JPH0479928A - Suction port body of vacuum cleaner - Google Patents

Abstract

PURPOSE:To securely and integrally rotate a brush base and a cylindrical body with a simple constitution, and also to easily remove dust that has been caught by integrally turning the brush base and the cylindrical body that is turnable and detachable to the brush base via brush bristles by the rotation of a rotation transmitting body. CONSTITUTION:At the time of cleaning, a rotary brush 19 (not shown) consisting of a brush base 27 and a cylindrical cover body 28 is turned by a driving source, then the brush bristles 29 projected from the through holes 34 of the cover body raise dust. At that time, a rotation transmitting body 2 (not shown) provided on either one side is turned by the driving source, and the driving force is transmitted to the other side by the pressure-contact between the brush bristles 29 and the inner peripheries of the through holes 34, so that the brush base 27 and the cover body 28 are integrally turned. When the dust caught by the brush bristles is to be removed, the rotary brush 19 is taken out from the body, and the brush base 27 and the cover body 28 are relatively turned, then the projected brush bristles 29 intrude inside the cover body 28 through the through holes 34, so that the dust caught between the brush bristles 29 can be removed, and also the dust adhered to the bristles 29 is rubbed against the edges of the through holes 34 and is removed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a suction port body for a vacuum cleaner having a rotating brush.

(Prior Art) Conventionally, as described in, for example, Japanese Unexamined Patent Application Publication No. 1-175822, in the suction mouth body of a vacuum cleaner having a rotating brush rotated by a drive source, there has been a problem in which the hair gets entangled with the bristles of the rotating brush. A rotating brush device has been developed that can hygienically and reliably remove garbage such as thread waste.

Therefore, this rotating brush device will be explained based on FIG. 8. The rotating brush device consists of a brush stand on which brush bristles L are implanted on the outer peripheral surface, and a cylindrical body 2 that covers the outer periphery of this brush stand. Gear-shaped pulleys 3, which are rotation transmitting bodies, are installed at both ends of the brush stand. and a receiving plate 4 are fixedly provided, and the cylindrical body 2 is positioned in the longitudinal direction by the gear-shaped pulley 3 and the receiving plate 4 and is prevented from being pulled out. It is rotatable and a small gap is formed between it and the outer peripheral surface of the plan table. And brush bristles
passes through a through hole 5 formed in the cylindrical body 2 and projects outward. In addition, a convex portion is formed on the outer circumference of the brush stand, and a concave portion is formed on the inner circumference of the cylindrical body 2 to which the convex portion releasably engages, forming a click mechanism. Due to the engagement, the brush stand and the cylindrical body 2 rotate integrally.

To remove dust entangled in the brush bristles 1, remove the rotary brush device from the suction port body (not shown), hold the cylindrical body 2 with one hand, and press the gear-shaped pulley 3 provided on the brush stand with the other hand. Rotate. In this way, when the cylindrical body 2 is rotated relative to the brush stand, when the brush bristles are immersed into the cylindrical body 2 from a protruding state, fine dust etc. that are entangled astride the brush bristles 1 are removed. The dust caught in the portion between the through holes 5 of the cylindrical body 2 is removed, and the dust adhering to the individual brush bristles 1 is also removed by rubbing the brush bristles 1 against the ends of the through holes 5.

(Problems to be Solved by the Invention) In the above-mentioned conventional rotating brush device, the cylindrical body cannot be attached to or detached from the brush base, so if dust gets into the small gap between the brush base and the cylindrical body, it is necessary to remove the dust. It was difficult. In addition, in order to remove dust entangled in the brush bristles, it is necessary to have a configuration in which the cylindrical body is rotated relative to the brush holder. If the brush holder and the cylindrical body rotate too much, the brush bristles will sink into the cylindrical body, making it impossible to scrape up dirt from the surface to be cleaned. Therefore, it is necessary to have a configuration in which the brush stand and the cylindrical body do not rotate relative to each other during cleaning. be. Therefore, a click mechanism consisting of a convex portion and a concave portion must be provided on the brush body and the cylindrical body, resulting in a problem that the configuration becomes complicated.

