JPH05277049A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To provide a vacuum cleaner with improved convenience for use and operability by reducing weight applied to a handle part gripped by a user in use. CONSTITUTION:The tip 32 of a hose 28 connected to an intake port 30 of a vacuum cleaner body 21 is connected directly to a floor nozzle pipe 34 of a floor nozzle 33 and the floor nozzle pipe 34 is connected to a handle 37 through a support 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner which is used by connecting a hose to a vacuum cleaner body.

[0002]

2. Description of the Related Art Conventionally, an electric vacuum cleaner of this type has been disclosed in Japanese Patent Laid-Open No.
As shown in U.S. Pat. No. 5,191,925, a handle is arranged at the other end of a hose connected to the main body, and a floor nozzle is generally connected to the end of the hose via an extension pipe having an intake passage. ..

A description will be given below with reference to FIGS. 17 and 18.
Reference numeral 1 denotes an electric vacuum cleaner main body (hereinafter referred to as a main body) in which a dust collection chamber 2, a motor 3 and the like are arranged. Reference numeral 4 is an intake port provided in the main body 1 in front of the dust collection chamber 2 and is a connection pipe 6 of the hose 5.
Connect. An extension pipe 8 is connected to the handle 7 of the hose 5, and a floor nozzle 10 is connected to the end of the extension pipe 8 via a floor nozzle pipe 9. Also, the handle 7
A switch 11 for controlling the rotation of the motor 3 and the like and a converter 12 for converting an input from the switch 11 into a control signal are built therein.

Further, in Japanese Patent Laid-Open No. 195529/1993, FIG.
As shown in FIG. 9, the light emitting element 14 and the light receiving element 15 are made to face the relative position in the dust collecting passage 13 of the handle 7 as a detecting means for detecting the amount of dust in the dust collecting passage 13, and the light receiving amount of the light receiving element 15 is detected. In some cases, the handle 7 has a built-in control board 17 for controlling the rotation of the motor 3 or the like and for operating the display 16.

[0005]

However, in the above structure, the switch 11 and the conversion unit 1 are provided in the handle 7.
2, and further, the light emitting element 14, the light receiving element 15, the control board 1
Since 7, etc. are built in, the handle 7 becomes large and heavy, and the arm becomes very tired when it is used. Also, the floor nozzle 10 and the hose 5
The extension pipe 8 connecting with the handle 7 forms an intake passage, and since plastic is mainly used as a material, a certain thickness is required to have strength,
It became larger and heavier, which also contributed to the burden on the hands during use. Furthermore, floor nozzle 1
In the case where 0 has a built-in electric motor that gives a driving force to the rotating brush, it is necessary to build a conductive wire separately from the intake passage of the extension pipe 8 in order to supply power to the electric motor. It was large and heavy.
Further, since the handle 7 which is a grip portion of the hand is arranged at the tip of the hose 5, the force due to the displacement of the hose 5 at the base of the handle 7 is always transmitted to the handle 7 when the handle 7 is moved. , Was straining my hands. Further, since the axial center of the connecting portion of the handle 7, the extension pipe 8 and the floor nozzle pipe 9 of the floor nozzle 10 are substantially aligned with each other, the handle 7 is used to change the direction as shown in FIG. Even if twisted, floor nozzle 10 Floor nozzle pipe 9
It was difficult to convert the force into the force for changing the direction of the floor nozzle 10 only by applying the twisting force to the center in the axial direction. Also,
As shown in FIG. 20, since the handle 7 is large and heavy, even when using an attachment such as a gap nozzle, it is easy to get tired and usability in a narrow space is very poor.

As described above, in the conventional structure, the burden on the hand at the time of use is very large, and the usability is very poor.

The present invention is intended to solve such a problem, and to reduce the size and weight between the handle 7 and the floor nozzle 10 to reduce the burden on the hand during use and improve the usability. The purpose is to provide a vacuum cleaner.

