JP4007563B2 - Connecting structure of frame - Google Patents

Connecting structure of frame Download PDF

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Publication number
JP4007563B2
JP4007563B2 JP25558397A JP25558397A JP4007563B2 JP 4007563 B2 JP4007563 B2 JP 4007563B2 JP 25558397 A JP25558397 A JP 25558397A JP 25558397 A JP25558397 A JP 25558397A JP 4007563 B2 JP4007563 B2 JP 4007563B2
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JP
Japan
Prior art keywords
taper
fitting male
housing
fitting
male part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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JP25558397A
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Japanese (ja)
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JPH1189483A (en
Inventor
康治 森脇
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Shimano Inc
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Shimano Inc
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Filing date
Publication date
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Priority to JP25558397A priority Critical patent/JP4007563B2/en
Publication of JPH1189483A publication Critical patent/JPH1189483A/en
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Description

【0001】
【発明の属する技術分野】
本発明は、並継形式で連結された釣竿の竿体の連結構造に関する。
【0002】
【従来の技術】
従来の並継形式の釣竿(以下、「並継ぎ竿」という)は、穂先側先端に嵌合雌部を有する第1竿体と、竿元側端部に嵌合雄部を有し第1竿体の穂先側に連結される第2竿体とを有している。この並継ぎ竿では、第1竿体の嵌合雌部に第2竿体の嵌合雄部を挿入し、嵌合して1本の釣竿として用いる。
【0003】
一方、前記並継ぎ竿の他に、穂先側先端に嵌合雄部を有する第1竿体と、竿元側端部に嵌合雌部を有し第1竿体の穂先側に連結される第2竿体とを有する釣竿もある(以下、「逆並継ぎ竿」という)。この逆並継ぎ竿は、前記並継ぎ竿とは逆に、第1竿体の嵌合雄部を第2竿体の嵌合雌部に挿入し、1本の釣竿として用いる。
【0004】
【発明が解決しようとする課題】
逆並継ぎ竿は、竿体同士を連結する嵌合部分を他の部分と連続的になだらかに形成でき、竿体の剛性を損なうことがなく操作性が向上するので、近年多く用いられるようになってきている。
この逆並継ぎ竿においては、嵌合部分のテーパーを他の部分のテーパーと変化させているが、以下のような問題点がある。
【0005】
竿元側の第1竿体の嵌合雄部のテーパーを他の部分に比べてきつく(大きく)形成すると、第2竿体と嵌合しやすくなるが、キャスティングをおこなう場合などにおいて穂先側に向かって力がかかった場合に、第2竿体が抜けやすくなってしまう。一方、竿元側の第1竿体の嵌合雄部のテーパーを他の部分に比べて無造作に緩やかに(小さく)形成すると、第2竿体を嵌合固定しにくく、また、取外しにくくなる場合がある。
【0006】
さらに、嵌合雄部と他の部分とのテーパーの差が大きくなりすぎると、嵌合雄部と他の部分との境界付近の竿体の肉厚が薄くなり、大きな力が加わった場合に割れが生じやすくなる。
本発明の課題は、剛性の変化が少なく操作性がよく、付け外しが容易な竿体の連結構造を提供することにある。
【0007】
また、本発明の別の課題は、割れが生じにくい竿体の連結構造を提供することにある。
【0008】
【課題を解決するための手段】
本発明者は、嵌合雄部のテーパーを所定の角度にすると、剛性の変化をなだらかにしたまま、嵌合雄部の取り外しを容易にできることを見いだした。さらに、竿体を製造する際において、他の部分のテーパーに対して嵌合雄部のテーパーを無造作に緩やかにすると割れが生じやすいのは、釣竿の製造時に生じる隙間が原因であることを見いだした。つまり、所定のテーパーを施したマンドレルにシート状のプリプレグを巻回する際に、嵌合雄部のテーパーを他の部分に比べて極端に緩やかにすると、嵌合雄部と他の部分との境界のテーパーが変化する部分において、マンドレルとプリプレグとの間に隙間が生じてしまうのである。そして、この隙間はプリプレグ層の密度の低下を招き、この部分の焼成後の肉厚を薄くしてしまうのである。
【0009】
本発明は上記知見に基づくものであって、発明1にかかる竿体の連結構造は、 複数の竿体が並継形式で連結された竿体の連結構造であって、穂先側ほど小径に形成された筒状部材であり、穂先側端部に嵌合雄部を有し、前記嵌合雄部のテーパーは5/1000から2/1000であり、前記嵌合雄部に連続する隣接テーパー部のテーパーが前記嵌合雄部のテーパーのより大きく、且つ2倍以下である第1竿体と、穂先側ほど小径に形成された筒状部材であり、竿元側端部に前記嵌合雄部と嵌合固定可能な他の部分より内径が大きくなるように段差を形成した嵌合雌部を有する第2竿体とを備えている。
【0010】
この場合には、第1竿体の嵌合雄部のテーパーを5/1000から2/1000としたので、剛性の変化をなだらかにしたまま、嵌合雄部の取り外しを容易にできる。
【0011】
また、嵌合雄部のテーパーは5/1000から2/1000であり、使用時に割れが生じるのを十分に抑えられる。さらに、第1竿体の嵌合雄部に連続する隣接テーパー部のテーパーは嵌合雄部のテーパーのより大きく、且つ2倍以下となっているので、釣竿の製造時に嵌合雄部と隣接する部分との境界のテーパーが変化する付近において、マンドレルとプリプレグとの隙間が大きく生じることを抑えられる。この結果、製造後の肉厚が著しく薄くなるのを防ぎ、使用時に割れが生じるのを防止できる。
【0012】
【実施の形態】
[第1実施形態]
以下、本発明の第1実施形態について、図面を参照しつつ説明する。
本発明の第1実施形態を採用した釣竿10は、第1竿体1と第1竿体1の穂先側に並継形式に連結された第2竿体2と、第2竿体2の穂先側先端に並継ぎ形式に連結された第3竿体3とを有している。第1竿体1〜第3竿体3は、それぞれ炭素繊維に強化樹脂を含浸させたプリプレグをマンドレルに巻回し焼成して得られた先細り筒状部材である。
【0013】
第1竿体1は竿元側端部に配置された竿元グリップ4と、竿元グリップ4の穂先側に配置された前グリップ6と、竿元グリップ4と前グリップ6との間に設けられリール7を装着可能なリールシート5とを有している。また、第1竿体1〜第3竿体3の外周面には、複数のガイドリング8が設けられている。
図2に示すように、第1竿体1は、穂先側に向かって小径になるようにテーパーをつけて形成された筒状部材であって、穂先側端部に嵌合雄部1aを有している。この嵌合雄部1aのテーパーは2/1000になるように形成されており、第1竿体1の嵌合雄部1aに連続する隣接テーパー部1bのテーパーは4/1000となっている。
【0014】
一方、第2竿体2も穂先側に向かって小径になるように形成された筒状部材である。そして、竿元側端部に他の部分より内径が大きくなるように形成された嵌合雌部2aを有している。なお、第2竿体2の穂先側端部にも、第1竿体1と同様の嵌合雄部(図示せず)が形成されている。
この第1竿体1は、以下のようにして製造する。
【0015】
まず、嵌合雄部1aと嵌合雄部1aに連続する隣接テーパー部1bとを形成するために所定のテーパーを施したマンドレルに所定の離型剤を塗布する。このマンドレルに離型用テープを巻回し、その外周に強化繊維からなるシート状のプリプレグを複数枚巻回する。そして、保護用テープをプリプレグの外周面に巻回して竿素材を得て、この竿素材を焼成する。その後、離型用テープ,保護テープを剥離して第1竿体1を製造する。なお、第2竿体2及び第3竿体3も同様に製造する。
【0016】
このように形成された釣竿では、第1竿体1の嵌合雄部1aを第2竿体2の嵌合雌部2aに嵌合固定し、同様に第2竿体2の穂先側に第3竿体3を嵌合固定し一本の釣竿として使用する。ここで、嵌合雄部1aのテーパーを2/1000としているので、剛性の変化をなだらかにしつつ、第1竿体1と第2竿体2との付け外しが容易になる。
【0017】
さらに、第1竿体1の嵌合雄部1aに連続する隣接テーパー部のテーパーを4/1000としているので、嵌合雄部1aと第1竿体1の嵌合雄部1aに連続する隣接テーパー部とのテーパーの変化が十分になだらかになり、釣竿の製造時に嵌合雄部1aと他の部分との境界のテーパーが変化する付近において、マンドレルとプリプレグとの間に隙間が生じるのを抑える。
【0018】
なお、嵌合雄部1aのテーパーを5/1000以下とすれば、第1竿体1と第2竿体2との付け外しは十分に容易になる。また、嵌合雄部1aのテーパーを3/1000以下とし、第1竿体1の嵌合雄部1aに連続する隣接テーパー部のテーパーを嵌合雄部1aのテーパーの2倍以下とすれば、第1竿体1における嵌合雄部1aと隣接テーパー部とのテーパーの変化を極めてなだらかにでき、割れを有効に防止できる。
【0019】
[第2実施形態]
以下、本発明の第2実施形態について、図面を参照しつつ説明する。
本発明の第2実施形態を採用した釣竿の第1竿体1は、穂先側に向かって小径になるようにテーパーをつけて形成された筒状部材であって、穂先側端部に嵌合雄部1aが形成されている。また、第1竿体1の嵌合雄部1a以外の他の部分には、2段にわたって異なるテーパーがつけられており、嵌合雄部に隣接する第1テーパー部1cと、第1テーパー部1cに隣接する第2テーパー部1dとが形成されている。この嵌合雄部1aのテーパーは3/1000になるように形成されており、第1テーパー部1cのテ−パーは4/1000,第2テーパー部1dのテーパーは5/1000となるように形成されている。
【0020】
なお、その他の構成は第1実施形態と同様であり、説明を省略する。
このように構成された釣竿では、第1実施形態と同様の作用効果を得ることができる。また、嵌合雄部1aのテーパーは嵌合雄部1aと連続して隣接する第1テーパー部1cのテーパーに比べてゆるく形成されており、第1テーパー部1cのテーパーが嵌合雄部1aのテーパーの2倍以下となっているので、使用時に割れが生じるのを有効に抑える。
【0021】
[他の実施形態]
(a)竿体の数は任意の数とすることができ、それぞれの竿体に嵌合雄部,嵌合雌部を設けられる。
(b)竿体には任意の段数のテーパーを設けることができる。ここで、嵌合雄部に連続する隣接テーパー部以外の部分には、テーパーをつけなくてもよい。
【0022】
【発明の効果】
本発明にかかる竿体の連結構造によれば、竿体の連結部分の嵌合雄部のテーパーが他の部分のテーパーに比べてゆるく所定の値以下になっており、他の部分のテーパも所定の値以下となっているので、剛性の変化をなだらかにしつつ、割れが生じるのを防止できる。
【図面の簡単な説明】
【図1】本発明の第1実施形態を採用した釣竿の全体図。
【図2】 図1の第1竿体1と第2竿体2との連結部分の拡大断面図。
【図3】本発明の第2実施形態を採用した釣竿の第1竿体1と第2竿体2との連結部分の拡大断面図。
【符号の説明】
1 第1竿体
1a 嵌合雄部
1b 隣接テーパー部
1c 第1テーパー部
1d 第2テーパー部
2 第2竿体
2a 嵌合雌部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connecting structure for fishing rod bodies connected in a cascade manner.
[0002]
[Prior art]
A conventional row-type fishing rod (hereinafter referred to as “parallel row rod”) has a first rod body having a fitting female portion at the tip end of the tip and a fitting male portion at the rod side end portion. A second housing connected to the tip side of the housing. In this spliced rod, the fitting male portion of the second rod is inserted into the fitting female portion of the first rod, and is fitted to be used as one fishing rod.
[0003]
On the other hand, in addition to the parallel joint rod, a first housing having a fitting male part at the tip end of the tip and a fitting female part at the tip end of the tip are connected to the tip side of the first housing. There is also a fishing rod having a second rod (hereinafter referred to as “reverse parallel rod”). In contrast to the parallel splicing rod, this reverse juxtaposed rod is used as a single fishing rod by inserting the fitting male portion of the first housing into the fitting female portion of the second housing.
[0004]
[Problems to be solved by the invention]
The reverse side-jointed rods can be formed in a continuous and smooth manner with other parts that connect the rods together, and the operability is improved without losing the rigidity of the rods. It has become to.
In this reverse parallel splicing rod, the taper of the fitting portion is changed from the taper of the other portion, but there are the following problems.
[0005]
When the taper of the fitting male part of the first housing on the heel side is made tighter (larger) than the other parts, it will be easier to fit the second housing, but it will be closer to the tip side when casting etc. When force is applied in the direction, the second housing is easily removed. On the other hand, if the taper of the fitting male part of the first casing on the base side is formed loosely and gently (smaller) than the other parts, the second casing is difficult to fit and fix and difficult to remove. There is a case.
[0006]
Furthermore, if the taper difference between the mating male part and the other part becomes too large, the thickness of the housing near the boundary between the mating male part and the other part will become thin, and a large force will be applied. Cracks are likely to occur.
SUMMARY OF THE INVENTION An object of the present invention is to provide a connecting structure for a housing that has a small change in rigidity, good operability, and can be easily attached and detached.
[0007]
Moreover, another subject of this invention is providing the connection structure of the housing which a crack does not produce easily.
[0008]
[Means for Solving the Problems]
The present inventor has found that when the taper of the fitting male part is set to a predetermined angle, the fitting male part can be easily removed while the change in rigidity is made smooth. Furthermore, when manufacturing the rod body, it was found that cracks are likely to occur if the taper of the fitting male part is loosened gently relative to the taper of the other part due to the gap generated during the production of the fishing rod. It was. That is, when winding a sheet-shaped prepreg around a mandrel with a predetermined taper, if the taper of the fitting male part is made extremely gentle compared to other parts, the fitting male part and the other part A gap is generated between the mandrel and the prepreg at the portion where the taper of the boundary changes. This gap causes a decrease in the density of the prepreg layer, and the thickness of this portion after firing is reduced.
[0009]
This invention is based on the said knowledge, Comprising: The connection structure of the housing concerning invention 1 is a connection structure of the housing in which the several housings were connected by the serial connection form, Comprising: It forms in a small diameter as the tip side. A cylindrical member having a fitting male part at a tip side end part, the taper of the fitting male part being 5/1000 to 2/1000, and an adjacent taper part continuous to the fitting male part A first casing having a taper of 2 mm or less larger than the taper of the fitting male part , and a cylindrical member formed with a smaller diameter toward the tip side, and the fitting male part at the base side end part. And a second housing having a fitting female part in which a step is formed so that the inner diameter is larger than the other part that can be fitted and fixed.
[0010]
In this case, since the taper of the fitting male part of the first housing is changed from 5/1000 to 2/1000, the fitting male part can be easily removed while the change in rigidity is made gentle.
[0011]
Moreover, the taper of the fitting male part is 5/1000 to 2/1000, and it is possible to sufficiently suppress the occurrence of cracks during use. Further, the taper of the adjacent taper portion that is continuous with the fitting male portion of the first housing is larger than the taper of the fitting male portion and less than twice, so that it is adjacent to the fitting male portion when the fishing rod is manufactured. The gap between the mandrel and the prepreg is prevented from being largely generated in the vicinity where the taper at the boundary with the portion to be changed changes. As a result, it is possible to prevent the thickness after manufacture from being remarkably reduced and to prevent cracking during use.