The present invention solves the above-mentioned problems, has a simple structure, allows the brush stand and the cylindrical body to reliably rotate as one body during cleaning, and makes it extremely easy to remove dust entangled in the brush bristles. The object of the present invention is to obtain a suction port body for a vacuum cleaner having a rotary brush that can be rotated.

[Structure of the invention]

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a main body having a suction port formed on the lower surface thereof, and a rotatable body provided in the main body facing the suction port. A rotating brush supported by
In the suction port body of a vacuum cleaner having a drive source that rotationally drives the rotating brush, the rotating brush forms a small gap between a rod-shaped brush stand and an outer circumferential surface of the brush stand, and the brush a cover body detachably and rotatably provided on the base; a rotation transmitting body provided on either one of the brush base and the cover body to transmit rotation from the drive source; The brush bristles are provided at the same time as passing through a through hole formed in the cover body, and the tip portion of the brush bristles protrudes outward from the cover body, and the rotation of the rotation transmitting body causes the brush bristles to pass through the through hole formed in the cover body. The stand and the cover body rotate together.

According to a second aspect of the present invention, in the first aspect, the brush bristles are inclined from a base toward a tip toward a side that presses against an inner edge of the through hole when the rotating brush is driven to rotate.

(Function) In the suction port body of the vacuum cleaner according to claim 1, when cleaning a carpet or the like, the rotating brush consisting of the brush stand and the cylindrical cover body is rotated by the drive source and the suction port body is moved outward from the through hole of the cover body. The protruding brush bristles scrape up dust from surfaces to be cleaned, such as carpets. At this time, the drive source rotates the rotation transmitting body provided on either the brush stand or the cover body, and this rotation is transmitted to the other by pressure contact between the brush bristles and the inner edge of the through hole. rotates as one. To remove dust entangled in the brush bristles after cleaning, etc., the rotating swing is taken out from the main body and the cover body is rotated relative to the brush stand. Then,
As the brush bristles protruding outward from the cover body sink into the cover body through the through-holes, any dirt entangled in the plan house is removed, and the dirt adhering to the brush bristles is rubbed against the end of the through-hole. be removed. and,
By removing the cover body from the brush stand, it is also possible to remove dust accumulated between the brush stand and the cover body and lint wrapped around the outer periphery of the cover body.

In the second aspect, the brush bristles are inclined toward the side where the inner edge of the through hole comes into contact with the inner edge of the through hole when the rotary brush is rotationally driven, and the brush bristles and the through hole engage with each other and the brush stand and the cover body are brought into contact with each other by pressure contact between them. rotates as one unit. Then, to remove entangled dust, etc., the same method as in claim 1 may be used.

(Example) A first example of the present invention will be described based on FIGS. 1 to 5. 11 is the suction port body, upper case 12 and lower case 1
3, and a suction port 14 is formed on the lower surface of the lower case 13. A connecting tube 15 that is movable up and down is provided at the rear of the main body 11, and a rotary tube 16 that is rotatable in the circumferential direction is provided in this connecting tube 15. 17.17 is the main body 11
These wheels are provided at the rear of the lower surface of the vehicle, with the connecting pipe 15 sandwiched therebetween.

A rotating brush chamber 18 that can be opened and closed by a lid (not shown) is formed at the front of the main body 11, and a rotating brush 19 is provided in the rotating brush chamber 18 facing the suction port 14. This rotating brush 19 has bearings 2 provided at both ends thereof.
0.21. These bearings 20.2
1, a rotary brush 19 is rotatably supported by the main body 11 by being supported by bearing support parts 22, 22 formed in the lower case 13.

A rotation transmitting body 23 is formed at one end of the rotating brush 19 (on the right side in FIG. 2). Reference numeral 24 denotes a motor as a driving source, and a gear-shaped pulley 25 is formed at the tip of its output shaft.The rotation transmitting body 23 and the gear-shaped pulley 25 are connected by a belt 26. Rotational force is transmitted to the rotating brush 19.

