WO2012090561A1 - レセプタクル及びコネクタ - Google Patents
レセプタクル及びコネクタ Download PDFInfo
- Publication number
- WO2012090561A1 WO2012090561A1 PCT/JP2011/072240 JP2011072240W WO2012090561A1 WO 2012090561 A1 WO2012090561 A1 WO 2012090561A1 JP 2011072240 W JP2011072240 W JP 2011072240W WO 2012090561 A1 WO2012090561 A1 WO 2012090561A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- holding member
- plug
- spring
- receptacle
- axis direction
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
- H01R13/6273—Latching means integral with the housing comprising two latching arms
Definitions
- the present invention relates to a receptacle and a connector, and more particularly, to a receptacle and a connector used when a signal is transmitted through an optical fiber.
- FIG. 12 is an external perspective view of the connector 500 described in Patent Document 1.
- FIG. 12 is an external perspective view of the connector 500 described in Patent Document 1.
- the connector 500 includes a plug-side connector 520, a receptacle-side connector 540, an electrical wiring 550, and an IC driver 560 that are detachable from each other.
- the plug-side connector 520 is provided at one end of the optical fiber 502.
- Receptacle side connector 540 is mounted on substrate 503.
- the electrical wiring 550 electrically connects the receptacle-side connector 540 and the IC driver 560.
- the IC driver 560 is a circuit that processes a signal transmitted through the optical fiber 502.
- an object of the present invention is to provide a receptacle and a connector that have a strong fitting force with a plug and can be reduced in height.
- a receptacle according to an aspect of the present invention is a receptacle provided at one end of an optical fiber, to which a plug having a rectangular shape is attached when viewed from above, and the receptacle is attached from above.
- a main body provided with a rectangular opening surrounded by the first side, the second side, the third side, and the fourth side when viewed from above, A first holding member, a second holding member, a third holding member and a fourth holding member which are located at both ends of the third side and the fourth side which are parallel to each other and which fix the plug.
- first spring terminal electrically connected to the plug, the first spring terminal having a U-shape having a folded portion when viewed from above, The tip of the folded portion is more open than the third side.
- One end of the first spring terminal is located in the opening when viewed from above, and the other end of the first spring terminal is the first spring terminal when viewed from above.
- the first spring terminal is located on the outer side of the opening with respect to the side of 1 and opposed to the first holding member located closest to the first spring terminal when viewed from above. The portion is bent in a direction away from the first holding member.
- a connector according to an aspect of the present invention includes the receptacle and a plug that is attached from above the receptacle.
- a receptacle and a connector that have a strong fitting force with a plug and can be reduced in height.
- FIG. 1 is an external perspective view of a connector according to an embodiment of the present invention. It is the external appearance perspective view which isolate
- FIG. 8A is a diagram used for explaining the fitting force when the plug and the receptacle are fitted at the four corners of the plug.
- FIG. 8A is a diagram used for explaining the fitting force when the plug and the receptacle are fitted at the four corners of the plug.
- FIG. 8B is a diagram used for explaining the fitting force when the plug and the receptacle are fitted at other than the four corners of the plug. It is a figure showing the front-end
- FIG. 1 is an external perspective view of a connector 1 according to an embodiment of the present invention.
- FIG. 2 is an external perspective view in which the plug 10 is separated from the connector 1.
- FIG. 3 is an exploded perspective view of the plug 10.
- FIG. 4 is a diagram illustrating a state in which the main body 21 and the electric circuit unit 30 are mounted on the circuit board 40.
- the connector 1 includes a plug 10, a receptacle 20, an electric circuit unit 30, and a circuit board 40.
- the plug 10 is provided at one end of the optical fiber 50 and converts an optical signal into an electric signal or converts an electric signal into an optical signal.
- the direction in which the optical fiber 50 extends is defined as the x-axis direction
- the vertical direction is defined as the z-axis direction
- the direction orthogonal to the x-axis direction and the z-axis direction is defined as the y-axis direction.
- the x-axis direction, the y-axis direction, and the z-axis direction are orthogonal to each other.
- the circuit board 40 has an electric circuit on its surface and inside, and has a mounting surface 43 parallel to the xy plane, as shown in FIGS. Further, a hole 41 is provided in the mounting surface 43 of the circuit board 40. The hole 41 is provided on the mounting surface 43 so as to oppose each other in the vicinity of the side on the positive direction side in the y-axis direction and in the vicinity of the side on the negative direction side in the y-axis direction.
- the receptacle 20 and the electric circuit unit 30 are mounted so as to be arranged in this order from the positive direction side to the negative direction side in the x-axis direction.
- the optical fiber 50 includes a coating 52 and a core wire 54.
- the core wire 54 includes a core and a clad made of glass or resin.
- the coating 52 is any one of UV, fluorine, and silicone resin, and covers the core wire 54. At the end of the optical fiber 50 on the negative side in the x-axis direction, the coating 52 is removed and the core wire 54 is exposed as shown in FIG.
- the plug 10 has a rectangular shape when viewed from the positive side (above) in the z-axis direction, and has a photoelectric conversion element 12, a mounting portion 13, a ferrule 17, and a metal member 18 as shown in FIG. is doing.
