JP2004187590A - Internally threaded rod - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an internally threaded rod enabling a fishline-threading operation to be smoothly carried out. <P>SOLUTION: This internally threaded rod has a butt rod 1 and an upper butt rod 2 joined to the point side of the butt rod 1. A fishline-introducing hole 6 is formed on the circumferential surface of the butt rod 1, and the terminal part at the point side is a fitting female part. A guide member 10 is arranged on the inner periphery surface neighboring the butt rod side of the fitting female part. When a line-passing tool 50 is introduced from the fishline-introducing hole 6, a cap 52 of the line-passing tool 50 brought into contact with the guide member 10 is lifted up, and smoothly introduced into the upper butt rod 2. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fishing rod, and more particularly, to a fishing rod that is connected in a swing-out manner and through which a fishing line can be inserted.
[0002]
[Prior art]
The conventional swing-type through-hole rod has a head rod, a middle rod, etc. having a fishing line passage therein and a former rod, and a former rod which is connected to the rod base side of these rod bodies and can sequentially store each rod body therein. It is equipped with a pole.
The original rod has a reel sheet provided on the outer peripheral surface to which a reel can be attached, and a fishing line introduction port provided on the tip side of the reel sheet. A plug-shaped tail plug is attached to the rod-side end. In addition, a bottom plug having a through-hole penetrating in the axial direction is attached to an end of the other rod body on the rod base side. A top guide is attached to the tip of the tip of the tip rod.
[0003]
In such a conventional through rod, when used, each rod body is sequentially pulled out to the tip side and fixed to be used as one fishing rod. Then, the fishing line from the reel provided on the outer peripheral surface of the original rod is introduced into the fishing line passage in the rod body from the fishing line introduction port, and sequentially passes through the through hole of the bottom plug of each rod body to the rod body on the tip side. It is guided to the outside from the top guide provided at the tip of the tip of the tip rod.
[0004]
In this type of threading rod, a threading device is used to introduce a fishing line from a fishing line introduction port into a fishing line passage and pass the fishing line through the fishing line passage (hereinafter referred to as a “line insertion operation”). A general threading tool is made of a wire formed by twisting a plurality of metal wires. A fishing line locking portion for locking the fishing line is provided at the rear end of the wire, and a cap for preventing the wire of the wire from spreading is fixed to the front end of the wire.
[0005]
When performing a fishing line insertion operation using such a threader, first, the upper rod is connected to the tip of the former rod in which the fishing line inlet is formed in a state where the upper rod is pulled out. Then, the fishing line is locked to the line locking portion of the threading device, and the cap is inserted from the fishing line introduction port. The wire is sequentially sent to the tip of the upper rod, the threader is inserted from the bottom plug of the former rod into the upper rod, and is led out from the tip (for example, see Patent Document 1).
[0006]
[Patent Document 1]
JP-A-2000-116286 (FIG. 5)
[0007]
[Problems to be solved by the invention]
One of the problems in such a fishing line insertion operation is that there is a case where the threading tool does not reach the tip end side rod well through the bottom plug. For example, in an original rod in which a fishing line introduction port is formed on a peripheral surface at a predetermined distance from the tip side end, a certain axial distance exists from the fishing line introduction port to the bottom plug of the original upper rod. . Therefore, as shown in FIG. 4, when the threading tool 50 is inserted from the fishing line introduction port 101 a of the former rod 101, the cap 51 hangs down in the vertical direction due to its own weight, such as the cap 51, and the bottom of the former upper rod 102. This makes it difficult to insert the cap 51 into the through hole of the plug 105.
[0008]
An object of the present invention is to provide a boring rod that can smoothly perform a fishing line insertion operation.
