Shunt valve with drainage function
By introducing a drain hole and a multi-layer sealing structure into the water distribution valve, the problems of water accumulation and corrosion during water outages or maintenance are solved, enabling rapid drainage and convenient maintenance, and improving the maintenance efficiency and structural independence of the water distribution valve.
Patent Information
- Application Number
- CN202520804756.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-04-25
AI Technical Summary
The existing water distribution valve cannot drain the water in the pipe in time when the water supply is interrupted or during maintenance, resulting in water accumulation and corrosion. When it is damaged, it needs to be completely disassembled and replaced, which is time-consuming and labor-intensive.
A water distribution valve with a drain function has been designed, comprising components such as a shell, copper rod, rotor, upper ceramic plate, lower ceramic plate, and base. It can quickly drain water from the pipeline through the drain hole, adopts a multi-layer sealing structure to improve the installation sealing performance, and supports quick disassembly and assembly for easy cleaning and maintenance.
It enables rapid drainage of water from pipes during maintenance, improving maintenance efficiency. Damaged parts can be replaced individually without overall disassembly. It has a strong structural independence, supports quick assembly and disassembly, and is easy to clean and maintain.
Smart Images

Figure CN223895117U_ABST
Abstract
Description
Technical Field
[0001] This utility model is a water distribution valve with a drainage function, belonging to the field of valve technology. Background Technology
[0002] Water distribution valves are widely used in HVAC, irrigation and other systems to distribute or switch water flow paths.
[0003] However, most water distribution valves do not have a drain design. When the water supply is interrupted or maintenance is required, the residual water in the pipe cannot be drained in time, which can easily lead to water accumulation and corrosion. In addition, when internal parts are damaged, disassembly and replacement require the entire valve to be disassembled, which is time-consuming and laborious. There is an urgent need for a water distribution valve with a drain function to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a water distribution valve with a drainage function to solve the problems mentioned in the background art. This utility model can quickly drain the water in the pipeline during water distribution valve maintenance by using the drainage hole, thereby improving maintenance efficiency. Moreover, the overall structure is highly independent and can be replaced individually when damaged, without the need for overall disassembly. The base and outer shell are reasonably designed to support quick disassembly and assembly, facilitating cleaning and maintenance.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a water distribution valve with a drainage function, comprising a housing, a copper rod, a rotor, an upper ceramic plate, a lower ceramic plate, and a base. The copper rod penetrates the housing, and its lower end is inserted into the rotor. A pin hole is provided at the connection between the copper rod and the rotor, and a pin is inserted into the pin hole. Multiple positioning protrusions are integrally fixed to the lower end of the rotor. The upper ceramic plate is attached to the lower end of the rotor, and multiple positioning grooves are provided on the upper end of the upper ceramic plate. The multiple positioning protrusions are respectively engaged in the multiple positioning grooves. The lower ceramic plate... The lower ceramic plate is attached to the lower end of the upper ceramic plate. Multiple side grooves are formed on the side surface of the lower ceramic plate. Multiple water flow channels are formed through the upper end of the lower ceramic plate. A spring groove is formed on the left side of the upper end of the rotor, and a spring is installed longitudinally in the spring groove. A spring head is installed on the upper end of the spring. Multiple drain holes are formed through the lower end of the base. A positioning and mounting groove is formed on the lower edge of the outer shell. Multiple snap-fit slots are formed on the side surface of the outer shell. The base is located on the lower ceramic plate and the base and the lower edge of the outer shell are engaged with each other. A positioning and mounting block and multiple plastic hook plates are fixed on the upper edge of the base.
[0006] Furthermore, two small O-rings are provided at the connection between the copper rod and the inside of the outer casing, and an O-ring is fitted on the upper part of the outer casing.
[0007] Furthermore, the upper end of the projectile abuts against the upper end of the inner shell.
[0008] Furthermore, a drainage groove is provided at the right end of the rotor and the upper ceramic plate, and the drainage groove is connected to one of the water flow channels and one of the drainage holes.
[0009] Furthermore, a first inner sealing ring and a second inner sealing ring are respectively inserted into the upper and lower ends of the outer sides of the plurality of drainage holes.
[0010] Furthermore, the multiple plastic hook plates pass through multiple side slots respectively, and the upper ends of the multiple plastic hook plates are respectively inserted into multiple pocket slots.
