Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
  • H01R12/70—Coupling devices
  • H01R12/71—Coupling devices for rigid printing circuits or like structures
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
  • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
  • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
  • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
  • H01R12/70—Coupling devices
  • H01R12/71—Coupling devices for rigid printing circuits or like structures
  • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
  • H01R12/716—Coupling device provided on the PCB
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
  • H01R12/70—Coupling devices
  • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
  • H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
  • H01R12/70—Coupling devices
  • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
  • H01R12/7011—Locking or fixing a connector to a PCB
  • H01R12/707—Soldering or welding

Definitions

• the present invention relates to an electrical connector for a circuit board that is used by being attached to a circuit board.
• the connector of Patent Document 1 is formed by the housing 51 by pressing the held portion 52A of the terminal 52 into the groove of the housing 51 of the connector 50.
• One end (the left end in the figure) is bent in a U shape and has a contact portion 52B at its free end, and the other end is L-shaped and protrudes out of the housing to form a connection portion 52C at the lower end. is doing.
• the power connector 50 is arranged on the circuit board P, and the connection part 52C is soldered to the corresponding circuit part P1 of the circuit board P.
• the mating connector 60 fitted and connected to the connector 50 holds the coaxial cable C extending rightward between the portion 61 A of the insulator 61 and the cover-like ground plate 62.
• the other portion 61B of the insulator 61 holds the bent central conductor C1 of the coaxial cable C and the U-shaped terminal 63.
• One end 63A of the terminal 63 is between the central conductor C1 and the other portion 61B of the insulator 61 and contacts the central conductor C1, and the other end is connected to two kinds of tongue pieces 63B and 63C.
• the tongue 63B is in contact with the central conductor C1
• the tongue 63C is in contact with the contact portion 52B of the terminal 52 of the connector 50.
• the ground plate 62 of the connector 60 includes an upper plate portion 62A and a side plate portion 62B along the left side surface of the housing.
• the side plate portion 62B extends to the position of the surface of the circuit board P.
• Patent Document 1 JP 2000-317331 A
• the connector 60 is fitted and connected to the connector 50. At this time, the ground plate 62 of the connector 60 shields many surrounding parts.
• an object of the present invention is to provide an electrical connector for a circuit board that can shield a terminal connection portion.
• the present invention is an electrical connector mounted on a circuit board, and extends in the longitudinal direction of the housing for receiving the mating connector in the longitudinal direction to form a fitting recess in the housing that opens upward.
• a contact portion of a terminal for connection to a mating terminal is arranged on the inner side surface of one side wall portion, and a connection portion for connection to a circuit board is arranged on the outer side surface, respectively, and is arranged on the outer side surface of the housing in the longitudinal direction.
• an electrical connector in which a ground plate is attached to the housing.
• the ground plate is provided at least along both outer side surfaces of the housing in the longitudinal direction, and one ground plate is on the terminal connection portion side, It is characterized in that it is arranged with a space between the outer surface and a space that allows connection with the circuit board of the connection portion is formed within the space.
• one ground plate has a contact portion for contact with the mating ground plate.
• the ground plate improves the shielding effect together with the mating ground plate, and is easily grounded through the contact portion.
• the ground plate has two attachment portions attached to the housing from above at both ends in the longitudinal direction of the housing, and one side facing both side surfaces of the housing across the both ends. And the other ground main body part and a connecting part that connects each ground main body part to the mounting part at both ends.
• the main body portion and the connecting portion can be made by processing a single metal plate.
• the ground can be made as a single member, which simplifies the manufacture and reduces the number of parts, facilitating the management of the parts.
• the mounting portion is formed so as to be fitted to the housing, and the connecting portion is formed so as to be in contact with the circuit board.
• soldering or the like is performed here by the contact surface with the circuit board at the connecting portion, the holding of the connector on the circuit board is strong, and the ground is It will be certain.
• the ground plate is provided at least on both outer side surfaces of the housing in the longitudinal direction, and is in a direction perpendicular to the longitudinal direction and parallel to the circuit board when fitted to the mating connector.
• the mating connector force can be rubbed so that the ground plate on the extending direction side of the extending cable has at least a notch that avoids interference with the cable.
