CN214712046U

CN214712046U - Electric kettle

Info

Publication number: CN214712046U
Application number: CN202023060338.6U
Authority: CN
Inventors: 李卫忠; 钟业武
Original assignee: Top Electric Appliances Industrial Ltd
Current assignee: Top Electric Appliances Industrial Ltd
Priority date: 2020-06-15
Filing date: 2020-12-16
Publication date: 2021-11-16
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an electric kettle, electric kettle's bottom is equipped with the heating plate subassembly, the heating plate subassembly includes chassis, heating tube and heat-conducting plate, the heat-conducting plate weld in the bottom on chassis, the heating tube connect in the bottom of heat-conducting plate, the chassis is in the position that the heating tube corresponds forms annular heat-collecting area, the chassis is in heat-collecting area is equipped with many continuous distribution's protruding muscle, protruding muscle is followed heat-collecting area extends, the chassis with pass through between the heat-conducting plate protruding muscle is injectd a plurality of cavities, the heat-conducting plate surface is equipped with the intercommunication the recess of cavity. The chassis forms many continuous distribution's protruding muscle in heat-collecting area, and the heat conduction plate surface sets up the recess, and the recess is arranged in the welding process to exhaust, does benefit to the solder flux in the heat-collecting area and flows for protruding muscle inboard is more even with the heat conduction plate welding, when increasing heat conduction area and welded connection intensity, and the stamping forming of being convenient for does benefit to the solder flux and flows, and the welding is stable.

Description

Electric kettle

Technical Field

The utility model is used for the thermos field especially relates to an electric kettle.

Background

The electric kettle is easy to generate larger noise in the process of boiling water, the noise is mainly generated due to vibration and bubble breakage caused by uneven heating in the heating process, the conventional heating plate component is formed by welding a stainless steel chassis, a heat conduction aluminum plate and a heating pipe, the heat transmission efficiency of the heat conduction aluminum plate and the stainless steel chassis is lower, wherein the heat conductivity coefficient of the aluminum is 237W/Mk, the heat conductivity coefficient of the stainless steel is 17W/Mk, the heat productivity of the heating tube is intensively transferred by the heat conducting aluminum plate, so that the heat of the heat conducting plate near the upper part of the heating tube is gathered and raised, a heat-gathering area corresponding to the shape of the heating tube is easily formed on the chassis, the heat in the middle of the heat-conducting aluminum plate is less, a heat-conducting area with less heat is formed, the heat is transferred transversely less, and the temperature of the heat-conducting area in the middle of the chassis is obviously lower than that of the heat-gathering area, so that the obvious uneven heating is caused. Heating is inhomogeneous, lead to slight vibration, it is more obvious to produce the noise, reach more than 65 degrees backs at the temperature, gather the bubble of formation easily in the corresponding heat zone region in heating tube top, break rapidly, thereby produce the noise, the market is mostly through zone of heating coating silence material or utilize surface structure to handle the noise that falls, and do not effectively improve the heating efficiency of heating tube, also cause certain influence to the temperature sensing control of insulating pot, and also set up unsmooth promotion heat conduction area through the bottom surface a bit, but the structure is complicated, it is unstable to make, the bad phenomenon of welding appears easily, seriously influence the heating effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an electric kettle, it can be in optimization heat conduction and noise reduction, promote preparation process stability.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an electric kettle, electric kettle's bottom is equipped with the heating plate subassembly, the heating plate subassembly includes chassis, heating tube and heat-conducting plate, the heat-conducting plate weld in the bottom on chassis, the heating tube connect in the bottom of heat-conducting plate, the chassis is in the position that the heating tube corresponds forms annular heat-collecting area, the chassis is in heat-collecting area is equipped with many continuous distribution's protruding muscle, protruding muscle is followed heat-collecting area extends, the chassis with pass through between the heat-conducting plate protruding muscle is injectd a plurality of cavitys, the heat-conducting plate surface is equipped with the intercommunication the recess of cavity.

In some embodiments, the middle of the heat conducting plate is provided with a positioning hole, and the grooves are distributed by the positioning hole in a circumferential and outward diverging manner.

In some embodiments, the grooves include a first groove and a second groove, the first groove is distributed by the positioning hole in a circumferentially outward divergent mode, and the second groove is communicated with the first groove and distributed in a circumferentially fractal divergent mode in the heat collecting area.

In some embodiments, the ribs are distributed throughout the heat accumulation region.

In some embodiments, the width W1 of the heat collecting region is 12mm to 20mm, the width L1 of the rib is 2mm to 5mm, and the height D1 of the rib is 0.1mm to 2 mm.

