CN109058518B - Electrical dual-purpose gas valve - Google Patents
Electrical dual-purpose gas valve Download PDFInfo
- Publication number
- CN109058518B CN109058518B CN201810984517.7A CN201810984517A CN109058518B CN 109058518 B CN109058518 B CN 109058518B CN 201810984517 A CN201810984517 A CN 201810984517A CN 109058518 B CN109058518 B CN 109058518B
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- valve
- knob
- knob rod
- rod
- air outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/007—Regulating fuel supply using mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The utility model relates to an electric dual-purpose gas valve, which comprises a valve body, wherein the valve body is internally provided with a gas inlet channel, a gas outlet channel and a long open fire gas outlet channel, a rotatable valve core is arranged in the valve body, the lower part of the valve core is provided with a vent cavity with a downward opening, a fire hole and a long open fire hole are formed in the side wall of the vent cavity, a knob rod for driving the valve core to rotate is arranged on the valve body in a penetrating manner, and the knob rod keeps upward moving trend; the method is characterized in that: the valve body is internally provided with a valve plate for controlling the air outlet quantity of the air outlet channel, the rotation energy of the knob rod drives the valve plate to move, and the outlet of the air inlet channel is positioned below the valve core; the upper part outside the valve body is provided with an ignition micro switch and an electric heating micro switch, and the knob rod is provided with a triggering part for triggering the ignition micro switch and the electric heating micro switch. The gas valve is an electric dual-purpose gas valve which is reasonable in structural design, can control a gas circuit and a control circuit, and can ensure the ignition efficiency of the lower fire row.
Description
Technical Field
The utility model relates to a gas plug valve, in particular to an electric dual-purpose gas valve for a gas oven.
Background
Some gas ovens have two baking chambers arranged at intervals up and down, each baking chamber is provided with a fire row, in general, a lower fire row in the lower baking chamber has a fire control possibility, and an upper fire row in the upper baking chamber has a certain fire intensity, and is generally a big fire. The lower fire row is completely shielded by the oven body, and the upper fire row is visible, so that when the lower fire row is ignited, whether the ignition is successful cannot be observed by eyes, if the ignition is unsuccessful for a plurality of times, the fuel gas is released in the ignition process, when the ignition is successful next time, the explosion sound of 'bang' is generated when the fuel gas content of the surrounding air of the lower fire row is larger, certain potential safety hazards exist, and some countries go out of the national standard, and the conditions cannot occur. The ignition device can directly observe whether ignition is successful or not, so that the condition is not existed. Such a gas oven is disclosed in chinese patent No. ZL201220709936.8 (bulletin No. CN 203059420U), a double cavity gas oven composed of baffles.
The upper and lower baking chambers of the gas oven are heated by gas, the lower baking chamber is heated by gas, and the upper baking chamber is heated by electricity, so that a gas valve for electric appliances is needed.
Therefore, how to design a gas valve which can only control the gas flow and trigger two fire bars and ensure the ignition efficiency of the lower fire bar is a technical problem which needs to be solved by the technicians in the field.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the gas valve with reasonable structural design, which can control a gas path and a circuit, and can ensure the ignition efficiency of a lower fire row.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an electric dual-purpose gas valve, includes the valve body that inside has inlet channel, gas outlet channel and long open fire gas outlet channel, is equipped with rotatable case in the valve body, and the case lower part is equipped with the opening and lets air cavity downwards, opens fire hole and long open fire hole on the chamber lateral wall of letting air, wears to be equipped with on the valve body to be used for driving the rotatory knob pole of case, and the knob pole keeps the trend of shifting upwards; the method is characterized in that: the valve body is internally provided with a valve plate for controlling the air outlet quantity of the air outlet channel, the rotation energy of the knob rod drives the valve plate to move, and the outlet of the air inlet channel is positioned below the valve core; the upper part of the valve body is provided with an ignition micro switch and an electric heating micro switch, and the knob rod is provided with a triggering part for triggering the ignition micro switch and the electric heating micro switch; when the knob rod and the valve core are in an original state, the fire hole is blocked with the air outlet channel, the pilot fire hole is blocked with the pilot fire air outlet channel, and the triggering part does not trigger the ignition micro switch and the electric heating micro switch; when the knob rod rotates clockwise from an original state to a first angle state, the valve core is driven to rotate to a position where the fire hole is blocked with the air outlet channel and the long-open fire hole is blocked with the long-open fire air outlet channel, and meanwhile, the triggering part triggers the electric heating micro switch; when the knob rod rotates anticlockwise from an original state to a second angle state, the valve core is driven to rotate to a position where the fire hole is communicated with the air outlet channel and the pilot fire hole is communicated with the pilot fire air outlet channel, the valve plate blocks the fire hole from being directly communicated with the air outlet channel, and meanwhile, the triggering part triggers the ignition micro switch and does not trigger the electric heating micro switch; in the process that the knob rod continuously rotates anticlockwise from the second angle state to the third angle, the rotation of the knob rod does not drive the valve core to rotate any more, the rotation of the knob rod drives the valve plate to move towards the direction of increasing the air outlet quantity of the air outlet channel, and meanwhile, the triggering part still keeps the state of triggering the ignition micro switch and not triggering the electric heating micro switch.
