WO2006008983A1

WO2006008983A1 - Rotary cleaning body and vacuum cleaner

Info

Publication number: WO2006008983A1
Application number: PCT/JP2005/012640
Authority: WO
Inventors: Takayuki Ichino
Original assignee: Toshiba Tec Kabushiki Kaisha
Priority date: 2004-07-20
Filing date: 2005-07-08
Publication date: 2006-01-26
Also published as: KR20070028561A; JP2006026222A; KR100824117B1; RU2007106079A; CN1988835B; CN1988835A; RU2346642C2

Abstract

A rotary cleaning body enabling an increase in the number of cleaning bodies without increasing the diameter of a rotating shaft part and a vacuum cleaner having the rotary cleaning body. The rotary cleaning body (60) comprises the rotating shaft part (65) having a plurality of insert grooves (61, 62, 61, 62) formed along the longitudinal direction and the cleaning bodies (70, 70) held in a plurality of insert grooves (61, 62, 61, 62). The cleaning body (70) comprises a plurality of insert holding parts (71, 72) inserted into the plurality of insert grooves (61, 62) for holding, a connection part (75) connecting the plurality of insert holding parts (71, 72) to each other and disposed along the outer peripheral surface of the rotating shaft part (65), and blade parts (76) to (79) formed on the outer peripheral surface of the connection part (75), extending in the longitudinal direction, and projected outward.

Description

Specification

Rotating cleaner and vacuum cleaner

Technical field

TECHNICAL FIELD [0001] The present invention relates to a rotary cleaning body provided in a suction port body and a vacuum cleaner provided with the rotary cleaning body.

Background art

Conventionally, a rotary cleaning body 1 shown in FIGS. 11 and 12 is known (see, for example, Patent Document 1).

[0003] The rotary cleaning body 1 includes a rotary shaft portion 2 provided with a plurality of grooves 3 provided along the longitudinal direction, and a plurality of blades 4 respectively held in the grooves 3.

The blade 4 has a pedestal portion 4A inserted into the groove 3, and a plate-like blade portion 4B that is integrally formed with the pedestal portion 4A and protrudes from the groove 3.

Patent Document 1: Japanese Patent No. 3222364

Disclosure of the invention

Problems to be solved by the invention

[0005] Since such a rotary cleaning body 1 is provided with a plurality of blades 4 on the rotary shaft portion 2, if the diameter of the rotary shaft portion 2 is not increased, a blade attached to the rotary shaft portion 2 (cleaning body) There was a problem that the number of 4 could not be increased.

An object of the present invention is to provide a rotary cleaning body capable of increasing the number of cleaning bodies without increasing the diameter of the rotary shaft portion, and an electric vacuum cleaner provided with the rotary cleaning body. Means to solve a problem

[0007] The present invention is a rotary cleaning body of an electric vacuum cleaner comprising a rotary shaft portion having a plurality of insertion grooves formed along the longitudinal direction and a cleaning body held in the plurality of insertion grooves. The cleaning body is disposed along the outer peripheral surface of the rotating shaft portion and a plurality of insertion holding portions that are inserted and held in the plurality of insertion grooves, respectively, and the plurality of insertion holding portions. And a connecting portion provided on the outer peripheral surface of the connecting portion and along the longitudinal direction. O

And a cleaning member extending outward and projecting outward.

Effect of Invention 〇

[0008] According to the present invention, it is possible to increase the number of cleaning bodies without increasing the diameter of the rotating shaft portion.

Brief Description of Drawings

FIG. 1 is a perspective view showing an appearance of an electric vacuum cleaner according to the present invention.

2 is a perspective view showing a suction port body of the electric vacuum cleaner shown in FIG.

3 is a bottom view showing the bottom surface of the suction port body shown in FIG.

4 is a front view showing a rotary cleaning body provided in the suction port body shown in FIG.

FIG. 5 is a cross-sectional view showing a configuration of a rotary cleaning body.

FIG. 6 is an explanatory view showing another example of the cleaning body.

FIG. 7 is an explanatory view showing another example of the cleaning body.

FIG. 8 is an explanatory view showing a cleaning body of Example 2.

FIG. 9 is a cross-sectional view showing a configuration of a rotary cleaning body of Example 3.

