WO2023060670A1 - 一种电动推进器 - Google Patents

一种电动推进器 Download PDF

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Publication number
WO2023060670A1
WO2023060670A1 PCT/CN2021/128371 CN2021128371W WO2023060670A1 WO 2023060670 A1 WO2023060670 A1 WO 2023060670A1 CN 2021128371 W CN2021128371 W CN 2021128371W WO 2023060670 A1 WO2023060670 A1 WO 2023060670A1
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Prior art keywords
motor
casing
propeller
trimmer
electric propeller
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PCT/CN2021/128371
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English (en)
French (fr)
Inventor
邵建锋
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邵建锋
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Publication of WO2023060670A1 publication Critical patent/WO2023060670A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
    • B63H2021/307—Arrangements, or mountings of propulsion power plant elements in modular propulsion power units, e.g. using containers

Definitions

  • the invention relates to the technical field of propellers, in particular to an electric propeller.
  • An electric propulsion unit is a powered propulsion device that can be mounted, for example, on the bottom of a sailboat, water ski, etc., to provide forward propulsion power.
  • a powered propulsion device that can be mounted, for example, on the bottom of a sailboat, water ski, etc., to provide forward propulsion power.
  • the technical problem to be solved by the invention is to provide an electric propeller with less fluid resistance in view of the current state of the art.
  • an electric propeller which is characterized in that it includes a sheet-shaped upper casing and a lower casing, a motor casing arranged between the upper and lower casings, and a The motor in the motor housing and the propeller arranged on one side of the motor housing;
  • the upper and lower housings are arranged vertically one above the other, and the upper and lower housings are connected as a whole through the motor housing;
  • the propeller is driven and connected with the output shaft of the motor so as to be able to rotate.
  • the shape of the motor casing can be various.
  • the axis of the motor casing is parallel to the width direction of the upper and lower sheets of the casing.
  • the head of the motor casing is bullet-shaped and faces forward. the rear side of the tail. In this way, the overall structure of the electric propeller is more reasonable.
  • the front edges of the upper casing and the lower casing are inclined backward, and the upper and lower casings are fin-shaped as a whole. In this way, the water flow resistance suffered by the upper casing and the lower casing is relatively small.
  • the middle outer wall of the motor housing has a stepped portion
  • the thickness of the upper case gradually decreases from the middle position to the front, and the front wall of the upper case transitions smoothly. In this way, the water flow resistance suffered by the upper casing and the motor casing is relatively small.
  • a deviation trimmer is provided at the rear edge of the lower housing, and the deviation trimmer can swing relative to the lower housing along its thickness direction .
  • the lower housing extends a connecting plate to the rear side, and the deviation trimmer is fixed on the connecting board by screws extending up and down.
  • the screw When installing, first loosen the screw, manually move the deviation trimmer to the desired position, and then tighten the screw to fix the position of the deviation trimmer relative to the connecting plate.
  • the front part of the deviation trimmer has a slot mated with the rear end of the connecting plate, and the groove bottom of the slot and the rear end of the connecting plate All are arc-shaped.
  • the tail of the deviation trimmer gradually extends from front to back toward the axis away from the motor housing. In this way, the water flow resistance suffered by the deviation trimmer can be reduced.
  • the electric propeller further includes a protective cover arranged on the periphery of the propeller, the protective cover is respectively connected to the rear side of the upper casing and the rear side of the lower casing, and the protective cover penetrates in the front-rear direction. In this way, the sundries in the water flow are not easy to enter into the protective cover and interfere with the rotation of the propeller.
  • the rear side of the propeller is provided with a connecting body exposed to the protective cover, and the connecting body has a bullet-shaped tail.
  • the connecting body has a bullet-shaped tail, which can reduce the water flow resistance of the connecting body.
  • the bottom of the lower housing is provided with a base, and the base has a slot for plugging and matching with the bottom of the external sailing boat or the external water skiing board .
  • a circuit board electrically connected to the motor is arranged in the lower casing, and a wire hole connecting the two up and down is opened between the lower casing and the motor casing, and the connection between the motor and the circuit board is They are electrically connected by wires passing through the wire holes. In this way, the operation of the motor can be controlled through the circuit board, and the space in the lower casing can also be fully utilized.
  • the present invention has the advantages of: by setting the motor and the propeller, the motor drives the propeller to rotate, the propeller acts on the water flow, and the water flow reacts on the electric propeller to give the electric propeller a forward thrust, thereby electric propulsion
  • the upper shell and the lower shell are sheet-shaped, so that the electric propeller is subjected to less fluid resistance; the electric propeller has a simple and reasonable structure and is easy to produce; the design of the present invention can be applied to various SUP propellers on the market Board, fish fin built-in integrated circuit board and frequency conversion motor.
  • Fig. 1 is a three-dimensional schematic diagram of an electric propeller according to Embodiment 1 of the present invention
  • Fig. 2 is a schematic diagram of the assembly of the upper casing, part of the motor casing, and part of the lower casing in Embodiment 1 of the present invention
  • Fig. 3 is an assembly diagram of another angle of the upper casing, part of the motor casing, and part of the lower casing in Embodiment 1 of the present invention
  • Fig. 4 is a schematic diagram of the assembly of the upper casing, part of the motor casing, the lower casing, the propeller, and the connecting body in Embodiment 1 of the present invention
  • Fig. 5 is a bottom view of the electric propeller according to Embodiment 1 of the present invention.
  • Fig. 6 is an exploded view of the electric propeller according to Embodiment 1 of the present invention.
  • Fig. 7 is a three-dimensional schematic diagram of an electric propeller according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic perspective view of the deviation trimmer in FIG. 7 .
  • the electric propeller comprises a sheet-shaped upper casing 1 and a lower casing 3, a motor casing 2 arranged between the upper and lower casings 1, 3, a motor 4 arranged in the motor casing 2, and a motor 4 arranged in the motor casing.
  • the propeller 5 on one side of the shell 2 also includes a protective cover 7 , a connecting body 8 and a base 100 .
  • the upper and lower housings 1, 3 are arranged vertically one above the other, and the upper and lower housings 1, 3 are connected as a whole through the motor housing 2.
  • the front edges of the upper casing 1 and the lower casing 3 are inclined backward, and the upper and lower casings 1 and 3 are in the shape of fish fins as a whole, so that the upper casing 1 and the lower casing 3 are subjected to less resistance to water flow.
  • the thickness of the upper case 1 gradually decreases from the middle position forward, that is, the front side of the upper case 1 is thinner and the middle part is thicker, and the front outer wall of the upper case 1 transitions smoothly, that is, the upper
  • the front outer wall of the housing 1 is relatively smooth.
  • the surface of the lower casing 3 has a plurality of ribs 33 extending forward and backward, and all the ribs 33 are arranged at intervals in the vertical direction.
  • the motor housing 2 is generally in the shape of an oval.
  • the outer wall of the middle part of the motor case 2 has a stepped portion 23 in the front-back direction; in the thickness direction, the middle part of the motor case 2 protrudes from the upper case 1 and the lower case 3 .
  • the axis of the motor casing 2 is parallel to the width direction of the upper and lower casings 1 and 3 of the sheet, and the head of the motor casing 2 is bullet-shaped and faces forward.
  • the motor casing 2 includes a front half case 21 and a rear half case 22 that can be sealed and matched with each other, so that the sealing performance is better, that is, the front half case 21 is bullet-shaped, and the front half case 21 and the lower half case are in the shape of a bullet.
  • the housing 3 is clamped.
