CN201435500Y

CN201435500Y - Detecting terminal of card connector

Info

Publication number: CN201435500Y
Application number: CN2009201497707U
Authority: CN
Inventors: 陈祖林; 王永昇
Original assignee: JINN SHYANG PRECISION INDUSTRIAL Co Ltd
Current assignee: JINN SHYANG PRECISION INDUSTRIAL Co Ltd
Priority date: 2009-06-18
Filing date: 2009-06-18
Publication date: 2010-03-31
Anticipated expiration: 2019-06-18

Abstract

The utility model provides a detecting terminal of a card connector, wherein through grooves for a plurality of conductive terminals to penetrate into and fix position are arranged on the central baseportion of the an insulating base body, each conductive terminal is provided with a welding end which is exposed out of the through grooves, a groove hole for a contact end of the detecting terminalto penetrate into and fix position is arranged between two through grooves, the bent portion of the contact end outside the groove hole extends transversely to form a base portion which is twined on the outer side of the welding end of the conductive terminal and downwards extends for being provide with a welding end, and the other side of the welding end and the bent portion are respectively provided with a embedded fastening portion which is positioned on the insulating base body. When the welding end of the conductive terminal and the welding end of the detecting terminal aim at the surfaceconnection points of an external circuit board for welding operation, by utilizing the structural design of the detecting terminal, a favorable spacing distance can be kept between the welding end ofthe detecting terminal and the welding end of the conductive terminal, thereby preventing the problems that the welding feet are too dense, the welding is difficult and the like and avoiding the short-circuit conditions such as missing solder, tin cream connection and the like which are caused as the connection points of the welding feet on the circuit board are too close.

Description

A kind of detection terminal of card connector

Technical field

The utility model is for providing a kind of detection terminal of card connector, especially refer in insulating base frame, be equipped with detection terminal between a plurality of conducting terminals, and detection terminal for insulating base frame outside with kink horizontal expansion one base portion and be wire-wrapped in outside the conducting terminal welding ends, extend the welding ends that welds with the circuit board contact downwards with the base portion end again, reach the welding ends of detection terminal and the welding ends of conducting terminal and be a good spacing distance, prevent problems such as welding foot is too close, welding is difficult for.

Background technology

Computer and electronics technology development now fast, and product miscellaneous has also been popularized each corner in society, and along with science and technology more reaches, this type of computer, the development trend of electronic product is also strong towards calculation function, speed reaches the little direction of volume soon and strides forward, and be usually used in computer, electronic dictionary etc., be used for extended storage, network card, modem, scsi device is (as high capacity hard disk, scanner) is electronic cards, and electronic cards typical pattern on computers is PCMCIA (Personal Computer Memory CardInternational Association), general PCMCIA also has the design that is converted to other interface, as PCMCIA to SCSI, PCMCIA to IDE etc., all can make notebook computer be used the multiple interfare device of PC, in the middle of most notebook computer, all support the ability of Plug and Play, even support hot plug (Hot Plug) function to start shooting again and just can directly use, other has the electronic cards of other different types to can be applicable to the upward use of devices such as palmtop computer (PDA) and palm type electronic dictionary, be with, except the storage card pattern of PCMCIA, roughly still has MMC (Multi MediaCard) at present on the market, CF (Compact Flash Card), SMC (Smart Media Card), MS (MemoryStick), SD specifications such as (Secure Digital Card) can be for replacing; Therefore, the demand of card connector just significantly increases thereupon, with in response to this kind development trend.

Wherein, all be provided with a plurality of conducting terminals in the general card connector, structures such as detection terminal, when the external electric subcard is inserted in the card connector, its electronic cards bottom surface contact can be electric contact condition with conducting terminal and detection terminal, transmit and make conducting terminal and detection terminal all can present conducting and carry out signal, and the effect that output input of generation signal and sensing electronic cards put in place, yet general conducting terminal and detection terminal all are arranged on the base portion of insulating base frame, and be provided with end that to be exposed to insulating base frame outer and be the welding foot that array row in the same way puts, when the welding foot of the welding foot of detection terminal and conducting terminal and the external circuit board upper contact carry out weld job, the spacing of each welding foot is too close, cause with contact to be too near to, and short circuit condition such as free weldering or tin cream connection.

