JP2011233505A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector having high shielding performance.SOLUTION: Multiple inner housings 30 are respectively covered by inner shells 40. The multiple inner housings 30, covered by the inner shells 40, are arranged in a width direction DW of a connector 10 to be housed in an outer housing 50. The outer housing 50 is covered by an outer shell 60. Two contacting portions 47, 47 are provided at each inner shell 40 so as to be located on both sides of the inner housing 30. A connection body 70, electrically connecting to the outer shell 60, is held by one contacting portion 47 of one inner shell 40, out of the two inner shells 40 located adjacent to each other, and one contacting portion 47 of the other inner shell 40. One of contacting portions 47 of each inner shell 40, which is positioned at an end in the width direction DW, contacts to the outer shell 60.

Description

  The present invention relates to a connector.

  Conventionally, a connector including a plurality of contacts, an inner housing, a first shell, an outer housing, and a second shell is known (see Patent Document 1 below).

  The inner housing holds a plurality of contacts.

  The first shell has a substantially rectangular tube shape and covers the inner housing. A first contact portion is formed on each side plate portion of the first shell via a folded portion.

  The outer housing houses the inner housing covered with the first shell.

  The second shell covers the outer housing. A second contact portion is formed on each side plate portion of the second shell.

  The first contact portions formed on both side plate portions of the first shell come into contact with the second contact portions formed on both side plate portions of the second shell, respectively, so that the first shell and the second shell are electrically connected. Therefore, the shielding performance is improved.

JP 2006-310164 A (paragraphs 0014, 0021, 0022, 0026, 0027, 0028, 0033, FIG. 4)

  When the above-described connector is modified into a connector having a configuration in which a plurality of internal housings each covered with a first shell are arranged along a predetermined direction in one external housing covered with a second shell, Only one of the first contact portions of the first shell disposed at both ends is directly connected to the second shell, and the first shells other than the first shell disposed at both ends in the predetermined direction are not directly connected to the second shell. There are few connection points between the first shell and the second shell, and the shielding performance is not high.

  The present invention has been made in view of such circumstances, and its object is to provide a connector having high shielding performance.

  In order to solve the above-described problem, the invention according to claim 1 is directed to a plurality of inner housings, a plurality of inner shells covering each of the plurality of inner housings, and the plurality of inner housings covered by the inner shell in a predetermined direction. A connector having an outer housing that is housed side by side and an outer shell that covers the outer housing, the inner shell has a contact portion that is disposed near both sides in the predetermined direction of the inner housing, and is adjacent The contact portion on one side in the predetermined direction of one of the two inner shells and the contact portion on the other side in the predetermined direction of the other inner shell are electrically connected to the outer shell. By sandwiching the connection body, the two adjacent inner shells and the outer shell are electrically connected.

  As described above, the inner shell is connected to the outer shell through the connection body. As a result, the shielding performance is improved.

  According to a second aspect of the present invention, in the connector according to the first aspect, of the plurality of inner shells, the inner shell located at both ends in the predetermined direction is opposite to the contact portion on the side of sandwiching the connection body. The contact portion is in contact with the outer shell.

  According to a third aspect of the present invention, in the connector according to the first or second aspect, the connection body includes a press-fit portion that is press-fitted into the outer housing, and an outer shell contact portion that is in contact with the outer shell. And

  According to a fourth aspect of the present invention, in the connector according to any one of the first to third aspects, the connection body has a plurality of inner shell contact portions that contact the contact portion. .

  The invention according to claim 5 is the connector according to claim 4, wherein the connection body includes a first inner shell contact portion and a second inner shell contact portion as the plurality of inner shell contact portions, The first inner shell contact portion and the second inner shell contact portion are arranged along the vertical direction of the outer housing, and the inner shell contact is located below the first and second inner shell contact portions. The width of the part in the left-right direction is narrower than the width in the left-right direction of the inner shell contact part located above.

  A sixth aspect of the present invention is the connector according to the fifth aspect, wherein the inner shell contact portion located above has a convex portion that contacts the contact portion.

  According to a seventh aspect of the present invention, in the connector according to the first or second aspect, the connection body is formed integrally with the outer shell.

  According to an eighth aspect of the present invention, in the connector according to the seventh aspect, the outer shell has left and right rear plates that cover the rear surface of the outer housing, and the connection body is integrated with the butted end portions of the left and right rear plates. It is characterized by being formed.

  According to a ninth aspect of the present invention, in the connector according to the seventh aspect, the outer shell is formed in a box shape by punching and bending a single metal plate, and extends rearward on both side plates of the outer shell. The extended plate portions are bent in a direction approaching each other to form left and right back plates that cover the back of the external housing, and the connection body is integrally formed at the butted end portions of the left and right back plates. .

  A tenth aspect of the present invention is the connector according to any one of the seventh to ninth aspects, wherein the connection body has a plurality of inner shell contact portions that contact the contact portion. .

  The invention according to claim 11 is the connector according to claim 10, wherein the connection body has a first inner shell contact portion and a second inner shell contact portion as the plurality of inner shell contact portions, The first inner shell contact portion and the second inner shell contact portion are arranged along the vertical direction of the outer housing, and the inner shell is positioned below the first and second inner shell contact portions. The width of the contact portion in the left-right direction is narrower than the width in the left-right direction of the inner shell contact portion located above.

  According to a twelfth aspect of the present invention, in the connector according to the eleventh aspect, the inner shell contact portion located above has a convex portion that contacts the contact portion.

  According to a thirteenth aspect of the present invention, in the connector according to the seventh aspect, the outer shell has left and right back plates and a central back plate that cover the back surface of the outer housing, and each of the three back plates. The connection body is formed at the butt end portion.

