CN212986130U

CN212986130U - Split type double-switch thermostatic valve

Info

Publication number: CN212986130U
Application number: CN202021369292.3U
Authority: CN
Inventors: 林仙明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-16
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a split type double-switch thermostatic valve, which comprises a double-switch valve body and a thermostatic valve body, a double-switch valve core and a thermostatic valve core assembly, wherein the front side of the double-switch valve body is provided with a double-switch valve core cavity, the lower part of the double-switch valve core cavity is provided with a water inlet flow passage I, a water inlet flow passage II, a water outlet flow passage I and a water outlet flow passage II, the outer ends of the water inlet flow passage I and the water inlet flow passage II are provided with filter cavities, filter screens are arranged in the filter cavities, the side surfaces of the filter cavities are provided with water inlet connecting seats communicated with the filter cavities, the bottom surfaces of the, the constant temperature valve body is internally provided with a constant temperature valve core cavity, the upper end of the constant temperature valve body is provided with a water inlet flow passage III and a water inlet flow passage IV, one end part of the water outlet flow passage is inserted into the water inlet flow passage III, and the other end part of the water outlet flow passage is inserted into the water inlet flow passage IV. According to the thermostatic valve, the valve body is arranged in a split mode, the valve body is convenient to machine and assemble, the wall thickness is uniform, and deformation is not easy to occur.

Description

Split type double-switch thermostatic valve

Technical Field

The utility model relates to a thermostatic valve, in particular to split type two switch thermostatic valves.

Background

The double-control thermostatic valve can control the water outlet flow and the water outlet temperature at the same time. Cold water and hot water enter the thermostatic valve, firstly pass through the double-switch valve core, the double-switch valve core synchronously controls the flow of two water paths of cold water and hot water, the flow of cold water is increased, the flow of hot water is also increased, the flow of cold water is reduced, the flow of hot water is also reduced, and the thermostatic valve has the function of completely cutting off water flow. The cold water and the hot water respectively flow into the thermostatic valve core after the flow of the cold water and the hot water is regulated by the double-switch valve core, and the temperature of the outlet water is regulated by the thermostatic valve core.

Chinese patent No. 201220231053.0 discloses a two switch thermostatic valves of valve body integral type structure, and a plurality of runners have been seted up to this thermostatic valve's valve body formula structure as an organic whole in the valve body, need set up many plugs in the mould and be used for forming the runner, take out the plug again after the completion of moulding plastics, and the mould design is comparatively troublesome. In addition, the valve body inner flow channels H1, L1 and H, L at the lower part of the valve core cavity of the valve body are divided into two layers, the end parts of the flow channels can be overlapped, the wall thickness of the position where the valve body is located is large, the position where the valve body is located after injection molding is enabled to be uneven in cooling speed, the whole valve body can deform, and the sealing performance of the double-switch valve core is affected.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a split type two switch constant temperature valves, the valve body adopts the components of a whole that can function independently setting, and processing equipment is convenient, and the wall thickness is even, is difficult for taking place to warp.

The above technical purpose of the present invention can be achieved by the following technical solutions: a split type double-switch thermostatic valve comprises a valve body, a double-switch valve core and a thermostatic valve core assembly, wherein the valve body comprises a double-switch valve body and a thermostatic valve body, a double-switch valve core cavity is formed in the front of the double-switch valve body, a water inlet flow passage I and a water inlet flow passage II are arranged at the lower part of the double-switch valve core cavity, the constant temperature valve comprises a first water outlet flow channel and a second water outlet flow channel, filter cavities are arranged at the outer ends of the first water inlet flow channel and the second water inlet flow channel, filter screens are arranged in the filter cavities, a water inlet connecting seat communicated with the filter cavities is arranged on the side face of each filter cavity, communication holes communicated with the first water inlet flow channel, the second water inlet flow channel, the first water outlet flow channel and the second water outlet flow channel are respectively arranged on the bottom faces of valve core cavities of the double switches, a constant temperature valve core cavity is formed in a constant temperature valve body, a third water inlet flow channel and a fourth water inlet flow channel are arranged at the upper end of the constant temperature valve body, one end part of the water outlet flow channel.

Through above-mentioned technical scheme, the valve body includes two switch valve bodies and thermostatic valve body, and both accomplish the connection through pegging graft, and it is comparatively convenient to assemble. Meanwhile, the valve body integrated originally is divided into two layers, so that the runners cannot be overlapped, and the problem that the wall thickness of a certain position of the valve body is increased due to the overlapping of the runners, and the processing precision is influenced can be avoided. After the valve body is arranged in a split mode, the valve body is more convenient to process, and the core rod is simpler to pull out. And set up the filter chamber in inlet channel one and inlet channel two outer ends for rivers pass through earlier through filtering before entering into two switch case chambeies, improve the cleanliness factor of rivers, reduce the condition emergence of thermostatic valve core jamming.

