Binding tool, wire bundle utilizing the same and wire harness

Abstract

To provide means for easily separating a first metallic material from a second metallic material from a wire bundle in which a first wire having a core wire made of the first metallic material and a core wire made of the second metallic material are bundled up.SOLUTION: A binding tool 20 bundles a copper wire 110 having a core wire 111 made of copper and an aluminum wire 120 having a core wire 121 made of aluminum, and comprises: a winding sheet 21 which surrounds the copper wire 110 and the aluminum wire 120 to bundle them up; a fastening member 22 which is provided on an inner surface of the winding sheet 21, interposed between the copper wire 110 and the aluminum wire 120 to partition them, binds the aluminum wire 120 to surround it, and in which a slit 22a for inserting the aluminum wire 120 is formed; and a binding band 23 which fixes and holds the winding sheet 21.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] The present invention relates to a binder, and a wire bundle and a wire harness that utilize the binder. [Background technology]

[0002] Discarded automobiles are dismantled into parts, separated into different materials, and reused. For example, Patent Document 1 below proposes that after a wire harness is removed from a vehicle, connectors at the ends are removed and the bundle of electric wires is shredded with a shredder, so that the copper metal core and the resin insulating layer can be easily separated. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2002-313164 Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, wire harnesses have been used that bundle together copper and aluminum core wires. In such wire harnesses, when the wire bundle is shredded with a shredder, the copper metal and aluminum metal become mixed together, requiring a great deal of effort to separate them.

[0005] This problem is not limited to wire harnesses in which copper core wires and aluminum core wires are bundled together, but can also occur in the same manner as described above with any wire bundle in which a first electric wire having a core wire made of a first metal material and a second electric wire having a core wire made of a second metal material are bundled together.

[0006] In view of the above, an object of the present invention is to provide a means for easily separating the first metal material and the second metal material from an electric wire bundle in which a first electric wire having a core wire made of a first metal material and a second electric wire having a core wire made of a second metal material are bundled together. [Means for solving the problem]

[0007] In order to solve the above-mentioned problems, the present invention provides a binder for bundling a first electric wire having a core wire made of a first metallic material and a second electric wire having a core wire made of a second metallic material, the binder comprising: a winding sheet that surrounds the first electric wire and the second electric wire so as to bundle them together; a partition member that is provided on the inner surface of the winding sheet that surrounds the first electric wire and the second electric wire so as to separate the first electric wire and the second electric wire; and a fixing and holding means that fixes and holds the winding sheet that bundles the first electric wire and the second electric wire.

[0008] Furthermore, in the above-described binding device of the present invention, it is preferable that the fixing and holding means comprises a slit formed on one end side of the winding sheet located in the radial direction of the surrounded first electric wire and second electric wire, and oriented in the longitudinal direction along the edge of the one end, and a flap formed on the other end side of the winding sheet located in the radial direction of the surrounded first electric wire and second electric wire, and capable of being inserted into the slit to be held in place.

[0009] In the above-described fastener according to the present invention, it is preferable that the fixing and holding means is a cable tie or a hook-and-loop fastener.

[0010] Furthermore, in the above-described binding device of the present invention, it is preferable that the partition member is a fastening member that restrains the first electric wire or the second electric wire so as to surround it, and that has a notch formed therein to allow the first electric wire or the second electric wire to be inserted.

[0011] Furthermore, in the above-described binding device of the present invention, it is preferable that the first electric wire is a copper electric wire whose first metal material is copper or a copper alloy, and the second electric wire is an aluminum electric wire whose second metal material is aluminum or an aluminum alloy.

[0012] Furthermore, in order to solve the above-mentioned problems, the present invention provides an electric wire bundle comprising the first electric wire, the second electric wire, and the above-mentioned binder that bundles the first electric wire and the second electric wire.

