JP2009099300A - Shield connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To secure contact reliability between a braided wire of a shielded cable and a pressure bonded portion of a shield shell. <P>SOLUTION: The shield connector A comprises terminal fittings 10a, 10b, a housing 20, and the shield shell 30. The shield shell 30 has a cylindrical shield portion 33 for encircling the housing 20, and the open-barrel-shaped pressure bonded portion 34 to be caulked to the braided wire 64 of the shielded cable 60 and consists of a first shell structural member 31 in which the pressure bonded portion 34 is formed and a second shell structural member 32 in which a receiving portion 52 is formed to be inserted inside the braided wire 64 in a region corresponding to the pressure bonded portion 34. When the pressure bonded portion 34 is caulked to the braided wire 64, the braided wire 64 is firmly held between the pressure bonded portion 34 on the outer periphery side thereof and the receiving portion 52 on the inner periphery side thereof, thereby securing contact pressure between the pressure bonded portion 34 and the braided wire 64. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a shield connector.

Patent Document 1 discloses a shield connector that is connected to a shielded electric wire in a form in which a plurality of coated conductors are surrounded by a core and a cylindrical braided wire surrounding the outer periphery of the core is surrounded by a sheath. The shield connector includes a plurality of terminal fittings individually connected to a plurality of coated conductors, a housing that accommodates the plurality of terminal fittings, and a shield shell that surrounds the housing. As a connecting means, an open barrel-shaped crimping portion is formed.
JP 2002-319455 A

In the above shielded connector, as a means for connecting the crimping part and the braided wire, the crimping part of the crimping part is caulked so as to be held against the outer periphery of the braided wire. Since only the core having relatively low rigidity exists on the peripheral side, there is a possibility that the contact pressure between the crimping piece and the braided wire is not secured.
This invention is completed based on the above situations, Comprising: It aims at ensuring the contact reliability between the braided wire of a shielded electric wire, and the crimping | compression-bonding part of a shield shell.

  As a means for achieving the above object, the invention of claim 1 is a shield connector connected to a shielded electric wire in a form in which a plurality of conductors are surrounded by a cylindrical braided wire, A plurality of terminal fittings that are individually connected, a housing that houses the plurality of terminal fittings, a cylindrical shield that surrounds the housing, and an open connection that is connected by caulking to the outer periphery of the braided wire A shield shell having a barrel-shaped crimping portion, wherein the shield shell is an inner peripheral side of the braided wire in a region corresponding to the first shell constituent member in which the crimping portion is formed and the crimping portion. And a second shell constituent member in which a receiving portion to be inserted is formed.

  The invention according to claim 2 is the one according to claim 1, wherein the first shell constituent member has a box portion constituted by a bottom plate connected to the crimping portion and a pair of side plates rising from the bottom plate, The second shell constituent member has a cover part that constitutes the shield part by being assembled so as to close the opening part of the box part, and the housing is connected to the housing part with respect to the box part. It is characterized in that it can be fitted in a direction that intersects with the direction in which the conductor is led out from.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the shield portion is formed with a locking portion capable of holding the housing in a movement restricted state with respect to the shield portion. However, it has characteristics.

<Invention of Claim 1>
When the crimping part is caulked to the braided wire, the braided wire is firmly sandwiched between the crimping part on the outer peripheral side and the receiving part on the inner peripheral side, so that the contact pressure is secured, and the crimping part and the braided wire Excellent contact reliability.

<Invention of Claim 2>
When the housing is fitted to the box portion and the cover portion is covered, the housing is surrounded by the shield portion. Since the housing can be fitted to the box portion in a direction crossing the direction in which the electric wire is drawn from the housing, there is no possibility that the housing and the crimping portion interfere with each other when the housing is assembled.

<Invention of Claim 3>
Since the movement of the housing can be restricted with respect to the shield part, the braided wire can be positioned with respect to the crimping part.

