JP2830238B2 - Mower storage device in mower - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mowing grass storage device in a mowing machine such as a garden tractor, a lawn tractor, and a ride mower.

[Prior Art] Conventionally, this type of cut grass storage device includes a grass container for containing grass and a box-shaped upper cover that covers an upper portion of the grass container, and is cut by a grass clip device provided on a traveling vehicle body. The collected grass and weeds are collected in the herbage container via a cylindrical shooter. In particular, the applicant of the present invention has proposed such a cut grass storage device as a plate supporting a tubular shooter rear end, a lower harvesting container detachable from the plate at the rear of the plate, and an upper covering upper portion thereof. A grass storage device having a cover is proposed.

The applicant has proposed that both the upper cover and the lower grass container rotate around the same horizontal axis, and that the lower grass container can be removed by itself and the cut grass can be discarded. Can be removed from the horizontal axis without rotating the lower grass container around the horizontal axis, and the cut grass can be discarded from the front opening of the lower grass container that is in contact with the back of the plate. It is.

[Problem to be Solved by the Invention] By the way, the above-described conventional device has a configuration in which the frame of the lower grass container is simply pressed against the plate body.
If the body shakes during the operation, there is a problem that a gap is formed between the lower grass container and the plate body, and the cut grass leaks from the gap.

[Means for Solving the Problems] The present invention has been proposed in view of the above problems, and has the following technical means. That is, in the mowing machine configured to collect the cut grass cut by the mowing device 8 provided on the traveling vehicle body 1 to the cut grass storage device 13 via the cylindrical transport means 12,
13 Open the front part, and attach the outer periphery of this open part to frame 2.
The lower frame 30 is pivoted about a pivot pin 23 to open and close the lower frame 30, and a plate 16 is provided on the rear surface of the vehicle body 1. A projecting portion B protruding rearward from the rear side of the frame 16 is provided substantially along the open edge of the grass storage device 13, and at least a lower frame of the frames 24, 30 The mowing grass storage device 13 is moved so that the outer periphery c of the 30
And a mowing machine accommodation device in the mowing machine.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

First, the structure will be described. Reference numeral 1 denotes a lawn tractor, and a frame 2 of the lawn tractor 1 is provided with a connecting hitch 3 on a rear side, and a lower hitch between front wheels 4, 4 and rear wheels 5, 5. A mowing device 8 is connected to the abdomen via lifting links 6, 6, 7, 7 so as to be able to ascend and descend, and rotational power reduced through a transmission (not shown) in the transmission case 9 is transmitted to a belt. It is configured to be transmitted to the cutting blade drive mechanism 11 of the mowing device 8 via the transmission mechanism 10. A cylindrical body 12 as a transfer means for discharging grass is connected to a right discharge port (not shown) of the mower deck 8a of the mowing device 8, and a rear cutting end of the cylindrical body 12 is cut by a rotary cutting blade in the mower deck 8a. The cut grass is mounted so as to be collected in the cut grass storage device 13 connected to the connecting hitch 3. The cut grass accommodating device 13 is detachably connected to the connection hitch 3 via a mounting portion 13a, and the mounting portion 13a is provided at a lower end of a substantially central portion of a shielding plate 16 provided in front of the grass mowing device 13. The shielding plate 16 is fixed in the vicinity, and is formed by fixing a rectangular frame 15 formed by bending a pipe material on the peripheral surface of a rectangular iron plate 14. On the upper part of the iron plate 14, there is provided a dusting part 18 to which a rectangular iron plate or a wire mesh 17 is fixed on the left side, and the front of the dusting part 18 is viewed from the upper side to the lower side when viewed from the side. It is configured so as to be covered with a dust cover 19 that protrudes in a slanting manner, and that the dust sent together with the cut grass into the cut grass storage device 13 is discharged downward from here. Further, a rib portion B, which is a single mountain-shaped convex portion protruding rearward, is provided on the outer peripheral portion of the rear surface of the iron plate 14, as shown in FIG.

Reference numeral 21 denotes a cylindrical body mounting portion fixed to the iron plate 14 and supports a rear end of the cylindrical body 12. In addition, the left, right, and center of the back of the iron plate 14
In three places, three support arms 22, 22,... Are fixedly provided rearward. To the support arms 22, 22 ..., horizontally horizontal pivot pins 23, 23 ... are fixed, and the pivot pins 23, 23 ...
, Upper gate type frame constructed by bending pipe material
24, each end of the middle gate type frame 25 and the lower gate type frame 26 are pivotally connected.

