KR20140126809A

KR20140126809A - Vacuum cleaner

Info

Publication number: KR20140126809A
Application number: KR1020130044250A
Authority: KR
Inventors: 김시현; 김현철; 이한샘; 이현주
Original assignee: 삼성전자주식회사
Priority date: 2013-04-22
Filing date: 2013-04-22
Publication date: 2014-11-03

Abstract

Provided is a vacuum cleaner with a connector which contains an elastic member therein in order to absorb impact applied to a suction unit. The vacuum cleaner comprises: a body having a fan motor to generate a suction force therein; the suction unit to suck air on a surface to be cleaned by the suction force generated by the fan motor; a connecting tube connected to the suction unit in order to transmit air sucked from the suction unit to the body; a connecting hose to connect the connecting tube and the body; and a connector to connect the suction unit and the connecting tube to absorb the impact applied to the suction unit by providing the elastic member therein.

Description

{VACUUM CLEANER}

Disclosed is a vacuum cleaner having a connector capable of absorbing an impact applied to a suction unit.

Generally, the vacuum cleaner includes a fan motor that generates a suction force, a suction unit that closely contacts the surface to be cleaned and sucks air by the suction force of the fan motor, and a dust collecting device that collects and collects dirt from the air sucked through the suction unit It is a home appliance that performs cleaning.

The fan motor and the dust collecting device can be accommodated in the main body, and the suction unit can be connected to the main body by the connecting pipe and the connecting hose, and can move on the surface to be cleaned.

When the suction unit hits an obstacle such as a wall during the cleaning process, the impact is transmitted to the user's wrist, etc., and the user may feel fatigue easily, and the cleaning time may be prolonged. In order to absorb the impact, There is a problem in that it is not visually observable.

One aspect of the present invention provides a vacuum cleaner having a connector in which an elastic member is housed to absorb an impact applied to a suction unit.

The cleaner according to an embodiment of the present invention includes a main body having a fan motor for generating a suction force therein, a suction unit for sucking air on the surface to be cleaned by a suction force generated by the fan motor, A connecting tube connected to the suction unit for transmitting the fluid to the main body, a connecting hose connecting the connecting tube to the main body, and an elastic member provided inside the suction unit and connecting tube, And a connector for absorbing the electric power.

The connector may include a first coupling portion coupled to the suction unit and a second coupling portion having a cylindrical shape to be coupled to the coupling tube.

Wherein the second coupling portion includes an outer tube having a larger diameter than the coupling tube and an inner tube having a smaller diameter than the coupling tube and provided inside the outer tube, A receiving portion in which the elastic member is accommodated can be provided.

The coupling pipe may have a plurality of coupling protrusions coupled to the second coupling portion, and the plurality of coupling protrusions may protrude radially from the outer circumference of the coupling pipe.

The outer tube includes a first guide portion for vertically guiding the plurality of engaging projections from an upper end of the outer tube, a second guide portion for guiding the plurality of engaging projections in a horizontal direction from a lower portion of the first guide portion, And a guide portion including a third guide portion for vertically guiding the plurality of engaging projections upward from the opposite side of the second guide portion connected to the first guide portion so as to have a number corresponding to the plurality of engaging projections .

The plurality of coupling protrusions are respectively guided downward along the plurality of first guide portions to be inserted into the second coupling portions and rotated to be guided horizontally along the plurality of second guide portions, Can be prevented.

The third guide portion may be shorter than the first guide portion.

The connection pipe is inserted into the accommodating portion to be coupled to the upper portion of the elastic member and is coupled to the second engaging portion, and the connection pipe coupled to the second engaging portion is moved up and down along the third guide portion The elastic member can be compressed and tensioned to absorb the impact applied to the suction unit.

The elastic member may be a compression spring.

According to the embodiments of the present invention, the impact applied to the user is alleviated, fatigue of the wrist is reduced, and the cleaning time can be shortened. The furniture and the like striking the suction unit during the cleaning process can be protected, It makes the effect feel emotional.

1 is a perspective view illustrating a vacuum cleaner according to an embodiment of the present invention;
2 shows a suction unit according to an embodiment of the present invention;
3 is an exploded perspective view of a suction unit according to an embodiment of the present invention;
Fig. 4 is an exploded perspective view showing an angle different from that of Fig. 3; Fig.
5 is a view illustrating a connection of a connector and a connector according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view illustrating a state where a connector and a connector are combined according to an embodiment of the present invention; FIG.
7 is a view showing a state in which a suction unit hits an obstacle according to an embodiment of the present invention;
8 is a view showing a state in which the connection pipe of Fig. 7 compresses and stretches the elastic member; Fig.

