Fishing line guide, fishing rod provided with the same

Abstract

This invention provides a fishing line guide and a fishing rod equipped with the fishing line guide, which not only ensures rigidity and strength of the guide as a whole while achieving lightweight, but also reduces line twisting and tangling during actual fishing. One embodiment of the fishing line guide involves a fishing line guide portion having a through hole for guiding the fishing line, a fishing rod fixing portion fixed to the fishing rod, and a connecting portion connecting the fishing line guide portion and the fishing rod fixing portion, wherein the fishing line guide is integrally formed of ceramic material.

Description

Technical Field

[0001] Cross-referencing

[0002] This application claims priority based on Japanese Patent Application 2021-057583 (filed on March 30, 2021), the contents of which are incorporated herein by reference in their entirety.

[0003] This invention relates to a fishing line guide and a fishing rod having the fishing line guide. Background Technology

[0004] Various line guides have long been known to be installed on fishing rods and used to guide the fishing line. Such line guides are configured to have a frame installed on the outer periphery of the fishing rod or a frame at the end into which the rod body is inserted, and a guide ring fixed to the frame for the fishing line to pass through.

[0005] As such a fishing line guide, Patent Document 1 discloses a fishing line guide in which a ring retaining part and a fixing part are integrally formed on a frame made of metal, wherein the ring retaining part is used to retain the guide ring through which the fishing line is inserted, and the fixing part is used to be mounted on the outer surface of the fishing rod.

[0006] In addition, Patent Document 2 discloses a fishing line guide installed on the outside of a rod body, which has a guide ring for guiding the fishing line and a metal guide frame for holding the guide ring. The guide frame has a mounting part for mounting on the rod body and a frame main body that is erected from the mounting part and has a ring mounting hole for mounting the guide ring. The guide frame is integrally formed by forging, and a thick wall part with a wall thickness greater than that of the mounting part is provided at the boundary between the frame main body and the mounting part.

[0007] Existing technical documents

[0008] Patent documents

[0009] Patent Document 1: Japanese Patent Application Publication No. 2006-340661

[0010] Patent Document 2: Japanese Patent Application Publication No. 2016-119887 Summary of the Invention

[0011] The problem that the invention aims to solve

[0012] However, in the fishing line guide disclosed in Patent Document 1, it is composed of a ring portion and a metal frame portion. Depending on the direction of line release, the line will come into contact with the metal portion, but due to the high coefficient of friction of the metal portion, there is a problem of line tangling or twisting. In addition, since it is formed by two components, the ring portion and the frame portion, there is also a problem of increased weight and larger size.

[0013] Furthermore, in the fishing line guide disclosed in Patent Document 2, the guide frame is integrally formed by forging, eliminating brazing or other joints. This prevents corrosion, line tangling, and line twisting at these joints. Additionally, because the guide frame is forged, even with thinner walls, the wall thickness can be varied while maintaining sufficient strength, allowing for overall lightweighting while maintaining strength. However, since it consists of a ring and a metal frame, the line comes into contact with the metal part depending on the direction of line release. Due to the high coefficient of friction of this metal part, line twisting can occur. Furthermore, since even with thinner walls, it is still made of metal and consists of two components—the ring and the frame—an increase in weight and size is unavoidable.

[0014] In view of the aforementioned problems, the object of the present invention is to provide a fishing line guide that not only ensures rigidity and strength of the guide as a whole while achieving lightweight, but also reduces line twisting and tangling during actual fishing, and a fishing rod equipped with the fishing line guide.

[0015] Other objects of the embodiments of the present invention will become clear by referring to the entire specification.

[0016] Methods for solving problems

[0017] One embodiment of the present invention relates to a fishing line guide, which is provided with a fishing line guide portion having a through hole for guiding the fishing line, a fishing rod fixing portion fixed to the fishing rod, and a connecting portion connecting the fishing line guide portion and the fishing rod fixing portion, wherein the fishing line guide is integrally formed of ceramic material.

[0018] According to one embodiment of the present invention, the fishing line guide is concave when viewed from a direction perpendicular to the axis of the through hole, and the outer contours of the inner surface of the fishing line guide and the connecting part are curved into an arc shape.

