An adjustable force stop valve

Abstract

The utility model discloses an adjustable force's stop valve relates to stop valve technical field, the utility model discloses a valve body, the valve body is as the main part of stop valve, inside is equipped with fluid passage, is used for accommodating other components and controls the flow of fluid, the valve body top is connected with the cavity, still includes adjusting mechanism, adjusting mechanism is connected with the cavity arrangement, adjusting mechanism includes booster assembly, booster assembly sets up in the cavity, and booster assembly is used for adjusting the force required when operating stop valve, the utility model discloses setting up booster assembly, specifically is anticlockwise rotation rotation lever, through bevel gear no.

Description

Technical Field

[0001] This utility model belongs to the field of gate valve technology, and in particular relates to a gate valve with adjustable force. Background Technology

[0002] In many industrial pipeline systems, gate valves are widely used to control fluid flow. However, traditional gate valves often require a fixed operating force when adjusting fluid flow and pressure, which has certain limitations in practical use. For example, in some situations where precise flow control is required and operating conditions frequently change, a fixed operating force may not meet the needs of fine adjustment, or operators may find it difficult to adapt to a fixed force for accurate operation under different operating conditions. Therefore, a gate valve with adjustable force is proposed. Utility Model Content

[0003] The purpose of this invention is to provide an adjustable force shut-off valve. By setting up a pressure boosting component, specifically, rotating the lever clockwise drives the turntable and the arc-shaped block to move via bevel gear one and bevel gear two. The arc-shaped block compresses the ball, bringing them closer together and embedding them into the groove, thereby increasing the rotational resistance of the adjusting screw. Rotating the lever counterclockwise reduces its rotational resistance. This solves the problem that the operating force of traditional shut-off valves is often fixed when adjusting fluid flow and pressure, which has certain limitations in practical use. For example, in some situations where precise flow control is required and the operating conditions change frequently, a fixed operating force may not meet the needs of fine adjustment, or operators may find it difficult to adapt to a fixed force for accurate operation under different operating conditions.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model relates to an adjustable force shut-off valve, comprising a valve body, which serves as the main component of the shut-off valve and has an internal fluid channel for accommodating other components and controlling fluid flow. The top of the valve body is connected to a cavity, and the valve body also includes:

[0006] An adjustment mechanism is connected to the cavity. The adjustment mechanism includes a pressure boosting component, which is disposed inside the cavity. The pressure boosting component is used to adjust the force required when operating the shut-off valve.

[0007] The booster assembly includes a turntable, and the inner ring of the turntable is provided with a plurality of spheres.

[0008] An adjusting screw is threaded inside the cavity, and a valve stem is connected inside the valve body. A sealing gasket is provided at the connection between the valve stem and the valve body.

[0009] The bottom of the adjusting screw is rotatably connected to the top of the valve stem.

[0010] Furthermore, the adjustment mechanism also includes a drive component, which is connected to the output end of the booster component and provides power output to the booster component;

[0011] Furthermore, an anti-loosening component is provided, which is connected to the cavity and the drive component, and is used to reinforce the drive component.

[0012] The drive assembly includes a rotating rod that passes through the valve body and extends into the cavity. A bevel gear one is disposed inside the cavity. The interior of the bevel gear one is welded to the outer surface of the rotating rod, and a bevel gear two is meshed with the outer surface of the bevel gear one.

[0013] The outer surface of the bevel gear is rotatably connected to the inside of the cavity.

[0014] Furthermore, a support frame is welded to the inner wall of the cavity, the inner wall of the support frame is rotatably connected to the outer ring of the turntable, the top of the turntable is welded to the bottom of the second bevel gear, and a number of arc-shaped blocks are welded to the inner ring of the turntable, with the side of the arc-shaped blocks away from the turntable in contact with the outer surface of the sphere.

[0015] Furthermore, the bottom of the inner wall of the support frame is provided with several limiting grooves, the inner walls of the several limiting grooves are in contact with the outer surface of the ball, the inner ring of the support frame is slidably connected to the outer surface of the valve stem, and the outer surface of the valve stem is provided with several grooves.

[0016] The inner walls of the grooves are all in contact with the outer surface of the sphere.

[0017] Furthermore, the anti-loosening component includes a limiting frame, the left side of which is welded to the right side of the cavity, the inside of which is rotatably connected to the outer surface of the rotating rod, a limiting ring is provided inside the limiting frame, the inside of which is welded to the outer surface of the rotating rod, and an extrusion block is in contact with the inner wall of the limiting ring;

[0018] The outer ring of the limiting ring is inverted trapezoidal, the extrusion block is trapezoidal, and the inside of the limiting ring is adapted to the outer surface of the extrusion block.

