JPH02200111A - Weed bag in rotary mower - Google Patents

Abstract

PURPOSE:To enable smooth discharge of a weed bag without clogging of mowed weeds and simplify attachment thereof by making the weed bag using a flexible material and forming the bottom part side thereof into an air-impassable part and the residual part thereof into an air-passable part. CONSTITUTION:Mowed lawn grasses are forcibly discharged from the right end of a mower deck by wind pressure as a centrifugal force generated using rotation of blades and stored in a folded weed bag in a weed bag-supporting frame 15. When the weed bag is filled with the mowed grasses to the left end of a net part 36, the car body is once stopped. A handle 30 for an electric heat seal is rotated downwards to strongly pressurize a film part 35 between a heating case 31 and a support bar and a switch 34 is opened to heat seal and cut the film part 35 using heat generated by a heating unit. The weed bag filled with the mowed grasses is sealed and a sealed bottom is formed at the end part of an unused weed bag. The weed bag filled with mowed grasses is discharged from the frame 15 and the car body is then made to travel again. Mowed lawn grasses are forced to forcibly hit the sealed bottom so that the weed bag may be drawn out into the weed bag-supporting frame 15 and the mowed grasses are stored in the weed bag.

Description

[Detailed Description of the Invention] [Industrial Application Field] The field of application of the present invention is a grass collection bag for a walking mower, a ride mower, a lawn tractor, and a rotary mower attached to an agricultural tractor.

[Prior art]

The grass collection bag attached to the outlet of the moadetsuki was either a woven bag with a uniform texture or a bag made of film such as vinyl.

[Problem to be solved by the invention]

1- In the prior art, the former is bulky,
The problem is that it is expensive to manufacture, and the latter has a problem of poor ventilation and the need for devising ways to exhaust the air.

[Means to solve the problem]

This invention has taken the following technical means to solve the above problems. That is, in a convex tally mower configured to discharge grass cut by the blade of a mower deck attached to the vehicle body to a grass collection bag attached to a discharge section 11 provided so as to communicate with one side of the mower deck, this collection is carried out. The grass bag is made of a flexible material, and the bottom side of the bag facing the discharge port is made into an air-impermeable part, and the remaining part of the bag is made into an air-circulating part.

[Effect]

When mowing work in a grassy area, a grass collection bag is attached to the discharge port, and while the vehicle body is running, the grass cut by the rotation of the blade is collected by the centrifugal force and wind pressure generated by the rotation of the blade. After inflating the bag, it is transferred to a grass collection bag and stored.

〔effect〕

The present invention relates to a rotary mower configured to discharge grass cut by the blade of a mower deck attached to a vehicle body to a grass collection bag attached to a discharge port provided so as to communicate with one side of the mower deck. The grass collection bag is made of a flexible material, and the bottom side of the bag facing the discharge port is made into an air-impermeable part, and the remaining part of the bag is formed into an air circulation part, so the grass collection bag can be used as a discharge port. Once installed, even if the grass collection bag is folded, the bottom side of the bag will be inflated due to the wind pressure and the force of the grass clippings being discharged, so that the grass clippings will not get clogged. The grass can be smoothly discharged into the grass collection bag, thereby making it easier to attach the grass collection bag.

〔Example〕

Hereinafter, the present invention will be described in detail based on the drawings.

First, the configuration will be explained. Lawn tractor body 1
The mower deck 5 of the mower @ 4 is attached to the lower part of the lifting link (not shown) whose upper part is pivoted to the vehicle body 1 under the abdomen between the front axles 2, 2 and the rear wheels 3, 3. 5 to the lift device (not shown) of the vehicle body 1 (not shown)
The front PTO shaft (not shown) is connected to the input @ (not shown) of the input transmission case (not shown) attached to the mower deck 5 via a uniparser joint (not shown). The upper end of the vertical working shaft (not shown) provided on the mower deck 5 is interlocked with an input transmission case via a belt transmission mechanism (not shown), and the lower part of these working shafts is configured to transmit rotational power. A blade (not shown) is provided. A discharge port part 6 is made to protrude from the right side of the mower deck 5, and a discharge part support frame 7, which is circular in side view, is attached to the end of this discharge port part 6. , 8 are provided so that they are located in the front and rear, and the legs 8, 8 are formed by bending plate material to provide engagement recesses 9, 9 that open upward, and the lower back surface of the ejection part support frame 7 has a depth. A deep upper space 11 is curved to form lower spaces 10, 10, and its ends are fixed to the lower back surface of the discharge part support frame 7, and the upper rear surface overhangs the upper surface of the discharge port part 6. A locking rod 12 is fixedly provided, which has a letter-like shape when viewed from the back and an N-shape when viewed from the side. The grass collection bag support frame 15 connected to the six discharge part support frames 7 which is supported and fixed to the support plate 14 is connected to the -1 series of rods 16. Lower rod 17. Left and right side rods 1
8.18 Formed rectangular population frame 19 and series of rods 20.
Lower rod 21. 4 consisting of left and right side rods 22°22
The rectangular outer frame 23 is fixedly connected to the square outer frame 23 through stacking rods 24 and intermediate rods 25 to form a rectangular parallelepiped frame, and the upper side frame 16 of the quadrangular artificial frame 19 is provided with a hook rod that engages with the locking rod 12. 2G
. It is protruding towards.

