JP2570759Y2 - Reel clutch structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clutch structure for a reel.

[0002]

2. Description of the Related Art A clutch mechanism for turning a clutch mechanism on and off.
The following configuration is used to move and drive the
Was. For example, as shown in JP-A-60-78526.
As shown on the left and right sides of the spool shaft, parallel to the spool shaft center
Two spindles are distributed and arranged as a slide support mechanism
To extend from the reel body
An engagement hole is drilled at the left and right ends of the lock, and the lock is
The latch yoke was inserted into and supported by the support shaft. And the club
Supporting the urging server roots to urge the Tchiyoku to the clutch engaging position
It is provided so as to be fitted on the shaft, and the biasing force of the biasing spring is
In response, the drive cam mechanism interlocks with the operation of the clutch operation tool.
Rotate the cam body around the spool axis to
Return the clutch yoke to the clutch off position with the cam
It had a configuration to make.

[0003]

The present invention is to provide a have a structure as described above
In the conventional configuration, the cam constituting the drive cam mechanism is
The cam part of the body is on the outer side of the support shaft, as viewed from the spool shaft center direction.
In this case, it was set at a position distant from the support shaft. But
Therefore, the position of the cam and the spring that is fitted on the support shaft
The movement force exerted on the clutch yoke by the cam
The biasing force of the spring generates a couple with the clutch yoke
Will be. For this reason, the clutch yoke
Because part of the working force of the cam is consumed as bending force
When the force for moving the clutch yoke decreases,
If the clutch yoke is of low rigidity,
Expects smooth operation of the clutch yoke
There was a face that could not be done. The purpose of this invention is to
Slide movement support form and return bias of clutch mechanism
Made rational changes to the arrangement of the spring and drive cam mechanism
By eliminating the disadvantages of the conventional
Provide a reel clutch structure that can be expected to operate smoothly
On the point .

[0004]

The present invention is characterized in that: (1) a drive transmission mechanism for driving a spool is provided with a clutch yoke for turning on and off a clutch mechanism interposed between the drive transmission mechanism and a reel body; scan the clutch yoke
A slide support mechanism that slides in the pool axis direction is provided, and the clutch yoke is attached to the clutch operating position.
Spring and the clutch yaw against the urging force of the spring.
Drive cam mechanism to drive the clutch to the clutch release operation position.
And operates the drive cam mechanism by receiving a clutch operating force.
Opposite portions of the moving cam body and the clutch yoke
The drive shaft when viewed from the spool shaft center direction.
Provided as the cam portion of whether arm mechanism the spring and with each other weight
There Te, in the present invention according to (Claim 2) according to claim 1, wherein
The slide support mechanism is moved from the drive cam mechanism to the spool.
It is located on the side of the shaft center, and is viewed from the spool shaft direction.
Wherein the spring and the guide portion of the slide support mechanism
Are also configured to overlap with each other , and the operation and effect thereof are as follows.

[0005]

According to the first aspect of the present invention, the spool shaft center is provided.
When viewed from the front, the cam portion of the drive cam mechanism and the spring
Are provided so that they overlap each other, so that the cam
Position of the line of action of the movement force on the workpiece and the spring return force
Can be suppressed, and
Action of couple on the latch yoke and bending deformation caused by the couple
The shape of the clutch yoke can be efficiently controlled by the cam section.
Is transmitted to Therefore, the operation of the clutch yoke is circular.
As well as being smooth, the clutch operating force may be small. According to the configuration of claim 2, the spool shaft is viewed in the axial direction.
The spring is provided so that there is little misalignment with the guide.
Therefore, return the clutch yoke by the biasing force of the spring.
It can be returned smoothly when making.

[0006]

[Effect of the Invention] Therefore, the reciprocating movement of the clutch yoke
The movement required to move the clutch yoke
Power can be reduced. Moreover, it acts on the clutch yoke.
Position between the moving force from the cam and the return force from the spring.
Bending applied to the clutch yoke as it can be reduced
Power can be suppressed, and the clutch yoke itself is more than necessary
The clutch of the clutch mechanism does not need to be very strong
The sleeve can be moved and driven smoothly.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 4, a spool 3 is disposed between left and right case portions 1 and 2 as a reel body, and a clutch operating tool 4 is disposed at a rear portion. A right-hand case 2 is provided with a handle 5 for winding a thread, a drag operating tool 6 and a cast controller 7 to constitute a bait casting reel as a dual bearing reel.

As shown in FIG. 1, a handle shaft 8 is erected inside the right case portion 2, and the handle 5 is provided with the handle 5 and the drag operation tool 6 with respect to the handle shaft 8. A drag mechanism D and a ratchet wheel 9 are provided at the end. The clutch mechanism C is formed by an engagement / disengagement structure of a clutch sleeve 11 loosely slidably fitted on a spool shaft 10 constituting a transmission shaft as a spool drive mechanism by rotating integrally with the spool 3 and a pin 12 fixed to the spool shaft 10. Is configured. By the engagement of the input gear 11A of the clutch sleeve 11 and the output gear 13 of the drag mechanism D, the turning operation force from the handle 5 is transmitted to the spool 3 via the drag mechanism D and the clutch mechanism C, respectively.

