One-inlet multi-outlet switching stop valve

By incorporating a rotatable valve stem and motor drive within the gate valve, automatic switching from a single inlet to multiple outlets is achieved, solving the problem of traditional gate valves being unable to flexibly allocate multiple branches and improving the flexibility and efficiency of fluid distribution.

CN224079638UActive Publication Date: 2026-04-03ZHONGSHAN WEILIBAO ELECTRIC APPLIANCE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Most existing shut-off valves have a single inlet and a single outlet structure, which makes it difficult to achieve flexible switching from a single inlet to multiple outlets and cannot meet the needs of multi-branch distribution.

Method used

Design a one-inlet, multiple-outlet switching shut-off valve. By setting a rotatable valve stem and multiple outlet pipes in the valve body, and assembling a motor on the valve seat, the automatic switching of the outlet is achieved by using the motor to drive the valve stem to rotate.

Benefits of technology

It achieves single-inlet control of multiple outlets, and the motor drive ensures the consistency of the rotation center, enabling automatic switching of outlets and improving the flexibility and efficiency of fluid distribution.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224079638U_ABST
    Figure CN224079638U_ABST
Patent Text Reader

Abstract

The one-inlet multi-outlet switching stop valve comprises a valve body, a valve cover and a valve seat, the valve cover and the valve seat are assembled at the two ends of the valve body respectively, the valve cover is provided with a water inlet pipeline, a plurality of water outlet pipelines are arranged on the periphery of the valve body, a rotatable valve rod is further arranged in the valve body, a connecting cavity is formed in the valve body, and the connecting cavity is communicated with the valve cover. The water inlet pipeline is communicated with any water outlet pipeline through the valve body, a motor is assembled on the valve seat, the driving end of the motor is connected with the valve seat, and the motor drives the valve seat to rotate. The valve rod is rotatably arranged in the valve body, the water outlet pipelines are arranged on the outer edge of the valve body, the water inlet pipeline is arranged on the valve cover at one end of the valve body and matched with the connecting cavity in the valve rod, and the water inlet pipeline is communicated with the connecting cavity of the valve rod. The valve rod achieves communication between the connecting cavity and any water outlet pipeline in a rotating mode or can close communication between the connecting cavity and the water outlet pipeline at the same time, and opening and closing of a single inlet to multiple outlets are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of shut-off valve technology, and in particular to a single-inlet, multi-outlet switching shut-off valve. Background Technology

[0002] In fluid control systems, gate valves, as key actuators, are widely used for pipeline on / off control due to their excellent sealing performance and flow regulation capabilities. Traditional gate valves adopt a "one inlet, one outlet" structure, meaning a single inlet corresponds to a single outlet, and the opening, closing, or throttling of fluid is achieved by the vertical raising and lowering of the valve stem. However, more and more applications now require the distribution of a single water source to multiple independent branches and the switching between different outlets as needed. Therefore, there is an urgent need for a gate valve with one inlet and multiple outlets. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a simple structure that can realize the opening and closing of a single inlet to multiple outlets, and switch the control of the water outlet on demand by means of motor rotation, so as to solve the problems mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a one-inlet-multiple-outlet switching shut-off valve, including a valve body, a valve cover, and a valve seat. The valve cover and the valve seat are respectively assembled at both ends of the valve body. The valve cover is provided with an inlet pipe. Multiple outlet pipes are provided around the valve body. The valve body is also provided with a rotatable valve stem. The valve body is provided with a connecting cavity. The inlet pipe is connected to any one of the outlet pipes through the valve body. A motor is assembled on the valve seat. The drive end of the motor is connected to the valve seat. The motor drives the valve seat to rotate.

[0005] As a further improvement of this utility model: the valve stem includes a connecting body and an extension body, the connecting body and the extension body are integrally fixedly connected, and the connecting cavity is disposed in the connecting body.

[0006] As a further improvement of this utility model: the connecting cavity of the connector includes an inlet cavity and an outlet cavity, and the inlet cavity and the outlet cavity are connected.

[0007] As a further improvement of this utility model: the water inlet pipe is provided with a water inlet, the water inlet is connected to the water inlet cavity of the connector, any one of the water outlet pipes is provided with a water outlet, and the water outlet cavity is connected to any one of the water outlets by rotation.

