CN217583283U

CN217583283U - Double-long open fire gas valve

Info

Publication number: CN217583283U
Application number: CN202220912019.3U
Authority: CN
Inventors: 董益发; 晏学涛; 李细平
Original assignee: Zhongshan Yousheng Electric Appliance Co ltd
Current assignee: Zhongshan Yousheng Electric Appliance Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-10-14
Anticipated expiration: 2032-04-19

Abstract

The utility model belongs to the technical field of gas valves, in particular to a double-pilot flame gas valve, which comprises a valve body, a valve core, an ignition switch and a valve shaft, wherein the valve shaft can drive the valve core to rotate when rotating, the valve core is communicated with a valve core ventilation cavity and a first pilot flame gas outlet channel through a first through hole in the rotating process along one direction, so that the first pilot flame gas outlet channel is ventilated firstly, the ignition switch is opened to ignite the pilot flame when the valve shaft is pressed downwards, and the valve core is communicated with the valve core ventilation cavity and a first main gas outlet channel through a second through hole in the continuous rotating process, so that the first main gas outlet channel is provided with gas; when the valve shaft drives the valve core to rotate reversely, the second ever-burning flame air outlet channel gives out air to ignite ever-burning flame, and the valve core is continuously rotated to enable the second main air outlet channel to give out air, so that two fire-giving firepower can be controlled by one gas valve, the use is more convenient, and meanwhile, the two main air outlet channels are communicated with the corresponding ever-burning flame channels and ignite ever-burning flame before giving out air, and the use safety is ensured.

Description

Double-long open fire gas valve

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the gas valve, especially, relate to a two ever-burning fires gas valve.

[ background of the invention ]

The gas valves produced, sold and used in the market are all single valve bodies, and can only control one fire. In the prior art, only one gas valve is used for controlling one fire, so that two gas valves are used in one set of gas stove, so that the gas stove is not convenient to adjust the fire and high in manufacturing cost.

[ Utility model ] content

The utility model provides a can control two long-term naked light gas valves of fire firepower and high security.

The utility model discloses realized by following technical scheme:

double ever-burning fire gas valve includes: the valve body is internally provided with a valve core chamber, a valve chamber communicated with the valve core chamber, an air inlet channel communicated with the valve chamber, a first ever-burning 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 ever-burning 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 rotatably 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 with the valve core chamber is formed in the lower part of the valve core, a first through hole for communicating the valve core ventilation cavity with the first ever-burning fire air outlet channel, a second through hole for communicating the valve core ventilation cavity with the first main air outlet channel, a third through hole for communicating the valve core ventilation cavity with the second ever-burning fire air outlet channel and a fourth through hole for communicating the valve core ventilation cavity with the second main air outlet channel are formed in 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;

when the valve shaft drives the valve core to rotate along one direction from an original state, the valve core ventilation cavity and the first ever-burning fire air outlet channel are communicated through the first through hole, and the valve core ventilation cavity, the first ever-burning fire air outlet channel and the first main air outlet channel are communicated through the first through hole and the second through hole; in the process that the valve core is driven by the valve shaft from the original state to rotate along the other direction, the valve core ventilation cavity and the second ever-burning flame air outlet channel are communicated through the third through hole, and then the valve core ventilation cavity, the second ever-burning flame air outlet channel and the second main air outlet channel are communicated through the third through hole and the fourth through hole.

The double-long-open-flame gas valve further 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.

The double-long open fire gas valve comprises a top valve shaft, a valve opening pressure plate and a first elastic element, wherein the top valve shaft is arranged in the valve body in a penetrating mode, the first elastic element is sleeved on the top valve shaft and enables the top valve shaft to keep an upward moving trend, one end of the top valve shaft can extend into the valve chamber downwards to push the top valve shaft to open the electromagnetic valve, one end of the valve opening pressure plate is sleeved on the periphery of the valve shaft, the other end of the valve opening pressure plate is located above the top valve shaft, and when the valve shaft moves downwards, the valve opening pressure plate is pushed to press downwards, so that the valve opening pressure plate pushes the top valve shaft to move downwards to push the electromagnetic valve.

