JP2000125721A - Detachable part structure and detachable part structure for fishing reel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a detachable structure of 2 parts easy in fitting and detaching operations and capable of inexpensively providing a feeling of rigidity when the parts are fitted to each other. SOLUTION: This structure 80 for detachably fitting the first side cover 6a provided with a brake case 65 having its outer peripheral surface to the side plate 5a having its inner peripheral surface designed to engage with the first side cover 6a, comprises the first fitting section 81 having a plurality of male screw sections 83 which are each circumferentially formed on the outer peripheral surface of the brake case 65 at some intervals, projected in the radial direction and provided with a continuous screw thread, and the second fitting section 82 capable of contacting with the section 81 and comprising a plurality of cut sections 84 formed on the inner peripheral surface of an opening 5d so as to receive the male screw sections 83 and female screw sections 85 formed on the other section than the cut sections 84, screwed with the male screw sections 83 and having its inner diameter larger than the outer diameter of the outer peripheral surface of the brake case 65.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component attaching / detaching structure for detachably fastening a first component having an outer peripheral surface and a second component having an inner peripheral surface fitted to the outer peripheral surface, and a fishing reel. The present invention relates to a fishing reel component detachable structure for detachably fastening a first component to a second component.

[0002]

2. Description of the Related Art A dual bearing reel generally includes a reel body mounted on a fishing rod, a spool rotatably mounted on the reel 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 reel frame (an example of a first component) having a pair of left and right side plates and a connecting member that connects the both side plates, and a pair of left and right side covers (an example of a second component) that cover both sides of the reel 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 attached to the side plate to facilitate removal of the spool from the opening. I have.

Conventionally, a bayonet structure or a screw structure has been used as a detachable structure for detachably attaching the side cover to the side plate. When the bayonet structure is used, for example, a plurality of claw portions are provided around the opening of the side plate at intervals in the circumferential direction, and a radially protruding projection locked on the claw portion is provided on the side cover side. Then, set the side cover to 6
By swinging about 0 degrees, the protrusion is locked or unlocked to the claw, and the side cover and the side plate are detached. When a screw structure is used, a female screw portion is provided on the inner peripheral surface of the opening, and a male screw portion screwed to the female screw portion is rotatably provided on the side cover. Then, the side cover and the side plate are attached and detached by rotating the male screw portion one or more turns.

[0004]

In the above-mentioned detachable structure using the conventional bayonet structure, the swing angle is small and detachment is easy. However, high-precision and expensive machining is required in order to suppress the backlash of the structure in which the claw portion is locked to the projection portion and improve the rigidity. For this reason, it is difficult to obtain the required rigidity at low cost.

On the other hand, in a detachable structure using a screw structure, rigidity can be improved by inexpensive screw processing.
However, in order to obtain a required feeling of rigidity at the time of fastening, the male screw portion must be completely adhered to the side plate, and the male screw portion needs to be rotated by one or more turns, and the attaching and detaching operation is troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide a detachably fastened 2
An object of the present invention is to provide a detachable structure for two components that can be easily attached and detached and that a required rigidity can be obtained at a low cost at the time of fastening.

[0007]

According to a first aspect of the present invention, there is provided a component attaching / detaching structure for detachably fastening a first component having an outer peripheral surface and a second component having an inner peripheral surface fitted to the outer peripheral surface. And a first fastening portion and a second fastening portion. The first fastening portion has a plurality of male screw portions formed on the outer peripheral surface of the first component at intervals in the circumferential direction and projecting in the radial direction and having continuous threads. The second fastening portion includes a plurality of cutout portions formed on an inner peripheral surface of the second component so that a plurality of male screw portions can be inserted, and a male screw formed on a portion of the inner peripheral surface except for a cutout portion forming portion. A female threaded portion screwed into the portion and having an inner diameter larger than the outer diameter of the outer peripheral surface of the first component, and can be brought into contact with the first fastening portion.

In this component attaching / detaching structure, when the two fastening portions are fastened, the male screw portion and the notch portion face each other. In this state, one of the fastening portions is inserted into the other fastening portion to a position where the two screw portions can be screwed, and the relative rotation is performed until the first fastening portion comes into contact with the second fastening portion. Then, the plurality of male screw portions are screwed into the female screw portions, and both fastening portions are fastened. At this time, since the male screw portion can be inserted to the far side of the female screw portion, the first fastening portion and the second fastening portion can be brought into contact with each other only by slightly rotating both fastening portions. For this reason, the attachment / detachment operation of one fastening portion to the other fastening portion is simplified. Further, since the two fastening portions are fastened with screws, the feeling of rigidity can be improved by inexpensive screw processing, and the required feeling of rigidity can be obtained at low cost.

[0009] In a component mounting / removing structure according to a second aspect of the present invention, in the structure according to the first aspect, the male screw portion is formed at two or more opposing outer peripheral surfaces of the first component. In this case, since the both male screw portions are arranged within 180 degrees, the both fastening portions can be fastened with a rotation of less than 180 degrees.

According to a third aspect of the present invention, there is provided a fishing reel component fastening structure for detachably fastening a first component of a fishing reel to a second component, the first fastening portion and the second fastening portion. And The first fastening portion has a convex portion having an outer peripheral surface formed on a surface facing one of the first and second components and the other, and is spaced apart from the outer peripheral surface in a circumferential direction. And a plurality of externally threaded portions formed and projecting radially outward and having continuous threads. The second fastening portion is formed on the surface of the other component facing the one component and has a concave portion having an inner peripheral surface larger in diameter than the outer peripheral surface, and is formed on the inner peripheral surface so that a plurality of male screw portions can be inserted therein. A plurality of notches,
A female screw portion formed on a portion of the inner peripheral surface other than the cutout portion forming portion and screwed into the male screw portion, and can be brought into contact with the first fastening portion.

In this component attachment / detachment structure, when the two fastening portions are fastened, the male screw portion and the notch portion face each other. In this state, one of the fastening portions is inserted into the other fastening portion to a position where the two screw portions can be screwed, and the relative rotation is performed until the first fastening portion comes into contact with the second fastening portion. Then, the plurality of male screw portions are screwed into the female screw portions, and both fastening portions are fastened. At this time, since the male screw portion can be inserted to the far side of the female screw portion, the first fastening portion and the second fastening portion can be brought into contact with each other only by slightly rotating both fastening portions. For this reason, the attachment / detachment operation of one fastening portion to the other fastening portion is simplified. In addition, since the two fastening portions are fastened with screws, rigidity can be improved by inexpensive screw processing.

[0012] In a fourth aspect of the invention, there is provided a fishing reel component mounting / removal structure, wherein the male screw portion is formed at two opposing outer peripheral surfaces of the first component. In this case, since both male screw portions are arranged within 180 degrees, 1
Both fastening portions can be fastened with a rotation of less than 80 degrees.

According to a fifth aspect of the invention, there is provided a fishing reel component fastening structure according to the third or fourth aspect, wherein the fishing reel is a dual bearing reel, and the second component is a side plate of a reel frame mounted on a fishing rod. The first component is a side cover detachably attached to the side plate. In this case, when the entire side cover is turned by less than 180 degrees, the side cover can be attached to and detached from the side plate, and the attaching and detaching operation of the side cover is simplified. In addition, since the two fastening portions are fastened by screws, the rigidity of the side cover can be improved by inexpensive screw processing.

According to a sixth aspect of the present invention, in the structure of the third or fourth aspect, the fishing reel is a dual bearing reel, and the second component is a side plate of a reel frame mounted on a fishing rod. The first component is a rotating member rotatably and movably mounted a predetermined distance on a side cover mounted on the side plate so as to be swingable and axially movable. In this case, the rotating member is not 180
By rotating by less than a degree, the rotating member is attached to and detached from the side plate. By pressing the side cover with this rotating member, the side cover can be mounted on the side plate. In addition, since the side cover is swingably attached to the side plate, the side cover does not fall off the side plate, and the side cover is not easily lost.

According to a seventh aspect of the present invention, there is provided a fishing reel component fastening structure according to any one of the third to sixth aspects, wherein the male fastening portion is mounted on the second fastening portion, the tip of the first fastening portion abuts and the male thread portion is in contact with the second fastening portion. And a cushion member that retreats by being screwed into the female screw portion. In this case, if the two screw portions are set to screw together when the tip of the first fastening portion abuts on the cushion member, the two fastening portions are relatively rotated at the time of abutting on the cushion member. The screw portion is screwed and the cushion member retreats. And when both fastening parts abut, both fastening parts are firmly fastened. Here, if the two screw portions are set to be screwed together when the tip of the first fastening portion abuts on the cushion member, the two screw portions can be easily screwed simply by bringing the first fastening portion into contact with the cushion member. Can be combined. In addition, since the two fastening portions are urged by the cushion member even after the fastening, the two fastening portions are less likely to relatively rotate at the time of fastening, and are less likely to be loosened.

According to an eighth aspect of the invention, there is provided the fishing reel component fastening structure according to the seventh aspect, wherein the male screw portion and the female screw portion can be screwed together when the tip of the male screw portion comes into contact with the cushion member. Thus, both screw portions are formed. In this case, the two screw portions can be easily screwed only by bringing the first fastening portion into contact with the cushion member.

