Fuck line

Abstract

To provide stranded wire that can stabilize its shape. [Solution] Large diameter outermost layer lines 14 are arranged spaced apart in the circumferential direction, and one small diameter outermost layer line 13 is arranged between adjacent large diameter outermost layer lines 14, 14 in the circumferential direction to form the outermost layer 5. Inside the outermost layer 5, large diameter first outer layer lines 12 are arranged spaced apart in the circumferential direction, and one small diameter first outer layer line 13 is arranged between adjacent large diameter first outer layer lines 12, 12 in the circumferential direction to form the first outer layer 4. Inside the first outer layer 4, an inner layer 3 is formed by arranging multiple inner layer lines 11 in the circumferential direction. Multiple intermediate materials 18, 19 are arranged in the first void 21 surrounded by one small diameter first outer layer line 13, two large diameter first outer layer lines 12, 12 located on either side of it, and two inner layer lines 11, 11 located inside them.

Description

Technical Field

[0001] The present invention relates to a twisted wire.

Background Art

[0002] In the wire and cable market, from the viewpoints of miniaturization, weight reduction, and high functionality of wires and cables, as shown in FIG. 6, with one central strand 101 as the core, six strands 102 surround it to form an inner layer 103, twelve strands 104 surround the outer periphery thereof to form a first outer layer 105, and eighteen strands 106 surround the outer periphery thereof to form an outermost layer 107, a twisted wire conductor 110 has been proposed.

[0003] In the above twisted wire conductor 110, the strands 106 forming the outermost layer 107 fall into the voids 109 in the outer valleys formed by the adjacent strands 104, 104 and also form the first outer layer 105, so that the shape of the twisted wire conductor 110 is unstable and there is a risk of quality degradation. Therefore, as shown in FIG. 6, it is necessary to compress from the outside of the outermost layer 107 at a high compression rate to stabilize the shape.

Summary of the Invention

Problems to be Solved by the Invention

[0004] Since the above twisted wire conductor 110 is compression-formed at a high compression rate, there is a risk of impairing physical properties such as elongation characteristics, flexibility, and ductility.

[0005] Therefore, an object of the present invention is to provide a twisted wire that can stabilize the shape without compression or at a low compression rate as compared with the above prior art.

Means for Solving the Problems

[0006] To solve the aforementioned problems, the present invention provides an outermost layer composed of a plurality of large outermost layer lines and a plurality of small outermost layer lines thinner than the large outermost layer lines, a first outer layer provided inside the outermost layer and composed of a plurality of large first outer layer lines and a plurality of small first outer layer lines thinner than the large first outer layer lines, and an inner layer provided inside the first outer layer and composed of a plurality of inner layer lines arranged in the circumferential direction. The aforementioned large-diameter outermost layer lines are arranged spaced apart in the circumferential direction, and one of the aforementioned small-diameter outermost layer lines is arranged between adjacent large-diameter outermost layer lines in the circumferential direction to constitute the outermost layer. The large diameter first outer layer lines are arranged spaced apart in the circumferential direction, and one small diameter first outer layer line is arranged between adjacent large diameter first outer layer lines in the circumferential direction to constitute the first outer layer. This stranded wire is characterized by having multiple intermediate materials arranged within a first void, which is enclosed by a first inner void, surrounded by a first outer void, formed by the outer surface of one small-diameter first outer layer wire and the outer surfaces of two large-diameter first outer layer wires located on either side of it, and a first outer void, formed by the outer surfaces of circumferentially adjacent inner layer wires. That is the case.

[0007] Alternatively, one large-diameter first outer layer line or one small-diameter first outer layer line may be arranged inside the outermost inner valley portion, which is formed by the outer surface of one small-diameter outermost layer line and the outer surfaces of the two large-diameter outermost layer lines located on either side of it, and one large-diameter first outer layer line and one small-diameter first outer layer line may be arranged alternately in the circumferential direction.

[0008] Furthermore, the number of the large outermost layer lines and the small outermost layer lines are set to be the same. The number of the large-diameter first outer layer line, the small-diameter first outer layer line, and the inner layer line are the same. The number of large-diameter outermost layer lines may be twice the number of inner layer lines.

