CN202084700U

CN202084700U - Card connector

Info

Publication number: CN202084700U
Application number: CN2011201370455U
Authority: CN
Inventors: 林志强; 游达智
Original assignee: Proconn Technology Co Ltd
Current assignee: Proconn Technology Co Ltd
Priority date: 2011-04-28
Filing date: 2011-04-28
Publication date: 2011-12-21
Anticipated expiration: 2021-04-28

Abstract

The utility model discloses a card connector which comprises an insulating body, a plurality of conducting terminals, a shielding case, a detecting terminal group and a holding structure, wherein the insulating body is provided with a card insertion space which is used for accommodating an electronic card, a first accommodating groove and a second accommodating groove; the conducting terminals are fixed on the insulating body, and the shielding case is covered on the insulating body; the detecting terminal group comprises a push terminal and a contact terminal, and the contact terminal comprises an elastic arm part and a conductive part; the holding structure is formed between the insulating body and the contact terminal, and the insulating body can hold the elastic arm part through the holding structure to limit the conductive part. With the design of the holding structure, the card connector can be prevented from mistakenly making a judgment that an electronic card is inserted, and improves the detection function of the detecting terminal group.

Description

Card connector

Technical field

The utility model relates to a kind of connector, relates in particular to a kind of card connector.

Background technology

Present card connector generally includes an insulating body, a plurality of terminal, a shielding casing and detection terminal group, and insulating body is provided with the plug-in card space, and the detection terminal group comprises a pushing and pressing terminal and a contact terminal; Whether card connector has inserted the plug-in card space by the disconnection or the connection judgment electronic cards of pushing and pressing terminal and contact terminal.

But, miniaturization along with current electronic product, above-mentioned card connector pushes against when not inserting electronic cards between terminal and the contact terminal apart from also littler, so be easy to cause pushing against terminal and short circuit appears in contact terminal when electronic cards is not inserted because of reasons such as foozles, cause the card connector erroneous judgement to insert, thereby influence the measuring ability of detection terminal group for electronic cards.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of card connector that improves detection terminal group measuring ability is provided.

For achieving the above object, card connector that the utility model provides comprises an insulating body, a plurality of conducting terminal, a shielding casing, detection terminal group and a retaining structure; Insulating body is provided with plug-in card space, one first holding tank and one second holding tank that can be used for the holding electronic card; A plurality of conducting terminals are immobilizated on the insulating body, and shielding casing is covered on the insulating body; The detection terminal group comprises pushing and pressing terminal and a contact terminal, and the pushing and pressing terminal has a main body, a welding arm, that protrudes out formation from main body protrudes out the contact site that the elastic arm and of formation extends to form from the elastic arm end from main body; Contact terminal has a substrate, and extends to form a weld part, from substrate bending and extend to form the conducting portion that a holding section, extends to form from elastic arm portion end from elastic arm portion that the holding section bending extends to form and from the substrate bending, the main body of pushing and pressing terminal is installed in first holding tank, the holding section of contact terminal is installed in second holding tank, but contact site elasticity extend into the plug-in card space versatilely; Retaining structure is formed between insulating body and the contact terminal, and insulating body can pass through this retaining structure, and retaining is held elastic arm portion, thereby carries out spacing to conducting portion.

Wherein, the guide vane end stop of this retaining structure on this matrix, being convexly equipped with, this guide vane end stop can keep off this elastic arm portion that is held in.

Wherein, what this retaining structure was included in that this matrix rear end offers one runs through the support slot of matrix and a blocked block that protrudes out in the elastic arm portion of this contact terminal downwards, and this blocked block is inserted in this support slot.

Wherein, this card connector also is provided with a trip mechanism, and this trip mechanism has a sliding shoe and a restriction shell fragment, and this sliding shoe has a matrix, is formed with a sliding tray on this matrix end face, and this restriction shell fragment holds and is contained in this sliding tray.

Wherein, this restriction shell fragment has a fixing arm, and this fixing arm is snapped on this electronic cards.

As mentioned above, the utility model card connector is by the design of retaining structure, make to keep relatively-stationary distance reliably between pushing and pressing terminal and the contact terminal, avoid card connector not insert mistiming and be judged to and insert, improve the measuring ability of detection terminal group in electronic cards.

