JP2017098081A - Shield connector, and shield cable with connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shield connector capable of suppressing the deterioration of communication quality, and a shield cable with a connector equipped with the shield connector.SOLUTION: A shield connector connected to an end portion of a shield cable, is equipped with an inner housing, a shield shell, and a shield member which covers the end portions of any one pair of communication lines exposed at the end portion of the shield cable. The shield member has a first shield piece which has a pair of first side surface portions sandwiching the pair of communication lines, a first coupling surface portion, and folding portions folded on the outside of first side surface portions; and a second shield piece which has a pair of side surface portions contacted with the outside of the folding portions, and a second coupling surface portion disposed oppositely to the first coupling surface portion.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a shielded connector connected to an end of a shielded cable, and a shielded cable with a connector including the shielded connector. In particular, the present invention relates to a shield connector that can suppress deterioration in communication quality.

  Conventionally, shielded cables have been used for communication between electrical components (navigation devices, ETC (Electronic Toll Collection) devices, monitors, etc.) mounted on vehicles such as automobiles and external devices (cameras, etc.) and between electrical components. ing. A shielded cable for communication generally includes an electric wire including a communication line, a shield conductor that collectively covers the periphery of the electric wire, and a sheath that covers the outer periphery of the shield conductor. The electric wire has a conductor and an insulating coating on the outer periphery thereof.

  As the communication line, a twisted pair cable obtained by twisting a pair of communication lines is used. In particular, in the case of a communication line for high-speed communication, a shielded twisted pair cable (STP: Shielded Twisted Pair Cable) in which the periphery of a pair of communication lines is individually covered with a shield layer is widely used.

  Usually, a shield connector is attached to the end of the shield cable. The shield connector is attached to the shielded cable by removing the sheath and connecting it to the end of the shielded cable where the electric wire is exposed from the shield conductor. The shield connector includes an inner housing that holds a terminal connected to the conductor end of the electric wire, and a shield shell that houses the inner housing and the end of the shield cable. A shield conductor is electrically connected to the shield shell (see Patent Document 1).

JP 2009-37826 A

  At the end of the shielded cable to which the shield connector is connected, the sheath is removed, the end of the electric wire is exposed from the shield conductor, and the end of the electric wire is connected to the terminal of the inner housing. Is untwisted. At that time, the shield layer provided around the end of the communication line is also removed. Therefore, at the end of the communication line, the impedance is changed by removing the shield conductor / shield layer and untwisting the end. Therefore, the impedance mismatch at the cable end causes signal reflection, which may lead to a decrease in communication quality.

  The present invention has been made in view of the above circumstances, and one of the objects of the present invention is to provide a shielded connector that can suppress a decrease in communication quality, and a shielded cable with a connector that includes this shielded connector.

  The shield connector which concerns on 1 aspect of this invention is connected to the edge part of the shield cable which has an electric wire containing at least a pair of communication line, and the shield conductor which coat | covers the circumference | surroundings of the said electric wire collectively. The shield connector includes an inner housing that holds a terminal connected to the conductor end of the electric wire, a shield shell that houses the inner housing and the end of the shield cable, and any one exposed at the end of the shield cable. Or a shield member that is in contact with the ends of the pair of communication lines and collectively covers the periphery thereof. The shield member is formed of a conductive plate, and a first shield piece that is partially open in the circumferential direction and a first shield piece that is fitted to the first shield piece so as to cover the opening of the first shield piece. 2 shield pieces. The first shield piece includes a pair of first side surface portions sandwiching the pair of communication lines, a first connection surface portion that connects the first side surface portions, and a folded portion that folds outside the first side surface portions. Have. The second shield piece includes a pair of second side surface portions that are in contact with the outer sides of the folded portions, and a second connection surface portion that is disposed so as to face the first connection surface portion and connects the second side surface portions. Have.

  A shielded cable with a connector according to one aspect of the present invention includes a shielded cable having an electric wire including at least one communication line, a shield conductor that collectively covers the periphery of the electric wire, and an end of the shielded cable. And a shield connector to be connected. The shield connector is a shield connector according to one embodiment of the present invention.

  The shielded connector and the shielded cable with connector can suppress deterioration in communication quality.

