Shaftless electric propeller

Abstract

The utility model belongs to the technical field of electric propellers, and particularly relates to a shaftless electric propeller which comprises a shell, an installation assembly is installed in the shell and comprises an installation ring, a square groove is formed in the inner surface of the installation ring, a clamping groove is formed in the inner side face of the square groove, and a containing groove is formed in the clamping groove. A shifting groove is formed in the inner top of the containing groove, a clamping block is arranged in the containing groove, a shifting block is fixedly connected to the upper surface of the clamping block, a mounting bolt is in threaded connection with the interior of the mounting ring, and the lower end of the mounting bolt penetrates through the interior of the mounting ring and is in threaded connection with the interior of the clamping block; the side surface of the mounting block is fixedly connected with a fixed block, and the upper surface of the mounting block is fixedly connected with a paddle. According to the utility model, the blades can be independently replaced, the replacement is convenient, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric propeller technical field, concretely is a kind of shaftless electric propeller. BACKGROUND

[0002] Shaftless electric propeller is mainly composed of motor and small diameter propeller, realizes the direct integration of motor and propeller. Motor converts electrical energy into mechanical energy through frequency converter, and drives propeller to rotate. Due to shaftless design, shaftless electric propeller can rotate 360 °, and provide flexible thrust direction. Shaftless electric propeller has good application prospect in the field of ship propulsion with its lightweight, high efficiency and low noise characteristics.

[0003] In the prior art, the blade and the rotor inside the shaftless electric propeller are usually fixedly connected. When used underwater, the blade is easily damaged by hard objects such as stones due to the complex underwater conditions. When the blade is replaced, the rotor needs to be replaced together, which is inconvenient and increases the cost. SUMMARY

[0004] The utility model discloses a kind of shaftless electric propellers, can be replaced separately to blade, it is convenient to replace, and reduce cost.

[0005] To achieve the above object, the utility model adopts the technical scheme of providing a kind of shaftless electric propeller, including shell, the inside of the shell is installed with installation component, the installation component includes mounting ring, the inner surface of the mounting ring is equipped with square groove, the inner side of the square groove is equipped with clamping groove, the inside of the clamping groove is equipped with accommodating groove, the inner top of the accommodating groove is equipped with slot, the inside of the accommodating groove is provided with clamping block, the upper surface of the clamping block is fixedly connected with the upper end of the slot, the upper end of the slot extends to the inner surface of the mounting ring by the inside of the slot, the inside of the mounting ring is screw-connected with installation bolt, the lower end of the installation bolt extends to the inside of the clamping block by the inside of the mounting ring, the lower end of the installation bolt is screw-connected with the inside of the clamping block, the inside of the square groove is provided with mounting block, the side surface of the mounting block is fixedly connected with fixed block, the upper surface of the fixed block is inlaid with the lower surface of the clamping block, the upper surface of the mounting block is fixedly connected with blade.

[0006] Optionally, the number of square grooves, mounting blocks and blades is multiple, and they are arranged equidistantly along the center of the mounting ring.

[0007] Optionally, the inner surface of the shell is fixedly connected with stator, and the outer surface of the mounting ring is fixedly connected with rotor.

[0008] Optionally, the inner surface of the stator is provided with water-lubricated bearing, and the inner surface of the water-lubricated bearing is inlaid with the outer surface of the rotor.

[0009] Optionally, an outer surface of the shell is provided with an electric wire, one end of the electric wire extends to an inner surface of the shell through an inside of the shell, and the electric wire is electrically connected with the stator.

