JP2005095655A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner which is improved in usability by making an attachment be easily attached and can maintain air tightness between the attachment and an extension pipe or hose. <P>SOLUTION: This vacuum cleaner is equipped with a flexible hose 3 which has one end connected with the suction port of the main body 1 and the other end having the operating part, an extension pipe 4 detachably connected with the other end of the flexible hose 3, a floor suction tool 5 detachably connected with the extension pipe 4, a pivotal support part 17 formed on the other end of the flexible hose 3 or the end part to the floor suction tool 5 side of the extension pipe 4, and an attachment 13 turnably set on the pivotal support part 17 to be fit with the flexible hose 4 or the extension pipe 4. The end part of the flexible hose 3 or the end part to the floor suction tool 5 side of the flexible hose 3 or the end part to the floor suction tool side of the extension pipe 4 is tilted and the pivotal support part 17 is formed in a position near the operating part on the tilted part. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electric vacuum cleaner having an improved attachment structure for attachment used by connecting to a hose or an extension pipe of the vacuum cleaner.

  Conventionally, in a vacuum cleaner in which a floor suction tool is attached to the end of a flexible hose connected to the vacuum cleaner body via an extension tube, when cleaning a corner of a room, a gap in furniture, etc. Remove the suction tool and attach a gap attachment or brush attachment to the extension pipe, or remove the floor suction tool and extension pipe and attach the gap attachment directly to the end of the flexible hose. It is supposed to be.

  Such gap attachments and brush attachments are generally stored in the storage part formed in the main body of the vacuum cleaner when not in use, and when used, the extension pipe and the floor suction tool are removed to attach the attachment. Take out and attach to the end of the hose or the end of the extension pipe.

  Therefore, when using the attachment, the user must bend over and remove it from the main body of the cleaner, and the replacement work must be performed. The operation is cumbersome and unusable, and the attachment storage section is provided in the main body of the cleaner. As a result, there was a problem that the main body of the vacuum cleaner was enlarged.

Moreover, in the vacuum cleaner which does not have an attachment storage part in the vacuum cleaner main body, the attachment has to be stored in a single unit or the like, which may be lost.
JP-A-7-31566 (A47L 9/24) Japanese Utility Model Publication No. 61-137343 (A47L 5/24)

  This invention is made | formed in view of the said fault, and makes it a subject to provide the vacuum cleaner which can mount | wear an attachment easily and can improve usability.

  The first means of the present invention includes a cleaner main body having an air inlet, a flexible hose having one end connected to the air inlet of the cleaner main body and an operating portion at the other end, and the flexible hose. An extension pipe detachably connected to the end, a floor suction tool detachably connected to the extension pipe, and the other end of the flexible hose or the floor suction tool side end portion of the extension pipe A shaft support portion that is pivotably disposed on the shaft support portion, and is fitted to the flexible hose or extension tube and a connection port that is retracted from the connection port of the flexible hose or extension tube. And an attachment that rotates between a position allowing the connection of the extension pipe or the floor suction tool to the floor, and inclining the end of the flexible hose or the floor suction tool side end of the extension pipe The shaft support portion is formed at a position close to the operation portion of the inclined portion. .

  The second means of the present invention includes a cleaner body having an air inlet, a flexible hose that connects one end to the air inlet of the cleaner body, and a detachable connection to the other end of the flexible hose. An extension pipe, a floor suction tool that is detachably connected to the extension pipe, a shaft support portion that protrudes from the other end of the flexible hose or the floor suction tool side end of the extension pipe, For pivot pipes or floors that are pivotally arranged on the shaft support part and retracted from the connection port of the flexible hose or extension pipe and the connection port of the flexible hose or extension pipe. An attachment that rotates between a position allowing the connection of the suction tool and an inner peripheral surface of the flexible suction hose or an end of the extension pipe on the floor suction tool side. An arc-shaped recess having a radius around the outer diameter of the attachment is formed in the portion with the shaft support at the center. It is characterized in.

