All-glass electric kettle

Abstract

The utility model relates to an all-glass electric kettle which comprises a kettle body and an electric heating device which are integrally made of all-glass, and further comprises a heat conducting disc and a fastening sleeve, an internal thread part is arranged on the inner side face of the fastening sleeve, the bottom of the fastening sleeve extends towards the inner circumference to form a supporting ring, and the edge of the heat conducting disc abuts against the supporting ring. An external thread part is arranged at the bottom of the kettle body, after the fastening sleeve is fastened and connected to the bottom of the kettle body through the internal thread part and the external thread part, the heat conducting disc is pressed on the outer bottom surface of the kettle body, and the electric heating device is connected to the bottom surface of the heat conducting disc; the heat conduction disc of the all-glass kettle is fixed in a threaded fastening mode, the assembling speed of the electric kettle can be increased, the structure is simpler, the production efficiency is improved, and meanwhile the production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the field of electric kettles, in particular to a full-glass electric kettle. Background Art

[0002] At present, in order to improve the appearance of electric kettles, more and more electric kettles use all-glass kettle bodies as the kettle body for holding water waiting to be heated. Since the glass kettle body is usually a one-piece shape, in order to facilitate the installation of heating elements such as a heating plate, the heating plate can generally be set at the bottom of the glass kettle body, as shown in the kettle body and liquid heater of Chinese patent document, application number: CN201721489842.3, in which a heat conduction plate is installed between the bottom of the kettle and the electric heating device to conduct heat to the electric heating device on the bottom of the kettle. However, the heat conduction plate needs to be fixed by multiple structures such as fixing glue and heat insulation rings, which makes the installation structure complicated and the installation process complicated, resulting in low production efficiency. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned existing problems and provide a simple and reasonable all-glass electric kettle.

[0004] An all-glass electric kettle comprises a kettle body and an electric heating device made of an integral all-glass body, a heat-conducting plate and a fastening sleeve, the inner side surface of the fastening sleeve being provided with an internal threaded portion, a supporting ring extending inwardly from the bottom of the fastening sleeve, the edge of the heat-conducting plate being supported on the supporting ring, the bottom of the kettle body being provided with an external threaded portion, after the fastening sleeve is fastened to the bottom of the kettle body through the internal threaded portion and the external threaded portion, the heat-conducting plate is pressed against the outer bottom surface of the kettle body, and the electric heating device is connected to the bottom surface of the heat-conducting plate.

[0005] The purpose of the utility model can also be solved by the following technical measures:

[0006] As a more specific solution, a silicone shock-absorbing ring is further included, and the silicone shock-absorbing ring is pressed and fixed between the heat-conducting plate and the supporting ring.

[0007] As a further solution, the pot body includes a pot body and a pot bottom, the bottom of the pot body is provided with an inner turn-up edge connected to the pot bottom, the pot bottom is arranged in a concave disk shape and has a diameter smaller than the pot body, the external threaded portion is arranged on the outer side of the pot bottom, and after the fastening sleeve is fastened to the pot bottom, the fastening sleeve is hidden under the lower side of the inner turn-up edge.

[0008] As a further solution, a disc cavity is recessed on the upper side of the heat-conducting disc, and a sealed heat-conducting cavity is formed between the disc cavity and the outer bottom surface of the kettle body. The heat-conducting cavity is filled with a heat-conducting medium in contact with the bottom surface of the kettle body.

[0009] As a further solution, the bottom of the kettle body is also connected to a kettle bottom protection shell, the top of the kettle bottom protection shell is limited and abuts against the inner flange, and an assembly cavity is formed between the kettle bottom protection shell and the bottom surface of the kettle body, and the heat conduction plate, fastening sleeve and electric heating device are arranged in the assembly cavity.

[0010] As a further solution, an electric coupler is also provided in the assembly cavity, and the electric coupler is arranged on the lower side of the electric heating device and is fastened thereto, and the bottom protective shell of the pot is arranged on the lower side of the electric coupler and is fastened thereto, and a coupling avoidance hole is provided in the bottom protective shell of the pot corresponding to the electric coupler.

[0011] As a further solution, the electric heating device is provided with an avoidance position corresponding to the heat conducting plate, and a temperature sensing probe is provided in the avoidance position and abuts against the bottom surface of the heat conducting plate.

[0012] As a further solution, the side wall of the kettle body is provided with a handle;

[0013] The lower part of the handle is connected to the bottom protective shell of the kettle, and a water inlet pipe is passed through the handle, and one end of the water inlet pipe extends into the assembly cavity;

[0014] A water inlet is provided on the upper portion of the kettle body corresponding to the handle, and the water inlet is connected to the upper end of the water inlet pipe;

[0015] A water inlet valve core is provided at the center of the electric coupler, and the water inlet valve core is connected to the lower port of the water inlet pipe.

[0016] As a further solution, the heat-conducting medium includes thermal grease or thermal oil.

[0017] As a further solution, the electric heating device is one of a heating plate, a heating film, and an electromagnetic coil.

