JP2016171700A - Wire harness, tubular protection material, and linear fitting member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wire harness, tubular protection material, and linear fitting member that make it possible to easily fit an additional electric wire to a standard electric wire covered with the protection material and sufficiently protect the additional electric wire.SOLUTION: A wire harness comprises: a first electric wire; a second electric wire; a tubular member that covers the first electric wire and has a linear gap part extending along the longer direction; and a linear fitting member that is fitted to the linear gap part to cover the linear gap part and extends along the longer direction. The linear fitting member includes: a lid part that covers the linear gap part from the outer peripheral surface side of the tubular member and extends along the longer direction; a tip, at least part of which is arranged in the internal space of the tubular member and which extends along the longer direction; and a connection part that connects the lid part with the tip and extends along the longer direction. The tip includes an inserted part that includes an aperture capable of being opened or expanded by elastic deformation caused by external force and extends along the longer direction in which the second electric wire is inserted.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a technique for covering an electric wire with a tubular protective material.

  A wire harness mounted on a vehicle such as an automobile may include a tubular protective material that covers an electric wire. And as this tubular protective material, a corrugated tube etc. can be employ | adopted (for example, patent documents 1, 2, etc.), for example.

JP 2013-005606 A JP 2013-219858 A

  By the way, the wire harness for vehicles may include the electric wire common to a certain vehicle type in general and the electric wire which can be selectively added. Hereinafter, the former is referred to as “standard electric wire” and the latter is referred to as “additional electric wire”. For example, the standard electric wire is an electric wire for standard parts that is common to a certain type of vehicle, and the additional electric wire is an electric wire for optional parts that may be added according to customer specifications. And the necessity of the additional electric wire in the wire harness for vehicles is determined in the comparatively downstream stage in the flow of manufacture and sale of vehicles.

  In order to reduce the manufacturing cost of such a wire harness for a vehicle, for example, a standard wire is transported to a country where the vehicle is produced after being produced in a country with low labor costs, and an additional wire is added to the standard wire. Thereby, the wire harness for vehicles can be manufactured. In this case, the standard electric wire is covered with a tubular protective material such as a corrugated tube so as not to be damaged during transportation.

  However, Patent Documents 1 and 2 do not mention at all that an additional circuit is added after a standard protective wire is covered with a tubular protective material. Moreover, the operation | work which inserts an additional electric wire in the tubular protective material coat | covered with the standard electric wire is not easy. On the other hand, if the additional electric wire is not inserted into the tubular protective material, the additional electric wire in the wire harness cannot be sufficiently protected.

  The present invention provides a wire harness, a tubular protective material, and a linear mounting member that can easily attach an additional electric wire to a standard electric wire coated with a protective material and that can sufficiently protect the additional electric wire. With the goal.

  In order to solve the above-described problem, a wire harness according to a first aspect covers a first electric wire, a second electric wire different from the first electric wire, and covers the first electric wire and extends along the longitudinal direction. A tubular member having a linear gap, and a linear attachment member attached to the linear gap to cover the linear gap and extend along the longitudinal direction, A linear attachment member covering at least a part of the linear gap portion from the outer peripheral surface side of the tubular member and extending along the longitudinal direction; and an internal space of the tubular member; and A distal end portion extending in the longitudinal direction; and a connecting portion connecting the lid portion and the distal end portion and extending along the longitudinal direction, wherein the distal end portion is opened by elastic deformation by an external force. Or having an expandable opening and the second electric wire inserted Including the insertion portion extending along a serial longitudinally.

  The wire harness which concerns on a 2nd aspect is a wire harness which concerns on a 1st aspect, Comprising: The said tubular member is provided with the cyclic | annular convex part and the cyclic | annular recessed part alternately along the said longitudinal direction, A corrugated tube having a linear gap is included.

  The wire harness which concerns on a 3rd aspect is a wire harness which concerns on a 1st or 2nd aspect, Comprising: The said connection part in the extension direction of the said connection part toward the said front-end | tip part from the said cover part is the said front-end | tip part. A tip body portion located on an extension line of the portion, and a blade portion protruding from the tip body portion in the width direction intersecting the extending direction and the longitudinal direction and extending along the longitudinal direction. .

  The wire harness which concerns on a 4th aspect is a wire harness which concerns on any one 1st to 3rd aspect, Comprising: The said front-end | tip part has a linear recessed part along the said opening part.

