JP2004024456A - Suction port for vacuum cleaner and vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suction port for a vacuum cleaner and a vacuum cleaner, exhibiting excellent dust collecting performance near the wall. <P>SOLUTION: The suction port for a vacuum cleaner and the vacuum cleaner include: a suction hole 7 opened downward for sucking dust; a connecting pipe 2 forming an air passage for sucking dust from the suction hole 7; and dust removers 19, 20 provided in the periphery of the suction hole 7. The dust removers 19, 20 are moved in the horizontal direction to a surface to be cleaned by an electric motor. By this arrangement, compatibility between removal of dust by the wall and flowing of air into the suction hole can be attained, the operability can be secured, and excellent dust collecting performance by the wall can be exhibited. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a suction device for a vacuum cleaner and an electric vacuum cleaner, which improve dust collection performance.
[0002]
[Prior art]
Hereinafter, a conventional suction port for a vacuum cleaner and a configuration of the vacuum cleaner using the same will be described with reference to FIGS.
[0003]
First, the overall configuration of the vacuum cleaner will be described with reference to FIG. 11. An extension pipe 43 is connected to the suction tool 41 via a connection pipe 42, and a hand operation unit 44 is connected to the other end of the extension pipe 43. A hose 45 is connected to the rear of the hand operation unit 44, and the other end of the hose 45 is connected to a connection port 46 b of the cleaner body 46, and an electric blower that generates suction air provided in the cleaner body 46. A dust passage (not shown) communicating with 46a is formed inside each.
[0004]
Next, the configuration of the suction tool 41 will be described with reference to FIGS. 12 and 13. The suction tool 41 communicates with a dust collection chamber 47 a having a suction port 47 for sucking dust, and is held by the suction tool 41. A connection pipe 42 is provided. A rotating brush 49 having a plurality of brushes 48 as a dust scraper is disposed in the dust collecting chamber 47a, and the rotating brush 49 is driven by a motor (not shown) via a belt (not shown). Rotational force is transmitted to rotate. In addition, as a support for the suction tool 41, a fixed raised cloth 50 fixed to the suction tool 41 in a pair of right and left is provided in front of the suction port 47, and a rear end of the suction tool 41 is rotatable to the suction tool 41. A fixed rotating roller 51 is provided. The front wall 52, which is one of the walls of the suction port constituting the dust collection chamber 47a, rises substantially vertically, and the lower end of the front wall 52 curves rearward to form the suction port 47. ing. Here, the front wall 52 is formed with a concave portion 53 that becomes uneven when the suction tool 41 is viewed from the front-rear direction, and the lower end of the front wall 52 is substantially flush with the lower end 54 of the fixed raised cloth mounting portion. Formed.
[0005]
With the above configuration, the suction tool 41 is supported by the pair of left and right fixed raised cloths 50 and the rotating roller 51, and when suction is applied from the cleaner body 46, dust on the surface to be cleaned is lifted by the rotation of the rotating brush 49. Then, it is sucked into the cleaner body 46 via the connection pipe 42, the extension pipe 43, and the hose 45.
[0006]
[Problems to be solved by the invention]
However, in the above-described conventional configuration, in the portion where the fixed raised cloth 50 is provided, dust on the wall can be sufficiently removed, but the vacuum pressure of the dust collection chamber 47a is adjusted in consideration of operability and dust collection performance. Therefore, it is necessary to form the recess 53 so that air flows into the dust collecting chamber 47a. However, in particular, on the carpet, the recessed portion 53 was obstructed, and the air flow into the dust collecting chamber 47a became poor, so that the dust on the wall could not be removed firmly. In the conventional example, the front wall 52 has been described. However, similarly to the front wall 52, there is no air flow and the dust on the side wall cannot be removed firmly.
