CN220037515U - A thermostatic valve - Google Patents

Abstract

The utility model belongs to the technical field of thermostatic valves and discloses a thermostatic valve, which includes a cold water joint assembly, a water mixed flow assembly and a regulating valve assembly; the cold water joint is connected to a first communication pipe, the first filter screen is connected to a cleaning joint, and the cold water joint is provided with a cleaning port, the cleaning joint can be detachably connected to the cold water joint so that the first filter screen is set in the cold water joint through the cleaning port; the water inlet tee joint and the water outlet tee joint can be detachably connected to the water inlet and outlet of the water heater respectively, and the water outlet is mixed flow The assembly is provided with at least one second filter screen. The second filter screen is provided in the water inlet tee joint to filter the water inlet of the water heater, and/or the second filter screen is provided in the water outlet tee joint to filter the water heater. The water is filtered. The first filter screen of the thermostatic valve of this utility model is easy to disassemble and replace, and performs multiple filtration on the inlet or outlet water of the water heater to avoid accumulation of impurities in joints and pipelines to cause blockage. The filtration effect is reliable and the service life is improved.

Description

A thermostatic valve

Technical field

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

Background technique

The thermostatic valve, also known as the bath thermostatic faucet, is a water temperature regulating valve used in water heaters. It replaces the ordinary hot and cold water regulating valve and solves the problem of hot and cold water caused by rapid changes in pressure and temperature during the bathing process. The problem of being difficult to adjust has the advantages of easy adjustment and compact size. The thermostatic valve mixes the incoming tap water and the outgoing water from the water heater. After long-term use, because the tap water contains more impurities, it is easy to cause the pipes and joints in the thermostatic valve to become clogged, affecting the user's experience. Some existing thermostatic valves will install a filter at the tap water inlet to filter the tap water, but this filtration method still has the risk of clogging. On the one hand, the dissolved minerals in the tap water will precipitate after heating, and the unfiltered heat will Water will carry impurities, causing pipes and joints to become clogged; on the other hand, the filter installed at the water inlet has reduced filtration capacity after long-term use, but it is difficult to replace, which in turn affects the filtration effect and service life of the thermostatic valve.

Utility model content

The purpose of this utility model is to provide a thermostatic valve. The first filter screen at the cold water joint is easy to disassemble and replace. At the same time, it performs multiple filtration on the water inlet or outlet of the water heater to avoid clogging caused by accumulation of impurities in the joints and pipelines, so that The thermostatic valve has reliable filtration effect and extended service life.

To achieve this purpose, the utility model adopts the following technical solutions:

A thermostatic valve is provided, including:

The cold water joint assembly includes a cleaning joint, a cold water joint and a first communication pipe. The cold water joint is connected to the first communication pipe. The first filter is connected to the cleaning joint. The cold water joint is provided with a cleaning port. The cleaning connector is detachably connected to the cold water connector so that the first filter screen is disposed in the cold water connector through the cleaning port;

The water outlet mixed flow assembly includes a water inlet tee joint, a water outlet tee joint and a second communication pipe. The water inlet tee joint and the water outlet tee joint are detachably connected to the water inlet and outlet of the water heater respectively. Both ends of the second communication pipe are respectively connected to the water inlet tee joint and the water outlet tee joint, and the second communication pipe is connected to the first communication pipe through the water inlet tee joint, and the water outlet The mixed flow assembly is provided with at least one second filter screen, and the second filter screen is provided in the water inlet tee joint to filter the water inlet of the water heater, and/or, the second filter screen is provided in the water outlet tee joint to filter the water outlet from the water heater;

A regulating valve assembly is detachably connected to the water outlet mixing assembly to mix the cold water flowing through the second communication pipe and the hot water flowing through the water outlet tee joint.

As a preferred structure of the present invention, a first thread is provided in the cleaning port, the cleaning joint includes a bolt head and a bolt column connected to each other, a second thread is provided on the bolt column, and the second thread Thread the first thread.