[0009] Furthermore, two first intermediate members are arranged in contact with the first inner valley portion. A second intermediate material is placed in contact with the first outer valley portion, The second intermediate material may be arranged so as to abut against the inner valley portion of the first intermediate material, which is composed of the two first intermediate materials.

[0010] Furthermore, the center of the large-diameter first outer layer wire and the center of the small-diameter outermost layer wire located outside this large-diameter first outer layer wire are arranged to lie on a straight line passing through the center of the stranded wire and the center of the inner layer wire. The center of the smallest outermost layer wire, located outside the smallest first outer layer wire, may be positioned on a straight line passing through the center of the stranded wire and the center of the smallest first outer layer wire.

[0011] Furthermore, the distance from the center of the stranded wire to the outermost edge of the thickest outermost layer wire, and the distance from the center of the stranded wire to the most The distance to the outermost edge of the smallest diameter outermost layer line constituting the outer layer may be considered to be approximately the same.

[0012] Furthermore, the intermediate material may be composed of a conductive wire or an insulating wire.

[0013] Furthermore, the inner layer lines may consist of five or more lines.

[0014] Furthermore, compression does not need to be applied from outside the thick outermost layer line and the thin outermost layer line that constitute the outermost layer.

[0015] Also, the above most Compression may be applied from outside the outermost thick and thin outermost layers that constitute the outer layer. [Effects of the Invention]

[0016] According to the invention of the present application, thick-diameter outermost layer wires are disposed at intervals in the circumferential direction, and one thin-diameter outermost layer wire is disposed between adjacent thick-diameter outermost layer wires in the circumferential direction to form the outermost layer. Thick-diameter first outer layer wires are disposed at intervals in the circumferential direction, and one thin-diameter first outer layer wire is disposed between adjacent thick-diameter first outer layer wires in the circumferential direction to form a first outer layer inside the outer layer. An inner layer formed by disposing a plurality of inner layer wires in the circumferential direction is formed inside the first outer layer. A first inner valley portion formed by the outer surface of one thin-diameter first outer layer wire and the outer surfaces of two thick-diameter first outer layer wires located on both sides thereof, and a plurality of intermediate members are disposed in a first void portion surrounded by a first outer valley portion formed by the outer surfaces of adjacent inner layer wires in the circumferential direction. As a result, the intermediate members prevent the thin-diameter first outer layer wires constituting the first outer layer from falling into the void portion, the shape of the twisted wire can be stabilized, and the quality can be improved.

Brief Description of Drawings

[0017] [Figure 1] Cross-sectional view of the twisted wire according to Example 1 of the present invention. [Figure 2] Cross-sectional view of an example of the twisted wire according to Example 2 of the present invention. [Figure 3] Cross-sectional view of an example of the twisted wire according to Example 3 of the present invention. [Figure 4] Cross-sectional view of another example of the twisted wire according to Example 3 of the present invention. [Figure 5] Cross-sectional view of another example of the twisted wire according to Example 3 of the present invention. [Figure 6] Cross-sectional view of the conventional twisted wire.

Modes for Carrying Out the Invention

[0018] Modes for carrying out the present invention will be described based on the drawings. The twisted wire of the present invention can be used as a twisted wire conductor used for electric wires, cables, etc., and a medical wire such as an operating wire for an endoscope.

[0019] [Example 1] FIG. 1 is a cross-sectional view taken in a direction perpendicular to the axial direction of the twisted wire 1 according to Example 1 of the present invention, and the oblique lines indicating the cross-sections of the respective strands are omitted to avoid complexity of the drawing.

[0020] As shown in Fig. 1, the twisted wire 1 is composed of a center line 2, an inner layer 3 provided outside the center line 2, a first outer layer 4 provided outside the inner layer 3, and an outermost layer 5 provided outside the first outer layer 4.

[0021] The inner layer 3 is composed of five inner layer wires 11, the first outer layer 4 is composed of five thick first outer layer wires 12 and five thin first outer layer wires 13, and the outermost layer 5 is composed of ten thick outermost layer wires 14 and ten thin outermost layer wires 15. The outer layer 6 is composed of the first outer layer 4 and the outermost layer 5.

[0022] The twisted wire 1 is composed of four types of base wires 2, 11, 12, 13, 14, 15, and all the twisting directions of the base wires 2, 11, 12, 13, 14, 15 are configured to be in the same direction.

