JP2010170934A - Shield connector and shield shell - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance shielding performance, without enlarging a shield shell. <P>SOLUTION: A subshell 32 is formed with the first side plate 56 extended from a side edge of a plate-like part 43 in a substantially right-angled manner with respect to the plate-like part 43, the second side plate 57 extended from a front end edge of the first side plate 56 rearward in a folded-back manner along the first side plate 56, and a rear wall 58 extended from a rear end edge of the second side plate 57 in a substantially right-angled manner along the rear end edge 43R of the plate-like part 43, and the subshell 32 is assembled to a main shell 31, to close an end part area noncorresponding to a fixing part 34 out of an opened part 36 in a rear end of a rectangular tube part 33, by the rear wall 58. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a shield connector and a shield shell.

Patent Document 1 discloses a shield connector that is fixed to a terminal of a shield conductive path in a form in which a conductor is surrounded by a shield member. The shield connector includes a housing that houses a terminal fitting connected to a conductor, and a shield shell that surrounds the housing. The shield shell is formed by bending a metal plate material punched into a predetermined shape, and has a square tube portion for housing the housing, and an open barrel-like fixing portion as a conduction means for the shield member. . The adhering part is a form in which a pair of plate-like caulking pieces are extended in the circumferential direction from the left and right side edges of the substrate part, and by deforming the pair of caulking pieces radially inward, the outer circumference of the shield member Thus, the adhering portion is brought into close contact so as to be conductive.
Japanese Patent Laid-Open No. 2006-32211

  In the above shield connector, since the fixing portion is integrally formed at the rear end edge of the square tube portion, it is difficult to insert the housing from the rear into the square tube portion of the shield shell because the fixing portion becomes an obstacle. is there. Therefore, as a countermeasure, it is conceivable that the shield shell has a two-part configuration including a main shell having a rectangular tube portion and a subshell having a fixing portion protruding from the rear end edge of the plate-like portion. According to this configuration, before assembling the subshell to the main shell, the housing can be inserted into the rectangular tube portion from behind, and after the housing is inserted, it is overlapped with the rectangular tube portion of the plate-like portion. If the subshell is assembled to the shield shell, the fixed portion is disposed behind the square tube portion, and the fixed portion and the shield member can be fixed.

  Now, in the case of the shield shell of such a form, there is a concern that in the end region that does not correspond to the fixed portion of the open portion at the rear end of the square tube portion, the shield function is impaired because it is opened rearward. Therefore, it is desirable to form a rear wall that covers this end region. If the rear wall is formed at the rear end edge of the rectangular tube portion, the housing cannot be inserted from the rear, so that the rear wall is formed in the subshell.

  As a method of forming the rear wall in the subshell, a form in which the rear wall is extended at a right angle from the rear end edge of the plate-like portion is conceivable. In this case, in the unfolded metal plate material before bending the subshell, the rear wall is arranged so as to be connected to the rear of the plate-like portion, and the crimping piece of the fixing portion is further arranged behind the rear wall. become. Therefore, when the metal plate material is bent, a dead space corresponding to the area of the rear wall is left between the rear end edge of the plate-like portion and the crimping piece. When such a dead space is vacant, the front-rear length of the subshell is unnecessarily increased, and as a result, the shield shell and the shield connector are increased in size.

  The present invention has been completed based on the above circumstances, and an object thereof is to improve the shielding performance without increasing the size of the shield shell.

  As a means for achieving the above object, the invention of claim 1 is a shield connector connected to a terminal of a shield conductive path in a form in which a conductor is surrounded by a shield member, and a terminal fitting connected to the conductor. And a shield shell surrounding the housing, and the shield shell is provided with a square tube portion into which the housing can be inserted from the rear as means for surrounding the housing. In addition, as a means for adhering to the shield member in a form surrounding the outer periphery thereof, an open having a form in which a pair of caulking pieces are extended in the circumferential direction from the both side edges of the board part is arranged behind the square tube part. A barrel-shaped fixing portion is provided, and the shield shell is formed by bending a main shell having the square tube portion and a metal plate having a predetermined shape. The main shell so as to overlap the plate-like portion on the rectangular tube portion, the plate-like portion and the fixing portion in which the substrate portion protrudes from the rear end edge of the plate-like portion. The sub-shell includes a first side plate extending from the side edge of the plate-like portion at a substantially right angle to the plate-like portion, and a front end edge of the first side plate. A second side plate extending backward from the second side plate along the first side plate, and a rear wall extending substantially perpendicularly from the rear end edge of the second side plate along the rear end edge of the plate-like portion. By assembling the subshell to the main shell, an end region that does not correspond to the fixing portion of the open portion at the rear end of the rectangular tube portion is blocked by the rear wall. However, it has characteristics.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the main shell is formed with a protrusion fixed to the fixing portion together with the shield member.

