JPH02182227A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To allow a hose to be prevented accurately from being twisted by making at least one side of the hose, an insert pipe side or an operation pipe side free to be rotated. CONSTITUTION:At the end part of a hose 15, a rotary pipe 26 to be fitted into an inserted pipe 17 rotatably is fixed. A suction port 14 of vacuum cleaner body 13 is created imperfectly round to allow even a box part 56 to be fitted. Therefore, the insert pipe 17 put into the suction port 14 is whirl-stopped and fixed with a clamp 16. Now, if the hose 15 gets twisted, the rotary pipe 26 will rotate in the inserted pipe 17 against the twist and undo it. Therefore, the hose 15 is not added a compulsory force and does not get entangled by being twisted so that the usability is improved that much more.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a so-called non-adjustable vacuum cleaner in which the main body of the vacuum cleaner is moved via a hose.

Conventional technology 5 Bae.

Conventionally, in this type of vacuum cleaner, one end of the hose was inserted and fixed into the air intake port of the vacuum cleaner body. However, in this case, when the hose is twisted, excessive force is applied, causing damage. Therefore, as shown in FIG. 9, it has been proposed that an intake port is formed on the upper surface side of the vacuum cleaner main body 1, and a bent insertion pipe 3 connected to one end of a hose 2 is rotatably inserted thereinto.

Problems to be Solved by the Invention However, in the configuration shown in FIG. 9, the twisting will not occur unless the hose 2 performs a so-called revolving movement with the radius approximately equal to the insertion pipe 3. Therefore, unless the operator consciously rotates the hose 2, it will only revolve once the degree of twisting has progressed considerably, and this revolution cannot completely untwist the hose 2. was easily damaged.

The present invention has solved such conventional problems, and an object of the present invention is to provide a vacuum cleaner that reliably prevents twisting of the hose.

Step 6 to Solve the Problem = 7 The first means to achieve the above objective is a vacuum cleaner body that has an electric blower, a dust collector, etc., and a vacuum cleaner that is inserted into the intake port of the vacuum cleaner body. A hose is provided with an insertion pipe at one end, an operation pipe connected to a floor nozzle and an extension pipe at the other end, and at least one of the insertion pipe side or the operation pipe side of the hose is rotated. The second means is a rotary pipe connected to the end of the hose, and the rotary pipe is rotatably fitted to the insertion pipe or the operation pipe. Includes electric blower and electric controller.

A floor nozzle is connected to a vacuum cleaner body having a dust collector, etc., and an insertion pipe equipped with a remote control terminal that is inserted into the intake port of the vacuum cleaner body and electrically connected to the electric controller. conductive wires, each having an operation pipe at the other end with an extension pipe connected thereto, a part of which is provided with a remote control operation body, and electrically connecting the remote control terminal and the operation body; A rotary pipe provided at the end of the hose is rotatably fitted into at least one of the insertion pipe or the operating pipe, and one of these fitting parts is provided with a hose wrapped with A pair of ring-shaped rails made of conductive material, a pair of contact pieces that contact the rails are attached to the other, and the rails and contact pieces are embedded in a part of the remote control system path. In a fourth means, in the third means, an annular rail base provided with a rail on the outer periphery is fitted externally to the rotary pipe while being prevented from rotating, and on the other hand, the insertion pipe and
A contact piece is attached to the dimension control pipe. Fifth
The means are electric blowers and electric controllers.