[0007]
The present invention is intended to solve the conventional problems as described above, and it is an object of the present invention to provide a suction device for a vacuum cleaner and a vacuum cleaner which can ensure operability and have good dust collecting property near a wall. The purpose is.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a suction port having a lower opening for sucking dust, a connecting pipe forming a ventilation path for sucking dust from the suction port, and dust provided around the suction port. A dust remover for moving the dust remover in a horizontal direction with respect to the surface to be cleaned by an electric motor, and removing the dust from the wall by moving the dust remover in a horizontal direction with respect to the surface to be cleaned. It is possible to provide a suction device for a vacuum cleaner and a vacuum cleaner, which can balance the flow of air into the suction port, ensure operability, and have good dust collecting properties near the wall.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
The invention according to claim 1 of the present invention is provided around a suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and the suction port. A dust remover is provided, and the dust remover is moved in a horizontal direction with respect to a surface to be cleaned by an electric motor, so that it is possible to remove dust on a wall and to flow air into a suction port, thereby ensuring operability. In addition, it is possible to provide a suction device for a vacuum cleaner having good dust collecting property near a wall. Further, maintenance at the time of repair or the like can be easily performed without using a complicated mechanism.
[0010]
The invention according to claim 2 of the present invention is provided around a suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and the suction port. A dust removing body is provided, and the dust removing body is moved in a horizontal direction with respect to a surface to be cleaned by a solenoid, so that it is possible to remove dust on the wall and flow air into the suction port at the same time. In addition, it is possible to provide a suction device for a vacuum cleaner having good dust collecting property near a wall. Further, maintenance at the time of repair or the like can be easily performed without using a complicated mechanism.
[0011]
The invention according to claim 3 of the present invention is provided around a suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and the suction port. A dust remover is provided, and the dust remover is moved vertically with respect to the surface to be cleaned by an electric motor, so that both removal of dust on the wall and flow of air into the suction port can be achieved, and operability can be secured. In addition, it is possible to provide a suction device for a vacuum cleaner having good dust collecting property near a wall. Further, maintenance at the time of repair or the like can be easily performed without using a complicated mechanism. In addition, there is also a greater dust collection effect by hitting the surface to be cleaned by the vertical movement and hitting the dust.
[0012]
The invention according to claim 4 of the present invention is provided around a suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and the suction port. A dust remover is provided, and the dust remover is moved up and down with respect to the surface to be cleaned by a solenoid, so that it is possible to remove dust on the wall and flow air into the suction port at the same time, thereby ensuring operability. In addition, it is possible to provide a suction device for a vacuum cleaner having good dust collecting property near a wall. Further, maintenance at the time of repair or the like can be easily performed without using a complicated mechanism. In addition, there is also a greater dust collection effect by hitting the surface to be cleaned by the vertical movement and hitting the dust.
[0013]
The invention according to claim 5 of the present invention includes a plurality of dust removers, and the driving force for moving the dust removers is dispersed, so that the durability of the drive source can be improved.
[0014]
The invention according to claim 6 of the present invention moves the plurality of dust removing bodies in different directions from each other, so that it is possible to achieve both the removal of dust on the wall and the flow of air into the suction port, and the balance can be improved, An operability can be ensured, and a suction device for a vacuum cleaner having good dust collecting properties near a wall can be provided.
[0015]
The invention according to claim 7 of the present invention is provided around a suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and the suction port. A dust remover, and a protrusion connected to the dust remover, wherein when the protrusion is pressed, the dust remover is moved in a horizontal direction with respect to a surface to be cleaned. It is possible to provide a suction device for a vacuum cleaner, which can balance the flow of air into the suction port and can ensure operability and also has a good dust collecting property near the wall. Also, it can be realized at low running cost.
[0016]
The invention according to claim 8 of the present invention is provided around a suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and the suction port. A dust remover, and a protrusion connected to the dust remover, wherein when the protrusion is pressed, the dust remover is moved up and down with respect to the surface to be cleaned. It is possible to provide a suction device for a vacuum cleaner, which can balance the flow of air into the suction port and can ensure operability and also has a good dust collecting property near the wall. Also, it can be realized at low running cost. In addition, there is also a greater dust collection effect by hitting the surface to be cleaned by the vertical movement and hitting the dust.
[0017]
According to a ninth aspect of the present invention, a dust removing body is provided in front of the suction port, and the suction tool generally has a longitudinal direction in front of the suction port, and an opportunity for removing dust on a wall. Is most effective in front of the suction port, so that the effect is large.
