WO2016021793A1 - Liquid-inducing floor cleaning module and cleaner having same - Google Patents

Abstract

The present invention relates to a liquid-inducing floor cleaning module and a cleaner having the same. The present invention provides a liquid-inducing floor cleaning module and a cleaner having the same, the liquid-inducing floor cleaning module having a contaminant container which continuously supplies liquid to a floor surface, attaches foreign substances adhered to the floor surface such as dust and the like thereto using the liquid, and collects contaminated liquid by using the surface energy and centrifugal force of a rotating rotation body. The liquid-inducing floor cleaning module and the cleaner having the same according to the present invention can easily collect water which has been contaminated after floor cleaning, by installing a rotation shaft of the rotation body to be perpendicular with respect to the floor surface to be cleaned (in the surface vector direction of the floor surface).

Description

Liquid guided floor cleaning module and cleaner having same

The present invention relates to a liquid-induced floor cleaning module and a cleaner having the same. More specifically, the liquid is supplied to the bottom friction surface of the rotating body to remove floor contaminants, and fine dust or contaminant adsorbed liquid is rotated. It relates to a liquid induction floor cleaning module for collecting and guided by the rotational force of the vacuum cleaner having the same.

Methods for removing contaminants on the floor include a vacuum cleaner and a mop. For effective cleaning, two methods are usually used in sequence. First, a vacuum cleaner is used to vacuum the dust accumulated on the floor, and to remove dirt on the floor or fine dust particles that cannot be sucked from the vacuum cleaner by mopping. .

However, the mop is moistened with mop and then repeatedly rubbed the surface to be cleaned while applying a constant pressure. If you do not use a separate tool, it is good for knee health because it proceeds for a long time while bending the knee. It may also lead to inadequate results. If you look at the mop in more detail, you can moisten the mop and then rub the surface of the cleaning area and the mop repeatedly under constant pressure so that the dirt on the surface moves to the moist mop, and then the water and contaminants on the mop. The method of cleaning the desired surface cleanly by using a separate washing is used. Since it is very difficult and cumbersome to repeat the above operation with the power and movement of a person in general, the following various types of mop cleaners are mainly used to replace a part or the whole with the power of a machine.

The first type is to wipe the floor with a mop moistened with water, and then the floor is cleaned by mopping the mop. The second type is water on the bottom of the rotating body or the object causing periodic friction with the floor. To clean the floor by attaching a mop to the floor, remove the mop and wash it separately, and the third type is to attach the mop to the bottom of the moving object, such as a robot cleaner, to wipe the floor surface, and then to separate and clean the mop. And, the fourth type is to spray water on the floor, using a brush or a cylindrical rotating body to separate the contaminants on the floor surface from the bottom surface and then remove the water containing the contaminants by vacuum suction treatment or a separate instrument The surface is cleaned and the fifth type is combined with a vacuum cleaner to improve the cleaning efficiency. The number of ways, such as being used.

While the above methods are effective in removing contaminants on the bottom surface by using a mop moistened with water, in the first, second and third cases, the inconvenience of having to separately wash the mop occurs. The fourth product is a Philips company's product (model name: Aquatrio FC7070), which has two rotary blushes and a suction fan, which is complicated in structure and provides sufficient water to the floor. There is a problem that noise is generated significantly because a strong suction force is required to remove. In the fifth case, there was a problem that it could not provide sufficient mopping.

The present invention is a liquid guided floor cleaning module that can rotate the rotating body while continuously supplying water to remove the contamination of the bottom surface by friction with the bottom surface, and at the same time effectively recover the water containing contaminants only by the rotational force of the rotating body and this It is an object to provide a cleaner provided. Furthermore, an object of the present invention is to provide a liquid induction floor cleaning module capable of cleaning while generating as little noise as possible by rotating the rotating body at a relatively low RPM, and a cleaner having the same.

The object of the present invention is a liquid induction floor cleaning module for cleaning the bottom surface while recovering the supplied liquid by rotating the rotating body while supplying a liquid, the rotating motor having a rotating motor shaft and the rotational force transmitted from the rotating motor shaft A rotating shaft installed in a direction perpendicular to the bottom surface (the surface vector direction of the bottom surface), a rotating body coupled to the rotating shaft to rotate the surface vector direction of the bottom surface as the axis, and a rotating body for cleaning the bottom surface. A raw water container for storing the clean liquid supplied to the contaminant and a contaminant container for storing the recovered liquid after the cleaning is released by the centrifugal force generated when the rotating body rotates, and the rotating body is in close contact with the bottom surface when rotating. The contact surface is formed in series with the contact surface and is inclined to gradually move away from the bottom surface as it moves away from the vertical central axis. A liquid housing having a sieve guide surface and supporting a rotating shaft of the rotating body, a rotating body hole for exposing the rotating body, and a liquid formed around the outer surface of the rotating body and moving along the surface of the rotating body. A storage tank is provided and can be achieved by a liquid induction floor cleaning module comprising a lower housing coupled to a lower support housing.

The object of the present invention comprises the above-described liquid induction floor cleaning module and a vacuum motor, the lower housing of the liquid induction floor cleaning module is formed outside the liquid storage tank and the movement of the vacuum suction air formed by the vacuum motor It is also achievable by a vacuum cleaning combined use liquid induction floor cleaner, characterized by further comprising a vacuum passage providing a path.