<Embodiment 1>
A first embodiment of the present invention will be described below with reference to FIGS. First, the shielded electric wire 60 that is a connection target of the shield connector A of the present embodiment will be described.
The shielded electric wire 60 is a cylinder in which three covered electric wires 61 and 62 (conductors which are constituent elements of the present invention) are collectively surrounded by a core 63 and fine metal wires are meshed around the outer periphery of the core 63. The braided wire 64 having a shape is arranged so as to surround the braided wire 64, and the braided wire 64 is surrounded by a sheath 65. The covered electric wires 61 and 62 are known ones in which a metal core wire 66 is surrounded by a resin insulating coating 67, and two of the three covered electric wires 61 and 62 are first covered electric wires constituting a twisted pair wire. The remaining one is a second covered electric wire 62 that functions as a drain wire. The core 63 is made of an insulating resin, and the outer cross-sectional shape is circular. The sheath 65 is made of an insulating resin, and the outer cross-sectional shape is a concentric circle with the core 63.

  At the terminal portion (front end portion) of the shielded electric wire 60, the sheath 65, the braided wire 64, and the core 63 are removed, and the three covered electric wires are exposed so as to protrude forward from the front end surface of the core 63. . The protruding dimensions of the two first covered electric wires 61 from the core 63 are shorter than the protruding dimensions of the second covered electric wires 62 from the core 63. At the front end portion of the exposed portion of each covered electric wire, the insulation coating 67 is removed and the core wire 66 is exposed. Further, the front end portion of the core 63 and the front end portion of the braided wire 64 have a predetermined length from the front end of the sheath 65 by removing the sheath 65 (dimensions necessary for connection to the crimping portion 34 of the shield shell 30 described later). Only exposed. The braided wire 64 has flexibility, and a gap is secured between the outer periphery of the core 63 and the inner periphery of the braided wire 64 by deforming the braided wire 64 so as to expand the diameter. ing.

Next, the shield connector A will be described.
The shield connector A includes three terminal fittings 10a and 10b, a housing 20 for housing the three terminal fittings 10a and 10b, and a shield shell 30 that surrounds the housing 20 and is connected to the shielded electric wire 60. It is configured.

  As shown in FIG. 4, the three terminal fittings 10a and 10b include two first terminal fittings 10a having the same shape as each other, and one second terminal fitting having a different dimension in the front-rear direction from the first terminal fitting 10a. 10b. The terminal fittings 10a and 10b are of a well-known female shape obtained by bending a metal plate material, and have an elongated shape in the front-rear direction as a whole.

  A substantially first half region of each terminal fitting 10a, 10b is a rectangular tube portion 11 into which a tab at the tip of a male counterpart terminal (not shown) is inserted from the front. Are the same dimensions between the three terminal fittings 10a, 10b. On the other hand, an open barrel-shaped electrical connecting portion 12 is formed at the rear end portions of the terminal fittings 10a and 10b, and the length of the electrical connecting portion 12 in the front-rear direction is the same between the three terminal fittings 10a and 10b. is there. However, the length from the rear end of the rectangular tube portion 11 to the front end of the electrical connection portion 12 is shorter in the second terminal fitting 10b than in the first terminal fitting 10a. The positional displacement dimension in the front-rear direction of the electrical connection portion 12 between the two-terminal metal fitting 10b corresponds to the difference in the projecting dimension of the first covered electric wire 61 and the second covered electric wire 62 from the core 63. The exposed core wire 66 of the first covered electric wire 61 is connected to the electric connecting portion 12 of the first terminal fitting 10a by crimping, and the electric connecting portion 12 of the second terminal fitting 10b is connected to the electric connecting portion 12 of the second covered electric wire 62. The exposed core wire 66 is connected by crimping.

  The housing 20 is made of an insulating synthetic resin and has a flat block shape as a whole. Inside the housing 20, three terminal accommodating chambers 21 arranged in the left and right (width direction) are formed. The terminal accommodating chamber 21 is elongated in the front-rear direction, the front end of the terminal accommodating chamber 21 is opened to the front end surface of the housing 20 as an entrance for allowing the tab of the mating terminal to enter, and the rear end of the terminal accommodating chamber 21 is the terminal accommodating An opening for inserting the terminal fittings 10 a and 10 b into the chamber 21 is opened at the rear end surface of the housing 20. The rectangular tube portion 11 of the first terminal fitting 10a is inserted into the terminal accommodating chambers 21 located at both ends of the three terminal accommodating chambers 21, and the rectangular tube of the second terminal fitting 10b is inserted into the terminal accommodating chamber 21 located at the center. Part 11 is inserted. The inserted terminal fittings 10a and 10b are secured by a known lance (not shown).

