JPH11225627A - Connecting structure of fishing rod body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting structure of fishing rod body capable of preventing inadvertent contact between the internal rod body and external rod body and scarcely causing a breakage. SOLUTION: The external rod body 1 has a body part 11 and a fitted female part 12 formed on the inner peripheral surface of end part on the tip side. On the other hand, the internal rod body has a body part 21, an inclined part 22, provided in the end part one rod root side of the body part 21, in which a taper is largely formed compared with the body part 21 and a fitted female 23 formed to have larger diameter than other part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure of a fishing rod connected in a swinging manner.

[0002]

2. Description of the Related Art A conventional fishing rod of a swing type (hereinafter referred to as a swing rod) has an external rod body having a fitting female portion at a tip end of a tip and a fitting male portion at a rod end side end. An inner rod connected to the tip of the outer rod. The outer peripheral surfaces of the outer rod body and the inner rod body are coated with paint to improve waterproofness and durability.

[0003] In this swing rod, a fitting male portion of an inner rod body is inserted into a fitting female portion of an outer rod body and fitted to be used as one fishing rod.

[0004]

In a conventional swing rod,
When the inner rod body is taken in and out of the outer rod body, the peripheral surface of the inner rod body comes into contact with the tip end of the outer rod body, and the surface painting of the inner rod body peels off and produces an unpleasant sound. May occur. In order to suppress the contact between the peripheral surface of the inner rod and the front end of the outer rod, the fitting male part of the inner rod is formed to have a larger diameter than other parts of the inner rod, and It is conceivable to increase the diameter difference between the outer diameter of the rod body and the inner diameter of the end of the outer rod body on the tip side.

[0005] However, if a portion having a diameter larger than the other portion is formed in a part of the rod body, a step is generated between the large diameter portion and the other portion. When a fishing rod that exerts a large force on the fishing rod is used, stress concentrates on the step, and the rod may be damaged from the step. An object of the present invention is to provide a connecting structure of a rod body that prevents inadvertent contact between an inner rod body and an outer rod body and is less likely to be damaged.

[0006]

The connecting structure for a rod according to the first aspect of the present invention is a connecting structure for a rod in which an internal rod is connected in a swingable manner so as to be housed inside an external rod. Here, the external rod body has a cylindrical first main body portion tapered to have a smaller diameter toward the tip end, and a fitting female portion formed at the tip end side of the first main body portion. Further, the inner rod body has a cylindrical second main body portion that is tapered to a smaller diameter toward the tip side, and is formed on the rod base side of the second main body portion and has a larger taper than the taper of the second main body portion. And a fitting male portion formed in the inclined portion to have a larger diameter than other portions and fitted to the fitting female portion.

In this case, the fitting female part of the outer rod and the fitting male part of the inner rod are fitted to connect the outer rod and the inner rod. Here, the inclined portion has a larger taper than the taper of the main body portion, and the outer diameter of the fitting male portion at the rod-side end is sufficiently larger than the outer diameter of the main body portion of the inner rod body. Become. As a result, the difference between the inner diameter of the female fitting part of the outer rod and the outer diameter of the main body of the inner rod can be made large, and when the inner rod is taken in and out of the outer rod, the inner rod body It is possible to prevent the surface of the part from inadvertently contacting the external rod body.

The male fitting portion of the inner rod body having a larger diameter than other portions is formed in an inclined portion, and the inclined portion reinforces a step between the fitting male portion and the other portion. I have. For this reason, even when a large stress is concentrated on the step between the fitting male part and the other part when the fishing rod is used, the fishing rod is not easily broken. The connecting structure of the rod according to the second aspect is the connecting structure of the first aspect, wherein the surfaces of the second main body and the inclined portion of the inner rod are painted surfaces, and the fitting male portion is The surface is a polished surface obtained by polishing a material.