The above object of the present invention is the above-described liquid induction floor cleaning module, a plurality of sensors, drive wheels respectively provided on the left and right of the bottom surface, a drive module for transmitting a driving force to each drive wheel, and the above-mentioned liquid induction floor cleaning It can also be achieved by a robot vacuum cleaner equipped with a liquid induction floor cleaning module, characterized in that the vacuum flow path is formed on the outer side of the liquid reservoir of the module and provides a movement path of the vacuum suction air formed by the vacuum motor.

Liquid-induced floor cleaning module according to the present invention and a vacuum cleaner having the same using only the surface energy and centrifugal force generated by the rotational force of the rotating body of the liquid containing the contaminated material to be cleaned at the same time continuously supplying the clean liquid to the friction surface It was easy to recover. Therefore, the conventional floor cleaner using a mop had to periodically wash the mop, but when using the floor cleaner according to the present invention, it was possible to significantly eliminate the trouble of washing the mop.

In addition, in order to forcibly suck or remove water that tends to remain on the bottom surface, a separate device such as a vacuum device that provides a strong suction force is required, but the liquid induction floor cleaning module and the vacuum cleaner having the same according to the present invention have a bottom member. Cleaner structure can be recovered efficiently with only the rotational force, so the cleaner structure is simple and there is no need to use a vacuum device that generates high or loud noise. There is this.

Presenting a rotating body having an intermediate recovery path, and forming a close contact surface formed on the bottom of the rotating body or forming a locking jaw to recover most contaminated liquid through the intermediate recovery path to the water sprayed on the floor The rotating body rotating at a low RPM makes it possible to recover in one movement.

In addition, the lower housing is provided with a rotating body hole for exposing the rotating body to the lower side, and has a barrier formed at a predetermined height in the upper direction along the circumference of the rotating hole, so that the liquid recovered is not raised to the upper surface of the rotating body. By providing a design structure that can sufficiently recover the contaminated liquid even by raising the height, the rotational speed of the rotating body can be kept low, thereby reducing the power consumption and further reducing the noise of the cleaner.

1 is a side view of a combined vacuum cleaning liquid induction floor cleaner having a liquid induction floor cleaning module according to one embodiment of the present invention.

Figure 2 is a partial perspective view of the cleaning header portion of the liquid guided floor cleaner combined with vacuum cleaning having a liquid guided floor cleaning module according to an embodiment of the present invention.

Figure 3 is an exploded perspective view of the cleaning header portion of the liquid guided floor cleaner combined with vacuum cleaning having a liquid guided floor cleaning module according to an embodiment of the present invention.

4 is a partial cross-sectional view illustrating a coupling structure of a rotating body provided in the liquid induction floor cleaning module according to the present invention.

Figure 5 is a sectional view of the rotating body showing the shape of the rotating body provided in the liquid induction floor cleaning module according to the present invention.

Figure 6 is a sectional view of the rotating body provided in the liquid induction floor cleaning module according to the present invention and showing the shape of the rotating body to which the intermediate recovery path is added.

Figure 7 is a cross-sectional view illustrating another manner of fixing the supply hose to the rotary shaft provided in the liquid guide floor cleaning module according to the present invention.

8 is an embodiment of a floor member provided in the liquid induction floor cleaning module according to the present invention.

9 is a perspective view of the lower housing provided in the liquid-induced floor cleaner according to the present invention and a cutaway view in the A-A 'direction.

10 is a cross-sectional view showing the installation position of the rotating body and the recovery hose provided in the liquid guide floor module according to the present invention.

11 is a cross-sectional view showing the installation position of the rotating body and the recovery impeller provided in the liquid guide floor cleaning module according to the present invention.

12 is an explanatory diagram illustrating a principle of moving water droplets in a rotating body of a liquid induction floor cleaning module according to the present invention.

13 is a partial view of a liquid induced floor cleaning module of one embodiment according to the present invention using a housing bottom as a contaminant;

14 is a partial cross-sectional view of a liquid guided floor cleaning module with a lid according to one embodiment of the present invention.

15 is a cross-sectional view of the combined cleaning header and B-B 'direction of the liquid-induced floor cleaner combined with vacuum cleaning according to the present invention.

16 is an exploded perspective view of a liquid guided floor cleaning module provided with a robot cleaner equipped with a liquid guided floor cleaning module according to the present invention.

Figure 17 is an assembled perspective view of the liquid guided floor cleaning module provided with a robot cleaner equipped with a liquid guided floor cleaning module according to the present invention.

18 is a cross-sectional view taken along the line AA ′ of FIG. 17.

FIG. 19 is a cross-sectional view of some components illustrating the supply and recovery of liquid in a robot cleaner equipped with a liquid induction floor cleaning module according to the present invention. FIG.

20 is a bottom view of the robot cleaner equipped with a liquid induction floor cleaning module according to the present invention having an air intake.

FIG. 21 is a cross-sectional view of the robot cleaner to which the suction port is added.

Prior to the detailed description of the invention, the term 'floor' is defined first. The term 'floor' used in the present invention is not used as a term used to mean the floor of a residential building or an office building, but is used as a term that refers to a flat area that is contaminated and needs to be cleaned. For example, it is to be understood that not only the floor of a residential building or an office building but also a glass window, a body of a vehicle, and an outer wall of a building are included in the 'floor' meaning in the present invention.

