CN219613775U - Self-moving surface cleaning machine - Google Patents

Abstract

The utility model relates to a self-moving surface cleaning machine, and belongs to the technical field of cleaning equipment. The cleaning roller assembly comprises a roller brush, a floatable roller brush frame, a roller brush cavity arranged on the roller brush frame, a bottom scraping strip positioned behind the roller brush cavity and a decontamination scraping strip positioned in the roller brush cavity; the roller brush is installed in the roller brush cavity, the rear side wall in the roller brush cavity is provided with a dirt sucking mouth, one end side of the roller brush frame is provided with a driving shaft, one end of the driving shaft penetrates through the side wall of the roller brush frame through a bearing to be connected with the roller brush, the other end of the driving shaft is connected with a driving device through a first transmission structure, a dirt sucking mouth attached to the dirt sucking mouth is formed between the bottom scraping strip and the roller brush, and the roller brush frame drives the roller brush and the scraping strip to float synchronously, so that the size change of the dirt sucking mouth is relatively stable. Avoid because the bottom scrapes the strip and warp and lead to the dirt absorbing mouth to take place the suction to weaken after deformation, influence clean effect.

Description

Self-moving surface cleaning machine

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a self-moving surface cleaning machine.

Background

With the sustainable development of social productivity, the mechanized and automatic equipment gradually replaces heavy manual labor of people, most mops are used for washing and mopping the floor before, a great deal of manpower is wasted, and after the mops mopping the floor, the floor is not easy to dry or the drying time is long. On the basis, the floor washing machine generates when the floor washing machine is applied, the floor washing machine replaces the mopping labor of human beings, the labor force can be effectively saved, and a great amount of time of the human beings is saved; however, the conventional floor washing structure of the floor washing machine has the problems that when the floor washing structure of the floor washing machine is used for surface cleaning, the scraping strip is easily damaged by the uneven surface, and the dirt suction opening is deformed to reduce the suction force of the dirt suction opening due to deformation of the scraping strip, so that the cleaning effect is affected.

Disclosure of Invention

The utility model aims to provide a self-moving surface cleaning machine, which drives a rolling brush bottom scraping strip to synchronously float through the floating arrangement of a roller brush frame, and can be self-adaptively lifted when encountering an uneven surface, so that the pollution suction port is prevented from deforming, and the cleaning effect is prevented from being influenced.

In order to achieve the above purpose, the self-moving surface cleaning machine comprises a driving wheel, universal wheels and a cleaning roller assembly, wherein the universal wheels and the cleaning roller assembly are respectively arranged at the front end and the rear end of the driving wheel, the driving wheel is provided with a floatable driving cantilever, and the cleaning roller assembly comprises a roller brush, a floatable roller brush frame, a roller brush cavity arranged on the roller brush frame, a bottom scraping strip arranged behind the roller brush cavity and a decontamination scraping strip arranged in the roller brush cavity; the roller brush is installed in the roller brush cavity, a dirt sucking mouth is arranged on the rear side wall of the roller brush cavity, a driving shaft is arranged on one end side of the roller brush frame, one end of the driving shaft penetrates through the side wall of the roller brush frame through a bearing to be connected with the roller brush, the other end of the driving shaft is connected with a driving device through a first transmission structure, a dirt sucking mouth attached to the dirt sucking mouth is formed between the bottom scraping strip and the roller brush, and the roller brush frame drives the roller brush and the scraping strip to float synchronously, so that the size change of the dirt sucking mouth is relatively stable.

Optionally, in an embodiment, a positioning shaft is disposed at the other end of the roller brush holder, the positioning shaft is connected to one end of the roller brush opposite to the driving shaft, the positioning shaft is a driven rotating shaft or the positioning shaft is a fixed shaft, and a rotating bearing is disposed at one end of the roller brush opposite to the driving shaft.

Optionally, in one embodiment, the decontaminating wiper strip is located above the dirt pickup nozzle.

Optionally, in one embodiment, the bottom scraping strip is a soft scraping strip made of silica gel, and a front end of the bottom scraping strip extends to the dirt absorbing port.

Optionally, in one embodiment, the cleaning roller assembly further comprises a lifting motor for lifting the roller brush holder, the lifting motor being lifted off the surface to be cleaned by a swing link or a gear driven roller brush holder.

Alternatively, in one embodiment, the lifting motor is connected to the middle part of the roller brush frame or the middle part is biased toward one end of the driving shaft.

