EP2234533B1 - Vacuum cleaner and hose connection unit thereof - Google Patents
Vacuum cleaner and hose connection unit thereof Download PDFInfo
- Publication number
- EP2234533B1 EP2234533B1 EP08766287.0A EP08766287A EP2234533B1 EP 2234533 B1 EP2234533 B1 EP 2234533B1 EP 08766287 A EP08766287 A EP 08766287A EP 2234533 B1 EP2234533 B1 EP 2234533B1
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- EP
- European Patent Office
- Prior art keywords
- hose
- unit
- connecting part
- terminal
- vacuum cleaner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/242—Hose or pipe couplings
- A47L9/246—Hose or pipe couplings with electrical connectors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Description
- This document relates to a vacuum cleaner and a hose connection unit thereof.
- Generally, a vacuum cleaner is an apparatus which sucks air containing dusts using vacuum pressure generated by a suction motor mounted in a main body and filters off the dusts in a main body.
- And, the vacuum cleaner includes a cleaner main body, a dust collection unit detachably installed in the cleaner main body, and a suction unit which sucks air containing dusts and moves the sucked air to the cleaner main body.
- The suction unit includes a suction nozzle which sucks air containing dusts, an extension pipe which is connected to the suction nozzle, a handle connected to the extension pipe, a connecting hose connected to the handle, and a connecting unit which connects the connecting hose to the cleaner main body.
- The connecting unit is provided with a release button for releasing the connecting unit from the cleaner main body. Therefore, the connecting unit may be connected or separated to/from the cleaner main body by the operation of the release button.
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JP 2006 102062 A -
JP H1085160 A - An object of the present embodiment is to propose a vacuum cleaner which allows a connecting unit, to which a connecting hose is connected, to be fixedly fastened to a cleaner main body.
- Another object of the present embodiment is to propose a vacuum cleaner and a hose connection unit thereof, which allow a connecting hose to be rotated with respect to a connecting unit.
- Further another object of the present embodiment is to propose a vacuum cleaner and a hose connection unit thereof, which prevent an electric wire, through which electric current flows, from being twisted while a connecting hose rotates.
- The objects are solved by the features of the independent claim. Preferably, a hose connection unit of a vacuum cleaner includes: a first connecting unit which is connected to a cleaner main body and from which a connecting part is inwardly protruded; and a second connecting unit which is connected with a connecting hose and is rotatably connected to the first connecting unit, wherein the second connecting unit includes an accommodation space in which the connecting part is received in order to prevent the interference with the connecting part during the rotation of the second connecting unit.
- Preferably, there is provided a vacuum cleaner, including: a connecting hose through which air containing dusts is flowed; a cleaner main body into which the air of connecting hose is introduced; and a hose connection unit composed of a first connecting unit which connects the connecting hose to the cleaner main body and is fastened to the cleaner main body, and a second connecting unit which is connected with the connecting hose and is rotatably connected to the first connecting unit, wherein the first connecting unit includes a first connection terminal for supplying power, and a connecting part which is to be connected with the second connecting unit, and wherein the second connecting unit includes a second connection terminal contacted with the first connection terminal, and an accommodation space which is formed along a periphery of the second connecting unit to accommodate the connecting part.
- Preferably, there is provided a acuum cleaner, including: a cleaner main body in which a suction portion is formed; a hose connection unit which is connected with a connecting hose and connects the connecting hose with the suction portion; a button inserting hole formed in the suction portion; a release button which is provided at the hose connection unit and is provided with an inserting portion to be inserted in the button inserting hole; and a detachment preventing means which prevents the inserting portion from being detached in a state where the inserting portion is inserted in the button inserting hole, wherein the detachment preventing means includes a detachment preventing projection protruded from the inserting portion, and a projection inserting groove, formed as an inner circumferential surface of the button inserting hole is depressed, in which the detachment preventing projection is inserted, and wherein the projection inserting groove is depressed in a direction that separates the hose connection unit from the inner circumferential surface of the button inserting hole.
- According to the proposed embodiments, since a second connecting unit can be rotated with respect to a first connecting unit while it is connected to the first connecting unit by a connecting part, a connecting hose may be prevented from being twisted while cleaning.
