CN220423833U - Cleaning robot - Google Patents

Abstract

Cleaning robot relates to cleaning equipment technical field. The cleaning robot comprises a shell, wherein a driving module used for driving the cleaning robot to move on a plane to be cleaned and a cleaning element used for being in contact with the plane to be cleaned to execute a cleaning function are arranged at the bottom of the shell, an auxiliary cleaning mechanism used for executing the cleaning function on the plane to be cleaned in advance of the cleaning element in the travelling direction is further arranged at the bottom of the shell, the auxiliary cleaning mechanism comprises a movable plate movably mounted at the bottom of the shell and positioned in front of the cleaning element, a cleaning brush used for being in contact with the plane to be cleaned to execute the cleaning function is arranged on the movable plate, and a driving device used for driving the movable plate to move at the bottom of the shell to enable the cleaning brush to execute the cleaning function on the plane to be cleaned is arranged on the shell. The utility model can prolong the service time of the cleaning element, reduce the frequency of replacing the cleaning element, and improve the cleaning efficiency.

Description

Cleaning robot

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a cleaning robot.

Background

In existing cleaning robots, such as window cleaning robots, it is common to perform a cleaning task with a single cleaning element (e.g. a single piece of cloth) in contact with a smooth surface to be cleaned (e.g. a glazing, a glass curtain wall, etc.), which has the following drawbacks: when the cleaning area is dirty, the cleaning cloth becomes dirty after the cleaning part of the area is wiped, if the cleaning task is continuously executed, the cleaning effect of the residual area is affected, therefore, the robot is usually required to be returned, the cleaning work is continuously carried out after the cleaning cloth is replaced, but the whole cleaning efficiency is not high due to the fact that the cleaning cloth is frequently replaced.

Disclosure of Invention

The utility model aims to provide a cleaning robot which can prolong the service time of rags, reduce the frequency of rag replacement and improve the cleaning efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the cleaning robot comprises a shell, wherein a driving module used for driving the cleaning robot to move on a plane to be cleaned and a cleaning element used for being in contact with the plane to be cleaned to execute a cleaning function are arranged at the bottom of the shell, an auxiliary cleaning mechanism used for executing the cleaning function on the plane to be cleaned before the cleaning element in the travelling direction is further arranged at the bottom of the shell, the auxiliary cleaning mechanism comprises a movable plate movably mounted at the bottom of the shell and positioned in front of the cleaning element, a cleaning brush used for being in contact with the plane to be cleaned to execute the cleaning function is arranged on the movable plate, and a driving device used for driving the movable plate to move on the bottom of the shell to enable the cleaning brush to execute the cleaning function on the plane to be cleaned is arranged on the shell.

Preferably, the movable plate is provided with an air outlet communicated with the inner cavity of the shell, and the air outlet is close to the cleaning brush and can blow air to the plane to be cleaned when the cleaning brush performs a cleaning function on the plane to be cleaned.

Further, the air outlet comprises a plurality of through holes which are arranged at intervals along the length direction of the movable plate, and the cleaning hairbrush is strip-shaped and is arranged on one side or two sides of the air outlet.

Preferably, the moving direction of the movable plate is perpendicular to the traveling direction of the housing.

Preferably, a gap is reserved between the upper end face of the movable plate and the bottom face of the shell, and an elastic piece is arranged between the upper end face of the movable plate and the bottom face of the shell, when the movable plate moves towards the plane to be cleaned, the elastic piece is caused to elastically deform, and the elastic force formed by the elastic piece acts on the shell to apply a force directed towards the plane to be cleaned to the shell.

Further, the elastic component includes the spring and connects the movable rod at the spring both ends, be provided with the toper limiting cap on the casing and be provided with the toper depressed part in the toper limiting cap, be provided with the toper constant head tank on the fly leaf, the movable rod outside end at spring both ends all is the toper and supports respectively in toper depressed part and toper constant head tank, the tapering of movable rod outside end is less than the tapering of toper depressed part and toper constant head tank, so that the movable rod can swing together along with the reciprocating motion of fly leaf.

