Heating tube fixing structure and cooking utensil

CN115530642BActive Publication Date: 2026-08-21GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202211344920.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-31
Publication Date
2026-08-21
Estimated Expiration
2042-10-31

AI Technical Summary

Technical Problem

[0003]发热管一旦表面沾满油污、损坏,用户想拆下清洗、更换,通过现有固定方式的发热管维修、更换十分的不便,用户需拆除顶板、后板、左右侧板、罩极电机、内部线、后隔热棉等,才能将发热管从内胆上拆除

Benefits of technology

[0024] The heating element fixing structure and cooking appliance provided by this invention, through the cooperation of the magnetic component and the electrical box component, allow users to quickly disassemble or fix the heating element to the housing when they need to disassemble or replace it, while improving the safety of user operation.

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Abstract

The application provides a heating tube fixing structure, which comprises a shell and a heating tube. The shell is provided with a fixing structure and an electric appliance box assembly. The fixing structure and the heating tube are detachably connected. The heating tube has a plug-in terminal. The plug-in terminal and the electric appliance box assembly are plugged in and powered. Meanwhile, the application also provides a cooking appliance. The heating tube fixing structure and the cooking appliance provided by the application can realize quick disassembly or replacement of the heating tube through the cooperation of the magnetic attraction assembly and the electric appliance box assembly, and can improve the safety of user operation.
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Description

Technical Field

[0001] This invention belongs to the technical field of household appliances, and particularly relates to a heating element fixing structure and a cooking utensil. Background Technology

[0002] All existing cooking appliances have a heating function, usually achieved through heating elements. However, the current method of fixing heating elements is relatively simple. Generally, a nut is used to engage with a screw on the heating element to lock it onto the inner pot assembly. The inner pot is wrapped with insulation cotton, and there is also a rear heat insulation plate, shaded pole motor, and rear plate. As an important component, the heating element will become covered with grease, age, and even be damaged over time.

[0003] Once the heating element becomes covered in oil or damaged, it is extremely inconvenient for users to remove it for cleaning or replacement using the existing fixed heating element system. Users need to remove the top plate, back plate, left and right side plates, shaded-pole motor, internal wiring, and rear insulation cotton before they can remove the heating element from the inner liner. After cleaning or replacing the heating element, other electronic components also need to be removed and reassembled in sequence, which is a huge amount of work. Due to the large variety and quantity of materials removed, there is also a risk of loss. On the other hand, users may forget to turn off the power to the entire machine during the disassembly of the top heating element. Since the heating element is made of metal, it is prone to leakage, posing a certain safety hazard to the user.

[0004] Therefore, there is an urgent need to design a heating element fixing structure to solve the technical problems of the existing heating element fixing method being complex and difficult to disassemble. Summary of the Invention

[0005] The main objective of this invention is to provide a heating element fixing structure and a cooking appliance. The heating element can be quickly disassembled and replaced while ensuring user safety.

[0006] To achieve the above objectives, the specific technical solutions for the heating element fixing structure and cooking appliance of the present invention are as follows:

[0007] The present invention provides a heating tube fixing structure, including a housing and a heating tube. The housing is provided with a fixing structure and an electrical box assembly. The fixing structure and the heating tube are detachably connected. The heating tube has a plug-in terminal. The plug-in terminal and the electrical box assembly are plugged in and energized.

[0008] In a preferred embodiment of the present invention, the electrical box assembly and the fixing structure are electrically connected to the controller. After the controller controls the plug-in terminal and the electrical box assembly to be de-energized, the fixing structure and the heating tube are disassembled. After the controller controls the fixing structure and the heating tube to be fixed, the plug-in terminal and the electrical box assembly are plugged in and energized.

[0009] As a preferred embodiment of the present invention, the fixing structure includes a fixing seat, on which a receiving chamber is formed, and the heating tube is placed in the receiving chamber so that the fixing structure and the heating tube can be detachably connected.