It is the schematic perspective view which looked at the shielded cable with a connector of Embodiment 1 from back. It is a schematic exploded perspective view which decomposes | disassembles and shows the shield connector of Embodiment 1. FIG. It is a schematic sectional drawing which shows the state in which the shield member in the shield connector of Embodiment 1 was attached to the edge part of a communication line pair. It is a schematic perspective view which shows the state before attachment of the shield member in the shield connector of Embodiment 1. It is a schematic perspective view which shows the 1st shield piece of the shield member shown in FIG. It is a schematic perspective view which shows the 2nd shield piece of the shield member shown in FIG. It is a schematic sectional drawing which shows the state arrange | positioned at the edge part of the communication line pair which exposes the shield member shown in FIG. 3 is a schematic front view of an inner housing in the shield connector of Embodiment 1. FIG. It is a general | schematic disassembled perspective view which decomposes | disassembles and shows the shield connector of the modification 1. FIG. It is a schematic sectional drawing which shows the state in which the shield member in the shield connector of the modification 1 was attached to the edge part of a communication line pair. It is a schematic perspective view which shows the state before attachment of the shield member in the shield connector of the modification 1. It is a schematic perspective view which shows the 1st shield piece of the shield member shown in FIG. It is a schematic perspective view which shows the 2nd shield piece of the shield member shown in FIG. It is a schematic sectional drawing which shows the state arrange | positioned at the edge part of the communication line pair which exposes the shield member shown in FIG.

[Description of Embodiment of the Present Invention]
First, embodiments of the present invention will be listed and described.

  (1) The shield connector which concerns on 1 aspect of this invention is connected to the edge part of the shield cable which has the electric wire containing at least a pair of communication wire, and the shield conductor which coat | covers the circumference | surroundings of the said electric wire collectively. The shield connector includes an inner housing that holds a terminal connected to the conductor end of the electric wire, a shield shell that houses the inner housing and the end of the shield cable, and any one exposed at the end of the shield cable. Or a shield member that is in contact with the ends of the pair of communication lines and collectively covers the periphery thereof. The shield member is formed of a conductive plate, and a first shield piece that is partially open in the circumferential direction and a first shield piece that is fitted to the first shield piece so as to cover the opening of the first shield piece. 2 shield pieces. The first shield piece includes a pair of first side surface portions sandwiching the pair of communication lines, a first connection surface portion that connects the first side surface portions, and a folded portion that folds outside the first side surface portions. Have. The second shield piece includes a pair of second side surface portions that are in contact with the outer sides of the folded portions, and a second connection surface portion that is disposed so as to face the first connection surface portion and connects the second side surface portions. Have.

  According to the shield connector, the periphery of the end of the communication line pair exposed at the end of the shield cable can be covered with the shield member. Therefore, impedance mismatch at the cable end can be reduced, and deterioration in communication quality can be suppressed.

  Moreover, it is possible to attach a shield member only to a specific communication line pair. The shield member is a combination of a first shield piece and a second shield piece, and the first shield piece has a folded portion on the outside of each first side surface portion, and each second of the second shield piece on the outside thereof. It fits so that a side part may touch. Each folded-back portion is sandwiched between the first side surface portion and the second side surface portion and functions as a spring, whereby each first side surface portion can be brought into elastic contact with the end of the communication line pair. As a result, the first side surface portion can be easily brought into close contact with the end portion of the communication line pair, and impedance mismatch can be reduced. Moreover, since the folding | returning part presses a 2nd side part, the adhesive force of a 1st shield piece and a 2nd shield piece is high, and a 2nd shield piece is firmly attached to a 1st shield piece. Therefore, it can suppress that a shield member falls from the edge part of a communication line pair.

  (2) As one form of the shield connector, one of the first side surface portion, the first connection surface portion, and the second connection surface portion protrudes inward at an intermediate position between the pair of communication lines. For example, a bent portion that bends is formed.

  A 1st side part, a 1st connection surface part, and a 2nd connection surface part are parts which touch the edge part of a communication line in a shield member. Among these, a bent portion that is bent so as to protrude inward at an intermediate position between the pair of communication lines is formed, so that the bent portion enters the intermediate position of the pair of communication lines, and the shield The member is easily brought into contact with each end of the communication line pair. Therefore, the impedance mismatch can be further reduced, and the deterioration of communication quality can be further suppressed.

  (3) As one form of the said shield connector, having the nail | claw part bent so that the front-end | tip part of the said 2nd side surface part may contact | connect the outer side of the said 1st connection surface part is mentioned.

  By having the claw portion at the tip of the second side surface portion, the first shield piece can be gripped by the claw portion, and the second shield piece can be further prevented from coming off from the first shield piece.

  (4) A shielded cable with a connector according to one aspect of the present invention includes a shielded cable having an electric wire including at least a pair of communication wires, a shield conductor that collectively covers the periphery of the electric wire, and an end of the shielded cable. And a shield connector connected to the section. And the said shield connector is a shield connector as described in any one of said (1)-(3).

  According to the above shielded cable with a connector, by providing the shield connector according to one aspect of the present invention, the periphery of the end of the specific communication line pair exposed at the end of the shield cable can be covered with the shield member. Therefore, impedance mismatch at the cable end can be reduced, and deterioration in communication quality can be suppressed.

