Patent Publication Number: US-10312605-B2

Title: Terminal-equipped wire

Description:
TECHNICAL FIELD 
     The technology disclosed in the present specification is related to a terminal-equipped wire. 
     BACKGROUND ART 
     The structure disclosed in Patent Document 1 (JP2009-37743A) below is known as a conventional example of a structure at an end of a wire. This structure is formed by connecting an inner terminal  1  and an outer terminal  2  to an end of a wire  10 , which is formed by concentrically layering an internal insulating layer  12 , a shield layer  13 , and an external sheath  14  on the outer circumferential surface of a core wire  11 , from the inside out (see  FIGS. 15 and 16 ). 
     More specifically, a structure is employed in which the end of the wire  10  is stripped off to expose the core wire  11 , the internal insulating layer  12 , and the shield layer  13  in a step-like manner, the inner terminal  1  is connected to the core wire  11 , a crimp portion constituted by a pair of barrel pieces  3  provided on the outer terminal  2  is wrapped around the end of the shield layer  13 , and the outer terminal  2  is crimped to the end of the shield layer  13 . 
     SUMMARY 
     However, when such a wire  10  with a terminal connected thereto is subjected to a tensile load in a direction orthogonal to the axial direction, there may be cases where the pair of barrel pieces  3  attempt to open (see  FIG. 17 ). For this reason, a configuration has been proposed in which the wire  10  is passed through an annular sleeve, and the barrel pieces  3  are crimped onto a braided member having the sleeve as an underlayer, or the barrel of the terminal is formed as a closed barrel, thus improving the fixing strength of the crimping portion. 
     However, in addition to needing to pass the wire  10  through the annular-shaped part, processing such as cutting and welding needs to be performed on parts, which leads to an increase in costs, thus leaving room for improvement in terms of workability and manufacturing cost. 
     The technology disclosed in the present specification was realized based on the circumstances described above, and it is an object of the present application to provide a terminal-equipped wire with high fixing strength, and that is excellent in terms of workability and manufacturing cost. 
     The technology disclosed in the present specification provides a terminal-equipped wire configured by crimping a pair of barrel pieces provided on a terminal to an external sheath of a wire, the external sheath being provided on an outer circumferential surface of a core wire, in which the pair of barrel pieces are wrapped around the external sheath into a polygonal tube shape that has a plurality of corner portions in a circumferential direction of the external sheath, and leading end edges of the pair of barrel pieces are arranged on opposite sides of at least one corner portion out of the plurality of corner portions. 
     With this configuration, a configuration is employed in which the pair of barrel pieces are crimped to the external sheath into a polygonal tube, i.e. a cross-sectional polygonal shape, and thus the wire is strongly crimped discontinuously in the circumferential direction thereof, and excellent fixing strength is exhibited. Also, the leading end edges of the pair of barrel pieces are arranged so as to be on opposite sides of at least one corner portion out of the plurality of corner portions, and therefore, even if an external force is applied to the wire in the direction in which the pair of barrel pieces open, the pair of barrel pieces catch on the corner portion and are unlikely to open. In other words, higher fixing strength is exhibited compared to a conventional structure in which a barrel is wrapped into a curved cross-sectional shape around a wire. 
     Also, with such a terminal-equipped wire, similarly to conventional art, it is sufficient to wrap the pair of barrel pieces around the end of the wire, and thus this configuration is excellent in terms of workability and manufacturing cost. 
     The above-described terminal-equipped wire may employ the following configurations. 
     A configuration may be employed in which the wire includes a shield layer between the core wire and the external sheath, the shield layer is exposed at an end of the wire and folded back onto an outer circumferential surface of the external sheath, and the pair of barrel pieces are crimped to the external sheath via the shield layer. 
     Also, a configuration may be employed in which mutually matching abutting edge portions of the pair of barrel pieces have an uneven shape on a leading end side in an extension direction of the barrel pieces. 
     With this configuration, even if a mode is employed in which the pair of barrel pieces abut against each other, the barrel pieces are unlikely to easily open because portions near the leading end edge of each barrel piece are formed so as catch on a corner portion. Note that an uneven shape also includes a stepped shape in the shape of steps. 
     Also, a configuration may be employed in which an outer barrel is crimped to the pair of barrel pieces from the outside, and a pair of leading end edges of the outer barrel are arranged on opposite sides of at least one corner portion out of the plurality of the corner portions. 
     With such a configuration, the wire is crimped by the pair of barrel pieces and the outer barrel described above, and therefore the fixing strength between the terminal and the wire can be improved. Furthermore, the outer barrel is also formed so as to catch on corner portions, thus further improving the fixing strength. 
     Furthermore, a configuration may be employed in which the abutting edge portions of the pair of barrel pieces and the pair of leading end edges of the outer barrel are arranged at different positions in a circumferential direction of the wire. 
     With this configuration, even if an external force is applied to the wire in any direction, the pair of barrel pieces can be made to be less likely to open. 
     Also a configuration may be employed in which the terminal includes an inner terminal connected to the core wire, a dielectric that houses the inner terminal therein, and an outer terminal that has a housing portion that houses the dielectric, when divided along an extension direction of the housing portion, the housing portion of the outer terminal includes a first member and a second member, and the pair of barrel pieces are provided integrated with the first member and the outer barrel is provided integrated with the second member. 
     Accordingly, due to the outer barrel being provided integrated with the originally used second member, an increase in the number of parts can be avoided. 
     Furthermore, a configuration may also be employed in which the pair of barrel pieces overlap each other at leading end sides thereof. With this configuration, a terminal with the same shape as that in the conventional technology can be used. 
     With the technology disclosed in the present specification, a terminal-equipped wire with high fixing strength, and that is excellent in terms of workability and manufacturing cost can be provided. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG. 1  is a side view of a terminal-equipped wire according to Embodiment 1. 
         FIG. 2  is an exploded perspective view of an outer terminal. 
         FIG. 3  is a laid-out plan view of a barrel portion of the outer terminal. 
         FIG. 4  is a conceptual perspective view of the barrel portion in a wrapped state, shown from a rear side. 
         FIG. 5  is a cross-sectional view taken along line A-A in  FIG. 1 . 
         FIG. 6  is a laid-out plan view of a barrel portion of an outer terminal according to Embodiment 2. 
         FIG. 7  is a conceptual perspective view of the barrel portion in a wrapped state, shown from a rear side. 
         FIG. 8  is a side view showing a terminal-equipped wire according to Embodiment 3. 
         FIG. 9  is a cross-sectional view taken along line B-B in  FIG. 8 . 
         FIG. 10  is a laid-out plan view of a barrel portion of a terminal according to another embodiment. 
         FIG. 11  is similarly a conceptual perspective view of the barrel portion in a wrapped state, shown from a rear side. 
         FIG. 12  is similarly a cross-sectional view of the barrel portion of the terminal. 
         FIG. 13  is a laid-out plan view of a barrel portion of a terminal according to another embodiment. 
         FIG. 14  is similarly a conceptual perspective view of the barrel portion in a wrapped state, shown from a rear side. 
         FIG. 15  is a side view showing a conventional terminal-equipped wire. 
         FIG. 16  is a cross-sectional view taken along line C-C in  FIG. 15 . 
         FIG. 17  is a cross-sectional view showing the conventional terminal in an open state. 
     
    
    
     DESCRIPTION OF EMBODIMENTS 
     Embodiment 1 
     A terminal-equipped wire  100  according to Embodiment 1 will be described based on  FIGS. 1 to 5 . In the present embodiment, as shown in  FIG. 1 , a terminal  20  is connected to an end of a shielded wire  10 . 
     Note that in the following description, the left side of  FIG. 1  is the front side and the up-down direction of  FIG. 1  defines the upper and lower sides. 
     The shielded wire  10  has a structure in which a core wire  11  made of a single metal element wire or a twisted wire made of a plurality of metal element wires twisted together, a comparatively thick internal insulating layer  12 , a shield layer  13  made of braided wires, and an external sheath  14  that is made of an insulating material such as a synthetic resin are arranged coaxially from the inside out (see  FIG. 5 ). 