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

As shown in FIG. 1, the vacuum cleaner includes a main body 100 having a fan motor 110 forming a suction force and a dust collecting device 120 separating and collecting dirt from the sucked air, A connection pipe 300 connected to the suction unit 200 for transferring air sucked in the suction unit 200 to the main body and a connection pipe 300 connecting the connection pipe 300 and the main body 100 A connection hose 400 and a connector 500 connecting the suction unit 200 and the coupling pipe 300.

The dust collecting apparatus 120 may be a cyclone system for separating dirt using a centrifugal force, a dust bag system for filtering dirt by passing air through a filtration bag, or any of various known methods for separating dirt It can be one.

The purified air separated from the dust through the dust collecting apparatus 120 is discharged again to the outside of the main body 100.

The suction unit 200 is provided in close contact with the surface to be cleaned to suck the air on the surface to be cleaned, and a detailed description will be given below.

The connection pipe 300 is provided to have a predetermined rigidity and is connected to the suction unit 200 to transfer the air sucked in the suction unit 200 to the main body 100.

The connection hose 400 connects the connection pipe 300 and the main body 100 and is made of a flexible material.

Between the connection pipe 300 and the connection hose 400 is provided a handle 700 that can be gripped by a user and a plurality of operation buttons 710 are provided on the handle 600 so that a user can operate the cleaner .

The connector 500 is provided to connect the suction unit 200 and the coupling pipe 300, and a detailed description will be given below.

2 to 4, the suction unit 200 includes a cover 210 coupled to the connector 500 and a suction port 257 for sucking air on the surface to be cleaned, A brush base 230 provided with a brush 234 and capable of moving up and down between the cover 210 and the bottom plate 250 and a brush base 230 having a brush 234 for moving the brush base 230 And a spring 240 elastically supporting the brush base 230. The lever member 220 may be formed of a flexible material.

The cover 210 is disposed on the upper side of the lever member 220, the brush base 230, the spring 240 and the bottom plate 250 to form most of the appearance of the suction unit 200.

The cover 210 includes a suction duct 211 for guiding the sucked air to the main body 100, a first rotating shaft 213 for rotatably coupling the cover 210 to the bottom plate 250, An opening 212 to allow the operation member 223 to operate the member 220 to be exposed to the outside and a guide bar 216 to support the brush base 230 to move up and down can be provided.

The cover 210 is provided with a second rotation shaft receiving portion 214 for receiving the second rotation shaft 251 provided on the bottom plate 250 and a third rotation shaft 221 provided on the lever member 220 A third rotary shaft receiving portion 215 may be provided.

The first rotation shaft 213 and the second rotation shaft 251 can be received rotatably in the first rotation shaft receiving portion 253 and the second rotation shaft receiving portion 214, respectively.

The first rotation axis 213 and the second rotation axis 251 are formed on the same line so that the extension line of the first rotation axis 213 and the extension line of the second rotation axis 251 are provided on the same straight line to form one rotation axis With this configuration, the bottom plate 250 can be relatively rotatable with respect to the cover 210 by an external force.

The third rotary shaft 221 provided on the lever member 220 is received so as to freely rotate in the third rotary shaft receiving portion 215 like the first rotary shaft 213 and the second rotary shaft 251, May be coupled to the cover 210 rotatably.

The guide bar 216 protrudes from the cover 210 toward the bottom plate 250. The guide bar 216 penetrates the through hole 231 formed in the brush base 230 and includes a mounting protrusion 255 provided on the bottom plate 250, Respectively.

The brush base 230 which is lifted and lowered by the lever member 220 is supported by the guide bar 216 and can be raised and lowered between the cover 210 and the bottom plate 250.

The cover 210 is provided with a cutout groove 217 in which the marking portion 235 of the brush base 230 is received and the marking portion 235 accommodated in the cutout recess 217 is formed in the cutout recess 217, The lifting and lowering between the cover 9210 and the bottom plate 250 can be carried along with the brush base 230.

The lever member 220 includes a third rotation shaft 251 rotatably received in a third rotation shaft receiving portion 215 provided in the cover 210 and an operation portion 223 for rotating the lever member 220 by user's operation And a pressing protrusion 229 for pressing the brush base 230. [

The operating portion 223 may include a first operating portion 225 for rotating the lever member 220 in one direction and a second operating portion 227 for rotating the lever member 220 in the other direction, (220) is rotated about the third rotation axis (221).

