CN114776837B - Safety gas valve with double fire outlet channels - Google Patents
Safety gas valve with double fire outlet channels Download PDFInfo
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- CN114776837B CN114776837B CN202210409336.8A CN202210409336A CN114776837B CN 114776837 B CN114776837 B CN 114776837B CN 202210409336 A CN202210409336 A CN 202210409336A CN 114776837 B CN114776837 B CN 114776837B
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- valve
- valve core
- valve shaft
- ignition
- air outlet
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- 238000009423 ventilation Methods 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 27
- 230000001960 triggered effect Effects 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/24—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
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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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q13/00—Igniters not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Multiple-Way Valves (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention belongs to the technical field of gas valves, and particularly relates to a safety gas valve with double fire outlet channels, which comprises a valve body, a valve core, a valve shaft, an ignition switch and a valve cover, wherein when the valve shaft is in an original state, a limit protrusion keeps a trend of being clamped into a limit groove, so that the valve shaft is limited to rotate, and a user is prevented from rotating the valve shaft by mistake under continuous external force; after the valve shaft is pressed down to the first limit bulge and separated from the limit groove in the original state, the middle part of the lower limit boss limits the second limit bulge to move downwards, the valve shaft rotates along the first inclined plane to further press down and drive the second limit bulge to gradually enter the first ignition groove so that the valve core rotates to enable the valve core to be just connected with the pilot fire channel and open the ignition switch to ignite the pilot fire, the rotation limit boss limits the valve shaft to continue rotating to enable the valve shaft to be connected with the main air outlet channel, and only after the pilot fire is ensured to be ignited firstly, the valve shaft is released to reset and move upwards, and at the moment, the first limit bulge and the limit groove are staggered, the valve shaft can be continuously rotated to adjust the fire, and the operation safety of the gas valve is greatly improved.
Description
[ field of technology ]
The invention belongs to the technical field of gas valves, and particularly relates to a safety gas valve with double fire outlet channels.
[ background Art ]
The national requirements on the safety and rationality of gas valve products are higher and higher, the existing gas valve rotates to any angle position at a valve shaft, and then an ignition switch is triggered by pressing down, so that the situation that a main gas outlet channel is ignited after being ventilated is possible, and the gas valve is dangerous.
[ invention ]
The invention provides a safety gas valve with double fire outlet channels, and aims to solve the problems pointed out by the background technology.
The invention is realized by the following technical scheme:
the safety gas valve with the double fire outlet channels comprises a valve body, a valve core, a valve shaft, an ignition switch and a valve cover, wherein the valve core is rotationally arranged in the valve body, the valve shaft is arranged on the valve body in a penetrating mode and used for driving the valve core to rotate, the valve cover is arranged on the valve body, one side, close to the valve body, of the valve cover is provided with a limiting groove, the valve shaft penetrates through the valve cover and is provided with a first limiting bulge protruding in the radial direction, and the limiting bulge keeps a trend of being blocked into the limiting groove when the valve shaft is in an original state; the valve gap is kept away from one side of valve body and is equipped with rotation spacing boss, lower spacing boss and locates the first ignition groove of spacing boss one side down, one side that spacing boss is close to first ignition groove down is equipped with first inclined plane, first inclined plane is down set up to first ignition groove slope along spacing boss middle part down, be equipped with along radial protruding second spacing arch of establishing on the valve shaft, open the ignition switch when the valve shaft pushes down, the valve shaft pushes down to first spacing arch under the primitive state and breaks away from behind the spacing recess, spacing boss middle part restriction second is spacing protruding down to move down, the valve shaft rotates along first inclined plane and can further push down and drive the spacing arch of second and get into first ignition groove gradually and accomplish the ignition.
The safety gas valve with the double fire outlet channels is characterized in that a second ignition groove is formed in one side, far away from the first ignition groove, of the lower limit boss, a second inclined surface is formed in one side, close to the second ignition groove, of the lower limit boss, the second inclined surface is arranged downwards in an inclined mode towards the second ignition groove along the middle of the lower limit boss, the valve shaft is pressed until the first limit boss breaks away from the limit groove in an original state, the second limit boss is limited to move downwards in the middle of the lower limit boss, and the valve shaft can be rotated along the second inclined surface to further press down to drive the second limit boss to gradually enter the second ignition groove to finish ignition.
The safety gas valve with the double fire outlet channels comprises a valve core chamber, a valve chamber communicated with the valve core chamber, an air inlet channel communicated with the valve core chamber, a first long open fire air outlet channel communicated with the valve core chamber, a first main air outlet channel communicated with the valve core chamber, a second long open fire air outlet channel communicated with the valve core chamber and a second main air outlet channel communicated with the valve core chamber; the valve core is rotationally arranged in the valve core chamber, a valve core ventilation cavity is arranged in the valve core chamber, an opening for communicating the valve core ventilation cavity and the valve core chamber is arranged at the lower part of the valve core, a first through hole for communicating the valve core ventilation cavity and a first main air outlet channel, a second through hole for communicating the valve core ventilation cavity and a first main air outlet channel, a third through hole for communicating the valve core ventilation cavity and a second main air outlet channel, and a fourth through hole for communicating the valve core ventilation cavity and the second main air outlet channel are arranged on the side wall of the valve core; the valve shaft is in transmission connection with the valve core and is used for driving the valve core to rotate.