  In a state where the rectangular tube portion 11 is inserted into the terminal accommodating chamber 21, as shown in FIG. 4, a region behind the rectangular tube portion 11, that is, a state where the electrical connection portion 12 protrudes backward from the rear end surface of the housing 20. It has become. Here, since the positions of the front ends of the rectangular tube portions 11 in the three terminal accommodating chambers 21 are all the same in the front-rear direction, the electrical connection portions 12 of the first terminal fittings 10a disposed at both ends are In this case, the second terminal fitting 10b disposed in the center is positioned behind the electrical connection portion 12. That is, the three electrical connection parts 12 are staggered.

  The housing 20 is formed with a pair of locking recesses 22 in the left and right side edges on the upper surface thereof in a symmetrical manner. Each locking recess 22 has a first recess 23 in a form in which the upper surface of the housing 20 is cut obliquely so as to be inclined downward toward the side surface, and the first recess 23 is notched downward in parallel with the side surface of the housing 20. It is comprised from the 2nd recessed part 24 of the form which was made. Also, a pair of locking projections 25 projecting downward are formed symmetrically on both left and right ends of the lower surface of the housing 20. The locking projection 25 is disposed at the same position as the locking recess 22 in the front-rear direction, and the dimension of the locking projection 25 in the front-rear direction is the same as the dimension of the locking recess 22 in the front-rear direction. The dimension in the direction is the same as the dimension in the left-right direction of the locking recess 22. The outer side surface of the locking projection 25 is flush with the side surface of the housing 20, and the inner side surface of the locking projection 25 is an inclined surface parallel to the first recess 23.

  The shield shell 30 is separate from the first shell constituent member 31 and the first shell constituent member 31 formed by bending a metal plate material punched into a predetermined shape and punched into a predetermined shape. The second shell constituting member 32 formed by bending a metal plate material and the like is assembled. A substantially first half region of the shield shell 30 is a square tube-shaped shield portion 33, and a substantially second half region of the shield shell 30 is an open barrel-shaped crimp portion 34.

  A box part 35 constituting the shield part 33 is formed in a substantially first half region of the first shell constituting member 31. The box portion 35 includes a bottom plate 36 that forms a flat square shape, and a pair of square side plates 37 that rise at right angles from the left and right side edges of the bottom plate 36. The front and rear dimensions and left and right dimensions of the bottom plate 36 are the same dimensions as the front and rear dimensions and left and right dimensions of the housing 20, and the front and rear dimensions and vertical dimensions of the side plate 37 are the same dimensions as the front and rear dimensions and vertical dimensions of the housing 20.

  The bottom plate 36 is formed with a pair of rectangular cut and raised pieces 38 that are formed by cutting the left and right side edges at a right angle downward. The cut-and-raised piece 38 is cut and raised to the outside so as to be flush with the side plate 37 with a fold where the bottom plate 36 and the side plate 37 are connected at right angles as a fulcrum. Are formed with a pair of square-shaped locking holes 39 (locking portions which are constituent elements of the present invention) symmetrically. The locking holes 39 are arranged so as to correspond to the locking protrusions 25 of the housing 20 in the front-rear direction and the left-right direction.

  In addition, the left and right side plates 37 are formed with a pair of first locking pieces 40 symmetrically by cutting a part thereof inward. The first locking piece 40 is cut and raised so as to be inclined with respect to the side plate 37 at the fold line in the front-rear direction serving as the upper end edge thereof. The first locking piece 40 is disposed so as to correspond to the locking recess 22 of the housing 20 in the front-rear direction and the vertical direction.

  Further, a pair of rectangular pressing pieces 41 are formed on the upper edge of the side plate 37 in a bilaterally symmetrical manner in such a form that the front end of the side plate 37 extends upward in a flush manner with the side plate 37. The pressing piece 41 is bent inward at a fold along the upper edge of the side plate 37. A substantially second half region of the pressing piece 41 corresponds to a locking recess 22 of the housing 20 and a second locking piece 47 of a second shell constituting member 32 described later in the front-rear direction.

  The first shell constituting member 31 is formed with a connecting portion 42 that extends rearward from the rear end of the box portion 35. The front end of the connecting portion 42 is connected to the bottom plate 36 and the side plate 37 of the box portion 35, and the cross-sectional shape perpendicular to the front-rear direction of the connecting portion 42 is generally U-shaped. The connecting portion 42 has a tapered shape such that the left-right dimension gradually decreases toward the rear. Further, the lower surface of the connecting portion 42 is gently inclined so as to have an upward slope toward the rear.

