An electric fire grill

Abstract

This invention discloses an electric grill, comprising a grill body and a top cover, the grill body and the top cover being connected by a pivot pin; a burner head is disposed in the grill body, and a grilling plate is disposed on the top of the grill body; the burner head includes a plasma component for generating plasma to heat food placed on the grilling plate; a cover is disposed at the bottom of the top cover, the cover being fastened to the top of the grill body, the cover containing the grilling plate, and a first viewing window is disposed on the front of the cover. This electric grill features a sealed top cover with a cover at the bottom and a first viewing window on the front of the cover. Using this electric grill, not only can grilling and frying be performed, but also baking and braising can be done, and the cooking process can be observed at any time through the first viewing window, avoiding frequent opening of the cover and resulting heat loss.

Description

Technical Field

[0001] This invention relates to the field of kitchenware technology, specifically to an electric grill. Background Technology

[0002] An electric grill utilizes the properties of plasma, using high-voltage electricity to break down the air and form thermal plasma, converting electrical energy into heat energy, and ultimately obtaining a thermal plasma beam of ideal length and function. This thermal plasma beam, with flame-like characteristics, is used to heat food for cooking.

[0003] The utility model application with application number CN202323189033.9 discloses an electric grill. Although the electric grill can grill or fry most foods (such as meat skewers, vegetables, etc.), it is easy for heat to be lost quickly because it is not equipped with a sealing cover on top. It cannot be used for baking or braising. For example, it is difficult to cook whole chickens and ducks properly using the electric grill. Summary of the Invention

[0004] This invention aims to at least partially solve one of the technical problems in related technologies. Therefore, one objective of this invention is to provide an electric grill with a sealed lid. This electric grill can be used for grilling, frying, baking, and braising, and allows for direct observation of the cooking process, avoiding frequent opening of the lid and thus preventing heat loss.

[0005] The technical solution provided by this invention is as follows: An electric grill, which is special in that: It includes a furnace body and a top cover, wherein the furnace body and the top cover are connected by a pivot pin; The furnace body is provided with a burner head, and the top of the furnace body is provided with a barbecue plate. The burner head includes a plasma component, which is used to generate plasma to heat the food placed on the barbecue plate. The bottom of the upper cover is provided with a cover, which is fastened to the top of the oven body and covers the barbecue plate inside. The front of the cover is provided with a first viewing window.

[0006] Furthermore, a high-voltage pack is provided inside the furnace body. The high-voltage pack is electrically connected to the plasma assembly. The high-voltage pack includes a magnetic core, a first winding frame, and a second winding frame. The magnetic core is connected to the first winding frame and the second winding frame. Coils are wound on the first winding frame and the second winding frame. The first winding frame and / or the second winding frame are wrapped with a high-voltage pack shell.

[0007] Furthermore, the furnace body includes a support frame and a panel. The support frame has a square structure, and the panel is located on top of the support frame. The support frame is divided into a first region, a second region, and a third region. The bottom of the first region is provided with a perforated part for setting the furnace head. The second region and the third region are connected by a baffle to form a structure with a protruding front and a recessed back. The high-pressure pack is located on the back of the third region. The front of the support frame is provided with a groove, and tempered glass is installed in the groove to form a second viewing window. The back of the groove is connected to a channel structure.

[0008] Furthermore, the burner head also includes an inner liner; the inner liner is located in the first area, the bottom of the inner liner is engaged in the perforated portion, the top of the inner liner protrudes from the panel and abuts against the panel, and the inner liner has a notch on one side corresponding to the channel structure, and the channel structure is aligned with the notch; The plasma assembly includes plasma needles and a plasma head. Multiple plasma needles are evenly distributed in the inner liner. The plasma head is located at the top of the plasma needles. The bottom of the plasma needles penetrates the bottom of the inner liner. An insulating sleeve is fitted on the surface of the plasma needles.

[0009] Furthermore, a control component is provided at the bottom of the support frame. The control component includes at least a circuit board, which is connected to the bottom of the plasma needle and electrically connected to the high-voltage transformer.

