All-glass electric kettle capable of feeding water from bottom
By using a thermally conductive medium to fill the gaps in the all-glass electric kettle and combining it with an adhesive fixing structure, the problems of low heat conduction efficiency and complex installation caused by the gap between the heating plate and the bottom of the kettle are solved, achieving more efficient heat transfer and a simplified production process.
Patent Information
- Application Number
- CN202422796607.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The gap between the heating plate and the bottom of the existing all-glass electric kettle leads to low heat conduction efficiency, complex installation structure and low production efficiency.
A heat-conducting medium is used to fill the gap between the heat-conducting plate and the bottom surface of the kettle body, and the heat-conducting plate and the kettle body are connected by gluing and fixing. Combined with the sealing structure and the water inlet valve core, sealing and uniform heat transfer are achieved.
It improves heat conduction efficiency, simplifies the installation process, reduces production costs, and ensures the safety and precise temperature control of the glass pot bottom.
Smart Images

Figure CN223365360U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of electric kettles, in particular to a full-glass electric kettle with water supply from the bottom. Background Art
[0002] To enhance the aesthetics of electric kettles, more and more electric kettles are now using all-glass bodies for holding water for heating. Because glass bodies are typically monolithic, heating elements such as a heating plate are typically placed at the bottom of the glass body to facilitate installation. However, this design often suffers from the following issues: 1. Due to flatness issues, a gap remains between the heating plate and the glass bottom, reducing heat transfer efficiency. 2. The heating plate can only be attached to the bottom of the kettle via a complex mounting bracket, resulting in a complex installation structure and numerous steps, leading to 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 with bottom water supply.
[0004] A full-glass electric kettle with water supply from the bottom, comprising a kettle body and an electric heating device made of an integral all-glass body, and also comprising a heat-conducting plate. The electric heating device is in contact with or close to the lower side of the heat-conducting plate, and a disc cavity is recessed on the upper side of the heat-conducting plate. The outer periphery of the disc cavity is provided with an adhesive material that is directly adhered to the outer bottom wall of the kettle body. The heat-conducting plate is adhered to the outer bottom surface of the kettle body through the adhesive material, and a sealed heat-conducting cavity is formed between the disc cavity and the bottom surface of the kettle body. The heat-conducting cavity is filled with a heat-conducting medium that is in contact with the bottom surface of the kettle body, and an assembly channel is opened through between the heat-conducting plate and the bottom of the kettle body, and a water inlet valve core is installed in the assembly channel.
[0005] The purpose of the utility model can also be solved by the following technical measures:
[0006] As a more specific solution, a sealing structure is further provided between the water inlet valve core and the assembly channel, and the gap between the water inlet valve core and the assembly channel is sealed by the sealing structure.
[0007] As a further solution, an adhesive groove is provided in an annular direction on the upper side of the heat conducting plate. The adhesive groove is provided on the outer periphery of the plate cavity, and the adhesive material is filled in the adhesive groove.
[0008] As a further solution, a circle of protruding ribs is provided on the bottom surface of the pot body in a circumferential direction corresponding to the adhesive groove, and the protruding ribs penetrate into the adhesive groove and contact the adhesive material; the cross-sectional shape of the adhesive groove matches that of the protruding ribs.
[0009] As a further solution, the electric heating device includes a heating disk, which is provided with a heating disk through hole that constitutes part of the assembly channel; an electric coupler is fastened to the lower side of the heating disk, and an assembly through hole is axially provided on the electric coupler, and the water inlet valve core is inserted into the assembly through hole.
[0010] As a further solution, a heat conducting plate through hole is provided on the heat conducting plate, which constitutes a part of the assembly channel. The hole edge of the heat conducting plate through hole is folded upward to abut or be adjacent to the retaining ring on the outer bottom surface of the kettle body, and the heat conducting cavity is separated from the assembly channel by the retaining ring.
[0011] As a further solution, the sealing structure includes a silicone sealing sleeve, which is mounted on the outside of the water inlet valve core. A supporting ring is extended outward from the outer wall of the water inlet valve core. A sealing fold is extended outward from the bottom of the silicone sealing sleeve. The sealing fold is crimped between the heating plate and the supporting ring. The top of the silicone sealing sleeve is provided with a thickened ring extending into the kettle body, and the thickened ring seals the entrance of the gap.