Description of drawings

Fig. 1 is the stereogram of a kind of embodiment of the utility model card connector.

Fig. 2 is the three-dimensional exploded view of card connector shown in Figure 1.

Fig. 3 is the stereogram of the insulating body of card connector shown in Figure 1.

Fig. 4 is the stereogram of the pushing and pressing terminal of card connector shown in Figure 1.

Fig. 5 is the stereogram of the contact terminal of card connector shown in Figure 1.

Fig. 6 is the schematic diagram of a kind of embodiment of retaining structure of card connector shown in Figure 1.

Fig. 7 is the assembling schematic diagram of card connector shown in Figure 1.

Fig. 8 is the partial enlarged drawing at card connector A shown in Figure 6 place.

Fig. 9 is the stereogram of the sliding shoe of card connector shown in Figure 2.

Figure 10 is the schematic diagram of the another kind of embodiment of retaining structure of the utility model card connector.

Figure 11 is the partial enlarged drawing at card connector B shown in Figure 10 place.

Wherein, description of reference numerals is as follows:

Card connector 1 insulating body 10

Matrix 11 plug-in card spaces 12

Socket 13 terminal grooves 14

Sliding space 15 geometric locus grooves 151

First location hole, 1511 storage tanks 152

First limited post, 153 first holding tanks 16

Second holding tank, 17 guide vane end stops 18

Support slot 18 ' conducting terminal 20

Base portion 21 elastic portion 22

Contact site 23 weldering afterbodys 24

Trip mechanism 30 sliding shoes 31

Matrix 311 sliding trays 312

Block 3,121 second location holes 313

Second limited post, 314 guiding inclines 315

Flexible member 32 guide bars 33

Restriction shell fragment 34 basic arms 341

Support arm 342 fixing arms 343

Shielding casing 40 cover plates 41

Side pole 42 baffle plates 43

Card 44 elasticity compressed tablets 45

Detection terminal group 50 pushing and pressing terminals 51

Main body 511 welding arms 512

Elastic arm 513 contact sites 514

Contact terminal 52 substrates 521

Weld part 522 holding sections 523

Elastic arm portion 524 blocked blocks 5241

Conducting portion 525 projectioies 5251

Electronic cards 60 breach 61

Retaining structure 2

Embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.

See also Fig. 1, Fig. 2 and Fig. 6, the utility model card connector 1 is used to connect electronic cards 60, and it comprises an insulating body 10, a plurality of conducting terminal 20, a trip mechanism 30, a shielding casing 40, detection terminal group 50 and a retaining structure 2.

See also Fig. 2, Fig. 3, Fig. 4 and Fig. 8, described insulating body 10 has the matrix 11 of rectangular bulk roughly, convexes with a plurality of fixture blocks 111 on the lateral wall of matrix 11 respectively.Be concaved with a plug-in card space 12 that can be used for holding electronic card 60 on the matrix 11, these plug-in card space 12 front ends have a socket 13, and plug-in card space 12 bottom notch form a terminal groove 14 that runs through matrix 11 up and down.The side of matrix 11 in plug-in card space 12 offers a sliding space 15, the left side, rear end is recessed to form a geometric locus groove 151 in the sliding space 15, offer one first location hole 1511 in this geometric locus groove 151, the right is recessed to form a storage tank 152 in the sliding space 15, and storage tank 152 back side edge protrude out one first limited post 153 forward; One first holding tank 16 is offered in matrix 11 rearward end left side, and one second holding tank 17 is offered on matrix 11 rearward end right sides.

See also Fig. 2, described conducting terminal 20 is immobilizated on the insulating body 10 in integrated mode.Described a plurality of conducting terminal 20 has the base portion 21 of a strip respectively, base portion 21 1 ends bend the elastic portion 22 that extends to form a strip of sheet obliquely, elastic portion 22 terminal bendings extend to form the contact site 23 of an arc, and the bending downwards of base portion 21 other ends extends to form a weldering afterbody 24.Described a plurality of conducting terminal 20 is contained in respectively in the terminal groove 14 of insulating body 10, contact site 23 extends in the described plug-in

card space

12,24 of afterbodys of weldering extend to outside these insulating body 10 bottoms, go up corresponding electrical contact to be welded in printed circuit board (PCB) (figure does not show).

