JP2006288205A - Fishing rod - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fishing rod resistant to the breakage and damage of the screw of a butt plug attaching part and suppressing the fine splitting of reinforcing fibers in threading to improve the threading accuracy. <P>SOLUTION: A screw part 1a for attaching a butt plug to a rod material is formed at the butt end of the rod material formed by laminating a plurality of prepreg layers 5A containing reinforcing fibers (a) aligned in one direction. The aligning direction of the reinforcing fibers (a) at the threaded part of the prepreg 5A is set to be parallel to the lead direction of the screw part 1a. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a fishing rod provided with an attachment to be attached with a screw.

  As an attachment to be attached to the casing, there is a bottom plug by screwing and fixing to the end of the buttock of the marshal (see Patent Document 1). On the other hand, the casing to which the bottom plug is attached is formed by cutting a prepreg formed by impregnating a reinforcing fiber group aligned in one direction with a thermosetting resin into a predetermined shape, and using the cut main pattern or the like as a core metal. After winding and firing to form a cylindrical cocoon material, it is cut into a predetermined length and finished to form a casket (see Patent Document 2).

Japanese Utility Model Publication No. 03-112258 (FIGS. 1 and 2) Japanese Patent Laying-Open No. 2005-40103 (paragraph number [0009])

Attachments such as a buttocks plug are attached directly to the buttocks end by forming a threaded portion at the buttocks buttocks end of the casing. However, as described above, the casing has reinforcing fibers aligned in one direction, and the screw portion is formed directly at the butt end. Then, the direction in which the reinforcing fibers are aligned is set in a direction along the cocoon axis or in a direction along the circumferential direction of the cocoons, so that a thread formed with a predetermined lead angle cuts the reinforced fibers. There is.
For this reason, there are inconveniences such as breakage and breakage of the screw part, peeling of the resin part and the reinforcing fiber, and the like, leading to a decrease in strength.

  The object of the present invention is to provide a fishing rod that prevents the breakage and breakage of the threaded portion, the separation between the resin portion and the reinforcing fiber, and suppresses the backlash of the reinforcing fiber during the threading operation and can increase the threading accuracy. There is in point to do.

〔Constitution〕
The characteristic configuration of the invention according to claim 1 is to attach an attachment to be attached to the heel material to a heel end of the heel material formed by laminating a plurality of layers of prepregs having reinforcing fibers aligned in one direction. The thread portion is engraved, and the direction in which the reinforcing fibers are aligned in the thread engraving portion of the prepreg is set in a state along the lead direction of the screw portion. Street.

[Action]
The thread cutting operation is performed so that the screw part formed on the prepreg matches the lead angle of the screw part of the attached object. By setting the alignment direction of the reinforcing fibers so as to follow the lead angle of the screw part, The mountain portion of the part does not cut the reinforcing fiber.

〔effect〕
As a result, breakage and breakage of the threaded portion, separation of the resin portion and the reinforcing fiber, and the like were prevented, and the reinforcing fiber was not raised up during the threading operation, and the threading accuracy was improved.

  The characteristic configuration of the invention according to claim 2 is the invention according to claim 1, in order to attach the attachment with the threaded portion engraved on the outer peripheral surface, at least the alignment direction of the reinforcing fibers of the prepreg located on the innermost side, The operational effect is as follows in the point set along the lead direction of the screw portion.

[Function and effect]
In other words, since the mounting screw portion of the attachment is formed on the outer peripheral surface, the reinforced body of the prepreg positioned at least on the innermost periphery is set in a direction along the lead angle of the screw portion as the casing. In this way, it is possible to eliminate the reinforcing fibers that are cut by the threaded portion, and to significantly reduce the direction of the reinforcing fibers of the multi-layer prepreg including the innermost periphery that is affected by the threaded portion. It is necessary to set the direction along the lead angle, but the direction of the reinforcing fiber of the prepreg of the other layer is not affected by the screw part, so set the direction to ensure the necessary strength as the housing it can.

  According to a third aspect of the present invention, in the invention according to the first aspect, in order to attach an attachment having a threaded portion on the inner peripheral surface, at least the direction in which the reinforcing fibers of the prepreg located at the outermost position are aligned. The screw portion is set in a state along the lead direction, and the operation and effect thereof are as follows.

