CN100546115C - Electric connector - Google Patents

Abstract

A kind of electric connector, be used to accommodate an electronic cards, it comprises: insulating body, be contained in the plurality of conductive terminals in the insulating body, be covered in the metal shell on the insulating body, itself and insulating body form a receiving space of accommodating electronic cards jointly, and defined one the card insertion/exit axis, and the trip mechanism that is installed on metal shell one side, wherein, trip mechanism comprise a direction of motion parallel with card insertion/exit axis move back kelly, a drive link, connect the pivot rods move back kelly and drive link and and the push rod of transmission rod, can make to move back by structure like this to be subjected to force direction roughly parallel between kelly and electronic cards, thereby the card effect is better moved back in realization with card insertions/exit axis.

Description

Electric connector

[technical field]

The present invention relates in particular to a kind of electronic card coupler that has trip mechanism relevant for a kind of electric connector.

[background technology]

The PC card is a kind of in order to the electronic cards to computer and other communication and electronic equipment interpolation such as expanding units such as internal memory, network and wireless telecommunications, and nearly all mobile computer side is equipped with pc card slot to be used for peripheral functions such as Extended RAM or network.PCMCIA (Personal Computer Memory CardInternational Association-PCMCIA (personal computer memory card international association)) has announced a kind of new standard of PC card, i.e. Express Card again in 2003 ends.The PC card of this Express Card standard has two kinds of external forms, and a kind of is the L type, and another kind is a rectangle, and the width of rectangle PC card is identical with the minimum widith of L type PC card.And the electric connector that is used for Express Card standard also has two kinds in L type and rectangle.The electric connector of L type can with two kinds of cards in any one connects, and rectangular electric connector can only connect with the PC card of rectangle.The electric connector that is used to accommodate Express Card is typically provided with trip mechanism, as No. the 277134th, TaiWan, China patent, it has disclosed a kind of L type electric connector that is used to accommodate Express Card, with reference to this patent Fig. 2 a and Fig. 2 b, this electric connector is provided with a trip mechanism 4, this trip mechanism comprises that one is provided with the pedestal of heart type groove, one is moved and the trace that can contact with electronic cards with respect to pedestal, and an end is arranged in the heart type groove motion other end and is fixed in retainer and a spring that is used for elastic return on the trace.The operation principle of this trip mechanism has been that industry is known, when needs withdraw from electronic cards, only need promote electronic cards forward and just can utilize the elastic restoring force of spring to withdraw from electronic cards.Yet trace utilizes the baffle of its front end electronic cards of conflicting in this trip mechanism, this baffle is positioned at the front end of electronic cards one lateral edges, so no matter in inserting the card process, still move back in the card process, electronic cards all can be because of one-sided stressed run-off the straight slightly, and make that electronic cards edge and metal shell sidewall take place closely to contact, thereby make electronic cards insertion and withdraw from the comparison difficulty.

So, be necessary above-mentioned electric connector is improved to solve the problems of the technologies described above.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector that better moves back the card effect that has.

The objective of the invention is to be achieved through the following technical solutions: a kind of electric connector, it comprises insulating body, be contained in the plurality of conductive terminals in the insulating body, be covered in the metal shell on the insulating body, itself and insulating body form a receiving space of accommodating electronic cards jointly, and defined a card insertion/exit axis, and the trip mechanism that is installed on metal shell one side; Wherein, trip mechanism comprise a direction of motion parallel with card insertions/exit axis move back kelly, drive link, connection move back kelly and drive link pivot rods and and the push rod of transmission rod, can make to move back by structure like this to be subjected to force direction roughly parallel between kelly and electronic cards, thereby the card effect is better moved back in realization with card insertions/exit axis.

Compared to prior art, electric connector of the present invention has following beneficial effect: trip mechanism move back the kelly direction of motion with the card insertion/exit axis parallel, and by pivot rods connect move back kelly and drive link and drive link and push rod between cooperation, realization is moved back and is subjected to force direction roughly parallel with card insertion/exit axis between kelly and electronic cards, can realize better moving back the card effect by this.

[description of drawings]

Fig. 1 is an electric connector three-dimensional combination figure of the present invention.

Fig. 2 is the part three-dimensional combination figure of electric connector of the present invention.

Fig. 3 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 4 is another angle three-dimensional exploded view of electric connector of the present invention.

Fig. 5 is the part three-dimensional combination figure of electric connector of the present invention.

Fig. 6 is the part three-dimensional combination figure of electric connector of the present invention.

