CN201311988Y - Locking plate structure of card connector - Google Patents

Abstract

The utility model provides a locking plate structure of a card connector, which comprises an insulating base body, an elastic positioning part and a locking part. A plurality of conducting terminals are arranged in a base slot in the insulating base body; an abutting joint space is formed between two supporting arms extending along the same direction on two sides; the elastic positioning part and the locking part are separately arranged on the two supporting arms; when being inserted in the slot slantwise, a preset electronic card can rotate downwards through taking the slot as a pivot, so that the lateral margin can firstly be propped against a guide bevel on the locking part and is interlocked with an elastic arm extending with the elastic positioning part along the same direction; a limiting baffle plate positioned on the outer side of the elastic arm is used for restricting the excessive elastic deformation and displacement generated and is clamped into a pressing joint groove downwards along the guide bevel; a stopping piece on the front side of the elastic arm is propped against the plated surface of the preset electronic card and simultaneously avoids the tripping-ff or the release; and the locking part can be stably locked on the preset electronic card to be positioned through the elastic reset force of the elastic arm.

Description

A kind of jam plate structure of card connector

Technical field

The utility model provides a kind of jam plate structure of card connector, especially refer to a kind of flexible positioning piece of jam plate structure and the jam plate structure of the card connector that latch part is the discrete group structure, its elastic arm can keep suitable intensity and operate simple and easy, quick, and with the strain displacement of postive stop baffle limit excessive, the effectiveness of avoiding the electronic cards tripping simultaneously, deviating from.

Background technology

Computer technology is grown up with the speed of making rapid progress now, the development trend of its computer is also strong towards calculation function, the fast direction of speed strides forward, and often be used in computer, electronic dictionary etc., be used for extended storage, network card, modem, scsi device is (as high capacity hard disk, scanner etc.) electronic cards, and the electronic cards pattern can be PCMCIA (Personal Computer Memory Card International Association), general PCMCIA to SCSI, PCMCIA to IDE etc., all can allow notebook computer be used the multiple interfaces device of PC, and all support the ability of plug and play (Plug and Play) in the middle of most notebook computer, or even support hot plug (Hot Plug) function that do not need to start shooting again and just can directly use.

In addition, the employed electronic cards pattern of electronic product can be divided into compact flash card (CompactFlash Card haply, the CF card), memory stacking card (Memory Stick, Card, the MS card), safe digital card (Secure Digital Card, SD card), multimedia card (Multi-Media Card, mmc card) and smart media cards (Smart Media Card, the SM card), be that a series of electronic cards that designing institute produces are improved on the basis by above-mentioned electronic cards.

Yet, the middle specification maximum of electronic cards just belongs to the CF card, and be plugged in the card connector to form to electrically contact with the CF card and carry out the data access action, see also Fig. 8, shown in Figure 9, be respectively the three-dimensional exploded view of existing three-dimensional exploded view and locker, wherein bayonet connector mainly includes insulating body A, a plurality of conducting terminal B and locker C, and insulating body A front end is formed with the slot A 1 that the subcard of can powering inserts, and before the slot A 1, arrange a plurality of conducting terminal B for being equipped with two in the terminal groove of rear end, and the locker C that can carry out the snap close location to electronic cards is installed in the slot A2 at slot A 1 two ends; Moreover, locker C is made of metalwork C1 and plastic parts C2, and metalwork C1 has the first panel C11 and the second panel C12, but and on the first panel C11, be provided with can be for the elasticity arm of force C112 that is installed on installation portion C111 in the insulating body A slot A2 and elasticity activity, be plugged in Plug Division C113 on the plastic parts C2 and lower limb thereof and bend to extend and be positioned at the inboard hook portion C114 that locates of the second panel C12, and the second panel C12 is bent to extend by the first panel C11 top edge forms smooth shape, and the described second panel C12 extends weld part C121; Described plastic parts C2 is fixing by the Plug Division C113 formation assembling of draw-in groove C21 and metalwork C1 in addition, and after being provided with oblique latch part C22 and arc latch part C23 on the plastic parts C2, make locker C can plastic parts C2 under the elastic reaction of metalwork C1 elasticity arm of force C112 and reach the effectiveness of snap close electronic cards; But described bayonet connector is in use, still has many shortcomings, and division is as follows:

1, above-mentioned electronic cards utilizes the first panel C11 to bend extended hook portion C114 block in the inboard place of the second panel C12, elasticity scope of activities in order to restriction elasticity arm of force C112, but during because of elasticity arm of force C112 start, just can come the related second panel C12 that makes to make bigger elasticity scope of activities, torsional deformation towards the outside with hook portion C114, thus electronic cards easily because of skew or rock tripping, deviate from locker C outside.

