CN220379961U - Electric water heater - Google Patents

Abstract

The utility model discloses an electric water heater, which comprises an inner container, a flange plate, a water pipe assembly and a heating assembly, wherein the axis of the inner container extends along the left-right direction, the bottom of the inner container is provided with a mounting opening, the flange plate is connected with the inner container and covers the mounting opening, the flange plate is provided with a water pipe fixing point and a heater fixing point, in the projection along the up-down direction, the water pipe fixing point and the heater fixing point are both positioned at the inner side of the outer edge outline of the mounting opening, the water pipe assembly is connected with the water pipe fixing point on the flange plate and stretches into the inner container, and the heating assembly is connected with the heater fixing point on the flange plate and stretches into the inner container. According to the electric water heater provided by the embodiment of the utility model, the disassembly and assembly efficiency can be improved, so that the electric water heater is convenient to maintain.

Description

Electric water heater

Cross Reference to Related Applications

The present application claims priority from the chinese patent office, application number CN202211554585.2, application name "liner structure and electric water heater", filed on day 05, 12, 2022, the entire contents of which are incorporated herein by reference.

Technical Field

The utility model relates to the technical field of water heaters, in particular to 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 shell, an inner container and an electric heater, wherein the inner container is arranged in the shell, and the electric heater is arranged in the inner container to heat water in the inner container through the electric heater.

In the related art, structural members such as a heating assembly and a water pipe assembly in the electric water heater are respectively arranged on the inner container, and the assembly and the disassembly are complicated, so that the electric water heater is inconvenient to maintain.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, an objective of the present utility model is to provide an electric water heater with improved assembly and disassembly efficiency, so as to facilitate maintenance of the electric water heater.

According to the electric water heater provided by the embodiment of the utility model, the electric water heater comprises an inner container, a flange plate, a water pipe assembly and a heating assembly, wherein the axis of the inner container extends along the left-right direction, the bottom of the inner container is provided with a mounting opening, the flange plate is connected with the inner container and covers the mounting opening, the flange plate is provided with a water pipe fixing point and a heater fixing point, in the projection along the up-down direction, the water pipe fixing point and the heater fixing point are both positioned on the inner side of the outer edge outline of the mounting opening, the water pipe assembly is connected with the water pipe fixing point on the flange plate and stretches into the inner container, and the heating assembly is connected with the heater fixing point on the flange plate and stretches into the inner container.

According to the electric water heater provided by the embodiment of the utility model, the disassembly and assembly efficiency can be improved, so that the electric water heater is convenient to maintain.

In addition, the electric water heater according to the above embodiment of the present utility model may further have the following additional technical features:

optionally, the flange plate comprises a plate body, a groove recessed towards the inner space of the liner is formed in the plate body, and the water pipe fixing point and the heater fixing point are arranged on the bottom wall of the groove.

Optionally, the lower end of the water pipe assembly is connected with and extends out of the tray body, and is at least partially arranged in the groove.

Optionally, the flange plate further comprises a cylinder body, a first mounting hole is formed in the fixed point of the water pipe, the cylinder body extends along the up-down direction and is at least partially arranged in the groove, the upper end periphery is connected with the periphery of the first mounting hole, and the lower end of the water pipe assembly is connected with the cylinder body.

Optionally, the water pipe assembly wears to locate from bottom to top the first mounting hole stretches into the inner bag, the lower extreme of water pipe assembly is located the outside of ring flange to cup joint from bottom to top the barrel just can dismantle.

Optionally, a part of the tray body is recessed toward the inner space of the inner container, is deep toward the mounting opening, and forms a groove on one side facing away from the inner space of the inner container.

Optionally, the installation opening is provided with a connecting ring, the connecting ring surrounds the installation opening and is connected with the inner container, and the flange plate is connected to one side, away from the inner container, of the connecting ring in a lamination manner.

Optionally, the installation mouth department is equipped with the flange, the flange is followed the circumference extension of installation mouth, and connect the week edge of installation mouth, and towards deviating from the direction extension of installation mouth, the flange with form between the outer bottom of inner bag towards deviating from the open-ended constant head tank of direction of installation mouth, the inner periphery of go-between is located in the constant head tank, and the outer periphery with ring flange range upon range of and fixed connection.

Optionally, the flange plate includes main part and installation department, water pipe fixed point with the heater fixed point is located the main part, the installation department is connected the periphery of main part, and around the main part sets up, just the installation department with there is the fastener fastening between the go-between, in order to seal lid the installation mouth.

Optionally, the mounting portion is provided with a plurality of first connecting holes arranged around the main body at intervals, the connecting ring is provided with a plurality of second connecting holes arranged around the mounting opening at intervals, the first connecting holes correspond to the second connecting holes, and the fastening piece penetrates through the first connecting holes and the second connecting holes.

Optionally, the second connecting hole includes a first portion and a second portion, the first portion and the second portion are in communication, the fastener includes a bolt, a width dimension of the first portion is greater than a width dimension of a bolt head, and a width dimension of the second portion is less than the width dimension of the bolt head and not less than a width dimension of a bolt shank.

Optionally, a normal direction of the first plane perpendicular to the mounting opening is defined, and an orthographic projection of the mounting opening towards the first plane is rectangular or rounded rectangular or elliptical or oblong.

Optionally, the water pipe assembly includes prevents electric wall main part and body, the lower extreme of preventing electric wall main part has the interface portion, and the upper end is equipped with cup joints the portion, just prevent being equipped with in the electric wall main part be located interface portion with connect the connecting portion between the portion of cup joints, the connecting portion has the switch-on the intercommunicating pore of interface portion, the lower extreme of body stretches into cup joints the portion inboard and connects connecting portion, the body with the intercommunicating pore intercommunication, wherein, cup joints the portion cup joint in the barrel outside, just the body penetrates from bottom to top the inner bag.

Optionally, the axis of inner bag extends along left and right directions, the water pipe assembly includes two at least, two at least water pipe assembly all install in on the ring flange to along left and right directions interval arrangement.

Optionally, the heating assembly includes a first heater and a second heater, both of which are mounted on the flange.

Optionally, the hot end of the first heater includes a plurality of first heating sections, the plurality of first heating sections are arranged side by side and connected to each other, and the first heating sections extend in an up-down direction.

Optionally, the hot end of the second heater includes a plurality of second heating sections, the second heating sections are arranged side by side and connected to each other, and the second heating sections extend in a left-right direction.

Optionally, the inner bag includes first courage body and second courage body, first courage body with the second courage body is all along controlling the direction extension, just first courage body connect in the top of second courage body, just first courage body with the second courage body communicates with each other, the installing port is located on the diapire of second courage body.

Optionally, the axis of the inner container extends along the left-right direction, and the mounting opening is arranged in the middle area of the bottom of the inner container along the left-right direction.

Optionally, a plurality of heating components are connected to the flange, wherein the projections of the heating components from top to bottom are all located at the inner side of the mounting opening; or, at most one of the heating components projects out of the mounting opening from top to bottom.