[Details of the embodiment of the present invention]
Specific examples of the shielded connector and the shielded cable with connector according to the embodiment of the present invention will be described below with reference to the drawings. The same reference numerals in the figure indicate the same names. In addition, this invention is not limited to these illustrations, is shown by the claim, and intends that all the changes within the meaning and range equivalent to a claim are included.

[Embodiment 1]
<Shielded cable with connector>
With reference to FIGS. 1-8, the shielded connector and shielded cable with a connector of Embodiment 1 are demonstrated. As shown in FIG. 1, the shielded cable with connector 1 of Embodiment 1 includes a shielded cable 100 and a shielded connector 10 connected to an end of the shielded cable 100. As shown in FIG. 2, the shield connector 10 of Embodiment 1 includes an inner housing 20 and a shield shell 40. One of the features of the shield connector 10 according to the first embodiment is that it includes a shield member 60 that covers the periphery of the ends of the communication line pairs 121 and 122 exposed at the ends of the shielded cable 100. First, the configuration of the shield cable 100 will be described, and then the configuration of the shield connector 10 will be described in detail. In the following description, the inner housing 20 side of the shield connector 10 is front (front), the shield cable 100 side is rear, the base 41 (bottom plate portion 42) side of the shield shell 40 is lower, and the cover 51 (upper plate portion 52). The description will be made with the side up.

<Shielded cable>
As shown in FIG. 2, the shield cable 100 includes a plurality of electric wires 110, a shield conductor 130 that collectively covers the periphery of the electric wires 110, and a sheath 140 that covers the outer periphery of the shield conductor 130. The shield conductor 130 is formed of a braided wire made of a conductive metal such as copper or aluminum, and the sheath 140 is formed of an insulating resin or rubber. At the end of the shielded cable 100, the sheath 140 is removed, and the end of the shield conductor 130 is folded back onto the sheath 140, and the end of the electric wire 110 is exposed from the shield conductor 130. The ends of the plurality of electric wires 110 are twisted back and branched in parallel.

  The shielded cable 100 has ten electric wires 110 as shown in FIG. Specifically, two pairs (6 in total) of a pair of communication lines 121 and 122 and drain lines 123 are used for high-speed communication, and one pair (2 in total) of a pair of communication lines 124 and 125 are used for low-speed communication. ), And a power line 126 (one) and a ground line 127 (one). The communication lines 121 and 122 are USB (Universal Serial Bus) 3.0 standard communication lines (maximum communication speed: 5 Gbps), a differential pair with a drain line 123 provided with a shield layer (not shown). It is a cable. The communication lines 124 and 125 are USB 2.0 standard communication lines (maximum communication speed: 480 Mbps), and are twisted pair cables. In the electric wire 110, except for the drain wire 123, an insulating coating 112 is provided on the outer periphery of the conductor 111. At the end portion of the shielded cable 100, the end portions of the electric wire 110 are arranged side by side in five pieces, and the end portion of the conductor 111 is exposed at the end of the electric wire 110 as shown in FIG. FIG. 3 is a cross-sectional view of the shielded cable 100 (electric wire 110) viewed from the front end side.

  In the shielded cable 100, the pair of communication lines 121 and 122 are covered with a shield layer (not shown) by winding a conductive foil (eg, copper foil or aluminum foil) around the periphery, and the shield layer has a drain. It arrange | positions so that the line 123 may contact. At the end of the shielded cable 100, the shield layer is removed when the electric wire 110 is twisted back, and the ends of the communication lines 121 and 122 are not covered with the shield layer.

<Shield connector>
(Shield member)
As shown in FIGS. 2 and 3, the shield member 60 is a communication line in which the shield layer is removed from the ends of the plurality of electric wires 110 exposed from the shield conductor 130 and the sheath 140 at the end of the shield cable 100. The surroundings are collectively covered so as to be in contact with the ends of the pairs 121 and 122. The state of the shield member 60 shown in FIG. 3 is a state after being attached to the end portions of the communication line pairs 121 and 122. With reference to FIGS. 4-7 which show the state before attachment, the shield member 60 before attachment is demonstrated.

  As shown in FIGS. 4 to 6, the shield member 60 includes a first shield piece 61 (see FIG. 5) that is partially open in the circumferential direction, and a first shield that covers the opening of the first shield piece 61. And a second shield piece 71 (see FIG. 6) fitted to the piece 61. The shield member 60 is integrated by combining and fitting the first shield piece 61 and the second shield piece 71 as shown in FIG. 4, and covers the ends of the communication line pairs 121 and 122 over the entire circumference. (See FIG. 3).

