Electric wire binding tape member
The tape member with alternating convex and concave portions addresses the flexibility and wrapping challenges of conventional tape members by conforming to wire bundles, ensuring flexibility and maintaining the wrapped state without multiple wraps.
Patent Information
- Application Number
- JP2024020349
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-02-14
- Publication Date
- 2025-08-26
AI Technical Summary
Conventional wire bundling tape members either reduce flexibility due to overlapping edges or fail to maintain the wrapped state when bent, necessitating multiple wraps and complicating the wrapping process, especially in vehicle wire harnesses.
A tape member with alternating convex and concave portions along its axis, allowing it to conform to the wire bundle without overlapping, ensuring flexibility and maintaining the wrapped state without multiple wraps.
The tape member provides flexibility and ease of wrapping by conforming to bends in the wire bundle, preventing peeling and reducing the need for multiple wraps, thereby improving workability.
Smart Images
Figure 2025124356000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to a tape member for bundling electric wires. [Background technology]
[0002] A wire bundling tape member is a tape member with an adhesive surface that is wound around a plurality of electric wires to bind the plurality of electric wires together. Known examples of such wire bundling tape members include rectangular sheet-shaped members that can be wrapped around a bundle of electric wires from one long edge in the circumferential direction. For example, when this conventional wire bundling tape member is wrapped around a bundle of electric wires with one long edge overlapping the other long edge, the overlapping edges of the tape member overlap along the longitudinal direction of the bundle of electric wires, increasing the rigidity at that portion, which may reduce the flexibility of the bundle of electric wires. On the other hand, when this conventional wire bundling tape member is wrapped around a bundle of electric wires once around the bundle of electric wires with the long edges butted together, the flexibility of the bundle of electric wires can be ensured. However, when the bundle of electric wires is bent, the tape may peel off at the butted portion of the long edges, potentially making it impossible to maintain the state of wrapping around the bundle of electric wires. Therefore, conventionally, a tape member for bundling electric wires has been known that is strip-shaped and spirally wrapped around a bundle of electric wires with a predetermined amount of overlap in order to maintain the wrapped state around the bundle of electric wires and ensure the flexibility of the bundle of electric wires (see Patent Documents 1 and 2 below). [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Japanese Patent Application Publication No. 2023-068491 [Patent Document 2] Japanese Patent Application Laid-Open No. 2008-120415 Summary of the Invention [Problem to be solved by the invention]
[0004] However, this conventional wire bundling tape member needs to be wrapped around a bundle of electric wires multiple times. In particular, in a wire harness for a vehicle such as an automobile, there are multiple locations where the wire bundle needs to be wrapped with the wire bundling tape member, and there are also locations where a long bundle of electric wires needs to be wrapped with the wire bundling tape member multiple times. Therefore, there is a demand for improved workability in wrapping the wire bundling tape member.
[0005] SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a tape member for bundling electric wires that is flexible and easy to work with while maintaining the wound state. [Means for solving the problem]
[0006] The present invention provides a tape having a tape body for tying and bundling a plurality of electric wires together, and an adhesive portion having adhesiveness on an adhesive surface of the tape body, wherein the tape body has a base shaft portion that is aligned with the axis of an electric wire bundle obtained by bundling the plurality of electric wires, a first uneven portion provided on one side of the base shaft portion in a direction perpendicular to the base shaft, and a second uneven portion provided on the other side of the base shaft in the direction perpendicular to the base shaft, and the first uneven portion has a convex portion that protrudes from the base shaft by an amount corresponding to the circumferential length of the electric wire bundle, and a concave portion that is formed in the same shape as the convex portion, and the first uneven portion is aligned along the base shaft. the second concave-convex portion has convex portions that are formed in the same shape as the convex portions of the first concave-convex portion, that protrude from the base axis by a circumferential length of the electric wire bundle, and that are fitted into the concave portions of the first concave-convex portion in a state in which the second concave-convex portion is wound around the electric wire bundle together with the first concave-convex portion; and concave portions that are formed in the same shape as the concave portions of the first concave-convex portion, and that are fitted into the convex portions of the first concave-convex portion in a state in which the second concave-convex portion is wound around the electric wire bundle together with the first concave-convex portion. These convex portions are arranged alternately along the base axis. [Effects of the Invention]
