JP5723797B2 - Fishing line winding spool and fishing double bearing type reel equipped with this spool - Google Patents

Description

  The present invention relates to a rigid and lightweight spool and a dual-bearing fishing reel on which the spool is mounted.

  In general, as a dual-bearing fishing reel, for example, a bait casting reel (hereinafter referred to as a bait reel) used for casting a pseudo bait such as a lure is known. In this bait reel, a fishing line serving as a road line is wound around a spool and stored. When casting the pseudo bait, when the spool is switched to the free state by the clutch mechanism and the fishing rod is quickly shaken out, the pseudo bait flies and reaches the desired point while the fishing line is pulled out from the spool.

  The pseudo bait has a weight of several grams to several tens of grams, but the user requests that the flight distance be longer and control the landing point. Further, when the fishing line drawing is stopped due to water landing or the like, the rotation of the spool is also stopped, and it is required that the fishing line wound around the spool does not loosen (backlash). Therefore, various techniques have been proposed in order to reduce the weight to reduce the inertial force of the spool and to increase the rotational efficiency (reduction of rotational resistance) for increasing the initial rotation speed of the spool. Of course, in the reels other than the bait reel, the light weight of the spool is widely demanded because it brings many advantages to the high performance. For example, Patent Document 1 proposes a technique that realizes weight reduction of the spool by forming a plurality of holes penetrating the spool body of the spool.

  Further, Patent Document 2 proposes a fishing reel spool in which a bobbin portion recessed in a substantially rectangular shape is formed at the center of the body portion of the spool. This spool winds and accommodates a fishing line only in a fishing line winding portion having a groove shape at the center of the trunk portion, and both sides are cylindrical. Since this spool winds the fishing line only in the groove, it has a small winding capacity and is suitable for a thin fishing line, for example, a fishing line of Harris No. 1 or less. In this spool, a fishing line locking member is provided on one side of the cylindrical portions on both sides, and the other cylindrical portion has a so-called summing operation that stops or suppresses rotation of the spool by bringing a finger into contact therewith. It has a possible circumferential surface.

JP 2001-145445 A JP 2006-034195 A

  In the above-described technique for reducing the weight of the spool, it is easy to form a plurality of holes that penetrate the spool body of the spool. However, it is not necessary to simply increase the number of holes, but the diameter and arrangement of the holes in consideration of the strength of the spool must be performed. That is, as the number and diameter of the holes increase, the weight can be reduced, but on the other hand, the strength decreases.

  These holes are opened in the bobbin trunk or the like by mechanical cutting using a drill or the like from the outside in another manufacturing process after the spool is manufactured. Therefore, a manufacturing process for forming holes is necessary, and it is difficult to reduce manufacturing costs.

  In addition, the weight-reduced spool is provided with a disk-shaped rib portion that supports the outer peripheral portion so as to block the hollow at the inner center with a hollow cylindrical bobbin trunk, A spool shaft is fitted. In such a structure, if the fishing line is at the left and right ends of the bobbin body, hooking (matching) will cause the bobbin body if the opponent is big or rooted. A strong force acts in an oblique direction on the joint portion of the rib portion.

  If the joint is deformed by the action of this force, the spool cannot be rotated properly.

In particular, if a large item is applied and all of the wound fishing line comes out of the spool, the drag does not function and a load is applied to the knotted portion at once. That is, when there is a knot at the spool end, a load is applied to the end portion and all the fishing line wound around the spool is released, so the wound fishing line plays the role of a cushion. Because it does not work, the action of greater force will be applied. If deformation occurs in the joint portion or the like due to the action of this force, a problem is caused in the subsequent rotation of the spool.
Therefore, an object of the present invention is to provide a spool that realizes weight reduction while maintaining strength, and a fishing reel equipped with the spool.

In order to achieve the above object, the embodiment according to the present invention is rotatably supported by a spool shaft, and the bobbin trunk has a hollow cylindrical shape. The hollow is closed at the center of the cylinder and is orthogonal to the inner surface of the cylinder. A groove portion formed by joining the entire circumference in the direction and having a disc-shaped rib portion for fitting the spool shaft integrally, and forming a straight line with the rib portion at the center of the outer peripheral surface of the bobbin trunk The fishing line is wound around the bobbin trunk so that the opening angle and depth of the groove are set so that the thickness of the bobbin trunk and the thickness of the side wall of the groove are equal to or greater than each other. Provide a spool that holds once.

