CN219177986U - Flat inner container and electric water heater - Google Patents

Abstract

The utility model discloses a flat inner container and an electric water heater, wherein the flat inner container comprises: the two liner shells are integrally of an arc-surface structure, at least one liner shell is provided with a mounting plane, the mounting plane is provided with a fixing hole, the edges of the two liner shells are welded together, and a water storage cavity is formed between the two liner shells; and the connecting pipe is arranged on the fixing hole. The connecting pipe is positioned through the mounting plane to be welded, so that the welding difficulty is reduced, the welding quality is improved, and the yield is improved.

Description

Flat inner container and electric water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a flat inner container and an electric water heater.

Background

At present, water heaters are household appliances commonly used in daily life of people, and the water heaters are divided into electric water heaters and gas water heaters according to different heating sources. The electric water heater is widely used because of its convenient installation. The electric water heater generally comprises a liner and an electric heater, wherein the electric heater is arranged in the liner to heat water in the liner through the electric heater.

Chinese patent publication No. CN214746451U discloses a flat inner container and an electric water heater, wherein the inner container is integrally flat, and the connecting tube is mounted on an arc surface of the container shell. In order to meet the requirement of installing the connecting pipe on the cambered surface, a cambered surface structure matched with the cambered surface of the liner shell needs to be formed at the end part of the connecting pipe. In the actual welding process, the connecting pipe needs to be matched and welded with the arc-shaped surface of the liner shell, so that the welding precision cannot be ensured, and the liner is easy to scrap due to welding deviation.

In view of this, how to design a technology for reducing welding difficulty and improving welding quality is a technical problem to be solved by the present utility model.

Disclosure of Invention

The utility model provides a flat liner and an electric water heater, wherein a connecting pipe is positioned through a mounting plane for welding, so that the welding difficulty is reduced, the welding quality is improved, and the yield is improved.

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

in one aspect, the present utility model provides a flat liner comprising:

the two liner shells are integrally of an arc-surface structure, at least one liner shell is provided with a mounting plane, the mounting plane is provided with a fixing hole, the edges of the two liner shells are welded together, and a water storage cavity is formed between the two liner shells;

and the connecting pipe is arranged on the fixing hole.

In an embodiment of the present application, a recess is provided on the liner shell, where the installation plane is provided, and the installation plane is provided on the recess.

In an embodiment of the present application, a protrusion is provided on the liner shell, where the installation plane is provided, and the installation plane is provided on the protrusion.

In an embodiment of the present application, the installation plane is close to a weld seam formed by two liner cases.

In an embodiment of the present application, the mounting plane is disposed at a bottom of the liner shell.

In an embodiment of the present application, the cross section of the liner shell has an arc segment and a straight line segment, and the straight line segment is close to a weld seam formed by two liner shells.

In an embodiment of the present application, the mounting plane is formed on the arc segment and/or the straight line segment.

In an embodiment of the present application, an annular positioning surface is formed at an end of the connecting pipe, the annular positioning surface is a plane, and the annular positioning surface is abutted to the installation plane.

In an embodiment of the present application, an end portion of the connecting pipe is provided with a plug portion, the annular positioning surface is arranged around the plug portion, and the plug portion is inserted into the fixing hole.

The utility model also provides an electric water heater, which comprises a shell and an inner container, wherein the shell is provided with a water inlet pipe and a water outlet pipe, the inner container adopts the flat inner container, the inner container is arranged in the shell, an insulating layer is arranged between the inner container and the shell, and the water inlet pipe and the water outlet pipe are respectively connected with the corresponding connecting pipes.

Compared with the prior art, the utility model has the advantages and positive effects that: through setting up the mounting plane on the courage shell to set up the fixed orifices on the mounting plane in order to satisfy the installation requirement of connecting pipe, at the in-process with the connecting pipe welding at the mounting plane, because the mounting plane is planar surface, the connecting pipe can adopt conventional welding mode to fix a position and accurate welded fastening on the courage shell, in order to overcome the circumstances emergence that the welding caused the connecting pipe crooked and lead to the inner bag to scrap on the cambered surface, fix a position the connecting pipe through the mounting plane and weld, with reduce the welding degree of difficulty and improve welding quality, improve the yield.