- the photoelectric conversion element 12 is a semiconductor element such as a photodiode or a VCSEL.
- the mounting portion 13 includes a substrate 11, a sealing resin 15, external terminals 16a and 16b, terminal portions 19a and 19b, and vias V1 and V2.
- the substrate 11 is a resin substrate having a rectangular parallelepiped shape.
- a photoelectric conversion element 12 is mounted on the side surface of the substrate 11 on the positive side in the x-axis direction, as will be described below.
- External terminals 16a and 16b are provided on the side surface of the substrate 11 on the negative side in the x-axis direction so as to be arranged in this order from the positive direction side in the y-axis direction to the negative direction side.
- the terminal portions 19a and 19b are provided on the side surface of the substrate 11 on the positive direction side in the x-axis direction so as to be arranged in this order from the positive direction side in the y-axis direction to the negative direction side.
- the external terminal 16a and the terminal portion 19a face each other and are connected by the via V1.
- the external terminal 16b and the terminal portion 19b face each other and are connected by a via V2.
- the photoelectric conversion element 12 is mounted on the terminal portion 19a. Further, the terminal portion 19b and the photoelectric conversion element 12 are electrically connected using wire X by wire bonding.
- the sealing resin 15 is made of a transparent resin, and seals the photoelectric conversion element 12 mounted on the substrate 11. Thus, the photoelectric conversion element 12 is embedded in the mounting portion 13.
- the ferrule 17 is a resin member having a rectangular parallelepiped shape.
- the ferrule 17 fixes the optical fiber 50 and the mounting portion 13 with the core wire 54 and the photoelectric conversion element 12 facing each other.
- the ferrule 17 is provided with a recess A and a hole H.
- the recess A is formed by the depression of the side surface of the ferrule 17 on the negative direction side in the x-axis direction. Thereby, the sealing resin 15 is fitted in the recess A, and the mounting portion 13 is fixed to the ferrule 17.
- the hole H is a cylindrical cavity, and is provided so as to extend from the side surface on the positive direction side in the x-axis direction of the ferrule 17 to the negative direction side in the x-axis direction and penetrate into the recess A. Yes. Therefore, when the core wire 54 is inserted into the hole H from the positive side in the x-axis direction, the photoelectric conversion element 12 and the optical fiber 50 face each other and are optically connected.
- the metal member 18 is provided so as to cover the photoelectric conversion element 12 from the positive direction side in the z-axis direction.
- the metal member 18 covers the positive side surface in the z-axis direction, the positive side surface in the y-axis direction, and the negative side surface in the y-axis direction of the mounting portion 13 and the ferrule 17.
- the metal member 18 is provided with recesses 80, 81, 82, 83.
- the concave portion 80 and the concave portion 81 are provided by the depression of the side surface on the positive direction side in the y-axis direction of the metal member 18.
- the recess 80 is provided on the positive side in the x-axis direction with respect to the recess 81. As shown in FIG. 3, the recess 82 and the recess 83 are provided by the depression of the side surface on the negative direction side in the y-axis direction of the metal member 18. The recess 82 is provided on the positive side in the x-axis direction with respect to the recess 83.
- the electric circuit unit 30 is mounted on the mounting surface 43 of the circuit board 40 on the negative side in the x-axis direction of the main body 21 of the receptacle 20 and processes a signal transmitted by the plug 10.
- the electric circuit unit 30 includes a circuit element 31, a metal cap 33, and a resin unit 35.
- the circuit element 31 is a chip-type electronic component mounted on the mounting surface 43 of the circuit board 40 and is an element for driving the photoelectric conversion element 12.
- the circuit element 31 is sealed with a resin portion 35.
- the metal cap 33 is a cap that covers the circuit element 31 sealed by the resin portion 35.
- the metal cap 33 covers the resin part 35 from the positive direction side in the z-axis direction, the positive direction side in the y-axis direction, and the negative direction side in the y-axis direction.
- FIG. 5 is an exploded perspective view of the receptacle 20.
- FIG. 6 is a view of the receptacle 20 as seen from the back side.
- the receptacle 20 includes a main body 21, spring terminals 23 a and 23 b, an insulating portion 25, a fixing member 29, and holding members 70 to 73, and is mounted on the circuit board 40.
- the plug 10 is attached to the receptacle 20 from the positive direction side (upward) in the z-axis direction.
- the main body 21, the fixing member 29, and the holding members 70 to 73 are configured by bending a single metal plate.
- the main body 21 is a housing to which the plug 10 is attached.
- the main body 21 is provided with an opening O that is rectangular when viewed from the positive direction side in the z-axis direction and in which the plug 10 is mounted from the positive direction side (upward) in the z-axis direction.
- the main body 21 has a shape (that is, a square shape) surrounding the periphery of the plug 10. More specifically, the opening O is surrounded by sides k, l, m, and n. In the opening O, among the sides extending in the y-axis direction, the side on the negative direction side in the x-axis direction is the side k, and the side on the positive direction side in the x-axis direction is the side l.
- the side on the positive direction side in the y-axis direction is the side m
- the side on the negative direction side in the y-axis direction is the side n.