[0009]
[Means for Solving the Problems]
The boring rod according to the first aspect of the present invention is a boring rod through which a fishing line from a reel penetrates through the inside of the rod body, wherein a fishing line introduction port for introducing a fishing line from the reel into the inside is formed on a peripheral surface on a tip side. A first rod body having an inner peripheral surface at the tip end side as a fitting female portion, and a first rod body connected to the tip side of the first rod body in a swinging manner, and an outer peripheral surface at the rod base end portion as the fitting female portion; A second rod body that is a male fitting part that can be fitted to the second rod body, and a bottom plug that is detachably attached to a rod base end of the second rod body and that has a through hole that penetrates in the axial direction, It is a ring-shaped member that is internally fitted to the inner peripheral surface of the female fitting portion of the first rod body that is adjacent to the base side of the rod, and includes a guide member that can freely move in and out in the radial direction.
[0010]
A conventional general threading tool is used also when performing a fishing line insertion operation with this centering rod. In a state where the fishing line is locked to the line locking portion of the threading device, and the second rod body is pulled out and connected to the tip of the first rod body, the cap of the threading device is removed from the fishing line introduction port of the first rod body. insert. The cap sent from the fishing line inlet to the tip side inside the first rod body is positioned by its own weight in the vertical direction of the inner peripheral surface inside the first rod body, but when it reaches the guide member, it is lifted on the guide member. Can be Then, it is guided as it is to the through hole of the bottom plug of the second rod body. The guide member can be freely moved up and down in the radial direction. When the second rod body is housed in the first rod body in a swing-out form, it is retracted outward in the radial direction, and the second rod body is inserted into the first rod body. It does not prevent insertion.
[0011]
The through rod of the second aspect is the through rod of the first aspect, wherein the guide member is formed of an elastic body.
When the second rod body is housed in the first rod body and the bottom plug of the second rod body hits the guide member, the guide member is pushed radially outward by the elasticity of the material, and the second rod body moves in the axial direction. Space to be secured.
[0012]
The boring rod according to a third aspect of the present invention is the boring rod according to the second aspect, wherein the ring-shaped inner peripheral surface of the guide member is a curved surface protruding most inward near the center in the axial direction.
When the cap of the threading device reaches the guide member, it reaches the tip side along the inner circumferential surface of the first rod, and when it reaches the guide member, it is lifted along a predetermined curved surface of the inner circumferential surface of the ring, and the cap is smoothly moved. Through the ring of the guide member and guided to the bottom plug.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
[First Embodiment]
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
(About the through rod)
As shown in FIG. 1, a through rod adopting a first embodiment of the present invention includes a base rod 1, a center rod 3, and a head connected to a base rod 1 and a head side of the base rod 1 sequentially in a swinging manner. And a pole 4. Each rod body is a tapered tubular member made of a fiber reinforced resin, and has a fishing line passage for inserting a fishing line therein.
[0014]
The original rod 1 has a reel sheet 5 formed on the peripheral surface to which a reel R can be detachably attached, a fishing line inlet 6 formed on the peripheral surface of the reel sheet 5 on the tip side, and a vicinity of the fishing line inlet 6. It has a fixed fishing line introduction guide 7 for guiding the fishing line L from the reel R to the fishing line insertion opening 6, and a tail plug 8 detachably attached to the rod-side end.
Further, the inner peripheral surface of the tip side end portion is a fitting female portion 1a for connecting the rod bodies in a protruding manner (see FIG. 2). The fitting female portion 1a may be thicker and smaller in diameter than other portions. The guide member 10 is fitted inside the inner peripheral surface of the fitting male portion 1a adjacent to the rod base side.
[0015]
The fishing line introduction port 6 is a long hole in the axial direction formed on the side where the reel sheet 5 is formed in the circumferential direction, and a hard ring corresponding to the opening is fitted as necessary. For example, the hard ring is formed of ceramics or the like, and may be formed with a flange or the like that matches the shape of the fishing line inlet 6, and the flange may be fitted into the fishing line inlet 6 and fixed with an adhesive or the like.
[0016]
The fishing line introduction guide 7 is a member made of metal or synthetic resin disposed on the peripheral surface of the original rod 1 so as to straddle the fishing line introduction port 6 in the axial direction, and has a hard guide ring. The fishing line L is guided by a ring. The bottom plug 8 is a plug that is detachably attached to the rod base end of the main rod 1. For example, a thread is formed directly on the inner peripheral surface of the rod base end of the main rod 1, and a screw is formed here. It is attached by the method of matching.