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 view of a flat liner according to an embodiment of the present utility model;

FIG. 2 is a second schematic structural view of an embodiment of a flat liner according to the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partially enlarged schematic illustration of region B of FIG. 3;

FIG. 5 is a third schematic view of a flat liner according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of an embodiment of an electric water heater according to the present utility model;

fig. 7 is an exploded view of an embodiment of the electric water heater of the present utility model.

Reference numerals illustrate:

a housing 1;

a rear shell 11, a lining plate 12 and a front shell 13;

an inner container 2;

a liner shell 21 and a connecting pipe 22;

the mounting plane 211, the straight line segment 212, the arc segment 213, the annular positioning surface 221 and the plug-in connection part 222;

a flange connection port 201, a connection frame 202 and a fixing hole 203;

an electric heating element 3.

Detailed Description

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 material, 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.

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 technology, a heat-insulating layer is usually formed by adopting a foaming mode.

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.

According to the embodiment of the utility model, the water tank for the electric water heater is provided. It should be noted that, the water tank in the embodiment of the utility model can be installed on a wall extending in a vertical direction, and also can be installed on a wall extending in a horizontal direction.

For convenience of description, the construction of the water tank will be described below taking an example in which the water tank is mounted to a vertical wall.

In a first embodiment, as shown in fig. 1 to 4, the present utility model provides a flat liner, comprising: the two liner shells 21 are integrally of an arc-surface structure, at least one liner shell is provided with a mounting plane 211, the mounting plane is provided with a fixing hole 203, the edges of the two liner shells are mutually welded together, and a water storage cavity is formed between the two liner shells;

and a connection pipe 22 provided on the fixing hole.

Specifically, the liner is generally flat in structure, i.e., has a thickness dimension less than its length and height dimensions. In order to meet the design requirement of the pressure vessel, the liner shell 21 is integrally in an arc-shaped structure, so that the liner has higher pressure resistance. The circumferential edges of the two bladder shells 21 are butted and welded together so that a water storage cavity is formed between the two bladder shells 21.

For the connection pipe 22, it functions as a water inlet pipe or a water outlet pipe for connecting the electric water heater. In order to meet the effective welding of the connecting pipe 22 to the liner cases 21, a mounting plane 211 is provided on one of the liner cases 21, the mounting plane 211 forming a flat surface. Thus, when the connecting pipe is welded to the liner shell, the connecting pipe 22 is in abutting fit with the mounting plane, so that the pre-assembly accuracy is effectively improved, in addition, in the welding process, the connecting pipe 22 is welded on a flat surface, and a welding seam is formed on the mounting plane 211, so that the occurrence of the condition that the liner 2 is scrapped due to the fact that the connecting pipe 22 is askew can be reduced.

In the actual use process, the overall shape of the liner 2 is designed according to the needs, for example: the liner 2 may have a circular or oval shape, and is not limited thereto.

In some embodiments, a recess is provided on the bladder housing provided with the mounting plane, the recess being provided with the mounting plane.

Specifically, in order to form the mounting plane 211 on the liner shell, the outer surface of the liner shell may be extruded from the outside to the inside, so as to form a recess portion on the liner shell, and then form the mounting plane in the recess portion, so as to meet the requirement of welding the connecting pipe.

Also, in another embodiment, in order to form the mounting plane on the bladder shell, a protrusion may be further provided on the bladder shell provided with the mounting plane, and the mounting plane may be provided on the protrusion.

Specifically, in order to form the mounting plane 211 on the liner shell, the inner surface of the liner shell may be extruded from the inside to the outside, so as to form a protruding portion on the liner shell, and then form the mounting plane on the protruding portion, so as to meet the requirement of welding the connecting pipe.

In some embodiments, the mounting plane is proximate to a weld formed by two of the liner shells.