As described above, the safety gas valve with double fire outlet channels, wherein the valve shaft and the valve core are in the original state, the valve core ventilation cavity and the first long open fire outlet channel are blocked, the valve core ventilation cavity and the first main outlet channel are blocked, the valve core ventilation cavity and the second long open fire outlet channel are blocked, and the valve core ventilation cavity and the second main outlet channel are blocked;
in the process that the valve shaft rotates to a first angle from an original state to a direction close to the first ignition groove, the valve core can be driven to rotate to a first through hole to gradually communicate the valve core ventilation cavity and the first open fire air outlet channel, and meanwhile, the valve core ventilation cavity and the first main air outlet channel are in a blocking state;
in the process that the valve shaft continues to rotate in the same direction from the first angle state, the valve core is driven to rotate to the valve core ventilation cavity and is simultaneously communicated with the first open fire air outlet channel and the first main air outlet channel;
in the process that the valve shaft rotates to a second angle from an original state to a direction close to the second ignition groove, the valve core can be driven to rotate to a third through hole to gradually communicate the valve core ventilation cavity and the second open fire air outlet channel, and meanwhile, the valve core ventilation cavity and the second main air outlet channel are in a blocking state;
in the process that the valve shaft continues to rotate in the same direction from the second angle state, the valve core is driven to rotate to the valve core ventilation cavity and is simultaneously communicated with the second open fire air outlet channel and the second main air outlet channel;
when the valve shaft rotates to a first angle, the second limiting protrusion enters the first ignition groove; when the valve shaft rotates to a second angle, the second limiting protrusion enters the second ignition groove.
The safety gas valve with the double fire outlet channels comprises a solenoid valve and a valve opening assembly, wherein the solenoid valve is arranged in the valve chamber and used for blocking the valve core chamber and the valve chamber; the valve opening assembly is used for opening the electromagnetic valve to communicate the valve core chamber and the valve chamber.
The valve opening assembly comprises a top valve shaft penetrating through the valve body, a valve opening pressing plate and a first elastic element sleeved on the top valve shaft to enable the top valve shaft to keep upward movement trend, one end of the top valve shaft can move downwards to extend into the valve chamber to push the electromagnetic valve to be opened, one end of the valve opening pressing plate is sleeved on the periphery of the valve shaft, the other end of the valve opening pressing plate is located above the top valve shaft, and when the valve shaft moves downwards, the valve opening pressing plate is pushed to push the top valve shaft to move downwards to push the electromagnetic valve.
As described above, the safety gas valve with the double fire outlet channels is characterized in that the first through hole and the third through hole are long-waist-shaped holes, and the length direction of the long-waist-shaped holes is circumferentially arranged along the central shaft of the valve core.
The safety gas valve with the double fire outlet channels is characterized in that the valve shaft is coaxially and fixedly sleeved with the first gear, the valve core is coaxially and fixedly sleeved with the second gear, and the first gear is in transmission connection with the second gear.
The safety gas valve with the double fire outlet channels comprises a control cam, an indication micro switch and an indicating device, wherein the control cam is coaxially and fixedly sleeved on a valve shaft, the indicating micro switch is electrically connected with the indicating micro switch, the control cam is provided with a cam groove along a radial direction, the indication micro switch is provided with an induction contact key, and the induction contact key is separated from the control cam when corresponding to the cam groove so as to disconnect the indication micro switch; the valve shaft rotates to drive the control cam to synchronously rotate, and when the valve shaft rotates to the state that the valve core is communicated with the first main air outlet channel or the second main air outlet channel, the control cam touches the touch key to trigger the indication micro switch.
The safety gas valve with the double fire outlet channels comprises the ignition contact key and the ignition spring piece, one end of the ignition spring piece is located above the ignition contact key, the other end of the ignition spring piece is located below the control cam, the control cam is driven to move downwards when the valve shaft moves downwards, and the control cam presses the ignition spring piece downwards to press the ignition contact key.
