KR20090013644A - Vacuum cleaner for using in vacuum cleaner for using in upright type and canister type - Google Patents

Abstract

An upright and canister type vacuum cleaner is provided to allow a user to detach a suction nozzle unit from a body by installing a detachable extension tube in the body in longitudinal direction. An upright and canister type vacuum cleaner comprises a suction nozzle unit(100) including an inlet and a flow path for inhaling a dust on a surface supposed to be cleaned, a cleaner body(200) including a dust collection unit and a motor connected to the dust collection unit and a detachable extension tube(320) locating in the cleaner body according in longitudinal direction. The detachable extension tube serves as an air flow path to the cleaner body from the suction nozzle unit and supports the cleaner body in case of using the cleaner as upright type and separates the suction nozzle unit from the cleaner body in case of using the cleaner as canister type.

Description

Vacuum cleaner for using in Vacuum cleaner for using in upright type and canister type}

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 sucks and collects dust on a surface to be cleaned by suction power generated by driving a motor of the cleaner body, and filters the air sucked together with the dust and discharges it to the outside.

In general, vacuum cleaners are largely divided into an upright type and a canister type. The upright type vacuum cleaner is directly connected to the suction inlet body and the cleaner body without going through a separate hose or extension tube, and can improve the cleaning efficiency by using the weight of the vacuum cleaner when cleaning the carpet. Also, unlike the upright type, the canister type vacuum cleaner communicates with the suction inlet body and the vacuum cleaner body through the hose and the extension tube, and the suction inlet body is free to operate compared to the suction inlet of the upright type vacuum cleaner. In case of using the upright type vacuum cleaner, it is mainly used to move the vacuum cleaner which is not easy to clean or to clean the place where the operation of the suction port is not easy.

On the other hand, an upright type vacuum cleaner having a lift-off structure in which a cleaner body is separated from an inlet body so as to obtain the effects of a canister type vacuum cleaner and an upright type vacuum cleaner is disclosed in US Pat. No. 5,309,600 and US Pat. No. 5,524,321. It is.

By the way, in the case of the conventional vacuum cleaners, when used as an upright type, a separate support frame vertically formed at a predetermined height to the suction inlet should be provided, and an extension tube or a hose used for the canister type needs to be stored separately. there was.

In addition, the conventional vacuum cleaner has a problem in that the structure is complicated because the flow path of the air flowing into the cleaner body from the inlet port when the switching between the upright and the canister type is different from each other, so a separate flow path conversion structure must be provided for each type. In addition, when used as a canister type, there was a need to remove the extension pipe from the cleaner body and connect it to the suction port of the cleaner body again.

In addition, the conventional vacuum cleaner is set to a high height of the main body of the cleaner in consideration of the height of the adult for convenience of use, because of this the height of the overall vacuum cleaner has a problem that is not easy to store.

Accordingly, an object of the present invention is to provide an upright and canister-type vacuum cleaner for maximizing user convenience and easy storage.

The present invention to achieve the above object, The present invention to achieve the above object, the suction port having a suction port and a suction passage for sucking the dust of the surface to be cleaned; A main body having a dust collecting unit and a motor connected to the dust collecting unit; And an extension tube communicating with the main body, the extension tube being detachable in the longitudinal direction of the main body on one side of the main body. Supporting the body together with the air movement path of the furnace; When used in the canister type, the extension tube provides a vacuum cleaner, characterized in that separated from the suction port.

The suction port may further include a pivot connector connected to and separated from the extension tube, in which case the pivot connector includes a hinge shaft pivotally connected at both ends to the rear of the suction port; And a coupling tube coupled to the hinge shaft and in communication with the suction flow passage, the coupling tube being detachably coupled to the extension tube.

The extension pipe may be snapped to at least one snap coupler protruding from one surface of the main body.

In addition, when the extension pipe is used as an upright type, the main body may be rotated with respect to the suction port by rotating about the suction port in a state of being connected with the pivoting connector.

Furthermore, the vacuum cleaner can be easily switched from the upright type to the canister type through the operation of separating the extension tube and the pivot connector and connecting the accessory nozzle to one end of the extension tube.