[0008]

The technical means of the first invention for solving the above-mentioned problems is to provide a hose connected to an intake port of a vacuum cleaner body, a floor nozzle grounded on the floor surface, and a user. A handle for gripping, the floor nozzle is connected to a hose to form an intake passage, and a support for connecting the floor nozzle and the handle is provided.

According to a second aspect of the present invention, a switch for controlling the rotation of a motor or the like is arranged on the handle, and a converter for converting a signal from the switch, a control board, etc. are built in the floor nozzle. ..

According to a third aspect of the invention, a switch for controlling the rotation of a motor or the like is arranged on the handle, and a converter or a control board for converting a signal from the switch is built in the floor nozzle pipe of the floor nozzle. To do.

According to a fourth aspect of the invention, the center of the support for connecting the floor nozzle and the handle is held at a position displaced from the center of the connecting pipe of the floor nozzle.

A fifth aspect of the present invention is to form a holding portion for holding the hose near the handle connected to the floor nozzle.

According to a sixth aspect of the invention, the holding body for holding the hose is arranged slightly ahead of the grip portion of the handle.

The means of the seventh invention is to form a means for disposing a holder for holding a hose at an arbitrary position on a support.

The means of the eighth invention forms means for making the floor nozzle and the hose detachable.

According to a ninth aspect of the present invention, a switch for controlling the rotation of a motor or the like is provided at a portion of the hose that is attached to and detached from the floor nozzle.

According to a tenth aspect of the present invention, a switch arranged at a connecting portion of the hose with the floor nozzle is arranged on the side opposite to the side where the means for attaching and detaching the floor nozzle is arranged.

The eleventh means is to dispose a switch for controlling the rotation of a motor or the like in the main body of the electric vacuum cleaner.

According to a twelfth aspect of the present invention, a switch for turning on / off the rotation of a motor or the like is provided at a portion of the hose that is attached to or detached from the floor nozzle, and the rotation speed of the motor or the like is variable in the main body of the vacuum cleaner. The switch is provided.

[0020]

The operation of the above configuration is as follows.

According to the first aspect of the present invention, the hose is directly connected to the floor nozzle, and the handle, which is the grip of the hand during use, is connected to the floor nozzle through the support, so that it is necessary to use the extension tube. The weight of the handle portion when used is reduced and the usability is improved. Further, since the intake passage corresponding to the length of the extension pipe is unnecessary, the pressure loss at the time of intake is reduced and a high suction work rate can be realized.

Further, even if the hose is formed long, the weight applied to the handle portion does not increase. Therefore, by forming the hose long, the weight of the handle portion is not increased and a light operation is achieved, and the vacuum cleaner body is not so much. It is possible to clean a wide area without moving, and it is possible to remarkably improve usability.

According to the second aspect of the present invention, the handle is provided with a switch for controlling the rotation of the motor and the like, and the converter for converting the signal from the switch and the control board are built in the floor nozzle. The size and weight can be reduced, the weight at the handle portion can be reduced, and the force applied to the hand portion at the time of use can be reduced to improve usability.

According to the third aspect of the present invention, a switch for controlling the rotation of the motor or the like is arranged on the handle, and a converter or a control board for converting a signal from the switch is built in the floor nozzle pipe of the floor nozzle. As a result, the handle can be made smaller and lighter without enlarging the floor nozzle, the weight at the handle portion is reduced, and the force applied to the hand portion at the time of use is reduced to improve usability. In addition, the number of lead wires to the floor nozzle portion can be reduced, electrical connection can be facilitated, the configuration can be simplified, and the assemblability can be improved.

According to the fourth aspect of the invention, the center of the support and the center of the floor nozzle pipe of the floor nozzle are offset from each other, and the force is generated when the handle is moved with the centers of the handle and the floor nozzle pipe displaced from each other. Since the floor nozzle pipe is displaced from the center of the floor nozzle pipe, the floor nozzle pipe is easily rotated to the left and right, and the direction of the floor nozzle can be easily changed.

