JP4272489B2 - Reel body of double-bearing reel - Google Patents

Description

  The present invention relates to a reel body, and more particularly to a reel body of a dual-bearing reel to which a spool for winding a thread rotated by a handle can be detachably attached.

  The dual-bearing reel generally includes a reel main body mounted on a fishing rod, a spool rotatably mounted on the reel main body, and a handle for rotating the spool. The handle is rotatably mounted on one side of the reel body, and is connected to the spool via a gear mechanism. The reel body includes a frame having a pair of left and right side plates and a connecting member that connects both side plates, and a pair of left and right side covers that cover both sides of the frame. An opening through which the spool can pass is provided on the side plate opposite to the handle mounting side, and a side cover that covers this side plate is detachably mounted on the side plate to facilitate removal of the spool from the opening. Yes.

  In this type of double-bearing reel, in order to easily attach and detach the side cover to the side plate, a female thread portion is formed on the inner peripheral side of the opening of the side plate, and the male screw portion formed on the outer peripheral side of the tip end portion of the side cover is screwed together. By doing so, the side cover is attached to the side plate (see, for example, Patent Document 1). Here, the side cover can be easily attached and detached simply by rotating the side cover with respect to the side plate.

In recent years, such dual-bearing reels are known in which a frame is formed of a magnesium alloy in order to reduce weight and improve design. In such a double-bearing reel frame, for example, the side plate and the connecting member are integrally formed of a magnesium alloy.
JP 2000-125721 A

  In the conventional dual-bearing reel, the side plate and the connecting member are made of a magnesium alloy, so that weight reduction and design improvement can be achieved. However, since the magnesium alloy has a lower corrosion resistance than a general metal, an electrodeposition coating layer is formed on the surface by an electrodeposition coating process in order to improve the corrosion resistance. When such an electrodeposition coating layer is formed on the surface of the female screw portion for attaching the male screw portion of the side cover, the electrodeposition coating layer has a relatively soft characteristic. It may bite. As described above, when the male screw portion is gnawed by the female screw portion, the screw portion is twisted, and there is a possibility that the fixing of the side cover to the side plate becomes unstable.

  An object of the present invention is to enable a side cover to be securely fixed to a side plate in a reel body of a dual-bearing reel.

  A reel body of a dual-bearing reel according to a first aspect is a reel body of a dual-bearing reel to which a spool for spooling rotated by a handle can be detachably attached, and a first side plate having a frame member and an annular member A second side plate disposed at a distance from the first side plate and having a spool disposed between the first side plate and a female screw of the annular member that is detachably attached to the first side plate and covers the outside of the first side plate A male screw part that can be screwed to the first part is formed, a first side cover that supports the end of the rotating shaft of the spool, and a second side plate that is detachably attached, covers the outside of the second side plate, and a handle is attached. And a second side cover. The frame member is a magnesium alloy member having a first opening on the inner peripheral side and having an electrodeposition coating layer formed on the surface by an electrodeposition coating process. An annular member is a member which has a 2nd opening part which a spool can pass, and a female thread part formed in the inner peripheral part of the 1st opening part of a frame member, and is harder than an electrodeposition coating film layer.

  In this reel body, the first side plate has a magnesium alloy frame member and an annular member in which a female thread portion is formed and is harder than the electrodeposition coating layer. The first side cover has a male screw portion that is screwed into the female screw portion of the annular member. Here, the annular member and the frame member of the first side plate are formed as separate members, and the annular member on which the female screw portion is formed is formed of a metal harder than the electrodeposition coating layer, so that the magnesium alloy is conventionally used. Compared to the case where the electrodeposition coating layer is formed on the female threaded part, the male thread part is less likely to be galling to the female thread part. Accordingly, since the screw portion can be reduced, the side cover can be securely fixed to the side plate.

  The reel body according to a second aspect is the reel main body according to the first aspect, wherein the annular member is made of metal. In this case, by forming the annular member with a metal harder than the electrodeposition coating layer, it is possible to prevent the male screw portion from becoming galling to the female screw portion.

  A reel body according to a third aspect of the present invention is the reel main body of the second aspect, wherein the annular member is made of an aluminum alloy. In this case, the side plate can be provided with an inexpensive configuration by forming the annular member from an aluminum alloy which is a metal harder than the electrodeposition coating layer.