Preferably, the shell is provided with a guide groove, the movable plate is provided with a limiting protruding portion, the limiting protruding portion is installed in the guide groove and can move along the guide groove, and the driving device comprises an eccentric wheel connected with the movable plate and a driving motor for driving the eccentric wheel to rotate so as to drive the movable plate to reciprocate along the guide groove.

Further, the movable plate both sides are provided with the bar locating hole, be provided with the locating lever on the casing, the locating lever is installed in the bar locating hole and can be in wherein with spacing bellying syntropy removal, the tip of locating lever is provided with the anticreep portion that prevents that it from deviating from in the bar locating hole.

Further, a strip-shaped slot hole is formed in the movable plate, an eccentric shaft rod on the eccentric wheel is installed in the strip-shaped slot hole in a clearance mode, and the eccentric shaft rod can slide back and forth in the strip-shaped slot hole under the rotation action of the eccentric wheel and drive the movable plate to move back and forth.

Preferably, a scraper bar is provided between the cleaning element and the auxiliary cleaning mechanism.

According to the utility model, the auxiliary cleaning mechanism which is used for executing the cleaning function on the plane to be cleaned before the cleaning elements (rags) are arranged in the travelling direction of the cleaning robot, and the auxiliary cleaning mechanism can be used for pre-cleaning before the cleaning elements reach the target area, so that the target area is not dirty any more, the cleaning difficulty and degree of the cleaning elements can be reduced, the dirty time of the cleaning elements is delayed, the service time of the cleaning elements is prolonged, the time interval for replacing the cleaning elements is prolonged, the frequency for replacing the cleaning elements is reduced, the cleaning efficiency is improved, and compared with the cleaning task executed by a single cleaning element, the auxiliary cleaning mechanism is matched with the cleaning elements, and the cleaning effect is better.

Drawings

Fig. 1 is a perspective view of a cleaning robot;

FIG. 2 is a second perspective view of the cleaning robot;

fig. 3 is a perspective view three of the cleaning robot, in which the auxiliary cleaning mechanism is omitted;

fig. 4 is a perspective view of a cleaning robot, in which the auxiliary cleaning mechanism is omitted;

FIG. 5 is a top view of a cleaning robot;

FIG. 6 is a cross-sectional view taken along the direction B-B in FIG. 5;

FIG. 7 is a perspective view of the elastic member;

FIG. 8 is a perspective view of an auxiliary cleaning mechanism;

FIG. 9 is a second perspective view of the auxiliary cleaning mechanism;

fig. 10 is a third perspective view of the auxiliary cleaning mechanism.

In the figure:

1-housing 2-drive module 3-cleaning element

4-auxiliary cleaning mechanism 4 a-movable plate 4a 1-air outlet

4 b-cleaning brush 4 c-driving device 4c 1-eccentric wheel

4c 2-drive motor 4c 3-eccentric shaft 4c 4-center shaft

5-elastic piece 5 a-spring 5 b-movable rod

6-conical limiting cover 6 a-conical concave part 7-conical positioning groove

8-guide slot 9-limit boss 10-strip-shaped positioning hole

11-positioning rod 11 a-anti-drop part 12-bar-shaped slotted hole

13-scraping strip 14-chamber 15-suction module

16-limit slot 17-limit rod piece.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In order to facilitate a clearer understanding of the concept of the present utility model by those skilled in the art, a further description thereof will be provided with reference to examples and drawings.

In conventional cleaning robots (window cleaning robots), a cleaning operation is performed on a surface to be cleaned (e.g. a glass window, a glass curtain wall, etc.) by means of a single annular wipe, and this wipe is usually removable and replaceable. However, cleaning robots often encounter situations where a cleaning task is performed in a dirty area to be cleaned, requiring a new wipe to be changed for a short period of time, and frequent changing of the wipe can result in inefficiency of the overall cleaning. Based on this, this embodiment adds an auxiliary cleaning mechanism on the basis that current cleaning robot only sets up single cleaning element, in its direction of travel for when cleaning element carries out current regional cleaning work, can clear up the place ahead region in advance for cleaning element is when removing here, and clean degree can also reduce to some extent, thereby makes cleaning element not become very dirty so fast (dirty degree refers to the degree that needs to change new rag), can reduce the frequency of returning the robot and changing the rag, and then improves cleaning efficiency.