Therefore, how to solve above-mentioned existing problem and disappearance, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place person that research improves.

Summary of the invention

Edge this, because above-mentioned existing apparatus is not all attained ideal in design, so, the creator collects related data, via assessing in many ways and consider, and to engage in the many years of experience of the industry accumulation, and in line with excelsior spirit, adhering to continuous research improvement creative ideas, improved at above-mentioned weak point again, is to design and develop out the utility model " detection terminal of card connector ".

Main purpose of the present utility model is to be provided with between a plurality of conducting terminals in the insulating base frame slotted eye that penetrates the location for detection terminal, and detection terminal is with outer kink horizontal expansion one base portion of slotted eye, and base portion is for being set around the conducting terminal welding ends outside and having extended welding ends downwards, welding ends side in addition then with on the kink is respectively equipped with the buckle portion of being fixed on the insulating base frame, when the welding ends of the welding ends of conducting terminal and detection terminal is aimed at the external circuit board surface contacts when carrying out weld job, can utilize the structural design of detection terminal, make the welding ends of detection terminal and the welding ends of conducting terminal be a good spacing distance, avoid welding foot too close at the circuit board upper contact, and short circuit condition such as free weldering or tin cream connection.

Secondary objective of the present utility model is that the location thoughts are known terminal group in the caulking groove of insulating base frame support arm, and the perception terminal group is respectively equipped with contact terminal and transmission terminal, and the contact jaw of contact terminal one side in the plug-in card space can be conflicted for the electronic cards lateral margin that inserts, make contact jaw be the elasticity beat and contact on the contact jaw of transmission terminal, and the welding ends transmission signals that makes contact terminal and transmission terminal reaches sensing, anti-read-write and pintle hook lock effectiveness to circuit board.

A purpose more of the present utility model is to cover on the insulating base frame shield shell that covers, for be extended with the cramp that penetrates in the support arm connecting groove downwards with the bottom surface, and connecting groove below is inserted with in addition with cramp and is the electrical ground strip that contacts, in the time of in electronic cards is inserted in insulating base frame, can utilize ground strip that the effect of ground connection is provided, reach the card connector user mode and firmly reach good effect.

In order to achieve the above object, the utility model provides a kind of detection terminal of card connector, and it includes insulating base frame and detection terminal, wherein:

Described insulating base frame central authorities base portion is provided with the groove of wearing that penetrates the location for a plurality of conducting terminals, and each conducting terminal all is provided with and is exposed to the described outer welding ends of groove of wearing, and wherein two wears between the groove to being provided with the slotted eye that penetrates the location for described detection terminal;

Described detection terminal is to be provided with the contact jaw that is interspersed in the described slotted eye, and the kink of described contact jaw outside described slotted eye is horizontal expansion one base portion, and described base portion is to be set around the welding ends outside of described conducting terminal and to have extended welding ends downwards, and is respectively equipped with the buckle portion of being fixed on the described insulating base frame on this welding ends opposite side and the described kink.

Compared with prior art, the detection terminal of card connector described in the utility model, it is equipped with detection terminal between a plurality of conducting terminals in insulating base frame, and detection terminal for insulating base frame outside with kink horizontal expansion one base portion and be wire-wrapped in outside the conducting terminal welding ends, extend the welding ends that welds with the circuit board contact downwards with the base portion end again, reach the welding ends of detection terminal and the welding ends of conducting terminal and be a good spacing distance, prevent problems such as welding foot is too close, welding is difficult for.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Top plan view when Fig. 2 assembles for the utility model;

Three-dimensional exploded view when Fig. 3 assembles for the utility model;

Fig. 4 is the preceding sectional axonometric drawing of the utility model shield shell assembling;

Fig. 5 is the sectional axonometric drawing after the utility model shield shell assembling;

Top plan view when Fig. 6 is the utility model plug-in card;

Fig. 7 is the top plan view behind the utility model plug-in card.