Because the air outlet channel is generally arranged at the side part, the inlet position of the air outlet channel is not on the same axis with the knob rod, and the valve block is inconvenient to be matched with the inlet position of the air outlet channel, so that the valve block and the knob rod can be matched, the valve block can deviate far, and the valve rod is inconvenient to be connected with the valve block which is arranged in a deviating way. Preferably, a valve port is arranged in the valve body and is positioned right below the knob rod, the valve plate is restrained below the valve port and can move up and down, the opening degree of the valve port is increased by moving the valve plate downwards, the opening degree of the valve port is reduced by moving the valve plate upwards, the fire hole is positioned above the valve plate, and the inlet of the air outlet channel is positioned below the valve plate; under the condition that the knob rod rotates anticlockwise from an original state to a second angle state, the valve plate still closes the valve port, so that gas can only pass through the long open fire air outlet channel, the gas outlet quantity is small, the gas only needs to ignite the long open fire first, the air outlet channel basically does not give out air, and the ignition stability of the lower fire row is further ensured. In the process that the knob rod continuously rotates anticlockwise from the second angle state to the third angle, the rotation of the knob rod drives the valve plate to move downwards; in the process that the knob rod rotates clockwise from the third angle to the second angle, the rotation of the knob rod drives the valve plate to move upwards. The valve plate can be positioned below the knob rod, and is convenient to be connected with the knob rod.
As an improvement, an auxiliary air passage is arranged in the valve body, an air inlet of the auxiliary air passage is positioned above the valve port, an air outlet of the auxiliary air passage is positioned below the valve port, and under the condition that the knob rod rotates anticlockwise from an original state to a second angle alpha 2, fuel gas from the fire hole can only be communicated with the air outlet passage through the auxiliary air passage, and an adjusting flow for adjusting the air outlet quantity of the auxiliary air passage is vertically arranged in the auxiliary air passage in a penetrating manner. The setting of the adjusting flow can adjust the fire of the minimum fire of the lower fire row.
Further improved, the valve plate is fixed in the middle of a valve rod, the upper part of the valve rod is inserted into a connecting hole at the lower end of a knob rod, the knob rod can move up and down relative to the valve rod, the rotation of the knob rod can drive the rotation of the valve rod, a threaded hole with a downward opening is formed in the bottom of the valve rod, a threaded column is fixed at the bottom in the valve body, and the threaded column is located below the valve rod and is inserted into the threaded hole in a threaded mode. Because the valve rod is rotation operation, the valve plate is driven to move by the structure through the principle of thread transmission, and the valve rod is utilized to rotate to drive the valve plate to move up and down, so that the design is more reasonable.
In order to enable the gas valve to have an automatic temperature control and adjustment function, preferably, a power component is fixedly arranged at the bottom of the valve body in a penetrating manner, a threaded column is arranged on the power component, and the power component can move up and down through thermal expansion and contraction. The power part is connected with the temperature sensing rod through the heat conduction part, temperature sensing oil is arranged in the power part, the power part is driven to move up and down through thermal expansion and contraction, when the temperature of a fire exhaust reaches a certain temperature, the temperature sensing rod conducts heat to the temperature sensing oil through the heat conduction part, the power part moves up and down under the pushing of the temperature sensing oil, finally, the adjustment of the upper and lower positions of the valve plate is realized, and the air outlet quantity of the first air outlet channel is controlled.
In order to limit the maximum rotation angle of the knob rod and limit the knob rod in an original state, a rotary limiting disc is fixed on the knob rod and is provided with a laterally protruding limiting block, and a limiting groove and an arc-shaped boss are formed in the top surface in the valve body; when the knob rod is in an original state, a limiting block on the rotation limiting disc keeps a trend of being clamped into the limiting groove; when the knob rod rotates clockwise from an original state to a first angle state, a limiting block on the rotation limiting disc contacts with one side of the arc-shaped boss to prevent the knob rod from rotating further clockwise; and in a state that the knob rod rotates anticlockwise to a third angle, a limiting block on the rotation limiting disc is contacted with the other side of the arc-shaped boss to prevent the knob rod from rotating anticlockwise further. The knob rod can be rotated only by pressing down in the original state, and the safety is high.