  The invention of claim 3 is a shield shell that surrounds a housing in which a terminal fitting connected to the conductor is housed in a shield connector connected to a terminal of a shield conductive path in a form in which the conductor is surrounded by a shield member. As the means for surrounding the housing, a square tube portion capable of inserting the housing from the rear is provided, and the square tube portion is fixed as a means for surrounding the outer periphery of the shield member. Provided with an open barrel-like fixing portion in a form in which a pair of caulking pieces are extended in the circumferential direction from both side edges of the substrate portion, and a main shell having the square tube portion, and a predetermined shape A metal plate material is formed by bending, and has a plate-like portion and the fixing portion in a form in which the substrate portion protrudes from a rear end edge of the plate-like portion, and the plate-like portion is the corner. A shield shell comprising a sub-shell assembled to the main shell so as to overlap with a portion, wherein the sub-shell includes a first side plate extending from the side edge of the plate-like portion substantially at right angles to the plate-like portion. And a second side plate extending backward along the first side plate from the front end edge of the first side plate, and a rear end edge of the second side plate to a rear end edge of the plate-like portion. A rear wall extending at a substantially right angle so as to follow, and by attaching the subshell to the main shell, an end region that does not correspond to the fixing portion of the open portion of the rear end of the rectangular tube portion is formed. , Characterized by being blocked by the rear wall.

  The invention of claim 4 is characterized in that, in the invention described in claim 3, the main shell is formed with a projection portion fixed to the fixing portion together with the shield member.

<Invention of Claims 1 and 3>
Since the open part at the rear end of the rectangular tube part is closed with the rear wall, the shielding performance is improved. Further, when the rear wall is formed in the subshell, the rear wall is not extended from the rear end edge of the plate-like portion, but the first side plate connected to the side edge of the plate-like portion and the second side plate connected to the first side plate. After the side plate is formed, the rear wall is connected to the second side plate. According to this aspect, in the state where the metal plate material is expanded, it is not necessary to have a rear wall or a side plate behind the plate-like portion, so the caulking piece of the fixing portion is arranged close to the rear edge of the plate-like portion. can do. Thereby, a dead space is not made between a plate-shaped part and the adhering part, the front-rear length of the shield shell can be shortened, and the shield connector can be miniaturized.

<Invention of Claims 2 and 4>
Since the shield shell is composed of two separate parts, a main shell and a subshell, there is a concern that mechanical backlash and poor electrical contact may occur between the main shell and the subshell. Therefore, in the present invention, the main shell is formed with a protrusion that is fixed to the fixing portion together with the shield member. The fixed portion between the fixed portion and the protrusion is mechanically integrated and held in contact with each other, so mechanical backlash and poor electrical contact between the main shell and the subshell Can be avoided.

<Embodiment 1>
A first embodiment of the present invention will be described below with reference to FIGS. The shield connector A of this embodiment is connected to the terminal part (front end part) of the shield conductive path B. As shown in FIGS. 10 to 12, the shield conductive path B includes four conductors 10 made of covered electric wires, and a cylindrical shield member 11 made of a braided wire that surrounds the four conductors 10 in a bundled state. A well-known configuration is provided with a cylindrical insulating sheath 12 surrounding the outer periphery of the shield member 11. At the front end portion of the shield conductive path B, the shield member 11 protruding forward from the front end of the sheath 12 is folded back, the folded portion 11a of the shield member 11 is put on the outer periphery of the sheath 12, and is led out from the front end of the sheath 12. In this state, the covering of each conductor 10 is removed. In addition, a metal sleeve 13 having a cylindrical shape is fitted on the sheath 12 in advance, and this sleeve 13 is interposed between the outer periphery of the sheath 12 and the folded portion 11 a of the shield member 11.

  The shield connector A includes a holder 20 that holds the front end portions of the four conductors 10 in parallel with each other at a predetermined pitch in the width direction (left and right direction), and four female terminal fittings 21 connected to the conductors 10. And an inner housing 22 that houses the four terminal fittings 21 (a housing that is a constituent element of the present invention), a shield shell 30 that surrounds the inner housing 22, and an outer housing 23 that surrounds the shield shell 30. Has been. The shield member 30 of the shield conductive path B is connected to the shield shell 30 so as to be electrically conductive.

  Next, the configuration of the shield shell 30 will be described in detail. The shield shell 30 is configured by assembling a metal subshell 32 as well as a metal main shell 31 so as to be electrically conductive. The shield shell 30 is provided with a rectangular tube portion 33 into which the inner housing 22 can be inserted from the rear as a means for surrounding the inner housing 22 and surrounds the outer periphery of the shield member 11. As an adhering means, an open barrel-like adhering portion 34 disposed behind the rectangular tube portion 33 is provided.

