JP2934370B2 - Vacuum cleaner suction body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a main body having a drive device accommodated therein and having an opening facing a cleaning surface, and rotatably supported in the main body along the opening so as to be inverted in the axial direction. Possible and removable, with a rotating brush having a driven shaft coupling at one end, a belt provided in the main body, transmitting the rotational force of the driving device to the driven shaft coupling, and a main driving shaft coupling, The present invention relates to a suction port of a vacuum cleaner provided with a lid for attaching and detaching the rotating brush on a lower surface of the suction port.

[0002]

2. Description of the Related Art As shown in FIGS. 12 to 18, a conventional suction port body 1 includes an upper case 2, a lower case 3,
An external appearance is constituted by the lid 4, and a drive pipe 5 rotatable up and down is provided at a rear end portion. Further, a rotatable suction pipe 6 is continuously connected to a tip of the drive pipe 5. The lower case 3 functions as a carpet sled. The lower case 3 has a horizontally long dust-absorbing opening 7 formed at the front lower surface thereof, and a rubber-based sealing material 8 is disposed laterally behind the opening 7. I have. The lower case 3 has front wheels 9a and 9b at the front lower surface and rear wheels 1 at the rear.
0, a fixed gap is created between the lower surface of the lower case 3 and the floor surface by the wheels 9a and 9b and the rear wheel 10.

[0003] Inside the suction port body 1, the upper case 2 and the lower case 3 are connected to form a rotary brush chamber 11 and a communication path 12 for communicating the brush chamber 11 with the drive pipe 5, thereby forming a dust suction opening. A dust suction passage from the part 7 to the suction pipe 6 is formed. Mechanism chambers 13 and 14 are formed on both sides inside the suction port main body 1, and a motor room 15 and an outlet (or a control circuit board) are formed inside the suction chambers on both sides of the communication path 12.
A storage chamber 16 is formed, and each of the chambers 13 to 16 is partitioned from the dust suction passage.

Reference numeral 17 denotes a bumper, which is sandwiched between the upper and lower cases 2 and 3 and is located on the outer periphery of the suction port main body 1. It is an action. The rotating brush 18 has a structure in which an agitator 19 and brush bristles 20 are spirally provided on the outer peripheral surface of the rotating brush brush chamber 11.
The shaft 21 on one side protrudes into the mechanism chamber 14 and is rotatably supported by a bearing assembly 22 in the mechanism chamber 14.

The bearing assembly 22 comprises a bearing 23 and a bearing holder 24 and is held up and down within the mechanism chamber 14. That is, the lower case 3 constituting the mechanism chamber 14
A pair of ribs 25, 25 facing each other on the side are integrally formed, and the bearing assembly 22 is positioned in the groove 26 of the ribs 25, 25, and the bearing assembly 22 moves up and down along the groove 26. You can do it.

On the opposite side of the rotary brush 18, a driven shaft joint 28 that fits in and out of the transmitted portion 27 is fixed.
The driven shaft coupling 24 is fitted to the leading shaft coupling 29 at the front thereof. The transmitted portion 27 is attached to the shaft 21a by the driven shaft coupling 28.
Leading shaft coupling 29 and bearing 30, gear 31,
The bearings 23 are sequentially supported by press-fitting. And the joint 29
The outer periphery of the bearing 30 is held by a bearing guide 30a and held in ribs 32, 32 formed integrally with the lower case 3 of the mechanism chamber 13, and the bearing assembly 22 at the other end is also held in the lower case. 3, a rib 25 formed integrally with
25 are held in grooves 26 between them. The bearing guide 30a has a lower surface 30b protruding toward the driven shaft coupling 28. The bearing assembly 22 held at both ends of the lower case 3 is urged inward by a plate spring 33 interposed between the bearing assembly 22 and the side wall of the lower case 3.

[0007] A spring 34 is provided between the upper case 2 and the bearing assembly 22, and the bearing assembly 22 is constantly urged downward. In addition, the rotating brush 18 and the driven portion 27 are coupled with the driven shaft coupling 28 and the leading shaft coupling 29 in a fitted state, and a partition wall between the rotating brush chamber 35 and the mechanism chambers 13 and 14 has: An opening 36 is provided so that the end of the rotating brush 18 can be inserted and the rotating brush 18 can move up and down.