Further improvement, the axes of the knob rod and the valve core are arranged at intervals in parallel, the knob rod is sleeved with a driving gear which can rotate along with the knob rod, the knob rod can slide up and down relative to the driving gear, and the driving gear has one section of driving arc-shaped tooth part and the other section of tooth-free arc-shaped surface; the valve core is sleeved with a driven gear which can rotate along with the valve core, the driven gear has only one section of driven arc-shaped tooth part, and the other section of driven gear is a toothless arc-shaped surface; the tail end of the driving arc-shaped tooth part is meshed with the tail end of the driven arc-shaped tooth part when the knob rod and the valve core are in an original state; the active arc-shaped tooth part is disengaged from the passive arc-shaped tooth part during the clockwise rotation of the knob rod from the original state to the first angle and the anticlockwise rotation of the knob rod from the second angle state to the third angle; the active arcuate tooth engages the passive arcuate tooth during the counterclockwise rotation of the knob stem from the original condition to the second angle. In order to realize a reasonable and simple structure for limiting the rotation angle of the valve core, when two gears are meshed with each other in a toothed manner, the knob rod can drive the valve core to rotate, otherwise, the knob rod can only idle.
For making gas valve operation have more security, be equipped with in the above-mentioned valve body and be used for safety solenoid valve, safety solenoid valve is located the below of case, the case still has the cavity of going up, and the ejector pin is worn to be equipped with in the bottom surface of going up the cavity, and the downmovement of ejector pin can trigger safety solenoid valve, the cover is equipped with the spring that makes the ejector pin keep the trend of shifting up on the ejector pin, and the spring is located the cavity of going up, still be equipped with a wane in the valve body, the top of ejector pin acts on the free end of wane to make the wane can upwards tilt up around one end, the wane of wane acts on the knob pole is in order to make the knob pole keep the trend of shifting up. Only the knob rod is pressed down to send out the safety electromagnetic valve, the air source main switch can be started, if the knob rod is not pressed down in place, the safety electromagnetic valve is not triggered, and even if the valve core rotates, the fuel gas does not flow out. In addition, the ejector rod itself triggering the safety electromagnetic valve needs to be jacked by a spring, and the structure is combined with the seesaw, so that the spring keeps the knob rod moving upwards, and the spring is not required to be additionally arranged for the knob rod.
For the equipment of being convenient for, above-mentioned valve body comprises valve casing, valve gap, left joint and right joint, the valve gap is fixed at the valve casing top, and left side connects and right joint connects the left and right sides at the valve casing respectively, set up on right joint on the long open fire passageway of giving vent to anger, the passageway of giving vent to anger sets up on the left joint, the passageway of admitting air sets up on the preceding lateral wall of valve casing, the knob pole wears to establish on the valve cover and stretches into in the valve casing.
Preferably, the triggering component is axially restrained on the knob rod and can rotate along with the knob rod, the triggering component is provided with a raised touch part, the triggering component moves downwards along with the knob rod, the bottom surface of the touch component triggers the ignition micro-switch, and the triggering component rotates clockwise along with the knob rod to a first angle state, and the side surface of the touch part triggers the electric heating micro-switch. The trigger component has simple structure and convenient assembly.
Compared with the prior art, the utility model has the advantages that: the valve body of the gas valve is provided with a gas outlet channel, a long-open-fire gas outlet channel and a valve plate, an ignition micro switch and an electric heating micro switch are arranged at the upper part outside the valve body, and a trigger part for triggering the ignition micro switch and the electric heating micro switch is arranged on a knob rod, so that gas can be supplied to a lower fire exhaust through the gas outlet channel; the valve core is rotated to be communicated with the open fire air outlet channel, the valve block blocks the fire hole from being directly communicated with the air outlet channel, the air outlet channel is hardly air-discharged at the moment, the gas passes through the open fire air outlet channel, the open fire on the lower fire row is ignited first, the knob rod is continuously rotated, after the air outlet channel is ventilated, the success rate of effective ignition of the lower fire row is ensured, the condition that the lower fire row continuously discharges the gas is avoided when the ignition of the lower fire row is unsuccessful, and the use is safer; the valve plate of the structure can adjust the fire of the lower fire row, and the fire adjustment is realized by rotating the valve core at different angles to align the fire holes with different apertures to the air passage, as in the traditional gas valve, and the structure of the valve core is greatly simplified; when the electric heating baking chamber is needed, the knob rod is rotated clockwise to a first angle, the valve core is rotated to a position where the fire hole is blocked with the air outlet channel, the air outlet channel with the long open fire is blocked with the air outlet channel with the long open fire, the air outlet channel and the long open fire channel are not air-out, and the triggering part triggers the electric heating micro switch to realize electric heating, so that the gas valve has an electric appliance dual-purpose function.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a first embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of an embodiment of the present utility model with a spool in place;
FIG. 5 is a cross-sectional view of an embodiment of the present utility model at the location of a knob stem;
FIG. 6 is a partial exploded perspective view of an embodiment of the present utility model;
FIG. 7 is a schematic diagram illustrating assembly of a rotation limiting disc and a valve cover according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of the working principle of the embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1-8, is a preferred embodiment of the present utility model.