  The reel body according to a fourth aspect of the present invention is the reel main body according to the second or third aspect, wherein the annular member has an anodized surface. In this case, the annular member can be prevented from corroding, for example, by subjecting the surface of the annular member made of aluminum alloy to an alumite treatment. Furthermore, by performing such anodizing treatment, it is not necessary to form an electrodeposition coating layer on the anodized coating, so that durability can be maintained even if the screw portion is repeatedly detached.

  The reel body according to a fifth aspect is the reel main body according to the second aspect, wherein the annular member is made of a synthetic resin. In this case, the annular member can be easily formed and the entire weight can be reduced.

  The reel body according to a sixth aspect of the present invention is the reel main body according to any one of the first to fifth aspects, wherein the frame member is subjected to an electrodeposition coating treatment after the surface is subjected to an anodizing treatment. In this case, by subjecting the surface of the magnesium alloy frame member to anodizing treatment and electrodeposition coating treatment, it is possible to reliably prevent the frame member from corroding.

A reel main body according to a seventh aspect of the present invention is the reel main body according to any one of the first to sixth aspects, wherein the first side cover is made of metal. In this case, the appearance design can be improved and the wear resistance of the screw portion can be improved by forming the male screw portion with metal.
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  The reel body according to an eighth aspect is the reel main body according to the seventh aspect, wherein the first side cover is made of an aluminum alloy. In this case, the processing of the male screw portion of the first side cover is facilitated and can be provided with an inexpensive configuration.

  The reel body according to a ninth aspect is the reel main body according to the seventh or eighth aspect, wherein the first side cover has an anodized surface. In this case, for example, corrosion of the first side cover can be prevented by subjecting the surface of the first side cover made of aluminum alloy to an alumite treatment.

  A reel main body according to a tenth aspect of the present invention is the reel main body according to the seventh aspect, wherein the first side cover includes a first member made of magnesium alloy covering the outside of the first side plate, and a male screw portion provided separately from the first member. And a second member made of an aluminum alloy. In this case, while maintaining the durability by forming the male screw portion from an aluminum alloy, it is possible to reduce the weight and improve the design by forming the other portion from a magnesium alloy.

  A reel main body according to an eleventh aspect of the present invention is the reel main body according to any one of the first to sixth aspects, wherein the first side cover is a first member made of a synthetic resin that covers the outside of the first side plate, and is separated from the first member. And a second member made of an aluminum alloy having a male screw portion. In this case, weight reduction and workability can be improved by forming other parts with a synthetic resin, maintaining durability by forming an external thread part with an aluminum alloy.

  A reel main body according to a twelfth aspect of the present invention is the reel main body according to any one of the first to eleventh aspects, wherein the annular member is fixed to the frame member by a bolt member. In this case, it becomes easy to fix the annular member to the frame member.

  A reel main body according to a thirteenth aspect of the present invention is the reel main body according to any one of the twelfth aspects of the present invention, wherein the annular member has a plurality of attachment portions formed so as to protrude to the outer peripheral side and having through holes formed therein. The frame member communicates with the through hole of the attachment portion and has a plurality of female screw portions into which the male screw portion of the bolt member is screwed. In this case, by forming a mounting portion composed of a plurality of ears on the outer peripheral side of the annular member, for example, when a centrifugal brake mechanism or the like is stored on the inner peripheral side of the annular member, the mounting portion interferes with these mechanisms. Disappear.

  According to the present invention, in the reel body of the dual-bearing reel, the annular member on which the female thread portion of the first side plate is formed is formed of a member harder than the electrodeposition coating layer, and the frame member is formed of a magnesium alloy as a separate member. By doing so, the side cover can be securely fixed to the side plate.

〔overall structure〕
As shown in FIG. 1, the dual-bearing reel according to an embodiment of the present invention is a low profile type reel for bait casting. The reel includes a reel body 1, a spool rotation handle 2 disposed on the side of the reel body 1, and a drag drag adjusting star drag 3 disposed on the reel body 1 side of the handle 2.

  As shown in FIG. 2, the reel body 1 includes a frame 5, and a first side cover 6 a and a second side cover 6 b mounted on both sides of the frame 5. As shown in FIG. 1, the reel body 1 includes a front cover 7 that covers the front and a thumb rest 8 that covers the top. A spool 12 for bobbin winding is rotatably and detachably mounted inside the reel body 1.

  The frame 5 has a pair of first side plate 5a and second side plate 5b arranged so as to face each other with a predetermined interval, and a plurality of connecting portions (not shown) that connect the first side plate 5a and the second side plate 5b. And have.