(First shield piece)
As shown in FIGS. 4 and 5, the first shield piece 61 includes a first pair of first side surfaces 62 sandwiching the pair of communication lines 121 and 122 (see FIG. 3) and the first side surfaces 62 connected to each other. 1 connection surface part 63 and the folding | returning part 64 folded over on the outer side of each 1st side surface part 62 are provided. In the first shield piece 61, the pair of first side surface portions 62 may sandwich the ends of the communication line pairs 121 and 122 from the vertical direction, or the pair of first side surface portions 62 may be the ends of the communication line pairs 121 and 122. You may make it pinch | interpose a part from a horizontal direction. Here, the direction in which the ends of the communication line pairs 121 and 122 are arranged is referred to as a horizontal direction (left-right direction), and a direction orthogonal to the direction is referred to as a vertical direction (up-down direction). In this example, as shown in FIG. 3, each first side surface portion 62 is in contact with each end portion of the communication line pair 121, 122, and both first side surface portions 62 are connected to the end portions of the communication line pair 121, 122. The first shield piece 61 is arranged so as to be sandwiched from the vertical direction. Therefore, the width of each first side surface portion 62 is larger than the width of the first connecting surface portion 63. The width of the first side surface portion 62 and the width of the first connecting surface portion 63 are the respective lengths (see FIGS. 3 and 7) in the cross section orthogonal to the longitudinal direction. The first shield piece 61 has an opening on the opposite side of the first connecting surface portion 63, and can be disposed at the end of the communication line pair 121, 122 from the lateral direction through this opening. Alternatively, the communication line pairs 121 and 122 can be fitted from the front end side.

  As for the 1st shield piece 61 shown in FIG. 5, each surface of each 1st side part 62, the 1st connection surface part 63, and each folding | returning part 64 is comprised by the plane. A bent portion may be formed in any one of the first side surface portions 62, the first connecting surface portions 63, and the folded portions 64. For example, a bent portion that protrudes outward is formed along the outer peripheral surface of the communication lines 121 and 122 in the first connection surface portion 63 that is in contact with the end of one of the communication line pairs 121 and 122 (see FIG. 3). To do. Thereby, it becomes easy to make the 1st connection surface part 63 closely_contact | adhere to the edge part of the communication lines 121 and 122. FIG. Further, at least one of the first side surface portions 62 in contact with the respective end portions of the communication line pair 121, 122 may be formed with a bent portion so as to protrude inward at an intermediate position of the communication line pair 121, 122. It is done. As a result, the bent portion enters the intermediate position of the communication line pair 121 and 122, and the first side surface portion 62 is easily brought close to or in close contact with each end of the communication line pair 121 and 122.

  As shown in FIG. 4, each folded portion 64 is disposed inside each second side surface portion 72 of the second shield piece 71 described later, and is sandwiched between the first side surface portion 62 and the second side surface portion 72. Each folded portion 64 is formed so as to function as a spring by contacting each second side surface portion 72 (see FIG. 3).

(Second shield piece)
As shown in FIGS. 4 and 6, the second shield piece 71 is opposed to the pair of second side surface portions 72 that are in contact with the outer sides of the folded portions 64 of the first shield piece 61 and the first connection surface portion 63. The second connecting surface portion 73 is disposed and connects the second side surface portions 72 to each other. In this example, as shown in FIG. 4, when the first shield piece 61 and the second shield piece 71 are combined, each second side surface 72 is overlapped with each first side surface portion 62. The width of the portion 72 is slightly larger than the first side surface portion 62.

  In the second shield piece 71 shown in FIG. 6, each of the second side surface portion 72 and the second connecting surface portion 73 has a flat surface, and has a cross-sectional shape]. A bent portion may be formed on any one of the second side surface portions 72 and the second connecting surface portions 73. For example, a bent portion that protrudes outward is formed along the outer peripheral surface of the communication lines 121 and 122 on the second connecting surface portion 73 that is in contact with the ends of one of the communication line pairs 121 and 122 (see FIG. 3). To do. Thereby, it becomes easy to make the 2nd connection surface part 73 closely_contact | adhere to the edge part of the communication line 121,122.

(Assembly method of shield member)
By disposing the second shield piece 71 outside the first shield piece 61, the shield member 60 (see FIG. 4) is assembled. The second shield piece 71 is open on the opposite side of the second connecting surface portion 73, and can be disposed outside the first shield piece 61 from the lateral direction through the opening. Alternatively, the first shield piece 61 can be arranged by covering from one end side along the longitudinal direction.

