JPH0445508Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a reversal prevention mechanism for a spinning reel, and more particularly, to a reversal prevention mechanism for a spinning reel used to prevent a rotating frame for winding fishing line onto a spool from reversing. .

(Prior art) Generally, this type of reverse prevention mechanism is
As described in Publication No. 54311, there is a disc-shaped reversal prevention body with a plurality of locking parts on the outer periphery, and the rotation frame is prevented from reversing by engaging with the locking parts of this reversal prevention body. an engaging body, a shaft portion, an operating body having a cam portion at one end of the shaft portion that engages with the engaging body, and an operating knob at the other end of the shaft portion; The anti-reverse body is formed by a torsion spring that biases the mating position and the disengaged position, and is attached to the drive shaft that freely rotatably supports the reel body, while the engaging body is pivotally mounted on the front surface of the reel body. and is biased toward the anti-reverse body side by a spring, and supports the shaft portion of the operating body rotatably on the front surface of the reel body to cause the cam portion to protrude outward from the front surface, and the operating body The engaging body is switched between an engaging position and a disengaging position with respect to the anti-reverse body by an operation of the body, and this switching position of the operating body is maintained by the torsion spring.

Further, in the operating body, the cam portion is formed to have a larger diameter than the shaft portion, and a step portion facing the front surface of the reel body is provided on the rear end surface of the cam portion, and the step portion is provided with a step portion of the shaft portion. A second receiving hole is formed by a drill that opens only in the axial direction and on the rear end surface of the cam part and receives the first locking part of the torsion spring, and a second receiving hole is formed in the front surface of the reel body in the axial direction of the drive shaft. the second torsion spring is opened;
A second receiving hole for receiving the locking portion is formed by a drill.

(Problem to be Solved by the Invention) However, according to this conventional reverse rotation prevention mechanism, the first receiving hole of the cam portion of the operating body is formed only in the axial direction of the shaft portion and on the rear end surface of the cam portion. Since the opening is open, the first locking portion of the torsion spring is inserted and locked into the first receiving hole of the cam portion before pivoting the shaft portion of the operating body to the front surface of the reel body, and , when the shaft portion is pivoted to the front surface of the reel body, the torsion spring is bent;
In particular, since the locking part is locked in the second receiving hole of the reel body, the shaft part is pivoted to the front surface of the reel body, and then the engaging body and the anti-reverse body are sequentially assembled. However, it is difficult to assemble the operating body and the torsion spring, resulting in poor assembly workability and a correspondingly high cost.

Further, since the first receiving hole provided in the operating body passes through the operating body in the axial direction, the shaft portion of the operating body and the cam can be formed by, for example, a mold that divides the operating body in the radial direction. In the case of molding, the first receiving hole cannot be formed together with the shaft portion and the cam.
Since it was necessary to drill the hole with a thin drill, there was a problem that the work efficiency for forming the first receiving hole was poor and the drill could break.

It is an object of the present invention to make it possible to assemble the torsion spring after assembling the operating body, thereby making it easier to assemble the operating body and the torsion spring, thereby improving overall assembly work efficiency. In addition, it is possible to prevent the torsion spring from falling off, and there is no need to drill holes in the cam portion of the operating body.

(Means for Solving the Problems) Therefore, the present invention has a reversal prevention body 2 that rotates in conjunction with the drive shaft 61, and a front surface 1 of the reel body 1.
1, an engaging body 3 that engages with the reverse rotation preventive body 2 to prevent the drive shaft 61 from reversing; a shaft portion 41 that is pivotally supported on the front surface 11; It has a cam portion 42 that engages with the engaging body 3, and the reversal prevention body 2 of the engaging body 3
An operating body 4 that operates the engagement and disengagement of the
is a reversal prevention mechanism for a spinning reel, which is equipped with a torsion spring 5 that biases the engaging body 3 between an engaging position and a disengaging position, and the radius of the cam part 42 of the operating body 4 relative to the shaft part 41 is A first opening on one side of the cam portion 42 in the radial direction and closing on the front end surface side of the cam portion 42 receives and locks the first locking portion 51 of the torsion spring 5. 1 receiving part 44 is formed, and the second engaging part 52 of the torsion spring 5, which has the first engaging part 51 engaged with the first receiving part 44, is received on the front surface 11 of the reel body 1. Second locking part 52
a guide surface 13 that guides the torsion spring 5 in the bending direction of the torsion spring 5; and a second receiving section 12 that is continuous with the guide surface 13 and receives and locks the second locking section 52 guided by the guide surface 13. It has been established that

