A water purifier switch
By using a plastic sealing sleeve and a detachable handle design in the water purifier switch, the problems of valve body corrosion and poor sealing are solved, resulting in a longer lifespan, lower maintenance costs, and higher sealing performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUYAO HUABIAO SANITARY WARE CO LTD
- Filing Date
- 2025-09-09
- Publication Date
- 2026-07-03
AI Technical Summary
Existing water purifier switch valves are prone to corrosion, have poor sealing, are inconvenient to replace handles, and have high maintenance costs.
The valve body is lined with a plastic sealing sleeve, and features a detachable handle design, an added sealing ring and anti-rotation protrusion, improving sealing performance and facilitating maintenance.
It extends valve body life, improves sealing reliability, reduces maintenance costs, and features an easy-to-replace handle with excellent sealing performance.
Smart Images

Figure CN224453743U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of water purifier accessories, specifically a water purifier switcher. Background Technology
[0002] A water purifier, also called a water filter or water purifier, is a water treatment device that performs deep filtration and purification of water according to usage requirements. A water purifier switch is a valve used on a water purifier to switch water circuits. However, existing water purifier switches still have the following shortcomings in use:
[0003] The valve bodies of existing water purifier switchers are mostly made of metal (zinc alloy) and plastic. Metal valve bodies are easily corroded by water quality, which shortens their lifespan. Plastic valve bodies have multiple external water outlet joints, resulting in uneven wall thickness. Due to molding shrinkage, the inner wall of the valve body is prone to pits and unevenness, which can lead to poor sealing and leakage. The valve core does not rotate smoothly enough, and it is inconvenient to replace the handle after it is damaged, resulting in high maintenance costs.
[0004] Therefore, we propose a water purifier switcher to solve the above problems. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides a water purifier switcher, which solves the problems mentioned in the background art, such as the inability to replace the handle of existing water purifier switches, easy corrosion of the valve body, and poor sealing due to poor molding of the valve body.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0009] A water purifier switch includes a valve body, a water sealing sleeve inside the valve body, a valve core inside the water sealing sleeve, a handle detachably mounted on one end of the valve core, a hollow nut on the top of the valve body, and the bottom end of the hollow nut extending into the interior of the water sealing sleeve.
[0010] Furthermore, a valve stem is fixedly provided at one end of the valve core, and one end of the valve stem extends to the outside of the valve body, and a spring buckle is provided on the valve stem.
[0011] Furthermore, the valve stem is square, the handle is sleeved on the valve stem, and the outside of the handle is provided with a locking hole for engaging with the spring buckle.
[0012] Furthermore, the surface of the water-sealing sleeve is provided with at least three water inlets, one of which is sleeved with the bottom end of the hollow nut and a water inlet sealing ring is provided at the connection between the water inlet and the hollow nut, and the other two water inlets are nested with water inlet sealing rings on their outer sides.
[0013] Furthermore, a sealing plug is nested on the surface of the valve core, and valve core sealing rings are also nested at both ends of the valve core.
[0014] Furthermore, an anti-rotation protrusion is provided on one end of the water-sealing sleeve that extends into the valve body, and a water-sealing sleeve sealing ring is nested at the other end of the water-sealing sleeve where it connects with the valve body.
[0015] Furthermore, the hollow nut is threadedly connected to the valve body, and a movable nut is provided on the top of the valve body, which is sleeved on the outside of the hollow nut.
[0016] Furthermore, the bottom of the valve body is threaded with a water outlet outer shell, and the inside of the water outlet outer shell is provided with a sealing gasket and a water outlet inner core located below the sealing gasket. The inside of the water outlet inner core is provided with a filter screen.
[0017] Furthermore, a second sealing gasket is provided on the top of the hollow nut, and a second filter screen is provided inside the second sealing gasket.
[0018] Furthermore, a water outlet head is fixedly provided on one side of the valve body, and no fewer than two water outlet sealing rings are fitted on the water outlet head.
