Stainless steel stop valve

Abstract

The stainless steel stop valve comprises an external pipe, a flow adjusting mechanism is arranged at the top end of the external pipe, the flow adjusting mechanism comprises an installation sleeve, a rotating sleeve, a connecting frame, a screw rod, a transmission sleeve, a push ring, a sliding rod, a sliding block, a sealing plate, a flow control sleeve and a flow control hole, the installation sleeve is fixed to the top end of the external pipe, and the rotating sleeve is rotationally installed at the top end of the installation sleeve; the connecting frame is installed on the inner side of the rotating sleeve, the transmission sleeve is in threaded connection to the outer wall of the screw, the push ring is installed on the outer wall of the transmission sleeve, the multiple sets of sliding rods are distributed in the installation sleeve, the sliding blocks slide on the outer walls of the multiple sets of sliding rods, the connecting frame drives the screw to rotate through rotation of the rotating sleeve, and then sliding of the sliding blocks is achieved through cooperation of the transmission sleeve and the push ring. The position of the sealing plate is adjusted in the process, so that the size and the opening degree of a flow control hole in the flow control sleeve are affected, the channel size and the flow of water flow are directly changed, sliding of the sealing plate is under the elastic force effect of the reset spring, and the flow adjusting process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to water system technical field, more specifically, it relates to a stainless steel stop valve. BACKGROUND

[0002] In many industrial and domestic water systems, precise control of water flow is crucial, for stainless steel valves, especially in scenarios where water flow needs to be adjusted, traditional valve designs often only achieve simple opening or closing functions, and cannot effectively adjust the flow, in these applications, users usually need to accurately adjust the opening and closing degree of the valve when the water flow reaches the predetermined value, in order to control the flow of fluid, such valves are commonly used in water treatment, water supply, fire fighting system and other fields, their functional requirements are not only single on-off function, but also detailed regulation on flow, the design of traditional valves lacks flexibility and cannot meet this demand, therefore, in actual use, accurate adjustment of flow is often impossible, resulting in excessive or insufficient water flow, which cannot achieve the expected effect of the system.

[0003] In addition, water flow regulation is not only to meet the demand of system operation, but also related to energy saving and long-term stable operation of equipment, in some high-efficiency industrial systems, precise flow control is crucial for optimizing energy use and prolonging equipment life, however, existing stainless steel valve designs often cannot provide high-precision flow regulation function, even in the process of use, the regulation of valve will be not flexible due to sealing performance, wear or long-term use, affecting the flow management of the whole system, in this case, excessive or insufficient water flow will lead to low energy efficiency of the system, and even may cause equipment damage or pipeline system failure. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a stainless steel stop valve to solve the technical problems mentioned in the background.

[0006] (II) Technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A stainless steel stop valve, including the outer connection pipe, the outer connection pipe top is provided with flow adjusting mechanism, the flow adjusting mechanism includes installation sleeve, rotating sleeve, connecting frame, screw rod, transmission sleeve, push ring, sliding rod, sliding block, sealing plate, flow control sleeve and control flow hole, installation sleeve is fixed in the outer connection pipe top, rotating sleeve rotation is installed in installation sleeve top, connecting frame is installed in rotating sleeve inside, transmission sleeve is connected in screw rod outer wall with screw thread, push ring is installed in transmission sleeve outer wall, sliding rod is provided with multiple groups distribution in installation sleeve, sliding block is slid in multiple sliding rod outer wall, sealing plate is installed in multiple sliding block inside, flow control sleeve is set in installation sleeve and is connected with multiple sealing plates slidingly, control flow hole is provided with multiple groups distribution in flow control sleeve outer wall, installation sleeve outside is provided with positioning mechanism, the positioning mechanism includes connecting disc, guide bar, moving block, tension spring and abutment block, connecting disc is installed in rotating sleeve bottom, guide bar is provided with multiple groups distribution in connecting disc outside, moving block is provided with multiple groups and is slid on multiple guide bars respectively, tension spring is provided with multiple groups and both ends are connected with multiple moving block outer wall respectively, abutment block is provided with multiple groups and is installed in installation sleeve outer wall and is respectively abutted with multiple moving blocks.

