CN218993685U

CN218993685U - Liner structure and electric water heater

Info

Publication number: CN218993685U
Application number: CN202223256101.4U
Authority: CN
Inventors: 宋瑞伦; 唐虎; 申勇兵
Original assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-09
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an inner container structure and an electric water heater, wherein the inner container structure comprises an inner container main body and a flange plate, the flange plate is arranged at the mounting hole through the mounting hole of the inner container main body, and a heating device and/or a water inlet and outlet pipe are arranged through the flange plate, so that the heating device and/or the water inlet and outlet pipe penetrates through the mounting hole to extend into the inner container main body.

Description

Liner structure and electric water heater

Technical Field

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

Background

With the continuous improvement of the living standard of people, the electric water heater is gradually introduced into the daily life of people. At present, in order to prolong the service life of the electric water heater, the inner container of the electric water heater is generally subjected to corrosion prevention treatment, and the conventional corrosion prevention treatment has complex working procedures and poor reliability.

Disclosure of Invention

The utility model mainly aims to provide an inner container structure and an electric water heater, and aims to solve the problems of complex antiseptic treatment procedures and poor reliability of the inner container structure in the prior art.

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

the inner container comprises an inner container main body, wherein the inner container main body is provided with a mounting hole; the method comprises the steps of,

the flange plate is arranged at the mounting hole and is used for mounting a heating device and/or a water inlet and outlet pipe;

wherein, the inner wall surface of inner bag main part is provided with anticorrosive plastic layer.

Optionally, the anti-corrosion plastic layer is laid to the inner wall of the mounting hole.

Optionally, the mounting hole is configured as a flanging hole to form an annular flanging protruding from an outer surface of the liner body;

the flange plate is sleeved on the annular outward turning edge.

Optionally, the anti-corrosion plastic layer is arranged on the inner side surface and the outer end surface of the annular flanging;

the outer end face of the flange plate is flush with the outer end face of the annular flanging.

Optionally, the flange plate is in riveting fit with the annular flanging.

Optionally, the outer end of the annular outward flange is bent laterally and outwards, so that an annular clamping groove is formed between the annular outward flange and the outer surface of the liner main body;

the inner wall surface of the flange plate is convexly provided with a clamping part, and the clamping part is clamped in the annular clamping groove.

Optionally, the clamping part is arranged in a step manner so as to form a first abutting section extending along the axial direction of the mounting hole, and the first abutting section at least partially abuts against the bottom of the annular clamping groove.

Optionally, the clamping part further comprises a second abutting section extending along the radial direction of the mounting hole, wherein the second abutting section is connected with the first abutting section and abuts against the side surface of the annular clamping groove away from the liner main body.

Optionally, the first abutting section and the second abutting section are in arc transition arrangement.

Optionally, the thickness of the anti-corrosion plastic layer is H, wherein H is more than or equal to 2mm and less than or equal to 5mm.

Optionally, the material of the anticorrosion plastic layer comprises crosslinked polyethylene.

Optionally, the flange plate and the liner body are welded and fixed.

Optionally, the bottom and/or the side of the liner body are provided with the mounting holes.

Optionally, the inner bag main part includes the ladle body and divides locates two end covers of ladle body both sides, two the end cover with the ladle body butt joint is fixed through the welded connection.

Optionally, the bowl and/or the end cap are provided with the mounting hole.

Optionally, a drain outlet is arranged on the lower side of the liner main body, and the drain outlet is communicated with the inner cavity of the liner main body.

Optionally, the anti-corrosion plastic layer is arranged on the inner wall surface of the sewage outlet.

Optionally, the liner body 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 liner body.

Optionally, the anti-corrosion plastic layer is arranged on the inner wall surfaces of the water inlet and the water outlet.

Optionally, the liner body is provided with at least two, and the at least two liner bodies are communicated;

the mounting hole and the flange plate jointly form a mounting structure, and the mounting structure is arranged on one of the at least two liner main bodies.