[0011] The beneficial effects of this utility model are as follows: This utility model provides a water distribution valve with a drainage function. Because this utility model adds a shell, pin, copper rod, spring, rotor, upper ceramic plate, lower ceramic plate, base, positioning mounting block, positioning protrusion, and plastic hook plate, our design improvements and actual use have shown that this device has a reasonable structure and good practicality. When repairing the water distribution valve, the water in the pipeline can be quickly drained using the drainage hole, improving maintenance efficiency. Moreover, the overall structure is highly independent, and can be replaced individually when damaged without the need for overall disassembly. The base and shell are reasonably designed to support quick disassembly and assembly, facilitating cleaning and maintenance. Attached Figure Description
[0012] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0013] Figure 1 This is a schematic diagram of the overall installation of a water distribution valve with a drainage function according to this utility model;
[0014] Figure 2 This is an exploded structural diagram of a water distribution valve with a drainage function according to this utility model;
[0015] Figure 3 This is a bottom view schematic diagram of a water distribution valve with a drainage function according to this utility model.
[0016] In the diagram: 1-Outer shell, 2-O-ring, 3-Small O-ring, 4-Pin, 5-Copper rod, 6-Bullet, 7-Spring, 8-Rotor, 9-Upper ceramic plate, 10-Lower ceramic plate, 11-First inner sealing ring, 12-Base, 13-Second inner sealing ring, 14-Positioning mounting groove, 15-Positioning mounting block, 16-Pin hole, 17-Drainage slot, 18-Positioning protrusion, 19-Positioning groove, 20-Plastic hook plate, 21-Bubble slot, 22-Side slot, 23-Water flow channel, 24-Drainage hole. Detailed Implementation
[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0018] Please see Figures 1-3 This utility model provides a technical solution: a water distribution valve with a drainage function, including a housing 1, a copper rod 5, a rotor 8, an upper ceramic plate 9, a lower ceramic plate 10, and a base 12. The copper rod 5 penetrates the housing 1, and its lower end is inserted into the rotor 8. A pin hole 16 is provided at the connection between the copper rod 5 and the rotor 8, and a pin 4 is inserted into the pin hole 16. Multiple positioning protrusions 18 are integrally fixed at the lower end of the rotor 8. The upper ceramic plate 9 is attached to the lower end of the rotor 8, and multiple positioning grooves 19 are provided at the upper end of the upper ceramic plate 9. The multiple positioning protrusions 18 are respectively inserted into the multiple positioning grooves 19. The lower ceramic plate 10 is attached to the lower end of the upper ceramic plate 9, and multiple side notches 22 are provided on the side surface of the lower ceramic plate 10. Multiple water... The flow channel 23 has a spring groove on the upper left side of the rotor 8, and a spring 7 is installed longitudinally in the spring groove. A bullet head 6 is installed on the upper end of the spring 7. Multiple drain holes 24 are opened through the lower end of the base 12. A positioning mounting groove 14 is opened on the lower edge of the outer shell 1. Multiple snap-fit slots 21 are opened on the side surface of the outer shell 1. The base 12 is located below the lower ceramic plate 10, and the base 12 and the lower edge of the outer shell 1 are engaged with each other. A positioning mounting block 15 and multiple plastic hook plates 20 are fixed on the upper edge of the base 12. This design solves the problem that the original water distribution valve has no drain design, and when the water is stopped or maintenance is carried out, the residual water in the pipe cannot be discharged in time, which can easily cause water accumulation and corrosion. In addition, when the internal parts are damaged, disassembly and replacement require the whole disassembly, which is time-consuming and laborious.
[0019] As the first embodiment of this utility model: two small O-rings 3 are provided at the connection between the copper rod 5 and the inner part of the outer shell 1, and an O-ring 2 is fitted on the upper part of the outer shell 1. The upper and lower parts of the outer sides of the multiple drain holes 24 are respectively fitted with a first inner sealing ring 11 and a second inner sealing ring 13. By providing two small O-rings 3 at the connection between the copper rod 5 and the inner part of the outer shell 1, fitting an O-ring 2 on the upper part of the outer shell 1, and fitting a first inner sealing ring 11 and a second inner sealing ring 13 on the upper and lower parts of the outer sides of the multiple drain holes 24, the sealing performance of the overall installation of this device can be improved.