The brush base 230 ascending and descending toward the cover 210 by the spring 240 disposed at the lower portion of the brush base 230 is pressed by the pressing protrusion 229 of the lever member 220 toward the bottom plate 250 The brush base 230 can be lifted and lowered according to the cleaning mode.

The brush base 230 is provided with a through hole 231 through which a suction port 257 provided in the bottom plate 250 passes, a guide hole 232 through which a guide bar 216 provided in the cover 210 passes, A brush 234 for cleaning the surface to be cleaned and a cutout groove 217 provided in the cover 210 to expose the brush base 230 to the outside, A marking portion 235 for allowing the user to recognize and an action portion 238 to be pressed by the pressing protrusion 229 provided on the lever member 220 can be provided.

The air sucked through the suction port 257 provided on the bottom plate 250 is transmitted to the suction duct 211 of the cover 210 through the through hole 231 of the brush base 230, And is transferred to the main body 100 through the hose 400.

The guide hole 232 is provided so as to penetrate the guide bar 216 so that the brush base 230 is supported by the guide bar 216 and can be raised and lowered.

The spring 240 is mounted between the spring mounting portion 233 of the brush base 230 and the mounting protrusion 255 provided on the bottom plate 250 and the guide bar 216 penetrating the guide hole 232 So that the brush base 230 is lifted and lowered.

The bottom plate 250 is provided with a second rotation shaft 251 rotatably received in a second rotation shaft receiving portion 214 provided on the cover 210 and a first rotation shaft 213 provided on the cover 210 rotatably A mounting shaft 253 to which the spring 240 is mounted and a suction port 257 for sucking air from the surface to be cleaned may be provided.

The configuration of the bottom plate 250 has been described above, and a description thereof will be omitted.

5 to 6, the connector 500 is provided to connect the suction unit 200 and the connection pipe 300. [

For the sake of convenience, upper and lower, vertical and horizontal directions are expressed based on the case where the connector 500 is vertically erected.

The connector 500 includes a first coupling portion 510 coupled to the cover 210 of the suction unit 200 and a second coupling portion 520 coupled to the coupling tube 300.

The second coupling part 520 coupled to the coupling tube 300 is formed to have a cylindrical shape and includes an outer tube 521 having a diameter larger than that of the coupling tube 300 and an outer tube 521 having a diameter smaller than that of the coupling tube 300 And an inner pipe 523 provided inside the outer pipe 521.

A receiving portion 525 is provided between the outer tube 521 and the inner tube 523 and one end of the elastic member 600 and the coupling tube 300 is accommodated in the receiving portion 525.

The connecting tube 300 is received in the receiving portion 525 so as to be in contact with the upper portion of the elastic member 600 so that the connecting tube 300 is vertically moved by the elasticity of the elastic member 600, . &Lt; / RTI >

The impact applied to the suction unit 200 can be absorbed by the elastic member 600 by compression and tension of the elastic member 600 to absorb the shock applied to the user.

The elastic member 600 is not limited to a specific material as long as it is a material having elasticity such as a compression spring.

A plurality of coupling protrusions 310 are provided at one end of the coupling pipe 300 coupled to the second coupling portion 520 so that the plurality of coupling protrusions 310 protrude radially from the outer periphery of the coupling pipe 300 .

A plurality of coupling protrusions 310 are formed in the outer tube 521 of the second coupling portion 520 so as to be coupled to the plurality of coupling protrusions 310 provided in the coupling tube 300, A second guide portion 527b for horizontally guiding the plurality of engaging projections 310 from the lower portion of the first guide portion 527a and a second guide portion 527b for guiding the plurality of engaging projections 310 from the lower portion of the first guide portion 527a to the first guide portion 527a The guide portion 527 including the third guide portion 527c for vertically guiding the plurality of engagement protrusions 310 from the opposite side of the second guide portion 527b connected to the second guide portion 527b upward, (Not shown).

Although three coupling protrusions 310 are shown in the drawing, the present invention is not limited thereto.

A plurality of coupling protrusions 310 provided on the coupling pipe 300 are connected to the plurality of coupling protrusions 310 provided on the outer pipe 521, And is guided downward along the first guide portion 527a so that the coupling tube 300 is inserted into the second engaging portion 520. [

When the plurality of coupling protrusions 310 are guided to the lower ends of the plurality of first guide portions 527a, the coupling tube 300 is rotated to one side so that the plurality of coupling protrusions 310 are engaged with the plurality of second guide portions 527b So as to be guided in the horizontal direction.

