CN212318865U

CN212318865U - Water mixing valve assembly and water heater using same

Info

Publication number: CN212318865U
Application number: CN202020384321.7U
Authority: CN
Inventors: 徐桂勤; 王明
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2021-01-08
Anticipated expiration: 2030-03-21

Abstract

The utility model discloses a water mixing valve subassembly and use its water heater, wherein, water mixing valve subassembly includes: the valve body is provided with a plurality of water flow channels, the water flow channels comprise a water mixing channel, a hot water channel and a cold water channel, and the hot water channel and the cold water channel are respectively connected with the water mixing channel; the valve is movably connected with the valve body so as to be capable of respectively adjusting the communication areas of the cold water channel and the hot water channel and the water mixing channel; the temperature sensing element is connected with the valve and is used for driving the valve to move by sensing the deviation amount of the water temperature in the water mixing channel; the sensor is connected with the valve body and comprises a temperature sensor used for detecting the temperature in the water flow channel; and/or the sensor comprises a flow sensor for detecting the flow rate in the water flow channel. The utility model discloses technical scheme has general, reliable, convenient constant temperature regulating function.

Description

Water mixing valve assembly and water heater using same

Technical Field

The utility model relates to a water heater field, in particular to mix water valve assembly and use its water heater.

Background

The water outlet end of most of water heaters on the market at present can adopt ordinary muddy water valve, but its leaving water temperature is unstable inadequately, need the user frequently manually to adjust the temperature when leaving water temperature suddenly cold suddenly hot, therefore user experience is relatively poor. And the water outlet end of most water heaters is not limited to the high temperature of more than 55 ℃, so that the old, children and other groups are easily scalded due to improper adjustment in the using process, and the potential safety hazard is large.

Therefore, in order to solve the technical problem that constant temperature water cannot be discharged, external constant temperature devices are additionally arranged at the water outlet end of some existing water heaters, but the existing water heaters are high in cost generally, and different types of constant temperature devices have technical defects which are difficult to overcome. For example, for an electronic thermostatic valve, temperature adjustment needs to be performed through a human-computer interaction interface, and for the elderly, children and other groups, the operation is relatively complex, and normal operation cannot be performed when power failure occurs, so that the universality and the reliability are insufficient. In addition, the electronic thermostatic valve is costly and not easy to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a mix water valve assembly has general, reliable, convenient constant temperature regulating function.

In order to achieve the above object, the utility model provides a mix water valve assembly includes:

the valve body is provided with a plurality of water flow channels, the water flow channels comprise a water mixing channel, a hot water channel and a cold water channel, and the hot water channel and the cold water channel are respectively connected with the water mixing channel;

the valve is movably connected with the valve body so as to be capable of respectively adjusting the communication areas of the cold water channel and the hot water channel and the water mixing channel;

the temperature sensing element is connected with the valve and is used for driving the valve to move by sensing the deviation amount of the water temperature in the water mixing channel; and the number of the first and second groups,

a sensor connected to the valve body, the sensor including a temperature sensor for sensing a temperature within the water flow passage; and/or the sensor comprises a flow sensor for detecting the flow rate in the water flow channel.

Optionally, the cold water channel is provided with the temperature sensor; and/or the cold water channel is provided with the flow sensor.

Optionally, the sensor includes a plurality of temperature sensors, and the mixing water passage and the cold water passage are each provided with one of the temperature sensors.

Optionally, the cold water channel includes a water inlet channel, a first branch and a second branch, the first branch is respectively communicated with the water inlet channel and the water mixing channel, and the second branch is respectively communicated with the water inlet channel and the inner container of the water heater;

the first branch is provided with the temperature sensor, and the water inlet channel is provided with the flow sensor.

Optionally, the temperature sensor is detachably connected with the valve body.

Optionally, the valve body is provided with a mounting hole, and the mounting hole penetrates through the wall of the water flow channel;

the temperature sensor is provided with an installation section and a temperature sensing section, a limiting shaft shoulder is formed on the peripheral side of the installation section, the temperature sensing section extends into the water flow channel from the installation hole, and the installation section is matched with the installation hole;

the water mixing valve assembly further comprises a limiting part, wherein a limiting hole is formed in the limiting part, the mounting section penetrates through the limiting part, the limiting part abuts against the surface, deviating from the temperature sensing section, of the limiting shaft shoulder, and the limiting part is detachably connected with the valve body.