[0019] One embodiment of the present invention relates to a fishing line guide that is concave when viewed from a direction perpendicular to the axis of the through hole, and the outer contour of the inner surface side of the fishing line guide and the connecting part has no straight portion.

[0020] In one embodiment of the present invention, the fishing line guide is configured such that, when viewed in the axial direction of the through hole, its wall thickness increases as it approaches the connecting portion.

[0021] In a fishing line guide according to one embodiment of the present invention, the connecting portion is configured such that, when viewed in the axial direction of the through hole, its wall thickness increases as it approaches the fishing rod fixing portion.

[0022] According to one embodiment of the present invention, the fishing line guide is concave when viewed from the direction perpendicular to the axis of the through hole. The outer contour of the inner surface side of the fishing line guide and the connecting part is composed of a plurality of arc-shaped parts, and each arc-shaped part is connected by one or more inflection points.

[0023] In one embodiment of the present invention, the fishing line guide is inclined at 10 to 45° relative to the fishing rod fixing part.

[0024] According to one embodiment of the present invention, the fishing line guide has an outer contour that is curved into a convex shape when viewed from a direction perpendicular to the axis of the through hole.

[0025] In one embodiment of the present invention, the difference between the outer diameter and the inner diameter of the fishing line guide is in the range of 1.2 mm to 2.0 mm.

[0026] In one embodiment of the present invention, the ratio of the inner diameter of the fishing line guide portion to the outer diameter of the fishing line guide portion is 0.55 or more.

[0027] An embodiment of the present invention provides a fishing rod comprising: a rod tube; a fishing line guide having a fishing line guide portion having a through hole for guiding the fishing line, a fishing rod fixing portion fixed to the rod tube, and a connecting portion connecting the fishing line guide portion and the fishing rod fixing portion, wherein the fishing line guide is integrally formed of a ceramic material.

[0028] Invention Effects

[0029] According to various embodiments of the present invention, a fishing line guide and a fishing rod having the fishing line guide can be provided, which not only ensures rigidity and strength of the guide as a whole while achieving lightweight, but also reduces line twisting and tangling during actual fishing. Attached Figure Description

[0030] Figure 1 This is a diagram illustrating one embodiment of the fishing rod 1 according to one version of the present invention.

[0031] Figure 2 This is a diagram showing the overall structure of a fishing line guide 10 according to one embodiment of the present invention.

[0032] Figure 3 This is a diagram illustrating a fishing line guide 10 according to one embodiment of the present invention.

[0033] Figure 4 This is a diagram illustrating one embodiment of the fishing line guide 10 according to one embodiment of the present invention.

[0034] Figure 5 This is a diagram illustrating one embodiment of the fishing line guide 10 according to one embodiment of the present invention.

[0035] Figure 6 This is a diagram illustrating one embodiment of the fishing line guide 10 according to one embodiment of the present invention.

[0036] Figure 7 This is a diagram illustrating the outer and inner diameters of the fishing line guide portion of the fishing line guide 10 according to one embodiment of the present invention. Detailed Implementation

[0037] Hereinafter, various embodiments of the present invention will be described with appropriate reference to the accompanying drawings. It should be noted that common components in all the drawings are labeled with the same reference numerals. For ease of explanation, the drawings may not be shown at a correct scale. Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

[0038] Figure 1 This figure illustrates one embodiment of the fishing rod according to the present invention. As shown, the fishing rod 1 provided in one embodiment of the present invention includes: a rod body 2; a reel 6, which is mounted to the rod body 2 via a reel seat 9; and a fishing line guide 10 (10D is referred to as a top guide), which is mounted to the rod body 2. In the illustrated embodiment, the reel seat 9 and the fishing line guide 10 respectively correspond to mounting components mounted on the outer peripheral surface of the rod body.

[0039] The rod body 2 is constructed, for example, by connecting the end rod 3, the middle rod 5, and the tip rod 7. These rod bodies are joined, for example, by a plug-in joint. The end rod 3, the middle rod 5, and the tip rod 7 can be joined by a vibrating joint, a reverse plug-in joint, a socket joint, or any other known joint method. The rod body 2 can also be constructed from a single rod body.