In some embodiments, the cavity is located inside the rib and the bottom end of the cavity is not lower than the bottom surface of the chassis.

In some embodiments, the ribs are circular or plum blossom shaped.

In some embodiments, the ribs are triangular, arcuate, or trapezoidal in cross-section.

In some embodiments, the groove has a groove width L2 of 2mm to 8 mm.

In some embodiments, the chassis is stamped and formed of stainless steel and the heat-conducting plate is stamped and formed of aluminum plate.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the chassis forms many continuous distribution's protruding muscle in heat-collecting area, and the heat conduction plate surface sets up the recess, and the recess is arranged in the welding process to exhaust, does benefit to the solder flux in the heat-collecting area and flows for protruding muscle inboard is more even with the heat conduction plate welding, when increasing heat conduction area and welded connection intensity, and the stamping forming of being convenient for does benefit to the solder flux and flows, and the welding is stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic top view of the chassis of one embodiment shown in FIG. 1;

FIG. 4 is a schematic diagram of an exploded view of the heat-generating plate assembly of the embodiment shown in FIG. 1;

FIG. 5 is a schematic top view of the thermal plate of FIG. 1 according to one embodiment;

fig. 6 is a schematic structural view of an embodiment of the rib of the present invention, in which the cross section is arc-shaped;

fig. 7 is a schematic structural view of an embodiment of the rib of the present invention with a trapezoidal cross section;

fig. 8 is a schematic structural view of an embodiment of the present invention with a plum blossom-shaped rib;

fig. 9 is a schematic top view of an embodiment of the heat-conducting plate with the heat-conducting plate having an arc-shaped heat-conducting groove;

fig. 10 is a schematic top view of an embodiment of the heat-conducting plate according to the present invention, wherein the groove is formed in a circumferentially fractal divergence shape.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, an embodiment of the present invention provides an electric kettle, which includes a lid 1, a kettle body 2, a handle 3, a temperature controller 7 and a bottom lid 8, wherein a heating tray assembly is disposed at the bottom of the electric kettle. The electric kettle usually further comprises a control button 31 and a power base (not shown) for supplying power to the heating disc assembly, the power base is provided with a lower electric connector, the bottom cover 8 is provided with an upper electric connector, and the handle 3 is provided with a cover opening button for opening the kettle cover 1.

Referring to fig. 2 to 4, the heating plate assembly includes a chassis 41, a heating tube 5 and a heat conducting plate 42, the heat conducting plate 42 is welded at the bottom of the chassis 41, the heating tube 5 is connected to the bottom of the heat conducting plate 42, the heating tube 5 is bent in a ring shape, the chassis 41 forms a ring-shaped heat collecting area 44 at a position corresponding to the heating tube 5, the heat collecting area 44 is larger than a projection plane of the heating tube 5, and the rest areas of the surface of the chassis 41 except the heat collecting area 44 are heat conducting areas. The chassis 41 is provided with a plurality of ribs 43 which are continuously distributed in the heat-collecting area 44, the ribs 43 extend along the heat-collecting area 44, the heat-conducting area is improved, a plurality of cavities 433 are limited between the chassis 41 and the heat-conducting plate 42 through the plurality of ribs 43 which are continuously distributed, the surface of the heat-conducting plate 42 is provided with a groove 422 communicated with the cavities 433, and after the chassis 41 and the heat-conducting plate 42 are welded, a welding flux is filled in the cavities 433 and the groove 422.

Chassis 41 forms many continuous distribution's protruding muscle 43 in heat-collecting area 44, and protruding muscle 43 is upwards protruding relative to chassis 41 surface, and heat-conducting plate 42 surface sets up recess 422, and recess 422 is arranged in welding process to exhaust, does benefit to the solder flux in the heat-collecting area 44 and flows for protruding muscle 43 is inboard more even with heat-conducting plate 42 welding, when increasing heat conduction area and welded connection intensity, and the stamping forming of being convenient for does benefit to the solder flux and flows, and the welding is stable.

Referring to fig. 5, in some embodiments, the heat conducting plate 42 has a positioning hole 421 in the middle for positioning during welding, a groove 422 extends from the positioning hole 421 to the edge of the heat conducting plate 42 in a divergent manner, for example, in a radial direction, and the groove 422 is used for exhausting gas during welding, so as to facilitate the flux flowing in the heat collecting region 44.

The heat conducting plate 42 can be made of a metal material, such as an aluminum plate with high thermal conductivity, and the positioning hole 421, the groove 422 and the heat conducting plate 42 are integrally formed by punching the aluminum plate.

