Electric heating base

Abstract

The electric heating base comprises a bottom shell, a panel, an electric connector, a supporting frame, a weight sensor and a control circuit board, a containing cavity is formed in the bottom shell, the panel covers an opening in the upper portion of the containing cavity, a through opening is formed in the panel, the electric connector is fixed to the supporting frame, the supporting frame is movably arranged on the through opening of the panel, and the weight sensor is arranged on the supporting frame. The device is characterized in that the device further comprises a waterproof piece and a connecting piece, the waterproof piece is provided with a waterproof protruding part, the waterproof piece is fixed to the through opening, the waterproof protruding part is arranged on the panel on the periphery of the through opening in a supported mode, one end of the supporting frame is fixedly connected with the connecting piece, and the weight sensor is provided with a first connecting end, a second connecting end and an elastic sensing end. The first connecting end is fixedly connected with the connecting piece, the second connecting end is connected with the bottom of the panel, and the elastic sensing end is electrically connected with the control circuit board; according to the electric heating base, the waterproof piece is arranged on the through opening, and the waterproof piece has a good waterproof effect and is simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to an electric heating base. Background Art

[0002] Existing electric heating bases, such as electric heating bases for kettles, see Chinese Utility Model Patent No.: 2022234727048, Name: A Drainage Kettle, Authorization Announcement Date: June 2, 2023, which includes: a base, a weighing unit arranged on the base, a support plate supported on the weighing unit, a drainage plate arranged on the support plate, a support frame arranged on the support plate, and a kettle body supported on the support frame and located above the drainage plate; the drainage plate is located directly above the weighing unit.

[0003] The kettle is provided with a drain pan so that a small amount of water entering the inner cavity of the base through the opening on the base falls into the drain pan and is finally discharged to the bottom of the inner cavity of the base through the drain port of the drain pan, thereby preventing the small amount of water from affecting the normal operation of the weighing unit.

[0004] However, the base of the above structure still has the following shortcomings: (1) In order to enable the drain pan to catch the water dripping through the opening of the base, the overall volume of the drain pan needs to be made larger. At the same time, the drain pan is also provided with a drain port for drainage and a connection structure for connecting with the support plate. The overall structure of the drain pan is complex and the installation requirements are high, resulting in a complex overall structure of the product; (2) The water on the drain pan is discharged to the bottom of the inner cavity of the base through the drain port, which may affect some electrical components located in the inner cavity of the base, causing damage to the electrical components, posing certain safety hazards. Utility Model Content

[0005] The utility model aims to solve the above-mentioned deficiencies in the prior art and to provide an electric heating base with a waterproof member to prevent water from entering the accommodating cavity, which is safe to use and has a simple waterproof member structure.

[0006] The purpose of the utility model is achieved in this way:

[0007] An electric heating base, comprising a bottom shell, a panel, an electric connector, a support frame, a weight sensor and a control circuit board, wherein the bottom shell is provided with a receiving cavity, the control circuit board is placed in the receiving cavity, the panel covers the upper opening of the receiving cavity, the panel is provided with a through hole, the electric connector is fixed on the support frame, the support frame is movably arranged on the through hole of the panel, and the characteristic is that it also comprises a waterproof member and a connecting member, the waterproof member is provided with a waterproof convex portion, the waterproof member is fixed on the through hole and the waterproof convex portion is supported on the panel at the periphery of the through hole, one end of the support frame is connected to the through hole of the panel, and the waterproof convex portion is supported on the panel at the periphery of the through hole. The connecting piece is fixedly connected, and the weight sensor is provided with a first connecting end, a second connecting end and an elastic sensing end, the first connecting end is fixedly connected to the connecting piece, the second connecting end is connected to the bottom of the panel, and the elastic sensing end is electrically connected to the control circuit board; this electric heating base, by providing a waterproof piece on the through-opening, the waterproof protrusion on the waterproof piece can well prevent water dripping on the panel from entering the accommodating cavity of the bottom shell through the through-opening, so that the weight sensor and the control circuit board in the accommodating cavity can work normally, ensuring the overall safety of the product. At the same time, the overall structure of the waterproof piece is also relatively simple.

