Four-way stop valve
The four-way shut-off valve, designed with a cylindrical main cavity and a cross-shaped flow channel, solves the problem of complex structure of existing four-way shut-off valves, realizes precise control of fluid flow direction and flexible adjustment of flow rate, and reduces cost and operation difficulty.
Patent Information
- Application Number
- CN202520214223.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing four-way gate valves have complex pipeline designs, are difficult to install and maintain, have a large number of valves, are costly, are cumbersome to control, and require a large space for four-way connection, which increases construction costs.
It adopts a cylindrical main cavity and cylindrical valve core design, combined with a cross-shaped flow channel, and is equipped with a throttling element and adjustment handle to achieve precise control of fluid flow direction and flow regulation. Sealing performance and flexibility are improved by sealing bearings and spherical throttling elements.
The simplified internal structure reduces manufacturing and maintenance costs, enables precise control of fluid flow direction and flexible adjustment of flow rate, and improves the valve's operating accuracy and flexibility.
Smart Images
Figure CN223923925U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of valve technology, specifically, it relates to a four-way shut-off valve. Background Technology
[0002] Currently, existing four-way gate valves typically consist of multiple interconnected valves and pipelines. However, this structure has many drawbacks. First, the pipeline design is extremely complex, with numerous pipelines intertwined, which not only increases the difficulty of installation but also easily causes problems during later maintenance. Second, the large number of valves used not only increases costs but also makes the control of the entire system cumbersome. Furthermore, the large number of pipelines and the large space required for four-way connection further increase construction costs.
[0003] In view of this, this utility model is proposed. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a four-way shut-off valve, which solves the problems mentioned in the background art.
[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:
[0006] A four-way shut-off valve includes a valve body with a main cavity. The main cavity is cylindrical, and four connection ports are evenly distributed on the side wall of the main cavity, namely a first connection port, a second connection port, a third connection port, and a fourth connection port, all of which communicate with the interior of the main cavity. A valve core, also cylindrical, is disposed within the main cavity, and a flow channel penetrating both ends of the valve core is provided on the valve core. A driving device is disposed at the top of the valve body and is connected to the valve core. A throttling element is disposed within the flow channel of the valve core, and the throttling element is connected to an external adjusting handle via a rotating shaft penetrating the side wall of the valve core. A throttling orifice is provided on the surface of the throttling element.
[0007] Optionally, the flow channel includes a first channel and a second channel that are perpendicular to each other, and the first channel and the second channel intersect inside the valve core to form a cross-shaped structure.
[0008] Optionally, the rotating shaft is connected to the side wall of the valve core using a sealed bearing.
[0009] Optionally, the driving device is an adjustment knob, which is fixedly connected to the valve core.
[0010] Optionally, the throttling element is spherical and rotatably connected to the inside of the valve core.
[0011] Optionally, each of the four connection ports is equipped with a connecting flange or threaded interface, and a sealing gasket is provided at the connection port and the external connecting pipe.
[0012] Optionally, the outer diameter of the valve core is adapted to the inner diameter of the main cavity, and it can rotate around its own axis within the main cavity.
[0013] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:
[0014] 1. By setting the valve core, adopting a cylindrical main cavity and a matching cylindrical valve core design, combined with a cross-shaped flow channel, the valve structure is compact and reasonable. While realizing the four-way function, it simplifies the internal structure and reduces manufacturing and maintenance costs.
[0015] 2. By setting up a first channel and a second channel, the first channel and the second channel form a cross-shaped flow channel. The cooperation between the flow channel and the valve core can realize diverse connection combinations between the four connection ports, accurately control the fluid flow direction, and meet the needs under different working conditions.
[0016] 3. By setting up a throttling element, the unique design of the spherical throttling element and its rotational connection with the valve core, combined with the sealed bearing and external adjustment handle, operators can precisely adjust the fluid flow rate, improving the accuracy and flexibility of the valve in flow control.
[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0018] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure;
[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the valve body;
[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the valve core;
[0022] Figure 4 for Figure 3 A schematic diagram showing the exploded structure of the valve core and throttling element.
[0023] The attached diagram lists the components represented by each number as follows:
[0024] 1. Valve body; 2. Main chamber; 3. First connection port; 4. Second connection port; 5. Third connection port; 6. Fourth connection port; 7. Valve core; 8. Adjustment knob; 9. Rotary shaft; 10. Adjustment handle; 11. First channel; 12. Throttling element; 13. Throttling orifice; 14. Second channel.
[0025] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0026] The present invention will now be described in further detail with reference to the accompanying drawings.