• the mating connector has a cable parallel to the surface of the circuit board. Even so-called L-type connectors are shielded by the presence of the above cable! /, And the shielding effect is greatly improved compared to conventional connectors.
• the contact portion of one ground plate is formed of an elastic tongue piece bent toward the corresponding outer side surface of the housing, and the elastic tongue piece is in elastic contact with the mating ground plate. Can do. Since the elastic tongue piece is provided between the ground plate and the outer surface of the housing, if the distance is increased due to the elastic tongue piece, it is not possible to!
• the ground plates are respectively provided so as to face both outer side surfaces extending in the longitudinal direction of the sleeve and the uging, in combination with the ground plate of the mating connector, Nearly perfectly, both connectors are surrounded by a ground plate to improve the shielding effect.
• one of the dust boards is located outside the terminal connection portion, and allows connection to the circuit board of the connection portion at a distance between the ground plate and the housing outer surface. The shield effect on the connection side can be kept almost perfect.
• FIG. 1 is a perspective view of a connector with a ground plate as one embodiment of the present invention. It is the figure which abbreviate
• FIG. 2 is a plan view of the connector of FIG. 1. Like FIG. 1, the ground plate is omitted from the left half of the connector in the longitudinal direction.
• FIG. 3 is a cross-sectional view taken along line III-III in FIG.
• FIG. 4 is a cross-sectional view taken along line IV-IV in FIG.
• FIG. 5 is a side view showing the connector of FIG. 1 together with the mating connector.
• FIG. 6 is a cross-sectional view of the connector of FIG. 1 at the terminal position when the mating connector is fitted, (A) without a ground plate and (B) with a ground plate.
• FIG. 7 is a cross-sectional view of a conventional connector.
• FIG. 1 is a perspective view showing the whole connector of the present embodiment
• FIG. 2 is a plan view thereof, and in both figures, the ground plate attached to the connector is not shown in the left half of the connector in the longitudinal direction. ing.
• the connector 1 is arranged on a circuit board (not shown), and extends to the left and right as shown. This connector 1 is formed by selectively attaching a ground plate 30 to the connector body 10! /.
• the connector body 10 has a plurality of terminals 20 on one outer surface 12 side of both outer surfaces 12 and 13 positioned in the longitudinal direction of a housing 11 made of an electrically insulating material and extending in the lateral direction. Planted at regular intervals.
• the housing 11 is formed with a fitting recess 14 that opens up to the vicinity of both ends in the longitudinal direction, and one of the peripheral walls that form the fitting recess 14 extends in the longitudinal direction. Terminals 20 are arranged on the side wall 15.
• the fitting recess 14 is located in the central portion in the width direction perpendicular to the longitudinal direction, and as shown in FIG. 3 showing a cross-sectional view taken along line ⁇ ⁇ ⁇ ⁇ in FIG. It is thin and deep enough to leave the bottom wall 11A.
• the fitting recess 14 is located on the inner side of the one side wall 15 in the vertical range where the positional force of the upper opening 14A reaches the bottom 14B which is the upper surface of the bottom wall 11A.
• the recessed receiving groove 16 is formed at a position corresponding to the terminal.
• the receiving groove 16 has an immersion depth that accommodates most of the elastic arm portion of the terminal described later.
• Shallow grooves 17 connected to the receiving grooves 16 are also formed on the upper end surface and the outer surface of the side wall portion 15.
• the terminal 20 attached to the housing 11 and the housing 11 in the housing groove 16 and the groove 17 is formed by bending a thin metal plate strip with respect to the plate surface, and a surface perpendicular to the plate surface.
• the cross-sectional shape at is substantially S-shaped.
• This terminal has a substantially S-shape as a whole by continuously having an inverted U-shaped portion and a U-shaped portion.
• the terminal 20 includes an inverted U-shaped fitting part 21, a U-shaped elastic arm part 22 connected thereto, and a connecting part extending from the lower end of the fitting part 21. And 23.
• the fitting portion 21 is press-fitted into the receiving groove 16 from above, and the terminal 20 is fixedly held on the housing 11.
• the bottom end force of the fitting portion 21 outside the housing 11 The connection portion 23 bent and extended in the lateral direction is at the same level as the bottom surface of the housing 11, and when the connector is arranged on the circuit board, the circuit board It comes in contact with the corresponding circuit part of the.
• the elastic arm portion 22 is bent upward by a lower force of the fitting portion 21 fitted in the receiving groove 16, and has elasticity to make this portion flexible. .
• the free end portion which is the upper end side of the elastic arm portion 22, has a contact portion 22 A that is bent in a convex shape toward the outside of the housing groove 16.
• This contact portion 22A has a slightly protruding inner side surface 14C force toward the inside of the fitting recess 14, and when the mating connector is fitted into the fitting recess 14, the mating connector receives a pressing force from the mating connector and receives the receiving groove. It is elastically displaced to the position of the inner side surface 14C toward the inside of 16.
