JPH04646Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Industrial application field) The present invention relates to a grass collector.

(Prior Art) As a grass collector, a mower and a grass collection container are attached to a running vehicle body, and the mower is equipped with a mower stick having a cutter and a discharge cover connected to a grass cutting outlet of the mower stick, The discharge cover and the grass collection container are connected by a grass clippings feeding device that sucks the grass clipped by the mower and feeds it into the grass collection container,
Some grass collection containers have part or all of them as a filter section made of punched metal, a net, or the like, so that the air fed together with the grass clippings is separated from the grass clippings and discharged to the outside.

(Problems to be solved by the invention) By the way, the above-mentioned conventional method had the following problems.

That is, in order to prevent too much dust from coming out of the grass collecting container, it is necessary to make the mesh of the filter part fine, but if this is done, the filter part becomes clogged early.

As mentioned above, when the filter section becomes clogged, the feeding capacity of the grass clippings feeding device decreases, and the amount of grass clippings fed is lower than the amount of grass clippings discharged by the mower. Problems arise in that the flow of the grass becomes poor and the grass flows backward, or that dust is thrown up from the connection between the discharge cover and the grass feeder.

In addition, if the mesh of the screen part is made coarser, it is possible to prevent early clogging, but a large amount of dust, etc. will be discharged to the outside of the grass collection container, and the operator will be surrounded by dust. , making it difficult to work comfortably and creating hygiene problems.

An object of the present invention is to provide a grass collector in which the filter part does not become clogged even if the mesh of the filter part is fine.

(Means for Solving the Problems) In order to achieve the above object, the present invention is characterized in that a mower 7 and a grass collecting container 1 are provided on the traveling vehicle body 1.
5 is installed, and the grass cut by the mower 7 is sent to the grass collection container 1 via the feed pipes 34 and 35 by air flow.
A filter section 24 is formed on the upper part of the grass collection container 15 to separate the air supplied into the grass collection container 15 together with the grass clippings from the grass clippings and the like and discharge the air to the outside.
The grass collector 36 is rotatably provided in the grass collection container 15 with a clogging prevention device 36 that comes into sliding contact with the inner surface of the filter portion 24 to clean it, and the clogging prevention device 36 has a blade portion at a radially outer end. 41
According to the present invention, the direction of the air flow from the feed pipe 35 connected to the grass collecting container 15 is set in the tangential direction of the rotation of the blade portion 41. A filter section 24 provided at the upper part separates grass clippings and the like from the air fed into the grass collecting container 15. Separated grass clippings may adhere to the lower surface of the filter section 24 and cause clogging, but as the anti-clogging tool 36 rotates, it comes into sliding contact with the lower surface of the filter section 24 and cleans the attached grass clippings. , onto the collected grass clippings in the grass collection container 15.

(Embodiment) Hereinafter, the first embodiment of the present invention will be explained based on the drawings of FIGS. 1 to 3. In FIGS. 1 and 2, 1 is a running body of a small tractor, It has 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.

Reference numeral 7 denotes a mower, which is attached to the lower abdomen of the vehicle body 1 via a hanging mechanism, and has a mower deck 8 that opens downward and has a discharge port 9 on the right side, and a mower 7 that is arranged horizontally below the top plate of the mower deck 8. three sets of cutters 10, a cutting height adjustment gauge wheel 11 and a limit gauge wheel 12 attached to the mower deck 8.
The discharge port 9 is provided with a cylindrical discharge cover 13 and the like that protrudes rearward.

An airflow plate 10a is formed on the cutter 10, and grass clippings cut by the cutter 10 are discharged to the outlet 9 by the airflow generated by the airflow plate 10a.

A grass collection container 15 is detachably attached to the rear of the vehicle body 1 and stores grass clipped by the mower 7.

The grass collection container 15 includes a grass collection container main body 16 having a grass clippings outlet 22 on the rear wall side, a lid body 17 for opening and closing the grass clippings discharge port 22, and an opening/closing mechanism 1 for operating the lid body 17.
Consists of 8th grade.

As shown in FIG. 3, a partition wall 19 is provided on the upper side of the inside of the grass collection container main body 16 to partition the inside of the main body 16 into upper and lower parts.
The lower side is the grass clippings storage section 20 that mainly constitutes the inside of the main body 16, and the upper side is the first discharge path 21.

The grass collection container main body 16 has a rear opening shape, and the rear end opening of the grass clippings storage section 20 is a grass clippings discharge port 22.
Further, the opening at the rear end of the first discharge path 21 serves as a communication port 23 .

The central part of the partition wall 19 has a circular filter part 24 made of punched metal, mesh, etc., which separates the air fed into the grass storage part 20 together with the grass clippings and sends it to the first discharge path 21. Discharge.

The lid body 17 has a hollow rectangular parallelepiped shape, and the grass collection container body 1
It is rotatably supported by a hinge 25 at the rear end of the top wall of 6.

The front wall of the lid 17 is a lid 27 that opens and closes the grass clippings outlet 22 by rotating the lid 17.
7 and the front end of the top wall of the lid body 17 is a communication port 28 that opens forward, and both communication ports 23, 28
The first discharge path 21 and the inside of the lid body 17 are communicated with each other.