[0018] The beneficial effects of the utility model are as follows:

[0019] The heat conducting plate of this all-glass kettle is fixed by threaded fastening, which can speed up the assembly of the electric kettle, make the structure simpler, improve production efficiency and reduce production costs.

[0020] In addition, the electric kettle can also use a heat-conducting medium to fill the gap between the heat-conducting plate and the bottom of the kettle body. When the heat-conducting medium is in full contact with the bottom of the kettle body, the heat conduction is more uniform and the heat transfer effect is good, which facilitates precise temperature control, and makes the heating or cooling of the glass kettle bottom slow, avoiding drastic changes in the temperature of the glass kettle bottom, ensuring the safety of the glass kettle bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic cross-sectional view of the first embodiment of the present invention.

[0022] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle.

[0023] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the present utility model.

[0024] Figure 4 This is a schematic cross-sectional view of the second embodiment of the present invention.

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of Example 3 of the present utility model. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1:

[0027] See also Figure 1 and Figure 2 As shown, an all-glass electric kettle includes a kettle body 1 and a heating plate 2 made of all-glass, and also includes a heat-conducting plate 3 and a fastening sleeve 4. The inner side surface of the fastening sleeve 4 is provided with an internal threaded portion 41, and a supporting ring 42 extends inward from the bottom of the fastening sleeve 4. The edge of the heat-conducting plate 3 is supported on the supporting ring 42. The bottom of the kettle body 1 is provided with an external threaded portion 101. After the fastening sleeve 4 is fastened to the bottom of the kettle body 1 through the internal threaded portion 41 and the external threaded portion 101, the heat-conducting plate 3 is pressed against the outer bottom surface of the kettle body 1, and the heating plate 2 is connected to the bottom surface of the heat-conducting plate 3.

[0028] The heat conducting plate 3 of this all-glass kettle is fixed by screw thread fastening, which can speed up the assembly of the electric kettle, make the structure simpler, improve production efficiency and reduce production costs.

[0029] It also includes a silicone shock-absorbing ring 5, which is pressed between the heat-conducting plate 3 and the supporting ring 42; when the fastening sleeve 4 is installed, the silicone shock-absorbing ring 5 can play a buffering role to prevent the supporting ring 42 from pressing the heat-conducting plate 3 into hard contact with the glass pot body 1, causing the pot body 1 to break.

[0030] The kettle body 1 includes a kettle body 11 and a kettle bottom 12. The bottom of the kettle body 11 is provided with an inner turning edge 13 connected to the kettle bottom 12. The kettle bottom 12 is arranged in a concave disc shape and has a diameter smaller than the kettle body 11. The external threaded portion 101 is arranged on the outer side of the kettle bottom 12. After the fastening sleeve 4 is fastened to the kettle bottom 12, the fastening sleeve 4 is hidden under the inner turning edge 13.

[0031] The kettle bottom 12 with the fastening sleeve 4 can reserve space for the kettle bottom protective shell 6, so that after the kettle bottom protective shell 6 is installed, the kettle bottom protective shell 6 maintains a smooth transition with the outer surface of the kettle body 1, making the overall lines of the kettle body 1 more beautiful.

[0032] The bottom of the kettle body 1 is also connected to a kettle bottom protection shell 6, the top of the kettle bottom protection shell 6 is limited to be against the inner flange 13, and an assembly cavity 7 is formed between the kettle bottom protection shell 6 and the bottom surface of the kettle body 1, and the heat conducting plate 3, the fastening sleeve 4 and the heating plate 2 are arranged in the assembly cavity 7; the kettle bottom protection shell 6 is mainly made of plastic, and the kettle bottom protection shell 6 can hide the heat conducting plate 3 and the heating plate 2, is safe to use, can protect the all-glass kettle bottom 12, avoid bumps on the kettle bottom 12, and facilitate direct placement of the kettle body 1.

[0033] An electric coupler 8 is also provided in the assembly cavity 7. The electric coupler 8 is arranged on the lower side of the heating plate 2 and is tightly connected thereto. The bottom protective shell 6 is arranged on the lower side of the electric coupler 8 and is tightly connected thereto. A coupling avoidance hole 601 is provided in the bottom protective shell 6 corresponding to the electric coupler 8. The electric coupler 8 enables the kettle body 1 to be detachable and completely disconnected from the power supply after disassembly.

[0034] Based on the above structure, when assembling the electric kettle, the heat-conducting plate 3 connected to the heating plate 2 is first pressed against the bottom surface of the kettle body 1, and then the electric coupler 8 is fastened to the bottom surface of the heating plate 2, and finally the kettle bottom protective shell 6 is fastened to the electric coupler 8.