- Side k and side l, side m and side n are parallel to each other.
- the main body 21 is configured by bending a single rectangular metal plate. More specifically, the positive side of the metal plate in the x-axis direction, the central part of the positive side in the y-axis direction, and the central part of the negative side in the y-axis direction are in the negative direction in the z-axis direction.
- the main body 21 is configured by being bent toward the side.
- notches A and B are provided at both ends of the side m so as to be recessed from the opening O toward the positive direction side (outside) in the y-axis direction.
- the notch A is located on the positive side in the x-axis direction from the notch B.
- the notches A and B each have a trapezoidal shape in which the width in the x-axis direction (the direction in which the side m extends) becomes narrower from the side m toward the positive side in the y-axis direction (away from the side).
- notches C and D are provided at both ends of the side n so as to be recessed from the opening O toward the negative side (outer side) in the y-axis direction.
- the notch C is located on the positive side in the x-axis direction with respect to the notch D.
- Each of the cutouts C and D has a trapezoidal shape in which the width in the x-axis direction (direction in which the side n extends) becomes narrower from the side n toward the negative direction side in the y-axis direction. .
- the fixing member 29 is connected to the end on the negative side in the x-axis direction on the positive side in the y-axis direction and the negative side in the y-axis direction of the main body 21. .
- the fixing member 29 extends in the z-axis direction and is press-fitted into the hole 41 of the circuit board 40 as shown in FIGS. 1 and 2.
- the receptacle 20 is mounted on the circuit board 40.
- the fixing member 29 is connected to the ground conductor in the fixed substrate 40.
- the main body 21 is kept at the ground potential.
- the holding members 70 and 71 are spring members that are positioned at both ends of the side m and fix the plug 10.
- the holding member 70 is located on the positive side in the x-axis direction with respect to the holding member 71.
- the end portions on the negative direction side in the y-axis direction of the holding members 70 and 71 are referred to as end portions 70a and 71a
- the end portions on the positive direction side in the y-axis direction are referred to as end portions 70b and 71b.
- the end portions 70a and 71a (the other end) are located in the opening O when viewed from the positive direction side in the z-axis direction.
- the end portion 70a is located in the notch A
- the end portion 71a is located in the notch B.
- End portions 70 b and 71 b are connected to the main body 21. Accordingly, the holding members 70 and 71 are U-shaped when viewed from the x-axis direction (the direction in which the side m extends). The width of the end portions 70a and 71a in the x-axis direction (the direction in which the side m extends) is narrower than the width of the end portions 70b and 71b in the x-axis direction (the direction in which the side m extends). ing. That is, the holding members 70 and 71 have a trapezoidal shape whose width becomes narrower toward the tip.
- the holding members 72 and 73 are spring members that are positioned at both ends of the side n and fix the plug 10.
- the holding member 72 is located on the positive side in the x-axis direction with respect to the holding member 73.
- the ends of the holding members 72 and 73 on the positive side in the y-axis direction are end portions 72a and 73a
- the ends on the negative direction side in the y-axis direction are end portions 72b and 73b (not shown).
- the end portions 72a and 73a (the other end) are located in the opening O when viewed from the positive side in the z-axis direction.
- the end portion 72 a is located in the notch C
- the end portion 73 a is located in the notch D.
- Ends 72 b and 73 b are connected to the main body 21. Accordingly, the holding members 72 and 73 have a U-shape when viewed from the x-axis direction (the direction in which the side n extends).
- the width in the x-axis direction (the direction in which the side n extends) at the ends 72a and 73a is narrower than the width in the x-axis direction (the direction in which the side n extends) at the ends 72b and 73b. ing. That is, the holding members 72 and 73 have a trapezoidal shape whose width becomes narrower toward the tip.
- Spring terminals 23 a and 23 b are signal terminals that are electrically connected to the plug 10. Below, it demonstrates in detail about the spring terminals 23a and 23b.
- the spring terminal 23a includes a contact portion 90a, a spring portion 91a, and a fixing portion 92a.
- the spring portion 91a is a U-shaped leaf spring that connects the contact portion 90a and the fixed portion 92a and has a folded portion when viewed from the positive direction side (upward) in the z-axis direction.
- the spring portion 91a is located on the negative side in the x-axis direction with respect to the holding member 71, and has spring members 93a and 94a and a folded portion 95a as shown in FIG.
- the spring members 93a and 94a are plate springs bent in the same direction.
- the spring members 93a and 94a have a " ⁇ " shape that is bent toward the negative side in the x-axis direction near the middle point in the y-axis direction, and are viewed from the positive direction side in the z-axis direction. Sometimes, as it goes to the positive direction side in the y-axis direction, it bends to the negative direction side in the x-axis direction.
- the spring member 93a is located on the positive side in the x-axis direction with respect to the spring member 94a, whereby the spring member 93a (the portion facing the holding member 71 in the spring terminal 23a) is in the z-axis direction.
- the folded portion 95a has an arc shape and connects the spring member 93a and the spring member 94a. Specifically, the folded portion 95a connects the ends of the spring members 93a and 94a on the positive side in the y-axis direction.
