JP2012037694A - Optical cable bent support member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical cable bent support member that supports an optical cable in a bent state while still capable of extra length processing.SOLUTION: An optical cable bent support member of the present invention includes: a first bent part 20 having a first hooking face 23 capable of hooking an optical cable in a bent state; a second bent part 30 having a second hooking face 33 capable of hooking the optical cable hooked by the first bent part 20 in a state of bending the optical cable with a larger bend radius; and a support 40 capable of supporting the first bent part 20 and the second bent part 30 in a fixed position.

Description

  The present invention relates to a technology for bending and laying optical cables.

  Patent Document 1 discloses a bending jig that prevents an optical cable from having a bending radius smaller than an allowable value when the optical cable is bent and laid. The bending jig of Patent Document 1 is formed in a tapered shape from both end portions in the extending direction toward the central portion, and the central portion in the extending direction is formed in a cylindrical shape. In other words, the bending jig bends the optical cable along the cylindrical portion, and the curvature radius of the cylindrical portion is set so that the bending radius of the optical cable is equal to or greater than an allowable value.

JP 2001-215339 A

  By the way, an optical cable may be laid in an automobile or the like together with a wire harness for signal transmission. The optical cable laid in the automobile is routed on the routing route together with the wire harness on the assembly drawing board during the assembly work of the wire harness. Then, the optical cable is routed by bending it at the bending or branching position of the wire harness. As described above, the bending position of the optical cable is determined relative to the wire harness, and the optical cable is bent and supported by a bending jig as in Patent Document 1 that is fixed at a fixed position such as a bending or branching position of the wire harness. .

  Also, this optical cable may be manufactured with a set dimension longer than a standard dimension for handling on an assembly drawing board. In this case, in a state where the optical cable is routed on the routing route, slack of the extra length longer than the reference dimension may occur in the optical cable.

  However, according to the bending jig of Patent Document 1, in the state where the wire harness is fixed at a fixed position such as a bending or branching position, when the extra length is generated in the optical cable, the optical cable is loosened from the bending jig. There is a risk of losing.

  Then, an object of this invention is to support an optical cable in a bending state so that extra length processing is also possible.

  The optical cable bending support component according to the first aspect is an optical cable bending support member for supporting an optical cable at a fixed position in a bent state, and the first hooking surface capable of hooking the optical cable in a bent state. A second bent portion having a second hooking surface that can be hooked in a state where the optical cable is bent with a larger bending radius than the optical cable hooked on the first bent portion, and the first bent portion. And a support portion capable of supporting the second bent portion at a fixed position.

  The optical cable bending support member according to the second aspect is the optical cable bending support member according to the first aspect, wherein the support portion is arranged on the outer periphery from one side end portion of the first bending portion or the second bending portion. It is formed in a substantially plate shape extending toward the side.

  An optical cable bending support member according to a third aspect is an optical cable bending support member according to the first or second aspect, wherein the first bending part, the second bending part, and the support part are integrally formed. .

  The optical cable bending support member which concerns on a 4th aspect is an optical cable bending support member which concerns on any one aspect of the 1st-3rd aspect, Comprising: The said optical cable hooked on the said 1st bending part or the said 2nd bending part Is further provided with a disengagement preventing portion for preventing the disengagement from the first bent portion or the second bent portion.

  According to the optical cable bending support member according to the first aspect, the first bending portion having the first hooking surface capable of hooking the optical cable in a bent state, and the optical cable bent at a larger bending radius than the optical cable hooked on the first bending portion. And a second bent portion having a second hooking surface that can be hooked in a state of being caught. And it is comprised by the support part so that a 1st bending part and a 2nd bending part can be supported to a fixed position. For this reason, the optical cable can be supported in a bent state so as to allow extra length processing by selectively hooking the first bent portion or the second bent portion.

  According to the optical cable bending support member according to the second aspect, the support portion is formed in a plate shape extending from the one side end portion of the first bending portion or the second bending portion toward the outer peripheral side, The first bent portion and the second bent portion can be easily fixed at a fixed position simply by sticking the support portion to an object to be fixed such as a wire harness with an adhesive tape or the like.

