JP3307381B2 - Cabin of agricultural traveling body - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power source for a tractor or the like.
It relates to a cabin provided on an agricultural machine . 2. Description of the Related Art Conventionally, a door of a cabin is constituted by an outer frame formed by pressing and bending a sheet metal material, and a wide frame such as a sheet metal obtained by punching a window hole in the outer frame. In some cases, a transparent glass or the like is attached, or in a sheet metal lower frame, an upper outer periphery is formed by an attachment frame such as a square pipe, and the transparent glass is attached in the attachment frame. Such a conventional device has a drawback that when the frame portion and the mounting frame on the outer peripheral portion of the transparent glass are greatly widened, the outside view is obstructed. [0003] In order to solve this problem and enlarge the field of view of the cabin door, there is a case in which the frame and the mounting frame are all removed to form a frameless glass form.
You. The disclosure of the prior art is disclosed in
The thing shown in 1715 gazette is known. The door is made of a transparent body such as tempered glass or a plastic plate, and a hinge and a door lock device are directly attached to a frameless transparent body without providing a door frame. [0004] The above-mentioned improved cabin of the conventional product has a structure in which a hinge and a door lock device are directly attached to a frameless transparent body constituting a door. The supporting load of the frame transparent body concentrates on the hinge mounting part, and the impact when opening and closing the door directly acts on the door lock device mounting part of the frameless transparent body, causing distortion or damage to the frameless transparent body. Has created new drawbacks. [0005] In order to solve the above-mentioned problems of the conventional device, the present invention has taken the following technical means. That is, the door 3A of the cabin 1 is frameless and transparent.
The door is made of glass, and this door 3A is
Power agricultural machine pivotally attached to open and close centering on
, A door lock device is provided at the front center of the door 3A.
A holding frame 17 is provided, and a gap is provided between the holding frame 17 and the lower hinge 14.
Frame 16 along the back and forth direction
The structure of the cabin of the power agricultural machine was characterized by being connected. An embodiment of the present invention will be described below with reference to the drawings. Front wheels 5, 5 and rear wheels 6, 6 at the front and rear of the vehicle body 7, respectively
A hood 8 containing a motor is provided at the front of the vehicle body 7, and left and right rear wheels 6 are provided at the rear of the vehicle body 7.
Fenders 9 and 9 are provided to cover the inside and above the fender 6. Deployed in a substantially horizontal direction on the upper end surface of the fender 9 (hereinafter, referred to as
It is called a reference extension line LL. ) Is provided as a flat portion on which a worker's arms and other objects can be placed in a tractor having no cabin 1. A cockpit 10 is provided on the vehicle body 7 between the left and right fenders 9, 9, and a cockpit 1
0, a floor 11 is provided from the lower side to the rear end of the hood 8. Front columns 2a, 2a are erected on the front left and right sides of the floor 11, and rear columns 2b, 2b are erected on the rear left and right sides of the floor 11, and both of these columns are provided. 2
Connecting frames 12, 12 are provided between the upper end portions of a, 2b, and a roof 13 is placed on these connecting frames 12, 12 to constitute the cabin 1 here. Reference numeral 3A denotes a door formed of a transparent glass plate 3. Above the inside of the door 3A, an upper frame 15, which is a horizontal frame extending in the front-rear direction, is provided.
In the middle of the up-down direction, a lower frame 16 which is a horizontal frame in the front-rear direction along which the base end side protrudes in a direction substantially parallel to a reference extension line LL which is a top plane of the fender 9 is provided, The U-shaped door frame 4, which includes a vertical frame 30 that connects the upper frame 15 and the rear portion of the lower frame 16 to each other, is formed in the transparent glass plate 3.
Mounted on the side. Up and down direction of transparent glass plate 3
The length of the tip is closer to the opening / closing base end side (the pivot side).
It is configured to be about twice as large. As shown in FIGS. 1 and 2, the door frame 4 is provided with a vertical frame 30 extending substantially vertically across the opening and closing base end of the transparent glass plate 3 which is a main member of the door 3A. The frames 15 and 16 are attached to the portion slightly inward from the upper edge of the glass and the middle edge in the vertical direction, respectively, in the front-rear direction, and are provided at two corners at the upper and lower ends of the vertical frame 30 of the door frame 4. A door 3A is pivotally attached to the rear supports 2b, 2b via hinges 14, 14 at the portions thereof. At the open / close front end side of the transparent glass plate 3, a substantially upper half of the transparent glass plate 3 is supported by upper and lower horizontal frames 15 and 16, and a substantially lower half of the transparent glass plate 3 is supported by a lower horizontal frame 16.
It is attached in a state that it protrudes greatly downward.
At the front of the lower frame 16, a door lock device holding frame 17 wider than the vertical width of the lower horizontal frame 16 is provided with a width in the vertical direction, and the knob 32 is rotated to operate the door 3A. It can be opened and closed.
As described above, the transparent glass plate 3 is attached so as to be wider than the outer periphery of the door frame 4 to form the door 3A. In this embodiment, the transparent glass plate 3 of the door 3A is composed of two front and rear plates, and the latter half of the transparent glass plate 18 can be opened and closed by an upper hinge 33. As shown in FIG. 3, a seal member 20 is attached to the outer peripheral edge of the transparent glass plate 3, so that the airtightness in the cabin 1 when the door 3A is closed is maintained. FIG. 3 shows a mounting structure of the door 3A to the door frame 4. A ring-shaped elastic member 22 is fitted in a mounting hole 21 formed in the transparent glass plate 3, which is a main part of the door 3A. A bolt 23 passes through a hole provided in the member 22 and the door frame 4, and a spring for pressing the transparent glass plate 3 in the direction of the door frame 4 between the nut 24 screwed to the bolt 23 and the door frame 4. 25 are provided. In the above configuration, a light impact when the door 3A is opened and closed is absorbed by the seal member 20 of the door 3A. On the other hand, when the door 3A is strongly closed, a strong impact may be applied to the entire transparent glass plate 3,
In such a case, the transparent glass plate 3 separates from the door frame 4 while bending the elastic member 22 and the spring 25, and a part of the transparent glass plate 3,
Since a strong impact load does not concentrate on the mounting portion or the like, the transparent glass plate 3 is not damaged. According to the present invention, the door 3A of the cabin 1 is not used.
The frame is made of transparent glass.
That pivotally open and close about the hinges 14
In a power agricultural machine, a door lock is provided at the center front of the door 3A.
A device holding frame 17 is provided, and between the device holding frame 17 and the lower hinge 14.
The frame inside the glass plate and along the front-back direction
The following effects can be obtained by using the cabin of the power agricultural machine characterized by being connected by 16 . That is, the entire door 3A is a transparent glass without a frame.
Because it is made of
Opening and closing the door becomes easier as much as it gets worse. In addition,
On the lower hinge 14 attached to the front center of the door 3A.
The provided door lock device holding frame 17 is a frame 16
At the time of opening and closing the door 3A.
Because the shots do not directly affect the glass,
No problem of breaking the glass when closing 3A
The durability of the door 3A can be improved . The frame 16 is formed on the surface of the glass plate.
On the side and along the front-rear direction,
A convertible can hold the frame 16 and use the door 3A.
Opening and closing operability is also improved .

[Brief description of the drawings] FIG. 1 is a perspective view of a main part of a tractor. FIG. 2 is a side view of the tractor. FIG. 3 is a sectional view of a main part. [Explanation of symbols] 1 cabin 2a Front support 2b rear support 3 Transparent glass plate 3A door 4 door frame 7 Body 9 Fender 14 Hinge 15 Upper frame 16 Lower frame 17 Door lock device holding frame 30 vertical frames

Claims (1)

(57) [Claims] The door 3A of the cabin 1 is in a frameless transparent glass form.
Then, the door 3A is connected to the two upper and lower hinges 14 and 14 of the column.
In a power agricultural machine pivotally attached to the center so that it can be opened and closed,
A door lock device holding frame 17 is provided at the front center of the door 3A.
Between the lower hinge 14 and the inside of the glass plate surface.
In that it is connected by the frame 16 along the front-rear direction
Powered agricultural machine cabin characterized by: