JP2019149858A - Auxiliary tool for electric wire anchoring - Google Patents

Abstract

To provide an auxiliary tool for electric wire anchoring further improved in workability of winding a flexible wire-like body such as an anchoring loop around a small-diameter part of an insulator.SOLUTION: An auxiliary tool 1 for electric wire anchoring comprises: at least one engaging part 3 or 5 with an inner peripheral surface structured to be engageable with a small diameter part 85A of an insulator 85; an opening formed at a part of the engaging part and structured to allow insertion of the small diameter part from an outer circumference of the engaging part to a position engaged with an inner peripheral surface by communicating the outer circumference with the inner peripheral surface of the engaging part; at least one support part 11 or 15 structured to support a wire-like body in a wound state on the inner peripheral surface of the engaging part; and at least one guide part 7, 9, 17 or 19 structured to guide the engaging part moving to approach the insulator to an engaging position of the inner peripheral surface with the small diameter part.SELECTED DRAWING: Figure 3

Description

  The present disclosure relates to an electric wire retention aid that assists the work of winding a flexible linear body for electric wire retention around an insulator.

  Conventionally, an electric wire is fastened to a lever attached to a metal arm of a power pole through a bolt or the like using a retainer as described in Patent Document 1, for example, and a desired tension is applied between the power poles. It is considered to be erected. In the retractor described in Patent Document 1, spiral strands are connected to both ends of a U-shaped retaining loop. For this reason, if two strands of wire are entangled on the outer periphery of the conductor part from which the coating of the electric wire is stripped and the conductor part is held inside the entangled strand of wire, the electric wire can be retained on the retainer. If the retaining loop is wound around the small-diameter portion of the insulator and the electric wire is tensioned, and the electric wire is held by the bundle of wires, the electric wire can be retained on the insulator.

Japanese Patent No. 3054991

  However, when the retaining loop comes into contact with a metal fitting or the like that supports the insulator, electric leakage may occur from the metal fitting. For this reason, the operation of winding the retaining loop around the small diameter portion of the insulator does not cause the retaining loop to come off from the small diameter portion of the insulator and come into contact with the metal fittings, and so that the construction is not performed with the retaining loop detached from the small diameter portion of the insulator. Need to be done carefully.

  In one aspect of the present disclosure, it is desirable to provide an electric wire retention aid that can further improve the workability of the work of winding a flexible linear body such as a retention loop around a small diameter portion of an insulator.

  An auxiliary tool for wire retention as one aspect of the present disclosure includes a pair of large diameter portions and a small diameter portion provided between the pair of large diameter portions and having a smaller diameter than any of the pair of large diameter portions. The small-diameter portion can be used for an insulator configured to be able to wind a flexible linear body for electric wire retention. Further, the wire retaining aid includes at least one engaging portion, an opening, at least one support portion, and at least one guide portion.

  The engaging portion is configured such that an inner peripheral surface can be engaged with the small diameter portion. The opening is formed at a part of the engaging portion, and is engaged with the inner peripheral surface from the outer peripheral side of the engaging portion by communicating the outer periphery of the engaging portion and the inner peripheral surface. The small diameter portion can be inserted up to. The support portion is configured to support the linear body in a state of being wound around the inner peripheral surface of the engagement portion. The guide portion is configured to guide the engaging portion that moves so as to be close to the insulator to a position where the inner peripheral surface engages with the small diameter portion.

  According to such a structure, the said small diameter part can be engaged with the internal peripheral surface of an engaging part by inserting the small diameter part of an insulator from an opening part. When the operator inserts the small-diameter portion from the opening in this manner, the operator can support the linear body in a state wound around the inner peripheral surface of the engaging portion via the support portion. By doing so, when the small-diameter portion of the insulator is engaged with the inner peripheral surface of the engaging portion, the linear body is in a state similar to that wound around the small-diameter portion of the insulator. Further, in order to insert the small-diameter portion from the opening portion in such a manner, when the operator moves the engaging portion so as to be close to the insulator from the radially outer side of the small-diameter portion, the guide portion is moved inside the engaging portion. The moving engaging portion is guided to a position where the peripheral surface engages with the small diameter portion.