  The main shell 31 is configured to include a rectangular tube portion 33 having a horizontally long shape that penetrates in the front-rear direction, and a projection portion 35 that protrudes rearward from the rear end edge of the upper surface wall of the rectangular tube portion 33. Yes. The protrusion 35 protrudes backward from the center position in the left-right direction in the rear end edge of the upper surface wall, and the shape of the protrusion 35 viewed from the rear is curved so as to form a substantially arc shape in which the upper surface side swells. is doing. Further, the protruding portion 35 does not protrude downward from the upper surface wall (the open portion 36 at the rear end surface of the rectangular tube portion 33). A pair of left and right lances 37 are formed on the upper wall so as to protrude obliquely downward and forward.

  A stopper 38 is formed on the front end edge of the upper surface wall of the rectangular tube portion 33 so as to protrude downward at the center position in the width direction. 38 is formed. Further, a notch 39 having a shape in which the rear end side region is notched in a substantially square shape over the entire width is formed in the lower wall. Positioning protrusions 40 are formed on the lower end edges of the left and right side walls of the rectangular tube 33 so as to protrude downward within a range corresponding to the notch 39 in the front-rear direction. Further, a folded receiving portion 41 is formed on the inner surface of the positioning projection 40.

  The subshell 32 is formed by bending a metal plate material 42 punched into a predetermined shape shown in FIG. The subshell 32 is formed by integrally forming a square plate-like portion 43 and a fixing portion 34 extending rearward from the rear end edge 43R of the plate-like portion 43. Positioning portions 44 are formed in the left and right side edges of the plate-like portion 43 so as to be shallowly recessed. A pair of left and right contact pieces 45 are formed on the front end edge of the plate-like portion 43 so as to protrude obliquely upward.

  The fixed portion 34 is continuous with the rear end edge 43 </ b> R of the plate-like portion 43. The fixing portion 34 has an open barrel shape in which a pair of plate-like caulking pieces 47 and 48 are extended in the circumferential direction from the left and right side edges of the substrate portion 46 in the front-rear direction (axial direction of the shield conductive path B). There is no. The fixed portion 34 protrudes rearward from the rear end edge 43R of the plate-like portion 43 in a form in which the front end of the substrate portion 46 is connected to the rear end edge 43R of the plate-like portion 43. In the unfolded state before the metal plate material 42 is bent, the pair of caulking pieces 47 and 48 extend in the left-right direction along the rear end edge 43R of the plate-like portion 43 as shown in FIG. Has been placed. Further, in a state after the metal plate material 42 is bent and before the fixing portion 34 is fixed to the shield member 11, as shown in FIGS. 2 and 4, the pair of caulking pieces 47 and 48 are formed on the substrate portion 46. The direction is extended obliquely upward.

  Of the pair of caulking pieces, the first caulking piece 47 is formed with a convex portion 49 that protrudes in the circumferential direction from the extending end edge in the front-rear direction. The convex part 49 is arrange | positioned in the center position in the front-back direction among extension edges. Further, the convex portion 49 is formed with a pair of first locking portions 50 that protrude from both front and rear side edges along the protruding direction (circumferential direction).

  As shown in FIGS. 7 and 8, in the unfolded state before the metal plate material 42 is bent and in the state where the fixing portion 34 is fixed to the shield member 11, the first locking portion of the protruding end portion of the convex portion 49 is used. The region where 50 is formed has a trapezoidal shape that becomes narrower toward the protruding end side.

  In a state after the metal plate material 42 is bent and before the fixing portion 34 is fixed to the shield member 11, as shown in FIGS. 4 and 5, the convex portion 49 and the first engagement portion of the first caulking piece 47. The stopper 50 is bent and formed into a shape that is curved in a substantially arc shape when viewed in the circumferential direction. The curved form of the convex portion 49 and the first locking portion 50 is such that the central portion in the width direction orthogonal to the protruding direction (that is, the circumferential direction) of the convex portion 49 from the first caulking piece 47 swells to the outer peripheral side. It is a form. By bending the convex portion 49 and the first locking portion 50 in this way, as shown in FIG. 9, the convex portion 49 including the first locking portion 50 has a width dimension orthogonal to the circumferential direction. The width is smaller than the opening width of the opening 52 of the recess 51 described later.