Optionally, the water pipe assembly and the heating assembly are mounted on the same flange.

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

Drawings

FIG. 1 is a schematic illustration of a water heater in some embodiments of the utility model.

FIG. 2 is a front view of a water heater in some embodiments of the utility model.

FIG. 3 is a schematic view of a water heater (showing a mounting port) in some embodiments of the utility model.

FIG. 4 is a cross-sectional view of a water heater in some embodiments of the utility model.

FIG. 5 is a schematic view of a heating assembly, a water tube assembly, and a flange in some embodiments of the utility model.

Fig. 6 is a schematic view of a water tube assembly in some embodiments of the utility model.

Fig. 7 is a cross-sectional view of the embodiment of fig. 6.

Fig. 8 is a schematic view of a flange in some embodiments of the utility model.

Fig. 9 is a schematic view of a bladder in accordance with some embodiments of the utility model.

Fig. 10 is a partial enlarged view a of the embodiment of fig. 9.

Reference numerals:

the electric water heater 100, the inner container 10, the first container body 11, the second container body 12, the mounting opening 13, the flange plate 20, the tray body 21, the water pipe fixing point 211, the heater fixing point 212, the groove 213, the cylinder 22, the first connecting hole 23, the water pipe assembly 30, the electric wall main body 31, the interface part 311, the connecting part 312, the communication hole 3121, the socket part 313, the pipe body 32, the water inlet pipe 301, the inlet end 3011, the water outlet pipe 302, the water outlet end 3021, the heating assembly 40, the first heater 41, the first heating section 411, the second heater 42, the second heating section 421, the temperature detecting member 50, the connecting ring 60, the flange 70, the second connecting hole 80, the up-down direction A-A, the left-right direction B-B, the axis C-C of the first container body, and the axis D-D of the second container body.

Detailed Description

The present utility model provides an electric water heater 100, which can improve the disassembly and assembly efficiency, so as to facilitate the maintenance of the electric water heater 100.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1 to 8, an electric water heater 100 according to an embodiment of the present utility model, the electric water heater 100 may include a liner 10, a flange 20, a water pipe assembly 30, and a heating assembly 40.

Wherein, the axis of the liner 10 can extend along the left-right direction, the bottom can be provided with a mounting opening 13, the flange 20 is connected with the liner 10 and covers the mounting opening 13, the flange 20 can be provided with a water pipe fixing point 211 and a heater fixing point 212, in the projection along the up-down direction, the water pipe fixing point 211 and the heater fixing point 212 can be positioned at the inner side of the outline of the outer edge of the mounting opening 13, the water pipe assembly 30 is connected with the water pipe fixing point 211 on the flange 20 and stretches into the liner 10, the heating assembly 40 is connected with the heater fixing point 212 on the flange 20 and stretches into the liner 10; by this arrangement, the assembling and disassembling efficiency can be improved, so that the maintenance of the electric water heater 100 is facilitated.

Specifically, when the electric water heater 100 is installed, the water pipe assembly 30 and the heating assembly 40 can be respectively connected with the water pipe fixing point 211 and the heater fixing point 212 on the flange plate 20, and then the water pipe assembly 30 and the heating assembly 40 can be extended into the inner container 10 through the installation opening 13, and the flange plate 20 is connected with the inner container 10 so as to cover the installation opening 13 at the bottom of the inner container 10, so that the installation of the electric water heater 100 is completed; similarly, when the flange plate 20 is dismounted from the inner container 10, the water pipe assembly 30 and the heating assembly 40 can extend out of the inner container 10 from the mounting opening 13 along with the flange plate 20, so that the electric water heater 100 is dismounted; it is understood that the water pipe assembly 30 and the heating assembly 40 can be assembled and disassembled together with the flange 20 when the electric water heater 100 is assembled and disassembled, so that the assembling and disassembling efficiency of the electric water heater 100 can be improved, and the electric water heater 100 can be maintained conveniently.

In addition, the axis of the liner 10 may extend in the left-right direction, in other words, the liner 10 may extend in the left-right direction; generally, the electric water heater 100 may be installed on a wall near a ceiling, and the inner container 10 extends in a left-right direction, so that a dimension of the electric water heater 100 in the left-right direction is larger than a dimension in an up-down direction, that is, a larger space may be reserved at a bottom of the electric water heater 100, so as to facilitate disassembly and assembly of the electric water heater 100.

Secondly, in the projection along the up-down direction, the water pipe fixing point 211 and the heater fixing point 212 can be located inside the outline of the outer edge of the mounting opening 13, so that when the water pipe assembly 30 and the heating assembly 40 extend into the liner 10 along the up-down direction, structural collision between the water pipe assembly 30 and the heating assembly 40 and the liner 10 can be reduced, and the dismounting efficiency is improved.

Furthermore, in some specific examples, the water tube assembly 30 may include a water inlet tube 301 and a water outlet tube 302, the water inlet tube 301 may be used for water inlet of the liner 10, the water outlet tube 302 may be used for water outlet of the liner 10, and the heating assembly 40 may be used for heating water within the liner 10; when the electric water heater 100 is in operation, the water inlet pipe 301 can be connected with an external water source to supply water to the interior of the inner container 10, the heating component 40 can heat the water in the inner container 10, and then the hot water can be discharged through the water outlet pipe 302 for a user to use.

Therefore, according to the electric water heater 100 of the embodiment of the utility model, the dismounting efficiency can be improved, so as to facilitate the maintenance of the electric water heater 100.

Referring to fig. 5 and 8, in some embodiments of the present utility model, the flange 20 may include a tray 21, a groove 213 may be provided on the tray 21, the groove 213 may be recessed toward the inner space of the liner 10, and a water pipe fixing point 211 and a heater fixing point 212 may be provided on the bottom wall of the groove 213;

It can be understood that, by providing the recess on the disc 21 of the flange 20, the water pipe fixing point 211 and the heater fixing point 212 can be hidden, when the water pipe assembly 30 is connected with the water pipe fixing point 211 and the heating assembly 40 is connected with the heater fixing point 212, the connection position of the assembly and the fixing point can be reduced from being corroded by the external environment, the size of the electric water heater 100 in the up-down direction can be reduced, the integration level of the electric water heater 100 can be improved, the installation space can be saved, and the installation effect of the electric water heater 100 can be improved in an embedded scene;

in addition, the mounting structures on the water pipe fixing point 211 and the heater fixing point 212 can be hidden in the groove 213, so that the mounting structures are prevented from being impacted externally, the structural stability of the mounting structures is ensured, and the service life of the electric water heater 100 is prolonged.

Further, the groove 213 may be recessed toward the inner space of the inner container 10 through a portion of the tray 21, and is deep toward the mounting opening 13, and is configured at a side facing away from the inner space of the inner container 10; the grooves 213 can provide a space for letting down for the water pipe assembly 30 and the heating assembly 40 on the flange 20, so as to hide the connection positions between the water pipe assembly 30 and the heating assembly 40 and the flange 20, thereby avoiding external environmental pollution, reducing the size of the electric water heater 100, improving the integration level, saving the installation space and improving the installation effect of the electric water heater 100 in an embedded scenario.

