JP3143617B1 - Dust remover - Google Patents

Abstract

An object of the present invention is to provide an easy-to-use dust remover capable of easily cleaning indoor high places. SOLUTION: A dust removing main body 1 having a cylindrical grip portion 3 and a tip portion 4 provided on a tip end 20 side of the grip portion 3 is provided. In addition, there is provided a connecting rod 2 whose tip can be detachably inserted into a cylindrical grip portion 3 of the dust removing main body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust remover for removing dust from indoor walls, lighting fixtures and high places.

[0002]

2. Description of the Related Art Conventional dust removers for removing dust in a room include hitting with a piece of cloth on a stick and handy-type duster with hair on a handle. These were used to remove dust up to the height of a person.

[0003]

[Problems to be Solved by the Invention] However, even if dust collected at a high place such as on an air conditioner installed on a ceiling or a wall near the ceiling or on a chest of drawers is hit by a conventional hitting or handy type duster, it may not reach. There was no need to ride on a chair or table, which was cumbersome and dangerous.

Accordingly, an object of the present invention is to provide an easy-to-use dust remover which can easily clean a high place in a room.

[0005]

In order to achieve the above-mentioned object, a duster according to the present invention comprises a duster body having a cylindrical grip portion and a tip portion provided at a tip end side of the grip portion. And a connecting leg having a tip that can be detachably inserted into the cylindrical grip portion of the dusting body, and the grip portion and the tip portion are connected via a swing fixed switching mechanism. The swing fixed switching mechanism,
In the swingable state, resistance is imparted when the tip portion swings with respect to the grip portion.

A swing-fixing switching mechanism is provided at the base end of the tip portion and has an inner ring portion having a small uneven portion formed on the inner peripheral surface. A C-shaped ring having small irregularities on the outer surface corresponding to the irregularities, and an axial direction of the C-shaped ring disposed at a predetermined distance from the tip of the grip part and on both axial sides of the inner ring part; A pair of outer ring portions that are locked to both end surfaces and rotate integrally, and a large cam that is arranged in a cross shape at 90 ° in the axial direction and that is inserted inside the C-shaped ring. A switching operation section having a small cam, wherein the C-shaped ring has a large elliptical curved surface / small elliptical curved surface corresponding to the large cam / small cam on its inner surface side, The large cam and small cam of the section are rotated to press the large elliptical curved surface and small elliptical curved surface. Then, the small uneven portion of the C-shaped ring is pressed against the small uneven portion of the inner ring portion to switch to a fixed state in which the tip portion and the grip portion are fixed.

The spike portion has a core rod portion in which a hair portion is spirally wound, and the core rod portion is formed so as to become thinner toward the distal end side.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

FIG. 1 shows an embodiment of a dust wiping tool according to the present invention.
And a connecting leg 2 that can be detachably attached to the dust removing main body 1.

More specifically, as shown in FIGS. 1 and 2 (an exploded view of the dusting body 1), the dusting body 1
Is composed of a cylindrical grip portion 3, a tip portion 4 provided on the tip end 20 side of the grip portion 3, and a swing fixed switching mechanism 5 for connecting the grip portion 3 and the tip portion 4. Grip part 3
Is formed of a cylindrical body having a thickness that can be easily grasped by a human hand, and two elliptical holes 6 are formed in the vicinity of the tip thereof at one to 180 ° symmetrical positions.

The tip part 4 has a core rod part 8 in which a hair part 7 is spirally wound. Specifically, as shown in FIGS. 2, 4 and 6, the core rod 8 is entirely formed of plastic, and has a tapered rod 9 at the center and a longitudinal direction along the outer peripheral surface of the tapered rod 9. And four bristle portions 10 arranged in a substantially cross-sectional shape, and bristle hooks provided at a predetermined pitch along the edges of the two opposite ridge portions 10, 10. And a plurality of small convex portions 11. A groove 13 for hooking the bristle portion 7 is provided on the tip end surface of the core rod portion 8.
Are formed.

The bristle portion 7 of the spike portion 4 has a plurality of cords.
A plurality of bundles of bristle material 15 are tied in the longitudinal direction of 14, and the formed bristle portion 7 extends from the base end 16 side of the core rod portion 8 to the distal end.
After being spirally wound toward 12 and hooked on the groove 13 at the distal end 12, this time is spirally wound toward the proximal end 16 and both ends are fixed with tape or the like. Reference numeral 17 denotes a cover member that hides the fixed portion. As shown in FIG. 5, the spike portion 4 configured as described above is easily bent as shown by the arrow A because the core rod portion 8 is formed to be thinner toward the distal end 12, and is narrowed during use. Can also get into the smooth.

Next, as shown in FIG. 1 and FIG.
The swing fixed switching mechanism 5 that connects the grip 3 to the grip 3 includes an inner ring 18 provided at the base end 16 of the tip 4, a C-shaped ring 19 fitted inside the inner ring 18, and a grip. A pair of outer ring portions 2 provided at a distal end 20 of the portion 3 at a predetermined interval.
1, 21, a switching operation unit 22 for switching between a swinging state and a fixed state, and a cap 23.

A description will now be given of the components constituting the swing fixed switching mechanism 5 and the assembling procedure. As shown in FIGS. 2 and 7, the inner ring portion 18 is integrated with the spike portion 4. The small uneven portions 24 are formed on the inner peripheral surface at a predetermined pitch in the circumferential direction. That is, a large number of small grooves are juxtaposed along the inner peripheral surface.

As shown in FIGS. 7 and 8, the C-shaped ring 19 has, on its outer surface, a small uneven portion 25 having a shape corresponding to the small uneven portion 24 of the inner ring portion 18, and has an axial direction. With respect to both end faces 26, 26, a pair of projections 27,
There are 27 each. The projections 27 are located at an angular position of approximately 90 ° in the circumferential direction with respect to the slit 28 of the C-shaped ring 19. Further, a large elliptical curved surface 29 and a small elliptical curved surface 30 are arranged in the axial direction on the inner surface side of the C-shaped ring 19. 8A is a diagram viewed from the large elliptical curved surface 29 side, and FIG. 8B is a diagram viewed from the small elliptical curved surface 30 side. At this time, it is assumed that the large elliptical curved surface 29 is elliptical and the short axis side is disposed toward the slit 28, and the small elliptical curved surface 30 is elliptical and the long axis side is slit.
It is arranged toward 28. That is, the large elliptical curved surface 29 and the small elliptical curved surface 30 are in a state where their major axes or minor axes intersect with each other by 90 °. When assembling, first, the C-shaped ring 19 is fitted into the hole of the inner ring portion 18 (FIG. 9).
reference). Note that the axial thicknesses of the C-shaped ring 19 and the inner ring portion 18 are substantially equal.

Next, as shown in FIGS. 2 and 9, a pair of outer ring portions 21 and 21 are formed integrally with the distal end 20 of the grip portion 3, and include a C-shaped ring 19 and an inner ring portion. They are provided parallel to each other with 18 axial thickness separations. In addition, a C-shaped ring 19 is provided on the facing surface of each outer ring portion 21.
Are provided with engaging grooves 31, 31 which are engaged with the protruding portions 27, 27 provided on both end surfaces 26, 26. Note that the C-shaped ring 19 and the inner ring portion 18 (as indicated by arrow B) are
Insertion groove 3 on the insertion side to insert and assemble between 1 and 21
1 and 31 are grooved from the outer peripheral surface to the inner peripheral surface.
The inner ring 18 guides the inner ring 7 and the outer ring 21
Make sure it is fully inserted between the ones.

As shown in FIG. 2 and FIG.
Has a large cam 32 and a small cam 33 inserted inside the C-shaped ring 19, and a knob portion 34 having a diameter larger than the hole of the outer ring portion 21 is provided on the large cam 32 side, In addition, small cam
On the 33 side, a locking shaft portion 36 having a dovetail groove 35 formed on the end face is provided.