  A wire harness according to a fifth aspect is the wire harness according to any one of the first to fourth aspects, wherein the inserted portion is wider than the opening and deeper than the opening. And a hole extending along the longitudinal direction.

  A tubular protective material according to a sixth aspect includes a tubular member having a linear gap extending along a longitudinal direction, and is attached to the linear gap to cover the linear gap, and A linear attachment member extending along the longitudinal direction, and the linear attachment portion covers the linear gap from the outer peripheral surface side of the tubular member and extends along the longitudinal direction. A connection part that connects the cover part and the tip part and extends along the longitudinal direction, at least a part of which is disposed in the internal space of the tubular member and extends in the longitudinal direction And an insertion part extending along the longitudinal direction, the opening having an opening that can be opened or enlarged by elastic deformation by an external force.

  The linear attachment member which concerns on a 7th aspect connects the cover part extended along a longitudinal direction, the front-end | tip part extended in the said longitudinal direction, the said cover part, and the said front-end | tip part, and the said longitudinal direction A connecting portion that extends along the longitudinal direction, and the distal end portion includes an insertion portion that has an opening that can be opened or enlarged by elastic deformation by an external force and that extends along the longitudinal direction.

  With the wire harness according to any of the first to fifth aspects, it is possible to easily attach the additional electric wire to the standard electric wire covered with the protective material, and the additional electric wire can be sufficiently protected.

  According to the wire harness which concerns on a 2nd aspect, it is possible to bend the path | route of an electric wire suitably.

  According to the wire harness which concerns on a 3rd aspect, a linear attachment member can be stably attached with respect to a tubular member.

  According to the wire harness which concerns on a 4th aspect, it is possible to perform alignment of the 2nd electric wire with respect to an opening part easily.

  According to the wire harness which concerns on a 5th aspect, a 2nd electric wire can be easily arrange | positioned with respect to the to-be-inserted part of a linear attachment member.

  According to the tubular protective material according to the sixth aspect, the additional electric wire can be easily attached to the standard electric wire covered with the protective material, and the additional electric wire can be sufficiently protected.

  According to the linear attachment member which concerns on a 7th aspect, an additional electric wire can be easily attached to the standard electric wire with which the protective material was coat | covered, and protection of an additional electric wire can fully be aimed at.

It is a schematic perspective view which shows the mounting part of the tubular protective material in the wire harness which concerns on one Embodiment. FIG. 2 is a schematic sectional view taken along line II-II in FIG. 1. It is explanatory drawing which shows the process of attaching an electric wire to a linear attachment member. It is explanatory drawing which shows the process of attaching an electric wire to a linear attachment member. It is explanatory drawing which shows the process of attaching an electric wire to a linear attachment member. It is explanatory drawing which shows the process of attaching an electric wire to a linear attachment member. It is explanatory drawing which shows the process of attaching a linear attachment member to a tubular member. It is a schematic sectional drawing of the linear attachment member which concerns on a 1st modification. It is a schematic sectional drawing of the linear attachment member which concerns on a 2nd modification. It is a schematic sectional drawing of the linear attachment member which concerns on a 3rd modification. It is a schematic sectional drawing of the linear attachment member which concerns on a 4th modification. It is a schematic perspective view which shows the mounting part of the tubular protective material in the wire harness which concerns on a 4th modification. FIG. 13 is a schematic sectional view taken along line XIII-XIII in FIG. 12.

<(1) One Embodiment>
Hereinafter, the wire harness which concerns on one Embodiment, a tubular protective material, and a linear attachment member are demonstrated. FIG. 1 is a schematic perspective view showing a mounting portion of the tubular protective material 2 in the wire harness 1. 2 is a schematic cross-sectional view taken along line II-II in FIG. 3 to 6 are explanatory views showing a process of attaching the electric wire to the linear attachment member 4. FIG. 7 is an explanatory diagram showing a process of attaching the linear attachment member 4 to the tubular member 3. In addition, in FIG. 1, the 1st electric wire W1 and the tubular member 3 are drawn with the dashed-two dotted line, and the linear attachment member 4 and the 2nd electric wire W2 are drawn with the continuous line.

  The wire harness 1 is provided with the 1st electric wire W1, the 2nd electric wire W2, and the tubular protective material 2, for example, as FIG. 1 and FIG. 2 shows.

  For example, the first electric wire W1 is formed by binding a plurality of electric wires, and is a standard component electric wire (also referred to as a standard electric wire) that is common to all types of objects to be arranged (also referred to as arrangement objects). And has a role as a main body of the wire harness 1. More specifically, the first electric wire W1 has a configuration in which a plurality of electric wires are bundled while being branched according to the form of wiring with respect to the arrangement target. The arrangement object may be a vehicle, for example. The 1st electric wire W1 does not necessarily need to branch, and may be comprised with the single electric wire. Further, another optical cable or the like may be bound to the first electric wire W1.

  The second electric wire W2 is a different electric wire from the first electric wire W1. The second electric wire W2 includes, for example, an electric wire (also referred to as an additional electric wire) that can be selectively added to the object to be arranged. This additional electric wire is, for example, an electric wire for an optional part that may be added according to the customer's specification.

  The tubular protective material 2 is a tubular protective material, and includes a tubular member 3 and a linear attachment member 4.

  The tubular member 3 is a tubular member that covers at least a part of the first electric wire W1. The tubular member 3 has a linear gap 3 s extending along the longitudinal direction of the tubular member 3. In other words, the tubular member 3 has a structure in which a part of the annular member is interrupted in a cross section substantially orthogonal to the longitudinal direction. In this embodiment, the cross section substantially orthogonal to the longitudinal direction of the tubular member 3 has a shape in which the inner peripheral surface and the outer peripheral surface of the tubular member 3 are substantially concentric. Then, due to the presence of the linear gap portion (also referred to as a slit portion) 3s, the first electric wire W1 is disposed in the internal space 3h of the tubular member 3 via the linear gap portion 3s. The tubular member 3 is attached to the first electric wire W1. More specifically, the first electric wire W1 can be easily disposed in the tubular member 3 so as to be opened by the linear gap 3s. Thereby, at least one part of the 1st electric wire W1 will be in the state enclosed by the tubular member 3 from the side.

  As the tubular member 3 having the above-described configuration, for example, a cylindrical hard or semi-rigid tube can be employed. The tube may include, for example, a corrugated tube and a simple cylindrical tube. In the corrugated tube, annular convex portions (also referred to as annular convex portions) 31 and annular concave portions (also referred to as annular concave portions) 32 are alternately provided along the longitudinal direction in which the corrugated tube extends. This is a substantially cylindrical member having a gap 3s (see FIG. 7).

  As a material for the corrugated tube, for example, a material having a certain degree of flexibility such as resin and having elasticity that can be elastically deformed may be employed. The resin may be rubber or the like, for example. In this case, since the corrugated tube is easily elastically deformed at the step portion between the annular convex portion 31 and the annular concave portion 32, the corrugated tube as a whole has the property of being easily bent and deformed. Thereby, the path | route of electric wires, such as the 1st electric wire W1, can be bent suitably. As a result, when the first electric wire W1 is arranged in a vehicle or the like, it can be appropriately bent along the arrangement path. Moreover, as a corrugated tube, what has an internal diameter larger than the outer diameter in the part used as attachment object among the 1st electric wires W1 is usually employ | adopted normally.

  The linear attachment member 4 is attached to the linear gap 3s of the tubular member 3 along the longitudinal direction thereof. The linear attachment member 4 covers the linear gap 3 s and extends along the longitudinal direction of the tubular member 3. That is, the longitudinal direction of the linear attachment member 4 substantially coincides with the longitudinal direction of the tubular member 3.

  For example, as illustrated in FIGS. 2 and 3, the linear attachment member 4 includes a lid portion 41, a distal end portion 42, and a connecting portion 43 that couples the lid portion 41 and the distal end portion 42.

  The lid portion 41 covers the linear gap 3 s from the outer peripheral surface side of the tubular member 3 and extends along the longitudinal direction of the tubular member 3. For example, the outer surface of the lid portion 41 has an arcuate curved surface along the outer peripheral surface of the tubular member 3.

  The distal end portion 42 is at least partially disposed in the internal space 3 h of the tubular member 3 and extends in the longitudinal direction of the tubular member 3. Here, the tip portion 42 may be entirely disposed in the internal space 3h, or a part thereof is disposed in the internal space 3h and the remaining portion is disposed in the linear gap 3s. May be. Moreover, the front-end | tip part 42 has the to-be-inserted part 42g.

  The inserted portion 42g extends along the longitudinal direction of the tubular member 3, and has an opening 42o that can be opened or enlarged by elastic deformation by an external force. The insertion portion 42g does not always need to have the opening 42o open. Normally, the opening 42o is closed by elastic force, and the opening 42o can be opened by elastic deformation due to external force. Also good. For example, the inserted portion 42g may be a notched portion provided at the distal end portion 42. That is, for example, the inserted portion 42g that can be opened and closed by elastic deformation may be employed at the distal end portion 42.