- Also, since a second connection terminal is connected to the second connecting unit in a peripheral direction, and a first connection terminal provided at the first connecting unit is contacted to the second connection terminal, power may be supplied via the first and second connection terminals while the second connecting unit is rotated.
- Also, since the first and second connecting units are connected not by the electric wire but by the first and second connection terminals, the electric wire may be prevented from being twisted when rotating the second connecting unit.
- Also, since a detachment preventing projection is further inserted into a projection inserting hole in a state where an inserting part of a release button is inserted in a button inserting hole formed in the cleaner main body, there is an advantage in that the hose connection unit is fixedly fastened to the suction portion.
- Also, since the release button is rotated by the button guide while the release button is pressed, the detachment preventing projection may be easily separated from the projection inserting hole.
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Fig. 1 is a perspective view of a vacuum cleaner according to a preferred embodiment of the present invention. -
Fig. 2 is an enlarged perspective view of a suction portion of a cleaner main body according to a preferred embodiment of the present invention.. -
Fig. 3 is a perspective view of a hose connection unit according to a preferred embodiment of the present invention. -
Fig. 4 is an exploded perspective view of the hose connection unit inFig. 3 . -
Fig. 5 is a perspective view of a connecting pipe. -
Fig. 6 is a bottom perspective view of a cover element. -
Fig. 7 is a perspective view of a release button according to a preferred embodiment of the present invention. -
Fig. 8 is a perspective view of a hose connecting part. -
Fig. 9 is a perspective view of a terminal connecting part. -
Figs. 10 to 14 are views showing assembling processes of the hose connection unit. -
Fig. 15 is a vertical cross-section view of the hose connection unit. -
Fig. 16 is a cross-section view showing a state where the hose connection unit is connected to a suction portion. -
Fig. 17 is a view showing an aspect where a release button inFig. 16 is detached from a button-inserting hole. - Hereinafter, preferred embodiments will be explained in detail with reference to the accompanying drawings.
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FIGURE 1 shows a vacuum cleaner according to an embodiment of the present invention in a perspective view. - Referring to
Fig. 1 , thevacuum cleaner 1 according to the preferred embodiment includes a cleanermain body 10 in which a suction motor for generating vacuum pressure in the vacuum cleaner is provided, and adust collection unit 20 for separating the dusts included in the air introduced into the cleanermain body 10. - In addition, the
vacuum cleaner 1 includes asuction nozzle 30 sucking the air containing the dusts, ahandle 50 which allows users to operate thevacuum cleaner 1, anextension pipe 40 connecting thesuction nozzle 30 with thehandle 50, a connectinghose 60 connected to thehandle 50, and ahose connection unit 100 which is connected with the connectinghose 60 and is selectively connected to the cleanermain body 10. - In detail, a
suction portion 12 into which the air sucked through thesuction nozzle 30 is introduced is formed at the cleanermain body 10. One side of thehose connection unit 100 is connected to thesuction portion 12, and the other side thereof is connected with the connectinghose 60. - The connecting
hose 60 is formed of a flexible material. And, the connectinghose 60 is rotated with respect to the cleanermain body 10 while being connected to thehose connection unit 100. -
FIGURE 2 shows a suction portion of a cleaner main body according to an embodiment of the present invention in an enlarged perspective view. - Referring to
Fig. 2 , aninserting hole 13 into which thehose connection unit 100 is inserted is formed at thesuction portion 12. Accordingly, in case thehose connection unit 100 is inserted into theinserting hole 13, the air sucked through thesuction nozzle 30 may be flowed to the cleanermain body 10. - Further, a plurality of terminal connecting
holes 14 to which a connection terminal, which will be described below, of thehose connection unit 100 is connected are formed at thesuction portion 12. In case the connection terminal is connected to the connectinghole 14, power of the cleanermain body 10 may be supplied to the handle through the connection terminal. - In addition, a
button inserting hole 15 to which a release button, which will be described below, is connected is formed at thesuction portion 12. Accordingly, in case the release button is connected to thebutton inserting hole 15, thehose connection unit 100 is fixedly fastened to thesuction portion 12. - Hereinafter, the
