Two-inlet three-outlet valve core

Abstract

A two-inlet and three-outlet valve element comprises an upper valve shell and a lower valve shell, a temperature adjusting assembly used for adjusting the temperature of outlet water and a water distributing assembly used for switching water outlet ways are arranged in the upper valve shell, and the two-inlet and three-outlet valve element is characterized in that a first water outlet and a second water outlet are formed in the side wall of the lower valve shell; a third water outlet, a first water inlet and a second water inlet are formed in the bottom of the lower valve shell, three water outlet channels and two water inlet channels are further arranged in the lower valve shell, and the three water outlet channels communicate with the first water outlet, the second water outlet and the third water outlet correspondingly; and the two water inlet channels are respectively communicated with the first water inlet and the second water inlet. Compared with the prior art, the three-way valve element has the advantages that the two water outlets of the valve element are formed in the horizontal direction, the water outlet of the valve element is formed in the vertical direction, the three water outlet directions of the valve element are different, and therefore the valve element can be matched with more kinds of shower products.

Description

Technical Field

[0001] The utility model relates to the field of bathroom equipment, in particular to a two-inlet and three-outlet valve core. Background Art

[0002] The valve core is an important component of bathroom products. It is usually used in shower equipment to achieve multi-water outlet and water channel switching of shower equipment. In order to improve the user experience, the existing valve core is often provided with three water outlets to allow water to flow out from the faucet, hand-held shower and overhead shower, as shown in the Chinese utility model "One-inlet and three-outlet electric ceramic conversion valve core" with patent number CN202121888849.9 (authorization announcement number CN216158358U). The valve core includes a valve housing, and the bottom of the valve housing is provided with a first water outlet channel, a second water outlet channel and a third water outlet channel, and the side of the valve housing is provided with a water inlet channel, so that the valve core is filled with water from the side, and then the water flows out from any of the first water outlet channel, the second water outlet channel and the third water outlet channel at the bottom through the switching of the valve core.

[0003] Although the above valve core can use three water outlet channels to meet the diverse needs of users, there are many types of shower products on the market. The water outlet directions of the faucets, hand showers and overhead showers of shower products may be inconsistent. If the above valve core is installed in the shower product, the directions of the three water outlets of the shower product may not match the flow directions of the three water outlet channels of the valve core. The water pipe needs to be bent during assembly, which is not conducive to assembly production. The bent water pipe may also cause poor water flow. Therefore, further improvements need to be made to the valve core. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a two-inlet and three-outlet valve core with a reasonable structure and at least two different water outlet directions in view of the above-mentioned existing technical status.

[0005] The technical solution adopted by the utility model to solve the above-mentioned technical problems is as follows: the two-inlet and three-outlet valve core comprises an upper valve shell and a lower valve shell, the upper valve shell comprises a temperature regulating component for adjusting the outlet water temperature and a water dividing component for switching the outlet water path, and is characterized in that: a first water outlet and a second water outlet are provided on the side wall of the lower valve shell, a third water outlet, a first water inlet and a second water inlet are provided on the bottom of the lower valve shell, three water outlet channels and two water inlet channels are also provided in the lower valve shell, the three water outlet channels are respectively connected to the first water outlet, the second water outlet and the third water outlet, and the two water inlet channels are respectively connected to the first water inlet and the second water inlet.

[0006] In order to enable the temperature control component and the water distribution component to achieve their respective functions, preferably, a fixed valve plate is fixedly installed at the bottom of the upper valve shell, and the fixed valve plate is provided with three water outlet holes for communicating with the corresponding water outlet channels and two water inlet holes for communicating with the corresponding water inlet channels, and the rotation of the temperature control component can open or block the two water inlet holes, and the rotation of the water distribution component can open one of the three water outlet holes.

[0007] In order to enable the thermostat to adjust the water temperature, preferably, the thermostat comprises a rotating member, a connecting member and a first movable valve plate, the top end of the rotating member is exposed to the upper valve shell, the rotating member can drive the connecting member to rotate, the connecting member is fixedly connected to the first movable valve plate, the first movable valve plate is arranged above the fixed valve plate, the first movable valve plate is provided with a guide hole, the guide hole is aligned with the three water outlet holes, the rotating member can drive the connecting member and the first movable valve plate to rotate, and the rotation of the guide hole of the first movable valve plate can open or block the two water inlet holes. Cold water and hot water flow into the first water inlet and the second water inlet respectively, and the cold water and hot water flow to the two water inlet holes respectively by using two water inlet channels, the rotating member drives the connecting member and the first movable valve plate to rotate, and the rotation of the guide hole of the first movable valve plate changes the area of ​​the two water inlet holes opened or blocked, thereby changing the flow rate of cold water and hot water flowing into the upper valve shell, and then the valve core can adjust the water temperature.