[0008] The utility model further sets up, installation sleeve inner wall is equipped with inner cover, the inner cover is equipped with limit rod, the limit rod is provided with multiple groups and is connected with push ring slidingly, through the sliding connection of limit rod and push ring, ensure that the stable position control of push ring, make each component in the flow regulation process can accurate cooperation, prevent excessive regulation and component damage.

[0009] The utility model further sets up, the flow control sleeve outer wall is equipped with movable slot, multiple sealing plate inside all are equipped with movable strip, movable slot is provided with multiple groups and is connected with multiple movable strip slidingly respectively, the sliding cooperation of movable slot and movable strip makes sealing plate can adjust position flexibly, accurately control control flow hole's opening, further realizes accurate flow control, avoided sealing plate to appear the problem of jam or displacement in work.

[0010] The utility model further sets up, multiple sliding block top surface and installation sleeve all are connected with reset spring, reset spring can provide elastic support in the adjustment process, ensure that sliding block can restore to initial position after adjustment, improved the precision and reliability of flow regulation.

[0011] The utility model further sets up, multiple abutment block outside is equipped with limit ring, multiple moving groove is all seted up on multiple moving block, multiple moving groove all are connected with limit ring slidingly, the sliding connection of limit ring and moving groove ensures the stable cooperation of abutment block and moving block, prevented valve assembly to appear position deviation or instability in work, improved the accuracy and stability of valve.

[0012] The utility model further sets up, the outside of mounting bush is provided with locking mechanism, the locking mechanism includes linkage bush, jacks, force spring, limit block, lock sleeve, arc groove and let position groove, linkage bush rotation is installed in the outer wall of mounting bush, jacks are provided with multiple groups and install in linkage bush bottom surface, force spring is provided with multiple groups and install in linkage bush bottom surface, limit block is provided with multiple groups and distributes on multiple jacks, lock sleeve slides in the outside of mounting bush, arc groove is provided with multiple groups and distributes in lock sleeve bottom surface, let position groove is set up in multiple arc grooves one end.

[0013] The utility model further sets up, the outer wall of mounting bush is equipped with cross piece, the cross piece is provided with multiple groups, the top surface of linkage bush is equipped with extrusion block, the extrusion block is provided with multiple groups and is connected with multiple cross pieces between all and is equipped with compression spring, the combination of cross piece, extrusion block and compression spring effectively guarantees the stable operation of linkage bush, avoids the looseness or deviation of linkage part in the working process, guarantees the smooth and high efficiency of adjustment action.

[0014] The utility model further sets up, the inner wall of lock sleeve is equipped with guide plate, the outer wall of mounting bush is equipped with guide groove, the guide plate and guide groove all are provided with multiple groups and are connected slidingly, the sliding connection of guide plate and guide groove guarantees the accurate positioning of lock sleeve, avoids the problem that appears jam or deviation in locking process, makes locking mechanism can work stably, strengthens the safety and stability of valve assembly.

[0015] (Three) beneficial effect

[0016] Compared with the prior art, the utility model provides a stainless steel stop valve, has the following beneficial effects:

[0017] 1, through the rotation of rotating sleeve, connecting frame drives screw rod rotation, and then transmission sleeve and push ring cooperation realizes the sliding of sliding block, this process adjusts the position of sealing plate, thereby influences the size and opening of control flow hole in control flow sleeve, directly changes the passage size and flow of water flow, the sliding of sealing plate is under the elastic force of reset spring, ensures that the sliding block can restore to the initial position in the flow regulation process, thereby improves the regulation accuracy, the setting of multiple slide rods ensures the stability of sliding block in the adjustment process, and the connection mode of control flow sleeve and sealing plate guarantees the smooth change of control flow hole opening, the whole structure ensures the stability and high accuracy of flow regulation, adapts to the changeable use demand.

[0018] 2、The positioning mechanism has the beneficial effects of stabilizing the positional relationship of the valve assembly, ensuring that the valve does not displace during adjustment, and ensuring the stable relative position between the connecting disc and the rotating sleeve through the cooperation of the guide bar, the moving block and the extension spring, the sliding of the moving block on the guide bar ensures the accurate action and position control of each component, avoiding unnecessary loosening or deviation of the valve assembly during use. At the same time, the design of the abutting block and the moving block effectively prevents displacement of the valve during operation, ensures stable operation of the device at all times, and improves the reliability and service life of the valve.

