CN211704461U

CN211704461U - Steering mechanism for household floor sweeping robot

Info

Publication number: CN211704461U
Application number: CN201922168918.8U
Authority: CN
Inventors: 李玉芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-10-20
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a steering mechanism for a household sweeping robot, which comprises a machine body, a front wheel groove, a steering wheel, a steering rod, a mounting groove, a rear wheel groove, a driving wheel, a driven pulley, a driving belt, a first micro motor, a driving pulley, a driven gear, a transmission gear, a second micro motor, a driving gear, a first motor controller, a guide rod, a second motor controller and a brake control button, wherein the bottom surface of the machine body is symmetrically provided with the rear wheel groove, the driving wheel is rotationally arranged in the rear wheel groove, the driving wheel is coaxially fixed with the driven pulley, the first micro motor is arranged above the rear wheel groove, and a driving pulley is fixed on an output shaft of the first micro motor, the sweeping robot rotates through the steering wheel in a small-angle steering way, when the sweeping robot rotates in a large angle, the driving wheel is static through one side, the driving wheel on the other side rotates, and then the steering, the small-range quick direction change is realized, and the flexibility of the device is improved.

Description

Steering mechanism for household floor sweeping robot

Technical Field

The utility model relates to a robot technical field that sweeps floor specifically is a steering mechanism that is used for house robot that sweeps floor.

Background

The machine body of the sweeping machine is a wireless machine, and mainly takes a disc type as a main machine. The sweeping robot is generally divided into two steering devices, namely a rear wheel driving device and a front wheel driving device, the steering device of the sweeping robot needs a larger range of steering, the two driving wheels rotate at a rotating speed difference, the mode structure is more complex, the cost is high, and therefore, the steering mechanism for the household sweeping robot is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steering mechanism for house robot of sweeping floor to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a steering mechanism for a household floor sweeping robot comprises a machine body, a front wheel groove, a steering wheel, a steering rod, a mounting groove, a rear wheel groove, a driving wheel, a driven pulley, a transmission belt, a first micro motor, a driving pulley, a driven gear, a transmission gear, a second micro motor, a driving gear, a first motor controller, a guide rod, a second motor controller and a brake control button, wherein the rear wheel groove is symmetrically formed in the bottom surface of the machine body, the driving wheel is rotatably mounted in the rear wheel groove, the driving wheel is coaxially fixed with the driven pulley, the first micro motor is mounted above the rear wheel groove, a driving pulley is fixed on an output shaft of the first micro motor, the driving pulley is in transmission connection with the driven pulley through the transmission belt, the front wheel groove is formed in one side, far away from the rear wheel groove, of the lower surface of the machine body, the mounting groove is formed above the, the steering rod penetrates through the front wheel groove and the mounting groove, the steering rod is rotatably connected with the machine body through a bearing, the bottom end of the steering rod is positioned in the front wheel groove and rotatably provided with a steering wheel, the outer side of the steering rod is positioned in the mounting groove and fixedly provided with a driven gear, the top of the mounting groove is rotatably provided with a transmission gear, the transmission gear is meshed with the driven gear and is connected with the driven gear, one side of the mounting groove is provided with a second micro motor, an output shaft of the second micro motor is fixedly provided with a driving gear, the driving gear is meshed with the transmission gear and is connected with the second micro motor, one side of the second micro motor is provided with a second motor controller, the second motor controller is electrically connected with the second micro motor, the bottom surface of the mounting groove is positioned on one side of the second motor controller and is provided with a first motor controller, the first motor controller is electrically, and guide rods are symmetrically fixed on the outer sides of the steering rods, and the positions of the guide rods correspond to the positions of the brake control buttons.

Preferably, a telescopic rod is arranged between the brake control button and the first motor controller, the brake control button is connected with the first motor controller through the telescopic rod, and a spring is sleeved on the outer side of the telescopic rod.

Preferably, the end of the guide rod is rotatably provided with a rotating wheel.

Preferably, the surface of the driving wheel is provided with a ground-grabbing groove.