(Function) When assembling the operating body 4 and the torsion spring 5, first the shaft portion 41 of the operating body 4 is pivotally supported on the front surface 11 of the reel body 1, and then the first torsion spring 5 is attached.
The locking portion 51 is connected to the first receiving portion 4 of the operating body 4.
It is inserted into 4. Therefore, the operating body 4
can be assembled independently of the torsion spring 5, so the operation body 4 can be easily assembled.

Furthermore, since the operating body 4 is provided with a first receiving portion 44 that opens toward the radially outward side of the cam portion 42 on one radial side of the cam portion 42 with respect to the shaft portion 41, the torsion The first locking portion 51 of the spring 5 can be easily engaged with the first receiving portion 44 of the previously assembled operating body. The second locking portion 5 of the torsion spring 5 locking the locking portion 51
2 in the direction of deflection of the torsion spring 5, and a second receiving portion 12 that is continuous with the guide surface 13.
Therefore, when the second locking part 52 is locked to the second receiving part 12, the torsion spring is in a substantially free state and the second locking part 52 is brought into contact with the guide surface 13. Therefore, by simply deforming the second locking part 52 in the bending direction along the guide surface 13, the second locking part 52 can be moved to the second receiving part 12.
As a result, the first locking portion can be easily engaged with the first receiving portion, and the torsion spring 5 can be easily assembled. This facilitates assembly, improves overall assembly work efficiency, and reduces costs accordingly.

Moreover, since the first receiving part 44 is closed on the front end surface side of the cam part 42, although assembly is easy as described above, the torsion spring 5
This can prevent the first locking portion 51 from slipping out from the first receiving portion 44 in front of the cam portion and the torsion spring 5 from falling off.

Further, the first receiving portion 44 is opened at one side of the cam portion 42 in the radial direction with respect to the shaft portion 41, and is opened toward the outside in the radial direction of the cam portion 42.
Since the shaft portion 41 and the cam portion 42 are formed so as to be closed on the front end surface side of the shaft portion 2, when the shaft portion 41 and the cam portion 42 are molded using a mold that divides the shaft portion 41 in the radial direction, for example, the shaft portion 41 and the cam portion It is possible to form the first receiving part 44 together with the cam part 42, and therefore, it is not necessary to drill holes in the first receiving part 44 with a thin drill. The work efficiency is high, and there are no problems such as drill breakage.

Further, when the operating body 4 is switched to the engaging position of the engaging body 3, the engaging body 3 engages with the reverse rotation preventing body 2,
This prevents the rotating frame 62 attached to the drive shaft 61 from reversing, and when the operating body 4 is switched to the disengagement position of the engaging body 3, the engaging body 3 is disengaged from the reverse rotation prevention body 2, This allows the rotating frame 62 to rotate in reverse.

(Example) The illustrated reversal prevention mechanism includes a hollow reel body 1 having a through hole in the front surface 11, and a hole in the through hole portion.
A cylindrical drive shaft 61 having a pinion gear 60 is rotatably supported via a bearing, and a rotary frame 62 having a bail arm is attached to the outer periphery of the tip of the drive shaft 61.
At the same time, a spool shaft 64 having a spool 63 is supported in the shaft hole of the drive shaft 61 so as to be freely movable in the front and rear direction, while a handle is mounted on the side wall of the reel body 1 and is perpendicular to the axis of the drive shaft 61. The shaft 65 is rotatably supported, and the handle shaft 6
5, a master gear 66 that meshes with the pinion gear 60 is provided at the part where the reel body 1 enters the inside of the reel body 1,
Further, a handle is provided on the protrusion to the outside of the reel body 1, and when the handle is rotated, the drive shaft 61 and the rotation frame 62 are rotated, and the spool 63 is moved back and forth via a reciprocating mechanism (not shown). This is a reversal prevention mechanism for a spinning reel configured to move the fishing line in the direction of the spool 63 and wind the fishing line around the spool 63. a plate-shaped reversal prevention body 2; an engaging body 3 which is pivotally attached to the front surface 11 of the reel body 1 and engages with the reversal prevention body 2 to prevent the drive shaft 61 from reversing; and the reversal of the engaging body 3. It is composed of an operating body 4 that engages and disengages the preventive body 2, and a torsion spring 5 that urges the operating body 4 to the engagement position and disengagement position of the engaging body 3.

