CN220354531U

CN220354531U - Valve and water heater

Info

Publication number: CN220354531U
Application number: CN202321591754.XU
Authority: CN
Inventors: 杜韬; 朱冬伟; 蔡茂虎
Original assignee: AO Smith China Water Heater Co Ltd
Current assignee: AO Smith China Water Heater Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-01-16
Anticipated expiration: 2033-06-20

Abstract

The utility model is a valve and water heater, the valve includes: the valve body is internally provided with a water mixing cavity; the first flow channel, the second flow channel and the third flow channel can be communicated with the water mixing cavity, the first flow channel and the second flow channel are used for providing water for the water mixing cavity, and the third flow channel is used for outputting water of the water mixing cavity; the valve core is positioned in the water mixing cavity, the water flowing through the first flow channel and the second flow channel respectively enters the water mixing cavity, and the third flow channel is used for outputting water at a preset temperature after the valve core is mixed. The utility model can realize the rapid adjustment and stable output of the constant-temperature water, can accurately match the temperature according to the requirement of the user, and improves the use experience of the user.

Description

Valve and water heater

Technical Field

The utility model relates to the field of water heaters, in particular to a valve and a water heater.

Background

At present, the thermostatic valve is widely used for adjusting the water outlet temperature when water is used, but the existing mechanical thermostatic valve has the defects of inconvenient operation, inaccurate thermostatic temperature adjustment, incapability of accurately matching the use requirements of different temperatures and the like, and poor use experience is brought to users.

In view of the above problems, no effective solution has been presented in the prior art.

Accordingly, the present inventors have developed a valve and water heating system to overcome the shortcomings of the prior art by years of experience and practice in the relevant industry.

Disclosure of Invention

The utility model aims to provide a valve and a water heater, which are accurate in temperature regulation, can realize quick regulation and stable output of constant-temperature water, can accurately match the temperature according to the requirement of a user, and improve the use experience of the user.

The object of the utility model can be achieved by the following scheme:

the present utility model provides a valve comprising:

the valve body is internally provided with a water mixing cavity;

the first flow channel, the second flow channel and the third flow channel can be communicated with the water mixing cavity, the first flow channel and the second flow channel are used for providing water for the water mixing cavity, and the third flow channel is used for outputting water of the water mixing cavity;

the valve core is positioned in the water mixing cavity, the water flowing through the first flow channel and the second flow channel respectively enters the water mixing cavity, and the third flow channel is used for outputting water at a preset temperature after the valve core is mixed.

In a preferred embodiment of the present utility model,

the first flow channel is used for providing cold water to the water mixing cavity;

the second flow passage is used for providing hot water for the water mixing cavity;

the valve core is used for mixing the hot water entering the water mixing cavity with the cold water to form warm water with preset temperature;

the third flow passage is used for outputting the warm water.

In a preferred embodiment of the utility model, the valve body has a first port, a second port and a third port,

the first port is used for communicating the first flow channel with the water mixing cavity;

the second port is used for communicating the second flow channel with the water mixing cavity;

the third port is used for communicating the third flow passage with the water mixing cavity;

the first port, the second port and the third port are all positioned on the same wall surface of the water mixing cavity.

In a preferred embodiment of the present utility model, the first flow channel includes at least a first bending portion, and the flowing direction of the first port and the flowing direction of the first flow channel portion downstream of the first bending portion form a first preset included angle;

the second flow passage at least comprises a second bending part, and the flowing direction of the second opening and the flowing direction of the second flow passage part downstream of the second bending part form a second preset included angle.

In a preferred embodiment of the present utility model, the first preset included angle and/or the second preset included angle is 90 °.

In a preferred embodiment of the present utility model, the third flow channel includes at least a third bending portion, and the flow direction of the third port is different from the flow direction of the third flow channel portion downstream of the third bending portion.

In a preferred embodiment of the present utility model, the valve element adjusts the opening degree of the first port and/or the opening degree of the second port to adjust the flow area of the first flow passage and/or the flow area of the second flow passage.

In a preferred embodiment of the utility model, the valve cartridge comprises a valve stem and a rotating member, the valve stem being connected to the rotating member, the valve stem being rotated to adjust the sealing area of the rotating member to the first port and/or the second port.

