Intelligent control fountain pipeline pneumatic on-off device

Abstract

This invention discloses an intelligent control fountain pipeline pneumatic on / off device, including a clamping box and a water delivery hose. A clamping component for the water delivery hose is installed inside the clamping box. Pneumatic boxes are fixedly installed on both sides of the clamping box, and pneumatic components for driving the clamping components are installed inside the pneumatic boxes. Assembly threaded pipes are fixedly installed at both ends of the pneumatic boxes, located between the clamping components. By employing an external compression-type water-cutting method with a pneumatic impeller driving a rope-pulled clamp, the traditional solenoid valve core and seat sealing structure are eliminated. There are no opening or closing components inside the water delivery hose, and impurities such as mud, algae, and debris in the water will not affect the pipeline's on / off and sealing effect, fundamentally eliminating common faults such as valve jamming, incomplete closure, and leakage. Simultaneously, the device is equipped with a flexible compression seal using a rubber pad, resulting in a higher fit and better sealing effect, significantly improving the water control stability of the fountain pipeline and effectively reducing the probability of problems such as disordered water features and uncontrolled water jets.

Description

Technical Field

[0001] This invention relates to the field of fountain pipeline technology, specifically to an intelligent control device for pneumatic on / off switching of fountain pipelines. Background Technology

[0002] Currently, landscape centralized water supply musical fountains and programmable fountain systems generally adopt a pipeline layout mode of centralized water pump unified water supply and branch single-point solenoid valve separate control, relying on submersible solenoid valves to realize the opening and closing of water circuits of each nozzle branch.

[0003] Existing solenoid valves have intractable application defects in actual fountain use environments: the fountain water is often mixed with solid impurities such as mud, aquatic plant debris, scale flocculents, and algae. These impurities are very easy to get stuck between the sealing surfaces of the solenoid valve core and valve seat, causing the valve to not close tightly, continuous dripping water, and resulting in the nozzles spraying water for no reason, and the water feature arrangement being disordered, which seriously affects the fountain performance effect. Summary of the Invention

[0004] The purpose of this invention is to provide an intelligent control device for the pneumatic on / off switching of fountain pipelines, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an intelligent control fountain pipeline pneumatic on / off device, comprising a clamping box and a water supply hose, wherein a clamping component for clamping the water supply hose is installed on the inner side of the clamping box, and pneumatic boxes are fixedly installed on both sides of the clamping box, wherein a pneumatic component for driving the clamping component is installed inside the pneumatic box, and assembly threaded pipes are fixedly installed at both ends of the pneumatic box, wherein the assembly threaded pipes are located between the clamping components.

[0006] Preferably, the clamping assembly includes two movable plates, each with two connecting straps fixedly installed on its top. Each connecting strap is fixedly connected to a winding wheel at its end away from the movable plate. A rotating rod is fixedly installed inside the winding wheel. Clamping blocks are fixedly installed on opposite sides of the two movable plates.

[0007] Preferably, the clamping box has a clamping groove inside, and the two movable plates are movably installed inside the clamping groove. Movable balls are movably installed at the bottom and top of the two movable plates. The outer side of the movable balls is in contact with the top and bottom of the inner cavity of the clamping groove. Four limiting guide rods are symmetrically fixedly installed inside the clamping groove. The two movable plates are slidably installed outside the four limiting guide rods. The clamping box has a winding and unwinding groove inside, and the winding and unwinding wheel and the rotating rod are both located inside the winding and unwinding groove.

[0008] Preferably, a partition is fixedly installed inside the clamping box, and four guide grooves are opened inside the partition, with connecting straps movably installed on the inner side of the four guide grooves respectively.

[0009] Preferably, the pneumatic assembly includes two impeller seats, each with an impeller blade fixedly mounted on its inner side, and the two impeller seats are respectively fixedly mounted at both ends of the winding and unwinding groove.