As shown in fig. 1 to 10, the cleaning robot of the present embodiment includes a housing 1, a chamber 14 is constructed at the bottom of the housing 1 and air in the chamber 14 is drawn by a suction module 15 to form negative pressure to be adsorbed on a plane to be cleaned, a driving module 2 for driving the same to move on the plane to be cleaned and a cleaning member 3 for contacting the plane to be cleaned to perform a cleaning function are provided at the bottom of the housing 1, the driving module 2 includes a transmission belt, a transmission wheel and a motor for driving the transmission wheel to rotate, an auxiliary cleaning mechanism 4 for performing the cleaning function on the plane to be cleaned prior to the cleaning member 3 in a traveling direction is further provided at the bottom of the housing 1, the auxiliary cleaning mechanism 4 includes a movable plate 4a movably mounted at the bottom of the housing 1 and positioned in front of the cleaning member 3, a cleaning brush 4b for contacting the plane to be cleaned to perform the cleaning function is provided at the bottom of the housing 1, and a driving device 4c for driving the movable plate 4a to move at the bottom of the housing 1 to perform the cleaning function on the plane to be cleaned is provided. The cleaning elements 3 may be a cloth or a sponge, which may be ring-shaped and which is looped around the drive module 2. The present embodiment specifically describes a wipe in which the cleaning elements 3 are annular.

The auxiliary cleaning mechanism 4 performs a cleaning function on a plane to be cleaned before the cleaning element 3 in the moving direction of the robot, it can be understood that before the cleaning element 3 reaches a target area, the auxiliary cleaning mechanism 4 firstly cleans the target area, the cleaning brush 4b can clean dust in the target area, so that the area is not too dirty, when the cleaning element 3 reaches the area, the cleaning difficulty and the required cleaning degree can be reduced, the time interval of the cleaning element 3 reaching the dirtying degree required to be replaced can be prolonged, the frequency of returning to the robot to replace rags is reduced, the cleaning efficiency is improved, and the auxiliary cleaning mechanism 4 performs cleaning work on the rear area while performing pre-cleaning, and the cleaning effect is improved to a certain extent when the auxiliary cleaning mechanism 4 and the cleaning brush simultaneously work.

In order to enable the dust cleaned by the cleaning brush 4b to diffuse outwards and away from the cleaning element 3, an air outlet 4a1 communicating with the inner cavity of the housing 1 may be provided on the movable plate 4a, and the air outlet 4a1 is close to the cleaning brush 4b, as shown in fig. 1, 9 and 10, wherein the inner cavity of the housing 1 has air discharged outwards, so that the air outlet 4a1 can blow air outwards, and when the cleaning brush 4b performs the cleaning function on the plane to be cleaned, the air outlet 4a1 can blow air towards the plane to be cleaned, so as to blow the dust cleaned by the cleaning brush 4 b. In order to disperse the air blown out from the air outlet 4a1 and to expand the coverage, the air outlet 4a1 may be provided as a plurality of through holes arranged at intervals along the length direction of the movable plate 4a, which can blow out the dust when the cleaning brush 4b cleans the dust. The cleaning brush 4b may be in a strip shape and disposed at one side or both sides of the air outlet 4a1, the cleaning brush 4b extends along the length direction of the movable plate 4a, and in order to allow dust to spread out toward both sides, the cleaning brush 4b in a strip shape may be disposed at both sides of the air outlet 4a1 so that dust can be blown out toward both sides along a strip-shaped space between the two cleaning brushes 4 b.

The cleaning brush 4b can be driven by the movable plate 4a to move, and the moving direction of the movable plate 4a (i.e. the moving direction of the cleaning brush 4 b) can be inclined to the advancing direction of the casing 1 (i.e. the moving direction of the driving belt, i.e. the advancing direction of the robot) or perpendicular to the advancing direction of the casing 1, so that the pre-cleaning function of the cleaning brush 4b can be realized. The present embodiment preferably has the moving direction of the movable plate 4a perpendicular to the traveling direction of the casing 1 so that the cleaning brush 4b can be moved laterally with respect to the traveling direction of the robot.