  A crimping portion 34 is connected to the rear end of the connecting portion 42. The crimping part 34 is composed of a board 43 that is long in the front-rear direction and connected to the bottom plate 36 that is conveyed via the connecting part 42, and two pairs of front and rear caulking pieces 44, 45 that rise upward from the left and right side edges of the board 43. Yes. The substrate 43 is curved so that the upper surface side is recessed, and the radius of curvature thereof is approximately the same as the radius of curvature of the outer diameter of the sheath 65. The pair of first caulking pieces 44 located on the front side of the two pairs of caulking pieces 44 and 45 function as connecting means connected to the braided wire 64, and the pair of second caulking pieces 45 located on the rear side include It functions as a fixing means fixed to the sheath 65.

  The second shell constituting member 32 has a flat plate shape as a whole, and a substantially first half region thereof is a cover portion 46 having a flat rectangular plate shape. The front-rear dimension and the left-right dimension of the cover 46 are the same as the front-rear dimension and the left-right dimension of the housing 20. A pair of second locking pieces 47 (locking portions that are constituent elements of the present invention) are formed symmetrically on the left and right side edges of the cover 46 by cutting and raising. The second locking piece 47 has a form extending in a cantilever direction outward in the width direction at the fold in the front-rear direction, and with respect to the cover portion 46 so as to descend downward from the fold toward the width direction outward. The inclined portion 48 extends obliquely, and the bent portion 49 is bent from the extending end of the inclined portion 48 so as to be perpendicular to the cover portion 46 and extends outward. The inclination angle of the inclined portion 48 is the same angle as the inclined surface of the first recess 23 of the housing 20. The pair of second locking pieces 47 are disposed at the same position as the locking recess 22 of the housing 20 in the front-rear direction.

  Similarly, the cover portion 46 is formed with a retaining projection 50 by knocking the center portion in the width direction upward. The retaining protrusion 50 has a triangular pyramid shape in which the ridge line gradually increases rearward. When the shield connector A of this embodiment is accommodated in an outer casing (not shown), the retaining protrusion 50 functions as a locking means for locking the outer casing in a detachment restricted state.

  Further, an extending portion 51 extends from the rear end edge of the covering portion 46 over the entire width thereof. The extending portion 51 corresponds to the connecting portion 42 of the first shell constituting member 31 in the front-rear direction and the width direction, and the shape of the extending portion 51 is rearward in the same manner as the connecting portion 42. It has a tapered shape (substantially trapezoidal shape) that gradually becomes narrower. Moreover, in the rear-end part of the extension part 51, it has the shape curved so that the lower surface side might be dented.

  The second shield connector A is formed with a receiving portion 52 that extends further rearward from the rear end of the extending portion 51. As shown in FIG. 3, the cross-sectional shape perpendicular to the front-rear direction of the receiving portion 52 has an arc shape in which the lower surface side is recessed. The radius of curvature of the receiving portion 52 is substantially the same as the radius of curvature of the outer periphery of the core 63. In the front-rear direction, the receiving portion 52 is positioned so as to correspond to the first caulking piece 44 of the crimping portion 34.

Next, a procedure for assembling the shield connector A according to this embodiment and a procedure for connecting to the shielded electric wire 60 will be described.
The first terminal fitting 10a and the second terminal fitting 10b are connected to different carriers (not shown), and constitute separate chain terminals (not shown). The two chain terminals are assembled so that their carriers overlap each other, thereby forming a composite chain terminal in a form in which a plurality of sets of terminal groups are connected to each other on the laminated carrier. One set of terminal groups is constituted by two first terminal fittings 10a and one second terminal fitting 10b disposed between the first terminal fittings 10a, and one set of terminal group is one housing 20. Will correspond. Further, in each terminal group, the electrical connection portions 12 of the two first terminal fittings 10a and the electrical connection portions 12 of the one second terminal fitting 10b are arranged in a staggered manner. One housing 20 is attached to each group of terminals. At the time of attachment, the rectangular tube portions 11 of the three terminal fittings 10a and 10b constituting the terminal group are inserted into the housing 20 at the same time.

