JP2000102499A - Vacuum cleaner with rotary brush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner with rotary brushes of simple constitution, which can rotate rotary brushes arranged to face each other at a dust recovering part main body always in the same direction in the middle of travelling the dust recovering part main body without using an electrical driving means. SOLUTION: The dust recovering part main body 12 is provided with a wheel 15 rotating at the time of its moving on a surface to be cleaned without electrically driving source. Then, a rotary brush driving mechanism for rotating the rotary brush 18, which drives the brushes 18 with the rotation of this wheel 15 as a driving source, rotates the brushes 18 always in a fixed direction without regard to the rotating direction of the wheel 15 through the use of plural rotating parts. Then, its rotating direction is for raising the sides of mutually facing surfaces.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner with a rotary brush, and more particularly to a vacuum cleaner with a rotary brush having a rotary brush at a collecting section for collecting dust on a surface to be cleaned.

[0002]

2. Description of the Related Art Conventionally, a vacuum cleaner having a rotary brush provided on a dust collecting unit main body moving on a surface to be cleaned has been known.
For example, Japanese Unexamined Patent Publication No.
The conventional vacuum cleaner shown in FIGS. 7 and 8 is provided with a rotating brush for brushing the surface to be cleaned.
The rotating brush is provided with a motor, a rotating belt for transmitting the rotating driving force of the motor to the rotating brush, and a clutch for adjusting the rotating speed.

[0003]

In the conventional rotary brush mechanism, the rotary brush is automatically rotated by an electric driving means. Electric power for rotating the rotating brush is required, which leads to an increase in power consumption. In addition, the use of the electric driving means inevitably increases the weight, increases the space for installing the driving means, and complicates the mechanism.

Further, as a configuration for rotating the rotary brush in the dust collection unit without using electric power, a configuration in which the rotary brush is integrally attached to a traveling wheel is also conceivable. Since the rotating direction of the rotating brush changes depending on the running direction, even if the dust collecting part is reciprocated, only the effect of the rotating brush in one direction can be obtained, and the dust collecting parts are provided at the front and rear. There is also a problem that it must be performed and a problem that the effect of brushing cannot be sufficiently obtained.

[0005] Therefore, a rotating brush that rotates on a rotating shaft different from the traveling wheel of the dust collection unit is provided, and the rotation in a fixed direction is always performed via a one-way clutch regardless of the traveling direction of the dust collection unit. A configuration provided to the rotating brush is also conceivable. According to such a configuration, the rotating brush can function effectively without increasing power consumption.However, a space for providing a one-way clutch is required, and the size of the dust collecting unit is increased. Since the length of the rotating brush in the axial direction is limited, a wide brushing area cannot be secured. In addition, there is a problem that the cost is increased due to the mounting of the one-way clutch, and in the case of the one-way clutch, there is also a problem that a malfunction is likely to occur due to the entry of dust and the like.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned various circumstances, and an object of the present invention is to use a rotating brush disposed opposite to a dust collecting unit main body without using an electric driving means. It is an object of the present invention to provide a vacuum cleaner with a rotary brush having a simple configuration that can be constantly rotated in a certain direction suitable for dust collection during movement.

[0007]

According to a first aspect of the present invention, in the vacuum cleaner with a rotating brush, the rotating operation of the rotating brush oppositely disposed to form a pair with the dust collecting unit main body is performed by a rotating brush driving mechanism. This rotary brush driving mechanism performs its driving operation without using an electric driving source.

That is, the dust collecting unit main body is provided with traveling wheels that do not have an electric drive source that rotates simultaneously with manual movement on the surface to be cleaned. The rotating brush driving mechanism drives the rotating brush using the rotating operation of the wheel as a driving source, but always rotates the rotating brush in a fixed direction using a plurality of rotating bodies regardless of the rotating direction of the wheel. It is to let. This rotating direction is a rotating operation in a direction in which the facing surfaces of the rotating brushes facing each other move upward.

As described above, the rotating brush uses the rotating operation of the wheel that occurs when the dust collecting unit main body is manually moved without using the electric driving means, and the rotating brush is rotated in a certain direction only by using the rotating operation. .

[0010] A vacuum cleaner with a rotary brush according to claim 2 is
A rotating brush driving mechanism is configured to rotate a first rotating unit directly rotated by the rotating operation of the wheel, a final rotating unit coaxially rotating with each rotating brush, and a rotating operation of the first rotating unit. The rotating unit includes an intermediate rotating unit that constantly transmits the rotating brush so as to rotate in the direction regardless of the rotating direction of the first rotating unit.

