Sectional type adjustable pneumatic stop valve

Abstract

The utility model relates to the technical field of pneumatic stop valves, and discloses a sectional type adjustable pneumatic stop valve which comprises a valve body, a valve rod is connected in the valve body in a sliding mode, and an air cylinder, a pneumatic assembly, a clamp and a fixing rod are fixedly connected to the upper surface of the valve body. The fixture is reasonable in structure, the two fixtures are fixed to the surface of a valve body by rotating the fixture bolts, the fixing frame is made to move in parallel by sliding the fixing base, then the fixing frame is fixed by penetrating the fixing rod through the fixing base and the fixing frame, the spring is contracted by pulling the clamping plate, and the flange gasket is placed between the clamping plate and the fixing frame, so that the flange gasket is fixed. The clamping plate is loosened, the spring releases pressure, the flange gasket is clamped and fixed through the clamping plate and the fixing frame, the flange gasket is fixed, the valve body is placed at the needed installation position after the flange gasket is fixed, the clamp drives the flange gasket to rotate through the ball, and the hole opening position of the flange gasket is consistent with the hole opening position of a flange needing to be in butt joint.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic stop valve technical field, concretely is a sectional type adjustable pneumatic stop valve. BACKGROUND

[0002] Pneumatic valve is the valve driven by compressed air, namely gas source drives execution, realizes the opening and closing action of valve; Pneumatic valve manufacturers are in the concept of unified design of pneumatic valve for product competition, carry out different innovations, make pneumatic control valve types also be numerous, such as membrane type, piston type and rack and pinion type and various forms, thereby form respective enterprise standard and product.

[0003] The adjustable segmented control pneumatic stop valve in the Chinese utility model patent application publication No. CN209278606U, although the processor, the controller and the display screen are set, the worker can manually operate, the reliability of the device is improved, the valve rod movement is automatically adjusted, the valve is controlled, the pressure of the gas in the placement shell is detected, and the worker can operate conveniently, but the existing device does not solve the problem that the gap between the pneumatic stop valve and the flange to be connected is small, the operator is not convenient to rotate the flange gasket, the flange bolt cannot penetrate the hole on the flange gasket, the operator rotates the flange bolt when rotating the nut, the operator is not convenient to tighten the nut, the operator needs to carry the pneumatic stop valve for a long time to complete the installation of the pneumatic stop valve, the operator needs to carry the pneumatic stop valve for a long time, the flange threaded hole position of the connected pipeline is easy to rust, and the pneumatic stop valve is not convenient to connect, therefore, a new device is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a sectional type adjustable pneumatic stop valve, which solves the problems that the gap between the pneumatic stop valve and the flange to be connected is too small, the operator is not convenient to adjust the flange gasket, and the flange threaded hole position to be connected is rusted and not convenient to connect the pneumatic stop valve.

[0006] (II) Technical scheme

[0007] In order to achieve the above object, the utility model discloses a sectional type adjustable pneumatic stop valve through the following technical scheme, a valve body is slidably connected with valve stem in the inside of valve body, the upper surface of valve body is fixedly connected with air cylinder, one side of valve body is fixedly connected with pneumatic assembly, the inside of valve body is screwed and is penetrated with flange bolt, the surface of valve body is connected with clamp, the inside of clamp is screwed and is penetrated with clamp bolt, the inside of clamp is slidably connected with limit rod, one side of clamp is fixedly connected with fixed seat, the inside of fixed seat is inserted with fixed rod, the inside of fixed seat is slidably connected with fixed frame, the inside of fixed frame is slidably connected with clamping plate, the surface of clamping plate is sleeved with spring, one side of clamping plate is connected with positioning seat.

[0008] Optionally, the lower surface of the pneumatic assembly is provided with a pipeline, and the pneumatic assembly is adapted with the air cylinder through the pipeline.

[0009] Optionally, a plurality of connecting holes are sequentially formed in one side of the fixed seat from left to right, and a butt joint hole is formed in one side of the fixed frame, and the sizes of the connecting holes and the butt joint hole are adapted to the size of the fixed rod.

[0010] Optionally, a hexagonal wrench is arranged on one side of the positioning seat, and a hexagonal recess is arranged on one side of the flange bolt, and the size of the hexagonal wrench is adapted to the size of the hexagonal recess.

