CN216854427U

CN216854427U - Electric heating container

Info

Publication number: CN216854427U
Application number: CN202123393836.7U
Authority: CN
Inventors: 杨玉叶; 凡振兴; 董昶震
Original assignee: Zhejiang Chubiai Electric Appliance Co ltd
Current assignee: Zhejiang Chubiai Electric Appliance Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-01
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of containers, and discloses an electric heating container which comprises an inner container and an outer shell, wherein the outer shell is sleeved outside the inner container, a vacuum layer is arranged between the outer shell and the inner container, the upper ends of the inner container and the outer shell are connected through a first connecting piece, the lower ends of the inner container and the outer shell are connected through a second connecting piece, the first connecting piece and the outer shell form metallurgical bonding connection through a first connecting material, the second connecting piece and the outer shell form metallurgical bonding connection through a second connecting material, the electric heating container also comprises a bottom, a cavity is arranged between the bottom and the inner container, and a heating plate is arranged in the cavity. According to the electric heating container, the first connecting piece and the shell form metallurgical bonding connection through the first connecting material, the second connecting piece and the shell form metallurgical bonding connection through the second connecting material, the problem that materials of the inner container and the shell are not easy to weld is solved, and the electric heating container is simple in structure, convenient to process and low in production cost.

Description

Electric heating container

Technical Field

The utility model relates to the technical field of containers, in particular to an electric heating container.

Background

Along with the continuous development of social science and technology, people attach more and more importance to healthy life, and the thermos cup on the market is the stainless steel inner bag at present mostly, but the stainless steel is in long-time use, probably has the heavy metal to appear, influences the health, has so appeared the thermos cup of titanium.

Because titanium metal is expensive, the structure of a titanium metal inner container and a stainless steel shell is generally adopted for reducing the cost, but titanium and stainless steel have different melting points, so that the titanium and the stainless steel are not easy to weld together. The titanium composite inner container vacuum cup disclosed in the Chinese patent application (CN111250620A) comprises an inner container body, wherein the inner container body is composed of a first inner container layer and a second inner container layer, the second inner container layer made of a titanium material is contacted with water in the inner container body, and the first inner container layer made of a stainless steel material is convenient to weld with a stainless steel shell.

Although the titanium composite inner container vacuum cup of the patent has multiple benefits, but also has the defects that the inner container of the vacuum cup adopts a double-layer inner container structure, the inner container body is formed by compounding the first inner container layer and the second inner container layer, the structure is complex, and the production cost is higher.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of inconvenient connection between the liner and the shell of the vacuum cup, complex structure and high production cost in the prior art, the utility model provides the electric heating container which is convenient to connect, simple in structure and low in production cost.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

an electrically heated container comprising: the inner container is of a cylindrical structure with an opening at the upper end and is made of a titanium material; the shell is of a cylindrical structure with openings at two ends, the shell is sleeved outside the inner container, and a vacuum layer is arranged between the shell and the inner container; the bottom is of a cylindrical structure with an opening at the upper end and is connected with the lower end of the shell, and a cavity is formed between the bottom and the inner container; the heating plate is arranged in the cavity and fixed at the bottom of the inner container; the upper end of the inner container and the upper end of the outer shell are connected through a first connecting piece, the first connecting piece is made of a titanium material, the upper end of the first connecting piece is connected with the upper end of the inner container, and the lower end of the first connecting piece and the upper end of the outer shell form metallurgical bonding connection through a first connecting material; the lower extreme of inner bag and shell passes through the second connecting piece to be connected, and the second connecting piece is made by the titanium material, and the upper end of second connecting piece is connected with the lower extreme of inner bag, and the lower extreme of second connecting piece and the lower extreme of shell form metallurgical bonding connection through second connecting material.

The electric heating container is connected with the upper ends of the inner container and the outer shell through the first connecting piece and connected with the lower ends of the inner container and the outer shell through the second connecting piece, the structure is simple, the manufacturing cost is low, the first connecting piece and the upper ends of the outer shell form metallurgical bonding connection through the first connecting material, the second connecting piece and the lower ends of the outer shell form metallurgical bonding connection through the second connecting material, and the problem that materials of the inner container and the outer shell are not easy to weld is solved.

Preferably, the upper end of the first connecting piece is provided with a second connecting section, the second connecting section is connected with the upper end of the inner container, the lower end of the first connecting piece is provided with a third connecting section flanged outwards, the upper end of the outer shell is provided with a first connecting section flanged inwards, and the first connecting material is arranged between the third connecting section and the first connecting section. The second connecting section and the third connecting section are arranged to facilitate the formation of a metallurgical bonding connection.

