Connector

Abstract

The utility model provides a connector which can restrain deformation of a housing and reinforce the housing in order to realize good contact performance of a contact pin. The outer case (110, 110 ') is provided with a base part (111), an intermediate part (112), and a top part (113) from the substrate (20) side in the depth direction (Dd), the base part (111) has a bottom surface (111a) facing the substrate (20), the top part (113) has a notch (113a) into which the module substrate (11) is inserted, the size of the intermediate part (112) in the width direction (Dw) and / or the size of the intermediate part (112) in the height direction (Dh) is smaller than the size of the base part (111) and the size of the top part (113). The frame (170), the second frame (180), and the frame (190) are ring-shaped plate materials which surround the middle part (112) and have four sides.

Description

Technical Field

[0001] The utility model relates to a connector. Background Art

[0002] A receptacle connector mounted on a mounting substrate includes a plurality of pin groups having a plurality of contact pins and a housing that holds the pin groups.

[0003] In such a connector, for example, a first pin group and a second pin group are arranged facing each other with a predetermined interval therebetween, and when the plug connector is connected to the receptacle connector, the substrate of the plug connector is inserted between the first pin group and the second pin group (for example, US9780512B2 or JP2011146210A).

[0004] When the substrate is inserted, a portion of each contact pin of the first pin group and a portion of each contact pin of the second pin group deform away from each other due to contact with the substrate. At this time, the portion of the contact pin that contacts the inner wall of the housing exerts an outward force on the housing wall.

[0005] As a result, the housing wall bends and deforms outward due to the force applied by the contact pins. This deformation is particularly common when opposing walls cannot be connected (for example, when a space is required inside the housing to accommodate other components). Furthermore, deformation of the housing wall reduces the contact load of each contact pin against the substrate, potentially preventing the desired contact performance.

[0006] Therefore, an object of the present invention is to provide a connector capable of suppressing deformation of a housing and reinforcing the housing to achieve good contact performance of a contact pin. Utility Model Content

[0007] In order to solve the above problems, the connector of the present invention adopts the following method.

[0008] The first embodiment of the present invention relates to a connector, which is mounted on an external substrate and for the external module substrate possessed by an external module to be inserted along a first direction, a direction perpendicular to the first direction is set as a second direction, and a direction perpendicular to the first direction and the second direction is set as a third direction, the connector comprising: a plurality of contact pins, which are in contact with the external module substrate; a shell, which holds the plurality of contact pins; and a reinforcing component, which is mounted on the shell, the shell being provided with a base, a middle portion, and a top portion from the external substrate side along the first direction, the base portion having a bottom surface facing the external substrate, the top portion having a groove for inserting the external module substrate, the size of the middle portion in the second direction and / or the size in the third direction being smaller than the base portion and the top portion, and the reinforcing component being an annular plate having four sides surrounding the middle portion.

[0009] The connector of this embodiment strengthens the housing by installing a reinforcing member, thereby suppressing deformation of the housing. This allows for proper maintenance of contact pressure on the contact pins, and achieves excellent signal transmission characteristics up to high-frequency ranges.

[0010] A second aspect of the present invention relates to the connector of the first aspect, wherein the top and base portions have substantially the same dimensions in the second direction, and the middle portion has a smaller dimension in at least the second direction than the base and top portions.

[0011] According to the connector according to this aspect, the inner dimensions of the reinforcing member can be increased, thereby increasing the rigidity of the reinforcing member.

[0012] A third aspect of the present invention provides the connector according to the first aspect or the second aspect, wherein the reinforcing member is configured so that at least one of the four sides is separable from the remaining sides.

[0013] According to the connector according to this aspect, even if the intermediate portion is narrowed, the reinforcing member can be attached to the intermediate portion.

[0014] The connector involved in the fourth embodiment of the present invention, in any one of the first to third embodiments, includes a second reinforcing component installed on the shell, and the second reinforcing component is an annular plate with four sides surrounding the middle part, overlapping with the reinforcing component, and is constructed in a manner that at least one of the four sides and the remaining sides can be separated.

[0015] According to the connector of this embodiment, the housing can be further reinforced by attaching the second reinforcement member, thereby further suppressing deformation of the housing, thereby achieving good contact performance of the contact pins.

