A waterway switching structure

Abstract

The utility model discloses a waterway switching structure, including inlet channel, first outlet channel, second outlet channel, mounting bracket and valve rod, inlet channel is radially equipped with the shunt cavity, and the shunt outlet of inlet channel is arranged on the chamber wall of the middle part of shunt cavity, and the first water inlet of first outlet channel and the second water inlet of second outlet channel are arranged on the chamber wall of the bottom and top of shunt cavity respectively, shunt cavity top is equipped with the mounting mouth, and mounting bracket is placed into and seals mounting in shunt cavity from mounting mouth, and mounting bracket is equipped with overflow port and openwork part, and overflow port communicates with openwork part, and the one end convex of valve rod is equipped with the obturator, and valve rod sliding is arranged in the valve hole of mounting bracket, and valve rod makes the obturator switching between the first switching position and the second switching position of shunt cavity in the axial sliding of shunt cavity, the utility model discloses through the water pressure to assist the switching of water flow, make the switching process of waterway more stable, and simple structure is favorable to the unloading of loading and the maintenance of later period, reduces the use cost.

Description

Technical Field

[0001] This utility model relates to the field of waterway switching control technology, and in particular to a waterway switching structure. Background Technology

[0002] A water circuit switching structure is a mechanical structure used to switch between different water circuits, and it is widely used in situations where multiple water sources are required.

[0003] The existing waterway switching structure is too complex in design, which not only easily affects the stability of waterway switching, but also makes loading, unloading and subsequent maintenance difficult. Utility Model Content

[0004] The purpose of this invention is to provide a water circuit switching structure that can improve the stability of water circuit switching through a simple structure.

[0005] To achieve the above objectives, the solution of this utility model is: a water circuit switching structure, including an inlet channel, a first outlet channel, a second outlet channel, a mounting bracket, and a valve stem;

[0006] The water inlet channel is radially provided with a diversion cavity, which is connected to the water inlet channel, the first water outlet channel and the second water outlet channel respectively. The diversion outlet of the water inlet channel is located on the cavity wall in the middle of the diversion cavity, at the axis of the water inlet channel. The first water inlet of the first water outlet channel and the second water inlet of the second water outlet channel are respectively located on the cavity wall at the bottom and top of the diversion cavity along the axial direction of the diversion cavity.

[0007] The top of the diversion cavity is provided with an installation port. The mounting bracket is inserted into the installation port and sealed in the diversion cavity. One end of the mounting bracket is provided with an overflow port. The middle part of the mounting bracket is provided with a hollow part. The overflow port is connected to the hollow part. The other end of the mounting bracket is provided with a valve hole. One end of the valve stem is located in the diversion cavity and has a sealing part protruding radially. The other end of the valve stem slides through the valve hole.

[0008] The valve stem slides axially in the diversion chamber, causing the sealing element to switch between the first switching position and the second switching position in the diversion chamber. When the sealing element is in the first switching position, it blocks the flow port, the hollow part, and the second inlet of the second water outlet channel. When the sealing element is in the second switching position, it blocks the first inlet of the first water outlet channel.

[0009] In a preferred embodiment, a switching button is also included. The water inlet channel is provided with a pivot post at a position matching the other end of the valve stem. The switching button is provided with a pivot hole in the middle. One end of the switching button is fixedly connected to the other end of the valve stem. The pivot hole in the middle of the switching button is pivotally connected to the pivot post of the water inlet channel.

[0010] In a preferred embodiment, a first sealing ring is also included, wherein a first flange is formed by radially protruding one end of the valve stem, a first annular groove is provided on the first flange, and the first sealing ring is disposed on the annular groove to form the sealing element.

[0011] In a preferred embodiment, a second sealing ring is further included, wherein a second annular groove is provided at each end of the mounting bracket, and the second sealing ring is disposed in the second annular groove.

[0012] In a preferred embodiment, a third sealing ring is also included, wherein a second flange is formed by radially protruding at the other end of the valve stem, and the third sealing ring is sleeved on the other end of the valve stem, located between the second flange and the valve hole.