FIG. 10 is a cross-sectional view showing a configuration of a rotary cleaning body of Example 4.

FIG. 11 is a perspective view showing a conventional rotary cleaning body.

FIG. 12 is a cross-sectional view showing a configuration of a conventional rotary cleaning body.

Explanation of symbols

Rotating cleaning body

61 Insertion groove

62 Insertion groove

65 Rotating shaft

70 Cleaning body

71 Insertion holding part

72 Insertion holding part

75 Connecting part

76- -79 Blade (cleaning member) BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, an embodiment of a rotary cleaning body and a vacuum cleaner according to the present invention will be described with reference to the drawings.

Example 1

[0012] The vacuum cleaner 20 shown in Fig. 1 is detachably attached to a vacuum cleaner main body 21, a hose 22 detachably connected to the vacuum cleaner main body 21, and a hand control tube 23 at the other end of the hose 22. A connected extension pipe 24 and a suction port body 30 detachably connected to the distal end portion of the extension pipe 24 are provided. The hand operating tube 23 is provided with an operating portion 23A, and this operating portion 23A is provided with a non-illustrated operating switch.

The vacuum cleaner main body 21 is provided with a dust collection container 25 and an electric blower (not shown) for collecting dust in the dust collection container 25. The dust container 25 can now be removed from the vacuum cleaner body 21!

As shown in FIGS. 2 and 3, the suction port body 30 includes a suction port body 31 having a suction chamber 33 having a suction opening 32 on a bottom wall surface (bottom surface) 31A, and a suction chamber 33 that is rotatable. The rotary cleaning body 60 arranged, the rotary pipe 34 attached to the rear part of the suction port body 31 so as to be rotatable about an axis extending in the front-rear direction, and the connection attached to the rotary pipe 34 so as to be rotatable in the front-rear direction Tube 36 etc. V is a bumper attached to the suction port 30.

[0015] Further, on the right side (in FIG. 3) of the bottom surface 31A, there is provided a roller 39 for detecting whether or not the suction port body 30 has been placed on the surface to be cleaned. It is designed to move up and down. When the suction port body 30 is placed on the surface to be cleaned, the roller 39 moves upward to detect that the suction port body 30 has been placed on the surface to be cleaned.

[0016] In addition, the suction inlet body 31 is attached to a body case 40 having a rotary tube 34, a lid case 41 that is detachably attached to the upper surface of the body case 40, and a recess 42 of the lid case 41. The main body case 40 and the lid case 41 form a suction chamber 33. Then, when the lid case 41 is removed from the main body case 40, the upper surface and the front surface of the suction chamber 33 are opened, and it is possible to easily remove thread scraps entangled with the rotary cleaning body 60 and to remove the rotary cleaning body 60. It has become easy to do. [0017] The front lid 50 is inclined obliquely so as to increase in the forward protruding amount as it goes downward, and protrudes forward, and protrudes forward from the front end face Va of the bumper V. A predetermined gap (not shown) is formed between the lower portion 50a of the front lid 50 and the surface to be cleaned, and dust can be sucked from the gap.

[0018] Further, the front cover 50 is rotated around a shaft (not shown) provided in an upper portion pressed against a wall or the like so as to be drawn into the suction chamber 33 side. When the front lid 50 is pulled in, the gap between the lower portion 50a of the front lid 50 and the surface to be cleaned is narrowed, and the suction force sucked from the gap is increased. Thereby, the dust near a wall can be cleaned efficiently.

The rotary cleaning body 60 is rotationally driven by a motor (not shown). When the roller 39 does not detect that the suction port body 30 is placed on the surface to be cleaned, the motor is driven. The rotation of the rotary cleaning body 60 is stopped.

In addition, as shown in FIGS. 4 and 5, the rotary cleaning body 60 includes a metal rotary shaft portion 65 having a plurality of insertion grooves 61 to 63 formed in a spiral shape along the longitudinal direction; Two cleaning members 70, 70 made of resin are held in the insertion grooves 61, 62, 61, 62, and wiping members 80, 80 are held in the insertion grooves 63, 63. The height of the wiping members 80 and 80 is set higher than the height of the cleaning bodies 70 and 70.

