JP2002017640A - Head holder for cleaning utensil - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a head holder for a cleaning utensil wherein a handle can be locked at a desired angle to the head of the cleaning utensil. SOLUTION: This head holder for the cleaning utensil is equipped with a holder section to which the head of the cleaning utensil is attached, and a handle section which is turnably connected to the holder section on a pivotal shaft. Also, the head holder for the cleaning utensil is equipped with a lock mechanism which can lock the handle section to the holder section at a desired angle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning tool head holder for holding a cleaning tool head such as a broom, a brush or a mop and connecting it to a handle or the like.

[0002]

2. Description of the Related Art Heretofore, there has been a cleaning tool head holder which holds a cleaning tool head such as a broom, brush or mop, and rotatably connects a handle or the like.
FIGS. 4 and 5 show a head holder of such a conventional cleaning tool. FIG. 4 shows a head holder 10 of a conventional cleaning tool.
FIG. 5 is a cross-sectional view taken along the line VV in FIG. The head holder 100 of this cleaning tool
Is an example in which a broom is attached as a head C of a cleaning tool.

As shown in FIG. 4, a cleaning tool head holder 100 is provided with a holder 101 to which a cleaning tool head C is attached and a handle 102 to which a handle B is attached. A plate-shaped connecting portion 112 having a through hole 13 is integrally formed on the base end side of the holder portion 101.
A pair of wall portions 22 having a through-hole 23 corresponding to the through-hole 13 on the distal end side of the handle portion 102 and
a and 22b are integrally formed. The handle portion 102 sandwiches a plate-like connecting portion 112 between the wall portions 22 of the holder portion 101.
By inserting the pivot 3 into each of the through holes 13, 23,.
It is pivotally supported by the holder 101.

As shown in FIG. 5, the pivot 3 has a key groove 35 on the outer peripheral surface of a shaft portion 32 having an outer diameter equivalent to the inner diameter of the through holes 13, 23,. By engaging with the keys 14 formed in the through-hole 13 of the shape connecting portion 112, the holder portion 101 rotates in synchronization with the rotation of the holder portion 101. The pivot 3 is integrally formed of an elastically deformable material such as a thermoplastic resin. As shown in FIGS. 4 and 5, the end of the pivot 3 is provided with a locking projection protruding inward in the axial direction. 33 are formed. On the other hand, the handle 102
Are formed integrally from an elastically deformable material such as a thermoplastic resin. A plurality of locking grooves 24 are formed at equal intervals on a concentric circle centered on the through hole 23 in the wall portions 22a. I have. The locking projections 33 engage with any part of the locking grooves 24.

[0005] This conventional cleaning tool head holder 100
Is assembled and used, for example, by fixing the head C of the cleaning tool to the holder 101 with screws or the like and inserting the handle B into the handle 102. In the head holder 100 of this conventional cleaning tool, the locking projections 33 engage with the locking grooves 24.
Can be lightly fixed at a desired angle. This angle can be obtained by forcibly rotating the cleaning tool head C.
The pivot 3 rotates in synchronization with this rotation, and the locking protrusions 33... Are elastically deformed in the axial direction of the pivots 3.

Therefore, when cleaning is performed using the conventional cleaning tool head holder 100, the cleaning tool head C is placed on a surface to be cleaned, such as a floor or a wall, depending on the posture to be cleaned and the place to be cleaned. Can act on the entire cleaning surface C ′.

[0007]

However, in the above-described conventional cleaning tool head holder 100, the handle B is lightly fixed at a desired angle with respect to the cleaning tool head C, but is not completely fixed. Therefore, for example, in the case of wiping and cleaning by attaching a mop or the like instead of a broom, the wiping force rotates the head C of the cleaning tool, so that no force can be applied to the surface to be wiped. , Can not be wiped clean.

Accordingly, the present invention has been devised in view of the above circumstances, and provides a cleaning tool head holder that can lock a handle at a desired angle with respect to the cleaning tool head. Is the task.

