CN201018111Y

CN201018111Y - Card connector

Info

Publication number: CN201018111Y
Application number: CNU2006201346489U
Authority: CN
Inventors: 黄国华
Original assignee: P Two Electronic Technology Suzhou Co Ltd
Current assignee: P Two Electronic Technology Suzhou Co Ltd
Priority date: 2006-08-07
Filing date: 2006-08-07
Publication date: 2008-02-06
Anticipated expiration: 2016-08-07

Abstract

A card connector is provided, which mainly comprises a base, a shell, plural terminals and a card pushing device. Wherein, the shell is covered over the base and forms a card insertion space with the base together; the plural terminals and the card pushing device are separately provided in a slot and the card insertion space of the base; a side retaining part is provided below the inside of the base and a groove is provided below a side retaining block; a first protruding part and a second protruding part relative to each other are provided on the extended end of the body seat of the card pushing device; when the electronic cards are inserted reversely, the card pushing device is moved inward to press the first protruding part, thereby making the second protruding part move inward to the inside of the groove and forms interference with the side retaining part to prevent the card pushing device from moving inward continuously, thereby effectively preventing the occurrence of the reverse insertion of the electronic cards and making the electronic cards inserted reversely stop stably and taken out smoothly.

Description

Card connector

Technical field

The utility model relates to a kind of card connector, refers to a kind of card connector of oversimplifying structural design, can avoiding electronic cards oppositely to misplug that has especially.

Background technology

In recent years, every digital electronic product, for example mobile phone, digital camera or the like, except constantly towards small-sized sophistication development, its convenience for transfer of data, storage also more comes into one's own.So, various have slim, be easy to carry about with one and the electronic cards kind of high power capacity, on market, be born in succession, for example SD (Secure Digital Card) card, MMC (Multimedia Card) or the like, this type of electronic cards can cooperate the built-in or external switching card connector of electronic product, reaches the purpose of transfer of data, storage.In the use, this type of electronic cards must possess can bear the characteristic of plug repeatedly, but because its structure small-sized, slimming, its intensity has certain limitation more, institute thinks and avoids electronic cards to be damaged in use that the butt joint card connector of its collocation must help the fixing of electronic cards in design and withdraw from.

Tradition prevents that the device that oppositely misplugs from utilizing mostly by downward sheet metal that extends of the metal shell of card connector top and the interference between carriage, stop carriage to advance, blocking electronic cards simultaneously pushes, but this kind misplug prevention device causes the sheet deformation of downward extension easily, thereby make the electronic cards that misplugs in connector, form unsettled motional collision, the destruction of causing electronic cards what is more.

Summary of the invention

The purpose of this utility model is to provide a kind of card connector, by improvement of the present utility model, make electronic cards pass, fix and anti-misoperation device three unification, can effectively avoid electronic cards oppositely to misplug, simplify known card connector structure, card connector is beneficial to makes production, and have than the long life.

The purpose of this utility model is to provide a kind of card connector, by improvement of the present utility model, can effectively avoid mispluging into electronic cards unsettled motional collision takes place, to reduce the destruction of electronic cards.

The utility model relates to a kind of card connector, and its primary structure comprises pedestal, housing, a plurality of terminal and push card device.Wherein, housing is that cover is overlying on the pedestal top, and constitutes a plug-in card space jointly with pedestal, and a plurality of terminals and push card device are installed in the slot of pedestal respectively and push away in the card space; And be provided with a side stopper below base interior, side block below is provided with a groove; Push card device, formed by noumenal seat, control lever and spring, this noumenal seat one end extension is provided with the first relative teat and second teat, when electronic cards oppositely mispluged, push card device was inwardly passed, simultaneously the first teat pressurized, make second teat move in this groove and and form interference with the side stopper, to stop push card device to continue to move inward, can effectively prevent the generation that electronic cards oppositely misplugs by this, make to be reversed the electronic cards that misplugs and can to stablize and stop and taking-up smoothly.

Description of drawings

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

Fig. 2 is the unit assembly drawing of card connector of the present utility model.

Fig. 3 is the constitutional diagram of card connector of the present utility model.

The top view of the noumenal seat of Fig. 4 A card connector of the present utility model.

The following view of the noumenal seat of Fig. 4 B card connector of the present utility model.

Fig. 5 is the state diagram before electronic cards of the present utility model is inserted.

Fig. 6 is the state diagram after electronic cards of the present utility model is inserted.

