JP2559908Y2 - Handle mounting mechanism for fishing reel - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fishing reel handle mounting mechanism having an improved handle for winding a fishing line around a spool.

[0002]

2. Description of the Related Art Conventionally, in a fishing reel, as a method for suppressing backlash of a handle shaft which is non-rotatably fitted into a drive shaft having a drive gear, for example, Japanese Unexamined Utility Model Publication No. 60-777 discloses a method. A split groove is formed at the end of the handle shaft on which the female screw is formed, a male screw having a taper portion is screwed into the split groove, and the diameter of the split groove portion is adjusted by the taper portion of the male screw. There is a known configuration in which the end of the handle shaft is pressed against the inner surface of the drive shaft by expanding and deforming outward in the direction, thereby suppressing backlash in the rotation direction of the handle shaft. However, a tapered male screw tape
Since both sides of the split groove at the end of the handle shaft are deformed outward by the par portion, the female screw at the end of the handle shaft is also affected by the external deformation, and is screwed with the male screw. As a result, there is a drawback that the screw shaft is easily caused and the durability at the time of attaching and detaching the handle shaft is poor. Also, since the taper portion is deformed while being tightened by the taper portion of the male screw, the taper portion is easily scratched by the screw thread of the female screw portion at the end of the handle shaft, and the taper surface is stable. No deformation effect due to contact of

[0003]

The problem to be solved is that both sides of the groove at the end of the handle shaft are deformed outward by the taper portion of the male screw with the taper. The female screw at the end of the handle shaft is also affected by the external deformation, and the screwing with the male screw becomes loose, which easily causes screw stupidity.
There is a drawback of poor durability when attaching and detaching the handle shaft,
The taper portion is easily scratched by the thread of the female screw portion at the end of the handle shaft, and a stable deformation action due to the contact of the taper surface cannot be obtained.

In view of the above drawbacks, the object of the present invention is to form a taper engaging surface at the end of the handle shaft so that one side of the collar is opposed to the other and the collar is expanded by the taper action. An object of the present invention is to provide a handle mounting mechanism for a fishing reel in which the handle shaft is securely and securely deformed to prevent play in the rotation direction of the handle shaft.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a handle shaft having a handle attached thereto is non-rotatably fitted in a drive shaft having a drive gear, and a taper engaging surface is provided at an end of the handle shaft. The handle is formed and fitted radially outwardly deformable into the drive shaft so that one side of the collar faces a taper engagement surface formed at the end of the handle shaft. The collar is pressed in the axial direction with a screw member that is screwed into the handle shaft and the tape is pressed.
The gist of the invention is that the collar is expanded and deformed radially outward by the taper action of the paper engaging surface, and the collar is pressed against the inner surface of the drive shaft.

[0006]

When the handle shaft 7 and the collar 8 are inserted and mounted in the through hole 4c of the cylindrical drive shaft 4a of the drive gear 4,
The taper of the collar 8 is attached to the taper engagement surface 7b of the handle shaft 7.
Male screw of handle shaft 7 is inserted so that surface 8m faces
A screw member 9 made of a nut is screwed into 7a. When the screw member 9 is screwed and tightened, and the other side of the collar 8 is pressed in the axial direction, the taper action by the engagement between the taper engagement surface 7b and the taper surface 8m is performed. The collar 8 is expanded and deformed radially outward, and as shown in FIG. 4, the outer surfaces 8a, 8b and 8c and the chamfered curved surfaces 8i and 8j of the collar 8 are expanded and deformed radially outward and driven in a cylindrical shape. axis
It is pressed against the inner surface of the through hole 4c of 4a.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiment. FIGS. 1 to 4 show a first embodiment in which a fishing reel is illustrated as a fishing spinning reel, and FIG. FIG. 2 is an enlarged sectional plan view of a main part of a handle, FIG. 3 (a) is a cross-sectional side view of a drive shaft and a collar, and FIG. 3 (b) is a sectional side view of a drive shaft and a collar. FIG. 4 is a cross-sectional side view in which the drive shaft and the collar are radially outwardly expanded and deformed.

The spinning reel for fishing uses a reel body 1.
A flanged collar 11 is fitted around the outer periphery of a cylindrical drive shaft 2 protruding forward from a bearing 10 provided inside a front portion 1a of the vehicle. It is fixed at. The rotor 3 is supported so as to be rotated in conjunction with the rotation of the handle 5 via a drive gear 4 of a winding drive mechanism and a cylindrical drive shaft 4a which mesh with a pinion 2a provided on the drive shaft 2. ing. A collar 13 is fitted on the outer periphery of the drive shaft 2 on the front side of the pinion 2a. A spool 15 is supported at the tip of a spool shaft 14 that is fitted and protruded into the cylindrical drive shaft 2, and the spool 15 is reciprocated back and forth in conjunction with the rotation of the handle 5. You. The bearing 10 is retained by a retaining plate 16.

