Magnetic control valve for energy-saving stove and energy-saving stove
By using permanent magnets to drive the fuel inlet and outlet to be connected or disconnected, the stove fuel switch is directly controlled, which solves the problem of requiring an electrical control system in the existing technology and reduces the cost of stoves in the catering industry.
Patent Information
- Application Number
- CN202422927411.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing magnetically controlled anti-air burning switch requires a matching electrical control system, which leads to an increase in the overall cost of stoves in the catering industry.
By adopting movable permanent magnets, the fuel inlet and outlet are connected or disconnected by magnetic force, so as to directly realize the fuel switch control of the stove and eliminate the need for an electrical control system.
It reduces the overall cost of stoves in the catering industry and simplifies the control structure.
Smart Images

Figure CN223447801U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of range switch control valve for catering industry, concretely relates to magnetic control valve for energy-saving range and energy-saving range. BACKGROUND
[0002] The national utility model patent with the application number 202221077556.7 discloses a magnetic control anti-empty burning switch and an energy-saving range using the same, wherein the magnetic control anti-empty burning switch is provided with a magnetic control switch, which is composed of a permanent magnet arranged on a driving plate of a micro switch and is fixedly arranged in an inner cavity of an anti-empty burning switch housing to form the magnetic control anti-empty burning switch. When the magnetic control anti-empty burning switch is used, it realizes the on-off control of an electric signal, and therefore a matching electrical control system is needed to realize the on-off control of a fuel valve, so as to realize the on-off control of the fuel of the range, thereby increasing the overall cost of the range for the catering industry. SUMMARY
[0003] In order to overcome the defects in the background art, the utility model discloses a magnetic control valve for energy-saving range and energy-saving range, wherein a magnet is movably arranged in the magnetic control valve, the magnetic force of the ferromagnetic object when it approaches the magnet is used to drive the magnetic control valve to act, and the on-off control of the fuel of the range is directly realized, thereby eliminating the need for the matching electrical control system in the past and reducing the overall cost of the range for the catering industry.
[0004] In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a magnetic control valve for energy-saving range and energy-saving range, comprising a valve body and a permanent magnet, wherein the valve body is made of a non-magnetic material; the valve body is provided with a fuel inlet, a fuel outlet and an on-off control cavity, and the permanent magnet is movably arranged in or outside the on-off control cavity; when a magnetic material approaches or leaves the upper part of the on-off control cavity of the valve body, the permanent magnet is attracted by the magnetic material to move, so that the fuel inlet and the fuel outlet are connected or shut off, thereby realizing the on-off control of the magnetic control valve.
[0005] Further, an end head is further included; the end head is fixedly arranged at the outer end of the on-off control cavity to prevent the permanent magnet of the magnetic control valve for energy-saving range from falling off from the on-off control cavity during transportation.
[0006] Preferably, a valve core made of a ferromagnetic material is further included; the valve core is provided with a valve plate or a sealing gasket at one end, and the permanent magnet is attached to the other end of the valve core; the valve core is movably arranged in the on-off control cavity, and the permanent magnet is arranged at the side of the end head.
[0007] Further, the end surface of the permanent magnet or the valve plate is fixedly provided with an elastic sealing gasket.
[0008] Further, a heat insulation sleeve is further included; the heat insulation sleeve is fixedly arranged outside the permanent magnet.
[0009] Further, the outer surface of the permanent magnet is coated with a heat insulation coating.
[0010] Further, the valve rod guide sleeve is sleeved on the outer circular part of the valve core.
[0011] Further, the reset spring is further included.
[0012] An energy-saving stove is provided with the energy-saving stove magnetic control valve.
[0013] Due to the technical scheme, the energy-saving stove magnetic control valve and the energy-saving stove have the following beneficial effects: the energy-saving stove magnetic control valve and the energy-saving stove include a valve body made of a non-magnetic material and a permanent magnet; the valve body is provided with a fuel inlet, a fuel outlet and a switch control cavity, and the permanent magnet is movably arranged in the switch control cavity; when the magnetic material approaches or leaves the upper part of the switch control cavity of the valve body, the magnetic force between the magnetic material and the permanent magnet drives the permanent magnet to move in the switch control cavity, so that the fuel inlet and the fuel outlet are connected or cut off, and the switch control of the magnetic control valve is realized; compared with the previous magnetic control anti-burnout switch, the energy-saving stove magnetic control valve and the energy-saving stove can directly realize the switch control of the fuel of the stove in the catering industry, and the electrical control system that needs to be matched can be omitted, so the overall cost of the stove in the catering industry is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is an appearance schematic view of the magnetic control valve of the first embodiment.