Referring to fig. 1, 2, 4 and 5, in some embodiments of the present utility model, the lower end of the water tube assembly 30 is connected to and protrudes from the tray body 21 and is at least partially disposed within the recess 213; it will be appreciated that the lower end of the water pipe assembly 30 is connected to the tray 21 and extends out of the tray 21 to connect with an external pipe, so as to facilitate water passing into the inner container 10, wherein at least a portion of the lower end of the water pipe assembly 30 may be disposed in the recess 213, so as to avoid exposing too much of the water pipe assembly 30, reduce corrosion of the water pipe assembly 30 by the external environment, and hide a portion of the water pipe assembly 30, thereby improving the appearance cleanliness of the electric water heater 100.

Referring to fig. 5 and 8, in some embodiments of the present utility model, the flange further includes a cylinder 22, a first mounting hole may be provided at a water pipe fixing point 211 of the flange 20, the cylinder 22 may extend in an up-down direction, at least a portion of the cylinder 22 is provided in a groove 213, an upper end periphery is connected to a periphery of the first mounting hole 13, and a lower end of the water pipe assembly 30 is connected to the cylinder 22; thus, the connection strength of the water pipe assembly 30 is improved through the cylinder 22, and at least part of the cylinder 22 can be hidden in the groove 213 so as to protect the cylinder 22.

Wherein, the lower end of the water pipe assembly 30 can be connected with the cylinder 22 to improve the connection strength between the water pipe assembly 30 and the flange 20.

Further, the water pipe assembly 30 can be penetrated through the first mounting hole from bottom to top and can extend into the liner 10, and the lower end of the water pipe assembly 30 is arranged at the outer side of the flange 20 and is sleeved with the barrel 22 from bottom to top and can be detached; thus, water can be supplied to the inner container 10, water supply of the electric water heater 100 is realized, and the water pipe assembly 30 can be conveniently disassembled and assembled.

Specifically, when the electric water heater 100 is installed, the lower end of the water pipe assembly 30 can be fixedly connected with the flange 20, i.e. the water pipe assembly 30 can be installed along with the flange 20 and extend into the liner 10, so as to realize the installation of the electric water heater 100; wherein, the water pipe fixing point 211 of the flange 20 is provided with a first mounting hole, the water pipe assembly 30 can be penetrated through the first mounting hole from bottom to top, then the external water pipe can be connected with the first mounting hole, so that the water pipe assembly 30 can be communicated with the external water pipe, and the external water pipe can comprise a first water pipe and a second water pipe, the first water pipe can be used for being connected with an external water source, and the second water pipe can be used for draining water of the water heater, therefore, the water pipe assembly 30 penetrated through the first mounting hole can serve the purpose of water passing through the inner container 10 and draining water of the inner container 10.

In addition, the water pipe assembly 30 may be disposed through the first mounting hole from bottom to top and extend into the liner 10, and at the same time, the lower end of the water pipe assembly 30 may be sleeved on the cylinder 22 from bottom to top so as to be disposed on the outer side of the flange 20, in other words, the water pipe assembly 30 and the flange 20 may be assembled and disassembled in the up-down direction by assembling and disassembling the water pipe assembly 30 and the cylinder 22.

Furthermore, in some specific examples, the water pipe assembly 30 may include a water inlet pipe 301 and a water outlet pipe 302, and the flange 20 may be provided with a first mounting hole, where the water inlet pipe 301 and the water outlet pipe 302 may be respectively inserted into the first mounting hole; alternatively, the flange 20 may be provided with a plurality of first mounting holes, and the water inlet pipe 301 and the water outlet pipe 302 may be respectively inserted into the plurality of first mounting holes; of course, the scope of the present utility model includes, but is not limited to, the specific examples described above.

Referring to fig. 8, in some embodiments of the present utility model, the flange 20 may include a disk 21 and a cylinder 22.

Wherein, the first mounting hole can be arranged on the tray body 21, the cylinder 22 extends along the up-down direction, the upper end periphery is connected with the periphery of the first mounting hole, the lower end of the water pipe assembly 30 is detachably sleeved with the cylinder 22 from bottom to top, the dismounting efficiency can be improved, and the maintenance of the water pipe assembly 30 is convenient.

Specifically, the flange 20 may include a cylinder 22, and may also include a plurality of cylinders 22, where the upper end periphery of the cylinder 22 is connected to the periphery of the first mounting hole, so when the water pipe assembly 30 is installed in the first mounting hole, the water pipe assembly 30 may be sleeved on the cylinder 22, so that the lower end of the water pipe assembly 30 is fixedly connected to the flange 20, in other words, the water pipe assembly 30 may be detached in the up-down direction, so as to facilitate maintenance of the water pipe assembly 30.

Referring to fig. 9 and 10, in some embodiments of the utility model, a connection ring 60 may be provided at the mounting opening 13, the connection ring 60 may be disposed around the mounting opening 13 and connected to the liner 10, and the flange 20 is stacked on a side of the connection ring 60 facing away from the liner 10; it can be understood that, by arranging the connection ring 60 at the mounting opening 13, so that the flange 20 can be mounted on the inner container 10 through the connection ring 60, the connection position between the flange 20 and the inner container 10 can be transferred to the outside of the inner container 10, the overall structural strength of the electric water heater 100 can be enhanced, and the sealing performance of the inner container 10 can be ensured.

In addition, in some embodiments of the present utility model, a sealing ring may be provided between the flange 20 and the connection ring 60 to improve sealability between the flange 20 and the connection ring 60.

Referring to fig. 9 and 10, in some embodiments of the utility model, a flange 70 may be provided at the mounting port 13, the flange 70 may extend in a circumferential direction of the mounting port 13 and connect with a circumferential edge of the mounting port 13 and extend in a direction away from the mounting port 13, and a positioning groove opening in a direction away from the mounting port 13 is formed between the flange 70 and an outer bottom surface of the liner 10; the inner periphery of the connecting ring 60 may be positioned in the positioning groove, wherein, in the projection along the axial direction of the mounting opening 13, the shape of the positioning groove is similar to a ring shape, the inner periphery of the connecting ring 60 may be adapted to the structure of the positioning groove, when the connecting ring 60 is positioned by the positioning groove, the stress between the positioning groove and the connecting ring 60 is uniform, in other words, the positioning strength between the positioning groove and the connecting ring 60 may be improved, and the connection stability between the flange 20 and the liner 10 may be further improved.

In addition, there are various ways in which the positioning groove positions the connection ring 60; for example, the inner periphery of the connecting ring 60 can be clamped in the positioning groove to realize positioning; for another example, the inner periphery of the connecting ring 60 may be layered within the positioning groove to achieve positioning; but this is not a limitation on the scope of the utility model.

