KR20010105547A - Upright-type vacuum cleaner having cyclone dust-collecting apparatus - Google Patents

Abstract

A method for simulating fluid flow within a three-dimensional object having first and second generally opposed surfaces including matching each element (DF) of said first surface with an element (CE) of said second surface between which a reasonable thickness may be defined, wherein matched elements of said first surface constitue a first set of matched elements and matched elements of said second surface constitute a second set of matched elements specifying a fluid injection point, performing a flow analysis using each set of said matched elements, whereby said injection point is linked to all locations on said first and second surfaces from which flow may emanate such that resulting flow fronts along said first and second surfaces are synchronized.

Description

Upright-type vacuum cleaner having cyclone dust-collecting apparatus

The present invention relates to an upright type vacuum cleaner, and in particular, an upright type which can eliminate the use of a dust filter as a consumable by providing a cyclone dust collector which centrifugally separates and collects various wastes contained in air introduced through a suction brush. It relates to a vacuum cleaner.

A normal upright vacuum cleaner is constructed in which a suction brush moving along a surface to be cleaned is provided at a lower part of a cleaner body. The interior of the cleaner body is divided into a dust collecting chamber and a motor driving chamber, a dust filter is detachably installed in the dust collecting chamber, and a motor is installed in the motor driving chamber. When the motor is driven, a strong suction force is generated in the suction brush, and thus air containing dust and various dirts present on the surface to be cleaned is sucked into the cleaner body. The air sucked in this way is discharged through the dust filter installed in the dust collecting chamber of the cleaner body. At this time, various kinds of dirt contained in the air are collected in the dust filter and the suction air is discharged to the outside through the motor driving room.

However, the general upright vacuum cleaner as described above has a structure in which dust and dirt are collected by using a dust filter, and therefore, a dust filter as a consumable must be provided. In addition, when the dust filter is full of dirt, it must be replaced, at this time, there is a disadvantage that it is inconvenient and unsanitary because the user has to replace the dust filter contaminated with dust by hand.

The present invention has been made in view of the above, and provided with a cyclone dust collector which centrifugally separates dust and dirt contained in the air sucked through the suction brush, and then discards the collected dirt in the cyclone dust collector. It is an object of the present invention to provide an upright vacuum cleaner which can be used and does not require a dust filter as a consumable as in the prior art.

Another object of the present invention is to provide an upright type vacuum cleaner having a cyclone dust collector which is easy to use because the collected waste is easily discharged.

1 is a perspective view showing an upright type vacuum cleaner having a cyclone dust collector according to an embodiment of the present invention;

FIG. 2 is an exploded perspective view showing the configuration of a cyclone dust collector as a main part of the upright vacuum cleaner shown in FIG. 1;

3 is an assembled state cross-sectional view for explaining the operation of the cyclone dust collector shown in FIG.

4 is a cross-sectional view showing another example of a cyclone dust collecting apparatus that is a main part of the present invention;

FIG. 5 is a bottom view showing the structure of a primary cyclone for the implementation of FIG. 4. FIG.

Explanation of symbols on the main parts of the drawings

10; cleaner main body 11; dust collection chamber

20; suction brush 30; cyclone dust collector

40; cyclone cover 41; air inlet

42; air outlet 43; air outlet

44,45; first and second skirt portion 50; first cyclone barrel

51; dirt outlet 60; second cyclone barrel

70; lower door 80; backflow prevention rod

The upright type vacuum cleaner according to the present invention for achieving the above object, the cyclone dust collector for removing the dust and dirt contained in the air flowing through the suction brush in the dust collecting chamber of the cleaner body by detachable is detachable Installed and configured.

The cyclone dust collecting apparatus includes a cyclone cover provided with an air inlet corresponding to the suction hose installed to connect the suction brush and the dust collecting chamber of the cleaner body, and an air outlet corresponding to the exhaust hose installed to connect the dust collecting chamber and the motor driving chamber; It is coupled to the cyclone cover to form a vortex air flow for the air including the dirt flowing through the air inlet while collecting various wastes contained in the air by centrifugal separation, one side discharges relatively large dirt contained in the air to the outside A first cyclone barrel in which a waste discharge port is formed; A second cyclone cylinder coupled to the cyclone cover to be located outside the first cyclone cylinder to collect dirt discharged through the dirt discharge port; And a lower door removably mounted to a lower opening of the second cyclone cylinder to discard the waste collected in the first and second cyclone cylinders.

