JP2007252541A - Tubular body for vacuum cleaner and vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tubular body for a vacuum cleaner which can save space when storing. <P>SOLUTION: A plurality of tubular members 15 having fitting sections 16 on the front end sides, first fitted sections 21 into which the fitting sections 16 of the adjacent other tubular members 15 fit, and second fitted sections 22 positioned each at one end side from the first fitted section 21 in an axial direction and having second fitted sections 22 into which the fitting sections 16 can fit in base end sides are connected each others in the axial direction. The distance between the connected tubular members 15 can be held in the longest state and the shortest state thereby space can be saved by contracting the same in the shortest state when storing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vacuum cleaner tube communicating with a suction side of an electric blower and a vacuum cleaner including the same.

  Conventionally, a vacuum cleaner includes a vacuum cleaner body that houses an electric blower. A main body suction port that communicates with the suction side of the electric blower is provided at the front portion of the vacuum cleaner body, and a hose body is connected to the main body suction port and is provided at a tip portion of the hose body. An extension pipe and a floor brush can be sequentially connected to the tip of the hand control section.

The hose body is formed in a bellows shape with a flexible resin, etc., and can be expanded and contracted during cleaning, and when stored, the vacuum cleaner body is set up with the front side of the vacuum cleaner body as the upper side and extended. A part of the tube is locked to the cleaner body, and the hose body is wound around the extension tube and the cleaner body (see, for example, Patent Document 1).
Japanese Patent Publication No. 5-56889 (page 2-3, Fig. 1)

  However, the above-described electric vacuum cleaner has a problem that the hose body itself does not shrink, and the position of the hose body may be moved during storage by being easily bent. is doing.

  This invention is made | formed in view of such a point, and it aims at providing the vacuum cleaner tube which can save space at the time of accommodation, and a vacuum cleaner provided with the same.

  The present invention includes a plurality of tubular members connected to each other in the axial direction, and can be held in the shortest state and the longest state with respect to the other tubular member adjacent to one tubular member. .

  According to the present invention, a plurality of tubular members are connected to each other in the axial direction, and the distance between the connected tubular members can be held in the shortest state and the longest state, respectively, so that the shortest state can be obtained when stored. The space can be saved by shrinking to.

  Hereinafter, the configuration of a vacuum cleaner tube according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.

  In FIG. 5, reference numeral 1 denotes a vacuum cleaner main body. The vacuum cleaner main body 1 separates and collects dust sucked together with intake air generated by driving an electric blower 2 housed in a dust collection pack (not shown). Dust vacuum cleaner. The cleaner body 1 is provided with swirling wheels and traveling wheels (not shown) so that the cleaner body 1 can travel on the floor as a surface to be cleaned.

  Further, a main body inlet 3 for sucking air from the outside is opened at the front portion of the cleaner body 1. The main body suction port 3 is connected to an elongated and substantially cylindrical tubular body 4 for a vacuum cleaner. At the tip of the vacuum cleaner tube 4, a cylindrical hand operating section 5 is provided that allows selection of a plurality of operation modes of the electric blower 2. The hand operating section 5 is provided with a gripping section 6 that is gripped by an operator when cleaning, and projects the electric blower 2 and the like in a plurality of driving modes. A plurality of setting buttons 7 for setting are provided.

  Further, an elongated and substantially cylindrical extension tube 8 that can be expanded and contracted is detachably connected to the distal end of the hand operation unit 5. Furthermore, a floor brush 9 serving as a suction port for sucking dust on the carpet is detachably connected to the distal end of the extension pipe 8, for example, placed on a carpet on the floor of the room. ing. Therefore, the floor brush 9 communicates with the suction side of the electric blower 2 through the extension pipe 8, the vacuum cleaner tube 4, and the main body suction port 3.

  The vacuum cleaner tube 4 is configured by connecting a plurality of tubular members 15 formed of a rigid member such as resin, metal, or hard rubber in the axial direction.

  As shown in FIGS. 1 to 3, each tubular member 15 includes a fitting portion 16 serving as a substantially cylindrical expansion / contraction operation portion located on the distal end side of the vacuum cleaner tube 4, and a vacuum cleaner tube. The substantially cylindrical fitting portion 17 located on the base end side 4 is integrally connected coaxially by a substantially cylindrical connecting portion 18. The tubular member 15 may be configured by connecting a pair of semi-cylindrical members to each other.

  The outer peripheral surface of the fitting portion 16 is formed in a shape obtained by cutting a spherical surface with a pair of parallel planes sandwiching a plane passing through the equator of the spherical surface. Therefore, the outside of the fitting portion 16 is formed in a spherical shape. Further, the inner peripheral surface of the fitting portion 16 is formed in a spherical shape so as to form a certain thickness with the outer peripheral surface.