[0040] The tail rod 3, middle rod 5, and tip rod 7 are, for example, tubular bodies made of fiber-reinforced resin. The tubular body is produced by winding a fiber-reinforced resin prepreg (prepreg sheet), obtained by impregnating a matrix resin with reinforcing fibers, onto a mandrel and heating the prepreg sheet to cure it. The reinforcing fibers included in the prepreg sheet can be, for example, carbon fiber, glass fiber, or any other known reinforcing fibers. The matrix resin included in the prepreg sheet can be, for example, a thermosetting resin such as epoxy resin. Unsaturated polyester, phenol, and vinyl ester are considered as such thermosetting resins, but are not limited to these. Additionally, when using thermoplastic resins, PES (polyethersulfone), PPS (polyphenylene sulfide), PEEK (polyetheretherketone), PC (polycarbonate), PA (polyamide: 6, 12, 66, etc.) are considered, but are not limited to these. After the prepreg sheet cures, the mandrel is decored. Furthermore, the outer surface of the tubular body is appropriately ground. Each rod can also be made solid.

[0041] In the illustrated embodiment, multiple line guides 10 (line guides 10A to 10D) are provided on the tail rod 3, the middle rod 5, and the tip rod 7 to guide the fishing line released from the reel 6 mounted on the reel seat 9. More specifically, line guide 10A is provided on the tail rod 3, line guide 10B is provided on the middle rod 5, and line guide 10C is provided on the tip rod 7. A top guide 10D is provided at the tip of the tip rod 7.

[0042] Next, refer to Figure 2 , 3 Sections 4, 5, and 6 further illustrate a fishing line guide (top guide) 10 according to one embodiment of the present invention. For example... Figure 2 As shown, one embodiment of the present invention relates to a fishing line guide 10, which includes a fishing line guide portion 12 having a through hole 11 for guiding the fishing line, a fishing rod fixing portion 13 fixed to the rod body 2 of the fishing rod 1, and a connecting portion 14 connecting the fishing line guide portion 12 and the fishing rod fixing portion 13. The fishing line guide 10 is integrally formed of ceramic material. In the illustrated example, for ease of explanation, the top guide 10D is used as an example, but other fishing line guides 10 can also be applied (hereinafter the same). Furthermore, the fracture toughness of the ceramic material is preferably 5 MPa·m. 1 / 2 The above, but not necessarily limited to.

[0043] The fishing line guide 10 according to one embodiment of the present invention provides a fishing line guide that not only ensures rigidity and strength as a whole while achieving lightweight, but also reduces line twisting and tangling during actual fishing. More specifically, this fishing line guide eliminates the need for additional guide rings for guiding the fishing line, thus achieving lightweight (regarding strength and rigidity). Furthermore, since the fishing line guide is made of ceramic material, it significantly reduces the frictional resistance generated when the fishing line comes into contact with the metal frame or the like during release, thereby effectively suppressing line twisting during release and tangling during actual fishing.

[0044] Next, as Figure 3 As shown, in one embodiment of the present invention, the fishing line guide 10 extends from a direction perpendicular to the axis (X) of the through hole 11. Figure 3 Observed from the direction of the paper, the inner surface 15 of the fishing line guide 12 and the connecting part 14 is curved into an arc shape, forming a concave shape. In this way, it can be seen that the strength and durability are greatly improved because the large force generated by accidental collision with the fishing line guide can be avoided, which would cause stress concentration on the fishing line guide 12 and the connecting part 14.

[0045] In addition, such as Figure 3 As shown, in one embodiment of the present invention, the fishing line guide 10 is configured to be concave when viewed from a direction perpendicular to the axis (X) of the through hole 11, and the outer contour of the inner surface side 15 of the fishing line guide portion 12 and the connecting portion 14 has no straight portion. In this way, it can be seen that since the large force generated by accidental collisions with the fishing line guide can be avoided, resulting in stress concentration on the fishing line guide portion 12 and the connecting portion 14, the strength and durability are greatly improved.

[0046] In addition, such as Figure 3 As shown, in a fishing line guide 10 according to one embodiment of the present invention, the fishing line guide portion 12 is configured such that, when viewed in the axial direction (X) of the through hole 11, its wall thickness increases as it approaches the connecting portion 14. This reduces line entanglement and improves strength.

[0047] Furthermore, as this Figure 3 As shown, in a fishing line guide 10 according to one embodiment of the present invention, the connecting portion 14 is configured such that, when viewed in the axial direction of the through hole 11, its wall thickness increases as it approaches the fishing rod fixing portion 13. This reduces line tangling and improves strength.