Optionally, the mounting hole has a first hole section and a second hole section, the first hole section has a smaller hole diameter than the second hole section, and the first hole section is close to the water flow channel relative to the second hole section; the limiting shaft shoulder is positioned in the second hole section and is in sealing connection with a step surface between the first hole section and the second hole section.

Optionally, the mixing valve assembly further comprises an outer valve stem and an inner screw which are screwed with each other, the inner screw can move along a first direction under the rotation driving of the outer valve stem and is connected with and drives the temperature sensing element, so that the valve is displaced in the first direction.

Optionally, the mixing valve assembly further includes a first elastic member and a second elastic member, the first elastic member and the second elastic member are arranged along a first direction and are respectively disposed at two opposite ends of the temperature sensing element, the first elastic member and the second elastic member are respectively connected to the temperature sensing element, the first elastic member is further connected to the inner screw, and the second elastic member is connected to the valve body.

The utility model also provides a water heater, the water heater includes the inner bag and mixes the water valve subassembly, the inner bag has water inlet and delivery port, the cold water passageway of mixing the water valve subassembly is connected the water inlet, the hot water passageway of mixing the water valve subassembly is connected the delivery port.

The utility model discloses flow sensor and/or temperature sensor have been increased on mechanical thermostatic valve's basis. Can realize through temperature sensor that leaving water temperature is visual, help more accurate regulation temperature, can realize the function of some intelligence through flow sensor, for example detect that rivers pass through, can control water heater heating element's circuit outage for aspects such as safety, energy-conservation, environmental protection performance can promote.

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 an assembly schematic diagram of the water heater liner and the water mixing valve assembly of the present invention;

FIG. 2 is a schematic diagram of the mixing valve assembly of FIG. 1;

FIG. 3 is a cut-away schematic view of the mixing valve assembly of FIG. 1;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic view of the mixing valve assembly of FIG. 2 from another perspective;

FIG. 6 is an exploded view of a portion of the mixing valve assembly of FIG. 2;

FIG. 7 is an assembled schematic view of the water heater bladder and mixing valve assembly of FIG. 1 from another perspective.

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, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. 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 mix water valve assembly.

In the embodiment of the present invention, please refer to fig. 2 and fig. 3 in combination, the mixing valve assembly 100 includes a valve body 11 and a valve 16, wherein the valve body 11 has a plurality of water flow channels, the plurality of water flow channels include a mixing channel 12, a hot water channel 14 and a cold water channel 13, and the hot water channel 14 and the cold water channel 13 are respectively connected to the mixing channel 12. The cold water channel 13 has a cold water inlet 131, the hot water channel 14 has a hot water inlet 141, the mixing channel 12 has a mixing outlet 121, cold water enters the cold water channel 13 from the cold water inlet 131 and flows into the mixing channel 12, hot water enters the hot water channel 14 from the hot water inlet 141 and flows into the mixing channel 12, and after the cold water and the hot water are mixed in the mixing channel 12, the cold water and the hot water finally flow out from the mixing outlet 121 formed in the mixing channel 12.

The valve 16 is movably connected to the valve body 11 to respectively adjust the communication areas of the cold water channel 13 and the hot water channel 14 with the mixing channel 12, that is, the communication areas of the cold water channel 13 with the mixing channel 12 and the communication areas of the hot water channel 14 with the mixing channel 12 can be respectively adjusted, so as to adjust the temperature of the water flowing out from the mixing outlet 121.

In one embodiment, the mixing valve assembly 100 further includes a temperature sensing element 17, and the temperature sensing element 17 is connected to the valve 16 for driving the valve 16 to move by sensing the deviation of the water temperature in the mixing channel 12, so that the valve 16 adjusts the opening ratio of the cold water channel 13 and the hot water channel 14. Alternatively, the temperature sensing element 17 may be a bulb.

