JPH0555839U - Turntable for cord-type mowers - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a turntable for a mower that has good work efficiency, can be used safely, and has prevented wear of the cord. [Constitution] Reel around the cutter cord (10)
(1) and a circular ring body (5) slidably mounted on the circular ring body (5), and the circular wall (6) of the circular ring body (5) has a cord outlet ( 7) is formed in the outlet
Pins on both ends of (7) to prevent wear of the cord.
(8) is provided in the width direction, over the pair of horizontal walls (2a) (2b) of the U-shaped portion of the reel (1), close to the vertical wall (3),
A turntable for a cord-type mower, which is provided with a guide pin (4) for inserting a cord.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 According to the present invention, a plurality of cords having a required length are attached to a reel of a turntable attached to a rotary drive shaft so that the outer ends of the cords project from the torus, and the turntable is rotated to remove the cord from the outside. The present invention relates to a turntable for a cord-type mower that cuts grass by hitting its edges at high speed.

[0002]

[Problems to be Solved by Prior Art and Invention]

 Conventionally, this type of mower has been designed by cutting the cord into short pieces with a certain size in advance, and attaching the inner ends of each of these short cords to a rotating disc, or winding a longer cord around the reel inside the case, It was known to use the outer end of the case by pulling it out of the case to an arbitrary length.

However, while the former mower has a simple structure and is safe, it has a drawback in that the wear cord must be replaced with a new one each time the cord is worn, and the work efficiency is low.

Further, the latter mower has an advantage in that the cord can be used continuously and the cord can be economically used, but in order to wind the cord around the reel, the rotating part is disassembled or the reel is removed from the case. , It was necessary to reassemble after winding the cord. This winding and assembling work is very troublesome. Moreover, since this work is usually performed by a mowing operator, if the worker is not skilled, the mowing machine itself rotates at high speed, which poses a serious safety problem.

In view of the above situation, an object of the present invention is to provide a turntable for a mower that has good work efficiency, can be used safely, and prevents the wear of the cord.

[0006]

[Means for Solving the Problems]

 As shown in FIG. 1, the present invention comprises a reel (1) around which a cutter cord (10) is wound, and an annular body (5) slidably mounted on the reel (1). ) Is formed with a cord-shaped outlet (7) in the shape of a hole in the circumferential direction in the peripheral wall (6), and pins (8) for preventing wear of the cord are provided at both ends of the outlet (7). Provided in the width direction, a guide pin (4) for inserting a cord is provided near the vertical wall (3) across the pair of horizontal walls (2a) (2b) of the U-shaped portion of the reel (1). It is a turntable in a cord-type mower characterized by the fact that

In the present invention, a detachable turntable holder (11) may be attached to the lower center of the reel (1) of the turntable.

[0008]

【Example】

 Next, an embodiment of the present invention will be specifically described with reference to the drawings.

Referring to FIG. 1, a turntable according to the present invention includes a cord winding reel (1), an annular body (5) slidably mounted on the reel (1), and a reel (1) which is attached to and detached from a central lower portion of the reel. It is composed of a turntable support (11) that is freely attached (see FIG. 2).

On the peripheral wall (6) of the torus (5), two elongated cord-shaped outlets (7) are formed in the circumferential direction so as to face each other, and at both ends of the outlet (7), respectively. A pin (8) for preventing abrasion of the cord is provided in the width direction so as to be rotatable around the shaft (9). The pin (8) has a constricted part (8a) near the lower end, and the part below the constricted part (8a) is formed in a cone shape, and the upper part is formed in an inverted cone shape (Fig. 4). And FIG. 7).

Further, a columnar guide pin (4) for inserting the cord is provided on the pair of horizontal walls (2a) (2b) of the U-shaped portion of the reel (1) and near the vertical wall (3). There is. Then, the cord (10) is hooked back to the guide pin (4) and wound around the reel (1).