[0012]
[Embodiment]
[First Embodiment]
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
A fishing rod 10 employing the first embodiment of the present invention includes a first rod 1, a second rod 2 connected to the tip of the first rod 1 in a side-by-side manner, and a tip of the second rod 2. It has the 3rd housing 3 connected to the side front-end | tip in the splicing type. The first to third casings 3 are tapered cylindrical members obtained by winding and firing a prepreg obtained by impregnating carbon fiber with a reinforced resin around a mandrel.
[0013]
The first housing 1 is provided between the heel grip 4 disposed at the heel end, the front grip 6 disposed on the tip side of the heel grip 4, and the heel grip 4 and the front grip 6. And a reel sheet 5 on which a reel 7 can be mounted. A plurality of guide rings 8 are provided on the outer peripheral surfaces of the first to third casings 3.
As shown in FIG. 2, the first casing 1 is a cylindrical member formed with a taper so as to have a smaller diameter toward the tip side, and has a fitting male portion 1a at the end portion on the tip side. is doing. The taper of the fitting male part 1a is formed to be 2/1000, and the taper of the adjacent taper part 1b continuous to the fitting male part 1a of the first housing 1 is 4/1000.
[0014]
On the other hand, the 2nd housing 2 is also a cylindrical member formed so that it may become a small diameter toward the tip side. And it has the fitting female part 2a formed so that an internal diameter might become larger than the other part at the base side edge part. A fitting male part (not shown) similar to that of the first casing 1 is also formed at the tip side end of the second casing 2.
The first casing 1 is manufactured as follows.
[0015]
First, a predetermined release agent is applied to a mandrel having a predetermined taper to form the fitting male part 1a and the adjacent tapered part 1b continuous to the fitting male part 1a. A release tape is wound around the mandrel, and a plurality of sheet-like prepregs made of reinforcing fibers are wound around the mandrel. Then, a protective tape is wound around the outer peripheral surface of the prepreg to obtain a soot material, and this soot material is fired. Thereafter, the first casing 1 is manufactured by peeling the release tape and the protective tape. In addition, the 2nd housing 2 and the 3rd housing 3 are manufactured similarly.
[0016]
In the fishing rod thus formed, the fitting male portion 1a of the first rod body 1 is fitted and fixed to the fitting female portion 2a of the second rod body 2, and similarly, the first rod body 1a on the tip side of the second rod body 2 is fixed. The three rods 3 are fitted and fixed and used as a single fishing rod. Here, since the taper of the fitting male part 1a is 2/1000, the first casing 1 and the second casing 2 can be easily attached and detached while the change in rigidity is made smooth.
[0017]