In a preferred embodiment of the present utility model, the valve core further includes a fixing member stacked with the rotating member, and the fixing member has a first through hole, a second through hole, and a third through hole communicating with the first port, the second port, and the third port, respectively.

In a preferred embodiment of the present utility model, the valve further includes a driving device, an output end of the driving device is connected to the valve stem, and the driving device and the valve core are disposed along an axial direction of the valve core.

In a preferred embodiment of the present utility model, the flowing direction of the third opening forms a third preset included angle with the flowing direction of the first opening and/or the flowing direction of the second opening.

In a preferred embodiment of the present utility model, the third predetermined angle is 180 °.

In a preferred embodiment of the present utility model, the third flow path portions upstream and downstream of the third bending portion have different flow passing directions, and the third flow path portion downstream of the third bending portion is provided with a first temperature detecting element.

In a preferred embodiment of the present utility model, the first flow channel and the second flow channel are respectively provided with a second temperature detecting element and a third temperature detecting element.

In a preferred embodiment of the present utility model, at least two of at least a portion of the first flow channel, at least a portion of the second flow channel, and at least a portion of the third flow channel are staggered.

In a preferred embodiment of the utility model, the valve body is provided with at least a cold water inlet, a cold water outlet, a hot water inlet and a mixed water outlet,

the cold water inlet and the cold water outlet are respectively communicated with the first flow channel, and the cold water outlet is positioned at the downstream of the cold water inlet along the flow direction of the cold water;

the hot water inlet is communicated with the second flow passage;

the water mixing outlet is communicated with the third flow passage.

The utility model provides a water heater, which comprises the valve, wherein the valve is connected to a water path of the water heater.

In a preferred embodiment of the utility model, the hot water inlet of the valve is connected with the inner cavity of the water heater through the second flow passage and the hot water pipeline of the valve in sequence, the cold water outlet of the valve is communicated with the inner cavity of the water heater through at least part of the first flow passage and the cold water pipeline of the valve in sequence, the cold water inlet of the valve is connected with tap water through the first flow passage and the water inlet pipeline of the valve in sequence, and the mixed water outlet of the valve is connected with the water end through the third flow passage and the water supply pipeline of the valve in sequence.

In a preferred embodiment of the utility model, the valve further comprises a driving device, and the driving device and the valve core are arranged in a horizontal direction.

From the above, the valve and the water heater of the utility model have the characteristics and advantages that: the valve is provided with a first flow passage, a second flow passage and a third flow passage which are communicated with the water mixing cavity in the valve body, water can be supplied to the water mixing cavity through the first flow passage and the second flow passage respectively, after water flowing through the first flow passage and the second flow passage respectively enters the water mixing cavity, the water flowing through the first flow passage and the second flow passage is mixed to form preset temperature through the valve core, and the mixed water with the preset temperature is output through the third flow passage, so that the aim of accurately regulating the water temperature of the mixed water is fulfilled, the quick regulation and stable output of constant temperature water are realized, and the valve can be used for accurately matching the temperature according to the requirement of a user, and the use experience of the user is improved.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:

fig. 1: is a front view of the valve of the present utility model.

Fig. 2: is one of the top views of the valve in the state of the valve core not being installed in the utility model.

Fig. 3: is a cross-sectional view taken along the direction A-A in fig. 2.

Fig. 4: the second is a top view of the valve in the state of not installing the valve core.

Fig. 5: is a cross-sectional view in the direction B-B in fig. 4.

Fig. 6: is a front view of the valve core in the valve of the present utility model.

Fig. 7: is a cross-sectional view taken along the direction C-C in fig. 6.

Fig. 8: is one of the schematic diagrams of the internal structure of the valve core in the valve.

Fig. 9: is a second schematic diagram of the internal structure of the valve core in the valve of the utility model.

Fig. 10: is a bottom view of the water heater of the present utility model.

Fig. 11: is a front view of the water heater of the present utility model.