[0048] Next, in Figure 4In the example shown, the fishing line guide 10 according to one embodiment of the present invention is perpendicular to the axis (X) of the through hole 11. Figure 4 Viewed from the side of the paper, the inner surface 15 of the fishing line guide 12 and the connecting part 14 is curved into an arc shape, while the rod fixing part 13 is formed in a straight or nearly straight shape. This shape effectively avoids stress concentration on the fishing line guide 12 and the connecting part 14 caused by large forces generated from accidental collisions with the fishing line guide, thus significantly improving strength and durability.

[0049] Next, in Figure 5 In the example shown, the fishing line guide 10 according to one embodiment of the present invention is perpendicular to the axis (X) of the through hole 11. Figure 5 Viewed from the direction of the paper, the inner surface 15 of the fishing line guide 12 and the connecting part 14 is concave, and the outer contour of the inner surface 15 is composed of multiple arc-shaped parts 16 (three arc-shaped parts 16 in the illustrated example). Each arc-shaped part 16 is connected by one or more inflection points P (two inflection points P1 and P2 in the illustrated example). Thus, this shape avoids stress concentration on the fishing line guide 12 and the connecting part 14 caused by large forces generated from accidental collisions with the fishing line guide, thereby significantly improving strength and durability. Here, the arc-shaped part 16 can be considered as either concave or convex when viewed from the inner surface 15, and is not limited to a specific shape.

[0050] Next, in Figure 6 In the example shown, from the direction perpendicular to the axis (X) of the through hole 11 ( Figure 6 When viewing the fishing line guide 10 according to one embodiment of the present invention (with the orientation of the paper), the outer contour of the outer surface side 17 of the fishing line guide 12 is bent into a convex shape (in the illustrated example, the outer contour of the outer surface side 17 is bent into a convex shape such that the fishing line guide 12 and a part of the fishing rod fixing part 13 are joined together). In this way, the strength of the fishing line guide 12 can be improved.

[0051] Next, refer to again Figure 3 In one embodiment of the fishing line guide 10, the fishing line guide portion 12 is inclined at 10 to 45° relative to the fishing rod fixing portion 13, that is, the angle α is in the range of 10 to 45°. This reduces the likelihood of line tangling.

[0052] Next, refer to Figure 7The dimensions of the fishing line guide portion 12 and the through hole 11 of the fishing line guide member 10 according to one embodiment of the present invention will be described below. The outer diameter corresponding to each inner diameter of the fishing line guide portion 12 (the diameter of the through hole 11) and the difference between the outer diameter and the inner diameter are shown below.

[0053] Here, the shapes of the fishing line guide 12 and the through hole 11 are not only circular or roughly circular, but also... Figure 7 The elliptical or roughly elliptical shapes are shown. When the fishing line guide 12 and the through hole 11 are elliptical or roughly elliptical, the outer diameter of the fishing line guide 12 refers to... Figure 7 The outer diameter of the short diameter shown, and the inner diameter of the fishing line guide 12 (the diameter of the through hole 11) refer to the... Figure 7 The inner diameter of the major axis shown.

[0054] First, Table 1 shows the outer diameter of the fishing line guide 12 of the fishing line guide 10 according to an embodiment of the present invention, when the inner diameter of the fishing line guide 12 (the diameter of the through hole 11) is 2.2 mm, and the difference between the outer diameter and the inner diameter.

[0055] [Table 1]

[0056]

[0057] As described above, the fishing line guide 10 according to one embodiment of the present invention has an outer diameter of 3.6 mm for the fishing line guide portion 12, which is smaller than that of conventional fishing line guides 10 with the same inner diameter (diameter of the through hole 11) of the fishing line guide portion 12. Furthermore, the difference between the outer and inner diameters is 1.4 mm, making it the thinnest among conventional fishing line guides 10. Thus, it is evident that the fishing line guide 10 according to one embodiment of the present invention, even with the inner diameter (diameter of the through hole 11) of the fishing line guide portion 12 remaining the same as conventional fishing line guides, can achieve a smaller and more compact size. By reducing the outer diameter of the fishing line guide portion 12, line tangling and twisting can be reduced. Furthermore, it is also evident that even with a reduced outer diameter of the fishing line guide portion 12, the strength of the fishing line guide remains unaffected.

