CN115886649A - Cleaning head with multiple cleaners - Google Patents

Abstract

The invention provides a cleaning head with a plurality of cleaners, which comprises a shell and at least two cleaners arranged below the shell and used for cleaning the ground, and is characterized in that the two cleaners are respectively arranged into a rolling brush and a track cleaner, the rolling brush and the track cleaner can rotate on the shell, the rotation axes of the two cleaners are parallel, and the rolling brush and the track cleaner are distributed along the front and back direction and can simultaneously contact the ground for cleaning. The invention has the advantages that the rolling brush and the crawler belt cleaner are arranged, so that primary cleaning and secondary cleaning can be simultaneously carried out when the cleaning machine is used; the single motor is used for driving, so that the use cost of the motor is reduced, and the synchronism between the rolling brush and the crawler belt cleaner can be improved; the arrangement of the water spraying mechanism and the self-cleaning piece is convenient for keeping the wiping object moist and can automatically clean the wiping object; reduce the cleaning blind area of the cleaning head.

Description

Cleaning head with multiple cleaners

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to a cleaning head with a plurality of cleaners.

Background

Along with the development of technique, the consumer requires more and more highly to cleaning device's automation, current floor scrubber and intelligent cleaning machines people have through the electric drive cleanness, clean efficiently, convenient to use's advantage, receive liking of consumer deeply, this floor scrubber and intelligent cleaning machines people generally realize cleanly through one or more round brushes, and set up the scraping strip in the rear side of round brush and be used for sealing the dust absorption with ground, but the clean area of round brush is limited, the scraping strip leaves the watermark with the removal wheel easily on ground, clean effect is unsatisfactory.

Disclosure of Invention

It is an object of the present invention to provide a cleaning head with multiple cleaners which addresses the above problems.

In order to achieve the above purpose, the invention is realized by the following technical scheme:

a cleaning head with a plurality of cleaners, which comprises a housing and at least two cleaners arranged below the housing and used for cleaning the ground, and is characterized in that the two cleaners are respectively provided as a rolling brush and a track cleaner, the rolling brush and the track cleaner can rotate on the housing, the rotation axes of the two cleaners are parallel, the rolling brush and the track cleaner are distributed along the front and back direction and can simultaneously contact the ground for cleaning, the cleaning area is enlarged through the track cleaner, the sealing between the cleaning head and the ground is realized, and the problem that a scraping strip leaves a watermark on the ground is avoided.

Preferably, the rolling brush comprises a rolling shaft and a first wiping object, and the first wiping object is fixed on the periphery of the rolling shaft and rotates along with the rolling shaft to clean the ground;

preferably, the crawler belt cleaner comprises a driving shaft and a driven shaft, a crawler belt is arranged between the driving shaft and the driven shaft, second wipers are arranged on the outer side of the crawler belt, the driving shaft and the driven shaft are respectively positioned at two ends of the crawler belt and tension the crawler belt, and the rotation of the two shafts drives the crawler belt and the second wipers to rotate through the tension of the crawler belt;

preferably, at least part of the surfaces of the driving shaft and the driven shaft are provided with toothed wheels, the driving shaft directly drives the track and the second wiper to rotate through the toothed wheels, friction or resistance between the driving shaft/the driven shaft and the track is increased, and the track is conveniently driven to rotate.

Preferably, the material of the track is different from that of the second wiping object, and the bending fatigue resistance of the track is better than that of the second wiping object, so that the track cleaner is more durable.

Preferably, the rolling brush and the track cleaner are driven to rotate by the same driving motor, the driving motor is connected with the rolling brush and the track cleaner by a first transmission assembly and a second transmission assembly respectively, the first transmission assembly/the second transmission assembly is arranged into a belt transmission or a gear set transmission to drive the rolling brush/the track cleaner to rotate in a speed reduction manner, compared with a dual-motor drive, the cost of one motor is reduced, and the single-motor drive enables the synchronism between the two cleaners to be better.

