CN218419656U

CN218419656U - Transmission mechanism and sweeping robot

Info

Publication number: CN218419656U
Application number: CN202221327452.7U
Authority: CN
Inventors: 刘桂鹏
Original assignee: Guangdong Yunhan Intelligent Technology Co ltd
Current assignee: Guangdong Yunhan Intelligent Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-02-03
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a cleaning device field especially relates to a drive mechanism and robot of sweeping floor. The transmission mechanism is used for transmitting the roller and the brush and comprises a driving roller, a first mounting seat and a transmission assembly; one end of the brush and one end of the driving rolling shaft are both rotationally connected with the first mounting seat, and the driving rolling shaft is in contact with the roller; when the roller rotates, the driving rolling shaft rotates along with the roller, and the driving rolling shaft drives the hairbrush to rotate through the transmission assembly. The utility model discloses under the prerequisite that does not increase the robot lateral length of sweeping the floor and guarantee the clean ground efficiency of cylinder, the cooperation through drive roller bearing and drive assembly has realized the transmission between cylinder and the brush, has characteristics such as simple structure, low in production cost.

Description

Transmission mechanism and sweeping robot

Technical Field

The utility model relates to a cleaning device field especially relates to a drive mechanism and robot of sweeping floor.

Background

With the continuous improvement of living standard and the development of science and technology, people are pursuing more convenient intelligent life. Aiming at the requirement, a plurality of intelligent robots related to daily life emerge in the market, and the sweeping robot is the most widely applied robot with more intense market competition.

The sweeping robot mainly comprises a roller and a brush, wherein the brush is used for cleaning dust and hair on the surface of the roller so as to ensure the cleaning effect of the roller. In addition, the existing sweeping robot can also be additionally provided with a transmission assembly at the end parts of the roller and the brush, so that the brush can rotate along with the roller, and the cleaning effect is improved.

In order to ensure the efficiency of cleaning the floor, the transverse length of the roller in a common sweeping robot is set to be relatively large, and the transmission assembly is added at the end part of the roller, so that the transverse length of the sweeping robot is increased, the size of the sweeping robot is increased, the sweeping robot is overstaffed, the normal use of the sweeping robot is influenced, and the cleaning efficiency of the roller is influenced by reducing the length of the roller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a drive mechanism and robot of sweeping floor, solve the current problem that the robot of sweeping floor carries out the horizontal length grow of the robot of sweeping floor that the transmission of cylinder and brush leads to.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

in a first aspect, there is provided a drive mechanism for driving a roller and a brush, the drive mechanism comprising: the driving roller, the first mounting seat and the transmission assembly;

one end of the brush and one end of the driving rolling shaft are both rotatably connected with the first mounting seat;

the driving roller is in contact with the roller;

when the roller rotates, the driving rolling shaft rotates along with the roller, the driving rolling shaft drives the brush to rotate through the transmission assembly, and the rotating direction of the brush is the same as that of the roller.

In a first possible implementation manner of the first aspect, the transmission mechanism includes: at least one gum cover;

at least one gum cover is established the surface of drive roller bearing, and with the cylinder contacts, the gum cover is used for through the cylinder drive roller bearing rotates.

Based on the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, at least one positioning groove is formed in the driving roller, each positioning groove corresponds to each rubber sleeve in a one-to-one manner, and each rubber sleeve is respectively sleeved on the corresponding positioning groove.

The positioning groove can reduce the installation difficulty of the rubber sleeve; especially when the length of gum cover is 2cm, the installation of gum cover is dismantled most conveniently.

In a third possible implementation manner of the first aspect, based on the first possible implementation manner of the first aspect, the transmission mechanism includes: and the two rubber sleeves are respectively sleeved at two ends of the driving rolling shaft.

In a fourth possible implementation manner of the first aspect, the transmission assembly includes: a first gear and a second gear;

the first gear is fixedly connected with at least one end of the brush in the circumferential direction, the second gear is fixedly connected with at least one end of the driving rolling shaft in the circumferential direction, and the first gear is meshed with the second gear;

the driving roller drives the brush to rotate through the first gear and the second gear.

Based on the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the first gear is provided with a first hole, and the second gear is provided with a second hole;

the brush is circumferentially and fixedly connected with the first gear through the first hole, and the driving rolling shaft is circumferentially and fixedly connected with the second gear through the second hole.

The arrangement of the first hole and the second hole can effectively prevent the driving roller and the second gear and the brush and the first gear from slipping mutually in a working state.