[0019] 3、When the lock sleeve slides to the outer wall of the moving block and abuts against the jacking rod, the jacking rod limits the lock sleeve, ensuring the safety during adjustment. Through the interaction of the compression spring and the extrusion block, the locking mechanism can accurately limit the linkage sleeve when needed, ensuring the stability of the lock sleeve. At the same time, the simplicity of the unlocking operation is also improved. Rotating the linkage sleeve to drive the jacking rod to the position of the gap slot to release the lock ensures the convenience of operation. After the valve adjustment is completed, the lock sleeve is automatically returned to the unlocking state by the force spring, avoiding the failure of the locking function due to improper operation. Overall, the locking mechanism increases the safety and stability of the equipment, allowing the valve to operate reliably for a long time during operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a stainless steel stop valve in the utility model.

[0021] Figure 2 It is a schematic diagram of the sectional structure of the flow regulating mechanism in the utility model.

[0022] Figure 3 It is a schematic diagram of the structure of the flow regulating mechanism in the utility model.

[0023] Figure 4 It is a schematic diagram of the sectional structure of the locking mechanism in the utility model.

[0024] Figure 5 It is a schematic diagram of the local structure of the flow control sleeve in the utility model.

[0025] In the figure: 1, outer connecting pipe; 2, mounting sleeve; 3, rotating sleeve; 4, connecting frame; 5, screw rod; 6, transmission sleeve; 7, push ring; 8, sliding rod; 9, sliding block; 10, sealing plate; 11, flow control sleeve; 12, flow control hole; 13, connecting disc; 14, guide bar; 15, moving block; 16, tension spring; 17, abutting block; 18, inner sleeve; 19, limiting rod; 20, movable groove; 21, movable bar; 22, reset spring; 23, limiting ring; 24, moving groove; 25, linkage sleeve; 26, jacking rod; 27, force spring; 28, limiting block; 29, lock sleeve; 30, arc-shaped groove; 31, accommodation groove; 32, cross block; 33, extrusion block; 34, compression spring; 35, guide plate; 36, guide groove. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0029] Please refer to Figures 1-5The utility model provides a stainless steel stop valve, including outer connection pipe 1, the top of outer connection pipe 1 is equipped with flow adjusting mechanism, and flow adjusting mechanism includes mounting sleeve 2, rotating sleeve 3, connecting frame 4, screw rod 5, transmission sleeve 6, push ring 7, slide bar 8, sliding block 9, sealing plate 10, flow control sleeve 11 and control flow hole 12, mounting sleeve 2 is fixed at the top of outer connection pipe 1, rotating sleeve 3 is rotatably installed at the top of mounting sleeve 2, connecting frame 4 is installed in the inboard of rotating sleeve 3, transmission sleeve 6 is screw connected on the outer wall of screw rod 5, push ring 7 is installed on the outer wall of transmission sleeve 6, slide bar 8 is provided with multiple groups and is distributed in mounting sleeve 2, sliding block 9 slides on the outer wall of multiple slide bars 8, sealing plate 10 is installed in the inboard of multiple sliding blocks 9, flow control sleeve 11 is arranged in mounting sleeve 2 and is slidably connected with multiple sealing plates 10, control flow hole 12 is provided with multiple groups and is distributed on the outer wall of flow control sleeve 11, the inboard of mounting sleeve 2 is provided with positioning mechanism, and positioning mechanism includes connecting disc 13, guide strip 14, moving block 15, tension spring 16 and abutting block 17, connecting disc 13 is installed on the bottom surface of rotating sleeve 3, guide strip 14 is provided with multiple groups and is distributed on the outboard of connecting disc 13, moving block 15 is provided with multiple groups and is slid on multiple guide strips 14 respectively, tension spring 16 is provided with multiple groups and is connected with the outer wall of multiple moving blocks 15 respectively at both ends, and abutting block 17 is provided with multiple groups and is installed on the outer wall of mounting sleeve 2 and is abutted with multiple moving blocks 15 respectively.

[0030] The inner wall of mounting sleeve 2 is provided with inner sleeve 18, the inner wall is provided with limiting rod 19, the limiting rod 19 is provided with multiple groups and is slidably connected with push ring 7, the sliding connection between limiting rod 19 and push ring 7 realizes the stable control of push ring, so that push ring can accurately adjust flow, thereby ensuring the stability and accuracy in the process of flow adjustment.