     End processing such as stripping is performed on the end of the shielded wire  10 , and the ends of the core wire  11 , the internal insulating layer  12 , and the shield layer  13  are exposed in a step-like manner. Also, the exposed shield layer  13  is folded back onto the outside of the external sheath  14  (see  FIG. 1 ). 
     The terminal  20  includes an inner terminal  21  connected to the core wire  11 , an outer terminal  30  connected to the shield layer  13 , and a dielectric (example of an insulator)  25  interposed between the inner terminal  21  and the outer terminal  30 . 
     The inner terminal  21  is formed by pressing a metal plate that has excellent electrical conductivity, and can be connected to a partner terminal that is not shown. The dielectric  25  is for electrically insulating the inner terminal  21  and the outer terminal  30 , and is made of an insulating material such as a synthetic resin. Also, the inner terminal  21  described above is configured to be inserted into an internally provided housing chamber from the rear side, and to be housed therein so as to not come loose. 
     As shown in  FIG. 2 , the outer terminal  30  is similarly formed by pressing a metal plate that has excellent electrical conductivity, and the front side portion is a fitting tube portion  31  (an example of a housing chamber) into which the above-described dielectric  25  is fitted. The fitting tube portion  31  has an elongated rectangular tube shape, and has a configuration including, when divided along an extension direction Y, a body portion  32  (example of first member) with a U-shaped cross section formed by a bottom wall portion  32 A and a pair of side wall portions  32 B, and a rectangular plate-shaped lid portion  33  (example of second member) that closes off a face opposing the bottom wall portion  32 A. The lid portion  33  is configured to be locked to the body portion  32  via a locking mechanism that is not shown. 
     The fitting tube portion  31  can be fitted and connected to a fitting tube portion of a partner terminal (not shown). The fitting tube portion  31  is configured such that the above-described dielectric  25  can be inserted backwards from an opening on the front side and housed so that it does not come loose therefrom. 
     A barrel portion  35  that is to be crimped to the end of the shield layer  13  is provided on the rear side of the bottom wall portion  32 A of the fitting tube portion  31 . The barrel portion  35  includes a placement portion  36  that extends rearward from the bottom wall portion  32 A of the fitting tube portion  31  via a linking portion  34  provided extending from the bottom wall portion  32 A, and a pair of barrel pieces  37  and  38  that are provided extending laterally from the two side edges of the placement portion  36 . 
     Below, out of the pair of barrel pieces, the barrel piece on the right side in  FIGS. 2 and 3  is the first barrel piece  37  and the barrel piece on the left side is the second barrel piece  38 . 
     As shown in  FIG. 3 , the pair of barrel pieces  37  and  38  extend laterally from the placement portion  36  substantially in an L-shape. More specifically, a region that is approximately half of the first barrel piece  37 , on the front side (lower side in  FIG. 3 ), is a long portion  37 A that has the longer protrusion dimension, and a region that is approximately half thereof on the rear side (upper side in  FIG. 3 ) is a short portion  37 B that has the shorter protrusion dimension. On the other hand, a region that is approximately half of the second barrel piece  38 , on the front side, is a short portion  38 A with the shorter protrusion dimension, and the region that is approximately half thereof on the rear side is a long portion  38 B that has the longer protrusion dimension. 
     The protrusion dimensions of the long portions  37 A and  38 B from the placement portion  36  are equivalent, and the protrusion dimensions of the short portions  37 B and  38 A from the placement portion  36  are equivalent. Also, a length dimension L 1  between leading end edges  37 C and  38 C of the pair of barrel pieces  37  and  38  (see  FIG. 3 ) is set to a length dimension that allows the shielded wire  10  to be compressed at a predetermined compression rate when the barrel portion  35  is crimped to the shielded wire  10  and the entirety of the edge portions on the leading end sides of the pair of barrel pieces  37  and  38  (hereinafter, abutting edge portions  37 E and  38 E) abut against each other. Note that the leading end edges  37 C and  38 C of the barrel pieces  37  and  38  refer to the leading end edges of the long portions  37 A and  38 B of the barrel pieces  37  and  38 . 