[Function and effect]
In other words, since the screw part for attaching the attachment is formed on the inner peripheral surface, as the casing, by setting the reinforcing fiber of the prepreg located at least on the outermost periphery in the direction along the lead angle of the screw part In this way, it is possible to eliminate the reinforcing fiber cut by the screw part, and to greatly reduce the thread. Thus, the direction of the reinforcing fiber of the multi-layered prepreg including the outermost periphery to which the influence of the screw part is exerted is the lead of the screw. Although it is necessary to set the direction along the corner, the direction of the reinforcing fiber of the prepreg of the other layer is not affected by the threaded portion, so the direction can be set so as to ensure the necessary strength as a casing. .

  According to a fourth aspect of the present invention, in the invention according to the first aspect, the screw portion is formed with a resin content of a portion of the bag material where the screw portion for attaching the above-described attachment is provided. It is in the point which is made smaller than the resin content of the other part which is not, The effect is as follows.

[Function and effect]
Since the direction of the reinforcing fiber in the screw engraved portion of the cocoon material is set along the lead angle of the screw portion, the resin content can be reduced. In other words, when the alignment direction of the reinforcing fibers is aligned with the circumferential direction as in the conventional case, in order to reduce the cutting of the reinforcing fibers at the threaded portion, a large alignment interval between the reinforcing fibers should be taken. is required. If it does so, the resin content of candy material itself will increase, and it will become heavy. On the other hand, as described above, if the reinforcing fibers are aligned with the lead angle of the screw portion, the resin is rarely cut even if the reinforcing fibers are arranged close to each other. The content can be reduced.
Thus, since resin content can be reduced, the weight reduction of a soot material can be achieved.

  According to a fifth aspect of the present invention, there is provided a fishing rod for a fishing rod according to any one of claims 1 to 4, and a rod-side screw portion formed at a butt end of the rod. In order to be worn, it is constituted by a bottom plug having a screw portion formed with the same lead angle as the screw portion, and its operation and effect are as follows.

[Function and effect]
The direction of the reinforcing fiber of the butt plug attachment part of the housing can be set to the direction along the screw part of the butt plug, so that the attachment of the butt plug can be performed for a long time without causing a decrease in strength of the attachment part of the butt plug It can be performed stably.

[First Embodiment]
As shown in FIG. 2, a fishing rod A is configured by screwing a bottom plug 3 as an attachment together with a seat rubber 2 for receiving a rod at the end of a rod end of a main rod 1 as a rod body.
A method for manufacturing the main frame 1 and the like will be described. As shown in FIG. 1, a plurality of layers of prepregs 5 are wound around a core metal 4 to form a saddle material. The prepreg 5 having a plurality of layers has a three-layer structure, and the prepreg 5C of the outer layer is formed by impregnating a thermosetting resin into a group of reinforcing fibers a that are aligned and arranged along the circumferential direction. . The intermediate layer prepreg 5B is formed by impregnating a thermosetting resin into a group of reinforcing fibers a arranged so as to be aligned along the axial direction of the ridges. The inner layer prepreg 5A is formed by impregnating a group of reinforcing fibers a arranged in the circumferential direction with a thermosetting resin. Carbon fiber or the like is used as the reinforcing fiber a, and epoxy or phenol resin is used as the thermosetting resin.

In the first embodiment, the auxiliary prepreg 6 is arranged further inside than the inner layer described above, and the auxiliary prepreg 6 constituting an auxiliary pattern having a length corresponding to the butt end portion that is less than the axial length of the casing. Is used.
As shown in FIG. 1, first, the auxiliary prepreg 6 is wound around the cored bar 4, and then the prepregs 5A, 5B, and 5C for the third layer are wound. Here, the direction in which the reinforcing fibers a of the auxiliary prepreg 6 are aligned is set to a direction corresponding to the lead angle of the screw portion 3A of the bottom plug 3.

