JP2011050428A - Rotary cleaning body and suction port body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotary cleaning body capable of preventing hair or the like from entering a bearing of the rotary cleaning body and capable of easily removing hair entangled in a shaft without using scissors, etc., and a suction port body capable of easily removing the hair entangled in the shaft. <P>SOLUTION: The rotary cleaning body includes: a rotary cleaning member to be rotationally driven; the bearing for journaling the rotary cleaning member by a coupling shaft; an end cap disposed at an end of the rotary cleaning member; a disk disposed between the end cap and the bearing in such a way as separable from the end cap; and a rotating member fitted onto the coupling shaft from outside, disposed between the disk and the end cap, and having a smaller outer diameter than the diameter of the disk or end cap. A separable hair storage part is formed between the end cap and the bearing, and at least one end of the rotating member is opened with the disk and the end cap separated from each other. The rotary cleaning body is used in the suction port body. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a rotary cleaning body and a suction port body, and more particularly to a rotary cleaning body that can easily remove hair wound around a bearing portion of the rotary cleaning body and a suction port body including the rotary cleaning body.

  Generally, a vacuum cleaner is provided with a dust collecting chamber and an electric blower that applies a suction negative pressure to the dust collecting chamber, and a dust collecting hose is connected to the dust collecting chamber. A suction port body provided with a rotary cleaning body is provided at the tip.

  Then, while rotating the rotary cleaning member provided in the rotary cleaning body, the suction port body is moved in contact with the surface to be cleaned, and dust-containing air is sucked into the dust collection chamber from the suction port body via the dust collection hose, Dust is removed.

  Conventionally, dust, cotton dust, etc., wrapped around the outer periphery of a cleaning member attached to a rotary cleaning member, wraps around the cleaning member and then hits the guide ribs, so that component forces act on the dust, cotton dust, etc. A plurality of guide ribs are moved along the inclination of the guide ribs, moved to the intake port, and then collected in the dust collecting chamber from the intake port.

  However, when the cleaning member is composed of a brush made of hair, if dust such as thread or hair is sucked in, the thread or hair enters between the brush hairs and reaches the root of the brush hair, and the thread or hair becomes a rotating cleaning member. Entangled in.

  Further, conventionally, when a belt-like cleaning member is provided on the outer periphery of the core of the rotary cleaning member, the base part of the cleaning member is made of a belt-like vinyl chloride, and the tip part is made of a belt-like felt, the cleaning member is By comprising the belt-like vinyl chloride and the belt-like felt, hair and lint are prevented from entering the cleaning member, and winding around the rotary cleaning member is prevented.

  However, when a brush is used as the cleaning member of the rotary cleaning member, the lint and the hair scraped from the cleaning surface of the carpet or the like enter between the brush hairs of the rotary cleaning member, and the rotary cleaning member There was a drawback of being wound around.

  Therefore, in order to remove the lint and hair wound around the rotary cleaning member, it is necessary for the user to remove it with a cutter or scissors, which is troublesome.

  For this reason, a rib whose front side is inclined toward the suction port side with respect to the rotation direction of the rotary cleaning member is provided in the suction port body, and this rib is provided on the outer periphery of the rotary cleaning member when the rotary cleaning member rotates. A suction port that comes into contact with the cleaning member has been proposed (see, for example, Patent Document 1).

  However, although the suction inlet body described in Patent Document 1 prevents hair from entering the bearing portion, it has a structure that can easily remove hair entangled with the shaft portion without using scissors or the like. Absent.

JP 2008-382 A

  A rotary cleaning body that prevents hair from entering the bearing portion of the rotary cleaning body and that can easily remove hair entangled with the shaft without using scissors or the like, and a suction port body equipped with the rotary cleaning body The purpose is to provide.

  In order to achieve the above-described object, a rotary cleaning body according to the present invention is provided at a rotary cleaning member that is rotationally driven, a bearing that pivotally supports the rotary cleaning member by a connecting shaft, and an end of the rotary cleaning member. An end cap, a disc body provided between the end cap and the bearing so as to be separable from the end cap, and externally fitted to the connecting shaft, and provided between the disc body and the end cap. And a rotating member having an outer diameter smaller than the diameter of the disc body and the end cap, and a separable hair portion is formed between the end cap and the bearing, and the disc body and the end cap. At least one end portion of the rotating member is opened in a state where is divided.

