CN220792149U

CN220792149U - Single-handle double-control constant-temperature valve core

Info

Publication number: CN220792149U
Application number: CN202322185383.1U
Authority: CN
Inventors: 林华青; 郑敏
Original assignee: Taizhou Zhonglin Intelligent Sanitary Ware Technology Co ltd
Current assignee: Taizhou Zhonglin Intelligent Sanitary Ware Technology Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-16
Anticipated expiration: 2033-08-15

Abstract

The utility model provides a single-handle double-control constant temperature valve core, which comprises a handle seat and a lower shell which are in threaded connection, wherein a temperature adjusting assembly is arranged on the handle seat, a hot water inlet, a cold water inlet and a mixed water outlet are arranged on the lower shell along the axial direction, a plunger, a core rod and a core rod spring are arranged in the lower shell, a cover body in transmission connection with the temperature adjusting assembly is arranged in the handle seat, a cover body sealing ring is arranged on one side of the mixed water outlet in the lower shell, and the cover body has a closed water level of which the lower end surface is attached to the cover body sealing ring after moving. The utility model provides a single-handle double-control constant-temperature valve core, which directly closes the water outlet of mixed water through transmission, has fast closing action, is convenient to use and improves the use safety.

Description

Single-handle double-control constant-temperature valve core

Technical Field

The utility model relates to the technical field of bathroom equipment, in particular to a single-handle double-control constant-temperature valve core.

Background

The constant temperature faucet is favored by modern people because of the convenience in water temperature adjustment. The prior thermostatic valve core is classified into a single-handle single-control type and a single-handle double-control type according to functions, the utility model patent CN217381741U discloses a single-handle double-control thermostatic valve core, which structurally comprises an upper valve body and a lower valve body which are connected, a double-control hand wheel is arranged in the upper valve body, a connecting seat, a reset spring, a soft sealing plunger and a temperature sensing component are sequentially arranged in the lower valve body from top to bottom, a cold water inlet and a hot water inlet are respectively arranged on the peripheral wall of the lower valve body, which are positioned above and below the soft sealing plunger, the connecting seat is matched with the lower end of the double-control hand wheel and driven by the double-control hand wheel to axially move along the inner part of the upper valve body, a sealing groove is arranged on the peripheral wall at the lower end of the connecting seat, and a sealing ring I is arranged in the sealing groove.

Said utility model is implemented by gradually closing cold water inlet and hot water inlet when the tap is closed, and its use is not convenient enough and safety is not good enough.

Disclosure of Invention

In order to make up the defects in the prior art, the utility model provides the single-handle double-control constant temperature valve core, which directly closes the mixed water outlet water through transmission, has fast closing action, is convenient to use and improves the use safety.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a two accuse constant temperature case of single handle, includes threaded connection's handle seat and lower casing, be equipped with the subassembly that adjusts the temperature on the handle seat, the lower casing is equipped with hot water inlet, cold water inlet and mixed water delivery port along the axial, be equipped with plunger, plug and plug spring in the lower casing, be equipped with in the handle seat with the cover body that the subassembly transmission that adjusts the temperature is connected, be located in the lower casing mixed water delivery port one side is equipped with the cover body sealing washer, the cover body has its lower terminal surface after removing with the closed water level that the cover body sealing washer laminated mutually.

Further, a gland is connected between the mixed water outlet and the cold water inlet in the lower shell through a stud, a convex edge is arranged on the outer wall of the gland, and the cover sealing ring is arranged on the convex edge.

Further, the plunger comprises a first piston part, a second piston part and a sleeving part which are connected from bottom to top, the first piston part is in dynamic sealing connection with the hot water inlet and the cold water inlet, the second piston part is in dynamic sealing connection with the inner cavity of the gland, the sleeving part is sleeved with the core rod, the first piston part is provided with an axial first water passing hole, and the sleeving part is provided with a radial second water passing hole.

Further, the first piston part is provided with an upper edge, and the plunger is provided with a cold water closing position where the upper edge is attached to the lower end face of the gland after being moved upwards; the inner side of the hot water inlet is provided with an inner edge, and the plunger is provided with a hot water closing position, wherein the hot water closing position is formed by the lower end face of the first piston part and the inner edge in a fitting mode after the plunger moves downwards.

Further, a first sealing ring is arranged on the outer wall of the first piston part; and a second sealing ring is arranged on the outer wall of the second piston part.