[0010] Preferably, both pneumatic boxes have pneumatic slots inside, the impeller seat and impeller blade are located inside the pneumatic slots, and the connection between the two impeller seats and the rotating rod is installed inside the connecting wall of the clamping box and the pneumatic box through bearings.

[0011] Preferably, each of the two pneumatic boxes has a triangular air guide groove on one side, and an air jet groove on one side of each triangular air guide groove, which is connected to the pneumatic groove. The end of each triangular air guide groove away from the air jet groove is connected to a vent pipe, and the end of each vent pipe away from the triangular air guide groove is connected to an intelligent vent valve. The air inlet end of the intelligent vent valve is connected to a connecting pipe. Each of the two pneumatic boxes has an exhaust groove on the other side, and the exhaust groove is connected to the pneumatic groove. The side of each pneumatic groove away from the pneumatic groove is connected to an exhaust pipe.

[0012] Preferably, the outer side of the assembled threaded tube is sealed with an internal threaded sleeve, an assembly short cap is fixedly installed on one side of the internal threaded sleeve, an inner ring is fixedly installed on one side of the assembly short cap, and the assembled threaded tube is located between the internal threaded sleeve and the inner ring, with the inner side of the assembled threaded tube in contact with the outer side of the inner ring.

[0013] Preferably, a connecting shield is fixedly installed on the outer side of each assembled threaded tube, and the end of the connecting shield away from the assembled threaded tube is fixedly connected to the outer side of the clamping box.

[0014] Preferably, rubber pads are fixedly installed on the side of the clamping block away from the moving plate.

[0015] Compared with existing technologies, the advantages of this invention are as follows: By adopting an external compression-type water shut-off method driven by a pneumatic impeller and a rope-pulled clamp, the traditional solenoid valve core and valve seat sealing structure are eliminated. The water delivery hose has no opening or closing components inside, and impurities such as mud, algae, and debris in the water will not affect the pipeline's continuity and sealing effect, thus fundamentally eliminating common faults such as valve jamming, incomplete closure, and leakage. Simultaneously, the flexible compression seal with a rubber pad provides a higher fit and better sealing effect, significantly improving the water control stability of the fountain pipeline and effectively reducing the probability of problems such as disordered water features and uncontrolled water jets.

[0016] Furthermore, the moving plate slides via ball bearings and limit guide rods, resulting in extremely low frictional resistance and smooth, uninterrupted transmission. Combined with a triangular air guide channel and jet channel for directional and concentrated airflow, it boasts high airflow utilization and a fast impeller start-up response, perfectly suited to the high-frequency, fast-paced dynamic opening and closing control requirements of musical fountains. The overall transmission structure is simple and compact, with precise and rapid opening and closing actions, eliminating the lag defects of traditional electrically controlled valves. It can accurately match the rhythm of music and lighting to complete the water feature performance, while also minimizing component wear and extending service life, significantly reducing equipment maintenance frequency and operating costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the present invention.

[0018] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective.

[0019] Figure 3 This is a cross-sectional three-dimensional structural diagram of the present invention.

[0020] Figure 4 This is a cross-sectional three-dimensional structural diagram of the pneumatic box of the present invention.

[0021] Figure 5 This is a three-dimensional structural diagram of the pneumatic clamping assembly of the present invention.

[0022] Figure 6 This is a schematic diagram of the water delivery hose structure of the present invention.

[0023] Figure 7 This is a schematic diagram of the three-dimensional structure of the assembled end cap of the present invention.

[0024] Figure 8 This is a schematic diagram of the three-dimensional structure of the partition of the present invention.