[0058] Next, Table 2 shows the outer diameter of the fishing line guide 12 of the fishing line guide member 10 according to an embodiment of the present invention, and the difference between the outer diameter and the inner diameter, when the inner diameter of the fishing line guide 12 (the diameter of the through hole 11) is 2.5 mm (2.6 mm in length). The through hole is shown to be circular and elliptical respectively.

[0059] [Table 2]

[0060]

[0061] As shown above, the fishing line guide 10 according to one embodiment of the present invention has an outer diameter of 4.5 mm and 3.7 mm, which is smaller than that of conventional fishing line guides 10 with the same inner diameter (diameter of the through hole 11) of the fishing line guide 12. Furthermore, the difference between the outer diameter and the inner diameter is 2.0 mm and 1.2 mm, respectively, making it the thinnest among conventional fishing line guides 10. Thus, it is evident that the fishing line guide 10 according to one embodiment of the present invention, even with the inner diameter (diameter of the through hole 11) of the fishing line guide 12 remaining the same as conventional fishing line guides, can achieve a smaller and more compact size. By reducing the outer diameter of the fishing line guide 12, line tangling and twisting can be reduced. Furthermore, it is also evident that even with a reduced outer diameter of the fishing line guide 12, the strength of the fishing line guide remains unaffected.

[0062] Next, Table 3 shows the outer diameter of the fishing line guide 12 of the fishing line guide 10 according to an embodiment of the present invention, when the inner diameter of the fishing line guide 12 (the diameter of the through hole 11) is 4.1 mm, and the difference between the outer diameter and the inner diameter.

[0063] [Table 3]

[0064]

[0065]

[0066] As described above, the fishing line guide 10 according to one embodiment of the present invention has an outer diameter of 6.0 mm for the fishing line guide portion 12, which is smaller than that of conventional fishing line guides 10 with the same inner diameter (diameter of the through hole 11) of the fishing line guide portion 12. Furthermore, the difference between the outer and inner diameters is 1.9 mm, making it the thinnest among conventional fishing line guides 10. Thus, it is evident that the fishing line guide 10 according to one embodiment of the present invention, even with the inner diameter (diameter of the through hole 11) of the fishing line guide portion 12 remaining the same as conventional fishing line guides, can achieve a smaller and more compact size. By reducing the outer diameter of the fishing line guide portion 12, line tangling and twisting can be reduced. Furthermore, it is also evident that even with a reduced outer diameter of the fishing line guide portion 12, the strength of the fishing line guide remains unaffected.

[0067] In one embodiment of the fishing line guide 10, the difference between the outer diameter and the inner diameter of the fishing line guide portion 12 is in the range of 1.2 mm to 2.0 mm. This reduces line tangling and further achieves weight reduction.

[0068] In one embodiment of the fishing line guide 10, the ratio of the inner diameter of the fishing line guide portion 12 to the outer diameter of the fishing line guide portion 12 is 0.55 or more. This reduces line tangling and further achieves weight reduction.

[0069] One embodiment of the present invention relates to a fishing rod comprising: a rod tube; and a fishing line guide having a fishing line guide portion having a through hole for guiding the fishing line, a fishing rod fixing portion fixed to the rod tube, and a connecting portion connecting the fishing line guide portion and the fishing rod fixing portion, wherein the fishing line guide is integrally formed of a ceramic material.

[0070] The fishing rod according to one embodiment of the present invention provides a fishing rod with a line guide that not only ensures rigidity and strength of the line guide as a whole while achieving lightweight, but also reduces line twisting and tangling during actual fishing. More specifically, this line guide eliminates the need for a separate guide ring for guiding the fishing line, thus achieving lightweight. Furthermore, since the line guide is made of ceramic material, the frictional resistance generated when the fishing line comes into contact with the metal frame or the like during release is significantly reduced, thereby effectively suppressing line twisting and tangling during actual fishing.

[0071] One embodiment of the present invention relates to a fishing rod that can be configured to have a rod tube and a fishing line guide 10 as described in any of the embodiments of the present invention.

