CN217583387U - Double-fire-outlet-channel gas valve with work indication - Google Patents
Double-fire-outlet-channel gas valve with work indication Download PDFInfo
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- CN217583387U CN217583387U CN202220909065.8U CN202220909065U CN217583387U CN 217583387 U CN217583387 U CN 217583387U CN 202220909065 U CN202220909065 U CN 202220909065U CN 217583387 U CN217583387 U CN 217583387U
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- 238000000034 method Methods 0.000 claims abstract description 32
- 230000006698 induction Effects 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of gas valves, especially, relate to two fire channel gas valves of taking work indication, including valve body, case, the valve shaft that drives the valve core rotation, coaxial control cam and the instruction micro-gap switch of locating on the valve shaft, be equipped with first main gas outlet channel in the valve body, the case blocks or communicates first main gas outlet channel in the rotation process, and the control cam is equipped with the cam recess along radial concave, is equipped with the response contact key on the instruction micro-gap switch, and the response contact key breaks away from the control cam when corresponding with the cam recess to the disconnection instruction micro-gap switch; when the valve shaft rotates to the state that the valve core is communicated with the first main air outlet channel, the control cam touches the induction contact key to trigger the indication microswitch, the indication microswitch is electrically connected with the indication device, and the indication device judges whether the first main air outlet channel is connected or not by acquiring a signal indicating the disconnection or the triggering of the microswitch so as to play an indication role, so that an operator can clearly know the connection or the blocking condition of the first main air outlet channel, and the operation is safer.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the gas valve, especially, relate to two fire channel gas valves of area work instruction.
[ background of the invention ]
The existing gas valve rotates to any angle position at a valve shaft, then a trigger ignition switch is pressed downwards, in order to ensure the operation safety, a long open fire air outlet channel is generally needed to be connected firstly, and a main air outlet channel is connected after the long open fire is ignited.
[ Utility model ] content
The utility model provides a take two fire passageway gas valves of work instruction, aim at solves the problem that the background art points out.
The utility model discloses realized by following technical scheme:
the double-fire-outlet-channel gas valve with the work indication comprises a valve body, a valve core, a valve shaft, a control cam, an indication microswitch and an indication device, wherein the valve core is rotatably 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 control cam is coaxially and fixedly sleeved on the valve shaft, the indication microswitch is electrically connected with the indication microswitch, a first main gas outlet channel is arranged inside the valve body, the first main gas outlet channel is blocked or communicated in the rotation process of the valve core, a cam groove is radially and concavely arranged on the control cam, an induction contact key is arranged on the indication microswitch, and the induction contact key is separated from the control cam when corresponding to the cam groove so as to disconnect the indication microswitch; when the valve shaft rotates, the control cam is driven to synchronously rotate, and when the valve shaft rotates until the valve core is communicated with the first main air outlet channel, the control cam touches the induction contact key to trigger the indication microswitch.
As mentioned above, the valve body is also internally provided with the valve core chamber communicated with the first main gas outlet channel, the valve chamber communicated with the valve core chamber, the gas inlet channel communicated with the valve core chamber, the first ever-burning fire gas outlet channel communicated with the valve core chamber, the second ever-burning fire gas outlet channel communicated with the valve core chamber, and the second main gas outlet channel communicated with the valve core chamber;
the valve core is rotatably arranged in the valve core chamber, a valve core vent cavity is arranged in the valve core chamber, an opening for communicating the valve core vent cavity with the valve core chamber is arranged at the lower part of the valve core, a first through hole for communicating the valve core vent cavity with the first ever-burning flame gas outlet channel, a second through hole for communicating the valve core vent cavity with the first main gas outlet channel, a third through hole for communicating the valve core vent cavity with the second ever-burning flame gas outlet channel and a fourth through hole for communicating the valve core vent cavity with the second main gas outlet channel are arranged on the side wall of the valve core;
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 flame air outlet channel are communicated through the first through hole, the valve shaft further rotates until the control cam touches the induction contact key, and at the moment, the first through hole and the second through hole communicate the valve core ventilation cavity, the first ever-burning flame air outlet channel and the first main air outlet channel; in the process that the valve shaft drives the valve core to rotate along the other direction from the original state, the valve core ventilation cavity and the second ever-burning flame air outlet channel are communicated through the third through hole firstly, the valve core ventilation cavity and the second ever-burning flame air outlet channel are further rotated until the control cam touches the induction contact key, and at the moment, the third through hole and the fourth through hole communicate the valve core ventilation cavity, the second ever-burning flame air outlet channel and the second main air outlet channel.
As for the double fire outlet channel gas valve with the work indication, 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 outlet channel, the valve core vent cavity is blocked by the first main air outlet channel, the valve core vent cavity is blocked by the second long open fire outlet channel, and the valve core vent cavity is blocked by the second main air outlet channel;
in the process that the valve shaft rotates to a first angle from an original state, the valve core can be driven to rotate to a 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;
in the process that the valve shaft continues to rotate in the same direction from the first angle state to the second angle state, the valve core is driven to rotate to the valve core ventilation cavity and is simultaneously communicated with the first ever-burning open fire air outlet channel and the first main air outlet channel, and at the moment, the control cam touches the induction contact key;
in the process that the valve shaft rotates to a third angle from an original state, the valve core can be driven to rotate to a third through hole to gradually communicate the valve core ventilation cavity and the second ever-burning 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 third angle state to the fourth angle state, the valve core is driven to rotate to the valve core ventilation cavity and is simultaneously communicated with the second ever-burning open fire air outlet channel and the second main air outlet channel, and the control cam touches the induction contact key at the moment;
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-fire-outlet-channel gas valve with the work indication, the cam groove comprises the first side wall surface and the second side wall surface which are oppositely arranged, and when the induction contact key is located between the first side wall surface and the second side wall surface, the valve shaft and the valve core are in the original state.
The double-fire-outlet-channel gas valve with the work indication 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-fire-outlet-channel gas valve with the work indication 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 a trend of moving upwards, one end of the top valve shaft can extend downwards into the valve chamber to push and 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 the valve shaft pushes the valve opening pressure plate to press downwards when moving downwards, so that the valve opening pressure plate pushes the top valve shaft to move downwards to push the electromagnetic valve.
The double-fire-channel gas valve with the work indication further comprises a thermocouple electrically connected with the electromagnetic valve.
As the double-fire-outlet-channel gas valve with the work indication, 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.
The double-fire-outlet-channel gas valve with the work indication further comprises an ignition switch, the ignition switch comprises an ignition contact key and an ignition elastic sheet, 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 convex plate, the control convex plate is driven to move downwards when the valve shaft moves downwards, and the ignition elastic sheet is pressed downwards by the control convex plate to press the ignition contact key.
According to the double-fire-outlet-channel gas valve with the work indication, the gas outlet valve port is arranged in the middle of the first main gas outlet channel, the lifting opening and closing valve is arranged below the gas outlet valve port and connected with the valve shaft, and the valve shaft drives the lifting opening and closing valve to move downwards to be far away from the gas outlet valve port in the anticlockwise 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 member 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.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model provides a two fire channel gas valves of area work instruction, including the valve body, rotate the case of locating in the valve body, wear to locate on the valve body and be used for driving the valve core pivoted valve shaft, coaxial fixed cover connect the control cam on the valve shaft and instruct micro-gap switch, the valve body is inside to be equipped with first main gas outlet channel, the case rotates the in-process and blocks or communicates first main gas outlet channel, the control cam is along radially concave cam recess that is equipped with, instruct the micro-gap switch to be equipped with the response touch key, the response touch key breaks away from the control cam with cam recess correspondence, instructs micro-gap switch with the disconnection; the valve shaft drives the control cam to synchronously rotate when rotating, when the valve shaft rotates until the valve core is communicated with the first main air outlet channel, the control cam touches the induction contact key to trigger the indication microswitch, the indication microswitch is electrically connected with the indicating device, and the indicating device judges whether the first main air outlet channel is communicated or not by acquiring a signal for indicating the disconnection or the triggering of the microswitch so as to play a role of indicating, so that an operator can know the connection or the disconnection of the first main air outlet channel and the operation is safer;
2. the valve shaft of the utility model can drive the valve core to rotate when rotating, the valve core is communicated with the valve core ventilation cavity and the first ever-burning flame gas outlet channel through the first through hole in the process of rotating along one direction, so that the first ever-burning flame gas outlet channel is ventilated firstly, meanwhile, the ignition switch is turned on to ignite the ever-burning flame when the valve shaft is pressed down, the valve core is communicated with the valve core ventilation cavity and the first main gas outlet channel through the second through hole in the process of continuously rotating the valve core, 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 fire air outlet channel gives vent to anger to ignite the ever-burning fire, the valve core is continuously rotated to enable the second main air outlet channel to give vent to anger, a user can select the first main air outlet channel or the second main air outlet channel to give vent to anger, two fire firepower can be controlled by one gas valve, the use is more convenient, meanwhile, the two main air outlet channels are connected with the corresponding ever-burning fire channels before giving vent to anger and ignite the ever-burning fire, and the use safety is ensured.
[ 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 cross-sectional view along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view along the line C-C in FIG. 3;
FIG. 7 is a cross-sectional view along the line D-D in 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 ] A
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further 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 "first", "second", etc. ordinal terms, it should be understood that they are used for distinguishing purposes only, unless the context clearly dictates otherwise.
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, as shown in fig. 1 to 9, the gas valve with two fire-out channels and a working indication includes a valve body 1, a valve core 2 rotatably disposed in the valve body 1, a valve shaft 3 disposed through the valve body 1 and used for driving the valve core 2 to rotate, a control cam 8 coaxially and fixedly sleeved on the valve shaft 3, an indication microswitch 9, and an indication device (not shown) electrically connected to the indication microswitch 9, wherein a first main air-out channel 15 is disposed inside the valve body 1, the valve core 2 blocks or communicates with the first main air-out channel 15 during rotation, a cam groove 81 is radially recessed in the control cam 8, an induction contact key 91 is disposed on the indication microswitch 9, and the induction contact key 91 is separated from the control cam 8 when corresponding to the cam groove 81 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, 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 valve body 1 is further provided with a valve core chamber 11 communicated with a first main air outlet channel 15, 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 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;
in the process that the valve spindle 3 drives the valve core 2 to rotate along one direction from an original state, the valve core ventilation cavity 21 and the first long open fire air outlet channel 14 are communicated through the first through hole 22, the valve spindle further rotates until the control cam 8 touches the induction contact key 91, and at the moment, the first through hole 22 and the second through hole 23 communicate the valve core ventilation cavity 21, the first long open fire air outlet channel 14 and the first main air outlet channel 15; in the process that the valve spindle 3 drives the valve core 2 to rotate along the other direction from the original state, the valve core ventilation cavity 21 and the second long open fire air outlet channel 16 are firstly communicated through the third through hole 24, the valve core ventilation cavity further rotates until the control cam 8 touches the induction contact key 91, and at the moment, the third through hole 24 and the fourth through hole 25 communicate the valve core ventilation cavity 21, the second long open fire air outlet channel 16 and the second main air outlet channel 17. The valve shaft can drive the valve core to rotate when rotating, 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 along one direction, so that the first ever-burning flame air outlet channel is ventilated firstly, meanwhile, the ignition switch is turned on to ignite the ever-burning flame when the valve shaft is pressed down, 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, 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.
More specifically, when the valve shaft 3 and the valve core 2 are in the original state, the valve core vent cavity 21 and the first ever-burning 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 ever-burning 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 from the original state to the first angle, 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 fire air outlet channel 14, and meanwhile, the valve core vent 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 to 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 first long open fire air outlet channel 14 and the first main air outlet channel 15, and at the moment, the control cam 8 touches the induction contact key 91;
in the process that the valve shaft 3 rotates from the original state to the third angle, 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 third angle state to the fourth angle state, the valve core 2 is driven to rotate to the valve core vent cavity 21 and simultaneously communicated with the second long open fire vent channel 16 and the second main vent channel 17, and at the moment, the control cam 8 touches the induction contact key 91;
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 cam groove 81 includes a first side wall surface 811 and a second side wall surface 812 which 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 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.
