) and can press the matching part (2a3) to deform outwards when the connecting part (2b1) is punched.
3. The gas self-closing valve according to claim 2, wherein a connecting hole (2b2) penetrating through the bottom surface of the connecting part (2b1) and used for being matched with the punch is arranged in the cover head (2b), the hole wall of the connecting hole (2b2) has a taper formed after being pressed by the punch, the outer peripheral surface of the connecting part (2b1) has the same taper as that of the connecting hole (2b2), and the shape of the connecting part (2b1) is matched with that of the matching part (2a 3).
4. Gas self-closing valve according to claim 1, 2 or 3, wherein the outer diameter of the cover head (2b) is larger than the outer diameter of the connecting part (2b1), and the lower end surface of the cover head (2b) is abutted with the top surface of the body (2 a).
5. Gas self-closing valve according to claim 4, characterised in that said head (2b) is made of aluminium material.
6. Gas self-closing valve according to claim 1, 2 or 3, wherein the valve body (1) is provided with a convex edge (1d) on the outer side at the upper side, the body (2a) is provided with a connecting piece (2a1) on the lower side, and the lower side of the connecting piece (2a1) is screwed inwards to form a rib (2a11) buckled on the lower side of the convex edge (1 d).
7. Gas self-closing valve according to claim 1, characterised in that said body (2a) is made of aluminium or copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280729.5A CN113932050B (en) | 2021-11-01 | 2021-11-01 | Gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280729.5A CN113932050B (en) | 2021-11-01 | 2021-11-01 | Gas self-closing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113932050A true CN113932050A (en) | 2022-01-14 |
| CN113932050B CN113932050B (en) | 2024-01-12 |
Family
ID=79285206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111280729.5A Active CN113932050B (en) | 2021-11-01 | 2021-11-01 | Gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113932050B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800828A (en) * | 1973-01-16 | 1974-04-02 | Honeywell Inc | Three-way snap-acting gas valve |
| US20020033464A1 (en) * | 2000-09-15 | 2002-03-21 | Uwe Harneit | Linearly regulated gas valve for gas burners |
| CN204533617U (en) * | 2015-03-03 | 2015-08-05 | 虞上海 | Be suitable for the gas valve of different source of the gas |
| CN210890249U (en) * | 2019-09-02 | 2020-06-30 | 北京平恩康汽车技术有限公司 | One-way exhaust valve |
| CN213541426U (en) * | 2020-11-09 | 2021-06-25 | 宁波杰克龙精工有限公司 | Multifunctional gas self-closing valve |
-
2021
- 2021-11-01 CN CN202111280729.5A patent/CN113932050B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3800828A (en) * | 1973-01-16 | 1974-04-02 | Honeywell Inc | Three-way snap-acting gas valve |
| US20020033464A1 (en) * | 2000-09-15 | 2002-03-21 | Uwe Harneit | Linearly regulated gas valve for gas burners |
| CN204533617U (en) * | 2015-03-03 | 2015-08-05 | 虞上海 | Be suitable for the gas valve of different source of the gas |
| CN210890249U (en) * | 2019-09-02 | 2020-06-30 | 北京平恩康汽车技术有限公司 | One-way exhaust valve |
| CN213541426U (en) * | 2020-11-09 | 2021-06-25 | 宁波杰克龙精工有限公司 | Multifunctional gas self-closing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113932050B (en) | 2024-01-12 |
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