CN107883039B - Gas equipment - Google Patents
Gas equipment Download PDFInfo
- Publication number
- CN107883039B CN107883039B CN201711080785.8A CN201711080785A CN107883039B CN 107883039 B CN107883039 B CN 107883039B CN 201711080785 A CN201711080785 A CN 201711080785A CN 107883039 B CN107883039 B CN 107883039B
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- CN
- China
- Prior art keywords
- valve body
- gas
- air flow
- push rod
- pressure
- 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.)
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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
- 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
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a gas device, which comprises a high-pressure end valve body, wherein the high-pressure end valve body comprises a valve body base and a valve body cover arranged at the upper part of the valve body base; the valve body base is internally provided with a plurality of air flow channels, each air flow channel is internally provided with a push rod seat, one end of each air flow channel extends out of the push rod seat, the other end of each air flow channel is sealed, the lower end of each push rod is provided with a first spring for supporting the push rod to seal the air flow channel, the upper part of each push rod seat is provided with a rotating shaft, and one side of the lower end of each rotating shaft is provided with a first boss for downwards pressing the push rod to open the air flow channel. According to the invention, the plurality of air flow channels are arranged on the pressure reducing valve, and the ejector rod and the rotating shaft are arranged to switch different air flow channels, so that one pressure reducing valve can be connected with a plurality of gas cylinders, and when the gas of any gas cylinder is used up, only the air flow channel connected with the other gas cylinder needs to be switched for air intake, thereby enabling the use of the gas equipment to be more convenient and quicker.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a gas device.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting and automatically keeps the outlet pressure stable by depending on the energy of the medium. The existing gas pressure reducing valve can only be connected with one gas inlet pipe, one gas bottle can only be connected with one valve body, the gas pressure reducing valve is limited to be used by one tank and one valve, when gas equipment is actually used, the gas equipment is stopped to replace the gas bottle every time the gas on the gas bottle is used up, and the use and the operation are inconvenient, so that the cooking quality is affected.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a gas device, so as to overcome the problem that the pressure reducing valve in the prior art can only be connected with one gas inlet pipe, and one gas bottle can only be connected with one valve body, resulting in inconvenient use and operation.
The technical scheme of the invention is as follows:
The invention provides a pressure reducing valve, which comprises a high-pressure end valve body, wherein the high-pressure end valve body comprises a valve body base and a valve body cover arranged at the upper part of the valve body base; the valve body is characterized in that a plurality of air flow channels are arranged in the valve body base, each air flow channel is provided with a push rod seat, one end of each air flow channel extends out of the push rod seat, the other end of each air flow channel is sealed, the lower end of each push rod is provided with a first spring for supporting the push rod to seal the air flow channel, the upper part of each push rod seat is provided with a rotating shaft, and one side of the lower end of each rotating shaft is provided with a first boss for downwards pressing the push rod to open the air flow channel.
The pressure reducing valve is characterized in that a second boss connected with the first boss through a curved surface is arranged on the other side of the lower end of the rotating shaft, and the second boss is lower than the first boss.
The pressure reducing valve further comprises an air inlet switch handle arranged at the upper end of the rotating shaft.
The pressure reducing valve is characterized in that the rotating shaft is also provided with a pressure regulating device.
The pressure reducing valve comprises a second spring sleeved on the rotating shaft and a pressure regulating disc arranged at the lower end of the second spring.
The pressure reducing valve is characterized in that the high-pressure end valve body is provided with an air inlet which is connected with the air flow channel and used for being connected with an air inlet pipe.
The pressure reducing valve further comprises a low-pressure end valve body connected with the high-pressure end valve body, and an air outlet is formed in the low-pressure end valve body.
The pressure reducing valve is characterized in that two air flow channels are symmetrically arranged.
The invention also provides a gas device, which comprises an air inlet pipe and the pressure reducing valve connected with the air inlet pipe.
And a leakage-proof device is connected between the pressure reducing valve and the air inlet pipe.
The beneficial effects of the invention are as follows: the invention provides a gas device, which is characterized in that a plurality of gas flow channels are arranged on a pressure reducing valve, so that one pressure reducing valve can have a plurality of gas inlet modes, and different gas flow channels are switched by arranging a push rod and a rotating shaft, so that one pressure reducing valve can be connected with a plurality of gas cylinders, and when the gas of any gas cylinder is used up, the gas can be fed through the gas flow channel connected with the other gas cylinder only by switching, thereby enabling the gas device to be more convenient and quicker to use.
Drawings
Fig. 1 is a schematic cross-sectional structure of a pressure reducing valve according to an embodiment of the present invention.
Fig. 2 is a schematic view of a partial sectional structure of the pressure reducing valve of the present invention fitted with an intake pipe.
Fig. 3 is a schematic view of the bottom structure of the pressure reducing valve of the present invention.