[0019] (III) Beneficial Effects
[0020] Compared with the prior art, this utility model provides a water purifier switcher, which has the following beneficial effects:
[0021] This invention effectively isolates the metal valve body from corrosion by trace elements in water by setting a plastic sealing sleeve inside the valve body, making the valve core rotate more smoothly and significantly extending the service life of the valve body. In addition, the sealing sleeve has a uniform wall thickness and a smooth inner wall, which overcomes the sealing risks caused by uneven shrinkage of the inner wall when the plastic valve body is directly molded, greatly improving the sealing reliability of the valve core assembly. The handle adopts a detachable installation design, which facilitates later maintenance and replacement, further reducing the overall use cost. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;
[0023] Figure 2 This is an exploded view of the valve body structure of this utility model;
[0024] Figure 3 This is an exploded view of the valve body structure of this utility model;
[0025] Figure 4 This is a cross-sectional view of the water outlet head structure of this utility model;
[0026] Figure 5 This is a cross-sectional view of the handle structure of this utility model;
[0027] Figure 6 This is a schematic diagram of the structure of Embodiment 2 of this utility model;
[0028] Figure 7 This is a schematic diagram of the structure of Embodiment 2 of this utility model;
[0029] Figure 8 This is a schematic diagram of the structure of Embodiment 3 of this utility model;
[0030] Figure 9 This is a schematic diagram of the structure of Embodiment 3 of this utility model.
[0031] In the diagram: 1. Valve body; 2. Outlet shell; 3. Sealing gasket one; 4. Filter screen one; 5. Outlet core; 6. Movable nut; 7. Hollow nut; 8. Filter screen two; 9. Sealing gasket two; 10. Outlet channel; 11. Water sealing sleeve; 111. Water inlet sealing ring; 112. Water sealing sleeve sealing ring; 113. Water inlet sealing gasket; 12. Valve core; 121. Valve core sealing ring; 122. Sealing plug; 13. Valve stem; 131. Spring clip; 14. Handle; 141. Clip hole; 15. Outlet head one; 151. Outlet sealing ring; 16. Outlet head two; 17. Outlet head three. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] Example 1
[0034] like Figure 1-5 As shown in the figure, a water purifier switcher proposed in one embodiment of the present invention includes a valve body 1, a water sealing sleeve 11 is provided inside the valve body 1, a valve core 12 is provided inside the water sealing sleeve 11, a handle 14 is detachably installed at one end of the valve core 12, a hollow nut 7 is provided at the top of the valve body 1, and the bottom end of the hollow nut 7 extends into the interior of the water sealing sleeve 11.
[0035] The sealing sleeve 11 is made of plastic. The sealing sleeve 11 is set inside the valve body 1, which can reduce the corrosion of the metal valve body 1 by trace elements in water, make the valve core 12 rotate more smoothly, and improve the service life of the valve body 1. Because of its high wall thickness, the inner wall of the plastic valve body 1 is prone to shrinkage and pitting during molding. Directly assembling the valve core 12 results in poor sealing. The sealing sleeve 11 has a uniform wall thickness, good molding effect, and a smooth and consistent inner wall. By adding the sealing sleeve 11, the sealing performance of the plastic valve body 1 can be improved. The handle 14 is designed to be detachable and installed, which facilitates later replacement and reduces the cost of use.
[0036] like Figure 1-5 As shown, in some embodiments, a valve stem 13 is fixedly provided at one end of the valve core 12, and one end of the valve stem 13 extends to the outside of the valve body 1. A spring buckle 131 is provided on the valve stem 13. The valve stem 13 is square, and the handle 14 is sleeved on the valve stem 13. A locking hole 141 is provided on the outside of the handle 14 to engage with the spring buckle 131.
[0037] The valve stem 13 is square in shape, and the internal shape of the handle 14 is adapted to the valve stem 13, so that turning the handle 14 can drive the valve stem 13 to rotate together. The engagement of the spring clip 131 and the locking hole 141 makes it easier to install and remove the handle 14. By inserting a needle-like tool that is compatible with the size of the locking hole 141 into the locking hole 141 and pushing against the spring clip 131 to disengage from the locking hole 141, the handle 14 can be pulled off.