  • the motor 4 is a waterproof motor, so that when water enters the motor housing 2, the motor 4 can still operate normally.
  • the propeller 5 is connected to the output shaft of the motor 4 through a drive shaft so as to be able to rotate.
  • the propeller 5 is positioned at the rear side of the motor casing 2 afterbody.
  • the protective cover 7 is arranged on the outer periphery of the propeller 5, and the protective cover 7 is respectively connected to the rear side of the upper casing 1 and the rear side of the lower casing 3, specifically snap fit, and the protective cover 7 penetrates in the front-rear direction.
  • the protective cover 7 is plug-fitted with the rear side of the upper casing 1 and the rear side of the lower casing 3 respectively, which facilitates the disassembly and assembly of the protective cover 7 .
  • the connecting body 8 is arranged on the rear side of the propeller 5 and is exposed to the protective cover 7.
  • the connecting body 8 has a bullet-shaped tail, so that the water flow resistance is small.
  • the circuit board 9 is arranged in the lower casing 3 and is electrically connected with the motor 4, and there are two upper and lower communication holes between the lower casing 3 and the motor casing 2.
  • the wire hole 32 ( FIG. 4 ) of the other, the motor 4 and the circuit board 9 are electrically connected by a wire (not shown) passing through the wire hole 32 .
  • the lower housing 3 is also provided with a heat dissipation aluminum sheet 600 attached to the circuit board 9 and a heat conduction silica gel 500 connected to the heat dissipation aluminum sheet 600.
  • the circuit board 9 is convenient for heat dissipation.
  • the circuit board 9 is connected to the connector 400 through the connection line 300 , and the data is exported out through the connector 400 .
  • the base 100 is arranged at the bottom of the lower casing 3.
  • the base 100 is engaged with the lower casing 3, and the base 100 has a slot 101 for plugging and matching with the bottom of an external sailboat or an external water skateboard (Figure 5).
  • the base 100 includes a connected first seat body 102 and a second seat body 103, the positions of the first seat body 102 and the second seat body 103 can be interchanged, so that it can adapt to various SUP paddles on the market.
  • the socket 101 on the base 100 is mated with the external sailing boat or the external water skiing board, so that the electric propeller is installed on the external sailing boat or the external water skiing board.
  • the motor 4 drives the propeller 5 to rotate, the propeller 5 acts on the water flow, and the water flow reacts on the electric propeller so as to give the electric propeller a forward thrust.
  • the upper case 1 and the lower case 3 are sheet-shaped, and the front sides of the upper and lower cases 1, 3 are thinner, the head of the motor case 2 is bullet-shaped, and the surface of the lower case 3 has multiple strips extending forward and backward. Rib 33, the water flow resistance that electric propeller is subjected to is less like this.
  • the electric propeller has a simple structure and is easy to produce.
  • the structure of the electric propeller in embodiment 2 is basically the same as that in embodiment 1, the difference is that a deviation trimmer 6 is added, and the deviation trimmer 6 can swing relative to the lower casing 3 along its thickness direction.
  • the deviation trimmer 6 is arranged on the rear side edge of the lower casing 3 .
  • a connecting plate 31 extends from the lower shell 3 to the rear side, and the deviation trimmer 6 is fixed on the connecting plate 31 by screws 200 extending up and down.
  • the front part of the deviation trimmer 6 has a slot 61 mated with the connecting plate 31 , the groove bottom of the slot 61 and the rear end of the connecting plate 31 are both arc-shaped.
  • the tail of the deviation trimmer 6 extends from front to back gradually toward the axis direction away from the motor housing 2. Specifically, the upper edge 62 of the tail of the deviation trimmer 6 extends upwards, then downwards, and then upwards from front to back. The lower edge 63 of the tail portion of the trimmer 6 extends downwards and then upwards from the front to the rear.
  • the principle and use process of the electric propeller of this embodiment are basically the same as that of Embodiment 1, the difference is that: when installing, align the slot 61 of the deviation trimmer 6 with the connecting plate 31 of the lower casing 3, and then align the deviation The trimmer 6 is toggled to a suitable position, and then the screw 200 is tightened.