Optionally, the at least two liner bodies are arranged in series.

Optionally, the installation structure is provided in plurality, and a plurality of installation structures are respectively arranged on the at least two liner main bodies.

Optionally, the at least two liner bodies are arranged at intervals along the up-down direction.

Optionally, two adjacent liner bodies are communicated through at least two communicating pipelines.

Optionally, the wall hanging bracket is mounted on the outer side wall of the liner body and used for fixing the liner body on a wall body.

Optionally, the liner further comprises a hanging lug, and the hanging lug is mounted on the outer side wall of the liner main body.

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

According to the technical scheme, the flange plate is arranged at the mounting hole through the mounting hole formed in the liner body, the heating device and/or the water inlet and outlet pipe are/is arranged through the flange plate, the heating device and/or the water inlet and outlet pipe penetrates through the mounting hole to extend into the liner body, when the heating device is arranged on the flange plate, water in the liner body is heated through the heating device, when the water inlet and outlet pipe is arranged on the flange plate, water is added into the liner body through the water inlet and outlet pipe or water in the liner body is led out, and the inner wall surface of the liner body is completely wrapped by the anti-corrosion plastic layer through the anti-corrosion plastic layer, so that the water is isolated from the inner wall surface of the liner body, the anti-corrosion effect is achieved on the inner wall surface of the liner body, the process is simple, and the reliability is good.

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 view of a first embodiment of a liner structure according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the liner structure of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2A;

FIG. 4 is a left side view of the liner structure of FIG. 1;

FIG. 5 is a schematic bottom view of the liner of FIG. 1;

FIG. 6 is a schematic view of a second embodiment of a liner structure according to the present utility model;

FIG. 7 is a schematic cross-sectional view of the bladder structure of FIG. 6;

FIG. 8 is an enlarged schematic view of a portion of FIG. 7 at B;

FIG. 9 is an enlarged partial schematic view of FIG. 7 at E;

FIG. 10 is a schematic bottom view of the liner of FIG. 6;

FIG. 11 is a left side view of the bladder structure of FIG. 6;

fig. 12 is a schematic structural view of a third embodiment of a liner structure provided by the present utility model;

FIG. 13 is a schematic cross-sectional view of the bladder structure of FIG. 12;

FIG. 14 is an enlarged schematic view of a portion of FIG. 13 at C;

FIG. 15 is an enlarged schematic view of portion D of FIG. 13;

fig. 16 is a right side view of the liner structure of fig. 12.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Liner structure	3	Corrosion-resistant plastic layer
1	Liner main body	4	Annular flanging
				11	Mounting hole	5	Annular clamping groove
12	Barrel body	6	Drain outlet
				121	Annular guiding inclined plane	7	Communication pipeline
13	End cap	8	Hanging ear
				131	Groove	9	Wall hanging bracket
14	Water inlet	91	Avoidance groove
				15	Water outlet	92	Overlap plate section
2	Flange plate	10	Connecting cylinder
				21	Clamping part	a	Connecting hole
211	A first abutting section	b	Gap of
				212	A second abutting section

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 solve the above-mentioned problems, the present utility model provides a liner structure and an electric water heater, and fig. 1 and 16 are specific embodiments of the liner structure and the electric water heater provided by the present utility model.

Referring to fig. 1, 6 and 12, the liner structure 100 includes a liner body 1 and a flange 2, the liner body 1 is provided with a mounting hole 11, the flange 2 is mounted at the mounting hole 11, the flange 2 is used for mounting a heating device and/or a water inlet and outlet pipe, and an anti-corrosion plastic layer 3 is disposed on an inner wall surface of the liner body 1.

