JPH0350663Y2 - - Google Patents

Description

[Detailed explanation of the idea] <Industrial application field> The present invention relates to a grass collection device.

<Prior Art> Conventionally, a grass collecting device has been used in which a mower attached to a traveling vehicle body such as a tractor and a grass collecting box are connected by a grass collecting duct. In that case,
Due to the mounting position and installation space between the mower and the grass collecting box, it is difficult to construct a straight grass collecting duct that connects the mower and the grass collecting box, and a bent pipe section is absolutely necessary.

<Problems to be solved by the invention> When grass clippings cut by a mower are sent to a grass collection device via a grass collection duct using a blower or the like,
When the amount of grass clippings was large or the grass clippings were damp, the bent pipes were sometimes clogged with grass, making it impossible to collect grass.
Therefore, in order to remove the clogged grass, it was necessary to disconnect the grass collection duct from the mower, which is usually fastened and fixed with bolts, making it troublesome to connect and disconnect, making it difficult to work. It was hot.

In view of the above, the present invention has been devised to provide a mower and a grass collection duct that can be easily connected and detached in order to efficiently remove grass clippings that have become clogged in the curved pipe portion of the grass collection duct. Aims to provide grass equipment.

<Means for Solving the Problems> A feature of the technical means taken by the present invention to solve the problems of the prior art is that the mower and the grass collection box are attached to one side of the mower in the lateral direction. In a grass collection device in which communicating grass collection ducts are connected,
The mower is provided with a first regulating section, the grass collection duct is provided with a second regulating section that is freely engageable and detachable from the first regulating section,
In order to make the mower and the grass collection duct freely attachable and detachable by engaging and disengaging these first and second regulating parts, the first regulating part is formed by folding upward from the mower side toward the horizontal grass collecting duct side. The second regulating portion includes a folded-back piece, and a protruding piece that is positioned at a distance from the folded-back piece on the grass collection duct side in the lateral direction and is formed in an upwardly protruding shape. an engaging piece that is removably inserted into and engaged with the inside of the folding piece; and a grass collection duct that can be freely inserted and removed from above by swinging the grass collection duct up and down with the engaging piece inserted into the folded piece. A fitting groove into which the fitting groove is externally fitted is provided.

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

In FIGS. 5 and 6, 1 is the body of a small tractor, which has a front wheel 2 and a rear wheel 3.
A rear wheel fender 4 is provided correspondingly.
5 is a steering wheel, and 6 is a driver's seat.

Reference numeral 7 is a mower, which is equipped with a mower deck 8 having front and rear walls 20, 21 and an upper wall 22, and is attached to the lower abdomen of the vehicle body 1 via a hanging mechanism. It consists of 9 rotatably arranged parts. Further, the cut grass is discharged to the discharge port 8a on the right side of the mower deck 8 by the action of a wind blowing plate formed on the blade of the cutting section 9. Further, limit gauge wheels 10 are attached to the left and right front ends and the center of the mower deck 8, and height adjustment gauge wheels 12 are attached to the left and right rear ends. In addition, 23 is a rib for reinforcing the mower deck.

Reference numeral 14 denotes a grass collecting box, which is attached to the rear of the vehicle body 1 via a bracket 15.

The mower 7 and the grass collection box 14 are the grass collection duct 1.
6. The grass collection duct 16 is formed by connecting a metal duct 16a connected to the outlet 8a on the right side of the mower deck 8 and a flexible hose 16b connected to the grass collection box 14. A blower is interposed as a suction mechanism 17 in the middle of the flexible hose 16b. The blower is mounted on a bracket 18 extending from the bracket 15 for mounting the grass collection box 14. metal duct 1
6a is a bent pipe portion 19 that is bent approximately 90 degrees between the flexible hose 16b and the discharge port 8a.

As shown in FIGS. 1 to 4, the mower 7 is provided with a first regulating section 24, and the grass collection duct 16 is provided with a second regulating section 25.

The first regulating portion 24 is a top wall 22 of the mower deck 8.
The first vertical and horizontal engagement portion 2 is attached to the right side of the
6 and the right ends of the front and rear walls 20, 21 of the mower deck 8.
It consists of 8.

The first vertical and horizontal engaging portion 26 is connected to a bottom wall 29;
A protruding piece 30 that is continuous from the right end of the bottom wall 29 and is bent upward to protrude upward, and the bottom wall 29
It has a folded piece 31 that is continuous from the left end of the mower 7 and folded upward from the mower 7 side toward the grass collection duct 16 side in the left-right direction. A mounting piece 32 is welded to the lower end of the folded piece 31, and the mounting piece 32 is fixed to the upper wall 22 of the mower deck 8 with bolts and nuts 33.

The second regulating part 25 includes a second vertically and horizontally engaging part 35 attached to the left end of the upper wall 34 of the metal duct 16a, and front and rear walls 36, 37 of the metal duct 34.
A second longitudinal engaging portion 3 constituted by the left end of
It consists of 8,39.

The second vertically and horizontally engaging portion 35 includes a mounting piece 40 welded to the upper wall 34 of the metal duct 16a, and a piece 41 having an inverted U-shaped cross section that is continuous and bent from the left end of the mounting piece 40. , the inverted U-shaped cross-section piece 41
The inner side of the inverted U-shaped cross-sectional piece 41 is a fitting groove. Note that a raised piece 43 is fixed to the upper surface of the left end of the engagement piece 42 .

In the connected state in which the grass collection duct 16 is fitted onto the mower 7, as shown in FIG. The fitting groove on the inside of the shaped piece 41 fits outward to prevent the mower 7 and the grass collection duct 16 from separating from each other in the left-right direction. Further, the tip of the engagement piece 42 is inserted inside the folded piece 31, and the engagement piece 42 engages with the upper wall of the folded piece 31 from below via the bulky piece 43, and the mower 7 and This prevents the grass collection duct 16 from moving away from the grass collection duct 16 in the vertical direction. On the other hand, on the right side of the front and rear walls 20, 21 of the mower deck 8, which are the first front and rear engagement parts 27, 28, the front and rear walls 36, 37 of the grass collection duct 16, which are the second front and rear engagement parts 38, 39, are on the right side. The left end engages from the outside to prevent the mower 7 and the grass collection duct 16 from separating from each other in the front-back direction.

That is, each engaging portion 26, 2 of the first regulating portion 24
7, 28 and each engaging portion 35, 3 of the second regulating portion 25
8 and 39, the mower 7 and the grass collection duct 16 do not separate from each other in the vertical and lateral directions, and can maintain a connected state even during work.

Next, as shown in FIG. 2, when the grass collection duct 16 is swung upward, the engagement between the upper bent piece 30 and the fitting groove inside the U-shaped cross-sectional piece 41 is released.
Then, when the grass collection duct 16 is pulled in the direction away from the mower 7 as shown in the direction of arrow A in FIG.
As the engaging piece 42 separates from the inside of the folded piece 31, the first and second longitudinal engaging parts 27, 28, 3
8 and 39 are released, the grass collection duct 16 and the mower 7 are separated, and even if the bent pipe portion 19 of the grass collection duct 16 is clogged with grass clippings 44, it can be efficiently removed.

To reconnect the mower 7 and the grass collection duct 16, the procedure for disconnecting the mower 7 and the grass collection duct 16 is the reverse of that shown in FIG. , by swinging the grass collection duct 16 downward and fitting the fitting groove inside the U-shaped cross-section piece 41 of the protruding piece 30 from above, the first regulating part 2
4 and the second regulating portion 25 may be engaged with each other.

That is, the mower 7 and the grass collection duct 16 can be connected and disconnected with one-touch operation, and the work of removing the grass clippings 44 stuck in the grass collection duct 16 can be performed efficiently.

In the above embodiment, the mower 7 and the grass collection duct 16 are connected to each other by the engagement between the first regulating part 24 and the second regulating part 25.
and are in a connected state without separating in the vertical and lateral directions. Furthermore, the engagement between the two regulating portions 24 and 25 can be released with a single touch, and the grass collection duct 16 can be easily separated from the mower 7 to efficiently remove the clogged grass clippings 44.

<Effects of the invention> According to the invention, the engaging piece is inserted inside the folded piece, the grass collection duct is swung downward, and the protruding piece is fitted into the fitting groove from above. The regulating part and the second regulating part are engaged to connect the grass collecting duct to the mower, and the grass collecting duct is swung upward from the connected state to release the fitting between the protruding piece and the fitting groove, By removing the engaging piece from the inside of the folded piece, the engagement between the first regulating part and the second regulating part is released, the grass collecting duct is removed from the mower, and the connection between the mower and the grass collecting duct is removed. The device can be attached and detached with a single touch, and therefore the removal of grass clippings clogged in the grass collection duct can be carried out extremely efficiently.
In addition, even if the bottom of the grass collection duct hits soil or the like and force is applied from below to upwards on the grass collection duct, the engagement piece will come into contact with the upper wall of the folded piece, causing the grass collection duct to close. The upward movement is regulated and the grass collection duct can be prevented from coming off, and furthermore, since the fitting groove is guided and fitted by the protruding piece, the second regulating part easily and reliably engages with the first regulating part.

[Brief explanation of the drawing]

Fig. 1 is an enlarged cross-sectional view of the main part of a grass collecting device according to an embodiment of the present invention when it is connected to a mower, Fig. 2 is an enlarged cross-sectional view of the main part when it is disconnected from the mower, and Fig. 3 4 is a perspective view of the main parts of the grass collection duct, FIG. 4 is a perspective view of the main parts of the mower, FIG. 5 is a plan view of the mower installed, and FIG. 6 is a side view of the mower installed. be. 1... Tractor, 7... Mower, 14... Grass collection box, 16... Grass collection duct, 19... Bent pipe section,
24...First regulation section, 25...Second regulation section, 2
6, 27, 28, 35, 38, 39... engaging portion.

Claims (1)

[Scope of utility model registration request] In the grass collecting device in which a grass collecting duct that communicates the mower with a grass collecting box is connected to one side in the lateral direction of the mower, the mower is provided with a first regulating part,
The grass collection duct is provided with a second regulation part that can be freely engaged and detached from the first regulation part, and the mower and the grass collection duct can be attached and detached by engaging and disengaging these first and second regulation parts. The one regulating part includes a folded piece formed by folding upward from the mower side toward the lateral grass collection duct side, and an upwardly protruding shape that is located at a distance from the folded piece on the lateral grass collection duct side. The second regulating portion includes an engaging piece that is removably inserted into and engaged with the inside of the folded piece, and a protruding piece formed in the folded piece. A grass collecting device comprising a fitting groove which is removably fitted into the protruding piece from above by vertically swinging the grass collecting duct in the above-mentioned state.