The utility model provides an electric dual-purpose gas valve, includes inside has air inlet channel 1a, air outlet channel 1b and long open fire air outlet channel 1 c's valve body 1, is equipped with rotatable case 2 in the valve body 1, and case 2 lower part is equipped with opening down ventilation chamber 21, and it has fire hole 22 and long open fire hole 23 to open on ventilation chamber 21 lateral wall, wears to be equipped with on the valve body 1 to be used for driving the rotatory knob pole 3 of case 2, and knob pole 3 keeps the trend of shifting up. The valve body 1 comprises a valve shell 11, a valve cover 12, a left joint 13 and a right joint 14, wherein the valve cover 12 is fixed at the top of the valve shell 11, the left joint 13 and the right joint 14 are respectively connected to the left side and the right side of the valve shell 11, a long open fire air outlet channel 1c is arranged on the right joint 14, an air outlet channel 1b is arranged on the left joint 13, an air inlet channel 1a is arranged on the front side wall of the valve shell 11, and a knob rod 3 is arranged on the valve cover 12 in a penetrating manner and stretches into the valve shell 11.
The valve body 1 is also internally provided with a valve plate 4 for controlling the air outlet quantity of the air outlet channel 1b, the rotation energy of the knob rod 3 drives the valve plate 4 to move, and the outlet of the air inlet channel 1a is positioned below the valve core 2; the upper part outside the valve body 1 is provided with an ignition micro switch 5a and an electric heating micro switch, and the knob rod 3 is provided with a triggering part 6 for triggering the ignition micro switch 5a and the electric heating micro switch 5b; the trigger part 6 is axially restrained on the knob rod 3 and can rotate together with the knob rod 3, the trigger part 6 is provided with a raised touch part 61, the trigger part 6 moves downwards along with the knob rod, the bottom surface of the trigger part 6 triggers the ignition micro-switch 5a, and the side surface of the touch part 61 triggers the electric heating micro-switch 5b.
When the knob rod 3 and the valve core 2 are in the original state, the fire hole 22 is blocked with the air outlet channel 1b, the long-open fire hole is blocked with the long-open fire air outlet channel 1c, and the trigger part 6 does not trigger the ignition micro switch 5a and the electric heating micro switch 5b;
in the state where the knob stem 3 is rotated clockwise from the original state to the first angle α1, the valve spool 2 is held at a position where the fire hole 22 is blocked from the gas outlet passage 1b and where the pilot fire hole is blocked from the pilot fire gas outlet passage 1c, and at the same time, the triggering member 6 triggers the electric heating micro switch 5b. The first angle α1 in the present embodiment is 62 degrees.
When the knob rod 3 rotates anticlockwise from the original state to the second angle alpha 2 state, the valve core 2 is driven to rotate to a position where the fire hole 22 is communicated with the air outlet channel 1b and the pilot fire hole 23 is communicated with the pilot fire air outlet channel 1c, the valve plate 4 blocks the fire hole 22 from being directly communicated with the air outlet channel 1b, and meanwhile, the triggering part 6 triggers the ignition micro-switch 5a but does not trigger the electric heating micro-switch 5b. The second angle α2 in the present embodiment is 50 degrees.
In the process that the knob rod 3 continues to rotate anticlockwise from the second angle alpha 2 state to the third angle alpha 3, the rotation of the knob rod 3 does not drive the valve core 2 to rotate any more, the rotation of the knob rod 3 drives the valve plate 4 to move in the direction of increasing the air output of the air outlet channel 1b, and meanwhile, the triggering part 6 still keeps the state of triggering the ignition micro switch 5a but not triggering the electric heating micro switch 5b. The third angle α3 in the present embodiment is 231 degrees.
The valve body 1 is internally provided with a valve port 111, the valve port 111 is positioned right below the knob rod 3, the valve plate 4 is restrained below the valve port 111 and can move up and down, the downward movement of the valve plate 4 can increase the opening degree of the valve port 111, the upward movement of the valve plate 4 can reduce the opening degree of the valve port 111, the fire hole 22 is positioned above the valve plate 4, and the inlet of the air outlet channel 1b is positioned below the valve plate 4; in the state that the knob stem 3 rotates counterclockwise from the original state to the second angle alpha 2, the valve plate 4 still closes the valve port 111; in the process that the knob rod 3 continues to rotate anticlockwise from the second angle alpha 2 state to the third angle alpha 3, the rotation of the knob rod 3 drives the valve plate 4 to move downwards; in the process that the knob rod 3 rotates clockwise from the third angle alpha 3 to the second angle alpha 2, the rotation of the knob rod 3 drives the valve plate 4 to move upwards. An auxiliary air passage 1d is arranged in the valve body 1, an air inlet 1d1 of the auxiliary air passage 1d is positioned above the valve port 111, an air outlet 1d2 of the auxiliary air passage 1d is positioned below the valve port 111, the knob rod 3 rotates anticlockwise from an original state to a second angle alpha 2, the valve plate 4 is in a state of closing the valve port 111, fuel gas coming out of the fire hole 22 can be communicated with the air outlet passage 1b only through the auxiliary air passage 1d, and an adjusting flow 15 for adjusting the air outlet quantity of the auxiliary air passage 1d is vertically arranged in the auxiliary air passage 1d in a penetrating mode.
