WO2018235633A1 - Receptacle, plug, and connection device - Google Patents

Abstract

The present invention addresses the problem of providing a receptacle, a plug, and a connection device with which transmission capacity can be increased. A receptacle (1) is provided with: a receptacle housing (10); an electric connection terminal; an optical connection terminal (14); and a positioning structure (15). The receptacle housing (10) is capable of having a plug housing (20) of a plug (2) inserted therein. The electric connection terminal is retained on the receptacle housing (10) and is connected to an electric contact of the plug (2). The optical connection terminal (14) is for optical transmission. The optical connection terminal (14) is retained on the receptacle housing (10), and opposes the plug (2) in an insertion direction (I1) of the plug (2). The positioning structure (15) comprises a part of the receptacle housing (10), and determines the relative position of the receptacle housing (10) with respect to the plug (2) in a plane orthogonal to the insertion direction (I1).

Description

Receptacle, plug and connection device

The present invention relates generally to receptacles, plugs, and connecting devices, and more particularly to a receptacle having an electrical connection terminal, a plug having an electrical contact, and a connecting device having a receptacle and a plug.

Conventionally, a connector (connecting device) having a receptacle and a plug is known (Patent Document 1).

In the connector described in Patent Document 1, the plug conforms to the USB standard.

Greater transmission capacity may be required for receptacles, plugs and connection devices.

JP 2007-59351 A

An object of the present invention is to provide a receptacle, a plug and a connection device capable of increasing transmission capacity.

The receptacle according to one aspect of the present invention includes a receptacle housing, an electrical connection terminal, an optical connection terminal, and a positioning structure. The receptacle housing can be plugged with the plug housing of the plug. The electrical connection terminal is held by the receptacle housing and connected to the electrical contact of the plug. The optical connection terminal is for light transmission. The optical connection terminal is held by the receptacle housing and faces the plug in the plug insertion direction. The positioning structure comprises a portion of the receptacle housing and provides relative positioning of the receptacle housing to the plug in a plane orthogonal to the insertion direction.

The plug according to one aspect of the present invention includes a plug housing, an electrical contact, an optical connection terminal, and a positioning structure. The plug housing can be inserted into the receptacle housing of the receptacle. The electrical contact is held by the plug housing and connected to the electrical connection terminal of the receptacle. The optical connection terminal is for light transmission. The optical connection terminal is held by the plug housing and faces the receptacle in the insertion direction into the receptacle. The positioning structure comprises a portion of the plug housing and provides relative positioning of the plug housing relative to the receptacle in a plane orthogonal to the insertion direction.

The connection device according to one aspect of the present invention includes the above receptacle and the above plug.

FIG. 1A is a front view of a receptacle according to an embodiment of the present invention. FIG. 1B is a perspective view of the same receptacle as viewed from the front side. FIG. 1C is a perspective view of the same receptacle as viewed from the back side. FIG. 2 is an exploded perspective view of the above receptacle. FIG. 3A is a front view of a plug according to an embodiment of the present invention. FIG. 3B is a perspective view of the same plug as viewed from above. FIG. 3C is a perspective view of the same plug as viewed from below. FIG. 4A is a perspective view of a connection device according to an embodiment of the present invention. FIG. 4B is a cross-sectional view of the connection device of the same. FIG. 5 is a longitudinal sectional view corresponding to the longitudinal section taken along line YY of FIG. 1A, showing the connection device of the above. FIG. 6A is another longitudinal cross-sectional view of the above connection device. FIG. 6B is another longitudinal cross-sectional view of the above connection device. FIG. 7 is a perspective view of a conventional plug inserted into a receptacle according to an embodiment of the present invention. FIG. 8 is a longitudinal sectional view of a conventional plug inserted into a receptacle according to an embodiment of the present invention. FIG. 9 is a cross-sectional view of a conventional plug inserted into a receptacle according to an embodiment of the present invention. FIG. 10A is a perspective view of the conventional plug as viewed from above. FIG. 10B is a perspective view of the same plug as viewed from below. FIG. 11A is a cross-sectional view of a plug according to an embodiment of the present invention inserted into a conventional receptacle. FIG. 11B is a longitudinal cross-sectional view of the plug according to the embodiment of the present invention inserted into a conventional receptacle. FIG. 12 is a longitudinal cross-sectional view of a state in which a conventional plug is inserted into a receptacle according to a first modification of the embodiment of the present invention. FIG. 13 is a longitudinal cross-sectional view of a state in which the plug of Modification 1 of the plug according to the embodiment of the present invention is inserted into the receptacle according to Modification 2 of the embodiment of the present invention. FIG. 14A is a front view of a receptacle according to Modification 3 of one embodiment of the present invention. FIG. 14B is a perspective view of the above receptacle. FIG. 15 is a cross-sectional view of the conventional plug inserted into the above receptacle. FIG. 16A is a perspective view of a plug of Modification 2 of the plug according to one embodiment of the present invention. FIG. 16B is a front view of the plug of Modification 2; FIG. 17 is a cross-sectional view of the plug of the modification 2 inserted into a conventional receptacle. FIG. 18 is a cross-sectional view of the plug according to the third modification of the plug of the present invention inserted into the receptacle of the fourth modification of the first embodiment of the present invention.

(Embodiment)
Hereinafter, the receptacle 1, the plug 2 and the connection device 3 of the present embodiment will be described based on FIGS. 1A to 9.

The connection device 3 (see FIGS. 4A-6B) includes a receptacle 1 and a plug 2. The connection device 3 is used by connecting the receptacle 1 and the plug 2. "Connecting the receptacle 1 and the plug 2" means connecting the receptacle 1 and the plug 2 electrically, optically and mechanically.

The receptacle 1, the plug 2, and the connection device 3 are configured to satisfy, for example, the HDMI (High Definition Multimedia Interface) standard. Here, the receptacle 1 comprises an electrical connection terminal 13 for the transmission of electrical signals, and the plug 2 comprises an electrical contact 23 for the transmission of electrical signals. Therefore, the receptacle 1, the plug 2 and the connection device 3 can connect the transmission path of the electric signal conforming to the HDMI (registered trademark) standard.

Further, since the receptacle 1 is provided with the optical connection terminal 14 for light transmission, and the plug 2 is provided with the light connection terminal 24 for light transmission, the receptacle 1, the plug 2 and the connection device 3 are transmission paths of electric signals. As well as connecting the optical signal transmission paths, it is possible to connect.

The receptacle 1 (see FIGS. 1A, 1 B and 5) has a socket 18 of the plug housing 20 of the plug 2 (see FIGS. 3A-6B) and has a space 17 into which the plug housing 20 of the plug 2 is inserted.

As shown in FIGS. 1A to 2 and 4A to 6B, the receptacle 1 has a receptacle housing 10, a plurality of (here, 19) electrical connection terminals 13, and a plurality of (here 4) optical connection terminals 14 And a positioning structure 15. The receptacle housing 10 can be plugged with the plug housing 20 of the plug 2. The plurality of electrical connection terminals 13 and the plurality of optical connection terminals 14 are held by the receptacle housing 10.

The receptacle housing 10 includes a receptacle body 11 and a receptacle shell 12. The receptacle body 11 holds a plurality of electrical connection terminals 13 and a plurality of optical connection terminals 14. The receptacle shell 12 has a tubular portion 120 surrounding the receptacle body 11. The cylindrical portion 120, together with the receptacle body 11, forms a space 17 into which the plug housing 20 of the plug 2 is inserted. In the receptacle 1, the opening of the second end 120b of the opening of the first end 120a and the opening of the second end 120b of the cylindrical portion 120 in the insertion direction I1 of the plug 2 is blocked by the base 111 of the receptacle body 11. The opening of the first end 120 a is the insertion port 18 of the plug 2.

The receptacle body 11 is formed of a synthetic resin and has electrical insulation. The receptacle body 11 is a resin molded product.