Further, a boss is arranged on one side of the handle seat.

Further, the temperature adjusting assembly comprises a handle, a stud spring and a jacking column, wherein the handle is rotationally connected to the top of the handle seat, the cover body is in threaded connection with the outer wall of the lower portion of the handle, the stud is arranged in the inner cavity of the lower portion of the handle, the stud spring and the jacking column are arranged in the inner cavity of the stud from inside to outside, and the top of the core rod is in clamping connection with the jacking column.

Compared with the prior art, the utility model has the following beneficial technical effects:

according to the single-handle double-control constant-temperature valve core, the cover body can be moved to be attached to the cover body sealing ring through the transmission of the temperature adjusting assembly, so that the mixed water outlet is directly closed, and the use convenience and safety are greatly improved.

Drawings

FIG. 1 is a cross-sectional view of a single-handle dual-control thermostatic cartridge of the present utility model

FIG. 2 is an exploded view of a single handle dual control thermostatic cartridge of the present utility model.

Fig. 3 is a structural view of the lower housing of the present utility model.

Fig. 4 is a diagram showing the structure of the plunger according to the present utility model.

Wherein: 1. a handle seat; 101. a boss; 2. a lower housing; 201. a hot water inlet; 202. a cold water inlet; 203. a mixed water outlet; 204. an inner edge; 3. a handle; 4. a stud; 5. a stud spring; 6. a top column; 7. a cover body; 8. a gland; 801. a convex edge; 802. a cover sealing ring; 9. a core rod; 10. a core rod spring; 11. a plunger; 1101. a first piston portion; 1102. a second piston portion; 1103. a socket joint part; 1104. a first water passing hole; 1105. a second water passing hole; 1106. an upper edge; 12. a first seal ring; 13. a second seal ring; 14. a filter screen; 15. a third seal ring; 16. a fourth seal ring; 17. a fifth seal ring; 18. a jack post clamp spring; 19. a handle clamp spring; 20. a sixth seal ring; 21. a gasket; 22. a seventh seal ring; 23. and an eighth sealing ring.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly practiced by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

Example 1

As shown in fig. 1-4, a single-handle double-control constant temperature valve core comprises a handle seat 1 and a lower shell 2 which are connected through threads, and a temperature adjusting component is arranged on the handle seat 1. The temperature adjusting component comprises a handle 3, a stud 4, a stud spring 5 and a jacking column 6. The handle 3 is rotatably connected to the top of the handle seat 1, the stud 4 is arranged in the inner cavity of the lower part of the handle 3, and the stud spring 5 and the jacking column 6 are arranged in the inner cavity of the stud 5 from inside to outside. The stud 4 is externally connected with a cover 7 through screw threads.

The outer wall of the lower shell 2 is provided with a hot water inlet 201, a cold water inlet 202 and a mixed water outlet 203 from bottom to top along the axial direction. The lower shell 2 is internally provided with a gland 8, a mandrel 9, a mandrel spring 10 and a plunger 11. The gland 8 is screwed on the inner wall between the mixed water outlet 203 and the cold water inlet 202, and is used for limiting the moving space of the plunger 11. The outer wall of the gland 8 is provided with a convex edge 801, and a cover sealing ring 802 is arranged on the convex edge 801.

The cover body 7 can be downwards moved by rotating the handle 3, so that the lower end surface of the cover body 7 is attached to the cover body sealing ring 802, and then the mixed water outlet 203 is closed, and the function of closing the faucet by a single handle is realized.

The plunger 11 includes a first piston portion 1101, a second piston portion 1102, and a socket portion 1103. The first piston part 1101 is in sliding connection between the hot water inlet 201 and the cold water inlet 202 in a dynamic seal manner, the second piston part 1102 is in sliding connection with the inner cavity of the gland 8 in a dynamic seal manner, and the sleeving part 1103 is sleeved with the upper part of the core rod 9. The first piston portion 1101 is provided with an axial first water passing hole 1104, and the socket portion 1103 is provided with a radial second water passing hole 1105. The top end of the core rod 9 is clamped with the jacking column 7, and a core rod spring 10 is sleeved on the lower portion of the core rod 9.