In the technical scheme of the utility model, the flange plate 2 is arranged at the mounting hole 11 through the mounting hole 11 formed in the liner main body 1, the heating device and/or the water inlet and outlet pipe are/is arranged through the flange plate 2, so that the heating device and/or the water inlet and outlet pipe penetrates through the mounting hole 11 and stretches into the liner main body 1, when the heating device is arranged on the flange plate 2, the water in the liner main body 1 is heated through the heating device, when the water inlet and outlet pipe is arranged on the flange plate 2, the water is added into the liner main body 1 through the water inlet and outlet pipe or the water in the liner main body 1 is led out, the inner wall surface of the liner main body 1 is provided with the anti-corrosion plastic layer 3, and the anti-corrosion plastic layer 3 completely wraps the inner wall surface of the liner main body and isolates the water from the inner wall surface of the liner main body 1, so that the anti-corrosion effect is realized on the inner wall surface of the liner main body 1, and the process is simple and the reliability is good.

Specifically, the material of the liner body 1 may be various, for example, the material of the liner body 1 may include metal (e.g., iron or stainless steel), ceramic, plastic, etc., and in this embodiment, the material of the liner body 1 may include an iron-carbon alloy, so that the liner body 1 has high strength and ensures the bearing performance of the liner.

The anti-corrosion plastic layer 3 is coated on the inner wall surface of the liner body 1 through a rotational molding process, and specifically, rotational molding is also called rotational molding, rotational molding and the like, which is a thermoplastic plastic hollow molding method. The method comprises the steps of firstly adding plastic raw materials into a mould, then continuously rotating the mould along two vertical axes and heating the mould, gradually and uniformly coating and fusing the plastic raw materials in the mould on the whole surface of the mould cavity under the action of gravity and heat energy, forming the plastic raw materials into a required shape, and cooling and shaping the plastic raw materials to obtain the product. The production speed is high, and the process control is simple.

Considering that too thin and thin of the anti-corrosion plastic layer 3 will cause poor anti-corrosion effect, too thick thickness of the anti-corrosion plastic layer 3 will cause uneven thickness of the anti-corrosion plastic layer 3 and risk of foaming and the like, specifically, in the embodiment of the application, the thickness of the anti-corrosion plastic layer 3 is H, wherein H is more than or equal to 2mm and less than or equal to 5mm. In the thickness, the anti-corrosion effect can be guaranteed to be good, the risks of uneven thickness and easy foaming in the forming process are solved, and the effect is good. Of course, in other embodiments, the thickness of the anti-corrosion plastic layer 3 may be set according to needs, which is not limited in this application.

Further, the made materials of the anti-corrosion plastic layer 3 may be various, such as polypropylene and polybutylene, specifically, in this application, the made materials of the anti-corrosion plastic layer 3 include cross-linked polyethylene, and the cross-linked polyethylene has high corrosion resistance and heat resistance, so that the service life of the anti-corrosion plastic layer 3 is prolonged, and the inner wall surface of the liner body 1 can be better protected.

Further, referring to fig. 3, 8 and 14, the anti-corrosion plastic layer 3 is disposed on the inner wall of the mounting hole 11, so that the inner wall surface of the mounting hole 11 is protected from corrosion by the anti-corrosion plastic layer 3, the mounting hole 11 is prevented from being corroded, and the service life of the liner body 1 is prolonged.

Referring to fig. 3, 8 and 14, the connection between the periphery of the inner wall surface of the mounting hole 11 and the inner wall surface of the liner body 1 is in an arc transition, so that the connection between the periphery of the inner wall surface of the mounting hole 11 and the inner wall surface of the liner body 1 is smooth, so that the coating of the anti-corrosion plastic layer 3 is slurry-coated, the anti-corrosion plastic layer 3 becomes uniform, and the risk of falling and foaming is avoided.

Referring to fig. 2, 3, 7, 8, 13 and 14, the mounting hole 11 is configured as a flanging hole so as to form an annular flanging 4 protruding from the outer surface of the liner body 1, and the flange 2 is sleeved on the annular flanging 4, so that the flange 2 is convenient to install.

The shape of the annular flange 4 may be a circular ring shape or an elliptical ring shape, and the annular flange 4 may be a continuous ring shape or a discontinuous ring shape.

