KR100883198B1 - Convertible vacuum cleaner - Google Patents

Abstract

Convertible vacuum cleaner according to the present invention comprises a nozzle (30) having a suction port; A cleaner body 40 having a dust collecting chamber and a motor driving chamber and detachably coupled to the nozzle; A flexible hose 50 coupled to one side of the cleaner body so that one end is connected to the dust collecting chamber and the other end is connected to the suction port; A cyclone dust collector (60) connected to one end of the flexible hose (50) and installed in the dust collecting chamber to collect foreign substances sucked from the other end of the flexible hose (50); A handle 80 installed at one side of the cleaner body 40 to be variable in length; And a moving wheel 70 rotatably installed under the cleaner body 40. According to the present invention configured as described above, it is possible to adjust the length of the handle 80 and to improve the mobility of the cleaner body 40 can be easily performed cleaning, by eliminating the need to replace the filter according to the replacement of the filter Maintenance cost can be reduced.

Convertible Vacuum Cleaners, Handles, Cyclone Dust Collectors, Wheels

Description

Convertible vacuum cleaner

1 is a perspective view schematically showing a conventional convertible vacuum cleaner,

2 is a perspective view schematically showing a convertible vacuum cleaner according to a preferred embodiment of the present invention;

3 is an exploded perspective view of FIG. 2;

4 is a rear perspective view illustrating a state in which the cleaner body and the nozzle of FIG. 2 are separated;

5 is a partial cross-sectional view taken from the handle of FIG.

<Description of Symbols for Major Parts of Drawings>

30; Nozzle 31; Seat

33; body coupling mechanism 40; cleaner body

41, 42; upper and lower housings 43; dust chamber cover

44; Fixture 45; Hose End Connection

46; air exhaust hole 48; guide groove

50; flexible hose 60; cyclone dust collector

63; cyclone body 64; waste container

70; wheel 80; handle                 

81; handle 82; pipe

90; lever 93; spring

The present invention relates to a vacuum cleaner, and more particularly, to a convertible vacuum cleaner which can be used in two modes, an upright type or a canister type, depending on a place to be cleaned.

In general, the vacuum cleaner is a device for sucking and removing dust or foreign matter on the cleaning surface by using a vacuum pressure generated in the vacuum motor installed in the main body, there are various forms such as canister type, upright type, stick type, handy type. Among them, the canister and upright vacuum cleaners are commonly used in the home.

The canister vacuum cleaner is connected to a vacuum cleaner body having a motor and a dust collecting chamber by a flexible hose and / or an extension tube, and is advantageous when cleaning a staircase, a closet, or a cleaning surface on which an obstacle is placed. However, since the canister vacuum cleaner does not easily carry around the cleaner body connected to the nozzle by the flexible hose during the cleaning operation, there is a disadvantage in that maneuverability is poor when cleaning a large cleaning surface.

In addition, the upright vacuum cleaner is a nozzle having a rotary brush is directly coupled to the vacuum cleaner body having a motor drive chamber and a dust collection chamber, it is advantageous to clean a large cleaning surface such as carpet or floor. However, the upright vacuum cleaner has a difficulty in cleaning the cleaning surface with obstacles such as stair cleaning or furniture.

Meanwhile, in recent years, convertible vacuum cleaners having all the advantages of the canister vacuum cleaner and the upright vacuum cleaner have been developed. A convertible vacuum cleaner is a cleaner that can be converted to a canister type or an upright type according to a place to be cleaned, and US Pat. No. 5,432,21 discloses one example of such a convertible vacuum cleaner.

As shown in FIG. 1, the disclosed convertible vacuum cleaner includes a nozzle 10 having a suction port and a rotating brush and a cleaner body 20 detachably coupled to the nozzle 10. The cleaner body 20 includes a filter bag housing 21 and a motor housing 22. The nozzle 10 is provided with a support 13 on which the base support member 11 and the handle 12 are installed so that the cleaner body 20 can be coupled thereto.

