CN219624257U - Liner structure and water heater - Google Patents

Abstract

The utility model discloses an inner container structure and a water heater, wherein the inner container structure comprises an inner container main body, a first end cover and a first reinforcing piece, the inner container main body comprises a shell and a separation part, two side parts of the separation part which are oppositely arranged are respectively connected with the cavity wall of an inner cavity of the shell so as to separate the inner cavity of the shell into two cavities which are mutually communicated, and one end of the shell corresponding to the separation part is provided with a first opening; the first end cover is arranged at the first opening and welded with the shell; the first reinforcement is disposed on the first end cap. Through set up first reinforcement on first end cover, first reinforcement makes the intensity increase of first end cover for the bearing of inner bag structure can reach required standard, in order to solve two courage inner bag structure end cover pressure too big, has the problem of potential safety hazard.

Description

Liner structure and water heater

Technical Field

The utility model relates to the field of household appliances, in particular to an inner container structure and a water heater.

Background

In order to reduce the occupied space and reduce the diameter of the enamel inner container and achieve the purpose of reducing the volume and thickness of the electric water heater, the enamel inner container generally adopts a double-inner container structural design, and two small-diameter cylindrical inner containers are connected in series. At present, one of the commonly used series connection modes is that a plurality of connecting pipes are adopted between two small cylindrical inner containers and are fixedly connected through welding, the welding process of the structure is complex, the operability of the production process is slightly difficult, and the problems of uneven enamel layers, porcelain shortage and the like of the connecting pipe parts still occur in the enamel process because of uneven positions of the connecting pipes, and the like, so that the corrosion of the carbon steel inner containers and the like can be caused; the other way of the series connection is to weld a plurality of flanging flanges respectively on the middle rings of the two inner containers, the flanges are butted after the two inner containers are respectively enameled, and the flanges are welded and fixed on the outer sides of the flanges.

In order to enable the volume of the double-liner structure to be smaller, the two liners can be arranged side by side up and down, and an overlapping intersection exists at the intersection of the two liners, but the pressure born by the end cover can be larger, and a certain potential safety hazard is brought.

Disclosure of Invention

The utility model mainly aims to provide an inner container structure and a water heater, and aims to solve the problems that the pressure of an end cover of a double-container inner container structure is too high and potential safety hazards exist.

In order to achieve the above object, the present utility model provides a liner structure, wherein the liner structure includes:

the inner container main body comprises a shell and a separation part, wherein two side parts of the separation part which are oppositely arranged are respectively connected with the cavity wall of the inner cavity of the shell so as to separate the inner cavity of the shell into two cavities which are mutually communicated, and a first opening is formed in one end of the shell corresponding to the separation part;

the first end cover is covered on the first opening and welded with the shell; the method comprises the steps of,

the first reinforcement is arranged on the first end cover.

The first end cover is provided with a through hole communicated with the inner cavity of the shell;

the first reinforcement is covered on the through hole.

Optionally, the through hole is disposed corresponding to the partition.

Optionally, the through hole is provided as an elongated hole, and the through hole has two long side walls and two end walls, the two end walls being provided with circular arc chamfers.

Optionally, the first reinforcement includes a first sealed lid, locates the first hem of sealed lid periphery, first hem stretches into to the through-hole, and with the inner wall subsides of through-hole.

Optionally, the first end cover includes two adjacent first cover portions, two first cover portions are respectively corresponding to two cavities, and the through hole penetrates between the two first cover portions.

Optionally, each of the first cover portions is disposed in a protruding manner in a direction away from the corresponding first opening.

Optionally, a through hole for the parts in the corresponding cavity to pass through is formed in the middle of each first cover part, and each through hole is correspondingly formed at one end of one cavity;

the inner container structure also comprises a flange plate or a screw head pipe arranged at the penetrating hole, and the flange plate or the screw head pipe is used for installing parts.

Optionally, the other end of the shell is provided with a second opening, the liner structure further comprises a second end cover covered on the second opening, and the second end cover, the shell and the first end cover enclose together to form an inner cavity of the liner body.

Optionally, the second end cover includes two second cover portions that are adjacently disposed, each second cover portion is disposed corresponding to another end of the cavity, and each second cover portion is disposed in a protruding manner in a direction away from the corresponding second opening.

Optionally, a mounting hole is penetrated between the two second cover parts;

the liner structure further comprises a second reinforcing piece, and the second reinforcing piece is covered on the mounting hole.