The receptacle body 11 has a base 111 coupled to the cylindrical body 120, and a flat terminal block 112 projecting from the base 111 in a direction opposite to the insertion direction I1 of the plug 2. Hereinafter, in a plane perpendicular to the plugging direction I1 of the plug 2, the direction along the thickness direction of the terminal block 112 is referred to as a first direction D1, and the first plane in the plane orthogonal to the plugging direction I1. The direction orthogonal to the direction D1 will be described as a second direction D2.

The terminal block 112 is disposed inside the cylindrical portion 120, and is separated from the cylindrical portion 120 in any of the first direction D1 and the second direction D2 (see FIG. 1A). The terminal block 112 has a first surface 113 and a second surface 114 opposite to each other in the first direction D1.

The plurality of electrical connection terminals 13 are held by the receptacle body 11. In the plurality of electrical connection terminals 13, the plurality of electrical contacts 23 of the plug 2 (see FIGS. 3A to 6B) are connected in a one-to-one manner. Each of the plurality of electrical connection terminals 13 has conductivity. Each of the plurality of electrical connection terminals 13 is formed of a strip-shaped metal plate.

A plurality of (19) electrical connection terminals 13 are provided on the first surface 113 side of the terminal block 112 at ten first electrical connection terminals 13a arranged at regular intervals in the second direction D2, and the second surface And the nineteen second electrical connection terminals 13 b arranged at regular intervals in the second direction D 2 on the side 114. The plurality of electrical connection terminals 13 are arranged so as not to overlap in the first direction D1. When viewed from the first direction D1, in the plurality of electrical connection terminals 13, the plurality of first electrical connection terminals 13a and the plurality of second electrical connection terminals 13b are alternately arranged.

Each of the plurality of electrical connection terminals 13 has a contact portion 131, an embedded portion 133, a leg portion 134, and a terminal portion 132, as shown in FIGS. 2, 6A and 6B.

The contact portion 131 is disposed to overlap the terminal block portion 112 of the receptacle body 11 in the first direction D1 so that the thickness direction thereof is aligned with the first direction D1. The contact portion 131 is linear as viewed from the second direction D2.

One end of the embedded portion 133 is connected to the contact portion 131, and the embedded portion 133 is embedded in the base 111 of the receptacle body 11. The leg portion 134 is disposed on the opposite side of the insertion port 18 in the base portion 111 so that the longitudinal direction is aligned with the first direction D1, and one end of the cylindrical portion 120 on the first side wall 121 side in the first direction D1. Are connected to the other end of the embedded portion 133. The terminal portion 132 protrudes from the other end of the leg portion 134 to the opposite side to the base 111. Each terminal portion 132 is electrically connected to the conductor of the circuit board by soldering or the like, for example, when the receptacle 1 is attached to a circuit board such as a printed wiring board and used.

When the plug 2 is inserted into the receptacle 1, the plurality of contact portions 131 correspond to one-to-one electrical contacts 23 among the plurality of electrical contacts 23 of the plug 2 (electrical contacts 23 overlapping in the first direction D1) It is electrically connected by contacting it.

The receptacle shell 12 has conductivity. The receptacle shell 12 is made of, for example, metal. The tubular portion 120 has a first side wall 121, a second side wall 122, a third side wall 123, and a fourth side wall 124, as shown in FIGS. 1A to 1C.

The first side wall 121 faces the first surface 113 of the terminal block 112 in the first direction D1. The second side wall 122 faces the second surface 114 of the terminal block 112 in the first direction D1. The third side wall 123 connects one end (the left end in FIG. 1A) of the first side wall 121 and the second side wall 122 in the second direction D2. The fourth side wall 124 connects the other ends (the right ends in FIG. 1A) of the first side wall 121 and the second side wall 122 in the second direction D2. Although the distance between the third side wall 123 and the fourth side wall 124 in the second direction D2 is substantially the same on the side of the first side wall 121 in the first direction D1, the second side 122 on the side of the second side wall 122 in the first direction D1 As the side wall 122 is approached, it becomes short gradually. The length of the second side wall 122 in the insertion direction I1 is shorter than the length of the first side wall 121 (see FIG. 5). At the second end 120b of the cylindrical portion 120, the claws 1231 and 1241 (see FIG. 1C) for fixing the receptacle body 11 to the receptacle shell 12 project in the direction toward each other on the third side wall 123 and the fourth side wall 124 respectively. ing.

On the first side wall 121, two plate springs 128 (hereinafter, referred to as first plate springs 128) are formed side by side in the second direction D2. Each of the two first plate springs 128 has a hook 16 (hereinafter also referred to as a first hook 16) formed at the tip opposite to the insertion direction I1. Each of the two first hooking portions 16 is formed in a U-like shape that protrudes toward the first surface 113 side of the terminal block 112 when viewed in the second direction D2. The two first hooks 16 are formed at positions corresponding to the two holding holes 26 (of the plug housing 20) of the plug 2 (see FIGS. 3B, 6A and 6B). When the plug 2 is inserted into the receptacle 1, the two first hooking portions 16 are hooked into the corresponding holding holes 26 in the two holding holes 26 of the plug 2.

On the second side wall 122, two plate springs 129 (hereinafter, referred to as second plate springs 129) are formed side by side in the second direction D2. Each of the two second plate springs 129 has a hook 16a (hereinafter also referred to as a second hook 16a) formed at the tip opposite to the insertion direction I1. Each of the two second hooking portions 16 a is formed in a U-like shape projecting toward the second surface 114 side of the terminal block 112 as viewed in the second direction D 2. The two second hooking portions 16a are in positions corresponding to the two holding holes 26a (see FIG. 8) of the plug 2a (see FIGS. 7 to 10B) having a different insertion length from the plug 2 with respect to the plug 2 It is formed. When the plug 2a is inserted into the receptacle 1, the two second hooking portions 16a are hooked in the corresponding holding holes 26a in the two holding holes 26a (of the plug housing 20a) of the plug 2a. By the way, in the HDMI (registered trademark) standard, the specifications of the HDMI (registered trademark) cable and the HDMI (registered trademark) connector are defined, and even if the version of the applied standard is different, for example, the shape of the type A connector Since the same does not change, compatibility is required such that connection is possible between an old AV device and a new AV device by an HDMI (registered trademark) cable. The plug 2a described above is a plug that meets the HDMI (registered trademark) standard and does not include the optical connection terminal 24 (see FIG. 3A). For example, the plug 2 a is configured to meet the standard of “HDMI Specification Ver. 1.4 a” (“HDMI” is a registered trademark), and has compatibility with the plug 2. Regarding the plug 2a, the same components as those of the plug 2 of the embodiment are denoted by the same reference numerals, and the description thereof is omitted. The receptacle 1 of this embodiment can be connected to either the plug 2 or the plug 2a. The connection device 3a shown in FIGS. 7-9 includes a receptacle 1 and a plug 2a.

The receptacle shell 12 has two leg pieces 125 and 126 protruding in the first direction D1 from the second side wall 122 side in each of the third side wall 123 and the fourth side wall 124, and the first end 120a of the cylindrical body portion 120. And a bracket 127 projecting from the first side wall 121 along the first direction D1. Each leg piece 125 and each leg piece 126 are inserted into the mounting holes of the circuit board and soldered to the ground conductor of the circuit board, for example, when the receptacle 1 is used by attaching it to the circuit board such as a printed wiring board It is electrically connected by being joined by the like.

The optical connection terminal 14 is for light transmission. The optical connection terminal 14 is held by the receptacle housing 10 and faces the plug 2 in the plugging direction I1 of the plug 2. Here, in the optical connection terminal 14, the end surface 140 (see FIG. 4B) facing the plug 2 is exposed.

The optical connection terminal 14 has an optical fiber 141 and a lens 142 as shown in FIGS. 4B and 5.

The optical fiber 141 is, for example, a glass optical fiber (GOF). The diameter (outer diameter) of the optical fiber 141 is, for example, about 0.125 mm.