  Of the pair of caulking pieces 47, 48, the second caulking piece 48 is formed with a recess 51 having an opening at the extending end edge in the front-rear direction. In the opening 52 of the recess 51, a pair of front and rear second locking portions 53 are formed so as to protrude along the extending edge of the second crimping piece 48. The front second locking portion 53 protrudes rearward from the front edge of the opening 52, and the rear second locking portion 53 protrudes forward from the rear edge of the opening 52, Due to the pair of second locking portions 53, the recess 51 has a form in which the opening width of the opening 52 is narrowed. The inner edge (the side facing the recess 51) of the second locking portion 53 is inclined with respect to the circumferential direction.

  Moreover, the part which pinches | concludes the recessed part 51 among the 2nd crimping pieces 48 becomes a pair of arm part 54, The above-mentioned 2nd latching | locking part 53 becomes a form protruded from the front-end | tip of the arm part 54. As shown in FIG. . The front end and the rear end of the recess 51 are obliquely projected to the second locking portion 53 side at the rear end edge (the edge opposite to the opening 52 in the circumferential direction). A pair of reinforcing portions 55 is formed. By this reinforcing portion 55, the base end portion of the arm portion 54 is reinforced by expanding the width dimension. Due to this reinforcement, the arm portion 54 is less likely to be deformed to increase the opening width of the opening 52 of the recess 51.

  A rectangular first side plate 56 that extends upward at substantially right angles to the plate-like portion 43 is integrally formed at a position near the rear end portions on the left and right side edges of the plate-like portion 43. From the front end edge of the first side plate 56, a square second side plate 57 is integrally formed in a form extending in a folded manner rearwardly along the inner surface of the first side plate 56. The upper end edge of the second side plate 57 (the end edge opposite to the plate-like portion 43) has the same height as the upper end edge of the first side plate 56. The lower edge of the second side plate 57 is positioned higher than the lower edge of the first side plate 56 (plate portion 43). Further, the rear end edge of the second side plate 57 is located behind the rear end edge of the first side plate 56.

  From the rear end edge of the second side plate 57, a rear wall 58 having a rectangular shape is formed integrally with the second side plate 57 so as to extend along the rear end edge 43R of the plate-like portion 43 at a substantially right angle. Has been. The rear wall 58 is disposed at substantially the same position as the rear end edge 43R of the plate-like portion 43 in the front-rear direction. The upper end edge of the rear wall 58 (the end edge opposite to the plate-like portion 43) has the same height as the upper end edges of the first side plate 56 and the second side plate 57. The lower end edge of the rear wall 58 (the end edge on the plate-like portion 43 side) has the same height as the lower end edge of the second side plate 57.

  In the unfolded state before the metal plate material 42 is bent, as shown in FIG. 7, the first side plate 56 is positioned in the vicinity of the side of the plate-like portion 43, and the second side plate 57 is positioned in front of the first side plate 56. The rear wall 58 is positioned in front of the second side plate 57. That is, the first side plate 56, the second side plate 57, and the rear wall 58 are located in front of the rear end edge 43 </ b> R of the plate-like portion 43 (in the direction opposite to the fixing portion 34 in the front-rear direction). It arrange | positions with the form which continues in the front-back direction along a side edge. Therefore, when the rear wall 58 is formed on the subshell 32, neither the rear wall 58 nor the first side plate 56 and the second side plate 57 that support the rear wall 58 interfere with the caulking pieces 47 and 48 of the fixing portion 34. . Accordingly, the crimping pieces 47 and 48 are disposed in the vicinity of the rear end edge 43R of the plate-like portion 43, and between the rear end edge 43R of the plate-like portion 43 and the crimping pieces 47 and 48 (adhering portion 34). There is no big dead space. According to such a form of forming the rear wall 58, the longitudinal length of the shield shell 30 can be shortened, and as a result, the shield connector A can be reduced in size.

  Next, the assembly process of the shield connector A will be described. The rear end portion of the terminal fitting 21 is connected to each conductor 10 of the shield conductive path B, and then the front end portion of the conductor 10 is fitted into the groove portion of the holder 20 so that the conductor 10 and the terminal fitting 21 are positioned in the left-right direction. To do. Thereafter, the four terminal fittings 21 are simultaneously inserted into the inner housing 22, and then the inner housing 22 is inserted into the rectangular tube portion 33 of the main shell 31 from the rear. At this time, the subshell 32 is not assembled to the main shell 31, and there is no one that advances into the opening 36 at the rear end of the main shell 31, so that the inner housing 22 can be inserted without any trouble.

  Further, the inner housing 22 inserted into the rectangular tube portion 33 is secured by locking the lance 37 of the rectangular tube portion 33 in the locking hole 22a on the upper surface thereof, and the front edge of the rectangular tube portion 33 It stops in front by abutting against the stopper 38. In a state where the inner housing 22 is housed in the rectangular tube portion 33, the four conductors 10 led out from the inner housing 22 are surrounded by the rear end portion of the rectangular tube portion 33 and in the vicinity of the rear of the rectangular tube portion 33. The folded portion 11a of the shield member 11 and the sleeve 13 are disposed at the position. And the protrusion part 35 contacts or approaches the outer surface of the folding | returning part 11a of the shield member 11, and respond | corresponds.

