JPH0354526B2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a grass collector.

[Conventional technology]

Some grass collectors have a mower attached to the running vehicle body, and a grass collection box that is lifted off the ground and removably attached to the rear of the vehicle body, into which the grass cut by the mower is fed by a feeding device. .

Incidentally, in the past, although the grass collection box was mounted on the vehicle body while floating on the ground, no means was provided for easily mounting the grass collection box on the vehicle body.

[Problem that the invention seeks to solve]

For this reason, in the past, there was a problem in that the grass collecting box could not be easily attached to the vehicle body.

SUMMARY OF THE INVENTION An object of the present invention is to provide a grass collector whose grass collection box can be easily attached to a vehicle body.

[Means for solving problems]

In order to achieve the above object, the present invention is characterized in that a grass collection box 1 is installed at the rear of the traveling vehicle body 1 on which the mower 7 is installed, and stores the grass clippings cut by the mower 7.
5 is mounted in a state where it is lifted off the ground, a mounting base 20 fixed to the rear of the traveling vehicle body 1 is installed.
A shaft-like engagement receiving part 24 and a connecting part 25 are formed in the mounting body 17 fixed to the front lower part of the grass collection box 15. The engaging portion 26 and a connected portion 27 that is connected to the connecting portion 25 via the connecting tool 28 when the grass collecting box 15 is placed in the mounting position with respect to the traveling vehicle body 1 are formed, and the lower part of the grass collecting box 15 detaches the connector 28 and removes the grass collection box 1.
5, the distance from the engaging part 26 to the lower part of the grass collection box 15 is set longer than the distance from the ground to the engaging receiving part 24, and the distance from the engaging part 26 to the lower part of the grass collecting box 15 is set to be longer than the distance from the ground to the engaging receiving part 24, In order to disengage the engaging part 26 upward from the engaging receiving part 24 by rolling the grass collecting box 15 backward, the grass collecting box 15 has a curved rolling shape in which the distance from the engaging part 26 increases from the lower part to the rear part. Moving part 31
The point is that it forms a

[Effect]

According to the present invention, when attaching the grass collection box 15 to the vehicle body 1, the grass collection box 15 is first placed on the ground behind the vehicle body 1 with the rolling portion 31 in contact with the ground, and then the grass collection box 15 is placed on the ground behind the vehicle body 1. 15 is placed at a predetermined position behind the vehicle body 1.

Next, the rolling part 31 is rolled on the ground toward the rear of the vehicle body 1, and with the rolling part 31 in contact with the ground,
The engaging portion 26 of the grass collection box 15 is engaged with the engaging receiving portion 24 at the rear of the vehicle body 1.

Thereafter, with the engaging portion 26 engaged with the engaging receiving portion 24, the grass collecting box 15 is lifted and rotated around the engaging receiving portion 24 to bring the grass collecting box 15 into the normal mounting position,
In this state, the pin hole (connecting part) 25 of the mounting base 20 and the pin hole (connected part) 27 of the mounting body 17 face each other.
The grass collection box 15 is fixed to the vehicle body 1 by inserting a fixing pin (coupling tool) 28 into the frame.

When removing the grass collection box 15 from the vehicle body 1, remove the fixing pin 28 to release the lower connection between the mounting base 20 and the mounting body 17, and rotate the grass collection box 15 around the engagement receiving part 24 to remove the grass collection box 15. Ground the bottom.

When the vehicle body 1 is moved backward with the lower part of the grass collecting box 15 in contact with the ground, the curved rolling portion 31 moves backward and the engagement portion 26 disengages upward from the engagement receiving portion 24.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

1 is the body of a small tractor, with front wheels 2 and rear wheels 3.
and a rear wheel fender 4 corresponding to the rear wheel 3.
is provided. 5 is a steering wheel, and 6 is a driver's seat.