Furthermore, since the taper of the adjacent taper part which continues to the fitting male part 1a of the first housing 1 is set to 4/1000, the fitting male part 1a and the adjacent male part 1a of the first housing 1 are adjacent to each other. The change of the taper with the taper part becomes sufficiently smooth, and there is a gap between the mandrel and the prepreg in the vicinity where the taper of the boundary between the fitting male part 1a and the other part changes during the manufacture of the fishing rod. suppress.
[0018]
In addition, if the taper of the fitting male part 1a is 5/1000 or less, the first housing 1 and the second housing 2 can be easily attached and detached. Moreover, if the taper of the fitting male part 1a shall be 3/1000 or less, and the taper of the adjacent taper part which continues to the fitting male part 1a of the 1st housing 1 shall be 2 times or less of the taper of the fitting male part 1a. The change in the taper between the fitting male part 1a and the adjacent taper part in the first housing 1 can be made extremely smooth, and cracking can be effectively prevented.
[0019]
[Second Embodiment]
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings.
The first rod body 1 of the fishing rod adopting the second embodiment of the present invention is a tubular member formed with a taper so that the diameter decreases toward the tip side, and is fitted to the end portion on the tip side. A male part 1a is formed. Further, the other portions of the first casing 1 other than the fitting male portion 1a are tapered differently over two stages, and a first tapered portion 1c adjacent to the fitting male portion, and a first tapered portion. A second taper portion 1d adjacent to 1c is formed. The fitting male part 1a has a taper of 3/1000, the taper of the first taper part 1c is 4/1000, and the taper of the second taper part 1d is 5/1000. Is formed.
[0020]
Other configurations are the same as those in the first embodiment, and a description thereof will be omitted.
With the fishing rod configured as described above, it is possible to obtain the same effects as those of the first embodiment. Moreover, the taper of the fitting male part 1a is formed looser than the taper of the first taper part 1c adjacent to the fitting male part 1a, and the taper of the first taper part 1c is the fitting male part 1a. Since the taper is less than twice the taper, cracks during use are effectively suppressed.
[0021]
[Other Embodiments]
(A) The number of housings can be an arbitrary number, and each housing is provided with a fitting male part and a fitting female part.
(B) The casing can be provided with an arbitrary number of tapers. Here, it is not necessary to taper a portion other than the adjacent tapered portion that continues to the fitting male portion.
[0022]
【The invention's effect】
According to the connecting structure of the casings according to the present invention, the taper of the fitting male part of the connecting part of the casing is loosely smaller than the taper of the other parts, and the taper of the other parts is also less than the predetermined value. Since it becomes below a predetermined value, it can prevent that a crack arises, making a change of rigidity gentle.
[Brief description of the drawings]
FIG. 1 is an overall view of a fishing rod adopting a first embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view of a connecting portion between the first housing 1 and the second housing 2 of FIG.
FIG. 3 is an enlarged cross-sectional view of a connecting portion between a first rod body 1 and a second rod body 2 of a fishing rod adopting a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st housing 1a fitting male part 1b adjacent taper part 1c 1st taper part 1d 2nd taper part 2 2nd housing 2a fitting female part