Optionally, in one embodiment, the distance D1 between the universal wheel and the drive wheel is greater than the distance D2 between the scrub roller assembly and the drive wheel.

Optionally, in one embodiment, the cleaning device further comprises a water tank assembly, wherein the water tank assembly comprises a clean water tank and a water supply port for supplying cleaning liquid to the roller brush or the surface to be cleaned is arranged, and the water supply port is a plurality of water supply ports.

Alternatively, in one embodiment, the tank assembly includes a foul water tank combined with a fresh water tank into a detachable unit.

Optionally, in one embodiment, the water tank assembly is disposed behind the scrub roller assembly, and the water tank assembly at least partially overlies the scrub roller assembly.

Compared with the prior art, the utility model has the following advantages:

the self-moving surface cleaning machine provided by the utility model has the advantages that the roller brush frame is arranged in a floating mode, and the roller brush, the bottom scraping strip and the decontamination scraping strip are all arranged or fixed on the roller brush frame, and the roller brush frame can drive the roller brush and the scraping strip to realize synchronous floating. When the self-moving surface cleaner encounters an uneven surface in the process of cleaning the surface, the roller brush frame can be controlled to be lifted, and meanwhile, the roller brush, the bottom scraping strip and the decontamination scraping strip are synchronously lifted, so that on one hand, the bottom scraping strip is far away from the uneven surface, and deformation and even damage of the bottom scraping strip in the process of contacting and scraping the uneven surface are avoided; on the other hand for the dirt absorbing mouth that forms between roller brush and the bottom scraping strip keeps away from the rugged surface, avoids because the bottom scraping strip warp and leads to the dirt absorbing mouth to take place the suction to weaken after deformation, influences cleaning effect.

Drawings

FIG. 1 is a bottom view of a self-moving surface cleaning machine according to an embodiment of the present utility model;

FIG. 2 is a perspective view of a self-moving surface cleaning machine according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a self-moving surface cleaning machine according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a self-moving surface cleaning machine according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a cleaning roller assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a cleaning roller assembly according to an embodiment of the present utility model;

fig. 7 is a schematic structural view of a roller brush holder according to an embodiment of the present utility model.

Reference numerals:

100-organism; 110-a drive wheel; 111-driving the cantilever; 120-universal wheels; 130-cleaning roller assembly; 131-a roller brush; 132—roller brush holder; 1321-drive shaft; 1322—positioning a shaft; 1323-chute; 133-a roller brush chamber; 134-bottom wiper strip; 135-decontamination scraping bar; 136-a dirt suction nozzle; 1361-soil pick-up port; 1362-soil pick-up duct; 137-lift motor; 138-screw rod; 139-a decelerator; 140-a first transmission structure; 150-a driving device; 160-a clean water tank; 170-a sewage tank; 180-a water supply pipe; 190-vacuum pumping device.

Detailed Description

The present utility model will be further described with reference to the following examples and drawings for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, based on the described embodiments, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. As used in this specification, the word "comprising" or "comprises", and the like, means that the element or article preceding the word is meant to encompass the element or article listed thereafter and equivalents thereof without excluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1 and 2, the self-moving surface cleaning machine provided in the embodiment of the present utility model includes a machine body 100, a driving wheel 110, a universal wheel 120 and a cleaning roller assembly 130 are disposed at the bottom of the machine body 100, the universal wheel 120 and the cleaning roller assembly 130 are disposed at front and rear ends of the driving wheel 110, the driving wheel 110 can drive the machine body 100 to move, the universal wheel 120 and the driving wheel 110 cooperate to implement steering and movement of the self-moving surface cleaning machine, the driving wheel 110 is provided with a floatable driving cantilever 111, the driving cantilever 111 can be used for lifting detection of the machine body, specifically, when the machine body 100 is manually held by a user, the driving cantilever 111 can drive the driving wheel 110 to pop up towards the bottom of the machine body, and lifting detection is performed by a detection element such as a micro switch mounted at the top of the driving wheel 110, when the driving wheel 110 is not popped up, the micro switch is kept in contact with the micro switch, the micro switch is in a triggered state, and when the driving wheel 110 pops up towards the bottom of the machine body, the micro switch is in a non-triggered state, so that lifting of the machine body 100 can be detected. In addition, by providing the driving cantilever 111, the driving wheels 110 can be adaptively adjusted during the movement of the machine body 100, for example, when the machine body 100 encounters uneven ground, the two driving wheels 110 can be adaptively abutted to the ground, so as to avoid rollover of the machine body 100.

