JP4000249B2 - Floor cleaning machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor surface cleaning and cleaning machine that can clean and clean a floor surface with a cleaning brush, and more specifically, an upright floor surface cleaning device in which a tank of cleaning water is attached to an operation handle. It relates to a cleaning machine.
[0002]
[Prior art]
Regarding the upright type floor cleaning machine, as seen in JP-A-2001-95737, the floor surface is cleaned with a cleaning brush while spraying the cleaning water in the tank attached to the operation handle, and the sewage after cleaning is removed. There is a configuration in which the squeegee that has a suction action is sucked and collected in the tank, and the sewage is filtered and reused as cleaning water.
[0003]
[Problems to be solved by the invention]
However, the conventional upright floor cleaning machine is equipped with a tank that puts cleaning water into the operation handle. Therefore, when the handle is operated, the weight of the tank is directly applied to the operation handle. In particular, when the tank is fully filled with the washing water, it is difficult to support the operation handle, and there is a problem that hinders the cleaning of the floor surface.
[0004]
Therefore, the technical problem of the present invention is to take measures so that the weight of the tank attached to the operation handle is not directly applied to the operation handle and is not a burden on the operator. It is to provide a floor cleaning and cleaning machine that can reduce the burden on the operator reliably with a structure and is devised so that it can be handled very easily.
[0005]
[Means for Solving the Problems]
Means taken in the present invention to solve the above technical problems are as follows.
[0006]
(1) The floor cleaning and cleaning machine according to the first aspect rotates the cleaning brush provided in the brush case while running by pushing the operation handle, while cleaning water in the tank attached to the operation handle. A floor surface cleaning and cleaning machine configured to clean the floor surface by supplying water to the rotating cleaning brush side from the water supply nozzle, and to collect and collect the sewage generated by brushing with a squeegee that has a blower suction function. There,
The operation handle is attached to the brush case so as to be rotatable between a vertical direction standing on the floor surface and an inclined direction tilted to the floor surface . A wheel is attached, and an auxiliary plate with an auxiliary wheel attached to the bottom side is pivotably attached to the floor with respect to the axle on which these wheels are attached, and the operation handle and the auxiliary plate can be extended and retracted. One end of a telescopic damper having a compressive force is connected to a rotation fulcrum provided at a lower portion of the operation handle, and the other end is slidably fitted into a slide long hole provided in the auxiliary plate. It is characterized by being attached to and connected to a guide shaft .
[0007]
( 2 ) The floor cleaning and cleaning machine according to the second aspect of the present invention is rotated by being pushed by the auxiliary plate folded and rotated upward at one end portion of the connection support member, and the auxiliary plate is engaged with the folding rotation position. A lock member that can be stopped is attached, and a release piece that can unlock the auxiliary plate is projected from the lock member .
[0008]
( 3 ) In the floor cleaning machine according to the third aspect, when the operation handle stands upright at the lower end portion of the operation handle, it is engaged with a lock hole provided on the brush case side by the spring force of the spring. A lock pin that can support the operation handle in an upright state is attached, and the lock pin is pulled up against the spring force of the spring at the upper part of the operation handle to engage with the lock hole. It is characterized by providing a lock release lever that can be removed .
[0009]
According to the means according to claim 1 described in the above (1), the auxiliary plate and the operation handle are rotated by rotating the auxiliary plate to the floor surface side so that the weight of the tank on the operation handle at the time of cleaning and cleaning is rotated. The telescopic damper that is stretchable and compressive provided between and supports the tank, so that even if the operator operates the control handle while tilting it toward the floor, the weight of the tank on the control handle is reduced. Even if the tank is full, the washing and cleaning machine can be operated smoothly.
[0010]
Furthermore, according to the means according to claim 1 described in the above (1), by grounding the auxiliary wheel of the auxiliary plate on the floor, while following the movement of the brush case, the support of the operating handle by the telescopic damper It can be performed in a stable state. Further, between the auxiliary plate and the operating handle, the connecting using the above telescopic damper with a universal a and compressive forces stretching, a guide shaft attached to one end of the telescopic damper at one end an auxiliary plate slide slot of Since the operator can slide and rotate in the connection, the operator can operate safely with the tank weight reduced while maintaining the operation handle at an arbitrary inclination angle. Even when the handle is returned to the original position, the handle can be easily returned with a small force according to the slide of the guide shaft .
[0011]
According to the measures according to claim 2 as described above (2), when rotated folding auxiliary plate pivoted on the floor side upward, pushed by the locking member to the auxiliary plate is rotated auxiliary plate Can be locked in the folding position, so that the auxiliary plate can be folded and locked when storing or transporting the aircraft, so that it can be stored or transported in a narrow space, and the release piece can be operated during use. The lock can be easily removed and the auxiliary plate can be quickly turned to the floor.
[0012]
According to the measures according to claim 3 mentioned above (3), it is possible to support the vertical upright of the operating handle by the locking pin, I cooperation with a point that can be locked by folding the auxiliary plates, the body The whole can be stored and transported in a smaller space, and the lock can be unlocked by operating the lock release lever and the operation handle can be freely rotated during use. .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
The embodiment of the floor cleaning machine according to the present invention described above will be described below with reference to the drawings. FIG. 1 is an overall side view illustrating a storage state in which an operation handle is locked in an upright state, and FIG. FIG. 3 is an overall side view illustrating a state during driving operation in which the operation handle is tilted and the operation handle is tilted. FIG. 3 is an overall side view illustrating a state during driving operation in which the tilt of the operation handle is further deepened. FIG. 5 is a side view of the main part showing a state in which the auxiliary plate is folded, FIG. 6 is a side view of the main part explaining a state in which the lock of the auxiliary plate is unlocked, and FIG. It is a perspective view of the lock member to be used.
[0014]
In each figure mentioned above, the floor cleaning machine according to the present invention generally indicated by reference numeral 1 mainly includes a brush case 2, an operation handle 4 for operating the brush case 2, and a brush case 2. It is comprised by the auxiliary | assistant board 20 attached to the back part so that rotation up and down was possible.
[0015]
Inside the brush case 2 are a motor 11, a speed reducer 12, a brush cover 14K, a cleaning brush 14 that is decelerated and rotated by the motor 11 and the speed reducer 12 inside the brush cover 14K, and the cleaning brush 14 Squeegees 15 and 16 for sucking sewage provided at the front and rear are provided. In the figure, reference numeral 13 denotes a mounting board for the cleaning brush 14.
[0016]
The operation handle 4 is attached to the brush case 2 by attaching the two-legged support legs 4H connected to the lower end portion to the left and right sides of the rear frame 3 connected to the brush case 2 using the mounting shafts 7. Between the vertical direction (FIG. 1) standing on the floor surface F and the inclined direction (FIGS. 2 and 3) tilted to the floor surface F side, it is rotatably mounted and provided at the upper end. The operation box 5 is provided with a driving grip 5A, an operation lever 5B for performing ON / OFF of the motor 11 and other operations, a lock release lever 5C for a lock pin, which will be described later, and an operation handle 4 A tank 8 for storing cleaning water is attached to the front surface (traveling direction) of the intermediate portion.
[0017]
The cleaning water stored in the tank 8 is supplied to the portion of the cleaning brush 14 through the water supply pipe 8P from the water supply valve 8A on the lower side of the tank, and the floor F can be cleaned by the rotation of the cleaning brush 14. At the same time, the sewage generated after the cleaning is a suction passage 15R in which a suction blower (not shown) provided separately from the floor surface cleaning and cleaning machine 1 is branched into the front and rear of the suction hose 17 and the brush case 2. , 16R (see FIG. 1 and FIG. 5), it is applied to the front and rear squeegees 15 and 16 so as to be sucked from the floor F and collected in a tank (not shown) on the suction blower side.
[0018]
In the drawings, 17X and 17X denote attachments for attaching the suction hose 17 to the operation handle 4. In FIGS. 1 and 5, 17T is a lower end portion of the suction hose 17 inserted into the brush case 2. In FIG. 5, reference numeral 17H denotes a connection port of the suction hose 17 connected to the suction passages 15R and 16R. 4 to 6, reference numerals 15A and 16A denote squeegee blades attached to the squeegees 15 and 16, respectively.