Liquid induction floor cleaning module according to the invention is characterized in that the rotating body for cleaning the water is provided in the center of the cleaning header portion. In addition, the liquid guided floor cleaning module according to the present invention is such that the axis of rotation of the rotating body is formed in a direction perpendicular to the bottom surface (the surface vector direction of the bottom surface) so that the rotating body rotates in the horizontal direction of the bottom surface, the liquid After supplying and adsorbing dust and the like by using the bottom surface of the rotor, the contaminated liquid is recovered by using the surface energy and centrifugal force of the rotor. This rotation direction is different from the rotation direction of the product sold by Philips (model name: Aquatrio FC7070). In the case of the FC7070 model, two blush motor shafts are formed in the direction parallel to the floor surface, requiring a high absorption force and a considerable suction force to recover the water supplied to the floor. On the other hand, since the rotating body according to the present invention rotates in the horizontal direction with the bottom surface, the contaminated water can be easily recovered using centrifugal force.

In the description of the present invention, the liquid guided floor cleaner and the robot cleaner combined with a vacuum cleaning function provided with a vacuum cleaning function to the liquid guided floor cleaning module will be described. Except for the configuration of the vacuum cleaning combined liquid guided floor cleaner and the robot cleaner which provides the vibration cleaning function, the liquid guided floor cleaning module may be easily transformed into a liquid guided floor cleaning module.

Liquid-induced floor cleaning module is a module that functions to recover the liquid attached to the floor dust after spraying liquid on the floor. The liquid-inducing floor cleaning module rotates according to the rotational motor transmitted from the rotating motor shaft and the rotating force transmitted from the rotating motor shaft. A rotating shaft installed in a direction perpendicular to the surface (the surface vector direction of the bottom surface), a rotating body coupled to the rotating shaft to rotate the surface vector direction of the bottom surface as an axis, and being supplied to the lower surface of the rotating body. A raw water container for storing the clean liquid and a contaminant container for recovering the cleaned liquid which is separated by the centrifugal force generated when the rotating body rotates, and the lower surface of the rotating body is in close contact with the bottom surface when rotating. It is formed in series with the contact surface and the liquid oil formed to be inclined so that the bottom surface and the lower surface of the rotating body gradually away from the vertical central axis A liquid storage tank having a drawing, a support housing for supporting a rotating shaft of the rotating body, a rotating body hole for exposing the rotating body, and a liquid formed around the outer surface of the rotating body and moving along the surface of the rotating body. It is provided, and consists of a lower housing and the like coupled to the lower support housing.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment, advantages and features of the present invention.

1 is a side view of a liquid-induced floor cleaner combined with a vacuum cleaning unit having a liquid-induced floor cleaning module according to an embodiment of the present invention, Figure 2 is a partial perspective view of the cleaning header portion, Figure 3 is an exploded perspective view of the cleaning header portion. The liquid guide floor cleaner according to the present invention includes a cleaning header part 130, a connection pipe part 110, and a main body part 310. The main body 310 includes a vacuum motor, a dust collector, and a power line storage part. It should be understood that most of the configurations other than those for vacuum suction in the configurations shown in FIGS. 1 to 3 belong to the liquid induction floor cleaning module. The main body 310 and the connection pipe 110 are connected through the flexible hollow corrugated pipe 212. The connection pipe part 110 and the cleaning header part 130 are combined in a structure that can rotate within a certain angle range, such a coupling structure will be omitted because it is a coupling structure commonly used in floor cleaners and the like. In FIG. 1, the outer case is removed in order to describe the structure installed in the cleaning header unit 130 in detail.

The connection pipe part 110 is formed in the form of a hollow tube 210 that can be adjusted in length with a metal material or synthetic resin material is formed into a hollow hollow portion, one end of the cleaning header portion 130 and the flexible corrugated pipe 220 The other end is connected to the main body 310 through another corrugated pipe 212. On the rear side of the end connection pipe part 110 connected to the cleaning header part 130, a support member 250 for coupling the connection pipe part 110 to the cleaning header part 130 was installed by welding. 2, the support member 250 is illustrated as being hinged to the cleaning header part 130, but a coupling structure capable of freely rotating within a predetermined angle range up, down, left, and right, such as a coupling part applied in a general vacuum cleaner. Of course, it can be transformed into.

The connection pipe part 110 includes a raw water container 41 for storing clean water, a contaminant container 51 for storing the collected polluted water after cleaning, a rotating motor 55 for providing rotational force to a plurality of rotating shafts, and raw water. The pump 45 connected with the bucket 41 and the pollutant bucket 51 is taken. The pump 45 supplies the clean liquid supplied from the raw water container 41 through the supply hose 43a to the cleaning header 130 through the supply hose 43b every hour, and also cleans the contaminated liquid. After the suction through the recovery hose 29a, it is stored in the contaminant container 51 through the recovery hose 29b. The pump 45 may be formed by separating the first pump for supplying the liquid of the raw water container 41 and the second pump for recovering the contaminated liquid to the pollutant container 51. When the liquid stored in the water container 41 is supplied to the cleaning header part 130 using a natural drop method using gravity without using a separate pump 45, a certain amount of liquid may be evenly supplied to the plurality of rotating bodies 50. It becomes impossible.

A first pulley 71a is installed on the rotation shaft 63 of the rotary motor 55, and a second pulley 73a is installed on the support member 250. Vertical bulkheads 31a and 31b protruding upward are formed in the center of the support housing 30b forming the cleaning header part 130, and the vertical bulkheads 31a and 31b and the support member 250 are hinged. . The first rotary bar 75 is installed between the vertical partition walls 31a and 31b, and the third pulley 75a is installed on the first rotary bar 75.