[0015] Figure 2 It is an exploded view schematic view of the magnetic control valve of the first embodiment.
[0016] Figure 3 It is a cross-sectional structure schematic view of the valve body of the first embodiment.
[0017] Figure 4 It is a cross-sectional structure schematic view of the magnetic control valve of the first embodiment.
[0018] Figure 5 It is an installation structure schematic view of the magnetic control valve of the first embodiment in the anti-burnout switch shell.
[0019] Figure 6 It is a cross-sectional view of the installation structure of the magnetic control valve of the first embodiment in the anti-burnout switch shell.
[0020] Figure 7 It is an appearance schematic view of the magnetic control valve of the second embodiment.
[0021] Figure 8 It is an exploded view schematic view of the magnetic control valve of the second embodiment.
[0022] Figure 9 It is a cross-sectional structure schematic view of the valve body of the second embodiment.
[0023] Figure 10Figure 6 is a cross-sectional view of the installation structure of the magnetic control valve of Example 2 in the anti-emptying burner switch housing;
[0024] Figure 11 Figure 7 is a cross-sectional view of the valve body of Example 3;
[0025] Figure 12 Figure 8 is a cross-sectional view of the installation structure of the magnetic control valve of Example 3 in the stove back;
[0026] Figure 13 Figure 9 is a view of the installation position of the magnetic control valve of Example 3 in the stove back;
[0027] Figure 14 Figure 10 is a view of the appearance of the magnetic control valve of Example 4;
[0028] Figure 15 Figure 11 is an exploded view of the structure of the magnetic control valve of Example 4;
[0029] Figure 16 Figure 12 is a cross-sectional view of the valve body of Example 4;
[0030] Figure 17 Figure 13 is a cross-sectional view of the installation structure of the magnetic control valve of Example 4 in the stove back;
[0031] Figure 18 Figure 14 is a view of the appearance of the valve body of Example 5;
[0032] Figure 19 Figure 15 is a cross-sectional view of the installation structure of the magnetic control valve of Example 5 in the stove back;
[0033] Figure 20 Figure 16 is a view of the appearance of the magnetic control valve of Example 6;
[0034] Figure 21 Figure 17 is an exploded view of the structure of the magnetic control valve of Example 6;
[0035] Figure 22 Figure 18 is a cross-sectional view of the valve body of Example 6;
[0036] Figure 23 Figure 19 is a cross-sectional view of the installation structure of the magnetic control valve of Example 6 in the stove back;
[0037] Figure 24 Figure 20 is an exploded view of the structure of the magnetic control valve of Example 7;
[0038] Figure 25 Figure 21 is a cross-sectional view of the installation structure of the magnetic control valve of Example 7 in the stove back;
[0039] Figure 26 Figure 22 is a view of the appearance of the magnetic control valve of Example 8;
[0040] Figure 27The exploded schematic view of the magnetic valve structure of example eight;
[0041] Figure 28 The cross-sectional schematic view of the magnetic valve and stove installation structure of example eight.
[0042] In the figure: 1, valve body; 1.1, fuel inlet; 1.2, fuel outlet; 1.3, switch control cavity; 1.4, valve hole A; 1.5, valve hole B; 1.6, connecting flange; 2, end head; 3, permanent magnet; 3.1, permanent magnet A; 3.2, permanent magnet B; 4, valve core; 4.1, valve rod; 4.2, valve plate; 4.3, gasket; 5, heat insulation sleeve; 6, return spring; 7, valve rod guide sleeve; 8, anti-idling switch housing; 8.1, switch sliding plate; 9, energy-saving stove; 9.1, stove support. DETAILED DESCRIPTION
[0043] The utility model can be explained in detail by the following examples, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model.