  As shown in FIG. 3, the first side plate 5 a is an aluminum alloy annular member having a second opening 5 e through which the spool 12 can pass and a female screw portion 5 f formed in the inner peripheral portion of the second opening 5 e. 5c and a frame member 5d made of magnesium alloy having a first opening 5g to which the annular member 5c is detachably mounted on the inner peripheral side. The surface of the annular member 5c is anodized. The surface of the frame member 5d is subjected to anodizing treatment and electrodeposition coating treatment.

  As shown in FIGS. 3 and 4, the female screw portion 5 f of the annular member 5 c can be screwed with a male screw portion 65 a formed on the outer periphery of a brake case 65 connected to a first side cover 6 a described later. Here, the first side cover 6a can be fixed to the first side plate 5a by screwing the male screw portion 65a of the brake case 65 with the female screw portion 5f of the annular member 5c.

  As shown in enlarged views in FIGS. 4 and 5, the annular member 5 c has three attachment portions 5 h that protrude from the outer peripheral side and have through holes 5 i formed therein. The frame member 5d has a female screw portion 5k (see FIG. 4) that communicates with the through-hole 5i of the attachment portion 5h and into which the male screw portion of the bolt member 90 (see FIGS. 2 and 4) is screwed. Here, the annular member 5 c is fixed to the frame member 5 d by three bolt members 90. Further, a positioning portion 5j for positioning the annular member 5c is formed at one location on the outer peripheral side of the annular member 5c, and a projection of a frame member 5d (not shown) is engaged and positioned.

  The first side cover 6 a is swingably attached to the frame 5 so that the spool 12 can be attached and detached, and can be opened and closed with respect to the frame 5. As shown in FIG. 2, the first side cover 6 a includes a swing mechanism 34 and a lock mechanism 36 for opening / closing operation. The swing mechanism 34 supports the first side cover 6a at the front portion of the frame 5 so as to be swingable and movable in a direction away from the frame. The lock mechanism 36 is a mechanism for locking and unlocking the first side cover 6a in the closed state. As shown in FIG. 3, the lock mechanism 36 has an operation portion 37 attached to the opening 33 formed in the first side cover 6a, and a lock member 38 attached to the operation portion 37 so as to be movable forward and backward in the radial direction. is doing. The operation unit 37 includes an operation unit main body 37a mounted on the opening 33 so as to be rotatable and axially movable, and an operation knob 37b mounted so as to be swingable about a radial axis of the operation unit main body 37a. Yes.

  The operation portion main body 37a is a substantially cylindrical member, and is biased by the coil spring 44 in a direction approaching the first side cover 6a. A bottomed cylindrical brake case 65 of a centrifugal brake mechanism, which will be described later, is fixed to the operation portion main body 37a with screws. The brake case 65 has a male screw portion 65a formed on the outer periphery, and is detachably attached to the female screw portion 5f formed on the annular member 5c of the first side plate 5a as described above.

  In the frame 5, as shown in FIG. 2, a spool 12 arranged in a direction perpendicular to the fishing rod, a level wind mechanism 15 for winding the fishing line uniformly in the spool 12, and a thumb when summing is performed. A clutch lever 17 is provided. Further, between the frame 5 and the second side cover 6b, the gear mechanism 18 for transmitting the rotational force from the handle 2 to the spool 12 and the level wind mechanism 15, the clutch mechanism 13, and the clutch lever 17 are operated. Accordingly, a clutch engagement / disengagement mechanism 19 for engaging / disengaging and controlling the clutch mechanism 13, a drag mechanism 21, and a casting control mechanism 22 for adjusting a resistance force when the spool 12 rotates are arranged. Further, a centrifugal brake mechanism 23 for suppressing backlash during casting is disposed between the frame 5 and the first side cover 6a.

  As shown in an enlarged view in FIG. 5, the spool 12 has a cylindrical bobbin trunk 12b whose inner periphery is mounted on the spool shaft 16 and fishing line is wound around the outer periphery, and radially outwards at both ends of the bobbin trunk 12b. And a flange portion 12a provided to project. The bobbin trunk 12b is a member made of an aluminum alloy, and has a boss portion 12c whose inner periphery is attached to the spool shaft 16, and a cylindrical tube portion 12d that is integrally formed with the boss portion 12c and on which the fishing line is wound around the outer periphery. have.