[0017]
The guide member 10 is a ring-shaped member made of an elastic material such as synthetic or natural rubber, a sponge body, and a sponge body. The inner peripheral surface of the ring is gently curved in the axial direction so as to have the smallest diameter near the center in the axial direction. The guide member 10 need only be about 3 to 5 mm in the axial direction.
The guide member 10 is fixed such that a part of the ring on the outer peripheral side is buried in the inner peripheral surface of the original rod 1. For example, the guide member 10 can be arranged and fixed on a predetermined inner peripheral surface of the original rod 1 by the following method.
[0018]
Generally, a rod body such as the original rod 1 is formed by winding a prepreg material made of carbon fiber reinforced resin or the like around a core material having a predetermined taper. Therefore, a concave groove is formed in the circumferential surface at a predetermined position in the axial direction of the core material, and the guide member 10 is arranged. The guide member 10 may be, for example, a combination of half-split members. Then, the prepreg material is wound around the outer periphery of the guide member 10 and the core material. When the prepreg material is calcined after firing, the original rod 1 in which the guide member 10 is disposed on the inner peripheral surface of the tube can be obtained.
[0019]
As shown in FIG. 2, the former upper rod 2 is a tapered cylindrical member connected to the tip of the former rod 1 in a swinging manner, and the inside thereof is a fishing line passage through which the fishing line L can be inserted. The outer peripheral surface of the rod base side end portion is a fitting male part that can be fitted to the fitting female part 1a of the above-mentioned former rod 1. In addition, a fishing line support protrusion that is spirally continuous may be formed on the inner peripheral surface (fish line passage surface) of the former upper rod 2 while providing an interval in the axial direction (not shown). By utilizing such a fishing line support projection, the contact area between the fishing line and the inner peripheral surface of the rod is reduced.
[0020]
In addition, a thread groove is formed directly on the inner peripheral surface of the rod base side end portion to form a nut portion, and the bottom plug 11 is detachably mounted here. The bottom plug 11 is a plug member formed of a synthetic resin or the like, and has a thread groove formed on an outer peripheral surface to form a bolt portion. A through-hole penetrating in the axial direction is formed, and a guide ring made of a hard member such as ceramic is fitted into the inner peripheral surface of the through-hole. The rod base side of the through hole has a curved surface whose diameter increases as the rod base side opening, so that a threading device described later is easily introduced. In addition, the tip side of the through hole of the butt plug 11 is also increased in diameter, and serves as a rod body storage section. The rod base side end portion of the middle rod 3 is stored in this rod body storage section, and consideration is given so that the fishing line insertion operation can be performed once (see FIG. 2).
[0021]
The middle rod 3 and the tip rod 4 are also tapered cylindrical members similar to the former upper rod 2. A fitting portion for connecting in a swing-out manner is also formed on each rod body. Further, a helical continuous fishing line support projection may be formed on the inner peripheral surface (line of the fishing line passage) of the internal fishing line passage while providing an interval in the axial direction. A top guide 9 is also attached to the tip end of the tip rod 4 so as to be detachable.
[0022]
(About threader)
Next, the structure of a general threading device will be briefly described.
As shown in FIG. 4, the threading device 50 has a linear main body 51, a cap 52 provided at the tip of the main body 51, and a fishing line L provided at the rear end of the main body 51. Fishing line locking portion 53.
[0023]
The main body 51 is a bendable linear member formed of a wire formed of a plurality of metal wires or a synthetic resin. When formed from a metal wire, the surface is coated with a synthetic resin. Various colors and patterns are applied according to the product image. The cap portion 52 is a cylindrical member with a cover made of metal or synthetic resin, and is arranged so as to house the distal end portion of the main body portion 51. Further, the fishing line locking portion 53 is formed in a ring shape with a wire or the like having a smaller diameter than the main body portion 51, and the fishing line L can be locked to the ring-shaped portion. These are smaller than the inner diameter of the tip rod 4 and can be inserted through the fishing line passage inside the through rod.
