Waterproof motor of water surface cleaning robot

Abstract

The utility model relates to a waterproof motor of a water surface cleaning robot, and belongs to the technical field of cleaning equipment. Comprising a shell, a cavity is formed in the shell, a fixedly-connected stator is arranged in the cavity, a rotatable rotor is arranged on the inner side of the stator, a fixedly-connected shaft core is arranged in the center of the rotor, a fixedly-connected rear end cover is arranged at one end of the shell, bearings are arranged in the other end of the shell and in the center of the rear end cover, and the shaft core is arranged in the bearings in a hinged connection mode. One end of the shaft core extends out of the center of the rear end cover, and a waterproof film layer is arranged at the joint of the inner wall of the cavity, the shell and the rear end cover; according to the scheme, the waterproof film layer is formed by changing a high polymer material into a gas state through a sublimation mode, then converting the gas state into a solid state at normal temperature in a vacuum environment, and adhering the solid state to the inner wall of the cavity, so that the motor achieves a waterproof effect, and the problem that a protection shell needs to be additionally arranged on the outer side of the motor is solved; and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cleaning equipment relates to a waterproof motor of water surface cleaning robot. BACKGROUND

[0002] In order to effectively clean the garbage floating on the water surface, a water surface cleaning robot is born in the prior art, which can float on the water surface, and the robot can move back and forth on the water surface under the drive of the propeller and collect the garbage passing by into the storage basket arranged inside.

[0003] In the structure of the water surface cleaning robot, the driving mechanism as the power source for driving the robot plays an important role on the robot, and is usually composed of a propeller and a motor, the motor controls the rotation of the propeller, and the propeller generates a reaction force in water to push the robot to move forward in water.

[0004] In order to improve the stability of the structure, the output shaft of the motor is usually directly connected with the propeller, therefore, the motor needs to be located underwater for work, but the motor on the water surface cleaning robot in the prior art has poor waterproof ability, and a protective shell needs to be additionally installed on the outside of the motor to achieve the waterproof effect, but this way makes the structure of the driving mechanism complex and increases the production cost. SUMMARY

[0005] The utility model discloses a kind of waterproof motors of water surface cleaning robot for the problems existing in prior art, and the technical problems to be solved by the utility model are: how to improve the waterproof ability of motor.

[0006] The utility model discloses a kind of waterproof motors of water surface cleaning robot, including shell, the shell inside is equipped with chamber, the chamber inside is equipped with fixed stator, the stator inside is equipped with rotatable rotor, the rotor center is equipped with fixed axle core, the shell one end is equipped with fixed rear end cover, the shell other end inside and the center of rear end cover are equipped with bearing, the axle core is hingedly connected and arranged in bearing interior, the axle core one end extends from the center of rear end cover, the chamber inner wall, the junction of shell and rear end cover is equipped with a layer of waterproof membrane layer.

[0007] In the scheme, after the motor starts, the rotor rotates in the inside of the stator under the drive of the magnetic force, the rotating rotor drives the shaft core to rotate together, the shaft core outputs the torque force to the outside of the shell, drives the external connected structure to rotate, in the above mechanism, a waterproof film layer is arranged at the connection between the inside of the chamber, the shell and the rear end cover, the waterproof film layer is formed by sublimation of high molecular material into gas state, then the gas state is converted into solid state in vacuum environment at room temperature, and is attached to the inner wall of the chamber to form a dense and pinhole-free film layer, so that the motor achieves the waterproof effect, therefore, the waterproof motor can be directly placed in water for use, the problem of needing to install a protective shell outside the motor in the prior art is solved, the structure of the driving mechanism is simplified, and the production cost is reduced.

[0008] In the waterproof motor of the water surface cleaning robot, the top of the shell is provided with an integrally connected mounting block, and the outer side of the mounting block is provided with a fixedly connected connecting frame. The mounting block is used for fixedly connecting the connecting frame, so that the bottom of the connecting frame can be stably connected with the shell.

[0009] In the waterproof motor of the water surface cleaning robot, the top of the connecting frame is provided with a fixedly connected robot body, the connecting frame is connected with the tail of the robot body, and one end of the shaft core located on the outside of the shell is provided with a fixedly connected spiral blade. The top of the connecting frame is connected with the robot body, the motor is fixed to the tail of the robot body, the shaft core drives the spiral blade to rotate, and the robot body is pushed to move forward.