hose connection unit 100 will be explained in detail. -
FIGURE 3 shows a hose connection unit according to an embodiment of the present invention in a perspective view, andFIGURE 4 shows the hose connection unit ofFIGURE 3 in an exploded perspective view. - Referring to
Figs. 3 and 4 , thehose connection unit 100 according to the present embodiment includes a first connectingunit 200 connected to thesuction portion 12, and a second connectingunit 300 connected to the connectinghose 60. And, the second connectingunit 300 is rotatably connected to the first connectingunit 200. - Therefore, the connecting
hose 60 is prevented from being twisted, since the second connectingunit 300, to which the connectinghose 60 is connected, is rotated with respect to the first connectingunit 200 in a state where the first connectingunit 200 is fixed to thesuction portion 12. - In detail, the first connecting
unit 200 includes a connectingpipe 210 connected to thesuction portion 12, acover element 230 connected to an upper part of the connectingpipe 210, and arelease button 280 for selectively fastening the first connectingunit 200 to thesuction portion 12. - In addition, the first connecting
unit 200 includes aconnection terminal 250 which is selectively connected to theterminal connecting hole 14, a plurality offirst connection terminals 260 which are contacted with asecond connection terminal 330 of the second connectingunit 300, afixing element 270 which fastens the plurality offirst connection terminals 260 to thecover element 230, and anelastic element 290 which elastically supports therelease button 280. - Further, the
first connection terminal 260 and theconnection terminal 250 are connected by an electric wire which is not illustrated. - Meanwhile, the second connecting
unit 300 includes ahose connecting part 310 to which the connectinghose 60 is connected, aterminal connecting part 320 which surrounds an external surface of thehose connecting part 310 and thesecond connection terminal 330 for transferring power is connected thereto, ahose cover 350 which surrounds some of the connectinghose 60 in a state where the connectinghose 60 is connected to thehose connecting part 310, a connectingelement 340 which allows thehose connecting part 310 and theterminal connecting part 320 to be connected and has an insulating material, and asealing element 360 which is connected to thehose connecting part 310 in order to seal a contact area where thehose connecting part 310 and the connectingpipe 210 are contacted. - Hereinafter, each structural constituent of the hose connection unit will be explained in detail. First, the first connecting unit will be explained.
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FIGURE 5 shows a connecting pipe in a perspective view, andFIGURE 6 shows a cover element in a bottom perspective view. - Referring to
Figs. 4 to 6 , the connectingpipe 210 is formed in the shape of an approximate cylinder, and an air channel is formed in the connecting pipe. And, oneside 212 of the connectingpipe 210 is inserted into the insertinghole 13 of thesuction portion 12, and some of thehose connecting part 310 is inserted into theother side 213 of the connectingpipe 210. - A mounting
portion 215 on which thecover element 230 is mounted is formed at the exterior of the connectingpipe 210. - In detail, a plurality of
fastening bosses 216, which are to be fastened with thecover element 230 by a fastening element (not illustrated) such as a screw, are formed at the mountingportion 215. - Also, an elastic
element inserting portion 217 into which one end of theelastic element 290 is inserted is formed at the mountingportion 215. At the mountingportion 215, a connectingrib 218 connecting with theelastic element 290 is protruded and formed. - At the mounting
portion 215, a throughhole 219, through which a connectingpart 235 for connecting the connectingpipe 210 with thehose connecting part 310 is passed, is formed. - A plurality of
openings 220, through which both ends of thefirst connection terminal 260 are passed, are formed at the mountingportion 215. The plurality ofopenings 220 are spaced at specific intervals. According to the present embodiment, 4openings 220 are formed, however it should be noted that the number of theopening 220 is not restricted thereto. - Also, a
support rib 221 which supports a side surface of thecover element 230 is formed at the mountingportion 215. A plurality of connectingholes 222, into which a connecting projection (seereference numeral 242 inFig. 14 ) formed at thecover element 230 is connected, are formed at thesupport rib 221. Accordingly, thecover element 230 is fastened to the connectingpipe 210 by the connecting projection (seereference numeral 242 inFig. 14 ) and the screw. - At the
other side 213 of the connectingpipe 210, a cover guide 214 surrounding some of thehose cover 350 is formed. - Meanwhile, a button through
