CN219550846U

CN219550846U - Double-liner assembly and water heater

Info

Publication number: CN219550846U
Application number: CN202320277534.3U
Authority: CN
Inventors: 尚山峰; 汪峰; 王鹏; 祝兴洋; 隋蕊
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: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-18
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a double-liner assembly and a water heater, wherein the double-liner assembly comprises: the first inner container is provided with a through hole; the second liner is provided with a connecting pipe which extends outwards, the connecting pipe is communicated with the second liner, and the free end part of the connecting pipe is provided with an outward flanging structure; wherein, the flanging structure is arranged in the through hole, the flanging structure and the through hole are welded together, and the connecting pipe is communicated with the through hole. The outer flanging structure is formed on the connecting pipe and welded with the through hole, so that the distance between the two inner containers is accurately controlled, and the assembly precision and the processing quality are improved.

Description

Double-liner assembly and water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a double-liner assembly and a water heater.

Background

At present, water heaters are household appliances commonly used in daily life of people, and are classified into electric water heaters, gas water heaters, heat pump water heaters, solar water heaters and the like. The electric water heater is widely used because of its convenient use. The electric water heater can be divided into a water storage type electric water heater and an instant heating type electric water heater according to the heating power, and the water storage type electric water heater is provided with a water tank, so that the electric water heater has the characteristics of large water yield, stable water temperature and the like, and is purchased and used by more families.

The existing water storage type water heater is used for reducing the thickness of the whole water heater, improving the water storage capacity of the water heater, meeting the requirement of a large amount of water for users and adopting a double-liner mode. For example, chinese patent publication No. CN212205046U discloses a double-liner water heater, in which two liners are connected by a connecting pipe.

The connecting pipe adopts two-section structure, and every inner bag all is provided with one end body, and two body are pegged graft and are welded together. In the actual processing process, when two pipe bodies are spliced, the difference of the caliber of the pipe openings of the pipe bodies easily causes the non-uniform distance between two inner containers in different water heaters, so that the quality of the product is lower. In view of this, how to design a water heater with improved assembly accuracy and improved processing quality is a technical problem to be solved by the present utility model.

Disclosure of Invention

The utility model provides a double-liner assembly and a water heater, which are welded together through forming a flanging structure and a through hole on a connecting pipe, so that the distance between two liners is accurately controlled, and the assembly precision and the processing quality are improved.

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

a dual bladder assembly comprising:

the first inner container is provided with a through hole;

the second liner is provided with a connecting pipe which extends outwards, the connecting pipe is communicated with the second liner, and the free end part of the connecting pipe is provided with an outward flanging structure;

wherein, the flanging structure is arranged in the through hole, the flanging structure and the through hole are welded together, and the connecting pipe is communicated with the through hole.

In an embodiment of the present utility model, a boss is disposed on the first liner, a flat surface is formed on the boss, and the through hole is formed on the flat surface.

In one embodiment of the utility model, the connecting device further comprises a connecting ring, wherein the connecting ring is sleeved outside the connecting pipe; the connecting pipe is welded on the through hole through the connecting ring.

In one embodiment of the utility model, an inner joint edge is arranged at the inner edge of the connecting ring, an outer joint edge is arranged at the inner edge of the connecting ring, the inner joint edge is lapped on the flanging structure, and the inner joint edge is lapped on the edge of the through hole;

the outer joint edge and the edge of the through hole form a welding line, and the inner joint edge and the flanging structure or the pipe wall of the connecting pipe form a welding line.

In an embodiment of the present utility model, the connecting tube is integrally formed on the inner container by a deep drawing process.

In an embodiment of the present utility model, the first liner is provided with a plurality of through holes, the second liner is provided with a plurality of connecting pipes, and the connecting pipes are welded with the corresponding through holes.

In an embodiment of the present utility model, the first inner container and the second inner container respectively include a middle barrel and two seal heads, the middle barrel is disposed between the two seal heads, the side wall of the middle barrel of the first inner container is provided with the through hole, and the side wall of the middle barrel of the second inner container is provided with the connecting pipe.