[0011] Optionally, a fixing groove is formed in one side of the fixed frame, and the fixed frame is fixedly connected with one end of the spring through the fixing groove.

[0012] Optionally, a plurality of balls are arranged in the inside of the clamp, and the clamp is located on the surface of the valve body and close to the flange gasket.

[0013] Optionally, a positioning frame is connected with the surface of the valve body, the inside of the positioning frame is slidably connected with an auxiliary frame, the inside of the auxiliary frame is screwed and penetrated with an auxiliary bolt, the auxiliary frame is screwed and penetrated with a butt joint frame through the auxiliary bolt, one side of the positioning frame is fixedly connected with a clamping seat, the inside of the clamping seat is connected with a cleaning brush, a hole is formed in the inside of the positioning frame, and the auxiliary frame is rotatably connected with the auxiliary frame through the hole.

[0014] Optionally, a spray head is inserted in one end of the cleaning brush, a hose is inserted in the other end of the cleaning brush, a pipeline is formed in the inside of the cleaning brush, the hose is adapted with the spray head through the pipeline, and a water spraying bag is fixedly connected with the other end of the hose.

[0015] In conclusion, the utility model has the following technical effects and advantages:

[0016] 1. The utility model discloses a reasonable structure, through the fixture is placed on the surface of valve body, again through the rotation fixture bolt, makes two fixtures fixed on the surface of valve body, through the positioning seat is separated with the fixed frame, again takes out the fixed link, through the sliding fixed seat makes the parallel movement of fixed frame, again through the fixed link is passed through fixed seat and fixed frame, makes fixed frame fixed, again through the pull -on clamping plate, makes spring contract, again through the flange gasket is placed between clamping plate and fixed frame, again through the unclamping clamping plate, makes spring release pressure to clamping plate and fixed frame with flange gasket clamped fixedly, can complete the fixation of flange gasket to it, after fixing, through the ball, can make the fixture drive flange gasket to rotate, make the opening position of flange gasket and the opening position of flange that need butt joint consistent, again through the sliding limit rod, makes limit rod pass through the opening position of valve body, flange gasket and the flange that need butt joint, thereby makes flange gasket be fixed, through the pull -on clamping plate, takes out fixed link again, again through the pull -on fixed frame and make it reset, can make clamping plate and fixed frame separate with flange gasket, reduce when installing pneumatic stop valve because the gap between pneumatic stop valve and the flange that need butt joint is small, the operator is inconvenient to rotate flange gasket, this leads to the situation that flange bolt can not pass through the hole on flange gasket, reached the effect that can be fixed through fixed frame and clamping plate before valve body installation flange gasket, again place valve body in the required installation position, again adjust flange gasket according to the situation, through the positioning seat is connected with clamping plate fixed, through the pull -on clamping plate, again through the sliding fixed frame and make positioning seat move to the side of flange bolt, again through the unclamping clamping plate makes spring release pressure makes the hexagonal wrench and the hexagonal recess of flange bolt connect, thereby can be convenient for the operator to rotate nut and connect valve body with the flange that need connect, reduce the operator when rotating nut when the flange bolt is easy to rotate with nut and rotates when the flange of pneumatic stop valve and flange butt joint, this leads to the situation that the operator is inconvenient to tighten nut, reached the effect that can be fixed through positioning seat when the operator rotates nut flange bolt, make the operator when rotating nut flange bolt does not rotate, after installing valve body through the rotation fixture bolt makes two fixtures separate, can separate two fixtures with valve body.