Abstract

一种电动推进器，包括呈片状的上壳体（1）和下壳体（3）、设置在上下壳体（1、3）之间的电机壳（2）、设置在电机壳（2）内的电机（4）、设置在电机壳（2）一侧的螺旋桨（5）；上、下壳体（1、3）一上一下竖直设置，上、下壳体（1、3）通过电机壳（2）连为一体；螺旋桨（5）与电机（4）的输出轴传动连接而能转动。该电动推进器受到的流体阻力较小。

Description

一种电动推进器 技术领域
本发明涉及推进器技术领域，具体涉及一种电动推进器。
背景技术
电动推进器是一种动力推进装置，例如，可以安装在帆船、水上滑板等装置的底部，用于提供向前推进的动力。随着生活水平的提高，人们对于电动推进器的要求越来越高，例如对流体阻力等方面提出了新的要求。
因此，为满足市场需要，有必要设计一款新型的电动推进器。
发明内容
本发明所要解决的技术问题是针对现有技术的现状，提供一种流体阻力较小的电动推进器。
本发明解决上述技术问题所采用的技术方案为：一种电动推进器，其特征在于：包括呈片状的上壳体和下壳体、设置在上下壳体之间的电机壳、设置在电机壳内的电机、设置在电机壳一侧的螺旋桨；
其中，上、下壳体一上一下竖直设置，上、下壳体通过电机壳连为一体；
螺旋桨与电机的输出轴传动连接而能转动。
电机壳的形状可以有多种，优选地，所述电机壳的轴线与片状的上下壳体宽度方向平行，电机壳的头部为子弹头形而朝前方，螺旋桨位于电机壳尾部的后侧。这样，电动推进器的整体结构比较合理。
为了进一步减小阻力，优选地，所述上壳体和下壳体的前侧边缘向后倾斜，上、下壳体整体呈鱼鳍状。这样上壳体和下壳体受到的水流阻力较小。
为了进一步减小阻力，优选地，在前后方向上，电机壳的中部外壁具有台阶部；
优选地，在前后方向上，所述上壳体的厚度自中间位置朝前逐渐减小，所述上壳体的前部壳壁平滑过渡。这样，上壳体和电机壳受到的水流阻力较小。
为了在电动推进器跑偏时可以有效地调节角度，优选地，所述下壳体的后侧边缘位置还设置有跑偏微调器，该跑偏微调器能相对下壳体沿其厚度方向摆动。
跑偏微调器与下壳体的安装方式可以有多种，优选地，所述下壳体向后侧延伸出有一连接板，所述跑偏微调器通过上下延伸的螺丝固定在连接板上。安装时，先松开螺丝，手动将跑偏微调器拨动到需要的位置，然后拧紧螺丝，使跑偏微调器相对连接板的位置 得以固定。
为了方便安装跑偏微调器时进行定位，优选地，所述跑偏微调器的前部具有与所述连接板的后端插配的插槽，该插槽的槽底和连接板的后端均呈弧形。通过设置插槽，安装时，跑偏微调器先与连接板插接，这样便于定位，再将跑偏微调器与连接板通过螺丝固定。
为了减小水流阻力，优选地，所述跑偏微调器的尾部自前往后逐渐朝远离电机壳的轴线方向延伸。如此，可以减小跑偏微调器受到的水流阻力。
为了保护螺旋桨，优选地，电动推进器还包括设置在螺旋桨外周的保护罩，该保护罩分别与上壳体的后侧和下壳体的后侧相连，并且保护罩在前后方向上贯通。这样水流中的杂物不容易进入保护罩内而干扰螺旋桨的转动。
为了减小阻力，优选地，所述螺旋桨的后侧设置有外露于保护罩的连接体，该连接体具有子弹形的尾部。通过设置连接体，连接体具有子弹形的尾部，这样可以减小连接体受到的水流阻力。
为了便于将电动推进器安装到外部帆船或外部水上滑板上，优选地，所述下壳体的底部设置有底座，该底座具有用于与外部帆船或外部水上滑板的底部插接配合的插槽。通过设置插槽，方便将电动推进器与外部帆船或外部水上滑板相连。
为了控制电机的运行，优选地，所述下壳体内设置与电机电连接的电路板，下壳体与电机壳之间开有上下连通两者的过线孔，所述电机和电路板之间通过穿过该过线孔的导线相电连接。这样，可以通过电路板控制电机的运行，也能充分利用下壳体内的空间。
与现有技术相比，本发明的优点在于：通过设置电机和螺旋桨等，电机驱动螺旋桨转动，螺旋桨作用于水流，水流反作用于电动推进器而给电动推进器一个朝前的推力，从而电动推进器向前；上壳体和下壳体呈片状，这样电动推进器受到的流体阻力较小；电动推进器结构简单、合理，易于生产；本发明的设计可适用于市面上多款SUP桨板、鱼鳍内置一体化线路板及变频电机。
附图说明
图1为本发明实施例一的电动推进器的立体示意图；
图2为本发明实施例一中上壳体、部分电机壳、部分下壳体的装配示意图；
图3为本发明实施例一中上壳体、部分电机壳、部分下壳体的另一角度的装配示意图；
图4为本发明实施例一中上壳体、部分电机壳、下壳体、螺旋桨、连接体的装配示意图；
图5为本发明实施例一的电动推进器的仰视图；
图6为本发明实施例一的电动推进器的分解图；
图7为本发明实施例二的电动推进器的立体示意图；
图8为图7中跑偏微调器的立体示意图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