The annular bearings 21a to 21f are installed in six through holes formed in the support housing 30b, and the rotary shafts 10a to 10f of the respective rotating bodies 50 are mounted on the annular bearings 21a to 21f from below. It is inserted and installed in the upper direction. Then, the circular gears 20a to 20f are fitted to the rotation shafts 10a to 10f protruding upward from the support housing 30b. One end of the corrugated pipe 220 is inserted into another through hole 220a installed at the front of the support housing 30b, and a through hole is provided at the left and right sides behind the through hole 220a to which the corrugated pipe 220 is fitted. After inserting and installing the annular bearings 21g and 21h in the through holes, the first rotating pillar 225a and the second rotating pillar 225b are installed therein, and the fourth pulley 77a and the fifth pulley 77b are installed therein. Install).

The lower housing 230 having a vaccum air path in which air flow is formed by a vacuum pump, and a liquid storage tank temporarily storing the cleaned liquid at a lower portion of the support housing 30b to which the rotating body 50 is coupled. ) Is installed. Thereafter, the additional housing 240 is installed below the lower housing 230. Insertion grooves 231 and 241 formed in the lower housing 230 and the additional housing 240 are provided with moving wheels not shown in the drawing.

The liquid stored in the raw water container 41 passes through the supply hose 43 and the bottom of the center of the rotating body 50 along the hollow portion provided in the center of the rotating shaft of each rotating body 50 along the pipeline as shown in FIG. 3. It is designed to be supplied until. The finished liquid temporarily stored in the liquid storage tank is designed to be recovered by the pump 45 using a recovery hose 29a fitted through the through hole of the support housing 30b.

The rotational force of the motor is designed to be transmitted to the circular gear (20a ~ 20g) using a belt. Specifically, the belt includes a first pulley 71a provided on the motor rotation shaft 57, a second pulley 73a provided on the support member 250, a third pulley 75a, a fourth pulley 77a, and the like. , The circular gear 20a, the circular gear 20b, the circular gear 20c, the circular gear 20d, the circular gear 20e, the circular gear 20f, and then the fifth pulley 77b, The three pulleys 75a, the second pulleys 73a, and the first pulleys 71a were installed to be connected. Therefore, the motor rotational force is designed to rotate the six circular gears (20a ~ 20f) at the same time using a single belt.

4 is a partial cross-sectional view illustrating a coupling structure of a rotating body provided in the liquid induction floor cleaning module according to the present invention. After the annular bearing 21b is installed in the through-hole of the support housing 30b, the rotary shaft 10b is inserted into the central hollow space of the annular bearing 21b. As shown in the figure, the rotating shaft 10b forms a central portion as an empty space and is used as a passage through which clean liquid moves downward. The circular gear 20b is inserted and installed at the upper portion of the rotating shaft 10b based on the support housing 30b, and the rotating body 50 is inserted and installed at the lower portion thereof. The liquid stored in the raw water container 41 is supplied along the conduit through the supply hose 43b, and is supplied to fall from the upper center to the lower part of the rotation shaft 10b. The bottom member 60 which consists of the disk 65, the brush 61, and the cloth 63 is provided in the outer surface of a rotating body. The bottom member 60 is installed to be fixed by an elastic member 67 (rubber band, etc.) around the upper protrusion of the rotating body 50.

5 is a cross-sectional view of the rotor showing the shape of the rotor provided in the liquid guide floor cleaning module according to the present invention. The rotating body 50 cleans the bottom surface by directly rubbing with the bottom surface or using a clean liquid through the bottom member, and moves the cleaned contaminated water by the surface energy along the surface and is separated by centrifugal force. It is a functional component that functions. The rotating body may be provided in various shapes, some of which will be described. As shown in FIG. 5 (a), the rotor 50 is In the vertical direction, it may be divided into the upper protrusion 52, the center portion 53 and the lower protrusion 54, in the horizontal direction in close contact with the bottom surface to be cleaned (A), the contact surface (A) ) And a liquid guide surface (also referred to as B, or 'inclined surface') that is formed in succession and moves contaminated liquid along the surface. The upper protrusion 52 is a part which is installed to fix the bottom member 60 by an elastic member (rubber line, etc.), and the lower protrusion 54 is when installing the bottom member having a disk as shown in FIG. 8 to be described later. This is the part to insert and fix the disk. The central portion 53 is a portion where a liquid guide surface (or also referred to as an inclined surface) is formed. The lower surface of the rotating body 50 is designed to have a close contact surface (A) formed to be in close contact with the bottom surface during rotation, and an inclined surface formed in succession to move the contaminated liquid according to the surface energy. The rotating body 50 shown in FIG. 5 (b) shows an embodiment without the lower protrusion 54, and FIG. 5 (c) shows an embodiment in which the outermost part of the inclined surface is bent downward. It is shown.

5A and 5C, the rotary body 50 is an embodiment in which a separate bottom member 60 is inserted and cleaned as shown in FIG. 8 to be described later, and FIG. 5 (b). Rotator 50 is shown in the embodiment that can be cleaned without using a separate bottom member 60. In the case of the rotating body 50 that does not insert a separate bottom member 60, a separate treatment is required to increase the surface energy. For example, the surface of the rotor 50 may be etched to have a porous surface having fine pores, to form fine cilia on the surface, or to coat a material having a relatively high surface energy.

6 is a cross-sectional view of the rotating body provided in the liquid induction floor cleaning module according to the present invention and showing the shape of the rotating body to which an intermediate recovery path is added. The rotating body shown in FIG. 5 is an example in which the contact surface A of the rotating body in close contact with the bottom surface is formed flat without a step. However, when the contact surface (A) is formed flat in this way, the liquid sprayed to the floor through the vertical central axis of the rotating body 50 is not completely recovered by one mopping, and thus it is often necessary to recover it after several reciprocating motions. It became. In order to more efficiently recover the water sprayed on the bottom surface, an intermediate recovery path 62 was formed to be inclined upwardly from the lower surface at a position away from the vertical center radius of the rotating body. In this case, when the intermediate recovery path 62 is additionally formed, about 80% of the liquid sprayed on the bottom may be recovered through the intermediate recovery path 62. The remaining 20% of the liquid was to be recovered along the inclined surface after wiping the contact surface of the outer of the intermediate recovery path 62.