In this case, since the surface of the male fitting portion is a polished surface of a polished material, the adhesion stability with the female fitting portion is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] A first embodiment of the present invention will be described below with reference to the drawings. (Overall Configuration) A fishing rod employing the first embodiment of the present invention is:
As shown in FIG. 1, an external rod 1 and a plurality of internal rods 2 connected to the tip of the external rod 1 so as to be housed in the external rod 1 are provided. The outer rod body 1 includes a grip 3 provided at an end portion of the rod end and a reel sheet 4 provided on an outer peripheral surface slightly on the tip side of the grip 3 to which a reel 5 can be mounted.
And a fishing line introduction hole 6 that is provided on the outer peripheral surface of the reel sheet 4 on the tip side thereof and that allows the fishing line L from the reel 5 to be inserted into the inside of the rod body. The inner rod body 2 is configured such that a plurality of rod bodies can be sequentially inserted and housed therein.
Is provided. Then, the fishing line L guided from the reel 5 is introduced into the outer rod body 1 and the inner rod body 2 from the fishing line introduction hole 6 and is guided to the outside from the top guide 7.

As shown in FIG. 2, the outer rod body 1 is a cylindrical member having a tapered shape with a smaller diameter toward the tip side.
The inside is a rod storage unit 100 that can store the internal rod body 2. The external rod body 1 has a main body 11 and a fitting female part 12 formed on the inner peripheral surface of the tip side end. The main body 11 is formed by winding a sheet-shaped prepreg obtained by impregnating a resin into carbon fiber reinforcing fibers around a mandrel. Further, a resin layer (not shown) which is relatively softer than other portions is formed on the inner peripheral surface of the fitting female portion 12. This resin layer is formed from a prepreg obtained by impregnating a resin into polypropylene fibers, and is formed integrally with the main body 11.

As shown in FIGS. 2 and 3, the inner rod body 2 is a cylindrical member having a taper formed to have a smaller diameter toward the ear, and the other inner rod connected to the ear. Is a rod storage unit 200 capable of storing the information. The inner rod 2
A main body portion 21, an inclined portion 22 provided at the rod end side end of the main body portion 21 and having a larger taper than the taper of the main body portion 21, and provided on the inclined portion 22 to have a larger diameter than other portions. And a formed fitting male part 23. A tail plug portion 24 is provided on the rod-side end surface of the male fitting portion 23.

As shown in FIG. 3, the main body 21 is formed by winding a sheet-shaped prepreg in which a carbon fiber reinforcing fiber is impregnated with a resin around a mandrel, similarly to the main body 11 of the external rod body 1. Things. As will be described in detail later, the inclined portion 22 is formed by winding another prepreg around the prepreg forming the main body portion 21 and integrating it with the main body portion 21. Also, the fitting male part 23
Similarly to the inclined portion 22, another prepreg is wound and integrally formed, and conforms to the inner diameter of the female fitting portion 12 of the external rod body 1. The fitting male portion 23 is formed to have a larger diameter than other portions, and a step 30 is provided between the fitting male portion 23 and the inclined portion 22. Note that a coating material or the like is applied to the surfaces of the main body 21 and the inclined portion 22, and a coating material treatment is performed. On the other hand, the surface of the fitting male portion 23 is still subjected to the polishing process.

The tail plug portion 24 has a screw portion 24a, and the screw portion 24a can be screwed to the end face on the rod base side of the male fitting portion 23 and can be fixed. (Method of Manufacturing Internal Rod 2) The internal rod 2 employing the first embodiment of the present invention is manufactured as follows.

As shown in FIG. 4, a release agent 40 such as wax is applied to the outer periphery of a mandrel 100 having a predetermined taper, and a sheet-shaped prepreg obtained by impregnating a resin into carbon fiber reinforcing fibers. The layers 41 to 44 are sequentially wound while being pressurized. Here, the innermost first prepreg is 41,
The reinforcing fibers are formed by using reinforcing fibers oriented in the length direction of the tape, and the reinforcing fiber groups 51 are oriented in the circumferential direction of the inner rod body 2. The second to fourth prepreg layers 42 to 44 sequentially wound around the outer periphery of the first prepreg 41 are formed by using reinforcing fibers oriented in the width direction of the tape. The reinforcing fiber groups 52 to 54 are oriented in the axial direction of the mandrel. The prepregs 41 to 44 constitute the main body 21 of the inner rod body 2.