As described above, the rotation of the rotary brush using only the rotation of the wheels as a driving source is achieved by the rotating units having different functions in the three stages. When a plurality of rotating brushes are provided, the final rotating unit is provided coaxially for each rotating brush, and thus has a plurality of rotating bodies.

[0012] According to a third aspect of the present invention, there is provided a vacuum cleaner with a rotary brush.
The structure of the first rotating part includes two arm members that are provided coaxially with the wheel and that are provided one at the tip end of each of two arm members that rotate in a predetermined angle range. are doing. The angle between the two arm members is always constant, and is formed integrally, for example.

The two first rotators rotate in the predetermined angle range according to the rotation direction of the wheels. And
Due to the rotation, only one of the two first rotators transmits the rotation to the intermediate rotation unit.
That is, since the two arm members always form a fixed angle, in a situation where the two arm members rotate to transmit a rotating operation to one of the rotating bodies to the intermediate rotating unit, the other first member is rotated. The rotator is located away from the intermediate rotator. If the rotation direction of the wheel changes, the first rotator on the other side will be in a position to transmit the rotation operation, and the first rotator on one side will be in a position not to transmit.

[0014] The intermediate rotating portion is arranged so as to always transmit the same rotating motion to the final rotating portion by transmitting the rotating motion from either the one or the other first rotating body. It has a plurality of second rotating bodies. That is, using the turning operation of the two arm members, the rotation of the wheel in the forward direction and the operation of the rotation in the reverse direction are respectively performed by different transmission operations of the intermediate rotation unit, thereby stabilizing the rotation direction of the final rotation unit. Is what we have achieved.

A vacuum cleaner with a rotary brush according to claim 4 is
A first rotating portion is provided coaxially with the wheel and is provided at one end of the arm member that rotates within a predetermined angle range in accordance with forward and reverse rotation operations of the wheel and a tip portion thereof. And one first rotating body that is directly transmitted. Then, the first rotating body directly transmits a rotating operation to the final rotating section on one side by the rotating operation of the arm member by the forward / reverse rotating operation of the wheel, and at this time, the first rotating body transmits The rotational operation is transmitted from the intermediate rotating part.

As described above, by the turning operation of one arm member, the direct connection from the wheel to the first rotating body and further to the final rotating portion is performed as an operation of rotating one rotating brush. Therefore, since the intermediate rotating portion is used only for rotating the rotating brush on the other side, the configuration of the intermediate rotating portion can be simplified accordingly. For example, the number of rotating bodies provided as intermediate rotating units can be reduced.

[0017] A vacuum cleaner with a rotary brush according to claim 5 is
The first rotating part may have a structure similar to that of the vacuum cleaner according to claim 4.
It has an arm member and one first rotating body which is provided at the tip of the arm member and to which the rotating operation of the wheel is directly transmitted.
The intermediate rotating unit is provided at the distal end of a small arm member rotatably mounted coaxially with the first rotating body, and is constituted by an intermediate rotating body to which a rotating operation is transmitted from the first rotating body. The small arm member having the intermediate rotator performs a rotation operation by the rotation of the arm member and the rotation operation of the first rotator caused by the forward / reverse rotation operation of the wheels. By this rotation operation, the rotation axis position of the intermediate rotating body provided at the distal end of the small arm member moves. This movement takes place between the last rotating part on one side and the last rotating part on the other side.

The rotation operation transmission of the present invention is also performed as one operation for rotating the rotating brush on one side, similarly to the invention of the fourth aspect.
The connection between the wheel, the first rotating body and the final rotating part on one side is made, and the operation for rotating the rotating brush on the other side is transmitted by an intermediate rotating body whose rotation axis position can be changed. You. Therefore, since the rotation of the intermediate rotating body can be transmitted to each final rotating part by changing the position of the rotating shaft, the number of rotating bodies constituting the intermediate rotating part can be further reduced. .

According to a sixth aspect of the present invention, there is provided a vacuum cleaner with a rotary brush.
The first rotating body that constitutes the first rotating part is configured as a planetary gear inside an internal gear formed on a wheel. Thus, the first rotating unit is housed inside the wheel, and the rotary brush driving mechanism can be reduced in size.