Each of the portal frames 24, 25, and 26 is fixed to an upper end, an intermediate portion, and a lower end of a cover body 27 having a front surface and a lower surface opened with a cloth, a vinyl sheet, or a bellows. Here, the upper cover A is configured. Thus, the upper gate-shaped frame 24 is a shielding plate of the cover body 27.
It is fixed to the end on the 16 side (front surface) and can freely contact the back surface of the shielding plate 16, and also opens the shielding plate 16 side of the cover body 27. Further, the lower gate frame 26 is a cover body.
The cover 27 is fixed to the open edge of the lower surface of the lower surface of the cover 27 to keep the lower surface of the cover 27 open. An intermediate portal frame 25 is provided at a substantially intermediate portion between the upper portal frame 24 and the lower portal frame 26, and is fixed to the cover body 27 so that the cover body 27 can maintain a substantially square shape in a side view. Have been. Each of these portal frames 24, 25, 26 is rotated about 90 degrees behind the shielding plate 16 about the pivot pins 23, 23 to open and close the cover body 27 back and forth, and closes. It is configured to be able to. When the upper gate-shaped frame 24 is rotated to the front side, the horizontal rod portion 24a is configured so as to be in contact with the upper part of the mountain-shaped rib portion B. Also, as shown in FIGS. 1 and 3, springs 28, 28 are interposed on the side surface of the upper gate type frame 24, the side surface of the lower gate type frame 26, and the side surface of the rectangular frame 15 of the shielding plate 16, The springs 28, 28 rotate and fix the upper gate frame 24 and the lower gate frame 26 to the shielding plate 16 side and the rear horizontal position side, respectively, by a fulcrum operation using the pivot pin 23 as a fulcrum. It is configured to be able to. Numeral 29 denotes a lower grass container for storing cut grass, and the lower grass container 29 is formed in a substantially rectangular shape in a side view with an open top and front surface. In addition, the other three surfaces except the bottom plate are formed of a breathable mesh. A frame 30 formed by bending a pipe material is fixed to the open edge, and when the open portion on the front surface abuts against the back surface of the shielding plate 16, the frame 30 is an upper front portion of the frame 30. The hooks 31, 31 are protrudingly provided at positions where the pivot pins 23, 23 can be loosely fitted, and the pivot pins 23, 23 are inserted / removed from the front of the hooks 31, 31 from below. Notches 31a, 31a are provided to enable the above.

Further, the notches 31a, 31a provided in the hooks 31, 31 are formed in a hook shape with an open bottom, so that the pivot pin 2
When the lower weeding container 29 is rotated around the pivot pins 23 and 23 when the loose fit of the lower weeding container 29 is performed,
Combined with its own weight of 29, this pivot point will not come off.
When the lower container 29 is mounted, the lower container 29 is formed by winding the mesh portion of the lower container 29.
The outer periphery c of the frame 30 at the front opening portion of the 29 is configured to overlap and contact the inner periphery b of the rib B of the plate 16 serving as the shielding plate.

When the upper cover A is closed, the rear rod 30a and the outer rod 30b of the frame 30 are inside the lower gate-shaped frame 26 of the upper cover A as shown in FIG. The lower gate-shaped frame 26 is configured so that there is no gap between them. In this embodiment, two sets of left and right lower weeding containers 29, 29 are disposed at the rear of the shield plate 16, and these are supported arms 2 projecting from the back of the shield plate 16.
It is removably pivotally supported by pivot pins 23, 23 fixed to 2, 22. 32, 32 are the frames that constitute the lower grass container 29, 29
U-shaped engagement portions fixed to the rear centers of the rear ends of a handle 33 pivotally supported by the lower gate-shaped frame 26 of the upper cover A. Folded part 33
a and 33a are configured to be inserted and engaged from above. Reference numeral 34 denotes a rotation fulcrum pin of the handle 33. Handle 33
Is trapezoidal when viewed from the back, and its upper end is the driver's seat 35
Is extended forward so that the operator can reach his hand in a seated state. Reference numerals 36, 36 denote plates that rotatably support the handle 33, and are fixed to the lower portal frame 26. When turning the grass in the lower grass container 29, 29 to release the grass, the operator uses the handle.
By gripping 33, the bent portions 33a, 33a of the lower end of the handle 33 are brought into contact with the engaging portions 32, 32 of the lower weeding containers 29, 29, and then turned forward. The opening on the front face of 29, 29 turns downward. Therefore, the cut grass in the lower harvest container 29, 29 can be easily, quickly and reliably discharged. Once the discharge is completed, if the handle 33 is rotated to the original position, the lower grass container 29, 29
A state in which the outer periphery c of the lower frame 30 which is the opening portion of the front surface facing downward with respect to 3, 23 is in contact with the outer periphery b of the convex portion B provided on the back surface of the plate body 16 which is the shielding plate. It will be possible to recover the next cut grass.

In the figure, reference numeral 40 denotes a gripping piece, which is provided at the lateral center of the upper gate-shaped frame 24 of the upper cover A, and grips the gripping piece 40 to rotate the upper cover A back and forth. It is. Thus, the upper cover A is opened while rotating in the front-rear direction in accordance with the rotation of the upper portal frame 24 and the lower portal frame 26, or the upper portal frame 24 is moved toward the shielding plate 16 side. When rotated, the lower gate-shaped frame 26 rotates in the horizontal direction, and its position is fixed by the action of moving over the fulcrum of the springs 28, 29, thereby closing the upper surfaces of the lower weeding containers 29, 29.

