JPH10314094A - Joint mechanism of cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a joint mechanism of a cleaner and make it possible to facilitate the easy fastening. SOLUTION: It relates to a cleaner in which a handle 5 is combined free to pivot to a holder 1 holding a mop and the like. On the back face of the holder 1, a support arm 9 in an L-letter shape or in a curved form is installed upright and a circle 15 is formed at the leading end of the support arm 9. In the handle, a joint 11 having an engaging dent 16 to be engaged with the circle 15 is formed. In the joint 11 a dividing groove 22 which has a gap sufficient for the support arm 9 to pass and which penetrates the engagement dent 16, is formed. The circle 15 is engaged with the engagement dent 16 free to pivot with a constant pressure being pressed from the dividing groove 22 in opposition to the elasticity of the joint 11. Thereby, the handle 5 can be supported free to pivot front and back, left and right without an intermediate member to pivot being arranged between the holder 1 and the handle 5, and a fastening procedure can be also simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle for holding piled or sheet-shaped mops, in which a handle having a handle is rotatably connected so that the angle of the handle can be adjusted. The present invention relates to a joint mechanism for a cleaning tool.

[0002]

2. Description of the Related Art Japanese Unexamined Utility Model Publication No. 6-21421 discloses an example of a joint mechanism capable of adjusting the angle.
As shown in the figure, two rotating support shafts 31 and 32 orthogonal to each other are provided.
It has. That is, a pair of brackets 33 are erected on the back surface of the holder 30, the first turning support shaft 31 is provided on the bracket 33, and the spherical joint 34 is turned on the first turning support shaft 31. The joint 34 is provided with a second rotation support shaft 32 orthogonal to the first rotation support shaft 31, and the fork portion 37 of the handle 36 is turned around the second rotation support shaft 32. It is movably connected. As a result, the handle 36 is rotatable forward, backward, left and right.

[0003]

In the joint mechanism shown in FIG. 13, in order to be rotatable in two directions, first and second rotation support shafts 31 and 32 and a first rotation support shaft are used. Bracket 33
In addition, a spherical joint 34 rotatably supported by the first rotation support shaft 31 and a fork 37 supported by the second rotation support shaft 32 are required. That is, a joint 34 separate from the holder 30 and the handle 36 must be rotatably interposed between the first rotating shaft 31 on the holder side and the fork portion 36 on the handle 36 side. In addition, the structure becomes complicated and the number of parts increases, and in the assembling work, the work of assembling the joint 34 and the work of assembling the handle 36 are performed.
One process is required.

[0004] Further, since a joint 34 separate from the holder 30 and the handle 36 is rotatably interposed, wear portions are provided at the first and second rotation support shafts 31 and 32. So
It becomes easy to rattle.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a joint mechanism which is simple in assembling work and structure, can rotate back and forth and right and left, and can reduce rattling.

[0006]

According to a first aspect of the present invention, there is provided a cleaning tool coupling mechanism for rotatably connecting a handle to a holder for holding a mop. An L-shaped or curved support arm is erected on the back of the tool, a spherical portion is formed at the tip of the support arm, and a handle is formed with a joint portion having a fitting recess for fitting into the spherical portion. The joint portion has a split structure with a split groove having a width through which the support arm can pass, and the spherical portion is fitted into the fitting recess with a constant pressure through the split groove of the joint portion. It is a joint mechanism of a cleaning tool characterized by the above-mentioned.

According to a second aspect of the present invention, in the coupling mechanism for a cleaning tool according to the first aspect, a pair of support arms are arranged in a gate shape or an arch shape, and both support arms hold the spherical portion. It is a joint mechanism of a cleaning tool characterized by being supported.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view of a cleaning tool to which the present invention is applied. 2, a handle 5 rotatably connected via a joint mechanism 10 to the back surface of the holder 1, and a pipe-shaped handle 6 fitted and connected to the tip of the handle 5. A mop 3 with a pile is arranged on the lower surface of the holding plate 2, and its front and rear ends are folded back inside the holding plate 2, and the holder 1 is pressed from above to the holding plate 2.
The mop 3 is held by being fitted inside. The holder 1, the holding plate 2 and the handle 5 are made of hard resin.