In order to make the movable plate 4a reciprocate along the predetermined direction, a guide slot 8 may be provided on the housing 1, a limit protrusion 9 is provided on the movable plate 4a, the limit protrusion 9 is installed in the guide slot 8 and can move along the guide slot 8, and the driving device 4c includes an eccentric wheel 4c1 connected to the movable plate 4a and a driving motor 4c2 for driving the eccentric wheel 4c1 to rotate so as to drive the movable plate 4a to reciprocate along the guide slot 8, as can be seen in fig. 3, 4, 8 and 9. The limiting protruding portion 9 moves along the guide groove 8 to guide the movable plate 4a, so that the movable plate 4a is driven by the driving motor 4c2 and the eccentric wheel 4c1 to do reciprocating linear motion along the guide groove 8. In addition, the limit projection 9 may be an annular structure surrounding the air outlet 4a 1.

In order to further improve the movement stability of the movable plate 4a, a bar-shaped positioning hole 10 may be further provided at both sides of the movable plate 4a, a positioning rod 11 may be provided on the housing 1, the positioning rod 11 may be installed in the bar-shaped positioning hole 10, the positioning rod 11 may be moved in the bar-shaped positioning hole 10 and the movement direction thereof may be identical to that of the limiting boss 9, and the end portion of the positioning rod 11 may be provided with a release preventing portion 11a for preventing the release thereof from the bar-shaped positioning hole 10, as shown in fig. 1, 8, 9 and 10. The retaining portion 11a can prevent the positioning rod 11 from coming out of the bar-shaped positioning hole 10, thereby preventing the movable plate 4a from coming out of the housing 1. When the movable plate 4a moves, the strip-shaped positioning holes 10 synchronously move, so that the positioning rods 11 relatively move, and under the cooperation of the strip-shaped positioning holes 10 and the positioning rods 11, the movable plate 4a can perform a certain guiding function on the movement of the movable plate 4a, and the movable plate 4a can perform linear reciprocating motion better by combining the guiding functions of the limiting protruding parts 9 and the guiding grooves 8. The positioning rod 11 may be a fastener such as a screw or a bolt, and is fixed on the housing 1 and reserves a movable space for the movable plate 4 a.

In addition, as shown in fig. 8, the eccentric wheel 4c1 may be connected to the movable plate 4a through an eccentric shaft rod 4c3, a bar-shaped slot 12 is provided on the movable plate 4a, the eccentric shaft rod 4c3 on the eccentric wheel 4c1 is installed in the bar-shaped slot 12 in a gap, and the eccentric shaft rod 4c3 can slide back and forth in the bar-shaped slot 12 under the rotation action of the eccentric wheel 4c1 and drive the movable plate 4a to reciprocate. The central shaft lever 4c4 on the other end face of the eccentric 4c1 is connected to the output shaft of the drive motor 4c 2. The casing 1 may further be provided with another limiting slot 16, the movable plate 4a is provided with a limiting rod 17, the bar-shaped slot 12 is disposed on the limiting rod 17, the limiting rod 17 is slidably mounted in the limiting slot 16, and when the eccentric shaft lever 4c3 moves in the bar-shaped slot 12, the limiting rod 17 can be driven to move in the limiting slot 16, so as to drive the movable plate 4a to move, wherein the limiting slot 16 can also limit and guide the movable plate 4 a.

