CN214712302U

CN214712302U - Slip ring device and window cleaning robot

Info

Publication number: CN214712302U
Application number: CN202023000009.2U
Authority: CN
Inventors: 于靓
Original assignee: Individual
Current assignee: Qin'gengyun Intelligent Technology Shenzhen Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-16
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a slip ring device, which is used for being matched with a window cleaning robot and comprises a power line; the first conductive piece is fixedly arranged at the end part of the power line close to the window cleaning robot and is electrically connected with the power line; when the second conductive piece and the first conductive piece are mutually spliced, the second conductive piece can rotate around the first conductive piece and is always electrically connected with the first conductive piece, and the slip ring device can enable a wire rod with a power line and a safety line to correspondingly rotate along with the rotation of a machine, so that the wire rod is prevented from being wound; meanwhile, the resistance of the window cleaning robot during walking is reduced, and the problem that the window cleaning robot falls off due to winding of the wire is thoroughly solved, so that the safety of the window cleaning robot is effectively protected. The utility model also provides an use window cleaning robot of this sliding ring device.

Description

Slip ring device and window cleaning robot

Technical Field

The utility model relates to a sliding ring device and window cleaning robot.

Background

With the advancement of science and technology, a window wiping robot for cleaning the outer glass wall of a large office building is introduced.

The window cleaning robot in the prior art basically adopts a power supply mode with a power line, and meanwhile, in order to prevent the window cleaning robot from falling from a high place and endangering safety, the window cleaning robot is matched with a safety rope, and the length of the safety rope and the length of the power line are generally set to be 4-6 meters. In practical use, the safety rope and the power line are often intertwined with each other, which affects the working effect of the machine.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above technical problems to some extent or to at least provide a useful commercial choice. Therefore, the utility model aims to provide a slip ring device, the slip ring device is used for being matched with the window cleaning robot, the slip ring device can make the wire rod of the power line and the safety line correspondingly rotate along with the rotation of the window cleaning robot, thereby avoiding the winding of the wire rod; meanwhile, the resistance of the window cleaning robot during walking is reduced, and the problem that the window cleaning robot falls off due to winding of the wire is thoroughly solved, so that the safety of the window cleaning robot is effectively protected. Another object of the utility model is to provide an use window cleaning robot of this sliding ring device.

According to the utility model discloses a slip ring device, the slip ring device is used for being adapted with the window cleaning robot, including the power cord; the first conductive piece is fixedly arranged at the end part of the power line close to the window cleaning robot and is electrically connected with the power line; and when the second conductive piece is mutually spliced with the first conductive piece, the second conductive piece can rotate around the first conductive piece and is always electrically connected with the first conductive piece.

The utility model discloses a slip ring device, slip ring device is used for with window-cleaning robot looks adaptation, slip ring device can make power cord, the wire rod of safety line two-in-one make the rotation action along with window-cleaning robot's rotation is corresponding, thereby has avoided the winding of wire rod; meanwhile, the resistance of the window cleaning robot during walking is reduced, and the problem that the window cleaning robot falls off due to winding of the wire is thoroughly solved, so that the safety of the window cleaning robot is effectively protected.

In addition, according to the present invention, the slip ring device may further have the following additional features:

one of the first conductive piece and the second conductive piece is a DC male connector, and the other one is a DC female socket.

The first conductive piece is a DC male head, the second conductive piece is a DC female seat, and the DC female seat comprises a conductive elastic piece, insulating rubber sleeved on the periphery of the conductive elastic piece and a conductive ring at least covering part of the insulating rubber.

The sliding ring device further comprises a plastic rotating shaft, a first bearing, a second bearing and a shell, wherein the plastic rotating shaft covers the first conductive piece and at least one part of the first conductive piece is exposed outside the plastic rotating shaft, the power line is arranged on the plastic rotating shaft and is penetrated out from the end part of the first conductive piece, the first bearing is arranged on the plastic rotating shaft and is close to the end part of the first conductive piece, the second bearing is arranged on the plastic rotating shaft and is far away from the end part of the first conductive piece, the shell covers the plastic rotating shaft, the first bearing and the second bearing, and the shell and the window cleaning robot are fixedly connected.

The first bearing and the second bearing are the same in size and are all ball bearings.

