JP2000166831A - Hose body for electric vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hose body for an electric vacuum cleaner which does not twist. SOLUTION: In an electric vacuum cleaner equipped with a flexible hose one end of which is connected detachably to the suction port of the electric vacuum cleaner main body through a main body pipe and the other end of which is connected to an extension hose through an at-hand pipe, the flexible hose is constituted by dividing the hose into first and second flexible hoses 4a and 4b, and at joint sections of the first and second flexible hoses, a joint ring 17 is arranged. At the same time, to both ends of the joint ring 17, joint pipes 18 and 19 are attached rotatably in the circumferential direction, and on the outer peripheries of respective joint pipes, the end sections of the first and second flexible hoses 4a and 4b are respectively fixed and attached, and the hose body for an electric vacuum cleaner is obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a hose body of a vacuum cleaner.

[0002]

2. Description of the Related Art FIG. 5 is a schematic perspective view of a vacuum cleaner provided with a conventional hose body. As is apparent from FIG. 5, the hose body of the conventional vacuum cleaner has a suction hose 3 and two hoses. And extension pipes 5 and 6 having suction ports 14 detachably attached to the ends thereof, and a hand pipe 8.

The suction hose 3 is provided with a flexible hose 4 connected to extension hoses 5 and 6 through a hand pipe 8, and a suction port of the vacuum cleaner main body 1 provided at one end of the flexible hose 4. 2 and a main body pipe 7 which is removably inserted into the main body 2.

As shown in FIG. 6, when the main body pipe 7 is inserted into the suction port 2 of the vacuum cleaner main body 1, the main body pipe 7 engages with the inner wall of the suction port 2 as shown in FIG. A self-return locking button 9 for stopping is provided.

The locking button 9 is held on the outer peripheral side wall of the main body pipe 7 by a holding body 10 so as to be slidable in the diameter (vertical) direction of the main body pipe 7, and is always diametrically provided by a contracted coil spring 11. And is elastically supported. The holding body 10 is fixed to the main body pipe 7 with screws 13.

As shown in FIGS. 6 and 7, both ends of the flexible hose 4 are fitted and fixed to the outer circumferences of the main body pipe 7 and the hand pipe 8. The outside is covered with covers 12 and 23 fitted to the main pipe 7 and the hand pipe 8.

[0007]

The hose body of the conventional vacuum cleaner is constructed as described above. However, when the forward, backward, right and left turns are repeatedly performed during the cleaning operation,
There is a problem that the hose body is twisted, and a burden is applied to the hand pipe 8 and the flexible hose 4, which are damaged.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the conventional air conditioner, and the hose body of the vacuum cleaner of the present invention described in claim 1 is an electric cleaner. A vacuum cleaner having a flexible hose detachably connected to a suction port of the cleaner body via a main body pipe, wherein the two flexible hoses are rotatably connected to each other in a circumferential direction by joining means. The flexible hose is characterized in that:

According to this configuration, the two flexible hoses are rotatable at the joint means. As a result, the flexible hose can rotate freely in its longitudinal direction, and does not twist.

According to a second aspect of the present invention, the hose body of the vacuum cleaner of the present invention has one end detachably connected to a suction port of the vacuum cleaner main body through a main body pipe and the other end extended through a hand pipe. A flexible hose connected to the hose, wherein the flexible hose comprises first and second flexible hoses, and is joined to a joint of the first and second flexible hoses; A ring is arranged, and joining pipes are attached to both ends of the joining ring so as to be rotatable in a circumferential direction, and ends of the first and second flexible hoses are fixed to the outer periphery of each joining pipe, respectively. It is characterized in that it is attached by mounting.

According to this structure, the joining pipe can be freely rotated by the joining ring. As a result, the first and second flexible hoses can also rotate freely in the longitudinal direction, so that they do not twist.

According to a third aspect of the present invention, the hose body of the vacuum cleaner comprises a flexible hose detachably connected to a suction port of the vacuum cleaner main body via a main body pipe. A splicing pipe is attached to an end of the main pipe so as to be rotatable in a circumferential direction, and an end of the flexible hose is fixedly attached to an outer periphery of the splicing pipe.

According to this structure, the connecting pipe is attached to the end of the main body pipe detachably attached to the suction port of the vacuum cleaner main body so as to be rotatable in the circumferential direction, and the flexible hose is attached to the outer periphery of the connecting pipe. Is fixed and attached, so that the flexible hose can be rotated in the circumferential direction with respect to the main pipe through the joint pipe. As a result, the flexible hose can be prevented from being twisted, and no burden is placed on the hand pipe or the flexible hose.