Description of reference numerals: 1-insulating base frame; 10-plug-in card space; The 122-contact jaw; The 11-base portion; The 13-support arm; 111-wears groove; The 131-caulking groove; The 112-slotted eye; The 132-connecting groove; The 12-conducting terminal; The 14-push unit; The 121-welding ends; The 2-detection terminal; The 21-contact jaw; The 24-welding ends; The 22-kink; 25-buckle portion; The 23-base portion; 3-perception terminal group; The 31-contact terminal; The 32-transmission terminal; The 311-contact jaw; The 321-contact jaw; The 312-welding ends; The 322-welding ends; The 4-shield shell; The 41-cramp; The 42-ground strip; The 5-electronic cards; The 51-contact.

Embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof, drawing illustrates in detail that with regard to preferred embodiment of the present utility model its feature and function are as follows, in order to understanding fully.

See also shown in Figure 1, be three-dimensional exploded view of the present utility model, find out that by knowing among the figure detection terminal of the utility model card connector includes insulating base frame 1, detection terminal 2 and perception terminal group 3 structure of organizing and forms, therefore with regard to the main member of this case and feature describes in detail as after; Wherein:

Described insulating base frame 1 is worn groove 111 for being provided with for what a plurality of conducting terminals 12 penetrated the location on central base portion 11, and each conducting terminal 12 is provided with to be exposed to and wears the outer welding ends 121 of groove 111, and two wear to be provided with between the groove 111 and penetrate the slotted eye 112 of location therein for detection terminal 2, and base portion 11 both sides are extended the support arm 13 that forms plug-in card space 10 for central authorities in the same way, and on a support arm 13, be positioned with push unit 14, then be provided with the caulking groove 131 that is embedded the location for perception terminal group 3 on another support arm 13, on two support arms 13, be provided with connecting groove 132 again again.

Described detection terminal 2 is for being provided with the contact jaw 21 that is interspersed in the slotted eye 112, and the kink 22 of contact jaw 21 outside slotted eye 112 is horizontal expansion one base portion 23, and base portion 23 is for welding ends 121 outsides that are set around conducting terminal 12 and extended welding ends 24 downwards, and welding ends 24 is respectively equipped with buckle portion 25 on side and the kink 22 in addition.

Described perception terminal group 3 is respectively equipped with and staggers and be positioned contact terminal 31 and transmission terminal 32 in the caulking groove 131, and contact terminal 31 is for being provided with the elastic arm shape at a lateral buckling and extending contact jaw 311 in the plug-in card space 10, and the downward welding ends 312 that is provided with contact preinstalled circuit plate surface contacts of contact jaw 311 other side direction, and transmission terminal 32 is also at the downward welding ends 322 that is provided with contact preinstalled circuit plate surface contacts of contact jaw 321 1 side direction.

On the above-mentioned explanation insulating base frame 1 further cover be covered with shield shell 4, and shield shell 4 bottom surfaces are extended downwards and are provided with the cramp 41 that penetrates in support arm 13 connecting grooves 132, and in this connecting groove 132 also below upwards be inserted with the ground strip 42 that fastens cramp 41.

When the detection terminal of the utility model card connector during at the group structure, be pack in regular turn on can support arm 13 push unit 14 and perception terminal group 3 with insulating base frame 1 both sides, so that push unit 14 can have the card of moving back effect for card connector, in addition a plurality of conducting terminals 12 penetrate be positioned insulating base frame 1 wear in the groove 111 time, can be therein two wear the contact jaw 21 that slotted eye 112 between the groove 111 penetrates detection terminal 2, but make buckle portion 25 buckles of detection terminal 2 on base portion 11, be positioning states, so, continuous shield shell 4 is covered is overlying on the insulating base frame 1, the cramp 41 of shield shell 4 is penetrated in the connecting groove 132 of support arm 13, insert and fasten on the cramp 41 by connecting groove 132 belows with ground strip 42 again (as Fig. 2, Fig. 3, Fig. 4, shown in Figure 5), can finish assembled configuration of the present utility model.