According to a ninth aspect of the present invention, there is provided the fishing reel component fastening structure according to any one of the third to sixth inventions, wherein the second fastening portion is provided on a surface of the second fastening portion facing the first fastening portion, and comprises a plurality of male screws. A ring member having a circumferential surface smaller than the maximum outer diameter of the portion and a cutout portion for passage through which the male screw portion can pass is further provided. In this case, if the first fastening portion is not sufficiently inserted into the second fastening portion, the male screw portion is caught on the ring member and the first fastening member cannot be rotated. Therefore, the two fastening portions are not fastened in an insufficient state.

According to a tenth aspect of the present invention, there is provided the fishing reel component fastening structure according to any one of the third to ninth aspects.
Both screw portions are constituted by a plurality of threads. In this case, since both screw portions are formed of a plurality of threads, the number of threads can be increased while increasing the lead (propulsion distance per rotation), and both fastening portions have high strength. Can be concluded.

[0019] In a fishing reel component fastening structure according to an eleventh aspect of the present invention, in the structure according to any one of the fifth to tenth aspects, the minimum inner diameter of the female screw portion is larger than the maximum outer diameter of the spool of the dual-bearing reel. In this case, since the spool can pass through the female screw portion, attachment and detachment of the spool becomes easy.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a 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 arranged on the side of the reel body 1, and a drag adjusting star drag 3 arranged on the handle 2 on the reel body 1 side. The handle 2 is of a double handle type having a plate-shaped arm portion 2a and handles 2b rotatably mounted on both ends of the arm portion 2a. The outer surface of the arm portion 2a is formed of a smooth surface with no seams, and has a structure in which the fishing line is not easily entangled.

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

The frame 5 includes a pair of side plates 5a and 5b arranged to face each other at a predetermined interval, and a plurality of connecting portions 5c (see FIG. 3) connecting these side plates 5a and 5b. have. As shown in FIG. 3, a metal mounting leg 4 long, for example, made of stainless steel or the like, which is long before and after mounting the reel to the fishing rod, is screwed to the two lower connecting portions 5 c.

The first side cover 6a is swingably mounted on 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. First side cover 6a
As shown in FIG. 2, the cover body 33 covers the outside of the side plate 5a, a swing shaft 34 for swingably supporting the cover body 33, and a cover body 33 in a direction away from the side plate 5a. And an energizing coil spring 35. The cover main body 33 is a member made of a synthetic resin curved outward so as to cover the side plate 5a, and has a circular opening 33a formed at the center.

The swing shaft 34 is fixed to the cover main body 33. At the tip of the swing shaft 34, as shown in FIG. 4, a screw portion 34a and a large-diameter tool A stop portion 34b is formed. The screw portion 34a is fixed to the cover main body 33 by screwing it into the cover main body 33.
A pipe member 70 is concentrically arranged on the outer peripheral side of the swing shaft 34 so as to penetrate the side plate 5a. The tip of the swing shaft 34 is rotatably supported by the pipe member 70, and the base end is rotatably supported by the side plate 5b. Also, as shown in FIG.
A retaining ring 34d is attached to the rear end of the swing shaft 34,
The swing shaft 34 is prevented from coming off the frame 5.

The pipe member 70 supports the swing shaft 34 so as to be rotatable and immovable in the axial direction. The pipe member 70 has a pipe main body 71 and a storage member 72 non-rotatably locked at the base end side (the right side in FIG. 4) of the pipe main body 71. A large-diameter portion 71a is formed at the tip of the pipe main body 71, and an O-ring 73 is mounted inside the large-diameter portion 71a to regulate and regulate the swing speed of the first side cover 6a.

As shown in FIG. 5, a parallel chamfered portion 71b is formed on the outer peripheral surface of the pipe body 71 except for the large diameter portion 71a.
The side plate 5a is formed with an oval hole 5e for supporting the chamfered portion 71b so as to be axially movable and non-rotatable.

An O-ring 74 for restricting the swing speed of the first side cover 6a is mounted on the storage member 72.
The O-ring 74 is locked by a washer 75,
The washer 75 is immovable in the axial direction by a retaining ring 76. By holding the pipe member 70 between the retaining ring 76 and the tool engagement portion 34b, the swing shaft 34 is supported so as not to move in the axial direction with respect to the pipe member 70.

As described above, the swing shaft 34 and the pipe member 70
When the O-rings 73 and 74 are mounted between the two members to regulate the rotation speed of the swing shaft 34, the speed of the swing shaft 34 can be easily regulated by the friction caused by the elasticity of the elastic member. In addition, since only the rotation of the swing shaft 34 is restricted by the O-ring and the resistance of the O-ring is not applied to the axial movement of the pipe member 70, the cover body 33 moves smoothly in the axial direction. It is not necessary to provide only the O-ring 73 and to provide the O-ring 74.

The coil spring 35 includes a large diameter portion 71a and a side plate 5
a in a compressed state. As a result, the first side cover 6a is attached to the side plate 5a so as to be swingable and movable by a predetermined distance in the axial direction, and can be opened and closed without falling off the side plate 5a. In addition, the second side cover 6b
Are screwed to the side plate 5b. First side cover 6a
As shown in FIGS. 2 and 6, a lock mechanism 36 for opening and closing operation is provided in addition to the above-mentioned opening and closing structure. The lock mechanism 36 is a mechanism for locking and unlocking the first side cover 6a in the closed state. The lock mechanism 36
As shown in FIG. 6, an operating portion 37 is mounted on the opening 33a of the cover main body 33, and a lock member 38 is mounted on the operating portion 37 so as to be able to advance and retreat in the radial direction. Operation unit 37
Has an operation unit main body 37a rotatably and axially mounted in the opening 33a, and an operation knob 37b mounted swingably around a radial axis of the operation unit main body 37a.

The operation section main body 37a is a substantially cylindrical member, and is urged by a coil spring 44 in a direction approaching the cover main body 33. A bottomed cylindrical brake case 65 of a centrifugal brake mechanism to be described later is fixed to the operation unit main body 37a with screws. The brake case 65 is detachably attached to a spool attachment / detachment opening 5d formed in the side plate 5a by the attachment / detachment structure 80.

As shown in FIGS. 8 and 9, the detachable structure 80 includes a first fastening portion 81 provided on the outer circumferential surface of the brake case 65 and a second fastening portion 8 provided on the inner circumferential surface of the opening 5d.
2 is provided. The first fastening portion 81 has two male screw portions 83 formed on the outer peripheral surface of the brake case 65 at intervals in the circumferential direction and projecting radially outward and having continuous threads. The second fastening portion 82 includes two notches 84 formed on the inner peripheral surface so that two male screw portions 83 can be inserted into the inner peripheral surface of the opening 5d, and a cutout portion 84 formed on the inner peripheral surface. And a female screw portion 85 which is formed on the removed portion and is screwed to the male screw portion 83. The opening 5d is provided in the brake case 6
5 can be in contact with the tip. The outer diameter of the outer peripheral surface of the brake case 65 excluding the portion where the male screw portion 83 is formed is smaller than the minimum inner diameter of the female screw portion 85. In addition, the two male screw portions 83 each have a length of about 1/8 of the entire circumference of the outer peripheral surface,
They are arranged facing each other. The female screw part 85 has the notch part 8
It is formed adjacent to and opposed to 4 and has a continuous thread. These screw portions 83 and 85 are single screws, for example, a metric fine screw M40 × 1.5 specified in JIS B0207. Therefore, the maximum outer diameter of the male screw part 83 is 40 mm, and the female screw part 85
Has a minimum inner diameter of 38.376 mm.

The detachable structure 80 further includes a second fastening portion 82
Has a cushion member 86 and a ring member 87 which are mounted on the base member.

The cushion member 86 is connected to the opening 5 of the side plate 5a.
d is fixed to the small-diameter stepped portion 5e formed on the spool 12 side by an appropriate fixing means such as partial bonding or caulking. The inner diameter of the step 5e is larger than the maximum outer diameter of the spool 12. The cushion member 86 is an elastic member with which the tip of the first fastening portion 81, that is, the tip of the brake case 65 abuts, and which retreats when the male screw portion 83 is screwed into the female screw portion 85. It is constituted by a ring-shaped corrugated spring made of stainless steel. The cushion member 86 is not limited to a corrugated spring,
Any material having elasticity may be used. The cushion member 86 is provided so that the male screw part 83 and the female screw part 85 can be screwed together when the tip of the male screw part 83 comes into contact with the cushion member 86.

The ring member 87 is a member made of a synthetic resin, and is fixed to an outer end surface of the opening 5d by an appropriate fixing means such as adhesion. The ring member 87 is a member having an inner diameter smaller than the maximum inner diameter of the female screw portion 85, and a cutout portion (not shown) for passing the male screw portion 83 having the same shape is formed at a position corresponding to the cutout portion 84. Have been. The ring member 87 is provided so that the male screw portion 83 does not screw into the female screw portion 85 when the male screw portion 83 is not sufficiently inserted into the female screw portion 85 until the male screw portion 83 contacts the cushion member 86. Thereby, both screw parts 83 and 85 in an insufficient state
Is prevented.

By attaching the first side cover 6a to the frame 5 by such an attaching / detaching structure 80, the amount of rotation is reduced and the attaching / detaching operation is facilitated.

The operation knob 37b is swingable between a lock position accommodated in the operation portion main body 37a shown in FIG. 2 and a lock release position protruding from the operation portion main body 37a shown in FIG. A part of the operation knob 37b is a lock member 38.
Is engaged. The lock member 38 includes an operation unit main body 37a.
Is a member for locking the rotation of the first side cover 6a so that the first side cover 6a does not open in the closed state. When the lock member 38 advances to the lock position shown in FIG. 2, the distal end can be engaged with any one of a plurality of recesses 33b formed at intervals in the circumferential direction in the opening 33a, and the lock release position shown in FIG. When it is retracted, the engagement with the concave portion 33b is released and the operation portion main body 37
a becomes rotatable. The lock member 38 is connected to the operation section main body 3.
It is urged to the advance side by a coil spring 39 mounted on 7a.

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 uniformly winding the fishing line in the spool 12, It can be used for your thumb,
The clutch lever 17 is disposed. A 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 disengagement of the clutch mechanism 13 are provided between the frame 5 and the second side cover 6 b. Clutch disengagement mechanism 19 for performing
An engagement / disengagement control mechanism 20 for controlling engagement / disengagement of the clutch mechanism in accordance with an operation of the clutch lever 17, a drag mechanism 21, and a casting control mechanism 22 for adjusting a resistance force when the spool 12 rotates. Is arranged. Further, a centrifugal brake mechanism 23 for suppressing backlash during casting is arranged between the frame 5 and the first side cover 6a.

The spool 12 has a dish-shaped flange portion 12a on both sides, and a cylindrical bobbin trunk 12b between the flange portions 12a. Also, the spool 12
Has a cylindrical boss portion 12c integrally formed at a substantially central portion in the axial direction on the inner peripheral side of the bobbin trunk portion 12b, and is provided with a spool shaft 16 penetrating through the boss portion 12c, for example, by serration connection. Is fixed so that it cannot rotate. This fixing method is not limited to serration connection, and various connection methods such as key connection and spline connection can be used. The spool 12 can pass through the step 5e of the side plate 5a. The spool shaft 16 extends outside the second side cover 6b through the side plate 5b. One end of the extended portion is connected to a boss 6c formed on the second side cover 6b.
4a rotatably supported. The other end of the spool shaft 16 is rotatably supported in the centrifugal brake mechanism 23 by a bearing 24b. These bearings 24a,
24b is a shield ball bearing.

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

The level wind mechanism 15 is shown in FIGS.
As shown in FIG. 5, the guide cylinder 25 includes a guide tube 25 fixed between the pair of side plates 5a and 5b, a worm shaft 26 rotatably supported in the guide tube 25, and a line guide 27. The worm shaft 26 is formed with a spiral groove 26a that intersects, and the line guide 27 is engaged with the spiral groove 26a.

In the level wind mechanism 15, the worm shaft 26 is rotated via the gear mechanism 18, so that the line guide 27 reciprocates along the guide cylinder 25. The fishing line is inserted into the line guide 27, and the fishing line is uniformly wound around the spool 12.

The gear mechanism 18 includes a handle shaft 30, a main gear 31 fixed to the handle shaft 30, a cylindrical pinion gear 32 meshing with the main gear 31, and a gear fixed to an end of the worm shaft 26. 28a and a gear 28b that is fixed to the handle shaft 30 so as not to rotate and meshes with the gear 28a. 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. Therefore, the gear mechanism 1
8 and the lower part of the second side cover 6b
It is located below the lower part of the side plate 5a and the first side cover 6a.

The pinion gear 32 is, as shown in FIG.
It extends inward from the outside of the side plate 5b, and the spool shaft 16
Is a cylindrical member that penetrates, and is mounted on the spool shaft 16 so as to be movable in the axial direction. The left end of the pinion gear 32 in FIG. 3 is supported by the side plate 5b by a bearing 43 so as to be rotatable and movable in the axial direction. This bearing 43 is also a shield ball bearing.