[0010] As a preferred embodiment of the present invention, a magnetic suction assembly is provided on the fixing base, and the receiving chamber is provided on the magnetic suction assembly. When the magnetic suction assembly is powered on, the heating tube can be detached from the receiving chamber, thereby realizing the separation of the heating tube and the fixing structure. When the magnetic suction assembly is powered off, the heating tube can be clamped in the receiving chamber, thereby realizing the fixing structure fixing the heating tube to the shell.

[0011] As a preferred embodiment of the present invention, a fixing plate is provided on the fixing base, and a clamping plate is elastically connected to the fixing plate. A receiving chamber is formed between the fixing plate and the clamping plate, thereby realizing the change of the positional relationship between the receiving chamber and the heating tube.

[0012] As a preferred embodiment of the present invention, the magnetic suction assembly includes a magnet and a clamp. The magnet is fixedly mounted on the fixed base, and the clamp is fixedly mounted on the clamp plate. When the magnetic suction assembly is energized, the attraction force of the magnet is greater than the elasticity between the fixed plate and the clamp plate, thereby realizing the separation of the heating tube from the accommodating chamber.

[0013] As a preferred embodiment of the present invention, an angle is formed between the magnet and the clamp. When the magnet is energized, the attraction force of the magnet on the clamp is greater than the elastic force between the fixed plate and the clamp, thereby enabling the clamp to rotate away from the fixed plate.

[0014] As a preferred embodiment of the present invention, the fixed base is provided with a first limiting block and a second limiting block, the clamping plate and the fixed plate rotate relative to each other, and the clamping plate rotates within the space formed by the first limiting block and the second limiting block.

[0015] In a preferred embodiment of the present invention, the heating element is fixed in the accommodating cavity, the fixing plate and the clamping plate are arranged in parallel, a spring is provided between the clamping plate and the fixing plate, and an angle is formed between the magnet and the clamping iron.

[0016] In a preferred embodiment of the present invention, the heating element is detached from the receiving chamber, an angle is formed between the fixing plate and the clamping plate, and the magnet and the clamping iron are arranged in parallel.

[0017] As a preferred embodiment of the present invention, the fixing plate is provided with an abutment plate in the direction of the clamping plate so that the heating tube and the abutment plate abut against each other, thereby fixing the heating tube between the fixing plate and the clamping plate.

[0018] As a preferred embodiment of the present invention, the electrical box assembly includes a box body and a cover body, and a pushing structure is provided between the box body and the cover body to make the box body and the cover body engage or disengage.

[0019] As a preferred embodiment of the present invention, the box body is provided with a guide structure and the cover body is provided with a mating hole. The guide structure moves within the mating hole to make the box body and the cover body interlock and / or separate.

[0020] As a preferred embodiment of the present invention, the pushing structure includes an electric push rod, and the cover is provided with a mounting hole. One end of the electric push rod is fixedly connected to the box body, and the other end is screwed and fixed to the mounting hole, so that the electric push rod drives the box body and the cover body to engage and / or separate.

[0021] As a preferred embodiment of the present invention, the box body is provided with a socket and the cover body is provided with a plug-in part. The plug-in terminal of the heating tube is connected through the socket and the plug-in part to enable the heating tube to be powered.

[0022] The present invention also provides a cooking appliance, including the heating element fixing structure as described above.

[0023] The heating element fixing structure and cooking appliance provided by this invention have the following advantages:

[0024] The heating element fixing structure and cooking appliance provided by this invention, through the cooperation of the magnetic component and the electrical box component, allow users to quickly disassemble or fix the heating element to the housing when they need to disassemble or replace it, while improving the safety of user operation. Attached Figure Description

[0025] Figure 1 A schematic diagram of the overall structure of the heating tube fixing structure provided by the present invention;

[0026] Figure 2 This is an exploded structural diagram of the heating element fixing structure provided by the present invention;

[0027] Figure 3 This is a cross-sectional view of the heating tube fixing structure provided by the present invention;

[0028] Figure 4 for Figure 3 Enlarged view of part A in the middle Figure 1 ;

[0029] Figure 5 for Figure 3 Enlarged view of part A in the middle Figure 2 ;

[0030] Figure 6 for Figure 5 Enlarged view of part B in the middle Figure 1 ;

[0031] Figure 7 for Figure 5 Enlarged view of part B in the middle Figure 2 .

