JP6518933B2 - Suction tool and vacuum cleaner using the same - Google Patents

Description

  The present invention relates to a suction tool for sucking dust, and a vacuum cleaner using the same.

  In a general vacuum cleaner, a hose connected to a vacuum cleaner main body, a hand operation unit connected to the hose, an extension pipe connected to the hand operation unit, and the extension pipe are connected It consists of a nozzle.

  However, due to the large size of such nozzles, they are not suitable for wicking dust in high places, for example, on a closet.

  In order to solve such problems, various techniques are disclosed in the patent publication. For example, in Patent Document 1, a connecting portion is attached to the tip of the extension tube, and the tip of the connecting portion is further There is disclosed a vacuum cleaner capable of easily collecting dust by rotating a small brush even at a high place by mounting a brush holder having a brush rotatable by an axis.

JP, 2010-99165, A

  However, according to the technology described in Patent Document 1 described above, although the brush is rotatable, the extension pipe existing from the hand operation unit to the brush has a straight shape, so the brush can reach the top of the closet. It can not be drained and its use is limited.

  The present invention is intended to solve such a problem, and a suction tool capable of collecting dust even in a narrow place or a part such as a depth above a closet which a general nozzle can not reach, and a suction tool using the same It is in providing a vacuum cleaner.

In order to solve the said conventional subject, the suction tool for vacuum cleaners of this invention is a suction tool for vacuum cleaners which sucks in dust by suction wind , and it is connected with the connection pipe part which can be expanded and contracted, and the said connection pipe part And a joint portion having a plurality of pivoting portions, and a suction head rotatably connected to the joint portion, wherein the suction head is a back surface side of the suction head and a longitudinal length of the suction head A suction port extending in a direction, the plurality of pivoting portions being pivotable toward the same side of each pivoting portion, and a side opposite to the same side The two joints adjacent to each other are connected by one shaft , and the joint is assembled by joining two adjacent rotations with one shaft as an axis. And the pivoting portion has a projecting notch at one end and two or more grooves at the other end. Notch of one rotation of the adjacent rotating part, that the other fits into the two or more grooves on the selective of the rotation unit, positional regulation can in a state where the changed angle of the rotation portions The angle between the pivoting parts is changed, and a line extending in the extending direction of the extension pipe and a line extending in the extending direction of the suction port are in a substantially perpendicular relationship with each other. It is possible to maintain the vacuum cleaner suction tool in a substantially L-shaped configuration.

Since the suction tool of the present invention can change the angle between the rotating parts with a simple structure, and can adjust the bending angle of the joint parts and can hold the bent state without rattling, the usability during the cleaning operation is good. can do.

An external appearance perspective view of a vacuum cleaner in an embodiment of the present invention The external appearance perspective view which looked at the suction tool in embodiment of this invention from upper direction Same as above, an exploded perspective view of the connecting pipe portion of the suction tool Similarly, a cross-sectional view in the vicinity of the switch operation button of the connection pipe portion of the suction tool Same, exploded perspective view of joint of suction tool The same, the disassembled perspective view which shows the connection part of two rotation parts of a suction tool In the same manner, an external perspective view seen from below of the state where the suction head is connected to the joint of the suction tool Similarly, an external perspective view showing a state in which the joint portion of the suction tool is bent Similarly, the side view of the suction tool with the joint bent by 90 degrees Same, exploded perspective view of joint and suction head of suction tool

According to a first aspect of the present invention, in the vacuum cleaner suction tool for sucking in dust by suction wind, the vacuum cleaner suction tool has an outer extension pipe and an inner extension pipe, and the inner extension pipe with respect to the outer extension pipe. includes but sliding is stretchable and the connecting tube portion, and a plurality of joints having a rotating portion that is connected to the connecting pipe portion, and rotatably connected suction head with respect to the joint portion The joint portion is configured by connecting two adjacent pivoting portions by one shaft portion and combining two pivoting portions adjacent to each other with one shaft portion as an axis, and the pivoting portions are: A notch having a projecting notch at one end and two or more grooves at the other end, and a notch of one rotation part of adjacent rotation parts is selectively fitted into two or more grooves of the other rotation part Therefore, the position regulation is possible in a state in which the angles of the pivoting parts are changed, so that the pivoting part has a simple structure. The bending angle of the joint can be adjusted by changing the angle of the joint, and the position of the joint is controlled in a bent state, so that the bent state can be held without rattling, and the cleaning operation can be performed. Usability can be improved. In addition, dust can be collected from a narrow place or a part such as a depth above a closet which a general nozzle can not reach.

In the second invention, in particular, in the first invention, the joint unit is capable of bending and extending at a rotation angle from 0 degree to 150 degrees by combining a plurality of rotation units.
It is possible to bend the joint freely at a user-friendly angle.

A third invention is, in particular, by the first or for an electric vacuum cleaner suction tool of the second aspect of the invention, and a vacuum cleaner in communication with the vacuum cleaner main body with a built-in electric blower for generating suction air, electrical It is possible to sink the suction tool for a vacuum cleaner down to the top of the closet, and it is possible to provide a user-friendly electric vacuum cleaner that can clean up out of reach.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited by the embodiment.

Embodiment
FIG. 1 is an external perspective view of a vacuum cleaner according to an embodiment of the present invention.
In FIG. 1, the cleaner body 1 is provided with an electric blower (not shown) for generating a suction force and a dust collection unit (not shown). One end of the hose 2 is connected to the cleaner body 1 via a hose joint 3 and is in communication with the dust collection unit.

  One end of the hand operation unit 4 is connected to the hose 2 and is provided with a plurality of switches for the user to perform operations such as power on / off of the electric blower. On the other hand, the extension pipe 5 is connected to the other end of the hand operation unit 4, and the extension pipe 5 is configured to be extensible.

  Furthermore, the nozzle 6 is connected to the end of the extension pipe 5, and when the user performs a power-on operation using the hand operation unit 4, the electric blower inside the cleaner body 1 is driven, and the suction port of the nozzle 6 Suction air is generated from (not shown) and absorbs dust attached to the floor etc., and is collected in the dust collection part inside the cleaner body 1 through the extension pipe 5, the hand operation part 4 and the hose 2. It is possible.

  In addition, since the extension tube 5 is detachable with respect to the hand operation unit 4, the extension tube 5 can be removed from the hand operation unit 4 and dust can be sucked from the opening portion (not shown) of the hand operation unit 4 It is also possible to remove the nozzle 6 from the extension pipe 5 and suck in dust from the opening (not shown) of the extension pipe 5.

  FIG. 2 shows an external perspective view of a suction tool 7 according to an embodiment of the present invention. The suction tool 7 can be attached to the hand operation unit 4 instead of the extension pipe 5 and can also be attached to the extension pipe 5 instead of the nozzle 6.

  In FIG. 2, the suction tool 7 has a connection pipe portion 8, a joint portion 9 and a suction head 12. The connection pipe portion 8 can be expanded and contracted in the direction in which the suction tool 7 extends, and the user can expand and contract the connection pipe portion 8 while pressing the operation button 20. On the other hand, when the user does not press the operation button 20, the connecting pipe portion 8 can not be expanded or contracted, and the length of the connecting pipe portion 8 is maintained.

  The joint unit 9 includes a plurality of pivoting units 11 described later, and can be bent stepwise. The structure and bending operation will be described in detail later.

  The suction head 12 is connected to the tip of the joint 9, and as shown in FIG. 2, the suction head 12 is in the direction perpendicular to the direction in which the connection pipe 8 extends in the state of FIG. 12) can be rotated in the direction of arrow BB ', that is, can be rotated in a direction perpendicular to the direction in which the suction tool 7 extends It is.

  Further, the suction head 12 can rotate in the direction of the arrow CC in FIG. 2 with respect to the joint 9. That is, in the state shown in FIG. 2, the suction head 12 can be rotated clockwise or counterclockwise about the direction in which the connecting pipe portion 8 extends.

  A light emitting portion 13 is formed at the tip of the suction head 12. The light emitting portion 13 has an outer shell formed of a transparent resin or the like to emit light to the outside, and further, a semiconductor light emitting element such as a light emitting diode (LED) is disposed inside the light emitting portion 13. The light from the LED can be emitted to the outside.

  In addition, a switch operation unit 14 for emitting or extinguishing this LED is formed on the upper portion of the suction head 12, and the user can emit or extinguish the LED by sliding the switch operation unit 14. It is possible.

  FIG. 3 is an exploded perspective view of the connection pipe portion 8, and FIG. 4 is a central cross-sectional view of the connection pipe portion 8 near the operation button 20. In FIG. 3, the cover 16 is fitted into one end of the outer extension pipe 15, and the inner extension pipe 18 is inserted into the other end via the retaining member 17. Further, a first opening 19 is formed in the lower part of the outer extension pipe 15.

  In FIG. 4, a first projection 21 projecting inward is formed integrally with the operation button 20 inside the operation button 20, and a spring 22 is inserted into the first projection 21. There is. In addition, the first locking portion 23 is attached to one end of the operation button 20 so that the first locking portion 23 fits in the first opening 19 provided in the lower portion of the outer extension pipe 15. It is arranged.