[0008] The purpose of the utility model can also be solved by the following technical measures:

[0009] Specifically, the waterproof component is a hollow waterproof ring, the waterproof convex portion extends outward from the upper periphery of the hollow waterproof ring, and the hollow waterproof ring is sleeved on the through opening; the hollow waterproof ring has a simple structure and is relatively easy to install on the through opening.

[0010] Specifically, a first connecting column is arranged on the inner side of the hollow waterproof ring, a connecting screw hole is opened on the bottom surface of the first connecting column, a second connecting column is arranged on the inner circumference of the through-opening corresponding to the position of the first connecting column, and a connecting screw passes through the second connecting column from bottom to top and is connected to the connecting screw hole, so that the hollow waterproof ring can be firmly installed on the through-opening.

[0011] Specifically, the hollow waterproof ring is an integrally formed plastic ring, so that the manufacture of the hollow waterproof ring is convenient.

[0012] Specifically, an annular positioning groove is provided at the lower inner portion of the through-hole, and a positioning protrusion is provided at the lower portion of the hollow waterproof ring, and the positioning protrusion extends into the annular positioning groove; through the cooperation between the positioning protrusion and the annular positioning groove, the hollow waterproof ring is better positioned when installed on the through-hole, thereby facilitating the installation of the hollow waterproof ring.

[0013] Specifically, the connecting member is a connecting disk, the periphery of which is folded upward to form a connecting cavity, and a reinforcing rib is arranged in the connecting cavity; the reinforcing rib can improve the strength of the connecting cavity itself and ensure the stable connection between the connecting cavity and the support frame and the weight sensor.

[0014] Specifically, the connecting cavity includes a left cavity portion, a middle cavity portion and a right cavity portion, and the weight sensors are connected to the left cavity portion and the right cavity portion. One end of the support frame extends downward into the accommodating cavity and is connected to the middle cavity portion of the connecting piece. The two weight sensors sense the movement of the support frame more evenly and stably. Furthermore, the left cavity portion, the middle cavity portion and the right cavity portion each independently cooperate with the support frame and the weight sensor, and the implementation effect is better.

[0015] Specifically, the left cavity and the right cavity are both provided with a connecting protrusion, a first through hole is opened on the connecting protrusion, the first connecting end is a first screw hole, and the first screw passes through the first through hole from bottom to top and is connected to the first screw hole; so that the weight sensor can be stably connected to the corresponding left cavity or right cavity; at the same time, the connecting protrusion can also play a good role in supporting the weight sensor.

[0016] Specifically, a second through hole is provided on the middle cavity, a support column is extended downward from the support frame, a second screw hole is opened on the support column, and a second screw passes through the second through hole from bottom to top and is connected to the second screw hole; so that the connection between the middle cavity and the support frame is stable.

[0017] The beneficial effects of the utility model are as follows:

[0018] (1) This electric heating base has a waterproof member arranged on the through-hole. The waterproof protrusion on the waterproof member can effectively prevent water dripping on the panel from entering the accommodating cavity of the bottom shell through the through-hole, so that the weight sensor and the control circuit board in the accommodating cavity can work normally, ensuring the overall safety of the product. At the same time, the overall structure of the waterproof member is also relatively simple.

[0019] (2) Strengthening the convex ribs can improve the inherent strength of the connection cavity and ensure the stability of the connection between the connection cavity and the support frame and weight sensor.

[0020] (3) The two weight sensors sense the movement of the support frame more evenly and stably. Furthermore, the left cavity, the middle cavity and the right cavity are independently coordinated with the support frame and the weight sensor, and the implementation effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the electric heating base of the utility model.

[0022] Figure 2 It is a cross-sectional view of the electric heating base of the utility model.

[0023] Figure 3 for Figure 2 Enlarged view of point A.

[0024] Figure 4 for Figure 2 Enlarged view of point B.

[0025] Figure 5 It is a three-dimensional diagram of the connecting piece of the present utility model.

[0026] Figure 6 It is a three-dimensional diagram of the weight sensor of the present utility model.