[0032] Explanation of markings in the diagram:

[0033] 1. Housing; 2. Heating element; 21. Plug-in terminal; 22. Connecting plate; 23. Sealing gasket; 3. Fixing structure; 301. Electromagnetic cable; 302. Sealing element; 303. Fixing base; 304. Receiving groove; 305. Magnet; 306. Screw; 307. Clamping iron; 308. Rotating shaft; 309. Clamping plate; 310. Fixing plate; 311. First limiting block; 312. Second limiting block; 313. Spring 4. Electrical box assembly; 41. Box body; 411. Socket; 412. Guide post; 42. Electric actuator; 43. Clip; 44. Washer; 45. Nut; 46. Snap ring; 47. Cover; 471. Mounting hole; 472. Fixing groove; 473. Wire; 5. Door; 6. Motor; 7. Electrical box; 8. Steam generator; 9. Enclosure; 10. Insulation board; 11. Snap-on thermostat; 12. Insulation cotton. Detailed Implementation

[0034] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0037] like Figures 1 to 3As shown, one embodiment of the present invention provides a heating element fixing structure, including a housing 1. A fixing structure 3 and an electrical box assembly 4 are disposed within the housing 1. The fixing structure 3 and the heating element 2 are detachably connected. The heating element 2 has a plug-in terminal 21, which is plugged into the electrical box assembly 4 for power supply. The heating element 2 is quickly fixed to the housing 1 by the fixing structure 3 and the electrical box assembly 4. The heating element fixing structure and cooking appliance provided by the present invention, through the cooperation of the magnetic component and the electrical box assembly 4, allow for quick disassembly or fixing of the heating element 2 to the housing 1 when the user needs to remove or replace it, while also improving user safety.

[0038] Furthermore, the electrical box assembly 4 and the fixing structure 3 are electrically connected to the controller. After the controller controls the plug-in terminal 21 and the electrical box assembly 4 to disconnect the power, the fixing structure 3 and the heating element 2 are then disassembled. After the controller controls the fixing structure 3 and the heating element 2 to be fixed, the plug-in terminal 21 and the electrical box assembly 4 are then plugged in to connect the power. Even if the user forgets to disconnect the power to the whole machine or activate the function to disassemble and clean the top heating element 2 during use, they can open the oven door 5 and confirm that the temperature of the heating element 2 has dropped to room temperature. They can then directly pull out the heating element 2 from the front of the inner cavity for cleaning or replacement without disassembling other related parts. This greatly improves the safety of users when disassembling and cleaning the heating element 2, reduces the difficulty of users replacing the heating element 2 of the oven, shortens the assembly time, ensures the personal safety of users to a certain extent, improves the user experience, and reduces production costs.

[0039] Specifically, the heating element 2 comprises multiple tubular structures. A plug-in terminal 21 is provided at the end of the heating element 2. The plug-in terminal 21 is energized and is configured as a plug to allow for quick insertion and removal of the plug-in terminal 21 and the electrical box assembly 4, thus controlling the power supply to and from the heating element 2. A connecting plate 22 is provided at the end of the heating element 2. The connecting plate 22 has multiple through holes, and the tubular structures of the heating element 2 are inserted into these through holes to fix the heating element 2 onto the connecting plate 22.

[0040] In a preferred embodiment, a sealing gasket 23 is provided on one side of the connecting plate 22. The sealing gasket 23 is used to prevent high-temperature steam in the inner liner cavity from escaping into the machine body through the gap between the top heating tube 2 and the top plate of the inner liner, which could pose a safety hazard to the electrical components inside the machine body.