Preferably, the surface of the steering wheel is arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when the big angle of organism rotates, the steering column is driven by second micro motor and rotates, the steering column is followed to the guide bar and is rotated, make the runner press brake control button, thereby the first micro motor stop work of the corresponding side of first motor controller control, rotate inboard drive wheel braking, the drive wheel in the outside rotates, realize the direction of fast rotating, brake control button has one end elastic distance with first motor controller, make the rotation of steering wheel at the steerable drive wheel of one end rotation range, this robot of sweeping the floor is static through one side drive wheel, the opposite side drive wheel rotates, the rotation of steering wheel is deuterogamied, realize the quick diversion of small-scale, increase the dexterity of device.

2. The utility model discloses when the organism needs the low-angle to rotate, second motor controller control second micro motor location is rotated, makes the steering column rotate through driving gear, drive gear and driven gear's transmission to realize the direction adjustment of directive wheel, this robot transmission principle of sweeping the floor is simple, turns to the convenience, the production of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the direction rotation structure of the present invention;

FIG. 3 is a schematic view of the structure of the mounting groove of the present invention;

fig. 4 is a schematic view of the driving wheel structure of the present invention;

fig. 5 is a schematic view of the structure of the steering wheel of the present invention.

In the figure: 1. a body; 2. a front wheel groove; 3. a steering wheel; 4. a steering lever; 5. mounting grooves; 6. a rear wheel groove; 7. a drive wheel; 8. a driven pulley; 9. a drive belt; 10. a first micro motor; 11. a drive pulley; 12. a driven gear; 13. a transmission gear; 14. a second micro motor; 15. a driving gear; 16. a first motor controller; 17. a guide bar; 18. a rotating wheel; 19. a second motor controller; 20. a telescopic rod; 21. a brake control button; 22. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a steering mechanism for a household floor sweeping robot comprises a machine body 1, a front wheel groove 2, a steering wheel 3, a steering rod 4, a mounting groove 5, a rear wheel groove 6, a driving wheel 7, a driven pulley 8, a transmission belt 9, a first micro motor 10, a driving pulley 11, a driven gear 12, a transmission gear 13, a second micro motor 14, a driving gear 15, a first motor controller 16, a guide rod 17, a second motor controller 19 and a brake control button 21, wherein the rear wheel groove 6 is symmetrically formed in the bottom surface of the machine body 1, the driving wheel 7 is rotatably mounted in the rear wheel groove 6, the driving wheel 7 is coaxially fixed with the driven pulley 8, the first micro motor 10 is mounted above the rear wheel groove 6, an output shaft of the first micro motor 10 is fixed with the driving pulley 11, the driving pulley 11 is in transmission connection with the driven pulley 8 through the transmission belt 9, the lower surface of the machine body 1 is far away from one side of the rear wheel groove 6 and is provided with a front wheel groove 2, a mounting groove 5 is arranged above the front wheel groove 2, the steering rod 4 penetrates through the front wheel groove 2 and the mounting groove 5, the steering rod 4 is rotatably connected with the machine body 1 through a bearing, the bottom end of the steering rod 4 is positioned in the front wheel groove 2 and rotatably provided with a steering wheel 3, the outer side of the steering rod 4 is positioned in the mounting groove 5 and fixedly provided with a driven gear 12, the top of the mounting groove 5 is rotatably provided with a transmission gear 13, the transmission gear 13 is meshed and connected with the driven gear 12, one side of the mounting groove 5 is provided with a second micro motor 14, an output shaft of the second micro motor 14 is fixedly provided with a driving gear 15, the driving gear 15 is meshed and connected with the transmission gear 13, one side of the second micro motor 14 is provided with a, 5 bottom surfaces of mounting groove are located 19 one sides of second motor controller and install first motor controller 16, and first motor controller 16 and first micro motor 10 electric connection, brake control button 21 is installed to 16 bilateral symmetry electric properties of first motor controller, 4 outside symmetries of steering column are fixed with guide bar 17, and the guide bar 17 position corresponds with brake control button 21 position.

An expansion link 20 is arranged between the brake control button 21 and the first motor controller 16, the brake control button 21 is connected with the first motor controller 16 through the expansion link 20, a spring 22 is sleeved on the outer side of the expansion link 20, when the guide rod 17 extrudes the brake control button 21, the corresponding first micro motor 10 stops moving, the brake control button 21 and the first motor controller 16 have one end elastic distance, so that the steering wheel 3 can control the rotation of the driving wheel 7 in one end rotating range, the steering sensitivity is increased, and the models of the first motor controller 16 and the second motor controller 19 are JYPG.

The end of the guide rod 17 is rotatably provided with a rotating wheel 18, and when the guide rod 17 is contacted with the brake control button 21, the rotating wheel 18 is in rotating contact, so that the brake control button 21 is pressed and connected more stably.

The surface of the driving wheel 7 is provided with a ground grabbing groove, so that the ground grabbing force of the driving wheel 7 is increased, and the power is improved.

The surface of the steering wheel 3 is arc-shaped, the contact area between the steering wheel 3 and the bottom surface is small, the friction is small, and the rotation is convenient.

The working principle is as follows: when the machine body 1 needs to rotate at a small angle, the second motor controller 19 controls the second micro motor 14 to rotate in a positioning mode, the steering rod 4 is rotated through the transmission of the driving gear 15, the transmission gear 13 and the driven gear 12, so that the direction of the steering wheel 3 is adjusted, when the machine body 1 rotates at a large angle, the steering rod 4 is driven to rotate by the second micro motor 14, the guide rod 17 rotates along with the steering rod 4, the rotating wheel 18 presses the brake control button 21, the first motor controller 16 controls the first micro motor 10 on the corresponding side to stop working, the driving wheel 7 on the inner side is rotated to brake, the driving wheel 7 on the outer side rotates, and the rapid rotation direction is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steering mechanism for house robot of sweeping floor, includes organism (1), front wheel groove (2), directive wheel (3), steering column (4), mounting groove (5), back race (6), drive wheel (7), driven pulley (8), driving belt (9), first micro motor (10), driving pulley (11), driven gear (12), drive gear (13), second micro motor (14), driving gear (15), first motor controller (16), guide bar (17), second motor controller (19) and brake control button (21), its characterized in that: rear wheel grooves (6) are symmetrically formed in the bottom surface of the machine body (1), a driving wheel (7) is installed in the rear wheel grooves (6) in a rotating mode, a driven belt pulley (8) is coaxially fixed on the driving wheel (7), a first micro motor (10) is installed above the rear wheel grooves (6), an output shaft of the first micro motor (10) is fixed with a driving belt pulley (11), the driving belt pulley (11) is in transmission connection with the driven belt pulley (8) through a transmission belt (9), a front wheel groove (2) is formed in one side, away from the rear wheel grooves (6), of the lower surface of the machine body (1), a mounting groove (5) is formed in the upper portion of the front wheel groove (2), a steering rod (4) penetrates through the front wheel grooves (2) and the mounting groove (5), the steering rod (4) is rotatably connected with the machine body (1) through a bearing, and a steering wheel (3) is installed in the position, at the bottom, the outer side of the steering rod (4) is located in a mounting groove (5) and is fixedly provided with a driven gear (12), the top of the mounting groove (5) is rotatably provided with a transmission gear (13), the transmission gear (13) is meshed with the driven gear (12) and is connected with the driven gear, one side of the mounting groove (5) is provided with a second micro motor (14), an output shaft of the second micro motor (14) is fixedly provided with a driving gear (15), the driving gear (15) is meshed with the transmission gear (13) and is connected with a second motor controller (19), one side of the second micro motor (14) is provided with a second motor controller (19), the second motor controller (19) is electrically connected with the second micro motor (14), the bottom surface of the mounting groove (5) is located on one side of the second motor controller (19) and is provided with a first motor controller (16), and the first motor controller (16) is electrically connected with, brake control button (21) are installed to first motor controller (16) bilateral symmetry electrical property, steering column (4) outside symmetry is fixed with guide bar (17), and guide bar (17) position corresponds with brake control button (21) position.

2. The steering mechanism for the home sweeping robot according to claim 1, wherein: be equipped with telescopic link (20) between brake control button (21) and first motor controller (16), and brake control button (21) is connected through telescopic link (20) with first motor controller (16), spring (22) has been cup jointed in the telescopic link (20) outside.

3. The steering mechanism for the home sweeping robot according to claim 1, wherein: and a rotating wheel (18) is rotatably arranged at the end part of the guide rod (17).

4. The steering mechanism for the home sweeping robot according to claim 1, wherein: the surface of the driving wheel (7) is provided with a ground-grabbing groove.

5. The steering mechanism for the home sweeping robot according to claim 1, wherein: the surface of the steering wheel (3) is arc-shaped.