[0016] The fifth embodiment of the present invention involves a connector, in which, in the fourth embodiment, the reinforcing component is configured as a separation piece serving as one of the four sides and capable of being separated from the remaining three sides, and the second reinforcing component is configured as a second separation piece serving as one of the four sides and capable of being separated from the remaining three sides, and the separation piece and the second separation piece are located in opposite positions when viewed from the first direction.

[0017] According to the connector of this aspect, the two connecting portions (the connecting portion between the separator and the other portion) which may be weaker than other portions are not arranged only on one side of the middle portion, so the middle portion can be uniformly reinforced throughout the entire circumference.

[0018] A sixth aspect of the present invention is a connector according to the first aspect or the second aspect, wherein the housing is configured so that the base portion is separable from the top portion.

[0019] According to the connector according to this aspect, even if the intermediate portion is narrowed, the reinforcing member can be attached to the intermediate portion.

[0020] The connector involved in the seventh embodiment of the present invention, in any one of the first to sixth embodiments, multiple contact pins are provided from the top end toward the base end with: a contact point portion, which contacts the external module substrate; a press-in portion, which is pressed into the shell; and a mounting portion, which is mounted on the external substrate, and the multiple contact pins include signal pins for signal transmission and grounding pins for grounding, and the portion of the grounding pin that is closer to the mounting portion than the press-in portion is forked into two parts.

[0021] According to the connector according to this embodiment, a so-called double ground is configured in which a ground pin pair is arranged between a signal pin pair (differential pair) and another differential pair, thereby reducing crosstalk between differential pairs.

[0022] The connector involved in the eighth embodiment of the present invention, in any one embodiment from the first embodiment to the seventh embodiment, the external module is a module having a protective wall, which is arranged approximately parallel to the external module substrate and protects the external module substrate, and the top has a recessed portion that matches the shape of the protective wall.

[0023] According to the connector according to this aspect, when the external module is inserted into the connector, the connector can be prevented from interfering with the protective wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a perspective view of the bottom side of the connector into which the optical module is inserted.

[0025] Figure 2 This is a three-dimensional view of the bottom of the optical module.

[0026] Figure 3It is an upper perspective view of the connector according to the first embodiment.

[0027] Figure 4 This is a bottom perspective view of the connector according to the first embodiment.

[0028] Figure 5 yes Figure 3 A cross-sectional view at section line VV is shown.

[0029] Figure 6 This is a front view of the connector according to the first embodiment (frame omitted).

[0030] Figure 7 It is a side view of the connector according to the first embodiment (the frame is omitted).

[0031] Figure 8 It is a plan view of the connector according to the first embodiment (the frame is omitted).

[0032] Figure 9 It is an exploded perspective view of the connector according to the first embodiment.

[0033] Figure 10 It is a top perspective view of the first to fourth stitch groups.

[0034] Figure 11 It is a side view of the first to fourth pin groups.

[0035] Figure 12 It is the front view of the inner shell.

[0036] Figure 13 It is a side view of the inner shell.

[0037] Figure 14 It is a top view of the inner shell.

[0038] Figure 15 This is an exploded perspective view of the inner shell.

[0039] Figure 16 It is a top perspective view of the third and fourth stitch groups.

[0040] Figure 17 It is a front view of the connector according to the first embodiment.

[0041] Figure 18 It is a side view of the connector according to the first embodiment.

[0042] Figure 19 It is an upper perspective view showing a state in which the connector according to the first embodiment is assembled.

[0043] Figure 20It is an upper perspective view showing a state in which the connector according to the first embodiment is assembled.

[0044] Figure 21 This is a partial enlarged view of the vicinity of the connection portion of the frame.

[0045] Figure 22 It is an upper perspective view showing a state in which the connector according to the first embodiment is assembled.

[0046] Figure 23 It is an upper perspective view showing a state in which the connector according to the first embodiment is assembled.

[0047] Figure 24 This is an upper perspective view showing the connector according to the first embodiment after assembly is completed. Figure 25 This is a top perspective view of the first to fourth pin groups (double ground).

[0048] Figure 26 It is a top view of the first to fourth pin groups (double ground).

[0049] Figure 27 This is a top perspective view of the third and fourth pin groups (double ground).

[0050] Figure 28 It is an exploded perspective view of a connector according to a second embodiment.

[0051] Figure 29 It is an upper perspective view of the connector according to the second embodiment.