[0008] As a further improvement of this utility model: the connecting body is provided with a main connecting body and a side connecting body, the water inlet cavity is provided in the main connecting body, and the water outlet cavity is provided in the side connecting body.

[0009] As a further improvement of this utility model: the motor is provided with an output shaft, and the main body of the valve stem is rotatably connected to the motor through the output shaft.

[0010] As a further improvement of this utility model: the valve body is also provided with a shaft seat, the shaft seat has a shaft cavity, and the output shaft is disposed in the shaft cavity.

[0011] As a further improvement of this utility model: a first sealing ring is sleeved on one end of the main connecting body, and the main connecting body of the valve stem is sealed to the shaft seat of the valve body through the first sealing ring.

[0012] As a further improvement of this utility model: the outer extension of the valve stem is provided with a second sealing ring and a third sealing ring, the third sealing ring is also sleeved on the outlet of the water outlet chamber, and the second sealing ring and the third sealing ring are arranged opposite to each other.

[0013] As a further improvement of this utility model: the valve body is provided with a fourth sealing ring, the valve cover is sealed to the valve body through the fourth sealing ring, and the other end of the main connecting body of the valve stem is provided with a fifth sealing ring, the valve cover is sealed to the main connecting body of the valve stem through the fifth sealing ring.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model rotatably installs a valve stem within the valve body, and provides multiple outlet pipes extending beyond the valve body and an inlet pipe on the valve cover at one end of the valve body. The inlet pipe connects to the connecting cavity within the valve stem, and the valve stem rotates to connect the connecting cavity to any one of the outlet pipes or simultaneously close the connection between the connecting cavity and the outlet pipes, thus achieving single-inlet to multiple-outlet opening and closing. Furthermore, by mounting a motor on the valve seat at the other end of the valve body, with the motor's drive end connected to the valve stem, the valve stem is driven to rotate via the motor, enabling automatic switching of the outlet.

[0016] 2. In this embodiment, the coaxial design of the motor, valve stem, water inlet chamber and water inlet pipe ensures the consistency of the rotation center. The valve stem is driven to rotate by the motor, which can realize automatic switching of the water outlet.

[0017] 3. In this utility model, the outer body is designed as a barrel shape and the connecting body is designed as a T-shape. The connecting body is fixed in the middle of the bottom of the barrel-shaped outer body, and one end of the connecting body is connected to the side of the barrel-shaped outer body. The connecting cavity extends vertically downward from the middle of the outer body without penetrating the connecting body, and then extends to the side of the outer body, penetrating the connecting body and the outer body, so that the connecting cavity forms a channel in the connecting body. When the water inlet pipe and any water outlet pipe are connected to the connecting cavity, the water inlet pipe and any water outlet pipe are connected. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the valve cover structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the valve body structure of this utility model. Figure 1 ;

[0022] Figure 5 This is a schematic diagram of the valve body structure of this utility model. Figure 2 ;

[0023] Figure 6 This is a schematic diagram of the valve stem structure of this utility model. Figure 1 ;

[0024] Figure 7 This is a schematic diagram of the valve stem structure of this utility model. Figure 2 ;

[0025] Figure 8 This is a schematic diagram of the motor structure of this utility model.

[0026] The following are the labels in the diagram: 1. Valve body, 11. Water outlet pipe, 12. Water outlet, 13. Second sealing ring, 14. Second sealing ring, 2. Valve stem, 21. Water inlet chamber, 22. Water outlet chamber, 23. Extension body, 24. Connecting body, 241. Main connecting body, 242. Side connecting body, 3. Valve cover, 31. Water inlet pipe, 32. Water inlet, 4. Valve seat, 5. Motor, 6. Output shaft, 7. First sealing ring, 8. Fourth sealing ring, 9. Fifth sealing ring. Detailed Implementation

[0027] In order to clearly and completely understand the technical solution, the present invention will be further described in conjunction with the embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0029] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0030] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0031] This utility model provides a single-inlet, multi-outlet switching shut-off valve, including a valve body 1, a valve cover 3, and a valve seat 4. The valve cover 3 and the valve seat 4 are respectively mounted on both ends of the valve body 1. The valve cover 3 is provided with an inlet pipe 31. The valve body 1 is provided with multiple outlet pipes 11 on its outer periphery. The valve body 1 is also provided with a rotatable valve stem 2. The valve body 1 is provided with a connecting cavity. The inlet pipe 31 is connected to any one of the outlet pipes 11 through the valve body 1. The valve seat 4 is equipped with a motor 5. The drive end of the motor 5 is connected to the valve seat 4, and the motor 5 drives the valve seat 4 to rotate.

