CN215571220U

CN215571220U - Double-liner electric water heater

Info

Publication number: CN215571220U
Application number: CN202120524045.4U
Authority: CN
Inventors: 苏进; 孙强; 盛保敬; 王军; 马腾
Original assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2022-01-18
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses a double-liner electric water heater, which comprises a first liner, a second liner and a communicating part, wherein the first liner is connected with the second liner through the communicating part; the second inner container is provided with a water inlet and a water outlet; the communication part comprises a first sub-communication part and a second sub-communication part; the first sub-communicating part is formed by outwards stretching the surface of the first inner container close to the second inner container, the first sub-communicating part is a boss, and a first through hole is formed in the surface of the first sub-communicating part; the second sub-communicating part is formed by outwards stretching the surface of the second inner container close to the first inner container, the second sub-communicating part is a flanging, and the section of the second sub-communicating part is a second through hole; wherein the second through hole completely covers the first through hole, and the flange is connected to the surface of the boss. The utility model can connect the two inner containers of the water heater without an additional communicating piece, has shorter connecting structure, is easy to weld and has fault-tolerant capability.

Description

Double-liner electric water heater

Technical Field

The utility model relates to the technical field of water heaters, in particular to a double-liner electric water heater.

Background

The water heater can heat cold water, thereby providing hot water with proper temperature for people. As one of the common electric water heaters, the double-liner electric water heater has the functions of rapid heating and variable volume, and thus is widely applied to the life of people.

In the prior art, the double-liner electric water heater comprises an upper liner, a lower liner and two connecting pipes for communicating the upper liner and the lower liner; each connecting pipe comprises an upper pipe communicated with the upper liner and a lower pipe communicated with the lower liner; the end surface of the upper pipe is aligned with the end surface of the lower pipe and is welded and fixed, so that the connecting pipe is formed. The connecting pipe has certain length to make the distance between the upper liner and the lower liner larger, so that the appearance proportion of the whole machine is not harmonious. Need set up the connecting tube part alone, simultaneously, the terminal surface of upper tube aligns with the terminal surface of low tube and carries out the welding, has increased the welded degree of difficulty, and welding process is difficult for realizing, and the scheduling problem that leaks appears easily.

Therefore, how to design a double-container connecting structure, do not need extra connecting piece, can make two inner bags of water heater connect, and connecting structure is shorter and easily welding, has the fault-tolerant ability, is the technical problem who awaits the solution urgently.

Disclosure of Invention

The utility model provides a double-liner electric water heater, aiming at the problems that in the double-liner electric water heater, a through hole communicating pipe is needed to be connected between an upper liner and a lower liner, the distance is large, the shape of the whole machine is damaged, the communicating pipe needs to be independently arranged, and the welding process of the communicating pipe is difficult.

In order to realize the purpose of the utility model, the utility model is realized by adopting the following technical scheme:

a dual bladder electric water heater comprising: the first inner container, the second inner container and the communicating part; the second inner container is provided with a water inlet and a water outlet; the communication portion includes: a first sub-communication portion and a second sub-communication portion; the first sub-communicating part is formed by stretching the surface of the first inner container close to the second inner container outwards, the first sub-communicating part is a boss, and a first through hole is formed in the surface of the first sub-communicating part; the second sub-communicating part is formed by stretching the surface of the second inner container close to the first inner container outwards, the second sub-communicating part is a flanging, and the section of the second sub-communicating part is a second through hole; the first inner container and the second inner container are arranged adjacently, the first through hole corresponds to the second through hole in position, the second through hole completely covers the first through hole, and the flanging is connected to the surface of the boss.

In some embodiments of the present application, the number of the communication parts is at least two.

In some embodiments of the present application, a distance between two of the communicating portions is not less than 50 mm.

In some embodiments of the present application, further comprising: and the water inlet pipe is connected to the water inlet and extends into the second inner container.

In some embodiments of the present application, further comprising: and the water outlet pipe is connected to the water outlet and penetrates through the second liner body and the communicating part and extends into the first liner.

In some embodiments of the present application, the first through hole is a first circular hole, the second through hole is a second circular hole, and a diameter of the second circular hole is larger than a diameter of the first circular hole.