- the spring terminal 23b includes a contact portion 90b, a spring portion 91b, and a fixing portion 92b.
- the spring portion 91b is a U-shaped leaf spring that connects the contact portion 90b and the fixed portion 92b and has a folded portion when viewed from the positive direction side in the z-axis direction.
- the spring portion 91b is located on the negative side in the x-axis direction with respect to the holding member 73, and has spring members 93b and 94b and a folded portion 95b as shown in FIG.
- the spring members 93b and 94b are made of leaf springs bent in the same direction.
- the spring members 93b and 94b have a " ⁇ " shape that is bent toward the negative side in the x-axis direction near the middle point in the y-axis direction, and are viewed from the positive direction side in the z-axis direction. Sometimes, as it goes to the negative direction side in the y-axis direction, it bends to the negative direction side in the x-axis direction.
- the spring member 93b is located closer to the positive direction side in the x-axis direction than the spring member 94b, so that the spring member 93b faces the holding member 73 on the negative direction side of the holding member 73 in the x-axis direction. And is bent in a direction away from the holding member 73.
- the folded portion 95b has an arc shape and connects the spring member 93b and the spring member 94b. Specifically, the folded portion 95b connects the end portions on the negative direction side in the y-axis direction of the spring members 93b and 94b.
- the contact portions 90a and 90b are end portions (one end) located on the positive direction side in the x-axis direction among the end portions of the spring terminals 23a and 23b.
- the contact portion 90a is connected to the end of the spring member 93a on the negative direction side in the y-axis direction and on the positive direction side in the z-axis direction (where the folded portion 95a is not connected).
- the contact portion 90b is connected to the end of the spring member 93b on the positive direction side in the y-axis direction and on the positive direction side in the z-axis direction (where the folded portion 95b is not connected). As shown in FIG.
- the contact portions 90 a and 90 b are located in the opening O when viewed from the positive direction side (upward) in the z-axis direction.
- the contact portions 90a and 90b are bent so as to form an inverted U shape when viewed from the positive direction side in the y-axis direction (the direction in which the side k extends), and the spring portions 91a and 91b have x It is pulled out to the positive side in the axial direction.
- the contact portions 90a and 90b are in contact with the side surface of the plug 10 on the negative side in the x-axis direction. More specifically, the contact portions 90a and 90b are in contact with the external terminals 16a and 16b of the plug 10, respectively.
- the contact portions 90a and 90b are inclined so that the angle formed by the end portions on the positive direction side in the x-axis direction of the spring portions 91a and 91b is about 45 °.
- the fixed portions 92a and 92b are end portions (the other ends) of the end portions of the spring terminals 23a and 23b that are located on the negative direction side in the x-axis direction, and extend toward the negative direction side in the x-axis direction. Yes.
- the fixed portions 92a and 92b are located outside the opening O with respect to the side k when viewed from the positive direction side (upward) in the z-axis direction.
- the fixing portion 92a is connected to the end of the spring member 94a on the negative direction side in the y-axis direction and on the negative direction side in the z-axis direction (where the folded portion 95a is not connected).
- the fixed portion 92b is connected to the end of the spring member 94b on the positive side in the y-axis direction and on the negative direction side in the z-axis direction.
- the fixing portions 92a and 92b are connected to lands (not shown) of the circuit board 40 when the receptacle 20 is mounted, and function as external terminals.
- the spring terminals 23a and 23b configured as described above have a U shape having folded portions 95a and 95b when viewed from the positive side in the z-axis direction.
- the U-shaped folded portion 95a faces the positive direction side in the y-axis direction, and the tip of the folded portion 95a is closer to the positive direction side in the y-axis direction (outside the opening O) than the side m. positioned.
- the U-shaped folded portion 95b faces the negative direction side in the y-axis direction, and the tip of the folded portion 95b is located on the negative direction side in the y-axis direction from the side n.
- the spring terminal 23a and the spring terminal 23b are axisymmetric with respect to the x axis (direction in which the optical fiber 50 extends).
- the spring terminals 23a and 23b have contact portions 90a and 90b in contact with the external terminals 16a and 16b, and the fixing portions 92a and 92b are connected to the lands of the circuit board 40, whereby the plug 10 and the circuit board 40 are connected. It functions as a terminal that relays signal transmission between them.
- the insulating portion 25 has a rectangular parallelepiped shape and is made of resin.
- the insulating portion 25 is integrally formed with the spring terminals 23a and 23b.
- the spring terminals 23 a and 23 b are fixed to the main body 21 so as not to be electrically connected to the main body 21. More specifically, the spring portion 91a and the spring portion 91b are drawn out from the side surface on the positive side in the y-axis direction and the side surface on the negative direction side in the y-axis direction of the insulating portion 25. 92a and 92b are pulled out.
- the insulating portion 25 is fixed to the main body 21 on the upper surface 28 of the insulating portion 25.
- the plug 10 is fitted from the positive direction side in the z-axis direction.
- the holding members 70 to 73 engage with the recesses 80 to 83, respectively.
- the spring terminals 23a and 23b and the external terminals 16a and 16b are electrically connected.