如图1～图6所示，为本发明的电动推进器的一个优选实施例。
该电动推进器包括呈片状的上壳体1和下壳体3、设置在上下壳体1,3之间的电机壳2、设置在电机壳2内的电机4、设置在电机壳2一侧的螺旋桨5、还包括保护罩7、连接体8、底座100。
其中，上、下壳体1,3一上一下竖直设置，上、下壳体1,3通过电机壳2连为一体。上壳体1和下壳体3的前侧边缘向后倾斜，上、下壳体1,3整体呈鱼鳍状，这样上壳体1和下壳体3受到的水流的阻力较小。在前后方向上，上壳体1的厚度自中间位置朝前逐渐减小，也就是上壳体1的前侧较薄而中部较厚，上壳体1的前部外壁平滑过渡，也就是上壳体1的前部外壁比较光滑。下壳体3的表面具有前后延伸的多条凸筋33，所有凸筋33在上下方向上间隔排列。
电机壳2大体呈鹅蛋形。电机壳2的中部外壁具有在前后方向上呈阶梯状的台阶部23；在厚度方向上，电机壳2的中部外凸于上壳体1和下壳体3。电机壳2的轴线与片状的上下壳体1,3宽度方向平行，电机壳2的头部为子弹头形而朝前方。为了便于安装电机4，电机壳2包括能相互密封配合的前半壳体21和后半壳体22，这样密封性较好，也就是前半壳体21呈子弹头形，前半壳体21与下壳体3卡接。
优选地，电机4采用防水电机，这样当电机壳2内进水时，电机4仍可以正常运行。
螺旋桨5与电机4的输出轴之间通过传动轴传动连接而能转动。螺旋桨5位于电机壳2尾部的后侧。
保护罩7设置在螺旋桨5外周，保护罩7分别与上壳体1的后侧和下壳体3的后侧相连，具体是卡接配合，并且保护罩7在前后方向上贯通。保护罩7分别与上壳体1的后侧和下壳体3的后侧插接配合，这样便于保护罩7的拆装。
连接体8设置在螺旋桨5的后侧且外露于保护罩7，该连接体8具有子弹形的尾部，这样水流阻力较小。
为了充分利用下壳体3内的空间，参见图2、图3，电路板9设置在下壳体3内且与电机4电连接，下壳体3与电机壳2之间开有上下连通两者的过线孔32(图4)，电机4和电路板9之间通过穿过该过线孔32的导线(图中未示出)相电连接。下壳体3内还设置有与电路板9相贴合的散热铝片600、与散热铝片600相连的导热硅胶500，通过设置散热铝片100和导热硅胶500，便于电路板9散热。为了导出数据，电路板9通过连接线300与接插件400相连，通过接插件400往外导出数据。
底座100设置在下壳体3的底部，优选地，为了便于拆装，底座100与下壳体3卡接，该底座100具有用于与外部帆船或外部水上滑板的底部插接配合的插槽101(图5)。优选地，底座100包括相连的第一座体102和第二座体103，第一座体102和第二座体103的位置可以互换，这样可以适应市场上的各种SUP桨板。
该电动推进器的原理和使用过程如下。
将底座100上的插槽101与外部帆船或外部水上滑板插接配合，这样将电动推进器安装到了外部帆船或外部水上滑板上。电机4驱动螺旋桨5转动，螺旋桨5作用于水流，水流反作用于电动推进器从而给电动推进器一个朝前的推力。因为上壳体1和下壳体3呈片状，并且上下壳体1,3的前侧较薄，电机壳2的头部呈子弹形，下壳体3的表面具有前后延伸的多条凸筋33，这样电动推进器受到的水流阻力较小。该电动推进器结构简单，易于生产。
实施例2：
如图7～图8所示，为本发明的电动推进器的另一个优选实施例。
本实施例2电动推进器的结构与实施例1电动推进器的结构基本相同，区别在于：增加了跑偏微调器6，该跑偏微调器6能相对下壳体3沿其厚度方向摆动。该跑偏微调器6设置在下壳体3的后侧边缘位置。具体地，下壳体3向后侧延伸出有一连接板31，跑偏微调器6通过上下延伸的螺丝200固定在连接板31上。为了便于安装时定位，跑偏微调器6的前部具有与连接板31插配的插槽61，该插槽61的槽底和连接板31的后端均呈弧形。跑偏微调器6的尾部自前往后逐渐朝远离电机壳2的轴线方向延伸，具体地，跑偏微调器6的尾部的上边缘62自前往后先向上再向下再向上延伸，跑偏微调器6的尾部的下边缘63自前往后先向下再向上延伸。
本实施例的电动推进器的原理和使用过程与实施例1基本相同，区别在于：安装时，将跑偏微调器6的插槽61对准下壳体3的连接板31，然后将跑偏微调器6拨动到合适的位置，再拧紧螺丝200。
当电动推进器跑偏时，将螺丝200拧松，再手动将跑偏微调器6拨动到合适的位置，然后拧紧螺丝200。
在本发明的说明书及权利要求书中使用了表示方向的术语，诸如“前”、“后”、“上”、“下”、“左”、“右”、“侧”、“顶”、“底”等，用来描述本发明的各种示例结构部分和元件，但是在此使用这些术语只是为了方便说明的目的，是基于附图中显示的示例方位而确定的。由于本发明所公开的实施例可以按照不同的方向设置，所以这些表示方向的术语只是作为说明而不应视作为限制，比如“上”、“下”并不一定被限定为与重力方向相反或一致的方向。

