WO2023159862A1

WO2023159862A1 - Anti-twisting cable for swimming pool cleaning robot

Info

Publication number: WO2023159862A1
Application number: PCT/CN2022/106481
Authority: WO
Inventors: 陈朝民; 李维伟; 王哲
Original assignee: 深圳潜行创新科技有限公司
Priority date: 2022-02-24
Filing date: 2022-07-19
Publication date: 2023-08-31
Also published as: CN217009724U

Abstract

Disclosed is an anti-twisting cable for a swimming pool cleaning robot, said cable comprising a housing, a stator, and a rotor. The stator comprises a stator base and a first PCB. The first PCB is disposed at the bottom part of the stator base. A conductive ejector pin is disposed at the bottom part of the first PCB. A fixed cable is sealedly disposed within the stator base, one end of the fixed cable protrudes from the stator, and the other end of the fixed cable is electrically connected to the conductive ejector pin. The rotor comprises a rotor base, a second PCB and a rotor limiting piece. The second PCB is disposed at the top part of the rotor base. A conductive slideway is disposed at the top part of the second PCB. A connecting piece is sealedly disposed within the rotor base. The rotor limiting piece is sealedly disposed at an end part of the connecting piece. A rotating cable is sealedly disposed within the connecting piece, one end of the rotating cable is electrically connected to the conductive slideway, and the other end of the rotating cable protrudes from the rotor limiting piece. The stator and the rotor are coaxially arranged, and the conductive ejector pin is in contact with the conductive slideway. The housing is penetratingly disposed on an outer side wall of the stator and of the rotor, the housing is sealedly and fixedly connected to the stator, and the housing is sealedly and rotationally connected to the rotor.

Description

Anti-tangle cable for swimming pool cleaning robot

References to related applications

This disclosure claims all the rights and interests of the utility model with the application number 202220379681.7 and the invention name "An Anti-tangle Cable for a Pool Cleaning Robot" submitted to the State Intellectual Property Office of the People's Republic of China on February 24, 2022, and by reference Methods are incorporated in this disclosure in their entirety.

field

The disclosure relates to the technical field of underwater equipment accessories, in particular to an anti-winding cable for a swimming pool cleaning robot.

background

Underwater equipment such as underwater vehicles and swimming pool cleaning robots will walk and turn underwater during use. In order to facilitate communication or power supply, they are usually connected to a repeater, power supply or controller on the shore through a cable. to connect. Because the cable is generally thick and hard, it will be stressed when it is overwound. On the one hand, it will affect the continuous operation of the equipment, and on the other hand, it will affect the service life of the cable itself, which may easily cause the metal core inside the cable to break. Therefore, it is urgent to develop a kind of anti-winding cable for swimming pool cleaning robot.

overview

The purpose of the present disclosure is to provide an anti-tangle cable for a swimming pool cleaning robot, which solves the problem that the existing equipment is prone to excessive entanglement of the cable during underwater operations, which affects its operation and the service life of the cable.

In order to solve the above-mentioned technical problems, the present disclosure adopts the following technical solution: an anti-winding cable for a swimming pool cleaning robot, which is characterized in that it includes a housing, a stator and a rotor, the stator includes a stator base and a first PCB board, and the stator base The bottom of the seat is provided with a first PCB board, the bottom of the first PCB board is provided with a conductive thimble, and a fixed cable is sealed inside the stator base, one end of the fixed cable passes through the stator, and the other end of the fixed cable is electrically connected to the conductive thimble; The rotor includes a rotor base, a second PCB board, and a rotor stopper. The top of the rotor base is provided with a second PCB board. The top of the second PCB board is provided with a conductive slideway. The inside of the rotor base is sealed with a connecting piece. The end of the part is sealed with a rotor limiter, and the inner seal of the connector is equipped with a rotating cable. One end of the rotating cable is electrically connected to the conductive slideway, and the other end of the rotating cable passes through the rotor limiter; the stator and the rotor are coaxially arranged. , the conductive thimble is in contact with the conductive slideway, the casing is pierced on the outer wall of the stator and the rotor, the casing is sealed and fixedly connected with the stator, and the casing is connected with the rotor in a sealed rotation.

In some embodiments, the connection part is filled with filling materials, and the stator base and the fixed cables are sealed by potting glue.

In some embodiments, the rotor limiting member is straight tubular, the top of which extends outwards and bends the limiting claw, the outer wall of the limiting claw is adapted to the inner wall of the casing, and the bottom of the limiting claw presses against the inside of the casing. on the steps of the wall.

In some embodiments, a lip-shaped sealing ring is sleeved on the outer side of the tube wall of the rotor limiting member, two lip-shaped sealing rings are arranged oppositely, and the outer diameter of the lip-shaped sealing ring is adapted to the inner diameter of the housing.

In some embodiments, the housing and the stator base are connected by threads, and an O-ring is provided between the outer wall of the stator base and the inner wall of the housing.