[0012] As a further solution, the bottom of the kettle body is also connected to a kettle bottom protective shell, which is fastened to the lower side of the electric coupler. An assembly cavity is formed between the kettle bottom protective shell and the bottom surface of the kettle body. The heat conducting plate, electric heating device and electric coupler are arranged in the assembly cavity, and a coupling avoidance hole is provided on the bottom wall of the kettle bottom protective shell corresponding to the electric coupler.
[0013] As a further solution, the electric heating device is provided with a temperature-sensing avoidance position corresponding to the heat-conducting disk, and a temperature-sensing probe is provided in the temperature-sensing avoidance position, which is against the bottom surface of the heat-conducting disk or the outer bottom surface of the kettle body.
[0014] As a further solution, the adhesive material includes glue; and the heat-conducting medium includes thermal grease or thermal oil.
[0015] The beneficial effects of the utility model are as follows:
[0016] This electric kettle uses a heat-conducting medium to fill the gap between the heat-conducting plate and the bottom of the kettle body. The heat-conducting medium is in full contact with the bottom of the kettle body, making the heat conduction more uniform and the heat transfer effect better. It is convenient for precise temperature control, so that the heating or cooling of the glass kettle bottom is slowed down, avoiding drastic temperature changes at the glass kettle bottom and ensuring the safety of the glass kettle bottom.
[0017] Moreover, the heat-conducting plate is fixed by gluing, which speeds up the assembly of the electric kettle, has a simpler structure, improves production efficiency and reduces production costs, and also plays a sealing role.
[0018] A water inlet valve core is installed at the bottom of the kettle body, so that the all-glass electric kettle can achieve the bottom water filling function. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic cross-sectional view of the first embodiment of the present invention.
[0020] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle.
[0021] Figure 3 for Figure 1 Enlarged structural diagram at point B in the middle.
[0022] Figure 4 It is a schematic diagram of the decomposition structure of the utility model.
[0023] Figure 5 This is a schematic diagram of the structure of the temperature sensing probe in this utility model.
[0024] Figure 6 This is a structural diagram of Example 2 of the present utility model. DETAILED DESCRIPTION
[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1:
[0026] See also Figures 1 to 5 As shown, an all-glass electric kettle with water supply from the bottom includes a kettle body 1 and a heating plate 2 made of an integral whole of glass, and also includes a heat-conducting plate 3. The heating plate 2 is connected to or close to the lower side of the heat-conducting plate 3, and the upper side of the heat-conducting plate 3 is recessed with a disc cavity, and the outer periphery of the disc cavity is provided with an adhesive material 4 directly adhered to the outer bottom wall of the kettle body 1. The heat-conducting plate 3 is adhered to the outer bottom surface of the kettle body 1 through the adhesive material 4, and a sealed heat-conducting cavity 5 is formed between the disc cavity and the bottom surface of the kettle body 1. The heat-conducting cavity 5 is filled with a heat-conducting medium 6 in contact with the bottom surface of the kettle body 1, and an assembly channel 7 is opened through between the heat-conducting plate 3 and the bottom of the kettle body 1, and a water inlet valve core 8 is installed in the assembly channel 7.
[0027] This electric kettle uses a heat-conducting medium 6 to fill the gap between the heat-conducting plate 3 and the bottom surface of the kettle body 1. When the heat-conducting medium 6 is in full contact with the bottom surface of the kettle body 1, the heat conduction is more uniform and the heat transfer effect is better. This facilitates precise temperature control, making the temperature rise or fall of the glass kettle bottom moderate, avoiding drastic temperature changes at the glass kettle bottom, and ensuring the safety of the glass kettle bottom.
[0028] Moreover, the heat conducting plate 3 is fixed by gluing, which speeds up the assembly of the electric kettle, makes the structure simpler, improves production efficiency and reduces production costs, and also plays a sealing role;
[0029] The structure is based on the fact that the kettle body 1 is made of all glass. The kettle body 1 is formed by firing the glass as a whole. It is easy to manufacture, beautiful in appearance, convenient for users to check the situation inside the kettle body 1, and very easy to clean. The bottom of the kettle body 1 is equipped with a water inlet valve core 8, so that the all-glass electric kettle can realize the bottom water filling function.
[0030] A sealing structure 9 is further provided between the water inlet valve core 8 and the assembly channel 7, and the sealing structure 9 seals the gap between the water inlet valve core 8 and the assembly channel 7; the gap between the water inlet valve core 8 and the assembly channel 7 can be sealed to prevent water leakage.