FIG. 11 shows a state in which the large cam 32 and the small cam 33 are inserted into the holes of the C-shaped ring 19, and FIG. 11A is a view as seen from the large cam 32 side. (B) is a view as seen from the small cam 33 side. As shown in FIGS. 11 and 10, the large cam 32 and the small cam 33 of the switching operation unit 22 are arranged side by side in the axial direction at an angle of 90 ° in a cross shape.
When the large cam 32 and the small cam 33 are inserted into the holes
Are arranged at positions corresponding to the large elliptical curved surface 29 and the small elliptical curved surface 30, respectively.

The large cam 32 has sliding contact surfaces 32a at both ends in the radial direction.
32a, and the length in the longitudinal direction is the major axis of the large elliptical curved surface 29.
That is, it is set shorter than the long axis 場合 when the large elliptical curved surface 29 is assumed to be elliptical. The small cam 33 has sliding contact surfaces 33a, 33a at both ends in the radial direction, and the length in the longitudinal direction is the major axis of the small elliptical curved surface 30, that is, the small elliptical curved surface 30 is assumed to be elliptical. In this case, it is set shorter than the long axis ───. When the switching operation unit 22 is attached to the C-shaped ring 19, the small cam 33 is inserted from the hole on the large elliptical curved surface 29 side. It is set shorter than the axis.

As shown in FIG. 2, the cap 23 is formed to have a larger diameter than the hole of the outer link portion 21 and has a pair of locking pieces 37 on its end face. After inserting the 22 into the C-shaped ring 19, the locking pieces 37, 37
Is engaged with the dovetail groove 35 of the locking shaft portion 36 of the switching operation portion 22 to prevent the switching operation portion 22 from being pulled out.

Next, as shown in FIGS. 1 and 3 (an exploded view of the connecting rod 2), the connecting rod 2 is a telescopic rod having an inner cylindrical body 38 and an outer cylindrical body 39. Cylindrical grip 40 at base end of body 39
And the insertion tube portion 41a of the sleeve 41 is fitted and fixed to the distal end.

A tapered screw member 42 is provided at the base end of the inner cylindrical body 38.
Is fitted and fixed by caulking, and a stopper member 43 with a female screw which can be expanded and contracted is screwed to the tapered screw member 42. On the other hand, a joint mechanism 44 is provided at the tip of the inner cylindrical body 38 so as to be detachable from the elliptical hole 6 of the grip portion 3 of the dust removing main body 1.

The joint mechanism 44 has an insertion tube portion at the base end.
A cylindrical joint member 45 having a mounting hole 45b into which the button 46 is inserted from the inside at the tip thereof, a ring member 47 externally fitted and fixed to the insertion cylindrical portion 45a, and provided inside the joint member 45. And a resilient member 48 for resiliently urging the button 46 to project from the mounting hole 45b to the outside.
It is inserted into the distal end hole of the inner cylinder 38 together with 47, and the inner cylinder 38 is caulked and fixed.

Thus, according to the connecting rod 2, the inner cylindrical body
When the outer cylinder 39 is slid with respect to the outer cylinder 39 at a desired length and the outer cylinder 39 is rotated with respect to the inner cylinder 38, a stopper member 43 that slides on the inner peripheral surface of the outer cylinder 39 is tapered. Since the screw 42 is screwed and expanded to make pressure contact with the inner peripheral surface of the outer cylinder 39, the inner cylinder
38 is fixed to the outer cylinder 39 at a desired length position. Further, the tip of the connecting rod 2 is dusted, and the grip portion 3 of the main body 1 is removed.
The button 46 of the joint mechanism 44 is locked in the elliptical hole 6, and the connecting rod 2 is attached to the dust removing main body 1, so that dust can be removed at a high place.

A groove is formed in the distal end surface of the connecting rod 2 (joint member 45), and an engaging piece (not shown) for engaging with the groove is provided on the grip portion 3 of the dusting body 1.
Is provided inside the dust box.
More detent. In addition, if the button 46 is pressed, the dust removing body 1 can be pulled out from the connecting rod 2 and can be used as a handy type dust removing tool.

Next, the operation of the dust wiping tool according to the present invention will be described. FIGS. 1 and 11 (a) and (b) show a state in which the tip 4 can be swung. In the character ring 19, the large cam 32 is located on the long axis side of the large elliptical curved surface 29, and the small cam 33 is located on the long axis side of the small elliptical curved surface 30. That is, the large cam 32 and the small cam 33 do not press the C-shaped ring 19. When a force in the swing direction is applied to the tip portion 4 with respect to the grip portion 3 in the swingable state,
As shown by the arrow G, the inner ring portion 18 fixed to the tip 4 rotates around a C-shaped ring 19 fixed to the grip portion 3 (via a pair of outer ring portions 21, 21). I do. At this time, since the small uneven portion 24 of the inner ring portion 18 is in sliding contact with the small uneven portion 25 of the C-shaped ring 19, resistance is applied.

That is, resistance occurs when each small convex portion of the small uneven portion 24 of the inner ring portion 18 comes into sliding contact with each small convex portion of the small uneven portion 25 of the C-shaped ring 19. Therefore, the small uneven portion of the inner ring portion 18
The spike portion 4 is positioned when the small convex portions (or small concave portions) of the 24 fit into the small concave portions (or small convex portions) of the small concave and convex portions 25 of the C-shaped ring 19, so that the multi-step is performed. The swing angle of the tip 4 can be finely adjusted. Also, as shown in FIG. 13, even when the dust at the height of the ceiling 48 or the wall 49 is removed, the angle can be easily changed by pressing the tip 4 against the ceiling 48 or the wall 49 (as indicated by an arrow). In addition to the fact that the tip 4 is bent in addition to imparting a certain degree of resistance, the tip 4 is shaken when dust is removed,
The desired angle is maintained without swinging even if it hits 49 lightly.

On the other hand, if it is desired to fix the tip 4 at a desired angle, the knob 34 of the switching operation unit 22 is fixed from the swing switching position as shown in FIGS. By turning to the switching position (turning 90 ° in the example shown), the large cam 32 and small cam 33
Is rotated (as indicated by an arrow), and the sliding surfaces 32a, 32a of the large cam 32 are rotated.
Are the short-axis-side curved surfaces 50 and 5 of the large elliptical curved surface 29 of the C-shaped ring 19
0, 50 and the sliding surfaces 33a, 33a of the small cam 33.
Presses the short-axis-side curved surfaces 51, 51 of the small elliptical curved surface 30. As a result, the diameter of the C-shaped ring 19 is increased substantially uniformly over the entire circumference, and the small uneven portion 25 of the C-shaped ring 19 is pressed against the small uneven portion 24 of the inner ring portion 18, and the tip on the inner ring portion 18 side The part 4 and the grip part 3 on the side of the C-shaped ring 19 are fixed.

[0029]

Since the present invention is configured as described above, the following effects can be obtained.

The dust removing main body 1 can be used as a handy type dust removing tool, and if a connecting rod 2 is attached to the dust removing main body 1, a lighting fixture, a ceiling or a ceiling near a wall can be used. It can be used as a dust remover for high places to clean etc., and can be used quickly and conveniently.

Further, the angle of the spike portion 4 can be changed according to the place of use, and cleaning can be performed efficiently in a comfortable posture. At this time, even when the connecting leg 2 is attached to the dust removing main body 1, the angle can be easily changed by pressing the spike portion 4 against a wall or a ceiling, and no trouble is required. Further, when the tip 4 is swung with respect to the grip 3, a certain degree of resistance is given, so that the tip 4 is shaken when dust is removed, or the tip 4 is lightly placed on a ceiling, a wall, or the like. It does not swing if hit, and the desired angle is maintained.

The swing fixed switching mechanism 5 can be constructed with a simple structure and with a small number of parts. Further, if the switching operation section 22 switches to the fixed state, the tip section 4
The Ru can be reliably and firmly fixed at a desired angle with respect to the grip portion 3.

