Boat propeller with cutting mechanism
By introducing cutting mechanisms and automated control systems into the boat propellers, the problem of boat propellers being susceptible to obstacles during use is solved, achieving higher service life and navigation safety.
Patent Information
- Application Number
- CN202421579694.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-07-04
AI Technical Summary
Existing boat propellers are susceptible to obstacles when used, reducing propulsion efficiency and affecting navigation safety.
A boat propeller with a cutting mechanism is designed, equipped with a cutting blade and a second motor, which can automatically cut under water, prevent the blade from being wound or damaged, and move and position adjustment of the cutting blade through adjustment rods and adjustment blocks.
It effectively reduces the risk of wear and damage of the blades, extends service life, ensures navigation safety, and improves the versatility and flexibility of the device, realizes automated operations, and simplifies operating steps.
Smart Images

Figure CN222663741U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boat propellers, in particular to a boat propeller with a cutting mechanism. Background Art
[0002] As we all know, the existing boat propeller, also known as marine propeller, is one of the main propulsion devices of boats (including ships and boats). The propeller is usually composed of a plurality of blades and a central shaft. The blades are evenly distributed and fixed on the central shaft, and the shape and angle are carefully designed to optimize the propulsion efficiency.
[0003] Existing boat propellers often encounter various obstacles when in use. These obstacles may not only damage the propellers and reduce their propulsion efficiency, but also affect the navigation safety of the ship, resulting in high limitations on their use. For this reason, we propose a boat propeller with a cutting mechanism. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies of the prior art, the utility model provides a boat propeller with a cutting mechanism.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boat propeller with a cutting mechanism, comprising a blade, a moving device and a cutting blade, symmetrical bearings are arranged at both ends of the blade, the inner ring of the bearing is connected to the blade, a connecting rod is arranged at the lower end of the outer ring of the bearing, a mounting box is arranged at the lower end of the connecting rod, a sliding block is arranged in the mounting box, the sliding block passes through the mounting box, the mounting box is connected to the sliding block in a damping sliding manner, the moving device is at the lower end of the sliding block, the moving device comprises a moving box, an adjusting rod and an adjusting block, the lower side wall of the sliding block is connected to the upper end of the moving box , a cavity without a bottom wall is provided in the mobile box, the adjusting rod and the adjusting block are in the cavity, a first motor is provided on one side wall of the mobile box, the adjusting rod passes through the side wall of the mobile box and is connected to the output end of the first motor, the adjusting block is on the adjusting rod, the adjusting rod passes through the adjusting block and is threadedly connected to the adjusting block, the adjusting block is fitted with the inner side wall of the mobile box, a support plate is provided at the lower end of the adjusting block, the cutting leaves are symmetrically arranged at the lower end of the support plate, a symmetrical second motor is provided on the upper side wall of the support plate, and the cutting leaves pass through the support plate and are connected to the output end of the second motor.
[0008] In order to facilitate the fixing of the installation box and the sliding block, the utility model has the following improvements: the side wall of the installation box is provided with symmetrical fixing holes, the sliding block is provided with symmetrical mounting holes, the fixing holes coincide with the mounting holes, a threaded rod is provided in the fixing holes, the threaded rod passes through the fixing holes and the mounting holes and is threadedly connected thereto.
[0009] In order to improve its durability and corrosion resistance, the utility model has the following improvements: the surface of the regulating rod is subjected to corrosion-resistant treatment.
[0010] In order to prevent water or impurities from entering the interior of the bearing, the utility model has the following improvements: a sealing member is arranged between the inner ring and the outer ring of the bearing.
[0011] In order to enhance the structural strength, the utility model has the following improvements: the support plate is made of high-strength material.
[0012] In order to ensure that it can work normally without being damaged in an underwater environment, the utility model has the following improvements: the first motor and the second motor have a waterproof design.
[0013] In order to facilitate observation of the interior of the moving box, the utility model has the following improvements: the side walls of the moving box are made of transparent material.