In this embodiment, a gap may be provided between the upper end surface of the movable plate 4a and the bottom surface of the housing 1, and an elastic member 5 is disposed therebetween, such that the elastic member 5 is elastically deformed when the movable plate 4a moves toward the plane to be cleaned, and the elastic force formed by the elastic member 5 acts on the housing 1 to apply a force directed toward the plane to be cleaned thereto. As shown in fig. 6 and 7, the elastic member 5 includes a spring 5a and a movable rod 5b connected to two ends of the spring 5a, a conical limiting cover 6 is disposed on the housing 1, a conical recess 6a is disposed in (top of) the conical limiting cover 6, a conical positioning groove 7 is disposed on the movable plate 4a, outer ends of the movable rod 5b at two ends of the spring 5a are tapered and respectively abutted to the conical recess 6a and the conical positioning groove 7, and taper of outer ends of the movable rod 5b is smaller than taper of the conical recess 6a and taper of the conical positioning groove 7, so that the movable rod 5b can swing together along with reciprocating movement of the movable plate 4 a. The conical limit cover 6 is provided with a movable space in which the movable rod 5b swings, the spring 5a and the movable rods 5b at the two ends of the spring can be positioned in the conical limit cover 6, and the movable rod 5b at the lower end of the spring exceeds a part of the bottom of the conical limit cover 6. The inner cross section of the conical limiting cover 6 is conical, and when the spring 5a and the movable rod 5b swing in the conical limiting cover, the side parts of the spring 5a and the movable rod can be propped against the inclined inner side wall of the conical limiting cover 6, so that the overlarge swing angle is avoided. The spring 5a can generate elastic thrust to the movable rod 5b, so that not only can the gap between the movable plate 4a and the shell 1 be ensured and the friction is reduced, but also the movable plate 4a can be better attached to a plane to be cleaned under elastic acting force, so that the cleaning capacity is stronger. When the movable plate 4a moves, the movable rod 5b propped in the conical positioning groove 7 can be driven to move together, and the rear end of the movable rod 5b is connected with the other movable rod 5b in the conical limiting cover 6 through the spring 5a, so that the whole elastic piece 5 can form elastic swing.

Furthermore, a wiper strip 13 can be provided between the cleaning element 3 and the auxiliary cleaning device 4, the wiper strip 13 likewise being arranged in the direction of travel of the housing 1, i.e. in front of the cleaning element 3, see fig. 1, 4. When the cleaning work is performed, the scraping strip 13 can scrape part of dirt in front of the travelling of the cleaning element 3, and can also lighten the cleaning difficulty and the cleaning degree for the cleaning element 3 and delay the dirtying time of the cleaning element 3, thereby reducing the frequency of replacing the cleaning element 3 and improving the cleaning efficiency. At the same time, the scraping strip 13 can also play a role of blocking dust cleaned by the cleaning brush 4b and prevent the dust from being blown off by the cleaning elements 3 (rags) at the rear. Wherein the wiper strip 13 may be linearly distributed and parallel to the moving direction of the movable plate 4 a.

In summary, the present embodiment, by providing the auxiliary cleaning mechanism 4 that performs the cleaning function on the plane to be cleaned prior to the cleaning elements 3 (rags) in the traveling direction of the cleaning robot, can perform the pre-cleaning by using the auxiliary cleaning mechanism 4 before the cleaning elements 3 reach the target area, so that the target area is not dirty any more, the difficulty and degree of cleaning of the cleaning elements 3 can be reduced, the time for the cleaning elements 3 to become dirty can be delayed, the service time of the cleaning elements 3 can be prolonged, the time interval for replacing the cleaning elements 3 can be prolonged, the frequency for replacing the cleaning elements 3 can be reduced, the cleaning efficiency can be improved, and the auxiliary cleaning mechanism 4 can be matched with the cleaning elements 3 in comparison with the cleaning task performed by a single cleaning element 3.

The above embodiments are preferred embodiments of the present utility model, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present technical solution.

In order to facilitate understanding of the improvements of the present utility model over the prior art, some of the figures and descriptions of the present utility model have been simplified, and some other elements have been omitted from this document for clarity, as will be appreciated by those of ordinary skill in the art.