The chassis 41 can be made of metal material, for example, stainless steel is used for stamping, and the chassis 41 and the convex rib 43 on the chassis 41 are integrally stamped and formed, so that the manufacturing difficulty is reduced.

In order to further optimize the heat conduction and noise reduction, in some embodiments, referring to fig. 2 and 4, a plurality of continuous ribs 43 are distributed over the heat collecting region 44, wherein the ribs 43 are integrally formed and continuously distributed by stamping.

In some embodiments, referring to fig. 2, the width W1 of the heat-collecting region 44 is 12mm to 20mm, the width L1 of the rib 43 is 2mm to 5mm, and the height D1 of the rib 43 is 0.1mm to 2 mm.

Referring to fig. 3 and 8, the rib 43 is circular or plum-blossom-shaped.

Referring to fig. 2, 6 and 7, the section of the rib 43 is triangular, arc or trapezoid, wherein the cavity 433 is located inside the rib 43 and the bottom end of the cavity 433 is not lower than the bottom surface of the base plate 41, so that the cavity 433 is communicated with the groove 422, and flux can flow to form a stable welding connection structure while ensuring welding exhaust in the heat accumulation area.

In some embodiments, referring to fig. 5, the groove 422 has a groove width L2 of 2mm to 8 mm.

In some embodiments, referring to fig. 9, the grooves 422 are in an arc-shaped divergent shape on the heat-conducting plate 42 and are distributed by the positioning holes 421 in a circumferentially outward divergent manner, so that the projection area of the grooves 422 on the heat-conducting plate 42 is increased, and the welding connection area is effectively increased.

In some embodiments, referring to fig. 10, the grooves 422 are circumferentially distributed in a fractal manner on the heat conducting plate 42, where the grooves 422 include a first groove 423 and a second groove 424, the first groove 423 is circumferentially distributed in an outward divergent manner from the positioning hole 421, the second groove 424 communicates with the first groove and is circumferentially distributed in a fractal manner in the heat collecting region, a groove width L2 of the first groove 423 is 2mm to 8mm, and a groove width L3 of the second groove 424 is 0.5mm to 3mm, so that the outer periphery of the first groove 423 and the second groove 424 are densely distributed below the heat collecting region, and the welding area between the grooves 422 and the cavity 433 is increased while ensuring stable welding exhaust gas, thereby forming a stable end welding connection structure.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides an electric kettle, its characterized in that, electric kettle's bottom is equipped with the heating plate subassembly, the heating plate subassembly includes chassis, heating tube and heat-conducting plate, the heat-conducting plate weld in the bottom on chassis, the heating tube connect in the bottom of heat-conducting plate, the chassis is in the position that the heating tube corresponds forms annular heat zone of gathering, the chassis is in it is equipped with many continuous distribution's protruding muscle to gather the heat zone, protruding muscle is followed gather the heat zone and extend, the chassis with pass through between the heat-conducting plate a plurality of cavities are injectd to the protruding muscle, the protruding muscle is relative the chassis surface is upwards protruding, the heat-conducting plate surface is equipped with the intercommunication the recess of cavity.

2. An electric kettle as claimed in claim 1, wherein the heat conducting plate is provided with a positioning hole in the middle, and the grooves are distributed radially outwards from the positioning hole.

3. The electric kettle as claimed in claim 2, wherein the grooves comprise a first groove and a second groove, the first groove is distributed by the positioning hole in a circumferential outward divergent mode, and the second groove is communicated with the first groove and distributed in a circumferential fractal divergent mode in the heat gathering area.

4. An electric kettle according to claim 1, wherein the ribs are arranged over the heat accumulation area.

5. The electric kettle as claimed in claim 1, wherein the width W1 of the heat collecting region is 12 mm-20 mm, the width L1 of the rib is 2 mm-5 mm, and the height D1 of the rib is 0.1 mm-2 mm.

6. The electric kettle of claim 1, wherein the cavity is located inside the rib and the cavity bottom end is not lower than the chassis bottom surface.

7. An electric kettle as claimed in claim 1, wherein said ribs are circular or quincuncial.

8. An electric kettle as claimed in claim 1, wherein the ribs are triangular, arcuate or trapezoidal in cross-section.

9. An electric kettle as claimed in claim 1, wherein the groove has a width L2 of 2-8 mm.

10. The electric kettle of claim 1, wherein the base plate is stamped and formed of stainless steel and the heat-conducting plate is stamped and formed of aluminum plate.