The valve block 4 is fixed in the middle part of a valve rod 7, and in the connecting hole 32 of the upper portion of valve rod 7 inserted knob pole 3 lower extreme, the rotation of knob pole 3 can reciprocate and knob pole 3 can drive the rotation of valve rod 7 relatively valve rod 7, and open the bottom of valve rod 7 has the screw hole 71 of opening downwards, and the bottom in the valve body 1 is fixed with screw post 101, and screw post 101 is located the below of valve rod 7 and inserts threaded connection in screw hole 71. The power component 10 is fixedly penetrated at the bottom of the valve body 1, the threaded column 101 is arranged on the power component 10, the power component 10 can move up and down through expansion with heat and contraction with cold, and the structure inside the power component 10 is not shown in the drawing. The driving structure of the power component 10 is connected with the temperature sensing rod 102, a built-in cavity of the power component is provided with temperature sensing oil, the cavity can move up and down according to thermal expansion and contraction of the internal temperature sensing oil, when the temperature of a fire exhaust reaches a certain temperature, heat of the temperature sensing rod 102 is conducted to the temperature sensing oil through the heat conducting component, the power component 10 moves up and down under the pushing of the temperature sensing oil (is heated, expands, the power component 10 moves down, contracts when encountering cold, and the power component 10 moves up and down), and finally the adjustment of the up-and-down position of the valve plate 4 is realized, and the air outlet quantity of the air outlet channel 1b is controlled.
A rotary limiting disc 31 is fixed on the knob rod 3, the rotary limiting disc 31 is provided with a laterally protruding limiting block 311, and a limiting groove 121 and an arc-shaped boss 122 are formed in the top surface in the valve body 1; in the original state of the knob rod 3, the limit block 311 on the rotation limit disc 31 keeps the trend of being blocked into the limit groove 121; in the state that the knob stem 3 is rotated clockwise from the original state to the first angle α1, the stopper 311 on the rotation stopper plate 31 contacts with one side of the arc-shaped boss 122 to prevent the knob stem 3 from being rotated further clockwise; in a state where the knob stem 3 is rotated counterclockwise to the third angle α3, the stopper 311 on the rotation stopper plate 31 contacts the other side of the arc-shaped boss 122 to prevent the knob stem 3 from being rotated further counterclockwise.
The axis of the knob rod 3 and the axis of the valve core 2 are arranged at intervals in parallel, a driving gear 8 capable of rotating along with the knob rod 3 is sleeved on the knob rod 3, the knob rod 3 can slide up and down relative to the driving gear 8, the driving gear 8 has only one section of driving arc-shaped tooth part 81, and the other section of driving gear 8 is a first toothless arc-shaped surface 82; the valve core 2 is sleeved with a driven gear 9 which can rotate along with the valve core 2, and the driven gear 9 has only one section of driven arc-shaped tooth part 91 and the other section of driven gear is a second toothless arc-shaped surface 92; in the original state of the knob stem 3 and the valve core 2, the end of the active arc-shaped tooth part 81 is meshed with the end of the passive arc-shaped tooth part 91; the active arc-shaped tooth portion 81 is disengaged from the passive arc-shaped tooth portion 91 during the clockwise rotation of the knob stem 3 from the original state to the first angle α1 and during the further counterclockwise rotation of the knob stem 3 from the second angle α2 state to the third angle α3; during the rotation of the knob stem 3 from the original state to the second angle α2 counterclockwise, the active arc-shaped tooth 81 is engaged with the passive arc-shaped tooth 91.
The valve body 1 is internally provided with a safety electromagnetic valve 19, the safety electromagnetic valve 19 is positioned below the valve core 2, the valve core 2 is further provided with an upper cavity 24, the bottom surface of the upper cavity 24 is provided with a push rod 16 in a penetrating way, the downward movement of the push rod 16 can trigger the safety electromagnetic valve 19, the push rod 16 is sleeved with a spring 17 which enables the push rod 16 to keep upward movement trend, the spring 17 is positioned in the upper cavity 24, the valve body 1 is also internally provided with a rocker 18, the top of the push rod 16 acts on the free end of the rocker 18, so that the rocker 18 can tilt upwards around one end, and the tilted rocker 18 acts on the knob rod 3 to enable the knob rod 3 to keep upward movement trend.