[0010] In the waterproof motor of the water surface cleaning robot, the front end of the robot body is provided with an inlet, the inlet of the robot body is provided with a rotating roller brush, and the inside of the robot body is provided with a detachable storage basket. Since the inlet of the front end of the robot body is provided with the rotating roller brush, during the forward movement of the robot body, the garbage at the front end is pushed into the storage basket by the roller brush, and the garbage is collected. When the water surface cleaning is completed, the storage basket is detached from the robot body, and the garbage in the storage basket is cleaned.

[0011] In the waterproof motor of the water surface cleaning robot, the inside of the connecting frame is provided with a channel, the top of the shell is provided with a wiring hole, and the wiring hole is connected with the channel. The line in the inside of the shell is connected from the wiring hole, since the wiring hole is arranged on the inside of the connecting frame and connected with the channel in the connecting frame, the line can be connected with the robot body at the top along the direction of the channel, and the waterproof performance of the inside of the shell is improved.

[0012] In the waterproof motor of the water surface cleaning robot, one end of the stator is provided with a fixedly connected lower wire frame, and the other end is provided with a fixedly connected upper wire frame. The upper wire frame and the lower wire frame are used for winding, and a magnetic field is formed in the stator.

[0013] In the aforementioned waterproof motor for a water surface cleaning robot, two fixed locating rings are provided on the sidewalls of the shaft core. These locating rings are positioned between and adjacent to the two bearings, abutting against the bearings. These locating rings act as position limiters, securing the shaft core within the housing.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. In this solution, a waterproof membrane layer is provided inside the chamber and at the connection between the shell and the rear end cover. The waterproof membrane layer is made by sublimating a polymer material into a gaseous state, and then converting the gaseous state into a solid state at room temperature under a vacuum environment. The membrane layer adheres to the inner wall of the chamber to form a dense, pinhole-free membrane layer, thereby making the motor waterproof. Therefore, the waterproof motor can be directly placed in water for use, solving the problem of the need to install a protective shell on the outside of the motor in the prior art, simplifying the structure of the drive mechanism, and thus reducing production costs.

[0016] 2. In this solution, the wiring inside the shell is connected from the wiring hole. Since the wiring hole is set on the inner side of the connecting frame and is connected to the channel in the connecting frame, the wiring can follow the direction of the channel and connect to the robot body at the top, thereby improving the waterproofness of the inside of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Fig. 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Fig. 2 This is a schematic diagram of the half-section structure of the utility model;

[0019] Fig. 3 It is a schematic diagram of the three-dimensional structure of the practical robot body when viewed from above.

[0020] In the figure, 1, shell; 1a, chamber; 1b, wiring hole; 1c, mounting block; 2, rear end cover; 3, shaft core; 3a, positioning ring; 3b, spiral blade; 4, connecting frame; 4a, channel; 5, bearing; 6, stator; 6a, lower wire rack; 6b, upper wire rack; 7, rotor; 8, waterproof membrane layer; 9, robot body; 9a, inlet; 9b, roller brush; 9c, storage basket. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0022] Example

[0023] like Fig. 1As shown in the water surface cleaning robot waterproof motor, including the housing 1, one end of the housing 1 is provided with a fixed rear cover 2, the housing 1 is provided with a rotatable shaft core 3, one end of the shaft core 3 from the center of the rear cover 2, the top of the housing 1 is provided with a fixed connection frame 4, the inside of the connection frame 4 is provided with a channel 4a.

[0024] As shown in the Fig. 2 The top of the housing 1 is provided with a mounting block 1c, the connection frame 4 is installed on the mounting block 1c, the top of the housing 1 is provided with a wiring hole 1b near the mounting block 1c, the top of the wiring hole is connected with the channel 4a, the inside of the housing 1 is provided with a cavity 1a, the inside of the cavity 1a is provided with a fixed stator 6, one end of the stator 6 is provided with a fixed lower wire frame 6a, the other end is provided with a fixed upper wire frame 6b, the inside of the stator 6 is provided with a rotatable rotor 7, the shaft core 3 is located in the inside of the rotor 7 and is fixed, the inside of the housing 1 and the center of the rear cover 2 is provided with a bearing 5, the shaft core 3 is also inserted in the inside of the bearing 5, the side wall of the shaft core 3 is provided with two fixed position rings 3a, the two position rings 3a are respectively located between the two bearings 5 and close to the position of the bearing 5, the position ring 3a abuts against the bearing 5, a layer of waterproof film 8 is arranged on the inner wall of the cavity 1a, the connection between the housing 1 and the rear cover 2.