In addition, the present invention, the suction port having a suction port and a suction flow path for sucking the dust on the surface to be cleaned; A cleaner body having a dust collecting unit and a motor connected to the dust collecting unit; An operation handle assembly having one side communicating with the cleaner body through a hose, and the other side communicating with an extension tube installed / removable to the cleaner body; And a carrying handle assembly configured to slide along the cleaner body to extend in length together with the operation handle assembly alone or when used as an upright type, and the extension tube communicates with the inlet port and is provided from the inlet port. Supporting the cleaner body together with an air movement path to the cleaner body; When used in the canister type, the extension tube can be achieved by providing a vacuum cleaner, characterized in that separated from the suction inlet.

The carrying handle assembly has a gripping portion on one side, the body portion to which the operation handle assembly is docked at the rear; A sliding bar installed in the cleaner body to be slidable along the longitudinal direction of the cleaner body; And an operating unit connected to the sliding bar, the operating unit being installed to the body part while a part thereof is exposed to the outside of the body part, wherein the operating unit simultaneously or selectively locks the sliding bar and the operation handle assembly. And unlock.

The operation unit rotates a portion exposed to the outside of the body to unlock the manipulation handle assembly, and presses a portion exposed to the outside of the body to unlock the sliding bar.

The operation unit includes a bar fixing case fixed in the body portion to support the sliding bar; A rotatable part rotatably installed on an upper part of the bar fixing case and having a latch protruding to the rear of the body part on one side and inserted into a locking groove of the manipulation handle assembly; A button portion having an upper portion protruding outward from the body portion and having a lower portion disposed inside the rotating portion so as to rotate together with the rotating portion and vertically move independently along the rotating portion; And an elastic member for elastically supporting the button unit to be twistable and compressible with respect to the bar fixing case.

Preferably, the elastic member is formed of a coil spring having one end fixed to the bar fixing case and the other end fixed inside the button part.

In the present invention as described above, when used as an upright type, in order to support the cleaner body, it is not provided with a separate frame to support the cleaner body by using an extension pipe, and also as a suction oil of air transferred from the suction port to the cleaner body. Since the upright and the canister type are all the same, a separate flow path conversion structure can be omitted, which has the advantage of having a simple structure as a whole.

In addition, the present invention can be easily and quickly switched according to the operation through coupling and separating the extension pipe to the suction inlet when switching to the upright and canister type.

Furthermore, since the carrying handle assembly can be extended and reduced, the carrying handle assembly can be extended and reduced only when the vacuum cleaner is used, and the height of the cleaner body can be reduced. Accordingly, by keeping the overall height of the vacuum cleaner low, there is an advantage that it is easy to store even in a narrow space where the height is low.

Referring to the configuration of the vacuum cleaner according to the first embodiment of the present invention with reference to the accompanying drawings in detail as follows.

1 and 2, the vacuum cleaner of the first embodiment, the cleaning unit 10 and the suction port

It includes a sieve 20, in this case the cleaning unit 10 can be used alone and separated from the suction port (20).

The cleaning unit 10 includes a cleaner body 11, a hose 13, an operation handle assembly 15, and an extension tube 17.

The cleaner main body 11 is connected to the suction motor 12a and the suction motor 12a for generating the suction force inside, and separates the dust flowing from the hose 13 through the suction force of the suction motor 12a from the air. And a dust collecting unit 12b for collecting. In this case, the dust collecting unit 12b preferably has a cyclone structure that separates dust and air using centrifugal force. However, the present invention is not limited thereto, and it is also possible to collect dust by installing a dust bag instead of a cyclone structure.

In addition, the cleaner main body 11 has a pair of snap coupling portions 14a and 14b protruding from each other, the extension tube 17 being detachably snapped at predetermined intervals up and down at one side. The pair of snap coupling portions 14a and 14b are illustrated as two in this embodiment, but the present invention is not limited thereto, and the pair of snap coupling portions 14a and 14b may be formed as long as the cleaner body 11 and the extension tube 17 can maintain only a coupling force to be firmly coupled to each other, or 3 It can also consist of the above.