  For this reason, the operator can engage the inner peripheral surface of the engaging portion with the small diameter portion of the insulator by guiding the engaging portion by the guide portion without moving the engaging portion so accurately. Can do. When the small-diameter portion of the insulator is engaged with the inner peripheral surface of the engaging portion, the linear body is in a state similar to that wound around the small-diameter portion of the insulator as described above. Therefore, the workability of the work of winding the flexible linear body around the small diameter part of the insulator may be further improved.

  In the electric wire retention aid according to the present disclosure, the guide portion is provided at an end portion of the engagement portion on the opening portion side, and slides in contact with at least one of the large-diameter portions of the insulator. A slope configured to guide the opening toward the small diameter portion of the insulator may be provided. In such a configuration, when the engaging portion is moved so as to be close to the insulator, when the inclined surface comes into contact with the large diameter portion of the insulator, the stress applied to the inclined surface due to the contact is reduced to the component force along the inclined surface. Accordingly, when the inclined surface slides with respect to the large diameter portion, the guide portion guides the opening portion toward the small diameter portion of the insulator. For this reason, the said engaging part can be favorably guided to the position where the internal peripheral surface of an engaging part engages with a small diameter part. Therefore, the workability of the work of winding the flexible linear body around the small diameter part of the insulator may be further improved.

  Moreover, in the electric wire retention aid according to the present disclosure, the guide portion has a predetermined direction that is parallel to the axial direction of the insulator when the inner peripheral surface of the engagement portion is engaged with the small diameter portion. As described above, the opening is provided by protruding from the engagement portion in the predetermined direction, and restrains the engagement portion from approaching the metal fitting when it contacts the metal fitting supporting the insulator via a bolt. The part may be configured to suppress deviation from a position facing the small diameter part. In such a configuration, when the engaging portion is moved so as to be close to the insulator, the engaging portion is inclined, and when the guide portion provided in the predetermined direction comes into contact with the metal fitting, The guide portion suppresses the opening portion from deviating from the position facing the small diameter portion by suppressing the engagement portion from approaching the metal fitting. For this reason, the said engaging part can be favorably guided to the position where the internal peripheral surface of an engaging part engages with a small diameter part. Therefore, the workability of the work of winding the flexible linear body around the small diameter part of the insulator may be further improved.

  In this case, the guide portion that protrudes in the predetermined direction is configured to engage with at least one of the large-diameter portions of the insulator when the inner peripheral surface engages with the small-diameter portion. May be. In such a configuration, when the inner peripheral surface of the engaging portion is engaged with the small-diameter portion of the insulator, the guide portion that protrudes in the predetermined direction engages with at least one large-diameter portion of the insulator. For this reason, the state which the inner peripheral surface of the engaging part engaged with the small diameter part of the insulator can be maintained more stably. Therefore, the state in which the flexible linear body is wound around the small diameter portion of the insulator can be maintained more stably.

  Moreover, in the electric wire retention aid according to the present disclosure, the support portion includes at least one inner peripheral support portion configured to support the linear body from an inner peripheral side of the engagement portion, and the linear shape. You may provide at least 1 outer periphery support part comprised so that a body might be supported from the outer peripheral side of the said engaging part. In such a configuration, the linear body is supported from both the inner periphery side and the outer periphery side of the engagement portion by the inner periphery support portion and the outer periphery support portion. For this reason, a linear body is supported more favorably in the state wound around the inner peripheral surface of the engaging part. Therefore, as described above, during the operation of engaging the small-diameter portion of the insulator with the inner peripheral surface of the engaging portion with the linear body supported along the inner peripheral surface of the engaging portion via the support portion. The linear body can be prevented from coming off the engaging portion. Therefore, the workability of the work can be further improved. Further, even after the small-diameter portion of the insulator is engaged with the inner peripheral surface of the engaging portion, it is possible to further favorably prevent the linear body from being detached from the engaging portion by the support portion. Therefore, the linear body can be more satisfactorily maintained in the state of being wound around the small diameter portion of the insulator.

