JP3483926B2 - Middle rod fixing structure for fishing rod - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is composed of a plurality of middle rods and a main rod, and the middle rod is pulled out from the main rod or, conversely, is engaged with a tip engaging portion of the main rod. The present invention relates to improvement of a structure for fixing a middle rod during storage.

[0002]

2. Description of the Related Art A conventional stretchable fishing rod (B) is, as shown in FIG. 6, used to house an outermost large diameter medium rod (31) in the rod (30) or to remove it from the rod (30). It can be pulled out. When the outermost large-diameter middle rod (31) is stored in the original rod (30) to shorten the fishing rod (B) overall length, the annular thick portion (32) attached to the rear end of the original rod (30) The outermost large diameter rod (31) is supported by the front and rear two points by the 0 ring portion (33) arranged on the entire inner circumference and the tip connecting portion (34) of the rod (30). The rod (30) and the outermost large-diameter medium rod (31) are integrated without any sticking.

In this case, the O-ring portion (33) and the original rod (30)
The tip connecting portion (34) of the outermost large diameter rod (31) is in close contact with the tip connecting portion (34) over the entire circumference, so that a complete closed space (35) is formed between the 0 ring portion (33) and the tip connecting portion (34). ), And if water or seawater enters the inside of this closed space (35), it will not easily escape, and even if the vent plug (36) has a vent hole (37).
Even if there is a hole in the
Water does not drain well even if (36) is loosened or removed. Therefore, in order to extend the fishing rod (B), the outermost large diameter medium rod (31)
When the storage end of the outermost large-diameter middle rod (31) is disengaged from the O-ring part (33) when pulled out from (0), the closed space (35) is opened and accumulated in the closed space (35). The water and seawater that had been flowing out may overflow and may flow out through the vent hole (37) of the buttocks (36) and wet the sleeves and clothes of the arm holding the rod.

Furthermore, when the airtight closed space (35) is formed as described above, the air between the closed spaces (35) does not escape and the outermost large diameter rod (3)
The air in the closed space (35) is compressed when the 2) is inserted into the rod (30), and when it is pulled out, it becomes a decompressed state, and it is considerably necessary to attach and detach the outermost large diameter rod (31). Will be required.
In particular, there is a problem that manual work in a mountain stream is difficult unlike work on land. In addition, as described above, when the entire outer circumference of the rear end portion of the outermost large diameter middle rod (31) is held by the O-ring portion (33), the O-ring portion (33) is not easily deformed and is not easily attached or detached. There is a problem.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems of the prior art, and its object is to attach / detach the outermost large-diameter middle rod to the main rod even in a mountain stream where work is difficult. It is to provide a middle rod fixing structure for a fishing rod that is simple, has excellent drainage, and does not accumulate water or seawater inside.

[0006]

[Means for Solving the Problems] Fishing rod (A) according to the present invention
The inner rod fixing structure is stored in the original rod so that it can be pulled out .
In the middle rod fixing structure for a fishing rod for fixing the middle rod to the rear end of the former rod, a ring tube (4) fitted to the inner circumference of the rear end of the former rod (1).
When, is fitted into holes drilled in the-ring tube (4) (5), points or lines on the rear end outer peripheral surface of the base rod (1) accommodated the outermost GawaFutoshi diametric rod in (2) an elastic pressing member (6) for pressing contact with the original rod (1)
It is characterized in that it is attached to the buttocks of the tongue and has a buttocks plug (8) having a vent hole (21).

When the outermost large-diameter middle rod (2) is stored in the base rod (1) here, the outermost large-diameter middle rod (2) is inserted into the inner peripheral side of the ring cylinder (4), and the outer periphery thereof is inserted. The elastic pressing member (6) comes into contact with the surface by pressing it at a plurality of points or in a linear shape. in this case,
Since each elastic pressing member (6) will be deformed independently, it is possible to insert the outermost large diameter rod (2) into the ring tube (4) very smoothly, and also firmly Large outer diameter rod
(2) The outer circumference of the rear end can be held.

Further, even if water or seawater intrudes between the base rod (1) and the outermost large diameter middle rod (2) during use, the rear end portion of the outermost large diameter rod (2). Since the outer peripheral surface of the elastic pressing member (6) is held in a point or line shape, it passes through the gap (7) between the elastic pressing members (6) and the storage end of the outermost large diameter middle rod (2). There is no possibility that water or seawater will be accumulated inside by passing between the contact surface with the buttocks (8) and immediately flowing out from the vent holes (21) of the buttocks (8). Further, when the water drainage is slow, when the buttocks (8) are loosened or removed, the buttocks (8) easily come out from the screwed portion (9) of the buttocks.

Further, the outermost large diameter middle rod (2) is supported by both ends of the base rod (1), but the tip connecting portion (10) of the base rod (1)
Even if the ring-shaped protrusion (11) of the outermost large diameter middle rod (2) is tightly fitted in, the rear end portion of the outermost large diameter middle rod (2) is in point or linear contact as described above. Because of this, the air does not easily escape from the threaded portion (9) of the buttocks (8) to create a closed state, a closed closed space like the conventional example is not formed, and even if it is in the mountain stream, it is the outermost The large diameter middle rod (2) can be easily put in and taken out.