  According to the present invention, it is possible to provide a rotary cleaning body that can prevent hairs and the like from entering the bearing portion of the rotary cleaning body and can easily remove hair entangled with the shaft portion without using scissors or the like. it can.

  In addition, according to the present invention, the rotary cleaning body is provided that prevents hair from entering the bearing portion of the rotary cleaning body and can easily remove hair entangled with the shaft portion without using scissors or the like. A suction port can be provided.

The conceptual diagram of the vacuum cleaner using the rotary cleaning body and suction inlet which concern on one Embodiment of this invention. The perspective view which decomposes | disassembles and shows the suction inlet which concerns on one Embodiment of this invention. The perspective view which shows the state which removed the rotary cleaning body which concerns on 1st Embodiment of this invention from the suction inlet which concerns on one Embodiment of this invention. The perspective view which decomposes | disassembles and shows the rotary cleaning member used for 1st Embodiment of this invention. The front view of the rotary cleaning body which concerns on 1st Embodiment of this invention. The longitudinal cross-sectional view of the rotary cleaning body which concerns on 1st Embodiment of this invention. The perspective view which decomposes | disassembles and shows the rotary cleaning body which concerns on 1st Embodiment of this invention. The front view which shows the drive side axial part vicinity of the rotary cleaning body which concerns on 1st Embodiment of this invention. The front view which shows the isolation | separation state of the drive side axial part of the rotary cleaning body which concerns on 1st Embodiment of this invention. The perspective view which shows the isolation | separation state of the drive side axial part and bearing of the rotary cleaning body which concerns on 1st Embodiment of this invention. The front view which shows the non-driving side axial part vicinity of the rotary cleaning body which concerns on 1st Embodiment of this invention. The front view which shows the isolation | separation state of the non-drive side axial part of the rotary cleaning body which concerns on 1st Embodiment of this invention. The perspective view which shows the isolation | separation state of the non-drive side axial part and bearing of the rotary cleaning body which concerns on 1st Embodiment of this invention. The perspective view of the non-driving side axial part vicinity which looked at the suction inlet of the rotary cleaning body which concerns on 1st Embodiment of this invention from the back surface. The perspective view of the drive side axial part vicinity which looked at the suction inlet of the rotary cleaning body which concerns on 1st Embodiment of this invention from the back surface. The conceptual diagram which shows states, such as the hair entangled in the axial part of the rotary cleaning body which concerns on 1st Embodiment of this invention. Sectional drawing which shows the non-driving side axial part vicinity of the rotary cleaning body which concerns on 2nd Embodiment of this invention. The front view which shows the isolation | separation state of the non-drive side axial part of the rotary cleaning body which concerns on 2nd Embodiment of this invention. Sectional drawing which shows the non-driving side axial part vicinity of the rotary cleaning body which concerns on 2nd Embodiment of this invention. The front view which shows the isolation | separation state of the non-drive side axial part of the rotary cleaning body which concerns on 2nd Embodiment of this invention. Sectional drawing which shows the non-driving side axial part vicinity of the rotary cleaning body which concerns on 3rd Embodiment of this invention. The front view which shows the isolation | separation state of the non-drive side axial part of the rotary cleaning body which concerns on 3rd Embodiment of this invention.

  An embodiment of a rotary cleaning body and a suction port body using the same according to a first embodiment of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the suction port body 50 of the first embodiment is used in a vacuum cleaner 100.

  The vacuum cleaner 100 includes a vacuum cleaner main body 101, a dust collection hose 102 having one end detachably connected to a hose connection port 101a formed at the front of the vacuum cleaner main body 101, and the dust collection hose 102. A hand operation pipe 103 having a setting button 103a and a handle portion 103b, an extension pipe 104 detachably connected to the hand operation pipe 103, and a tip of the extension pipe 104. And a main suction port body 50 which is a connected floor brush.