It is a perspective view showing the electric wire retention aid of embodiment. It is a perspective view showing the electric wire retention aid from another angle. It is a perspective view showing the state which the said auxiliary tool for wire retention engaged with the retention insulator. It is a top view showing the linear body used for the said auxiliary tool for wire retention. It is a side view showing the state which engaged the said linear body with the said retention insulator. It is a side view showing the effect of the guide part of the auxiliary tool for wire retention.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings.
[1. Embodiment]
[1-1. Constitution]
As shown in FIGS. 1 and 2, an electric wire retention aid (hereinafter referred to as “auxiliary tool”) 1 according to the embodiment includes an engagement portion 3, an engagement portion 5, two first guide portions 7, and two As provided with the second guide part 9, the two first support parts 11, the second support part 13, the two third support parts 15, the third guide part 17, and the fourth guide part 19, It is integrally molded with black resin.

  Both the engaging part 3 and the engaging part 5 are configured in a horseshoe-shaped plate shape, and are arranged in parallel by defining the interval in the plate thickness direction by the support parts 11 to 15. In the following description, using the right-handed orthogonal coordinates in which the direction from the engagement portion 5 to the engagement portion 3 in the plate thickness direction is the + Z direction and the direction in which the horseshoe is opened is the + X direction, It may indicate a positional relationship. However, such coordinates are set for convenience in order to explain the positional relationship of each part, and are not related to the posture and positional relationship when actually used. For example, the auxiliary tool 1 may be used with the + Z direction facing up, may be used with the + Y direction facing up, or may be used in other postures.

  The interval between the two end portions 3A and 3A of the engaging portion 3 is formed slightly smaller than the diameter (that is, the inner diameter) of the inner peripheral surface 3B of the engaging portion 3. Similarly, the interval between the two end portions 5A and 5A of the engaging portion 5 is formed slightly smaller than the diameter of the inner peripheral surface 5B of the engaging portion 5. Further, the inner diameter is set so that the inner peripheral surface 3B of the engaging portion 3 and the inner peripheral surface 5B of the engaging portion 5 are in close contact with and engaged with the small diameter portion 85A of the retaining lever 85 shown in FIG. ing. Therefore, when the small-diameter portion 85A of the retaining lever 85 is inserted from the opening 20 having four corners defined by the end portions 3A, 3A of the engaging portion 3 and the end portions 5A, 5A of the engaging portion 5, the small-diameter portion 85A Is engaged with the inner peripheral surfaces 3B and 5B after the engaging portions 3 and 5 are elastically deformed and entered. By this engagement, the auxiliary tool 1 is connected to the retaining lever 85 at least to the extent that it does not fall from the retaining lever 85 due to its own weight.

  Further, first end portions 3A and 3A of the engaging portion 3 are respectively formed with first guide portions 7 protruding in the + Z direction. The + X side end surface of each first guide portion 7 constitutes a slope 7A that is inclined so as to go to the + X side from the end 3A in the + Z direction. Further, the second guide portions 9 protruding in the −Z direction are formed at the respective end portions 5A and 5A of the engaging portion 5. The + X side end surface of each second guide portion 9 constitutes a slope 9A that is inclined so as to go to the + X side from the end portion 5A in the −Z direction. That is, the slopes 7A and 9A have a shape that is open to the + X side across the opening 20 as a whole.

  For this reason, when the slope 7A or 9A comes into contact with the two large-diameter portions 85B (specifically, the axially outer side surface of the retention insulator 85 in the large-diameter portion 85B) of the retaining lever 85, the slope 7A or 9A is brought into contact with the two. The slope 7A or 9A slides with respect to the large-diameter portion 85B according to the component force along the slope 7A or 9A of the applied stress. As a result, the opening 20 is guided toward a position facing the small diameter portion 85 </ b> A of the retaining lever 85. Therefore, when the operator presses the opening 20 against the small diameter portion 85A of the retaining lever 85 so as to engage the engaging portions 3 and 5 with the small diameter portion 85A, the position of the auxiliary tool 1 is slightly shifted in the ± Z direction. Even if it has, the engaging parts 3 and 5 can be satisfactorily engaged with the small diameter part 85A by the action of the inclined surface 7A and the inclined surface 9A.