[0019] Furthermore, a support frame is welded to the top of the limiting ring, and a sliding rod is slidably connected inside the support frame. The sliding rod passes through the support frame and extends into the limiting frame. The bottom of the sliding rod is welded to the top of the extrusion block. A spring is sleeved on the outer surface of the sliding rod. The top of the spring is connected to the top of the inner wall of the support frame. A limiting plate is connected to the side of the spring away from the support frame.

[0020] The limiting plate is welded to the outer surface of the slide rod, and the bottom of the limiting plate is in contact with the top of the limiting frame.

[0021] This utility model has the following beneficial effects:

[0022] 1. This utility model incorporates a pressure-boosting component. Specifically, rotating the lever clockwise causes the turntable and the arc-shaped block to move via bevel gear one and bevel gear two. The arc-shaped block compresses the sphere, bringing them closer together and embedding them into the groove, thereby increasing the rotational resistance of the adjusting screw. Rotating the lever counterclockwise reduces this resistance. By adjusting the rotational resistance, the force of the adjusting screw can be adjusted according to the working conditions, making operation easier, optimizing the experience, and avoiding operational difficulties or fatigue.

[0023] 2. This utility model incorporates an anti-loosening component. Specifically, when rotating the rotating rod, the sliding rod needs to be pulled up, causing it to slide within the limiting frame and drive the squeezing block to move. This disengages the squeezing block from the limiting ring, reducing friction and facilitating the rotation of the rotating rod. Simultaneously, the limiting plate compresses the spring, causing the spring to contract and store energy. After the rotating rod stops rotating, the sliding rod is released, and the spring rebounds, causing the sliding rod to reset. The squeezing block then moves, and the sliding rod contacts the limiting ring again, increasing friction and preventing the rotating rod from loosening. This reduces the likelihood of the valve stem being impacted by liquid, causing the turntable to rotate and improving adjustment accuracy.

[0024] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the cross-sectional structure of the cavity of this utility model;

[0028] Figure 3 This is a schematic diagram of the cross-sectional structure of the support frame of this utility model;

[0029] Figure 4 This is a schematic diagram of the overall structure of the booster assembly of this utility model after an explosion.

[0030] Figure 5 This is a schematic diagram of the cross-sectional structure of the limiting frame of this utility model.

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 111. Valve body; 112. Cavity; 113. Adjusting screw; 114. Valve stem; 2. Adjusting mechanism; 21. Drive assembly; 211. Rotating rod; 212. Bevel gear one; 213. Bevel gear two; 22. Pressure boosting assembly; 221. Support frame; 222. Turntable; 223. Arc block; 224. Ball; 225. Groove; 226. Limiting groove; 23. Anti-loosening assembly; 231. Limiting frame; 232. Limiting ring; 233. Extrusion block; 234. Support frame; 235. Slide rod; 236. Spring; 237. Limiting plate. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figures 1-5 As shown, this utility model is an adjustable force shut-off valve, including a valve body 111. The valve body 111 serves as the main component of the shut-off valve and has an internal fluid channel for accommodating other components and controlling the flow of fluid. A cavity 112 is connected to the top of the valve body 111. It also includes:

[0035] Adjustment mechanism 2 is connected to cavity 112. Adjustment mechanism 2 includes pressure boosting component 22, which is disposed inside cavity 112. Pressure boosting component 22 is used to adjust the force required when operating the shut-off valve.

[0036] The booster assembly 22 includes a turntable 222, and a plurality of spheres 224 are arranged in the inner ring of the turntable 222.

[0037] An adjusting screw 113 is threadedly connected inside the cavity 112, and a valve stem 114 is connected inside the valve body 111. A sealing gasket is provided at the connection between the valve stem 114 and the valve body 111. The bottom of the adjusting screw 113 is rotatably connected to the top of the valve stem 114. Rotating the rotating rod 211 clockwise drives the turntable 222 and the arc block 223 to move via the first bevel gear 212 and the second bevel gear 213. The arc block 223 squeezes the ball 224 so that it moves closer to each other and embeds into the groove 225, thereby increasing the rotational resistance of the adjusting screw 113. Rotating the rotating rod 211 counterclockwise reduces its rotational resistance. By adjusting the rotational resistance, the force of the adjusting screw 113 can be adjusted according to the working conditions, making the operation easier, optimizing the experience, and avoiding operational difficulties or fatigue.

[0038] The regulating mechanism 2 also includes a drive assembly 21, which is connected to the output end of the booster assembly 22 and provides power output to the booster assembly 22.

[0039] Anti-loosening component 23 is connected to cavity 112 and drive component 21, and is used to reinforce drive component 21.