In FIG. 4, a joint mechanism 10 includes a pair of left and right L-shaped support arms 9, a spherical portion 15, and a spherical portion 1.
5 includes a spherical joint portion 11 having a fitting concave portion 16 fitted therein. The joint portion 11 is formed of a hard resin integrally with the handle 5.

The pair of support arms 9 and the spherical portion 15 are formed of a hard resin integrally with the mounting plate 8.
It is fixed to the back surface of the holder 1 by 0 or the like. The two support arms 9 are formed at intervals on the left and right so as to rise vertically from the mounting plate 8, and are arranged in a gate shape so that the upper horizontal portions abut against each other from the left and right. We support both sides. A space securing hole 13 is formed in an intermediate portion of the mounting plate 8 to secure a rotating space for the joint portion 11. Holder 1
The height H from the rear surface of the spherical portion 15 to the lower end of the spherical portion 15, when the handle 5 rotates forward or backward, as shown in FIG.
5, the joint portion 11 can wrap around, and
The peripheral surface of the handle 5 is set to be brought into contact with the mounting plate 8 and locked in a state where the handle 5 is tilted by about 90 ° from the vertical state.

In FIG. 3, the fitting recess 16 is
5 is formed in a spherical shape or a tapered shape along the outer peripheral surface. A split groove 22 having a width W slightly larger than the diameter of the support arm 9 and allowing the support arm 9 to pass through is formed in the joint portion 11. It has a split structure. The split groove 22 is open at the lower end, divides the fitting concave portion 16 back and forth, and the upper end extends a certain distance further upward from the fitting concave portion 16.

Further, the joint portion 11 has a through hole 2 penetrating the joint portion 11 back and forth so as to be orthogonal to the split groove 22.
1 is formed, and the fitting recess 16 as described above is formed by chamfering the end of the through hole 21 on the joint portion central portion side into a dish shape. The size of the concave portion 16 is set so that the concave portion 16 is tightly fitted to the spherical portion 15 at a constant pressure.

A guide notch 26 is formed at a lower end portion of the inner peripheral surface of the split groove 22 so as to expand in a tapered shape from a lower end of the fitting concave portion 16 so that the spherical portion 15 can be easily fitted.

In FIG. 7, the left-right distance D1 between the two support arms 9 is a width capable of accommodating the maximum left-right width portion of the joint portion 11, but the vertical portion of the support arm 9 limits the amount of left-right rotation of the handle 5. It also has a role as a stopper to perform.
That is, when the handle 5 is tilted forward or backward, in particular, when the handle 5 is turned to the left or right in a state where the handle 5 is tilted forward or backward, the split groove edge 2 is fixed at a constant angle θ.
2a comes into contact with the upright portion of the support arm 9,
The amount of rotation is regulated.

In FIG. 6, the hole 1 for securing the space is shown.
The shape of 3 is a rectangular shape that is long in the left-right direction, but the center part of the left-right width is extended in an arc shape forward and backward.

When assembling the joint mechanism 10, FIG.
As described above, the split groove 22 of the joint portion 11 is set in a posture along the left and right, and fitted into the spherical portion 15 from above. Initially, the spherical portion 15 is fitted along the guide notch 26, but the spherical portion 15 enters into the depth of the split groove 22 while pressing and expanding the joint portion 11 back and forth, and finally enters the fitting concave portion 16. Fit in,
Stop at a fixed pressure. The magnitude of the constant pressure is set to such an extent that the handle 5 can be sufficiently rotated by hand, and that when the handle 6 is stopped in an oblique posture, the stop posture can be maintained for the time being. I have.

Since the joint mechanism 10 basically employs a ball support structure, it can be rotated not only forward and backward and left and right with respect to the holder 1, but also at the right front, right rear, left front and It is also possible to rotate obliquely directly to the left rear.

When the handle 5 is not tilted back and forth as shown in FIG. 3 and is rotated left and right from an upright posture as shown in FIG. Until the handle 5 comes into contact with the handle 8, it is possible to rotate by approximately 90 ° from the upright posture.

When the handle 5 is pivoted back and forth from the left and right posture, even if the handle 5 is inclined left and right by an angle θ as shown in FIG. It is possible to rotate approximately 90 ° until the handle 5 comes into contact.

When the cleaning tool is stored after cleaning, the handle 5 is folded forward or rearward, leftward or rightward, as shown in FIG. 8 or 9, in a posture substantially parallel to the holder 1. In this case, the folded state can be maintained by the peripheral surface of the handle 5 being in contact with the mounting plate 8.