Optionally, the second reinforcement includes the second sealed lid, and locates the second edge of turning over of the peripheral sealed lid of second, the second edge of turning over stretches into to the mounting hole, and with the inner wall subsides of mounting hole are met.

Optionally, the liner structure further includes a hanger, and the hanger is connected with the second reinforcement.

Optionally, the housing includes a first housing and a second housing distributed along a direction in which sides of the housing are located, the sides of the first housing and the second housing being curved in directions away from each other;

the two side parts of the separation part are respectively connected with the two side parts of the first shell which are oppositely arranged.

Optionally, a chamfer is provided at the connection of the first housing and the second housing.

Optionally, a water outlet hole for installing a water outlet pipe is further formed in the first end cover.

The utility model also provides a water heater, which comprises an inner container structure, wherein the inner container structure further comprises:

the inner container main body comprises a shell and a separation part, wherein two side parts of the separation part which are oppositely arranged are respectively connected with the cavity wall of the inner cavity of the shell so as to separate the inner cavity of the shell into two cavities which are mutually communicated, and a first opening is formed in one end of the shell corresponding to the separation part;

the first end cover is covered on the first opening and welded with the shell; the method comprises the steps of,

the first reinforcement is arranged on the first end cover.

According to the technical scheme provided by the utility model, the inner cavity of the shell is divided into two cavities which are communicated with each other by the separation part, a double-liner structure is formed in the shell, and the strength of the first end cover at the through hole is increased by arranging the first reinforcing piece, so that the bearing capacity of the liner structure can reach the required standard, and the problems that the pressure of the end cover of the double-liner structure is overlarge and potential safety hazards exist are solved.

Drawings

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

FIG. 1 is a schematic perspective view of an embodiment of a liner structure according to the present utility model;

FIG. 2 is an exploded view of the liner structure of FIG. 1;

FIG. 3 is a schematic plan view of the first end cap of FIG. 1;

FIG. 4 is a schematic perspective view of the first end cap of FIG. 3;

FIG. 5 is a schematic plan view of the liner structure of FIG. 1 from another perspective;

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

FIG. 7 is a schematic plan view of another embodiment of a liner structure according to the present utility model;

fig. 8 is a schematic perspective view of the second end cap of fig. 7.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Liner structure	3	First reinforcement
1	Liner main body	31	First sealing cover
				11	Shell body	32	First turnup edge
a	A first opening	4	Flange plate
				111	First shell body	5	Second end cap
112	Second shell	51	A second cover part
				12	Partition part	d	Mounting hole
2	First end cap	6	Second reinforcing member
				b	Through hole	61	Second sealing cover
21	A first cover part	62	Second turnup edge
				c	Through hole	7	Hanging ear

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the 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, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In order to reduce the occupied space and reduce the diameter of the enamel inner container and achieve the purpose of reducing the volume and thickness of the electric water heater, the enamel inner container generally adopts a double-inner container structural design, and two small-diameter cylindrical inner containers are connected in series. At present, one of the commonly used series connection modes is that a plurality of connecting pipes are adopted between two small cylindrical inner containers and are fixedly connected through welding, the welding process of the structure is complex, the operability of the production process is slightly difficult, and the problems of uneven enamel layers, porcelain shortage and the like of the connecting pipe parts still occur in the enamel process because of uneven positions of the connecting pipes, and the like, so that the corrosion of the carbon steel inner containers and the like can be caused; the other way of the series connection is to weld a plurality of flanging flanges respectively on the middle rings of the two inner containers, the flanges are butted after the two inner containers are respectively enameled, and the flanges are welded and fixed on the outer sides of the flanges. In order to enable the volume of the double-liner structure to be smaller, the two liners can be arranged side by side up and down, and an overlapping intersection exists at the intersection of the two liners, but the pressure born by the end cover can be larger, and a certain potential safety hazard is brought.

In order to solve the above-mentioned problems, the present utility model provides a liner structure 100, and fig. 1 to 8 illustrate an embodiment of the liner structure 100 according to the present utility model.

Referring to fig. 1 to 4, the liner structure 100 includes a liner body 1, a first end cap 2 and a first reinforcement 3, the liner body 1 includes a housing 11 and a partition 12, two opposite sides of the partition 12 are respectively connected with a cavity wall of an inner cavity of the housing 11, so as to divide the inner cavity of the housing 11 into two cavities that are mutually communicated, and the housing 11 is provided with a first opening a at one end corresponding to the partition 12; the first end cover 2 is covered on the first opening a and welded with the shell 11; the first reinforcement 3 is provided to the first end cap 2.