The reference numerals in the utility model are:

1. a valve body; 101. a water mixing cavity; 102. a first flow passage; 1021. a first bending part; 103. a second flow passage; 1031. a second bending part; 104. a third flow passage; 1041. a third bending part; 105. a first port; 106. a second port; 107. a third port; 108. a cold water inlet; 109. a cold water outlet; 110. a hot water inlet; 111. a mixed water outlet; 2. a valve core; 201. a valve stem; 202. a rotating member; 2021. a first convex portion; 2022. a second convex portion; 203. a fixing member; 2031. a first through hole; 2032. a second through hole; 204. a housing; 3. a driving device; 4. a first temperature detecting element; 5. a second temperature detecting element; 6. a third temperature detecting element;

1000. a valve; 2000. a hot water pipeline; 3000. a cold water pipeline; 4000. a water outlet; 5000. and a water inlet.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1 to 9, the present utility model provides a valve comprising a valve body 1, a water mixing chamber 101 formed in the valve body 1, a first flow passage 102, a second flow passage 103 and a third flow passage 104 provided on the valve and capable of communicating with the water mixing chamber 101, the first flow passage 102 and the second flow passage 103 being respectively used for supplying water into the water mixing chamber 101, and the third flow passage 104 being used for outputting water of the water mixing chamber 101; a valve core 2 is arranged in the water mixing cavity 101, water flowing through the first flow passage 102 and the second flow passage 103 respectively enters the water mixing cavity 101, and the third flow passage 104 is used for outputting water with preset temperature after the valve core 2 is mixed.

In the utility model, the valve is provided with the first flow passage 102, the second flow passage 103 and the third flow passage 104 which can be communicated with the water mixing cavity 101 in the valve body 1, and water can be supplied to the water mixing cavity 101 through the first flow passage 102 and the second flow passage 103, and as the valve core 2 is arranged in the water mixing cavity 101, in the process of supplying water to the water mixing cavity 101 through the first flow passage 102 and the second flow passage 103, water flowing through the first flow passage 102 and the second flow passage 103 respectively enters the water mixing cavity 101, the valve core 2 mixes water flowing through the first flow passage 102 and the second flow passage 103 into the water mixing cavity 101 to form preset temperature, and the mixed water with the preset temperature is output through the third flow passage 104, so that the aim of accurately adjusting the water temperature of the mixed water is fulfilled, the quick adjustment and stable output of constant temperature water are realized, and the valve can accurately match the temperature according to the requirement of a user, and the use experience of the user is improved.

In an alternative embodiment of the present utility model, the first flow channel 102 and the second flow channel 103 may respectively provide water with different temperatures into the water mixing cavity 101, and the water with different temperatures is mixed in the water mixing cavity 101 to form a temperature matched with the requirement of a user, and is output by the third flow channel 104. In this embodiment, the first flow channel 102 may be used to provide cold water into the water mixing chamber 101, the second flow channel 103 may be used to provide hot water into the water mixing chamber 101, the flow area of the first flow channel 102 and/or the flow area of the second flow channel 103 may be adjusted by the valve core 2, so that the hot water entering the water mixing chamber 101 may be mixed with the cold water to form warm water with a preset temperature (i.e., a temperature required by a user and capable of being set by the user), and the third flow channel 104 outputs the warm water with a temperature required by the user.

In an alternative embodiment of the present utility model, as shown in fig. 2 to 5, the valve body 1 has a first port 105, a second port 106 and a third port 107, and the first port 105 is used to communicate the first fluid channel 102 with the water mixing chamber 101; the second port 106 is used for communicating the second flow channel 103 with the water mixing cavity 101; the third port 107 is used for communicating the third flow passage 104 with the water mixing chamber 101. As shown in fig. 2 to 5, the first port 105, the second port 106 and the third port 107 are all located on the same wall surface of the water mixing cavity, the first port 105 and the second port 106 supply water to the water mixing cavity 101 along the same direction, and the mixed water is output from the third port 107 along the opposite direction, so that the flowing distance of the water flow in the water mixing cavity 101 is prolonged to the greatest extent, the full mixing of cold water and hot water is ensured, the accuracy of water temperature adjustment is improved, and good use experience of a user is ensured. In addition, the first port 105 and the second port 106 supply water into the water mixing cavity 101 along the same direction, so that cold water and hot water entering the water mixing cavity 101 cannot be subjected to opposite flushing, stability of water flow in the water mixing cavity 101 is guaranteed, and further thorough mixing of the cold water and the hot water can be guaranteed.

