KR20000017115A - An Electric Vacuum Cleaner - Google Patents

Abstract

PURPOSE: An electric cleaner is provided to improve the use by making the installment of attachment easy and at the same time to keep the tightness between the attachment and an extension pipe or a hose. CONSTITUTION: The electric cleaner is manufactured with:a cleaner main body(1) having an absorbing hole; a flexible hose(3) for contacting one end with the absorbing hole of the cleaner main body; an extension pipe(4) for freely contacting the elastic settlement on the other end of the flexible hose; a shaft support unit(10) formed on the end of the absorbing side for the other end of the flexible hose or the floor of the extension pipe; an attachment(13) for rotating between the position combined on the flexible hose or the extension pipe and the position for accepting the contact of the absorbing hole for the extension pipe or the floor.

Description

An Electric Vacuum Cleaner

The present invention relates to an electric vacuum cleaner in which an attachment structure of an attachment used in connection with a hose or an extension pipe of a vacuum cleaner is improved.

Conventionally, in an electric vacuum cleaner in which a floor suction port is mounted through an extension pipe at an end of a flexible hose connected to a cleaner body, when cleaning a corner of a room, a gap in a furniture, etc., the floor suction port is removed and a gap is extended to the extension pipe. It is intended to be used by attaching a brush attachment with an attachment or brush, or by removing a floor inlet and an extension pipe and attaching a clearance attachment directly to the end of the flexible hose.

Such clearance attachments and brush attachments are generally housed in an accommodating portion formed in the cleaner body when not in use, and when used, the extension attachments and floor intakes are removed, the attachments are removed, and the attachments are attached to the hose ends or the extension pipe ends. have.

Therefore, when using the attachment, the user must bend the waist to remove it from the vacuum cleaner body and replace it with another, and the operation is cumbersome and poor in writing, and at the same time, the attachment storage unit is installed in the vacuum cleaner body. There was a problem to enlarge.

Moreover, in the vacuum cleaner which does not have an accommodating part of an attachment to a cleaner main body, it has to be accommodated by pushing an attachment in a single body, etc., and it might lose.

The present invention has been made in view of the above drawbacks, and it is an object of the present invention to provide an electric vacuum cleaner that can facilitate attachment of an attachment and improve use characteristics.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an enlarged cross-sectional view showing main parts in a normal use state of a vacuum cleaner according to a first embodiment of the present invention.

Fig. 2 is a main portion enlarged cross-sectional view showing a state in which an attachment is accommodated and a rotated state in a state in which the extension tube is removed in the first embodiment.

3 is an enlarged cross-sectional view of a main portion showing a state in which an attachment is attached to a hose end in the first embodiment.

4 is a bottom view of FIG. 3.

5 is a perspective view showing a normal use state of the vacuum cleaner according to the first embodiment.

Fig. 6 is an enlarged cross-sectional view of a main portion in a normal use state of the vacuum cleaner according to the second embodiment of the present invention.

Fig. 7 is an enlarged sectional view of a main portion showing an operation of removing the extension pipe and rotating the attachment from the stored state in the second embodiment.

8 is an enlarged sectional view of a main portion showing a state in which an attachment is attached to a hose end in the second embodiment.

FIG. 9 is a bottom view of FIG. 8. FIG.

Fig. 10 is an enlarged cross-sectional view of a main portion in a normal use state of the vacuum cleaner according to the third embodiment of the present invention.

FIG. 11 is an enlarged sectional view of a main portion showing an operation of removing the extension pipe and rotating the attachment in the third embodiment; FIG.

12 is a plan view of an open end of a connecting pipe in a third embodiment.

FIG. 13 is an enlarged sectional view of a main portion showing a state in which an attachment is attached to a hose end in the third embodiment. FIG.

FIG. 14 is a bottom view of FIG. 13; FIG.

Fig. 15 is an enlarged cross-sectional view of a main portion in a normal use state of the vacuum cleaner according to the fourth embodiment of the present invention.

Fig. 16 is an enlarged sectional view of a main portion showing an operation of removing the extension pipe and rotating the attachment in the fourth embodiment.

17 is a plan view of the attachment-side end of the attachment in the fourth embodiment.

Fig. 18 is an enlarged sectional view of a main portion showing a state in which an attachment is attached to a hose end in the fourth embodiment.