Reference numeral 7 denotes a mower, which is attached to the lower abdomen of the vehicle body 1 via a hanging mechanism, and has three sets of mowers 9 rotatably arranged below the mower deck 8, and the mower 7 transfers the cut grass to the blade of the mower 9. The air is taken out to the outlet on the right side of the mower deck 8 by the action of a buffing plate formed at the top. Also Moadetsuki 8
Limit gauge wheels 10 are attached via brackets 11 to the left and right front ends and at the center, and height adjustment gauge wheels 12 are attached via brackets 13 to the left and right rear ends.

Reference numeral 15 denotes a grass collecting box, which stores the grass cut by the mower 7, and is detachably attached to the rear of the vehicle body 1.

The grass collection box 15 includes a frame 16 located at the front lower part of the grass collection box 15, a pair of left and right plate-shaped mounting bodies 17 protruding forward from the frame 16, and the frame 16.
A grass collecting box main body 18 and a lid body 19 are fixedly installed on the rear side.
etc.

The mounting body 17 is mounted on the rear part of the vehicle body 1 via a mounting base 20.

The mounting base 20 has bolts 2 on the rear and bottom surfaces of the vehicle body 1.
1, and a pair of left and right side plates 2 projecting rearward from the mounting plate 22.
It is equipped with 3rd class.

The upper part of the rear part of the side plate 23 is provided with an engagement receiving part 24 exemplified as a shaft part projecting outward, and the lower part of the rear part of the side plate 23 is provided with a pin hole (connecting part) 25 that penetrates in the left-right direction. It is formed.

The front part of each mounting body 17 is located on the outer side of the rear part of each side plate 23, and the upper part of the front part of each mounting body 17 has a hook-shaped engagement member that is removably engaged with the engagement receiving part 24. A joining part 26 is provided. Also, the attached body 17
A pin hole (connected part) 27 is formed through the lower part of the front part in the left-right direction, and the pin hole 27 and the side plate 2
By inserting the fixing pin (coupling tool) 28 into the pin hole 25 of No. 3 in a freely insertable and removable manner, the device body 17 is attached to the mounting base 2.
Fixed to 0.

The grass collecting box main body 18 mainly constitutes the grass collecting box 15, and the side wall at the upper part of the rear part is made of a net, and the upper part of the rear wall part is inclined. Note that the side wall portion does not have to be made of a net. Also main body 18
A discharge port 29 that opens obliquely downward to the rear is formed at the lower part of the rear wall. Further, the rear end edge of the side wall portion at the lower rear portion of the main body 18 is curved diagonally downward toward the rear.

The lid body 19 opens and closes the discharge port 29, has a fan shape with side projection, and is composed of a pair of left and right side walls 30 and a rear wall part 31 that connects the rear end edges of the both side walls 30.

The lid 19 is externally fitted onto the grass collecting box main body 18 from the rear side, and the front ends of both side walls 30 are pivoted to the both side walls of the main body 18 by left-right support shafts 32, so that the lid 19 is rotatably provided in the main body 18,
As shown by the solid line in FIG.
As shown by the imaginary line in the figure, the position can be changed freely from the closed position to the open position where the discharge port 29 is opened at the upper rotation position.

By the way, the position of the support shaft 32 of the lid body 19 is at approximately the same height as the upper end of the rear wall portion 31 and at the upper and lower ends of the rear wall portion 31 when the lid body 19 is in the closed position. The rear wall portion 31 has an arc shape centered on the support shaft 32, and when the lid body 19 is rotated from the closed position to the open position, the rear wall portion 31 is located at an equal distance from It is made so that it does not move at all to the rear.

Therefore, when the grass clippings inside the grass collection box 15 are discharged from the discharge port 29, the cover body 19 is placed behind the grass collection box 15.
There is no need to secure a large space for rotating.

Therefore, the grass clippings inside the grass collection box 15 can be discharged with the discharge port 29 close to an obstacle such as a wall, and the work of discharging the grass clippings from the grass collection box 15 in a narrow space can be easily performed.