[0052] Figure 30 yes Figure 29 Sectional view at section line XXX-XXX.

[0053] Description of Reference Numerals

[0054] 10 Optical module (external module) 11 Module substrate (external module substrate) 12 protective wall 20 substrate

[0055] 100 connector 110, 110' outer housing

[0056] 111 base 111a bottom surface

[0057] 111b step surface 112 middle part

[0058] 113 top 113a notch

[0059] 113b recessed portion 116 groove 120 first pin group 121 signal pin (contact pin)

[0060] 121a contact portion 121b press-fit portion 121c Mounting portion 122 Ground pin (contact pin)

[0061] 122a contact portion 122b press-fit portion

[0062] 122c Mounting portion 122x First fork portion

[0063] 122y Second fork 130 Second stitch group

[0064] 131 Signal pin (contact pin) 131a Contact portion

[0065] 131b press-fit portion 131c mounting portion

[0066] 132 ground pin (contact pin) 132a contact portion

[0067] 132b press-fit portion 132c mounting portion

[0068] 132x first bifurcation 132y second bifurcation

[0069] 140 inner shell 146 groove 150 third pin group 151 signal pin (contact pin)

[0070] 151a contact portion 151b press-fit portion 151c Mounting portion 152 Ground pin (contact pin)

[0071] 152a contact portion 152b press-fit portion

[0072] 152c Mounting portion 152x First fork portion

[0073] 152y Second fork 160 Fourth stitch group

[0074] 161 signal pin (contact pin) 161a contact portion

[0075] 161b press-fit portion 161c mounting portion

[0076] 162 ground pin (contact pin) 162a contact portion

[0077] 162b Press-in portion 162c Mounting portion

[0078] 162x first bifurcation 162y second bifurcation

[0079] 170 frame (reinforcement component) 171 main body

[0080] 172 Separator 180 Second frame (second reinforcement member)

[0081] 181 second main body 182 second separation piece

[0082] 190 Frame S1 Space

[0083] S2 Space DETAILED DESCRIPTION

[0084] A connector according to a first embodiment and a second embodiment of the present invention will be described with reference to the drawings.

[0085] In addition, the insertion and removal direction Die, depth direction Dd, width direction Dw and height direction Dh used in the following description are used to assist in understanding the description. Figure 1 and Figure 2 However, the above directions do not limit the actual posture.

[0086] In addition, when the direction of inserting / removing the optical module is set to the insertion / removal direction Die (first direction), the depth direction Dd is consistent with the insertion / removal direction Die, the width direction Dw (second direction) is orthogonal to the depth direction Dd, and the height direction Dh (third direction) is orthogonal to the depth direction Dd and the width direction Dw.

[0087] (First embodiment)

[0088] A connector according to a first embodiment of the present invention will be described with reference to the accompanying drawings.

[0089] (About the basic structure)

[0090] like Figure 1 or Figure 2 As shown, the connector 100 is a receptacle connector into which the module substrate 11 of the optical module 10 is inserted along the insertion and removal direction Die.

[0091] The optical module 10 corresponds to a form factor such as QSFP-DD or OSFP-DD.

[0092] like Figure 3 、 Figure 4 and Figure 5 As shown, the connector 100 includes: an outer shell 110; a first pin group 120 and a second pin group 130, which are held in the outer shell 110; an inner shell 140; a third pin group 150 and a fourth pin group 160, which are held in the inner shell 140; a frame 170 (reinforcement member); and a second frame 180 (second reinforcement member), as shown Figure 5 As shown, the inner housing 140 is configured to be accommodated in the outer housing 110 .

[0093] like Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown, the outer housing 110 includes a base portion 111 , a middle portion 112 , and a top portion 113 , and defines a space S1 defined by an inner wall surface.

[0094] The parts include a base portion 111 , a middle portion 112 , and a top portion 113 arranged in this order from the substrate 20 side along the depth direction Dd, and are integrally formed.

[0095] like Figure 6 、 Figure 7 and Figure 8 As shown, the base portion 111 is a portion having a bottom surface 111 a facing the substrate 20 , and constitutes a base end portion (a portion facing the substrate 20 ) of the outer housing 110 .

