CN217583276U - Gas valve with safe valve opening function - Google Patents
Gas valve with safe valve opening function Download PDFInfo
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- CN217583276U CN217583276U CN202220911660.5U CN202220911660U CN217583276U CN 217583276 U CN217583276 U CN 217583276U CN 202220911660 U CN202220911660 U CN 202220911660U CN 217583276 U CN217583276 U CN 217583276U
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- 238000009423 ventilation Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 39
- 230000006870 function Effects 0.000 description 15
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009711 regulatory function Effects 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, in particular to a gas valve with safe valve opening function, which comprises a valve body, a valve core, a valve shaft and a valve cover, wherein when the valve shaft is in an original state, a limit bulge keeps the trend of clamping into a limit groove to limit the rotation of the valve shaft, thereby preventing a user from rotating the valve shaft by mistake under the continuous external force; after the valve shaft is pressed to the first limiting protrusion to be separated from the limiting groove in the original state, the middle of the lower limiting boss limits the second limiting protrusion to move downwards, the valve shaft can be further pressed downwards along the first inclined plane to drive the second limiting protrusion to gradually enter the first ignition groove, so that the rotating angle of the valve core is just communicated with the ever-burning channel and the ignition switch is opened to ignite the ever-burning fire, the valve shaft is limited by rotating the limiting boss to continue rotating to be communicated with the main air outlet channel, only after the ever-burning fire is ignited, the valve shaft is loosened to reset to 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.
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 gas valve with safe valve opening function.
[ background of the invention ]
The security and the rationality of present country to gas valve product require more and more high, and current gas valve rotates to arbitrary angular position at the valve shaft, then pushes down and triggers ignition switch, and this condition that just is igniteed after main gas outlet channel ventilates, very danger can appear.
[ Utility model ] content
The utility model provides a gas valve with open valve function safely, the problem that the prior art pointed out is solved to aim at.
The utility model discloses realized by following technical scheme:
the gas valve with the safe valve opening function comprises a valve body, a valve core, a valve shaft and a valve cover, wherein the valve core is rotatably arranged in the valve body, the valve shaft penetrates through the valve body and is used for driving the valve core to rotate, the valve cover is arranged on the valve body, a limiting groove is formed in one side, close to the valve body, of the valve cover, the valve shaft penetrates through the valve cover and is provided with a first limiting bulge which is convexly arranged along the radial direction, and the limiting bulge keeps the tendency of being clamped into the limiting groove when the valve shaft is in an original state; one side that the valve body was kept away from to the valve gap is equipped with rotates spacing boss, lower spacing boss and locates the first ignition groove of lower spacing boss one side, one side that lower spacing boss is close to first ignition groove is equipped with first inclined plane, first inclined plane sets up downwards to first ignition groove slope along lower spacing boss middle part, be equipped with along the spacing arch of the protruding second that establishes of radial on the valve shaft, the valve shaft pushes down to first spacing arch under original state breaks away from spacing recess after, spacing boss middle part restriction second moves down, the valve shaft rotates along first inclined plane and can further push down and drive the spacing arch of second and get into first ignition groove gradually and accomplish the ignition.
According to the gas valve with the safe valve opening function, the second ignition groove is formed in one side, away from the first ignition groove, of the lower limiting boss, the second inclined plane is formed in one side, close to the second ignition groove, of the lower limiting boss, the second inclined plane is obliquely and downwards arranged towards the second ignition groove along the middle of the lower limiting boss, the valve shaft is pressed downwards in the original state until the first limiting protrusion is separated from the limiting groove, the second limiting protrusion is limited to move downwards in the middle of the lower limiting boss, and the valve shaft can be further pressed downwards to drive the second limiting protrusion to gradually enter the second ignition groove to complete ignition along the rotation of the second inclined plane.
According to the gas valve with the safety valve opening function, the valve body is internally provided with the valve core chamber, the valve chamber communicated with the valve core chamber, the air inlet channel communicated with the valve chamber, the first ever-burning fire air outlet channel communicated with the valve core chamber, the first main air outlet channel communicated with the valve core chamber, the second ever-burning fire air outlet channel communicated with the valve core chamber and the 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 used for driving the valve core to rotate.