The rotating brush 19 is composed of a rod-shaped (in this embodiment, cylindrical) brush stand 27 and a cover body 28 that is detachably attached to the brush stand 27 and covers the outer periphery of the brush stand 27. The brush stand 27 has brush bristles 29 along its long direction.
The brush part 30 has a cylindrical brush part 30 in which a rotation transmitting body 23 and a bearing 21 are provided at one end, and a shaft part 31 is provided at the other end.

Further, the cover body 28 has a cover part 32 that is open at one end and covers the brush part 30, a bearing 20 is provided at the other end, and a shaft part 31 is rotatably inserted into the inner surface of one end of the cover body 28. A circular bearing hole 33 is formed. 3
Reference numeral 4 denotes a through hole formed in the cover body 28 corresponding to the brush bristles 29, through which the brush bristles 29 protrude outward when the cover body 28 is attached to the brush stand 27. It is. The brush stand 27 is rotatably supported by the main body 11 by bearings 20 and 21. Note that a structure may be adopted in which the bearings 20 and 21 are provided on the brush stand 27 and the brush stand 27 is pivotally supported on the main body 11.

The operation will be explained based on the above configuration. rotating brush 1
9 is assembled by inserting the support portion 31 side of the brush stand 27 through the opening at one end of the cover body 28. And the shaft part 3
1 into the bearing hole 33, the opening edge of one end of the cover body 28 fits into the recess formed in the flange 40 provided on the brush stand 27, and the cover body 28 is arranged concentrically with the brush stand 27. . Thereafter, the cover body 28 is rotated to align the through holes 34 and the brush bristles 29, thereby causing the brush bristles 29 to protrude outward from the through holes 34. In this state, as shown in FIG. 4, when the brush stand 27 is rotated relative to the cover body 28, the bristles 29 are formed between the outer peripheral surface of the brush stand 27 and the inner peripheral surface of the cover body 28. A small annular gap A is formed in which the brush bristles 29 are accommodated, and about two-thirds of the length of the brush bristles 29 protrudes to the outer periphery of the cover body 28. Bearing 20°21 of the rotating brush 19 assembled in this way
is supported by the bearing support portions 22, 22 of the suction port body 1, and the rotating brush chamber 18 is closed with a lid (not shown). Next, when the power of the motor 24 is turned on, the rotation of the motor 24 is caused by the rotation of the gear-like pulley 25. The rotation is transmitted to the rotation transmitting body 23 via the belt 26, and the brush stand 27 rotates in the direction of the arrow in FIG. The force is transmitted to the cover body 28 by the engagement between the brush bristles 29 that are inclined toward the pressure contact side, that is, the rotation direction side, and the through hole 34, and the brush stand 27 and the cover body 28 rotate integrally. Note that the brush bristles 29 do not necessarily have to be inclined. At this time, brush bristles 2
9 is inclined in the direction of rotation, so that the brush bristles 29 are bent and run over the opening edge of the through hole 34, and the cover body 28
The brush bristle 29 and the through hole 34 are reliably engaged without getting inside, and the rotation of the brush stand 2-7 is transmitted to the cover body 28. Then, from the surface to be cleaned, this rotating brush 19
Scrape up trash such as lint and clean. At this time, the brush stand 27 provided with the rotation transmitting body 23 is
1 is supported by bearings 20 and 21, so there is no wobbling.

To remove dirt entangled or attached to the bristles 29 of the rotating brush 19, move the rotating brush 19 to the suction port main body l.
The cover body 28 is rotated relative to the brush stand 27. Then, as the brush 29 protruding outward from the cover body 28 sinks into the cover body 28 through the through-holes 34, the dust entangled between the brush bristles 29 enters the area between the through-holes 34 of the cover body 28. In addition to being caught and removed, since the opening edge of the through hole 34 rubs the brush bristles 29, the dirt entangled or attached to the brush bristles 29 is removed and remains on the cover body 28. Dust can be easily removed from the cover body 28 by pulling out the brush stand 27 along its length and throwing away the dust, as shown in FIG.

In this way, the rotating brush of this embodiment has the brush bristles 29 tilted in the direction of rotation, so that the force received from the opening edge of the through hole 34 prevents the bristles 29 from bending.
9 can be engaged with the through hole 34, and a special structure for transmitting the rotation of the brush stand 27 to the cover body 28 is not required, which simplifies the configuration. Furthermore, since the brush stand 27 and the cover body 28 are removable, this brush stand 27 and the cover body 28 are removable.
Even if dust gets into the gap between the brush stand 27 and the brush stand 27, the dust can be removed by pulling out the cover body 28 from the brush stand 27. At this time, if the brush stand 27 is rotated in the direction in which the brush bristles 29 are inclined, the brush bristles 29 can be rubbed against the through holes 34 with greater force. Furthermore, when assembling the rotating brush 19, the cover body 28 covers the brush stand 27, and then the cover body 28 is rotated to align the brush bristles 29 with the through holes 34. can freely rotate relative to the brush stand 27, so the rotating brush 19 can be assembled easily.

Next, a second embodiment will be described. Portions similar to those in the first embodiment are given the same reference numerals and explanations are omitted. In FIG. 6, the brush bristles 35 installed on the brush stand 27 are inclined in the opposite direction to that in the previous embodiment, that is, in the counter-rotational direction of the rotating blade 19 from the base to the tip of the bristles 35.

The cover body 28 has one end open and a rotation transmitting body 36 provided at the other end.
It is pivotally supported by the main body 11 by 0.21.

Next, its effect will be explained. After attaching the rotating brush 19 to the suction port body, when the power to the motor 24 is turned on, the motor 2
4 is transmitted to the rotation transmission body 23 via the gear-shaped pulley 25° belt 26, and the cover body 28 rotates in the direction of the arrow in FIG. This is transmitted to the cover body 28 by the engagement between the brush bristles 29 and the through holes 34, and the brush stand 27 and the cover body 28 rotate integrally. At this time, the engagement relationship between the brush bristles 29 and the through holes 34 is the same as in the previous embodiment. This embodiment can obtain the same functions and effects as those of the previous embodiment.

〔Effect of the invention〕

As explained above, the suction port body of the vacuum cleaner according to claim 1 has a simple structure, and the brush stand and the cylindrical cover body can be rotated integrally during cleaning, and the brush stand and the cylindrical cover body can be rotated as a unit, and the suction port body of the vacuum cleaner according to claim 1 can be prevented from getting entangled with the brush bristles. You can remove trash. Further, it is possible to reliably remove dust that has gotten between the cover body and the swing table, and it is also possible to easily remove thread waste and the like wrapped around the outer periphery of the cover body.

In the suction port body of the vacuum cleaner according to the second aspect, the same effect as the first aspect can be obtained, and the brush stand and the cover body can be rotated integrally with each other more reliably.

[Brief explanation of drawings]

1 to 7 are diagrams showing the present invention, and FIG. 1 is an exploded perspective view of a rotating brush in a first embodiment. Fig. 2 is a plan view of the suction port body, Fig. 3 is a perspective view of the rotating brush, Fig. 4 is a sectional view of the rotating brush, and Fig. 5 is a perspective view of the rotating brush when removing the brush stand and cover body. FIG. 6 is an exploded perspective view of a rotating brush in the second embodiment, and FIG. 7 is a sectional view of the rotating brush. 1 Main body 9 Rotating brush 7 Brush stand 4 ゛Through hole 29゜3.36 - Rotation transmission body Small gap Suction port Drive source cover body Brush bristles

Claims (1)

[Scope of Claims] 1. A main body with a suction port formed on the lower surface, a rotary brush provided within the main body and rotatably supported facing the suction port, and a drive source for rotationally driving the rotary brush. In the suction port body for a vacuum cleaner, the rotating brush forms a small gap between a rod-shaped brush stand and an outer peripheral surface of the brush stand, and is detachable and rotatable from the brush stand. a rotation transmitting body provided on either the brush stand or the cover body to which rotation from the drive source is transmitted; and a rotation transmitting body installed on the brush stand and formed on the cover body. The brush base and the cover body are integrated with each other through the brush bristles due to the rotation of the rotation transmitting body. A vacuum cleaner suction port body characterized by rotating. 2. The suction mouth body of a vacuum cleaner according to claim 1, wherein the brush bristles are inclined from the base toward the tip on the side that presses the inner edge of the through hole when the rotating brush is driven to rotate.