[0020] A vacuum cleaner with a rotary brush according to claim 7 is
The dust collecting unit main body is provided with rising air flow forming means for moving the dust on the surface to be cleaned upward using the rising flow of air, and the rotating brush is provided with a rising air flow portion to be formed. Are arranged so as to form a pair with the.

Accordingly, each rotating brush is rotated in a direction in which the side facing the rising air flow portion moves upward. That is, they are rotated in opposite directions by the rotating brush mechanism.

[0022] Thus, in addition to the effects of the inventions according to the above claims, the dust on the surface to be cleaned can be more effectively moved upward, and the dust collecting function of the cleaner can be improved.

[0023]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 7 is a perspective view showing the external configuration of an example of the rotary brush-equipped vacuum cleaner 10 according to the present invention. The vacuum cleaner according to the present embodiment is a so-called vacuum cleaner that generates an ascending air flow by an electric means, but sucks air to move dust on the surface to be cleaned upward, and passes the dust collection bag. It is not a so-called suction-type vacuum cleaner that discharges air sucked out to the outside.

An example of a recirculation type vacuum cleaner in which air is blown against a surface to be cleaned to form an upward air flow, the air flow is circulated in the dust collecting unit main body 12, and dust is collected during the circulation. For

The present invention can be applied not only to such a recirculating vacuum cleaner but also to a case where a rotary brush is mounted on the above-mentioned suction vacuum cleaner. It is also possible to apply the present invention to a vacuum cleaner that collects dust without using the flow of air.

As shown in the figure, the vacuum cleaner 10 has a dust collecting portion main body 12 as its main body, and a handle 1 for manually moving the dust collecting portion main body 12.
3 and only a bar-shaped grip 14 are provided. In addition, wheels 15 are provided on the dust collection unit main body 12 to facilitate traveling on the surface to be cleaned. By the free rotation of the wheel 15 in the forward and reverse directions, the moving operation in various directions can be easily performed. No power means for driving the wheels 15 is provided.

FIG. 8 is a schematic sectional view of the dust collecting section main body 12. In the figure, components such as a driving unit for generating an air flow which are not directly related to the configuration of the present invention are not shown.

In this recirculation type vacuum cleaner, an air blowing section 16 for blowing air to the surface to be cleaned is disposed opposite to the air blowing section. The air wiping unit 16 has a plurality of air outlets arranged to face each other and to blow air at a predetermined inclination angle to the surface to be cleaned.

The blown air is reflected on the surface to be cleaned as shown by an arrow 100 and collides at the central portion thereof to form an upward flow 200. That is, an upward air flow portion is generated in the upward flow 200.

The rotating brushes 18-1 and 18-2 are provided so as to sandwich the rising air flow portion. The rotating shafts of the rotating brushes 18 are rotating shafts 20-1 and 20-2 substantially parallel to the wheel 15.

The speed of the air flow wiped out from the air blowing section 16 is, for example, 7 to 11 m / sec. In addition, the rotating brushes 1 that are opposed to each other so as to form a pair
8-1 and 18-2 are arranged such that the tips of the hairs overlap each other by about 10 mm.

The recirculation type vacuum cleaner 10 according to the present embodiment blows up dust on the surface to be cleaned by injecting air from the air blowing section 16 as described above, and rotates the brushes 18-1 and 18. With -2, dust can be reliably swept up and put on the upward flow. An air circulation path (not shown) is formed in the dust collecting section main body 12 from the upward flow to collect dust flowing on the way. Therefore, unlike a suction-type vacuum cleaner, it does not have a mechanism for discharging the sucked air to the outside, and the dust that has not been completely captured is discharged together with the air while being taken into the vacuum cleaner once. It will not be done.

One of the characteristic features of the present invention is that the rotating brush 18 is not rotated by an electric drive source, but is rotated with the operation of the dust collecting unit main body 12 which is manually moved. That is the point. That is, the rotating operation of the wheel 15 is used, and the rotating brush 18 is rotated only by this operation. Therefore, the rotating brush according to the present invention does not rotate when the dust collecting unit main body does not perform the moving operation.

FIG. 1 shows a first embodiment of a rotating brush driving mechanism in which the rotating brush 18 is rotated by using the rotating operation of the wheel 15. The inner ring portion of the wheel 15 is formed as an internal gear 15a.
Then, as a first rotating unit that directly receives the rotating operation of the wheel 15, a first rotation as two first rotating bodies rotatably attached to the two arm members 22, 24 and their distal ends. Gears 26 and 28 are provided.