According to the gas valve with the safety valve opening function, the valve shaft and the valve core are in the original state, the valve core ventilation cavity is blocked by the first ever-burning open fire air outlet channel, the valve core ventilation cavity is blocked by the first main air outlet channel, the valve core ventilation cavity is blocked by the second ever-burning open fire air outlet channel, and the valve core ventilation 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 towards a direction close to the first ignition groove, the valve core can be driven to rotate to the first through hole to gradually communicate the valve core ventilation cavity and the first ever-burning open fire air outlet channel, and meanwhile, the valve core ventilation cavity and the first main air outlet channel are in a blocking state;
in the process that the valve shaft continues to rotate in the same direction from the first angle state, the valve core is driven to rotate to the valve core vent cavity and is simultaneously communicated with the first ever-burning flame gas outlet channel and the first main gas outlet channel;
in the process that the valve shaft rotates to a second angle from the original state to the direction close to the second ignition groove, the valve core can be driven to rotate to the 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 second angle state, the valve core is driven to rotate to the valve core ventilation cavity and is simultaneously communicated with the second ever-burning fire air outlet channel and the second main air outlet channel;
when the valve shaft rotates to a first angle, the second limiting bulge enters the first ignition groove; when the valve shaft rotates to a second angle, the second limiting protrusion enters the second ignition groove.
The gas valve with the safe valve opening function 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 gas valve with the safe valve opening function 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 top valve shaft to push the electromagnetic valve.
According to the gas valve with the safety valve opening function, 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.
According to the gas valve with the safety valve opening function, 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 gas valve with the safe valve opening function further comprises a control cam, an indication microswitch and an indication device, wherein the control cam is coaxially and fixedly sleeved on the valve shaft, the indication microswitch is electrically connected with the indication microswitch, a cam groove is formed in the control cam in a concave mode along the radial direction, 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 rotate synchronously, and when the valve shaft rotates until the valve core is communicated with the first main air outlet channel or the second main air outlet channel, the control cam touches the induction contact key to trigger the indication microswitch.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model provides a gas valve with safe valve opening function, including valve body, case, valve shaft and valve gap, one side that the valve gap is close to the valve body is equipped with spacing recess, and the valve shaft passes the valve gap and is equipped with the first spacing arch of protruding establishing along radial on it, and under the valve shaft was in original state, spacing arch kept the card to go into spacing recess trend, restricted the valve shaft and rotated, prevented that the user from continuing to rotate the valve shaft by mistake under the external force; the valve shaft is further pressed downwards along the rotation of 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 long open flame channel and the ignition switch is opened to ignite the long open flame, the valve shaft is limited by the rotation of the limiting boss to be connected with the main gas outlet channel, only after the long open flame is ignited firstly, the valve shaft is reset to move upwards by loosening the valve shaft, and at the moment, the first limiting bulge is staggered with the limiting groove, the valve shaft can be continuously rotated to adjust the fire, so that the operation safety of the valve is improved;
2. the utility model provides a gas valve with safe valve opening function, valve shaft can drive the case when rotating and rotate, and the case is along the rotation of a direction in-process through first through-hole intercommunication case air cavity and first ever-burning flame air outlet channel for first ever-burning flame air outlet channel ventilates earlier, opens ignition switch and ignites ever-burning flame when the valve shaft pushes down simultaneously, and the case is in the continuous rotation in-process through second through-hole intercommunication case air cavity and first main air outlet channel, makes first main air outlet channel give vent to anger; similarly, when the valve shaft drives the valve core to rotate reversely, the second ever-burning open fire air outlet channel gives out air to ignite ever-burning open fire, the valve core is continuously rotated to make the second main air outlet channel give out air, a user can select the first main air outlet channel or the second main air outlet channel to give out air, and therefore, not only can one gas valve control two fire power, but also the use is more convenient, and meanwhile, the two main air outlet channels are communicated with the corresponding ever-burning open fire channels and ignite ever-burning open fire before giving out air, and the use safety is ensured;
