KR101629300B1

KR101629300B1 - A vacuum cleaner

Info

Publication number: KR101629300B1
Application number: KR1020090104291A
Authority: KR
Inventors: 이창훈; 김성준; 현기탁
Original assignee: 엘지전자 주식회사
Priority date: 2009-10-30
Filing date: 2009-10-30
Publication date: 2016-06-10
Also published as: KR20110047597A

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner which is disposed in a suction nozzle and removes a foreign matter such as a hair from being wound on a rotating member for removing foreign matter.

The present invention includes a main body; A suction nozzle; A rotary member provided inside the suction nozzle; And a cleaning belt member connected to the rotating member such that a contact area with respect to the cleaning object is wider than the rotating member.

Cleaning belt member, rotating member

Description

[0001] The present invention relates to a vacuum cleaner,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vacuum cleaner, and more particularly, to a vacuum cleaner which can prevent a foreign matter from being wound on a rotating member disposed in a suction nozzle.

A vacuum cleaner is a device for removing foreign matters on the floor or carpet of a building. Generally, the vacuum cleaner is used to collect foreign matter.

Such a vacuum cleaner can be classified into a canister vacuum cleaner and an up-right vacuum cleaner depending on the type thereof.

In the case of the canister vacuum cleaner, the suction nozzle and the main body of the vacuum cleaner are connected by the hose. In the case of the upright vacuum cleaner, the suction nozzle is provided in front of the bottom of the main body of the vacuum cleaner.

The suction nozzle is provided with a rotating member for contacting the floor and sweeping off dust or other foreign matter on the floor, which is also referred to as an agitator.

Such a rotating member is generally formed in a cylindrical shape, and a bladder is mounted on the outer circumferential surface of the rotating member so that dust or other foreign matter may be caught on the blade to be cleaned.

Thus, the dust or other foreign matter on the floor is separated from the floor by the rotating member, and is moved toward the body by the vacuum pressure generated in the motor provided in the main body, and then collected in the dust collecting container.

However, in the case of a foreign matter having a certain length such as a hair or a thread, there is a problem that the foreign matter is wound around the outer circumferential surface of the rotating member after contacting the rotating member, and there is a problem in that it is difficult to remove such foreign matter from the rotating member.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vacuum cleaner capable of preventing a foreign matter having a certain length such as hair or yarn from being wound on the rotary member.

According to an aspect of the present invention, A suction nozzle; A rotary member provided inside the suction nozzle; And a cleaning belt member connected to the rotating member such that a contact area with respect to the cleaning object is wider than the rotating member.

The cleaning belt member may include a plurality of rotation members, and the cleaning belt member may be provided to surround the rotation member, and may rotate the cleaning belt member in accordance with rotation of the rotating member to clean .

The cleaning belt member may have a protruding portion or an insertion hole through which the protruding portion provided in the rotating member penetrates to facilitate removal of foreign matter by the protruding portion or protruding portion.

According to the present invention, the area of contact between the cleaning belt member and the cleaning object is greatly increased compared to the contact area between the rotating member and the cleaning object such as the floor or the carpet, so that the removal of the foreign object in the cleaning object can be performed more efficiently It was.

In addition, since the circumferential length of the cleaning belt member is significantly increased compared to the circumferential length of the outer circumferential surface of the rotating member, the possibility of occurrence of the problem of foreign matter such as yarn and hair being wound can be reduced.

Hereinafter, embodiments of the present invention will be described.

It should be understood, however, that there is no intention to limit the scope of the present invention to the particular embodiments shown and that those skilled in the art, upon reading and understanding the spirit of the present invention, Of course.

1 is an upright vacuum cleaner. The vacuum cleaner includes a main body 100, a dust collecting container 110 detachably installed in the main body 100, And a suction nozzle (200).

The main body 100 is provided with a dust collecting container receiving part 120 in which the dust collecting container 110 is received and air and foreign substances sucked from the suction nozzle 200 are supplied to the outside of the main body 100, A guide pipe 130 for guiding the air to the air conditioner 110 is provided.

A discharge port 140 for discharging purified air in the main body 100 is provided at a side of the main body 100 and a pressing plate 140 for controlling the angle of the main body 100 is provided at a lower rear portion of the main body 100. [ (150).

In addition, a wheel 520 capable of moving the main body 100 is provided at a side lower portion of the main body 100.

A cleaning belt member 310 is provided inside the suction nozzle 200 to remove foreign substances from the bottom by contacting the bottom of the suction nozzle 200. The cleaning belt member 310 is wound around a plurality of rotating members 320 .

As shown in FIG. 2, the cleaning belt member 310 and the rotating member 320 are accommodated in the suction nozzle 200.

