Gas stove control valve device

Abstract

This invention provides a gas stove control valve device, relating to the field of gas equipment. It includes a valve body with an installation cavity and a gas outlet cavity, connected by a vent. The installation cavity contains a rotatable valve core, a flow regulating component fixed to the valve core, and a valve opening component. The flow regulating component includes an regulating disc with an adjustment zone on its outer peripheral wall that continuously varies in radial radius along the circumference. A flow switch component is slidably inserted into the gas outlet cavity, one end of which abuts against the adjustment zone. A first protruding post is provided on the side wall of the shaft core, which can disengage from and engage with the valve opening component. The advantage of this invention is that when the shaft core rotates, the flow switch component slides along the contour of the adjustment zone, changing the vent opening and achieving stepless linear adjustment of the gas flow and synchronous adjustment of multiple channels. Simultaneously, the first protruding post drives the valve opening component to open the solenoid valve, opening the gas intake channel.

Description

Technical Field

[0001] This invention relates to the field of gas equipment technology, and in particular to a gas stove control valve device. Background Technology

[0002] The gas stove control valve is a core component of the gas stove, used to control the on / off state and flow rate of gas. In existing technology, common control valves typically employ a combination of a separate plug valve and a solenoid valve. When the user rotates the knob, the valve core rotates, switching or adjusting the gas flow rate through orifices of different diameters on the valve core. Simultaneously, a mechanical structure or microswitch triggers the solenoid valve to open.

[0003] However, existing technologies have the following shortcomings: First, flow regulation largely relies on fixed-diameter orifices on the valve core, resulting in limited adjustment precision and an inability to achieve true stepless synchronous linear regulation, leading to insufficiently refined fire control. Second, the gas flow regulation mechanism and the solenoid valve opening mechanism are typically two relatively independent action chains, resulting in a complex internal structure, numerous parts, low assembly efficiency, and a high failure rate. Third, the reliability of the linkage mechanism needs improvement, especially as loosening or jamming may occur after long-term use. Therefore, developing a gas stove control valve with a more compact structure, more precise flow regulation, and more reliable linkage has significant invention value. Summary of the Invention

[0004] This invention overcomes the shortcomings of the prior art and provides a gas stove control valve device.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0006] A gas stove control valve device includes a valve body, the valve body having an installation cavity and a gas outlet cavity, and a vent being provided between the gas outlet cavity and the installation cavity;

[0007] A valve core is rotatably disposed within the mounting cavity, and the valve core includes a shaft.

[0008] A flow regulating component is disposed in the mounting cavity and fixedly connected to one end of the shaft core. The flow regulating component includes an regulating disk, and the outer peripheral wall of the regulating disk has at least one regulating area whose radial radius changes continuously along the circumferential direction.

[0009] An airflow switch component is slidably inserted into the air outlet chamber, with one end passing through the air inlet and abutting against the adjustment area, for controlling the opening and closing of the air inlet and the size of the opening;

[0010] A valve opening component is used to control the opening of a solenoid valve located in the air intake channel. The side wall of the shaft core is provided with a first protruding post, and the first protruding post and the valve opening component form a detachable snap-fit ​​engagement.

[0011] When the shaft drives the flow regulating component to rotate, the airflow switch component slides into the air outlet chamber as the radial radius of the regulating zone changes, thereby changing the opening size between the airflow switch component and the air inlet; at the same time, the first protruding post drives the valve opening component to open the solenoid valve, thereby opening the air intake channel.

[0012] Preferably, the airflow switch component includes a first rebound pin, the front end of which passes through the vent and abuts against the adjustment area;

[0013] The first rebound top column has a protruding sealing part in the middle of the air vent. The front end of the sealing part is locked to the air vent, and a first spring is provided between the rear end of the sealing part and the inner wall of the air outlet chamber.

[0014] The rear end of the first rebound pin is inserted into a groove on one side of the air outlet chamber;

[0015] An air outlet channel is also provided on one side of the air outlet chamber.

[0016] Preferably, the adjustment zone is a section whose radial radius in the circumferential direction of the adjustment disk increases continuously and smoothly from the starting end to the end.

[0017] Limiting protrusions are provided at both ends of the adjustment area.