  Inside the vacuum cleaner main body 101, there is a first dust removing means that communicates with the dust collecting hose 102 and that employs a method of separating dust contained in the air flowing at high speed by a difference in gravity, both not shown. A dust collecting chamber 105 having a dust collecting unit composed of a second dust removing means comprising a filter, and a dust collecting container (not shown) for temporarily storing the dust collected by both dust removing means, An electric blower 106 that applies suction negative pressure to the dust collection chamber 105 is provided.

  As shown in FIGS. 2 and 3, the suction port body 50 includes a horizontally long case body 51 as a suction port body main body and a connecting pipe 52 provided at the rear portion of the case body 51.

  The rotary cleaning body 1 according to the first embodiment is detachably accommodated in a case body 51. The case body 51 includes a lower case 53 that is open on the upper side and forms a lower portion of the case body 51, and an upper portion of the lower case 53. An upper case 55 that covers the rear side and rotatably holds the rotary tube 54 between the lower case 53 and a front cover 56 as a lid attached to the front portion of the upper case 55 are provided.

  The lower case 53 is provided with a suction port 57. The suction port 57 is composed of a main suction port 57A and a front suction port 57B. The main suction port 57A is located at the front end of the lower case 53 and the main part of the rotary cleaning body 1. Is formed on the bottom surface of the horizontally long rectangular space formed so as to accommodate the rotating cleaning member (rotating brush) 2, and is formed on the front side of the lower case 53, that is, on the front surface of the horizontally long rectangular space.

  Therefore, the rotary cleaning member 2 is accommodated facing the main suction port 57A and the front suction port 57B. Both suction ports 57 </ b> A and 57 </ b> B are communicated with the connection pipe 52 through the communication path 58 and the rotary pipe 54.

  Further, the case body 51 includes a rotary cleaning body gear 18 attached to the rotary cleaning body 1, a motor 60 as driving means for rotationally driving the rotary cleaning member 2 via a drive belt 59, and a safety switch for the rotary cleaning member 2. A safety device 61 and a circuit board 62 are provided.

  As shown in FIGS. 4 to 7, the rotary cleaning body 1 includes a rotary cleaning member 2 that is rotationally driven by a motor 60 (FIG. 3), and a driving-side shaft portion 3 d that transmits power to the rotary cleaning member 2. , A drive-side bearing 4d supported via a non-drive-side shaft portion 3u, a non-drive-side bearing 4u, and a drive-side hair reservoir portion (hair groove) 5d provided on each of the shaft portions 3d and 3u, non- A drive side hair reservoir 5u is provided.

  Here, the shaft portion 3d and the shaft portion 3u constitute a rotating member in the present embodiment, and the hair reservoir 5d and the hair reservoir 5u are provided on the rotating member.

  A drive-side end cap 6d is attached to one side (right side in the figure) of the rotary cleaning member 2.

  The end cap 6d is provided with a shaft hole 7d, and further has a disk shape having a diameter larger than that of the shaft portion 3d on the drive side. A driving-side engaging portion 10d formed in a gear shape on the dividing surface is provided on the other side (outside) so as to be connected to the other side (outside).

  The bristle brush base 9 has a substantially cylindrical shape, and a groove portion 12 that holds the proximal end side of the bristle brush 11 is formed on the outer surface substantially in a spiral shape in the circumferential direction, and the connecting hole 13 passes through the central axis. Provided.

  The bristle brush 11 is held in the groove portion 12 of the bristle brush base 9 on the base end side, so that the bristle brush 11 has a spiral wall shape along the axial direction of the rotary cleaning member 2 with respect to the outer peripheral surface of the rotary cleaning member 2, and The tip side protrudes in the radial direction of the rotary cleaning member 2.

  Similarly to one side of the rotary cleaning member 2, a non-driving side end cap 6 u is attached to the other side (left side in the drawing) of the rotary cleaning member 2.

  The end cap 6u is provided with a shaft hole 7u, and further has a disk shape having a larger diameter than the shaft portion 3u on the non-driving side, and is attached to the bristle brush base 9 on one side (inner side), A gear-like engagement portion 10u that is detachably engaged with the engagement portion 10d is provided on the side (outer) dividing surface.

  Further, as shown in FIGS. 8 to 10, the drive-side end cap 6d is attached to the outer periphery of the disc body 20d via a connecting shaft 17d and a shaft portion 3d on which the connecting shaft 17d is fitted. The rotary cleaning body gear 18 and the rounded substantially square bearing 4d are detachably attached.