In an alternative embodiment of the present utility model, as shown in fig. 3, the first flow channel 102 includes at least one first bending portion 1021, and the flowing direction of the first port 105 (the direction of water entering the water mixing cavity 101) forms a first preset included angle with the flowing direction of the portion of the first flow channel 102 downstream of the first bending portion 1021; the second flow channel 103 includes at least one second bending portion 1031, and the flowing direction of the second opening 106 (the direction of water entering the water mixing cavity 101) forms a second preset included angle with the flowing direction of the second flow channel 103 downstream of the second bending portion 1031. Through the arrangement of the first bending part 1021 and the second bending part 1031, the water flow of the first flow channel 102 and the second flow channel 103 can be prevented from directly rushing into the water mixing cavity 101, a certain slow flow effect is achieved on the water flow of the first flow channel 102 and the second flow channel 103, and therefore the cold water and the hot water entering the water mixing cavity 101 are fully mixed, and the water mixing effect is improved.

Further, as shown in fig. 3, the first preset included angle and/or the second preset included angle may be 90 ° respectively. Of course, other angles can be set for the first preset included angle and/or the second preset included angle, so that a slow flow effect can be achieved on the water flow, and the water flow is prevented from directly rushing into the water mixing cavity 101.

In an alternative embodiment of the present utility model, as shown in fig. 5, the third flow channel 104 includes at least one third bending portion 1041, and the flowing direction of the third opening 107 (the direction of water flowing out from the water mixing chamber 101 to the third flow channel 104) is different from the flowing direction of the third flow channel 104 downstream of the third bending portion 1041. Through the setting of third kink 1041, can avoid the warm water direct outflow in the muddy water chamber 101, guarantee to mix the hydroenergy intensive mixing of output in the chamber 101, third kink 1041 can play certain slow flow effect to the rivers in the third runner 104 moreover to improve warm water output's stability, promote user's use experience.

Further, as shown in fig. 5, the third flow passage 104 upstream of the third bending portion 1041 has a different flow direction from the third flow passage 104 downstream of the third bending portion 1041, and the first temperature detecting element 4 is provided at the third flow passage 104 downstream of the third bending portion 1041. By the slow flow action of the third bending part 1041, the water flowing to the third flow passage 104 part downstream of the third bending part 1041 reaches a state that cold water and hot water are fully mixed, so that the first temperature detection element 4 is arranged at the third flow passage 104 part downstream of the third bending part 1041, the temperature of the mixed warm water can be accurately detected, the constant temperature effect is ensured, and the condition of inaccurate temperature detection is avoided. Wherein the first temperature detecting element 4 may be, but is not limited to, a temperature sensor.

Further, as shown in fig. 1 to 5, the first flow path 102 is provided with the second temperature detecting element 5, and the second flow path 103 is provided with the third temperature detecting element 6. The temperature of the cold water provided in the first flow channel 102 can be detected by the second temperature detecting element 5, the temperature of the hot water provided in the second flow channel 103 can be detected by the third temperature detecting element 6, and the opening degrees of the first port 105 and the second port 106 are regulated, so that the cold water and the hot water entering the water mixing cavity 101 are mixed to form warm water with preset temperature, and the aim of accurately matching the temperature according to the requirement of a user is fulfilled.

In the above embodiment, the valve core 2 adjusts the opening of the first port 105 to adjust the flow area of the first flow channel 102, and/or the valve core 2 adjusts the opening of the second port 106 to adjust the flow area of the second flow channel 103, so as to achieve the purpose of accurately adjusting the amount of cold water entering the water mixing chamber 101 and the amount of hot water entering the water mixing chamber 101.

In the process of supplying water into the water mixing cavity 101 through the first flow channel 102 and/or the second flow channel 103, the flow area of the first flow channel 102 and the flow area of the second flow channel 103 can be adjusted through the valve core 2 (namely, the water inflow of the first flow channel 102 is independently adjusted according to actual requirements, the water inflow of the second flow channel 103 is independently adjusted, or the water inflow of the first flow channel 102 and the water inflow of the second flow channel 103 are simultaneously adjusted), so that water which enters the water mixing cavity 101 through the first flow channel 102 and the second flow channel 103 respectively with preset flow rates can be mixed, and the mixed water is output through the third flow channel 104; according to the utility model, through the arrangement of the valve core 2, the overflow area of the first flow channel 102 and the overflow area of the second flow channel 103 can be accurately regulated, the purpose of accurately regulating the water temperature of mixed water is achieved, the quick regulation and stable output of constant-temperature water are realized, and through the accurate regulation of the overflow area of the first flow channel 102 and the overflow area of the second flow channel 103, the temperature can be accurately matched according to the user requirements, and the use experience of the user is improved.

