JPH0515908Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a vacuum cleaner for cleaning stairs.

(Prior Art) Conventionally, when cleaning stairs, the treads were usually cleaned with a vacuum cleaner, and the risers were cleaned by tilting and gripping the vacuum cleaner.

(Problem to be solved by the invention) When cleaning stairs with a conventional vacuum cleaner, the tread plate must be cleaned by holding the fairly heavy vacuum cleaner in an inclined position, which makes cleaning work difficult. This required a great deal of effort and time, and there was also a risk of workers falling down the stairs.

The present invention was proposed in view of the problems of the prior art, and its purpose is to provide a stair cleaner that can clean both the treads and risers of stairs with a single cleaner. At the point.

(Means for Solving the Problems) In order to achieve the above object, the stair cleaner according to the present invention has a motor support frame disposed at the end of a horizontal cylindrical casing containing a built-in motor of the cleaner. In a support frame for seating a stair tread, which is made up of a base plate having a seating piece on the lower surface thereof and a pair of inverted V-shaped side frames erected from the same base plate on the left and right outer sides, respectively, the tips of the side frames are The cover is rotatably supported, a handle is mounted on the cover so that it can be raised and lowered, a wheel for rolling on the floor is mounted, and a cleaning member is mounted on the drive shaft of the motor.

(Function) Since the stair cleaner according to the present invention is configured as described above, when cleaning the treads of the stairs, the handle is gripped and the cylindrical casing on which the handle is movably mounted is moved. The cleaning member mounted on the drive shaft of a motor that is held vertically and built into the casing collides with the treadboard, and the motor is driven to clean the treadboard via the cleaning member. be.

Next, when cleaning the risers of the stairs, hold the handle and tilt the cylindrical casing to remove the pair of inverted V-shaped side frames pivotally supported on both left and right outer sides of the motor support frame of the casing. By pivoting downward and seating the seating piece provided on the lower surface of the board at the lower end of the side frame on the stair tread, the casing is mounted on the drive shaft of the motor built in the casing. The riser is cleaned by pressing the cleaning member against the riser of the stairs and driving and rotating the cleaning member.

At this time, the casing rotates about the pivot portion relative to the V-shaped side frame in response to the slope of the riser, thereby cleaning risers having various slopes.

(Example) The present invention will be described below with reference to the illustrated embodiments.

1 is a horizontal cylindrical casing of the motor a, and a cleaning member 3 composed of a brush or the like is mounted on a drive shaft 2 of the motor a.

Reference numeral 4 denotes a support frame for seating stair treads, in which left and right inverted V-shaped side frames 7 erected from a base plate 6 having a seating piece 5 on the lower surface are attached to the ends of the horizontal cylindrical casing 1. The motor support frame b is rotatably supported via a pivot shaft 8 protruding from both sides of the motor support frame b.

The motor a, the horizontal cylindrical casing 1 of the motor, and the motor support frame b constitute the cleaner body.

In the figure, reference numeral 9 denotes a handle, which is mounted on the casing 1 so as to be able to rise and fall freely, and is fixed to the motor support frame b at a predetermined angle. Since this mechanism is a known mechanism, its explanation will be omitted. Additionally, reference numeral 10 in the figure represents wheels mounted on the support frame b so as to roll on the floor surface when the cleaner is moved.

Since the illustrated embodiment is constructed as described above, the cleaner main body is held so that the cleaning member 3 comes into contact with the upper surface of the tread A, as shown in FIG. , by driving and rotating the cleaning member 3, the footboard A is cleaned.

Next, when cleaning the riser board B, the main body a is reversed to the state shown in FIG. The cleaning member 3 is placed in pressure contact with the riser board B, and the riser board B is cleaned by driving and rotating the cleaning member 3.

At this time, by pressing the cleaning member 3 toward the riser board B, the cleaner main body rotates about the pivot 8 relative to the support frame 4, and the riser board B
The cleaning member 3 is pressed onto the riser B in response to the slope of the riser B. Therefore, risers B having various slopes can be cleaned.

C in the figure is a stair anti-slip device.

(Effects of the Invention) As described above, the present invention provides the stair tread seating on both the left and right sides of the motor support frame, which is disposed at the end of the horizontal cylindrical casing containing the motor on which the rotary cleaning member is mounted. By rotatably supporting a pair of inverted V-shaped tips that stand up from a base plate with a seating piece on the underside of the support frame, a single vacuum cleaner can be used to remove only the stair treads. Moreover, it is also capable of cleaning risers of various slopes, significantly improving the efficiency of cleaning work of stairs, and maintaining work safety.

[Brief explanation of the drawing]

1 and 2 respectively show how an embodiment of the stair cleaner according to the present invention is used, with FIG. 1 showing how risers are being cleaned, and FIG. 2 showing how treads are being cleaned.
FIG. 3 is a rear view of the stair cleaner. DESCRIPTION OF SYMBOLS 1... Casing, 2... Drive shaft, 3... Cleaning member, 4... Support frame for stair tread seating, 8... Pivot, a... Motor, b... Motor support frame, A...
Treadboard, B...Riser board.

Claims (1)

[Scope of utility model registration request] On both left and right outer sides of the motor support frame, which is installed at the end of the horizontal cylindrical casing that houses the vacuum cleaner's motor, there are a board with a seating piece on the bottom surface and a pair of inverted boards that stand up from the same board. In a support frame for seating a stair tread consisting of a V-shaped side frame, the tip of the side frame is rotatably supported, and a handle is mounted on the cover so as to be able to rise and fall freely, and wheels for rolling on the floor are provided. A stair cleaner comprising: a cleaning member mounted on the drive shaft of the motor; and a cleaning member mounted on the drive shaft of the motor.