Preferably, the double-switch valve body is provided with a first connecting plate, the thermostatic valve body is provided with a second connecting plate, and the first connecting plate and the two ends of the first connecting plate are overlapped and connected through screws.

Through the technical scheme, the connection between the thermostatic valve body and the double-control valve body can be conveniently realized through the arrangement of the first connecting plate and the second connecting plate, and the thermostatic valve body and the double-control valve body are integrally stable after being connected.

Preferably, the filter screen is an annular filter screen, the inner end surface of the annular filter screen is abutted to the bottom surface of the filter cavity, a plug is installed at the opening of the filter cavity, and the outer end of the filter screen is abutted to the inner wall of the plug.

Through above-mentioned technical scheme, annular filter screen has great filter area, and when filtering rivers, the water resistance is less, can increase the cleaning cycle simultaneously, reduces and washs the number of times.

Preferably, the bottom of the filter cavity is provided with a convex ring, and the inner end of the annular filter screen is sleeved outside the convex ring.

Through above-mentioned technical scheme, annular filter screen inner can obtain better fixed and location.

Preferably, a groove is formed in the plug, and the outer end of the annular filter screen is inserted into the groove.

Through above-mentioned technical scheme, the annular filter screen outer end can obtain better fixed.

Preferably, the thermostatic valve core assembly comprises a return spring, a temperature sensing element, a sliding sleeve, a temperature adjusting sliding block, a handle and a fixed seat, the handle and the temperature adjusting sliding block are installed in the fixed seat, and the fixed seat is installed at the end part of the thermostatic valve core cavity.

Through above-mentioned technical scheme, use thermostatic cartridge subassembly for using the thermostatic cartridge that the equipment is good, the cost is lower, and the volume that simultaneously accounts for is littleer for the required volume reduction of valve body.

Preferably, the thermostatic valve body is provided with a water mixing cavity, the water mixing cavity is communicated with the bottom of the thermostatic valve core cavity, and the thermostatic valve body is further provided with a water outlet flow passage III communicated with the water mixing cavity.

Through above-mentioned technical scheme, the setting up of mixing the water chamber makes behind the cold and hot water outflow thermostatic cartridge chamber, can enter into and mix the water intracavity and carry out further mixture to make leaving water temperature more even.

Preferably, the axes of the water inlet channel I, the water inlet channel II, the water outlet channel I and the water outlet channel II are positioned on the same plane, the water inlet channel I and the water inlet channel II are transversely arranged, and the water outlet channel I and the water outlet channel II are longitudinally arranged.

Through the technical scheme, the water inlet flow channel I and the water inlet flow channel II are arranged, so that the valve body is more convenient to core, the structure of the mold can be simplified, and the cost of the mold is reduced.

Compared with the prior art, the beneficial effects of the utility model are that: through with the valve body components of a whole that can function independently setting, simplify the processing of valve body, reduce the processing cost, improve the machining precision of valve body simultaneously. In addition, set up the filter chamber on the double-switch valve body, filter the cold water and the hot water that enter into in the valve body, take place the jamming when avoiding the thermostatic cartridge subassembly to adjust the temperature.

Drawings

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is an exploded view of the embodiment;

FIG. 3 is a perspective view of the valve body portion of the dual switch of the embodiment;

FIG. 4 is a schematic cross-sectional view of a valve body portion of a dual switch in an embodiment;

fig. 5 is a schematic cross-sectional view of a thermostatic valve body portion in an embodiment.

Reference numerals: 1. a valve body; 2. a dual switch valve core; 3. a thermostatic valve core assembly; 4. a double switch valve body; 5. a thermostatic valve body; 6. a double-switch valve core cavity; 7. a first water inlet flow channel; 8. a second water inlet flow channel; 9. a first water outlet flow channel; 10. a second water outlet flow channel; 11. a filter chamber; 12. filtering with a screen; 13. a water inlet connecting seat; 14. a communicating hole; 15. a thermostatic valve core cavity; 16. a third water inlet flow channel; 17. a fourth water inlet flow channel; 18. a first connecting plate; 19. a second connecting plate; 20. a screw; 21. an annular filter screen; 22. a plug; 23. a convex ring; 24. a groove; 25. a return spring; 26. a temperature sensing element; 27. a sliding sleeve; 28. a temperature adjusting slide block; 29. a handle; 30. a fixed seat; 31. a water mixing cavity; 32. a third water outlet flow channel; 33. a water inlet joint; 34. a water outlet joint; 35. and (5) pressing a ring.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings.