The self-moving surface cleaning machine can be, but is not limited to, a cleaning device such as a floor washing machine, a suction and drag integrated machine and the like.

Referring to fig. 2 to 5, the cleaning roller assembly 130 of the present embodiment includes a roller brush 131, a floatable roller brush holder 132, a roller brush chamber 133 provided on the roller brush holder 132, a bottom wiper 134 located behind the roller brush chamber 133, and a cleaning wiper 135 located in the roller brush chamber 133. The roller brush 131 is installed in the roller brush cavity 133, the back lateral wall in the roller brush cavity 133 is equipped with the soil pick-up mouth 136, one end side of roller brush holder 132 is equipped with drive shaft 1321, the one end of drive shaft 1321 runs through the lateral wall of roller brush holder 132 through the bearing in order to connect roller brush 131, drive arrangement 150 is connected through first transmission structure 140 to the other end of drive shaft 1321, form between end scraping strip 134 and the roller brush 131 and adhere to the soil pick-up mouth 1361 in soil pick-up mouth 136, roller brush holder 132 drives roller brush 131, scrape the strip and float in step, so that the size change of soil pick-up mouth 1361 is steady relatively.

When the self-moving surface cleaner cleans a surface, the driving wheel 110 drives the body 100 to move on the surface, and the roller brush 131 and the bottom wiper 134 contact the surface to clean the surface. Taking fig. 4 as an example, in the cleaning process, the driving device 150 drives the roller brush 131 to rotate clockwise, so that the roller brush 131 rotates and moves on the surface, dirt on the surface is taken away by the roller brush 131 and attached to the roller brush 131, meanwhile, the bottom scraping strip 134 scrapes the dirt on the surface, so that more stubborn dirt falls off from the surface and gathers on one side of the roller brush 131, and cleaning liquid after cleaning the surface gathers on one side of the roller brush 131 and is sucked by the dirt sucking nozzle 136 through the dirt sucking port 1361. In addition, the roller brush 131 is in contact with the decontamination scraping strip 135 in the rotation process, and the decontamination scraping strip 135 scrapes and presses the roller brush 131 to scrape off the dirt attached to the roller brush 131 and is sucked into the dirt suction nozzle 136 under the suction force.

The roller brush frame 132 of this embodiment adopts a floating arrangement, and the roller brush 131, the bottom scraping strip 134 and the decontamination scraping strip 135 are all installed or fixed on the roller brush frame 132, and the roller brush frame 132 can drive the roller brush 131 and the scraping strip to realize synchronous floating. When the self-moving surface cleaner encounters an uneven surface in the process of cleaning the surface, the roller brush frame 132 can be controlled to be lifted, and meanwhile, the roller brush 131, the bottom scraping strip 134 and the decontamination scraping strip 135 are synchronously lifted, so that on one hand, the bottom scraping strip 134 is far away from the uneven surface, and the bottom scraping strip 134 is prevented from being deformed or even damaged in the process of contacting and scraping the uneven surface; on the other hand, the dirt sucking port 1361 formed between the roller brush 131 and the bottom scraping strip 134 is far away from the uneven surface, so that the suction force of the dirt sucking port 1361 is weakened after deformation of the bottom scraping strip 134 is avoided, and the cleaning effect is influenced.

As shown in fig. 5, the present embodiment provides a driving shaft 1321 at one end side of the roller brush holder 132, one end of the driving shaft 1321 penetrates through a sidewall of the roller brush holder 132 through a bearing to connect the roller brush 131, and the other end of the driving shaft 1321 is connected to the driving device 150 through the first transmission structure 140. The other end of the brush holder 132 is provided with a positioning shaft 1322, the positioning shaft 1322 is connected to one end of the brush 131 opposite to the driving shaft 1321, and the positioning shaft 1322 is a driven rotating shaft or the positioning shaft 1322 is a fixed shaft. When the positioning shaft 1322 is a driven rotating shaft, a rotating bearing is arranged at the end part of the roller brush frame, and the driven rotating shaft is fixedly connected with the rotating bearing; when the positioning shaft 1322 is a fixed shaft, a rotating bearing is provided at one end of the roller brush 131 opposite to the driving shaft, and the positioning shaft 1322 is fixedly connected to the rotating bearing.

