CN112710085A - Inner container structure of electric water heater and water heater - Google Patents

Abstract

The invention relates to an inner container structure of an electric water heater, which comprises an inner container cover and an inner container box, wherein the inner container cover and the inner container box form an inner container, the inner container is internally provided with the heat exchange coil and the electric heating body, the inner container is arranged in the shower screen, the inner container cover and the inner container box are formed by injection molding, a first mounting column is arranged in the inner container box, a second mounting column is arranged on the inner container cover, the first mounting column is hermetically connected with the second mounting column, the end part of the side plate of the inner container box is provided with a flanging, a first sealing ring groove and a first mounting seat are arranged on the turnup, a second sealing ring groove and a mounting hole are also arranged on the inner container cover corresponding to the inner container box, the first sealing ring groove is connected with the second sealing ring groove in a sealing way, the first mounting seat is connected with the mounting hole through a fastener, the bottom of the back plate of the inner container box is inwards sunken to form a first concave position and a second concave position through which the avoidance pipeline passes. The inner container structure has high capacity utilization rate, the valve component is integrally injection-molded, the structure is compact, and the water heater is integrally simplified.

Description

Inner container structure of electric water heater and water heater

Technical Field

The invention relates to the technical field of electric water heaters, in particular to an inner container structure of an electric water heater and the electric water heater.

Background

Along with the progress of the production technology and the continuous reduction of the production cost of the electric water heater and the continuous increase of the demand of people on the electric water heater, the electric water heater is widely popularized to the public and people can enjoy the life convenience brought by the water heater, the electric water heater comprises an integrated shower screen water heater which is attractive, high-grade, powerful and popular, the shower screen can be further divided into a water storage type and an instant heating type according to the heating mode, an important part in the water storage type shower screen is an inner container which is related to the service performance and the service life of the water heater, so that the inner container structure has higher requirements on design.

Disclosure of Invention

The invention aims to provide an inner container structure of an electric water heater and the water heater, which have the advantages of high capacity and space utilization rate and reasonable assembly and overcome the defects of the prior art.

The invention adopts the following technical scheme to realize the purpose:

an inner container structure of an electric water heater comprises an inner container cover and an inner container box, wherein the inner container cover and the inner container box form an inner container, a heat exchange coil and an electric heating body are accommodated in the inner container, the inner container is arranged in a shower screen, it is characterized in that the inner container cover and the inner container box are formed by injection molding, a first mounting column is arranged in the inner container box, the inner container cover is provided with a second mounting column, the first mounting column is hermetically connected with the second mounting column, the end part of the side plate of the inner container box is provided with a flanging, a first sealing ring groove and a first mounting seat are arranged on the turnup, a second sealing ring groove and a mounting hole are also arranged on the inner container cover corresponding to the inner container box, the first sealing ring groove is connected with the second sealing ring groove in a sealing way, the first mounting seat is connected with the mounting hole through a fastener, the bottom of the back plate of the inner container box is inwards sunken to form a first concave position and a second concave position through which the avoidance pipeline passes.

The first concave position and the second concave position are symmetrically arranged, the first concave position is used for avoiding a tap water inlet pipeline arranged on the wall, and the second concave position is used for avoiding a hot water outlet pipeline arranged on the wall; the tap water inlet pipeline provides tap water for the electric water heater, and the hot water outlet pipeline is connected with a mixed water outlet end of the water heater.

A third concave position is arranged on one side of the back plate of the inner container box in an inwards recessed mode, a fourth concave position is arranged on the other side of the back plate of the inner container box in an inwards recessed mode, a first wall hanging part and a second wall hanging part which are fixed with a wall of the shower screen are further arranged on the back plate of the inner container box in an inwards recessed mode, the third concave position is arranged on a top spraying pipeline in the shower screen in an avoiding mode, the fourth concave position is arranged on a power line in the shower screen in an avoiding mode, the third concave position and the fourth concave position are symmetrically arranged, the third concave position and the fourth concave position are located at the upper ends of the first concave position and the second concave position, and the width of the third concave position and the fourth concave position is smaller than the width of the first concave position and the width of the second concave position; first wall portion is the same with second wall portion size, and the middle part of first wall portion sets up first heavy chamber, and the both ends of first wall portion set up the installation department, and the sunken degree of depth ratio installation department in first heavy chamber is deep.