After forming the main body 21 in this manner, FIG.
As shown in (a), the inclined prepreg 51 is wound around the pole base. The inclined prepreg 51 is a trapezoidal shape having a long side on the rod base side, and is wound around the outer periphery of the main body 21 to have a portion having a larger taper than the taper of the main body 21, The part 22 is formed. After the inclined portion 22 is formed, the fitting prepreg 52 is further wound around the rod-side end as shown in FIG. By winding the fitting prepreg 52, the fitting portion 23 having a larger diameter than other portions is formed.

Thereafter, a protective tape (not shown) made of polyethylene terephthalate or polypropylene is wound around the outer periphery to obtain a rod material. The obtained rod material is fired by applying pressure from the outer peripheral side, the mandrel 300 is pulled out, and the protective tape is peeled off. Then, both ends are cut off and the surface is polished or the like to manufacture the internal rod body 2.

After the polishing process, various coating materials are applied to the surfaces of the main body 21 and the inclined portion 22 of the inner rod body 2 as needed to improve water repellency, weather resistance, design, etc. . On the other hand, the surface of the fitting male portion 23 is not subjected to the application of a coating material or the like while being polished. (Method of Manufacturing External Rod 1) The external rod 1 employing the first embodiment of the present invention is manufactured as follows.

First, a release agent such as wax is applied to the outer periphery of a mandrel having a predetermined taper. Then, in order to form a relatively soft resin layer on the inner peripheral surface of the fitting female portion 12 at the tip end side, a prepreg impregnated with polyethylene fiber resin is wound around the tip side of the mandrel. . Thereafter, similarly to the inner rod 1, a plurality of sheet-shaped prepregs in which carbon fiber reinforcing fibers are impregnated with a resin are sequentially wound while being pressed. Thereafter, a protective tape made of polyethylene terephthalate or polypropylene is wound around the outer periphery to obtain a rod material. The obtained rod material is fired by applying pressure from the outer peripheral side, the mandrel is pulled out, and the protective tape is peeled off. Then, both ends are cut off and the surface is polished or the like to manufacture the external rod body 1.

(Operation) In the fishing rod configured as described above,
Fitting female part 12 of outer rod 1 and fitting male part 23 of inner rod 2
And the outer rod 1 and the inner rod 2 are connected. Here, the inclined portion 22 has a larger taper than the taper of the main body portion 21, and the outer diameter of the fitting male portion 23 at the rod-side end is sufficiently larger than the outer diameter of the main body portion 21. Thus, the inner diameter of the fitting female portion 12 can be formed sufficiently larger than the outer circumference of the main body portion 21 of the inner rod body 2. As a result, when the internal rod body 2 is taken in and out of the external rod body 1, the surface of the main body 21 of the internal rod body 2 accidentally comes into contact with the inner peripheral surface of the fitted female portion 12 of the external rod body 1. Can be prevented, and the generation of unpleasant sound and the surface coating of the inner rod 2 can be prevented from peeling off.

The male fitting portion 23 of the inner rod body 2 is formed on the inclined portion 22, and the inclined portion reinforces a step portion 30 between the male fitting portion 23 and other portions. For this reason, even when a large stress is concentrated on the step portion 30 when the fishing rod is used, the fishing rod is not easily broken. Further, in the present embodiment, a polyethylene fiber reinforced resin layer relatively softer than carbon fiber reinforced resin is provided on the inner peripheral surface of the female fitting portion 12 of the outer rod 1, and the surface of the inner rod 1 is Wear can be effectively prevented.

[Second Embodiment] Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 6, the external rod body 61 employing the second embodiment of the present invention is a cylindrical member having a taper formed to have a smaller diameter toward the tip, and can house the internal rod body 62 inside. Napole storage part 1
00. The outer rod body 61 has a main body 71 and a fitting female part 72 formed on the inner peripheral surface of the tip side end. The main body 71 is formed by winding a sheet-shaped prepreg in which a resin is impregnated with carbon fiber reinforcing fibers around a mandrel. In addition, a resin layer (not shown) that is relatively softer than other portions is formed on the inner peripheral surface of the fitting female portion 72. This resin layer is formed from a prepreg obtained by impregnating a resin into rayon fiber, and is formed integrally with the main body 71.