Preferably, the driving motor is a double-shaft motor, and the first transmission assembly and the second transmission assembly are respectively connected with an output shaft;

preferably, the first transmission assembly comprises a first driving wheel, a first driven wheel and a first belt, external teeth are arranged on the outer surfaces of the first driving wheel and the first driven wheel, internal teeth meshed with the external teeth are arranged on the inner surface of the first belt or not arranged on the inner surface of the first belt, the diameter of the first driving wheel is smaller than that of the first driven wheel, or the number of teeth of the first driving wheel is smaller than that of the first driven wheel;

preferably, second drive assembly includes that second drive wheel, second follow driving wheel and second belt, second drive wheel and second are equipped with the external tooth from driving wheel surface, second belt inner surface sets up or does not set up the internal tooth with the external tooth meshing, the diameter of second drive wheel is less than the diameter from the driving wheel of second, or the number of teeth of second drive wheel is less than the number of teeth of second follow driving wheel, belt transmission simple structure, when the cleaning head of the different models of adaptation or size, only need the length of adjustment belt can realize the transmission.

Preferably, a gap is formed between the rolling brush/the crawler belt cleaner and the shell to reduce the movable resistance between the first wiping object, the second wiping object and the shell, a suction port for sucking the garbage on the ground is arranged between the shell and the cleaner positioned at the front side and/or between the rolling brush and the crawler belt cleaner, the garbage on the ground is firstly removed, and then the garbage is cleaned by the cleaner to prevent the paper-like hair from winding and adhering on the cleaner.

Preferably, the top surface of the housing is provided with a first water spraying mechanism for spraying water to the rolling brush and a second water spraying mechanism for spraying water to the crawler cleaner, the first water spraying mechanism comprises a first water pipe and a first water spraying head, two ends of the first water pipe are respectively connected with the first water spraying head and a clean water source, the second water spraying mechanism comprises a second water pipe and a second water spraying head, two ends of the second water pipe are respectively connected with the second water spraying head and the clean water source, the first water spraying head and the second water spraying head are at least provided with two water spraying nozzles or the number of the first water spraying head and the number of the second water spraying head are at least two, so that the whole wiping object can be kept wet conveniently, and the cleaning effect is better.

Preferably, a first self-cleaning piece is arranged between the shell and the rolling brush and positioned in front of the first water spray opening, a second self-cleaning piece is arranged between the shell and the crawler cleaner and positioned in front of the second water spray opening, and the first self-cleaning piece and the second self-cleaning piece respectively scrape and self-clean the rolling brush and the crawler cleaner, so that automatic cleaning of the wiping objects is facilitated.

As preferred, the left side wall and the right side wall that extend about the shell is equipped with, the left side wall is equipped with the mounting hole, cleaner detachable installs in the mounting hole, on the right side wall/install driving motor, first drive assembly and second drive assembly between right side wall and the cleaner, roller bearing/driving shaft left end center is equipped with the cavity, be equipped with locking Assembly in the cavity, the width of left side wall and right side wall is the same or inequality, and the left edge of first wiper/second wiper with the distance of left side wall surface is not more than 20mm, reduces the distance between one of them edge of wiper and the lateral wall, reduces the clean blind area of cleaning head, makes things convenient for clean wall or table foot position.

Preferably, the locking assembly comprises an ejector rod, a fixing rod and an elastic piece, the fixing rod comprises a fixing section and a connecting section, the fixing section is fixedly connected with the roller/driving shaft, a gap is formed in the inner surface of the cavity, the inner end of the ejector rod is sleeved with the fixing rod, the elastic piece is arranged between the ejector rod and the fixing rod, the ejector rod can move in the gap, the outer end of the ejector rod is kept in an installation state inserted into the installation hole under the elastic action of the elastic piece, the locking assembly is installed in the cleaner, and the cleaner and the shell can be installed and detached by pressing the ejector rod.

The beneficial effects of the invention include: compared with the prior art, the rolling brush and the crawler belt cleaner are arranged, so that primary cleaning and secondary cleaning can be simultaneously carried out during use; the crawler belt cleaner has the functions of scraping strips and moving wheels, and can avoid watermarks from being left on the ground; the rolling brush and the crawler belt cleaner are driven to rotate by the same driving motor, so that the use cost of the motor is reduced, and the synchronism between the rolling brush and the crawler belt cleaner can be improved; the cleaning head is provided with a water spraying mechanism and a self-cleaning piece, so that the wiping object can be kept moist and can be automatically cleaned; the cleaning device is characterized in that a cavity is arranged in the cleaning device, and a locking component is arranged in the cavity to reduce the distance between the edge of the cleaning object and the side wall, so that the cleaning blind area of the cleaning head is reduced, and the wall or the table foot is convenient to clean.

Drawings

Figure 1 is an exploded schematic view of a cleaning head of the present invention.