The outer periphery can be laminated and fixedly connected with the flange plate 20, that is, the outer periphery of the connecting ring 60 can increase the connecting area of the flange plate 20, so that the connecting strength between the flange plate 20 and the liner 10 can be increased, and the whole electric water heater 100 can be ensured to work.

In some embodiments of the utility model, the flange 20 may include a body and a mounting portion.

Wherein, the water pipe fixing point 211 and the heater fixing point 212 can be arranged on the main body, the installation part can be connected to the periphery of the main body and arranged around the main body, and the installation part and the connecting ring 60 can be fastened by a fastener for sealing the installation opening 13; thus, the disassembly and assembly efficiency of the electric water heater 100 can be improved, and the electric water heater 100 is convenient to maintain.

Referring to fig. 8, in combination with the foregoing embodiment, the main body of the flange 20 may be a portion of the central portion of the disc 21 protruding toward the inner space of the liner 10, and the mounting portion of the flange 20 may be an annular portion of the edge of the disc 21.

In installing the electric water heater 100, the water pipe assembly 30 may be installed on the water pipe fixing point 211 of the main body, the heating assembly 40 may be installed on the heater fixing point 212 of the main body, and then the installation part of the flange 20 may be installed on the connection ring 60 at the installation opening 13 by a fastener to cover the installation opening 13, thereby realizing the installation of the electric water heater 100;

further, the mounting portion may be provided with a plurality of first connection holes 23, the plurality of first connection holes 23 may be spaced around the main body, the connection ring 60 may be provided with a plurality of second connection holes 80, the plurality of second connection holes 80 may be spaced around the mounting opening 13, and the first connection holes 23 correspond to the second connection holes 80, and the fastener may be inserted through the first connection holes 23 and the second connection holes 80; wherein, the mounting portion may be provided with a plurality of first connecting holes 23, and the connecting ring 60 may be provided with a plurality of second connecting holes 80 disposed around the main body at intervals, and the plurality of first connecting holes 23 are respectively connected with a plurality of corresponding second connecting holes 80 through fasteners, so that the connection points between the flange 20 and the connecting ring 60 may be increased, so as to improve structural stability. In combination with the foregoing embodiments, the mounting portion of the flange 20 may be laminated and connected with the outer periphery of the connection ring 60, so as to increase the connection area between the flange 20 and the connection ring 60 and increase the connection strength.

Still further, the second connection hole 80 may include a first portion and a second portion;

wherein the first portion may be in communication with the second portion, the fastener may comprise a fastener such as a bolt (and may further comprise a nut, i.e., the nut and the bolt cooperate to securely connect the flange 20 and the connecting ring 60 together), the first portion may have a width dimension that is greater than a width dimension of the head of the bolt, the second portion may have a width dimension that is less than a width dimension of the head of the bolt, and the second portion may have a width dimension that is not less than a width dimension of the bolt; accordingly, the second connection hole 80 is bolted to the first connection hole 23; this facilitates the installation of the flange 20 and the connection ring 60, and improves the efficiency of the electric water heater 100.

The width dimension in the present embodiment may refer to a dimension perpendicular to the axial direction of the mounting port 13.

When the electric water heater 100 is installed, the head of the bolt may be directed upward and pass through the first portion of the second connection hole 80 from bottom to top, and then the head of the bolt may be moved from the first portion to the second portion; the first connection hole 23 of the flange 20 may then be corresponding to the shank of the bolt, so that the shank of the bolt may pass through the first connection hole 23 and then be screwed with the nut, thereby achieving connection of the flange 20 and the connection ring 60. When the electric water heater 100 is disassembled, the screw rod of the bolt is disconnected with the nut so as to detach the flange 20 from the connecting ring 60, thereby realizing the disassembly of the flange 20;

In short, the head of the bolt can be clamped in the second connecting hole 80, the screw rod of the bolt can be penetrated in the first connecting hole 23, and then the flange 20 is connected with the connecting ring 60 through the threaded connection of the bolt and the nut, so that the overall structural strength of the electric water heater 100 can be improved, and the electric water heater 100 can be conveniently disassembled and assembled.

Referring to fig. 9 and 10, in some embodiments of the present utility model, a first plane may be defined as a normal direction perpendicular to the mounting opening 13, wherein the normal direction may refer to an up-down direction A-A in fig. 1 to 4, and in an orthographic projection toward the first plane, the mounting opening 13 may be rectangular, rounded rectangular, oval or oval, so as to improve connection stability between the flange 20 and the inner container 10, and ensure that the electric water heater 100 may operate normally.

Specifically, the shape of the mounting opening 13 may be a symmetrical shape or an asymmetrical shape, and preferably, the shape of the mounting opening 13 may be a symmetrical shape, that is, the shape of the mounting opening 13 may be rectangular, rounded rectangular, elliptical or oval; it should be understood that, correspondingly, the shape of the flange 20 may be rectangular, rounded rectangular, oval or oval, and the foregoing shapes may enable the flange 20, the mounting opening 13, the connecting ring 60, etc. to be uniformly stressed when the flange 20 is connected with the connecting ring 60, so as to ensure that the stress is uniformly distributed in each part of the structure, thereby reducing stress concentration and improving the structural strength of the electric water heater 100.

It should be noted that, the waist-round shape refers to a closed graph formed by bisecting a circle into two semicircular arcs by passing through a circle center and translating in opposite directions, and connecting the endpoints of the two semicircular arcs by two equal-length parallel lines.

Referring to fig. 6 and 7, in some embodiments of the present utility model, the water pipe assembly 30 may include a power wall body 31 and a pipe body 32.

The lower end of the electricity-proof wall main body 31 may have an interface portion 311, the upper end may be provided with a socket portion 313, and a connection portion 312 between the interface portion 311 and the socket portion 313 may be provided in the electricity-proof wall main body 31, the connection portion 312 has a communication hole 3121 for connecting the interface portion 311, the lower end of the pipe body 32 may extend into the socket portion 313 and connect the connection portion 312, the pipe body 32 may be communicated with the communication hole 3121, wherein the socket portion 313 may be sleeved outside the cylinder 22, and the pipe body 32 penetrates into the liner 10 from bottom to top; by the arrangement, the current in the water flow can be reduced, so that the safety of the electric water heater 100 is improved, and the personal safety of a user is further ensured.

Specifically, the water pipe assembly 30 may be mounted on the liner 10 of the electric water heater 100 along with the flange 20, the pipe body 32 of the water pipe assembly 30 may be used to supply water to the liner 10 and discharge hot water in the liner 10, where the heating assembly 40 may be energized to generate heat to heat water in the liner 10, and when the heating assembly 40 leaks electricity, the water in the liner 10 may be electrified to cause electric shock hazard to the user, so that the pipe body 32 may be connected with the anti-electricity wall body 31 to increase resistance, thereby achieving the purpose of reducing current in water and ensuring personal safety of the user.