[0013] In a preferred embodiment, a positioning post is axially protruding from the bottom of the diversion cavity, and a positioning blind hole is provided at one end of the valve stem. When the valve stem slides axially in the diversion cavity, the positioning post is embedded in the positioning blind hole.

[0014] The beneficial effects of this utility model after adopting the above solution are as follows: When the sealing component is in the first switching position, the water flow from the inlet channel will continuously flow out from the diversion outlet. At this time, the water pressure will be continuously applied to the bottom surface of the sealing component, so that the sealing component blocks the overflow port, the hollow part, and the second inlet of the second outlet channel; when the sealing component is in the second switching position, the water flow from the inlet channel will continuously flow out from the diversion outlet. At this time, the water pressure will be continuously applied to the top surface of the sealing component, so that the sealing component blocks the first inlet of the first outlet channel. Thus, the inlet channel can be selectively connected to the first outlet channel or the second outlet channel. The water pressure is used to assist in the water flow switching, making the water path switching process more stable. The structure is simple, which is conducive to loading, unloading and subsequent maintenance, and reduces the cost of use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the water path switching structure installed in the shower handle in an embodiment of this utility model;

[0016] Figure 2 This is a top view of the water path switching structure installed in the shower handle in this embodiment of the utility model;

[0017] Figure 3 yes Figure 2 A cross-sectional view of the valve stem with the plug located in the first switching position (AA direction).

[0018] Figure 4 yes Figure 2 A cross-sectional view of the valve stem with the plug located in the second switching position (AA direction).

[0019] Figure 5 This is a schematic diagram of the valve stem passing through the mounting bracket in an embodiment of this utility model;

[0020] Figure 6This is a partial exploded structural diagram of the valve stem and mounting bracket in an embodiment of this utility model;

[0021] Figure 7 This is a top view of the installation bracket and valve stem being removed from the shower handle in this embodiment of the utility model.

[0022] Label Explanation:

[0023] 2. Handle; 20. Water inlet channel; 21. First water outlet channel; 22. Second water outlet channel; 23. Diversion chamber; 230. Diversion outlet; 231. First water inlet; 232. Second water inlet; 233. Mounting port; 234. Positioning post; 24. Pivot post;

[0024] 30. Mounting bracket; 300. Flow port; 301. Cutout section; 302. Valve hole; 303. Second annular groove;

[0025] 31. Valve stem; 310. Sealing component; 3100. First flange; 3101. First annular groove; 3102. First sealing ring; 311. Second flange; 312. Positioning blind hole;

[0026] 32. Switch button; 320. Pivot hole;

[0027] 33. Second sealing ring; 34. Third sealing ring. Detailed Implementation

[0028] The water path switching structure provided by this utility model can be applied to applications such as industrial production, agricultural irrigation, and household water use. Taking the shower water path switching, most commonly used in household water use scenarios, as an example, this utility model will be further explained in conjunction with the accompanying drawings and specific embodiments.

[0029] This embodiment provides a water circuit switching structure, including an inlet channel 20, a first outlet channel 21, a second outlet channel 22, a mounting bracket 30, and a valve stem 31. Specifically, as follows... Figures 1 to 4 As shown, in this embodiment, the water inlet channel 20, the first water outlet channel 21, the second water outlet channel 22, the mounting bracket 30, and the valve stem 31 are all mounted on the shower handle 2.

[0030] The water inlet channel 20 is radially provided with a diversion cavity 23, which is connected to the water inlet channel 20, the first water outlet channel 21 and the second water outlet channel 22 respectively. The diversion outlet 230 of the water inlet channel 20 is located on the cavity wall in the middle of the diversion cavity 23, at the axis of the water inlet channel 20. The first water inlet 231 of the first water outlet channel 21 and the second water inlet 232 of the second water outlet channel 22 are respectively located on the cavity walls at the bottom and top of the diversion cavity 23 along the axial direction of the diversion cavity 23.

[0031] The top of the diversion cavity 23 is provided with an installation port 233. The mounting bracket 30 is inserted into the diversion cavity 23 through the installation port 233 and sealed in the diversion cavity 23, which can effectively prevent water leakage and ensure the stability of water circuit switching. One end of the mounting bracket 30 is provided with an overflow port 300, and the middle of the mounting bracket 30 is provided with a hollow part 301. The overflow port 300 communicates with the hollow part 301. The other end of the mounting bracket 30 is provided with a valve hole 302. One end of the valve stem 31 is located in the diversion cavity 23 and has a sealing member 310 protruding radially. The other end of the valve stem 31 slides through the valve hole 302.