[0020] The upper end of the projectile 6 abuts against the upper inner end of the outer casing 1. A drainage slot 17 is provided at the right end of the rotor 8 and the upper ceramic plate 9. This drainage slot 17 is connected to one of the water flow channels 23 and one of the drainage holes 24. The addition of the drainage slot 17 facilitates the drainage of water from this device. Multiple plastic hook plates 20 pass through multiple side slots 22, and the upper ends of the multiple plastic hook plates 20 are respectively engaged in multiple slots 21. This arrangement of multiple plastic hook plates 20 through multiple side slots 22 and their upper ends engaging in multiple slots 21 enables the limiting of the lower ceramic plate 10 and facilitates quick installation between the outer casing 1 and the base 12.
[0021] As a second embodiment of this utility model: In actual use, the copper rod 5 is rotated, and the copper rod 5 transmits the rotational force to the rotor 8 through the pin 4. The rotor 8 rotates, and because multiple positioning protrusions 18 are respectively engaged in multiple positioning grooves 19, the upper ceramic plate 9 can be driven to rotate when the rotor 8 rotates. This changes the position of the two drain slots 17, so that the two drain slots 17 can communicate with the water flow channel 23 at other positions and the drain hole 24 at another suitable position, thus changing the water flow position of the water flow channel 23 inside the valve. This allows the valve to be opened or closed. During this process, the bullet 6 changes its position against the inside of the outer casing 1. With the cooperation of the spring 7 and the bullet 6, the spring 7 provides resistance, allowing the copper rod 5 and the rotor 8 to remain stably in a specific position, ensuring the accuracy of flow regulation and preventing rotation on their own. When disassembling, simply press the plastic hook plates 20 at the multiple slots 21 until the upper ends of the multiple plastic hook plates 20 detach from the multiple slots 21, and pull down the base 12 to separate the base 12 from the outer casing 1. This is quick and convenient.
[0022] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A water distribution valve with a drainage function, comprising a housing (1), a copper rod (5), a rotor (8), an upper ceramic plate (9), a lower ceramic plate (10), and a base (12), characterized in that: The copper rod (5) penetrates the outer shell (1), and the lower end of the copper rod (5) is inserted into the rotor (8). A pin hole (16) is opened through the connection between the copper rod (5) and the rotor (8), and a pin (4) is inserted into the pin hole (16). Multiple positioning protrusions (18) are integrally fixed at the lower end of the rotor (8). The upper ceramic plate (9) is attached to the lower end of the rotor (8). Multiple positioning grooves (19) are opened at the upper end of the upper ceramic plate (9). Multiple positioning protrusions (18) are respectively inserted into multiple positioning grooves (19). The lower ceramic plate (10) is attached to the lower end of the upper ceramic plate (9). Multiple side grooves (22) are opened on the side surface of the lower ceramic plate (10). Multiple water flow channels (23) are opened through the upper end of the lower ceramic plate (10). The upper left side of the rotor (8) is provided with a spring groove, and a spring (7) is installed longitudinally in the spring groove. A bullet (6) is installed on the upper end of the spring (7). Multiple drain holes (24) are provided through the lower end of the base (12). A positioning mounting groove (14) is provided on the lower edge of the outer shell (1). Multiple snap-fit slots (21) are provided on the side surface of the outer shell (1). The base (12) is located on the lower ceramic plate (10), and the base (12) and the lower edge of the outer shell (1) are engaged with each other. A positioning mounting block (15) and multiple plastic hook plates (20) are fixed on the upper edge of the base (12).
2. A water distribution valve with a drainage function according to claim 1, characterized in that: Two small O-rings (3) are provided at the connection between the copper rod (5) and the inside of the outer shell (1), and an O-ring (2) is fitted on the upper part of the outer shell (1).
3. A water distribution valve with a drainage function according to claim 1, characterized in that: The upper end of the warhead (6) abuts against the upper end of the inner side of the outer shell (1).
4. A water distribution valve with a drainage function according to claim 1, characterized in that: The rotor (8) and the upper ceramic plate (9) have a drainage groove (17) at their right ends, and the drainage groove (17) is connected to one of the water flow channels (23) and one of the drainage holes (24).
5. A water distribution valve with a drainage function according to claim 1, characterized in that: The upper and lower ends of the multiple drainage holes (24) are respectively fitted with a first inner sealing ring (11) and a second inner sealing ring (13).
6. A water distribution valve with a drainage function according to claim 1, characterized in that: Multiple plastic hook plates (20) pass through multiple side slots (22) respectively, and the upper ends of multiple plastic hook plates (20) are respectively inserted into multiple card slots (21).