Electric chafing dish electric hot tray with more uniform heating

Abstract

The utility model relates to an electric chafing dish electric heating disc with more uniform heating, which comprises a base and an upper cover, a connecting groove is arranged in the base, a wire spool is arranged in the connecting groove, an electric heating wire is wound on the surface of the wire spool, insulating plates are arranged on two sides of the wire spool, an inserting piece is arranged at the bottom of the wire spool, and the inserting piece is arranged on the upper cover. The base is provided with receding openings opposite to the inserting pieces, the receding openings are used for the inserting pieces to penetrate out, the periphery of the upper cover is provided with a plurality of connecting protrusions, the connecting protrusions are evenly distributed along the circumference, the base is provided with jacking grooves matched with the connecting protrusions, the jacking grooves comprise vertical connecting-in parts and horizontal jacking parts, and the vertical connecting-in parts and the horizontal jacking parts are connected through the vertical connecting-in parts. And a jacking device is arranged in the horizontal jacking part, the connecting bulge enters the horizontal jacking part through the vertical access part, and the connecting bulge is jacked by the jacking device, so that stable connection between the base and the upper cover is realized. The utility model has the following advantages and effects: the stability of the connection among all parts can be improved, so that the heat can be uniformly transferred.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heating plates, in particular to an electric hot pot heating plate with more uniform heating. Background Art

[0002] The electric hot plate is a heating component used in many cookers. It mainly converts electrical energy into internal energy when a voltage is applied to a winding plate with a heating wire wound around it, thereby achieving heating.

[0003] For example, the Chinese patent technical document with the announcement number CN221227746U discloses a wiring structure for an electric heating plate, including: an upper cover, a heating component and a bottom plate. The upper cover is arranged on the bottom plate, and the heating component is accommodated between the upper cover and the bottom plate. The heating component includes a winding plate, on which a heating wire is wound. A plug is connected to one side of the bottom of the winding plate, and the heating wire is connected to the plug. A first limiting portion is provided on the top of the plug, and an insulator is provided on the plug sleeve. A second limiting portion cooperating with the first limiting portion is provided inside the insulator, and a slot for inserting the insulator is provided on the bottom plate.

[0004] In the above technical solution, the insertion position of the plug is further limited by providing a limit portion on the outside of the plug and the inside of the insulator, thereby enhancing the installation stability of the plug. However, in the above technical solution, the limit portion is only provided on one side. Therefore, after the upper cover, the winding plate and the bottom cover are connected to each other, it is still easy to shake, thereby causing the distance between the upper cover and the winding plate to change, affecting the uneven heat transfer to the upper cover and affecting the final heating effect. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide an electric hot pot heating plate with more uniform heating, which can improve the stability of the connection between various components to facilitate uniform heat transfer.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric hot pot heating plate with more uniform heating, comprising a base and an upper cover, a connecting groove being provided in the base, a winding disk being provided in the connecting groove, a heating wire being wound on the surface of the winding disk, insulating plates being provided on both sides of the winding disk, an insert being provided at the bottom of the winding disk, a clearance opening being provided on the base opposite to the insert, the clearance opening being for the insert to pass through, a connecting protrusion being provided on the outer periphery of the upper cover, a plurality of connecting protrusions being provided and evenly distributed along the circumference, a tightening groove being provided on the base cooperating with the connecting protrusion, the tightening groove comprising a vertical insertion portion and a horizontal tightening portion, a tightening device being provided in the horizontal tightening portion, the connecting protrusion entering the horizontal tightening portion through the vertical insertion portion, and the connecting protrusion being tightened by the tightening device to achieve a stable connection between the base and the upper cover.

[0007] The utility model is further configured as follows: the tightening device includes a limit block and a spring, a mounting groove is provided in the base, the mounting groove is connected to the horizontal tightening part, one end of the spring is fixed to the bottom of the mounting groove, and the other end is fixed to the limit block, and the spring is used to apply pressure to the limit block so that the limit block is tightened against the connecting protrusion.

[0008] The utility model is further configured as follows: a guide groove is provided in the base, the guide groove is communicated with the horizontal tightening portion, the guide groove is located above the mounting groove, a protruding guide portion is provided on the connecting protrusion, and the guide portion can be coupled with the guide groove and can constitute a guiding fit between the two.

[0009] The utility model is further configured as follows: the surface of the upper cover is provided with corrugations.

[0010] The utility model is further configured as follows: the end of the connecting protrusion is provided with a rounded corner.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] Since a tightening device is provided, after the winding reel is installed into the connecting groove, the connecting protrusion on the upper cover is aligned with the vertical insertion part. During the process of the upper cover being installed into the connecting groove, the connecting protrusion can enter the vertical insertion part, and then the connecting protrusion can be turned into the horizontal tightening part by rotating the upper cover. During the process of the connecting protrusion turning into the horizontal tightening part, the tightening device tightens the connecting protrusion to achieve a stable connection between the base and the upper cover, so that the upper cover can be in close contact with the winding reel below, thereby facilitating uniform heat transfer. Therefore, the technical problem in the prior art that after the upper cover, the winding plate and the bottom cover are connected to each other, they are still prone to shaking is effectively solved, thereby improving the stability of the connection between the various components to facilitate uniform heat transfer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the specific structure of the base in the utility model. DETAILED DESCRIPTION

