KR102153352B1 - Vacuum cleaner - Google Patents

Abstract

The present invention relates to a vacuum cleaner including a first cleaning module and a second cleaning module detachably coupled to the first cleaning module, wherein the first cleaning module includes a first fan motor and a first dust collecting unit, 2 Since the cleaning module includes a second fan motor and a second dust collecting unit, it can be cleaned with a sufficiently large suction power when cleaning is performed by the upright method, and when cleaning is performed by a handy method by separating the second cleaning module, It can be easily cleaned by holding the second cleaning module.

Description

Vacuum cleaner {VACUUM CLEANER}

The present invention relates to a vacuum cleaner that can be used in an upright method and a handy 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.

Such a vacuum cleaner includes a main body including a fan motor generating a suction force, a head unit disposed on the front side of the main body to suck dust together with air from the bottom surface, and a handle that allows a user to hold and move the vacuum cleaner, It includes a configuration such as an extension frame that connects the handle and the body to allow the user to move the body while standing.

Recently, among these vacuum cleaners, a first cleaning module that cleans the floor by an upright method and a second cleaning module that is detachably installed in the first cleaning module and used in a handy manner, the vacuum cleaner has an upright method and a handy method. There are vacuum cleaners that can be used in combination.

An aspect of the present invention provides a vacuum cleaner capable of efficiently cleaning according to a cleaning method.

The vacuum cleaner according to an embodiment of the present invention includes a first cleaning module that cleans the floor and a second 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. And a cleaning module, wherein the first cleaning module includes a first fan motor that generates a suction force, and a first dust collecting unit that filters foreign substances from the air sucked by the first fan motor, and the second cleaning module It includes a second dust collecting unit that generates suction power when used in a handy manner.

In addition, the first fan motor generates a larger suction force than the second fan motor.

In addition, the second cleaning module includes a handle part commonly used for the upright cleaning and the handy cleaning.

In addition, the first cleaning module includes a first body accommodating a first fan motor, a head unit disposed on a front side of the first body to suck air from a bottom surface, and an extension frame connected to the first body. And the second cleaning module is detachably coupled to the extension frame.

In addition, one of the first cleaning module and the extension frame includes a protruding coupling portion, and the other includes a coupling groove to which the coupling portion is coupled.

In addition, one of the first cleaning module and the second cleaning module includes a plug module, and the other includes a socket module connected to the plug module.

In addition, the first cleaning module forms an upright connection part formed by the plug module, and the second cleaning module includes a handy connection part formed by the socket module and connected to the upright connection part.

In addition, the second cleaning module further includes a switch for selectively applying power to the socket module when the coupling portion is coupled to the coupling groove.

In addition, the first cleaning module includes the coupling part in the extension frame, and the second cleaning module includes the coupling groove.

In addition, the extension frame includes a cover portion provided at an upper end thereof and covering a part of the second body adjacent to the coupling groove.

In addition, a guide portion for guiding the entry of the second body inside the cover portion, and the second body includes a guide groove provided at a portion adjacent to the coupling groove to guide the guide portion.

In addition, the second cleaning module further includes a locking device to maintain a state coupled to the first cleaning module.

In addition, the locking device includes a locking member rotatably installed on the extension frame, an elastic member that elastically supports the locking member so that the locking member rotates in a first direction and protrudes from the extension frame, and the extension frame It is rotatably installed and includes a lever that allows a user to rotate the locking member in a second direction opposite to the first direction.

In addition, the lever includes a lever portion to receive a force from a user, and a first cam portion that interacts with the locking member, and the locking member includes a locking portion that is caught in the locking groove, and the first And a second cam portion interacting with the cam portion.

In addition, the second dust collecting unit includes a dust collecting case in which dust is collected, and at least one cyclone member disposed in the dust collecting case to guide air to flow in a spiral direction.

