JPH025738Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a backlash prevention device for a fishing reel that brakes the spool when the rotational speed of the spool reaches a set value.

Conventionally, when casting a fishing line, the clutch mechanism is turned off and the spool rotates freely, causing the spool to over-rotate.In order to prevent crashes caused by this over-rotation, at least one side of the non-magnetic conductor rotates together with the spool. A magnetic material is placed on the
A fishing reel backlash prevention device has been proposed that magnetically brakes the rotation of the spool by generating eddy current in a non-magnetic conductor using the magnetic force of a magnetic material. Since the brake is applied, the long throw distance does not increase,
For example, when throwing, a magnetic material is thrown away from a non-magnetic conductive material, and when the device flies and reaches the maximum height, the magnetic material is brought close to the non-magnetic conductive material by operating a lever, and the magnetic force is used to conduct the non-magnetic conductive material. Even if magnetic braking is applied to the body to prevent clutching, there is a drawback that it requires skill as in the conventional case where the brake is applied to the spool with a fingertip, and the clutch mechanism does not release the magnetic braking with the above device. When the spool is engaged and the fishing line is wound, the rotation of the spool becomes heavy.In the past, the magnetic braking had to be released each time, or the braking force had to be released, which was cumbersome and troublesome. Normally, the fishing line is manipulated by the braking force once applied, and the disadvantage is that the fishing line is wound up against the rotational braking force.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks and to propose a backlash prevention device for a fishing reel that automatically brakes when the rotation of the spool reaches a set rotation speed.

The present invention will be explained below with reference to the illustrated embodiments.If a fishing reel is described as a double bearing type reel,
In Figure 1, the left and right reel side frames 10 and 11 are the pillars 12.
The reel side plates 1, 1 are held parallel to each other on the outside.
3 is fixed, the spool 2 is fixed to the spool shaft 3 between the reel side frames, and both ends of the spool shaft are rotatably supported by one bearing 14 attached to the reel side plate 1 and the other bearing (not shown), and the spool 2 is fixed to the spool shaft 3 between the reel side frames. A pinion 4 is fitted on the right side of the shaft so as to be slidable in the axial direction, and the pinion 4 is configured to be rotated by a handle 16 via a drive gear 15. The provided clutch engaging parts 3a and 4a constitute a clutch, and the pinion 4 is engaged with the clutch plate 17 as shown in FIGS. 1 and 2, and the clutch plate is connected to the support shaft 18,
The clutch operating lever 5 is supported by a strut 19 and is biased in the direction of engagement of the clutch by a spring (not shown), and is retracted in the direction of disengaging the clutch by a protruding actuating portion 5a of the clutch operating lever 5. , 19, and is biased by springs 20, 20 so as to be able to hold the clutch in the disengaged position and the engaged position.

As shown in FIGS. 1 and 3, on one side of the spool 2, a cylindrical non-magnetic conductor 2a made of a non-magnetic material such as copper or aluminum is separately or integrally formed, and the reel side frame A yoke 22 is fitted and fixed on the inner circumferential surface of the retaining ring 21 which is fitted and fixed in the through hole 10 with a small gap between the non-magnetic conductor 2a and the circumference of the non-magnetic conductor 2a. On the inside, there are N and S poles alternately on the outer periphery.
An arc-shaped magnetic body 6 with magnetized poles is fixedly disposed on the outer periphery of the arc portion 7a of the support member 7, and the support member having the arc portion swings on a support shaft 23 whose one end 7b is fixed to the reel side plate 1. A flat part 7c is formed at the other end of the spool 2, and a plunger 8a of a solenoid 8 fixed to the reel side plate 1 is connected to the flat part. The other Hall element 9b of the rotation speed detection sensor 9 is mounted on the reel side plate 1 so that one permanent magnet 9a of the rotation speed detection sensor 9 is fixed and facing the rotation range of the permanent magnet.
It is fixed to the base of.

The rotation speed detection sensor 9 of the spool 2 is the fourth
The reference time generation circuit 24 of the rotation speed detection braking control circuit shown in the figure is connected to the gate circuit 25, the gate circuit and the digital program switch circuit 26 are connected to the counter circuit 27, and the counter circuit and the start switch 28 are connected to the start/stop circuit 2.
9, a relay 30 is connected to the start/stop circuit, the solenoid 8 and power battery 32 are connected to the relay switch 31, and the start switch 28 is fixed to the clutch operation lever 5 shown in FIG. It consists of a reed switch 28 provided on the reel side plate 13 in the movement area of the permanent magnet 33.

When the fishing reel crash prevention device is configured as described above and the tackle is thrown,
The clutch operating lever 5 is pushed in.

By this pushing operation, the clutch plate 17 and pinion 4 are moved, the clutch is disengaged, and the spool 2
is in a free rotation state, and the reed switch 28 is closed by the permanent magnet 33, and the start switch 28 shown in FIG.

Next, the rotation speed at which the rotation of the spool 2 is braked is set at 3000 rpm using the digital program switch circuit 26, and the device is thrown.