  According to the optical cable bending support member according to the third aspect, since the first bending portion, the second bending portion, and the supporting portion are integrally formed, the number of parts can be reduced.

  According to the optical cable bending support member according to the fourth aspect, the disconnection preventing portion can prevent the optical cable from being detached from the first bent portion and the second bent portion.

It is a figure which shows the optical cable bent and supported in the bending position of a wire harness. It is a figure which shows the optical cable bent and supported in the branch position of a wire harness. It is a perspective view of an optical cable bending support member. It is a side view of an optical cable bending support member. It is a top view of an optical cable bending support member. It is a figure which shows the aspect which hooked and supported the optical cable on the 1st bending part. It is a figure which shows the aspect which hooked and supported the optical cable on the 2nd bending part.

  The optical cable bending support member according to the embodiment will be described. The optical cable bending support member is a member for bending and laying the optical cable.

<About optical cables>
For convenience of explanation, the optical cable 2 to be supported by the optical cable bending support member 10 will be described (see FIGS. 1 and 2). Here, the optical cable 2 used for signal transmission of an electric device or the like mounted on an automobile is targeted. The optical cable 2 is routed along the routing route on the assembly drawing board together with the wire harness WH laid in the automobile. 1 and 2 show the wire harness WH and the optical cable 2 arranged between the connectors C. FIG. The optical cable 2 is supported in a bent state at the bending or branching position of the wire harness WH. That is, the optical cable 2 is supported in a bent state at a fixed position by the optical cable bending support member 10.

The optical cable 2 has a minimum allowable bending radius for suppressing transmission loss of the internal optical fiber and preventing bending breakage. Here, the minimum allowable bend radius is set as a limit bend radius that is assumed that the transmission loss and break probability of the optical fiber, which increases as the bend radius decreases, can withstand the use of the optical cable. . More specifically, the transmission loss (bending loss) is evaluated by, for example, the degree of loss (dB) when an optical signal having a certain wavelength l is incident on an optical cable wound n times with a certain bending radius. Is done. The breaking probability is evaluated by, for example, a probability of breaking an optical cable wound around m with a certain bending radius after t years (for example, an acceleration test may be performed). The minimum allowable bending radius is set so that both the evaluation values of the transmission loss and the fracture probability satisfy the reference value determined according to the actual use situation. For example, the transmission loss is the degree of loss (dB) when an optical signal having a wavelength of 1550 nm is incident on an optical cable wound 100 times with a certain bending radius r, and the fracture probability is 50 turns with a certain bending radius r. It is good to evaluate by the probability that the wound optical cable will break after 15 years. In this case, for example, the minimum allowable bending radius can be a bending radius r such that the transmission loss is 0.5 dB / 100 or less and the fracture probability is 1.0 × 10 ⁻⁶ or less. The bending radius refers to the radius of curvature of the central axis of the optical cable 2. Here, as the optical fiber, a fiber using quartz glass capable of transmitting a signal at a higher communication speed than plastic is employed, so that it is more likely to bend and break as compared with a plastic fiber.

  In addition, the optical cable 2 is set to a set dimension longer than the reference dimension when being routed in the routing route, and the dimensional tolerance with respect to the set dimension is not smaller than the reference dimension (preferably larger than the actual dimension of the optical cable 2). Are set up and manufactured for assembly work. For this reason, the optical cable 2 may be routed without slack, or may slack for an extra length longer than the actual reference size. Therefore, the present optical cable bending support member 10 is configured to absorb the surplus length so that the surplus length is absorbed at the bending position of the optical cable 2 when the surplus length occurs in the optical cable 2. The set size of the optical cable 2 avoids an insufficient length due to the routing of the optical cable 2 on the assembly drawing board, or an insufficient length of the optical cable 2 due to an unsuccessful peeling of the optical connector or the like. Therefore, it is set longer than the reference dimension. In the following description, as described above, the dimension that is longer than the reference dimension of the actual dimension of the optical cable 2 is referred to as a surplus length.

