KR200200566Y1 - Inhalation pipe of vacuum cleaner - Google Patents

Abstract

The present invention relates to a suction tube of a vacuum cleaner, and more specifically, to adjust the length of the suction tube that sucks dust and the like into the vacuum cleaner.

In other words, the present invention is coupled to the inner pipe (4) connected to the nozzle unit 3 to the outpipe (2) connected to the handle portion (1) of the vacuum cleaner on the outpipe (2) by the moving means (B) In the suction pipe (5) of the vacuum cleaner in which the inner pipe (4) is slidably moved so that its length can be arbitrarily adjusted,

The moving means (B) is a fastener capable of installing a rack gear (6) on the inner pipe (4), and wrapping the inner pipe (4) including the rack gear (6) on the rack gear (6). 8) to position and integrate the fixed pipe (7) and the connecting table (9) fixed on the outpipe (2), and the rack gear (6) installed in the inner pipe (4) above the fastener (8) Install a motor 11 equipped with a gearing pinion gear 10;

On the inner pipe 4 of the handle part 1 side, a fixing tube 21 on which the motor 11 is mounted is formed, and the shaft of the motor 11 is formed of a screw rod 22 to be fitted on the outpipe 2. It is supported by the sliding tube 23, the fixing tube 21 and the sliding tube 23 to form a fitting groove 24 to combine the cover 25, the motor 11 and the handle portion 1 is electrically To the inner pipe 4 and the screw rod 22 between the fixing pipe 21 and the slide tube 23 and are fixed to the end of the outpipe 2, and the fixing holes 27 having the screw holes 26 are coupled thereto. Length of the suction pipe (5) The point is to make it freely adjustable.

Description

Inhalation pipe of vacuum cleaner

The present invention relates to a suction tube of a vacuum cleaner, and more specifically, to adjust the length of the suction tube that sucks dust and the like into the vacuum cleaner.

The vacuum cleaner performs cleaning by forcibly suctioning dust and the like by using the vacuum suction input. The conventional vacuum cleaner as described above has a fixed suction length or is simply separated and coupled to the user. It was difficult to adjust to the desired length depending on the height, the cleaning place, etc.

That is, the conventional vacuum cleaner suction tube is configured to control the length of the two to four pipes in a separate coupling type, the suction pipe of such a separate coupling structure is a disadvantage that cannot be used by finely adjusting the length in multiple stages. And, due to the volume along the length of the suction pipe has a disadvantage of inconvenient to store and move the cleaner compactly after use.

Complementing the disadvantages as described above, there are many products leading to arbitrarily stretch control of the length of the suction pipe, but these are configured to be able to variably adjust the length of the suction pipe by the operation of the control lever was complicated in configuration and unstable operation.

Therefore, the present invention has been made to solve the problems of the conventional vacuum cleaner suction tube as described above, and is manufactured in a relatively simple configuration, and also in use, operating the moving means using the operation button length of the suction tube desired length Can be adjusted to improve the convenience of using the vacuum cleaner. The present invention has been completed in view of the technical problem of the present invention to provide a suction pipe structure.

1 is an exploded perspective view showing a first embodiment of the present invention

Figure 2 is a cross-sectional configuration of the coupling state of the present invention a state in which the length of the suction pipe is reduced

Figure 3 is a cross-sectional configuration of the coupling state of the present invention a state in which the length of the suction pipe is expanded

4 is a perspective view showing a second embodiment of the present invention

Figure 5 is a cross-sectional configuration of the present invention Figure 4 is a state diagram reduced the length of the suction pipe

6 is a cross-sectional view of the present invention Figure 4 is a state diagram extending the length of the suction pipe

Figure 7 is a side cross-sectional view showing a fastener coupling state of the present invention

8A, 8B, 8C are various embodiments of the motor and the screw rod connecting portion of the second embodiment of the present invention

■ Explanation of symbols used in main part of drawing ■

1: handle part 2: outpipe

3: nozzle part 4: inner pipe

4a: guide groove 5: suction pipe

6: rack gear 7,21: fixed tube

8,27 fixture 8a, 27a guide protrusion

8b: Inner part of motor 9: Connecting rod

9a, 24: fitting groove 10: pinion gear

11: motor 11a: motor shaft

11b: Pin 11c, 22c: Clutch

12: contact switch 13,25: cover

13a, 25a: protrusion 22: screw rod

22a: coupling plate 22b: coupling hole

23: sliding tube 25b: guide protrusion

26: screw hole 28: groove

A: connection part B: means of transportation

1 is an exploded perspective view showing an embodiment of the present invention, Figures 2 and 3 are shown a cross-sectional view of the coupling state of the present invention, when described in detail below the configuration of the present invention based on the accompanying drawings.

