JPH0220913Y2 - - Google Patents

Description

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

(Prior Art) Conventionally, an arm-shaped control lever is fixed directly to a housing equipped with a driving wheel such as a small engine that drives a lawn mowing blade, and the rotation and other aspects of the prime mover are controlled by the control rod. Lawn mowers that are driven by pushing the mower are known.

(Problems to be Solved by the Invention) If the control rod is directly fixed to the housing, when mowing a sloped surface, the inclination of the control rod will not match the operator's position, making it difficult to operate.

The object of the present invention is to provide a lawn mower that is easy to maneuver.

(Means for Solving the Problems) In the present invention, in a case where a control rod is attached to a housing equipped with a driving wheel and a driving wheel for driving a lawn mowing blade, a control rod is attached to the housing so as to be horizontally swivelable. a first locking device for interlocking the housing and the rotating member; a second locking device for interlocking the rotating member and the operating lever; A device is provided to connect both locking devices to the operating member of the control rod.

(Function) When the prime mover is rotated to drive the blade, for example, when the control rod is pressed, the housing runs on the running wheels and mowing the lawn within the rotation area of the blade. When the operating member of the rod is operated, the first and second locking devices are released.

The control rod is attached to a rotating member so as to be able to swing up and down, and the rotating member is further attached to the housing so that it can be rotated, so that the control rod can be universally tilted with respect to the housing, making it suitable for traveling on slopes. When the control lever is tilted to the correct position, the operating member is operated again to activate the first and second locking devices, thereby fixing the positional relationship between the housing and the control lever.

Therefore, when driving the lawn mower on a slope, the control lever can be easily changed to a position where it can be easily operated.
Good operability.

(Example) Embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, 1 is a housing equipped with a driving wheel 4 and a prime mover 3 of an internal combustion engine that drives a lawn mower blade 2, and 5 is a control lever attached to the housing 1 to control the prime mover 3. When the control lever 5 is pressed while the rotation is controlled by the control lever 6, the lawn mower 7 runs on the running wheels 4, and the grass cut by the mowing blade 2 is stored in the bag 8.

The details of the attachment part of the control rod 5 to the housing 1 are as shown in FIGS. 2 and 3, and the circular hole part 9a of the swing member 9 is attached to the cylindrical upper part 1a of the housing 1 so as to be horizontally swingable. The rotary member 9 is fitted into the housing 1, and the rotating member 9 is prevented from coming off by a flat first gear 10 fixed to the housing 1.

A first locking device 13 is constituted by the first gear 10 and a first claw piece 12 which is pivotally attached to the upper surface of the rotating member 9 by a shaft 11, and the first claw piece 12 is supported by a first spring 14. The first shaft is pulled and rotates around the shaft 15.
It is pushed by a first cam protrusion 17 provided integrally with the swinging piece 16 and engages with the first gear 10 .

Due to the engagement of the first gear 10 and the first claw piece 12, the pivoting member 9 is brought into a state of relative engagement with the housing 1.

18 is a first claw piece 12 formed on the first swing piece 16
When the first swing piece 16 is pulled against the first spring 14 by the wire 20 connected to the operating member 19 of the control rod 5, the engagement hole 18 engages with the pin 12a. pulls the pin 12a and releases the first claw piece 12.
and the first gear 10 are disengaged.

The root of the control rod 5 is inserted into a pair of shaft holes 21, 21 formed opposite to each other on the sides of the rotating member 9.
2 so as to be able to swing up and down, and a second gear 23 is provided integrally with the control rod 5 on the side of one shaft 22.

A second locking device 26 is constituted by the second gear 23 and a second pawl 25 pivotally attached to the side of the rotating member 9 by a shaft 24, and the second pawl 25 is connected to a second spring 27. The second
It is pushed by a second cam protrusion 30 provided integrally with the swinging piece 29 and engages with the second gear 23 .

Due to the engagement of the second gear 23 and the second pawl piece 25, the rotating member 9 and the control rod 5 are in a relatively engaged state, and if the rotating member 9 is in the engaged state with the housing 1 at this time, the control rod 5 can also be brought into engagement with the housing 1.

If the first and second locking devices 13 and 26 perform the locking operation simultaneously, the housing 1, the rotating member 9, and the control rod 5 can be engaged simultaneously. 29 with the claw pieces 16
When the first swing piece 16 is pulled by the wire 20 of the operating member 19 and swings, the claw pieces 16a and 29a engage with each other, and the second swing piece the piece 29 is swung against the second spring 27;
The pin 25a of the second claw piece 25 is pulled by the engagement hole 31 of the second swing piece 29, and the second claw piece 25 and the second gear 23
The engagement with is released.

Thus, when mowing grass on a slope with the lawn mower 7, the first and second lock devices 13 and 26 are released by simply operating the operating member 19, and the control rod 5 can be moved to any position relative to the inclination of the housing 1. The lawn mower 7 can be moved and then set, improving the operability of the lawn mower 7.

(Effect of the invention) As described above, in the present invention, the housing is provided with a turning member that can freely turn horizontally, a control rod is attached to this, and the housing and the turning member are operated by the first and second lock devices operated by the operating member of the control rod. Since the member and the control rod are engaged and disengaged at the same time, the control rod can be tilted at will, and there are effects such as facilitating the operation of mowing the lawn by moving the lawn mower onto an inclined surface.

[Brief explanation of drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention, FIG. 2 is an enlarged view of the main parts thereof, and FIG. 3 is a cutaway plan view of the portion taken along the line - in FIG. 2. 1... Housing, 2... Lawn mowing blade, 3...
... Prime mover, 4... Running wheels, 5... Control rod, 9...
Rotating member, 13...first lock device, 19...operating member, 26...second lock device.

Claims (1)

[Scope of utility model registration request] In a case where a control rod is attached to a housing provided with a prime mover and a running wheel for driving a lawn mowing blade, a swing member is provided on the housing so as to be able to freely turn horizontally, and the control rod is attached to the housing so as to be able to swing vertically. A first locking device that locks the housing and the rotating member to each other, and a second locking device that locks the rotating member and the control rod to each other are provided, and both lock devices are connected to the operating member of the controlling rod. A swinging device for a lawn mower that is connected to each other.