3. 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; when the valve shaft is pressed downwards, the electromagnetic valve is opened through the valve opening assembly, so that fuel gas is introduced into the valve chamber from the gas inlet channel through the valve core chamber, the electromagnetic valve can be triggered only by pushing the valve opening pressing plate and the top valve shaft to be pressed downwards when the valve shaft is pressed downwards, the valve core chamber is communicated with the valve chamber, if the valve shaft is not pressed downwards in place, the electromagnetic valve cannot be triggered, the valve core does not rotate, and the fuel gas does not flow out, so that the operation of the valve is safer;
4. the utility model also comprises a control cam coaxially and fixedly sleeved on the valve shaft, an indication microswitch and an indication device electrically connected with the indication microswitch, wherein the control cam is provided with a cam groove along the radial direction in a concave manner, the indication microswitch is provided with an induction contact key, and the induction contact key is separated from the control cam when corresponding to the cam groove so as to disconnect the indication microswitch; 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 or the second 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 connected or not by acquiring a signal for indicating the disconnection or triggering of the microswitch so as to play an indicating role, so that an operator can know the connection or disconnection condition of the first main air outlet channel, and the operation is safer.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions 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 view of the present invention in a partial cross-sectional structure;
FIG. 3 is a schematic cross-sectional view taken along line E-E of FIG. 2;
fig. 4 is a schematic perspective view of the present invention;
FIG. 5 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 2;
FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 2;
FIG. 8 is a schematic cross-sectional view taken along line D-D of FIG. 2;
fig. 9 is a schematic structural diagram of the middle valve element of the present invention.
[ detailed description ] embodiments
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 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 should 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 in specific cases to those skilled in the art.
In a specific embodiment, as shown in fig. 1 to 9, a gas valve with a safety valve opening function 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, an ignition switch 4, and a valve cover 5 disposed on the valve body 1, wherein a limit groove 51 is disposed on one side of the valve cover 5 close to the valve body 1, the valve shaft 3 passes through the valve cover 5 and is provided with a first limit protrusion 31 protruding in a radial direction, and the first limit protrusion 31 keeps a tendency of being clamped into the limit groove 51 when the valve shaft 3 is in an original state; a rotation limiting boss 52, a lower limiting boss 53 and a first ignition groove 54 arranged on one side of the lower limiting boss 53 are arranged on one side of the valve cover 5 away from the valve body 1, a first inclined surface 531 is arranged on one side of the lower limiting boss 53 close to the first ignition groove 54, the first inclined surface 531 is obliquely and downwards arranged towards the first ignition groove 54 along the middle of the lower limiting boss 53, a second limiting protrusion 32 which is convexly arranged along the radial direction is arranged on the valve shaft 3, the ignition switch 4 is opened when the valve shaft 3 is pressed downwards, the middle of the lower limiting boss 53 limits the second limiting protrusion 32 to downwards move after the valve shaft 3 is pressed downwards until the first limiting protrusion 31 is separated from the limiting groove 51 in the original state, and the valve shaft 3 can further press downwards and drive the second limiting protrusion 32 to gradually enter the first ignition groove 54 to complete ignition along the rotation of the first inclined surface 531. 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.
In addition, the valve body 1 is internally provided with a valve core chamber 11, a valve chamber 12 communicated with the valve core chamber 11, an air inlet channel 13 communicated with the valve chamber 12, a first ever-burning open fire air outlet channel 14 communicated with the valve core chamber 11, a first main air outlet channel 15 communicated with the valve core chamber 11, a second ever-burning open fire air outlet channel 16 communicated with the valve core chamber 11, and a second main air outlet channel 17 communicated with the valve core chamber 11; the valve core 2 is rotatably arranged in the valve core chamber 11, a valve core 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. 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, 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, 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.