The inner pipe 4 connected to the nozzle part 3 is coupled to the out pipe 2 connected to the handle part 1 of the vacuum cleaner, and the inner pipe 4 is mounted on the out pipe 2 by the moving means B. In the suction tube (5) of the vacuum cleaner in which the slide is moved so that the length can be arbitrarily adjusted,

The movement means (B) is fixed to the rack gear (6) in the inner pipe (4), the outpipe (2) to form a fixed pipe (7) adjacent to the handle portion 1 to the outpipe (2) The inner pipe 4 including the rack gear 6 at the end of the out pipe 2 and the inner side of the outer pipe 2 and the inner side of the inner pipe 4 with a guide protrusion 4a formed on the lower surface of the inner pipe 4. Coupling the fastener (8a) is formed (8a) is integrated by connecting the fixing pipe (7) and the connecting table (9), and formed a plurality of fitting grooves (9a) on both sides of the connecting table (9a) the locking projection (13a) inside ) Is fixed to the cover 13 and wires through the space formed between the connecting table 9 and the cover 13 to be electrically connected to the handle unit 1 can be provided in the handle unit (1). It can be operated by the operation of a switch (not shown).

On the upper side of the fastener 8, a motor inner part 8b is provided to install a forward and reverse motor 11 equipped with a pinion gear 10 that meshes with the rack gear 6 fixed to the inner pipe 4. do.

In addition, contact ends 12 are provided at both ends of the rack gear 6 to be electrically connected to the motor 11 to stop the motor 11.

Figure 4 is an exploded perspective view showing another embodiment of the present invention, Figures 5 and 6 show the cross-sectional configuration of Figure 3 of the present invention, Figure 7 shows a longitudinal cross-sectional view showing a fastener coupling state of the present invention. ,

This forms a fixed tube 21 in which the motor 11 that can be reversed and reversed is formed on the inner pipe 4 of the handle part 1 by the moving means B, and the shaft of the motor 11 is formed of a screw rod 22. It is supported on the sliding pipe 23 to be fitted on the outpipe (2), and forming a fitting groove 24 on the top of the fixed pipe 21 and the sliding pipe 23 to engage the engaging projection (25a) of the cover 25 In addition, the motor 11 and the handle part 1 are electrically connected to each other so as to rotate the motor 11 by an operation of a switch (not shown) that may be provided in the handle part 1.

The inner pipe 4 between the fixing pipe 21 and the sliding pipe 23 is provided with a fastener 27 having a screw hole 26 mounted at the end of the outpipe 2 and movable along the screw rod 22. To combine.

And both sides of the fixture 27 to form a groove 28 to combine the guide projections 25b formed in the cover 25 can be made to move the fixture 27 smoothly. The contact switch 12 is provided on both sides of the fastener 27 at the lower side of the screw hole 26 to electrically connect the motor 11 to stop the motor 11.

At this time, the inner surface of the fixture 27 to form a guide projection (27a) to be coupled to the guide groove (4a) formed on the inner pipe (4).

8A, 8B, and 8C show various embodiments of the screw rod connecting portion A of the second embodiment of the present invention, that is, the coupling means of the motor shaft 11a and the screw rod 22 is connected to the screw rod 22. A coupling plate 22a that can be positioned above and below the motor shaft 11a is provided at an end portion thereof to penetrate the coupling hole 22b so that the motor shaft 11a and the pin 11b can be coupled to each other, or the motor shaft ( 11a) and the clutch 11c, 22c which can be mutually couple | bonded with the edge part of the screw rod 22 is provided.

The present invention, which can be configured as described above, allows the user to freely adjust the length of the suction pipe 5 by a relatively simple and very simple operation, and looks at the operation of the present invention through the following methods. same.

In other words, when the length of the suction pipe 5 is to be lengthened or shortened, the pinion gear 10 may be rotated by rotating the motor 11 forward and backward by operating a switch that may be configured in the handle part 1 or the like as shown in FIG. 2. ) Moves left and right along the rack gear 6 fixedly installed on the inner pipe 4, the fastener 8 is able to adjust the length of the suction pipe 5 by pushing or pulling out the pipe (2). .

At this time, since the contact switch 12 is provided at both ends of the rack gear 6, the pinion gear 10 moving along the rack gear 6 always works without leaving the rack gear 6. It will be able to maintain the specified operating range.

The suction pipe (5) of the present invention by forming the guide groove (4a) and the guide projection (8a) in the inner pipe (4) and the fixture (8) by the above operation so that the fixture (8) can be guided stably during the slide operation The length control operation of can be made more effectively.

The suction pipe 5 of the present invention, which can adjust the length by the above operation, can be finely moved only as long as desired through the switch provided on the handle part 1, and thus it is difficult to adjust the conventional manual length adjustment. Fine length adjustment is possible.