More specifically, the socket portion 313, the connection portion 312 and the interface of the electricity preventing wall body 31 are sequentially arranged along the direction from top to bottom, so that the length of the water channel can be prolonged, the resistance can be increased, and the current in water can be reduced. And the electricity-proof wall main body 31 can be made of insulating materials, and when the heating component 40 leaks electricity, the electricity-proof wall main body 31 can block the current in the liner 10 so as to ensure the personal safety of a user. In addition, the electricity prevention wall body 31 may be grounded to guide the electricity generated by the leakage of the heating assembly 40, etc. to the ground, so as to avoid the harm to the user.

Further, the lower end of the pipe body 32 may extend into the inner side of the socket portion 313 and be connected to the connection portion 312, and it is understood that the radial dimension of the socket portion 313 is larger than that of the connection portion 312, so that the resistance can be improved by reducing the flow cross-sectional area of the water flow, thereby reducing the current in the water flow and further improving the safety of the electric water heater 100.

Further, the axis of the liner 10 may extend in the left-right direction, and the water pipe assemblies 30 may include at least two water pipe assemblies 30, and the at least two water pipe assemblies 30 are mounted on the flange 20 and are arranged at intervals in the left-right direction; by the arrangement, the current in water flow can be reduced, so that the personal safety of a user is ensured.

Alternatively, the water pipe assemblies 30 may include two water pipe assemblies 30, and both water pipe assemblies 30 may be mounted on the flange 20, so that the water pipe assemblies 30 may extend into the liner 10 by mounting the flange 20 on the liner 10, so as to facilitate water inlet and water outlet of the electric water heater 100. In addition, one water pipe assembly 30 can be used for water inflow, the other water pipe assembly 30 can be used for water outflow, and the distance from water inflow to water outflow in the electric water heater 100 can be prolonged through the arrangement of the two water pipe assemblies 30 at intervals along the left-right direction, so that when electric leakage occurs in the heating assembly 40, the current in water can be further reduced, and the personal safety of a user can be guaranteed.

Referring to fig. 4 and 5, in some embodiments of the present utility model, the heating assembly 40 may include a first heater 41 and a second heater 42.

The first heater 41 and the second heater 42 are both installed on the flange 20, so as to improve the heating efficiency of the electric water heater 100 and improve the dismounting efficiency.

In detail, the flange 20 may be mounted with the first heater 41 and the second heater 42, and the first heater 41 and the second heater 42 may be mounted in the liner 10 through the flange 20; when the electric water heater 100 works, the first heater 41 and the second heater 42 can heat the water in the inner container 10 at the same time, so as to improve the heating efficiency of the electric water heater 100 and meet the use requirement of a user.

In addition, when the electric water heater 100 is assembled and disassembled, the first heater 41 and the second heater 42 can be assembled and disassembled along with the flange 20, and the assembling and disassembling efficiency of the electric water heater 100 can be greatly improved.

Referring to fig. 4 and 5, in some embodiments of the utility model, the hot end of the first heater 41 may include a plurality of first heating segments 411 therealong.

The plurality of first heating sections 411 may be arranged side by side and connected to each other, and the first heating sections 411 extend along the up-down direction, so that the contact area between the plurality of first heating sections 411 and water may be increased, and the heating effect may be improved.

Specifically, the plurality of first heating sections 411 are connected to each other, and by energizing at least one of the plurality of first heating sections 411, the plurality of first heating sections 411 can be energized and heat can be generated; in addition, the plurality of first heating sections 411 may be disposed side by side to increase the contact area between the first hot end and water, so as to increase the heat transfer efficiency between the plurality of first heating sections 411 and water, and achieve rapid heating of the electric water heater 100, so as to meet the needs of users.

In addition, in combination with the foregoing embodiment, the mounting opening 13 may be disposed at the bottom of the liner 10, and in the projection along the up-down direction, the fixing members of the heater may be located inside the outer edge profile of the mounting opening 13, so that the plurality of first heating sections 411 extending along the up-down direction may facilitate the disassembly and assembly of the first heater 41 along the up-down direction, and further improve the disassembly and assembly efficiency of the electric water heater 100.

Referring to fig. 4 and 5, in other embodiments of the present utility model, the hot end of the second heater 42 may include a plurality of second heating sections 421, the plurality of second heating sections 421 are disposed side by side and connected to each other, and the second heating sections 421 extend in the left-right direction; by the arrangement, the contact area between the second heating sections 421 and water can be increased, and the heating effect can be improved.

Specifically, the plurality of second heating sections 421 are connected to each other, and by energizing at least one of the plurality of second heating sections 421, the plurality of second heating sections 421 can be energized and heat can be generated; in addition, the plurality of second heating sections 421 can be arranged side by side to increase the contact area between the second hot end and the water, so that the heat transfer efficiency between the plurality of second heating sections 421 and the water can be increased, and the electric water heater 100 can be rapidly heated to meet the demands of users.

Referring to fig. 4 and 5, in still other embodiments of the present utility model, a plurality of first heating sections 411 are disposed side by side and connected to each other, and the first heating sections 411 extend in the up-down direction, and a plurality of second heating sections 421 are disposed side by side and connected to each other, and the second heating sections 421 extend in the left-right direction. Specifically, the water pipe assembly 30 may include a water inlet pipe 301 and a water outlet pipe 302, in general, the water outlet end 3021 of the water inlet pipe 301 may be close to the bottom of the liner 10, the inlet end 3011 of the water outlet pipe 302 may be close to the top of the liner 10, so that hot water in the liner 10 may be discharged after being sufficiently heated, at this time, the first heater 41 may be disposed close to the inlet end 3011 of the water outlet pipe 302, the second heater 42 may be disposed close to the water outlet end 3021 of the water inlet pipe 301, when a large amount of hot water is needed, the second heater 42 may be started to sufficiently heat the water in the liner 10, and when a small amount of hot water is needed, the first heater 41 may be started to heat a small amount of water close to the inlet end 3011 of the water outlet pipe 302, so as to meet the user's use requirement.

Referring to fig. 1 through 4, in some embodiments of the present utility model, a liner 10 may include a first liner 11 and a second liner 12.

The first container 11 and the second container 12 can extend in the left-right direction, the first container 11 can be connected above the second container 12, the first container 11 is communicated with the second container 12, and the mounting opening 13 can be arranged on the bottom wall of the second container 12; the water storage space of the liner 10 can be increased, and the heating time period can be shortened, so that the user can use water quickly.

In detail, the first heater 41 may be disposed in the first container 11, and the second heater 42 may be disposed in the second container 12; when a user needs a large amount of hot water, the second heater 42 can be started, the water in the second container body 12 is heated by the second heater 42, and the first container body 11 and the second container body 12 can be filled with hot water over time, so that the hot water is discharged through the water pipe assembly 30 and then used by the user;

when a user needs a small amount of hot water, the first heater 41 can be started, and the water in the first container 11 is heated by the first heater 41 so that the water temperature in the first container 11 is quickly increased and is discharged through the water pipe assembly 30 for the user to use;

the water pipe assembly 30 may include a water inlet pipe 301 and a water outlet pipe 302, the water outlet end 3021 of the water inlet pipe 301 may be located in the second container body 12, the inlet end 3011 of the water outlet pipe 302 is located in the first container body 11, and since the density of the heated water is smaller than that of the unheated water, and the first container body 11 is located above the second container body 12, most of the hot water may be collected in the first container body 11 and may be discharged through the water outlet pipe 302.

