JPH06245882A - Vacuum cleaner - Google Patents

Abstract

(57) [Abstract] [Purpose] An electric vacuum cleaner capable of detachably locking a locking portion provided on a communication pipe or a suction port with a locked portion provided on a main body. The purpose is to prevent the sill, etc. from being damaged during cleaning. [Structure] A concave engaged portion 26 is provided on the upper surface of the electric vacuum cleaner body 1, and a holder 19 provided with an engaging portion 21 is fixed to the extension pipe 10 that constitutes the communication pipe 8. . The locking portion 21 intersects the axial direction of the extension pipe 10 in a direction intersecting the axial direction of the extension pipe 10 and on the side opposite to the protruding direction of the suction port body 14 from the extension pipe 10. The outer wall 22 and the inner wall 23, which are thin in thickness
And a bottom wall 24 connecting them and a hollow portion 25. The outer wall 22 is elastically deformable toward the extension tube 10 side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a communication pipe or a suction port by engaging a locking portion provided on a communication pipe or a connection pipe of a suction port body with a locked portion provided on a cleaner body. The present invention relates to an electric vacuum cleaner capable of leaning against a body of a vacuum cleaner and holding it.

[0002]

2. Description of the Related Art Conventionally, an electric vacuum cleaner of this type is known, for example, one disclosed in Japanese Patent Laid-Open No. 3-77516. The main body of the electric vacuum cleaner is provided with a locked portion composed of a pair of L-shaped holding side walls, and the locked portion has an upper opening and a side opening formed between the holding side walls. I have. On the other hand, a connecting device (holding part) is connected to the suction pipe (communication pipe), and the connecting device includes a pipe section fixed to the suction pipe and a direction perpendicular to the axial direction from the outer peripheral surface of the pipe section. It is formed by a pair of webs (locking portions) which are formed so as to project and are elastically deformable so as to be close to each other, and a flange formed on each of the webs. A suction port body (suction mouthpiece) is detachably provided at the tip of the suction pipe, and the suction port body is provided so as to project from the outer peripheral surface of the suction pipe.

After completion of cleaning or at the time of interruption,
By inserting the flange of the connecting device into the locked portion from the upper opening and engaging this flange from behind the holding side wall, the suction pipe provided with the connecting device and the suction port body provided in this suction pipe The whole vacuum cleaner can be kept compact by leaning against the main body and holding it. Also,
To remove the suction tube from the main body from this state, lift the coupling device upward to pull out the flange from the upper opening to release the engagement between the flange and the holding side wall, or to elastically move the pair of webs close to each other. By deforming and pulling out the flange from the side opening to release the engagement between the flange and the holding side wall, the connecting device can be released from the locked portion of the main body.

[0004]

By the way, the cleaning is performed by the user moving the suction pipe to move the suction port body on the surface to be cleaned. However, in the one described in the above publication, when cleaning is performed as described above, the protruding direction side of the pair of webs provided so as to protrude from the outer peripheral surface of the suction pipe in the direction orthogonal to the axial direction thereof is There is a problem that the furniture, the sill, etc. may be damaged by colliding with the furniture, the sill, etc.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide an electric vacuum cleaner which prevents damage to furniture, sill, etc. even if the projecting side of the locking portion collides with furniture or a sill during cleaning. It is a thing.

[0006]

In order to achieve the above object, the present invention provides an electric blower chamber for accommodating an electric blower and a dust collecting chamber communicating with the suction side of the electric blower, and the dust collecting chamber. A cleaner main body having a connection port formed therein, a communication pipe having one end connected to the connection port, a suction port body having a connection pipe connected to the other end of the communication pipe, and the connection pipe or At least an outer periphery of the locking portion, wherein the locking portion is provided on at least one of the communication pipes and a locked portion for locking the locking portion is provided on the cleaner body. The surface side is formed so as to be elastically deformable toward the communication pipe or the connection pipe side.