In this embodiment, the driving device 150 is fixed on the outer side of the roller brush frame 132, the first transmission structure 140 is disposed between the driving shaft 1321 and the driving device 150, which may be a transmission belt or a gear set, and the driving device 150 may be a motor or other power component that can drive the first transmission structure 140 to rotate the driving shaft 1321.

As shown in fig. 4, the decontaminating wiper strip 135 of this embodiment is located above the dirt pickup nozzle 136. The dirt-removing scraping bar 135 scrapes off the dirt attached to the roller brush 131, falls in front of the dirt-sucking nozzle 136, and is sucked by the dirt-sucking nozzle 136 under suction. Preferably, the soil removal wiper strip 135 may be angled downward to enhance the soil removal effect on the roller brush 131.

In order to improve the self-adaptive performance and dirt collecting performance of the bottom scraping strip 134, the bottom scraping strip 134 of the present embodiment is a soft adhesive strip made of silica gel, and the front end of the bottom scraping strip 134 extends to the dirt absorbing port 1361. When the bottom scraping strip 134 is contacted with the ground, the soft adhesive tape can be better attached to the ground to collect dirt, and the collected dirt is sucked into the dirt suction nozzle 136 through the dirt suction port 1361.

To achieve floating of the roller brush holder 132, the cleaning roller assembly 130 of the present embodiment further includes a lifting motor 137 for lifting the roller brush holder 132, the lifting motor 137 being capable of lifting the roller brush holder 132 off the surface to be cleaned by the second transmission structure. The second transmission structure may be a swing link structure, a gear structure, or a screw rod structure, referring to fig. 4 and 6, in this embodiment, the second transmission structure is a screw rod structure, the lifting motor 137 is connected to the roller brush frame 132 through a screw rod 138, and a speed reducer 139 is further disposed between the lifting motor 137 and the screw rod 138. When cleaning uneven surfaces, the roller brush holder 132 needs to be lifted, and at this time, the lifting motor 137 is started to drive the screw 138 to rotate, so that the roller brush holder 132 is lifted upwards along the screw 138. After the completion, the lifting motor 137 reversely rotates to drive the screw rod 138 to reversely rotate, so that the roller brush frame 132 moves downwards along the screw rod 138 to return to the original position.

In addition, in the present embodiment, the roller brush frame 132 is provided with a sliding groove 1323, and a corresponding sliding rail matched with the sliding groove 1323 is disposed in the installation cavity of the machine body 100. In order to improve the floating stability of the roller brush holder 132, as shown in fig. 5, four sides of the roller brush holder 132 of the present embodiment are provided with sliding grooves 1323.

In order to make the force applied to the roller brush holder 132 more uniform during the lifting process, the lifting motor 137 of the present embodiment is connected to the middle portion or the middle portion of the roller brush holder 132 to be biased toward one end of the driving shaft 1321. The end of the roller brush 132, which is biased toward the driving shaft 1321, is provided with a first transmission structure 140 and a driving device 150, so that the center of gravity is more biased toward the end. The weight of one end of the driving shaft 1321 can be balanced by connecting the lifting motor 137 to the middle of the roller brush holder 132 to be biased toward the end.

In order to improve the cleaning effect, the distance between the universal wheel and the driving wheel is larger than the distance between the cleaning roller assembly and the driving wheel in the embodiment. As shown in fig. 1, the distance D1 between the universal wheel 120 and the driving wheel 110 is greater than the distance D2 between the cleaning roller assembly 130 and the driving wheel 110, so that the center of gravity of the machine body 100 is biased toward one end of the cleaning roller assembly 130, the roller brush 131 and the bottom scraping strip 134 are more attached to the surface to be cleaned, and the cleaning effect of the surface to be cleaned is improved.

The self-moving surface cleaning machine of this embodiment further includes a water tank assembly including a clean water tank, a water supply port provided to supply cleaning liquid to the roller brush or the surface to be cleaned, and a plurality of water supply ports. Referring to fig. 6 and 7, the water tank assembly of the present embodiment is disposed at one side of the cleaning roller 132, and includes a clean water tank 160, a water supply pipe 180 is disposed in the roller brush cavity 133 of the roller brush holder 132, the water supply pipe 180 is disposed at the top of the roller brush 131, and disposed along the axial direction of the roller brush 131, and a plurality of water supply ports 1801 are uniformly disposed along the axial direction of the water supply pipe 180, the water supply ports 1801 are opposite to the roller brush 131, and water in the clean water tank 160 is dropped from each water supply port 1801 to the surface of the roller brush 131 through the water supply pipe 180, so as to provide cleaning water for cleaning the surface of the roller brush 131.

The tank assembly of this embodiment further includes a foul water tank, as shown in FIG. 6, in which a foul water tank 170 is combined with a fresh water tank 160 as a detachable unit, thereby improving compactness of the entire body.

The sewage suction nozzle 136 of the present embodiment is connected to the sewage tank 170, the sewage tank 170 may be connected to a vacuum device 190, referring to fig. 5 and 6, the sewage suction nozzle 136 is connected to the sewage tank 170 through a sewage suction pipe 1362, the vacuum device 190 sucks the sewage tank 170 so as to form negative pressure in the sewage tank 170, and negative pressure is formed in the sewage suction nozzle 136 through the sewage suction pipe 1362, so that sewage is sucked from the sewage suction port 1361 and enters the sewage tank 170 through the sewage suction nozzle 136.

In addition, the air outlet of the vacuum device 190 may be disposed at the rear side of the bottom scraping strip 134 and face the cleaning surface to blow the water stain on the cleaning surface to improve the cleaning effect.

The water tank assembly of this embodiment is disposed behind the scrub roller assembly 130 and at least partially covers the scrub roller assembly 130. To further improve the compactness of the fuselage.

Claims (10)

1. The utility model provides a from mobile surface cleaning machine, includes drive wheel, universal wheel, cleaning roller subassembly, the universal wheel with the cleaning roller subassembly is at the front and back both ends of drive wheel respectively, the drive wheel is equipped with floatable drive cantilever, its characterized in that:

the cleaning roller assembly comprises a roller brush, a floatable roller brush frame, a roller brush cavity arranged on the roller brush frame, a bottom scraping strip positioned behind the roller brush cavity and a decontamination scraping strip positioned in the roller brush cavity; the roller brush is installed in the roller brush cavity, a dirt sucking mouth is arranged on the rear side wall of the roller brush cavity, a driving shaft is arranged on one end side of the roller brush frame, one end of the driving shaft penetrates through the side wall of the roller brush frame through a bearing to be connected with the roller brush, the other end of the driving shaft is connected with a driving device through a first transmission structure, a dirt sucking mouth attached to the dirt sucking mouth is formed between the bottom scraping strip and the roller brush, and the roller brush frame drives the roller brush and the scraping strip to float synchronously, so that the size change of the dirt sucking mouth is relatively stable.

2. The self-moving surface cleaning machine of claim 1, wherein the other end of the roller brush holder is provided with a positioning shaft, the positioning shaft is connected with one end of the roller brush opposite to the driving shaft, and the positioning shaft is a driven rotating shaft or the positioning shaft is a fixed shaft.

3. A self-moving surface cleaner according to claim 1, wherein said soil removal wiper strip is located above the soil pick-up nozzle.

4. The self-moving surface cleaning machine of claim 1 wherein the bottom wiper strip is a soft wiper strip of silicone rubber with a front end of the bottom wiper strip extending to the dirt pick-up opening.

5. The self-moving surface cleaning machine of claim 1 wherein the cleaning roller assembly further comprises a lift motor for lifting the roller brush frame, the lift motor lifting the roller brush frame off of the surface to be cleaned via the second drive mechanism.

6. A self-moving surface cleaning machine as claimed in claim 5 wherein said lift motor is connected to the middle portion of the roller brush frame or is biased toward one end of the drive shaft.

7. A self-moving surface cleaning machine as claimed in claim 1 wherein the distance D1 between the universal wheel and the drive wheel is greater than the distance D2 between the cleaning roller assembly and the drive wheel.

8. A self-moving surface cleaning machine as claimed in claim 1 further comprising a tank assembly comprising a clean water tank, a water supply port provided to supply cleaning liquid to the roller brush or surface to be cleaned, said water supply port being plural.

9. A self-moving surface cleaning machine as claimed in claim 8 wherein said tank assembly includes a foul water tank combined with a clean water tank as a removable unit.

10. A self-moving surface cleaner according to claim 8, wherein the water tank assembly is disposed behind the cleaning roller assembly and the water tank assembly at least partially overlies the cleaning roller assembly.