Based on the structure, the connection between the core rod 9 and the plunger 11 is more stable, and the plunger 11 is provided with two dynamic sealing positions, so that the plunger can swing left and right during use, the working accuracy of the plunger 11 is improved, and the performance of the valve core is improved. In operation, hot water flows into the inner cavity of the plunger 11 from the hot water inlet 201, cold water flows into the inner cavity of the plunger through the cold water inlet 202 and the first water passing hole 1104, and cold water and hot water flow out from the second water passing hole 1105 and the mixed water outlet 203 after being mixed in the inner cavity of the plunger.

The first piston portion 1101 is provided with an upper edge 1106, and the first piston portion 1101 has a cold water closing position in which the upper edge 1106 engages the bottom surface of the gland 8 after movement. The inner wall of the lower housing 2 is provided with an inner edge 204, and the first piston 1101 has a hot water closing position in which the lower end surface thereof is fitted to the inner edge 204 after moving.

The first seal ring 12 is provided on the outer wall of the first piston portion 1101, and the second seal ring 13 is provided on the outer wall of the second piston portion 1102. The hot water inlet 201 and the cold water inlet 202 are respectively provided with a filter screen 14. The outer wall of the lower housing 2 is provided with a plurality of third sealing rings 15. The outer wall of the gland 8 is provided with a fourth sealing ring 16. The outer wall of the stud connecting piece 4 is provided with a fifth sealing ring 17, and the inner cavity of the stud 5 is provided with a jacking column clamping spring 18 which is clamped with the jacking column 7.

The handle 3 is connected with the handle seat 1 through a handle clamp spring 19, and a sixth sealing ring 20, a gasket 21 and a seventh sealing ring 22 are arranged on the outer wall of the handle 3 from top to bottom. The outer wall of the handle seat 1 is provided with an eighth sealing ring 23, one side of the handle seat is provided with a boss 101, and the boss 101 can be matched with the valve core shell so as to ensure that the valve core cannot rotate when in use.

Although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A single-handle double-control constant temperature valve core is characterized in that: including threaded connection's handle seat and lower casing, be equipped with the subassembly that adjusts the temperature on the handle seat, the lower casing is equipped with hot water inlet, cold water inlet and mixed water delivery port along the axial, be equipped with plunger, plug and plug spring in the lower casing, be equipped with in the handle seat with the cover body that the subassembly transmission that adjusts the temperature is connected, be located in the lower casing mixed water delivery port one side is equipped with the cover body sealing washer, the cover body has its lower terminal surface after removing with the closed water level that the cover body sealing washer laminated mutually.

2. The single-handle dual-control thermostatic valve core according to claim 1, wherein: the lower shell is internally provided with a press cover, a stud is connected between the mixed water outlet and the cold water inlet, the outer wall of the press cover is provided with a convex edge, and the cover sealing ring is arranged on the convex edge.

3. The single-handle dual-control thermostatic valve core according to claim 2, wherein: the plunger comprises a first piston part, a second piston part and a sleeving part which are connected from bottom to top, wherein the first piston part is dynamically and hermetically connected between the hot water inlet and the cold water inlet, the second piston part is dynamically and hermetically connected to the inner cavity of the gland, the sleeving part is sleeved with the core rod, the first piston part is provided with a first axial water passing hole, and the sleeving part is provided with a second radial water passing hole.

4. A single-handle dual-control thermostatic valve cartridge according to claim 3, wherein: the first piston part is provided with an upper edge, and the plunger is provided with a cold water closing position where the upper edge is attached to the lower end surface of the gland after being moved upwards; the inner side of the hot water inlet is provided with an inner edge, and the plunger is provided with a hot water closing position, wherein the hot water closing position is formed by the lower end face of the first piston part and the inner edge in a fitting mode after the plunger moves downwards.

5. The single-handle dual-control thermostatic valve of claim 4, wherein: the outer wall of the first piston part is provided with a first sealing ring; and a second sealing ring is arranged on the outer wall of the second piston part.

6. A single-handle dual-control thermostatic valve cartridge according to any one of claims 1-5, wherein: a boss is arranged on one side of the handle seat.

7. The single-handle dual-control thermostatic valve of claim 6, wherein: the temperature adjusting assembly comprises a handle, a stud spring and a jacking column, wherein the handle is rotationally connected to the top of the handle seat, the cover body is in threaded connection with the outer wall of the lower portion of the handle, the stud is arranged in the inner cavity of the lower portion of the handle, the stud spring and the jacking column are arranged in the inner cavity of the stud from inside to outside, and the top of the core rod is clamped with the jacking column.