JPH0747010B2 - Vacuum cleaner - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an electric vacuum cleaner in which a hose holding a cord for supplying power from a cleaner body to a suction port body is rotatable with respect to the cleaner body.

(Prior Art) Conventionally, as shown in, for example, Japanese Utility Model Laid-Open No. 60-97560, a hose interposed between a cleaner body and a suction port body is horizontally rotatable on the upper surface of the cleaner body. Vacuum cleaners connected to are known. Further, in this type of vacuum cleaner, conventionally, the hose has a structure capable of rotating once or more with respect to the cleaner body.

On the other hand, a rotary brush driven by an electric motor is provided on the suction port body, and a plug of a cord for supplying electric power from the cleaner body to the electric motor is connected to an outlet fixed to the outer surface of the cleaner body, and the cord is connected to the hose and the hose There is also known an electric vacuum cleaner having a structure in which it is held along the outer peripheral surface of an extension pipe interposed between the suction port body and the suction port body and is connected to the suction port body. However, in this type of vacuum cleaner,
If the hose rotates indefinitely with respect to the cleaner body, the cord may wind around the hose and prevent the hose from rotating.
Alternatively, the cord may be twisted and damaged.

(Problems to be Solved by the Invention) As described above, in the conventional vacuum cleaner, the hose has a structure capable of rotating more than one rotation with respect to the cleaner body. There is a problem that the cord for supplying power to the body is wrapped around the hose and damaged.

The present invention is intended to solve such a problem, and an object of the present invention is to provide an electric vacuum cleaner which is excellent in operability of attaching and detaching a hose and which can protect a power supply cord and the like.

(Means for Solving the Problems) An electric vacuum cleaner according to the present invention includes a cleaner body having a connector on the outer surface, a built-in electric blower, and a dust collecting chamber communicating with the electric blower provided therein, and the cleaning body. A cylindrical rotating body rotatably provided in the machine body and having a suction port, a hose having one end inserted in the suction port and detachably connected to the rotating body, and a rotary brush driven by an electric motor And a cord that is connected to the connector of the cleaner body and that is held along the hose and that supplies power from the cleaner body to the electric motor of the suction body. , The rotating body has an engaging portion, and has a regulating portion in the cleaner body for regulating the rotating range of the rotating body engaged with the engaging portion and connected to the hose to a certain range. It is a thing.

(Operation) In the electric vacuum cleaner of the present invention, the rotary body rotatably provided in the cleaner body is provided with the engaging portion, and the hose is connected in the cleaner body by being engaged with the engaging portion. Since the restriction portion for restricting the rotation range of the rotating body to a fixed range is provided, when cleaning is performed by, for example, holding the hose and rotating the hose appropriately, when cleaning the hose, when the hose rotates The joint part engages with the regulation part of the cleaner body, the rotation range of the rotating body to which the hose is connected is regulated within a certain range, and the rotation range of the hose is regulated. There is no need to provide a member for regulating the hose, and the detachability of the hose is not impaired. Also, because the rotation range of the hose is regulated, a cord that is held along the hose and is connected to the connector on the outer surface of the cleaner body and that supplies power to the electric motor that drives the rotating brush of the suction port body is wound around the hose. It prevents the hose from rotating and prevents damage due to twisting of the cord.

(Example) Hereinafter, the structure of one example of the vacuum cleaner of the present invention will be described with reference to the drawings.

1 to 3, reference numeral 1 denotes a cleaner body, and the cleaner body 1 includes a body case 3 having an opening 2 formed in an upper front portion thereof, and a rear end of the body case 3 which is axially attached to the body case 3. It comprises a lid 4 for opening and closing the opening 2. An engaging portion 5 is formed at the front end of the lid body 4, and a clamp 7 urged by a spring 6 is axially attached to the front surface of the main body case 3, and the clamp 7 is engaged with the engaging portion. The lid 4 is held in a closed state by being disengageably engaged with the lid 5.

Further, the inside of the main body case 3 is divided into front and rear by a partition wall 12 provided at a substantially central portion thereof and having a communication port 11, and an electric blower 13 is arranged in a space portion behind the partition wall 12. A space portion in front of the partition wall 12 serves as a dust collecting chamber 14 having the opening 2 on its upper surface. In addition, a cord reel 16 that houses the power cord 15 is provided inside the main body case 3 so as to be rotatable behind the electric blower 13.

Further, on the front side of the upper surface of the main body case 3, a handle 17 for transportation is provided so as to be rotatable and housed. Further, at the lower part of the main body case 3, a traveling wheel 18 and a swivel wheel 19 of the cleaner body 1 are rotatably provided on the rear side and the front side of the lower surface of the main body case 3, respectively.