  As shown in FIG. 2, the spool shaft 16 extends through the second side plate 5b to the outside of the second side cover 6b. The extended end is rotatably supported by a bearing 24a on a boss 6c formed on the second side cover 6b. The other end of the spool shaft 16 is rotatably supported by a bearing 24b in the centrifugal brake mechanism 23. These bearings 24a and 24b are shield ball bearings.

  The right end of the large-diameter portion 16a of the spool shaft 16 is disposed in the penetrating portion of the second side plate 5b, and an engagement pin 16b constituting the clutch mechanism 13 is fixed thereto. The engaging pin 16b penetrates the large-diameter portion 16a along the diameter, and both ends thereof protrude in the radial direction.

  The gear mechanism 18 includes a handle shaft 30, a main gear 31 fixed to the handle shaft 30, and a cylindrical pinion gear 32 that meshes with the main gear 31. The vertical position of the handle shaft 30 of the gear mechanism 18 is lower than the conventional position in order to reduce the height of the thumb rest 8. For this reason, the lower part of the 2nd side plate 5b and the 2nd side cover 6b which accommodates the gear mechanism 18 is located below the lower part of the 1st side plate 5a and the 1st side cover 6a.

  As shown in FIG. 2, the pinion gear 32 is a cylindrical member that extends inward from the outside of the second side plate 5b and penetrates the spool shaft 16 at the center, and is mounted on the spool shaft 16 so as to be movable in the axial direction. Has been. 2 is supported on the second side plate 5b by a bearing 43 so as to be rotatable and axially movable. This bearing 43 is also a shield ball bearing.

  The pinion gear 32 is formed between a tooth portion 32a that is formed on the outer peripheral portion on the right end side in FIG. And a constricted portion 32c. The meshing portion 32b is formed of a concave groove formed along the diameter on the end surface of the pinion gear 32, and an engagement pin 16b fixed through the spool shaft 16 is locked therein. Here, when the pinion gear 32 moves outward and the engagement portion 32 b and the engagement pin 16 b of the spool shaft 16 are disengaged, the rotational force from the handle shaft 30 is not transmitted to the spool 12. The meshing portion 32b and the engaging pin 16b constitute the clutch mechanism 13. When the engagement pin 16b and the meshing portion 32b are engaged, torque is directly transmitted from the pinion gear 32 having a diameter larger than that of the spool shaft 16 to the spool shaft 16, so that twist deformation is reduced and torque transmission efficiency is improved. .

  As shown in FIG. 2, the clutch lever 17 is disposed behind the spool 12 at the rear portion between the pair of first side plate 5a and second side plate 5b.

  As shown in FIG. 2, the clutch engagement / disengagement mechanism 19 has a clutch yoke 40. The clutch yoke 40 is disposed on the outer peripheral side of the spool shaft 16 and is supported by two pins 41 (only one is shown) so as to be movable in parallel with the axis of the spool shaft 16. The clutch yoke 40 has an engaging portion 40a that engages with the constricted portion 32c of the pinion gear 32 at the center thereof. A spring 42 is disposed between the clutch yoke 40 and the second side cover 6b on the outer periphery of each pin 41 that supports the clutch yoke 40. The clutch yoke 40 is always urged inward by the spring 42. ing.

  With such a configuration, in the normal state, the pinion gear 32 is positioned at the inner clutch engagement position, and the meshing portion 32b and the engagement pin 16b of the spool shaft 16 are engaged to bring the clutch on state. It has become. On the other hand, when the pinion gear 32 is moved outward by the clutch yoke 40, the engagement portion 32b and the engagement pin 16b are disengaged and the clutch is turned off.

  The drag mechanism 21 includes a friction plate 45 that is pressed by the main gear 31 and a pressing plate 46 that presses the friction plate 45 against the main gear 31 with a predetermined force by rotating the star drag 3.

  The casting control mechanism 22 has a plurality of friction plates 51 arranged so as to sandwich both ends of the spool shaft 16 and a braking cap 52 for adjusting the clamping force of the spool shaft 16 by the friction plates 51. The left friction plate 51 is mounted in the brake case 65.

  In the dual-bearing reel having such a configuration, the first side plate 5a has an annular member 5c made of aluminum alloy having an internal thread portion 5f, an annular member 5c made of magnesium alloy, and a separate frame member 5d. . The first side cover 6a is fixed to the first side plate 5a by screwing the male screw portion 65a of the brake case 65 connected to the first side cover 6a into the female screw portion 5f of the annular member 5c. Here, since the female screw part 5f of the annular member 5c is formed of an aluminum alloy harder than the electrodeposition coating layer, the female screw part 5f is formed as compared with the conventional case where the female screw part 5f is formed of a magnesium alloy. Since the male screw portion 65a is difficult to bite to 5f, the screw portion can be reduced, and the first side cover 6a can be securely fixed to the first side plate 5a.