Referring to fig. 2, in some embodiments of the present utility model, the axis of the liner 10 may extend in the left-right direction, in other words, the liner 10 may extend in the left-right direction, so that the size of the liner 10 in the left-right direction is larger than the size of the liner 10 in the up-down direction, which may increase the size of the flange 20, so that more structural members may be mounted on the flange 20, thereby further improving the dismounting efficiency of the electric water heater 100; and the mounting opening 13 may be disposed in a middle region of the bottom of the inner container 10 along the left-right direction, so that the heating assembly 40 mounted on the flange 20 of the mounting opening 13 may be disposed in the middle of the inner container 10 along the left-right direction, so as to uniformly heat the water in the inner container 10.

Referring to fig. 1-4, in some embodiments of the utility model, a plurality of water line assemblies 30 may be connected to the flange 20.

Wherein, the plurality of water pipe assemblies 30 may include a water inlet pipe 301 and a water outlet pipe 302, an inlet end 3011 of the water outlet pipe 302 may be located at the top in the liner 10, and a water outlet end 3021 of the water inlet pipe 301 is located at the bottom in the liner 10, and projections of the water inlet pipe 301 and the water outlet pipe 302 from top to bottom fall into the inner side of the mounting port 13; this improves the hot water output of the electric water heater 100 and facilitates the assembly and disassembly of the water pipe assembly 30.

It can be appreciated that the density of the heated water is smaller than that of the unheated water, so that the hot water can be collected at the top of the inner container 10, and the inlet end 3011 of the water outlet pipe 302 can be positioned at the top of the inner container 10, so that the hot water outlet effect of the electric water heater 100 can be improved; in addition, the water outlet end 3021 of the water inlet pipe 301 may be located at the bottom of the inner container 10, so that water entering the inner container 10 may be uniformly distributed in the inner container 10, and the water level in the inner container 10 may be prevented from being too low, so that the water outlet end 3021 of the water inlet pipe 301 may impact the water in the inner container 10, in other words, liquid may be prevented from fluctuating.

Next, in the projection in the up-down direction, the water inlet pipe 301 and the water outlet pipe 302 are both dropped into the inside of the mounting port 13, so that when the flange 20 is mounted, the water inlet pipe 301 and the water outlet pipe 302 can extend into the inner container 10 from the bottom of the inner container 10 in the up-down direction to complete the mounting.

Referring to fig. 4 and 5, in some embodiments of the present utility model, a plurality of heating assemblies 40 may be connected to the flange 20, wherein a top-down projection of the plurality of heating assemblies 40 is located inside the mounting opening 13; alternatively, at most one of the plurality of heating elements 40 projects out of the mounting opening 13 in a top-down projection; thus, the disassembly and assembly efficiency of the electric water heater 100 can be improved, and the electric water heater 100 is convenient to maintain.

In detail, the installation opening 13 is provided at the bottom of the inner container 10, the plurality of heating assemblies 40 may be installed on the flange plate 20, and in combination with the previous embodiments, the first heating section 411 and the second heating section 421 among the heating assemblies 40 extend in the up-down direction, so that, when the electric water heater 100 is installed, the plurality of heating assemblies 40 connected to the flange plate 20 may extend into the inner container 10 in the up-down direction, and then the flange plate 20 may be installed in the inner container 10, and the installation opening 13 is capped, thereby achieving the installation; in other words, in the vertical projection, the plurality of heating elements 40 may be located inside the mounting opening 13, or one of the plurality of heating elements 40 may protrude from the mounting opening 13, so that the electric water heater 100 may be easily assembled and disassembled.

Referring to fig. 4 and 5, in some embodiments of the present utility model, the water line assembly 30 and the heating assembly 40 may be mounted on the same flange 20; it can be understood that when the electric water heater 100 is installed, the flange 20 is installed at the installation opening 13, so that the liner 10 of the electric water heater 100 can be closed, the normal operation of the electric water heater 100 is ensured, and meanwhile, the water pipe assembly 30 and the heating assembly 40 can also be installed on the liner 10 along with the flange 20, so that the installation efficiency is improved; in contrast, when the electric water heater 100 is detached, the flange 20 can be detached from the electric water heater 100, and the water pipe assembly 30 and the heating assembly 40 are detached accordingly, so that a technician can conveniently maintain the inside of the electric water heater 100, the water pipe assembly 30, the heating assembly 40 and the like, and further the service life of the electric water heater 100 can be prolonged, and therefore, the detachment efficiency of the electric water heater 100 can be further improved, and the maintenance of the electric water heater 100 is facilitated.

Referring to fig. 4 and 5, in some specific examples of the present utility model, a temperature detecting member 50 may be provided in the water heater for detecting the water temperature in the inner container 10, so as to prevent the user from being scalded by the water temperature.

In some specific examples of the present utility model, the electric water heater 100 may include a first heater 41 and a second heater 42, the heating end of the first heater 41 may be located in the first container 11, the heating end of the second heater 42 may be located in the second container 12, and the inlet end 3011 of the water outlet pipe 302 may be located in the first container 11, and the outlet end of the water inlet pipe 301 may be located in the second container 12, so when a user needs a small amount of hot water, the water in the first container 11 may be heated by the first heater 41, and the heated water may flow to the water outlet pipe 302 with a relatively short distance, so that the electric water heater 100 may quickly discharge the hot water; in the foregoing process, the first heater 41 and the second heater 42 may alternately operate, and the water in the first container 11 and the second container 12 may be gradually heated, and simultaneously, hot water may be rapidly provided to the user, so as to improve the hot water output efficiency of the electric water heater 100, and meet the needs of the user.

In some embodiments of the present utility model, the inner wall surface of the liner 10 is provided with a corrosion resistant plastic layer.

According to the electric water heater 100 of the embodiment of the utility model, the installation opening 13 is formed in the inner container 10, the flange 13 is installed at the installation opening 13, the heating component 40 and/or the water inlet and outlet pipe are installed through the flange 13, so that the heating component 40 and/or the water inlet and outlet pipe extend into the inner container 10 through the installation opening 13, when the heating component 40 is installed on the flange 13, the water in the inner container 10 is heated through the heating component 40, when the water inlet and outlet pipe is installed on the flange 13, the water is added into the inner container 10 through the water inlet and outlet pipe or the water in the inner container 10 is led out, the inner wall surface of the inner container 10 is completely wrapped by the anti-corrosion plastic layer through the arrangement of the anti-corrosion plastic layer on the inner wall surface of the inner container 10, and the water is isolated from the inner wall surface of the inner container 10, so that the inner wall surface of the inner container 10 is subjected to an anti-corrosion effect, and the process is simple and the reliability is good.

