An adjustable-angle water jet propulsion steering nozzle control mechanism

Abstract

This utility model relates to the field of water jet propulsion technology and discloses an adjustable-angle water jet propulsion steering nozzle control mechanism. It includes a propulsion body, a connecting pipe movably mounted at one end of the propulsion body, a folding pipe fixedly mounted at one end of the connecting pipe, a nozzle body fixedly connected at one end of the folding pipe, and an array of inserted blocks fixedly mounted at one end of the connecting pipe. An array of inserted ports is opened at one end of the propulsion body, with multiple inserted blocks slidably inserted into the interior of multiple inserted ports. An array of bolts is threaded onto the outer side of one end of the propulsion body. This utility model uses a motor to control a first gear, which drives a meshing second and third gear to engage a gear ring and a connecting rod, causing the L-shaped rod to rotate laterally around the nozzle body, thereby steering the nozzle body. This facilitates changing the direction of water jet propulsion and is more labor-saving and convenient than traditional methods that rely solely on rudder operation for steering, improving steering smoothness.

Description

Technical Field

[0001] This utility model belongs to the field of water jet propulsion technology, specifically an adjustable-angle water jet propulsion steering nozzle control mechanism. Background Technology

[0002] Waterjet propulsion systems are widely used in waterborne navigation equipment such as ships and amphibious vehicles due to their advantages such as high propulsion efficiency, fast control response, and adaptability to complex aquatic environments.

[0003] Traditional waterjet propulsion systems only have the function of straight-line thrust. When a ship is turning, it can only rely on manual operation of the rudder to turn, which is very laborious and cumbersome. As a result, waterjet propulsion systems lack the function of assisting in turning and improving the smoothness of turning. Utility Model Content

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides an adjustable angle water jet propulsion steering nozzle control mechanism, which effectively solves the problems mentioned in the background.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable-angle water jet propulsion steering nozzle control mechanism, comprising a propulsion body, a connecting pipe movably installed at one end of the propulsion body, a folding pipe fixedly installed at one end of the connecting pipe, a nozzle body fixedly connected at one end of the folding pipe, an array of inserted blocks fixedly installed at one end of the connecting pipe, an array of inserted ports opened at one end of the propulsion body, multiple inserted blocks slidably inserted into the interior of multiple inserted ports, and an array of bolts threadedly installed on the outer side of one end of the propulsion body, multiple bolts being threadedly connected to multiple inserted blocks.

[0006] Preferably, an L-shaped rod is fixedly installed on the inner bottom surface of the nozzle body, and a limiting post is fixedly installed on the inner bottom surface of the connecting pipe. The L-shaped rod is rotatably sleeved on the outside of the limiting post, and a movable groove is opened at one end of the L-shaped rod.

[0007] Preferably, a rotating shaft is rotatably mounted on the inner bottom surface of the connecting pipe, a connecting rod is fixedly connected to the top end of the rotating shaft, one end of the connecting rod is movably connected to the inside of the movable groove, a circular groove is opened inside the connecting rod, and a toothed ring is fixedly installed inside the circular groove.

[0008] Preferably, a motor is fixedly installed on the inner bottom surface of the connecting pipe, a first gear is fixedly connected to the drive end of the motor, a protective shell is fixedly installed on the inner bottom surface of the connecting pipe, a connecting shaft is rotatably installed inside the protective shell, a second gear is fixedly sleeved on the outside of the connecting shaft, the second gear meshes with the first gear, and a third gear is fixedly connected to the bottom end of the connecting shaft, the third gear meshes with the gear ring.

[0009] Preferably, a connecting seat is fixedly installed on both sides of one end of the protective shell, a connecting block is rotatably connected to the outside of each of the two connecting seats, a protective plate is fixedly connected to one end of each of the two connecting blocks, a spring is fixedly connected to one end of each of the two protective plates, one end of each of the two springs is fixedly connected to the outside of the protective shell, and damping rods are fixedly installed on both sides of the outside of the protective shell, with one end of each of the two damping rods fixedly connected to the two protective plates.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This utility model uses a motor to control the first gear, which drives the meshing second and third gears to drive the gear ring and connecting rod to adjust the lateral rotation of the L-shaped rod of the nozzle body, thereby turning the nozzle body and making it easier to change the direction of water jet. Compared with the traditional method of relying solely on operating the rudder to turn, this method is more labor-saving and convenient, and improves the smoothness of turning.