According to the fifth aspect of the present invention, by disposing a holder for holding the hose connected to the floor nozzle pipe of the floor nozzle in the vicinity of the handle, cleaning can be performed in the same form as the conventional one without making the handle portion heavy. In addition to being able to do this, the hose can be easily stored.

According to the sixth aspect of the present invention, the holding body for holding the hose is arranged slightly forward of the grip portion of the handle, so that the force due to the bending of the hose when the handle holding the hose is slid is applied to the handle. It is hard to be transmitted to the grip, no strange force is applied to the handle during use, and the hand is less tired, improving operability.

According to the seventh aspect of the invention, the hose length can be adjusted according to the usage condition by configuring the means capable of disposing the holding part for holding the hose at an arbitrary position on the support, and it is suitable for the usage condition. It is possible to obtain a long hose length and improve usability.

According to the eighth aspect of the invention, by constructing the means for making the connecting portion between the floor nozzle and the hose detachable,
When cleaning a curtain, sofa, or a narrow space, remove the hose from the floor nozzle and attach a gap nozzle or furniture nozzle to the end of the hose for easy cleaning with an attachment. At times, it is light and easy to use, has a small turn, and improves operability.

According to the ninth aspect of the invention, the switch for controlling the rotation of the motor or the like is provided at the tip of the hose which can be attached to and detached from the floor nozzle. The rotation can be controlled and usability can be improved.

According to the tenth aspect of the invention, the switch is provided at the connecting portion of the hose with the floor nozzle, and the switch is provided on the side opposite to the attaching / detaching means of the floor nozzle. The connecting portion can be formed symmetrically with respect to the axis center without increasing the size of the connecting portion, and the design can be improved, and the switch can be arranged.

According to the eleventh aspect of the present invention, by disposing a switch for controlling the rotation of the motor or the like in the main body of the electric vacuum cleaner, the tip of the hose, which becomes a grip portion of the hand when cleaning with an attachment such as a gap nozzle, is provided. The rotation of the motor or the like can be controlled by the main body of the vacuum cleaner without making it large or heavy, and the hose tip can be made small and lightweight to improve operability.

According to the twelfth aspect of the invention, a switch for turning on / off the rotation of the motor or the like is provided at the tip of the hose detachably attached to the floor nozzle, and rotation of the motor or the like is provided on the main body of the vacuum cleaner. By arranging a switch for controlling the number, the rotation of the motor etc. can be turned on / off at the end of the hose, which is the grip of the hand, when cleaning with an attachment such as a gap nozzle. According to the surface to be cleaned such as, the optimum suction power can be selected by the variable switch of the vacuum cleaner body, and the hose tip can be configured to be lightweight without being large.

[0034]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 21 denotes a dust collecting chamber 22 having an upward opening on the front side, and a motor 2 for sucking dust on the rear side.
3. Cord winding device 25 with power cord 24 wound
Vacuum cleaner main body (hereinafter referred to as main body)
A paper bag 26 accumulating dust is removably attached to the dust collecting chamber 22, and a lid 27 is rotatably arranged on the main body 21 so as to cover the upper opening thereof. An intake port 30 to which a connecting pipe 29 of a hose 28 is attached in front of the main body 21
The front cover 31 forming the
A floor nozzle 33 is attached to the tip 32 of the hose 28 via a floor nozzle pipe 34. The main body 21 has casters 35 for movement on the lower surface and rollers 36 on the side surface.
Are arranged respectively. Reference numeral 37 denotes a handle used when the user grasps the floor nozzle 33 when cleaning the floor nozzle 33 and is connected to the floor nozzle pipe 34 of the floor nozzle 33 by a support 38.

The operation of the above configuration is as follows. The handle 37 is grasped to operate the floor nozzle 33 to perform cleaning. At this time, the hose 28 is connected to the floor nozzle pipe 34 of the floor nozzle 33, and the handle 37 does not bear the weight of the hose 28 and is extended. Since the tube is not used, the weight of the extension tube, which was conventionally applied to the handle 37, can be reduced, and the weight applied to the handle 37 can be significantly reduced. In addition, the floor nozzle pipe 3 of the floor nozzle 33
By directly connecting the hose 28 to 4, the intake passage conventionally formed by the extension pipe is shortened, so that the pressure loss during intake can be reduced. Furthermore, since the weight applied to the handle 37 does not change even if the hose 28 is lengthened, it is possible to clean a wide range without hindering usability and moving the main body 21 too much.

In the second invention, as shown in FIG. 2, the switch 39 for controlling the rotation of the motor 23 is attached to the handle 3.
LED-A4, which is arranged on the display unit 7 and displays the rotation degree of the motor 23 and the conversion unit 40 that converts the signal of the switch 39.
1, LED-B 41 ′ is arranged in the floor nozzle 33.

As a result, it is not necessary to dispose the conversion portion 40 on the handle 37, and the handle 37 can be made smaller and lighter, and the usability is improved. In addition, LED-
By disposing A41 and LED-B41 'on the floor nozzle, the display is performed at the position of the line of sight during use.

In the third aspect of the invention, as shown in FIG. 3, the handle 39 is provided with the switch 39 for controlling the rotation of the motor 23.
LED-A4, which is arranged on the display unit 7 and displays the rotation degree of the motor 23 and the conversion unit 40 that converts the signal of the switch 39.
1, LED-B 41 ′ is arranged in the floor nozzle pipe 34 of the floor nozzle 33.

As a result, it is not necessary to dispose the conversion portion 40 on the handle 37 without enlarging the floor nozzle 33, and the handle 37 can be made smaller and lighter and the usability can be improved. In addition, the floor nozzle 33 does not need to be electrically connected, and has a simple structure.

In the fourth aspect of the invention, as shown in FIG. 4, a support member 38 for connecting the floor nozzle 33 and the handle 37 is formed above the floor nozzle pipe 34, and a mounting portion 42 is formed.
It is fixed to. Therefore, the center of the support 38 in the axial direction is displaced from the center of the floor nozzle pipe 34 in the axial direction by L shown in FIG.

Thus, when the handle 37 is twisted when changing the direction of the floor nozzle 33, the force is transmitted along the axial center of the support 38, and the point A of the mounting portion 42 formed above the floor nozzle pipe 34 is the point of force. Next floor nozzle pipe 34
A torque (FA × L) obtained by multiplying the force applied to the point A with the point B as a fulcrum by the length L which is the difference between the center of the support 38 and the center of the floor nozzle pipe 34 is applied to the floor nozzle pipe 34, The floor nozzle pipe 34 rotates easily, and the direction of the floor nozzle can be easily changed.

In the fifth invention, as shown in FIG. 5, a holder 44 for holding the substantially cylindrical hose 28 fixed by a screw 43 is disposed below the handle 37.

As a result, the hose 28 is held in the vicinity of the handle 37 by the holder 44, the hose 28 is less likely to be grounded on the floor surface, the hose 28 is less likely to be soiled, and the hose 28 is easily stored.

Further, as shown in FIG. 6, the holder 44 is structured so that it can be opened, and a locking portion 44a is formed on the end surface and a locked portion 44b is formed on the other end surface so that it can be opened and closed freely. The hose 28 can be freely attached and detached with the tool 44.
The length can be switched in two steps.

In the sixth aspect of the invention, as shown in FIG. 7, the holder 4 is located slightly forward of the grip portion 37a of the handle 37.
4, the hose 28 is positioned and held in front of the grip portion 37a.

As a result, the grip portion 37a for the user to grip the handle 37 is located rearward of the hose 28, so that the hose 2 can be moved when the handle 37 is slid.
The transition of 8 (shown by the chain double-dashed line) is the grip 3 of the handle 37.
It is difficult to reach 7a.