As for the double-long open fire gas valve, the valve shaft and the valve core are in the original state, the valve core vent cavity is blocked by the first long open fire gas outlet channel, the valve core vent cavity is blocked by the first main gas outlet channel, the valve core vent cavity is blocked by the second long open fire gas outlet channel, and the valve core vent cavity is blocked by the second main gas outlet channel;

in the process that the valve shaft rotates to a first angle from an original state in one direction, the valve core can be driven to rotate to the first through hole to gradually communicate the valve core vent cavity and the first ever-burning flame gas outlet channel, and meanwhile, the valve core vent cavity and the first main gas outlet channel are in a blocking state;

the valve shaft drives the valve core to rotate to the valve core vent cavity and is communicated with the first ever-burning fire air outlet channel and the first main air outlet channel when the valve shaft continues rotating in the same direction from the first angle state;

in the process that the valve shaft rotates to a second angle from the original state to the other direction, the valve core can be driven to rotate to the third through hole to gradually communicate the valve core vent cavity and the second ever-burning flame gas outlet channel, and meanwhile, the valve core vent cavity and the second main gas outlet channel are in a blocking state;

the valve shaft drives the valve core to rotate to the valve core vent cavity and is communicated with the second ever-burning fire air outlet channel and the second main air outlet channel when the valve shaft continues to rotate in the same direction from the second angle state;

the direction of the valve shaft rotating towards the first angle is opposite to the direction of the valve shaft rotating towards the third angle, and the first angle is equal to the second angle in size.

According to the double-long open fire gas valve, the first through hole and the third through hole are both long waist-shaped holes, and the length direction of the long waist-shaped holes is arranged along the circumferential direction of the central shaft of the valve core.

As for the double-long open fire gas valve, 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 double-long-open-flame gas valve further comprises an ignition switch, the ignition switch comprises an ignition contact key and an ignition elastic sheet, the valve shaft is coaxially and fixedly sleeved with a control cam, one end of the ignition elastic sheet is located above the ignition contact key, the other end of the ignition elastic sheet is located below the control cam, the valve shaft drives the control cam to move downwards when moving downwards, and the control cam presses the ignition elastic sheet downwards to press the ignition contact key.

The double-long-open-flame gas valve further comprises a thermocouple electrically connected with the electromagnetic valve.

As described above, in the double-long-open-flame gas valve, the middle part of the first main gas outlet channel is provided with the gas outlet valve port, the lower part of the gas outlet valve port is provided with the lifting switching valve member, the lifting switching valve member is connected with the valve shaft, and the valve shaft drives the lifting switching valve member to move downwards to be far away from the gas outlet valve port in the counterclockwise rotation process so as to increase the opening degree of the gas outlet valve port; the valve shaft drives the lifting opening and closing valve piece to move upwards to be close to the air outlet valve port in the clockwise rotation process so as to reduce the opening degree of the air outlet valve port.

According to the double-long-open-flame gas valve, the lifting opening and closing valve piece comprises the adjusting column and the valve plate arranged on the peripheral side of the adjusting column, the bottom of the adjusting column is provided with the threaded hole with the downward opening, and the threaded column which is inserted into and connected with the threaded hole in a threaded manner is arranged below the adjusting column; the valve body bottom is worn to establish and is fixed with power unit, the screw thread post is located on this power unit, power unit can reciprocate through expend with heat and contract with cold, second elastic element is located to the valve block below.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model provides a double-long open fire gas valve, which comprises a valve body, a valve core, an ignition switch and a valve shaft, wherein the valve core is rotatably arranged in the valve body, the valve shaft is used for driving the valve core to rotate, the valve core can be driven to rotate when rotating along one direction, the valve core is communicated with a valve core ventilation cavity and a first long open fire gas outlet channel through a first through hole in the rotating process along one direction, so that the first long open fire gas outlet channel is ventilated firstly, the ignition switch is opened to ignite the long open fire when the valve shaft is pressed downwards, and the valve core is communicated with the valve core ventilation cavity and a first main gas outlet channel through a second through hole in the continuing rotating process, so that the first main gas outlet channel is used for discharging gas; similarly, when the valve shaft drives the valve core to rotate reversely, the second ever-burning flame outlet channel is firstly used for discharging air and igniting ever-burning flame, the valve core is continuously rotated to enable the second main outlet channel to discharge air, a user can select the first main outlet channel or the second main outlet channel to discharge air, two fire-discharging firepower controlled by one gas valve can be realized, the use is more convenient, and simultaneously, the two main outlet channels are communicated with the corresponding ever-burning flame outlet channel and ignite ever-burning flame before discharging air, so that the use safety is ensured.

