CN220037515U

CN220037515U - Thermostatic valve

Info

Publication number: CN220037515U
Application number: CN202320792600.0U
Authority: CN
Inventors: 张剑飞; 邱瑾一; 王飞; 马锦铭; 王建飞
Original assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd; Wuhan Haier Water Heater Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd; Wuhan Haier Water Heater Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-11-17
Anticipated expiration: 2033-04-11

Abstract

The utility model belongs to the technical field of thermostatic valves, and discloses a thermostatic valve which comprises a cold water joint assembly, a water outlet mixed flow assembly and a regulating valve assembly; the cold water joint is connected with the first communication pipe, the first filter screen is connected with the cleaning joint, the cleaning joint is detachably connected with the cold water joint, and the first filter screen is arranged in the cold water joint through the cleaning joint; the water inlet three-way joint and the water outlet three-way joint are respectively and detachably connected to a water inlet and a water outlet of the water heater, the water outlet mixed flow assembly is provided with at least one second filter screen, the second filter screen is arranged in the water inlet three-way joint to filter water inlet of the water heater, and/or the second filter screen is arranged in the water outlet three-way joint to filter water outlet of the water heater. The first filter screen of the thermostatic valve is easy to detach and replace, and can be used for carrying out multiple filtration on water inlet or water outlet of the water heater, so that the blockage caused by accumulation of impurities in the joint and the pipeline is avoided, the filtration effect is reliable, and the service life is prolonged.

Description

Thermostatic valve

Technical Field

The utility model relates to the technical field of thermostatic valves, in particular to a thermostatic valve.

Background

The constant temperature valve is also called a bath constant temperature tap, is a water temperature regulating valve applied to a water heater, replaces a common cold and hot regulating water valve, solves the problems of sudden cold and sudden heat of water temperature and difficult regulation caused by rapid pressure change and rapid temperature change in the bath process, and has the advantages of convenient regulation, small volume and the like. After the constant temperature valve mixes the inlet water of tap water and the outlet water of the water heater, the tap water contains more impurities, so that the pipelines and joints in the constant temperature valve are easy to be blocked, and the use feeling of a user is influenced. The existing part of thermostatic valve can be provided with a filter screen at the water inlet of tap water to filter tap water, but the filtering mode still has the risk of blockage, on one hand, mineral substances dissolved in tap water can be separated out after heating, and unfiltered hot water can carry impurities to cause blockage of pipelines and joints; on the other hand, the filter screen installed at the water inlet is reduced in filtering capacity after long-time use, but is difficult to replace, so that the filtering effect and the service life of the thermostatic valve are affected.

Disclosure of Invention

The utility model aims to provide a thermostatic valve, a first filter screen at a cold water joint is easy to detach and replace, and meanwhile, multiple filtration is carried out on inlet water or outlet water of a water heater, so that blockage caused by accumulation of impurities in the joint and a pipeline is avoided, the filtering effect of the thermostatic valve is reliable, and the service life is prolonged.

To achieve the purpose, the utility model adopts the following technical scheme:

there is provided a thermostatic valve comprising:

the cold water joint assembly comprises a cleaning joint, a cold water joint and a first communication pipe, wherein the cold water joint is connected with the first communication pipe, a first filter screen is connected with the cleaning joint, the cold water joint is provided with a cleaning port, and the cleaning joint is detachably connected with the cold water joint so that the first filter screen is arranged in the cold water joint through the cleaning port;

the water outlet mixed flow assembly comprises a water inlet three-way joint, a water outlet three-way joint and a second communicating pipe, wherein the water inlet three-way joint and the water outlet three-way joint are respectively detachably connected to a water inlet and a water outlet of the water heater, two ends of the second communicating pipe are respectively connected with the water inlet three-way joint and the water outlet three-way joint, the second communicating pipe is communicated with the first communicating pipe through the water inlet three-way joint, the water outlet mixed flow assembly is provided with at least one second filter screen, and the second filter screen is arranged in the water inlet three-way joint so as to filter water inlet of the water heater, and/or the second filter screen is arranged in the water outlet three-way joint so as to filter water outlet of the water heater;

and the regulating valve assembly is detachably connected with the water outlet mixed flow assembly so as to mix cold water flowing through the second communicating pipe with hot water flowing through the water outlet three-way joint.