Inside the lid body 17 is a second discharge path 2 that opens downward.
It is said to be 9.

Baffle plates 30 projecting into the second discharge path 29 are alternately projected from the rear surface of the lid portion 27 and the front surface of the rear wall portion of the lid body 17 in the vertical direction.

The baffle plate 30 has an inclined shape that becomes lower toward the tip, and is formed of an iron plate or the like, but may also be formed of a punched metal or the like.

Note that, instead of the baffle plate 30, a guide portion for guiding the air downward in a spiral manner may be provided in the second discharge path 29.

Reference numeral 31 denotes a grass clippings feeding device, which sucks grass clippings cut by the mower 7 and feeds them to the grass collection container 15.
It is equipped with feed pipes 34, 35, etc.

The blower 33 and the engine 22 are connected to the grass collection container main body 1
The discharge cover 1 is provided at the lower part of the front right side wall of 6.
3 via the first feed pipe 34,
The grass clippings storage section 20 of the grass collection container 15 and the second feed pipe 35
connected via.

The end of the second feed pipe 35 on the grass collection container 15 side is connected to the upper side of the front right side wall of the grass collection container main body 16.

36 is a brush exemplified as a clogging prevention tool, which is arranged concentrically below the filter section 24;
A vertical support shaft 37 fixed to the brush 36 is
It is supported by a bearing 38 on the top wall portion of the grass collection container body 16 and the filter portion 24 .

The brush 36 includes a horizontal main body portion 40 having a support shaft 37 fixed at the central portion in the longitudinal direction, and a pair of blade portions 41 extending from both longitudinal ends (radial outer ends) of the main body portion 40. , a brush part 42 which is implanted on the upper surface side of the main body part 40 and comes into sliding contact with the lower surface of the filter part 24 to clean it.

The end of the second feed pipe 35 is open to the front side of the rotation range of the brush 36, and the second feed pipe 35
The brush 36 is rotationally driven by the air and grass clippings fed into the grass collection container 15 from the brush 36 hitting the blade portion 41 . As shown in FIG. 2, the second feed pipe 35
The direction of air flow from the blade part 41 is set in the tangential direction of the rotation of the blade part 41, and the blade part 41 is a flat plate parallel to the axis of the support shaft 37, so that it can be easily manufactured.

According to the embodiment configured as described above, during the mowing operation, the cut grass cut by the cutter 10 of the mower 7 is discharged to the discharge cover 13 side by the airflow generated by the blower plate 10a of the cutter 10. At the same time, this discharged grass is transferred to blower 3.
3, and the grass clippings are sucked by the airflow generated by the air blower plate 10a and the blower 33, and the grass clippings are passed through the first and second feed pipes 34 and 35 and stored in the grass collection container 15. 20.

In this case, air is also fed into the grass clippings storage section 20 together with the grass clippings, but this fed air passes through the filter section 24 and is separated from grass clippings, large garbage, etc. , 29 and is discharged downward.

In the above case, the brush 36 is rotationally driven by the air, grass clippings, etc. fed into the grass clippings storage section 20 to clean the filter section 24. Also, the filter portion 24 is not clogged, and the amount of dust (including fine grass clippings) released to the outside of the grass collecting container 15 can be reduced.

In addition, the air fed into the grass clippings storage section 20 is
When passing through the discharge path 29, the flow velocity is reduced by the baffle plate 30, so that it hardly hits the ground strongly and kicks up dust.

In addition, although the baffle plate was provided in the second discharge path in the embodiment, it is not necessary to provide the baffle plate.

(Effect of the invention) In the present invention, the anti-clogging tool 36 has a blade part 41 at the radially outer end, and the direction of the air flow from the feed pipe 35 connected to the grass collection container 15 is determined by the rotation of the blade part 41. Since it is set in the tangential direction, the clogging prevention tool 36
can be rotated by air flow, can be easily manufactured with a simple shape without using a special rotation drive device, and moreover, grass clippings attached to the filter section 24 can be constantly cleaned and removed during grass collection work. .

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a partially sectional side view of the entire grass collector, Fig. 2 is a partially sectional plan view of the same, and Fig. 3 is an enlarged view of the main parts of Fig. 1. . DESCRIPTION OF SYMBOLS 1... Traveling vehicle body, 7... Mower, 15... Grass collecting container, 24... Filter part, 31... Grass feeding device, 36... Brush (clogging prevention tool).

Claims (1)

[Claims for Utility Model Registration] A mower 7 and a grass collecting container 15 are mounted on the traveling vehicle body 1, and the grass clipped by the mower 7 is transferred into the grass collecting container 15 through the feed pipes 34 and 35 by air flow. A filter part 24 is formed on the upper part of the grass collection container 15 to separate the air fed into the grass collection container 15 together with the grass clippings and to discharge it to the outside. This grass collector is equipped with a clogging preventive tool 36 rotatably mounted on the grass collection container 15, which cleans the grass by slidingly contacting the same.
A grass collector characterized in that the direction of the air flow from the feed pipe 35 connected to the grass collection container 15 is set in the tangential direction of the rotation of the blade part 41.