[0023] When the twisted wire 1 is used as a twisted wire conductor, as the wire materials for the base of each base wire 2, 11, 12, 13, 14, 15, for example, copper wires such as bare copper wire, oxygen-free copper wire, linear crystal oxygen-free copper wire, single crystal high purity oxygen-free copper wire, etc., those obtained by plating tin, nickel, silver, etc. on this copper wire, aluminum wire, various alloy wires, and insulated coated ones such as enameled wire, litz wire, formal wire, etc. can be used.

[0024] When the twisted wire 1 is used as a medical wire, as the wire materials for the base of each base wire 2, 11, 12, 13, 14, 15, for example, hard copper wire, alloy wire, nickel wire, stainless steel wire, titanium wire, etc. can be used.

[0025] The materials of each base wire 2, 11, 12, 13, 14, 15 may be the same material or different materials.

[0026] The diameter d2 of the inner layer wire 11 is set to be larger than the diameter d1 of the center line 2. As shown in Fig. 1, the five inner layer wires 11 are arranged in the circumferential direction outside the center line 2 to form a circumferential inner layer 3.

[0027] The inner layer lines 11, 11 adjacent to each other in the circumferential direction are arranged to abut each other along the entire axial direction or in part along the axial direction. Furthermore, the inner layer lines 11 and the center line 2 are arranged to abut each other along the entire axial direction or in part along the axial direction.

[0028] The diameter d3 of the large-diameter first outer layer line 12 is larger than the diameter d4 of the small-diameter first outer layer line 13, and the diameter d4 of the small-diameter first outer layer line 13 is larger than the diameter d2 of the inner layer line 11. As shown in Figure 1, the large-diameter first outer layer lines 12 are spaced apart in the circumferential direction, and one small-diameter first outer layer line 13 is placed between adjacent large-diameter first outer layer lines 12, 12 in the circumferential direction to form the first outer layer 4. The number of large-diameter first outer layer lines 12 and the number of small-diameter first outer layer lines 13 are each the same as the number of inner layer lines 11, consisting of 5 lines each.

[0029] The large-diameter first outer layer line 12 and the small-diameter first outer layer line 13, which are adjacent to each other in the circumferential direction, are arranged to be spaced apart from each other.

[0030] As shown in Figure 1, the large-diameter first outer layer wire 12 is positioned such that its center lies on a straight line passing through the center of the center line 2, that is, the center of the stranded wire 1, and the center of the inner layer wire 11.

[0031] The diameter d5 of the large outermost layer line 14 is larger than the diameter d6 of the small outermost layer line 15, and the diameter d4 of the small first outer layer line 13 is larger than the diameter d1 of the center line 2. As shown in Figure 1, the large outermost layer lines 14 are spaced apart in the circumferential direction, and one small outermost layer line 15 is placed between adjacent large outermost layer lines 14, 14 in the circumferential direction to form the outermost layer 5. The number of large outermost layer lines 14 and the number of small outermost layer lines 15 are each 10, which is twice the number of inner layer lines 11.

[0032] The large-diameter outermost layer line 14 and the small-diameter outermost layer line 15, which are adjacent to each other in the circumferential direction, are arranged to abut each other along the entire axial direction or in a part of the axial direction.

[0033] As shown in Figure 1, the thin outermost layer line 15, located outside the thick first outer layer line 12, is positioned such that its center lies on a straight line passing through the center of the center line 2, that is, the center of the stranded wire 1, the center of the inner layer line 11, and the center of the thick first outer layer line 12.

[0034] As shown in Figure 1, the smallest outermost layer line 15, located outside the smallest first outer layer line 13, is positioned such that its center lies on a straight line passing through the center of the center line 2, that is, the center of the stranded wire 1, and the center of the smallest first outer layer line 13.

[0035] Inside the outermost inner valley 16, which is formed by the outer surface of one thin outermost layer line 15 and the outer surfaces of two thick outermost layer lines 14, 14 located on either side of it, one thick first outer layer line 12 or one thin first outer layer line 13 is arranged, and the one thick first outer layer line 12 and the one thin first outer layer line 13 are arranged alternately in the circumferential direction. Furthermore, the thick first outer layer line 12 and the thin first outer layer line 13 each abut the outermost inner valley 16 in the entire axial direction or in part of the axial direction.