[0031] The outer wall of flow control sleeve 11 is provided with movable groove 20, the inboard of multiple sealing plates 10 is provided with movable strip 21, the movable groove 20 is provided with multiple groups and is slidably connected with multiple movable strips 21 respectively, and the cooperation between movable groove 20 and movable strip 21 allows sealing plate 10 to freely move in flow control sleeve 11, thereby accurately controlling the opening degree and flow of control flow hole, so that flow adjustment is more flexible and accurate.

[0032] The outer wall of flow control sleeve 11 is provided with movable groove 20, the inboard of multiple sealing plates 10 is provided with movable strip 21, the movable groove 20 is provided with multiple groups and is slidably connected with multiple movable strips 21 respectively, and the cooperation between movable groove 20 and movable strip 21 allows sealing plate 10 to freely move in flow control sleeve 11, thereby accurately controlling the opening degree and flow of control flow hole, so that flow adjustment is more flexible and accurate.

[0033] The outer wall of flow control sleeve 11 is provided with movable groove 20, the inboard of multiple sealing plates 10 is provided with movable strip 21, the movable groove 20 is provided with multiple groups and is slidably connected with multiple movable strips 21 respectively, and the cooperation between movable groove 20 and movable strip 21 allows sealing plate 10 to freely move in flow control sleeve 11, thereby accurately controlling the opening degree and flow of control flow hole, so that flow adjustment is more flexible and accurate.

[0034] In this embodiment, when the rotating sleeve 3 rotates, the connecting frame 4 drives the screw 5 to rotate. The transmission sleeve 6 is connected with the screw 5 through threads, and in turn drives the push ring 7 to move along the slide rod 8. The movement of the push ring 7 makes the sliding block 9 slide along the slide rod 8, controlling the position of the sealing plate 10. The sliding of the sealing plate 10 affects the movement of the flow control sleeve 11, and in turn changes the opening degree of the flow control hole 12 in the flow control sleeve 11. The number and size of the flow control hole 12 directly determine the size of the fluid flow channel and the flow rate. The sliding of the sliding block 9 is provided with elastic force by the return spring 22, which ensures that the sliding block 9 returns to the initial position during adjustment, ensuring the accuracy and stability of flow regulation. The guide strips 14 are uniformly distributed on the outside of the connecting disc 13, and the moving block 15 slides along the guide strips 14, ensuring that the connecting disc 13 and the rotating sleeve 3 maintain a stable relative position. The extension spring 16 acts on the moving block 15, providing elastic restoring force to help the moving block 15 return to the initial position. The abutting block 17 abuts against the moving block 15 to prevent displacement of the components during operation, ensuring stable operation of the device. These accessories work together to ensure that the positional relationship between each component does not change during adjustment, maintaining the accuracy of flow regulation.

[0035] Please refer to Figures 1-5 , as an embodiment of the locking mechanism: the outer side of the mounting sleeve 2 is provided with a locking mechanism, which includes a linkage sleeve 25, a top rod 26, a force spring 27, a limiting block 28, a lock sleeve 29, an arc-shaped groove 30 and a let-in slot 31. The linkage sleeve 25 is rotatably installed on the outer wall of the mounting sleeve 2. The top rod 26 is provided with a plurality of groups installed on the bottom surface of the linkage sleeve 25. The force spring 27 is provided with a plurality of groups installed on the bottom surface of the linkage sleeve 25. The limiting block 28 is provided with a plurality of groups distributed on the plurality of top rods 26. The lock sleeve 29 slides on the outer side of the mounting sleeve 2. The arc-shaped groove 30 is provided with a plurality of groups distributed on the bottom surface of the lock sleeve 29. The let-in slot 31 is provided at one end of the plurality of arc-shaped grooves 30.

[0036] The outer wall of the mounting sleeve 2 is provided with a horizontal block 32, which is provided with a plurality of groups. The top surface of the linkage sleeve 25 is provided with an extrusion block 33, which is provided with a plurality of groups and is connected with the plurality of groups of horizontal blocks 32 by a compression spring 34. The cooperation of the horizontal block 32, the extrusion block 33 and the compression spring 34 ensures the stability of the linkage sleeve 25, avoids the loosening of the components, and ensures the accurate operation and smoothness during flow regulation.