[0025] As shown in the Fig. 3 The top of the connection frame 4 is provided with a fixed robot body 9, the connection frame 4 is connected with the tail of the robot body 9, one end of the shaft core 3 located outside the housing 1 is provided with a fixed spiral blade 3b, the front end of the robot body 9 is provided with an inlet 9a, the inlet 9a of the robot body 9 is provided with a rotating roller brush 9b, the inside of the robot body 9 is provided with a detachable storage basket 9c.

[0026] The working principle of the scheme is as follows, as shown in the Figs. 1-3 When the motor starts, the rotor 7 rotates in the inside of the stator 6 under the drive of the magnetic force, the rotating rotor 7 drives the shaft core 3 to rotate, the shaft core 3 outputs torque force to the outside of the housing 1, drives the externally connected spiral blade 3b to rotate, thereby pushing the robot body 9 to move forward, since the inlet 9a of the robot body 9 is provided with a rotating roller brush 9b, in the process of advancing, the garbage at the front end is pushed into the storage basket 9c by the roller brush 9b, which plays a role in collecting garbage, when the water surface cleaning is completed, the storage basket 9c is detached from the robot body 9, and the garbage in the storage basket 9c is cleaned.

[0027] Due to the waterproof film layer 8 arranged at the connection between the shell 1 and the rear end cover 2 inside the chamber 1a, the waterproof film layer 8 is formed by sublimation of high molecular material into gas state, and then the gas state is converted into solid state at room temperature in a vacuum environment and attached to the inner wall of the chamber 1a to form a dense and pinhole-free film layer, so that the motor achieves waterproof effect. Therefore, the waterproof motor can be directly placed in water for use, solving the problem of adding a protective shell outside the motor in the prior art, simplifying the structure of the driving mechanism, and thus reducing the production cost.

[0028] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

[0029] Although the terms such as 1, shell; 1a, chamber; 1b, wiring hole; 1c, mounting block; 2, rear end cover; 3, shaft core; 3a, positioning ring; 3b, spiral blade; 4, connecting frame; 4a, channel; 5, bearing; 6, stator; 6a, lower wire frame; 6b, upper wire frame; 7, rotor; 8, waterproof film layer; 9, robot body; 9a, inlet; 9b, rolling brush; 9c, storage basket, etc. are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A waterproof motor for a water surface cleaning robot, comprising a housing (1), a chamber (1a) provided inside the housing (1), a stator (6) fixedly provided inside the chamber (1a), a rotatable rotor (7) provided inside the stator (6), a shaft core (3) fixedly provided at the center of the rotor (7), characterized in that: One end of the shell (1) is provided with a fixed rear end cover (2), the interior of the other end of the shell (1) and the center of the rear end cover (2) are provided with a bearing (5), the shaft core (3) is hingedly connected and arranged inside the bearing (5), one end of the shaft core (3) extends from the center of the rear end cover (2), and a waterproof film layer (8) is provided at the connection between the inner wall of the chamber (1a) and the shell (1) and the rear end cover (2).

2. The waterproof motor of a water surface cleaning robot according to claim 1, characterized in that: An integrally connected mounting block (1c) is provided on the top of the housing (1), and a fixedly connected connecting frame (4) is provided on the outside of the mounting block (1c).

3. The waterproof motor of a water surface cleaning robot according to claim 2, characterized in that: A fixed robot body (9) is provided on the top of the connecting frame (4), and the connecting frame (4) is connected to the tail of the robot body (9). A fixed spiral blade (3b) is provided at one end of the shaft core (3) located outside the shell (1).

4. The waterproof motor of a water surface cleaning robot according to claim 3, characterized in that: The front end of the robot body (9) is provided with an inlet (9a), a rotating roller brush (9b) is provided at the inlet (9a) of the robot body (9), and a detachable storage basket (9c) is provided inside the robot body (9).

5. The waterproof motor of a water surface cleaning robot according to claim 2, characterized in that: A channel (4a) is provided on the inner side of the connecting frame (4), and a wiring hole (1b) is provided on the top of the shell (1), and the wiring hole (1b) is connected to the channel (4a).

6. The waterproof motor of a water surface cleaning robot according to claim 1, characterized in that: One end of the stator (6) is provided with a fixed lower wire rack (6a), and the other end is provided with a fixed upper wire rack (6b).

7. The waterproof motor of a water surface cleaning robot according to claim 1, characterized in that: Two fixed positioning rings (3a) are provided on the side wall of the shaft core (3). The two positioning rings (3a) are respectively provided between the two bearings (5) and close to the bearings (5). The positioning rings (3a) abut against the bearings (5).

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