[0014] In order to conveniently control the rotation speed of the cutting blade, the utility model has the following improvements: the second motor is a servo motor.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides a boat propeller with a cutting mechanism, which has the following beneficial effects:
[0017] The boat propeller with a cutting mechanism is provided with a cutting blade and a second motor. The second motor drives the cutting blade to operate and can automatically perform cutting underwater, effectively preventing the blade from being entangled or damaged, reducing the risk of wear and damage of the blade, and extending the service life of the blade, thereby ensuring the navigation safety of the boat. An adjusting rod and an adjusting block are provided. The output of the first motor drives the adjusting rod to rotate, and the adjusting block moves with the rotation of the adjusting rod, driving the cutting blade to move. The adjusting rod can be adjusted according to actual needs to adapt to the use requirements of different boat propellers, improves the versatility and flexibility of the device, realizes automated operation, simplifies the operating steps, and is provided with an installation box and a sliding block, which are convenient for disassembly and installation of the cutting blade and the blade, thereby facilitating maintenance or replacement, reducing the maintenance cost and time loss caused by propeller damage, and ensuring the stability and reliability of the cutting device during operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;
[0019] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;
[0020] Figure 3 This is a schematic diagram of the structure of the utility model from a third viewing angle;
[0021] Figure 4 This is an exploded schematic diagram of the installation box and the sliding block of the utility model structure.
[0022] In the figure: 1. moving box; 2. paddle; 3. bearing; 4. connecting rod; 5. mounting box; 6. sliding block; 7. cutting blade; 8. supporting plate; 9. second motor; 10. first motor; 11. adjusting rod; 12. adjusting block; 13. threaded rod. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-4A boat propeller with a cutting mechanism comprises a blade 2, a moving device and a cutting blade 7, symmetrical bearings 3 are arranged at both ends of the blade 2, the inner ring of the bearing 3 is connected to the blade 2, a connecting rod 4 is arranged at the lower end of the outer ring of the bearing 3, a mounting box 5 is arranged at the lower end of the connecting rod 4, a sliding block 6 is arranged in the mounting box 5, the sliding block 6 passes through the mounting box 5, the mounting box 5 is connected to the sliding block 6 in a damping sliding manner, the moving device is at the lower end of the sliding block 6, the moving device comprises a moving box 1, an adjusting rod 11 and an adjusting block 12, the lower side wall of the sliding block 6 is connected to the upper end of the moving box 1, a cavity without a bottom wall is arranged in the moving box 1, the adjusting rod 11 and the adjusting block 12 are in the cavity, a first motor 10 is arranged on one side wall of the moving box 1, the The adjusting rod 11 passes through the side wall of the mobile box 1 and is connected to the output end of the first motor 10. The adjusting block 12 is on the adjusting rod 11. The adjusting rod 11 passes through the adjusting block 12 and is threadedly connected thereto. The adjusting block 12 fits the inner wall of the mobile box 1. A supporting plate 8 is provided at the lower end of the adjusting block 12. The cutting leaves 7 are symmetrically arranged at the lower end of the supporting plate 8. A symmetrical second motor 9 is provided on the upper side wall of the supporting plate 8. The cutting leaves 7 pass through the supporting plate 8 and are connected to the output end of the second motor 9. Symmetrical fixing holes are provided on the side wall of the mounting box 5. The sliding block 6 is provided with symmetrical mounting holes. The fixing holes coincide with the mounting holes. A threaded rod 13 is provided in the fixing hole. The threaded rod 13 passes through the fixing hole and the mounting hole and is threadedly connected thereto.
[0025] During use, the paddle 2 is installed and used, and the sliding block 6 is passed through the mounting box 5 so that the fixing hole and the mounting hole coincide with each other. The threaded rod 13 is passed through the fixing hole and the mounting hole and then tightened to fix it. Then the first motor 10 is started, and the output of the first motor 10 drives the adjusting rod 11 to rotate. The adjusting block 12 moves under the limit of the moving box 1 as the adjusting rod 11 rotates, driving the cutting leaf 7 to move. The position of the cutting leaf 7 can be adjusted to adapt to the paddle 2. After adjusting to the appropriate position, the second motor 9 is started, and the output of the second motor 9 drives the cutting leaf 7 to rotate, so as to facilitate the clearing and cutting of obstacles. The paddle 2 is a propeller, which is not described in detail in this article.