[0017] 2、 The utility model discloses, through the positioning frame with valve body clamping, then through the valve body and move to the required installation position, through the auxiliary frame with the required butt joint pipeline lower surface contact, through the butt joint frame with the required butt joint pipeline upper surface contact, then through the rotation auxiliary bolt, make butt joint frame and auxiliary frame clamp the required butt joint pipeline fixedly, can make valve body fixed in the required installation position, through the sliding positioning frame can adjust the interval between valve body and the required butt joint pipeline, through the rotation positioning frame can adjust the angle of valve body, reduced when the pneumatic stop valve installation need operator to carry pneumatic stop valve only can complete the installation of pneumatic stop valve, operator carries pneumatic stop valve time -consuming and labor -intensive situation, reached can through positioning frame with valve body clamping, then through butt joint frame and auxiliary frame clamp the required butt joint pipeline makes valve body fixed in the required installation position, when installing effect, through separating the cleaning brush with the clamping seat, and the operator holds the cleaning brush and inserts its into the flange thread hole position contact required butt joint, through extruding water jet sac, make the rust remover in water jet sac inside from the hose and management and discharge into the inside of the shower head, then by the shower head sprays the rust remover at the flange thread hole position, then through the left and right rotation cleaning brush and thus cleans the rust position of flange thread hole, reduced the flange thread hole position on the required butt joint pipeline due to long -term use, its thread hole position rust prone this leads to operator inconvenient to butt joint pneumatic stop valve with its situation, reached can before rotating flange bolt, through the rust remover and cleaning brush to the rust position of flange thread hole and remove the effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is structure schematic diagram of the utility model;

[0019] Figure 2 It is valve body structure schematic diagram of the utility model;

[0020] Figure 3 It is clamp structure explosion schematic diagram of the utility model;

[0021] Figure 4 It is positioning frame structure explosion schematic diagram of the utility model.

[0022] In the drawing: 1, valve body;2, valve stem;3, cylinder;4, pneumatic assembly;5, flange bolt;6, flange gasket;7, clamp;8, clamp bolt;9, limit rod;10, fixed seat;11, fixed rod;12, fixed frame;13, clamping plate;14, spring;15, positioning seat;16, positioning frame;17, auxiliary frame;18, auxiliary bolt;19, butt joint frame;20, clamping seat;21, cleaning brush;22, shower head;23, hose;24, water jet sac. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Embodiment: refer to Figures 1-4 The utility model provides a kind of sectional adjustable aerodynamic stop valve as shown in the figure, including valve body 1, the inside sliding connection of valve body 1 has valve stem 2, the upper surface of valve body 1 is fixedly connected with air cylinder 3, one side of valve body 1 is fixedly connected with pneumatic assembly 4, the inside thread of valve body 1 is penetrated by flange bolt 5, valve body 1 is penetrated by flange gasket 6 by flange bolt 5 thread, the surface of valve body 1 is clamped with clamp 7, the inside thread of clamp 7 is penetrated by clamp bolt 8, the inside sliding connection of clamp 7 has limit rod 9, one side of clamp 7 is fixedly connected with fixed seat 10, the inside of fixed seat 10 is inserted with fixed rod 11, the inside sliding connection of fixed seat 10 has fixed frame 12, the inside sliding connection of fixed frame 12 has clamping plate 13, the surface of clamping plate 13 is sleeved with spring 14, one side of clamping plate 13 is clamped with positioning seat 15.