In the present embodiment, the two arm members 22 and 24 are formed substantially linearly and integrally, and the center of rotation is a shaft 30 coaxial with the wheel 15. The rotation of these two arm members 22 and 24 is regulated by the rotation regulating pins 32 and 34, and the two arm members 22 and 24 reciprocate in both directions until they collide with the arm. Further, the first rotating gears 26 and 28 respectively correspond to the internal gear 15 of the wheel 15.
a.

In the drawing, the rotating brushes which are arranged in a pair so as to face each other are indicated by dash-dot lines as 18-1 and 18-2.
Brush coaxial gears 36-1 and 36 rotating coaxially with the gear 8
-2 is provided.

Also, four intermediate rotating gears are provided as intermediate rotating portions for transmitting the rotating operation from the first rotating gears 26 and 28 to the brush coaxial gear 36. That is, the intermediate rotating gear 38 meshing with the first rotating gear 28,
An intermediate rotating gear 40 meshing with the brush coaxial gear 36-2;
The intermediate rotary gear 42 meshes with the intermediate rotary gear 40 and the brush coaxial gear 36-1 and the intermediate rotary gear 44 meshes with the brush coaxial gear 36-1.

Next, based on FIGS. 2A and 2B,
The operation of the rotating brush driving mechanism having the above configuration will be described. FIG. 4A shows the operation when the wheel 15 rotates in the direction of arrow 300 in the figure, and FIG.
The rotation direction in the direction of the arrow 300 is referred to as a “forward direction”, and the rotation direction in the direction of the arrow 400 is referred to as a “reverse direction”.

When the wheel 15 rotates in the forward direction, the first rotating gear 26 rotates in the forward direction and the arm members 22 and 24 rotate.
Rotates in the forward direction until it collides with the regulating pin 32. Thus, the rotation of the first rotary gear 26 is controlled by the intermediate rotary gear 4.
4 and the brush coaxial gear 36-1 rotates in the forward direction. Then, the other brush coaxial gear 36-2 rotates in the opposite direction due to the rotation operation transmitted from the two intermediate rotation gears 42 and 44. Therefore, the rotating brushes 18-1 and 18-2
Will rotate in the direction in which the side facing the rising airflow portion moves upward in the opposite direction. In this state, the first rotating gear 28 continues to rotate without transmitting the rotating operation to the other gears.

When the wheel 15 rotates in the opposite direction (see FIG. 3B), the first rotary gear 28 also rotates in the opposite direction. Then, the arm members 22 and 24 rotate in the opposite directions until they collide with the regulating pin 34. In this state, the first rotating gear 26 continues to rotate without transmitting the rotating operation to the other gears.

The rotation of the first rotary gear 28 causes the brush coaxial gear 36-2 to rotate in the opposite direction via the intermediate rotary gear 38. The rotation of the brush coaxial gear 36-2 is transmitted to the brush coaxial gear 36-2 via the intermediate rotary gears 40 and 42, and the brush coaxial gear 36-1 rotates in the forward direction.

As described above, by rotating the wheel 15 in the forward and reverse directions, the two rotating brushes 18-1 and 18-2 are always moved in a fixed direction, that is, the flow of the rising air flow portion without using other power. It is possible to rotate in the direction along.

The rotation speed of the rotating brushes 18-1 and 18-2 depends on the gear ratio between the first rotating gears 26 and 28 and the internal gear 15a and the intermediate rotating gears 38, 40, 42 and 4
The speed at the time of the rotation operation of the outer diameter portion of the rotary brush 18 is set to be higher than the traveling speed of the dust collection unit main body 12, although it is determined by the gear ratio between the brush 4 and the brush coaxial gear 36. In this embodiment, the speed is about 2.2 times faster. Thus, regardless of the moving speed of the dust collecting unit main body 12, the function of sweeping up the dust by the rotating brush 18 is well ensured.

FIG. 3 shows a second example of the rotary brush driving mechanism.
Is shown. In the figure, the same elements as those in the embodiment of FIG. 1 are denoted by the same reference numerals.

As shown in the figure, the first rotating portion is composed of one arm member 50 and a first rotating gear 52 attached to the tip of the arm member 50.
5 and freely rotates between the rotation restricting pins 53 and 54. Between the brush coaxial gears 36-1 and 36-2, there are provided intermediate rotating gears 56 and 58 meshed and connected with these.