In a sixth possible implementation manner of the first aspect, based on any one of the above possibilities of the first aspect, the transmission mechanism further includes: a second mounting seat;

the end of the brush, far away from the first mounting seat, and the end of the driving rolling shaft, far away from the first mounting seat, are both rotatably connected with the second mounting seat.

The driving roller two ends are respectively connected with the first mounting seat and the second mounting seat in a rotating mode, the stability of the driving roller in a working state can be guaranteed, and the driving roller is prevented from being in fault due to unstable rotation during working.

In a sixth possible implementation manner of the first aspect, based on any one of the above possibilities of the first aspect, the rubber sleeve is made of a flexible material.

In a seventh possible implementation manner of the first aspect, based on any one of the above possibilities of the first aspect, the surface of the rubber sleeve is provided with anti-skid grains.

In an eighth possible implementation manner of the first aspect, based on any one of the above possibilities of the first aspect, the hardness of the driving roller is greater than the hardness of the rubber sleeve.

The anti-slip lines arranged on the rubber sleeve increase the friction force between the rubber sleeve and the roller 3, and the transmission efficiency of the transmission mechanism is improved to a certain extent; the material and hardness of the rubber sleeve can ensure that the rubber sleeve is not easy to displace during working and is convenient to mount and dismount.

In a ninth possible implementation manner of the first aspect, based on any one of the above possibilities of the first aspect, the transmission mechanism further includes a first bearing and a second bearing; the driving roller is rotatably arranged on the first mounting seat through the first bearing, and the driving roller is rotatably arranged on the second mounting seat through the second bearing.

The first bearing and the second bearing can reduce energy loss when the driving roller works and improve the working efficiency of the whole transmission mechanism.

In a second aspect, a sweeping robot is provided, comprising: a waste bin and a transmission mechanism according to any one of the above possible implementations of the first aspect;

the garbage box is used for containing dust cleaned by the roller through the brush.

The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses a with the laminating setting of drive roller bearing in cylinder one side, can realize under the effect of frictional force that the cylinder drives the drive roller bearing and rotates, again through set up drive assembly between drive roller bearing and brush, can realize that the drive roller bearing is connected with the transmission of brush, then drive the brush and rotate, promptly the utility model discloses under the prerequisite that does not increase the horizontal length of robot of sweeping the floor and guarantee the clean ground efficiency of cylinder, realized the transmission between cylinder and the brush through the cooperation of drive roller bearing and drive assembly, have simple structure, characteristics such as low in production cost.

Drawings

Fig. 1A is a schematic view of a cleaning scenario involving a transmission mechanism according to an embodiment of the present disclosure;

fig. 1B is a schematic structural view of a sweeping robot provided by the present invention;

fig. 2 is a schematic structural diagram of a transmission mechanism provided by the present invention;

fig. 3 is a schematic structural diagram of a first mounting seat provided by the present invention;

fig. 4 is a partially enlarged schematic view of a driving roller according to the present invention;

fig. 5 is a schematic structural diagram of a rubber sleeve provided by the present invention;

fig. 6 is a partially enlarged schematic view of a transmission assembly provided by the present invention;

fig. 7 is a partially enlarged schematic view of another transmission assembly provided by the present invention;

fig. 8 is a schematic structural diagram of a second mounting seat provided by the present invention;

the reference numbers in the drawings are as follows:

10-roller, 20-brush, 30-transmission mechanism, 40-garbage box, 310-first mounting seat, 320-second mounting seat, 330-driving roller, 331-positioning groove, 340-rubber sleeve, 341-annular convex surface, 350-transmission component, 351-first gear, 3511-first hole, 352-second gear, 3521-second hole, 361-first bearing and 362-second bearing.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, for example, the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or position based on the orientation or position shown in the drawings, for convenience of description only, and should not be construed as limiting the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. The meaning of "plurality" is two or more unless explicitly defined otherwise.

In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

With the continuous improvement of living standard and the continuous development of science and technology, people begin to pursue more convenient intelligent life, and intelligent equipment with different functions continuously appears, and the robot of sweeping the floor is the intelligent equipment who produces by oneself.

The sweeping robot may include: the rolling shaft, the roller and the hairbrush can be provided with gears at two ends of the roller, so that the roller and the hairbrush are driven to rotate through the gears, and finally effective cleaning of the roller is achieved. However, due to the volume limitation of the roller structure, it is inconvenient to provide gears on the side of the roller, and therefore a transmission mechanism is needed to drive the roller and the brush to rotate.