[0041] Furthermore, the fixing structure 3 includes a fixing base 303, on which a receiving chamber is formed. The heating tube 2 is placed in the receiving chamber, so that the fixing structure 3 and the heating tube 2 can be detachably connected. A magnetic suction assembly is provided on the fixing base 303, and the receiving chamber is disposed on the magnetic suction assembly. When the magnetic suction assembly is energized, it can detach the heating tube 2 from the receiving chamber, thereby separating the heating tube 2 from the fixing structure 3; when the magnetic suction assembly is de-energized, it can clamp the heating tube 2 in the receiving chamber, thereby fixing the heating tube 2 to the housing 1 by the fixing structure 3.

[0042] Furthermore, an electromagnet cable 301 is provided on the fixing base 303. When the electromagnet cable 301 is energized, the magnetic attraction component is energized, thereby controlling the on and off of the magnetic attraction component to change the positional relationship between the heating tube 2 and the accommodating chamber.

[0043] Specifically, a fixing plate 310 is provided on the fixing base 303, and a clamping plate 309 is flexibly connected to the fixing plate 310. A receiving chamber is formed between the fixing plate 310 and the clamping plate 309, thereby changing the positional relationship between the receiving chamber and the heating tube 2.

[0044] In a preferred embodiment, the magnetic attraction assembly includes a magnet 305 and a clamp 307. The magnet 305 is fixedly mounted on the fixed base 303, and the clamp 307 is fixedly mounted on the clamping plate 309. When the magnetic attraction assembly is energized, the attraction force of the magnet 305 is greater than the elasticity between the fixed plate 310 and the clamping plate 309, thereby realizing the separation of the heating tube 2 from the accommodating chamber.

[0045] Specifically, when the magnetic attraction assembly is de-energized, the clamping plate 309 and the fixing plate 310 are arranged in parallel, and the heating tube 2 is arranged between the clamping plate 309 and the fixing plate 310. When the magnetic attraction assembly is energized, the attraction force of the magnet 305 on the clamping iron 307 is greater than the elastic force of the spring 313. The attraction force generated by the magnet 305 after being energized drives the clamping plate 309 to rotate, so that the clamping plate 309 rotates relative to the fixing plate 310, and the clamping plate 309 and the fixing plate 310 form an angle. At this time, the positional relationship between the clamping iron 307 and the magnet 305 is parallel. As a result, the distance formed between the clamping plate 309 and the fixing plate 310 is greater than the outer diameter of the heating tube 2. Therefore, the clamping plate 309 and the fixing plate 310 lose the clamping force on the heating tube 2, thereby realizing the detachment of the heating tube 2 from the accommodating cavity.

[0046] In a preferred embodiment, a sealing element 302 is provided between the fixing base 303 and the housing 1 to prevent high-temperature steam in the inner cavity from flowing into the whole machine through the gap between the magnetic components, which could pose a safety hazard to electronic components.

[0047] Specifically, the fixing base 303 includes a positioning plate. A receiving groove 304 is provided on the surface of the positioning plate away from the housing 1. A magnet 305 is fixed within the receiving groove 304. The clamping plate 309 and the fixing plate 310 have similar shapes and structures, allowing them to be positioned opposite each other. A rotating shaft 308 is provided between the clamping plate 309 and the fixing plate 310, allowing the clamping plate 309 to rotate relative to the fixing plate 310. The clamping plate 309 includes a cylindrical structure connected to a plate-like structure. One side of the cylindrical structure has an end face, on which a clamping iron 307 is provided. The fixing plate 310 includes a cylindrical structure connected to a plate-like structure. An abutment plate is provided on the fixing plate 310 facing the clamping plate 309, allowing the heating element 2 to abut against the abutment plate, thereby fixing the heating element 2 between the fixing plate 310 and the clamping plate 309.