Specifically, in order to reduce the influence on the overall shape of the liner shell caused by welding the connecting pipe, the installation plane is arranged at a position close to the welding seam of the two liner shells. In the actual assembly process, the connecting pipe is welded close to the edge of the liner shell, so that the influence on welding deformation of the whole cambered surface of the liner shell in the welding process is reduced.

In a certain embodiment, the mounting plane is arranged at the bottom of the bladder shell.

In particular, in order to facilitate the connection of the connection pipe with an external water pipe in the user's home, the installation plane is disposed at the bottom of the liner case. Thus, the connecting pipe is in an upright state and extends downwards from the bottom of the liner shell, and when the water pipe is connected in the home of a user, the connecting assembly between the water pipe and the connecting pipe can be completed at the bottom.

In some embodiments, the end of the connection tube forms an annular locating surface 221 that is planar and that abuts against the mounting plane.

Specifically, in order to improve the mounting reliability of the connection pipe 22, so that the connection pipe 22 can be accurately positioned and supported on the mounting plane, an annular positioning surface 221 is formed on the connection pipe 22. In actual assembly, the connecting pipe 22 can be abutted against the mounting plane through the annular locating surface 221 to achieve pre-locating, and then in the welding process, the connecting pipe is ensured to maintain an accurate welding posture through the matching of the annular locating surface 221 and the mounting plane.

In another embodiment, the end of the connecting tube is provided with a plug-in portion 222 around which the annular positioning surface is arranged, the plug-in portion being inserted into the fixing hole.

Specifically, during the assembly process, the insertion portion is inserted into the corresponding fixing hole 203. After the insertion part is inserted into the fixing hole 203, the connecting pipe 22 is preassembled into the fixing hole 203, and the annular positioning surface 221 is matched with the installation plane, so that the position relationship between the connecting pipe 22 and the liner shell 21 is accurately positioned.

In other embodiments, for bladder 21, the cross-section of the bladder has an arc segment 213 and a straight segment 212 that is proximate to the weld formed by the two bladders.

Specifically, during the welding process for the two liner cases 21, the edges of the two straight line segments 212 are welded to complete the welding of the two liner cases 21 together.

In an embodiment, the mounting plane is formed at the arc segment and/or the straight line segment.

Specifically, in the process of processing the liner shell to form the installation plane, the installation plane may be formed on the arc segment and/or the straight line segment according to needs.

In one embodiment, in order to meet the installation requirement of the electric heating component 3, a flange connection port 201 is provided on one liner shell 21. The electric heating part 3 can extend into the water storage cavity through the flange connection port 201 and is connected and fixed on the flange connection port 201.

In some embodiments, to meet the requirement of hanging the water tank, a connecting frame 202 may be further disposed on the other liner shell 21, and the connecting frame 202 may be fixedly mounted on the liner shell 21 by adopting a welding manner, and in use, the liner 2 is fixedly hung on a wall through the connecting frame 202.

In order to effectively improve the space utilization, the connecting frame 202 is disposed at the middle upper portion of the liner case 21 for the liner 2 having the greatest thickness at the middle portion thereof. Specifically, after the liner 2 is vertically installed on the wall, the distance between the middle part of the liner 2 and the wall is the smallest, and the distance between the liner 2 and the wall is gradually increased along the cambered surface of the liner shell 21 in the direction toward the edge of the liner 2. By connecting the connecting frame 202 to the middle and upper parts of the liner case 21, the space between the upper part of the liner 2 and the wall can be fully utilized to realize hanging installation.

In another embodiment, as shown in fig. 2, the installation plane 211 formed on the liner 2 is substantially perpendicular to the connection pipe 22 to meet the installation requirement.

Alternatively, as shown in fig. 5, for the installation plane, for convenience of machining and for smooth transition between the straight line segment 212 and the arc segment 213, the installation plane 211 may be inclined with respect to the connection pipe 22, and in particular, as shown in fig. 5, the installation plane 211 is arranged obliquely from the straight line segment 212 toward the arc segment 213, and the connection pipe 22 is arranged on the inclined installation plane 211.

In a second embodiment, as shown in fig. 6 to 7, an embodiment of the present application further provides an electric water heater, which includes a housing 1 and an electric heating component 3, and further includes an inner container 2 in the above embodiment.