2. The utility model also comprises an electromagnetic valve and a valve opening component, wherein the electromagnetic valve is arranged in the valve chamber and is 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; open the solenoid valve through the valve opening subassembly when the valve shaft pushes down, make the gas let in the valve chamber through the case room from inlet channel, only promote when the valve shaft pushes down and open valve clamp plate and top valve shaft and push down and just can trigger the solenoid valve for case room and valve chamber intercommunication if the valve shaft pushes down not in place, can not trigger the solenoid valve, the case rotates and also does not have the gas and flows, makes its operation have more the security.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings 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 perspective view of the present invention;

FIG. 3 is a schematic view of the present invention in a partial cross-sectional structure;

FIG. 4 isbase:Sub>A cross-sectional view along the line A-A in FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic cross-sectional view taken along line C-C of FIG. 3;

FIG. 7 is a schematic cross-sectional view taken along line D-D of FIG. 3;

fig. 8 is a schematic structural view of the valve core of the present invention;

fig. 9 is a schematic sectional view along direction E-E in fig. 3.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In a specific embodiment, the dual-long-open-flame gas valve shown in fig. 1 to 9 comprises a valve body 1, a valve core 2 and a valve shaft 3. 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 ever-burning 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 ever-burning 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 vent cavity 21 is arranged in the valve core chamber, an opening for communicating the valve core vent cavity 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 vent cavity 21 with the first ever-burning flame gas outlet channel 14, a second through hole 23 for communicating the valve core vent cavity 21 with the first main gas outlet channel 15, a third through hole 24 for communicating the valve core vent cavity 21 with the second ever-burning flame gas outlet channel 16 and a fourth through hole 25 for communicating the valve core vent cavity 21 with the second main gas 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; when the valve spindle 3 drives the valve core 2 to rotate along one direction from an original state, the valve core vent cavity 21 and the first long open fire air outlet channel 14 are communicated through the first through hole 22, and the valve core vent cavity 21, the first long open fire air outlet channel 14 and the first main air outlet channel 15 are communicated through the first through hole 22 and the second through hole 23; in the process that the valve core 2 is driven by the valve shaft 3 from the original state to rotate along the other direction, the valve core vent cavity 21 and the second long open fire air outlet channel 16 are communicated through the third through hole 24, and then the valve core vent cavity 21, the second long open fire air outlet channel 16 and the second main air outlet channel 17 are communicated through the third through hole 24 and the fourth through hole 25. The valve core is communicated with the valve core ventilation cavity and the first ever-burning flame air outlet channel through the first through hole in the process of rotating the valve core along one direction, so that the first ever-burning flame air outlet channel is firstly ventilated, meanwhile, the ignition switch is turned on to ignite the ever-burning flame when the valve shaft is pressed downwards, 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 continuously rotating the valve core, so that air is exhausted from the first main air outlet channel; similarly, when the valve shaft drives the valve core to rotate reversely, the second ever-burning flame outlet channel is firstly used for discharging air and igniting ever-burning flame, the valve core is continuously rotated to enable the second main outlet channel to discharge air, a user can select the first main outlet channel or the second main outlet channel to discharge air, two fire-discharging firepower controlled by one gas valve can be realized, the use is more convenient, and simultaneously, the two main outlet channels are communicated with the corresponding ever-burning flame outlet channel and ignite ever-burning flame before discharging air, so that the use safety is ensured.

Specifically, the valve further comprises an electromagnetic valve 6 and a valve opening assembly 7, wherein the electromagnetic 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 for opening the solenoid valve 6 to communicate the spool chamber 11 and the valve chamber 12. More specifically, the valve opening assembly 7 includes 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 keep the top valve shaft 71 moving upward, one end of the top valve shaft 71 can move downward into the valve chamber 12 to push and open the solenoid valve 6, one end of the valve opening pressing plate 72 is sleeved on the periphery of the valve shaft 3, and the other end is located above the top valve shaft 71, when the valve shaft 3 moves downward, the valve opening pressing plate 72 is pushed downward, so that the valve opening pressing plate 72 pushes the top valve shaft 71 downward to push and open the solenoid valve 6. Open the solenoid valve through the valve opening subassembly when the valve shaft pushes down, make the gas let in the valve chamber through the case room from inlet channel, only promote when the valve shaft pushes down and open valve clamp plate and top valve shaft and push down and just can trigger the solenoid valve for case room and valve chamber intercommunication if the valve shaft pushes down not in place, can not trigger the solenoid valve, the case rotates and also does not have the gas and flows, makes its operation have more the security.

In addition, when the valve shaft 3 and the valve core 2 are in the original state, the valve core vent cavity 21 and the first long open fire air outlet channel 14 are blocked, the valve core vent cavity 21 and the first main air outlet channel 15 are blocked, the valve core vent cavity 21 and the second long open fire air outlet channel 16 are blocked, and the valve core vent 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 in a direction, the valve core 2 can be driven to rotate to the first through hole 22 to gradually communicate the valve core vent cavity 21 and the first ever-burning open flame gas outlet channel 14, and meanwhile, the valve core vent cavity 21 and the first main gas 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 vent cavity 21 and is simultaneously communicated with the first ever-burning open flame vent channel 14 and the first main vent channel 15;

in the process that the valve shaft 3 rotates to a second angle from the original state to the other direction, the valve core 2 can be driven to rotate to the third through hole 24 to gradually communicate the valve core vent cavity 21 and the second ever-burning open flame gas outlet channel 16, and meanwhile, the valve core vent cavity 21 and the second main gas 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 communicated with the second ever-burning open flame air outlet channel 16 and the second main air outlet channel 17;

the direction of the valve shaft 3 rotating towards the first angle is opposite to the direction of the valve shaft 3 rotating towards the third angle, and the first angle is equal to the second angle in size.

Further, the first through hole 22 and the third through hole 24 are both long waist-shaped holes, and the length direction of the long waist-shaped holes is arranged along the circumferential direction of the central shaft of the valve core 2. In the process that the first through hole 22 rotates along with the valve core 2, the valve core vent cavity 21 and the first long open fire air outlet channel 14 are firstly communicated, the second through hole 23 is communicated with the valve core vent cavity 21 and the first main air outlet channel 15 after the first through hole 22 rotates continuously, at the moment, the first through hole is kept communicated with the valve core vent cavity 21 and the first long open fire air outlet channel 14, and even if the valve core vent cavity 21 is communicated with the first long open fire air outlet channel 14 and the first main air outlet channel 15 simultaneously; similarly, the third through hole 24 of the long waist shape is firstly communicated with the valve core vent cavity 21 and the second long open fire air outlet channel 16, and then the valve core vent cavity 21 is simultaneously communicated with the second long open fire air outlet channel 16 and the second main air outlet channel 17.

More specifically, 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. So that the valve shaft 3 drives the valve core 2 to rotate stably.

Further, the ignition device further comprises an ignition switch 4, the ignition switch 4 comprises an ignition contact key 41 and an ignition elastic sheet 42, the control cam 8 is coaxially and fixedly sleeved on the valve shaft 3, one end of the ignition elastic sheet 42 is located above the ignition contact key 41, the other end of the ignition elastic sheet 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 ignition elastic sheet 42 is pressed downwards by the control cam 8 to press the ignition contact key 41. When the valve shaft 3 rotates along the first inclined plane 531 to further press downwards and drive the second limit 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 vent cavity 21 with the first ever-burning flame outlet channel 14, meanwhile, the control cam 8 presses the ignition elastic sheet 42 downwards to contact the ignition contact key 41 for ignition, the ever-burning flame of the first ever-burning flame outlet channel 14 is ignited, after the valve shaft 3 is released, the valve shaft 3 is reset to move upwards until the second limit protrusion 32 is separated from the first ignition groove 54, at the moment, the first limit protrusion and the limit groove are staggered, the valve shaft can be continuously rotated to adjust the fire behavior, and 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 limit 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 vent cavity 21 with the second long open fire air outlet channel 16, meanwhile, the control cam 8 presses down the ignition elastic sheet 42 to contact the ignition contact key 41 for ignition, the long open fire of the second long open fire air outlet channel 16 is ignited, after the valve shaft 3 is loosened, the valve shaft 3 resets and moves up to the second limit protrusion 32 to be separated from the second ignition groove 55, at this moment, the first limit protrusion is staggered with the limit groove, and the valve shaft can be continuously rotated to adjust the fire.

