JPS628228Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a cover device for a seat attachment part in a forward-reverse type vehicle, which improves the appearance and improves the appearance.
The purpose of the present invention is to protect the seat mounting part when the seat is not equipped with a seat. Therefore, the feature of the present invention is that in a forward-travel type vehicle equipped with a seat that can be freely changed in position between a seat attachment part for forward-facing driving and a seat attachment part for rear-facing driving,
A cover that covers a seat attachment part for rear-facing driving is provided with a position that can be changed freely between a prone position where the attachment part is covered and an upright position where the attachment part is opened and a seat can be installed on the attachment part. The present invention is characterized in that the cover is positioned in an upright position behind the backrest of a seat mounted on a rearward driving seat mounting section.

Hereinafter, an embodiment in which the present invention is applied to a four-wheel drive agricultural tractor will be described based on the drawings. In FIGS. 1 to 3, 1 is a tractor body, an engine 2, a clutch housing 3, a transmission case The engine 2 is covered by a bonnet 5. On the rear upper surface of the transmission case 4, a hydraulic device 7 for lifting and lowering the working machine is mounted, which has a pair of left and right lift arms 6.
A working machine 9 such as a rotary tiller, a seeding machine, a forklift, a snow blower, etc. is attached to the tractor via a three-point linkage mechanism 8 so as to be movable up and down. 10 is a front wheel, and 11 is a rear wheel. 12 is a pair of left and right rear wheel fenders, 13 is a cover that connects both rear wheel fenders 12, and a floor seat part 1 that covers the upper part of the hydraulic device 7.
4, a lower part 15 provided below from the front end of the floor seat part 14, and a pair of forward driving steps 16F extending forward from both left and right sides of the lower end of the lower part 15.
and a rising portion 17 rising from the rear end of the floor seat portion 14. Steps 16R for backward driving are provided on both left and right sides of the floor seat portion 14, and the steps 16R are positioned higher than the steps 16F for forward driving. At the locations where the steps 16F and 16R for forward driving and backward driving are provided, clutch pedals 19F and 16R for forward driving and backward driving are provided.
19R and brake pedals 20F and 20R are provided. 21 is a handle, 22 is a handle post that supports the handle 21, and when driving forward, as shown in FIG. 4, the clutch housing 3
It is removably attached to the upper mounting base 23F, and to the mounting base 23R on one side of the hydraulic device 7 during backward operation. 24 is a frame connected to the rear end of the bonnet 5, and as shown in FIGS. 5 to 7,
Gate-shaped, with mounting plates 2 on both sides of the clutch housing 3.
5, and is removably fixed in an upright manner.
The frame body 24 has approximately the same width as the bonnet 5;
4 and the rising part 17 of the cover 13 is the control part 2.
6, a shielding plate 27 is provided inside the frame 24 so as to close the rear end opening of the bonnet 5. This shielding plate 27 has an upper hanging portion 28 on the upper side that is fixedly installed on the rear wall side of the frame body 24 and is hung vertically.
, an inclined part 29 that slopes downward from the lower end of the vertical part 28 to the inside of the frame body 24;
It consists of a lower hanging part 30 on the lower side hanging down from the front end, and an opening 31 is formed between the upper end of the lower hanging part 30 and the lower end of the upper front wall of the frame body 24. Reference numeral 32 denotes an air cleaner, which is arranged inside the bonnet 5 on the upper front side of the frame 24, and is attached to the mounting bracket 3.
3 and a mounting base 34, it is removably fixed to the frame body 24. The mounting base 34 is detachably fixed to the upper front wall of the frame 24 and the lower hanging portion 30 of the shielding plate 27. Reference numeral 35 denotes a box disposed on the rear side of the frame 24, which closes the front side opening of the box body 36 which opens forward and upward with the inclined part 29 and lower hanging part 30 of the shielding plate 27, and also closes the front opening of the box body 36 which opens forward and upward. It is configured by attaching a top plate 37. The box body 36 is the frame body 24
It is fixed to the rear side and supported by the clutch housing 3 via a stay 38. The bottom plate of the box 35 is fixed to the lower hanging part 30 of the shielding plate 27, and a battery 39 is placed on the bottom plate, and the front part of the battery 39 is connected to a stopper fixed to the bottom plate in a horizontal manner. It is touching 40. A pair of left and right latching pieces 41 fixed to the bottom plate of the box body 36 and a backing plate 42 in contact with the rear shoulder of the battery 39 are connected to each other via a J-shaped bolt 43 and a nut 44 for the left and right pair. By signing this agreement,
A battery 39 is detachably provided within the box 35. The top plate 37 is detachably attached to the upper outer peripheral edge of the box body 36 and the upper hanging portion 28 of the shielding plate 27, and has an opening 45 formed in its front side for inspection and maintenance of the battery 39. ing. A reinforcing member 46 in the shape of a groove with a lip is horizontally fixed on the lower surface of the top plate 37 on the rear side of the opening 45. A recess 47 for the handle post 22 is formed in the widthwise central portion of the rear side of the box body 36. Further, the space between the left side of the box 35 and the left fender 12 is used as an entrance/exit, while a switch box 48 including various switches is fixedly installed on the right side of the rear side of the box main body 36.
Switchbox 48 right side and right fender 12
An operation panel 49 including various speed change levers and meters is arranged between them.