The lens 142 is, for example, an aspheric lens. The lens 142 is disposed to face the end face on the insertion port 18 side in the optical axis direction of the optical fiber 141. In the lens 142, the second lens surface opposite to the first lens surface facing the end surface of the optical fiber 141 is exposed. That is, in the optical connection terminal 14, the second lens surface of the lens 142 constitutes the end surface 140 facing the plug 2.

The receptacle 1 further comprises a reinforcing pipe 151 covering the optical fiber 141. The reinforcing pipe 151 is a ferrule. The material of the reinforcing pipe 151 is, for example, zirconia. The diameter (outer diameter) of the reinforcing pipe 151 is, for example, about 0.6 mm. In the receptacle 1, by providing the reinforcing pipe 151, it is possible to reduce the possibility that the optical fiber 141 is broken when the optical fiber 141 is attached to the receptacle body 11.

The positioning structure 15 is a part of the receptacle housing 10 and performs relative positioning of the receptacle housing 10 with respect to the plug 2 in a plane perpendicular to the insertion direction I1. Thereby, in the receptacle 1, it is possible to improve relative positional accuracy between the optical connection terminal 14 of the receptacle 1 and the optical connection terminal 24 of the plug 2. Therefore, in the receptacle 1, the transmission capacity can be further increased. The dimensional tolerance of the cylindrical portion 120 of the receptacle 1 in the plane orthogonal to the insertion direction I1 and the dimensional tolerance of the insertion portion 27 (see FIGS. 3B, 3C, 4B to 6B) of the plug 2 are HDMI (registered trademark), for example. ) It has been decided to meet the standard. In other words, according to the HDMI (registered trademark) standard, it is only necessary to insert the plug 2 into the receptacle 1 to ensure the electrical connection between the electrical connection terminal 13 and the electrical contact 23. Lattering is likely to occur in each of the first direction D1 and the second direction D2. On the other hand, in the positioning structure 15, in order to increase the accuracy of optical axis alignment between the optical connection terminal 14 and the optical connection terminal 24, the dimensional tolerance in the plane orthogonal to the insertion direction I1 is the cylindrical portion 120 and the insertion It is determined to be smaller than the dimensional tolerance of each of the parts 27.

The positioning structure 15 (see FIGS. 1A and 5) has an uneven shape formed on the butt surface 100 of the receptacle housing 10 with the plug housing 20 in the insertion direction I1. In the receptacle 1, the positioning structure 15 is configured to perform positioning in both the first direction D1 and the second direction D2 orthogonal to each other in a plane orthogonal to the insertion direction I1. In the receptacle 1, the positioning structure 15 is a recess 150. The depth L11 (see FIG. 5) of the recess 150 is, for example, about 1 mm. The depth L11 of the recess 150 is the same as the protrusion length L12 (see FIGS. 3B and 3C) of the protrusion 250 of the plug 2.

The butt surface 100 of the receptacle housing 10 with the plug housing 20 includes a first butt surface 101, a second butt surface 102, and a third butt surface 103, as shown in FIGS. The first butt surface 101 is near the boundary between the second side wall 122 and the third side wall 123 of the cylindrical portion 120 in the surface on the insertion port 18 side of the base 111, and between the second side wall 122 and the fourth side wall 124. It is located near the border. The second butting surface 102 is the vicinity of the boundary between the first side wall 121 and the third side wall 123 of the cylindrical portion 120 in the surface on the insertion port 18 side of the base 111 and the first side wall 121 and the fourth side wall 124. It is located near the border. The second connection surface 102 is provided with an optical connection terminal 14. Here, the end face 140 (see FIG. 4B) of the optical connection terminal 14 is located on the opposite side of the insertion port 18 with reference to the second butting surface 102. The third abutting surface 103 is the bottom of the recess 150.

The receptacle 1 includes a plurality of (here, two) positioning structures 15. That is, the receptacle 1 includes a plurality of (here, two) recesses 150. In the receptacle 1, a plurality of positioning structures 15 are present in the receptacle body 11 included in the receptacle housing 10. When viewed from the insertion direction I1, one recess 150 (the upper recess 150 in FIG. 1A) of the plurality of recesses 150 is the first side wall 121 of the cylindrical portion 120, the two first abutting surfaces 101, and the terminal block It is surrounded by a part 112. Another concave portion 150 (lower concave portion 150 in FIG. 1A) includes the second side wall 122, the third side wall 123, the fourth side wall 124, the terminal block portion 112, and the two second abutting surfaces 102 of the cylindrical portion 120. And two first abutting surfaces 101. As shown in FIG. 5, the distance between the insertion port 18 and the first abutting surface 101 is L1, the distance between the insertion port 18 and the second abutting surface 102 is L2, and the insertion port 18 and the third abutting surface 103 In the receptacle 1, L1 = L2 <L3 where L3 is L2. In the receptacle 1, in the insertion direction I1, the insertion port 18 of the plug 2 in the receptacle housing 10, the first butting surface 101 and the second butting surface 102, and the third butting surface 103 are arranged in this order. Here, “arranged in this order” does not have to be on a straight line parallel to the insertion direction I1 but means that it may be in this order.

The plug 2 having the optical connection terminal 24 (see FIGS. 3A to 6B) has a positioning structure 25 corresponding to the positioning structure 15 of the receptacle 1 with the plug 2a having the optical connection terminal 24 (see FIGS. 7 to 10B). It differs in the point to prepare. More specifically, the plug 2 is different from the plug 2 a in that the plug 2 includes the optical connection terminal 24 and the convex portion 250 fitted in the concave portion 150 of the receptacle 1.

As shown in FIGS. 3A to 6B, the plug 2 includes a plug housing 20, a plurality of (here, 19) electrical contacts 23, a plurality of (here, 4) optical connection terminals 24, and a positioning structure. And 25.

The plug housing 20 can be inserted into the receptacle housing 10 of the receptacle 1. The plurality of electrical contacts 23 and the plurality of optical connection terminals 24 are held by the plug housing 20.

The plug housing 20 comprises a plug body 21 and a plug shell 22. The plug body 21 holds a plurality of electrical contacts 23 and a plurality of optical connection terminals 24. The plug shell 22 has a tubular portion 220 surrounding the plug body 21. The cylindrical portion 220 forms the insertion portion 27 which is inserted into the space 17 of the receptacle 1 together with the projecting portion 212 which protrudes in the insertion direction I1 from the rectangular parallelepiped main body portion 211 in the plug body 21. In the projection 212, the dimensions of the first direction D1 and the second direction D2 orthogonal to each other in the plane orthogonal to the insertion direction I1 are greater than the dimensions of the first direction D1 and the second direction D2 of the main body 211. small. The outer peripheral shape of the insertion portion 27 in the plane orthogonal to the insertion direction I1 is substantially the same as the opening shape of the insertion port 18 of the receptacle 1.

The plug body 21 is formed of a synthetic resin and has electrical insulation. The insertion portion 27 of the plug body 21 is formed with a recess 28 into which the terminal block portion 112 of the receptacle 1 and the plurality of contact portions 131 enter when the insertion portion 27 is inserted into the receptacle 1.

The protrusion 212 has a first surface 281 and a second surface 282 facing each other across the internal space of the recess 28 in the first direction D1.

The plurality of (19) electrical contacts 23 are connected to the plurality of electrical connection terminals 13 of the receptacle 1 in a one-to-one manner. A plurality of (19) electrical contacts 23 are arranged on the first surface 281 side in the first direction D1 at ten regular intervals in the second direction D2 and at a second surface, and the second surface It has the nine 2nd electric contacts 23b arranged in a line at fixed intervals in the 2nd direction D2 at the 282 side. The plurality of electrical contacts 23 are arranged so as not to overlap in the first direction D1. When viewed from the first direction D1, in the plurality of electrical contacts 23, the plurality of first electrical contacts 23a and the plurality of second electrical contacts 23b are alternately arranged. Each of the plurality of electrical contacts 23 has conductivity. Each of the plurality of electrical contacts 23 is formed of a strip-shaped metal plate. The first electric contact 23a protrudes to the second surface 282 in the first direction D1 at one end on the receptacle 1 side (in other words, at the tip in the insertion direction I1 to the receptacle 1), and corresponds to the first electric contact An elastically deformable contact piece 231a (see FIG. 6B) is in contact with the connection terminal 13a. The second electric contact 23b projects to the first surface 281 in the first direction D1 at one end on the receptacle 1 side (in other words, at the tip in the insertion direction I1 to the receptacle 1), and corresponds to the second electric contact It has an elastically deformable contact piece 231b (see FIG. 6A) in contact with the connection terminal 13b.