Specifically, the liner 2 adopts a flattened design, and correspondingly, the shell 1 adopts a flattened design, and the thickness dimension is smaller than the dimension in the height and length directions, so that the dimension in the height and length directions can be fully utilized to meet the requirement of the water storage volume of the liner 2 in the electric water heater. Meanwhile, the whole thickness of the shell 1 is thinner, and the distance of the shell 1 protruding out of the wall is smaller, so that the effect of reducing the occupied amount of indoor effective space is achieved.

Because shell 1 and inner bag 2 are flat structure, form the foaming cavity between shell 1 and the inner bag 2, after the foaming material is poured into in the foaming cavity, the foaming material forms the foaming heat preservation between shell 1 and inner bag 2. The water inlet pipe and the water outlet pipe arranged on the shell 1 are connected with the corresponding connecting pipes 22 on the liner 2.

In some embodiments, to achieve a front-vision screwless design, the following structural design is employed for the housing 1. The housing 1 includes a rear case 11, a liner 12, and a front case 13. The rear shell 11 and the lining board 12 in the outer shell 1 are connected through screws, and a mounting cavity is formed between the rear shell 11 and the lining board 12 so as to mount the liner 2 through the mounting cavity. The rear shell 11 and the lining plate 12 are connected and fixed through screws, so that the rear shell and the lining plate directly have enough structural connection strength to meet the requirement of forming a heat insulation layer between the rear shell 1 and the liner 2 for structural strength.

In order to achieve the appearance effect of screwless exposure, the front shell 13 is mounted on the lining plate 12 in a clamping manner. Specifically, after the rear shell 11 and the lining board 12 are fixedly connected together, the front shell 13 is connected with the lining board 12 in a clamping manner. The clamping connection part is shielded by the front shell 13 by adopting the clamping mode, so that the appearance effect is optimized.

Through adopting the welt and with preceding shell and the indirect connection of backshell together, through the inseparable connection of screw between welt and the backshell to satisfy the overall structure intensity requirement of shell, and preceding shell is connected with the welt through the mode of joint, and preceding shell will cover the welt and then shelter from the screw, makes the whole effect of shell realize screwless exposed outward appearance effect, has optimized the whole outward appearance of shell, in order to improve user experience nature.

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 (10)

1. A flat liner, comprising:

the two liner shells are integrally of an arc-surface structure, at least one liner shell is provided with a mounting plane, the mounting plane is provided with a fixing hole, the edges of the two liner shells are welded together, and a water storage cavity is formed between the two liner shells;

and the connecting pipe is arranged on the fixing hole.

2. The flat liner according to claim 1, wherein the liner shell provided with the mounting plane is provided with a recess provided with the mounting plane.

3. The flat liner according to claim 1, wherein the liner shell provided with the mounting plane is provided with a projection provided with the mounting plane.

4. The flat liner according to claim 1, wherein the mounting plane is adjacent to a weld formed by two of the liner shells.

5. The flat liner according to claim 1, wherein the mounting plane is disposed at a bottom of the liner shell.

6. The flat liner according to any one of claims 1-5, wherein the cross-section of the liner shell has an arc segment and a straight segment, the straight segment being proximate to a weld formed by two of the liner shells.

7. The flat liner according to claim 6, wherein the mounting plane is formed at the arcuate segment and/or the straight segment.

8. The flat liner according to claim 1, wherein the end of the connecting tube forms an annular locating surface, the annular locating surface being planar, the annular locating surface being in abutment with the mounting plane.

9. The flat liner according to claim 8, wherein an end of the connection tube is provided with a socket portion around which the annular positioning surface is arranged, the socket portion being inserted into the fixing hole.

10. An electric water heater comprises a shell and an inner container, wherein a water inlet pipe and a water outlet pipe are arranged on the shell, and the electric water heater is characterized in that the inner container is a flat inner container according to any one of claims 1-9, the inner container is arranged in the shell, an insulating layer is arranged between the inner container and the shell, and the water inlet pipe and the water outlet pipe are respectively connected with corresponding connecting pipes.

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