<Description of the code | symbol about the principal part of drawing>

1: cleaner body

3: hose

4: extension tube

5: floor intake

8 grip part (operation part)

10: shaft support

11: long

13: Attachment

17: shaft support

18: main part

19: round part

The first means of the present invention includes a cleaner body having an intake port, a flexible hose for connecting one end to an intake port of the cleaner body, an extension tube freely detachable from the other end of the flexible hose, and a detachable attachment to the extension tube. A floor suction port freely connected, a shaft support portion formed at the other end of the flexible hose or an end portion of the floor suction port of the extension pipe, and a rotational position of the shaft support portion freely provided, and fitted to the flexible hose or extension pipe; And an attachment for evacuating from the connection port of the flexible hose or the extension pipe and rotating between a position allowing the connection of the extension pipe or the floor suction port to the connection port.

The second means of the present invention includes a cleaner body having an intake port, a flexible hose for connecting one end to an inlet of the cleaner body, an extension pipe for detachable connection to the other end of the flexible hose, and a detachable attachment to the extension pipe. A floor support which is connected to the floor suction port connected to the other end of the flexible hose or the floor suction port side end of the extension pipe and protrudes in the axial direction of the flexible hose or the extension pipe; Longitudinal holes formed in the axial direction of the extension pipe, and rotation is freely disposed in the hole, and the extension hose or floor inlet to the connection port is evacuated from the position where the flexible hose or extension pipe is fitted and the connection port of the flexible hose or extension pipe. An attachment is provided which slides or rotates between positions which allow a connection.

The third means of the present invention includes a cleaner main body having an inlet, a flexible hose having one end connected to the inlet of the cleaner main body and having an operation portion at the other end thereof, an extension tube freely connected to the other end of the flexible hose, and The floor suction port which is detachably connected to the extension pipe, the shaft support part protruding from the other end of the flexible hose or the floor suction port side end of the extension pipe, and the pivot support part are freely disposed, and the flexible hose or the extension pipe is freely disposed. An attachment for pivoting between the position fitted to the flexible hose or the outlet of the flexible hose or the extension tube and the position allowing the connection of the extension or floor inlet to the connection port, and the floor of the flexible hose or the extension pipe. Inclination of the end portion of the inlet side for the inclined, and at the same time close to the operating portion of the inclined portion That the formation of the features.

A fourth means of the present invention includes a cleaner body having an intake port, a flexible hose for connecting one end to an intake port of the cleaner body, an extension pipe for detachable connection to the other end of the flexible hose, and a detachable attachment to the extension pipe. The floor suction port to be connected, the shaft support portion protruding from the other end of the flexible hose or the floor suction port side end of the extension pipe, and the position where the pivot is freely disposed and fitted to the flexible hose or the extension pipe. An attachment for evacuating from the connection port of the flexible hose or the extension pipe and pivoting between the positions allowing connection of the extension pipe or the floor suction port to the connection port, and the end of the flexible hose or the inner suction side end of the extension pipe The outer diameter of the attachment centering on the shaft support portion at a portion facing the shaft support portion A circular arc-shaped recessed portion having a radius is formed.

According to a fifth aspect of the present invention, there is provided a cleaner body having an intake port, a flexible hose for connecting one end to an intake port of the cleaner body, an extension pipe to which detachment is freely connected to the other end of the flexible hose, and a detachable connection to the extension pipe. A shaft support portion protruding from the floor suction port and the other end of the flexible hose or the floor suction port side end of the flexible tube, the rotation is freely disposed in the shaft support portion, the position and the flexible fitting to the flexible hose or extension tube An attachment for evacuating from the connection port of the sex hose or the extension pipe and pivoting between the positions allowing the connection of the extension pipe or the floor suction port to the connection port, the outer peripheral surface of the attachment opening end facing the axial support portion, An arc-shaped circular portion having the shaft support portion is formed.

An embodiment of the present invention will be described next based on FIGS. 1 to 5.

1 is a cleaner main body having an inlet 2, which connects one end of the flexible hose 3 to the inlet 2 of the cleaner main body 1, and the extension tubes 4 and 4 are connected to the connecting tube 6 described later, which is disposed on the other end of the hose 3. Desorption is freely connected, and the floor suction port 5 is attached to the 4 ends of the extension pipe.

6 is a connection pipe disposed at the other end of the hose 3, and has a switch 7 for controlling an electric blower (not shown) of the cleaner body 1, and a grip portion almost triangular on the upper surface side of the connection pipe 6; 8 is integrally formed.

9 is a notch groove formed in the lower surface which mutually opposes the grip part 8 of the said connection tube 6 edge part, and it connects a pair of axial support parts 10 which axially support the attachment 13 mentioned later in the position corresponding to this notch groove. Protruding in the axial direction of the. The shaft supporting portion 10 has a long hole 11, and the shaft 15 of the attachment 13 described later slides the long hole 11. 12 is a locking hole formed in the lower surface of the said connection pipe 6, and is attached so that the attachment 13 may be hooked when the attachment 13 mentioned later is not used.