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.
Further, a thermocouple 18 electrically connected with the electromagnetic valve 6 is also included. 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.
Still 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 long-waist-shaped third through hole 24 firstly connects 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.
Specifically, the ignition device further comprises an ignition switch 4, wherein the ignition switch 4 comprises an ignition contact key 41 and an ignition elastic sheet 42, 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 valve shaft 3 drives the control cam 8 to move downwards when moving downwards, and the control cam 8 presses the ignition elastic sheet 42 downwards 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 flame 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 flame of the second long open flame air outlet channel 16 is ignited, after the valve shaft 3 is loosened, the valve shaft 3 is reset to move up to the second limit protrusion 32 to be separated from the second ignition groove 55, at this moment, the first limit protrusion and the limit groove are staggered, and the valve shaft can be continuously rotated to adjust the fire behavior.
In addition, an outlet valve port 151 is arranged in the middle of the first main outlet channel 15, a lifting opening and closing valve element 10 is arranged below the outlet valve port 151, the lifting opening and closing valve element 10 is connected with a valve shaft 3, and the valve shaft 3 drives the lifting opening and closing valve element 10 to move downwards to be far away from the outlet valve port 151 in the counterclockwise rotating 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. Specifically, the lifting opening and closing valve element 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 way, 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 is connected with the temperature sensing rod through the heat conducting part, the temperature sensing oil is arranged in the power part, the power part is driven to move up and down through expansion and contraction, when a certain temperature is reached, the temperature sensing rod conducts heat to the temperature sensing oil through the heat conducting part, the power part moves up and down under the pushing of the temperature sensing oil, the adjustment of the upper position and the lower position of the valve block is finally realized, the air output of the first main air outlet channel is controlled, the gas valve has an automatic temperature control adjusting function, the valve block cannot be effectively blocked by the valve block due to the fact that the power part does not move up greatly under the expansion effect, and the valve block is guaranteed to be effectively blocked by the valve block under the effect of the auxiliary spring.
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 be further 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 limiting boss is rotated to limit the valve shaft to continue rotating and connecting with the second main air outlet channel, only after the long open flame is ignited firstly, 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 continue to rotate to adjust the fire, and the operation safety of the gas valve is greatly improved.
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 (10)
1. The double-fire-outlet-channel gas valve with the work indication function is characterized by comprising a valve body (1), a valve core (2) rotatably arranged in the valve body (1), a valve shaft (3) which is arranged on the valve body (1) in a penetrating mode and used for driving the valve core (2) to rotate, a control cam (8) coaxially and fixedly sleeved on the valve shaft (3), an indication microswitch (9) and an indication device electrically connected with the indication microswitch (9), wherein a first main gas outlet channel (15) is arranged inside the valve body (1), the valve core (2) blocks or is communicated with the first main gas outlet channel (15) in the rotating process, a cam groove (81) is radially and concavely arranged on the control cam (8), an induction contact key (91) is arranged on the indication microswitch (9), 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); when the valve shaft (3) rotates, the control cam (8) is driven to rotate synchronously, and when the valve shaft (3) rotates until the valve core (2) is communicated with the first main air outlet channel (15), the control cam (8) touches the induction contact key (91) to trigger the indication microswitch (9).
2. The gas valve with the double fire outlet channels and the work indication according to claim 1, wherein a valve core chamber (11) communicated with a first main air outlet channel (15), 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 outlet channel (14) communicated with the valve core chamber (11), a second ever-burning fire 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) are further arranged inside the valve body (1);
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);
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 ventilation cavity (21) and the first long open fire air outlet channel (14) are communicated through the first through hole (22), the valve shaft further rotates until the control cam (8) touches the induction contact key (91), and at the moment, the first through hole (22) and the second through hole (23) communicate the valve core ventilation cavity (21), the first long open fire air outlet channel (14) and the first main air outlet channel (15); the valve shaft (3) drives the valve core (2) to rotate along 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) firstly, the valve core further rotates until the control cam (8) touches the induction contact key (91), and the third through hole (24) and the fourth through hole (25) communicate the valve core ventilation cavity (21), the second long open fire air outlet channel (16) and the second main air outlet channel (17).