[0027] Please see Figure 1-4 As shown, this embodiment provides a four-way shut-off valve, including a valve body 1. The valve body 1 has a main cavity 2, which is cylindrical. The main cavity 2 has four connection ports evenly distributed on its side wall, namely the first connection port 3, the second connection port 4, the third connection port 5, and the fourth connection port 6. All four connection ports are connected to the interior of the main cavity 2. A valve core 7 is provided in the main cavity 2. The valve core 7 is cylindrical and has a flow channel penetrating both ends. A driving device is provided at the top of the valve body 1 and is connected to the valve core 7. A throttling element 12 is provided in the flow channel of the valve core 7. The throttling element 12 is connected to an external adjusting handle 10 through a rotating shaft 9 penetrating the side wall of the valve core 7. A throttling orifice 13 is provided on the surface of the throttling element 12.
[0028] The valve body 1 is the main outer shell of the four-way shut-off valve, serving to support and protect internal components and connect to external pipelines. The main chamber 2, located inside the valve body 1, is cylindrical in shape. This shape facilitates the smooth rotation of the valve core 7 within it and provides a relatively regular flow space for the fluid, reducing flow resistance and turbulence. The four connection ports are the interfaces for connecting the four-way shut-off valve to external pipelines. Through these ports, fluid can enter and exit the main chamber 2 inside the valve body 1, achieving fluid passage connections in different directions, thus fulfilling the "four-way" functional requirement of the four-way shut-off valve. Furthermore, all four connection ports are directly connected to the interior of the main chamber 2, ensuring free flow of fluid between the connection ports and the main chamber 2. The valve core 7 is cylindrical, and its outer diameter matches the inner diameter of the main chamber 2. This allows the valve core 7 to be tightly installed within the main chamber 2, enabling flexible rotation around its own axis within the main chamber 2 while ensuring good sealing to prevent fluid leakage between the valve core 7 and the wall of the main chamber 2. The valve core 7 has a flow channel extending through both ends. This channel is the path for fluid to flow inside the valve core 7. When the valve core 7 rotates to different positions, the flow channel aligns with different connection ports, thereby achieving communication between different connection ports and controlling the fluid flow direction. Through the action of the drive device, the valve core 7 can be driven to rotate around its own axis in the main cavity 2, thereby changing the relative position of the flow channel and the connection port, and achieving control of the fluid flow direction. The throttling element 12 is connected to the external adjustment handle 10 through a rotating shaft 9 that passes through the side wall of the valve core 7. The operator can rotate the adjustment handle 10 outside the valve body 1, and drive the throttling element 12 to rotate in the flow channel through the rotating shaft 9, thereby conveniently adjusting the position of the throttling element 12. By rotating the throttling element 12, the relative position of the throttling orifice 13 and the fluid flow direction can be changed, thereby adjusting the cross-sectional area of the fluid through the throttling orifice 13, and thus achieving the regulation of the fluid flow rate.
[0029] In this embodiment, the flow channel includes a first channel 11 and a second channel 14 that are perpendicular to each other. The first channel 11 and the second channel 14 intersect inside the valve core 7 to form a cross-shaped structure. The four-way shut-off valve can flexibly realize diverse connection combinations between the four connection ports under different rotation angles of the valve core 7. For example, when the first channel 11 is aligned with two opposite connection ports, a fluid passage is formed between these two connection ports. After the valve core 7 is rotated 90 degrees, the second channel 14 is aligned with two other opposite connection ports, and different fluid passages are established. The rotating shaft 9 is connected to the side wall of the valve core 7 by a sealed bearing. On the one hand, this ensures that the rotating shaft 9 can rotate smoothly on the side wall of the valve core 7, so that the throttling element 12 connected to the rotating shaft 9 can be flexibly adjusted in position, thereby achieving effective regulation of the flow rate. On the other hand, the sealed bearing has good sealing performance, which can prevent the fluid in the main cavity 2 from leaking out through the gap between the rotating shaft 9 and the side wall of the valve core 7, ensuring the stability and sealing of the fluid flow inside the valve, and maintaining the normal operation of the valve.
[0030] The driving device is an adjustment knob 8, which is fixedly connected to the valve core 7. By manually rotating the adjustment knob 8, the operator can directly drive the valve core 7 to rotate around its own axis within the main cavity 2.