In the technical scheme provided by the utility model, the inner cavity of the shell 11 is divided into two mutually communicated cavities by the partition part 12, and the strength of the first end cover 2 at the through hole b is increased by arranging the first reinforcing piece 3, so that the bearing capacity of the liner structure 100 can reach the required standard, and the problem that the end cover pressure of the double-liner structure 100 is overlarge and potential safety hazards exist is solved.

It can be understood that in the assembly welding production process, welding defects are generated due to welding, fusion is generated at the welding seam, polishing treatment is needed at the welding defect, defects are generated at the welding seam of the end cover and the liner shell after the end cover and the liner shell of the liner are carried out, however, dead angles exist between the end cover and the liner shell at the moment, the polishing tool cannot treat the welding defects at the positions, the liner is possibly in a porcelain-free area, and hidden quality hazards of liner corrosion are left.

Further, in this embodiment, the first end cover 2 is provided with a through hole b communicating with the inner cavity of the housing 11, and the first reinforcement member 3 is covered on the through hole b. So set up, when first end cover 2 with casing 11 welds, the welding place can form welding defect, through in casing 11 forms two courage structures, when first end cover 2 with casing 11 welds, the welding place can form welding defect, through set up through-hole b on the first end cover 2 to conveniently polish the grinding device of welding defect enters into the inside of casing 11 cavity, polishes the processing to the defect, after polishing finishes, first reinforcement 3 lid is located through-hole b for the inner chamber of inner bag main part 1 forms confined heating cavity, simultaneously first reinforcement 3 will the intensity of first end cover 2 increases, simplifies the structure, also solves the problem that two courage inner bag structures 100 can't handle the welding defect of dead angle department in the welding process.

When the liner structure 100 is assembled, the case 11 and the partition 12 are welded together, and the case 11 is provided with the first opening a, so that the polishing device can conveniently process the welding defect on the case 11 and the partition 12 through the first opening a, and after the processing is completed, the peripheral edge of the case 11 corresponding to the first opening a and the peripheral edge of the first end cover 2 are welded together, but similarly, the welding defect occurs at the welding position of the case 11 and the first end cover 2, and dead angles occur at the gaps among the partition 12, the case 11 and the first end cover 2.

In addition to the two chambers that are communicable with each other and that are provided at a distance from each other in the first end cap 2 and the partition 12, a plurality of communication holes may be formed in the partition 12 in addition to the passage that communicates the two chambers and is formed on the inner wall side of the first end cap 2.

Further, in order to facilitate handling of the welding defect between the partition 12 and the first end cap 2, in the present embodiment, the through hole b is provided corresponding to the partition 12. The convenient grinding device can directly extend into the cavity from the position of the through hole b, and can treat welding defects near the through hole b just like the convenience.

Specifically, referring to fig. 3, in the present embodiment, the through hole b is provided as an elongated hole, and the through hole b has two long side walls and two end walls provided with circular arc chamfers. The two end walls of the through hole b and the two side parts of the partition part 12 are arranged in one-to-one correspondence, so that the dead angle generated by the special form can be polished conveniently. By arranging the arc chamfer, stress concentration on two ends of the long hole is avoided. In this embodiment, the size of the circular arc chamfer provided by the two end walls may be adapted according to the actual shape and size of the through hole b, and the specific size of the circular arc chamfer is not specifically limited in the scheme of the present utility model.

Specifically, because the water in the liner generates high-temperature steam pressure during the working process, the liner is subjected to a high pressure which is larger and longer, the first end cover 2 needs to be subjected to a certain high pressure, so that the strength of the first end cover 2 needs to reach a set strength, the through hole b is formed in the first end cover 2, the strength of the first end cover 2 corresponding to the through hole b is weaker, and in order to enable the strength corresponding to the through hole b to reach the set strength, in this embodiment, the first reinforcement member 3 comprises a first sealing cover body 31 and a first flanging 32 arranged at the periphery of the first sealing cover body 31, and the first flanging 32 extends into the through hole b and is in contact with the inner wall of the through hole b. The first flanging 32 is welded to the inner wall of the through hole b, so that the strength of the inner wall surface of the through hole b is increased, and the first sealing cover 31 not only seals the through hole b, but also can support the inner wall of the through hole b on the plane where the first sealing cover 31 is located.