As a preferable structure of the utility model, the cleaning port is internally provided with a first thread, the cleaning joint comprises a bolt head and a bolt column which are connected with each other, the bolt column is provided with a second thread, and the second thread is in threaded connection with the first thread.

As a preferable structure of the utility model, the cold water joint comprises a cold water inlet, and the axial direction of the cold water inlet and the axial direction of the cleaning port are arranged at an included angle.

As a preferable structure of the present utility model, the first filter screen is cylindrical, one end of the first filter screen is sleeved on the cleaning joint, and the other end of the first filter screen is obliquely abutted against the inner wall of the cold water joint, so that cold water enters the first communication pipe through the side wall of the first filter screen.

As a preferred structure of the present utility model, the cold water joint assembly further includes a first sealing member, which is sleeved on the bolt post and is disposed between the bolt post and the inner wall of the cleaning port.

As a preferable structure of the utility model, the water inlet three-way joint comprises a first water inlet end, the first water inlet end is communicated with the first communication pipe and the water inlet of the water heater, and the second filter screen is connected to the inner wall of the first water inlet end.

As a preferable structure of the utility model, the water outlet three-way joint comprises a first water outlet end, the first water outlet end is communicated with the water outlet of the water heater and the second communicating pipe, and the second filter screen is connected to the inner wall of the first water outlet end.

As a preferable structure of the utility model, the water outlet mixed flow assembly further comprises a mounting bracket, wherein the mounting bracket is annular, the second filter screen is connected with the mounting bracket, and the mounting bracket is detachably connected with the water inlet three-way joint or the water outlet three-way joint.

As a preferable structure of the utility model, the water outlet mixed flow assembly further comprises a second sealing element, and the second sealing element is sleeved on the mounting bracket.

As a preferable structure of the present utility model, the thermostatic valve further includes a flow sensor, the flow sensor is disposed on the first communication pipe, and the flow sensor is communicatively connected to the regulating valve assembly.

The utility model has the beneficial effects that:

according to the thermostatic valve provided by the utility model, the first filter screen is connected with the cleaning joint, the cold water joint is provided with the cleaning port, and the cleaning joint is detachably connected with the cold water joint so that the first filter screen is arranged in the cold water joint through the cleaning port. When needs wash or change first filter screen, dismantle the washing connect can, avoid dismantling whole thermostatic valve from running water pipeline, wash and change conveniently for the filter effect of thermostatic valve is comparatively reliable. The water outlet mixed flow assembly is provided with at least one second filter screen, the water inlet three-way joint and the water outlet three-way joint can be respectively provided with one second filter screen, the second filter screen carries out secondary filtration on cold water entering the water heater, the second filter screen can also filter water outlet of the water heater, impurities carried by hot water are prevented from blocking a pipeline and the joint, the filtering effect of the thermostatic valve is further enhanced, the service life of the thermostatic valve is prolonged, and the use experience of a user is improved.

Drawings

FIG. 1 is a schematic view of a thermostatic valve according to an embodiment of the present utility model;

FIG. 2 is a top view of a structure of a thermostatic valve provided by an embodiment of the present utility model;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;

fig. 4 is a cross-sectional view taken along the direction B-B in fig. 2.

In the figure:

1. a cold water joint assembly; 11. cleaning the joint; 111. a bolt head; 112. a bolt post; 113. a second thread; 12. a cold water joint; 121. a cleaning port; 122. a first thread; 123. a cold water inlet; 13. a first communication pipe; 14. a first filter screen; 15. a first seal;

2. a water outlet mixed flow assembly; 21. a water inlet three-way joint; 211. a first water inlet end; 22. a water outlet three-way joint; 221. a first water outlet end; 222. the water inlet end of the shower head; 23. a second communicating pipe; 24. a second filter screen; 25. a mounting bracket; 26. a second seal;