Still further, a thermocouple 18 is included, which is electrically connected to the solenoid valve 6. After the electromagnetic valve is opened, the thermocouple 18 generates current for maintaining the opening of the electromagnetic valve, and the electromagnetic valve 6 is ensured not to be closed after the valve shaft 3 is loosened, reset and moved upwards.

Specifically, an outlet valve port 151 is arranged in the middle of the first main outlet channel 15, a lifting on-off valve 10 is arranged below the outlet valve port 151, the lifting on-off valve 10 is connected with a valve shaft 3, and the valve shaft 3 drives the lifting on-off valve 10 to move downwards to be far away from the outlet valve port 151 in the counterclockwise rotation process so as to increase the opening degree of the outlet valve port 151; the valve shaft 3 drives the lifting valve member 10 to move upward close to the outlet port 151 in the clockwise rotation process, so as to reduce the opening degree of the outlet port 151. More specifically, the lifting opening and closing valve member 10 includes an adjusting column 101 and a valve plate 102 disposed on the periphery of the adjusting column 101, a threaded hole 103 with a downward opening is formed in the bottom of the adjusting column 101, and a threaded column 104 inserted into and screwed into the threaded hole 103 is disposed below the adjusting column 101; the bottom of the valve body 1 is fixedly provided with a power part 105 in a penetrating manner, the threaded column 104 is arranged on the power part 105, the power part 105 can move up and down through expansion with heat and contraction with cold, and the second elastic element 106 is arranged below the valve plate 102. The power part passes through the heat-conducting part and is connected with the temperature sensing stick, there is temperature sensing oil inside the power part, drive reciprocating of power part through expend with heat and contract with cold, when reaching the uniform temperature, the temperature sensing stick conducts the heat for temperature sensing oil through the heat-conducting part, the power part reciprocates under the promotion of temperature sensing oil, finally realize the regulation to the valve block upper and lower position, the air output of the first main gas outlet channel of control, make the gas valve have automatic control by temperature change regulatory function, the range of moving up because of the power part under the expend with heat effect is not very big, still can not let the valve block effectively plug up the valve port, and under auxiliary spring's effect, guarantee that the valve block effectively plugs up the valve port.

Further, the valve comprises a valve cover 5 arranged on the valve body 1, a limiting 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 limiting protrusion 31 which is convexly arranged along the radial direction, and the first limiting protrusion 31 keeps the trend of being clamped into the limiting groove 51 when the valve shaft 3 is in an original state; the valve shaft 3 is provided with a second limiting protrusion 32 which is convexly arranged along the radial direction, the ignition switch 4 is turned on when the valve shaft 3 is pressed downwards, the middle part of the lower limiting boss 53 limits the downward movement of the second limiting protrusion 32 after the valve shaft 3 is pressed downwards in the original state until the first limiting protrusion 31 is separated from the limiting groove 51, and the valve shaft 3 rotates along the first inclined plane 531 to further press downwards and drive the second limiting protrusion 32 to gradually enter the first ignition groove 54 to complete the ignition. When the valve shaft is in an original state, the limit bulge keeps the trend of being clamped into the limit groove to limit the rotation of the valve shaft, so that a user is prevented from rotating the valve shaft by mistake under the continuous external force; the valve shaft is pressed down to the first limiting bulge to be separated from the limiting groove in the original state, the middle part of the lower limiting bulge limits the second limiting bulge to move downwards, the valve shaft can be further pressed downwards along the first inclined plane and drives the second limiting bulge to gradually enter the first ignition groove, so that the rotating angle of the valve core is just connected with the first long open flame channel and the ignition switch is opened to ignite the long open flame, the limiting boss is rotated to limit the valve shaft to continue to rotate to be connected with the first main gas outlet channel, only after the long open flame is ignited firstly, the valve shaft is loosened to reset to move upwards, at the moment, the first limiting bulge is staggered with the limiting groove, the valve shaft can continue to rotate 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 of the lower limiting boss 53 away from the first ignition groove 54, a second inclined surface 532 is arranged on one side of the lower limiting boss 53 close to the second ignition groove 55, the second inclined surface 532 is inclined and downward arranged towards the second ignition groove 55 along the middle of the lower limiting boss 53, after the valve shaft 3 is pressed to the point that the first limiting protrusion 31 is separated from the limiting groove 51 in the original state, the middle of the lower limiting boss 53 limits the second limiting protrusion 32 to move downward, and the valve shaft 3 can further press along the rotation of the second inclined surface 532 to drive the second limiting protrusion 32 to gradually enter the second ignition groove 55 to complete ignition. The valve shaft can further be pressed downwards along the rotation of the second inclined plane and drives the second limiting protrusion to gradually enter the second ignition groove, so that the rotating angle of the valve core is just connected with the second long open flame channel and the ignition switch is opened to ignite the long open flame, the valve shaft is limited by rotating the limiting boss to be continuously connected with the second main air outlet channel in a rotating way, only after the long open flame is firstly ignited, the valve shaft is loosened to reset and move upwards, at the moment, the first limiting protrusion is staggered with the limiting groove, the valve shaft can be continuously rotated to adjust the fire, and the operation safety of the gas valve is greatly improved.

