Simple assembly structure of mica heating disc

Abstract

The utility model discloses a mica heating disc simple assembling structure which comprises a heat preservation cover and a heating assembly which are arranged in an electric cooker, a protruding portion is arranged in the middle of the bottom face of the heat preservation cover, a plurality of clamping positions are arranged on the edge of the protruding portion, and the heating assembly sequentially comprises an upper cover, a first insulation sheet, a heating source and a second insulation sheet from top to bottom. The appearance of the upper cover is matched with the protruding part, a plurality of clamping columns used for being inserted into the clamping positions are arranged on the edge of the upper cover, the bottoms of the clamping columns are bent to form clamping claws, and a plurality of water leakage holes are formed in the outer side of the edge of the protruding part. The clamping positions on the heat preservation cover are matched with the clamping jaws of the upper cover, in the assembling process, only the clamping columns of the upper cover need to be inserted into the clamping positions, then the ends of the clamping columns are bent into the clamping jaws, then the clamping columns can be clamped and fixed to the heat preservation cover, a chassis assembly is omitted, the production cost is saved, meanwhile, the assembling process is fast, simple and convenient, and a large amount of manpower and material resources are saved; and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of electric rice cookers, in particular to a simple assembly structure of a mica heating plate. Background Art

[0002] In the prior art, a mica heating plate used as a heat source is usually fixed to the insulation cover of an electric rice cooker by bolts. The common mica heating plate consists of an upper cover and a bottom plate, between which a mica plate and a heating wire are pressed. During the assembly process of the mica heating plate, workers need to screw the installation points one by one. It is difficult to ensure the flatness of the mica heating plate during the assembly process. In addition, the mica heating plate has many components, and the initial assembly process is time-consuming and labor-intensive, resulting in low assembly efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a simple assembly structure of a mica heating plate to solve the above problems.

[0004] According to one aspect of the utility model, a simple assembly structure of a mica heating plate is provided, comprising: a heat-insulating cover and a heating component arranged in an electric rice cooker, a raised portion arranged in the middle of the bottom surface of the heat-insulating cover, a plurality of latching positions provided on the edge of the raised portion, the heating component comprising, from top to bottom, an upper cover, a first insulating sheet, a heat source and a second insulating sheet, the shape of the upper cover matching the raised portion, a plurality of latching columns for inserting into the latching positions provided on the edge of the upper cover, the bottom of the latching column being bent to form a latching claw, and a plurality of water leakage holes being provided on the outer side of the edge of the raised portion.

[0005] In some embodiments, a through hole for a pin to pass through is formed on one side of the raised portion, and the pin is electrically connected to the heat source.

[0006] In some embodiments, the heat source includes a mica board and a heating wire, two ends of the heating wire are respectively disposed in the pins, and a middle portion of the heating wire is wound around the mica board.

[0007] In some embodiments, the first insulating sheet and the second insulating sheet are both mica sheets.

[0008] In some embodiments, both the first insulating sheet and the second insulating sheet are provided with a notch extending from the middle toward the outside.

[0009] In some embodiments, a first mounting hole for the sensor to pass through is provided in the middle of the raised portion, a second mounting hole is provided in the middle of the upper cover corresponding to the first mounting hole, a sleeve portion is provided on the edge of the second mounting hole extending downward, and the bottom edge of the sleeve portion is bent outward to form a bent edge, and the bent edge abuts against the bottom of the first mounting hole.

[0010] In some embodiments, three latching positions are evenly distributed on the edge of the raised portion, the angle between each latching position is 120°, and three latching columns are provided on the edge of the upper cover corresponding to the latching positions.

[0011] In some embodiments, six latching positions are evenly distributed on the edge of the raised portion, the angle between each latching position is 60°, and six latching columns are provided on the edge of the upper cover corresponding to the latching positions.

[0012] Compared with the prior art, the beneficial effects of this application are:

[0013] The present application cooperates with the latching position on the thermal insulation cover and the latching claw of the upper cover. During the assembly process, it is only necessary to insert the latching column of the upper cover into the latching position, and then bend the end of the latching column into a latching claw to engage and fix it on the thermal insulation cover. The present application eliminates the chassis assembly, saves production costs, and the assembly process is quick and easy, saving a lot of manpower and material resources and improving assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the heating component of the present invention;

[0016] Figure 3 This is a schematic diagram of the bottom structure of the thermal insulation cover of the present invention;

[0017] Figure 4 for Figure 1 A magnified view of center. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] refer to Figures 1 to 4The present application provides a simple assembly structure of a mica heating plate, comprising: a heat preservation cover 1 and a heating component 2 arranged in an electric rice cooker, a raised portion 3 arranged in the middle of the bottom surface of the heat preservation cover 1, and a plurality of latching positions 4 arranged on the edge of the raised portion 3. The heating component 2 comprises, from top to bottom, an upper cover 5, a first insulating sheet 6, a heat source 7 and a second insulating sheet 8. The shape of the upper cover 5 matches the raised portion 3. The edge of the upper cover 5 is provided with a plurality of latching columns 9 for inserting into the latching positions 4. The bottom of the latching column 9 is bent to form a latching claw, and a plurality of water leakage holes 10 are opened on the outer side of the edge of the raised portion 3.