2, above-mentioned metalwork C1 is installed on installation portion C111 in the slot A2 at insulating body A slot A 1 two ends and locatees, make its first panel C11 and the second panel C12 promptly must have the certain-length plastic parts C2 that can arrange in pairs or groups and carry out the snap close electronic cards, and because of can't effectively reducing the predetermined length of the first panel C11, so that elasticity arm of force C112 is long and concentrate, subdue disappearance such as fracture and take place for produce stress in the turning point when causing the elasticity activity.

3, but above-mentioned plastic parts C2 auxiliary electrical subcard is with in the oblique slot A 1 that is inserted in insulating body A of low insertion force, and after the inclined-plane on the oblique latch part C22 makes flexible flexible staybolt and supports towards the outside, locate in the groove of arc latch part C23 towards the below rotating latch again, but because of the two plastic parts C2 of locker C be configured as be mutual corresponding design, improve and when producing, need distinctly offer the degree of difficulty and the cost that uses of material of mould on just can making, also can't reduce its mold design and making.

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

Summary of the invention

The creator collects related data because above-mentioned problem and disappearance, via assessing in many ways and consider, and utilizes the research and development experience for many years of engaging in the industry constantly to study and revise, and the beginning is designed the novel birth of the jam plate structure of this kind card connector.

Main purpose of the present utility model is to provide a kind of jam plate structure of card connector, when default electronic cards is inserted in slot so that low insertion force is oblique, make its lateral margin just can compress guide ramp on the latch part earlier, and the elastic arm that interlock extends in the same way in flexible positioning piece, and the postive stop baffle in the elastic arm outside limits it and produces excessive strain shift length and scope, snap in to crimp groove towards the below along guide ramp again, and compress with the retaining piece of elastic arm front side on the plate face of default electronic cards, can avoid simultaneously default electronic cards because of being offset or rocking tripping, emerge in outside the jam plate structure, it is firm can making latch part by elastic arm elastic reset power, snap close is located on default electronic cards, crimp groove with latch part provides its high tensile pull out force again, and then any slip or the beat of having caused easily when preventing that default electronic cards is influenced by external force, crooked situation.

Secondary objective of the present utility model is to provide a kind of jam plate structure of card connector, slippage is held in the base internal wall face to the chute of its flexible positioning piece in order can be pushed also by the positioning track on the insulating base frame support arm, making the shell fragment of its outer side surface promptly stride across oblique protuberance and fasten along limit sliding chutes locatees to the catching groove of rear side, so, just can be by positioning track, the limit sliding chutes structural design makes things convenient for flexible positioning piece to carry out inserting in advance the location, and provide the good slip of shell fragment to support displacement, also can effectively reduce the required predetermined length of elastic arm, when avoiding causing its strain displacement because of the long institute of elastic arm the place, turning point be easy to generate that stress is concentrated or prolonged and repeated use under cause and subdue slight crack, the disappearance of fracture takes place.

Another purpose of the present utility model is to provide a kind of jam plate structure of card connector, latch part can be one-body molded made by a large amount of ejaculations of plastic cement modularity, no matter be that all interchangeable assembling of flexible positioning piece that is positioned on the insulating base frame and arranged on left and right sides support arm is used, and when producing, do not need distinctly to offer mould, this kind shared same mould manufacturing can reduction mold design and the degree of difficulty of making, and effectively save the material use cost, and have the volume production of being convenient to, assembling is more convenient, and the shared latch part of module also can reach after assembling and locatees clear and definite effectiveness.