The cyclone cover has an air outlet tube extending downward from the air outlet thereof, and at the end of the air outlet tube is a lower expanding agent that becomes larger in diameter downward to prevent backflow of dirt collected in the first cyclone cylinder. 1 skirt portion is formed. In addition, the air outlet pipe has a second skirt portion for guiding the relatively large particles of dirt contained in the air turning around the first cyclone cylinder to be discharged smoothly through the waste outlet port from the substantially central portion of the air outlet pipe toward the lower portion. It is formed as a lower expansion type which becomes larger in diameter.

The first cyclone barrel is formed in a tapered structure of a lower reduction type whose diameter gradually decreases from its approximately central portion to its lower portion. As a result, the gap between the first cyclone cylinder and the second cyclone cylinder located outside thereof becomes larger toward the lower portion, whereby the flow rate is reduced, thereby preventing backflow of the waste collected in the second cyclone cylinder.

In addition, the present invention is directed to prevent the backflow of dirt and to guide the vortex air flow of the air reversely rising from the bottom of the first cyclone cylinder to prevent the backflow disposed to reach a predetermined height from the lower center of the first cyclone cylinder With a rod.

And the lower door is detachably coupled to the lower opening of the second cyclone barrel by screwing, in which case the backflow prevention rod is integrally formed in the central portion of the lower door.

Meanwhile, the lower door may be coupled to the lower side of the second cyclone barrel by a hinge so as to be rotatable, and at this time, the lower door may be opened or closed by the locker with respect to the second cyclone cylinder. That is, by simply opening the lower door in a simple way to operate the locker it is easy to discard the waste collected inside. Here, the backflow prevention rod is preferably integrally formed by several ribs in the lower opening of the first cyclone cylinder.

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

1 is an external perspective view showing an upright type vacuum cleaner having a cyclone dust collector according to an embodiment of the present invention.

As shown in FIG. 1, an upright vacuum cleaner having a cyclone dust collector according to the present invention includes a cleaner body 10, a suction brush 20, and a cyclone dust collector 30.

The vacuum cleaner body 10 includes a dust collecting chamber 11 and a motor driving chamber (not shown), and a handle 13 is formed on the upper side of the vacuum cleaner body 10. The suction brush 20 is coupled to the lower portion of the cleaner body 10 so as to enable a rotational movement at a predetermined angle with respect to the cleaner body 10. In addition, the cyclone dust collector 30 is detachably mounted to the dust collecting chamber 11 of the cleaner body 10.

An air inlet 12 and an air outlet (not shown) are formed in the dust chamber 11, respectively. The air inlet 12 is connected to the suction brush 20 by a suction hose, and the air outlet is connected to the motor drive room by a conduit (not shown) formed inside the cleaner body 10. Air containing dust and dirt on the surface to be sucked through the suction brush 20 is introduced into the dust collecting chamber 11 through the suction hose and the air inlet 12, wherein the air is supplied to the cyclone dust collector 30. Dust and dirt are filtered out while being discharged to the outside via the motor drive room through the air outlet and the pipe of the cleaner body.

The cyclone dust collector 30 collects the dust and dirt contained in the air by centrifugal separation. The cyclone dust collector 30 is a cyclone cover 40, the first cyclone, as shown in Figs. A cylinder 50, a second cyclone cylinder 60, and a lower door 70 are provided.

The cyclone cover 40 is formed in a disc shape, and includes an air inlet 41 and an air outlet 42. When the cyclone dust collector 30 is mounted in the dust collecting chamber 11 of the cleaner body 10, the air inlet 41 is connected to the air inlet 12 of the dust collecting chamber 11, and the air outlet 42 ) Is connected to the air outlet of the dust collecting chamber (11). Here, the air inlet 41 is formed at the edge portion of the cyclone cover 40 so that the air sucked through it flows in a diagonal direction with respect to the first cyclone barrel 50 to be described later, and the air outlet 42 is It is formed in the center of the cyclone cover 40.

The first cyclone barrel 50 is formed in a cylindrical shape of the upper and lower portions, coupled to the cyclone cover 40, or integrally formed. The first cyclone cylinder 50 cooperates with the cyclone cover 40 to form a vortex air stream for the air sucked in to allow the dust and dirt contained in the air to be centrifuged. In addition, the first cyclone barrel 50 is provided with a dirt discharge port 51 for discharging the relatively large particles of dirt, which are centrifuged by the vortex air flow therein, to the outside of the first cyclone barrel 50. That is, the dust in the air is separated and dropped by the centrifugal force action by the vortex air flow formed in the first cyclone cylinder 50, and the relatively large particles are discharged to the outside through the waste discharge port 51.