The shell comprises an upper shell and a lower shell, the upper shell and the lower shell are enclosed to form a cavity, and the plastic rotating shaft, the first bearing and the second bearing are located in the cavity.

The slip ring device further comprises a cushion pad, the cushion pad is sleeved on the plastic rotating shaft and is adjacent to the second bearing, and the cushion pad is located in the cavity.

The first bearing and the second bearing are arranged at intervals, and the distance between the first bearing and the second bearing is 10-30 mm.

The first conductive component is electrically connected with the power line in a soldering mode.

The utility model also provides a window cleaning robot, window cleaning robot includes fixing device, fixing device is used for above-mentioned arbitrary structure sliding ring device, window cleaning robot can drive during rotatory the electrically conductive piece of second winds first electrically conductive rotatory.

According to the window cleaning robot of the utility model, the window cleaning robot is adapted to the slip ring device, and the slip ring device can make the wire rod of the power line and the safety line correspondingly rotate along with the rotation of the machine, thereby avoiding the winding of the wire rod; meanwhile, the resistance of the window cleaning robot during walking is reduced, and the problem that the window cleaning robot falls off due to winding of the wire is thoroughly solved, so that the safety of the window cleaning robot is effectively protected.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a slip ring assembly according to an embodiment of the present invention;

fig. 2 is a front view structural diagram of a slip ring device according to an embodiment of the present invention;

fig. 3 is an exploded view of the first conductive member according to an embodiment of the present invention;

fig. 4 is an exploded view of a second conductive member according to an embodiment of the present invention; and

fig. 5 is a front view structural diagram of the window cleaning robot according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The utility model provides a sliding ring device, this sliding ring device and the cooperation of window cleaning robot are used for making the wire rod of two unifications of power cord, safety line along with the rotatory corresponding work of machine with rotatory action, the winding of the wire rod among the prior art has been avoided to the machine, has guaranteed the safety of window cleaning robot.

Fig. 1 is an exploded view of a slip ring assembly according to an embodiment of the present invention; fig. 2 is a front view structural diagram of a slip ring device according to an embodiment of the present invention; fig. 3 is an exploded view of a first conductive member in accordance with one embodiment of the present invention; fig. 4 is an exploded view of a second conductive member according to an embodiment of the present invention; fig. 5 is a front view structural diagram of the window cleaning robot according to an embodiment of the present invention. Referring to fig. 1 to 5, the present invention provides a slip ring device for cooperating with a window cleaning robot to perform a sanitary cleaning task of a glass outer wall.

The slip ring arrangement comprises a power line 10, a first electrically conductive member 70 and a second electrically conductive member 90.

The power cord 10 is a wire material integrating a power cord and a safety cord, that is, the power cord 10 of the embodiment not only has the function of supplying power to the window-cleaning robot, but also is used for bearing the weight of the window-cleaning robot when the window-cleaning robot works and has the function of safety precaution. The power line 10 may be a conductive wire with excellent conductivity and resistance to dragging, one end of the power line 10 is fixedly connected to the window-cleaning robot and extends outwards from the window-cleaning robot, and the other end of the power line 10 may be electrically connected to a power supply terminal (e.g., commercial power). In the specific implementation, the length of the power line 10 can be selected as appropriate according to the actual operation requirement, and in this embodiment, the length of the power line 10 is 5-10 meters.

The first conductive member 70 is fixedly disposed at an end of the power line 10 close to the window cleaning robot, and is electrically connected to the power line 10. Specifically, the power line 10 is welded with a first conductive member 70 through soldering tin at the end connected with the window cleaning robot, and the first conductive member 70 is fixed on the power line 10 and is electrically connected with the power line 10; then, a plastic rotating shaft 60 is formed upwards on the first conductive member 70 and the periphery of the power line 10 close to the first conductive member 70 in a mold by a secondary injection molding manner, the conductive head of the first conductive member 70 is exposed out of the plastic rotating shaft 60, and the plastic rotating shaft 60 covers the first conductive member 70 and a part of the power line 10. In other embodiments, the first conductive member 70 may be electrically connected to the power line 10 by means of an electrical connector.