Claims (11)

  1. 一种电动推进器，其特征在于：包括呈片状的上壳体(1)和下壳体(3)、设置在上下壳体(1,3)之间的电机壳(2)、设置在电机壳(2)内的电机(4)、设置在电机壳(2)一侧的螺旋桨(5)；
    其中，上、下壳体(1,3)一上一下竖直设置，上、下壳体(1,3)通过电机壳(2)连为一体；
    螺旋桨(5)与电机(4)的输出轴传动连接而能转动。
  2. 根据权利要求1所述的电动推进器，其特征在于：所述电机壳(2)的轴线与片状的上下壳体(1,3)宽度方向平行，电机壳(2)的头部为子弹头形而朝前方，螺旋桨(5)位于电机壳(2)尾部的后侧。
  3. 根据权利要求1所述的电动推进器，其特征在于：所述上壳体(1)和下壳体(3)的前侧边缘向后倾斜，上、下壳体(1,3)整体呈鱼鳍状。
  4. 根据权利要求1所述的电动推进器，其特征在于：所述电机壳(2)的中部外壁具有在前后方向上呈阶梯状的台阶部(23)；
    在前后方向上，所述上壳体(1)的厚度自中间位置朝前逐渐减小，所述上壳体(1)的前部外壁平滑过渡。
  5. 根据权利要求1所述的电动推进器，其特征在于：所述下壳体(3)的后侧边缘位置还设置有跑偏微调器(6)，该跑偏微调器(6)能相对下壳体(3)沿其厚度方向摆动。
  6. 根据权利要求5所述的电动推进器，其特征在于：所述下壳体(3)向后侧延伸出有一连接板(31)，所述跑偏微调器(6)通过上下延伸的螺丝(200)固定在连接板(31)上。
  7. 根据权利要求6所述的电动推动器，其特征在于：所述跑偏微调器(6)的前部具有与所述连接板(31)的后端插配的插槽(61)，该插槽(61)的槽底和连接板(31)的后端均呈弧形。
  8. 根据权利要求5所述的电动推进器，其特征在于：所述跑偏微调器(6)的尾部自前往后逐渐朝远离电机壳(2)的轴线方向延伸。
  9. 根据权利要求1～8中任一项所述的电动推进器，其特征在于：还包括设置在螺旋桨(5)外周的保护罩(7)，该保护罩(7)分别与上壳体(1)的后侧和下壳体(3)的后侧相连，并且保护罩(7)在前后方向上贯通；所述螺旋桨(5)的后侧设置有外露于保护罩(7)的连接体(8)，该连接体(8)具有子弹形的尾部。
  10. 根据权利要求1～8中任一项所述的电动推进器，其特征在于：所述下壳体(3)的底部设置有底座(100)，该底座(100)具有用于与外部帆船或外部水上滑板的底部插接配合的插槽(101)。
  11. 根据权利要求1～8中任一项所述的电动推进器，其特征在于：所述下壳体(3)内设置与电机(4)电连接的电路板(9)，所述下壳体(3)与电机壳(2)之间开有上下连通两者的过线孔(32)，所述电机(4)和电路板(9)之间通过穿过该过线孔(32)的导线相电连接。
PCT/CN2021/128371 2021-10-14 2021-11-03 一种电动推进器 WO2023060670A1 (zh)

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