As a preferred structure of the present invention, the cold water joint includes 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 angle.

As a preferred structure of the present invention, the first filter screen is cylindrical, one end of the first filter screen is sleeved on the cleaning joint, and the other end is tilted against the inner wall of the cold water joint, so as to The cold water is allowed to enter the first communication pipe through the side wall of the first filter screen.

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

As a preferred structure of the present utility model, the water inlet tee joint includes a first water inlet end connected to the first communication pipe and the water inlet of the water heater, and the second water inlet end is connected to the water inlet of the water heater. The filter screen is connected to the inner wall of the first water inlet end.

As a preferred structure of the present utility model, the water outlet tee joint includes a first water outlet end, the first water outlet end is connected to the water outlet of the water heater and the second communication pipe, and the second filter screen is connected to on the inner wall of the first water outlet end.

As a preferred structure of the present utility model, the water outlet mixed flow assembly further includes a mounting bracket, the mounting bracket is annular, the second filter screen is connected to the mounting bracket, and the mounting bracket is detachably connected to the mounting bracket. The water inlet tee joint or the water outlet tee joint.

As a preferred structure of the present invention, the water outlet mixed flow assembly further includes a second sealing member, and the second sealing member is sleeved on the mounting bracket.

As a preferred structure of the present invention, the thermostatic valve further includes a flow sensor, the flow sensor is arranged on the first communication pipe, and the flow sensor is communicatively connected to the regulating valve assembly.

Beneficial effects of this utility model:

The utility model provides a thermostatic valve. The first filter screen is connected to a cleaning connector. The cold water connector is provided with a cleaning port. The cleaning connector is detachably connected to the cold water connector so that the first filter screen is installed in the cold water connector through the cleaning port. When it is necessary to clean or replace the first filter, just disassemble the cleaning joint, avoiding the need to disassemble the entire thermostatic valve from the tap water pipeline. Cleaning and replacement are convenient, making the filtration effect of the thermostatic valve more reliable. The water outlet mixed flow component is provided with at least one second filter screen. A second filter screen can be provided in each of the water inlet tee joint and the water outlet tee joint. The second filter screen performs secondary filtering on the cold water entering the water heater. The second filter screen It can also filter the water coming out of the water heater to prevent impurities carried by the hot water from clogging the pipes and joints, further enhancing the filtration effect of the thermostatic valve, extending the service life of the thermostatic valve, and improving the user experience.

Description of the drawings

Figure 1 is a schematic structural diagram of a thermostatic valve provided by an embodiment of the present utility model;

Figure 2 is a structural top view of the thermostatic valve provided by the embodiment of the present utility model;

Figure 3 is a cross-sectional view along the A-A direction in Figure 2;

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

In the picture:

1. Cold water joint assembly; 11. Cleaning joint; 111. Bolt head; 112. Bolt column; 113. Second thread; 12. Cold water joint; 121. Cleaning port; 122. First thread; 123. Cold water inlet; 13 , the first connecting pipe; 14. the first filter; 15. the first seal;

2. Water outlet mixed flow component; 21. Water inlet tee joint; 211. First water inlet end; 22. Water outlet tee joint; 221. First water outlet end; 222. Shower water inlet end; 23. Second connecting pipe ;24. Second filter; 25. Mounting bracket; 26. Second seal;

3. Regulating valve assembly;

4. Flow sensor;

5. Safety valve.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings and examples. It can be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for convenience of description, only some but not all structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless otherwise explicitly stipulated and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or a detachable connection. Integration; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly stipulated and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features being in direct contact with each other. Features are not in direct contact but through other features between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this embodiment, the terms "upper", "lower", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplified operation. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and have no special meaning.