On the outside of the back side of the quadrangular artificial frame 19, a receiving rod 28 is arranged in parallel to face the side rods 18 with a gap therebetween, and is pivotally connected to the receiving rod 28 about the horizontal axis, and is connected to the front hook rod 26. An electrothermal welding device is provided which includes an electrothermal welding handle 30 held at the back of the upper rod 16 by the elastic force of a spring 29 stretched between the two. The electrothermal welding handle 30 is installed in a case part 31 having an n-shaped cross section so that a heating element 32 faces a lower opening 33, and connects the heating element 32 to the vehicle body through a switch 34 at one end. It is connected to a power source (not shown) that is provided by the power source.

The discharge part support rod 7 can be fitted into the lower space 10° 10 and a part of the space 11 on the back side of the discharge part support frame 7, and the film part 35 as an air-blocking part of the intermediate part in the longitudinal direction and the width. A long weed collection belt 37 in which net-like parts 36 as wide air circulation parts are alternately formed is folded and housed. A welded closed bottom is formed at the end of this grass collecting bag band 37.

Note that 38 is the center rod of the quadrangular outer frame 23.

Next, the action and effect will be explained. In order to mow the grass in the garden with a lawn tractor, when the lawn tractor is driven through the garden while driving the mowing device, the grass cut by the rotation of the blade is pushed to the right end of the mower deck 5 by the centrifugal force and pressure generated by the rotation of the blade. The grass collection bag belt 37, which has been forcefully discharged and folded, stores the grass clippings while being pulled out into the grass collection support frame 15.
When the film 35 is full to the left end, the operator temporarily stops the vehicle body 1, rotates the electric heat welding handle 30 downward, and removes the film 35.
The part is strongly pressurized by the heating case part 31 and the receiver 28, and the switch 34 is turned on to weld and cut the film part 35 with the heat generated from the first heating element 32, and the grass collection bag filled with grass clippings is closed. A closed bottom is formed at the end of the unused grass collection bag belt 37. Therefore, the operator discharges the full grass collection bag to the outside from the grass collection bag support frame 15, and then runs the vehicle body 1 again while driving the grass cutting device 4, so that the grass cut by the rotation of the blade is The grass collection bag belt 37 is forcefully hit against the closed bottom by the force and pressure and pulled out into the grass collection bag support frame 15, and grass clippings are stored in the grass collection bag at the end of the grass collection bag belt 37.

In the embodiment described above, the discharge part support rod 7 can be fitted into the lower space 10.10 and the upper space 11 on the back side of the discharge part support frame 7, and the film as an air-impermeable part sandwiched in the longitudinal direction can be fitted therein. portion 35 and a net-like portion 36 as a wide air circulation portion
The grass collection bag support frame 15 has a receiving frame 15 arranged in parallel so as to face the front connecting rod 1B with a gap on the back side of the rectangular artificial frame 19. Rod 28
It is pivotally mounted to this receiving rod 28 about the horizontal axis.

An electrothermal welding device consisting of an electrothermal welding handle 30 held on the back side of the upper rod 16 by the elastic force of a spring 29 stretched between the front hook rod 26 is provided, so that the weed bag belt is The operator discharges the grass bag band 37 because the force of the grass clippings discharged from the discharge port 6 of the mower deck 5 due to the centrifugal force and pressure generated by the rotation of the blade 37 pulls it out into the grass bag support frame 15. The trouble of pulling out the grass collection bag support frame 15 from the part support frame 7 can be omitted. When the grass collection bag is full, the electric heat welding handle 30 is rotated downward to press the film portion 35 with the receiver 28 and the electric heat welding handle 30, and the heating element 30 is removed by turning on the switch 34. By welding and cutting with the heat of , the full grass bag is closed, and a closed bottom is formed at the end of the grass bag band, making it possible to save labor in mowing work.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view of the grass collection bag belt, FIG. 2 is a rear view showing the connection relationship between the discharge part support frame and the grass collection bag support frame, and FIG. Perspective view of discharge port section, 4th
The figure is a perspective view of the grass collection bag support. Figure 5 is a perspective view showing the relationship between the grass collection bag belt and the grass collection bag support frame;
FIG. 6 is a working view of electrothermally welding the weed collecting bag belt with a receiving rod and an electric P8 welding handle, and FIG. 7 is an overall plan view. Explanation of main symbols

Claims (1)

[Claims] (1) In a rotary mower configured to discharge grass cut by the blades of a mower deck attached to the vehicle body to a grass collection bag attached to a discharge port provided to communicate with one side of the mower deck, A grass collection bag characterized in that the grass bag is made of a flexible material, the bottom side of the bag facing the discharge port is made into an air-impermeable part, and the remaining part of the bag is made into an air-circulating part.