  Here, as shown in FIGS. 3 to 6, the second electric wire W2 can be inserted into the inserted portion 42g. Thereby, the 2nd electric wire W2 can fully be protected by the linear attachment member 4. FIG. Moreover, if the front-end | tip part 42 has the linear recessed part (it is also mentioned linear recessed part) 42r along the opening part 42o, as FIG. 4 shows, the position of the 2nd electric wire W2 with respect to the opening part 42o will be shown. Matching can be easily performed.

  In addition, a portion (also referred to as a tip main body portion) where the tip end portion 42 is located on an extension line of the connecting portion 43 in a direction in which the connecting portion 43 extends from the lid portion 41 toward the tip end portion 42 (also referred to as an extending direction). 42a. As shown in FIGS. 1 to 6, if the tip portion 42 has a pair of blade portions 42 w 1, 42 w 2, the pair of blade portions 42 w 1, 42 w 2 serve as stoppers. The linear attachment member 4 can be stably attached to the material 2. Here, each blade | wing part 42w1 and 42w2 protrude in the direction (it is also called the width direction) which cross | intersects each of the extension direction of the connection part 43, and the longitudinal direction of the tubular member 3 from the front-end | tip main body part 42a, and the tubular member 3. It extends along the longitudinal direction. Further, the inserted portion 42g of the distal end portion 42 is wider than the opening 42o and is located behind the opening 42o, and extends along the longitudinal direction of the tubular member 3 (FIG. 3). If it has (refer), the 2nd electric wire W2 can be easily arrange | positioned with respect to the insertion part 42g of the linear attachment member 4. FIG.

  The connecting portion 43 connects the lid portion 41 and the distal end portion 42 and extends along the longitudinal direction of the tubular member 3. In the present embodiment, in the cross section orthogonal to the longitudinal direction of the tubular member 3 in the linear attachment member 4, the width of the connecting portion 43 is set narrower than any width of the lid portion 41 and the tip portion 42. . Thereby, the linear attachment member 4 has a part in which a pair of concave groove portions 4g1 and 4g2 each extending along the longitudinal direction of the tubular member 3 are formed. The pair of concave groove portions 4g1 and 4g2 can accommodate the edge portions on both sides of the linear gap portion 3s in the tubular member 3. In other words, the lid portion 41 is disposed at one edge (outer peripheral side) of the elongated connecting portion 43 and the tip end portion 42 is disposed at the other edge (inner peripheral side) of the connecting portion 43. Is provided, the shape of the cross section perpendicular to the longitudinal direction of the linear attachment member 4 is substantially H-shaped.

  The width dimension of the recessed groove portions 4g1 and 4g2 is set to a dimension that is substantially the same as or slightly larger than the thickness dimension of the tubular member 3. The thickness dimension of the tubular member 3 may be, for example, the difference between the outermost peripheral portion of the annular convex portion 31 and the innermost peripheral portion of the annular concave portion 32 in the radial direction of the tubular member 3. The depth dimension of the recessed groove portions 4g1 and 4g2 is not particularly limited as long as it can be accommodated in a state where the end edge portion of the tubular member 3 is positioned in the radial direction.

  If the pair of concave groove portions 4g1 and 4g2 are formed over the entire length of the linear attachment member 4, the linear attachment member 4 can be stably attached to the tubular member 3. However, it is not restricted to such a structure, The part in which the said pair of recessed groove part 4g1, 4g2 of the linear attachment members 4 was formed may be a part along the longitudinal direction.

  As shown in FIG. 7, the linear attachment member 4 is attached to the tubular member 3 along its longitudinal direction. Here, the linear attachment member 4 is attached to the tubular member 3 in the state of being disposed in the linear gap 3s as follows. First, the first electric wire W <b> 1 is accommodated in the tubular member 3 by opening the tubular member 3 with the linear gap 3 s. In this state, the tubular member 3 is opened by the linear gap 3s, and the edge portions on both sides of the linear gap 3s of the tubular member 3 are fitted into the pair of concave grooves 4g1 and 4g2. In this state, the connecting portion 43 is disposed within the linear gap portion 3s, the lid portion 41 is disposed along the outer peripheral surface of the tubular member 3 outside the linear gap portion 3s, and the distal end portion 42 is disposed. It is disposed along the inner peripheral surface of the tubular member 3 inside the linear gap 3s. Thereby, the tubular member 3 is integrated with the linear attachment member 4. That is, the tubular protective material 2 that covers the first electric wire W1 is formed.