The plug shell 22 has conductivity. The plug shell 22 is made of, for example, metal. The cylindrical portion 220 has a first side wall 221, a second side wall 222, a third side wall 223, and a fourth side wall 224.

The first side wall 221 is opposite to the second surface 282 of the first surface 281 in the first direction D1. The second side wall 222 is opposite to the first surface 281 side of the second surface 282 in the first direction D1. The third side wall 223 connects one ends (the right ends in FIG. 3A) of the first side wall 221 and the second side wall 222 in the second direction D2. The fourth side wall 224 connects the other ends (the left ends in FIG. 3A) of the first side wall 221 and the second side wall 222 in the second direction D2. The distance between the third side wall 223 and the fourth side wall 224 in the second direction D2 is substantially the same on the first side wall 221 side in the first direction D1, but the second side on the second side wall 222 in the first direction D1 As the side wall 222 is approached, it becomes short gradually.

In the first side wall 221, two holding holes 26 in which each of the two first hooks 16 of the receptacle 1 is hooked are formed. Two holding holes 26 b are formed in the second side wall 222. The two holding holes 26b are two plate springs 129b formed in the cylindrical portion 120 of the receptacle housing 10 of the receptacle 1b (see FIGS. 11A and 11B) not provided with the optical connection terminal 14 (see FIGS. 4B and 5). Each of the hooks 16b is hooked. The receptacle 1 b is a receptacle that meets the HDMI (registered trademark) standard and does not include the optical connection terminal 14. The receptacle 1 b is configured to satisfy, for example, the “HDMI Specification Ver. 1.4 a” (“HDMI” is a registered trademark) standard, and is compatible with the receptacle 1. With regard to the receptacle 1 b, the same components as those of the receptacle 1 of the embodiment are denoted by the same reference numerals, and the description thereof will be omitted. The plug 2 of the present embodiment can be connected to either the receptacle 1 or the receptacle 1 b. That is, the plug 2 can be connected to the receptacle 1b as shown in FIGS. 11A and 11B. The receptacle 1 b is also connectable to the plug 2 a.

The optical connection terminal 24 is for light transmission. The optical connection terminal 24 is held by the plug housing 20 and faces the receptacle 1 in the insertion direction I1 to the receptacle 1. Here, in the optical connection terminal 24, the end face 240 (see FIGS. 4B and 5) facing the receptacle 1 is exposed.

The optical connection terminal 24 has an optical fiber 241 and a lens 242 as shown in FIGS. 4B and 5.

The optical fiber 241 is, for example, a POF (Plastic Optical Fiber). The diameter (outer diameter) of the optical fiber 241 is, for example, about 0.125 mm.

The lens 242 is, for example, an aspheric lens. The lens 242 is disposed to face the end face of the optical fiber 241. In the lens 242, the second lens surface opposite to the first lens surface facing the end surface of the optical fiber 241 is exposed. That is, in the light connection terminal 24, the second lens surface of the lens 242 constitutes the end surface 240 facing the receptacle 1.

The plug 2 further comprises a reinforcing pipe 251 covering the optical fiber 241. The reinforcing pipe 251 is a ferrule. The material of the reinforcing pipe 251 is, for example, zirconia. The diameter (outer diameter) of the reinforcing pipe 251 is, for example, about 0.6 mm. In the plug 2, by providing the reinforcing pipe 251, it is possible to reduce the possibility of breakage of the optical fiber 241 when the optical fiber 241 is assembled to the plug housing 20.

The plug 2 provided with the optical connection terminal 24 is different from the plug 2a not provided with the optical connection terminal 24 (see FIGS. 7 to 10B) in that a positioning structure 25 corresponding to the positioning structure 15 of the receptacle 1 is provided. More specifically, the plug 2 is different from the plug 2 a in that the plug 2 has an optical connection terminal 24 and a convex portion 250 fitted in the concave portion 150 of the receptacle 1.

The positioning structure 25 is a part of the plug housing 20 and performs relative positioning of the plug 2 to the receptacle 1 in a plane perpendicular to the insertion direction I1. As described above, according to the HDMI (registered trademark) standard, it is only necessary to insert the plug 2 into the receptacle 1 to ensure electrical connection between the electrical connection terminal 13 and the electrical contact 23. Therefore, the plug 2 was inserted into the receptacle 1 In the state, rattling is likely to occur in each of the first direction D1 and the second direction D2. On the other hand, in the positioning structure 25, the dimensional tolerance in the plane orthogonal to the insertion direction I1 is set to the cylindrical portion 120 and the insertion in order to increase the accuracy of the optical axis alignment between the optical connection terminal 14 and the optical connection terminal 24. It is determined to be smaller than the dimensional tolerance of each of the parts 27.

In the plug 2, the positioning structure 25 has an uneven shape formed on the butt surface 200 of the plug housing 20 with the receptacle housing 10 in the insertion direction I1. In the plug 2, the positioning structure 25 is configured to perform positioning in both the first direction D1 and the second direction D2 orthogonal to each other in a plane orthogonal to the insertion direction I1. In the plug 2, the positioning structure 25 is a protrusion 250. The projection length L12 (see FIGS. 3B and 3C) of the projection 250 of the plug 2 is about 1 mm. The protrusion length L12 of the convex portion 250 is the same as the depth L11 (see FIG. 5) of the concave portion 150.

The butt surface 200 of the plug housing 20 with the receptacle housing 10 includes a first butt surface 201, a second butt surface 202, and a third butt surface 203. The first butting surface 201 is the vicinity of the boundary between the second side wall 222 and the third side wall 223 of the cylindrical portion 220, the second side wall 222, and the third side of the plug body 21 facing the receptacle 1 in the insertion direction I1. And near the boundary with the four side walls 224. The second butting surface 202 is the vicinity of the boundary between the first side wall 221 and the third side wall 223 of the cylindrical portion 220, the first side wall 221, and the first side surface of the plug body 21 facing the receptacle 1 in the insertion direction I1. And near the boundary with the four side walls 224. The third abutting surface 203 is a tip end surface of the convex portion 250.

The plug 2 includes a plurality of (here, two) positioning structures 25. That is, the plug 2 includes a plurality of (here, two) convex portions 250. In the plug 2, a plurality of positioning structures 25 are in the plug body 21 contained in the plug housing 20. When viewed from the side opposite to the insertion direction I1, one convex portion 250 (the lower convex portion 250 in FIG. 3A) of the plurality of convex portions 250 is between the two first abutting surfaces 201, One other protrusion 250 (upper protrusion 250 in FIG. 3A) is between the two second abutting surfaces 202. In the plug 2, in the insertion direction I1, the optical connection terminal 24, the first butting surface 201, the second butting surface 202, and the third butting surface 203 are arranged in this order (see FIG. 5). Here, “arranged in this order” does not have to be on a straight line parallel to the insertion direction I1 but means that it may be in this order.

The connection device 3 includes the receptacle 1 described above and the plug 2 described above. The plug 2 is removably inserted into the receptacle 1. In the connection device 3, the plurality of electrical contacts 23 and the plurality of electrical connection terminals 13 are electrically connected by inserting the plug 2 into the receptacle 1, and the plurality of optical connection terminals 24 of the plug 2 and the receptacle 1 The plurality of optical connection terminals 14 are optically connected. Here, the plurality of optical connection terminals 24 of the plug 2 and the plurality of optical connection terminals 14 of the receptacle 1 correspond one to one. In the connection device 3, since the receptacle 1 includes the positioning structure 15 and the plug 2 includes the positioning structure 25, the shift of the optical axis between the optical connection terminal 24 and the optical connection terminal 14 opposed in the insertion direction I1 Can be suppressed. Thereby, in the connection device 3, the transmission capacity can be further increased.