       FIG. 4  shows a conceptual view of the pair of barrel pieces  37  and  38  in an assembled state, seen from the rear side. The pair of barrel pieces  37  and  38  are crimped to the external sheath  14  of the shielded wire  10  into a rectangular shape, that is to say, a rectangular tube that has four corner portions in the circumferential direction. In this state, the leading end edges  37 C and  38 C of the pair of barrel pieces  37  and  38  are arranged on opposite sides of a corner portion  45  (an example of a corner portion), which is arranged on the upper side in  FIG. 4 . 
     Also, the abutting edge portions  37 E and  38 E (leading end sides of barrel portions  37  and  38  in extension direction X) of the barrel portions  37  and  38  have a stepped shape, which allows the pair of barrel pieces  37  and  38  to abut against and fit each other. Note that the broken lines in  FIG. 3  indicate a fold (corner portion). 
     On the other hand, as shown in  FIG. 2 , an outer barrel  40  that is to be externally crimped to the barrel portion  35  is provided integrated with the above-described lid portion  33  on the rear side thereof. The outer barrel  40  includes a covering portion  41  that extends rearward from the lid portion  33  via a second linking portion  39  provided extending from the lid portion  33 , and a pair of outer barrel pieces  42  and  43  extending laterally from the two side edges of the covering portion  41 . 
     Below, out of the pair of outer barrel pieces  42  and  43 , the outer barrel piece on the right side in  FIG. 2  is the first outer barrel piece  42  and the outer barrel piece on the left side is the second outer barrel piece  43 . 
     The pair of outer barrel pieces  42  and  43  extend laterally from the covering portion  41  substantially in an L-shape, similarly to the above-described pair of barrel pieces  37  and  38 . More specifically, a region that is approximately half of the first outer barrel piece  42 , on the front side, is a short portion  42 A that has the shorter protrusion dimension, and the region that is approximately half thereof on the rear side is a long portion  42 B that has the longer protrusion dimension. On the other hand, a region that is approximately half of the second outer barrel piece  43 , on the front side, is a long portion  43 A that has the longer protrusion length, and the region that is approximately half thereof, on the rear side, is a short portion  43 B that has the shorter protrusion dimension. 
     That is to say, the above-described barrel portion  35  of the body portion  32  and the outer barrel  40  of the lid portion  33  are configured such that the protrusion dimensions (lengths) of respective barrel pieces are opposite (reverse) when the shielded wire  10  is crimped. 
     The protrusion lengths of the long portions  42 B and  43 A from the covering portion  41  are equivalent, and the protrusion lengths of the short portions  42 A and  43 B from the covering portion  41  are equivalent. Also, a length dimension between leading end edges  42 C and  43 C of the pair of outer barrel pieces  42  and  43  (the length dimension in the direction orthogonal to the extension direction of the outer terminal  30  (extension direction Y of fitting tube  31 )) is set to be somewhat larger than the length dimension L 1  in the same direction between the leading end edges  37 C and  38 C of the barrel pieces  37  and  38  described above, and the outer barrel  40  is configured to snugly conform to the outer surface of the barrel portion  35  while the entirety of the edge portions on the leading end sides of the outer barrel pieces  42  and  43  abut against each other when the shielded wire  10  is crimped. Note that the leading end edges  42 C and  43 C of the outer barrel pieces  42  and  43  refer to the leading end edges of the long portions  42 B and  43 A of the outer barrel pieces  42  and  43 . 
     As shown in  FIG. 2 , the pair of barrel pieces  37  and  38  take on a posture of being open upward when the terminal  20  stands on its own, and are configured to be crimped so as to wrap around the end of the shield layer  13 . Also, the pair of outer barrel pieces  42  and  43  take on a posture of being open downward when the terminal  20  stands on its own, and are configured to be crimped so as to wrap around the outer circumferential surface of the pair of barrel pieces  37  and  38  when the pair of barrel pieces  37  and  38  are crimped to the terminal of the shield layer  13  (see  FIG. 5 ). 
