JP2003000498A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum cleaner, in which a conductive wire built in the hose can be inserted and fixed to the extension provided in the ring rail, which has excellent workability and can also improve productivity. SOLUTION: Plurality of ring rails consisting of conductive wires electrically connected to the conductive wires of the hose and plurality of circular rail plates provided at the circumference of the rotary pipe are combined and provided at the opposite side of the hose on the rotary pipe. On the main body joint or the handy joint, plurality of contact segments which slide on and are electrically connected to the ring rails are arranged at the positions where they contact the ring rail circumference. The ring rail has the extension, which extends to the hose side from the end of winding along the direction of the rotary pipe axis, and the retainer plate as a unit, on which the ring supporters are mounted and fixed. The end of the extension at the hose side is formed in a way that the conductive wire built in the hose can be inserted, to connect the ring rails and the conductive wire.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner having a hose containing a plurality of conductive wires.

[0002]

2. Description of the Related Art In recent years, electric vacuum cleaners have a control circuit built in a hand joint of a grip portion to control the operation of an electric blower on the main body of the vacuum cleaner through a conductive wire in a hose connected to the hand joint. Many things are used. Specifically, a hand joint was provided at one end of the hose, a main body joint was provided at the other end of the hose at the intake port provided in the cleaner body, and the hand joint and the cleaner body were connected via the hose. . With such a vacuum cleaner, when cleaning by holding the hand joint side, the hand joint may be rotated for cleaning, or the hose may be twisted as it is moved by applying pulling force to the hose from the hand joint side. There is. Therefore, in order to eliminate the twist of the hose, a rotating mechanism is provided at least at the connecting portion between the hand joint or the body joint and the hose.

The structure described in Japanese Patent No. 2930059 shows a rotating mechanism portion provided between the main body joint and the hose. A plurality of conductive wires are buried in the hose, and the buried conductive wires are exposed at the ends of this hose.

A rotary pipe is mounted inside the end of the hose, and an annular rail base is mounted on the non-hose side of the rotary pipe, that is, on the body joint side. A plurality of rails are wound around the outer circumference of the rail base so that the contact provided on the inner surface of the tip pipe and the rail can slide.

For the rail, both ends of a single plate are bent inward, and the bent parts are overlapped to form an annular rail.
Moreover, one end of the lead wire is connected to one of the bent portions by welding. Further, with the above configuration, even when the hand joint is rotated, the rotary pipe is rotatable with respect to the hand joint, so that the hose is not twisted, and the hand joint rotates around the outer periphery of the rotary pipe. Since the rail and the contact point are slidably in contact with each other, the electrical connection can be maintained.

[0006]

However, in the above-mentioned conventional structure, in assembling the rotating mechanism, the lead wire is welded and the lead wire is led out from the space provided between the inner circumference of the rail base and the outer circumference of the rotary pipe. In particular, the lead wire is flexible, which is an obstacle to improvement in productivity.

The present invention solves the above problems and enables an inexpensive structure. Further, the conductive wire built in the hose can be inserted and fixed in the extension portion provided on the ring rail, and the workability is also improved. The purpose is to improve the sex.

[0008]

To achieve the above object, the present invention is characterized in that a hose containing a conductive wire and an intake port provided at one end of the hose and provided in a cleaner body. A main body joint connected to the hose, a hand joint provided on the other end side of the hose, a rotary pipe rotatably connecting the end portion of the hose to at least one of the body joint and the hand joint, and a conductive material for the hose. A plurality of conductive ring rails electrically connected to the wire and a plurality of annular rail stands provided on the outer circumference of the rotary pipe and around which the ring rail is wound are arranged on the anti-hose side of the rotary pipe. Provided integrally with the one of the main body joint or the hand joint, the contact piece composed of a plurality of slidingly and electrically connected to the ring rail is arranged at a position in contact with the outer circumference of the ring rail, The ring rail is integrally provided with an extension portion and a pressing portion extending from the winding end to the hose side in the axial direction of the rotary pipe, and the extension portion provided on the ring rail between a plurality of rail stands. Position the presser and the ring supporter on the upper surface, and fix it.
The shape of the end portion on the hose side of the extended portion is integrally provided with a shape into which a conductive wire built in the hose can be inserted, and the ring rail and the conductive wire are connected.