The working principle and the working process of the gas valve are as follows:
the knob rod 3 is pressed down, the limiting block 311 is separated from the limiting groove 121 to be restrained, the seesaw 18 is pushed to overcome the elastic force of the spring 17 to deflect, and then the ejector rod 16 is driven to move down to trigger the safety electromagnetic valve 10, and the air source main switch is opened.
The knob rod 3 is rotated clockwise from the original state to a first angle alpha 1, the active arc-shaped tooth part 81 is disengaged from the passive arc-shaped tooth part 91, the rotation of the knob rod 3 drives the valve core 2 to rotate, the valve core 2 is in the original state, no fuel gas passes through the gas outlet channel 1b and the long-open flame gas outlet channel 1c, and the lower flame row in the fuel gas oven does not work; at the same time, the triggering part 6 triggers the electric heating micro switch 5b, and the electric heating micro switch 5b sends out an electric signal to start the electric heating function.
The knob rod 3 is rotated anticlockwise from the original state to a second angle alpha 2, the valve core 2 is rotated clockwise until the fire hole 22 is communicated with the air outlet channel 1b, the pilot fire hole 23 is communicated with the pilot fire air outlet channel 1c, the valve plate 4 still closes the valve port 111 to be positioned at a position for blocking the direct communication between the fire hole 22 and the air outlet channel 1b, and at the moment, the fuel gas sequentially passes through the air inlet channel 1a, the ventilation cavity 21 and the fire hole 22 and then is discharged through the pilot fire air outlet channel 1d, so that the pilot fire is ignited.
In the process that the knob rod 3 continues to rotate anticlockwise from the second angle alpha 2 state to the third angle alpha 3, the active arc-shaped tooth part 81 is disengaged from the passive arc-shaped tooth part 91, the rotation of the knob rod 3 does not drive the valve core 2 to rotate any more, the rotation of the knob rod 3 drives the valve plate 4 to move in the direction of increasing the air outlet amount of the air outlet channel 1b, and the fuel gas sequentially passes through the air inlet channel 1a, the air outlet cavity 21, the fire hole 22 and the valve port 111 and is discharged through the air outlet channel 1b, and the air outlet channel 1b can be communicated with a fire row in the fuel gas oven. In the second angle alpha 2 and the third angle alpha 3, the rotation of the knob rod clockwise increases the fire discharging intensity of the lower fire, and the rotation of the knob rod anticlockwise decreases the fire discharging intensity of the lower fire.
It should be noted that, in the description of the present embodiment, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (9)
1. The utility model provides an electric dual-purpose gas valve, includes inside valve body (1) that has inlet channel (1 a), gas outlet channel (1 b) and long open fire gas outlet channel (1 c), is equipped with rotatable case (2) in valve body (1), and case (2) lower part is equipped with opening and lets out air cavity (21) downwards, opens fire hole (22) and long open fire hole (23) on the lateral wall of chamber (21) of letting out, wears to be equipped with on valve body (1) to be used for driving case (2) rotatory knob pole (3), and knob pole (3) keeps the trend of shifting upwards; the method is characterized in that: a valve plate (4) for controlling the air outlet amount of the air outlet channel (1 b) is further arranged in the valve body (1), the valve plate (4) is driven to move by the rotation energy of the knob rod (3), and the outlet of the air inlet channel (1 a) is positioned below the valve core (2); an ignition micro switch (5 a) and an electric heating micro switch are arranged at the upper part outside the valve body (1), and a trigger part (6) for triggering the ignition micro switch (5 a) and the electric heating micro switch (5 b) is arranged on the knob rod (3);
when the knob rod (3) and the valve core (2) are in an original state, the fire hole (22) is blocked with the air outlet channel (1 b), the long-open fire hole is blocked with the long-open fire air outlet channel (1 c), and the triggering part (6) does not trigger the ignition micro switch (5 a) and the electric heating micro switch (5 b);
in the state that the knob rod (3) rotates clockwise from an original state to a first angle (alpha 1), the valve core (2) is kept at a position where the fire hole (22) is blocked with the air outlet channel (1 b) and the pilot fire hole is blocked with the pilot fire air outlet channel (1 c), and meanwhile, the triggering part (6) triggers the electric heating micro switch (5 b);
under the condition that the knob rod (3) rotates anticlockwise from an original state to a second angle (alpha 2), the valve core (2) is driven to rotate to a position where a fire hole (22) is communicated with the air outlet channel (1 b), a pilot fire hole (23) is communicated with the pilot fire air outlet channel (1 c), the valve plate (4) blocks the fire hole (22) from being directly communicated with the air outlet channel (1 b), and meanwhile, the triggering part (6) triggers the ignition micro switch (5 a) but does not trigger the electric heating micro switch (5 b);