When the first locking portion 23 is locked in any one of the plurality of first grooves 24 formed in the inner extension tube 18, the sliding of the inner extension tube 18 with respect to the outer extension tube 15 is It is regulated.

  Further, the second projection 26 of the locking plate 25 is disposed at a position facing the first projection 21 of the operation button 20. The above-described spring 22 is inserted into the second projection 26, and the spring 22 is interposed between the first projection 21 and the second projection 26.

  Normally, the operation button 20 is biased downward in FIG. 4 by the elastic force of the spring 22, and the first locking portion 23 is biased upward in FIG. Therefore, the first locking portion 23 is locked to the first groove portion 24, and the sliding of the inner extension pipe 18 with respect to the outer extension pipe 15 is restricted.

  When the user presses the operation button 20, the operation button 20 is pressed upward in FIG. 4 against the biasing force of the spring 22, and the first locking portion 23 is moved downward in FIG. 4 accordingly. The locking of the first locking portion 23 to the first groove portion 24 is released. Thus, the inner extension pipe 18 can slide relative to the outer extension pipe 15.

  FIG. 5 is an exploded perspective view of the joint 9. The joint unit 9 includes a plurality of pivoting units 11 and one fixing unit 10, and in the present embodiment, includes three pivoting units 11 and one fixing unit 10. The rotating portion 11 has a substantially circular third projection 27 at one end, and a substantially circular first hole 28 and a notch 30 at the other end.

  The third projection 27 of the pivoting portion 11 is inserted into the first hole portion 28 of the adjacent pivoting portion 11, and the pivoting portion 11 has the inserted portion as an axis B and the front in the D direction of FIG. It is possible to rotate about 30 degrees in a direction perpendicular to the direction in which the rotating part 11 extends.

  Note that this about 30 degrees means that it is possible to rotate up to about 30 degrees between the two rotating parts 11, for example, as in this embodiment, 3 rotating parts 11 are provided. When there are three, the total of rotations from the first rotation portion to the third rotation portion can be rotated up to about 90 degrees in total. That is, the rotating portion 11 on the side of the first connection pipe portion 8 with respect to the fixed portion 10 can be rotated up to about 90 degrees.

  An inclined surface 29 is formed on the front side (the suction head 12 side) of the rotating portion 11, specifically, in the upper vicinity of the third protrusion 27, so as to be inclined downward from the rear to the front, On the other hand, a notch in which a notch extends from the rear to the front of the pivoting portion 11 in the rear (the connection pipe portion 8 side) of the pivoting portion 11, specifically, in the upper vicinity of the first hole 28 30 are formed.

  FIG. 6 is an enlarged perspective view of a connection portion between the rotating portions 11. Two grooves of an upper groove 31 and a lower groove 32 are formed on both sides on the rear side of the rotating portion 11, while notches 33 are formed on the outer sides on the front side of the rotating portion 11.

  The upper groove 31 and the lower groove 32 both have a substantially triangular shape such that the width narrows from the rear to the front of the rotating portion 11 and is parallel to the extending direction of the rotating portion 11 One side of this triangle shape is present in. Furthermore, the upper groove 31 and the lower groove 32 have symmetrical shapes as if they were copied by a mirror, with the extending direction of the rotating portion 11 as an axis (tube axis direction).

  On the other hand, the notch 33 has a substantially triangular shape that gradually widens from the front to the rear.

By fitting the notches 33 into the upper groove 31 or the lower groove 32, a large to moderate wobble which is a hindrance to cleaning operation is generated between the rotating parts 11 engaged with each other. It is preventing. However, some play may be formed between the lower groove 32 or the upper groove 31 and the notch 33, and it is also possible to cause a slight wobble by this play.

  And in the state where the notch 33 exists in the upper groove 31, the rotation angle between two rotation parts 11 which mutually fit is about 0 degree, and the tube axes of the rotation parts are in the same direction. It is in the state of extending.

  Next, when the pivoting portion 11 is rotated by a predetermined angle or more in a state where the notches 33 are present in the upper groove 31, the pivoting portion 11 is formed of resin, so the elastic force causes the upper groove 31 to The notches 33 that have been present move over the boundary between the upper groove 31 and the lower groove 32 and move to the lower groove 32. By such an operation, as described with reference to FIG. 5, the pivoting portions 11 can rotate to about 30 degrees, and this angle can be maintained after about 30 degrees of rotation.

  Note that this angle is not limited to about 30 degrees, and depending on the shapes of the notch 33 and the groove part, it may be an angle of 30 degrees or more or an angle of less than 30 degrees.

