Base connecting structure of cooking pot
By adopting a snap-fit structure with upper and lower connecting plates in the base structure of the cooking pot, the problems of low base assembly efficiency and high temperature protection are solved, thereby improving production efficiency and extending the life of the control circuit board.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGSHAN XINNENG APPLIANCES CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-05-15
AI Technical Summary
The existing cooking pot base structure requires alignment with screw holes and diagonal fastening during assembly, resulting in low production efficiency. Furthermore, it may collapse or deform under high temperature conditions, affecting the lifespan of the control circuit board.
The upper and lower connecting plates are fastened together, and the upper and lower fastening parts are used to achieve pre-fixation, which simplifies the fastening method, enhances the connection strength, and provides heat insulation protection for the control circuit board.
It improves production efficiency, prevents the base from deforming in high-temperature environments, protects the control circuit board from heat, and extends its service life.
Smart Images

Figure CN224246254U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooking pots, specifically a base connection structure for a cooking pot. Background Technology
[0002] Currently, cooking pots consist of a base and a pot. The base structure mainly includes a bottom shell and an upper shell, which are fastened together with screws to form the inner cavity of the base for installing the heating coil and control circuit board. When assembling the bottom shell and upper shell, the upper and lower fastening holes (connecting posts) must be aligned at all times, and the screws must be tightened diagonally to ensure that the bottom shell and upper shell can be evenly joined after assembly. This method leads to a decrease in production efficiency. Furthermore, after assembly, the fastening structure is mainly located on the base near the shell wall, which may cause the middle part of the base to collapse or deform under high temperature conditions. In some cases, the space for installing the heating coil and the space for installing the control circuit board are directly connected, and the heating coil radiates onto the control circuit board, thus affecting the service life of the control circuit board. Therefore, the applicant has improved and perfected the structure of the cooking pot to solve the above two problems simultaneously through structural design, so that consumers can choose to use it. Utility Model Content
[0003] The purpose of this utility model is to solve the above-mentioned existing problems and provide a simple and reasonable base connection structure for a cooking pot.
[0004] A base connection structure for a cooking pot includes a bottom shell and an upper shell. The bottom shell and the upper shell are interconnected by a number of fastening structures to form a base cavity. A heating coil is disposed in the base cavity. Several lower connecting plates extend from the bottom wall of the bottom shell and surround the heating coil. Several upper connecting plates extend from the top wall of the upper shell relative to the lower connecting plates and surround the heating coil. The upper connecting plates are provided with upper fastening parts, and the lower connecting plates are provided with lower fastening parts. The bottom shell and the upper shell are fastened and fixed by the cooperation of the upper fastening parts and the lower fastening parts.
[0005] The objective of this utility model can also be achieved by the following technical measures:
[0006] As a more specific embodiment, the upper connecting plate and the lower connecting plate are fitted together in an inner and outer manner, and are arranged to abut or abut against each other. The upper fastening part and the lower fastening part are respectively arranged at the height position where the upper connecting plate and the lower connecting plate overlap.
[0007] As a further embodiment, one of the upper and lower fastening portions is a fastening interface, and the other of the upper and lower fastening portions is a fastening protrusion, which extends on the sidewall of the upper or lower connecting plate facing the fastening interface.
[0008] As a further solution, the aforementioned fastening structures are all located on the periphery of the upper connecting plate and the lower connecting plate.
[0009] As a further embodiment, the upper connecting plate is embedded inside the lower connecting plate, and an upper support plate is connected to the back of the upper connecting plate. The upper support plate is perpendicular to the upper connecting plate, and a positioning slot is provided between the bottom end of the upper support plate and the upper connecting plate. The positioning slot is engaged with the top end of the lower connecting plate.
[0010] As a further option, each lower connecting plate has two or more lower support plates extending from its back, with any one of the lower support plates perpendicular to the lower connecting plate, and the bottom end of the lower support plate being integrally connected to the bottom wall of the bottom shell.
[0011] As a further solution, an upper connecting plate and a lower connecting plate that cooperate to form a connecting group, with a connecting gap between adjacent connecting groups; the total area of multiple connecting groups surrounding the heating coil is greater than the total area of multiple connecting gaps covering the heating coil.
