CN211324675U

CN211324675U - Traveling wheel combination device of window cleaning robot

Info

Publication number: CN211324675U
Application number: CN201920382062.1U
Authority: CN
Inventors: 余伟尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-08-25
Anticipated expiration: 2029-03-25

Abstract

The utility model provides a walking wheel composite set of window-cleaning robot, shell A and shell B including the terminal surface cooperation link together, install initiative athey wheel and passive athey wheel between shell A and the shell B, the outside of initiative athey wheel and passive athey wheel is equipped with the track that is used for the walking, be equipped with the shaft hole on the shell B, shell B's the outside is equipped with the motor, the motor is fixed through setting up in the motor outside and connecting the motor lid of fixing on shell B, the output shaft of motor is equipped with the worm wheel for worm form and meshing, be equipped with sun gear on the worm wheel with one heart, sun gear is connected with planet reduction gear mechanism. The utility model provides a pair of cleaning robot's travelling wheel composite set, compact structure can acquire great torque, the energy saving.

Description

Traveling wheel combination device of window cleaning robot

Technical Field

The utility model relates to the field of machinary, in particular to traveling wheel composite set of window cleaning robot.

Background

The window cleaning robot is also called an automatic window cleaning machine, a glass cleaning robot, an intelligent window cleaning machine, an intelligent window cleaner and the like, and is one of intelligent household appliances. The window cleaner can be firmly adsorbed on glass by virtue of a vacuum pump or a fan device at the bottom of the window cleaner, and then automatically detects the corner distance of a window and plans a window cleaning path by virtue of certain artificial intelligence. The window cleaning robot generally utilizes the force of the window cleaning robot itself absorbed on the glass to drive the cleaning cloth at the bottom of the machine body to wipe off the dirt on the glass.

At present, although the window cleaning robot is convenient, the window cleaning robot cannot obtain larger torque due to the structural limitation, the performance of a mechanism is influenced, and energy is wasted.

SUMMERY OF THE UTILITY MODEL

The aforesaid is not enough among the prior art, the utility model provides a traveling wheel composite set of window cleaning robot, its compact structure, convenient to use, energy utilization is rateed highly, the convenient popularization.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a walk wheel composite set of window cleaning robot, includes shell A and shell B that the end surface cooperation links together, install initiative athey wheel and passive athey wheel between shell A and the shell B, the outside of initiative athey wheel and passive athey wheel is equipped with the track that is used for the walking, be equipped with the shaft hole on the shell B, the outside of shell B is equipped with the motor, the motor is fixed through setting up in the motor outside and connecting the motor cover of fixing on shell B, the output shaft of motor is equipped with the worm wheel for worm form and meshing, concentric sun gear that is equipped with on the worm wheel, sun gear is connected with planet reduction gear mechanism, the intermediate position of initiative athey wheel is equipped with the spread groove, planet reduction gear mechanism output shaft end is connected with the spread groove of initiative athey wheel for it rotates to drive the initiative athey wheel.

As the improvement, planet reduction gear mechanism includes the planet carrier, with the planet wheel of sun gear meshing setting, set up in the planet wheel outside and with the ring gear of planet wheel meshing, the planet wheel sets up on the planet carrier and can rotate around the center, the middle part of planet carrier is equipped with spacing axle and passes the centre bore that worm wheel and sun gear and be connected with shell A.

As a modification, the ring gear is arranged on the shell B and is of an integral structure with the shell B.

As an improvement, a partition plate is sleeved on a hub of the worm wheel.

As an improvement, the number of the planet wheels is not less than three.

As an improvement, wheel covers are arranged between the shell A and the driving crawler wheel and between the shell A and the driven crawler wheel.

As an improvement, the center hole of the driving crawler wheel is square, and the end part, far away from the planet wheel, of the planet carrier is of a square shaft structure and is matched and clamped with the center hole of the driving crawler wheel.

As a modification, the outer sides of the shell A and the shell B are respectively provided with a convex connecting piece.

As an improvement, the material of the crawler belt is rubber.