  Thereafter, the subshell 32 is assembled to the main shell 31 so as to approach from below. In a state in which both shells 31 and 32 are assembled, the plate-like portion 43 of the subshell 32 closes the opening area of the cutout portion 39 of the main shell 31 and is in a form along the outer surface (lower surface) of the inner housing 22. Further, when the positioning protrusion 40 of the main shell 31 is fitted into the positioning portion 44 of the subshell 32, the relative movement of the shells 31 and 32 in the front-rear direction is restricted. Furthermore, the receiving part 41 is locked from the lower side with respect to the side edge part of the plate-like part 43, whereby the vertical separation of the shells 31 and 32 is restricted. Further, the contact piece 45 of the subshell 32 is elastically brought into contact with the outer surface of the main shell 31, and the shells 31 and 32 are connected so as to be electrically conductive.

  In the state where both shells 31 and 32 are assembled, the central region in the left-right direction of the open portion 36 at the rear end of the rectangular tube portion 33 is closed by the fixing portion 34 and the shield conductive path B. Of these, the left and right end regions that do not correspond to the fixing portion 34 and the shield conductive path B are closed by the rear wall 58 formed in the subshell 32. Thereby, high shielding performance at the rear end of the rectangular tube portion 33 is exhibited. Further, the substrate portion 46 of the fixing portion 34 is positioned so as to sandwich the portion of the shield conductive path B where the folded portion 11a of the shield member 11 is exposed vertically with the protruding portion 35, and both caulking pieces 47 and 48 are located so that the part which the folding | returning part 11a of the shield member 11 of the shield conductive path B is exposed may be pinched | interposed in the left-right direction.

  Thereafter, the adhering portion 34 and the shield member 11 are connected using an automatic crimping machine (not shown) having an anvil and a crimper. At the time of connection, the shield shell 30 and the shield conductive path B are set so that the substrate portion 46 of the fixing portion 34 is placed on the anvil. Then, the crimper descends and comes into contact with the leading end (upper end) of the convex portion 49 of the first caulking piece 47 and the extended end edge of the second caulking piece 48. As the crimper descends, the crimping pieces 47 and 48 are deformed so as to fall inward and wrap around the folded portion 11 a of the shield member 11.

  In this process, the inner peripheral surfaces of the two crimping pieces 47 and 48 are in contact with the left and right side edges of the protrusion 35. At this time, the extending edge of the first crimping piece 47 in the front-rear direction is used. Of these, the front and rear regions of the convex portion 49, and the rear edge in the front-rear direction closest to the substrate portion 46 among the opening edges of the concave portion 51 of the second caulking piece 48 hit the side edge of the projection portion 35, and As a result, there is a concern that further normal deformation of the crimping pieces 47 and 48 may be hindered. However, in the present embodiment, the position of the first caulking piece 47 that first contacts the protrusion 35 is set in a region closer to the substrate part 46 than the extending edge of the first caulking piece 47, and The position where the second caulking piece 48 first comes into contact with the protrusion 35 is also set in the region closer to the substrate portion 46 than the back edge of the recess 51. Therefore, there is no possibility that the extended end edges of the crimping pieces 47 and 48 hit the side edges of the protrusions 35.

  After both the crimping pieces 47 and 48 are in contact with the protrusion 35 as described above, the two crimping pieces 47 and 48 are deformed so that their extended end edges are close to each other in the circumferential direction, and the end of the deformation Then, the convex portion 49 enters the concave portion 51. Here, the convex portion 49 of the first caulking piece 47 and the first locking portion 50 are formed in a bent shape, and the first locking portion 50 and the second locking portion 53 are thus bent. While being displaced inward in the plate thickness direction (radial direction) from the locking position, the position is displaced in the opening width direction of the recess 51. Specifically, as shown in FIG. 5, the convex portion 49 and the first locking portion 50 are bent so as to be curved in a substantially arc shape when viewed in the circumferential direction, thereby passing through the opening 52 of the concave portion 51. The narrow form is possible. Therefore, in the process in which both the caulking pieces 47 and 48 approach in the circumferential direction, the convex portion 49 and the first locking portion 50 do not interfere with the second locking portion 53 without interfering with the concave portion 51 as shown in FIG. You can enter inside.