in the process that the knob rod (3) continues to rotate anticlockwise from the second angle (alpha 2) to the third angle (alpha 3), the rotation of the knob rod (3) does not drive the valve core (2) to rotate any more, the rotation of the knob rod (3) drives the valve plate (4) to move towards the direction of increasing the air outlet quantity of the air outlet channel (1 b), and meanwhile, the triggering part (6) still keeps the state of triggering the ignition micro switch (5 a) and not triggering the electric heating micro switch (5 b);
the rotary knob comprises a rotary knob rod (3) and a valve core (2), wherein the rotary knob rod (3) is provided with a driving gear (8) which can rotate along with the rotary knob rod (3) in a sleeved mode, the rotary knob rod (3) can slide up and down relative to the driving gear (8), the driving gear (8) has only one section of driving arc-shaped tooth part (81), and the other section of driving gear is a first toothless arc-shaped surface (82); the valve core (2) is sleeved with a driven gear (9) which can rotate along with the valve core (2), the driven gear (9) has only one section of driven arc-shaped tooth part (91), and the other section of driven gear is a second toothless arc-shaped surface (92); the tail end of the driving arc-shaped tooth part (81) is meshed with the tail end of the driven arc-shaped tooth part (91) when the knob rod (3) and the valve core (2) are in an original state; the active arcuate tooth (81) is disengaged from the passive arcuate tooth (91) during clockwise rotation of the knob stem (3) from the original state to the first angle (α1) and during further counterclockwise rotation of the knob stem (3) from the second angle (α2) to the third angle (α3); the active arcuate toothing (81) meshes with the passive arcuate toothing (91) during the rotation of the knob stem (3) from the original state towards the counter-clockwise direction to a second angle (alpha 2).
2. The electrical dual-purpose gas valve of claim 1, wherein: the valve body (1) is internally provided with a valve port (111), the valve port (111) is positioned right below the knob rod (3), the valve plate (4) is restrained below the valve port (111) and can move up and down, the downward movement of the valve plate (4) can increase the opening degree of the valve port (111), the upward movement of the valve plate (4) can reduce the opening degree of the valve port (111), the fire hole (22) is positioned above the valve plate (4), and the inlet of the air outlet channel (1 b) is positioned below the valve plate (4); in a state that the knob rod (3) rotates anticlockwise from an original state to a second angle (alpha 2), the valve plate (4) still closes the valve port (111); in the process that the knob rod (3) continuously rotates anticlockwise from the second angle (alpha 2) state to the third angle (alpha 3), the rotation of the knob rod (3) drives the valve plate (4) to move downwards; in the process that the knob rod (3) rotates clockwise from the third angle (alpha 3) to the second angle (alpha 2), the rotation of the knob rod (3) drives the valve plate (4) to move upwards.
3. The electrical dual-purpose gas valve of claim 2, wherein: be equipped with auxiliary air flue (1 d) in valve body (1), air inlet (1 d 1) of auxiliary air flue (1 d) are located valve port (111) top, and air outlet (1 d 2) of auxiliary air flue (1 d) are located valve port (111) below, and under the state that knob pole (3) rotated to second angle (alpha 2) anticlockwise from original state, gas that comes out from fire hole (22) only can be through auxiliary air flue (1 d) and air outlet channel (1 b) intercommunication, vertical worn in auxiliary air flue (1 d) to be equipped with regulation flow (15) that are used for adjusting auxiliary air flue (1 d) air output.
4. The electrical dual-purpose gas valve of claim 2, wherein: the valve block (4) is fixed in the middle part of a valve rod (7), in connecting hole (32) of knob pole (3) lower extreme are inserted on the upper portion of valve rod (7), and knob pole (3) can reciprocate and the rotation of knob pole (3) can drive the rotation of valve rod (7) relative valve rod (7), and open the bottom of valve rod (7) has screw hole (71) of opening down, the bottom in valve body (1) is fixed with screw post (101), and screw post (101) are located the below of valve rod (7) and insert threaded connection in screw hole (71).
5. The electrical dual-purpose gas valve as set forth in claim 4, wherein: the power component (10) is fixedly arranged at the bottom of the valve body (1) in a penetrating mode, the threaded column (101) is arranged on the power component (10), and the power component (10) can move up and down through thermal expansion and cold contraction.
6. The electrical dual-purpose gas valve of claim 1, wherein: a rotary limiting disc (31) is fixed on the knob rod (3), the rotary limiting disc (31) is provided with a laterally protruding limiting block (311), and a limiting groove (121) and an arc-shaped boss (122) are formed in the top surface in the valve body (1); when the knob rod (3) is in an original state, a limiting block (311) on the rotation limiting disc (31) keeps a trend of being clamped into the limiting groove (121); in the state that the knob rod (3) rotates clockwise from an original state to a first angle (alpha 1), a limiting block (311) on the rotation limiting disc (31) contacts with one side of the arc-shaped boss (122) to prevent the knob rod (3) from rotating further clockwise; in a state that the knob rod (3) rotates anticlockwise to a third angle (alpha 3), a limiting block (311) on the rotation limiting disc (31) is contacted with the other side of the arc-shaped boss (122) to prevent the knob rod (3) from rotating anticlockwise further.