In the seventh aspect of the invention, as shown in FIGS. 8 and 9, several recesses 45 are formed on the surface of the support 38, and the retaining portion 44 for holding the hose 28 is engaged with the recess 45. The shaft 47 holds the peony 47 formed integrally with the convex portion 46. Further, a spring 49 is arranged below the button 47, and the convex portion 46 is biased so as to be caught by the concave portion 45 of the support body 38.

With this arrangement, the holding position of the hose 28 on the support 38 can be easily achieved only by pushing the button 47 of the support 44 to remove the projection 46 from the recess 45 of the support 38 and engage with the other recess 45. The length of the hose 28 can be changed (indicated by a chain double-dashed line), the length of the hose 28 can be easily adjusted depending on the use condition, and an appropriate length of the hose 28 can be selected.

In the eighth aspect of the invention, as shown in FIG. 10, the connecting pipe 50 is arranged at the tip portion 32 of the hose 28. The connection pipe 50 has an intake passage 5 connected to the intake passages 51 and 52 of the hose 28 and the floor nozzle 33.
3 is formed, and a buckle 54 is fitted on the floor nozzle pipe 34 side which is tight with the intake passage 53. The buckle 54 has a convex portion 55 projecting toward the intake passage 53 side at one end and an outwardly projecting botton 56 at the other end, and the convex portion 55 is formed by a shaft 57 and a spring 58 arranged below the botton 56. It is biased toward the intake passage 53 side. Further, a concave portion 59 is formed on the floor nozzle pipe 34 on the side of the connecting pipe 50 so as to engage with the convex portion 55. Reference numeral 60 denotes a hose cover for covering the place where the hose 28 is connected to the connection pipe 50 from above the hose 28.

As a result, the button 56 of the connecting pipe 50 is
By pressing to remove the convex portion 55 from the concave portion 59 of the floor nozzle pipe 34, the hose 28 easily comes off the floor nozzle 33, and as shown in FIG. 11, the attachment pipe 50 of the hose 28 is connected to an attachment such as a gap nozzle or a furniture nozzle. It can be used to easily clean sofas, curtains and narrow spaces. Further, since the connecting pipe 50 only has the buckle 54 and the like for connecting with the floor nozzle pipe 34 built therein, it is very light and compact and does not burden the hand.

In the ninth aspect of the invention, as shown in FIG. 12, the switch 6 for controlling the rotation speed of the motor 23 of the main body 21.
1 is arranged in the connection pipe 50 of the hose 28.

As a result, the floor nozzle 33 is connected to the hose 23.
It is possible to control the number of rotations of the motor 23 by the hand, that is, the connection pipe 50, at the time of cleaning using an attachment such as a gap nozzle by removing.

In the tenth aspect of the invention, as shown in FIG. 13, a switch 6 for controlling the rotation speed of the motor 23 of the main body 21 is provided on the side opposite to the portion where the buckle 54 is provided on the connection pipe 50.
1 is provided.

As a result, as shown in FIG. 14, when removing the connecting pipe 50 from the floor nozzle pipe 34, the connecting pipe 50 is grasped, the buckle 54 is pushed with the thumb, and the switch 61 can be immediately operated with the forefinger, which is very easy to use. .. The shape of the connection pipe 50 on the floor nozzle pipe 34 side does not protrude only in the buckle 54 arrangement portion but also in the switch 61 arrangement portion, so that the left and right sides are substantially symmetrical with respect to the axial center of the connection pipe 50. is there. Also, the buckle 54 and the switch 61 are positioned in parallel,
Even if the switch 61 is provided, it is not necessary to extend the length of the connection pipe 50.

In the eleventh aspect of the invention, as shown in FIG. 15, a switch 61 for controlling the rotation speed of the motor 23 of the main body 21 is provided in the main body 21.