At this time, the air rising inverted from the bottom of the first cyclone cylinder 50 is discharged through the air outlet 42 of the cyclone cover 40, the air outlet pipe 43 for guiding the discharge of such air is It extends downward from the air outlet 42 to a predetermined length. The length of the air outlet pipe 43 is preferably up to the position of the waste discharge pipe 51 of the first cyclone cylinder 50. On the other hand, at the end of the air outlet pipe 43, the diameter of the first skirt 44 for preventing the reverse flow of the dust and dirt collected by piggybacking in the reversely rising vortex air flow as described above is gradually larger It is formed as a lower expansion type. In addition, the air outlet pipe 43 also has a second skirt portion 45 for guiding the discharge of the large particle discharged to the outside through the waste discharge port 51 inside the first cyclone cylinder 50. It is formed as a lower expansion type that becomes larger in diameter toward the bottom. This not only prevents backflow of fine dust but also facilitates separation of large particles of dirt.

The second cyclone cylinder 60 is formed in a cylindrical shape of the upper and lower open, is coupled to the cyclone cover 40 to be located outside the first cyclone cylinder (50). The second cyclone cylinder 60 collects large dust particles discharged through the waste discharge port 51 of the first cyclone cylinder 50. On the other hand, in order to prevent backwashing collected in the second cyclone cylinder 60 by the vortex air flow formed inside the second cyclone cylinder 60, in the present embodiment, the first cyclone cylinder The structure of 50 is formed by the tapered structure of the lower reduction type whose diameter becomes smaller gradually from the center to the lower portion thereof, so that the flow velocity is reduced and the backflow of the dirt is prevented.

The lower door 70 is mounted on the lower opening of the second cyclone barrel 60 so as to be openable and close, and thus, the lower door 70 may be opened to discard the collected dirt therein. The lower door 70 is mounted on the second cyclone cylinder 60 so as to be opened and closed by screwing. On the other hand, in the substantially central portion of the lower door 70 is formed a backflow prevention rod 80 is disposed at a predetermined height in the central portion of the first cyclone cylinder (50). Thereby, the backflow of the fine dust handwritten in the lower part of the 1st cyclone cylinder 50 can be prevented more effectively.

4 and 5 show a cyclone dust collector according to another embodiment of the present invention.

The basic structure is the same as the cyclone dust collector according to an embodiment of the present invention described above. Therefore, the same reference numerals will be used and the description thereof will be omitted. Hereinafter, only the lower door 70, which is a main part of the present embodiment, will be described.

As shown, in the cyclone dust collector according to another embodiment of the present invention, the lower door 70 may be opened and closed by a hinge structure instead of being completely separated from the second cyclone cylinder 60.

Specifically, one side of the lower door 70 is connected to one side of the second cyclone cylinder 60 by a hinge 71 so as to be able to rotate open and close about the hinge 71. A locker 72 is formed at the other side of the lower door 70, and a locking protrusion 73 for selectively fixing the locker 72 is formed at the second cyclone cylinder 60 corresponding thereto. Here, as described above, when the lower door 70 is coupled to open and close rotation, when the backflow prevention rod 80 is formed in the lower door 70, as in an embodiment of the present invention, the lower door 70 by interference It cannot be opened smoothly. Therefore, in the present embodiment, the backflow prevention rod 80 is integrally formed to be supported by several ribs 81 in the lower opening of the first cyclone barrel 50.

Hereinafter, the operation of the cyclone dust collector, which is a main part of the upright vacuum cleaner according to the present invention configured as described above, will be described with reference to FIG. 3.

Air including dust and dirt introduced through the suction brush flows in an oblique direction to the first cyclone cylinder 50 through the air inlet 41 of the cyclone cover 40, whereby the first cyclone cylinder 50 Inside, a vortex air flow is formed. The centrifugal force caused by the vortex air flows to collect and separate dust and dirt from the air, and at the same time, large particles of dirt are collected to the second cyclone barrel 60 by being discharged to the outside through the dirt discharge port 51. Here, the collected fine dust is collected without being backflowed by the first skirt portion 44 and the non-return rod 80, the dirt collected in the second cyclone barrel 60 is tapered of the first cyclone cylinder (50) The structure does not flow as the flow rate decreases downwards. That is, the backflow of dirt can be prevented. In addition, the large particles discharged through the waste discharge port 51 may be more smoothly discharged by the second skirt portion 45.