[0018]
In the invention according to claim 10 of the present invention, the dust removing body is connected to the suction tool main body by an elastic material, and is connected to the convex portion via the movable member, and only when the convex portion is pressed. The dust remover moves in a direction in which the elastic material extends or contracts, so that both removal of dust at the wall and flow of air into the suction port can be achieved, operability can be ensured, and dust collection at the wall can be achieved. A good suction device for a vacuum cleaner can be provided. Also, it can be realized at low running cost. Furthermore, it can be realized at low cost without using a complicated mechanism.
[0019]
According to an eleventh aspect of the present invention, the suction device for a vacuum cleaner according to any one of the first to tenth aspects is capable of communicating with a vacuum cleaner body having a built-in electric blower that generates a suction wind. A vacuum cleaner that removes dust from the wall and allows air to flow into the suction port at the same time, ensures operability, and provides a suction device and a vacuum cleaner for the vacuum cleaner with good dust collection at the wall. it can.
[0020]
【Example】
(Example 1)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
[0021]
First, an overall configuration of the vacuum cleaner will be described with reference to FIG. 1. An extension pipe 3 is connected to a suction tool 1 via a connection pipe 2, and a hand operation unit 4 is connected to the other end of the extension pipe 3. A hose 5 is connected to the rear of the hand operation unit 4, and the other end of the hose 5 is connected to a connection port 6 b of the cleaner main body 6. A dust passage (not shown) communicating with 6a is formed inside each of them.
[0022]
Next, the structure of the suction tool 1 will be described. A main body 1a of the suction tool 1 forming a dust collection chamber 7a having a suction port 7 for sucking dust, and a main body of the suction tool 1 communicating with the dust collection chamber 7a. The suction tool 1 is constituted by a connection pipe 2 held by 1a and having a dust passage 2a therein. Here, the connecting pipe 2 is provided with respect to a front wall 8 which is a wall forming a dust collecting chamber 7a of the main body 1a of the suction tool 1 so that the main body 1a of the suction tool 1 can be easily moved along a wall or the like. It has a rotating mechanism that rotates until it becomes substantially parallel. A rotating brush 10 having a plurality of bristle brushes 9 is disposed in the dust collecting chamber 7a as a dust scraper, and the rotating brush 10 is rotated by a rotating force transmitted from an electric motor 35 via a belt 36. Configuration. In addition, a fixed raising cloth 11 fixed to the suction tool 1 in a pair of left and right in front of the suction port 7, a fixed raising cloth A12 fixed to the suction tool 1 in a pair of left and right behind the suction port 7, A raising cloth roller 13 rotatably fixed to the suction tool 1 is disposed behind the main body 1a of the suction tool 1. Here, the fixed raised cloth 11 is curved in a substantially L-shape from the front wall 8 to the lower surface 15 of the suction tool 1, and the fixed raised cloth 11 is aligned with the front-rear direction of the suction tool 1, from the front. The lodging process is applied in the direction of falling backwards.
[0023]
Further, a pair of left and right dust removers A19 and B20 are disposed at the front of the suction port 7 so as to be slidable in the longitudinal direction, and these dust removers are held by springs A21 and B22, respectively, and the electric motor A23 is provided. , B24 via cams A25, B26, the rotational motion is converted to linear motion and driven in the longitudinal direction.
[0024]
With the above configuration, the suction tool 1 is supported by the pair of left and right fixed raised cloths A11 and the raised cloth roller 13, and when suction is applied from the cleaner body 6, the dust on the surface to be cleaned is rotated by the rotating brush 10, and the dust is removed. The bodies A19 and B20 are lifted up by being driven with a phase difference of 180 degrees in the longitudinal direction, and are sucked into the cleaner body 6 via the connecting pipe 2, the extension pipe 3, and the hose 5. The dust removing members A19 and B20 are driven when they come into contact with corners such as walls.