<About optical cable bending support member>
The optical cable bending support member 10 includes a first bending portion 20, a second bending portion 30, a supporting portion 40, and a detachment preventing portion 50 (see FIGS. 3 to 5).

  The first bending portion 20 has a first hooking surface 23 that can be hooked in a state where the optical cable 2 is bent. The first bending portion 20 has a first main body portion 22 and a guide portion 26.

  The first main body portion 22 is formed in a substantially disk shape, and the outer peripheral surface is the first hooking surface 23. Here, the first hooking surface 23 is set to a radius of curvature that allows the optical cable 2 to be bent while securing the preset minimum allowable bending radius in a state where the optical cable 2 is hooked. That is, the radius of the first main body portion 22 is set to be smaller than the minimum allowable bending radius of the optical cable 2 by the radius of the optical cable 2. However, the first hooking surface 23 is not limited to the one having the above-described curvature radius, and may be set to a curvature radius that maintains the optical cable 2 at a bending radius larger than the minimum allowable bending radius. The first body portion 22 is set to a thickness dimension that is larger (slightly larger here) than the diameter of the optical cable 2 to be supported.

  The guide part 26 is a part that restricts movement of the optical cable 2 hooked to the first main body part 22 on one side in the central axis direction of the first main body part 22. The guide portion 26 is formed in a substantially disk shape having a larger diameter than the first main body portion 22, and is provided at one end portion of the first main body portion 22 in a form in which the first main body portion 22 and the central axis substantially coincide with each other. . Preferably, the guide portion 26 is set to a radius larger than the radius of the first main body portion 22 by the radius of the optical cable 2. That is, it is preferable that the tip end portion of the guide portion 26 protrudes to the outer peripheral side of the first main body portion 22 from the central axis of the optical cable 2 hooked on the first main body portion 22.

  The second bending portion 30 has a second hooking surface 33 that can be hooked in a state where the optical cable 2 is bent with a bending radius larger than that of the optical cable 2 hooked on the first bending portion 20. The second bent portion 30 is provided on the other end side of the first bent portion 20 so that the first bent portion 20 and the central axis substantially coincide with each other. The second bending part 30 has a second main body part 32, a guide part 36, and a base part 38.

  The second body portion 32 is formed in a substantially disc shape, and the outer peripheral surface is the second hooking surface 33. More specifically, the second hooking surface 33 is set to a radius of curvature that can be bent by absorbing the extra length of the optical cable 2. Here, the radius of curvature of the second hooking surface 33 is set so that the optical cable 2 can be hooked by absorbing a surplus length longer than the reference dimension of the set dimensions of the optical cable 2. That is, when the optical cable 2 whose actual dimension is substantially the same as the set dimension is hooked on the second bent portion 30, it is possible to arrange the slack with less slack. Note that the radius of curvature of the second hooking surface 33 is large enough to process an extra length shorter than the length that can be processed by winding the optical cable 2 around the first bending portion 20 once. The second main body 32 is set to have a thickness dimension that is larger (slightly larger here) than the diameter of the optical cable 2 to be supported.

  The guide portion 36 is a portion that restricts movement of the optical cable 2 hooked to the second main body portion 32 on one side in the central axis direction of the second main body portion 32. The guide portion 36 is formed in a substantially disc shape having a larger diameter than the second main body portion 32, and is provided at one end portion of the second main body portion 32 in a form in which the second main body portion 32 and the central axis substantially coincide with each other. . Preferably, the guide part 36 is set to a radius larger than the radius of the second main body part 32 by the radius of the optical cable 2 or more. That is, the distal end portion of the guide portion 36 protrudes toward the outer peripheral side of the second main body portion 32 from the central axis of the optical cable 2 hooked on the second main body portion 32. The guide portion 36 is adjacent to the first body portion 22 of the first bending portion 20 on the other end side, and the optical cable 2 hooked on the first body portion 22 is connected to the center of the second body portion 32. It also plays a role of restricting movement on the other side in the axial direction.