[0040] The drive assembly 21 includes a rotating rod 211, which passes through the valve body 111 and extends into the cavity 112. A bevel gear 212 is disposed inside the cavity 112. The interior of the bevel gear 212 is welded to the outer surface of the rotating rod 211. A bevel gear 213 is meshed with the outer surface of the bevel gear 212. The outer surface of the bevel gear 212 is rotatably connected to the interior of the cavity 112.

[0041] A support frame 221 is welded to the inner wall of the cavity 112. The inner wall of the support frame 221 is rotatably connected to the outer ring of the turntable 222. The top of the turntable 222 is welded to the bottom of the bevel gear 213. Several arc-shaped blocks 223 are welded to the inner ring of the turntable 222. The side of the arc-shaped blocks 223 away from the turntable 222 is in contact with the outer surface of the sphere 224.

[0042] The bottom of the inner wall of the support frame 221 is provided with several limiting grooves 226, and the inner walls of the limiting grooves 226 are in contact with the outer surface of the ball 224. The inner ring of the support frame 221 is slidably connected to the outer surface of the valve stem 114. The outer surface of the valve stem 114 is provided with several grooves 225, and the inner walls of the grooves 225 are in contact with the outer surface of the ball 224.

[0043] The anti-loosening component 23 includes a limiting frame 231. The left side of the limiting frame 231 is welded to the right side of the cavity 112. The inside of the limiting frame 231 is rotatably connected to the outer surface of the rotating rod 211. A limiting ring 232 is provided inside the limiting frame 231. The inside of the limiting ring 232 is welded to the outer surface of the rotating rod 211. A pressing block 233 is in contact with the inner wall of the limiting ring 232. The outer ring of the limiting ring 232 is set in an inverted trapezoidal shape. The pressing block 233 is set in a trapezoidal shape. The inside of the limiting ring 232 is adapted to the outer surface of the pressing block 233.

[0044] A support frame 234 is welded to the top of the limiting ring 232. A slide rod 235 is slidably connected inside the support frame 234. The slide rod 235 passes through the support frame 234 and extends into the limiting frame 231. The bottom of the slide rod 235 is welded to the top of the extrusion block 233. A spring 236 is sleeved on the outer surface of the slide rod 235. The top of the spring 236 is connected to the top of the inner wall of the support frame 234. A limiting plate 237 is connected to the side of the spring 236 away from the support frame 234. The inside of the limiting plate 237 is welded to the outer surface of the slide rod 235. The bottom of the limiting plate 237 contacts the top of the limiting frame 231. When rotating the rotating rod 211, it needs to be pulled upwards. The slide rod 235 slides within the limiting frame 231, causing the squeezing block 233 to move. This disengages the squeezing block 233 from the limiting ring 232, reducing friction and facilitating the rotation of the rotating rod 211. Simultaneously, the limiting plate 237 compresses the spring 236, causing the spring 236 to contract and store energy. After the rotating rod 211 stops rotating, the slide rod 235 is released, and the spring 236 rebounds, causing the slide rod 235 to reset. The squeezing block 233 then moves, and the slide rod 235 contacts the limiting ring 232 again, increasing friction and preventing the rotating rod 211 from loosening. This reduces the likelihood of the valve stem 114 being impacted by liquid, causing the turntable 222 to rotate and improving adjustment accuracy.

[0045] A specific application of this embodiment is as follows: When adjusting the resistance of the adjusting screw 113, rotating the lever 211 clockwise drives the bevel gear 212 to rotate. As the bevel gear 212 rotates, it drives the turntable 222 to move via the bevel gear 213. Simultaneously, the lever 211 rotates within the cavity 112, and the turntable 222 rotates within the support frame 221. The turntable 222's rotation also drives several arc-shaped blocks 223 to move together. During this movement, the arc-shaped blocks 223 compress several spheres 224, causing them to move closer together. These spheres 224 then move within the limiting groove 226, and can only move within the limiting groove. The movement inside the slot 226 is limited by several limiting slots 226 to prevent the balls 224 from moving freely inside the support frame 221. At the same time, as the balls 224 approach each other, they will embed into several grooves 225. At this time, the balls 224 will be squeezed by the arc block 223 and squeeze the valve stem 114 through the grooves 225. At this time, the resistance when rotating the adjusting screw 113 to drive the valve stem 114 to move up and down will increase. Conversely, when rotating the lever 211 counterclockwise, the rotational resistance of the adjusting screw 113 will decrease. By adjusting the rotational resistance of the adjusting screw 113, the force required to operate the adjusting screw 113 can be adjusted according to the actual working conditions, making the operation easier and optimizing the operating experience, avoiding the difficulty or fatigue caused by excessive or insufficient force.