Fig. 4 is a schematic sectional view of the structure along the direction B-B in fig. 3.
Fig. 5 is a schematic view of the structure of the pressure reducing valve and the air inlet pipe of the invention.
FIG. 6 is a schematic view of the structure of the pressure reducing valve of the present invention at another angle with respect to the air inlet pipe.
Fig. 7 is a schematic structural view of a leakage preventing device according to an embodiment of the present invention.
Detailed Description
The invention provides a pressure reducing valve and a gas device, which are used for making the purpose, technical scheme and effect of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, a pressure reducing valve 9 according to a preferred embodiment of the present invention includes a high pressure side valve body 7, wherein the high pressure side valve body 7 includes a valve body base 1 and a valve body cover 2 disposed on an upper portion of the valve body base 1; a plurality of air flow channels 20 are arranged in the valve body base 2, a push rod seat 21 is arranged on each air flow channel 20, a push rod 22 with one end extending out of the push rod seat 21 and the other end closing the air flow channels 20 is arranged in each air flow channel 20, a first spring 23 for supporting the push rod 22 to close the air flow channels 20 is arranged at the lower end of the push rod 22, a rotating shaft 24 is arranged at the upper part of the push rod seat 21, and a first boss 25 for pressing the push rod 22 downwards to open the air flow channels 20 is arranged at one side of the lower end of the rotating shaft 24. Through set up a plurality of air current passageway on the relief pressure valve, make a relief pressure valve can have the mode of admitting air of many places to through setting up ejector pin and pivot in order to switch different air current passageway, make a relief pressure valve can connect a plurality of gas cylinders, only need switch to when the gas of arbitrary gas cylinder is used up the air current passageway air intake of connecting another gas cylinder can, thereby make the use of gas equipment more convenient, swift.
Further, in this embodiment, as shown in fig. 1, a second boss 26 connected to the first boss 25 by a curved surface is disposed on the other side of the lower end of the rotating shaft 24, and the second boss 26 is lower than the first boss 25, so that a structure with a smooth transition of curved surfaces between one side being high, the other side being low, and two steps is formed, and the first boss acts on the ejector rod in any airflow channel by rotation of the rotating shaft, so that the airflow channel is conducted.
Further, in this embodiment, as shown in fig. 1, the pressure reducing valve 9 further includes an air inlet switch handle 27 disposed at an upper end of the rotating shaft 24. The rotating shaft 24 is also provided with a pressure regulating device. The pressure regulating device comprises a second spring 281 sleeved on the rotating shaft 24, and a pressure regulating disc 282 arranged at the lower end of the second spring 281. As shown in fig. 1 and 4, the high-pressure end valve body 7 is provided with an air inlet 29 connected to the air flow passage 20 for connecting with the air intake pipe 5. As shown in fig. 3, the pressure reducing valve is a two-stage valve body, and further comprises a low-pressure end valve body 6 connected with the high-pressure end valve body 7, and an air outlet 89 is arranged on the low-pressure end valve body 6.
Further, referring to fig. 2, 5 and 6, the present embodiment further provides a gas apparatus including an intake pipe 5, and a pressure reducing valve 9 as described above connected to the intake pipe 5. Preferably, a leakage preventing device 4 is connected between the pressure reducing valve and the air inlet pipe 5. As shown in fig. 7, the leakage preventing device 4 includes a check valve body, an air inlet channel 41 and an air outlet channel 42 connected with the air inlet channel 41 are disposed in the check valve body, a mesh ring assembly 43 is mounted at the end of the air outlet channel 42, an air blocking member 44 matched with the air inlet channel 41 for closing (shielding) the air inlet channel 41 is disposed in the air outlet channel 42, and an elastic member 45 matched with the air blocking member 44 for supporting the air blocking member 44 is disposed between the air blocking member 44 and the mesh ring assembly 43.
Further, in this embodiment, as shown in fig. 7, a sealing member 46 is further disposed between the air blocking member 44 and the air intake passage 41. The check valve body comprises a cannula joint 49 and a threaded joint 48 connected with the cannula joint 49, the air inlet channel 41 is arranged in the cannula joint 49, and the air outlet channel 42 is arranged in the threaded joint 48.
Further, in this embodiment, as shown in fig. 7, the inner diameter of the air inlet channel 41 is smaller than the inner diameter of the air outlet channel 42. The seal 46 is preferably an O-ring (O-ring). The air blocking member 44 may be a steel ball or a glass ball, and the elastic member 45 is preferably a spring. The mesh ring assembly 43 is an interference fit with the outlet channel 42. The mesh ring assembly 43 includes a mesh frame and a retainer mesh disposed within the mesh frame. The blocking net can be a rubber net or a metal net.