That is, the lead angle θ of the screw formed on the bottom plug screw portion 1 a at the site where the auxiliary prepreg 6 is applied is formed to be equal to the lead angle θ of the outward screw portion 3 A of the bottom plug 3. Then, the alignment direction of the reinforcing fibers a of the auxiliary prepreg 6 is made to coincide with the lead angle θ of the bottom plug screw portion 1a.
With this configuration, the bottom plug screw 1a does not cut the reinforcing fiber a.
Therefore, it is not necessary to set the direction of the reinforcing fiber a in the inner layer 5A among the three layers of the prepregs 5A, 5B, and 5C in particular along the lead angle θ of the screw portion 3A of the butt plug 3, and the circumferential direction You may arrange | position in the state along.
The auxiliary prepreg 6 is desirably cut into a size that allows a plurality of plies to be wound to have a sufficient thickness in order to secure a sufficient screw height of the threaded portion.

[Second Embodiment]
As shown in FIG. 3, a plurality of layers of prepregs 5 are wound around a core metal 4 to form a saddle material. The prepreg 5 having a plurality of layers has a three-layer structure, and the prepreg 5C of the outer layer is formed by impregnating a thermosetting resin into a group of reinforcing fibers a that are aligned and arranged along the circumferential direction. . The intermediate layer prepreg 5B is formed by impregnating a thermosetting resin into a group of reinforcing fibers a arranged so as to be aligned along the axial direction of the ridges.

  The inner layer prepreg 5 </ b> A is formed by impregnating a thermosetting resin into a group of reinforcing fibers a arranged so as to be inclined in both the circumferential direction and the axial direction. Carbon fiber or the like is used as the reinforcing fiber a, and epoxy or phenol resin is used as the thermosetting resin.

On the inner peripheral surface of the inner layer prepreg 5A located on the inner side of the heel material, as shown in FIG. 2, a butt plug screw portion 1a for screwing the butt plug 3 is formed. The lead angle θ of the screw formed on the bottom plug screw portion 1 a is formed to be equal to the lead angle θ of the outward screw portion 3 A of the bottom plug 3. Then, the alignment direction of the reinforcing fibers a of the prepreg 5A is made to coincide with the lead angle θ of the bottom plug screw portion 5a.
Thus, the auxiliary prepreg 6 can be configured not to be required by forming the bottom plug screw portion 1a in the inner layer prepreg 5A.

[Third Embodiment]
In 1st Embodiment and 2nd Embodiment, the thread part 3A of the bottom plug 3 was formed in the outer peripheral surface, and the structure screwed together with the screw part 1a formed in the inner peripheral surface of the heel end of the heel 1 was shown. However, in this third embodiment, as shown in FIG. 5, the screw portion 3 </ b> A of the bottom plug 3 is formed on the inner peripheral surface, and is screwed into the screw portion 1 b formed on the outer peripheral surface of the butt end of the base rod 1. The configuration is as follows. In order to obtain such a configuration, the auxiliary prepreg 6 shown in the first embodiment is wound around three layers of prepregs 5A, 5B, and 5C as shown in FIG. Configure to wrap around the surface.

That is, the alignment direction of the reinforcing fibers a of the three layers of the prepregs 5A, 5B, and 5C is the circumferential direction in the inner layer 5A, the axial direction in the intermediate layer 5B, and the outer layer 5C in the same manner as in the second embodiment. It arrange | positions along the circumferential direction, and the alignment direction of the reinforcement fiber a of the auxiliary prepreg 6 is set to the direction along the lead angle θ of the screw portion 3A of the bottom plug 3.
The auxiliary prepreg 6 is desirably cut into a size that can be wound into a plurality of plies so as to have a sufficient thickness in order to secure a sufficient screw height of the screw portion.
Of course, as shown in the second embodiment, the auxiliary prepreg 6 is necessary by setting the aligning direction of the reinforcing fibers a to the direction along the lead angle θ of the screw portion 3A of the bottom plug 3 as shown in the second embodiment. It can be set as the structure which does not.

[Fourth Embodiment]
As described above, the main rod 1 to which the bottom plug 3 is attached has been described. However, the above-described configuration can also be applied to an intermediate rod having a bottom plug 8 such as an upper portion 7 as shown in FIG. That is, the screw portion 7a is engraved on the inner peripheral surface of the upper end of the upper end of the upper end 7 and the end plug 8 is screwed to the screw portion 7a via the screw portion 8A formed on the end plug 8. It is like that. The direction in which the reinforcing fibers a of the prepreg forming the inner layer on which the screw portion 7a is formed is set to a state along the lead angle θ of the screw portion 7a.