In some embodiments of the present application, the first circular hole has a diameter of at least 10 mm.

In some embodiments of the present application, the first bladder is disposed above the second bladder.

In some embodiments of the present application, the first inner container is disposed at one side of the second inner container in a horizontal direction.

In some embodiments of the present application, further comprising: the heating device comprises a shell, a heat preservation layer, a first heating pipe and a second heating pipe, wherein the first inner container and the second inner container are accommodated in the shell, the heat preservation layer is filled in the first inner container and the shell, the heat preservation layer is filled in the second inner container and the shell, the first heating pipe is arranged in the first inner container, and the second heating pipe is arranged in the second inner container.

Compared with the prior art, the utility model has the advantages and positive effects that:

the surface of the first inner container, which is close to the second inner container, is stretched towards the second inner container to form a boss, the surface of the first inner container, which is close to the first inner container, is stretched towards the first inner container to form a flanging, and the flanging is welded on the boss, so that a connecting piece is not required to be arranged on the two inner containers, the communication between the first inner container and the second inner container is realized, the connecting piece is not required to be additionally arranged, the distance between the first inner container and the second inner container is shortened, and the sizes of the inner containers of the electric water heater are more coordinated; and the flanging is welded on the boss, so that the flanging and the boss can deviate in a certain range, the difficulty of the welding process is reduced, and a certain fault-tolerant rate is achieved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of an embodiment of a dual bladder electric water heater of the present invention;

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

FIG. 3 is another overall structure schematic diagram of an embodiment of a dual bladder electric water heater of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a cross-sectional view of one embodiment of a dual bladder electric water heater of the present invention;

in the figure, 10, the first inner container; 20, a second inner container; 21, a water inlet; 22, a water outlet; 30, a communication part; 31, a first sub-communication portion; 311, a first circular hole; 312, torus; 32, a second sub-communication portion; 33, a first connection portion; 34, a second connecting portion; 40, a water inlet pipe; and 50, discharging a water pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer", "horizontal", "vertical", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that in the description of the present invention, the terms "mounted" and "connected" are to be interpreted broadly unless explicitly defined or limited otherwise. For example, it may be a fixed connection, a detachable connection or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the embodiment, on the design concept, a mode of stretching the first inner container and the second inner container and welding the first inner container and the second inner container together is used for replacing a mode of arranging a communicating piece between the first inner container and the second inner container, so that the fault tolerance rate of welding is increased and the difficulty of a welding process is reduced by arranging a stretching surface contact mode; in terms of structural design, the first inner container 10, the second inner container 20, and the communicating portion 30 are provided.

In the present embodiment, as shown in fig. 1 and 2, the first inner container 10 is stretched in the direction of the second inner container 20 to obtain the first sub communication portion 31, the second inner container 20 is stretched in the direction of the first inner container 10 to obtain the second sub communication portion 32, and the communication portion 30 is obtained by welding the first sub communication portion 31 and the second sub communication portion 32.

In this embodiment, as shown in fig. 2, 3, and 4, the first sub-communicating portion 31 is a boss, and the boss is obtained by stretching, so that two sides of the boss have a certain inclination, a joint between the two sides and the first inner container 10 is an arc structure, tops of the two sides are planes, and a first through hole is formed in the planes, and the first through hole generally adopts a form of a first circular hole 311 in consideration of uniform hole shapes, so as to form the torus 312.

In the present embodiment, as shown in fig. 2, the second sub-communicating portion 32 is a flange, the cross section of the flange is a second through hole, and in order to ensure the quality of the flange, the second through hole generally also takes the form of a second round hole.

In this embodiment, as shown in fig. 2, since the first sub-communicating part 31 forms the circular ring surface 312 around the first circular hole 311, the diameter of the second circular hole is greater than the diameter of the first circular hole 311, and the second circular hole needs to completely cover the first circular hole 311, from this, when the second sub-communicating part 32 is connected with the first sub-communicating part 31, the edge of the flange abuts against the circular ring surface 312, and welding is performed, since the circular ring surface 312 has a certain width, a certain fault tolerance rate is provided for welding, the difficulty of welding is greatly reduced, the quality after welding is ensured, and the problem of water leakage caused by welding is avoided.

