Drag mechanism for double-bearing reel and double-bearing reel

Abstract

To provide a drag device for a double-bearing reel and a double-bearing reel that can reduce the manufacturing tolerance between the operating member and the nut member. [Solution] The drag device 5 is positioned on the handle shaft 30. The drag device 5 comprises an operating member 51, a nut member 52, a drag mechanism 53, and an elastic member 55. The operating member 51 has a through hole 51b that penetrates the handle shaft 30 in the axial direction and is positioned to be operable around the axis of the handle shaft 30. The nut member 52 is positioned between the inner circumferential surface of the through hole 51b and the outer circumferential surface of the handle shaft 30 and moves axially in response to the operation of the operating member 51. The drag mechanism 53 changes the drag force in response to the axial movement of the nut member 52. The elastic member 55 is elastically deformable and is positioned between the inner circumferential surface of the through hole 51b and the outer circumferential surface of the nut member 52.

Description

Technical Field

[0001] The present invention relates to a drag device for a double-bearing reel disposed on a handle shaft and a double-bearing reel.

Background Art

[0002] Patent Document 1 discloses a drag device disposed on a handle shaft. The drag device brakes the rotation of the spool in the yarn payout direction. The drag device includes an operating member, a nut member, and a drag mechanism. The drag device changes the pressing force for pressing the drag mechanism by the axial movement of the nut member in response to the rotational operation of the operating member. Thereby, the drag force of the drag device is adjusted. The nut member is disposed in a through-hole of the operating member through which the handle shaft passes, and is disposed so as to be integrally rotatable with the operating member and axially movable.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In a drag device in which the nut member is disposed so as to be integrally rotatable with the operating member and axially movable, strict tolerance management is required in the radial clearance between the nut member and the operating member in order to suppress loosening of the operating member with respect to the nut member.

[0005] An object of the present invention is to provide a drag device for a double-bearing reel and a double-bearing reel that can reduce the manufacturing tolerances between the operating member and the nut member.

Means for Solving the Problems

[0006] A first aspect of the present invention is a drag device for a double-bearing reel arranged on a handle shaft, comprising an operating member, a nut member, a drag mechanism, and an elastic member. The operating member has a through hole that penetrates the handle shaft in the axial direction and is arranged to be operable around the axis of the handle shaft. The nut member is arranged between the inner circumferential surface of the through hole and the outer circumferential surface of the handle shaft and moves axially in response to the operation of the operating member. The drag mechanism changes the drag force in response to the axial movement of the nut member. The elastic member is elastically deformable and is arranged between the inner circumferential surface of the through hole and the outer circumferential surface of the nut member.

[0007] In this drag mechanism, the loosening of the operating member relative to the nut member can be suppressed by an elastic member. This allows for a simpler configuration and reduces manufacturing tolerances between the operating member and the nut member, thereby lowering the manufacturing cost of the drag mechanism.

[0008] With respect to a second aspect of the present invention, the drag device according to the first aspect includes a housing portion for accommodating an elastic member on at least one of the inner circumferential surface of the through hole and the outer circumferential surface of the handle shaft. In this case, since the elastic member can be placed in the housing portion, the assembly process of the drag device becomes easier.

[0009] Regarding a third aspect of the present invention, in the drag device according to the second aspect, the housing portion is provided on the outer circumferential surface of the nut member and has a groove that is recessed toward the inner circumferential surface of the through hole, and the elastic member is fitted into the groove. In this case, the processing of the housing portion is made easier, and the elastic member can be held in the groove.

[0010] Regarding a fourth aspect of the present invention, in a drag device according to any one of the first to third aspects, the elastic member is an O-ring. In this case, the manufacturing tolerances between the operating member and the nut member can be reduced with an even simpler configuration.