[0007] The wire bundling tape element according to the present invention can eliminate overlapping portions of the tape when wound around a bundle of electric wires, thereby ensuring the flexibility of the wire bundle. Furthermore, when wound around a bundle of electric wires, the boundary between the convex portions of the first concave-convex portion and the convex portion of the second concave-convex portion intersects with the axis of the bundle of electric wires in the circumferential direction of the bundle of electric wires, allowing the wire bundling tape element to conform to the bent bundle of electric wires. Therefore, the wire bundling tape element can prevent tape peeling and maintain the state of wrapping around the bundle of electric wires. Furthermore, the wire bundling tape element according to the present invention does not require wrapping around the bundle of electric wires multiple times as with conventional wire bundling tape elements, thereby improving the workability of winding the wire bundle. As described above, the wire bundling tape element according to the present invention can achieve both flexibility of the wire bundle and ease of winding around the bundle of electric wires while maintaining the state of wrapping around the bundle of electric wires. [Brief explanation of the drawings]
[0008] [Figure 1] FIG. 1 is a plan view showing an expanded state of a tape member for bundling electric wires according to an embodiment. [Figure 2] FIG. 2 is a plan view showing a state in which the electric wire bundling tape member of the embodiment is wound. [Figure 3] FIG. 3 is a plan view showing the wire bundling tape member of the first modification in an expanded state. [Figure 4] FIG. 4 is a plan view showing a wound state of the electric wire bundling tape member of the first modification. [Figure 5] FIG. 5 is a plan view showing the unfolded state of the wire bundling tape member of the second modification. [Figure 6] FIG. 6 is a plan view showing a wound state of the electric wire bundling tape member of the second modification. DETAILED DESCRIPTION OF THE INVENTION
[0009] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the tape member for bundling electric wires according to the present invention will be described in detail below with reference to the accompanying drawings. However, the present invention is not limited to these embodiments.
[0010] [Embodiment] One embodiment of the tape member for bundling electric wires according to the present invention will be described with reference to FIGS. 1 and 2. FIG.
[0011] 1 and 2, reference numeral 1 denotes a tape member for bundling electric wires according to this embodiment. This tape member for bundling electric wires 1 is a tape member that is wrapped around a plurality of electric wires to tie and bundle the plurality of electric wires together, and is used, for example, in a wire harness for a vehicle such as an automobile.
[0012] The wire bundling tape member 1 has a tape body 10 that ties and bundles a plurality of electric wires together (FIGS. 1 and 2). The tape body 10 is formed, for example, in a sheet shape from PVC (polyvinyl chloride). Specifically, the tape body 10 has a base shaft portion 11 that is aligned with the axis of an electric wire bundle Web formed by bundling a plurality of electric wires, a first uneven portion 20 provided on one side of the base shaft portion 11 in a direction perpendicular to the base shaft 11a, and a second uneven portion 30 provided on the other side in the direction perpendicular to the base shaft 11a (FIGS. 1 and 2).
[0013] In the first uneven portion 20, convex portions 21 protruding from the base axis 11a by the circumferential length La of the electric wire bundle Web and concave portions 22 formed in the same shape as the convex portions 21 are alternately arranged along the base axis 11a (FIGS. 1 and 2). In the second uneven portion 30, convex portions 31 formed in the same shape as the convex portions 21 of the first uneven portion 20, protruding from the base axis 11a by the circumferential length La of the electric wire bundle Web, and fitted into the concave portions 22 of the first uneven portion 20 in a state where the second uneven portion 30 is wound around the electric wire bundle Web together with the first uneven portion 20, and concave portions 32 formed in the same shape as the concave portions 22 of the first uneven portion 20, and fitted into the convex portions 21 of the first uneven portion 20 in a state where the second uneven portion 30 is wound around the electric wire bundle Web together with the first uneven portion 20 are alternately arranged along the base axis 11a (FIGS. 1 and 2).
[0014] In this embodiment, the convex portions 21, 31 of the first concave-convex portion 20 and the second concave-convex portion 30 are formed in a triangle with the base on the base axis portion 11 side ( FIG. 1 ). The base of each of the convex portions 21, 31 is aligned with the base axis 11a. The concave portions 22 of the first concave-convex portion 20 are formed in a triangle with a base that is connected to a vertex located in the height direction of the convex portion 21 and aligned with the base axis 11a ( FIG. 1 ). The concave portions 32 of the second concave-convex portion 30 are formed in a triangle with a base that is connected to a vertex located in the height direction of the convex portion 31 and aligned with the base axis 11a ( FIG. 1 ). For example, each of the convex portions 21, 31 is formed in an isosceles triangle ( FIG. 1 ). In this case, each of the concave portions 22, 32 is formed in an isosceles triangle with the same shape as the convex portions 21, 31 ( FIG. 1 ). Also, for example, each of the convex portions 21, 31 is formed in an equilateral triangle. In this case, each of the recesses 22 and 32 is formed in the same shape as the corresponding protrusions 21 and 31, that is, an equilateral triangle.
[0015] The protruding portions 21, 31 of the first concave-convex portion 20 and the second concave-convex portion 30 shown here have their bases aligned with the position of the base axis 11a. Therefore, the recessed portions 22, 32 of the first concave-convex portion 20 and the second concave-convex portion 30 shown here have their vertices located in the height direction aligned with the position of the base axis 11a.
[0016] The wire bundling tape member 1 formed in this manner has a shape that resembles a strip of tape shaped into a zigzag pattern, and the width of the strip is narrow (for example, 19 mm) to increase the flexibility of the wire bundle Web.
[0017] In the second concave-convex portion 30 of the tape body 10 shown here, the convex portions 31 at both ends in the extending direction of the base axis 11a are divided into two in the extending direction.
[0018] The wire bundling tape member 1 has an adhesive portion 40 that is made adhesive on the adhesive surface of the tape body 10 (FIG. 1). In the wire bundling tape member 1, an adhesive is applied to the entire adhesive surface of the tape body 10, for example, by coating, thereby forming the adhesive portion 40 on the adhesive surface of the tape body 10.
[0019] In addition, in this wire bundling tape member 1, a release paper (not shown) is attached to the adhesive surface of the tape body 10. When this wire bundling tape member 1 is wound around a plurality of electric wires, the release paper is peeled off to expose the adhesive portion 40. The wire bundling tape member 1 shown here includes a first release paper attached to the adhesive surface of the first uneven portion 20 starting from the base axis 11a, and a second release paper attached to the adhesive surface of the second uneven portion 30 starting from the base axis 11a. For example, in this wire bundling tape member 1, only the first release paper is peeled off and the first uneven portion 20 is wound around the wire bundle web, and then the second release paper is peeled off and the second uneven portion 30 is wound around the wire bundle web.
[0020] When the electric wire bundling tape member 1 of this embodiment is wound around the electric wire bundle web, there are no overlapping portions of the tape, so that the flexibility of the electric wire bundle web can be ensured.
[0021] Furthermore, when the wire bundling tape member 1 of this embodiment is wound around the wire bundle Web, the boundaries between the convex portions 21 of the first concave-convex portion 20 and the convex portions 31 of the second concave-convex portion 30 intersect with the axis of the wire bundle Web in the circumferential direction of the wire bundle Web, so that the wire bundling tape member 1 can follow the bent wire bundle Web. Therefore, the wire bundling tape member 1 can prevent tape peeling and maintain the state of being wound around the wire bundle Web.
[0022] Furthermore, the wire bundling tape member 1 of this embodiment does not need to be wound around the wire bundle web many times as in conventional ones, and therefore the workability of winding around the wire bundle web can be improved.
[0023] As described above, the wire bundling tape member 1 of this embodiment can maintain the state of being wound around the wire bundle web while achieving both flexibility of the wire bundle web and workability in winding the wire bundle web.
[0024] [Variation 1] The wire bundling tape member of this modified example is designated by the reference numeral 2 in Figures 3 and 4. This wire bundling tape member 2 has a tape body 110, an adhesive portion 140, a first release paper, and a second release paper, similar to the wire bundling tape member 1 of the above-described embodiment (Figures 3 and 4).
[0025] The tape body 110 of this modified example, like the tape body 10 of the above-described embodiment, has a base axis portion 111 having a base axis 111a that is aligned with the axis of the wire bundle Web, a first uneven portion 120 provided on one side of the base axis 111a in a direction perpendicular to the base axis 111a, and a second uneven portion 130 provided on the other side of the base axis 111a in the direction perpendicular to the base axis 111a (Figures 3 and 4).
[0026] The first uneven portion 120 of this modified example has convex portions 121 and concave portions 122 of the same shape that are alternately arranged along the base axis 111a, similar to the first uneven portion 20 of the previously described embodiment (FIGS. 3 and 4). The second uneven portion 130 of this modified example has convex portions 131 and concave portions 132 of the same shape that are alternately arranged along the base axis 111a, similar to the second uneven portion 30 of the previously described embodiment (FIGS. 3 and 4).
[0027] Each of the protrusions 121, 131 is formed in a triangular shape (an isosceles triangle in this example) similar to the protrusions 21, 31 of the embodiment. However, in each of the protrusions 121, 131 of this modification, fillet processing is applied to the vertices located in the height direction of each of the protrusions 21, 31 of the embodiment. Also, each of the recesses 122, 132 is formed in a triangular shape (an isosceles triangle in this example) similar to the recesses 22, 32 of the embodiment. However, in each of the recesses 122, 132 of this modification, fillet processing is applied to the vertices located in the height direction of each of the recesses 22, 32 of the embodiment.
[0028] In this modification as well, when the wire bundling tape member 2 is wound around the wire bundle web, there are no overlapping portions of the tape, so that the flexibility of the wire bundle web can be ensured.
[0029] Furthermore, in this modification, when the wire bundling tape member 2 is wound around the wire bundle Web, the boundary between the convex portion 121 of the first uneven portion 120 and the convex portion 131 of the second uneven portion 130 intersects with the axis of the wire bundle Web in the circumferential direction of the wire bundle Web, so that the wire bundling tape member 2 can follow the bent wire bundle Web. Therefore, the wire bundling tape member 2 of this modification can prevent tape peeling and maintain the state of being wound around the wire bundle Web.
[0030] Furthermore, in this modified example, the wire binding tape member 2 does not need to be wrapped around the wire bundle web multiple times as in the conventional case, thereby improving the workability of wrapping around the wire bundle web.
[0031] As described above, the wire bundling tape element 2 of this modified example, like the wire bundling tape element 1 of the embodiment, can maintain the state of being wound around the wire bundle web while achieving both flexibility of the wire bundle web and workability in winding the wire bundle web.
[0032] [Variation 2] The wire bundling tape member 2 of this modified example is designated by the reference numeral 3 in Figures 5 and 6. Similar to the wire bundling tape member 1 of the above-described embodiment, this wire bundling tape member 2 has a tape body 210, an adhesive portion 240, a first release paper, and a second release paper (Figures 5 and 6).
[0033] The tape body 210 of this modified example, like the tape body 10 of the above-described embodiment, has a base axis portion 211 having a base axis 211a that is aligned with the axis of the wire bundle Web, a first uneven portion 220 provided on one side of the base axis 211a in a direction perpendicular to the base axis 211a, and a second uneven portion 230 provided on the other side of the base axis 211a in the direction perpendicular to the base axis 211a (Figures 5 and 6).
[0034] The first uneven portion 220 of this modified example has convex portions 221 and concave portions 222 of the same shape that are alternately arranged along the base axis 211a, similar to the first uneven portion 20 of the previously described embodiment (FIGS. 5 and 6). Moreover, the second uneven portion 230 of this modified example has convex portions 231 and concave portions 232 of the same shape that are alternately arranged along the base axis 211a, similar to the second uneven portion 30 of the previously described embodiment (FIGS. 5 and 6).
[0035] In this modified example, the convex portions 221, 231 of the first concave-convex portion 220 and the second concave-convex portion 230 are each formed in a quadrangle with one of their four sides facing the base shaft portion 211 (FIG. 5). The concave portions 222, 232 of the first concave-convex portion 220 and the second concave-convex portion 230 are each formed in a quadrangle with one of their four sides facing the base shaft portion 211 (FIG. 5). These quadrangles are, for example, rectangles, parallelograms, etc.
[0036] Here, it is desirable that the rectangles forming the respective convex portions 221, 231 and the respective concave portions 222, 232 have their short sides facing the base shaft portion 211 in order to increase the flexibility of the electric wire bundle Web at each position. For example, each of the convex portions 221, 231 is formed into a rectangular shape with one short side facing the base shaft portion 211 and the long side aligned in the direction perpendicular to the base shaft 211a (FIG. 5). In this case, each of the concave portions 222, 232 is formed into a rectangular shape having the same shape as the convex portions 221, 231 (FIG. 5). Also, for example, each of the convex portions 221, 231 is formed into a parallelogram with one short side facing the base shaft portion 211. In this case, each of the concave portions 222, 232 is formed into a parallelogram with the same shape as the convex portions 221, 231.
[0037] In this modification as well, when the wire bundling tape member 3 is wound around the wire bundle web, there are no overlapping portions of the tape, so that the flexibility of the wire bundle web can be ensured.
[0038] Furthermore, in this modification, when the wire bundling tape member 3 is wound around the wire bundle Web, the boundary between the convex portion 221 of the first uneven portion 220 and the convex portion 231 of the second uneven portion 230 intersects with the axis of the wire bundle Web in the circumferential direction of the wire bundle Web, so that the wire bundling tape member 3 can follow the bent wire bundle Web. Therefore, the wire bundling tape member 3 of this modification can prevent tape peeling and maintain the state of being wound around the wire bundle Web.
[0039] Furthermore, in this modified example, the wire binding tape member 3 does not need to be wrapped around the wire bundle web multiple times as in the conventional case, which improves the workability of wrapping around the wire bundle web.
[0040] As described above, the wire bundling tape member 3 of this modified example, like the wire bundling tape member 1 of the embodiment, can maintain the wound state around the wire bundle web while achieving both flexibility of the wire bundle web and ease of winding around the wire bundle web. [Explanation of symbols]
[0041] 1, 2, 3 Tape components for bundling electric wires 10,110,210 Tape body 11,111,211 Base part 11a, 111a, 211a axis 20,120,220 1st uneven part 21,121,221 convex part 22,122,222 recess 30,130,230 Second uneven part 31,131,231 Convex part 32,132,232 recess 40,140,240 Adhesive part La Circumferential length Web wire bundle
Claims
1. a tape body for bundling a plurality of electric wires together; an adhesive portion having adhesiveness on the adhesive surface of the tape body; and the tape body has a base shaft portion that is aligned with an axis of an electric wire bundle obtained by bundling a plurality of the electric wires, a first uneven portion provided on one side of the base shaft portion in a direction perpendicular to the base axis of the base shaft portion, and a second uneven portion provided on the other side of the base shaft portion in the direction perpendicular to the base axis, In the first concave-convex portion, convex portions protruding from the base axis by a circumferential length of the electric wire bundle and concave portions formed in the same shape as the convex portions are alternately arranged along the base axis, the second uneven portion has convex portions that are formed in the same shape as the convex portions of the first uneven portion, that protrude from the base axis by an amount corresponding to the circumferential length of the electric wire bundle, and that fit into the concave portions of the first uneven portion when the electric wire bundle is wound together with the first uneven portion; and concave portions that are formed in the same shape as the concave portions of the first uneven portion, and that fit into the convex portions of the first uneven portion when the electric wire bundle is wound together with the first uneven portion, and are arranged alternately along the base axis.
2. The tape member for bundling electric wires according to claim 1 , wherein the convex portions of the first uneven portion and the second uneven portion are formed in a triangular shape with the base portion as a base.
3. 2. The tape member for bundling electric wires according to claim 1, wherein the convex portions of the first uneven portion and the second uneven portion are formed in a quadrangle with one of four sides provided on the base shaft portion side.
4. The tape member for bundling electric wires according to claim 3, wherein the rectangular shape has a shorter side on the side of the base shaft portion.
Citation Information
Patent Citations
Tape material for wire harness bundling
JP2008120415A
Wire harness
JP2023068491A