Fig. 6 (a) shows a sectional view of the rotor, Fig. 6 (b) is a bottom view of the rotor from below, and Fig. 6 (c) is a sectional view of the rotor of another embodiment having an intermediate recovery path. . As shown in Fig. 6 (a) and 6 (b), the intermediate recovery path 62 was installed at a position of a constant radius on the vertical central axis. In addition, in order to recover as much liquid as possible in the intermediate recovery path 62, the area a is formed to be stepped upward by a predetermined height ΔT from the vertical central axis to the contact surface where the intermediate recovery path 62 is installed. It was. Therefore, the liquid dropped to the lower portion of the vertical central axis is to be recovered by riding the intermediate recovery path 62 to the outside by the centrifugal force in the space formed up to the region (a).

The rotor 50 shown in FIG. 6 (c) eliminates the stepped surface provided on the bottom surface of the rotor 50 shown in FIG. (62) The protruding jaw 64 protruding downward was formed outside. Therefore, the liquid dropped to the lower part of the vertical central axis is moved outward by centrifugal force, and the majority of the liquid is recovered through the intermediate recovery path 62 by the projection shaft 64, and the remaining liquid is recovered by riding the outer side of the rotor along the slope. It was. The intermediate recovery path shown in FIG. 6 may be configured to be formed obliquely over the upper surface of the lower surface of the rotating body, but may be formed to be inclined from the lower surface without necessarily forming the upper surface.

7 is a cross-sectional view illustrating another method of fixing the supply hose to the rotary shaft provided in the liquid guide floor cleaning module according to the present invention. The annular bearing 23b is installed on the upper inner surface of the rotating shaft 10b, and the supply hose 43b is fitted in the center of the annular bearing 23b. Even if the rotating shaft 10b rotates, the supply hose 43b can be fixed in place by the annular bearing 23b.

Figure 8 is an embodiment of a floor member provided in the liquid induction floor cleaning module according to the present invention. The bottom member 60 is formed of a plastic material and connected to the outer periphery of the disk 65, a disk 65 in which a hole is formed in the center portion, a plurality of brushes 61 attached to one surface of the disk 65, and the disk 65. It is composed of a cloth (63) that is coupled to. Although not shown in the drawings, the elastic member 67 (rubber band) is provided at the end of the cloth 63. The bottom member 60 is opened with the elastic member 67 in an extended state and inserted into the upper direction from the downward direction of the rotating body shown in FIG. 5 to the upper projection 52 of the rotating body 50. The end of the) is installed to be inserted into the elastic member 67. A hole formed in the middle of the disk 65 is provided around the lower protrusion 54. Therefore, even when the bottom surface to be cleaned is not flat and uneven, the disk 65 is slightly inclined along the uneven surface so that it can be easily cleaned.

The liquid supplied to the rotating body may be mixed with the polishing member to efficiently perform the cleaning. Using such an abrasive member has an effect of cleaning more cleanly depending on the type of the bottom surface. As the polishing member, artificial members and natural members can be used. Alumina, silicon carbide, boron carbide, CBNCBN (cubic boron nitride), and artificial diamond can be used. , Cypinel, petroleum stone, silica sand and the like can be used.

9 is a perspective view of the lower housing provided in the liquid-induced floor cleaner according to the present invention and a cutaway view in the A-A 'direction. The lower housing 230 is provided with a rotating body hole 33 in a central portion in which the rotating body is installed, and the circumferential surface forming the rotating body 33 has a barrier 35 formed to protrude to a predetermined height upward. Formed. In addition, an outer wall 236 is formed around the outer periphery, and a barrier rib 234 is formed on the barrier 35 and the outer wall 236 to form a vacuum flow path 235 through which intake air from the vacuum motor can flow. It was. The bottom surface of the barrier 35 and the partition wall 234 was connected to each other to form a liquid storage tank 237 for temporarily storing the contaminated liquid having finished cleaning the floor.

10 is a cross-sectional view showing the installation position of the rotating body and the recovery hose provided in the liquid guide floor module according to the present invention. As shown in Figure 1 and 2, the floor cleaning module of the present invention, the first rotary shaft (10a), the second rotary shaft (10b), the third rotary shaft (10c), the fourth rotary shaft (10d), the fifth rotary shaft ( 10e) and the sixth rotating shaft 10f are provided with respective rotating bodies 50 for cleaning the bottom surface, and the liquid stored in the liquid storage tank 235 is recovered to the recovery container 51 using the pump 45. The structure is shown. 10 shows the structure in which the recovery hose 29a is installed in the liquid storage tank 237.

11 is a cross-sectional view showing the installation position of the rotating body and the recovery impeller provided in the liquid guide floor cleaning module according to the present invention. In FIG. 11, instead of installing a recovery hose 29a connected to the pump 45 in the liquid storage tank 237 as shown in FIG. 10, an annular bearing 21i is installed and a rotation shaft 10g is installed. 10g) shows a structure in which the impeller 88 is installed at one end. In this structure, the circular gear (20g) is installed on top of the rotating shaft (10g), and is designed to rotate by connecting with the same belt with the remaining circular gears (20a ~ 20f), the pump 45 for liquid recovery will be omitted. There is an advantage to this.