[0032] This invention features a valve stem 2 rotatably mounted inside a valve body 1, multiple outlet pipes 11 extending outward from the valve body 1, and an inlet pipe 31 mounted on a valve cover 3 at one end of the valve body 1. The inlet pipe 31 connects to the connecting cavity within the valve stem 2, allowing the valve stem 2 to rotate and connect the connecting cavity to any one of the outlet pipes 11, or simultaneously close the connection between the connecting cavity and the outlet pipes 11. This enables the opening and closing of multiple outlets from a single inlet. Furthermore, a motor 5 is mounted on a valve seat 4 at the other end of the valve body 1, with its drive end connected to the valve stem 2. Driving the valve stem 2 through the motor 5 allows for automatic switching of the outlet 12.

[0033] In one embodiment of this utility model, the valve stem 2 includes a connecting body 24 and an extension body 23. The connecting body 24 and the extension body 23 are integrally fixedly connected, and the connecting cavity is disposed within the connecting body 24. The extension body 23 is designed as a barrel shape, and the connecting body 24 is designed as a T-shape. The connecting body 24 is fixed in the middle of the bottom of the barrel-shaped extension body 23, and one end of the connecting body 24 is connected to the side of the barrel-shaped extension body 23. The connecting cavity extends vertically downward from the middle of the extension body 23 without penetrating the connecting body 24, and then extends to the side of the extension body 23, penetrating the connecting body 24 and the extension body 23, so that the connecting cavity forms a channel within the connecting body 24. This allows the inlet pipe 31 and any one of the outlet pipes 11 to be connected when the connecting cavity is connected.

[0034] Furthermore, the connecting cavity of the connector 24 includes an inlet cavity 21 and an outlet cavity 22, which are connected. In this embodiment, the connection between the inlet cavity 21 and the outlet cavity 22 facilitates the alignment of the outlet cavity 22 with different outlets by controlling the rotation angle.

[0035] Furthermore, the water inlet pipe 31 is provided with a water inlet 32, which connects to the water inlet cavity 21 of the connecting body 24. Each of the water outlet pipes 11 is provided with a water outlet 12, and the water outlet cavity 22 is connected to any one of the water outlets 12 by rotation. In this embodiment, the main connecting body 241 and the water inlet pipe 31 are connected to external water, and the side connecting body 242 is connected to any one of the water outlet pipes 11. By controlling the rotation angle to align the water outlet cavity 22 with different outlets, rapid switching between multiple different outlets can be achieved.

[0036] In one embodiment of the present invention, the connector 24 is provided with a main connector 241 and a side connector 242, the water inlet chamber 21 is provided in the main connector 241, and the water outlet chamber 22 is provided in the side connector 242.

[0037] In one embodiment of this utility model, the motor 5 is provided with an output shaft 6, and the main connecting body 241 of the valve stem 2 is rotatably connected to the motor 5 through the output shaft 6. In this embodiment, the coaxial design of the motor 5, valve stem 2, water inlet chamber 21 and water inlet pipe 31 ensures the consistency of the rotation center. By driving the valve stem 2 to rotate through the motor 5, the automatic switching of the water outlet 12 can be realized.

[0038] In one embodiment of this utility model, the valve body 1 is further provided with a shaft seat, the shaft seat having a shaft cavity, and the output shaft 6 is disposed within the shaft cavity. In this embodiment, the shaft cavity provides radial support for the output shaft 6, reducing vibration and sway during high-speed rotation and achieving a positioning effect.

[0039] In one embodiment of this utility model, a first sealing ring 7 is sleeved on one end of the main connecting body 241, and the main connecting body 241 of the valve stem 2 is sealed to the shaft seat of the valve body 1 through the first sealing ring 7. The first sealing ring 7 adapts to the rotation of the valve stem 2 and axial pressure, preventing water from leaking along the axial direction of the valve stem 2.