A driving device 400 for driving the rotating member 320 is provided at a rear side of the rotating member 320. The driving device 400 includes a driving motor 410, And a driving belt 430 connecting the rotating shaft 420 and the rotating member 320 to each other.

Here, a plurality of the rotary members 320 are provided. In this embodiment, the rotary members 320 are provided in two, but the present invention is not limited thereto.

The two rotating members 320 include a first rotating member 330 provided at the front and a second rotating member 340 provided at the rear of the first rotating member 330, Is disposed across the first rotating member 330 and the second rotating member 340.

The drive belt 430 is engaged with the second rotary member 340 so that the drive motor 410 is operated to rotate the rotary shaft 420. The drive belt 430 receives the drive force from the drive belt 430, The second rotating member 340 rotates and the power transmitted to the second rotating member 340 becomes a driving force for rotating the cleaning belt member 310.

As the cleaning belt member 310 rotates, the first rotating member 340 also rotates.

The second rotary member 340 is provided with a drive shaft portion 341 and the drive belt 430 is wound on the drive shaft portion 341. A support portion 342 for rotatably supporting the drive shaft portion 341 is provided at one end of the drive shaft portion 341.

It is preferable that a diameter of a portion of the second rotating member 340 on which the cleaning belt member 340 is extended is larger than that of the driving shaft portion 340. This is because the overall area of the cleaning belt member 340 Is formed to be larger than that.

An upper cover 210 covering the suction nozzle 210 is provided on the suction nozzle 200 so that the driving device 400 and the cleaning belt member 310 are not exposed from the outside.

3, a lower cover 230 is provided at a lower portion of the suction nozzle 200. The lower cover 230 includes a suction inlet / outlet 231 corresponding to the position of the cleaning belt member 310, And a cover portion 232 provided on both sides of the suction port 231 to prevent both ends of the rotating member 310 from being exposed to the outside.

The cleaning belt member 310 passes through the suction port 231 and comes into contact with the floor to be cleaned. The cover part 232 prevents foreign matter from being directed to both ends of the rotating member 320 so that the rotating movement of the rotating member 320 is not disturbed.

4, the first rotating member 330 and the second rotating member 340 are spaced apart from each other and the outer circumferential surface of the first rotating member 330 and the second rotating member 340 The cleaning belt member 310 is stuck on the outer peripheral surface of the cleaning belt member 310.

When the second rotary member 340 is driven by the driving device 400, the driving force transmitted to the second rotary member 340 is transmitted to the cleaning belt member 310 by the cleaning belt member 310, And is transmitted to the first rotating member 330 so that the first rotating member 330 rotates.

Thus, as long as the driving device 400 continues to be driven, the rotation of the cleaning belt member 310 can be continued by the support of the first and second rotating members 330 and 340.

A plurality of protrusions 311 are provided on the outer surface of the cleaning belt member 310 so that the protrusions 311 can easily catch foreign matter on the floor or carpet to be cleaned.

It is preferable that the protrusions 311 are spaced apart from each other by a predetermined distance in the left-right direction and spaced apart from each other by a predetermined distance in the forward and backward directions so that foreign matter is easily caught between the protrusions 311.

The diameter of the portion where the cleaning belt member 310 is caught is larger than that of the driving shaft portion 341. This is because the cleaning belt member 310 and the second rotating member 340, So that the contact area of the one rotating member 330 is increased so that the movement of the cleaning belt member 310 due to the sliding friction becomes more smooth.

5 shows another embodiment of the cleaning belt member 310 and the first and second rotating members 330 and 340. A plurality of protrusions 335 and 345 are formed on the outer circumferential surface of the first and second rotating members 330 and 340 And an insertion hole 315 through which the protrusion is inserted is provided on the surface of the cleaning belt member 310. [

The gap between the insertion holes 315 corresponds to the distance between the front and rear ends of the protrusions 335 and 345 so that the cleaning belt member 310 smoothly rotates by the rotation of the first and second rotary members 330 and 340 .

The protrusion length of the protrusions 335 and 345 may be longer than the thickness of the cleaning belt member 310.

This is because the ends of the protrusions 335 and 345 are brought into contact with the floor or carpet to be cleaned, so that the foreign matter is easily caught in this part.

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

6, when the user operates the vacuum cleaner, the driving motor 410 provided in the main body 100 operates to form vacuum pressure in the main body 100, Dust or other foreign matter existing in the lower part of the main body 100 is introduced into the main body 100.

