TWI773314B - Fishing line guide and fishing rod equipped with the same - Google Patents

Abstract

An object of the present invention is to reliably increase the fixing force of the wire loop to the through hole of the thread guide body regardless of the molding error of the thread guide body made of FRP. The solution of the present invention is that a fishing line guide according to an embodiment of the present invention is attached to a fishing rod extending along a rod axis, and includes a guide body made of FRP extending along the center axis of the guide and forming a through-hole a hole; and a metal or ceramic lead ring, which is inserted into the through hole of the lead guide body, the lead ring has a crimping portion bulging radially outward by a size corresponding to the design value of the through hole, the lead ring The crimping portion is fixed so as to be press-fitted into the through hole.

Description

Fishing line guide and fishing rod equipped with the same

The present invention relates to a fishing line guide and a fishing rod provided with the fishing line guide.

As a fishing line guide for guiding a fishing line on a fishing rod, there is known a fishing line guide made of FRP (Fiber Reinforced Plastics) by inserting a metal or ceramic guide ring. Through-hole fishing line guide.

Such a fishing line guide is disclosed in, for example, Patent Document 1, but the fishing line guide described in Patent Document 1 includes a ring holding portion having a fitting hole into which a wire ring for conducting the fishing line is press-fitted and fitted therein. The center point of the arc diameter of the hole edge of the fitting hole of the holding part is the same, and the center line forms the long axis and forms an ellipse having two opposite concentric arc parts, and is formed in the aforementioned concentric arc parts. There are press-fit protrusions that protrude inward.

[Patent Document 1] Japanese Patent Application Laid-Open No. 2007-274931

On the other hand, high machining accuracy is required for the forming of the through hole of the wire loop and the wire guide body. Although the wire loop made of metal or ceramic can be processed from the raw material according to the design value, even if it is made of FRP The wire guide body is formed with a through hole according to the design value, and it is difficult to process the hole in the FRP, so in any case, an error (tolerance) will occur in the molding. According to the experience value of molding so far, in many cases, the through hole is about 20 μm to 200 μm larger than the design value. According to this, between the wire loop formed according to the design value, and the through hole with an individual difference from the design value. If there is a gap between them, there will be many problems of backlash.

The present invention was conceived in view of the above-mentioned circumstances, and an object thereof is to reliably increase the fixing force of the wire loop to the through hole even if a machining error occurs in the forming of the through hole of the FRP wire guide body. The objects other than these of this invention will become clear by referring the whole of this specification.

A fishing line guide according to the present invention, which is attached to a fishing rod extending along a rod axis, is characterized by comprising: a guide body made of FRP, in which a through hole is formed; and a guide ring made of metal or ceramic, into which In the through-hole, the wire loop has a crimping portion bulging radially outward by a magnitude of a design value of the through-hole, and the crimping portion is press-fitted and fixed to the through-hole.

Further, in the fishing line guide according to an embodiment of the present invention, the through hole is circular, oval, or rounded rectangle in plan view.

Further, in the fishing line guide according to an embodiment of the present invention, the crimping portion is disposed at at least one place in the circumferential direction of the wire loop, or at a left-right or up-down symmetrical position, radially The amount of bulge is in the range of 20 μm to 200 μm in total with respect to the size of the design value of the through hole.

Furthermore, in the fishing line guide according to an embodiment of the present invention, the length of the crimping portion is in a range of 4 mm to 30 mm.

Furthermore, in the fishing line thread guide according to an embodiment of the present invention, the crimping portion is formed at an end portion of the thread loop in the thickness direction of the thread guide body.

Further, in the fishing line guide according to an embodiment of the present invention, the end portion of the wire loop has a thickness in the range of 1 mm to 3 mm in the thickness direction of the thread guide body.

Furthermore, in the fishing line guide according to an embodiment of the present invention, the cross-sectional shape of the wire loop is curved.

Furthermore, the fishing rod according to the present invention is characterized by including at least one fishing line guide according to any one of the above.