  In addition, another embodiment according to the present invention includes a reel body having a pair of opposing side wall portions, a spool for winding and holding a fishing line around a bobbin trunk, and fitted to the spool, with both ends attached to the side wall portion. A spool shaft that rotatably supports the spool, and a drive mechanism that is mechanically connected to the spool shaft and rotates the spool, and the spool body of the spool has a hollow cylindrical shape. Formed at the center of the cylinder, plugged into the hollow, joined to the entire circumference in a direction perpendicular to the inner surface of the cylinder, and integrally formed with a disk-shaped rib portion for fitting the spool shaft, The groove portion is formed at a position that forms a straight line with the rib portion at the center of the outer peripheral surface of the groove portion, and the groove portion has a thickness equal to or greater than the thickness of the bobbin trunk and the side wall of the groove portion. The opening angle and depth of the fish are set To provide a use reel.

  ADVANTAGE OF THE INVENTION According to this invention, the spool which implement | achieves weight reduction, maintaining intensity | strength, and the double-bearing type fishing reel which mounts this spool can be provided.

FIG. 1 is a diagram showing an overall appearance configuration of a fishing reel according to an embodiment of the present invention. 2A is a diagram showing an external configuration of the spool according to the first embodiment, and FIG. 2B is a cross-sectional configuration of the spool including the spool shaft along the line BB in FIG. 2A. FIG. 3A is a diagram showing a configuration of a side surface as viewed from the arrow A side in FIG. 2A, and FIG. 3B is a cross-sectional configuration of the spool taken along line BB in FIG. 2A. FIG. FIG. 4 is a diagram illustrating a cross-sectional configuration of the spool according to the second embodiment. FIG. 5A is a diagram illustrating an external configuration of a spool according to the third embodiment, and FIG. 5B is a diagram illustrating a cross-sectional configuration of the spool taken along line BB in FIG. 5A. . FIG. 6A is a diagram illustrating an external configuration of a spool according to the fourth embodiment, and FIG. 6B is a diagram illustrating a cross-sectional configuration of the spool taken along line BB in FIG. 6A. .

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a diagram showing an overall external configuration of a fishing reel according to the present invention.
This fishing reel (hereinafter referred to as a reel) 1 is a dual-bearing type manually wound reel that is rotatably supported from both sides by a spool shaft 7 penetrating the spool 5.

  In the reel body 2, a spool 5 that is supported on both sides and a spool 5 to be fitted are rotatably arranged. The spool shaft 7 is a handle shaft 3a of the handle 3 for rotationally driving the spool 5 disposed on the side surface of the reel body via a drive mechanism, that is, a gear mechanism (not shown) and a drag mechanism (not shown). Are mechanically connected to each other.

[First Embodiment]
FIG. 2A is a diagram illustrating an external configuration of the spool according to the first embodiment, and FIG. 2B is a diagram illustrating a cross-sectional configuration of the spool including the spool shaft. FIG. 3A is a diagram illustrating a configuration of the spool according to the first embodiment as viewed from the side, and FIG. 3B is a diagram illustrating a cross-sectional configuration of the spool.

  The spool 5 is rotatably supported on both sides of the spool shaft 7 extending from the spool 5 by attaching to a pair of side wall portions facing each other with a gap between the reel body 2 via a bearing (not shown). The The spool shaft 7 may be attached to the side wall portion as long as it can rotate. The bearing is not necessarily required, and may be directly or indirectly (for example, via a set plate or a backlash prevention mechanism) to the side wall portion. At one end of the spool shaft 7, the gear mechanism meshes with a gear arranged coaxially, and the rotational force of the handle 3 is transmitted.

  The drag mechanism is disposed between the gear mechanism and the handle shaft, and adjusts the transmission of rotational power by the handle 3 to the gear mechanism and the braking force of the spool 5. In this drag mechanism, the braking force for pulling out the fishing line from the spool 5 and the transmission of the rotational power of the handle 3 are adjusted by the tightening condition of the drag adjusting body (for example, star drag) 4.

  Further, on the front side of the reel body 2, a level wind mechanism 6 that reciprocates and winds the fishing line uniformly around the spool 5 is disposed. Further, a clutch lever 8 for switching to a free state (non-connected state) or a hoistable state (connected state) is disposed behind the reel body 2 by a clutch mechanism (not shown) that connects the spool 5 to the gear mechanism. ing. Here, when the clutch lever 8 is pushed down, the clutch mechanism is released to be in a free state, and when the handle 3 is wound up, the clutch mechanism is connected.

  The spool 5 is integrally formed by cutting out at least the bobbin trunk 17 and the rib 15. That is, as shown in FIG. 2B, a disc-shaped rib portion 15 is integrally provided in the center of the hollow cylindrical bobbin trunk portion 17. The rib 15 is joined and supported over the entire circumference in a direction orthogonal to the inner surface of the bobbin trunk 17 so as to close the hollow in the bobbin trunk 17. Moreover, the rib part 15 may provide a hole (penetration, non-penetration) from an arrow A direction (direction seen in FIG. 3).