[0010] Optionally, end faces of the shell are provided with end covers, the number of the end covers is two, surfaces of the end covers are provided with threaded holes, inner bottom surfaces of the threaded holes extend to the inside of the shell through insides of the end covers, and the threaded holes are screw-connected with fixing bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model discloses the installation assembly is provided, needs to replace the paddle, the corresponding installation bolt is screwed down to then, the knob is moved, drives the card block rear shift, retracts the accommodation groove, again takes down the installation block, can take down the damaged paddle and replace the new paddle, when the new fixed block is inserted into the card slot, control knob moves, drives the card block to extend the accommodation groove, and the card block is blocked to the fixed block, and then the installation bolt is screwed on, and the card block is fixed, and the replacement of the paddle is completed. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the description of prior art needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0014] Figure 1 It is the first perspective overall structure schematic view of the utility model;

[0015] Figure 2 It is the second perspective overall structure schematic view of the utility model;

[0016] Figure 3 It is the first perspective cross-sectional structure schematic view of the utility model;

[0017] Figure 4 It is the second perspective cross-sectional structure schematic view of the utility model; Figure 3

[0018] Figure 5 It is the second perspective cross-sectional structure schematic view of the utility model;

[0019] Figure 6 It is the structure schematic view of the utility model after removing the end cover.

[0020] ​In the figure: 1, the shell; 2, mounting assembly; 201, mounting ring; 202, square groove; 203, clamping groove; 204, containing groove; 205, dial groove; 206, clamping block; 207, dial block; 208, mounting bolt; 209, mounting block; 210, fixed block; 211, paddle; 3, stator; 4, rotor; 5, water-lubricated bearing; 6, wire; 7, end cover; 8, threaded hole; 9, fixing bolt. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved more clearly, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0022] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0025] Now a shaftless electric propeller provided by the utility model embodiment will be described. Please refer to Figures 1 to 6A shaftless electric propeller, comprising a shell 1, an installation assembly 2 is installed in the shell 1, the installation assembly 2 comprises an installation ring 201, a square groove 202 is formed in the inner surface of the installation ring 201, a clamping groove 203 is formed in the inner side of the square groove 202, a containing groove 204 is formed in the inside of the clamping groove 203, a pushing groove 205 is formed in the inner top of the containing groove 204, a clamping block 206 is arranged in the inside of the containing groove 204, a pushing block 207 is fixedly connected to the upper surface of the clamping block 206, the upper end of the pushing block 207 extends to the inner surface of the installation ring 201 through the inside of the pushing groove 205, an installation bolt 208 is screw-connected to the inside of the installation ring 201, the lower end of the installation bolt 208 extends to the inside of the clamping block 206, the lower end of the installation bolt 208 is screw-connected with the inside of the clamping block 206, an installation block 209 is arranged in the inside of the square groove 202, a fixed block 210 is fixedly connected to the side surface of the installation block 209, the upper surface of the fixed block 210 is in abutment with the lower surface of the clamping block 206, a paddle 211 is fixedly connected to the upper surface of the installation block 209, two clamping grooves 203, containing grooves 204, pushing grooves 205, clamping blocks 206, pushing blocks 207, installation bolts 208 and fixed blocks 210 are arranged on the left and right sides of each paddle 211, so that the left and right sides of the installation block 209 can be limited, and the paddle 211 can be stably installed, the number of the square grooves 202, the installation blocks 209 and the paddles 211 is multiple, and they are arranged in a circle equidistantly along the center of the installation ring 201, when the paddle 211 needs to be replaced, the corresponding installation bolt 208 is unscrewed, then the pushing block 207 is pushed, the clamping block 206 is driven to move backward and is retracted into the containing groove 204, the installation block 209 is taken off, the damaged paddle 211 can be taken off and replaced with a new one, when the new fixed block 210 is clamped into the clamping groove 203, the pushing block 207 is controlled to move, the clamping block 206 is driven to extend out of the containing groove 204, the clamping block 206 blocks the fixed block 210, the installation bolt 208 is screwed, the clamping block 206 is fixed, and the replacement of the paddle 211 is completed.