  In addition, between the two sets of end portions 3A and 5A arranged so as to overlap each other in the ± Z directions, the first support portion 11 (an example of an inner peripheral support portion) that curves in a convex manner in the center direction of the opening 20 respectively. It is connected. The −X side end portion on the inner peripheral surface 3B of the engaging portion 3 and the −X side end portion on the inner peripheral surface 5B of the engaging portion 5 are second support portions 13 (curved convexly toward the opening 20). It is connected via an example of an inner peripheral support part. In addition, the outer periphery of the portion where the -X side end portion of the first guide portion 7 is disposed at the position on the -X side with respect to each end portion 3A in the engaging portion 3, and each end in the engaging portion 5 Between the portion 5A and the outer periphery of the portion where the -X side end portion of the second guide portion 9 is disposed, the third support portion 15 (an example of the outer periphery support portion) is linear. Connected to each other. For this reason, the linear body 87 as shown in FIG. 4 can be supported along the inner peripheral surfaces 3B and 5B of the engaging portions 3 and 5 by the support portions 11 to 15.

  As shown in FIG. 4, the linear body 87 has a U-shape formed by twisted strands and a helical loop connected to both ends of the residual loop 87B. Wire bundles 87A and 87A. If the retaining loop 87B of the linear body 87 is wound so as to pass through the outside of the first support portion 11 and the second support portion 13 and the inside of the third support portion 15, the retaining loop 87B. Can be supported along the inner peripheral surfaces 3B and 5B of the engaging portions 3 and 5.

  In addition, a flexible thin piece 11A that engages with the outer periphery of the retaining loop 87B is formed on the + Z side inner peripheral surface and the −Z side inner peripheral surface of the first support portion 11 so as to protrude. Also, a flexible thin piece 15A that engages with the outer periphery of the retaining loop 87B is formed in a protruding manner in the vicinity of the third support portion 15 on the mutually opposing surfaces of the engaging portions 3 and 5. Therefore, it is possible to more stably execute the retaining loop 87B along the inner peripheral surfaces 3B and 5B.

  For example, as shown in FIG. 5, the retaining insulator 85 may be attached via a bolt 83 between a pair of long plate-like metal fittings 80, 80 attached to a brace (not shown). In that case, the linear body 87 to which the auxiliary tool 1 is attached as described above is inserted from the side in the longitudinal direction of the metal fittings 80 and 80 so that the tension insulator 85 is sandwiched between the wire bundles 87A and 87A. When the operator pulls the two wire bundles 87A and 87A toward him / her, the auxiliary tool 1 is guided by the slopes 7A and 9A as described above, and the engaging portions 3 and 5 are engaged with the retaining lever 85. To do. Thereafter, the sheath 81B of the electric wire 81 is peeled off and the wire bundles 87A and 87A are wound around the exposed portion of the core wire 81A in a state where a desired tension is applied to the electric wire 81. Can be erected.

  Furthermore, the auxiliary tool 1 includes a third guide portion 17 and a fourth guide portion 19 (both examples of guide portions provided so as to protrude in a predetermined direction) as follows. The third guide portion has an L-shaped cross section that protrudes from the −X side end of the engaging portion 3 in the + Z direction and then bends in the + X direction. The fourth guide portion is configured to have an L-shaped cross section that protrudes in the −Z direction from the −X side end portion of the engagement portion 5 and then bends in the + X direction.

  As illustrated in FIG. 6, when the auxiliary guide 1 is tilted and the fourth guide portion 19 comes into contact with the metal fitting 80 on the −Z side, the fourth guide portion 19 has the engagement portions 3 and 5 −Z. By suppressing the proximity to the metal fitting 80 on the side, the opening 20 is prevented from being displaced from the position facing the small diameter portion 85A. Similarly, in the third guide portion 17, when the auxiliary guide 1 is inclined and the third guide portion 17 comes into contact with the + Z side metal fitting 80, the engaging portions 3 and 5 come close to the + Z side metal fitting 80. By suppressing this, the opening 20 is prevented from shifting from the position facing the small diameter portion 85A.