(Method of attaching shield member)
A method for attaching the shield member 60 will be described with reference to FIGS. First, as shown in FIG. 7, the shield member 60 (the first shield piece 61 and the second shield piece 71) is disposed with respect to the end portions of the communication line pairs 121 and 122. Thereafter, the first shield piece 61 and the second shield piece 71 are plastically deformed and fitted together by caulking the second side surface portion 72 of the shield member 60 from the vertical direction (the direction of the white arrow in FIG. 7). . Thereby, the 2nd shield piece 71 is fitted by the 1st shield piece 61, and the shield member 60 is attached to the edge part of the communication line pair 121,122 as shown in FIG. The state after the shield member 60 is attached (see FIG. 3) is narrower than the state before the attachment (see FIG. 7), and the interval between the second side surfaces 72 is narrowed. The part 62 is compressed in the vertical direction. Thereby, the clearance gap between each 1st side part 62 and each edge part of communication line pair 121,122 becomes small, and each 1st side part 62 contacts each edge part of communication line pair 121,122, respectively. It becomes like this. Moreover, the space | interval between the 1st side part 62 and the folding | returning part 64 is also narrowed. In the state after attachment shown in FIG. 3, the tip end portion of the second side surface portion 72 is bent inward by caulking.

<Material / Dimensions>
The first shield piece 61 and the second shield piece 71 are each formed by bending a conductive plate material. As the conductive plate material, a conductive metal plate material such as copper or aluminum can be used. The size of the first shield piece 61 and the second shield piece 71 (the size of the plate material) may be appropriately set so that the periphery of the end portions of the communication line pairs 121 and 122 can be collectively covered. For example, it is set as appropriate according to the diameter of the communication lines 121, 122, the distance between the ends of the communication line pairs 121, 122 (the length in the horizontal direction), the exposed length of the ends of the communication line pairs 121, 122, and the like. Can be mentioned. The thickness of the first shield piece 61 and the second shield piece 71 (thickness of the plate material) is not particularly limited, but is, for example, 0.1 mm or more and 0.3 mm or less, preferably 0.15 mm or more and 0.25 mm or less. To do. In particular, in the shield member 60, where the first side surface portion 62 and the second side surface portion 72 overlap each other, as shown in FIG. Therefore, if the thickness of the plate is too thick, there may be a problem that when the shield member 60 is attached to the exposed ends of the communication line pairs 121 and 122 as shown in FIG. By setting the thickness of the plate material to 0.3 mm or less, the shield member 60 can be made compact, and the shield member 60 can be easily attached to the end portions of the communication line pairs 121 and 122. On the other hand, when the thickness of the plate material is 0.1 mm or more, it is easy to ensure the shielding property. Moreover, it is easy to maintain the plastic deformation state after crimping, and it is difficult for the shield member 60 to shift or drop off. In particular, at a portion where the first side surface portion 62 and the second side surface portion 72 overlap with each other, a three-layer structure including the folded-back portion 64 is obtained, so that more sufficient shielding performance can be ensured.

(Inner housing)
As shown in FIG. 2, the inner housing 20 is a member that holds the terminal 22 connected to the end of the conductor 111 of the electric wire 110, and is formed of an insulating resin. The inner housing 20 includes a main body portion 21 in which a terminal hole 23 for accommodating the terminal 22 is formed, and an arrangement portion 31 in which an end portion of the conductor 111 of the electric wire 110 is disposed. The main body portion 21 of the inner housing 20 is formed with five terminal holes 23 arranged vertically (see FIG. 8), and the terminals 22 are inserted and accommodated in the terminal holes 23, respectively. The arrangement part 31 is provided integrally with the main body part 21 so as to extend rearward from an intermediate position in the vertical direction of the main body part 21. An arrangement groove for arranging the end of the conductor 111 is formed in the arrangement part 31.

<Terminal>
The terminal 22 is a female-type terminal made of a conductive metal, and is formed integrally with a rectangular tube-shaped portion housed in the terminal hole 23 of the main body 21 and the rear thereof, and is electrically connected to the end of the conductor 111. A plate-like portion. This plate-like portion is arranged along the arrangement groove of the arrangement part 31. The end of the conductor 111 is placed on the plate-like portion of the terminal 22 and is electrically connected by soldering. The connection between the end portion of the conductor 111 and the terminal 22 may be performed after the shield member 60 is attached to the end portions of the communication line pairs 121 and 122. The inner housing 20 is disposed on a base 41 to be described later with the terminal 22 connected to the end of the conductor 111 of the electric wire 110.

<Convex>
Inner housing 20 has convex part 25 which protrudes from each side of main part 21 and arrangement part 31 (in the figure, only the left side is shown, but the right side on the opposite side is the same). Each convex part 25 is provided along with the front-back direction of the inner housing 20, and is each formed in the taper shape toward the downward direction. Each convex part 25 is engaged with each engagement hole 45 formed in the base side plate part 43 described later.

