JPH10291485A - Cabin of working machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the intrusion of rain water from a connection part of a ceiling frame and a roof by providing a frame with supports and a ceiling frame, which is fixed to an upper end of the supports so as to surround a space, and curving a top plate inside so that the periphery of an edge thereof is fitted to the ceiling frame. SOLUTION: A ceiling frame 7 is formed of different shape pipes, which has a gourd-shaped cross section and of which central part is bent at a right angle, and provided with a large diameter part 7a in an upper side thereof and a small diameter part 7b, of which wall surface is communicated with the large diameter part 7a, under the large diameter part 7a, and a periphery of an edge 8a of a roof 8 is fitted in the wall surface of an outside narrow part 7c. One end of a fitting 14 is locked with the wall surface of an inside narrow part 7d of the ceiling frame 7. The other end of the fitting 14 is locked with the roof 8 by bolts, and a ceiling part of the roof 8 is locked with the ceiling frame 7 so as to prevent the generation of vibration. The periphery of the edge 8a of the roof 8 is tightly fitted to the outside narrow part 7c of the ceiling frame 7 so as to prevent the intrusion of rain water from a connection part of the roof 8 and the ceiling frame 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cabin of a working machine, and more particularly to a cabin of a working machine used as a cockpit of a tractor or a combine.

[0002]

2. Description of the Related Art A cockpit, which is a cabin of a conventional working machine such as a tractor and a combine, is provided to protect a driver from cold, hot, wind and rain.
As shown in the figure, the left and right sides and the side surface portion 4 of the front surface portion 41a and the rear surface portion 41b of the cockpit 41 in the tractor body 40
1c, a column 42 of a deformed pipe having a gourd-shaped cross section is erected, and the corners of the ceiling frame 43 are attached to the upper ends of the columns 42 at the four corners, and the column 42 is fixed along the fender 52. 44 and support frame 45
And a roof 47 as a top plate is attached to the ceiling frame 43.

[0003] That is, the strut 42 is formed of a deformed pipe having a gourd-shaped cross section, between the left and right struts 42 of the front part 41a, between the left and right struts 42 of the rear part 41b, and between the struts 42 of the front part 41a and the rear part 41b. Each step 4
In order to cover the front, rear and side surfaces of the cockpit 41, a glass 49 is fastened to 2a via a cushion rubber 48 with a double-sided tape, and a gap between the column 42 and the glass 49 and a gap between the column 42 and the cushion rubber 48. Is filled with a sealer 50. And this Sheila 5
0 is covered by a molding 51. Also, the fixing member 4
4 and the support frame 45 are welded to the fender 52.

[0004]

However, in the cabin of the above-mentioned working machine, an ethylene propylene rubber sponge is disposed in the gap between the ceiling frame 43 and the roof 47 to provide a seal, and the bolts and nuts are used to stop the cabin. Ceiling frame 43
And the roof 47, the ceiling frame 4
Cockpit due to poor adhesion when the ethylene propylene rubber sponge is interposed between the roof 3 and the roof 47 and the difficulty in shaping the roof 47 so that the peripheral edge of the roof 47 is formed in conformity with the ceiling frame 43. There is a problem of water leaking into the inside 41.

A sealer 50 is provided in the gap between the column 42 and the glass 49 and the gap between the column 42 and the cushion rubber 48.
Is very difficult, requires skill, and has a problem in that the mounting cost of the glass 49 increases.

Further, since the fixing member 44 and the support frame 45 are welded to the fender 52, welding distortion occurs when the glass 49 or the door is fitted to the fixing member 44, and each part is designed according to dimensions. However, there is a problem that it takes a long time to fit the glass 49 and the door, since a fitting process is required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a cabin of a working machine which prevents rainwater from entering from a joint between a ceiling frame and a roof. With the goal.

[0008]

Therefore, in order to achieve the above object, the cabinet of the working machine according to the first aspect of the present invention has a frame (5) which is three-dimensionally combined so as to form a space inside. , 6, 7), a top plate (8) disposed on the upper surface of the frame (5, 6, 7), and a glass (11) attached to the side surface of the frame (5, 6, 7). ), The frame body includes a column (6), and a ceiling frame (7) fixed to the upper end of the column (6) and arranged to surround the space. The top plate (8) is characterized by being formed inwardly curved such that the outer periphery of the edge (8a) fits into the ceiling frame (7).

[Operation] Based on the above configuration, the support (6)
The edge (8a) of the roof (8) is fitted along the shape of the outer constricted portion (7c) of the ceiling frame (7) disposed at the upper end of the ceiling frame so as to surround the space.

The reference numerals in parentheses described above are for the purpose of comparing the drawings, and do not limit the configuration of the present invention.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIGS. 1A and 1B are a side view and a rear view showing an essential part of a working machine according to a first embodiment of the present invention, and FIG. 2 is a ceiling frame and a roof. FIG. 3 is a cross-sectional view showing a state in which the support and the glass are attached to each other.

In FIG. 1, a cabin 1 is a cockpit.
Is constituted by a frame described later. That is,
The frame body is configured by attaching a ceiling frame 7 to an upper end of a support column 6 erected from a predetermined position of a support frame 5 arranged along the outer periphery of the fender 4.

The support frame 5 has one end attached to the upper end of the fixing member 3 extending upward from the axle 2 and the other end attached to the lower end of the fender 4. Is filled with a sealer 10. Further, the fixing member 3 is fixed to the fender 4 by a stop plate 9. An outer periphery of an edge 8a of a roof (top plate) 8 made of FRP having flexibility is fitted into the ceiling frame 7.

As shown in FIG. 3, the strut 6 is formed of a deformed pipe having a gourd-shaped cross section whose center is bent at right angles, and a cushion rubber 12 serving as a cushioning material is provided on one surface of the bent portion 6a bent at right angles. Glass 11 is fixed.

That is, a plurality of screw through holes 11 a are formed in the edge of the glass 11.
A screw 13 such as a tapping screw is made to penetrate through a, and the column 6 and the glass 11 are screwed via a cushion rubber 12. In this manner, the glass 11 is supported between the left and right columns 6 and 6 on the front side of the cabin 1, the left and right columns 6 and 6 on the rear side, and between the columns 6 on the front and rear sides.

As shown in FIG. 2, the ceiling frame 7 is formed of a deformed pipe having a gourd-shaped cross section whose center is confined at a right angle, and has an upper large-diameter portion 7a, a lower portion than the large-diameter portion 7a, and A small-diameter portion 7b having a wall surface communicated with the large-diameter portion 7a is formed so that the outer periphery of the edge 8a of the roof 8 can be fitted to the wall surface of the outer constricted portion 7c. Also, the inner constricted portion 7 of the ceiling frame 7
One end of the stopper 14 is fixed to the wall surface d. The other end of the stopper 14 is fixed to the roof 8 by bolts, so that the top plate of the roof 8 is fixed to the ceiling frame 7 so as not to vibrate.

The outer periphery of the edge 8a of the roof 8 is formed in a curved shape by incorporating a core material 15 such as acrylic or polyurethane foam.
It is formed to fit in the shape of c. FIG.
16A and 16B, reference numeral 16 denotes a door mounting frame that supports the door 17 so that the door 17 can be opened and closed.

Next, the operation will be described.

Fixed member 3 extending upward from axle 2
Is fixed to the fender 4 by a stopper plate 9, the support frame 5 is fixed to the upper end of the fixing member 3, and the support frame 5 is further fixed.
, The fender 4 is not distorted.

Further, since the edge of the glass 11 is screwed to the constricted portion 6a of the column 6 via the cushion rubber 12, the time for attaching the glass 11 can be reduced, and the cost can be reduced. In addition, installation and removal of the glass 11 can be easily performed without skill, and a sealer is not used. Therefore, chemicals such as gasoline and thinner that are conventionally required for wiping the sealer are not required, and the finished product is beautiful.

A ceiling frame 7 is attached to the upper end of the column 6, and the outer periphery 8a of the roof 8 wound with the core material 15 wound around the outer constricted portion 7c of the ceiling frame 7 is fitted. ing. As a result, the outer periphery of the edge 8a of the roof 8 is fitted closely to the outer constricted portion 7c of the ceiling frame 7, so that rainwater does not infiltrate from the joint between the roof 8 and the ceiling frame 7.

In the above embodiment, the sealability is further improved by applying a sealant to the joint between the outer constricted portion 7c of the ceiling frame and the periphery of the roof 8.

In the above embodiment, the core material 15 is insert-molded with acrylic, polyurethane foam, or the like. However, a low-melting alloy that can be heated and melted after molding may be used as the core or the table. good.

[0025]

As is apparent from the above description, according to the present invention, since the outer periphery of the roof is formed so as to fit into the shape of the outer constricted portion of the ceiling frame, the ceiling frame and the roof are in close contact with each other. So that infiltration of rainwater or the like can be eliminated.

Further, the support pillar is fixed to the fender via a stop plate, and is attached to the axle via a fixing member.
In addition, since the support and the glass are fixed to each other with the stopper via the cushioning material, when attaching the glass to the support, a sealer is not required, and the mounting operation can be easily performed, and cost is reduced. Reduction can be achieved.

[Brief description of the drawings]

FIGS. 1A and 1B show a cabin of a working machine according to a first embodiment of the present invention, in which FIG. 1A is a side view, and FIG.

FIG. 2 is a cross-sectional view showing a joint state between the ceiling frame and the roof according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a mounting state of the support and glass in the same.

FIG. 4 is a side view showing a working machine having a general cabin.

FIG. 5 is an exploded perspective view showing a frame portion of a conventional cabin.

FIG. 6 is a cross-sectional view showing a mounting state of a conventional pillar and glass.

7A and 7B show a cabin of a conventional working machine, FIG. 7A is a side view, and FIG. 7B is a rear view showing a main part extracted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cabin 2 Axle 5 Frame (support frame) 6 Frame (post) 7 Frame (ceiling frame) 8 Top plate (roof)

Claims (1)

[Claims] 1. A frame body which is three-dimensionally combined so as to form a space therein, a top plate provided on an upper surface of the frame body, and glass attached to a side surface of the frame body. In the cabin of a working machine, the frame body includes a column, and a ceiling frame fixed to an upper end of the column and disposed so as to surround the space. A cabin of a working machine, wherein the cabin is formed so as to be curved inward so as to fit into a ceiling frame.