According to a fourth aspect of the present invention, the hose of the vacuum cleaner has one end detachably connected to a suction port of the main body of the vacuum cleaner through a main body pipe and the other end extended through a hand pipe. A flexible pipe connected to the pipe is attached to the end of the hand pipe so as to be rotatable in a circumferential direction, and the end of the flexible hose is fixed to the outer periphery of the joint pipe. It is characterized in that it is attached by mounting.

According to this configuration, the connecting pipe is rotatably mounted in the circumferential direction on the end of the hand pipe, and the end of the flexible hose is fixed and mounted on the outer periphery of the connecting pipe. The flexible hose can be rotated in the circumferential direction with respect to the hand pipe via the joint pipe. As a result, the flexible hose can be prevented from being twisted, and no burden is placed on the hand pipe or the flexible hose.

According to a fifth aspect of the present invention, there is provided the hose body of the vacuum cleaner according to any one of the first to fourth aspects. It is characterized in that a covering cover is provided. This protects the end of the flexible hose.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is an external perspective view of a vacuum cleaner having a hose body of the vacuum cleaner according to the present invention. In this figure, reference numeral 1 denotes a main body of the vacuum cleaner, and 3 denotes a main body of the vacuum cleaner. A suction hose detachably attached to the suction port 2 of the suction hose 8; a hand pipe connected to one end of the suction hose 3;
Reference numeral 6 denotes an extension hose connected to one end of the hand pipe 8 and joined to each other. A suction port 14 is detachably attached to a tip of the extension hose.

The suction hose 3 includes two flexible hoses 4a and 4b connected to each other by a joint 15 and a suction port 2 of the vacuum cleaner main body 1 provided at one end of the flexible hose 4a. And a main body pipe 7 which is detachably inserted into the main body pipe 7.

The main body pipe 7 is detachably inserted into the suction port 2 of the main body 1 of the electric vacuum cleaner. As shown in FIG.
A self-returnable locking button 9 that locks to the inner wall of the suction port 2 when inserted into the suction port 2.

The locking button 9 is provided on the outer peripheral side wall of the main body pipe 7 by a holding body 10 so that the diameter (up and down) of the main body pipe 7 is maintained.
The holding body 10, which is held so as to be slidable in the direction and is constantly urged outward by a contracted coil spring 11 and is elastically supported, is fixed to the main body pipe 7 with screws 13. .

The body pipe 7 has a slightly smaller diameter at the end connected to the flexible hose 4a.
A groove-shaped joint 7a is provided along the periphery.
A stopper 7b is formed at the tip of the joint 7a.

A connecting pipe 16 is rotatably attached to the connecting portion 7a by an engaging rib 16a formed along a peripheral edge of the end portion. Is fixed at one end. A cover 12 covers the flexible hose 4a, and is fitted to the main pipe 7.

FIG. 3 is a view showing a connection relationship between the two flexible hoses 4a and 4b by the above-mentioned joint 15. As shown in FIG. 3, the joint 15 has joints 17a and 17b at both ends. A joining ring 17, joining pipes 18, 19 rotatably attached to joining sections 17 a, 17 b of the joining ring 17 by engaging ribs 18 a, 19 a, and an outer periphery of the joining pipes 18, 19. It is composed of covers 20, 21 covering the ends of the flexible hoses 4a, 4b fixed respectively. One end of each of the covers 20 and 21 is fitted to the outer periphery of the joining ring 17. The joints 17a and 17b form retaining stoppers 17c and 17d, respectively.

FIG. 4 is a view showing a connection relationship between the flexible hose 4b and the hand pipe 8. As is apparent from this figure, the hand pipe 8 is located at the end on the connection side with the flexible hose 4b. The diameter is slightly reduced, and a groove-shaped joint 8a is provided along the periphery. A stopper 8b is formed at the end of the joint 8a.

A joint pipe 22 is rotatably attached to the joint portion 8a by an engagement rib 22a formed along the peripheral edge of the end. The flexible hose 4b is attached to the outer periphery of the joint pipe 22. Is fixed at one end. A cover 23 covers the flexible hose 4b and is fitted to the hand pipe 8.

Since the present invention is constructed as described above, the joint between the flexible hose 4a and the flexible hose 4b, the joint between the flexible hose 4a and the main pipe 7,
And the hose can rotate freely at the joint between the flexible hose 4b and the hand pipe 8, and the hose body is twisted even if the vacuum cleaner is repeatedly moved forward, backward, right turn and left turn during the cleaning operation. Therefore, no burden is applied to the hand pipe 8 and the flexible hoses 4a and 4b, and there is no fear of breakage.

[0028]

The present invention is constructed as described above. According to the hose body of the vacuum cleaner of the first aspect, one of the flexible members located across the joining means is provided. Since the flexible hose and the other flexible hose can rotate freely, it is possible to provide a hose body of a vacuum cleaner which is extremely easy to use without being twisted as a whole of the flexible hose.