3. a regulator valve assembly;

4. a flow sensor;

5. a safety valve.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a thermostatic valve including a cold water joint assembly 1, a water mixing assembly 2, and a regulating valve assembly 3. The cold water joint assembly 1 includes a cleaning joint 11, a cold water joint 12, and a first communication pipe 13, the cold water joint 12 being connected to the first communication pipe 13. The cold water joint 12 communicates with a tap water line, and introduces tap water into the first communication pipe 13. First filter 14 is connected to cleaning joint 11, and cold water joint 12 has seted up cleaning port 121, and cleaning joint 11 can dismantle the connection in cold water joint 12 so that first filter 14 sets up in cold water joint 12 through cleaning port 121. When the first filter screen 14 needs to be cleaned or replaced, the cleaning joint 11 is detached, the whole thermostatic valve is prevented from being detached from the tap water pipeline, cleaning and replacement are convenient, and the filtering effect of the thermostatic valve is reliable.

The water outlet mixed flow assembly 2 comprises a water inlet three-way joint 21, a water outlet three-way joint 22 and a second communicating pipe 23, wherein the water inlet three-way joint 21 and the water outlet three-way joint 22 are respectively detachably connected with a water inlet and a water outlet of a water heater (not shown in the figure). Two ends of the second communicating pipe 23 are respectively connected with the water inlet three-way joint 21 and the water outlet three-way joint 22, and the second communicating pipe 23 is communicated with the first communicating pipe 13 through the water inlet three-way joint 21. Cold water (namely tap water) in the first communicating pipe 13 is distributed through the water inlet three-way joint 21, part of the cold water enters the water heater through the water inlet of the water heater to be heated, and part of the cold water enters the second communicating pipe 23 to wait to be mixed. The hot water heated by the water heater flows out through the water outlet three-way joint 22 and is mixed with part of the cold water in the second communicating pipe 23.

The water outlet mixed flow assembly 2 is provided with at least one second filter screen 24, the second filter screen 24 is arranged in the water inlet three-way joint 21 so as to filter the inlet water of the water heater, and/or the second filter screen 24 is arranged in the water outlet three-way joint 22 so as to filter the outlet water of the water heater. In this embodiment, the play water mixed flow subassembly 2 is provided with two second filter screens 24, respectively sets up a second filter screen 24 in water inlet three way connection 21 and the play water three way connection 22, and second filter screen 24 carries out secondary filtration to the cold water that gets into the water heater, and filters the play water of water heater, avoids impurity jam pipeline and the joint that hot water carried, further strengthens the filter effect of thermostatic valve, and has promoted the life of thermostatic valve.

The regulating valve assembly 3 is detachably connected to the water mixing assembly 2 to mix cold water flowing through the second communication pipe 23 with hot water flowing through the water outlet three-way joint 22 so that the mixed water reaches a set temperature. The water outlet three-way joint 22 is provided with a water inlet end 222 of the shower head, and is used for being connected with the shower head (not shown in the figure), and the mixed water regulated by the regulating valve assembly 3 flows into the shower head through the water outlet three-way joint 22 for users to use. The adjusting structure of the adjusting valve assembly 3 is a prior art in the field, and this embodiment is not described herein.

In one embodiment, the cleaning port 121 is provided with a first thread 122, the cleaning joint 11 includes a bolt head 111 and a bolt post 112 connected to each other, the bolt post 112 is provided with a second thread 113, and the second thread 113 is screwed with the first thread 122. The bolt post 112 is inserted in the cleaning opening 121, and the bolt head 111 is arranged outside the cleaning opening 121, so that manual operation of a user is facilitated, and moreover, the threaded connection mode has good sealing performance and is convenient to assemble and disassemble. The user can realize the disassembly and assembly of the cleaning joint 11 by screwing the bolt head 111, and the assembly and disassembly of the first filter screen 14 are completed.