[0018] Preferably, the inner wall of the mounting cavity is provided with a limiting post, the front end of the first rebound top column passes through the through hole of the limiting post and abuts against the adjustment area, and the limiting post and the limiting protrusion are arranged on the same circumferential trajectory.

[0019] Preferably, the sealing part is a conical structure with its tip facing the vent.

[0020] Preferably, the valve opening component includes a linkage assembly rotatably mounted in the mounting cavity, and a second rebound pin disposed at the air inlet on the air inlet channel;

[0021] One end of the second rebound pin abuts against the linkage assembly, and the other end abuts against the solenoid valve at the air inlet;

[0022] When the shaft rotates, the first protruding post drives the second rebounding top post to move through the linkage component, thereby opening the solenoid valve.

[0023] Preferably, the linkage assembly includes a rotating column parallel to one side of the shaft core, and the side wall of the rotating column is provided with a second protruding column and a third protruding column;

[0024] The second protruding post and the third protruding post are offset from each other circumferentially along the rotating post;

[0025] The second protruding post abuts against the first protruding post, and the third protruding post abuts against the second rebound top post.

[0026] Preferably, a fixing plate is provided between the rotating column and the air inlet, the second rebound top column passes through the through hole on the fixing plate and abuts against the third protruding column, and a second spring for auxiliary rebound is sleeved between the fixing plate and the top of the second rebound top column.

[0027] Preferably, a third spring is fixedly sleeved on the rotating column, and the extended portions of the third spring are fixedly abutted against the inner wall of the mounting cavity;

[0028] The outer end faces of both the second protruding post and the first protruding post are arc-shaped.

[0029] When the shaft rotates to a preset angle, the first protruding post and the second protruding post disengage, the third spring rebounds and drives the rotating post to reset, and at the same time the second spring rebounds and drives the second rebounding top post to reset.

[0030] Preferably, the shaft extends from the outside of the valve body into the mounting cavity and is fixedly connected to the flow regulating component. One end of the shaft located on the outside of the valve body is connected to a motor and its rotation is controlled by the motor.

[0031] Compared with the prior art, the beneficial effects of the present invention are:

[0032] 1. Linearly adjustable flow rate: The adjustment disc with continuously varying radial radius works in conjunction with the spring-preloaded top column to linearly convert the rotation angle into the displacement of the top column, thereby achieving stepless and linear adjustment of the vent opening, allowing users to obtain a more refined fire control experience.

[0033] 2. Highly integrated structure: The rotation of a single shaft drives both the flow regulation mechanism (directly) and the solenoid valve opening mechanism (indirectly through a linkage component), eliminating the need for additional microswitches or complex linkage rods, reducing the number of parts, lowering the requirements for part machining accuracy and assembly costs, and improving reliability.

[0034] 3. Reasonable action sequence: Through the misaligned design of the protruding column on the linkage component and the cooperation of the reset spring, a reasonable sequence of "the vent slightly opens first, and the solenoid valve opens later" or both can be achieved. It also ensures that after normal combustion is established, the mechanical opening mechanism can automatically reset and hand over the solenoid valve to the thermocouple for maintenance. The logic is clear and the safety and reliability are guaranteed.

[0035] 4. Reliable sealing and limiting: The conical sealing part provides good initial sealing performance, and the cooperation between the limiting post and the limiting protrusion avoids damage caused by over-rotation due to misoperation, thus improving the service life and safety of the product.

[0036] 5. Easy to expand with electronic control: The valve core shaft can be directly connected to the motor, providing a convenient interface for developing intelligent electronically controlled gas stoves. Attached Figure Description

[0037] The accompanying drawings are provided to further illustrate the invention and are used together with the embodiments of the invention to explain the invention. They do not constitute a limitation of the invention. In the drawings:

[0038] Figure 1 This is a schematic diagram of the first structure of the valve body described in this invention;

[0039] Figure 2 This is a schematic diagram of the second structure of the valve body described in this invention;

[0040] Figure 3 This is a schematic diagram of the third structure of the valve body described in this invention;

[0041] Figure 4 This is a first structural schematic diagram of the flow regulating component and the airflow switch component described in this invention;