[0032] The valve stem 31 slides axially within the diversion chamber 23, causing the sealing member 310 to switch between a first switching position and a second switching position within the diversion chamber 23. When the sealing member 310 is in the first switching position, it blocks the flow port 300, the perforated portion 301, and the second inlet 232 of the second outlet channel 22, allowing water from the inlet channel 20 to flow from the diversion outlet 230 through the diversion chamber 23 and from the first inlet 231 at the bottom of the diversion chamber 23 into the first outlet channel 21. When the sealing member 310 is in the second switching position, it blocks the first inlet 231 of the first outlet channel 21, allowing water from the inlet channel 20 to flow from the diversion outlet 230 through the perforated portion 301 of the mounting bracket 30 and from the second inlet 232 at the top of the diversion chamber 23 into the second outlet channel 22.

[0033] Since this embodiment can switch between two water channels, an additional nozzle can be set on the shower head according to actual needs. The first water outlet channel 21 is connected to the shower head outlet, and the second water outlet channel 22 is connected to the nozzle, thus adding a spray gun function to the shower head, making it flexible to use.

[0034] like Figures 1 to 4 As shown, this embodiment also includes a switching button 32. The water inlet channel 20 is provided with a pivot post 24 at a position matching the other end of the valve stem 31. Specifically, in this embodiment, it can be set on the shower handle 2. The switching button 32 has a pivot hole 320 in the middle. One end of the switching button 32 is fixedly connected to the other end of the valve stem 31, and the pivot hole 320 in the middle of the switching button 32 is pivotally connected to the pivot post 24 of the water inlet channel 20. The user only needs to operate the switching button 32 to drive the valve stem 31 to slide axially in the diversion chamber 23, realizing the switching between the first switching position and the second switching position. The structure is simple, the operation is convenient, and it is also conducive to installation and later maintenance.

[0035] like Figures 3 to 6As shown, this embodiment also includes a first sealing ring 3102. One end of the valve stem 31 has a radially protruding first flange 3100, and the first flange 3100 has a first annular groove 3101. The first sealing ring 3102 is disposed on the annular groove to form the sealing member 310. The first flange 3100 and the first annular groove 3101 on the valve stem 31 are integrally formed. When the valve stem 31 slides axially in the diversion cavity 23, the first sealing ring 3102 on the first flange 3100 can ensure the smooth switching of water flow, and the structure is simple.

[0036] like Figures 3 to 6 As shown, it also includes a second sealing ring 33. The mounting bracket 30 has a second annular groove 303 at both ends. The second sealing ring 33 is set in the second annular groove 303 to ensure that the mounting bracket 30 can be sealed in the diversion cavity 23 to avoid water leakage and other situations.

[0037] like Figures 3 to 6 As shown, it also includes a third sealing ring 34. The other end of the valve stem 31 is radially protruded to form a second flange 311. The third sealing ring 34 is sleeved on the other end of the valve stem 31 and is located between the second flange 311 and the valve hole 302. It can prevent water from seeping out of the valve hole 302 when the valve stem 31 slides axially in the diversion cavity 23.

[0038] like Figure 3 , Figure 4 and Figure 7 As shown, a positioning post 234 protrudes axially from the bottom of the diversion chamber 23, and a positioning blind hole 312 is provided at one end of the valve stem 31. When the valve stem 31 slides axially in the diversion chamber 23, the positioning post 234 is embedded in the positioning blind hole 312. This provides precise guidance for the sliding of the valve stem 31, enabling the sealing component 310 to perform normal sealing work. At the same time, it also avoids the problem of seal failure caused by water flow impact and shaking when the valve stem 31 slides, ensuring the stability of water flow switching.

