JPH0710039A - Tractor floor structure - Google Patents

Abstract

PURPOSE:To prevent water from entering upward from a drain hole and noise from being transmitted, and also to enable the positioning of a floor mat to a floor plate by making the side parts of a floor plate into its stepless state so as to hold the side parts of the floor mat, and so as to discharge water and dust collected between the floor plate and the floor mat from the drain hole. CONSTITUTION:A floor mat 4 is placed on the upper surface of a floor plate 3 for covering the upper surface of a tractor main body 2, and right and left parts 5 and a foot placing part 6 are formed. And a hold-down part 8 for pinching the side ends of the floor mat 4 by being raised upward is integrally provided on the side ends of the floor plate 3, and drain holes 9 are formed in the part facing to the step parts 5, moreover protrusions 10 for plugging up the drain holes 9 are provided on the lower surface of the floor mat 4 so as to be protruded downward.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor structure of a tractor used for agriculture, civil engineering and the like.

[0002]

2. Description of the Related Art For example, in the floor of a tractor with a cabin, a floor plate covering the upper surface of the tractor body is attached to the frame of the cabin, and a floor mat is placed on the upper surface of the floor plate via a sound absorbing material, a vibration damping material or the like. The left and right step portions and the central footrest portion are formed.

Then, the rear halves of the left and right side portions of the floor plate are connected to the left and right fenders which form a part of the cabin frame, and the angle-shaped pressing plates are fixed to the side portions of the floor plate by bolts to form a floor mat. The side harness of the wire harness is attached so as not to come off, and the wire harness is sandwiched between the floor plate and the floor mat.

[0004]

In the above-mentioned prior art, the floor plate is a plate without holes, and if the pressing plate is removed and the floor mat or the like is peeled off, cleaning of the upper surface of the floor plate, drainage, etc. But you can
Making the pressing plate detachable increases the number of parts and forms a step on the side surface.

Particularly in the case of a tractor with a cabin, since the pressing plate portion is the contact surface of the weather strip of the door, if there is a step, sealing becomes difficult. This seal may be caulked, but if the pressing plate is removed to remove the floor mat during cleaning of the floor plate, the caulking will be broken and the caulking process will have to be performed again.

Therefore, it is conceivable to integrally provide a pressing portion that rises upward on the side edge of the floor plate and clamps the side edge of the floor mat. With this structure, even if the floor mat is peeled off, the floor mat is removed. The plate is obstructed by the holding part, making cleaning and draining difficult. According to the present invention, a pressing portion for sandwiching a side end of a floor mat is integrally provided on a side end of the floor plate so that the floor mat can be held without forming a step, and a drain hole is formed in the floor plate. It is an object of the present invention to provide a floor structure of a tractor in which the floor mat is provided with a protrusion for filling the drainage hole to facilitate cleaning and drainage.

[0007]

A concrete means for solving the problems in the present invention is to mount a floor mat 4 on the upper surface of a floor plate 3 covering the upper surface of the tractor vehicle body 2, and to mount the left and right step portions 5 and foot rests. In the floor structure of the tractor forming the portion 6, the pressing portion 8 which rises upward and clamps the side end of the floor mat 4 is integrally provided at the side end of the floor plate 3, and the step portion 5 corresponding portion is provided. That is, the drainage hole 9 is formed in the floor mat, and the projection 10 for filling the drainage hole 9 is provided on the lower surface of the floor mat 4 so as to project downward.

[0008]

[Function] A floor plate 3 covering the upper surface of the tractor vehicle body 2
When the floor mat 4 is placed on the upper surface of the floor mat 4 and the concave portion 7 along the side edge is inserted into the lower side of the pressing portion 8 of the floor plate 3 on the upper surface of the side end of the floor mat 4, the floor mat 4 is engaged. The side portions of are held by the side portions of the floor plate 3 to prevent easy peeling.

A drain hole 9 is formed in a portion of the floor plate 3 corresponding to the step portion 5 so that water, dust and the like collected between the floor plate 3 and the floor mat 4 can be drained from the drain hole 9.
The floor mat 4 is positioned by positioning the floor mat 4 by blocking the noise from the bottom with the projection 10 provided on the lower surface of the floor mat 4 so as to project downward.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In FIGS. 1, 2, and 4, reference numeral 1 denotes a tractor, and a tractor vehicle body 2 is constituted by an engine 2A, a clutch housing 2B, a transmission case 2C, etc., and a cabin 12 is fixedly or independently attached to and detached from an upper rear portion of the tractor vehicle body 2. It is installed as possible.

The cabin 12 has a frame body 13 formed of a tubular material, the floor plate 3, the seat plate 14, the left and right fenders 15 and the like are fixed to the lower portion of the frame pair 3, and the roof structure 16 is attached to the upper portion thereof. . Doors 17 are arranged between the left and right front columns and the intermediate columns that form the frame body 13,
A front glass is provided between the left and right front columns, a side glass is provided between each of the left and right intermediate columns, and a rear column, and a rear glass that can be opened and closed is provided between the left and right rear columns.

A mounting plate 18 is provided on the front of the frame 13.
A control device 19 is attached via a vehicle, and a driver's seat 20 is arranged on the seat plate 14. The floor plate 3 covers the upper surface of the tractor vehicle body 2. The front part of the floor plate 3 is connected to the front lower member 21 of the frame body 13, the rear parts of the left and right side parts are connected to the fender 15, and the rear part is connected to the seat plate 14. The front side of the left right side portion faces the door 17.

A floor mat 4 made of rubber or elastic plastic is placed on the upper surface of the floor plate 3 to form left and right step portions 5 and a central footrest portion 6. Since the floor plate 3 substantially corresponds to the upper surface shape of the mission case 2C, the portion corresponding to the footrest portion 6 is slightly higher than the portions corresponding to the left and right step portions 5.

In order to make the upper surface of the floor mat 4 horizontal, the portion corresponding to the footrest portion 6 is formed slightly thinner than the portions corresponding to the left and right step portions 5 by an amount corresponding to the amount of rise of the floor plate 3. ing. The floor mat 4 is sufficiently thicker than that of the prior art, and has a plurality of grooves 4A formed in the left-right direction on its lower surface. The groove 4A may be long in the front-rear direction or long in the left-right direction. Since the floor mat 4 has a large wall thickness, it is formed to a sufficient depth to reduce noise by diffusing noise from below, and By making the lower surface side of 4 flexible, it has the role of reducing vibration.

The groove 4A may be long in the front-rear direction or long in the left-right direction and can be used as a space for disposing the wire harness 27 by inserting the wire harness 27 therethrough. A pressing portion 8 is formed at a side end of the floor plate 3, at least a portion facing the door 17. The pressing portion 8 is formed by welding a plate material bent in a step shape to the side end of the floor plate 3, and a standing wall 8A that rises upward from the side end of the floor plate 3.
And an upper wall 8B bent from the upper end of the standing wall 8A toward the step portion 5 side.

Further, the plate material forming the pressing portion 8 is further provided with a skirt portion 8C extending downward from the side end of the floor plate 3 in an inverted L shape. In the pressing portion 8, the standing wall 8A and the upper wall 8B may be formed to have a U-shaped cross section in combination with the main body portion of the floor plate 3. On the other hand, a concave portion 7 is formed along the side edge on the upper surface of the side portion of the floor mat 4, and the upper wall 8B of the pressing portion 8 is engaged with the concave portion 7 to form the side portion of the floor mat 4. The upper surface of the pressing portion 8 is set flush with or lower than the upper surface of the floor mat 4.

Further, circular drain holes 9 are formed vertically through the floor plate 3 at the portions corresponding to the left and right step portions 5 so that dust, water and the like coming from the periphery of the floor mat 4 onto the floor plate 3 can be prevented. It can be discharged below the cabin. In addition, it is preferable that the floor plate 3 forms the lowest portion among the portions corresponding to the left and right step portions 5, and the drain hole 9 is formed at that position.

On the lower surface of the floor mat 4, the drain holes 9 are provided.
A protrusion 10 is provided so as to protrude downward so as to be opposed to and to be packed. The protrusion 10 has a downwardly tapered truncated cone shape, and a large-diameter portion thereof is slightly larger than the drain hole 9. By engaging the projection 10 with the drain hole 9, it is possible to prevent water from entering through the drain hole 9 and the propagation of noise and to position the floor mat 4 with respect to the floor plate 3. Further, when the protrusion 10 is pushed into the drain hole 9, the floor mat 4 can be prevented from peeling.

The shape of the drainage hole 9 and the cross-sectional shape of the protrusion 10 are not limited to a circle, but may be an ellipse or a rectangle, and a plurality of them may be formed on each of the left and right step portions 5. FIG. 3 shows a modified example of the pressing portion 8. The pressing portion 8 is integrally formed with the floor plate 3, and the side end of the floor plate 3 is raised to the upper side to form the standing wall 8A, and this standing wall 8A. Is bent from the upper end to the step portion 5 side to form the upper wall 8B, and is formed to have a U-shaped cross section together with the main body portion of the floor plate 3.

In the case of this pressing portion 8, the standing wall 8A is connected to the fender 15. Further, the side edge of the floor mat 4 is not in close contact with the standing wall 8A and forms a long and narrow space, and this space is a space for arranging the wire harness 27, and the wire harness 27 is a peripheral portion of the floor plate 3. You can go to.

[0021]

According to the present invention described in detail above, a pressing portion 8 which rises upward and clamps the side edge of the floor mat 4 is integrally provided at the side edge of the floor plate 3, and the portion corresponding to the step portion 5 is provided. Since the drainage holes 9 are formed in the floor mats and the projections 10 for filling the drainage holes 9 are provided on the lower surface of the floor mat 4 so as to project downward, the side portions of the floor plate 3 are not stepped, and The side portions can be held, and in addition, the water, dust, and the like accumulated between the floor plate 3 and the floor mat 4 can be discharged from the drain hole 9, which prevents water from entering the drain hole 9 and causing noise. It is possible to prevent the propagation and to position the floor mat 4 with respect to the floor plate 3.

[Brief description of drawings]

FIG. 1 is a cross-sectional perspective view of a main part showing an embodiment of the present invention.

FIG. 2 is a sectional perspective view of a main part.

FIG. 3 is a sectional front view showing a modified example of a pressing portion.

FIG. 4 is a partial sectional side view of a tractor with a cabin.

[Explanation of symbols]

 2 tractor body 3 floor plate 4 floor mat 5 step part 6 foot rest part 7 recessed part 8 hold down part 9 drainage hole 10 protrusion 12 cabin 13 frame 17 door

Claims (1)

[Claims] 1. A floor mat (4) is placed on the upper surface of a floor plate (3) covering the upper surface of the tractor vehicle body (2),
In a floor structure of a tractor having left and right step portions (5) and a foot rest portion (6), the side end of the floor plate (3) rises up and holds the side end of the floor mat (4). The pressing portion (8) is integrally provided, the drain hole (9) is formed in the portion corresponding to the step portion (5), and the projection (10) for filling the drain hole (9) is provided on the lower surface of the floor mat (4) downward. A tractor floor structure characterized by being provided in a protruding shape.