In addition, the dust collecting case includes a first dust collecting part formed in an annular shape and a partition plate that divides the interior into a second dust collecting part provided inside the first dust collecting part, and the at least one cyclone member collects foreign substances in the first dust collecting part. And a second cyclone member disposed inside the first cyclone member and configured to collect foreign substances in the second dust collecting unit.

In addition, the second dust collecting unit includes a flow path forming member installed on an open side of the dust collecting case to guide air sucked into the cyclone members and air discharged from the cyclone members, and the flow path forming member is air A first cyclone flow path for guiding between the first cyclone member and the dust collecting case but obliquely guiding inward in a circumferential direction, and a discharge flow path for guiding discharge of air that has passed through the second cyclone member, and the first cyclone The member includes a communication hole through which air can be introduced into a space between the first cyclone member and the second cyclone member, and the second cyclone member transfers air into the second cyclone member. It includes at least one second cyclone flow path which guides but obliquely guides inward in the circumferential direction.

In addition, the at least one second cyclone flow path includes a plurality of second cyclone flow paths arranged in a circumferential direction.

In addition, a vacuum cleaner according to an aspect of the present invention includes a first cleaning module for cleaning a floor, and a second cleaning module detachably coupled to the first cleaning module, and the first cleaning module includes a first body and a second cleaning module. , An extension frame connected to the main body and in which the second cleaning module is detachably installed, and the second cleaning module includes a second main body and an extension pipe installed in the second main body, and the second main body The second cleaning module may be used in an upright manner through the handle part while the second cleaning module is installed on the extension frame, including a handle provided at one side thereof to be gripped by a user.

As described above, the vacuum cleaner according to an embodiment of the present invention includes a first cleaning module equipped with a first dust collecting unit and a second cleaning module equipped with a second dust collecting unit. Since any one of the dust collecting units operates selectively, cleaning can be efficiently performed.

In addition, the vacuum cleaner according to an aspect of the present invention may perform cleaning in an upright manner by moving the first cleaning module through a handle provided on the second cleaning module while the second cleaning module is coupled to the first cleaning module.

1 is a perspective view of a vacuum cleaner according to an embodiment of the present invention.
2 is a front perspective view showing a state in which a first cleaning module and a second cleaning module are separated in a vacuum cleaner according to an embodiment of the present invention.
3 is a rear perspective view showing a state in which a first cleaning module and a second cleaning module are separated in a vacuum cleaner according to an embodiment of the present invention.
4 is a side view of a vacuum cleaner according to an embodiment of the present invention.
5 is a perspective view of a damper for opening and closing an inner flow path of a second cleaning module in the vacuum cleaner according to an embodiment of the present invention.
6 is an enlarged view of a coupling portion provided on an extension frame in the vacuum cleaner according to an embodiment of the present invention.
7 is an enlarged view of a coupling groove provided in a second body in the vacuum cleaner according to an embodiment of the present invention.
8 is a perspective view of a locking device for locking a second cleaning module in a vacuum cleaner according to an embodiment of the present invention.
9 and 10 are schematic diagrams showing an operation of a locking device for locking a second cleaning module in the vacuum cleaner according to an embodiment of the present invention.
11 is a perspective view of a locking device according to another embodiment of locking a second cleaning module in the vacuum cleaner according to the present invention.
12 and 13 are schematic diagrams showing an operation of a locking device according to another embodiment of locking a second cleaning module in the vacuum cleaner according to 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 to 4, 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 head unit 120 is provided with a suction port (not shown) on its lower surface to receive suction power generated by the first fan motor and suck dust from the floor to be cleaned together with air. On the lower surface of the head unit 120, a suction port (not shown) that receives a suction force and sucks foreign substances together with air, and a brush (not shown) that is rotatably installed at the suction port to facilitate cleaning of carpets, etc. Is placed.

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 force 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.

A damper 213 for preventing leakage of foreign substances through the extension pipe 220 is disposed inside the second body 210 as shown in FIG. 5. The damper 213 is disposed on a flow path connecting the extension pipe 220 and the second fan motor to selectively open and close the flow path according to the operation of the second fan motor. In addition, the damper 213 also serves to prevent leakage of foreign substances through the extension tube 220 while the second cleaning module 200 is mounted on the extension frame 150.

The damper 213 is formed of an elastically deformable material and includes a damper part 213a for opening and closing the flow path. Therefore, when the second fan motor is not used, the damper part 213a maintains a state in which the flow path connected to the extension pipe 220 is closed, and when the second fan motor operates to generate suction power, the second fan motor The damper part 213a is elastically deformed by the generated suction force to open the flow path. In addition, when the second fan motor is stopped and the suction force is not transmitted, the damper part 213a is elastically restored again to close the flow path.

On the other hand, at the rear of the extension frame 150, a seating groove 150a in which the extension tube 220 is seated is provided concave, and at the lower portion of the extension frame 150, the tip of the extension tube 220 (the extension tube 220 as shown in the drawing) The lower end of the) is provided with a locking groove (150b) is 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.

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 when cleaning is performed in an upright method, 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.

Therefore, the first fan motor and the first dust collecting unit 130 are designed to suck in and collect a large amount of air even when the weight becomes heavy, and the second fan motor and the second dust collecting unit 230 are The air is sucked and collected, but the weight is designed to be light. When used in the upright method, the vacuum cleaner 1 has a sufficiently large suction performance, and the second cleaning module 200 is transferred from the first cleaning module 100. When separated and used in a handy manner, it is possible for a user to easily hold and use the second cleaning module 200.

In addition, as described above, since the second cleaning module 200 is detachably installed on the extension frame 150, the user can use the first cleaning module 100 through the handle 211 provided in the second cleaning module 200. Can be moved. That is, the handle part 211 provided in the second cleaning module 200 is commonly used not only when cleaning is performed by a handy method, but also when cleaning is performed by an upright method.

In addition, as shown in FIGS. 6 and 7, a coupling part 150c is protruded from the extension frame 150 so that the second cleaning module 200 is detachably coupled to the first cleaning module 100, The second body 210 is provided with a concave coupling groove 210a to which the coupling portion 150c is coupled therein.

In addition, as described above, since the extension line 240 and the plug 250 are provided in the second cleaning module 200 and power is supplied to the second cleaning module 200, the first cleaning module 100 is a second cleaning module ( 200) to receive power.

To this end, a plug module 151 for electrical connection is disposed in the coupling portion 150c, and a plug module 151 is disposed in the coupling groove 210a.

In addition, a switch 212 for selectively applying power to the socket module 211 is disposed in the coupling groove 210a only when the coupling portion 150c is coupled to the coupling groove 210a. The switch 212 is pressed by the tip of the coupling portion 150c and power is applied to the socket module 211.

Therefore, as the coupling part 150c is inserted into the coupling groove 210a, the plug module 151 is connected to the socket module 211, and power is applied to the socket module 211 by the switch module 212, The 1 cleaning module 100 is able to receive power from the second cleaning module 200.

In addition, a portion of the second body 210 adjacent to the coupling groove 210a is formed at the upper end of the extension frame 150 to be spaced outside the coupling portion 150c, and the coupling portion 150c is coupled to the coupling groove 210a. A cover portion 150d is provided to cover and wrap it. At this time, a guide rail 150e is provided inside the cover part 150d to guide the second body 210 entering the interior, and the outer surface of the second body 210 adjacent to the coupling groove 210a is provided with a guide. The groove 210b is provided concave so that the second body 210 can accurately enter the inside of the cover portion 150d. Therefore, the plug module 151 and the socket module 211 can be accurately coupled and connected.

As described above, the plug module 151 is coupled to the socket module 211, the coupling portion 150c is coupled in the coupling groove 210a, and a portion of the outer surface of the second body 210 adjacent to the coupling groove 210a Is coupled to the inside of the cover part 150d. That is, since the second cleaning module 200 is coupled to the extension frame 150 of the first cleaning module 100 in triplicate, the second cleaning module 200 is the extension frame 150 of the first cleaning module 100 The state installed in can be maintained stably.

