CN114483991B - Gas valve for gas conversion - Google Patents
Gas valve for gas conversion Download PDFInfo
- Publication number
- CN114483991B CN114483991B CN202210157773.5A CN202210157773A CN114483991B CN 114483991 B CN114483991 B CN 114483991B CN 202210157773 A CN202210157773 A CN 202210157773A CN 114483991 B CN114483991 B CN 114483991B
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- Prior art keywords
- air inlet
- valve
- valve core
- gas
- cavity
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0214—Plug channel at 90 degrees to the inlet
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The gas valve comprises a valve body, a valve cover, a valve core, a valve rod, a reset spring, a micro switch and a pressing plate, wherein a first air inlet hole, a second air inlet hole and a third air inlet hole are formed in an air inlet and outlet cavity of the valve core; the valve body further comprises a conversion valve core cavity, an auxiliary air inlet channel and an auxiliary air outlet channel which are communicated with the air inlet joint, and the auxiliary air inlet channel, the conversion valve core cavity and the auxiliary air outlet channel are sequentially communicated to form an auxiliary air inlet channel; the auxiliary air inlet channel is connected with the auxiliary air inlet channel through a connecting rod; the valve core is matched with the auxiliary air outlet channel. When the gas type conversion is needed, the conversion valve core is only required to be rotated for a certain angle, the conversion is convenient, and the gas type conversion can be realized without professional staff.
Description
Technical Field
The present invention relates to a gas regulating valve for a gas appliance.
Background
The prior art, (one) a gas valve, including valve body, valve gap, case, valve rod, reset spring, micro-gap switch and clamp plate, the valve body includes the valve core chamber, go out the air cavity and with the air inlet joint of valve core chamber intercommunication, be equipped with the valve rod passageway on the valve gap, the case includes holding chamber and the business turn over air cavity of taking the direction drive groove, valve gap and valve core chamber lock, the pin body on the valve rod and direction drive groove sliding fit, reset spring and the end plate cooperation in valve rod and holding chamber, clamp plate and valve rod normal running fit, the clamp plate cooperates with the micro-gap switch of establishing on the valve gap. The problems are: when the gas is changed, the nozzle needs to be replaced.
And (II) Chinese patent 2015103344443, the safe double-air-source control system comprises a low-heat-value pressure stabilizing valve, a high-heat-value pressure stabilizing valve and an on-off control valve, wherein a main air passage enters the main burner through an adjustable nozzle and burns on the surface of the main burner, and the cross section area of the adjustable nozzle is controlled by an air type converter. The problems are: when the gas is converted, the sectional area of the nozzle is regulated, the standard is difficult to master, and the accuracy is poor.
Disclosure of Invention
The purpose of the invention is that: the gas valve for gas conversion has the characteristic of convenient operation for gas conversion.
The invention is realized in the following way: the gas valve comprises a valve body, a valve cover, a valve core, a valve rod, a reset spring, a micro switch and a pressing plate, wherein the valve body comprises a valve core cavity, an air outlet cavity and an air inlet connector communicated with the valve core cavity; the special feature is that: a first air inlet hole, a second air inlet hole and a third air inlet hole are formed in the air inlet and outlet cavity of the valve core;
the valve body further comprises a conversion valve core cavity, an auxiliary air inlet channel and an auxiliary air outlet channel which are communicated with the air inlet joint, and the auxiliary air inlet channel, the conversion valve core cavity and the auxiliary air outlet channel are sequentially communicated to form an auxiliary air inlet channel;
also comprises a switching valve core,
the switching valve core is arranged in the cavity of the switching valve core, and the switching valve core controls the on-off of the auxiliary air inlet channel and the gas type switching; the valve core is matched with the auxiliary air outlet channel.
The gas valve for gas conversion is characterized in that: the axis of the conversion valve core cavity, the axis of the auxiliary air outlet channel and the axis of the valve core cavity are in the same plane.
The gas valve for gas conversion is characterized in that: the axis of the switching valve core cavity is intersected with the axis of the auxiliary air outlet channel.
The gas valve for gas conversion is characterized in that: the valve core is provided with a second counter bore surrounding the second air inlet hole, a third counter bore surrounding the third air inlet hole, and a circular arc-shaped air guide groove arranged on the valve core is communicated with the third counter bore.