On the other hand, the lid body 4 is formed in a thin box shape having an opened lower surface. An inclined surface 21 that descends toward the front is formed on the front side of the lid body 4, and a short cylindrical tubular holding portion 22 that is orthogonal to the inclined direction is integrally formed on the inclined surface 21. ing. Further, an annular step portion 23 having a substantially L-shaped cross section is formed on the peripheral portion of the tubular holding portion 22. In addition, in the lid 4, an inclined surface is formed from the inner surface on the rear side of the upper surface.
An inner wall 24 is formed in parallel with 21 to reach the inner surface of the front side of the lid 4, and is bent vertically from there to the inner surface of the front edge of the inclined surface 21. Further, a short cylindrical tubular insertion portion 25 is formed on the inner wall 24, and an annular packing 26 is fitted and held on the lower surface so as to surround the tubular insertion portion 25.

Then, between the inclined surface 21 and the inner wall 24 of the lid body 4, a rotating body is provided.
31 is rotatably provided. The rotating body 31 has a substantially disc-shaped first rotating body member 33 having a substantially cylindrical suction port 32 in the center portion, and an opening 34 facing the suction port 32 in the center portion. A second rotating member 36 having a substantially disk shape attached to the member 33 with a screw 35, and a packing attached between the suction port 32 and the opening 34 of the first and second rotating member 33, 36. It consists of 37 and.

Further, a locking hole 40 is formed in the upper part of the first rotating body member 33 of the rotating body 31. Further, on the upper surface of the second rotating body member 36, a short cylindrical outer guide wall 41 is provided at the peripheral edge portion.
And a shorter cylindrical inner guide wall 42 that is positioned inside the outer guide wall 41 and that is shorter than the outer guide wall 41. In addition, the packing 37 is formed with an annular lip portion 43 at the lower end peripheral portion thereof.

The rotating body 31 is rotatably fitted to the annular step portion 23 of the inclined surface 21 of the lid 4 such that the upper peripheral edge portion of the first rotating body member 33 is rotatably fitted inside the second rotating body member 36. The guide wall 42 is rotatably fitted to the tubular holding portion 22 of the lid 4 and is packed.
The annular lip portion 43 of 37 is inserted into the inner wall 24 of the lid body 4 by the cylindrical insertion portion thereof.
It is rotatably attached to the lid body 4 in a state of rotatably abutting around 25. In this state, the suction port 32 has the lid 4
Of the outer guide wall 41 of the rotating body 31.
The inner peripheral surface of is opposed to the outer peripheral surface of the cylindrical holding portion 22 of the lid 4.

Further, a projecting piece-shaped engaging portion 44 is formed on the front portion of the inner peripheral surface of the outer guide wall 41 of the rotating body 31. Further, inside the cleaner body, a pair of projecting piece-shaped restricting portions 45, which are located at the rear portion of the outer peripheral surface of the cylindrical holding portion 22 of the lid body 4 and which engage and separate the engaging portions 44, are formed. .

On the other hand, inside the dust collection chamber 14 of the body case 3, the inner wall 24 of the lid 4 is
A holding plate 46 is attached by means of a screw 47 so as to face each other with a small gap therebetween.

Also, inside the dust collection chamber 14, a dust collection filter made of paper, etc.
51 is installed. The dust collecting filter 51 includes a bag-shaped filter medium 52 and a mouth frame 54 provided on the opening side of the bag-shaped filter medium 52 and having a dust collecting port 53 formed therein. The dust collecting filter 51 is detachably mounted in the dust collecting chamber 14 with its mouth frame 54 being detachably held in a groove portion (not shown) formed in the holding plate 46. By mounting the dust collecting filter 51, the cylindrical insertion portion 25 of the lid 4 is inserted into the dust collecting port 53, and the packing 26 of the lid 4 is closely attached to the mouth frame 54 so as to surround the dust collecting port 53. Has been done.

An auxiliary filter 55 is detachably attached to the front surface of the partition wall 12 of the main body case 3.

On the other hand, 61 is a hose, and as shown in FIG. 3, this hose 61 is a bellows-shaped and freely bendable hose body 62, and a suction member of the rotary body of the cleaner body 1 provided at one end of the hose body 62. Bending cylindrical connection pipe that is detachably fitted to the mouth 32
63 and a bent cylindrical grip tube 64 provided at the other end of the hose body 62 so as to be rotatable in the circumferential direction, for example. Then, the connecting pipe 63 is urged by the spring 65 to rotate the rotating body.
A clamp 66 that is engaged with and disengaged from the locking hole 40 of 31 is movably supported.

Further, 67 is an extension pipe, and this extension pipe 67 is formed in a substantially cylindrical shape, and one end of the extension pipe 67 is detachably fitted and connected to the grip pipe 64 of the hose 61.

Further, 68 is a suction port body, and this suction port body 68 has a dust suction port (not shown) formed on the lower surface, and an extension pipe.
A connecting pipe 69, which is detachably fitted and connected to the other end of 67, is provided at the rear portion. A rotary brush (not shown) is rotatably supported in the suction port body 68 so as to face the dust suction port, and an electric motor (not shown) that drives the rotary brush is provided.