When the mixing valve assembly 100 of the present embodiment is used, a user may adjust a preset water temperature according to actual requirements, during a subsequent use process, a real-time water temperature in the mixing channel 12 may deviate from the preset water temperature, and the temperature sensing element 17 may continuously sense a water temperature deviation amount, and drive the valve 16 to generate displacement according to the water temperature deviation amount, so as to correspondingly adjust an opening ratio of the cold water channel 13 and the hot water channel 14, so that the water temperature deviation amount is compensated in time, and thus the preset water temperature in the mixing channel 12 is always maintained constant. For example, when the real-time water temperature in the mixing channel 12 is higher than the preset water temperature, the temperature sensing element 17 immediately drives the valve 16 to displace to enlarge the opening degree of the cold water channel 13, or to reduce the opening degree of the hot water channel 14 while enlarging the opening degree of the cold water channel 13, so as to increase the proportion of the cold water flowing into the mixing channel 12, thereby reducing the real-time water temperature to the preset water temperature, so as to obtain the effect of constant water temperature.

Therefore, by adopting the water mixing valve assembly 100 in the embodiment of the present invention, the thermostatic regulation process does not need manual participation of users, and therefore, the water mixing valve assembly is convenient to use for any user group, i.e., has high convenience and universality. In addition, it should be noted that the mixing valve assembly 100 is a pure mechanical structure, and compared with the existing electronic thermostatic regulating device, the mixing valve assembly can stably operate for a long time without depending on electric power, so that the mixing valve assembly has high reliability and relatively low cost.

In one embodiment, the cold water channel 13 has a cold water valve port 135, the hot water channel 14 has a hot water valve port 142, and the cold water valve port 135 and the hot water valve port 142 are disposed on the peripheral wall of the mixing channel 12 and are axially displaced along the mixing channel 12. That is, the cold water passage 13 is connected to the mixing passage 12 through the cold water valve port 135, and the hot water passage 14 is connected to the mixing passage 12 through the hot water valve port 142. In this embodiment, the valve 16 respectively adjusts the communication areas of the cold water channel 13 and the hot water channel 14 with the mixing channel 12, which means that the valve 16 can adjust the opening ratio of the cold water port 135 and the hot water port 142.

Referring to fig. 3 to fig. 6, in the embodiment of the present invention, the mixing valve assembly 100 further includes a sensor connected to the valve body 11, wherein the sensor includes a temperature sensor 24 for detecting a temperature in the water flow channel; and/or the sensor comprises a flow sensor 25 for detecting the flow rate in the water flow channel.

In the embodiment of the present invention, the sensor may include any one or two of the temperature sensor 24 and the flow sensor 25. Among them, the temperature sensor 24 may be disposed on any one of the mixing water passage 12, the hot water passage 14 and the cold water passage 13 to detect the temperature of water in the corresponding passage. Alternatively, the temperature sensors 24 are provided in the mixing water passage 12, the hot water passage 14, and the cold water passage 13. For example, when the temperature sensor 24 is disposed in the water mixing channel 12, the mixed water temperature can be detected, and the detected mixed water temperature can be displayed on a display screen, a mobile phone or a computer, etc. electrically connected to the temperature sensor 24, so as to prompt the user. The temperature sensor 24 may also be disposed on the hot water channel 14 to detect the temperature of the hot water, so as to remind the user to manually adjust the opening ratio of the cold water valve port 135 and the hot water valve port 142, or to enable the controller to automatically adjust the opening ratio of the cold water valve port 135 and the hot water valve port 142, thereby better adjusting the temperature of the mixed water. The temperature sensor 24 can also be arranged on the cold water channel 13 to detect the temperature of the cold water, so that the power, the heating time and the like of the heating element of the water heater can be better controlled according to the temperature of the cold water, and the temperature of the water outlet of the liner 300 of the water heater can be adjusted. In addition, after the cold water temperature is detected, the user can be reminded to manually adjust the opening proportion of the cold water valve port 135 and the hot water valve port 142, or the controller can automatically adjust the opening proportion of the cold water valve port 135 and the hot water valve port 142, so that the mixed water temperature can be better adjusted.

Similarly, the flow sensor 25 may be provided in any one of the mixing water passage 12, the hot water passage 14, and the cold water passage 13. When there is a water using behavior, that is, the mixing outlet 121 is opened, a water flow condition exists in any one of the mixing passage 12, the hot water passage 14 and the cold water passage 13, so that the flow sensor 25 can detect a water flow signal.

In the above, the temperature sensor 24 and the flow sensor 25 may be disposed in the same water flow channel, but they may be disposed separately. For example, the cold water passage 13 is provided with the temperature sensor 24; and/or the cold water channel 13 is provided with the flow sensor 25. Of course, the sensor may also comprise a plurality of temperature sensors 24, and one temperature sensor 24 is provided for each of the mixing water channel 12 and the cold water channel 13.

