JPH11309104A - Lidded dustpan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lidded dustpan simplified in structure, and easy to hold during operations and hanging, causing no wrist fatigue, etc. SOLUTION: An arm part 8 freely rotationally coupled to the side plate 3 of a dustpan main body 1 is formed integrally with a lid 7, and a handle 12 is secured to the lid 7 so that the handle 12, the lid 7, and the arm part 8 rotate integrally relative to the main body 1. The rigidity of the lid 7 is enhanced and the lower edge 7a of the lid 7 is directly engaged with the main body 1 to hold the handle 12 tilted backward under working conditions. When the downward tilt angle θ2 of the handle is 80 deg. to 88 deg., sweeping work becomes ergonomically easy. When the handle 12 is locked in the backwardly tilted position by the main body 1, the upper surface 13a of a grip takes a horizontal position or a slightly backwardly and upwardly tilted position. The root part of the lower surface 13b of the grip 13 is formed at almost right angles to the axis of the handle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a state in which a handle is hung so that a main body is in a hanging posture when carrying or clearing, while a main body is turned to a lying posture in a sweeping operation. The present invention also relates to a dustpan with a lid, in which a bottom plate is installed on a floor surface, a sweep opening is opened, and a sweeping operation can be performed while an operator is standing.

[0002]

2. Description of the Related Art FIG. 7 shows a conventional example of this kind of dusting.
U-shaped turning bracket 43 rotatably connected via a ０0 ’
A handle 44 fixed to the rotating fitting 43 and extending upward and having an L-shaped grip 48 at an upper end;
A lid 46 is rotatably supported via a pin 51 in the middle of the rotating bracket 43. The grip 48 is bent rearward at a right angle to the axis of the handle 44.

FIG. 6 shows a state in which a handle 44 is suspended, and the main body 42 is in a hanging posture with the sweeping port 45 facing upward, and the sweeping port 45 is covered by a lid 46.

FIG. 7 shows a state at the time of work, and the main body 4 is shown.
2 is in a lying posture in which the bottom plate is set on the floor surface, the lid 46 is detached from the sweeping port 45 to the rear upper side, and is locked by a stopper projection 49 formed on the top plate of the main body 42, The handle 44 is held in a rearwardly inclined posture. The inclination angle θ1 of the handle 44 with respect to the horizontal plane is set to about 75 °.

[0005]

In the conventional dustpan with lid shown in FIGS. 6 and 7, the grip 48 is bent rearward at a right angle to the axis of the handle 44, and as shown in FIG. When the user holds the grip 44 and carries it in a suspended state, the grip 48 is in a horizontal posture, is easy to hang with fingers, and does not cause much fatigue of the wrist or the like. However, when working as shown in FIG.
The grip 48 is in a rearwardly-downward tilted attitude by the attitude of the grip 4 being inclined backward by about θ1 = 75 ° with respect to the horizontal plane. When the grip 48 is in the rearwardly lowered posture as described above, when the operation of holding the grip 48 with one hand and sweeping the dust in front with the broom with the other hand is repeated, the hand holding the grip 48 is used. It has been ergonomically found that the wrist is prone to fatigue.

A U-shaped rotating bracket 43 is attached to the main body 42.
And the lid 46 is further rotatably attached to the rotating bracket 43.
6. When closing the body 6, an unpleasant collision sound between parts is generated, and when the body is suspended and carried,
When the lid or the lid 46 swings individually, an unpleasant sound is generated.

[0007]

According to a first aspect of the present invention, there is provided a dustpan with a lid, wherein a bottom plate, left and right side plates, a top plate, and a back plate are integrally formed. A main body having an open mouth, a gate-shaped lid covering the sweeping opening and having arm portions on both right and left sides, the arm portion being rotatably connected to the main body side plate, fixed to the lid and fixed A handle extending upward in length and having a grip that bends in an L-shape at the upper end portion, and when the handle is suspended,
The main unit is in a drooping position with the sweep port facing upwards, the sweep port is covered by the lid, and when the main unit is placed on the floor, etc., the main unit is in a lying position with the bottom plate along the floor, etc. When the main body is in the lying posture, the edge of the lid comes into contact with the main body so that the handle is locked in a rearward posture by a predetermined angle.