[0007]

According to the electric vacuum cleaner of the present invention, the communication pipe and the suction port can be attached to the main body by locking the locking portion to the locked portion provided on the main body. Then, by removing the locking portion from the locked portion and moving the communication pipe, the suction port body can be moved on the floor surface for cleaning.
Even if the communicating pipe moves during cleaning and the furniture or sill collides with the protruding direction side of the locking part, the locking part is elastically deformed toward the communicating pipe and the connecting pipe side, so that the furniture and sill are not impacted. It alleviates.

[0008]

An embodiment of the present invention will be described with reference to the drawings.
In FIG. 5, reference numeral 1 denotes a vacuum cleaner body, which is a lower case 2, an upper case 3 fixed to the lower case 2, and an upper case 3.
And a lid body 4 which is rotatably supported. The main body 1 is provided with an electric blower chamber for accommodating the electric blower and a dust collecting chamber (both not shown) formed on the intake side of the electric blower, and a lid 4 opens and closes above the dust collecting chamber. It is supposed to be done. A connection port 5 is formed in the front portion of the main body 1 and communicates with the dust collection chamber, and is connected to one end of a hose described later. Further, the lower case 2 has a bumper 6 made of an elastic material on the outer periphery thereof, and front and rear wheels (not shown) and rear wheels 7 are provided on the lower surface thereof.

Reference numeral 8 is a communication pipe, which is composed of a hose 9 which is detachably connected to a connection port 5 formed in the main body 1 at one end, and an extension pipe 10 which is detachably connected to the hose 9. . The hose 9 is composed of a connection tube 11 that engages with the connection port 5 at one end, a flexible hose body 12 provided in the connection tube 11, and a grip portion 13 provided in the hose body 12. Has been done. The extension pipe 10 is composed of an extension pipe 10a detachably connected to the grip portion 13 and an extension pipe 10b connected thereto. The suction port body 14 is detachably connected to the extension pipe 10b. The suction port body 14 includes a suction port body 16 and a shaft portion 17 in which a suction opening 15 is formed as shown in FIGS.
Thus, the suction pipe main body 16 is rotatably provided, and the connecting pipe 18 is detachably connected to the extension pipe 10b. That is, the suction port main body 16 engages with the shaft portion 17 protruding from the connection pipe 18 to rotatably support the connection pipe 18. Further, with the suction port body 14 connected to the extension pipe 10b, the suction port body 16 projects from the outer peripheral surface of the extension pipe 10b in one direction intersecting the axial direction thereof.

Reference numeral 19 denotes a holder made of synthetic resin provided on at least one of the communication pipe 8 and the connection pipe 18, and in this embodiment, it is provided on the extension pipe 10b constituting the communication pipe 8. The holder 19 includes an annular fixing portion 20 fixed to the outer peripheral surface of the extension pipe 10b, and the extension pipe 10b in a direction intersecting the axial direction of the extension pipe 10 and opposite to the suction port body 16. The locking portion 21 formed of a portion protruding from the outer peripheral surface and a portion formed apart from the outer peripheral surface by a predetermined distance is integrally molded. The locking portion 21 is
As shown in FIGS. 3 and 4, a thin plate-shaped outer wall 22 and an inner wall 23 formed along the axial direction of the extension tube 10b and elastically deformable in the direction of arrow A in FIG. 4, and a bottom wall connecting them. 24, a hollow portion 25 is formed between the outer wall 22 and the inner wall 23, and both ends of the hollow portion 25 are open. The width W (see FIG. 3) of the outer wall 22 and the inner wall 23 is formed to be smaller than the outer diameter of the communication pipe 8, and the both sides of the outer wall 22 and the inner wall 23 are the outer diameter of the communication pipe 8 when viewed from the axial direction of the communication pipe 8. It is located inside the part. Therefore, the outer wall 2
2. When furniture or the like tries to collide with the locking portion 21 from the width direction side of the inner wall 23, it collides with the communication pipe 8.
Further, since the outer wall 22 and the inner wall 23 are formed to be thin, the bottom plate 24 is formed, so that the strength of the locking portion 21 as a whole does not decrease.