  Moreover, since the 3rd guide part 17 and the 4th guide part 19 are comprised by the cross-sectional L shape as mentioned above, the internal peripheral surfaces 3B and 5B of the engaging parts 3 and 5 are the small diameter parts of the tension insulator 85 When engaged with 85A, it engages with the large diameter portion 85B of the retaining lever 85 from the outer peripheral side. Further, the third guide portion 17 and the fourth guide portion 19 are sufficiently spaced apart from the first guide portions 7 and 7 and the second guide portions 9 and 9 (for example, 45 ° or more around the axis of the retaining lever 85). Open and provided. For this reason, even after the auxiliary tool 1 is attached to the retaining insulator 85 attached to the utility pole, the color of the retaining insulator 85 can be visually confirmed from the ground.

[1-2. effect]
According to the embodiment described in detail above, the following effects can be obtained.
(1A) The small diameter portion 85A can be engaged with the inner peripheral surfaces 3B and 5B of the engaging portions 3 and 5 by inserting the small diameter portion 85A of the retaining lever 85 from the opening 20 of the auxiliary tool 1. When the operator inserts the small-diameter portion 85A from the opening 20 as described above, the operator supports the retaining loop 87B in a state of being wound around the inner peripheral surfaces 3B and 5B via the support portions 11 to 15. be able to. By doing so, when the small diameter portion 85A of the retaining lever 85 is engaged with the inner peripheral surfaces 3B and 5B of the engaging portions 3 and 5, the retaining loop 87B is in a state similar to that wound around the small diameter portion 85A of the retaining lever 85. It becomes. Moreover, in the present embodiment, since the first support portion 11 and the second support portion 13 are convexly curved in the central direction of the retaining lever 85, the retaining loop 87B is very close to being wound directly around the small diameter portion 85A. Supported by

  Further, in order to insert the small-diameter portion 85A from the opening 20 as described above, when the operator moves the auxiliary tool 1 from the radially outer side of the small-diameter portion 85A so as to approach the retaining lever 85, the auxiliary tool 1 The guide portions 7, 9, 17, and 19 provided in the guide guide the engaging portions 3 and 5 to positions where the inner peripheral surfaces 3B and 5B engage with the small diameter portion 85A.

  For this reason, even if an operator does not move the auxiliary tool 1 so accurately, the engaging portions 3 and 5 are guided by the guide portions 7, 9, 17, and 19, so that the inner peripheral surfaces 3 B and 5 B are guided. The small diameter portion 85A can be engaged. Therefore, the workability of the work of winding the retaining loop 87B around the small diameter portion 85A may be further improved.

  (B) Moreover, the 1st guide part 7 and the 2nd guide part 9 contact | abut the opening part 20 with the small diameter part 85A of the retention lever 85 by making the slope 7A or 9A contact the large diameter part 85B of the retention element 85. Guide to the opposite position. For this reason, the said engaging parts 3 and 5 can be favorably guided to the position where the inner peripheral surfaces 3B and 5B of the engaging parts 3 and 5 engage with the small diameter part 85A. Therefore, the workability of the work of winding the retaining loop 87B around the small diameter portion 85A of the retaining insulator 85 may be further improved.

  (C) Furthermore, the third guide portion 17 and the fourth guide portion 19 are engaged with the engagement portion 3 when the third guide portion 17 or the fourth guide portion 19 comes into contact with the metal fitting 80 because the auxiliary tool 1 is inclined. , 5 is prevented from approaching the bracket 80 any more. For this reason, it is suppressed that the opening part 20 shifts | deviates from the opposing position with 85 A of small diameter parts, and the said engaging part is moved to the position where the inner peripheral surfaces 3B and 5B of the engaging parts 3 and 5 engage with the small diameter part 85A. 3 and 5 can be guided well. Therefore, the workability of the work of winding the retaining loop 87B around the small diameter portion 85A of the retaining insulator 85 may be further improved.