The gas valve for gas conversion is characterized in that: the switching valve core is provided with an axial air hole and a radial air hole along a straight line, and the axial air hole is communicated with the radial air hole;
the radial air hole is communicated with the auxiliary air inlet channel, or the conversion valve core seals the air outlet end of the auxiliary air inlet channel.
The gas valve for gas conversion is characterized in that: the pressing plate comprises a round seat plate, a horizontal guide plate and a vertical pressing plate, and a pivot hole is formed in the round seat plate;
the valve cover is provided with a guide positioning groove, and the valve rod is provided with two jump ring grooves;
the valve rod is in running fit with the pivot hole, the clamp spring is embedded with the clamp spring groove to position the circular seat plate, the horizontal guide plate is in sliding fit with the horizontal positioning groove, and the vertical pressing plate is matched with the button of the micro switch.
The gas valve for gas conversion of the invention adopts the structure, when gas conversion is needed, the conversion valve core is only required to be rotated by a certain angle, the conversion is convenient, and the gas conversion can be realized without professional personnel.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is A-A view of fig. 1.
Fig. 3 is a B-B view of fig. 1.
Fig. 4 is a C-C view of fig. 3.
Fig. 5 is one of the exploded perspective views of the present invention.
Fig. 6 is a second perspective exploded view of the present invention.
Fig. 7 is a front view of the valve cartridge of the present invention.
Fig. 8 is a perspective view of the valve element of the present invention.
Fig. 9 is a cross-sectional view of the valve body of the present invention.
Fig. 10 is a perspective view of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the gas valve for gas conversion comprises a valve body 1, a valve cover 2, a valve core 3, a valve rod 4, a reset spring 5, a micro switch 6 and a pressing plate 7, wherein the valve body 1 comprises a valve core cavity 11, an air outlet cavity 12 and an air inlet joint 13 communicated with the valve core cavity, a valve rod channel 21 is arranged on the valve cover 2, the valve core 3 comprises an accommodating cavity 31 with a guide driving groove 311 and an air inlet and outlet cavity 32, the valve cover 2 is buckled with the valve core cavity 11, and the accommodating cavity 31 stretches into the valve cover 2; the pin body on the valve rod 4 is in sliding fit with the guide driving groove 311, the reset spring 5 is matched with the counter bore at the end part of the valve rod 4 and the end plate of the accommodating cavity 31, the pressing plate 7 is in rotating fit with the valve rod 4, and the pressing plate 7 is matched with the micro switch 6 arranged on the valve cover 2;
the gas species are natural gas and liquefied gas;
the air inlet and outlet cavity 32 of the valve core 3 is provided with a first air inlet hole 331, a second air inlet hole 332 and a third air inlet hole 333; the first air inlet 331, the second air inlet 332 and the third air inlet 333 are sequentially a large fire with large air volume, a medium fire with medium air volume and a small fire with small air volume;
the valve body 1 further comprises a conversion valve core cavity 14, a secondary air inlet channel 141 and a secondary air outlet channel 142 which are communicated with the air inlet joint, and the secondary air inlet channel 141, the conversion valve core cavity 14 and the secondary air outlet channel 142 are sequentially communicated to form a secondary air inlet channel;
also included is a switch-over spool 8,
the conversion valve core 8 is arranged in the conversion valve core cavity 14, and the conversion valve core 8 controls the on-off of the auxiliary air inlet channel and the gas type conversion; the valve core 3 is matched with the auxiliary air outlet channel 142. When the gas type conversion is realized, namely the conversion of natural gas and liquefied gas, only the conversion valve core 8 needs to be rotated for a certain angle.
The axis of the conversion valve core cavity 14, the axis of the auxiliary air outlet channel 142 and the axis of the valve core cavity 11 are in the same plane;
the axis of the shift spool chamber 14 intersects the axis of the secondary air outlet channel 142. With such a structure, the structure is compact.
The switching valve core 8 is provided with an axial air vent 81 and a radial air vent 82 along a straight line, and the axial air vent 81 is communicated with the radial air vent 82;
the radial air hole 82 is communicated with the auxiliary air inlet channel 141, or the switching valve core 8 seals the air outlet end of the auxiliary air inlet channel 141.