[0031] The throttling element 12 is spherical and rotatably connected to the valve core 7. The surface of the sphere is curved, allowing for more flexible adjustment of the throttling area when it rotates within the valve core 7, thus enabling finer regulation of the fluid flow rate. This rotatable connection to the valve core 7 allows the throttling element 12 to rotate freely within the flow channel of the valve core 7, driven by the rotating shaft 9. By adjusting the relative position of the throttling orifices 13 on the sphere with the fluid flow direction, the fluid flow rate is precisely controlled. This connection method between the spherical throttling element 12 and the valve core 7 provides a reliable and efficient way to achieve the valve's flow regulation function. Four connection ports are equipped with connecting flanges or threaded interfaces, and sealing gaskets are installed at the connection points between the ports and external pipelines. The connecting flanges and threaded interfaces facilitate pipeline connections. The connection and sealing gasket can fill the tiny gap between the connection port and the pipeline, ensuring that the valve and the external pipeline maintain a good sealing state under different working pressure and temperature conditions, and ensuring the normal operation of the fluid transportation system. The outer diameter of the valve core 7 is adapted to the inner diameter of the main cavity 2, and can rotate around its own axis in the main cavity 2. The matching of the outer diameter of the valve core 7 and the inner diameter of the main cavity 2 can ensure that the valve core 7 has enough room to move in the main cavity 2 to achieve smooth rotation, and can also ensure that the gap between the two is small enough to prevent a large amount of fluid leakage between the valve core 7 and the wall of the main cavity 2. By changing the relative position of its internal flow channel and the four connection ports on the side wall of the main cavity 2 through the valve core 7, the connection and cut-off between different connection ports can be realized to meet the needs of various fluid transportation and control.
[0032] Working principle;
[0033] When it is necessary to change the fluid flow direction, the operator rotates the adjustment knob 8 (driving device) at the top of the valve body 1. The adjustment knob 8 drives the valve core 7, which is fixedly connected to it, to rotate around its own axis in the main cavity 2. For example, when the valve core 7 rotates 90 degrees, the first channel 11 is aligned with the second connection port 4 and the third connection port 5, and the second channel 14 is aligned with the first connection port 3 and the fourth connection port 6. In this way, the flow path of the fluid changes. It can flow in from the first connection port 3 and flow out from the third connection port 5 through the first channel 11, realizing the connection switching between different connection ports, thereby flexibly controlling the fluid flow direction to meet different working needs.
[0034] When flow regulation is required, the operator rotates the adjustment handle 10 outside the valve body 1. The adjustment handle 10 drives the throttling element 12 to rotate in the flow channel via the rotating shaft 9. Since the throttling element 12 is spherical with a curved surface and a throttling orifice 13, the cross-section of the throttling orifice 13 and the flow channel changes when the throttling element 12 rotates. For example, when the throttling orifice 13 is parallel to the flow channel, the flow diameter is at its maximum. When the throttling orifice 13 is perpendicular to the flow channel, the flow channel is at its minimum and is in a closed state. In this way, the fluid flow rate can be finely adjusted according to the different flow requirements in actual work.
[0035] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.
Claims
1. A four-way stop valve comprising a valve body (1), characterized in that: The valve body (1) is provided with a main cavity (2) in it, which is in a cylindrical structure, and four connecting ports are equidistantly distributed on the side wall of the main cavity (2), which are a first connecting port (3), a second connecting port (4), a third connecting port (5) and a fourth connecting port (6), respectively, and the four connecting ports are all in communication with the inside of the main cavity (2); The main cavity (2) is provided with a valve core (7) in it, which is in a cylindrical shape, and a flow-through channel is formed on the valve core (7) and penetrates through both end faces, a driving device is arranged at the top end of the valve body (1), and the driving device is connected with the valve core (7); The flow-through channel of the valve core (7) is provided with a throttling member (12), the throttling member (12) is connected with an external adjusting handle (10) through a rotating shaft (9) penetrating through the side wall of the valve core (7), and a throttling hole (13) is formed on the surface of the throttling member (12).
2. A four-way stop valve according to claim 1, characterized in that: The flow-through channel includes a first channel (11) and a second channel (14) perpendicular to each other, and the first channel (11) and the second channel (14) meet inside the valve core (7) to form a cross-shaped structure.
3. A four-way stop valve according to claim 1, characterized in that: The rotating shaft (9) and the side wall of the valve core (7) are connected by a sealing bearing.
4. A four-way stop valve according to claim 1, characterized in that: The driving device is an adjusting knob (8), which is fixedly connected with the valve core (7).
5. A four-way stop valve according to claim 1, characterized in that: The throttling member (12) is in a spherical shape and is rotatably connected with the inside of the valve core (7).
6. A four-way stop valve according to claim 1, characterized in that: The four connecting ports are respectively provided with connecting flanges or threaded interfaces, and sealing washers are arranged at the connecting port and the external connecting pipe.
7. A four-way stop valve according to claim 1, wherein: The outer diameter of the valve core (7) is matched with the inner diameter of the main cavity (2), and the valve core (7) can rotate around its own axis in the main cavity (2).