Furthermore, the cleaner body 11 has a carrying handle 11a on the upper side, and the carrying handle 11a separates the cleaner body 11 from the suction inlet 20 so that the user can use the cleaner body 11 when using the canister type. 11) to facilitate the transport of. In this case, the cleaner main body 11 has a plurality of auxiliary wheels 19 on the bottom thereof, and the plurality of auxiliary wheels 19 smoothly transports the floor.

The hose 13 is made flexible and communicates with the dust collecting unit 12b with one end coupled to one side of the cleaner body 11.

The manipulation handle assembly 15 is provided with a grip portion 15a that can be gripped by the user, and is disposed between the hose 13 and the extension tube 17 to connect them to each other.

Extension tube 17 serves as a passage for guiding the air containing dust flowing from the inlet body 20 or the accessory nozzle 30 (see FIG. 3) to the cleaning unit 10. The extension tube 17 may be formed in a telescope structure to vary the length when using the canister type. In addition, it is preferable that the extension tube 17 is formed to be larger than the length of the cleaner body 11 even if the length thereof is small so as to facilitate the operation of pushing and pulling the suction inlet 20 when used as an upright type.

The suction port 20 has a suction port 20a for suctioning dust and air from the surface to be cleaned on the bottom surface, and a pair of main wheels 21a, on both sides of the suction port 20 to facilitate the transfer on the surface to be cleaned. 21b) is rotatably coupled, and the pivoting connector 23 is coupled to the rear center.

The pivoting connector 23 has a hinge shaft 23a hinged to both sides of the suction port 20 at right angles to the traveling direction of the suction port 20, and a coupling pipe 23b coupled to the hinge shaft 23a. It includes. The coupling pipe 23b is detachably coupled to the extension pipe 17, and its turning angle θ is set within about 90 degrees.

Further, the pivot angle θ of the coupling pipe 23b is about 110 ° to the front of the suction port 20 in a state where the coupling pipe 23b is parallel to the bottom surface on which the suction port 20 is seated. When the vacuum cleaner according to the present embodiment is used as an upright type, the cleaner body 11 is inclined forwardly with respect to the vertical line of the ground, so that the center of gravity of the cleaner body 11 is set to the inlet body 20. It is preferable that the cleaner body 11 can be stably seated on the upper surface of the suction inlet 20 by moving forward from the rear of the back. This prevents the cleaner main body 11 from being damaged by turning the cleaner main body 11 back toward the suction inlet 20 by the vibration or shock applied to the vacuum cleaner when the cleaning is not performed. You can prevent it. In this case, when the cleaner main body 11 is erected at a right angle to the upper surface of the suction inlet 20, a locking part which is snapped to each other at the lower end of the cleaner main body 11 and the upper end of the suction inlet 20 is formed. 11) The configuration of fixing is also applicable, of course.

Moreover, the coupling pipe 23b is in communication with the inflow passage 20b formed inside the suction port 20. Accordingly, the coupling pipe 23b serves as a path for guiding the dust and air introduced through the inflow passage 20b to the extension pipe 17. Further, when the vacuum cleaner of the present embodiment is used as an upright type, the cleaner body 11 and the extension tube 17 are inclined at a predetermined angle toward the user, so that the user can operate the vacuum cleaner more conveniently.

Each case using the action of the vacuum cleaner according to the first embodiment of the present invention configured as described above as the upright and canister type will be described.

First, in the case of using the upright type to clean the surface to be cleaned such as carpet through the vacuum cleaner of the present embodiment, as shown in Figure 2, the extension pipe (17) in the snap-coupled state (14a, 14b) in the extension pipe ( One end of the coupling 17 is coupled to the coupling pipe 23b of the pivoting connector 23.

Accordingly, the cleaning unit 10 is disposed above the suction port 20 in a state in communication with the suction port 20 through the extension tube 17 to maintain the shape of the upright type vacuum cleaner.

In this state, when the user applies power to the motor 12a to generate suction power, the dust on the surface to be cleaned is introduced into the suction passage 20b through the suction port 20a together with the air present around the suction port 20. .