According to the present invention, it is possible to provide a fishing line guide and a fishing rod equipped with the fishing line guide, in which there is a slight error (tolerance) from the design value in the drilling and forming of the through hole in the thread guide body made of FRP. ), the fixing force of the wire loop to the through hole of the wire guide body can also be reliably improved.

Hereinafter, embodiments of the fishing rod according to the present invention will be specifically described with reference to the accompanying drawings. In the plural drawings, the same reference numerals are attached to the common elements by the plural drawings. Please note that each drawing may not necessarily be recorded on the correct scale for ease of explanation.

FIG. 1 is a diagram showing an embodiment of a fishing rod according to the present invention. As shown in the figure, the fishing rod 1 according to one embodiment of the present invention is a telescopic fishing rod including a main rod 3, a plurality of middle rods 5 (three in the example of FIG. 1), and a front thin rod 7. When the fishing rod 1 is not in use, the middle rod 5 and the front thin rod 7 are accommodated in the hollow main rod 3 .

The main rod 3, the middle rod 5, and the front thin rod 7 can be formed using, for example, a prepreg sheet (​preg sheet) impregnated with a synthetic resin in carbon fiber. Furthermore, the main rod 3, the middle rod 5, and the front thin rod 7 each have a tapered shape that tapers in the rod direction. A plurality of fishing line guides 10 for guiding the fishing line fed from the reel R to the tip of the fishing rod 1 are arranged on the outer peripheral surfaces of the middle rod 5 and the front thin rod 7 .

In addition, the rod body 2 is constituted by, for example, connecting the main rod 3, the middle rod 5, the front thin rod 7, and the like, and these rod bodies are joined by, for example, a plug-in type. The main rod 3, the middle rod 5, and the front thin rod 7 can be joined by a reverse spigot method, a spigot method, or any well-known joining method other than these. The rod body 2 may be constituted by a single rod body.

Here, the main rod 3 , the middle rod 5 , and the front thin rod 7 are formed of, for example, a tubular body made of fiber-reinforced resin. The fiber-reinforced resin tubular body is rolled by a fiber-reinforced resin prepreg (prepreg) (prepreg) in which reinforcing fibers are impregnated with a matrix resin. The prepreg is wound around a cored bar, and the prepreg is heated and hardened. As the reinforcing fiber contained in the prepreg, for example, carbon fiber, glass fiber, and arbitrary well-known reinforcing fibers other than these can be used. As the matrix resin contained in the prepreg, thermosetting resins such as epoxy resins can be used. After the prepreg has hardened, the mandrel is de-cored. Also, the outer surface of the tubular body is suitably ground. Each rod body may be formed in a solid shape.

As shown in FIG. 1 , a plurality of fishing line guides 10 (the fishing line guides 10A to 10D, which are the fishing line guides 10A to 10D) are arranged on the main rod 3, the middle rod 5 and the front thin rod 7 for guiding the fishing line fed out from the reel R. As shown in FIG. However, in the illustrated example, they are all used as the fishing line guide 10). More specifically, the main rod 3 is provided with a fishing line guide 10A, the middle rod 5 is provided with a fishing line guide 10B, and the front thin rod 7 is provided with a fishing line guide 10C. Although a top guide 10D is arranged at the tip of the front thin rod 7, the details are omitted.

A fishing line guide according to an embodiment of the present invention will be described with reference to FIGS. 2 to 4 . 2 is a front view of the fishing line guide 10 in one embodiment, FIG. 3 is a front view of the wire loop 12, and FIG. 4 is a diagram showing the relationship between the design value of the through hole X and the bulging crimping portions 15A, 15B, FIG. 5 is a cross-sectional view of the wire loop 12 .

As shown in FIG. 2 , a fishing line guide 10 according to an embodiment of the present invention includes a guide body 11 made of FRP, and a metal or ceramic annular wire guide body 11 attached to the guide body 11 . Wire loop 12. The thread guide body 11 includes a leg portion 13 attached to any one of the rod body 3 , the rod body 5 , and the rod body 7 , and a plate-shaped ring holding portion 14 connected to the leg portion 13 . For convenience of explanation, the following description will be given by taking the case where the fishing line guide 10 is attached to the rod body 5 as an example.