The drive gear 4 is formed of a cylindrical drive shaft 4a and a gear 4b, and the cylindrical drive shaft 4a is supported by a bearing 17 inside the side of the reel body 1 and a bearing 18 inside the lid 6. Have been. The handle mounting mechanism is configured such that a through-hole 4c of a cylindrical drive shaft 4a is formed in a polygonal cross-section, a handle shaft 7 fixed to the handle 5 is fitted to prevent rotation, and a collar 8 is inserted. I have. The handle 5 includes a mounting part 5a, a cover part 5b, and a base part 5c.
And the arm 5d are integrally formed. One side of the handle shaft 7 is fixed to the center of the mounting portion 5a. A shaft 19 is fixed to the arm 5d, and an operation knob 20 is rotatably mounted on the arm 5d.

On the other side of the handle shaft 7, a taper engagement surface 7b is formed by forming a conical shape with the male screw 7a. A screw member 9 composed of a nut is screwed into the male screw 7a. As shown in FIGS. 1 to 3, the outer surface 8a of the collar 8 has a polygonal cross section whose outer diameter is smaller than the inner diameter of the through hole 4c of the cylindrical drive shaft 4a.
b, 8c, 8d, 8e, outer surfaces 8g, 8h divided by the slot 8f, and chamfered curved surfaces 8i, 8j. Further, a through hole 8k is formed at the center, and one side end is formed in a conical shape, so that the taper is formed.
A surface 8m is formed. The collar 8 has a slot 8f so that the outer shape can be deformed radially outward.

Outside the side of the reel body 1 and outside the lid 6, there are formed cylindrical portions 1b and 6a around the axis of the cylindrical drive shaft 4a, respectively, and the inner periphery of the cylindrical portions 1b and 6a. Are formed with threaded portions 1c and 6b. In the drawing, a cover 21 is detachably screwed to the screw portion 6b on the lid 6 side. When the handle 5 is mounted with the left handle, the cover 21 is removably screwed to the screw portion 1c of the reel body 1.

When the handle shaft 7 and the collar 8 are inserted and mounted in the through hole 4c of the cylindrical drive shaft 4a of the drive gear 4, the collar 8 is attached to the taper engagement surface 7b of the handle shaft 7. The table
The screw member 9 made of a nut is screwed into the male screw 7a of the handle shaft 7 so that the par surface 8m is opposed. When the screw member 9 is screwed and tightened, and the other side of the collar 8 is pressed in the axial direction, the taper action by the engagement between the taper engagement surface 7b and the taper surface 8m is performed. The collar 8 is expanded and deformed radially outward, and as shown in FIG. 4, the outer surfaces 8a, 8b and 8c and the chamfered curved surfaces 8i and 8j of the collar 8 are expanded and deformed radially outward and driven in a cylindrical shape. The shaft 4a is pressed against the inner surface of the through hole 4c. By this pressure contact, the cylindrical drive shaft 4a and the handle shaft 7 are stably engaged, and the play in the rotational direction is surely stopped. Also, with the screw member 9
When the shaft 8 is pressed in the axial direction, the collar 8 is expanded and deformed radially outward on the taper engagement surface 7b of the handle shaft 7.
The screwing of the screw member 9 is not loosened by the closing force against the expanding deformation and the pressing force of the screw member 9.

When the handle 5 is rotated by gripping the operation knob 20, the rotor 3 is rotated via the handle shaft 7, the cylindrical drive shaft 4a, the drive gear 4, the pinion 2a, and the drive shaft 2 to be illustrated. A fishing line not to be wound is wound around the spool 15.

When the handle mounting mechanism is constructed as described above, the outer surface 8 of the collar 8 is inserted into the inner surface of the through hole 4c of the cylindrical drive shaft 4a.
Since a, 8b, 8c and the chamfered curved surfaces 8i, 8j are pressed into contact with each other, the cylindrical drive shaft 4a and the handle shaft 7 are stably engaged, so that the rotation in the rotating direction is surely stopped, and the winding operation is performed. It can be performed lightly and smoothly. When the collar 8 is pressed in the axial direction by the screw member 9, the collar 8 is pressed by the taper engagement surface 7 b of the handle shaft 7.
Is expanded radially outward, so that the screwing of the screw member 9 is not loosened by the closing force against the expanding deformation and the pressing force of the screw member 9.