FIG. 2 is an exploded schematic view of the cleaner of the present invention

Fig. 3 is an exploded view of the first drive assembly of the present invention.

Fig. 4 is an exploded view of the second drive assembly of the present invention.

Fig. 5 is a schematic sectional view of the cleaning head of the present invention.

Figure 6 is an overall schematic view of the scrubber of the present invention.

FIG. 7 is a schematic view of the water jet of the present invention.

Figure 8 is an exploded view of the locking assembly of the present invention.

Fig. 9 is a sectional view showing a state where the cleaner of the present invention is mounted.

Fig. 10 is a schematic view of the fixation groove and the retainer of the present invention.

Detailed Description

In order to make those skilled in the art better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all of it. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any inventive step shall fall within the scope of the present invention.

The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this specification and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a list of elements, processes, systems, articles, or devices is not necessarily limited to the particular list of elements, systems, articles, or devices, but may include other elements, processes, products, or devices not expressly listed or inherent to such elements, processes, articles, or devices.

The terms "mounted," "disposed," "provided," "connected," and "nested" in the description and claims of the invention and the above-described drawings are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected or indirectly connected through an intermediary, or may have a relationship when used or performing its function; or may be internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art. When an installation is described as being "connected" or "connected," it can be directly connected or indirectly connected through intervening components. If not indicated otherwise, a component "disposed on," "disposed on," or "connected to" another component does not exclude the two components from being integrally formed.

Furthermore, spatially relative terms, such as bottom, top, and the like, may be used to describe one element and/or feature's relationship to another element(s) and/or feature(s), such as is illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and/or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "front" may be oriented "back" to other elements or features. The device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example 1

Referring to fig. 1 to 4, a cleaning head 1 having a plurality of cleaners includes a housing 10 and at least two cleaners 11 disposed below the housing 10 for cleaning a floor, the two cleaners 11 being respectively provided as a roll brush 2 and a crawler cleaner 3, the roll brush 2 and the crawler cleaner 3 being rotatable on the housing 10, and rotation axes of the two cleaners 11 being parallel, the roll brush 2 and the crawler cleaner 3 being distributed in a front-rear direction and simultaneously contacting the floor for cleaning.

Specifically, the bottom of the housing 10 is open, and the rolling brush 2 and the crawler belt cleaner 3 are installed in the housing 10 with their lower ends protruding from the opening at the bottom for contact with the ground.

In this embodiment, the roller brush 2 includes a roller 21 and a first wiper 22, the first wiper 22 is fixed on the periphery of the roller 21 and rotates with the roller 21 to clean the floor, the roller 21 is installed on the front side of the housing 10, the end of the roller 21 is directly or indirectly fixed on the housing 10, so that the roller 21 cannot fall off the housing 10 while rotating, the first wiper 22 tightly covers the periphery of the roller 21 and can rotate synchronously with the roller 21, and in order to clean and replace the first wiper 22, the roller brush 2 and the housing 10 or the first wiper 22 and the roller 21 are detachably disposed.

The crawler belt cleaner 3 comprises a driving shaft 31 and a driven shaft 32, a crawler belt 33 is arranged between the driving shaft 31 and the driven shaft 32, a second wiper 34 is arranged outside the crawler belt 33, the driving shaft 31 and the driven shaft 32 are respectively positioned at two ends of the crawler belt 33, the driving shaft 31 or the driven shaft 32 can drive the crawler belt 33 and the second wiper 34 to rotate, in the embodiment, a first distance is kept between the driving shaft 31 and the driven shaft 32 and the crawler belt 33 is tensioned, teeth are not arranged on the surfaces of the driving shaft 31, the driven shaft 32 and the crawler belt 33, the crawler belt 33 and the second wiper 34 are driven to rotate by the rotation of the driving shaft 31 and the driven shaft 32 through the tension force of the crawler belt 33, the middle of the crawler belt 33 can have certain strength through the tension force, the wiping strength of the middle of the second wiper 34 is enhanced, the middle of the crawler belt 33 cannot be stressed inwards under the action of slight external force, in other embodiments, the driving shaft 31 and the driven shaft 32 are provided with toothed wheels, the toothed wheels are directly driven by the toothed wheels, the driving shaft 31 directly drive the inner surfaces of the crawler belt 33 and the inner teeth, the crawler belt 33 can be meshed with the toothed wheels, the inner teeth, the driving shaft 33 can be conveniently increased by the inner teeth, and the resistance of the crawler belt 33 can be increased. Of course, the second wiper 34 may be directly mounted on the driving shaft 31 and the driven shaft 32, and the inner surface of the second wiper 34 is at least partially provided with the caterpillar 33 to enhance the strength and toughness of the second wiper 34 in this area, i.e., the caterpillar 33 is removed when the second wiper 34 is removed.