Note that when the lid 19 is in the closed position, the opening edge of the discharge port 29 is close to the rear wall 31 of the lid 19, and when the lid 19 is opened, the upper side of the discharge port 29 The edge of the opening scrapes off grass clippings adhering to the rear wall portion 31.

As is clear from FIGS. 1 and 3, the grass collecting box 15 having the lid body 19 has a distance H from the hook-like engaging portion 26 to the lower part of the grass collecting box from the ground to the shaft-like engaging receiving portion 2.
4, and when the engaging portion 26 and the engaging receiving portion 24 are engaged, the fixing pin 2
8 is pulled out, the lower part of the grass collecting box 15 touches the ground.
In addition, a grass collection box 15 formed by a lid body 19
The part from the lower part to the rear part, that is, the curved rear wall part (also referred to as the rolling part) 31, is set so that the distance L from the engaging part 26 to the lower part is longer than the distance H from the engaging part 26 to the lower part. The distance increases, and when the grass collecting box 15 rolls on the rear wall 31, the engaging part 26 moves up and down simultaneously with the forward and backward movement, and engages and disengages from the engaging receiving part 24 from the upper rear. I will do it.

Note that when the grass collection box 15 is attached to the vehicle body 1, the grass collection box 15 is placed on the ground by the rear wall part 31, and the grass collection box 15 is placed on the ground by the rear wall part 31.
1 is rolled on the ground toward the rear of the vehicle body 1, so that the engaging portion 26 engages with the engaging receiving portion 24 while the rear wall portion 31 is in contact with the ground. Then, by rotating the grass collection box 15 around the engagement receiving part 24 in this state, the grass collection box 15 can be brought to the normal device position. Conversely, when the grass collecting box 15 is removed, the fixing pin 2
If you pull out 8, you will see grass collection box 15 floating above the ground.
rotates so that its lower part moves forward around the engagement receiving part 24, and the rolling part 31 connects, and when it rolls backward in the grounded state, the engaging part 26 moves to the engagement receiving part 24. depart upward from. Like this, grass collection box 1
5, an engaging part 26 is arranged at the front lower part of the grass collection box 15, and a rolling part 31 is arranged at the rear lower part, respectively.

Reference numeral 34 designates an operating lever for the lid 19, the lower end of which is fixed to one end of the support shaft 35, and is disposed on the side of the seat 6.

The support shaft 35 is arranged in the left-right direction and is rotatably supported at the lower front surface of the grass collecting box main body 18. An operating lever 36 is fixed to both ends of the support shaft 35, and the interlocking link 3 is pivotally connected to the operating lever 36.
7 is pivotally connected to each side wall portion 30 of the lid body 19,
The rotation of the operating lever 34 operates the operating lever 36 and the interlocking link 37 via the support shaft 35, and the discharge port 29 is opened and closed by the lid 19.

Reference numeral 33 denotes a bullet, which is interposed in an elastic manner between a projecting plate 38 projecting forward from the front end of the side wall 30 of the lid body 19 and the lower front part of the grass collecting box main body 18. The lid 19 is biased upward so that the lid 19 can be easily opened and closed.

Reference numeral 39 denotes a mounting plate, which is installed below the lower end of the side wall of the grass collecting box main body 18 on the rear side of the outlet 29, and a locking piece 40 is mounted on the mounting plate 39 and rotates by a support shaft 41 in the left and right direction. The lid 19 is locked in the closed position by detachably engaging an engagement shaft 42 which is freely pivoted and fixed to the lower end of the rear wall 31 of the lid 19.

43 is a rotating lever provided at the upper end of the operating lever 34; 44 is a Bowden wire operated by the rotating lever 43; one end of the outer wire 45 is fixed to the upper end of the operating lever 34; A support plate 4 whose side protrudes from the mounting plate 39
It is fixed at 6. Further, one end of the inner wire 47 of the Bowden wire 44 is connected to the rotating lever 43, and the other end is connected to the locking piece 40, so that the locking piece 40 and the engaging shaft portion 42 are connected by rotation of the rotating lever 43. The engagement can be released.