  The shaft portion 3d is formed integrally with the disc body 20d, and a metal rotary cleaning body gear 18 is firmly provided integrally on the outer periphery of the disc body 20d.

  The disc body 20d provided with the rotary cleaning body gear 18 and the shaft portion 3d are firmly fitted to the connecting shaft 17d so as to rotate together with the connecting shaft 17d, and the bearing 4d rotatably supports the connecting shaft 17d.

  A shaft-like gear-like engaging portion 21d is provided on one end side of the shaft portion 3d. The engaging portion 21d is engaged with and disengaged from the driving-side engaging portion 10d, and the connecting shaft 17d is connected to the shaft hole 7d. (FIG. 6) The shaft part 3d, the disk body 20d provided with the rotary cleaning body gear 18, and the bearing 4d are detachably attached to the end cap 6d by being inserted into the connecting hole 13.

  The disc body 20d is formed larger than the diameter of the shaft portion 3d, that is, the diameter of the shaft portion 3d is smaller than the diameters of the disc body 20d and the end cap 6d, and the end cap 6d on the shaft portion 3d A hollow ring-shaped separable hair portion (hair groove) 5d is formed between the disc bodies 20d.

  Further, as shown in FIG. 7, the shaft portion 3d is divided into two parts, and at least one end portion 3d1 of the divided shaft portion 3d is smaller than the diameters of the end cap 6d and the disk body 20d.

  Similarly to the drive-side end cap 6d, as shown in FIGS. 11 to 13, the non-drive-side end cap 6u is integrated with the shaft portion 3u via a connecting shaft 17u on which the shaft portion 3u is fitted. The disc body 20u and the bearing 4u provided in the are detachably attached.

  The shaft portion 3u that is detachably connected to one side (inside) of the rotary cleaning member 2 is provided with an engaging portion 21u on the shaft portion side on one end side of the shaft portion 3u, and this engaging portion 21u is not driven. The disc body 20u and the bearing 4u are detachably attached to the end cap 6u by engaging with and disengaging from the engaging portion 10u on the side, and further by inserting the connecting shaft 17u into the connecting hole 13 (FIG. 4).

  The disc body 20u and the shaft portion 3u are firmly fitted to the connecting shaft 17u so as to rotate together with the connecting shaft 17u, and the bearing 4u rotatably supports the connecting shaft 17u.

  The diameter of the shaft portion 3u is smaller than the diameters of the disc body 20u and the end cap 6u, and a hollow ring-shaped non-drive side separable hair is provided between the disc body 20u and the end cap 6u on the shaft portion 3u. A reservoir (hair reservoir groove) 5u is formed.

  The shaft portion 3u is divided into two, and at least one end portion 3u1 of the divided shaft portion 3u is smaller than the diameters of the end cap 6u and the disc body 20u.

  14 and 15 show the structure in the vicinity of the hair reservoir in a state where the rotary cleaning body is removed when the suction port body is viewed from the back surface.

  As shown in FIG. 14, the rotary cleaning body gear 18 on the driving side is housed in a gear housing groove 63d provided in the lower case 53, the bearing 4d is housed and supported in a bearing holding groove 64d, and the rotational cleaning body gear. 18 and the bearing 4d are held at predetermined positions by a cover that is detachably screwed to the lower case 53 by screws (not shown).

  As shown in FIG. 15, the non-driving side disk body 20d is housed in a disk body housing groove 63u provided in the lower case 53, and the bearing 4u is housed and supported in a bearing holding groove 64u. The body 20d and the bearing 4u are held at predetermined positions by a cover that is detachably screwed to the lower case 53 by screws (not shown).

  In the first embodiment, an example in which a motor is used as a driving unit that rotationally drives the rotary cleaning body has been described. However, a negative pressure generated by an electric blower may be used as the driving unit. Further, in the first embodiment, a hair reservoir having a thin shaft portion is provided at both ends of the rotary cleaning body. However, when the rotary cleaning body gear and the drive belt are provided adjacent to the rotary cleaning member, It is sufficient that the hair reservoir is not provided on the driving side and the hair reservoir is provided at one position on the non-driving side.