Further, as shown in FIG. 2, a recessed engaged portion 26 is formed in the rear portion of the main body 1 to which the engaging portion 21 of the holder 19 provided on the extension tube 10b is detachably engaged. ing. The shape of the locked portion 26 is substantially the same as the shape of the locking portion 21 so that the locking portion 21 is fitted, and the front wall 27 of the locked portion 26 is directed upward. It is a tapered surface that expands.

The operation will be described based on the above configuration. To clean, connect the connection tube 5 of the main body 1 to the connection tube 1 of the hose 9.
1 and the extension pipe 1 to the grip portion 13 of the hose 9
0a and 10b are sequentially connected, and the suction port body 14 is further connected to the extension pipe 10b. And an electric blower (not shown)
The dust is sucked in from the suction port body 14 by operating the, and these dusts are passed through the extension pipe 10 and the hose 9 to the main body 1
Dust is collected in a dust collection chamber (not shown) inside.

After the cleaning is completed or when the cleaning is interrupted, the engaging portion 21 of the holder 19 provided on the extension tube 10b is provided.
The hose 9, the extension pipe 10, and the suction port body 14 connected to each other can be leaned against the main body 1 and held by being locked to the locked portion 26 provided in the main body 1. Specifically, when the extension tube 10 and the like are lifted up and the locking portion 21 of the holder 19 is inserted into the recessed locked portion 26 from above,
Since the shape of the locking portion 21 is substantially the same as the shape of the locked portion 26, the locking portion 21 is locked to the locked portion 26 without rattling, and the extension tube 10 and the like are attached to the main body 1. Holds leaning against. Further, in order to remove the locking portion 21 from the locked portion 26, an operation opposite to the above may be performed.

At the time of cleaning, the user holds the grip portion 13 and moves the grip portion 13 to move the suction port body 14 on the surface to be cleaned, and the locking portion 21 also moves accordingly. The protruding side of 21 often collides with furniture, a sill, or the like. For example, in FIG. 1, the locking portion 21 moves in the direction of arrow B and collides with the object Z placed on a sill or a floor. In this case, according to the electric vacuum cleaner of the present invention, the locking portion 2
By elastically deforming the outer wall 22 and the inner wall 23 of No. 1 toward the extension pipe 10b side with the end portion on the side opposite to the bottom wall as the center, the impact on the sill or the like can be mitigated. Therefore,
It is possible to prevent damage to these sills and furniture.

Further, the outer wall 22 and the inner wall 23 of the locking portion 21
Is elastically deformable in the direction of arrow A in FIG. 4, that is, not only elastically deforming toward the extension tube 10b side, but also elastically deforming in the opposite direction.
When the gripping portion 13 is pulled toward the main body 1 in a state in which 1 is locked to the locked portion 26, the locking portion 21 is elastically deformed and the front wall 27 of the tapered locked portion 26 that expands upward. It can be deformed so that it can be removed from the locked portion 26. Therefore,
It is possible to improve the operability when removing the locking portion 21 from the locked portion 26. Further, since the locking portion 21 has the structure having the thin outer wall 22 having elastic force and the bottom wall 24 connecting the inner wall 23, the strength of the locking portion 21 is secured as a whole.