[0025] As a preferred embodiment in the present embodiment, as Figures 1-3As shown, the inside of the valve body 1 is slidably connected with the valve stem 2, the upper surface of the valve body 1 is fixedly connected with the cylinder 3, one side of the valve body 1 is fixedly connected with the pneumatic assembly 4, the lower surface of the pneumatic assembly 4 is provided with a pipeline, the pneumatic assembly 4 is adapted with the cylinder 3 through the pipeline, the inside of the valve body 1 is threaded with the flange bolt 5, the valve body 1 is threaded with the flange gasket 6 through the flange bolt 5, the surface of the valve body 1 is clamped with the clamp 7, the inside of the clamp 7 is provided with the ball, the clamp 7 is located on the surface of the valve body 1 close to the position of the flange gasket 6, the inside of the clamp 7 is threaded with the clamp bolt 8, the inside of the clamp 7 is slidably connected with the limiting rod 9, one side of the clamp 7 is fixedly connected with the fixed seat 10, the inside of the fixed seat 10 is inserted with the fixed rod 11, the inside of the fixed seat 10 is slidably connected with the fixed frame 12, a plurality of connecting holes are sequentially provided on one side of the fixed seat 10 from left to right, the fixed frame 12 is provided with the butt joint hole on one side, the size of the connecting hole and the butt joint hole is adapted to the size of the fixed rod 11, the inside of the fixed frame 12 is slidably connected with the clamping plate 13, the surface of the clamping plate 13 is sleeved with the spring 14, the fixed frame 12 is provided with the fixed groove on one side, the fixed frame 12 is fixedly connected with one end of the spring 14 through the fixed groove, one side of the clamping plate 13 is clamped with the positioning seat 15, one side of the positioning seat 15 is provided with the hexagonal wrench, one side of the flange bolt 5 is provided with the hexagonal groove, the size of the hexagonal wrench is adapted to the size of the hexagonal groove, in the process of use, the valve stem 2 can be lifted or lowered through the pneumatic assembly 4 and the cylinder 3, the valve body 1 can be segmented adjusted according to the lifting or lowering speed of the valve stem 2, the clamp 7 is placed on the surface of the valve body 1, the two clamps 7 are fixed on the surface of the valve body 1 by rotating the clamp bolt 8, the positioning seat 15 is separated from the fixed frame 12, the fixed rod 11 is extracted, the fixed frame 12 is simultaneously moved in parallel by sliding the fixed seat 10, the fixed frame 12 is fixed by penetrating the fixed seat 10 and the fixed frame 12 with the fixed rod 11, the spring 14 is contracted by pulling the clamping plate 13, the flange gasket 6 is placed between the clamping plate 13 and the fixed frame 12, the spring 14 is released by loosening the clamping plate 13, so that the clamping plate 13 and the fixed frame 12 clamp and fix the flange gasket 6, the fixation of the flange gasket 6 is completed, after fixing, the valve body 1 is placed in the required installation position, the clamp 7 drives the flange gasket 6 to rotate through the ball, the opening position of the flange gasket 6 is consistent with the opening position of the flange to be connected, the limiting rod 9 penetrates the opening position of the valve body 1, the flange gasket 6 and the flange to be connected by sliding the limiting rod 9, so that the flange gasket 6 is fixed, the clamping plate 13 and the fixed frame 12 are separated from the flange gasket 6 by pulling the clamping plate 13 and extracting the fixed rod 11 at the same time, resetting the fixed frame 12 by pulling it, which reduces the inconvenience of the operator in rotating the flange gasket 6 due to the small gap between the pneumatic stop valve and the flange to be connected during the installation of the pneumatic stop valve, which leads to the situation that the flange bolt 5 cannot penetrate the hole on the flange gasket 6,The flange gasket 6 can be clamped and fixed by the fixing frame 12 and the clamping plate 13 before the valve body 1 is installed, then the valve body 1 is placed in the required installation position, and then the flange gasket 6 is adjusted according to the situation. By connecting and fixing the positioning seat 15 with the clamping plate 13, pulling the clamping plate 13, and then moving the positioning seat 15 to one side of the flange bolt 5 by sliding the fixing frame 12, and then releasing the pressure of the spring 14 by loosening the clamping plate 13 to connect the hexagonal wrench with the hexagonal groove of the flange bolt 5, the operator can conveniently rotate the nut to connect the valve body 1 with the required connecting flange, reducing the situation that the flange bolt 5 is easy to rotate with the nut when the operator rotates the nut when the pneumatic stop valve is connected with the flange, which causes the operator to tighten the nut. The effect that the flange bolt 5 cannot rotate when the operator rotates the nut can be achieved by fixing the flange bolt 5 by the positioning seat 15 when the operator rotates the nut, so that the flange bolt 5 does not rotate when the operator rotates the nut. After the valve body 1 is installed, the two clamps 7 are separated by rotating the clamp bolt 8, that is, the two clamps 7 are separated from the valve body 1.

