JPH09240377A - Mud removing step for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To cause a step to have a function to remove mud adhered to the bottom parts of shoes. SOLUTION: A opening 1a smaller than a bottom surface of a shoe is arranged at an upper surface of a step 1. A rotary brush 2 is rotatably arranged at the opening 1a from above the upper surface of the step 1 with its upper part being exposed. A driving motor 3 for the rotary brush 2 is arranged at a part of the step 1 and then an operating switch 6 for the driving motor 3 is installed near the step 1.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a sludge step for an automobile.

[0002]

2. Description of the Related Art Generally, dump trucks and other special work vehicles come in and go out in and out of construction sites, landfills, etc., while drivers, passengers, workers etc. muddy Muddy soil, etc. adheres to the soles of the passengers when walking, and if the mud deposits are carried onto the driver's seat of an automobile with the soles attached to the soles, the inside of the driver's seat becomes dirty and the instruments and operating equipment inside the driver's seat may get dirty. It will cause harm.

[0003]

Conventionally, dump trucks, automobiles for various works, etc. are not provided with effective equipment for removing dirt and the like adhering to the soles of the driver or passengers, and the vehicle must be stopped. It seems that the actual situation is to deal with it by rubbing it into the step for getting into the driver's seat or picking up a piece of wood and scraping it off. However, this is time consuming and uncertain, and it is impossible to completely remove the mud and the like adhering to the shoe sole, and the mud and the like are brought into the driver's seat.

An object of the present invention is to provide a simple and reliable mud discharging step for an automobile having a function of removing mud and the like adhering to the shoe sole.

[0005]

To achieve the above object, the present invention provides an opening on the upper surface of the step that is smaller than the bottom area of the shoe sole, and a rotary brush is installed in the opening from the upper surface to the upper portion of the step. It is exposed and rotatably installed, a drive motor for the rotary brush is provided in a part of the step, and an operation switch of the drive motor is equipped near the step.

The single opening has a rectangular shape which is long in the front-rear direction of the vehicle, and the axis of the rotating brush is installed horizontally in the opening substantially parallel to the front-rear direction of the vehicle. Further, the drive motor may be installed in a part inside the vehicle body of the step orthogonal to the axis of the rotating brush, or the drive motor may be installed in a part inside the body of the step parallel to the axis of the rotating brush. May be. The drive motor is powered by a battery mounted on the vehicle. Further, the operation switch of the drive motor may be a manually operated switch, or the operation switch of the drive motor may be a foot-operated switch that operates when a shoe is placed on the step. Further, it is preferable that the rotation direction of the rotary brush is such that the upper surface of the brush is rotated toward the vehicle body in order to prevent the mud from scattering toward a person.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic perspective view of a mounted state of an automobile mud discharging step according to the present invention, and FIGS. 2 to 5 show first to fourth embodiments of the present invention. In FIG. 1, 1 is a step, 2 is a rotary brush, 3 is a drive motor, 4 is a transmission mechanism, 5 is a battery, 6 is an operation switch, 7 is a vehicle body, and 8 is a door.

Step 1 is attached using a sill (sill) member or the like on the side surface of the vehicle body 7 of the automobile under the door 8.
An opening 1a smaller than the bottom area of the shoe sole is formed on the upper surface. This opening 1a has a rectangular shape which is long in the front-back direction of the vehicle body 7 of the automobile, and the rotary brush 2 is provided in this opening 1a.
The shaft 2a is mounted horizontally via a bearing 9 so as to be substantially parallel to the front-back direction of the vehicle body 7 of the automobile. The material of step 1 is made of cast iron, aluminum alloy, other metal material or reinforced synthetic resin such as FRP, and its shape is a substantially rectangular shape that is long in the front-rear direction of the automobile body 7, for weight reduction, etc. By this, ribs are provided in a lattice shape between the periphery of the opening 1a and the outer peripheral portion, and the portions corresponding to the lattices by the ribs are in the shape of window holes penetrating vertically, or the upper surface is covered with a thin plate. The upper surface of the lever plate can be formed into an uneven surface for preventing slippage. The vertical thickness of step 1 is smaller than the diameter of the rotating brush 2. When the dimension of each part of step 1 is exemplified by mm, the outer peripheral part is 130 × 370, the vertical thickness is 25, and the opening part 1a is 80 × 152. The outer diameter of the rotating brush 2 is about 75φ and the axial length is about 145.

As the drive motor 3, a direct current motor such as a DC gear motor is used. As shown in FIGS. 1, 2 and 3, a part of the inside of the vehicle body 7 of step 1 is orthogonal to the axis 2a of the rotary brush 2. Or, as shown in FIGS. 4 and 5, in parallel with the shaft 2a of the rotating brush 2 and installed in a part of the inside of the vehicle body 7 in step 1.

In the case of FIGS. 1 and 2, the transmission mechanism 4 includes one end of the shaft 2a of the rotary brush 2 and the output shaft 3a of the drive motor 3.
Bevel gears 4a and 4b are fixed to the ends of the bevel gear 4
The case where the rotation of the drive motor 3 is transmitted to the rotary brush 2 by the meshing of a and 4b is shown. FIG. 3 shows that the worm wheel 4c and the worm 4d are fixed to one end of the shaft 2a of the rotary brush 2 and the end of the output shaft 3a of the drive motor 3, and the worm wheel 4c and the worm 4d are driven by meshing with each other. The case where the rotation of the motor 3 is transmitted to the rotary brush 2 is shown.
FIG. 4 shows one end of the shaft 2a of the rotary brush 2 and the drive motor 3
Timing pulleys (toothed pulleys) 4e and 4f are fixed to the end of the output shaft 3a of the drive motor 3a, and a timing belt (toothed belt) 4g is endlessly stretched over them to drive the drive motor 3
It shows a case where the rotation is transmitted to the rotating brush 2. In FIG. 5, bevel gears 4a and 4b are fixed to one end of the shaft 2a of the rotary brush 2 and the end of the output shaft 3a of the drive motor 3, and the relay shaft 4h orthogonal to both shafts can be rotated in step 1. The bevel gears 4i and 4j are fixed to both ends of the relay shaft 4h, and the bevel gears 4i and 4j are meshed with the bevel gears 4a and 4b to transmit the rotation of the drive motor 3 to the rotary brush 2. Shows the case where

The drive motor 3 is powered by a battery 5 mounted on the automobile. Further, the operation switch 6 of the drive motor 3 may be a manual operation switch, or may be a switch that operates when a driver or the like puts on shoes in step 1. Also, the rotating brush 2
The rotation direction of is preferably the direction in which the upper surface of the brush rotates toward the vehicle body 7 in order to prevent the mud from scattering toward the person. In addition, you may install a mud tray in the lower part of step 1. The sludge discharging step of the present invention can be applied to various construction machines having a self-propelled function, civil engineering machines, special work vehicles, buses, dump trucks, and various vehicles.

[0012]

EFFECTS OF THE INVENTION According to the present invention, at a construction site, a landfill site, etc., even if a driver or the like walks through a muddy road and dirt or the like adheres to the soles or side surfaces of the shoe, it is provided on the lower outside of the driver's seat of an automobile. By putting the shoe sole on the step and rotating the rotating brush, the mud etc. adhering to the shoe sole can be wiped off, and even the one on the side of the shoe sole can be wiped off by lying it sideways. it can. Since the area of the opening on which the rotary brush is installed on the upper surface of the step is smaller than the area of the bottom of the shoe sole, the shoe does not fit and is safe as a step when getting on and off the driver's seat. The opening has a rectangular shape that is long in the front-rear direction of the vehicle body, and the axis of the rotating brush can be installed parallel and horizontally in the front-rear direction of the vehicle body, and the rotating brush can be installed within the width dimension of the conventional step. The axial length of the rotating brush can be made sufficiently wider than the lateral width of the shoe, and wiping and removal of mud etc. can be efficiently performed continuously from the front end to the rear end including the side surface. . The drive motor may be attached to the vehicle body by selecting either the case where it is arranged orthogonal to the rotating brush or the case where it is arranged in parallel with it. Further, the power source of the drive motor can utilize the automobile battery. Further, the operation switch of the drive motor may be of a manually operated type or a stepped type such that the shoes are operated by placing them on the step. The rotation direction of the rotary brush is such that the upper part rotates inward of the vehicle body, so that it is possible to prevent the dirt and the like removed by the rotary brush from being applied to a person.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a mounted state of a vehicle mud discharge step according to the present invention.

FIG. 2A is a plan view of the first embodiment of the present invention, and FIG.
Is a side view thereof, and (C) is a front view thereof.

3A is a plan view of a second embodiment of the present invention, FIG.
Is its side view.

FIG. 4 is a plan view of a third embodiment of the present invention.

FIG. 5 is a plan view of a fourth embodiment of the present invention.

[Explanation of symbols]

 1 step 2 rotating brush 3 drive motor 4 transmission mechanism 5 battery 6 operation switch 7 vehicle body 8 door

Claims (1)

[Claims] 1. An opening smaller than the bottom area of the shoe sole is provided on the upper surface of the step, and a rotary brush is rotatably installed in the opening so that the upper part of the step is exposed from the upper surface of the step. A sludge discharging step for an automobile, which is provided in a part of the step and is equipped with an operation switch of the drive motor near the step.