  Next, the operation of the rotary cleaning body and the suction port according to the first embodiment will be described.

  At the time of cleaning, the worker first connects the dust collection hose 102, the hand operation pipe 103, the extension pipe 104, and the suction port body 50 sequentially to the hose connection port 101 a of the cleaner body 101.

  Further, when the operator pulls out the power cord from the cleaner body 101 and connects it to an outlet (not shown) and then operates the setting button 103a, the electric blower 57 is driven according to the operation mode set by the setting button 103a. The

  Then, the operator holds the handle portion 103b and causes the suction port body 50 to travel on the floor surface.

  Due to the suction negative pressure and the action of the rotary cleaning member 2, the dust accumulated on the surface to be cleaned from the suction port 57 along with the travel of the suction port body 50 continuously with the air, the extension pipe 104, the hand operation pipe 103, and the dust collection The vacuum cleaner body 101 is sucked through the hose 102.

  The dust-containing air sucked into the cleaner body 101 is removed by the first and second dust removing means, and is discharged out of the cleaner body 101.

  On the other hand, the dust removed by the both dust removing means is temporarily stored in the dust collecting container.

  If such cleaning is continued, if the dust collected on the surface to be cleaned contains hair or the like, the rotary cleaning member 2, the drive side shaft portion 3d and the non-drive side shaft portion 3u are entangled, and the hair pool portion 5d and It collects in the hair reservoir 5u. As shown in FIG. 16, hairs and the like are concentrated in a ring shape on the shaft portion 3u.

  This entanglement phenomenon also occurs in the drive-side shaft portion 3d as well as the non-drive-side shaft portion 3u. Therefore, the non-drive-side shaft portion 3u side will be described as an example.

  Therefore, as shown in FIG. 11, the engagement portion 10u on the end cap 6u side and the engagement portion 21u on the disc body 20u side are disengaged to divide the shaft portion 3u, and one end portion 3u1 of the shaft portion 3u. And the one end part of the connection shaft 17u is open | released. Since one end portion 3u1 of the divided shaft portion 3u is formed to be smaller than the diameter of the end cap 6u and the disc body 20u, hair or the like closely entangled in a ring shape with the shaft portion 3u is connected to one end of the shaft portion 3u. It can be easily removed from the part 3u1.

In addition, as shown in FIG. 12, the engaging portions 10u and 21u provided on the shaft portion 3u are concavo-convex coupling formed in a gear shape, and the separation surface is not flat, so that hair or the like enters the division surface. It is easy to remove from the shaft portion 3u.

  Further, as shown in FIG. 11, since the shaft portion 3u is provided with the disc body 20d at the end thereof, the hair does not reach the bearing 4u or the bearing holding groove 64u (FIG. 15), and the bearing 4u or It is possible to prevent tangling of hair or the like to the bearing holding groove 64u.

  Next, the rotary cleaning body of 2nd Embodiment is demonstrated.

  In the second embodiment, the first embodiment is provided with a gear-like engaging portion on the dividing surface of the rotating member (shaft portion), whereas the dividing surface of the rotating member is flat.

  For example, the non-driving side rotating member will be described. As shown in FIGS. 17 and 18, in the rotary cleaning body 1A of the second embodiment, the non-driving side rotating member 3Au is between the end cap 6u and the disk body 20u. The hair reservoir 5u having an outer diameter smaller than the diameters of the end cap 6u and the disk body 20u is provided, and the rotating member 3u is divided into a planar shape at the intermediate portion. When the rotating member is divided into a planar shape, power transmission is not performed, so that the cross-sectional shape of the connecting shaft 7Au is non-circular, for example, a square.

  As a result, hair or the like densely entangled with the rotating member 3u in a ring shape can be easily removed from one end of the rotating member 3Au. In addition, the dividing surface of the rotating member is planar, which facilitates manufacturing.

  In addition, since another structure is not different from the rotary cleaning body shown in FIG. 11, FIG. 12, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  Moreover, the rotary cleaning body of 3rd Embodiment is demonstrated.

  In the third embodiment, the split surface of the second embodiment is provided in the middle of the shaft portion, whereas the end surface of the shaft portion is provided in the end cap.

  For example, the shaft portion on the non-driving side will be described. As shown in FIGS. 19 and 20, the rotary cleaning body 1B of the third embodiment has a planar dividing surface d at the end of the shaft portion 3Bu and the end cap 6Bu. It is provided inside.

  Thereby, the hair etc. which were densely entangled with the shaft portion 3Bu in a ring shape can be easily removed from one end portion of the shaft portion 3Bu. In addition, since the separation surface is provided in the end cap 6Bu, hair or the like does not enter the division surface and is easily removed from the shaft portion 3Bu. Further, the dividing surface is planar, and manufacturing is easy.

  Moreover, the rotary cleaning body of 4th Embodiment is demonstrated.

  In the fourth embodiment, a thrust retaining means is provided in a gear-like engagement portion on the dividing surface of the first embodiment.

  For example, as shown in FIGS. 21 and 22, the rotary cleaning body 1 </ b> C according to the fourth embodiment is provided with an engaging convex portion 10 </ b> Cu <b> 1 on the engaging portion 10 </ b> Cu and a concave engaging portion on the engaging portion 21 </ b> Cu. 21Cu1 is provided, and the engaging convex portion 10Cu1 is engaged with the engaging concave portion 20Cu1.

  The engagement strength is such that even if the end cap 6u is pushed outward by entangled hair or the like, the engagement does not come off, and the operator can remove it when the end cap 6u is pulled with a strong force.

  This prevents the disc body 20u from being pushed outward by the hair tangled around the shaft 3u in a ring shape, and the engagement between the engagement portion 10Cu and the engagement portion 21Cu is prevented from being disengaged.

  According to the suction port body provided with the rotary cleaning body according to each of the embodiments described above, while preventing hair from entering the bearing part of the rotary cleaning body, the hair entangled with the shaft part without using scissors or the like A suction port body that can be easily removed is realized.

  In addition, although each embodiment demonstrated in the example which uses this rotary cleaning body and this suction inlet for a canister type vacuum cleaner, it is applicable also to an upright type vacuum cleaner.

1 Rotating cleaning body 2 Rotating cleaning member (rotating brush)
3d Shaft portion 3d1 that forms a rotating member One end portion 3d2 One end portion 3u Shaft portion 4d that forms a rotating member, 4u Bearing 5d Hair storage (hair storage groove)
5u Hair reservoir 6d End cap 6u End cap 7d, 7u Shaft hole 8 Bristle brush group 9 Bristle brush base 10d Engagement part 10u Engagement part 11 Bristle brush 12 Groove part 13 Connection hole 17d, 17u Connection shaft 18 Rotating cleaning body gear 20d Disc body 20u Disc bodies 21d, 21u Engaging portion 50 Suction port 51 Case body 52 Connection tube 53 Lower case 54 Rotating tube 55 Upper case 56 Front cover 57 Suction port 57A Main suction port 57B Front suction port 58 Communication path 59 Drive belt 60 Motor 61 Safety device 62 Circuit board 63d Gear housing groove 63u Disk body housing grooves 64d, 64u Bearing holding groove 100 Vacuum cleaner 101 Vacuum cleaner body 101a Hose connection port 102 Dust collection hose 103 Hand operation pipe 103a Setting button 103b Handle 104 Extension tube 105 Dust collection chamber 106 Electric blower

Claims (4)

A rotary cleaning member that is driven to rotate;
A bearing for supporting the rotary cleaning member by a connecting shaft;
An end cap provided at an end of the rotary cleaning member;
A disc body provided between the end cap and the bearing so as to be separable from the end cap;
A rotating member that is externally fitted to the connecting shaft and provided between the disk body and the end cap, and has an outer diameter smaller than the diameter of the disk body and the end cap;
A separable hair reservoir is formed between the end cap and the bearing,
At least one end portion of the rotating member is opened in a state where the disc body and the end cap are divided. The rotary cleaning body according to claim 1, wherein the hair reservoir is divided between an end of the hair reservoir inserted into the end cap and the end cap. 2. The rotary cleaning body according to claim 1, wherein the hair pool part is coupled by a concave-convex joint in which one side and the other side of the hair pool part are separable. A suction port body comprising the case body, a suction port formed in the case body, and the rotary cleaning body according to any one of claims 1 to 3 provided in the suction port.

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