  According to a fourteenth aspect of the present invention, in the connector according to the thirteenth aspect, the first and second inner shell contact portions integrally formed on the left and right back plates and the central back plate are integrally formed. The third and fourth inner shell contact portions constitute two connection bodies, and the first inner shell contact portion and the third inner shell contact portion constituting one of the connection bodies are the outer portions. The second inner shell contact portion and the fourth inner shell contact portion constituting the other connecting body are arranged along the vertical direction of the housing, and are arranged along the vertical direction of the outer housing. The left-right width of the two inner shell contact portions positioned below among the fourth inner shell contact portions is narrower than the left-right width of the two inner shell contact portions positioned above. And

  According to a fifteenth aspect of the present invention, in the connector according to the fourteenth aspect, the two inner shell contact portions located above have a convex portion that contacts the contact portion.

  According to a sixteenth aspect of the present invention, in the connector according to the seventh aspect, the outer shell is located at an upper inner shell contact portion located on an upper portion of the rear plate of the outer shell and a lower portion of the rear plate of the outer shell. The lower inner shell contact portion constitutes the connection body, and the upper inner shell contact portion and the lower inner shell contact portion are arranged along the vertical direction of the outer housing, The width of the shell contact portion in the left-right direction is narrower than the width of the upper inner shell contact portion in the left-right direction.

  The invention according to claim 17 is the connector according to claim 16, wherein the upper inner shell contact portion and the lower inner shell contact portion are formed by cutting and raising the back plate, respectively. Features.

  The invention according to claim 18 is the connector according to claim 16 or 17, characterized in that the outer shell has three or more connection bodies.

  A nineteenth aspect of the present invention is the connector according to any one of the sixteenth to eighteenth aspects, wherein the upper inner shell contact portion has a convex portion that contacts the contact portion.

  The invention according to claim 20 is the connector according to any one of claims 1 to 19, wherein at least one of the outer shell, the inner shell, and the connection body is connected to a ground of a substrate. It is characterized by having.

  According to this invention, a connector with high shielding performance can be provided.

FIG. 1 is a perspective view of a connector according to a first embodiment of the present invention. FIG. 2 is an exploded perspective view of the connector shown in FIG. FIG. 3 is a conceptual diagram showing a contact state of the inner shell, the outer shell, and the connector of the connector shown in FIG. 4 is a perspective view of the external housing when the external housing of the connector shown in FIG. 1 is viewed from above. FIG. 5 is a perspective view showing the inner shell, the outer shell, the connection body, and the printed board. 6 is a perspective view of the outer shell when the outer shell of the connector shown in FIG. 1 is viewed obliquely from the rear. FIG. 7 is a perspective view of the connector connection body shown in FIG. FIG. 8 is an enlarged view of a portion A in FIG. FIG. 9 is an enlarged view of portion A of FIG. 3 when viewed from the side. FIG. 10 is a perspective view of a connection body of a modification of the connector shown in FIG. FIG. 11 is a perspective view showing a state in which the outer shell is removed from the outer housing of the connector according to the second embodiment of the present invention. FIG. 12 is a perspective view of the connector viewed from obliquely behind, with the outer shell removed from the outer housing of the connector shown in FIG. FIG. 13 is a conceptual diagram showing a contact state between the inner shell, the outer shell, and the connector of the connector shown in FIG. FIG. 14 is a perspective view of the external shell of the connector shown in FIG. 11 when viewed obliquely from below. 15 is an enlarged perspective view of the connector connecting body shown in FIG. FIG. 16 is an enlarged view of a portion B in FIG. FIG. 17 is a conceptual diagram showing a connection state of the inner shell, the outer shell, and the connection body of the connector according to the third embodiment of the present invention. 18 is a perspective view of the connector shown in FIG. 17 as viewed obliquely from the rear. FIG. 19 is a perspective view of the external shell of the connector shown in FIG. 17 as viewed obliquely from below. 20 is a perspective view of the external shell of the connector shown in FIG. 17 as viewed obliquely from the rear. FIG. 21 is an enlarged view of a portion C in FIG. FIG. 22 is a perspective view of the outer shell when the outer shell of the connector according to the fourth embodiment of the present invention is viewed obliquely from below. FIG. 23 is a perspective view of the outer shell shown in FIG. 22 as viewed obliquely from the rear. FIG. 24 is a perspective view of the outer shell of the connector according to the fifth embodiment of the present invention as viewed obliquely from below. FIG. 25 is a perspective view of the outer shell shown in FIG. 24 as viewed obliquely from the rear. FIG. 26 is a perspective view of the external shell of the connector according to the sixth embodiment of the present invention as viewed obliquely from below. FIG. 27 is a perspective view of the outer shell shown in FIG. 26 when viewed obliquely from the rear.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  A connector according to a first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 and 2, the connector 10 includes a plurality of contacts 20, three inner housings 30, three inner shells 40, one outer housing 50, one outer shell 60, and two connectors 70. . The connector 10 is mounted on a printed board 90 (see FIG. 5).

  As shown in FIGS. 1, 2, and 4, the contact 20 is formed in an approximately L shape. The contact 20 includes a contact portion 20a, a connection portion 20b, and a connection portion 20c. The contact portion 20 a is disposed on the inner surface of the inner housing 30 and extends in the fitting direction DF of the connector 10. The connecting portion 20b is disposed on the back surface of the inner housing 30, extends in the height direction DH of the connector 10, is inserted into the through hole 91 of the printed circuit board 90, and is soldered (see FIG. 5). The connection part 20c is substantially L-shaped, and connects the contact part 20a and the connection part 20b. One end portion (not shown) of the connecting portion 20c extends in the fitting direction DF, passes through the back surface of the inner housing 30, and continues to the contact portion 20a. The other end of the connecting portion 20c is disposed on the back surface of the inner housing 30, extends in the height direction DH, and continues to the connecting portion 20b.

  The inner housing 30 has a substantially rectangular tube shape and holds four contacts 20.

  As shown in FIGS. 2, 3, and 5, the inner shell 40 covers the outer peripheral surface of the inner housing 30. In FIG. 3, the external housing 50 is not shown. The inner shell 40 is formed by punching and bending one metal plate. The inner shell 40 includes a shell body 41, a pair of connecting portions 46, 46, a pair of contact portions 47, 47, and a connecting portion 48.