In the convertible vacuum cleaner having the above configuration, when cleaning a wide cleaning surface such as a carpet or a floor, the cleaner main body 20 is mounted on the base support member 11 to be used as an upright vacuum cleaner. In this case, the cleaner body 20 is supported by the base support member 11 and the support 13, and the filter bag installed in the filter bag housing 21 is connected to the inlet of the nozzle 10 through the flexible hose 23. . The user removes the foreign matter on the cleaning surface while moving the nozzle 10 using the handle 12. Here, the foreign matter sucked through the suction port of the nozzle 30 is collected in the filter bag of the filter bag housing 21 through the flexible hose 23.                         

When the cleaning surface is narrow or there are obstacles such as furniture on the cleaning surface, the cleaner body 20 is separated from the nozzle 10 and used as a canister vacuum cleaner. The user moves the cleaner body 20 separated from the nozzle 10 to a place to be cleaned using the handle 12 provided in the cleaner body 20, and then the corner nozzle at one end of the flexible hose 23. A cleaning tool will be performed by connecting an auxiliary tool such as

However, since the length of the handle 12 is constant, the convertible vacuum cleaner as described above may have difficulty in operating the vacuum cleaner according to a user, and the cleaning operation may be performed by separating the cleaner body 20 from the nozzle 10. When performing, there is an inconvenience of carrying a heavy cleaner body 20 and moving it. In addition, when foreign matters accumulate in the filter bag, it is necessary to replace it with a new one, which causes a problem of increasing the maintenance cost of the vacuum cleaner.

The present invention has been made in view of the above problems, the object of the present invention is to provide a convertible vacuum cleaner capable of adjusting the length of the handle and improved mobility of the cleaner body to facilitate the cleaning operation.

In addition, another object of the present invention is to provide a convertible vacuum cleaner that can reduce the maintenance cost according to the replacement of the filter by eliminating the need to replace the filter.

Convertible vacuum cleaner according to the present invention for achieving the above object is a nozzle having a suction port; A cleaner body having a dust collecting chamber and a motor driving chamber, the cleaner body being detachably coupled to the nozzle; A flexible hose coupled to one side of the cleaner body such that one end is connected to the dust chamber and the other end is connected to the suction port; A cyclone dust collector connected to one end of the flexible hose and installed in the dust collecting chamber to collect foreign substances sucked from the other end of the flexible hose; A handle installed at one side of the cleaner body to be variable in length; And a moving wheel rotatably installed under the cleaner body.

In the present invention having the above configuration, the handle, the pipe is installed so as to slide in the guide groove formed in the cleaner body; And a handle installed at the end of the pipe, and preferably, fixing means for fixing the pipe to the guide groove to adjust the length of the handle.

In addition, a through hole connected to the guide groove is formed at one side of the cleaner body, and the pipe has an insertion hole corresponding to the through hole, and the fixing means has one end of the through hole penetrating the insertion hole. A lever having a protrusion inserted into the lever; A bracket for rotatably supporting the lever; And a spring for pressing one side of the bracket so that the protrusion is inserted into the through hole.

In addition, the moving wheel is preferably installed on each of the support brackets installed left and right outside the motor housing.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of a convertible vacuum cleaner according to the present invention.                     

Figure 2 is a perspective view schematically showing a convertible vacuum cleaner according to a preferred embodiment of the present invention, Figure 3 is an exploded perspective view of Figure 2, Figure 4 is a rear perspective view showing a state in which the cleaner body and the nozzle of Figure 2 separated, and 5 is a partial cross-sectional view taken from the handle of FIG.

2 to 4, the convertible vacuum cleaner according to the present invention includes a nozzle 30, a cleaner body 40, a cyclone dust collector 60, a moving wheel 70 and a handle 80. ).

The nozzle 30 has a suction port (not shown) for suctioning foreign substances in the lower portion and a rotating brush (not shown) for dusting off foreign substances on the cleaning surface. Then, the upper part of the nozzle 30 is formed so that the seating portion 31 on which the cleaner body 40 is seated, and the groove 32 in which the moving wheel 70 is inserted is formed in the seating portion 31. One side of the seating part 31 is provided with a body coupling mechanism 33 coupled to the cleaner body 40 so that the cleaner body 40 is not separated from the nozzle 30. In addition, both sides of the nozzle 30 are provided with wheels 34 for movement, and one side of the nozzle 30 is formed with a first connection hole 35 connected to the suction port. One end of the flexible hose 50 is selectively coupled to the connection hole 35.