48 is a bullet, which is interposed between the support plate 46 and the lock piece 40 in the inner wire 47 in a bullet shape;
The workpiece 40 is biased in the direction of engagement with the engagement shaft portion 42.

Reference numeral 49 denotes a stopper which prevents the lock piece 40 from being rotated by the bullet 48 more than a predetermined amount.

The rear end of the locking piece 40 is a forward-slanting cam surface 50, which engages when the lid 19 is rotated from the open position to the closed position with the locking piece 40 in contact with the stopper 49. The shaft portion 42 contacts the cam surface 50 and rotates the locking piece 40, whereby the engaging shaft portion 42 automatically engages with the locking piece 40.

52 is a feeding device that feeds the grass clipped by the mower 7 into the grass collection box 15, and includes a metal duct 53 and flexible first and second hoses 54, 5.
5 and a blower 56.

The duct 52 is connected to the right side discharge port of the mower deck 8 in an outwardly projecting manner, and is formed in a curved shape so that the tip side faces rearward. The duct 52 has a rectangular cross section and is inclined so that the outer circumferential portion is higher than the inner circumferential portion.
An opening 57 is formed at the lower end of the outer periphery and the upper end of the inner periphery of the duct 53.
By allowing air to flow in from the duct 53, stagnation of the flow such as flow stagnation and generation of vortices is prevented within the duct 53, thereby preventing the accumulation of grass clippings within the duct 53. .

The blower 56 sucks the grass clippings from the mower 7 and supplies it to the grass collection box 15, and is detachably provided on the lower right side surface of the frame 16. The blower 56 is releasably connected to the duct 53 and the first hose 54, and the blower 56 is connected to the grass collecting box main body 18.
and are releasably connected via a second hose 55.

According to the embodiment configured as described above, when the grass collecting box 15 is attached to the vehicle body 1, the grass collecting box 15 is collected with the rear wall 31 of the lid body 19 in contact with the ground, as shown by the imaginary line in FIG. The grass box 15 is placed on the ground. In this case, the blower 5 disconnected from the first hose 54
6. The second hose 55 is provided in the grass collecting box 15.

Next, position the vehicle body 1 in front of the grass collection box 15,
A mounting base 20 fixed to a vehicle body 1 is positioned at a position corresponding to a mounting body 17 of a grass collection box 15.

In this state, the rear wall portion 31 is rolled on the ground toward the rear of the vehicle body 1, and as a result, as shown by the solid line in FIG. The engaging portion 26 engages with the engaging receiving portion 24 of the mounting base 20.

Next, with the engaging part 26 engaged with the engaging receiving part 24, the grass collecting box 15 is lifted and rotated upward around the engaging receiving part 24, so that the grass collecting box 15 is in the normal mounting position. do.

Then, in the above state, each mounting body 17 and the mounting base 2
Fixing pins 2 are inserted into the pin holes 27 and 25 of each side plate 23 of 0.
8 to fix the mounting body 17 to the mounting base 20.

Next, the blower 56 and duct 53 are connected to the first hose 5
It is connected by 4.

Incidentally, the removal of the grass collection box 15 from the vehicle body 1 is performed in the reverse order to the above.

As described above, when attaching the grass collecting box 15 to the vehicle body 1, the grass collecting box 15 is rotated around the engaging receiving part 24 while the engaging part 26 is engaged with the engaging receiving part 24. Therefore, the grass collecting box 15 that is in contact with the ground can be easily positioned at the normal mounting position, and the engaging part 26 can also be engaged with the engaging receiving part 24 without lifting the grass collecting box 15. This can be easily done by rolling it on the ground. In this way, the grass collection box 15 placed on the ground can be easily moved to the normal mounting position, and the distance of the grass collection box 15 to the vehicle body 1 can be easily adjusted. can be done. When the grass collection box 15 is detached from the vehicle body 1, the fixing pin 28 is removed and the grass collection box 15 is rotated around the engagement receiving part 24, and the rolling part 31 is grounded and rolled backward. The grass collecting box 15 can be removed by simply moving the engaging portion 26 upwardly away from the engaging receiving portion 24.