  The third means of the present invention includes a cleaner body having an air inlet, a flexible hose that connects one end to the air inlet of the cleaner body, and a detachable connection to the other end of the flexible hose. An extension pipe, a floor suction tool that is detachably connected to the extension pipe, a shaft support portion that protrudes from the other end of the flexible hose or the floor suction tool side end of the extension pipe, For pivot pipes or floors that are pivotally arranged on the shaft support part and retracted from the connection port of the flexible hose or extension pipe and the connection port of the flexible hose or extension pipe. An attachment that rotates between a position that allows connection of the suction tool, and an arc-shaped round that uses the shaft support portion as a fulcrum at a portion facing the shaft support portion on the outer peripheral surface of the attachment opening end. A part is formed.

  According to a fourth aspect of the present invention, there is provided a vacuum cleaner body having an air inlet, a flexible hose that connects one end to the air inlet of the vacuum cleaner body, and the other surface of the flexible hose. A vacuum cleaner comprising a connecting pipe having a grip portion, an extension pipe detachably connected to the connection pipe, and a floor suction tool detachably connected to the extension pipe, wherein the connection A shaft support portion that is formed to protrude in the axial direction of the connection pipe on the lower surface facing the grip portion in the vicinity of the pipe end portion, and a clearance attachment that slides on the shaft support portion in the axial direction of the connection pipe and rotates. The gap attachment is slid and rotated between a position where it is fitted to the connection pipe and a position where the connection of the extension pipe to the connection opening is allowed from the connection opening of the connection pipe. It is characterized by moving.

  According to the present invention, the attachment can be airtightly fitted to the flexible hose or the extension pipe with a simple configuration, and the attachment can be easily attached to improve the usability.

  An embodiment of the present invention will be described below with reference to FIGS.

  Reference numeral 1 denotes a vacuum cleaner body having an air inlet 2, which connects one end of a flexible hose 3 to the air inlet 2 of the vacuum cleaner body 1 and is connected to the other end of the hose 3, which will be described later. The extension pipes 4, 4 are detachably connected to 6, and the floor suction tool 5 is attached to the end of the extension pipe 4.

  6 is a connecting 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 substantially triangular grip portion on the upper surface side of the connecting pipe 6. 8 is formed integrally.

  Reference numeral 9 denotes a notch groove formed in a lower surface opposite to the grip part 8 in the vicinity of the end of the connecting pipe 6, and a pair of shaft support parts 10 for supporting an attachment 13 described later at a position corresponding to the notch groove 9. Projecting in the axial direction of the connecting pipe 6. The shaft support portion 10 has a long hole 11, and a shaft 15 of an attachment 13 to be described later slides in the long hole 11. Reference numeral 12 denotes a locking claw formed on the lower surface of the connecting pipe 6 so that the attachment 13 is locked when the attachment 13 described later is not used.

  Reference numeral 13 denotes an attachment for a gap for cleaning a gap or a wall of furniture. The outer diameter of the attachment 13 is substantially the same as the inner diameter of the connecting pipe 6. 14 is a shaft support piece formed on the outer peripheral surface of one end portion of the attachment 13, and a shaft 15 is formed on the shaft support piece 14, and the shaft 15 is slidable and rotatable on the shaft support portion 14. It is designed to be pivotally supported. 16 is a grooving hole formed on the surface facing the connecting pipe 6 when the attachment 13 is not used. By taking in air from the grooving hole 16, the attachment 13 has a small opening area. Further, the attachment claw 12 of the connecting pipe 6 is engaged with the opening edge of the outlet hole 16 to fix the attachment 13 and prevent the rotation. ing.

  In the above configuration, during general floor cleaning, the extension pipe 4 and the floor suction tool 5 are connected to the end of the hose 3 for use.

  When cleaning furniture gaps, window bars, wall edges, etc., remove the extension pipe 4 together with the floor suction tool 5, remove the attachment 13 from the locking claw 12, and follow the elongated hole 11 of the shaft support 10. After sliding and rotating to the free end side of the shaft support portion 10, the attachment 13 is slid to the base side (the vacuum cleaner body 1 side) of the shaft support portion 10, and the attachment 13 is fitted to the inner periphery of the connecting pipe 6. .