A vacuum cleaner body having a dust collector, a remote control terminal inserted into the intake port of the vacuum cleaner body and electrically connected to the electric controller, and an insertion pipe provided with a power supply terminal. One end is connected to a floor nozzle containing an agitator and its driving electric motor, an extension pipe equipped with a power supply line to the electric motor is connected, and a remote control operation body and a part of the operation control operation body for the electric motor are connected. each has an operating pipe arranged at the other end thereof, and electrically connects the terminal for remote control, a conductive wire that electrically connects the operating body, and the power supply terminal and the operating body for controlling the operation of the electric motor. A rotary pipe provided at the end of the hose is rotatably fitted to at least one of the insertion pipe or the operating pipe, and one of the fitting parts is provided with a conductive material. Two pairs of ring-shaped rails are attached to the other side, two pairs of ring-shaped rails that contact the same rail are attached to the other side, and two pairs of contact pieces that are in contact with the same rail are attached to the other side. The sixth means includes each of the above-mentioned contact pieces in a substantially mountain shape, and both pieces are connected to two locations in the circumferential direction of the ring-shaped rail. I made contact with. A seventh means is that in the sixth means, two annular rail stands each having a pair of rails on the outer periphery are fitted externally to the rotary pipe while being prevented from rotating, and on the other hand, the insertion pipe and Alternatively, two pairs of contact pieces were attached to the operating pipe. The eighth means is that each of the adjacent inner rails of the two annular rail stands is set for remote 9 page control, and each outer rail is set for power supply. The rail has an axial cut from both ends, while the rail is made by forming a band of conductive material into a ring shape, joining both ends, bending it toward the center, and inserting the bent part into the above cut to form the rail. A rail is attached to the outside of the stand. A tenth means is to shift the positions of the respective cuts in the circumferential direction.

Function In the above-mentioned main body invention, in the first and second means, when the hose is twisted, at least one of the insertion pipe or the operating pipe portion rotates on its own axis to untwist it.

Further, in the third and fourth means, a remote control signal is transmitted to the cleaner body via the rail and the contact piece.

Further, in the means 'iS5 and γ, in addition to the remote control signal, power is also supplied to the electric motor for driving the agitator of the floor nozzle.

In the sixth means, the contact between the rail and the contact piece is improved, and an uneven load is not applied to the joint piece.

In the eighth means, the voltage applied between the power supply rail and the contact piece makes it difficult for dust to enter between the remote control rail and the contact piece.

In the ninth means, it is possible to attach the rail to the rail base with a simple operation of inserting the bent part into the notch, and in the tenth means, the end connections of the rails are aligned in the same axial direction. Therefore, the contact resistance with the contact piece can be reduced.

Example Examples thereof will be described below with reference to FIGS. 1 to 8.

In the figure, a vacuum cleaner main body 13 having an electric blower 11, an electric controller 12, a dust collector, etc. has an air intake port 14 formed on its front surface. On the other hand, the hose 16 has an insertion pipe 1a fitted to the intake port 14 and fixed via a buckle 16 at one end thereof, and an operation pipe 18 bent at an obtuse angle at the other end. ing. 19 is an extension pipe connected to the operation pipe 18, and an agitator 2 is attached to the tip.
011 page and a floor nozzle 22 containing a drive motor 21 therein. The operation pipe 18 is provided with an operation body 23 for remotely controlling the electric blower 11 and an operation body 24 for controlling the electric motor 21 of the floor nozzle 22. The signal is transmitted to the electric controller 12 via a conductive wire (described later) embedded in the hose 15, and controls the rotation speed of the electric blower 11, etc. In addition, another conductive wire (described later) for power supply is also buried in the hose 15, and is connected from the vacuum cleaner body 13 to the floor nozzle via a cord 25 that runs along the operating body 24 and the extension pipe 19. This allows power to be supplied to 22 electric motors 21.

Of course, it is possible to control the start and stop of the electric motor 21 by operating the operating body 24.

Next, the connection structure between the hose 16 and the insertion pipe 17 will be described in detail. A rotating pipe 26 that rotatably fits into the insertion pipe 17 is fixed to the end of the hose 15. The rotary pipe 26 has two annular grooves 27 on the outer circumferential surface of its tip.
．． 28, and a flange 31 in which a plurality of lead wire locking grooves 3o are cut from the stepped outer circumferential portion 29 is provided approximately at the center in the longitudinal direction. 32 is the flange 31 and the groove 2
A plurality of ribs formed in the longitudinal direction of the outer circumference of the rotary pipe 26 between the flange 3 and the flange 3.
It has an upwardly protruding portion 33 on the first side.