The engaging body 3 is comprised of a substantially L-shaped plate having an engaging portion 31 at one end and a contact portion 32 at the other end, and its intermediate bent portion is pivotally connected to the front surface 11. .

The operating body 4 also includes a shaft portion 41 pivotally supported on the front surface 11 and a cam portion 42 that engages with the abutment portion 32 and is provided at one end of the shaft portion 41 and projects forward with respect to the front surface 11. and an operating knob 43 provided at the other end, with the operating knob 43 protruding to the outside of the reel body 1.

The torsion spring 5 has a substantially L-shape with a winding in the middle, and a first locking part 51 extending in the same direction as the axis of the winding part is provided on one end thereof, and a first locking part 51 is provided on the other end thereof. A second locking portion 52 extending in the opposite direction to the first locking portion 51 is provided.

However, in the embodiments shown in FIGS. 1 to 6,
The shaft portion 41 of the cam portion 42 in the operating body 4
The torsion spring 5 opens on one radial side of the cam portion 42 toward the outside in the radial direction and closes on the front end surface side of the cam portion 42.
A first receiving part 44 for receiving the first locking part 51 of the torsion spring 5 is formed, and a first receiving part 44 is formed in the front surface 11 of the reel body 1 in the axial direction of the drive shaft 61 to receive the second locking part 52 of the torsion spring 5. Second receiving part 12 to receive
The second locking portion 52 is connected to the second receiving portion 12 from the outside of the front surface 11 and is connected to the second receiving portion 12.
A guide surface 13 is provided for guiding the front surface 1.
1 is provided with a recessed portion 14 for receiving the tip of the second locking portion 52 of the torsion spring 5.

In the above configuration, the operating body 4 has a shaft portion 4
1 and the cam part 42 are integrally molded, and the operation knob 4
3 is separately formed and attached using attachment means such as a set screw 6, and when the shaft portion 41 and the cam portion 42 are molded, the first receiving portion 44 is formed by a mold. That is, this first receiving portion 44
is a radially one side portion of the cam portion 42 with respect to the shaft portion 41, which opens toward the radially outward side of the cam portion 42 and closes on the front end surface side of the cam portion 42; 41 and the cam portion 42, for example, when molding the shaft portion 41 with a mold that splits the shaft portion 41 in the radial direction, the first receiving portion 44 can be easily formed together with the shaft portion 41 and the cam portion 42. Therefore, it is not necessary to drill holes in the first receiving part 44 using a thin drill, so the work efficiency for forming the first receiving part 44 is high, and there are no problems such as breakage of the drill. be. In the drawing, a protruding piece 45 is provided on one side of the cam part 41, and the first receiving part 4 is attached to this protruding piece 45.
There are 4.

The second receiving part 12, the guide surface 13, and the recessed part 14 are formed by recessing the front surface 11 using a mold when the reel body 1 is molded. The recessed portion 14 is continuous with the side surface not in contact with the second locking portion 52, and the second
This prevents the second locking portion 52 that is locked in the receiving portion 12 from escaping from the second receiving portion 12 into the recessed portion 14.

In the drawing, the guide surface 13 is connected to the first receiving portion 4.
4 and the second receiving part 12 from a starting end position a longer than the length l between said length l and continuing to said second receiving part 12 via said end position b shorter than said length l. Torsion spring 5 with 51 locked to the first receiving part 44
The second locking portion 52 can be fitted into the recess 14 in the free length state, that is, in a state where the torsion spring 5 is not bent. When guiding to the second receiving portion 12, the torsion spring 5 is bent.

Furthermore, although the second receiving portion 12 and the guide surface 13 are made to protrude outward from the front surface 11, they do not necessarily need to be made to protrude.

In addition, 8 in the figure connects the engaging body 3 to the reversal prevention body 2.
This is a spring that biases the direction.