[0011] The fifth side-bearing reel of the present invention is equipped with a drag device relating to any one of the first to fourth sides. [Effects of the Invention]

[0012] According to the present invention, it is possible to provide a drag device for a double-bearing reel and a double-bearing reel that can reduce the manufacturing tolerance between the operating member and the nut member. [Brief explanation of the drawing]

[0013] [Figure 1] A cross-sectional view of a double-bearing reel according to the embodiment. [Figure 2] Partially exploded perspective view of the double-bearing reel. [Figure 3] A partial cross-sectional view of a double-bearing reel. [Figure 4] A magnified view of a portion of Figure 3. [Figure 5] Perspective view of the nut component. [Modes for carrying out the invention]

[0014] The following describes a double-bearing reel equipped with a drag device according to an embodiment, with reference to the drawings. As shown in Figure 1, the double-bearing reel 1 comprises a reel body 2, a handle 3, a spool 4, and a drag device 5. The double-bearing reel 1 also includes various mechanisms such as a rotation transmission mechanism 20 that transmits the rotation of the handle 3 to the spool 4, a clutch mechanism 21, a casting control mechanism 22, and a spool braking mechanism 23. Since the rotation transmission mechanism 20, clutch mechanism 21, casting control mechanism 22, and spool braking mechanism 23 have the same configuration as conventional reels, a detailed explanation will be omitted.

[0015] In the following explanation, when fishing, the direction in which the fishing line is released is referred to as "forward," and the opposite direction is referred to as "backward." Also, "left and right" refers to the left and right when viewing the double-bearing reel 1 from the rear. Furthermore, the direction in which the rotation axis X of the spool 4 extends is referred to as the axial direction, the direction perpendicular to the rotation axis X is referred to as the radial direction, and the direction around the rotation axis X is referred to as the circumferential direction.

[0016] The reel body 2 has a frame 6, a right cover 7 covering the right side of the frame 6, and a left cover 8 covering the left side of the frame 6. The frame 6 has a first side plate 6a, a second side plate 6b arranged at an axial interval from the first side plate 6a, and a plurality of connecting parts 6c connecting the first side plate 6a and the second side plate 6b.

[0017] As shown in FIG. 2, the right cover 7 has a circular part 7a and a bulging part 7b. The bulging part 7b protrudes outward and radially outward from the circular part 7a.

[0018] The handle 3 is rotatably mounted on the side of the reel body 2. In this embodiment, the handle 3 is mounted on the right side of the reel body 2. The handle 3 has an arm part 3a and a grip 3b. The arm part 3a is plate-shaped, is integrally rotatably mounted on a handle shaft 30 described later, and is fastened to the handle shaft 30 by a nut 28. The grip 3b is rotatably mounted at the tip of the arm part 3a.

[0019] The spool 4 is rotatably supported by the reel body 2 between the first side plate 6a and the second side plate 6b. The spool 4 is fixed to a spool shaft 10 that is rotatably supported by the reel body 2. The spool 4 is rotatably supported by the reel body 2 via the spool shaft 10. In this embodiment, the rotation axis X of the spool 4 coincides with the axis of the spool shaft 10.

[0020] The handle shaft 30 is rotatably supported by the reel body 2. The rotation of the handle shaft 30 in the thread pay-out direction is prohibited by a roller-type first one-way clutch 86 and a claw-type second one-way clutch 87 (see FIG. 3). The handle shaft 30 has a plurality of anti-rotation parts 30a, a first male screw part 30b, and a second male screw part 30c. The plurality of anti-rotation parts 30a are constituted by parallel notch surfaces formed on the outer peripheral surface. The first male screw part 30b is where the arm part 3a of the handle 3 is fixed.

[0021] The drag device 5 brakes the rotation of the spool 4 in the thread payout direction. The drag device 5 is arranged on the handle shaft 30.

[0022] As shown in FIGS. 2 to 5, the drag device 5 includes an operation member 51, a nut member 52, a drag mechanism 53, a housing portion 54, and an elastic member 55.

[0023] The operation member 51 is arranged so as to be operable around the axis of the handle shaft 30. As shown in FIG. 4, the operation member 51 is biased toward the arm portion 3a of the handle 3 by a spring member 43 disposed between the nut member 52 and a sound - emitting plate 64a described later. The spring member 43 is, for example, a compression coil spring and is disposed in a compressed state between the nut member 52 and the sound - emitting plate 64a.