- the plug 10 is pushed to the positive side in the x-axis direction by the spring terminals 23a and 23b.
- the plug 10 is fixed to the receptacle 20.
- FIG. 7 is a schematic configuration diagram of a transmission / reception system 100 in which the connector 1 is used.
- a receiving connector 1a and a transmitting connector 1b are provided at both ends of the optical fiber 50, respectively.
- the receiving connector 1a includes a receiving circuit board 40a and a photodiode 12a.
- the transmission connector 1b includes a transmission circuit board 40b and a VCSEL 12b. As a result, a signal is transmitted from the transmission connector 1b to the reception connector 1a through the optical fiber 50.
- FIG. 8A is a diagram used for explaining the fitting force when the plug 10 and the receptacle 20 are fitted at the four corners of the plug 10.
- FIG. 8B is a diagram used for explaining the fitting force when the plug 210 and the receptacle 220 are fitted at other than the four corners of the plug 210.
- FIG. 8A when the plug 10 and the receptacle 20 are fitted at the four corners of the plug 10, and as shown in FIG. 8B, the plug 210 and the receptacle 220 are plugged.
- the optical fibers 50 and 250 are fitted in two places other than the two ends on the negative side in the x-axis direction of 210 and the two ends other than the end on the positive direction side in the x-axis direction of the plug 210.
- the ease of detachment of the plugs 10 and 250 when pulled to the positive side in the z-axis direction will be compared.
- the fulcrum is the fulcrum S at the end of the plugs 10 and 210 on the negative side in the x-axis direction.
- F1 is a force that pulls the optical fibers 50 and 250 toward the positive direction in the z-axis direction
- F2 is a force that is applied to the plugs 10 and 210 by fitting.
- L1 is the length from the point where the force is applied in the optical fibers 50 and 250 to the fulcrum S
- L2 is the plug 10 and the receptacle 20 fitted at the positive end of the receptacle 20 in the x-axis direction. It is the length from the point to the fulcrum S.
- L3 is the length from the point where the plug 210 and the receptacle 220 are fitted to the fulcrum S except for the negative end of the receptacle 220 in the x-axis direction.
- M1 is a moment of force acting clockwise around the fulcrum S
- M2 is a moment of force acting clockwise around the fulcrum S.
- the holding members 70 to 73 are located at the four corners of the opening O of the receptacle 20 as shown in FIGS. Therefore, when the spring terminals 23a and 23b are arranged so as to form a U shape extending in the y-axis direction when viewed from the z-axis direction, the holding members 71 and 73 and the spring terminals 23a and 23b are in contact with each other. End up.
- the spring terminals 23a and 23b so as to form an inverted U shape when viewed from the y-axis direction.
- the length of the receptacle 20 extending in the z-axis direction becomes long, and the receptacle 20 cannot be reduced in height.
- the spring terminals 23a and 23b have a configuration described below. More specifically, the spring members 93a and 93b have a “ ⁇ ” shape that is bent toward the negative side in the x-axis direction near the middle point in the y-axis direction. That is, the spring member 93a is bent toward the negative direction side in the x-axis direction as it goes to the positive direction side in the y-axis direction when viewed from the positive direction side in the z-axis direction. Similarly, when viewed from the positive direction side in the z-axis direction, the spring member 93b is bent toward the negative direction side in the x-axis direction as it goes to the negative direction side in the y-axis direction.
- the spring members 93a and 93b facing the holding members 71 and 73 closest to the spring terminals 23a and 23b are moved away from the holding members 71 and 73. bent.
- the contact of the spring members 93a and 93b with the holding members 71 and 73 is suppressed, and the height of the receptacle 20 is reduced.
- the tips of the U-shaped folded portions of the spring terminals 23a and 23b are located on the positive side in the y-axis direction or on the negative direction side in the y-axis direction from the side m or the side n, respectively. Therefore, the length of the spring portions 91a and 91b can be made sufficiently long, and the spring terminals 23a and 23b are not easily plastically deformed even if they are greatly displaced. That is, high spring properties can be obtained at the spring terminals 23a and 23b.
- the end portions 70a, 71a, 72a, 73a of the holding members 70 to 73 and the main body 21 are not normally in contact with each other.
- the notches A to D have trapezoidal shapes in which the width in the x-axis direction becomes narrower as the distance from the sides m and n increases when viewed from the positive direction side in the z-axis direction. There is no. Thereby, in the receptacle 20, since the area of the main body 21 is increased compared to the case where the notches A to D are rectangular, the strength of the main body 21 is increased.
- the width in the x-axis direction at the end portions 70a, 71a, 72a, 73a of the holding members 70 to 73 is shorter than the width in the x-axis direction at the end portions 70b, 71b, 72b, 73b. Accordingly, even if the areas of the notches A to D are small, the holding members 70 to 73 can be fitted into the notches A to D.
- the holding members 70 to 73 have a hook shape starting from the end portions 70b, 71b, 72b, 73b connected to the main body 21. Therefore, the holding members 70 to 73 are long in the length of the portion functioning as a spring, and thus are difficult to be plastically deformed even if they are largely displaced. That is, a high spring property can be obtained.