[0013] In addition, in order to solve the above-mentioned problems, the present invention provides a wire harness comprising the first electric wire, the second electric wire, a connector connected to ends of the first electric wire and the second electric wire, and the above-mentioned binding device that bundles the first electric wire and the second electric wire. [Effects of the Invention]

[0014] According to the binder of the present invention and the wire bundle and wire harness using the binder, the first wire and the second wire can be easily separated by pulling out the first wire or the second wire from the winding sheet of the binder or by spreading and opening the winding sheet, and therefore the first metal material and the second metal material can be easily separated and recovered. [Brief explanation of the drawings]

[0015] [Figure 1] 1 is a schematic configuration diagram of a first embodiment of a wire harness according to the present invention; [Figure 2] FIG. 2 is a cross-sectional view taken along the line II-II in FIG. [Figure 3] FIG. 3 is an exploded plan view of the binder of FIGS. [Figure 4] 4 is a cross-sectional view taken along line IV-IV in FIG. 3. [Figure 5] FIG. 2 is a schematic configuration diagram of a wire harness according to a second embodiment of the present invention. [Figure 6] 6 is a cross-sectional view taken along the line VI-VI in FIG. 5. [Figure 7] FIG. 7 is an exploded plan view of the binder of FIGS. [Figure 8] FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0016] The present invention will be described with reference to the accompanying drawings, which are provided to explain the principles of the present invention and the accompanying drawings.

[0017] [First embodiment] A first embodiment of a binder according to the present invention and a wire bundle and a wire harness using the binder will be described with reference to FIGS.

[0018] In Fig. 1, 110 is a copper electric wire which is a first electric wire, 120 is an aluminum electric wire which is a second electric wire, and 130 is a connector. As shown in Fig. 2, the copper electric wire 110 is provided in plurality, with a core wire 111 made of copper or a copper alloy which is a first metal material, covered with an insulating layer 112 made of polyvinyl chloride (PVC) resin.

[0019] The aluminum electric wires 120 are provided in plurality, and each has a core wire 121 made of aluminum or an aluminum alloy, which is a second metal material, covered with an insulating layer 122 made of PVC resin. As shown in Fig. 1, a connector 130 is attached to the end of the copper electric wires 110 and the aluminum electric wires 120, and is connected to the core wire 111 of each copper electric wire 110 and the core wire 121 of each aluminum electric wire 120 via a terminal (not shown).

[0020] 1 and 2, reference numeral 10 denotes a binder, 11 denotes a winding sheet, and 12 denotes a fastening member. As shown in FIGS. 3 and 4, the winding sheet 11 is made of a resin such as PVC and has a flexible sheet shape. The fastening member 12, which is a partition member, is made of a resin such as silicone and has a flexible rectangular ring shape, and has a slit 12a that allows communication between the inside and outside, with its edge 12aa facing inward and inclined with respect to the axial direction of the copper electric wire 110 and the aluminum electric wire 120.

[0021] The fastening members 12 are provided in pairs on the inner surface of both ends (left and right ends in FIG. 3 ) of the winding sheet 11 that surrounds the copper electric wires 110 and the aluminum electric wires 120 so as to bundle them together, in the axial direction of the electric wires 110, 120, and are oriented so that their annular holes face along the axial direction. The fastening members 12 are integrally fused to the winding sheet 11 using laser light, ultrasonic waves, or the like, or are integrally bonded to the winding sheet 11 using a UV or heat-curing adhesive or the like.

[0022] As shown in FIG. 3, the winding sheet 11, which surrounds the copper electric wires 110 and the aluminum electric wires 120 so as to bundle them together, has a plurality of slits 11a (three in this embodiment) formed along the edge of the end at one end (the upper end in FIG. 3) located in the radial direction of the electric wires 110, 120, and oriented in the longitudinal direction along the edge of the end.

[0023] The winding sheet 11 surrounds the copper electric wires 110 and the aluminum electric wires 120 in a bundling manner, and at the other end side (lower end side in Figure 3) located in the radial direction of the electric wires 110, 120, multiple (three in this embodiment) band-shaped flaps 11b are formed along the edge of the one end, which can be inserted to be held in the slits 11a.

[0024] Pairs of notches 11c are formed in the flap 11b on both ends in the axial direction of the electric wires 110, 120. A plurality of these notches 11c (three in this embodiment) are formed at predetermined intervals along the radial direction of the electric wires 110, 120. Further, tapers 11d are formed on the tip side (lower end side in FIG. 3) of the flap 11b on both ends in the axial direction of the electric wires 110, 120, by cutting out the notches so that the axial lengths of the electric wires 110, 120 become shorter toward the tip side.

[0025] In this embodiment, the slits 11a, flaps 11b, notches 11c, tapers 11d, etc. constitute a fixing and holding means, and the wrapping sheet 11, fastening members 12, etc. constitute a binder 10.

[0026] 3 and 4, for example, in the binder 10 according to this embodiment, a plurality of aluminum electric wires 120 are inserted into the inside of the slits 12a of the fastening member 12 and are bound so as to be surrounded by the fastening member 12. In addition, a plurality of copper electric wires 110 are arranged side by side near the fastening member 12 on the winding sheet 11.

[0027] Next, the flaps 11b of the winding sheet 11 are inserted into the slits 11a so as to surround the copper electric wires 110 and the aluminum electric wires 120 with the winding sheet 11. At this time, the length of the tip side of each flap 11b in the axial direction of the electric wires 110, 120 is made smaller than the length of each slit 11a due to the taper 11d, so that the flaps 11b can be easily inserted into the slits 11a.

[0028] Furthermore, when the flaps 11b are inserted into the slits 11a, although the length of each flap 11b is greater than the length of each slit 11a, since the wrapping sheet 11 is flexible, each flap 11b can be easily inserted into each slit 11a by deforming it.

[0029] Then, each flap 11b is inserted into each slit 11a to a position where it can tighten the copper electric wire 110 and the aluminum electric wire 120, and the notches 11c are engaged with the slits 11a. At this time, since the length between the paired notches 11c of each flap 11b in the axial direction of the electric wires 110, 120 is approximately equal to the length of each slit 11a, each flap 11b is fixed and held in place in each slit 11a without slippage.

[0030] That is, in this embodiment, the binder 10 that bundles the copper electric wires 110 having core wires 111 made of copper or a copper alloy and the aluminum electric wires 120 having core wires 121 made of aluminum or an aluminum alloy includes: a winding sheet 11 that surrounds the copper electric wires 110 and the aluminum electric wires 120 so as to bundle them; a fastening member 22 that is provided on the inner surface of the winding sheet 11 that surrounds the copper electric wires 110 and the aluminum electric wires 120 and is interposed between the copper electric wires 110 and the aluminum electric wires 120 so as to separate them, and that surrounds and restrains the aluminum electric wire 120, and has a slit 11a, a flap 11b, a notch 11c, a taper 11d, or the like that fixes and holds the winding sheet 11 that bundles the copper electric wires 110 and the aluminum electric wires 120.

[0031] This allows for a wire harness 100 to be formed as a bundle of copper electric wires 110 and aluminum electric wires 120 bound together by a winding sheet 11 but separated by fastening members 12, as shown in FIGS.

[0032] The wire harness 100 according to the present embodiment is attached to an automobile and used, and is removed from the automobile when the automobile is disposed of. Then, the connectors 130 and the like are removed from the copper electric wires 110 and the aluminum electric wires 120, thereby forming an electric wire bundle in which the copper electric wires 110 and the aluminum electric wires 120 are bundled with the binder 10.

[0033] In this bundle of electric wires, the aluminum electric wires 120 are restrained while being separated from the copper electric wires 110 by the fastening member 12 of the binder 10, and therefore the copper electric wires 110 and the aluminum electric wires 120 can be easily separated by pulling out the bundle of copper electric wires 110 from the wrapping sheet 11 of the binder 10 that surrounds it, or by spreading and opening the wrapping sheet 11.

[0034] The separated copper electric wires 110 and aluminum electric wires 120 are individually shredded by a shredder, so that the copper material, aluminum material, and resin material are easily separated from each other.

[0035] Therefore, according to this embodiment, the copper material and the aluminum material can be easily separated and recovered from the wire bundle of the copper electric wires 110 and the aluminum electric wires 120.

[0036] Furthermore, by inserting the flap 11b into the slit 11a of the winding sheet 11, the winding sheet 11 surrounding the copper electric wires 110 and the aluminum electric wires 120 can be tightened, which makes it possible to avoid the use of adhesive materials such as adhesive tape, which can easily become an obstacle when shredding with a shredder, and allows the recovery work to be carried out more efficiently.

[0037] Furthermore, the notches 12a of the fastening member 12 are formed so that their edge ends 12aa face inward and are inclined relative to the axial direction of the electric wires 110, 120, so that the aluminum electric wire 120 inserted inside the fastening member 12 can be prevented from slipping out to the outside of the fastening member 12.

[0038] The size of the winding sheet 11 is selected appropriately depending on the shape and size of the electric wire bundle, and is generally, for example, approximately 100 mm in length in the axial direction of the electric wire bundle, approximately 80 mm in length in the winding direction of the electric wire bundle, and approximately 0.2 mm in thickness. The size of the fastening member 12 is selected appropriately depending on the diameter and number of the aluminum electric wires 120 to be bundled, and is generally, for example, approximately 5 mm in the radial direction of the aluminum electric wires 120 to be bundled. Furthermore, it is highly preferable that the fastening members 12 are arranged in pairs at intervals of approximately 130 mm, since this makes it easier to bundle the aluminum electric wires 120.

[0039] [Second embodiment] A second embodiment of a binder according to the present invention and a wire bundle and a wire harness using the binder will be described with reference to Figures 5 to 8. However, for parts similar to those in the above-described embodiment, the same reference numerals as those used in the description of the above-described embodiment will be used in this embodiment, and explanations that overlap with those in the above-described embodiment will be omitted.

[0040] 5 and 6, reference numeral 20 denotes a binder, 21 denotes a winding sheet, and 22 denotes a fastening member. As shown in Figures 7 and 8, the winding sheet 21 is made of a resin such as PVC and has a flexible sheet shape. The fastening member 22, which is a partition member, is made of a resin such as silicone and has a flexible semicircular ring shape, and has a slit 22a that allows communication between the inside and the outside, formed so that its edge 22aa faces inward and is inclined with respect to the axial direction of the copper electric wire 110 and the aluminum electric wire 120.

[0041] The fastening member 22 is provided on the inner surface of the winding sheet 21, which surrounds the copper electric wires 110 and the aluminum electric wires 120 so as to bundle them, at the center position in the axial direction of the electric wires 110, 120, and is oriented so that the annular hole faces along the axial direction. The fastening member 22 is integrally fused to the winding sheet 21 using laser light, ultrasonic waves, or the like, or is integrally bonded to the winding sheet 21 using a UV or heat-curing adhesive or the like.

[0042] As shown in Figures 5 and 6, the outer periphery of the winding sheet 21 that surrounds the copper electric wires 110 and the aluminum electric wires 120 in a bundling manner is fastened near both axial ends of the electric wires 110, 120 (near the left and right ends in Figure 5) with cable ties 23, which are fixing and holding means made of resin such as nylon or polypropylene.

[0043] In this embodiment, the binder 20 is made up of the winding sheet 21, the fastening member 22, the binding band 23, and the like.

[0044] 7 and 8 , in the binder 20 according to this embodiment, similarly to the above-described embodiment, a plurality of aluminum electric wires 120 are inserted into the inside of the fastening member 22 through the slits 22a and are bound so as to be surrounded by the fastening member 22. At the same time, a plurality of copper electric wires 110 are arranged side by side near the fastening member 22 on the winding sheet 21. Next, the winding sheet 21 is wound so as to surround the copper electric wires 110 and the aluminum electric wires 120, and then the outer periphery of the winding sheet 21 is fastened with a binding band 23.

[0045] That is, in this embodiment, the binder 20 that bundles the copper electric wires 110 having the core wires 111 made of copper or a copper alloy and the aluminum electric wires 120 having the core wires 121 made of aluminum or an aluminum alloy includes: a winding sheet 21 that surrounds the copper electric wires 110 and the aluminum electric wires 120 so as to bundle them together; a fastening member 22 that is provided on the inner surface of the winding sheet 21 that surrounds the copper electric wires 110 and the aluminum electric wires 120 and is interposed between the copper electric wires 110 and the aluminum electric wires 120 so as to separate them, and that surrounds and restrains the aluminum electric wire 120, and has a slit 22a formed therein that allows the aluminum electric wire 120 to be inserted; and a binding band 23 that fixes and holds the winding sheet 21 that bundles the copper electric wires 110 and the aluminum electric wires 120 together.

[0046] As a result, as shown in FIGS. 5 and 6, a wire harness 200 can be obtained in which copper electric wires 110 and aluminum electric wires 120 are bundled together with a winding sheet 21 but separated by fastening members 22.

[0047] In the wire harness 200 according to this embodiment, as in the case of the above-described embodiment, the connectors 130 and the like are removed from the copper electric wires 110 and the aluminum electric wires 120, and the copper electric wires 110 and the aluminum electric wires 120 are bundled together with the binder 20.

[0048] In this wire bundle, as in the case of the above-described embodiment, the aluminum electric wires 120 are restrained while being separated from the copper electric wires 110 by the fastening members 22 of the binder 20, and therefore the copper electric wires 110 can be easily separated from the aluminum electric wires 120 by pulling out the bundle of copper electric wires 110 from the surrounding winding sheet 21 of the binder 20, or by cutting the binding bands 23 and spreading and opening the winding sheet 21.

[0049] Therefore, according to this embodiment, as in the above-described embodiment, the copper material and the aluminum material can be easily separated and recovered from the wire bundle of the copper electric wires 110 and the aluminum electric wires 120.

[0050] [Other embodiments] In the first embodiment described above, a case has been described in which the binder 10 is applied that includes the winding sheet 11 of the flap 11b on which the notch 11c and the taper 11d are formed, but the present invention is not limited to this. As another embodiment, for example, depending on various conditions such as the number and size of the electric wires 110, 120, it is also possible to apply a binder that includes a winding sheet of the flap that omits the notch 11c and the taper 11d.

[0051] However, as in the first embodiment described above, a binder 10 having a wrapping sheet 11 for flaps 11b formed with notches 11c and tapers 11d is highly preferable because it makes it easier to insert flaps 11b into slits 11a and also makes it possible to reliably fix and hold flaps 11b inserted into slits 11a.

[0052] In the second embodiment described above, the application of the fastener 20 having the binding band 23 as the fastening means is described, but the present invention is not limited to this. As another embodiment, for example, a fastener having a hook-and-loop fastener as the fastening means can also be applied.

[0053] Furthermore, in the above-described embodiment, the application of the ties 10, 20 was described, which include fastening members 12, 22 formed so that the edge ends 12aa, 22aa of the slits 12a, 22a face inward and are inclined with respect to the axial direction of the electric wires 110, 120. However, the present invention is not limited to this. As another embodiment, for example, it is also possible to use a tying device having a fastening member with a barb protruding along the edge on the inner surface near the slit.

[0054] In other words, as long as the fastener has a notch formed in a shape or structure that can prevent the wire inserted inside from slipping out to the outside, the same effect as in the above-mentioned embodiment can be obtained.

[0055] In the above-described embodiment, the copper electric wire 110 and the aluminum electric wire 120 are separated by restraining the aluminum electric wire 120 with the fastening members 12, 22, but the present invention is not limited to this. As another embodiment, for example, it is also possible to apply a partition member that is provided on the inner surface of the winding sheet and intervenes between the copper electric wire 110 and the aluminum electric wire 120 so as to separate them.

[0056] However, the fastening members 12, 22 as in the above-described embodiment are highly preferable because when separating the copper electric wire 110 and the aluminum electric wire 120, the copper electric wire 110 can be easily separated from the aluminum electric wire 120 by simply pulling out the copper electric wire 110 from the winding sheets 11, 21.

[0057] In the above-described embodiment, the copper electric wire 110 and the aluminum electric wire 120 are separated by inserting the aluminum electric wire 120 into the fastening members 12, 22, but the present invention is not limited to this. In another embodiment, for example, the copper electric wire 110 and the aluminum electric wire 120 can be separated by inserting the copper electric wire 110 into the fastening members 12, 22.

[0058] In the above-described embodiment, the wire harness 100 is described as being made of an electric wire bundle in which the copper electric wires 110 and the aluminum electric wires 120 are bundled together, but the present invention is not limited to this. In the case of an electric wire bundle in which a first electric wire having a core wire made of a first metal material and a second electric wire having a core wire made of a second metal material are bundled together, the same effects as those in the above-described embodiment can be obtained.

[0059] The wire harness can be applied not only to a straight bundle of electric wires with connectors or the like connected to both ends thereof, but also to a bundle of electric wires that branches out into multiple branches along the way and has connectors or the like connected to each end thereof. [Industrial Applicability]

[0060] The binder of the present invention and the wire bundle and wire harness using the binder can be easily separated and recovered into the first metal material and the second metal material, and therefore can be used extremely advantageously in various industries including the automotive industry. [Explanation of symbols]

[0061] 10 Binding tool 11 Winding sheet 11a Slit 11b Flap 11c notch 11d tapered 12 Fastening member 12a notch 12aa edge 20 Binding tool 21 Winding sheet 22 Fastening member 22a notch 22aa edge 23 Cable ties 100 Wire Harness 110 Copper wire 111 Core wire 112 Insulating layer 120 Aluminum Electric Wire 121 Core Wire 122 Insulating layer 130 Connector

Claims

1. A binder for bundling a first electric wire having a core wire made of a first metal material and a second electric wire having a core wire made of a second metal material, a winding sheet that surrounds the first electric wire and the second electric wire so as to bundle them together; a partition member provided on an inner surface of the winding sheet surrounding the first electric wire and the second electric wire, the partition member being interposed between the first electric wire and the second electric wire so as to separate the first electric wire and the second electric wire; a fixing and holding means for fixing and holding the winding sheet that bundles the first electric wire and the second electric wire; A binding device characterized by comprising:

2. The fixing and holding means is a slit formed on one end side of the winding sheet, the slit being located in a radial direction of the surrounded first electric wire and the second electric wire, and extending in a longitudinal direction along an edge of the one end; a flap formed on the other end side of the winding sheet, the other end being positioned in a radial direction of the surrounded first electric wire and the second electric wire, and capable of being inserted into the slit so as to be held therein; The closure according to claim 1, further comprising:

3. The fixing means is a cable tie or a hook-and-loop fastener. The binder according to claim 1 .

4. The partition member is a fastening member that surrounds and restrains the first electric wire or the second electric wire and has a notch formed therein that allows the first electric wire or the second electric wire to be inserted; The binder according to claim 1 .

5. the first electric wire is a copper electric wire in which the first metal material is copper or a copper alloy; The second electric wire is an aluminum electric wire in which the second metal material is aluminum or an aluminum alloy. The binder according to claim 1 .

6. the first electric wire; the second electric wire; The binder according to any one of claims 1 to 5, which bundles the first electric wire and the second electric wire; A wire bundle comprising:

7. the first electric wire; the second electric wire; a connector connected to an end of the first electric wire and the second electric wire; The binder according to any one of claims 1 to 5, which bundles the first electric wire and the second electric wire; A wire harness comprising:

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