  With this configuration, when cleaning small parts such as furniture gaps and window bars, the extension pipe 4 is removed and the attachment 13 is slid and rotated to easily fit the connecting pipe 6 of the hose 3. Since the usability can be improved as compared with the case where the attachment 13 is taken out from the vacuum cleaner main body 1 and replaced, the attachment 13 can be fitted and attached to the inner periphery of the connecting pipe 6. Air leakage from the connection pipe 6 can be prevented to improve airtightness, and a reduction in suction force can be prevented.

  Moreover, since the attachment 13 is attached to the connecting pipe 6, it is not necessary to provide a storage space in the cleaner body 1, and an increase in size of the cleaner body 1 can be prevented.

  Next, a second embodiment will be described based on FIGS. In addition, the same part as the said embodiment attaches the same code | symbol, and abbreviate | omits description.

  In the second embodiment, the open end of the connecting pipe 6 is inclined so that the upper surface side where the grip portion 8 is formed is far from the grip portion 8 and the lower surface side is close to the grip portion 8. Reference numeral 17 denotes a shaft support portion that protrudes from the lower surface of the connection tube 6, that is, the portion closest to the grip portion 8 at the open end of the connection tube 6, and the shaft 15 of the attachment 13 is rotatable to the shaft support portion 17. It is pivotally supported.

  According to this configuration, the end portion of the connecting pipe 6 is inclined, and the attachment 13 is pivotally supported at a position closest to the inclined grip portion 8, so that the extension pipe 4 is removed and the attachment 13 is rotated. Thus, the attachment 13 can be hermetically fitted to the connecting pipe 6, the attachment of the attachment 13 can be facilitated with a simple structure and the usability can be improved, and the shaft support portion can be improved as compared with the first embodiment. The strength of 17 can be improved.

  In the second embodiment, the inclined portion at the end of the connecting pipe 6 is formed so that the upper surface side where the grip portion 8 is formed is far from the grip portion 8 and the lower surface side is close to the grip portion 8. The lower surface of the tube 6 may be an inclined portion that is far from the grip portion 8 and the upper surface side is close to the grip portion 8, and one side portion of the connecting tube 6 is far from the grip portion 8 and the other side portion is close to the grip portion 8 In any case, if the attachment 13 is pivotally supported at a position closest to the grip portion 8 of the inclined portion, the same effect can be obtained.

  In the second embodiment, the connection tube 6 is inclined so that the attachment 13 can be fitted to the connection tube 6 by rotating the attachment 13 around the shaft 15. As shown in FIGS. 10 to 14, the outer diameter of the attachment 13 is set on the inner peripheral surface on the upper surface side facing the shaft support portion 17 of the connection pipe 6 with the shaft 15 of the attachment 13 as a fulcrum. The arcuate recess 18 is formed, and the inner diameter is increased without increasing the outer diameter of the connecting pipe 6, so that the attachment 13 is fitted to the connecting pipe 6 in an airtight manner by rotating the attachment 13 around the shaft 15. The attachment 13 can be easily attached with a simple structure, and the usability can be improved.

  Further, as in the fourth embodiment shown in FIGS. 15 to 18, the rounded portion 19 having the shaft 15 of the attachment 13 as a fulcrum is formed on the outer periphery of the end portion of the portion facing the shaft 15 of the attachment 13. Thus, without increasing the inner diameter of the connecting pipe 6, the attachment 13 can be rotated and hermetically fitted to the connecting pipe 6, and the attachment 13 can be easily attached with a simple structure, thereby improving usability. It can be improved.

  In addition, in each said embodiment, although it was set as the structure which attaches the attachment 13 to the connecting pipe 6 formed in the edge part of the hose 3, you may form in the floor suction tool 5 side edge part of the extension pipe 4. FIG.