[0009]

DISCLOSURE OF THE INVENTION In order to solve the above problems, the present invention employs the following technical means.

That is, the head holder of the cleaning tool provided by the present invention comprises a holder to which the head of the cleaning tool is attached and a handle rotatably connected to the holder about a pivot. A head holder for a cleaning tool provided with a lock mechanism capable of locking the handle at a desired angle with respect to the holder.

In the present invention, the handle can be rotated at a desired angle with respect to the head of the cleaning tool. Therefore, depending on the posture when cleaning and the place to clean,
Cleaning can be performed on the surface to be cleaned, such as a floor or a wall, using the entire cleaning surface of the cleaning tool head. Moreover, since the handle can be locked at a desired angle with respect to the head of the cleaning tool by the lock mechanism, the head of the cleaning tool and the handle can be used even when the head of the cleaning tool is wiped and cleaned using a mop or the like. Can be wiped by applying force to the surface to be wiped without rotating the surfaces.

In a preferred embodiment, the lock mechanism is provided on one of the holder portion and the handle portion, and includes a plurality of convex portions or concave portions formed along an arc centered on the pivot axis; A locked state provided on the other of the portion and the handle portion and engaged with at least one of the plurality of protrusions or recesses, and an unlocked state not engaged with any of the plurality of protrusions or recesses can be selected. And a lock member.

In a preferred embodiment, the holder portion and the handle portion are formed integrally with a plate-like connecting portion having a predetermined thickness at a base end side of the holder portion, and penetrate through the plate-like connecting portion. While forming the hole, a pair of wall portions sandwiching the plate-shaped connecting portion are integrally formed on the tip side of the handle portion, and a through hole is formed in the pair of wall portions, and the pair of wall portions and By inserting a pivot into each through-hole of the plate-shaped connecting portion, they are rotatably connected to each other, and the plurality of convex portions or concave portions are formed on the outer peripheral portion of the plate-shaped connecting portion. In addition, the lock member is provided on the handle so as to be able to advance and retreat in the axial direction.

According to such a configuration, the lock mechanism includes a lock member that can select between a lock state in which the head and the handle of the cleaning tool cannot rotate with each other and an unlock state in which the head and handle can rotate with each other. Have. The locked state and the unlocked state can be easily switched by moving the lock member forward and backward along the axis of the handle.

In a preferred embodiment, the handle is formed in a tubular shape, and the lock member is fitted inside the handle, and is movable forward and backward along the axis of the handle. A locking portion formed integrally with a tip of the piston portion and protruding from between the pair of wall portions and capable of engaging with at least one of the plurality of protrusions or recesses; And an operating portion protruding outside through a side wall of the handle portion from the portion.

According to such a configuration, since the lock member is provided inside the handle, it is not visible from the outside and has a good appearance. Further, since the lock member has an operation portion protruding outside the handle portion, if the operation portion is slid by, for example, a foot or the like, the locked state and the unlocked state can be easily switched. be able to. Therefore, the handle can be more easily locked at a desired angle with respect to the head of the cleaning tool.

Other features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is an exploded schematic perspective view showing an example of a head holder of a cleaning tool according to the present invention, and FIG.
3 is a sectional view taken along the line III-III of FIG. In the following, the cleaning tool head holder according to the present invention is based on the assumption that a lock mechanism for locking the handle at a desired angle with respect to the holder is further incorporated into the conventional cleaning tool head holder 100. explain. The same reference numerals are given to members and elements equivalent to those shown in FIGS. 4 and 5 showing a conventional example.

As shown in FIGS. 1 to 3, the head holder A of the cleaning tool includes a holder 1 to which the head C of the cleaning tool is mounted and a handle 2 to which the handle B is mounted. The part 2 has a pivot 3 with respect to the holder part 1.
Are connected so as to be rotatable around. The head holder A of the cleaning tool includes a lock mechanism that can lock the handle 2 at a desired angle with respect to the holder 1.