[0037] The inner wall of the lock sleeve 29 is provided with a guide plate 35, and the outer wall of the mounting sleeve 2 is provided with a guide groove 36. The guide plate 35 and the guide groove 36 are provided with a plurality of groups and are slidingly connected. The sliding connection of the guide plate 35 and the guide groove 36 enables the lock sleeve 29 to be accurately locked or unlocked during adjustment, ensuring the safety and reliability of the equipment and preventing accidental operation due to unstable factors.

[0038] More specifically, the lock sleeve 29 slides to abut the outer wall of the plurality of moving blocks 15, the plurality of top rods 26 abut the top surface of the lock sleeve 29 to limit the lock sleeve 29, and the plurality of compression springs 34 push the extrusion blocks 33 to limit the linkage sleeve 25. When unlocking is needed, the linkage sleeve 25 is rotated to drive the plurality of extrusion blocks 33 to extrude the plurality of compression springs 34, the plurality of top rods 26 move to the position of the clearance slot 31 to release the abutment of the lock sleeve 29, the lock sleeve 29 is slid to move the limiting blocks 28 to the two sides of the lock sleeve 29, the linkage sleeve 25 is loosened, the plurality of compression springs 34 are elastically reset to push the linkage sleeve 25 to drive the top rods 26 to move into the arc-shaped slot 30, the force spring 27 pushes the lock sleeve 29 to abut between the limiting blocks 28, and the lock sleeve 29 is in a continuous unlocking state.

[0039] In summary, when the rotating sleeve 3 rotates, the connecting frame 4 drives the screw rod 5 to rotate. The transmission sleeve 6 is connected with the screw rod 5 through threads, thereby driving the push ring 7 to move along the slide rod 8. The movement of the push ring 7 drives the sliding block 9 to slide along the slide rod 8, thereby controlling the position of the sealing plate 10. The sliding of the sealing plate 10 affects the movement of the flow control sleeve 11, thereby changing the opening degree of the flow control hole 12 in the flow control sleeve 11. The number and size of the flow control hole 12 directly determine the size and flow of the fluid flow channel. The sliding of the sliding block 9 is provided with elastic force by the reset spring 22, thereby ensuring that the sliding block 9 returns to the initial position during the adjustment process, and ensuring the accuracy and stability of the flow adjustment. The guide strips 14 are uniformly distributed on the outer side of the connecting disc 13, the moving block 15 slides along the guide strips 14, thereby ensuring that the connecting disc 13 and the rotating sleeve 3 maintain a stable relative position. The tension spring 16 acts on the moving block 15 to provide elastic restoring force, thereby helping the moving block 15 to return to the initial position. The abutment block 17 abuts with the moving block 15, thereby preventing displacement of the components during work, and ensuring stable operation of the device. These accessories jointly act to ensure that the positional relationship between each component does not change during the adjustment process, thereby maintaining the accuracy of the flow adjustment.

[0040] The lock sleeve 29 slides to abut the outer wall of the plurality of moving blocks 15, the plurality of top rods 26 abut the top surface of the lock sleeve 29 to limit the lock sleeve 29, and the plurality of compression springs 34 push the extrusion blocks 33 to limit the linkage sleeve 25. When unlocking is needed, the linkage sleeve 25 is rotated to drive the plurality of extrusion blocks 33 to extrude the plurality of compression springs 34, the plurality of top rods 26 move to the position of the clearance slot 31 to release the abutment of the lock sleeve 29, the lock sleeve 29 is slid to move the limiting blocks 28 to the two sides of the lock sleeve 29, the linkage sleeve 25 is loosened, the plurality of compression springs 34 are elastically reset to push the linkage sleeve 25 to drive the top rods 26 to move into the arc-shaped slot 30, the force spring 27 pushes the lock sleeve 29 to abut between the limiting blocks 28, and the lock sleeve 29 is in a continuous unlocking state.