As a result, when the hose 28 is removed from the floor nozzle 33, the motor 23 of the main body 21 is controlled by the main body 21.
The switch 61 disposed on the floor nozzle 3 is used to keep the size of the connection pipe 50, which is the grip, small and lightweight without increasing the size.
The main body can be operated in a state in which the hose 28 is removed from 3.

In the twelfth aspect of the invention, as shown in FIG. 16, an on / off switch 62 for turning on / off the motor 23 of the main body 21 is provided in the connection pipe 50 of the hose 28.
Moreover, the main body 21 is provided with a switch 61 for controlling the rotation speed of the motor 23.

As a result, since only the motor 23 is turned on / off, a small and lightweight switch can be used as the on / off switch 62, and the connection pipe 50 does not become so large or heavy. Moreover, when the rotation speed of the motor 23 is reduced to weaken the suction force for cleaning the curtain or the like, the rotation speed of the motor 23 can be controlled by the switch 61 provided in the main body 21.

[0060]

As described above, the present invention has the following great effects.

According to the first aspect of the present invention, the hose is directly connected to the floor nozzle, and the handle, which is the grip portion at the time of use, and the floor nozzle are connected by the support member, thereby forming an intake passage as well as the handle. There is no need to use an extension pipe that was connected to the floor nozzle, the weight of the extension pipe is not applied to the handle, and the hose is directly connected to the floor nozzle without connecting to the handle, so Such weight is significantly reduced, and cleaning can be performed with a very light operating force without imposing a heavy burden on the hand, and remarkable operability can be improved. Further, since the hose and the floor nozzle are directly connected to each other, the intake passage corresponding to the extension pipe is eliminated, so that the pressure loss of the intake air is reduced and the suction force can be improved. In addition, increasing the length of the hose does not increase the weight on the handle,
With the weight on the handle lightened and the hose lengthened, a wide range of cleaning can be performed without moving the main unit too much.
It eliminates the hassle of pulling the main body and the trouble of replacing the power outlet many times, and can significantly improve usability as well as cleaning a wide area.

According to the second aspect of the invention, the handle is provided with a switch for controlling the rotation of the motor and the like, and the floor nozzle is provided with a converter and a control board for converting the signal from the switch. Since there is no need to install a converter or control board, the handle can be made smaller and lighter, and the weight at the handle part is reduced and the force applied to the hand part during use is reduced, reducing the burden on the hand and improving usability. Can be improved.

According to the third invention, a switch for controlling the rotation of the motor or the like is arranged on the handle, and a converter, a control board or the like for converting the signal from the switch is built in the floor nozzle pipe of the floor nozzle. By doing so, we provide a small floor nozzle with a small turn without increasing the size of the floor nozzle,
In addition, the handle can be made smaller and lighter, the weight at the handle portion is reduced, and the force applied to the hand portion at the time of use is reduced to improve usability. In addition, the number of lead wires to the floor nozzle portion can be reduced, electrical connection can be facilitated, the configuration can be simplified, and the assemblability can be improved.

Further, it is possible to obtain the effects of the simplification of the structure, the reduction of the weight, the reduction of the number of parts and the cost reduction.

According to the fourth aspect of the present invention, the center of the support and the center of the floor nozzle pipe of the floor nozzle are offset from each other, and the force is generated when the handle and the floor nozzle pipe are displaced from each other. The floor nozzle pipe is displaced from the center of the floor nozzle pipe, and the floor nozzle pipe can be moved with a small force applied to the handle, the direction of the floor nozzle can be easily changed, and the operability can be improved.

According to the fifth aspect of the present invention, by disposing the holder for holding the hose connected to the floor nozzle pipe of the floor nozzle in the vicinity of the handle, the hose can be held in the vicinity of the handle and the floor surface can be maintained. This prevents the hose from hitting and prevents damage to the hose. In addition, the extension tube that was used in the past was heavy because it was made of plastic, but the hose was mainly made of vinyl chloride, which is lighter than plastic, so cleaning it in the same form as before with a light operating force without making the handle part too heavy. Since the hose is flexible, the hose is less likely to damage furniture than conventional extension pipes. Further, the hose can be easily stored. Further, by making the holder such that the hose can be attached and detached, the user can select the hose length in two ways, and the cleaning range can be expanded and the usability can be further improved.

