CN213066569U

CN213066569U - Water inlet and outlet device and water heater

Info

Publication number: CN213066569U
Application number: CN202021259058.5U
Authority: CN
Inventors: 卢淑霞; 王明
Original assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-27
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a business turn over water installation and water heater, wherein, business turn over water installation, include: the water mixing valve comprises a base, a water outlet pipe and a water mixing valve core, wherein the base forms a water inlet connecting pipe and a water outlet connecting pipe, the water inlet connecting pipe is suitable for communicating an inner container and an external water supply pipeline to supply water for the inner container, a valve cavity is formed in the base, and the valve cavity is provided with a first through hole communicated with the water inlet connecting pipe; one end of the water outlet pipe extends into the base, the valve cavity is also provided with a second through hole communicated with the water outlet pipe, and the other end of the water outlet pipe is communicated with the inner container; the water mixing valve core is rotatably installed in the valve cavity, a water mixing cavity communicated with the water outlet connecting pipe is formed inside the water mixing valve core, a water mixing valve port communicated with the water mixing cavity is formed in the water mixing valve core, and the water mixing valve core rotates to enable the water mixing valve port to be respectively changed with the overlapping area of the first through hole and/or the second through hole. The utility model discloses technical scheme's business turn over water installation can adjust the leaving water temperature, has and prevents leaking effectual characteristics.

Description

Water inlet and outlet device and water heater

Technical Field

The utility model relates to a water heater field, in particular to business turn over water installation and water heater.

Background

A mixing valve is a valve body for mixing and outputting a plurality of water flows, and is generally used as a single component. For example, the water inlet and outlet device is arranged on the water inlet and outlet device to adjust the outlet water temperature of the water inlet and outlet device. The water mixing valve is usually connected by a thread and a sealing ring, and has the defect of water leakage easily caused by poor installation.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a business turn over water installation aims at promoting the leak protection performance of business turn over water installation that can adjust the temperature.

In order to achieve the above object, the utility model provides a business turn over water installation, include:

the water supply device comprises a base, a water inlet connecting pipe and a water outlet connecting pipe, wherein the water inlet connecting pipe is suitable for communicating an inner container with an external water supply pipeline to supply water for the inner container;

one end of the water outlet pipe extends into the base, the valve cavity is further provided with a second through hole communicated with the water outlet pipe, and the other end of the water outlet pipe is communicated with the inner container; and the number of the first and second groups,

the water mixing valve core is rotatably arranged in the valve cavity, a water mixing cavity communicated with the water outlet connecting pipe is formed inside the water mixing valve core, a water mixing valve port communicated with the water mixing cavity is arranged on the water mixing valve core, and the water mixing valve core rotates to enable the water mixing valve port to be respectively changed with the overlapping area of the first through hole and/or the second through hole.

Optionally, the outer surface of the mixing valve core is further provided with a water outlet valve port communicated with the water mixing cavity, and the water outlet valve port is communicated with the water outlet connecting pipe.

Optionally, the water mixing valve core is provided with an adjusting rod extending out of the base, and the water inlet and outlet device further comprises a knob connected with the adjusting rod, so that the knob can drive the water mixing valve core to rotate.

Optionally, the mixing valve element has: the water mixing valve port is communicated with the first through hole and staggered with the cold water station of the second through hole;

the water mixing station is communicated with the first through hole and the second through hole through the water mixing valve port;

the water mixing valve port is communicated with the second through hole and staggered with the hot water station of the first through hole; and the number of the first and second groups,

the mixing valve port staggers the closing stations of the first port and the second port.

Optionally, the outer surface of the water mixing valve element is convexly provided with a positioning pin, the water inlet and outlet device further comprises a positioning plate connected with the base, the valve element is sleeved with the positioning plate, a first positioning protrusion and/or a second positioning protrusion are/is arranged on the surface, close to the positioning pin, of the positioning plate, and the first positioning protrusion and the second positioning protrusion are used for abutting against the positioning pin so as to prevent the water mixing valve element from rotating excessively.

Optionally, the water inlet and outlet device further comprises a water inlet module, the water outlet pipe is sleeved with the water inlet module, the water inlet module is connected with the base to be communicated with the water inlet connecting pipe, and the water inlet module is suitable for being communicated with the liner to supply water to the liner;

or, the water inlet and outlet device further comprises:

one end of the water inlet pipe penetrates into the base, the water inlet pipe is communicated with the water inlet connecting pipe, and the water inlet pipe is suitable for being communicated with the inner container to convey water to the inner container;

the base is provided with a joint which is used for connecting the inner container, and the water outlet pipe and the water inlet pipe are both positioned at the joint;

or a first flow channel and a second flow channel which are mutually isolated are formed in the water outlet pipe, the first flow channel is communicated with the water inlet connecting pipe, the second flow channel is connected with the water outlet connecting pipe, and the water delivery pipe is used for being communicated with the inner container.

Optionally, the base comprises:

the base body is provided with the water inlet connecting pipe and the water outlet connecting pipe;

the flow guide piece is embedded in the base body and is provided with the valve cavity, the first through hole, the second through hole, a third through hole and a mixed water outlet, wherein,

the third port is communicated with the first port and the water inlet module;

the water mixing outlet is communicated with the water mixing cavity and the water outlet connecting pipe.

Optionally, the flow guide part is a metal flow guide part, and the water mixing valve core is a metal valve core.

Optionally, the base forms a mounting groove communicated with the third port; the module of intaking is including installing in the subassembly of intaking in the mounting groove, the subassembly of intaking forms the water inlet channel of buckling, with through the water inlet channel intercommunication the inner bag with the takeover of intaking.

Optionally, the subassembly of intaking includes into water core and intake apron, the core setting of intaking is in the mounting groove, intake apron lid is located the outer end of intaking core, intake apron intake core with the cooperation forms between the diapire of mounting groove the runner of intaking.

Optionally, the water inlet core comprises an inner cylinder for the water outlet pipe to penetrate through and an outer cylinder sleeved with the inner cylinder, the water inlet flow channel is formed between the inner cylinder and the outer cylinder, and the water inlet flow channel is arranged around the inner cylinder in a roundabout manner.

Optionally, a plurality of partition plates are formed between the outer cylinder and the inner cylinder and are arranged at intervals along the circumferential direction of the inner cylinder, the partition plates are hermetically connected with the inner cylinder and the outer cylinder, and each partition plate comprises an upper partition plate hermetically connected with the water inlet cover plate and a lower partition plate hermetically connected with the bottom wall of the mounting groove;

go up the baffle with the baffle is crisscross to be set up down to form along the circuitous from top to bottom the runner of intaking, it is equipped with the intercommunication to intake the apron the runner export of runner of intaking, the export setting of the takeover of intaking is in the diapire of mounting groove, so that intake take over with the runner intercommunication of intaking.

