CN2718816Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, mainly comprising an isolation body, a terminal accommodated in the isolation body, a driver connected with the isolation body, and a metal ear, wherein, the isolation body comprises a vertical basal body and a clamping part extended from the relative both sides of the basal body. The clamping part is provided with a clamping groove accommodating the metal ear and the driver and an accommodating groove. The metal ear is approximately in an 'F' shape, and comprises two holding parts held in the clamping groove and a connecting part connecting two holding parts. The driver comprises a pressing part and a rotary shaft extended outward from both ends of the pressing part. The pressing part and the rotary shaft are respectively provided with a convex part accommodated in the accommodating groove of the isolation body and a convex area connected with the connecting part of the metal ear. When the electric connector is combined, the driver is combined respectively with the accommodating groove and the connecting part through the convex part and the convex area arranged on the driver, and consequently the driver is positioned on the isolation body to prevent the driver falling off from the isolation body while in the motion state.

Description

Electric connector

[technical field]

The utility model refers to a kind of in order to electrically connect the electric connector of flexible PCB about a kind of electric connector especially.

[background technology]

Flexible circuit board connector is widely used in the electronic installations such as mobile phone, keyboard, hard disk drive, facsimile machine.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).Yet, existing flexible PCB electric connector structure complexity, and connector is lower to the positioning accuracy of flexible PCB.As US Pat.No.5,947, 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 it is assembled loaded down with trivial details and must position by the end of aid to flexible PCB, can not be used for the limited occasion of assembling space again; 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, the loaded down with trivial details and defect of high cost of assembling.

US Pat.No.5,967, 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.

US Pat.No.5,580, No. 272 and US Pat.No.6,280, disclosed the flexible circuit board electrical connector of another kind of structure for No. 217, these electric connectors generally include 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, refers to that especially a kind of actuator that prevents comes off from insulating body when motion state, and can guarantee the electric connector of its reliable mechanical performance.

The purpose of this utility model is achieved in that a kind of electric connector that is used to connect flexible PCB, actuator and metal ear that this electric connector mainly comprises lengthwise shape insulating body, be contained in plurality of conductive terminals in the insulating body, be connected with group with insulating body.Insulating body comprises that lengthwise shape matrix reaches by extended holding section, the relative both sides of matrix, this holding section is provided with the draw-in groove and the accepting groove of accommodating metal ear and actuator, metal ear roughly is " F " shape, it comprises the connecting portion that is immobilizated in two holding parts in the draw-in groove and connects two holding parts, actuator comprises the pressure contact portion of crimping flexible PCB and by the outward extending rotation axis in pressure contact portion two ends, the projection that this pressure contact portion and rotation axis have the protuberance in the accepting groove that is contained in insulating body respectively and connect with the connecting portion of metal ear.

Compared with prior art, the utlity model has following advantage: when electric connector in when combination, this actuator is combined with accepting groove and connecting portion respectively by protuberance provided thereon and projection, thereby actuator is positioned on the insulating body to prevent that actuator from coming off from insulating body when the motion state.

[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 actuator of the utility model electric connector when being in first movement position.

Fig. 3 is the three-dimensional combination figure of the actuator of the utility model electric connector when being in second movement position.

[embodiment]

See also Fig. 1 to shown in Figure 3, the utility model is in order to electrically connect flexible PCB, and it mainly includes lengthwise shape insulating body 2, is contained in the plurality of conductive terminals 3 in this insulating body 2, the metal ear 5 that rotation is assembled in the actuator 4 on this insulating body 2 and is combined in these insulating body 2 two ends.

Insulating body 2 is a lengthwise shape plastic cement structure, it has a lengthwise shape matrix 20 and reaches by these extended two holding sections 21, matrix 20 relative both sides, be provided with plurality of terminals groove 200 with ccontaining conducting terminal 3 in matrix 20 leading sections, matrix 20 is provided with the opening 201 of pegging graft for flexible PCB in its front end.Be interval with draw-in groove 210 on the holding section 21 and connect the tool envelope profile accepting groove 211 of this two draw-in groove 210, this draw-in groove 210 and accepting groove 211 are used to accommodate metal ear 5 and actuator 4 so that actuator 4 can be around insulating body 2 and metal ear 5 rotations, and holding section 21 is provided with square groove 212 towards the side of opening 201.