[0012] As a further embodiment, the bottom wall of the bottom shell extends into a lower circular enclosure, and several lower connecting plates are integrally connected to the top of the lower circular enclosure; the top wall of the upper shell has an upper shell opening, and an upper circular enclosure extends along the edge of the upper shell opening, and several upper connecting plates are integrally connected to the bottom of the upper circular enclosure.
[0013] As a further embodiment, a heat dissipation cavity is defined between the shell walls of the bottom shell and the upper shell and multiple sets of connecting groups, and a control system electrically connected to the heating coil is provided in the heat dissipation cavity.
[0014] As a further embodiment, the fastening structure includes an upper connecting column and a lower connecting column. The lower connecting column is formed by stretching upward from the bottom wall of the bottom shell, and the upper connecting column is formed by stretching downward from the top wall of the upper shell. The fastening unit passes through the lower connecting column and the upper connecting column in sequence to achieve the assembly connection between the bottom shell and the upper shell.
[0015] The beneficial effects of this utility model are as follows:
[0016] This utility model discloses a base connection structure for a cooking pot. Before the bottom shell and the upper shell are connected by a fastening structure, the base structure can be pre-fixed by the fastening structure between the upper and lower connecting plates during the jointing process, so that the upper and lower parts of the fastening structure can be aligned.
[0017] In addition, the bottom shell and the top shell can be joined evenly, and when fastening the structure, it is not necessary to use a diagonal fastening method to tighten the screws, which simplifies the processing difficulty of the base and improves production efficiency.
[0018] Furthermore, both the upper and lower connecting plates are surrounded by the heating coil, thus providing heat insulation and reducing heat loss to the entire base cavity, which could affect the lifespan of the control circuit board and better protect it. Attached Figure Description
[0019] Figure 1 This is a side view of the cross-sectional structure of the base in this utility model.
[0020] Figure 2 This is a schematic diagram of the bottom shell structure of this utility model.
[0021] Figure 3 This is a schematic diagram of the upper shell structure of this utility model.
[0022] Figure 4 This is a schematic diagram of the interlocking structure of the upper and lower connecting plates of this utility model.
[0023] Figure 5 This is a schematic diagram of the cross-sectional structure (horizontal plane) of the base in this utility model. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0025] See Figures 1 to 5 As shown, a base connection structure for a cooking pot includes a bottom shell 1 and an upper shell 2. The bottom shell 1 and the upper shell 2 are interconnected by several sets of fastening structures 8 to form a base cavity 3. A heating coil 4 is provided in the base cavity 3. Several lower connecting plates 5 extend from the bottom wall of the bottom shell 1 and surround the heating coil 4. Several upper connecting plates 6 extend from the top wall of the upper shell 2 relative to the lower connecting plates 5 and surround the heating coil 4. The upper connecting plates 6 are provided with upper fastening parts, and the lower connecting plates 5 are provided with lower fastening parts. Through the cooperation of the upper fastening parts and the lower fastening parts, the bottom shell 1 and the upper shell 2 are fastened and fixed.
[0026] Before the bottom shell 1 and the upper shell 2 are connected by the fastening structure 8, this base structure can be pre-fixed by the fastening structure between the upper connecting plate 6 and the lower connecting plate 5 during the jointing process, so that the upper and lower parts of the fastening structure 8 can be aligned.
[0027] Furthermore, the bottom shell 1 and the upper shell 2 can be evenly joined, eliminating the need for diagonal tightening of screws during the fastening operation, thus simplifying the processing difficulty of the base and improving production efficiency.
[0028] In addition, the upper connecting plate 6 and the lower connecting plate 5 are both surrounding the heating coil 4, thus providing heat insulation and reducing heat dissipation into the entire base cavity 3, which would affect the working life of the control circuit board and better protect the control circuit board.
[0029] The upper connecting plate 6 and the lower connecting plate 5 are fitted together and abutted or attached to each other. The upper and lower fastening parts are respectively located at the height positions where the upper connecting plate 6 and the lower connecting plate 5 overlap.
[0030] One of the upper and lower fastening parts is a fastening interface 61, and the other is a fastening protrusion 51. The fastening protrusion 51 extends on the side wall of the upper connecting plate 6 or the lower connecting plate 5 facing the fastening interface 61. The fastening interface 61 and the fastening protrusion 51 can achieve quick fastening and fixation, and are easy to install and remove.
