CN2651961Y

CN2651961Y - Electric connector

Info

Publication number: CN2651961Y
Application number: CNU032598270U
Authority: CN
Inventors: 黄建勋
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-07-24
Filing date: 2003-07-24
Publication date: 2004-10-27
Anticipated expiration: 2013-07-24

Abstract

The utility model discloses an electric coupler, which comprises a lengthwise insulating main body, a plurality of conducting terminals accommodated in the insulating main body, a drive part assembled with the insulating main body and a metal shell to wrap the insulating main body. The insulating main body wherein comprises a lengthwise substrate and clamping arms extended from both sides of the substrate. The clamping arm wherein is provided with a locating part connected with the substrate and an arm extended from the locating part. The substrate is arranged with a plurality of terminal grooves to accommodate conducting terminals. The upper end of the substrate towards the terminal groove is positioned with a plurality of T-shaped convex blocks. Positions of the metal shell towards the clamping arm and the convex blocks are respectively arranged with a reinforcing arm and a T-shaped groove. In addition, the position of the reinforcing arm towards the clamping arm is arranged with a hollow holding part to wrap the arm. When the electric coupler is assembled, the metal shell is respectively assembled with the clamping arm and the T-shaped convex block on the insulating main body through the reinforcing arm and the T-shaped groove on the metal shell to assemble the metal shell on the insulating main body, thus enhancing strength of the insulating main body.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, refers to a kind of electric connector that is used to electrically connect flexible PCB especially.

[background technology]

Along with, the continuous development of electronic technology, flexible circuit board connector is applied in the electronic installations such as mobile phone, keyboard, hard disk drive, facsimile machine more and more widely.As formation, the design of flexible PCB connector terminals and several development trend that is installed in the flexible circuit board electrical connector on the printed circuit board (PCB) of promptly having introduced flexible PCB among " History of FFC/FPC " (Connector Specifier, Februray 2001).But, existing flexible PCB electric connector structure complexity, and connector is lower to the positioning accuracy of flexible PCB.United States Patent (USP) the 5th as bulletin on September 7th, 1999,947, two kinds of jockeys that are used between flexible PCB and the motherboard have been disclosed for No. 764, its first kind of device is to utilize the elastomer with two screwed holes, when elastomer group is contained on the motherboard, by elastomer the contact mat of contact mat on motherboard of flexible PCB end is pressed on the electric connection of reaching the two, though the structure of this kind device is simple, but its assembling is loaded down with trivial details, and must position by the end of aid, can not be used for the limited occasion of assembling space again flexible PCB; Its second kind of device is to utilize a kind of electric connector combination that includes the plug and socket connector, and the combination of this kind electric connector also has complex structure, assembling is loaded down with trivial details and cost is high defective.

United States Patent (USP) the 5th as bulletin on October 19th, 1999,967, disclosed the jockey of another flexible PCB and motherboard for No. 831, it includes a socket connector and a guide member, the fluting that it is bent into flexible PCB U-shaped and places socket connector earlier, again the insertion section of guide member is inserted in the formed U-lag of flexible PCB, reach electric connection between flexible PCB and socket connector by the extruding of insertion section, but because the flexibility of flexible PCB itself, make it when placing the fluting of socket connector, can not obtain good location, and the insertion section also might influence the locating effect of flexible PCB during insertion, promptly make the contact mat of flexible PCB both sides misplace, thereby influence the electrical transmission between flexible PCB and socket connector with corresponding conducting terminal.

United States Patent (USP) the 5th as bulletin on December 3rd, 1996,580, No. 272, the United States Patent (USP) the 5th that on December 9th, 1997 was announced, 695, No. 360 and August 28 calendar year 2001 bulletin United States Patent (USP) the 6th, 280, disclosed the flexible circuit board electrical connector of another kind of structure for No. 217, these electric connectors have generally included an insulating body, be contained in the plurality of conductive terminals in the insulating body and be articulated in actuator on the insulating body, when actuator is positioned at primary importance, the end of flexible PCB is inserted the receiving space of insulating body, again actuator is rotated on the second place, reach electric connection between flexible PCB and electric connector by compressing of actuator.Yet because the volume size of the electric connector of this kind structure is less, thereby actuator easily makes the rotation Support Position of insulating body both sides break because of its insufficient strength, thereby causes electric connector normally to use when insulating body rotates repeatedly.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector for the flexible PCB grafting, and it can increase the intensity of insulating body, and guarantees the electric connector of the reliable mechanical performance of electric connector.