  Such a composite chain terminal is intermittently moved at a predetermined pitch, whereby each terminal group is supplied to an automatic crimping machine (not shown) one by one. An automatic crimping machine is comprised from the anvil and the crimper which moves so that it may approach and leave | separate with respect to an anvil from upper direction. The anvil and the crimper are each formed with three molded portions arranged in a staggered manner so as to correspond to the staggered electrical connection portions 12. This automatic crimping machine is supplied with the shielded electric wire 60 in accordance with the supply timing of the terminal group, and one for the three electrical connection portions 12 of one set of terminal group by one crimping process by the anvil and crimper. The three covered electric wires 61 and 62 of the shielded electric wire 60 are connected to be conductive at the same time. In the automatic crimping machine, the three terminal fittings 10a and 10b constituting one set of terminal groups are separated from the carrier immediately before the covered electric wires 61 and 62 are crimped to the terminal fittings 10a and 10b.

  After the housing 20 is connected to the shielded electric wire 60 in this way, the housing 20 is assembled to the first shell constituting member 31. At the time of assembly, the housing 20 is fitted to the first shell constituting member 31 so as to be dropped into the box portion 35 from above (from the side where the box portion 35 is opened). At this time, the side surface of the housing 20 elastically deflects the first locking piece 40 outward. When the housing 20 is fitted in the correct position with respect to the box portion 35, the locking projection 25 is fitted into the locking hole 39, and the first locking piece 40 is elastically restored to lock the locking recess. 22 is fitted into the second recess 24.

  In a state in which the housing 20 is fitted in the box portion 35, the housing 20 is moved by the locking action of the locking protrusion 25 and the locking hole 39 and the locking action of the first locking piece 40 and the second recess 24. The first shell component member 31 is positioned in a state where movement in the front-rear direction is restricted. Further, when the side plate 37 contacts the side surface of the housing 20, the housing 20 is positioned in a state in which movement in the left-right direction is restricted with respect to the first shell constituting member 31. Further, the lower end of the first locking piece 40 is locked from above with respect to the lower end of the second recess 24, and the lower surface of the housing 20 abuts on the upper surface of the bottom plate 36. The component member 31 is positioned in a state where movement in the vertical direction is restricted.

  By this positioning, the three electrical connecting portions 12 and the three covered electric wires 61 and 62 are accommodated in the connecting portion 42, and the exposed portions of the shield wire 60 at the core 63 and the braided wire 64 are a pair of first caulking pieces. The front end portion of the sheath 65 of the shielded electric wire 60 is disposed between the pair of second caulking pieces 45.

  Thereafter, the second shell constituent member 32 is assembled to the first shell constituent member 31. When assembling, first, the upper portion of the front end of the braided wire 64 is lifted, and the receiving portion 52 of the rear end portion of the second shell constituting member 32 is moved from the front to the gap between the outer periphery of the core 63 and the inner periphery of the braided wire 64. Insert it. Next, the second shell constituting member 32 is covered from the top with respect to the first shell constituting member 31 while keeping the receiving portion 52 inserted between the core 63 and the braided wire 64, and the covering portion 46 is housed in the housing. 20 and the second locking piece 47 is fitted into the locking recess 22. Thereafter, the pressing piece 41 is overlapped on the upper surface of the cover portion 46 by bending at a right angle so as to be tilted inward. At this time, the second locking piece 47 is covered with the pressing piece 41. Thus, the assembly of the second shell constituent member 32 to the first shell constituent member 31 is completed.

  In a state where both the shell constituent members 31 and 32 are assembled, the second shell constituent member 32 is moved in the front-rear direction with respect to the first shell constituent member 31 by the engaging action of the second engaging piece 47 and the engaging concave portion 22. And it is positioned in a state where relative movement in the left-right direction is restricted. Further, the cover portion 46 is placed on the upper surface of the housing 20, and the pressing piece 41 is locked to the cover portion 46 from above, so that the second shell constituent member 32 is against the first shell constituent member 31. It is positioned in a state where the relative movement in the vertical direction is restricted. By these positioning operations, the receiving portion 52 inserted between the core 63 and the braided wire 64 is positioned at a predetermined position in the front-rear direction, the left-right direction, and the vertical direction. Further, the box portion 35 and the cover portion 46 constitute a square cylindrical shield portion 33 that surrounds the housing 20 from the top, bottom, left and right. The shield portion 33 is open in both the front and rear directions.