According to the sixth aspect of the present invention, by disposing the holding body for holding the hose slightly forward of the grip portion of the handle, the displacement of the hose when the handle holding the hose slides from the grip portion. This is done in the front, and the force due to the deflection of the hose is difficult to be transmitted to the grip of the handle, and no strange force is applied to the handle during use, the hand is less likely to get tired, and operability is improved.

According to the seventh aspect of the present invention, the means for disposing the holding portion for holding the hose at an arbitrary position on the support body allows the user to freely set the length of the hose according to the use condition. It can be adjusted and the hose length suitable for the usage condition can be obtained to improve the usability.

According to the eighth aspect of the invention, by constructing the means for making the connecting portion between the floor nozzle and the hose detachable,
When cleaning a curtain, sofa, or a narrow space, remove the hose from the floor nozzle and attach a gap nozzle or furniture nozzle to the end of the hose for easy cleaning with an attachment.The hose end can be made small and lightweight. The tip of the hose is very light, it is light and easy to use when cleaning attachments, it has a small turn, and it is very convenient and improves operability.

According to the ninth aspect of the invention, the switch for controlling the rotation of the motor or the like is arranged at the tip of the hose which is detachable from the floor nozzle, so that the main body can be operated with the hose removed from the floor nozzle. Therefore, the rotation of the motor or the like can be controlled at hand in cleaning with an attachment such as a gap nozzle, and usability can be improved.

According to the tenth aspect of the invention, by disposing the switch disposed at the connecting portion of the hose with the floor nozzle on the side opposite to the side on which the attaching / detaching means of the floor nozzle is disposed, the disposing space is improved. The switch can be arranged by effectively utilizing it without increasing the size of the connection part, and by forming the connection part in a substantially symmetrical shape with respect to the center of the shaft to improve the design.

According to the eleventh aspect of the present invention, by disposing a switch for controlling the rotation of the motor or the like on the main body of the electric vacuum cleaner, the tip of the hose, which serves as a hand grip when cleaning with an attachment such as a gap nozzle, is provided. The vacuum cleaner body can control the rotation of the motor without increasing the size and weight, and the main body can be operated with the hose removed from the floor nozzle, and the hose tip can be made compact and lightweight. Can be improved.

According to the twelfth aspect of the invention, a switch for turning on / off the rotation of the motor or the like is provided at the tip of the hose detachably attached to the floor nozzle, and the rotation of the motor or the like is provided on the main body of the vacuum cleaner. By arranging a switch for controlling the number, the rotation of the motor etc. can be turned on / off at the end of the hose, which is the grip of the hand, when cleaning with an attachment such as a gap nozzle. It is possible to select the optimum suction work rate with the variable switch of the electric vacuum cleaner body according to the surface to be cleaned, etc., and the hose tip can be made lightweight without increasing the tip end of the hose to improve usability and operability.

As described above, the present invention is practically used,
It has a very useful effect.

[Brief description of drawings]

FIG. 1 is a partial sectional view of an electric vacuum cleaner showing an embodiment of the first invention.

FIG. 2 is a sectional view of an essential part showing an embodiment of the second invention.

FIG. 3 is a sectional view of an essential part showing an embodiment of a third invention.

FIG. 4 is a side view of a main portion of an embodiment of a fourth invention.

FIG. 5 is a partial sectional view of an electric vacuum cleaner showing an embodiment of the fifth invention.

FIG. 6 is a sectional view of a holder showing an embodiment of the fifth invention.

FIG. 7 is a partial side view of an essential part showing an embodiment of the sixth invention.

FIG. 8 is a partial side view of an essential part showing an embodiment of a seventh invention.

FIG. 9 is a sectional view of an essential part showing an embodiment of the seventh invention.