hole 231, through which therelease button 280 is passed, is formed at thecover element 230. Therelease button 280 passes through the button throughhole 231 at the lower part of thecover element 230. And, a plurality ofseat ribs 241 on which therelease button 280 is seated are formed at a contour of the button throughhole 231. At the contour of the button throughhole 231, aguide rib 240, which guides the vertical movement of therelease button 280 and prevents the horizontal movement, is formed. - Also,
seat grooves 232, on which the plurality ofconnection terminals 250 are seated, are formed at thecover element 230 in parallel. And, an electricwire support rib 233, which supports anelectric wire 252 connected with theconnection terminal 250, is formed at thecover element 230. Aseat groove 234 on which theelectric wire 252 is seated is formed at the electricwire support rib 233. - Further, a plurality of
fastening holes 243, which are to be fastened with screws, are formed at thecover element 230. - The connecting
part 235 which connects the connectingpipe 210 with thehose connecting part 310 is formed at a middle of thecover element 230. The connectingpart 235 is extended downwardly from a bottom surface of thecover element 230 for a predetermined length. - Also, a pair of connecting
projections first connection terminal 260 is connected, are formed at thecover element 230 in numbers. That is, a pair of connectingprojections first connection terminal 260, and the pair of connectingprojections first connection terminal 260. - And, a fixing
element 270 is connected to the connectingprojections projections first connection terminal 260. A plurality of connectingprojections element 270 simultaneously. And, a through hole, through which the connectingprojections first connection terminal 260 and the fixingelement 270. - Further, connecting
holes element 270 is connected, are formed at the connectingpart 235 and a rear of thecover element 230. That is, the connectingprojections element 270, and some of the fixingelement 270 is inserted into the connectingholes - At the respective
first connection terminal 260, anelectric wire 252 connected with therespective connection terminal 250 is connected. And, a plurality of electric wire guides 239, which fixes the position ofelectric wire 252 connected with thefirst connection terminal 260, are formed at thecover element 230. -
FIGURE 7 shows a release button according to the present embodiment in a perspective view. - Referring to
Figs. 6 and 7 , therelease button 280 includes apressing part 282 which allows for the user to press it, and ahook 284 which is extended from thepressing part 282 and is selectively connected to abutton inserting hole 15 of thesuction portion 12. And, a plurality of lockingribs 288, which are fastened to seatribs 241 of thecover element 230, are formed at both sides of therelease button 280. - In detail, a
slanted surface 283, which allows for the user to press thepressing part 282 with ease, is formed at an upper part of thepressing part 282. - The
hook 284 includes an insertingportion 285 which is selectively inserted into thebutton inserting hole 15. The insertingportion 285 includes acontact surface 286 which is contacted with an inner circumferential surface of thebutton inserting hole 15. - Further, a
detachment preventing projection 287, which prevents the insertingportion 285 from separating from thebutton inserting hole 15, is formed at thecontact surface 286. Thedetachment preventing projection 287 is protruded from thecontact surface 286 toward thepressing part 282. - In the next place, a second connecting unit will be explained.
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FIGURE 8 shows a hose connecting part in a perspective view, andFIGURE 9 shows a terminal connecting part in a perspective view. - Referring to
Figs. 4 ,8 and 9 , thehose connecting part 310 is formed in the shape of a cylinder. A sealingelement connecting part 311, to which thesealing element 360 is connected, is formed at a front end of thehose connecting part 310. - A pair of
guide ribs element connecting part 311. The pair ofguide ribs hose connecting part 310, and they are protruded at a predetermined height from thehose connecting part 310. And, the pair ofguide ribs accommodation space 313, in which the connectingpart 235 is accommodated, is formed between the pair ofguide ribs - Here, the
accommodation space 313 is also formed along the periphery of thehose connecting part 310, since the pair ofguide ribs hose connecting part 310. - Therefore, the
hose connecting part 310 is prevented from being moved in the back-and-forth direction in a state where the connectingpart 235 is received in theaccommodation space 313, while thehose connecting part 310 may rotate. That is, the interference with the connectingpart 235 is prevented by theaccommodation space 313 during the rotation of the second connectingunit 300. - A pair of insertion guides 316a, 316b for guiding the insertion of the connecting