On the other hand, reference numerals 34 and 35 designate two annular rail stands that fit on the front outer periphery of the flange 31 of the rotary pipe 26. Rotation is stopped. Also rotating pipe 2
60 In order to perform positioning in the circumferential direction, a recess 38 that engages with the protrusion 33 is provided at the rear end edge of one rail base 35, and a recess 38 that engages with the protrusion 33 is formed between the front end edge of this rail base 35 and the other rail base 3.
4 are formed with recesses and protrusions 39 and 40 that engage with each other, respectively.

Note that the reason why the lip 32 having the protruding portion 33 is made longer than the others is because the rail stand 34.
This is to facilitate the alignment of 35. Rail stand 34
．． Two grooves are formed in each of the 13 grooves in the circumferential direction of the outer peripheral surface of the 35, and a ring-shaped rail (41, 42, 43, 44) is attached to each groove. Further, cuts 45, 46 extending from the front and rear edges of the rail base 34, 35 to the grooves are formed with different phases in the same direction.

The rails 41 to 44 are made of a ring-shaped conductive material, joined at both ends, and bent toward the center.Then, the diameter is expanded and fitted into the groove, and the bent portions 47 to 5 degrees are cut 45. 46
It can be attached to the rail stand 34, 35 by inserting it through and folding it back to both sides. Since the incisions 46 and 46 have different phases in the circumferential direction as described above, the seams of rays 41 to 44 do not line up on the same line in the axial direction. From this,
Rail stands 34 and 35 in the circumferential direction of the rotating pipe 26
It can be seen that there is a reason for performing the alignment.

Adjacent rails/L'42 and 43 of the rail stand 34.35 are used for remote control, and the outer rail 41.4
4 are respectively set for power supply to the electric motor 21. Therefore, the lead wire 48a soldered to the bent portion 48.49 of the rail 42, 43147, -7
, 49a are soldered to the remote control conductive wire 51.52 of the hose 15, while the lead wires 47a and 50a soldered to the bent portion 47.50 of the relay/L'41.44 are also connected to the power supply conductive wire 63. 64 respectively.

Each of the above lead wires 47a.

48a, 49a, 50a are the rotating pipe 26 and the rail stand 3
4.35, and the lead wire locking groove 30 of the flange 31 locks and holds the wire in the middle.

Reference numeral 55 denotes a cover that covers the connecting portions between the lead wires 47a to 50a and the conductive wires 61 to 54 (see FIGS. 3 and 4).

Next, an elongated box portion 56 is provided on the outer peripheral surface of the insertion pipe 17 in the longitudinal direction. This box portion 56 consists of a frame-shaped lip 57 formed on the outer peripheral surface of the insertion pipe 17 and a lid 6.
It consists of 8.

Insert the claw 59 at one end of the lid 68 and the hook 60 for the pipe 1.
It is fixed by hooking it on the other side and tightening the screw 6 on the other side.

The buckle 16 is movably attached to the front side of the box portion 56, and is always urged in the locking direction via a spring 62. Also, on the back side of the lid 58, there are four contact pieces 63, 64, 65. □66 is installed in parallel. These contact pieces 63 to 66 are electrically conductive plates having spring properties formed into a substantially mountain shape, and are fixed by passing through a protrusion 67 provided on the top wall thereof and projecting downward from the lid 58 and being thermally deformed. (See Figure 7). and each contact piece 63
Both free ends of ~66 pass through a pair of elongated holes 68 formed in a portion of the insertion pipe 17 surrounded by the ribs 57, so that they simultaneously contact the previous rails v41~44 at a predetermined angle. It's Nishide. Here, the adjacent contact piece 64.65ilJ
It is for remote control, and corresponds to L'42.43 for remote control, and the front and rear contacts 63.66 are for power supply and correspond to L'41.44.