Fig. 7 is the state diagram after electronic cards of the present utility model oppositely misplugs.

The figure number explanation

1 pedestal, 11 bottom surfaces

111,112 sides

12 slots 13 push away card space

131 guide channels, 132 jacks

133 upper spring posts, 14 main stoppers

141 location holes

15 side stoppers, 151 grooves

16 plug-in card spaces

2 housings, 21 shell fragments

3 terminals, 31 fixed parts

32 contact jaws, 33 welding endss

4 push card device

41 main parts, 411 chutes

4111 fixing points

412 guiding ribs, 413 guiding inclines

414 stop blocks, 415 lower spring posts

416 reference columns, 417 elastic arms

418 first teats, 419 second teats

42 control levers

43 springs

50 electronic cards, 51 hypotenuses

52 recesses

Embodiment

Please refer to Fig. 1 to shown in Figure 3, be card connector one preferred embodiment diagram of the present utility model.Card connector of the present utility model is made of pedestal 1, housing 2, a plurality of terminal 3 and push card device 4.Wherein, pedestal 1 is to be made of bottom surface 11 and 111,112 of dual-sides, on bottom surface 11, be provided with plurality of slots 12, in pedestal 11 near side 112 places define can be used to place push card device 4 push away card space 13, push away card space 13 and be provided with a

guide channel

131, and 111 places of the side in pushing away card space 13 are provided with jack 132 and upper spring post 133, are provided with a main stopper 14, side stopper 15 and groove 151 in pushing away card space 13 belows, and main stopper 14 is to be provided with respect to upper spring post 133.

Housing 2 is to be the made framework of metal, is overlying on pedestal 1 by the top cover, and has the plug-in card space 16 of inserting mouth with pedestal 1 common formation one, is provided with a shell fragment 21 on the housing 2 in addition.Each terminal 3 is by fixed part 31, and the contact jaw 32 and the welding ends 33 that are extended by fixed part 31 two ends are constituted, terminal 3 is fixedly arranged in the aforementioned slot 12 by fixed part 31, make that the contact jaw 32 of each terminal 3 is slightly crooked and protrude in the plug-in card space 16, contact and can form with the electronic cards in inserting plug-in card space 16, welding ends 33 then extends pedestal 1 outside downwards towards inserting mouth, is used for being welded in circuit board and is electrically conducted with formation.

Aforementioned main stopper 14, side stopper 15 and groove 151 are to push away card space 13 belows with pedestal 1 integrally formed being arranged at, wherein, be provided with a location hole 141 on the main stopper 14 in addition, side stopper 15 be by the direction that is away from side 112 towards slightly projection of terminal 3 arrangements place, thereby below side stopper 15, constitute a groove 151.

One group of push card device 4 includes main part 41, control lever 42 and spring 43.Please be simultaneously with reference to Fig. 4 A, shown in Fig. 4 B, main part 41 tops are formed with the chute 411 that presents circulation two-orbit structure, and the below is provided with a guiding rib 412, by of guide channel 131 interphase interactions of guiding rib 412, main part 41 can freedom be set in slippingly pushes away in the card space 13 with pedestal 1.Main part 41 1 sides are provided with guiding incline 413, and be provided with stop block 414 in opposite side with respect to guiding incline 413, be provided with lower spring post 415 in stop block 414 with respect to the one side of upper spring post 133, and the another side of stop block 413 is provided with reference column 416, in addition, be provided with an elastic arm 417 in the more downward extension of main part 41 1 ends, elastic arm 417 ends are provided with the first relative teat 418 and second teat 419, by main part 41 one-body molded extended elastic arms 417, with the effect that reaches effective fixedly electronic cards and avoid oppositely mispluging.Control lever 42 has the two ends of bending, and wherein an end is to be inserted in the jack 132 of pedestal 10, and the other end then is arranged in the chute 411, and by 21 times press fit of shell fragment of housing 2.The two ends of spring 43 are arranged in respectively on upper spring post 133 and the lower spring post 415.By said structure, making card connector of the present utility model can utilize push card device 40 to form and push with twice is the mode of a circulation, fixes and withdraw from the action of electronic cards.

Under general situation, because the elastic reaction of spring 43, stop block 414 is resisted against on the main stopper 14, and reference column 416 penetrates in the location hole 413 fixing to form, first teat 418 and guiding incline 413 are simultaneously towards plug-in card space 16, second teat 419 then is right against groove 151, but does not embed as yet.