  The shell body 41 has a substantially rectangular tube shape and has a pair of side surface portions 42, 42, an upper surface portion 44, and a lower surface portion 45. A fixing latch 42a is formed on each of the pair of side portions 42, 42 (see FIG. 2).

  The connecting portion 46 is substantially plate-shaped, is substantially perpendicular to the side surface portion 42, protrudes outward from the side surface portion 42, and connects the contact portion 47 and the side surface portion 42.

  The contact portion 47 is substantially plate-shaped, extends in the height direction DH, and includes a main body 47a, a first contact 47b, and a second contact 47c. The main body 47 a faces the side surface portion 42. The plate thickness direction of the main body 47a and the plate thickness direction of the side surface portion 42 substantially coincide. The first contact 47b continues to the upper part of the main body 47a. 3, the top of the connector 10 is the top, the bottom is the bottom, the left is the left, and the right is the right. The first contact 47 b is inclined so that the upper end of the first contact 47 b approaches the side surface portion 42. The second contact 47c continues to the lower part of the main body 47a. The second contact 47 c is inclined so that the lower end of the second contact 47 c is separated from the side surface portion 42.

  The connection part 48 is substantially plate-shaped and continues to the lower surface part 45 (see FIG. 3). The connecting portion 48 is bent at a substantially right angle with respect to the lower surface portion 45 and extends downward. The connecting portion 48 is inserted into the through hole 92 of the printed board 90 and soldered (see FIG. 5). The through hole 92 is connected to the ground (not shown) of the printed circuit board 90.

  As shown in FIGS. 2 and 4, the outer housing 50 is substantially box-shaped and has a pair of side surface parts 51, 51, an upper surface part 53, a lower surface part 54, and a back surface part 55.

  A notch 51a is formed in a portion excluding the front side portion of the upper half of the side portion 51, and the shape when the side portion 51 is viewed from the side is substantially L-shaped. The side surface portion 51 continues to the side end portion of the lower surface portion 54. The back surface portion 55 continues to the rear end portion of the bottom surface portion 54. The front portion of the side end portion of the upper surface portion 53 is continuous with the side surface portion 51, and the rear end portion of the upper surface portion 53 is continuous with the back surface portion 55.

  Three inner shell insertion holes 55 a are formed in the back surface portion 55 along the width direction (predetermined direction) DW of the connector 10. The inner shell insertion hole 55a communicates with a receiving space 57 described later. The inner housing 30 covered with the inner shell 40 is inserted into the inner shell insertion hole 55 a, and the inner housing 30 is fixed to the outer housing 50. In addition, the back surface portion 55 is formed with accommodating portions 55c that are disposed between the inner shell insertion holes 55a and open upward and rearward of the external housing 50, and the back surface portion 55 has both ends in the width direction DW. The housing portion 55d is formed to open upward, rearward and laterally of the outer housing 50. The accommodating portion 55c and the accommodating portion 55d are arranged on a virtual straight line (not shown) parallel to the width direction DW.

  Two partitions 56 are arranged in the outer housing 50 at a predetermined interval along the width direction DW. By the partition 56, the internal space of the outer housing 50 is partitioned into three receiving spaces 57 that accept a mating connector (not shown). The three receiving spaces 57 are arranged along the width direction DW.

  A press-fit hole 58 is formed in the bottom surface of the housing portion 55c of the external housing 50 (see the right housing portion 55c where the connection body 70 is not disposed in FIG. 4). Note that the top of the connector 10 is the front and the bottom is the back as shown in FIG. The press-fitting hole 58 extends in the height direction DH. In addition, two holes 50 a and 50 b are formed in the corners of the external housing 50 that connect the lower portions of both side surface portions 51 of the external housing 50 and both side portions of the lower surface portion 54, respectively. Further, there is a gap 50c between the side surface portion 51 and the back surface portion 55 (see FIG. 2). A convex portion 55b extending in the height direction DH is formed in the gap 50c (see FIGS. 2 and 4).

  As shown in FIGS. 2 and 6, the outer shell 60 has a pair of side surface portions (side surface plates) 61, 61, an upper surface portion 63, and a back surface portion 64. The outer shell 60 is formed by punching and bending one metal plate.

  A groove 61 a is formed in the rear portion of the side surface portion 61. The groove 61 a extends upward from the lower end portion of the side surface portion 61. A fixing latch 61 b is formed at the front portion of the side surface portion 61.

  A first connection portion (connection portion) 65 and a lock piece 66 are connected to the lower portion of the side surface portion 61. The first connection portion 65 and the lock piece 66 extend downward from the lower end portion of the side surface portion 61. The first connection portion 65 is inserted into the through hole 93 of the printed circuit board 90 and soldered (see FIG. 5). The through hole 93 is connected to the ground of the printed circuit board 90. The lock piece 66 is inserted into the hole 96 of the printed circuit board 90 and is caught by a stepped surface (not shown) in the hole 96. As a result, the outer shell 60 is fixed to the printed circuit board 90.

  The upper surface portion 63 connects the pair of side surface portions 61 and 61.

  The back surface portion 64 continues to the rear end portion of the top surface portion 63. Two elastic contact pieces 64 a are formed on the back surface portion 64. A second connecting portion (connecting portion) 67 extending downward is connected to the lower end portions of both end portions of the back surface portion 64. The second connecting portion 67 is inserted into the through hole 94 of the printed circuit board 90 and soldered (see FIGS. 5 and 6). The through hole 94 is connected to the ground of the printed circuit board 90.

  As shown in FIGS. 7, 8, and 9, the connection body 70 is substantially h-shaped, and includes a first contact portion (first inner shell contact portion) 71 and a second contact portion (second inner shell contact portion). ) 72, a third contact portion (outer shell contact portion) 73, a press-fit portion 74, a connecting portion 75, a connecting portion 76, and a connecting portion 77. The connecting body 70 is formed by punching and bending one metal plate.