Preferably, the end of the second connecting section is further provided with a welding part, and the welding part is attached to the upper end of the inner container. The second connecting section can be conveniently welded to the inner container through the welding part.

Preferably, the end of the third connecting section is provided with a flange facing the first connecting section and/or the end of the first connecting section is provided with a flange facing the third connecting section. The end part of the first connecting section or the third connecting section is provided with a flanging, so that connecting materials can be conveniently fixed between the first connecting section and the third connecting section.

Preferably, the first connecting member and the third connecting section are integrally formed or welded, and the housing and the first connecting section are integrally formed or welded. And a proper connection mode can be selected according to the requirement, so that the processing is more convenient.

Preferably, the housing includes a connecting piece at a lower end of the housing, the connecting piece is disposed at an inner side of the housing, the connecting piece and the housing are integrally formed or welded, and the housing is connected to the second connecting member through the connecting piece. The connecting sheet is arranged, so that the shell and the inner container can be connected conveniently, and the structure is simpler.

Preferably, the connecting piece is provided with an air exhaust hole, and the air exhaust hole is communicated with the vacuum layer. The vacuum pumping treatment can be conveniently carried out by arranging the air pumping holes.

Preferably, a heat conducting plate is further provided between the heating plate and the inner container. Therefore, heat generated by the heating plate can be conveniently transferred to the inner container, and the heat transfer efficiency is improved.

Preferably, the housing is made of a stainless steel material or an iron material or an aluminum material or a copper material.

Preferably, the first connecting material and the second connecting material are aluminum materials or copper materials or titanium aluminum steel composite materials.

Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: the electric heating container is connected with the upper end of the inner container and the upper end of the shell through the first connecting piece, and is connected with the lower end of the inner container and the lower end of the shell through the second connecting piece, wherein the first connecting piece made of different materials is in metallurgical bonding connection with the shell through the first connecting material, and the second connecting piece made of different materials is in metallurgical bonding connection with the shell through the second connecting material.

Drawings

Fig. 1 is a sectional view of an electric heating container of the present invention.

Fig. 2 is a schematic view a1 of a part a in fig. 1.

Fig. 3 is another partial enlarged schematic view a2 of a portion a in fig. 1.

Fig. 4 is another partial enlarged schematic view a3 of a portion a in fig. 1.

Fig. 5 is another partial enlarged schematic view a4 of a portion a in fig. 1.

Fig. 6 is another partial enlarged schematic view a5 of a portion a in fig. 1.

Fig. 7 is another partial enlarged schematic view a6 of a portion a in fig. 1.

Fig. 8 is a partial enlarged schematic view B1 of part B in fig. 1.

Fig. 9 is another partial enlarged schematic view B2 of part B in fig. 1.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-inner bag, 2-outer shell, 3-vacuum layer, 4-first connecting piece, 5-second connecting piece, 6-bottom, 7-cavity, 8-heating plate, 9-heat conducting plate, 10-first connecting material, 11-second connecting material, 21-first connecting section, 22-step, 23-connecting piece, 231-air suction hole, 24-connecting section, 41-second connecting section, 411-welding part and 42-third connecting section.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

An electric heating container, as shown in fig. 1 to 9, comprises an inner container 1, wherein the inner container 1 is a cylindrical structure with an opening at the upper end, and the inner container 1 is made of a titanium material through processes of stretching or welding and the like; the electric heating container is characterized by further comprising a shell 2, wherein the shell 2 is of a cylindrical structure with openings at two ends, the shell 2 is sleeved outside the inner container 1, a vacuum layer 3 is arranged between the shell 2 and the inner container 1, the vacuum layer 3 can block heat transfer, so that the electric heating container has an excellent heat insulation effect, and the shell is made of stainless steel materials or iron materials or aluminum materials or copper materials; the upper ends of the inner container 1 and the outer shell 2 are connected through a first connecting piece 4, the first connecting piece 4 is made of a titanium material, the upper end of the first connecting piece 4 and the upper end of the inner container 1 are welded or integrally formed, and the lower end of the first connecting piece 4 and the upper end of the outer shell 2 form metallurgical bonding connection through a first connecting material 10; the lower ends of the inner container 1 and the outer shell 2 are connected through a second connecting piece 5, the second connecting piece 5 is made of a titanium material, the upper end of the second connecting piece 5 is connected with the lower end of the inner container 1 in a welding mode, and the lower end of the second connecting piece 5 is connected with the lower end of the outer shell 2 in a metallurgical bonding mode through a second connecting material 11; still include bottom 6, bottom 6 is upper end open-ended tubular structure, and bottom 6 is connected with the lower extreme of shell 2, has cavity 7 between bottom 6 and the inner bag 1, is provided with heating plate 8 in the cavity 7, and heating plate 8 is fixed in the bottom of inner bag 1.

