Shut-off valve device

Abstract

The utility model discloses a shut-off valve device which comprises a valve body, a first groove is formed in one end of the valve body, a piston is horizontally arranged in the first groove, a second groove is formed in the other end of the valve body, a throttling block is arranged in the second groove, and a first opening communicated with the second groove is formed in the inner wall of the first groove. A piston rod of the piston can penetrate through the first opening and stretch into the second groove, a second opening is formed in the first opening, an installation assembly is arranged at the second opening, a third opening is formed in the inner wall of the first groove, a reversing assembly is arranged at the third opening, and a first adjusting assembly used for adjusting the piston is arranged at the first groove. A fourth opening is formed in the inner wall of the second groove, and a second adjusting assembly is arranged at the fourth opening. The piston and the throttling block cooperate to achieve fine adjustment of the flow channel, the piston rod of the piston can freely move in the first groove, and accurate control over the position of the piston is achieved through the first adjusting assembly.

Description

Technical Field

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

[0002] Valves are widely used in various industrial processes, such as petroleum, chemical, and power industries. Their primary function is to control the flow of media in pipelines, ensuring the safety and efficiency of the production process. Traditional valve design has evolved over many years, continuously optimizing structure and materials to improve reliability and service life. However, when high-precision flow control and rapid response are required simultaneously, existing valve designs often struggle to meet both demands. For example, relying solely on piston movement to regulate flow may result in long response times, making it difficult to handle unexpected situations promptly. Conversely, relying on complex external power systems increases system complexity and cost. Utility Model Content

[0003] (a) Purpose of the utility model

[0004] To address the technical problems existing in the background art, this utility model proposes a shut-off valve device. Through the coordinated action of a piston and a throttling block, it achieves precise adjustment of the flow channel. The piston rod can move freely within a first groove, and the piston position is precisely controlled by a first adjustment component. The throttling block can be adjusted in position according to actual needs, and through its cooperation with the piston rod, it achieves precise control of the flow channel.

[0005] (II) Technical Solution

[0006] This utility model provides a shut-off valve device, including a valve body. One end of the valve body has a first groove, in which a piston is horizontally disposed. The other end of the valve body has a second groove, in which a throttling block is disposed. The inner wall of the first groove has a first opening communicating with the second groove. The piston rod of the piston can pass through the first opening and extend into the second groove. The piston rod of the piston can move to abut against the throttling block. A second opening is provided at the first opening, and a mounting component is provided at the second opening. A third opening is provided at the inner wall of the first groove, and a reversing component is provided at the third opening. A first adjustment component for adjusting the piston is provided at the first groove. A fourth opening is provided at the inner wall of the second groove, and a second adjustment component is provided at the fourth opening.

[0007] Preferably, the mounting assembly includes a first flange, which is connected to the outer end of the valve body and communicates with the second opening.

[0008] Preferably, the second flange is connected to the outer end of the valve body and located at the second groove, and the second flange and the second groove are in communication with each other.

[0009] Preferably, the first adjustment component includes a first mounting base and a first telescopic cylinder. The mounting base is connected to the valve body and located at the first groove, thereby sealing the first groove. The end of the mounting base facing the first groove is provided with a third groove that communicates with it. The first telescopic cylinder is fixedly disposed in the third groove, and the telescopic rod of the first telescopic cylinder is connected to the piston.

[0010] Preferably, the reversing assembly includes a three-way connector and a reversing valve. The three-way connector is connected to the valve body and communicates with the third opening. The three-way connector has a first through hole, and the reversing valve is located in the first through hole and connected to the three-way connector.

[0011] Preferably, the second adjustment assembly includes a second mounting base, a second telescopic cylinder, and a plug. The second mounting base is connected to the outer end of the valve body and located at the fourth opening. The end of the second mounting base facing the fourth opening is provided with a fourth groove. The second telescopic cylinder is fixedly disposed in the fourth groove. The telescopic rod of the second telescopic cylinder is connected to the plug. The second telescopic cylinder can drive the plug to move to close the fourth opening. The outer end of the valve body is provided with an arc-shaped cover, which is connected to the second mounting base. The inner wall of the first opening is provided with a fifth opening that communicates with the arc-shaped cover. The inner wall of the fourth groove is provided with a sixth opening that communicates with the arc-shaped cover.

[0012] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0013] In this invention, the synergistic action of the piston and the throttling block enables precise adjustment of the flow channel. The piston rod can move freely within the first groove, and the piston position is precisely controlled by the first adjustment component. The throttling block can be adjusted in position according to actual needs, cooperating with the piston rod to achieve precise control of the flow channel. The mounting component and the reversing component ensure smooth flow of the medium and flexible switching of the flow channel direction. The second adjustment component further controls the flow channel by opening and closing the fourth opening through a plug. This design not only improves the valve's accuracy and response speed but also reduces the system's complexity and cost. Attached Figure Description

[0014] Figure 1 This is a top view of the internal structure of a shut-off valve device proposed in this utility model.

[0015] Figure 2This is a front view of the internal structure of a shut-off valve device proposed in this utility model.

[0016] Figure 3 This is a side view of a shut-off valve device proposed in this utility model. Reference numerals: 1. Valve body; 2. Throttling block; 3. Piston; 4. Mounting seat; 5. First telescopic cylinder; 6. T-joint; 7. Directional valve; 8. First flange; 9. Second mounting seat; 10. Second telescopic cylinder; 11. Plug; 12. Second flange; 13. Arc-shaped cover. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0018] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, such as welding, riveting, or bonding; it can also be a detachable connection, such as threaded connection, keyed connection, or pin connection; or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] like Figure 1-3As shown, the present invention proposes a shut-off valve device, including a valve body 1. One end of the valve body 1 is provided with a first groove, and a piston 3 is horizontally arranged in the first groove. The other end of the valve body 1 is provided with a second groove, and a throttling block 2 is arranged in the second groove. The inner wall of the first groove is provided with a first opening communicating with the second groove. The piston rod of the piston 3 can pass through the first opening and extend into the second groove. The piston rod of the piston 3 can be moved to abut against the throttling block 2. A second opening is provided at the first opening, and an installation component is provided at the second opening. A third opening is provided on the inner wall of the first groove, and a reversing component is provided at the third opening. A first adjustment component for adjusting with the piston 3 is provided at the first groove. A fourth opening is provided on the inner wall of the second groove, and a second adjustment component is provided at the fourth opening. This achieves high-precision flow control and fast response because the fine adjustment of the flow channel is realized through the synergistic action of the piston 3 and the throttling block 2.

[0021] Specifically, piston 3 includes a piston rod and a piston head. The piston head can be made of a metallic material, such as stainless steel or aluminum alloy, to ensure its corrosion resistance and strength. The piston rod can be made of high-strength steel or carbon fiber composite material to improve its rigidity and fatigue resistance. The piston head is in close contact with the inner wall of the first groove, forming a good sealing effect to prevent media leakage. The piston rod matches the orifice diameter at the first opening to ensure smooth movement of piston 3. The piston rod can be precisely fitted with the surface of the throttling block 2, achieving precise control of the flow channel through minute movements, wherein a second flange 12 is provided at one end of the second groove.

[0022] In an optional embodiment, the mounting assembly includes a first flange 8, which is connected to the outer end of the valve body 1 and communicates with the second opening. The first flange 8 can be made of stainless steel or cast iron, providing high strength and corrosion resistance. The connection between the first flange 8 and the valve body 1 can be secured with bolts, ensuring a robust and reliable connection. The inner diameter of the first flange 8 matches the diameter of the second opening, ensuring smooth flow of the medium.

[0023] In an optional embodiment, the reversing assembly includes a three-way connector 6 and a reversing valve 7. The three-way connector 6 is connected to the valve body 1 and communicates with the third opening. The three-way connector 6 has a first through hole, and the reversing valve 7 is located in the first through hole and connected to the three-way connector 6. The three-way connector 6 can be made of brass or stainless steel, which has good corrosion resistance and thermal conductivity. The reversing valve 7 can be a solenoid valve or a manual valve, and the appropriate type can be selected according to the actual application requirements. The reversing valve 7 can quickly switch the direction of the flow channel, realizing flexible control of the medium flow path.

[0024] In an optional embodiment, the first adjustment component includes a first mounting base 4 and a first telescopic cylinder 5. The mounting base 4 is connected to the valve body 1 and located at the first groove, sealing the first groove. The end of the mounting base 4 facing the first groove has a third groove communicating with it. The first telescopic cylinder 5 is fixedly disposed within the third groove, and the telescopic rod of the first telescopic cylinder 5 is connected to the piston 3. The first mounting base 4 can be made of stainless steel or aluminum alloy, possessing high strength and corrosion resistance. The first telescopic cylinder 5 can be a hydraulic cylinder or a pneumatic cylinder, with the appropriate type selected according to actual application requirements. The telescopic rod of the first telescopic cylinder 5 is connected to the head of the piston 3, and by controlling the telescopic amount of the first telescopic cylinder 5, precise adjustment of the piston 3's position can be achieved.

[0025] In an optional embodiment, the second adjustment assembly includes a second mounting base 9, a second telescopic cylinder 10, and a plug 11. The second mounting base 9 is connected to the outer end of the valve body 1 and located at the fourth opening. The end of the second mounting base 9 facing the fourth opening has a fourth groove. The second telescopic cylinder 10 is fixedly disposed within the fourth groove. The telescopic rod of the second telescopic cylinder 10 is connected to the plug 11. The second telescopic cylinder 10 can drive the plug 11 to move to close the fourth opening. The outer end of the valve body 1 has an arc-shaped cover 13, which is connected to the second mounting base 9. The inner wall of the first opening has a fifth opening communicating with the arc-shaped cover 13, and the inner wall of the fourth groove has a sixth opening communicating with the arc-shaped cover 13. The second mounting base 9 can be made of stainless steel or aluminum alloy, providing high strength and corrosion resistance. The second telescopic cylinder 10 can be a hydraulic cylinder or a pneumatic cylinder, with the appropriate type selected according to actual application requirements. The plug 11 can be made of rubber or polytetrafluoroethylene, providing good sealing performance. The telescopic rod of the second telescopic cylinder 10 is connected to the plug 11. By controlling the telescopic amount of the second telescopic cylinder 10, the opening and closing of the fourth opening can be achieved.

[0026] The implementation principle of this embodiment is as follows: through the synergistic action of piston 3 and throttling block 2, fine adjustment of the flow channel is achieved. The piston rod of piston 3 can move freely within the first groove, and the position of piston 3 is precisely controlled by the first adjustment component. The throttling block 2 can be adjusted according to actual needs, and through cooperation with the piston rod of piston 3, precise control of the flow channel is achieved. The mounting component and reversing component ensure smooth flow of the medium and flexible switching of the flow channel direction. The second adjustment component further controls the flow channel by opening and closing the fourth opening through plug 11. This design not only improves the accuracy and response speed of the valve, but also reduces the complexity and cost of the system. It should be understood that the above specific embodiments of this utility model are only used as examples to illustrate or explain the principle of this utility model, and do not constitute a limitation of this utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within the protection scope of this utility model. In addition, the appended claims of this utility model are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A shut-off valve device, characterized in that, The valve includes a valve body (1), one end of which has a first groove, and a piston (3) is horizontally arranged in the first groove. The other end of the valve body (1) has a second groove, and a throttling block (2) is arranged in the second groove. The inner wall of the first groove has a first opening that communicates with the second groove. The piston rod of the piston (3) can pass through the first opening and extend into the second groove. The piston rod of the piston (3) can be moved to abut against the throttling block (2). The first opening has a second opening, and the second opening has an installation component. The inner wall of the first groove has a third opening, and the third opening has a reversing component. The first groove has a first adjustment component for adjusting with the piston. The inner wall of the second groove has a fourth opening, and the fourth opening has a second adjustment component.

2. The shut-off valve device according to claim 1, characterized in that, The mounting assembly includes a first flange (8) which is connected to the outer end of the valve body (1) and communicates with the second opening.

3. A shut-off valve device according to claim 2, characterized in that, It also includes a second flange (12), which is connected to the outer end of the valve body (1) and located at the second groove, and the second flange (12) and the second groove are in communication with each other.

4. A shut-off valve device according to claim 3, characterized in that, The first adjustment component includes a first mounting base (4) and a first telescopic cylinder (5). The mounting base (4) is connected to the valve body (1) and located at the first groove and closes the first groove. The mounting base (4) has a third groove communicating with the first groove at one end. The first telescopic cylinder (5) is fixedly installed in the third groove. The telescopic rod of the first telescopic cylinder is connected to the piston (3).

5. A shut-off valve device according to claim 4, characterized in that, The reversing assembly includes a three-way connector (6) and a reversing valve (7). The three-way connector (6) is connected to the valve body (1) and communicates with the third opening. The three-way connector (6) is provided with a first through hole. The reversing valve (7) is located in the first through hole and is connected to the three-way connector (6).

6. A shut-off valve device according to claim 5, characterized in that, The second adjustment component includes a second mounting base (9), a second telescopic cylinder (10), and a plug (11). The second mounting base (9) is connected to the outer end of the valve body (1) and located at the fourth opening. The second mounting base (9) has a fourth groove at one end facing the fourth opening. The second telescopic cylinder (10) is fixedly installed in the fourth groove. The telescopic rod of the second telescopic cylinder (10) is connected to the plug (11). The second telescopic cylinder (10) can drive the plug (11) to move to close the fourth opening. The outer end of the valve body (1) is provided with an arc-shaped cover (13). The arc-shaped cover (13) is connected to the second mounting base (9). The inner wall of the first opening is provided with a fifth opening that communicates with the arc-shaped cover (13). The inner wall of the fourth groove is provided with a sixth opening that communicates with the arc-shaped cover (13).

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