3. The double fire channel gas valve with the work indication as recited in claim 2, characterized in that the valve shaft (3) and the valve core (2) are in original state, the valve core vent cavity (21) and the first ever-burning fire outlet channel (14) are blocked, the valve core vent cavity (21) and the first main outlet channel (15) are blocked, the valve core vent cavity (21) and the second ever-burning fire outlet channel (16) are blocked, and the valve core vent cavity (21) and the second main outlet channel (17) are blocked;
in the process that the valve shaft (3) rotates to a first angle from an original state, the valve core (2) can be driven to rotate to a first through hole (22) to gradually communicate the valve core vent cavity (21) and the first ever-burning 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 to 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 first ever-burning flame gas outlet channel (14) and the first main gas outlet channel (15), and at the moment, the control cam (8) touches the induction contact key (91);
in the process that the valve shaft (3) rotates to a third angle from an original state, the valve core (2) can be driven to rotate to a third through hole (24) to gradually communicate the valve core ventilation cavity (21) and the second ever-burning 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 third angle state to the fourth 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 gas outlet channel (16) and the second main gas outlet channel (17), and at the moment, the control cam (8) touches the induction contact key (91);
the direction of the valve shaft (3) 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.
4. The double fire channel gas valve with indication of operation as claimed in claim 3, wherein the cam groove (81) comprises a first side wall surface (811) and a second side wall surface (812) which are oppositely arranged, and when the sensing contact key (91) is located in the middle of the first side wall surface (811) and the second side wall surface (812), the valve shaft (3) and the valve core (2) are in the original state.
5. The double fire channel gas valve with the work indication as recited in claim 2, 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).
6. The dual fire channel gas valve with the operation indication as recited in claim 5, 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 keep the top valve shaft (71) moving upward, one end of the top valve shaft (71) can move downward to extend 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), 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 to push the top valve shaft (71) downward to push and open the solenoid valve (6).
7. The double fire channel gas valve with operation indication according to claim 5, characterized by further comprising a thermocouple (18) electrically connected with said solenoid valve (6).
8. The double fire channel gas valve with the work indication as recited in claim 2, 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).
9. The double-fire-outlet-channel gas valve with the work indication according to claim 2, further comprising an ignition switch (4), wherein the ignition switch (4) comprises an ignition contact key (41) and an ignition elastic sheet (42), 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), when the valve shaft (3) moves downwards, the control cam (8) is driven to move downwards, and the ignition elastic sheet (42) is pressed downwards by the control cam (8) to press the ignition contact key (41).
10. The double fire channel gas valve with the work indication as recited in claim 1, wherein an outlet valve port (151) is disposed in the middle of the first main outlet channel (15), a lifting on-off valve member (10) is disposed below the outlet valve port (151), the lifting on-off valve member (10) is connected to the valve shaft (3), and the valve shaft (3) drives the lifting on-off valve member (10) to move downward and away from the outlet valve port (151) during 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909065.8U CN217583387U (en) | 2022-04-19 | 2022-04-19 | Double-fire-outlet-channel gas valve with work indication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909065.8U CN217583387U (en) | 2022-04-19 | 2022-04-19 | Double-fire-outlet-channel gas valve with work indication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217583387U true CN217583387U (en) | 2022-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220909065.8U Expired - Fee Related CN217583387U (en) | 2022-04-19 | 2022-04-19 | Double-fire-outlet-channel gas valve with work indication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217583387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776837A (en) * | 2022-04-19 | 2022-07-22 | 中山市优盛电器有限公司 | Safety gas valve with double fire outlet channels |
-
2022
- 2022-04-19 CN CN202220909065.8U patent/CN217583387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776837A (en) * | 2022-04-19 | 2022-07-22 | 中山市优盛电器有限公司 | Safety gas valve with double fire outlet channels |
| CN114776837B (en) * | 2022-04-19 | 2024-03-19 | 中山市优盛电器有限公司 | Safety gas valve with double fire outlet channels |
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Granted publication date: 20221014 |