(Shield shell)
As shown in FIG. 2, the shield shell 40 is a member that accommodates the end of the shielded cable 100 including the inner housing 20 and the shield member 60, and is formed of a conductive metal. The shield shell 40 includes a housing housing portion that houses the inner housing 20 in order from the front, a wire housing portion that houses the end portion of the exposed electric wire 110, and a cable insertion portion 40c into which the end portion of the shield cable 100 is inserted. Have. An opening having a shape corresponding to the outer diameter of the shielded cable 100 is formed in the cable insertion portion 40c. The shield shell 40 includes a base 41 disposed on the lower side of the inner housing 20 and a cover 51 disposed on the upper side of the inner housing 20 and fitted to cover the base 41 from above.

(base)
As shown in FIG. 2, the base 41 covers the lower surface of the inner housing 20 and extends from the both sides of the bottom plate portion 42 so as to cover the bottom plate portion 42 extending toward the cable insertion portion 40 c and both side surfaces of the inner housing 20. And a pair of base side plate portions 43 standing upright. The base side plate portion 43 is formed in series toward the cable insertion portion 40c. The base 41 is formed by cutting and bending a metal plate material into a predetermined shape.

<Engagement hole>
The base side plate portion 43 of the base 41 is formed with an engagement hole 45 with which the convex portion 25 of the inner housing 20 is engaged. By fitting the inner housing 20 from above the base 41, the convex portion 25 of the inner housing 20 and the engagement hole 45 of the base side plate portion 43 are engaged, and the inner housing 20 is positioned on the base 41. Fixed.

<Protrusions>
The base 41 has a protrusion 44 that protrudes from the outer surface of the base side plate portion 43. The protrusion 44 is fitted into a fitting hole 54 formed in a cover side plate portion 53 described later. The protrusion 44 is formed by hammering out (striking) and is formed in a dome shape so as to bulge downward. A cut is formed between the lower surface of the protrusion 44 and the outer surface, but this cut is not substantially visible when the outer surface of the base side plate portion 43 (side surface of the base 41) is viewed in plan view. That is, the portion where the protrusion 44 is formed does not substantially open in the direction orthogonal to the outer surface of the base side plate portion 43. The protrusion amount of the protrusion 44 from the outer surface of the base side plate portion 43 is equal to or less than the thickness of the cover side plate portion 53, and the protrusion 44 is accommodated in the fitting hole 54.

(cover)
As shown in FIG. 2, the cover 51 covers the upper surface of the inner housing 20, and the upper plate portion 52 that extends toward the cable insertion portion 40 c and the upper plate portion 52 so as to overlap the outside of the base side plate portion 43. And a pair of cover side plate portions 53 erected from both sides. The cover side plate portion 53 overlaps the outside of the base side plate portion 43 and covers the engagement hole 45 of the base side plate portion 43 (see FIG. 1). The cover side plate portion 53 is formed in series toward the cable insertion portion 40c. Similar to the base 41, the cover 51 is formed by cutting and bending a metal plate material into a predetermined shape. The cover 51 is attached from above the base 41 in a state where the end portions of the inner housing 20 and the shield cable 100 (the electric wire 110) are arranged on the base 41.

<Mating hole>
The cover side plate portion 53 of the cover 51 is formed with a fitting hole 54 into which the protrusion 44 of the base side plate portion 43 is fitted. When the cover 51 is fitted to the base 41 (see FIG. 1), the projection 51 of the base side plate portion 43 and the fitting hole 54 of the cover side plate portion 53 are fitted, whereby the cover 51 is positioned to the base 41. Are mated.

<Barrel / projection piece>
As shown in FIG. 2, the shield cable 100 is inserted so that a part of the folded end of the shield conductor 130 is accommodated in the shield shell 40 and the remaining part is exposed from the cable insertion part 40c. . The cable insertion part 40c on the base 41 side is integrally formed with a barrel part 80 that protrudes rearward. The barrel portion 80 is U-shaped and has a pair of crimping pieces 81 and 82 extending from both ends. By inserting the end of the shield conductor 130 from above the barrel portion 80 and crimping the crimping pieces 81 and 82, the crimping pieces 81 and 82 are crimped to the end of the shield conductor 130 (see FIG. 1). The barrel portion 80 is formed such that when the crimping pieces 81 and 82 are crimped and crimped to the end of the shield conductor 130, the crimping pieces 81 and 82 mesh with each other to form a cylindrical shape. Specifically, the crimping piece 81 has a tapered projecting piece, and the crimping piece 82 has a bifurcated projecting piece having a V-shaped notch into which the projecting piece of the crimping piece 81 is fitted.

  Furthermore, a protruding piece 85 that protrudes rearward is formed integrally with the cable insertion portion 40 c on the cover 51 side so as to face the barrel portion 80. The protruding piece 85 is formed in an arc shape along the outer peripheral surface of the shielded cable 100. When the crimping pieces 81 and 82 are crimped and the barrel portion 80 is crimped (see FIG. 1), the protruding piece 85 is pressed and positioned inside the crimping pieces 81 and 82 and contacts the end of the shield conductor 130. To do. When the barrel portion 80 is crimped to the end portion of the shield conductor 130, the barrel portion 80 (crimp pieces 81 and 82) and the protruding piece 85 come into contact with the end portion of the shield conductor 130, and the shield shell 40, the shield conductor 130, Are electrically connected.