In an alternative embodiment of the present utility model, as shown in fig. 6 to 9, the valve core 2 includes a valve rod 201 and a rotating member 202, where the valve rod 201 is connected to the rotating member 202, and the valve rod 201 is rotated to adjust the blocking area of the rotating member 202 to the first port 105 and/or the second port 106 (i.e., adjust the opening degree of the first port 105 and/or the second port 106), so as to achieve the purpose of adjusting the amount of cold water entering the mixing chamber 101 and/or the amount of hot water entering the mixing chamber 101.

Specifically, as shown in fig. 8 and 9, the rotating member 202 is plate-shaped, and the rotating member 202 has at least a first protruding portion 2021 and a second protruding portion 2022 that can seal the first port 105 and/or the second port 106, and the first protruding portion 2021 and the second protruding portion 2022 are arc-shaped to fit the first port 105 and the second port 106. The position of the rotary member 202 is adjusted by rotating the valve stem 201, and thereby the positional relationship between the first and second protrusions 2021 and 2022 and the first and second ports 105 and 106 is adjusted. Such as: if the area of the first projection 2021 sealed to the first port 105 increases (i.e., if the opening degree of the first port 105 is reduced), the area of the first projection 2021 sealed to the second port 106 is reduced (i.e., if the opening degree of the second port 106 is increased); the area of the second projection 2022 that closes the first port 105 decreases (i.e., the opening degree of the first port 105 increases), and the area of the second projection 2022 that closes the second port 106 increases (i.e., the opening degree of the second port 106 decreases); the first port 105 and the second port 106 may also be plugged by the first boss 2021 and the second boss 2022, respectively (i.e., the first port 105 and the second port 106 are simultaneously in a fully plugged state).

Further, as shown in fig. 7 to 9, the valve core 2 further includes a fixing member 203, the fixing member 203 is plate-shaped, the fixing member 203 and the rotating member 202 are stacked, as shown in fig. 7, the fixing member 203 is stacked below the rotating member 202, the top surface of the fixing member 203 is closely attached to the bottom surface of the rotating member 202, at least a first through hole 2031, a second through hole 2032 and a third through hole (not shown) are provided in the fixing member 203, the first through hole 2031 is communicated with the first port 105, the second through hole 2032 is communicated with the second port 106, and the third through hole is communicated with the third port 107.

Further, as shown in fig. 6 and 7, the valve core 2 further includes a housing 204, the fixing member 203 is fixedly disposed in the housing 204, the rotating member 202 is rotatably disposed in the housing 204 relative to the fixing member 203, one end of the valve rod 201 is connected with the rotating member 202, the other end of the valve rod 201 extends from the top of the housing 204 to the upper side of the housing 204, and a sealing ring is disposed between the valve rod 201 and the top of the housing 204. The bottom of the housing 204 is provided with at least openings communicating with the first through hole 2031, the second through hole 2032, and the third through hole, respectively, so that the first through hole 2031, the second through hole 2032, and the third through hole can communicate with the first port 105, the second port 106, and the third port 107, respectively.

Further, as shown in fig. 1, 10 and 11, the valve further includes a driving device 3, the driving device 3 is disposed outside the water mixing cavity 101, and an output end of the driving device 3 is connected with the valve rod 201, the driving device 3 and the valve core 2 are disposed along an axis direction of the valve core 2, and reliability of the driving device 3 and the valve core 2 can be improved by the manner that the driving device 3 and the valve core 2 are disposed along the axis direction of the valve core 2, so that the situation that the valve core 2 is blocked due to air trapping is avoided. The driving device 3 may be, but is not limited to, a motor, and an output shaft of the motor is connected to the valve rod 201 to drive the valve rod 201 to rotate by the motor.

In an alternative embodiment of the present utility model, as shown in fig. 3 and 5, the flowing direction of the third port 107 (the direction from the water mixing cavity 101 to the third flow channel 104) forms a third preset included angle with the flowing direction of the first port 105 (the direction of water inflow into the water mixing cavity 101) and/or the flowing direction of the second port 106 (the direction of water inflow into the water mixing cavity 101), so that the flowing distance of water flow in the water mixing cavity 101 can be prolonged, the sufficient mixing of cold water and hot water can be ensured, the accuracy of water temperature adjustment can be improved, and good use experience of users can be ensured.

