Steering wheel device of cleaning robot

Abstract

The utility model discloses a steering wheel device of a cleaning robot, which comprises a handle assembly, a steering wheel assembly, a steering wheel assembly and a steering wheel assembly, the handle assembly comprises a wheel body and a handle, the wheel body is rotatably arranged on the cleaning robot, and the handle is arranged on the wheel body; the movement assembly comprises a first limiting block, a second limiting block, a third limiting block, a stop block and a connecting shaft, the connecting shaft is arranged on the disc body, and the connecting shaft is arranged on the disc body through the first limiting block, the second limiting block, the third limiting block and the stop block; the first limiting block, the second limiting block, the third limiting block and the stop block are sequentially stacked on the connecting shaft; and the encoder assembly is arranged on the lower portion of the disc body, and the encoder assembly is electrically connected to the cleaning robot.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning robots, in particular to a steering wheel device for a cleaning robot. Background Art

[0002] The steering wheel device used in the existing sweeper has a complex structure and needs to be driven by a motor, with a high use cost and a complex manufacturing process. At present, there is an urgent need for a steering wheel device to solve the problems existing in the prior art. Summary of the Utility Model

[0003] An object of the utility model is to provide a steering wheel device for a cleaning robot, which realizes a simple process, does not require motor drive, and has a low use cost through the cooperation of a plurality of limit blocks and a stop block, as well as the design of an anti-fooling part.

[0004] Other advantages and features of the utility model are fully embodied through the following detailed description and can be realized through the combination of the means and devices specifically pointed out in the appended claims.

[0005] According to one aspect of the utility model, a steering wheel device for a cleaning robot of the utility model that can achieve the foregoing object and other objects and advantages includes:

[0006] A handle assembly, the handle assembly includes a disk body and a handle, the disk body is rotatably arranged on the cleaning robot, and the handle is arranged on the disk body;

[0007] A motion assembly, the motion assembly includes a first limit block, a second limit block, a third limit block, a stop block and a connecting shaft, the connecting shaft is arranged on the disk body, the connecting shaft is arranged on the disk body through the first limit block, the second limit block, the third limit block and the stop block, and the first limit block, the second limit block, the third limit block and the stop block are sequentially stacked on the connecting shaft from top to bottom;

[0008] An encoder assembly, the encoder assembly is arranged below the disk body, and the encoder assembly is electrically connected to the cleaning robot.

[0009] According to an embodiment of the utility model, the first limit block, the second limit block, the third limit block and the stop block respectively have anti-fooling parts and two end parts, and each end part is respectively arranged on two end faces of each limit block or stop block.

[0010] According to an embodiment of the present utility model, the handle assembly further includes a mounting member and a fastening member. The mounting member and the fastening member are cooperatively installed inside the handle and the disc body. The handle is disposed on the disc body through the mounting member, and the fastening member is disposed inside the disc body through the mounting member.

[0011] According to an embodiment of the present utility model, the mounting member is a screw, and the fastening member is a nut.

[0012] According to an embodiment of the present utility model, the motion assembly further includes a bearing. The bearing is disposed at the bottom of the stop block, and the bearing is sleeved on the connecting shaft.

[0013] According to an embodiment of the present utility model, the motion assembly further includes a circlip. The circlip is disposed at the bottom of the bearing, and the circlip further fixes the bearing.

[0014] According to an embodiment of the present utility model, the handle assembly includes a decorative cover, and the decorative cover is disposed on the handle.

[0015] According to an embodiment of the present utility model, the handle assembly further includes a housing. The housing is disposed on the cleaning robot, and the disc body is rotatably disposed above the housing.

[0016] According to an embodiment of the present utility model, the handle assembly further includes a damper. The damper is disposed between the disc body and the encoder assembly.

[0017] According to an embodiment of the present utility model, the encoder assembly includes an encoder bracket. The encoder is disposed through the encoder bracket, and the encoder bracket is disposed below the handle assembly.

[0018] The beneficial effects of the present utility model are as follows: A steering wheel device is provided, which has a simple structure and saves costs. The steering wheel rotates 360° in one-way rotation to complete one full turn, and then rotates 720° in one-way rotation to return to the original position for two full turns, meeting the usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional schematic diagram of the steering wheel device of the cleaning robot according to an embodiment of the present utility model.