It is a principal part expanded sectional view in the normal use state of the vacuum cleaner which shows the 1st Embodiment of this invention. It is a principal part expanded sectional view which shows the state which accommodated the attachment in the state which removed the extension pipe | tube, and the state rotated. It is a principal part expanded sectional view which shows the state which attached the attachment to the hose end part. FIG. 4 is a bottom view in FIG. 3. It is a perspective view which shows the normal use state of the same vacuum cleaner. It is a principal part expanded sectional view in the normal use state of the vacuum cleaner which shows the said 2nd Embodiment. It is a principal part expanded sectional view which shows the operation | movement which removes the extension pipe and rotates an attachment from a storage state. It is a principal part expanded sectional view which shows the state which attached the attachment to the hose end part. It is a bottom view in FIG. It is a principal part expanded sectional view in the normal use state of the vacuum cleaner which shows the said 3rd Embodiment. It is a principal part expanded sectional view which shows the operation | movement which removes the extension pipe and rotates an attachment. It is a top view of the opening end of the connection pipe. It is a principal part expanded sectional view which shows the state which attached the attachment to the hose end part. It is a bottom view in FIG. It is a principal part expanded sectional view in the normal use state of the vacuum cleaner which shows the 4th Embodiment. It is a principal part expanded sectional view which shows the operation | movement which removes the extension pipe and rotates an attachment. It is the top view seen from the connection side edge part of the attachment. It is a principal part expanded sectional view which shows the state which attached the attachment to the hose end part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 3 Hose 4 Extension pipe 5 Floor suction tool 8 Grip part (operation part)
13 Attachment
17 Shaft support

Claims (4)

A vacuum cleaner main body having an air inlet, a flexible hose having one end connected to the air inlet of the vacuum cleaner main body and an operating portion at the other end, and an extension removably connected to the other end of the flexible hose A pipe, a floor suction tool that is detachably connected to the extension pipe, a shaft support portion that protrudes from the other end of the flexible hose or the floor suction tool side end of the extension pipe, and the shaft support section. And a position where the flexible hose or extension pipe is fitted to the connecting port of the flexible hose or extension pipe and the extension pipe or floor suction to the connection opening. And an attachment that rotates between a position allowing the connection of the flexible hose and an end of the flexible hose or an end of the extension pipe on the floor suction tool side. A vacuum cleaner characterized by being formed at a position close to the operation section. A vacuum cleaner body having an air inlet, a flexible hose connected at one end to the air inlet of the vacuum cleaner body, an extension pipe detachably connected to the other end of the flexible hose, and the extension pipe A floor suction tool that is detachably connected, a shaft support portion that protrudes from the other end of the flexible hose or the floor suction tool side end portion of the extension pipe, and a pivot support device that is rotatably disposed on the shaft support portion. A position where the flexible hose or the extension pipe is fitted, and a position where the extension pipe or the floor suction tool is allowed to be connected to the connection opening while being retracted from the connection opening of the flexible hose or the extension pipe. An attachment that pivots between the ends of the flexible hose or the inner peripheral surface of the end of the extension pipe on the floor suction tool side, with the shaft support portion being the center of the portion facing the shaft support portion. An electric arc characterized by the formation of an arc-shaped recess whose radius is the outer diameter of the attachment Removal machine. A vacuum cleaner body having an air inlet, a flexible hose connected at one end to the air inlet of the vacuum cleaner body, an extension pipe detachably connected to the other end of the flexible hose, and the extension pipe A floor suction tool that is detachably connected, a shaft support portion that protrudes from the other end of the flexible hose or the floor suction tool side end portion of the extension pipe, and a pivot support device that is rotatably disposed on the shaft support portion. A position where the flexible hose or the extension pipe is fitted, and a position where the extension pipe or the floor suction tool is allowed to be connected to the connection opening while being retracted from the connection opening of the flexible hose or the extension pipe. And an arcuate round portion having the shaft support portion as a fulcrum is formed in a portion opposite to the shaft support portion on the outer peripheral surface of the attachment opening end portion. Electric vacuum cleaner. A vacuum cleaner body having an air inlet, a flexible hose connecting one end to the air inlet of the vacuum cleaner body, a connecting pipe disposed on the other end of the flexible hose and having a grip portion on the upper surface, An electric vacuum cleaner comprising: an extension pipe that is detachably connected to the connection pipe; and a floor suction tool that is detachably connected to the extension pipe, and the grip portion near the end of the connection pipe; A shaft support portion that is formed to project in the axial direction of the connection pipe on the lower surface facing each other, and a clearance attachment that slides and rotates in the axial direction of the connection pipe is provided on the shaft support portion. An electric cleaning characterized by sliding and rotating between a position where the connection pipe is fitted and a position where the extension pipe is allowed to be connected to the connection opening while being retracted from the connection opening of the connection pipe. Machine.

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