Claims (1)

複数の竿体が並継形式で連結された竿体の連結構造であって、
穂先側ほど小径に形成された筒状部材であり、穂先側端部に嵌合雄部を有し、前記嵌合雄部のテーパーは5/1000から2/1000であり、前記嵌合雄部に連続する隣接テーパー部のテーパーが前記嵌合雄部のテーパーより大きく、且つ2倍以下である第1竿体と、
穂先側ほど小径に形成された筒状部材であり、竿元側端部に前記嵌合雄部と嵌合固定可能な他の部分より内径が大きくなるように段差を形成した嵌合雌部を有する第2竿体と、
を備えた竿体の連結構造。
It is a connecting structure of a casing in which a plurality of casings are connected in a series,
It is a cylindrical member formed with a smaller diameter toward the tip side, has a fitting male part at the end part of the tip side, and the taper of the fitting male part is 5/1000 to 2/1000, and the fitting male part A first casing having a taper of an adjacent taper portion continuous to the fitting male portion and greater than or equal to twice the taper of the fitting male portion;
It is a cylindrical member formed with a smaller diameter toward the tip side, and a fitting female part formed with a step so that the inner diameter is larger than the other part that can be fitted and fixed to the fitting male part at the base side end. A second housing having,
Connecting structure of the housing with
JP25558397A 1997-09-19 1997-09-19 Connecting structure of frame Expired - Fee Related JP4007563B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25558397A JP4007563B2 (en) 1997-09-19 1997-09-19 Connecting structure of frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25558397A JP4007563B2 (en) 1997-09-19 1997-09-19 Connecting structure of frame

Publications (2)

Publication Number Publication Date
JPH1189483A JPH1189483A (en) 1999-04-06
JP4007563B2 true JP4007563B2 (en) 2007-11-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP25558397A Expired - Fee Related JP4007563B2 (en) 1997-09-19 1997-09-19 Connecting structure of frame

Country Status (1)

Country Link
JP (1) JP4007563B2 (en)

Also Published As

Publication number Publication date
JPH1189483A (en) 1999-04-06

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