[0010] Furthermore, the cover includes a front and two sides, a motor is provided on the outer wall of one side, and a rotating rod is provided inside the cover. One end of the rotating rod is rotatably connected to the side away from the motor, and the other end is connected to the output end of the motor. The motor drives the rotating rod to rotate. The top cover is connected to the furnace body by a pivot pin connection. The top cover is provided with a handle, and the side of the furnace body is also connected to a hand-held part.

[0011] Furthermore, the second region and the third region are located on the same side as the first region, and a power supply component is provided on the back of the second region. The power supply component is a single-layer or multi-layer power board, and the power supply component is electrically connected to the high-voltage transformer and the circuit board respectively.

[0012] Furthermore, the barbecue pan is a square structure with a concave edge and a convex center. The center of the barbecue pan is divided into a barbecue area and a grilling area. The barbecue area is provided with multiple through holes, and the grilling area is provided with multiple strip-shaped protrusions. The strip-shaped protrusions are evenly distributed parallel along the width direction of the barbecue pan, and the edge of the barbecue pan is provided with a first oil leakage hole.

[0013] Furthermore, ventilation holes are provided along the periphery on the bottom wall and / or side wall of the furnace body, and a heat dissipation assembly is also provided inside the furnace body. The heat dissipation assembly includes a first fan and a second fan. The first fan is located on one side of the furnace body in the extension direction. The first fan is used to dissipate heat from the circuit board, the high voltage transformer and the power supply components. The number of the second fans is multiple, and the multiple second fans are arranged around the high voltage transformer and the power supply component.

[0014] Furthermore, the furnace body is also provided with an oil receiving assembly, which includes a second oil leakage hole and an oil receiving box. The second oil leakage hole is located on the inner liner, and the oil receiving box is located below the second oil leakage hole. The bottom of the inner liner is also provided with a support plate, and the inner liner is set in the first area through the support plate; The front of the panel is raised, and a knob is installed on the raised part.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. The electric grill provided by the present invention has a sealed top cover, a cover at the bottom of the top cover, and a first viewing window on the front of the cover. Using this electric grill, not only can grilling and frying be carried out, but also baking and braising can be carried out. Moreover, the cooking process can be observed at any time through the first viewing window, avoiding heat loss caused by frequent opening of the cover. 2. This invention improves the heat dissipation efficiency inside the furnace body by combining the first fan and the second fan; 3. The present invention encapsulates a layer of insulating glue on the outside of the circuit board to protect the circuit board inside, preventing the circuit board from being short-circuited by liquid from above, or from generating discharge phenomena at the connection between the plasma needle and the circuit board. 4. The present invention also provides a second viewing window on the support frame, through which the working status of the plasma assembly inside the inner liner can be observed; 5. This invention, by installing a motor and a rotating rod on the cover, can braise and roast large ingredients such as chicken, duck, and fish, and ensures even heating; 6. By providing a second oil drain hole and an oil collection box, this invention can promptly drain oil and other liquids from the inner liner, preventing them from seeping into the lower part and affecting the normal operation of other components. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the electric grill in an embodiment of the present invention. Figure 1 ; Figure 2 Schematic diagram of the structure of the electric grill in this embodiment of the invention Figure 2 ; Figure 3A partial cross-sectional view of the electric grill in an embodiment of the present invention; Figure 4 Schematic diagram of the internal structure of the electric grill in this embodiment of the invention; Figure 5 A schematic diagram of the supporting frame in an embodiment of the present invention; Figure 6 Schematic diagram of the structure of the electric grill in this embodiment of the invention Figure 3 .

