JPH0618421Y2 - Grass collection bag attachment device for grass collection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of use) The present invention relates to a grass bag attachment device for a grass collection device.

(Prior Art) A grass collection device is detachably attached to a support frame that is erected on the rear part of a vehicle body, and grass cutting equipment is introduced into the grass collection bag through a duct. There is one described in Japanese Patent No. 60-94037.

In the above-mentioned one, an upper lid for opening and closing the upper opening of the grass collection bag is pivotally attached to the upper end portion of the support frame, an opening frame is provided at the periphery of the opening of the grass collection bag, and the front side of this opening frame is hooked. A tool is provided, and the hooking tool is hooked to the hooking portion of the support frame so as to be freely hooked and detached from the upper side.

(Problems to be solved by the invention) In the above-mentioned conventional one, when removing the grass after the grass bag is filled with the grass, the upper lid is turned largely upward and then the grass bag is removed. The work had to be complicated because the hooks had to be lifted up to disengage the hooks.

Therefore, an object of the present invention is to provide a grass collection bag attachment device for a grass collection device that allows easy attachment and detachment of the grass collection bag.

(Means for Solving the Problem) The technical means taken by the present invention to achieve the above-mentioned object is to attach a grass collection bag 12 to a support frame 11 erected on the vehicle body 2 in a detachable manner, and to collect the grass. In a grass collecting device that includes an upper lid 21 that swivels an upper opening 23 of the bag 12, and an opening frame 25 is provided on the peripheral edge of the opening 23, one side of the opening frame 25 can be hung from the supporting frame 11 in the lateral direction. And the other side of the opening frame 25 and the support frame.
It is at a point fixed by a fixing pin 29 penetrating through 11.

(Operation) To attach the grass collection bag 12 to the support frame 11, the grass collection bag 12
After one side of the opening frame 25 provided at the periphery of the upper opening 23 is removably engaged with the support frame 11 from the lateral direction, the fixing pin 29 is penetrated to the other side together with the support frame 11. To remove the grass collection bag 12, the fixing pin 29 is pulled out from the opening frame 25 and the engagement with the support frame 11 is removed in the lateral direction, so that the grass collection bag 12 is easily removed downward.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 4 shows a walk-behind grass cutter, in which an engine 8, a transmission case 9 and the like are mounted on a vehicle body frame 1 having caster wheels 6 and drive wheels 7 to form a vehicle body 2. Further, below the vehicle body frame 1, a mower 3 is hung vertically via a parallel link 4 and grounded via a gauge wheel 5.

A grass collection bag 12 is attached to the rear portion of the vehicle body 2 via a support frame 11, and a pair of left and right handles 13 are arranged above and behind the vehicle body 2. The handle 13 extends rearward and upward from the rear part of the vehicle body 2, extends rearward from the upper end of the handle 13 across the upper part of the grass collection bag 12, and has the other end as a grip portion 14.

The support frame 11 has a pair of left and right columns 15 and a horizontal rod 16 installed on the upper ends thereof in the left-right direction. The lower end of the pillar 15 is fixed to a mounting plate 17 which is bolted to the rear end of the body frame 1. Brackets 18 and 19 formed by bending a band plate material are fixed to both left and right ends of the horizontal rod 16, and one side (left side) of the bracket 18 is L-shaped in a plan view. The to-be-engaged member 20 is welded. The engaged member 20 is formed by bending a plate material, and has an L shape when viewed from the rear. The bracket 19 on the other side (right side) has a U-shape in plan view and is opposed to the bracket 18. An upper lid 21 for swiveling the grass collection bag 12 is fixed to the brackets 18 and 19 with bolts or the like, and a duct 22 is connected to the upper lid 21. The duct 22 is connected to the side of the mower deck of the mower 3, and the grass cut by the mower 3 is thrown into the grass collecting bag 12 through the duct 22.

The grass bag 12 is made of canvas, plastic sheet, or the like, and a bag-shaped portion 24 is formed at the upper edge of the opening 23, and an opening frame 25 is provided in the bag-shaped portion 24. The opening frame 25 is formed in a rectangular shape in a plan view with a straight tubular body 26 and a U-shaped tubular body 27 in the front-rear direction, and both front and rear ends of the straight tubular body 26 are exposed. In addition, the bag-shaped portion 24 facing the linear tubular body 26
The cylinder 27 is exposed by being cut out corresponding to the member 20 to be engaged, and the exposed portion serves as the engaging portion 28. The engaging part
28 is removably engaged with the engaged member 20 in the left-right direction (lateral direction), and the fixed pin 29 penetrating the edge portion of the upper lid 21, the horizontal rod 16 and the bracket 19 is inserted into the linear tubular body 26 from the rear side. It is inserted freely. A pinch portion 30 is provided at one end of the fixing pin 29, and the other end is retained by a β pin 31 or the like.

When the grass collecting bag 12 is filled with grass, the fixing pin 29 is pulled out backward, the grass collecting bag 12 is moved to the right side, and the engaging portion 28 is separated from the engaged member 20, so that the grass collecting bag 12 is lowered. It can be easily removed to the side. Further, in order to attach the grass collection bag 12, it is sufficient to perform the operation reverse to the above.

In addition, a hole is formed in one side of the opening frame 25 and the support frame 11, and a projecting portion which is inserted into the hole so as to be inserted into and removed from the lateral direction is provided in the other side, whereby the opening frame 25 is supported by the supporting frame. You can hang on 11th. Alternatively, one of the front and rear sides of the opening frame 25 may be engaged with the support frame 11, and the other side may be fixed by the fixing pin 29.

5 and 6 show the steering belt winding transmission device 32, which transmits the power of the transmission shaft 33 protruding from the transmission case 9 to the drive wheels 7. Power is transmitted from the engine 8 to the transmission shaft 33 via a transmission mechanism (not shown).

A pair of the transmission devices 32 are provided for the left and right drive wheels 7, a transmission pulley 34 rotatably fitted on the transmission shaft 33, a driven pulley 36 fitted on the drive wheel axle 35, and both pulleys 34. , 36
And a belt 37, etc. 38 is a fixed pulley for preventing the belt 37 from coming off. One of the pawls 39 of the meshing clutch is formed on the transmission pulley 34, and the other is formed on the transmission shaft 33.
The shifter 40 is slidable on the top. Shifter
A bearing 41 is fitted over the 40, and the bearing 41 has a cylindrical shaft.
A shift pin 44, which is rotatably provided on a fixed shift lever 43, is slidably fitted on the 42. The cylinder shaft 42 has a shaft 45.
Is internally fitted and fixed, and the rotation of this shaft 45 causes the shift lever 43
Oscillates, the shifter 40 slides on the transmission shaft 33 through the shift pin 44 and the bearing 41, and the engagement and disengagement of the claw 39 is performed. A rod 48 is connected to the shaft 45 via a connecting plate 46, a pin 47 and the like, and the rod 48 is interlocked with a middle part of a swing arm 50 which is vertically swingable around a support shaft 49.
The swing arm 50 is biased clockwise by a tension spring 51 in FIG. 5, and at this time, the claw 39 of the clutch is engaged. Further, one end of a braking push-pull wire 52 is connected to the tip of the swing arm 50, and the other end of this wire 52 is attached to the handle 13 so as to swing freely.
Are linked to. By gripping the lever 53, the swing arm 50 swings counterclockwise against the elastic force of the spring 51 to push up the rod 48, and the shaft 45 rotates clockwise in FIG. The engagement of the claw 39 is released. As a result, power is not transmitted to the drive wheels 7. Also, at this time, the brake belt connected to the swing arm 50 via the rod 54 and the like.
55 is pressed against the drum 56 fixed to the driven pulley 36, and the drive wheel 7 is braked at the same time when the power transmission to the drive wheel 7 is released.

(Effect of the Invention) According to the present invention, one side of the opening frame 25 provided at the periphery of the upper opening 23 of the grass collection bag 12 is movably engaged with the support frame 11 from the lateral direction, and the other side is opened. Since the fixing pin 29 that penetrates 25 and the support frame 11 is fixed, by pulling out the fixing pin 29 and moving the opening frame 25 in the lateral direction to remove the engagement with the support frame 11,
The grass bag 12 is removed, and the grass bag 12 is attached by the reverse operation. As a result, there is no need to open and close the upper lid and to lift a heavy grass-collecting bag full of grass, which is required in the related art, and the work of attaching and detaching the grass-collecting bag 12 is facilitated.

[Brief description of drawings]

The drawings show an embodiment of the present invention, FIG. 1 is a plan view, FIG. 2 is a side sectional view, and FIG. 3 is a sectional view taken along the line III-III of FIG.
FIG. 4 is an overall side view of the walk-type grass cutter, FIG. 5 is a side view of the steering belt winding transmission device, and FIG. 6 is a rear view of the same. 2 ... car body, 11 ... support frame, 12 ... grass collection bag, 21 ... top lid, 23
… Opening, 25… Opening frame, 29… Fixing pin.

Claims (1)

[Scope of utility model registration request] 1. A grass collecting bag on a support frame 11 provided upright on the vehicle body 2.
12 is detachably attached, the upper opening 23 of this grass collection bag 12
An upper lid 21 for swiveling, and an opening frame 25 around the opening 23.
In the grass collecting device provided with, one side of the opening frame 25 is removably engaged with the support frame 11 from the lateral direction, and the other side is fixed with a fixing pin 29 penetrating the opening frame 25 and the support frame 11. A grass collecting bag mounting device for a grass collecting device.