See also Fig. 5 and shown in Figure 6, when the user pushes plug-in card space 16 in by the insertion mouth electronic cards 50 with normal mode, the hypotenuse 51 of electronic cards 50 can be pushed the guiding incline 413 of the main part 41 of push card device 40, make main part 41 inside slippages, and the end that control lever 42 is positioned at chute 411 is then slid on the fixing point 4111 by a sideslip groove 411 paths, main part 41 is fixed, and directly engage with 418 formation of first teat by the recess on electronic cards 50 sides 52, electronic cards 50 effectively is fixed in the plug-in card space 16, and is connected with the contact jaw 32 formation signals of terminal 3.When promoting electronic cards 50 once more, the end that control lever 42 is positioned at chute 411 leaves fixing point 4111 and by the opposite side chute 411 paths original position of sliding back, this moment is because the restoring force of spring 43, make main part 41 recoil to the origin-location, stop block 414 supports and terminates on the main stopper 14, and electronic cards 50 is withdrawed from.

When the user inserts electronic cards 50 in the plug-in card space 16 in undesired mode, also be about to electronic cards 50 with reverse insertion, at this moment, electronic cards 50 does not have recess 52 near on the Shu side of main part 41, so elastic arm 417 can pushed outwardsly squeeze, make second teat 419 be pushed in the groove 152, second teat 419 is formed with side block 15 interferes, cause main part 41 to be pushed into, therefore reach and prevent that electronic cards 50 is reversed the foolproof function that misplugs, simultaneously, because second teat 419 is more preceding and have an excellent strength with side block 15 formed interference position, can make electronic cards 50 in the very first time with stable status by block, avoid electronic cards 50 oppositely to insert and unsettled collision because of undue, destroy and produce.

The utility model utilizes structural improvement, makes the mechanism that originally is used for passing electronic cards, has more simultaneously to prevent that electronic cards from oppositely mispluging and the fixing effect of electronic cards, not only more simplifies than known techniques, and possesses more stable foolproof function.

Above-mentioned detailed description is at the preferable possible embodiments explanation of the utility model, but this embodiment is not in order to limit claim of the present utility model, all other do not break away from the equalization of being finished under the skill spirit that the utility model discloses to be changed and modifies change, all should be included in the claim that the utility model contains.

In sum, the utility model really meets the patent requirement of novelty, utility model and progressive, now files an application, and expects early to grant a patent.

Claims

1. card connector comprises:

Pedestal which is provided with plurality of slots, and side-lower is provided with a side stopper in it, and this side block below is provided with a groove;

Housing is that cover is overlying on this pedestal top, and constitutes a plug-in card space jointly with this pedestal;

A plurality of terminals are to be arranged in this plurality of slots, make contact jaw projection in this plug-in card space of each terminal;

Push card device, be to be arranged in this plug-in card space, it is characterized in that: this push card device has a noumenal seat, this noumenal seat one end extension is provided with the first relative teat and second teat, when electronic cards oppositely mispluged, this push card device slightly moved inward, simultaneously this first teat pressurized, make this second teat move in this groove and and form interference, continue to move inward to stop this push card device with this side stopper.

2. card connector as claimed in claim 1 is characterized in that: this push card device main part has chute.

3. card connector as claimed in claim 2, it is characterized in that: this push card device is provided with control lever, and this pedestal top is provided with a jack, and these control lever two ends are into a bent shape, a this control lever wherein end is to be inserted in this jack, and the other end then is embedded in this chute.

4. card connector as claimed in claim 2, it is characterized in that: this push card device is provided with spring, this main part one side still is provided with stop block, and on this stop block and this pedestal, being respectively equipped with relative lower spring post and upper spring post, this both ends of the spring then is arranged in this lower spring post and upper spring post respectively.

5. card connector as claimed in claim 4 is characterized in that: side-lower more is provided with a main stopper in this pedestal, and under non-plug-in card situation, this stop block is to terminating on this main stopper.

6. card connector as claimed in claim 1 is characterized in that: this push card device is provided with a guiding incline in addition.

7. card connector comprises:

Pedestal which is provided with plurality of slots;

Push card device is to be arranged in this plug-in card space, it is characterized in that: this push card device comprise a noumenal seat,

One control lever and a spring, the one-body molded extension of this noumenal seat is provided with an elastic arm, and this elastic arm front end is provided with one first teat.