Further, the anti-corrosion plastic layer 3 is arranged on the inner side surface and the outer end surface of the annular flanging 4, so that the adhesive force suffered by the anti-corrosion plastic layer 3 is increased due to the included angle between the inner side surface and the outer end surface of the annular flanging 4, so that the anti-corrosion plastic layer 3 is coated and is more adhered. The outer end face of the flange plate 2 is flush with the outer end face of the annular flanging 4, so that the integrity of the anti-corrosion plastic layer 3 is improved, and the liner body 1 and the flange plate 2 are more attractive after being installed.

Referring to fig. 3, 8 and 14, the fact that the outer end surface of the flange 2 is flush with the outer end surface of the annular flange 4 means that the surface of the annular flange 4 on which the anti-corrosion plastic layer 3 is disposed is flush with the outer end surface of the flange 2. Of course, there are cases where the surface after the arrangement of the anti-corrosion plastic layer 3 is lower than or the outer end face of the flange 2 due to errors, for example, in other embodiments, an error value Δl is set, where 0< Δl is 2mm.

In specific production and processing, referring to fig. 14, a gap b is formed between the outer end portion of the annular flanging 4 and the inner wall surface of the flange 2, and when the anticorrosive plastic layer 3 is actually coated, the anticorrosive plastic layer 3 is arranged in the gap b, and due to an included angle between the outer end portion of the annular flanging 4 and the outer end surface of the annular flanging 4, the adhesive force applied to the anticorrosive plastic layer 3 is increased, so that the anticorrosive plastic layer 3 is coated and is more adhered. The integrity of the anti-corrosion plastic layer 3 is improved, so that the liner body 1 and the flange 2 are more attractive after being installed.

There are various ways of fixing the flange 2 that is sleeved on the annular flange 4, for example, the flange 2 and the annular flange 4 may be fixed by a screw connection, and may be fixed by glue bonding. Specifically, in one embodiment of the present application, the flange 2 is riveted with the annular flange 4, so that the assembly and disassembly are convenient.

The flange 2 is fixed in a plurality of ways by sleeving the annular flange 4, in another embodiment of the present application, referring to fig. 3, 8 and 14, the outer end of the annular flange 4 is bent laterally outwards, so that an annular clamping groove 5 is formed between the annular flange 4 and the outer surface of the liner body 1, and a clamping part 21 is convexly arranged on the inner wall surface of the flange 2, and the clamping part 21 is clamped in the annular clamping groove 5, so that the fixation between the annular flange 4 and the flange 2 is realized, and the structure is simple and easy to operate.

Specifically, referring to fig. 3, 8 and 14, the retaining portion 21 is arranged in a stepped manner to form a first abutment section 211 extending axially along the mounting hole 11, so that the flange 2 is prevented from swinging radially along the mounting hole 11 by making the first abutment section 211 abut against the bottom of the annular clamping groove 5, and the flange 2 and the annular flange 4 are stably mounted.

Further, the clamping portion 21 further includes a second abutting section 212 extending radially along the mounting hole 11, the second abutting section 212 is connected with the first abutting section 211, and is abutted to the side surface of the liner body 1 away from the annular clamping groove 5, so that the movement of the flange 2 in the direction away from the liner body 1 is limited, the flange 2 and the annular flanging 4 are firmly mounted, shake is avoided, and the mounting effect of a heating device and/or a water inlet and outlet pipe is affected.

Specifically, referring to fig. 3, 8 and 14, the first abutting section 211 and the second abutting section 212 are provided in a circular arc transition, so that the operation is simple when the holding portion 21 is held in the annular clamping groove 5.

Further, referring to fig. 3, 8 and 14, the connection between the outer end of the second abutting section 212 and the inner wall surface of the flange 2 is in a circular arc transition arrangement, so that the flange 2 is conveniently sleeved on the annular flanging 4, and the annular flanging 4 is prevented from being scratched due to sharp corners during installation.