At present, the mechanical thermostatic valve is purely manually controlled, and the performance and operation such as visualization, intelligent control and the like cannot be realized; the electronic thermostatic valve is provided with a temperature sensor 24 and a flow sensor 25, is purely electronically controlled and is not manually operated. The embodiment of the utility model provides an on the basis of mechanical thermostatic valve has increased flow sensor 25 and/or temperature sensor 24. Can realize through temperature sensor 24 that leaving water temperature is visual, help more accurate regulation temperature, can realize the function of some intelligence through flow sensor 25 signal, for example detect that rivers pass through, can control water heater heating element's circuit outage for aspects such as safety, energy-conservation, environmental protection performance can promote.

In one embodiment, the cold water channel 13 includes a water inlet channel 132, a first branch 133 and a second branch 134, the first branch 133 communicates with the water inlet channel 132 and the water mixing channel 12, respectively, and the second branch 134 communicates with the water inlet channel 132 and the inner container 300 of the water heater, respectively; the first branch 133 is provided with the temperature sensor 24, and the water inlet passage 132 is provided with the flow sensor 25. Furthermore, a temperature sensor 24 is also provided at the mixing channel 12.

In this embodiment, the temperature sensor 24 of mixing water passageway 12 department can survey the temperature of mixing water, can be connected to on operating panel's the display screen, demonstrates the temperature degree, accomplishes that the water temperature is visual, need not remove the probe temperature with the hand, has avoided being scalded with the hand test temperature danger, improves the security. The temperature sensor 24 of cold water passageway 13 (first branch 133) department can survey the cold water temperature, and control panel carries out data record through the temperature of surveying cold water passageway 13 department in combination with the temperature, according to user's shower data, intelligent control heating time or heating temperature accomplish energy-conserving effect. The flow sensor 25 can detect that water flows through, and when a water flow signal is detected, the electric control of the operation panel controls the circuit to be powered off, so that the purpose of water outlet power off is achieved, and the safety is improved.

In one embodiment, the temperature sensor 24 is detachably connected to the valve body 11. Specifically, the valve body 11 is provided with a mounting hole 15, and the mounting hole 15 penetrates through the cavity wall of the water flow channel. The temperature sensor 24 has an installation section 241 and a temperature sensing section 242, a limit shaft shoulder 243 is formed on the peripheral side of the installation section 241, the temperature sensing section 242 extends into the water flow channel from the installation hole 15, and the installation section 241 is matched with the installation hole 15. The mixing valve assembly 100 further includes a limiting member 26, a limiting hole 261 is formed in the limiting member 26 to allow the mounting section 241 to pass through, the limiting member 26 abuts against a surface of the limiting shaft shoulder 243 departing from the temperature sensing section 242, and the limiting member 26 is detachably connected to the valve body 11.

When the temperature sensor 24 is installed, the temperature sensor 24 extends into the water flow channel from the installation hole 15 on the valve body 11, and the temperature sensing section 242 of the temperature sensor 24 is located in the water flow channel and can be in contact with the water flow, so that the temperature of the water flow is detected. The mounting section 241 of the temperature sensor 24 is at least partially located in the mounting hole 15 and is in sealing engagement with the inner wall surface of the mounting hole 15, for example, a sealing ring or a sealant is used for sealing, so as to prevent water leakage from the mounting hole 15. Then, the limiting member 26 is connected to the valve body 11, and the aperture of the limiting hole 261 on the limiting member 26 is smaller than the outer diameter of the limiting shoulder 243, so that the limiting member 26 can abut against the limiting shoulder 243, and the temperature sensor 24 is prevented from falling out of the mounting hole 15.

The limiting shoulder 243 may be disposed in the mounting hole 15, and of course, the limiting shoulder 243 may be disposed outside the mounting hole 15. Optionally, the limiting shaft shoulder 243 is located in the mounting hole 15, so that after the limiting member 26 abuts against the limiting shaft shoulder 243, the limiting member 26 can be in surface contact with the valve body 11, and the valve body 11 can equivalently support and limit the limiting member 26.

The stopper 26 may be plate-shaped. The limiting hole 261 may have a notch, which allows the mounting section 241 of the temperature sensor 24 to enter and exit, so as to facilitate the cooperation between the temperature sensor 24 and the limiting member 26.