[0021] The rotary shaft portion 65 is formed with partition wall portions 66 to 68 so as to partition the insertion grooves 61 to 63, and to both ends of the front end portions of the partition wall portions 66 to 68 toward the circumferential side. Protruding protrusions 66a to 68a are formed. The widths of the openings of the insertion grooves 61 to 63 are narrowed by the protrusions 66a to 68a.

[0022] In addition, a protrusion 66b protruding in the counterclockwise direction is formed in the intermediate part of the partition wall part 66, and a protrusion 67b protruding in the clockwise direction is formed in the intermediate part of the partition wall part 67, Protrusions 68b protruding in the circumferential direction are formed on both sides of the intermediate portion of the partition wall 68.

[0023] The cleaning body 70 includes holding portions (insertion holding portions) 71 and 72 inserted into the insertion grooves 61 and 62, rib portions 73 and 74 extending radially from the holding portions 71 and 72, and the ribs The bridge portions (connection portions) 75 that connect the portions 73 and 74 and are arranged along the outer peripheral surface of the rotation shaft portion 65, and both ends of the bridge portion 75 protrude in the radial direction and the rotation shaft portion 65 A blade portion (cleaning member) 76,77 extending spirally along the longitudinal direction, and a blade provided between the blade portions 76,77 And 78 and 79, which are integrally formed.

[0024] The blade portions 76, 77 are provided in the rib portions 73, 74 or in the vicinity of the rib portions 73, 74, and the blade portions 78, 79 are positioned between the rib portions 73, 74. It is in the state provided in. The width of the blade portions 76 and 77 is set larger than the width of the blade portions 78 and 79, and the waist strength of the blade portions 76 and 77 is stronger than the waist strength of the blade portions 78 and 79.

The holding parts 71 and 72 are formed with protruding parts 71a and 72a protruding to both sides, and the holding parts 71 and 72 are inserted into the insertion grooves 61 and 62 of the rotating shaft part 65 as shown in FIG. Has been. The protrusions 71 &, 72 & of the holding parts 71, 72 are locked to the protrusions 66 & ~ 68 & of the partition wall parts 66-68, so that the holding parts 71, 72 are prevented from coming out of the insertion grooves 61, 62. . In other words, the holding portions 71 and 72 are wider than the openings of the insertion grooves 61 and 62.

[0026] Further, the projections 66b and 68b of the partition wall portions 66 and 68 are in contact with the side surface (the side surface in the circumferential direction) of the holding portion 72 so that the holding portion 72 does not rattle in the insertion groove 62. I will speak.

As shown in FIG. 5, the wiping member 80 is composed of a base 81 made of resin inserted into the insertion groove 63 of the rotating shaft 65 and a brush member 82 planted in the base 81. RU

[0028] Protrusions 81a projecting in the circumferential direction are formed at both ends of the base 81, and the projecting parts 81a are engaged with the projecting parts 67a and 68a of the partition walls 67 and 68, and the base 81 is inserted into the insertion groove. You can't get out of 63.

In addition, the projections 67 b and 68 b of the partition wall portions 67 and 68 are in contact with the bottom surface of the base portion 81, so that the base portion 81 does not rattle in the insertion groove 63.

[0030] [Action]

Next, operations of the suction port body 30 and the electric vacuum cleaner 20 provided with the rotary cleaning body 60 configured as described above will be described.

First, as shown in FIG. 1, a hose 22 is connected to the cleaner main body 21, and a suction port body 30 is connected to a handy operation pipe 23 of the hose 22 via an extension pipe 24. When the switch (not shown) of the operation unit 23A is operated, the electric blower is driven. By driving this electric blower, dust is sucked together with air from the suction opening 32 of the suction port 30! /

The sucked dust and air are passed through the extension pipe 24 and the hose 22 to the vacuum cleaner main body 2. It is sucked into the dust container 25 of 1. Dust and air are separated in the dust collection container 25, the separated dust is accumulated in the dust collection container 25, and the air is sucked into the electric blower.

[0033] On the other hand, the rotary cleaning body 60 is driven to rotate by driving the motor of the suction port body 30, and the rotation of the rotary cleaning body 60 causes the blade portions 76 to 79 and 76 to 79 to be cleaned such as carpets. Scatter the dust adhering to the surface. The dust thus blown up is sucked into the dust collecting container 25 of the cleaner body 21 through the extension pipe 24 and the hose 22.