FIGS. 8 and 9 are cross-sectional views in which the plug 2a (see FIGS. 10A and 10B) not provided with the optical connection terminal 24 of the plug 2 and the protrusion 250 is inserted into the receptacle 1. FIG. When inserted into the receptacle housing 10 of the receptacle 1, the insertion portion 27 of the plug 2 a can be inserted to a position where it abuts on the first abutting surface 101 and the second abutting surface 102. At this time, the second hooking portion 16a of the receptacle 1 is hooked on the holding hole 26a of the plug 2a. Thereby, the receptacle 1 is configured such that the plug 2a does not easily come off.

On the other hand, in the receptacle 1 and the plug 2 of the embodiment, as shown in FIGS. 4B and 5, the plug 2 is engaged with the convex portion 250 and the concave portion 150 to form the third butting surface 203 which is the tip surface of the convex portion 250. And the third abutment surface 103, which is the bottom surface of the recess 150, is inserted until it abuts. Here, the plug-in length of the above-mentioned plug 2a is the same as the above-mentioned distance L1 (see FIG. 5), and the plug-in length of the plug 2 is the same as the above-mentioned distance L3 (see FIG. 5) . Further, in the connection device 3, the end surface 140 of the optical connection terminal 14 of the receptacle 1 and the end surface 240 of the optical connection terminal 24 of the plug 2 are in contact with or close to each other. Further, in the receptacle 1, the second hooking portion 16 a is not hooked on the holding hole 26 b of the plug 2, and the first hooking portion 16 is hooked on the holding hole 26 of the plug 2. Thereby, the receptacle 1 is configured such that the plug 2 does not easily come off. In other words, the plug 2 is designed so as not to easily come off the receptacle 1. Further, in the connection device 3 including the receptacle 1 and the plug 2, since the receptacle 1 includes the positioning structure 15 and the plug 2 includes the positioning structure 25, the optical axis of the optical connection terminal 14 of the receptacle 1 and the plug 2 The optical axis of the optical connection terminal 24 can be aligned more accurately.

As can be understood from the above description, the receptacle housing 10 has a plurality of types (two types in this case) in which the plug lengths (distances L3 and L1) and the positions of the holding holes 26 and 26a in the plugging direction I1 are different from each other. The plug 2, 2a can be inserted. Also, the receptacle housing 10 has a plurality of types of hooking portions 16 and 16a corresponding to the holding holes 26 and 26a of the plurality of types of plugs 2 and 2a.

Further, the plug housing 20 is used as receptacles for plural types (two types here) of receptacles 1 and 1b having different insertion depths (distances L3 and L1) and the hooking portions 16 and 16b in the insertion direction I1. It is possible to plug in. The plug housing 20 has a plurality of types of holding holes 26, 26b corresponding to the hooking portions 16, 16b of the plurality of types of receptacles 1, 1b.

The above embodiment is only one of various embodiments of the present invention. The above-mentioned embodiment can be variously changed according to design etc. if the object of the present invention can be achieved.

FIG. 12 is a cross-sectional view of a state in which the plug 2a (see FIGS. 10A and 10B) described above is inserted into the receptacle 1c of the first modification of the receptacle 1 of the embodiment. Regarding the receptacle 1c of the first modification, the same components as those of the receptacle 1 of the embodiment are given the same reference numerals as the receptacle 1 of the embodiment, and the description thereof will be omitted.

The receptacle 1c of the first modification differs from the receptacle 1 of the embodiment in the relative positional relationship between the first butting surface 101 and the second butting surface 102 in the insertion direction I1. More specifically, in the receptacle 1c of the first modification, the insertion port 18, the first butting surface 101, the second butting surface 102, and the third butting surface 103 of the plug housing 20 in the receptacle housing 10 , Lined up in this order. Here, “arranged in this order” does not have to be on a straight line parallel to the insertion direction I1 but means that it may be in this order.

In the receptacle 1c of the first modification, in a state in which the plug 2a is inserted, the second butt surface 102 prevents the second butt surface 102 and the plug 2a from coming in contact even when the first butt surface 101 and the plug 2a hit each other. The position of 102 is determined.

FIG. 13 is a cross-sectional view of a state in which the plug 2 d of the first modification of the plug 2 of the embodiment is inserted into the receptacle 1 d of the second modification of the receptacle 1 of the embodiment. The components of the receptacle 1d of the modification 2 similar to those of the receptacle 1 of the embodiment are given the same reference numerals as the receptacle 1 of the embodiment, and the description thereof will be omitted. Moreover, regarding the plug 2d of the modification 1, the same code | symbol as the plug 2 of embodiment is attached | subjected to the component similar to the plug 2 of embodiment, and description is abbreviate | omitted.

The receptacle 1 d of the second modification is different from the receptacle 1 of the embodiment in the relative positional relationship between the first butting surface 101 and the second butting surface 102 in the insertion direction I1. More specifically, in the receptacle 1 d of the second modification, the insertion port 18 of the plug housing 20 in the receptacle housing 10, the first abutting surface 101, the second abutting surface 102 and the third abutting surface 103 in the insertion direction I1 , Lined up in this order. Here, “arranged in this order” does not have to be on a straight line parallel to the insertion direction I1 but means that it may be in this order.

Here, the receptacle 1 d of the first modification is longer than the receptacle 1 c of the first modification in the distance between the plane including the first butting surface 101 and the plane including the second butting surface 102 in the insertion direction I1.

On the other hand, in the plug 2 d of the first modification, the relative positional relationship between the first butting surface 201 and the second butting surface 202 in the insertion direction I1 is different from that of the plug 2 of the embodiment. More specifically, in the plug 2d of the second modification, the first butt surface 201, the second butt surface 202, and the third butt surface 203 are arranged in this order in the insertion direction I1. Here, “arranged in this order” does not have to be on a straight line parallel to the insertion direction I1 but means that it may be in this order. In the plug 2 d of the first modification, the distance between the plane including the first abutment surface 201 of the plug housing 20 and the plane including the second abutment surface 202 in the insertion direction I1 includes the first abutment surface 101 of the receptacle housing 10. It is the same as the distance between the plane and the plane containing the second abutment surface 102. Thereby, as shown in FIG. 13, in the connection device 3d provided with the receptacle 1d and the plug 2d, the distance between the optical connection terminal 14 of the receptacle 1d and the optical connection terminal 24 of the plug 2d can be made closer. Can be made larger.

Next, a receptacle 1e of the third modification of the receptacle 1 of the embodiment will be described based on FIGS. 14A, 14B and 15. FIG. Regarding the receptacle 1e of the third modification, the same components as those of the receptacle 1 of the embodiment are denoted by the same reference numerals as those of the receptacle 1 of the embodiment, and the description thereof will be omitted.

The receptacle 1e of the modification 3 further includes a positioning structure 15e (hereinafter, also referred to as a second positioning structure 15e) separately from the positioning structure 15 (hereinafter, also referred to as a first positioning structure 15) in the receptacle 1 of the embodiment. There is. The second positioning structure 15e is a part of the receptacle housing 10, and performs relative positioning of the receptacle housing 10 with respect to the plug 2 in a plane orthogonal to the insertion direction I1. The second positioning structure 15e is positioned by the inner side surface 105 in a state where the plug housing 20 is pressed against the inner side surface 105 (see FIG. 15) of the receptacle housing 10 by the elastic force in the direction orthogonal to the insertion direction I1. Is configured. More specifically, the second positioning structure 15 e includes two plate springs 128 formed on the first side wall 121 of the cylindrical portion 120 and one plate formed on the third side wall 123 of the cylindrical portion 120. And a spring 19. Here, the two leaf springs 128 formed on the first side wall 121 press the plug housing 20 against the inner side surface 105 of the receptacle housing 10 by the elastic force in the first direction D1. On the other hand, one leaf spring 19 formed on the third side wall 123 of the cylindrical portion 120 presses the plug housing 20 against the inner side surface 105 of the receptacle housing 10 by the elastic force in the second direction D2. Therefore, in the inner side surface 105 of the receptacle housing 10, the plug housing 20 is pressed against the portion of the second side wall 122 of the cylindrical body portion 120 facing the first side wall 121, and the fourth side wall 124 of the cylindrical body portion 120. And the portion facing the third side wall 123.