7. The electrical dual-purpose gas valve of claim 1, wherein: be equipped with in valve body (1) and be used for safety solenoid valve (19), safety solenoid valve (19) are located the below of case (2), case (2) still have cavity (24) on, go up the bottom surface of cavity (24) and wear to be equipped with ejector pin (16), the downmovement of ejector pin (16) can trigger safety solenoid valve (19), the cover is equipped with spring (17) that make ejector pin (16) keep the trend of moving upwards on ejector pin (16), and spring (17) are located cavity (24), still be equipped with a wane (18) in valve body (1), the free end of wane (18) is acted on at the top of ejector pin (16) to make wane (18) can upwards tilt up around one end, and wane (18) of tilt are acted on knob pole (3) are kept the trend of moving upwards.
8. The electrical dual-purpose gas valve of claim 1, wherein: the valve body (1) comprises a valve casing (11), a valve cover (12), a left joint (13) and a right joint (14), wherein the valve cover (12) is fixed at the top of the valve casing (11), the left joint (13) and the right joint (14) are respectively connected to the left side and the right side of the valve casing (11), the right joint (14) is arranged on a long-open-fire air outlet channel (1 c), the air outlet channel (1 b) is arranged on the left joint (13), the air inlet channel (1 a) is arranged on the front side wall of the valve casing (11), and the knob rod (3) is arranged on the valve cover (12) in a penetrating manner and stretches into the valve casing (11).
9. The electrical dual-purpose gas valve of claim 1, wherein: the trigger part (6) is axially restrained on the knob rod (3) and can rotate along with the knob rod (3), the trigger part (6) is provided with a raised touch part (61), the trigger part (6) moves downwards along with the knob rod, the bottom surface of the trigger part (6) triggers the ignition micro switch (5 a), the trigger part (6) rotates clockwise along with the knob rod (3) to a first angle (alpha 1) state, and the side surface of the touch part (61) triggers the electric heating micro switch (5 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984517.7A CN109058518B (en) | 2018-08-28 | 2018-08-28 | Electrical dual-purpose gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984517.7A CN109058518B (en) | 2018-08-28 | 2018-08-28 | Electrical dual-purpose gas valve |
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| Publication Number | Publication Date |
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| CN109058518A CN109058518A (en) | 2018-12-21 |
| CN109058518B true CN109058518B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810984517.7A Active CN109058518B (en) | 2018-08-28 | 2018-08-28 | Electrical dual-purpose gas valve |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058518B (en) * | 2018-08-28 | 2023-09-08 | 宁波来特燃气具有限公司 | Electrical dual-purpose gas valve |
| CN110953365A (en) * | 2019-12-30 | 2020-04-03 | 浙江新涛智控科技股份有限公司 | Gas plug valve |
| CN112963556B (en) * | 2021-02-05 | 2022-08-30 | 广东超人节能厨卫电器有限公司 | Valve element assembly, gas valve and stove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718354A (en) * | 2009-12-04 | 2010-06-02 | 中山市祥丰瓦斯器材制品有限公司 | Automatic temperature-control gas safety valve |
| WO2017156650A1 (en) * | 2016-03-15 | 2017-09-21 | 李雪波 | Gas valve capable of achieving synchronous change in both outer-ring fire and inner-ring fire |
| CN107339449A (en) * | 2017-02-27 | 2017-11-10 | 宁波方太厨具有限公司 | Inner and outer ring flow gas regulating valve |
| CN109058518A (en) * | 2018-08-28 | 2018-12-21 | 宁波来特燃气具有限公司 | Electric and gas dual purpose gas valve |
-
2018
- 2018-08-28 CN CN201810984517.7A patent/CN109058518B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718354A (en) * | 2009-12-04 | 2010-06-02 | 中山市祥丰瓦斯器材制品有限公司 | Automatic temperature-control gas safety valve |
| WO2011066733A1 (en) * | 2009-12-04 | 2011-06-09 | 中山市祥丰瓦斯器材制品有限公司 | Automatic temperature control gas safety valve |
| WO2017156650A1 (en) * | 2016-03-15 | 2017-09-21 | 李雪波 | Gas valve capable of achieving synchronous change in both outer-ring fire and inner-ring fire |
| CN107339449A (en) * | 2017-02-27 | 2017-11-10 | 宁波方太厨具有限公司 | Inner and outer ring flow gas regulating valve |
| CN109058518A (en) * | 2018-08-28 | 2018-12-21 | 宁波来特燃气具有限公司 | Electric and gas dual purpose gas valve |
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| CN109058518A (en) | 2018-12-21 |
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