[0038] like Figure 1-5 As shown, in some embodiments, the surface of the water-sealing sleeve 11 is provided with at least three water inlets, one of which is sleeved with the bottom end of the hollow nut 7 and a water inlet sealing ring 111 is provided at the connection between the water inlet and the hollow nut 7, and the other two water inlets are nested with water inlet sealing rings 111 on their outer sides.
[0039] After the hollow nut 7 is screwed into the valve body 1, its bottom end is inserted into the water inlet hole and presses the water inlet sealing ring 111. The water inlet sealing ring 111 ensures the sealing of the connection between the water sealing sleeve 11 and the hollow nut 7. The other two water inlets are connected to the water outlet head 15 and the water outlet outer shell 2 respectively. The water inlet sealing ring 111 rests on the connection between the water sealing sleeve 11 and the inner wall of the valve body 1, ensuring the sealing of the connection between the water sealing sleeve 11 and the water outlet head 15 and the water outlet outer shell 2.
[0040] like Figure 1-5 As shown, in some embodiments, a sealing plug 122 is nested on the surface of the valve core 12, and valve core sealing rings 121 are also nested at both ends of the valve core 12.
[0041] The valve core sealing ring 121 seals the positions where the two ends of the valve core 12 contact the inner wall of the sealing sleeve 11.
[0042] like Figure 1-5 As shown, in some embodiments, the water-sealing sleeve 11 is provided with an anti-rotation protrusion at one end extending into the valve body 1, and the other end of the water-sealing sleeve 11 is also nested with a water-sealing sleeve sealing ring 112 located at its connection with the valve body 1.
[0043] After the sealing sleeve 11 is inserted into the valve body 1, the anti-rotation protrusion can restrict its rotation. When used in conjunction with the hollow nut 7, it further ensures the assembly stability of the sealing sleeve 11.
[0044] like Figure 1-5 As shown, in some embodiments, the hollow nut 7 is threadedly connected to the valve body 1, and a movable nut 6 is provided on the top of the valve body 1, which is sleeved on the outside of the hollow nut 7.
[0045] The movable nut 6 is used for connecting an external faucet or water pipe.
[0046] like Figure 1-5 As shown, in some embodiments, the bottom of the valve body 1 is threaded with a water outlet shell 2, the inside of the water outlet shell 2 is provided with a sealing gasket 3 and a water outlet inner core 5 located below the sealing gasket 3, and the inside of the water outlet inner core 5 is provided with a filter screen 4.
[0047] The sealing gasket 3 ensures the seal at the connection between the inner core 5 and the outer shell 2 of the water outlet surface. The filter screen 4 is used to filter particulate matter in the water source. The inner core 5 of the water outlet surface can divide the water flow into several fine streams and discharge them to form a shower head water flow effect.
[0048] like Figure 1-5 As shown, in some embodiments, a sealing gasket 2 9 is provided on the top of the hollow nut 7, and a filter screen 2 8 is provided inside the sealing gasket 2 9.
[0049] Sealing gasket 29 is used to connect the faucet or water pipe with the movable nut 6 to ensure the seal at the connection. Filter screen 28 can filter particulate matter in the water flow.
[0050] like Figure 1-5 As shown, in some embodiments, a water outlet head 15 is fixedly provided on one side of the valve body 1, and no less than two water outlet sealing rings 151 are fitted on the water outlet head 15. The water outlet head 15 and the valve stem 13 form a 90-degree angle.
[0051] The water outlet head 15, together with the water outlet sealing ring 151, can be connected to a water pipe or a faucet. The position and shape of the water outlet head 15 can be changed during processing and production to adapt to different users' installation scenarios and usage needs.
[0052] Example 2
[0053] like Figure 1-7 As shown, it also includes a second water outlet 16, which is fixedly installed on one side of the valve body 1 and connected to the sealing sleeve 11 and the valve core 12 through a water inlet. One end of the second water outlet 16 is provided with a thread. Compared with the above embodiment, in this embodiment, the second water outlet 16 is used to replace the first water outlet 15. The second water outlet 16 can be connected to a faucet or water pipe through the thread, which is more convenient to use.