FIGS. 4A and 4B show the operation of the embodiment having the above configuration. First, when the wheel 15 rotates in the forward direction, the first rotating gear 52 meshing with the internal gear 15a rotates in the forward direction, and accordingly, the arm member 50 also collides with the rotation regulating pin 54. Rotate in the forward direction until. When this state is reached, the first rotating gear 52
Meshes with the brush coaxial gear 36-2 to transmit the rotation operation thereof. Therefore, the brush coaxial gear 36-2 rotates in the reverse direction.

The rotation of the brush coaxial gear 36-2 is controlled by two intermediate rotating parts 58,
It is transmitted to the opposing brush coaxial gear 36-1 via 56, and this brush coaxial gear 36-1 rotates in the forward direction.

Also, as shown in FIG.
Rotates in the reverse direction, the first rotary gear 52 meshing with the internal gear 15a rotates in the reverse direction, and accordingly, the arm member 50 rotates in the reverse direction until the arm member 50 collides with the regulating pin 53. I do. In this state, the first rotating gear 52
Meshes with the brush coaxial gear 36-1, and the brush coaxial gear 3
6-1 performs forward rotation.

The rotation of the brush coaxial gear 36-1 is transmitted to the brush coaxial gear 36-2 via the intermediate rotation gears 56 and 58 as a reverse operation. Thus, as in the first embodiment, the rotating brush 18-always rotates by rotating the wheel 15 in either the forward or reverse direction.
1 and 18-2 perform a rotating operation in a direction in which the facing surface side moves upward. According to the present embodiment,
Compared to the first embodiment, one gear of the first rotating part,
It is possible to reduce the number of gears in the intermediate rotating section by two.

FIG. 5 shows a third example of the rotary brush driving mechanism.
1 shows the configuration of the embodiment. In the drawings, the same reference numerals are given to the same components as those shown in FIGS. 1 and 3.

In the figure, the configuration as the first rotary unit is an arm member 50 and a first rotary gear 52, which are the same as the configuration of the first rotary unit of the second embodiment shown in FIG. is there. What is characteristic is that the structure of the intermediate rotating portion is constituted by the small arm member 60 and the intermediate rotating gear 62 attached to the distal end thereof.

The small arm member 60 is rotatably provided coaxially with the rotation axis of the first rotary gear 52, and the intermediate rotary gear 62 attached to the tip of the small arm member 60 is connected to the first rotary gear 52.
It is possible to reciprocate between the brush coaxial gears 36-1 and 36-2 with the rotation of the small arm member 60 while always meshing with the gears. That is, it is configured to be able to mesh with both.

As shown in FIG. 6A, when the wheel 15 rotates in the forward direction, the first rotating gear 52 meshed with the internal gear 15a rotates in the forward direction, and the arm member 50 rotates accordingly. It rotates until it collides with the movement regulating pin 54.

Then, in this state, the first rotary gear 52
The rotation operation is directly transmitted to the brush coaxial gear 36-2. At this time, the intermediate rotation unit causes the small arm member 60 to rotate in the forward direction with the forward rotation operation of the arm member 50 and the forward rotation operation of the first rotation gear 52, and the intermediate rotation gear 62 It meshes with the brush coaxial gear 36-1. Therefore, the forward rotation operation of the first rotary gear 52 is transmitted to the brush coaxial gear 36-1 as a forward operation. As a result, the brush coaxial gears 36-1 and 36-2 each perform a desired rotation direction operation.

On the other hand, as shown in FIG.
5 performs the reverse operation, the internal gear 15
The first rotary gear 52 meshed with a rotates in the opposite direction,
Accordingly, the arm member 50 performs the reverse rotation operation until it collides with the rotation restriction pin 53.

In this state, the first rotating gear 52 directly transmits a rotating operation to the brush coaxial gear 36-1 and the brush coaxial gear 3.
6-1 performs a forward rotation operation. Due to the reverse rotation operation of the arm member 50 and the reverse rotation operation of the first rotary gear 52, the small arm member 60, which is the intermediate rotating portion, performs the reverse rotation operation, whereby the intermediate rotary gear 62 faces the intermediate rotary gear 62. And meshes with the brush coaxial gear 36-2 on the other side and rotates it in the opposite direction.