The pinion gear 32 is formed on an outer peripheral portion on the right end side in FIG. 3 and meshes with the main gear 31; a meshing portion 32b formed on the other end side; And a constricted portion 32c formed at the bottom. The engaging portion 32b is formed of a concave groove formed along the diameter of the end face of the pinion gear 32, and the engaging pin 16b fixed through the spool shaft 16 is locked therein. Here, the pinion gear 32 moves outward, and the meshing portion 32b and the engaging pin 16b of the spool shaft 16 are moved.
Is released, the rotational force from the handle shaft 30 is not transmitted to the spool 12. The clutch mechanism 13 is constituted by the engagement portion 32b and the engagement pin 16b. When the engagement pin 16b is engaged with the engagement portion 32b, the pinion gear 32 having a larger diameter than the spool shaft 16
Since the torque is directly transmitted to 6, the torsional deformation is reduced, and the torque transmission efficiency is improved.

As shown in FIG. 2, the clutch lever 17 is disposed rearward of the spool 12 at a rear portion between the pair of side plates 5a and 5b. A long hole (not shown) is formed in the side plates 5a and 5b of the frame 5, and the clutch lever 17
Is rotatably supported by this elongated hole. For this reason, the clutch lever 17 can also slide up and down along the long hole.

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

With such a configuration, in the normal state, the pinion gear 32 is located at the inner clutch engagement position.
The engagement pin 32 of the spool shaft 16 is engaged with the engagement portion 32b.
b is engaged and the clutch is on. 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
Is disengaged and the clutch is turned off.

The drag mechanism 21 has a friction plate 45 pressed by the main gear 31 and a pressing plate 46 for pressing the friction plate 45 against the main gear 31 with a predetermined force by rotating the star drag 3. ing.

The casting control mechanism 22 includes:
It 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 holding force of the spool shaft 16 by the friction plates 51. The left friction plate 51 is mounted in the brake case 65.

As shown in FIG. 6, the centrifugal brake mechanism 23 includes a brake case 65, a rotating portion 66 provided in the brake case 65, and a radially arranged Slider 67 movably mounted
And A cylindrical brake liner 65 a that can contact the slider 67 is fixed to the inner peripheral surface of the brake case 65. On the outer peripheral surface of the brake case 65, the male screw portion 83 of the above-mentioned attaching / detaching structure 80 is formed. The brake case 65 is provided with the side plate 5a as described above.
Is removably attached to the circular opening 5d formed by the attachment / detachment structure 80, and is fixed to the operation unit main body 37a.

Next, the operation of attaching and detaching the spool 12 will be described.

When the fishing line is entangled with the spool 12 due to backlash or the like and the spool 12 is to be removed from the reel body 1, the first side cover 6a is opened and the opening 5d of the side plate 5a is opened.
To release.

To open the first side cover 6a, first, the operation knob 37b is raised from the locked position shown in FIG. 2 and is swung to the unlocked position. When the operation knob 37b is in the unlocked position, the lock member 38 is pressed by the operation knob 37b and moves to the unlocked position against the urging force of the coil spring 39. When the lock member 38 moves to the unlocked position, the tip of the lock member 38 is disengaged from the concave portion 33b of the opening 33a, and the operation portion main body 37a can be rotated.

In this state, the operation knob 37b is set to, for example, 1
When rotated by 35 degrees, as shown in FIG.
7a and the brake case 65 rotates, and the male screw 8
3 is located in the notch 84 in the opening 5d and the female screw 85
Is released, and the connection between the brake case 65 and the side plate 5a is released. When the connection between the brake case 65 and the side plate 5a is released, the brake case 65 is moved outward together with the operation section main body 37a by the coil spring 44.
At the same time, the swing shaft 34 is driven by the urging force of the coil spring 35.
Moves outward in the axial direction, and the first side cover 6a moves in a direction away from the side plate 5a. Brake case 65 is side plate 5
When the first side cover 6a is completely separated from the outer side surface, the first side cover 6a is separated from the reel body 1 and swings around the swing shaft 34 to the open position shown in FIG. Thereby, the opening 5
The spool 12 can be taken out after passing through d. At this time, the speed in the opening direction is regulated to a predetermined speed or less by the O-rings 73 and 74. Therefore, it is difficult for the impact force to act on the reel body 1 at the moving end or the like. Moreover, the first side cover 6a
However, due to the resistance of the O-rings 73 and 74, the reel can be opened slowly and a higher-quality reel can be produced with a high-quality movement.