In order to make the flange plate 2 with firm in connection between the inner bag main part 1, in the embodiment of this application, the flange plate 2 with welded fastening between the inner bag main part 1, so, firm in connection avoids the flange plate 2 is relative inner bag main part 1 activity influences the installation effect of heating device and/or business turn over water pipe.

The flange 2 and the liner body 1 are welded and fixed in various manners, and laser welding is adopted in the present application, however, in other embodiments, arc welding, gas welding, resistance welding, etc. may be also adopted. Specifically, the present application is not limited thereto.

It should be noted that, this application is not limited the setting position of mounting hole, for example, refer to fig. 2, 7, 13, the bottom and/or the lateral part of inner bag main part 1 are provided with mounting hole 11, so set up, simple structure, easy processing, work as only be provided with on the inner bag main part 1 when mounting hole 11, locate when flange dish 2 of mounting hole 11 supplies heating device and business turn over water pipe installation, need not weld a plurality of water pipe heads, reduce the process, and the reliability is good, is provided with only one mounting hole 11, is favorable to anticorrosive plastic layer 3's integrated into one piece, realizes the anticorrosive parcel to inner bag main part 1, reduces the defect.

Specifically, referring to fig. 1, 6 and 12, the liner body 1 includes a tub 12 and two end caps 13 separately disposed on two sides of the tub 12, and the tub 12 and the two end caps 13 may be processed separately, and after the tub 12 and the end caps 13 are processed, the two end caps 13 are butted with the tub 12 and fixed by welding, so that the processing technology is simplified, the operation is simple, and the cost is saved.

Further, the tub 12 and/or the end cap 13 are provided with the mounting hole 11, so that the structure is simple and the processing is easy.

In addition, referring to fig. 2, 5 and 13, the end cover 13 is concavely disposed to form a groove 131, and the periphery of the groove 131 is abutted with the edges of the two openings of the barrel 12, and is fixed by welding, so that the water storage amount of the liner main body 1 is increased to a certain extent due to the fact that water can be stored in the groove 131 of the end cover 12.

Considering long-time use, referring to fig. 13, scale will be generated in the liner body 1, and the water quality is ensured, safety and sanitation are ensured by arranging a drain outlet 6 at the lower side of the liner body 1, and the drain outlet 6 is communicated with the inner cavity of the liner body 1, so that the scale and the like in the liner body 1 can be regularly discharged.

Specifically, anticorrosive plastic layer 3 lay to the internal face of drain 6, so set up, through anticorrosive plastic layer 3 is right the internal face of drain 6 carries out anticorrosive protection, avoids drain 6 takes place the corrosion, improves the life of inner bag main part 1.

Referring to fig. 15, the connection between the periphery of the inner wall surface of the drain 6 and the inner wall surface of the liner body 1 is in a circular arc transition, so that the connection between the periphery of the inner wall surface of the drain 6 and the inner wall surface of the liner body 1 is smooth, so that the coating of the anti-corrosion plastic layer 3 is suspended, the anti-corrosion plastic layer 3 becomes balanced, and the risk of falling and foaming is avoided.

Referring to fig. 13, the liner body 1 is provided with a water inlet 14 and a water outlet 15, the water inlet 14 and the water outlet 15 are both communicated with the inner cavity of the liner body 1, so that water is added to the liner body 1 through the water inlet 14, and water in the liner body 1 is discharged through the water outlet 15, thereby realizing water circulation and ensuring normal operation of the water heater.

Specifically, the anticorrosive plastic layer 3 is arranged to the inner wall surfaces of the water inlet 14 and the water outlet 15, so that the inner wall surfaces of the water inlet 14 and the water outlet 15 are subjected to anticorrosive protection through the anticorrosive plastic layer 3, the inner wall surfaces of the water inlet 14 and the water outlet 15 are prevented from being corroded, and the service life of the liner main body 1 is prolonged.