[0017] The attached figures are labeled as follows: 1-Top cover, 101-Cover, 102-Handle, 103-First viewing window, 104-Motor, 105-Rotating rod, 2-Furnace body, 201-Panel, 202-Support frame, 2021-Groove, 2022-Perforated section, 2023-First area, 2024-Second area, 2025-Third area, 203-Handheld part, 204-Second viewing window, 205-Channel structure, 206-Ventilation hole, 3-Shaft pin connection, 4-Knob, 5-Furnace head, 501-Inner liner, 502-Support plate, 503 - Plasma assembly, 5031- Plasma needle, 5032- Plasma head, 5033- Insulating sleeve, 6- Grilling pan, 601- Through hole, 602- Strip protrusion, 603- First oil drain hole, 7- High voltage transformer, 701- High voltage transformer housing, 702- Magnetic core, 703- First winding frame, 704- Second winding frame, 8- Heat dissipation assembly, 801- First fan, 802- Second fan, 9- Power supply component, 10- Control assembly, 11- Oil receiving assembly, 1101- Second oil drain hole, 1102- Oil receiving box. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the detailed description of the embodiments of this application provided below with reference to the accompanying drawings is intended merely to illustrate selected embodiments of this application and is not intended to limit the scope of protection claimed by this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0020] It should be understood that in the description of the embodiments of the present invention, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are used only for the convenience of describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of the present invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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, an electrical connection, or a connection that allows for mutual communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention according to the specific circumstances.

[0022] like Figures 1-3 As shown, the present invention provides an electric grill, including a grill body 2 and an upper cover 1. The grill body 2 and the upper cover 1 are connected by a pin connection 3. The upper cover 1 can rotate around the pin connection 3 on the grill body 2 at a certain angle.

[0023] The furnace body 2 is equipped with a burner head 5 and a barbecue plate 6 is provided on the top of the furnace body 2. The burner head 5 includes a plasma component 503, which is used to generate plasma to heat the food placed on the barbecue plate 6.

[0024] A cover 101 is provided at the bottom of the top cover 1. The cover 101 is fastened to the top of the oven body 2, and the grill plate 6 is secured inside the cover 101. A first viewing window 103 is provided on the front of the cover 101. A handle 102 is also provided on the top of the top cover 1, which can be used to open or close the cover 101. From the perspective of airtightness, when the cover 101 is fastened to the top of the oven body 2, the gap between the cover 101 and the top of the oven body 2 should not be too large to prevent excessive heat from escaping through the gap. In actual production, a groove can be provided at the contact part between the top of the oven body 2 and the cover 101, so that the cover 101 fits perfectly into the groove when fastened, ensuring airtightness. To facilitate observation of the food on the grill plate 6, a first viewing window 103 is provided on the front of the cover 101. The first viewing window 103 is made of high-temperature resistant tempered glass, so that the cooking status of the food on the grill plate 6 can be observed without opening the cover 101, preventing heat loss and burns caused by frequently opening the cover 101 during the heating process.

[0025] Optionally, a high-voltage transformer 7 is installed inside the furnace body 2. The high-voltage transformer 7 is used to boost the domestic electricity to a high voltage sufficient to break down the air in the discharge section of the plasma assembly 503 to generate plasma. The high-voltage transformer 7 is electrically connected to the plasma assembly 503. The high-voltage transformer 7 includes a magnetic core 702, a first winding frame 703, and a second winding frame 704. The magnetic core 702 is connected to the first winding frame 703 and the second winding frame 704. Coils are wound on the first winding frame 703 and the second winding frame 704. The first winding frame 703 and / or the second winding frame 704 are enclosed by a high-voltage transformer housing 701. Partial structure of the high-voltage transformer 7 is as follows: Figure 4 As shown, the high-voltage transformer 7 used in this invention is existing technology and will not be described further here.