[0042] Figure 5 This is a second structural schematic diagram of the flow regulating component and the airflow switch component described in this invention;

[0043] Figure 6 This is a third structural schematic diagram of the flow regulating component and the airflow switch component described in this invention;

[0044] Figure 7 This is a schematic diagram of the valve opening component described in this invention;

[0045] Figure 8 This is a schematic diagram of the initial state structure of the valve core before rotation as described in this invention;

[0046] Figure 9 This is a schematic diagram of the valve core rotation structure described in this invention;

[0047] Figure 10 This is a schematic diagram of the structure of the valve core continuing to rotate as described in this invention;

[0048] In the diagram: 1-Valve body; 2-Mounting cavity; 3-Valve core; 4-Flow regulating component; 5-Outlet chamber; 6-Air vent; 7-Airflow switch component; 8-Motor; 9-Inlet channel; 10-Outlet channel; 11-Valve opening component; 12-Linkage component; 13-Inlet; 14-Second rebound pin; 15-Solenoid valve; 16-Fixing plate; 17-Second spring; 18-Third spring;

[0049] 301 - Shaft core; 302 - First protruding post;

[0050] 401 - Adjustment disc; 402 - Adjustment area; 403 - Limiting protrusion;

[0051] 701-First rebound pin; 702-Sealing part; 703-First spring; 704-Groove; 705-Limiting post;

[0052] 1201 - Rotating column; 1202 - Second protruding column; 1203 - Third protruding column. Detailed Implementation

[0053] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0054] like Figures 1 to 10 As shown, this invention provides a gas stove control valve device. The device mainly includes a valve body 1, inside which a mounting cavity 2 and a gas outlet cavity 5 are formed through precision casting or machining. The mounting cavity 2 accommodates a valve core 3, a flow regulating component 4, and a partial valve opening component 11. The gas outlet cavity 5 is a gas flow channel, with a gas outlet passage 10 on one side (for providing combustion gas to the burner), and the other side connected to the mounting cavity 2 via a vent 6.

[0055] In this invention, the valve core 3's shaft 301 is rotatably mounted on the valve body 1 via a bearing or direct fit. Its inner end extends into the mounting cavity 2, and its outer end protrudes from the outside of the valve body 1. In this invention, the valve core 3 is connected to the output shaft of a motor 8 via a coupling to achieve precise electric angle control. Alternatively, a manual knob can be directly fixed to the outer end of the shaft 301 for manual rotation by the user.

[0056] The core of the flow regulating component 4 is an regulating disc 401, which is coaxially fixed to the inner end face of the shaft core 301 by screws or welding. Figures 4 to 6 As shown, the adjustment disk 401 is not a disk with a uniform radial radius. Its outer circumferential wall is precisely machined into an arc-shaped section whose radial radius increases continuously and smoothly in a counterclockwise direction from the starting end (e.g., at the 0° position, where the radial radius is the smallest) to the ending end (e.g., at the 90° position, where the radial radius is the largest), which is the adjustment area 402. At both ends of the adjustment area 402, i.e., on the outer side of the thinnest and thickest parts, there is a radially protruding limiting protrusion 403.

[0057] The airflow switch component 7 includes a first rebound top post 701. For example... Figure 4 and Figure 5As shown, a limiting post 705 is fixed inside the mounting cavity 2, directly opposite the adjustment area 402. The front end of the first rebounding post 701 passes through the guide hole on the limiting post 705 and abuts against the outer wall of the adjustment area 402. The rear end of the first rebounding post 701 is inserted into the groove 704 on the inner wall of the air outlet cavity 5, forming a sliding guide. In the middle of the first rebounding post 701, a conical sealing part 702 is integrally formed, with the tip of the cone facing the vent 6 on the left. A first spring 703 is sleeved on the first rebounding post 701, located between the end face of the sealing part 702 and the inner wall of the air outlet cavity 5. It always applies a pushing force to the first rebounding post 701 towards the vent 6, so that the tip of the conical sealing part 702 is tightly attached to the vent 6, closing the airflow channel at the vent 6 and keeping its front end tightly attached to the adjustment area 402.