[0025] In the diagram: 1. Clamping box; 2. Pneumatic box; 3. Assembled threaded pipe; 4. Internal threaded sleeve; 5. Assembled end cap; 6. Connecting shield; 7. Vent pipe; 8. Intelligent vent valve; 9. Connecting pipe; 10. Exhaust pipe; 11. Inner collar; 12. Water supply hose; 13. Winding groove; 14. Impeller blade; 15. Guide groove; 16. Winding wheel; 17. Rotating rod; 18. Connecting strap; 19. Moving ball; 20. Moving plate; 21. Limiting guide rod; 22. Clamping groove; 23. Clamping block; 24. Pneumatic groove; 25. Exhaust groove; 26. Triangular air guide groove; 27. Air jet groove; 28. Impeller seat; 29. ​​Partition plate. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figures 1-8 This invention provides a technical solution: an intelligent control fountain pipeline pneumatic on / off device, including a clamping box 1 and a water delivery hose 12. A clamping assembly for clamping the water delivery hose 12 is installed inside the clamping box 1. The clamping assembly includes two movable plates 20, each with two connecting straps 18 fixedly installed on its top. A winding wheel 16 is fixedly connected to the end of each connecting strap 18 away from the movable plate 20. A rotating rod 17 is fixedly installed inside the winding wheel 16. Clamping blocks 23 are fixedly installed on opposite sides of the two movable plates 20. The clamping box 1 has an opening inside... The clamping box 1 has a clamping groove 22, and two movable plates 20 are movably installed inside the clamping groove 22. The clamping box 1 has a winding and unwinding groove 13 inside, with the winding and unwinding wheel 16 and rotating rod 17 located inside the winding and unwinding groove 13. A partition 29 is fixedly installed inside the clamping box 1, and four guide grooves 15 are opened inside the partition 29. Connecting straps 18 are movably installed inside the four guide grooves 15. Pneumatic boxes 2 are fixedly installed on both sides of the clamping box 1. Pneumatic components for driving the clamping assembly are installed inside the pneumatic boxes 2. The pneumatic components include two impeller seats 28 and two impellers. Impeller blades 14 are fixedly installed on the inner side of each seat 28. Two impeller seats 28 are respectively fixedly installed at both ends of the winding and unwinding groove 13. Pneumatic grooves 24 are opened inside each of the two pneumatic boxes 2. The impeller seats 28 and impeller blades 14 are located inside the pneumatic grooves 24. The connection points between the two impeller seats 28 and the rotating rod 17 are installed inside the connecting wall between the clamping box 1 and the pneumatic box 2 via bearings. Triangular air guide grooves 26 are opened on one side of each of the two pneumatic boxes 2. Air jet grooves 27 are opened on one side of each triangular air guide groove 26, and the air jet grooves 27 are connected to the pneumatic grooves 24. The end of 26 away from the jet slot 27 is connected to a vent pipe 7. The end of the vent pipe 7 away from the triangular air guide slot 26 is connected to an intelligent vent valve 8. The air inlet end of the intelligent vent valve 8 is connected to a connecting pipe 9. The interior of the other side of the two pneumatic boxes 2 is provided with an exhaust slot 25, and the exhaust slot 25 is connected to the pneumatic slot 24. The side of the pneumatic slot 24 away from the pneumatic slot 24 is connected to an exhaust pipe 10. Both ends of the pneumatic box 2 are fixedly installed with assembly threaded pipes 3. The assembly threaded pipes 3 are located between the clamping components. The side of the clamping block 23 away from the moving plate 20 is fixedly installed with a rubber pad.

[0028] The working principle of the above technical solution: The water delivery hose 12 passes horizontally through the clamping groove 22 inside the clamping box 1, serving as the only channel for water flow. Under normal conditions, the intelligent vent valve 8 is in the closed state, there is no high-pressure airflow input inside the pneumatic box 2, and the impeller blade 14 remains stationary without driving force. At this time, the two sets of moving plates 20 are symmetrically separated and opened from left to right. The clamping block 23 and the rubber pad attached to its outer side are completely separated from the outer wall of the water delivery hose 12, and the water delivery hose 12 maintains a natural circular conductive state, allowing water to flow without obstruction.