In the present embodiment, the holder 1 is integrally formed of a thermoplastic resin, and as shown in FIG.
A mounting portion 11 for mounting the head C of the cleaning tool is provided on the distal end side, and a plate-like connecting portion 12 integrally formed so as to extend from a part of the mounting portion 11 is provided on the base end side. .

As shown in FIG. 1, the mounting portion 11 has a U-shaped cross section and a substantially rectangular plate-like top plate 1.
A pair of side plates 11b... Opposing each other extend from both end edges of 1a. Cleaning tool head C
Are narrowed between these side plates 11b and fixed by screws 11c or the like.

In the present embodiment, the mounting portion 11 is formed to have a U-shaped cross section as described above. However, the mounting portion 11 may have various shapes such as a clamp body capable of holding the head C of the cleaning tool. It can also be formed.

The plate-like connecting portion 12 is a portion for rotatably connecting the handle portion 2 to the holder portion 1, and as shown in FIG. The holder 1 is formed in a substantially disk shape with a predetermined thickness so that the holder 1 is not rattled in a state of being sandwiched therebetween. The plate-like connecting portion 12 has a through-hole 13 formed at the center thereof, and the through-hole 13 is provided with two keys 14 extending from a part of the inner surface.

In the present embodiment, the handle 2 is formed of a material such as a thermoplastic resin. As shown in FIG. 1, a connecting portion 21 for connecting the handle B is formed on the base end side. ing. As shown in FIGS. 1 and 3, a pair of wall portions 22a and 22b are integrally formed on the distal end side of the connecting portion 21 so as to extend from a part thereof.

As shown in FIG. 1, the connecting portion 21 is formed in a substantially cylindrical shape, and has an inner diameter equal to the outer diameter of the rod-shaped handle B. The handle B is firmly fixed by being inserted into the connection portion 21 and then riveted.

As shown in FIGS. 1 and 2, the pair of wall portions 22a and 22b have a substantially disk shape corresponding to the plate-like connecting portion 12. Also, these wall portions 22...
As shown in FIG. 3, the gap between them is equal to or slightly larger than the thickness of the plate-like connecting portion so that the plate-like connecting portion 12 can be sandwiched therebetween. Have been. Further, a through hole 23 having the same diameter as the through hole 13 of the plate-like connecting portion 12 is formed at the center of each of the wall portions 22.

As shown in FIGS. 1 and 2, the side 22 'of at least one of the walls 22 has the same shape on a concentric circle centered on the through hole 23. Are formed at equal intervals.

As shown in FIGS. 1 and 3, the pivots 3 are inserted into the through holes 13, 23 from the wall 22a side, and are inserted from the other wall 22b side. And a male pivot 3b.

In the present embodiment, the female pivot 3a is integrally formed from a material which can be elastically deformed such as a thermoplastic resin. As shown in FIG. 3, a circular plate-shaped shaft head 31a and this shaft head 31a are formed. And a shaft portion 32a extending from the shaft.

The shaft head 31a has a diameter equal to that of the wall portion 2a.
2 are substantially equal in diameter to each other. As shown in FIGS. 1 and 3, two locking projections 33 corresponding to the respective locking grooves 24 of the wall portion 22a are formed on a part of the back surface. Are integrally formed. These locking projections 33 engage with any of the locking grooves 24 when the head holder A of the cleaning tool is assembled.

As shown in FIGS. 1 and 3, the shaft portion 32a is formed in a substantially cylindrical shape, and is provided with cutouts 36 extending from the tip to the shaft head 31a. As a result, the female pivot 3a has its shaft portion 32a elastically deformed inward in the radial direction, and can be easily inserted into the through holes 13, 23.

The axial length of the shaft portion 32a is substantially equal to the distance between the wall portions 22... Is provided. Thereby, this female pivot 3a
When the shaft head 31a is inserted until the shaft head 31a comes into contact with the plate-shaped connecting portion 22a, the hook 34 is caught on the edge of the through-hole 23 on the plate-shaped connecting portion 22b side, so that the hook 34 does not easily come off.