[0026] like Figure 5As shown, the furnace body 2 includes a support frame 202 and a panel 201. The support frame 202 has a square structure, and the panel 201 is located on top of the support frame. The support frame 202 is divided into a first region 2023, a second region 2024, and a third region 2025. The bottom of the first region 2023 has a perforated section 2022 for mounting the burner head 5. The second region 2024 and the third region 2025 are connected by a baffle to form a structure with a convex front and a concave back. The high-pressure transformer is located on the back of the third region 2025. The support frame 202 is the main support structure of the upper part of the furnace body 2. Below the support frame 202, there is a bottom support frame (not shown in the figure). Ventilation holes 206 are provided on the bottom support frame. The bottom support frame is connected to the support frame 202 to form the outer shell of the furnace body 2. The first region 2023 on the support frame 202 is a recessed structure, while the second region 2024 and the third region 2025 on its right side are convex structures. Upon closer inspection, the second region 2024 and the third region 2025 are recessed, while the first region 2023 is convex. The first region 2023 is used to house the burner head 5, while the second region 2024 and the third region 2025 are used to house other components. The area of ​​the first region 2023 is significantly larger than the areas of the second region 2024 and the third region 2025. Both the first region 2023 and the panel 201 have perforated sections 2022. The perforated section 2022 in the first region 2023 is used to hold the inner liner 501 of the burner head 5 in place, while the perforated section on the panel 201 allows the top of the inner liner 501 to protrude through the panel 201.

[0027] The front of the support frame 202 is provided with a groove 2021, and a tempered glass is installed in the groove 2021 to form a second viewing window 204. The back of the groove 2021 is connected to a channel structure 205.

[0028] To facilitate the operation of the plasma assembly 503 inside the furnace body 2, a second viewing window 204 is provided on the support frame 202. The operation of the plasma assembly 503 inside the inner liner 501 can be observed through the second viewing window 204. Therefore, the groove 2021 provided on the front of the support frame 202 is connected to the inner liner through the channel structure 205.

[0029] Optionally, the burner head 5 also includes an inner liner 501; the inner liner 501 is installed in the first region 2023 via a support plate 502, or the inner liner 501 is directly fixed in the first region 2023. The bottom of the inner liner 501 is engaged in the perforated portion 2022, the top of the inner liner 501 protrudes from the panel 201 and abuts against the panel 201, and a notch is provided on one side of the inner liner 501 corresponding to the channel structure 205, with the channel structure 205 aligned with the notch.

[0030] To ensure the inner liner 501 is stably installed in the first area 2023 and that its top does not wobble, the edge of the inner liner 501 can be bent downwards. A raised ring is provided on the panel 201 at the contact point with the inner liner 501, and the bent edge of the inner liner 501 can be precisely positioned to catch on this raised ring. Figure 3 As shown.

[0031] The plasma assembly 503 includes a plasma needle 5031 and a plasma head 5032. Multiple plasma needles 5031 are evenly distributed in the inner liner 501. The plasma head 5032 is located at the top of the plasma needle 5031. The bottom of the plasma needle 5031 penetrates the bottom of the inner liner 501. An insulating sleeve 5033 is fitted on the surface of the plasma needle 5031.

[0032] The specific structure of the plasma assembly 503 is as follows: Figure 3 As shown, the plasma head 5032 is shaped like a Christmas tree, and the insulating sleeve 5033 is shaped like an inverted funnel. There is an upward protruding structure at the junction of the inner liner 501 and the plasma needle 5031. The outermost ring of the insulating sleeve 5033 fits perfectly with it to prevent liquid from seeping into the lower part from the junction during cooking.

[0033] Optionally, a control component 10 is provided at the bottom of the support frame 202. The control component 10 includes at least a circuit board, which is connected to the bottom of the plasma needle 5031 and electrically connected to the high voltage pack 7.

[0034] Specifically, such as Figure 4 As shown, a control component 10 is provided at the bottom of the burner head 5. The control component 10 includes at least a circuit board. If the circuit board is exposed to air, it is easily penetrated by liquid above, causing a short circuit, or the connection between the plasma needle 5031 and the circuit board is prone to generating discharge phenomena. Therefore, in this embodiment, an insulating glue is poured on the outside of the circuit board to protect it internally.