[0041] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stainless steel globe valve comprising an external pipe (1) characterised in that: The outer connecting pipe (1) top is provided with flow adjusting mechanism, the flow adjusting mechanism includes mounting sleeve (2), rotating sleeve (3), connecting frame (4), screw rod (5), transmission sleeve (6), push ring (7), sliding rod (8), sliding block (9), sealing plate (10), flow control sleeve (11) and flow control hole (12), mounting sleeve (2) is fixed at the top of outer connecting pipe (1), rotating sleeve (3) is rotatably mounted at the top of mounting sleeve (2), connecting frame (4) is installed in the inner side of rotating sleeve (3), transmission sleeve (6) is threadedly connected on the outer wall of screw rod (5), push ring (7) is installed on the outer wall of transmission sleeve (6), sliding rod (8) is provided with multiple groups distributed in mounting sleeve (2), sliding block (9) is slidably arranged on the outer wall of multiple sliding rods (8), sealing plate (10) is installed in the inner side of multiple sliding blocks (9), flow control sleeve (11) is arranged in mounting sleeve (2) and is slidably connected with multiple sealing plates (10), flow control hole (12) is provided with multiple groups distributed on the outer wall of flow control sleeve (11), the outer side of mounting sleeve (2) is provided with positioning mechanism, the positioning mechanism includes connecting disc (13), guide bar (14), moving block (15), tension spring (16) and abutting block (17), connecting disc (13) is installed on the bottom surface of rotating sleeve (3), guide bar (14) is provided with multiple groups distributed on the outer side of connecting disc (13), moving block (15) is provided with multiple groups respectively slidably arranged on multiple guide bars (14), tension spring (16) is provided with multiple groups and the outer walls of the two ends of multiple groups of moving blocks (15) are respectively connected, and the abutting block (17) is provided with multiple groups installed on the outer wall of mounting sleeve (2) and respectively abuts with multiple groups of moving blocks (15).

2. A stainless steel globe valve according to claim 1, characterized in that: The inner wall of mounting sleeve (2) is provided with inner sleeve (18), the inner sleeve is provided with limiting rod (19), the limiting rod (19) is provided with multiple groups and is slidably connected with push ring (7).

3. A stainless steel globe valve according to claim 2, characterized in that: The outer wall of flow control sleeve (11) is provided with movable groove (20), the inner side of multiple sealing plates (10) is provided with movable strip (21), the movable groove (20) is provided with multiple groups and is slidably connected with multiple movable strips (21).

4. A stainless steel globe valve according to claim 3, wherein the plurality of sets of The top surface of sliding block (9) and mounting sleeve (2) are connected with reset spring (22).

5. A stainless steel globe valve according to claim 4 wherein the plurality of sets of The outer side of abutting block (17) is provided with limiting ring (23), multiple moving grooves (24) are formed in the upper surface of multiple moving blocks (15), and multiple moving grooves (24) are slidably connected with limiting ring (23).

6. A stainless steel globe valve according to claim 5 wherein: The outer side of mounting sleeve (2) is provided with locking mechanism, the locking mechanism includes linkage sleeve (25), top rod (26), force spring (27), limiting block (28), lock sleeve (29), arc-shaped groove (30) and allowance groove (31), linkage sleeve (25) is rotatably installed on the outer wall of mounting sleeve (2), top rod (26) is provided with multiple groups installed on the bottom surface of linkage sleeve (25), force spring (27) is provided with multiple groups installed on the bottom surface of linkage sleeve (25), limiting block (28) is provided with multiple groups distributed on multiple top rods (26), lock sleeve (29) is slidably arranged on the outer side of mounting sleeve (2), arc-shaped groove (30) is provided with multiple groups distributed on the bottom surface of lock sleeve (29), and allowance groove (31) is arranged at one end of multiple arc-shaped grooves (30).

7. A stainless steel globe valve according to claim 6, characterized in that: The outer wall of the mounting sleeve (2) is provided with horizontal blocks (32), the horizontal blocks (32) are provided with multiple groups, the top surface of the linkage sleeve (25) is provided with extrusion blocks (33), the extrusion blocks (33) are provided with multiple groups and are connected with the multiple groups of horizontal blocks (32) through compression springs (34) respectively.

8. A stainless steel globe valve according to claim 7, characterized in that: The inner wall of the lock sleeve (29) is provided with guide plates (35), the outer wall of the mounting sleeve (2) is provided with guide grooves (36), and the guide plates (35) and the guide grooves (36) are provided with multiple groups and are connected in a sliding mode.

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