CN201142453Y

CN201142453Y - Detection device of card connector

Info

Publication number: CN201142453Y
Application number: CNU2007201964885U
Authority: CN
Inventors: 蔡志鸿; 张桂华
Original assignee: Suyin Electronics Dongguan Co Ltd
Current assignee: Suyin Electronics Dongguan Co Ltd
Priority date: 2007-12-27
Filing date: 2007-12-27
Publication date: 2008-10-29
Anticipated expiration: 2017-12-27

Abstract

The utility model provides a card connector detection device comprises an insulating base body, a switch terminal, and a metal housing fixedly clamped on the insulating base body, wherein the switch terminal has a fixed end, which is folded to form a slightly warping elastic sheet; a butt portion and a pick portion connected with the butt portion are convexly arranged at the front end of the elastic sheet; the elastic sheet is accommodated in a deep groove of the insulating base body; an opening is formed on a cover plate in a corresponding position at the front end of the deep groove on the insulating base body clamped with the metal housing; an L-shaped elastic sheet vertically folded downwards is arranged on a wall edge of the opening close to the sidewall of the metal housing; and the horizontal section of the L-shaped elastic sheet is just arranged on the pick portion on the front end of the elastic sheet of the switch terminal to form a set of detection device. When an electronic card is inserted and butted against the butt portion of the switch terminal, the butt portion moves to the deep groove to force the pick portion to be separated from the horizontal section, thus forming the detection device capable of accurately detecting the electronic card.

Description

The card connector arrangement for detecting

Affiliated technical field

The utility model provides a kind of card connector arrangement for detecting, and whether especially a kind of connector internal electrical subcard of can accurately detecting has the arrangement for detecting that inserts inversion.

Background technology

Existing electronic product is read for realizing data as scheduled, is equiped with single deck tape-recorder formula or multiple-card connector in reader device.No matter the single deck tape-recorder formula still is a multiple-card structure connector, the card connector that incunabulum comes out all is not provided with the card arrangement for detecting, but in prolonged application, find card connector timely read data sometimes, search related causes and be that sometimes electronic cards do not insert inversion fully and cause, for alleviate electronic cards through insertion not inversion can not in time find the drawback place, implementation has the arrangement for detecting card connector whether the detected electrons card inserts inversion, transmits access action by the arrangement for detecting log-on data.

So relevant card connector arrangement for detecting structure sees also Fig. 1, shown in 2, card connector 100 arrangement for detecting structures realize that it includes an insulating base frame 10, switch terminal 20, and be fastened on the insulating base frame 10 metal clamshell 30 and form, switch terminal 20 is fixed on insulating base frame 10 1 sides with the preformed molding mode, this switch terminal 20 has a main body 21, be provided with oblique cross wall 22 in main body 21 ends, being connected with oblique cross wall 22 is a transition part 23 and weld part 24, in main body 21 other end bendings and to being provided with the slightly skew wall 25 of perk, has a horizontal cross wall 26 on this skew wall 25, playing wall 27 extends from the high perk that makes progress of horizontal cross wall 25 1 ends, and protuberance convexes with contact site 28 on bullet wall 27, this contact site 28 connects with the cover plate 31 that is fastened on metal clamshell 30 on the insulating base frame 10 and forms one group of arrangement for detecting, as can be seen from Figure, cover plate 31 basal surfaces should with insulating base frame 10 end faces 11 mutually card close, and take shape in switch terminal 20 contact sites 28 end face 11 head and shoulders above among the insulating base frame 10, has big distance D, when metal clamshell 30 is fastened in insulating base frame 10, the application of force by force is bound to, play wall 27 and be subjected to bigger extraneous power interference compacting downwards, in electronic cards is inserted connector, contact site 28 is subjected to the effect of electronic cards strength again, play wall 27 again towards being subjected to external force to disturb compacting downwards, it is stressed because of the perk angle to play wall 27, institute's application of force amount exceeds bullet wall 27 elastic force, elasticity is difficult to recover, when electronic cards is repeatedly inserted, bullet wall 27 of a specified duration will follow the string, cause the disconnected news of arrangement for detecting structure, in time the detected electrons card inserts situation, these switch terminal 20 molding structures are comparatively complicated simultaneously, cause electric connector normally not bring into play; Therefore, be necessary to carry out new improvement design at the existing defective of above-mentioned card connector arrangement for detecting.