[embodiment]

See also Fig. 1 to Fig. 4, the invention provides a kind of electric connector 1, be used to accommodate rectangle and L shaped two kinds of electronic cards (not icon), it comprises insulating body 2, be contained in conducting terminal 3 in the insulating body 2, be covered in metal shell 4 on the insulating body 2, be installed on the trip mechanism 5 of metal shell 4 one sides.Metal shell 4 has the receiving space (indicating) of card insert opening (indicating) with insulating body 2 one of common formation, and has defined a card insertion/exit axis; This electric connector 1 also is provided with the support 6 that is installed in metal shell 4 both sides, the base plate 8 that is installed in the fairlead 7 on the metal shell 4 and is installed on electric connector 1 bottom.

See also Fig. 3 and Fig. 4, insulating body 2 roughly is the lengthwise structure, and it comprises a lengthwise base portion 20, a pair of support arm 21 that extends back from base portion 20 two ends respectively, and is positioned in the middle of two support arms 21 and extended docking section 22 from the base portion 20.The front end of base portion 20 is provided with two projections (not indicating), is arranged with plurality of terminals on the docking section 22 in parallel and accommodates conduit 23, is used for accommodating conducting terminal 3, and terminal accommodating conduit 23 runs through base portion 20 backward.Conducting terminal 3 is inserted in the lump in the electronic cards together with docking section 22 and realizes electrically connecting with electronic cards.The front end of support arm 21 offers a screw 24 that runs through support arm 21 up and down respectively, and this screw comprises a hexagonal indentations (not indicating) and a through hole that runs through from the hexagonal indentations bottom (not indicating) of offering from the top downwards.

Conducting terminal 3 is contained in respectively in the terminal accommodating conduit 23 on the insulating body 2, each conducting terminal 3 have with electronic cards reach electric connection contact site 30, be welded in the weld part 31 on the circuit board (not icon) and be immobilizated in holding parts 32 in the terminal conduit 23.

See also Fig. 3 and Fig. 5, metal shell 4 is the L type substantially, is divided into the rear end (not indicating) of a narrower front end (not indicating) and a broad.Metal shell 4 covers on the insulating body 2, and it comprises L type top cover 40, and the front end of top cover 40 is provided with a front block unit 41 of bending downwards, and the both sides of front block unit 41 respectively are provided with a circular hole 43 and are used for nut 47 of riveted.The both sides of top cover 40 are respectively equipped with the left and right sidewall 42 that downward bending forms, and wherein left side wall is shorter, and right side wall is longer.Left side wall 42 front end right sides are provided with a vertical with it transverse wall 44.Wherein, the front end left hand edge of top cover 40 is provided with the slit 400 of a strip and longitudinal extension, the left side housing of slit 400 bends downwards, then outwards upwards bending successively, thereby form a conduit 45, the rear of conduit 45 is provided with one and bends the retaining sheet 46 that is used for holding fairlead 7 from top cover 40, offers one on it and holds mouthfuls 460.The rear side of retaining sheet 46 is provided with a breach (not indicating) that slightly is semicircle shape, and this breach rear side is another slit 401 that is opened in top cover 40 and longitudinal extension, and these slit 401 front ends run through top cover 40, and are located along the same line with conduit 45.Slit 400,401 and conduit 45 are all and cooperate trip mechanism 5 to use, and the back will elaborate.The both sides of the edge of top cover 40 are provided with some protruding 403, and the middle part of projection 403 is to lower recess, and top cover 40 both sides also respectively are provided with a shell fragment 402 on projection 403 same straight lines in addition, and shell fragment 402 clicks into place in the groove of electronic cards both sides of the edge (not icon).The bottom of left and right sidewall 42 is bent to form elongated base (indicate) to receiving space respectively, also all is provided with some protrudingly 403 on the base, both sides, and different with projection 403 on the top cover 40 is that the middle part of the projection 403 on the base is depression upwards.In the groove of electronic cards both sides of the edge, respectively form a guide channel 404 that is used for guiding electronic cards thereby all projectioies 403 are all protruding respectively at both sides.Be provided with some fixture blocks (not indicating) on the left and right in addition sidewall 42 symmetrically, these fixture blocks are used for support 6 is installed to the both sides of metal shell 4.Transverse wall 44 is positioned at left side wall 42 front end right sides, is bent to form downwards from top cover 40, which is provided with shell fragment (indicate), and its bottom is towards receiving space and upsweep and be used for holding fairlead 7.Front block unit 41 is covered on the base portion 20 of insulating body, and itself and top cover 40 connections are formed with the bayonet socket (not indicating) of accommodating the projection on the base portion 20.Nut 47 is riveted on respectively on the circular hole 43, comprise the riveting part (not indicating) that is positioned at circular hole 43 tops, be positioned at circular hole 43 belows and be close to the hex nut (indicate) of circular hole 43 lower surfaces, and from the downward extended trunk portion of the downside of hex nut (indicating).Nut and trunk portion are contained in respectively in the hexagonal indentations and through hole in the screw 24.