The shower cabinet is characterized in that a first through hole, a flange hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole are formed in a bottom side plate of the inner container box, a sixth through hole and a mounting seat used for fixing the inner container in the shower screen are formed in a top side plate of the inner container box, the first through hole, the flange hole and the second through hole are sequentially arranged on the bottom side plate of the inner container box, the third through hole, the fourth through hole and the fifth through hole are formed in the upper portion of the flange hole and are sequentially arranged on the bottom side plate of the inner container box, the first through hole is used for a water outlet pipeline of the heat exchange coil to pass through, the electric heating body is fixed on the flange hole, the second through hole is used for a water inlet pipeline of the heat exchange coil to pass through, the third through hole is used for mounting an inner container water temperature detector, the fourth through hole is used for mounting a drain pipe, and the.

The coil pipe screens for preventing the heat exchange coil pipes from loosening are arranged in the inner container box, the ball float valve is arranged on the sixth through hole, and the floating ball blocking portion is arranged at the upper end in the inner container box and surrounds the floating ball corresponding to the ball float valve.

The inner container cover is provided with a second sinking cavity, a third sinking cavity and a fourth sinking cavity, the second sinking cavity is provided with a top spray, the third sinking cavity is provided with a display screen mounting plate, the display screen mounting plate is provided with a display screen, the fourth sinking cavity is provided with a side spray, the second sinking cavity is arranged at the top end of the inner container cover, the third sinking cavity is arranged at the lower end of the second sinking cavity, the fourth sinking cavity is arranged at the lower end of the third sinking cavity, and the inner container cover is further provided with a side spray pipeline groove adjacent to the fourth sinking cavity.

A water heater comprises the inner container structure of the electric water heater, a valve assembly is arranged below the inner container, the valve assembly comprises a shell cover and a base which forms a containing cavity with the shell cover, the shell cover and the base are formed by injection molding, a main pipe is arranged on the base, a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe and a fifth branch pipe are vertically arranged on the main pipe in sequence, the first branch pipe is used for being connected with a tap water inlet pipeline, the second branch pipe is used for being connected with an inner container water replenishing pipeline, the third branch pipe is used for being connected with a heat exchange coil water inlet pipeline, the fourth branch pipe is used for being connected with a mixed water outlet pipeline, the fifth branch pipe is used for being connected with a heat exchange coil water outlet pipeline, through holes are arranged on the shell cover corresponding to the branch pipes, a mixed water valve seat is arranged at the joint of the fourth branch pipe and the main pipe, and the valve seats, the main pipe and the branch pipes are integrally molded.

The first branch pipe, the third branch pipe and the fifth branch pipe are communicated with the main pipe, the first branch pipe is provided with an extension pipe extending to the base at the opposite end of the main pipe, a flow control column is detachably arranged in the extension pipe, the adjusting end of the flow control column can reach the opening of the first branch pipe in the main pipe so as to adjust the water flow, the second branch pipe and the fourth branch pipe are not communicated with the main pipe, a partition plate for dividing a heat insulation water path and a cold water path is arranged in the main pipe by taking the fourth branch pipe as a dividing line, a first valve hole, a second valve hole and a third valve hole are arranged at the bottom of the valve seat of the water mixing valve, so that the valve cavity of the water mixing valve is communicated with the fourth branch pipe, the hot water path and the cold water path of the main pipe, hot water and cold water are input into the second branch pipe through the water mixing valve, and a fourth valve hole and a fifth valve hole are formed in the bottom of the valve seat of the water replenishing valve, so that the valve cavity of the water replenishing valve is communicated with the second branch pipe and the cold water path of the main pipe, and cold water is input into the second branch pipe through the water replenishing valve.

Be equipped with first motor mount pad on the handing-over department of being responsible for with the third branch pipe, be equipped with the second motor mount pad on the handing-over department of being responsible for with the extension pipe be equipped with water flow sensor mount pad on the outer wall of first branch pipe, make and have the appearance chamber that can hold water flow sensor in the first branch pipe, set up the undergauge pipeline section in the first branch pipe, the undergauge pipeline section intersects with water flow sensor mount pad inner chamber be provided with first temperature on the third branch pipe and survey the seat be provided with the second temperature on the fourth branch pipe and survey the seat.

The base, each branch pipe, the water mixing valve seat, the water replenishing valve seat, the first motor mounting seat, the second motor mounting seat, the water flow sensor mounting seat, the first water temperature detection seat and the second water temperature detection seat are of an integral injection molding structure, and the valve assembly is fixed in the shower screen.

The invention has the beneficial effects that:

1) the liner structure and the valve component are manufactured by adopting a plastic injection molding process, the liner is insulated and safe, the back of the liner is provided with a concave position for avoiding other pipelines such as a tap water pipeline and a hot water pipeline and a power line and a wall hanging structure matched with the inner wall of a shower screen, and the main surface of the liner is provided with mounting structures such as top spraying, display screen and side spraying, so that the capacity utilization efficiency of the liner is greatly improved, the waste of redundant space is reduced, and the product structure is compact and practical.

