Low-noise damping type electric outboard motor structure
By using damped telescopic rods, springs and hydraulic oil-driven turbofans and impellers in electric outboards, replacing the traditional transmission method, the vibration and noise problems of electric outboards are solved, and more stable and silent power transmission is achieved.
Patent Information
- Application Number
- CN202420757160.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing electric outboards have large vibration amplitude and high noise when working, making it difficult for drivers to effectively control.
Adopt a low-noise shock-absorbing electric outboard structure, including a shell, damping telescopic rod, spring, movable mounting plate, motor, reducer, hydraulic oil system and fluid conduction hose, and drives the propeller through hydraulic oil to drive the turbofan and impeller Rotate, instead of the traditional transmission shaft and gear transmission method, combined with damping telescopic rod and spring shock absorbing structure.
It effectively filters vibration and noise during operation, improves the stability and quietness of the external unit, and enhances the convenience of driving control.
Smart Images

Figure CN222157781U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric outboard motors, in particular to a low-noise and vibration-absorbing electric outboard motor structure. Background Art
[0002] An electric outboard motor refers to a propeller installed on the outside of the stern of a boat. The propeller on the outboard motor rotates to provide power to the boat, allowing the boat to move at high speed on the water. The electric outboard motor is one of the core components of an electric boat.
[0003] The existing electric outboard motor has a large vibration amplitude when working, which is not convenient for the driver to control, and the noise generated when the transmission structure rotates is relatively large. Utility Model Content
[0004] The utility model aims to provide a low-noise shock-absorbing electric outboard motor structure which can reduce the vibration and noise generated during operation.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A low-noise and vibration-absorbing electric outboard motor structure comprises a shell, a plurality of damping telescopic rods are fixedly connected to the inner bottom end surface of the shell, a movable mounting plate is fixedly installed at the telescopic end of the damping telescopic rod, a spring is sleeved on the outside of the damping telescopic rod, a first power mechanism is installed on the upper surface of the movable mounting plate, a connecting pipe is fixedly connected to the lower surface of the shell, one end of the connecting pipe is fixedly connected to the second power mechanism, the first power mechanism and the second power mechanism are connected by two liquid guiding hoses, and hydraulic oil is contained in the first power mechanism, the second power mechanism and the liquid guiding hose.
[0007] By adopting the above technical solution, the vibration generated when the power component is working can be effectively filtered, and the traditional transmission method can also be replaced.
[0008] Furthermore, a motor and a reducer are fixedly mounted on the upper surface of the movable mounting plate, one end of the rotating shaft of the motor is connected to the input end of the reducer, and the output end of the reducer is connected to the input end of the first power mechanism.
[0009] By adopting the above technical solution, power is provided for the rotation of the first power mechanism.
[0010] Further, the first power mechanism includes a first power seat, a turbofan is rotatably mounted at the central axis position of the first power seat, and a liquid storage tank is connected to the outer surface of the first power seat, one end of one of the liquid guiding hoses is fixedly mounted at the liquid guiding port on the side surface of the liquid storage tank, and one end of the other liquid guiding hose is fixedly mounted at the liquid guiding port at the lower arc point of the end surface of the first power seat.
[0011] By adopting the above technical solution, the rotation of the turbofan can drive the flow of hydraulic oil inside the first power seat.
[0012] Furthermore, the second power mechanism includes a second power seat, an impeller is rotatably mounted inside the second power seat, a propeller is fixedly mounted at one end of the rotating shaft of the impeller, a liquid conduction port is respectively arranged on the symmetrical side surfaces of the second power seat, and the two liquid conduction hoses are respectively connected to the two liquid conduction ports.
[0013] By adopting the above technical solution, the flowing hydraulic oil can effectively drive the impeller to rotate, and then drive the propeller to rotate.
[0014] Furthermore, the liquid guiding hose runs through the interior of the connecting tube.
[0015] By adopting the above technical solution, the connecting tube can be used to protect the liquid guiding hose.
[0016] Furthermore, a handle is fixedly connected to the outer surface of the shell, a control switch is provided at one end of the handle, and the control switch is electrically connected to the motor.
[0017] By adopting the above technical solution, the direction and speed of the external machine can be conveniently controlled.