Preferably, the rolling brush 2 is located at the front side and the crawler belt cleaner 3 is located at the rear side, and it is also possible to arrange that the crawler belt cleaner 3 is located at the front side and the rolling brush 2 is located at the rear side.

Preferably, the first wiper 22 and the second wiper 34 are made of flocked cloth or mop cloth, the flocked cloth is made of nylon bristles planted on a common mop cloth, the floor can be brushed like a brush while being mopped, stubborn garbage on the bottom surface can be cleaned, the mop cloth or flocked cloth has the advantages of softness and strong water absorption, but the caterpillar belt is poor in bending fatigue resistance and easy to deform after being pulled for a long time, in order to prolong the service life of the caterpillar belt cleaner 3, the caterpillar belt 33 is made of different materials from the second wiper 34, the flexibility and the bending fatigue resistance of the caterpillar belt 33 are superior to those of the second wiper 34, in the embodiment, the caterpillar belt 33 is made of chloroprene rubber, PU polyurethane, nylon or chain belts, so that the caterpillar belt 33 has good bending fatigue resistance, can recover automatically after being pulled by external force, and is not easy to tear when the external force is too large. The caterpillar 33 in this embodiment is not limited to a belt, a conveyor belt, or a chain for transmission, and other means for enhancing the rigidity or the bending fatigue resistance of the second wiper 34 may be used, such as providing a metal strip or a rubber strip on the second wiper 34, and directly mounting the second wiper 34 with enhanced bending fatigue resistance on the driving shaft 31 and the driven shaft 32, and the caterpillar 33 in this embodiment is a device for enhancing the bending fatigue resistance of the second wiper 34, and is used for transferring the tension between the second wiper 34 and the driving shaft 31/the driven shaft 32.

In the above embodiment, the rolling brush 2 and the track cleaner 3 are driven to rotate by the same driving motor 4, the driving motor 4 is connected with the rolling brush 2 and the track cleaner 3 by the first transmission assembly 5 and the second transmission assembly 6 respectively, the first transmission assembly 5 and the second transmission assembly 6 are arranged to be in belt transmission or gear set transmission to drive the rolling brush 2 and the track cleaner 3 to rotate at a reduced speed, compared with the case of driving by two motors respectively, the single motor driving can reduce the use cost of the motors and improve the rotation synchronism between the two cleaners 11, and the driving motor 4 starts the two cleaners 11 to rotate simultaneously.

Preferably, the driving motor 4 is a double-shaft motor, two output shafts are arranged at two ends of the driving motor 4, and the first transmission assembly 5 and the second transmission assembly 6 are respectively connected with one output shaft.

In this embodiment, the first transmission assembly 5 and the second transmission assembly 6 are both configured to be in belt transmission, the first transmission assembly 5 includes a first driving wheel 51, a first driven wheel 52 and a first belt 53, external teeth are disposed on the outer surfaces of the first driving wheel 51 and the first driven wheel 52, internal teeth engaged with the external teeth are disposed on the inner surface of the first belt 53, and the diameter of the first driving wheel 51 is smaller than that of the first driven wheel 52; the second transmission assembly 6 comprises a second driving wheel 61, a second driven wheel 62 and a second belt 63, outer surfaces of the second driving wheel 61 and the second driven wheel 62 are provided with outer teeth, inner surfaces of the second belt 63 are provided with inner teeth meshed with the outer teeth, the diameter of the second driving wheel 61 is smaller than that of the second driven wheel 62, rotation transmission is achieved through meshing of the outer teeth and the inner teeth, and speed reduction transmission is achieved through the diameter difference of the corresponding driving wheel and the corresponding driven wheel. Compared with other transmission modes, the belt transmission structure is simple, when the cleaning heads 1 of different models or sizes are adapted, transmission can be realized only by adjusting the length of the belt, the parameters do not need to be recalculated, and the positions of all parts in the transmission assembly are adjusted.