[0020] When water overflows onto the upper cover 5, the water will flow around along the arc of the upper cover 5, and finally fall around the raised portion 3 and be discharged through the water leakage hole 10, thus preventing the charged part inside the heating component 2 from contacting the water and causing a short circuit.

[0021] In some embodiments, a through hole 12 for the plug pin 11 to pass through is formed on one side of the raised portion 3 , and the plug pin 11 is electrically connected to the heat source 7 .

[0022] In some embodiments, the heat source 7 includes a mica board and a heating wire. The two ends of the heating wire are respectively arranged in the pins 11, and the middle part of the heating wire is wrapped around the mica board. The heating wire is energized to generate heat to provide heat to the heating component 2.

[0023] In some embodiments, the first insulating sheet 6 and the second insulating sheet 8 are both mica sheets. Mica sheets have good insulation properties and prevent the heating wire from contacting the thermal insulation cover 1.

[0024] In some embodiments, the first insulating sheet 6 and the second insulating sheet 8 are both provided with a notch extending from the middle to the outside, the middle of the mica board wrapped with the heating wire is a convex structure, and the first insulating sheet 6 and the second insulating sheet 8 have a notch that allows them to fit the convex portion 3.

[0025] In some embodiments, a first mounting hole 13 for the sensor to pass through is provided in the middle of the raised portion 3, and a second mounting hole 14 is provided in the middle of the upper cover 5 corresponding to the first mounting hole 13. The edge of the second mounting hole 14 is provided with a sleeve portion extending downward, and the bottom edge of the sleeve portion is bent outward to form a bent edge, which abuts against the bottom of the first mounting hole 13. The structure of the bent edge enhances the bonding between the thermal insulation cover 1 and the heating component 2, and further prevents the heating component 2 from being displaced.

[0026] In the first embodiment, three latching positions 4 are evenly distributed on the edge of the protrusion 3 , and the angle between each latching position 4 is 120°. Three latching columns 9 are provided on the edge of the upper cover 5 corresponding to the latching positions 4 .

[0027] In the second embodiment, six latching positions 4 are evenly distributed on the edge of the protrusion 3 , and the angle between each latching position 4 is 60°. Six latching columns 9 are provided on the edge of the upper cover 5 corresponding to the latching positions 4 .

[0028] The specific installation process of this application is: place the upper cover 5 upside down on the workbench, and then stack the first insulating sheet 6, the heating component 2 and the second insulating sheet 8 in sequence on the bottom surface of the upper cover 5, and then insert the clamping position 4 of the thermal insulation cover 1 along the clamping column 9, and bend the end of the clamping column 9 to form a claw to fix the heating component 2 and the thermal insulation cover 1.

[0029] The present application cooperates the latching position 4 on the heat-insulating cover 1 with the latching claw of the upper cover 5. During the assembly process, it is only necessary to insert the latching column 9 of the upper cover 5 into the latching position 4, and then bend the end of the latching column 9 into a latching claw to engage and fix it on the heat-insulating cover 1. The present application eliminates the chassis assembly, saves production costs, and the assembly process is quick and easy, saving a lot of manpower and material resources, and improving assembly efficiency.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A simple assembly structure of a mica heating plate, characterized in that: include: An insulation cover and a heating component are arranged in the rice cooker, a raised portion is arranged in the middle of the bottom surface of the insulation cover, and a plurality of latching positions are arranged on the edge of the raised portion. The heating component includes an upper cover, a first insulating sheet, a heat source and a second insulating sheet from top to bottom. The shape of the upper cover matches the raised portion, and a plurality of latching columns for inserting into the latching positions are arranged on the edge of the upper cover. The bottom of the latching column is bent to form a latching claw, and a plurality of water leakage holes are opened on the outer side of the edge of the raised portion.

2. The simplified assembly structure of the mica heating plate according to claim 1, characterized in that: A through hole for a pin to pass through is provided on one side of the raised portion, and the pin is electrically connected to the heat source.

3. The simplified assembly structure of the mica heating plate according to claim 2, characterized in that: The heat source includes a mica board and a heating wire. Two ends of the heating wire are respectively arranged in the plug pins, and the middle part of the heating wire is wound around the mica board.

4. The simplified assembly structure of the mica heating plate according to claim 1, characterized in that: The first insulating sheet and the second insulating sheet are both mica sheets.

5. The simplified assembly structure of the mica heating plate according to claim 4, characterized in that: The first insulating sheet and the second insulating sheet are both provided with a notch extending from the middle toward the outside.

6. The simplified assembly structure of the mica heating plate according to claim 1, characterized in that: A first mounting hole for the sensor to pass through is provided in the middle of the raised portion, and a second mounting hole is provided in the middle of the upper cover corresponding to the first mounting hole. A sleeve portion is provided at the edge of the second mounting hole, and the bottom edge of the sleeve portion is bent outward to form a bent edge, which abuts against the bottom of the first mounting hole.

7. The simplified assembly structure of the mica heating plate according to claim 1, characterized in that: The edge of the raised portion is evenly distributed with three said latching positions, the angle between each of the said latching positions is 120 degrees, and the edge of the upper cover is provided with three said latching columns corresponding to the said latching positions.

8. The simplified assembly structure of the mica heating plate according to claim 1, characterized in that: Six latching positions are evenly distributed on the edge of the raised portion, and the angle between each latching position is 60°. Six latching columns are provided on the edge of the upper cover corresponding to the latching positions.

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