Further, the valve further comprises a control cam 8 coaxially and fixedly sleeved on the valve shaft 3, an indication microswitch 9 and an indication device (not shown in the figure) electrically connected with the indication microswitch 9, wherein the control cam 8 is provided with a cam groove 81 along the radial direction in a concave manner, the indication microswitch 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 microswitch 9; the valve shaft 3 drives the control cam 8 to rotate synchronously when rotating, and when the valve shaft 3 rotates until 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 induction contact key 91 to trigger the indication microswitch 9. Instruct micro-gap switch and indicating device electricity to be connected, indicating device judges whether first main air outlet channel switches on through acquireing the signal that instructs micro-gap switch disconnection or trigger to play the indicative function, make the operator know the switch-on or the condition of blocking of first main air outlet channel, make the operation safer. Specifically, the cam groove 81 includes a first side wall surface 811 and a second side wall surface 812 that are oppositely disposed, and the valve shaft 3 and the valve core 2 are in the original state when the sensing contact key 91 is located between 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 811 just contacts the sensing contact key 91; when the valve shaft 3 rotates to the second angle, the second sidewall 812 just contacts the sensing contact key 91.

The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. Two ever-burning fires gas valve, its characterized in that includes:

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 ever-burning 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 ever-burning 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) and is internally provided with a valve core vent cavity (21), the lower part of the valve core (2) is provided with an opening for communicating the valve core vent cavity (21) with the valve core chamber (11), the side wall of the valve core (2) is provided with a first through hole (22) for communicating the valve core vent cavity (21) with the first ever-burning flame gas outlet channel (14), a second through hole (23) for communicating the valve core vent cavity (21) with the first main gas outlet channel (15), a third through hole (24) for communicating the valve core vent cavity (21) with the second ever-burning flame gas outlet channel (16) and a fourth through hole (25) for communicating the valve core vent cavity (21) with the second main gas outlet 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;

in the process that the valve shaft (3) drives the valve core (2) to rotate along one direction from an original state, the valve core vent cavity (21) and the first long open fire air outlet channel (14) are communicated through the first through hole (22), and the valve core vent cavity (21), the first long open fire air outlet channel (14) and the first main air outlet channel (15) are communicated through the first through hole (22) and the second through hole (23); in the process that the valve shaft (3) drives the valve core (2) to rotate in the other direction from the original state, the valve core ventilation cavity (21) and the second long open fire air outlet channel (16) are communicated through the third through hole (24), and the valve core ventilation cavity (21), the second long open fire air outlet channel (16) and the second main air outlet channel (17) are communicated through the third through hole (24) and the fourth through hole (25).