Specifically, the inner container 10 is made of various materials, for example, the inner container 10 may be made of metal (e.g., iron or stainless steel), ceramic, plastic, etc., and in this embodiment, the inner container 10 is made of an iron-carbon alloy, so that the inner container 10 has high strength and ensures the pressure-bearing performance of the inner container 10.

It should be noted that, the anti-corrosion plastic layer is coated on the inner wall surface of the liner 10 by a rotational molding process, specifically, rotational molding, and the like, which is a thermoplastic 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 anti-corrosion plastic layers will lead to poor anti-corrosion effect, too thick anti-corrosion plastic layers will lead to uneven thickness of the anti-corrosion plastic layers and risk of foaming and the like, specifically, in the embodiment of the application, the thickness of the anti-corrosion plastic layers 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 may be set as desired, which is not limited in this application.

Further, the anti-corrosion plastic layer is made of various materials, such as polypropylene and polybutylene, specifically, in the application, the anti-corrosion plastic layer is made of crosslinked polyethylene, and the service life of the anti-corrosion plastic layer is prolonged due to the fact that the crosslinked polyethylene has higher corrosion resistance and heat resistance, and the inner wall surface of the liner 10 can be better protected.

Further, the anti-corrosion plastic layer is arranged on the inner wall of the mounting opening 13, so that the anti-corrosion plastic layer is used for carrying out anti-corrosion protection on the inner wall surface of the mounting opening 13, rust on the mounting opening 13 is avoided, and the service life of the liner 10 is prolonged.

The periphery of the inner wall surface of the mounting opening 13 and the joint of the inner wall surface of the liner 10 are in arc transition setting, so that the joint of the periphery of the inner wall surface of the mounting opening 13 and the inner wall surface of the liner 10 is smooth, coating of the anti-corrosion plastic layer is convenient for slurry coating, the anti-corrosion plastic layer becomes balanced, and the falling foaming risk is avoided.

The mounting opening 13 is provided as a flanging hole to form an annular flanging protruding out of the outer surface of the liner 10, and the flange 13 is sleeved on the annular flanging, so that the flange 13 is convenient to mount.

The shape of the annular flange may be a circular ring shape or an elliptical ring shape, and in addition, the annular flange may be a continuous ring shape or a discontinuous ring shape, and specifically, the present application is not limited thereto.

Further, the anti-corrosion plastic layer is distributed to the inner side surface and the outer end surface of the annular outward flange, so that the adhesive force born by the anti-corrosion plastic layer is increased due to the included angle between the inner side surface and the outer end surface of the annular outward flange, and the anti-corrosion plastic layer is coated more in a fitting way. The outer end face of the flange 13 is flush with the outer end face of the annular flanging, so that the integrity of the anti-corrosion plastic layer is improved, and the liner 10 and the flange 13 are more attractive after being installed.

The outer end surface of the flange 13 and the outer end surface of the annular flange are flush, which means that the surface of the outer end surface of the annular flange, on which the anti-corrosion plastic layer is arranged, is flush with the outer end surface of the flange 13. Of course, there are cases where the surface after the layer of corrosion-resistant plastic is applied is lower than or the outer end face of the flange 13 due to errors, for example, in other embodiments, the error value is set to Δl, where 0< Δl is 2mm. In concrete production and processing, the outer end of the annular flanging is provided with a gap with the inner wall surface of the flange 13, and when the anti-corrosion plastic layer is actually coated, the anti-corrosion plastic layer is distributed in the gap, and as an included angle is formed between the outer end of the annular flanging and the outer end surface of the annular flanging, the adhesive force born by the anti-corrosion plastic layer is increased, so that the anti-corrosion plastic layer is coated more closely. The integrity of the anti-corrosion plastic layer is improved, so that the liner 10 and the flange 13 are more attractive after being installed.

It should be noted that, the setting position of the installation opening 13 is not limited in this application, for example, the bottom and/or the lateral part of the inner container 10 are provided with the installation opening 13, so set up, and simple structure, easy processing, when only being provided with an installation opening 13 on the inner container 10, when the ring flange 13 that locates the installation opening 13 supplies heating element 40 and business turn over water pipe installation, need not weld a plurality of water pipe heads, reduce the process, and the reliability is good, only be provided with an installation opening 13, be favorable to anticorrosive plastic layer's integrated into one piece, realize the anticorrosive parcel to the inner container 10, reduce the defect.

Specifically, anticorrosive plastic layer lays to the internal face of drain, so sets up, carries out anticorrosive protection to the internal face of drain through anticorrosive plastic layer, avoids the drain to take place the corrosion, improves the life of inner bag 10. In some embodiments of the utility model, the flange 13 is provided with a water inlet, a water outlet and a drain. The water inlet pipe is matched with the water inlet, the water outlet pipe is matched with the water outlet, and the sewage outlet is used for sewage discharge. At least one periphery of the water inlet, the water outlet and the sewage outlet can be provided with a connecting cylinder which extends towards the outer side of the inner container and is used for connecting the water inlet pipe, the water outlet pipe and the sewage outlet cover.

The periphery of the inner wall surface of the drain outlet and the joint of the inner wall surface of the liner 10 are in arc transition, so that the periphery of the inner wall surface of the drain outlet and the joint of the inner wall surface of the liner 10 are smooth, coating of the anti-corrosion plastic layer is convenient for slurry coating, the anti-corrosion plastic layer becomes balanced, and the falling foaming risk is avoided. Specifically, the anticorrosive plastic layer is distributed to the inner wall surfaces of the water inlet and the water outlet, so that the inner wall surfaces of the water inlet and the water outlet are subjected to anticorrosive protection through the anticorrosive plastic layer, the inner wall surfaces of the water inlet and the water outlet are prevented from being corroded, and the service life of the liner 10 is prolonged.

The periphery of the inner wall surface of the water inlet and the joint of the periphery of the inner wall surface of the water outlet and the inner wall surface of the liner 10 are all in arc transition setting, so that the joint of the periphery of the inner wall surface of the water inlet and the joint of the periphery of the inner wall surface of the water outlet and the inner wall surface of the liner 10 are smooth, coating slurry coating of the anti-corrosion plastic layer is facilitated, the anti-corrosion plastic layer becomes balanced, and the falling foaming risk is avoided.

In the utility model, the periphery of the water inlet and/or the water outlet is outwards extended to be provided with the connecting cylinder protruding from the inner container 10, the anti-corrosion plastic layer is arranged on the inner wall surface of the connecting cylinder, the end part of the connecting cylinder is provided with external threads, the external threads at the end part of the connecting cylinder are in threaded connection with the thread head of the water pipe, the quick connection between the water pipe and the connecting cylinder is realized, the sealing of the connecting part is realized by utilizing the tightness of the threaded connection, the water leakage at the connecting part is prevented, and the anti-corrosion plastic layer is safe and reliable.