The purpose of this utility model is achieved in that a kind of electric connector that is used to connect flexible PCB, and it mainly comprises: lengthwise shape insulating body, be contained in plurality of conductive terminals in the insulating body, the actuator that is connected with group with insulating body and be coated on metal shell on the insulating body.Insulating body comprises that lengthwise shape matrix reaches by the extended card arm in the relative both sides of matrix, this card arm have the location division that links to each other with matrix and with by the extended arm in this location division, matrix is provided with the plurality of terminals groove with ccontaining conducting terminal, on matrix, be provided with some T-shape projections with the opposed end of terminal containing slot, and metal shell is respectively equipped with reinforcement arm and T-shape groove corresponding to card arm and bump position, and the arm position corresponding to the card arm on this reinforcement arm is provided with the containing portion of hollow to coat arm.

Compared with prior art, the utlity model has following advantage: when electric connector in when combination, this metal shell by reinforcement arm provided thereon and T-shape groove respectively with insulating body on card arm and T-shape projection combined, thereby metal shell is combined on the insulating body to increase the intensity of insulating body.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the three-dimensional combination figure of the utility model electric connector.

Fig. 3 is the three-dimensional exploded view of another angle of the utility model electric connector.

Fig. 4 is the three-dimensional exploded view of another angle of the utility model electric connector.

[embodiment]

See also Fig. 1 to Fig. 4, the utility model electric connector 1 is to be used to electrically connect flexible PCB, and it mainly includes lengthwise shape insulating body 2, be contained in plurality of conductive terminals 3, rotation in this insulating body 2 is assembled in the actuator 4 on this insulating body 2 and is coated on metal shell 5 on this insulating body 2.

Insulating body 2 is a lengthwise shape constructed in plastic material, it has a lengthwise shape matrix 20 and blocks arms 21 by these matrix 20 relative both sides extended two, be provided with plurality of terminals groove 200 with ccontaining conducting terminal 3 in matrix 20 leading sections, matrix 20 has the upper surface 201 that is connected with group with metal shell 5 and reaches and these upper surface 201 opposed lower surfaces 203, be provided with some spaced T-shape projections 202 in matrix 20 upper surfaces 201 near the rearward end positions, and in matrix 20 lengthwises to and be respectively equipped with groove 205 near sidewall 204 end positions of rearward end.Card arm 21 have the location division that links to each other with matrix 20 210 and and by this location division 210 away from the extended arm 212 of matrix 20 1 ends, and location division 210 is along the height height of insulating body 20 with the aspect ratio arm 212 of metal shell 5 combined directions, wherein location division 210 close arm 212 1 ends are provided with the location notch 211 of tool envelope profile, and this location notch 211 is to be used to accommodate actuator 4 so that actuator 4 can be around insulating body 2 rotations.

Actuator 4 rotations are installed on the insulating body 2, the rotation section 41 that it has a lengthwise shape board 40, stretched out by these board 40 two ends and bury molding mode with edge and be assembled in metal reinforced sheet 42 on the board 40, this metal reinforced sheet 42 is the intensity that is used to increase board 40.Board 40 is provided with and is used for flexible PCB (not shown) and is crimped to and makes flexible PCB and electric connector 1 form crimping face 400 that electrically conducts and the opposite 402 that is oppositely arranged with this crimping face 400 on the conducting terminal 3, and crimping face 400 is provided with the protuberance 401 (consulting shown in Figure 3) of the crimping face of protruding from 400, and rotation section 41 is contained in the location notch 211 of card arm 21, its structure is identical with the structure of location notch 211, thereby make that actuator 4 can be around insulating body 2 rotations, and metal reinforced sheet 42 have edge be embedded in the board 40 lengthwise shape base portion 420 and by these base portion 420 two ends perpendicular to base portion 420 kinks 421 of bending downwards, be respectively equipped with the projection 422 of polygonal structure in the centre position of two kinks 421.

Metal shell 5 is coated on the upper surface 201 of matrix 20 of insulating body 2, matrix 20 and card arm 21 positions corresponding to insulating body 2 on this metal shell 5 are respectively equipped with combination section 50 and strengthen arm 51, and in being respectively equipped with T-shape groove 500 and ground strip 501 corresponding to T-shape projection 202 on the matrix 20 and groove 205 positions on the combination section 50, this ground strip 501 is used for the electric current ground connection on the metal shell 5.And strengthen arm 51 be provided be bent into hollow cylindrical in order to the containing portion 510 of the arm 212 of accommodating card arm 21 and connect the connecting portion 513 of this containing portion 510 and combination section 50, be formed with a cavity 511 in the middle of this containing portion 510, be provided with recess 512 corresponding to projection 422 positions on the metal reinforced sheet 42 of actuator 4 in the containing portion 510, connecting portion 513 is an elongate sheet metal, it is provided with bending buckling piece 514 near 50 positions, combination section, these buckling piece 514 hooks are on location division 210, and connecting portion 513 then is connected on the sidewall of location division 210 of card arm 21 to increase the intensity of location division 210.