Summary of the invention

Main purpose of the present utility model is to provide a kind of card connector arrangement for detecting, and it utilizes the portion that chooses of switch terminal shell fragment to contact with " L " type shell fragment that the metal clamshell extends setting downwards, and it can reach more stable detecting effect.

Another purpose of the present utility model is to provide a kind of card connector arrangement for detecting, switching terminal structure moulding simple and convenient more in this arrangement for detecting.

For achieving the above object, the utility model can be realized by following technical scheme: the utility model is a kind of card connector arrangement for detecting, this arrangement for detecting realizes that it includes insulating base frame, one switch terminal and the metal clamshell that is fastened on the insulating base frame constitute, wherein switch terminal its with pre-molded insulating base frame one side that is fixed in, this switch terminal has a stiff end, go out a horizontal part around the stiff end sidewall and to bending, this horizontal part front end is concaved with a recess downwards, these recesses can effectively reduce recess and extend the shell fragment height that perk is set, convex with the abutting part that connects with electronic cards at the shell fragment front end, be provided with one in the abutting part front end and choose portion, described elastic piece structure is housed in the insulating base frame deep trouth; The metal clamshell is fastened on the insulating base frame, on metal-back cover cap plate and deep trouth front end correspondence position, offer opening, be provided with one " L " type shell fragment in opening near bending downward vertically on the wall edge of metal clamshell sidewall, this " L " type shell fragment horizontal part just in time drops on switch terminal shell fragment front end and chooses in the portion, to form one group of electronic cards arrangement for detecting structure, when electronic cards is inserted and is resisted against the switch terminal abutting part, abutting part is to the deep trouth displacement and force the portion of choosing and horizontal part disengaging disconnection, and then form the arrangement for detecting that can accurately detect electronic cards, realize the data access reading.Its realization of these card connector arrangement for detecting is very convenient, can reach more stable detecting effect, further the stability of electron gain card use.

The utilization of the utility model card connector arrangement for detecting realizes obvious to advantage compared with the prior art: 1. known arrangement for detecting structure is destroyed because of being subjected to the external force effect, influencing arrangement for detecting detects effect even can't detect, arrangement for detecting can not normally be brought into play, the utility model structure then utilize the metal clamshell to " L " type shell fragment that the insulating base frame direction is provided be arranged on insulating base frame in the switch terminal portion of choosing contact, the bent angle of the shell fragment that the portion that chooses is provided with is less, can not follow the string because of external force; 2. conventional construction switch terminals bullet wall tiltedly goes out through the secondary folding at least, the complex structure difficult forming, and the utility model switching terminal structure moulding simple and convenient is improved previous card connector arrangement for detecting weak point greatly.

Description of drawings

Fig. 1 is for commonly using the card connector structural representation;

Fig. 2 is for commonly using the switch terminal stereogram of card connector;

Fig. 3 is the utility model card connector perspective view;

Fig. 4 is the switching terminal structure stereogram of the utility model card connector;

Fig. 5 is the utility model card connector assembling back stereogram;

Fig. 6 is the utility model card connector A-A direction cutaway view;

Cutaway view when Fig. 7 inserts in the card connector for the utility model electronic cards.