Subsequently, dust passes through the coupling pipe 23b, the extension pipe 17, the operation handle 15, and the hose 13 together with the air, and enters the dust collecting unit 12b. The dust is separated from the air in the dust collecting unit 12b and collected into a dust collecting zone (not shown) in the dust collecting unit 12b. The dust separated from the air passes through the motor 12a and then closes the area around the motor 12a. It is discharged to the outside through a discharge hole (not shown) formed in a part of the cleaner body (11).

On the other hand, when cleaning a place that is not easy to clean using a bulky and heavy upright type vacuum cleaner, such as stairs or narrow areas, the vacuum cleaner of the present embodiment can be used as a canister type vacuum cleaner.

That is, the cleaning unit 10 is completely separated from the suction port body 20 by separating the extension pipe 17 from the coupling pipe 23b of the turning connector 23 as shown in FIG. 2. In this state, as shown in FIG. 3, after removing the extension tube 17 from the snap coupling portions 14a and 14b of the cleaner body 11, the accessory is smaller and lighter than the suction port 20 at one end of the extension tube 17. Combine the nozzle 30.

When the vacuum cleaner of the present embodiment modified to the canister type generates power by applying power to the suction motor 12a, the dust on the surface to be cleaned is discharged to the accessory nozzle 30 together with air existing around the suction port 20. Is inhaled.

After passing through the accessory nozzle 30, the dust passes through the coupling pipe 23b, the extension pipe 17, the operation handle assembly 15 and the hose 13 in sequence to the dust collecting unit 12b with air, The dust is separated from the air in the dust collecting unit 12b and collected into a dust collecting zone (not shown) in the dust collecting unit 12b. The dust separated from the air passes through the suction motor 12a and then closes around the suction motor 12a. It is discharged to the outside through a discharge hole (not shown) formed in a part of the cleaner body (11).

As such, the vacuum cleaner according to the present embodiment may omit a separate frame for supporting the cleaner body 11 disposed above the suction port 20 by using the extension tube 17 as a frame substitute when using the upright type. As a result, the suction port 20 can be manufactured simply.

Furthermore, when the vacuum cleaner of the present embodiment is used as an upright type, the cleaner body 11 can be rotated at a predetermined turning angle θ with respect to the suction inlet 20 so that the suction inlet 20 is more convenient to the user. By operating, the usability of the vacuum cleaner can be improved.

In addition, the vacuum cleaner of the present embodiment is easily or quickly switched to the upright and canister type through a two-step simple operation by separating or combining the extension pipe 17 from the coupling pipe 23b and the cleaner body 11, respectively. This is possible.

Hereinafter, the vacuum cleaner according to the second embodiment of the present invention will be described with reference to FIGS. 4 to 12.

4 and 5, the vacuum cleaner according to the second embodiment includes a suction inlet 100, a cleaner body 200, an operation handle assembly 300, an extension tube 320, and a transport handle assembly 400.

The suction port 100 has a suction port (not shown) for sucking dust and air on the surface to be cleaned on the bottom surface, and a pair of main wheels 111 and 112 to facilitate the transfer of the suction port 100 on the surface to be cleaned on both rear sides. ) Is rotatably coupled.

In addition, the suction inlet 100 has a support 120 that is pivotably installed at the rear center of the suction inlet 100 so that the cleaner body 200 can be pivoted with respect to the suction inlet 100. In this case, the support unit 120 includes a predetermined locking device (not shown) for locking and unlocking the lower end of the cleaner body 200. In addition, the support portion 120 communicates with the suction inlet 100 and includes an extension tube insertion portion 121 having an insertion hole 121a into which one end of the extension tube 320 is inserted.

Furthermore, the suction inlet 100 has a first lever 130 for unlocking the support 120 so that the support 120 is switched to the pivotable state while being fixed to the suction inlet 100, and the support ( A second lever 140 is provided to operate the locking device installed at the 120 to unlock the lower portion of the cleaner body 200 locked by the support 120.

