KR102178458B1 - Vacuum cleaner - Google Patents

Abstract

The present invention is a dust collection unit including a dust collection case provided to be divided into a first dust collection unit and a second dust collection unit, a flow path forming member forming a flow path for guiding air sucked into the dust collection case and air discharged from the dust collection case, and a vacuum cleaner having the same The flow path forming member is provided with a suction port formed by opening a part of its outer circumferential surface, and a first suction flow path for guiding the air sucked into the first dust collecting unit is provided inside the flow path forming member, so the dust collecting unit has a structure protruding outward. There is no dust collection unit, so it is possible to configure the dust collection unit more compactly.

Description

Vacuum cleaner {VACUUM CLEANER}

The present invention relates to a vacuum cleaner equipped with a dust collecting unit that collects foreign substances in a cyclone method.

In general, a vacuum cleaner is a device that sucks dust together with air by a suction force generated by a fan rotating by a motor, separates the dust contained in the sucked air from the air, and collects dust to perform cleaning.

Recently, among such vacuum cleaners, there is a vacuum cleaner including a first cleaning module including a head unit equipped with a brush to clean the floor, and a second cleaning module detachably installed in the first cleaning module and used in a handy manner.

At this time, the second cleaning module used in a handy method includes a fan motor that generates suction power and a dust collecting unit that filters foreign substances sucked together with air by the second cleaning module, and the second cleaning module is designed to be used by the user by hand. Therefore, it is necessary to make the size of the dust collecting unit small.

An aspect of the present invention provides a dust collection unit that can be formed in a smaller size, and a vacuum cleaner having the dust collection unit.

A dust collection unit and a vacuum cleaner according to an embodiment of the present invention include a dust collection case in which dust is collected, and a flow path forming member forming a flow path for guiding air sucked into the dust collection case and air discharged from the dust collection case, The dust collecting case is divided into a first dust collecting part for primary dust collection and a second dust collecting part for secondary dust collection, and the flow path forming member has a suction port formed by opening a part of its outer circumferential surface, and provided inside the suction port. It includes a first suction passage for guiding the air sucked into the dust collecting unit.

In addition, a plurality of second suction passages for guiding the air sucked into the second dust collecting part are provided inside the passage forming member, and the first suction passage and the second suction passage are located on the same circumference.

In addition, the first dust collecting part is formed in an annular shape in the dust collecting case, and the second dust collecting part is formed inside the first dust collecting part.

Further, the first suction passage extends in a tangential direction with respect to the first dust collecting part, and the second suction passage extends in a tangential direction with respect to the second dust collecting part.

In addition, the flow path forming member includes a suction guide part extending in a circumferential direction inside the suction port to form the first suction passage, and the suction guide part extends obliquely toward the dust collecting case.

In addition, the dust collecting case is formed in a hollow cylindrical shape with one side closed so that the first dust collecting part and the second dust collecting part are partitioned by an annular partition wall, and the flow path forming member covers one side of the dust collecting case. It is installed so as to cover and guides air sucked into the first dust collecting unit and air discharged from the second dust collecting unit.

In addition, a first cyclone member for guiding the cyclone flow to occur in the first dust collecting unit, and a second cyclone member disposed inside the first cyclone member to generate a cyclone flow in the second dust collecting unit, the second The first suction passage is provided in the flow path forming member, and the second suction passage is provided in the second cyclone member.

In addition, the first cyclone member includes a first cyclone flow unit formed in a hollow truncated cone shape, and a plurality of the first cyclone flow units provided in the first cyclone flow unit to allow air from the first dust collecting unit to flow into the first cyclone flow unit. Includes communication balls.

In addition, the second cyclone member includes a second cyclone flow portion formed in a hollow truncated shape and spaced apart from the inside of the first cyclone flow member, and the plurality of second suction passages transfer air to the inside of the second cyclone flow portion. Is provided in

In addition, the flow path forming member includes a discharge passage provided to guide air discharged at the center thereof.