Conventional construction

The 100-card connector, the 10-insulating base frame, the 11-end face, the 20-switch terminal, the 21-main body, the horizontal skew wall of 22-, the 23-transition part, the 24-weld part, the 25-skew wall, the horizontal cross wall of 26-, 27-bullet wall, the 28-contact site, 30-metal clamshell, the 31-cover plate,

The utility model structure

The 200-card connector, 40-insulating base frame, 41-mainboard, 42, the 43-side plate, 44-plant space, 45-inserted terminal, the 46-stiff end, 47-deep trouth, 48-concave station, the 481-deep hole, 50-switch terminal, 51-stiff end, the horizontal cross wall of 52-, 53-side lever, 54-weld part, the horizontal mobile jib of 55-, 56-recess, 57-shell fragment, the 571-abutting part, 572-chooses portion, the 60-electric terminal, the 70-trip mechanism, 80-metal clamshell, 81-cover plate, 82,83-sidewall, 84-opening, 85-" L " type shell fragment, the 86-horizontal part, 861-spacer, 300-electronic cards.

Embodiment

Now cited in conjunction with the accompanying drawings specific embodiment describes in detail as the back the structure of the utility model card connector arrangement for detecting, feature and effect:

See also Fig. 3 and shown in Figure 6, this card connector 200 includes insulating base frame 40, switch terminal 50, electric terminal 60, trip mechanism 70 and the metal clamshell 80 that is fastened on the insulating base frame 40 constitutes; The arrangement for detecting system that wherein realizes these card connector 100 electronic cards detections by insulating base frame 40, set firmly the switch terminal 50 in the insulating base frame and the metal clamshell 80 that fixes on the insulating base frame just can be realized.

Switch terminal 50 and electric terminal 60 are to be fixed in the insulating base frame 40 with the preformed molding mode, insulating base frame 40 has a mainboard 41, extend on mainboard 41 2 side direction and be provided with

side plate

42,43, these

side plates

42,43 and mainboard 41 common formation electronic cards plant spaces 44, this plant space 44 has inserted terminal 45 and stiff end 46, be provided with in stiff end 46 and near side plate 43 and accommodate switch terminal 50 deep trouths 47 structures, be provided with concave station 48 at deep trouth 47 front ends, on these concave stations 48, be provided with the deep hole 481 that extends to mainboard 41 basal surfaces.

Switch terminal 50 concrete structures see also shown in the 4th figure, this switch terminal 50 has a stiff end 51, this stiff end 51 has horizontal cross wall 52 and side lever 53, laterally cross wall 52 is not held and is provided with weld part 54,53 of side levers also go out a horizontal mobile jib 55 to bending, horizontal mobile jib 55 front ends are concaved with a recess 56 downwards, this recess 56 can make the shell fragment 57 that is extended by recess 56 front ends effectively reduce height, prevent that switch terminal 50 is because of the too high outside destroy by force that is subjected to of shell fragment 57 perks, convex with the abutting part 571 that connects with electronic cards at shell fragment 57 front ends, be provided with one in abutting part 571 front ends and choose portion 572, this chooses portion 572, and it contacts the synthetic arrangement for detecting structure of structure with " L " type shell fragment 85 of metal clamshell 80.

Metal clamshell 80 has a cover plate 81, be provided with the

sidewall

82,83 that is connected to side plate 42 and side plate 43 in the extension downwards of cover plate 81 2 lateral margins, metal clamshell 80 cover plates 81 offer an opening 84 with insulating base frame 40 deep trouths 47 front end correspondence positions, be abutted against proximal wall 83 inner friezes in opening 84 and be provided with " L " type shell fragment 85 to the concave station 48 of deep trouth 47, should have the horizontal part 86 that parallels with cover plate 81 by " L " type shell fragment 85, this horizontal part 86 is located on the concave station 48, and horizontal part 86 dashes downwards with deep hole 481 correspondence positions and is provided with the spacer 861 that cooperates with deep hole.