  The 1st contact part 71 is located in the upper part of the connection body 70, and the shape is a shape like the board bent by the substantially U shape. Convex portions 71 a are formed on both side surfaces of the first contact portion 71. The convex portion 71a extends in the height direction DH.

  The second contact portion 72 is located below the first contact portion 71 and has a shape like a plate bent in a substantially U shape. Since the convex part 71a is formed in the 1st contact part 71, the width | variety of the width direction DW of the 2nd contact part 72 is narrower than the width | variety of the width direction DW of the 1st contact part 71 (FIG. 7, (See FIG. 8).

  The third contact portion 73 has a substantially rectangular plate shape, is located behind the first contact portion 71, and the thickness direction of the third contact portion 73 is substantially orthogonal to the width direction DW of the first contact portion 71.

  The press-fit portion 74 is located in the middle portion of the connection body 70 and is arranged substantially in parallel with the second contact portion 72.

  The connecting portion 75 connects the first contact portion 71 and the third contact portion 73.

  The connecting portion 76 connects the first contact portion 71, the second contact portion 72, and the press-fit portion 74.

  The connection portion 77 is continuous with the lower end of the press-fit portion 74 and extends downward from the press-fit portion 74. The connecting portion 77 is inserted into the through hole 95 of the printed board 90 and soldered (see FIG. 5). The through hole 95 is connected to the ground of the printed circuit board 90.

  Next, an example of the assembly procedure of the connector 10 will be described. As shown in FIG. 2, first, the contact 20 is assembled to the inner housing 30, and the inner shell 40 is fixed to the outer peripheral portion of the inner housing 30. The inner housing 30 assembled with the contact 20 and the inner shell 40 in this way is inserted into the inner shell insertion hole 55a of the outer housing 50 from the rear of the outer housing 50. At this time, the latch 42a for fixing the inner shell 40 is caught in a recess (not shown) formed in the inner peripheral surface of the inner shell insertion hole 55a of the outer housing 50, and the inner shell 40 (and the inner housing 30) is moved to the outer housing. 50.

  The contact portion 47 on the right side of the inner shell 40 (the inner shell 40 located on the left end in FIG. 3) inserted into the inner shell insertion hole 55a located on the left end in the width direction DW of the outer housing 50 is placed on the housing portion 55c. The contact portion 47 is inserted into the accommodating portion 55d.

  The contact portion 47 on the left side of the inner shell 40 (inner shell 40 located on the right end in FIG. 3) inserted into the inner shell insertion hole 55a located on the right end in the width direction DW of the outer housing 50 is connected to the housing portion 55c and on the right side. The contact portion 47 is inserted into the accommodating portion 55d.

  Both contact portions 47 of the inner shell 40 inserted into the inner shell insertion holes 55a other than the inner shell insertion holes 55a located at both ends in the width direction DW of the outer housing 50 are inserted into the accommodating portions 55c.

  Next, the connection body 70 is inserted between the two contact portions 47 adjacent in the width direction DW from above the accommodating portion 55c, and the press-fit portion 74 is press-fitted into the press-fit hole 58 (see FIG. 4) on the bottom surface of the accommodating portion 55c. To do. At this time, since the width of the second contact portion 72 is narrower than the width of the first contact portion 71, the second contact portion 72 can pass between the first contact points 47b of the adjacent contact portions 47 without contacting them. . Further, the connection portion 77 of the connection body 70 passes through the press-fit hole 58 and protrudes downward from the lower surface of the external housing 50.

  Finally, the outer shell 60 is mounted on the outer housing 50 from above the outer housing 50 (see FIG. 2). At this time, the both side surface portions 61, 61 of the outer shell 60 are inserted from the notches 51 a, 51 a of the outer housing 50 along the inner surfaces of the both side surface portions 51, 51. When the side portions 61, 61 of the outer shell 60 are inserted to a predetermined position, the fixing latches 61b, 61b of the side portions 61, 61 are recessed portions 51b, 51b provided on the inner surfaces of the side portions 51, 51 of the outer housing 50. (Refer to FIG. 2), part of the side surface portions 61, 61 of the outer shell 60 enters the clearances 50 c, 50 c of the outer housing 50, and the clearances 50 c, 61 a enter the grooves 61 a, 61 a of the side surface portions 61, 61. The convex portions 55b and 55b (see FIG. 4) at 50c are relatively press-fitted. As a result, the outer shell 60 is fixed to the outer housing 50. Further, the first connection portions 65, 65 of the outer shell 60 are inserted into the holes 50 a, 50 a of the outer housing 50 and protrude downward from the lower surface of the outer housing 50, and a pair of lock pieces 66, 66 are formed on the outer housing 50. It is inserted into the holes 50b, 50b and protrudes downward from the lower surface of the outer housing 50. Further, the third contact portion 73 of the connection body 70 contacts the elastic contact piece 64a of the back surface portion 64 of the external shell 60, and the connection body 70 is electrically connected to the external shell 60 (see FIG. 8).

  Further, a contact portion 47 on one side in the width direction DW of one inner shell 40 of the two adjacent inner shells 40, 40 and a contact portion 47 on the other side in the width direction DW of the other inner shell 40 are: By sandwiching the connection body 70 that is electrically connected to the external shell 60, the two adjacent inner shells 40 and the external shell 60 are electrically connected via the connection body 70.

  Of the three inner shells 40, 40, the contact portion 47 opposite to the contact portion 47 on the side sandwiching the connection body 70 of the two inner shells 40 located at both ends in the width direction DW contacts the outer shell 60. Yes.

  As described above, the contact portions 47, 47 of the inner shell 40 are electrically connected to the outer shell 60 directly or via the connecting body 70, so that the shielding performance is improved.

