JP2000136546A - Floor mat for driver's cab of working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily drain muddy water with the smooth flow of water for cleaning the upper face of a mat by forming a front side corresponding part of a driver's cab as an inclined face inclining downward toward the rear, and bending upward the peripheral edge excluding a doorway part. SOLUTION: The upper face of a front part 2a of opening parts 3, 4, 5 is formed as an inclined face inclining downward toward the rear at a specified angle, and a rear part 2b is consecutively installed to the front part 2a through a borderline 6. In this case, a triangular side part 2c is consecutively installed to the rear part 2b between the front part 2a and the front side of a wide part of a left side part facing a doorway part 7, through borderlines 8, 9. An upward bent part 11 is provided at the peripheral edge of a floor mat 2 excluding the doorway part 7, and upward bent parts are also provided at the peripheral edges of the opening parts 3, 4, 5. Sediment and wash water are therefore prevented from entering the rear face form the peripheral edge of the mat 2 and the peripheral edges of the opening parts 3, 4, 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor mat for a cab of a working machine including a construction machine such as a hydraulic shovel.

[0002]

2. Description of the Related Art In general, a rubber floor mat for receiving earth and sand or mud is laid on a floor of an operator's cab of a construction machine or the like at a portion where a driver's foot is placed. This floor mat is usually formed as a flat plate as a whole with unevenness of anti-slip on the surface, and has a shape having an opening for projecting an operating device or a footrest attached to the floor at a required portion. .

[0003] However, when the floor mat is formed in a flat plate shape as described above, earth and sand or cleaning for intrusion from gaps formed between the periphery of the floor mat and the wall surface or structure of the cab. Since there is a problem that water flows around to the back surface of the floor mat, there has been proposed a configuration in which a bank-shaped protruding surface portion is provided on a periphery or the like except for an entrance / exit portion of a driver's cab (Japanese Utility Model Application Laid-Open No. Hei 3 (1991)). 7673
No. 9).

Further, a bent edge portion is formed downward at the side end portion of the floor mat so as to cover the upper end portion of the side end of the floor, thereby damaging the upper end portion of the floor end and causing damage to the floor mat and the floor. It has also been proposed to prevent the intrusion of earth and sand into the space (U.S. Pat. No. 2,508,848).
issue).

[0005]

However, in each of the above-mentioned conventional devices, the floor mat surface at the front of the cab in which the steering pedal and the footrest are provided is formed as a flat surface. In particular, when the floor mat surface at the foot of a driver who is easily soiled is washed with water, there is a problem that earth and sand or cleaning water does not flow smoothly, and is accumulated on the floor mat so that the cleaning operation cannot be easily performed.

SUMMARY OF THE INVENTION The present invention has been made in order to solve such a problem, and it is an object of the present invention to operate a working machine capable of easily discharging muddy water to the outside of a cab by forming a smooth flow of cleaning water on a mat upper surface. It is an object of the present invention to provide a room floor mat.

[0007]

Means for Solving the Problems and Action / Effect To achieve the above object, a floor mat for a cab of a working machine according to the present invention is a floor mat for a cab laid on a floor of a cab of a working machine, A portion corresponding to the front side of the driver's cab is formed on a downward slope toward the rear,
It is characterized in that a bent portion bent upward is provided at least on the periphery except for the doorway portion of the driver.

According to the present invention, the portion corresponding to the front side of the driver's cab is formed with a downwardly sloping slope toward the rear, so that when the upper surface of the floor mat is washed with water, the earth and sand and the washing water are smooth. At the rear and easily drained out of the cab. In addition, since a bent portion that is bent upward is provided at least on a periphery except a driver's doorway portion, earth and sand and washing water are prevented from entering the back surface of the floor mat from this periphery, and Sediment is surely guided to the doorway. In addition, the front of the floor mat is sloped and not stepped, so that the driver can place his feet on any part of the floor mat without discomfort and increase the driver's foot space. There is also an effect that can be done.

In the present invention, it is preferable that a bent portion bent upward is provided on the periphery of the opening formed to surround the protruding object protruding from the floor of the cab. In this manner, by providing a bent portion on the periphery of the opening formed in the floor mat corresponding to a projecting object such as a steering pedal, a footrest or the like protruding from the floor surface of the driver's cab, It is possible to prevent earth and sand and washing water from entering the back surface of the floor mat also from the periphery of the floor mat.

[0010] In the present invention, it is preferable that a bent portion bent downward is provided at an edge of the doorway of the driver. By doing so, it is possible to easily discharge the washing water to the outside of the cab, and there is also an effect that the bent portion protects the corner of the doorway.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of a floor mat for a cab of a working machine according to the present invention will be described with reference to the drawings.

FIG. 1 is a partially cutaway side view of a hydraulic shovel equipped with a floor mat according to an embodiment of the present invention, and FIG. 2 is a plan view of the floor mat.

In the hydraulic excavator of this embodiment, an upper revolving structure that is rotatable with respect to the lower traveling structure is provided, and a cab 1 for the cab is mounted on the upper revolving structure. A floor mat 2 is laid on the floor surface.

The outer shape of the floor mat 2 is determined so that the floor mat 2 is laid on the floor so as to avoid the frame members provided around the driver's cab, and is arranged on the front side (left side in FIG. 2) of the driver's cab. It has openings 3, 4, 5 for projecting a footrest, a steering lever, and an attachment pedal, which are protrusions attached to the floor.

The front portion 2a in which the openings 3, 4, and 5 are formed has an upper surface formed on a rearwardly sloping surface at a predetermined inclination angle (for example, 1 °) toward the rear. Rear portion 2b connected to boundary line 2a via boundary line 6
Has an upper surface formed as a flat surface. The rear portion 2b has a wide left side facing the entrance 7 and is generally omitted in plan view between the front side of the wide portion and the front portion 2a via boundary lines 8 and 9, respectively. Triangular side portions 2c are provided continuously. This side portion 2c is
It is formed on an inclined surface having a downward slope from the boundary line 8 to the boundary line 9. In addition, on the upper surface of the rear portion 2b,
A plurality of anti-slip projections 10 are integrally formed in the left-right direction.

A bent portion 11 bent upward is provided on the periphery of the floor mat 2 excluding the entrance 7. A bent portion 12 bent upward is also provided on the periphery of the openings 3, 4, and 5. Thereby, it is possible to prevent earth and sand and washing water from entering the back surface from the periphery of the floor mat 2, and to prevent the openings 3, 4, 5
The earth and sand and the washing water can be prevented from entering the back surface from the peripheral edge.

A bent portion 13 is provided at the edge of the entrance 7 so as to bend downward so as to enclose the end of the cab frame.

Since the floor mat 2 of the present embodiment has the above-described structure, when the upper surface of the floor mat 2 is washed with water, the earth and sand and the washing water are smooth due to the inclined surfaces of the front portion 2a and the side portions 2c. Without being spilled from the floor mat 2 to the floor frame, the water is reliably guided to the entrance 7 and easily drained out of the driver's cab through the bent portion 13 at the edge of the entrance 7. You. In addition, when the garbage and the like cleaned using a cleaning tool such as a brush are swept out, the bent portion 13 is provided so that the garbage and the like can be easily swept out. Further, since the front portion of the floor mat 2 is formed as an inclined surface and is not stepped, no matter what part of the floor mat 2 is put by the driver on the floor mat 2, there is no uncomfortable feeling and the foot space of the driver is widened. And the ability to
Providing the bent portion 13 also has the effect of protecting the corners of the entrance 7.

The overall outer shape of the floor mat 2 and the shapes and the inclination angles of the front portion 2a and the side portions 2c as the inclined portions are not limited to those of the present embodiment.
Various other modifications are possible.

In this embodiment, an example in which the present invention is applied to a hydraulic excavator has been described. However, the floor mat of the present invention can be applied to various working machines including construction machines other than the hydraulic excavator.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of a hydraulic excavator.

FIG. 2 is a plan view of a floor mat.

FIG. 3 is a sectional view (A) of AA in FIG. 2 and an enlarged view of a P portion thereof (B).

FIG. 4 is a right side view (a) and a left side view (b) of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cab for driver's cab 2 Floor mat 2a Front part 2b Back part 2c Side part 3,4,5 Opening 6,8,9 Boundary line 7 Doorway 10 Projection 11,12,13 Bent part

Continued on the front page (72) Inventor Yoshio Nishisaka 3-1-1 Ueno, Hirakata-shi, Osaka F-term in Osaka Plant, Komatsu Manufacturing Co., Ltd. 2D015 EB00

Claims (3)

[Claims] 1. A cab floor mat laid on the floor of a cab of a working machine, wherein a portion corresponding to a front side of the cab is formed on a downwardly sloping slope toward the rear, and at least a driver entrance / exit portion. A floor mat for a cab of a working machine, wherein a bent portion which is bent upward is provided on a peripheral edge excluding the above. 2. The work according to claim 1, further comprising a bent portion that is bent upward at a periphery of an opening formed to surround a protrusion protruding from the floor surface of the cab. Floor mat for the cab of the machine. 3. The floor mat for a cab of a working machine according to claim 1, wherein a bent portion bent downward is provided at an edge of the doorway of the driver.