13 is a clearance attachment for cleaning the clearance of a furniture, a wall edge, etc., The outer diameter is formed in the dimension substantially the same as the inner diameter of the said connection pipe 6 above. 14 is an axial support piece formed on the outer circumferential surface of one end of the attachment 13, and forms an axis 15 on the axial support piece 14, and the shaft 15 is axially supported by the axial support piece 14 freely and freely rotated. have. 16 is a flow hole formed in the surface facing the connection pipe 6 when the attachment 13 is not in use, and the air is collected from the flow hole 16, so that the opening area of the attachment 13 is small, so that it is added to the electric blower. The hook 13 of the connection pipe 6 is hooked to the opening edge of the flow hole 16 to secure the attachment 13 to prevent rotation.

In the above configuration, when cleaning the general bottom surface, the extension pipe 4 and the floor suction port 5 are connected to the hose 3 end and used.

And when cleaning the gaps, grates, wall edges, etc. in the furniture, remove the extension tube 4 together with the floor suction inlet 5, and remove the attachment 13 from the latch 12 and slide to the end of the shaft support 10 along the long hole 11 of the shaft support 10 After rotating at the same time, the attachment 13 is slid to the root side (cleaner main body 1 side) of the shaft support 10, and the attachment 13 is fitted into the connecting tube inner circumference.

With such a structure, when cleaning the thin parts such as the gaps and the grate of the furniture, by removing the extension tube 4 and sliding and rotating the attachment 13, it can be easily fitted to the connecting tube 6 of the hose 3, the attachment from the vacuum cleaner body 1 The use characteristics can be improved compared to the case where 13 is removed and replaced with another, and attachment 13 can be fitted in the inner circumference of the connection pipe 6, thereby preventing air leakage between the attachment 13 and the connection pipe 6. Therefore, the airtightness can be improved and the lowering of suction force can be prevented.

In addition, by attaching the attachment 13 to the connection pipe 6, it is possible to prevent the vacuum cleaner main body 1 from being enlarged without the need for providing a storage space in the vacuum cleaner main body 1.

Next, 2nd Embodiment is described based on FIGS. 6-9. In addition, the same part as the said embodiment attaches | subjects the same code | symbol, and abbreviate | omits description.

In this 2nd Embodiment, the opening end of the connection pipe 6 is inclined so that the upper surface side in which the said grip part 8 is formed may move away from the grip part 8, and the lower surface side may approach the grip part 8. 17 is an axial support which protrudes from the lower side of the said connection pipe 6, ie, the part which is closest to the grip part 8 of the opening end of the connection pipe 6, and the rotation of the axis 15 of the attachment 13 is supported by this axis support part 17 freely. have.

According to this structure, since the attachment 13 is axially supported at the position closest to the grip part 8 of this inclination by inclining the edge part of the connection pipe 6, the attachment 13 is connected to the connection pipe 6 by removing the extension pipe 4 and rotating it. Can be secured to the airtight member, and the attachment 13 can be easily mounted with a simple structure to improve the use characteristics, and the strength of the shaft support 17 can be improved as compared with the first embodiment.

And in this 2nd Embodiment, although the inclined part of the connection pipe 6 edge part was formed so that the upper surface side in which the said grip part 8 may be formed may be close to the grip part 8 from the grip part 8, the lower surface of the connection pipe 6 may be far from the grip part 8. And the inclined portion of which the upper surface side is close to the grip portion 8, and the one side portion of the connecting pipe 6 may be away from the grip portion 8, and the other side may be an inclined portion close to the grip portion 8. The same effect can be obtained by supporting attachment 13 at the position.

In the second embodiment, the attachment 13 can be fitted to the connection pipe 6 by rotating the attachment 13 around the axis 15 while the end of the connection pipe 6 is inclined, but the third embodiment shown in FIGS. As shown in the figure, an arc-shaped recessed part 18 having an outer diameter of the attachment 13 as a radius is formed on the upper surface side inner circumferential surface facing the shaft support 17 of the connecting tube 6, and the outer diameter of the connecting tube 6 is formed. By increasing the inner diameter without increasing the diameter, the attachment 13 can be hermetically fitted to the connecting pipe 6 by rotating the shaft 15 to a point, and the attachment 13 can be easily mounted to improve the use characteristics. Can be.

Again, as in the fourth embodiment shown in FIGS. 15 to 18, the connection pipe 6 is formed by forming a circular portion 19 having the axis 15 of the attachment 13 as a point on the outer periphery of the portion facing the axis 15 of the attachment 13. By rotating the attachment 13 without increasing the inner diameter of the tube, it is possible to securely fit the connecting pipe 6, and the attachment 13 can be easily mounted to improve the use characteristics.