See also Fig. 2, Fig. 7 and Fig. 9, described trip mechanism 30 includes a sliding shoe 31, a flexible member 32, a guide bar 33 and a restriction shell fragment 34.Trip mechanism 30 is mounted slidably in this sliding space 15, as shown in Figure 9, sliding shoe 31 has a matrix 311 that is microscler bulk, be formed with a sliding tray 312 on matrix 311 end faces, sliding tray 312 inside are convexly equipped with two blocks 3121, one second location hole 313 is offered in matrix 311 leading sections left sides, and matrix 311 leading flanks protrude out one second limited post 314, and matrix 311 is near offering a guiding face 315 that is chamfering on the sides in plug-in card space 12.Flexible member 32 is installed in the storage tank 152, and an end is sheathed on first limited post 153, and the other end is sheathed on second limited post 314 of sliding shoe 31, and flexible member 32 can be bestowed the strength that resets that this sliding shoe 31 moves forward.Guide bar 33 1 ends are pegged graft and are fixed in first location hole 1511 of this insulating body 10, guide bar 33 other ends then are plugged in second location hole 313 of sliding shoe 31, and this guide bar 33 can divide two sections motions to reach plug-in card respectively, to move back the effect of card in geometric locus groove 151.

The basic arm 341 that restriction shell fragment 34 has a strip of sheet, basic arm 341 1 ends bend forward and extend to form a support arm 342, and support arm 342 terminal complications extend to form the fixing arm 343 of an arcuation.Restriction shell fragment 34 holds in the sliding tray 312 that is contained in sliding shoe 31, and block 3121 separates basal wall 341 and fixing arm 343.

Please continue and consult Fig. 1 and Fig. 2, described shielding casing 40 has a cover plate 41, two and bends the baffle plate 43 that extends to form by the side plate 42 that extends to form under these cover plate 41 1 side direction and downwards by cover plate 41 front end right parts respectively, respectively be provided with a plurality of card 44 on biside plate 42 and the baffle plate 43, described a plurality of card 44 respectively with insulating body 10 on a fixture block 111 fasten and be one so that shielding casing 40 engages with insulating body 10.Have one downward-slopingly to extend to form an elasticity compressed tablets 45 on the cover plate 41 of shielding casing 40, this elasticity compressed tablets 45 presses on this guide bar 33, makes being matched with in this geometric locus groove 151 that this guide bar 33 can be stable.

See also Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, described detection terminal group 50 comprises a pushing and pressing terminal 51 and a contact terminal 52, pushing and pressing terminal 51 has a strip main body 511, main body 511 1 sides protrude out the welding arm 512 that a bending is downwards extended, main body 511 opposite sides protrude out upwards a bending and the elastic arm 513 of extension to the right, the elastic arm 513 terminal arcuation contact sites 514 that form; Contact terminal 52 has a strip substrate 521, substrate 521 1 ends bending downwards extend to form a weld part 522, the bending of substrate 521 other ends extends to form a holding section 523, holding section 523 bends and extends to form an elastic arm portion 524 backward left, these elastic arm portion 524 ends are established an arc conducting portion 525, and conducting portion 525 is relatively simultaneously established a projection 5251 in pushing and pressing terminal 51.

See also Fig. 7, a side of the electronic cards 60 that the utility model card connector 1 is cooperated is provided with a breach 61.This electronic cards 60 is inserted by the socket 13 of card connector 1, when electronic cards 60 enters plug-in card space 12, the fixing arm 343 of the restriction shell fragment 34 of trip mechanism 30 is snapped on the breach 61 of this electronic cards 60 immediately, makes this electronic cards 60 be able to be fixed on the sliding shoe 31 by restriction shell fragment 34.When this electronic cards 60 was inserted into 12 location, plug-in card space, the contact on this electronic cards 60 can be reached connection with the contact site 23 corresponding contacts of described conducting terminal 20, made this electronic cards 60 reach electric connection with circuit board by this card connector 1.