[0048] Furthermore, the fixing base 303 is provided with fixing holes, and the fixing structure 3 is fixed to the housing 1 by screws 306. This forms a fixed connection between the fixing structure 3 and the housing 1. Of course, it is understood that the fixing base 303 and the housing 1 can also be fixed by other structures, such as snap-fit ​​fixing, etc. Here, only the fixing with screws 306 is described as a specific embodiment.

[0049] like Figure 4 As shown, the positional relationship between the fixing plate 310, the clamping plate 309, and the heating tube 2 is illustrated when the magnetic attraction assembly is powered off. The heating tube 2 is fixed in the accommodating cavity. The fixing plate 310 and the clamping plate 309 are arranged in parallel. A spring 313 is provided between the clamping plate 309 and the fixing plate 310. An angle is formed between the magnet 305 and the clamping iron 307.

[0050] like Figure 5 As shown, the positional relationship between the fixing plate 310, the clamping plate 309, and the heating tube 2 is shown when the magnetic attraction assembly is energized. An angle is formed between the magnet 305 and the clamping plate 307. After the magnet 305 is energized, the attraction force of the magnet 305 on the clamping plate 307 is greater than the elastic force between the fixing plate 310 and the clamping plate 309, thereby enabling the clamping plate 309 to rotate away from the fixing plate 310.

[0051] Furthermore, the fixing base 303 is provided with a first limiting block 311 and a second limiting block 312. The clamping plate 309 and the fixing plate 310 rotate relative to each other, and the clamping plate 309 rotates within the space formed by the first limiting block 311 and the second limiting block 312. When the clamping plate 309 rotates to the first limiting block 311, the magnetic attraction assembly is in a de-energized state, and the heating tube 2 is clamped in the receiving cavity. When the clamping plate 309 rotates to the second limiting block 312, the magnetic attraction assembly is in a energized state, and the heating tube 2 is disengaged from the receiving cavity, so that the heating tube 2 can be removed from the housing 1 for easy replacement and maintenance by the user.

[0052] like Figure 6 and Figure 7 As shown, the plug-in terminal 21 of the heating element 2 and the electrical box assembly 4 are shown in the plug-in and power-on states and the disconnected and power-off states. During the replacement of the heating element 2, the plug-in terminal 21 of the heating element 2 and the electrical box assembly 4 are disconnected from the power supply, and then the fixing structure 3 and one end of the heating element 2 are separated. This allows for the rapid replacement of the heating element 2 even when the power is off, improving the safety of the user.

[0053] Furthermore, the electrical box assembly 4 includes a box body 41 and a cover 47, with a pushing structure provided between the box body 41 and the cover 47. The pushing structure allows the box body 41 and the cover 47 to engage or disengage. The pushing structure can be an elastic structure or a driving structure such as a cylinder, as long as it can achieve the separation and engagement of the box body 41 and the cover 47 under the action of the pushing structure.

[0054] Furthermore, the actuating structure includes an electric actuator 42, and a mounting hole 471 is provided on the cover 47. One end of the electric actuator 42 is fixedly connected to the housing 41, and the other end is screwed into the mounting hole 471 to drive the housing 41 and the cover 47 to engage and / or disengage. The electric actuator 42 includes a telescopic screw, which is locked and fixed to the mounting hole 471 on the cover 47. The screw of the electric actuator 42 has a D-shaped hole, and the mounting hole 471 has a D-shaped hole to prevent the electric actuator 42 from deflecting during movement.

[0055] Furthermore, a card 43 is provided on the electric actuator 42, and a washer 44 is provided on the card 43. Specifically, a fixing groove 472 is provided on the cover 47, and a retaining spring 46 is provided on the fixing rod. The plug-in terminal 21 of each heating tube 2 is plugged into the retaining spring 46 to conduct electricity.

[0056] Furthermore, a guide structure is provided on the box body 41, and a mating hole is provided on the cover body 47. The guide structure moves within the mating hole to make the box body 41 and the cover body 47 engage and / or disengage.