[0058] Initial state (off): The adjusting plate 401 is at the 0° position, and the front end of the first rebound pin 701 contacts the point of minimum radial radius of the adjusting area 402. Under the thrust of the first spring 703, the conical sealing part 702 presses tightly against the vent 6, completely sealing it. At this time, gas cannot enter the gas outlet chamber 5 through the vent 6, and the gas stove is in the off state.

[0059] Opening and Linear Adjustment: When the motor 8 drives the shaft 301 to rotate (or the user manually rotates the knob), the adjustment disc 401 rotates synchronously. The front end of the first rebound pin 701 begins to contact the adjustment zone 402, whose radial radius gradually increases, and is therefore gradually pushed away from the vent 6 (i.e., towards the inside of the outlet chamber 5). The moving distance of the first rebound pin 701 is proportional to the radius increment of the adjustment zone 402, and the radius increment is linearly related to the rotation angle. As the first rebound pin 701 moves, it drives the conical sealing part 702 to move synchronously, thereby gradually increasing the annular gap between the sealing part 702 and the vent 6 linearly, that is, gradually increasing the opening area of ​​the vent 6 linearly. Therefore, by adjusting the rotation angle of the adjustment disc 401, stepless, linear, and precise control of the gas output flow rate is achieved.

[0060] Furthermore, such as Figure 1 , Figure 2 and Figure 8 As shown, an air inlet channel 9 is provided inside the valve body 1. The inlet and outlet ends of the channel are connected to the mounting cavity 2, and the outlet end is provided with an air inlet 13. A normally closed solenoid valve 15 is installed at the air inlet 13. When the valve core is not subjected to external force, it blocks the air inlet 13 under the action of an internal spring. The valve opening component 11 is used to mechanically assist in opening the solenoid valve 15 when the shaft core 301 rotates.

[0061] like Figures 7 to 10 As shown, the valve opening component 11 includes a linkage assembly 12 and a second rebound top column 14.

[0062] The linkage assembly 12 consists of a rotating column 1201 parallel to the shaft core 301. The rotating column 1201 is rotatably mounted inside the mounting cavity 2, and a torsion spring is fixedly sleeved on it as a third spring 18. The two extended ends of the third spring 18 are fixed to the inner wall of the mounting cavity 2. The preload of the torsion spring causes the rotating column 1201 to have a tendency to rotate counterclockwise to return to its original position. On the side wall of the rotating column 1201, a second protruding column 1202 and a third protruding column 1203 are circumferentially offset (see...). Figure 7 The position of the second protruding post 1202 partially overlaps with the first protruding post 302 on the shaft core 301 in axial projection, forming a detachable snap-fit ​​relationship.

[0063] The second rebound pin 14 is slidably mounted on the fixed plate 16, which is fixed inside the valve body 1 and located between the rotating pin 1201 and the air inlet 13. One end of the second rebound pin 14 passes through a through hole in the fixed plate 16 and abuts against the third protruding pin 1203; the other end abuts against the valve core end of the solenoid valve 15. The second spring 17 is sleeved on the second rebound pin 14 and located between the fixed plate 16 and the protruding edge of the pin near the end of the third protruding pin 1203. The spring always applies a pushing force to the second rebound pin 14 toward the third protruding pin 1203, causing it to tend to return to its original position.

[0064] The outer end faces of the first protrusion 302 and the second protrusion 1202 are both machined into arc shapes (such as arc surfaces or hemispherical surfaces). When the shaft core 301 rotates, point contact or line contact is formed between the two arc-shaped end faces, with relatively small sliding resistance. They can smoothly disengage after reaching a preset angle, avoiding jamming or abnormal wear.

[0065] Initial state: The shaft core 301 is in the 0° closed position, and the first protruding post 302 has not yet contacted the second protruding post 1202. Under the preload of the third spring 18, the rotating post 1201 is in the extreme position; under the thrust of the second spring 17, the second rebound post 14 is in the extreme position near the third protruding post 1203, and does not press against the valve core of the solenoid valve 15, so the solenoid valve 15 is in the closed state.