[0008] Furthermore, two driving blocks are provided at the bottom end of the rotating member, and slots for inserting the driving blocks are provided on the upper surface of the connecting member. When the driving blocks are inserted into the slots, the rotating member can drive the connecting member to rotate.

[0009] In order to limit the range of water temperature adjustment by the thermostat, preferably, the thermostat further comprises a fixed part arranged in the rotating part, the fixed part is provided with three limiting protrusions exposed from the rotating part, the inner wall of the upper valve shell is provided with three angle limiting grooves corresponding to the limiting protrusions, the limiting protrusions are installed in the angle limiting grooves, and the three limiting protrusions can limit the range of rotation angles of the two driving blocks. The three limiting protrusions are installed in the angle limiting grooves of the upper valve shell, and two adjacent limiting protrusions form an area for one driving block to rotate, thereby limiting the range of rotation angles of each driving block, thereby controlling the range of rotation angles of the first movable valve plate, and limiting the water inflow of the two water inlet holes.

[0010] In order to enable the water distribution component to switch the water path, preferably, the water distribution component includes a valve stem and a second movable valve plate fixedly connected to the lower end of the valve stem, the valve stem is arranged in the rotating member, and the top end of the valve stem is exposed from the rotating member, the second movable valve plate is arranged in the guide hole of the first movable valve plate, and the second movable valve plate is provided with a notch, the shape of the notch matches the shape of each of the water outlet holes, the valve stem can drive the second movable valve plate to rotate, and the rotation of the second movable valve plate can open one of the three water outlet holes. The notch of the second movable valve plate is connected to any one of the water outlet holes, that is, the water outlet channel connected to the water outlet hole flows water out.

[0011] In order to make the water temperature of the valve core within a controllable range, preferably, a pressure-balancing valve core is provided in the lower valve shell, and the two water inlet ends of the pressure-balancing valve core are respectively connected to the first water inlet and the second water inlet, and the two water outlet ends of the pressure-balancing valve core are respectively connected to the two water inlet channels.

[0012] Compared with the prior art, the advantage of the utility model is that the valve core is provided with a first water outlet and a second water outlet on the side wall of the lower valve shell, and a third water outlet, a first water inlet and a second water inlet are provided at the bottom of the lower valve shell. Therefore, the two water outlets of the valve core are arranged in the horizontal direction, and one water outlet is arranged in the vertical direction, so that the three water outlet directions of the valve core are different, so that the valve core can take in cold water and hot water from the bottom, adjust the mixed water of suitable water temperature through the temperature adjustment component, and then select the mixed water to flow out from any one of the first water outlet, the second water outlet and the third water outlet through the water distribution component, so that the valve core can adapt to more types of shower products. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the lower valve housing in the embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of a specific valve plate in an embodiment of the utility model;

[0016] Figure 4 A cross-sectional view of an embodiment of the utility model;

[0017] Figure 5 is a cross-sectional view of an embodiment of the utility model at another viewing angle;

[0018] Figure 6 It is a cross-sectional view of the first movable valve plate and the second movable valve plate in the embodiment of the utility model;

[0019] Figure 7This is a schematic diagram of the structure of the temperature adjustment component and the water distribution component in the embodiment of the utility model;

[0020] Figure 8 It is a cross-sectional view of the temperature adjustment component and the water distribution component in the embodiment of the utility model. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 8 Shown is the best embodiment of the utility model.

[0023] like Figure 1 and Figure 2 As shown, the two-inlet and three-outlet valve core includes an upper valve shell 1 and a lower valve shell 2. The upper valve shell 1 includes a temperature regulating component 3 for adjusting the outlet water temperature and a water distribution component 4 for switching the outlet water path. The side wall of the lower valve shell 2 is provided with a first water outlet 2a and a second water outlet 2b, and the bottom of the lower valve shell 2 is provided with a third water outlet 2c, a first water inlet 2d and a second water inlet 2e. The lower valve shell 2 is also provided with three water outlet channels 21 and two water inlet channels 22. The three water outlet channels 21 are respectively connected to the first water outlet 2a, the second water outlet 2b and the third water outlet 2c, and the two water inlet channels 22 are respectively connected to the first water inlet 2d and the second water inlet 2e.