[0034] When the surface to be cleaned is a floor surface or the like, the wiping member 80 of the rotary cleaning body 60 wipes the floor surface. In this case, the blade portions 76 to 79 and 76 to 79 of the rotary cleaning body 60 do not come into contact with the floor surface due to their low height.

[0035] Since the rotary cleaning body 60 is provided with eight blade portions 76 to 79 and 76 to 79, when the rotary cleaning body 60 makes one rotation, more dust should be lifted up. become. In other words, the cleaning surface can be cleaned more.

In addition, each cleaning body 70 has two holding portions 71 and 72 inserted into the insertion grooves 61 and 62 and attached to the rotary shaft portion 65. The holding portion is provided for each blade portion 76 to 79. Therefore, each cleaning member 70 can be firmly attached to the rotary shaft portion 65 without enlarging the rotary shaft portion 65. That is, even if the rotating shaft portion 65 is not enlarged, the protrusions 71a and 72a of the holding portions 71 and 72 can be enlarged by reducing the number of the holding portions 71 and 72. Attaching to the rotary shaft 65 becomes strong.

FIG. 6 shows another example of the cleaning body 170. This cleaning body 170 has blades 176, 177 at the opposite ends that are thicker than the blades 78, 79 so that the waist of blades 176, 177 is stronger than the waist of blades 78, 79. It is a thing.

[0038] This is because when the rotary cleaning body 60 is rotating, the holding portions 71 and 72 are inserted and fixed in the insertion grooves 61 and 62, so that the blade portion 176 is compared with the blade portions 78 and 79. Therefore, the strength of blade parts 176 and 177 is increased.

FIG. 7 shows another example of the cleaning body 270. In the cleaning body 270, the height of the blade portions 178, 179 is higher than the height of the blade portions 76, 77 at both ends. In other words, by making the height of the blade portions 76 and 77 lower than the height of the blade portions 178 and 179, The waist of blade parts 76 and 77 is stronger than the waist of blade parts 178 and 179.

Example 2

FIG. 8 shows the cleaning body 370 of the second embodiment. This cleaning body 370 has a wiping member 180 attached between the blade portion 76 and the blade portion 77. The wiping member 180 includes a base 181 made of resin and a brush 182 planted on the base 181.

The base portion 181 is locked by a pair of inverted L-shaped locking portions 371 and 372 provided in the bridge portion 75. In other words, the base portion 181 of the wiping member 180 is fixed to the bridge portion 75 by the locking portions 371 and 372.

[0042] According to the second embodiment, since the wiping member 180 is attached to the cleaning body 370, the insertion groove 63 of the rotating shaft portion 65 (see Fig. 5) is not required, and the rotating shaft portion 65 is made smaller. be able to.

Example 3

FIG. 9 shows a rotary cleaning body 460 of the third embodiment. The rotational cleaning body 460 includes a rotational shaft portion 465 and a cleaning body 470 attached to the rotational shaft portion 465.

[0044] One insertion groove 466 is formed in the rotation shaft portion 465, and protrusions 466b are formed on both edges of the opening 466A of the insertion groove 466.

[0045] The cleaning body 470 includes a bridge portion 475 wound around the outer periphery of the rotary shaft portion 465, rib portions 473, 474 provided at both ends of the bridge portion 475 and extending to the insertion groove 466, and lower portions of the rib portions 473, 474. (In FIG. 9) and holding portions 471 and 472 formed in the insertion groove 466 and blades 476 and 477 formed at both ends of the bridge portion 475 and extending in the radial direction, and the blades 476 and 477. And a plurality of blades 488 provided in.

[0046] The holding portion 471 is formed with a protruding portion 471a that protrudes to the right (in FIG. 9).

A recess 471 b is formed on the left side surface of 71. Then, the protrusion 471 a of the holding part 471 is locked to the protrusion 466 b of the insertion groove 466.

In addition, the holding portion 472 is formed with a protruding portion 472a that protrudes to the left (in FIG. 9), and a protrusion 472b is formed on the right side surface of the holding portion 472, and this protrusion 472b is a concave portion of the holding portion 471.