The liquid recovered while the rotor 50 rotates by the belt is filled up to a certain height of the space formed up to the barrier 35, and the recovered liquid is filled up above a predetermined height. The rotating gear 10g is rotated while the circular gear 20g is rotated by the belt, so that the contaminated liquid, which has been cleaned through the recovery hose 29 while the impeller 88 is rotated, is recovered to the contaminant bucket 51. will be. In FIG. 11, an impeller is used to recover the contaminated liquid into the contaminant bucket 51, but it may be configured to recover the contaminated liquid using an underwater motor instead of the impeller.

12 is an explanatory diagram illustrating a principle of moving water droplets in the rotating body of the liquid induction floor cleaning module according to the present invention. The rotating body 50 is schematically illustrated in a simplified manner, and is shown in a state of rotating in a counterclockwise direction along the rotation axis O-O ', and reference numeral 100 denotes a liquid drop in motion. In FIG. 12, F denotes a centrifugal force and Cf denotes surface energy by the surface of the rotating body acting on the corresponding liquid drop (bottom member when the bottom member is installed), of which centrifugal force F may be expressed by Equation 1. .

Equation 1

In Equation 1, m represents the mass of the liquid drop, R represents the rotation radius of the liquid drop, and W represents the angular velocity.

The liquid 100 supplied to the rotating body 50 moves outward from the center along the surface (or bottom member) of the rotating body in a horizontal direction by centrifugal force by rotation as indicated by 'case 1', As indicated by the case 2 ', the moving direction of the liquid is gradually induced upward from the central portion having the inclined surface (liquid guide surface) in which the rotating body is gradually curved to the upper surface portion, and as indicated by the case 3' At the end of the whole, the centrifugal force acting on the water becomes larger than the surface energy Cf so that the liquid leaves the rotating body and is recovered to the liquid storage tank 237. As shown in Equation 1, the size of the centrifugal force acting on the water can be adjusted by the rotation radius (R) and the rotational angular velocity (W), and the liquid reaches the end of the rotor as indicated by 'case 4'. The centrifugal force previously acting on the liquid is sufficiently greater than the surface energy of the surface of the rotor (or bottom member) acting on the liquid, so that the liquid may escape from the rotor 50. Accurately calculating this principle, it is possible to easily determine the height of the barrier (35). Therefore, it is necessary to design the central portion formed in the rotating body 50 to rise along the liquid guide surface to the appropriate height of the liquid to be released by the centrifugal force. The liquid guide surface may be referred to as a nose face if the fluid flows along a surface that consumes less energy.

In the above description, the contaminant bucket 51 formed separately from the housing has been described. However, the liquid recovered by the rotating body 50 is stored on the bottom of the housing, and when the liquid is solid, the cap is opened to collect on the bottom. It can also be changed by pouring and removing liquid. Figure 13 is a partial view of a liquid guided floor cleaning module of one embodiment according to the present invention using a housing bottom as a contaminant. The contaminated liquid 100 accumulated on the bottom surface can be discharged to the sewer while tilting after opening the stopper 40. In the case of FIG. 13, there is an advantage in that a component for transferring a liquid to the pollutant container 51, such as a recovery hose 29 or an impeller 88, is not required.

In addition, the liquid-induced floor cleaner described so far may cause the contaminated liquid filled in the liquid storage tank 237 to flow to the outside when moving to clean another place and then to clean another place. This contaminated liquid is lost to the outside to the space formed between the barrier 35 and the rotating body (50). In order to solve this problem in the present invention was formed a stopper (cover) to close the space between the barrier 35 and the rotating body (50). 14 is a partial cross-sectional view of a liquid guided floor cleaning module with a lid according to one embodiment of the present invention. FIG. 14A illustrates a state in which the space between the barrier 35 and the rotor 50 is closed by the cover 93 as the rotor 50 stops rotating or rotates at a very slow speed. 14 (b) shows a state in which the cover 93 is lifted while being separated from the space between the barrier 35 and the rotor 50 when the rotor 50 rotates. The cover 93 is rotatably coupled to the rotation shaft 10f by a cover support shaft 91 so as to rotate within a predetermined angle range. As a coupling method for rotationally coupling the cover support shaft 91 to the rotary shaft 10f, a coupling method such as hinge coupling may be applied. As shown in FIG. 14 (a), when the rotating body (strictly speaking, the rotating shaft 10f) stops, the cover support shaft 91 is contracted downward due to the weight of the cover 93, and the barrier 35 The cover 93 covers the space between the rotor 50 and the rotor 50. The cover 93 may be formed of a material such as silicone rubber. Then, when the rotating body 50 rotates, while the cover 93 acts as a centrifugal force, the cover support shaft 91 rises to be substantially perpendicular to the rotation shaft 10f as shown in FIG. 93 is to be separated from the space between the barrier 35 and the rotating body 50.

Liquid-induced floor cleaner according to the present invention described so far has been described that the raw water bucket 41 and the pollutant bucket 51 is installed in the connecting pipe portion 110, the raw water bucket 41 and the pollutant bucket 51 connecting pipe portion It is also possible to change the design to install on the cleaning header 130 instead of installing on (110). The method of transmitting the rotational force of the rotary motor 55 to the rotary shaft 10 may also be applied to other power transmission methods such as gears instead of belts and circular gears. In addition, the above description so far is limited to the structure in which the rotary motor 55 is installed in the connection pipe part 110, but the design may be changed to be installed in the cleaning header part 130.