Therefore, the embodiment of the application provides a transmission mechanism, and the purpose of driving the roller and the hairbrush to rotate by the roller can be achieved through friction transmission generated between the roller and through gear transmission arranged between the roller and the hairbrush.

In the scene of cleaning that uses drive mechanism, this application embodiment can provide a robot of sweeping floor, includes: the garbage can comprises a garbage box, a roller, a brush and a transmission mechanism; above-mentioned drive mechanism can cooperate with the rubbish box, and the rubbish box is used for accomodating the dust after clearing up the cylinder through the brush.

The transmission mechanism according to the embodiment of the present application will now be described in detail with reference to the accompanying drawings.

First, a cleaning scene related to a transmission mechanism provided in an embodiment of the present application is described.

Referring to fig. 1A, fig. 1A illustrates a cleaning scenario involving a transmission mechanism provided in an embodiment of the present application, where the cleaning scenario may include: a sweeping robot A and dust and sundries B.

Referring to fig. 1B, the sweeping robot a may include: the roller 10, the brush 20, the transmission mechanism 30 and the garbage box 40.

The cleaning scene may be an indoor environment, for example, the cleaning scene may be an office, a home, a classroom, or the like, and the cleaning scene is not limited in the embodiments of the present application.

In the running process of the sweeping robot A, the sweeping robot A can travel in an indoor environment according to a pre-planned route, and in the traveling process, dust and impurities B on the ground are cleaned through the roller 10, so that the dust and impurities B are adhered to the surface of the roller 10, and the ground is cleaned.

Further, in order to improve the adhesion of the drum 10 to the dust and foreign materials B, the drum 10 may be cleaned by the brush 20, so that the cleaned garbage may be loaded into the garbage box 40. Specifically, during the traveling process of the sweeping robot a, the transmission mechanism 30 drives the brush 20 to rotate based on the rotating drum 10, and the rotating direction of the brush 20 is the same as the rotating direction of the drum 10, so that the garbage adhered to the surface of the drum 10 is swept by the brush 20.

The following describes the transmission mechanism 30 of the cleaning robot a in the above cleaning scene. Referring to fig. 2, fig. 3 and fig. 4, fig. 2 is a schematic structural diagram of a transmission mechanism provided by the present invention, fig. 3 is a schematic structural diagram of a first mounting seat provided by the present invention, and fig. 4 is a schematic partial enlarged view of a driving roller provided by the present invention.

As shown in fig. 2 to 4, the transmission mechanism 30 may include: a first mount 310, a drive roller 330, and a drive assembly 350.

Both of the brush 20 and the driving roller 330 may be rotatably connected to the first mounting seat 310, and the driving roller 330 contacts the drum 10.

The inside of the roller 10 is provided with a driving device, and when the driving device drives the roller 10 to rotate, the roller 10 drives the driving roller 330 to rotate reversely under the action of friction force. The driving roller 330 drives the rotation of the fur brush 20 through the transmission assembly 350, and the rotation direction of the fur brush 20 is the same as the rotation direction of the drum 10.

In an alternative embodiment, the transmission mechanism 30 may further include: at least one gum cover 340.

At least one rubber sleeve 340 is sleeved on the outer surface of the driving roller 330 and contacts with the roller 10, and the rubber sleeve 340 is used for driving the driving roller 330 to rotate through the roller 10.

For example, if only one rubber sleeve 340 is provided, the rubber sleeve 340 may be sleeved in the middle of the driving roller 330; if two rubber sleeves 340 are arranged, the two rubber sleeves 340 are respectively sleeved at two ends of the driving rolling shaft 330; wherein, two rubber sleeves 340 are respectively sleeved at two ends of the driving roller 330, so that the rubber sleeves 340 can be conveniently mounted while enough friction force is ensured. If the number of the rubber sleeves 340 is more than one, the plurality of rubber sleeves 340 can be arranged on the driving roller 330 at equal intervals; the arrangement of each rubber sleeve 340 is not particularly limited in the embodiment of the present application.

Further, the driving roller 330 may be provided with at least one positioning groove 331, each positioning groove 331 corresponds to each rubber sleeve 340 one by one, and each rubber sleeve 340 is respectively sleeved on the corresponding positioning groove 331. The positioning groove 331 can improve the efficiency of installation alignment when installing the rubber sleeve 340, and reduces the installation difficulty of the rubber sleeve 340.