[0066] Linkage opening: When the shaft core 301 rotates (e.g., driven by the motor 8 or manually) and rotates to a small preset angle (e.g., 5°~10°), the vent 6 is slightly opened, outputting a small amount of gas. At this time, the side wall of the first protruding column 302 begins to contact and push the arc-shaped end face of the second protruding column 1202, overcoming the elastic force of the third spring 18, causing the rotating column 1201 to rotate towards the third protruding column 1203. When the rotating column 1201 rotates, the third protruding column 1203 on it rotates accordingly, thereby pushing the second rebound top column 14 to overcome the thrust of the second spring 17 and move towards the solenoid valve 15. The end of the second rebound top column 14 presses against the valve core of the solenoid valve 15, mechanically opening the solenoid valve 15 and opening the air inlet 13.

[0067] At this point, the gas flow path is complete: gas inlet 9, gas inlet 13, installation cavity 2, vent 6, gas outlet 5, gas outlet 10, burner head, and the igniter can ignite the gas normally.

[0068] Automatic Reset: When the shaft core 301 continues to rotate to a preset disengagement angle (e.g., 30°, at which point the flame is burning stably), the arc-shaped end faces of the first protrusion 302 and the second protrusion 1202 completely disengage. Afterward, even if the shaft core 301 continues to rotate to a larger angle (e.g., 90° maximum flame), since there is no longer an external force driving the rotating column 1201, the elastic force of the third spring 18 causes the rotating column 1201 to quickly reset; simultaneously, the thrust of the second spring 17 causes the second rebound pin 14 to reset towards the third protrusion 1203, releasing the pressure on the valve core of the solenoid valve 15.

[0069] Solenoid valve 15 is maintained in the following way: During normal gas stove operation, when the flame is ignited, the thermocouple is heated to generate current, which maintains the solenoid valve 15 in the engaged state. Therefore, even if the second rebound pin 14 has reset, the solenoid valve 15 remains open due to its own circuitry, ensuring a continuous gas supply. The mechanical push-opening structure of this invention only assists the solenoid valve in overcoming initial resistance and opening at the moment of ignition, and then automatically disengages, avoiding mechanical fatigue or sealing problems that may result from prolonged pressure on the solenoid valve core.

[0070] like Figure 4 , Figure 5 as well as Figures 8 to 10 As shown in the figure, this is the first embodiment of the present invention. In this embodiment, the regulating plate 401 is provided with two regulating areas 402, and correspondingly, two sets of independent air circuit components are provided.

[0071] The regulating plate 401 has two regulating zones 402 and two airflow switch components 7, two air outlet chambers 5, two air vents 6, and two air outlet channels 10 arranged opposite each other. Each regulating zone 402 has the same structural feature, that is, the radial radius increases continuously and smoothly from the starting end to the end. In this embodiment, as shown... Figure 4 and Figure 5 As shown, the radial radii of the two adjustment zones 402 are different.

[0072] Specifically, the different radial radii at the starting ends of the two adjustment zones 402 result in different initial opening angles for the two vents 6. For example... Figure 5 As shown, the initial radius of the first adjustment zone on the left is smaller, and airflow begins when the shaft 301 rotates at a small angle; the initial radius of the second adjustment zone on the right is larger, requiring rotation to a larger angle before airflow begins, thus achieving sequential opening. The different rates of change of the radii of the two adjustment zones 402 with the angle result in different rates of change of the opening areas of the two air ports 6 with the rotation angle. The larger rate of change of the radius of the first adjustment zone on the left corresponds to a faster increase in airflow in the corresponding air path; the smaller rate of change of the radius of the second adjustment zone on the right corresponds to a more gradual increase in airflow in the corresponding air path, achieving different adjustment sensitivities.

[0073] One end of each airflow switch component 7 abuts against the corresponding adjustment zone 402, and the other end controls the opening and closing of the corresponding air vent 6. The two air circuits are isolated from each other and do not interfere with each other.

[0074] In this implementation case, the maximum radial radii at the ends of the two adjustment zones 402 are different, resulting in different maximum opening areas of the two vents 6, thus achieving different maximum firepower.

[0075] In the closed state: the shaft core 301 is at 0°, the minimum radial radius of the two adjustment zones 402 respectively abuts against the corresponding first rebound top column 701, the conical sealing part 702 closes the corresponding vent 6, and there is no gas output.