On the mat, just the utility model card connector can be installed on the external circuit board, and make on the card connector a plurality of welding foot alignment circuit plate surface contacts carry out weld job, and utilize the structural design of detection terminal 2, make the welding ends 24 of detection terminal 2 can be a good distance at interval with the welding ends 121 of conducting terminal 12, prevent problems such as welding foot is too near, welding is difficult for, avoid welding foot in that the circuit board surface contact is too close when welding, short circuit condition such as free weldering or tin cream connection.

See also Fig. 6, shown in Figure 7, top plan view during for the utility model plug-in card and the top plan view behind the plug-in card, card connector after finishing by above-mentioned group of structure is when plug-in card, can insert in the plug-in card space 10 of insulating base frame 1 presetting electronic cards 5, make electronic cards 5 leading edges be held in contact jaw 21 surfaces of detection terminal 2, the contact jaw 311 and the push unit 14 of the contact terminal 31 of perception terminal group 3 and both side edges is conflicted respectively, it is continuous when electronic cards 5 continues inwardly to insert, promptly pushing and pressing contact jaw 311 is the elasticity beat and contacts on the contact jaw 321 of transmission terminal 32 synchronously, and then provide anti-read-write and pintle hook lock effectiveness, on the contact jaw 122 of 51 contacts of electronic cards 5 bottom surface contacts conducting terminal 12, be electrically conducting in addition, the signal transmitting effect, and electronic cards 5 bottom surface contacts 51 also touch the contact jaw 21 of detection terminal 2, make detection terminal 2 detect the signal of electronic cards 5 and via contact jaw 21, base portion 23, welding ends 24 transfers on the circuit board, come sensing to learn the effect of having inserted external electric subcard 5 in the plug-in card space 10 of insulating base frame 1, in addition in use at the entire card connector, also can be by covering the shield shell 4 that covers on the insulating base frame 1, extend the cramp 41 that penetrates in the connecting groove 132 downwards with its bottom surface, and the insertion of connecting groove 132 belows is the electric ground strip that contacts 42 with cramp 41, the effect (as shown in Figure 1) that provides card connector to have ground connection.

And the push unit 14 of above-mentioned explanation (Push-Push structure), electronic cards 5 secondaries are pushed and inserted in the card connector location or withdraw from the outer effect of card connector, as utilize other equivalent structure to constitute, reach to provide and move back card effectiveness and all should in like manner be contained in the claim of the present utility model.

The electronic cards 5 of above-mentioned explanation can be Compact Flash Card; CF, Secure Digital Card; CF, Secure Digital Card; SD, Memory Stick Card; MS, Smart Media Card; SM, XDPicture Card; XD, Multi Media Card; MMC C and Smart Media Card; Large-scale memory card such as SM or as microminiature storage cards such as Micro SD, Sony M2, Micro MMC.

And key protection point of the present utility model is to be directed to 12 of a plurality of conducting terminals of wearing on the base portion 11 of insulating base frame 1 for further being provided with the contact jaw 21 of detection terminal 2; and contact jaw 21 comes horizontal expansion one base portion 23 with kink 22 respectively outside the slotted eye 112 of base portion 11; and base portion 23 also extends the welding ends 24 that is welded on the preinstalled circuit plate contact downwards for welding ends 121 outsides that are set around conducting terminal 12; and welding ends 24 is respectively equipped with the buckle portion 25 that is positioned on the base portion 11 again on side and the kink 22 in addition; when the welding ends 24 alignment circuit plate surface contacts of the welding ends 121 of conducting terminal 12 and detection terminal 2 are carried out weld job; can utilize the structural design of detection terminal 2; make the welding ends 24 of detection terminal 2 and the welding ends 121 of conducting terminal 12 be a good spacing distance; prevent that welding foot is too close; problems such as welding is difficult for; avoid welding foot too close at the circuit board upper contact; and short circuit condition such as free weldering or tin cream connection; therefore; principle that all utilization the utility model are adopted and equivalent structure change, and all should in like manner be contained in the claim of the present utility model.