To the front of the box part 56 is a pair of glue mote control terminals 6 connected to contact pieces 64 and 65 with lead wires.
9 and To are protruded, and a pair of power supply terminals 1 and 72 connected to contact pieces 63 and 66 by lead wires are protruded from both sides of the front part.

When the rotary pipe 26 is fitted inside the insertion pipe 1, the stepped rear opening of the insertion pipe 1 is connected to the flange 31.
It fits into the stepped outer circumferential portion 29 and the titling ring 3. A titling ring 4 that contacts the inner peripheral surface of the insertion pipe 17 is still attached to one of the concave grooves 27 of the rotary pipe 26. The tight ring 73 is formed with a lip 76 that is inserted into the lead wire locking groove 3° of the flange 31 and prevents the lead wires 47a to 50a from coming off.

Furthermore, a protrusion 7 is provided in the other concave groove 28 of the rotary pipe 26 vertically from the lid 68 and penetrates through the through hole 76 of the insertion pipe 17.
7 is fitted to prevent it from coming out (see Figure 6).

In the above configuration, the air intake port 14 of the cleaner body 13 is set to have a non-perfect circular shape into which the box portion 56 can also be fitted.

Therefore, the insertion pipe 1 inserted into the intake port 14
The end is stopped from rotating and fixed with a buckle 16.

Page 17 Therefore, the insertion pipe 1 inserted into the intake port 14
7 is prevented from rotating and fixed with a buckle 16.

If a twist occurs in the hose 15, the rotary pipe 26 rotates within the insertion pipe 17 by the amount of twist to undo the twist. Therefore, there is no need for excessive force to be applied to the hose 15, and the hose 15 is not twisted into a so-called dumpling shape, thereby improving usability.

In the above embodiment, an electrical connection means corresponding to rotational movement is added between the insertion pipe 17 and the rotating pipe 26, so even if the rotating pipe 26 rotates with respect to the insertion pipe 1, the electric There is no problem with remote control of the blower 11 and power supply to the drive motor 21 of the agitator 2o in the floor nozzle (v22).

Specifically, the signal from the remote control operating body 23 provided on the operating pipe 18 is transmitted from the conductive wires 51 and 52 of the hose 16 to the lead wire 48a.

49 ; 1-+ Leah +/42, 43 → contact piece 64, 65
-) The power is transmitted to the page motor control terminals 64 and 65 and flows to the electric controller 12 via the wiring inside the vacuum cleaner body 13. This electric controller 12 increases, decreases, or stops the rotational speed of the electric blower 11 according to input signals from time to time.

On the other hand, the power applied to the vacuum cleaner body 13 is connected to the power supply terminal 71.
, 72 → contact piece 63.66 → rail 41° 44 → lead wire 47a, 5 oa → conductive wire 53.54 of hoe 7.15 → flow with operating body 24 of operating pipe 18, then cord 26
It is supplied to the electric motor 21 in the floor nozzle 22 via.

The agitator 2o in the floor nozzle/L/22 is rotated when the surface to be cleaned is a carpet, etc., and is normally stopped when the surface to be cleaned is a carpet or the like. Therefore, the start/stop control of the agitator 20 depending on the surface to be cleaned can be performed by turning off the power supply to the staining machine 21 using the operating body 24. Furthermore, if necessary, the input to the electric motor 21 can be varied using the operating body 24 to control the rotational speed of the agitator 20 itself.

Here, 19 l of the insertion pipe 17 and the rotating pipe 26
The operation of the electrical connection means provided between ＼ and ノ will now be described.