Here, the foot portion 13 is, for example, an elongated plate-shaped or tongue-shaped member extending along the outer peripheral surface of the rod body 5 . The foot portion 13 may be wound around the rod body 5 by, for example, a winding wire formed of nylon fiber. Although FIG. 2 illustrates the single-foot type fishing line guide which is attached to the rod body with one foot, the thread guide to which the present invention can be applied is not limited to this single-foot type. For example, the present invention can also be applied to a double foot type wire loop. The bipedal fishing line guide has a set of feet respectively extending from the ring holding part to the front side and the rear side, and can be fixed to the rod body by the set of feet. Furthermore, the present invention can also be applied to any of a fixed-type fishing line guide and a movable-type fishing line guide. Movable fishing line guides are often referred to as swimming guides.

Also, as described above, the material of the thread guide body 11 may use carbon fiber reinforced resin, but the reinforced fiber is not limited to carbon fiber. Also, the material of the wire loop 12 is metal or ceramic (SiC, etc.). Here, as shown in FIG. 2 , the ring holding portion 14 is inclined upward from the rear of the rod body 5 toward the front direction. That is, when the wire loop 12 is attached to the rod body 5 , the loop holding portion 14 takes a posture in which it falls forward of the rod body 5 . In addition, the front-rear direction refers to the front-rear direction shown in FIG. 4 . The forward direction is a direction from the rod slightly toward the grip end along the rod axis A of the fishing rod 1 . In addition, the up-down direction also refers to the up-down direction shown in FIG. 4 similarly.

In the ring holding part 14 , a through hole X for fixing and holding the wire ring 12 is drilled, and the through hole X penetrates the ring holding part 14 along the central axis B of the through hole. The through-hole X has a shape of a rounded rectangle (track type) that is symmetrical in left-right and up-down symmetry in front view. The central axis B passes through the center of the through hole X and extends in the front-rear direction. In addition, although in this embodiment, the shape of the through hole X is a rounded rectangle, it may be a circle or an ellipse. In this case, the wire loop 12 fixed to the through hole X of this shape also has a substantially circular or substantially elliptical shape.

An annular wire ring 12 made of metal or ceramics is press-fitted into the through hole X drilled in the ring holding portion 14 . The central axis B of the through hole X is the same as the central axis of the wire loop 12 . The wire loop 12 is formed of metal (alloy or composite material thereof) or ceramic as described above. Metals or ceramics are raw materials for which machining accuracy is easily obtained, and can be formed approximately according to design values. The lead ring 12 may have a base material layer, an inner surface layer formed on the surface of the base material layer on the inner peripheral surface 12a side, and an outer surface layer formed on the outer peripheral surface side of the base material layer. The base material layer is composed of, for example, an alloy containing Co, Ni, Cr, Mo, Fe, and unavoidable impurities. The base material layer may contain Mn, Ti and/or Nb. The inner surface layer and the outer surface layer are composed of, for example, chromium carbide (CrC), titanium carbide (TiC), or vanadium carbide (VC). The inner surface layer and the outer surface layer can have a high hardness of about 1300Hv to 3000Hv in Vickers' hardness.

FIG. 3 shows the wire loop 12 as viewed from the front in the direction of the central axis B. As shown in FIG. As shown in the figure, the wire loop 12 has the shape of a rounded rectangle (track type) that is substantially similar to the through-hole X in the vertical direction of the paper when viewed from the front. The wire loop 12 is provided with a first curved portion 12A that is curved in a convex shape upward, a second curved portion 12B that is curved in a convex shape downward, and is connected to the first curved portion so as to correspond to the design value of the through hole X Between 12A and the second curved portion 12B, the design value of the through hole X is a first crimping portion 15A that bulges outwardly in the right direction into a convex shape; Section 15B. That is, the first curved portion 12A and the second curved portion 12B form concentric partial arcs that are similar to the design value of the through hole X, and the first crimp portion 15A and the second crimp portion 15B are formed by a ratio of The design value of the through-hole X is also formed to slightly bulge out of the radially outward partial arc (convex arc). The bulging shape of the crimping parts 15A and 15B shown in FIG. 3 is an example, and other various bulging shapes may be used.