As shown in fig. 7 and 8, the valve core 3 is provided with a second counter bore 3321 surrounding the second air inlet hole 332, a third counter bore 3331 surrounding the third air inlet hole 333, and a circular arc air guide groove 3332 arranged on the valve core is communicated with the third counter bore 3331. With this structure, when the second air intake hole 332 is converted into the third air intake hole 333, the continuity of the gas is maintained, and the gas appliance is continuously burned without breaking.
The pressing plate 7 comprises a round seat plate 71, a horizontal guide plate 72 and a vertical pressing plate 73, and a pivot hole is formed in the round seat plate 71;
the valve cover 2 is provided with a guide positioning groove 22, and the valve rod 4 is provided with two clamp spring grooves (not marked);
the valve rod 4 is in rotary fit with the pivot hole, the clamp spring 9 is in embedded fit with the clamp spring groove to position the circular seat plate 71, the horizontal guide plate 72 is in sliding fit with the horizontal positioning groove 22, and the vertical pressing plate 73 is in matched with the button of the micro switch 6.
As shown in fig. 1 and 2, when the invention uses natural gas, as shown in fig. 10, the valve rod 4 is pressed and the valve rod 4 moves, the horizontal guide plate 72 of the pressing plate 7 moves in the guide positioning groove 22, the vertical pressing plate 73 is matched with the button of the micro switch 6, and the micro switch 6 is conducted; the pin body moves in the guide driving groove 311 and compresses the pressure spring 5;
the valve rod 4 is rotated anticlockwise, the valve rod 4 rotates relative to the circular seat plate 71, the first air inlet hole 331 is communicated with the air inlet joint 13, the state of the maximum fuel gas amount is achieved, natural gas enters the air inlet and outlet cavity 32 of the valve core 3 through the air inlet joint 13 and the first air inlet hole 331, and finally enters the air outlet cavity 12 for combustion of a fuel gas appliance; (II) continuing to rotate the valve rod 4, communicating the first air inlet hole 331 with the auxiliary air outlet channel 142, and communicating the second air inlet hole 332 with the air inlet joint 13; and (III) continuing to rotate again, the third air inlet hole 333 is communicated with the air inlet joint 13, and the second air inlet hole 332 is communicated with the auxiliary air outlet channel 142.
In the state of fig. 10, the switching valve core 8 is rotated by 90 degrees, and the switching valve core 8 closes the air outlet end of the auxiliary air outlet channel 142, namely, the state of liquefied gas;
after rotating the valve rod 4, (one) liquefied gas enters the air inlet cavity 32 of the valve core 3 through the air inlet joint 13 and the first air inlet hole 331, and finally enters the air outlet cavity 12 for combustion of the gas appliance; second air intake holes 332 communicate with air intake joint 13; and (III) a third air intake 333 communicates with the air intake joint 13.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The gas valve comprises a valve body, a valve cover, a valve core, a valve rod, a reset spring, a micro switch and a pressing plate, wherein the valve body comprises a valve core cavity, an air outlet cavity and an air inlet connector communicated with the valve core cavity; the method is characterized in that: a first air inlet hole, a second air inlet hole and a third air inlet hole are formed in the air inlet and outlet cavity of the valve core;
the valve body further comprises a conversion valve core cavity, an auxiliary air inlet channel and an auxiliary air outlet channel which are communicated with the air inlet joint, and the auxiliary air inlet channel, the conversion valve core cavity and the auxiliary air outlet channel are sequentially communicated to form an auxiliary air inlet channel;
also comprises a switching valve core,
the switching valve core is arranged in the cavity of the switching valve core, and the switching valve core controls the on-off of the auxiliary air inlet channel and the gas type switching; the valve core is matched with the auxiliary air outlet channel;
the using method is as follows:
in the natural gas state, firstly, a valve rod is pressed to move, a horizontal guide plate of a pressing plate moves in a guide positioning groove, a vertical pressing plate is matched with a button of a micro switch, and the micro switch is conducted; the pin body moves in the guide driving groove and compresses the pressure spring;
the valve rod rotates anticlockwise, the valve rod rotates relative to the round seat plate, the first air inlet hole is communicated with the air inlet joint to be in a state of maximum gas quantity, natural gas enters the air inlet and outlet cavity of the valve core through the air inlet joint and the first air inlet hole, and finally enters the air outlet cavity to be combusted by the gas appliance;
continuing to rotate the valve rod, communicating the first air inlet with the auxiliary air outlet channel, and communicating the second air inlet with the air inlet joint;
(IV) continuing to rotate again, wherein the third air inlet hole is communicated with the air inlet joint, and the second air inlet hole is communicated with the auxiliary air outlet channel;
in the natural gas state, the rotation degree of the conversion valve core is changed, and the conversion valve core seals the gas outlet end of the auxiliary gas outlet channel, namely, the liquefied gas state;
liquefied gas state: the valve rod is rotated to rotate the valve rod,
after passing through the air inlet joint and the first air inlet hole, the liquefied gas enters the air inlet and outlet cavity of the valve core, and finally enters the air outlet cavity for combustion of the gas appliance; the second air inlet hole is communicated with the air inlet joint; and (III) the third air inlet hole is communicated with the air inlet joint.