The second aspect is that "the storage end (2a) of the middle rod (2),
Alternatively, the water passage groove (22) or water passage that communicates with the inside and outside of the storage end (2a) of the middle rod (2a) at the contact surface of the butt plug (8) with which the storage end (2a) of the middle rod (2) abuts. A hole (not shown) is formed ", which allows water that has entered between the outermost large diameter middle rod (2) and the main rod (1) After passing through 22), it flows out to the butt plug (8) side without delay, and easily flows out through the vent hole (21).

[0011]

The present invention will be described below with reference to the illustrated embodiments. The fishing rod (A) according to the present invention is a hakama type original rod (1) shorter than the intermediate rod (2) (3), and is composed of a plurality of intermediate rods (2) (3), and has a diameter of The thin middle rod (3) is housed in the thick middle rod (2) and can be pulled out. The entire middle rod (2) (3) or the rear end part is formed in a gentle taper shape so that the diameter increases toward the rear end, and when the thin middle rod (3) is pulled out. Is the rear end joint (12) of the small diameter middle rod (3)
Is connected to the tip connecting portion (not shown) of the outer large diameter rod (2) to be integrated. Similarly, when the outermost large diameter medium rod (2) is pulled out from the original rod (1), the outermost large diameter medium rod (2)
(2) The rear end connecting portion (13) is connected to the front end connecting portion (10) of the original rod (1), thereby forming a long fishing rod.

On the contrary, if the outermost large diameter middle rod (2) is stored in the base rod (1) and the second and subsequent middle rods (2) are pulled out, it is used as a short fishing rod (A). With this, the length of the fishing rod (A) can be adjusted. Here, on the outer periphery of the rear portion of the outermost large diameter middle rod (2), an annular protrusion (11) having a semicircular cross section is formed, and the outermost large diameter middle rod (2) is formed on the original rod (1). When it is stored, it fits into the tip connecting part (10) of the original rod (1), and the outermost large diameter middle rod (2) is held at both ends of the original rod (1). The outermost large diameter middle rod (2) does not rattle when used.

The base rod (1) has a simple tubular shape (or may be formed in a gentle taper shape such that the diameter increases toward the rear end), and the ring cylinder (4) is provided at the rear end. Is fitted and fixed by adhesion. For both the main rod (1) and the middle rod (2) (3), a loose taper-shaped cored bar (not shown) called a mandrel is wrapped with a resin-impregnated prepreg (not shown) and fired. It is formed by removing gold.

The ring cylinder (4) has a tapered inner periphery at the front end, and has a rear end guide portion (14) at the outermost large diameter middle rod (2).
The female screw portion (15) for screwing the buttocks is screwed on the inner circumference of the rear end. A collar (16) is provided around the rear end of the ring tube (4).
And a plurality of through holes (5) (four in this embodiment) are formed in the body (17). Also, the torso
A shallow groove (18) is formed in a step shape on the outer periphery of (17) so as to match the through hole (5).

The elastic pressing member (6) is used by being fitted in the through hole (5), and has bulging portions (6b) at both ends of the neck portion (6a).
(6c) is formed, and the inner bulge (6c) is the ring tube (4).
Of the outer bulge (6b) protruding toward the inner peripheral surface of the groove (18)
It fits inside. Thereby, the elastic pressing member (6)
Since the edge of the through hole (5) is sandwiched between the inner and outer bulging portions (6b) and (6c), it does not fall off. This Ring Tube (4)
Is fixed to the inner circumference of the rear end of the base rod (1) with an adhesive as described above, but the groove (18) serves as an adhesive reservoir, not only strengthening the bond between the two The agent does not overflow from the joint. The elastic pressing member (6c) is a molded product such as natural rubber or synthetic rubber, or synthetic resin such as elastomer resin in this embodiment.

The butt plug (8) includes a lid portion (19) for closing the rear end opening of the base rod (1) and a cylindrical male screw portion (20) insert-molded in the lid portion (19). It is configured. The butt plug (8) is adapted to be screwed to the female screw part (15) of the ring tube (4) as shown in FIG. (21) is a vent hole formed in the butt plug (8), and (2)
2) is a water passage groove formed on the contact surface with which the storage end of the middle rod (2) abuts. Of course, the water passage groove (22) may be formed on the accommodation end side of the middle rod (2), or may be a hole instead of the groove. The formation position of the water passage (22) must be a length that extends inside and outside the middle rod (2), and the water that has entered between the middle rod (2) and the main rod (1) is the bottom. Stopper (8)
Need to be able to drain to the side.