[0096] like Figure 7 As shown, the base portion 111 has a stepped structure, and is configured such that the dimension in the height direction Dh decreases as the base portion 111 moves away from the bottom surface 111 a by a certain dimension along the depth direction Dd.

[0097] like Figure 6 、 Figure 7 and Figure 8 As shown, the top portion 113 is formed with a notch 113a for inserting the module substrate 11, and constitutes the top end portion of the outer housing 110. The notch 113a communicates with a space S1 formed inside the outer housing 110.

[0098] The height dimension Dh of the top portion 113 (hereinafter referred to as the “height dimension”) may be smaller than the height dimension of the base portion 111. However, the width dimension Dw of the top portion 113 (hereinafter referred to as the “width dimension”) may be substantially the same as the width dimension of the base portion 111.

[0099] The middle portion 112 is a portion located between the base portion 111 and the top portion 113 in the depth direction Dd.

[0100] Here, the height and width of the middle portion 112 are as described in (1) or (2) below.

[0101] (1) The height of the middle portion 112 is smaller than the height of the base portion 111 and the height of the top portion 113 . Also, the width of the middle portion 112 is smaller than the width of the base portion 111 and the width of the top portion 113 .

[0102] (2) The height of the middle portion 112 is smaller than the height of the base portion 111 and the height of the top portion 113 . Alternatively, the width of the middle portion 112 is smaller than the width of the base portion 111 and the width of the top portion 113 .

[0103] In either case (1) or (2), the outer housing 110 has a shape in which the height dimension and / or the width dimension decreases in the middle portion 112 .

[0104] The dimension of the middle portion 112 in the depth direction Dd (hereinafter referred to as the "depth dimension") is not particularly limited, but in the present embodiment, it is sufficiently smaller than the depth dimensions of the base portion 111 and the depth dimensions of the top portion 113. However, the depth dimension is set only to allow for the installation of the frame 170 and the like described later.

[0105] like Figure 5 and Figure 9 As shown, the outer housing 110 holds a first pin group 120 and a second pin group 130 .

[0106] like Figure 10 and Figure 11 As shown, the first pin group 120 includes a plurality of contact pins arranged in the width direction Dw, and the plurality of contact pins include signal pins 121 and ground pins 122 .

[0107] The second pin group 130 includes a plurality of contact pins arranged in the width direction Dw. The plurality of contact pins include signal pins 131 and ground pins 132.

[0108] The first pin group 120 and the second pin group 130 are arranged to face each other with a predetermined gap therebetween in the height direction Dh.

[0109] like Figure 11 As shown, the signal pin 121 is provided with a contact portion 121a, a press-fit portion 121b, and a mounting portion 121c in order from one end. For the purpose of description below, the end closest to the contact portion 121a is referred to as the "top end," and the end closest to the mounting portion 121c is referred to as the "base end" (the same applies to other contact pins).

[0110] The contact portion 121 a is a portion that contacts an electrode of the module substrate 11 and includes a top portion that protrudes toward the center.

[0111] The press-fit portion 121b is a portion that is pressed into the outer housing 110 and has a plurality of protrusions protruding in the width direction Dw (see FIG. Figure 10 ).

[0112] The mounting portion 121 c is a portion connected to an electrode of the substrate 20 .

[0113] Similar to the signal pin 121 , the ground pin 122 also includes a contact portion 122 a , a press-fit portion 122 b , and a mounting portion 122 c .

[0114] Similar to the signal pin 121 , the signal pin 131 also includes a contact portion 131 a , a press-fit portion 131 b , and a mounting portion 131 c .

[0115] Similar to the signal pin 121 , the ground pin 132 also includes a contact portion 132 a , a press-fit portion 132 b , and a mounting portion 132 c .

[0116] like Figure 5 and Figure 8 As shown, the first pin group 120 and the second pin group 130 constructed as described above are accommodated in the space S1 of the outer shell 110, and the press-in portions 121b, 122b, 131b, and 132b of each contact pin are pressed into a plurality of grooves 116 formed on the inner wall surface of the outer shell 110, thereby being retained in the outer shell 110.

[0117] The plurality of grooves 116 corresponding to each pin group extend along the depth direction Dd and are arranged at predetermined intervals in the width direction Dw. Furthermore, the plurality of grooves 116 corresponding to the first pin group 120 face the plurality of grooves 116 corresponding to the second pin group 130 in the height direction Dh, offset by half a pitch in the width direction Dw.

[0118] like Figure 5 、 Figure 12 、 Figure 13 and Figure 14 As shown, the inner housing 140 has a substantially rectangular parallelepiped shape, and a space S2 defined by an inner wall surface is formed therein.

[0119] like Figure 5 and Figure 15 As shown, the inner housing 140 holds a third pin group 150 and a fourth pin group 160 .

[0120] like Figure 11 and Figure 16 As shown, the third pin group 150 includes a plurality of contact pins arranged in the width direction Dw. The plurality of contact pins include a signal pin 151 and a ground pin 152. The plurality of contact pins are shorter than the contact pins of the first pin group 120 and the second pin group 130.

[0121] The fourth pin group 160 includes a plurality of contact pins arranged in the width direction Dw. The plurality of contact pins includes a signal pin 161 and a ground pin 162. The plurality of contact pins are shorter than the contact pins of the first pin group 120 and the second pin group 130.

[0122] The third pin group 150 and the fourth pin group 160 are arranged to face each other with a predetermined gap therebetween in the height direction Dh.

[0123] like Figure 11 As shown, the signal pin 151 is provided with a contact portion 151 a , a press-fit portion 151 b and a mounting portion 151 c in sequence from one end.

[0124] The contact portion 151 a is a portion that contacts an electrode of the module substrate 11 and includes a top portion that protrudes toward the center.

[0125] The press-fit portion 151b is a portion that is pressed into the inner housing 140 and has a plurality of protrusions protruding in the width direction Dw (see FIG. Figure 16 ).

[0126] The mounting portion 151 c is a portion connected to an electrode of the substrate 20 .

[0127] Similar to the signal pin 151 , the ground pin 152 also includes a contact portion 152 a , a press-fit portion 152 b , and a mounting portion 152 c .

[0128] Similar to the signal pin 151 , the signal pin 161 also includes a contact portion 161 a , a press-fit portion 161 b , and a mounting portion 161 c .

[0129] Similar to the signal pin 151 , the ground pin 162 also includes a contact portion 162 a , a press-fit portion 162 b , and a mounting portion 162 c .

[0130] like Figure 5 and Figure 14 As shown, the third pin group 150 and the fourth pin group 160 constructed as described above are accommodated in the space S2 of the inner shell 140, and the press-in portions 151b, 152b, 161b, and 162b of each contact pin are pressed into a plurality of grooves 146 formed on the inner wall surface of the inner shell 140, thereby being retained in the inner shell 140.

[0131] The plurality of grooves 146 corresponding to each pin group extend along the depth direction Dd and are arranged at predetermined intervals in the width direction Dw. Furthermore, the plurality of grooves 146 corresponding to the third pin group 150 face the plurality of grooves 146 corresponding to the fourth pin group 160 in the height direction Dh, offset by half a pitch in the width direction Dw.

[0132] like Figure 5 As shown, the inner case 140 holding the third and fourth stitch groups 150 and 160 is accommodated in the space S1 formed in the outer case 110. Specifically, the inner case 140 is accommodated in the space S1 sandwiched between the first and second stitch groups 120 and 130 in the height direction Dh.

[0133] At this time, the contact portions 121a and 131a, as well as the contact portions 122a and 132a facing each other, are located closer to the notch 113a in the depth direction Dd than the contact portions 151a and 161a, as well as the contact portions 152a and 162a facing each other. Furthermore, the mounting portions 121c, 122c, 131c, and 132c are located at the same positions as the mounting portions 151c, 152c, 161c, and 162c in the depth direction Dd.

[0134] like Figure 3 、 Figure 4 、 Figure 5 、 Figure 17 and Figure 18 As shown in FIG. 1 , the frame 170 and the second frame 180 are attached to the connector 100 configured as described above.

[0135] The frame 170 is an annular plate member that surrounds the middle portion 112 of the outer shell 110 and is in contact with the entire circumference of the middle portion 112. In the present embodiment, since the cross-section of the middle portion 112 (the cross-section taken along a plane perpendicular to the depth direction Dd) is a quadrilateral, the frame 170 is an annular plate member having four sides.

[0136] The frame 170 is preferably more rigid than the outer case 110 and is made of metal, for example.