Further, as shown in FIG. 2, a connector 70 electrically connected to the power cord 15 is provided on the outer surface of the cleaner body 1, for example, the front surface.

On the other hand, in FIG. 3, reference numeral 71 is a power supply cord, and the cord 71 is detachably held along the outer peripheral surfaces of the hose 61 and the extension pipe 67. A connector 72 detachably connected to the connector 70 of the cleaner body 1 is connected to one end of the cord 71, and the other end of the cord 71 is
It is electrically connected to the electric motor of the suction port body 68.

Next, the operation of the above embodiment will be described.

For cleaning, connect the connecting tube 63 of the hose 61 to the cleaner body 1
The suction port body 68 is connected to the grip pipe 64 of the hose 61 via the extension pipe 67 while being connected to the suction port 32 of.

Then, at the time of cleaning, while holding the grip tube 64 of the hose 61, the hose 61 is appropriately rotated with respect to the cleaner body 1 by the rotating body 31, and the cleaner body 1 is appropriately moved by the wheel 18 and the swivel wheel 19. Meanwhile, the suction port body 68 is moved so as to face the object to be cleaned. Then, electric power is supplied from the cleaner body 1 to the electric motor of the suction port body 68 via the cord 71, the rotating brush is rotated, and dust is picked up from an object to be cleaned such as a carpet. Further, the dust that has been scraped up is sucked from the dust suction port of the suction port body 68 by the drive of the electric blower 13, and the extension pipe
It is guided to the dust collection chamber 14 from the suction port 32 via 67 and the hose 61, and is stored in the dust collection filter 51.

At this time, the inclined suction port 32 is rotatable,
In addition, since the connecting pipe 63 of the hose 61 connected to the suction port 32 is bent, the hose 61 can be easily oriented horizontally or upward. Then, as shown in FIG.
When the hose 61 is turned clockwise or counterclockwise, for example, by about 160 ° from the state of facing forward, the engaging portion 44 of the turning body 31 that turns together with the hose 61 is fixed to the cleaner body 1. The hose 61, which comes into contact with the restricting portion 45 and is connected to the rotating body 31, cannot rotate any more. That is, the rotation range of the hose 61 is restricted within the range of about 320 °.

Thus, the rotating body 31 rotatably provided on the cleaner body 1
Since the engaging portion 44 is provided in the cleaner body 1, and the regulating portion 45 that regulates the rotation range of the rotating body 31 that is engaged with the engaging portion 44 and connected to the hose 61 within a certain range is provided in the cleaner body 1, The hose 61 does not rotate more than necessary, and the hose 61 can always be smoothly rotated by the rotating body 61, which improves usability. Further, since the hose 61 is not twisted, the hose 61 can be prevented from being damaged.

Furthermore, by restricting the rotation range of the hose 61, it is possible to prevent the cord 71 from wrapping around the hose 61, so that the smooth rotation of the hose 61 is not impaired and the cord 71 is prevented from being damaged by twisting. it can.

Further, since the rotation range of the hose 61 is restricted by the engaging portion 44 provided in the rotating body 31 and the restriction portion 45 provided in the cleaner body 1, the hose 61 is restricted in the rotation range. There is no configuration, and the detachability of the hose 61 is not impaired.

(Effects of the Invention) According to the electric vacuum cleaner of the present invention, the engaging portion provided on the rotating body to which the hose is connected engages with the restricting portion provided inside the cleaner body to allow the rotating range of the rotating body. Is regulated within a certain range,
The rotation range of the hose is regulated, it is not necessary to provide a member for regulating the rotation range on the hose, the detachability of the hose is not impaired, and the power supply cord held along the hose is wrapped around the hose. This prevents the hose from rotating, and protects the cord and the like.

[Brief description of drawings]

FIG. 1 is a vertical side view showing an embodiment of the electric vacuum cleaner of the present invention, FIG. 2 is a perspective view of the same as above, and FIG. 3 is a side view of the same as above. 1 ... Vacuum cleaner body, 13 ... Electric blower, 14 ... Dust collection chamber,
31 …… Rotating body, 32 …… Suction port, 44 …… Engaging part, 45 …… Regulator, 61 …… Hose, 68 …… Suction port body, 70 …… Connector, 71 …… Cord.

Claims (1)

[Claims] Claim: What is claimed is: 1. A cleaner body having a connector on its outer surface, a built-in electric blower, and a dust collecting chamber communicating with the electric blower, and a suction port provided rotatably on the cleaner body. A tubular rotating body, a hose having one end inserted into the suction port and detachably connected to the rotating body, and a suction port body having a rotating brush driven by an electric motor and connected to the hose. A cord connected to a connector of the cleaner body and held along the hose to supply power from the cleaner body to the electric motor of the suction port body, the rotating body having an engaging portion, An electric vacuum cleaner, comprising: a regulating portion which is engaged with the engaging portion and regulates a rotation range of the rotating body within a predetermined range within a cleaner body.