Compared with the prior art, the invention has the following advantages:
1. the invention provides a safety gas valve with double fire outlet channels, which comprises a valve body, a valve core, a valve shaft, an ignition switch and a valve cover, wherein a limiting groove is formed in one side, close to the valve body, of the valve cover; the valve cover is provided with a rotating limiting boss, a lower limiting boss and a first ignition groove arranged on one side of the lower limiting boss, a first inclined surface is arranged on one side of the lower limiting boss, which is close to the first ignition groove, the first inclined surface is obliquely downwards arranged towards the first ignition groove along the middle part of the lower limiting boss, the valve shaft is provided with a second limiting bulge which is radially convexly arranged, after the valve shaft is pressed down to the first limiting bulge in an original state and is separated from the limiting groove, the middle part of the lower limiting boss limits the second limiting bulge to downwards move, the valve shaft can be further pressed down along the first inclined surface to drive the second limiting bulge to gradually enter the first ignition groove so that the valve core rotates at an angle just for switching on a pilot fire channel and opening an ignition switch for igniting the pilot fire, and the rotating limiting boss limits the valve shaft to continuously rotate to switch on a main air outlet channel, and only after the pilot fire is ignited firstly, the reset upwards movement of the valve shaft is released, the first limiting bulge and the limiting groove are dislocated, and the valve shaft can continuously rotate to adjust fire, so that the operation safety of the gas valve is greatly improved;
2. according to the safety gas valve with the double fire outlet channels, when the valve shaft rotates, the valve core can be driven to rotate, the valve core is communicated with the valve core ventilation cavity and the first open fire outlet channel through the first through hole in the process of rotating along one direction, so that the first open fire outlet channel is ventilated firstly, meanwhile, when the valve shaft is pressed down, the ignition switch is turned on to ignite the open fire, and when the valve core continues to rotate, the valve core ventilation cavity and the first main outlet channel are communicated through the second through hole, so that the first main outlet channel is ventilated; in the same way, when the valve shaft drives the valve core to reversely rotate, the second long open fire air outlet channel firstly discharges air to ignite the long open fire, and the valve core is continuously rotated to discharge air from the second main air outlet channel, so that a user can select the first main air outlet channel or the second main air outlet channel to discharge air, one gas valve can control two fire powers, the use is more convenient, and simultaneously, the two main air outlet channels are communicated with the corresponding long open fire channels and ignite the long open fire before discharging air, thereby ensuring the use safety;
3. the invention also comprises an electromagnetic valve and a valve opening assembly, wherein the electromagnetic valve is arranged in the valve chamber and used for blocking the valve core chamber and the valve chamber; the valve opening assembly is used for opening the electromagnetic valve to communicate the valve core chamber and the valve chamber; when the valve shaft is pressed down, the electromagnetic valve is opened through the valve opening assembly, so that fuel gas is led into the valve chamber from the air inlet channel through the valve core chamber, and the electromagnetic valve can be triggered only by pushing the valve opening pressing plate and the top valve shaft to be pressed down when the valve shaft is pressed down, so that the valve core chamber is communicated with the valve chamber;
4. the invention also comprises a control cam coaxially and fixedly sleeved on the valve shaft, an indication micro switch and an indication device electrically connected with the indication micro switch, wherein the control cam is provided with a cam groove along the radial direction in a concave manner, the indication micro switch is provided with an induction contact key, and the induction contact key is separated from the control cam when corresponding to the cam groove so as to disconnect the indication micro switch; the valve shaft rotates and drives the control cam to synchronously rotate, when the valve shaft rotates to the valve core and is communicated with the first main air outlet channel or the second main air outlet channel, the control cam touches the touch key to trigger the indication micro switch, the indication micro switch is electrically connected with the indication device, the indication device judges whether the first main air outlet channel is connected or not by acquiring a signal for indicating the disconnection or triggering of the micro switch so as to play an indication role, so that an operator can clearly know the connection or blocking condition of the first main air outlet channel, and the operation is safer.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the E-E of FIG. 2;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a schematic cross-sectional view of the structure of FIG. 2 in the direction A-A;
FIG. 6 is a schematic cross-sectional view of the structure in the direction B-B in FIG. 2;
FIG. 7 is a schematic cross-sectional view of the structure of FIG. 2 in the direction C-C;
FIG. 8 is a schematic cross-sectional view of the structure of FIG. 2 in the direction D-D;
fig. 9 is a schematic structural view of a valve core according to the present invention.
[ detailed description ] of the invention
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. 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.
When embodiments of the present invention refer to the ordinal terms "first," "second," etc., it is to be understood that they are merely used for distinguishing between them unless the order of their presentation is indeed dependent on the context.
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 mechanically or electrically connected; 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.
The safety gas valve with the double fire outlet channels comprises a valve body 1, a valve core 2 rotatably arranged in the valve body 1, a valve shaft 3 penetrating through the valve body 1 and used for driving the valve core 2 to rotate, an ignition switch 4 and a valve cover 5 arranged on the valve body 1, wherein a limit groove 51 is formed in one side, close to the valve body 1, of the valve cover 5, the valve shaft 3 penetrates through the valve cover 5 and is provided with a first limit protrusion 31 protruding in the radial direction, and the first limit protrusion 31 keeps clamping in the limit groove 51 trend when the valve shaft 3 is in an original state; the valve gap 5 is equipped with rotation spacing boss 52, lower spacing boss 53 and locates the first ignition groove 54 of lower spacing boss 53 one side of keeping away from valve body 1, one side that lower spacing boss 53 is close to first ignition groove 54 is equipped with first inclined plane 531, first inclined plane 531 sets up downwards to first ignition groove 54 slope along lower spacing boss 53 middle part, be equipped with along radial protruding second spacing arch 32 of establishing on the valve shaft 3, the ignition switch 4 is opened when valve shaft 3 pushes down, after valve shaft 3 pushes down to first spacing arch 31 in the original state and breaks away from spacing recess 51, spacing protruding 32 of second is restrained down to lower spacing boss 53 middle part, valve shaft 3 rotates along first inclined plane 531 and can further push down and drive second spacing arch 32 and get into first ignition groove 54 gradually and accomplish the ignition. When the valve shaft is in an original state, the limit protrusion keeps clamping in the limit groove trend, so that the valve shaft is limited to rotate, and the valve shaft is prevented from being mistakenly rotated under the continuous external force of a user; after the valve shaft is pressed down to the first limit bulge and separated from the limit groove in the original state, the middle part of the lower limit bulge limits the second limit bulge to move downwards, the valve shaft rotates along the first inclined plane to further press down and drive the second limit bulge to gradually enter the first ignition groove so that the valve core rotates at an angle just for switching on the first pilot fire channel and opening the ignition switch to ignite the pilot fire, the rotation limit boss limits the valve shaft to continue to rotate so as to switch on the first main air outlet channel, and only after the pilot fire is ignited first, the valve shaft is released to reset and move upwards, and at the moment, the first limit bulge and the limit groove are staggered, the valve shaft can be continuously rotated so as to adjust the fire, and the operation safety of the gas valve is greatly improved.
Specifically, a second ignition groove 55 is arranged on one side, far away from the first ignition groove 54, of the lower limiting boss 53, a second inclined plane 532 is arranged on one side, close to the second ignition groove 55, of the lower limiting boss 53, the second inclined plane 532 is obliquely downwards arranged towards the second ignition groove 55 along the middle of the lower limiting boss 53, the valve shaft 3 is pressed until the first limiting boss 31 is separated from the limiting groove 51 in an original state, the second limiting boss 32 is limited to move downwards in the middle of the lower limiting boss 53, and the valve shaft 3 can be rotated along the second inclined plane 532 to further press down to drive the second limiting boss 32 to gradually enter the second ignition groove 55 to finish ignition. The valve shaft rotates along the second inclined plane and can further press down and drive the second limiting bulge to gradually enter the second ignition groove so that the valve core rotates at an angle just turns on the second open fire channel and turns on the ignition switch to ignite the open fire, the rotation limiting boss limits the valve shaft to continue rotating to turn on the second main air outlet channel, only after the open fire is ignited first, the valve shaft is released to reset and move upwards, at the moment, the first limiting bulge and the limiting groove are staggered, the valve shaft can be continuously rotated to adjust fire, and the operation safety of the gas valve is greatly improved.
In addition, the valve body 1 is internally provided with a valve core chamber 11, a valve chamber 12 communicated with the valve core chamber 11, an air inlet channel 13 communicated with the valve chamber 12, a first long open fire air outlet channel 14 communicated with the valve core chamber 11, a first main air outlet channel 15 communicated with the valve core chamber 11, a second long open fire air outlet channel 16 communicated with the valve core chamber 11 and a second main air outlet channel 17 communicated with the valve core chamber 11; the valve core 2 is rotatably arranged in the valve core chamber 11, a valve core ventilation chamber 21 is arranged in the valve core chamber, an opening for communicating the valve core ventilation chamber 21 with the valve core chamber 11 is arranged at the lower part of the valve core 2, a first through hole 22 for communicating the valve core ventilation chamber 21 with the first main air outlet channel 14, a second through hole 23 for communicating the valve core ventilation chamber 21 with the first main air outlet channel 15, a third through hole 24 for communicating the valve core ventilation chamber 21 with the second main air outlet channel 16, and a fourth through hole 25 for communicating the valve core ventilation chamber 21 with the second main air outlet channel 17 are arranged on the side wall of the valve core 2; the valve shaft 3 is in transmission connection with the valve core 2 and is used for driving the valve core 2 to rotate. The valve shaft rotates to drive the valve core to rotate, the valve core is communicated with the valve core ventilation cavity and the first open fire air outlet channel through the first through hole in the process of rotating along one direction, so that the first open fire air outlet channel is ventilated firstly, meanwhile, when the valve shaft is pressed down, the ignition switch is turned on to ignite the open fire, and the valve core is communicated with the valve core ventilation cavity and the first main air outlet channel through the second through hole in the process of continuing rotating, so that the first main air outlet channel is ventilated; similarly, when the valve shaft drives the valve core to reversely rotate, the second open fire air outlet channel firstly discharges air to ignite the open fire, and the valve core is continuously rotated to enable the second main air outlet channel to discharge air, so that a user can select the first main air outlet channel or the second main air outlet channel to discharge air, one gas valve can control two fire powers, the use is more convenient, and simultaneously, the two main air outlet channels are communicated with the corresponding open fire channels and ignite the open fire before air is discharged, so that the use safety is ensured.