Further, the electric vacuum cleaner according to the present embodiment has a communication pipe 8
The suction port main body 16 is projected in one direction intersecting the axial direction of and the locking portion 21 is projected above the suction port main body 16 and on the side opposite to the locking portion 21. Two
The suction port body 16 is prevented from colliding with the cleaner body 1 when the 1 is locked to the locked portion 26 to improve the operability, and the suction port body 16 is connected to the connection pipe 18 or By supporting the communication pipe 8 rotatably, the suction port body 14
Although it is possible to easily move the cleaning member on the surface to be cleaned, in such an electric vacuum cleaner, the locking portion 2
Furniture 1 and a sill are likely to collide on the protruding side of 1. That is, the user does not move during cleaning and the suction port body 1
When 4 is moved back and forth, the connecting pipe 18 and the extension pipe 10 rotate up and down about the shaft portion 17. Specifically, when the suction port body 14 is moved forward, that is, when the suction port body 14 is separated from the user, the connecting pipe 18 or the like is rotated downward, and when the suction port body 14 is moved to the front side. That is, when the suction port body 14 is near the user, the connecting pipe 18 and the like rotate upward. Therefore, when cleaning, the locking portion 21
Since the protruding direction side of the object is close to the surface to be cleaned, it tends to collide with a sill or an object placed on the surface to be cleaned. It is possible to prevent damage to the sill, furniture, and the like while improving operability of locking the stopper 21 to the locked portion 26 and operability of moving the suction port body 14 on the surface to be cleaned.

In the present embodiment, the locked portion 26 is provided on the upper surface of the main body 1, but the locked portion 26 is provided on the lower surface of the main body 1 and the main body 1 is placed upside down. It can also be used in a so-called stand-containing vacuum cleaner in which the extension pipe 10 and the like are leaned against and held by the unit 1. Further, the locking portion 21 has been described as being provided on the extension pipe 10 that constitutes the communication pipe 8, but of course the suction port body 14
It may be provided in the connection pipe 18 of, or the communication pipe 8
Alternatively, it may be integrally formed with the connection pipe 18. The suction port body 14 can also be used as a suction port body such as a so-called mouthpiece and a furniture brush.

Next, FIG. 6 shows a holding device 19 according to another embodiment of the present invention. In this embodiment, the hollow portion 25 has an outer wall 2
The rib 30 that connects the inner wall 23 and the inner wall 23 is formed.
Has a notch 31 formed between the outer wall 22 and the inner wall 23 and extending in the axial direction of the communication pipe 8, and the other structures are the same as those in the above-described embodiment.

According to the present embodiment, in addition to the effects of the above-mentioned embodiment, there is an effect of preventing the breakage of the locking portion 26.
That is, since the amount of elastic deformation of the locking portion 21 can be regulated by the rib 30, the locking portion 26 can be prevented from being damaged.

[0020]

As described above, according to the electric vacuum cleaner of the present invention, even if furniture or a sill collides with the projecting side of the engaging portion during cleaning, the engaging portion is elastically deformed and the furniture or the sill is sill. It is possible to alleviate the impact on the above and prevent these damages.

[Brief description of drawings]

FIG. 1 shows a part of an electric vacuum cleaner according to an embodiment of the present invention,
It is the side view which made a cross section a part of suction port body in the state where the extension pipe was connected.

FIG. 2 is a side view showing a part of the electric vacuum cleaner according to the embodiment of the present invention and showing a part of the state in which the locking part is locked to the locked part.

FIG. 3 is a perspective view of a holder according to the embodiment of the present invention.

FIG. 4 is a side view of the holder according to the embodiment of the present invention.

FIG. 5 is a perspective view of an electric vacuum cleaner showing an embodiment of the present invention.

FIG. 6 is a side view of a holder according to another embodiment of the present invention.

[Explanation of symbols]

 1 Main body 5 Connection port 8 Communication pipe 14 Suction port body 18 Connection pipe 21 Locking part 26 Locked part

Claims (1)

[Claims] 1. A cleaner body having an electric blower chamber for accommodating the electric blower and a dust collecting chamber communicating with the suction side of the electric blower and having a connection port communicating with the dust collecting chamber; A communication pipe with one end connected to the connection port,
A suction port body having a connection pipe connected to the other end of the communication pipe, a locking portion provided on at least one of the connection pipe and the communication pipe, and the locking portion provided on the cleaner body. An electric vacuum cleaner, comprising: a locked portion for locking the at least one outer peripheral surface of the locking portion elastically deformable toward the communication pipe or the connection pipe.