Incidentally, a forward driving seat attachment part 50F is provided between the left and right rearward driving steps 16R in the floor seat part 14 of the cover 13, and a rear widthwise center part of the top plate 37 of the box 35 is provided with a forward driving seat attachment part 50F. A seat attachment part 50R for rearward driving is provided, and a seat 52 is removably installed on each of these seat attachment parts 50F and 50R via an attachment fixing member 51 so that the position can be changed.

In addition, both seat attachment parts 50F and 50R have the same structure except that the directions in the front and rear directions are reversed.
The rearward driving seat mounting portion 50R will be explained below.

As shown in FIGS. 8 and 9, Box 3
The center portion in the width direction of the rear side portion of the opening 45 in the top plate 37 of No. 5 is a protruding portion 53 that protrudes upward, and the protruding portion 53 is provided with a lipped groove shape that opens front to back and upward. A rail 54 is fixedly installed to constitute a rearward driving seat attachment part 50R.

The seat 52 has a seating portion 55 and a backrest portion 56,
A pair of left and right support pieces 5 are inserted from the lower front surface of the seating portion 55.
7 is provided below, and the support piece 57 is provided with an attachment fixing body 51.

The mounting and fixed body 51 has a support shaft 59 into which both support pieces 57 are inserted and supported, and a cylinder 60 is fitted onto the support shaft 59 so as to be relatively rotatable. Reference numeral 51 denotes a slider having one end fixedly attached to the cylindrical body 60, which is removably fitted into the rail 54 from the rear side, and has a groove shape with a lip that opens front and rear and downward. On the other end side of the slider 61, a widthwise central portion of a support plate 62 is fixed between the upper openings of the rails 54. A pair of left and right ring-shaped cushioning materials 63 made of rubber or the like are baked and fixed to the left and right upper surfaces of the support plate 62, and the rear side of the seating portion 55 of the seat 52 is placed on the cushioning materials 63. Therefore, the seat 52 can be changed to an inverted position in which the front end of the seating portion 55 is in contact with one end of the slider 61 by rotating around the axis of the support shaft 59. A bracket 64 is fixedly provided on the upper surface of the middle part of the slider 61 in the longitudinal direction so as to protrude from one side, and the outer edge of the bracket 64 is bent downward. Further, a portion of the bracket 64 on the side of the slider 61 is cut and raised downward to form a cut and raised portion 65 . Reference numeral 66 denotes a fixing device, which is composed of a long rod portion 67, a short rod portion 68 arranged in parallel with this in the front-rear direction, and a connecting rod portion 69 that connects the outer ends of these rod portions 67, 68. The rod portion 66 is inserted into the outer edge of the bracket 64 and the cut-and-raised portion 65, and the short rod portion 68 is inserted into the outer edge, so that the fixture 66 is provided on the bracket 64 so as to be movable laterally. ing. Correspondingly, a plurality of adjustment holes 70 are provided in the front-rear direction in the side wall of the rail 54 on the fixture 66 side, and insertion holes 71 are formed in the side wall of the slider 61 on the fixture 66 side. The long rod portion 67 of the fixture 66 is removably inserted into one of the adjustment holes 70 and the insertion hole 71, so that the seat 52 is installed in the seat attachment portion 50R so as to be movable and adjustable in the front-rear direction. Ru. A ring-shaped receiving piece 72 is fitted and fixed onto the long rod portion 67 of the fixture 66, and a coil spring 73 is elastically disposed between the outer edge of the bracket 64 and the cut-and-raised portion 65 in the long rod portion 67. The fixing member 66 is wrapped around the fixing member 66 to prevent it from naturally coming off from the adjustment hole 70 and the insertion hole 71.

Reference numeral 74 denotes a hollow cover that covers the seat attachment part 50R, and the cover 74 is connected to the shielding plate 27 via a pair of left and right link mechanisms 75 to allow the prone position shown by the imaginary line in FIG. 4 and the slightly forward leaning position shown by the solid line in the figure. In the prone position, the cover 74 is placed on the top plate 37 of the box 35 to cover the seat attachment part 50R, and in the upright position, the cover 74 is placed on the top plate 37 of the box 35 and covers the seat attachment part 50R. The seat 52 can be mounted on the seat mounting section 50R by opening the section 50R, and the backrest section 56 of the seat 52 mounted on the seat mounting section 50R is installed.
Cover your back. The surface of the cover 74 placed on the top plate 37 and the side surface on the side of the frame 24 are open. The link mechanism 75 has first and second links 76, 7
As shown in FIG.
It is pivoted by 9. In addition, the upper rear wall portion and the ceiling wall portion of the frame body 24, and the upper hanging portion 2 of the shielding plate 27.
8 is formed with a pair of left and right entry ports 80, through which the links 76 and 77 enter the inside of the frame 24. 81 is a pair of left and right brackets,
As shown in FIG. 11, the shield plate 27 is fixed to the left and right inner surfaces of the upper hanging portion 28, and protrudes forward inside the frame 24. The front end of the bracket 81 has a U-shape in plan view, and a first link 76 is supported on the outer wall of the front end, and a second link 77 is supported on the inner wall of the front end by pins 82. There is. 83 is a disc spring for eliminating rattling of each link 76, 77. Reference numeral 84 denotes a coil spring for unstablely switching the cover 74 to each posture, and there is a pair of left and right coil springs, or one on either side of the left or right side, and the coil spring 84 is provided between one end of the second link 77 and the inclined portion 2 of the shielding plate 27.
It is interposed in a spring-like manner between locking pieces 85 fixedly attached to 9. Note that in the upright position, the cover 74 is in the second position.
One end of the link 77 is held in this position by being pressed against the mounting base 34 of the air cleaner 32 or the front wall side of the frame body 24 by the spring 84. 86 is a tool box constructed on the inner surface side of the cover 74.

According to the embodiment configured as described above, during forward driving, the handle post 22 is attached to the mounting base 23F on the clutch housing 3, as shown by the imaginary lines in FIGS. 1, 2, and 4. Along with equipping
A seat 52 is installed in a seat attachment part 50F for forward-facing driving. In addition, the cover 74 covers the rearward driving seat attachment portion 50R in a prone position, thereby protecting the seat attachment portion 50R and
The appearance of the vicinity of the seat attachment portion 50R is also improved.

Further, during backward operation, the handle post 22 is mounted on the mounting base 23R on one side of the hydraulic device 7, as shown by solid lines in FIGS. 1 and 2. Furthermore,
As shown by the solid line in FIG. 4, the cover 74 is placed in an upright position, the seat attachment portion 50R for rear-facing driving is opened, and the seat 52 is installed on the seat attachment portion 50R. Since the back of the backrest 56 of the seat 52 is covered with the cover 74, the appearance of the back of the backrest 56 is good.

In the embodiment, the cover that covers the seat attachment portion is provided on the vehicle body using a link mechanism, but the cover may be provided on the vehicle body using other connecting means such as a hinge or bolt.

Furthermore, although the present invention is applied to a seat attachment part for rear-facing driving in the embodiment, the present invention can also be applied to a seat attachment part for forward-facing driving.

As detailed above, according to the present invention, when a seat is not installed at the seat attachment part, by covering the seat attachment part with a cover, the seat attachment part can be protected, and the area near the seat attachment part can be protected. The appearance can also be improved. In addition, when installing a seat on the seat attachment part, by placing the cover in an upright position and opening the seat attachment part, the seat can be easily attached to the seat attachment part. Since the back of the backrest is covered, the appearance of the rear side of the backrest of the seat is also good. The present invention has the various advantages mentioned above and is of great practical benefit.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view, FIG. 2 is a plan view of the same, and FIG.
- A sectional view taken along the line A; Figure 4 is a vertical sectional view of the main parts;
Figure 5 is a front view of the frame and box, etc. Figure 6 is a rear view of the same, Figure 7 is a plan view of the same, Figure 8 is a rear view of the seat, Figure 9 is the line B-B of Figure 8. 10 is a sectional view taken along arrow C in FIG. 4, and FIG. 11 is a sectional view taken along line DD in FIG. 4. 1... Tractor body, 24... Frame body, 27...
Shielding plate, 35... Box, 50F, 50R...
Seat attachment part for forward-facing driving/backward-facing driving, 51... Mounting fixing body, 52... Seat, 55... Seating part, 56
... Backrest portion, 74 ... Cover, 75 ... Link mechanism, 84 ... Spring.

Claims (1)

[Scope of utility model registration request] In a forward-reverse type vehicle equipped with a seat that can be freely repositioned between a seat attachment part for forward-facing driving and a seat attachment part for rear-facing driving, a cover that covers the seat attachment part for rearward-facing driving is provided to cover the attachment part. A seat that can be freely changed between a prone position and an upright position in which the mounting part is opened and a seat can be mounted on the mounting part, and the seat is installed in the seat mounting part for rear-facing driving when the cover is in the upright position. 1. A cover device for a seat attachment part in a forward-reverse type vehicle, characterized in that the cover device is located behind a backrest of the vehicle.