See also Fig. 3 to Fig. 6, trip mechanism 5 is installed on short left side wall 42 1 sides, comprises push rod portion 50, drive link 51, pivot rods 52, moves back kelly 53.Wherein push rod portion 50 comprises push rod 500, is provided with the housing 501 of some fixture blocks 502 and is assembled in pedestal (not icon), driving member (not icon), the spring (not icon) that is provided with heart type groove in the housing 501.The operation principle of push rod portion 50 with and each parts between fit system be that industry is known, just do not elaborate at this.The tail end 510 of drive link 51 stretches in the push rod portion 50 and with push rod 500 and matches, and its front end is provided with an opening 511.Move back kelly 53 be arranged in the narrower front end of metal shell one side conduit 45 and can in conduit 45 move forward and backward and the direction of motion with to block insertion/exit axis parallel.That moves back that kelly 53 is included in that its front end vertically extends moves back card division 530, is positioned at the tail end 531 that moves back kelly 53 rear ends and from the grab 532 of tail end 531 to upper process.Moving back card division 530 passes the slit of being located on the metal shell 4 400 and extend into the electronic cards receiving space, please refer to Fig. 5, move back card division 530 and be close to the longitudinal midline A-A place of metal shell rear end, it also is the longitudinal midline place of the L shaped electronic cards of accommodating, because it is parallel with card insertion/exit axis to move back kelly 53 moving directions, shown in move back force direction that card division 530 applies in the electronic cards front end and to block insertion/exit axis parallel.Pivot rods 52 is affixed on the bottom of top cover 40, and its middle part being provided with to pivot and being arranged at pivot part 520 on the top cover 40, and pivot rods 52 can freely rotate around this pivot part 520.Pivot rods 52 a wherein end has a kink 521, realizes in the opening 511 of an end of drive link 51 being connected between drive link 51 and pivot rods 52 thereby this kink 521 extend into.The other end of pivot rods 52 offers one and is forked draw-in groove 522, the grab 532 that moves back kelly 53 snaps in this draw-in groove 522 and in the slit on metal shell 401 and moves forward and backward, thereby realize pivot rods 52 and move back connection between the kelly 53, so just realize drive link 51, pivot rods 52, move back kelly 53 and join end to end.When needs withdraw from electronic cards, promote push rod 500 forward, push rod 500 drives drive link 51 and puts in forward, drive link 51 drives pivot rods 52 then and is attached thereto an end that connects and pivot rods 52 is rotated around its pivot part 520, thereby the other end of pivot rods 52 moves backward, and because the grab 532 that moves back kelly 53 is stuck in the draw-in groove 522 of this end, just together move backward, electronic cards is withdrawed from thereby utilize it to move back card division 530 so move back kelly 53.Figure 6 shows that the trip mechanism state diagram when moving back card finishes, this moment, push rod 500 was in the state of pushing.When inserting electronic cards, the front end of electronic cards is conflicted to move back card division 530 and drive and is moved back kelly 53 and travel forward, move back kelly 53 and drive pivot rods 52 then, pivot rods 52 around its pivot part 520 rotate and drive drive link 51 backward rollback until reaching initial condition jointly.Because the special construction of push rod portion 50 inside, drive link 51 no longer comes in contact with push rod 500 in back off procedure, though promptly push rod 500 is in the insertion that the state of pushing also can not have influence on electronic cards, this is known and irrelevant with technical characterictic of the present invention by industry, so also be not described further at this.

See also Fig. 3 to Fig. 5, support 6 is installed on the both sides of metal shell 4, it comprises affixed 60 and fixing feet 61, wherein is provided with one in addition from the affixed 60 outside horizontal-extending in top and be covered on the housing 501 of trip mechanism 5 another affixed 62 with the support 6 of trip mechanism 5 homonymies.Be equipped with card (indicate) and draw-in groove (sign) on affixed 60,62, affixed 60 affixed by the incompatible realization that matches of the some fixture blocks on the left and right sidewall 42 of the card on it and draw-in groove and metal shell 4.Affixed 62 by the affixed of incompatible realization and trip mechanism 5 that match of the fixture block 502 on the card on it and draw-in groove and the housing 501.With the support 6 of trip mechanism homonymy, its affixed 60 front end extends forward and outwards bending, and offered a through hole 600 in bending part, and drive link 51 passes this through hole 600.Fixing feet 61 is positioned at affixed 60 front end bottom side, is horizontal sheet, offers a screw 610 on it.