Please in conjunction with consulting Fig. 1 to Fig. 4, when this electric connector 1 in when assembling, earlier conducting terminal 3 is inserted in the insulating body 2 along terminal groove 200 directions, then the T-shape projection 202 of the T-shape groove 500 on the combination section 50 of metal shell 5 on the matrix 20 of insulating body 2 is combined in, ground strip 501 on the combination section 50 is fastened mutually with groove 205 on the matrix 20, and the arm 212 that makes card arm 21 inserts in the containing portion 510 formed cavitys 511, this moment, arm 212 will be coated by containing portion 510 fully, and buckling piece 514 with hook on the location division 210 on the card arm 21 of insulating body 2, connecting portion 513 will be connected on the sidewall of location division 210, at last the rotation section 41 of actuator 4 is snapped in the location notch 211 on the card arm 21 of insulating body 2, be snapped in the recess 512 in the containing portion 510 and be located at projection 422 on the kink 421 of metal reinforced sheet 42, this promptly finishes the assembling of this electric connector 1, and this moment, actuator 4 can rotate around the location notch on the insulating body 2 211.Metal shell 5 is coated on the matrix 20 and card arm 21 of insulating body 2, thereby can increase the intensity of insulating body 2, prevents that insulating body 2 from rupturing because of its insufficient strength when it rotates at actuator 4.

When electric connector 1 and flexible PCB (not shown) are combined, earlier actuator 4 being rotated makes it keep vertically perpendicular to insulating body 2 directions, this moment is with in the opening (not label) of flexible PCB with the leading section of zero insertion force insertion insulating body 2, conducting strip on the flexible PCB does not also contact with the contact site of conducting terminal 3 fully at this moment, after flexible PCB inserts fully, this moment rotating drive part 4 and make it get back to horizontal level from vertical position, protuberance 401 on the board 40 of actuator 4 will push flexible PCB and flexible PCB is crimped on the conducting terminal 3 tightly at this moment, this moment flexible PCB conducting strip will because of the contact site fluid-tight engagement of the squeezing action of actuator 4 and conducting terminal 3 together, thereby form the electric connection of 1 of flexible PCB and electric connector.

By by above-mentioned metal shell 5 structures, thereby in the time of can preventing that flexible PCB and electric connector 1 from electrically conducting repeatedly or electrically disconnecting, insulating body 2 causes insulating body 2 because of its insufficient strength phenomenon of rupture to take place because of actuator 4 rotates repeatedly, and then can guarantee electric connector 1 reliable mechanical performance.In addition, this metal shell 5 is provided with ground strip 501, thereby can work as flexible PCB and electric connector 1 when electrically conducting transmission signals, this metal shell 5 can be got rid of the electromagnetic interference that electric connector 1 is produced by the ground connection effect of ground strip 501, thereby can play good shielding action to electric connector 1.

Claims

1. electric connector, it is used to electrically connect flexible PCB, comprise insulating body, be contained in the plurality of terminals in this insulating body, rotation is installed on the actuator on the insulating body and is combined in metal shell on the insulating body, the card arm that has matrix on the insulating body and extend by this matrix opposite end, be provided with the combination section corresponding to matrix location on the metal shell, it is characterized in that: matrix is provided with some projections, and card arm and the bump position corresponding to insulating body is respectively equipped with reinforcement arm and groove on the metal shell, and this strengthens arm and groove can be combined with card arm and projection respectively.

2. electric connector as claimed in claim 1 is characterized in that: projection system is the T-shape structure, and groove also is the T-shape structure.

3. electric connector as claimed in claim 1 is characterized in that: strengthen arm and be provided with containing portion with hollow containing cavity and the connecting portion that connects containing portion and combination section.

4. electric connector as claimed in claim 1, it is characterized in that: the combination section is provided with ground strip.

5. electric connector as claimed in claim 3 is characterized in that: connecting portion is an elongate sheet metal, and it has installed buckling piece near combination part.

6. electric connector as claimed in claim 3 is characterized in that: the centre position of containing portion is provided with recess.

7. electric connector as claimed in claim 4 is characterized in that: be provided with groove corresponding to the ground strip position on the insulating body.

8. electric connector as claimed in claim 1 is characterized in that: actuator is provided with the metal reinforced sheet.

9. electric connector as claimed in claim 6 is characterized in that: be provided with projection corresponding to the recess position on the metal reinforced sheet.

10. electric connector as claimed in claim 9 is characterized in that: the metal reinforced sheet is to bury molding mode with edge to be combined on the actuator.