In particular, when the resistance is applied and when the resistance is fixed,
Equalize (friction) resistance at every 90 ° of 360 °
Because no force is applied to each part,
Molding can be achieved and the life is extended. And the resistance to swing
The drag is stable and it can be
You.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of dust removal of the present invention.

FIG. 2 is an exploded view of a dusting body.

FIG. 3 is an exploded view of the connecting rod.

FIG. 4 is a front view of a main part showing a core rod part of a tip part.

FIG. 5 is an explanatory view showing the degree of bending of a tip part.

FIG. 6 is a sectional view of a main part showing a state in which a bristle is spirally wound around a core rod.

FIG. 7 is an essential part perspective view showing an inner ring portion and a C-shaped ring.

FIG. 8 is an explanatory view showing a front surface and a rear surface of a C-shaped ring.

FIG. 9 is an explanatory diagram for explaining the assembly of an inner ring portion into which a C-shaped ring is fitted and a pair of outer ring portions.

FIG. 10 is a perspective view showing a switching operation unit.

FIG. 11 is an explanatory diagram illustrating a swing switching state of a switching operation unit.

FIG. 12 is an explanatory diagram illustrating a fixed switching state of the switching operation unit.

FIG. 13 is an explanatory diagram showing a use state in which dust is removed from a high place.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Dust removal main body 2 Joint leg 3 Grip part 4 Ear part 5 Swing fixed switching mechanism 7 Hair 8 Core rod 12 Tip 16 Base end 18 Inner ring part 19 C-shaped ring 20 Tip 21 Outer ring part 22 Switching operation Part 24 Small uneven part 25 Small uneven part 26 End surface 29 Large elliptical curved surface 30 Small elliptical curved surface 32 Large cam 33 Small cam

Continuation of the front page (56) References JP-A-10-43112 (JP, A) JP-A-9-327429 (JP, A) JP-A-59-188060 (JP, U) JP-A-6-1332663 (JP) , U) Japanese Utility Model 63-136561 (JP, U) Japanese Utility Model 1-92963 (JP, U) Japanese Utility Model 50-43989 (JP, Y2) Japanese Utility Model Utility Model 39-20630 (JP, Y1) 3054852 (JP, U) Registered utility model 3048392 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L 13/38

Claims (1)

(57) [Claims] 1. A dusting body 1 having a cylindrical grip portion 3 and a tip portion 4 provided on a tip end 20 side of the grip portion 3, and a tip of the dust gripping body 3 of the dusting body 1. And a connecting leg 2 which can be detachably inserted. The grip portion 3 and the tip portion 4 are connected via a swing fixed switching mechanism 5, and the swing fixed switching mechanism 5 , Provided at the base end 16 of the tip 4
Inner phosphorus having small irregularities 24 formed on the inner peripheral surface
And a small concave portion fitted inside the inner ring portion 18 and
C-shaped phosphorus having small irregularities 25 corresponding to convexes 24 on the outer surface
And a predetermined distance between the grip 19 and the tip 20 of the grip portion 3 and
The C-shaped member is disposed on both sides of the inner ring portion 18 in the axial direction.
It locks on both axial end faces 26, 26 of the mold ring 19 and turns integrally.
Cross-shaped at a 90 ° angle with a pair of moving outer ring parts 21 and 21
And the inside of the C-shaped ring 19
Switching operation unit 22 having large cam 32 and small cam 33 inserted into
And the C-shaped ring 19 is provided on the inner surface side.
The large elliptical curved surface 29 corresponding to the large cam 32 and the small cam 33
A small elliptical curved surface 30, and the large power of the switching operation unit 22;
The large elliptical curved surface 29 and the small ellipse
Press the circular curved surface 30 to move the small irregularities 25 of the C-shaped ring 19 inside.
Grip with the tip 4 by pressing against the small irregularities 24 of the ring 18
It is configured to switch to a fixed state in which the portion 3 is fixed , and the swing fixed switching mechanism 5 applies resistance when the tip 4 swings with respect to the grip portion 3 in the swingable state. A dust remover characterized by being configured as follows.