[0020] Figure 2 A cross-sectional schematic diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0021] Figure 3 A partial detailed view of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0022] Figure 4 Partial detailed view of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0023] Figure 5 Schematic diagram of the partial state of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0024] Figure 6 Stereoscopic schematic diagram of the moving component of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0025] Figure 7 First rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0026] Figure 8 Second rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0027] Figure 9 Third rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0028] Figure 10 Fourth rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0029] Figure 11 Fifth rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0030] Figure 12 Sixth rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model.

[0031] Figure 13 Seventh rotation state diagram of the steering wheel device of the cleaning robot according to the above embodiment of the present utility model. Detailed implementation manners

[0032] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description can be applied to other implementation schemes, variant schemes, improvement schemes, equivalent schemes, and other technical schemes without departing from the spirit and scope of the present utility model.

[0033] Those skilled in the art should understand that in the disclosure of this utility model, the orientation or positional relationship indicated by terms such as "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting this utility model.

[0034] It can be understood that the term "a" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in other embodiments, the number of this element can be multiple. The term "a" should not be construed as a limitation on the quantity. In addition, in the description of this utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0035] In the description of this utility model, it should be understood that terms such as "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through a medium. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of this utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0037] As Figures 1 to 13 shown, a steering wheel device of a cleaning robot according to an embodiment of this utility model is disclosed. The steering wheel device is applicable to the cleaning robot and can improve operations such as steering during the process of the cleaning robot moving forward for cleaning, which is beneficial to improving the operation efficiency of the cleaning robot during its forward movement.

[0038] Further, as Figures 1 to 4 shown, the steering wheel device includes a handle assembly 10, a motion assembly 20, and an encoder assembly 30. The motion assembly 20 and the encoder assembly 30 are provided on the handle assembly 10. The handle assembly 10 is for a user to control the turning action of the cleaning robot. The motion assembly 20 is used to implement the control of the cleaning robot by the handle assembly 10. The encoder assembly 30 transmits the motion state of the handle assembly 10 to the processor of the cleaning robot, so as to realize the driving and turning control of the cleaning robot. Specifically, the encoder assembly 30 feeds back the rotation angle of the handle assembly 10 to the processor through an encoder.

[0039] Further, as Figure 2 shown, the encoder assembly 30 includes an encoder bracket 31 for fixing the encoder. The encoder bracket 31 is provided below the handle assembly 10.

[0040] Further, the handle assembly 10 includes a disk body 11, a handle 12, a decorative cover 13, and a housing 14. The disk body 11 is rotatably provided above the housing 14. The handle 12 is provided on the disk body 11. The decorative cover 13 is provided on the handle 12. The decorative cover 13 is used to beautify the appearance of the handle 12, which is more beautiful. The handle 12 is for a user to hold and operate. The housing 14 is for the disk body 11 to be arranged. The housing 14 is provided on the cleaning robot.

[0041] Preferably, the handle assembly 10 further includes a damper 16 provided between the disk body 11 and the encoder assembly 30. The disk body 11 controls the rotation speed through the damping value of the damper 16.

[0042] Further, the handle assembly 10 further includes a mounting member 151 and a fastening member 152. The mounting member 151 and the fastening member 152 can be cooperatively installed. The handle 12 is provided on the disk body 11 through the mounting member 151. The fastening member 152 further fastens the assembly of the handle 12 and the disk body 11 through the mounting member 151.

[0043] Preferably, the mounting member 151 is a screw and the fastening member 152 is a nut.

[0044] In detail, the way the handle 12 is provided on the disc body 11 can be, but is not limited to, by means of a screw cooperating with a nut. During the actual installation process, the screw and the nut are tightened to ensure that the handle 12 can rotate smoothly and will not fall off easily. The specific installation steps are as follows: the screw is provided in the inner hollow part of the handle 12, the nut is provided inside the disc body 11, and the handle 12 is provided on the disc body 11 by the screw cooperating with the nut. The decorative cover 13 is provided on the handle 12. The installation method of the decorative cover 13 and the handle 12 can be, but is not limited to, a snap-fit method. The decorative cover 13 is snap-fitted to the handle 12, thereby ensuring the beautiful appearance of the steering wheel device.

[0045] Preferably, the nut is a hexagonal nut.

[0046] Preferably, the specification of the screw is above M8.

