KR20040018603A - Cleaning device - Google Patents

Abstract

PURPOSE: A cleaning device is provided to execute cleaning by using the driving force of rotating wheels without additional power supply. CONSTITUTION: A cleaning device comprises a body(10) mounted with wheels(11) for rolling-movements; a cleaning rotary brush(20), rotatably combined to the body while the outer periphery of the cleaning rotary brush comes in contact with the floor of a building; a foreign substance-collecting container combined to the body; and a power transmission unit(40) to transmit the driving force of the wheels to a shaft(21) of the cleaning rotary brush. An inlet part of the foreign substance-collecting container is adjacent to the cleaning rotary brush and the floor of the building. The power transmission unit comprises plural gears(41,42) connecting a shaft(12) of the wheels and the shaft of the cleaning rotary brush.

Description

Cleaning Device {CLEANING DEVICE}

The present invention relates to a cleaning apparatus, and more particularly, to a cleaning apparatus that can perform the cleaning operation using the driving force of the rotating wheel.

In general, the cleaning device for cleaning the floor of the indoor space or the street, the vacuum cleaner for cleaning the foreign matter by using the suction force of the vacuum suction means, and the cleaning brush operated by the operation of the drive means to clean up by cleaning the foreign matter on the road surface There is a type of mechanical vacuum cleaner, and there is a cleaning device equipped with both types of cleaning functions.

However, these conventional cleaning devices have a built-in drive means such as a vacuum suction means or a conventional motor for the operation of the cleaning brush, there is a problem that the configuration of the device is complicated and expensive. In addition, these cleaning devices had to be powered or fueled by a driving means as a power source for the cleaning operation.

The present invention has been made in view of these problems, an object of the present invention is to provide a cleaning device that can perform the cleaning operation using the driving force of the rotating wheel without a separate power supply.

1 is a perspective view showing the configuration of a cleaning apparatus according to the present invention.

FIG. 2 is a cross-sectional view taken along line II-II 'of FIG. 1.

3 is a cross-sectional view taken along line III-III ′ of FIG. 1.

Figure 4 shows a first embodiment of a power transmission device applied to the cleaning device according to the present invention, showing a power transmission state.

Figure 5 shows a first embodiment of the power transmission device applied to the cleaning device according to the present invention, showing a power transmission release state.

Figure 6 shows a second embodiment of the power transmission device applied to the cleaning device according to the present invention.

Figure 7 shows a third embodiment of the power transmission device applied to the cleaning device according to the present invention.

Explanation of symbols on the main parts of the drawings

10: body, 11: wheels,

12: shaft of the wheel, 13: bearing,

14: auxiliary wheel, 15: handle,

20: rotating brush, 21: axis of rotating brush,

30: foreign body collection container, 40, 50, 60: power train,

41: drive gear, 42: driven gear,

43: intermediate gear, 45: shaft guide groove,

51: driving sprocket, 52: driven sprocket,

53: chain, 54, 64: one-way clutch,

61: driven pulley, 62: driven pulley,

63: belt.

The cleaning device according to the present invention for achieving the above object, the main body is equipped with a wheel for moving the cloud, the outer circumference is a cleaning brush rotatably coupled to the main body in contact with the floor of the building, and the inlet And a foreign material collection container coupled to the main body so as to be close to the rotating brush and the floor of the building, and a power transmission means for transmitting the driving force of the wheel to the shaft of the rotating brush.

In addition, the power transmission means includes a plurality of gears connected in a state engaged between the shaft of the wheel and the axis of the rotary brush, the rotational speed of the gear coupled to the axis of the rotary brush is coupled to the axis of the wheel It characterized in that the plurality of gears are arranged to form a gear train to rotate faster than the rotation speed of the gears.

The plurality of gears may include a drive gear coupled to the shaft of the wheel to rotate together with the wheel, a driven gear coupled to the shaft of the rotary brush, and at least one of the mediating connection of the drive gear and the driven gear. It characterized in that it comprises an intermediate gear.