In the description of the present utility model, it should be understood that the terms "length," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "radial," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not 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 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 the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

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 formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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 "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some 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 present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (18)

1. An electric water heater, comprising:

the inner container (10), the axis of the inner container (10) extends along the left-right direction, and the bottom is provided with a mounting opening (13);

the flange plate (20), the flange plate (20) is connected with the liner (10) and covers the mounting opening (13), a water pipe fixing point (211) and a heater fixing point (212) are arranged on the flange plate (20), and in the projection along the up-down direction, the water pipe fixing point (211) and the heater fixing point (212) are both positioned inside the outer edge outline of the mounting opening (13);

the water pipe assembly (30) is connected with a water pipe fixing point (211) on the flange plate (20) and extends into the inner container (10);

and the heating component (40) is connected with a heater fixing point (212) on the flange plate (20) and extends into the inner container (10).

2. The electric water heater according to claim 1, wherein the flange (20) comprises a plate (21), a groove (213) recessed toward the inner space of the inner container (10) is provided on the plate (21), and the water pipe fixing point (211) and the heater fixing point (212) are provided on the bottom wall of the groove (213).

3. Electric water heater according to claim 2, characterized in that the lower end of the water pipe assembly (30) is connected to and protrudes from the tray body (21) and is at least partially arranged in the recess (213).

4. The electric water heater according to claim 2, wherein the flange (20) further comprises a cylinder (22), the water pipe fixing point (211) is provided with a first mounting hole, the cylinder (22) extends along the up-down direction and is at least partially arranged in the groove (213), the upper end periphery is connected with the periphery of the first mounting hole, and the lower end of the water pipe assembly (30) is connected with the cylinder (22).

5. The electric water heater according to claim 4, wherein the water pipe assembly (30) is arranged in the first mounting hole in a penetrating manner from bottom to top and extends into the inner container (10), and the lower end of the water pipe assembly (30) is arranged on the outer side of the flange plate (20) and is sleeved with the cylinder body (22) from bottom to top and is detachable.

6. Electric water heater according to claim 2, characterized in that a part of the tray body (21) is recessed towards the inner space of the inner container (10) and is deep towards the mounting opening (13), and that a recess (213) is constructed at the side facing away from the inner space of the inner container (10).

7. Electric water heater according to claim 1, characterized in that a connecting ring (60) is arranged at the mounting opening (13), the connecting ring (60) surrounds the mounting opening (13) and is connected with the inner container (10), and the flange plate (20) is connected to one side of the connecting ring (60) facing away from the inner container (10) in a stacked manner.

8. The electric water heater as claimed in claim 7, wherein a flange (70) is provided at the mounting opening (13), the flange (70) extends along the circumferential direction of the mounting opening (13) and is connected with the circumferential edge of the mounting opening (13) and extends in a direction away from the mounting opening (13), a positioning groove opening in a direction away from the mounting opening (13) is formed between the flange (70) and the outer bottom surface of the inner container (10), and the inner periphery of the connecting ring (60) is positioned in the positioning groove and is laminated and fixedly connected with the flange plate (20).

9. The electric water heater according to claim 7, wherein the flange (20) comprises a main body and a mounting portion, the water pipe fixing point (211) and the heater fixing point (212) being provided to the main body, the mounting portion being connected to a periphery of the main body and being provided around the main body, the mounting portion being fastened to the connection ring (60) by a fastener to cover the mounting opening (13).

10. The electric water heater as claimed in claim 9, wherein the mounting portion is provided with a plurality of first connection holes (23) spaced around the main body, the connection ring (60) is provided with a plurality of second connection holes (80) spaced around the mounting opening (13), the first connection holes (23) correspond to the second connection holes (80), and the fastener is provided through the first connection holes (23) and the second connection holes (80).

11. The electric water heater of claim 10, wherein the second connection hole (80) includes a first portion and a second portion, the first portion and the second portion being in communication, the fastener including a bolt, the first portion having a width dimension greater than a width dimension of a bolt head, the second portion having a width dimension less than the width dimension of the bolt head and not less than a width dimension of a bolt shank.

12. Electric water heater according to claim 1, characterized in that a first plane is defined perpendicular to the normal of the mounting opening (13), the orthographic projection of the mounting opening (13) towards the first plane being rectangular or rounded rectangular or elliptical or oblong.

13. The electric water heater according to claim 4, wherein the water tube assembly (30) comprises:

A power-proof wall body (31), wherein the lower end of the power-proof wall body (31) is provided with an interface part (311), the upper end of the power-proof wall body is provided with a sleeving part (313), a connecting part (312) positioned between the interface part (311) and the sleeving part (313) is arranged in the power-proof wall body (31), and the connecting part (312) is provided with a communication hole (3121) for connecting the interface part (311);

a pipe body (32), wherein the lower end of the pipe body (32) stretches into the inner side of the sleeving part (313) and is connected with the connecting part (312), the pipe body (32) is communicated with the communication hole (3121),

the sleeve joint part (313) is sleeved on the outer side of the cylinder body (22), and the pipe body (32) penetrates into the inner container (10) from bottom to top.

14. The electric water heater as claimed in claim 13, wherein the axis of the liner (10) extends in the left-right direction, the water pipe assemblies (30) include at least two, and the at least two water pipe assemblies (30) are mounted on the flange plate (20) and are arranged at intervals in the left-right direction.

15. The electric water heater according to any one of claims 1-14, wherein the heating assembly (40) comprises a first heater (41) and a second heater (42), the first heater (41) and the second heater (42) being both mounted on the flange (20).

16. The electric water heater of claim 15, wherein the electric water heater comprises a water heater,

the hot end of the first heater (41) comprises a plurality of first heating sections (411), the plurality of first heating sections (411) are arranged side by side and are connected with one another, and the first heating sections (411) extend in the up-down direction;

and/or, the hot end of the second heater (42) comprises a plurality of second heating sections (421), the second heating sections (421) are arranged side by side and are connected with each other, and the second heating sections (421) extend along the left-right direction.

17. The electric water heater according to any one of claims 1-14, wherein the inner container (10) comprises a first container body (11) and a second container body (12), the first container body (11) and the second container body (12) extend along the left-right direction, the first container body (11) is connected above the second container body (12), the first container body (11) is communicated with the second container body (12), and the mounting opening (13) is arranged on the bottom wall of the second container body (12);

and/or, a plurality of heating assemblies (40) are connected to the flange plate (20), and projections of the heating assemblies (40) from top to bottom are located at the inner side of the mounting opening (13); or, at most one of the heating assemblies (40) projects out of the mounting opening (13) in a top-down projection;

And/or the water pipe assembly (30) and the heating assembly (40) are mounted on the same flange plate (20).

18. The electric water heater according to claim 1, wherein the inner wall surface of the inner container (10) is provided with a corrosion resistant plastic layer.