     In this state, the leading end edges  37 C and  38 C of the pair of barrel pieces  37  and  38  and the leading end edges  42 C and  43 C of the outer barrel pieces  42  and  43  are arranged at positions different to each other in the circumferential direction of the shielded wire  10 . In the present embodiment, they are arranged at opposing positions (see  FIG. 5 ) 
     According to the above-described embodiment, a configuration is employed in which the pair of barrel pieces  37  and  38  are crimped into a polygonal tube shape, that is to say, a cross-sectional polygonal shape, to the shield layer  13  (shielded wire  10 ), and thus the shielded wire  10  is strongly crimped discontinuously in the circumferential direction thereof, and excellent fixing strength is exhibited. Also, the leading end edges  37 C and  38 C of the pair of barrel pieces  37  and  38  are arranged on opposite sides of one corner portion  45  out of four corner portions, and therefore, even if an external force is applied to the shielded wire  10  in the direction in which the pair of barrel pieces  37  and  38  open, each of the pair of barrel pieces  37  and  38  becomes caught on a corner portion  45  and is unlikely to open. That is to say, high fixing strength is exhibited. 
     Also, in such a terminal-equipped wire, similarly to conventional technology, it is sufficient to wrap the pair of barrel pieces  37  and  38  around the shielded wire  10  and crimp them, thus realizing excellence in terms of workability and manufacturing cost. 
     Also, the barrel pieces  37  and  38  are unlikely to easily open because the mutually matching abutting edge portions  37 E and  38 E of the pair of barrel pieces  37  and  38  each have an uneven shape (stepped shape) on the leading end sides of the barrel pieces  37  and  38  in the extension direction X and fit each other, and thus portions near the leading end edges of the barrel pieces  37  and  38  catch on the corner portion  45 . 
     Furthermore, the outer barrel  40  is crimped onto the pair of barrel pieces  37  and  38  from the outside, and the leading end edges  42 C and  43 C of the pair of outer barrel pieces  42  and  43  are arranged on opposite sides of one corner portion, out of four corner portions, and thus the shielded wire  10  is crimped by both the above-described pair of barrel pieces  37  and  38  and the outer barrel pieces  42  and  43 . Accordingly, the fixing strength between the outer terminal  30  and the shielded wire  10  can be further increased. 
     Furthermore, the abutting edge portions  37 E and  38 E of the pair of barrel pieces  37  and  38  and the pair of leading end edges  42 C and  43 C of an outer barrel  40  are arranged at different positions from each other in the circumferential direction of the shielded wire  10 , and thus, even if an external force is applied to the shielded wire  10  in any direction, the pair of barrel pieces  37  and  38  can be made less likely to open. 
     Also, the fitting tube portion  31  of the outer terminal  30  is configured by combining the body portion  32  and the lid portion  33 , and the pair of barrel pieces  37  and  38  are provided integrated with the body portion  32 , and the outer barrel  40  is provided integrated with the lid portion  33 . That is to say, because the outer barrel  40  is provided integrated with the originally required lid portion  33 , an increase in the number of parts can be avoided. 
     Embodiment 2 
     A terminal-equipped wire according to Embodiment 2 will be described based on  FIGS. 6 and 7 . Note that only constituent elements different from those of Embodiment 1 are described below, and constituent elements the same as those in Embodiment 1 have been given the same reference numerals, thereby omitting redundant descriptions. 
     The terminal-equipped wire in Embodiment 2 is different from that in the above-described Embodiment 1 in terms of the mode of a pair of barrel pieces  137  and  138  of a barrel portion  135 . The leading end sides of the pair of barrel pieces  137  and  138  of the present embodiment have a simple rectangular shape, and the length dimension (length of lateral protrusion from placement portion  136 ) of the first barrel piece  137  is set to be longer than the length dimension of the first barrel piece  37  in Embodiment 1. Also, in a state in which the barrel portion  135  is crimped to the shielded wire  10 , as shown in  FIG. 7 , only a predetermined length dimension of each leading end side of the pair of barrel pieces  137  and  138  is placed on the other, and a so-called overlap is formed. Also, the outer barrel is not crimped. 
     Even with a terminal-equipped wire such as that of Embodiment 2, similarly to the above-described Embodiment 1, the shielded wire  10  is strongly crimped discontinuously in the circumferential direction thereof, and excellent fixing strength is exhibited. Also, a configuration is employed in which leading end edges  137 C and  138 C of the pair of barrel pieces  137  and  138  are arranged on opposite sides of one corner portion  145  out of four corner portions, and thus, even if an external force is applied to the wire in a direction in which the pair of barrel pieces  137  and  138  open, the barrel pieces  137  and  138  catch on the corner portion  145  and are unlikely to open. That is to say, high fixing strength is exhibited. 
     Embodiment 3 
     A terminal-equipped wire  300  according to Embodiment 3 will be described using  FIGS. 8 and 9 . Only constituent elements different to Embodiment 1 are described below. Also, configurations similar to those of Embodiment 1 are denoted by adding  40  to the same reference numerals in Embodiment 1, thereby omitting redundant descriptions. 
     The terminal-equipped wire  300  of Embodiment 3 includes a wire  60  in which a sheath  64  is provided on the outer circumferential surface of a core wire  61  that is a bundled plurality of element wires, and a terminal  70  that is connected to an end of the wire  60 . 
     The terminal  70  is formed by pressing a metal plate that has excellent electrical conductivity, and, as shown in  FIG. 8 , includes a fitting tube portion  71  that has an approximate box shape that is open at the front and rear sides, and can receive a partner male terminal. A wire connecting portion  72  on which a wire  60  is placed and connected is provided on the rear side of the fitting tube portion  71 . 
     The wire connecting portion  72  has two barrels  74  and  75  that are provided spaced apart from each other and are formed protruding laterally from a placement portion  73  provided extending from the rear end of a bottom wall  71 A of the fitting tube portion  71 . Out of the two barrels  74  and  75 , the one on the front side is the wire barrel  74  crimped to the core wire  61 , and the one on the rear side is the insulation barrel  75  crimped to the sheath  64 . 
     The wire barrel  74  is crimped so that the leading end portions of a pair of wire barrel pieces bite into the core wire  61 . 
     On the other hand, the insulation barrel  75  has a pair of insulation barrel pieces  77  and  78 , and is crimped such that these insulation barrel pieces  77  and  78  are wrapped around the sheath  64  from both sides. 
     The insulation barrel  75  in the present embodiment has the same mode as the first barrel portion  35  of the above-described Embodiment 1. That is to say, the pair of insulation barrel pieces  77  and  78  have a stepped shape on the leading end sides thereof, and are wrapped around the sheath  64  of the wire  60  into a rectangular tube shape that has four corner portions in the circumferential direction, that is to say, a shape with a square cross section (see  FIG. 9 ). Also, leading end edges  77 C and  78 C of the pair of insulation barrel pieces  77  and  78  in the extension direction X are arranged on opposite sides of one corner portion  85  out of the four corner portions. 
     Also, an outer barrel  80  is crimped to the pair of insulation barrel pieces  77  and  78  from the outside. The outer barrel  80  has the same shape as the outer barrel  40  in Embodiment 1, but is different from that in Embodiment 1 in that it is separate from the terminal  70  and formed as a standalone body. 
     The outer barrel  80  in the present embodiment has the same mode as the outer barrel  40  in the above-described Embodiment 1. That is to say, a pair of outer barrel pieces  82  and  83  have a stepped shape on the leading end sides thereof, and their length dimensions (length) are set such that the length dimension of one of the barrel pieces  82  and  83  is opposite (reverse) to the other when mutually matched. 
     Also, the length dimension between leading end edges  82 C and  83 C of the outer barrel  80  (length dimension in direction orthogonal to extension direction Y of the terminal  70 ) is set to be somewhat longer than the length dimension in the same direction between the leading end edges  77 C and  78 C of the above-described insulation barrel  75 , and the length dimension is set such that, when crimped to the wire  60 , the outer barrel  80  snugly conforms to the outer circumferential surface of the insulation barrel  75 , and the entirety of the edge portions on the leading end sides of the outer barrel pieces  82  and  83  abut against each other. 