The second conductive member 90 is used for being conducted with the first conductive member 70 to maintain electrical connection, and when the second conductive member 90 is inserted into the first conductive member 70, the second conductive member 90 can rotate around the first conductive member 70 to maintain electrical connection. Specifically, the second conductive member 90 is used to be inserted into and electrically connected to the first conductive member 70, and when the first conductive member 70 is inserted into the second conductive member 90, the second conductive member 90 is electrically connected to the window cleaning robot, for example, the second conductive member may be electrically connected to a main board of the window cleaning robot by wire bonding. After the first conductive piece 70 and the second conductive piece 90 are inserted into each other, the first conductive piece 70 can rotate around the second conductive piece 90, specifically, the first conductive piece 70 can rotate around the second conductive piece 90 in a forward direction or a reverse direction in a universal manner by 360 degrees, and the first conductive piece 70 and the second conductive piece 90 are always electrically connected in the rotating process, so that the window cleaning robot is ensured to continuously supply power to the window cleaning robot while rotating.

The utility model discloses a slip ring device, this slip ring device and window cleaning robot cooperation work, this slip ring device includes power cord 10, first conductive piece 70 and second conductive piece 90, can keep the electricity to connect all the time after first conductive piece 70 and second conductive piece 90 peg graft each other to power supply to window cleaning robot through power cord 10; the first conductive piece 70 of the slip ring device can rotate around the second conductive piece 90, when the window cleaning robot rotates, the second conductive piece 90 is driven to do the same rotating motion, the second conductive piece 90 and the window cleaning robot keep relative static motion, at the moment, the first conductive piece 70 and the second conductive piece 90 do relative rotating motion, but the first conductive piece 70 and the power line 10 keep relative static, namely no matter how the window cleaning robot rotates, because the first conductive piece 70 can rotate around the second conductive piece 90, the power line 10 always keeps relative static state, and the power line 10 can not generate winding phenomenon along with the rotation of the window cleaning robot, thereby avoiding the winding phenomenon generated by the rotation of the power line 10 along with the window cleaning robot in the prior art, and effectively protecting the safety of the window cleaning robot; meanwhile, the first conductive member 70 is electrically connected with the second conductive member 90 all the time when the first conductive member and the second conductive member rotate relatively, so that continuous power supply of the window cleaning robot is ensured during operation.

In a specific implementation, one of the first conductive member 70 and the second conductive member 90 is a DC male connector, and the other is a DC female connector. In this embodiment, the first conductive member 70 is a DC male connector, and the second conductive member 90 is a DC female connector. In other embodiments, the first conductive member 70 may be a DC female socket, and the second conductive member 90 may be a DC male socket. The utility model discloses a sliding ring device, the concrete structure that first electrically conductive piece 70, second electrically conductive piece 90 do not do the restriction, as long as can guarantee that first electrically conductive piece 70 can encircle that second electrically conductive piece 90 is rotatory and remain the electricity all the time and connect can.

In this embodiment, the first conductive member 70 is a DC male connector, the second conductive member 90 is a DC female connector, the conductive head of the first conductive member 70 connected to the second conductive member 90 is cylindrical, and after the first conductive member 70 is inserted into the second conductive member 90, the cylindrical conductive head of the first conductive member 70 can keep rotating relative to the second conductive member 90 and ensure electrical connection therebetween.