[0026] As Figure 4As shown, in this embodiment, a positioning frame 16 is snapped onto the surface of the valve body 1. An auxiliary frame 17 is slidably connected inside the positioning frame 16. An auxiliary bolt 18 is threaded through the inside of the auxiliary frame 17. A connecting frame 19 is threaded through the auxiliary bolt 18 into the auxiliary frame 17. A retaining seat 20 is fixedly connected to one side of the positioning frame 16. A cleaning brush 21 is snapped into the inside of the retaining seat 20. A hole is opened inside the positioning frame 16. The auxiliary frame 17 is rotatably connected to the auxiliary frame 17 through the hole. A nozzle 22 is inserted into one end of the cleaning brush 21, and a hose 23 is inserted into the other end of the cleaning brush 21. The cleaning brush 21 has an internal opening... The system includes a pipeline, with a flexible hose 23 adapted to the nozzle 22 via the pipeline. The other end of the hose 23 is fixedly connected to a water spray bag 24. During use, the valve body 1 is secured by the positioning bracket 16. The valve body 1 is then moved to the desired installation position. The auxiliary bracket 17 contacts the lower surface of the required connecting pipe, and the connecting bracket 19 contacts the upper surface of the required connecting pipe. Finally, by rotating the auxiliary bolt 18, the connecting bracket 19 and the auxiliary bracket 17 clamp and fix the required connecting pipe, thus fixing the valve body 1 in the desired installation position. The distance between the valve body 1 and the required connecting pipe can be adjusted by sliding the positioning bracket 16. The spacing is adjustable by rotating the positioning bracket 16, which reduces the need for operators to continuously move the pneumatic shut-off valve during installation. This eliminates the time-consuming and laborious process of operators constantly moving the pneumatic shut-off valve. The positioning bracket 16 can be used to clamp the valve body 1, and the docking bracket 19 and auxiliary bracket 17 can be used to clamp the required docking pipe, thus fixing the valve body 1 in the desired installation position. During installation, the cleaning brush 21 is separated from the holder 20, and the operator holds the cleaning brush 21 and inserts it into the threaded hole of the flange to make contact. By squeezing the water spray bladder 24, the rust remover inside the water spray bladder 24 is discharged into the nozzle 22 through the hose 23 and the nozzle 22. The nozzle 22 then sprays the rust remover onto the flange threaded hole. The cleaning brush 21 rotates left and right to clean the rusted area of ​​the flange threaded hole. This reduces the likelihood of rust on the flange threaded hole of the required connecting pipe due to prolonged use, which makes it inconvenient for operators to connect the pneumatic shut-off valve. This achieves the effect of removing the rust from the flange threaded hole before rotating the flange bolts 5, using the rust remover and cleaning brush 21.

[0027] The working principle of this practical application is as follows:

[0028] In use, first by positioning the valve body 1 carding, and then by moving the valve body 1 to the desired installation location, by the auxiliary frame 17 with the desired interface pipeline lower surface contact, by the interface frame 19 with the desired interface pipeline upper surface contact, and then by rotating the auxiliary bolt 18, the interface frame 19 and the auxiliary frame 17 clamp the desired interface pipeline, so that the valve body 1 is fixed in the desired installation location. By sliding the positioning frame 16, the distance between the valve body 1 and the desired interface pipeline can be adjusted. By rotating the positioning frame 16, the angle of the valve body 1 can be adjusted. By separating the cleaning brush 21 from the card seat 20, the operator holds the cleaning brush 21 and inserts it into the desired interface flange threaded hole position. By squeezing the water jet bag 24, the rust remover inside the water jet bag 24 is discharged from the hose 23 into the nozzle 22, and then the rust remover is sprayed onto the flange threaded hole position. By rotating the cleaning brush 21 left and right, the rusted position of the flange threaded hole is cleaned. By placing the clamp 7 on the surface of the valve body 1, and then by rotating the clamp bolt 8, the two clamps 7 are fixed on the surface of the valve body 1. By separating the positioning seat 15 from the fixed frame 12, and then by pulling out the fixed rod 11, the fixed frame 12 is moved simultaneously and in parallel by sliding the fixed seat 10. By inserting the fixed rod 11 through the fixed seat 10 and the fixed frame 12, the fixed frame 12 is fixed. By pulling the clamping plate 13, the spring 14 is contracted. By placing the flange gasket 6 between the clamping plate 13 and the fixed frame 12, and then by loosening the clamping plate 13, the spring 14 releases the pressure, so that the clamping plate 13 and the fixed frame 12 clamp the flange gasket 6. After fixing the flange gasket 6, the valve body 1 is placed in the desired installation location. By rotating the clamp 7 with the flange gasket 6, the opening position of the flange gasket 6 is aligned with the opening position of the desired interface flange. By sliding the limiting rod 9, the limiting rod 9 penetrates the opening position of the valve body 1, the flange gasket 6, and the desired interface flange, so that the flange gasket 6 is fixed. By pulling the clamping plate 13 and pulling out the fixed rod 11, the clamping plate 13 and the fixed frame 12 are separated from the flange gasket 6. By connecting the positioning seat 15 with the clamping plate 13, by pulling the clamping plate 13, and by sliding the fixed frame 12, the positioning seat 15 is moved to one side of the flange bolt 5. By loosening the clamping plate 13, the spring 14 releases the pressure, and the hexagonal wrench is connected with the hexagonal recess of the flange bolt 5, so that the operator can rotate the nut to connect the valve body 1 with the desired connection flange. After installing the valve body 1, the two clamps 7 are separated from the valve body 1 by rotating the clamp bolt 8. By the pneumatic assembly 4 and the cylinder 3, the valve stem 2 can be raised or lowered, and the valve body 1 can be adjusted in sections according to the rising or falling speed of the valve stem 2.