According to a second aspect of the present invention, in the dustpan with the lid according to the first aspect, the rearward inclination angle of the handle when the lid is locked by the body in the lying down position is from 80 ° to the horizontal plane. The edge of the lid is formed to be at an angle of 88 °.

According to a third aspect of the present invention, in the dustpan with the lid according to the first aspect, the upper side surface of the grip is in a horizontal posture or slightly when the handle is locked in a rearwardly inclined posture by the body in the lying posture. The bending angle of the grip with respect to the axis of the handle shaft is set so as to provide a rearwardly inclined posture.

According to a fourth aspect of the present invention, in the dustpan with the lid according to the third aspect, the root side portion of the lower surface of the grip is formed substantially at right angles to the axis of the handle, and when the handle is suspended. It is characterized in that the bottom side of the lower surface is substantially horizontal.

According to a fifth aspect of the present invention, in the dustpan with the lid according to the first aspect, a flexible cushioning member is fixed to an inner surface of the arm portion of the lid, and the body is attached to the cushioning member when the main body is in the hanging posture. Is characterized in that the side plates contact each other to stop the main body.

[0012]

FIG. 1 is a perspective view showing a state of a dusting operation with a lid to which the present invention is applied. The dusting main body 1 includes a bottom plate 2, left and right side plates 3, and a top plate. 4 and the back plate 5 are integrally formed by resin molding, and the front end is opened as a sweep port 6. The lid 7 is integrally formed with the left and right arm portions 8 in a gate shape by a resin, and the lower ends of the left and right arm portions 8 are rotatably connected to the left and right side plates 3 of the main body 1 via support pins 10. The handle 12 is made of an aluminum pipe having an elliptical cross section whose front-rear direction width is a short diameter. The handle 12 is fixed to a half-cylindrical mounting boss 15 formed at the upper end of the lid 7 with a bolt or the like, and moves upward. Extending. A grip 13 that is bent rearward in an L-shape is fixed (fitted) to the upper end of the handle 12. A fork-shaped broom mounting claw 25 is integrally formed at the lower end of the vertical portion of the grip 13, and a ring-shaped string 26 is fixed to the bent portion. A rubber tongue blade 16 is attached to the edge of the bottom plate 2 on the side of the sweep opening.

FIG. 4 is a front view in a working state. The lower edge 7a of the lid 7 has a shape in which large R portions are formed at both left and right ends. Left and right end positions P of the lower edge 7a are in contact with and locked to the left and right ends of the main body top plate 4, in other words, the upper ends of the both side plates 3. A plurality of ribs 17 are formed on the back surface of the lid 7 at intervals in the left-right direction, and an elastic buffer member, for example, a sponge 21 is adhered to the inner surfaces of the left and right arm portions 8.

FIG. 2 shows a longitudinal sectional view of the working state.
The main body 1 is in a lying posture in which the bottom plate 2 is placed on the floor surface F, the handle 12 is inclined rearward, and the left and right end positions P of the lower end edge 7a of the lid are the left and right end portions of the main body top plate 4 as described above. , The rearward inclination angle θ2 = 80 ° to 88 °
The handle 12 is held in the range of. In this embodiment, the angle is maintained at the most ergonomically preferable angle of 85 °.

The grip 13 is formed such that the upper surface 13a is substantially linear when viewed from the side.
b is formed so as to form a mountain shape gently expanding downward as viewed from the side.

The angle θ3 of the grip upper side surface 13a with respect to the axis O1 of the handle 12 is larger than 90 °, and when the handle 12 is locked in the backward inclined position as shown in FIG. It is set to take a slightly upward posture. For example, when the grip upper side surface 13a is to be horizontal in the working state, θ2 + θ3 = 180 ° in correspondence with θ2 being set in the range of 80 ° to 88 ° as described above. Is set in the range of θ3 = 100 ° to 92 °.