[0024] The operation member 51 has a main body portion 51a, a through - hole 51b, and a plurality of operation portions 51c. The main body portion 51a is formed in a cylindrical shape. The main body portion 51a extends in the axial direction. The through - hole 51b penetrates the main body portion 51a in the axial direction of the handle shaft 30. The through - hole 51b has a first housing portion 51d and a second housing portion 51e. The first housing portion 51d has a substantially rectangular cross - section. The inner peripheral surface of the first housing portion 51d has a plurality of flat surfaces. The second housing portion 51e is arranged axially aligned with the first housing portion 51d. The second housing portion 51e has a larger diameter than the first housing portion 51d and has a circular cross - section. The plurality of operation portions 51c extend circumferentially from the outer peripheral surface of the main body portion 51a. Each of the plurality of operation portions 51c is arranged at intervals in the circumferential direction.

[0025] The nut member 52 is disposed between the inner peripheral surface of the through - hole 51b and the outer peripheral surface of the handle shaft 30. The nut member 52 is housed in the first housing portion 51d. The nut member 52 is movable in the axial direction within the first housing portion 51d. The nut member 52 moves axially in response to the operation of the operation member 51. The nut member 52 is screwed with the handle shaft 30 and moves axially by rotating. The drag force of the drag mechanism 53 changes according to the axial movement of the nut member 52.

[0026] The nut member 52 presses against the multiple disc springs 50 via the washer 70. The multiple disc springs 50 are positioned between the nut member 52 and the bearing 16, and the spring force, which changes due to the axial movement of the nut member 52, is transmitted to the drag mechanism 53 via the bearing 16 and the inner ring of the first one-way clutch 86.

[0027] The nut member 52 has a plurality of flat surfaces 52a arranged on its outer circumference and a female thread 52b arranged on its inner circumference. The plurality of flat surfaces 52a are configured to engage with the plurality of flat surfaces of the first housing portion 51d of the through hole 51b of the operating member 51. As a result, the nut member 52 rotates integrally with the operating member 51. The female thread 52b is screwed into the second male thread portion 30c of the handle shaft 30. As a result, the nut member 52 moves axially by rotating in response to the operation of the operating member 51. When the nut member 52 moves axially, the operating member 51 does not move axially due to the biasing force of the spring member 43. Therefore, the distance between the operating member 51 and the arm portion 3a is always constant.

[0028] The drag mechanism 53 is positioned around the handle shaft 30. As shown in Figure 3, the drag mechanism 53 includes a first drag washer 53a, a second drag washer 53b, and a third drag washer 53c. The first drag washer 53a, the second drag washer 53b, and the third drag washer 53c are pressed by a nut member 52. The first drag washer 53a engages with one of the anti-rotation portions 30a of the handle shaft 30 and is rotatably connected to the handle shaft 30. The first drag washer 53a is rotatably connected to the inner ring of the first one-way clutch 86.

[0029] The second drag washer 53b is rotatably connected to the drive gear 31. The drive gear 31 is rotatably mounted on the handle shaft 30 and is frictionally coupled to the handle shaft 30 via the drag device 5.

[0030] The third drag washer 53c engages with one of the anti-rotation parts 30a of the handle shaft 30 and is connected to the handle shaft 30 so as to be able to rotate integrally with it. The handle shaft 30 is prevented from reversing by the first one-way clutch 86 and the second one-way clutch 87, and the first drag washer 53a and the third drag washer 53c do not rotate in the line-out direction even when the drive gear 31 rotates in the line-out direction.

[0031] The drag mechanism 53 has drag discs 61a to 61d. The drag discs 61a to 61d are made of, for example, carbon or felt. Drag disc 61a is positioned between the first drag washer 53a and the second drag washer 53b. Drag disc 61b is positioned between the second drag washer 53b and the third drag washer 53c. Drag disc 61c is positioned between the third drag washer 53c and the drive gear 31. Drag disc 61d is positioned between the drive gear 31 and the ratchet wheel 62. The ratchet wheel 62 is integrally rotatable on one of the anti-rotation portions 30a of the handle shaft 30. The ratchet wheel 62 is positioned in contact with the flange portion 30d of the handle shaft 30 in the axial direction. The flange portion 30d is subjected to a pressing force from the nut member 52.