First, each of the contact pieces 63 to 66 has a substantially mountain-shaped shape and is brought into contact with the rails 41 to 44 at both ends, which not only ensures reliable electrical connection, but also allows the contact pieces 63 to 66 to No unbalanced load is applied to the structure, and rattling does not occur. In other words, a simple contact piece attachment means can be employed. Also a pair of le/L'41,4
Since 2, 43 and 44 are attached to the rail base 34 and 35, it is easy to convert the remote control into a single function, and the rail attachment itself is also easy.

Moreover, since the two rail stands 34 and 36 are unitized by the engagement of the concave and convex portions 39 and 40, the rotary pipe 2
6 can be easily installed.

Since the rails 41 to 44 are arranged on the rail bases 34 and 35 with their joints changing in phase, the contact pieces 63 to 44
6 does not come into contact with the seam at the same time, and accordingly,
Rotation of the rotary pipe 26 is smoothed.

Furthermore, electrical connections for relatively low-voltage remote controls, ie rails 42 , 43 .

With contact pieces 64, 65 on the inside, electrical connections for relatively high voltage power supply, ie rails 41, 44 . Contact piece 63.66
The reason for placing it on the outside is to repel dust at the high-voltage electrical connections for power supply and prevent it from entering the low-voltage electrical connections for remote control. Therefore, this improves the performance of the remote control function.

The spirit of the present invention is to prevent twisting of the hose 16,
The electrical connection means between the insertion pipe 17 and the rotating pipe 26 is an accessory, and even if the above-mentioned electrical connection means is added, it is not used for remote control or for power supply to the electric motor 21 in the floor nozzle (v22). It is also conceivable to use only one side for this purpose.

Further, the rotating portion may be provided on the operation pipe 18 side, or may be provided on both sides.

Effects of the Invention As described above, according to the present invention, since the twisting of the hose is substantially eliminated, damage to the hose can be reduced, the life characteristics can be improved, and the usability is also significantly improved.

The additional electrical connection means allows reliable power supply to the remote control of the electric blower inside the vacuum cleaner body and the electric motor for driving the agitator provided inside the floor nozzle. Furthermore, even with the addition of the above-mentioned electrical connection means, the rotational performance of the rotating portion can be maintained satisfactorily. Furthermore, the electrical connection means is easy to assemble and process, and the connection itself is reliable, providing excellent effects.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of a main part showing an embodiment of the present invention, Fig. 2 is an overall perspective view, Fig. 3 is a perspective view of the insertion pipe side of the hose, Fig. 4 is a partially cutaway plan view of the same, Fig. 5 is a plan view of the rotating pipe section, Fig. 6 is a side sectional view of the main part, Fig. 7 is a front sectional view of the same,
FIG. 8 is a back view of the lid, and FIG. 9 is a side view showing a conventional example. 11... Electric blower, 12... Electric controller, 13... Vacuum cleaner body, 14...
Intake port, 16...Hoe 22 H/S, 17...Insert pipe, 18...Operation pipe, 19...Extension pipe, 20...・・・
...Agitator, 21...Electric motor, 22...
...Floor nozzle, 23... Operating body (for remote control), 24... Operating body (for controlling operation of electric motor), 26... Rotating pipe, 34,
35...Rail stand, 41, 42, 43.
44...Rail, 45.46...Cut, 47,48°49.50...Bend portion, 5
1,52... Conductive wire (remote controller/L
), 53164... Conductive wire (for power supply), 6
3,64,65.66... contact piece, a9,7o・
...Remote control terminal, 71.72.
...Power supply terminal. Name of agent: Patent attorney Shigetaka Awano and one other person.Relationship with 1999 Patent Application No. 2431 of 1999, Person Amending the Name of an Invention for a Vacuum Cleaner Patent Attorney: Shigetaka Awano and 1 other person: Patent Application Office: Osaka Prefecture 1006 Kadoma, Kadoma City Name (5g2)
Matsushita Electric Industrial Co., Ltd. Representative Akira Tanii Yuyo Masato 571 Address 1006-6 Oaza Kadoma, Kadoma City, Osaka Prefecture Amended "incomplete" on page 5, line 15 of the detailed statement of amendments to "sufficient" Masu. Detailed description of the invention in the specification subject to amendment