[0018] In summary, the beneficial technical effects of the utility model are:
[0019] 1. The utility model can utilize the mutual cooperation of the damping telescopic rod and the spring to provide a shock absorbing structure below the movable mounting plate. When the motor, the reducer, and the first power mechanism on the movable mounting plate are working, the shock absorbing structure can filter vibration well, thereby effectively improving the shock filtering performance of the external unit, thereby improving the working stability of the external unit;
[0020] 2. The utility model rotates the turbofan inside the first power mechanism so that the hydraulic oil can circulate through the two liquid-conducting hoses and the inside of the second power mechanism, and uses the flowing hydraulic oil to drive the impeller to rotate, thereby driving the propeller to rotate. This structure replaces the traditional transmission shaft and gear transmission method, effectively avoiding the vibration and noise generated during the rotation of the traditional structure, and further improving the quietness and stability of the external machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0022] Figure 2 It is the internal structure diagram of the utility model;
[0023] Figure 3 For this utility model Figure 2 Enlarged view of point A.
[0024] In the figure: 1. shell; 2. handle; 3. motor; 4. reducer; 5. first power mechanism; 6. liquid guiding hose; 7. connecting pipe; 8. second power mechanism; 9. propeller; 10. impeller; 11. spring; 12. liquid storage tank; 13. first power seat; 14. turbofan; 15. movable mounting plate; 16. damping telescopic rod. DETAILED DESCRIPTION
[0025] The method of the utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] See attached Figure 1 , Figure 2 , Figure 3 A low-noise and vibration-absorbing electric outboard motor structure includes a shell 1, a plurality of damping telescopic rods 16 are fixedly connected to the inner bottom end surface of the shell 1, a movable mounting plate 15 is fixedly installed at the telescopic end of the damping telescopic rod 16, a spring 11 is sleeved on the outer side of the damping telescopic rod 16, a first power mechanism 5 is installed on the upper surface of the movable mounting plate 15, a connecting pipe 7 is fixedly connected to the lower surface of the shell 1, one end of the connecting pipe 7 is fixedly connected to the second power mechanism 8, the first power mechanism 5 and the second power mechanism 8 are connected through two liquid guiding hoses 6, the first power mechanism 5, the second power mechanism 8 and the liquid guiding hose 6 are filled with hydraulic oil, a motor 3 and a reducer 4 are fixedly installed on the upper surface of the movable mounting plate 15, one end of the rotating shaft of the motor 3 is connected to the reducer 4 The input end of the shell 1 is connected, the output end of the reducer 4 is connected to the input end of the first power mechanism 5, the liquid guiding hose 6 runs through the inside of the connecting pipe 7, and a handle 2 is fixedly connected to the outer surface of the shell 1, and a control switch is provided at one end of the handle 2, and the control switch is electrically connected to the motor 3, wherein the damping telescopic rod 16 and the spring 11 can cooperate with each other to make the bottom of the movable mounting plate 15 have a shock-absorbing structure, when the motor 3, the reducer 4 and the first power mechanism 5 on the movable mounting plate 15 are working, the shock-absorbing structure can filter the vibration well, and thus can effectively improve the shock filtering performance of the external machine, thereby improving the working stability of the external machine, and at the same time, the handle 2 can be used to control the direction of the external machine, and the control valve can be used to control the speed of the motor 3, thereby controlling the speed of the electric boat.
[0027] Reference Figure 2 , Figure 3The first power mechanism 5 includes a first power seat 13, a turbofan 14 is rotatably installed at the central axis position of the first power seat 13, and a liquid storage tank 12 is connected to the outer surface of the first power seat 13, one end of which is fixedly installed at the liquid guide port on the side surface of the liquid storage tank 12, and one end of the other liquid guide hose 6 is fixedly installed at the liquid guide port at the lower arc point of the end face of the first power seat 13. The second power mechanism 8 includes a second power seat, an impeller 10 is rotatably installed inside the second power seat, and a propeller 9 is fixedly installed at one end of the rotating shaft of the impeller 10. A liquid guide port is respectively arranged on the symmetrical side surfaces of the second power seat, and the two liquid guide hoses 6 are respectively connected to the two liquid guide ports, wherein the motor 3 can be used to provide power for the first power mechanism 5, so that the turbofan 14 can be in the first power seat. The inside of the power seat 13 rotates, and the rotating turbofan 14 can make the hydraulic oil inside the first power seat 13 flow into the inside of one of the liquid guiding hoses 6, and then enter the inside of the second power seat along the liquid guiding hose 6. When the hydraulic oil passes through the inside of the second power seat, the flowing hydraulic oil drives the impeller 10 to rotate. Since the propeller 9 is installed at one end of the rotating shaft of the impeller 10, the propeller 9 starts to rotate, providing power for the movement of the electric boat. The hydraulic oil passing through the second power seat flows into the inside of the liquid storage tank 12 under the guidance of another liquid guiding hose 6, and then re-enters the inside of the first power seat 13. The transmission structure replaces the traditional transmission method of the transmission shaft and gears, thereby avoiding the noise and vibration generated during the rotation of the transmission shaft and gears, and further improving the quietness and shock filtering performance of the external machine.