  The base portion 38 is formed in a substantially disc shape, and is provided at the other end portion of the second main body portion 32 in a form in which the second main body portion 32 and the central axis substantially coincide with each other. Here, the base portion 38 is formed to have substantially the same diameter as the guide portion 36. The base 38 is capable of restricting movement of the optical cable 2 hooked on the second main body 32 on the other side in the central axis direction of the second main body 32.

  Here, the first bent portion 20 and the second bent portion 30 will be described with an example in which the first hooking surfaces 23 and 33 are outer peripheral surfaces that are flat in the thickness direction of the substantially disc-shaped first main body portions 22 and 32. However, the first hooking surfaces 23 and 33 may be, for example, concave surfaces having a cross-sectional arc shape that are concave on the inner peripheral side along the outer peripheral surface of the optical cable 2 in the thickness direction.

  The support part 40 is a part for supporting the 1st bending part 20 and the 2nd bending part 30 in the fixed position of the wire harness WH (refer FIGS. 3-5). More specifically, the support portion 40 is substantially orthogonal to the outer peripheral side thereof, that is, the central axis of the first bending portion 20 and the second bending portion 30 from one side end portion of the first bending portion 20 or the second bending portion 30. It is formed in a plate shape extending linearly toward one side. Here, the support portion 40 extends from one end portion of the base portion 38 of the second bent portion 30. That is, the support portion 40 is fixed by, for example, winding the adhesive tape T in a state where the wire harness WH is overlapped with the bent or branched position of the wire harness WH, thereby fixing the first bent portion 20 and the second bent portion 30 at a fixed position. Can be supported. The support portion 40 includes a support main body portion 42 and a retaining portion 46. The support body 42 is formed in a flat plate shape that is substantially rectangular in plan view. The retaining portion 46 is formed so as to protrude from the distal end portion of the support main body portion 42 in the direction from the second bending portion 30 toward the first bending portion 20.

  In addition, although the support part 40 may be provided so that it may extend in a some direction depending on the support location with respect to the wire harness WH, Preferably, it is good to be provided so that it may extend only to one side. Thereby, while the attachment structure of the optical cable bending support member 10 is simplified, it can be attached regardless of a place, and the advantage that it is excellent in versatility is obtained.

  Then, the extending direction of the wire harness WH and the extending direction of the support main body part 42 are substantially coincident with each other, and the support part 40 has the base part 38 of the support main body part 42 and the second bending part 30 on the outer peripheral part of the wire harness WH. The support main body portion 42 is wound with the adhesive tape T together with the wire harness WH in a posture to be brought into contact, and the first bent portion 20 and the second bent portion 30 can be supported at a fixed position of the wire harness WH. (See FIGS. 6 and 7). Here, since the support portion 40 is formed so as to extend from the base portion 38 of the second bending portion 30 having a larger diameter than the first bending portion 20, the supporting portion 40 has a larger diameter than the first bending portion 20 in the supporting state. Since the 2nd bending part 30 is located in the wire harness WH side and contacts, the inclination etc. can be suppressed and the optical cable 2 can be bent and supported stably.

  Further, in a state where the support main body portion 42 is wound with the adhesive tape T, a retaining portion 46 exists on the side of the adhesive tape T, and the support main body portion 42 can be prevented from coming out between the adhesive tapes T. . In addition, the 2nd bending part 30 exists in the edge part on the opposite side with respect to the retaining part 46 of the support main-body part 42, and it does not come out from between the adhesive tapes T on both sides.

  As for the said support part 40 and the base 38, the part (part on the opposite side to the 1st bending part 20) which contacts the wire harness WH at the time of fixation may have a curved surface along the outer peripheral surface of the wire harness WH. .

  Moreover, the support part 40 is not restricted to the said form, The structure which can be fixed by itself with respect to the wire harness WH may be sufficient. For example, the support portion may be formed in a band shape extending from one end portion in one direction of the base portion 38 of the second bending portion 30 and attached by being wound around the wire harness WH. Specifically, a configuration of a binding band (a configuration similar to a tightening portion 56 of the detachment preventing portion 50 described later) can be given.