[0044] Example one, refer to the attached Figures 1-6 :
[0045] Refer to the attached Figure 1 , 2 : A magnetic valve for energy-saving stove, comprising a valve body 1 and a permanent magnet 3; wherein the valve body 1 is made of aluminum alloy material and is formed by die-casting; the permanent magnet 3 is short cylindrical; refer to the attached Figure 3 : The valve body 1 is provided with a fuel inlet 1.1, a fuel outlet 1.2 and a switch control cavity 1.3, the fuel inlet 1.1 and the switch control cavity 1.3 are communicated through a valve hole A 1.4, and the switch control cavity 1.3 and the fuel outlet 1.2 are communicated through a valve hole B 1.5; the switch control cavity 1.3 is provided with a connecting flange 1.6 on the top, and the connecting flange 1.6 is uniformly provided with connecting holes; refer to the attached Figure 4 : The permanent magnet 3 is movably arranged in the switch control cavity 1.3.
[0046] Refer to the attached Figure 5 : When the magnetic valve of the example is used, it is fixedly arranged in the anti-idling switch housing 8 through the connecting flange 1.6, and a sealing ring or sealing glue is arranged between the connecting flange 1.6 and the upper wall plate of the anti-idling switch housing 8 for sealing; the anti-idling switch housing 8 is slidably provided with a switch sliding plate 8.1; the fuel inlet 1.1 and the fuel outlet 1.2 are respectively connected with fuel pipelines and are controlled to be opened or turned off through the switch sliding plate 8.1 movably arranged on the anti-idling switch housing 8; refer to the attached Figure 6When the switch sliding plate 8.1 is away from the magnetic valve, the permanent magnet 3 naturally falls under the action of gravity to block the valve hole B1.5, and the fuel inlet 1.1 and the fuel outlet 1.2 are in an off state, and the magnetic valve is off; when the switch sliding plate moves above the magnetic valve, a magnetic force is generated between the permanent magnet 3 and the switch sliding plate, the permanent magnet 3 moves upward under the action of the magnetic force, the valve hole B1.5 is opened, the fuel inlet 1.1 and the fuel outlet 1.2 are connected through the valve hole A1.4 and the valve hole B1.5, and the magnetic valve is opened.
[0047] Example two, see the description of the accompanying drawings Figures 7-10 :
[0048] See the description of the accompanying drawings Figure 7 、 8 : In this embodiment, the magnetic valve further comprises a tip 2; the tip 2 is made of phenolic resin and is formed by mold injection, the tip 2 is fixedly arranged on the upper end of the switch control cavity 1.3 through threads, and the permanent magnet 3 is movably arranged outside the switch control cavity 1.3 to prevent the permanent magnet 3 from falling off during transportation of the magnetic valve; see the description of the accompanying drawings Figure 9 、 10 , in this embodiment, the top of the switch control cavity 1.3 does not need to be provided with the connecting flange 1.6 any more, the connecting flange can be arranged on the tip 2 (not shown in the figure), the magnetic valve is fixedly arranged inside the anti-burnout switch shell 8 through the connecting flange on the tip 2, or the magnetic valve is fixedly arranged inside the anti-burnout switch shell 8 through adhesion of the tip 2; further, to ensure that the magnetic valve can also work normally in an inclined state, a reset spring 6 made of non-magnetic stainless steel is arranged on the upper part of the permanent magnet 3 (not shown in the figure), the reset spring 6 is arranged in abutment between the permanent magnet 3 and the tip 2, when the switch sliding plate is away from the tip 2, the permanent magnet 3 can be reliably reset under the action of the reset spring 6, to ensure that the magnetic valve can be reliably turned off; further, to ensure the sealing property of the magnetic valve in the off state, an elastic sealing gasket can also be arranged on the lower surface of the permanent magnet 3 (not shown in the figure); the tip 2 made of phenolic resin has good heat insulation property, to prevent heat on the anti-burnout switch shell 8 from being quickly transmitted to the magnetic valve, in addition, when fuel flows through the valve body 1 in the opened state of the magnetic valve, the heat of the valve body 1 and the permanent magnet 3 can be taken away, to cool the magnetic valve and prevent the permanent magnet 3 from demagnetizing due to long-term high-temperature environment.