When the bait is thrown, the spool 2 is rotated by the fishing line, and the permanent magnet 9a and the Hall element 9
The rotation speed of the spool is detected by the rotation speed detection sensor 9 of b, and the detection signal is inputted to the counter circuit 27 via the gate circuit 25. When the rotation speed of the spool reaches the set rotation speed of 3000 rpm, it matches the start/stop circuit 29. A signal is input, a current is applied to the relay 30, the switch 31 is switched, and the solenoid 8 is energized, and the plunger 8a is attracted and the flat part 7c side of the support member 7 is pulled up to form an arc shape as shown in FIG. The magnetic material 6 is the non-magnetic conductor 2
When the non-magnetic conductor is brought close to a, a large amount of eddy current is generated, and the influence of magnetic force on the rotation of the non-magnetic conductor becomes stronger, and braking is applied, thereby preventing the fishing line from becoming dandruff.

When the handle 16 is rotated after throwing the device, the actuating piece 5b of the clutch operating lever 5 is kicked up and retreated by the protrusion 34 fixed to the driving gear 15 or ratchet wheel in FIG. The clutch plate 17 is disengaged and the clutch is engaged, and the permanent magnet 33 is moved back from the reed switch 28 position, so the start switch 28 is opened, the relay 30 is de-energized, and the plunger of the solenoid 8 is turned off. 8a is released, the magnetic body 6 is separated from the non-magnetic conductor 2a by the spring 35, the generation of eddy current is reduced, and the spool 2 is rotated without magnetic braking.

A reset signal may be input from the start/stop circuit 29 to the counter circuit 27 when the start switch is opened.

As mentioned above, the spool 2 is thrown in a free rotation state where no braking is applied when casting the fishing line, and when the spool is rotated by letting out the fishing line, the rotation speed is detected by the sensor 9, and the rotation speed is set by the rotation speed braking control circuit. When it matches, the solenoid 8 brings the magnetic body 6 close to the non-magnetic conductor 2a and applies braking.
The rotation speed setting value is arbitrarily set by the digital program switch circuit 26, so the rotation speed at which the braking is activated is set taking into account each angler's throwing elevation angle, throwing speed, and long throw distance. The casting distance is increased, the fishing line is prevented from crashing, and when winding up the fishing line after casting, the magnetic body is automatically separated from the non-magnetic conductor and the braking is released, so the fishing line can be wound up that much lighter.

In the above explanation, the sensor 9 that detects the rotational speed of the spool 2 is composed of a permanent magnet 9a and a Hall element 9b. The number of rotations may be detected using the following method.

Furthermore, the start switch 28 described above may be configured with a switch other than a reed switch.

Also, in the above explanation, the magnetic body provided inside the non-magnetic conductor 2a is moved apart and close to each other by a solenoid, but the magnetic body provided outside the non-magnetic conductor and the supporting member are moved apart and close to each other by a solenoid. Good too.

In the above explanation, the yoke 2 is placed outside the non-magnetic conductor 2a.
2 was placed, but a yoke was placed inside the non-magnetic conductor.
A magnetic body may be provided on the outside, or another magnetic body may be placed outside the position facing the inner magnetic body 6, and either one of the magnetic bodies may be moved.

Furthermore, two sets of the magnetic body 6 and the support member 7 may be provided and arranged so as to be interlocked with each other by a solenoid so as to be close to and separated from the non-magnetic conductor 2a.

Further, in the above description, the magnetic body 6 is constituted by an integrated magnet, but it may be constituted by fixing a plurality of divided magnets to the arcuate portion of the support member with a yoke in between.

In the above description, the fishing reel is a double bearing type reel, but the present invention may be applied to other types of reels.

Since the present invention is constructed as described above, the rotation speed at which the brake is applied to the spool can be arbitrarily set, and the spool reaches the set rotation speed.When the solenoid is energized, the magnetic material is brought close to the non-magnetic conductor, and the eddy current is generated. When this occurs, the brake is automatically applied to prevent crashing, and the spool is rotated freely when casting the bait, extending the casting distance, and when winding up the fishing line, the handle is lightly rotated without applying the brake. It is possible to provide a device for preventing buckling of a fishing reel, which has excellent practical effects such as being able to do the following.

[Brief explanation of drawings]

The drawings show an embodiment in which the present invention is implemented in a double-bearing type reel, and FIG. 1 is a cross-sectional plan view of the main part of the reel, FIG. 2 is a cross-sectional side view of the main part showing the clutch operation mechanism of the reel, and FIG. FIG. 4 is a side view of the magnetic body separated from the non-magnetic conductor, FIG. 4 is a block diagram of the rotational speed detection braking control circuit, and FIG. 5 is a side view of the magnetic body in close proximity to the non-magnetic conductor. 1... Reel side plate, 2... Spool, 2a...
Non-magnetic conductor, 6...Magnetic material, 8...Solenoid, 9...Sensor for detecting rotation speed, 24...
Reference time generation circuit, 25... Gate circuit, 26...
...Digital program switch circuit, 27...Counter circuit, 28...Start switch, 29
...Start/stop circuit, 30...Relay.

Claims (1)

[Scope of utility model registration request] A magnetic material is placed on at least one of both sides of the non-magnetic conductor to generate an eddy current in the non-magnetic conductor that rotates in conjunction with the rotation of the spool to brake the rotation of the spool. A fishing reel placed close to a conductor has a sensor that detects the rotational speed of the spool, a gate circuit that inputs the detection signal and the output of a reference time generation circuit, and a gate circuit output and a digital program switch circuit. It is equipped with a counter circuit that inputs the output, a start/stop circuit that inputs the output of the counter circuit and a start switch signal, and a relay connected to the start/stop circuit. A device for preventing backlash of a fishing reel, characterized in that the magnetic material is located close to a non-magnetic conductive material.