According to the fishing line guide 10 according to an embodiment of the present invention, it is possible to provide a fishing line guide and a fishing rod equipped with the fishing line guide, even if the through hole formed by drilling the guide body 11 made of FRP can be provided. The size of X is formed to be different from the design value due to the error during hole forming (usually, the opening error is larger than the design value), and the fixing force of the wire loop 12 to the through hole X can be surely increased.

More specifically, the lead ring 12 has crimping portions 15A and 15B that are slightly larger than the design value of the through-hole X and bulge radially outward, symmetrically arranged in a part of the circumferential direction. The crimping portion 15A , 15B Even the open through hole X, which is slightly larger than the design value, can be press-fitted and fixed, and the wire loop can be securely fixed to the wire guide body (through hole) without backlash.

FIG. 4 is a diagram schematically showing the shape of the design value of the through hole X and the shape of the wire loop 12 . In the fishing line guide 10 according to an embodiment of the present invention, as shown in FIG. 4 , the first crimping portion 15A and the second crimping portion 15B protrude by only L1 with respect to the design value ① of the through hole, respectively. , L2 is radially outward, and the total value of L1 and L2 is preferably about 20 μm to 200 μm. (②＝①＋L1＋L2)

In addition, the wire ring bonding surface of the through hole X may be formed with irregularities, and after the wire ring 12 is press-fitted, an adhesive may be used to increase the bonding strength.

In the fishing line guide according to an embodiment of the present invention, although the circumferential lengths of the first crimping portion 15A and the second crimping portion 15B also depend on the size of the wire loop, they are in the range of about 4 mm to 30 mm. better.

FIG. 5 is a cross-sectional view taken along the A-A direction of the wire loop 12 shown in FIG. 3 . As shown in the figure, the wire loop 12 has a loop inner peripheral surface 12a extending along the circumferential direction thereof, and a loop outer peripheral surface 12b extending substantially parallel to the loop inner peripheral surface 12a. The ring inner peripheral surface 12a and the ring outer peripheral surface 12b are connected by a rear end surface (end portion) 12c and a front end surface (end portion) 12d.

As shown in FIG. 5 , the ring inner peripheral surface 12a of the wire ring 12 is formed by being curved in a convex shape toward the radially inner side. Further, the wire loop 12 has a rear edge portion 12 e that protrudes to the rear side from the rear face of the loop holding portion 14 . The rear edge portion 12e is formed so as to be connected to the rear surface of the ring holding portion in a region of at least a part of the wire loop 12 in the circumferential direction. Accordingly, the wire loop 12 can be held by the loop holding portion 14 more stably. In addition, when the fishing rod 1 is used, the fishing line L is passed through the wire loop 12 . The wire loop 12 comes into contact with the fishing line L in the vicinity of the top of the loop inner peripheral surface 12a when the fishing line L is wound.

In the fishing line guide 10 according to an embodiment of the present invention, the first crimping portion 15A and the second crimping portion 15B are formed by the end surface (end portion of the wire loop 12 in the thickness direction of the thread guide body 11 ) ), that is, the above-mentioned front-side end surface (end portion) 12d is press-fitted and fixed to the thread guide body 11 .

In this way, the wire loop 12 is press-fitted into the wire guide body 11 by the end face (end portion) 12d on the front side, so that it is possible to hold and fix it firmly.

In the fishing line guide according to the embodiment of the present invention, the front end 12d of the wire loop 12 preferably has a thickness in the range of 1 mm to 3 mm in the thickness direction of the guide body 11 .

Since the end portion 12d on the front side of the wire loop 12 has a thickness in the above-mentioned range, it becomes easy to deform and press-fit the through-hole X.