  In order to mount the connector 10 on the printed circuit board 90, the connection portion 20 b of the contact 20, the connection portion 48 of the inner shell 40, the first and second connection portions 65 and 67 of the outer shell 60, and the connection portion 77 of the connection body 70 are provided. These may be inserted into predetermined through holes 91, 92, 93, 94, 95, respectively, and soldered by reflow soldering or the like. The through holes 92, 93, 94, and 95 into which the connection portion 48 of the inner shell 40, the first and second connection portions 65 and 67 of the outer shell 60, and the connection portion 77 of the connection body 70 are respectively inserted are connected to the ground. Yes.

  According to the first embodiment, of the two contact portions 47 of the inner shell 40 positioned at both ends in the width direction DW, the contact portion 47 on the opposite side to the contact portion 47 that sandwiches the connection body 70 is directly connected to the outer shell. Since the contact portion 47 on the side that contacts the 60 and clamps the connection body 70 is connected to the external shell 60 via the connection body 70, the shielding performance is improved. In addition, since the two contact portions 47 and 47 of the inner shell 40 other than the inner shells 40 and 40 located at both ends in the width direction DW are in contact with the outer shell 60 via the connecting body 70, the shielding performance is improved. Therefore, the connector 10 of the first embodiment is suitable as a shield connector for high speed transmission.

  Moreover, since the connection body 70 has the 3rd contact part 73 and the press-fit part 74, mounting | wearing with the external housing 50 of the connection body 70 and electrical connection with respect to the external shell 60 of the connection body 70 can each be performed easily. it can.

  Further, the connection portion 48 of the inner shell 40, the first and second connection portions 65 and 67 of the outer shell 60, and the connection portion 77 of the connection body 70 are electrically connected to the ground of the printed circuit board 90, respectively. Increases the number of locations and improves shielding.

  Moreover, since the connection body 70 has the 1st contact part 71 and the 2nd contact part 72, and contacts with the contact part 47 of the inner shell 40 in many points, shielding property becomes high. Further, there is almost no potential difference between the two inner shells 40, and the generation of noise due to the antenna action of the inner shell 40 caused by the potential difference can be suppressed.

In addition, a so-called multi-block type shield connector in which three or more internal housings 30 are accommodated in one external housing 50 can be constituted by one type of internal shell 40, and the shielding performance does not deteriorate.

  Furthermore, since the width of the second contact portion 72 in the width direction DW is narrower than the width of the first contact portion 71 in the width direction DW, the connection body 70 can be smoothly inserted between the two adjacent contact portions 47. The connector 10 can be easily assembled.

  A modification of the connector of the first embodiment will be described with reference to FIG.

  Only the main differences from the first embodiment will be described below.

  In the connector 70 of the connector 10 of the first embodiment, a connecting portion 77 is connected to the lower end of the press-fit portion 74. However, in the connector of the modification of the first embodiment, as shown in FIG. The connecting portion 77 is not connected to the press-fit portion 74.

  Next, a connector according to a second embodiment of the invention will be described with reference to FIGS.

  Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  Although the outer housing 50 of the connector 10 of the first embodiment has three receiving spaces 57, the outer housing 250 of the connector 210 of the second embodiment has two receiving spaces 57, as shown in FIG.

  As shown in FIGS. 12 to 15, the back surface portion 264 of the external shell 260 includes a left back plate (extension plate portion) 264 a and a right back plate (extension plate portion) 264 b. The outer shell 260 is formed by punching and bending one metal plate. One side end portion of the left back plate 264 a is continuous with one side surface portion 61, and the left back plate 264 a is bent at a substantially right angle with respect to the side surface portion 61. One side end portion of the right back plate 264 b is connected to the other side surface portion 61, and the right back plate 264 b is bent at a substantially right angle with respect to the side surface portion 61.

  The connection body 270 includes a first contact portion (first inner shell contact portion) 271 and a second contact portion (second inner shell contact portion) 272, and is integrally formed with the outer shell 260. The first contact portion 271 is bent into a U-shape and continues to the other side end portion (butting end portion) of the left back plate 264a. Convex portions 271 a are formed on both side surfaces of the first contact portion 271. The second contact portion 272 is bent in a substantially U shape and continues to the other side end portion (butt end portion) of the right back plate 264b. The first contact portion 271 and the second contact portion 272 are displaced in the height direction DH, and the first contact portion 271 is located on the second contact portion 272. The first contact portion 271 and the second contact portion 272 are bent at substantially right angles with respect to the left back plate 264a and the right back plate 264b, respectively, and project inward (forward) of the outer shell 260. Since the convex portion 271a is formed on the first contact portion 271, the width in the width direction DW of the second contact portion 272 is accordingly smaller than the width in the width direction DW of the first contact portion 271 (see FIG. 16). ).

  As shown in FIG. 11, when the outer shell 260 is mounted on the outer housing 250 from above the outer housing 250, the first contact portion 271 and the second contact portion 272 are adjacent to each other as shown in FIGS. The two inner shells 40, 40 enter between the two contact portions 47 inserted into the accommodating portions 55c. At this time, since the width of the second contact portion 272 is narrower than the width of the first contact portion 271, the second contact portion 272 passes between the first contact points 47b of the two adjacent contact portions 47 without contacting them. Can do. When the first contact portion 271 and the second contact portion 272 enter between the two adjacent contact portions 47, the convex portion 271a of the first contact portion 271 is one inner shell of the two adjacent inner shells 40, 40. The first contact 47b of the contact portion 47 on one side in the width direction DW of 40 and the first contact 47b of the contact portion 47 on the other side in the width direction DW of the other inner shell 40 are sandwiched between the second contact portions. 272 is sandwiched between the second contact 47c of the contact portion 47 on one side of the width direction DW of one inner shell 40 and the second contact 47c of the contact portion 47 on the other side of the width direction DW of the other inner shell 40. It is. As a result, the two inner shells 40 and the outer shell 260 are electrically connected via the connection body 270.

  In addition, the contact portion 47 opposite to the contact portion 47 on the side sandwiching the connection body 270 of the two inner shells 40 is in contact with the outer shell 260. As a result, the contact portion 47 opposite to the contact portion 47 that sandwiches the connection body 270 of the two inner shells 40 is directly conducted to the outer shell 260.