[0047] Furthermore, the moving component 20 includes a first limiting block 21, a second limiting block 22, a third limiting block 23, a stop block 24, a connecting shaft 25, a bearing 26, and a circlip 27. The connecting shaft 25 is provided on the disc body 11. The connecting shaft 25 is provided on the disc body 11 through the first limiting block 21, the second limiting block 22, the third limiting block 23, and the stop block 24. The first limiting block 21, the second limiting block 22, the third limiting block 23, and the stop block 24 are sequentially stacked on the connecting shaft 25 from top to bottom. The bearing 26 is provided at the bottom of the stop block 24, and the circlip 27 is provided at the bottom of the bearing 26. Among them, the installation method of the disc body 11 and the connecting shaft 25 can be, but is not limited to, by means of screws.

[0048] Furthermore, the first limiting block 21 has an anti-fooling portion 211, an end portion 212, and an end portion 213. The second limiting block 22 has an anti-fooling portion 221, an end portion 222, and an end portion 223. The third limiting block 23 has an anti-fooling portion 231, an end portion 232, and an end portion 233. The stop block 24 has an anti-fooling portion 241, an end portion 242, and an end portion 243. Each end portion is respectively provided on both end faces of each limiting block or stop block.

[0049] In the actual use scenario, when rotating the disc body 11, the connecting shaft 25 and the first limiting block 21 rotate synchronously together. When rotating to a certain extent, the second limiting block 22 rotates together with the connecting shaft 25 and the first limiting block 21. When rotating to a certain extent, the third limiting block 23 rotates together with the second limiting block 22, the first limiting block 21, and the connecting shaft 25 until it is stopped by the stop block 24.

[0050] Preferably, a nylon washer is provided between each of the limiting blocks and the connecting shaft 25, which can slow down the friction force, reduce the wear and tear between each of the limiting blocks and the connecting shaft 25, and extend the service life.

[0051] Specifically, the first limiting block 21 is sleeved on the connecting shaft 25, a nylon washer is provided between the first limiting block 21 and the connecting shaft 25, the second limiting block 22 is sleeved on the connecting shaft 25, a nylon washer is provided between the second limiting block 22 and the connecting shaft 25, the third limiting block 23 is sleeved on the connecting shaft 25, a nylon washer is provided between the third limiting block 23 and the connecting shaft 25, the stop block 24 is sleeved on the connecting shaft 25, and the bearing 26 is sleeved on the connecting shaft 25. The bearing 26 is further fixed by the snap ring 27.

[0052] As Figures 5 to 13 shown, the figures are multiple rotation state diagrams of the steering wheel device of the cleaning robot according to the above embodiments of the present invention. Briefly, the working principle of the steering wheel device is to rotate the disk body 11 counterclockwise by 360°, the rotation angle is one circle, the disk body 11 is stopped, at this time, the front steering wheels of the cleaning robot are turned fully to the left, and the cleaning robot can turn left. Then, the disk body 11 is rotated clockwise by 720°, the rotation angle is two circles, the disk body 11 is stopped and returned to the original position, the front steering wheels of the cleaning robot are returned to the original position, and the cleaning robot can go straight; if the disk body 11 is rotated clockwise by 360°, the rotation angle is one circle, the disk body 11 is stopped, at this time, the front steering wheels of the cleaning robot are turned fully to the right, and the cleaning robot can turn right. Then, the disk body 11 is rotated counterclockwise by 720°, the rotation angle is two circles, the disk body 11 is stopped and returned to the original position, the front steering wheels of the cleaning robot are returned to the original position, and the cleaning robot can go straight.

[0053] As Figure 7 shown, the figure is the initial state of the disk body 11. The anti-fooling parts 231 of the handle 12, the first limiting block 21, the second limiting block 22, the third limiting block 23 and the anti-fooling part 241 of the stop block 24 are all arranged on the X-axis. Among them, the anti-fooling parts 211 of the first limiting block 21 and the anti-fooling part 231 of the third limiting block 23 are arranged on the left side of the Y-axis, and the anti-fooling parts of the handle, the second limiting block 22 and the stop block 24 are arranged on the right side of the Y-axis.