- the end portions 70a to 73a come into contact with the main body 21 when trying to be largely displaced. Therefore, the holding members 70 to 73 are not displaced so much as to be plastically deformed.
- the plug 10 can be fixed to the main body 21 by pushing the plug 10 toward the positive direction in the x-axis direction by the contact portions 90a and 90b.
- the tips of the contact portions 90a and 90b are inclined so that the angle formed by the spring members 93a and 93b is about 45 °, respectively. Therefore, the contact portions 90a and 90b can mechanically guide the plug 10.
- the contact portions 90a and 90b are displaced in the x-axis direction when the spring members 93a and 93b are bent.
- the insulating portion 25 is provided on the negative side of the contact portions 90 a and 90 b in the x-axis direction. For this reason, the contact portions 90a and 90b come into contact with the insulating portion 25 if they are to be largely displaced. Therefore, the contact portions 90a and 90b are not displaced so much as to be plastically deformed.
- the fixing member 29 is press-fitted into the hole 41 as shown in FIGS. 1 and 2. Therefore, when the plug 10 is inserted into and removed from the receptacle 20, even if the receptacle 20 is stressed in the positive z-axis direction by pulling up the plug 10 in the positive z-axis direction, the receptacle 20 Since it is securely mounted on the circuit board 40, it cannot be detached from the circuit board 40.
- FIG. 9 is a view showing the tip portion of the tool E used when the plug 10 is inserted and removed from the receptacle 20.
- FIG. 10 is a perspective view of the distal end portion of the tool E used when the plug 10 is inserted and removed from the receptacle 20. 9 and 10, only the metal member 18 of the plug 10 is shown for easy understanding.
- the plug 10 since the plug 10 is inserted into and removed from the receptacle 20 using the tool E, it is not necessary to touch the optical fiber 50 or the like during insertion / removal. Since stress on the optical fiber 50 can be relieved, a failure such as disconnection can be prevented without placing a burden on the optical fiber 50. More specifically, as shown in FIGS.
- the protrusions B3 and B4 of the L-shaped tool E are formed from the notches M and N to the recesses U and V of the metal member 18 (see FIGS. 2 and 3).
- the plug 10 is inserted into and removed from the receptacle 20 by pressing the metal member 18 from the positive side in the z-axis direction with the convex portions B1 and B2.
- the plug 10 is sandwiched by the tool E and is fitted from the positive side of the main body 21 in the z-axis direction.
- the metal cap 33, the metal member 18, and the main body 21 are connected to the ground, they are at the same potential.
- the entire connector 1 is shielded from external noise, and the connector 1 can exhibit a shielding effect.
- the ESD resistance and EMC resistance of the circuit element 31 can be improved by the shielding effect.
- the EMC resistance of the external electrical interface can be improved.
- the metal member 18 and the main body 21 are made of metal and are connected to a ground conductor (not shown) of the circuit board 40, respectively. Therefore, a large current due to static electricity is guided to the ground through the metal member 18, the main body 21, and the ground conductor of the circuit board 40.
- the plug 10 is in contact with the receptacle 20 through metal holding members 70 to 73 as shown in FIGS. Therefore, wear hardly occurs between the plug 10 and the holding members 70 to 73, and uneven contact due to variations in the shapes of the plug 10 and the holding members 70 to 73 can be prevented.
- the click feeling at the time of fitting is strong, and it can be felt by sound and touch that the fitting has been achieved. it can.
- FIG. 11 is a schematic configuration diagram 100a of a transmission / reception system using a connector 1 according to another embodiment.
- a SERDES device 99 may be provided in the receiving connector 1a and the transmitting connector 1b.
- the SERDES device 99 is mounted on the circuit board 40.
- the SERDES device 99 converts a serial signal into a parallel signal, and converts the parallel signal into a serial signal. As a result, the distance between the drive circuit and the SERDES circuit is narrowed, so that the optical transmission characteristics are improved.
- the metal cap 33 and the main body 21 may be integrated.
- the ESD resistance and EMC resistance of the entire connector 1 can be improved.
- the cost can be reduced by reducing the number of parts, and the manufacturing time can be shortened by reducing the number of man-hours at the time of manufacturing.
- the receptacle 20 In the receptacle 20, four holding members are provided, but five or more holding members may be provided. In this case, since the plug 10 and the receptacle 20 are fitted at a plurality of locations, the fitting force can be further increased. Moreover, it is necessary to provide a plurality of notches in the main body 21 so that the holding member and the main body 21 do not come into contact with each other.
- two spring terminals are provided, but only one spring terminal may be provided. This is because even a single spring terminal can be connected to the external terminals 16a and 16b and the land (not shown) of the circuit board 40 if it has a contact portion and a fixing portion at both ends thereof. .
- the circuit element 31 may be provided in the plug 10. This eliminates the need to provide a circuit portion on the circuit board 40. Further, transmission characteristics can be improved and stabilization can be achieved.
- optical fibers 50 and photoelectric conversion elements 12 mounted on the plug 10. Thereby, the transmission capacity can be increased. Moreover, the optical fiber 50 and the photoelectric conversion element 12 may be arrayed.