[0137] like Figure 19 、 Figure 20 and Figure 21 As shown, the frame 170 includes two parts, such as a main body 171 and a separator 172 .

[0138] The main body 171 is a portion constituting three of the four sides and is substantially U-shaped, while the separator 172 is a portion constituting the remaining one side.

[0139] The frame 170 is formed into a four-sided ring shape by connecting both ends of the separator 172 to both ends of the main body 171. Examples of methods for connecting the separator 172 to the main body 171 include fitting, press-fitting, and riveting.

[0140] like Figure 23 and Figure 24 As shown, the second frame 180 is an annular plate having four sides and adopts the same structure as the frame 170 .

[0141] That is, the second frame 180 is an annular plate including a second body 181 and a second separation piece 182 .

[0142] The frame 170 configured as described above is attached to the intermediate portion 112 of the outer housing 110 as described below.

[0143] First, if Figure 19 and Figure 20 As shown, the main body 171 is inserted into the middle portion 112 in such a manner that the middle portion 112 enters between two opposing sides of the U-shaped main body 171 .

[0144] Then, if Figure 20 、 Figure 21 and Figure 22 As shown, the separator 172 is connected to the main body 171. Thus, the frame 170 is attached to the middle portion 112 in a manner overlapping the stepped surface 111b of the base 111. Here, the stepped surface 111b is a surface of the base 111 located around the middle portion 112 and perpendicular to the depth direction Dd, and is also a surface parallel to the bottom surface 111a.

[0145] Then, if Figure 23 and Figure 24 As shown, the second body 181 is inserted into the middle portion 112 so that the middle portion 112 enters between two opposing sides of the U-shaped second body 181 and contacts the upper surface of the frame 170 .

[0146] Then, if Figure 24 As shown, the second separator 182 is connected to the second body 181. Thus, the second frame 180 is mounted on the middle portion 112 in a manner overlapping with the frame 170.

[0147] At this time, the dimensions of the frame 170 in the height direction Dh and the width direction Dw are approximately the same as the dimensions of the step surface 111 b of the base 111 in the height direction Dh and the width direction Dw.

[0148] The size of the second frame 180 is also the same.

[0149] The connector 100 configured as described above provides the following effects.

[0150] like Figure 5 As shown, when the module substrate 11 is inserted into the notch 113a, the module substrate 11 enters between the first pin group 120 and the second pin group 130. Then, according to the thickness of the module substrate 11, the specified portion of the contact pin is deformed in a direction in which the contact portions 121a, 122a and the contact portions 131a, 132a are separated from each other in the height direction Dh. In addition, the specified portion of the contact pin is a portion closer to the top than the press-fit portions 121b, 122b, 131b, 132b. Due to the deformation of the contact pin, the outward force (the force along the height direction Dh, refer to Figure 5The arrows in FIG. 1 act on the inner wall surface of the outer housing 110 that contacts the contact pins. In this case, if there is no special reinforcement, the outer housing 110 may be deformed in a manner that bends outward.

[0151] Therefore, if Figure 24 As shown, by attaching frame 170 and second frame 180 to intermediate portion 112 of outer housing 110, outer housing 110 is reinforced, thereby suppressing deformation of outer housing 110. Furthermore, since deformation of outer housing 110 is suppressed, the contact pressure of the contact pins against the electrodes of module substrate 11 can be appropriately maintained. Furthermore, excellent signal transmission characteristics can be achieved even in high-frequency ranges.

[0152] Furthermore, by thinning the middle portion 112 for attaching the frame 170 or the second frame 180, the inner dimensions of the frame 170 or the second frame 180 can be increased.

[0153] Furthermore, although it is possible to increase the rigidity by increasing the outer dimensions of frame 170 or second frame 180, this would result in an increase in the size of connector 100. Furthermore, if the dimensions of various components of connector 100 are already determined in the specifications, there are cases where increasing the outer dimensions of frame 170 or second frame 180 is not possible.

[0154] In addition, even if the middle portion 112 of the outer shell 110 in which the base 111, the middle portion 112 and the top 113 are integrated is made thinner, since the frame 170 is constructed in a separable manner, the frame 170 can be installed on the middle portion 112 by inserting the main body 171 into the middle portion 112 and then connecting the separation piece 172 to the main body 171.

[0155] The same applies to the second frame 180 .