[0046] Simultaneously, when rotating the lever 211, the slide rod 235 needs to be pulled upwards. During the movement of the slide rod 235, it will slide inside the limiting frame 231. At the same time, the movement of the slide rod 235 will drive the pressing block 233 to move together. At this time, the pressing block 233 will disengage from the limiting ring 232, and the friction force on the pressing block 233 will be reduced, making it easier for the lever 211 to rotate. At the same time, when the slide rod 235 is pulled, the limiting plate 237 will compress the spring 236. Then, the spring 236 will be limited by the inner wall of the support frame 234 and will move forward. The valve stem 211 contracts and stores power. When the rotating rod 211 stops rotating, the sliding rod 235 is released. At this time, the spring 236 will generate a certain rebound force and drive the sliding rod 235 to reset. While the sliding rod 235 is resetting, it will drive the squeezing block 233 to move together. At the same time, the sliding rod 235 will contact the inner wall of the limiting ring 232 again. At this time, the friction between the squeezing block 233 and the limiting ring 232 increases, thereby reducing the possibility of the rotating rod 211 becoming loose. This reduces the possibility of the valve stem 114 being impacted by the liquid and causing the turntable 222 to rotate, thus improving the accuracy of adjustment.

[0047] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An adjustable force shut-off valve, comprising a valve body, the valve body serving as the main component of the shut-off valve, having an internal fluid channel for accommodating other components and controlling fluid flow, and a cavity connected to the top of the valve body, characterized in that, Also includes: An adjustment mechanism is connected to the cavity. The adjustment mechanism includes a pressure boosting component, which is disposed inside the cavity. The pressure boosting component is used to adjust the force required when operating the shut-off valve. The booster assembly includes a turntable, and the inner ring of the turntable is provided with a plurality of spheres.

2. The adjustable force shut-off valve according to claim 1, characterized in that, An adjusting screw is threaded inside the cavity, and a valve stem is connected inside the valve body. A sealing gasket is provided at the connection between the valve stem and the valve body. The bottom of the adjusting screw is rotatably connected to the top of the valve stem.

3. The adjustable force shut-off valve according to claim 1, characterized in that, The adjustment mechanism also includes a drive component, which is connected to the output end of the booster component and provides power output to the booster component. An anti-loosening component is provided, which is connected to the cavity and the drive component, and is used to reinforce the drive component.

4. The adjustable force shut-off valve according to claim 3, characterized in that, The drive assembly includes a rotating rod that passes through the valve body and extends into the cavity. A first bevel gear is disposed inside the cavity. The interior of the first bevel gear is welded to the outer surface of the rotating rod, and a second bevel gear is meshed with the outer surface of the first bevel gear. The outer surface of the bevel gear is rotatably connected to the inside of the cavity.

5. The adjustable force shut-off valve according to claim 4, characterized in that, A support frame is welded to the inner wall of the cavity. The inner wall of the support frame is rotatably connected to the outer ring of the turntable. The top of the turntable is welded to the bottom of the second bevel gear. Several arc-shaped blocks are welded to the inner ring of the turntable. The side of each arc-shaped block away from the turntable is in contact with the outer surface of the sphere.

6. The adjustable force shut-off valve according to claim 5, characterized in that, The bottom of the inner wall of the support frame is provided with several limiting grooves, and the inner wall of each limiting groove is in contact with the outer surface of the ball. The inner ring of the support frame is slidably connected to the outer surface of the valve stem, and the outer surface of the valve stem is provided with several grooves. The inner walls of the grooves are all in contact with the outer surface of the sphere.

7. The adjustable force shut-off valve according to claim 3, characterized in that, The anti-loosening component includes a limiting frame, the left side of which is welded to the right side of the cavity, the inside of which is rotatably connected to the outer surface of the rotating rod, a limiting ring is provided inside the limiting frame, the inside of which is welded to the outer surface of the rotating rod, and an extrusion block is in contact with the inner wall of the limiting ring. The outer ring of the limiting ring is inverted trapezoidal, the extrusion block is trapezoidal, and the inside of the limiting ring is adapted to the outer surface of the extrusion block.

8. The adjustable force shut-off valve according to claim 7, characterized in that, A support frame is welded to the top of the limiting ring. A sliding rod is slidably connected inside the support frame. The sliding rod passes through the support frame and extends into the limiting frame. The bottom of the sliding rod is welded to the top of the extrusion block. A spring is sleeved on the outer surface of the sliding rod. The top of the spring is connected to the top of the inner wall of the support frame. A limiting plate is connected to the side of the spring away from the support frame. The limiting plate is welded to the outer surface of the slide rod, and the bottom of the limiting plate is in contact with the top of the limiting frame.

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