- the optical fiber 50 may be not only a quartz fiber but also an organic optical waveguide or POF (Plastic Optical Fiber). These optical transmission paths can be selected according to the application.
- the present invention is useful for receptacles and connectors, and is particularly excellent in that the fitting force with a plug is strong and the height can be reduced.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
まず、本発明の一実施形態に係るレセプタクルを備えたコネクタの概略構成について説明する。図1は、本発明の一実施形態に係るコネクタ1の外観斜視図である。図2は、コネクタ1からプラグ10を分離した外観斜視図である。図3は、プラグ10の分解斜視図である。図4は、本体21及び電気回路部30が回路基板40に実装される様子を表した図である。
図5は、レセプタクル20の分解斜視図である。図6は、レセプタクル20を裏面から見た図である。レセプタクル20は、図5に示すように、本体21、ばね端子23a,23b、絶縁部25、固定部材29及び保持部材70~73を含んでおり、回路基板40上に実装されている。レセプタクル20には、プラグ10がz軸方向の正方向側(上方)から装着される。本体21、固定部材29及び保持部材70~73は、1枚の金属板が折り曲げられることによって構成されている。
レセプタクル20によると、保持部材70~73によってプラグ10がレセプタクル20に固定されているので、プラグ10とレセプタクル20との嵌合力を強くすることができる。以下に図面を参照しながら説明する。図8(a)は、プラグ10とレセプタクル20とがプラグ10の4隅で嵌合されている場合の嵌合力の説明に用いる図である。図8(b)は、プラグ210とレセプタクル220とがプラグ210の4隅以外で嵌合されている場合の嵌合力の説明に用いる図である。
M1=F1L1-F2L2…(1)
M2=F1L1-F2L3…(2)
以上のように構成されたレセプタクル20及びコネクタ1は、前記実施形態に示したものに限らない。したがって、レセプタクル20及びコネクタ1は、その要旨の範囲内において変更可能である。図11は、その他の実施形態に係るコネクタ1が用いられた送受信システムの概略構成図100aである。
10 プラグ
12 光電変換素子
13 搭載部
15 封止樹脂
16a,16b 外部端子
17 フェルール
18 金属部材
19a,19b 端子部
20 レセプタクル
21 本体
23a,23b ばね端子
25 絶縁部
29 固定部材
30 電気回路部
31 回路素子
33 金属キャップ
40 回路基板
41 孔
43 実装面
50 光ファイバ
52 被覆
54 芯線
70~73 保持部材
80~83 凹部
100 送受信システム
Claims (11)
- 光ファイバの一端に設けられ、上方から見たときに長方形状をなしているプラグが装着されるレセプタクルであって、
前記レセプタクルは、
前記プラグが上方から装着される開口であって、上方から見たときに、第1の辺、第2の辺、第3の辺及び第4の辺によって囲まれている長方形状の開口が設けられている本体と、
互いに平行な前記第3の辺及び前記第4の辺の両端に位置し、かつ、前記プラグを固定する第1の保持部材、第2の保持部材、第3の保持部材及び第4の保持部材と、
前記プラグと電気的に接続される第1のばね端子であって、上方から見たときに、折り返し部を有するU字状をなしている第1のばね端子と、
を含んでおり、
前記折り返し部の先端は、前記第3の辺よりも前記開口の外側に位置し、
前記第1のばね端子の一端は、上方から見たときに、前記開口内に位置し、
前記第1のばね端子の他端は、上方から見たときに、前記第1の辺よりも前記開口の外側に位置し、
前記第1のばね端子において、上方から見たときに、該第1のばね端子から最も近い位置にある前記第1の保持部材と対向している部分は、該第1の保持部材から遠ざかる方向に曲がっていること、
を特徴とするレセプタクル。 - 前記第1の保持部材、前記第2の保持部材、前記第3の保持部材及び前記第4の保持部材は、前記第3の辺または、前記第4の辺が延在する方向から見たときにU字状をなしており、
前記第1の保持部材、前記第2の保持部材、前記第3の保持部材及び前記第4の保持部材の一端は、前記本体に接続され、
前記第1の保持部材、前記第2の保持部材、前記第3の保持部材及び前記第4の保持部材の他端は、前記開口内に位置していること、
を特徴とする請求項1に記載のレセプタクル。 - 前記本体において、前記第3の辺または前記第4の辺には、前記開口から外側へ向かって窪んでいる4つの切り欠きが設けられており、
前記第1の保持部材、前記第2の保持部材、前記第3の保持部材及び前記第4の保持部材の他端は、前記切り欠き内に位置していること、
を特徴とする請求項1または請求項2のいずれかに記載のレセプタクル。 - 前記切り欠きでは、前記第3の辺及び前記第4の辺から遠ざかるにつれて、該第3の辺及び該第4の辺が延在している方向の幅が狭くなっていること、
を特徴とする請求項3に記載のレセプタクル。 - 前記第1の保持部材、前記第2の保持部材、前記第3の保持部材及び前記第4の保持部材の他端において、前記第3の辺または前記第4の辺が延在している方向の幅は、該第1の保持部材、該第2の保持部材、該第3の保持部材及び該第4の保持部材の一端において該第3の辺または該第4の辺が延在している方向の幅に比べて、狭くなっていること、
を特徴とする請求項1ないし請求項4のいずれかに記載のレセプタクル。 - 前記レセプタクルは、
前記第1のばね端子を前記本体に固定する絶縁部材を、
更に含んでいること、
を特徴とする請求項1ないし請求項5のいずれかに記載のレセプタクル。 - 前記第1のばね端子は、
前記第1のばね端子から最も近い位置にある前記第1の保持部材と対向している第1のばね部材と、
上方から見たときに、前記第1のばね部材と同方向に折り曲げられている板ばねからなる第2のばね部材と、
前記第1のばね部材と前記第2のばね部材とを接続する折り返し部と、
前記第2のばね部材の端部のうち、前記折り返し部が接続されていない方の端部に接続され、外部端子として機能する固定部と、