[0031] The upper side of the heat conducting plate 3 is provided with an adhesive groove 301 in an annular direction. The adhesive groove 301 is arranged on the periphery of the plate cavity. The adhesive material 4 is filled in the adhesive groove 301. The adhesive groove 301 can limit the position where the adhesive material 4 is filled.
[0032] The heating disc 2 is provided with a heating disc through hole 201 which constitutes a part of the assembly channel 7; the lower side of the heating disc 2 is fastened with an electric coupler 10, and the electric coupler 10 is axially provided with an assembly through hole 1001, and the water inlet valve core 8 is inserted into the assembly through hole 1001; the water inlet valve core 8 and the electric coupler 10 are combined into an integrated module, which has a simple structure, is easy to assemble, saves space, and has better integrity.
[0033] The water inlet valve core 8 includes a water inlet pipe 82, and the water inlet pipe is provided with a water retaining cover 801 with a water outlet hole, an elastic valve cap 802, a reset spring 803, a steel ball seat 804, a sealing steel ball 805 and a sealing sleeve 806 from top to bottom. The structure of the water inlet valve core 8 belongs to the existing technology and will not be elaborated here.
[0034] The heat-conducting plate 3 is provided with a heat-conducting plate through hole 302 which constitutes a part of the assembly channel 7. The hole edge of the heat-conducting plate through hole 302 is folded upward to abut or be adjacent to the retaining ring 303 on the outer bottom surface of the kettle body 1. The heat-conducting cavity 5 is separated from the assembly channel 7 by the retaining ring 303; it prevents the heat-conducting medium 6 in the heat-conducting cavity 5 from overflowing, and is used in conjunction with the sealing structure 9 to improve the sealing effect.
[0035] The sealing structure 9 includes a silicone sealing sleeve 91, which is sleeved on the outside of the water inlet valve core 8. The outer side wall of the water inlet valve core 8 extends outward with a supporting ring 81, and the bottom of the silicone sealing sleeve 91 extends outward with a sealing fold 92. The sealing fold 92 is crimped between the heating plate 2 and the supporting ring 81. The top of the silicone sealing sleeve 91 is provided with a thickened ring 93 extending into the kettle body 1, and the thickened ring 93 is sealed at the entrance of the gap; the sealing fold 92 and the thickened ring 93 can be used to better fix the position of the sealing structure 9 on the one hand, and on the other hand, multi-layer and multi-faceted sealing can be achieved to improve the sealing effect.
[0036] The bottom of the kettle body 1 is further connected to a kettle bottom protection shell 11, which is fastened to the lower side of the electric coupler 10. An assembly cavity 12 is formed between the kettle bottom protection shell 11 and the bottom surface of the kettle body 1. The heat conducting plate 3, the heating plate 2 and the electric coupler 10 are arranged in the assembly cavity 12, and a coupling avoidance hole 111 is opened on the bottom wall of the kettle bottom protection shell 11 corresponding to the electric coupler 10.
[0037] The bottom protective shell 11 of the kettle is mainly made of plastic. The bottom protective shell 11 can hide the heat conducting plate 3, the heating plate 2 and the electric coupler 10. It is safe to use, can protect the all-glass bottom of the kettle, avoid bumps on the bottom of the kettle, and facilitate direct placement of the kettle body 1.
[0038] Based on the above structure, when assembling the electric kettle, the heat-conducting plate 3 connected to the heating plate 2 is first adhered to the bottom surface of the kettle body 1, and then the electric coupler 10 is fastened to the bottom surface of the heating plate 2, and finally the kettle bottom protective shell 11 is fastened to the electric coupler 10.
[0039] The heating plate 2 is provided with a temperature-sensing avoidance position 202 corresponding to the heat-conducting plate 3, and a temperature-sensing probe 13 is provided in the temperature-sensing avoidance position 202, which is against the bottom surface of the heat-conducting plate 3 or the outer bottom surface of the kettle body 1; the power or on / off of the heating plate 2 can be controlled by sensing the temperature of the heat-conducting plate 3.
[0040] In this embodiment, the adhesive material 4 is glue; the heat-conducting medium 6 is preferably thermal grease, and in other embodiments, thermal oil can be used instead. Example 2:
[0041] See also Figure 6 As shown, a circle of protruding ribs 14 is provided on the bottom surface of the pot body 1 in a circumferential direction corresponding to the adhesive groove 301. The protruding ribs 14 penetrate into the adhesive groove 301 and contact the adhesive material 4.