[0029] When the intelligent control system outputs a water cut-off command, the intelligent vent valve 8 simultaneously opens the air passage. External compressed air is sequentially delivered to the triangular air guide groove 26 inside the pneumatic box 2 via the connecting pipe 9 and the vent pipe 7. The triangular air guide groove 26 adopts a gradually narrowing flow guiding structure, which can converge and pressurize the airflow, stabilize and rectify the flow, and effectively avoid airflow dispersion and pressure loss. The concentrated high-pressure airflow is injected into the pneumatic groove 24 at high speed through the narrow slit jet groove 27. The high-speed airflow accurately impacts the impeller blade 14 blade force surface inside the impeller seat 28. The high kinetic energy of the directional jet continuously drives the impeller blade 14 to rotate. Compared with the multi-hole air distribution structure, the single-path directional jet has a larger starting torque and a faster response speed. It can quickly drive the impeller to rotate under low-pressure air source conditions, providing sufficient rotational power for subsequent mechanical clamping actions.

[0030] While the impeller blade 14 and impeller seat 28 rotate as a whole, they drive the rotating rod 17, which runs through the side wall of the clamping box 1 and is installed through the bearing limit, to rotate synchronously and coaxially. This effectively avoids rotational deviation and jamming. The rotating rod 17 drives the winding and unwinding wheels 16 on both sides inside the winding and unwinding groove 13 to rotate synchronously. The winding and unwinding wheels 16 begin to wind up the four connecting pull straps 18 at a uniform speed. The connecting pull straps 18 pass through the guide groove 15 preset by the partition 29 to complete the directional limit transmission, avoiding pull strap deviation, entanglement, and jamming. They precisely pull the two sets of moving plates 20 corresponding to the upper and lower parts, so that they slide horizontally towards each other along the limit guide rod 21. The moving plates 20 on both sides move closer together, driving the clamping block 23 at the end to smoothly squeeze the outer wall of the water supply hose 12. With the flexible rubber pad on the surface of the clamping block 23, flexible fitting and squeezing are achieved, gradually compressing the inner cavity of the water supply hose 12 until the hose wall is completely fitted and closed, completely blocking the internal water flow channel and stably achieving the sealing and water shut-off operation of the fountain branch pipeline.

[0031] When the intelligent control system outputs a water supply start command, the intelligent air valve 8 immediately closes the air intake path, cuts off the compressed air supply, and stops supplying air to the pneumatic groove 24. At this time, the high-pressure airflow remaining in the pneumatic groove 24 and the triangular air guide groove 26 can be quickly and without stagnation discharged to the outside through the exhaust groove 25 and exhaust pipe 10 connected to the other side of the pneumatic box 2, realizing rapid depressurization of the air path. After the air pressure is completely released, the impeller blade 14 completely loses the rotation driving force, the winding wheel 16 stops winding and releases the traction restraint on the connecting belt 18. At this time, the water supply hose 12, which has been squeezed and deformed, is no longer subject to external squeezing force. It automatically rebounds and recovers by relying on the high elasticity of its own rubber material. The rebound thrust pushes the clamping blocks 23 on both sides and the moving plate 20 to slide back to their original positions in the opposite direction. The moving plate 20 returns to the initial open position along the limit guide rod 21, and the inner cavity of the water supply hose 12 is restored to the conductive state. The fountain pipeline resumes normal water supply and spraying operation.

[0032] In another implementation scheme, such as Figures 1-8 As shown, movable ball bearings 19 are movably installed at the bottom and top of the two movable plates 20. The outer side of the movable ball bearings 19 is in contact with the top and bottom of the inner cavity of the clamping groove 22. Four limiting guide rods 21 are symmetrically fixedly installed on the inner side of the clamping groove 22. The two movable plates 20 are slidably installed on the outer side of the four limiting guide rods 21.

