JPH07156827A - Waterproof structure of cabin roof - Google Patents

Abstract

PURPOSE:To surely prevent the invasion of the water over the whole circumference of an upper frame of a cabin by mounting the outer circumferential side of a waterproof plate on an outer roof, and elastically press the inner circumferential side similarly against the upper frame of the cabin through a sealing material to surely seal the spaces of these members. CONSTITUTION:In a cabin of a tractor, etc., an outer roof 4 is fixed to a bracket 7 fixed to an upper frame 2 of a cabin through a fitting jig 3. In this constitution, the outer circumferential side of a waterproof plate 5A made of the hoop which is elastically deformable in the width direction is arranged along the lower surface of the circumference of the outer roof 4. On the other hand, the inner circumferential side of the waterproof plate 5A is arranged along the upper surface of the upper frame 2 through a sealing material 6. The outer roof 4 and the outer circumferential side of the waterproof plate 5A are fixed to the bracket 7 by the fitting jig 3 while the inner circumferential side of the waterproof plate 5A is elastically pressed against the upper frame 2. For example, these are fixed by a bolt 16 and a nut 15 through a rubber collar 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure for a cabin roof applied to a cabin of a traveling vehicle such as a tractor.

[0002]

2. Description of the Related Art A cabin of a traveling vehicle such as a tractor is provided with an upper frame on upper portions of front and rear and left and right columns to form a skeleton, and an outer roof and an inner roof are fixed to the upper frame through a mounting tool. Air conditioners are installed in between.

[0003]

Since the outer roof of the prior art described above is mounted only by the mounting tool,
Even if a sealing material is interposed between the upper frame and the upper frame, it is difficult to waterproof water such as car wash water that enters from below.
A first object of the present invention is to arrange a widthwise elastically deformable band-plate waterproof plate along a lower peripheral surface of an outer roof,
By fixing the outer roof and the waterproof plate to the bracket of the upper frame while elastically pressing the inner peripheral side of the waterproof plate against the upper surface of the upper frame, the waterproof structure of the cabin roof can prevent the intrusion of water from below. To provide.

A second object of the present invention is to attach a waterproof plate to the upper peripheral surface of the upper frame to omit the mounting bracket, and to interpose a sealing material between the waterproof plate and the lower peripheral surface of the outer roof to provide the upper portion. Another object of the present invention is to provide a waterproof structure for a cabin roof that can prevent water from entering from below by fixing it to a frame.

[0005]

A first specific means for solving the problems in the present invention is to fix a bracket 7 to a cabin upper frame 2 and fix an outer roof 4 to the bracket 7 via a mounting tool 3. In the cabin, the outer peripheral side of the band-like waterproof plate 5 which is elastically deformable in the width direction is arranged along the lower peripheral surface of the outer roof 4, and the inner peripheral side of the waterproof plate 5 is sealed along the upper surface of the upper frame 2. The outer roof 4 and the waterproof plate 5 are arranged while interposing the material 6, and the inner peripheral side of the waterproof plate 5 is pressed against the upper frame 2.
The outer peripheral side of the above is fixed to the bracket 7 of the upper frame 2 by the fixture 3.

A second specific means for solving the problems in the present invention is a cabin in which an outer roof 4 is fixed to a cabin upper frame 2 via a mounting tool 3, and is made of a strip plate along the lower peripheral surface of the outer roof 4. The outer peripheral side of the waterproof plate 5 is arranged, the inner peripheral side of the waterproof plate 5 is fixed to the upper surface of the upper frame 2, and the outer roof 4 and the outer peripheral side of the waterproof plate 5 are provided with a seal member 6 interposed therebetween to mount the fixture. It is fixed at 3.

[0007]

The outer peripheral side of the waterproof plate 5 is attached to the outer roof 4, and the inner peripheral side of the waterproof plate 5 has the seal member 6 interposed therebetween.
The upper surface of the upper frame 2 is elastically pressed, and the upper frame 2 and the waterproof plate 5 and the waterproof plate 5 and the outer roof 4 are reliably sealed to prevent water from entering the entire circumference of the upper frame 2. .

Further, the inner peripheral side of the waterproof plate 5 is the upper frame 2.
Is fixed to the upper surface of the outer roof 4 and the outer peripheral side is fixed to the outer roof 4 with the sealing material 6 interposed therebetween, and the upper frame 2 and the waterproof plate 5 and the waterproof plate 5 and the outer roof 4 are securely sealed, A bracket that securely prevents water from entering the entire circumference of the frame 2 and attaches the waterproof plate 5 to the upper frame 2 is not required.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of the present invention, in which 1
Is a skeleton of the cabin, and the upper frame 2 is provided above the left and right front columns 11, the side columns 12, and the rear columns 13, and the side members 2A from the side to the rear have two circular pipes facing inward. It is formed of a bent odd-shaped pipe, and the front member 2B is formed of a square pipe.

A substantially L-shaped bracket 7 is welded to the outer peripheral surface of the upper frame 2 with a space therebetween.
The nut 15 is welded to the
Can be screwed. The outer roof 4 is fixed to the bracket 7 via the bolts 16. The outer roof 4 is formed of plastic, sheet metal or the like, and a gutter portion 4A arranged substantially horizontally is formed on the outer peripheral portion thereof, and the bolt 16 penetrates the gutter portion 4A.

An outer peripheral side of a waterproof plate 5 made of a strip plate is arranged along the lower surface of the gutter portion 4A on the outer peripheral portion of the outer roof 4. The waterproof plate 5 is fixed to the outer roof 4 at a position displaced from the bracket 7 by a bolt and a nut different from the bolt 16. The waterproof plate 5 is divided into a plurality of parts with respect to the periphery of the upper frame 2, and is designed to correspond to the entire circumference of the upper frame 2 by combining linear parts, corner parts, arc parts, etc., and is relatively thin. Since it is a strip plate, it can be elastically deformed in the width direction, and its inner peripheral side is arranged in contact with the upper surface of the upper frame 2 with the sealing material 6 interposed.

In the mounting structure of the side member 2A and the outer roof 4 shown in FIG. 1, a rubber collar 17 is interposed between the waterproof plate 5A and the bracket 7, and the bolt 1
6 is fixed to the bracket 7 of the upper frame 2 by fixing the outer roof 4 and the waterproof plate 5, which are fixed in advance, by penetrating the outer roof 4, the waterproof plate 5A and the rubber collar 17 and screwing them into the nut 15. The fixture 3 is formed by the bolt 16, the nut 15, the rubber collar 17, and a bolt (not shown) that fixes the outer roof 4 and the waterproof plate 5 in advance.

The fixing by the fitting 3 is performed by bringing the outer roof 4 and the waterproof plate 5A into face contact with each other.
Ensure a seal between them. Further, the gutter portion 4A is pulled down from the upper surface of the sealing material 6, and the waterproof plate 5A is elastically deformed in the width direction so that the outer peripheral portion thereof is lower than the inner peripheral portion, so that the inner peripheral side of the waterproof plate 5A is an upper frame. Two
The sealing material 6 is compressed by being pressed to secure the seal between the upper frame 2 and the waterproof plate 5A.

Further, by providing the mounting member 3 with the rubber collar 17, the elastic force of the waterproof plate 5A and the compression of the sealing material 6 against the upper frame 2 become more effective. In addition, without fixing the outer roof 4 and the waterproof plate 5 in advance, the bracket 7 is inserted through the rubber collar 17 at all bolt positions.
It may be fixed to. In the mounting structure of the front member 2B and the outer roof 4 shown in FIG. 2, the waterproof plate 5B is bent in the shape of a crank in the width direction, the bracket 7 protrudes upward from the front member 2B, and is attached to the gutter portion 4A of the outer roof 4. The raised bottom portion 4B is formed, and the waterproof plate 5 is formed by the lower surface of the raised bottom portion 4B and the bracket 7.
The outer peripheral portion of B is clamped.

Since the waterproof plate 5B is bent in the width direction, it can be elastically deformed in the width direction, and the sealing material 6 is used.
It contacts the front member 2B of the upper frame 2 with the interposition of, and the seal between the waterproof plate 5B and the outer roof 4 and the upper frame 2 can be achieved as in the case of FIG. A rubber collar 17 may be interposed between the bracket 7 and the waterproof plate 5B, or the outer roof 4 may be formed in a shape without a raised bottom portion 4B. Further, the front member 2B and the outer roof 4 may be formed.
The attachment to and may have the same structure as the attachment to the side member 2A.

FIG. 4 shows a second embodiment of the present invention.
As the waterproof plate 5C, a thicker plate than that of the first embodiment is used, and the inner peripheral portion of the waterproof plate 5C is fixed to the upper surface of the side member 2A (and the front member 2B) of the upper frame 2 by welding and caulking. 18 are given. Waterproof plate 5C
The outer peripheral portion of the outer roof 4 faces the lower surface of the gutter portion 4A of the outer roof 4 which is substantially horizontal, and the seal member 6 is interposed therebetween. The waterproof plate 5C and the outer roof 4 are fixed by the fixture 3 having the bolt 16 and the nut 15. There is. The sealing material 6 may be provided over the entire area of the opposing surface between the waterproof plate 5C and the lower surface of the trough portion 4A.

A seal is secured between the waterproof plate 5C and the upper frame 2 by welding and caulking 18, and a seal is secured between the waterproof plate 5C and the outer roof 4 by a fitting 3 and a seal member 6. This second
In the embodiment, the waterproof plate 5C serves as a mounting bracket, and therefore the bracket 7 of the first embodiment is used.
Is unnecessary.

The present invention is not limited to the above embodiment, but can be variously modified. For example, in FIG.
2, a sealing material may be interposed between the gutter portion 4A of the outer roof 4 and the outer peripheral portion of the waterproof plate 5 as in the second embodiment.

[0019]

According to the present invention described in detail above, the outer peripheral side of the band-like waterproof plate 5 which is elastically deformable in the width direction is arranged along the lower peripheral surface of the outer roof 4, and the waterproof plate 5 is provided.
The inner peripheral side of the outer frame 4 is arranged along the upper surface of the upper frame 2 with the sealing material 6 interposed therebetween, and the outer roof 4 and the outer peripheral side of the waterproof plate 5 are pressed while the inner peripheral side of the waterproof plate 5 is pressed against the upper frame 2. Since it is fixed to the upper frame 2 with the fixture 3, the seal between the upper frame 2 and the waterproof plate 5 and between the waterproof plate 5 and the outer roof 4 can be ensured, and the water can be completely covered around the entire circumference of the upper frame 2. Can be reliably prevented from entering.

The outer side of the waterproof plate 5 made of a strip plate is arranged along the lower surface of the outer roof 4 and the inner side of the waterproof plate 5 is fixed to the upper surface of the upper frame 2 to form the outer roof 4 and the waterproof plate 5. Sealing material 6 between the outer peripheral side and
Since it is fixed with the fixture 3 with the interposition of the above, the seal between the upper frame 2 and the waterproof plate 5 and between the waterproof plate 5 and the outer roof 4 can be ensured, and water can be protected over the entire circumference of the upper frame 2. It is possible to reliably prevent the intrusion of water, and a cost is reduced because a bracket is not required for attaching the waterproof plate 5.

[Brief description of drawings]

FIG. 1 is a sectional view showing a first embodiment of the present invention and applied to a side member of an upper frame.

FIG. 2 is a sectional view showing a first embodiment of the present invention and applied to a front member of an upper frame.

FIG. 3 is a perspective explanatory view in which the same portion is cut away.

FIG. 4 is a sectional view showing a second embodiment of the present invention.

[Explanation of symbols]

 1 Cabin 2 Upper Frame 2A Side Member 2B Front Member 3 Mounting Tool 4 Outer Roof 5 Waterproof Plate 6 Sealing Material 7 Bracket

Claims (2)

[Claims] 1. A cabin in which a bracket (7) is fixed to an upper frame (2) of the cabin, and an outer roof (4) is fixed to the bracket (7) via a fitting (3), the outer roof (4) being The outer peripheral side of the waterproof plate (5) made of a strip plate that is elastically deformable in the width direction is arranged along the lower peripheral surface, and the inner peripheral side of the waterproof plate (5) is arranged along the upper surface of the upper frame (2) with a sealing material ( 6) is interposed, and the outer roof (4) and the outer peripheral side of the waterproof plate (5) are attached by a mounting tool (3) while the inner peripheral side of the waterproof plate (5) is being pressed against the upper frame (2). Bracket (7) for upper frame (2)
Waterproof structure of the cabin roof, which is fixed to the. 2. A cabin in which an outer roof (4) is fixed to an upper frame (2) of a cabin through a fitting (3), wherein a waterproof plate (5) made of a strip plate is provided along a lower surface around the outer roof (4). The outer peripheral side is arranged, the inner peripheral side of the waterproof plate (5) is fixed to the upper surface of the upper frame (2), and the outer roof (4) and the outer peripheral side of the waterproof plate (5) are provided with a sealing material (6) therebetween. A waterproof structure for a cabin roof, characterized in that it is fixed by means of a fitting (3) with the interposition of.