[0156] Here, the second frame 180 is not an essential structure, and the connector 100 may be provided with only the frame 170 as a reinforcement member.

[0157] In addition, other frames (third frame, fourth frame, etc.) having the same structure as the frame 170 or the second frame 180 may be attached to the connector 100 .

[0158] (Regarding the positions of the separator and the second separator)

[0159] It is preferable that the second separator 182 is arranged at a position (side) facing the separator 172 when viewed from the depth direction Dd. Figure 24 In this case, the separator 172 and the second separator 182 face each other in the width direction Dw.

[0160] With this arrangement, the separator 172 overlaps with the second main body 181 and the second separator 182 overlaps with the main body 171 , but the separator 172 and the second separator 182 do not overlap.

[0161] Thus, the connection portion of the main body 171 and the separator 172, which may be weaker than other portions, and the connection portion of the second main body 181 and the second separator 182, which may be weaker than other portions, are arranged in a staggered manner (i.e., the two connection portions are not arranged only on one side of the middle portion 112), thereby enabling the middle portion 112 to be evenly reinforced throughout the entire circumference.

[0162] (About the forked structure of the ground pin)

[0163] like Figure 25 and Figure 26 As shown, the portion of the ground pin 122 included in the first pin group 120 that is closer to the base end than the press-in portion 122b can also be forked into a first fork portion 122x and a second fork portion 122y, and the portion of the ground pin 132 included in the second pin group 130 that is closer to the base end than the press-in portion 132b can be forked into a first fork portion 132x and a second fork portion 132y.

[0164] In this way, by bifurcating the ground pin, the first fork portion 122x and the second fork portion 122y, as well as the first fork portion 132x and the second fork portion 132y can be regarded as one ground pin, and the contact pins in the area closer to the base end than the press-in portion 121b and the press-in portion 131b are equivalent to being arranged in the manner of GGSSGGSSGG-...-SSGG.

[0165] Here, "G" is the ground pin and "S" is the signal pin.

[0166] Thus, the first pin group 120 and the second pin group 130 form a so-called double ground in which a ground pin pair is arranged between a signal pin pair (differential pair) and another differential pair, thereby reducing crosstalk between differential pairs.

[0167] In addition, if Figure 27 As shown, the ground pin 152 included in the third pin group 150 may be bifurcated at a portion closer to the base end than the press-fit portion 152b into a first bifurcated portion 152x and a second bifurcated portion 152y, and the ground pin 162 included in the fourth pin group 160 may be bifurcated at a portion closer to the base end than the press-fit portion 162b into a first bifurcated portion 162x and a second bifurcated portion 162y. The reasons for this are the same as those for the first pin group 120 and the second pin group 130.

[0168] In addition, only the pair of the first and second pin groups 120 and 130 may be double-grounded as described above, only the pair of the third and fourth pin groups 150 and 160 may be double-grounded as described above, or all the pin groups from the first to the fourth pin groups 120 to 160 may be double-grounded as described above.

[0169] (Regarding the recessed portion of the connector)

[0170] like Figure 2 As shown, the light module 10 includes a protective wall 12 .

[0171] The protection wall 12 is a plate-shaped portion that protects the lower surface of the module substrate 11 and is provided substantially parallel to the module substrate 11 .

[0172] like Figure 1 and Figure 3 As shown, a recessed portion 113 b is formed on the top 113 of the connector 100 .

[0173] The recessed portion 113b is a portion that is recessed (thinned) so as to prevent the connector 100 from interfering with the protective wall 12 when the optical module 10 is inserted into the connector 100. Therefore, the shape of the recessed portion 113b matches the shape of the protective wall 12.

[0174] (Second embodiment)

[0175] A connector according to a second embodiment of the present invention will be described with reference to the accompanying drawings.

[0176] The present embodiment differs from the first embodiment in the configuration of the outer housing and the frame, and the other structures are the same. Therefore, the outer housing and the frame will be mainly described here.

[0177] like Figure 28 、 Figure 29 and Figure 30 As shown, the outer housing 110 ′ is configured such that a base portion 111 and a top portion 113 are separable.

[0178] Here, the middle portion 112 may be integrally formed with the upper portion of the base 111 or with the lower portion of the top 113. Alternatively, a portion of the middle portion 112 may be integrally formed with the upper portion of the base 111, and the remaining portion of the middle portion 112 may be integrally formed with the lower portion of the top 113.

