Combined valve structure with self-locking function

By introducing a self-locking function and a flow rate monitoring device into the combined valve, the problems of impurity blockage and misoperation are solved, achieving efficient impurity filtration and automatic control, and ensuring the stability and water-saving effect of the irrigation system.

CN122281069APending Publication Date: 2026-06-26GUANGZHOU XINXING VALVE IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGZHOU XINXING VALVE IND CO LTD
Filing Date
2026-05-13
Publication Date
2026-06-26

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Abstract

This invention relates to the field of water-saving valve technology and discloses a combined valve structure with a self-locking function, comprising a main body, a motor fixedly connected to the bottom of the main body, a water inlet pipe fixedly connected to the rear side of the main body, a water outlet pipe fixedly connected to the side of the main body away from the water inlet pipe, a central control unit fixedly connected to the top of the water outlet pipe, a top assembly fixedly connected to the top of the main body, a rotating assembly rotatably connected to the inner wall of the main body via bearings, and a first outer shell fixedly connected to the bottom of the water outlet pipe. By setting a first filter screen and a first outer shell, impurities such as iron filings, silt, and suspended solids mixed in with the water can be effectively filtered during irrigation. At the same time, by utilizing the inclined angle design of the first filter screen, impurities automatically slide along the inclined surface of the filter screen into the first outer shell for collection under the impact of water flow, instead of accumulating on the surface of the filter screen. This increases the storage capacity of impurities, delays the filter screen clogging cycle, and reduces the frequency of manual cleaning.
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Description

Technical Field

[0001] This invention relates to the field of water-saving valve technology, specifically a combined valve structure with a self-locking function. Background Technology

[0002] A modular valve is a control device that integrates the functions of multiple valves into a single valve body or module. Its compact design replaces the traditional series or parallel connection of multiple independent valves, significantly saving installation space, reducing leakage points, and simplifying piping layout. Commonly used in fluid transport systems such as HVAC, water supply and drainage, and industrial pipelines, it offers advantages such as high integration and ease of maintenance.

[0003] Patent application CN202310199759.6 discloses an IoT-based intelligent valve control system, including a control box, a signal transmitter, a signal receiver, and an electronic controller. A water inlet pipe is fixedly connected to the inner bottom of the control box. A water temperature sensor is located at the left end of the water inlet pipe, and a valve is located at the inner right end. An outlet pipe is fixedly connected to the right end of the water inlet pipe via a clamp. An electronic controller is located at the upper end of the valve. Through a solar panel, current monitor, battery, and central processing unit, the system powers the internal electronic components during actual use, thus meeting energy-saving and environmental protection requirements. Simultaneously, by monitoring the solar panel's light intensity, water temperature, humidity, and temperature data, the controller transmits this information to the control box, which then controls the valve's opening angle, effectively preventing damage to crops from high light intensity and high temperature. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a combined valve structure with a self-locking function to solve the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a combined valve structure with a self-locking function, comprising a main body, a motor fixedly connected to the bottom of the main body, a water inlet pipe fixedly connected to the rear side of the main body, a water outlet pipe fixedly connected to the side of the main body away from the water inlet pipe, a central control unit fixedly connected to the top of the water outlet pipe, a top assembly fixedly connected to the top of the main body, a rotating assembly rotatably connected to the inner wall of the main body via bearings, and a first outer shell fixedly connected to the bottom of the water outlet pipe; by setting a first filter screen and a first outer shell, impurities such as iron filings, silt, and suspended solids mixed in with the water can be effectively filtered during irrigation; at the same time, by utilizing the inclined angle design of the first filter screen, impurities automatically slide along the inclined surface of the filter screen into the first outer shell for centralized collection under the impact of water flow, instead of accumulating on the surface of the filter screen; this increases the storage capacity of impurities, delays the filter screen clogging cycle, and reduces the frequency of manual cleaning.

[0006] The rotating component includes:

[0007] The sphere has its bottom rotatably connected to the main body via a bearing. The output end of the motor is fixedly connected to the sphere. A circular plate is fixedly connected to the top of the sphere. An arc-shaped groove is formed on the outer wall of the circular plate. The motor can drive the rotating assembly to rotate as a whole and control the switching of the equipment. The arc-shaped groove can limit the deflection angle of the rotating assembly.