The cleaner main body 200 has a motor housing 220 for accommodating a dust collecting unit 210 and a suction motor (not shown) in the front, and the first and the second to support the extension tube 320 in a detachable manner. 2, the first and second hose supports 245 and 247 for removably supporting the extension tube supports 241 and 243 and the hose 310 are respectively formed. In this case, the first extension pipe support 241, the first and the second hose support (245, 247) has a predetermined arc shape with one side open to facilitate the long and easy removal of the extension pipe 320 and hose 310, respectively. It is formed as a self-elastic extension tube 320 and the hose 310 is fixed elastically. In addition, the second extension pipe support 243 is formed in an annular shape, and when the cleaner body 200 is coupled to the suction inlet 100, a user attaches the extension pipe 320 to the insertion hole 121a of the extension pipe insertion part 121. The setting position is disposed at a predetermined position of the cleaner main body 200 corresponding to the insertion hole 121a so as to be easily inserted.

Furthermore, the cleaner body 200 includes a pair of auxiliary wheels 201 and 203 rotatably coupled to both sides of the lower end, and the pair of auxiliary wheels 201 and 203 separate the cleaner body 200 from the suction port 100. When used in the canister type facilitates the transport of the cleaner body (200).

The dust collecting unit 210 is a cyclone part 211 which separates the dust flowing from the hose 310 from the air by the centrifugal force, and the cyclone part 211 by the lifting lever 230 in a pressure state is disposed in the cyclone And a dust container 213 for collecting the dust separated from the unit 211.

 The motor accommodating chamber 220 is provided with a suction motor (not shown) that provides suction power therein, and communicates with the cyclone unit 211 to suck the filtered air from the cyclone unit 211.

The operation handle assembly 300 is connected to the hose 310 and the extension pipe 320, respectively, on one side and the other side so as to communicate with each other. As shown in FIG. 6, the manipulation handle assembly 300 includes a protrusion 301 docked to the recess 414c (see FIG. 7) of the transport handle assembly 400 at the front thereof, and the protrusion 310 has a latch ( 434f (see Fig. 7) is formed with a locking groove 303 is inserted. In addition, the operation handle assembly 300 is formed with a grip portion 305 that the user can grip in the rear, a pair of lower ends are inserted into a pair of guide grooves (414e, 414f, see Fig. 7) to be described later Insertion protrusions 307 and 309 are formed.

The operation handle assembly 300 allows the user to easily operate the movement of the vacuum cleaner when using the vacuum cleaner as an upright type, and at the same time, an accessory nozzle mounted on the other side of the extension tube 320 when using the canister type. (See FIG. 12) and the extension tube 320 to be operated together. In addition, the operation handle assembly 300 may provide a predetermined operation button unit (not shown) to turn on / off the power of the suction motor (not shown). Here, the extension tube 320 is formed in a telescope (telescope) like the extension tube 17 of the first embodiment is possible to extend the length.

The carrying handle assembly 400, referring to FIGS. 7 to 9, includes a body 410, a sliding bar 420, and an operation unit 430.

Body portion 410 is composed of a front and rear cases (411,413) and has a space portion in which the operation unit 430 is installed. The front case 411 has a gripping portion 412 extending downwardly from the top to a predetermined curvature so that the user can grip, the rear case 413 protrudes in parallel to each other at a predetermined interval toward the rear to both sides. A pair of guide portions 414a and 414b, a recess 414c formed between the pair of guide portions 414a and 414b, and a guide hole 414d formed laterally in the recess 414c. .

The pair of guide portions 414a and 414b may include a pair of insertion protrusions 307 and 309 of the manipulation handle assembly 300 such that the protrusion 301 of the manipulation handle assembly 300 can be accurately docked to the recess 414c. A pair of guide grooves 414e and 414f to be inserted are formed. In addition, the guide hole 414d is inserted into the locking groove 303 of the operation handle assembly 300 by the latch 434f when the protrusion 301 of the operation handle assembly 300 is docked and detached from the recess 414c. The left and right movements of the latch 434f are guided so as to be separated.