[0072] Finally, a method for forming the fishing line guide 10 according to one embodiment of the present invention will be described. First, a ceramic material is prepared, and a prototype of the fishing line guide of the desired size and shape is formed by injection molding. This prototype is then sintered, and subsequently tumbled to form the fishing line guide 10 according to one embodiment of the present invention. Further details of the forming method are omitted.

[0073] The dimensions, materials, and configurations of the various components described in this specification are not limited to those explicitly described in the embodiments. These components can be modified to have any dimensions, materials, and configurations that can be included within the scope of this invention. Furthermore, components not explicitly described in this specification can be added to the described embodiments, and some components already described in each embodiment can be omitted.

[0074] Symbol Explanation

[0075] 1 fishing rod

[0076] 2 rod body

[0077] 3-tail rod

[0078] 5-meter rod

[0079] 6-roller

[0080] 7-point rod

[0081] 8-channel reel holder

[0082] 10 fishing line guides

[0083] 11 through holes

[0084] 12 fishing line guide

[0085] 13 Fishing rod fixing part

[0086] 14 Connecting parts

[0087] 15 Inner Surface Side

[0088] 16 arc-shaped parts

[0089] 17 Outer surface side

[0090] The axis of the X-hole

[0091] P1 Inflection Point

[0092] P2 inflection point

Claims

1. A fishing line guide, comprising a fishing line guide portion having a through hole for guiding the fishing line, a fishing rod fixing portion fixed to a fishing rod, and a connecting portion connecting the fishing line guide portion and the fishing rod fixing portion, characterized in that, The fishing line guide is integrally formed of ceramic material, and Viewed from a direction perpendicular to the axis of the through hole, the first outer contour on the first side of the fishing line guide is concave. This concave shape extends continuously along the first outer contour from the connecting portion to a first position on the edge of the first opening of the through hole. The first opening edge is located at the narrowest point of the through hole, and this first position is the position on the edge of the first opening closest to the fishing rod fixing portion. The first outer contour on the first side of the fishing line guide has no straight portion, and the second outer contour on the second side of the fishing line guide is a straight line without curvature, wherein the second outer contour on the second side is opposite to the first outer contour on the first side.

2. The fishing line guide according to claim 1, wherein, The fishing line guide is configured such that, when viewed along the axial direction of the through hole, its wall thickness increases as it approaches the connecting portion.

3. The fishing line guide according to any one of claims 1 to 2, wherein, The connecting portion is configured such that, when viewed along the axial direction of the through hole, its wall thickness increases as it approaches the fishing rod fixing portion.

4. The fishing line guide according to claim 1, wherein, The fishing line guide is concave when viewed from the axial direction perpendicular to the through hole. The outer contour of the inner surface of the fishing line guide and the connecting part is composed of multiple arc-shaped parts, and each arc-shaped part is connected by one or more inflection points.

5. The fishing line guide according to claim 1, wherein, The fishing line guide is inclined at 10-45° relative to the fishing rod fixing part.

6. The fishing line guide according to claim 1, wherein, Viewed from a direction perpendicular to the axis of the through hole, the outer contour of the outer surface of the fishing line guide is curved into a convex shape.

7. The fishing line guide according to claim 1, wherein, The difference between the outer diameter and the inner diameter of the fishing line guide is in the range of 1.2mm to 2.0mm.

8. The fishing line guide according to claim 1, wherein, The ratio of the inner diameter of the fishing line guide to the outer diameter of the fishing line guide is greater than 0.

55.

9. A fishing rod comprising: a rod tube; a fishing line guide, the fishing line guide having a fishing line guiding portion having a through hole for guiding the fishing line, a fishing rod fixing portion fixed to the rod tube, and a connecting portion connecting the fishing line guiding portion and the fishing rod fixing portion, characterized in that... The fishing line guide is integrally formed of ceramic material, and Viewed from a direction perpendicular to the axis of the through hole, the first outer contour on the first side of the fishing line guide is concave. This concave shape extends continuously along the first outer contour from the connecting portion to a first position on the edge of the first opening of the through hole. The first opening edge is located at the narrowest point of the through hole, and this first position is the position on the edge of the first opening closest to the fishing rod fixing portion. The first outer side profile on the first side of the line guide has no straight portion and the second outer side profile on the second side of the line guide is straight without a bend, wherein The second outer contour on the second side is opposite to the first outer contour on the first side.

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