Preferably, the cold water joint 12 comprises a cold water inlet 123, and the axial direction of the cold water inlet 123 and the axial direction of the cleaning port 121 are arranged at an angle. The opening of cold water inlet 123 sets up downwards, like this, the cold water inlet 123 intercommunication tap water pipeline of being convenient for, and have the contained angle between cold water inlet 123 and the washing mouth 121, washing mouth 121 can be offered towards the direction of keeping away from first connecting pipe 13, like this, can leave the sufficient operating space of user to dismantle and wash joint 11.

Specifically, the first filter 14 is cylindrical, one end of the first filter 14 is sleeved on the cleaning joint 11, and the other end of the first filter 14 is in inclined contact with the inner wall of the cold water joint 12, so that cold water enters the first communication pipe 13 through the side wall of the first filter 14. Cold water enters the cold water joint 12 from the cold water inlet 123 and enters the cylindrical first filter screen 14, and enters the first communication pipe 13 through the side wall of the first filter screen 14, so that the first re-filtration is realized.

In one embodiment, the cold water joint assembly 1 further includes a first sealing member 15, wherein the first sealing member 15 is sleeved on the bolt post 112 and is disposed between the bolt post 112 and the inner wall of the cleaning port 121. The first sealing member 15 may be a sealing ring, which is sleeved on the bolt column 112, so as to avoid leakage caused by frequent disassembly and assembly of the cleaning joint 11.

In one embodiment, the water inlet three-way joint 21 includes a first water inlet end 211, the first water inlet end 211 is communicated with the first communication pipe 13 and a water inlet of the water heater, and the second filter screen 24 is connected to an inner wall of the first water inlet end 211. The water inlet three-way joint 21 is used as a water dividing joint, and part of cold water is led into the water inlet of the water heater after being filtered by a second filter screen 24, so that the second filtering is realized.

In one embodiment, the water outlet three-way joint 22 includes a first water outlet 221, the first water outlet 221 is communicated with the water outlet of the water heater and the second communicating pipe 23, and the second filter screen 24 is connected to the inner wall of the first water outlet 221. The water outlet three-way joint 22 is used as a water mixing joint, and the heated hot water is filtered by a second filter screen 24 and then led out of the water outlet of the water heater, so that third re-filtration is realized.

In one embodiment, the water-outlet mixed flow assembly 2 further includes a mounting bracket 25, the mounting bracket 25 is annular, the second filter screen 24 is connected to the mounting bracket 25, and the mounting bracket 25 is detachably connected to the water inlet three-way joint 21 or the water outlet three-way joint 22. The mounting bracket 25 is annular and can be firmly clamped on the inner wall of the water inlet three-way joint 21 or the inner wall of the water outlet three-way joint 22, so that the second filter screen 24 is mounted. The mounting bracket 25 has a supporting effect, and can reliably fix the second filter screen 24 in the water inlet three-way joint 21 or the water outlet three-way joint 22, so that the second filter screen 24 is prevented from shifting or falling off, and the filtering effect of the thermostatic valve is further affected.

Still further, the water mixing assembly 2 further includes a second sealing member 26, and the second sealing member 26 is sleeved on the mounting bracket 25. The second sealing member 26 may use a sealing ring which is sleeved on the second filter screen 24, so that the sealing between the mounting bracket 25 and the water inlet three-way joint 21 and the sealing between the mounting bracket 25 and the water outlet three-way joint 22 are increased, and cold water or hot water can flow through the second filter screen 24 without flowing from the side surface of the mounting bracket 25.

In one embodiment, the thermostatic valve further comprises a flow sensor 4 and a safety valve 5, and the flow sensor 4 and the safety valve 5 are both arranged on the first communication pipe 13. The flow sensor 4 is in communication connection with the regulating valve assembly 3, the flow sensor 4 is used for detecting the cold water flow in the first communication pipe 13, and transmitting detection data to the regulating valve assembly 3, so that the regulating valve assembly 3 can conveniently mix cold water and hot water according to the cold water flow and the set water temperature, and the mixed water at the water inlet end 222 of the shower head can reach a stable set temperature. The safety valve 5 is used for releasing pressure to the first communication pipe 13, and when the pressure in the first communication pipe 13 is too high, the safety valve 5 is opened, so that the working of the thermostatic valve is safe and reliable. The specific structure and working principle of the flow sensor 4 and the safety valve 5 are known in the art, and the description of this embodiment is omitted here.