Further, in the original state of the valve shaft 3 and the valve core 2, the valve core ventilation cavity 21 and the first long open fire air outlet channel 14 are blocked, the valve core ventilation cavity 21 and the first main air outlet channel 15 are blocked, the valve core ventilation cavity 21 and the second long open fire air outlet channel 16 are blocked, and the valve core ventilation cavity 21 and the second main air outlet channel 17 are blocked;
in the process that the valve shaft 3 rotates to a first angle from an original state towards a direction approaching to the first ignition groove 54, the valve core 2 can be driven to rotate until the first through hole 22 is gradually communicated with the valve core ventilation cavity 21 and the first open fire air outlet channel 14, and meanwhile, the valve core ventilation cavity 21 and the first main air outlet channel 15 are in a blocking state;
in the process that the valve shaft 3 continues to rotate in the same direction from the first angle state, the valve core 2 is driven to rotate to the valve core ventilation cavity 21 and is simultaneously communicated with the first open fire air outlet channel 14 and the first main air outlet channel 15;
in the process that the valve shaft 3 rotates to a second angle from the original state towards the direction approaching to the second ignition groove 55, the valve core 2 can be driven to rotate until the third through hole 24 gradually communicates the valve core ventilation cavity 21 and the second open fire air outlet channel 16, and meanwhile, the valve core ventilation cavity 21 and the second main air outlet channel 17 are in a blocking state;
in the process that the valve shaft 3 continues to rotate in the same direction from the second angle state, the valve core 2 is driven to rotate to the valve core ventilation cavity 21 and is simultaneously communicated with the second open fire air outlet channel 16 and the second main air outlet channel 17;
when the valve shaft 3 rotates to a first angle, the second limiting protrusion 32 enters the first ignition groove 54; when the valve shaft 3 rotates to a second angle, the second limiting protrusion 32 enters the second ignition groove 55. Specifically, the first angle is equal in magnitude to the second angle.
More specifically, the valve assembly further comprises a solenoid valve 6 and a valve opening assembly 7, wherein the solenoid valve 6 is arranged in the valve chamber 12 and used for blocking the valve core chamber 11 and the valve chamber 12; the valve opening assembly 7 is used for opening the electromagnetic valve 6 to communicate the valve core chamber 11 and the valve chamber 12. The valve opening assembly 7 comprises a top valve shaft 71 penetrating through the valve body 1, a valve opening pressing plate 72 and a first elastic element 73 sleeved on the top valve shaft 71 to enable the top valve shaft 71 to keep moving upwards, one end of the top valve shaft 71 can move downwards to extend into the valve chamber 12 to push the electromagnetic valve 6 to be opened, one end of the valve opening pressing plate 72 is sleeved on the periphery of the valve shaft 3, the other end of the valve opening pressing plate 72 is located above the top valve shaft 71, and when the valve shaft 3 moves downwards, the valve opening pressing plate 72 is pushed downwards, so that the valve opening pressing plate 72 pushes the top valve shaft 71 downwards to push the electromagnetic valve 6. When the valve shaft is pressed down, the electromagnetic valve is opened through the valve opening assembly, so that fuel gas is led into the valve chamber from the air inlet channel through the valve core chamber, and the electromagnetic valve can be triggered only by pushing the valve opening pressing plate and pushing the valve shaft to press down when the valve shaft is pressed down, so that the valve core chamber is communicated with the valve chamber, and if the valve shaft is not pressed down in place, the electromagnetic valve cannot be triggered, and fuel gas does not flow out when the valve core rotates, so that the operation is safer.
Further, the first through hole 22 and the third through hole 24 are long-waist holes, and the length direction of the long-waist holes is circumferentially arranged along the central axis of the valve core 2. In the process that the first through hole 22 rotates along with the valve core 2, the valve core ventilation cavity 21 and the first long-time open fire air outlet channel 14 are firstly communicated, and after the valve core ventilation cavity 21 and the first main air outlet channel 15 are continuously rotated, the valve core ventilation cavity 21 and the first long-time open fire air outlet channel 14 are communicated by the second through hole 23, and at the moment, the valve core ventilation cavity 21 and the first long-time open fire air outlet channel 14 are communicated by the first through hole at any time, even though the valve core ventilation cavity 21 is simultaneously communicated with the first long-time open fire air outlet channel 14 and the first main air outlet channel 15; similarly, the third through hole 24 with a long waist shape is communicated with the valve core ventilation cavity 21 and the second long open fire air outlet channel 16, and then the valve core ventilation cavity 21 is communicated with the second long open fire air outlet channel 16 and the second main air outlet channel 17 at the same time.
Still further, the valve shaft 3 is coaxially and fixedly sleeved with a first gear 33, the valve core 2 is coaxially and fixedly sleeved with a second gear 26, and the first gear 33 is in transmission connection with the second gear 26. So that the valve shaft 3 drives the valve core 2 to rotate stably.
Specifically, the valve further comprises a control cam 8, an indication micro switch 9 and an indication device (not shown in the figure) which are coaxially and fixedly sleeved on the valve shaft 3, wherein the control cam 8 is provided with a cam groove 81 along a radial direction in a concave manner, the indication micro switch 9 is provided with an induction contact key 91, and the induction contact key 91 is separated from the control cam 8 when corresponding to the cam groove 81 so as to disconnect the indication micro switch 9; when the valve shaft 3 rotates, the control cam 8 is driven to synchronously rotate, and when the valve shaft 3 rotates to the state that the valve core 2 is communicated with the first main air outlet channel 15 or the second main air outlet channel 17, the control cam 8 touches the touch key 91 to trigger the indication micro switch 9. The indicating micro switch is electrically connected with the indicating device, and the indicating device judges whether the first main air outlet channel is connected or not by acquiring a signal for indicating the micro switch to be disconnected or triggered so as to play an indicating role, so that an operator can clearly know the connection or disconnection condition of the first main air outlet channel, and the operation is safer. Specifically, the cam groove 81 includes a first side wall surface 811 and a second side wall surface 812 that are disposed opposite to each other, and the valve shaft 3 and the valve body 2 are in the original state when the induction contact key 91 is located intermediate the first side wall surface 811 and the second side wall surface 812. When the valve shaft 3 rotates to a first angle, the first side wall surface 811 just contacts the sensing contact key 91; when the valve shaft 3 rotates to a second angle, the second sidewall 812 just contacts the sensing contact key 91.