[0029] The electrical components appearing in the text are all electrically connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.

[0030] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A sectional adjustable aerodynamic stop valve comprising a valve body (1), characterized in that: The inside of the valve body (1) is slidably connected with a valve rod (2), the upper surface of the valve body (1) is fixedly connected with a cylinder (3), one side of the valve body (1) is fixedly connected with a pneumatic assembly (4), the inside of the valve body (1) is threaded through a flange bolt (5), the valve body (1) is threaded through a flange gasket (6) through the flange bolt (5), the surface of the valve body (1) is clamped with a clamp (7), the inside of the clamp (7) is threaded through a clamp bolt (8), the inside of the clamp (7) is slidably connected with a limiting rod (9), one side of the clamp (7) is fixedly connected with a fixed seat (10), the inside of the fixed seat (10) is inserted with a fixed rod (11), the inside of the fixed seat (10) is slidably connected with a fixed frame (12), the inside of the fixed frame (12) is slidably connected with a clamping plate (13), the surface of the clamping plate (13) is sleeved with a spring (14), one side of the clamping plate (13) is clamped with a positioning seat (15).

2. A segmented adjustable aerodynamic cut-off valve according to claim 1, wherein: The lower surface of the pneumatic assembly (4) is provided with a pipeline, and the pneumatic assembly (4) is matched with the cylinder (3) through the pipeline.

3. A segmented adjustable aerodynamic cut-off valve according to claim 1, wherein: A plurality of connecting holes are sequentially formed in one side of the fixed seat (10) from left to right, one side of the fixed frame (12) is provided with a butt joint hole, and the sizes of the connecting holes and the butt joint hole are matched with the size of the fixed rod (11).

4. A segmented adjustable aerodynamic cut-off valve according to claim 1, wherein: One side of the positioning seat (15) is provided with a hexagonal wrench, one side of the flange bolt (5) is provided with a hexagonal groove, and the size of the hexagonal wrench is matched with the size of the hexagonal groove.

5. A segmented adjustable aerodynamic cut-off valve according to claim 1, wherein: One side of the fixed frame (12) is provided with a fixed groove, and the fixed frame (12) is fixedly connected with one end of the spring (14) through the fixed groove.

6. A segmented adjustable aerodynamic cut-off valve according to claim 1, wherein: The inside of the clamp (7) is provided with a ball bearing, and the clamp (7) is located on the surface of the valve body (1) close to the flange gasket (6).

7. A segmented adjustable aerodynamic cut-off valve according to claim 1, wherein: The surface of the valve body (1) is clamped with a positioning frame (16), the inside of the positioning frame (16) is slidably connected with an auxiliary frame (17), the inside of the auxiliary frame (17) is threaded through an auxiliary bolt (18), the auxiliary frame (17) is threaded through a butt joint frame (19) through the auxiliary bolt (18), one side of the positioning frame (16) is fixedly connected with a clamping seat (20), the inside of the clamping seat (20) is clamped with a cleaning brush (21), the inside of the positioning frame (16) is provided with a hole, and the auxiliary frame (17) is rotatably connected with the auxiliary frame (17) through the hole.

8. A segmented adjustable aerodynamic cut-off valve according to claim 7, wherein: One end of the cleaning brush (21) is inserted with a spray head (22), the other end of the cleaning brush (21) is inserted with a hose (23), the inside of the cleaning brush (21) is provided with a pipeline, the hose (23) is matched with the spray head (22) through the pipeline, and the other end of the hose (23) is fixedly connected with a water spraying bag (24).

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