In addition, the flow path forming member includes a plurality of discharge guide ribs protruding from the inner circumferential surface of the discharge passage and spaced apart from each other in the circumferential direction.

In addition, a filter disposed to cover the discharge passage to filter foreign substances from air discharged through the discharge passage is further included.

In addition, the vacuum cleaner according to an embodiment of the present invention includes a first cleaning module for cleaning the floor and a first cleaning module that is detachably coupled to the first cleaning module and separated from the first cleaning module to perform cleaning in a handy manner. Including 2 cleaning module, wherein the second cleaning module includes a main body receiving a fan motor generating a suction force, an extension tube provided on one side of the main body to allow a user to perform cleaning in a state away from the object, and the extension tube And a dust collecting unit for separating dust from the air sucked through, wherein the dust collecting unit is provided with a part of its outer circumferential surface open for inhaling air, and has a suction port facing the extension pipe while the dust collecting unit is mounted on the main body. Include.

As described above, in the dust collecting unit and the vacuum cleaner according to an embodiment of the present invention, since the opening is provided on the outer circumferential surface of the flow path forming member and the first suction passage is provided inside the opening, there is no structure protruding outside the dust collecting unit. Can be configured more compactly.

In addition, since the opening of the dust collection unit faces the extension pipe in the state where the dust collection unit described above is installed in the main body of the second cleaning module, the flow path inside the main body can be configured more simply.

1 is a perspective view of a vacuum cleaner according to an embodiment of the present invention.
2 is an exploded perspective view showing a state in which the second cleaning module is separated from the first cleaning module in the vacuum cleaner according to an embodiment of the present invention.
3 is an exploded perspective view showing a state in which a second dust collecting unit is separated from a second cleaning module in the vacuum cleaner according to an embodiment of the present invention.
4 is an exploded perspective view of a second dust collecting unit in the vacuum cleaner according to an embodiment of the present invention.
5 is a bottom exploded perspective view of a second dust collecting unit in the vacuum cleaner according to an embodiment of the present invention.
6 is a cross-sectional view of a second dust collecting unit in the vacuum cleaner according to an embodiment of the present invention.
7 is a cross-sectional view of a dust collecting unit showing a first suction passage and a second suction passage in the vacuum cleaner according to an embodiment of the present invention.

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

As shown in FIGS. 1 and 2, the vacuum cleaner according to an embodiment of the present invention is detachably separated from the first cleaning module 100 and the first cleaning module 100 to clean the floor in an upright manner. It is installed and is separated from the first cleaning module 100 and includes a second cleaning module 200 to perform cleaning in a handy manner.

The first cleaning module 100 is connected to the first body 110 accommodating a first fan motor (not shown) that generates suction power, and is connected to the front side of the first body 110 and contacts the floor to be cleaned to provide air. A head unit 120 that sucks dust on the bottom surface together with a first dust collecting unit 130 that separates dust from the air sucked through the head unit 120 by suction force generated by the first fan motor, and 1 It includes a wheel assembly 140 mounted on the main body 110 to allow the first main body 110 to move along the floor to be cleaned, and an extension frame 150 extending upward from the first main body 110, and , The second cleaning module 200 described above is detachably installed on the extension frame 150.

The first body 110 is equipped with a first fan motor that generates suction power therein, and can move along the bottom surface through the wheel assembly 140. In addition, the above-described first dust collecting unit 130 is mounted on the first body 110.

The first dust collecting unit 130 receives the air sucked from the head unit 120 and separates and collects dust contained in the air. In this embodiment, the first dust collecting unit 130 separates and collects dust from the air in a cyclone method.

The wheel assembly 140 includes a pair of wheels 141 disposed on both left and right sides, and a wheel bracket 142 having two wheels 141 rotatably installed and rotatably supporting the first body 110 do.

