CN220948492U - Underwater propulsion device of electric outboard engine - Google Patents
Underwater propulsion device of electric outboard engine Download PDFInfo
- Publication number
- CN220948492U CN220948492U CN202322772419.6U CN202322772419U CN220948492U CN 220948492 U CN220948492 U CN 220948492U CN 202322772419 U CN202322772419 U CN 202322772419U CN 220948492 U CN220948492 U CN 220948492U
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- gear reduction
- underwater
- reduction box
- propulsion device
- shell
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The embodiment of the application provides an underwater propulsion device of an electric outboard engine, which comprises an underwater shell, a driving motor, a gear reduction box and a propeller, wherein the driving motor is arranged on the underwater shell; the gear reduction box is independently arranged relative to the underwater shell and is detachably arranged at the tail end of the underwater shell; the driving motor is arranged in the underwater shell, and an output shaft of the driving motor is in transmission connection with an input shaft of the gear reduction box; the propeller is detachably arranged on an output shaft of the gear reduction box; the gear reduction boxes with different output torques can be replaced according to the use requirements of users, and propellers with different types can be replaced, so that the underwater propulsion device can meet the use requirements of different ship types and different operation conditions; when the gear reduction box is broken down or damaged due to collision, the gear reduction box can be detached for maintenance or replacement.
Description
Technical Field
The utility model relates to the field of outboard engines, in particular to an underwater propulsion device of an electric outboard engine.
Background
Currently, in the field of electric outboard engines, the common mounting locations for motors are typically two of the following: firstly, a motor is placed on water, an output shaft of the motor stretches into water, and speed and torque are reduced through the cooperation of a reduction gear set; in addition, the motor is arranged in the underwater propulsion device, the motor output shaft is in transmission connection with the propeller shaft through a planetary reduction gearbox, a reduction gear set and other reduction mechanisms, the rotating speed is reduced by the reduction mechanism, the torque is transmitted to the propeller, the defect of the mode is that the damage of the reduction gear is easily caused when the underwater propeller is impacted, the output torque of the reduction mechanism is fixed, and the use requirements of different ship types and different operation conditions are difficult to meet.
Disclosure of utility model
The embodiment of the utility model provides an underwater propulsion device of an electric outboard engine, which aims to solve the technical problems that the output torque of a speed reducing mechanism of the existing underwater propulsion device is fixed and a speed reducing gear is easy to damage.
The embodiment of the utility model provides an underwater propulsion device of an electric outboard engine, which comprises an underwater shell, a driving motor, a gear reduction box and a propeller, wherein the driving motor is arranged on the underwater shell; the gear reduction box is independently arranged relative to the underwater shell and is detachably arranged at the tail end of the underwater shell; the driving motor is arranged in the underwater shell, and an output shaft of the driving motor is in transmission connection with an input shaft of the gear reduction box; the propeller is detachably arranged on the output shaft of the gear reduction box.
Optionally, an output shaft of the driving motor is in transmission connection with an input shaft of the gear reduction box through a spline.
Optionally, a thread is arranged on an output shaft of the gear reduction box, and the screw propeller is locked and fixed through a nut.
Optionally, the gear reduction box comprises a box body and a gear reduction assembly arranged in the box body; the box body is detachably connected with the underwater shell, and a sealing gasket is arranged at the joint of the box body and the underwater shell.
Optionally, an oil seal is adopted between the output shaft of the gear reduction box and the box body.
Optionally, the outer peripheral surface of the tank body and the outer peripheral surface of the underwater housing are streamlined as a whole.