  When the convex portion 49 enters the concave portion 51, the lowering of the crimper stops, and the deformation of both the crimping pieces 47 and 48 in the circumferential direction is completed. As a result, the folded portion 11a of the shield member 11 is strongly pressed against the outer periphery of the sleeve 13 by the base plate portion 46 and the both crimping pieces 47 and 48, and the shield member 11 and the subshell 32 (shield shell 30) can be electrically connected. And is fixed in a state in which detachment is restricted by friction.

  At this time, the projecting portion 35 of the main shell 31 is firmly sandwiched between the crimping pieces 47 and 48 and the sleeve 13 together with the folded portion 11 a of the shield member 11. In other words, the projecting portion 35 is fixed to the fixing portion 34 together with the shield member 11. As a result, the protrusion 35 and the two crimping pieces 47 and 48 are fixed in a state where relative displacement is restricted, and the main shell 31 and the subshell 32 are held in an assembled state without rattling. Further, since the protruding portion 35 and the both crimping pieces 47 and 48 are fixed in a direct contact state, the main shell 31 and the subshell 32 are securely held in a state where they are connected so as to be electrically conductive.

  After both the crimping pieces 47 and 48 are deformed and fixed to the shield member 11, the outer peripheral surface of the convex portion 49 is pressed or pressed by a pressure member (not shown) incorporated in the crimper. At this time, the convex portion 49 and the first locking portion 50 are bent in such a manner that the central portion in the width direction (front-rear direction) orthogonal to the protruding direction of the convex portion 49 bulges toward the outer peripheral side. There is only one hitting position or pressing position on the outer peripheral surface of 49 in the center portion in the width direction, and an area along the circumferential direction of the center portion in the width direction is pressed or pressed. Further, as shown in FIGS. 8 and 9, a part of the convex portion 49, the first locking portion 50 and the concave portion 51 are formed so that the protruding portion 35 corresponds to the formation region from the inner peripheral side, and the front side The front end of the first locking portion 50 and the rear end of the rear first locking portion 50 are in contact with the outer peripheral surface of the protrusion 35. Therefore, when the convex portion 49 is struck or pressed, the curved convex portion 49 and the first locking portion 50 are stretched by being sandwiched between the pressing member and the protruding portion 35 (the curvature is increased). Deformed (to be smaller).

  In the process of deforming the curved convex portion 49 and the first locking portion 50 so as to extend, the front and rear first locking portions 50 are caused by the stress generated by the deformation in the convex portion 49 and the first locking portion 50. However, the protrusion 35 is elastically pressed toward the inner peripheral side while maintaining a state of sliding contact with the outer peripheral surface of the protrusion 35. Therefore, even if the radial dimension of the folded portion 11a sandwiched between the sleeve 13 and the protruding portion 35 varies, the folded portion 11a is securely sandwiched between the projected portion 35 and the sleeve 13. The protrusion 35 and the folded portion 11a are connected so as to be surely conductive, and the protrusion 35 and the fixing portion 34 are reliably connected so as to be conductive. Therefore, the shield member 11, the main shell 31 (former base for forming the protrusion 35), and the subshell 32 (former base for forming the fixing portion 34) are connected to each other so as to be electrically connected to each other. Is done.

  The convex portion 49 and the first locking portion 50 that are deformed so as to be stretched are formed such that the peripheral surfaces thereof are substantially flush with the peripheral surfaces of the arm portion 54 and the second caulking piece 48 (substantially smooth in the circumferential direction). And a shape along the outer peripheral surface of the protrusion 35 (a shape that comes into contact with the outer peripheral surface of the protrusion 35 in a face-to-face manner). Both the arm portions 54 and the second locking portion 53 are also in contact with the outer peripheral surface of the projection portion 35 in a face-to-face manner.

  When the convex portion 49 and the first locking portion 50 are extended, the first locking portion 50 on the front side (the left side in FIG. 8) moves the locking portions 50, 53 from the front second locking portion 53. The rear first locking portion 50 is locked against the rear second locking portion 53 with respect to the thickness of the two locking portions 50 and 53 while being locked so as to abut in the circumferential direction within the range of the plate thickness. It is locked so as to abut in the circumferential direction within the range of. Due to the locking action at the two front and rear positions, the two caulking pieces 47 and 48 are restricted from being separated in the circumferential direction (vertical direction in FIG. 8), and as a result, the expanding deformation of the fixing portion 34 is prevented. Further, the convex portion 49 is held in a state of entering the concave portion 51. Thereby, the fixing portion 34 is held in a state of being fixed to the shield member 11.

  Further, in a state in which the convex portion 49 and the first locking portion 50 are deformed so as to extend and the both locking portions 50 and 53 are locked, as shown in FIG. The front end edge of the recess 51 is strongly pressed against the front edge of the inner periphery of the recess 51, and the rear end edge of the rear first locking portion 50 is the rear of the inner periphery of the recess 51. It will be in the state pressed strongly with respect to the edge part of the side. Thus, since the 1st latching | locking part 50 is closely_contact | adhered so that it may press in an axial direction (front-back direction) with respect to the inner periphery of the recessed part 51, the backlash in the axial direction of a pair of crimping pieces 47 and 48 is attached. Is reliably prevented.