  (D) Further, when the inner peripheral surfaces 3B and 5B of the engaging portions 3 and 5 are engaged with the small-diameter portion 85A of the retaining lever 85, the third guiding portion 17 and the fourth guiding portion 19 are large in the retaining lever 85. Engage with the diameter portion 85B from the outer peripheral side. For this reason, the state where the inner peripheral surfaces 3B, 5B of the engaging portions 3, 5 are engaged with the small diameter portion 85A of the retaining lever 85 can be maintained more stably. Therefore, the state in which the retaining loop 87B is wound around the small diameter portion 85A of the retaining insulator 85 can be maintained more stably.

  (E) The first support portion 11 and the second support portion 13 support the retaining loop 87B from the inside of the engaging portions 3 and 5, and the third support portion 15 supports the retaining loop 87B outside the engaging portions 3 and 5. Support from. For this reason, the retaining loop 87B is better supported in a state of being wound along the inner peripheral surfaces 3B, 5B of the engaging portions 3, 5. Accordingly, the retaining loop 87B is engaged with the engaging portion 87B during the operation of engaging the small diameter portion 85A of the retaining lever 85 with the inner peripheral surfaces 3B and 5B in a state where the retaining loop 87B is supported along the inner peripheral surfaces 3B and 5B. 3 and 5 can be prevented from coming off. Therefore, the workability of the work can be further improved.

  Further, even after the small diameter portion 85A of the retaining lever 85 is engaged with the inner peripheral surfaces 3B and 5B of the engaging portions 3 and 5, the retaining loop 87B is further suppressed from coming off from the engaging portions 3 and 5. be able to. Therefore, the retaining loop 87B can be more favorably maintained in the state of being wound around the small diameter portion 85A of the retaining insulator 85.

(F) In addition, since the slopes 7A and 9A have a shape that opens in both directions ± Z on the side inserted into the retaining insulator 85, the retaining loops 87B of various thicknesses such as 4 mm, 5 mm, and 60 mm ² are excellent. Can be wound around the retaining insulator 85.

  (G) Further, from the space between the third guide portion 17 and the fourth guide portion 19 and the first guide portions 7 and 7 and the second guide portions 9 and 9, an auxiliary tool is attached to the retaining insulator 85 attached to the utility pole. Even after 1 is attached, the color of the retaining insulator 85 can be visually confirmed from the ground. For this reason, the operation | work which confirms the kind of the retaining insulator 85 from the ground also becomes easy.

[2. Other Embodiments]
As mentioned above, although the form for implementing this indication was demonstrated, this indication is not limited to the above-mentioned embodiment, and can carry out various modifications.

  (2A) The flexible linear body is not limited to the linear body 87 described above, and the present disclosure can be applied to various linear bodies as long as the linear body is used for wire retention. it can. For example, the present disclosure can be applied to a low-pressure tension clamp hanger described in JP 2011-223838 A.

  (2B) The shape and quantity of each guide part 7, 9, 17, 19 and the shape and quantity of each support part 11, 13, 15 are not limited to those shown in FIGS. Can be changed. For example, in the said embodiment, although the direction of the 1st support part 11 and the 2nd support part 13 as an inner peripheral support part is provided more than the 3rd support part 15 as an outer periphery support part, both are the same number. There may be more outer peripheral support portions. In addition, each of the guide portions 7, 9, 17, 19 and the support portions 11, 13, and 15 may be at least one each, and a certain effect is produced. That is, any one or a plurality of the guide portions 7, 9, 17, 19 or the support portions 11, 13, 15 can be omitted.

  (2C) Moreover, in the said embodiment, although the auxiliary tool 1 was shape | molded with black resin, it is not limited to this, A various color can be used. However, it is preferable to configure at least the outer peripheral surface of the auxiliary tool 1 in a color that can be clearly distinguished from the color of the retention insulator 85 (white, green, and brown), such as black.