  In the present embodiment, as shown in FIG. 2B, the rib portion 15 is formed thicker than the bobbin trunk portion 17 from the viewpoint of strength. These thicknesses are design matters that are appropriately set depending on, for example, the material and drag force.

  On the outer peripheral ends of both sides of the spool body 17 of the spool 5, there are provided flange-shaped flange portions 13 that are curved and project from the spool surface. Note that the overhang amount (edge height) of the flange portion 13 shown in FIG. 2B defines the winding capacity of the fishing line 16. That is, the winding capacity increases as the flange portion 13 is higher than the surface of the bobbin trunk portion 17.

  Further, in the spool cutting step, a cylindrical shaft insertion portion (spool shaft support portion) 14 is provided at the center of the rib portion 15 as shown in FIG. As shown in FIG. 2B, the spool shaft 7 is fitted and fixed in the fitting hole 14 a of the shaft insertion portion 14.

  Moreover, as shown in FIG.2 (b), the connection location C of the bobbin trunk | drum 17 and the rib part 15 is not attached to a corner, but by attaching what is called R (R) which connects with the rounded curved surface, The applied load is distributed to give strength.

  In the present embodiment, the V-shaped groove (groove portion) 11 is formed by cutting in the spool cutting step on the surface side of the bobbin trunk portion 17 at the connection location C. That is, the groove, that is, the V-shaped groove 11 is formed at a position that forms a straight line with the rib 15 at the center of the outer peripheral surface of the bobbin trunk 17. The opening angle and depth of the V-shaped groove 11 are such that the thickness t2 of the side wall of the V-shaped groove 11 is at least equal to or greater than the thickness t1 of the cylindrical portions 12a and 12b of the bobbin trunk portion 17. h is set. Such a technical feature is necessary for preventing a decrease in strength. With these settings, the decrease in strength due to the formation of the V-shaped groove causes no problem in practical use. Furthermore, when the V-shaped groove 11 is formed, the weight of the deleted portion is reduced from the spool 5.

  In the present embodiment, when the fishing line (the road line) is tied to the spool 5, the road line is inevitably tied so as to fit in the V-shaped groove 11 having the smallest diameter. Therefore, when all the road yarns are pulled out from the spool, a force acts in the surface direction of the rib portion 15 arranged in a straight line through the V-shaped groove 11 and can be endured with the strength of the rib portion 15 itself.

  As described above, according to the present embodiment, it is possible to reduce the weight for reducing the inertial force of the spool 5 while preventing a substantial decrease in the strength of the spool 5. When creating the spool, the V-shaped groove is formed at the time of manufacturing the bobbin trunk. Therefore, processing for weight reduction can be performed together in the same process, which increases the cost compared to weight reduction processing by hole formation. It can be avoided.

  Further, when the fishing line (road line) is tied to the bobbin trunk portion 17, the fishing line is tied into the V-shaped groove 11, so that even if all of the wound fishing line is pulled out from the spool, the load is passed through the V-shaped groove 11. A force acts in the surface direction of the rib portion 15 arranged on the straight line, and deformation of the joint portion between the bobbin trunk portion 17 and the rib portion 15 can be prevented. Moreover, since the knot of the fishing line is accommodated in the V-shaped groove 11, it is possible to contribute to the flattening of the fishing line.

[Second Embodiment]
FIG. 4 is a diagram illustrating a cross-sectional configuration of the spool according to the second embodiment. In this embodiment, the same components as those in the first embodiment described above are denoted by the same reference numerals, and detailed description thereof is omitted.

  The V-shaped groove (groove portion) 22 of the spool 21 in the present embodiment has a configuration in which the depth h is deeper and the shape width is wider than the V-shaped groove 11 in the first embodiment described above. The thickness t2 of the V-shaped groove 22 is equal to or greater than the thickness t1 of the cylindrical portions 12a and 12b, and is set so that the R at the joint portion between the bobbin trunk portion 17 and the rib portion 15 is increased.

  According to the present embodiment, since the V-shaped groove is deeper and wider than the first embodiment, the weight can be further reduced. Furthermore, this embodiment can obtain the same operational effects as those of the first embodiment described above.

[Third Embodiment]
FIG. 5A is a diagram illustrating an external configuration of a spool according to the third embodiment, and FIG. 5B is a diagram illustrating a cross-sectional configuration of the spool taken along line BB in FIG. 5A. . In this embodiment, the same components as those in the first embodiment described above are denoted by the same reference numerals, and detailed description thereof is omitted.
In the present embodiment, the spool 23 is formed with a concave shape having a width L1 in the center of the bobbin trunk, in this case, a U-shaped groove (groove portion) 24. The U-shaped groove 24 has a concave shape with a bottom surface provided between the walls of the V-shaped groove 22 in the second embodiment described above.