  Here, the said 1st bending part 20, the 2nd bending part 30, and the support part 40 are integrally formed. For example, the first bent portion 20, the second bent portion 30, and the support portion 40 are made of a resin material using a mold having surfaces corresponding to the first bent portion 20, the second bent portion 30, and the support portion 40. Can be molded by injection molding or the like. But the 1st bending part 20, the 2nd bending part 30, and the support part 40 are each formed separately, and may be comprised as one member by assembling or bonding by fitting etc.

  The detachment prevention part 50 is a part that prevents the optical cable 2 hooked on the first bending part 20 or the second bending part 30 from being detached from the first bending part 20 and the second bending part 30 (FIGS. 3 to 3). 5). More specifically, the detachment prevention part 50 is for preventing the optical cable 2 from coming off the first bending part 20 or the second bending part 30 beyond the guide parts 26, 36. The disengagement prevention unit 50 includes a first hole 52, a second hole 54, and a tightening part 56.

  The first hole portion 52 is a hole portion that is formed in the first main body portion 22 of the first bending portion 20 and penetrates in the radial direction. The second hole portion 54 is a hole portion that is formed in the second main body portion 32 of the second bending portion 30 and penetrates in the radial direction. Here, the first hole portion 52 and the second hole portion 54 are each formed so as to penetrate in a direction substantially orthogonal to the extending direction of the support portion 40.

  The tightening portion 56 is formed in a long band shape that can be tightened so as to pass through the first hole portion 52 or the second hole portion 54 and wind the first bending portion 20 or the second bending portion 30. That is, the optical cable 2 hooked on the first bent portion 20 or the second bent portion 30 is a member that winds and tightens the first bent portion 20 or the second bent portion 30 together to prevent detachment. More specifically, the tightening portion 56 has a circumferential space surrounded by the first hooking surface 23, the guide portion 26, and the guide portion 36 (the second hooking surface 33, the guide portion 36, and the base portion 38). It is mounted so as to surround a part in the circumferential direction so as to cross the outer peripheral side. Here, a binding band is employed as the tightening portion 56. Here, the binding band is a member having a belt-like portion and a lock portion that is provided at one end of the belt-like portion and can be inserted through the other end portion of the belt-like portion. The belt-like portion is formed with a plurality of locked portions so as to be aligned in the extending direction, and the locking portion is formed with a locking portion that can be selectively locked to the plurality of locked portions. Yes. And if the other end side part of a strip | belt-shaped part is penetrated by the lock | rock part, a latching | locking part will latch to any one of several to-be-latched parts, and a cyclic | annular form will be maintained. However, the tightening portion 56 is not limited to a binding band, and may be a string-like member that is inserted into the first hole portion 52 or the second hole portion 54 so as to connect the end portions. Good.

  Next, an example in which the optical cable 2 is bent and supported at a fixed position such as a bending or branching position of the wire harness WH using the optical cable bending support member 10 will be described. Here, a case where the optical cable 2 is bent so as to be folded back approximately 180 degrees will be described (see FIGS. 6 and 7).

  This optical cable bending support member 10 is assembled to the wire harness WH on the assembly drawing board, and after being fixed at a fixed position of the wire harness WH, the optical cable 2 is hooked in the process of arranging the optical cable 2. To support bending. That is, in the following description, it is assumed that the optical cable bending support member 10 has the support portion 40 wound and fixed with the adhesive tape T together with the wire harness WH at a certain position of the wire harness WH.

  First, a case where an optical cable 2 having an actual dimension substantially the same as the reference dimension is arranged will be described.

  A portion of the optical cable 2 that is bent at a certain position of the wire harness WH is hooked to the first bent portion 20. That is, the optical cable 2 is disposed in a space surrounded by the first hooking surface 23 and the guide portions 26 and 36. As a result, the optical cable 2 is in a state where the bent portion contacts the first hooking surface 23 and is bent at the minimum allowable bending radius. That is, in this state, the optical cable 2 is prevented from being bent with a bending radius smaller than the minimum allowable bending radius. Further, the position of the optical cable 2 is regulated by the guide portions 26 and 36 so as to be positioned on the outer peripheral side of the first main body portion 22.