In some embodiments, the rotor base is in the shape of a straight tube with a positioning step at the end, the outer side wall of the positioning step is adapted to the inner side wall of the housing, and the inner side wall of the rotor base protrudes inward to form a convex ring.

In some embodiments, the fixed cables are welded on the first PCB, and then the first PCB is assembled on the stator base and sealed with glue, the rotating cables are welded on the second PCB, and then the second PCB is assembled. Second, after the PCB board is assembled on the rotor base, it is fixed with the rotor limit piece through the auxiliary mold, and then filled with filling material and then fixed. After aligning the conductive thimbles on the first PCB board and the second PCB board with the conductive slideway, assemble the housing from the rotor to the stator until the housing is fixed on the stator and the rotor limiter is pressed against the housing , Set the sealing ring in the assembly gap. After the assembly is completed, after the cable is entangled or rotated, there will be a relative rotation trend between the rotating cable and the fixed cable. When the force on the two reaches the rotation condition, the rotating cable will drive the rotor to rotate in the housing. At the same time, the conductive thimble slides on the conductive slide to ensure that the rotating cable and the fixed cable remain in a conductive state.

In some embodiments, the present disclosure provides an anti-winding cable for a swimming pool cleaning robot with a simple structure. Through the arrangement of the rotor and the stator, the cable is kept in a conductive state through the conductive thimble and the conductive slideway. Rotation solves the problem of cable entanglement or twisting during the operation of underwater equipment, greatly improves the stability and safety of underwater equipment, and also prolongs the service life of the equipment.

Brief description of the drawings

FIG. 1 is a schematic diagram of the internal structure of the present disclosure.

FIG. 2 is a schematic diagram of assembly of the present disclosure.

FIG. 3 is a schematic structural view of a conductive thimble in the present disclosure.

Fig. 4 is a schematic structural diagram of a rotor limiting member in the present disclosure.

FIG. 5 is a schematic diagram of the use state of the present disclosure.

In the figure: 1-shell, 2-stator, 201-stator base, 202-first PCB board, 203-conductive thimble, 3-rotor, 301-rotor base, 302-second PCB board, 303-rotor Limiting piece, 304-conductive slideway, 305-limiting claw, 306-protruding ring, 4-fixed cable, 5-rotating cable, 6-connecting piece, 7-lip seal ring, 8-O type Sealing ring, 9-underwater equipment, 10-control box, 11-sealant.

detail

In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present disclosure, not to limit the present disclosure.

1 and 2 show a kind of anti-winding cable for a swimming pool cleaning robot, including a housing 1, a stator 2 and a rotor 3, and the stator 2 includes a stator base 201 and a first PCB board 202, and the stator base 201 can be Machined parts or injection molded parts are used. For the convenience of assembly, both ends of the stator base 201 are open. The bottom of the stator base 201 is provided with a first PCB board 202. The bottom of the first PCB board 202 is provided with a conductive thimble 203. Inside the stator base 201 The seal is provided with a fixed cable 4 , one end of the fixed cable 4 passes through the stator 2 , and the other end of the fixed cable 4 is electrically connected to the conductive thimble 203 . In order to make the sealing more effective, the assembly gap between the stator base 201 and the fixed cable 4 and the first PCB board is sealed with glue. Among them, the structure of the conductive thimble 203 is shown in Figure 3, including a needle holder, a reed and a contact, the end of the needle holder is fixed on the first PCB board, and a reed is welded in the U-shaped groove of the needle holder, and the reed The other end is soldered with contacts.

The rotor 3 includes a rotor base 301, a second PCB board 302, and a rotor stopper 303. The top of the rotor base 301 is provided with a second PCB board 302, and the top of the second PCB board 302 is provided with a conductive slideway 304. The seat 301 is sealed with a connecting piece 6, the end of the connecting piece 6 is sealed with a rotor stopper 303, and the inside of the connecting piece 6 is sealed with a rotating cable 5, and one end of the rotating cable 5 is electrically connected to the conductive slideway 304, and the rotating The other end of the cable 5 passes through the rotor stopper 303 . In order to make the seal more reliable, the connecting piece 6 is filled with filling material, specifically injection molding material can be used to fill it with a mold, so that the connecting piece 6 has certain hardness and strength, and has a sealing effect on the rotating cable 5 .

After the stator 2 and the rotor 3 are assembled, the stator 2 and the rotor 3 are coaxially arranged, the conductive thimble 203 is in contact with the conductive slideway 304, and then the housing 1 is penetrated on the outer wall of the stator 2 and the rotor 3, and the housing 1 and the stator 2 is sealed and fixedly connected, and the casing 1 is connected with the rotor 3 in a sealed and rotated manner. The housing 1 and the stator 2 can be connected by threads, and the outer side of the stator base 201 can be respectively sealed with axial and radial O-rings 8 .