[0008] According to the above technical solution, a central plate is fixedly connected to the inner wall of the first housing, and a sleeve plate is movably connected to the outer wall of the central plate. A cover plate is fixedly connected to the front end of the first housing by bolts, and the front end of the sleeve plate fits against the cover plate. The cover plate can be removed from the front of the first housing to facilitate the removal of the sleeve plate. When it is necessary to clean the impurities accumulated inside the first housing, it is only necessary to unscrew the front bolts, open the cover plate, and pull out the sleeve plate along with the impurities on it as a whole, without disassembling the entire main valve body. This improves the maintenance efficiency of impurity cleaning and reduces maintenance costs.

[0009] According to the above technical solution, a first through groove is provided at the top of the inner wall of the first outer shell. The first through groove penetrates the first outer shell and extends to the inner wall of the water outlet pipe. A second through groove is provided at the top of the inner wall of the first outer shell away from the first through groove. The second through groove penetrates the first outer shell and extends to the inner wall of the water outlet pipe. In this way, some liquid inside the water outlet pipe can enter the first outer shell through the first through groove and return to the first filter screen from the second through groove.

[0010] According to the above technical solution, a first filter screen is fixedly connected to the inner wall of the water outlet pipe, and the water outlet pipe is set at an angle, wherein the tilt angle of the first filter screen is the same as the angle of the first through groove.

[0011] According to the above technical solution, a second filter screen is fixedly connected to the inner wall of the second through-channel, a bending plate is fixedly connected to the inner wall of the outlet pipe, and a flow rate device is fixedly connected to the inner wall of the outlet pipe. The flow rate device can detect the flow rate of the liquid discharged from the second through-channel, while the bending plate is set to avoid the influence of the flow rate of the liquid in the outlet pipe on the flow rate device. By setting the flow rate device, the flow rate of water flowing back from the second filter screen to the outlet pipe is monitored. Since the amount of water flowing back from the second through-channel directly reflects the degree of impurity accumulation in the first shell, the flow rate decreases when there is too much impurity. When the flow rate detected by the flow rate device is lower than the preset safety threshold, it indicates that the impurities in the first shell have accumulated excessively. At this time, the flow rate device feeds back an electrical signal to the central control unit, which automatically closes the valve by controlling the motor and the top component to avoid equipment damage caused by complete blockage.

[0012] According to the above technical solution, a first slot is provided on the top of the circular plate, and a central hole is provided on the top of the circular plate. An elastic component is fixedly connected to the inner wall of the first slot, and a locking block is fixedly connected to one end of the elastic component near the central hole. The outer wall of the locking block is movably connected to the first slot, wherein the locking block can lock the sphere below.

[0013] According to the above technical solution, the top component includes a second outer shell, the bottom of which is fixedly connected to the main body, and a third outer shell is fixedly connected to the top of the second outer shell. A protrusion is fixedly connected to the inner wall of the second outer shell, and the outer wall of the protrusion is movably connected to an arc-shaped groove. The protrusion is used to limit the range of motion of the circular plate. By setting the top component, the self-locking structure can effectively resist common field vibrations, accidental collisions, and human error, ensuring that the valve always maintains the correct on / off state when unattended, and avoiding water waste due to accidental opening or crop drought due to accidental closing.

[0014] According to the above technical solution, a push rod is fixedly connected to the inner wall of the third outer shell, and a movable block is fixedly connected to the bottom of the push rod. A second slot is opened on the outer wall of the movable block, and the inner wall of the second slot is movably connected to the locking block. The push rod is used to control the height of the movable block.

[0015] Compared with the prior art, the present invention provides a combined valve structure with a self-locking function, which has the following beneficial effects:

[0016] 1. By setting up a first filter screen and a first outer shell, the present invention can effectively filter impurities such as iron filings, mud, sand, and suspended solids in the water during irrigation. At the same time, by utilizing the inclined angle design of the first filter screen, impurities automatically slide along the inclined surface of the filter screen into the first outer shell for collection under the impact of water flow, instead of accumulating on the surface of the filter screen. This increases the storage capacity of impurities, delays the filter screen clogging cycle, and reduces the frequency of manual cleaning.