Because the inner container 1, the first connecting piece 4 and the second connecting piece 5 are all made of titanium materials, the inner container, the first connecting piece 4 and the second connecting piece 5 are conveniently connected by adopting a common welding mode, such as laser welding. The housing 2 is made of stainless steel material, iron material, aluminum material or copper material, and is different from the first connecting member 4 and the second connecting member 5 in material, so that it is difficult to connect them by general welding, and it is convenient to connect them by the first connecting material 10 or the second connecting material 11 by metallurgical bonding. The metallurgical bonding is formed by mutual diffusion of atoms between metal interfaces at a certain temperature and under a certain pressure, compared with common laser welding, the metallurgical bonding is more compact in bonding position, cannot generate the problems of air holes, false welding and the like, and is better in sealing effect.

The first connecting member 10 and the second connecting member 11 may be aluminum materials or copper materials, or may be titanium-aluminum-steel composites as shown in fig. 7, in which three metal plates of titanium, aluminum, and steel are laminated in order of titanium-aluminum-steel to form a composite. And in metallurgical bonding, the first connecting material 10 is placed at the overlapping part of the first connecting piece 4 and the outer shell 2, or the second connecting material 11 is placed at the overlapping part of the second connecting piece 5 and the outer shell 2, the temperature is increased to 550 ℃ after the fixing, and then the overlapping part is punched by a press machine to form the metallurgical bonding connection. When using a titanium aluminium steel composite material as the joining material, care should be taken to orient the titanium layer of the composite material towards the first joining member 4 or the second joining member 5 and the steel layer of the composite material towards the outer shell 2, so that the same material contact can better form a metallurgical bond.

As shown in fig. 2, the upper end of the first connecting member 4 is provided with a second connecting section 41, the second connecting section 41 is welded to the upper end of the inner container 1, so that a vacuum layer is formed at the mouth of the electric heating container, the heat preservation effect is better, the lower end of the first connecting member 4 is provided with a third connecting section 42 which is flanged outwards, the upper end of the shell 2 is provided with a first connecting section 21 which is flanged inwards, the first connecting section 21 and the third connecting section 42 are at least partially overlapped, so that metallurgical bonding connection can be conveniently formed, and the first connecting material 10 is arranged between the third connecting section 42 and the first connecting section 21. It should be noted that the present invention does not limit the first connecting section 21 above the third connecting section 42, and the third connecting section 42 may be above the first connecting section 21.

As shown in fig. 7, a welding portion 411 may be further disposed at an end of the second connecting section 41, and the welding portion 411 is attached to the upper end of the liner 1, so that the welding is facilitated.

As shown in fig. 1 and 8, the outer shell 2 includes a connecting piece 23 located at the lower end of the outer shell, the connecting piece 23 is disposed at the inner side of the outer shell 2, the lower end of the outer shell 2 has a connecting portion 24 formed by being turned inwards, the lower end of the connecting piece 23 is welded with the outer shell 2 through the connecting portion 24, of course, the connecting piece 23 can also be integrally formed with the outer shell 2, the outer shell 2 is connected with the second connecting piece 5 through the connecting piece 23, the second connecting piece 5 is made of titanium material, the upper end of the second connecting piece 5 is welded on the outer wall of the lower end of the inner container 1, and the lower end of the second connecting piece 5 and the upper end of the connecting piece 23 form a metallurgical bonding connection through the second connecting material 11.

The connecting piece 23 is further provided with an air exhaust hole 231, the air exhaust hole 231 is communicated with the vacuum layer, and the air exhaust hole 231 can be arranged to conveniently exhaust air between the inner container 1 and the outer shell 2 during production, so that the vacuum layer 3 is formed.

Through setting up heating plate 8 in the bottom of inner bag 1, can heat the solution in the container, in order to make the better transmission of the heat that heating plate 8 produced to inner bag 1, can set up heat conduction dish 9 between heating plate 8 and inner bag 1, heat conduction dish 9 can select the metal material that the heat conductivity is high to make, like the aluminium material.

Alternatively, as shown in fig. 3, a flange facing the first connecting section 21 is provided at the end of the third connecting section 42, and a flange facing the third connecting section 42 is provided at the end of the first connecting section 21, so that the first connecting material 10 can be conveniently fixed between the first connecting section 21 and the third connecting section 42 without separately designing a positioning structure or a positioning fixture.