[0028] Working principle: When in use, first install the external machine structure at the stern of the electric boat, then place the propeller 9 in the water, then hold one end of the handle 2, and control the speed of the motor 3 by controlling the switch. When the motor 3 rotates, it drives the reducer 4 to rotate, and then drives the turbofan 14 inside the first power mechanism 5 to rotate. At this time, the rotating turbofan 14 can make the hydraulic oil inside the first power seat 13 flow into the inside of one of the liquid guide hoses 6, and then enter the inside of the second power seat along the liquid guide hose 6. When the hydraulic oil passes through the inside of the second power seat, the flowing hydraulic oil drives the impeller 10 to rotate. Since the propeller 9 is installed At one end of the rotating shaft of the impeller 10, the propeller 9 starts to rotate, providing power for the movement of the electric boat. The hydraulic oil passing through the second power seat flows into the interior of the liquid storage tank 12 under the guidance of another liquid guiding hose 6, and then re-enters the interior of the first power seat 13. Since the motor 3, the reducer 4, and the first power mechanism 5 are all installed on the movable mounting plate 15, a plurality of damping telescopic rods 16 are arranged between the movable mounting plate 15 and the shell 1, and a spring 11 is sleeved on the outside of the damping telescopic rod 16, so that the vibration on the movable mounting plate 15 can be well filtered to ensure that the external machine structure has low noise and low vibration performance during operation.
[0029] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A low-noise, vibration-damping electric outboard motor structure, comprising a housing (1), characterized in that: A plurality of damping telescopic rods (16) are fixedly connected to the inner bottom end surface of the shell (1), a movable mounting plate (15) is fixedly mounted on the telescopic end of the damping telescopic rod (16), a spring (11) is sleeved on the outside of the damping telescopic rod (16), a first power mechanism (5) is mounted on the upper surface of the movable mounting plate (15), a connecting pipe (7) is fixedly connected to the lower surface of the shell (1), one end of the connecting pipe (7) is fixedly connected to the second power mechanism (8), the first power mechanism (5) and the second power mechanism (8) are connected via two liquid guiding hoses (6), and hydraulic oil is contained inside the first power mechanism (5), the second power mechanism (8) and the liquid guiding hose (6).
2. The low-noise and vibration-absorbing electric outboard motor structure according to claim 1, characterized in that: A motor (3) and a reducer (4) are fixedly mounted on the upper surface of the movable mounting plate (15); one end of the rotating shaft of the motor (3) is connected to the input end of the reducer (4); and the output end of the reducer (4) is connected to the input end of the first power mechanism (5).
3. The low-noise and vibration-absorbing electric outboard motor structure according to claim 1, characterized in that: The first power mechanism (5) comprises a first power seat (13), a turbofan (14) is rotatably mounted at the central axis position of the first power seat (13), and a liquid storage tank (12) is connected to the outer surface of the first power seat (13), one end of one of the liquid guiding hoses (6) is fixedly mounted at a liquid guiding port on the side surface of the liquid storage tank (12), and one end of the other liquid guiding hose (6) is fixedly mounted at a liquid guiding port at the lower arc point of the end surface of the first power seat (13).
4. The low-noise and vibration-absorbing electric outboard motor structure according to claim 1, characterized in that: The second power mechanism (8) comprises a second power seat, an impeller (10) is rotatably mounted inside the second power seat, a propeller (9) is fixedly mounted at one end of the rotating shaft of the impeller (10), a liquid guide port is respectively arranged on the symmetrical side surfaces of the second power seat, and the two liquid guide hoses (6) are respectively connected to the two liquid guide ports.
5. The low-noise and vibration-absorbing electric outboard motor structure according to claim 1, characterized in that: The liquid guiding hose (6) passes through the interior of the connecting tube (7).
6. The low-noise and vibration-absorbing electric outboard motor structure according to claim 2, characterized in that: A handle (2) is fixedly connected to the outer surface of the housing (1), a control switch is provided at one end of the handle (2), and the control switch is electrically connected to the motor (3).