FIG. 5 shows a second embodiment, and FIG. 5 is an enlarged sectional plan view of a main part of a fishing spinning reel.

In the second embodiment, a taper engaging surface 7b is formed at the center of the handle shaft 7 with the female screw 7c so that a taper engagement surface 7b is formed. Is screwed. Other configurations are substantially the same as those of the first embodiment.

FIGS. 6 and 7 show modifications of the color.
(A) is a cross-sectional side view of the drive shaft and the collar, (b) is a cross-sectional plan view of the drive shaft and the collar, and FIG. 7 is a cross-sectional side view in which the drive shaft and the collar are expanded and deformed radially outward. FIG.

The collar 8 'has an outer surface 8a, 8c, 8d, 8e having a polygonal cross section whose outer diameter is smaller than the inner diameter of the through hole 4c of the cylindrical drive shaft 4a, and outer surfaces 8o, 8p divided by a slot 8n. It is formed by outer surfaces 8r and 8s divided by the slot 8q. Further, a through hole 8k is formed at the center, and one end is formed in a conical shape so that the taper surface is formed.
8m is formed. The collar 8 has a slot 8n and 8q, and the outer shape of the taper surface 8m side can be deformed radially outward.

When the modified collar 8 'is incorporated in the first and second embodiments, the handle shaft 7 and the collar 8' or the handle shaft 7 are inserted into the through hole 4c of the cylindrical drive shaft 4a of the drive gear 4. 7 '
And the collar 8 'are inserted and attached. The taper engaging surface 7b of the handle shaft 7 or 7 '
The screw 8 or 9 'is screwed into the screw member 9 or 9'. When the screw member 9 or 9 'is screwed and tightened and the other side of the collar 8' is pressed in the axial direction, the taper engaging surface 7b and the taper surface 8m are engaged. The outer shape on the taper surface 8m side of the collar 8 'is expanded and deformed radially outward by the par action. At this time, as shown in FIG.
The a and 8d are deformed upward, and the outer surfaces 8c and 8e are deformed downward and pressed against the inner surface of the through hole 4c of the cylindrical drive shaft 4a. By this pressure contact, the cylindrical drive shaft 4a and the handle shaft 7 are stably engaged, and play is securely stopped in the rotating direction, so that the winding operation can be performed lightly and smoothly.

In the above description, the taper surface 8m is provided on one side of the collars 8 and 8 ', but the taper operation is omitted only by the taper engagement surface 7b of the handle shaft 7. You may let. In the above description, the fishing reel was described as a fishing spinning reel, but it may be embodied in other types of reels.

[0021]

[Effects of the Invention] Since the present invention is configured as described above,
Since the collar is expanded and deformed radially outward to the drive shaft and pressed against the drive shaft, the drive shaft and the handle shaft are stably engaged with each other, so that the play is reliably stopped in the rotational direction and the winding operation is performed. It can be performed lightly and smoothly. Also, when the collar is pressed in the axial direction by the screw member, the collar is radially expanded and deformed outward in the taper engagement surface of the handle shaft. Thus, it is possible to provide a handle mounting mechanism for a fishing reel, which has excellent effects such that the screwing of the screw member is not loosened by the pressing force of the screw member.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view of a main part of a spinning reel for fishing in a first embodiment.

FIG. 2 is an enlarged sectional plan view of a main part of the handle.

FIG. 3A is a sectional side view of a drive shaft and a collar,
(B) is a sectional plan view of the drive shaft and the collar.

FIG. 4 is a sectional side view in which a drive shaft and a collar are radially outwardly expanded and deformed.

FIG. 5 is an enlarged sectional plan view of a main part of a spinning reel for fishing in a second embodiment.

6A and 6B are cross-sectional side views of a drive shaft and a color, and FIG. 6B is a cross-sectional plan view of the drive shaft and the color.

FIG. 7 is a sectional side view in which the drive shaft and the collar are radially outwardly expanded and deformed.

[Explanation of symbols]

 Reference Signs List 4 drive gear 4a drive shaft 5 handle 7 handle shaft 7b taper engagement surface 8, 8 'color 9, 9' screw member

Claims (1)

(57) [Scope of request for utility model registration] A handle shaft having a handle attached thereto is non-rotatably fitted in a drive shaft having a drive gear, and a taper engaging surface is formed at an end of the handle shaft. A screw member that fits the deformable collar into the drive shaft, one side of the collar is opposed to a taper engagement surface formed at the end of the handle shaft, and is screwed to the handle shaft. In the color
Is pressed in the axial direction to expand and deform the collar radially outward by the taper action of the taper engagement surface, and the collar is pressed against the inner surface of the drive shaft. Handle mounting mechanism for fishing reel.