[0019]
Next, 6 is a lock pin that is slidably fitted in the lower end 4E of the operation handle 4 so as to be always springed downward by a spring 6S, and 3R is a top guide side 3B provided on the rear frame 3 described above. When the operation handle 4 is rotated vertically as shown in FIGS. 1, 5, and 6 by the lock hole provided in the portion, the lock pin 6 is repelled by the spring 6S and engaged in the lock hole 3R. Thus, the operation handle 4 can be maintained in a vertical state. When the operation handle 4 is rotated, when the lock release lever 5C is pulled, the wire 5D shown in FIGS. The structure is such that the lock pin 6 is pulled out of the lock hole 3R against the elastic force to release the lock.
[0020]
Further, in the figure, reference numerals 10 and 10 denote a pair of left and right traveling wheels (see FIG. 4) rotatably attached to the rear end portion 3A of the rear frame 3 using an axle 9, and 20 denotes a brush case using the axle 9. 2 is an auxiliary plate attached to the rear side of the auxiliary plate 20 so as to be pivotable up and down, and 21 is an auxiliary wheel attached to the bottom surface of the front end side of the auxiliary plate 20, and the auxiliary plate 20 is lowered toward the floor F as shown in FIGS. When it rotates, the auxiliary wheel 21 is in contact with the floor F and is supported.
[0021]
Reference numeral 24 denotes an expansion / contraction damper as a connection support member having both upper and lower ends attached between the operation handle 4 and the auxiliary plate 20, and reference numeral 24K denotes a protective cover, which is expandable / contractible and has a compressive force. The tip of the collar 24X is rotatably attached to an attachment shaft 25 provided on a stay 27 welded to the back surface of the lower end portion 4E of the operation handle 4. Further, the root end portion of the telescopic damper 24 is slid and rotated with respect to the auxiliary plate 20 by fitting the guide shaft 24Z into a slide long hole 22R provided in the guide plate 22 attached to the auxiliary plate 20. It is mounted movably.
[0022]
The slide long hole 22R is formed into an elongated groove shape having a bent portion formed in a substantially square shape at one end as shown in FIG. 2 or FIG. 6 is maintained in a stable state while the auxiliary plate 20 is rotated toward the floor surface F as shown in FIGS. 2 and 3, the mounting shaft 24Z is slid swiftly. Thus, the auxiliary plate 20 is devised so that the rotation can be smoothly performed.
[0023]
Next, a lock member 26 is rotatably attached to an attachment shaft 25 for attaching the upper end portion of the telescopic damper 24 to the operation handle 4 side. As shown in FIG. 1 and 5, when the entire auxiliary plate 20 is folded upward with the axle 9 as a fulcrum and rotated, the auxiliary plate 20 is pushed by the locking plate 20T protruding from the top surface of the auxiliary plate 20 and locked. The whole member 26 is rotated in the clockwise direction in FIGS. 1, 5, and 7 about the mounting shaft 25, and then locked to the locking plate 20T as shown in FIGS. The latching claw 26A can hold the auxiliary plate 20 in a folded state, and the pressing arm 26C can push back the auxiliary plate 20 when the folded auxiliary plate 20 is unlocked. Yes.
[0024]
Further, the lock member 26 is stretched between the projecting piece 27A of the stay 27 and a notch groove 26D provided in the pressing arm 26C, so that the entire lock member 26 is always in the clockwise direction, that is, the above-described locking state. The pulling spring 28 that rotates in a direction that maintains the state where the claw 26A is locked to the locking plate 20T, the bracket 26C ′ that supports the mounting shaft 25, and the lock member 26 are rotated. A release piece 26B capable of releasing the locking claw 26A and shaft holes 26X and 26X through which the mounting shaft 25 is inserted are provided.
[0025]
When the locking claw 26A is unlocked using the release piece 26B, the release piece 26B is pushed upward as shown in FIG. 6 so that the entire lock member 26 resists the traction force of the traction spring 28. If it rotates counterclockwise around the mounting shaft 25, the locking claw 26A is unlocked from the locking plate 20T, and the pressing arm 26C pushes back the auxiliary plate 20, so that the auxiliary plate 20 is moved to the floor surface. It is possible to freely descend and rotate toward F.