  Further, as shown in FIGS. 8 and 9, in both the circumferential direction and the axial direction, the region of the convex portion 49 that enters the concave portion 51 in the fixed state, the entire first locking portion 50, and the entire concave portion 51. The entirety of both arm portions 54 and the entire second locking portion 53 are disposed within the formation range of the protruding portion 35. As a result, the braided wire constituting the shield member 11 is likely to bite between the first caulking piece 47 and the second caulking piece 48 (that is, the convex portion 49 and the second locking portion 53 in the opening 52). The portion where the first locking portion 50 and the second locking portion 53 are locked in the recess 51, and the portion where the first locking portion 50 and the recess 51 are in close contact with each other) Is within the formation range of the protrusion 35 and is isolated from the shield member 11 (braided wire) by the protrusion 35. Therefore, when the fixing portion 34 and the shield member 11 are fixed, there is no possibility that the shield member (braided wire) bites between the first crimping piece 47 and the second crimping piece 48.

  Further, when the first caulking piece 47 is formed into a bent form, the first caulking piece 47 is formed in view of the fact that the convex portion 49 protrudes from the extending end edge of the first caulking piece 47 in the circumferential direction. The bent shape is seen in the circumferential direction. Due to such a bent form, the protrusion 49 has high rigidity even if its protruding dimension is large, so there is no possibility that the protrusion 49 will be illegally deformed due to interference of other members.

  In addition, when the convex portion is bent so as to be square along the fold in the circumferential direction, when the convex portion is deformed so as to extend the bent portion, the fold portion remains in a ridgeline shape. There is a concern that poor contact with the protrusions on the inner peripheral surface of the convex portion may occur in the ridgeline portion or in the vicinity thereof. On the other hand, in this embodiment, since the convex part 49 was shape | molded in the curved form, when it deform | transforms so that a bending part may be extended, there is no possibility that a ridgeline-shaped crease may remain. Therefore, the contact reliability with the projection part 35 in the inner peripheral surface of the convex part 49 is excellent.

<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) In the above embodiment, the rear wall is disposed at substantially the same position as the rear end edge of the plate-like portion in the front-rear direction. However, according to the present invention, the rear wall is rearward of the rear end edge of the plate-like portion. Or a position ahead of the rear edge of the plate-like portion.
(2) In the above embodiment, the upper edge of the rear wall (the edge opposite to the plate-like portion) is set to be substantially the same height as the upper edge of the first side plate and the second side plate. The upper end edge of the rear wall may be a position higher than the upper end edges of the first side plate and the second side plate, or a position lower than the upper end edges of the first side plate and the second side plate.
(3) In the above embodiment, the lower end edge of the rear wall (end edge on the plate-like part side) has the same height as the lower end edge of the second side plate, but according to the present invention, the lower end edge of the rear wall is The position may be higher than the lower end edge of the second side plate or lower than the lower end edge of the second side plate.
(4) In the above embodiment, the second side plate is set along the inner surface of the first side plate. However, according to the present invention, the second side plate may be set along the outer surface of the first side plate.
(5) In the above embodiment, the rear end edge of the second side plate is positioned behind the rear end edge of the first side plate. However, according to the present invention, the rear end edge of the second side plate is In the direction, it may be located at the same position as the rear end edge of the first side plate or in front of the rear end edge of the first side plate.
(6) In the above embodiment, the upper edge of the second side plate (the edge opposite to the plate-like portion) is substantially the same height as the upper edge of the first side plate. However, according to the present invention, the second side plate The upper end edge may be a position higher than the upper end edge of the first side plate or a position lower than the upper end edge of the first side plate.
(7) In the above embodiment, the lower end edge of the second side plate (end edge on the plate-like portion side) is positioned higher than the lower end edge (plate-like portion) of the first side plate. The lower edge of the two side plates may be brought into contact with the plate-like portion at the same height as the lower edge of the first side plate.
(8) In the above embodiment, the first side plate is connected to a position close to the rear end portion of the side edge of the plate-like portion. However, according to the present invention, the first side plate is located at the side edge of the plate-like portion. The form connected to a rear-end part may be sufficient, and the form connected to the position near a front-end part or a front-end part among side edges may be sufficient.
(9) Although the number of conductors of the shield conductive path is four in the above embodiment, the present invention can also be applied to the case where the number of conductors in one shield conductive path is three or less or five or more.
(10) In the above embodiment, the case where the shield connector is a female connector having a female terminal fitting has been described. However, the present invention can also be applied to a male shield connector having a male terminal fitting. .
(11) Although the case where the shield member is a braided wire has been described in the above embodiment, the present invention can also be applied when the shield member is a metal foil.

