JP2001017037A - Jamming structure for fastener for fishing reel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To minimize the space for jamming in the jamming structure for the fastening material. SOLUTION: A male screw is formed for jamming the rotor 3 in front of the pinion gear 12, and a hexagonal nut 15 is screwed to male screw. The jamming stopper 16 in which a part of its outer periphery is notched in a half circle is formed on the nut 15. The jamming stoppers 16 are formed at six places, one place every side of the hexagonal nut 15, and the jamming stopper 16 mounted movably toward the front wall of the rotor can be inserted to the front wall of the rotor. The jamming stopper is always energized to the outside of the front wall 3d by a spring.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastening member detent structure, and more particularly, to a fastening member which is screwed to a second member for fastening a first member of a fishing reel having at least a flat surface to a rod-shaped second member. The present invention relates to a fastening member detent structure of a fishing reel for detenting a member.

[0002]

2. Description of the Related Art In fishing reels such as spinning reels and dual-bearing reels, for example, a rod or pinion gear or a handle shaft (an example of a second member) is provided with a rotor or a handle (an example of a first member) and a nut (an example of a fastening member). (Example). Since this nut rotates together with the pinion gear and the handle shaft, it is easy to loosen due to inertial force and vibration acting on the rotor and the handle.

In order to prevent the nut from being loosened, a retainer made of a thin metal plate is mounted on the fixing nut. The retainer is a substantially raindrop-shaped member made of sheet metal having a large-diameter portion formed at one end and a small-diameter portion formed at the other end. When the nut is, for example, a hexagonal nut, a nut locking hole having an inner peripheral corner matching the outer peripheral corner of the hexagonal nut is formed in the large diameter portion. Can be locked. The small diameter portion has a screw insertion hole through which a small screw can be inserted.For example, by screwing a small screw into a screw fixing hole formed on the front side of the rotor, the retainer is fixed to the rotor so that it cannot rotate, and the nut is fixed. It is stopped.

[0004]

In the above-described conventional rotation preventing structure, since a retainer larger than the outer shape of the nut is provided, a large space is required around the nut.
Providing such a large space makes it difficult to reduce the size of the reel as a whole. An object of the present invention is to minimize a space for a rotation stop in a rotation stop structure of a fastening member.

[0005]

According to a first aspect of the present invention, there is provided a locking member rotation preventing structure which is screwed to a second member for fastening a first member of a fishing reel having at least a flat surface to a rod-shaped second member. A fastening member detent structure for a fishing reel for preventing the fastening member from rotating, wherein the fishing member is provided on a first member on which the fastening member is disposed so as to be able to advance and retreat in the attaching / detaching direction of the fastening member and advance outward from the first member. And a detent member urged in the forward direction, and a detent locking part formed on the fastening member so that the detent member abuts and locks the fastening member in a non-rotatable manner.

In this fastening member detent structure, the detent can be stopped by bringing the detent member into contact with the detent locking portion provided on the fastening member. here,
Since the detent member is provided at the position where the fastening member is disposed so as to be able to advance and retreat from the first member, the detent member is locked to the detent locking part, so that the space for the detent is minimized. Can be suppressed.

According to a second aspect of the present invention, there is provided the fastening member detent structure according to the first aspect, further comprising a spring member for urging the detent member in the forward direction. In this case, a biasing force can be generated with a simple configuration by using, for example, a torsion spring or the like. The fastening member detent structure according to a third aspect of the present invention is the fastening member detent structure of the first or second aspect, wherein the fastening member is a nut.

In this case, for example, by using a hexagon nut or the like, it is possible to suppress the fluctuation of the tightening torque of the nut and make it difficult to loosen. A fastening member detent structure according to a fourth aspect of the present invention is the fastening member detent structure of any of the first to third aspects, wherein a plurality of detent locking portions are formed on the fastening member. In this case, the position of the detent locking portion is more easily adjusted to the position of the detent member than in the case where one detent locking portion is provided.

According to a fifth aspect of the present invention, there is provided the fastening member detent structure according to any one of the first to fourth aspects, wherein the detent locking part is formed by cutting out a part of the outer peripheral edge of the fastening member. Have been. In this case, it is easy to form the detent locking portion, and a portion of the detent member may be locked, so that the locking structure is simplified.