  In this state, the detachment prevention unit 50 prevents the optical cable 2 hooked on the first bending portion 20 from detaching. That is, the tightening portion 56 is inserted into the second hole portion 54 and is wound and fixed so as to surround the first bending portion 20 and the guide portion 36. Thereby, the optical cable 2 is restricted from moving to the outer peripheral side at two locations in the radial direction of the first bending portion 20 in the direction substantially orthogonal to the extending direction of the support portion 40.

  As described above, the optical cable 2 having the reference dimensions and the wire harness WH can be bent and supported at a certain position.

  Next, a case where an optical cable 2 having an actual dimension that is substantially the same as the set dimension is arranged will be described. That is, in the state of being hooked on the first bent portion 20, the optical cable 2 having such a length that the slack of the extra length of the difference between the set dimension and the reference dimension is generated is arranged.

  A portion of the optical cable 2 that is bent at a certain position of the wire harness WH is hooked on the second bending portion 30. That is, the optical cable 2 is disposed in a space surrounded by the second hooking surface 33, the guide portion 36, and the base portion 38. As a result, the bent portion of the optical cable 2 is in contact with the second hooking surface 33, the surplus length is absorbed, and the cable is arranged with less slack. Even in this state, the optical cable 2 is prevented from being bent with a bending radius smaller than the minimum allowable bending radius. Further, the position of the optical cable 2 is restricted by the guide portion 36 and the base portion 38 so as to be positioned on the outer peripheral side of the second main body portion 32.

  In this state, the tightening portion 56 is inserted into the first hole portion 52 and is wound and fixed so as to surround the second bending portion 30 to prevent the optical cable 2 hooked on the second bending portion 30 from coming off. To do. Thereby, the optical cable 2 is restricted from moving to the outer peripheral side at two locations in a direction substantially orthogonal to the extending direction of the support portion 40 in the radial direction of the second bent portion 30.

  As described above, the optical cable 2 whose actual dimension is longer than the reference dimension can be bent and supported at a certain position of the wire harness WH.

  In the case of the optical cable 2 having an actual dimension longer than the reference dimension and shorter than the set dimension, the optical cable 2 may be hooked on the first bent portion 20. In this case, since the generated surplus length is relatively small, the surplus length can be absorbed on the laying path of the optical cable 2. Further, the optical cable 2 is prevented from being detached from the first bent portion 20 by the guide portions 26 and 36 and the detachment preventing portion 50.

  Further, in the case of the optical cable 2 having an actual size that is longer than the set size and within the range of the positive dimensional tolerance, the second bent portion 30 may be hooked. Also in this case, since the generated surplus length is relatively small, the surplus length can be absorbed on the laying path of the optical cable 2. The optical cable 2 is prevented from being detached from the second bent portion 30 by the guide portion 36 and the base portion 38 and the detachment preventing portion 50.

  According to the optical cable bending support member 10, the first bent portion 20 having the first hooking surface 23 that can be hooked in a state in which the optical cable 2 is bent, and the optical cable 2 bent at a bending radius larger than that of the optical cable 2 that is hooked on the first bent portion 20. And a second bending portion 30 having a second hooking surface 33 that can be hooked in a state of being pulled. And the 1st bending part 20 and the 2nd bending part 30 can be supported to a fixed position by fixing the support part 40 to the wire harness WH. For this reason, the optical cable 2 can be supported in a bent state by securing the minimum allowable bending radius by hooking the optical cable 2 to the first bent portion 20, and the extra length longer than the reference dimension by hooking the optical cable 2 to the second bent portion 30. Can be absorbed and supported in a bent state. That is, by selectively hooking the first bent portion 20 or the second bent portion 30, the optical cable 2 can be supported in a bent state at a fixed position of the wire harness WH so that extra length processing can be performed. .