[0024]
(About fishing line insertion operation)
When the fishing line insertion operation is performed in the through rod, the following procedure is performed. First, as shown in FIG. 2, the upper rod is pulled out and connected to the tip of the former rod 1, and the middle rod 3 and the tip rod 4 are stored in the former rod 2. The cap 52 of the threading device 50 is inserted from the fishing line introduction port 6 of the original rod 1 while the fishing line L is locked in the fishing line locking portion 53 of the threading device 50. The cap 52 sent from the fishing line introduction port 6 to the tip side in the original rod 1 is positioned in the original rod 1 by its own weight in the vertical direction of the inner peripheral surface thereof. And lifted. Then, it is guided to the through hole of the bottom plug 11 of the former upper rod 2 as it is. The rod-side storage portions on the tip side of the through hole of the bottom plug 11 accommodate the rod-side end portions of the middle rod 3 and the tip rod 4, and the cap 52 inserted through the through hole is directly guided into the tip rod 4. I will As it is, the threader 50 is further pushed out to the tip side, pulled out from the top guide 7 of the tip rod 4, and the fishing line L is inserted into the rod body.
[0025]
In addition, the guide member 10 can freely move in and out in the radial direction due to the elasticity of the material. As shown in FIG. 3, when the former rod 2 is housed in the former rod 1 in a swinging-out manner, when the bottom plug 11 hits, the guide member 10 is sunk in a radially outward direction to secure a space. It does not hinder the insertion of the rod 2 into the former rod 1.
[Other embodiments]
(A) In the above embodiment, the method of manufacturing the original rod 1 by winding the prepreg material in a state in which the guide member 10 is included in advance is described, but the guide member 10 is disposed in the original rod 1 by retrofitting. It is also possible.
[0026]
For example, a recess is formed in the inner peripheral surface of the original rod 1 at a predetermined axial position so as to be recessed in the circumferential direction in advance. The depression can also be formed by partially winding a water-soluble tape on the outer peripheral surface of the core material, winding the prepreg material around the core material, firing, and then dissolving the water-soluble tape. Thereafter, a ring-shaped guide member 10 is inserted from the end of the original rod 1 which is a completed tubular body to the tip of the rod or the end of the rod and inserted into a predetermined recess.
[0027]
【The invention's effect】
With the center rod of the present invention, the fishing line insertion operation can be performed smoothly.
[Brief description of the drawings]
FIG. 1 is an overall view of a through rod adopting a first embodiment of the present invention.
FIG. 2 is a cross-sectional view showing a connecting portion between a former rod 1 and a former upper rod 2 in FIG.
FIG. 3 is a view showing a situation when the former pole 2 is stored in the former pole 1;
FIG. 4 is a view showing a general threading device 50;
FIG. 5 is a cross-sectional view showing a connection portion between a former upper rod 2 and a former rod 1 of a conventional through rod.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Former rod 2 Former upper rod 3 Middle rod 4 Head rod 10 Guide member 11 Bottom plug 50 Threader

Claims (3)

A fishing rod through which the fishing line from the reel passes through the inside of the rod body,
A first rod body in which a fishing line introduction port for introducing a fishing line from a reel into the inside is formed on the peripheral surface on the tip side, and the inner peripheral surface on the tip side end portion is a fitting female portion;
A second rod body connected to the tip side of the first rod body in a swing-out manner, and having a rod-side end outer peripheral surface serving as a fitting male portion fittable to the fitting female portion;
A bottom plug formed with a through hole that is detachably attached to a rod base end of the second rod body and penetrates in the axial direction;
A ring-shaped member which is internally fitted to an inner peripheral surface of the first rod body which is adjacent to a rod base side of the female fitting portion, and a guide member which is capable of protruding and retracting in a radial direction;
A through rod equipped with. The through rod according to claim 1, wherein the guide member is formed of an elastic body. The through rod according to claim 2, wherein the ring-shaped inner peripheral surface of the guide member is a curved surface that protrudes most inward near the center in the axial direction.

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