According to a sixth aspect of the present invention, there is provided the fastening member detent structure according to any one of the first to fifth aspects, wherein the detent member has an inclined surface that gradually projects at the tip end thereof in the rotation direction of the fastening member. Are formed. In this case, for example, by providing a ratchet type cam surface, the rotation of the fastening member in the loosening direction is restricted, so that the fastening member is hardly loosened.

According to a seventh aspect of the present invention, there is provided the locking member detent structure according to any one of the first to sixth aspects, wherein the fishing reel is a dual bearing reel, the first member is a handle, and the second member is a second member. Is a handle shaft. In this case, the fastening member for fastening the handle of the dual-bearing reel to the handle shaft can be reliably prevented from rotating regardless of the rotation phase, and the fluctuation of the fastening torque of the fastening member can be suppressed, so that the fastening member can be hardly loosened. .

According to an eighth aspect of the present invention, there is provided the fastening member detent structure according to any one of the first to sixth aspects, wherein the fishing reel is a spinning reel, the first member is a rotor thereof, and the second member is a second member. Is the pinion gear. In this case, the fastening member for fastening the rotor of the spinning reel to the pinion gear can be reliably prevented from rotating regardless of the rotation phase, and the variation in the fastening torque of the fastening member can be suppressed to make it difficult for the fastening member to be loosened.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A spinning reel adopting an embodiment of the present invention is rotatably supported on a reel body 2 on which a handle 1 is mounted and a front portion of the reel body 2 as shown in FIG. And a spool 4 disposed in front of the rotor 3 and winding up fishing line.

The reel body 2 includes a fishing rod mounting portion 2a mounted on a fishing rod, and a reel body 2 formed integrally with the fishing rod mounting portion.
b. The rod mounting part 2a has a rod mounting part 2c arranged along the fishing rod and a leg 2d extending from the rod mounting part 2c in a direction away from the fishing rod. The reel body 2b is formed integrally with the leg 2d of the rod mounting portion 2a. As shown in FIG. 2, the reel body 2b has a mechanism housing space 14 formed therein.

The mechanism storage space 1 inside the reel body 2b
4 includes a rotor driving mechanism 5 for rotating the rotor 3.
A part of a lever brake mechanism 6 for braking the rotor 3, and a mechanism for moving the spool 4 in the front-rear direction along the rotation axis X (see FIG. 1) to uniformly wind the fishing line on the spool 4. An oscillating mechanism 7 is provided.

The rotor 3 is made of a synthetic resin and is rotatably supported by the reel body 2. As shown in FIG. 2, the rotor 3 includes a cylindrical portion 3a, and a first arm portion 3b and a second arm portion 3 which are provided on opposite sides of the cylindrical portion 3a.
c (see FIG. 1). Front wall 3d of cylindrical portion 3a
A boss 3f having a through hole 3e is formed at the center of the boss. The spool shaft 8 and the pinion gear 12 (described later) pass through the through hole 3e. The through hole 3e has a substantially rectangular shape, and the pinion gear 12 is non-rotatably locked in the through hole 3e. A bail arm 9 is swingably provided between the tip of the first arm 3b and the tip of the second arm 3c.
(See FIG. 1).

The spool 4 is made of a synthetic resin.
Is disposed between the first arm 3b and the second arm 3c. The spool 4 is detachably and non-rotatably mounted on the tip of a spool shaft 8. The spool 4 includes a bobbin trunk 4a around which a fishing line is wound, a skirt portion 4b integrally formed at the rear of the bobbin trunk 4a, and a bobbin trunk 4a.
a and a flange portion 4c fixed to the front end.
The spool shaft 8 is movable in the front-rear direction by the oscillating mechanism 7.

The rotor drive mechanism 5 includes a face gear 11 that rotates together with a handle shaft 10 to which the handle 1 is fixed.
And a pinion gear 12 meshing with the face gear 11
And The handle shaft 10 is rotatably supported by the reel body 2. The pinion gear 12 is formed in a cylindrical shape, and a front portion 12 a thereof has a through hole 3 e of the rotor 3.
And extends to the spool 4 side. Pinion gear 1
Reference numeral 2 denotes an intermediate portion and a rear portion supported by the reel body 2b by bearings 25 and 26, respectively.

FIG. 2 shows a front portion 12a of the pinion gear 12.
As shown in FIG. 3, a male screw portion 12b for fastening the rotor 3 in a non-rotatable manner and a chamfered portion 12c engaging with the through hole 3e are formed. A hexagonal nut 15 is screwed into the male screw portion 12b, and the boss 3f of the rotor 3 pressed by the nut 15 is non-rotatably mounted on the pinion gear 12.

As shown in FIGS. 3 and 4, the nut 15 is provided with a detent locking portion 16 in which a part of the outer peripheral edge is cut out in a semicircular shape. A total of six anti-rotation locking portions 16 are formed on each side, one at each side.
The detent locking portion 16 mounted to be able to move forward and backward with respect to d can be inserted. As shown in FIG. 4, the detent locking portion 16 is constantly urged outward from the front wall 3 d by a spring member 18.

When the rotor 3 is incorporated into the pinion gear 12, the cylindrical portion 3a of the rotor 3 is mounted on the front portion 12a of the pinion gear 12. Then, the front part 1 of the pinion gear 12
The rotor 3 is non-rotatably mounted on the pinion gear 12 by the chamfered portion 12c formed in 2a. Subsequently, the nut 15 is screwed into the male screw portion 12b of the pinion gear 12, and the rotor 3 is fastened to the pinion gear 12. At this time, for example, when a box wrench is attached to the nut 15 and the nut 15 is tightened with a predetermined torque, the detent member 1
The nut 15 rotates in a state where 7 is pushed into the rotor 3 side. When the nut 15 is completely tightened, the detent member 17 is inserted into one of the detent locking portions 16 formed at six locations on the nut 15. At this time, since the detent member 17 is urged outward from the rotor 3 by the spring member 18, the detent member 17 is
6, the nut 15 can be prevented from rotating.

Next, the operation and operation of the reel will be briefly described. At the time of casting, the bail arm 9 is tilted to the line releasing posture side and the fishing rod is swung out, whereby the fishing line is paid out from the outer periphery of the spool 4. At the time of winding the fishing line, if the handle 1 is rotated in the line winding direction,
The bail arm 9 returns to the line winding position by a return mechanism (not shown). The turning force of the handle is transmitted to the pinion gear 12 via the handle shaft 10 and the face gear 11. The rotational force transmitted to the pinion gear 12 is transmitted to the rotor 3 via the front portion 12a of the pinion gear 12.
When the pinion gear 12 rotates, the rotation is transmitted to the oscillating mechanism 7 by an intermediate gear (not shown), and the spool shaft 8 reciprocates in the front-rear direction.

In such a fishing reel detent structure, the detent member 17 which is movable forward and backward with respect to the rotor 3 is engaged with the detent member 16 formed on the nut 15 so as to prevent the rotation. Space can be minimized. [Other Embodiments] (a) In the above-described embodiment, the nut 15 in which the detent locking portion 16 is formed at six locations is used. One stop locking portion 16 may be provided on the flat portion of the nut 15. In this case, as a tool for rotating the nut 15, it is necessary to use, for example, a special tool in which a projection for closing the locking stopper 16 is formed inside the box wrench.

(B) In the above embodiment, the rotation preventing structure is used for the nut 15 for fastening the rotor. However, the rotation preventing structure can be applied to the rotation preventing of other nuts such as the nut for fastening the handle of the dual bearing reel. 6 and 7, a dual-bearing reel employing another embodiment of the present invention includes a reel body 101,
Handle 10 rotatably mounted on reel body 101
2 and a handle 10 provided inside the reel body 101.
And a spool 103 for winding the bobbin that is rotated by the second rotation.

The reel body 101 includes a pair of left and right side plates 11.
0, 111, and a pair of side covers 113, 114 covering both sides of the reel frame.
And The side cover 114 has a handle 102
Are rotatably supported. At the end of the handle shaft 115, a crank arm 120 constituting the handle 102 is non-rotatably mounted. A handle handle 121 is rotatably attached to the tip of the crank arm 120. At the tip of the handle shaft 115, a chamfered portion (both not shown) parallel to the male screw portion is formed.