[0025]
As described above, by driving the dust removers A19 and B20 in the longitudinal direction, the dust remover can be disposed in front of the suction tool 1 or the like, and the suction tool that could not be scraped up by the conventional rotary brush. (1) It is possible to clean the front corner and the like, and it is possible to provide the consumer with a low-priced suction tool by using the electric motors A23 and B24 as a drive source. Furthermore, by driving only when it comes into contact with a corner of a wall or the like, the driving time can be shortened, power consumption can be reduced, and efficient cleaning can be performed. Also, by driving the phases 180 degrees different from each other, it is possible to prevent a force for moving the suction tool in the same direction when the phases are made the same, and to efficiently collect dust in the center of the suction tool. It is possible to dust. Although the motors A23 and B24 are used in the present embodiment, it is clear that the same effect can be obtained by using a solenoid as an alternative drive source. In this case, since a linear motion can be used without using a cam, a complicated operation is required. Maintenance without repair can be easily performed without using a mechanism.
[0026]
(Example 2)
Hereinafter, a second embodiment of the present invention will be described with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
[0027]
A pair of left and right dust removers A19 and B20 are disposed at the front of the suction port 7 so as to be slidable in the longitudinal direction, and these dust removers are held by springs A21 and B22, respectively, and projecting objects A27, B28 comes into contact with a wall or the like and is driven in the longitudinal direction via the movement links A29 and B30.
[0028]
As described above, by driving the dust removers A19 and B20 in the longitudinal direction, the dust remover can be disposed in front of the suction tool 1 or the like, and the suction tool that could not be scraped up by the conventional rotary brush. (1) It is possible to clean the front corner and the like, and the power source uses the force of contact with a wall or the like. Can be provided.
[0029]
(Example 3)
Hereinafter, a third embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first and second embodiments are denoted by the same reference numerals, and description thereof will be omitted.
[0030]
A19 is disposed at the front of the suction port 7 so as to be vertically slidable in the vertical direction, and these dust removing bodies are held by springs A21 and linearly rotate from the electric motor A23 via the cam A25. It is converted into motion and driven vertically up and down.
[0031]
With the above-described configuration, the suction tool 1 is supported by the pair of left and right fixed raising cloths A11 and the raising cloth roller 13, and when suction is applied from the cleaner body 6, dust on the surface to be cleaned is scraped by the rotation of the rotating brush 10. The dust remover A19 is lifted up and driven up and down in the vertical direction, and is sucked into the cleaner body 6 via the connection pipe 2, the extension pipe 3, and the hose 5. The dust removing member A19 is driven when it comes into contact with a corner of a wall or the like.
[0032]
As described above, by driving the dust removing member A19 up and down in the vertical direction, the dust removing member can be disposed in front of the suction tool 1 or the like, and the suction tool that cannot be scraped up by the conventional rotary brush. (1) It is possible to clean the front corner and the like, and by using the electric motor A23 as a drive source, it is possible to provide the consumer with a low-priced suction tool. Furthermore, by driving only when it comes into contact with a corner of a wall or the like, the driving time can be shortened, power consumption can be reduced, and efficient cleaning can be performed. Although the motor A23 is used in the present embodiment, it is apparent that the same effect can be obtained even if a solenoid is used as an alternative drive source. In this case, a linear mechanism can be used without using a cam, so a complicated mechanism is required. It is possible to easily perform maintenance at the time of repair or the like without using it.
[0033]
(Example 4)
Hereinafter, a fourth embodiment of the present invention will be described with reference to FIG. The same parts as those in the first to third embodiments are denoted by the same reference numerals, and description thereof will be omitted.
[0034]
Dust removers A19 are arranged at the front of the suction port 7 so as to be vertically slidable in the vertical direction. These dust removers are held by springs A21, and the protrusions A27 respectively come into contact with walls and the like. And is driven vertically up and down via the motion link A29.
[0035]
As described above, by driving the dust removing member A19 up and down in the vertical direction, the dust removing member can be disposed in front of the suction tool 1 or the like, and the suction tool that cannot be scraped up by the conventional rotary brush. (1) It is possible to clean the front corner and the like, and the power source uses the force of contact with a wall or the like. Can be provided.
[0036]
(Example 5)
Hereinafter, a fifth embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first to fourth embodiments are denoted by the same reference numerals, and description thereof will be omitted.
[0037]
A movable member 34 provided with a lower opening 31 and a protrusion C32 in front of the suction tool 1 for closing the opening 31 and regulated by a spring C33 is provided at a front portion of the suction port 7. It moves and opens the opening 31.