Specifically, as shown in fig. 2 to 5, since the first port 105, the second port 106 and the third port 107 are all located on the same wall surface of the water mixing chamber, the first port 105 and the second port 106 supply water into the water mixing chamber 101 in the same direction, and the mixed water is output from the third port 107 in the opposite direction, and the third preset included angle is 180 °.

In an alternative embodiment of the utility model, at least two of at least a portion of the first flow passage 102, at least a portion of the second flow passage 103, and at least a portion of the third flow passage 104 are staggered. Specifically, at least the third flow passage 104 is staggered with the first flow passage 102 and the second flow passage 103 in the horizontal direction, at least part of the third flow passage 104 is staggered with at least part of the first flow passage 102 and at least part of the second flow passage 103 in the vertical direction (i.e. the height direction), so that the positions of the first flow passage 102, the second flow passage 103 and the third flow passage 104 are reasonably distributed, the purpose of reducing the volume is achieved, and the valve is easier to assemble and has better applicability.

In an alternative embodiment of the present utility model, as shown in fig. 1 to 5, the valve body 1 is provided with at least a cold water inlet 108, a cold water outlet 109, a hot water inlet 110 and a mixed water outlet 111, wherein the cold water inlet 108 and the cold water outlet 109 are respectively communicated with the first flow passage 102, and the cold water outlet 109 is positioned downstream of the cold water inlet 108 along the flow direction of cold water; the hot water inlet 110 is in communication with the second flow passage 103; the mixed water outlet 111 communicates with the third flow passage 104.

The valve of the utility model has the characteristics and advantages that:

1. the valve can accurately adjust the overflow area of the first flow channel 102 and/or the overflow area of the second flow channel 103 through the arrangement of the valve core 2, the purpose of accurately adjusting the water temperature of mixed water is achieved, the quick adjustment and stable output of constant-temperature water are realized, the temperature can be accurately matched according to the user requirement through accurately saving the overflow area of the first flow channel 102 and/or the overflow area of the second flow channel 103, and the use experience of a user is improved.

2. In the valve, the first flow channel 102 comprises a first bending part 1021, the second flow channel 103 comprises a second bending part 1031, the third flow channel 104 comprises a third bending part 1041, and through the arrangement of the bending parts, certain slow flow effects can be respectively achieved on water flows of the first flow channel 102, the second flow channel 103 and the third flow channel 104, so that cold water and hot water which enter the water mixing cavity 101 are fully mixed, stability of warm water output can be improved, and use experience of a user is improved.

3. In this valve, the first temperature detecting element 4 is provided in the third flow passage 104 downstream of the third bending portion 1041, and the temperature of the mixed hot water can be accurately detected by the first temperature detecting element 4, so that the constant temperature effect is ensured, and the occurrence of inaccurate temperature detection is avoided.

4. In the valve, a horizontal arrangement mode is adopted between the driving device 3 for driving the valve core 2 to act and the valve core 2, so that the reliability of the driving device 3 and the valve core 2 can be improved, the condition that the valve core 2 is blocked due to trapped air is avoided, and the valve is ensured to be in a long-term and stable working state.

As shown in fig. 10 and 11, the present utility model provides a water heater including the valve 1000, wherein the valve 1000 is disposed on a waterway connected to an inner cavity of the water heater.

In an alternative embodiment of the present utility model, as shown in fig. 10 and 11, the hot water inlet 110 of the valve 1000 is connected to the water outlet 4000 of the water heater sequentially through the second flow passage 103 and the hot water pipe 2000 of the valve 1000, so that the hot water inlet 110 of the valve 1000 is connected to the inner cavity of the water heater, the cold water outlet 109 of the valve is connected to the water inlet 5000 of the water heater sequentially through at least part of the first flow passage 102 and the cold water pipe 3000 of the valve 1000, so that the cold water outlet 109 is connected to the inner cavity of the water heater, the cold water inlet 108 of the valve 1000 is connected to the tap water sequentially through the first flow passage 102 and the water inlet pipe of the valve 1000, and the mixed water outlet 111 of the valve 1000 is connected to the water terminal sequentially through the third flow passage 104 and the water supply pipe of the valve 1000. Cold water flows in from the cold water inlet 108 of the valve 1000, part of cold water flows into the inner container of the water heater sequentially through the cold water outlet 109 of the valve, the cold water pipeline 3000 and the water inlet of the water heater, cold water in the inner container presses out hot water in the inner container and sequentially flows into the valve 1000 through the water outlet of the water heater, the hot water pipeline 2000 and the hot water inlet 110 of the valve 1000, hot water in the valve 1000 and the other part of cold water are fully mixed in the water mixing cavity 101, and mixed warm water is sequentially output through the water mixing outlet 111 of the valve 1000, the water supply pipeline and the water tail end for a user to use, so that the purpose of stably providing constant temperature water for the user is achieved.