[0027] Figure 7 This is a disassembled diagram of the electric heating base of the utility model.

[0028] Figure 8 for Figure 7 Schematic diagram from another angle.

[0029] Fig. 9 It is a schematic diagram of placing the kettle body on the electric heating base of the utility model. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0031] Example, combined with Figures 1 to 9 As shown, an electric heating base includes a bottom shell 1, a panel 2, an electric connector 3, a support frame 4, a weight sensor 5 and a control circuit board 6. The bottom shell 1 is provided with a receiving cavity 11, and the control circuit board 6 is placed in the receiving cavity 11. The panel 2 covers the upper opening of the receiving cavity 11. The panel 2 is provided with a through hole 21. The electric connector 3 is fixed on the support frame 4. The support frame 4 is movably arranged on the through hole 21 of the panel 2. It is characterized in that it also includes a waterproof member 7 and a connecting member. The connecting member 8 is provided with a waterproof protrusion 71 on the waterproof member 7, the waterproof member 7 is fixed to the through-hole 21 and the waterproof protrusion 71 is supported on the panel 2 at the periphery of the through-hole 21, one end of the support frame 4 is fixedly connected to the connecting member 8, and the weight sensor 5 is provided with a first connecting end 51, a second connecting end 52 and an elastic sensing end 53, the first connecting end 51 is fixedly connected to the connecting member 8, the second connecting end 52 is connected to the bottom of the panel 2, and the elastic sensing end 53 is electrically connected to the control circuit board 6.

[0032] As a specific solution, the waterproof component 7 is a hollow waterproof ring, the waterproof protrusion 71 extends outward from the upper periphery of the hollow waterproof ring, and the hollow waterproof ring is sleeved on the through opening 21.

[0033] In this embodiment, a first connecting column 72 is arranged on the inner side of the hollow waterproof ring, and a connecting screw hole 721 is opened on the bottom surface of the first connecting column 72. A second connecting column 211 is arranged on the inner periphery of the through-hole 21 corresponding to the position of the first connecting column 72. A connecting screw passes through the second connecting column 211 from bottom to top and is connected to the connecting screw hole 721; the connecting screw is not shown.

[0034] In this embodiment, the hollow waterproof ring is an integrally formed plastic ring.

[0035] As a more preferred embodiment, an annular positioning groove 212 is provided at the inner lower portion of the through hole 21 , and a positioning protrusion 73 is provided at the lower portion of the hollow waterproof ring, and the positioning protrusion 73 extends into the annular positioning groove 212 .

[0036] As a more specific solution, the connecting member 8 is a connecting disk, the periphery of which is folded upward to enclose a connecting cavity 81 , and a reinforcing rib 82 is provided in the connecting cavity 81 .

[0037] In this embodiment, the connecting cavity 81 includes a left cavity portion 811, a middle cavity portion 812 and a right cavity portion 813, and the weight sensor 5 is connected to the left cavity portion 811 and the right cavity portion 813. One end of the support frame 4 extends downward into the accommodating cavity 11 and is connected to the middle cavity portion 812 of the connecting member 8.

[0038] In this embodiment, the left cavity 811 and the right cavity 813 are both provided with a connecting protrusion 83, a first through hole 831 is opened on the connecting protrusion 83, the first connecting end 51 is a first screw hole, and the first screw 84 passes through the first through hole 831 from bottom to top and is connected to the first screw hole.

[0039] In this embodiment, a second through hole 85 is provided on the middle cavity 812, and a support column 41 extends downward from the support frame 4. A second screw hole 411 is opened on the support column 41, and a second screw 86 passes through the second through hole 85 from bottom to top and is connected to the second screw hole 411.

[0040] like Fig. 9 As shown, when the kettle body 9 is placed on the support frame 4 of the panel 2, the weight of the kettle body 9 presses down the support frame 4 so that the support frame 4 moves down a certain distance, and the connecting member 8 moves down a certain distance together with the support frame 4, so that the connecting member 8 drives the elastic sensing end 53 of the weight sensor 5 to elastically deform downward, so that the elastic sensing end 53 of the weight sensor 5 will transmit a signal to the control circuit board 6, so that the control circuit board 6 can control the electrical components to perform corresponding work.