Specifically, in this embodiment, the first end cover 2 includes two first cover portions 21 disposed adjacently, the two first cover portions 21 are disposed corresponding to the two cavities, and the through hole b is disposed between the two first cover portions 21. The two first cover portions 21 are respectively adapted to the shape of the first opening a corresponding to the housing 11, and each first cover portion 21 can be enclosed together with the partition portion 12 and the housing 11 corresponding to the inner cavity to form a single liner structure 100.

Further, in the present embodiment, each of the first cover portions 21 is provided in a convex shape in a direction away from the corresponding first opening a. By the arrangement, on one hand, each first cover part 21 can have better bearing capacity, and on the other hand, when the heating element is arranged in each cavity, the fixing element capable of fixedly installing the heating element is conveniently arranged on each first cover part 21.

Specifically, in order to facilitate installation of components such as a heating element or a water pipe, in this embodiment, a through hole c for passing through components disposed in the corresponding cavity is disposed in the middle of each first cover portion 21, and each through hole c is disposed corresponding to one end of one cavity; the liner structure 100 further comprises a flange 4 or a screw head pipe disposed at the through hole c, and the flange 4 or the screw head pipe is used for mounting components. For the convenience of installation, the flange 4 can be arranged at the through hole c, and the through hole of the flange 4 is arranged corresponding to the through hole c. It will be appreciated that the two cavities may be selected for mounting the flange 4 or the screw head pipe at the same time, which is not limited in this embodiment.

It should be noted that, the through hole c is set as a flanging hole, so that an annular flanging protruding out of the outer surface of the first end cover 2 is formed, and the flange 4 may be directly sleeved on the annular flanging, so that the flange 4 is convenient to install. The flange 4 sleeved on the annular outward flange can be fixed in various manners, for example, the flange 4 and the annular outward flange can be fixed through screw connection pieces and are fixed through glue bonding. Specifically, in one embodiment, the flange 4 is riveted with the annular flanging, so that the assembly and disassembly are convenient. In another embodiment of the present utility model, the outer end of the annular flange is bent laterally outwards, so that an annular clamping groove is formed between the annular flange and the outer surface of the first end cover 2, and a clamping portion is convexly provided on the inner wall surface of the flange 4, and the clamping portion is clamped in the annular clamping groove, so that the fixation between the annular flange and the flange 4 is achieved, and the structure is simple and easy to operate.

Specifically, the specific form of the flange 4 is not limited, in one embodiment, the inner hole of the flange 4 is provided with an internal thread, the heating device may extend into the first end cap 2 through the inner hole, the internal thread in the inner hole is used for adapting and fixing the screw element on the heating device, and the internal thread of the inner hole is beneficial to quick installation of the heating device.

In order to make the connection between the flange 4 and the first end cover 2 firm, in the embodiment of the present utility model, the flange 4 and the first end cover 2 are welded and fixed, so that the connection is firm, and the flange 4 is prevented from moving relative to the first end cover 2, so as to affect the installation effect of the heating device and/or the water inlet and outlet pipe.

The flange 4 and the first end cover 2 are fixed by welding, and the utility model adopts laser welding, however, in other embodiments, arc welding, gas welding, resistance welding, etc. can also be adopted. Specifically, the present utility model is not limited thereto.

Further, referring to fig. 7 and 8, in order to facilitate the processing, forming and assembling, in another embodiment, a second opening is provided at the other end of the housing 11, the liner structure 100 further includes a second end cap 5 covering the second opening, and the second end cap 5, the housing 11 and the first end cap 2 together enclose an inner cavity of the liner body 1. In this way, during production, after the casing 11 and the partition 12 are welded, the casing may be welded with the first end cover 2 and the second end cover 5, and the first end cover 2, the second end cover 5 and the casing 11 are formed separately in different areas, so that the forming difficulty of the liner structure 100 is reduced, and the liner structure is suitable for mass production.

Specifically, in this embodiment, the second end cover 5 includes two second cover portions 51 disposed adjacently, each second cover portion 51 is disposed corresponding to the other end of one of the cavities, and each second cover portion 51 is disposed in a protruding manner in a direction away from the corresponding second opening. The two second cover portions 51 are respectively adapted to the shape of the second opening corresponding to the housing 11, and each of the first cover portions 21 and the corresponding second cover portions 51 may be enclosed together with the partition portion 12 and the housing 11 corresponding to the inner cavity to form a single liner structure 100, and the two first cover portions 21 and the two second cover portions 51 and the two cavities together form a double liner structure.