Exploded perspective view of Embodiment 1 A perspective view showing a state where the subshell is assembled to the main shell. Perspective view of main shell Perspective view of subshell Partial enlarged plan view showing a state in which the convex portion and the first locking portion are viewed in the circumferential direction The partial expanded side view showing the state which looked at the convex part and the 1st locking part from the side Subshell development Partial enlarged plan view showing a state where the first locking portion and the second locking portion are locked Partial enlarged plan view showing a state in which the convex portion and the first locking portion have entered the concave portion in the process of deforming both crimping pieces Sectional view showing the shield connector cut vertically along the axis direction of the shield conductive path Sectional view showing the shield connector cut horizontally along the axial direction of the shield conductive path Sectional view showing the fixing part between the shield member and the fixing part with hatching omitted

A ... Shield connector B ... Shield conductive path 10 ... Conductor 11 ... Shield member 21 ... Terminal fitting 22 ... Inner housing (housing)
DESCRIPTION OF SYMBOLS 30 ... Shield shell 31 ... Main shell 32 ... Subshell 33 ... Square tube part 34 ... Adhering part 35 ... Protrusion part 36 ... Opening part of the rear end of a square tube part 43 ... Plate-shaped part 43R ... Rear end edge 46 of a plate-shaped part ... Board part 47 ... First caulking piece (crimping piece on the convex side)
48 ... Second caulking piece (recessed caulking piece)
49 ... convex portion 50 ... first locking portion 51 ... concave portion 52 ... opening 53 ... second locking portion 56 ... first side plate 57 ... second side plate 58 ... rear wall

Claims (4)

A shield connector connected to a terminal of a shield conductive path in a form in which a conductor is surrounded by a shield member,
A housing for accommodating a terminal fitting connected to the conductor;
A shield shell surrounding the housing,
In the shield shell,
As a means for enclosing the housing, a square tube portion capable of inserting the housing from behind is provided,
As a means for adhering to the shield member in a form surrounding its outer periphery, an open barrel shape in which a pair of caulking pieces are extended in the circumferential direction from the both side edges of the substrate part, arranged behind the square tube part The fixed part is provided,
The shield shell is
A main shell having the rectangular tube portion;
It is formed by bending a metal plate material of a predetermined shape, and has a plate-like portion and the fixing portion in which the substrate portion is protruded from a rear end edge of the plate-like portion, and the plate-like portion is In the shield connector composed of the subshell assembled to the main shell so as to be along the outer surface of the housing,
The subshell includes
A first side plate extending from the side edge of the plate-like portion at a substantially right angle with the plate-like portion;
A second side plate extending back from the front edge of the first side plate along the first side plate;
A rear wall extending substantially perpendicular to the rear end edge of the plate-like portion from the rear end edge of the second side plate,
By assembling the subshell to the main shell, an end region that does not correspond to the fixing portion of the open portion at the rear end of the rectangular tube portion is closed by the rear wall. connector.   The shield connector according to claim 1, wherein the main shell is formed with a protruding portion that is fixed to the fixing portion together with the shield member. In the shield connector connected to the end of the shield conductive path in the form of surrounding the conductor with the shield member, the shield shell surrounding the housing in which the terminal fitting connected to the conductor is accommodated,
As a means for enclosing the housing, it has a square tube part capable of inserting the housing from the rear,
As a means for adhering to the shield member in a form surrounding its outer periphery, an open barrel shape in which a pair of caulking pieces are extended in the circumferential direction from the both side edges of the substrate part, arranged behind the square tube part It has a fixed part of
A main shell having the rectangular tube portion;
It is formed by bending a metal plate material of a predetermined shape, and has a plate-like portion and the fixing portion in which the substrate portion is protruded from a rear end edge of the plate-like portion, and the plate-like portion is In the shield shell composed of the subshell assembled to the main shell so as to be along the outer surface of the housing,
The subshell includes
A first side plate extending from the side edge of the plate-like portion at a substantially right angle with the plate-like portion;
A second side plate extending back from the front edge of the first side plate along the first side plate;
A rear wall extending substantially perpendicular to the rear end edge of the plate-like portion from the rear end edge of the second side plate;
By assembling the subshell to the main shell, an end region that does not correspond to the fixing portion of the open portion at the rear end of the rectangular tube portion is closed by the rear wall. shell. The shield shell according to claim 3, wherein the main shell is formed with a protruding portion that is fixed to the fixing portion together with the shield member.

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