[0076] Ignition process: Motor 8 drives shaft 301 to rotate.

[0077] At 0°→approximately 5°: the first adjustment zone (with a smaller initial radius) begins to push the corresponding first rebound top column 701 backward, the first vent 6 opens, and a small amount of gas is output.

[0078] At approximately 5°→30°: the second adjustment zone (with a larger initial radius) begins to push the corresponding first rebound top column 701 backward, the second vent 6 opens, and both vents 6 output gas simultaneously. At the same time, the first protruding column 302 pushes the second protruding column 1202, which opens the solenoid valve 15 through the linkage component 12, and the gas flow path is fully connected. The igniter works and ignites the gas.

[0079] As the shaft core 301 continues to rotate, due to the different rates of change of the radii of the two adjustment zones 402, the flow rates of the two airflows increase at different rates, achieving differentiated adjustment.

[0080] Normal combustion and flame adjustment: After the flame stabilizes, the thermocouple generates current to keep the solenoid valve 15 continuously engaged. The shaft 301 continues to rotate (30°→90°), the first protruding post 302 and the second protruding post 1202 have disengaged, and the second rebound post 14 returns to its original position, but the solenoid valve 15 remains open due to the circuit. At the same time, the radial radius of the adjusting disc 401 continuously increases from the initial value to the maximum value, driving the first rebound post 701 to retract linearly, so that the opening area of ​​the vent 6 gradually increases from the minimum flame opening to the maximum flame opening, achieving stepless, linear, and precise adjustment from the minimum flame to the maximum flame.

[0081] Flameout shutdown: Motor 8 drives shaft 301 to rotate back to the 0° position. The first rebound pin 701 moves to one side of shaft 301 under the thrust of the first spring 703, and the conical seal 702 re-adheres to and seals the vent 6, cutting off the gas supply. Solenoid valve 15 automatically closes due to loss of thermocouple current. The entire device returns to the off state.

[0082] In this implementation case, the gas flow path is complete:

[0083] The air inlet 13 is located at the output end of the air intake channel 9, and the normally closed solenoid valve 15 is installed here. When the solenoid valve 15 is mechanically opened (or maintained open by thermocouple current), the air inlet 13 is opened, and the gas flows from the air intake channel 9 into the installation cavity 2 through the air inlet 13.

[0084] Subsequently, after the gas enters the mounting cavity 2, its flow path is controlled by the flow regulating component 4. The shaft core 301 drives the regulating disc 401 to rotate, and the radial radius of the regulating zone 402 gradually increases, pushing the first rebound pin 701 to slide away from the vent 6. The conical sealing part 702 at the front end of the first rebound pin 701 then leaves the vent 6, causing the vent 6 to gradually open. The gas enters the outlet cavity 5 from the mounting cavity 2 through the vent 6, then flows out of the valve body through the outlet channel 10 on one side of the outlet cavity 5, and is finally delivered to the burner head.

[0085] During this process, the opening of the vent 6 is linearly related to the rotation angle of the regulating disc 401: the smaller the rotation angle, the smaller the opening of the vent 6 and the smaller the gas flow; the larger the rotation angle, the larger the opening of the vent 6 and the larger the gas flow, thus achieving stepless linear adjustment from smoldering to high flame.

[0086] Simultaneously, the first protruding post 302 on the side wall of the shaft core 301 is linked with the valve opening component 11 during rotation. When the shaft core 301 rotates to a preset small angle (e.g., 5° to 10°), the first protruding post 302 pushes the second protruding post 1202 in the linkage assembly 12, causing the rotating post 1201 to rotate, which in turn pushes the second rebound top post 14 through the third protruding post 1203, opening the valve core of the solenoid valve 15 and completing the gas supply preparation before ignition. After the flame is stably burning, the current generated by the thermocouple keeps the solenoid valve 15 continuously engaged. At this time, the shaft core 301 continues to rotate to a larger angle (e.g., above 30°), the first protruding post 302 and the second protruding post 1202 disengage, the second rebound top post 14 resets under the action of the second spring 17, and the solenoid valve 15 remains open by its own circuit, ensuring a continuous and stable gas supply.