As shown in Figures 1 to 4, an embodiment of the present utility model provides a thermostatic valve. The thermostatic valve includes a cold water joint assembly 1, a water outlet mixed flow 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 is connected to the first communication pipe 13 . The cold water joint 12 is connected to the tap water pipeline, and tap water is introduced into the first communication pipe 13 . The first filter 14 is connected to the cleaning connector 11 , and the cold water connector 12 is provided with a cleaning port 121 . The cleaning connector 11 is detachably connected to the cold water connector 12 so that the first filter 14 is disposed in the cold water connector 12 through the cleaning port 121 . When it is necessary to clean or replace the first filter screen 14, just disassemble the cleaning joint 11, which avoids disassembling the entire thermostatic valve from the tap water pipeline. Cleaning and replacement are convenient, making the filtration effect of the thermostatic valve more reliable.

The water outlet mixed flow assembly 2 includes a water inlet tee joint 21, a water outlet tee joint 22 and a second communication pipe 23. The water inlet tee joint 21 and the water outlet tee joint 22 are respectively detachably connected to the water heater (not shown in the figure). Water inlet and outlet. Both ends of the second communication pipe 23 are connected to the water inlet tee joint 21 and the water outlet tee joint 22 respectively, and the second communication pipe 23 is connected to the first communication pipe 13 through the water inlet tee joint 21 . The cold water (i.e. tap water) in the first communication pipe 13 is distributed through the water inlet tee joint 21. Part of the cold water enters the water heater through the water inlet of the water heater for heating, and part of the cold water enters the second communication pipe 23 to wait to be mixed. The hot water heated by the water heater flows out through the water outlet tee joint 22 and is mixed with part of the cold water in the second communication pipe 23 .

The outlet mixed flow assembly 2 is provided with at least one second filter 24. The second filter 24 is arranged in the water inlet tee joint 21 to filter the inlet water of the water heater, and/or the second filter 24 is arranged in the water outlet. In the tee joint 22, the outlet water of the water heater is filtered. In this embodiment, the water outlet mixed flow assembly 2 is provided with two second filters 24. One second filter 24 is each provided in the water inlet tee joint 21 and the water outlet tee joint 22. The second filters 24 are suitable for entering the water heater. The cold water is filtered twice, and the outlet water of the water heater is filtered to prevent impurities carried by the hot water from clogging the pipelines and joints, further enhancing the filtration effect of the thermostatic valve and extending the service life of the thermostatic valve.

The regulating valve assembly 3 is detachably connected to the water outlet mixing assembly 2 to mix the cold water flowing through the second communication pipe 23 and the hot water flowing through the outlet tee joint 22 so that the mixed water reaches a set temperature. The outlet tee joint 22 is provided with a shower inlet end 222 for connecting the shower (not shown in the figure). The mixed water adjusted by the regulating valve assembly 3 flows into the shower through the outlet tee joint 22 for use by the user. . The adjustment structure of the adjustment valve assembly 3 is a prior art in the field, and will not be described in detail in this embodiment.

In one embodiment, a first thread 122 is provided in the cleaning port 121 . The cleaning joint 11 includes a bolt head 111 and a bolt column 112 that are connected to each other. The bolt column 112 is provided with a second thread 113 , and the second thread 113 is screwed to the first thread 112 . Thread 122. The bolt column 112 is inserted in the cleaning port 121, and the bolt head 111 is set outside the cleaning port 121, which is convenient for manual operation by the user. Moreover, the threaded connection method has good sealing performance and is easy to disassemble and assemble. The user can disassemble and disassemble the cleaning joint 11 by twisting the bolt head 111 and complete the installation and disassembly of the first filter 14 .

Preferably, the cold water joint 12 includes 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 the cold water inlet 123 is set downward, so that the cold water inlet 123 can be easily connected to the tap water pipeline, and there is an included angle between the cold water inlet 123 and the cleaning port 121 , and the cleaning port 121 can be oriented away from the first communication pipe 13 This way, the user can be left with enough operating space to disassemble and assemble the cleaning joint 11.