[0054] Rotate the disk body 11 counterclockwise by 120°, as Figure 8As shown, the handle 12 is rotated 120° in the counterclockwise direction. At this time, the disk body 11, the connecting shaft 25, and the first limiting block 21 are all provided with the anti-fooling parts and rotate synchronously. The end 213 of the first limiting block 21 touches the end 223 of the second limiting block 22. At the same time, the handle 12 is rotated to the left of the Y-axis and above the X-axis.

[0055] The disk body 11 is continuously rotated 120° in the counterclockwise direction, as Figure 9 shown. The handle 12 is rotated 240° in the counterclockwise direction. The end 222 of the second limiting block 22 touches the end 232 of the third limiting block 23. At the same time, the handle 12 is rotated to the left of the Y-axis and below the X-axis.

[0056] The disk body 11 is continuously rotated 120° in the counterclockwise direction, as Figure 10 shown. The handle 12 is rotated 360° in the counterclockwise direction. The end 233 of the third limiting block 23 touches the end 243 of the stop block 24 and stops rotating. The disk body 11 completes one full rotation of 360°.

[0057] The disk body 11 is rotated 240° in the clockwise direction, as Figure 11 shown. The handle 12 is rotated 240° in the clockwise direction. The end 212 of the first limiting block 21 touches the end 222 of the second limiting block 22. At the same time, the handle 12 is rotated to the left of the Y-axis and above the X-axis.

[0058] The disk body 11 is continuously rotated 240° in the clockwise direction, as Figure 12 shown. The handle 12 is rotated 480° in the clockwise direction. The end 223 of the second limiting block 22 touches the end 233 of the third limiting block 23. At the same time, the handle 12 is rotated to the left of the Y-axis and below the X-axis.

[0059] The disk body 11 is continuously rotated 240° in the clockwise direction, as Figure 13 shown. The handle 12 is rotated 720° in the clockwise direction. The end 232 of the third limiting block 23 touches the end 242 of the stop block 24 and stops rotating. The disk body 11 completes two full rotations and returns to the original position.

Claims

1. A steering wheel device for a cleaning robot, characterized in that: include: A handle assembly, the handle assembly comprising a disc and a handle, the disc being rotatably disposed on the cleaning robot, and the handle being disposed on the disc; A motion assembly, the motion assembly comprising a first limit block, a second limit block, a third limit block, a stop block and a connecting shaft, the connecting shaft being arranged on the disc body, the connecting shaft being arranged on the disc body through the first limit block, the second limit block, the third limit block and the stop block, the first limit block, the second limit block, the third limit block and the stop block being sequentially stacked on the connecting shaft from top to bottom; An encoder component is disposed below the tray and is electrically connected to the cleaning robot.

2. The steering wheel device of the cleaning robot according to claim 1, characterized in that: The first limit block, the second limit block, the third limit block and the stop block respectively have an anti-fouling portion and two end portions, and each of the end portions is respectively arranged on the two end surfaces of each limit block or the stop block.

3. The steering wheel device of the cleaning robot according to claim 2, characterized in that: The handle assembly also includes a mounting member and a fastener, wherein the mounting member and the fastener are cooperatively mounted on the handle and the interior of the tray body, the handle is disposed on the tray body through the mounting member, and the fastener is disposed on the interior of the tray body through the mounting member.

4. The steering wheel device of the cleaning robot according to claim 3, characterized in that: The mounting piece is a screw, and the fastening piece is a nut.

5. The steering wheel device of the cleaning robot according to claim 3, characterized in that: The motion component further comprises a bearing, wherein the bearing is arranged at the bottom of the stop block and the bearing is sleeved on the connecting shaft.

6. The steering wheel device of the cleaning robot according to claim 5, characterized in that: The motion assembly further comprises a retaining spring, which is arranged at the bottom of the bearing and further fixes the bearing.

7. The steering wheel device of the cleaning robot according to claim 6, characterized in that: The handle assembly includes a decorative cover, and the decorative cover is disposed on the handle.

8. The steering wheel device of the cleaning robot according to claim 7, characterized in that: The handle assembly further comprises a shell, which is arranged on the cleaning robot, and the disc is rotatably arranged above the shell.

9. The steering wheel device of the cleaning robot according to claim 8, characterized in that: The handle assembly further includes a damper disposed between the disc and the encoder assembly.

10. The steering wheel device of the cleaning robot according to claim 9, characterized in that: The encoder assembly includes an encoder bracket, the encoder is arranged by the encoder bracket, and the encoder bracket is arranged below the handle assembly.

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