In one embodiment, the mounting hole 15 has a first hole segment 151 and a second hole segment 152, the first hole segment 151 has a smaller hole diameter than the second hole segment 152, and the first hole segment 151 is close to the water flow passage relative to the second hole segment 152; the limiting shoulder 243 is located in the second hole section 152 and is in sealing connection with the step surface 153 between the first hole section 151 and the second hole section 152.

Specifically, the form of the above-mentioned middle limit shoulder 243 and the step surface 153 in sealing connection includes but is not limited to: the limiting shaft shoulder 243 can be directly in sealing and abutting joint with the step surface 153; or, a sealing ring is arranged between the limiting shaft shoulder 243 and the step surface 153, and the two are connected in a sealing way through the sealing ring; or sealing glue is arranged between the two to realize sealing connection.

In this way, one surface of the limit shoulder 243 is limited by the step surface 153, and the other surface is limited by the limiting member 26, so that the displacement of the temperature sensor 24 in the axial direction of the mounting hole 15 is limited.

In one embodiment, the mixing valve assembly 100 further includes a driving assembly, the driving assembly is connected to the temperature sensing element 17, and the driving assembly drives the temperature sensing element 17 to move, so as to drive the valve 16 to move. The drive assembly is referred to as a mechanical drive assembly.

In one embodiment, the drive assembly may include an outer valve stem 18 and an inner screw 19 that are threaded into one another. The outer valve rod 18 is rotatably connected with the valve body 11, the inner screw rod 19 is connected with the temperature sensing element 17, the inner screw rod 19 can move along a first direction under the rotation driving of the outer valve rod 18, and drives the temperature sensing element 17 to move along the first direction, so that the valve 16 moves along the first direction, and the opening ratio of the cold water channel 13 and the hot water channel 14 is adjusted.

For example, with reference to the illustrated embodiment, the first direction refers to the axial direction of the mixing channel 12, and the outer stem 18 remains stationary in the axial direction of the mixing channel 12 at all times, but can pivot horizontally along its central axis. While the inner screw 19 can move axially along the mixing channel 12 while the inner screw pivots horizontally, so that the temperature sensing element 17 is driven to move axially along the mixing channel 12 to further drive the valve 16 to adjust the opening ratio. Of course, the specific structure of the driving assembly in the mixing valve assembly 100 is not limited thereto.

In some embodiments, an elastic element may be disposed at least at one end of the temperature sensing element 17, so as to ensure that the displacement of the temperature sensing element 17 along the axial direction of the water mixing channel 12 is converted into the deformation of the elastic element along the axial direction of the water mixing channel 12, thereby facilitating further conversion of the deformation of the elastic element along the axial direction of the water mixing channel 12 into the displacement of the valve 16 along the axial direction of the water mixing channel 12, which is beneficial to improving the reliability and stability of the driving structure. Of course, in other embodiments, the temperature sensing element 17 may be configured to directly drive the valve 16 to move, for example, the valve 16 may be directly connected to the temperature sensing element 17, and the deformation generated by the temperature sensing element 17 may be directly converted into the displacement of the valve 16.

In one embodiment, the driving assembly further comprises a first elastic member 21 and a second elastic member 22, the first elastic member 21 is connected to the inner screw 19 and the temperature sensing element 17 respectively; the second elastic member 22 is connected to the valve body 11 and the temperature sensing element 17, and the second elastic member 22 and the first elastic member 21 are arranged along the first direction and are respectively disposed at two opposite ends of the temperature sensing element 17.

In particular, the first resilient member 21 and the inner screw 19 are provided at the same end of the temperature sensing element 17. Wherein, the inner screw 19 can be opened with a guide groove, one end of the first elastic component 21 is connected with the groove bottom of the guide groove, and the other end is connected with the temperature sensing element 17. It should be noted that, in order to guarantee the stationarity of motion, can set up a connecting block in the guide way, connecting block and guide way sliding connection, the connecting block is connected to the other end of first elastic component 21, and first elastic component 21 is spacing in the guide way by the connecting block promptly, so, first elastic component 21 passes through the connecting block and butt temperature-sensing element 17.