• the terminal 20 on the outer side surface portion of the winging has a portion in which the fitting portion 21 is accommodated in the groove 17 and slightly protrudes from the opening edge of the groove 17 so as to contact the terminal of the mating connector.
• a contact portion 21A is formed, and as a preferred form, a protrusion 21A1 is formed that ensures contact with the mating connector and provides a locking function.
• the housing 11 has ground plate mounting portions 11B as seen in Fig. 4 showing a cross section taken along line IV-IV in Fig. 2 at both ends in the longitudinal direction.
• the ground plate 30 attached to the ground plate mounting portion 11B is made by, for example, punching and bending a single metal plate, and each of the housings 11 can be seen as shown in FIGS. Outside surface 1 2 and 13, and ground parts 31 and 32, and connecting parts 34 and 35 that connect the ground parts 31 and 32 and the attachment part 33.
• the connecting portions 34 and 35 are connected to the lower portion of the mounting portion 33 attached to the ground plate mounting portion 11B and the ground main body portions 31 and 32 so as to be in contact with the circuit board at both longitudinal end positions of the housing 11. They are connected at the bottom.
• a mounting hole 36 is formed in the connecting portion 35.
• the ground main body 31 has a surface substantially parallel to the other outer surface 13 of the housing 11 and is spaced from the outer surface 13.
• the upper edge of the ground body 31 is substantially at the same level as the upper surface of the housing 11, and a curved protrusion 31A is provided above the upper edge of the ground body 31 only at both ends in the longitudinal direction. . Therefore, the upper edge of the ground main body 31 does not interfere with the cable extending in the horizontal direction of the mating connector force on the ground main body 31 side when the mating connector is fitted. That is, since the upper edge is at the upper surface position of the housing 11, the extension of the cape is allowed at the upper position.
• a notch is formed only at a position where the cable extends, and the upper edge is further moved upward, for example, the bent protrusion is moved to the notch position. Except for this, it may be formed in the entire longitudinal range.
• the ground body portion 32 has a surface substantially parallel to the one outer surface 12 of the housing 11, and a gap is formed between the outer surface 12. The This interval is set larger than the interval in the case of the ground main body 31.
• the connection portion 23 of the terminal 20 is located in the space between the ground main body portion 32 and the outer surface 12 of the housing 11.
• the ground main body 32 and the mounting portion 33 are connected to each other in the longitudinal direction, that is, in the same direction by the connecting portion 35 in the terminal absence region. A space is formed, and the connecting portion 23 can be in contact with the corresponding circuit portion of the circuit board.
• the ground main body portion 32 has two kinds of bent portions 32A and 32B alternately directed in the longitudinal direction at the upper edge thereof.
• One bent portion 32A is wide, and the other bent portion 32B is narrow.
• the other bent portion 32B is directed inwardly than the one bent portion 32A and extends obliquely to form an elastic tongue piece.
• the elastic tongue piece is connected to the mating ground plate when the mating connector is fitted. Repressive contact against The contact portion is formed.
• the mounting portion 33 has an inverted U shape as seen in FIG. 4 so as to be fitted to the ground plate mounting portions 11B provided at both ends in the longitudinal direction of the housing 11.
• the outer surface of the inverted U-shaped attachment portion 33 is also a portion where the engaging portion corresponding to the mating connector is engaged with the upper force.
• Such a mounting portion 33 has a lock portion on the outer surface of both shoulder portions.
• This lock portion has a protruding shape, and is composed of a main lock portion 37A located on the side where the cable of the mating connector extends and a sub-lock portion 37B located on the opposite side.
• the protrusion amount of the main lock portion 37A is larger than the protrusion amount of the sub lock portion 37B.
• the engagement amount force with the corresponding lock portion to the mating connector is set larger on the main lock portion 37A.
• This difference in the amount of protrusion is set in proportion to the difference in the magnitude of the force received by the mating connector force when the mating connector is to be removed by the force that lifts the cable.
• the housing 11 has a suction portion 40 at the center position in the longitudinal direction of the housing 11 on the other outer surface 13 side.
• the suction part 40 forms a part that is sucked by the suction member of the automatic machine when the connector is mounted and arranged at a predetermined position on the circuit board by the automatic machine, and the upper surface 40A is at the same level as the upper surface of the housing. It has a surface and protrudes in the width direction of the housing.
• the protruding side surface 40B of the adsorbing portion 40 is close to the ground body portion 31 described.
• mounting holes 41 for attaching the auxiliary adsorbing member are formed at both ends in the longitudinal direction.
• an auxiliary suction member for enlarging the suction surface is attached through the mounting hole 41.