In order to facilitate the assembly of the rotor, the rotor base 301 can be in the shape of a straight tube, and a positioning step is provided in the end, and the second PCB board 302 is assembled in the positioning step, and the outer side wall of the positioning step is adapted to the inner wall of the housing, so that when the rotor 3 rotates , the positioning step is in contact with the inner wall of the housing to limit its range of rotational movement, so that the conductive stator 203 and the conductive slideway 304 maintain good contact. On the other hand, in order to improve the filling and assembling effect of the connection 6 , a protruding ring 306 may be formed on the inner wall of the rotor base 301 to protrude inward. The protruding ring 306 further fixes the filling material and improves its service life.

In order to make the rotation of the rotor more stable, as shown in FIG. 4 , the rotor limiting member 303 is in the shape of a straight tube, the top of which extends outward and bends the limiting claw 305 , and the outer wall of the limiting claw 305 is compatible with the inner wall of the housing 1 , the bottom of the limit claw 305 presses against the step of the inner wall of the housing 1 . When rotating, in addition to the positioning step of the rotor base 301 in contact with the inner wall of the housing 1, the outer wall of the limiting claw 305 is also in contact with the inner wall of the housing 1, which further limits the rotational range of the rotor 3 and makes the rotation more stable. At the same time, the limit claw 305 also limits the axial movement of the rotor 3 . The seal between the rotor stopper and the housing adopts a lip seal ring 7 sleeved on the outer side of the tube wall of the rotor stopper 303, two lip seal rings 7 are arranged oppositely, and the outer diameter of the lip seal ring 7 is the same as that of the shell Body 1 inner diameter is compatible.

When in use, as shown in Figure 5, the cable connects the underwater equipment 9 and the control box 10. There will be a running tendency of relative rotation in the wire 5 and the fixed cable 4. When the force on the two reaches the rotation condition, the rotating cable 5 will drive the rotor 3 to rotate in the housing 1, and the conductive thimble 203 will move on the conductive slide 304 at the same time. Make sure that the rotating cable 5 and the fixed cable 4 remain conductive.

Although the disclosure has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and implementations can be devised by those skilled in the art which will fall within the scope of the disclosure herein. within the scope and spirit of the principles. More specifically, various modifications and improvements may be made to the component parts and/or layout within the scope of the disclosure, drawings and claims of the present application. In addition to variations and modifications to the component parts and/or layout, other uses will be apparent to those skilled in the art.

Claims

An anti-winding cable for a swimming pool cleaning robot, which includes a housing, a stator and a rotor, the stator includes a stator base and a first PCB board, the bottom of the stator base is provided with a first PCB board, and the bottom of the first PCB board is provided with a conductive The thimble, the stator base is sealed with a fixed cable, one end of the fixed cable passes through the stator, and the other end of the fixed cable is electrically connected to the conductive thimble; the rotor includes a rotor base, a second PCB board, and a rotor limiter. The top of the rotor base is provided with a second PCB board, the top of the second PCB board is provided with a conductive slideway, the inner seal of the rotor base is provided with a connector, the end of the connector is sealed with a rotor limiter, and the inner seal of the connector is provided with a Rotate the cable, one end of the rotating cable is electrically connected to the conductive slideway, and the other end of the rotating cable passes through the rotor limiter; the stator and the rotor are coaxially arranged, the conductive thimble is in contact with the conductive slideway, and the shell is passed through the stator and the rotor On the outer wall, the casing is sealed and fixedly connected with the stator, and the casing is connected with the rotor in a sealed rotation.
The anti-winding cable for a swimming pool cleaning robot according to claim 1, wherein the connecting piece is filled with a filling material, and the stator base and the fixed cable are sealed by potting glue.
The anti-winding cable for a swimming pool cleaning robot according to claim 1 or 2, wherein the rotor limiting member is in the shape of a straight tube, the top of which extends outwards and bends to limit the claws, and the outer wall of the limiting claw is in contact with the inner wall of the housing. Correspondingly, the bottom of the limit claw presses against the step of the inner wall of the housing.
The anti-winding cable for a swimming pool cleaning robot according to any one of claims 1 to 3, wherein a lip-shaped sealing ring is sleeved on the outer side of the tube wall of the rotor limiting member, and two lip-shaped sealing rings are oppositely arranged. One, the outer diameter of the lip seal ring is adapted to the inner diameter of the housing.
The anti-winding cable for a swimming pool cleaning robot according to any one of claims 1 to 4, wherein, the housing and the stator base are screwed together, and the outer wall of the stator base and the inner wall of the housing are arranged With O-ring seals.
The anti-winding cable for a swimming pool cleaning robot according to any one of claims 1 to 5, wherein the rotor base is in the shape of a straight tube, and a positioning step is provided at the end, and the outer side wall of the positioning step is connected to the inner side wall of the housing. Correspondingly, the inner side wall of the rotor base protrudes inward to form a convex ring.