[0012] 2. This new type of device effectively protects the components inside the protective shell from impact by using a combination of protective shell, protective plate, damping rod, and spring, thereby improving its protective performance.

[0013] 3. This new type of device facilitates the assembly and disassembly of the propeller body and connecting pipe through the use of inserts, sockets and bolts, thereby making it easier to maintain the internal components. Attached Figure Description

[0014] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of the connecting pipe of this utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of the connecting pipe, folding pipe, and nozzle body of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure of the connecting rod of this utility model;

[0020] Figure 5 This is a schematic diagram of the connection structure of the protective plate of this utility model;

[0021] In the diagram: 1. Thruster body; 2. Connecting pipe; 3. Folding pipe; 4. Nozzle body; 5. Insert block; 6. Insertion port; 7. Bolt; 8. L-shaped rod; 9. Limiting post; 10. Movable groove; 11. Rotating shaft; 12. Connecting rod; 13. Circular groove; 14. Gear ring; 15. Motor; 16. First gear; 17. Protective shell; 18. Connecting shaft; 19. Second gear; 20. Third gear; 21. Connecting seat; 22. Connecting block; 23. Protective plate; 24. Spring; 25. Damping rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Example 1, by Figures 1-5 The present invention includes a thruster body 1, a connecting pipe 2 movably mounted on one end of the thruster body 1, a folding pipe 3 fixedly mounted on one end of the connecting pipe 2, the folding pipe 3 being used for rotatable connection of the nozzle body 4, the nozzle body 4 being fixedly connected to one end of the folding pipe 3, an array of inserted blocks 5 being fixedly mounted on one end of the connecting pipe 2, an array of inserted ports 6 being opened on one end of the thruster body 1, multiple inserted blocks 5 being slidably inserted into the multiple inserted ports 6, the inserted blocks 5 being inserted into the inserted ports 6 for connecting the thruster body 1 and the connecting pipe 2, an array of bolts 7 being threadedly mounted on the outer side of one end of the thruster body 1, the bolts 7 being used to fix the inserted blocks 5, and multiple bolts 7 being threadedly connected to multiple inserted blocks 5.

[0024] An L-shaped rod 8 is fixedly installed on the inner bottom surface of the nozzle body 4, and a limiting post 9 is fixedly installed on the inner bottom surface of the connecting pipe 2. The limiting post 9 is used to limit and support the L-shaped rod 8. The L-shaped rod 8 is rotatably sleeved on the outside of the limiting post 9. One end of the L-shaped rod 8 is provided with a movable groove 10, which is used for adjusting the movement of the L-shaped rod 8. A rotating shaft 11 is rotatably installed on the inner bottom surface of the connecting pipe 2. The rotating shaft 11 is used for supporting the rotation of the connecting rod 12. The top end of the rotating shaft 11 is fixedly connected to the connecting rod 12. The connecting rod 12 is used to move in the movable groove 10 to adjust the L-shaped rod 8. One end of the connecting rod 12 is movably connected to the inside of the movable groove 10. A circular groove 13 is provided inside the connecting rod 12, and a toothed ring 14 is fixedly installed inside the circular groove 13.

[0025] A motor 15 is fixedly installed on the inner bottom surface of the connecting pipe 2. The motor 15 is used to control the rotation of the first gear 16. The first gear 16 is fixedly connected to the drive end of the motor 15. A protective shell 17 is fixedly installed on the inner bottom surface of the connecting pipe 2. The protective shell 17 is used to protect the motor 15 and other components. A connecting shaft 18 is rotatably installed inside the protective shell 17. A second gear 19 is fixedly sleeved on the outside of the connecting shaft 18. The connecting shaft 18 is used to support the second gear 19 and the third gear 20. The second gear 19 and the first gear 16 are meshed. The third gear 20 is fixedly connected to the bottom end of the connecting shaft 18. The third gear 20 is meshed with the gear ring 14.