In another aspect, the present invention is characterized in that the axis of the intermediate gear is able to move a predetermined section in the rotation direction of the drive gear so that the power transmission to the driven gear can be interrupted in accordance with the rotation direction of the drive gear. do.

In addition, the power transmission means includes a drive sprocket coupled to the shaft of the wheel, a driven sprocket coupled to the axis of the rotating brush and smaller than the drive sprocket, and an endless chain that mediates power transfer between the two sprockets. And, one of the two sprockets is characterized in that coupled to the one-way clutch so that the power transmission to the driven sprocket can be interrupted in accordance with the rotational direction of the drive sprocket.

In addition, the power transmission means includes a drive pulley coupled to the axis of the wheel, a driven pulley coupled to the axis of the rotary brush and smaller than the drive pulley, and an endless belt to mediate power transfer between the two pulleys. And, one of the two pulleys is characterized in that coupled to the one-way clutch so that the power transmission to the driven pulley according to the rotational direction of the drive pulley intermittent (斷續).

In addition, the wheels are rotatably coupled to both sides of the main body in mutually symmetrical positions, and at least one auxiliary wheel for stable support of the main body is installed at positions spaced apart from the two wheels.

In another aspect, the present invention is characterized in that it comprises a handle extending a predetermined length from the main body to move by pushing or pulling the main body.

In addition, the foreign material collector is characterized in that the detachable coupling in the form of a drawer to the body.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 3, the cleaning device according to the present invention has a box-shaped body 10 to form a skeleton, as shown in Figures 3, to enable the movement of the body 10 through the rolling motion A wheel 11 is mounted on both sides of the 10. At this time, the shaft 12 on which both wheels 11 are mounted is rotatably coupled to both side portions of the main body 10 through the bearing 13 so as to rotate together with the wheels 11. In addition, the caster-type auxiliary wheel 14 capable of turning in all directions by supporting the main body 10 together with the two wheels 11 at the rear lower portion of the main body 10 spaced apart from the two wheels 11 on both sides. Is installed. And the upper part of the main body 10 is provided with a handle 15 extending a predetermined length from the upper portion of the main body 10 so that the user can push or move the main body 10.

In addition, the front of the main body 10 spaced apart from the wheel 11 by a predetermined interval for cleaning the floor or road surface, such as a cleaning brush for rotation rotatably coupled is installed. Rotating brush 20 is both ends rotatably coupled to both side portions of the main body 10 and the shaft 21 is disposed in parallel with the shaft 12 of the wheel 11, and is installed on the outer surface of the shaft 21 It consists of a brush portion 23 radially coupled to the outer surface of the cylindrical member (22). In addition, the front of the main body 10 in which the rotating brush 20 is installed is provided in a structure in which the lower part is opened so that the outer periphery of the rotating brush 20 can rotate in contact with the floor of a building, and the like. The front upper portion is provided with a cover portion 16 to cover the outside of the rotary brush (20).

In addition, the inside of the main body 10, as shown in Figure 3, the inlet is installed so as to be close to the rotary brush 20 and the floor of the building to collect the foreign matter collected through the rotating rotary brush (20). The foreign matter collector 30 is provided. At this time, the foreign matter collecting container 30 is configured in the form of a drawer that can be attached and detached through the opening 17 at the rear of the main body 10 so as to empty the foreign matter when the foreign matter collected therein is accumulated more than a predetermined amount. In addition, at the inlet side of the foreign matter collecting container 30, the front end of the foreign matter collecting container 30 is easy to be collected and the collected foreign matter is not allowed to flow backward, and the front end of the foreign matter collecting container 30 is kept close, and the rear end is the foreign collecting container 30. The inclined portion 31 which is configured to be higher than the inner bottom surface 32 of the is provided.

In addition, as shown in FIGS. 1 and 2, the driving force of the wheel 11 generated when the user pushes the main body 10 is transferred to the shaft 21 of the rotating brush 20 on the side of the main body 10. The power transmission device 40 composed of a plurality of gears (41, 42, 43) is to be made so that the rotation of the rotary brush 20 is rotated, and cleaning can be performed by the rotation of the rotary brush (20). Is installed.