The electric motor 37 is a DC magnet motor, is installed in the electric motor room 15, and its rotating shaft 38 protrudes into the mechanism room 13, and is press-fitted and fixed to the gear 31 of the transmitted portion 27 in the mechanism room 13. The gear 39 is connected to the rotating brush 18 by the belt 40 so that the rotational force of the
Is transmitted to

A bearing assembly 41 is also provided at the end of the rotating shaft 38 of the electric motor 37, and is held in a rib 42 which is formed integrally with the lower case 3. The electric motor 37
Is a power supply cord (not shown) to the vacuum cleaner body (not shown)
Are electrically connected via

Next, the cover 4 will be described. This lid 4
Is mounted rotatably in a bearing groove of the lower case through a hole 43 provided at a rear portion of both ends thereof, and a front wheel 9b is press-fitted and fixed to a front surface thereof by a wheel shaft 9C. The lid 4 has a hole 45 at one end of the side surface to be fitted and held in a clamp, which will be described later.
The hook is hooked to the lower case 3 so as to be detachable. Further, a spring 46 is provided in the lower case 3, and serves to protrude the lid 4 from the lower case 3 when the clamp comes off the lid. The clamp 47 has its shaft 49 rotatably held by bearing ribs 48 of the lower case 3.
The claws of the clamp are constantly urged by a spring 50 provided on the upper surface thereof in a direction in which the claws are caught in the holes 45 of the lid 4. The clamp 47 requires a push button portion 51 at an upper portion thereof, and the button portion is viewed from a side surface of the upper case 3.

[0011]

In the suction port body having the above-mentioned structure, the rotary brush is attached and detached after a switch for stopping a drive device of the suction port provided on the hose of the vacuum cleaner is turned off, and then the suction port is removed. It was necessary to remove the rotary brush from the rotary brush chamber by pressing the clamp provided on the main body, opening the lid, lifting the side of the rotary brush opposite to the driven shaft coupling, and detaching the driven shaft coupling from the main driving shaft coupling. Also, if the drive unit of the suction port provided on the hose of the vacuum cleaner is turned on in a state where the lid body is not securely engaged, the rotating brush jumps out of the rotating brush chamber due to the rotating force of the driving unit, which is very dangerous. It was something.

In the suction port body having the above-mentioned structure, if the clamp for locking the lid provided on the suction port body comes off during cleaning of the floor surface due to an impact force on the wall when cleaning the wall. However, there is a drawback that the lid is opened by a gap provided between the lid and the floor surface by the wheel of the suction port, and the end of the lid body is caught on the floor surface, and the rotating brush is detached from the suction port. .

[0013] In the suction opening body having the above-described structure, after cleaning the rotary brush, the rotary brush is mounted in the main body by first matching the direction of the teeth of the driven shaft joint of the rotary brush with the direction of the teeth of the main drive shaft joint. Although the driven shaft coupling and the driven shaft coupling are once disengaged, the next time the fitting is performed, it is necessary to perform positioning vertically and horizontally to align the teeth, which is very troublesome.

[0014]

[MEANS FOR SOLVING THE PROBLEMS]
As a means of storing the drive unit,
Body having opposing openings and bodyRotating brush chamber
Is rotatably supported along the opening, and
To be reversible and detachable, and to one end
A rotating brush having a driven shaft coupling; and a rotating brush provided in the main body.
To transmit the torque of the drive to the driven shaft couplingTransmission mechanism
And a bearing for rotatably supporting the other end of the rotating brush.
A mechanism chamber for accommodating assembled parts, and the other axial end of the opening
At the cleaning surface side of the mechanism chamber by disengaging the engagement mechanism.
Open the cover so that it can be opened and closed.
Lid for attaching and detaching, and opening and closing the lid
RecordControl means for turning ON / OFF the driving deviceWith
You. In addition,Move the cleaning surface to the lidMoving wheels
Provided. Further, a main unit for transmitting the rotational force of the driving device is provided.
Dynamic shaft couplingWhenRotary brush with driven shaft couplingThe drive shaft between
Connection for guiding the connection between the coupling and the driven shaft coupling.guide
Is provided.