[0031] In other embodiments, the upper and lower fastening parts can be vertically extending hooks, which are fastened together to achieve fixation.
[0032] The aforementioned fastening structures 8 are all arranged around the upper connecting plate 6 and the lower connecting plate 5; this structure enables the outer periphery of the bottom shell 1 and the upper shell 2 to be fixedly connected by the fastening structures 8, while the middle position of the bottom shell 1 and the upper shell 2 is fastened together by the upper connecting plate 6 and the lower connecting plate 5.
[0033] The upper connecting plate 6 is embedded inside the lower connecting plate 5, and the back of the upper connecting plate 6 is connected to an upper support plate 62. The upper support plate 62 is perpendicular to the upper connecting plate 6, and a positioning slot 621 is provided between the bottom end of the upper support plate 62 and the upper connecting plate 6. The positioning slot 621 is engaged with the top end of the lower connecting plate 5.
[0034] The upper support plate 62 can enhance the strength of the upper connecting plate 6, prevent the upper connecting plate 6 from breaking during fastening, and ensure that the upper connecting plate 6 can maintain its strength in high-temperature environments. After the lower connecting plate 5 is inserted into the positioning slot 621, it ensures that the lower connecting plate 5 and the upper connecting plate 6 abut against each other, which helps the upper and lower fastening parts to cooperate.
[0035] Each lower connecting plate 5 has two or more lower support plates 52 extending from its back. Any one of the lower support plates 52 is perpendicular to the lower connecting plate 5, and the bottom end of the lower support plate 52 is integrally connected to the bottom wall of the bottom shell 1. The lower support plate 52 can improve the strength of the lower connecting plate 5, prevent the lower connecting plate 5 from breaking during fastening, and enable the lower connecting plate 5 to maintain its strength in high temperature environments.
[0036] An upper connecting plate 6 and a lower connecting plate 5 that cooperate to form a connecting group A, and a connecting notch B is provided between two adjacent connecting groups A; the total area of multiple connecting groups A surrounding the heating ring 4 is greater than the total area of multiple connecting notches B covering the heating ring 4.
[0037] In this embodiment, a heating coil mounting bracket 10 is connected to the bottom shell 1 or the upper shell 2. The heating coil mounting bracket 10 can extend into the inner side of the connecting group A through the connecting notch B and be assembled with the heating coil 4. The connecting group A, which has a wider coverage area, can block heat to the maximum extent and improve the heat insulation effect.
[0038] The bottom wall of the bottom shell 1 extends into a lower circular wall 53, and several lower connecting plates 5 are integrally connected to the top of the lower circular wall 53; the top wall of the upper shell 2 has an upper shell opening 201, and an upper circular wall 63 extends along the edge of the upper shell opening 201, and several upper connecting plates 6 are integrally connected to the bottom of the upper circular wall 63.
[0039] When the lower connecting plate 5 and the upper connecting plate 6 are directly and integrally connected to the bottom shell 1 and the upper shell 2, the connection between the lower connecting plate 5 and the upper connecting plate 6 is relatively weak and is easily bent or broken. Therefore, by using the lower circular wall 53 and the upper circular wall 63 to integrally form the lower connecting plate 5 and the upper connecting plate 6, the strength of the lower connecting plate 5 and the upper connecting plate 6 can be improved, and it is also easier to demold during production.
[0040] In addition, the base structure also includes a heating panel 9, which covers the upper side of the upper shell opening 201 and forms a support area for placing the heating container.
[0041] The shell walls of the bottom shell 1 and the upper shell 2 define a heat dissipation cavity 301 between the multiple sets of connecting groups A. A control system 7 electrically connected to the heating coil 4 is provided in the heat dissipation cavity 301. The control system 7 mainly includes a control circuit board, which can be isolated from the heating coil 4 to reduce heat radiation to the control circuit board. Moreover, the control circuit board is arranged in the heat dissipation cavity 301, and there is also a heat dissipation air duct to cool the control circuit board.
[0042] In this embodiment, the fastening structure 8 adopts a conventional connection, mainly including an upper connecting post 81 and a lower connecting post 82. The lower connecting post 82 is formed by stretching the bottom wall of the bottom shell 1 upward, and the upper connecting post 81 is formed by stretching the top wall of the upper shell 2 downward. Fastening units such as screws pass through the lower connecting post 82 and the upper connecting post 81 in sequence to realize the assembly connection of the bottom shell 1 and the upper shell 2.