[0017] 2. This invention monitors the water flow rate from the second filter screen back to the outlet pipe by setting a flow rate device. Since the amount of water flowing back from the second through-channel directly reflects the degree of impurity accumulation inside the first casing, the flow rate decreases when there is too much impurity. When the water flow rate detected by the flow rate device is lower than the preset safety threshold, it indicates that the impurities inside the first casing have accumulated excessively. At this time, the flow rate device feeds back an electrical signal to the central control unit, which then controls the motor and top component to automatically close the valve to avoid equipment damage caused by complete blockage.

[0018] 3. By setting up a sleeve plate, when it is necessary to clean the impurities accumulated inside the first outer shell, it is only necessary to unscrew the front bolt, open the cover plate, and pull out the sleeve plate along with the impurities on it as a whole, without disassembling the entire main valve body; this improves the maintenance efficiency of impurity cleaning and reduces maintenance costs.

[0019] 4. By setting a top component, the self-locking structure of this invention can effectively resist common field vibrations, accidental collisions, and human error, ensuring that the valve always maintains the correct on / off state when unattended, and avoiding water waste due to accidental opening or crop drought due to accidental closing. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of the present invention;

[0023] Figure 3 This is a partial structural unfolded view of the present invention;

[0024] Figure 4 This is a cross-sectional view of the overall structure of the present invention;

[0025] Figure 5 This is a partial structural cross-sectional view of the present invention;

[0026] Figure 6 For the present invention Figure 5 Enlarged view of A in the middle;

[0027] Figure 7 This is a schematic diagram of the rotating component of the present invention;

[0028] Figure 8 This is a schematic diagram of the top component of the present invention.

[0029] In the diagram: 1. Main body; 101. Motor; 102. Inlet pipe; 103. Outlet pipe; 104. Central control; 105. First outer shell; 106. Center plate; 107. Sleeve plate; 108. Cover plate; 109. Bending plate; 1010. First filter screen; 1011. Flow rate device; 1012. First through groove; 1013. Second through groove; 1014. Second filter screen; 2. Rotating assembly; 201. Sphere; 202. Water passage hole; 203. Circular plate; 204. First slot; 205. Center hole; 206. Elastic assembly; 207. Locking block; 208. Arc groove; 3. Top assembly; 301. Second outer shell; 302. Third outer shell; 303. Push rod; 304. Protrusion block; 305. Movable block; 306. Second slot. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.