Further, 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 the original state towards the direction close to the first ignition groove 54, 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, the valve core 2 is driven to rotate to the valve core vent cavity 21 and is communicated with the first ever-burning open fire air outlet channel 14 and the first main air outlet channel 15;
in the process that the valve shaft 3 rotates to a second angle from the original state towards the direction close to the second ignition groove 55, 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 fire air outlet channel 16, and meanwhile, the valve core vent cavity 21 and the second main air outlet channel 17 are in a blocking state;
in the process that the valve shaft 3 continues to rotate in the same direction from the second angle state, the valve core 2 is driven to rotate to the valve core vent cavity 21 and is simultaneously communicated with the second ever-burning open flame gas outlet channel 16 and the second main gas outlet channel 17;
when the valve shaft 3 rotates to a first angle, the second limit protrusion 32 enters the first ignition slot 54; when the valve shaft 3 rotates to the second angle, the second limit protrusion 32 enters the second ignition groove 55. Specifically, the first angle and the second angle are equal in size.
More specifically, the electromagnetic valve 6 and the valve opening assembly 7 are also included, the electromagnetic valve 6 is arranged in the valve chamber 12 and is used for blocking the valve core chamber 11 and the valve chamber 12; the valve opening assembly 7 is used for opening the solenoid valve 6 to communicate the valve element chamber 11 and the valve chamber 12. The valve opening assembly 7 includes a top valve shaft 71 penetrating 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 the electromagnetic valve 6 open, 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, and 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 the electromagnetic valve 6 open. 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, 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. During the process that the first through hole 22 rotates along with the valve core 2, the valve core ventilation cavity 21 and the first long open fire air outlet channel 14 are firstly communicated, the second through hole 23 is communicated with the valve core ventilation cavity 21 and the first main air outlet channel 15 after the valve core ventilation cavity rotates continuously, at the moment, the first through hole is kept communicated with the valve core ventilation cavity 21 and the first long open fire air outlet channel 14, even if the valve core ventilation cavity 21 is communicated with the first long open fire air outlet channel 14 and the first main air outlet channel 15 at the same time; 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.
Still further, 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.
Specifically, 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. The indicating microswitch is electrically connected with the indicating device, and the indicating device judges whether the first main air outlet channel is connected or not by acquiring a signal for indicating the disconnection or triggering of the microswitch so as to play an indicating role, so that an operator can clearly know the connection or disconnection condition of the first main air outlet channel, and the operation is safer. Specifically, the cam groove 81 includes a first side wall surface 811 and a second side wall surface 812 that are 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 a second angle, the second sidewall 812 just contacts the sensing contact key 91.
More specifically, the ignition switch 4 includes an ignition contact key 41 and an ignition 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 down, the control cam 8 drives the control cam 8 to move down, and the control cam 8 presses the ignition elastic sheet 42 down to press the ignition contact key 41. When the valve shaft 3 rotates along the first inclined plane 531 to further press 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 down 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 loosened, the valve shaft 3 resets and moves up to the second limit protrusion 32 to be separated from the first ignition groove 54, at this time, the first limit protrusion and the limit groove are staggered, the valve shaft can be continuously rotated to adjust the fire, and the operation safety of the gas valve is greatly improved; 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.
Further, a thermocouple 18 electrically connected with the solenoid 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, 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 away from the outlet valve port 151 in the process of anticlockwise rotation 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 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 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 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.