The utility model has the advantages that:

the utility model discloses compact structure, be equipped with worm gear speed reduction and planet speed reduction combined mechanism, the power of motor conveys for the worm wheel through the worm, utilize the speed conversion between the teeth, the number of revolution with the motor slows down to the number of revolution that will, and obtain great torque, the worm wheel is combined with the sun gear in the planet speed reduction gear mechanism, power conveys for planetary gear through the sun gear, reach the deceleration action again, and obtain great torque once more, planet wheel power is exported for initiative athey wheel through the planet carrier, initiative athey wheel is through the track, drive passive athey wheel, accomplish whole power transmission, under the same power condition, can acquire bigger torque, can walk on smooth glass plane, return, action such as turn.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural view of a housing B of the present invention;

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

fig. 5 is a schematic view of a planetary reduction gear mechanism of the present invention;

reference symbol comparison table:

the device comprises a shell A, a shell B, a 3-driving crawler wheel, a 31-connecting groove, a 4-driven crawler wheel, a 5-crawler belt, a 6-shaft hole, a 7-motor, an 8-motor cover, a 9-worm gear, a 10-sun gear, an 11-planetary reduction gear mechanism, a 111-planet carrier, a 112-planet gear, a 113-gear ring, a 12-limiting shaft, a 13-partition plate, a 14-wheel cover and a 15-connecting piece.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.

As shown in fig. 1-5, a traveling wheel assembly of a window cleaning robot includes a housing a1 and a housing B2, which are connected together by end face fit, a driving crawler wheel 3 and a driven crawler wheel 4 are installed between the housing a1 and the housing B2, a crawler 5 for traveling is installed on the outer sides of the driving crawler wheel 3 and the driven crawler wheel 4, a shaft hole 6 is installed on the housing B2, a motor 7 is installed on the outer side of the housing B2, the motor 7 is fixed by a motor cover 8 which is installed on the outer side of the motor 7 and connected to the housing B2, an output shaft of the motor 7 is worm-shaped and engaged with a worm wheel 9, a sun gear 10 is concentrically installed on the worm wheel 9, the sun gear 10 is connected with a planetary reduction gear mechanism 11, a connecting groove 31 is installed at the middle position of the driving crawler wheel 3, an output shaft end of the planetary reduction gear mechanism 11 is connected with the connecting groove 31 of the driving crawler, for driving the driving crawler wheel 3 to rotate.

The planetary reduction gear mechanism 11 comprises a planet carrier 111, a planet wheel 112 arranged in a meshed mode with the sun gear 10, and a gear ring 113 arranged on the outer side of the planet wheel 112 and meshed with the planet wheel 112, the planet wheel 112 is arranged on the planet carrier 111 and can rotate around the center, the middle of the planet carrier 111 is provided with a limiting shaft 12, and the limiting shaft 12 penetrates through center holes of the worm wheel 9 and the sun gear 10 to be connected with a shell A1.

The ring gear 113 is provided on the housing B2 and is of an integral structure with the housing B2.

And a partition plate 13 is sleeved on the hub of the worm wheel 9.

The number of the planet wheels 112 is not less than three.

Wheel covers 14 are arranged between the shell A1 and the driving crawler wheel 3 and the driven crawler wheel 4.

The centre bore of initiative athey wheel 3 is square, planet carrier 111 keeps away from the tip of planet wheel 112 for square axle construction and with the centre bore cooperation joint of initiative athey wheel 3.

The outer sides of the shell a1 and the shell B2 are provided with protruding connectors 15.

The caterpillar band 5 is made of rubber.

The opposite surfaces of a shell A1 and a shell B2 of the device are provided with bosses with slotted holes for limiting the positions of a driving crawler wheel 3 and a driven crawler wheel 4, a wheel cover 14 is sleeved on the boss of the shell A1, the driving crawler wheel 3 and the driven crawler wheel 4 are also arranged on the boss of the shell A1 and the inner side of the wheel cover 14, a crawler 5 is arranged on the outer side of the driving crawler wheel 3 and the driven crawler wheel 4, the shell A1 and the shell B2 are fixedly connected through bolts (detachable connecting pieces such as screws and the like are also available), a sun gear 10 is meshed with a planet wheel 112 of a planet reduction gear mechanism 11, a planet carrier 111 is a combination of a disc and a square shaft and is provided with a central hole, the square shaft is inserted into the central hole of the driving crawler wheel (connected in an interference fit manner or connected in a flat key and spline manner), a limiting shaft 12 passes through the central holes of a worm wheel 9, then the gear passes through the center hole of the planet carrier 111, the end part is arranged in the boss slotted hole of the shell A1, the worm wheel 9 is meshed with the output shaft of the motor (micro motor) 7 and is fixed through the motor cover 8, the motor cover 8 is fixed on the shell B2 through screws, and then the whole device is fixed on the bottom plate of the machine through the connecting piece 15.