The cleaner body 40 includes an upper housing 41 having a dust collecting chamber 41a and a lower housing 42 having a motor driving chamber (not shown), and the lower housing 42 has a seating portion 31. ) Is mounted on the nozzle 30 by being detachably seated. The upper housing 41 has an opening part 41b for mounting or detaching the cyclone dust collector 60, which is opened and closed by the dust chamber cover 43. In addition, a fixing tool 44 for fixing the cyclone dust collecting device 60 is installed in the dust collecting chamber 41a, and the user manipulates the operating lever 44a of the fixing tool 44 to collect the cyclone dust collecting device 60. Is fixed to the dust collecting chamber 41a or separated from the dust collecting chamber 41a.

In addition, a second connection hole (not shown) connected to the dust collecting chamber 41a is formed at one side of the upper housing 41, and the hose connector 45 is coupled to the second connection hole. The other end of the flexible hose 50 is connected to the hose connector 45, and when one end of the flexible hose 50 is connected to the first connection hole 35 of the nozzle 30, the suction port and the dust collecting chamber of the nozzle 30 are connected. 41a is connected via a flexible hose 50. In addition, inside the upper and lower housings 42, an air discharge path (not shown) connecting the dust collecting chamber 41a and the motor driving chamber is provided. Therefore, when the motor of the motor drive chamber is operated, the air of the dust collecting chamber 41a is sucked into the motor drive chamber side through the air discharge hole 46 connected to the air discharge path.

The cyclone dust collector 60 includes a cyclone body 63 having an air suction pipe 61 and an air discharge pipe 62 and a waste container 64 coupled to a lower portion of the body 63. . The cyclone body 63 is installed in the dust collecting chamber 41a by the fastener 44, and at this time, the air intake pipe 61 is connected to the second connection hole to which the hose connector 45 is coupled and the air discharge pipe 62 is connected. Is connected to the air outlet 46.

The moving wheel 70 is provided to easily move the cleaner body 40 separated from the nozzle 30 and is installed below the cleaner body 40. Since the moving wheel 70 is seated on the seating portion 31 of the nozzle 30 together with the lower housing 42 when the cleaner body 40 is coupled to the nozzle 30, the nozzle 30 is large in size. There is a difficulty in forming the seating portion 31. Therefore, it is preferable that the moving wheel 70 is rotatably installed on the support brackets 47 provided at both lower sides of the lower housing 42 at a predetermined size.

The handle 80 is installed on the cleaner body 40 so that its length can be varied, and includes a handle 81 and a pair of pipes 82 coupled to the handle 81. The pipe 82 is slidably coupled to the guide groove 48 provided in the upper housing 41 and includes a plurality of insertion holes 82a. And, as shown in Figure 5, one side of the upper housing 41, the through hole 49 corresponding to the insertion hole (82a) and the projection is inserted into the insertion hole (82a) through the through hole 49 A lever 90 having a 90a is provided. The lever 90 is rotatably supported by the hinge shaft 92 on the support 91 installed in the upper housing 41, and a spring 93 is provided on the opposite side of the protrusion 90a about the hinge shaft 92. Combined. Therefore, when the projection 90a is inserted into the insertion hole 82a of the pipe 82 through the through hole 49 by the pressing force of the spring 93, the length of the handle 80 is fixed, and the user has a lever 90 When pressing one end of the lever 90 is rotated about the hinge axis 91 so that the projection (90a) is separated from the insertion hole (82a) can vary the length of the handle (80).

Hereinafter, with reference to the accompanying drawings will be described the operation of the convertible vacuum cleaner according to the present invention.