  At this time, the linear attachment member 4 can be attached to the tubular member 3 in a state where the second electric wire W2 is inserted into the inserted portion 42g. As a result, the second electric wire W2 as the additional electric wire can be easily attached to the first electric wire W1 as the standard electric wire covered with the tubular member 3 as the protective material. Moreover, the protection of the 2nd electric wire W2 as an additional electric wire can fully be aimed at by the linear attachment member 4. FIG.

  In addition, in one or more portions of the outer peripheral portion of the tubular protective member 2 to which the linear attachment member 4 is attached to the tubular member 3, for example, a tape or the like is wound along the circumferential direction of the tubular protective member 2, The linear attachment member 4 can be firmly fixed to the tubular member 3. Thereby, even if the tubular member 3 is bent along the arrangement path, the linear attachment member 4 can be deformed in accordance with the deformation of the tubular member 3.

  As described above, according to the wire harness 1 according to the present embodiment, the first electric wire W1 as the standard electric wire is transported in a state where the tubular protective material 2 is covered, so that the first electric wire W1 is damaged. Is less likely to occur. And by employ | adopting the linear attachment member 4, the 2nd electric wire W2 as an additional electric wire can be easily attached to the 1st electric wire W1 as a standard electric wire with which the tubular protective material 2 was coat | covered. That is, the additional electric wire can be easily attached to the standard electric wire covered with the protective material, and the additional electric wire can be sufficiently protected. From another point of view, it is possible to easily attach an additional wire to the standard wire covered with the protective material by adopting the tubular protective material 2 and the linear mounting member 4 according to the present embodiment. And sufficient protection of the additional electric wire can be achieved.

<(2) Modification>
Note that the present invention is not limited to the above-described embodiment, and various modifications and improvements can be made without departing from the gist of the present invention.

  For example, in the above-described embodiment, the opening 42o of the insertion portion 42g is not normally open, but is not limited thereto. For example, like the linear attachment member 4A according to the first modification shown in FIG. 8, an insertion portion 42gA having an opening 42oA that is always open may be employed. In the linear attachment member 4A according to the first modification, for example, a distal end portion 42A having a distal end main body portion 42aA including the inserted portion 42gA is employed. In this case, the inserted portion 42gA has a groove 4hA that is integrally formed from the opening 42oA to the inner portion of the mounted portion 42gA and extends along the longitudinal direction of the tubular member 3. In such a configuration, the opening 42oA can be enlarged by elastic deformation due to an external force and can be reduced by elastic force. That is, the opening 42o can be enlarged or reduced. Therefore, the openings 42o and 42oA of the inserted portion 42g may be opened or enlarged.

  Further, in the above-described embodiment, the inserted portion 42g has the hole portion 4h that is wider than the opening portion 42o and located behind the opening portion 42o and extends along the longitudinal direction of the tubular member 3. Although it had, it is not restricted to this. For example, like the linear attachment member 4B according to the second modification shown in FIG. 9, an inserted portion 42gB that is not provided with the hole 4h may be employed. In the linear attachment member 4B according to the second modification, for example, a distal end portion 42B having a distal end main body portion 42aB including the inserted portion 42gB is employed. However, if the hole 4h that is wider than the opening 42o and located deeper than the opening 42o is provided, the second electric wire W2 is easy and stable with respect to the insertion portion 42g of the linear mounting member 4. Can be arranged.

  Moreover, in the said one Embodiment, although the front-end | tip part 42 had the linear recessed part 42r along the opening part 42o, it is not restricted to this. For example, like the linear attachment member 4C according to the third modification shown in FIG. 10, an insertion portion 42gC that is not provided with the linear recess 42r may be employed. In the linear attachment member 4C according to the third modification, for example, a distal end portion 42C having a distal end main body portion 42aC including the inserted portion 42gC is employed. However, if the linear recessed part 42r along the opening 42o is provided, it is possible to easily align the second electric wire W2 with respect to the opening 42o.