In other embodiments, it can also be set as: the first driving wheel 51 and the first driven wheel 52/the second driving wheel 61 and the second driven wheel 62 are provided with external teeth, the inner surface of the first belt 53/the second belt 63 is not provided with internal teeth, and the transmission is realized by increasing the friction or resistance between the external teeth and the belts; the number of teeth of the first driving wheel 51 is less than that of the first driven wheel 52, or the number of teeth of the second driving wheel 61 is less than that of the second driven wheel 62, so that speed reduction transmission is realized; one of the transmission components can be set to be in belt transmission, and the other transmission component can be set to be in gear set transmission; or the first transmission assembly 5 and the second transmission assembly 6 are both set to be in a gear set transmission mode.

In the above embodiment, the first driven wheel 52 has the first fixed shaft 54 at the center, the end of the roller 21 has the first connecting member 23, one end of the first connecting member 23 has the plug 24 fixed with the roller 21, the center of the other end has the annular hole 25, the first fixed shaft 54 is cylindrical, and the end has the cut surface 26 to be inserted into the annular hole 25; similarly, the second driven wheel 62 is provided with a second fixed shaft 64 at the center, the end of the driving shaft 31 is provided with a second connecting piece 35, one end of the second connecting piece 35 is provided with a plug 24 fixed with the driving shaft 31, the center of the other end is provided with an annular hole 25, the second fixed shaft 64 is cylindrical, and the end is provided with a cutting surface 26 to be inserted into and matched with the annular hole 25, the first fixed shaft 54 is used for realizing the axial fixation between the first driven wheel 52 and the roller 21, and the second fixed shaft 64 is used for realizing the axial fixation between the second driven wheel 62 and the driving shaft 31, thereby realizing the synchronous rotation.

Preferably, at least one bearing 55 is disposed on the first fixed shaft 54 and the second fixed shaft 64, with the bearing 55 being disposed either inboard or outboard of the first driven wheel 52/second driven wheel 62.

In order to position the first driven wheel 52 and the second driven wheel 62 on the respective fixed shafts, in the embodiment, a limiting step 27 is formed inside the cutting surface 26 of the first fixed shaft 54, a limiting groove 28 is formed on the first fixed shaft 54 at the outer side of the first driven wheel 52, and a clamp spring 56 is arranged in the limiting groove 28; similarly, a limiting step 27 is formed on the inner side of the cutting surface 26 of the second fixing shaft 64, a limiting groove 28 is formed on the outer side of the second driven wheel 62 of the second fixing shaft 64, and a clamp spring 56 is arranged in the limiting groove 28.

When the cleaning device is used, the first wiper 22 and the second wiper 34 contact the ground simultaneously, the driving motor 4 starts to operate, the two output shafts drive the first transmission component 5 and the second transmission component 6 to operate respectively and drive the rolling brush 2 and the crawler belt cleaner 3 to rotate, the rolling brush 2 on the front side cleans the ground in advance or for the first time, the crawler belt cleaner 3 on the rear side cleans the ground for the second time, and the crawler belt cleaner 3 enlarges the cleaning area compared with the rolling brush 2.

Example 2

The structure and principle of this embodiment are basically the same as those of embodiment 1, except that: the cleaner head 1 is provided with a suction opening 12.

Referring to fig. 5 to 6, there are gaps between the roll brush 2 and the housing 10, and between the crawler cleaner 3 and the housing 10, to avoid interference between the first and second wipes 22 and 34 and the housing 10, and to reduce the moving resistance between the first and second wipes 22 and 34 and the housing 10, and a suction port 12 for sucking the floor waste is provided between the housing 10 and the cleaner 11 at the front side, and between the roll brush 2 and the crawler cleaner 3, in the present embodiment, the roll brush 2 is located at the front side, the crawler cleaner 3 is located at the rear side, and a suction port 12 is provided between the roll brush 2 and the housing 10.

Preferably, the cleaning head 1 is rotatably connected to a main machine 13 for collecting the garbage collected from the suction opening 12, in this embodiment, the main machine 13 is a floor washing machine, and in other embodiments, the main machine 13 may be a floor mopping machine or an intelligent cleaning robot. The main machine 13 is provided with an electric bin 14, a clean water tank 15 and a sewage tank 16, the clean water tank 15 provides clean water for the cleaning head 1, the sewage tank 16 is used for recovering sewage and garbage recovered by the suction port 12, the electric bin 14 is provided with a battery and a pcb, the top of the main machine 13 is provided with a handle 17 for holding by hands, and the handle 17 is provided with a switch for controlling the start of the cleaner 11.