  The fitted portion 17 is a portion into which the fitting portion 16 is inserted and fitted, the outer peripheral surface is formed in a cylindrical surface shape, and the fitting portion of the adjacent tubular member 15 on the inner peripheral side A first fitted portion 21 as an expansion / contraction fixing portion to which 16 can be fitted and a second fitted portion 22 as a bending fixing portion are formed adjacent to each other in the axial direction, and these first fitted portions 21 are formed. A locking projection 23 is provided at a position between the second fitting portion 22 and the second fitting portion 22. For this reason, the dimension of the fitted part 17 in the axial direction is formed to be approximately twice the dimension of the fitted part 16 in the axial direction.

  The first fitted portion 21 is located on the connecting portion 18 side in the fitted portion 17 and is formed in a cylindrical inner peripheral surface that can hold the fitted portion 16.

  Further, the second fitted portion 22 is positioned closer to the proximal end side of the tubular member 15 than the first fitted portion 21 in the fitted portion 17, and can slide on the outer peripheral surface of the fitted portion 16. It is formed in a spherical shape to hold. Further, the second fitted portion 22 includes a retaining portion 24 that protrudes toward the central axis of the tubular member 15 and prevents the fitting portion 16 from coming off at the proximal end portion of the tubular member 15. For this reason, each tubular member 15 is connected in the shape of a ball joint, and as shown in FIG. 4, the vacuum cleaner tube 4 is freely bent by each tubular member 15.

  The locking projection 23 is provided along the axial direction, protrudes toward the central axis, and inhibits the movement of the fitting portion 16 between the first fitted portion 21 and the second fitted portion 22. In addition, it is provided so as not to interfere with the fitting portion 16 when the fitting portion 16 held by the second fitted portion 22 slides.

  Further, the connecting portion 18 is formed to have a smaller diameter than the fitting portion 16 and the fitted portion 17, and has a larger axial dimension than the fitting portion 16 and a smaller axial dimension than the fitted portion 17. Yes. Therefore, the fitting portion 16 and the fitted portion 17 are formed in a diameter-expanded shape with respect to the connecting portion 18, respectively.

  And the pipe body 4 for vacuum cleaners is connected by inserting the fitting part 16 of the tubular member 15 located in the front-end | tip part at the base end side of the hand operation part 5. FIG. For this reason, although not shown, the same structure as the first fitted portion 21 and the second fitted portion 22 is formed on the proximal end side of the hand operating portion 5.

  The tubular member 15 located at the base end of the vacuum cleaner tube 4 is provided with a clamp (not shown) so as to be detachable from the main body suction port 3.

  Furthermore, the outer peripheral surface of one of the tubular members 15 is engaged with an engagement recess (not shown) formed on the bottom surface of the vacuum cleaner body 1 when the vacuum cleaner shown in FIG. A convex portion (not shown) for locking the vacuum cleaner tube 4 to the vacuum cleaner body 1 along the vertical direction is provided.

  Similarly, as shown in FIG. 5, a protrusion 25 is provided on the distal end side of the extension pipe 8 at a lower portion in a state where the floor brush 9 is placed on the floor surface. The projection 25 is engaged with a not-shown locking recess formed on the bottom surface of the cleaner body 1 when the vacuum cleaner shown in FIG. The vacuum cleaner main body 1 is configured to be latchable.

  Next, the operation of the above embodiment will be described.

  At the time of cleaning, a dust collection pack is attached to the main body 1 of the vacuum cleaner, the base end portion of the vacuum cleaner tube 4 is connected to the main body suction port 3, and the extension tube 8 and the floor are connected to the distal end of the hand operating portion 5. The brushes 9 are sequentially connected.

  In this state, the operator appropriately pulls each tubular member 15 of the vacuum cleaner tube body 4 so that the fitting portion 16 of each tubular member 15 gets over the locking projection 23, thereby adjacent each tubular member. The vacuum cleaner tube 4 is extended by moving to the 15 second fitted portions 22.

  Thereafter, the electric blower 2 is driven in a desired operation mode by grasping the grasping portion 6 of the hand operation portion 5 and operating a desired setting button 7, and the operator moves the floor brush 9 back and forth on the floor surface. And let the dust on the floor surface suck in with the air.

  The sucked dust is sucked into the dust collection pack through the floor brush 9, the extension pipe 8, the vacuum cleaner tube 4 and the main body suction port 3, and collected by the dust collection pack.

  The suction air in which dust is collected is sucked into the electric blower 2, passes through the electric blower 2, becomes exhaust air, and is exhausted to the outside of the cleaner body 1.

  When the cleaning is finished, the operator operates the setting button 7 to stop the electric blower 2, and then removes the vacuum cleaner tube 4 from the main body suction port 3 and the tip of the vacuum cleaner tube 4. The extension pipe 8 and the floor brush 9 are integrally removed from the section.