On the other hand, the air descending while turning the inside of the first cyclone cylinder 50 is discharged through the air outlet pipe 43 while inverted ascending from the bottom reaches the bottom.

As described above, the present invention can effectively separate and collect dust and particles contained in air by centrifugation in double.

Thereafter, when a certain amount of dirt is filled in the cyclone cylinder, it is separated from the cleaner body, and then the lower door is opened to discard the collected dirt. At this time, according to the lower door opening and closing structure according to another embodiment of the present invention, the collected dirt can be more conveniently discarded.

According to the present invention as described above, the dust and dirt contained in the air by using a cyclone dust collector can be effectively collected and collected. That is, the use of the unsanitary dust filter as in the prior art can be eliminated. Therefore, since the dust filter does not need to be replaced periodically, the cleaner can be used more conveniently.

In addition, the cyclone dust collector according to the present invention has the advantage that the dust contained in the air is collected in two times by separating the dust and the dust with relatively large particles, so that cleaner cleaning is possible.

On the other hand, while the preferred embodiment of the present invention has been shown and described, the present invention is not limited to the above-described embodiment, the present invention belongs without departing from the spirit of the invention claimed in the claims below. Various modifications can be made by those skilled in the art, and such modifications are within the scope of the claims.

Claims (8)

The cleaner body is divided into a dust collecting chamber and a motor driving chamber, a suction brush connected to the vacuum cleaner body to move along the surface to be cleaned, and detachably installed in the dust collecting chamber of the vacuum cleaner body are included in the air sucked through the suction brush. In the upright vacuum cleaner having a cyclone dust collector for centrifuging the dust and dirt, The cyclone dust collecting device may include a cyclone cover provided with an air inlet corresponding to the suction hose installed to connect the suction brush and the dust collecting chamber, and an air outlet corresponding to the exhaust hose installed to connect the dust collecting chamber and the motor driving chamber; It is coupled to the cyclone cover to form a vortex air flow for the air including the dirt flowing through the air inlet while collecting various wastes contained in the air by centrifugal separation, one side discharges relatively large dirt contained in the air to the outside A first cyclone barrel in which a waste discharge port is formed; A second cyclone cylinder coupled to the cyclone cover to be located outside the first cyclone cylinder to collect dirt discharged through the dirt discharge port; And And a lower door removably mounted to a lower opening of the second cyclone cylinder to dispose of the waste collected in the first and second cyclone cylinders. 2. The cyclone cover of claim 1, wherein the cyclone cover has an air outlet tube extending downward from the air outlet thereof, and at the end of the air outlet tube, the diameter of the cyclone cover downwards to prevent the backflow of dirt collected in the first cyclone cylinder. An upright vacuum cleaner, characterized in that the gradually expanding lower first skirt portion is formed. The air outlet pipe of claim 2, wherein the second skirt portion for guiding the large particles of dirt contained in the air turning around the first cyclone cylinder is smoothly discharged through the waste outlet port. An upright vacuum cleaner, characterized in that it is formed as a lower expansion type that gradually increases in diameter from the lower side to the lower side. 2. The method of claim 1, wherein the first cyclone cylinder has a tapered structure of a lower reduction type, the diameter of which decreases gradually from its approximately central portion to a lower portion thereof, thereby spacing between the first cyclone cylinder and a second cyclone cylinder located outside thereof. The upright vacuum cleaner, characterized in that the flow rate is reduced by gradually increasing toward the lower portion to prevent the backflow of the dirt collected in the second cyclone barrel. 2. The counterflow according to claim 1, wherein the counterflow is arranged to reach a predetermined height from the lower center of the first cyclone cylinder to guide the vortex air flow of air reversely rising from the bottom of the first cyclone cylinder and to prevent backflow of dirt. An upright vacuum cleaner comprising a prevention rod. The upright vacuum cleaner according to claim 5, wherein the lower door is detachably coupled to the lower opening of the second cyclone cylinder by a screwing method, and the backflow prevention rod is integrally formed at the center of the lower door. . The cyclone cylinder of claim 5, wherein the lower door is coupled to the lower one side of the second cyclone cylinder by a hinge so as to be rotatable, and the other side of the lower door is provided with a locker that is locked to the locking protrusion formed on the second cyclone cylinder. Upright type vacuum cleaner, characterized in that it is easier to discard the waste collected in the. The upright vacuum cleaner as claimed in claim 7, wherein the non-return bar is integrally formed by several ribs in the lower opening of the first cyclone cylinder.