When the convertible vacuum cleaner according to the present invention is used in the upright mode for cleaning a wide cleaning surface such as a carpet or a floor, the cleaner body 40 is seated on the seating portion 31 of the nozzle 30. In addition, the lower housing 42 is coupled to the body coupling mechanism 33, the flexible hose 50 is coupled to the hose connector 45 is connected to the first connecting hole 35 of the nozzle (30).

In addition, the user grasps the handle 80 and moves the nozzle 30 to perform a cleaning operation. When a vacuum suction force is generated in the motor drive chamber, the foreign substance sucked into the suction port of the nozzle 30 is provided with a flexible hose (with air). 50 is introduced into the cyclone body (63). The foreign matter centrifuged while turning with the air in the cyclone body 63 is collected in the waste container 64, the air is introduced into the motor drive chamber through the air discharge pipe 62 and the air discharge path, and then the cleaner body 40 ) It is discharged to the outside.

When the convertible vacuum cleaner according to the present invention is used in the canister mode, the user separates and uses the cleaner body 40 from the nozzle 30. At this time, the flexible hose 50 is separated from the first connecting hole 35 of the nozzle 30, and the auxiliary tool such as a corner nozzle is used to be coupled to the end of the detached flexible hose 50. The user grabs the handle 80 and tilts the cleaner body 40 so that the moving wheel 70 contacts the cleaning surface while moving the cleaner body 40 to clean the cleaning surface with corners or obstacles.

On the other hand, if the foreign matter is filled in the waste container 64 of the cyclone dust collector 60 by using the vacuum cleaner for a long time, the user removes the dust chamber cover 43 from the upper housing 41 and the operating lever of the fixture 44 By operating 90, the cyclone dust collector 60 is taken out of the dust collecting chamber 41a. Then, the cyclone main body 63 and the waste container 64 are separated to clean the waste container 64. Since the waste container 64 can be cleaned from time to time and reinstalled in the dust collecting chamber 41a, the dust collecting chamber 41a can be kept clean.

According to the present invention as described above, since the length of the handle installed on the cleaner main body can be properly adjusted according to the user, there is an effect that the operation of the cleaner for movement is easy.

In addition, since the moving wheel is installed in the lower part of the cleaner body, when the cleaner body is separated from the nozzle and used in the canister mode, the cleaner body can be easily moved without lifting the cleaner body.

In addition, according to the present invention, since the cyclone dust collector in which foreign matter is collected can be removed from the dust chamber and cleaned and then installed again, the cyclone dust collector can reduce the maintenance cost by replacing the filter.

While the invention has been shown and described with respect to preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (5)

A nozzle having a suction port; A cleaner body including an upper housing having a dust collecting chamber and a lower housing having a motor driving chamber, the cleaner body being detachably coupled to the nozzle; A flexible hose coupled to one side of the cleaner body such that one end is connected to the dust chamber and the other end is connected to the suction port; A cyclone dust collector connected to one end of the flexible hose and installed in the dust collecting chamber to collect foreign substances sucked from the other end of the flexible hose; A handle installed at one side of the cleaner body to be variable in length; A first moving wheel rotatably installed at a lower portion of the cleaner body to help move the cleaner body when the cleaner body is separated from the nozzle; And And a second moving wheel rotatably installed on the nozzle to assist the movement of the nozzle together with the cleaner body when the cleaner body is mounted on the nozzle. The method of claim 1, wherein the handle, A pipe slidably installed in a guide groove formed in the upper housing; And A handle installed at the pipe end; and a convertible vacuum cleaner comprising: a. The method of claim 2, Convertible vacuum cleaner characterized in that the fixing means for fixing the pipe to the guide groove to adjust the length of the handle. The method of claim 3, wherein One side of the upper housing is formed with a through hole connected to the guide groove, the pipe has an insertion hole corresponding to the through hole, The fixing means, A lever provided with a protrusion penetrating the through hole at one end and inserted into the insertion hole; A bracket for rotatably supporting the lever; And And a spring pressurizing one side of the bracket such that the protrusion is inserted into the through hole. The method of claim 1, The first movable wheel is a convertible vacuum cleaner, characterized in that each installed on the support brackets installed on the left and right outside the lower housing.

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