As described above, according to the present embodiment, the rotating brush can always be rotated in a desired rotating direction. Then, the intermediate rotating gear 62 changes its rotating shaft position and meshes with both brush coaxial gears 36-1 and 36-2, so that the intermediate rotating gear 62 has a further intermediate rotation as compared with the second embodiment shown in FIG. The number of gears in the section can be reduced by one.

FIG. 9 is an explanatory view showing how the rotary brush driving mechanism is arranged and installed inside the wheel 15 of the dust collecting section main body 12, and is similar to the first embodiment shown in FIG. An example of the form is shown.

As shown in FIG.
It is understood that there is provided a rotating brush drive mechanism comprising a rotating section, an intermediate rotating section and a final rotating section.

As shown in FIG. 10, brush coaxial gears 36-1 and 36-2, which are final rotating parts, have
The rotating brushes 18-1 and 18-2 are respectively directly connected.

The arm members 22 and 24 having the first rotary gears 26 and 28 attached to the tips are mounted on the wheel 15 side coaxially with the wheel 15. On the other hand, an intermediate rotating portion including the four intermediate rotating gears 38, 40, 42, and 44 and a final rotating portion including the two brush coaxial gears 36-1 and 36-2 are provided on the main body side of the dust collecting portion main body 12. Installed.

According to each of the above-described embodiments, the rotating brush provided near the rising air flow portion can be rotated only by the rotating operation of the wheel 15 for running the dust collecting section main body. In other words, the operation of the rotating brush which has a good function for collecting dust can be secured without increasing power consumption.

Accordingly, an electric drive device, a power transmission belt, and a clutch mechanism for rotating the rotary brush are not required, and the weight of the dust collecting portion main body can be reduced. In addition, the cost is extremely small because the power supply is constituted only by a plurality of rotating units that do not use electric power. Further, as compared with the case of using a one-way clutch, the occurrence of operation failure due to dust contamination is suppressed, and the reliability of the rotating operation of the rotating brush is improved.

Further, irrespective of the traveling direction of the wheel 15, the rotating brush always rotates in the direction in which the side facing the rising airflow portion moves upward. The configuration for obtaining such a rotation is also achieved by a structure using only the rotating portion, and it is possible to mount the rotating brush while minimizing the increase in the cost of the vacuum cleaner.

It should be noted that the present invention is not limited to the configurations of the above embodiments, and various modifications are possible within the scope of the present invention. The transmission of the rotation operation is such that an internal gear 15a is formed on the inner wheel side of the wheel 15 and the first rotating body is meshed with the internal gear 15a. However, the invention is not limited thereto. It is also possible to adopt a configuration in which it is formed in a circular portion and a gear is formed in the outer peripheral portion, and the first rotating body is meshed with the gear.

In each of the above embodiments, the structure of the rotating body is a gear. However, the present invention is not limited to this. For example, the rotating operation may be transmitted by a circular body around which a rubber member having a high friction coefficient is disposed. It is also possible.

[0067]

As described above, according to the vacuum cleaner with a rotary brush according to the present invention, dust can be collected more effectively by the sweeping operation of the rotary brush, and It is possible to perform only the rotation operation of the wheels accompanying the movement operation of the dust collection unit as a power source without consuming power in the rotation operation in a desired direction. This achieves a configuration of a vacuum cleaner having excellent dust collection performance with low power consumption.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a first embodiment of a rotary brush driving mechanism which is a component of the present invention.

FIGS. 2A and 2B show a first example of a rotary brush driving mechanism.
It is operation | movement explanatory drawing of embodiment.

FIG. 3 is an explanatory view showing a second embodiment of the rotary brush driving mechanism.

FIGS. 4A and 4B show a second example of a rotary brush driving mechanism.
It is operation | movement explanatory drawing of embodiment.

FIG. 5 is an explanatory diagram showing a third embodiment of the rotary brush driving mechanism.

FIGS. 6A and 6B are diagrams illustrating a third example of the rotary brush driving mechanism.
It is operation | movement explanatory drawing of embodiment.

FIG. 7 is an external explanatory view of a reflux-type vacuum cleaner to which the present invention is applied.

FIG. 8 is a schematic cross-sectional view of a dust collection unit main body according to the embodiment.

FIG. 9 is an explanatory view of an actual loaded state of the rotary brush driving mechanism.

FIG. 10 is an explanatory diagram of a loaded state of a rotating brush.