The sliding bar 420 is slidably coupled to the bar insertion part 207 formed along the longitudinal direction of the cleaner body 200, and has a sliding bar at the bottom when the sliding bar 420 is withdrawn from the bar insertion part 207. A locking jaw 421 is formed to prevent the 420 from being completely completed with the bar insertion portion 207.

8 and 9, the operation unit 430 includes a bar fixing case 431, a rotation part 433, a button part 435, and a coil spring 439 (see FIG. 10).

The bar fixing case 431 is fixedly installed inside the body 410 and is fixedly connected to the upper end of the sliding bar 420. In addition, the bar fixing case 431 has a cylindrical portion 432a is formed at the upper end, the cylindrical portion 432a guides the rotation of the rotary portion 433 and at the same time guides the vertical sliding movement of the button portion 435. . Furthermore, in the cylindrical portion 432a, a pair of first sliding protrusions 432b and 432c are symmetrically formed on one surface thereof.

The rotating part 433 is provided with a pair of first long holes 434b and 434c in which the pair of first sliding protrusions 432b and 432c are slidably inserted along the circumferential direction of the rotating part 433. In addition, the rotating part 433 may have a pair of second long holes 434d and 434e formed through the axial direction of the rotating part 433 on the circumferential surface of the rotating part 433. Further, the rotary part 433 has a latch 434f protrudingly formed on one circumferential surface thereof, and one surface of the latch 434f includes inclined surfaces 434g and 434h through which the protrusion 301 of the operation handle assembly 300 slides in contact. Is formed.

The button part 435 is formed in a substantially cylindrical shape, and the lower part is sequentially inserted into the rotating part 433 and the cylindrical part 432a, and the upper part passes through the upper part of the body part 410 and is exposed to the outside of the body part 410. . The button portion 435 is formed with a rotation lever 436a extending to rotate the button portion 435 at the top. The button portion 435 has a flange-shaped stopper 436b for limiting the push depth of the button portion 435 along the outer circumference, and the one side of the button portion 435 below the stopper 436b has a rotary part 433. A pair of second sliding protrusions 436d and 436e slidably inserted into the pair of second long holes 434d and 434e, respectively, are symmetrically formed.

In addition, the button portion 435 is formed with a pressure rib 435c tapered downward in the button portion 435. The pressure rib 435c penetrates the upper end of the bar fixing case 431 to press the pressure rod 437 disposed inside the sliding bar 420 along the longitudinal direction of the sliding bar 420, thereby sliding the sliding bar 420. By operating a conventional locking device (not shown) installed in the periphery) to lock and unlock the sliding bar 420 fully inserted into the bar insertion portion 207. Here, the conventional locking device may employ, for example, a locking device for locking the extension handle installed in the travel bag, and various types of locking devices may be applied.

The elastic member 439 serves to elastically support the button unit 435 to be twisted and compressed with respect to the bar fixing case 431. The elastic member 439 is preferably made of a coil spring whose one end 439a is fixed to a part of the bar fixing case 431 and the other end 439b is fixed to a part of the pressing rib 435c of the button part 435. .

Hereinafter, the operation of the vacuum cleaner according to the second embodiment of the present invention configured as described above will be described separately by using the upright and the canister type.

As shown in FIG. 11, when the vacuum cleaner of the second embodiment is used as an upright type, the lower end of the cleaner body 200 is locked to the support 120 (see FIG. 1). Subsequently, the operation handle assembly 300 is docked to the rear case 413 of the transport handle assembly 400 while one end of the extension tube 320 is passed through the second extension tube support 243 (see FIG. 2).

In the docking process, a pair of insertion protrusions 307 and 309 of the manipulation handle assembly 300 are inserted into a pair of guide grooves 414e and 414f of the rear case 413, and the manipulation handle assembly is provided. The groove 414c of the rear case 413 while the protrusion 301 of the 300 presses the sliding surfaces 434g and 434h of the latch 434f protruding through the guide hole 414d of the rear case 413. Precisely rests on

In this case, the latch 434f is pivoted at a predetermined angle along the guide hole 414d in a state of being elastically supported in the lateral direction by the elastic member 439, and then the protrusion 301 is formed on the recess 414c. At the same time, it is inserted into the locking groove 303 of the protruding portion 301 while being turned in the opposite direction along the guide hole 414d by the elasticity of the elastic member 439.