[0026] In the embodiment of the utility model, please refer to Figures 1 to 6 The inner surface of the shell 1 is fixedly connected with a stator 3, the outer surface of the installation ring 201 is fixedly connected with a rotor 4, the inner surface of the stator 3 is provided with a water lubrication bearing 5, the inner surface of the water lubrication bearing 5 is in abutment with the outer surface of the rotor 4, the water lubrication bearing 5 supports the rotation of the rotor 4, the outer surface of the shell 1 is provided with an electric wire 6, one end of the electric wire 6 extends to the inner surface of the shell 1 through the inside of the shell 1, the electric wire 6 is electrically connected with the stator 3, the electric wire 6 can connect the current to the stator 3, an electromagnetic field is formed in the stator 3, so that the rotor 4 drives the installation ring 201 to rotate, and the paddle 211 rotates, thereby working.

[0027] In the embodiment of the utility model, please refer to Figures 1 to 6The end surface of the shell 1 is provided with end covers 7, the number of the end covers 7 is two, the surface of the end cover 7 is provided with threaded holes 8, the inner bottom surface of the threaded hole 8 extends to the inside of the shell 1 through the inside of the end cover 7, the number of the threaded holes 8 is multiple, the inside of the threaded hole 8 is screw-connected with fixing bolts 9, by installing the fixing bolts 9 in the threaded holes 8, the two end covers 7 can be installed and fixed, thereby limiting the components inside the shell 1, facilitating the rotation of the internal rotor 4.

[0028] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A shaftless electric propulsor comprising a housing (1), characterized in that: The inside of the shell (1) is provided with a mounting assembly (2), the mounting assembly (2) comprises a mounting ring (201), the inner surface of the mounting ring (201) is provided with a square groove (202), the inner side of the square groove (202) is provided with a clamping groove (203), the inside of the clamping groove (203) is provided with a containing groove (204), the inner top of the containing groove (204) is provided with a pulling groove (205), the inside of the containing groove (204) is provided with a clamping block (206), the upper surface of the clamping block (206) is fixedly connected with a pulling block (207), the upper end of the pulling block (207) extends to the inner surface of the mounting ring (201) through the inside of the pulling groove (205), the inside of the mounting ring (201) is threadedly connected with a mounting bolt (208), the lower end of the mounting bolt (208) extends to the inside of the clamping block (206) through the inside of the mounting ring (201), the lower end of the mounting bolt (208) is threadedly connected with the inside of the clamping block (206), the inside of the square groove (202) is provided with a mounting block (209), the side surface of the mounting block (209) is fixedly connected with a fixed block (210), the upper surface of the fixed block (210) is fitted with the lower surface of the clamping block (206), the upper surface of the mounting block (209) is fixedly connected with a paddle (211).

2. An axle-less electric propulsor as claimed in claim 1, characterized in that: The number of square grooves (202), mounting blocks (209) and paddles (211) is multiple, and they are arranged equidistantly along the center of the mounting ring (201).

3. An axle-less electric propulsor as claimed in claim 1, characterized in that: The inner surface of the shell (1) is fixedly connected with a stator (3), and the outer surface of the mounting ring (201) is fixedly connected with a rotor (4).

4. An axle-less electric propulsor as claimed in claim 3, characterized in that: The inner surface of the stator (3) is provided with a water lubricated bearing (5), and the inner surface of the water lubricated bearing (5) is fitted with the outer surface of the rotor (4).

5. An axle-less electric propulsor as claimed in claim 1, characterized in that: The outer surface of the shell (1) is provided with an electric wire (6), one end of the electric wire (6) extends to the inner surface of the shell (1) through the inside of the shell (1), and the electric wire (6) is electrically connected with the stator (3).

6. An axle-less electric propulsor as claimed in claim 1, characterized in that: The end surface of the shell (1) is provided with an end cover (7), the number of the end cover (7) is two, the surface of the end cover (7) is provided with a threaded hole (8), the inner bottom surface of the threaded hole (8) extends to the inside of the shell (1) through the inside of the end cover (7), and the inside of the threaded hole (8) is threadedly connected with a fixed bolt (9).

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