  Thereafter, each tubular member 15 of the tubular body 4 for a vacuum cleaner is pushed in, the fitting portion 16 is moved over the locking projection 23, and the first fitted portion 21 of each adjacent tubular member 15 is inserted. As a result, the connecting part 18 of each tubular member 15 is partly housed in the fitted part 17, the vacuum cleaner tube 4 is contracted to the shortest state, and is linear. It becomes.

  Then, as shown in FIG. 6, the vacuum cleaner tube 4, the extension tube 8, and the floor brush 9, which are contracted in a state where the rear portion of the vacuum cleaner body 1 is stood on the lower side, are combined with the cleaner body 1. The vacuum cleaner is put into a storage state by being engaged with the bottom surface (stand storage).

  As described above, according to the embodiment, the plurality of tubular members 15 are connected to each other in the axial direction, and the distance between the connected tubular members 15 is set to the shortest state (FIG. 1) and the longest state ( 2), the space between the tubular members 15 can be shortened to the shortest state during storage, so that the vacuum cleaner tube 4 does not move during storage and space saving is possible. become.

  Specifically, the tubular member 15 includes a fitting portion 16 provided at one end portion in the axial direction, and a fitting portion 16 of another tubular member 15 located adjacent to the other axial end portion. 1 fitting part 21 and the 2nd to-be-fitted part 22 which is located in the one end side of an axial direction rather than this 1st to-be-fitted part 21, and can fit the fitting part 16 are used, and a fitting part In the state where 16 is fitted to the second fitted portion 22, the distance between the tubular members 15 is maintained at the longest state, and in the state where the fitted portion 16 is fitted to the first fitted portion 21 Since the distance between the tubular members 15 is held in the shortest state, the vacuum cleaner tube 4 that can hold the distance between the tubular members 15 in the shortest state and the longest state can be easily configured.

  In addition, in the state where the fitting portion 16 is fitted to the first fitting portion 21 and the vacuum cleaner tube 4 is contracted, the vacuum cleaner tube 4 is linear. The stand can be stored in the same manner as in FIG.

  Further, by allowing the fitting portion 16 to be held in a spherical surface by the second fitted portion 22, the vacuum cleaner tube 4 can be bent at each tubular member 15 in the stretched state, and the vacuum cleaner tube. It becomes easy to move 4 and can ensure cleaning workability, and the vacuum cleaner tube 4 is not twisted during the cleaning work.

  In addition, since each tubular member 15 has rigidity, the vacuum cleaner tube 4 can be crushed even if an operator accidentally steps on the vacuum cleaner tube 4 during a cleaning operation or the like. There is no deformation.

  In the above-described embodiment, each tubular member 15 is limited to the above configuration as long as the distance from the other adjacent tubular member 15 can be held in the shortest state and the longest state. is not.

  Further, the number of connected tubular members 15 can be set as appropriate according to the desired length of the vacuum cleaner tube 4.

  Further, the vacuum cleaner tube 4 may be sealed by fitting the fitting portion 16 and the fitted portion 17 in an airtight manner, and covering the fitting portion 16 with a sealing member. May be.

  The vacuum cleaner is not limited to a canister type, and the vacuum cleaner tube 4 can be applied to an upright type vacuum cleaner having a hose body instead of the hose body.

It is explanatory drawing which cuts off one part and shows the accommodation state of the tubular body for vacuum cleaners of one embodiment of this invention. It is explanatory drawing which cuts off a part and shows the use condition of the tubular body for electric vacuum cleaners same as the above. It is a perspective view which shows the tubular member of the tubular body for vacuum cleaners same as the above. It is explanatory drawing which partially cuts out the bending state of the tubular body for electric vacuum cleaners same as the above. It is a perspective view which shows the vacuum cleaner provided with the tubular body for vacuum cleaners same as the above. It is explanatory drawing which shows the accommodation state of a vacuum cleaner same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner body 2 Electric blower 4 Vacuum cleaner tube
15 Tubular member
16 Mating part
21 First mating part
22 Second mating part

Claims (4)

A plurality of tubular members connected to each other in the axial direction;
One said tubular member can be hold | maintained in the state with the shortest state and the longest state with the other said other tubular member, respectively. The tubular body for vacuum cleaners characterized by the above-mentioned. The tubular member is
A fitting portion provided at one end;
A first fitted portion that is provided at the other end and is fitted with the fitting portion of the other adjacent tubular member;
2. The electric vacuum cleaner according to claim 1, further comprising a second fitted portion that is provided on one end side in the axial direction with respect to the first fitted portion and into which the fitted portion can be fitted. Tube. The outside of the fitting part is formed in a spherical shape,
The tubular body for an electric vacuum cleaner according to claim 2, wherein the inside of the first fitted portion is formed in a spherical shape that slidably holds the fitting portion. A vacuum cleaner body containing an electric blower,
A vacuum cleaner comprising: the vacuum cleaner tube according to any one of claims 1 to 3, wherein the vacuum cleaner tube is connected to the suction side of the electric blower and is connectable to the vacuum cleaner body.

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