• the suction part 40 is preferably provided within the width range of the mating connector.
• FIG. Fig. 6 is a diagram showing the usage state of the connector of this embodiment fitted with this mating connector, and Fig. 6 (A) shows the state of Fig. 6 (B) when the connector of this embodiment is used without a ground plate. ) Indicates when used with a ground plate.
• the coaxial cable C2 held between the insulator and a part of the ground plate C1 of the mating connector C with a cable indicated by a two-dot chain line is in the horizontal direction. It extends to the right.
• the central conductor C3 of cable C2 is connected to terminal C4.
• the terminal has an inverted U-shaped part and a U-shaped part, and has a substantially S-shape as a whole.
• On the outside of the connector A land plate CI is attached, and the ground plate C1 covers the upper surface of the connector and the outer surface excluding the side surface on the cable extension side.
• the mating connector C receives the terminal 20 of the connector of the present embodiment inside the inverted U-shaped portion of the terminal C4, and the U-shaped portion of the terminal C4 goes to the fitting recess 14 of the connector of the present embodiment. Get in.
• the connector according to this embodiment is used in the following manner.
• the connector 1 is sucked by the suction member 40 (suction surface 40A) of the connector 1 by the suction member of the automatic machine, and this is brought to a predetermined position on the circuit board.
• the terminal connection portion 23 is connected to the corresponding circuit portion of the circuit board by soldering.
• the connector 1 can be used in either a state in which the ground plate 30 is attached and a state in which only the portion that connects the ground ground without the ground plate to the board is provided.
• the ground plate 30 can be attached either before or after the connector is placed on the circuit board. When the ground plate 30 is used, it may be fixed to the circuit board by solder or the like in the mounting hole 36 shown in FIG.
• the mating connector C is fitted to the connector 1 as seen in FIGS.
• the terminal C4 of the mating connector C contacts the terminal 20 of the connector 1 with its inverted U-shaped part. That is, the terminal C4 comes into contact with the sub-contact portion 21A of the terminal 20 of the connector 1 at one straight portion of the inverted U-shaped portion and presses the contact portion 22A at the other straight portion opposed to the terminal C4.
• the contact portion 22A is crushed and sinks into the receiving groove 16.
• the U-shaped portion of the terminal C4 of the mating connector enters the bottom of the fitting recess 14. That is, the U-shaped portion of the terminal C4 enters downward to substantially the same position as the elastic arm 1 portion 22 of the terminal of the connector 1.
• the straight line portion that contacts the contact portion 22A has a longer contact path length in the fitting process, and can suppress the height of both connectors during fitting.
• the side cover is also connected to the connector in a wide range where the ground main body portions 31, 32 extend in the longitudinal direction of the connector 1.
• Cover 1 On the upper side, the ground plate C1 of the mating connector C covers both the connectors C and 1.
• the contact portion 32B formed as an elastic tongue piece contacts the ground plate C1 of the mating connector C and is electrically connected therewith.
• the cable C2 from which the mating connector C also extends is drawn out without interfering with the ground plate through the upper edge of the ground body 31.
• a lock portion (not shown) is engaged with the projecting lock portions 37A and 37B of the connector 1, and the connectors are prevented from being accidentally disconnected.
• the cable C2 receives an unintended force upward, as shown in FIG. 5, it receives a larger force than the lock portion 37B facing the lock portion 37A closer to the cable C2.
• the locking portion 37A has a larger amount of locking than the locking portion 37B, it can be appropriately opposed to the detachment of the connector in accordance with the above-described force distribution.
• the ground plate 30 is provided at both ends in the longitudinal direction, but may be provided in the housing 11. If the mating connector lock portion is provided on the mating ground plate, it is preferable to conduct with the locking portions 37A and 37B provided on the ground plate 30.
• the electrical connector for a circuit board according to the present invention can be used in an electronic device that is required to reduce the height on the circuit board when mounted on the circuit board.

Landscapes

• Details Of Connecting Devices For Male And Female Coupling (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37950734

Family Applications (1)

Country Status (7)

Families Citing this family (26)

Citations (3)

Family Cites Families (4)

• 2005
  • 2005-10-21 JP JP2005307086A patent/JP4349633B2/ja not_active Expired - Fee Related
• 2006
  • 2006-10-18 TW TW095138402A patent/TW200717931A/zh not_active IP Right Cessation
  • 2006-10-19 US US11/582,998 patent/US7207842B1/en not_active Expired - Fee Related
  • 2006-10-20 WO PCT/JP2006/320901 patent/WO2007046488A1/ja not_active Ceased
  • 2006-10-20 KR KR1020060102182A patent/KR20070043653A/ko not_active Withdrawn
  • 2006-10-20 EP EP06812069A patent/EP1950845A1/en not_active Withdrawn
  • 2006-10-23 CN CNB200610136579XA patent/CN100511868C/zh not_active Expired - Fee Related

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