[0015]

The rotary brush can be removed without turning off the drive unit of the suction port provided on the hose of the cleaner, and the cover is provided on the hose of the cleaner without being securely engaged. Even if the drive unit of the suction port is turned on, the rotary brush does not jump out of the rotary brush chamber due to the rotational force because the drive unit is stopped.

Further, even if the clamp for locking the lid provided on the suction port main body comes off momentarily due to the impact force on the wall when cleaning the side wall while the floor is being cleaned, the lid may be removed. or lid open because it is pressed against the floor surface by the wheels of the suction opening, the brush is not the child or detached from the suction port.

Further, the drive shaft is provided between a drive shaft coupling for transmitting a rotational force of the driving device and a driven shaft coupling of a rotary brush.
By providing a connection guide that guides the connection between the joint and the driven shaft coupling, when the direction of the teeth of the driven shaft coupling of the rotating brush and the direction of the teeth of the main driving shaft coupling are aligned, vertical and horizontal positioning is performed. It can be easily fitted without any need.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 11 show an embodiment of the present invention, in which the same parts as those of the conventional suction port are denoted by the same reference numerals.
The suction port body 1 has an outer case composed of an upper case 2, a lower case 3, and a lid 4, and has a vertically movable rotatable driving pipe 5 at a rear end thereof. Pipes 6 are connected in series. The lower case 3 functions as a carpet sled. The lower case 3 has a horizontally long dust-absorbing opening 7 formed at the front lower surface thereof, and a rubber-based sealing material 8 is disposed laterally behind the opening 7. I have.

The lower case 3 has a front wheel 9a
The rear wheel 10 is provided at the rear, and a predetermined gap is formed between the lower surface of the lower case 3 and the floor surface by the wheels 9a and the front wheels 9b and the rear wheels 10 provided on the lid 4 described later. It has become.

A rotary brush chamber 11 and a communication path 12 for connecting the brush chamber 11 to the drive pipe 5 are formed in the interior of the suction port body 1 by coupling the upper case 2 and the lower case 3 to form a dust suction opening. A dust suction passage from the part 7 to the suction pipe 6 is formed. Mechanism chambers 13 and 14 are formed on both sides inside the suction port main body 1, and a motor room 15 and an outlet (or a control circuit board) are formed inside the suction chambers on both sides of the communication path 12.
A storage chamber 16 is formed, and each of the chambers 13 to 16 is partitioned from the dust suction passage.

Reference numeral 17 denotes a bumper which is sandwiched between the upper and lower cases 2 and 3 and is located on the outer periphery of the suction port main body 1. The sealing function of the joint surface of the upper and lower cases 2 and 3 and the cushioning against obstacles. It is an action. The rotary brush 18 is an agitator 19 and the brush bristles 20 on the outer circumferential surface of the structure being provided in Article 1 or more strip helically, in the times Utatebu brush chamber 11, the shaft 21 of one side to the mechanism compartment 14 It protrudes and is rotatably supported by a bearing assembly 22 in the mechanism chamber 14.

The bearing assembly 22 comprises a bearing 23 and a bearing holder 24 and is held up and down within the mechanism chamber 14. That is, the lower case 3 constituting the mechanism chamber 14
A pair of ribs 25, 25 facing each other on the side are integrally formed, and the bearing assembly 22 is positioned in the groove 26 of the ribs 25, 25, and the bearing assembly 22 moves up and down along the groove 26. You can do it.

On the opposite side of the rotary brush 18, a driven shaft joint 28 that fits in and out of the transmitted portion 27 is fixed.
The driven shaft coupling 24 has a tooth 29a of the leading shaft coupling 29 at the front thereof.
And the teeth 28a to be fitted. The driven portion 27 is a leading shaft coupling 2 that fits into and disengages from the driven shaft coupling 28 on the shaft 21a.
The press-fit shaft 9 supports the bearing 9, the gear 30, the gear 31, and the bearing 23 in this order.

The outer periphery of the bearing 30 on the joint 29 side is held by a bearing guide 30a, and ribs 32, 32 integrally formed on the lower case 3 of the mechanism chamber 13.
And the bearing assembly 22 at the other end is also in the lower case 3
Are held in a groove 26 between the ribs 25 formed integrally with the ribs. The bearing guide 30a has a lower surface 3
0b protrudes toward the driven shaft coupling 28. The bearing assembly 22 held at both ends of the lower case 3 is urged inward by a plate spring 33 interposed between the bearing assembly 22 and the side wall of the lower case 3.