Specifically, the first filter screen 14 is cylindrical, one end of the first filter screen 14 is sleeved on the cleaning connector 11 , and the other end is tilted against the inner wall of the cold water connector 12 so that cold water passes through the side of the first filter screen 14 The wall enters the first communication tube 13. The cold water enters the cold water joint 12 through the cold water inlet 123, enters the cylindrical first filter 14, and enters the first communication pipe 13 through the side wall of the first filter 14 to achieve the first level of filtration.

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

In one embodiment, the water inlet tee joint 21 includes a first water inlet end 211 connected to the first communication pipe 13 and the water inlet of the water heater, and the second filter screen 24 is connected to the first water inlet end 211 inner wall. The water inlet tee joint 21 serves as a water distribution joint. Part of the cold water is filtered by a second filter 24 and then introduced into the water inlet of the water heater to achieve the second level of filtration.

In one embodiment, the water outlet tee joint 22 includes a first water outlet end 221 , which is connected to the water outlet of the water heater and the second communication pipe 23 . The second filter screen 24 is connected to the inner wall of the first water outlet end 221 . The water outlet tee joint 22 serves as a water mixing joint, and the heated hot water is filtered through a second filter 24 and then led out of the water outlet of the water heater to achieve the third level of filtration.

In one embodiment, the water outlet mixed flow assembly 2 also includes a mounting bracket 25. The mounting bracket 25 is annular. The second filter screen 24 is connected to the mounting bracket 25. The mounting bracket 25 is detachably connected to the water inlet tee joint 21 or the water outlet tee joint. twenty two. Since the mounting bracket 25 is annular, it can be firmly clamped on the inner wall of the water inlet tee joint 21 or the inner wall of the water outlet tee joint 22, thereby realizing the installation of the second filter screen 24. The installation bracket 25 has a supporting effect and can reliably fix the second filter screen 24 in the water inlet tee joint 21 or the water outlet tee joint 22 to prevent the second filter screen 24 from shifting or falling off, thereby affecting the filtration effect of the thermostatic valve. .

Furthermore, the water outlet mixed flow assembly 2 also includes a second sealing member 26 , and the second sealing member 26 is sleeved on the mounting bracket 25 . The second sealing member 26 can use a sealing ring, and the sealing ring is set on the second filter screen 24, thereby increasing the sealing between the installation bracket 25 and the water inlet tee joint 21 and between the installation bracket 25 and the water outlet tee joint 22. It is ensured that cold water or hot water flows through the second filter screen 24 and does not flow from the side of the mounting bracket 25 .

In one embodiment, the thermostatic valve further includes a flow sensor 4 and a safety valve 5 . The flow sensor 4 and the safety valve 5 are both disposed on the first communication pipe 13 . The flow sensor 4 is communicatively connected to the regulating valve assembly 3. The flow sensor 4 is used to detect the cold water flow in the first communication pipe 13, and transmits the detection data to the regulating valve assembly 3, so that the regulating valve assembly 3 can adjust the flow rate of the cold water according to the cold water flow and the set value. According to the water temperature, cold water and hot water are mixed so that the mixed water at the shower inlet end 222 reaches a stable set temperature. The safety valve 5 is used to relieve the pressure of the first communication pipe 13. When the pressure in the first communication pipe 13 is too high, just open the safety valve 5, so that the thermostatic valve works safely and reliably. The specific structure and working principle of the flow sensor 4 and the safety valve 5 are existing technologies in the field, and will not be described in detail here in this embodiment.

In the specific content of the above-mentioned specific embodiments, each technical feature can be combined in any non-contradictory combination. To make the description concise, not all possible combinations of the above-mentioned technical features are described. However, as long as the combination of these technical features does not exist, Any conflicts should be considered to be within the scope of this manual.

The specific content of the above-mentioned specific embodiments only expresses several embodiments of the present utility model. The description is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present utility model. It should be noted that for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present utility model, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the utility model patent should be determined by the appended claims.

Claims (10)

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).