[0040] In one embodiment of this utility model, the extension 23 of the valve stem 2 is provided with a second sealing ring 13 and a third sealing ring 14. The third sealing ring 14 is also sleeved on the outlet of the water outlet chamber 22. The second sealing ring 13 and the third sealing ring 14 are arranged opposite to each other. The second sealing ring 13 is used when connecting with the water inlet pipe 31 when the shut-off valve is closed. The third sealing ring 14 seals the connection between the water outlet chamber 22 and the water inlet 32 ​​when the water outlet chamber 22 is connected with the water inlet 32 ​​of the water inlet pipe 31. The second sealing ring 13 and the third sealing ring 14 form a double barrier to prevent water from leaking from the gap between the valve stem 2 and the valve body 1.

[0041] In one embodiment of this utility model, the valve body 1 is provided with a fourth sealing ring 8, and the valve cover 3 is sealed to the valve body 1 through the fourth sealing ring 8. A fifth sealing ring 9 is provided at the other end of the main connecting body 241 of the valve stem 2, and the valve cover 3 is sealed to the main connecting body 241 of the valve stem 2 through the fifth sealing ring 9. In this embodiment, the fourth sealing ring 8 seals the gap at the connection between the valve cover 3 and the valve body 1, and the fifth sealing ring 9 seals the gap at the connection between the valve cover 3 and the main connecting body 241.

[0042] In summary, any other corresponding modifications made by those skilled in the art after reading this utility model document, based on the technical solution and concept of this utility model without creative mental effort, shall all fall within the scope of protection of this utility model.

[0043] In summary, any other corresponding modifications made by those skilled in the art after reading this utility model document, based on the technical solution and concept of this utility model without creative mental effort, shall all fall within the scope of protection of this utility model.

Claims

1. A one-in and multi-out switching stop valve comprising a valve body, a valve cover and a valve seat, the valve cover and the valve seat are respectively assembled at both ends of the valve body, the valve cover is provided with a water inlet pipeline, characterized in that, The valve body is provided with a plurality of water outlet pipes, and a rotatable valve rod is arranged in the valve body.

2. The one-in, multiple-out on-off switch valve according to claim 1, wherein The valve rod comprises a connecting body and an extension body, and the connecting body is fixedly connected with the extension body.

3. The one-in, multiple-out on-off switch valve according to claim 2, wherein The connecting cavity of the connecting body comprises a water inlet cavity and a water outlet cavity.

4. The one-in, multiple-out on-off switch valve according to claim 3, wherein The water inlet pipe is provided with a water inlet opening, and the water inlet opening is connected with the water inlet cavity of the connecting body.

5. The one-in, multiple-out on-off switch valve according to claim 3, wherein The connecting body is provided with a main connecting body and a side connecting body, the water inlet cavity is arranged in the main connecting body, and the water outlet cavity is arranged in the side connecting body.

6. The one-in, multiple-out on-off switch valve according to claim 1, wherein The main connecting body of the valve rod is rotatably connected with the motor through the output shaft.

7. The one-in, multiple-out on-off switch valve according to claim 6, wherein The valve body is further provided with a shaft seat, the shaft seat is provided with a shaft cavity, and the output shaft is arranged in the shaft cavity.

8. The one-in many-out switching stop valve according to claim 7, wherein One end of the main connecting body is sleeved with a first sealing ring, and the main connecting body of the valve rod is sealingly connected with the shaft seat of the valve body through the first sealing ring.

9. The one-in many-out switching stop valve according to claim 8, characterized by The extension body of the valve rod is provided with a second sealing ring and a third sealing ring, the third sealing ring is further sleeved on the outlet of the water outlet cavity, and the second sealing ring and the third sealing ring are oppositely arranged.

10. The one-in many-out switching stop valve according to claim 9, wherein The valve body is provided with a fourth sealing ring, the valve cover is sealingly connected with the valve body through the fourth sealing ring, the other end of the main connecting body of the valve rod is provided with a fifth sealing ring, and the valve cover is sealingly connected with the main connecting body of the valve rod through the fifth sealing ring.