As shown in FIG. 6, the inner rod 62 is a cylindrical member having a tapered shape with a smaller diameter toward the tip, and the inner rod 62 can accommodate another inner rod connected to the tip. The pole storage section 200 is provided. The inner rod body 62 is provided at the rod-side end of the main body part 81 and the main body part 8.
It has an inclined portion 82 having a larger taper than the first taper, and a fitting male portion 83 provided continuously to the inclined portion 82 and having a larger diameter than other portions. A tail plug portion 84 is provided on the rod-side end surface of the male fitting portion 83.

The male fitting portion 83 includes a main body portion 81 and an inclined portion 82.
And is formed so as to match the inner diameter of the fitted female portion 72 of the external rod body 61. This fitting male part 83
Is formed to have a larger diameter than the other portion continuously from the inclined portion 83, and the peripheral surface of the fitting male portion 83 and the peripheral surface of the inclined portion 82 are continuously tapered. The other configuration is the same as that of the first embodiment, and the description is omitted.

(Method of Manufacturing Inner Rod 62) Second Embodiment of the Present Invention
The internal rod 62 employing the embodiment is manufactured as follows. Similarly to the first embodiment, a release agent such as wax is applied to the outer periphery of the mandrel 300 having a predetermined taper, and a sheet-like prepreg in which a carbon fiber reinforcing fiber is impregnated with a resin is sequentially pressurized. Winding body part 8
Form one. Thereafter, as shown in FIG. 7A, the inclined prepreg 91 is wound around the rod base. The inclined prepreg 91 is a trapezoidal shape having a long side on the pole base side, and is wound around the outer periphery of the main body 81 to have a portion having a larger taper than the taper of the main body 81, A portion 82 is formed. After forming the inclined portion 82,
As shown in FIG. 7B, the fitting prepreg 92 is further wound around the rod base end. The fitting prepreg 92 is also a trapezoidal shape having a long side on the pole base side, and the fitting prepreg 92 wound around the fitting prepreg 92 has a larger diameter than the other portion.
Is formed.

The fishing rod configured as described above has the same operation and effect as the first embodiment.

[0027]

According to the fishing rod of the present invention, the inner diameter of the end of the outer rod at the tip of the tip can be made sufficiently larger than the outer diameter of the main body of the inner rod. Inadvertent contact between the outer peripheral surface and the external rod body can be prevented. Further, since the fitting male portion is formed on the inclined portion, it is possible to prevent the rod body from being damaged from the fitting male portion when a large force is applied to the rod body.

[Brief description of the drawings]

FIG. 1 is an overall view of a fishing rod employing an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a connecting portion between an outer rod 1 and an inner rod 2 in FIG.

FIG. 3 is an enlarged cross-sectional view of the vicinity of a rod base side of the internal rod body 2.

FIG. 4 is a sectional view of the main body 21 of the inner rod body 2 in the process of being manufactured.

FIG. 5 is a diagram showing a manufacturing process of the inner rod body 2.

FIG. 6 shows an external pole body 61 employing a second embodiment of the present invention.
FIG. 6 is an enlarged cross-sectional view of a connection portion between the inner rod body and the inner rod body.

FIG. 7 is a diagram showing a manufacturing process of the inner rod body 62.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 61 External rod body 2, 62 Internal rod body 11 Main part 12 Fitting female part 21, 81 Main body part 22, 82 Inclined part 23, 83 Fitting male part 24, 84 Butt plug part

Claims (2)

[Claims] 1. A connecting structure of a rod body in which an inner rod body is connected in a swingable manner so as to be housed inside the outer rod body, wherein the outer rod body has a taper formed to have a smaller diameter toward a tip side. A first body portion, and a fitting female portion formed at a tip side end of the first body portion. The inner rod body is formed in a cylindrical shape having a smaller diameter tapered toward the tip side. A second body portion, an inclined portion formed on the rod base side of the second body portion and having a larger taper than the taper of the second body portion, and a larger portion on the inclined portion than other portions. A connecting structure for a rod body having a fitting male portion formed to have a diameter and fitting to the fitting female portion. 2. The surface of the second main body portion and the inclined portion of the internal rod body is a painted surface on which surface painting is applied, and the surface of the fitting male portion is a polished surface obtained by polishing a material. 2. The connecting structure of the rod according to 1.