[0024] like Figure 3 As shown, a fixed valve plate 11 is fixedly installed at the bottom of the upper valve shell 1, and the fixed valve plate 11 is provided with three water outlet holes 111 for communicating with the corresponding water outlet channels 21 and two water inlet holes 112 for communicating with the corresponding water inlet channels 22. The rotation of the temperature control component 3 can open or block the two water inlet holes 112, and the rotation of the water distribution component 4 can open one of the three water outlet holes 111.

[0025] like Figures 4 to 8As shown, the temperature control component 3 includes a rotating member 31, a connecting member 32, a first movable valve plate 33 and a fixed member 34. The top of the rotating member 31 is exposed to the upper valve shell 1, and two driving blocks 3111 are provided at the bottom of the rotating member 31. The upper surface of the connecting member 32 is provided with two slots 321 for inserting the driving blocks 311. When the driving blocks 311 are inserted into the slots 321, the rotating member 31 can drive the connecting member 32 to rotate. The connecting member 32 is fixedly connected to the first movable valve plate 33. The first movable valve plate 33 is arranged above the fixed valve plate 11. A guide hole 331 is provided on the first movable valve plate 33. The guide hole 331 is aligned with the three water outlet holes 111. The rotating member 31 can drive the connecting member 32 and the first movable valve plate 33 to rotate. The rotation of the guide hole 331 of the first movable valve plate 33 can open or block the two water inlet holes 112. In order to limit the range of water temperature adjustment by the thermostatic component 3, the fixed part 34 is arranged in the rotating part 31, and the fixed part 34 is provided with three limiting protrusions 341 exposed from the rotating part 31, and the inner wall of the upper valve shell 1 is provided with three angle limiting grooves 12 corresponding to the limiting protrusions 341, and the limiting protrusions 341 are installed in the angle limiting grooves 12. The three limiting protrusions 341 can limit the range of rotation angles of the two driving blocks 311, that is, two adjacent limiting protrusions 341 form a range of rotation angles for one driving block 311, thereby controlling the range of rotation angles of the first movable valve plate 33 and limiting the water inlet amount of the two water inlet holes 112. In addition, the water distribution component 4 includes a valve stem 41 and a second movable valve plate 42 fixedly connected to the lower end of the valve stem 41, the valve stem 41 is arranged in the rotating member 31, and the top end of the valve stem 41 is exposed from the rotating member 31, the second movable valve plate 42 is arranged in the guide hole 331 of the first movable valve plate 33, and a notch 421 is provided on the second movable valve plate 42, and the shape of the notch 421 matches the shape of each water outlet hole 111, the valve stem 41 can drive the second movable valve plate 42 to rotate, and the rotation of the second movable valve plate 42 can open one of the three water outlet holes 111.

[0026] In addition, if Figure 5 As shown, a pressure balancing valve core 5 is also provided in the lower valve shell 2, and the two water inlet ends of the pressure balancing valve core 5 are respectively connected to the first water inlet 2d and the second water inlet 2e, and the two water outlet ends of the pressure balancing valve core 5 are respectively connected to the two water inlet channels 22. The piston in the pressure balancing valve core 5 moves under the action of water pressure, thereby changing the area where the two water inlet ends overlap with the first water inlet 2d and the second water inlet 2e, and the area where the two water outlet ends overlap with the two water inlet channels 22, thereby controlling the water temperature within a controllable range.

[0027] The working process of this embodiment is as follows: the valve core takes in cold water through the first water inlet 2d, and takes in hot water through the second water inlet 2e, and then the cold water and hot water flow to the two water inlet holes 112 of the fixed valve plate 11 through the pressure balance valve core 5 and the two water inlet channels 22 respectively; then the rotating member 31 of the thermostat assembly 3 is rotated, and the rotating member 31 drives the connecting member 32 and the first movable valve plate 33 to rotate, and the rotation of the guide hole 331 of the first movable valve plate 33 changes the open or blocked area of ​​the two water inlet holes 112, thereby changing the flow rate of cold water and hot water flowing into the two water inlet holes 112, mixing the cold water and hot water to obtain mixed water of suitable temperature; finally, the valve stem 41 of the water distribution assembly 4 is rotated, which will drive the second movable valve plate 42 to rotate, so that the notch 421 of the second movable valve plate 42 is aligned with one of the three water outlet holes 111, so that the mixed water flows out from one of the first water outlet 2a, the second water outlet 2b and the third water outlet 2c through the water outlet channel 21.