<Effect>
The shield connector 10 and the shielded cable 1 with the connector according to the first embodiment have the following effects.

  (1) At the end of the shielded cable 100, the shield member 60 is attached to the exposed end of the communication line pair 121, 122, and the shield member 60 contacts the end of the communication line pair 121, 122 and its surroundings. Can be covered over the entire circumference. Therefore, impedance mismatch at the cable end where the shield layer is removed and the ends of the communication line pairs 121 and 122 are exposed can be reduced, and deterioration in communication quality can be suppressed.

  (2) The shield member 60 is a combination of the first shield piece 61 and the second shield piece 71, and among the plurality of electric wires 110 exposed at the end of the shield cable 100, a specific communication line pair 121, 122. It is possible to attach the shield member 60 selectively.

  (3) The 1st shield piece 61 has the folding | returning part 64 in the outer side of each 1st side part 62, and it fits so that each 2nd side part 72 of the 2nd shield piece 71 may contact | connect the outer side. Each folded portion 64 is sandwiched between the first side surface portion 62 and the second side surface portion 72 and functions as a spring, so that each first side surface portion 62 is elastically attached to the end portions of the communication line pairs 121 and 122. Can be contacted. Therefore, the first side surface portion 62 can be easily brought into close contact with the end portions of the communication line pairs 121 and 122, and impedance mismatch can be reduced. Further, the adhesion between the first shield piece 61 and the second shield piece 71 is increased, and the second shield piece 71 is firmly attached to the first shield piece 61. Therefore, it is difficult for the shield member 60 to drop off from the end portions of the communication line pairs 121 and 122.

[Modification 1]
With reference to FIGS. 9-14, the shield connector of the modification 1 is demonstrated. The shield connector 10 of Modification 1 is different from the first embodiment in the shape of the shield member. Below, the shield member which is the main difference with the shield connector of Embodiment 1 demonstrated with reference to FIGS. 2-7 is demonstrated, About the structure similar to Embodiment 1, the same code | symbol is attached | subjected, The description is omitted.

(Shield member)
As shown in FIGS. 9 and 10, the shield member 60 </ b> A of Modification 1 is in contact with the end portions of the communication line pairs 121 and 122 among the exposed end portions of the plurality of electric wires 110 at the end portions of the shield cable 100. So that the surrounding area is covered. The state of the shield member 60 </ b> A shown in FIG. 10 is a state after being attached to the end portions of the communication line pairs 121 and 122. The shield member 60A before attachment will be described with reference to FIGS.

  As shown in FIGS. 11 to 13, the shield member 60 </ b> A includes the first shield piece 61 (see FIG. 12) and the second shield piece 71 (see FIG. 13), which is the same as in the first embodiment. It is. The point which the 1st shield piece 61 has a pair of 1st side part 62, the 1st connection surface part 63, and the folding | returning part 64, and the point that the 2nd shield piece 71 has the 2nd side part 72 and the 2nd connection surface part 73 are also included. Common to the first embodiment. The shield member 60A is integrated by combining and fitting the first shield piece 61 and the second shield piece 71 as shown in FIG. 11, and covers the ends of the communication line pairs 121 and 122 over the entire circumference. (See FIG. 9).

(First shield piece)
One of the main differences of the first shield piece 61 in the first modification from the first embodiment is that, as shown in FIG. 10, the pair of first side surface portions 62 extends the end portions of the communication line pairs 121 and 122. It is a point that is sandwiched from the direction. Specifically, the first connecting surface portion 63 is in contact with each end portion of the communication line pair 121, 122, and both the first side surface portions 62 sandwich the end portions of the communication line pair 121, 122 from the lateral direction. A first shield piece 61 is disposed. Therefore, the width of the first connecting surface portion 63 is larger than the width of each first side surface portion 62. Also, as shown in FIGS. 12 and 14, in the first shield piece 61, a bent portion 65 is formed on the first connecting surface portion 63 so as to protrude inward at an intermediate position between the pair of communication lines 121 and 122. This is one of the differences.

(Second shield piece)
One of the main differences of the second shield piece 71 in the first modification from the first embodiment is that, as shown in FIG. 13 and FIG. 14, the second connecting surface portion 73 has an intermediate position between the pair of communication lines 121 and 122. The bent portion 75 is formed so as to protrude inward. Another difference is that a claw portion 76 that is bent so as to be in contact with the outside of the first connecting surface portion 63 of the first shield piece 61 is provided at the distal end portion of each second side surface portion 72 (see FIG. 10). ).