[Explanation of symbols]

12 Dust recovery unit main body 15 Wheel 18 Rotary brush 22, 24, 50 Arm member 26, 28, 52 First rotary gear 38, 40, 42, 44, 56, 58, 62 Intermediate rotary gear 36 Brush coaxial gear 60 Small arm member

Continuation of the front page F term (reference) 3B006 KA00 3B061 AA33 AD05 AD06 3J009 DA18 EA05 EA21 EA35 EA43 ED05 FA30

Claims (7)

[Claims] 1. A dust collection unit main body that is moved on a surface to be cleaned to collect dust, and a rotating tip of the dust collection unit main body that is opposed to each other with a pair of rotation axes substantially parallel to each other inside the dust collection unit main body. A rotating brush provided so that a portion thereof is in contact with the surface to be cleaned; a wheel provided on the surface of the dust collecting portion for manual movement on the surface to be cleaned; A rotating brush drive mechanism having a plurality of rotating portions for transmitting the rotating brushes in such a direction as to move the facing surfaces of the rotating brushes upward irrespective of the above. Machine. 2. The rotating brush driving mechanism includes: a first rotating unit that is directly rotated by the rotating operation of the wheel; and a final rotating unit that is provided to rotate coaxially with each of the rotating brushes. An intermediate rotating unit that transmits the rotating operation of the first rotating unit to the final rotating unit as an operation of always rotating the rotating brush in the direction regardless of the rotating direction of the first rotating unit; The vacuum cleaner with a rotary brush according to claim 1, further comprising: 3. The first rotating section is formed by two arm members mounted coaxially with the wheel and reciprocatingly rotating within a predetermined angle range in accordance with forward / reverse rotation of the wheel. It has two arm members that are always constant, and two first rotating bodies provided one at each of the distal ends of the two arm members, and the forward or reverse rotation of the wheel. Due to the rotating operation of the two arm members caused by the operation, only one or the other rotating body of the two first rotating bodies is in a state of transmitting the rotating operation to the intermediate rotating section, and the intermediate rotating section A plurality of second rotators arranged so as to always transmit the same directional rotation to the final rotator by transmitting the rotative operation from either side of the one or the other first rotator. 3. The method according to claim 2, wherein Vacuum cleaner with rotating brush. 4. An arm member mounted coaxially with the wheel and rotating in a predetermined angle range in accordance with forward / reverse rotation of the wheel, the first rotating portion includes:
A first rotator provided at the tip end thereof and to which the rotational operation of the wheel is directly transmitted, and wherein the rotation of the arm member caused by the forward or reverse rotation of the wheel causes the arm to rotate. The first rotating body is in a state of transmitting a rotating operation directly to the final rotating section on one side, and the intermediate rotating section is configured to directly transmit the rotating operation to the final rotating section on one side by the first rotating body. The vacuum cleaner with a rotating brush according to claim 2, further comprising a plurality of intermediate rotating bodies that transmit a rotating operation from the first rotating unit to a final rotating unit on the other side. 5. An arm member which is mounted coaxially with the wheel and which rotates in a predetermined angle range in accordance with forward / reverse rotation of the wheel;
A first rotator provided at the tip end thereof and to which the rotation of the wheel is directly transmitted, and the first rotation of the arm member caused by the forward or reverse rotation of the wheel. One rotating body is in a state of directly transmitting a rotating operation to the final rotating part on one side, and the intermediate rotating part is a small arm member rotatably mounted coaxially with the first rotating body and a tip thereof. An intermediate rotator, provided in a section, to which a rotation operation is transmitted from the first rotator.
At the time of direct transmission by the rotator to the final rotating part on one side, the intermediate rotator is rotated by the rotation of the arm member and the rotation of the small arm member caused by the rotation of the first rotator. The vacuum cleaner with a rotary brush according to claim 2, wherein the rotary operation is transmitted to a final rotary unit on the other side. 6. The vacuum cleaner with a rotary brush according to claim 3, wherein the first rotating body is configured as a planetary gear inside an internal gear formed on the wheel. . 7. The dust collecting unit main body is provided with rising air flow forming means for moving dust on the surface to be cleaned by using a rising flow of air, and the rotating brush is formed as described above. The vacuum cleaner with a rotary brush according to any one of claims 1 to 6, wherein the vacuum cleaner is arranged so as to form a pair across the rising air flow portion.