[0039] The switching principle is as follows:

[0040] like Figure 3 As shown, when the valve stem 31 slides axially in the diversion chamber 23 so that the sealing member 310 is in the first switching position, the water flow in the inlet chamber will continue to flow out from the diversion outlet 230. At this time, the water pressure will be continuously applied to the bottom surface of the sealing member 310, so that the sealing member 310 can continuously abut against the flow port 300 of the sealing mounting bracket 30, and further seal the hollow part 301 of the mounting bracket 30 and the second inlet 232 of the second outlet channel 22, so that the water flow in the inlet chamber flows from the diversion outlet 230 through the diversion chamber 23, and flows from the first inlet 231 at the bottom of the diversion chamber 23 to the first outlet channel 21.

[0041] like Figure 4As shown, when the valve stem 31 slides axially in the diversion chamber 23 so that the sealing member 310 is in the second switching position, the water flow in the inlet chamber will continue to flow out from the diversion outlet 230. At this time, the water pressure will be continuously applied to the top surface of the sealing member 310, so that the sealing member 310 can continuously abut against the first inlet 231 of the first outlet channel 21. Thus, the water flow in the inlet chamber flows from the diversion outlet 230 through the hollow part 301 of the mounting bracket 30, and flows from the second inlet 232 at the top of the diversion chamber 23 into the second outlet channel 22.

[0042] The directional terms used in this specification are defined relative to the structures shown in the accompanying drawings. They are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive.

[0043] The above description is only a preferred embodiment of this utility model and is not a limitation on the design of this case. All equivalent changes made based on the key design of this case shall fall within the protection scope of this case.

Claims

1. A waterway switching structure, characterized in that: Includes an inlet channel, a first outlet channel, a second outlet channel, a mounting bracket, and a valve stem; The water inlet channel is radially provided with a diversion cavity, which is connected to the water inlet channel, the first water outlet channel and the second water outlet channel respectively. The diversion outlet of the water inlet channel is located on the cavity wall in the middle of the diversion cavity, at the axis of the water inlet channel. The first water inlet of the first water outlet channel and the second water inlet of the second water outlet channel are respectively located on the cavity wall at the bottom and top of the diversion cavity along the axial direction of the diversion cavity. The top of the diversion cavity is provided with an installation port. The mounting bracket is inserted into the installation port and sealed in the diversion cavity. One end of the mounting bracket is provided with an overflow port. The middle part of the mounting bracket is provided with a hollow part. The overflow port is connected to the hollow part. The other end of the mounting bracket is provided with a valve hole. One end of the valve stem is located in the diversion cavity and has a sealing part protruding radially. The other end of the valve stem slides through the valve hole. The valve stem slides axially in the diversion chamber, causing the sealing element to switch between the first switching position and the second switching position in the diversion chamber. When the sealing element is in the first switching position, it blocks the flow port, the hollow part, and the second inlet of the second water outlet channel. When the sealing element is in the second switching position, it blocks the first inlet of the first water outlet channel.

2. The waterway switching structure as described in claim 1, characterized in that: It also includes a switching button. The water inlet channel is provided with a pivot post at a position matching the other end of the valve stem. The switching button is provided with a pivot hole in the middle. One end of the switching button is fixedly connected to the other end of the valve stem. The pivot hole in the middle of the switching button is pivotally connected to the pivot post of the water inlet channel.

3. The waterway switching structure as described in claim 1, characterized in that: It also includes a first sealing ring, and one end of the valve stem is radially protruding to form a first flange. The first flange is provided with a first annular groove, and the first sealing ring is disposed on the annular groove to form the sealing element.

4. The waterway switching structure as described in claim 1, characterized in that: It also includes a second sealing ring, and the mounting bracket has a second annular groove at each end, with the second sealing ring disposed in the second annular groove.

5. The waterway switching structure as described in claim 1, characterized in that: It also includes a third sealing ring, with a second flange formed by radially protruding from the other end of the valve stem, and the third sealing ring is sleeved on the other end of the valve stem, located between the second flange and the valve hole.

6. The waterway switching structure as described in claim 1, characterized in that: The bottom of the diversion cavity is provided with a positioning post protruding axially, and one end of the valve stem is provided with a positioning blind hole. When the valve stem slides axially in the diversion cavity, the positioning post is embedded in the positioning blind hole.

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