And as shown in Figures 4 to 6 the shaft of the motor (11) operated by the operation of the switch is formed of a screw rod 22 and the fastener (attached to the end of the outpipe 2 along the screw rod 22) 27) can be moved to adjust the length of the suction pipe (5) and the upper end of the screw rod (22) can be covered by the cover 25 by the device part is built-in type, fine appearance as described above, but beautiful appearance This is possible, and this also provides a contact switch 12 on both sides of the fixture 27 so as to limit the operating range, the guide groove (4a) and the guide protrusion in the inner pipe (4) and the fixture 27 Forming a (27a) and the contact portion with the cover 25 is located at the top consisting of the groove 28 and the guide protrusion (25b) so that the more stable operation of the fixture 27 can be made, so the length of the suction pipe (5) Adjustment can be made more easily It will be.

On the other hand, the motor shaft 11a and the screw rod 22 are formed separately, and the connecting portion A can be easily assembled using the pins 11b or the clutches 11c and 22c to increase productivity. Improved.

As described in detail above, the present invention operates the moving means B by the operation of a switch that may be provided on the handle part 1 to the desired length from the inner pipe 4 to the desired length. As the length of the suction pipe 5 can be arbitrarily adjusted by stretching, the practicality of being able to simultaneously obtain various advantages such as a simplified and compact structure, satisfying the supplier and the user at the same time with the advantages of manufacturing and convenient usability. It is an excellent design.

Claims (11)

The inner pipe 4 connected to the nozzle part 3 is coupled to the out pipe 2 connected to the handle part 1 of the vacuum cleaner, and the inner pipe 4 is mounted on the out pipe 2 by the moving means B. In the suction tube (5) of the vacuum cleaner in which the slide is moved so that the length can be arbitrarily adjusted, The moving means (B) is a fastener capable of installing a rack gear (6) on the inner pipe (4), and wrapping the inner pipe (4) including the rack gear (6) on the rack gear (6). 8) to position and integrate the fixed tube (7) and the connecting rod (9) fixed on the outpipe (2) to integrate The suction pipe of the vacuum cleaner, characterized in that the motor (11) equipped with a pinion gear (10) meshing with the rack gear (6) installed in the inner pipe (4) is installed above the fixture (8). The method of claim 1, Forming a plurality of fitting grooves (9a) on the upper side of the connecting table (9) is coupled to the engaging projection (13a) of the cover 13 and by wiring the wire through a space formed between the connecting table (9) and the cover (13) The suction pipe of the vacuum cleaner, characterized in that the nozzle unit 3 and the motor 11 are electrically connected. The method of claim 1, The suction pipe of the vacuum cleaner, characterized in that the rack gear (6) is formed on the inner pipe (4) surface The method of claim 1, The suction pipe of the vacuum cleaner, characterized in that the motor 11 is stopped by attaching contact switches 12 at both ends of the rack gear. The method of claim 1, The moving means (B) forms a fixed tube (21) on which the motor (11) is mounted on the inner pipe (4) of the handle portion (1) and forms the shaft of the motor (11) with a screw rod (22) to outpipe ( 2) to be supported by a sliding tube 23 fitted on, The fitting tube 24 is formed on the fixing tube 21 and the upper side of the sliding tube 23 to couple the cover 25, and the motor 11 and the handle part 1 are electrically connected to each other. The inner pipe 4 and the screw rod 22 between the fixing tube 21 and the slide tube 23 are fixed to the end of the outpipe 2, and a fastener 27 having a screw hole 26 formed therein is combined. Suction tube of vacuum cleaner. The method according to claim 1 or 5, The fasteners 8 and 27 form guide protrusions 8a and 27a on the inner surface thereof, so that the fasteners 8 and 27 can be smoothly coupled to the guide grooves 4a at the bottom of the inner pipe 4. Suction tube of a vacuum cleaner. The method of claim 5, The fixture 27 is a suction tube of the vacuum cleaner, characterized in that to form a groove (28) on both sides to be coupled to the guide protrusion (25b) formed in the cover 25 so that the movement can be made smoothly. The method of claim 5, The suction shaft of the vacuum cleaner, characterized in that the motor shaft (11a) and the screw rod (22) is formed in a separable type, and the connection portion (A) is such that the motor shaft (11a) and the screw rod (22) are coupled to each other. The method of claim 5, The vacuum shaft of the vacuum cleaner, characterized in that the motor shaft (11a) and the screw rod (22) is formed separately and the connecting portion (A) is provided with clutches (11c, 22c) at the ends of the motor shaft (11a) and the screw rod (22). suction. The method of claim 5, The suction tube of the vacuum cleaner, characterized in that the motor 11 is stopped by installing a contact switch 12 inside the fixed tube 21 and the sliding tube 23. The method of claim 5, The suction pipe of the vacuum cleaner, characterized in that the motor (11) can be stopped by installing contact switches (12) on both sides of the fixture (27).