The power transmission device 40 has a drive gear 41 coupled to the shaft 12 of the wheel 11 to rotate together with the wheel 11, the shaft of the rotating brush 20 to rotate together with the rotary brush 20 A driven gear 42 coupled to 21 and an intermediate gear 43 that mediates the connection between the drive gear 41 and the driven gear 42. At this time, the power transmission device 40 is driven gear 42 from the drive gear 41 so that the main body 10 moves at a low speed so that the cleaning brush can be made while the rotating brush 20 rotates quickly even if the wheel 11 rotates slowly. It is configured to form an increasing gear train with increasing rotation speed toward). To this end, the drive gear 41 has a larger diameter than the driven gear 42.

In addition, the power transmission device 40 is a power transmission to the driven gear 42 when the drive gear 41 is rotated in one direction (A direction) by the forward operation of the main body 10, the power transmission of the main body 10 The shaft 44 of the intermediate gear 43 is the drive gear 41 so that the power transmission to the driven gear 42 can be released when the drive gear 41 rotates in the reverse direction (B direction) by the backward operation. It is installed to be able to move a predetermined section in the rotation direction of. To this end, both ends of the shaft 44 of the intermediate gear 43 are provided on the cover member 46 covering the side of the main body 10 to which the shaft 44 of the intermediate gear 43 is coupled and the outside of the power transmission device 40. Supporting to be movable, the shaft guide groove 45 of a predetermined length in the rotational direction of the drive gear 41 is formed. This configuration allows the cleaning brush to perform the cleaning operation while the rotating brush 20 rotates only when the cleaning apparatus is advanced.

Referring to the operation and usage of the cleaning device according to the present invention of such a configuration as follows.

When the user pushes the main body 10 forward, the movement of the main body 10 is achieved while the wheel 11 rotates. At this time, as shown in Figure 4, while the rotational force of the wheel 11 is transmitted to the drive gear 41 coupled to the wheel shaft 12, the drive gear 41 is rotated in the A direction, the intermediate gear 43 The predetermined distance moves in the rotation direction (A direction) of the drive gear 41 along the shaft guide groove 45, and both sides thereof are in a state of being bitten by the drive gear 41 and the driven gear 42. Therefore, at this time, the rotational force of the drive gear 41 is transmitted to the driven gear 42 in a state in which the rotational speed of the rotation brush 20 is rapidly rotated, thereby cleaning the bottom surface. And the foreign matter collected through the rotation of the rotating brush 20 is accumulated in the foreign matter collection container 30, as shown in FIG. The user may then remove the foreign matter by separating the foreign matter collecting container 30, if the foreign matter more than a predetermined amount accumulated in the foreign matter collecting container (30).

In contrast to the above case, when the user pulls the main body 10 backward, as shown in FIG. 5, the drive gear 41 coupled to the shaft 12 of the wheel 11 rotates in the B direction. , Since the intermediate gear 43 moves a predetermined section in the rotation direction (B direction) of the drive gear 41 along the shaft guide groove 45, the bite with the driven gear 42 is released. Therefore, in this case, even if the wheel 11 is rotated, since the rotation of the rotating brush 20 is not made, the main body 10 can be moved while the cleaning operation is stopped. In addition, the cleaning apparatus according to the present invention may be used by connecting the main body 10 to a robot or a vehicle moving the interior space by itself instead of the handle 15 provided on the upper portion of the main body 10.

Figure 6 shows another embodiment of the power transmission device that can be applied to the cleaning device according to the present invention, the power transmission device 50 is composed of a plurality of sprockets (51, 52) and the track 53 of the caterpillar type It is an example. That is, in the embodiment of FIG. 6, the diameter of the driving sprocket 51 coupled to the shaft 12 of the wheel is larger than the diameter of the driven sprocket 52 coupled to the shaft 21 of the rotating brush, and the two sprockets 51 Between the 52, the power transmission medium chain 53 is configured to be connected. In addition, the driven sprocket 52 is coupled to the shaft 21 of the rotating brush via a conventional one-way clutch 54, so that the cleaning brush 20 rotates only when the driving sprocket 51 rotates in one direction. It is configured to perform.