Claims (10)

1. Cleaning robot, including casing (1), the bottom of casing (1) is provided with and is used for driving its drive module (2) that is used for waiting to clean the plane and is used for with waiting to clean the clean plane contact in order to carry out cleaning function's cleaning element (3), its characterized in that: the bottom of casing (1) still is provided with auxiliary cleaning mechanism (4) that are used for preceding cleaning element (3) in the direction of travel and carry out cleaning function to the clean plane, auxiliary cleaning mechanism (4) are including movable mounting in casing (1) bottom and be located fly leaf (4 a) in cleaning element (3) the place ahead, be provided with on fly leaf (4 a) be used for with wait to clean plane contact in order to carry out cleaning function's cleaning brush (4 b), be provided with on casing (1) be used for driving fly leaf (4 a) and remove in casing (1) bottom so that cleaning brush (4 b) are treated to clean plane and are carried out cleaning function's drive arrangement (4 c).

2. The cleaning robot according to claim 1, characterized in that the movable plate (4 a) is provided with an air outlet (4 a 1) communicating with the inner cavity of the housing (1), the air outlet (4 a 1) being close to the cleaning brush (4 b) and being capable of blowing air to the plane to be cleaned when the cleaning brush (4 b) performs a cleaning function to the plane to be cleaned.

3. The cleaning robot according to claim 2, wherein the air outlet (4 a 1) includes a plurality of through holes provided at intervals along a length direction of the movable plate (4 a), and the cleaning brush (4 b) is elongated and provided at one side or both sides of the air outlet (4 a 1).

4. The cleaning robot according to claim 1, characterized in that the moving direction of the movable plate (4 a) and the traveling direction of the housing (1) are perpendicular.

5. The cleaning robot according to any one of claims 1 to 4, characterized in that a gap is left between the upper end surface of the movable plate (4 a) and the bottom surface of the housing (1) and an elastic member (5) is provided therebetween, the movable plate (4 a) moves toward the plane to be cleaned to cause elastic deformation of the elastic member (5), and an elastic force formed by the elastic member (5) acts on the housing (1) to apply a force directed toward the plane to be cleaned thereto.

6. The cleaning robot according to claim 5, wherein the elastic member (5) comprises a spring (5 a) and a movable rod (5 b) connected to two ends of the spring (5 a), a conical limiting cover (6) is arranged on the shell (1), a conical concave portion (6 a) is arranged in the conical limiting cover (6), a conical positioning groove (7) is arranged on the movable plate (4 a), the outer ends of the movable rods (5 b) at two ends of the spring (5 a) are conical and respectively abutted to the conical concave portion (6 a) and the conical positioning groove (7), and the taper of the outer ends of the movable rods (5 b) is smaller than that of the conical concave portion (6 a) and the conical positioning groove (7), so that the movable rods (5 b) can swing together with the reciprocating movement of the movable plate (4 a).

7. The cleaning robot according to claim 1, characterized in that the housing (1) is provided with a guide groove (8), the movable plate (4 a) is provided with a limit protrusion (9), the limit protrusion (9) is installed in the guide groove (8) and can move along the guide groove (8), and the driving device (4 c) comprises an eccentric wheel (4 c 1) connected with the movable plate (4 a) and a driving motor (4 c 2) for driving the eccentric wheel (4 c 1) to rotate so as to drive the movable plate (4 a) to reciprocate along the guide groove (8).

8. The cleaning robot according to claim 7, wherein the movable plate (4 a) is provided with bar-shaped positioning holes (10) on both sides, the housing (1) is provided with positioning rods (11), the positioning rods (11) are installed in the bar-shaped positioning holes (10) and can move in the same direction as the limit protrusions (9), and the end portions of the positioning rods (11) are provided with anti-falling portions (11 a) for preventing the positioning rods from falling out of the bar-shaped positioning holes (10).

9. The cleaning robot according to claim 7, wherein the movable plate (4 a) is provided with a bar-shaped slot hole (12), an eccentric shaft lever (4 c 3) on the eccentric wheel (4 c 1) is installed in the bar-shaped slot hole (12) in a clearance manner, and the eccentric shaft lever (4 c 3) can slide back and forth in the bar-shaped slot hole (12) under the rotation action of the eccentric wheel (4 c 1) and drive the movable plate (4 a) to reciprocate.

10. A cleaning robot according to claim 1, characterized in that a scraper bar (13) is arranged between the cleaning element (3) and the auxiliary cleaning mechanism (4).