2. The dual-flame gas valve according to claim 1, further comprising a solenoid valve (6) and a valve opening assembly (7), wherein the solenoid valve (6) is disposed 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 dual-long-open-flame gas valve 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 pressure plate (72), and a first elastic element (73) sleeved on the top valve shaft (71) to keep the top valve shaft (71) moving upwards, one end of the top valve shaft (71) can move downwards and extend into the valve chamber (12) to push against and open the electromagnetic valve (6), one end of the valve opening pressure plate (72) is sleeved on the periphery of the valve shaft (3), the other end of the valve opening pressure plate is located above the top valve shaft (71), and when the valve shaft (3) moves downwards, the valve opening pressure plate (72) is pushed downwards, so that the valve opening pressure plate (72) is pushed downwards to push the top valve shaft (71) to move downwards and push against the electromagnetic valve (6).

4. The double long open fire gas valve according to claim 1, wherein the valve shaft (3) and the valve core (2) are in original state, the valve core vent cavity (21) and the first long open fire gas outlet channel (14) are blocked, the valve core vent cavity (21) and the first main gas outlet channel (15) are blocked, the valve core vent cavity (21) and the second long open fire gas outlet channel (16) are blocked, and the valve core vent cavity (21) and the second main gas outlet channel (17) are blocked;

in the process that the valve shaft (3) rotates to a first angle from an original state to one direction, the valve core (2) can be driven to rotate to the first through hole (22) to gradually communicate the valve core ventilation cavity (21) and the first ever-burning 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 vent cavity (21) and is simultaneously communicated with the first ever-burning flame outlet channel (14) and the first main outlet channel (15);

in the process that the valve shaft (3) rotates to a second angle from the original state to the other direction, the valve core (2) can be driven to rotate to a third through hole (24) to gradually communicate the valve core vent cavity (21) and the second ever-burning open fire vent channel (16), and meanwhile, the valve core vent cavity (21) and the second main vent 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 vent cavity (21) and is simultaneously communicated with the second ever-burning flame outlet channel (16) and the second main outlet channel (17);

the direction of the valve shaft (3) rotating towards the first angle is opposite to the direction of the valve shaft (3) rotating towards the third angle, and the first angle is equal to the second angle in size.

5. The dual-long open-flame gas valve according to claim 1, wherein the first through hole (22) and the third through hole (24) are both long-waist-shaped holes, and the length direction of the long-waist-shaped holes is arranged along the circumferential direction of the central shaft of the valve core (2).

6. The dual-long-fire gas valve as claimed in claim 1, wherein a first gear (33) is coaxially fixed and fixed on the valve shaft (3), a second gear (26) is coaxially fixed and fixed on the valve core (2), and the first gear (33) is in transmission connection with the second gear (26).

7. The dual-long-open-flame gas valve according to claim 1, further comprising an ignition switch (4), wherein the ignition switch (4) comprises an ignition contact key (41) and an ignition elastic sheet (42), the valve shaft (3) is coaxially and fixedly sleeved with a control cam (8), one end of the ignition elastic sheet (42) is located above the ignition contact key (41), the other end of the ignition elastic sheet 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 ignition elastic sheet (42) is pressed downwards by the control cam (8) to press the ignition contact key (41).

8. Double long flame gas valve according to claim 2, characterized by further comprising a thermocouple (18) electrically connected to the solenoid valve (6).

9. The double-long-flame gas valve according to claim 1, wherein an outlet valve port (151) is arranged in the middle of the first main outlet channel (15), a lifting on-off valve member (10) is arranged below the 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 to be far away from the outlet valve port (151) in the counterclockwise rotation process so as to increase the opening degree of the outlet valve port (151); the valve shaft (3) drives the lifting opening and closing valve piece (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).

10. The dual-long-open-flame gas valve according to claim 9, wherein the lifting switching valve member (10) comprises an adjusting column (101) and a valve plate (102) arranged on the peripheral side of the adjusting column (101), a threaded hole (103) with a downward opening is formed in the bottom of the adjusting column (101), and a threaded column (104) inserted into and screwed into the threaded hole (103) is arranged below the adjusting column (101); the valve body (1) bottom is worn to establish and is fixed with power part (105), on this power part (105) was located in screw thread post (104), power part (105) can reciprocate through expend with heat and contract with cold, second elastic element (106) are located to valve block (102) below.