[0035] like Figure 1 , Figure 6 As shown, the cover 101 includes a front and two sides. A motor 104 is installed on the outer wall of one side. A rotating rod 105 is installed inside the cover 101. One end of the rotating rod 105 is rotatably connected to the side away from the motor 104, and the other end is connected to the output end of the motor 104. The motor 104 drives the rotating rod 105 to rotate. Larger foods such as chickens, ducks, and fish are placed on the rotating rod 105. The motor 104 drives the rotating rod 105 so that the chickens, ducks, and fish can rotate above the plasma assembly 503 and be heated evenly. It is understood that the rotating rod 105 is a detachable structure. When food needs to be placed on it, it can be removed, the food fixed to the rotating rod 105, and then fixed back on, thus allowing for baking or braising. During baking or braising, the cooking status of the food can be observed through the first viewing window 103.

[0036] For easy portability, a handheld part 203 is also connected to the side of the oven body 2, which allows the electric grill to be easily moved.

[0037] Optionally, the second region 2024 and the third region 2025 are located on the same side as the first region 2023. A power supply component 9 is provided on the back of the second region 2024. The power supply component 9 is a single-layer or multi-layer power board, and it is electrically connected to the high-voltage transformer 7 and the circuit board. Here, the power supply component 9 is directly connected to the power source to provide stable power support for the entire electric grill. The use of a single-layer or multi-layer power board for the power supply component 9 is existing technology and will not be elaborated here.

[0038] Optionally, the barbecue plate 6 is a square structure with a concave edge and a convex center. The middle of the barbecue plate 6 is divided into a barbecue area and a grilling area. The barbecue area is provided with multiple through holes 601, and the grilling area is provided with multiple strip-shaped protrusions 602. The strip-shaped protrusions 602 are evenly distributed in parallel along the width direction of the barbecue plate 6. The edge of the barbecue plate 6 is provided with a first oil leakage hole 603.

[0039] like Figure 6 As shown, the through holes 601 in the grilling zone can be set to a uniform size and even distribution, or the through holes 601 can be set to several different apertures and different distribution densities. The specific setting can be customized as needed. When the grill pan 6 is placed on top of the inner liner 501, the plasma component 503 in the inner liner 501 generates plasma that heats the food placed on it through the through holes 601. The reason for the strip-shaped protrusions 602 in the grilling zone is to facilitate flipping the food through the gaps between the strip-shaped protrusions 602 during cooking. The plane of the grilling zone and the grilling zone is higher than the plane of the first oil drain hole 603, so oil and liquid will leak through the first oil drain hole 603 into the inner liner 501 below.

[0040] like Figure 4 As shown, a heat dissipation assembly 8 is also provided inside the furnace body 2. The heat dissipation assembly 8 includes a first fan 801 and a second fan 802. The first fan 801 is positioned along its extension direction inside the furnace body 2 on one side. The first fan 801 is used to dissipate heat from the circuit board, high-voltage transformer, and power supply components 9. In this embodiment, the first fan 801 is a long cross-flow fan, and the second fan 802 is a common axial fan.

[0041] There are multiple second fans 802, which are arranged around the high-voltage transformer and power supply unit 9. By combining the first fan 801 and the second fan 802, the heat dissipation efficiency inside the furnace body 2 is improved.

[0042] Optionally, the furnace body 2 is also provided with an oil receiving assembly 11, which includes a second oil leakage hole 1101 and an oil receiving box 1102. The second oil leakage hole 1101 is located on the inner liner 501, and the oil receiving box 1102 is located below the second oil leakage hole 1101.

[0043] A protrusion is provided on the front of the panel 201, and a knob 4 is installed on the protrusion. The electric grill is adjusted and controlled by the knob 4.

[0044] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any changes or substitutions within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An electric grill, characterized in that: It includes a furnace body and a top cover, wherein the furnace body and the top cover are connected by a pivot pin; The furnace body is provided with a burner head, and the top of the furnace body is provided with a barbecue plate. The burner head includes a plasma component, which is used to generate plasma to heat the food placed on the barbecue plate. The bottom of the upper cover is provided with a cover, which is fastened to the top of the oven body and covers the barbecue plate inside. The front of the cover is provided with a first viewing window.