The present invention is also characterized by a hose containing a conductive wire, a body joint provided at one end of the hose and connected to an intake port provided in the cleaner body, and a hose other than the hose. It consists of a hand joint provided on the end side, a rotary pipe that rotatably connects the end portion of the hose to at least one of the body joint and the hand joint, and is electrically connected to the conductive wire of the hose. A ring rail formed of a plurality of rings and an annular rail stand provided on the outer periphery of the rotary pipe and around which the ring rail is wound are arranged on the side opposite to the hose of the rotary pipe and integrally provided, and either the main joint or the hand joint is provided. A plurality of contact pieces that slide on the ring rail and are electrically connected to each other are arranged at positions contacting the outer circumference of the ring rail, and the ring rail is different from the winding end. An extension part and a press part that extend to the hose side in the axial direction of the rotary pipe are integrally provided, and the extension part and the press part provided on the ring rail are positioned between a plurality of rail bases, and the upper surface thereof is provided. A ring supporter is connected to the ring rail by integrally arranging and fixing a ring supporter on each end, and integrally forming a shape of an end portion on the hose side of the extension portion having a spring property capable of inserting and fixing a conductive wire built in the hose. Especially.

According to the present invention, a hose containing a conductive wire, a body joint provided at one end of the hose and connected to an intake port provided in the cleaner body, and a hose provided at the other end of the hose. A hand joint, a rotary pipe that rotatably connects the end of the hose to at least one of the body joint and the hand joint, and a ring rail composed of a plurality of conductive members electrically connected to the conductive wire of the hose. And an annular rail base provided on the outer periphery of the rotary pipe and around which the ring rail is wound are arranged integrally with the anti-hose side of the rotary pipe, and the ring rail is provided on one of the main body joint or the hand joint. A plurality of contact pieces that slide and electrically connect are arranged at positions where they come into contact with the outer circumference of the ring rail, and the ring rail is located in the axial direction of the rotating pipe from its winding end. The extension part and the pressing part that extend to the hose side are integrally provided, and the extension part and the pressing part provided on the ring rail are positioned between a plurality of rail bases, and the ring supporter is provided on the upper surface thereof. It can be easily inserted by fixing and disposing, and by integrally providing the shape of the end of the extension portion on the hose side on the hose side to insert the conductive wire built in the hose and connecting the ring rail and the conductive wire. Further, according to the present invention, a hose containing a conductive wire, a body joint provided at one end of the hose and connected to an intake port provided in the cleaner body, and a hand provided at the other end of the hose. A joint, a rotary pipe that rotatably connects the end of the hose to at least one of the main body joint and the hand joint, and a ring rail made of a plurality of electrically connected electrically conductive wires of the hose. , An annular rail base provided on the outer periphery of the rotary pipe and around which the ring rail is wound is arranged on the side opposite to the hose of the rotary pipe and integrally provided, and is slidably attached to the ring rail on one of the main body joint and the hand joint. A plurality of contact pieces that move and electrically connect are arranged at positions contacting the outer circumference of the ring rail, and the ring rail is provided with a hoist in the axial direction of the rotary pipe from its winding end. The extension part and the pressing part that extend to the side are integrally provided, and the extension part and the pressing part provided on the ring rail are positioned between a plurality of rail bases, and the ring supporter is arranged on the upper surface thereof. The hose is held by connecting the ring rail and the conductive wire by integrally fixing the shape of the end portion of the extension part on the hose side that has a spring property into which the conductive wire built in the hose can be inserted and fixed. The work can be omitted, the work is easy, and the conductive wire can be prevented from coming off the ring rail.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. The structure of the entire vacuum cleaner is shown in FIG. One end of a hose 203 having a plurality of conductive wires embedded therein is connected to a main body joint 201 connected to an intake port of the cleaner main body 100,
A hand joint 202 having a handle portion is connected to the other end of the hose 203. The vacuum cleaner body 1 is attached to the hand joint 202.
00 has a built-in control circuit for controlling the operation of the electric blower, and is provided in the vicinity of the grip portion, the electric blower operation / stop switch, the switch for changing the suction amount of the electric blower, and the floor suction port 400. A rotating brush operation / stop switch is provided. Further, one end of an extendable extension pipe 300 is connected to the tip end side of the hand joint 202, and the floor suction port 400 is connected to the other end side of the extension pipe 300. A motor for rotating the rotary brush is built in the floor suction port 400, and electric power is supplied from the hand joint 202 to the motor of the floor suction port 400 via the extension pipe 300.