  Thereafter, the housing 20 and the shield shell 30 connected to the shielded electric wire 60 are supplied to an automatic crimping machine (not shown) different from the crimping of the terminal fittings 10a and 10b and the covered electric wires 61 and 62. In this automatic crimping machine, the first caulking piece 44 is deformed so as to be in close contact with the outer periphery of the braided wire 64 while being reduced in diameter, and the second caulking piece 45 is in close contact with the outer periphery of the sheath 65 while being reduced in diameter. Can be transformed into The second crimping piece 45 is crimped to the sheath 65 so as to bite into the outer periphery, and by this crimping action, the crimping portion 34 is fixed in a state in which movement and regulation of the shielded electric wire 60 are restricted.

  On the other hand, when caulking the first caulking piece 44, the extended end portion (upper end portion) of the first caulking piece 44 approaches the receiving portion 52 so as to be covered from above, and The braided wire 64 is sandwiched in the radial direction between them. Since the receiving portion 52 is made of metal and has higher rigidity than the resin constituting the core 63, it is possible to receive the pressing force from the first caulking piece 44 side. Accordingly, the braided wire 64 is firmly sandwiched between the receiving portion 52 and the first caulking piece 44 so that the braided wire 64 of the shielded electric wire 60 and the crimping portion 34 of the shield shell 30 can be conducted with a predetermined contact pressure. Connected. That is, the shield connector A of this embodiment is excellent in contact reliability between the braided wire 64 and the crimping portion 34 of the shield shell 30.

The first shell constituting member 31 has a box portion 35 constituted by a bottom plate 36 connected to the crimping portion 34 and a pair of side plates 37 rising from the bottom plate 36, and the second shell constituting member 32 is a box portion 35. The cover part 46 which comprises the shield part 33 is assembled | attached so that the opening part may be block | closed with respect to the box part 35, and the direction in which the housing 20 cross | intersects the lead-out direction of the conductor from the housing 20 Can be fitted. Therefore, when the housing 20 is assembled, there is no possibility that the crimping portion 34 and the housing 20 interfere with each other, and the assembling workability is excellent.
Further, since the shield portion 33 is provided with the first locking piece 40, the second locking piece 47 and the locking hole 39 as means for holding the housing 20 in a movement restricted state with respect to the shield portion 33, The braided wire 64 can be positioned with respect to the crimping part 34.

<Embodiment 2>
Next, a second embodiment of the present invention will be described with reference to FIG. The shield connector B of Embodiment 2 is connected to a six-pole shielded electric wire 90 and includes two housings 20 and one shield shell 70. The shielded electric wire 90 individually encloses two sets of covered electric wires consisting of six covered electric wires 91 and 92 with an inner core 93a, and the two inner cores 93a are collectively bundled with one outer core 93b. The outer core 93b is surrounded by a tubular braided wire 94, and the braided wire 94 is surrounded by a sheath 95. Of the six, four first covered wires 91 constitute two pairs of twisted pair wires, and the remaining two second covered wires 92 are drain wires. The two first covered electric wires 91 and the one second covered electric wire 92 constitute a set of covered electric wire groups, and each first covered electric wire 91 includes the same first terminal fitting 10a (see FIG. The second terminal fitting 10b (not shown) same as that of the first embodiment is connected to the second covered electric wire 92. The housing 20 is the same as that of the first embodiment, and two first terminal fittings 10a and one second terminal fitting 10b are inserted into each housing 20, respectively.

  Similarly to the first embodiment, the shield shell 70 is configured by assembling a first shell constituent member 71 and a second shell constituent member 72, and includes a shield portion 73 and a crimping portion 74. The first shell constituting member 71 has a box portion 75 composed of a bottom plate 76 and a side plate 77, and a connecting portion 78 having a substantially U-shaped cross section is extended to the rear end of the box portion 75. From, the open barrel-shaped crimping part 74 having the same form as that of the first embodiment is extended. Similarly to the first embodiment, the box portion 75 includes a pair of first locking pieces 79 (a locking portion which is a constituent element of the present invention) and a pair of locking holes 80 (a constituent element of the present invention). Stop). As in the first embodiment, the second shell constituting member 72 is formed by integrally forming a cover portion 81, an extending portion 82, and a receiving portion 83.

