JPH04644Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a grass collector that collects grass clipped by a mower into a grass collection box attached to a traveling vehicle body.

<Prior art> A mower is attached to the lower abdomen of a traveling vehicle body such as a small tractor, and a grass collection section is attached to the rear of the vehicle body, and grass clippings cut by the mower are sent to the grass collection section via a conveyance duct. Already provided.

This type of device has a grass collection bag that is detachably attached to a support frame fixed to the vehicle body as a grass collection unit, a grass collection container that is detachably attached to the vehicle body, or a grass collection box that is fixed to the vehicle body. There are some that have an opening/closing bottom.

<Problems to be solved by the invention> In the conventional grass collection bag and grass collection container,
When discharging grass clippings, it is necessary to remove them from the car body and turn them over, which is extremely complicated and inefficient.In contrast, with the grass collection box type, all you have to do is release the lid at the bottom. The grass can be removed easily and easily. However, with this grass collection box type, in order to discharge the grass downward from the bottom, the discharge port must be placed at a relatively high position, and in addition, the grass collection box must be used for post-work such as moving the grass clippings to another location. However, there are problems such as hindrance.

<Means for Solving the Problems> In view of the problems of the prior art, the present invention has been developed by making the bottom of the grass collecting box into a substantially inverted triangle, and also by making the bottom into a substantially inverted triangle when viewed from the side. The rear inclined surface of the bottom and the lower part of the substantially vertical rear wall form a lid that is approximately doglegged in side view, and by opening the lid centering on the upper end, grass clippings can be guided by the bottom and other inclined surfaces. To provide a grass collector capable of discharging grass to the outside and downward of a grass collecting box.

A feature of the present invention for achieving this purpose is that a grass collection box 11 for storing the grass cut by the mower 7 is attached to the traveling vehicle body 1.
In the grass collector, the bottom part 16 is formed into a substantially inverted triangle shape when viewed from the side, and a lid 18 is provided at the rear to open and close the grass discharge port 20 by swinging through an opening/closing operation mechanism 23, the lid 18 is closed when closed. Substantially vertical rear wall lower part 18
a and a rear inclined surface 17b that slopes forward and downward, forming a substantially doglegged shape in side view.
The upper part of the grass collection box 11 is pivoted at the midway point in the vertical direction on the back side of the grass collection box 11, and the lower end of the rear inclined surface 17b is connected to the rear wall lower part 18.
It is located at the top of the inverted triangular bottom 16, which is located in front of point a.

<Example> Hereinafter, an example of the present invention will be described based on the drawings.

In the first embodiment shown in FIGS. 1 to 3, reference numeral 1 denotes a traveling vehicle body of a small tractor, which has a front wheel 2 and a rear wheel 3, and a rear wheel fender 4 is provided corresponding to the rear wheel 3. 5 is a steering wheel, and 6 is a driver's seat. 7 is a mower, which has three sets of reaping parts 9 rotatably arranged below a mower deck 8;
The structure is such that the cut grass is discharged to a discharge port 8a on one side of the mower deck 8 by the action of a wind blower plate formed on the blade of the grass clipping section 9. The mower deck 8 is connected to the lower abdomen of the vehicle body 1 by a connection mechanism (not shown) so as to follow the ground.

Reference numeral 11 denotes a grass collection box of a grass collector 12, which is attached to a support stand 13 bolted to the back of the vehicle body 1.
This grass collection box 11 has a frame 14 formed into a box shape made of pipes or rods, and a surrounding wall 15 formed by fixing a net or a perforated plate material, so that part or all of the box can be ventilated. The front wall portion 15F forming the peripheral wall 15 has a substantially vertical shape, and the rear wall upper portion 15R has a substantially vertical shape and opposes the front wall portion 15F from the middle to the top, and has approximately half the length.

The bottom part 16 of this grass collection box 11 is formed into a substantially inverted triangle shape when viewed from the side, and has two inclined surfaces 17 inclined downward in the center.
The front inclined surface 17a is integral with the front wall 15F, and extends from the lower end of the front wall 15F to the grass collecting box 11.
is inclined rearward and downward to approximately the center in the front-rear direction, and is fixed or detachably fixed to the support base 13,
The lower end of the rear inclined surface 17b is located at the top of the inverted triangular bottom portion 16, and is formed in the lower half of the lid 18.

The lid 18 has a substantially dogleg-shaped cross section, and the rear inclined surface 17b is inclined rearward and upward from approximately the center in the front and back direction of the grass collection box 11, and after that, a substantially vertical rear wall lower part 18a is integrally formed from the upper end. This rear inclined surface 17
b and the rear wall lower part 18a form a dogleg-shaped lid 18 when viewed from the side.

The lower part 18a of the rear wall is connected to the upper part 15 of the rear wall when the lid 18 is closed.
This is a rear wall that is flush with R and faces the entire surface of the front wall portion 15F, and its upper end is pivotally supported by the vertical support of the frame frame 14 via the horizontal shaft 19.
The lower end is freely rotatable rearward about the horizontal axis 19, and the rear lower part of the grass collecting box 11 where the lid 18 is provided serves as a grass outlet 20, and by rotating the lid 18, The grass discharge port 20 is opened and closed to enable discharge of cut grass. The horizontal axis 19 is located sufficiently above the bending position of the lid 18, that is, the upper edge of the rear inclined surface 17b, to make the trajectory of the lower end of the lid 18 higher when it is opened and closed, and to make the discharge port 20 larger. are doing.