Since the plurality of coupling protrusions 310 can be moved only in the horizontal direction when the plurality of coupling protrusions 310 are guided along the plurality of second guide portions 527b, The plurality of coupling protrusions 310 are moved in the upward direction along the plurality of third guide portions 527c by the elasticity of the elastic member 600, .

The third guide part 527c has a shorter length than the first guide part 527a so that the plurality of coupling protrusions 310 guided along the third guide part 527c are separated from the second coupling part 520, The elastic member 600 moves only in the vertical direction along the third guide portion 527c.

The connection pipe 300 is moved only in the vertical direction by the compression and tension of the elastic member 600 accommodated in the accommodating portion 525 and the elastic member 600 is compressed and stretched by the elastic member 600, The impact applied is absorbed.

7 to 8, when the suction unit 200 hits an obstacle such as a wall, the impact applied to the suction unit 200 is transmitted to the elastic member (not shown) 600).

Since the impact applied to the suction unit 200 is absorbed by the elastic member 600, the fatigue feeling on the user's wrist is reduced, the cleaning time can be reduced, and the furniture and the like can be protected.

The user can feel the impact absorbed by the compression and tensioning of the elastic member 600 and the suction unit 200 does not need to be provided with a separate member for absorbing the shock so that the user can visually differentiate the design have.

While the present invention has been described in detail with reference to the accompanying drawings, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the scope and spirit of the present invention. do.

100: main body 110: fan motor
120: Dust collector
200: suction unit 210: cover
211: Suction duct 212:
213: first rotating shaft 214: second rotating shaft receiving portion \
215: third rotating shaft receiving part 216: guide bar
217; Incision groove
220: lever member 221: third rotating shaft
223: operating part 225: first operating part
227: second operating portion 229: pressing projection
230: Brush base 231: Through hole
232: guide hole 233: spring mounting portion
234: Brush 235:
238:
240: spring
250: bottom plate 251: second rotating shaft
253: first rotating shaft receiving portion 255: mounting projection
257:
300: connector 310: plural engaging projections
400: Connection hose
500: connector 510: first coupling portion
520: second coupling portion 521: outer tube
523: inner tube 525:
527: guide part 527a: first guide part
527b: second guide portion 527c: third guide portion
600: elastic member
700: Handle 710: Operation button

Claims

A main body having a fan motor for generating a suction force therein;
A suction unit for sucking air on the surface to be cleaned by a suction force generated by the fan motor;
A connection pipe connected to the suction unit for transferring the air sucked in the suction unit to the main body;
A connection hose connecting the connection pipe and the main body; And
A connector which connects the suction unit and the connection pipe and has an elastic member therein to absorb an impact applied to the suction unit;
Wherein the cleaner comprises:

The method according to claim 1,
Wherein the connector includes a first coupling portion coupled to the suction unit and a second coupling portion having a cylindrical shape to be coupled to the coupling pipe.

3. The method of claim 2,
Wherein the second coupling portion includes an outer tube having a larger diameter than the coupling tube and an inner tube having a smaller diameter than the coupling tube and provided inside the outer tube, And a receiving portion in which the elastic member is accommodated is provided.

The method of claim 3,
Wherein the coupling pipe is provided with a plurality of coupling protrusions coupled to the second coupling portion, and the plurality of coupling protrusions protrudes in a radial direction from an outer periphery of the coupling pipe.

5. The method of claim 4,
The outer tube includes a first guide portion for vertically guiding the plurality of engaging projections from an upper end of the outer tube, a second guide portion for guiding the plurality of engaging projections in a horizontal direction from a lower portion of the first guide portion, And a guide portion including a third guide portion for vertically guiding the plurality of engaging projections upward from the opposite side of the second guide portion connected to the first guide portion so as to have a number corresponding to the plurality of engaging projections Wherein the vacuum cleaner comprises:

6. The method of claim 5,
The plurality of coupling protrusions are respectively guided downward along the plurality of first guide portions to be inserted into the second coupling portions and rotated to be guided horizontally along the plurality of second guide portions, So that it is prevented from being detached from the vacuum cleaner.

The method according to claim 6,
Wherein the third guide portion is shorter than the first guide portion.

8. The method of claim 7,
The connection pipe is inserted into the accommodating portion to be coupled to the upper portion of the elastic member and is coupled to the second engaging portion, and the connection pipe coupled to the second engaging portion is moved up and down along the third guide portion And compresses and stretches the elastic member to absorb an impact applied to the suction unit.

The method according to claim 1,
Wherein the elastic member is a compression spring.