The drive assembly may also include a hand wheel 23 fixedly connected to the outer valve stem 18, i.e. the user may manually adjust the desired preset water temperature by turning the hand wheel 23. Of course, an electric control structure can be arranged to drive the outer valve rod 18 to horizontally pivot, so that manual temperature adjustment operation of a user is saved.

The utility model discloses still provide a water heater, please combine reference fig. 1 and fig. 7, wherein, fig. 7 is the schematic structure under the water heater inner bag normal use state. The water heater includes an inner container 300 and a mixing valve assembly 100, wherein the structure of the mixing valve assembly 100 refers to the above embodiments, and the detailed description thereof is omitted. Specifically, the inner container 300 has a water inlet and a water outlet, the cold water channel 13 of the mixing valve assembly 100 is connected to the water inlet, and the hot water channel 14 of the mixing valve assembly 100 is connected to the water outlet.

The cold water channel 13 of the mixing valve assembly 10 is opened with a connection port to connect with the water inlet of the inner container 300, for example, the second branch 134 is connected with the inner container 300, and the second branch 134 has a connection port to connect with the inner container 300.

In one embodiment, the opening directions of the hot water inlet 141 and the connection port of the mixing valve assembly 100 are the same, the opening directions of the mixed water outlet 121 and the cold water inlet 131 are also the same, and the opening direction of the hot water inlet 141 is perpendicular to the opening direction of the mixed water outlet 121. For example, when the water mixing valve assembly 100 is mounted on the liner 300, the hot water inlet 141 and the connection port are both opened upward, and the mixed water outlet 121 and the cold water inlet 131 are opened rearward, such that the water inlet direction of the hot water inlet 141 is in the vertical direction, the water inlet direction of the connection port is in the vertical direction, and the water outlet direction of the mixed water outlet 121 and the water inlet direction of the cold water inlet 131 are in the horizontal direction. After mixing water outlet 121 and connecting the outlet pipe, cold water inlet 131 connects the inlet tube after, the direction of inlet tube and outlet pipe can be the horizontal direction, and this mixes water valve assembly 100 with the inlet tube of inner bag 300 and outlet pipe direction from traditional vertical change to the horizontal direction, can hide mixing water valve assembly 100 and pass in and out water at the rear of water heater shell cover, can reduce the installation space of water heater.

The above is only the exemplary or alternative embodiment of the present invention, and not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in the technical field of other related applications.

Claims

1. A mixing valve assembly, comprising:

2. The mixing valve assembly of claim 1, wherein the cold water passage is provided with the temperature sensor; and/or the cold water channel is provided with the flow sensor.

3. The mixing valve assembly of claim 2, wherein the cold water passage comprises a water inlet passage, a first branch and a second branch, the first branch is communicated with the water inlet passage and the mixing passage respectively, and the second branch is communicated with the water inlet passage and the inner container of the water heater respectively;

4. The mixing valve assembly of claim 1, wherein the sensor comprises a plurality of temperature sensors, one temperature sensor being provided for each of the mixing passage and the cold water passage.

5. The mixing valve assembly of claim 1, wherein the temperature sensor is removably connected to the valve body.

6. The mixing valve assembly of claim 5, wherein the valve body defines a mounting hole extending through a wall of the water flow passage;

7. The mixing valve assembly as recited in claim 6 wherein said mounting bore has a first bore section and a second bore section, said first bore section having a smaller bore diameter than said second bore section, and said first bore section being proximate said water flow passage relative to said second bore section; the limiting shaft shoulder is positioned in the second hole section and is in sealing connection with a step surface between the first hole section and the second hole section.

8. The mixing valve assembly according to any of the claims 1 to 7, further comprising an outer stem and an inner stem threaded to each other, the inner stem being movable in a first direction upon rotation of the outer stem and being coupled to drive the temperature sensing element to displace the valve in the first direction.

9. The mixer valve assembly of claim 8 further comprising a first resilient member and a second resilient member, wherein the first resilient member and the second resilient member are arranged along a first direction and are respectively disposed at opposite ends of the temperature sensing element, and wherein the first resilient member and the second resilient member are respectively connected to the temperature sensing element, the first resilient member is further connected to the inner screw, and the second resilient member is connected to the valve body.

10. A water heater comprising a liner and the mixing valve assembly of any one of claims 1-9, the liner having an inlet and an outlet, the mixing valve assembly having a cold water passageway connected to the inlet and a hot water passageway connected to the outlet.