The above description is provided for an embodiment of the present invention, and the embodiments of the present invention are not limited to the above description, and are not limited to the above nomenclature or 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 (9)
1. The gas valve with the safe valve opening 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 manner and used for driving the valve core (2) to rotate, and a valve cover (5) arranged on the valve body (1), wherein 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 tendency of being clamped into the limiting groove (51) when the valve shaft (3) is in an original state; one side of the valve cover (5) far away from the valve body (1) is provided with a rotary limiting boss (52), a lower limiting boss (53) and a first ignition groove (54) arranged on one side of the lower limiting boss (53), one side of the lower limiting boss (53) close to the first ignition groove (54) is provided with a first inclined surface (531), the first inclined surface (531) is inclined downwards towards the first ignition groove (54) along the middle part of the lower limiting boss (53), a second limiting bulge (32) protruding along the radial direction is arranged on the valve shaft (3), the valve shaft (3) is pressed to the first limiting bulge (31) in the original state to be separated from the limiting groove (51), the middle part of the lower limiting boss (53) limits the second limiting bulge (32) to move downwards, and the valve shaft (3) can further press downwards along the rotation of the first inclined surface (531) and drive the second limiting bulge (32) to gradually enter the first ignition groove (54) to finish ignition.
2. The gas valve with the safety valve opening function according to claim 1, wherein a second ignition groove (55) is formed in a side, away from the first ignition groove (54), of the lower limiting boss (53), a second inclined surface (532) is formed in a side, close to the second ignition groove (55), of the lower limiting boss (53), the second inclined surface (532) is obliquely and downwards 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 position where the first limiting protrusion (31) is separated from the limiting groove (51) in an original state, the middle of the lower limiting boss (53) limits the second limiting protrusion (32) to downwards move, and the valve shaft (3) can further downwards press along the second inclined surface (532) to drive the second limiting protrusion (32) to gradually enter the second ignition groove (55) to complete ignition.
3. The gas valve with the safety valve opening function according to claim 2, wherein 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 outlet channel (14) communicated with the valve core chamber (11), a first main outlet channel (15) 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 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.
4. The gas valve with the safety valve opening function according to claim 3, wherein 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 flame 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 flame 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 towards a direction close to the first ignition groove (54), 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, 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 an original state to a direction close to the second ignition groove (55), 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 long open fire air outlet channel (16), and meanwhile, the valve core vent cavity (21) and the second main air outlet channel (17) are in a blocking state;
in the process that the valve shaft (3) continues to rotate in the same direction from the second angle state, the valve core (2) is driven to rotate to the valve core ventilation cavity (21) and is communicated with the second ever-burning flame air outlet channel (16) and the second main air outlet channel (17);
when the valve shaft (3) rotates to a first angle, the second limiting protrusion (32) enters the first ignition groove (54); when the valve shaft (3) rotates to a second angle, the second limiting protrusion (32) enters the second ignition groove (55).
5. The gas valve with the safe valve opening function according to claim 3, further comprising a solenoid valve (6) and a valve opening assembly (7), wherein the solenoid valve (6) is arranged in the valve chamber (12) and is used for blocking the valve core chamber (11) and the valve chamber (12); the valve opening assembly (7) is used for opening the electromagnetic valve (6) to communicate the valve core chamber (11) and the valve chamber (12).
6. The gas valve with the safety valve opening function according to 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 upwards, one end of the top valve shaft (71) can move downwards and 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 of the valve opening pressing plate is positioned above the top valve shaft (71), when the valve shaft (3) moves downwards, the valve opening pressing plate (72) is pushed downwards, so that the valve opening pressing plate (72) pushes the top valve shaft (71) downwards to push and open the solenoid valve (6).
7. The gas valve with the safety valve opening function according to claim 3, 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).
8. The gas valve with the function of safe valve opening according to claim 3, 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).
9. The gas valve with the safety valve opening function according to claim 3, further comprising 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 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); 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) or the second main air outlet channel (17), the control cam (8) touches the induction contact key (91) to trigger the indication microswitch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220911660.5U CN217583276U (en) | 2022-04-19 | 2022-04-19 | Gas valve with safe valve opening function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220911660.5U CN217583276U (en) | 2022-04-19 | 2022-04-19 | Gas valve with safe valve opening function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217583276U true CN217583276U (en) | 2022-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220911660.5U Expired - Fee Related CN217583276U (en) | 2022-04-19 | 2022-04-19 | Gas valve with safe valve opening function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217583276U (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 CN202220911660.5U patent/CN217583276U/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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| CF01 | Termination of patent right due to non-payment of annual fee |
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