Of course, even when the upper cover A is opened, the upper gate frame 24 and the lower gate frame
By the operation of moving over the fulcrum 28, it is fixed on the shielding plate 16 side or in the horizontal direction in a state of being overlapped with the middle gate type frame 25, and the open state thereof can be maintained. Fig. 3 (a) shows the lower gate frame 26
FIG. 4B shows the position when the upper cover A is opened by pivoting upward around the pivot pin 23, and FIG. The position when the upper cover A is opened is shown.

According to the apparatus described in this embodiment, during operation, the front opening of the upper portal frame 24 of the upper cover A is in contact with the vicinity of the convex portion B of the plate 16 which is a shielding plate, and the lower grass container 29, Two
Since the outer periphery c of the frame 30 at the front opening of 9 is always in contact with the inner periphery b of the convex portion B, the stored grass moves with the shaking of the aircraft during work, and the grass storage with the front opened. The outer periphery c of the frame 30 on the lower side of the device 13 and the projection B of the plate 16
Even if the mowing grass is leaking by its own weight by pushing the gap between the contact surfaces with the inner periphery b, the inner periphery of the overlapping convex portion B protruding rearward located on the outer periphery c of the lower frame 30. Since b holds the leading end of the cut grass to be leaked, the cut grass is clogged in this portion, and blowing out of the cut grass to the outside and leakage can be restricted. When the triangular plate 50 is fixed to the center of the lower portal frame 26 as shown in FIG. 6, the gap between the adjacent portions of the left and right frames 30, 30 and the lower portal frame 26 can be reduced. Thus, it is possible to prevent blown grass spouted from the cylindrical body 12. In FIG. 6, the illustration of the engaging portion 32 and the handle 33 is omitted.

FIG. 9 shows another embodiment of the handle portion of the upper cover A, in which 52 is a handle made of an elastic material, 53 is a pivot pin of the handle 52, and 54 is a plate. The horizontal pins 55, 55 fixed to 36 are bent portions that engage with the engaging portions 32, 32 of the lower weeding container 29, 29.

In the case of this embodiment, when the handle 52 is positioned in front of the pin 54 by grasping the operation portion 52a, the engagement between the bent portions 55, 55 and the engagement portions 32, 32 of the lower weeding containers 29, 29 is performed. It is released, and only the upper cover A can be rotated. On the other hand, grasping the operation part 52a and moving it to the left, and positioning the handle 52 behind the pin 54, the left and right bent parts 55, 55 will move rearward, and the lower weed container 29, When the handle 52 can be moved upward in this state,
The upper cover A and the lower grass container 29, 29 rotate integrally,
The cut grass in the harvest containers 29, 29 is discharged.

[Effects of the Invention] The present invention has the following technical effects because it is configured as described above. That is, the front part of the grass storage device 13 is opened, and the outer periphery of the open part is framed by the frames 24, 30. The lower end of the lower frame 30 swings around the pivot pin 23. The vehicle body 1 is opened, and a plate 16 is provided on the back of the vehicle body 1. A convex portion B is provided on the plate 16 so as to protrude rearward. Since at least the outer periphery c of the lower frame 30 of 24, 30 is overlapped and in contact with each other, the outside of the lower frame 30 of the grass storage device 13 whose front is opened due to the swing of the airframe during work. Even if a gap is formed between the contact surfaces of the periphery c and the inner periphery b of the convex portion B of the plate body 16 so that the cutting grass may leak therefrom, the rearward portion protrudes rearward located on the outer periphery c of the lower frame 30. Of the cut grass that leaks due to the inner circumference b of the convex portion B Grass clippings is clogged, it is possible to restrict the balloon and leakage dropping to the outside of the grass clippings.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an overall side view, FIG. 2 is a side view of a main part partially cut away, FIG. 3 is an operation explanatory view, and FIG. FIG. 5, FIG. 5 is a perspective view of the cut grass storage device, FIG. 6 is a perspective view showing only the framework of FIG. 5,
FIG. 7 is a sectional view taken along line S ₁ -S _{1 of} FIG. 6, and FIG. 8 is a sectional view taken along line S _{2 of} FIG.
-S ₂ cross-sectional view taken along a line, FIG. 9 is a perspective view of an improved device of the handle portion. DESCRIPTION OF SYMBOLS 1... Running car body (lawn tractor) 8... Mowing device 12... Transporting means (tubular body) 13... Mowing grass storage device 16... Plate body (shielding plate) 29. … Frame A …… Top cover

Claims (1)

(57) [Claims] 1. A mowing machine configured to recover cut grass cut by a mowing device 8 provided on a traveling vehicle body 1 to a cut grass storage device 13 via a cylindrical transport means 12, The front portion of the device 13 is opened, and the outer peripheral portion of the open portion is framed by frames 24 and 30, and the lower end of the lower frame 30 swings around the pivot pin 23 and is opened and closed, On the other hand, a plate 16 is provided on the back of the vehicle body 1,
The plate body 16 is provided with a convex portion B projecting rearward and substantially along the open edge of the cut grass accommodating device 13, and at least the lower portion of the frames 24, 30 A mowing grass accommodating device in a mowing machine, wherein the mowing grass accommodating device 13 is provided on the traveling vehicle body 1 such that the outer periphery c of the side frame 30 overlaps and touches.