The present embodiment is only for explaining the invention, and it is not limited to the invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the invention.

As shown in fig. 1 and 2, a split type double-switch thermostatic valve comprises a valve body 1, wherein the valve body 1 comprises a double-switch valve body 41 and a thermostatic valve body 51 which are formed by injection molding, and the double-switch valve body 41 and the thermostatic valve body 51 are connected in an insertion mode.

As shown in fig. 3 and 4, the dual-switch valve body 41 has a dual-switch valve core cavity 6 formed in the front surface thereof, and a first water inlet flow passage 7, a second water inlet flow passage 8, a first water outlet flow passage 9 and a second water outlet flow passage 10 are formed in the dual-switch valve body 41 at the lower portion of the dual-switch valve core cavity 6. The first water inlet channel 7 and the second water inlet channel 8 are respectively located on the left side and the right side of the upper side of the double-switch valve core cavity 6, the first water inlet channel 7 and the second water inlet channel 8 are transversely arranged, and openings of the first water inlet channel 7 and the second water inlet channel 8 face the outer side of the double-switch valve body 41. The first water outlet flow passage 9 and the second water outlet flow passage 10 are located at the lower side of the double-switch valve body 41 and are arranged along the longitudinal direction, and the end parts of the first water outlet flow passage 9 and the second water outlet flow passage 10 face the thermostatic valve body 51. The bottom of the double-switch valve core cavity 6 is provided with four communicating holes 14, and the four communicating holes 14 are perpendicular to the bottom surface of the double-switch valve core cavity 6 and are respectively communicated with the inner end of the first water inlet flow channel 7, the inner end of the second water inlet flow channel 8, the inner end of the first water outlet flow channel 9 and the inner end of the second water outlet flow channel 10.

And the outer ends of the first water inlet flow passage 7 and the second water inlet flow passage 8 are provided with a filter cavity 11, and a filter screen 12 is arranged in the filter cavity 11 and used for filtering the inlet water. The filter screen 12 is an annular filter screen 21, the bottom of the filter cavity 11 is provided with a convex ring 23, and the inner end of the annular filter screen 21 is sleeved on the convex ring 23 and is abutted against the bottom surface of the filter cavity 11. The opening of the outer end of the filter cavity 11 is provided with threads and is provided with a plug 22. A groove 24 is formed in the plug 22, the outer end of the annular filter screen 21 is inserted into the groove 24, and the outer surface of the annular filter screen 21 is abutted against the side wall of the groove 24.

The side of the filter cavity 11 is provided with a water inlet connecting seat 13, and the water inlet connecting seat 13 is arranged perpendicular to the filter cavity 11. The axis of the water inlet connecting seat 13 is positioned on the same plane with the axis of the water inlet flow passage I7 and the axis of the water inlet flow passage II 8. The end of the water inlet connecting base 13 is connected with a water inlet joint 33 for connecting with an external water supply pipeline.

The double-switch valve core 2 is installed in the double-switch valve core 2 cavity, a pressing ring is fixed at the opening of the double-switch valve core 2 cavity through threads, and the pressing ring fixes the double-switch valve core 2 in the double-switch valve core 2 cavity.

As shown in fig. 5, a thermostatic valve core chamber 15 is formed in the thermostatic valve body 51, a water inlet flow channel three 16 and a water inlet flow channel four 17 are arranged on the upper side of the thermostatic valve core chamber 15, and the water inlet flow channel three 16 and the water inlet flow channel four 17 are communicated with the thermostatic valve core chamber 15. And the axes of the third inlet channel 16 and the fourth inlet channel 17 are on the same plane with the axis of the thermostatic valve core cavity 15 and are vertical to the axis of the thermostatic valve core cavity 15. The thermostatic spool assembly 3 is installed in the thermostatic spool cavity 15, and the thermostatic spool assembly 3 comprises a return spring 25, a temperature sensing element 26, a sliding sleeve 27, a temperature adjusting slide block 28, a handle 29 and a fixed seat 30. The handle 29 and the temperature adjusting slide block 28 are fixed in the fixed seat 30 and are in transmission connection through threads. When the handle 29 rotates, the temperature adjusting slide block 28 is driven to slide along the axis of the valve core, and the set outlet water temperature is changed.