[0021]

[Other embodiments]

(1) FIG. 10 shows an example in which one L-shaped support arm 9 is provided and the spherical portion 15 is cantilevered. Further, the support arm 9 is formed integrally with the holder 1, and a hole 13 for securing a joint rotating space is formed on the back surface of the holder 1.

(2) FIG. 11 shows a pair of L-shaped arms 9
Is formed integrally with the back surface of the holder 1, and the spherical portion 15
A hole 13 is formed in the rear part of the holder below the
There is an example in which a part of the device 1 can be stored. In this structure, of course, the joint part 11 is moved from the upright posture back and forth or left and right.
Can be folded at 0 °, and when folded, handle 5
By contacting the back surface of the holder 1, the folded state can be maintained. That is, the back surface of the holder 1 serves as a locking portion. Also, left and right L-shaped arms 9
7, the handle 5 can be tilted left and right by an angle θ from the posture in which the handle 5 has fallen back and forth, as in the case of FIG.

(3) FIG. 12 shows that the generally J-shaped arm 9 is
This is an example of use. Basically, it has the same structure as FIG.

(4) The present invention can be applied to a cleaning tool having a holder for attaching a cleaning sheet as a mop, or a portable cleaning tool having a short handle for supporting one hand as a handle.

[0025]

As described above, according to the present invention, (1) an L-shaped or curved support arm 9 having an integral spherical portion 15 is erected on the back surface of the holder 1 and Forms a joint portion 11 having a fitting concave portion 16 that is rotatably fitted to the spherical portion 15 at a constant pressure. The joint portion 11 is divided into two by a split groove 22, and the spherical portion 15 is
Since the fitting recess 16 is fitted through the split groove 22, there is no need to dispose a separate joint between the holding tool and the handle so as to be freely rotatable as in the prior art, The assembly can be performed by only one process of pushing the spherical portion into the joint portion, and the assembly operation is facilitated.

(2) It is not necessary to provide an intermediate rotating member such as a joint between the holder and the handle as in the prior art, and the number of parts is reduced. Because of the spherical portion 15, the split groove 22, and the concave portion 16, the structure of the joint mechanism is simplified.

(3) While maintaining the function of pivoting back and forth and left and right by the ball support structure, the rattling of the joint mechanism can be reduced by omitting the intermediate joint as described above.

(4) As in the second aspect of the present invention, the spherical portion 1 is formed in a gate shape or an arch shape by a pair of support arms 9.
When both ends are supported, strength is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cleaning tool to which the present invention is applied.

FIG. 2 is an exploded front view showing a joint mechanism.

FIG. 3 is a vertical sectional side view (a sectional view taken along line III-III of FIG. 4) of the joint mechanism.

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is a bottom view of the joint.

6 is a sectional view taken along line VI-VI of FIG.

7 is a horizontal cross-sectional view (a cross-sectional view taken along the line VII-VII in FIG. 9) in a state in which the handle is turned down rearward and turned to the left.

FIG. 8 is a front view showing a state where the handle is tilted to the left to the maximum.

FIG. 9 is a side view showing a state in which the handle is tilted backward.

FIG. 10 is a vertical sectional front view showing a modification of the arm.

FIG. 11 is a longitudinal sectional front view showing a modification of the arm.

FIG. 12 is a vertical sectional front view showing a modification of the arm.

FIG. 13 is a perspective view of a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Holder 3 Mop 5 Handle 6 Handle 9 Support arm 11 Joint part 15 Spherical part 16 Fitting concave part 22 Split groove

Claims (2)

[Claims] In a joint mechanism of a cleaning tool for rotatably connecting a handle to a holder for holding a mop, an L-shaped or curved support arm is provided upright on the back of the holder. A spherical part is formed at the tip of the support arm, and the handle has
Forming a joint having a fitting concave portion to be fitted to the spherical portion, the joint having a split structure with a split groove having a width through which the support arm can pass; And a fitting mechanism for the cleaning tool, wherein the fitting mechanism is fitted into the fitting recess at a constant pressure through a split groove of the part. 2. The joint mechanism for a cleaning tool according to claim 1, wherein a pair of support arms are arranged in a gate shape or an arch shape, and the spherical portions are supported by both support arms. Cleaning tool joint mechanism.