JPH0228002Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a guide bar side plate holding fitting for a guide bar that guides and supports a saw blade chain of a chainsaw.

BACKGROUND ART Conventionally, at the attachment point of a guide bar that guides and supports a saw blade chain of a chainsaw to a chainsaw body, an outer guide bar side plate is provided to prevent the chain from separating from the guide bar outward or inward. and an inner guide bar side plate are fixed to the main body side and the guide bar side with screws or the like, respectively, in order to facilitate handling during maintenance and inspection. In particular, the inner guide bar side plate installed between the main body and the guide bar also serves as a cover for the lubricating oil passage etc. provided on the main body side, so normally,
At the position corresponding to the longitudinal elongated hole of the guide bar,
It was fixed to the main body with screws. With this conventional structure, screw holes must be machined in the main body, and there are problems such as the screws loosening due to the vibrations that occur during use of the chainsaw, and falling off and being lost when removing the guide bar. It was hot.

Problems to be Solved by the Invention Therefore, an object of the invention is to provide a chain saw guide bar side plate holding fitting that solves the problems of the fixing structure of the inner guide bar side plate to the main body.

Means for Solving the Problems That is, the configuration of the present invention includes a pair of guide bar mounting stud bolts that are installed at a predetermined interval on one side of the chainsaw body, and a pair of guide bar mounting bolts that are inserted into the side of the chainsaw body by passing through these bolts. A chainsaw having an inner guide bar side plate that contacts the inner guide bar side plate, a guide bar that allows the bolt to pass through its elongated hole and contacts the inner guide bar side plate, and an outer guide bar side plate that allows the bolt to pass through and contacts the outside of the guide bar. A presser metal fitting made of an elastic plate-like material that is slightly longer than the interval between the two bolts is curved between the bolts, and its both ends are bridgingly locked to the bolts, thereby locking and holding the inner guide bar side plate to the main body. .

Therefore, according to the configuration of the present invention, the inner guide bar side plate is locked and held to the chainsaw body by the elastic force of the presser metal fitting made of the plate-shaped material, so that the inner guide bar can be fixed by simply deforming the plate-shaped material. The bar side plate can be attached and detached, and parts processing, assembly, storage management, etc. are easy, and after assembly, there is no risk of loosening of the tightening and fixing due to vibration etc.

Embodiments The present invention will be described below with reference to embodiments shown in the drawings. A pair of guide bar mounting stud bolts 2 and 3 are installed at a predetermined interval in a longitudinal direction of the guide bar 4 on one side of the chainsaw main body 1 near the front. First, the inner guide bar side plate 5 is inserted through the bolts 2 and 3, and is fixed to the side surface of the main body 1 by a presser metal fitting 6 according to the present invention.

The presser metal fitting 6 is made of a plate-like material such as elastic spring steel, and both ends 7 and 8 in the longitudinal direction thereof are formed in a shape that matches the outer shape of the bolts 2 and 3, as shown in FIG. The length of the holding fitting 6 between the ends 7 and 8 is slightly longer than the distance between the bolts 2 and 3. As shown in FIG. 1, the presser metal fitting 6 is disposed between the bolts 2 and 3, with its ends 7 and 8 in contact with the outer peripheral surfaces of the bases of the bolts 2 and 3, respectively, and the center portion of the presser metal fitting 6 is It is curved outwardly, thereby fixing the inner guide bar side plate 5 to the side of the body 1 at both ends 7 and 8.

A guide bar 4 is attached to the outside of the inner guide bar side plate 5. The bolts 2 and 3 pass through the elongated holes 9 in the longitudinal direction of the guide bar 4 and extend outward.
Further, the presser metal fitting 6 is housed in the elongated hole 9 of the guide bar 4 in a curved shape.

An outer guide bar side plate 10 is further attached to the outside of the guide bar 4, and the outer side plate 10 has nuts (not shown) screwed into the outer ends of bolts 2 and 3 passing through the guide bar cover (not shown), respectively. (not shown) is tightened by the guide bar 4.
and is fastened to the side surface of the main body 1 together with the inner guide bar side plate 5.

Furthermore, as another embodiment, circumferential grooves or stepped portions are formed in the outer bases of the bolts 2 and 3 at the engagement portions with the holding fitting 6, and the ends of the holding fitting 6 are formed in the circumferential grooves or stepped portions. 7 and 8 may be engaged to further secure the locking of the inner guide bar side plate 5.

Effects of the invention As described above, according to the structure of the present invention, not only is it unnecessary to form screw holes for fixing the inner guide bar side plate in the chainsaw body, but also the inner guide bar side plate can be fixed by simply deforming the plate material. It can be easily attached to and detached from the main body, making it easy to manufacture and assemble the chainsaw, making it suitable for mass production, and it has many practical effects, such as eliminating the risk of loosening the tightening due to vibrations after assembly, such as when screwing.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a main part of a chainsaw equipped with a guide bar side plate retainer according to the present invention, and FIG. 2 is a plan view of an embodiment of the guide bar side plate retainer shown in FIG. 1. 1... Chainsaw body, 2, 3... Guide bar mounting stud bolt, 4... Guide bar, 5...
...Inner guide bar side plate, 6...Press fitting, 7, 8
...Longitudinal end, 9...Longitudinal elongated hole, 10
...Outer guide bar side plate.

Claims (1)

[Claims for Utility Model Registration] (1) A pair of guide bar mounting stud bolts planted at a predetermined interval on one side of the chainsaw main body, and an inner guide that passes through these bolts and contacts the side of the main body. In the chainsaw, the chainsaw includes a bar side plate, a guide bar through which the bolt is inserted through an elongated hole and in contact with the inner guide bar side plate, and an outer guide bar side plate through which the bolt is passed through and in contact with the outside of the guide bar. A presser metal fitting made of an elastic plate-like material that is slightly longer than the spacing between the bolts is curved between the bolts, and both ends thereof are bridgingly locked to the bolts,
A guide bar side plate presser for a chainsaw, characterized in that the inner guide bar side plate is locked and held to the main body. (2) Utility Model Registration Claim 1. In the chain saw guide bar side plate holding fitting as set forth in claim 1, both ends of the elastic plate material are formed in a shape that matches the outer shape of the bolt. Guide bar side plate retainer. (3) In the chain saw guide bar side plate retaining fitting as set forth in claim 1 or 2 of the utility model registration claim, both ends of the elastic plate-like material are fitted into circumferential grooves or steps formed on the outer surface of the bolt, respectively. A chainsaw guide bar side plate holding fitting, characterized in that it is engaged.