According to the hose body of the vacuum cleaner according to the second aspect of the present invention, the first and second flexible hoses are rotatable with respect to each other at the joining ring portion. As a whole, it is possible to provide a hose body of a vacuum cleaner which can freely rotate in its longitudinal direction, does not twist, and is extremely easy to use.

According to the hose body of the vacuum cleaner of the third aspect of the present invention, the joint pipe is rotated in the circumferential direction at the end of the main body pipe detachably attached to the suction port of the vacuum cleaner main body. Since the flexible hose is freely attached and the end of the flexible hose is fixedly attached to the outer periphery of the joint pipe, the flexible hose can be rotated in the circumferential direction with respect to the main pipe through the joint pipe. . Therefore, the flexible hose is less likely to be twisted and does not impose a burden on the hand pipe or the flexible hose, thereby preventing breakage.

According to the hose body of the vacuum cleaner of the present invention, a splicing pipe is attached to the end of the hand pipe so as to be rotatable in the circumferential direction, and the outer periphery of the splicing pipe is flexible. Since the hose end is fixed and attached,
The flexible hose can be rotated circumferentially with respect to the hand pipe via the splicing pipe. Therefore, the flexible hose is less likely to be twisted and does not impose a burden on the hand pipe or the flexible hose, thereby preventing breakage.

According to the hose body of the vacuum cleaner of the present invention described in claim 5, since the end of the flexible hose is protected by the cover, the flexible hose is damaged and the flexible hose is damaged. There is no inconvenience such as damage.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a vacuum cleaner provided with a hose body according to the present invention.

FIG. 2 is a side sectional view showing a connection relationship between a main body pipe and a flexible hose of the hose body.

FIG. 3 is a side sectional view showing a joint portion at an intermediate portion of the hose body.

FIG. 4 is a side sectional view showing a joint portion of the hose body with a hand pipe.

FIG. 5 is an external perspective view of a conventional vacuum cleaner having a hose body.

FIG. 6 is a side sectional view showing a connection relationship between a main body pipe and a flexible hose of the conventional hose body.

FIG. 7 is a side sectional view showing a joint portion of the conventional hose body with a hand pipe.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 2 Suction port 3 Suction hose 4a Flexible hose 4b Flexible hose 5 Extension hose 6 Extension hose 7 Body pipe 8 Hand pipe 14 Suction port body 15 Joint body 17 Joint ring 18 Joint pipe 19 Joint Joint pipe

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Kazumasa Hayashi, 22-22 Nagaikecho, Abeno-ku, Osaka City Sharp Corporation (72) Inventor Teruhisa 22-22, Nagaikecho, Abeno-ku, Osaka Sharp Corporation F-term (Reference) 3B057 BA06 BA09 BA22 BA25 BA31

Claims (5)

[Claims] 1. A hose body of a vacuum cleaner having a flexible hose detachably connected to a suction port of a vacuum cleaner main body via a main body pipe, wherein the flexible hoses are connected to each other by joining means. A hose body for a vacuum cleaner comprising two flexible hoses rotatably connected in a circumferential direction. 2. A vacuum cleaner having a flexible hose having one end detachably connected to a suction port of the vacuum cleaner main body via a main body pipe and the other end connected to an extension hose via a hand pipe. In the hose body, the flexible hose includes first and second flexible hoses, and a joint ring is provided at a joint between the first and second flexible hoses. An electric connection characterized in that connecting pipes are attached to both ends so as to be rotatable in the circumferential direction, and the ends of the first and second flexible hoses are fixed to the outer periphery of each connecting pipe, respectively. Vacuum cleaner hose body. 3. A hose body of a vacuum cleaner having a flexible hose detachably connected to a suction port of the vacuum cleaner body via a main body pipe, wherein a joint pipe is circularly connected to an end of the main body pipe. A hose body for a vacuum cleaner, wherein the hose body is rotatably mounted in a circumferential direction, and an end of the flexible hose is fixedly mounted on an outer periphery of the joint pipe. 4. A vacuum cleaner having a flexible hose having one end detachably connected to a suction port of the vacuum cleaner main body via a main body pipe and the other end connected to an extension hose via a hand pipe. In the hose body, an electric cleaning characterized in that a splicing pipe is rotatably mounted in a circumferential direction on an end of the hand pipe, and an end of the flexible hose is fixedly mounted on an outer periphery of the splicing pipe. Machine hose body. 5. The flexible hose according to claim 1, further comprising a cover for covering an end of the flexible hose.
The hose body of the vacuum cleaner according to any one of the above.