The utility model card connector 1 is provided with a retaining

structure

2,2 one kinds of embodiment of this retaining structure such as Fig. 6 and shown in Figure 8, and the about center in matrix 11 rear ends is convexly equipped with a guide vane end stop 18, and guide vane end stop 18 can keep off the elastic arm portion 524 that is held in contact terminal 52.

See also Figure 10 and Figure 11, it has pointed out another kind of retaining structure 2, the about center in matrix 11 rear ends is offered a support slot 18 ' that runs through insulating body 10, the elastic arm portion 524 of contact terminal 52 protrudes out a blocked block 5241 downwards, this blocked block 5241 is inserted in the support slot 18 ', and this support slot 18 ' cooperates with blocked block 5241 and forms retaining structure 2 thus.

See also Fig. 6, Fig. 7, Fig. 8, Figure 10 and Figure 11, the main body 511 of described pushing and pressing terminal 51 is installed in first holding tank 16, but contact site 514 elasticity of pushing and pressing terminal 51 extend in the plug-in card space 12 versatilely, the holding section 523 of contact terminal 52 is installed in second holding tank 17, and welding arm 512 and weld part 522 stretch out in respectively outside the insulating body 10.The design of retaining structure 2, make insulating body 10 to keep off and hold elastic arm portion 524, and then carry out spacing to conducting portion 525, thereby make contact terminal 52 and pushing and pressing terminal 51 keep relatively-stationary distance reliably, when electronic cards 60 is inserted, the contact site 514 of the electronic cards 60 terminal pushing and pressing terminals 51 of conflicting, thus the positive force that contact site 514 is subjected to backward moves backward, final contact site 514 contacts with the projection 5251 of conducting portion 525, thus the signal of stable output electronic cards 60.

As mentioned above, the utility model card connector 1 is by the design of retaining structure 2, make to keep relatively-stationary distance reliably between pushing and pressing terminal 51 and the contact terminal 52, be judged to and insert the measuring ability of raising detection terminal group 50 thereby avoid card connector 1 not insert mistiming in electronic cards 60.

Claims

1. a card connector is used to connect electronic cards, comprises an insulating body, a plurality of conducting terminal, a shielding casing and a detection terminal group; This insulating body is provided with plug-in card space, one first holding tank and one second holding tank that can be used for ccontaining this electronic cards; Described a plurality of conducting terminal is immobilizated on this insulating body, and this shielding casing is covered on this insulating body; This detection terminal group comprises pushing and pressing terminal and a contact terminal, and this pushing and pressing terminal has a main body, a welding arm, that protrudes out formation from this main body protrudes out the contact site that the elastic arm and of formation extends to form from this elastic arm end from this main body; This contact terminal has a substrate, one weld part that extends to form from the bending of this substrate, one from holding section that the bending of this substrate extends to form, one conducting portion that extends to form from this elastic arm portion end from elastic arm portion that the bending of this holding section extends to form and, the main body of this pushing and pressing terminal is installed in this first holding tank, the holding section of this contact terminal is installed in this second holding tank, but this contact site elasticity extend into this plug-in card space versatilely, it is characterized in that: this card connector also comprises a retaining structure, this retaining structure is formed between this insulating body and this contact terminal, this insulating body can be held this elastic arm portion by this retaining structure retaining, thereby carries out spacing to this conducting portion.

2. card connector as claimed in claim 1 is characterized in that: the guide vane end stop of this retaining structure for being convexly equipped with on this matrix, this guide vane end stop can keep off this elastic arm portion that is held in.

3. card connector as claimed in claim 1 is characterized in that: what this retaining structure was included in that this matrix rear end offers one runs through the support slot of matrix and a blocked block that protrudes out in the elastic arm portion of this contact terminal downwards, and this blocked block is inserted in this support slot.

4. card connector as claimed in claim 1, it is characterized in that: this card connector also is provided with a trip mechanism, this trip mechanism has a sliding shoe and a restriction shell fragment, this sliding shoe has a matrix, be formed with a sliding tray on this matrix end face, this restriction shell fragment holds and is contained in this sliding tray.

5. card connector as claimed in claim 4 is characterized in that: this restriction shell fragment has a fixing arm, and this fixing arm is snapped on this electronic cards.