[0036] A first inner void 20 is formed, enclosed by the outer surface of one small-diameter first outer layer line 13 and the outer surfaces of two large-diameter first outer layer lines 12, 12 located on either side of it, and a first void 22 is formed, enclosed by a first outer void 21 enclosed by the outer surfaces of two adjacent inner layer lines 11, 11 in the circumferential direction.

[0037] Within the first void 22, two first intermediate members 18, 18 are arranged in the circumferential direction so as to abut the first inner void 20 in the entire axial direction or in part thereof. Within the first outer void 21, one second intermediate member 19 is arranged so as to abut the first intermediate member in the entire axial direction or in part thereof. Furthermore, one second intermediate member 19 is arranged so as to abut the first intermediate member inner valley 24, which is formed by the outer surfaces of adjacent first intermediate members 18, 18, in the entire axial direction or in part thereof.

[0038] Furthermore, the wires constituting the intermediate materials 18 and 19 can be made of conductive wires such as hard copper wire, alloy wire, nickel wire, stainless steel wire, and titanium wire, as well as insulating wires such as resin materials and insulating materials.

[0039] When the strands 2, 11, 12, 13, 14, and 15 are made of flexible materials such as resin, insulating material, or fiber material that are softer than the wire material, the intermediate materials 18 and 19 can be compressed and deformed within the first void 22 when the strands 2, 11, 12, 13, 14, and 15 and the intermediate materials 18 and 19 are twisted together to form the stranded wire 1.

[0040] Furthermore, the number of intermediate members arranged within the first void 22 can be arbitrarily set to anything other than three, as long as a part of any of the intermediate members abuts the first inner void 20 and the first outer void in the entire axial direction, or in a part of the axial direction.

[0041] In this embodiment 1, the diameter of the first intermediate material 18 is d7, and the diameter of the second intermediate material 19 is d8. The following relationships were used for each strand 2, 11, 12, 13, 14, 15 and the intermediate materials 18, 19: d1 = 0.70 × d2, d3 = 1.38 × d2, d4 = 1.15 × d2, d5 = 1.115 × d2, d6 = 0.82 × d2, d7 = 0.52 × d2, d8 = 0.28 × d2.

[0042] The cross-sectional shape of the stranded wire 1 is approximately circular, meaning that the distance L1 from the center A of the stranded wire 1 to the outermost edge B of each thick outermost layer wire 14 constituting the outermost layer 5 and the distance L2 to the outermost edge C of each thin outermost layer wire 15 are approximately the same.

[0043] Because the stranded wire 1 of the present invention has the above-described structure, it provides the following functions and effects.

[0044] The outer shape of stranded wire 1 can be made approximately circular without compression, and individual strands 2, 11, 12, 13, 14, and 15 can contact all adjacent strands 2, 11, 12, 13, 14, and 15. Furthermore, the outer shape of stranded wire 1 can be made approximately circular without compression.

[0045] By making the outer shape of stranded wire 1 approximately circular without compression, each individual wire 2, 11, 12, 13, 14, and 15 can maintain its physical properties such as elongation characteristics, flexibility, and pliability without any impairment. Therefore, stranded wire 1 can be made of highly reliable quality and can be effectively utilized in fields such as automotive wires, acoustic wires, and medical wires.

[0046] The intermediate materials 18 and 19 suppress the circumferential movement of the large-diameter first outer layer wire 12 and the small-diameter first outer layer wire 13 that constitute the first outer layer 4, preventing the small-diameter first outer layer wire 13 from falling into the first void 22. This stabilizes the shape of the stranded wire compared to the conventional stranded conductor described above, and improves the quality of the stranded wire 1.

[0047] By constructing the intermediate materials 18 and 19 from components that are softer and more flexible than the individual wires 2, 11, 12, 13, 14, and 15, the physical properties such as flexibility and pliability can be further improved.

[0048] By making the outer shape of the stranded wire 1 approximately circular without compression, the outer surface can be made smooth, and the thickness of the insulating material coating on the outer circumference of the stranded wire 1 can be made thinner and more uniform, thereby reducing the amount of insulating material used and lowering costs.

[0049] Note that center line 2 does not need to be provided.