[0026] In actual use, it is necessary to improve its durability and corrosion resistance and extend its service life. In order to meet the above requirements, in this embodiment, the surface of the adjusting rod 11 is subjected to anti-corrosion treatment.
[0027] In actual use, it is necessary to prevent water or impurities from entering the interior of the bearing 3 to improve the durability and reliability of the bearing 3. In order to meet the above requirements, in this embodiment, a seal is provided between the inner ring and the outer ring of the bearing 3.
[0028] In actual use, it is necessary to enhance the structural strength to withstand the reaction force generated by the cutting blade 7 during operation. In order to meet the above requirements, in this embodiment, the support plate 8 is made of high-strength material.
[0029] In actual use, it is necessary to ensure that it can work normally in an underwater environment without being damaged. In order to meet the above requirements, in this embodiment, the first motor 10 and the second motor 9 have a waterproof design.
[0030] In actual use, it is necessary to conveniently observe the status of the internal adjustment rod 11. In order to meet the above requirement, in this embodiment, the side wall of the moving box 1 is made of transparent material.
[0031] In actual use, it is necessary to conveniently control the rotation speed of the cutting blade 7. In order to meet the above requirement, in this embodiment, the second motor 9 is a servo motor.
[0032] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A boat propeller with a cutting mechanism, comprising a blade (2), a moving device and a cutting blade (7), characterized in that: Symmetrical bearings (3) are provided at both ends of the blade (2); the inner ring of the bearing (3) is connected to the blade (2); the lower end of the outer ring of the bearing (3) is provided with a connecting rod (4); the lower end of the connecting rod (4) is provided with a mounting box (5); a sliding block (6) is provided in the mounting box (5); the sliding block (6) passes through the mounting box (5); the mounting box (5) is connected to the sliding block (6) in a damping sliding manner; the moving device is at the lower end of the sliding block (6); the moving device comprises a moving box (1), an adjusting rod (11) and an adjusting block (12); the lower side wall of the sliding block (6) is connected to the upper end of the moving box (1); a cavity without a bottom wall is provided in the moving box (1); the adjusting rod (11) is connected to the adjusting block (12); The block (12) is in the cavity, a first motor (10) is arranged on one side wall of the mobile box (1), the adjusting rod (11) passes through the side wall of the mobile box (1) and is connected to the output end of the first motor (10), the adjusting block (12) is on the adjusting rod (11), the adjusting rod (11) passes through the adjusting block (12) and is threadedly connected thereto, the adjusting block (12) is in contact with the inner side wall of the mobile box (1), a support plate (8) is arranged at the lower end of the adjusting block (12), the cutting leaves (7) are symmetrically arranged at the lower end of the support plate (8), a symmetrical second motor (9) is arranged on the upper side wall of the support plate (8), the cutting leaves (7) pass through the support plate (8) and are connected to the output end of the second motor (9).
2. A boat propeller with a cutting mechanism according to claim 1, characterized in that: The side wall of the installation box (5) is provided with symmetrical fixing holes, and the sliding block (6) is provided with symmetrical mounting holes, the fixing holes coincide with the mounting holes, a threaded rod (13) is provided in the fixing holes, and the threaded rod (13) passes through the fixing holes and the mounting holes and is threadedly connected thereto.
3. A boat propeller with a cutting mechanism according to claim 2, characterized in that: The surface of the adjusting rod (11) is subjected to anti-corrosion treatment.
4. A boat propeller with a cutting mechanism according to claim 3, characterized in that: A sealing member is provided between the inner ring and the outer ring of the bearing (3).
5. A boat propeller with a cutting mechanism according to claim 4, characterized in that: The support plate (8) is made of high-strength material.
6. A boat propeller with a cutting mechanism according to claim 5, characterized in that: The first motor (10) and the second motor (9) have a waterproof design.
7. A boat propeller with a cutting mechanism according to claim 6, characterized in that: The side wall of the moving box (1) is made of transparent material.
8. A boat propeller with a cutting mechanism according to claim 7, characterized in that: The second motor (9) is a servo motor.