[0087] When it is necessary to shut off the flame, the shaft core 301 rotates back to its initial position, the radial radius of the adjustment area 402 of the adjustment disc 401 decreases, the first rebound pin 701 resets under the action of the first spring 703, and the conical seal 702 re-closes the vent 6, cutting off the gas flow. The solenoid valve 15 automatically closes due to the loss of thermocouple current, and the entire device returns to the closed state.

[0088] In addition, at least three adjustment zones 402 (e.g., three, four or more, the specific number depending on the number of independent air passages to be controlled) can be provided on the outer peripheral wall of the adjustment plate 401 along the circumferential direction, and multiple independent air passage assemblies can be provided in the valve body 1 accordingly.

[0089] When the contour curves of all adjustment zones 402 are exactly the same, during the rotation of the shaft core 301, multiple airflow switch components 7 are pushed synchronously, and the opening areas of multiple vents 6 increase or decrease synchronously, achieving synchronous linear regulation of multiple gas streams. This mode is suitable for scenarios that require simultaneous control of multiple identical loads.

[0090] By setting the starting angle of each regulating zone 402 to different angles, the sequential opening of multiple gas paths can be achieved. For example: the starting end of the first regulating zone 402 is at 0°, corresponding to the first gas path; the starting end of the second regulating zone 402 is at 30°, corresponding to the second gas path; and the starting end of the third regulating zone 402 is at 60°, corresponding to the third gas path.

[0091] As the shaft 301 rotates gradually from 0°, the first gas path opens first; after rotating to 30°, the second gas path opens; and after rotating to 60°, the third gas path opens. Conversely, when rotating in the opposite direction, the gas paths close in the reverse order. This mode is suitable for scenarios requiring staged gas output (such as multi-level firepower control or sequential ignition of different burners).

[0092] When the various adjustment zones 402 are discontinuously distributed in the circumferential direction and there are blank sections without adjustment zones between them, one or more air paths can be selectively opened by rotating the shaft core 301 to a specific angle range, while the other air paths remain closed. This mode is similar to a multi-position selector switch and is suitable for scenarios that require independent control of multiple output ports.

[0093] For multi-channel control scenarios, the configuration of solenoid valve 15 can adopt one of the following options:

[0094] Option 1 (Shared Master Solenoid Valve): Only one valve opening component 11 is installed to control one master solenoid valve 15. All gas lines share this master solenoid valve, and all gas lines are opened simultaneously during ignition. The flow rate is independently controlled by the airflow switching component 7 of each gas line.

[0095] Option 2 (Independent Solenoid Valve): Multiple independent valve opening components 11 (including linkage components 12 and second rebound pins 14) are set up to control the independent solenoid valves 15 at each air inlet 13. Multiple first protruding pins 302 can be set on the shaft core 301, which cooperate with the corresponding linkage components 12 to realize multi-channel independent ignition control.

[0096] Option 3 (Hybrid Configuration): Some air circuits share a solenoid valve, while others are controlled independently, allowing for flexible configuration based on actual needs.

[0097] This invention integrates linear flow regulation with the linkage opening of solenoid valve 15 into one unit, resulting in a compact structure, precise regulation, high reliability, and expandability to multiple independent control channels.

[0098] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A gas stove control valve device, characterized in that: Includes a valve body (1), the valve body (1) is provided with an installation cavity (2) and an air outlet cavity (5), and an air vent (6) is provided between the air outlet cavity (5) and the installation cavity (2); The valve core (3) is rotatably disposed in the mounting cavity (2), and the valve core (3) includes a shaft core (301). A flow regulating component (4) is disposed in the mounting cavity (2) and fixedly connected to one end of the shaft core (301). The flow regulating component (4) includes an regulating disk (401). The outer peripheral wall of the regulating disk (401) is provided with at least one regulating area (402) whose radial radius changes continuously along the circumferential direction. An airflow switch component (7) is slidably inserted into the air outlet chamber (5), with one end passing through the air inlet (6) and abutting against the adjustment area (402), for controlling the opening and closing of the air inlet (6) and the size of the opening; The valve opening component (11) is used to control the opening of the solenoid valve (15) located in the air intake channel (9). The side wall of the shaft core (301) is provided with a first protruding post (302). The first protruding post (302) and the valve opening component (11) form a detachable snap-fit ​​engagement. When the shaft (301) drives the flow regulating member (4) to rotate, the airflow switch member (7) slides into the air outlet chamber (5) as the radial radius of the regulating area (402) changes, so as to change the size of the opening between the airflow switch member (7) and the air inlet (6), thereby conducting the gas; at the same time, the first protruding column (302) drives the valve opening member (11) to operate, so as to open the solenoid valve (15), thereby conducting the air intake channel (9).

2. The gas stove control valve device according to claim 1, characterized in that: The airflow switch component (7) includes a first rebound top post (701), the front end of which passes through the air vent (6) and abuts against the adjustment area (402); The first rebound top post (701) has a raised sealing part (702) at the vent (6) in the middle. The front end of the sealing part (702) is stuck to the vent (6), and a first spring (703) is provided between the rear end of the sealing part (702) and the inner wall of the air outlet (5). The rear end of the first rebound pin (701) is inserted into the groove (704) on one side of the air outlet chamber (5); An air outlet channel (10) is also provided on one side of the air outlet chamber (5).

3. The gas stove control valve device according to claim 2, characterized in that: The adjustment zone (402) is the section of the adjustment disk (401) whose radial radius increases smoothly and continuously from the starting end to the end in the circumferential direction; Both ends of the adjustment area (402) are provided with limiting protrusions (403).

4. A gas stove control valve device according to claim 3, characterized in that: The inner wall of the installation cavity (2) is provided with a limiting post (705). The front end of the first rebound top post (701) passes through the through hole of the limiting post (705) and abuts against the adjustment area (402). The limiting post (705) and the limiting protrusion (403) are located on the same circumferential trajectory.

5. A gas stove control valve device according to claim 4, characterized in that: The sealing part (702) is a conical structure with its tip facing the vent (6).

6. A gas stove control valve device according to claim 1, characterized in that: The valve opening component (11) includes a linkage assembly (12) rotatably installed in the mounting cavity (2), and a second rebound top column (14) located at the air inlet (13) provided on the air inlet channel (9). One end of the second rebound top post (14) abuts against the linkage assembly (12), and the other end abuts against the solenoid valve (15) at the air inlet (13); When the shaft (301) rotates, the first protruding post (302) drives the second rebound top post (14) to move through the linkage assembly (12), thereby opening the solenoid valve (15).

7. A gas stove control valve device according to claim 6, characterized in that: The linkage component (12) includes a rotating column (1201) arranged parallel to one side of the shaft core (301), and the side wall of the rotating column (1201) is provided with a second protruding column (1202) and a third protruding column (1203). The second protruding post (1202) and the third protruding post (1203) are offset from each other circumferentially along the rotating post (1201); The second protruding post (1202) abuts against the first protruding post (302), and the third protruding post (1203) abuts against the second rebound top post (14).

8. A gas stove control valve device according to claim 7, characterized in that: A fixing plate (16) is provided between the rotating column (1201) and the air inlet (13). The second rebound top column (14) passes through the through hole on the fixing plate (16) and abuts against the third protruding column (1203). A second spring (17) for auxiliary rebound is sleeved between the fixing plate (16) and the top of the second rebound top column (14).

9. A gas stove control valve device according to claim 8, characterized in that: A third spring (18) is fixedly sleeved on the rotating column (1201), and the two ends of the extended portion of the third spring (18) are fixedly abutted against the inner wall of the mounting cavity (2). The outer end faces of the second protruding post (1202) and the first protruding post (302) are both arc-shaped; When the shaft core (301) rotates to a preset angle, the first protruding post (302) and the second protruding post (1202) disengage, the third spring (18) rebounds and drives the rotating post (1201) to reset, and at the same time the second spring (17) rebounds and drives the second rebound top post (14) to reset.

10. A gas stove control valve device according to claim 1, characterized in that: The shaft (301) passes through the outside of the valve body (1) into the mounting cavity (2) and is fixedly connected to the flow regulating component (4). One end of the shaft (301) located on the outside of the valve body (1) is connected to the motor (8) and is controlled to rotate by the motor (8).

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