Referring to fig. 13, the connection between the periphery of the inner wall surface of the water inlet 14 and the periphery of the inner wall surface of the water outlet 15 and the inner wall surface of the liner body 1 is in arc transition, so that the connection between the periphery of the inner wall surface of the water inlet 14 and the periphery of the inner wall surface of the water outlet 15 and the inner wall surface of the liner body 1 is smooth, so that the coating slurry of the anti-corrosion plastic layer 3 is coated, the anti-corrosion plastic layer 3 becomes balanced, and the risk of falling and foaming is avoided.

In the utility model, referring to fig. 13 to 16, the periphery of the water inlet 14 and/or the water outlet 15 extends outwards to form a connecting cylinder 10 protruding from the liner body 1, the anti-corrosion plastic layer 3 is arranged on the inner wall surface of the connecting cylinder 10, the end part of the connecting cylinder 10 is provided with external threads, the external threads at the end part of the connecting cylinder 10 are in threaded connection with the thread heads of the water pipes, the quick connection between the water pipes and the connecting cylinder 10 is realized, the sealing of the connection part is realized by utilizing the tightness of the threaded connection, the water leakage at the connection part is prevented, and the method is safe and reliable.

Considering that there are limited installation spaces and a large amount of water is needed, referring to fig. 6 to 16, by making the liner body 1 set up at least two, the at least two liner bodies 1 are communicated, the space required for installation in the radial direction of the liner body 1 is reduced to a certain extent, and the installation holes 11 and the flange plate 2 together form an installation structure, and the installation structure is arranged on one of the at least two liner bodies 1, so that the installation of a heating device and/or a water inlet and outlet pipe through the installation structure is realized, and the normal operation of the liner body 1 is ensured.

The mode that at least two inner bag main part 1 are linked together can adopt parallelly connected setting, specifically, in the embodiment of this application, at least two inner bag main part 1 establish ties mutually and set up for link to each other two can circulate each other between the inside water of inner bag main part 1, improved the aqua storage, can satisfy a large amount of water demands.

In order to improve the efficiency of heating and/or business turn over water, mounting structure sets up a plurality ofly, and is a plurality of mounting structure divides to locate on two at least inner bag main part 1, so set up, works as when installing on the ring flange 2 has heating device, through a plurality of heating device heats a plurality of that correspond respectively the inside water of inner bag main part 1 to improve heating efficiency, work as when installing on the ring flange 2 has business turn over water pipe, through a plurality of business turn over water pipe is a plurality of that correspond respectively inner bag main part 1 realizes adding water or waterproof, fills the efficiency that has improved the business turn over water, so, can satisfy the user demand, has improved user's use experience and has felt.

The at least two liner bodies 1 may be arranged at intervals along a horizontal direction, for example, referring to fig. 7 and 13, in this embodiment of the present application, the at least two liner bodies 1 are arranged at intervals along an up-down direction, and of course, in other embodiments, the at least two liner bodies 1 may also be arranged in a staggered manner, specifically, an arrangement manner between the at least two liner bodies 1 may be set according to a requirement, for example, an up-down direction has a larger installation space, then the at least two liner bodies 1 may be arranged at intervals along an up-down direction, a horizontal direction has a larger installation space, and then the at least two liner bodies 1 may be arranged at intervals along a horizontal direction.

Referring to fig. 7 and 13, two adjacent liner bodies 1 are communicated through a communicating pipe, so that the bearing strength of the liner is improved, and the service life of the liner is prolonged. Meanwhile, as the two communicating pipelines are arranged, the water exchange quantity of the two adjacent liner bodies is increased, the principle that the proportion of hot water is smaller is utilized, the hot water heated in the liner bodies positioned below is heated and floats upwards into the liner bodies positioned above, and meanwhile, cold water in the liner bodies positioned above is extruded to flow downwards, so that convection is formed by cold water and hot water, the heat exchange efficiency is improved, and the heating speed of the water heater is improved.