2) The inner container is also internally provided with an installation structure for protecting the heat exchange coil and the ball float valve, so that the structure of the inner container is more solid, the inner components of the inner container are not easy to damage, and a sealing structure is arranged between the inner container cover of the inner container and the inner container box, so that the inner container is not easy to leak water.

3) The valve assembly of the water heater integrates and integrally molds the water pipe, the water mixing valve, the water replenishing valve, the motor and other mounting structures, occupies small space, is simple in process, reasonable in structure, capable of effectively reducing the mounting complexity, relatively convenient to maintain and capable of improving the use experience of users compared with the traditional water heater which is internally and externally connected with complicated pipelines and valves.

Drawings

Fig. 1 is a schematic perspective view of an inner container of an electric water heater according to the present invention.

Fig. 2 is an assembly schematic diagram of the inner container cover and the inner container box of the inner container of the electric water heater.

Fig. 3 is a schematic diagram of a liner box back plate structure of the liner of the electric water heater.

Fig. 4 is a schematic diagram of the top side structure of the liner box of the liner of the electric water heater.

Fig. 5 is a schematic view of the inner container box of the inner container of the electric water heater.

Fig. 6 is a schematic view of an assembly structure of a liner cover panel of the liner of the electric water heater.

Fig. 7 is a front view of the water heater with the liner structure of the electric water heater of the present invention.

FIG. 8 is a perspective view of the valve assembly of the water heater of the present invention.

FIG. 9 is an internal cross-sectional view of the valve assembly of the water heater of the present invention.

Fig. 10 is a schematic view of the mounting seats of the mixing valve and the water replenishing valve of the valve assembly of the water heater of the invention.

FIG. 11 is a schematic view of the assembly of the mixing valve and the refill valve of the valve assembly of the water heater of the present invention.

FIG. 12 is a perspective view of a water temperature sensing receptacle, a water flow sensor mounting receptacle and a mounting plate of the valve assembly of the water heater of the present invention.

Description of reference numerals: 01. the inner container, 02, the valve component, 03, the shower screen, 1, the inner container cover, 11, the mounting hole, 12, the second mounting column, 13, the second sinking cavity, 14, the third sinking cavity, 15, the display screen fixing plate, 16, the display screen, 17, the fourth sinking cavity, 18, the side spray pipeline groove, 19, the side spray, 2, the inner container box, 21, the first mounting seat, 211, the first mounting column, 212, the coil pipe clamping position, 22, the first concave position, 23, the second concave position, 24, the third concave position, 25, the fourth concave position, 26, the first wall hanging part, 261, the second wall hanging part, 262, the first sinking cavity, 263, the second mounting seat, 27, the first bottom, 271, the first through hole, 272, the flange hole, 2721, the third mounting seat, 273, the second through hole, 28, the second bottom, 281, the third through hole, 282, the fourth through hole, 283, the fifth through hole, 291, 29, the sixth through hole, 292, the fourth mounting seat, 293. a first ball retainer, 2931, a seventh mounting seat, 294, a sixth mounting seat, 4, a housing, 41, a pipe hole, 42, a housing mounting hole, 43, a first wire hole, 44, a second wire hole, 45, a third wire hole, 5, a base, 51, a support plate, 52, a circuit board mounting post, 53, a mounting plate, 531, a first constriction, 532, a second constriction, 54, a thermal fuse protector mounting hole, 6, a main pipe, 61, a tap water inlet pipe, 611, an extension pipe, 612, a water flow sensor mounting seat, 62, a second branch pipe, 63, a third branch pipe, a first water temperature detection seat, 64, a fourth branch pipe, 641, a second water temperature detection seat, 65, a fifth branch pipe, 66, a partition, 67, a hot water circuit, 68, a cold water mixing, 7, a water valve, 71, a water replenishing valve seat, 711, a first valve hole, a second valve hole, 72, a first valve cover, 73, a first valve core, 74. the water distributor comprises a first relay, 75, a first gear, 76, a first motor mounting seat, 761, a first motor, 762, a second gear, 8, a water supplementing valve, 811, a third valve hole, 812, a fourth valve hole, 813, a fifth valve hole, 82, a second valve cover, 83, a second valve core, 84, a second relay, 85, a third gear, 86, a second motor mounting seat, 861, a second motor, 862, a fourth gear, 9 and a water distributor.

Detailed Description

The technical solution is described in detail with reference to specific embodiments below.

The invention discloses an inner container structure of an electric water heater, which comprises an inner container cover 1 and an inner container box 2, wherein the inner container cover 1 and the inner container box 2 are formed by injection molding, the end part of a side wall plate of the inner container box 1 is outwards provided with a flanging bent by 90 degrees, a first sealing ring groove and a first mounting seat 21 are arranged on the flanging, the inner container cover 1 is provided with a second sealing ring groove matched with the first sealing ring groove and a mounting hole 11 corresponding to the first mounting seat 21, the first sealing ring groove and the second sealing ring groove are folded to form a containing groove of a sealing ring, the inner container cover 1 and the inner container box 2 are sealed by mounting the sealing ring between the inner container cover 1 and the inner container box 2, the inner container 01 is formed by fastening and splicing the inner container cover 1 and the inner container box 2 through fasteners such as screws, an opening flange of the inner container cover 1 and the inner container box 2 is horizontal, and a heat exchange coil pipe and an electric heating body are arranged in the.

Inner bag box 2 internally arranged has the first erection column 211 of a plurality of, the top of first erection column 211 sets up the flange that is used for positioning seal ring, 1 be provided with the second erection column 12 with erection column 31 the same quantity on one side of inner bag box 2 at inner bag lid equally, set up the hypotenuse in the opening of second erection column 12, make first erection column 211 leading-in second erection column 12 easily, second erection column 12 passes through the screw connection with first erection column 211, set up seal ring between second erection column 12 and the first erection column 211, inner bag lid 1 is fixed with inner bag box 2, make the bulk strength of inner bag 01 better.

Inwards sunken setting in 2 backplate bottom one side of inner bag box is used for dodging the first concave position 22 of installing the running water inlet pipe on the wall, the inside sunken setting in opposite side is used for dodging the second concave position 23 of installing the hot water outlet pipe way on the wall, the inside sunken setting in one side of 2 backplates of inner bag box above first concave position 22 is used for dodging the third concave position 24 that the top spouts the pipeline and pass through, the inside sunken setting in one side of 23 tops of second concave position of inner bag box backplate is used for dodging the fourth concave position 25 that the power cord passes through, third concave position 24 and fourth concave position 25 are littleer than the width of first concave position 22 and second concave position 23, first concave position 22 and the symmetrical setting in second concave position 23, third concave position 24 and the symmetrical setting in fourth concave position 25.

Still inwards cave in and be provided with first wall portion 26 and second wall portion 261 on the backplate of inner bag box 2, first wall portion 26 and the protruding embedding that second wall portion 261 is used for on the casing of shower screen 03, make the inner bag fix on shower screen 03 inner wall, first wall portion 26 is the T font, second wall portion 261 is the same with first wall portion 26 shape size, the middle part of first wall portion 26 sets up to first heavy chamber 262, the depth at the sunken degree ratio both ends of first heavy chamber 262, make inner bag 01 hug closely with shower screen 03, then be provided with second mount pad 263 on the both ends of first wall portion 26, fasten inner bag 01 on shower screen 03 inner wall through screwed connection.

The bottom side wall of the inner container box 2 is divided into a first bottom 27 and a second bottom 28, the first bottom 27 is higher than the second bottom 28, the first bottom 27 is provided with a first through hole 271, a flange hole 272 and a second through hole 273, the second bottom is also provided with a third through hole 281, a fourth through hole 282 and a fifth through hole 283, the first through hole 271 is a tube hole of a water outlet pipe of the heat exchange coil, the second through hole 273 is a tube hole of a water inlet pipe of the heat exchange coil, and water in the heat exchange coil can fully exchange heat with water in the inner container 01, so that the purpose of heating the water is achieved; the flange hole 272 is provided with a third mounting seat 2721, and the flange hole 272 is provided with an electric heater through the third mounting seat 2721 in a screw connection manner, so that the electric heater can heat water in the liner 01 to exchange heat with water in the heat exchange coil, and thus the water in the heat exchange coil is heated; the third through hole 281 is used for installing a detector for detecting the temperature of the liner 01 and transmitting the temperature parameter of the liner 01 to a main control board of the shower screen; the fourth through hole 282 is used for installing a sewage discharge pipe to discharge the deposited sewage in the liner 01 in time, so that the inside of the liner 01 is kept in a relatively clean water environment; the fifth through hole 283 is a pipe hole of the liner water replenishing pipe, and the first through hole 271, the second through hole 273, the third through hole 281, the fourth through hole 282 and the fifth through hole 283 can be changed.

A sixth through hole 29 is formed in the top side wall of the inner container box 2, a fourth mounting seat 291 is arranged on the sixth through hole 29, the sixth through hole 29 is provided with a water level detector in a screw connection mode through the fourth mounting seat 291, the water level detector adopts a ball float valve and is used for detecting the highest water level of the inner container 01, when the water level of the inner container 01 is lower than the top of the heat exchange coil, the water amount needs to be supplemented in time, and the heat exchange efficiency is guaranteed.

Still set up fifth mount pad 292 on the top lateral wall of inner bag box 2, fifth mount pad 292 is fixed with shower screen 03 casing, makes inner bag 01 fix the inside central point at shower screen 03.

A coil pipe clamping position 212 is arranged on the wall surface of the inner container box 2 corresponding to the upper part of the heat exchange coil pipe, and the coil pipe clamping position 212 is used for fixing the heat exchange coil pipe and preventing the heat exchange coil pipe from shaking left and right in the inner container; the inner container box 2 is provided with a floating ball blocking part on the position corresponding to the floating ball valve inside, a first floating ball baffle 293 is arranged on the inner wall of the inner container box 2, a sixth installation seat 294 is arranged on the inner side wall of the inner container box, a seventh installation seat 2931 is further arranged on the first floating ball baffle, a second floating ball baffle is fixed on the sixth installation seat 294 and the seventh installation seat 2931 through screw connection, the first floating ball baffle 293 and the inner wall of the inner container box 2, the side wall of the inner container box 2, the second floating ball baffle forms a floating ball blocking part, and the floating ball blocking part is used for limiting a floating ball and preventing the floating ball from colliding all around.

A second sinking cavity 13 is arranged at the upper part of the inner container cover 1, and the second sinking cavity 13 is used for mounting top spraying; a third sinking cavity 14 is formed in the middle of the inner container cover 1, the third sinking cavity 14 is used for mounting a display screen fixing plate 15, a display screen cavity is further formed in the display screen fixing plate 15, a display screen 16 is fixed on the display screen fixing plate 15, and through holes are formed in two sides of the display screen 16; the bottom of the inner container cover 1 is further provided with a fourth sinking cavity 17 and a side spraying pipeline groove 18 connected with the fourth sinking cavity 17, the fourth sinking cavity 17 is used for installing a side spraying pipeline 19, and the side spraying pipeline groove 18 avoids the side spraying pipeline to pass through.

The inner container structure is installed as above, and then the inner container is installed in the shower screen shell, so that the capacity utilization rate of the inner container is relatively high, the assembly is reasonable, and the shower screen shell is worthy of popularization.

The water heater also comprises a water heater, which comprises the inner container structure of the electric water heater, wherein a valve component 02 is connected below an inner container 01, the valve component 02 comprises a shell cover 4 and a base 5 forming a containing cavity together with the shell cover 4, the shell cover 4 and the base 5 are formed by injection molding, a bearing plate 51 is upwards arranged on the base 5, a main pipe 6 is transversely arranged on the bearing plate 51, it can be understood that two ends of the main pipe 6 are sealed to prevent fluid leakage, a first branch pipe 61, a second branch pipe 62, a third branch pipe 63, a fourth branch pipe 64 and a fifth branch pipe 65 are sequentially and vertically arranged on the main pipe 6, the first branch pipe 61 is used for connecting a tap water inlet pipeline, the second branch pipe 62 is used for connecting an inner container water supplementing pipeline, the third branch pipe 63 is used for connecting a heat exchange coil water inlet pipeline, the fourth branch pipe 64 is used for connecting a water mixing water outlet pipeline, the fifth branch pipe 65 is used for connecting a, the manifolds are connected to the pipes in the shower screen 03 via the pipe apertures 41.

Further, the pipe hole 41 is specifically provided on the panel of the housing 4, and the panel of the housing 4 is further provided with a housing mounting hole 42 fixed to the base 5, and a first wire hole 43, a second wire hole 44, and a third wire hole 45, where the first wire hole 43 is used for power line output, the second wire hole 44 is used for power line output of the electric heater, and the third wire hole 45 is used for wire output of the display screen 16.

Further, a circuit board mounting column 52 is arranged on the base 5, the power circuit board is fixed on the base 5 through screw connection, a relevant functional module is arranged on the power circuit board to be electrically connected with each device, and a thermal fuse protector mounting hole 54 for mounting a thermal fuse protector is also arranged on the base 5.

Further, the second branch pipe 62 and the fourth branch pipe 64 are not communicated with the main pipe 6, the third branch pipe 63 and the fifth branch pipe 65 are communicated with the main pipe 6, the bottom of the fourth branch pipe 64 is extended into the main pipe 6, and a partition plate 66 for dividing the heat insulating water passage 67 and the cold water passage 68 is provided in the main pipe 6 with the fourth branch pipe 64 as a boundary line, and it can be understood that the cold water passage 68 is provided on the left side and the hot water passage 67 is provided on the right side in the main pipe 6 with the fourth branch pipe 64 as a boundary line.

Further, the second branch pipe 62 is communicated with a water replenishing pipeline of the inner container and replenishes cold water to the inner container 01, the third branch pipe 63 is communicated with a water inlet pipeline of the heat exchange coil pipe and replenishes cold water to the heat exchange coil pipe, the fifth branch pipe 65 is communicated with a water outlet pipeline of the heat exchange coil pipe, and the fourth branch pipe 64 is communicated with water using pipelines such as top spraying, side spraying and shower heads.

Further, the one end of first branch pipe 61 is through being responsible for 6 and extending to on the base 5 with base 5 butt, the partial pipeline of first branch pipe 61 between being responsible for 6 and base 5 sets up to extension pipe 611, be provided with detachable flow control post on extension pipe 611, can set up into the helicitic texture between extension pipe 611 and the flow control post, the flow control post is sealed with the cooperation of extension pipe 611, prevent to be responsible for 6 cold water and reveal, when the size of inflow flow needs to be adjusted, accessible turn knob flow control post, thereby the regulation end with flow control post stretches into in being responsible for 6 and adjusts the running water flow size that flows in from first branch pipe 61, the regulation end of flow control post sets up to the cone.

The valve assembly comprises a water mixing valve 7 and a water replenishing valve 8, the water mixing valve 7 and the water replenishing valve 8 adopt electric valve structures, and it can be understood that the electric valve is flexible in assembly structure and reliable in performance, so that more space can be saved in assembly, a water mixing valve seat 71 extends on the wall surface of a connecting part between the fourth branch pipe 64 and the main pipe 6, a water replenishing valve seat 81 extends on the wall surface of a connecting part between the third branch pipe 63 and the main pipe 6, a first valve hole 711, a second valve hole 712 and a third valve hole 713 are arranged at the bottom of the water mixing valve seat 71, so that the valve cavity of the water mixing valve 7 is in matched communication with the fourth branch pipe 64, the hot water path 67 and the cold water path 68 of the main pipe 6, hot water and cold water are input into the fourth branch pipe 64 under the control of the water mixing valve 7, a fourth valve hole 811 and a fifth valve hole 812 are arranged at the bottom of the water replenishing valve seat 81, so that the water, cold water is fed into the second branch 62 under the control of the make-up water valve 8.

Further, a first valve cover 72 is fixed on the mixed water valve seat 71, a first valve core 73 used in cooperation with the first valve hole 711, the second valve hole 712 and the third valve hole 713 is arranged in an inner cavity of the mixed water valve seat 71, a first relay 74 is fixed on the first valve cover 72, a first gear 75 is further arranged on the first valve cover 72, an adjusting column of the first valve core 73 penetrates through the first valve cover 72 and is matched with a through hole of the first gear 75, a first motor mounting seat 76 is arranged on a wall surface of a joint portion of the main pipe 6 and the third branch pipe 63, a first motor 761 is fixed on the first motor mounting seat 76, and an output shaft of the first motor 761 is connected with a second gear 762 meshed with the first gear 75.

Furthermore, a second valve cover 82 is fixed on the water replenishing valve seat 81, a second valve core 83 matched with the fourth valve hole 811 and the fifth valve hole 812 for use is arranged on the inner cavity of the water replenishing valve seat 81, a second relay 84 is fixed on the second valve cover 82, a third gear 85 is further arranged on the second valve cover 82, an adjusting column of the second valve core 83 penetrates through the second valve cover 82 and is matched with a through hole of the third gear 85, a second motor mounting seat 86 is arranged on the wall surface of the joint part of the main pipe 6 and the extension pipe 611, a second motor 861 is fixed on the second motor mounting seat 86, and a fourth gear 862 meshed with the third gear 85 is connected to an output shaft of the second motor 861.

Furthermore, the mixing valve 7 is controlled to deliver cold water, hot water or cold and hot mixed water to the fourth branch pipe 64, the water supplementing valve 8 is controlled to deliver flow or cut off flow to the second branch pipe 62, the first relay 74 controls the first motor 761 to reset, and the second relay 84 controls the second motor 861 to reset.

Furthermore, a water flow sensor mounting seat 612 is arranged on the first branch pipe 61, the bottom of the water flow sensor mounting seat 612 is communicated with the first branch pipe 61, a water flow sensor for monitoring flow is fixed on the water flow sensor mounting seat 612, a containing cavity capable of containing the water flow sensor is arranged in the first branch pipe 61, a reducing pipe section is arranged in the first branch pipe 61, and the reducing pipe section is intersected with the inner cavity of the water flow sensor mounting seat 612, so that the impact force of water flow entering the first branch pipe 61 is stronger, the starting energy of the water flow sensor is reduced, the working efficiency of the water flow sensor is improved, when the water flow sensor and the water flow sensor mounting seat 612 are stained with water impurities, the flow regulating and controlling column can be disassembled, and the water impurities are cleaned by clear water and/or tools from the extension pipe 611 to the position of the water flow sensor to avoid the water flow sensor from being blocked by, the water flow sensor works normally.

Further, a first water temperature detecting seat 631 extends from a wall surface of the third branch pipe 63, a second water temperature detecting seat 641 extends from the fourth branch pipe 64, through holes communicating with the third branch pipe 33 and the fourth branch pipe 64 are formed at bottoms of the first water temperature detecting seat 631 and the second water temperature detecting seat 641, and temperature detectors are mounted on the first water temperature detecting seat 631 and the second water temperature detecting seat 641 to detect water temperatures.

Furthermore, the mounting plate 53 is sleeved on the outer wall of one end of each of the first branch pipe 61, the second branch pipe 62, the third branch pipe 63, the fourth branch pipe 64 and the fifth branch pipe 65, which is close to the housing, the through hole in the mounting plate 53 is paired with the housing mounting hole 12, so that the housing 4 and the base 5 are fixedly mounted, the first bundling part 531 is arranged at one end of the mounting plate 53, which is close to the first branch pipe 61, the second bundling part 532 is arranged at one end of the mounting plate 53, which is close to the fifth branch pipe 65, and the first bundling part 531 and the second bundling part 532 are used for bundling and fixing a power line, so that the whole inside of the valve component 02 is orderly and attractive.

Further, the base 5, the support plate 51, the branch pipes of the water pipeline, the water mixing valve seat 71, the water replenishing valve seat 81, the first motor mounting seat 76, the second motor mounting seat 86, the water flow sensor mounting seat 612, the first water temperature detecting seat 631, the second water temperature detecting seat 641 and the mounting plate 53 are of an integral injection molding structure.

Further, the valve assembly 02 is fixed in the shower screen 03 and positioned below the liner 01, and a water pipe in the shower screen 03 is also connected with the water separator 9, so that water can flow to water pipes in other rooms.

The scheme of the water heater has the advantages of beautiful forever, small occupied space, compact structure, reasonable assembly and convenient maintenance.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (10)

1. An inner container structure of an electric water heater comprises an inner container cover and an inner container box, wherein the inner container cover and the inner container box form an inner container, a heat exchange coil and an electric heating body are accommodated in the inner container, the inner container is arranged in a shower screen, it is characterized in that the inner container cover and the inner container box are formed by injection molding, a first mounting column is arranged in the inner container box, the inner container cover is provided with a second mounting column, the first mounting column is hermetically connected with the second mounting column, the end part of the side plate of the inner container box is provided with a flanging, a first sealing ring groove and a first mounting seat are arranged on the turnup, a second sealing ring groove and a mounting hole are also arranged on the inner container cover corresponding to the inner container box, the first sealing ring groove is connected with the second sealing ring groove in a sealing way, the first mounting seat is connected with the mounting hole through a fastener, the bottom of the back plate of the inner container box is inwards sunken to form a first concave position and a second concave position through which the avoidance pipeline passes.

2. The liner structure of the electric water heater according to claim 1, wherein the first concave position and the second concave position are symmetrically arranged, the first concave position is used for avoiding a tap water inlet pipeline arranged on a wall, and the second concave position is used for avoiding a hot water outlet pipeline arranged on the wall; the tap water inlet pipeline provides tap water for the electric water heater, and the hot water outlet pipeline is connected with a mixed water outlet end of the water heater.

3. The electric water heater liner structure according to claim 2, wherein one side of the back plate of the liner box is recessed inwards to form a third recessed position and the other side of the back plate of the liner box is recessed inwards to form a fourth recessed position, the back plate of the liner box is further recessed inwards to form a first wall hanging part and a second wall hanging part which are fixed with the wall of the shower screen, the third recessed position is arranged to avoid a top spraying pipeline in the shower screen, the fourth recessed position is arranged to avoid a power line in the shower screen, the third recessed position and the fourth recessed position are symmetrically arranged, the third recessed position and the fourth recessed position are arranged at the upper ends of the first recessed position and the second recessed position, and the widths of the third recessed position and the fourth recessed position are smaller than the widths of the first recessed position and the second recessed position; first wall portion is the same with second wall portion size, and the middle part of first wall portion sets up first heavy chamber, and the both ends of first wall portion set up the installation department, and the sunken degree of depth ratio installation department in first heavy chamber is deep.