When the grip upper side surface 13a is set to the rear up posture in the working state, the handle inclination angle θ2 is set in the range of 80 ° to 88 ° as described above. Therefore, θ3 is set to be at least larger than 92 ° so that 180 ° <(θ2 + θ3). The angle of inclination of the grip upper side surface 13a with respect to the horizontal plane is suitably up to about 8 °, in this case,
0 ° <(θ2 + θ3) ≦ 180 ° + 8 °,
θ3 is set. Incidentally, in this embodiment, θ2 =
Since 85 ° and θ3 = 100 ° are set, the upper surface 13a of the grip in the working state is 5 ° with respect to the horizontal plane.
It is inclined upward at an angle.

On the other hand, the angle θ4 of the root side portion of the lower grip surface 13b with respect to the handle axis O1 is set to be a right angle. Further, the inner peripheral surface of the bent portion of the grip 13 is a concave portion 22 to which an index finger can be hooked.

The operation will be briefly summarized. Figure 3 after cleaning
When the handle 12 is pulled up as in the above, the operator does not usually hold the grip 13 but usually lifts it by placing one hand on the lower surface 13b of the grip 13. Specifically, the operator puts the index finger on the lower surface 13b. Raised against the root side. At this time, if the root side portion of the grip lower side surface 13b is in a horizontal position, the suspended state of the entire dustpan is stable, so that it is easy to carry and does not slip down.

In the suspended state as shown in FIG. 3, the main body 1 in the hanging posture is elastically stopped by the sponge 21 of the arm portion 8, so that the main body 1 does not swing while carrying. There is no rattling noise.

When the sweeping operation is performed with the main body 1 in the lying posture as shown in FIG. 2, the grip 13 is often moved on the floor surface F. At this time, in this embodiment, the handle 12 is The grip is inclined rearward at an angle of 85 ° with respect to the horizontal plane, and the grip upper side surface 13a is inclined upward and rearward at an angle of 5 ° with respect to the horizontal plane. At the time of the sweeping operation, the worker takes a slightly forward bent posture, holds the grip 13 with one hand and holds the broom with the other hand, but the grip 13 is slightly inclined upward and the handle 12 is at about 85 °. If you lean backwards, your wrists are less tiring.

In the working state as shown in FIG.
Is locked by the left and right ends of the main body top plate 4, in other words, by the upper end of the side plate 3. The inclination angle does not change due to the deflection.

[0023]

[Other Embodiments] (1) In order to lock the handlebar 12 in the rearwardly inclined posture, the left and right ends of the lid lower edge 7a are locked by the left and right ends of the main body top plate 4 in FIG. However, it may be configured such that the entire left and right widths of the lower end edge 7a of the lid abut on the top plate 4.

(2) As the material of the cushioning member 21, a material having various elastic properties such as a soft rubber, a soft resin, a thick cloth or a piece of a carpet planted with pile yarn can be used.

[0025]

As described above, according to the first aspect of the present invention, (1) the arm portion 8 rotatably connected to the main body side plate 3 is formed integrally with the lid 7 and The handle 12 is fixed to the main body 1 so that the handle 12, the lid 7, and the arm portion 8 are integrally rotated with respect to the main body 1. Is directly engaged with the main body 1 so that the handle 12 is held in the rearwardly inclined posture in the working state, so that the rearwardly inclined posture can be firmly held at a predetermined angle, and Also, the number of parts can be reduced as compared with the conventional example of FIG. In other words, a single rotating metal fitting and a stopper projection as in the conventional example of FIG. 6 are not required, and the number of the rotating connecting mechanism is reduced by one.

(2) As described in the second aspect, if the steering wheel rearward inclination angle θ2 in the working state is 80 ° to 88 °, the sweeping operation is more ergonomic than the conventional 75 ° rearward inclination. It has been found that it is easy to remove and hard to get tired.