A spring 34 is provided between the upper case 2 and the bearing assembly 22, and the bearing assembly 22 is constantly urged downward. Incidentally, the rotary brush 18 and the transmitter 27 be attached at de state engaged with the driven shaft coupling 28 and the main kinematic joint 29, the partition wall between the rotating brush chamber 35 and the mechanism compartment 13 and 14 An opening 36 is provided to allow the end of the rotating brush 18 to pass therethrough and to allow the rotating brush 18 to move up and down.

The electric motor 37 is a DC magnet motor, is installed in the electric motor room 15, and its rotating shaft 38 protrudes into the mechanism room 13, and is press-fitted and fixed to the gear 31 of the transmitted portion 27 in the mechanism room 13. The gear 39 is connected to the rotating brush 18 by the belt 40 so that the rotational force of the
Is transmitted to

A bearing assembly 41 is also provided at the tip of the rotating shaft 38 of the electric motor 37, and is held in a rib 42 formed integrally with the lower case 3. The electric motor 37 is electrically connected to a main body of a vacuum cleaner (not shown) via a power supply cord (not shown).

Next, the cover 4 will be described. This lid 4
Is mounted rotatably in a bearing groove of the lower case through a hole 43 provided at a rear portion of both ends thereof, and a front wheel 9b is press-fitted and fixed to a front surface thereof by a wheel shaft 9C. The lid 4 has a hole 45 at one end of the side surface to be fitted and held in a clamp, which will be described later.
The hook is hooked to the lower case 3 so as to be detachable.

The lower case 3 is provided with a spring 46, which serves to protrude the lid 4 from the lower case 3 when the clamp comes off the lid. The clamp 47 has its shaft 49 rotatably held by bearing ribs 48, 48 of the lower case 3, and a direction in which the claws of the clamp are always caught in the hole 45 of the lid 4 by a spring 50 provided on the upper surface thereof. Has been energized. The clamp 4
Reference numeral 7 denotes a push button portion 51 at an upper portion thereof, and the button portion is viewed from a side surface of the upper case 2 . The micro SW 52 is fitted in the rib 53 of the lower case 3,
When the end 4a of the lid 4 and the projection 52a of the micro SW 52 are in contact with each other, electricity is supplied to the motor 37.

When using the suction port constructed as described above, the suction port is connected between a hose and an extension communicating with a vacuum cleaner body (not shown), and the vacuum cleaner body is operated. At that time, first, the electric motor 37 is driven, and this electric motor 3
7 rotates the driving shaft joint 29 via the belt 40 and the gear 31 provided on the non-transmission portion 29 to rotate the rotating brush 18 engaged with the driving shaft joint 29, As the agitator 19, dust on the floor to be cleaned by the brush bristles 20 is written out, the opening 7, connecting fault line 22, waste via the suction port pipe 6 is collected cleaner body (not shown).

When the push button 51 of the clamp 47 on the upper surface of the suction port is pressed after a certain period of use, the claws of the clamp 47 are disengaged from the holes 45 on the side surface of the lid 4 so that the lid 4 is removed. The micro SW 52 is turned off by the spring 46 and is turned off from the lower case 3 to cut off the power supply to the electric motor 37. Thereafter, when the rotating brush 18 is pulled, the engagement between the driven shaft coupling 28 and the driven shaft coupling 29 provided on the transmitted portion 27 is released, and the rotating brush 18 can be easily removed from the lower case 3.

When the rotary brush 18 is attached to the lower case 3, the driven shaft joint 28 provided at one end is connected to the lower case 3.
On the lower surface 30b of the bearing guide 30a, the teeth 28a of the driven shaft coupling 28 and the teeth 29a of the driving shaft coupling 29 can be easily engaged. Is inserted between the ribs 25 formed integrally with the lower case 3 and the cover 4 is closed.

[0033]

As described above, the present invention has the following advantages.