Actuator 4 rotatable being installed on the insulating body 2, it has a lengthwise shape pressure contact portion 40 and and these pressure contact portion 40 rotation axiss 41 combined and that stretch out from pressure contact portion 40 two ends.Pressure contact portion 40 is provided with and is used for flexible PCB (not shown) is crimped to the crimping face 401 that flexible PCB and electric connector 1 formation are electrically conducted, be interval with some raised lines 402 and notch 403 in this crimping face 401 1 ends, and the axostylus axostyle of rotation axis 41 runs through these raised lines 402, and the protuberance 404 that the two ends of this pressure contact portion 40 are respectively equipped with tool envelope profile corresponding to the accepting groove 211 and groove 212 positions of insulating body 2 and protrudingly collude 405, this protuberance 404 is run through at rotation axis 41 two ends, and extend circular-arc protruding 410 from these protuberance 404 1 ends, this projection 410 also is contained in the accepting groove 211 of insulating body 2, and projection 410 has certain drop with protuberance 404, thereby projection 410 can be connected on the metal ear 5.

Metal ear 5 is interfered in the draw-in groove 210 of the holding section 21 that is combined in insulating body 2, this metal ear 5 roughly is " F " shape, it includes and fastens with draw-in groove 210 and spaced two holding parts 50 and be connected this two holding parts 50 and from an extended connecting portion 51 of holding parts 50 1 ends, wherein holding parts 50 and connecting portion 51 vertical settings, two opposite ends of holding parts 50 are respectively equipped with protruding thorn 500, and draw-in groove 210 interference engagement of this protruding thorn 500 and insulating body 2 are to be positioned metal ear 5 on the insulating body 2.

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 pressure contact portion 40 of actuator 4 is gone on the insulating body 2 along the opening 201 direction groups of insulating body 2, protuberance 404 on the rotation axis 41 of being located at actuator 4 is snapped in the accepting groove 211 of holding section 21 of insulating body 2, collude 405 and snap in the groove 210 of holding section 21 and be located at protruding on pressure contact portion 40 two ends, interfere the holding parts 50 of metal ear 5 in the draw-in groove 210 that snaps on the holding section 21 of being located at insulating body 2 respectively at last, and the projection 410 of actuator 4 is connected on the connecting portion 51 of metal ear 5 at this moment, this promptly finishes the assembling of this electric connector 1, and the rotation axis 41 of actuator 4 can rotate around the connecting portion 51 of accepting groove on the insulating body 2 211 and metal ear 5.

When electric connector 1 and flexible PCB (not shown) are combined, earlier actuator 4 being rotated makes it keep vertically in vertically insulated body 2 directions, insert flexible PCB in the opening 201 of insulating body 2 leading sections this moment with zero insertion force, conducting strip on the flexible PCB does not also contact with 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, crimping face 401 on the pressure contact portion 40 of actuator 4 will push flexible PCB and flexible PCB is crimped on the conducting terminal 3 tightly, the conducting strip of flexible PCB will because of the squeezing action of actuator 4 and conducting terminal 3 fluid-tight engagement together, thereby form the electric connection of 1 of flexible PCB and electric connector.

Connecting portion 51 structures by above-mentioned metal ear 5, 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 can prevent that actuator 4 is in coming off from insulating body 2 in the rotary course repeatedly, and then can guarantee electric connector 1 reliable mechanical performance, and, the draw-in groove 210 that the holding parts 50 of metal ear 5 can pass insulating body 2 is soldered to circuit board, with this fixing position of electric connector 1, and after holding parts 50 is soldered to circuit board, can strengthen further preventing that actuator 4 from coming off from insulating body 2.

Claims (8)

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, be combined in actuator and metal ear on the insulating body, the holding section that insulating body has matrix and extended by this matrix opposite end, be interval with draw-in groove on the holding section and connect the accepting groove of this draw-in groove, actuator comprises the pressure contact portion of crimping flexible PCB, the pressure contact portion two ends are protruding with protuberance, it is characterized in that: actuator is provided with the projection with the certain drop of protuberance tool in contiguous protuberance position, metal ear is " F " columnar structure, the connecting portion that it comprises spaced holding parts and connects these holding parts, holding parts can be interfered and snapped in the draw-in groove, and connecting portion places the projection top and connects to limit the position of rotation of projection with projection.

2. electric connector as claimed in claim 1 is characterized in that: the sidewall of holding section is provided with square groove.

3. electric connector as claimed in claim 2 is characterized in that: the groove location corresponding to insulating body on the pressure contact portion is provided with protruding colluding.

4. electric connector as claimed in claim 3 is characterized in that: actuator also includes the rotation axis that is extended by the pressure contact portion two ends.

5. electric connector as claimed in claim 3, it is characterized in that: pressure contact portion is provided with crimping face, and is interval with some raised lines and notch in crimping face one end, and rotation axis runs through these raised lines.

6. electric connector as claimed in claim 1 is characterized in that: connecting portion is vertical with holding parts to be provided with.

7. electric connector as claimed in claim 6 is characterized in that: the holding parts two ends are provided with some protruding thorns.

8. electric connector as claimed in claim 1 is characterized in that: insulating body is provided with opening in its front end.

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