[0033] The movable plate 20 achieves horizontal sliding limit through four limiting guide rods 21 to prevent offset and jamming; together with the movable ball bearings 19 assembled at the top and bottom of the movable plate 20, the hard sliding friction is converted into rolling friction, which greatly reduces the sliding resistance and provides a smooth mechanical basis for subsequent fast clamping and reset actions.

[0034] In another implementation scheme, such as Figures 1-8 As shown, the outer side of the assembled threaded tube 3 is sealed with an internal threaded sleeve 4. An assembly short cap 5 is fixedly installed on one side of the internal threaded sleeve 4. An inner collar 11 is fixedly installed on one side of the assembly short cap 5. The assembled threaded tube 3 is located between the internal threaded sleeve 4 and the inner collar 11. The inner side of the assembled threaded tube 3 is in contact with the outer side of the inner collar 11. A connection shield 6 is fixedly installed on the outer side of the assembled threaded tube 3. The end of the connection shield 6 away from the assembled threaded tube 3 is fixedly connected to the outer side of the clamping box 1.

[0035] The entire device is sealed and connected to the on-site fountain water supply pipe via assembled threaded pipes 3 on both sides, internal threaded sleeves 4, and assembled short caps 5. The assembled threaded pipes 3 on both sides, together with the internal threaded sleeves 4, assembled short caps 5, and inner sleeve rings 11, form a double-layer sealed connection structure, which can be adapted to fountain water supply pipes of different specifications. The connection has strong sealing performance and effectively prevents water seepage and leakage at the pipe interface. At the same time, the connection shield 6 fixed on the outside of the assembled threaded pipes 3 completely covers the pipe connection gap and the box connection position, which can isolate outdoor moisture, water impurities, and dust from entering the clamping box 1 and pneumatic box 2, effectively protecting the internal structure and preventing parts from rusting, accumulating dirt and getting stuck. It is suitable for the fountain's all-weather high-frequency start and stop working conditions.

[0036] Working principle: The entire device is assembled with threaded pipes 3, internal threaded sleeves 4, and short caps 5 on both sides and sealed to the water supply pipe of the on-site fountain. The water supply hose 12 passes horizontally through the clamping groove 22 inside the clamping box 1, serving as the only channel for water flow. Under normal conditions, the intelligent vent valve 8 is closed, there is no high-pressure airflow input inside the pneumatic box 2, and the impeller blade 14 remains stationary without driving force. At this time, the two sets of moving plates 20 are symmetrically separated and opened. The clamping block 23 and the rubber pad attached to its outer side are completely detached from the outer wall of the water supply hose 12, and the water supply hose 12 maintains a natural circular conductive state, allowing water to flow without obstruction. At the same time, the moving plate 20 achieves horizontal sliding limit through four limit guide rods 21 to prevent offset and jamming. With the moving ball bearings 19 assembled at the top and bottom of the moving plate 20, the hard sliding friction is converted into rolling friction, greatly reducing sliding resistance and providing a smooth mechanical basis for subsequent rapid clamping and resetting actions.

[0037] When the intelligent control system outputs a water cut-off command, the intelligent vent valve 8 simultaneously opens the air passage. External compressed air is sequentially delivered to the triangular air guide groove 26 inside the pneumatic box 2 via the connecting pipe 9 and the vent pipe 7. The triangular air guide groove 26 adopts a gradually narrowing flow guiding structure, which can converge and pressurize the airflow, stabilize and rectify the flow, and effectively avoid airflow dispersion and pressure loss. The concentrated high-pressure airflow is injected into the pneumatic groove 24 at high speed through the narrow slit jet groove 27. The high-speed airflow accurately impacts the impeller blade 14 blade force surface inside the impeller seat 28. The high kinetic energy of the directional jet continuously drives the impeller blade 14 to rotate. Compared with the multi-hole air distribution structure, the single-path directional jet has a larger starting torque and a faster response speed. It can quickly drive the impeller to rotate under low-pressure air source conditions, providing sufficient rotational power for subsequent mechanical clamping actions.