Although this lid 18 is formed of a net, it may also be a flat plate, and a flat plate allows the grass clippings to be discharged more smoothly.
Reference numeral 21 denotes a discharge guide plate attached to the front inclined surface 17a and the inner surface of the upper side thereof, which makes the grass clippings fall smoothly and guides the discharge toward the rear.

Reference numeral 23 designates an operating mechanism for opening and closing the lid 18 near the seat 6. A pivot 25 is provided on a bracket 24 that projects forward from the frame 14 to the side of the fender 4, and an operating lever 2 is attached to the pivot 25.
6 and an arm 27, or an L-shaped member made by integrating these, and the rear end of the arm 27 and a bracket 28 fixed to the lid 18 are connected by a link 29. By rotating the upper end of the lever 26 in the direction of arrow A, the lid 18 can be rotated in the direction of arrow B and the discharge port 20 can be opened.

31 is a blower that constitutes the feeding device 32;
It is driven by a prime mover 33 such as an engine or an electric motor, and the suction side is connected to the discharge port 8a of the mower 7 via a bellows hose 34, and the discharge side is connected to the upper part of the grass collection box 11 via a hose 35. The grass clippings discharged from the discharge port 8a are conveyed to the grass collecting box 11 by being carried by the blast air.

Although the feeding device 32 is attached to the grass collecting box 11, it can also be attached to a support stand taken out from the vehicle body 1 or on the fender 4.

In the second embodiment shown in FIG.
is substantially the same as the first embodiment, but a plurality of mounting pins 37 and a mounting base 38 for the feeding device 32 are provided on the front surface, and the mounting pins 37 are attached to a support plate 39 fixed to the rear surface of the vehicle body 1. The grass collecting box 11 is inserted into a holding cylinder 40 with a rear end provided and secured with a pin, thereby easily attaching and detaching the grass collecting box 11 to the vehicle body 1.

The operating mechanism 23' uses a Bowden wire 41, and the outer wire 42 has a rear end fixed to the frame frame 14 via a bracket 43, a front end fixed to the fender 4 via a bracket 44, and an inner wire 45. The rear end is connected to a lever 46 provided on the horizontal shaft 19, and the front end is connected to the middle of the operating lever 26, which is pivotally supported by the bracket 44. By rotating the operating lever 26 in the direction of arrow C, , the lid 18 can be opened in the direction of arrow B.

In this second embodiment, since the lever 46 is provided on the horizontal shaft 19, the operator can open and close the lid 18 by using the lever 46 as the operating lever without providing the Bowden wire 41 and the operating lever 26. You can also do it. In that case, the lever 4 is used to fix the lid 18 in the open position and the closed position.
6 is preferably configured to be fixed in position with respect to the frame 14 with a fastener such as a pin.

Further, in the first and second embodiments, a coil spring may be provided on the horizontal shaft 19 to always press the lid 18 in the closing direction.Furthermore, if such a coil spring is provided, the operating mechanism It is possible to configure the lid 18 to be opened only by the handle without providing the lid 23 at all.

<Effects of the invention> According to the present invention described in detail above, when the lid 18 is closed, the lid 18 has a substantially vertical rear wall lower portion 18a and a rear inclined surface 17b that is tilted forward and downward, so that the lid 18 has a substantially doglegged shape when viewed from the side. The upper part of the lower part of the rear wall 18a is pivoted at the midway point in the vertical direction on the back side of the grass collection box 11, and the upper part of the lower part of the rear wall 18a
Since the lower end of 7b is located forward of the rear wall lower part 18a and at the top of the inverted triangular bottom part 16, the lid 1
8 is of a size that forms only a part of the back surface of the grass collection box 11, so it can be formed into a lightweight and small item, and when the opening operation is performed, it swings so that its center of gravity is below the pivot point. The weight of the stored grass clippings is added in the direction of opening the lid 18, so even if a large amount of grass clippings is collected, the lid 18 can be opened lightly and smoothly, and when closed, the weight of the grass clippings is not applied and the lid is closed. 18 is not so large as to reach the top of the grass collection box 11, so the closing operation can be made easily.Moreover, since the rear inclined surface 17b and the upper side of the inverted triangular bottom part 16 are opened, the stored grass clippings can be reliably and Can be released smoothly.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a partially sectional side view, FIG. 2 is a partially sectional plan view, and FIG. 3 is a perspective view of the grass collecting box. Figure 4 is the second
FIG. 2 is a partially cross-sectional side view showing an example. 1... Traveling vehicle body, 7... Mower, 11... Grass collecting box, 12... Grass collector, 14... Frame, 16
... Bottom, 17 ... Inclined surface, 18 ... Lid, 19 ...
...Horizontal axis, 32...Feeding device.

Claims (1)

[Scope of claim for utility model registration] Grass collection box 11 for storing the grass cut by the mower 7
is attached to the traveling vehicle body 1, and the bottom part 1 of this grass collection box 11 is
6 is formed into a substantially inverted triangular shape when viewed from the side, and the grass outlet 2 is opened by swinging through an opening/closing operation mechanism 23 at the rear.
In a grass collector equipped with a lid 18 that opens and closes 0, the lid 18 has a substantially vertical rear wall lower part 18 when closed.
a and a rear inclined surface 17b that slopes forward and downward, forming a substantially doglegged shape in side view.
The upper part of the grass collection box 11 is pivoted at the midway point in the vertical direction on the back side of the grass collection box 11, and the lower end of the rear inclined surface 17b is connected to the rear wall lower part 18.
A grass collector characterized by being located in front of point a and at the top of an inverted triangular bottom part 16.