Example 3

The structure and principle of this embodiment are basically the same as those of embodiment 1, and the differences are as follows: the cleaning head 1 is provided with a water spraying function and a self-cleaning function.

Referring to fig. 5 and 7, a first water spraying mechanism 7 for spraying water to the rolling brush 2 and a second water spraying mechanism 8 for spraying water to the crawler cleaner 3 are disposed on the top surface of the housing 10, the first water spraying mechanism 7 includes a first water pipe 71 and a first water spraying head 72, two ends of the first water pipe 71 are respectively connected to the first water spraying head 72 and a clean water source, the second water spraying mechanism 8 includes a second water pipe 81 and a second water spraying head 82, two ends of the second water pipe 81 are respectively connected to the second water spraying head 82 and the clean water source, the first water spraying head 72 and the second water spraying head 82 are at least provided with two water spraying ports or the number of the first water spraying head 72 and the second water spraying head 82 is at least set to two.

In this embodiment, the clean water source is provided as the clean water tank 15, a water pump is provided in the clean water tank 15 or between the clean water tank 15 and the cleaning head 1, the water pump sprays the clean water in the clean water tank 15 onto the cleaner under pressure, the first water pipe 71 and the second water pipe 81 are independent from each other or have a common portion between the first water pipe 71 and the second water pipe 81, and have a branch on a side near the first water spray head 72 and the second water spray head 82 to spray water onto the first wiper 22 and the second wiper 34, the first water spray head 72 and the second water spray head 82 are respectively provided one, the first water spray head 72 is elongated and extends along the axial direction of the roller brush 2, the first water spray head 72 is provided with a plurality of first water spray nozzles 73 on a side near the roller brush 2, the second water spray head 82 is elongated and extends along the axial direction of the crawler cleaner 3, the second water spray head 82 is provided with a plurality of second water spray nozzles 83 on a side near the crawler cleaner 3, the first water spray nozzle 73/second water spray nozzles 83 on an outermost side near the crawler cleaner 2 are located above the roller brush cleaner 2, and the crawler cleaner 2/crawler cleaner 3 can spray the whole.

Preferably, the first water jet 73/the second water jet 83 sprays water in a vertically downward or vertically downward inclined direction, the diameters of the first water jet 73/the second water jet 83 between the first water jets 73/the second water jet 83 are different, and the diameters of the first water jet 73/the second water jet 83 near the first water pipe 71/the second water pipe 81 are smaller than the diameters of the first water jet 73/the second water jet 83 far from the first water pipe 71/the second water pipe 81, because the water jet near one side of the water pipe sprays water first when spraying water, the water of the water jet head flows to the water jet far from the water pipe at the outer side of the end part to spray water, if the water jet near the water pipe has too high flow rate, the water in the water jet head cannot flow to the water jet far from the water pipe at the end part, in this embodiment, the water jets can spray water to the whole cleaner by adjusting the water jet amount by adjusting the diameters, and the first water pipe 71 is connected to the middle part of the first water jet 72, and the second water pipe 81 is connected to the middle part of the second water jet 82 to shorten the distance between the water jet at the farthest end part and the water pipe.

In other embodiments, the first water spraying mechanism 7 is provided with two first water spraying heads 72, the two first water spraying heads 72 are respectively arranged at the left and right sides of the housing 10, and the opposite side of the first water spraying heads 72 is provided with a first water spraying port 73 for spraying water to the rolling brush 2; the second water spraying mechanism 8 is provided with two second water spraying heads 82, the two second water spraying heads 82 are respectively arranged at the left and right sides of the housing 10, and a second water spraying port 83 for spraying water to the crawler belt cleaner 3 is arranged at the opposite side of the second water spraying heads 82.

In other embodiments, the sprinkler head may be provided as a separate component mounted to the water pipe, with a detachable or non-detachable connection between the sprinkler head and the water pipe, or may be understood as an open-ended portion of the water pipe through which water in the water pipe exits.

Example 4

The structure and principle of this embodiment are basically the same as those of embodiment 1, and the differences are as follows: the cleaning head 1 can reduce the cleaning dead zone.