element 340 are formed at thehose connecting part 310. The pair of insertion guides 316a, 316b are spaced apart at a specific distance. Accordingly, a connectingelement accommodating portion 317, in which the connectingelement 340 is received, is formed between the pair of insertion guides 316a, 316b. - Also, a plurality of
support ribs 315, which support theterminal connecting part 320 in a state where theterminal connecting part 320 is connected to thehose connecting part 310, are formed at thehose connecting part 310. Thesupport ribs 315 are formed along the periphery of thehose connecting part 310 and prevent theterminal connecting part 320 from being deformed in a radial direction. - Further, a plurality of
guide grooves 315a for guiding the connection of theterminal connecting part 320 are respectively formed at each of the plurality ofsupport ribs 315. - Meanwhile, the
terminal connecting part 320 is formed in the shape of a cylinder. And, theterminal connecting part 320 surrounds an exterior of thehose connecting part 310. An connectingelement inserting hole 321, in which the connecting element is inserted, is formed at theterminal connecting part 320. And, asupport surface 326, which supports the connectingelement 340 in a state where the connectingelement 340 is inserted into the insertinghole 321, is formed at theterminal connecting part 320. - Further, some of the connecting
element 340 is disposed at the connectingelement accommodating portion 317 in a state where the connectingelement 340 is inserted into the insertinghole 321. Therefore, thehose connecting part 310 and theterminal connecting part 320 are connected by the connectingelement 340. - A plurality of
terminal seating grooves 322 on which thesecond connection terminal 330 is seated are formed along the periphery of theterminal connecting part 320. The plurality ofterminal seating grooves 322 are spaced apart at a specific distance. And, theterminal connecting part 320 is formed in the shape of a ring. - In detail, a pair of
terminal seating grooves 322 are formed at both sides of the connectingelement inserting hole 321, respectively. And, a throughhole 323, through which some of thesecond connection terminal 330 is passed in a state where thesecond connection terminal 330 is seated, is formed in theterminal seating grooves 322. And, an electric wire (not illustrated) provided at the connectinghose 60 is connected to thesecond connection terminal 330 passed through the throughhole 323. - A plurality of
guide ribs 324 are formed at an inner circumferential surface of theterminal connecting part 320. Each of theguide ribs 324 guides the connection of thehose connecting part 310 and theterminal connecting part 320 and is inserted into theguide groove 315a of thehose connecting part 310. - Therefore, by means of the
guide rib 324 and theguide groove 315a, theterminal connecting part 320 is connected to thehose connecting part 310 with a certain d irectivity. And, in case theterminal connecting part 320 is connected to thehose connecting part 310, the connectingelement inserting hole 321 and the connectingelement accommodating portion 317 are vertically arranged. - At one end of the
terminal connecting part 320, a lockingjaw 325, to which thehose cover 350 is fastened, is formed in a peripheral direction. -
FIGURES 10 to 14 show assembling processes of the hose connection unit, andFIGURE 15 shows the hose connection unit in a vertical cross-section view. - Referring to
Figs. 10 to 15 , the assembling processes of the hose connection unit will be explained. - First, as shown in
Fig. 10 , thesecond connection terminal 330 is connected to theterminal connecting part 320. After that, theterminal connecting part 320, to which thesecond connection terminal 330 is connected, is connected to thehose connecting part 310. - And then, the
guide rib 324 is inserted into theguide groove 315a, and the connectingelement inserting hole 321 and the connectingelement accommodating portion 317 are vertically arranged. And, theterminal connecting part 320 surrounds some of thehose connecting part 310. - After that, as shown in
Fig. 11 , thehose cover 350 is connected to theterminal connecting part 320. In that case, theterminal connecting part 320 perforates thehose cover 350, and thehose cover 350 is fastened to the lockingjaw 325 of theterminal connecting part 320 as shown inFig. 12 . Here, a locking rib (seereference numeral 352 inFig. 15 ), to which thelocking jaw 325 is fastened, is formed at an inner circumferential surface of thehose cover 350. - And then, the
hose connecting part 310 and theterminal connecting part 320 are connected by the connectingelement 340 as shown inFig. 12 . Specifically, at one side of theterminal connecting part 320, the connectingelement 340 is slidingly inserted into the connectingelement inserting hole 321. - In that case, the connecting