[0057] Specifically, the guiding structure includes a guide post 412, which is disposed on the box body 41 and housed in the space formed by the box body 41 and the cover body 47. The cover body 47 is provided with a positioning hole, and the guide post 412 is inserted into the positioning hole so that the guide post 412 moves within the positioning hole during the relative movement of the cover body 47 and the box body 41, thereby achieving the guiding function and making the cover body 47 and the box body 41 more stable during the relative movement and preventing deflection.

[0058] Furthermore, the housing 41 is provided with a socket 411, and the cover 47 is provided with a plug-in part. The plug-in terminal 21 of the heating tube 2 is connected to the plug-in part through the socket 411 so that the heating tube 2 is powered on.

[0059] In a preferred embodiment, the actuating structure includes an electric actuator 42, and a mounting hole 471 is provided on the cover 47. One end of the electric actuator 42 is fixedly connected to the housing 41, and the other end is screwed into the mounting hole 471 to drive the housing 41 and the cover 47 to engage and / or disengage. Specifically, the nut 45 is tightened with the electric actuator 42 to secure the electric actuator 42 and the cover 47.

[0060] Furthermore, a wire 473 is provided on the box 41 to energize the electrical box assembly 4.

[0061] In the most preferred embodiment, the distance between the plug terminal 21 and the retaining ring 46 is set to be greater than or equal to 4 mm to determine that the heating tube 2 is in a de-energized state, and the distance between the plug terminal 21 and the retaining ring 46 is set to be less than 4 mm to determine that the heating tube 2 is in a energized state.

[0062] The heating element fixing structure and cooking appliance provided by the present invention, through the cooperation of the magnetic component and the electrical box component 4, allow the user to quickly disassemble or fix the heating element 2 to the housing 1 when it needs to be disassembled or replaced, while improving the safety of user operation.

[0063] When the user needs to disassemble, clean, or replace the top heating element 2 of the steam oven, pressing the "Disassemble and Clean Top Heating Element 2" function button will cause the electric push rod 42 to push the cover 47 backward along the direction of the guide post 412. The live spring clip 46 will completely disengage from the plug-in terminal 21 of the heating element 2, with a distance of ≥4mm. This prevents the user from unplugging the heating element 2 without turning off the power to the whole machine, which could cause electric shock if the heating element 2 leaks electricity. At the same time, the magnetic component will be energized, and the magnet 305 will attract the clamp 307. When the attraction force is greater than the tension of the spring 313 between the fixing plate 310 and the clamp 309, the clamp 309 holding the top heating element 2 will open downward, allowing the user to safely remove the top heating element 2 from the inner top plate. If the live spring clip 46 is not completely disengaged from the plug-in terminal 21 and the distance is <4mm, the clamp 309 of the magnetic component will not open downward, and the user cannot remove the heating element 2, ensuring the user's safety.

[0064] When the user disassembles, cleans, or replaces the top heating element 2 of the steam oven, inserts the connector 21 of the top heating element 2 into the socket 411 of the cover 47, pushes it towards the cooling fan, and presses the function button for disassembling and cleaning the top heating element 2. At this time, the magnetic component will be de-energized, and the clamping plate 309 will close upward due to the tension of the spring 313 between it and the fixing plate 310, clamping the top heating element 2 between the fixing plate 310 and the clamping plate 309, thus completing the fixation of the top heating element 2. At the same time, the electric push rod 42 will drive the cover 47 to move along the guide post 412 towards the box 41 until the cover 47 and the box 41 are closed. In this way, the connector 21 of the top heating element 2 is also fully inserted into the retaining spring 46 inside the cover 47. As long as the top heating element 2 is started, power can be supplied to the top heating element 2.