  (2D) Although the plate-like engaging portions 3 and 5 are provided in two layers in the embodiment, the present invention is not limited to this. For example, the engaging portion may be provided in three or more layers, may be provided in only one layer, or a thicker engaging portion may be used.

  (2E) Moreover, in the said embodiment, although the auxiliary tool 1 is produced by integral molding, it is not limited to this. For example, a configuration similar to that of the auxiliary tool 1 may be created by connecting or bonding a plurality of parts, or may be created by other methods.

  (2F) A plurality of functions of one constituent element in the embodiment may be realized by a plurality of constituent elements, or a single function of one constituent element may be realized by a plurality of constituent elements. . Further, a plurality of functions possessed by a plurality of constituent elements may be realized by one constituent element, or one function realized by a plurality of constituent elements may be realized by one constituent element. Moreover, you may abbreviate | omit a part of structure of the said embodiment. In addition, at least a part of the configuration of the embodiment may be added to or replaced with the configuration of the other embodiment. In addition, all the aspects included in the technical idea specified only by the wording described in the claims are embodiments of the present disclosure.

DESCRIPTION OF SYMBOLS 1 ... Electric wire retention aid 3,5 ... Engagement part 3A, 5A ... End part 3B, 5B ... Inner peripheral surface 7 ... 1st guide part 7A, 9A ... Slope 9 ... 2nd guide part 11 ... 1st support part 11A, 15A ... Thin piece 13 ... 2nd support part 15 ... 3rd support part 17 ... 3rd guide part 19 ... 4th guide part 20 ... Opening part 80 ... Metal fitting 81 ... Electric wire 85 ... Retraction insulator 85A ... Small diameter part 85B ... Large Diameter portion 87 ... Linear body 87A ... Wire bundle 87B ... Retention loop

Claims (5)

A pair of large diameter portions and a small diameter portion provided between the pair of large diameter portions and having a smaller diameter than any of the pair of large diameter portions, wherein the small diameter portions are flexible for wire retention. An auxiliary tool for wire retention that can be used for an insulator configured to be able to wind a linear body,
At least one engaging portion configured to be able to engage an inner peripheral surface with the small diameter portion;
The small-diameter portion that is formed in a part of the engaging portion and communicates the outer periphery of the engaging portion and the inner peripheral surface to a position that engages with the inner peripheral surface from the outer peripheral side of the engaging portion. An opening configured to be insertable,
At least one support portion configured to support the linear body in a state of being wound around the inner peripheral surface of the engagement portion;
At least one guide portion configured to guide the engaging portion that moves so as to be close to the insulator to a position where the inner peripheral surface engages with the small diameter portion;
Electric wire retention aid equipped with An auxiliary tool for wire retention according to claim 1,
The guide part is
Provided at the end of the engaging portion on the opening side, and slides in contact with the large diameter portion of at least one of the insulators, thereby guiding the opening toward the small diameter portion of the insulator. On the slope,
Electric wire retention aid provided. An auxiliary tool for wire retention according to claim 1,
The guide part is
The engagement portion is provided so as to protrude from the engagement portion in the predetermined direction, with a direction parallel to the axial direction of the lever when the inner peripheral surface is engaged with the small diameter portion, and a bolt So that the opening is prevented from shifting from the position facing the small-diameter portion by suppressing the engagement portion from approaching the metal fitting when contacting the metal fitting supporting the insulator via Constructed auxiliary tool for wire retention. It is an auxiliary tool for wire retention according to claim 3,
The guide portion provided so as to protrude in the predetermined direction is configured to engage with at least one of the large-diameter portions of the insulator when the inner peripheral surface engages with the small-diameter portion. Ingredients. It is an auxiliary tool for electric wire retention according to any one of claims 1 to 4,
The support part is
At least one inner periphery support portion configured to support the linear body from the inner periphery side of the engagement portion;
At least one outer peripheral support portion configured to support the linear body from the outer peripheral side of the engaging portion;
Electric wire retention aid equipped with

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