The embodiment of the utility model has the following beneficial effects: the gear reduction boxes are independently arranged and detachably connected with the underwater shell, so that the gear reduction boxes with different output torques can be replaced according to the use requirements of users, and propellers with different types can be replaced, so that the underwater propulsion device can meet the use requirements of different ship types and different operation conditions; in addition, when the gear reduction box is broken or damaged due to collision, the gear reduction box can be detached for maintenance or replacement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
the figures represent the numbers:
1. An underwater housing; 2. a driving motor; 3. a gear reduction box; 31. a case; 32. a gear reduction assembly; 4. a propeller; 5. a screw cap; 6. a sealing gasket; 7. and (3) oil sealing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
The embodiment of the utility model provides an underwater propulsion device of an electric outboard engine, as shown in fig. 1, comprising an underwater shell 1, a driving motor 2, a gear reduction box 3 and a propeller 4, wherein an output shaft of the driving motor 2 is in transmission connection with an input shaft of the gear reduction box 3, the propeller 4 is detachably arranged on an output shaft of the gear reduction box 3, the driving motor 2 transmits output torque of the propeller to the gear reduction box 3, and the propeller 4 is driven to rotate after the rotation speed is reduced by the gear reduction box 3 to lift the torque. As some alternative embodiments, the output shaft of the driving motor 2 may be in driving connection with the input shaft of the gear reduction box 3 through a spline; threads can be arranged on the output shaft of the gear reduction box 3, and the screw 4 can be locked and fixed through a nut 5.
It should be noted that in the embodiment of the present utility model, the driving motor 2 is installed in the underwater housing 1, and the gear reduction box 3 is independently disposed relative to the underwater housing 1 and detachably installed at the tail end of the underwater housing 1, so that a user can replace the gear reduction boxes 3 with different output torques according to own use requirements, and can also replace propellers 4 with different types, so that the underwater propulsion device can meet use requirements under different ship types and different operation conditions; in addition, when the gear reduction box 3 is broken or damaged due to an impact, the gear reduction box 3 may be removed for maintenance or replacement.
Specifically, the gear reduction box 3 in the embodiment of the present utility model includes a box 31 and a gear reduction assembly 32 disposed in the box 31, where the box 31 may be detachably connected to the underwater housing 1 by means of bolting, screwing, or the like, and the gear reduction assembly 32 may have a variety of structures (such as a common planetary reduction gear set, etc.), and may be specifically disposed according to the use needs of the user. In order to ensure the integral sealing waterproof performance of the underwater propulsion device, a sealing gasket 6 can be arranged at the joint of the box body 31 and the underwater shell 1 for sealing, and an oil seal 7 can be adopted for sealing between the output shaft of the gear reduction box 3 and the box body 31. In addition, the outer peripheral surface of the tank 31 and the outer peripheral surface of the underwater housing 1 are preferably streamlined integrally to reduce water resistance and improve the overall efficiency.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of the above examples is only for aiding in understanding the technical solution of the present utility model and its core ideas; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. An underwater propulsion device of an electric outboard engine, which is characterized in that: comprises an underwater shell, a driving motor, a gear reduction box and a propeller; the gear reduction box is independently arranged relative to the underwater shell and is detachably arranged at the tail end of the underwater shell; the driving motor is arranged in the underwater shell, and an output shaft of the driving motor is in transmission connection with an input shaft of the gear reduction box; the propeller is detachably arranged on the output shaft of the gear reduction box.
2. An electric outboard motor underwater propulsion device as in claim 1, wherein: and an output shaft of the driving motor is in transmission connection with an input shaft of the gear reduction box through a spline.
3. An electric outboard motor underwater propulsion device as in claim 1, wherein: the output shaft of the gear reduction box is provided with threads, and the screw propeller is locked and fixed through a screw cap.
4. An electric outboard motor underwater propulsion device as in claim 1, wherein: the gear reduction box comprises a box body and a gear reduction assembly arranged in the box body; the box body is detachably connected with the underwater shell, and a sealing gasket is arranged at the joint of the box body and the underwater shell.
5. The underwater propulsion device of the electric outboard engine as claimed in claim 4, wherein: and an output shaft of the gear reduction box is sealed with the box body by an oil seal.
6. The underwater propulsion device of the electric outboard engine as claimed in claim 4, wherein: the whole of the outer peripheral surface of the box body and the outer peripheral surface of the underwater shell is streamline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322772419.6U CN220948492U (en) | 2023-10-16 | 2023-10-16 | Underwater propulsion device of electric outboard engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322772419.6U CN220948492U (en) | 2023-10-16 | 2023-10-16 | Underwater propulsion device of electric outboard engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220948492U true CN220948492U (en) | 2024-05-14 |
Family
ID=90982017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322772419.6U Active CN220948492U (en) | 2023-10-16 | 2023-10-16 | Underwater propulsion device of electric outboard engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220948492U (en) |
-
2023
- 2023-10-16 CN CN202322772419.6U patent/CN220948492U/en active Active
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