Therefore, when assembling the reverse rotation prevention mechanism configured as described above, the shaft portion 41 of the operating body 4 is inserted into the shaft hole 15 provided in the front surface 11 of the reel body 1 to be supported in a freely rotatable manner. Body 4 is
Since it can be assembled independently of the torsion spring 5, the operating body 4 can be easily assembled. An operation knob 43 is attached to the shaft portion 41.
At the same time, the engaging body 3 is attached to the front surface 11 via the mounting screw 8 screwed into the screw hole 16 of the front surface 11, and then the torsion spring 5 and the anti-reverse body 2 are assembled.

The cam portion 42 of the operating body 4 has the shaft portion 41
Since the first receiving part 44 which opens toward the radial outward side of the cam part 42 is provided on one radial side of the cam part 42, when the torsion spring 5 is assembled, the first engagement part of the torsion spring 5 is The stop portion 51 can be easily engaged with the first receiving portion 44, and the guide surface 13 and the second receiving portion 1 continuous with the guide surface 13 are provided on the front surface of the reel body.
2, when the second locking portion 52 is locked to the second receiving portion 12, the torsion spring is in a substantially free state and the second locking portion 52 is brought into contact with the guide surface 13. Therefore, by simply deforming the second locking part 52 in the bending direction along the guide surface 13, the second locking part 52 can be brought into contact with the second receiving part 1.
As a result, the first locking part 51 can be easily engaged with the first receiving part 44, and the torsion spring 5 can be easily assembled. Since the body 4 can be easily assembled, the efficiency of the overall assembly work can be improved, and the cost can be reduced accordingly. Further, since the first receiving part 44 is closed on the front end surface side of the cam part 42, the first locking part 51 comes out from the first receiving part 44 to the front of the cam part 42, and the torsion spring 5 This can prevent it from falling off. When the recessed portion 14 is provided in the front surface 11 of the reel body, the torsion spring 5
The second locking part 52 is fitted into the recessed part 14 of the front surface 11, and the second locking part 52 is displaced from the starting end position a of the guide surface 13 to the terminal position b, and is locked to the second receiving part 12. By doing so, the torsion spring 5 can be assembled.

Further, the reversal prevention body 2 is attached to the drive shaft 61 while being supported in advance on the boss portion of the rotating frame 62.

Further, the first receiving part 44 is formed by a mold when molding the operating body 4, and the second receiving part 12 and the guide surface 13 are formed by a mold when molding the reel body 1. Therefore, processing is easier and processing costs can be reduced compared to the conventional method in which the first receiving part and the second receiving part are formed by drilling holes in the operating body 4 and reel body 1. .

Further, when the reverse rotation prevention mechanism configured as described above prevents the rotation frame 62 from reversing, the operating body 4 is moved by the torsion spring 5 while the engaging body 3 is separated from the reverse rotation prevention body 2 as shown in FIG. engaging body 3 against
When the engaging position is switched to the engaging position, the engaging body 3 swings clockwise by the force of the spring 7, and the engaging part 31 of the engaging body 3 engages with the locking part 21 of the anti-reverse body 2. This prevents the rotating frame 62 from rotating in reverse.

In addition, when the rotation frame 62 is allowed to reverse from the state in which the rotation frame 62 is prevented from reversing as described above, when the operating body 4 is switched to the disengagement position of the engagement body 3 against the torsion spring 5, the engagement is stopped. The combined body 3 swings in the counterclockwise direction in FIG.
This allows for the reversal of

In the embodiment described above, the second receiving portion 12 and the guide surface 13 are provided at a lower position relative to the front surface 11, but they may also be provided at a higher position relative to the front surface 11. In this case, the recess 14 is not necessary.

Further, in the above embodiment, the reversal prevention body 2 is assembled after the torsion spring 5 is assembled, but the torsion spring 5 is also assembled after the reversal prevention body 2 is assembled. Good too.

(Effect of the invention) According to the invention, after the shaft portion 41 of the operating body 4 is pivotally supported on the front surface 11 of the reel body, the first locking portion 51 of the torsion spring 5 is connected to the first receiving portion of the operating body 4. 44, that is, the operating body 4 can be assembled independently of the torsion spring 5, so that the operating body 4 can be easily assembled.