As shown in FIG. 7, a hexagonal cap nut 125 for fixing the crank arm 120 to the handle shaft 115 is screwed into the male screw portion. Cap nut 12
5 is provided with six detent locking portions 126 for locking the cap nut 125 on the outer periphery thereof. The detent locking portion 126 has the same structure as in the above embodiment. At one position of the detent locking portion 126, the crank arm 1 is rotated by a detent member 127 urged to protrude outward.
20. The detent member 127 is attached to the crank arm 120 together with a spring member (not shown), as in the above embodiment. With such a configuration, the same effect as in the above embodiment can be obtained.

The present invention can be applied to all fishing reels in which the first member having a flat surface is mounted on the second member having a bar shape with a nut. (C) In the above-described embodiment, the hexagonal nut 15 is prevented from rotating. However, the shape of the nut to which the rotation preventing structure of the present invention is applied is not limited to this, and a hexagon socket nut or a parallel nut may be used. The present invention can be applied to a structure in which a nut having any shape such as a nut having a chamfered portion is prevented from rotating.

(D) In the above embodiment, a nut is exemplified as the fastening member. However, the fastening member is not limited to the nut, and may use other screws such as a hexagon bolt. (E) In the above-described embodiment, a rod-shaped member has been exemplified as the detent member 17, but as shown in FIG. 8, an inclined surface 19 is provided at the tip end so that it rotates only in the fastening direction (A direction in FIG. 8). It may be.

[0029]

According to the present invention, in the detent structure of a fishing reel, a space for detent is provided by engaging a detent member which is movable forward and backward with a detent locking part formed on a nut. Can be minimized.

[Brief description of the drawings]

FIG. 1 is a side cross-sectional view of a spinning reel employing one embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a main part of the spinning reel.

FIG. 3 is a partial front view of a rotor of the spinning reel.

FIG. 4 is an enlarged cross-sectional view around a nut of the rotor.

FIG. 5 is a diagram corresponding to FIG. 3 of another embodiment.

FIG. 6 is a perspective view of a dual-bearing reel employing another embodiment.

FIG. 7 is a side view of the dual bearing reel.

FIG. 8 is a diagram corresponding to FIG. 4 of another embodiment.

[Explanation of symbols]

 Reference Signs List 3 rotor 12 pinion gear 15, 125 nut 16, 126 detent locking part 17, 127 detent member 18 spring member 19 inclined surface 102 handle 115 handle shaft 120 crank arm

Claims (8)

[Claims] 1. A fishing reel fastening member for stopping a fastening member screwed to a second member for fastening a first member of a fishing reel having at least a flat surface to a rod-shaped second member. A detent structure, wherein the first member on which the fastening member is disposed is provided so as to be able to advance and retreat in the attaching / detaching direction of the fastening member, and is urged in an advance direction in which the first member is outwardly advanced. A fastening member detent structure for a fishing reel, comprising: a detent member; and a detent locking part formed on the fastening member so that the detent member abuts and non-rotatably locks the fastening member. . 2. The structure according to claim 1, further comprising a spring member for urging the detent member in the extension direction. 3. The structure according to claim 1, wherein the fastening member is a nut. 4. The fastening member detent structure for a fishing reel according to claim 1, wherein said detent locking portion is formed at a plurality of positions on said fastening member. 5. The fishing reel according to claim 1, wherein said locking member is formed by cutting out a part of an outer peripheral portion of said fastening member. Stop structure. 6. The fastening of the fishing reel according to claim 1, wherein the rotation preventing member has a slope formed at a tip end thereof that gradually protrudes in a rotation direction of the fastening member. Non-rotating member structure. 7. The fishing reel is a dual bearing reel,
The fastening member detent structure for a fishing reel according to any one of claims 1 to 6, wherein the first member is a handle, and the second member is a handle shaft. 8. The fishing reel according to claim 1, wherein said fishing reel is a spinning reel, said first member is its rotor, and said second member is its pinion gear. Locking member detent structure.