More specifically, the ignition switch 4 includes an ignition contact key 41 and an ignition spring 42, one end of the ignition spring 42 is located above the ignition contact key 41, the other end is located below the control cam 8, when the valve shaft 3 moves down, the control cam 8 is driven to move down, and the control cam 8 presses the ignition spring 42 down to press the ignition contact key 41. When the valve shaft 3 rotates along the first inclined plane 531 to further press down and drive the second limiting protrusion 32 to gradually enter the first ignition groove 54, the valve core 2 rotates to the first through hole 22 to communicate the valve core ventilation cavity 21 and the first long open fire air outlet channel 14, meanwhile, the control cam 8 presses down the ignition spring piece 42 to the contact point fire contact key 41 to ignite, the first long open fire air outlet channel 14 ignites on long open fire, after the valve shaft 3 is loosened, the valve shaft 3 is reset to move up to the second limiting protrusion 32 to separate from the first ignition groove 54, at this time, the first limiting protrusion and the limiting groove are staggered, and the valve shaft can be continuously rotated to adjust fire, so that the operation safety of the gas valve is greatly improved; similarly, when the valve shaft 3 rotates along the second inclined plane 532 to further press down and drive the second limiting protrusion 32 to gradually enter the second ignition groove 55, the valve core 2 rotates to the third through hole 24 to communicate the valve core ventilation cavity 21 with the second open fire air outlet channel 16, meanwhile, the control cam 8 presses down the ignition spring piece 42 to the contact point fire contact key 41 to ignite, the second open fire air outlet channel 16 ignites open fire, after the valve shaft 3 is loosened, the valve shaft 3 moves up to the second limiting protrusion 32 to disengage from the second ignition groove 55 in a resetting manner, at this time, the first limiting protrusion and the limiting groove are dislocated, and the valve shaft can be continuously rotated to adjust fire.
Further, a thermocouple 18 is also included in electrical connection with the solenoid valve 6. After the solenoid valve is opened, a current for maintaining the solenoid valve to be opened is generated through the thermocouple 18, so that the solenoid valve 6 is not closed after the valve shaft 3 is loosened, reset and moved upwards.
Still further, an air outlet valve port 151 is provided in the middle of the first main air outlet channel 15, a lifting on-off valve member 10 is provided below the air outlet valve port 151, the lifting on-off valve member 10 is connected with the valve shaft 3, and the valve shaft 3 drives the lifting on-off valve member 10 to move downwards away from the air outlet valve port 151 during the anticlockwise rotation process of the valve shaft 3 so as to increase the opening degree of the air outlet valve port 151; the valve shaft 3 drives the lifting on-off valve member 10 to move upwards to be close to the air outlet valve port 151 in the clockwise rotation process, so as to reduce the opening degree of the air outlet valve port 151. Specifically, the lifting on-off valve member 10 includes an adjusting column 101 and a valve plate 102 disposed on the circumferential side of the adjusting column 101, wherein a threaded hole 103 with a downward opening is disposed at the bottom of the adjusting column 101, and a threaded column 104 inserted into and screwed with the threaded hole 103 is disposed below the adjusting column 101; the bottom of the valve body 1 is fixedly provided with a power component 105 in a penetrating way, the threaded column 104 is arranged on the power component 105, the power component 105 can move up and down through thermal expansion and contraction, and the lower part of the valve plate 102 is arranged on a second elastic element 106. The power part is connected with the temperature sensing rod through the heat conduction part, the temperature sensing oil is arranged in the power part, the power part is driven to move up and down through thermal expansion and contraction, when a certain temperature is reached, the temperature sensing rod conducts heat to the temperature sensing oil through the heat conduction part, the power part moves up and down under the pushing of the temperature sensing oil, the adjustment of the up and down positions of the valve plate is finally realized, the air outlet quantity of the first main air outlet channel is controlled, the gas valve has an automatic temperature control adjusting function, the valve plate can not be effectively blocked due to the fact that the amplitude of the upward movement of the power part under the thermal expansion effect is not very large, and the valve plate can not be effectively blocked due to the effect of the auxiliary spring.
The above description of one embodiment provided in connection with the specific content does not set forth limitation to the specific implementation of the present invention, and is not limited to the above designations but is not limited to english designations due to the different industry designations. The method, structure, etc. similar to or identical to those of the present invention, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present invention.
Claims (7)
1. The safety gas valve with the double fire outlet channels is characterized by comprising a valve body (1), a valve core (2) rotationally arranged in the valve body (1), a valve shaft (3) penetrating through the valve body (1) and used for driving the valve core (2) to rotate, an ignition switch (4) and a valve cover (5) arranged on the valve body (1), wherein a limit groove (51) is formed in one side, close to the valve body (1), of the valve cover (5), the valve shaft (3) penetrates through the valve cover (5) and is provided with a first limit protrusion (31) protruding in the radial direction, and the first limit protrusion (31) keeps clamping in the limit groove (51) trend when the valve shaft (3) is in an original state; the valve cover (5) is provided with a rotation limiting boss (52), a lower limiting boss (53) and a first ignition groove (54) arranged on one side of the lower limiting boss (53), a first inclined surface (531) is arranged on one side of the lower limiting boss (53) close to the first ignition groove (54), the first inclined surface (531) is obliquely downwards arranged towards the first ignition groove (54) along the middle of the lower limiting boss (53), the valve shaft (3) is provided with a second limiting boss (32) protruding along the radial direction, the ignition switch (4) is turned on when the valve shaft (3) is downwards pressed, after the valve shaft (3) is downwards pressed until the first limiting boss (31) is separated from the limiting groove (51) in an original state, the second limiting boss (32) is limited to downwards move by the middle of the lower limiting boss (53), and the valve shaft (3) can be downwards pressed along the first inclined surface (531) in a rotating mode to drive the second limiting boss (32) to gradually enter the first ignition groove (54) to finish ignition;
a second ignition groove (55) is formed in one side, far away from the first ignition groove (54), of the lower limit boss (53), a second inclined surface (532) is formed in one side, close to the second ignition groove (55), of the lower limit boss (53), the second inclined surface (532) is obliquely downwards arranged towards the second ignition groove (55) along the middle of the lower limit boss (53), after the valve shaft (3) is pressed until the first limit boss (31) is separated from the limit groove (51) in an original state, the second limit boss (32) is limited to move downwards by the middle of the lower limit boss (53), and the valve shaft (3) can be rotated along the second inclined surface (532) to further downwards press the second limit boss (32) to gradually enter the second ignition groove (55) to finish ignition;
the valve body (1) is internally provided with a valve core chamber (11), a valve chamber (12) communicated with the valve core chamber (11), an air inlet channel (13) communicated with the valve chamber (12), a first open fire air outlet channel (14) communicated with the valve core chamber (11), a first main air outlet channel (15) communicated with the valve core chamber (11), a second open fire air outlet channel (16) communicated with the valve core chamber (11) and a second main air outlet channel (17) communicated with the valve core chamber (11); the valve core (2) is rotationally arranged in the valve core chamber (11) and is internally provided with a valve core ventilation cavity (21), the lower part of the valve core (2) is provided with an opening for communicating the valve core ventilation cavity (21) with the valve core chamber (11), and the side wall of the valve core (2) is provided with a first through hole (22) for communicating the valve core ventilation cavity (21) with a first open fire ventilation channel (14), a second through hole (23) for communicating the valve core ventilation cavity (21) with a first main ventilation channel (15), a third through hole (24) for communicating the valve core ventilation cavity (21) with a second open fire ventilation channel (16) and a fourth through hole (25) for communicating the valve core ventilation cavity (21) with a second main ventilation channel (17); the valve shaft (3) is in transmission connection with the valve core (2) and is used for driving the valve core (2) to rotate;
the valve shaft (3) and the valve core (2) are in an original state, the valve core ventilation cavity (21) is blocked with the first long open fire air outlet channel (14), the valve core ventilation cavity (21) is blocked with the first main air outlet channel (15), the valve core ventilation cavity (21) is blocked with the second long open fire air outlet channel (16), and the valve core ventilation cavity (21) is blocked with the second main air outlet channel (17);
in the process that the valve shaft (3) rotates to a first angle from an original state towards a direction close to the first ignition groove (54), the valve core (2) can be driven to rotate to a first through hole (22) to gradually communicate the valve core ventilation cavity (21) with the first open fire air outlet channel (14), and meanwhile, the valve core ventilation cavity (21) and the first main air outlet channel (15) are in a blocking state;
in the process that the valve shaft (3) continues to rotate in the same direction from the first angle state, the valve core (2) is driven to rotate to the valve core ventilation cavity (21) and is simultaneously communicated with the first open fire air outlet channel (14) and the first main air outlet channel (15);
in the process that the valve shaft (3) rotates to a second angle from an original state towards a direction close to the second ignition groove (55), the valve core (2) can be driven to rotate to a third through hole (24) to gradually communicate the valve core ventilation cavity (21) with the second open fire air outlet channel (16), and meanwhile, the valve core ventilation cavity (21) and the second main air outlet channel (17) are in a blocking state;
in the process that the valve shaft (3) continues to rotate in the same direction from the second angle state, the valve core (2) is driven to rotate to the valve core ventilation cavity (21) and is simultaneously communicated with the second open fire air outlet channel (16) and the second main air outlet channel (17);
when the valve shaft (3) rotates to a first angle, the second limiting protrusion (32) enters the first ignition groove (54); when the valve shaft (3) rotates to a second angle, the second limiting protrusion (32) enters the second ignition groove (55).
2. The safety gas valve with double fire outlet channels according to claim 1, further comprising a solenoid valve (6) and a valve opening assembly (7), the solenoid valve (6) being arranged in the valve chamber (12) for blocking the valve core chamber (11) and the valve chamber (12); the valve opening assembly (7) is used for opening the electromagnetic valve (6) to communicate the valve core chamber (11) and the valve chamber (12).