     Even in a terminal-equipped wire  300  such as that in Embodiment 3, similarly to Embodiment 1, the insulation barrel  75  of the terminal  70  can be strongly crimped discontinuously to the wire  60  in the circumferential direction thereof, and excellent fixing strength is exhibited. Also, a configuration is employed in which the leading end edges  77 C and  78 C of the pair of insulation barrel pieces  77  and  78  are arranged on opposite sides of one corner portion  85  out of four corner portions, and thus, even if an external force is applied to the pair of insulation barrel pieces  77  and  78  in an opening direction, the insulation barrel pieces  77  and  78  catch on the corner portions  85  and are unlikely to open. That is to say, high fixing strength is exhibited. 
     Other Embodiments 
     The technology disclosed in the present specification is not limited to the embodiments described by the above description and diagrams, and embodiments such as the following are also included within the technical scope. 
     In the above Embodiment 1, although an example was shown in which the barrel portion  35  of the terminal  20  is crimped to the shielded wire  10  into a rectangular tube shape (shape with a rectangular cross section), there is no limit to a rectangular tube shape, and crimping into a polygonal tube shape (cross-sectional polygon) such as a pentagonal tube, a hexagonal tube, or the like is also possible (see barrel portion  235  in  FIGS. 10 to 12 ). 
     In the above Embodiment 1, the edge portions on the leading end sides of the pair barrel pieces  37  and  38  and the pair of outer barrel pieces  42  and  43  are formed with a stair-like stepped shape, but the present invention is not limited to the above-embodiment, and may employ a mode such as that shown in the barrel portion  335  in  FIGS. 13 and 14  in which protrusions and recessions match each other (fit each other). Also, the uneven shape of the abutting edge portions is not limited to being straight, and can take any shape such as a curved shape like a wave. 
     In Embodiment 1, a configuration is employed in which the leading end edges of the pair of barrel pieces  37  and  38  and the pair of outer barrel pieces  42  and  43  are arranged on opposite sides of a corner portion of the barrel portion  35 , but a configuration may be employed in which they are arranged on opposite sides of two corner portions for example (see  FIG. 11 ). 
     In the above Embodiment 1, a configuration is employed in which the abutting edge portions  37 E and  38 E of the barrel portion  35  and the leading end edges  42 C and  43 C of the outer barrel  40  are arranged at different positions in the circumferential direction of the shielded wire  10 , but they are not necessarily required to be arranged at different positions. 
     It is to be understood that the foregoing is a description of one or more preferred exemplary embodiments of the invention. The invention is not limited to the particular embodiment(s) disclosed herein, but rather is defined solely by the claims below. Furthermore, the statements contained in the foregoing description relate to particular embodiments and are not to be construed as limitations on the scope of the invention or on the definition of terms used in the claims, except where a term or phrase is expressly defined above. Various other embodiments and various changes and modifications to the disclosed embodiment(s) will become apparent to those skilled in the art. All such other embodiments, changes, and modifications are intended to come within the scope of the appended claims. 
     As used in this specification and claims, the terms “for example,” “e.g.,” “for instance,” “such as,” and “like,” and the verbs “comprising,” “having,” “including,” and their other verb forms, when used in conjunction with a listing of one or more components or other items, are each to be construed as open-ended, meaning that the listing is not to be considered as excluding other, additional components or items. Other terms are to be construed using their broadest reasonable meaning unless they are used in a context that requires a different interpretation. 
     LIST OF REFERENCE NUMERALS 
     
         
           10  Shielded wire (wire) 
           11  Core wire 
           12  Internal insulating layer 
           13  Shield layer 
           14  External sheath 
           20  Terminal 
           21  Inner terminal 
           25  Dielectric (Insulator) 
           30  Outer terminal (terminal) 
           31  Fitting tube portion (housing portion) 
           32  Body portion (first member) 
           33  Lid portion (second member) 
           35  Barrel portion 
           37  First barrel piece 
           37 C,  38 C Leading end edge 
           37 E,  38 E Abutting edge portion 
           38  Second barrel piece 
           40 ,  80  Outer barrel 
           42  First outer barrel piece 
           43  Second outer barrel piece 
           45 ,  85  Corner portion 
           60  Wire 
           61  Core wire 
           64  Sheath 
           70  Terminal 
           75  Insulation barrel 
           77 ,  78  Insulation barrel piece (barrel piece) 
           100 ,  300  Terminal-equipped wire 
         X Extension direction of barrel 
         Y Extension direction of housing portion