When the device is used, the worm and gear speed reduction and planet speed reduction combined mechanism 11 is adopted, the power of the motor 7 is transmitted to the worm wheel 9 through the worm, the rotation number of the motor 7 is reduced to the required rotation number by utilizing speed conversion between teeth, and larger torque is obtained, the worm wheel 9 is combined with the sun gear 10 in the planet speed reduction gear mechanism 11, the power is transmitted to the planet wheel 112 through the sun gear 10, a speed reduction effect is achieved once again, and larger torque is obtained again, the power of the planet wheel 112 is output to the driving crawler wheel 3 through the planet carrier 111, the driving crawler wheel 3 drives the driven crawler wheel 4 through the crawler belt, and all power transmission is completed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A travelling wheel combination device of a window cleaning robot comprises a shell A (1) and a shell B (2) which are connected together in an end face matching mode, and is characterized in that a driving crawler wheel (3) and a driven crawler wheel (4) are installed between the shell A (1) and the shell B (2), a crawler belt (5) for walking is arranged on the outer sides of the driving crawler wheel (3) and the driven crawler wheel (4), a shaft hole (6) is formed in the shell B (2), a motor (7) is arranged on the outer side of the shell B (2), the motor (7) is fixed through a motor cover (8) which is arranged on the outer side of the motor (7) and connected and fixed on the shell B (2), an output shaft of the motor (7) is in a worm shape and is provided with a worm wheel (9) in a meshing mode, a sun gear (10) is concentrically arranged on the worm wheel (9), and the sun gear (10) is connected with a planetary reduction gear mechanism, the middle position of the driving crawler wheel (3) is provided with a connecting groove (31), and the output shaft end of the planetary reduction gear mechanism (11) is connected with the connecting groove (31) of the driving crawler wheel (3) and used for driving the driving crawler wheel (3) to rotate.

2. A travelling wheel assembly for a window cleaning robot as claimed in claim 1, wherein: planet reduction gear (11) include planet carrier (111), planet wheel (112) that set up with sun gear (10) meshing, set up in planet wheel (112) outside and with ring gear (113) of planet wheel (112) meshing, planet wheel (112) set up on planet carrier (111) and can rotate around the center, the middle part of planet carrier (111) is equipped with spacing axle (12) and passes the centre bore that worm wheel (9) and sun gear (10) and be connected with shell A (1).

3. A travelling wheel assembly for a window cleaning robot as claimed in claim 2, wherein: the gear ring (113) is arranged on the shell B (2) and is integrated with the shell B (2).

4. A travelling wheel assembly for a window cleaning robot as claimed in claim 2, wherein: and a partition plate (13) is sleeved on the hub of the worm wheel (9).

5. A travelling wheel assembly for a window cleaning robot as claimed in claim 2, wherein: the number of the planet wheels (112) is not less than three.

6. A travelling wheel assembly for a window cleaning robot as claimed in claim 2, wherein: wheel covers (14) are arranged between the shell A (1) and the driving crawler wheel (3) and between the shell A and the driven crawler wheel (4).

7. The traveling wheel assembly of the window cleaning robot as claimed in claim 6, wherein: the centre bore of initiative athey wheel (3) is square, planet carrier (111) keep away from the tip of planet wheel (112) for square axle construction and with the centre bore cooperation joint of initiative athey wheel (3).

8. A travelling wheel assembly for a window cleaning robot as claimed in claim 1, wherein: and convex connecting pieces (15) are arranged on the outer sides of the shell A (1) and the shell B (2).

9. A travelling wheel assembly for a window cleaning robot as claimed in claim 1, wherein: the caterpillar band (5) is made of rubber.