[0035] See also Figure 3 As shown, the heating plate 2 is provided with an avoidance position 201 corresponding to the heat conducting plate 3, and a temperature sensing probe 9 is provided in the avoidance position 201 against the bottom surface of the heat conducting plate 3; the power or on / off of the heating plate 2 can be controlled by sensing the temperature of the heat conducting plate 3. Example 2:

[0036] See also Figure 4 As shown, a disc cavity 301 is recessed on the upper side of the heat-conducting disc 3, and a sealed heat-conducting cavity is formed between the disc cavity 301 and the outer bottom surface of the kettle body 1, and the heat-conducting cavity is filled with a heat-conducting medium 14 in contact with the bottom surface of the kettle body 1; this electric kettle can also use the heat-conducting medium 14 to fill the gap between the heat-conducting disc 3 and the bottom surface of the kettle body 1, and the heat-conducting medium 14 is in full contact with the bottom surface of the kettle body 1, so that the heat conduction is more uniform and the heat transfer effect is good, which is convenient for precise temperature control, so that the heating or cooling of the glass kettle bottom 12 is slowed down, and the temperature of the glass kettle bottom 12 is avoided from changing drastically, thereby ensuring the safety of the glass kettle bottom 12.

[0037] The heat conducting medium 14 is preferably thermal grease, and in other embodiments, it can be replaced by thermal oil. Example 3:

[0038] See also Figure 5As shown, the side wall of the kettle body 11 is provided with a handle 10, the lower part of the handle 10 is connected to the kettle bottom protective shell 6, and a water inlet pipe 15 is passed through the handle 10, and one end of the water inlet pipe 15 extends into the assembly cavity 7; the upper part of the kettle body 1 corresponding to the handle is provided with a water inlet 102, and the water inlet 102 is connected to the upper end of the water inlet pipe 15; the center of the electric coupler 8 is provided with a water inlet valve core 16, and the water inlet valve core 16 is connected to the lower end of the water inlet pipe 15; this structure enables the electric kettle to realize the water supply function of the handle.

[0039] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. An all-glass electric kettle, comprising a kettle body and an electric heating device made of all-glass, characterized in that: It also includes a heat-conducting plate and a fastening sleeve, the inner side surface of the fastening sleeve is provided with an internal threaded portion, and a supporting ring is extended inwardly from the bottom of the fastening sleeve. The edge of the heat-conducting plate is abutted against the supporting ring, and the bottom of the kettle body is provided with an external threaded portion. After the fastening sleeve is fastened to the bottom of the kettle body through the internal threaded portion and the external threaded portion, the heat-conducting plate is pressed against the outer bottom surface of the kettle body, and the electric heating device is connected to the bottom surface of the heat-conducting plate.

2. The all-glass electric kettle according to claim 1, characterized in that: It also includes a silicone shock-absorbing ring, which is pressed and fixed between the heat-conducting plate and the supporting ring.

3. The all-glass electric kettle according to claim 1, characterized in that: The kettle body includes a kettle body and a kettle bottom. The bottom of the kettle body is provided with an inner turn-up edge connected to the kettle bottom. The kettle bottom is arranged in a concave disc shape and has a diameter smaller than the kettle body. The external threaded portion is arranged on the outer side of the kettle bottom. After the fastening sleeve is fastened to the kettle bottom, the fastening sleeve is hidden under the lower side of the inner turn-up edge.

4. The all-glass electric kettle according to claim 1, characterized in that: A disc cavity is recessed on the upper side of the heat-conducting disc, and a sealed heat-conducting cavity is formed between the disc cavity and the outer bottom surface of the kettle body. The heat-conducting cavity is filled with a heat-conducting medium in contact with the bottom surface of the kettle body.

5. The all-glass electric kettle according to claim 3, characterized in that: The bottom of the kettle body is also connected to a kettle bottom protection shell, the top of the kettle bottom protection shell is limited to abut against the inner turn-up edge, and an assembly cavity is formed between the kettle bottom protection shell and the bottom surface of the kettle body, and the heat conducting plate, fastening sleeve and electric heating device are arranged in the assembly cavity.

6. The all-glass electric kettle according to claim 5, characterized in that: An electric coupler is also provided in the assembly cavity. The electric coupler is arranged on the lower side of the electric heating device and is fastened thereto. The pot bottom protective shell is arranged on the lower side of the electric coupler and is fastened thereto. A coupling avoidance hole is provided in the pot bottom protective shell corresponding to the electric coupler.

7. The all-glass electric kettle according to claim 1, characterized in that: The electric heating device is provided with an avoidance position corresponding to the heat conducting plate, and a temperature sensing probe is arranged in the avoidance position and abuts against the bottom surface of the heat conducting plate.

8. The all-glass electric kettle according to claim 6, characterized in that: The side wall of the kettle body is provided with a handle; The lower part of the handle is connected to the bottom protective shell of the kettle, and a water inlet pipe is passed through the handle, and one end of the water inlet pipe extends into the assembly cavity; A water inlet is provided on the upper portion of the kettle body corresponding to the handle, and the water inlet is connected to the upper end of the water inlet pipe; A water inlet valve core is provided at the center of the electric coupler, and the water inlet valve core is connected to the lower port of the water inlet pipe.

9. The all-glass electric kettle according to claim 4, characterized in that: The heat conducting medium includes heat conducting silicone grease or heat conducting oil.

10. The all-glass electric kettle according to claim 1, characterized in that: The electric heating device is one of a heating plate, a heating film, and an electromagnetic coil.

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