Further, in order to correspondingly process the second opening, the partition 12 and the housing 11 have a welding defect when being welded with the second end cap 5, and in this embodiment, a mounting hole d is formed between the two second cap portions 51; the liner structure 100 further includes a second reinforcement member 6, where the second reinforcement member 6 covers the mounting hole d. The mounting hole d may be understood as another through hole b, and the inner container may be sealed by providing the second reinforcement 6, except for the convenience of handling the welding flux therein.

Further, in order to facilitate handling of the welding defect between the partition 12 and the second end cap 5, in the present embodiment, the mounting hole d is also provided corresponding to the partition 12. Therefore, the polishing device can be directly extended into the cavity from the mounting hole d, and welding defects near the mounting hole d can be conveniently treated.

Specifically, the mounting hole d is also provided as an elongated hole, and the mounting hole d also has two long side walls and two end walls provided with circular arc chamfers. It should be noted that, since the second end cap 5 does not need to be provided with a flange, the size of the installation hole d may be set according to the strength requirement and the polishing requirement. In this embodiment, the size of the circular arc chamfer provided by the two end walls may be adapted according to the shape and size of the actual mounting hole, and the specific size of the circular arc chamfer is not specifically limited in the scheme of the present utility model.

Specifically, in this embodiment, the second reinforcement member 6 includes a second sealing cover 61, and a second flanging 62 disposed at a periphery of the second sealing cover 61, where the second flanging 62 extends into the mounting hole d and is attached to an inner wall of the mounting hole d. The second flanging 62 is welded to the inner wall of the mounting hole d, so that the strength of the inner wall surface of the mounting hole d is increased, and the second sealing cover 61 not only seals the mounting hole d, but also supports the inner wall of the through hole b on the plane of the second sealing cover 61.

Further, when the enamel process is performed or the anti-corrosion plastic layer is coated, the liner structure 100 needs to be hung, so that the process of coating the anti-corrosion plastic layer on the first end cover 2, the second end cover 5 and the liner main body 1 can be successfully completed, so in this embodiment, the liner structure 100 further includes the hanging lugs 7, the hanging lugs 7 are mounted on the outer side wall of the second end cover 5 or the outer side wall of the shell 11, and in this embodiment, the hanging lugs 7 are connected with the second reinforcing member 6. So set up, can with the second end cover 5 with after the casing 11 welding is accomplished, with the second reinforcement 6 with after the second end cover 5 welding, at last with the hangers 7 with the lateral wall welding of second reinforcement 6.

In addition, it is understood that the structure of the hanging lugs 7 is not particularly limited, in this embodiment, the hanging lugs 7 are U-shaped, and in another embodiment of the present utility model, two hanging lugs 7 are provided, and two hanging lugs 7 are respectively provided on the first end cover 2 and the second end cover 5.

Specifically, the liner structure 100 further includes a wall-hanging bracket, where the wall-hanging bracket is mounted on an outer sidewall of the second end cover 5, and the second end cover 5 is fixed on a wall body through the wall-hanging bracket, so that the second end cover 5 is convenient to mount, and the structure is simple, so that the second end cover 5 is stably mounted.

Specifically, in order to enable the shell 11 to be convenient to process and to have better bearing capacity, in this embodiment, the shell 11 includes a first shell 111 and a second shell 112 distributed along a direction in which a side portion of the shell 11 is located, and side portions of the first shell 111 and the second shell 112 are bent in a direction away from each other, so that cross sections of the first shell 111 and the second shell 112 form an 8-shaped structure, two side portions of the partition portion 12 are respectively connected with two side portions of the first shell 111, which are oppositely arranged, so that the liner structure 100 can construct two independent liners which are mutually communicated, and the overall size and occupied space of each liner are smaller on the premise that the bearing capacity and the capacity can reach standards.

The sizes of the first housing 111 and the second housing 112 are not limited, that is, the diameter of the first housing 111 may be set larger than the diameter of the second housing 112, or the diameter of the first housing 111 may be set smaller than the diameter of the second housing 112, and of course, in the preferred embodiment, the diameter of the first housing 111 is equal to the diameter of the second housing 112.