Referring to fig. 1, 8-10, the housing 10 is provided with a left side wall 101 and a right side wall 102 extending up and down, the left side wall 101 is provided with a mounting hole 103, the cleaner 11 is detachably mounted in the mounting hole 103, the driving motor 4, the first transmission assembly 5 and the second transmission assembly 6 are mounted between the right side wall 102 and the cleaner 11 on the right side wall 102, a cavity 111 is formed in the center of the left end of the roller 21/the driving shaft 31, a locking assembly 9 is disposed in the cavity 111, the left side wall 101 and the right side wall 102 have the same or different widths, the distance between the left edge of the first wiper 22/the second wiper 34 and the outer surface of the left side wall 101 is not more than 20mm, by disposing the locking assembly 9 in the cavity of the roller 21 and the driving shaft 31, only the mounting hole 103 is formed in the left side wall 101, the width of the left side wall 101 can be reduced, then the distance between the left edge of the first wiper 22/the second wiper 34 and the outer surface of the left side wall 101 is reduced by reducing the distance between the first wiper 22/the second wiper 34 and the left side wall 101, so that the distance between the left edge of the first wiper 22/the second wiper 34 and the outer surface of the left side wall 101 is shortened, a cleaning blind area in a bracket of the left edge of the first wiper 22/the second wiper 34 and the outer surface of the left side wall 101 is further reduced, and the wall or the table foot position is convenient to clean. Of course, the installation positions of the driving motor 4 and the transmission assembly can be changed, so that the positions of the left and right cleaning blind areas are interchanged; the installation position of the driving motor 4 can be changed, and the transmission mode of the transmission assembly is changed, so that the cleaning blind areas on the left side and the right side are reduced.

Specifically, the locking assembly 9 includes a top bar 91, a fixing rod 92 and an elastic member 93, the fixing rod 92 is fixedly installed in the cavity 111, the inner end of the top bar 91 is sleeved with the fixing rod 92, the elastic member 93 is disposed between the top bar 91 and the fixing rod 92, the top bar 91 is movable in the cavity 111, and the outer end of the top bar 91 is kept in an installation state inserted into the installation hole 103 under the elastic force of the elastic member 93.

In order to facilitate the installation of the fixing rod 92 and the movement of the top rod 91, the fixing rod 92 includes a fixing section 94 and a connecting section 95 with different diameters, and the diameter of the fixing section 94 is larger than the diameter of the connecting section 95, in this embodiment, the fixing rod 92 is cylindrical, in other embodiments, the fixing rod 92 may also be configured in other shapes, such as a rectangular parallelepiped, and the diameter of the fixing section 94 is the width of the fixing section 94 or the diameter of the circumscribed circle of the fixing section 94, the fixing section 94 is fixedly connected with the roller 21, the connecting section 95 has a gap with the inner surface of the cavity 111, the top rod 91 or the elastic member 93 is movable in the gap, and the joint between the fixing section 94 and the connecting section 95 forms the first supporting portion 96 of the elastic member 93, in this embodiment, the elastic member 93 is configured as a compression spring.

Preferably, the inner end diameter of the push rod 91 is smaller than the outer end diameter, the outer end of the push rod 91 is provided with a button 97 for unlocking by pressing, the diameter of the button 97 is increased, the finger can press conveniently, and pain caused by pressing of the finger is reduced.

Preferably, the surface of the fixing section 94 is provided with threads or lines for increasing resistance, so that the fixing rod 92 is screwed or tightly inserted and fixed with the roller 21, and the fixing rod 92 is prevented from being forced to be displaced.

In the above embodiment, the right end of the cleaner 11 is provided with the fixing groove 112, the housing 10 is directly or indirectly rotatably connected with the fixing member 113, one end of the fixing member 113 is connected with the fixing groove 112 to circumferentially fix the cleaner and the fixing member 113, the other end of the fixing member 113 is connected with the driving assembly, the driving assembly drives the fixing member 113 to rotate and drive the cleaner to rotate, the fixing member 113 is provided with the cross plug 114, the fixing groove 112 is configured as a cross groove, and the cross plug 114 and the cross groove are inserted and fixed.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A cleaning head with a plurality of cleaners, which comprises a housing and at least two cleaners arranged below the housing and used for cleaning the ground, and is characterized in that the two cleaners are respectively provided as a rolling brush and a crawler belt cleaner, the rolling brush and the crawler belt cleaner can rotate on the housing, the rotation axes of the two cleaners are parallel, and the rolling brush and the crawler belt cleaner are distributed along the front-back direction and can simultaneously contact the ground for cleaning.