In the above structure, in order to wind the cord (10) around the reel (1) in the counterclockwise direction, one end of the cord (10) is first inserted into the turntable through the one outlet (7). Then, as shown in FIGS. 3 and 4, one end of the cord (10) is inserted between the guide pin (4) for inserting the cord and the vertical wall (3), and the other end (7) is pulled out. Pull out. After making the lengths of the cord (10) from both outlets (7) almost equal, rotate the reel (1) counterclockwise with respect to the torus (5) as shown in FIG. As a result, the cord (10) is hooked on the guide pin (4) in a folded manner. From this state, by further rotating the reel (1) counterclockwise, the cord (10) is tightly wound around the reel (1) and protrudes outward from each outlet (7) by the required length. Will be issued.

During the mowing work, the projecting portion (10a) of the cord (10) rotates together with the turntable, and this portion (10a) becomes a stick state to perform mowing. As shown in Fig. 6, the projecting part (10a) of the cord (10) moves between the both ends of the outlet (7) by the impact of cutting the grass, but the both ends of the outlet (7). Since a pin (8) with a circular cross section is provided in the width direction of the cord, the cord (10) is prevented from directly hitting and bending the both ends of the outlet (7) to prevent abrasion. it can. Further, the constricted part (8a) of the pin (8) is located near the lower end of the pin (8) as described above, and the projecting part (10a) projects from the rotary disk at the height of the constricted part (8a). , As close to the ground as possible. As a result, the grass is cut near the root.

When the protruding portion (10a) of the cord (10) is worn due to mowing, the cord (10) wound around the reel (1) is pulled out by a required length to wear the cord. The cut part should be cut.

Further, since the turntable support (11) is detachably attached to the lower center of the reel (1) of the turntable, the lower surface of the support (11) can be removed by long-term mowing work. If it wears out, only the support (11) needs to be replaced, which is safe and economical.

[0016]

[Effect of the device]

 According to the present invention, the guide pin (4) for inserting the cord is provided on the pair of horizontal walls (2a) (2b) of the U-shaped portion of the reel (1) and near the vertical wall (3). However, the cord (10) can be wound in a short time and easily without disassembling the turntable and removing the reel as in the conventional case.

Since the pins (8) are provided in the width direction at both ends of the cord outlet (7) formed in the peripheral wall (6) of the torus (5), respectively, Wear of (10) can be prevented. Furthermore, by using a pin (8) with a special shape as shown in the example, the cord (10) protrudes from the lower part of the cord outlet (7) during mowing work, so the grass can be removed from the root. Can be mowed and has good workability.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a turntable according to the present invention.

FIG. 2 is an exploded perspective view of the turntable of FIG.

FIG. 3 is a plan view showing a state in which a cord is wound around a reel.

4 is a cross-sectional view taken along line IV-IV in FIG.

FIG. 5 is a plan view showing a state in which a cord is wound around a reel.

FIG. 6 is a partially enlarged view of the turntable of FIG. 1.

FIG. 7 is a view taken along the line VII-VII in FIG.

[Explanation of symbols]

 (1) ... Reel (2a) (2b) ... Horizontal wall of reel (1) (3) ... Vertical wall of reel (1) (4) ... Guide pin for cord insertion (5) ... Torus (6) … Circular wall of torus (5) (7)… Cord outlet (8)… Pin (10) for preventing abrasion of cord… Cord for cutter

Claims (1)

[Scope of utility model registration request] 1. A reel (1) around which a cord (10) for a cutter is wound, and an annular body (5) slidably mounted on the reel, and a peripheral wall (6) of the annular body (5). A cord-like outlet (7) in the shape of a hole is formed in the circumferential direction, and pins (8) for preventing wear of the cord are provided at both ends of the outlet (7) in the width direction. A guide pin for inserting the cord is placed over the pair of horizontal walls (2a) (2b) of the U-shaped part of the reel (1) toward the vertical wall (3).
(4) is provided, the turntable in the cord type mower characterized by the above.