(3) As in the third aspect of the present invention, when the handle 12 is locked in the rearwardly inclined position by the body 1 in the downwardly inclined position, the upper side surface 13a of the grip 13 is in the horizontal position or slightly rearward. When the bending angle of the grip 13 with respect to the handle axis O1 is set so as to be inclined, the wrist is less likely to be tired as compared with the structure in which the grip is lowered backward as in the conventional example of FIG.

(4) As in the fourth aspect of the present invention, the base portion of the lower surface 13b of the grip 13 is
When the handle is suspended, the root side portion of the lower side surface 13b is made substantially horizontal when the handle is suspended, so that the advantage in the operation as described in (3) above is secured. However, when suspended and carried, it is hard to slip off and easy to carry.

(5) Since the lid 7, the handle 12, and the arm 8 are integrally rotated, rattling during carrying can be reduced. As in the invention described in 5, the flexible cushioning member 21 is fixed to the inner surface of the arm portion 8 of the lid 7,
When the main body side plate 3 is in contact with the buffer member 21 when the main body 1 is in a hanging posture, and the main body 1 is stopped, rattling and noise during carrying can be further reduced, and the lid 7 is lifted after cleaning. When closing the, there is no collision sound between unpleasant parts such as "bang".

[Brief description of the drawings]

FIG. 1 is a perspective view showing a working state of dusting with a lid to which the present invention is applied.

FIG. 2 is a vertical sectional side view of a dusting operation with a cover in FIG. 1 in a working state;

FIG. 3 is a longitudinal side view of a hanging state of the dustpan with lid of FIG. 1;

FIG. 4 is a partial sectional view taken along the line IV-IV of FIG. 2;

FIG. 5 is an enlarged partial view taken in the direction of the arrow V in FIG. 3;

FIG. 6 is a side view of a conventional dustpan suspended state.

FIG. 7 is a side view of the same dusting work state as FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Bottom plate 3 Side plate 4 Top plate 5 Back plate 7 Lid 7a Lower edge 8 Arm part 12 Handle 13 Grip 13a Upper surface 13b Lower surface 21 Sponge (buffer member)

Claims (5)

[Claims] 1. A body having a bottom plate, left and right side plates, a top plate, and a back plate integrally, and having a sweeping opening, an arm covering the sweeping opening, and having arm portions on both left and right sides. A gate-shaped lid whose part is rotatably connected to the main body side plate, and a handle fixed to the lid, extending upward a predetermined length, and having a grip bent at the upper end in an L-shape. When suspended, the main body is in a drooping position with the sweeping port facing upwards and the sweeping port is covered by the lid, and when the main body is placed on the floor, etc., the main body is in a lying position with the bottom plate along the floor, etc. That the handle is locked in a rearwardly inclined position at a predetermined angle by the edge of the lid abutting on the main unit when the main unit is in the lying down position. Dustpan with lid. 2. The dustpan with a lid according to claim 1, wherein the rearward inclination angle of the handle when the lid is locked by the body in the lying posture is 80 ° to 88 ° with respect to a horizontal plane. Dustpan with lid, characterized by being. 3. The dustpan with a lid according to claim 1, wherein the upper side surface of the grip is in a horizontal posture or a slightly upwardly inclined position when the handle is locked in a rearwardly inclined position by a body in a lying down position. As described above, the bent angle of the grip with respect to the axis of the handle is set, and the dust with cover is characterized. 4. The dustpan with a lid according to claim 3, wherein a root side portion of a lower surface of the grip is formed substantially at right angles to an axis of the handle, and a root side portion of the lower surface when the handle is suspended. Dust with lid, characterized in that it is approximately horizontal. 5. The dustpan with a lid according to claim 1, wherein a flexible cushioning member is fixed to the inner surface of the arm portion of the lid, and the side plate of the main body contacts the cushioning member when the main body is in the hanging posture. Dustpan with lid, characterized in that the main body is stationary.