4. The liner structure of the electric water heater as claimed in claim 3, wherein the bottom side plate of the liner box is provided with a first through hole, a flange hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, the top side plate of the liner box is provided with a sixth through hole and a mounting seat for fixing the liner at a central position in the shower screen, the first through hole, the flange hole and the second through hole are sequentially arranged on the bottom side plate of the liner box, the third through hole, the fourth through hole and the fifth through hole are arranged at the upper part of the flange hole and are sequentially arranged on the bottom side plate of the liner box, the first through hole is used for a water outlet pipeline of the heat exchange coil to pass through, the electric heating body is fixed on the flange hole, the second through hole is used for a water inlet pipeline of the heat exchange coil to pass through, the third through hole is used for installing an inner container water temperature detector, the fourth through hole is used for installing a sewage discharge pipe, and the fifth through hole is used for installing a liner water replenishing pipeline.

5. The inner container structure of the electric water heater as claimed in claim 4, wherein a coil pipe clamp position for preventing the heat exchange coil pipe from loosening is arranged in the inner container, a ball float valve is arranged on the sixth through hole, and a floating ball blocking part is wound at the upper end of the inner container corresponding to a floating ball of the ball float valve.

6. The liner structure of an electric water heater according to claim 5, wherein the liner cover is provided with a second sinking chamber, a third sinking chamber and a fourth sinking chamber, the second sinking chamber is provided with a top shower, the third sinking chamber is provided with a display screen mounting plate, the display screen mounting plate is provided with a display screen, the fourth sinking chamber is provided with a side shower, the second sinking chamber is arranged at the top end of the liner cover, the third sinking chamber is arranged at the lower end of the second sinking chamber, the fourth sinking chamber is arranged at the lower end of the third sinking chamber, and the liner cover is further provided with a side shower pipeline groove adjacent to the fourth sinking chamber.

7. A water heater, comprising the liner structure of the electric water heater as claimed in claim 6, wherein a valve assembly is disposed below the liner, the valve assembly comprises a housing and a base forming a cavity with the housing, the housing and the base are formed by injection molding, a main pipe is disposed on the base, a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe and a fifth branch pipe are vertically disposed on the main pipe in sequence, the first branch pipe is used for connecting with a tap water inlet pipeline, the second branch pipe is used for connecting with a liner water replenishing pipeline, the third branch pipe is used for connecting with a heat exchange coil water inlet pipeline, the fourth branch pipe is used for connecting with a mixed water outlet pipeline, the fifth branch pipe is used for connecting with a heat exchange coil water outlet pipeline, a through hole is disposed on the housing corresponding to each branch pipe, a mixed water valve seat is disposed at the junction of the fourth branch pipe and the main pipe, and a water replenishing valve seat is disposed at the junction of the second, and the valve seats, the main pipe and the branch pipes are integrally molded.

8. The water heater of claim 7, wherein the first branch pipe, the third branch pipe and the fifth branch pipe are communicated with the main pipe, the first branch pipe is provided with an extension pipe extending to the base at the opposite end of the main pipe, the extension pipe is internally provided with a flow control column in a detachable manner, the adjusting end of the flow control column can reach the opening of the first branch pipe in the main pipe so as to adjust the water flow, the second branch pipe and the fourth branch pipe are not communicated with the main pipe, a partition plate for dividing the heat insulation water path and the cold water path is arranged in the main pipe by taking the fourth branch pipe as a boundary, the bottom of the valve seat of the mixing valve is provided with a first valve hole, a second valve hole and a third valve hole, so that the valve cavity of the mixing valve is communicated with the fourth branch pipe, the hot water path and the cold water path of the main pipe, hot water and cold water are input into the second branch pipe through the mixing valve, and the bottom of the valve seat of, The cold water path of the main pipe is communicated, and cold water is input into the second branch pipe through the water replenishing valve.

9. The water heater according to claim 8, wherein a first motor mounting seat is provided at a junction between the main pipe and the third branch pipe, a second motor mounting seat is provided at a junction between the main pipe and the extension pipe, a water flow sensor mounting seat is provided on an outer wall of the first branch pipe, so that a cavity for accommodating the water flow sensor is provided in the first branch pipe, a reducing pipe section is provided in the first branch pipe, the reducing pipe section intersects with an inner cavity of the water flow sensor mounting seat, a first water temperature detecting seat is provided on the third branch pipe, and a second water temperature detecting seat is provided on the fourth branch pipe.

10. The water heater according to claim 9, wherein the base is an integral injection molding structure with the branch pipes, the mixing valve seat, the water replenishing valve seat, the first motor mounting seat, the second motor mounting seat, the water flow sensor mounting seat, the first water temperature detecting seat and the second water temperature detecting seat, the valve assembly is fixed in the shower screen, and a water separator is further arranged in the shower screen.

Images