element 340 is accommodated in the connectingelement accommodating portion 317 while being inserted into the connectingelement inserting hole 321, and therefore the assembly of the second connectingunit 300 is completed. And, a lower surface of the connectingelement 340 is seated on thesupport surface 326 in a state where the connectingelement 340 is inserted into the connectingelement inserting hole 321. - Here, the distance between the connecting
element inserting hole 321 and the connectingelement accommodating portion 317 is formed to correspond to the width of the connectingelement 340. Accordingly, the connectingelement 340 is interference-fitted into the connectingelement inserting hole 321 and connectingelement accommodating portion 317. - And, as shown in
Fig. 13 , some of the second connectingunit 300 is inserted into the connectingpipe 210. Into the connectingpipe 210, thehose connecting part 310 and theterminal connecting part 320 are inserted. - And then, as shown in
Fig. 14 , the second connectingunit 300 is disposed below theopening 220, and theaccommodation space 313 in which the connectingpart 235 is accommodated is disposed below the throughhole 219 through which the connectingpart 235 is passed. - Next, one end of the
elastic element 290 is inserted into the elasticelement inserting portion 217. And, thecover element 230 is connected to the connectingpipe 210 while therelease button 280 is seated on thecover element 230. In this case, the connectingpart 235 passes the throughhole 219 and is accommodated in theaccommodation space 313, and a connectingprojection 242 is connected to the connectinghole 222. - And, a fastening element S is fastened into the
cover element 230 and thehose connecting part 310. Then, the first connectingunit 200 and the second connectingunit 300 are connected as soon as the assembly of the first connectingunit 200 is finished. - And, in case the first connecting
unit 200 and the second connectingunit 300 are connected, both ends of thefirst connection terminal 260 are contacted to thesecond connection terminal 330 via theopening 220. - According to the present embodiment, the second connecting
unit 300 may rotate with respect to the first connectingunit 200 in a state where the second connectingunit 300 is connected to the first connectingunit 200 by the the connectingpart 235, since theaccommodation space 313 accommodating the connectingpart 235 is formed at thehose connecting part 310 along the periphery thereof. - Therefore, the connecting
hose 60 may be prevented from being twisted while cleaning, as the second connectingunit 300 is rotated with respect to the first connectingunit 200. - And, the
first connection terminal 260 and thesecond connection terminal 330 can be contacted to each other even though thesecond connection terminal 330 rotates, since thesecond connection terminal 330 is connected to theterminal connecting part 320 along the perihery thereof and thefirst connection terminal 260 is contacted to thesecond connection terminal 330 via theopening 220. - Further, an electric wire may be prevented from being twisted when the second connecting
unit 300 rotates, since the first connectingunit 200 and the second connectingunit 300 are connected not by the electric wire but by thefirst connection terminal 260 andsecond connection terminal 330. -
FIGURE 16 shows a state where the hose connection unit is connected to a suction portion in a cross-section view, andFIGURE 17 shows an aspect where a release button inFig. 16 is detached from a button-inserting hole. - Referring to
Figs. 16 and17 , thesuction portion 12 includes anouter case 12a and aninner case 12b. And, the insertinghole 13 and thebutton inserting hole 15 are formed in theinner case 12b. - In detail, a
pressing projection 18, which presses an upper surface of the insertingportion 285 while thehose connection unit 100 is connected, is formed at a front surface of theouter case 12a. - And, a
projection inserting groove 17, into which thedetachment preventing projection 287 is inserted, is formed in an innercircumferential surface 16 of thebutton inserting hole 15. Theprojection inserting groove 17 is depressed and formed into the innercircumferential surface 16 of thebutton inserting hole 15 in a direction for separating the thehose connection unit 100. - Therefore, in case the the
hose connection unit 100 is inserted in thesuction portion 12, theelastic element 290 is constricted as thepressing projection 18 pushes the upper surface of the insertingportion 285, and therelease button 280 is moved inside thehose connection unit 100. - And, the upper surface of the inserting
portion 285 is slid along an inner surface of theinner case 12b. Here, while thehose connection unit 100 is inserted in thesuction portion 12, the insertingportion 285 is maintained to be pressed by the inner surface of theinner case 12b. - In case the
hose connection unit 100 is fully inserted in thesuction portion 12, the insertingportion 285 is aligned with thebutton inserting hole 15. In this case, theelastic element 290 is elongated, as the force exerted on the insertingportion 285 is released. - And, the