[0032] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0033] Example 1: See Figures 1-6The present invention provides a technical solution: a combined valve structure with a self-locking function, comprising a main body 1, a motor 101 fixedly connected to the bottom of the main body 1, a water inlet pipe 102 fixedly connected to the rear side of the main body 1, a water outlet pipe 103 fixedly connected to the side of the main body 1 away from the water inlet pipe 102, a central control 104 fixedly connected to the top of the water outlet pipe 103, a top assembly 3 fixedly connected to the top of the main body 1, a rotating assembly 2 rotatably connected to the inner wall of the main body 1 via bearings, a first outer shell 105 fixedly connected to the bottom of the water outlet pipe 103; a center plate 106 fixedly connected to the inner wall of the first outer shell 105, a sleeve plate 107 movably connected to the outer wall of the center plate 106, and a cover plate 108 fixedly connected to the front end of the first outer shell 105 via bolts. The front end of the sleeve 107 is fitted with the cover plate 108, wherein the cover plate 108 can be removed from the front of the first outer shell 105 for easy removal of the sleeve 107; a first through groove 1012 is provided at the top of the inner wall of the first outer shell 105, the first through groove 1012 penetrates the first outer shell 105 and extends to the inner wall of the water outlet pipe 103, and a second through groove 1013 is provided at the top end of the inner wall of the first outer shell 105 away from the first through groove 1012, the second through groove 1013 penetrates the first outer shell 105 and extends to the inner wall of the water outlet pipe 103, wherein part of the liquid inside the water outlet pipe 103 can enter the first outer shell 105 through the first through groove 1012 and return to the first filter screen 1010 through the second through groove 1013; the water outlet pipe 10 A first filter screen 1010 is fixedly connected to the inner wall of the second through groove 1012. The outlet pipe 103 is set at a 45-degree angle, wherein the tilt angle of the first filter screen 1010 is the same as the angle of the first through groove 1012. A second filter screen 1014 is fixedly connected to the inner wall of the second through groove 1013. A bending plate 109 is fixedly connected to the inner wall of the outlet pipe 103. A flow rate device 1011 is fixedly connected to the inner wall of the outlet pipe 103. The flow rate device 1011 can detect the flow rate of the liquid discharged from the second through groove 1013, while the bending plate 109 is set to avoid the influence of the flow rate of the liquid in the outlet pipe 103 on the flow rate device 1011. When the device is working, water flows into the interior of the main body 1 from the inlet pipe 102. The motor 101 drives the rotating assembly 2. When the sphere 201 rotates, the valve opens when the water passage 202 of the sphere 201 aligns with the inlet pipe and outlet pipe 103. When the water flows through the first filter screen 1010, impurities such as iron filings and mud are intercepted and slide down the inclined surface of the first filter screen 1010 under the impact of the water flow. The water then enters the first outer shell 105 through the first through groove 1012. The first outer shell 105 is provided with a sleeve plate 107, on which impurities are deposited. The impurities circulate around the sleeve plate 107, while part of the water flows with the impurities, and the other part of the filtered water flows back to the outlet pipe 103 through the second through groove 1013 and the second filter screen 1014. A flow rate device 1011 is installed at the outlet of the second through groove 1013 to detect the flow rate of the returning water.The bending plate 109 is used to block the main water flow from directly impacting the flow velocity device 1011. When too many impurities accumulate inside the first housing 105, the resistance to the backflow increases, and the flow velocity detected by the flow velocity device 1011 falls below the set threshold. At this time, a signal is transmitted to the central control 104 to close the ball 201, preventing blockage and damage. When it is necessary to clean the impurities, the cover plate 108 can be removed to pull out the sleeve plate 107 along with the impurities. After cleaning, it can be reinserted for quick maintenance.

[0034] Example 2: Please refer to Figures 7-8 Based on Embodiment 1, the present invention provides a technical solution: the rotating component 2 includes a sphere 201, the bottom of which is rotatably connected to the main body 1 via a bearing, the output end of a motor 101 is fixedly connected to the sphere 201, and a circular plate 203 is fixedly connected to the top of the sphere 201. An arc-shaped groove 208 is formed on the outer wall of the circular plate 203. The motor 101 can drive the rotating component 2 to rotate as a whole, controlling the switching of the device, while the arc-shaped groove 208 can limit the deflection angle of the rotating component 2. A first slot 204 is formed on the top of the circular plate 203, and a central hole 205 is formed on the top of the circular plate 203. An elastic component 206 is fixedly connected to the inner wall of the first slot 204, and a locking block 207 is fixedly connected to one end of the elastic component 206 near the central hole 205. The outer wall of the locking block 207 is movably connected to the first slot 204, and the locking block 207 can lock the sphere 201 below.

[0035] The top assembly 3 includes a second outer shell 301, the bottom of which is fixedly connected to the main body 1. A third outer shell 302 is fixedly connected to the top of the second outer shell 301. A protrusion 304 is fixedly connected to the inner wall of the second outer shell 301, and the outer wall of the protrusion 304 is movably connected to the arc-shaped groove 208. The protrusion 304 is used to limit the range of motion of the circular plate 203. A push rod 303 is fixedly connected to the inner wall of the third outer shell 302. A movable block 305 is fixedly connected to the bottom of the push rod 303. A second slot 306 is formed on the outer wall of the movable block 305. The inner wall of the second slot 306 is movably connected to the locking block 207. The push rod 303 is used to control the height of the movable block 305. When it is necessary to adjust the working state of the rotating component 2, the push rod 303 is first activated to lift the movable block 305 upward, so that the locking block 207 is disengaged from the second slot 306 and the self-locking is released. Then the motor 101 is activated to drive the rotating component 2 to rotate to the required position. After the rotation is in place, the push rod 303 drives the movable block 305 to reset downward, and the locking block 207 is locked into the second slot 306 again to achieve self-locking in the new state.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0037] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention 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 the present invention should be included within the protection scope of the present invention.