In order to improve the water exchange rate between the adjacent two liner bodies 1, referring to fig. 6, 11, 12 and 16, the adjacent two liner bodies 1 are communicated through at least two communicating pipes 7, so that the water between the adjacent two liner bodies 1 can be exchanged through the at least two communicating pipes 7, thereby improving the water exchange rate and having good effect.

Specifically, referring to fig. 1, 6, 11 and 16, the liner structure 100 further includes a hanging tab 8, the hanging tab 8 is mounted on the outer side wall of the liner body 1, and when the anti-corrosion plastic layer 3 is coated, the liner structure can be hung by the hanging tab 8, so that the liner body 1 can smoothly complete the process of coating the anti-corrosion plastic layer 3.

It should be noted that, since the liner body 1 includes a tub 12 and two end caps 13 separately disposed on two sides of the tub 12, the hanging lugs 8 may be disposed on the tub 12. The hanger 8 may be disposed on the end cover 13, specifically, the present application is not limited thereto, and in addition, it is understood that the structure of the hanger 8 is not limited thereto, in this embodiment, the hanger 8 is U-shaped, referring to fig. 1, in one embodiment, the hanger 8 is disposed on the tub 12, and in another embodiment, two hangers 8 are disposed on the two end covers 13, respectively. In addition, the material of making of hangers 8 is multiple, for example can be plastics, can also be the metal material, just the hangers 8 install in the mode of inner bag main part 1 has multiple, for example can be through bonding, integrated into one piece, adopt threaded structure to connect or joint structure to connect, specifically, in the embodiment of this application, in order to guarantee the intensity of inner bag main part 1, the preparation of inner bag main part 1 adopts the metal, just the material of making of hangers 8 is the metal, hangers 8 adopt welded mode fixed connection in inner bag main part 1, so, guaranteed the inner bag main part with the reliability of connection between the hangers 8.

Specifically, referring to fig. 1, 2, 6, 7, 12 and 13, the liner structure 100 further includes a wall-hanging bracket 9, the wall-hanging bracket 9 is mounted on the outer side wall of the liner body 1, and the liner body 1 is fixed on a wall body through the wall-hanging bracket 9, so that the liner body 1 is convenient to mount, and the structure is simple, so that the liner body 1 is stably mounted.

Specifically, the wall-hanging bracket 9 is made of various materials, for example, may be plastic, may also be metal, and the wall-hanging bracket 9 is mounted on the liner body 1 in various manners, for example, may be connected by bonding, integrally forming, using a threaded structure, or using a clamping structure, specifically, in the embodiment of the application, in order to ensure the strength of the liner body 1, the liner body 1 is made of metal, the wall-hanging bracket 9 is made of metal, and the wall-hanging bracket 9 is fixedly connected to the liner body 1 by adopting a welding manner, so that the reliability of the connection between the liner body 1 and the wall-hanging bracket 9 is ensured.

Referring to fig. 1, 6 and 13, the wall hanging bracket 9 is in a plate shape, the middle part of the wall hanging bracket 9 is bent to form an avoidance groove 91, two lap plate sections 92 are formed on two sides of the avoidance groove 91, the two lap plate sections 92 are used for being fixed on the liner main body 1, the bottom of the avoidance groove 91 is opposite to the outer wall surface of the liner main body 1 and are arranged at intervals, a connecting hole a is formed in the bottom of the avoidance groove 91, when the liner main body 1 needs to be installed on a wall, a connecting piece is inserted in the connecting hole a, the connecting piece is installed on the wall, so that the bottom of the avoidance groove 91 is attached to the wall, and the installation of the wall hanging bracket 9 is realized.

Specifically, the specific form of the flange 2 is not limited, in one embodiment, the inner hole of the flange 2 is provided with an internal thread, the heating device may extend into the liner body 1 through the inner hole, the internal thread in the inner hole is used for adapting and fixing a screw element on the heating device, and the internal thread of the inner hole is beneficial to rapid installation of the heating device.