Claims

1. A two-inlet and three-outlet valve core, comprising an upper valve housing (1) and a lower valve housing (2), wherein the upper valve housing (1) comprises a temperature regulating component (3) for regulating the outlet water temperature and a water distribution component (4) for switching the outlet water path, characterized in that: The side wall of the lower valve shell (2) is provided with a first water outlet (2a) and a second water outlet (2b); the bottom of the lower valve shell (2) is provided with a third water outlet (2c), a first water inlet (2d) and a second water inlet (2e); three water outlet channels (21) and two water inlet channels (22) are also provided in the lower valve shell (2); the three water outlet channels (21) are respectively connected to the first water outlet (2a), the second water outlet (2b) and the third water outlet (2c); the two water inlet channels (22) are respectively connected to the first water inlet (2d) and the second water inlet (2e).

2. The two-inlet and three-outlet valve core according to claim 1, characterized in that: A fixed valve plate (11) is fixedly mounted at the bottom of the upper valve housing (1), and the fixed valve plate (11) is provided with three water outlet holes (111) for communicating with the corresponding water outlet channels (21) and two water inlet holes (112) for communicating with the corresponding water inlet channels (22). The rotation of the temperature regulating component (3) can open or block the two water inlet holes (112), and the rotation of the water distribution component (4) can open one of the three water outlet holes (111).

3. The two-inlet and three-outlet valve core according to claim 2, characterized in that: The temperature control component (3) comprises a rotating member (31), a connecting member (32) and a first movable valve plate (33); the top end of the rotating member (31) is exposed from the upper valve housing (1); the rotating member (31) can drive the connecting member (32) to rotate; the connecting member (32) is fixedly connected to the first movable valve plate (33); the first movable valve plate (33) is arranged above the fixed valve plate (11); a guide hole (331) is provided on the first movable valve plate (33); the guide hole (331) is aligned with the three water outlet holes (111); the rotating member (31) can drive the connecting member (32) and the first movable valve plate (33) to rotate; the rotation of the guide hole (331) of the first movable valve plate (33) can open or cover the two water inlet holes (112).

4. The two-inlet and three-outlet valve core according to claim 3, characterized in that: Two driving blocks (311) are provided at the bottom end of the rotating member (31), and a slot (321) for inserting the driving blocks (311) is provided on the upper surface of the connecting member (32), and when the driving blocks (311) are inserted into the slots (321), the rotating member (31) can drive the connecting member (32) to rotate.

5. The two-inlet and three-outlet valve core according to claim 4, characterized in that: The temperature control component (3) further comprises a fixing member (34) arranged in the rotating member (31), the fixing member (34) being provided with three limiting protrusions (341) exposed from the rotating member (31), the inner wall of the upper valve housing (1) being provided with three angle limiting grooves (12) corresponding to the limiting protrusions (341), the limiting protrusions (341) being installed in the angle limiting grooves (12), and the three limiting protrusions (341) being capable of limiting the range of the rotation angle of the two driving blocks (311).

6. The two-inlet and three-outlet valve core according to claim 3, characterized in that: The water distribution component (4) comprises a valve stem (41) and a second movable valve plate (42) fixedly connected to the lower end of the valve stem (41); the valve stem (41) is arranged in the rotating member (31), and the top end of the valve stem (41) is exposed outside the rotating member (31); the second movable valve plate (42) is arranged in the guide hole (331) of the first movable valve plate (33); a notch (421) is provided on the second movable valve plate (42); the shape of the notch (421) matches the shape of each of the water outlet holes (111); the valve stem (41) can drive the second movable valve plate (42) to rotate; and the rotation of the second movable valve plate (42) can open one of the three water outlet holes (111).

7. The two-inlet and three-outlet valve core according to claim 1, characterized in that: A pressure balancing valve core (5) is provided in the lower valve housing (2), and the two water inlet ends of the pressure balancing valve core (5) are respectively connected to the first water inlet (2d) and the second water inlet (2e), and the two water outlet ends of the pressure balancing valve core (5) are respectively connected to the two water inlet channels (22).

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