Next, the structure of the connecting portion between the main body joint 201 and the hose 203 will be described with reference to FIGS. 1 and 5 to 14. A plurality of conductive wires are embedded in the hose 203, and three conductive wires are used in this embodiment. Further, one end side of the rotary pipe 209 is inserted and fixed to one end of the hose 203, and the other end side of the rotary pipe 209 is connected to the main body joint 2.
01 is rotatably inserted. An annular rail base 210 is integrally provided on the outer circumference on the other end side of the rotary pipe 209, and is configured to rotate together with the rotary pipe 209.

Reference numeral 201 denotes a main body joint for connecting to the cleaner body 100, and 206 denotes a knob for connecting and fixing the cleaner body 100 and the body joint 201, which has a built-in spring and can be detached by pushing. It has a structure.

Reference numeral 205 denotes a main body joint cover 1 forming an outer peripheral surface of the main body joint 201, and the knob 20 is provided on the main body side.
A hole for positioning 6 is provided, and a contact piece 208 for electrically connecting to a ring rail 213 wound around a rail base 210 provided on a rotary pipe 209 is fixed to the hose 203 side by welding. In addition, a rib 252 for the purpose of preventing the rotary pipe 209 from coming off is integrally formed at a substantially central position.

Reference numeral 217 denotes a ring supporter shown in FIG. 10, which is intended to fix a ring rail 213 wound around a rail base 210 provided on the rotary pipe 209, and has a hook portion 218 provided integrally with the rotary pipe 209.
It is fitted with the convex portion 260 provided on the inner wall to prevent it from coming off.

Reference numeral 219 denotes a ring rail holding rib for holding the extended portion 230 and the holding portion 253 provided on the ring rail 213, which prevents the ring rail 213 from rising upward.

In this embodiment, the ring supporter 217 uses the same thing at all three places, and is commonly used.

Reference numeral 219 is a seal packing for keeping airtightness.

FIG. 7 shows the shape of the contact piece 208. When the shape portion of 212 serves as a contact portion and is incorporated into the main body joint 201, it comes into contact with the ring rail 213 and becomes conductive.

FIG. 8 shows the shape of the ring rail 213,
The extension portion 230 is integrally processed, and the end portion of the extension portion 230 on the hose side has a shape 214 into which a conductive wire contained in the hose can be inserted. In the example of FIG. 8, a coil shape is formed at the tip portion, and the conductive wire embedded in the hose 203 is fixed to the insert by soldering or the like. Further, the pressing portion 230 is also integrally processed at the same time, and the ring supporter 217 is incorporated to prevent the lifting.

In this embodiment, the ring rails 213 are made of the same material for all three parts and are commonly used.

FIG. 9 shows the shape of a ring rail 215 which is another embodiment. Similarly, the extension portion 240 is integrally processed, and the end portion of the extension portion on the hose side is formed into a shape 216 into which a conductive wire built in the hose can be inserted and fixed. Further, the pressing portion 230 is also integrally processed at the same time, and the ring supporter 217 is incorporated to prevent the lifting.