Therefore, the detection terminal of card connector of the present utility model is for improving existing key problem in technology:

(1) the utility model wears a detection terminal 2 by 12 of a plurality of conducting terminals on the insulating base frame 1, structure with detection terminal 2 is provided with welding ends 121 outer put of welding ends 24 away from conducting terminal 12, when conducting terminal 12 and detection terminal 2 weld on the preinstalled circuit plate, can prevent problems such as welding foot is too close, welding is difficult for, avoid welding foot too close at the circuit board upper contact, and short circuit condition such as free weldering or tin cream connection.

(2) the utility model is positioned with perception terminal group 3 through the caulking groove 131 of insulating base frame 1 support arm 13, and perception terminal group 3 is respectively equipped with contact terminal 31 and transmission terminal 32, and the contact jaw 311 of contact terminal 31 1 sides in plug-in card space 10 can be conflicted for electronic cards 5 lateral margins that insert, make contact jaw 311 be the elasticity beat and contact on the contact jaw 321 of transmission terminal 32, and welding ends 312,322 transmission signals that make contact terminal 31 and transmission terminal 32 reach sensing, anti-read-write and pintle hook lock effectiveness to circuit board.

(3) the utility model is by covering the shield shell 4 that covers on the insulating base frame 1, be extended with the cramp 41 that penetrates in support arm 13 connecting grooves 132 downwards with the bottom surface, and connecting groove 132 belows are inserted with in addition with cramp 41 and are the electric ground strip that contacts 42, when providing the entire card connector to use, can have the effect of ground connection.

Above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the utility model, but described 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 contained in the claim that the utility model contains.

In sum, the detection terminal of the card connector that the utility model is above-mentioned in use, for reaching its effect and purpose really, so the utility model really is the utility model of a practicality excellence, for meeting the application important document of novel patent, file an application in accordance with the law, expect that examining committee grants accurate this case early, to ensure creator's arduous utility model, if an ancient unit of weight office examine committee have any check doubtful, the indication of please writing to us without sparing, settled the doing one's utmost of creator cooperates, and the true feeling public affairs are just.

Claims

1, a kind of detection terminal of card connector is characterized in that, it includes insulating base frame and detection terminal, wherein:

2, the detection terminal of card connector as claimed in claim 1, it is characterized in that, the base portion both sides of described insulating base frame are extended with the support arm that forms the plug-in card space for central authorities in the same way, and can be positioned with on the side support arm in order to move back the push unit of card, and another support arm is provided with the caulking groove that is embedded the location for the perception terminal group, is provided with connecting groove again again on described two support arms.

3, the detection terminal of card connector as claimed in claim 2, it is characterized in that, described perception terminal group is respectively equipped with and staggers and be positioned contact terminal and transmission terminal in the described caulking groove, and described contact terminal is for being provided with the contact jaw of elastic arm shape at a lateral buckling, and this contact jaw opposite side extends the welding ends of contact preinstalled circuit plate surface contacts downwards, and described transmission terminal is also at the downward welding ends that is provided with contact preinstalled circuit plate surface contacts of described contact jaw one side direction.

4, the detection terminal of card connector as claimed in claim 1, it is characterized in that, further cover on the described insulating base frame and be covered with shield shell, and the cramp that is provided with in the connecting groove that penetrates described support arm is extended downwards in described shield shell bottom surface, and in the described connecting groove also below be inserted with the ground strip that fastens cramp.