Optionally, the module of intaking still include the cover in the play water subassembly of mounting groove notch, it includes the play water cap to go out the water subassembly, it has a cap section of thick bamboo and connects to go out the water cap the choked flow filter screen of a cap section of thick bamboo, a cap section of thick bamboo with the runner intercommunication of intaking, the mesh intercommunication of choked flow filter screen the inner space and the exterior space of a cap section of thick bamboo.

Optionally, the cap of giving out water still has the water conservancy diversion brim of a hat, the water conservancy diversion brim of a hat certainly the roof of cap is downward towards keeping away from the direction slope setting of cap, the cap with form the delivery port between the water conservancy diversion brim of a hat, the delivery port is from the top down and is the flaring form setting, the delivery port is used for the intercommunication the cap with the inner bag.

Optionally, the water inlet and outlet device further comprises:

the temperature sensor is arranged on the water outlet connecting pipe; and the number of the first and second groups,

and the display is electrically connected with the temperature sensor.

Optionally, the base is further formed with a mounting pipe communicated with the water inlet connecting pipe;

the water inlet and outlet device also comprises a pressure relief valve core arranged on the installation pipe.

Optionally, the water inlet and outlet device further comprises:

the first filter element is arranged between the pressure relief valve core and the outlet of the water inlet connecting pipe; and/or the presence of a gas in the gas,

and the second filter element is arranged at the inlet of the water inlet connecting pipe.

Optionally, the water inlet and outlet device further comprises a sterilization assembly, and the sterilization assembly is installed in the water outlet pipe.

Optionally, the sterilization assembly comprises an ultraviolet lamp and a water flow sensor for detecting a water flow signal in the water outlet connection pipe;

the water inlet and outlet device further comprises a control module, and the control module is connected with the water flow sensor and the ultraviolet lamp.

The utility model discloses still provide a water heater, the water heater includes:

the inner container is provided with a mounting opening;

the water inlet and outlet device is arranged on the mounting port, and the water inlet connecting pipe and the water outlet connecting pipe are communicated with the inner container.

Optionally, the water inlet and outlet device is connected with the inner container through a flange piece; or,

the water inlet and outlet device is in threaded connection with the inner container; or,

the water inlet and outlet device is connected with the inner container in a buckling mode.

According to the technical scheme, the water inlet connecting pipe, the water outlet connecting pipe and the valve cavity are constructed through the base, the water mixing valve element is installed on the valve cavity, the base serves as the shell of the water mixing valve element, the shell of the water mixing valve element is not required to be connected with the water inlet connecting pipe and the water outlet connecting pipe in an installing mode, the assembling steps of the whole water inlet and outlet device can be reduced, the assembling efficiency of the water inlet and outlet device is improved, and the leakage risk caused by poor installation of the water mixing valve can be effectively avoided. On the other hand, the change of the aperture of first opening and/or second opening can be realized through rotating to the muddy water valve core to realize temperature regulation, can realize the stepless regulation and control of temperature, conveniently adjust to predetermined temperature in the user. Moreover, because the water mixing cavity is arranged inside the water mixing valve core, and the water mixing valve core is arranged inside the base, the anti-leakage effect of the water mixing cavity can be effectively improved, and the risk of water leakage of the water inlet and outlet device is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the water heater of FIG. 1;

FIG. 3 is an exploded view of the water inlet and outlet device of the water heater of FIG. 1;

FIG. 4 is a schematic structural view of a base body of the water inlet and outlet device of FIG. 3;

FIG. 5 is a schematic structural view of a flow guide member of the water inlet and outlet device in FIG. 3;

FIG. 6 is a schematic structural diagram of a positioning plate of the water inlet and outlet device in FIG. 3;

fig. 7 is a structural schematic diagram of a water mixing valve core of the water inlet and outlet device in fig. 3;

FIG. 8 is a schematic view of a partial structure of a water inlet and outlet device of the water heater of FIG. 1;

FIG. 9 is a schematic structural view of a water inlet core of the water inlet and outlet device in FIG. 3;

FIG. 10 is a schematic view of a portion of the structure of the inlet core of FIG. 9;

FIG. 11 is a cross-sectional view of the water inlet wick of FIG. 9 taken along the axial direction thereof;

FIG. 12 is a schematic view of a first perspective structure of the water outlet cap of the water inlet and outlet device shown in FIG. 3;

FIG. 13 is a schematic view of a second perspective structure of the water outlet cap of the water inlet and outlet device shown in FIG. 3;

FIG. 14 is a schematic structural view of a spinning cap of the water inlet and outlet device of FIG. 3;

fig. 15 is a schematic partial structural view of another embodiment of the water heater of the present invention;

FIG. 16 is a schematic structural view of a water inlet and outlet device of the water heater of FIG. 15;

FIG. 17 is a schematic view of the base body of the water inlet and outlet device of FIG. 16;

FIGS. 18-A to 18-C show three design shapes of the overall appearance of the water inlet and outlet device in FIG. 3;

fig. 19-a to 19-C are schematic views of three arrangements of water inlet and outlet channels of the water inlet and outlet device of fig. 3.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a business turn over water installation.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the water inlet and outlet device 200 includes: the water mixing valve comprises a base 300, a water outlet pipe 400 and a water mixing valve core 900, wherein the base 300 forms a water inlet connecting pipe 310 and a water outlet connecting pipe 320, the water inlet connecting pipe 310 is suitable for communicating an inner container 110 with an external water supply pipeline to supply water to the inner container 110, a valve cavity 964 is further formed inside the base 300, and the valve cavity 964 is provided with a first through hole 961 communicated with the water inlet connecting pipe 310; one end of the water outlet pipe 400 extends into the base 300, the valve cavity 964 is further provided with a second through hole 962 communicated with the water outlet pipe 400, and the other end of the water outlet pipe 400 is used for being communicated with the inner container 110; the mixing valve element 900 is rotatably mounted in the valve cavity 964, a mixing cavity 910 communicated with the water outlet connection pipe 320 is formed inside the mixing valve element 900, the mixing valve element 900 is provided with a mixing valve port 911 communicated with the mixing cavity 910, and the mixing valve element 900 rotates to change the overlapping area of the mixing valve port 911 and the first through hole 961 and/or the second through hole 962. After the water inlet and outlet device 200 is installed, cold water enters the mixing cavity 910 of the mixing valve element 900 from the water inlet connection pipe 310 through the first port 961, hot water enters the mixing cavity 910 of the mixing valve element 900 from the inner container 110 through the water outlet pipe 400 and the second port 962, and the cold water and the hot water can be mixed in the mixing valve element 900 and then flow out through the water outlet connection pipe 320.