In an embodiment of the utility model, the seal head is provided with a liner opening, and the liner opening is provided with a flange.

In an embodiment of the present utility model, a flow guiding component is disposed in the first inner container and/or the second inner container, the flow guiding component forms a flow guiding channel, and the flow guiding component is communicated through the connecting pipe.

In an embodiment of the present utility model, the flow guiding component is a flow guiding pipe.

The utility model also provides a water heater, which comprises a shell and a double-liner assembly, wherein the double-liner assembly is arranged in the shell.

Compared with the prior art, the utility model has the advantages and positive effects that: through offer the through-hole on first inner bag, corresponding formation connecting pipe on the second inner bag to set up the flanging structure with the mouth of pipe of connecting pipe, utilize the flanging structure can weld with the through-hole, so that first inner bag and second inner bag communicate each other, simultaneously, because the length of connecting pipe is can accurate control, and then distance between two inner bags of accurate control, through forming flanging structure and through-hole welding together at the connecting pipe, and then the distance between two inner bags of accurate control, in order to improve equipment precision and processingquality.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of one embodiment of a dual bladder assembly of the present utility model;

FIG. 2 is a schematic diagram of one embodiment of a dual bladder assembly according to the present utility model;

FIG. 3 is a partial schematic view of FIG. 2 at A;

FIG. 4 is a schematic view of the first liner of FIG. 1;

FIG. 5 is a partial schematic view of FIG. 4 at B;

FIG. 6 is a schematic view of the second liner of FIG. 1;

FIG. 7 is a schematic view of another embodiment of a dual bladder assembly of the present utility model;

FIG. 8 is a cross-sectional view of another embodiment of a dual bladder assembly of the present utility model;

FIG. 9 is a partial schematic view of FIG. 8C;

FIG. 10 is an exploded view of another embodiment of the dual bladder assembly of the present utility model;

FIG. 11 is a schematic view of the connecting ring of FIG. 10;

fig. 12 is a cross-sectional view of yet another embodiment of a dual bladder assembly of the present utility model.

Reference numerals illustrate:

the inner container comprises a first inner container 1, a through hole 101, a boss 102, a middle barrel 11, a seal head 12 and a flange 13;

the second liner 2, the connecting pipe 201, the flanging structure 202 and the connecting ring 203;

an inner overlap edge 2031, an outer overlap edge 2032;

a flow guiding member 3.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The electric water heater adopts electric energy as a main energy source, and the high-temperature heat generated after the electric energy is electrified directly heats water stored in the electric water heater so as to achieve the purpose of preparing hot water.

The electric water heater generally comprises a water tank, an electric heating component, an electric control board and the like, wherein a water storage cavity is formed in the water tank to store water to be heated, the electric heating component is inserted into the water storage cavity formed by the water tank, and the electric control board is used for controlling the electric heating component to be powered on and powered off so as to heat the water in the water tank to a set temperature.

For a water tank of an electric water heater, the water tank generally comprises a shell and an inner container, and an insulation layer is formed between the shell and the inner container. Wherein, the shell is generally made of plastic materials so as to meet the design requirements of beautiful and diversified shapes; the inner container can be a metal container body or a plastic container body according to the requirement.

As people have higher requirements on life quality, the number of family population is increased, and as users have more and more requirements on water storage type water heaters with large water storage capacity, customers have higher requirements on the overall size of the water heater while the customers have large water storage capacity, the overall size of the water heater is as thin as possible, the visual effect is good, and meanwhile, the space is saved. Thus, a double bladder assembly is provided for a multi-bladder water heater.

In addition, the heat preservation that forms between shell and the inner bag, the heat preservation material that commonly uses has: asbestos, sponge, foam, polyurethane foam, etc., and in order to obtain a good heat-insulating effect in the conventional art, a heat-insulating layer is usually formed by foaming.

For the liner adopting the metal liner body, the inside of the liner is easy to corrode due to the influence of water quality, and therefore, the water tank is also provided with a magnesium rod which is inserted into a water storage cavity in the water tank.

