JP3176939U - Cord cutter fixed mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily attach and remove a cord cutter in a mower and to make a fixed attachment firmly and stably.
A cord cutter fixed mounting structure in a mowing machine, wherein a cord cutter 22 is inserted into a fixing hole 13 of a cord cutter communicating with a horizontal direction of a fixture 1 so that both ends of the cord cutter protrude outward. The middle portion of the cord cutter 13 is pressed and fixed at the end of a fixing screw 20 screwed into the fixture 1 in the vertical direction.
[Selection] Figure 2

Description

  This invention relates to a fixed attachment structure of a cord cutter in a mower.

  Recently, cutters made of nylon cords are used in mowers. At that time, the cutter is fixedly attached to an attachment used to be connected to the drive unit of the mower, and the attachment is conventionally performed by locking and fixing the end portion of the nylon cord to the attachment. Usually, four cutters are attached in a radial pattern and need to be replaced when they become old with use. At that time, each one was removed and a new one was attached, but the replacement work was very time-consuming. In addition, a large centrifugal force is applied to each of the cutters during use, and something may collide with the cutters. For this purpose, the cutters must be attached extremely firmly, and locking and fixing are performed stably. Otherwise, there was a risk that the cutter would come off.

  This invention has been made in view of the above circumstances, and is intended to make it possible to easily attach and detach a cord cutter in a mowing machine, and to perform fixed attachment firmly and stably.

  This invention is a cord cutter fixed mounting structure of a mower, and the cord cutter is inserted and arranged in a fixing hole of the cord cutter communicating with the horizontal direction of the fixture so that both ends protrude outwardly. It is a fixed attachment structure of the cord cutter performed by pressing and fixing the middle part of the fixing part at the end of the fixing screw screwed into the attachment tool in the vertical direction.

  According to the above configuration, the cord cutter can be easily attached by inserting the cord cutter into the cutter fixing hole and tightening the fixing screw. Since the middle portion is pressed and fixed, both ends are similarly loaded during operation and are not pulled to one side, so the cord cutter is firmly fixed. The cord cutter can be pulled out of the cutter fixing hole and removed by loosening the fixing screw. In particular, two fixing holes are provided so as to cross each other at each central position, and two cord cutters are inserted and arranged so that each fixing hole crosses each other, and the two cord cutters are fixed at the central position. By being configured to be integrally pressed and fixed at the end of the screw, two cord cutters can be attached simultaneously by tightening one screw.

  According to this device, the cord cutter in the mower can be easily attached and detached, and the fixed attachment can be performed firmly and stably.

  External appearance perspective view of embodiment of fixed attachment structure of cord cutter of this device   Vertical sectional view of an embodiment of the fixed attachment structure of the cord cutter of this invention   Cross-sectional view in the horizontal direction of the main part of the embodiment of the cord cutter fixed mounting structure of the present invention

  FIG. 1 is an external perspective view of an embodiment of a cord cutter fixed mounting structure according to the present invention, and FIG. 2 is a vertical sectional view thereof. Reference numeral 1 denotes a cord cutter attachment, and two nylon cord cutters 22 are attached to the attachment so as to cross each other.

  The fixture 1 includes an upper member 2 and a lower member 3, both of which are made of an aluminum alloy. The upper member 2 has a cylindrical shape and is formed with a screw 5 on the inner peripheral surface. The upper surface portion 6 is provided with a connection hole 7 for a driving portion of the mower. The lower member 3 is provided with a protrusion 10 having a screw 8 formed on the peripheral surface and a cylindrical recess 9 formed in the center on the upper surface, and the base 11 has a cord cutter as shown in FIG. Two fixing holes 13 are provided so as to intersect at right angles at the center position. The upper surface portion 12 of the base portion 11 is provided with a screw hole 15 so as to communicate the position where the fixing hole 13 of the cord cutter intersects with the lower portion of the recess 9. The upper member 1 and the lower member 2 are integrated with each other by screws 5 and 8 being screwed together. At that time, the fixing screw 20 is temporarily mounted in the screw hole 15 in advance. As the fixing screw 20, a hexagonal wrench compatible screw is used.

  Next, a procedure for attaching the cord cutter 22 will be described. Two nylon cord cutters 22 are inserted and disposed in each cutter fixing hole 13 with both ends protruding outward by a predetermined length. In that state, the fixing screw 20 is screwed in using the hexagon wrench 24. By virtue of this screwing, the central positions of the cord cutters 22 that are positioned in an overlapping manner are pressed against the inner surface of the lower surface portion 14 of the base portion 11, thereby firmly fixing the cord cutters 22. Done. By loosening the fixing screw 20, the cord cutter 22 can be pulled out from the cutter fixing hole 13 and removed.

  As described above, the cord cutter 22 can be easily and firmly attached by simply inserting the cord cutter 22 into the cutter fixing hole 13 and tightening the fixing screw 20, and the cord cutter 22 can be simply loosened. 22 can be removed. In particular, since the two cord cutters 22 are attached and detached simultaneously by operating one screw, the operation is extremely easy.

1 Fixing Tool 13 Cutter Fixing Hole 20 Fixing Screw 22 Cord Cutter

Claims (2)

It is a fixed mounting structure for the cord cutter of the mower.
The cord cutter is inserted into a fixing hole of the cord cutter that communicates in the horizontal direction of the fixture so that both ends of the cord cutter protrude outward, and the middle portion of the cord cutter is screwed into the fixture in the vertical direction. A fixing structure for a cord cutter that is pressed and fixed at the end of a fixing screw.   Two fixing holes are provided so as to cross each other at their center positions, and two cord cutters are inserted and arranged so as to cross each of the fixing holes, and the two cord cutters are positioned at the center position. The fixed attachment structure of the cord cutter according to claim 1, wherein the fixing portion is integrally pressed and fixed at an end portion of the fixing screw.

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