[0032] The housing portion 54 is provided on at least one of the inner circumferential surface of the through hole 51b and the outer circumferential surface of the handle shaft 30. The housing portion 54 houses the elastic member 55. As shown in Figure 5, in this embodiment, the housing portion 54 is provided on the outer circumferential surface of the nut member 52. The housing portion 54 has a groove portion 54a that is recessed toward the inner circumferential surface of the through hole 51b. The groove portion 54a extends along the circumferential direction. When the housing portion 54 is provided on the outer circumferential surface of the handle shaft 30, the housing portion 54 is provided on the outer circumferential surface of the first housing portion 51d of the through hole 51b.

[0033] The elastic member 55 is elastically deformable. The elastic member 55 is positioned between the inner circumferential surface of the through hole 51b and the outer circumferential surface of the nut member 52. The elastic member 55 is positioned in contact with the inner circumferential surface of the through hole 51b and the outer circumferential surface of the nut member 52. The elastic member 55 is elastically deformable and is, for example, an O-ring. The elastic member 55 is fitted into the groove 54a. When the elastic member 55 is fitted into the groove 54a, the elastic member 55 is exposed from the groove 54a when viewed from the axial direction. That is, the outer diameter of the elastic member 55 is greater than the depth of the groove 54a.

[0034] The drag device 5 has a drag operation sound-producing mechanism 64. The drag operation sound-producing mechanism 64 produces sound by the rotation of the operating member 51. The drag operation sound-producing mechanism 64 has a sound-producing plate 64a, a striking pin 64b, and a biasing member 64c.

[0035] The sound-emitting plate 64a is connected to the anti-rotation portion 30a of the handle shaft 30 so as to be able to rotate integrally with the handle shaft 30. The sound-emitting plate 64a is housed in the second housing portion 51e. The sound-emitting plate 64a is prevented from coming off the operating member 51 by a retaining ring 66. The sound-emitting plate 64a has a number of sound-emitting recesses into which the striking pin 64b strikes. The striking pin 64b is housed so as to be able to move back and forth in a recess 51f formed in the stepped surface between the first housing portion 51d and the second housing portion 51e. The biasing member 64c biases the striking pin 64b toward the sound-emitting plate 64a.

[0036] In the drag device 5 of the double-bearing reel 1 described above, the elastic member 55 can suppress the loosening of the operating member 51 relative to the nut member 52. As a result, the manufacturing tolerances between the operating member 51 and the nut member 52 can be reduced with a simple configuration, thereby reducing the manufacturing cost of the drag device 5.

[0037] <Other Embodiments> Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications are possible without departing from the spirit of the invention.

[0038] The drag device 5 may also be applied to double-bearing reels such as electric reels. [Explanation of symbols]

[0039] 1. Double-bearing reel 5 Drag system 30 Handle shaft 51 Operating member 52 Nut component 53 Drag Mechanism 54 Storage Unit 55 Elastic members

Claims

1. A drag mechanism for a double-bearing reel, positioned on the handle shaft, An operating member having a through hole that penetrates the handle shaft in the axial direction and being operable around the axis of the handle shaft, A nut member is positioned between the inner circumferential surface of the through hole and the outer circumferential surface of the handle shaft, and moves in the axial direction in response to the operation of the operating member, A drag mechanism in which the drag force changes according to the axial movement of the nut member, An elastically deformable elastic member is disposed between the inner circumferential surface of the through hole and the outer circumferential surface of the nut member, Equipped with, Drag mechanism for a double-bearing reel.

2. The inner circumferential surface of the through hole and at least one of the outer circumferential surface of the handle shaft are provided with a housing portion for housing the elastic member. The drag device for a double-bearing reel as described in claim 1.

3. The housing portion is provided on the outer circumferential surface of the nut member and has a groove that is recessed toward the inner circumferential surface of the through hole. The elastic member is fitted into the groove. The drag device for a double-bearing reel according to claim 2.

4. The elastic member is an O-ring. A drag device for a double-bearing reel according to any one of claims 1 to 3.

5. A drag device comprising the drag device according to any one of claims 1 to 3, Double bearing reel.

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