Moreover, in each said embodiment, although the attachment 13 was attached to the connection pipe 6 formed in the edge part of the hose 3, you may provide it in the 5th end part of the floor suction port of the extension pipe 4. As shown in FIG.

According to claim 1 of the present invention, the attachment can be hermetically fitted to the flexible hose or the extension pipe with a simple configuration, and the attachment can be easily attached to improve the use characteristics.

According to claim 2 of the present invention, the attachment can be hermetically fitted to the flexible hose or the extension pipe with a simple configuration, and the attachment can be easily attached to improve the use characteristics.

According to claim 3 of the present invention, the attachment can be hermetically fitted to the flexible hose or the extension pipe with a simple configuration, and the attachment can be easily attached to improve the use characteristics.

According to claim 4 of the present invention, the attachment can be hermetically fitted to the flexible hose or the extension pipe with a simple configuration, and the attachment can be easily attached to improve the use characteristics.

Claims (5)

A vacuum cleaner body having an intake port, a flexible hose for connecting one end to the inlet of the vacuum cleaner body, an extension pipe freely connected to the other end of the flexible hose, a floor suction port freely connected to the extension pipe, and From the other end of the flexible hose or the axial support portion formed on the floor inlet side end of the extension pipe, the rotational support is freely disposed on the shaft support portion, and the position to be fitted to the flexible hose or the extension pipe and the connection port of the flexible hose or extension pipe An electric vacuum cleaner comprising an attachment for evacuating and pivoting between a position allowing the connection of an extension pipe or a floor suction port to the connection port A vacuum cleaner body having an intake port, a flexible hose for connecting one end to the inlet of the vacuum cleaner body, an extension pipe freely connected to the other end of the flexible hose, a floor suction port freely connected to the extension pipe, and An axial support portion protruding in the axial direction of the flexible hose or the extension pipe at the other end of the flexible hose or the floor inlet side of the extension pipe, and formed in the axial support of the flexible hose or the extension pipe, Between the long hole and the position where rotation is freely disposed in the long hole and fitted to the flexible hose or the extension pipe and the position allowing the connection of the extension pipe or the floor suction port to the connection port by evacuating from the connection port of the flexible hose or the extension pipe. Electric vacuum cleaner comprising an attachment for sliding or rotating A cleaner body having an intake port, a flexible hose having one end connected to the inlet of the cleaner body and having an operation portion at the other end thereof, an extension pipe freely connected to the other end of the flexible hose, and a floor freely connected to the extension pipe. The suction inlet, the shaft support portion protruding from the other end of the flexible hose or the floor suction inlet side end of the extension pipe, and the rotational support of the shaft support portion freely disposed and fitted to the flexible hose or the extension pipe. Equipped with an attachment for evacuating from the connection port with the hose or the extension to allow the connection of the extension pipe or the floor suction port to the connection port, and inclining the end of the flexible hose or the floor suction port end of the extension pipe. And the shaft support portion is formed at a position proximate to the operation portion of the inclined portion. Vacuum cleaner. A vacuum cleaner body having an intake port, a flexible hose for connecting one end to the inlet of the vacuum cleaner body, an extension pipe freely connected to the other end of the flexible hose, a floor suction port freely connected to the extension pipe, and A shaft support portion protruding from the other end of the flexible hose or the floor inlet side end of the extension pipe, the rotation of the shaft support portion is freely disposed, the position to fit the flexible hose or extension pipe and the connection port of the flexible hose or extension pipe An attachment for pivoting between the extension pipe or the position allowing the connection of the floor suction port to the connection port, and facing the shaft support portion at the inner circumferential surface of the end of the flexible hose or the floor suction port side end of the extension pipe. A circular arc whose radius is the outer diameter of the attachment centering on the shaft support portion. Of the electric vacuum cleaner, characterized in that the formation of the recess. A vacuum cleaner body having an intake port, a flexible hose for connecting one end to an inlet of the vacuum cleaner body, an extension pipe for detachable connection to the other end of the flexible hose, a floor suction port for detachable connection to the extension pipe, and the flexible The shaft support part protruding from the other end of the sex hose or the floor suction port side end of the extension pipe and the pivot support part are freely disposed, and the connection port is evacuated from the position that is fitted to the flexible or extension pipe and the connection port of the flexible or extension pipe. An annular circular portion having an attachment pivoting between positions allowing the connection of an extension pipe or a floor inlet to the floor, and on the outer peripheral surface of the attachment opening end facing the shaft support portion; An electric vacuum cleaner, characterized in that formed.