Further, referring to fig. 5, in the present embodiment, a chamfer is provided at the connection between the first housing 111 and the second housing 112. The chamfer is preferably an arc chamfer, a dead angle is not formed between the first shell 111 and the second shell 112, dirt is prevented from being hidden, stress between the first shell 111 and the second shell 112 can not be concentrated too much due to the chamfer, and the risk of breakage of the joint of the two shells 11 is avoided. Of course, the size of the chamfer here may be adjusted according to the specific dimensions of the first housing 111 and the second housing 112, and the chamfer size here is not specifically limited in the present utility model.

Specifically, in this embodiment, the first end cover 2 is further provided with a water outlet hole for installing a water outlet pipe. Of course, the water outlet pipe is not limited to be installed on the first end cover 2, in another embodiment, the housing 11 is provided with a water inlet and a water outlet, and the water inlet and the water outlet are both communicated with the inner cavity of the housing 11, so that water is added to the liner main body 1 through the water inlet, and water in the liner main body 1 is discharged through the water outlet, thereby realizing circulation of water and ensuring normal operation of the water heater.

The utility model also provides a water heater, which comprises an electric water heater or a water heater adopting an electric heating mode, wherein the water heater comprises the inner container structure 100, and the specific structure of the inner container structure 100 refers to the embodiment because the inner container structure 100 of the water heater adopts all the technical schemes of all the embodiments, so that the water heater at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (17)

1. A liner structure, comprising:

the inner container main body comprises a shell and a separation part, wherein two side parts of the separation part which are oppositely arranged are respectively connected with the cavity wall of the inner cavity of the shell so as to separate the inner cavity of the shell into two cavities which are mutually communicated, and a first opening is formed in one end of the shell corresponding to the separation part;

the first end cover is covered on the first opening and welded with the shell; the method comprises the steps of,

the first reinforcement is arranged on the first end cover.

2. The liner structure according to claim 1, wherein the first end cap is provided with a through hole communicating with the inner cavity of the housing;

the first reinforcement is covered on the through hole.

3. The liner structure according to claim 2, wherein the through holes are provided corresponding to the partition portions.

4. A liner structure as claimed in claim 3, wherein the through-hole is provided as an elongate hole and has two long side walls and two end walls provided with rounded corners.

5. The liner structure of claim 2, wherein the first reinforcement includes a first sealing cover and a first folded edge provided at a periphery of the first sealing cover, the first folded edge extending into the through hole and being attached to an inner wall of the through hole.

6. The liner structure of claim 2, wherein the first end cap includes two adjacently disposed first cap portions, the two first cap portions being disposed in correspondence with the two cavities, respectively, the through hole being disposed between the two first cap portions.

7. The liner structure of claim 6, wherein each of the first cover portions is convexly disposed in a direction away from the corresponding first opening.

8. The liner structure according to claim 6, wherein a through hole for passing through a component disposed in the corresponding cavity is provided in a middle portion of each of the first cover portions, each of the through holes being disposed corresponding to one end of one of the cavities;

the inner container structure also comprises a flange plate or a screw head pipe arranged at the penetrating hole, and the flange plate or the screw head pipe is used for installing parts.

9. The liner structure of claim 1, wherein the other end of the housing is provided with a second opening, the liner structure further comprising a second end cap covering the second opening, the second end cap and the housing and the first end cap together enclosing an interior cavity of the liner body.

10. The liner structure of claim 9, wherein the second end cap includes two adjacently disposed second cap portions, each second cap portion being disposed in correspondence with another end of one of the cavities, each second cap portion being disposed in a convex manner in a direction away from the corresponding second opening.

11. The liner structure according to claim 10, wherein a mounting hole is formed between the two second cover portions;

the liner structure further comprises a second reinforcing piece, and the second reinforcing piece is covered on the mounting hole.

12. The liner structure of claim 11, wherein the second reinforcement includes a second sealing cover and a second folded edge provided at a periphery of the second sealing cover, the second folded edge extending into the mounting hole and being attached to an inner wall of the mounting hole.

13. The liner structure of claim 11, further comprising a tab, the tab being connected to the second reinforcement member.

14. The liner structure according to claim 1, wherein the housing includes first and second housings distributed along a direction in which side portions of the housing are located, the side portions of the first and second housings being curved in directions away from each other;

the two side parts of the separation part are respectively connected with the two side parts of the first shell which are oppositely arranged.

15. The liner structure of claim 14, wherein a chamfer is provided at a junction of the first shell and the second shell.

16. The liner structure of claim 1, wherein the first end cap is further provided with a water outlet hole for installing a water outlet pipe.

17. A water heater comprising a liner structure as claimed in any one of claims 1 to 16.