[0049] Example three, see the description of the accompanying drawings Figure 11 、 12 , 13:
[0050] In this embodiment, the magnetic control valve includes a valve body 1, an end head 2, a permanent magnet 3, and an insulating sleeve 5; wherein the valve body 1 and the end head 2 are both made of aluminum alloy, and the end head 2 can also be provided with a connecting flange, and the insulating sleeve 5 is made of high-hardness silicone; the valve hole A1.4 of the valve body 1 needs to be drilled after the valve body 1 is die-casted, and a rib is provided on the lower side of the fuel outlet 1.2 to limit the downward movement of the permanent magnet 3; the permanent magnet 3 includes a slender columnar permanent magnet A3.1 and a thick circular plate-shaped permanent magnet B3.2; this embodiment When assembling the magnetic control valve, first insert the permanent magnet A3.1 from the switch control cavity 1.3, pass through the valve hole B1.5 to the cavity of the fuel outlet 1.2, and then send the permanent magnet B3.2 from the fuel outlet 1.2 to the lower end of the permanent magnet A3.1. The permanent magnet A3.1 and the permanent magnet B3.2 are automatically aligned and fixedly connected by magnetic force; the thermal insulation sleeve 5 is set in the switch control cavity 1.3 and is sleeved on the upper part of the permanent magnet A3.1. Finally, the end head 2 is fixed to the upper end of the switch control cavity 1.3 by screw threads.
[0051] See the instructions attached Figure 13 When the magnetic control valve of this embodiment is used, the magnetic control valve is fixedly arranged in the stove side 9.1 of the energy-saving stove 9 by bonding, or the flange of the end head 2, or the magnetic control valve fixing bracket; when there is no cooking pot on the stove side 9.1, the permanent magnet 3 naturally descends under the action of gravity to open the valve hole B1.5, and the fuel inlet 1.1 and the fuel outlet 1.2 are in a connected state, and the magnetic control valve is opened; when a cooking pot is placed on the stove side 9.1, a magnetic force is generated between the permanent magnet 3 and the cooking pot, and the permanent magnet 3 moves upward under the action of the magnetic force, closing the valve hole B1.5, and the fuel inlet 1.1 is in a connected state. .1 is shut off from the fuel outlet 1.2, and the magnetic control valve is closed; in this embodiment, since the stove side 9.1 is in direct contact with the frying pan, high temperature is easily transmitted to the permanent magnet 3 through the metal stove side 9.1 and the aluminum alloy end 2, so a heat insulation sleeve 5 is provided on the outside of the permanent magnet 3 to prevent the permanent magnet 3 from being affected by high temperature for a long time and causing demagnetization; when the magnetic control valve is in the open state, when the fuel flows through the valve body 1, it can take away the heat of the valve body 1 and the permanent magnet 3, cool the magnetic control valve, and prevent the permanent magnet 3 from being in a high temperature environment for a long time and causing demagnetization.
[0052] Example 4, see the attached Figures 14-17 :
[0053] In this embodiment, the valve body 1, the end head 2, the permanent magnet 3, the valve core 4, the heat insulating sleeve 5, and the return spring 6 are included; the valve body 1 is made of zinc alloy, the end head 2 is made of phenolic resin; the heat insulating sleeve 5 is made of hard silicone; the valve core 4 is made of ferromagnetic material; the valve core 4 includes a valve stem 4.1 and a valve plate 4.2 provided at the lower end of the valve stem 4.1; see the attached manual for details. Figure 17Valve core 4 is arranged in switch control cavity 1.3, reset spring 6 is sleeved on valve rod 4.1, heat insulation sleeve 5 is arranged in switch control cavity 1.3, and is sleeved on the outside of valve rod 4.1 and permanent magnet 3, is positioned by the stepped surface in switch control cavity 1.3, permanent magnet 3 is fixedly arranged on the upper end of valve rod 4.1 by magnetic force, and end head 2 is fixedly arranged on the upper end of switch control cavity 1.3 by screwing.
[0054] When the magnetic control valve of the embodiment is used, the magnetic control valve is fixedly arranged in the anti-empty burning switch shell 8 through bonding, or the flange of the end head 2, or the magnetic control valve fixing support, and the opening or closing of the magnetic control valve is controlled through the switch sliding plate 8.1 movably arranged on the anti-empty burning switch shell.