Referring to fig. 8 and 9, the edges of the two ends of the tub 12, which are open, are bent from inside to outside to form an annular guide slope 121, so that the outer end diameter of the annular guide slope 121 is greater than the diameter of the end cover 13, thereby facilitating alignment of the two end covers 13 with the tub 12, and the installation is convenient and easy to operate. The welding area of the end cover 13 and the barrel body 12 is increased, the annular and seamless welding position is ensured, and the welding quality of the end cover 13 and the barrel body 12 is improved, so that the quality of the electric water heater is improved.

The utility model also provides an electric water heater, the electric water heater comprises a liner structure 100, the specific structure of the liner structure 100 refers to the above embodiment, and since the electric water heater adopts all the technical schemes of all the embodiments, the electric water heater at least has all the beneficial effects brought by all the technical schemes of all the embodiments, and the details are not repeated here.

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

1. A liner structure, comprising:

2. The liner structure of claim 1, wherein the corrosion resistant plastic layer is disposed to an inner wall of the mounting hole.

3. The liner structure as claimed in claim 2, wherein the mounting hole is provided as a burring hole to form an annular burring protruding from an outer surface of the liner body;

the flange plate is sleeved on the annular outward turning edge.

4. A liner structure as claimed in claim 3, wherein said corrosion resistant plastic layer is disposed to the inner and outer end surfaces of said annular flange;

5. A liner structure as claimed in claim 3, wherein said flange is in rivet-fit with said annular flange.

6. The liner structure according to claim 3, wherein an outer end of the annular flange is bent laterally outwardly so that an annular clamping groove is formed between the annular flange and an outer surface of the liner body;

7. The liner structure of claim 6, wherein the retaining portion is stepped to form a first abutment section extending axially along the mounting hole, the first abutment section abutting at least partially against a bottom of the annular slot.

8. The liner structure of claim 7, wherein the retainer further comprises a second abutment section extending radially along the mounting hole, the second abutment section being connected to the first abutment section and abutting against a side of the annular clamping groove remote from the liner body.

9. The liner structure of claim 8, wherein the first abutment section and the second abutment section are disposed in a circular arc transition therebetween.

10. The liner structure of claim 1, wherein the corrosion resistant plastic layer has a thickness H, wherein 2mm ∈h ∈5mm.

11. The liner structure of claim 1, wherein the corrosion resistant plastic layer is formed of a material comprising cross-linked polyethylene.

12. The liner structure of claim 1, wherein said flange is welded to said liner body.

13. The liner structure according to claim 1, wherein the bottom and/or side of the liner body is provided with the mounting hole.

14. The liner structure according to claim 1, wherein the liner body comprises a tub body and two end caps separately provided at both sides of the tub body, the two end caps being butted with the tub body and fixed by welding.

15. A liner structure as claimed in claim 14, wherein the bowl and/or the end cap are provided with the mounting holes.

16. The liner structure according to claim 1, wherein a drain is provided on a lower side of the liner body, the drain being in communication with the liner body cavity.

17. The liner structure of claim 16, wherein the corrosion resistant plastic layer is disposed to an inner wall surface of the drain outlet.

18. The liner structure according to claim 1, wherein the liner body is provided with a water inlet and a water outlet, both of which are in communication with the liner body interior cavity.

19. The liner structure of claim 18, wherein the corrosion resistant plastic layer is applied to the inner wall surfaces of the water inlet and the water outlet.

20. The liner structure according to claim 1, wherein the liner body is provided in at least two, the at least two liner bodies being in communication;

21. The liner structure of claim 20, wherein the at least two liner bodies are disposed in series.

22. The liner structure according to claim 20, wherein a plurality of said mounting structures are provided, a plurality of said mounting structures being provided separately on said at least two liner bodies.

23. The liner structure according to claim 20, wherein the at least two liner bodies are spaced apart from each other in a top-bottom direction.

24. The liner structure as claimed in claim 20, wherein adjacent two of said liner bodies are in communication with each other through at least two communication conduits.

25. An electric water heater comprising a liner structure as claimed in any one of claims 1 to 24.