  According to the second embodiment, the same effects as those of the first embodiment can be obtained, and since the connection body 270 is integrated with the outer shell 260, the manufacturing cost can be further reduced, and the assembly of the connector is also easy. Become.

  Next, a connector according to a third embodiment of the invention will be described with reference to FIGS.

  Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  As shown in FIGS. 17 and 18, the connector 310 of the third embodiment includes a plurality of contacts 20, three inner housings 30, three inner shells 40, one outer housing 50, one outer shell 360 and two connections. And a body 370.

  In the connector 10 of the first embodiment, the connection body 70 is separate from the external shell 60, but in the connector 310 of the third embodiment, the connection body 370 is the external shell 360, as in the connector 210 of the second embodiment. And is integrally formed. Further, the connector 210 of the second embodiment has one connection body 270, while the connector 310 of the third embodiment has two connection bodies 370.

  As shown in FIGS. 19 and 20, the back surface portion 364 of the external shell 360 covering the back surface of the external housing 50 includes a left back plate (side extension plate portion) 364a and a right back plate (side extension plate portion) 364b. It is comprised by the center back plate (upper surface extension board part) 364c.

  The left back plate 364a is formed by bending a left side surface extension plate portion extending rearward from the rear end of the left side surface portion 61 of the connector 310 toward the right back plate 364b.

  The right back plate 364b is formed by bending a right side extension plate portion extending rearward from the rear end of the right side portion 61 of the connector 310 toward the left back plate 364a.

  The central back plate 364c is formed by bending an upper surface extension plate portion extending rearward from the rear end of the central portion of the upper surface portion 63 of the connector 310 toward the left and right back plates 364a and 364b. Two third connection portions 368 are connected to the lower end of the central back plate 364c. The third connection portion 368 extends along the height direction DH of the connector 310. The third connection portion 368 is inserted into a through hole connected to a ground of a printed board (not shown) and soldered.

  A first contact portion (first inner shell contact portion) 371 bent in a U-shape is bent at one side end portion (butting end portion) of the left back plate 364a so as to protrude into the outer shell 360. Is formed. The first contact portion 371 extends along the height direction DH. Convex portions 371 a are respectively formed on both end surfaces of the first contact portion 371 in the width direction DW. A second contact portion (second inner shell contact portion) 372 bent in a U-shape is bent at one side end (butt end) of the right back plate 364b so as to protrude into the outer shell 360. Is formed. The second contact portion 372 extends along the height direction DH. Convex portions 372a are formed on both end surfaces of the second contact portion 372 in the width direction DW.

  Both side end portions (butting end portions) in the width direction DW of the central back plate 364c are bent into a U shape in the same manner as the third contact portion (third inner shell contact portion) 373 bent into a U shape. A fourth contact portion (fourth inner shell contact portion) 374 is formed to be bent so as to protrude into the outer shell 360. The third and fourth contact portions 373 and 374 after the bending process extend in the height direction DH. The third contact portion 373 is located below the first contact portion 371 in the height direction DH. Further, the fourth contact portion 374 is positioned below the second contact portion 372 in the height direction DH. Since the convex portion 371 a is formed on the first contact portion 371, the width in the width direction DW of the third contact portion 373 is correspondingly smaller than the width in the width direction DW of the first contact portion 371. Similarly, since the convex portion 372a is formed in the second contact portion 372, the width of the fourth contact portion 374 in the width direction DW is narrower than the width of the second contact portion 372 in the width direction DW.

  The first contact portion 371 of the left back plate 364a and the third contact portion 373 of the center back plate 364c constitute the left connection body 370 of the connector 310, and the second contact portion 372 of the right back plate 364b and the center. The right contact body 370 of the connector 310 is composed of the fourth contact portion 374 on the right side of the back plate 364c.

  When the outer shell 360 is attached to the outer housing 50, each connection body 370 is sandwiched between the contact portions 47 of two adjacent inner shells 40, and the inner shell 40 is electrically connected to the outer shell 360. The width of the third contact portion 373 in the width direction DW is narrower than the width of the first contact portion 371 in the width direction DW, and the width of the fourth contact portion 374 in the width direction DW is the width direction DW of the second contact portion 372. Therefore, when the outer shell 360 is attached to the outer housing 50, the third contact portion 373 and the fourth contact portion 374 are located between the first contacts 47b (see FIG. 21) of the two adjacent contact portions 47. You can pass without touching them.

  According to 3rd Embodiment, there exists an effect similar to 2nd Embodiment.

  Next, a connector according to a fourth embodiment of the invention will be described with reference to FIGS.

  Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  As shown in FIGS. 22 and 23, two connection bodies 470 are integrally formed on the outer shell 460 of the connector of the fourth embodiment.

  Each connecting body 470 includes a first contact portion (upper inner shell contact portion) 471 and a second contact portion (lower inner shell contact portion) 472.

  Convex portions 471a are formed on both end surfaces of the first contact portion 471 in the width direction DW. The first contact portion 471 shears a part of the back surface portion (back plate) 464 of the outer shell 460 on which the convex portion 471a is formed in a tongue shape, and then bends the tip of the tongue-shaped portion into a U shape. Finally, it is formed by folding the root portion of the tongue-shaped portion toward the inner space of the outer shell 460. The two first contact portions 471 are arranged along the width direction DW.

  The second contact portion 472 shears a part of the back surface portion 464 of the outer shell 460 in a tongue shape, then bends the tip of the tongue-like portion into a U shape, and finally, the root portion of the tongue-like portion is externally attached. It is formed by bending toward the inner space of the shell 460. The two second contact portions 472 are located below the first contact portion 471 and are arranged along the width direction DW. Further, the second contact portion 472 is aligned with the first contact portion 471 in the height direction DH. Furthermore, the width of the second contact portion 472 in the width direction DW is narrower than the width of the first contact portion 471 in the width direction DW.