2. A gas valve for gas shift according to claim 1, wherein: the axis of the conversion valve core cavity, the axis of the auxiliary air outlet channel and the axis of the valve core cavity are in the same plane.
3. A gas valve for gas shift according to claim 2, wherein: the axis of the switching valve core cavity is intersected with the axis of the auxiliary air outlet channel.
4. A gas valve for gas shift according to claim 1, wherein: the valve core is provided with a second counter bore surrounding the second air inlet hole, a third counter bore surrounding the third air inlet hole, and a circular arc-shaped air guide groove arranged on the valve core is communicated with the third counter bore.
5. A gas valve for gas conversion according to claim 1, 2, 3 or 4, wherein: the switching valve core is provided with an axial air hole and a radial air hole along a straight line, and the axial air hole is communicated with the radial air hole;
the radial air hole is communicated with the auxiliary air inlet channel, or the conversion valve core seals the air outlet end of the auxiliary air inlet channel.
6. A gas valve for gas shift according to claim 5, wherein: the pressing plate comprises a round seat plate, a horizontal guide plate and a vertical pressing plate, and a pivot hole is formed in the round seat plate;
the valve cover is provided with a guide positioning groove, and the valve rod is provided with two jump ring grooves;
the valve rod is in running fit with the pivot hole, the clamp spring is embedded with the clamp spring groove to position the circular seat plate, the horizontal guide plate is in sliding fit with the horizontal positioning groove, and the vertical pressing plate is matched with the button of the micro switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210157773.5A CN114483991B (en) | 2022-02-21 | 2022-02-21 | Gas valve for gas conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210157773.5A CN114483991B (en) | 2022-02-21 | 2022-02-21 | Gas valve for gas conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114483991A CN114483991A (en) | 2022-05-13 |
| CN114483991B true CN114483991B (en) | 2023-09-19 |
Family
ID=81481542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210157773.5A Active CN114483991B (en) | 2022-02-21 | 2022-02-21 | Gas valve for gas conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114483991B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158413A (en) * | 2007-11-08 | 2008-04-09 | 李雪亚 | Two kinds of cock valve with transferable air source |
| CN106015648A (en) * | 2016-08-03 | 2016-10-12 | 宁波来特燃气具有限公司 | Fuel gas valve element and fuel gas valve with same |
| WO2017197547A1 (en) * | 2016-05-17 | 2017-11-23 | 李雪波 | Universal dual-gas valve used for facilitating the switching and adjustment of two fuel gases |
| CN214617990U (en) * | 2021-02-07 | 2021-11-05 | 中山利特隆瓦斯器材有限公司 | Air valve and stove suitable for multiple air sources |
-
2022
- 2022-02-21 CN CN202210157773.5A patent/CN114483991B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158413A (en) * | 2007-11-08 | 2008-04-09 | 李雪亚 | Two kinds of cock valve with transferable air source |
| WO2017197547A1 (en) * | 2016-05-17 | 2017-11-23 | 李雪波 | Universal dual-gas valve used for facilitating the switching and adjustment of two fuel gases |
| CN106015648A (en) * | 2016-08-03 | 2016-10-12 | 宁波来特燃气具有限公司 | Fuel gas valve element and fuel gas valve with same |
| CN214617990U (en) * | 2021-02-07 | 2021-11-05 | 中山利特隆瓦斯器材有限公司 | Air valve and stove suitable for multiple air sources |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114483991A (en) | 2022-05-13 |
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