Further, in this embodiment, as shown in fig. 1 and fig. 4, two air flow channels 20 are symmetrically arranged, such a pressure reducing valve can be connected to two gas cylinders, the gas cylinders are connected to the air inlet pipes on two sides, the direction of the arrow pointing to the air inlet switch handle is the used gas cylinder, and the other side of the knob of the air inlet switch handle is the other gas cylinder to be replaced, so that the gas equipment is more convenient and quick to use. In other embodiments, 3,4, etc. air flow channels may be provided.
In summary, the invention provides a gas device, by arranging a plurality of gas flow channels on the pressure reducing valve, one pressure reducing valve can have a plurality of gas inlet modes, and by arranging the ejector rod and the rotating shaft to switch different gas flow channels, one pressure reducing valve can be connected with a plurality of gas cylinders, and when the gas of any gas cylinder is used up, only the gas flow channel connected with another gas cylinder needs to be switched for gas inlet, so that the gas device is more convenient and quicker to use.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (6)
1. The gas equipment is characterized by comprising an air inlet pipe and a pressure reducing valve connected with the air inlet pipe, wherein the pressure reducing valve comprises a high-pressure end valve body, and the high-pressure end valve body comprises a valve body base and a valve body cover arranged at the upper part of the valve body base; the valve body comprises a valve body base, a valve body and a valve body, wherein a plurality of air flow channels are arranged in the valve body base, a push rod seat is arranged on each air flow channel, a push rod with one end extending out of the push rod seat and the other end closing the air flow channel is arranged in each air flow channel, a first spring for supporting the push rod to close the air flow channel is arranged at the lower end of the push rod, a rotating shaft is arranged at the upper part of the push rod seat, and a first boss for downwards pressing the push rod to open the air flow channel is arranged at one side of the lower end of the rotating shaft;
The high-pressure end valve body is provided with an air inlet which is connected with the air flow channel and used for connecting an air inlet pipe; the pressure reducing valve is a two-section valve body and further comprises a low-pressure end valve body connected with the high-pressure end valve body, and an air outlet is formed in the low-pressure end valve body;
The other side of the lower end of the rotating shaft is provided with a second boss connected with the first boss through a curved surface, and the second boss is lower than the first boss.
2. The gas-fired apparatus according to claim 1, wherein the pressure reducing valve further comprises an air intake switch handle provided at an upper end of the rotary shaft.
3. The gas-fired equipment according to claim 1, wherein a pressure regulating device is further arranged on the rotating shaft.
4. A gas appliance according to claim 3, wherein the pressure regulating means comprises a second spring provided on the shaft and a pressure regulating plate provided at a lower end of the second spring.
5. The gas plant according to claim 1, wherein the gas flow channels are symmetrically arranged in two.
6. The gas plant according to claim 1, characterized in that a leakage prevention device is connected between the pressure reducing valve and the gas inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080785.8A CN107883039B (en) | 2017-11-06 | 2017-11-06 | Gas equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080785.8A CN107883039B (en) | 2017-11-06 | 2017-11-06 | Gas equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107883039A CN107883039A (en) | 2018-04-06 |
| CN107883039B true CN107883039B (en) | 2024-08-09 |
Family
ID=61778960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080785.8A Active CN107883039B (en) | 2017-11-06 | 2017-11-06 | Gas equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107883039B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221467B (en) * | 2023-03-16 | 2024-10-22 | 杭州振达金属科技有限公司 | Pressure reducing valve assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463618Y (en) * | 2001-01-17 | 2001-12-05 | 梁霆 | Gas line timing closing device for gas range |
| CN101109455A (en) * | 2007-08-30 | 2008-01-23 | 陈亮 | Frustum valve |
| CN102695858A (en) * | 2010-01-14 | 2012-09-26 | 曼·胡默尔有限公司 | Control valve unit for a liquid circuit |
| CN207673923U (en) * | 2017-11-06 | 2018-07-31 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of pressure reducing valve and gas-fired equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082162C (en) * | 1998-08-28 | 2002-04-03 | 胡高泉 | Multipurpose interlocking valve |
| CN204187042U (en) * | 2014-09-30 | 2015-03-04 | 平原机器厂（新乡） | A kind of two position-5 way valves |
| CN204512535U (en) * | 2015-03-19 | 2015-07-29 | 宁波华成阀门有限公司 | Hand-operated direction valve |
-
2017
- 2017-11-06 CN CN201711080785.8A patent/CN107883039B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463618Y (en) * | 2001-01-17 | 2001-12-05 | 梁霆 | Gas line timing closing device for gas range |
| CN101109455A (en) * | 2007-08-30 | 2008-01-23 | 陈亮 | Frustum valve |
| CN102695858A (en) * | 2010-01-14 | 2012-09-26 | 曼·胡默尔有限公司 | Control valve unit for a liquid circuit |
| CN207673923U (en) * | 2017-11-06 | 2018-07-31 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of pressure reducing valve and gas-fired equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107883039A (en) | 2018-04-06 |
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