Take out the spool 12 and re-open the spool 1
When the second cover 2 is mounted, the first side cover 6a is closed. At this time, the cover body 33 is swung by hand to the closed posture side, and then, as shown in FIG. 9A, the operation knob 37b is arranged at a predetermined rotation position so that the male screw portion 83 cuts the opening 5d. Notch 8
4. In this state, as shown in FIG. 9B, the operation knob 37b is pressed to insert the brake case 65 into the opening 5d until the tip of the brake case 65 contacts the tip of the cushion member 86. When the tip of the brake case 65 is brought into contact with the cushion member 86, the male screw portion 83 is arranged at a position where it can be screwed with the female screw portion 85. In this state, the operation knob 37b is rotated by, for example, 135 degrees in a direction opposite to the direction at the time of release, and the two screw portions 83 and 85 are screwed together. Then, when the cushion member 86 retreats while being compressed and the tip of the male screw portion 83 comes into contact with the wall surface of the step 5e, the brake case 65 is connected to the opening 5d. Then, the operation knob 90 is swung from the unlocked position to the locked position, and the lock member is engaged with the concave portion 33b. Thereby, the first side cover 6a is held in the closed position. Here, since the screws are partially removed so that the brake case 65 can be inserted to the depth of the opening 5d, the first side cover 6a can be mounted on the side plate 5a only by slightly turning. For this reason, the attachment / detachment operation of the first side cover 6a is facilitated. Moreover, since the detachable structure 80 can be realized by inexpensive screw processing, a desired rigidity can be obtained at low cost.

[Other Embodiments] (a) In the above embodiment, the brake case 65 fixed to the operation section main body 37 and the side plate 5a are screwed together, and the brake case 65 is turned to rotate the first side cover 6a. The structure which attaches and detaches is adopted. Instead of such a structure, the first side cover 6a and, for example, the brake case 65 are fixed,
A configuration in which the entire side cover 6a is rotated and directly screwed to the side plate 5a may be employed. In this case, it is preferable to separately provide a detent structure for the first side cover 6a.

(B) In the above embodiment, the structure for attaching and detaching the cover has been described, but the present invention is not limited to this.
The present invention is applicable to various types of fishing reel component mounting / removing structures. FIG. 11 shows a detachable structure 1 of the power cord 100 of the electric reel.
01 is applied to the present invention.

Referring to FIG. 11, the electric reel includes a reel body 102, a spool 103 mounted inside the reel body 102, and a handle 104 mounted on one side of the spool 103.

A detachable structure 101 is mounted on the other rear portion of the reel body 102. The detachable structure 101 has a first fastening portion 110 screwed and fixed to the other rear portion of the reel body 102 and a second fastening portion 111 attached to the end of the power cord 100.

The first fastening portion 110 is a cylindrical member, and is provided with a male connector 114 composed of two pins arranged at an interval. Two external thread portions 115 are formed on the outer peripheral surface of the first fastening portion 11. The male screw portion 115 is formed to have a length of about 3/8 of the outer peripheral surface, and a groove 116 having a length of about 1/8 is formed therebetween. A cushion member 120 is mounted on the back side of the groove 116. The cushion member 120 is, for example, an elastic body impregnated with a tetrafluoroethylene resin, and has a small friction coefficient.

The second fastening portion 111 is a cylindrical member mounted on the outer peripheral side of the female connector 117 electrically connected to the male connector 114 so as to be movable and rotatable a predetermined distance in the axial direction. A male screw portion 115 is provided on the inner peripheral surface of the second fastening portion 111.
Are formed with two female screw portions 118 that are screwed into the screw holes. 2
The two female screw portions 118 protrude radially inward, and a notch 119 through which the male screw portion 115 can pass is formed therebetween.

In the detachable structure 101 having such a configuration, the second fastening portion 111 is attached to the outside of the first fastening portion 110 with the female screw portion 118 of the second fastening portion 111 facing the groove portion 116, 2 Connect the tip of the fastening portion 111 to the cushion member 1
20. In this state, the female screw portion 118 of the second fastening portion 11 can be screwed into the male screw portion 115 of the first fastening portion 110. Then, by rotating the second fastening portion 111 clockwise, for example, by about 120 degrees, the two fastening portions 11 are rotated.
0,111 are fastened.

In such an embodiment, the power cord 10
0 can be easily attached and detached, and the power cord can be electrically and reliably connected to the reel body.

(C) In the above embodiment, the male screw portion and the female screw portion are constituted by screws having one thread, but may be constituted by screws having a plurality of threads. If a screw having a plurality of threads is used, the number of threads can be increased while enlarging the lead, and both fastening portions can be fastened with high strength.

(D) The attachment / detachment structure of the present invention is not limited to a fishing reel, but can be applied to an attachment / detachment structure in which various parts are detachably attached by screws.

[0066]

According to the present invention, since the male screw portion can be inserted to the inner side of the female screw portion at the time of component mounting, the first fastening portion can be changed to the second fastening portion only by slightly rotating both fastening portions. Can be abutted. For this reason, the attachment / detachment operation of one fastening portion to the other fastening portion is simplified. Further, since the two fastening portions are fastened with screws, the feeling of rigidity can be improved by inexpensive screw processing, and the required feeling of rigidity can be obtained at low cost.

[Brief description of the drawings]

FIG. 1 is a plan view of a dual-bearing reel according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view thereof.

FIG. 3 is a sectional view taken along the line III-III in FIG. 2;

FIG. 4 is a partial cross-sectional view thereof.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a partial cross-sectional view when the operation knob is rotated.

FIG. 7 is a partial cross-sectional view when the first side cover is unlocked.

FIG. 8 is an exploded perspective view showing a configuration of a detachable structure.

FIG. 9 is a partial sectional view showing a state when the first side cover is attached and detached.

FIG. 10 is a side view when the first side cover is opened.

FIG. 11 is a perspective view of an electric reel adopting another embodiment.

FIG. 12 is a perspective view of the detachable structure.

[Explanation of symbols]

 5 Frame 5a Side plate 6a First side cover 80, 101 Detachable structure 81, 110 First fastening portion 82, 111 Second fastening portion 83, 115 Male thread 84, 119 Notch 85, 118 Female thread

Claims (11)

[Claims] 1. A component attachment / detachment structure for removably fastening a first component having an outer peripheral surface and a second component having an inner peripheral surface fitted to the outer peripheral surface, wherein the outer periphery of the first component is provided. A first fastening portion having a plurality of externally threaded portions formed on a surface at circumferential intervals and projecting radially outward and having continuous threads; and a second fastening portion capable of inserting the plurality of externally threaded portions. A plurality of notches formed on an inner peripheral surface of the component, and a portion formed on a portion of the inner peripheral surface other than the notch forming portion, which is screwed to the male screw portion and has an inner diameter of the outer periphery of the first component A component attaching / detaching structure, comprising: a female screw portion larger than the outer diameter of the surface; and a second fastening portion capable of abutting on the first fastening portion. 2. The component attaching / detaching structure according to claim 1, wherein said male screw portion is formed at two or more opposing outer peripheral surfaces of said first component. 3. A component mounting / dismounting structure for a fishing reel for detachably fastening a first component of a fishing reel to a second component, wherein the component is a component of one of the first and second components. First
A convex portion having an outer peripheral surface formed on a surface facing one of the other component and the second component; and a thread formed radially outwardly and continuously formed on the outer peripheral surface at an interval in the circumferential direction. A first fastening portion having a plurality of male screw portions having: a concave portion formed on a surface of the other component facing the one component and having an inner peripheral surface having a larger diameter than the outer peripheral surface; A plurality of notches formed in the inner peripheral surface so that a male screw portion can be inserted therein, and a female screw portion formed in a portion of the inner peripheral surface other than the notch portion forming portion and screwed to the male screw portion And a second fastening portion that can be brought into contact with the first fastening portion. 4. The fishing reel component attachment / detachment structure according to claim 3, wherein said male screw portion is formed at two or more opposing locations on the outer peripheral surface of said first component. 5. The fishing reel is a dual bearing reel,
The fishing reel component according to claim 3 or 4, wherein the second component is a side plate of a reel frame mounted on a fishing rod, and the first component is a side cover detachably mounted on the side plate. Construction. 6. The fishing reel is a dual bearing reel,
The second component is a side plate of a reel frame mounted on a fishing rod, and the first component is rotatably and movably mounted on a side cover mounted on the side plate so as to be swingable and axially movable. The component attaching / detaching structure for a fishing reel according to claim 3 or 4, wherein the component is a rotating member. 7. A cushion member attached to the second fastening portion, further comprising a cushion member with which the tip of the first fastening portion abuts and which retreats by screwing the male screw portion to the female screw portion. 7. The component mounting / dismounting structure for a fishing reel according to any one of items 1 to 6. 8. The two screw portions are formed such that the male screw portion and the female screw portion can be screwed together when the tip of the male screw portion comes into contact with the cushion member. 7
Component mounting / dismounting structure for a fishing reel according to item 1. 9. A passage provided on a surface of said second fastening portion facing said first fastening portion, said circumferential surface being smaller than a maximum outer diameter of said plurality of male screw portions and allowing passage of said male screw portion. The ring member having a notch portion is further provided.
The fishing reel component mounting / removing structure according to any one of the above. 10. The component mounting / removing structure for a fishing reel according to claim 3, wherein said two screw portions are formed by a plurality of threads. 11. The fishing reel component mounting / dismounting structure according to claim 5, wherein a minimum inner diameter of the female screw portion is larger than a maximum outer diameter of a spool of the dual-bearing reel.