Further, the outer diameter of the shaft portion 32a is
Key holes 35 are formed on the outer peripheral surface of the through holes 13, 23 so as to correspond to the keys 14 of the plate-like connecting portion 12. The above key 14 ...
And the key grooves 35 engage with each other with the female pivot 3a pivotally supporting the holder 1 and the handle 2. As a result, the female pivot 3a rotates in synchronization with the holder 1.

In the present embodiment, the male pivot 3b is integrally formed from a material which can be elastically deformed, such as a thermoplastic resin. As shown in FIG. 3, a circular plate having the same diameter as the wall portions 22 is formed. It has a shaft head 31b in the shape of a circle and a shaft portion 32b extending from the shaft head 31b.

The shaft portion 32b is formed in a substantially cylindrical shape as shown in FIGS. 1 and 3, and has an outer diameter equal to the inner diameter of the shaft portion 32a of the female pivot 3a. An annular projection 37 is formed on a part of the outer peripheral surface.
On the other hand, an annular groove 38 corresponding to the annular projection 37 is formed on the inner wall of the shaft portion 32a of the female pivot 32a. The male pivot 3b is connected to the shaft 32 of the female pivot 3a.
By being attached so as to be inserted into a, the annular projection 37 is engaged with the annular groove 38 so that it does not easily come off the female pivot 3a.

The locking projections 33 may be formed on the shaft head 31b of the male pivot 3b as well as the female pivot.

As shown in FIGS. 1 and 2, the lock mechanism includes a plurality of convex portions 4 integrally formed on a part of the outer peripheral portion of the plate-like connecting portion 12, and a plurality of these convex portions 4. It is provided with a lock member 5 that can select between a locked state that engages at least one of them and an unlocked state that does not engage with any of them.

As shown in FIGS. 1 and 2, the convex portions 4 are arranged at about a half circumference on the base end side of the outer peripheral portion of the plate-like connecting portion 12, and in this embodiment, They are arranged so as to correspond to the locking grooves 24.

As shown in FIGS. 3 and 4, the lock member 5 has a piston portion 51 fitted inside the handle portion 2 and a lock action portion 52 integrally formed at the tip of the piston portion 51. And

In the present embodiment, the piston 51 is
It has an outer diameter that is equal to or slightly smaller than the inner diameter of the connection portion 21, and as shown in FIGS. 2 and 3, the inside of the connection portion 21 advances and retreats along its axis (FIG. (Vertical direction in FIG. 5).

As shown in FIG. 2, the lock action portion 52 has one concave portion 55 corresponding to the convex portion 4. When the lock member 5 advances toward the protrusions 4, the recess 55 can protrude from between the pair of walls 22. Thereby, the lock member 5 can be in a locked state in which the concave portion 55 is engaged with one of the convex portions 4... And an unlocked state in which the concave portion 55 is not engaged with any of the convex portions 4.

As shown in FIGS. 3 and 5, the lock member 5 has an operating portion 5 for moving the lock member 5 forward and backward.
3 The operation unit 53 is connected to the connection unit 2 of the handle 2.
A plate 53a along the side wall 1 and the plate 53a
Lever 53b integrally formed to protrude from the surface of
And a connecting portion 53c extending from the back surface of the plate 53a toward the inside of the connecting portion 21 and fixed to the piston portion 51. A long hole 54 extending in the up-down direction in FIGS.
Is provided, and if the operation section 53 is moved forward and backward, the lock member 5 can be moved forward and backward in conjunction therewith.

Next, the operation of the head holder A of the cleaning tool having the above configuration will be briefly described.

When the head C of the cleaning tool is forcibly rotated when the lock member 5 is in the unlocked state, the pivot 3a rotates in synchronization with this rotation. Since the locking projections 33 are elastically deformed in the axial direction of the pivots 3, the handle B can be rotated at a desired angle with respect to the head C of the cleaning tool. Therefore, when using the head holder A of the cleaning tool, the entire cleaning surface C ′ of the head C of the cleaning tool is used with respect to a surface to be cleaned such as a floor or a wall, depending on the posture to be cleaned and the place to be cleaned. Can be cleaned. In this unlocked state,
The engagement between the locking projections 33 and the locking grooves 24 allows the head C and the handle B of the cleaning tool to be lightly fixed to each other at the above angle.