FIG. 10 is a sectional view of an essential part showing an embodiment of the eighth invention.

FIG. 11 is a side view showing a usage state of an embodiment of the eighth invention.

FIG. 12 is a sectional view of an essential part showing an embodiment of the ninth invention.

FIG. 13 is a sectional view of an essential part showing an embodiment of the tenth invention.

FIG. 14 is a plan view showing a usage state of an embodiment of the tenth invention.

FIG. 15 is a partial sectional view of an electric vacuum cleaner showing an embodiment of the eleventh invention.

FIG. 16 is a partial sectional view of an electric vacuum cleaner showing an embodiment of the twelfth invention.

FIG. 17 is a side view of an electric vacuum cleaner showing a conventional example.

FIG. 18 is a sectional view of a handle showing a conventional example.

FIG. 19 is a sectional view of a handle showing a conventional example.

FIG. 20 is a side view showing a usage state in a conventional example.

[Explanation of symbols]

 21 Main Body 28 Hose 32 Tip 33 Floor Nozzle 34 Floor Nozzle Pipe 37 Handle 37a Grip 38 Support 39 Switch 40 Control Board 41 LED-A 41'LED-B 42 Attachment 44 Hold 44a Lock 44b Locked Part 45,59 Recess 46,55 Convex 47,56 Button 48,57 Shaft 49,58 Spring 50 Connection pipe 54 Buckle 61 Switch 62 On-off switch

Front page continuation (72) Inventor Masakazu Onda 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (13)

[Claims] 1. A vacuum cleaner body having a built-in motor or the like and an intake port formed in the front, a hose connected to the intake port of the vacuum cleaner body, a floor nozzle grounded to the floor surface, and a handle gripped by a user. An electric vacuum cleaner, comprising: a floor nozzle connected to a hose to form an intake passage, and a support member connecting the floor nozzle to the handle. 2. A switch for controlling the rotation of a motor or the like is provided on the handle, and a converter for converting a signal from the switch, a control board, etc. are built in the floor nozzle. Vacuum cleaner. 3. A switch for controlling rotation of a motor or the like is arranged on a handle, and a converter for converting a signal from the switch, a control board, etc. are built in a floor nozzle pipe of the floor nozzle. The vacuum cleaner according to claim 1. 4. The electric vacuum cleaner according to claim 1, wherein the center of the support body connecting the floor nozzle and the handle is held so as to be displaced from the center of the connecting pipe of the floor nozzle. 5. A holding portion for holding a hose is formed in the vicinity of a handle connected to the floor nozzle.
Vacuum cleaner as described. 6. The electric vacuum cleaner according to claim 5, wherein a holding portion for holding the hose near the handle connected to the floor nozzle is configured to be detachable from the hose. 7. The holding body for holding the hose is arranged slightly forward of the grip portion of the handle.
Vacuum cleaner as described. 8. The electric vacuum cleaner according to claim 1, further comprising means for disposing a holder for holding the hose at an arbitrary position on the support. 9. The electric vacuum cleaner according to claim 1, further comprising means for detachably attaching the floor nozzle and the hose. 10. The electric vacuum cleaner according to claim 9, wherein a switch for controlling the rotation of a motor or the like is arranged at the attachment / detachment portion of the hose with respect to the floor nozzle. 11. The electric vacuum cleaner according to claim 10, wherein a switch arranged at a connecting portion of the hose with the floor nozzle is arranged on a side opposite to a side where the attaching / detaching means is arranged with respect to the floor nozzle. 12. The electric vacuum cleaner according to claim 9, wherein a switch for controlling rotation of a motor or the like is provided in the main body of the electric vacuum cleaner. 13. A switch for turning on / off the rotation of a motor or the like is provided at a portion for attaching / detaching a hose to a floor nozzle, and a switch for varying the rotation speed of the motor or the like is provided on a main body of an electric vacuum cleaner. The vacuum cleaner according to claim 9, wherein: