Electric wire with clamp and electric wire member

Abstract

To provide an electric wire with clamp, which can suppress misalignment and rattling.SOLUTION: An electric wire with clamp 10 includes: an electric wire 21 having a core wire 21a and an insulation coating 21b covering the core wire 21a; an integral forming part 22 which has a spherical part 22a and is integrally formed in the insulation coating 21b; and a clamp 30 which rotatably holds the spherical part 22a.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present disclosure relates to a wire with a clamp and a wire member.

Background Art

[0002] Conventionally, as a structure for fixing a wire to a vehicle or the like, there is one in which a spherical member is attached to the outer periphery of a corrugated tube that houses the wire, and the spherical member is rotatably held by a fixture body fixed to the vehicle (see, for example, Patent Document 1). With such a configuration, since the wire is allowed to freely tilt together with the spherical member with respect to the fixture body, local stress is applied to the wire or the fixture body when the wire is routed or when the routed wire vibrates. This kind of situation is suppressed.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, with the above-described configuration, there is a risk that the position of the spherical member with respect to the corrugated tube may shift in the extending direction of the corrugated tube, or the spherical member may rattle with respect to the corrugated tube.

[0005] An object of the present disclosure is to provide a wire with a clamp and a wire member capable of suppressing displacement and rattling.

Means for Solving the Problems

[0006] The wire with a clamp of the present disclosure includes a wire having a core wire and an insulating coating that covers the core wire, an integrally formed portion having a spherical portion and integrally formed with the insulating coating, and a clamp that rotatably holds the spherical portion. [Advantages of the Invention]

[0007] According to the clamped electric wire and the wire member of the present disclosure, displacement and rattling can be suppressed. [Brief Description of the Drawings]

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

[0009] [Description of Embodiments of the Present Disclosure] First, embodiments of the present disclosure will be listed and described. The clamped electric wire of the present disclosure [1] includes an electric wire having a core wire and an insulating coating covering the core wire, an integrally formed portion having a spherical portion and integrally formed with the insulating coating, and a clamp for rotatably holding the spherical portion.

[0010] According to the same configuration, since the electric wire is allowed to freely tilt with the spherical portion with respect to the clamp, when the electric wire is routed or when the routed electric wire vibrates, etc., it is possible to suppress the application of local stress to the electric wire or the clamp. And since the integrally formed portion having the spherical portion is integrally formed with the insulating coating, the position of the spherical portion with respect to the electric wire is strongly suppressed from shifting. Also, rattling of the spherical portion with respect to the electric wire is strongly suppressed. Therefore, for example, rubbing of the electric wire is suppressed. Also, for example, the generation of a collision sound based on rattling is suppressed.

[0011] [2] In the above [1], the integrally formed portion may be made of a resin material. According to the same configuration, since the integrally formed part is made of a resin material, it can be obtained easily and inexpensively.

[0012] [3] In the above [1], the integrally formed part may be made of rubber or elastomer. According to the same configuration, since the integrally formed part is made of rubber or elastomer, for example, it is possible to further suppress the occurrence of local stress on the electric wire and the clamp.

[0013] [4] In any one of the above [1] to the above [3], the integrally formed part has a cylindrical protective tube part that protrudes from the spherical part and covers the insulating coating, and the spherical part may be configured such that further rotation is restricted when the protective tube part abuts against the clamp.

[0014] According to the same configuration, the integrally formed part has a cylindrical protective tube part that protrudes from the spherical part and covers the insulating coating, and the spherical part is configured such that further rotation is restricted when the protective tube part abuts against the clamp, so that the electric wire is prevented from directly abutting against the clamp. Therefore, for example, damage to the insulating coating is suppressed.

[0015] [5] In the above [4], the insulating coating may be made of silicone rubber. According to the same configuration, since the insulating coating is made of silicone rubber and is flexible, for example, it becomes easier to bend the electric wire compared to the case where it is made of polyethylene. Also, although the insulating coating is made of silicone rubber and is easily damaged, the damage is effectively suppressed by the protective tube part.

[0016] The wire member of the present disclosure [6] includes an electric wire having a core wire and an insulating coating that covers the core wire, and an integrally formed part having a spherical part and integrally formed with the insulating coating.

[0017] According to the same configuration, by rotatably holding the spherical portion by the clamp, the wire is allowed to freely tilt together with the spherical portion with respect to the clamp. Therefore, when laying the wire or when the laid wire vibrates, it is possible to suppress the occurrence of local stress on the wire or the clamp. And since the integrally formed portion having the spherical portion is integrally formed with the insulating coating, the position of the spherical portion is strongly suppressed from shifting with respect to the wire. Also, rattling of the spherical portion with respect to the wire is strongly suppressed. Thus, for example, abrasion of the wire is suppressed. Also, for example, the generation of a collision sound due to rattling is suppressed.

[0018] [Details of Embodiments of the Present Disclosure] Specific examples of the present disclosure will be described below with reference to the drawings. In each drawing, for convenience of explanation, a part of the configuration may be shown exaggerated or simplified. Also, the dimensional ratios of each part may be different in each drawing. Further, the present invention is not limited to these examples, but is shown by the claims, and is intended to include all modifications within the meaning and scope equivalent to the claims.

[0019] (Configuration of the Wire with Clamp 10) As shown in FIG. 1, the wire with clamp 10 includes a wire member 20 and a clamp 30. The wire with clamp 10 of the present embodiment is attached to a vehicle 40 such as a hybrid vehicle or an electric vehicle, for example. The wire with clamp 10 is for electrically connecting in-vehicle devices such as a high-voltage battery, an inverter, and a charging inlet provided in the vehicle 40, for example.

[0020] (Configuration of the Wire Member 20) The wire member 20 includes a wire 21 and an integrally formed portion 22. The wire 21 has a core wire 21a and an insulating coating 21b. The wire 21 of the present embodiment is a high-voltage wire corresponding to high voltage and large current, for example.

[0021] The core wire 21a is, for example, a single-core wire composed of a columnar metal rod with a solid structure inside, or a stranded wire formed by twisting a plurality of metal strands. The core wire 21a may be, for example, a combination of a plurality of types of conductors such as a single-core wire and a stranded wire. As the material of the core wire 21a, for example, metal materials such as copper-based and aluminum-based are used.

[0022] The insulating coating 21b covers the outer peripheral surface of the core wire 21a over the entire circumference. The insulating coating 21b is made of an insulating material. Specifically, the insulating coating 21b of the present embodiment is made of silicone rubber.

[0023] (Configuration of the integrally formed part 22) As shown in FIGS. 2 and 3, the integrally formed part 22 is integrally formed with the insulating coating 21b. Specifically, the integrally formed part 22 is a secondary molded product formed with the electric wire 21 as an insert part. In other words, the electric wire member 20 is an integrally molded product in which the integrally formed part 22 is formed with the electric wire 21 as an insert part. The integrally formed part 22 of the present embodiment is made of a resin material. Further, the integrally formed part 22 of the present embodiment is provided at a plurality of locations in the extending direction of the electric wire 21 (see FIG. 1).

[0024] The integrally formed part 22 has a spherical part 22a and a protective cylinder part 22b. The outer surface of the spherical part 22a, except for the part through which the electric wire 21 passes, is a spherical surface. In other words, the spherical part 22a is formed in a shape in which a sphere is penetrated by the electric wire 21. The protective cylinder part 22b is formed in a cylindrical shape that covers the insulating coating 21b of the electric wire 21 while protruding from the spherical part 22a. The protective cylinder part 22b is provided for both of the electric wires 21 protruding from the spherical part 22a. That is, a pair of protective cylinder parts 22b are provided so as to protrude in opposite directions from the spherical part 22a.

[0025] (Configuration of the clamp 30) The clamp 30 rotatably holds the spherical portion 22a. Specifically, the clamp 30 has a pair of openings 30a on both sides and has a spherical surface support portion 30b that is in surface contact with the spherical portion 22a on the inner surface communicating the pair of openings 30a. The spherical surface support portion 30b allows the rotation of the spherical portion 22a while sandwiching and holding the spherical portion 22a. Further, as shown in FIG. 3, the spherical portion 22a is configured such that further rotation is restricted when the protective cylinder portion 22b abuts against the opening 30a of the clamp 30. In other words, the spherical portion 22a is allowed free rotation within a range where the protective cylinder portion 22b does not abut against the opening 30a of the clamp 30. The clamp 30 is constituted, for example, by assembling a pair of upper and lower divided parts, but a detailed description thereof is omitted and it is schematically illustrated in the drawing. The clamp 30 also has a mounting portion 30c. As shown in FIG. 1, the clamp 30 is attached to the vehicle 40 when the mounting portion 30c is fitted into a mounting hole or the like provided in the body of the vehicle 40, for example.

[0026] (Operation of the Embodiment) As shown in FIG. 1, the wire 10 with a clamp configured as described above is routed in a state where the wire 21 is bent according to the wiring space of the vehicle 40 or the like. At this time, the wire 21 is tilted with respect to the clamp 30 as necessary and is attached to the vehicle 40 via the clamp 30.

[0027] (Effect of the Embodiment) Next, the effects of the above embodiment will be described below. (1) Since the wire 21 is allowed to freely tilt together with the spherical portion 22a with respect to the clamp 30, it is possible to suppress the occurrence of local stress on the wire 21 or the clamp 30 when the wire 21 is routed or when the wire 21 vibrates after routing. And since the integrally formed portion 22 having the spherical portion 22a is integrally formed with the insulating coating 21b, the position of the spherical portion 22a with respect to the wire 21 is strongly suppressed from shifting. Also, rattling of the spherical portion 22a with respect to the wire 21 is strongly suppressed. Thus, for example, rubbing of the wire 21 is suppressed. Also, for example, the generation of a collision sound due to rattling is suppressed.

[0028] (2) Since the integrally formed portion 22 is made of a resin material, it can be obtained easily and inexpensively. (3) The integrally formed portion 22 has a cylindrical protective cylinder portion 22b that protrudes from the spherical portion 22a and covers the insulating coating 21b. The spherical portion 22a is restricted from further rotation when the protective cylinder portion 22b abuts against the clamp 30. Thus, the wire 21 is prevented from directly abutting against the clamp 30. In other words, the wire 21 is prevented from directly colliding with the clamp 30. Thus, for example, damage to the insulating coating 21b is suppressed.

[0029] (4) Since the insulating coating 21b is made of silicone rubber and is flexible, the wire 21 is easier to bend, for example, compared to the case where it is made of polyethylene. Also, although the insulating coating 21b is made of silicone rubber and is easily damaged, the damage is effectively suppressed by the protective cylinder portion 22b.

[0030] (Modification example) The above-described embodiment can be implemented with the following modifications. The above-described embodiment and the following modification examples can be implemented in combination with each other within a technically non-conflicting range.

[0031] · In the above-described embodiment, the integrally formed part 22 is made of a resin material, but it is not limited thereto. For example, as shown in FIG. 4, it may be changed. The integrally formed part 23 in this example is made of rubber or elastomer. The integrally formed part 23 in this example has a spherical part 23a and a protective cylinder part 23b, similar to the integrally formed part 22 of the above-described embodiment. By doing so, for example, it is possible to further suppress the occurrence of local stress on the electric wire 21 and the clamp 30.

[0032] · In the above-described embodiment, the integrally formed part 22 has a cylindrical protective cylinder part 22b that protrudes from the spherical part 22a and covers the insulating coating 21b, but it is not limited thereto. For example, it may be configured not to have the protective cylinder part 22b.

[0033] · In the above-described embodiment, a pair of protective cylinder parts 22b are provided so as to protrude in the opposite direction from the spherical part 22a, but it is not limited thereto. For example, it may be configured to be provided only on either one of them.

[0034] · In the above-described embodiment, the insulating coating 21b is made of silicone rubber, but it is not limited thereto. For example, the insulating coating 21b may be made of a synthetic resin such as polyethylene.

[0035] · In the above-described embodiment, a part of the insulating coating 21b at the site where the integrally formed part 22 is integrally formed may be peeled off. That is, the integrally formed part 22 may be integrally formed on the insulating coating 21b and may be provided so as to directly cover a part of the core wire 21a exposed from the insulating coating 21b.

[0036] · In the above-described embodiment, the clamp 30 has a spherical surface support part 30b that is in surface contact with the spherical part 22a, but it is not limited thereto. As long as the spherical part 22a can be rotatably held, the spherical surface support part 30b may be changed to another shape.

Explanation of Reference Numerals

[0037] 10 Electric wire with clamp 20 Electric wire member 21 Electric wire 21a Core wire 21b Insulation coating 22 Integrally formed part 22a Spherical part 22b Protective cylinder part 23 Integrally formed part 23a Spherical part 23b Protective cylinder part 30 Clamp 30a Opening 30b Spherical support part 30c Mounting part 40 Vehicle

Claims

1. A wire having a core wire and an insulating coating covering the core wire, An integrally formed part having a spherical part and integrally formed with the insulating coating, A clamp for rotatably holding the spherical part, A wire with a clamp, comprising the above.

2. The integrally formed part is made of a resin material, The wire with a clamp according to Claim 1.

3. The integrally formed part is made of rubber or elastomer, The wire with a clamp according to Claim 1.

4. The integrally formed part has a cylindrical protective tube part that protrudes from the spherical part and covers the insulating coating, The spherical part is restricted from further rotation when the protective tube part abuts against the clamp, The wire with a clamp according to Claim 1.

5. The insulating coating is made of silicone rubber, The wire with a clamp according to Claim 4.

6. A wire member having a core wire and an insulating coating covering the core wire, An integrally formed part having a spherical part and integrally formed with the insulating coating, Comprising the above.

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