Although it is essential to provide the second positioning structure 15 e in the receptacle 1 e of the third modification, it is not essential to provide the first positioning structure 15.

Next, the plug 2e of the modification 2 of the plug 2 of the embodiment will be described based on FIGS. 16A, 16B and 17. FIG. With regard to the plug 2e of the second modification, the same components as those of the plug 2 of the embodiment are designated by the same reference numerals as the plug 2 of the embodiment, and the description thereof will be omitted.

The plug 2e of the modification 2 includes a positioning structure 25e (hereinafter, also referred to as a second positioning structure 25e) different from the positioning structure 25 (hereinafter, also referred to as a first positioning structure 25) in the plug 2 of the embodiment. . The second positioning structure 25e is a part of the plug housing 20, and performs relative positioning of the plug housing 20 to the receptacle 1b in a plane perpendicular to the insertion direction I1. The second positioning structure 25e is positioned by the inner side surface 105 in a state where the plug housing 20 is pressed against the inner side surface 105 (see FIG. 17) of the receptacle housing 10 by the elastic force in the direction orthogonal to the insertion direction I1. Is configured. More specifically, the second positioning structure 25e includes two plate springs 227 formed on the first side wall 221 of the cylindrical portion 220 and one plate formed on the third side wall 223 of the cylindrical portion 220. And a spring 228. Here, the two plate springs 227 formed on the first side wall 221 press the plug housing 20 against the inner side surface 105 of the receptacle housing 10 by the elastic force in the first direction D1. On the other hand, one leaf spring 228 formed on the third side wall 223 of the cylindrical portion 220 presses the plug housing 20 against the inner side surface 105 of the receptacle housing 10 by the elastic force in the second direction D2. Therefore, in the inner side surface 105 of the receptacle housing 10, the plug housing 20 is pressed against the portion of the second side wall 122 of the cylindrical body portion 120 facing the first side wall 121, and the fourth side wall 124 of the cylindrical body portion 120. And the portion facing the third side wall 123.

The plug 2e of the second modification may include the first positioning structure 25 in addition to the second positioning structure 25e.

Next, a receptacle 1f of a modification 4 of the receptacle 1 of the embodiment and a plug 2f of a modification 3 of the plug 2 of the embodiment will be described based on FIG. The components of the receptacle 1 f of the modification 4 similar to those of the receptacle 1 of the embodiment are given the same reference numerals as the receptacle 1 of the embodiment, and the description thereof will be omitted. Moreover, regarding the plug 2f of the modification 3, the same code | symbol as the plug 2 of embodiment is attached | subjected to the component similar to the plug 2 of embodiment, and description is abbreviate | omitted.

In the receptacle 1 f, the positioning structure 15 for positioning the receptacle housing 10 relative to the plug 2 in a plane perpendicular to the plug-in direction of the plug 2 has an uneven shape formed on the inner side surface 105 of the receptacle housing 10. Here, the positioning structure 15 is configured to perform positioning in both the first direction D1 and the second direction D2 orthogonal to each other in a plane orthogonal to the insertion direction of the plug 2f. The receptacle 1 f includes a plurality of (in this case, three) positioning structures 15. A plurality of positioning structures 15 are in a single member (receptacle shell 12) included in the receptacle housing 10.

In the plug 2f, the positioning structure 25 for positioning the plug housing 20 relative to the receptacle 1f in a plane orthogonal to the insertion direction to the receptacle 1f is formed of an uneven shape formed on the outer surface 205 of the plug housing 20. . The positioning structure 25 is configured to perform positioning in both the first direction D1 and the second direction D2 orthogonal to each other in a plane orthogonal to the insertion direction into the receptacle 1f. The plug 2 f has a plurality of (here, three) positioning structures 25. Here, in the plug 2 f, the positioning structure 25 is formed on each of the first side wall 221, the third side wall 223, and the fourth side wall 224 of the cylindrical portion 220. Each of the plurality of positioning structures 25 is a recess formed in the outer surface 205 of the plug housing 20. A plurality of positioning structures 25 are in a single member (plug shell 22) included in the plug housing 20. In the receptacle 1 f, a positioning structure 15 is formed on each of the first side wall 121, the third side wall 123, and the fourth side wall 124 of the cylindrical portion 120. Each of the plurality of positioning structures 15 is a protrusion formed on the inner side surface 105 of the receptacle housing 10. In the plug 2 f, each of the plurality of positioning structures 25 may be a protrusion. In this case, in the receptacle 1 f, each of the plurality of positioning structures 15 may be a recess.

Hereinafter, modifications other than the above-described modifications will be illustrated.

In the receptacle 1, the optical connection terminal 14 has the lens 142, but in the optical connection terminal 14, the lens 142 is not an essential component. Therefore, the optical connection terminal 14 is not limited to the configuration having the lens 142, and may not have the lens 142.

Further, in the plug 2, the optical connection terminal 24 has the lens 242, but the lens 242 is not an essential component in the optical connection terminal 24. Therefore, the optical connection terminal 24 is not limited to the configuration having the lens 242, and may not have the lens 242.

Each of the lenses 142 and 242 is an aspheric lens, but is not limited to this, and may be, for example, a spherical lens or the like. However, in the case where the lenses 142 and 242 are aspheric lenses, the optical loss due to the difference in the distance between the optical connection terminal 14 of the receptacle 1 and the optical connection terminal 24 of the plug 2 is reduced compared to the case where the lenses it can.

Also, the end surface 140 of the optical connection terminal 14 and the end surface 240 of the optical connection terminal 24 are not limited to being separated, and may be in contact with each other.

Also, the optical fibers 141 and 241 are not limited to being linear over the entire length, and may be bent on the side opposite to the lenses 142 and 242, for example.

The receptacle 1, the plug 2, and the connection device 3 can be used for uncompressed transmission of 8K video and the like.

Also, the receptacle 1, the plug 2, and the connection device 3 may be configured not to be limited to the HDMI (registered trademark) standard, for example, to satisfy the USB (Universal Serial Bus) standard. Also, the receptacle 1, the plug 2, and the connection device 3 may be configured as, for example, a display port or the like used when connecting personal computers.

Moreover, the uneven | corrugated shape which comprises the positioning structure 15 in the receptacle 1 is not limited to the above-mentioned example, It can change suitably. Moreover, the uneven | corrugated shape which comprises the positioning structure 25 in the plug 2 is not limited to the above-mentioned example, It can change suitably. Moreover, in the plug 2, although the 1st butt surface 201 and the 2nd butt surface 202 exist in one plane, it is not restricted to this but in the insertion direction I1, the 1st butt surface 201 and the 2nd butt surface 202, It may be arranged in this order.

(Summary)
The following aspects are described from the embodiment and the like described above.

The receptacle (1, 1c, 1d, 1e, 1f) according to the first aspect includes a receptacle housing (10), an electrical connection terminal (13), an optical connection terminal (14), and a positioning structure (15, 15e) And. The receptacle housing (10) can be plugged with the plug housing (20) of the plug (2, 2a, 2d, 2e, 2f). The electrical connection terminal (13) is held by the receptacle housing (10) and connected to the electrical contacts (23) of the plugs (2, 2a, 2d, 2e, 2f). The optical connection terminal (14) is for light transmission. The optical connection terminal (14) is held by the receptacle housing (10), and faces the plugs (2, 2a, 2d, 2e, 2f) in the insertion direction (I3) of the plug (2). The positioning structure (15, 15e) consists of a part of the receptacle housing (10) and the receptacle housing (10) for the plug (2, 2a, 2d, 2e, 2f) in a plane perpendicular to the insertion direction (I1) Relative positioning of

According to this configuration, the receptacles (1, 1c, 1d, 1e, 1f) can further increase the transmission capacity.

In the receptacle (1, 1c, 1d, 1e) of the second aspect, in the first aspect, the positioning structure (15) comprises the receptacle housing (10) with the plug housing (20) in the insertion direction (I1). It consists of the uneven | corrugated shape formed in the butt surface (100). Thereby, in the receptacle (1, 1c, 1d, 1e), the relative positioning accuracy of the receptacle housing (10) with respect to the plug (2, 2a, 2d, 2e) in the plane orthogonal to the insertion direction (I1) It is possible to raise

In the receptacle (1f) of the third aspect, in the first aspect, the positioning structure (15) is formed of a concavo-convex shape formed on the inner side surface (105) of the receptacle housing (10). Thereby, in the receptacle (1f), it is possible to improve the accuracy of relative positioning of the receptacle housing (10) with respect to the plug (2f) in a plane orthogonal to the insertion direction (I1).

In the receptacle (1, 1c, 1d, 1e, 1f) of the fourth aspect, in any one of the first to third aspects, the positioning structure (15) has a first direction (D1) orthogonal to each other in a plane And the second direction (D2). Thereby, in the receptacle (1, 1c, 1d, 1e, 1f), the relative position of the receptacle housing (10) with respect to the plug (2, 2d, 2e, 2f) in the plane orthogonal to the insertion direction (I1) It is possible to further improve the accuracy, and it is possible to further reduce the deviation of the optical axis between the optical connection terminal (14) and the optical connection terminal (24) of the plug (2, 2d, 2e, 2f).

In the receptacle (1, 1c, 1d, 1e, 1f) of the fifth aspect, in any one of the first to fourth aspects, the positioning structure (15) is a recess (150). Thereby, in the receptacles (1, 1c, 1d, 1e, 1f), since the positioning structure (15) is not a convex part, the amount of insertion of the conventional plug (2a) not provided with the optical connection terminal (24) is insufficient Can be prevented, and compatibility with the conventional plug (2a) can be ensured.

In the receptacle (1, 1c, 1d, 1e) of the sixth aspect, in any one of the first to fifth aspects, the butt surface (100) of the receptacle housing (10) with the plug housing (20) is It includes a first butt surface (101) and a second butt surface (102) provided with an optical connection terminal (14). In the insertion direction (I1), the insertion port (18) of the plug housing (20) in the receptacle housing (10), the first abutment surface (101) and the second abutment surface (102) are arranged in this order. Thereby, in the receptacles (1, 1c, 1d, 1e), the plug (2a) having no optical connection terminal (24) and compatible with the plug (2) does not hit the second butting surface (102) As a result, the optical connection terminal (14) is not easily damaged.

The receptacle (1, 1c, 1d, 1e, 1f) of the seventh aspect includes a plurality of positioning structures (15) in any one of the first to sixth aspects. A plurality of positioning structures (15) are in a single member (receptacle body 11 or receptacle shell 12) contained in the receptacle housing (10). Thereby, in the receptacle (1, 1c, 1d, 1e, 1f), relative to the plug (2, 2a, 2d, 2e, 2f) in the plane orthogonal to the insertion direction (I1), the receptacle housing (10) Positioning accuracy can be further improved.

In the receptacle according to the eighth aspect (1, 1c, 1d, 1e, 1f), in any one of the aspects 1 to 7, the receptacle housing (10) has a plug length (L3, L1) as a plug. It is possible to insert a plurality of plugs (2, 2a) in which the positions of the holding holes (26, 26a) in the insertion direction (I1) are different from each other. The receptacle housing (10) further has a plurality of hooks (16, 16a) corresponding to the holding holes (26, 26a) of the plurality of plugs (2, 2a). Thereby, in the receptacle (1, 1c, 1d, 1e, 1f), it is possible to further improve the relative positioning accuracy of the receptacle housing (10) with respect to the plug (2, 2a, 2d, 2e, 2f) .

In the receptacle (1, 1c, 1d, 1e, 1f) of the ninth aspect, in any one of the first to eighth aspects, the optical connection terminal (14) has a lens (142). Thereby, in the receptacles (1, 1c, 1d, 1e, 1f), it is possible to reduce the transmission loss as compared with the case where the lens (142) is not provided, and it is possible to increase the transmission capacity. Become.

In the receptacle (1e) of the tenth aspect, in the first aspect, the positioning structure (15e) is a plug (2, 2a, 2d, 2e, 2f) by elastic force in a direction orthogonal to the insertion direction (I1). In the state where the plug housing (20) is pressed against the inner side surface (105) of the receptacle housing (10), positioning is performed by the inner side surface (105). Thereby, in the receptacle (1e), the accuracy of relative positioning of the receptacle housing (10) with respect to the plugs (2, 2a, 2d, 2e, 2f) in a plane orthogonal to the insertion direction (I1) It becomes possible.

The plug (2, 2d, 2e, 2f) of the eleventh aspect comprises a plug housing (20), an electrical contact (23), an optical connection terminal (24), and a positioning structure (25, 25e) Prepare. The plug housing (20) can be inserted into the receptacle housing (10) of the receptacle (1, 1b, 1c, 1d, 1e, 1f). The electrical contacts (23) are held by the plug housing (20) and connected to the electrical connection terminals (13) of the receptacles (1, 1b, 1c, 1d, 1e, 1f). The optical connection terminal (24) is for light transmission. The optical connection terminal (24) is held by the plug housing (20), and in the insertion direction (I1) to the receptacle (1, 1b, 1c, 1d, 1e, 1f), the receptacle (1, 1b, 1c, 1d, Opposite 1e, 1f). The positioning structure (25, 25e) consists of a part of the plug housing (20), and for the receptacle (1, 1b, 1c, 1d, 1e, 1f) in a plane perpendicular to the insertion direction (I1) 20) Perform relative positioning.

According to this configuration, the plugs (2, 2d, 2e, 2f) can increase the transmission capacity.

In the plug (2, 2d) of the twelfth aspect, in the eleventh aspect, the positioning structure (25) is an abutment surface (200) of the plug housing (20) in the insertion direction (I1) with the receptacle housing (10). It consists of the uneven | corrugated shape formed in 5.). Thereby, in the plug (2, 2d), the relative positioning accuracy of the receptacle housing (10) with respect to the receptacle (1, 1b, 1c, 1d, 1e, 1f) in the plane orthogonal to the insertion direction (I1) It is possible to raise

In the plug (2f) of the thirteenth aspect, in the eleventh aspect, the positioning structure (25) comprises an uneven shape formed on the outer side surface 205 of the plug housing (20). Thereby, in the plug (2f), it is possible to increase the accuracy of relative positioning of the plug housing (20) with respect to the receptacle (1f) in a plane orthogonal to the insertion direction (I1).

In the plug (2, 2d, 2e, 2f) of the fourteenth aspect, in any one of the eleventh to thirteenth aspects, the positioning structure (25) includes a first direction (D1) orthogonal to each other in a plane and Positioning is performed in both of the second direction (D2). Thereby, in the plug (2, 2d, 2e, 2f), the relative position of the plug housing (20) to the receptacle (1, 1c, 1d, 1e, 1f) in the plane orthogonal to the insertion direction (I1) It is possible to further increase the accuracy, and it is possible to further reduce the deviation of the optical axis between the optical connection terminal (24) and the optical connection terminal (14) of the receptacle (1, 1c, 1d, 1e, 1f) .