  Here, as described in the first embodiment, the prepreg to be the target of forming the screw portion 7a is arranged by placing the auxiliary prepreg 6 further inside the inner layer and engraving the screw portion 7a on the auxiliary prepreg. Alternatively, or as shown in the second embodiment, the direction in which the reinforcing fibers a of the prepreg 5A forming the inner layer are aligned is set along the lead angle θ of the screw portion 7a. It may be.

  As described above, the resin content in the portion where the screw portion 7a is engraved for attaching the bottom plug 8 is smaller than the resin content in other portions where the screw is not engraved. For example, the resin content can be 10-30% by weight. Thus, since resin content can be made small, the weight reduction as a soot can be achieved.

[Another embodiment]
(1) In the case of adopting a form in which a screw is directly engraved on the housing and the attachment is attached, the above form can be adopted. That is, as shown in FIG. 7, when the base 9 is attached to the tip of a collar such as an intermediate collar represented by the top 7 or the like, the threaded portion 7 b is engraved on the outer peripheral surface of the top of the top 7. The lead angle of the screw portion 7b is the same as the lead angle of the screw portion 9A of the base 9, and the reinforcing fiber direction of the prepreg that forms the mouth portion of the original 7 is the same direction as the lead angle.
(2) In addition, it is desirable to take the same direction of the reinforcing fiber a as that of the present embodiment to be attached to the housing. There is.

1 is a perspective view showing a state before each auxiliary prepreg is wound around a core bar, corresponding to the first embodiment in which the auxiliary prepreg is wound further inside than the inner layer. Longitudinal side view showing a state where a hip plug is attached to the marshal The perspective view which shows the state before winding each prepreg around a metal core corresponding to 2nd Embodiment which engraves the screw part for a butt plug in an inner layer A perspective view corresponding to the third embodiment in which the auxiliary prepreg is wound further outward than the outer layer, and showing a state before each prepreg is wound around the cored bar. Corresponding to the third embodiment, a longitudinal side view showing a state in which a bottom plug is attached to a marshal 4th Embodiment which shows the state which follows the lead angle of a screw part also with respect to an original butt plug attachment part, and shows the state which attached the butt plug to the upper buttock end part Figure A vertical side view showing a state in which the base is attached to the upper end of the collar, showing another embodiment in which the lead is attached to the original base mounting portion along the lead angle of the screw portion.

Explanation of symbols

3,8,9 Attachment 5 Prepreg 5A Inner layer prepreg 5B Middle layer prepreg 5C Outer layer prepreg 1a Thread part for bottom plug a Reinforcing fiber

Claims (5)

  A screw portion for attaching an attachment to be attached to the heel material is engraved on the heel end of the heel material formed by laminating a plurality of layers of prepreg having reinforcing fibers aligned in one direction, and the prepreg A fishing rod housing in which the direction in which the reinforcing fibers are aligned in the screw engraving portion is set in a state along the lead direction of the screw portion.   2. The fishing rod housing according to claim 1, wherein at least the innermost prepreg reinforcing fiber is aligned in the lead direction of the threaded portion in order to attach an attachment having a threaded portion engraved on the outer peripheral surface. A fishing rod body set in a state along the line.     The fishing rod housing according to claim 1, wherein at least an outermost prepreg reinforcing fiber is aligned in a direction of aligning the lead of the screw portion in order to attach an attachment with a screw portion engraved on the inner peripheral surface. A rod for fishing rods set in a state along the direction.   The resin content of the part which engraves the screw part for attaching the above-mentioned attachment in the said collar material is made smaller than the resin content of the other part which does not form the said screw part. A fishing rod housing according to any one of the above.   A fishing rod housing according to any one of claims 1 to 4, and a threaded portion similar to the threaded portion thereof to be screwed to a rod-side threaded portion formed at the butt end of the rod. A fishing rod composed of a bottom plug having a screw portion formed with a lead angle.

Images