In this embodiment, the plug module 151 and the socket module 211 are provided in the coupling portion 150c and the coupling groove 210a to be coupled to each other, but are not limited thereto, and the plug module 151 and the socket module 211 It is also possible to have) provided opposite each other in other positions. That is, the plug module 151 is provided in the cover portion 150d of the extension frame 150, and the socket module 211 is disposed outside the coupling groove 210a of the second body 210 with the plug module 151 It is possible to make arrangements so as to be opposite. Alternatively, the plug module 151 is provided on the extension frame 150 and provided to correspond to the tip of the extension tube 220 mounted on the extension frame 150, and the socket module 211 is provided at the tip of the extension tube 220 It is also possible to make it possible.

In addition, in this embodiment, the plug module 151 is disposed in the coupling portion 150c and the socket module 211 is disposed in the coupling groove 210a, but this is shown as an example. It is also possible to have the socket module arranged in the coupling.

In addition, in order to stably maintain a state in which the second cleaning module 200 is coupled to the extension frame 150 of the first cleaning module 100, the extension frame 150 shown in FIGS. 8 and 9 As described above, structures for locking the second cleaning module 200 are installed.

In the structure for locking, the locking member 152 rotatably installed on the extension frame 150 and the locking member 152 are elastically supported so that the locking member 152 rotates in the first direction and the locking member 152 An elastic member 154 having one end protruding from the extension frame 150, and rotatably installed on the extension frame 150, rotates by receiving an external force, and rotates the locking member 152 in a second direction opposite to the first direction It includes a lever 153 to rotate.

The lever 153 presses the locking member 152 according to the rotation of the lever 153a and the lever 153a that allows the lever 153 to rotate by receiving a force from the user so that the locking member is moved in the second direction. It includes a pressing portion (153b) to rotate.

The locking member 152 includes a locking portion 152a whose tip protrudes from the extension frame 150 and is caught in the locking groove 210c provided in the second cleaning module 200, and the above-described according to the rotation of the lever 153. It includes an interlocking portion 152b that interacts with the pressing portion 153b and allows the locking member 152 to rotate in the second direction.

Therefore, as shown in FIG. 10, in a state in which the second cleaning module 200 is installed in the first cleaning module 100, the locking member 152 is elastic in the first direction by the elastic restoring force of the elastic member 154. It is supported and maintains a state in which the tip of the locking portion 152a is hung in the locking groove 210c. In this state, the user cannot separate the second cleaning module 200 from the first cleaning module 100.

In addition, as shown in FIG. 11, when the user applies a force to the lever unit 153a to rotate the lever 153, the pressing unit 153b of the lever 153 becomes the locking member 152 according to the rotation of the lever unit 153a. ) Interacts with the interlocking portion 152b and rotates the locking member 152 in the second direction. As the locking member 152 rotates, the tip of the locking portion 152a is separated from the locking groove 210c, so in this state, the user can separate the second cleaning module 200 from the first cleaning module 100. .

In the present embodiment, the locking member 152 is rotatably installed and rotated, locking and unlocking, but this is shown in one embodiment, so as to be movable to the extension frame 150 as shown in FIGS. 10 and 11. The installed locking member 152', the elastic member 154' for elastically supporting the locking member 152' to move in the first direction, and the extension frame 150 are rotatably installed and rotated by receiving an external force to lock Including a lever 153' that allows the member 152' to move in a second direction opposite to the first direction, the locking member 152' is locked while moving as the user rotates the lever 153'. And it is also possible to make the unlocking.

In this embodiment, the switch consists of a three-phase switch, so that power is selectively supplied to only one of the first cleaning module 100 and the second cleaning module 200 according to whether or not the second cleaning module 200 is detached. However, the present invention is not limited thereto, and the switch is made of a two-phase switch so that power is selectively applied to the second dust collection unit 230 according to whether the second cleaning module 200 is separated, and the first cleaning module 100 It is also possible to apply power to the first cleaning module 100 through a separate button (not shown).