  In the above-described embodiment, the distal end portion 42 protrudes from the distal end main body portion 42 a in the width direction intersecting with the extending direction of the connecting portion 43 and the longitudinal direction of the tubular member 3, and the longitudinal direction of the tubular member 3. Although it has a pair of blade | wing parts 42w1 and 42w2 extended along, it is not restricted to this. For example, like the linear attachment member 4D according to the fourth modification shown in FIG. 11, a tip end portion 42D in which the pair of blade portions 42w1 and 42w2 are not provided may be employed. In addition, a configuration in which any one of the pair of blade portions 42w1 and 42w2 is not provided may be employed. FIG. 12 is a schematic perspective view showing a mounting portion of the tubular protective material 2D in the wire harness 1D in which the linear attachment member 4D according to the fourth modification is adopted. 13 is a schematic sectional view taken along line XIII-XIII in FIG. However, if the blade portions 42w1 and 42w2 are provided at the distal end portion 42, the linear attachment member 4 can be stably attached to the tubular protective material 2.

  Moreover, in the said one Embodiment, although the 2nd electric wire W2 was arrange | positioned in the linear attachment member 4, it is not restricted to this. For example, the linear attachment member 4 may be attached to the tubular member 3 in a state where the second electric wire W2 is not disposed. Thereby, it is possible to employ | adopt the linear attachment member 4 irrespective of the presence or absence of the 2nd electric wire W2 as an additional electric wire. As a result, the versatility of the linear attachment member 4 is enhanced.

  Needless to say, all or a part of each of the above-described embodiment and various modifications can be combined as appropriate within a consistent range.

DESCRIPTION OF SYMBOLS 1 Wire harness 2,2D Tubular protective material 3 Tubular member 3h Internal space 3s Gap part 4,4A-4D Linear attachment member 4h Hole part 31 Annular convex part 32 Annular recessed part 41 Lid part 42, 42A, 42B, 42C, 42D Tip Part 42a, 42aA, 42aB, 42aC Tip body part 42g, 42gA, 42gB, 42gC Inserted part 42o, 42oA Opening part 42r Linear concave part 42w1, 42w2 Blade part 43 Connecting part W1 First electric wire W2 Second electric wire

Claims (7)

A first electric wire;
A second electric wire different from the first electric wire;
A tubular member covering the first electric wire and having a linear gap extending along the longitudinal direction;
A linear attachment member attached to the linear gap, covering the linear gap, and extending along the longitudinal direction;
The linear mounting member is
A lid that covers the linear gap from the outer peripheral surface side of the tubular member and extends along the longitudinal direction;
A tip portion at least partially disposed in the internal space of the tubular member and extending in the longitudinal direction;
A connecting part that connects the lid part and the tip part and extends along the longitudinal direction;
The tip is
A wire harness comprising an insertion portion that has an opening that can be opened or enlarged by elastic deformation due to an external force and that extends along the longitudinal direction in which the second electric wire is inserted. The wire harness according to claim 1,
The tubular member is
A wire harness including a corrugated tube in which annular convex portions and annular concave portions are alternately provided along the longitudinal direction and has the linear gap portion. The wire harness according to claim 1 or 2,
The tip is
A tip main body portion located on an extension line of the connecting portion in the extending direction of the connecting portion from the lid portion toward the tip portion;
A wire harness comprising: a blade portion that protrudes from the distal end main body portion in a width direction intersecting the extending direction and the longitudinal direction and extending along the longitudinal direction. The wire harness according to any one of claims 1 to 3,
The tip is
A wire harness having a linear recess along the opening. The wire harness according to any one of claims 1 to 4, wherein
The inserted portion is
A wire harness having a hole that is wider than the opening and located behind the opening and that extends along the longitudinal direction. A tubular member having a linear gap extending along the longitudinal direction;
A linear attachment member attached to the linear gap portion, covering the linear gap portion and extending along the longitudinal direction;
The linear attachment portion is
A lid that covers the linear gap from the outer peripheral surface side of the tubular member and extends along the longitudinal direction;
A tip portion at least partially disposed in the internal space of the tubular member and extending in the longitudinal direction;
A connecting part that connects the lid part and the tip part and extends along the longitudinal direction;
The tip is
A tubular protective material having an opening that can be opened or enlarged by elastic deformation caused by an external force and including an inserted portion that extends along the longitudinal direction. A lid extending along the longitudinal direction;
A tip portion extending in the longitudinal direction;
A connecting part that connects the lid part and the tip part and extends along the longitudinal direction;
The tip is
A linear attachment member comprising an inserted portion that has an opening that can be opened or enlarged by elastic deformation caused by an external force and that extends along the longitudinal direction.

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