[0026] Connecting seats 21 are fixedly installed on both sides of one end of the protective shell 17. Connecting blocks 22 are rotatably connected to the outside of the two connecting seats 21. Protective plates 23 are fixedly connected to one end of the two connecting blocks 22. Protective plates 23 are used to improve protection. Springs 24 are fixedly connected to one end of the two protective plates 23. One end of the two springs 24 is fixedly connected to the outside of the protective shell 17. Damping rods 25 are fixedly installed on both sides of the outside of the protective shell 17. One end of the two damping rods 25 is fixedly connected to the two protective plates 23. Damping rods 25 and springs 24 are used to improve the buffering capacity of the protective plates 23.

[0027] Working principle: In use, firstly, insert the insert block 5 into the socket 6 and then fix it with bolts 7, thereby connecting the connecting pipe 2, folding pipe 3, nozzle body 4 and propeller body 1. Removing bolts 7 facilitates maintenance of the components in the connecting pipe 2. The motor 15 rotates the first gear 16, which drives the second gear 19 to rotate. The second gear 19 then drives the connecting shaft 18 to rotate the third gear 20. The rotation of the third gear 20 drives the gear ring 14 to move, causing the connecting rod 12 to rotate. The connecting rod 12 moves in the movable groove 10, thereby rotating and adjusting the L-shaped rod 8 in the limiting post 9, which in turn drives the nozzle body 4 to rotate laterally. The folding pipe 3 moves in coordination with the nozzle body 4. When the water flow is too fast, the internal components are protected by the protective shell 17, and the protective plate 23 protects the protective shell 17 with the cooperation of the damping rod 25 and the spring 24.

Claims

1. An adjustable angle waterjet thruster nozzle steering mechanism comprising a thruster body (1), characterized in that: One end of the thruster body (1) is movably installed with a connecting pipe (2), one end of the connecting pipe (2) is fixedly installed with a folded pipe (3), one end of the folded pipe (3) is fixedly connected with a nozzle body (4), one end of the connecting pipe (2) is fixedly installed with an array of inserts (5), one end of the thruster body (1) is provided with an array of inserts (6), multiple inserts (5) are slidably inserted into the interior of multiple inserts (6), one end of the thruster body (1) is threaded with an array of bolts (7), and multiple bolts (7) are threadedly connected to multiple inserts (5).

2. An angularly adjustable waterjet thruster nozzle steering mechanism according to claim 1, characterized in that: An L-shaped rod (8) is fixedly installed on the inner bottom surface of the nozzle body (4), and a limiting post (9) is fixedly installed on the inner bottom surface of the connecting pipe (2). The L-shaped rod (8) is rotatably sleeved on the outside of the limiting post (9), and a movable groove (10) is opened at one end of the L-shaped rod (8).

3. An angularly adjustable waterjet thruster nozzle steering mechanism according to claim 1, characterized in that: The inner bottom surface of the connecting pipe (2) is rotatably mounted with a rotating shaft (11), and the top end of the rotating shaft (11) is fixedly connected with a connecting rod (12). One end of the connecting rod (12) is movably connected to the inside of the movable groove (10). A circular groove (13) is opened inside the connecting rod (12), and a toothed ring (14) is fixedly installed inside the circular groove (13).

4. An angularly adjustable waterjet thruster nozzle steering mechanism according to claim 1, characterized in that: A motor (15) is fixedly installed on the inner bottom surface of the connecting pipe (2). A first gear (16) is fixedly connected to the drive end of the motor (15). A protective shell (17) is fixedly installed on the inner bottom surface of the connecting pipe (2). A connecting shaft (18) is rotatably installed inside the protective shell (17). A second gear (19) is fixedly sleeved on the outside of the connecting shaft (18). The second gear (19) and the first gear (16) are meshed and connected. A third gear (20) is fixedly connected to the bottom end of the connecting shaft (18). The third gear (20) and the gear ring (14) are meshed and connected.

5. An angularly adjustable waterjet thruster nozzle steering mechanism according to claim 4, characterized in that: The protective shell (17) has a connecting seat (21) fixedly installed on both sides of one end. The two connecting seats (21) are rotatably connected to the outside of the two connecting blocks (22). The two connecting blocks (22) are fixedly connected to one end of the two protective plates (23). The two protective plates (23) are fixedly connected to one end of the two protective plates (23). The two springs (24) are fixedly connected to the outside of the protective shell (17). The two outer sides of the protective shell (17) are fixedly installed with damping rods (25). The two damping rods (25) are fixedly connected to the two protective plates (23).

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