[0026]
Since the floor cleaning machine according to the present invention is configured as described above, when not in use such as storage or transportation, the auxiliary plate 20 is folded upward as shown in FIGS. If the operation handle 4 is locked in the vertical state shown in the figure, it can be stored and transported in a small space. Further, when cleaning and cleaning the floor surface F, as shown in FIGS. 2 and 3, the auxiliary claw 20A is released and rotated toward the floor surface F by releasing the locking by the locking claw 26A, and the operation handle 4 is locked. The floor surface F can be smoothly washed with the washing brush 14 and the weight of the tank 8 in which the washing water is accommodated is passed through the telescopic damper 24. Since the auxiliary plate 20 and the auxiliary wheel 21 support the weight, the weight on the operation handle 4 can be reduced.
[0027]
【The invention's effect】
Depending described above, according to the floor cleaning cleaner according to the present invention, the weight of the tank was a disadvantage of an upright floor cleaning cleaner problem exerted on the operating handle and retractable auxiliary plate Solved by providing an expansion / contraction damper with compressive force, it can demonstrate the advantage that it can be washed reliably to every corner of the floor while operating the operation handle lightly, and the auxiliary plate can be locked in the folded state, Combined with the point that the lock can be easily released and the operation handle can be locked in the vertical state, it is possible to provide a floor cleaning machine with excellent functionality.
[Brief description of the drawings]
FIG. 1 is an overall side view of the present invention illustrating a state during storage in which an operation handle is locked in a vertical state and an auxiliary plate is folded.
FIG. 2 is an overall side view illustrating a state in use of the present invention.
FIG. 3 is a side view of the whole, similarly explaining the state of use of the present invention.
FIG. 4 is a rear view illustrating a configuration of a main part of the present invention.
FIG. 5 is a side view illustrating a configuration of a main part of the present invention at the time of locking.
FIG. 6 is a side view illustrating the configuration of the main part of the present invention when the lock is released.
FIG. 7 is a perspective view illustrating a configuration of a lock member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Floor cleaning machine 2 Brush case 3 Rear frame 3R Lock hole 4 Operation handle 5C Lock release lever 6 Lock pin 6S Spring 8 Tank 9 Axle 10 Driving wheel 11 Motor 14 Cleaning brush 15, 16 Squeegee 17 Suction hose 20 Auxiliary plate 20T Locking piece 21 Auxiliary wheel 22 Guide plate 22R Slide long hole 24 Telescopic damper 26 Lock member 26A Lock claw 26B Release piece F Floor

Claims (3)

While rotating the operation handle while pushing the operation handle, the cleaning brush provided in the brush case is rotated, while the cleaning water in the tank attached to the operation handle is supplied to the rotating cleaning brush side from the water supply nozzle. A floor surface cleaning and cleaning machine configured to suck and collect sewage generated by brushing with a squeegee to which a suction action of a blower extends,
The operation handle is attached to the brush case so as to be rotatable between a vertical direction standing on the floor surface and an inclined direction tilted to the floor surface . A wheel is attached, and an auxiliary plate with an auxiliary wheel attached to the bottom side is pivotably attached to the floor with respect to the axle on which these wheels are attached, and the operation handle and the auxiliary plate can be extended and retracted. One end of a telescopic damper having a compressive force is connected to a rotation fulcrum provided at a lower portion of the operation handle, and the other end is slidably fitted into a slide long hole provided in the auxiliary plate. A floor cleaning machine that is attached to and connected to a guide shaft .   At one end portion of the connection support member, a lock member that is pushed and rotated by the auxiliary plate that is folded and rotated upward and can be locked at the folding and rotating position is attached to the lock member. The floor surface cleaning and cleaning machine according to claim 1, wherein a release piece that can unlock the auxiliary plate is provided. When the operating handle stands upright at the lower end of the operating handle, a lock pin that engages with a lock hole provided on the brush case side by the spring force of the spring to support the operating handle in the upright state. A lock release lever is provided on the upper portion of the operation handle, the lock release lever capable of releasing the engagement with the lock hole by pulling up the lock pin against a spring force of a spring. Item 3. A floor cleaning machine according to item 1 or 2.

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