[0042] The cross-sectional shape of the adhesive groove 301 matches the protruding rib 14. In this embodiment, the cross-sectional shape is a parallelogram structure that is wide at the top and narrow at the bottom. The protruding rib 14 increases the contact area between the pot body 1 and the adhesive material 4, making the adhesion between the two more firm and stable. When the protruding rib 14 extends into the adhesive groove 301, part of the adhesive material 4 can be squeezed upward, so that the adhesive material 4 completely fills the space defined by the groove wall of the adhesive groove 301, the outer bottom wall of the pot body 1, and the surface of the protruding rib 14.
[0043] 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. A bottom-filling all-glass electric kettle, comprising a kettle body and an electric heating device made of an integral all-glass body, characterized in that: The heat-conducting plate is also included, and the electric heating device is connected to or close to the lower side of the heat-conducting plate. The upper side of the heat-conducting plate is recessed with a plate cavity, and the outer periphery of the plate cavity is provided with an adhesive material that is directly adhered to the outer bottom wall of the kettle body. The heat-conducting plate is adhered to the outer bottom surface of the kettle body through the adhesive material, and a sealed heat-conducting cavity is formed between the plate cavity and the bottom surface of the kettle body. The heat-conducting cavity is filled with a heat-conducting medium that is in contact with the bottom surface of the kettle body, and an assembly channel is opened through between the heat-conducting plate and the bottom of the kettle body, and a water inlet valve core is installed in the assembly channel.
2. The bottom-filled all-glass electric kettle according to claim 1, characterized in that: A sealing structure is further provided between the water inlet valve core and the assembly channel, and the gap between the water inlet valve core and the assembly channel is sealed by the sealing structure.
3. The bottom-filled all-glass electric kettle according to claim 1, characterized in that: An adhesive groove is concavely provided on the upper side of the heat conducting plate in an annular direction. The adhesive groove is arranged on the outer periphery of the plate cavity, and the adhesive material is filled in the adhesive groove.
4. The bottom-filled all-glass electric kettle according to claim 3, characterized in that: A circle of protruding ribs is provided in a circumferential direction corresponding to the adhesive groove on the bottom surface of the pot body. The protruding ribs penetrate into the adhesive groove and contact the adhesive material. The cross-sectional shapes of the adhesive groove and the protruding ribs match each other.
5. The bottom-filled all-glass electric kettle according to claim 1, characterized in that: The electric heating device includes a heating disk, which is provided with a heating disk through hole that constitutes a part of the assembly channel; an electric coupler is fastened to the lower side of the heating disk, and an assembly through hole is axially provided on the electric coupler, and the water inlet valve core is inserted into the assembly through hole.
6. The bottom-filled all-glass electric kettle according to claim 1, characterized in that: The heat conducting plate is provided with a heat conducting plate through hole which constitutes a part of the assembly channel. The hole edge of the heat conducting plate through hole is folded upward to abut or be adjacent to the retaining ring on the bottom surface of the kettle body. The heat conducting cavity is separated from the assembly channel by the retaining ring.
7. The bottom-filled all-glass electric kettle according to claim 2, characterized in that: The sealing structure includes a silicone sealing sleeve, which is mounted on the outside of the water inlet valve core. A supporting ring is extended outward from the outer wall of the water inlet valve core. A sealing fold is extended outward from the bottom of the silicone sealing sleeve. The sealing fold is crimped between the heating plate and the supporting ring. A thickened ring is provided on the top of the silicone sealing sleeve that extends into the kettle body. The thickened ring seals the entrance of the gap.
8. The bottom-filled all-glass electric kettle according to claim 5, characterized in that: The bottom of the kettle body is also connected to a kettle bottom protection shell, which is fastened to the lower side of the electric coupler. An assembly cavity is formed between the kettle bottom protection shell and the bottom surface of the kettle body. The heat conducting plate, electric heating device and electric coupler are arranged in the assembly cavity, and a coupling avoidance hole is opened on the bottom wall of the kettle bottom protection shell corresponding to the electric coupler.
9. The bottom-filled all-glass electric kettle according to claim 1, characterized in that: The electric heating device is provided with a temperature-sensing avoidance position corresponding to the heat-conducting disk, and a temperature-sensing probe is provided in the temperature-sensing avoidance position and is against the bottom surface of the heat-conducting disk or the outer bottom surface of the kettle body.
10. The bottom-filled all-glass electric kettle according to claim 1, characterized in that: The adhesive material includes glue; the heat-conducting medium includes thermal grease or thermal oil.