release button 280 is moved out of thehose connection unit 100 by the restoring force of theelastic element 290. And then, the insertingportion 285 is inserted into thebutton inserting hole 15. - In case the inserting
portion 285 is inserted into thebutton inserting hole 15, acontact surface 286 of the insertingportion 285 is tightly contacted to the innercircumferential surface 16 of thebutton inserting hole 15, and thedetachment preventing projection 287 is inserted into theprojection inserting groove 17. - Therefore, in case the
hose connection unit 100 is pulled without pressing therelease button 280, thehose connection unit 100 is not separated from thesuction portion 12 because thedetachment preventing projection 287 is forced toward theprojection inserting groove 17. - Meanwhile, a
button guide 223, which guides the movement of therelease button 280 while therelease button 280 is pressed, is formed at the connectingpipe 210. - In detail, a
slanted surface 224 is formed at an upper part of thebutton guide 223. Theslanted surface 224 is formed at a region adjacent to thepressing part 282 so that it is downwardly inclined toward thehook 284. That is, a vertical distance between theslanted surface 224 and thepressing part 282 is longer than a distance between theslanted surface 224 and thehook 284. - Accordingly, the
release button 280 is spaced apart from thebutton guide 223 in a state where the insertingportion 285 is inserted into thebutton inserting hole 15. In this state, if the release button is pressed, a bottom surface of therelease button 280 will be contacted with atop point 225 of the slantedsurface 224. - And then, the
release button 280 is rotated to abottom point 226 while being contacted with thetop point 225. And, thedetachment preventing projection 287 is separated from theprojection inserting groove 17 during the rotation of therelease button 280, and thepressing part 282 is separated from thebutton inserting hole 15, and therefore thehose connection unit 100 may be separated from thesuction portion 12. - According to the present embodiment, since the
detachment preventing projection 287 is further inserted into theprojection inserting groove 17 in a state where thepressing part 282 is inserted in thebutton inserting hole 15, thehose connection unit 100 may be fixedly fastened to thesuction portion 12. - In addition, since the
release button 280 is rotated by thebutton guide 223 while therelease button 280 is pressed, thedetachment preventing projection 287 may be easily detached from theprojection inserting groove 17 when separating thehose connection unit 100. - Here, since the
detachment preventing projection 287 and theprojection inserting groove 17 serve to prevent the detachment of the insertingportion 285 when the insertingportion 285 is inserted into thebutton inserting hole 15, thedetachment preventing projection 287 andprojection inserting groove 17 may be referred to as a detachment preventing means. - Further, a
region 19 contacting with the inserting portion at the inner circumferential surface of the insertinghole 15 serves as a locking part to which thehook 284 is fastened. And, as shown inFig. 16 , thedetachment preventing projection 287 surrounds some of the locking part. Therefore, according to the present embodiment, thedetachment preventing projection 287 serve to maintain the connection between thehook 284 and the locking part.
Claims (9)
- A hose connection unit (100) of a vacuum cleaner, comprising:a first connecting unit (200) which is connected to a cleaner main body (10) and from which a connecting part (235) is inwardly protruded; anda second connecting unit (300) which is connected with a connecting hose (60) and is rotatably connected to the first connecting unit (200),wherein the second connecting unit (300) comprises an accommodation space (313) in which the connecting part (235) is received in order to prevent the interference with the connecting part (235) during the rotation of the second connecting unit (300),characterized in that the first connecting unit comprises a connecting pipe (210) in which a through hole (219), through which the connecting part (235) is passed, is formed, and a cover element (230) which is connected to the connecting pipe (210) and is provided with the connecting part (235).
- The hose connection unit (100) of the vacuum cleaner according to claim 1, wherein the accommodation space (313)is formed along a periphery of the second connecting unit (300).
- The hose connection unit (100) of the vacuum cleaner according to claim 1, wherein the second connecting unit (300) comprises a hose connecting part (310) which is inserted into the connecting pipe (210) and is provided with the accommodation space (313), and wherein the connecting part (235) of the cover element (230) is received in the accommodation space (313) in a state where it passes the through hole (219).