In an implementation, referring to fig. 3 and 4, the first conductive member 70 includes a conductive elastic sheet 71, an insulating rubber 72, and a conductive ring 73. In specific implementation, the conductive elastic sheet 71, the insulating rubber 72 and the conductive ring 73 are integrally formed by an injection molding process, and the conductive elastic sheet 71 and the conductive ring 73 are electrically isolated by the insulating rubber 72, so that the conductive elastic sheet 71 is prevented from contacting the conductive ring 73. The second conductive member 90 includes a conductive pin 91, an insulating base 92 and a conductive elastic ring 93, and similarly, the conductive pin 91 and the insulating base 92 are also integrally formed with the conductive elastic ring 93, and the conductive pin 91 and the conductive elastic ring 93 are electrically isolated by the insulating base 92. When the first conductive member 70 is inserted into the second conductive member 90, the conductive pin 91 of the second conductive member 90 contacts with the conductive elastic piece 71 of the first conductive member 70, the conductive ring 73 of the first conductive member 70 contacts with the conductive elastic ring 93 of the second conductive member 90, the conductive pin 91 and the conductive elastic piece 71 are located inside the conductive ring 73 and the conductive elastic ring 93, and any one of the conductive pin 91 and the conductive elastic piece 71 is electrically isolated from any one of the conductive ring 73 and the conductive elastic ring 93. Because the conductive elastic sheet 71 and the conductive elastic ring 93 have certain elasticity, when the first conductive member 70 is inserted into the second conductive member 90, the conductive elastic sheet 71 extends outward for a certain distance to generate a reverse-acting elastic force so that the conductive elastic sheet 71 is firmly connected with the conductive pin 91, and similarly, the conductive elastic ring 93 also extends outward for a certain distance to generate a reverse-acting elastic force so that the conductive elastic ring 93 is firmly connected with the conductive ring 73, the conductive elastic sheet 71 and the conductive pin 91 are respectively connected with one of the positive pole and the negative pole of the power line 10, and the conductive ring 73 and the conductive elastic ring 93 are respectively connected with the other of the positive pole and the negative pole of the power line 10. Therefore, after the first conductive member 70 is inserted into the second conductive member 90, the first conductive member 70 and the second conductive member 90 can rotate relatively and keep electrical connection all the time.

In a specific implementation, the slip ring device further includes a plastic rotating shaft 60, a first bearing 80, a second bearing 30 and a housing, the plastic rotating shaft 60 covers the first conductive member 70, at least a portion of the first conductive member 70 is exposed out of the plastic rotating shaft 60, the power line 10 penetrates through an end portion of the plastic rotating shaft 60 far away from the first conductive member 70, and in a specific implementation, the first conductive member 70, a portion of the power line 10 and the plastic rotating shaft 60 are integrally injection-molded through a secondary injection molding process.

In specific implementation, the first bearing 80 is sleeved on the end portion of the plastic rotation shaft 60 close to the first conductive piece 70, the second bearing 30 is sleeved on the end portion of the plastic rotation shaft 60 far from the first conductive piece 70, the first bearing 80 and the second bearing 30 are limited and fixed through two axial end portions of the plastic rotation shaft 60, the housing covers the plastic rotation shaft 60, the first bearing 80 and the second bearing 30, and the housing and the window cleaning robot are fixedly connected. Specifically, the utility model discloses a slip ring device still sets up a bearing respectively along two axial tip at plastic rotation axis 60, wherein first bearing 80 sets up the tip that is close to first electrically conductive piece 70 at plastic rotation axis 60, second bearing 30 sets up the tip of keeping away from first electrically conductive piece 70 at plastic rotation axis 60, first bearing 80 and second bearing 30 are all established upwards in the periphery of plastic rotation axis 60, the shell has a cavity, plastic rotation axis 60, first bearing 80 and second bearing 30 hold in this cavity promptly, be equipped with corresponding muscle position on the inner wall of shell and be used for the card to hold fixed first bearing 80 and second bearing 30. The utility model discloses a sliding ring device sets up first bearing 80 and second bearing 30 respectively through the axial both ends at plastic rotation axis 60, and first bearing 80 and second bearing 30 can assist plastic rotation axis 60 more smoothly with clean window robot and keep relative rotary motion to further promoted the rotatory window operation of cleaning window robot.

In a specific implementation, the first bearing 80 is the same size as the second bearing 30 and is a ball bearing. Specifically, the first bearing 80 and the second bearing 30 have the same outer diameter and are both provided as ball bearings. In other embodiments, the sizes of the first bearing 80 and the second bearing 30 may also be set according to actual requirements, for example, the sizes of the first bearing 80 and the second bearing 30 are different.

In a specific implementation, the housing includes an upper shell 40 and a lower shell 50, the upper shell 40 and the lower shell 50 enclose a cavity, and the plastic rotating shaft 60, the first bearing 80 and the second bearing 30 are located in the cavity. The rib positions and the hole positions for the screws to penetrate through are arranged between the upper shell 40 and the lower shell 50, and after the upper shell 40 and the lower shell 50 are buckled with each other, the rib positions/the hole positions of the upper shell 40 and the lower shell 50 are penetrated through by screws respectively, so that the upper shell 40 and the lower shell 50 can be fixedly connected.