Here, when the operating portion 53 is operated, since the projections 4 of the plate-like connecting portion 12 are arranged so as to correspond to the locking grooves 24, the locking action portion 5 is formed.
The two concave portions 55 are engaged with the convex portions 4, and the lock member 5 takes a locked state. In such a locked state, the angle of the cleaning tool with respect to the head C of the handle B can be completely fixed. Therefore, even in the case of, for example, wiping a dirty floor surface, cleaning is performed with a greater force. be able to. The operation of the operation unit 53 as described above is performed by sliding the lever 53b with a foot or the like.
It can be done easily.

Of course, the scope of the present invention is not limited to the above embodiment. Handle 2 is holder 1
In order to be able to rotate at a desired angle with respect to the plate, the locking projections 33 and the locking grooves 24 are not formed, and the plate-like connecting portion 12 is simply pivoted to the pair of wall portions 22. You may just support it.

In the above-described embodiment, the lock mechanism comprises a plurality of convex portions 4 formed on the outer peripheral portion of the plate-like connecting portion 12.
, And a lock member 5 provided with a concave portion 55 capable of engaging with at least one of these convex portions 4. May be a convex portion.

As described above, in the cleaning tool head holder of the present invention, the handle can be locked at a desired angle with respect to the cleaning tool head.

[Brief description of the drawings]

FIG. 1 is an exploded schematic perspective view showing an example of a head holder of a cleaning tool according to the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a schematic perspective view showing an example of a head holder of a conventional cleaning tool.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Holder part 2, Handle part 3a, 3b Axis 4 Convex part 5 Lock member 12 Plate connection part 13, 23 Through hole 22a, 22b Wall part 51 Piston part 52 Lock action part 53 Operation part 55 Depression A Head holder of cleaning tool C Cleaning tool head

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Ryosuke Umehara 3-5-29, Noribori, Nishi-ku, Osaka F-term in Teramoto Co., Ltd. 3B074 AB03 FF06 3B202 AA21 AB15 BA13 DA02 DA04 DA07 DB04 3J105 AA03 AB22 AC10 BB15 BB25 BB33 BB52 BC02 DA31

Claims (4)

[Claims] 1. A cleaning tool head holder comprising: a holder to which a cleaning tool head is attached; and a handle rotatably connected to the holder about a pivot. A lock mechanism capable of locking the holder at a desired angle with respect to the holder part. 2. The lock mechanism is provided on one of the holder and the handle, and includes a plurality of protrusions or recesses formed along an arc centered on the pivot. A lock member provided on the other side and capable of selecting between a locked state that engages with at least one of the plurality of convex portions or concave portions and an unlocked state that does not engage with any of the plurality of convex portions or concave portions. The head holder of the cleaning tool according to claim 1, wherein the head holder is configured as follows. 3. The holder portion and the handle portion integrally form a plate-like connecting portion having a predetermined thickness on a base end side of the holder portion, and form a through hole in the plate-like connecting portion.
A pair of wall portions sandwiching the plate-like connecting portion are integrally formed on the tip side of the handle portion, a through hole is formed in the pair of wall portions, and each of the pair of wall portions and the plate-like connecting portion is formed. The plurality of protrusions or recesses are formed on the outer periphery of the plate-shaped connection portion, and the lock member is The head holder for a cleaning tool according to claim 2, wherein the handle is provided on the handle so as to be able to advance and retreat in the axial direction. 4. The handle portion is formed in a tubular shape, the lock member is fitted into the handle portion, and a piston portion that can move forward and backward along an axis of the handle portion, A lock action portion integrally formed at a tip of the piston portion and protruding from between the pair of wall portions and capable of engaging with at least one of the plurality of protrusions or recesses; The head part of the cleaning tool according to claim 3, further comprising: an operating portion penetrating the side wall of the cleaning tool and protruding to the outside.