[0038] While the impeller blade 14 and impeller seat 28 rotate as a whole, they drive the rotating rod 17, which runs through the side wall of the clamping box 1 and is installed through the bearing limit, to rotate synchronously and coaxially. This effectively avoids rotational deviation and jamming. The rotating rod 17 drives the winding and unwinding wheels 16 on both sides inside the winding and unwinding groove 13 to rotate synchronously. The winding and unwinding wheels 16 begin to wind up the four connecting pull straps 18 at a uniform speed. The connecting pull straps 18 pass through the guide groove 15 preset by the partition 29 to complete the directional limit transmission, avoiding pull strap deviation, entanglement, and jamming. They precisely pull the two sets of moving plates 20 corresponding to the upper and lower parts, so that they slide horizontally towards each other along the limit guide rod 21. The moving plates 20 on both sides move closer together, driving the clamping block 23 at the end to smoothly squeeze the outer wall of the water supply hose 12. With the flexible rubber pad on the surface of the clamping block 23, flexible fitting and squeezing are achieved, gradually compressing the inner cavity of the water supply hose 12 until the hose wall is completely fitted and closed, completely blocking the internal water flow channel and stably achieving the sealing and water shut-off operation of the fountain branch pipeline.

[0039] When the intelligent control system outputs the water supply start command, the intelligent air valve 8 immediately closes the air intake path, cuts off the compressed air supply, and stops supplying air to the pneumatic groove 24. At this time, the high-pressure airflow remaining in the pneumatic groove 24 and the triangular air guide groove 26 can be quickly and without stagnation discharged to the outside through the exhaust groove 25 and exhaust pipe 10 connected to the other side of the pneumatic box 2, realizing rapid depressurization of the air path. After the air pressure is completely released, the impeller blade 14 completely loses the rotation driving force, the winding wheel 16 stops winding and releases the traction restraint on the connecting pull belt 18. At this time, the water supply hose 12, which has been squeezed and deformed, is no longer subjected to external squeezing force. It automatically rebounds and recovers by relying on the high elasticity of its own rubber material. The rebound thrust pushes the clamping blocks 23 on both sides and the moving plate 20 to slide back to their original positions. The moving plate 20 returns to the initial open position along the limit guide rod 21, and the inner cavity of the water supply hose 12 is restored to the conductive state. The fountain pipeline resumes normal water supply and spraying operation.

[0040] The device adopts a split assembly and sealing structure. The threaded pipes 3 on both sides, together with the inner threaded sleeves 4, the assembly short caps 5, and the inner rings 11, form a double-layer sealing docking structure, which can be adapted to fountain water supply pipes of different specifications. The docking seal is strong and effectively prevents water seepage and leakage at the pipe interface. At the same time, the connection shield 6 fixed on the outside of the threaded pipe 3 completely covers the pipe connection gap and the connection position of the box, which can isolate outdoor moisture, water impurities, and dust from entering the clamping box 1 and the pneumatic box 2, effectively protecting the internal structure and preventing parts from rusting, accumulating dirt and getting stuck. It is suitable for the fountain's all-weather high-frequency start and stop working conditions.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A smart control fountain pipeline pneumatic on / off device, comprising a clamping box (1) and a water delivery hose (12), characterized in that: The clamping box (1) is equipped with a clamping component for clamping the water supply hose (12) on its inner side. Pneumatic boxes (2) are fixedly installed on both sides of the clamping box (1). Pneumatic components for driving the clamping component are installed inside the pneumatic boxes (2). Assembly threaded pipes (3) are fixedly installed at both ends of the pneumatic boxes (2). The assembly threaded pipes (3) are located between the clamping components.