The ring rail 213 is 3 in this embodiment.
The same thing is used in all parts and is shared.

An example of FIG. 9 has a shape in which the tip end portion is provided with a spring property, and a conductive wire embedded in the hose 203 is inserted and fixed into the hose 203 from the side. L from the conductive wire diameter
Since the size of 1 is narrow, the conductive wire can be inserted and fixed in the assembly work.
There is an advantage that the work can be easily performed without holding such as connecting the conductive wire 03. Since the L2 dimension is configured to have a diameter substantially the same as the diameter of the conductive wire, adhesion is improved when soldering or the like.

The extending portion 230 or 240 is covered with the hose cover 204 and is protected from the outside.

Since one end of the extended portion is directly connected to the conductive wire embedded in the hose, no lead wire is required and the production process can be reduced at a low cost.

FIG. 11 is a state diagram in which the ring rail 213 is attached to the rotary pipe 209, and FIG. 12 is a state diagram in which the ring supporter 217 is attached from that state. FIG. 13 is a view showing a state in which a conductive wire is inserted into the ring rail tip portion of the ring rail 213 for the hose. FIG. 14 shows the contact piece 20.
8 is a diagram showing a positional relationship between 8 and a ring rail 213. FIG.

[0028]

According to the present invention, the rail is formed of a conductive material in the shape of a round bar, and the round bar such as a copper wire is formed into an annular shape.
There is an effect that the product can be easily produced by simply bending it so that one end thereof is extended, the productivity can be further improved, and the cost can be reduced. Also,
Since the conductive wire of the hose can be fixed, the work can be easily performed even when soldering work is performed, and the conductive wire does not easily come off the ring rail. Furthermore, by attaching a ring supporter to the outer periphery of the pressing portion on the ring rail, it is possible to prevent lifting and stabilize the quality.

[Brief description of drawings]

FIG. 1 is a diagram showing a partial cross-sectional view of a body joint portion according to an embodiment of the present invention.

FIG. 2 is a view showing a sectional view of a main body joint portion and a hand joint joint according to the embodiment of the present invention.

FIG. 3 is a diagram showing an overall view of a vacuum cleaner.

FIG. 4 is a diagram showing a state in which the main body joint portion is inserted into the main body.

5 (a) is a diagram showing a rear surface mounting state of the body joint cover 1 according to the embodiment of the present invention, and FIG. 5 (b) is a sectional view taken along the line AA.
FIG.

6A is a diagram showing a top view of a rotating pipe, FIG. 6B is a diagram showing a central sectional view of the rotating pipe, and FIG. 6C is a diagram showing a section AA.

7A is a diagram showing a front view of a contact piece according to an embodiment of the present invention, and FIG. 7B is a diagram showing a side view.

FIG. 8 is a diagram showing a perspective view of a ring rail according to the embodiment of the present invention.

FIG. 9 is a diagram showing a perspective view of a ring rail with another structure according to an embodiment of the present invention.

FIG. 10 is a diagram showing a perspective view of a ring supporter according to an embodiment of the present invention.

FIG. 11 is a diagram showing a ring rail attached state according to the embodiment of the present invention.

FIG. 12 is a view showing a ring supporter attached state according to the embodiment of the present invention.

FIG. 13 is a ring rail according to an embodiment of the present invention,
It is a figure which shows a ring supporter and a hose attachment state.

FIG. 14 is a diagram showing a positional relationship between the contact piece and the ring rail according to the embodiment of the present invention.