[0038]
By providing the opening 31 in front of the suction tool 1 as described above, it is possible to clean a corner such as the front of the suction tool 1 which could not be scraped up by a conventional rotary brush, and to use a drive source such as a wall or the like. Since no electric motor or the like is required because the contact force is used, power consumption can be reduced to zero, and a lightweight and low-cost suction device can be provided to the consumer. Further, in the normal cleaning state in which the movable member closes the opening, the pressure in the suction port 7 can be kept high, and the dust collecting force can be increased.
[0039]
【The invention's effect】
Advantageous Effects of Invention According to the present invention, it is possible to provide a vacuum cleaner suction tool and a vacuum cleaner that are inexpensive and have good dust collecting properties near a wall.
[Brief description of the drawings]
FIG. 1 is an overall view of a vacuum cleaner showing a first embodiment of the present invention; FIG. 2 is a front view of the vacuum cleaner suction tool; FIG. 3 is a bottom view of the vacuum cleaner suction tool; 4 is a top view of the vacuum cleaner suction tool. FIG. 5 is a top view of a vacuum cleaner suction tool showing a second embodiment of the present invention. FIG. 6 is an electric diagram showing a third embodiment of the present invention. FIG. 7 is a front view of a vacuum cleaner suction tool. FIG. 7 is a sectional view taken along line AA of FIG. 6. FIG. 8 is a sectional view taken along line AA of FIG. 6 showing a fourth embodiment of the present invention. 5 is a bottom view of a vacuum cleaner suction tool showing an embodiment of FIG. 5; FIG. 10 is a sectional view taken along line BB of FIG. 9; FIG. 11 is an overall view of a conventional vacuum cleaner. Front view of the tool [Fig. 13] Bottom view of the vacuum cleaner suction tool [Explanation of reference numerals]
DESCRIPTION OF SYMBOLS 1 Suction tool 2 Connection pipe 7 Suction port 10 Rotary brush 19 Dust removal body A
20 Dust remover B
21 Spring A
22 Spring B
23 Motor A
24 Motor B
31 opening 34 movable member

Claims (11)

A suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and a dust removing body provided around the suction port; A suction tool for a vacuum cleaner that moves in a horizontal direction with respect to the surface to be cleaned. A suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and a dust removing body provided around the suction port, wherein the dust removing body is a solenoid. A suction tool for a vacuum cleaner that moves in a horizontal direction with respect to the surface to be cleaned. A suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and a dust removing body provided around the suction port; A suction device for a vacuum cleaner that moves vertically with respect to the surface to be cleaned. A suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, and a dust removing body provided around the suction port, wherein the dust removing body is a solenoid. A suction device for a vacuum cleaner that moves vertically with respect to the surface to be cleaned. The suction tool for a vacuum cleaner according to any one of claims 1 to 4, comprising a plurality of dust removing bodies. The suction tool for a vacuum cleaner according to claim 5, wherein the plurality of dust removing bodies are moved in different directions. A suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, a dust removing body provided around the suction port, and connected to the dust removing body. A suction tool for an electric vacuum cleaner, comprising a convex portion, wherein the dust removing member is moved in a horizontal direction with respect to a surface to be cleaned when the convex portion is pressed. A suction port having a lower opening for sucking dust, a connection pipe forming a ventilation path for sucking dust from the suction port, a dust removing body provided around the suction port, and connected to the dust removing body. A suction tool for an electric vacuum cleaner, comprising a convex portion, wherein when the convex portion is pressed, the dust removing body is moved up and down relative to a surface to be cleaned. The suction tool for a vacuum cleaner according to any one of claims 1 to 8, wherein a dust removing body is provided in front of the suction port. The dust removing body is connected to the suction tool main body by an elastic material, and is connected to the convex portion via a movable member, and only when the convex portion is pressed, the dust removing body moves in a direction in which the elastic material extends. 9. The suction tool for a vacuum cleaner according to claim 7, wherein the suction tool moves in a contracting direction. An electric vacuum cleaner in which the suction tool for a vacuum cleaner according to any one of claims 1 to 10 can communicate with a main body of a vacuum cleaner having a built-in electric blower that generates a suction wind.

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