[0054] Example 3
[0055] like Figure 1-9 As shown, it also includes a third water outlet 17 and a water outlet channel 10. The third water outlet 17 is disposed on one side of the valve body 1 and is coaxially arranged with the valve core 12. The water outlet channel 10 is disposed on the surface of the sealing sleeve 11 and is connected to one of the water inlets. One end of the water outlet channel 10 extends to one side of the third water outlet 17 and is connected to it. Compared with the above embodiment, in this embodiment, the third water outlet 17 is used to replace the first water outlet 15 and the second water outlet 16. The third water outlet 17 is coaxial with the valve core 12 and the water outlet direction is different from that of the first water outlet 15 and the second water outlet 16, which can be adapted to different installation scenarios.
[0056] In summary, by setting a plastic sealing sleeve 11 inside the valve body 1, the corrosion of the metal valve body 1 by trace elements in water is effectively isolated, making the valve core 12 rotate more smoothly and significantly extending the service life of the valve body 1. In addition, the sealing sleeve 11 has a uniform wall thickness and a smooth inner wall, which overcomes the sealing risks caused by uneven shrinkage of the inner wall when the plastic valve body 1 is directly molded, greatly improving the sealing reliability of the valve core 12 assembly. The handle 14 adopts a detachable installation design, which facilitates later maintenance and replacement, further reducing the overall usage cost.
[0057] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A water purifier switcher comprising a valve body (1), characterized in that: The valve body (1) is provided with a water sealing sleeve (11) inside, and a valve core (12) is provided inside the water sealing sleeve (11). A handle (14) is detachably installed at one end of the valve core (12). A hollow nut (7) is provided at the top of the valve body (1), and the bottom end of the hollow nut (7) extends into the interior of the water sealing sleeve (11).
2. A water purifier switcher according to claim 1, characterized in that: One end of the valve core (12) is fixedly provided with a valve stem (13), one end of the valve stem (13) extends to the outside of the valve body (1), and a spring buckle (131) is provided on the valve stem (13).
3. A water purifier switcher according to claim 2, characterized in that: The valve stem (13) is square, and the handle (14) is sleeved on the valve stem (13). The handle (14) has a locking hole (141) on its outside that engages with the spring clip (131).
4. The water purifier switch according to claim 1, wherein: The surface of the water-sealing sleeve (11) is provided with at least three water inlets. One of the water inlets is sleeved with the bottom end of the hollow nut (7) and a water inlet sealing ring (111) is provided at the connection between the water inlet and the hollow nut (7). The other two water inlets are nested with water inlet sealing rings (111) on their outer sides.
5. The water purifier switch according to claim 1, wherein: The surface of the valve core (12) is nested with a sealing plug (122), and valve core sealing rings (121) are also nested at both ends of the valve core (12).
6. The water purifier switch according to claim 1, wherein: The sealing sleeve (11) has an anti-rotation protrusion on one end extending into the valve body (1), and the other end of the sealing sleeve (11) is also nested with a sealing sleeve sealing ring (112) located at the connection between it and the valve body (1).
7. The water filter changer of claim 1, wherein: The hollow nut (7) is threadedly connected to the valve body (1), and a movable nut (6) is provided on the top of the valve body (1), which is sleeved on the outside of the hollow nut (7).
8. The water filter changer of claim 1, wherein: The bottom of the valve body (1) is threaded with a water outlet shell (2). The water outlet shell (2) is provided with a sealing gasket (3) and a water outlet inner core (5) located below the sealing gasket (3). The water outlet inner core (5) is provided with a filter screen (4).
9. The water filter changer of claim 1, wherein: The top of the hollow nut (7) is provided with a sealing gasket 2 (9), and the inside of the sealing gasket 2 (9) is provided with a filter screen 2 (8).
10. The water purifier switch according to claim 1, wherein: A water outlet head (15) is fixedly provided on one side of the valve body (1), and no fewer than two water outlet sealing rings (151) are fitted on the water outlet head (15).