The second cleaning module 200 is provided on one side of the second main body 210 and the second main body 210 that accommodates a second fan motor (not shown) that generates suction power therein, and is spaced apart from the object to be cleaned by the user. The connection between the extension pipe 220 for performing cleaning in the state, the second dust collection unit 230 for separating and collecting dust from the air sucked through the extension pipe 220, and an external power source (not shown) It includes an extension line 240 and a plug 250 for, and the second body 210 includes a handle part 211 on one side of which the user can hold and use the second cleaning module 200.

The second body 210 is equipped with a second fan motor (not shown) that generates suction power therein. The above-described handle part 211 is provided on the upper end of the second body 210 based on the drawing, and the aforementioned extension pipe 220 is connected to the lower end of the second body 210.

The extension tube 220 is detachably installed on the second body 210, and connects the extension tube 220 to the second body 210 so that air is sucked through the extension tube 220, or the extension tube 220 is removed. 2 It is possible to separate from the main body 210 so that air is directly sucked into the second main body 210.

At the rear of the extension frame 150, a seating groove 150a on which the extension tube 220 is seated is provided concave, and at the lower portion of the extension frame 150, the front end of the extension tube 220 (in reference to the drawing, of the extension tube 220). The lower end) is provided with a locking groove (150b) to be caught and supported. Therefore, while the second cleaning module 200 is coupled to the extension frame 150, the extension tube 220 is inserted and supported in the mounting groove 150a and the locking groove 150b, so that the second cleaning module 200 is extended. It does not flow with respect to the frame 150 so that the state installed in the extension frame 150 can be stably maintained. In addition, by allowing the extension tube 220 to be installed in the extension frame 150 through the mounting groove 150a and the locking groove 150b, the strength of the extension frame 150 is also reinforced by the extension tube 220 Can be obtained.

When performing the floor cleaning in the upright method, the vacuum cleaner 1 collects dust through the first fan motor and the first dust collecting unit 130 included in the first cleaning module 100 and performs cleaning in a handy method. In this case, dust is collected through the second fan motor and the second dust collecting unit 230 included in the second cleaning module 200.

As shown in FIG. 3, the second dust collecting unit 230 is detachably installed on the second body 210 so that the inside can be cleaned after separation. The second dust collecting unit 230 described above in this embodiment separates and collects dust from the air in a cyclone method.

As shown in FIGS. 4 to 6, the second dust collecting unit 230 is formed in a hollow cylindrical shape whose one side is substantially closed, and is disposed in a dust collecting case 231 in which dust is collected, and in the dust collecting case 231. Cyclone members 232 and 233 that guide air to flow in a spiral direction to perform dust collection, and guide air sucked into the second dust collection unit 230 and air discharged from the second dust collection unit 230 It includes a flow path forming member 234.

The dust collection case 231 is formed in an annular shape on the inner and outer side of the dust collection case 231 to perform primary dust collection, and is formed in a cylindrical shape inside the first dust collection unit 231a to perform secondary dust collection. It includes a second dust collecting part 231b. The dust collecting case 231 is formed in an annular shape and includes a partition wall 231c that divides the first dust collecting portion 231a and the second dust collecting portion 231b in a radial direction.

The flow path forming member 234 is provided on the inside of the suction port 234a and the suction port 234a through which a part of the outer circumferential surface thereof is opened so that air can be sucked into it, and extends obliquely toward the dust collecting case 231 to collect air. It includes a suction guide portion 234b that guides toward the dust collecting case 231. The suction guide part 234b forms a first suction passage 234c for guiding the air sucked into the first dust collecting part 231a, and the first suction passage so that the air flows in a cyclone within the first dust collecting part 231a. It is formed in a direction tangential to the first dust collecting part 231a. In this embodiment, the second dust collecting unit is installed so that the suction port 234a faces the extension pipe 220 while the second dust collecting unit 230 is installed in the second body 210.

A discharge passage 234d is provided in the center of the passage forming member 234 to allow air that has passed through the second dust collecting unit 230 to be discharged, and passes through the discharge passage 234d on the inner circumferential surface of the discharge passage 234d. A plurality of guide ribs (234e) for guiding the air are spaced apart from each other in the circumferential direction.