[0016] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0017] 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., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] like Figures 1 to 3 As shown, the utility model discloses an electric hot pot heating plate with more uniform heating, including a base 1 and an upper cover 2, a connecting groove 101 is provided in the base 1, a winding drum 3 is provided in the connecting groove 101, a heating wire 31 is wound on the surface of the winding drum 3, insulating disks 4 are provided on both sides of the winding drum 3, an insert 32 is provided at the bottom of the winding drum 3, a clearance opening 106 opposite to the insert 32 is provided on the base 1, the clearance opening 106 is for the insert 32 to pass through, a connecting protrusion 21 is provided on the outer periphery of the upper cover 2, the connecting protrusion 21 is multiple and evenly distributed according to the circumference, a tightening groove cooperating with the connecting protrusion 21 is provided on the base 1, the tightening groove includes a vertical insertion portion 102 and a horizontal tightening portion 103, a tightening device is provided in the horizontal tightening portion 103, the connecting protrusion 21 enters the horizontal tightening portion 103 through the vertical insertion portion 102 , and the tightening device tightens the connecting protrusion 21 to achieve a stable connection between the base 1 and the upper cover 2. After the winding reel 3 is installed into the connecting groove 101, the connecting protrusion 21 on the upper cover 2 is aligned with the vertical input portion 102. During the process of the upper cover 2 being installed into the connecting groove 101, the connecting protrusion 21 can enter the vertical input portion 102, and then the upper cover 2 can be rotated to make the connecting protrusion 21 rotate into the horizontal tightening portion 103. During the process of the connecting protrusion 21 rotating into the horizontal tightening portion 103, the tightening device tightens the connecting protrusion 21 to achieve a stable connection between the base 1 and the upper cover 2, so that the upper cover 2 can be in close contact with the winding reel 3 below, thereby facilitating uniform heat transfer, thereby improving the stability of the connection between the various components and facilitating uniform heat transfer.

[0019] In this embodiment, the specific structure of the tightening device includes a limit block 51 and a spring 52. A mounting groove 104 is provided in the base 1. The mounting groove 104 is connected to the horizontal tightening portion 103. One end of the spring 52 is fixed to the bottom of the mounting groove 104 and the other end is fixed to the limit block 51. The spring 52 is used to apply pressure to the limit block 51 so that the limit block 51 is tightened against the connecting protrusion 21. In the process of the connecting protrusion 21 turning into the horizontal tightening portion 103, the connecting protrusion 21 can gradually contact with the limit block 51. The block presses down the spring 52, causing the spring 52 to deform. The force generated by the deformation of the spring 52 can act on the connecting protrusion 21 through the limit block 51, so that the connecting protrusion 21 is tightly pressed between the limit block 51 and the inner wall of the base 1, thereby realizing a stable connection between the base 1 and the upper cover 2. In addition, it should be noted that the limit block 51 is provided with an arc-shaped side wall whose height increases successively along the rotation direction of the connecting protrusion 21, so as to facilitate the limit block 51 to press down on the limit block 51 during the rotation process.

[0020] In this embodiment, a guide groove 105 is further provided in the base 1, and the guide groove 105 is connected to the horizontal tightening portion 103. The guide groove 105 is located above the mounting groove 104, and a protruding guide portion 211 is provided on the connecting protrusion 21. The guide portion 211 can be coupled with the guide groove 105 and can constitute a guiding cooperation between the two. In the process of the connecting protrusion 21 turning into the horizontal tightening portion 103, the guide portion 211 can enter the guide groove 105 and slide along the guide groove 105, so that in the process of the connecting protrusion 21 turning into the horizontal tightening portion 103, it can guide the turning of the connecting protrusion 21, thereby ensuring the stability of the turning of the connecting protrusion 21.

[0021] In this embodiment, corrugations are further provided on the surface of the upper cover 2. The provision of the corrugations can increase the surface area of ​​the upper cover 2, thereby increasing the heat dissipation area of ​​the surface of the upper cover 2, making the heat transfer of the upper cover 2 more sufficient, uniform and rapid.

[0022] In this embodiment, a rounded corner is provided at the end of the connecting protrusion 21 to prevent the protruding connecting protrusion 21 from causing scratches to the hands during use.

[0023] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. An electric hot pot heating plate with more uniform heating, characterized in that: The utility model comprises a base and an upper cover, wherein a connecting groove is provided in the base, a winding drum is provided in the connecting groove, a heating wire is wound on the surface of the winding drum, insulating plates are provided on both sides of the winding drum, an insert is provided at the bottom of the winding drum, a clearance opening opposite to the insert is provided on the base, and the clearance opening is for the insert to pass through, a connecting protrusion is provided on the outer periphery of the upper cover, and the connecting protrusions are multiple and evenly distributed along the circumference, a tightening groove is provided on the base to cooperate with the connecting protrusion, the tightening groove comprises a vertical entry portion and a horizontal tightening portion, a tightening device is provided in the horizontal tightening portion, the connecting protrusion enters the horizontal tightening portion through the vertical entry portion, and the connecting protrusion is tightened by the tightening device to realize a stable connection between the base and the upper cover.

2. The electric hot pot heating plate with more uniform heating according to claim 1, characterized in that: The tightening device includes a limit block and a spring. A mounting groove is provided in the base, and the mounting groove is connected to the horizontal tightening part. One end of the spring is fixed to the bottom of the mounting groove, and the other end is fixed to the limit block. The spring is used to apply pressure to the limit block so that the limit block is tightened against the connecting protrusion.

3. The electric hot pot heating plate with more uniform heating according to claim 2, characterized in that: A guide groove is provided in the base, the guide groove is connected to the horizontal tightening part, the guide groove is located above the installation groove, and a protruding guide part is provided on the connecting protrusion, the guide part can be coupled with the guide groove and can form a guiding fit between the two.

4. The electric hot pot heating plate with more uniform heating according to claim 1, characterized in that: The surface of the upper cover is provided with corrugations.

5. The electric hot pot heating plate with more uniform heating according to claim 1, characterized in that: The end of the connecting protrusion is provided with a rounded corner.

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