In the above-described embodiment, the first crimping portion 15A and the second crimping portion 15B are formed to bulge substantially symmetrically at positions to be the left and right sides of the wire loop 12 in the circumferential direction, but they may be formed to bulge on the wire The ring 12 may be arranged at two places on the upper and lower sides of the ring 12, or at four places on the left and right and at the upper and lower sides. In addition, even if the crimping portion is formed only in a part (one place) in the circumferential direction of the wire loop 12 , there is a certain degree of crimping effect, and therefore, it is not necessarily necessary to be arranged symmetrically in the left and right directions or up and down.

In addition, the shape of the through hole X may be circular or elliptical as described above. In this case, the bulge amount of the crimping portion and its arrangement position can be arbitrarily determined within a range that can absorb the molding error (molding error based on empirical assumptions) in the design value of the through-hole X.

The fishing rod 1 according to an embodiment of the present invention is configured to include at least one fishing line guide 10 described above (in the example of FIG. 1 , eleven fishing line guides 10 are formed on the fishing rod 1 ) .

The size, material, and arrangement of each element described in this specification are not limited to those explicitly described in the embodiments, and each element can have any size, material, and arrangement that can be included in the scope of the present invention. way deformed. Furthermore, elements that are not explicitly described in this specification may be added to the described embodiments, or part of the elements described in the respective embodiments may be omitted.

1: fishing rod 3: main pole 5: middle pole 7: Front thin rod 10: Fishing line guide 11: Thread guide body 12: wire loop 12a: inner peripheral surface of the ring 12b: The outer peripheral surface of the ring 12c: End face (end) of rear side 12d: End face (end) on the front side 12e: trailing edge 12A: The first bending part 12B: Second bending part 13: Foot 14: Ring holding part 15A: The first crimping part 15B: Second crimping part B: Center axis R: reel X: Through hole

FIG. 1 is a diagram showing a fishing rod according to an embodiment of the present invention. Fig. 2 is a front view showing a fishing line guide according to an embodiment of the present invention. Fig. 3 is a front view showing a wire loop according to an embodiment of the present invention. FIG. 4 is a diagram showing the relationship between the design value of the through hole and the bulged crimping portion. Fig. 5 is an A-A sectional view of a wire loop according to an embodiment of the present invention.

12: wire loop

12a: inner peripheral surface of the ring

12b: The outer peripheral surface of the ring

12c: End face (end) of rear side

12d: End face (end) on the front side

12e: trailing edge

12A: The first bending part

12B: Second bending part

15A: First crimping part

15B: Second crimping part

B: Center axis

Claims (8)

A fishing line guide, mounted on a fishing rod extending along the rod axis, is characterized by comprising: A wire guide body made of FRP, formed with a through hole; and A wire ring made of metal or ceramic is inserted into the through hole, The lead ring has a crimping portion bulging radially outward by a design value of the through hole, and the crimping portion is press-fitted and fixed to the through hole. The fishing line guide of claim 1, wherein the through hole is circular or oval or rectangular with rounded corners in a plan view. The fishing line guide according to claim 1 or claim 2, wherein the crimping portion is disposed at at least one place in the circumferential direction of the wire loop, or at a symmetrical position left and right or up and down, and the amount of bulge outward in the radial direction The size of the design value of the through hole is in the range of 20 μm to 200 μm in total. The fishing line guide of claim 1 or claim 2, wherein the length of the crimping portion is in the range of 4 mm to 30 mm. The fishing line guide according to claim 1 or claim 2, wherein the crimping portion is formed at the end of the wire loop in the thickness direction of the guide body. The fishing line guide of claim 5, wherein the end of the wire loop has a thickness in the range of 1 mm to 3 mm in the thickness direction of the guide body. The fishing line guide of claim 1 or claim 2, wherein the wire loop has a curved cross-sectional shape. A fishing rod is provided with at least one fishing line guide according to any one of claim 1 to claim 7.

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