This card connector 200 combining structures see also shown in Fig. 5,6, when metal clamshell 80 fixes insulating base frame 40, the cover plate 81 of metal clamshell 80 can't be to switch terminal 50 shell fragments 57 strength of exerting pressure, " L " type shell fragment 85 horizontal parts 86 just in time are located on the concave station 48, spacer 861 inserts deep hole 481 internal fixation in horizontal part 86, this horizontal part 86 is wider than concave station 48, these horizontal parts 86 protrude from concave station 48 parts and just choose portion 572 with shell fragment 57 front ends of fixed terminal 50 and contact, with formation arrangement for detecting structure.Please again referring to shown in Figure 7, when electronic cards 300 is inserted in the card connector 200, electronic cards 300 is connected on the abutting part 571 of shell fragment 57 protuberances, abutting part 571 is far above choosing portion 572, shell fragment 57 moves down to deep trouth 47 because of elasticity, force the portion of choosing 572 to break away from and disconnect, insert situation to form arrangement for detecting structure detection electronic cards with horizontal part 86.

The structure of the utility model card connector arrangement for detecting, can avoid the conventional construction switch terminal when electronic cards is not inserted, to be subjected to by force being subjected to the external force effect once more behind cover plate pressure and the plug-in card and destroy, influence connector detecting effect, the utility model arrangement for detecting can reach more stable detecting effect, further the stability of electron gain card use.

Be familiar with enforcement utility model purpose and the effect that this operator understands the utility model spirit strictly according to the facts for making, for embodiment and accompanying drawing only be that the utility model is illustrated, not to the utility model any restriction in addition, the utility model still can have other variation execution mode, so allly be familiar with this operator and carry out other pattern under this case utility model spirit and implement not breaking away from, the equivalence that all should be considered as this case claim is implemented.

Claims

1. card connector arrangement for detecting, it includes insulating base frame (40), switch terminal (50) and the metal clamshell (80) that is fastened on the insulating base frame (40) constitutes, wherein switch terminal (50) is fixed in insulating base frame (40) one sides, this switch terminal (50) have a stiff end (51) and with stiff end (51) and the shell fragment (57) that goes out to bending, it is characterized in that: this shell fragment (57) is housed in insulating base frame (40) deep trouth (47), be provided with the abutting part (571) of projection in shell fragment (57) front end, have the portion of choosing (572) at the front end of abutting part (571); Metal clamshell (80) cover plate (81) is positioned at deep trouth (47) front end correspondence position and is provided with opening (84), this opening (84) is provided with " L " type shell fragment (85) near the wall edge of metal clamshell (80) sidewall to the preceding extreme direction of insulating base frame (40) deep trouth (47), this " L " type shell fragment (85) is crimped on switch terminal (50) just and chooses in the portion (572), to form one group of arrangement for detecting structure.

2. card connector arrangement for detecting as claimed in claim 1, it is characterized in that: switch terminal (50) stiff end (51) has a horizontal cross wall (52) and side lever (53), laterally cross wall (52) is not held and is connected with weld part (54), be connected between stiff end (51) side lever (53) and the shell fragment (57) and be provided with and to the horizontal mobile jib (55) of side lever (53), this horizontal mobile jib (55) front end is provided with recess (56).

3. card connector arrangement for detecting as claimed in claim 1, it is characterized in that: metal clamshell (80) falls to being connected on the concave station (48) of deep trouth (47) front end to " L " type shell fragment (85) that deep trouth (47) front end extends, and this concave station (48) is provided with the deep hole (481) that extends to insulating base frame (40) bottom.

4. card connector arrangement for detecting as claimed in claim 1 is characterized in that: should have a horizontal part (86) by " L " type shell fragment (85), this horizontal part (86) is provided with the spacer (861) that cooperates with concave station (48) deep hole (481).

5. card connector arrangement for detecting as claimed in claim 4 is characterized in that: should be wider than deep trouth concave station (48) structure by " L " type shell fragment (85) horizontal part (86), the horizontal part projection can be kept in touch with the switch terminal portion of choosing.