In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing detailed description of the embodiments presents only a few embodiments of the present utility model, which are described in some detail and are not intended to limit the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A thermostatic valve, characterized by comprising:

the cold water joint assembly (1) comprises a cleaning joint (11), a cold water joint (12) and a first communication pipe (13), wherein the cold water joint (12) is connected with the first communication pipe (13), a first filter screen (14) is connected with the cleaning joint (11), the cold water joint (12) is provided with a cleaning port (121), and the cleaning joint (11) is detachably connected with the cold water joint (12) so that the first filter screen (14) is arranged in the cold water joint (12) through the cleaning port (121);

the water outlet mixed flow assembly (2) comprises a water inlet three-way joint (21), a water outlet three-way joint (22) and a second communicating pipe (23), wherein the water inlet three-way joint (21) and the water outlet three-way joint (22) are respectively detachably connected with a water inlet and a water outlet of the water heater, two ends of the second communicating pipe (23) are respectively connected with the water inlet three-way joint (21) and the water outlet three-way joint (22), the second communicating pipe (23) is communicated with the first communicating pipe (13) through the water inlet three-way joint (21), the water outlet mixed flow assembly (2) is provided with at least one second filter screen (24), and the second filter screen (24) is arranged in the water inlet three-way joint (21) so as to filter water inlet of the water heater, and/or the second filter screen (24) is arranged in the water outlet three-way joint (22) so as to filter water outlet of the water heater;

and the regulating valve assembly (3) is detachably connected with the water outlet mixed flow assembly (2) so as to mix cold water flowing through the second communicating pipe (23) and hot water flowing through the water outlet three-way joint (22).

2. Thermostatic valve according to claim 1, characterized in that a first thread (122) is provided in the cleaning port (121), the cleaning head (11) comprising a head (111) and a column (112) connected to each other, a second thread (113) being provided on the column (112), the second thread (113) being screwed to the first thread (122).

3. Thermostatic valve according to claim 1, characterized in that the cold water connection (12) comprises a cold water inlet (123), the axial direction of the cold water inlet (123) and the axial direction of the cleaning opening (121) being arranged at an angle.

4. A thermostatic valve according to claim 3, wherein the first filter (14) is cylindrical, one end of the first filter (14) is sleeved on the cleaning joint (11), and the other end is obliquely abutted against the inner wall of the cold water joint (12) so that cold water enters the first communication pipe (13) through the side wall of the first filter (14).

5. The thermostatic valve according to claim 2, wherein the cold water joint assembly (1) further comprises a first seal (15), the first seal (15) being sleeved on the bolt post (112) and being disposed between the bolt post (112) and the inner wall of the purge port (121).

6. The thermostatic valve according to claim 1 wherein the water inlet three-way joint (21) includes a first water inlet end (211), the first water inlet end (211) communicating with the first communication tube (13) and the water inlet of the water heater, the second filter screen (24) being connected to an inner wall of the first water inlet end (211).

7. The thermostatic valve according to claim 1 wherein the outlet three-way joint (22) includes a first outlet end (221), the first outlet end (221) communicates with the outlet of the water heater and with the second communication tube (23), and the second filter screen (24) is connected to an inner wall of the first outlet end (221).

8. The thermostatic valve according to claim 1, wherein the outlet mixing assembly (2) further comprises a mounting bracket (25), the mounting bracket (25) is annular, the second filter screen (24) is connected to the mounting bracket (25), and the mounting bracket (25) is detachably connected to the inlet three-way joint (21) or the outlet three-way joint (22).

9. The thermostatic valve according to claim 8 wherein the outlet mixing assembly (2) further includes a second seal (26), the second seal (26) being nested on the mounting bracket (25).

10. A thermostatic valve according to any one of claims 1 to 9 further comprising a flow sensor (4), the flow sensor (4) being disposed on the first communication tube (13), the flow sensor (4) being communicatively connected to the regulator valve assembly (3).