  The two housings 20 are stacked one above the other, and the locking projections 25 of the upper housing 20 are fitted into the locking recesses 22 of the lower housing 20, so that the two housings 20 extend in the front-rear direction and the left-right direction. Relative movement is restricted. The two housings 20 that are overlapped are fitted into the box portion 75 of the first shell constituting member 71. In the fitted state, the locking projection 25 of the lower housing 20 is fitted into the locking hole 80, and the first locking piece 79 is locked to the locking recess 22 of the upper housing 20. Thus, relative movement of the two housings 20 in the front-rear direction, the left-right direction, and the up-down direction with respect to the box portion 75 is restricted.

After the housing 20 is fitted into the box portion 75, the second shell constituting member 72 is assembled to the first shell constituting member 71. At this time, the receiving portion 83 is inserted into the gap between the outer periphery of the outer core 93 b and the inner periphery of the braided wire 94. After assembling the second shell constituting member 72, the two pairs of holding pieces 84 projecting downward on the left and right side edges of the cover portion 81 are made to bite into the outer surface of the side plate 77 of the box portion 75. Caulking. As a result, the first shell constituting member 71 and the second shell constituting member 72 are held in the assembled state, and a square cylindrical shield portion 73 surrounding the housing 20 is formed. Thereafter, the braided wire 94 and the sheath 95 are connected to the crimping portion 74 by crimping.
In addition, since it is the same as that of Embodiment 1 about structures other than the above, the same code | symbol is attached | subjected about the same structure and description of a structure, an effect | action, and an effect is abbreviate | omitted.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) Although the box part was formed in the 1st shell constituent member which has a press part in the above-mentioned embodiment, according to the present invention, the box part may be formed in the 2nd shell constituent member which has a receiving part.
(2) In the above embodiment, the box portion is formed only on the first shell constituent member. However, according to the present invention, the box portion is formed on both the first shell constituent member and the second shell constituent member. The shield part may be configured by the box part.
(3) In the above embodiment, the cylindrical shield portion is configured by the box portion of the first shell constituent member and the cover portion of the second shell constituent member. However, according to the present invention, the first shell configuration Only one of the members and the second shell constituent member may have a cylindrical shield portion.
(4) The present invention can also be applied to a case in which the shielded wire does not surround a plurality of covered wires with a core, but directly surrounds the plurality of covered wires with a cylindrical braided wire. In this case, the conductor that becomes the drain wire may be a conductor that is exposed to the braided wire in a form in which the core wire is exposed instead of the covered electric wire.

The perspective view showing the state which connected the shield connector of Embodiment 1 to the shield electric wire FIG. 1 is a perspective view showing an exploded state of FIG. Cross-sectional view showing the crimping part between the braided wire and the crimping part A plan view showing a state where three terminal fittings connected to a shielded wire are inserted into the housing. The perspective view showing the disassembled state of the shield connector of Embodiment 2.

Explanation of symbols

A ... shield connector 10a ... first terminal fitting 10b ... second terminal fitting 20 ... housing 30 ... shield shell 31 ... first shell component 32 ... second shell component 33 ... shield portion 34 ... crimping portion 35 ... box portion 36 ... Bottom plate 37 ... Side plate 39 ... Locking hole (locking part)
40 ... 1st locking piece (locking part)
46 ... covering portion 47 ... second locking piece (locking portion)
52 ... Receiving portion 60 ... Shielded wire 61,62 ... Coated wire (conductor)
63 ... Core 64 ... Braided wire

Claims (3)

A shield connector connected to a shielded electric wire in a form in which a plurality of conductors are surrounded by a cylindrical braided wire,
A plurality of terminal fittings individually connected to the plurality of conductors;
A housing for accommodating the plurality of terminal fittings;
A cylindrical shield portion surrounding the housing, and a shield shell having an open barrel-like crimping portion connected by caulking to the outer periphery of the braided wire,
The shield shell includes a first shell constituent member in which the crimp portion is formed, and a second shell constituent member in which a receiving portion to be inserted on the inner peripheral side of the braided wire is formed in a region corresponding to the crimp portion. A shielded connector characterized by comprising: The first shell constituent member has a box portion constituted by a bottom plate connected to the crimping portion and a pair of side plates rising from the bottom plate,
The second shell component member has a cover portion that constitutes the shield portion by being assembled so as to close the opening portion with respect to the box portion,
The shield connector according to claim 1, wherein the housing can be fitted to the box portion in a direction intersecting a direction in which the conductor is led out from the housing.   The shield connector according to claim 1, wherein the shield part is formed with a locking part capable of holding the housing in a movement restricted state with respect to the shield part.

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