JPH018120Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in the structure of a guide or top guide for a fishing rod.

Conventionally, this type of guide is known to have a roller supported between a pair of bearing pieces so that it can rotate freely, but when the thread is being fed out, the roller does not rotate smoothly, which prevents the thread from being fed out. In addition, there was a problem that the thread could get into the gap between the roller and the bearing piece and be cut.

The present invention eliminates these drawbacks and provides a guide for a fishing rod that allows the roller to rotate extremely smoothly and prevents the thread from being inserted into the gap between the roller and the bearing piece and being cut. A rotatable metal ring 10 is provided between the roller 1 and the shaft 4, in which the roller 1 is rotatably supported in the gap.
interposed therebetween, and on the inner surface of the bearing pieces 2 and 3 facing the roller 1, the diameter is slightly larger than the outer diameter of the roller 1,
A recessed surface 5 is formed which gradually becomes thicker from the outer periphery toward the shaft 4, and both side surfaces 6 and 7 of the roller 1 are housed in the recessed surface 5, and the rim of the shaft hole of the roller 1 and the metal ring 10 are Cutting portions 11 and 12 are formed on both end faces, respectively.

An example of the implementation of the present invention will be explained in more detail with reference to FIGS. 1 and 2. FIG. 1 shows the entire embodiment,
Both ends thereof are provided with mounting pieces 8 and 9 for attaching to a fishing rod, and the structure of the guide is as shown in the sectional view of FIG. That is, the bearing pieces 2 and 3 are formed into a U-shaped cross section, and a roller 1 whose circumferential surface is recessed is pivotally supported between the bearing pieces 2 and 3 by a shaft 4. A rotatable metal ring 10 with improved wear resistance is provided between the roller 1 and the shaft 4 in order to make the rotation of the roller 1 smooth and prevent wear between the roller 1 and the shaft 4. I intervened. A recessed surface 5 having a diameter slightly larger than the outer diameter of the roller 1 is formed on opposing surfaces of both side surfaces 6 and 7 of the roller 1 located on the inner surfaces of both the bearing pieces 2 and 3.
As shown in FIGS. 2 and 3, the recessed surface 5 gradually becomes thicker from its outer periphery toward the shaft 4, reaching its maximum thickness at the position of the metal ring 10. The maximum thickness is such that both side surfaces 6 and 7 of the roller 1 are accommodated in the recessed surface 5 when the roller 1 is supported pivotally.
Therefore, both side surfaces 6, 7 of the roller 1 do not come into contact with the concave surfaces 5 of the bearing pieces 2, 3, except for the narrow annular surface formed near the shaft 4, and The distance between the surfaces 6 and 7 and the recessed surface 5 increases toward the outer periphery.

11 and 12 are located on both sides of the shaft hole of the roller 1 in order to reduce the contact area between the roller 1 and the metal ring 10, the contact area between the metal ring 10 and the recessed surface 5, and the contact area between the shaft 4 and the metal ring 10. These are cutting surfaces provided on the mouth edge and both end faces of the metal ring 10, respectively.

With the structure as described above, both side surfaces 6 and 7 of the roller 1 do not come into contact with the recessed surfaces 5 of the bearing pieces 2 and 3 except for contact at the narrow annular surface formed near the shaft 4. Metal ring 10 with even smaller contact area
Due to the double rotation with this, it rotates extremely smoothly. Since the both sides 6 and 7 of the roller 1 are housed in the recessed surface 5, the yarn a that is let out on the roller 1 is connected to the both sides 6 and 7 of the roller 1 and the bearing piece 2 as shown in the second figure. 3 is reliably prevented from being inserted into the gap between the roller 1 and the roller 1, and even if the shaft support of the roller 1 becomes loose due to wear and, for example, the rotation of the roller oscillates, the roller 1
Since there is a wide space between the outer periphery of the roller 1 and the recessed surface 5, the peripheral edge of the roller 1 is prevented from coming into contact with the recessed surface 5.

According to the present invention, the roller 1 is placed on the inner surfaces of the bearing pieces 2 and 3 facing both sides 6 and 7 of the roller 1.
A recessed surface 5 is formed with a slightly larger diameter than the outer diameter of the roller 1 and gradually thickens from the outer periphery toward the shaft 4, and both side surfaces 6 and 7 of the roller 1 are accommodated in the recessed surface 5 and rotated. The roller 1 is rotatably supported on the shaft 4 through a freely movable metal ring 10, and the roller 1 rotates while being joined to the bearing pieces 2 and 3 only at the center of both sides 6 and 7, so there are few frictional parts and smooth rotation. In addition, even if the rotation of the roller 1 is shaken due to play in the shaft support, the distance between the outer peripheral edge of the roller 1 and the recessed surface 5 becomes wider toward the outer periphery, so that the rotation of the roller 1 is prevented. The outer peripheral edge does not come into contact with the recessed surface 5, and the collision prevents the rotation of the roller, generates noise, and causes friction between members. Since cutting parts 11 and 12 are formed on both end faces of the metal ring 10, the friction between the bearing pieces 2 and 3 in the shaft support and these mutual members can be reduced, and the friction caused by collision between the corner parts can be prevented. have

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of the implementation of the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. 3 is a partially enlarged sectional view. 1...Roller, 2, 3...Bearing piece, 4...Shaft,
5... Concave surface, 6, 7... Roller side, 10...
Metal ring, 11, 12...cutting part.

Claims (1)

[Scope of utility model registration request] A roller 1 is rotatably supported between the bearing pieces 2 and 3, and a rotatable metal ring 10 is interposed between the roller 1 and the shaft 4, and the inner surface of the bearing pieces 2 and 3 is Roller 1 is placed on the opposite side of Roller 1.
The diameter is slightly larger than the outer diameter of the shaft 4.
A recessed surface 5 is formed that gradually becomes thicker toward the recessed surface 5, and both side surfaces 6, 7 of the roller 1 and the metal ring 10 are housed in the recessed surface 5, and both side edges of the shaft hole of the roller 1 and the metal ring are formed. Cutting portions 11 and 1 are provided on both end surfaces of 10, respectively.
A fishing rod guide consisting of two parts.