2. The intelligent control fountain pipeline pneumatic on / off device according to claim 1, characterized in that: The clamping assembly includes two movable plates (20), and two connecting straps (18) are fixedly installed on the top of each of the two movable plates (20). A winding wheel (16) is fixedly connected to the end of each connecting strap (18) away from the movable plate (20). A rotating rod (17) is fixedly installed inside the winding wheel (16). A clamping block (23) is fixedly installed on the opposite side of each of the two movable plates (20).

3. The intelligent control fountain pipeline pneumatic on / off device according to claim 2, characterized in that: The clamping box (1) has a clamping groove (22) inside. The two movable plates (20) are movably installed inside the clamping groove (22). Movable balls (19) are movably installed at the bottom and top of the two movable plates (20). The outer side of the movable balls (19) is in contact with the top and bottom of the inner cavity of the clamping groove (22). Four limiting guide rods (21) are symmetrically fixedly installed inside the clamping groove (22). The two movable plates (20) are slidably installed outside the four limiting guide rods (21). The clamping box (1) has a winding and unwinding groove (13) inside. The winding and unwinding wheel (16) and the rotating rod (17) are both located inside the winding and unwinding groove (13).

4. The intelligent control fountain pipeline pneumatic on / off device according to claim 3, characterized in that: The clamping box (1) has a partition (29) fixedly installed inside. The partition (29) has four guide grooves (15) inside, and the connecting strap (18) is movably installed on the inner side of the four guide grooves (15).

5. The intelligent control fountain pipeline pneumatic on / off device according to claim 4, characterized in that: The pneumatic assembly includes two impeller seats (28), and impeller blades (14) are fixedly installed on the inner side of each of the two impeller seats (28). The two impeller seats (28) are respectively fixedly installed at both ends of the winding and unwinding groove (13).

6. The intelligent control fountain pipeline pneumatic on / off device according to claim 5, characterized in that: Both pneumatic boxes (2) have pneumatic slots (24) inside. The impeller seat (28) and impeller blade (14) are located inside the pneumatic slot (24). The connection between the two impeller seats (28) and the rotating rod (17) is installed inside the connecting wall of the clamping box (1) and the pneumatic box (2) through bearings.

7. The intelligent control fountain pipeline pneumatic on / off device according to claim 6, characterized in that: Both pneumatic boxes (2) have triangular air guide grooves (26) on one side, and jet grooves (27) on one side of each triangular air guide groove (26). The jet grooves (27) are connected to the pneumatic grooves (24). The end of each triangular air guide groove (26) away from the jet grooves (27) is connected to a ventilation pipe (7). The end of each ventilation pipe (7) away from the triangular air guide groove (26) is connected to an intelligent ventilation valve (8). The air inlet of the intelligent ventilation valve (8) is connected to a connecting pipe (9). Both pneumatic boxes (2) have exhaust grooves (25) on the other side, and exhaust grooves (25) are connected to the pneumatic grooves (24). The side of each pneumatic groove (24) away from the pneumatic grooves (24) is connected to an exhaust pipe (10).

8. The intelligent control fountain pipeline pneumatic on / off device according to claim 7, characterized in that: The outer side of the assembled threaded tube (3) is sealed with an inner threaded sleeve (4). An assembly short cap (5) is fixedly installed on one side of the inner threaded sleeve (4). An inner ring (11) is fixedly installed on one side of the assembly short cap (5). The assembled threaded tube (3) is located between the inner threaded sleeve (4) and the inner ring (11). The inner side of the assembled threaded tube (3) and the outer side of the inner ring (11) are in contact.

9. A pneumatic on / off device for an intelligent control fountain pipeline according to claim 8, characterized in that: A connecting shield (6) is fixedly installed on the outside of each assembled threaded tube (3), and the end of the connecting shield (6) away from the assembled threaded tube (3) is fixedly connected to the outside of the clamping box (1).

10. A pneumatic on / off device for an intelligent control fountain pipeline according to claim 9, characterized in that: Rubber pads are fixedly installed on the side of the clamping block (23) away from the moving plate (20).

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