Claims (10)

[Claims] (1) A vacuum cleaner body that has an electric blower, a dust collector, etc., and an operation pipe that has one end connected to an insertion pipe that is inserted into the intake port of the vacuum cleaner body and an extension pipe that communicates with the floor nozzle. A vacuum cleaner comprising a hose provided at each end, and at least one of the insertion pipe side and the operation pipe side of the hose is configured to be rotatable. (2) The vacuum cleaner according to claim 1, wherein a rotary pipe is connected to the end of the hose, and the rotary pipe is rotatably fitted to the insertion pipe or the operating pipe. (3) A vacuum cleaner body that includes an electric blower, an electric controller, a dust collector, etc., and a remote control terminal that is inserted into the intake port of the vacuum cleaner body and electrically connected to the electric controller. One end of the insertion pipe is connected to an extension pipe that communicates with the floor nozzle, and the other end has an operation pipe with a remote control operation body disposed in a part, and the remote control terminal and operation a hose wrapped with a conductive wire for electrically connecting the body, a rotary pipe provided at the end of the hose is rotatably fitted to at least one of the insertion pipe or the operation pipe, and the fitting A pair of ring-shaped rails made of conductive material is attached to one side of the part, and a pair of contact pieces that contact the rail are attached to the other side, and the rails and contact pieces are used as part of the remote control system path. Included vacuum cleaner. (4) An annular rail base provided with a rail on the outer periphery is externally fitted to the rotary pipe while being prevented from rotating, while a contact piece is attached to the insertion pipe and/or the operation pipe. Vacuum cleaner. (5) A vacuum cleaner body having an electric blower, an electric controller, a dust collector, etc.; a remote control terminal that is inserted into the intake port of the vacuum cleaner body and electrically connected to the electric controller; A plug-in pipe equipped with a power supply terminal is connected at one end to a floor nozzle containing a built-in agitator and its driving electric motor, and an extension pipe equipped with a power supply line to the electric motor is connected to the remote control operating body and the electric motor. each having an operation pipe at the other end with an operation control operation body disposed in a part thereof, and a conductive wire electrically connecting the remote control terminal, the operation body, and the power supply terminal and the operation control of the electric motor. a hose wrapped with a conductive wire that electrically connects the operating body, and a rotary pipe provided at the end of the hose is rotatably fitted to at least one of the insertion pipe or the operating pipe; A pair of ring-shaped rails made of conductive material is attached to one side of the mating part, and two pairs of contact pieces that contact the rail are attached to the other side, and the rails and contact pieces are connected to the remote control system and the electric motor. A vacuum cleaner that is included as part of the power supply system. (6) The vacuum cleaner according to claim 3 or 5, wherein each contact piece is formed into a substantially mountain shape so that both pieces come into contact with two places in the circumferential direction of the ring-shaped rail. (7) Two annular rail stands each having a pair of rails on the outer periphery are fitted externally to the rotary pipe with a rotation stopper, while the insertion pipe and/or operation pipe are fitted with two pairs of connecting rails. 6. The vacuum cleaner according to claim 5, further comprising a piece attached thereto. (8) The vacuum cleaner according to claim 7, wherein the adjacent inner rails of the two annular rail stands are set for remote control, and the outer rails are set for power supply. (9) The rail base has an axial cut from both ends, while the rail is made of a band-shaped conductive material in a ring shape, and both ends are joined and bent toward the center, and the bent part is cut into the above-mentioned cut. Claim 4: The rail is attached to the outer periphery of the rail base by inserting the rail into the rail base.
Or the vacuum cleaner described in 7. (10) The vacuum cleaner according to claim 9, wherein the positions of each notch are shifted in the circumferential direction.