In the embodiment, the rear surface of the rear wall of the lid body is provided with a rolling portion that protrudes diagonally backward and downward, but the rolling portion may be provided in the grass collection box body.

〔Effect of the invention〕

As described in detail above, according to the present invention, the shaft-shaped engagement receiving portion 2 is attached to the mounting base 20 fixed to the rear portion of the traveling vehicle body 1.
4 and a connecting part 25, and a hook-like engaging part 26 that rotatably engages with the engaging receiving part 24 from above and a running vehicle body. 1, a connected part 27 is connected to the connecting part 25 via a connecting tool 28 when the grass collecting box 15 is in the mounting position, and the lower part of the grass collecting box 15 is
Remove the connector 28 and attach the grass collection box 15 to the engagement receiving part 24.
The distance from the engaging part 26 to the lower part of the grass collection box 15 is set longer than the distance from the ground to the engagement receiving part 24 so that the grass collection box 15 touches the ground when rotated, and the grass collection box 15 that is in contact with the ground is rotated backward. By moving the engaging portion 26
In order to disengage upward from the engagement receiving part 24, the grass collection box 1
5. Since the curved rolling part 31 is formed such that the distance from the engaging part 26 increases from the lower part to the rear part, even if the grass collecting box 15 is mounted floating on the traveling vehicle body 1, the grass collecting box 15 can be easily collected. Since the engagement portion 26 and the engagement receiving portion 24 can be engaged and disengaged while the grass box 15 is in contact with the ground, the grass collection box 15 can be attached to the traveling vehicle body 1.
Attaching and detaching work can be done extremely simply and easily.

[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, FIG. 3 is a side view for explaining how to attach the grass collection box to the vehicle body, and FIG.
5 is a partially enlarged side view of the grass collecting box, FIG. 5 is a partially longitudinal sectional view of the grass collecting box, and FIG. 6 is a sectional view taken along the line A--A in FIG. 2. 1... Traveling vehicle body, 7... Mower, 15... Grass collecting box, 17... Mounting body, 20... Mounting stand, 24...
Engagement receiving part, 26...Engagement part, 28...Fixing pin,
31... Rear wall part (rolling part), 52... Feeding device.

Claims (1)

[Scope of Claims] 1. A grass collector in which a grass collecting box 15 for storing grass clipped by the mower 7 is mounted on the rear of a traveling vehicle body 1 on which a mower 7 is attached, with the grass collection box 15 floating above the ground. A shaft-like engagement receiving part 24 and a connecting part 25 are formed on a mounting base 20 fixed at the rear of the grass collection box 15, and a shaft-shaped engagement receiving part 24 and a connecting part 25 are formed on a mounting base 20 fixed at the front lower part of the grass collecting box 15. When the hook-shaped engaging portion 26 that is movably engaged and the grass collection box 15 is placed in the mounting position with respect to the traveling vehicle body 1, the connecting portion 25 is connected to the hook-like engaging portion 26 via the connecting tool 28.
A connected part 27 is connected to the grass collecting box 1.
The lower part of 5 is designed to be in contact with the ground when the weed collection box 15 is rotated around the engagement receiving part 24 after detaching from the connector 28.
The engaging portion 26 is engaged by setting the distance from the engaging portion 26 to the lower part of the grass collecting box 15 to be longer than the distance from the ground to the engaging receiving portion 24, and by rolling backward the grass collecting box 15 that is in contact with the ground. In order to disengage upward from the receiving part 24, an engaging part 26 extends from the lower part of the grass collecting box 15 to the rear part.
A grass collector characterized in that a curved rolling portion 31 is formed such that the distance from the grass collector increases.