It should be noted that, under the condition that the friction force between the rubber sleeve 340 and the roller 10 is enough to drive the transmission assembly 350 and the driving roller 330, the length of the rubber sleeve 340 can be adjusted appropriately, so that the installation and maintenance of the rubber sleeve 340 are more convenient, and at the same time, the probability that the rubber sleeve 340 is stained with dust and hair on the roller 10 can be reduced, and the normal transmission between the rubber sleeve 340 and the roller 10 is ensured. For example, the length of the rubber sleeve 340 may be 2 centimeters (cm), and the length of the rubber sleeve 340 is not particularly limited in the embodiments of the present application.

In addition, in practical applications, the number of the rubber sleeve 340 and the number of the positioning groove 331 are equal, and the rubber sleeve 340 and the positioning groove 331 can be used together, but the specific number of the rubber sleeve 340 can be adjusted appropriately, the number can be increased when the friction force needs to be increased, and the number can be decreased when the friction force needs to be decreased.

It should be noted that the rubber sleeve 340 may be made of a flexible material, so as to facilitate installation and later maintenance and replacement of the rubber sleeve 340, and to increase the friction between the driving roller 330 and the drum 10 to some extent. In addition, the surface of the rubber sleeve 340 can be provided with anti-slip lines, so that the friction force between the rubber sleeve 340 and the roller 10 can be increased, and the transmission efficiency of the transmission mechanism 30 can be improved to a certain extent. In addition, the hardness of the driving roller 330 is greater than that of the rubber sleeve 340, so that in a working state, the stability between the rubber sleeve 340 and the driving roller 330 can be maintained, the rubber sleeve 340 is not easy to displace, and machine failure is avoided.

In another embodiment, referring to fig. 5, the transmission mechanism may further include only one rubber sleeve 340, wherein at least two annular convex surfaces 341 are spaced on the surface of the rubber sleeve 340, each annular convex surface 341 contacts with the roller 10, and the length of the rubber sleeve 340 is 50% to 90% of the length of the driving roller 330.

The increased annular convex surface 341 can reduce the contact surface between the rubber sleeve 340 and the roller 10, reduce the probability that the rubber sleeve 340 is stained with dust and hair on the surface of the roller 10, and ensure the normal transmission between the driving roller 330 and the roller 10; the length of the rubber sleeve 340 is limited to be 50% to 90% of the length of the driving roller 330, so that the connection stability of the rubber sleeve 340 and the driving roller 330 can be ensured, the position of the annular convex surface 341 on the rubber sleeve 340 can be ensured only by adjusting the position of the rubber sleeve 340, the positioning groove 331 is not required to be additionally arranged on the driving roller 330, and the production cost is effectively reduced.

It should be noted that, drive roller 330 is the metal pole, and the cost of carrying out constant head tank 331 processing is higher, and this application need not to set up constant head tank 331 and also can guarantee that annular convex surface 341 position is stable through setting up annular convex surface 341 on the gum cover that a length is longer, can effectual reduction in production cost.

In another alternative embodiment, referring to fig. 2 and 6, fig. 6 is a partially enlarged schematic view of a transmission assembly provided by the present invention. The transmission assembly 350 may include: a first gear 351 and a second gear 352.

The first gear 351 is fixedly connected to at least one end of the fur brush 20 in a circumferential direction, the second gear 352 is fixedly connected to at least one end of the driving roller 330 in a circumferential direction, the first gear 351 and the second gear 352 are engaged with each other, and the driving roller 330 can drive the fur brush 20 to rotate through the first gear 351 and the second gear 352.

Specifically, when the drum 10 rotates, the drum 10 drives the driving roller 330 to rotate in the opposite direction, the driving roller 330 drives the second gear 352 to rotate, the first gear 351 rotates along with the second gear 352, and correspondingly, the first gear 351 drives the brush 20 to rotate, so that the brush 20 rotates in the same direction as the drum 10, thereby cleaning the drum 10.

Further, referring to fig. 6 and 7, fig. 7 is a partially enlarged schematic view of another transmission assembly provided by the present invention. The first gear 351 may be provided with a first hole 3511, and the second gear 352 may be provided with a second hole 3521. The brush 20 may be circumferentially and fixedly connected to the first gear 351 through the first hole 3511, and the driving roller 330 may be circumferentially and fixedly connected to the second gear 352 through the second hole 3521, so that slipping between the driving roller 330 and the second gear 352 and between the brush 20 and the first gear 351 in an operating state may be effectively prevented, and reliability of transmission performed by the transmission mechanism 30 may be improved.