[Explanation of symbols]

100 ... Vacuum cleaner main body, 200 ... Hose group, 201 ... Main body joint, 202 ... Hand joint, 203 ... Hose, 204 ... Hose cover, 205 ... Main body joint cover 1, 206 ... Knob, 207 ... Lead wire, 208 ... Contact piece , 209 ... Rotating pipe, 210 ... Rail base, 211 ... Ring rail insertion groove, 212 ... Contact portion, 213 ... Ring rail, 214 ...
Ring rail end portion, 215 ... Ring rail (another embodiment), 216 ... Ring rail end portion, 217 ... Ring supporter, 218 ... Hooking portion, 219 ... Ring rail restraining rib, 220 ... Control board, 221 ... Grip portion, 222 ... Hand joint cover, 223 ... Connector lead wire, 230 ... Extension part, 252 ... Rib, 253 ... Retaining part, 260 ... Claw part, 300 ... Expansion extension pipe, 400 ... Floor sucker.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Atsushi Yamaguchi             1-1-1 Higashitaga-cho, Hitachi City, Ibaraki Prefecture             Inside the ceremony company Hitachi Taga Electronics F-term (reference) 3B057 BA24 BA25 DE05

Claims (7)

[Claims] 1. A hose containing a conductive wire, a body joint provided on one end side of the hose and connected to an intake port provided on a cleaner body, and a hand joint provided on the other end side of the hose. A rotary pipe that rotatably connects the end portion of the hose to at least one of the main body joint and the hand joint; a ring rail made of a plurality of conductive members that is electrically connected to a conductive wire of the hose; A rail stand, which is provided on the outer circumference of the rotating pipe and is made up of a plurality of annular rings around which the ring rail is wound, is arranged on the opposite side of the hose side of the rotating pipe and is integrally provided, and slides on the ring rail on one of the body joint and the hand joint. Then, a plurality of electrically connecting contact pieces are arranged at positions contacting the outer circumference of the ring rail, and the ring rail is connected to the hose in the axial direction of the rotary pipe from its winding end. The extension part and the pressing part which extend to the above are integrally provided, and the extension part and the pressing part provided on the ring rail are positioned between a plurality of rail bases, and the ring supporters are respectively arranged and fixed on the upper surface thereof. A vacuum cleaner, characterized in that the hose side end shape of the extended portion is integrally provided with a shape into which a conductive wire built in the hose can be inserted, and a ring rail and the conductive wire are connected. 2. A hose containing a conductive wire, a body joint provided on one end side of the hose and connected to an intake port provided on the cleaner body, and a hand joint provided on the other end side of the hose. A rotating pipe that rotatably connects the end of the hose to at least one of the main body joint and the hand joint, a ring rail made of a plurality of conductive members that is electrically connected to the conductive wire of the hose, and the rotating pipe. An annular rail stand, which is provided on the outer circumference of the pipe and around which the ring rail is wound, is arranged on the anti-hose side of the rotary pipe and is integrally provided. A plurality of contact pieces that are connected to each other at a position where they contact the outer circumference of the ring rail, and the ring rail extends from the winding end to the hose side in the axial direction of the rotary pipe. The extension part and the holding part are integrally provided, and the extension part and the holding part provided on the ring rail are positioned between a plurality of rail bases, and the ring supporters are respectively arranged and fixed on the upper surface of the extension part and the holding part. An electric vacuum cleaner characterized in that the end portion of the installation portion on the hose side is integrally provided with a shape having a spring property capable of inserting and fixing a conductive wire contained in the hose, and the ring rail and the conductive wire are connected. 3. The electric vacuum cleaner according to claim 1, wherein the extending portion of the ring rail is formed in a substantially cylindrical shape. 4. The electric vacuum cleaner according to claim 1, wherein the ring rail is formed in a round bar shape and made of a conductive material. 5. The electric vacuum cleaner according to claim 1, wherein the plurality of contact pieces have the same shape. 6. The electric vacuum cleaner according to claim 1 or 2, wherein the plurality of ring rails have the same shape. 7. The vacuum cleaner according to claim 1, wherein the plurality of ring supporters have the same shape.