When the water temperature needs to be adjusted through the water inlet and outlet device 200, the mixer valve core 900 is rotated, so that the overlapping area of the mixer valve port 911 and the first through hole 961 and/or the second through hole 962 is changed, the flux ratio of the first through hole 961 and the second through hole 962 is changed, the ratio of hot water and cold water entering the water mixing cavity 910 is changed, and the water temperature in the water mixing cavity 910 is changed, so that the water temperature is adjusted. It should be noted that the mixing valve element 900 is adapted to the valve cavity 964, an overlapping area of the mixing valve port 911 and the first through hole 961 in the mixing valve element 900 is a water inlet area of the first through hole 961, and an overlapping area of the mixing valve port 911 and the second through hole 962 is a water inlet area of the second through hole 962.

In the technical scheme of the embodiment, the water inlet connecting pipe 310, the water outlet connecting pipe 320 and the valve cavity 964 are constructed by the base 300, the water mixing valve element 900 is installed on the valve cavity 964, and the base 300 serves as a shell of the water mixing valve element 900, so that the shell of the water mixing valve element 900 is not required to be connected with the water inlet connecting pipe 310 and the water outlet connecting pipe 320 in an installation mode, the assembling steps of the whole water inlet and outlet device 200 can be reduced, the assembling efficiency of the water inlet and outlet device 200 is improved, and the leakage risk caused by poor installation of the water mixing valve can be effectively avoided. On the other hand, the mixing valve core 900 can change the opening degree of the first through hole 961 and/or the second through hole 962 through rotation, so that temperature adjustment is realized, stepless temperature regulation can be realized, and a user can conveniently adjust the temperature to a preset temperature. Moreover, since the water mixing cavity 910 is disposed inside the water mixing valve element 900, and the water mixing valve element 900 is disposed inside the base 300, the leakage-proof effect of the water mixing cavity 910 can be effectively improved, and the risk of water leakage of the water inlet and outlet device 200 can be reduced.

Further, in this embodiment, as shown in fig. 5 and 7, the outer surface of the mixing valve core 900 further has a water outlet valve port 912 communicating with the water mixing chamber 910, and the water outlet valve port 912 communicates with the water outlet connection pipe 320. It should be noted that when the mixing valve core 900 rotates, the water outlet valve port 912 is always communicated with the water outlet connection pipe 320. After being mixed in the water mixing chamber 910, the water can flow out of the water mixing chamber 910 through the water outlet valve port 912 and then enter the water outlet connection pipe 320 to be communicated with an external waterway system. Of course, in other embodiments, the outlet valve port may be staggered from the outlet connection pipe when the mixer valve element closes the first port and the second port, and the outlet valve port may be communicated with the outlet connection pipe when the mixer valve element opens the first port and/or the second port.

Further, in this embodiment, as shown in fig. 3 and 7, the mixing valve core 900 has an adjusting rod 920 extending out of the base 300, and the water inlet and outlet device 200 further includes a knob 930 connected to the adjusting rod 920, so that the knob 930 can drive the mixing valve core 900 to rotate. When a user rotates the knob 930, the knob 930 drives the mixing valve core 900 to rotate, so as to change the overlapping area of the mixing valve port 911 and the first through port 961 and/or the second through port 962, so that the ratio of the amount of hot water to the amount of cold water entering the water mixing chamber 910 is changed, and the outlet water temperature is adjusted. The user can realize the inorganic regulation and control of the temperature by rotating the knob 930, and the temperature regulation and control device has the characteristic of convenience in temperature regulation and control.

Further, in this embodiment, the mixing valve core 900 includes: the mixing valve port 911 is communicated with the first through hole 961, and the mixing valve port 911 is staggered with a cold water station of the second through hole 962; a mixing station where the mixing valve port 911 is communicated with the first port 961 and the second port 962; the water mixing valve port 911 is communicated with the second through hole 962, and the water mixing valve port 911 is staggered with the hot water station of the first through hole 961; and the mixing valve port 911 is staggered from the closing positions of the first port 961 and the second port 962. That is, in the cold water station, the outlet pipe 320 only circulates the cold water provided by the inlet pipe 310, and the second port 962 is closed by the outer surface of the mixing valve element 900, so that the hot water in the inner container 110 cannot enter the mixing valve element 900. In the water mixing station, the water mixing valve port 911 is at least partially communicated with the first through hole 961 and the second through hole 962, so that the water inlet connecting pipe 310 injects water into the water mixing chamber 910 through the first through hole 961, and the water outlet pipe 400 injects water into the water mixing chamber 910 through the second through hole 962. Since the first and

second ports

961, 962 and the mixing valve port 911 are arranged along the circumferential direction of the mixer valve cartridge 900, when the mixer valve cartridge 900 is rotated, the relative positions of the mixing valve port 911 and the first port 961 and the relative positions of the mixing valve port 911 and the second port 962 can be changed, and thus the flux of the first and

second ports

961, 962 can be changed. In a hot water station, the mixing valve port 911 is communicated with the second through hole 962, hot water in the inner container 110 can enter the water mixing chamber 910 through the second through hole 962, the first through hole 961 is covered by the outer surface of the mixing valve core 900, and cold water in the water inlet connecting pipe 310 cannot enter the water mixing chamber 910. In the closed position, the mixing valve port 911 is completely offset from the first and

second ports

961, 962, and the surface of the mixing valve cartridge 900 covers the first and

second ports

961, 962.

More specifically, as shown in fig. 5, when the second through hole 962 is located on the upper wall surface of the valve cavity 964 and the first through hole 961 is located on the right side wall surface of the valve cavity 964, the valve core can be sequentially changed from the hot water station to the mixing station, then to the cold water station, and then to the closing station. Of course, the water inlet and outlet device 200 of this embodiment is not limited to the above technical solution, and in other embodiments, the first port may be located on an upper wall surface of the valve cavity, and the second port may be located on a right side wall surface of the valve cavity; alternatively, the first port is located on the upper wall surface of the valve chamber, the second port is located on the seat-side wall surface of the valve chamber, and so on.