As the operation handle assembly 300 is docked to the transport handle assembly 400 as described above, one end of the extension tube 320 is naturally inserted into the insertion hole 121a of the extension tube insertion unit 121.

Then, the user raises it to a predetermined height corresponding to the height of the user, as shown in FIG. 11, to easily move the vacuum cleaner on the floor. The height setting process of the manipulation handle assembly 300 is as follows.

First, the process of expanding the extension pipe 320 by pulling the operation handle assembly 300, the locking by sliding the sliding bar 420 by pressing the button portion 435 vertically along the axial direction of the button portion 435. The device (not shown) is operated to unlock the sliding bar 420. Subsequently, when the operation handle assembly 300 is pulled while the button portion 435 elastically supported in the axial direction by the elastic member 439 is pulled out, the transport handle assembly 400 coupled with the operation handle assembly 300. ) Is drawn out of the cleaner body 9200 by the sliding bar 420. Thereafter, when the pressure is released from the button portion 435, the button portion 435 returns to its original position by the elastic force of the elastic member 439.

Therefore, as shown in FIG. 11, the user can take out the vacuum cleaner operation handle assembly 300 to a predetermined height appropriately for his / her key and use it as an upright type.

On the other hand, a case in which the vacuum cleaner set to the upright type as described above is used as the canister type as shown in FIG. 12 will be described.

First, when the rotation lever 436a of the button portion 435 is rotated by a predetermined angle in one direction, the latch 434f of the rotation portion 435 is released from the locking groove 303 while rotating in one direction along the guide hole 414d. .

In this manner, while maintaining the rotational state of the rotation lever 436a, the operation handle assembly 300 is pulled upward to pull out the pair of insertion protrusions 307 and 309 from the pair of guide grooves 414e and 414f. At this time, the latch 434f is released from the recess 414c of the operation handle assembly 300 and is returned to its original position along the guide hole 414d by the elastic member 439.

Accordingly, the user can switch from the upright type to the canister type vacuum cleaner as shown in FIG. 12 through a simple operation of rotating the button unit 435 and pulling the operation handle assembly 300 as described above. In this case, the user may attach and use an accessory nozzle 500 suitable for a cleaning purpose at the other end of the extension pipe 320.

On the other hand, when the vacuum cleaner is stored after cleaning, as shown in Figure 2, the operation handle assembly 300 is locked to the transport handle assembly 400 and the extension tube 320 is the insertion hole (121a) of the extension tube insertion portion 121 After inserting it in, the operation handle assembly 300 is pressed to reduce the extension pipe 320 to set the overall height of the vacuum cleaner low.

As described above, the second embodiment of the present invention has a simple structure without forming a separate frame part for supporting the cleaner main body 200 in the suction port 100 as in the first embodiment.

When the vacuum cleaner according to the second embodiment is used as an upright type, the suction path of dust and air is the same as that of the first embodiment. That is, the dust and dirt introduced through the inlet 100 are sequentially passed through the extension pipe 320, the operation handle assembly 300, and the hose 310 to the cyclone portion 211, the dust is dust Collected in the container 213 and the air is discharged to the outside of the cleaner body 200 via a suction motor (not shown).

1 is a side view showing a state using a vacuum cleaner according to a first embodiment of the present invention as an upright type,

Figure 2 is an exploded perspective view showing a vacuum cleaner according to a first embodiment of the present invention,

3 is a side view showing a state in which the vacuum cleaner according to the first embodiment of the present invention is used as a canister type;

4 and 5 are perspective views showing an upright type state of the vacuum cleaner according to the second embodiment of the present invention;

Figure 6 is a perspective view of the operation handle assembly shown in Figure 4,

7 is a perspective view of the transport handle assembly shown in FIG.