[0179] The frame 190 is a ring-shaped plate having four sides, similarly to the frame 170 and the like.

[0180] However, the frame 190 is not configured to be separable, but is formed by integrating four sides.

[0181] The frame 190 configured as described above is attached to the outer housing 110 ′ as follows.

[0182] First, the frame 190 is disposed between the separated base 111 and top 113 .

[0183] Next, the top portion 113 is attached to the base portion 111. At this time, the middle portion 112 is fitted into the inner side of the frame 190. Thus, the frame 190 is attached to the middle portion 112 in a manner overlapping the stepped surface 111b of the base portion 111.

[0184] The connector 100 configured as described above provides the following effects.

[0185] By attaching frame 190 to central portion 112 of outer housing 110', outer housing 110' is reinforced, thereby suppressing deformation of outer housing 110'. Furthermore, since deformation of outer housing 110' is suppressed, the contact pressure of the contact pins against the electrodes of module substrate 11 can be appropriately maintained. Furthermore, excellent signal transmission characteristics can be achieved even in high-frequency ranges.

[0186] In addition, by making the middle portion 112 for mounting the frame 190 thinner, the inner dimension of the frame 190 can be increased.

[0187] Thereby, the rigidity (section modulus) of the frame 190 can be improved.

[0188] Alternatively, the rigidity can be increased by increasing the outer dimensions of frame 190, but this results in an increase in the size of connector 100. Furthermore, if the dimensions of each component of connector 100 are already determined in the specifications, the outer dimensions of frame 190 cannot be increased.

[0189] In addition, since the outer shell 110' is constructed in a manner that the base 111 and the top 113 can be separated, even if the middle part 112 is made thinner, the frame 190 can be arranged between the separated base 111 and the top 113. By embedding the middle part 112 into the inner side of the frame 190 when the top 113 is installed on the base 111, the frame 190 can be installed on the middle part 112.

Claims

1. A connector, which is mounted on an external substrate and into which an external module substrate of an external module is inserted along a first direction, characterized in that: A direction perpendicular to the first direction is set as a second direction, and a direction perpendicular to the first direction and the second direction is set as a third direction, The connector comprises: a plurality of contact pins contacting the external module substrate; a housing holding the plurality of contact pins; and a reinforcement member, which is mounted on the housing, The housing is provided with a base portion, a middle portion, and a top portion from the side of the external substrate along the first direction. The base has a bottom surface facing the external substrate, The top portion has a notch for inserting the external module substrate. The dimension of the middle portion in the second direction and / or the dimension in the third direction is smaller than that of the base portion and the top portion. The reinforcing member is an annular plate having four sides surrounding the middle portion.

2. The connector according to claim 1, wherein: The top portion and the base portion have substantially the same dimensions in the second direction, The middle portion has a smaller dimension than the base portion and the top portion at least in the second direction.

3. The connector according to claim 1, wherein: The reinforcing member is configured so that at least one of the four sides can be separated from the remaining sides.

4. The connector according to claim 3, wherein: include: a second reinforcement member, which is mounted on the housing, The second reinforcing member is an annular plate having four sides surrounding the intermediate portion and overlapping with the reinforcing member, and at least one of the four sides is separable from the remaining sides.

5. The connector according to claim 4, wherein: The reinforcing member is configured so that a separation piece of one of the four sides can be separated from the remaining three sides. The second reinforcing member is configured such that the second separable piece, which is one of the four sides, can be separated from the remaining three sides. The separator and the second separator are located opposite to each other when viewed from the first direction.

6. The connector according to claim 1, wherein: The housing is configured such that the base portion is separable from the top portion.

7. The connector according to claim 1, wherein: The plurality of contact pins are provided with: a contact point portion that contacts the external module substrate; a press-fit portion that is pressed into the housing; and a mounting portion that is mounted on the external substrate, from the top end toward the base end. The plurality of contact pins include signal pins for signal transmission and ground pins for grounding, A portion of the ground pin closer to the mounting portion than the press-fit portion is bifurcated into two portions.

8. The connector according to claim 1, wherein: The external module is a module having a protective wall that is provided substantially parallel to the external module substrate and protects the external module substrate. The top portion has a recessed portion matching the shape of the protection wall.

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