In addition, a filter 235 is disposed in the flow path forming member 234 to cover the discharge flow path 234d to filter foreign substances contained in the air discharged through the discharge flow path 234d.

The cyclone members 232 and 233 have a first cyclone member 232 that collects foreign substances in the first dust collecting part 231a, and the first cyclone member 232 is disposed inside the second dust collecting part 231b. A second cyclone member 233 guiding the dust to be collected is included.

The first cyclone member 232 includes a first cyclone flow unit 232a formed in a hollow truncated shape to guide air sucked into the first dust collecting unit 231a to flow through a cyclone, and the first cyclone flow unit 232a ) Is provided with a plurality of communication holes 232b through which air from the first dust collecting unit 231a can be introduced into the inside. The front end of the first cyclone flow part 232a is supported by the above-described partition wall 231c through a sealing member (not shown).

The second cyclone member 233 is formed in the shape of a hollow truncated cone, and the second cyclone flow portion 233a is spaced apart from the inside of the first cyclone flow portion 232a, and air flows into the second cyclone flow portion 233a. It includes a plurality of second suction passages (233b) to guide the suction.

In this embodiment, the plurality of second suction passages 233b are sequentially arranged in the circumferential direction, and each tangential to the second cyclone flow part 233a so that air can flow through the cyclone in the second cyclone flow part 233a. Extends in the direction

In this embodiment, the first suction passage 234c and the plurality of second suction passages 233b are located on the same circumference as shown in FIG. 7, which is the first suction passage 234c and the plurality of second suction passages. The flow paths 233b are all formed in the circular space, and according to this configuration, there is no protruding part to form the flow path outside the second dust collecting unit 230 formed in a substantially cylindrical shape. The size of the dust collection unit 230 can be minimized.

In the present embodiment, the first suction passage 234c is provided in the passage forming member 234 and the second suction passage 233b is formed in the second cyclone member 233, but is not limited thereto, and one member It is also possible to sequentially form the first suction passage and the plurality of second suction passages in the circumferential direction.

In addition, in the present embodiment, the second dust collecting unit 230 includes one first suction passage 234c and a plurality of second suction passages 233b, but is not limited thereto, and the dust collecting unit is It is also possible to include a flow path and one second suction passage, a plurality of first suction passages and one second suction passage, or a plurality of first suction passages and a plurality of second suction passages.

In the present embodiment, the structure of the second dust collecting unit used in a handy manner has been described as an example, but the above structure can be applied and used as it is to the first dust collecting unit used for cleaning the floor.

In the above, one embodiment of the present invention has been illustrated and described, but the present invention is not limited to the above-described embodiments, and various modifications and variations can be made without departing from the spirit of the present invention. It is self-evident to those with ordinary knowledge in the field. Therefore, it should be said that modifications or variations belong to the claims of the present invention.

1: vacuum cleaner 100: first cleaning module
110: first body 120: head unit
130: first dust collection unit 140: wheel assembly
150: extension frame 200: second cleaning module
210: second body 211: handle
220: extension pipe 230: second dust collection unit
231: dust collection case 231a: first dust collection unit
231b: second dust collecting unit 232: first cyclone member
234c: first suction passage 233: second cyclone member
233b: second suction passage 234: passage forming member
235: filter

Claims (17)