The rotating brush is connected to the suction port of the main body of the suction port body.
That when taking out from the opening, as in the prior art, together without turning off the switch of the drive device of the suction port body provided to the hose of the vacuum cleaner can be removed of the rotary brush, while the lid is not securely engaged be switched on a driving device provided with a suction port body to the hose of the vacuum cleaner, the driving device can be rotated brush by the rotational force because of the stop to prevent the jumping out from the rotating brush chamber. Only
When removing the rotating brush from the suction port body,
By simply opening the lid, the opening that is the suction port of the suction port body
Take out the rotating brush
Can be performed very easily and the rotating brush
Separate opening for removing the larger rotating brush into the suction port
It is not necessary to provide it in the middle and it is possible to simplify the configuration of the suction port body
it can. In addition, the mechanism chamber and the rotating brush chamber are formed separately.
Then, the confidentiality of the lid does not hinder the dust collection efficiency,
Simplified configuration by omitting consideration of the confidentiality of the lid
can do.

Further, the lid of the suction port body is cleaned while the cleaning surface is being cleaned.
However, it comes off momentarily due to the impact force on the wall when cleaning the wall
Also, since the lid is pressed by the wheel, the lid
Opening or the rotating brush comes off the suction port body
Nothing .

Further, the driven shaft coupling and the driven shaft coupling of the rotating brush are provided.
The connection with the hand can be made smoothly and reliably .

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a suction port body of the present invention.

FIG. 2 is an enlarged view of a main part of FIG. 1;

FIG. 3 is a plan view (partial cross section) of the present invention from which an upper case is removed.

FIG. 4 is an enlarged view of a main part in FIG. 3;

FIG. 5 is an enlarged view of a main part in FIG. 3;

6 is a sectional view taken along the line BB in FIG. 5;

FIG. 7 is an external view of the lower case of the present invention viewed from the bottom.

FIG. 8 is a view of a lid according to the present invention.

FIG. 9 is a state diagram showing a state in which the clamp is connected to the lid.

FIG. 10 is a diagram showing a state in which a micro SW is fitted to a lid.

FIG. 11 is an external view of a bearing guide.

FIG. 12 is a plan view (partial cross section) of the conventional invention with the upper case removed.

FIG. 13 is an enlarged view of a main part in FIG. 12;

FIG. 14 is an enlarged view of a main part in FIG. 12;

15 is a sectional view taken along the line BB in FIG. 14;

16 is an external view of the lower case of FIG. 12 as viewed from the bottom.

FIG. 17 is a view of a conventional lid.

FIG. 18 is a state diagram showing a state where the clamp is connected to the lid.

[Description of Signs ] 1 Suction port main body 2 Upper case 4 Lid 4a Projection 3 Lower case 9a Front wheel 18 rotating brush 22 Bearing assembly 26 Bearing 28 Drive shaft coupling 28a Drive shaft coupling teeth 29 Main driving shaft coupling 29a Main driving shaft coupling Teeth 30 bearing 30a bearing guide 30b lower surface of bearing guide 37 motor 43 hole 44 shaft 45 hole 46 spring 47 clamp 48 bearing rib 49 shaft 50 spring 52 micro SW 52a protrusion

Claims (3)

(57) [Claims] A main body having an opening facing a cleaning surface and rotatably supported along the opening in a rotating brush chamber of the main body. A rotating brush that is reversible and detachable and has a driven shaft coupling at one end, and a transmission mechanism that is provided in the main body and transmits the rotational force of the driving device to the driven shaft coupling.
And a bearing for rotatably supporting the other end of the rotating brush.
A mechanism chamber for accommodating assembled parts, and the other axial end of the opening
At the cleaning surface side of the mechanism chamber by disengaging the engagement mechanism.
Open the cover so that it can be opened and closed.
Lid for attaching and detaching, and opening and closing the lid
Suction port body of a vacuum cleaner turning ON the serial drive, that <br/> comprising a control means for turning OFF said. 2. The suction port of a vacuum cleaner according to claim 1, wherein a moving wheel for moving a cleaning surface is provided on the lid . Wherein the main drive shaft coupling between the driven shaft coupling driving shaft joint and the rotating brush for transmitting the rotational force of the drive device
The suction port body for a vacuum cleaner according to claim 1, further comprising a connection guide for guiding connection between the shaft and the driven shaft coupling .