8 is a perspective view showing an operating unit installed in the transport handle assembly shown in FIG. 7;

9 is a perspective view showing a state in which the operating unit and the sliding bar shown in Figure 8 is connected,

10 is a schematic cross-sectional view showing the interior of the operating unit shown in FIG.

11 is a schematic view showing a state of using a vacuum cleaner according to a second embodiment of the present invention as an upright type,

12 is a schematic diagram showing a state in which a vacuum cleaner according to a second embodiment of the present invention is used as a canister type.

* Description of Signs for Main Parts in Drawings *

11,200: cleaner body 15,300: operation handle assembly

17,320: extension pipe 20,100: suction port

12b, 210: Dust collection unit 400: Transport handle assembly

Claims (11)

A suction port having a suction port and a suction flow path for sucking dust on the surface to be cleaned; And, A cleaner body having a dust collecting unit and a motor connected to the dust collecting unit; And, And an extension tube communicating with the cleaner body, the extension tube being detachable in the longitudinal direction of the cleaner body on one side of the cleaner body. When used as an upright type, the extension pipe is connected to the suction inlet and supports the cleaner body together with an air movement path from the suction inlet to the cleaner body; When used in the canister type, the extension tube is vacuum cleaner, characterized in that separated from the suction port. The vacuum cleaner as claimed in claim 1, wherein the suction port further comprises a turning connector connected to and separated from the extension pipe. According to claim 2, wherein the pivot connector A hinge shaft having both ends pivotably connected to the rear of the suction port; And, And a coupling tube coupled to the hinge shaft and in communication with the suction flow passage, the coupling tube being detachably coupled to the extension tube. The vacuum cleaner according to claim 2, wherein the extension tube rotates the cleaner body with respect to the suction port by rotating with respect to the suction port in a state of being connected to the pivot connector when used as an upright type. The vacuum cleaner as claimed in claim 1, wherein the cleaner body has at least one snap fitting port protruding from the extension pipe on one surface thereof. The vacuum cleaner of claim 1, wherein the vacuum cleaner switches from the upright type to the canister type through an operation of separating the extension tube and the pivot connector and connecting an accessory nozzle to one end of the extension tube. Vacuum cleaner. A suction port having a suction port and a suction flow path for sucking dust on the surface to be cleaned; A cleaner body having a dust collecting unit and a motor connected to the dust collecting unit; An operation handle assembly having one side communicating with the cleaner body through a hose, and the other side communicating with an extension tube installed / removable to the cleaner body; And, And a carrying handle assembly configured to slide along the cleaner body and to extend in length together with or separately from the manipulation handle assembly. When used as an upright type, the extension tube communicates with the suction inlet, and supports the cleaner body together with an air movement path from the suction inlet to the cleaner body; When used in the canister type, the extension tube is vacuum cleaner, characterized in that separated from the suction port. The method of claim 7, wherein the transport handle assembly A body part having a holding part at one side and a docking of the operation handle assembly at a rear side thereof; A sliding bar installed in the cleaner body to be slidable along the longitudinal direction of the cleaner body; And, And a working unit connected to the sliding bar and installed on the body part with a part of the body being exposed to the outside of the body part. And said operating unit locks and unlocks said sliding bar and said operating handle assembly simultaneously or selectively. The method of claim 8, wherein the operating unit And rotating the portion exposed to the outside of the body to unlock the manipulation handle assembly, and pressurizing the portion exposed to the outside of the body to unlock the sliding bar. The method of claim 9, wherein the operation unit A bar fixing case fixed in the body part to support the sliding bar; A rotatable part rotatably installed on an upper part of the bar fixing case and having a latch protruding backward from the body part on one side and inserted into a locking groove of the manipulation handle assembly; A button portion having an upper portion protruding outward from the body portion, the lower portion being disposed inside the rotating portion so as to rotate together with the rotating portion and vertically move independently along the rotating portion; And, And an elastic member for elastically supporting the button unit so as to be twisted and compressed with respect to the bar fixing case. The vacuum cleaner according to claim 10, wherein the elastic member is a coil spring having one end fixed to the bar fixing case and the other end fixed inside the button unit.

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