Alternatively, as shown in fig. 4, a flange facing the first connecting section 21 is provided only at the end of the third connecting section 42. Of course, it is also possible to provide a flange only at the end of the first connecting section 21, which is directed towards the third connecting section 42.

Alternatively, as shown in fig. 5 and 6, a step 22 is further provided on the housing 2, and when the first connecting member 4 and the housing 2 are changed from the transverse connection to the vertical connection, the metallurgical bonding connection can be formed by rolling, that is, after heating, the bonding position is brought into a state of metallurgical bonding by rolling, and the size of the bonding position can be smaller.

Alternatively, as shown in fig. 7, the third connecting section 42 is welded to the first connecting member 4, and the first connecting section 21 is welded to the outer shell 2, so that the first connecting section 21 and the third connecting section 42 can be first metallurgically bonded and then welded to the outer shell 2 and the first connecting member 4, and the processing is more convenient.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An electrically heated container, comprising:

the inner container (1) is of a cylindrical structure with an opening at the upper end, and the inner container (1) is made of a titanium material;

the outer shell (2) is of a cylindrical structure with openings at two ends, the outer shell (2) is sleeved outside the inner container (1), and a vacuum layer (3) is arranged between the outer shell (2) and the inner container (1);

the bottom (6) is of a cylindrical structure with an open upper end, the bottom (6) is connected with the lower end of the shell (2), and a cavity (7) is formed between the bottom (6) and the inner container (1); and

the heating plate (8), the heating plate (8) is arranged in the cavity (7) and fixed at the bottom of the inner container (1);

the inner container (1) is connected with the upper end of the outer shell (2) through a first connecting piece (4), the first connecting piece (4) is made of a titanium material, the upper end of the first connecting piece (4) is connected with the upper end of the inner container (1), and the lower end of the first connecting piece (4) is in metallurgical bonding connection with the upper end of the outer shell (2) through a first connecting material (10);

the inner container (1) is connected with the lower end of the outer container (2) through a second connecting piece (5), the second connecting piece (5) is made of a titanium material, the upper end of the second connecting piece (5) is connected with the lower end of the inner container (1), and the lower end of the second connecting piece (5) is connected with the lower end of the outer container (2) through a second connecting material (11) in a metallurgical bonding mode.

2. The electrically heated vessel of claim 1 wherein: the upper end of the first connecting piece (4) is provided with a second connecting section (41), the second connecting section (41) is connected with the upper end of the inner container (1), the lower end of the first connecting piece (4) is provided with a third connecting section (42) which is flanged outwards, the upper end of the shell (2) is provided with a first connecting section (21) which is flanged inwards, and the first connecting material (10) is arranged between the third connecting section (42) and the first connecting section (21).

3. The electrically heated vessel of claim 2 wherein: the end part of the second connecting section (41) is also provided with a welding part (411), and the welding part (411) is attached to the upper end of the inner container (1).

4. The electrically heated vessel of claim 2 wherein: the end part of the third connecting section (42) is provided with a flanging facing the first connecting section (21), and/or the end part of the first connecting section (21) is provided with a flanging facing the third connecting section (42).

5. The electrically heated vessel of claim 2 wherein: the first connecting piece (4) and the third connecting section (42) are integrally formed or welded, and the shell (2) and the first connecting section (21) are integrally formed or welded.

6. An electrically heated vessel as claimed in any one of claims 1 to 5 wherein: the shell (2) comprises a connecting piece (23) located at the lower end of the shell (2), the connecting piece (23) is arranged on the inner side of the shell (2), the connecting piece (23) and the shell (2) are integrally formed or welded and connected, and the shell (2) is connected with the second connecting piece (5) through the connecting piece (23).

7. The electrically heated vessel of claim 6 wherein: the connecting piece (23) is provided with an air exhaust hole (231), and the air exhaust hole (231) is communicated with the vacuum layer (3).

8. An electrically heated vessel as claimed in any one of claims 1 to 5 wherein: a heat conducting disc (9) is also arranged between the heating disc (8) and the inner container (1).

9. An electrically heated vessel as claimed in any one of claims 1 to 5 wherein: the shell (2) is made of stainless steel material or iron material or aluminum material or copper material.

10. An electrically heated vessel as claimed in any one of claims 1 to 5 wherein: the first connecting material (10) and the second connecting material (11) are aluminum materials, copper materials or titanium aluminum steel composite materials.