Moreover, the operating body 4 has a cam portion 4 on one side of the cam portion 42 in the radial direction with respect to the shaft portion 41.
2, the first receiving portion 4 opens toward the radially outward direction of the first receiving portion 4;
4, the first locking portion 51 of the torsion spring 5 can be attached to the first receiving portion 44 of the operating body previously assembled.
The operating body 4 can be easily engaged with the operating body 4 on the front surface of the reel body.
A guide surface 13 that guides the second locking portion 52 of the torsion spring 5 that locks the locking portion 51 in the direction of deflection of the torsion spring 5, and a second receiving portion 12 that is continuous with the guide surface 13 are provided. , the second locking portion 52
When the torsion spring is locked to the second receiving part 12, the second locking part 52 can be brought into contact with the guide surface 13 with the torsion spring in a substantially free state. The second locking portion 52 can be moved to the second position by simply deforming it in the bending direction.
It can be locked to the receiving part 12, and as a result, the first
The engagement of the locking portion 51 with the first receiving portion 44 can be facilitated, and the torsion spring 5 can be easily assembled, and the operating body 4 can be easily assembled. Overall assembly work efficiency can be improved, and costs can be reduced accordingly.

Moreover, since the first receiving part 44 is closed on the front end surface side of the cam part 42, although assembly is easy as described above, the first locking part 51 of the torsion spring 5 This can prevent the torsion spring from slipping out from the first receiving portion 44 to the front of the cam portion 42 and falling off.

Further, the first receiving portion 44 is connected to the shaft portion 4 of the cam portion 42.
The cam portion 42 is opened toward the outside in the radial direction on one radial side of the cam portion 42.
Since the shaft part 41 and the cam part 42 are formed so as to be closed on the front end surface side, when the shaft part 41 and the cam part 42 are molded using a mold that divides the shaft part 41 in the radial direction, for example, the shaft part 41 and the cam part It is possible to form the first receiving part 44 together with the part 42, and therefore, it is not necessary to drill holes in the first receiving part 44 with a thin drill. Work efficiency is high, and there are no problems such as broken drills.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway front view showing an embodiment of the reverse rotation prevention mechanism of the present invention, Fig. 2 is an exploded perspective view with a part omitted, Fig. 3 is a perspective view with a part omitted as well, and Fig. 4. 5 is a sectional view of only the guide surface portion, FIG. 5 is a front view showing an operating state, and FIG. 6 is a partially cutaway side view showing an embodiment incorporated into a spinning reel. 1... Reel body, 11... Front, 12...
2nd receiving part, 13... guide surface, 2... reversal prevention body,
3... Engaging body, 4... Operating body, 41... Shaft part, 4
2...Cam portion, 44...First receiving portion, 5...Torsion spring, 51...First locking portion, 52...Second locking portion, 61...Drive shaft.

Claims (1)

[Scope of utility model registration request] Reversal prevention body 2 that rotates in conjunction with the drive shaft 61
an engaging body 3 which is pivotally mounted on the front surface 11 of the reel body 1 and engages with the reversal prevention body 2 to prevent the drive shaft 61 from reversing; a shaft portion 41 which is pivotally supported on the front surface 11; and the front surface 11. an operating body 4 that has a cam portion 42 that protrudes forward and engages the engaging body 3, and that operates to engage and disengage the engaging body 3 from the reverse prevention body 2; A torsion spring 5 that urges the engaging body 3 into the engaged position and the disengaged position.
A reversal prevention mechanism for a spinning reel comprising: a cam portion 42 on one side of the cam portion 42 in the operating body 4 in the radial direction with respect to the shaft portion 41;
A first receiving part 44 is formed that opens outward in the radial direction and closes on the front end surface side of the cam part 42 to receive and lock the first locking part 51 of the torsion spring 5. 1 front 1
1, the second locking portion 52 of the torsion spring 5, which has the first locking portion 51 engaged with the first receiving portion 44, is received, and the second locking portion 52 is engaged with the second locking portion 52 of the torsion spring 5. a guide surface 13 that guides in the direction; and a second receiving section 12 that is continuous with the guide surface 13 and receives and locks the second locking section 52 guided by the guide surface 13.
A reversal prevention mechanism for a spinning reel, characterized in that it is provided with.