  Although the groove portion is set to two of the upper groove 31 and the lower groove 32 this time, it is not limited to this number, and can be set to three or more. However, if the number of grooves is increased, the angle can be set more finely, but on the other hand, the pivoting portion 11 becomes larger or the holding power of the joint becomes weak. Therefore, the total value of the upper groove 31 and the lower groove 32 is Two to eight are suitable.

FIG. 7 is a perspective view of the state where the suction head 12 is attached to the joint 9 as viewed from below.
In FIG. 7, three bottom grooves 34 are formed on the lower rear side of the pivoting portion 11, while three projecting portions 35 are formed on the lower front side of the pivoting portion 11. The three protrusions 35 are arranged to be inserted into the three bottom grooves 34 respectively.

  FIG. 8 is a perspective view showing the joint portion 9 in a bent state. The joint portion 9 can be bent in this manner by rotating the rotating portions 11 with each other. As described above, since it is possible to rotate up to about 30 degrees between the two rotation parts 11, in the configuration of FIG. 8 in which three rotation parts 11 exist, the joint part 9 as a whole is about 90 degrees It is possible to rotate up to.

  A brush 36 is formed at a lower portion of the suction head 12, and a suction port 41 is further formed so as to be surrounded by the brush 36. The dust wiped off by the brush 36 is sucked from the suction port 41 and sent to the dust collection chamber of the cleaner body 1.

  Next, the pivoting portions 11 are fitted and connected as described above, and the pivoting angle between the pivoting portions 11 of each other is in a no pivoting state of approximately 0 degrees, that is, as shown in FIG. In the state where the two pivoting portions are positioned substantially in a straight line, the projecting portion 35 is inserted most deeply into the bottom groove portion 34, and is in a state of being buried in the other pivoting portion 11 or in the same plane.

As described above, when the pivoting portions 11 are made straight and substantially straight, the projecting portions 35 are not exposed to the outside, and therefore, when the user holds the pivoting portion 11, the projecting portions 35 do not hit the hand. , Does not give discomfort to the user.
At this time, there is no problem even if the protruding portion 35 protrudes to such an extent that the finger does not feel uncomfortable.

  Subsequently, in this state, when the pivoting portion 11 is pivoted and the joint portion 9 is bent, as shown in FIG. 8, a part of the projecting portion 35 of one pivoting portion 11 is the other pivoting portion 11 Exposed to the outside from the bottom groove 34 of the

  Then, the protruding portion 35 exposed to the outside partially closes the gap 42 generated at the valley-folded portion between the rotating portions 11 accompanying the rotation, and acts so as not to allow the human finger to enter.

  Therefore, with such a configuration, not only it is possible to increase the rotation angle of the rotation portion 11, but also when the rotation portion 11 rotates, the finger of the user rotates It is made not to be pinched by the gap part 42 which arises between.

  As shown in FIG. 9, when only the first rotation portion 11 is bent, it bends by about 30 degrees, and when the second rotation portion 11 is bent, it bends to about 60 degrees, and the third rotation portion When 11 is bent, the joint 9 bends to about 90 degrees. When the bending angle is thus increased, it is possible to sink the suction head 12 of the suction tool as far as the top surface of the closet or the top surface of the indoor unit of the air conditioner. It also enables cleaning of places that can not be reached.

  In addition, the number of rotation parts 11 can be increased any number. By increasing the number of rotating parts 11, it is possible to further increase the bending angle, and it is possible to change the shape into an arbitrary shape, but it is also possible to increase the number of rotating parts 11. The number of pivoting portions 11 is preferably 2 to 8, and the bending angle by one pivoting portion 11 is also 5 degrees because there is a disadvantage that the joint portion 9 becomes too large, heavy or long. -40 degrees are preferable. If the bending angle is too large, fine angle adjustment can not be performed, and if it is too small, many pivoting parts 11 have to be bent and it becomes complicated.

  FIG. 10 is a perspective view showing a state in which the suction head 12 is removed from the joint 9. A sliding groove 37 is formed at the tip of the fixed portion 10 of the joint 9, and a notch groove 39 for a projection 38 a of a notch member 38 described later to be fitted into a part of the sliding groove 37. Is formed.

  On the other hand, holes 40 are respectively formed on both sides on the rear side of the suction head 12, and the notch members 38 can be inserted into the holes 40 on both sides. Further, the notch member 38 can slide on the sliding groove 37 as described above, and the convex portion 38 a of the notch member 38 is fitted into the notch groove 39.

  Simply by inserting the tip of the joint 9 into the suction head 12, the suction head 12 easily falls off the joint 9. For this reason, in the present embodiment, in a state where the two notch members 38 are inserted from the hole 40 of the suction head 12, the sliding is made on the sliding groove 37 of the joint 9.

  For this reason, the suction head 12 is rotatable in the direction of the arrow CC 'in FIG. 10 (clockwise or counterclockwise about the extending direction of the joint 9) in a state of being inserted into the joint 9 In addition, the suction head 12 does not easily come off from the joint 9.

  Furthermore, the two notch members 38 can slide on the slide grooves 37, and the rotation can be restricted when the convex portions 38a of the respective notch members 38 are fitted into the notch grooves 39. Dust can be absorbed in a state where the convex portion 38a of the notch member 38 is fitted in the notch groove 39, that is, in a state where the suction head 12 is fixed to the joint portion 9 at a predetermined angle.

In such a state, the user rotates the suction head 12 in the direction of the arrow CC 'shown in FIG. 10, whereby the convex portion 38a of the notch member 38 rides on the sliding groove 37 from the notch groove 39 and slides. It slides on the moving groove 37, and the suction head 12 can be rotated relative to the joint 9.

  Incidentally, since both the joint portion 9 and the notch member 38 are formed of, for example, resin, the elastic force of the joint portion 9 and the notch member 38 enables the convex portion 38 a of the notch member 38 to ride on the sliding groove 37 from the notch groove 39. .

  Thus, in the present embodiment, as shown in FIGS. 8 and 9, it is possible to bend the suction tool 7 to a substantially L-shaped state by bending the joint portion 9. Further, as shown in FIGS. 2 and 10, the suction head 12 is moved in the direction of the arrow CC 'with respect to the joint 9, that is, clockwise or counterclockwise about the extending direction of the joint 9 as an axis. It is possible to rotate.

  Furthermore, as shown in FIGS. 2 and 10, the suction head 12 is directed in the direction of the arrow BB 'with respect to the joint 9, that is, in the direction perpendicular to the extending direction of the joint 9; The suction head 12 can be rotated, and the suction head 12 itself can be bent to be substantially L-shaped.

  As described above, in the present embodiment, by bending the joint portion 9, it is possible to absorb dust at a high place, for example, the upper part of the closet, and the suction head 12 is L-shaped relative to the joint portion 9. By turning it into a shape. Dust can be absorbed easily even in a narrow space.

  Further, since the light emitting portion 13 is mounted at the tip of the suction head 12 of the present embodiment, it is possible to absorb light by illuminating light even in a narrow and dark place.

  The present invention can be widely applied to household and commercial vacuum cleaners and the like.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 7 Suction tool 8 Connecting tube part 9 Joint part 11 Rotation part 12 Suction head 13 Light emission part 14 Switch operation part 15 Outer extension pipe 16 Cover 18 Inner extension pipe 20 Operation button 21 1st protrusion 22 Spring 23 first 1 Locking portion 24 First groove 25 Locking plate 26 Second protrusion 27 Third protrusion 28 First hole 29 Sloped surface 30 Notch 31 Upper groove 32 Lower groove 33 Notch 34 Bottom groove 35 Projection 36 Brush 37 Slide groove 38 Notch member 39 Notch groove 40 Hole 41 Suction port 42 Clearance

Claims (3)

It is a suction tool for vacuum cleaners that sucks in dust by suction air ,
Expandable connecting tube,
A joint connected to the connection pipe and having a plurality of pivots;
A suction head rotatably connected to the joint;
The suction head has a suction port extending on the back side of the suction head and in the longitudinal direction of the suction head,
The plurality of pivoting portions can be pivoted toward the same side of each pivoting portion, and can not pivot toward the side opposite to the same side.
The joint portion is configured by connecting two adjacent pivoting portions by one shaft portion, and combining two pivoting portions adjacent to each other with one shaft portion as an axis,
The pivoting portion has a projecting notch at one end and two or more grooves at the other end,
By selectively fitting the notches of one rotation portion of the adjacent rotation portions into two or more grooves of the other rotation portion, position regulation can be performed in a state where the angles of the rotation portions are changed. Yes,
For a vacuum cleaner, wherein the angle between the pivoting portions is changed, and a line extending in the extending direction of the extension pipe and a line extending in the extending direction of the suction port are in a substantially perpendicular relationship with each other. A suction tool for a vacuum cleaner, wherein the suction tool can maintain a substantially L-shaped state . The suction tool according to claim 1 , wherein the suction head is supported at an end of the joint portion at an axis extending in a direction perpendicular to a direction in which the suction head extends . The vacuum cleaner provided with a suction tool for a vacuum cleaner according to claim 1 or 2, wherein the suction port communicates with an electric blower that generates suction air built in the vacuum cleaner main body .

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