Since magnesium is the lowest potential metal in the electrochemical sequence, it is physiologically non-toxic. Therefore, the magnesium rod protective liner is very ideal to be used for manufacturing the magnesium rod protective liner. The size of the magnesium rod is directly related to the time of protecting the liner and the protecting effect, and the larger the magnesium rod is, the better the protecting effect is and the longer the protecting time is.

The water tank is also provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is used for conveying cold water into a water storage cavity formed in the water tank, and hot water in the water storage cavity is output from the water outlet pipe.

For the electric heating component, electric heating modes such as electric heating wires, magnetic energy or silicon tube heating can be adopted to heat water stored in the water storage cavity.

For the electric control board, the electric control board is used for receiving detection signals sent by related sensors (such as a water temperature sensor and a flow sensor) and controlling the electric heating component to be powered on and powered off.

When the electric water heater works, the electric heating component is controlled by the electric control board to be electrified and heated, and when the water temperature of the water in the water tank reaches a set value, the electric heating component is controlled by the electric control board to be powered off.

In a first embodiment, as shown in fig. 1-6, the present utility model provides a dual bladder assembly, comprising:

the first liner 1, the first liner 1 is provided with a through hole 101;

the second liner 2, there is outwardly extending connecting pipe 201 on the second liner 2, connecting pipe 201 communicates with second liner 2, the free end of connecting pipe 201 has flanging structure 202;

wherein the turnup structure 202 is located in the through hole 101, the turnup structure 202 and the through hole 101 are welded together, and the connecting pipe 201 is communicated with the through hole 101.

Specifically, the double liner assembly provided in the embodiment of the present utility model includes a first liner 1 and a second liner 2 that are connected together, and when the two liners are connected, the two liners are mutually matched with the through hole 101 through the connecting pipe 201 to perform a welding operation.

In a specific welding process, the relative positions of the first liner 1 and the second liner 2 are adjusted so that the flanging structure 202 is positioned in the through hole 101, so that the flanging structure 202 and the periphery of the through hole 101 form a welding plane, and then the flanging structure 202 and the flanging structure 202 are welded together by a welding gun.

Since the connection pipe 201 forms the flanging structure 202, a sufficiently large circular ring surface formed by the flanging structure 202 is welded with the outer circumference of the through hole 101, so as to meet the requirement of welding and fixing the connection pipe 201 on the first liner 1.

The whole length of the connecting pipe 201 can be uniform in size during processing, so that the distance between the two inner containers can be controlled through the connecting pipe 201, the problem that the distance between the two inner containers is not uniform due to the insertion pipe is solved, the assembly precision is improved, and the processing quality is also improved.

In an embodiment of the present utility model, the first liner 1 is provided with a boss 102, a flat surface is formed on the boss 102, and the through hole 101 is formed on the flat surface.

Specifically, in order to improve the processing flatness of the through hole 101, in order to better cooperate with the flanging structure 202 to improve the welding quality, a protruding boss 102 may be formed on the first liner 1, and the through hole 101 may be formed by punching a flat surface formed by the boss 102.

Thus, when the flanging structure 202 is placed in the through hole 101 during assembly, the annular surface formed by the flanging structure 202 can be located in the same plane with the flat surface formed by the boss 102, and then a welding gun can form a welding seam on a flat surface during welding, so that the welding quality is improved.

In the second embodiment, as shown in fig. 7-11, the present utility model further provides a double-liner assembly, in order to further facilitate positioning and accurate positioning between the flange structure 202 and the through hole 101, and further improve the welding reliability, the second liner 2 is further sleeved with a connecting ring 203 on the connecting pipe 201.

The connection ring 203 is sleeved outside the connection pipe 201, and the connection pipe 201 is welded to the through hole 101 through the connection ring 203.