In a specific implementation, the slip ring device further comprises a cushion pad 20, the cushion pad 20 is sleeved on the rotating slip ring 60 and is adjacent to the second bearing 30, and the second bearing 30 is located in the cavity. Specifically, the slip ring device of the present invention further has a buffering pad 20 at the end of the rotating slip ring 60 adjacent to the second bearing 30, so that the power line 10 can buffer when receiving the pulling force by setting the buffering pad 20, and the first conductive piece 70 can move in the axial direction at a small distance relative to the second conductive piece 90, thereby reducing the friction between the fixed positions of the first conductive piece 70 and the second conductive piece 90, and increasing the wear resistance and prolonging the service life. In the present embodiment, the cushion pad 20 is exemplified by a spring plate; in other embodiments, the cushion pad 20 may also be other components with elastic cushioning.

In a specific implementation, the first bearing 80 is spaced apart from the second bearing 30. Specifically, the first bearing 80 and the second bearing 30 are respectively disposed at two axial ends of the rotating slip ring 60, a certain distance is maintained between the first bearing 80 and the second bearing 30, the distance between the first bearing 80 and the second bearing 30 is 10mm to 30mm, and in this embodiment, the distance between the first bearing 80 and the second bearing 30 is 21 mm. The utility model discloses a sliding ring device is through keeping certain distance between first bearing 80 and the second bearing 30 to make plastic rotation axis 60 more in the same direction as smooth when rotatory for the window cleaning robot, can reduce plastic rotation axis 60's the range of swaying moreover, make the window cleaning robot during operation more stable.

The utility model also provides a window cleaning robot, window cleaning robot includes a fixing device, fixing device is used for the sliding ring device of fixed above-mentioned arbitrary structure, window cleaning robot can drive when rotatory power cord 10 is rotatory correspondingly.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. A slip ring apparatus for adapting to a window cleaning robot, comprising:

a power line;

the first conductive piece is fixedly arranged at the end part of the power line close to the window cleaning robot and is electrically connected with the power line;

and when the second conductive piece is mutually spliced with the first conductive piece, the second conductive piece can rotate around the first conductive piece and is always electrically connected with the first conductive piece.

2. The slip ring device of claim 1 wherein one of said first and second conductors is a DC male and the other is a DC female.

3. The slip ring device according to claim 2, wherein the first conductive member is a DC male connector, the second conductive member is a DC female socket, and the DC female socket comprises a conductive elastic piece, an insulating rubber covering the conductive elastic piece, and a conductive ring at least covering a part of the insulating rubber.

4. The slip ring device according to claim 1, further comprising a plastic rotation shaft, a first bearing, a second bearing and a housing, wherein the plastic rotation shaft covers the first conductive member and at least a portion of the first conductive member is exposed out of the plastic rotation shaft, the power line penetrates through an end portion of the plastic rotation shaft far away from the first conductive member, the first bearing is sleeved on an end portion of the plastic rotation shaft near the first conductive member, the second bearing is sleeved on an end portion of the plastic rotation shaft far away from the first conductive member, the housing covers the plastic rotation shaft, the first bearing and the second bearing, and the housing and the window cleaning robot are fixedly connected.

5. Slip ring device according to claim 4, characterized in that the first bearing and the second bearing are of the same size and are both ball bearings.

6. Slip ring device according to claim 4, wherein the housing comprises an upper shell and a lower shell enclosing a cavity, wherein the plastic rotation shaft, the first bearing and the second bearing are located in the cavity.

7. The traveler device of claim 6, further comprising a cushion pad mounted on the plastic rotating shaft adjacent to the second bearing, the cushion pad being located in the cavity.

8. Slip ring device according to claim 4, characterized in that the first bearing is arranged spaced apart from the second bearing, the distance between the first bearing and the second bearing being 10-30 mm.

9. Slip ring device according to any of claims 1-8, characterized in that the first conducting member is electrically connected to the power line by means of soldering.

10. A window wiping robot, comprising:

-fixing means for fixing the slip ring device according to any of claims 1 to 9, the window cleaning robot being adapted to rotate the second conductor around the first conductor.