  Two third connection portions 468 are connected to the lower end of the central portion of the back surface portion 464. The third connection portion 468 extends along the height direction DH. The third connection portion 468 is inserted into a through hole connected to the ground of a printed board (not shown) and soldered.

  According to the fourth embodiment, the same effects as those of the third embodiment can be obtained, and the two connection bodies 470 can be formed without using a high-performance press apparatus.

  Next, a connector according to a fifth embodiment of the present invention will be described with reference to FIGS.

  Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  As shown in FIGS. 24 and 25, three connection bodies 570 are integrally formed on the outer shell 560 of the connector of the fifth embodiment. The connector of the fifth embodiment includes four inner housings 30 and four inner shells 40.

  Each connection body 570 includes a first contact portion (upper inner shell contact portion) 571 and a second contact portion (lower inner shell contact portion) 572.

  Convex portions 571a are formed on both end surfaces of the first contact portion 571 in the width direction DW. The first contact portion 571 shears a part of the back surface portion (back plate) 564 of the outer shell 560 on which the convex portion 571a is previously formed in a tongue shape, and then bends the tip of the tongue-shaped portion into a U shape. Finally, the base portion of the tongue-like portion is formed by bending toward the inner space of the outer shell 560. The three first contact portions 571 are arranged along the width direction DW.

  The second contact portion 572 shears a part of the back surface portion 564 of the outer shell 560 in a tongue shape, then bends the tip of the tongue-like portion into a U shape, and finally, the root portion of the tongue-like portion is externally attached. It is formed by bending toward the inner space of the shell 560. The three second contact portions 572 are located below the first contact portion 571 and are arranged along the width direction DW. Further, the second contact portion 572 is aligned with the first contact portion 571 in the height direction DH. Furthermore, the width of the second contact portion 572 in the width direction DW is narrower than the width of the first contact portion 571 in the width direction DW.

  Two third connection portions 568 are connected to the lower end of the central portion of the back surface portion 564. The third connection portion 568 extends along the height direction DH. The third connection portion 568 is inserted into a through hole connected to the ground of a printed circuit board (not shown) and soldered.

  According to 5th Embodiment, there exists an effect similar to 4th Embodiment.

  Next, a connector according to a sixth embodiment of the invention will be described with reference to FIGS.

  Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  As shown in FIGS. 26 and 27, four connection bodies 670 are integrally formed on the outer shell 660 of the connector of the sixth embodiment. The connector of the sixth embodiment includes five inner housings 30 and five inner shells 40, respectively.

  Each connection body 670 includes a first contact portion (upper inner shell contact portion) 671 and a second contact portion (lower inner shell contact portion) 672.

  Convex portions 671a are formed on both end surfaces of the first contact portion 671 in the width direction DW. The first contact portion 671 shears a part of the back surface portion (back plate) 664 of the external shell 660 on which the convex portion 671a is formed in advance into a tongue shape, and then bends the tip of the tongue shape portion into a U shape. Finally, the base portion of the tongue-shaped portion is formed by bending toward the inner space of the outer shell 660. The four first contact portions 671 are arranged along the width direction DW.

  The second contact portion 672 shears a part of the back surface portion 664 of the outer shell 660 in a tongue shape, and then bends the tip of the tongue-like portion into a U shape, and finally the root portion of the tongue-like portion is externally attached. It is formed by bending toward the inner space of the shell 660. The four second contact portions 672 are located below the first contact portion 671 and are arranged along the width direction DW. Further, the second contact portion 672 is aligned with the first contact portion 671 in the height direction DH. Furthermore, the width of the second contact portion 672 in the width direction DW is narrower than the width of the first contact portion 671 in the width direction DW.

  Two third connection portions 668 are connected to the lower end of the central portion of the back surface portion 664. The third connection portion 668 extends along the height direction DH. The third connection portion 668 is inserted into a through hole connected to the ground of a printed board (not shown) and soldered.

  According to 6th Embodiment, there exists an effect similar to 4th Embodiment.

  In the above-described embodiment, the outer shells 60, 260, 360, 460, 560, and 660 are formed by punching and bending a single metal plate, but the outer shells 60, 260, 360, 460, and 560, 660 need not be formed in this way.

  In the fourth to sixth embodiments, the number of connection bodies 470, 570, and 670 is 2, 3, and 4, respectively, but the number of connection bodies may be 1 or 5 depending on the number of internal shells. That's all.

  10: connector, 20: contact, 20a: contact portion, 20b: connection portion, 20c: coupling portion, 30: inner housing, 40: inner shell, 41: shell body, 42: side portion, 42a: fixing latch, 44 : Upper surface portion, 45: lower surface portion, 46: connecting portion, 47: contact portion, 47a: main body, 47b: first contact, 47c: second contact, 48: connection portion, 50: external housing, 50a: hole, 50b : Hole, 50c: gap, 51: side surface portion, 51a: notch, 51b: recess, 53: upper surface portion, 54: lower surface portion, 55: back surface portion, 55a: inner shell insertion hole, 55b: convex portion, 55c: Housing part, 55d: Housing part, 56: Partition, 57: Receiving space, 58: Press-fit hole, 60: External shell, 61: Side part (side plate), 61a: Groove, 61b: Latch for fixing, 63: Top part 64: Back portion, 64a Elastic contact piece, 65: first connection part (connection part), 66: lock piece, 67: second connection part (connection part), 70: connection body, 71: first contact part (first inner shell contact part) ), 71a: convex portion, 72: second contact portion (second inner shell contact portion), 73: third contact portion (outer shell contact portion), 74: press-fit portion, 75: connecting portion, and 76: connecting portion. 77: connection part, 90: printed circuit board, 91: through hole, 92: through hole, 93: through hole, 94: through hole, 95: through hole, 96: hole, 170: connector, 210: connector, 250 : External housing, 260: external shell, 264: back surface portion, 264a: left back plate (extension plate portion), 264b: right back plate (extension plate portion), 270: connector, 271: first contact portion ( First inner shell contact portion), 271a: convex portion, 72: second contact portion (second inner shell contact portion), 310: connector, 360: outer shell, 364: back surface, 364a: left back plate (side extension plate portion), 364b: right back plate ( Side extension plate portion), 364c: central back plate (upper surface extension plate portion), 368: third connection portion, 370: connection body, 371: first contact portion (first inner shell contact portion), 371a: convex 372: second contact part (second inner shell contact part), 372a: convex part, 373: third contact part (third inner shell contact part), 374: fourth contact part (fourth inner part) Shell contact portion), 460: outer shell, 464: back surface portion (back plate), 468: third connection portion, 470: connection body, 471: first contact portion (upper inner shell contact portion), 471a: convex portion 472: second contact portion (lower inner shell contact portion), 560: outside Shell, 564: back surface portion (back plate), 568: third connection portion, 570: connection body, 571: first contact portion (upper inner shell contact portion), 571a: convex portion, 572: second contact portion (Lower inner shell contact portion), 660: outer shell, 664: back surface portion (back plate), 668: third connection portion, 670: connection body, 671: first contact portion (upper inner shell contact portion) , 671a: convex portion, 672: second contact portion (lower inner shell contact portion), DW: width direction (predetermined direction), DH: height direction, DF: fitting direction.