In addition, the raw water tank has been mainly described as storing clean water so far, but depending on the contaminants on the bottom surface, other liquids other than water may be used or other liquid materials may be used. In addition, the liquid-induced floor cleaner presented in the present invention can be changed to a steam cleaner or a vacuum cleaner by changing the structure so that steam cleaning and vacuum suction cleaning can be performed simultaneously with a single cleaning instead of being used alone. Equipped with a robot cleaner that can move by itself, it can be easily configured to perform the floor cleaning function.

15 is a cross-sectional view taken along the B-B 'direction and a combined perspective view of the cleaning header part of the combined vacuum cleaning liquid-induced floor cleaner according to the present invention. 15 (a) is a view for explaining the role of the additional housing 240, the lower portion of the front of the cleaning header portion by the additional housing 240 is separated from the ground higher than the other parts of the relatively large size to the space Dust can be removed. In FIG. 15, arrow 300 represents a flow of intake air for performing vacuum cleaning, and arrow 400 represents a flow of liquid for performing water cleaning. As shown in FIG. 15B, the liquid for cleaning the floor is supplied to the lower portion of the rotating body 50 at the center of the cleaning header part and then stored in the liquid storage tank 237 along the surface of the rotating body 50. The outside of the rotating body 50 is provided with the suction power of the suction air for performing the vacuum cleaning, if the vacuum suction force is set too hard, there may be a problem that the liquid droplets supplied to the lower portion of the rotating body 50 may be vacuum suction. . This problem can be solved by forming a blocking wall 243 in the additional housing 240, as shown in FIG. Alternatively, as shown in FIG. 15 (d), the filler 245 may be inserted into a rubber material such as EDPM in an area shaded on the bottom of the additional housing.

Hereinafter, as another embodiment, an embodiment of the robot cleaner equipped with the liquid guided floor cleaning module coupled to the robot cleaner of the liquid guided floor cleaning module of the present invention will be described.

The present invention relates to a robot cleaner equipped with a liquid induction floor cleaning module for cleaning the floor using a liquid as it is provided with a conventional robot cleaner for performing vacuum cleaning. Therefore, the configuration related to the conventional robot cleaner for performing vacuum cleaning, but it is necessary to change the installation position and structure should also be provided in the robot cleaner equipped with the liquid guided floor cleaning module of the present invention.

For example, in the robot cleaner equipped with a liquid-induced floor cleaning module according to the present invention, a suction unit, a suction port, a sensor unit, a controller, a battery, a plurality of driving wheels, a dust collecting chamber, It should be understood to include an obstacle detecting sensor, a mileage detecting sensor, a camera, a control unit and a wireless transceiver. In particular, among the driving wheels provided in the robot cleaner, the driving wheels provided on the left and right sides are each provided with a driving module including separate driving motors and gears, and the controller controls the rotational force of each driving motor so that the robot cleaner is moved from side to side. You can move while adjusting. Since a configuration provided in the conventional robot cleaner for performing such vacuum cleaning is well known, a detailed description thereof will be omitted and the present invention will be described in detail with respect to the liquid induction floor cleaning module.

FIG. 16 is an exploded perspective view of a liquid guided floor cleaning module provided in a robot cleaner equipped with a liquid guided floor cleaning module according to the present invention, FIG. 17 is an assembled perspective view, and FIG. 18 is a cutaway view taken along AA ′ of FIG. 17. . The liquid guided floor cleaning module constituting the robot cleaner according to the present invention comprises: a raw water bucket 41, a recovery bucket 51, a first pump 45a, a second pump 45b, a water tank support housing 350, and a first 1 side wall 360, 1st supply hose 43a, 2nd supply hose 43b, recovery hose 29a, 1st pulley 71a, 1st belt 103a, 2nd belt 103b, round It consists of a gear 20a, an annular bearing 21a, a support housing 30b, a rotating body 50, a barrier 35, a lower housing 230, a second side wall 480 and a moving wheel 490a.

The raw water container 41 and the dirty water container 51 are positioned above the water tank housing 350, and the first pump 45a and the second pump 45b are disposed in the space between both sides of the raw water container 41 and the dirty water container 51. ) Is installed and installed so that the rotating shaft of the motor 55 is exposed through the through-hole formed in the middle. Clean water for cleaning is stored in the raw water container 41, and the liquid stored in the raw water container 41 is pumped using the first pump 45a, and then each rotating body 50 through the first supply hose 43a. ) Is transmitted to the rotation axis located in the center. In contrast, the cleaned water is pumped using the second pump 45b through the recovery hose 29a and then recovered into the contaminant bucket 51.

Some configuration for rotating the first supply hose 43a, the second supply hose 43b, the recovery hose 29a and the plurality of rotors 50 in the space between the water tank housing 350 and the support housing 30b. This is installed. A plurality of through holes 431 are provided in the support housing 30b, and annular bearings 21a are inserted into each through hole. A circular gear 20a is installed on the rotating shaft 10a installed to protrude upward from the support housing 30b, and the first pulley 71a is connected to the selected circular gear through the first belt 103a. Between 20a is connected using the 2nd belt 103b. A plurality of through holes 33 are installed in the lower housing 480, a barrier 35 is provided on the circumferential surface of each through hole 33, and a plurality of rotating bodies 50 are provided in the plurality of through holes 33. ) Is installed so that some bottom surface is exposed to the bottom.

The manner in which the rotational force of the motor is transmitted to the rotating body will be described. The first pulley 71a is installed on the rotation shaft of the motor 55, and the first pulley 71a is connected through one circular gear 20a and the first belt 103a. Each of the circular gears 20a fitted to the upper end of the rotating shaft 10a of the rotating body 50 is interconnected through the second belt 103b. Therefore, the rotational force of the motor is transmitted to all the rotating bodies 50 through the first pulley 71a, the first belt 103a, the second belt 103b and the circular gear 20a.