[0050] [Example 2] If it is possible to form an arrangement similar to that of the stranded wire 1 in Example 1, the stranded wire 1 can be constructed using strands of any diameter, as long as the diameter d3 of the thick first outer layer wire 12 is made thicker than the diameter d4 of the thin first outer layer wire 13, and the diameter d5 of the thick outermost layer wire 14 is made d6 thicker than the diameter d6 of the thin outermost layer wire 15. Furthermore, the outermost layer 5, which is the outermost layer in the stranded wire 1, may be compressed from the outside using a compression die or the like. A low compression ratio is possible to stably form the stranded wire 1.

[0051] This compression compresses and deforms the outer periphery of the thick-diameter outermost layer wire 14 and the thin-diameter outermost layer wire 15 that constitute the outermost layer 5, making the outer shape of the stranded wire 1 closer to a perfect circle. Compression using a compression die or the like may be performed when manufacturing the stranded wire 1 or after manufacturing the stranded wire 1. The compression ratio can be set arbitrarily, but even with a compression ratio lower than that of the conventional technology described above, the stranded wire 1 can be formed in a stable shape.

[0052] Furthermore, in the above embodiment 1, adjacent large-diameter first outer layer line 12 and small-diameter first outer layer line 13 in the circumferential direction were arranged to be spaced apart from each other, and adjacent large-diameter outermost layer line 14 and small-diameter outermost layer line 15 in the circumferential direction were arranged to be in contact along the entire axial direction or in a part thereof. However, as shown in Figure 2, adjacent large-diameter first outer layer line 12 and small-diameter first outer layer line 13 in the circumferential direction may be arranged to be in contact along the entire axial direction or in a part thereof.

[0053] When adjacent large-diameter first outer layer wires 12 and small-diameter first outer layer wires 13 in the circumferential direction are arranged to abut each other along the entire axial direction or in part along the axial direction, the total cross-sectional area of ​​the intermediate materials 18 and 19 and the cross-sectional area of ​​the first void 22 are made the same, thereby filling the first void 22 with the intermediate materials 18 and 19.

[0054] The other structures are the same as in Example 1 above, so their description will be omitted.

[0055] In this embodiment 2, the same effects and advantages as in embodiment 1 can be achieved.

[0056] [Example 3] In the above embodiments 1 and 2, the stranded wire 1 was composed of 5 inner layer wires 11, 5 thick first outer layer wires 12, and 5 thin first outer layer wires 13, and 10 thick outermost layer wires 14 and 10 thin outermost layer wires 15. However, if the number of inner layer wires 11, thick first outer layer wires 12, and thin first outer layer wires 13 is the same, and the number of thick outermost layer wires 14 and thin outermost layer wires 15 is twice the number of inner layer wires 11, then the number of strands 2, 11, 12, 13, 14, and 15 can be set to any number as long as the number of inner layer wires 11 is 3 or more.

[0057] The individual wires 2, 11, 12, 13, 14, and 15 and the intermediate materials 18 and 19 are arranged in the same regularity as in Examples 1 and 2 described above.

[0058] For example, as shown in Figure 3, even in the case of a stranded wire 31 in which the inner layer wires 11, the large-diameter first outer layer wires 12 and the small-diameter first outer layer wires 13 are each composed of 6 wires, and the large-diameter outermost layer wires 14 and the small-diameter outermost layer wires 15 are each composed of 12 wires, which is twice the number of inner layer wires 11, the cross-sectional shape of the stranded wire 31 can be made approximately circular with no compression or a low compression ratio, as shown in Figure 2.

[0059] For example, as shown in Figure 4, even in the case of a stranded wire 31 in which the inner layer wire 11, the large-diameter first outer layer wire 12, and the small-diameter first outer layer wire 13 are each composed of 7 strands, and the large-diameter outermost layer wire 14 and the small-diameter outermost layer wire 15 are each composed of 14 strands, which is twice the number of inner layer wires 11, the cross-sectional shape of the stranded wire 41 can be made approximately circular with no compression or a low compression ratio, as shown in Figure 3.

[0060] For example, as shown in Figure 5, even in the case of a stranded wire 51 in which the inner layer wires 11, the large-diameter first outer layer wires 12 and the small-diameter first outer layer wires 13 are each composed of 8 strands, and the large-diameter outermost layer wires 14 and the small-diameter outermost layer wires 15 are each composed of 16 strands, which is twice the number of inner layer wires 11, the cross-sectional shape of the stranded wire 51 can be made approximately circular with no compression or a low compression ratio, as shown in Figure 4.

[0061] The other structures are the same as those in Examples 1 and 2 above, so their description will be omitted.

[0062] In this embodiment 3, the same effects and advantages as in embodiments 1 and 2 can be achieved. [Explanation of symbols]

[0063] 1,31,41,51 stranded wire 3. Inner layer 4 1st outer layer 5 Outermost layer 11 Inner Layer Line 12 Thick diameter first outer layer wire 13 Small diameter first outer layer wire 14 Thick diameter outermost layer wire 15 Thin diameter outermost layer wire 16. Outermost inner valley 18. First Intermediate Material 19. Second Intermediate Material 20 First inner cavity 21 First outer cavity 22 First cavity 24. Inner valley section of the first intermediate material

Claims

1. The structure comprises an outermost layer composed of multiple large outermost layer lines and multiple small outermost layer lines thinner than the large outermost layer lines, a first outer layer provided inside the outermost layer and composed of multiple large first outer layer lines and multiple small first outer layer lines thinner than the large first outer layer lines, and an inner layer provided inside the first outer layer and composed of multiple inner layer lines arranged in the circumferential direction. The aforementioned large-diameter outermost layer lines are arranged spaced apart in the circumferential direction, and one of the aforementioned small-diameter outermost layer lines is arranged between adjacent large-diameter outermost layer lines in the circumferential direction to constitute the outermost layer. The large diameter first outer layer lines are arranged spaced apart in the circumferential direction, and one small diameter first outer layer line is arranged between adjacent large diameter first outer layer lines in the circumferential direction to constitute the first outer layer. A stranded wire characterized by having multiple intermediate materials arranged within a first void, which is surrounded by a first inner void enclosed by the outer surface of one small-diameter first outer layer wire and the outer surfaces of two large-diameter first outer layer wires located on either side of it, and a first outer void formed by the outer surfaces of circumferentially adjacent inner layer wires.

2. The stranded wire according to claim 1, characterized in that one large-diameter first outer layer wire or one small-diameter first outer layer wire is arranged inside the outermost inner valley portion formed by the outer surface of one small-diameter outermost layer wire and the outer surfaces of two large-diameter outermost layer wires located on either side of it, and one large-diameter first outer layer wire and one small-diameter first outer layer wire are arranged alternately in the circumferential direction.

3. The number of the large outermost layer lines and the small outermost layer lines are the same, and the number of the large first outer layer line, the small first outer layer line, and the inner layer lines are the same. The stranded wire according to claim 1 or 2, characterized in that the number of thick outermost layer wires is twice the number of inner layer wires.

4. Two first intermediate members are arranged in contact with the first inner void, A second intermediate material is placed in contact with the first outer void, The stranded wire according to claim 1 or 2, characterized in that the second intermediate material is arranged to abut against the inner valley portion of the first intermediate material, which is composed of the two first intermediate materials.

5. The center of the large-diameter first outer layer line and the center of the small-diameter outermost layer line located outside the large-diameter first outer layer line are arranged to lie on a straight line passing through the center of the stranded wire and the center of the inner layer line. The stranded wire according to claim 1 or 2, characterized in that the center of the smallest outermost layer line, located outside the smallest first outer layer line, is positioned on a straight line passing through the center of the stranded wire and the center of the smallest first outer layer line.

6. The stranded wire according to claim 1 or 2, characterized in that the distance from the center of the stranded wire to the outermost edge of the thickest outermost layer wire and the distance from the center of the stranded wire to the outermost edge of the thinnest outermost layer wire constituting the outermost layer are substantially the same.

7. The stranded wire according to claim 1 or 2, characterized in that the intermediate material is composed of a conductive wire or an insulating wire.

8. The stranded wire according to claim 1 or 2, characterized in that the inner layer wire is composed of five or more wires.

9. The stranded wire according to claim 1 or 2, characterized in that it is not compressed from the outside of the large-diameter outermost layer wire and the small-diameter outermost layer wire that constitute the outermost layer.

10. The stranded wire according to claim 1 or 2, characterized in that compression is applied from outside the large-diameter outermost layer wire and the small-diameter outermost layer wire constituting the outermost layer.

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