When the inner rods (2) and (3) are housed in the base rod (1) as shown in FIG. 1, the rear end of the outermost large diameter rod (2) is the ring tube (4). The elastic pressing member (6c) is guided to the inner peripheral side of the ring tube (4) along the rear end guide portion (14) and the outermost large diameter middle rod
A plurality of spots (4 in this embodiment are provided on the outer peripheral surface of (2), but of course the number is not limited to this, and may be 3 or 5 or more. Further, as shown in FIG. If the hole (5a) is a long hole and the contact portion is linear along the groove (18),
There may be two places. ) To contact and hold the outer circumference of the rear end of the outermost large diameter middle rod (2).

On the other hand, the annular protruding portion (11) protruding to the outer periphery of the rear portion of the outermost large-diameter middle rod (2) is a tip connecting portion (10) of the original rod (1).
The outermost large diameter middle rod (2) 2
It becomes a support by points, and even if the outermost large diameter middle rod (2) is used while being stored in the original rod (1), the outermost large diameter middle rod (2) does not wobble.

Here, the holding by the ring tube (4) of the rear end portion when the outermost large diameter middle rod (2) is housed in the above-mentioned base rod (1) will be explained in more detail. Guided to the inner circumference side of the ring cylinder (4) along the (14), the elastic pressing member (6) presses on the outer peripheral surface of the outermost large diameter middle rod (2) at multiple points or points. When they come into contact with each other, each elastic pressing member (6) can be independently deformed, and the outermost large-diameter middle rod (2) can be extremely smoothly
Can be inserted into the ring cylinder (4), and moreover, the outer circumference of the rear end of the outermost large diameter middle rod (2) can be firmly held. This is extremely important when working in a mountain stream, which is difficult to work on land.

The fishing rod (A) is constantly exposed to water and seawater during use, and water and seawater also enter the inside. Therefore, it is necessary to easily escape water or seawater that has entered the inside, and the outer peripheral surface of the rear end of the outermost large diameter middle rod (2) is held in a point or line shape by the elastic pressing member (6). Therefore, water or seawater that has entered between the base rod (1) and the outermost large diameter middle rod (2) passes through the gap (7) between the elastic pressing members (6), and then the middle rod (2 ) Storage end (2
between the a) and the contact surface of the storage end (2a) of the buttocks (8).
2) Or if a water passage (not shown) is formed, of course, through the water passage (22) or water passage, it flows toward the butt plug (8) side, and the butt plug (8) passes through. It flows out through the pores (21) without delay. In addition, if the water leakage is bad, if the buttocks (8) are loosened or removed, they can easily come out from the screwed parts (9) of the buttocks (8), and water or seawater may accumulate inside. Absent.

Further, as described above, the outermost large-diameter middle rod (2) is supported by both ends of the base rod (1). Even if the annular projection (11) of the outer large diameter middle rod (2) is tightly fitted, the rear end of the outermost large diameter middle rod (2) is in point or line contact as described above. In addition, air does not easily escape from the threaded portion (9) of the buttocks (8) to create a closed state, a closed closed space like the conventional example is not formed, and the outermost diameter is large even in a mountain stream. The middle pole (2) can be easily put in and taken out.

[0022]

Since the present invention has the above-mentioned structure,
Even in a mountain stream where it is difficult to perform heavy labor, it has the advantages that it is easy to attach and detach the outermost large-diameter middle rod to the base rod, it has excellent drainage, and there is no accumulation of water or seawater inside.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a fishing rod according to the present invention in which an intermediate rod is stored inside a base rod.

FIG. 2 is a cross-sectional view of the fishing rod according to the present invention when the middle rod is pulled out from the inside of the original rod.

FIG. 3 is a sectional view of a first embodiment of a ring cylinder used in the present invention.

FIG. 4 is an exploded perspective view of a first embodiment of a ring cylinder used in the present invention.

FIG. 5 is a sectional view of a second embodiment of the ring cylinder used in the present invention.

FIG. 6 is a cross-sectional view of a conventional fishing rod in which a middle rod is housed in the original rod.

[Explanation of symbols]

(A) ... fishing rod (1) ... Gen rod (2) ... Outermost outer diameter medium pole (3) ... Small diameter medium pole (4)… Ring tube (5) ... through hole (6) ... Elastic pressing member

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Flat 3-112258 (JP, U) Flat 4-106973 (JP, U) Flat 4-111357 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) A01K 87/00-87/06

Claims (2)

(57) [Claims] 1. A rod fixing structure in a fishing rod for fixing the <br/> rod in which is withdrawable housed within the base rod in the rear end of the base rod, fitted at the rear end inner periphery of the base rod And the elastic pressing member which is fitted into the through hole formed in the ring cylinder and press-contacts the rear end outer peripheral surface of the outermost large-diameter middle rod housed in the original rod in a point or line shape. And a bottom rod fixing structure for a fishing rod, characterized in that the fishing rod is attached to the bottom portion of the base rod and is provided with a vent plug having a vent hole. 2. A vent groove or a vent hole communicating with the inside and outside of the storage end of the middle rod is formed on the contact surface of the storage end of the middle rod or the abutment plug with which the storage end of the middle rod abuts. The middle rod fixing structure for a fishing rod according to claim 1.