[0065] This invention also provides a cooking appliance. The heating element fixing structure provided in the above embodiments of this invention is used in the cooking appliance, which includes a housing 1 and a door 5. The door 5 can be fastened to the housing 1, so that an inner cavity is formed between the door 5 and the housing 1. An inner cavity top plate is provided at the top of the inner cavity, and the heating element 2 is provided on the inner cavity top plate and the side wall of the inner cavity, thereby enabling the heating element 2 to provide a heat source to the inner cavity. Of course, it is understood that the cooking appliance may include a steam oven, dishwasher, or oven, etc., and only a steam oven is used as an example for specific description here.

[0066] Furthermore, a surrounding plate 9 and a heat insulation plate 10 are provided on the side wall of the inner liner. A motor 6 is installed between the surrounding plate 9 and the heat insulation plate 10, and the motor 6 is connected to the fan blades so that the motor 6 drives the fan blades to rotate. A steam generator 8 is provided on the side wall of the inner liner, and an electrical box 7 is provided on one side of the steam generator 8. A snap-action thermostat 11 is provided on the side wall of the inner liner to prevent the temperature of the inner liner from rising to an excessively high temperature, thereby damaging the components of the entire machine.

[0067] Furthermore, a heat insulation cotton 12 is provided on one side of the heating tube fixing structure to reduce the heat transfer of the heating tube 2 to the housing 1, so as to reduce the overall temperature and prevent the heating tube from damaging other components due to high temperature.

[0068] Of course, it is understandable that it can be set not only at the top of the inner liner, but also in other locations. Here, we will only describe the fixing method of heating tube 2, and we will not limit the fixing position of heating tube 2.

[0069] To prevent high-temperature steam inside the inner cavity from leaking out through the gap between the heating element 2, the magnetic assembly, and the top plate of the inner cavity, thus posing a safety hazard to sockets and other electrical components outside the inner cavity, a high-temperature resistant silicone gasket is installed between the heating element 2, the magnetic assembly, and the top plate of the inner cavity. This prevents high-temperature steam inside the inner cavity from leaking into the machine body through the gap between the heating element 2, the magnetic assembly, and the inner cavity, thus preventing a safety hazard to the important components of the steam oven.

[0070] The embodiments provided by this invention employ a magnetic attachment for fixation, and an electric push rod 42 to open and close the circuit of the top heating element 2. If the heating element 2 is damaged, a new heating element 2 can simply be mailed to the customer. Following the instructions, the user can activate the top heating element 2 cleaning function via the control panel to disconnect the power to the damaged or disassembled heating element 2. After the heating element 2 cools to room temperature, the oven door can be opened, and the heating element 2 can be removed from the front of the inner cavity for cleaning or replacement. This eliminates the complex process of disassembling the entire oven body, replacing the heating element 2, and reassembling it, which was previously required. It also prevents the heating element 2 from becoming electrified and posing a safety hazard to the user or repair personnel during disassembly or assembly due to forgetting to disconnect the power. Using the embodiments provided by this invention, the safety of users disassembling or replacing the top heating element 2 when it is damaged is effectively guaranteed, reducing product repair costs and saving repair time.

[0071] The embodiments provided by this invention, through a completely new design of the installation method of the heating element 2 on the top of the steam oven, effectively solve the inconvenience of replacing and repairing the heating element 2, and eliminate the electrical safety hazards that may occur during the disassembly and assembly of the heating element 2. This makes the previously complex replacement of the heating element 2 much faster, simpler, and safer, reducing the cost of steam oven maintenance and improving the user experience.

[0072] Those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heating element fixing structure, characterized in that, It includes a housing and a heating element. The housing is provided with a fixing structure and an electrical box assembly. The fixing structure and the heating element are detachably connected. The heating element has a plug-in terminal. The plug-in terminal and the electrical box assembly are plugged in and energized. The fixed structure includes a fixed base; The mounting base is equipped with a magnetic attraction component, which includes a magnet and a clamp. An angle is formed between the magnet and the clamp. When the magnet is energized, the attraction force of the magnet on the clamp is greater than the elastic force between the fixed plate and the clamp, thereby enabling the clamp to rotate away from the fixed plate. A fixing plate is provided on the fixing base, and a clamping plate can be flexibly connected to the fixing plate. A receiving chamber is formed between the fixing plate and the clamping plate, thereby realizing the change of the positional relationship between the receiving chamber and the heating tube; The magnet is fixedly mounted on the base, and the clamp is fixedly mounted on the clamp plate. When the magnetic assembly is energized, the attraction force of the magnet is greater than the elasticity between the base plate and the clamp plate, thereby detaching the heating element from the receiving chamber.

2. The heating element fixing structure according to claim 1, characterized in that, It also includes a controller, an electrical box assembly, and a fixing structure, which are electrically connected to the controller. After the controller controls the plug-in terminals and the electrical box assembly to be de-energized, the fixing structure and the heating element are then disassembled. After the controller controls the fixing structure and the heating element to be fixed, the plug-in terminals and the electrical box assembly are then plugged in and energized.

3. The heating element fixing structure according to claim 1, characterized in that, A receiving chamber is formed on the mounting base, and the heating element is placed in the receiving chamber so that the mounting structure and the heating element can be detachably connected.

4. The heating element fixing structure according to claim 3, characterized in that, The accommodating chamber is located on the magnetic suction assembly. When the magnetic suction assembly is powered on, the heating tube can be detached from the accommodating chamber, thereby separating the heating tube from the fixing structure. When the magnetic suction assembly is powered off, the heating tube can be clamped in the accommodating chamber, thereby fixing the heating tube to the housing by the fixing structure.

5. The heating element fixing structure according to claim 1, characterized in that, The fixed base is provided with a first limiting block and a second limiting block. The clamping plate and the fixed plate rotate relative to each other, and the clamping plate rotates within the space formed by the first limiting block and the second limiting block.

6. The heating element fixing structure according to claim 1, characterized in that, The heating element is fixed in the accommodating cavity. The fixing plate and the clamping plate are arranged in parallel. A spring is installed between the clamping plate and the fixing plate. An angle is formed between the magnet and the clamping iron.

7. The heating element fixing structure according to claim 1, characterized in that, The heating element is detached from the receiving chamber, and an angle is formed between the fixing plate and the clamping plate. The magnet and the clamping iron are arranged in parallel.

8. The heating element fixing structure according to claim 1, characterized in that, The fixing plate is provided with an abutment plate facing the clamping plate so that the heating tube and the abutment plate abut against each other, thereby fixing the heating tube between the fixing plate and the clamping plate.

9. The heating element fixing structure according to claim 1, characterized in that, The electrical box assembly includes a box body and a cover, and a push mechanism is provided between the box body and the cover to make the box body and the cover engage or disengage.

10. The heating element fixing structure according to claim 9, characterized in that, The box body is provided with a guide structure, and the lid body is provided with a mating hole. The guide structure moves within the mating hole to make the box body and the lid body interlock and / or separate.

11. The heating element fixing structure according to claim 9, characterized in that, The pushing structure includes an electric push rod, and the cover is provided with a mounting hole. One end of the electric push rod is fixedly connected to the box body, and the other end is screwed and fixed to the mounting hole so that the electric push rod drives the box body and the cover body to engage and / or separate.

12. The heating element fixing structure according to claim 9, characterized in that, The box body is provided with a socket, and the cover body is provided with a plug-in part. The plug-in terminal of the heating element is connected through the socket and the plug-in part to enable the heating element to be powered.

13. A cooking utensil, characterized in that, Includes the heating element fixing structure as described in any one of claims 1-12.

Citation Information

Patent Citations

  • Oven

    CN104257290A

  • Heating tube fixing structure and oven

    CN106419621A

  • Automobile rectifier cassette with heat dissipation function

    CN207150440U

  • Heating tube fixing structure and cooking utensil

    CN218588849U