In an alternative embodiment of the present utility model, as shown in fig. 10 and 11, the valve 1000 further includes a driving device 3, and the driving device 3 and the valve core 2 are arranged along a horizontal direction on the whole machine, so that reliability of the driving device 3 and the valve core 2 can be improved, and the situation that the valve core 2 is blocked due to air trapping is avoided. Wherein the driving means 3 may be, but is not limited to, a motor,

the foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.

Claims

1. A valve, comprising:

the valve body is internally provided with a water mixing cavity;

2. The valve of claim 1, wherein the valve is configured to,

the third flow passage is used for outputting the warm water.

3. A valve as claimed in claim 1 or claim 2, wherein the valve body has a first port, a second port and a third port,

4. A valve according to claim 3, wherein the first flow passage comprises at least a first bend, the flow direction of the first port being at a first predetermined angle to the flow direction of the first flow passage portion downstream of the first bend;

5. The valve of claim 4, wherein the first predetermined angle and/or the second predetermined angle is 90 °.

6. A valve according to claim 3, wherein the third flow passage comprises at least a third bend, the third port having a different flow direction than the flow direction of the third flow passage portion downstream of the third bend.

7. A valve according to claim 3, wherein the valve element adjusts the opening degree of the first port and/or the opening degree of the second port to adjust the flow area of the first flow passage and/or the flow area of the second flow passage.

8. The valve of claim 7, wherein the valve cartridge comprises a valve stem and a rotating member, the valve stem being coupled to the rotating member, rotating the valve stem to adjust the sealing area of the rotating member to the first port and/or the second port.

9. The valve of claim 8, wherein the valve cartridge further comprises a fixture stacked with the rotating member, the fixture having first, second, and third through holes in communication with the first, second, and third ports, respectively.

10. The valve of claim 8, further comprising a driver, an output of the driver being coupled to the valve stem, the driver being disposed between the driver and the valve spool in an axial direction of the valve spool.

11. A valve according to claim 3, wherein the direction of flow through the third port is at a third predetermined angle to the direction of flow through the first port and/or the direction of flow through the second port.

12. The valve of claim 11, wherein the third predetermined included angle is 180 °.

13. The valve of claim 6, wherein the third flow path portions upstream and downstream of the third bend have different flow directions, the third flow path portion downstream of the third bend being provided with a first temperature sensing element.

14. A valve according to claim 1 or 2, wherein the first and second flow passages are provided with a second and third temperature sensing element, respectively.

15. The valve of claim 1 or 2, wherein at least two of at least a portion of the first flow passage, at least a portion of the second flow passage, and at least a portion of the third flow passage are staggered.

16. A valve as claimed in claim 1 or 2, wherein the valve body has at least a cold water inlet, a cold water outlet, a hot water inlet and a mixed water outlet,

the hot water inlet is communicated with the second flow passage;

the water mixing outlet is communicated with the third flow passage.

17. A water heater comprising a valve as claimed in any one of claims 1 to 16 disposed on a waterway connected to an internal cavity of the water heater.

18. The water heater as recited in claim 17 wherein the hot water inlet of the valve is adapted to be connected to the interior of the water heater sequentially through the second flow passage and the hot water line of the valve, the cold water outlet of the valve is adapted to be connected to the interior of the water heater sequentially through at least a portion of the first flow passage and the cold water line of the valve, the cold water inlet of the valve is adapted to be connected to tap water sequentially through the first flow passage and the water line of the valve, and the mixed water outlet of the valve is adapted to be connected to the water terminal sequentially through the third flow passage and the water line of the valve.

19. The water heater as recited in claim 17 wherein the valve further comprises a drive means disposed horizontally between the drive means and the valve core.