Claims

1. A combined valve structure with a self-locking function, comprising a main body (1), wherein a motor (101) is fixedly connected to the bottom of the main body (1), an inlet pipe (102) is fixedly connected to the rear side of the main body (1), an outlet pipe (103) is fixedly connected to the side of the main body (1) away from the inlet pipe (102), and a central control (104) is fixedly connected to the top of the outlet pipe (103), characterized in that, The top of the main body (1) is fixedly connected to a top component (3), the inner wall of the main body (1) is rotatably connected to a rotating component (2) via a bearing, and the bottom of the water outlet pipe (103) is fixedly connected to a first outer shell (105). The rotating component (2) includes: The bottom of the sphere (201) is rotatably connected to the main body (1) via a bearing. The output end of the motor (101) is fixedly connected to the sphere (201). A circular plate (203) is fixedly connected to the top of the sphere (201). An arc groove (208) is provided on the outer wall of the circular plate (203). The motor (101) can drive the rotating component (2) to rotate as a whole and control the switch of the equipment. The arc groove (208) can limit the deflection angle of the rotating component (2).

2. The combined valve structure with self-locking function according to claim 1, characterized in that: A center plate (106) is fixedly connected to the inner wall of the first outer shell (105), and a sleeve plate (107) is movably connected to the outer wall of the center plate (106). A cover plate (108) is fixedly connected to the front end of the first outer shell (105) by bolts. The front end of the sleeve plate (107) fits against the cover plate (108). The cover plate (108) can be disassembled from the front of the first outer shell (105) to facilitate the removal of the sleeve plate (107).

3. The combined valve structure with self-locking function according to claim 2, characterized in that: A first through groove (1012) is provided at the top of the inner wall of the first outer shell (105). The first through groove (1012) penetrates the first outer shell (105) and extends to the inner wall of the water outlet pipe (103). A second through groove (1013) is provided at the top of the inner wall of the first outer shell (105) away from the first through groove (1012). The second through groove (1013) penetrates the first outer shell (105) and extends to the inner wall of the water outlet pipe (103). Some liquid inside the water outlet pipe (103) can enter the first outer shell (105) through the first through groove (1012) and return to the first filter screen (1010) from the second through groove (1013).

4. A combined valve structure with self-locking function according to claim 3, characterized in that: The inner wall of the water outlet pipe (103) is fixedly connected to a first filter screen (1010). The water outlet pipe (103) is set at a 45-degree angle, wherein the tilt angle of the first filter screen (1010) is the same as the angle of the first through groove (1012).

5. A combined valve structure with self-locking function according to claim 4, characterized in that: A second filter screen (1014) is fixedly connected to the inner wall of the second through groove (1013), a bending plate (109) is fixedly connected to the inner wall of the water outlet pipe (103), and a flow rate device (1011) is fixedly connected to the inner wall of the water outlet pipe (103). The flow rate device (1011) can detect the flow rate of the liquid discharged from the second through groove (1013), while the bending plate (109) is designed to avoid the influence of the flow rate of the liquid in the water outlet pipe (103) on the flow rate device (1011).

6. A combined valve structure with self-locking function according to claim 5, characterized in that: The top of the circular plate (203) is provided with a first slot (204) and a central hole (205). An elastic component (206) is fixedly connected to the inner wall of the first slot (204). A locking block (207) is fixedly connected to one end of the elastic component (206) near the central hole (205). The outer wall of the locking block (207) is movably connected to the first slot (204). The locking block (207) can lock the sphere (201) below.

7. A combined valve structure with self-locking function according to claim 6, characterized in that: The top component (3) includes a second outer shell (301), the bottom of which is fixedly connected to the main body (1), and a third outer shell (302) is fixedly connected to the top of the second outer shell (301). A protrusion (304) is fixedly connected to the inner wall of the second outer shell (301), and the outer wall of the protrusion (304) is movably connected to the arc groove (208). The protrusion (304) is used to limit the range of motion of the circular plate (203).

8. A combined valve structure with self-locking function according to claim 7, characterized in that: A push rod (303) is fixedly connected to the inner wall of the third outer shell (302). A movable block (305) is fixedly connected to the bottom of the push rod (303). A second slot (306) is opened on the outer wall of the movable block (305). The inner wall of the second slot (306) is movably connected to the locking block (207). The push rod (303) is used to control the height of the movable block (305).