See also Fig. 3 Fig. 4 and Fig. 6, fairlead 7 is assembled in the metal shell 4, and it comprises that the board body part 70 of a shape triangular in shape, the transverse part 71 that protrudes upward from board body part 70 cephalolateral margins reach from the extended forward longitudinal part 72 of transverse part 71 1 ends.Board body part 70 is provided with a slit 700 and projection 701, slit 401 up/down perforations on slit 700 and the metal shell.Insert and withdraw from the process in electronic cards, the tail end 531 that moves back kelly 53 moves in slit 700.With reference to Fig. 6, tail end 531 is projected into outside the slit 700, and in withdrawing from the electronic cards process, and the tail end 531 L shaped electronic cards of can conflicting can be assisted withdrawing from of L shaped electronic cards.Come fairlead 7 is carried out fixing in the projection 403 of corresponding position on the top cover 40 of projection 701 insertion metal shells.With reference to Fig. 3 and Fig. 6, board body part 70 upper surfaces also are provided with a low degree 702, when fairlead 7 is installed to metal shell 4, form a slit 703 between the top cover 40 of this low degree and metal shell, the pivot rods 52 that riveted is connected on the top cover 40 just is housed in this slit 703.Transverse part 71 be provided with groove 710 and with the transverse wall 44 of metal shell fixing mutually.Transverse wall 44 bottoms are towards receiving space and upsweep and hold transverse part 71 and the shell fragment be located on the transverse wall 44 is stuck in the groove 710.Longitudinal part 72 is provided with projection 720, and this projection 720 is housed in holding in mouthfuls 460 of retaining sheet 46 on the metal shell 4.

See also Fig. 3 and Fig. 4, base plate 8 is the L type, is positioned at the bottom of electric connector 1, is provided with to its bilateral symmetry some snapping portions (not indicating), and base plate 8 is installed on the metal shell 4 by snapping portion.

The trip mechanism of electric connector of the present invention move back the kelly direction of motion with the card insertion/exit axis parallel, and by pivot rods connect move back kelly and drive link and drive link and push rod between cooperation, realization is moved back and is subjected to force direction roughly parallel with card insertion/exit axis between kelly and electronic cards, avoided the electronic cards edge closely to contact, thereby realized better moving back the card effect with the metal shell sidewall.Learn that simultaneously the present invention adopts moves back the kelly tail end 531 L shaped electronic cards of can also conflicting, thereby can realize the dual card effect of moving back together with moving back card division 530 by noted earlier.In addition, because the pivot rods 52 on the trip mechanism is contained in the formed slit 703 of fairlead just,, and also do not need in receiving space to be this pivot rods reservation additional space so it can not have influence on the insertion of electronics and withdraw from.

Claims (10)

1. electric connector, be used to accommodate an electronic cards, it comprises: insulating body, be contained in the plurality of conductive terminals in the insulating body, be covered in the metal shell on the insulating body, itself and insulating body form a receiving space of accommodating electronic cards jointly, and defined one the card insertion/exit axis, and the trip mechanism that is installed on metal shell one side, it is characterized in that: trip mechanism comprise a direction of motion parallel with card insertion/exit axis move back kelly, a drive link, connect the pivot rods move back kelly and drive link and and the push rod of transmission rod, when withdrawing from electronic cards, promote push rod and drive drive link to put in forward, and make that finally push rod is in the state of pushing, and when inserting electronic cards once more, drive link rollback but push rod still remains on the state of pushing.

2. electric connector as claimed in claim 1 is characterized in that: an end of described pivot rods is connected to an end that moves back kelly, and the other end of pivot rods is connected on the drive link.

3. electric connector as claimed in claim 1 is characterized in that: the described kelly that moves back is provided with and moves back the card division, describedly moves back the side that the card division is positioned at the metal shell front end.

4. electric connector as claimed in claim 3 is characterized in that: described electronic cards is L-shaped, describedly moves back the longitudinal midline place that the card division is close to L shaped electronic cards.

5. electric connector as claimed in claim 1 is characterized in that: described pivot rods is provided with pivot part, and this pivot part is arranged on the metal shell pivotly.

6. electric connector as claimed in claim 1 is characterized in that: described electric connector also is provided with a fairlead, and described metal shell is provided with top cover, forms a slit between fairlead and the metal shell, and described pivot rods is housed in this slit.

7. electric connector as claimed in claim 1 is characterized in that: described electric connector also is provided with a fairlead, and this fairlead is provided with a confession and moves back kelly in the slit of motion wherein.

8. electric connector as claimed in claim 7 is characterized in that: described electronic cards is L-shaped, and the described kelly that moves back is provided with a tail end, and this tail end is projected into outside the described slit, and the L shaped electronic cards of can conflicting.

9. electric connector as claimed in claim 1 is characterized in that: described metal shell is provided with a conduit, moves back kelly and moves forward and backward in this conduit.

10. electric connector as claimed in claim 1 is characterized in that: riveted joint has nut, insulating body to be provided with the screw of accommodating this nut on the described metal shell.

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