In this embodiment, the extension line 240 and the plug 250 are connected to the second cleaning module 200 so that the first cleaning module 100 receives power through the second cleaning module 200, but is limited thereto. The extension line and the plug may be connected to the first cleaning module 100, and the second cleaning module 200 may have a built-in rechargeable battery (not shown).

In this case, the rechargeable battery built in the second cleaning module 200 is charged while the second cleaning module 200 is coupled to the first cleaning module 100, and the second cleaning module 200 cleans the first. After being separated from the module 100, power is supplied to the second cleaning module 200 so that the second cleaning module 200 can operate.

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
240: extension wire 250: plug

Claims (30)

A first cleaning module that performs cleaning in an upright method,
And a second 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,
The first cleaning module includes a first fan motor generating a suction force, a first body accommodating the first fan motor, a first dust collecting unit filtering foreign substances from the air sucked by the first fan motor, and the It is disposed at the rear of the first body, and includes an extension frame including a seating groove provided on the rear surface of the first body, and a locking groove provided under the seating groove,
The second cleaning module includes a second fan motor that generates a suction force when used in a handy manner, a second body accommodating the second fan motor, and a device that filters foreign substances from the air sucked by the second fan motor. 2 a dust collecting unit and an extension pipe connected to the second body and inserted into the seating groove, and a tip end thereof inserted into the locking groove,
A vacuum comprising a lever rotatably installed on the extension frame, and a locking device provided to maintain a state in which the second cleaning module is coupled to the first cleaning module or to release the coupled state vacuum cleaner. The method of claim 1,
The first fan motor is a vacuum cleaner that generates a larger suction force than the second fan motor. The method of claim 1,
The second cleaning module is a vacuum cleaner including a handle commonly used for the upright cleaning and the handy cleaning. The method of claim 1,
The first cleaning module includes a head unit disposed on the front side of the first body to suck air from the bottom surface,
The second cleaning module is a vacuum cleaner that is detachably coupled to the extension frame. The method of claim 4,
One of the first cleaning module and the extension frame includes a coupling portion protruding, and the other one of the vacuum cleaner includes a coupling groove to which the coupling portion is coupled. The method of claim 5,
One of the first cleaning module and the second cleaning module includes a plug module, and the other is a vacuum cleaner including a socket module connected to the plug module. The method of claim 6,
The first cleaning module forms an upright connection part formed by the plug module,
The second cleaning module is a vacuum cleaner including a handy connection part formed by the socket module and connected to the upright connection part. The method of claim 6,
The second cleaning module further comprises a switch for selectively applying power to the socket module when the coupling portion is coupled to the coupling groove. The method of claim 5,
The first cleaning module includes the coupling part to the extension frame,
The second cleaning module is a vacuum cleaner including the coupling groove. The method of claim 9,
The extension frame is provided on the upper end of the vacuum cleaner including a cover for covering a part of the second body adjacent to the coupling groove. The method of claim 10,
Includes a guide part guiding the entrance of the second body inside the cover part,
The second body is a vacuum cleaner including a guide groove provided at a portion adjacent to the coupling groove to guide the guide portion. delete The method of claim 1,
The locking device includes a locking member rotatably installed on the extension frame, and an elastic member that elastically supports the locking member so that the locking member rotates in a first direction and protrudes from the extension frame,
The lever is a vacuum cleaner that allows a user to rotate the locking member in a second direction opposite to the first direction. The method of claim 13,
The lever includes a lever portion to receive a force from the user, and a first cam portion interacting with the locking member,
The locking member is a vacuum cleaner including a locking part caught in a locking groove provided in the second cleaning module, and a second cam part interacting with the first cam part according to rotation of the lever. The method of claim 1,
The second dust collecting unit includes a dust collecting case in which dust is collected, and at least one cyclone member disposed in the dust collecting case to guide air to flow in a spiral direction. The method of claim 15,