When the driving motor 410 constituting the driving device 400 operates, the driving motor 410 and the driving shaft portion 341 of the second rotating member 340 are connected to each other, The driving belt 310 rotates, thereby rotating the second rotating member 340. [

When the second rotating member 340 rotates, the cleaning belt member 310 and the first rotating member 330 rotate together.

The cleaning belt member 310 is in contact with a floor or carpet to be cleaned. At this time, the protrusion 311 contacts the object to be cleaned as in the first embodiment or is provided on the rotating member 310 as in the second embodiment The protrusions (see FIG. 5, 335 and 345) come in contact with the object to be cleaned and remove the foreign object from the object to be cleaned.

However, since the circumferential length of the cleaning belt member 310 is significantly longer than the circumferential length of the conventional rotating member 320, it is possible to prevent the hair from rotating around the circumferential surface of the conventional rotating member 320 It is difficult for the foreign matter h such as the thread to surround the cleaning belt member 310 as well.

As shown in FIG. 6, since the foreign matter h having a certain length is attached to the cleaning belt member 310, it can not be surrounded by the rotating member 320 so as to surround it.

The foreign substance h located on the surface of the cleaning belt member 310 is not provided in the form of winding the cleaning belt member 310 but is simply caught by the cleaning belt member 310, (See FIG. 1) provided in the main body 100 by being easily separated from the cleaning belt member 310 by the vacuum pressure in the main body 100. [

6, in order to maximize the contact surface area of a cleaning object such as a floor or a carpet and to maximize the function of removing foreign substances on the object to be cleaned, a state in which the lower surface of the cleaning belt member 310 is parallel to the object to be cleaned Respectively.

On the other hand, in FIG. 7, the cleaning belt member 310 is arranged not to be horizontal with the cleaning object such as floor or carpet but with a predetermined inclination.

Particularly, the front of the cleaning belt member 310 is in contact with the object to be cleaned, and the rear of the cleaning belt member 310 is spaced apart from the object to be cleaned, This is the purpose of making it more reliable.

The rear portion of the cleaning belt member 310 is further provided closer to the suction passage 101 provided in the main body 100 so that the foreign matter on the surface of the cleaning belt member 310 can be easily moved to the inside of the main body 100 So that it can be sucked in.

6 and 7 are based on the first embodiment in which the protruding portion 311 is provided on the surface of the cleaning belt member 310. However, 315), and the protrusions (see FIG. 5, 335, 345) are inserted into the second embodiment.

1 is an exploded perspective view of a vacuum cleaner according to the present invention.

2 is a top plan view of a suction nozzle of a vacuum cleaner according to the present invention.

3 is a bottom plan view of the suction nozzle of the vacuum cleaner according to the present invention.

4 shows a first embodiment of a cleaning belt member and a rotating member of a vacuum cleaner according to the present invention.

5 shows a second embodiment of a cleaning belt member and a rotating member of a vacuum cleaner according to the present invention.

6 and 7 are side cross-sectional views illustrating the operation of the vacuum cleaner according to the present invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

200: suction nozzle 310: cleaning belt member

320: rotating member 330: first rotating member

340: first rotating member 400: driving device

410: drive motor 420:

430: drive belt

Claims

A body; A suction nozzle;

A rotary member provided inside the suction nozzle;

And a cleaning belt member connected to the rotating member such that the contact area with respect to the cleaning object is wider than the rotating member,

A protrusion provided on an outer circumferential surface of the rotating member;

And an insertion hole provided in the cleaning belt member and into which the protrusion is inserted,

Wherein the projecting portion protrudes outside the surface of the cleaning belt member through the insertion hole so that the foreign object in the cleaning object can be caught.

The method according to claim 1,

Wherein the rotating member is provided in a plurality of spaces,

Wherein the cleaning belt member is provided to surround the plurality of rotating members so that the rotational motion of the one rotating member is transmitted to the other rotating member.

3. The method of claim 2,

The rotary member includes a first rotary member disposed in front of the suction nozzle;

And a second rotating member spaced apart from the rear of the first rotating member,

And a driving device connected to the second rotating member to rotate the second rotating member.

The method of claim 3,

Wherein the cleaning belt member surrounds the outer circumferential surfaces of the first rotating member and the second rotating member,

Wherein the first rotating member is rotated by receiving the rotating force of the second rotating member rotated by the driving device from the cleaning belt member.

3. The method of claim 2,

Further comprising a protruding portion provided on a surface of the cleaning belt member so that a foreign object in the cleaning object can be caught.

delete

3. The method of claim 2,

And the lower surface of the cleaning belt member is disposed so as to form a parallel state with the object to be cleaned.

3. The method of claim 2,

Wherein the lower surface of the cleaning belt member is disposed at an angle to the cleaning object.