- The hose connection unit (100) of the vacuum cleaner according to claim 1, wherein the first connecting unit (200) comprises a first connection terminal (260) for supplying power,
and wherein the second connecting unit (300) comprises a second connection terminal (330) which is contacted with the first connection terminal (260) during the rotation thereof. - The hose connection unit (100) of the vacuum cleaner according to claim 4, wherein the cover element (230) comprises a connecting projection (238a, 238b) to which the first connection terminal (260) is connected, and a fixing element (270) which fixes the location of the first connection terminal (260) as it is connected to the connecting projection (238a, 238b) in a state where the first connection terminal (260) is connected to the connecting projection (238a, 238b).
- The hose connection unit (100) of the vacuum cleaner according to claim 4, wherein an opening (220) for passing the first connection terminal (260) is formed in the connecting pipe (210), and the first connection terminal (260) is contacted to the second connection terminal (330) by passing through the opening (220).
- The hose connection unit (100) of the vacuum cleaner according to claim 4, wherein the second connecting unit (300) comprises:a hose connecting part (310) to which the connecting hose (60) is connected,a terminal connecting part (320) which is connected to the hose connecting part (310) and to which the second connection terminal (330) is connected in a peripheral direction, anda connecting element (340) which connects the hose connecting part (310) with the terminal connecting part (320).
- The hose connection unit (100) of the vacuum cleaner according to claim 7, wherein the hose connecting part (310) comprises a support rib (315) which supports the terminal connecting part (320) and in which a guide groove is formed (315a),
and wherein the terminal connecting part (320) comprises a guide rib (324) which is to be inserted into the guide groove (315a). - The hose connection unit (100) of the vacuum cleaner according to claim 7, wherein an inserting hole (321) in which the connecting element (340) is inserted is formed in the terminal connecting part (320), and an accommodating portion (317) in which the connecting element (340) is received in a state where the connecting element (340) is inserted in the inserting hole (321) is formed at the hose connecting part (310).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070130652A KR100906845B1 (en) | 2007-12-14 | 2007-12-14 | Vacuum cleaner and hose connection unit thereof |
KR1020070130662A KR100912312B1 (en) | 2007-12-14 | 2007-12-14 | Vacuum cleaner |
PCT/KR2008/003325 WO2009078517A1 (en) | 2007-12-14 | 2008-06-13 | Vacuum cleaner and hose connection unit thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2234533A1 EP2234533A1 (en) | 2010-10-06 |
EP2234533A4 EP2234533A4 (en) | 2013-06-05 |
EP2234533B1 true EP2234533B1 (en) | 2014-06-18 |
Family
ID=40795624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08766287.0A Not-in-force EP2234533B1 (en) | 2007-12-14 | 2008-06-13 | Vacuum cleaner and hose connection unit thereof |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2234533B1 (en) |
WO (1) | WO2009078517A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102267512B1 (en) * | 2019-12-03 | 2021-06-18 | 엘지전자 주식회사 | Vacuum cleaner |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0756469A1 (en) * | 1995-02-16 | 1997-02-05 | Koninklijke Philips Electronics N.V. | Coupling comprising two mutually rotatable and electrically connectable coupling members, and vacuum cleaner provided with such a coupling |
JP3505929B2 (en) * | 1996-09-12 | 2004-03-15 | 三菱電機株式会社 | Vacuum cleaner hose |
KR19990048532A (en) * | 1997-12-10 | 1999-07-05 | 전주범 | Socket rotating structure of vacuum cleaner |
JP2001204666A (en) * | 2000-01-25 | 2001-07-31 | Sanyo Electric Co Ltd | Electric vacuum cleaner |
JP2002209801A (en) * | 2001-01-15 | 2002-07-30 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
JP2005027973A (en) * | 2003-07-09 | 2005-02-03 | Sanyo Electric Co Ltd | Dry and wet type vacuum cleaner |
JP2006102062A (en) * | 2004-10-04 | 2006-04-20 | Ando Kasei Kk | Slide ring for hose connection part of vacuum cleaner |
JP2007252695A (en) * | 2006-03-24 | 2007-10-04 | Sanyo Electric Co Ltd | Connection hose for vacuum cleaner, and vacuum cleaner with the same |
-
2008
- 2008-06-13 EP EP08766287.0A patent/EP2234533B1/en not_active Not-in-force
- 2008-06-13 WO PCT/KR2008/003325 patent/WO2009078517A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2009078517A1 (en) | 2009-06-25 |
EP2234533A4 (en) | 2013-06-05 |
EP2234533A1 (en) | 2010-10-06 |
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