The dust collecting case includes a first dust collecting part formed in an annular shape and a partition plate dividing the inside into a second dust collecting part provided inside the first dust collecting part,
The at least one cyclone member includes a first cyclone member for collecting foreign substances in the first dust collecting unit, and a second cyclone member disposed inside the first cyclone member and collecting foreign substances in the second dust collecting unit vacuum cleaner. The method of claim 16,
The second dust collecting unit includes a flow path forming member installed on an open side of the dust collecting case to guide air sucked into the cyclone members and air discharged from the cyclone members,
The flow path forming member includes a first cyclone flow path that guides air between the first cyclone member and the dust collecting case but obliquely guides the air in a circumferential direction, and a discharge flow path that guides the discharge of air that has passed through the second cyclone member. And
The first cyclone member includes a communication hole through which air can be introduced into the space between the first cyclone member and the second cyclone member,
The second cyclone member is a vacuum cleaner including at least one second cyclone flow path for guiding air to the inside of the second cyclone member but obliquely guiding the air in the circumferential direction. The method of claim 17,
The at least one second cyclone flow path is a vacuum cleaner including a plurality of second cyclone flow paths arranged in a circumferential direction. A first cleaning module for cleaning the floor,
And a second cleaning module detachably coupled to the first cleaning module,
The first cleaning module includes a first main body, a first main body, a second cleaning module connected to the main body and detachably installed, a seating groove provided on a rear surface thereof, and a locking groove provided under the seating groove. Includes an extension frame,
The second cleaning module includes a second body, and an extension pipe installed in the second body, inserted into the seating groove, and a tip thereof inserted into the locking groove,
The second body may include a handle portion provided at one side thereof to be gripped by a user, and can be used in an upright manner through the handle portion while the second cleaning module is installed on the extension frame,
A vacuum comprising a lever rotatably installed on the extension frame, and a locking device provided to maintain a state in which the second cleaning module is coupled to the first cleaning module or to release the coupled state vacuum cleaner. The method of claim 19,
The second cleaning module is a vacuum cleaner including an extension line and a plug for connection with an external power source. The method of claim 19,
The first cleaning module includes an extension line and a plug for connection with an external power source,
The second cleaning module is a vacuum cleaner including a rechargeable battery. The method of claim 19,
The first cleaning module includes a coupling portion protruding from the extension frame,
The second cleaning module is a vacuum cleaner including a coupling groove concavely provided in the second body. The method of claim 22,
The first cleaning module includes a plug module provided in the coupling portion,
The second cleaning module is a vacuum cleaner including a socket module connected to the plug module. The method of claim 23,
The first cleaning module forms an upright connection part formed by the plug module,
The second cleaning module is a vacuum cleaner including a handy connection part formed by the socket module and connected to the upright connection part. The method of claim 23,
The second cleaning module further comprises a switch for selectively applying power to the socket module when the coupling portion is coupled to the coupling groove. The method of claim 22,
The extension frame is provided on the upper end of the vacuum cleaner including a cover for covering a part of the second body adjacent to the coupling groove. The method of claim 26,
Includes a guide part guiding the entrance of the second body inside the cover part,
The second body is a vacuum cleaner including a guide groove provided at a portion adjacent to the coupling groove to guide the guide portion. delete The method of claim 19,
The locking device includes a locking member rotatably installed on the extension frame, and an elastic member that elastically supports the locking member so that the locking member rotates in a first direction and protrudes from the extension frame,
The lever is a vacuum cleaner that allows a user to move the locking member in a second direction opposite to the first direction. The method of claim 29,
The lever includes a lever portion to receive a force from the user, and a pressing portion interacting with the locking member,
The locking member is a vacuum cleaner including a locking portion protruding from the extension frame and caught in a locking groove provided in the second cleaning module, and a linking portion pressed by the pressing portion according to rotation of the lever.

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