[Other Embodiments]
(A) In the above embodiment, the low profile type reel for bait casting has been described as an example, but the present invention can be applied to other dual-bearing reels.

  (B) In the above embodiment, the annular member 5c is made of an aluminum alloy, but may be made of another metal or synthetic resin harder than the electrodeposition coating layer. Moreover, although the annular member 5c and the frame member 5d have been subjected to alumite treatment and anodizing treatment on the surfaces, the present invention is not limited to this.

  (C) In the above embodiment, the male screw portion 65a is formed on the outer peripheral side of the brake case 65. However, the present invention is not limited to this, and the first cover 6a is formed to protrude to the inner peripheral side. You may form an external thread part in an outer peripheral side. Although not shown, the first side cover 6a may be composed of a first member that covers the outside of the first side plate 5a, and a second member that is provided separately from the first member and has a male screw portion 65a. Good. Here, for example, the first member may be formed of an aluminum alloy, and the second member may be formed of a magnesium alloy or a synthetic resin.

The perspective view of the double bearing reel which employ | adopted one Embodiment of this invention. Sectional drawing of the said double bearing reel. The expanded sectional view around the 1st side board. The expanded sectional view of an annular member and a frame member. The side view of the said annular member.

Explanation of symbols

1 reel body 2 handle 5 frame 5a first side plate 5b second side plate 5c annular member 5d frame member 5e second opening 5f female screw portion 5g first opening portion 5h mounting portion 5i through hole 5j positioning portion 5k female screw portion 6a first side Cover 6b Second side cover 12 Spool 65 Brake case 65a Male thread 90 Bolt member

Claims (13)

A reel body of a dual-bearing reel in which a spool for spooling a thread rotated by a handle is detachably mountable,
A frame member made of magnesium alloy having a first opening on the inner peripheral side and an electrodeposition coating layer formed on the surface by an electrodeposition coating process; a second opening through which the spool can pass; and the frame member A first side plate having an internal thread formed on the inner periphery of the first opening and an annular member harder than the electrodeposition coating layer;
A second side plate disposed at a distance from the first side plate and the spool being disposed between the first side plate;
A male screw part that is detachably attached to the first side plate, covers the outer side of the first side plate, and can be screwed into the female screw part of the annular member is formed, and supports the end of the rotating shaft of the spool. A first side cover;
A second side cover that is detachably attached to the second side plate, covers the outside of the second side plate, and is attached with the handle;
Reel body of dual bearing reel with   The reel body of the dual bearing reel according to claim 1, wherein the annular member is made of metal.   The reel body of the dual bearing reel according to claim 2, wherein the annular member is made of an aluminum alloy.   The reel body of the dual-bearing reel according to claim 2 or 3, wherein the annular member has an anodized surface.   The reel body of the dual bearing reel according to claim 1, wherein the annular member is made of synthetic resin.   The reel body of the dual-bearing reel according to any one of claims 1 to 5, wherein the frame member is subjected to the electrodeposition coating treatment after the surface is anodized.   The reel body of the dual bearing reel according to any one of claims 1 to 6, wherein the first side cover is made of metal.   The reel body of a dual bearing reel according to claim 7, wherein the first side cover is made of an aluminum alloy.   The reel body of the dual-bearing reel according to claim 7 or 8, wherein the first side cover has an anodized surface.   The first side cover further includes a magnesium alloy first member that covers the outside of the first side plate, and an aluminum alloy second member that is provided separately from the first member and has the male screw portion. The reel body of the dual-bearing reel according to claim 7 provided.   The first side cover further includes a first member made of synthetic resin that covers the outside of the first side plate, and a second member made of an aluminum alloy that is provided separately from the first member and has the male screw portion. The reel main body of the dual-bearing reel according to any one of claims 1 to 6, which is provided.   The reel body of the dual bearing reel according to any one of claims 1 to 11, wherein the annular member is fixed to the frame member by a bolt member. The annular member has a plurality of attachment portions that are formed to protrude to the outer peripheral side and have through holes formed therein.
The reel body of the dual-bearing reel according to claim 12, wherein the frame member has a plurality of female screw portions that communicate with the through hole of the attachment portion and are engaged with the male screw portions of the bolt member.

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