2. The electric grill according to claim 1, characterized in that: The furnace body is equipped with a high-voltage transformer, which is electrically connected to the plasma assembly. The high-voltage transformer includes a magnetic core, a first winding frame, and a second winding frame. The magnetic core is connected to the first winding frame and the second winding frame. Coils are wound on the first winding frame and the second winding frame. The first winding frame and / or the second winding frame are wrapped with a high-voltage transformer shell.

3. The electric grill according to claim 2, characterized in that: The furnace body includes a support frame and a panel. The support frame has a square structure. The panel is located on top of the support frame. The support frame is divided into a first region, a second region, and a third region. The bottom of the first region is provided with a perforated part for setting the furnace head. The second region and the third region are connected by a baffle to form a structure with a protruding front and a recessed back. The high-pressure pack is located on the back of the third region. The front of the support frame is provided with a groove, and tempered glass is installed in the groove to form a second viewing window. The back of the groove is connected to a channel structure.

4. The electric grill according to claim 3, characterized in that: The burner head also includes an inner liner; the inner liner is located in the first area, the bottom of the inner liner is fitted into the perforated part, the top of the inner liner protrudes from the panel and abuts against the panel, and the inner liner has a notch on one side corresponding to the channel structure, and the channel structure is aligned with the notch; The plasma assembly includes plasma needles and a plasma head. Multiple plasma needles are evenly distributed in the inner liner. The plasma head is located at the top of the plasma needles. The bottom of the plasma needles penetrates the bottom of the inner liner. An insulating sleeve is fitted on the surface of the plasma needles.

5. The electric grill according to claim 4, characterized in that: A control component is provided at the bottom of the support frame. The control component includes at least a circuit board. The circuit board is connected to the bottom of the plasma needle and electrically connected to the high voltage transformer.

6. The electric grill according to any one of claims 1-5, characterized in that: The cover includes a front and two sides. A motor is installed on the outer wall of one side. A rotating rod is installed inside the cover. One end of the rotating rod is rotatably connected to the side away from the motor, and the other end is connected to the output end of the motor. The motor drives the rotating rod to rotate. The top cover is connected to the furnace body by a pivot pin connection. The top cover is provided with a handle, and the side of the furnace body is also connected to a hand-held part.

7. The electric grill according to claim 5, characterized in that: The second region and the third region are located on the same side as the first region. A power supply component is provided on the back of the second region. The power supply component is a single-layer or multi-layer power board. The power supply component is electrically connected to the high-voltage transformer and the circuit board respectively.

8. The electric grill according to claim 6, characterized in that: The barbecue pan is a square structure with concave edges and convex center. The center of the barbecue pan is divided into a barbecue area and a grilling area. The barbecue area is provided with multiple through holes, and the grilling area is provided with multiple strip-shaped protrusions. The strip-shaped protrusions are evenly distributed and parallel along the width direction of the barbecue pan. The edge of the barbecue pan is provided with a first oil leakage hole.

9. The electric grill according to claim 7, characterized in that: Ventilation holes are provided along the periphery on the bottom wall and / or side wall of the furnace body. A heat dissipation assembly is also provided inside the furnace body. The heat dissipation assembly includes a first fan and a second fan. The first fan is located on one side of the furnace body in the extension direction. The first fan is used to dissipate heat from the circuit board, the high voltage transformer and the power supply components. The number of the second fans is multiple, and the multiple second fans are arranged around the high voltage transformer and the power supply component.

10. The electric grill according to claim 4, 5, 7, or 9, characterized in that: The furnace body is also provided with an oil receiving assembly, which includes a second oil leakage hole and an oil receiving box. The second oil leakage hole is located on the inner liner, and the oil receiving box is located below the second oil leakage hole. The bottom of the inner liner is also provided with a support plate, and the inner liner is set in the first area through the support plate; The front of the panel is raised, and a knob is installed on the raised part.

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