前記第1のばね部材の端部のうち、前記折り返し部が接続されていない方の端部に接続され、前記プラグに接触する接触部と、
によって構成されていること、
を特徴とする請求項1ないし請求項6のいずれかに記載のレセプタクル。 - 前記第1のばね端子の一端は、前記第1の辺が延在している方向から見たときに、逆U字状をなし、前記プラグに接触していること、
を特徴とする請求項7に記載のレセプタクル。 - 上方から見たときに、前記第1のばね端子と、光ファイバが延在している方向に対して線対称に構成されている第2のばね端子を、
更に備えていること、
を特徴とする請求項1ないし請求項8のいずれかに記載のレセプタクル。 - 請求項1ないし請求項9のいずれかに記載のレセプタクルと、
前記レセプタクルの上方から装着されるプラグとを、
備えていること、
を特徴とするコネクタ。 - 前記プラグには、前記第1の保持部材、前記第2の保持部材、前記第3の保持部材及び前記第4の保持部材が係合する凹部が、設けられていること、
を特徴とする請求項10に記載のコネクタ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800571430A CN103229361A (zh) | 2010-12-28 | 2011-09-28 | 插座以及连接器 |
KR1020137016817A KR101440023B1 (ko) | 2010-12-28 | 2011-09-28 | 리셉터클 및 커넥터 |
JP2012550754A JP5454705B2 (ja) | 2010-12-28 | 2011-09-28 | レセプタクル及びコネクタ |
EP11853397.5A EP2660935A4 (en) | 2010-12-28 | 2011-09-28 | RECEPTACLE AND CONNECTOR |
US13/915,544 US20130279857A1 (en) | 2010-12-28 | 2013-06-11 | Receptacle and connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010-291981 | 2010-12-28 | ||
JP2010291981 | 2010-12-28 |
Related Child Applications (1)
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US13/915,544 Continuation US20130279857A1 (en) | 2010-12-28 | 2013-06-11 | Receptacle and connector |
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WO2012090561A1 true WO2012090561A1 (ja) | 2012-07-05 |
Family
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PCT/JP2011/072240 WO2012090561A1 (ja) | 2010-12-28 | 2011-09-28 | レセプタクル及びコネクタ |
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US (1) | US20130279857A1 (ja) |
EP (1) | EP2660935A4 (ja) |
JP (2) | JP5454705B2 (ja) |
KR (1) | KR101440023B1 (ja) |
CN (1) | CN103229361A (ja) |
WO (1) | WO2012090561A1 (ja) |
Cited By (4)
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WO2014068938A1 (ja) * | 2012-11-01 | 2014-05-08 | パナソニック株式会社 | 光電気変換装置用ヘッダおよびそれを備えた光電気変換装置 |
CN112379493A (zh) * | 2021-01-07 | 2021-02-19 | 高莲花 | 一种光模块安装单位以及光模块 |
JP2021026863A (ja) * | 2019-08-02 | 2021-02-22 | ヒロセ電機株式会社 | コネクタ組立体 |
JP7076411B2 (ja) | 2019-08-02 | 2022-05-27 | ヒロセ電機株式会社 | コネクタ組立体 |
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KR20130061756A (ko) * | 2010-11-05 | 2013-06-11 | 가부시키가이샤 무라타 세이사쿠쇼 | 커넥터 |
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JP2021026863A (ja) * | 2019-08-02 | 2021-02-22 | ヒロセ電機株式会社 | コネクタ組立体 |
JP7076410B2 (ja) | 2019-08-02 | 2022-05-27 | ヒロセ電機株式会社 | コネクタ組立体 |
JP7076411B2 (ja) | 2019-08-02 | 2022-05-27 | ヒロセ電機株式会社 | コネクタ組立体 |
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Also Published As
Publication number | Publication date |
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EP2660935A1 (en) | 2013-11-06 |
KR101440023B1 (ko) | 2014-09-12 |
EP2660935A4 (en) | 2014-12-10 |
JP2014096377A (ja) | 2014-05-22 |
KR20130103581A (ko) | 2013-09-23 |
US20130279857A1 (en) | 2013-10-24 |
JP5454705B2 (ja) | 2014-03-26 |
CN103229361A (zh) | 2013-07-31 |
JPWO2012090561A1 (ja) | 2014-06-05 |
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