2. The cleaning head with multiple cleaners of claim 1 wherein the roller brush includes a roller and a first wipe secured to the periphery of the roller and following rotation of the roller to clean the floor;

the crawler belt cleaner comprises a driving shaft and a driven shaft, a crawler belt is arranged between the driving shaft and the driven shaft, second wipers are arranged on the outer side of the crawler belt, the driving shaft and the driven shaft are respectively positioned at two ends of the crawler belt and tension the crawler belt, and the rotation of the two shafts drives the crawler belt and the second wipers to rotate through the tension of the crawler belt;

or at least partial surfaces of the driving shaft and the driven shaft are provided with toothed wheels, and the driving shaft directly drives the crawler belt and the second wiper to rotate through the toothed wheels.

3. The cleaning head of claim 2 wherein the track is of a different material than the second wipe and the track has a greater flex fatigue resistance than the second wipe.

4. The cleaning head of claim 3 wherein the roller brush and the track cleaner are driven for rotation by the same drive motor, the drive motor being connected to the roller brush and the track cleaner by a first drive assembly and a second drive assembly, respectively, the first/second drive assembly being arranged as a belt or gear train drive to decelerate the roller brush/track cleaner for rotation.

5. The cleaning head of claim 4 wherein the drive motor is configured as a dual shaft motor, the first drive assembly and the second drive assembly each being connected to an output shaft; the first transmission assembly comprises a first driving wheel, a first driven wheel and a first belt, external teeth are arranged on the outer surfaces of the first driving wheel and the first driven wheel, internal teeth meshed with the external teeth are arranged on the inner surface of the first belt or not arranged on the inner surface of the first belt, the diameter of the first driving wheel is smaller than that of the first driven wheel, or the number of teeth of the first driving wheel is smaller than that of the first driven wheel;

and/or, second transmission assembly includes that second drive wheel, second follow driving wheel and second belt, second drive wheel and second follow driving wheel surface are equipped with the external tooth, the second belt internal surface sets up or does not set up the internal tooth with the external tooth meshing, the diameter of second drive wheel is less than the diameter from the driving wheel of second, or the number of teeth of second drive wheel is less than the number of teeth of second follow driving wheel.

6. A cleaning head with multiple cleaners according to any one of claims 1-5 characterised in that there is a gap between the roller/track cleaner and the housing to reduce resistance to movement between the first and second wipes and the housing, and a suction opening is provided between the housing and the cleaner at the front and/or between the roller and the track cleaner for suctioning ground debris.

7. The cleaning head with multiple cleaning devices as claimed in claim 6, wherein the top surface of the housing is provided with a first water spraying mechanism for spraying water to the rolling brush and a second water spraying mechanism for spraying water to the crawler cleaning device, the first water spraying mechanism comprises a first water pipe and a first water spraying head, the two ends of the first water pipe are respectively connected with a first water spraying head and a clean water source, the second water spraying mechanism comprises a second water pipe and a second water spraying head, the two ends of the second water pipe are respectively connected with a second water spraying head and a clean water source, the first water spraying head and the second water spraying head are provided with at least two water spraying ports or the number of the first water spraying head and the second water spraying head is at least two.

8. The cleaning head of claim 7 with a plurality of cleaners, wherein a first self-cleaning member is positioned between the housing and the roller brush in front of a first water jet, and a second self-cleaning member is positioned between the housing and the track cleaner in front of a second water jet, the first and second self-cleaning members scraping self-cleaning the roller brush and the track cleaner, respectively.

9. The cleaning head with multiple cleaners according to any of claims 1-5,7-8 wherein the housing has a left side wall and a right side wall extending up and down, the left side wall has a mounting hole, the cleaners are detachably mounted in the mounting hole, a driving motor, a first transmission assembly and a second transmission assembly are mounted on/between the right side wall and the cleaners, a cavity is provided in the center of the left end of the roller/driving shaft, a locking assembly is provided in the cavity, the widths of the left side wall and the right side wall are the same or different, and the distance between the left edge of the first/second wiper and the outer surface of the left side wall is not more than 20mm.

10. The cleaning head of claim 9 in which the locking assembly includes a rod, a fixing rod and a resilient member, the fixing rod includes a fixing section and a connecting section of different diameters, the fixing section is fixedly connected to the roller/axle shaft, the connecting section has a gap with the inner surface of the cavity, the inner end of the rod is sleeved with the fixing rod, the resilient member is disposed between the rod and the fixing rod, the rod is movable in the gap, and the outer end of the rod is held in a mounted state inserted into the mounting hole by the resilient force of the resilient member.

Images