Claims (20)

A plurality of inner housings;
A plurality of inner shells respectively covering the plurality of inner housings;
An outer housing that houses the plurality of inner housings covered by the inner shell in a predetermined direction;
In the connector comprising an outer shell covering the outer housing,
The inner shell has a contact portion disposed in the vicinity of both sides in the predetermined direction of the inner housing;
The contact portion on one side in the predetermined direction of the inner shell of one of the two adjacent inner shells and the contact portion on the other side in the predetermined direction of the other inner shell are in the outer shell. The connector, wherein the two adjacent inner shells and the outer shell are brought into conduction by sandwiching a conducting body to be conducted. Of the plurality of inner shells, the contact portion on the opposite side to the contact portion on the side of sandwiching the connection body of the inner shell located at both ends in the predetermined direction is in contact with the outer shell. The connector according to claim 1. The connector according to claim 1, wherein the connection body includes a press-fitting portion that is press-fitted into the outer housing, and an outer shell contact portion that contacts the outer shell.   The connector according to claim 1, wherein the connection body has a plurality of inner shell contact portions that contact the contact portion. The connection body includes a first inner shell contact portion and a second inner shell contact portion as the plurality of inner shell contact portions, and the first inner shell contact portion and the second inner shell contact portion. Are arranged along the vertical direction of the outer housing, and the width of the inner shell contact portion located below the first and second inner shell contact portions in the left-right direction is the upper shell contact. The connector according to claim 4, wherein the connector is narrower than the width in the left-right direction. The connector according to claim 5, wherein the inner shell contact portion located above has a convex portion that contacts the contact portion.   The connector according to claim 1, wherein the connection body is formed integrally with the outer shell. The connector according to claim 7, wherein the outer shell has left and right rear plates covering the rear surface of the outer housing, and the connection body is integrally formed at a butted end portion of the left and right rear plates. The outer shell is formed into a box shape by punching and bending one metal plate,
The extension plate portions connected to the both side plates of the outer shell so as to extend rearward are bent in a direction approaching each other to form left and right back plates covering the back of the outer housing, and the butt ends of the left and right back plates are The connector according to claim 7, wherein the connection body is integrally formed.   The connector according to claim 7, wherein the connection body has a plurality of inner shell contact portions that contact the contact portion. The connection body includes a first inner shell contact portion and a second inner shell contact portion as the plurality of inner shell contact portions, and the first inner shell contact portion and the second inner shell contact portion. The inner shell is arranged along the vertical direction of the outer housing, and the width of the inner shell contact portion located in the lower side of the first and second inner shell contact portions is located in the upper side. The connector according to claim 10, wherein the contact portion is narrower than a width in a left-right direction. The connector according to claim 11, wherein the inner shell contact portion located above has a convex portion that contacts the contact portion. The outer shell has left and right back plates that cover the back of the external housing and a central back plate, and the connection body is formed at each butted end of each of the three back plates. The connector according to claim 7. The first and second inner shell contact portions integrally formed on the left and right back plates and the third and fourth inner shell contact portions integrally formed on the center back plate and the two connections The first inner shell contact portion and the third inner shell contact portion constituting one of the connection bodies are arranged along the vertical direction of the outer housing, and constitute the other connection body. The second inner shell contact portion and the fourth inner shell contact portion are arranged along the vertical direction of the outer housing, and two of the first to fourth inner shell contact portions positioned below The width of the left-right direction of the said inner shell contact part is narrower than the width of the left-right direction of the two said inner shell contact parts located upward. The connector of Claim 13 characterized by the above-mentioned. The connector according to claim 14, wherein the two inner shell contact portions positioned above have a convex portion that contacts the contact portion. The upper inner shell contact portion located at the upper portion of the back plate of the outer shell and the lower inner shell contact portion located at the lower portion of the rear plate of the outer shell constitute the connection body, The shell contact portion and the lower inner shell contact portion are arranged along the vertical direction of the outer housing, and the width of the lower inner shell contact portion in the left-right direction is the left-right direction of the upper inner shell contact portion. The connector according to claim 7, wherein the connector is narrower than the width of the connector.   The connector according to claim 16, wherein the upper inner shell contact portion and the lower inner shell contact portion are formed by cutting and raising the back plate.   The connector according to claim 16 or 17, wherein the outer shell has three or more of the connecting bodies. The connector according to any one of claims 16 to 18, wherein the upper inner shell contact portion has a convex portion that contacts the contact portion.   The connector according to any one of claims 1 to 19, wherein at least one of the outer shell, the inner shell, and the connection body has a connection portion connected to a ground of a substrate.

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