(Method of attaching shield member)
With reference to FIG. 10, FIG. 14, the attachment method of 60 A of shield members is demonstrated. First, as shown in FIG. 14, the shield member 60 </ b> A is disposed with respect to the end portions of the communication line pairs 121 and 122. Thereafter, the first shield piece 61 and the second shield piece 71 are fitted together by caulking the second side surface portion 72 of the shield member 60A in the left-right direction (the direction of the white arrow in FIG. 14). Thereby, the second shield piece 71 is fitted to the first shield piece 61, and the shield member 60A is attached to the end portions of the communication line pairs 121 and 122 as shown in FIG. In the state after the shield member 60A is attached (see FIG. 10), the interval between the second side surface portions 72 is narrowed compared to the state before the attachment (see FIG. 14), and the first side surface via the folded portion 64. The part 62 is compressed in the left-right direction. As a result, the first connecting surface portion 63 and the second connecting surface portion 73 are deformed starting from the bent portion 65 and the bent portion 75, and the bent portions 65 and 75 enter the intermediate position of the communication line pair 121 and 122, so The surface portion 63 and the second connecting surface portion 73 come into contact with the end portions of the communication line pair 121 and 122, respectively. In addition, the distance between the first side surface portion 62 and the folded portion 64 is narrowed, and the claw portion 76 of the second side surface portion 72 turns around so as to contact the outside of the first connecting surface portion 63.

<Effect>
In the shield connector 10 of Modification 1, the bent portions 65 and 75 are formed on the first connecting surface portion 63 and the second connecting surface portion 73, so that the bent portions 65 and 75 are at the intermediate positions of the communication line pairs 121 and 122. Get in. Therefore, the shield member 60 is easily brought into contact with each end portion of the communication line pair 121 and 122. In addition, the first shield piece 61 and the second shield piece 62 are displaced or disengaged when the claw portion 76 of the second side surface portion 72 is in contact with the outside of the first connecting surface portion 63 so as to hold the first shield piece 61. Can be further suppressed.

  The shielded connector and the shielded cable with the connector of the present invention can be suitably used as a shielded cable for high-speed communication.

DESCRIPTION OF SYMBOLS 1 Cable with connector 10 Shield connector 20 Inner housing 21 Main body part 22 Terminal 23 Terminal hole 25 Convex part 31 Arrangement part 40 Shield shell 40c Cable insertion part 41 Base 42 Bottom plate part 43 Base side plate part 44 Projection 45, 46 Engagement hole 51 Cover 52 upper plate portion 53 cover side plate portion 54 fitting hole 60, 60A shield member 61 first shield piece 62 first side face portion 63 first connecting face portion 64 folded portion 65 bent portion 71 second shield piece 72 second side face portion 73 second 2 Connecting surface portion 75 Bending portion 76 Claw portion 80 Barrel portion 81, 82 Crimp piece 85 Protruding piece 100 Shield cable 110 Electric wire 111 Conductor 112 Insulation coating 121, 122 Communication line 123 Drain line 124, 125 Communication line 126 Power supply line 127 Ground line 130 Shield guide Body 140 Sheath

Claims (4)

A shield connector connected to an end portion of a shielded cable having an electric wire including at least a pair of communication lines and a shield conductor that collectively covers the periphery of the electric wire,
An inner housing holding a terminal connected to the conductor end of the electric wire;
A shield shell for accommodating the inner housing and an end of the shield cable;
A shield member that touches the end of any one of the pair of communication lines exposed at the end of the shielded cable and collectively covers the periphery thereof,
The shield member is formed of a conductive plate, and a first shield piece that is partially open in the circumferential direction and a first shield piece that is fitted to the first shield piece so as to cover the opening of the first shield piece. 2 shield pieces,
The first shield piece includes a pair of first side surface portions sandwiching the pair of communication lines, a first connection surface portion that connects the first side surface portions, and a folded portion that folds outside the first side surface portions, Have
The second shield piece is disposed so as to face a pair of second side surface portions that are in contact with the outer sides of the folded portions, the second connection surface portion that connects the second side surface portions, and the second connection surface portion. A shielded connector.   One of the first side surface portion, the first connecting surface portion, and the second connecting surface portion is formed with a bent portion that is bent so as to protrude inward at an intermediate position of the pair of communication lines. The shield connector according to claim 1.   The shield connector according to claim 1 or 2, further comprising a claw portion bent at a tip portion of the second side surface portion so as to be in contact with an outside of the first connection surface portion. A shielded cable with a connector, comprising: a shielded cable having an electric wire including at least a pair of communication lines; a shield conductor that collectively covers the periphery of the electric wire; and a shield connector connected to an end of the shielded cable. And
The shield cable with a connector in which the shield connector is the shield connector according to any one of claims 1 to 3.

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