In practical applications, the shapes of the first holes 3511 and the second holes 3521 may be regular patterns or irregular patterns, which is not limited in the embodiments of the present application. For example, the first hole 3511 may be semicircular and the second hole 3521 may be rectangular. The embodiments of the present application do not limit the specific shapes of the first hole 3511 and the second hole 3521.

In an alternative embodiment, referring to fig. 2 and 8, the transmission mechanism 30 may further include: a second mount 320.

The end of the brush 20 away from the first mounting seat 310 and the end of the driving roller 330 away from the first mounting seat 310 are rotatably connected to the second mounting seat 320, so as to ensure the stability of the driving roller 330 during operation.

It should be noted that, referring to fig. 2, the transmission mechanism 30 provided in the embodiment of the present application may further include: a first bearing 361 and a second bearing 362.

The driving roller 330 may be rotatably disposed on the first mounting seat 310 through a first bearing 361, the driving roller 330 may be rotatably disposed on the second mounting seat 320 through a second bearing 362, and the first bearing 361 and the second bearing 362 may be disposed to reduce energy loss during operation of the driving roller 330, thereby further improving transmission efficiency of the transmission mechanism 30.

In summary, the embodiment of the present application provides a transmission mechanism, which includes a first mounting seat 310, a driving roller 330, and a transmission assembly 350; one end of the brush 20 and one end of the driving roller 330 are rotatably connected to the first mounting seat 310; the driving roller 330 is in contact with the drum 10. Friction transmission is performed by the friction force between the roller 10 and the driving roller 330, and the driving roller 330 can rotate based on the rotation of the roller 10 by driving the brush 20 without arranging a gear between the roller 10 and the driving roller 300, so that not only can the space occupied by the roller be reduced, but also the flexibility and convenience of the roller driving brush and the driving roller can be improved. Through setting up the laminating of drive roller bearing 330 in cylinder 10 one side, can realize under the effect of frictional force that cylinder 10 drives drive roller bearing 330 and rotates, the rethread sets up drive assembly 350 between drive roller bearing 330 and brush 20, can realize that roller bearing 10 is connected with the transmission of brush 20, drives brush 20 then and rotates, promptly the utility model discloses under the prerequisite that does not increase the robot lateral length of sweeping the floor, realized the transmission between cylinder 10 and the brush 20 through the cooperation of roller bearing 10 and drive assembly 350, have simple structure, characteristics such as low in production cost.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims

1. A drive mechanism for driving a roller and a brush, the drive mechanism comprising: the hair brush comprises a driving rolling shaft, a first mounting seat and a transmission assembly, wherein one end of the hair brush and one end of the driving rolling shaft are rotatably connected with the first mounting seat;

the driving roller is in contact with the roller, when the roller rotates, the driving roller rotates along with the roller, the driving roller drives the hairbrush to rotate through the transmission assembly, and the rotating direction of the hairbrush is the same as that of the roller.

2. The transmission mechanism as claimed in claim 1, wherein the transmission mechanism comprises: at least one gum cover;

3. The transmission mechanism according to claim 2, wherein the driving roller has at least one positioning groove, each positioning groove corresponds to each rubber sleeve, and each rubber sleeve is sleeved on the corresponding positioning groove.

4. The transmission mechanism as claimed in claim 2, characterized in that it comprises: and the two rubber sleeves are respectively sleeved at two ends of the driving rolling shaft.

5. The transmission mechanism according to claim 2, wherein the transmission mechanism comprises a rubber sleeve, the outer surface of the rubber sleeve is provided with at least two annular convex surfaces at intervals, and each annular convex surface is in contact with the roller; the length of the rubber sleeve is 50% to 90% of the length of the driving roller.

6. The transmission mechanism as recited in claim 1, wherein the transmission assembly comprises: a first gear and a second gear;

the first gear is circumferentially and fixedly connected with at least one end of the brush, the second gear is circumferentially and fixedly connected with at least one end of the driving rolling shaft, and the first gear is meshed with the second gear;

7. The transmission mechanism according to any one of claims 1 to 6, further comprising: a second mounting seat;

8. The transmission mechanism according to any one of claims 2 to 5, wherein the rubber sleeve is a flexible material; and/or the surface of the rubber sleeve is provided with anti-skid lines.

9. The transmission mechanism according to any one of claims 2 to 5, wherein the hardness of the drive roller is greater than the hardness of the gum cover.

10. A robot of sweeping floor, characterized in that, the robot of sweeping floor includes: a waste bin and a drive mechanism according to any one of claims 1 to 9;