A dust collection case in which dust is collected,
And a flow path forming member forming a flow path for guiding air sucked into the dust collection case and air discharged from the dust collection case,
The dust collection case has a hollow cylindrical shape with one side closed, and the interior thereof is divided into a first dust collection unit for primary dust collection and a second dust collection unit for secondary dust collection,
The flow path forming member,
A suction port provided to cover the other open side of the dust collecting case and formed by opening at least a part of the outer peripheral surface thereof,
A suction guide part provided on the inside of the suction port and extending obliquely toward the dust collecting case,
A dust collecting unit comprising a first suction passage connected to the inside of the suction port and formed in a direction tangential to the first dust collecting part to guide air guided by the suction guide part to the first dust collecting part. The method of claim 1,
A plurality of second suction passages for guiding the air sucked into the second dust collecting unit are provided inside the passage forming member,
The first suction passage and the second suction passage is a dust collecting unit located on the same circumference. The method of claim 2,
The first dust collecting part is formed in an annular shape in the dust collecting case,
The second dust collecting unit is a dust collecting unit formed inside the first dust collecting unit. The method of claim 3,
The second suction passage is a dust collecting unit extending in a tangential direction with respect to the second dust collecting part. The method of claim 3,
The suction guide unit is formed to extend in the circumferential direction inside the suction port. The method of claim 2,
The dust collecting case is provided to be partitioned by the first dust collecting part and the second dust collecting part by an annular partition wall,
The flow path forming member is a dust collecting unit provided to guide the air sucked into the first dust collecting unit and the air discharged from the second dust collecting unit. The method of claim 6,
A first cyclone member guiding the cyclone flow to occur in the first dust collecting unit,
Further comprising a second cyclone member disposed inside the first cyclone member to generate a cyclone flow in the second dust collecting portion,
The first suction passage is provided in the passage forming member,
The second suction passage is a dust collecting unit provided in the second cyclone member. The method of claim 7,
The first cyclone member has a first cyclone flow portion formed in a hollow truncated cone shape, and a plurality of communication provided in the first cyclone flow portion to allow air from the first dust collecting portion to flow into the first cyclone flow portion. Dust collection unit containing balls. The method of claim 7,
The second cyclone member includes a second cyclone flow portion formed in a hollow truncated shape and spaced apart from the inside of the first cyclone flow member,
The plurality of second suction passages are dust collecting units provided with air inside the second cyclone flow unit. The method of claim 1,
The flow path forming member is a dust collecting unit including a discharge passage provided to guide the air discharged in the center. The method of claim 10,
The flow path forming member is a dust collecting unit including a plurality of discharge guide ribs protruding from the inner circumferential surface of the discharge passage and spaced apart from each other in a circumferential direction. The method of claim 10,
A dust collecting unit further comprising a filter disposed to cover the discharge passage to filter foreign substances from the air discharged through the discharge passage. A first cleaning module that performs floor cleaning,
And a second cleaning module detachably coupled to the first cleaning module and separated from the first cleaning module to perform cleaning in a handy manner,
The second cleaning module includes a main body accommodating a fan motor generating a suction force, an extension tube provided at one side of the main body to allow a user to perform cleaning while being separated from the object, and dust from the air sucked through the extension tube. It includes a dust collection unit separating the,
The dust collecting unit,
A dust collection case in which dust is collected,
And a flow path forming member forming a flow path for guiding air sucked into the dust collection case and air discharged from the dust collection case,
The flow path forming member is formed by opening at least a portion of its outer circumferential surface to suck air, and the vacuum cleaner including a suction port disposed to face the extension tube while the dust collecting unit is mounted on the main body. The method of claim 13,
The dust collecting case is formed in a hollow cylindrical shape with one side closed,
The flow path forming member is a vacuum cleaner installed to cover the other open side of the dust collecting case. The method of claim 14,
The dust collecting case is divided into an annular-shaped first dust collecting part in which primary dust is collected and a second dust collecting part provided inside the first dust collecting part to collect secondary dust,
A vacuum cleaner provided with a first suction passage for guiding the air sucked into the first dust collecting part inside the suction port of the passage forming member. The method of claim 15,
The dust collecting unit further includes a first cyclone member for guiding the cyclone flow to occur in the first dust collecting unit, and a second cyclone member disposed inside the first cyclone member to generate a cyclone flow in the second dust collecting unit, and ,
The flow path forming member includes the first suction flow path,
The second cyclone member is a vacuum cleaner including a plurality of second suction passages guiding the air sucked into the second dust collecting unit. The method of claim 16,
The first suction passage and the plurality of second suction passages are provided inside the passage forming member,
The first suction passage is a vacuum cleaner disposed on the same circumference as the plurality of second suction passages.

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