In the present embodiment, as shown in fig. 1 and 2, the heights of both the first sub-communication portion 31 and the second sub-communication portion 32 can be controlled within a small range. Thereby reducing the distance between the first inner container 10 and the second inner container 20, and enabling the appearance proportion of the whole machine to be more harmonious.

In the present embodiment, as shown in fig. 1, 3 and 5, the number of the connecting portions 30 is at least two, and the distance between the two connecting portions also satisfies a certain requirement, and the distance between the two connecting portions is at least 50mm, so that the circulation of the cold water and the hot water between the first inner container 10 and the second inner container 20 can be ensured. For example, two connecting portions are provided, including a first connecting portion 33 and a second connecting portion 34, and the first connecting portion 33 is spaced from the second connecting portion 34 by at least 50 mm.

In this embodiment, as shown in fig. 1, 3, and 5, the second inner container 20 is provided with a water inlet 21 and a water outlet 22, the water inlet pipe 40 is connected to the water inlet 21, the water inlet pipe 40 is accommodated in the second inner container 20, the water outlet pipe 50 is connected to the water outlet 22, and the water outlet pipe 50 passes through the first connecting portion 33 and extends into the first inner container 10 from the second inner container 20. The diameters of the first circular hole 311 and the second circular hole of the first connection portion 33 are larger than the diameter of the water outlet pipe 50, for example, the diameter of the first circular hole 311 is at least 10 mm.

In this embodiment, the first liner 10 and the second liner 20 may be arranged in the vertical direction, and the first liner 10 is disposed above the second liner 20; the first and second

inner containers

10 and 20 may be arranged in the left-right direction, and the connection portions 30 are provided between the first and second

inner containers

10 and 20.

In this affair example, a two courage electric water heater still includes, shell, heat preservation, first heating pipe and second heating pipe, and first inner bag and second inner bag hold in the shell, and it has the heat preservation to fill in first inner bag and the shell, and it has the heat preservation to fill in second inner bag and the shell, and first heating pipe sets up in first inner bag, and the second heating pipe sets up in the second inner bag.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A double-liner electric water heater is characterized by comprising:

a first inner container;

the second inner container is provided with a water inlet and a water outlet;

a communication portion, comprising:

the first sub-communication part is formed by stretching the surface, close to the second inner container, of the first inner container outwards, the first sub-communication part is a boss, and a first through hole is formed in the surface of the first sub-communication part;

the second sub-communication part is formed by outwards stretching the surface of the second inner container close to the first inner container, the second sub-communication part is a flanging, and the section of the second sub-communication part is a second through hole;

the first inner container and the second inner container are arranged adjacently, the first through hole corresponds to the second through hole in position, the second through hole completely covers the first through hole, and the flanging is connected to the surface of the boss.

2. The dual bladder electric water heater according to claim 1, wherein the number of the communication portions is at least two.

3. The dual bladder electric water heater according to claim 2, wherein the distance between the two communication portions is not less than 50 mm.

4. The dual bladder electric water heater of claim 1, further comprising: and the water inlet pipe is connected to the water inlet and extends into the second inner container.

5. The dual bladder electric water heater of claim 2, further comprising: and the water outlet pipe is connected to the water outlet and penetrates through the second liner body and the communicating part and extends into the first liner.

6. The dual bladder electric water heater of claim 1 wherein the first through hole is a first circular hole and the second through hole is a second circular hole, the second circular hole having a diameter greater than the first circular hole.

7. The dual bladder electric water heater of claim 6 wherein the first circular aperture is at least 10mm in diameter.

8. The dual bladder electric water heater of claim 1 wherein the first bladder is disposed above the second bladder.

9. The dual bladder electric water heater according to claim 1, wherein the first bladder is disposed at one side of the second bladder in a horizontal direction.

10. The dual bladder electric water heater of claims 1-9, further comprising: the heating device comprises a shell, a heat preservation layer, a first heating pipe and a second heating pipe, wherein the first inner container and the second inner container are accommodated in the shell, the heat preservation layer is filled in the first inner container and the shell, the heat preservation layer is filled in the second inner container and the shell, the first heating pipe is arranged in the first inner container, and the second heating pipe is arranged in the second inner container.