[0043] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.
Claims
1. A base connection structure for a cooking pot, comprising a bottom shell (1) and an upper shell (2), wherein the bottom shell (1) and the upper shell (2) are interconnected by a plurality of fastening structures (8) to form a base cavity (3), wherein a heating coil (4) is disposed in the base cavity (3), characterized in that: The bottom wall of the bottom shell (1) extends with several lower connecting plates (5) surrounding the heating coil (4). The top wall of the upper shell (2) extends with several upper connecting plates (6) surrounding the heating coil (4) relative to the lower connecting plates (5). The upper connecting plates (6) are provided with upper fastening parts, and the lower connecting plates (5) are provided with lower fastening parts. Through the cooperation of the upper fastening parts and the lower fastening parts, the bottom shell (1) and the upper shell (2) are fastened and fixed.
2. The base connection structure of a cooking pot according to claim 1, characterized in that: The upper connecting plate (6) and the lower connecting plate (5) are fitted together and abutted or attached to each other. The upper fastening part and the lower fastening part are respectively located at the height position where the upper connecting plate (6) and the lower connecting plate (5) overlap.
3. The base connection structure of a cooking pot according to claim 2, characterized in that: One of the upper and lower fastening parts is a fastening interface (61), and the other of the upper and lower fastening parts is a fastening protrusion (51), which extends on the side wall of the upper connecting plate (6) or the lower connecting plate (5) facing the fastening interface (61).
4. The base connection structure of a cooking pot according to claim 1, characterized in that: The aforementioned fastening structures (8) are all located around the upper connecting plate (6) and the lower connecting plate (5).
5. The base connection structure of a cooking pot according to any one of claims 1-3, characterized in that: The upper connecting plate (6) is embedded inside the lower connecting plate (5), and the back of the upper connecting plate (6) is connected to an upper support plate (62). The upper support plate (62) is perpendicular to the upper connecting plate (6), and a positioning slot (621) is provided between the bottom end of the upper support plate (6) and the upper connecting plate (6). The positioning slot (621) is engaged with the top end of the lower connecting plate (5).
6. The base connection structure of a cooking pot according to any one of claims 1-3, characterized in that: Each lower connecting plate (5) has two or more lower support plates (52) extending from its back side. Any one of the lower support plates (52) is perpendicular to the lower connecting plate (5), and the bottom end of the lower support plate (52) is integrally connected to the bottom wall of the bottom shell (1).
7. The base connection structure of a cooking pot according to claim 1, characterized in that: A connecting plate (6) and a connecting plate (5) that work together form a connecting group (A), and a connecting gap (B) is provided between two adjacent connecting groups (A); the total area of multiple connecting groups (A) surrounding the heating ring (4) is greater than the total area of multiple connecting gaps (B) covering the heating ring (4).
8. The base connection structure of a cooking pot according to claim 1, characterized in that: The bottom shell (1) has a lower circular wall (53) extending from its bottom wall surface, and several lower connecting plates (5) are integrally connected to the top of the lower circular wall (53); the top wall surface of the upper shell (2) has an upper shell opening (201), and an upper circular wall (63) extends along the edge of the upper shell opening (201), and several upper connecting plates (6) are integrally connected to the bottom of the upper circular wall (63).
9. The base connection structure of a cooking pot according to claim 7, characterized in that: The shell walls of the bottom shell (1) and the upper shell (2) define a heat dissipation cavity (301) between the shell walls and multiple sets of connecting groups (A), and a control system (7) electrically connected to the heating coil (4) is provided in the heat dissipation cavity (301).
10. The base connection structure of a cooking pot according to claim 1, characterized in that: The fastening structure (8) includes an upper connecting column (81) and a lower connecting column (82). The lower connecting column (82) is formed by stretching upward from the bottom wall of the bottom shell (1), and the upper connecting column (81) is formed by stretching downward from the top wall of the upper shell (2). The fastening unit passes through the lower connecting column (82) and the upper connecting column (81) in sequence to realize the assembly connection of the bottom shell (1) and the upper shell (2).