JPS6324814A - Grass gathering container structure of lawn mower - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The great invention is to move the cut grass t-duck l-
and a cut grass supply path configured to supply the grass to the grass collection container through the grass collection container, and to cause the conveying air from the duct to flow toward the inner back side of the grass collection container, in a direction opposite to the inflow direction of the cut grass. The present invention relates to a grass collecting container structure for a lawn mower, which includes an exhaust port for conveying upwind, guiding and outflowing the grass, and an air exhaust path 1fr formed in communication with the exhaust port, and a landscape sensor is provided in the air exhaust path.

[Conventional technology]

There are nine types of lawn mowers constructed as described above to detect when the grass collecting container is full of cut grass. In this configuration, the grass clippings are accumulated one after another from the innermost side, and when the grass collecting container is nearly full with clipped grass, the exhaust port is blocked by the clipped grass. As a result, the ventilation path 2
The air volume sensor detects a sudden decrease in the amount of exhaust air passing through the plant and determines that the grass collection container is full of grass clippings (!-).

[Problem that the invention seeks to solve]

Once it reaches the opening of the exhaust port (!L), the exhaust air flowing out from the exhaust port (OL) will decrease rapidly, so the grass collection container (7)
The landscape sensor α rises to accurately detect the full state of the air vent, but on the other hand, if the air permeability is good, as shown in Figure 2, even if the grass is completely blocked, There are cases where the R-view of the exhaust air flowing out from the exhaust port (+1) is not sufficiently reduced, and even if the grass collection container (7) is full, it cannot be detected by the full-scenery sensor α (to). .

The present invention has focused on the above-mentioned problem, and aims to provide a grass collecting container structure that can accurately detect the full state of the grass collecting container in accordance with changes in the state of cut grass.

[A precautionary measure to resolve the problem]

The feature of the present invention is that in the structure of the grass collection container of the lawn mower described above, the position of the exit port of the exhaust port can be changed freely in the depth direction of the grass collection container, and its functions and effects are as follows. It is as follows.

[For production]

When mowing grass that has accumulated and has poor ventilation, position the exhaust port away from the inside of the grass container (7) as shown in Figure 2, so that the grass container (7) can Almost at the same time when the tank is full, the exhaust port (11) is covered with grass clippings. In this case, because the air permeability of the grass clippings is poor, the conveying wind flows through the grass clipping supply path (1
Even if the layer of cut grass from 0) to the exhaust port (11) is thin, the conveying wind can be sufficiently blocked, and the amount of air flowing out from the exhaust port (11) is rapidly reduced.

On the other hand, in the case of mown grass with good air permeability, if the opening of the exhaust port (11) is located on the inner back side along the depth □ direction, as shown in Fig. When the grass container is almost full of grass, the layer of grass clippings from the grass supply path tlol to the exhaust port (II) will be sufficiently thick, so even if the ventilation is good, the transportation will not be possible. [Effects of the invention] As described above, even if the condition of the cut grass varies, it is possible to accurately detect the full state of the grass collecting container. As a result, the lawn mower's grass collection container full detection performance was the same as above.

〔Example〕

Hereinafter, embodiments of the present invention will be explained based on the drawings.

As shown in Figure 4, it is supported by the front wheels: 1) and the rear wheels (2), the engine (3) is at the front of the fuselage, the control section +4+t is located at the center of the fuselage, and the two wheels are supported by the rear wheels (2). 11, +21
The mower (6) installed between the ducts (6) will cut the mower (6).
) The riding-type lawn mower ``1'' is configured so that the grass is fed into the grass collecting container (7) at the rear of the machine by fully opening the valve.

Next, the structure of the grass collecting container (7) will be described in detail. As shown in FIGS. Flexible upper hood (
8) and a grass collector body (9) divided into two left and right chambers by a central partition plate (9a)K. Then, the duct (6) from the mower (6) is connected to the upper 7-d (8).
) is inserted through the opening on the front side of the duct (
The grass clippings that are fed into the grass collecting container (71 yen) by the conveying wind from 6) are formed in the upper hood (8), pass through the cut grass supply path 001k, and enter the inner pane of the collecting container wooden body (9). Send it to the substitute side! Let's go.

To explain in more detail, a partition plate α extends downward from the upper part 7-door (8) as shown in the figure, and this partition plate θ
An exhaust port (Ill) is formed between the grass collector body (9) and the side wall of the grass collector body (9). A propeller-type air volume sensor α3 is installed in the air exhaust path α21.

The partition plate (14) includes an auxiliary partition plate (1
4a) is slidably attached to the bottom side of the grass collector body (9), and by sliding this auxiliary partition plate (14a) to the bottom side of the grass collector body (9), the exhaust port (11 ) is changed in the depth direction of the grass collecting container (7) between the upper door (8) and the bottom of the grass collecting device main body (9).

The state in which the grass clippings block the exhaust port (11) is as shown in the [Function] section and Figures 2 and 8, when the grass collection container (7) is full of grass clippings and the grass is blocked from the exhaust port (11). When the number of m-views flowing into the air exhaust path 021 decreases and the rotation speed of the airflow sensor α4 becomes lower than the set value, this is detected electrically and a buzzer or lamp (not shown) is activated to alert the operator. This is a warning.

[Another example]

In the aforementioned implementation row, the upper hood (8) as shown in FIG.
The exhaust port (Ill, exhaust Rway 021) is installed on the left side of the
8) Also on the right side of the
iM sensor 03) t - may be added to this structure 0

[Brief explanation of the drawing]

The drawings show an embodiment of the grass collection container structure for a lawn mower according to the present invention, and Fig. 1 is a longitudinal sectional front view of the grass collection container, and Fig. 2 shows a position where the exhaust port is away from the inner back side of the grass collection container. Conveying air flow t at
FIG. 3 is a diagram showing the flow of the conveying air when the exhaust port approaches the inner back side of the grass collecting container and is in a fixed position, and FIG. 4 is an overall side view of the riding lawn mower. (5)...More, f6)-...Duct, (7)...Grass collection container, +101-...
...Mowed grass supply path s00...Exhaust port, α2...
...Exhaust duct, (13)...R view sensor. Agent Patent Attorney Osamu Kitamura Figure 4

Claims (1)

[Claims] The cut grass is transferred to the duct (6) by the conveying wind from the mower (5).
), and the conveying air from the duct (6) is supplied to the grass collecting container (7) through the grass collecting container (
7), a cut grass supply path (10) that causes the grass to flow in toward the inner back side, an exhaust port (11) that guides and discharges the conveying air in the opposite direction to the grass cut inflow direction, and the exhaust port (11). A grass collection container structure for a lawn mower, which is provided with an air exhaust passage (12) formed in communication and is equipped with an air volume sensor (13) in the air exhaust passage (12), wherein the opening of the exhaust port (11) is provided. A grass collection container structure for a lawn mower whose position can be changed freely in the depth direction of the grass collection container (7).