[0055] Embodiment five, see the description attached Figure 18 、 19 :
[0056] In the embodiment, the magnetic control valve comprises a valve body 1, an end head 2, a permanent magnet 3, a valve core 4, a heat insulation sleeve 5 and a valve rod guide sleeve 7, the valve body 1 and the end head 2 are made of aluminum alloy, the valve core 4 is made of ferromagnetic material, the heat insulation sleeve 5 and the valve rod guide sleeve 7 are made of Teflon material, and the end head 2 is provided with a ball head; the valve core 4 is provided with a T-shaped head at the lower end, and a sealing gasket 4.3 is fixedly arranged on the T-shaped head (the sealing gasket 4.3 is provided with a stepped hole in the middle); during assembly, the valve rod guide sleeve 7 is arranged in the switch control cavity 1.3 and is positioned by the stepped surface in the switch control cavity 1.3; the sealing gasket 4.3 is arranged in the cavity of the fuel outlet 1.2 by using an assembly tool and faces the valve hole B1.5; the T-shaped head at the lower end of the valve core 4 passes through the through hole of the guide sleeve 7 and the valve hole B1.5 in sequence and extends into the cavity of the fuel outlet 1.2, and then the T-shaped head is inserted into the stepped hole of the sealing gasket 4.3 by applying pressure; the permanent magnet 3 is fixedly arranged on the upper end of the valve core 4 by magnetic force, the heat insulation sleeve 5 is arranged outside the permanent magnet 3, and the end head 2 is fixedly arranged on the upper end of the switch control cavity 1.3 by screwing; in the embodiment, the diameter of the permanent magnet 3 is greater than the diameter of the valve core 4, and the permanent magnet 3 is blocked by the valve rod guide sleeve 7 when moving downward, so that the maximum stroke of the valve core 4 moving downward is limited, and therefore a convex rib is not needed to be arranged on the lower side of the fuel outlet 1.2.
[0057] When the magnetic control valve of the embodiment is used, the valve body 1 is arranged in the stove help 9.1, the end head 2 is arranged outside the upper end of the stove help 9.1, the valve body 1 and the end head 2 are fixedly connected with the stove help 9.1 by screwing, and the end head 2 is used as a pot supporting head; when a frying pan is placed on the pot supporting head, the magnetic control valve is closed, and when the frying pan is removed from the pot supporting head, the magnetic control valve is opened.
[0058] Embodiment six, see the description attached Figures 20-23 :
[0059] In this embodiment, the magnetic valve comprises a valve body 1, an end head 2, a permanent magnet 3, and a valve core 4. The valve body 1 and the end head 2 are made of aluminum alloy material, the valve core 4 is made of ferromagnetic material, and the outer surface of the permanent magnet 3 is coated with heat insulation material. The heat insulation material has good heat insulation performance, preventing the heat of the end head 2 from being transferred to the permanent magnet 3. Compared with the structure of the valve body 1 in the foregoing embodiment, the fuel inlet 1.1, the fuel outlet 1.2, and the switch control cavity 1.3 of the valve body 1 are arranged at different positions, and the fuel inlet 1.1, the fuel outlet 1.2, and the switch control cavity 1.3 are directly communicated. The valve core 4 comprises a valve rod 4.1 and a valve plate 4.2 arranged at the lower end of the valve rod 4.1 (the valve rod 4.1 and the valve plate 4.2 are in an integral structure). The valve rod 4.1 is inserted from the fuel outlet 1.2 and extends to the outer end of the switch control cavity 1.3. The permanent magnet 3 is fixedly arranged at the upper end of the valve rod 4.1 by magnetic force. The end head 2 is fixedly arranged at the upper end of the switch control cavity 1.3 by screwing. The end head 2 is provided with a spherical pot head or a connecting flange. Further, in order to improve the sealing performance of the magnetic valve after being turned off, an elastic sealing gasket can also be arranged at the upper part of the valve plate 4.2.
[0060] In use of the magnetic valve in this embodiment, the valve body 1 is arranged in the stove help 9.1. The end head 2 provided with the spherical pot head is arranged outside the upper end of the stove help 9.1. The valve body 1 and the end head 2 are fixedly connected with the stove help 9.1 by screwing. The magnetic valve in this embodiment controls the turning off or turning on of the magnetic valve by placing or removing the frying pot on the upper part of the end head 2.
[0061] Embodiment seven, refer to the stove help 9.1 in the attached drawings of the specification Figure 24 、 25 :
[0062] Compared with embodiment six, the valve core 4 in this embodiment comprises a valve rod 4.1 and a sealing gasket 4.3 fixedly arranged at the lower end of the valve rod 4.1. The sealing gasket 4.3 is made of rubber material.
[0063] Embodiment eight, refer to the stove help 9.1 in the attached drawings of the specification Figure 26 、 27 , 28:
[0064] The end head 2 in this embodiment is made of aluminum alloy material and is provided with a connecting flange at the upper end. In use of the magnetic valve in this embodiment, the magnetic valve is fixedly arranged in the stove help 9.1 of the energy-saving stove 9 through the connecting flange of the end head 2. The magnetic valve controls the turning off or turning on of the magnetic valve by placing or removing the frying pot on the upper part of the end head 2. In addition, in this embodiment, since the stove help 9.1 directly contacts the frying pot, the high temperature is easily transferred to the permanent magnet 3 through the stove help 9.1 made of metal material and the end head 2 made of aluminum alloy material. Therefore, a heat insulation sleeve 5 is arranged outside the permanent magnet 3, avoiding the demagnetization phenomenon of the permanent magnet 3 caused by long-term high temperature. In the open state of the magnetic valve, the fuel flowing through the valve body 1 can take away the heat of the valve body 1 and the permanent magnet 3, thereby cooling the magnetic valve and preventing the demagnetization phenomenon of the permanent magnet 3 caused by long-term high temperature.
[0065] An energy-saving stove is provided with the energy-saving stove magnetic control valve of any one of the above embodiments.
[0066] Those skilled in the art should understand that those skilled in the art can realize the variations in combination with the prior art and the above embodiments, and such variations do not affect the essential content of the scheme, and will not be described here.
[0067] It should be understood that the present scheme is not limited to the above specific embodiments, and the devices and structures not fully described should be understood as being implemented in the ordinary way in the art; any person skilled in the art can make many possible changes and modifications to the present technical scheme by using the above disclosed methods and technical contents, or modify it as equivalent embodiments of equivalent changes, without departing from the scope of the present technical scheme, which does not affect the essential content of the present scheme. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present scheme, without departing from the content of the present technical scheme, still belongs to the protection scope of the present technical scheme.
[0068] The part not described in detail of the utility model is the prior art.
Claims
1. A magnetic control valve for energy-saving stoves, characterized by: The invention comprises a valve body (1) and a permanent magnet (3), wherein the valve body (1) is made of non-magnetic material; the valve body (1) is provided with a fuel inlet (1.1), a fuel outlet (1.2), and a switch control cavity (1.3); the permanent magnet (3) is movably arranged in or outside the switch control cavity (1.3); when the magnetic material approaches or leaves the upper part of the switch control cavity (1.3) of the valve body (1), the permanent magnet (3) is attracted by the magnetic material and moves, so that the fuel inlet (1.1) and the fuel outlet (1.2) are connected or disconnected, thereby realizing the switch control of the magnetic control valve.
2. The magnetic control valve for energy-saving stoves according to claim 1 is characterized in that: It also includes an end head (2); the end head (2) is fixedly arranged at the outer end of the switch control cavity (1.3).
3. The magnetic control valve for energy-saving stoves according to claim 2, characterized in that: The valve core (4) is made of ferromagnetic material; a valve plate (4.2) or a sealing gasket (4.3) is provided at one end of the valve core (4); a permanent magnet (3) is adsorbed on the other end of the valve core (4); the valve core (4) is movably arranged in the switch control cavity (1.3), and the permanent magnet (3) is arranged near the end head (2).
4. The magnetic control valve for energy-saving stoves according to claim 2 or 3, characterized in that: An elastic sealing gasket is fixedly provided on the end surface of the permanent magnet (3) or the valve plate (4.2).
5. The magnetic control valve for energy-saving stoves according to claim 2, characterized in that: It also includes a heat insulation sleeve (5); the heat insulation sleeve (5) is fixedly arranged on the outside of the permanent magnet (3).
6. The magnetic control valve for energy-saving stoves according to claim 2, characterized in that: The outer surface of the permanent magnet (3) is coated with a heat-insulating coating.
7. The magnetic control valve for energy-saving stoves according to claim 2, characterized in that: It also includes a valve stem guide sleeve (7); the valve stem guide sleeve (7) is sleeved on the outer circumference of the valve core (4).
8. The magnetic control valve for energy-saving stoves according to claim 2, characterized in that: Also included is a return spring (6).
9. An energy-saving stove, characterized by: The energy-saving stove is provided with a magnetic control valve for the energy-saving stove according to any one of claims 1 to 8.
Citation Information
Patent Citations
Magnetic control anti-empty-burning switch and energy-saving stove using same
CN217423332U