It is engaged with 471b. Then, the protruding portion 472a of the holding portion 472 is locked to the protruding portion 466b of the insertion groove 466, and the protrusion 472b of the holding portion 472 is engaged with the concave portion 471b of the holding portion 471 and the protruding portion of the holding portion 471 Since the protruding portion 471a is locked to the protruding portion 466b of the insertion groove 466, the holding portions 471 and 472 cannot be removed from the insertion groove 466! /.

[0049] According to the rotary cleaning body 460 of the third embodiment, since the insertion groove 466 provided in the rotary shaft portion 465 is one, the rotary shaft portion 465 can be reduced, and the cleaning body 470 can be held. Insert the part 471 into the insertion groove 466 of the rotating shaft part 465, wind the bridge part 475 of the cleaning body 470 around the rotating shaft part 465, and insert the holding part 472 of the cleaning body 470 into the insertion groove 466 of the rotating shaft part 465. Thus, the rotary cleaning body 460 can be easily assembled.

Example 4

FIG. 10 shows the rotary cleaning body 560 of the fourth embodiment. In this rotary cleaning body 560, the protruding portions on the outside of the holding portions 571, 572 inserted into the insertion grooves 61, 62 are cut, and the protruding portions 571a, 572a are provided only on the inside, and the partition walls on both sides of the partition wall portion 66 are provided. Protrusions 567a and 568a that protrude to the opposite side of the partition wall 66 are provided at the tip of the parts 567 and 568, and the number of insertion grooves 63 provided in the rotating shaft 565 is increased to increase the number of wiping members 80 attached. It is. Industrial applicability

[0051] The rotary cleaning body and the electric vacuum cleaner of the present invention can be widely applied to the field of cleaning the surface to be cleaned regardless of general household use or business use.

Claims

The scope of the claims

[1] A rotary cleaning body of an electric vacuum cleaner comprising: a rotary shaft portion having a plurality of insertion grooves formed along a longitudinal direction; and a cleaning body held in the plurality of insertion grooves,

The cleaning body connects a plurality of insertion holding parts inserted and held in the plurality of insertion grooves, and a connection arranged along the outer peripheral surface of the rotating shaft part while connecting the plurality of insertion holding parts. And a cleaning member that is provided on the outer peripheral surface of the connecting portion and extends along the longitudinal direction and protrudes outward.

[2] Each insertion groove is formed with a narrow opening.

Each insertion holding portion has a width wider than the width of the opening;

The cleaning body has a plurality of rib portions protruding outward from the respective insertion holding portions through the openings,

The connecting portion connects the plurality of rib portions,

The rotary cleaning body of the electric vacuum cleaner according to claim 1, wherein the cleaning member is provided on an outer peripheral surface of the connecting portion between the plurality of ribs.

[3] The cleaning body is configured by integrally forming the insertion holding portion, the connecting portion, and the cleaning member, and includes a plurality of the cleaning bodies. Rotating cleaning body of the vacuum cleaner described in Tsujiko.

[4] The cleaning member is further provided in the plurality of ribs or in the vicinity of the plurality of ribs, and the stiffness of the plurality of ribs or the cleaning member in the vicinity of the plurality of ribs is set between the plurality of ribs. The rotary cleaning body of the electric vacuum cleaner according to claim 2 or 3, wherein the rotating cleaning body is stronger than the stiffness of the cleaning member.

[5] The cleaning member is further provided at the plurality of ribs or at positions near the plurality of ribs, and the height of the plurality of ribs or the cleaning member at a position near the plurality of ribs is determined between the plurality of ribs. The rotary cleaning body of the electric vacuum cleaner according to claim 2 or 3, wherein the height is lower than the height of the cleaning member.

[6] The wiping member that protrudes outward to wipe the surface to be cleaned is provided on the outer peripheral surface of the rotating shaft portion. Electric sweep Rotating cleaning body of the machine.

7. The rotary cleaning body of the electric vacuum cleaner according to claim 6, wherein the wiping member is held in an insertion groove provided in the rotary shaft portion.

[8] The rotary cleaning body of the electric vacuum cleaner according to claim 6 or 7, wherein a height of the wiping member is higher than a height of the cleaning body.

[9] A vacuum cleaner comprising the rotary cleaning body according to any one of claims 1 to 8.