Still be provided with in the thermostatic valve body 51 and mix the water chamber 31, mix water chamber 31 and thermostatic valve core chamber 15 bottom intercommunication, the rivers of thermostatic valve core chamber 15 bottom enter into and mix the water chamber 31 in and carry out further mixing to make the temperature everywhere of mixing water more even. The axis of the water mixing cavity 31 and the axis of the thermostatic valve core cavity 15 are in the same plane and parallel. The thermostatic valve body 51 is also provided with a third water outlet flow passage 32 communicated with the water mixing cavity 31, and the third water outlet flow passage 32 is vertical to the mixed water cavity. The end of the water outlet flow passage three 32 is connected with a water outlet joint 34.

The first connecting plate 18 is arranged on the double-switch valve body 41, the second connecting plate 19 is arranged on the thermostatic valve body 51, the first connecting plate 18 and the second connecting plate 19 are overlapped in end portions, and the end portions of the first connecting plate 18 and the second connecting plate 19 are connected through the screw 20, so that the double-switch valve body 41 and the thermostatic valve body 51 are fixed together.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides a split type double-switch thermostatic valve, includes valve body (1), double-switch case (2) and thermostatic cartridge subassembly (3), characterized by: the valve body (1) comprises a double-switch valve body (1) and a thermostatic valve body (1), a double-switch valve core cavity (6) is arranged on the front side of the double-switch valve body (1), a water inlet flow passage I (7), a water inlet flow passage II (8), a water outlet flow passage I (9) and a water outlet flow passage II (10) are arranged on the lower portion of the double-switch valve core cavity (6), a filter cavity (11) is arranged at the outer ends of the water inlet flow passage I (7) and the water inlet flow passage II (8), a filter screen (12) is arranged in the filter cavity (11), a water inlet connecting seat (13) communicated with the filter cavity (11) is arranged on the side surface of the filter cavity (11), a water inlet flow passage I (7), the water inlet flow passage II (8), the water outlet flow passage I (9) and a water outlet flow passage II (10) are respectively communicated with the bottom surface of the double-switch valve core cavity (6), a thermostatic valve core cavity (15) is arranged in the thermostatic valve, the end part of the first water outlet flow passage (9) is inserted into the third water inlet flow passage (16), and the end part of the second water outlet flow passage (10) is inserted into the fourth water inlet flow passage (17).

2. The split type double-switch thermostatic valve according to claim 1, characterized in that: a first connecting plate (18) is arranged on the double-switch valve body (1), a second connecting plate (19) is arranged on the thermostatic valve body (1), and the end parts of the first connecting plate (18) and the second connecting plate (19) are overlapped and connected through a screw (20).

3. The split type double-switch thermostatic valve according to claim 1, characterized in that: the filter screen (12) is an annular filter screen (21), the inner end face of the annular filter screen (21) is abutted to the bottom face of the filter cavity (11), the plug (22) is installed at the opening of the filter cavity (11), and the outer end of the filter screen (12) is abutted to the inner wall of the plug (22).

4. A split type dual-switch thermostatic valve according to claim 3, characterized in that: a convex ring (23) is arranged at the bottom of the filtering cavity (11), and the inner end of the annular filter screen (21) is sleeved outside the convex ring (23).

5. A split type dual-switch thermostatic valve according to claim 3, characterized in that: a groove (24) is arranged in the plug (22), and the outer end of the annular filter screen (21) is inserted in the groove (24).

6. The split type double-switch thermostatic valve according to claim 1, characterized in that: the thermostatic valve core assembly (3) comprises a return spring (25), a temperature sensing element (26), a sliding sleeve (27), a temperature adjusting sliding block (28), a handle (29) and a fixed seat (30), wherein the handle (29) and the temperature adjusting sliding block (28) are installed in the fixed seat (30), and the fixed seat (30) is installed at the end part of the thermostatic valve core cavity (15).

7. The split type double-switch thermostat valve according to claim 6, characterized in that: the thermostatic valve body (1) is provided with a water mixing cavity (31), the water mixing cavity (31) is communicated with the bottom of the thermostatic valve core cavity (15), and the thermostatic valve body (1) is also provided with a water outlet flow channel III (32) communicated with the water mixing cavity (31).

8. The split type double-switch thermostat valve according to claim 6, characterized in that: the axes of the water inlet flow channel I (7), the water inlet flow channel II (8), the water outlet flow channel I (9) and the water outlet flow channel II (10) are positioned on the same plane, the water inlet flow channel I (7) and the water inlet flow channel II (8) are transversely arranged, the water outlet flow channel I (9) and the water outlet flow channel II (10) are longitudinally arranged, and the water inlet connecting seat (13) is arranged perpendicular to the filter cavity (11).