19 is a cross-sectional view of some components illustrating the supply and recovery of liquid in a robot cleaner equipped with a liquid induction floor cleaning module according to the present invention. In the center of the rotating body 50 is installed so that the rotating shaft (10a) is formed into the hollow hollow portion. An annular bearing 21a is inserted into the through hole of the support housing 30b, and the rotating shaft 10a is installed to be fitted to the inner diameter of the annular bearing 21a. Circular gear 20a is installed on the rotating shaft 10a exposed to the upper side of the support housing 30b. The liquid filled in the raw water bucket is pumped using the first pump 45a and then supplied to the upper end of the hollow provided in each of the rotating shafts 10a through the first supply hose 43a. The liquid supplied to the rotating shaft 10a is exposed to the bottom along the hollow portion. The liquid supplied to the bottom surface of the rotating body 50 is combined with the foreign matter attached to the bottom surface and then moved upwardly by centrifugal force along the side of the rotating body and then stored in the liquid storage tank 237. The liquid reservoir 237 is a space formed by the lower housing 230 and the barrier 35, and is used as a storage tank for temporarily storing the cleaned liquid. The liquid stored in the liquid reservoir 237 is pumped by the second pump 45b through the recovery hose 29a and then recovered into the contaminant tank 51.

20 is a bottom view of the robot cleaner equipped with a liquid induction floor cleaning module according to the present invention having an air inlet, and FIG. 21 is a cross-sectional view in which an inlet is added to the drawing of FIG. 19. The bottom surface is provided with a plurality of rotating bodies 50 that rotate in a mutually staggered direction, and moving wheels 490a, 490b, and 490c are installed. A third side wall 500 is installed outside the second side wall 480, and dust is sucked in through a suction port 510 provided between the second side wall 480 and the third side wall 500. . Reference numeral 300 shows a path through which dust and the like are vacuum sucked. That is, by providing a suction port 510 on the outer side of the liquid induction floor cleaning module, the dust and the like are sucked up by vacuum suction, and the dirt on the floor is configured to be cleaned by the liquid cleaning module.

In describing the embodiments of the present specification, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present specification, the detailed description is omitted.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Claims (11)

A liquid induction floor cleaning module which rotates a rotating body while supplying liquid to clean the bottom while recovering the supplied liquid. A rotating motor having a rotating motor shaft, A rotating shaft which rotates according to the rotating force transmitted from the rotating motor shaft, and is installed in a direction perpendicular to the bottom surface (the surface vector direction of the bottom surface); A rotating body coupled to the rotating shaft to rotate the surface vector of the bottom surface as an axis to clean the floor; Raw water tank for storing the clean liquid supplied to the lower surface of the rotating body, And a contaminant bucket for cleaning the liquid separated from the centrifugal force generated when the rotating body rotates and storing the recovered liquid. The rotating body has a close contact with the bottom surface when the rotation, and the liquid guide surface is formed in succession with the close contact surface and is formed to be inclined away from the bottom surface gradually away from the vertical central axis, A support housing for supporting the rotating shaft of the rotating body; Rotor body hole for exposing the rotating body, and a liquid storage tank is formed around the outer rotor hole and stores the liquid moving along the surface of the rotating body, and the lower housing coupled to the lower support housing Liquid induction floor cleaning module comprising a. The method of claim 1, The lower housing has a liquid guide floor cleaning module, characterized in that it has a barrier formed in a predetermined height in the upper direction along the circumference of the rotating hole. The method of claim 1, The support housing is provided with a hole through which the rotating shaft penetrates, and has an annular bearing installed to be inserted into the hole, the liquid guide floor cleaning module, characterized in that the rotating shaft is coupled to the annular bearing is rotated. The method of claim 1, The rotating body further comprises an intermediate recovery path formed to be inclined so as to penetrate from the contact surface to the upper surface or the inclined surface of the rotating body. The method of claim 4, wherein Liquid induction floor cleaning module, characterized in that the contact surface of the inner rotary body of the intermediate recovery path is provided with an area stepped upward. The method of claim 4, wherein Liquid guiding floor cleaning module, characterized in that the rotating body is further provided with a protruding jaw protruding downward on the outer side of the intermediate recovery path. The method of claim 1, The rotating body and the rotating shaft is provided with a plurality, the liquid storage floor cleaning module, characterized in that the liquid reservoir is formed to be connected to one. The method of claim 1, Circular gears are inserted into the plurality of rotating shafts, the liquid induction floor cleaning module characterized in that it is further provided with a belt connected to the circular gears for transmitting power. The method of claim 1, The rotating shaft is provided in a hollow state, the liquid guided floor cleaning module, characterized in that the liquid supplied from the raw water flows through the rotating shaft to the lower surface of the rotating body. A liquid guide floor cleaning module according to any one of claims 1 to 9 and Equipped with a vacuum motor, The lower housing of the liquid induction floor cleaning module further includes a vacuum flow path formed outside the liquid storage tank and providing a movement path of the vacuum suction air formed by the vacuum motor. vacuum cleaner. With multiple sensors, Driving wheels provided at left and right sides of the bottom surface, A driving module for transmitting a driving force to each of the driving wheels; A liquid induction floor cleaning module according to any one of claims 1 to 9, And a vacuum flow path formed outside the liquid storage tank of the liquid induction floor cleaning module and providing a movement path of the vacuum suction air formed by the vacuum motor. .

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