Further, in this embodiment, as shown in fig. 3, 6, and 7, a positioning pin 940 is convexly disposed on an outer surface of the water mixing valve element 900, the water inlet and outlet device 200 further includes a positioning plate 950 connected to the base 300, the valve element is sleeved on the positioning plate 950, a first positioning protrusion 951 and a second positioning protrusion 952 are disposed on a plate surface of the positioning plate 950, which is close to the positioning pin 940, and both the first positioning protrusion 951 and the second positioning protrusion 952 are used for abutting against the positioning pin 940 to prevent the water mixing valve element 900 from rotating excessively. The positioning pin 940 can rotate between the first positioning protrusion 951 and the second positioning protrusion 952. Specifically, when the positioning pin 940 abuts against the first positioning protrusion 951, the water mixing valve core 900 is located at the hot water station, the water mixing valve core 900 rotates to drive the positioning pin 940 to rotate towards the second positioning protrusion 952, the water mixing valve core 900 sequentially rotates to the water mixing station and the cold water station, and when the positioning pin 940 abuts against the second positioning protrusion 952, the water mixing valve is located at the closed station. It should be noted that, the water inlet and outlet device 200 of this embodiment is not limited to the above technical solution, and in other embodiments, a first positioning protrusion or a second positioning protrusion may be disposed on a surface of the positioning plate close to the positioning pin, and both the first positioning protrusion and the second positioning protrusion are used for abutting against the positioning pin to prevent the water mixing valve core from rotating excessively, so that the water mixing valve core can be effectively protected.

Further, in this embodiment, as shown in fig. 2 and fig. 18A, the water inlet and outlet device 200 further includes: the water inlet module 500 is sleeved on the water outlet pipe 400, the water inlet module 500 is connected with the base 300 to communicate with the water inlet connection pipe 310, and the water inlet module 500 is suitable for communicating with the inner container 110 to supply water to the inner container 110. The water flow sequentially enters the inner container 110 through the water inlet connection pipe 310 and the water inlet module 500, and the water in the inner container 110 sequentially passes through the water outlet pipe 400, the water mixing cavity 910 and the water outlet connection pipe 320 to be output. The water inlet module 500 is sleeved with the water outlet pipe 400, so that when the water inlet and outlet device 200 is installed, only one installation port is needed to realize the water inlet module 500 and the water outlet pipe 400 are communicated with the inner container 110, not only is the water inlet and outlet device 200 installation steps reduced, the convenience and efficiency of the installation amount of the water inlet and outlet device 200 are improved, but also the number of the installation ports on the inner container 110 can be effectively reduced, and the leakage probability caused by poor connection at the installation ports is reduced.

It should be noted that, as shown in fig. 18B, the water inlet and outlet device 200 of this embodiment is not limited to the above technical solution, and in other embodiments, one end of the water outlet pipe 400 penetrates into the base 300, the water outlet pipe 400 is communicated with the water outlet connection pipe 320, and the water outlet pipe 400 is adapted to be communicated with the inner container 110 to output water in the inner container 110; and one end of the water inlet pipe 800 penetrates into the base 300, the water inlet pipe 800 is communicated with the water inlet connecting pipe 310, and the water inlet pipe 800 is suitable for being communicated with the inner container 110 to convey water to the inner container 110. The water flow sequentially enters the inner container 110 through the water inlet connection pipe 310 and the water inlet pipe 800, and the water in the inner container 110 sequentially exits through the water outlet pipe 400 and the water outlet connection pipe 320. The base 300 is formed with a joint for connecting the inner container 110, and the water outlet pipe 400 and the water inlet pipe 800 are both located at the joint; because the water inlet pipe 800 and the water outlet pipe 400 are both arranged on the same base 300, only one mounting port is needed to realize that the water inlet pipe 800 and the water outlet pipe 400 are both communicated with the inner container 110, which is not only beneficial to reducing the steps of mounting the water inlet and outlet device 200, improving the convenience and efficiency of the mounting amount of the water inlet and outlet device 200, but also effectively reducing the number of the mounting ports on the inner container 110, thereby reducing the probability of leakage caused by poor connection at the mounting ports.

In other embodiments of the water inlet and outlet device 200 according to this embodiment, as shown in fig. 18C, a first flow passage 810 and a second flow passage 820 that are isolated from each other may be formed in the water outlet pipe 400, the first flow passage 810 is communicated with the water inlet connection pipe 310, the second flow passage 820 is connected to the water outlet connection pipe 320, and the water pipe is used for communicating with the inner container 110. The water inlet and outlet of the inner container 110 are realized by arranging the first flow passage 810 and the second flow passage 820 in the same pipe. Because the first flow channel 810 and the second flow channel 820 are located in the same pipeline, the inner container 110 can be provided with the water inlet and outlet device 200 through one mounting port, which is not only beneficial to reducing the steps of mounting the water inlet and outlet device 200, improving the convenience and efficiency of the mounting amount of the water inlet and outlet device 200, but also effectively reducing the number of the mounting ports on the inner container 110, thereby reducing the probability of leakage caused by poor connection at the mounting ports.

Further, in the present embodiment, as shown in fig. 4 and 5, the base 300 includes: a base body 970 and a flow guide 960, wherein the base body 970 is formed with the water inlet connection pipe 310 and the water outlet connection pipe 320; the flow guide 960 is embedded in the base body 970, and the flow guide 960 is formed with the valve cavity 964, the first through opening 961, the second through opening 962, a third through opening 963 and a mixed water outlet, wherein the third through opening 963 is communicated with the first through opening 961 and the water inlet module 500; the water mixing outlet is communicated with the water mixing cavity 910 and the water outlet connecting pipe 320. Since the flow channel in the base 300 is complicated, the base 300 is difficult to mold and process. The base body 970 and the flow guide piece 960 can be respectively molded in the embodiment, and then the flow guide piece 960 is installed in the base body 970, so that the base 300 is manufactured, a complex flow channel in the base 300 is divided into two parts, and the processing difficulty of the base 300 is effectively reduced. The first through hole 961 has one end adjacent to the valve cavity 964 and the other end adjacent to the water inlet connection pipe 310, and the third through hole 963 allows the water inlet connection pipe 310 to be communicated with the water inlet module 500 through the third through hole 963 even if the first through hole 961 is closed by the mixing valve core 900, so that the water inlet connection pipe 310 can continuously supply water to the inner container 110. When it needs to be noted, the connection mode between the base body 970 and the flow guide element 960 may specifically be bonding, or secondary injection molding, or snap connection, or connection through a screw connector, etc.

Further, in this embodiment, the flow guiding element 960 is a metal flow guiding element 960, and the mixing valve core 900 is a metal valve core. Because the existing water mixing valve is generally a ceramic chip valve core, when the cleanliness of a pipeline is not high, sand grains or impurities enter the valve core, and the phenomena of cold and hot water leakage or water shut-off caused by the blockage of the valve core are easily caused. In this embodiment, the metal flow guide member 960 is adopted to cooperate with the metallic water mixing valve core 900, so that the processing precision is high, the cooperation precision is good, and the opening and closing are realized by the integral rotation of the water mixing valve core 900, so that the blocking of impurities or sand particles is not easy to happen, and the water mixing valve core has the characteristics of high reliability and stability.

Further, in the present embodiment, as shown in fig. 2 to 4 and 9, the base 300 forms a mounting groove 340 communicating with the third port 963; the water inlet module 500 comprises a water inlet component 501 installed in the installation groove 340, wherein the water inlet component 501 forms a bent water inlet channel 518 so as to communicate the inner container 110 and the water inlet connecting pipe 310 through the water inlet channel 518. Because the water purification runner is bent, the length of the water inlet runner 518 can be prolonged by bending, the water flow resistance is improved, and the leakage current is reduced, so that the electricity prevention effect is realized.

Further, in this embodiment, as shown in fig. 3, 10 and 11, the water inlet assembly 501 includes a water inlet core 510 and a water inlet cover plate 520, the water inlet core 510 is disposed in the mounting groove 340, the water inlet cover plate 520 covers an outer end of the water inlet core 510, and the water inlet flow channel 518 is formed between the water inlet cover plate 520, the water inlet core 510 and a bottom wall of the mounting groove 340 in a matching manner. In addition, the water inlet cover plate 520 is hermetically connected to the water inlet core 510, the water inlet core 510 is also hermetically connected to the bottom wall of the mounting groove 340, and the water inlet flow passage 518 is formed in the water inlet core 510.

Further, in this embodiment, as shown in fig. 9 to 11, the water inlet core 510 includes an inner cylinder 511 through which the water outlet pipe 400 passes, and an outer cylinder 512 which is sleeved on the inner cylinder 511, the water inlet flow passage 518 is formed between the inner cylinder 511 and the outer cylinder 512, and the water inlet flow passage 518 is arranged to detour around the inner cylinder 511. The inlet channel 518 is the annular and centers on the inner tube 511 sets up, is favorable to the extension the length of inlet channel 518, on the other hand, the circuitous setting of inlet channel 518 is favorable to further extension the length of inlet channel 518, thereby promote inlet channel 518 water flow resistance reduces leakage current, thereby realizes preventing the electric effect. It should be noted that the water inlet flow channel 518 in this embodiment is not limited to be arranged in a winding manner, and in other implementations, the water inlet flow channel may be arranged in a spiral manner, and the length of the water inlet flow channel can also be increased, so that the water flow resistance of the water inlet flow channel is increased, and the leakage current is reduced; and the water inlet channel is arranged in a labyrinth shape, so that the length of the water inlet channel can be effectively prolonged, the water flow resistance of the water inlet channel is improved, and the leakage current is reduced.

Further, in the present embodiment, as shown in fig. 9 to 11, a plurality of partition plates 513 are formed between the outer cylinder 512 and the inner cylinder 511, and are arranged at intervals along the circumferential direction of the inner cylinder 511, the partition plates 513 are connected with the inner cylinder 511 and the outer cylinder 512 in a sealing manner, and the partition plates 513 include an upper partition plate 514 connected with the water inlet cover plate 520 in a sealing manner, and a lower partition plate 515 connected with the bottom wall of the installation groove 340 in a sealing manner; the upper partition plates 514 and the lower partition plates 515 are alternately arranged to form the water inlet channel 518 which is roundabout in the up-down direction, the water inlet cover plate 520 is provided with a channel outlet communicated with the water inlet channel 518, and the outlet of the water inlet connection pipe 310 is arranged on the bottom wall of the installation groove 340, so that the water inlet connection pipe 310 is communicated with the water inlet channel 518. Go up the baffle 514 with leave the clearance between the diapire of mounting groove 340, down baffle 515 with leave the clearance between the apron 520 of intaking, can understand, during the water inlet channel 518 was intake, follow the export of inlet tube 800 enters into water inlet channel 518, then upwards flows, through down baffle 515 with the clearance between the apron 520 of intaking is walked around baffle 515 down, then downwards flows, again through last baffle 514 with the interval between the mounting groove 340 diapire is walked around last baffle 514, arrives behind a plurality of baffles 513 in proper order the runner export then flows out, has the runner length of water inlet channel 518 big, the effectual characteristics of anticreep.

Further, in the present embodiment, as shown in fig. 3, it is considered that if a gap is formed between the upper end surface of the water inlet core 510 and the water inlet cover plate 520, water in two cavities adjacent to the partition plate may be caused to jump up from the gap, which may cause the length of the water inlet flow passage 518 to be reduced, and further, the resistance value of the water inlet flow passage 518 to be reduced, which is not favorable for preventing electrical leakage. Therefore, in order to avoid this situation, the water inlet assembly 501 further comprises a first sealing ring 530, and the first sealing ring 530 is disposed between the water inlet core 510 and the water inlet cover plate 520; the upper end surfaces of the inner cylinder 511, the outer cylinder 512 and the upper partition 514 of the water inlet core 510 are concavely provided with first seal grooves 516 which are communicated with each other, and the first seal ring 530 is fittingly fitted into the first seal groove 516 to seal a gap between the upper end surface of the water inlet core 510 and the water inlet cover plate 520, so that water is difficult to leak from the gap between the upper end surface of the water inlet core 510 and the water inlet cover plate 520.

In addition, in order to avoid water channeling in the gap between the lower end surface of the water inlet core 510 and the bottom wall of the mounting interface 330, the water inlet assembly 501 further includes a second sealing ring 540, and the second sealing ring 540 is disposed between the water inlet core 510 and the bottom wall of the mounting interface 330; the lower end surfaces of the inner cylinder 511, the outer cylinder 512 and the lower partition 515 of the water inlet core 510 are concavely provided with second seal grooves 517 which are communicated with each other, and the second seal ring 540 is fittingly embedded in the second seal groove 517 to seal a gap between the lower end surface of the water inlet core 510 and the water inlet cover plate 520, so that water is difficult to leak from the gap between the lower end surface of the water inlet core 510 and the bottom wall of the mounting interface 330.

Further, in this embodiment, as shown in fig. 3, 12 and 13, the water outlet assembly 502 includes a water outlet cap 550, the water outlet cap 550 has a cap barrel 551 and a flow guiding brim 552 extending from a top wall of the cap barrel 551 towards a side direction, wherein a lower end of the cap barrel 551 is communicated with the water inlet flow passage 518 of the water inlet assembly 501, the side wall of the cap barrel 551 and the flow guiding brim 552 form the water outlet 554 (see fig. 10 and 11), and a through hole 556 communicated with the water outlet 554 is penetrated through the side wall of the cap barrel 551.

Specifically, water flowing out of the water inlet flow passage 518 of the water inlet assembly 501 enters the cap barrel 551 of the water outlet cap 550, and the cross-sectional area of the water flow is increased from small to large, so that the impact force of the water flow is effectively reduced, and the flow speed is reduced; then, the water in the cap cylinder 551 continuously flows upwards to the top of the cap cylinder 551, flows out of the through hole 556 of the cap cylinder 551 to the water outlet 554 between the side wall of the cap cylinder 551 and the diversion cap peak 552, and finally flows out of the water outlet 554. The water flowing out of the water outlet 554 is blocked by the flow guiding brim 552, and cannot directly flow to the top of the inner container 110, but is guided by the flow guiding brim 552 to flow to the bottom of the inner container 110, and gradually flows to the top of the inner container 110, so that the water flow speed becomes slow and orderly, the impact of cold water on hot water in the inner container is reduced, the hot water layer of the inner container 110 is influenced, the stable output of the hot water by the water outlet pipe 400 is ensured, and the hot water output rate is effectively improved.

Referring to fig. 2, 12 and 13, the guiding brim 552 may extend horizontally or obliquely. Here, in order to guide the water at the water outlet 554 to flow toward the bottom of the inner container 110, the guide visor 552 is disposed to be inclined downward from the top wall of the cap cylinder 551 toward a direction away from the cap cylinder 551, so that the water outlet 554 is disposed to be gradually enlarged from top to bottom. Therefore, the water outlet speed can be slowed down, the outlet water can be guided to the bottom of the inner container 110, the water temperature of the upper layer of the inner container 110 is not influenced, and the hot water output rate of the water heater 100 is effectively improved.

In this embodiment, the exit assembly 502 further includes a choke screen 555, the choke screen 555 being disposed within the cap barrel 551, the choke screen 555 having a plurality of mesh openings. The water flow passes through the flow blocking filter screen 555 in the cap cylinder 551 of the water outlet cap 550 and then enters the water outlet 554 between the side wall of the cap cylinder 551 and the flow guiding cap peak 552, so that the impact of the water flow can be further reduced, the flow rate of the water flow is further reduced, and meanwhile, the water flow orderly flows to the outer flow guiding cap peak 552.

Referring to fig. 3 and 14, in order to facilitate the connection between the water outlet assembly 502 and the water inlet assembly 501, the water outlet assembly 502 further includes a spinning cap 570, the spinning cap 570 includes a first sleeve portion 571 and a second sleeve portion 572 having a smaller cross section than the first sleeve portion 571, wherein the first sleeve portion 571 is sleeved on the mounting interface 330, and the second sleeve portion 572 is sleeved on the cap tube 551 of the water outlet cap 550. The first sleeve 571 and the mounting interface 330 may be fixed by a screw or a snap structure, and herein, is specifically a screw.

Similarly, the second sleeve portion 572 of the spin cap 570 and the cap tube 551 of the water outlet cap 550 can be fixed by a screw connection or a snap connection. The clamping structure is particularly adopted for connection and fixation. Optionally, the lower end of the cap barrel 551 is configured with a plurality of elastic buckles 553, and the plurality of elastic buckles 553 are arranged at intervals along the circumference of the cap barrel 551; the inner wall of the second receiving portion 572 is provided with a plurality of fastening positions 573, and the plurality of fastening positions 573 are respectively fastened with the plurality of elastic buckles 553.

Further, in order to improve the anti-leakage function of the water inlet and outlet device 200, one or more of the base 300, the water inlet module 500 and the water outlet pipe 400 of the water inlet and outlet device 200 may be a plastic member, which improves the insulating property of the water inlet and outlet device 200, thereby enhancing the anti-leakage function of the water inlet and outlet device 200.

Specifically, the overall appearance of the water inlet and outlet device 200 may be an inverted T-shape, or an L-shape or 1-shape (as shown in FIGS. 19-A to 19-C). The water inlet connection pipe 310 of the water inlet and outlet device 200 is used for connecting an external water supply pipeline and serves as a cold water flow passage for supplying cold water to the inner container 110; the outlet pipe 320 of the water inlet and outlet device 200 is used for connecting an external water pipeline and serves as a hot water flow passage for supplying hot water to a user. The external water pipeline can be a bathing water pipeline, a drinking water pipeline, a kitchen water pipeline and other user-used terminals. The external water supply line or the external water supply line may be installed downward, may be installed hidden toward the rear, and may be installed left and right.

Further, in this embodiment, as shown in fig. 1 to 3, the water inlet and outlet device 200 further includes: the temperature sensor 730 and the display 740, the temperature sensor 730 is arranged on the water outlet connecting pipe 320, and the temperature sensor 730 is used for detecting the temperature of water in the water outlet pipe 400; the display 740 is electrically connected with the temperature sensor 730, the water temperature in the water outlet pipe 400 can be displayed on the display 740, so that a user can conveniently and visually read the water temperature, and then the user can further adjust the temperature through the knob 930 according to the water temperature until the water temperature is adjusted to the ideal temperature of the user, so that the temperature control device has the advantages of being more convenient and more accurate in temperature control.

Further, in this embodiment, as shown in fig. 3 and 8, the water inlet and outlet apparatus 200 further includes a sterilization assembly 760, and the sterilization assembly 760 is installed in the water outlet connection tube 320. In the electric water heater 100 industry, parts using antibacterial materials are commonly used to inhibit the growth of bacteria in the hot water in the liner. However, when the water heater 100 is not used for a long time or is in a low temperature state for a long time, the total number of hot water bacteria in the liner will increase, and the hot water used at this time will affect the skin health of the human body. The inner bag 110's is capacious, and antibacterial material is in the bacteriostatic scope to water is wide in the inner bag 110, but the effect is relatively poor, and in this scheme with the subassembly 760 setting of disinfecting in the play water takeover 320, the water capacity in the play water takeover 320 is little, kills through the subassembly 760 that disinfects the water in the play water takeover 320 and removes, has the more abundant advantage of disinfection of disinfecting, and its bactericidal effect is better.

Further, the sterilization assembly 760 comprises an ultraviolet lamp and a water flow sensor for detecting a water flow signal in the water outlet connection pipe 320; the water inlet and outlet device 200 further comprises a control module 750, and the control module 750 is connected with the water flow sensor and the ultraviolet lamp. The ultraviolet lamp is used for sterilizing, bacteria are inactivated in an ultraviolet irradiation mode, the ultraviolet lamp is arranged in the water outlet connecting pipe 320, ultraviolet light is not easy to escape, the ultraviolet lamp has the advantages of being high in ultraviolet light utilization rate and good in sterilization effect, and the water temperature cannot be influenced. The sterilization assembly 760 is operated, the water flow sensor detects whether water is supplied to the water outlet connection pipe 320, and when the water outlet connection pipe 320 is detected to supply water, the control module 750 controls the ultraviolet lamp to operate so as to perform sterilization; when it is detected that the water outlet connection pipe 320 does not supply water, the control module 750 controls the ultraviolet lamp to be closed, so that energy consumption can be effectively reduced, and the service life of the ultraviolet lamp is prolonged.

The water inlet and outlet device of the present embodiment is not limited to the above technical solutions, and in another embodiment, as shown in fig. 15 to 17, the base 300 is further formed with a mounting pipe 330 communicating with the water inlet connection pipe 310; the water inlet and outlet device 200 further includes a relief valve core 720 installed on the installation pipe 330. When the pressure of the inner container 110 is too high due to heating, the pressure needs to be relieved through the water inlet and outlet device 200, and when the water pressure in the water inlet connecting pipe 310 of the water inlet and outlet device 200 is greater than the pressure relief threshold of the pressure relief valve core 720, the pressure relief valve core 720 is opened. Specifically, the mounting pipe 330 has a drain port, and when the relief valve core 720 is opened, part of water is drained from the mounting pipe 330, so that the water pressure in the inner container 110 is reduced. This scheme through the adoption with pressure release valve core 720 install in installation pipe 330, when the pressure in inner bag 110 was too big, can carry out the pressure release through pressure release valve core 720. The water inlet connecting pipe 310, the water outlet connecting pipe 320 and the mounting pipe 330 are integrally arranged, the mounting pipe 330 forms a shell of the pressure relief valve core 720, that is, when the pressure relief valve of the water inlet and outlet device 200 is mounted, the shell of the pressure relief valve does not need to be connected to the base 300, the assembling steps of the water inlet and outlet device 200 can be reduced, and the assembling efficiency of the water inlet and outlet device 200 can be improved. On the other hand, because the installation pipe 330, the water inlet connection pipe 310 and the water outlet connection pipe 320 are integrally formed, the installation pipe 330 has the characteristic of good connection sealing performance, and the situation of water leakage caused by poor installation of the installation pipe 330 can be effectively avoided. The water inlet and outlet device further comprises:

further, as shown in fig. 16, the water inlet and outlet device further includes a first filter element 610 and a second filter element 620, wherein the first filter element 610 is disposed between the pressure relief valve core 720 and the outlet of the water inlet connection pipe 310; the second filter 620 is disposed at an inlet of the water inlet connection pipe 310. The water inlet and outlet device 200 is usually installed below the inner container 110, so that water can be conveniently discharged from the inner container 110, but the situation that the pressure release valve is blocked by impurity deposition is easy to occur, so that the pressure release valve is invalid, and the use safety of a client is seriously affected. Therefore, the utility model discloses technical scheme is in the export of 310 is taken over in intaking with between the pressure release case 720, business turn over water installation 200 is doing during the inner bag 110 pressure release, water passes through from the inner bag 110 the export flow direction of 310 is taken over in intaking installation pipe 330, and impurity in the inner bag 110 will be filtered by first filtering piece 610, can effectively prevent pressure release case 720 is blockked up by impurity, thereby the guarantee business turn over water installation 200 pressure release function's reliability.

Further, as shown in fig. 16, the first filter member 610 includes a conical filter net. The filter screen is the filter area that the toper can effectively promote the filter screen to can effectively promote the filtration efficiency of filter screen. Of course, the first filter member 610 of the present embodiment is not limited to the conical filter element, and in other embodiments, the first filter member 610 may include a plate-type filter net; alternatively, the first filter member 610 includes a corrugated filter screen; the first filter member 610 may include a plate type filter screen and a conical filter screen, and has a characteristic of good filtering effect.

Further, as shown in fig. 16, the water inlet and outlet device 200 further includes a second filter 620, and the second filter 620 is disposed at the inlet of the water inlet adapter 310. When the water inlet connection pipe 310 of the water inlet and outlet device 200 supplies water to the inner container 110, water flows from the inlet of the water inlet connection pipe 310 to the outlet of the water inlet connection pipe 310. Therefore, the second filter 620 is disposed at the inlet of the water inlet connection pipe 310 to effectively filter the impurities introduced into the inner container 110. Specifically, the installation pipe 330 is located between an inlet and an outlet of the water inlet connection pipe 310, and more specifically, the installation pipe 330 is located between the second filter element 620 and an outlet of the water inlet connection pipe 310, and the first filter element 610 and the second filter element 620 are located upstream and downstream of the filter cartridge, respectively, so as to reduce accumulation of impurities at the filter cartridge to improve reliability of the pressure relief valve cartridge 720. The second filter 620 also includes a conical filter net, and has a good filtering effect. It should be noted that the water inlet and outlet device may also be provided with one of the first filter member 610 or the second filter member 620.

Further, as shown in fig. 16, the water inlet device further includes a one-way valve core 710, the one-way valve core 710 is disposed at the water inlet end of the water inlet connection pipe 310, and the installation pipe 330 is located between the one-way valve core 710 and the water outlet end of the water inlet connection pipe 310. The one-way valve core 710 allows the inlet of the water inlet connection pipe 310 to only allow water to enter but not allow water to exit, so as to prevent the water in the inner container 110 from leaking out of the inlet of the water inlet connection pipe 310, and on the other hand, the water pressure in the installation pipe 330 can be synchronized with the water pressure of the inner container 110, so that the pressure relief valve core 720 can work effectively.

The utility model discloses still provide a water heater, as shown in fig. 1 to fig. 3, this water heater 100 includes inner bag 110 and business turn over water installation 200, and this business turn over water installation 200's concrete structure refers to above-mentioned embodiment, because this water heater 100 has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The inner container 110 is provided with an installation opening, the water inlet and outlet device 200 is installed at the installation opening, and the water inlet connection pipe 310 and the water outlet connection pipe 320 are both communicated with the inner container 110. Flange 580 comprises a sleeve and a web configured around the sleeve; wherein, the sleeve is sleeved outside the mounting interface; the connecting plate is fixedly connected with the base 300, for example, by screws. The mounting opening is located at the bottom of the inner container 110. In addition, a third sealing ring is further disposed between the flange 580 and the base 300 to seal a gap between the mounting interfaces of the flange 580 and the base 300, thereby preventing water leakage and improving sealing effect. In business turn over water installation 200, the takeover 310 of intaking with the takeover 320 of going out water respectively to the both sides of mounting groove 340 cell body extend, the takeover 310 of intaking with the takeover 320 of going out water all is the setting of L type, inlet tube 800 with outlet pipe 400 corner just can be equipped with clean mouthful and sealed clean mouthful end cap. The above-mentioned

Of course, in other implementations, the water inlet and outlet device 200 may be connected with the inner container 110 by a screw thread, which has a characteristic of good connection tightness; or, the water inlet and outlet device 200 is connected with the inner container 110 in a buckling manner, a sealing rubber pad is arranged between the water inlet and outlet device 200 and the inner container 110, and the sealing rubber pad is matched with the buckling structure, so that the water inlet and outlet device has the characteristics of good sealing effect and convenience in disassembly and assembly.

In addition, as shown in fig. 1, the water heater 100 further includes an electric heating assembly 120, and the inner container 110 is further provided with another mounting opening for mounting the electric heating assembly 120; and/or the water heater 100 further comprises a magnesium rod assembly 130, and the inner container 110 is further provided with a mounting port for mounting the magnesium rod assembly 130. That is, the inner container 110 has only three mounting ports, one is a mounting port for mounting the water inlet and outlet device 200, the other is a mounting port for mounting the power supply heating assembly 120, and the other is a mounting port for mounting the magnesium rod assembly 130, so that compared with the conventional inner container 110, one mounting port is omitted on the water inlet and outlet side.

The water heater can be an electric water heater, a heat pump water heater, a solar water heater and the like.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A water inlet and outlet device, comprising:

the water supply device comprises a base, a water inlet connecting pipe and a water outlet connecting pipe, wherein the water inlet connecting pipe is suitable for communicating an inner container with an external water supply pipeline to supply water to the inner container;

2. The water inlet and outlet device as claimed in claim 1, wherein the outer surface of the mixing valve core is further provided with a water outlet valve port communicated with the water mixing chamber, and the water outlet valve port is communicated with the water outlet connecting pipe.

3. The water inlet and outlet device of claim 1 wherein the mixing valve element has an adjustment stem extending beyond the base, the water inlet and outlet device further comprising a knob coupled to the adjustment stem such that the knob can rotate the mixing valve element.

4. The water inlet and outlet device of claim 1, wherein the mixing valve cartridge comprises: the water mixing valve port is communicated with the first through hole and staggered with the cold water station of the second through hole;

5. The water inlet and outlet device as claimed in claim 4, wherein a positioning pin is convexly disposed on an outer surface of the water mixing valve element, the water inlet and outlet device further comprises a positioning plate connected to the base, the valve element is sleeved with the positioning plate, a first positioning protrusion and/or a second positioning protrusion are disposed on a surface of the positioning plate close to the positioning pin, and both the first positioning protrusion and the second positioning protrusion are used for abutting against the positioning pin to prevent the water mixing valve element from over-rotating.

6. The water inlet and outlet device of claim 1, further comprising a water inlet module, wherein the water outlet pipe is sleeved with the water inlet module, the water inlet module is connected with the base to communicate with the water inlet connection pipe, and the water inlet module is adapted to communicate with the liner to supply water to the liner;

or, the water inlet and outlet device further comprises:

7. The water inlet and outlet device of claim 6 wherein the base comprises:

the third port is communicated with the first port and the water inlet module;

8. The water inlet and outlet device as claimed in claim 7, wherein the flow guide member is a metal flow guide member, and the mixing valve core is a metal valve core.

9. The water inlet and outlet device of claim 7 wherein the base defines a mounting groove communicating with the third port; the module of intaking is including installing in the subassembly of intaking in the mounting groove, the subassembly of intaking forms the water inlet channel of buckling, with through the water inlet channel intercommunication the inner bag with the takeover of intaking.

10. The water inlet and outlet device as claimed in claim 9, wherein the water inlet assembly comprises a water inlet core and a water inlet cover plate, the water inlet core is disposed in the mounting groove, the water inlet cover plate is covered on the outer end of the water inlet core, and the water inlet cover plate, the water inlet core and the bottom wall of the mounting groove are matched to form the water inlet channel.

11. The water inlet and outlet device as claimed in claim 10, wherein the water inlet core comprises an inner cylinder for the water outlet pipe to pass through and an outer cylinder sleeved on the inner cylinder, the water inlet channel is formed between the inner cylinder and the outer cylinder, and the water inlet channel is arranged around the inner cylinder in a winding way.

12. The water inlet and outlet device as claimed in claim 11, wherein a plurality of partition plates are formed between the outer cylinder and the inner cylinder and arranged at intervals along the circumferential direction of the inner cylinder, the partition plates are hermetically connected with the inner cylinder and the outer cylinder, and the partition plates comprise an upper partition plate hermetically connected with the water inlet cover plate and a lower partition plate hermetically connected with the bottom wall of the mounting groove;

13. The water inlet and outlet device as claimed in claim 9, wherein the water inlet module further comprises a water outlet assembly covering the notch of the mounting groove, the water outlet assembly comprises a water outlet cap having a cap barrel and a flow blocking filter screen connected to the cap barrel, the cap barrel is communicated with the water inlet flow passage, and the mesh of the flow blocking filter screen is communicated with the inner space and the outer space of the cap barrel.

14. The water inlet and outlet device as claimed in claim 13, wherein the water outlet cap further has a guiding brim, the guiding brim is disposed obliquely from the top wall of the cap barrel to the direction away from the cap barrel, a water outlet is formed between the cap barrel and the guiding brim, the water outlet is disposed in a gradually expanding manner from top to bottom, and the water outlet is used for communicating the cap barrel and the inner container.

15. The water inlet and outlet device as claimed in any one of claims 1 to 14, further comprising:

and the display is electrically connected with the temperature sensor.

16. The water inlet/outlet device as claimed in any one of claims 1 to 14, wherein the base is further formed with a mounting tube communicating with the water inlet connection tube;

17. The water inlet and outlet device of claim 16, further comprising:

18. The water inlet and outlet device according to any one of claims 1 to 14, further comprising a sterilization assembly mounted within the outlet conduit.

19. The water inlet and outlet device as claimed in claim 18, wherein the sterilizing assembly comprises an ultraviolet lamp and a water flow sensor for detecting a water flow signal in the outlet connection;

20. A water heater, characterized in that it comprises:

the inner container is provided with a mounting opening;

the water inlet and outlet device as claimed in any one of claims 1 to 19, wherein the water inlet and outlet device is mounted on the mounting port, and the water inlet and outlet connection pipes are both communicated with the inner container.

21. The water heater as claimed in claim 20, wherein said water inlet and outlet means is connected to said inner vessel by a flange member; or,