  Moreover, the 1st bending part 20 and the 2nd bending part 30 become the shape where the 1st hooking surfaces 23 and 33 whole are the outer peripheral surfaces of a disc, and face outward, for example, various bending forms (for example, , 180 degree folding, 90 degree bending form), and is excellent in versatility. That is, even when supporting the optical cable 2 routed in different bending forms, the optical cable 2 can be used without processing and the like, and the work efficiency can be improved while suppressing an increase in man-hours.

  Further, as a whole, since it is a compact member composed of two substantially disc portions (first bent portion 20 and second bent portion 30) and a plate-like portion (support portion 40) extending therefrom, The wire harness WH itself to which the optical cable bending support member 10 is attached can also be made compact, and the assemblability is good.

  Further, here, the first hooking surface 23 of the first bending portion 20 is set to a radius of curvature that allows the optical cable 2 to be bent at the minimum allowable bending radius, so that it is bent and supported by the optical cable bending support member 10. In addition, it is possible to suppress a decrease in transmission loss of the optical cable 2 and to prevent bending fracture.

  Moreover, the extra length of the optical cable 2 can be absorbed and the optical cable 2 can be bent and supported. That is, the extra length shorter than the length that can be absorbed by winding the optical cable 2 around the first bent portion 20 can be absorbed. This form is particularly suitable when the extra length generated for the optical cable 2 is determined within the range of the difference between the set dimension and the reference dimension and the sum of the plus dimensional tolerances. That is, the extra length is relatively small, and it is not necessary to wind the optical cable 2 several times to absorb the extra length.

  Further, the support portion 40 extends from one end portion of the first bending portion 20 or the second bending portion 30 toward the outer peripheral side, that is, one orthogonal to the central axes of the first bending portion 20 and the second bending portion 30. Since it is formed in a protruding plate shape, the first bent portion 20 and the second bent portion 30 can be easily wired by simply sticking the support portion 40 with an adhesive tape to a fixed object such as the wire harness WH. The harness WH can be fixed at a certain position.

  Moreover, since the 1st bending part 20, the 2nd bending part 30, and the support part 40 are integrally molded, reduction of a number of parts can be aimed at. Moreover, compared with the case where these parts are shape | molded separately, an assembly operation etc. can be abbreviate | omitted and work efficiency can be improved.

  Further, the detachment preventing unit 50 can prevent the optical cable 2 from being detached from the first bent portion 20 and the second bent portion 30. That is, the state where the optical cable 2 is bent and supported at a fixed position of the wire harness WH and routed in the routing route can be more reliably maintained. In addition, here, the detachment preventing portion 50 includes a first hole portion 52 and a second hole portion 54 formed in the first bending portion 20 and the second bending portion 30, and a tightening portion 56 that is inserted and tightened therethrough. The optical cable 2 can be prevented from coming off with a simple and compact configuration.

DESCRIPTION OF SYMBOLS 2 Optical cable 10 Optical cable bending support member 20 1st bending part 23 1st hooking surface 30 2nd bending part 33 2nd hooking surface 40 Supporting part 50 Detachment prevention part WH Wire harness

Claims (4)

An optical cable bending support member for supporting an optical cable at a fixed position in a bent state,
A first bent portion having a first hooking surface that can be hooked in a bent state of the optical cable;
A second bent portion having a second hooking surface that can be hooked in a state where the optical cable is bent with a larger bending radius than the optical cable hooked on the first bent portion;
A support portion capable of supporting the first bent portion and the second bent portion at a fixed position;
An optical cable bending support member comprising: The optical cable bending support member according to claim 1,
The said support part is an optical cable bending support member currently formed in the substantially plate shape extended toward the outer peripheral side from the one side edge part of the said 1st bending part or the said 2nd bending part. The optical cable bending support member according to claim 1 or 2,
The optical cable bending support member, wherein the first bending portion, the second bending portion, and the support portion are integrally formed. The optical cable bending support member according to any one of claims 1 to 3,
An optical cable bending support member further comprising a detachment preventing portion for preventing the optical cable hooked on the first bending portion or the second bending portion from being detached from the first bending portion or the second bending portion.

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