  According to the present embodiment, the provision of the step formed by the U-shaped groove 24 in the bobbin trunk portion increases the rigidity of the spool 23, so that the thickness can be made thinner than the spools of the first and second embodiments described above. Can be made lighter. Further, the U-shaped groove 24 can increase the winding capacity of the fishing line as compared with the spools of the first and second embodiments. Furthermore, this embodiment can obtain the same operational effects as those of the first embodiment described above.

[Fourth Embodiment]
FIG. 6A is a diagram illustrating an external configuration of a spool according to the fourth embodiment, and FIG. 6B is a diagram illustrating a cross-sectional configuration of the spool taken along line BB in FIG. 6A. . In this embodiment, the same components as those in the first embodiment described above are denoted by the same reference numerals, and detailed description thereof is omitted.

  In the spool 25 in this embodiment, a concave shape, here a rectangular groove (groove portion) 26 is formed in the center of the bobbin trunk. This rectangular groove 26 is obtained by changing the shape of the V-shaped groove 11 of the first embodiment, has a width equal to or less than the thickness of the rib portion 15, and has a depth equivalent to that of the V-shaped groove 11. It is. This embodiment can obtain the same operational effects as those of the first embodiment described above.

  The spools of the first to fourth embodiments described above are formed by cutting, pressing, or forging a metal material such as an aluminum alloy, a magnesium alloy, a titanium alloy, or the like. In these spools, it is desirable that the exposed surface is subjected to a corrosion resistance treatment, and for example, a known coating process of a resistant film or a coating process of a resistant paint is performed. If the spool is formed of an aluminum-based metal, an oxidation process (for example, an alumite process) may be performed. It can also be formed of a resin material reinforced with carbon fiber or the like.

Further, depending on the required rigidity, the spool can be formed of a stainless steel plate or a thin plate of an alloy thereof.
Furthermore, the spool is not necessarily formed integrally, and may be configured by assembling parts formed of the same material or different materials. For example, a configuration in which a bobbin trunk made of an aluminum alloy and a flange made of a resin material are assembled may be used.

  DESCRIPTION OF SYMBOLS 1 ... Fishing reel, 2 ... Reel body, 3 ... Handle, 4 ... Drag adjusting body, 5 ... Spool, 6 ... Level wind mechanism, 7 ... Spool shaft, 8 ... Clutch lever, 11 ... V-shaped groove, 12a, 12b ... cylindrical portion, 13 ... flange portion, 14 ... shaft insertion portion, 14a ... fitting hole, 15 ... rib portion, 16 ... fishing line, 17 ... bobbin trunk portion.

Claims (5)

A spool that is rotatably supported by the spool shaft and holds the fishing line around the spool body,
The bobbin trunk is
It has a hollow cylindrical shape, plugs the hollow at the center inside the cylinder, is joined over the entire circumference in a direction perpendicular to the inner surface of the cylinder, and integrally has a disc-shaped rib portion for fitting the spool shaft,
Having a groove formed at a position that forms a straight line with the rib at the center of the outer peripheral surface of the bobbin trunk,
A spool for winding a fishing line, characterized in that an opening angle and a depth of the groove part are set so that the thickness of the bobbin trunk part and the thickness of the side wall of the groove part are equal to or greater than each other.   2. The fishing line winding spool according to claim 1, wherein the depth of the groove is greater than the thickness of the bobbin trunk.   2. The fishing line winding spool according to claim 1, wherein the groove is formed in a V shape.   2. The fishing line winding spool according to claim 1, wherein the groove is formed in a concave shape having a bottom surface. A reel body having a pair of opposing side wall portions;
A spool that winds and holds the fishing line around the spool body;
A spool shaft that is fitted to the spool, attaches both ends to the side wall, and rotatably supports the spool;
A drive mechanism that is mechanically coupled to the spool shaft and rotates the spool;
The spool body of the spool is
It has a hollow cylindrical shape, plugs the hollow at the center inside the cylinder, is joined over the entire circumference in a direction perpendicular to the inner surface of the cylinder, and integrally has a disc-shaped rib portion for fitting the spool shaft,
Having a groove formed at a position that forms a straight line with the rib at the center of the outer peripheral surface of the bobbin trunk,
The fishing reel according to claim 1, wherein an opening angle and a depth of the groove are set so that a thickness of the bobbin trunk and a thickness of a side wall of the groove are equal to or greater than each other.

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