Next, the structure of the clutch mechanism C will be described.
You. As shown in FIGS. 1 and 3, provided with a clutch yoke 14 for reciprocating engagement with the spool axis direction to the clutch sleeve 11, the inner surface of the right case 2
Proposal of a slide moving mechanism toward the clutch yoke 14
A flange 15 that forms an inner surface is protruded. A circular mounting seat 2 </ b> A is formed at the base end of the flange portion 15, and a rotary cam body 16 constituting a driving cam mechanism B for driving the clutch yoke 14 is loosely fitted. On the other hand, an engaging recess 14A is formed on the side of the clutch yoke 14 facing the mounting seat 2A.
A is configured so that the flange portion 15 is inserted and engaged with A. The flange portion 15 has a substantially semi-cylindrical shape, and has a semi-hexagonal angular surface formed on the outer peripheral surface thereof. The rotation of the clutch yoke 14 that closely fits with the flange portion 15 around the spool axis is prevented. It has a function to do.

As shown in FIG. 3, a rotating cam body 16 is provided on opposite sides of the clutch yoke 14 and the rotating cam body 16.
Protruding cam 16A and protruding inclined surface 1 of clutch yoke 14
4B, and a rotary cam body 1
6, the clutch yoke 14 is configured to be slidable in the spool axis direction by swinging around the spool axis. Here, the projecting cam 16A and the projecting portion inclined surface 14B are
It is referred to as a cam portion of the drive cam mechanism B. Clutch yoke 14
The biasing spring 17 is applied to the reversing surface opposite to the side where the rotary cam body 16 is present to bias the clutch yoke 14 into the clutch engagement operation position, and is forced to the clutch disengagement position by the operation of the drive cam mechanism B. The configuration to move is adopted. The biasing spring 17, the projection inclined surface 14B, and the projection inclination
The flange 15 adjacent to the surface 14B is viewed from the spool axis direction.
Partly overlap in the
The movement of the switch yoke 14 is smooth.

Since the flange 15 is located closer to the spool shaft than the protruding cam 16A of the rotary cam body 16, the clutch yoke 14 has the engagement recess 14A close to the spool shaft. And the semi-cylindrical outer diameter of the clutch yoke 14 can be reduced accordingly.

Next, the linkage between the clutch operating tool 4 and the rotary cam body 16 will be described. As shown in FIG. 2, a link member 1 operated to contact an operation pin 4 </ b> A of the clutch operation tool 4.
8, the link member 18 is engaged with the engagement pin 16B of the rotary cam body 16. Toggle spring 1 on rotating cam body 16
9 is locked, and the rotation posture of the rotary cam body 16 is maintained at a posture corresponding to each of the engagement and disengagement states of the clutch mechanism C. The rotary cam body 16 is provided with a return arm 21 that switches its end to a position that interferes with the ratchet wheel 9 by the action of the toggle spring 20 when the clutch mechanism C is set to the disengaged state. .

When the clutch mechanism C is disengaged, the clutch operation tool 4 is pushed down. Then,
The link member 18 rotates the rotary cam body 16 while drawing an arc-shaped trajectory by contact with the guide member 22.
As a result, the clutch sleeve 11 is disengaged from the pin 12 fixed to the spool shaft 10 by the pressing of the protruding cam portion 16A, and the clutch mechanism C is disengaged. When the clutch mechanism C is engaged, the handle 7 is operated in the winding direction, so that the pressing force from the teeth 9A of the ratchet wheel 9 returns the rotary cam body 16 via the return arm 21. As a result, the clutch yoke 14 is operated by the urging forces of the urging springs 17, 17, and the clutch mechanism C reaches the engaged state.

[Other Embodiment] As shown in FIG. 5, a slide cam 23 may be provided instead of the rotary cam 16 as the drive cam mechanism B. In other words, the cam surfaces 23A, 23A
A is formed, and the clutch yoke 14 is slid. A configuration may be adopted in which the flange 15 is formed on the clutch yoke, and the engagement recess 14 </ b> A for engaging the flange 15 is formed on the inner peripheral surface of the case 2.

In the claims of the utility model registration, reference numerals are written for convenience of comparison with the drawings, but the present invention is not limited to the configuration of the attached drawings by the entry.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view showing an internal structure of a right case.

FIG. 2 is a longitudinal sectional side view showing an internal structure of a right case.

FIG. 3 is an exploded perspective view showing a flange portion, a rotating cam body, and a clutch yoke.

FIG. 4 is a rear view of the reel.

FIG. 5 is a longitudinal sectional side view showing an internal structure of a right case according to another embodiment of the clutch yoke.

[Explanation of symbols]

 3 Spool 14 Clutch Yoke 14A Engaging Recess 15 Guide 16 Cam Body 17 Spring B Drive Mechanism C Clutch Mechanism

Claims (2)

(57) [Scope of request for utility model registration] A drive transmission mechanism for driving a spool (3).
A clutch yoke (14) for turning on and off the clutch mechanism (C) interposed therebetween, and a slide support mechanism for slidingly supporting the clutch yoke (14) in the spool axis direction on the reel body, The clutch yaw
Spring (1) for urging the lock (14) to the clutch-engaged operation position.
7) and the clutch yoke (1) against this spring biasing force.
4) Drive cam mechanism for driving to the clutch disengagement operation position
(B), and the drive cam mechanism (B) is provided with a clutch.
A cam body (16) that operates by receiving an operating force;
The yoke (14) is formed at a position opposing to the yoke (14).
When viewed from the pool shaft center direction, the drive cam mechanism (B)
The cam part and the spring (17) are provided so as to overlap.
The clutch structure of the reel that. 2. The driving cam machine according to claim 1 , wherein
And located on the spool axis side with respect to the structure (B).
In addition, the spring (1
7) also overlaps with the guide portion (15) of the slide support mechanism.
2. The reel clutch according to claim 1, wherein said reel clutch is configured to engage with each other.
Switch structure.