Claims

1. An electric heating base, comprising a bottom shell (1), a panel (2), an electric connector (3), a support frame (4), a weight sensor (5) and a control circuit board (6), wherein the bottom shell (1) is provided with a receiving cavity (11), the control circuit board (6) is placed in the receiving cavity (11), the panel (2) covers the upper opening of the receiving cavity (11), the panel (2) is provided with a through hole (21), the electric connector (3) is fixed on the support frame (4), and the support frame (4) is movably arranged on the through hole (21) of the panel (2), wherein the electric connector (3) is fixed on the support frame (4), and the support frame (4) is movably arranged on the through hole (21) of the panel (2), wherein the electric connector (3) is fixed on the support frame (4), and the support frame (4) is movably arranged on the through hole (21) of the panel (2), wherein the electric connector (3) is fixed on the support frame (4), and the weight sensor (5) is movably arranged on the through hole (21) of the panel (2), wherein the electric connector (3) is fixed on the support frame (4), and the weight sensor (5) is movably arranged on the through hole (21) of the panel (2), and ... The invention also comprises a waterproof component (7) and a connecting component (8), wherein the waterproof component (7) is provided with a waterproof protrusion (71), the waterproof component (7) is fixed to the through-hole (21), and the waterproof protrusion (71) is supported on the panel (2) at the periphery of the through-hole (21), one end of the support frame (4) is fixedly connected to the connecting component (8), and the weight sensor (5) is provided with a first connecting end (51), a second connecting end (52) and an elastic sensing end (53), the first connecting end (51) is fixedly connected to the connecting component (8), the second connecting end (52) is connected to the bottom of the panel (2), and the elastic sensing end (53) is electrically connected to the control circuit board (6).

2. The electric heating base according to claim 1, characterized in that: The waterproof component (7) is a hollow waterproof ring, the waterproof convex portion (71) extending outward from the upper periphery of the hollow waterproof ring, and the hollow waterproof ring is sleeved on the through opening (21).

3. The electric heating base according to claim 2, characterized in that: A first connecting column (72) is arranged on the inner side of the hollow waterproof ring, a connecting screw hole (721) is provided on the bottom surface of the first connecting column (72), a second connecting column (211) is arranged on the inner circumference of the through hole (21) at a position corresponding to the first connecting column (72), and a connecting screw passes through the second connecting column (211) from bottom to top and is connected to the connecting screw hole (721).

4. The electric heating base according to claim 3, characterized in that: The hollow waterproof ring is an integrally formed plastic ring.

5. The electric heating base according to claim 3, characterized in that: An annular positioning groove (212) is provided at the inner lower part of the through opening (21), and a positioning convex portion (73) is provided at the lower part of the hollow waterproof ring, and the positioning convex portion (73) extends into the annular positioning groove (212).

6. The electric heating base according to claim 1, characterized in that: The connecting piece (8) is a connecting disk, the periphery of which is folded upward to enclose a connecting cavity (81), and a reinforcing rib (82) is provided in the connecting cavity (81).

7. The electric heating base according to claim 6, characterized in that: The connecting cavity (81) comprises a left cavity portion (811), a middle cavity portion (812) and a right cavity portion (813), the left cavity portion (811) and the right cavity portion (813) being connected to the weight sensor (5), and one end of the supporting frame (4) extending downward into the accommodating cavity (11) and connected to the middle cavity portion (812) of the connecting member (8).

8. The electric heating base according to claim 7, characterized in that: The left cavity (811) and the right cavity (813) are both provided with a connecting protrusion (83), the connecting protrusion (83) is provided with a first through hole (831), the first connecting end (51) is a first screw hole, and the first screw (84) passes through the first through hole (831) from bottom to top and is connected to the first screw hole.

9. The electric heating base according to claim 7, characterized in that: The middle cavity (812) is provided with a second through hole (85), the support frame (4) is provided with a support column (41) extending downward, the support column (41) is provided with a second screw hole (411), and the second screw (86) passes through the second through hole (85) from bottom to top and is connected to the second screw hole (411).

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