In the plug (2, 2d, 2e, 2f) of the fifteenth aspect, in any one of the eleventh to fourteenth aspects, the positioning structure (25) is a protrusion. Thereby, in the plug (2, 2d, 2e, 2f), relative to the receptacle (1, 1b, 1c, 1d, 1e, 1f) in the plane orthogonal to the insertion direction (I1) Positioning accuracy can be improved.

In the plug (2, 2d, 2e, 2f) of the sixteenth aspect, in any one of the eleventh to fifteenth aspects, the butt surface (200) of the plug housing (20) with the receptacle housing (10) is A first butt surface (201) and a second butt surface (202) provided with an optical connection terminal (24). In the insertion direction (I1), the first butted surface (201) and the second butted surface (202) are arranged in this order. Thus, the plug (2, 2d, 2e, 2f) does not have the optical connection terminal (14), and the receptacle (1b) compatible with the receptacle (1, 1c, 1d, 1e, 1f) is the second It is possible not to hit the butt surface (202) and the optical connection terminal (24) is not easily scratched.

The plug (2, 2d, 2e, 2f) of the seventeenth aspect includes a plurality of positioning structures (25) in any one of the eleventh to sixteenth aspects. A plurality of positioning structures (25) are in a single member (plug body 21 or plug shell 22) contained in the plug housing (20). Thereby, in the plug (2, 2d, 2e, 2f), relative positioning of the plug housing (20) to the receptacle (1, 1c, 1d, 1e, 1f) in a plane orthogonal to the insertion direction (I1) It is possible to further improve the accuracy of

In the plug (2, 2d, 2e, 2f) of the eighteenth aspect, in any one of the eleventh to seventeenth aspects, the plug housing (20) serves as a receptacle for insertion depth and insertion direction (I1). The position of the hooking portion (16, 16b) at can be inserted into a plurality of different receptacles (1, 1b) different from each other. The plug housing (20) further has a plurality of types of holding holes (26, 26b) corresponding to the hooking portions (16, 16b) of the plurality of types of receptacles (1, 1b). Thus, the plugs (2, 2d, 2e, 2f) can correspond to the plurality of receptacles (1, 1b).

In the plug of the nineteenth aspect (2, 2d, 2e, 2f), in any one of the eleventh to eighteenth aspects, the optical connection terminal (24) has a lens (242). Thereby, in the plugs (2, 2d, 2e, 2f), it is possible to reduce the transmission loss as compared with the case where the lens (242) is not provided, and it is possible to make the transmission capacity larger.

In the plug (2e) of the twentieth aspect, in the eleventh aspect, the positioning structure (25) includes the plug housing (20) in the receptacle housing (10) by an elastic force in a direction orthogonal to the insertion direction (I1). In a state of being pressed against the inner side surface (105), positioning is performed by the inner side surface (105). Thereby, in the plug (2), it is possible to increase the accuracy of relative positioning of the plug housing (20) with respect to the receptacle (1) in a plane orthogonal to the insertion direction (I1).

The connecting device (3, 3d) of the twenty-first aspect is the receptacle (1, 1c, 1d, 1e, 1f) according to any one of the first to tenth aspects and any one of the eleventh to twentieth aspects And a plug (2, 2d, 2e, 2f).

According to this configuration, the connection device (3, 3d) can align the optical axis of the optical connection terminal (14) with the optical axis of the optical connection terminal (24) with higher accuracy, and the transmission capacity can be larger. It is possible to

Reference Signs List 1, 1 b, 1 c, 1 d, 1 e, 1 f Receptacle 10 receptacle housing 100 butt face 101 first butt face 102 second butt face 105 inner side face 11 receptacle body 13 electrical connection terminal 14 optical connection terminal 142 lens 15, 15 e positioning structure 150 Recess 16 Catching part 16a Catching part 18 Insertion port 19 Flat spring 2, 2d, 2e, 2f Plug 20 Plug housing 205 Outer surface 23 Electric contact 24 Optical connection terminal 242 Lens 25 Positioning structure 250 Convex part 26 Holding hole 26a Holding hole 26b Retaining hole 3, 3d Connecting device 200 Abutment surface 201 First abutment surface 202 Second abutment surface D1 First direction D2 Second direction I1 Insertion direction

Claims (21)

A receptacle housing into which the plug housing of the plug can be inserted;
An electrical connection terminal held by the receptacle housing and connected to an electrical contact of the plug;
An optical connection terminal for light transmission which is held by the receptacle housing and faces the plug in the plug insertion direction of the plug;
And a positioning structure that is a part of the receptacle housing and that positions the receptacle housing relative to the plug in a plane orthogonal to the insertion direction.
Receptacle. The positioning structure includes an uneven shape formed on an abutting surface of the receptacle housing with the plug housing in the insertion direction.
The receptacle according to claim 1. The positioning structure comprises a concavo-convex shape formed on the inner side surface of the receptacle housing.
The receptacle according to claim 1. The positioning structure is configured to perform positioning in both a first direction and a second direction orthogonal to each other in the plane.
The receptacle according to any one of claims 1 to 3. The positioning structure is a recess,
A receptacle according to any one of the preceding claims. An abutting surface of the receptacle housing with the plug housing includes a first abutting surface and a second abutting surface provided with the optical connection terminal,
In the insertion direction, the insertion port of the plug housing in the receptacle housing, the first butting surface and the second butting surface are arranged in this order.
A receptacle according to any one of the preceding claims. Comprising a plurality of said positioning structures,
The plurality of positioning structures are in a single member included in the receptacle housing,
The receptacle according to any one of claims 1 to 6. The receptacle housing can insert a plurality of types of plugs having different insertion lengths and positions of holding holes in the insertion direction as the plug,
The receptacle housing further includes a plurality of hooks corresponding to holding holes of the plurality of plugs.
A receptacle according to any one of the preceding claims. The optical connection terminal has a lens,
A receptacle according to any one of the preceding claims. The positioning structure is configured to perform positioning by the inner side surface in a state where the plug housing is pressed against the inner side surface of the receptacle housing by an elastic force in a direction orthogonal to the insertion direction.
The receptacle according to claim 1. A plug housing that can be inserted into the receptacle housing of the receptacle;
An electrical contact held by the plug housing and connected to the electrical connection terminal of the receptacle;
An optical connection terminal for optical transmission that is held by the plug housing and faces the receptacle in the insertion direction into the receptacle;
And a positioning structure which is a part of the plug housing and performs relative positioning of the plug housing with respect to the receptacle in a plane orthogonal to the insertion direction.
plug. The positioning structure includes an uneven shape formed on an abutting surface of the plug housing with the receptacle housing in the insertion direction.
The plug according to claim 11. The positioning structure comprises a concavo-convex shape formed on the outer surface of the plug housing.
The plug according to claim 11. The positioning structure is configured to perform positioning in both a first direction and a second direction orthogonal to each other in the plane.
The plug according to any one of claims 11 to 13. The positioning structure is a convex portion,
The plug according to any one of claims 11 to 14. An abutting surface of the plug housing with the receptacle housing includes a first abutting surface and a second abutting surface provided with the optical connection terminal;
In the insertion direction, the first butting surface and the second butting surface are arranged in this order,
A plug according to any one of claims 11-15. Comprising a plurality of said positioning structures,
The plurality of positioning structures are in a single member included in the plug housing,
A plug according to any one of claims 11-16. The plug housing can be inserted into a plurality of types of receptacles having different insertion depths and positions of hooks in the insertion direction as the receptacles,
The plug housing further has a plurality of types of holding holes corresponding to hooks of the plurality of types of receptacles,
A plug according to any one of claims 11-17. The optical connection terminal has a lens,
A plug according to any one of claims 11-18. The positioning structure is configured to perform positioning by the inner side surface in a state where the plug housing is pressed against the inner side surface of the receptacle housing by an elastic force in a direction orthogonal to the insertion direction.
The plug according to claim 11. A receptacle according to any one of claims 1 to 10, and a plug according to any one of claims 11 to 20.
Connection device.

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