In addition, FIG. 7 shows another embodiment of the power transmission device, in which the power transmission device 60 includes a plurality of pulleys 61 and 62 and an endless belt 63. The diameter of the driving pulley 61 coupled to the shaft 12 of the wheel is formed larger than the diameter of the driven pulley 62 coupled to the shaft 21 of the rotary brush 20, the two pulleys (61, 62) It is configured in the form that the belt (63) that mediates power transmission between. In addition, the driven pulley 62 is coupled to the shaft 21 of the rotary brush 20 via a conventional one-way clutch 64, while the rotary brush 20 rotates only when the driving pulley 61 rotates in one direction. It is configured to perform a cleaning operation.

6 and 7 are the same operation as the power transmission device 40 using a plurality of gears, so that the rotary brush 20 can rotate faster than the wheel 11, only in one direction The power transmission is made so that the cleaning brush rotates only when the cleaning device moves forward to perform the cleaning operation.

As described in detail above, the cleaning device according to the present invention has an effect that can be performed smoothly without a separate power supply because the driving force of the wheel is transmitted to the rotary brush through the power transmission device.

In addition, since the present invention has no power source, the configuration is simpler than in the related art, and thus, the manufacturing is easy and the manufacturing cost is advantageous.

In addition, the present invention has a convenient operation because the cleaning brush is made while the rotating brush rotates when the main body is moved forward, and the rotating brush is not made when the main body moves backward.

Claims (13)

A main body equipped with a wheel for rolling clouds, a cleaning brush rotatably coupled to the main body while the outer circumference thereof is in contact with the floor of a building, etc., and an inlet part coupled to the main body so as to be close to the rotating brush and the floor of the building. And a foreign matter collector and a power transmission means for transmitting the driving force of the wheel to the shaft of the rotary brush. The method of claim 1, And the power transmission means includes a plurality of gears connected between the shaft of the wheel and the shaft of the rotary brush in a meshed state. The method of claim 2, The cleaning device, characterized in that the plurality of gears are arranged to form a gear train so that the rotational speed of the gear coupled to the shaft of the rotary brush is faster than the rotational speed of the gear coupled to the shaft of the wheel . The method of claim 2, The plurality of gears may include a drive gear coupled to an axis of the wheel to rotate together with the wheel, a driven gear coupled to an axis of the rotary brush, and at least one intermediate medium for connecting the drive gear and the driven gear. Cleaning device comprising a gear. The method of claim 4, wherein And a shaft of the intermediate gear can move a predetermined section in the rotational direction of the drive gear so that power transmission to the driven gear can be interrupted according to the rotational direction of the drive gear. The method of claim 1, The power transmission means includes a drive sprocket coupled to the shaft of the wheel, a driven sprocket coupled to the axis of the rotating brush and smaller than the drive sprocket, and an endless chain that mediates power transfer between the two sprockets. Cleaning device, characterized in that. The method of claim 6, One of the two sprockets cleaning device, characterized in that coupled to the one-way clutch so that the power transmission to the driven sprocket according to the rotational direction of the drive sprocket is intermittent. The method of claim 1, The power transmission means includes a drive pulley coupled to the shaft of the wheel, a driven pulley coupled to the shaft of the rotary brush and smaller than the drive pulley, and an endless belt to mediate power transfer between the two pulleys. Cleaning device, characterized in that. The method of claim 8, Any one of the two pulleys is a cleaning device, characterized in that coupled to the one-way clutch so that the power transmission to the driven pulley according to the rotational direction of the drive pulleys intermittent. The method of claim 1, The main body is a cleaning device, characterized in that it comprises a cover portion for covering the upper portion of the rotating brush. The method of claim 1, The wheels are rotatably coupled to both sides of the main body in mutually symmetrical positions, and at least one auxiliary wheel for stable support of the main body is installed at positions spaced apart from the two wheels. The method of claim 1, And a handle extending a predetermined length from the main body to move the main body by pushing or pulling. The method of claim 1, The foreign material collector is a cleaning device, characterized in that detachably coupled to the body in the form of a drawer.