3. The safety gas valve with the double fire outlet channels according to claim 2, wherein the valve opening assembly (7) comprises a top valve shaft (71) penetrating through the valve body (1), a valve opening pressing plate (72) and a first elastic element (73) sleeved on the top valve shaft (71) to enable the top valve shaft (71) to keep upward movement trend, one end of the top valve shaft (71) can move downwards into the valve chamber (12) to push the opening electromagnetic valve (6), one end of the valve opening pressing plate (72) is sleeved on the circumference side of the valve shaft (3), the other end of the valve opening pressing plate is located above the top valve shaft (71), and when the valve shaft (3) moves downwards, the valve opening pressing plate (72) pushes the top valve shaft (71) downwards to push the opening electromagnetic valve (6).
4. The safety gas valve with the double fire outlet channels according to claim 1, wherein the first through hole (22) and the third through hole (24) are long-waist-shaped holes, and the length direction of the long-waist-shaped holes is circumferentially arranged along the central shaft of the valve core (2).
5. The safety gas valve with the double fire outlet channels according to claim 1, wherein a first gear (33) is coaxially and fixedly sleeved on the valve shaft (3), a second gear (26) is coaxially and fixedly sleeved on the valve core (2), and the first gear (33) is in transmission connection with the second gear (26).
6. The safety gas valve with the double fire outlet channels according to claim 1, further comprising a control cam (8) coaxially and fixedly sleeved on the valve shaft (3), an indication micro switch (9) and an indication device electrically connected with the indication micro switch (9), wherein the control cam (8) is provided with a cam groove (81) along a radial concave direction, the indication micro switch (9) is provided with an induction contact key (91), and the induction contact key (91) is separated from the control cam (8) when corresponding to the cam groove (81) so as to disconnect the indication micro switch (9); the control cam (8) is driven to synchronously rotate when the valve shaft (3) rotates, and when the valve shaft (3) rotates to the valve core (2) to be communicated with the first main air outlet channel (15) or the second main air outlet channel (17), the control cam (8) touches the touch-sensitive contact key (91) to trigger the indication micro switch (9).
7. The safety gas valve with the double fire outlet channels according to claim 6, wherein the ignition switch (4) comprises an ignition contact key (41) and an ignition spring piece (42), one end of the ignition spring piece (42) is located above the ignition contact key (41), the other end of the ignition spring piece is located below the control cam (8), the control cam (8) is driven to move downwards when the valve shaft (3) moves downwards, and the control cam (8) presses the ignition spring piece (42) downwards to press the ignition contact key (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409336.8A CN114776837B (en) | 2022-04-19 | 2022-04-19 | Safety gas valve with double fire outlet channels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210409336.8A CN114776837B (en) | 2022-04-19 | 2022-04-19 | Safety gas valve with double fire outlet channels |
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| Publication Number | Publication Date |
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| CN114776837A CN114776837A (en) | 2022-07-22 |
| CN114776837B true CN114776837B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210409336.8A Active CN114776837B (en) | 2022-04-19 | 2022-04-19 | Safety gas valve with double fire outlet channels |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108679266A (en) * | 2018-07-30 | 2018-10-19 | 宁波来特燃气具有限公司 | Two fire rows and the gas valve with ever-burning flame function can be controlled |
| CN109695741A (en) * | 2019-01-18 | 2019-04-30 | 宁波来特燃气具有限公司 | Electric and gas dual purpose thermostat valve with ever-burning flame function |
| CN211951569U (en) * | 2019-08-30 | 2020-11-17 | 宁波来特燃气具有限公司 | Ever-burning fire gas valve |
| CN217583387U (en) * | 2022-04-19 | 2022-10-14 | 中山市优盛电器有限公司 | Double-fire-outlet-channel gas valve with work indication |
| CN217583283U (en) * | 2022-04-19 | 2022-10-14 | 中山市优盛电器有限公司 | Double-long open fire gas valve |
| CN217583276U (en) * | 2022-04-19 | 2022-10-14 | 中山市优盛电器有限公司 | Gas valve with safe valve opening function |
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2022
- 2022-04-19 CN CN202210409336.8A patent/CN114776837B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679266A (en) * | 2018-07-30 | 2018-10-19 | 宁波来特燃气具有限公司 | Two fire rows and the gas valve with ever-burning flame function can be controlled |
| CN109695741A (en) * | 2019-01-18 | 2019-04-30 | 宁波来特燃气具有限公司 | Electric and gas dual purpose thermostat valve with ever-burning flame function |
| CN211951569U (en) * | 2019-08-30 | 2020-11-17 | 宁波来特燃气具有限公司 | Ever-burning fire gas valve |
| CN217583387U (en) * | 2022-04-19 | 2022-10-14 | 中山市优盛电器有限公司 | Double-fire-outlet-channel gas valve with work indication |
| CN217583283U (en) * | 2022-04-19 | 2022-10-14 | 中山市优盛电器有限公司 | Double-long open fire gas valve |
| CN217583276U (en) * | 2022-04-19 | 2022-10-14 | 中山市优盛电器有限公司 | Gas valve with safe valve opening function |
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| CN114776837A (en) | 2022-07-22 |
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