Specifically, in the process of processing the second liner 2, the upper connecting pipe 201 is processed and prepared on the second liner 2, then the connecting ring 203 is sleeved on the connecting pipe 201, and then the flanging treatment is performed on the connecting pipe 201 to form the flanging structure 202.

The diameter of the turned-up structure 202 is larger than the inner diameter of the connection ring 203, thereby enabling the connection ring 203 to be restrained on the connection pipe 201.

While at the time of welding, the burring structure 202 is placed in the through-hole 101 with the connection ring 203 interposed between the through-hole 101 and the connection pipe 201, by welding respectively at the inner and outer edges of the connection ring 203, to weld-fix the edge of the through-hole 101 and the burring structure 202 together by the connection ring 203. And the two welding seams can further improve the connection strength between the first liner 1 and the second liner 2.

In addition, the connecting ring 203 further forms a positioning surface to limit the flat surfaces of the flanging structure 202 and the boss 102 due to the welding of the connecting ring 203, so that the assembly precision is improved.

In another embodiment, the inner edge of the connecting ring 203 is provided with an inner overlap edge 2031, the inner edge of the connecting ring 203 is provided with an outer overlap edge 2032, the inner overlap edge 2031 overlaps on the flanging structure 202, and the inner overlap edge 2031 overlaps on the edge of the through hole 101;

wherein the outer overlap edge 2032 forms a weld with the edge of the through hole 101, and the inner overlap edge 2031 forms a weld with the piping of the piping 201 or the piping of the piping 202.

Specifically, the two sides of the connecting ring 203 are respectively provided with a lapping edge, wherein the inner lapping edge 2031 is preassembled on the second liner 2 and lapped on the flanging structure 202. And after the first liner 1 and the second liner 2 are positioned in opposite positions and preassembled together, the outer overlapping edge 2032 overlaps the periphery of the through hole 101. In this way, during the welding process, the outer joint edge 2032 is welded to the peripheral edge of the through hole 101 of the first liner 1, and the inner joint edge 2031 is welded to the flange structure 202.

Wherein, because two sides of the connecting ring 203 form two overlapping edges, the cross section of the connecting ring 203 is in a T-shaped structure, after the first liner 1 and the second liner 2 are preassembled, the middle part of the connecting ring 203 is clamped between the inner edge of the through hole 101 and the outer edge of the flanging structure 202, so as to better position the positional relationship between the connecting pipe 201 and the through hole 101, and further precisely control the distance between the two liners to be kept uniform.

In an embodiment of the present utility model, the connecting tube 201 is integrally formed on the inner container by using a deep drawing process.

Specifically, for the second liner 2, the connection pipe 201 is formed on the second liner 2 by using a deep drawing process, so that the connection pipe 201 and the second liner 2 are integrally formed. And, in addition, the processing unit,

in one embodiment, the first liner 1 is provided with a plurality of through holes 101, the second liner 2 is provided with a plurality of connecting pipes 201, and the connecting pipes 201 are welded with the corresponding through holes 101.

Specifically, the plurality of connecting pipes 201 can more effectively firmly connect the first liner 1 and the second liner 2 together on one hand, and on the other hand, the plurality of connecting pipes 201 can further meet the water circulation flow requirement between the two liners.

In an embodiment of the present utility model, the first liner 1 and the second liner 2 respectively include a middle barrel and two seal heads, the middle barrel is disposed between the two seal heads, a through hole 101 is disposed on a side wall of the middle barrel of the first liner 1, and a connecting pipe 201 is disposed on a side wall of the middle barrel of the second liner 2.

Specifically, the first liner 1 and the second liner 2 are formed by splicing and welding the sealing heads arranged at the two ends of the middle barrel. Taking the first liner 1 as an example, the two ends of the middle barrel 11 are fixed with sealing heads 12 in a welding manner to form the first liner 1.

Wherein, for the first liner 1, through holes 101 are formed in the corresponding openings of the middle barrel 11; for the second liner 2, a connection pipe 201 is provided to the middle tub 11.

In the actual processing, for the middle tub 11, the plate material for processing into the middle tub 11 is subjected to the rounding process, and then, the rounded plate material is welded to form the middle tub 11. The processed middle tub is then perforated and deep drawn as needed to form the through hole 101 and the connection pipe 201, respectively.

In order to facilitate processing of the through hole 101 and the connection pipe 201, the middle tub 11 is subjected to a stage punching process to form a stage, and the first liner 1 is subjected to a hole punching process after forming the boss 102 on the processed stage. For the second liner 2, the connecting pipe 201 is formed by deep drawing process on the processed platform.

In one embodiment, one of the sealing heads 12 is provided with a liner opening, and the liner opening is provided with a flange 13.

Specifically, in order to meet the installation requirements of relevant components such as the electric heating pipe, a liner opening can be formed on one of the sealing heads, and a flange 13 can be arranged on the liner opening. In this way, the electric heating pipe, the temperature sensor and other related components can be mounted on the liner 1 through the flange 13.

Based on the above technical solution, optionally, as shown in fig. 12, in an embodiment of the present utility model, a flow guiding component 3 is disposed in the first liner 1 and/or the second liner 2, the flow guiding component 3 forms a flow guiding channel, and the flow guiding component 3 is communicated through a connecting pipe 201.

Specifically, since two inner containers are used to store hot water, in order to accelerate the circulation of water in the two inner containers, cold water in the upper inner container flows into the lower inner container, and hot water in the lower inner container flows into the upper inner container.

The inner containers are internally provided with the flow guide component 3, and the flow guide component 3 can guide water flow between the two inner containers so as to accelerate the flow of the water flow between the two inner containers and further improve the hot water output rate.

The diversion component 3 can be in a cylindrical structure, and the diversion component 3 on the right side in fig. 12 can enable cold water at the bottom of the first inner container 1 on the upper part to be quickly conveyed to the bottom of the second inner container on the lower part; the flow guiding component 3 at the left side in fig. 12 can enable the hot water at the top of the second inner container 2 at the lower part to flow into the upper hot water layer of the first inner container at the upper part so as to accelerate the water circulation flow speed between the two inner containers.

In another embodiment, the flow guiding member 3 is welded to the connection pipe 201 from the inside of the second liner 2.

Specifically, during the welding and assembling process, the diversion component 3 is welded from the inner side of the middle barrel 11 of the second liner 2, and then the sealing heads 12 at the two sides are welded.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A dual bladder assembly, comprising:

the first inner container is provided with a through hole;

2. The liner assembly of claim 1, wherein the first liner has a boss formed thereon, the boss having a planar surface, the through-hole being formed on the planar surface.

3. The liner assembly of claim 1, further comprising a connecting ring, the connecting ring being sleeved outside the connecting tube; the connecting pipe is welded on the through hole through the connecting ring.

4. A double liner assembly according to claim 3, wherein the inner edge of the connecting ring is provided with an inner overlap edge, the inner edge of the connecting ring is provided with an outer overlap edge, the inner overlap edge overlaps the flanging structure, the inner overlap edge overlaps the edge of the through hole;

5. The liner assembly of claim 1, wherein the connecting tube is integrally formed on the liner using a deep drawing process.

6. The double container assembly of claim 1, wherein the first container is provided with a plurality of through holes, and the second container is provided with a plurality of connecting pipes welded to the corresponding through holes.

7. The double liner assembly according to any one of claims 1-6, wherein the first liner and the second liner each comprise a middle barrel and two end caps, the middle barrel being disposed between the two end caps, the side wall of the middle barrel of the first liner being provided with the through hole, the side wall of the middle barrel of the second liner being provided with the connecting tube.

8. The liner assembly of claim 7, wherein a flow directing member is disposed in the first liner and/or the second liner, the flow directing member forming a flow directing channel, the flow directing member communicating through the connecting tube.

9. The bladder assembly of claim 8 wherein the flow directing member is a flow directing tube.

10. A water heater comprising a housing, further comprising a double liner assembly as claimed in any one of claims 1 to 9, the double liner assembly being disposed in the housing.