For achieving the above object, the utility model provides a kind of jam plate structure of card connector, includes insulating base frame, flexible positioning piece and latch part,

Described insulating base frame has a pedestal, and described base interior slot is equipped with a plurality of conducting terminals, is extended with support arm in the same way in described pedestal both sides, and described two arm rooms have the default electronic cards of confession and are inserted into the interior butt joint space of described slot;

Described flexible positioning piece one side has the pedestal that is the hollow frame shaped, be formed with the engaging space that penetrates the location for described support arm in this base interior, described flexible positioning piece is extended with the elastic arm and the postive stop baffle of tool turning point in the same way with respect to the opposite side of this pedestal, described postive stop baffle inboard is formed with the deformation space for the displacement of described elastic arm strain, and bending inwards at described postive stop baffle root edge is extended with the weld part that supplies to be welded on the preinstalled circuit plate;

Described latch part one side has the socket space that penetrates the location for elastic arm, described socket space inwards is formed with the crimp groove that snaps in the location for default electronic chuck plate edge, stretch at the external skew back of described crimp groove two-phase and to be formed with guide ramp, described latch part is formed with the passing inclined-plane with respect to the opposite side periphery in described socket space.Compared with prior art, the jam plate structure of card connector described in the utility model, the flexible positioning piece of its jam plate structure and latch part are the discrete group structure, make its elastic arm can keep suitable intensity and operate simple and easy, quick, and with the strain displacement of postive stop baffle limit excessive, the effectiveness of avoiding the electronic cards tripping simultaneously, deviating from.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model preferred embodiment;

Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 3 is the three-dimensional exploded view of the utility model jam plate structure;

Fig. 4 is the top plan view before the utility model preferred embodiment assembling;

Fig. 5 is the top plan view after the utility model preferred embodiment assembling;

Fig. 6 is the stereo appearance figure before the utility model preferred embodiment is used;

Fig. 7 is the stereo appearance figure after the utility model preferred embodiment is used;

Fig. 8 is existing three-dimensional exploded view;

Fig. 9 is the three-dimensional exploded view of existing locker.

Description of reference numerals: 1-insulating base frame; 10-docks the space; The 122-limit sliding chutes; The 11-pedestal; The oblique protuberance of 123-; The 111-slot; The 124-catching groove; The 12-support arm; 13-fool proof portion; The 121-positioning track; The 14-support portion; The 2-conducting terminal; The 21-base portion; The 22-weld part; The 23-contact site; The 3-flexible positioning piece; The 30-engaging space; The 31-pedestal; The 311-chute; The 312-shell fragment; The 32-elastic arm; The 321-turning point; The 322-cramp; The 323-retaining piece; 324-eats tooth; The 33-postive stop baffle; The 330-deformation space; The 331-weld part; The 332-holding piece; The 4-latch part; 41-socket space; The 411-draw-in groove; The 42-crimp groove; The 421-short slot; The 43-guide ramp; 44-passes the inclined-plane; The 5-electronic cards; The A-insulating body; The A1-slit; The A2-slot; The B-conducting terminal; The C-locker; The C1-metalwork; C11-first panel; The C111-installation portion; The C112-elasticity arm of force; The C113-Plug Division; The C114-hook portion; C12-second panel; The C121-weld part; The C2-plastic parts; The C21-draw-in groove; The oblique latch part of C22-; C23-arc latch part.

Embodiment

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

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, be respectively stereo appearance figure, the three-dimensional exploded view of the jam plate structure of the described card connector of the utility model preferred embodiment, three-dimensional exploded view, the top plan view before the assembling and the top plan view after the assembling of jam plate structure, find out by knowing among the figure, the utility model mainly includes insulating base frame 1, a plurality of conducting terminal 2, flexible positioning piece 3 and latch part 4, so with regard to the main member of this case and feature describes in detail as after, wherein:

Described insulating base frame 1 has a pedestal 11, described pedestal 11 inside are provided with the slot 111 that can wear the location for a plurality of conducting terminals 2, and be extended with support arm 12 in the same way in described pedestal 11 both sides, 12 of described two support arms have and can be inserted into butt joint space 10 in the slot 111 for default electronic cards 5, and butt joint space 10 be positioned at that two support arms, 12 inboards are provided with relatively can be for the positioning track 121 of block in default electronic cards 5 outer side edges; Moreover support arm 12 cuts open with respect to the outer side edges of positioning track 121 and is provided with limit sliding chutes 122, tiltedly stretches the catching groove 124 that is formed with oblique protuberance 123 and is positioned at oblique protuberance 123 rear sides towards pedestal 11 directions on described limit sliding chutes 122 side wall surfaces; The 10 inboard places, butt joint space of described pedestal 11 are provided with and can prevent that default electronic cards 5 mistakes are inserted in the fool proof portion 13 in the slot 111 in addition; The a plurality of relatively conducting terminals of slot 111 2 both sides are extended with the support portion 14 that is positioned at butt joint space 10 in the same way again.

Described a plurality of conducting terminal 2 is for having a base portion 21, and base portion 21 1 sides are provided with and can be piercing in the outside weld parts 22 that are electrically connected with the preinstalled circuit plate of pedestal 11, and described base portion 21 is provided with away from the opposite side of weld part 22 and can be inserted into the contact site 23 that is a continuous bending in the slot 111.

Described flexible positioning piece 3 is made by the moulding of metal material integrated punching, and flexible positioning piece 3 one sides have the pedestal 31 that is the hollow frame shaped, and be formed with the engaging space 30 that can penetrate the location in pedestal 31 inside for insulating base frame 1 support arm 12, and then engaging space 30 inwards is formed with the chute 311 that can be corresponding slippage location with positioning track 121, and described chute 311 outer side surfaces are provided with shell fragment 312; In addition, flexible positioning piece 3 is extended with the elastic arm 32 and the postive stop baffle 33 of tool turning point 321 in the same way with respect to the opposite side of pedestal 31, be provided with cramp 322 respectively and can preset electronic cards 5 lip-deep retaining pieces 323 and be positioned at place, elastic arm 32 front sides, and two outer side edges of cramp 322 are provided with a plurality of teeth 324 of eating relatively for pressing on; Being formed with in postive stop baffle 33 inboards in addition can be for the deformation space 330 of restriction elastic arm 32 strain shift lengths with scope, and postive stop baffle 33 the place ahead root edges bend inwards respectively and are extended with the weld part 331 that can be welded on the preinstalled circuit plate and are positioned at the elastic arm 32 inboard holding pieces of locating 332.

Described latch part 4 is penetrated one-body molded made by plastic cement, and latch part 4 one sides have the socket space 41 that can penetrate the location for elasticity keeper 3 elastic arms 32, and on the outer side surface in socket space 41, be provided with draw-in groove 411, and then socket space 41 inwards is formed with and can snaps in the crimp groove 42 of location and be positioned on the crimp groove 42 for default electronic cards 5 plate edge, behind the short slot 421 at place, following both sides, tiltedly stretch from inside to outside in 42 liang of relative outsides of crimp groove and be formed with guide ramp 43, latch part 4 is tiltedly stretched with respect to the side periphery in addition in socket space 41 and is formed with a plurality of passing inclined-plane 44 again.

When the utility model in when assembling, earlier the support arm on the insulating base frame 1 12 is penetrated in the engaging space 30 that is positioned flexible positioning piece 3 pedestals 31, described positioning track 121 can be gone into by chute 311 1 thrusters, and slippage is held in engaging space 30 internal faces, also make simultaneously the shell fragment 312 on flexible positioning piece 3 outer side surfaces stride across oblique protuberance 123 and fasten location to the catching groove 124 of rear side along limit sliding chutes 122, so just, can pass through positioning track 121, the structural design of limit sliding chutes 122 makes things convenient for flexible positioning piece 3 to carry out inserting in advance location action, and providing shell fragment 312 good slips to support displacement, its 321 places, turning point are easy to generate stress and concentrate in the time of can effectively reducing simultaneously the required predetermined length of elastic arm 32 and avoid causing the strain displacement because of elastic arm 32 is long, cause disappearances such as the slight crack of subduing or fracture to take place under the prolonged and repeated use; Also can assist shell fragment 312 slippages to support the location, prevent that shell fragment 312 from fastening that to be subjected to oppressing stroke to the process of catching groove 124 long and cause elastic fatigue and structural damage by limit sliding chutes 122 formed headspaces.

In addition, elastic arm 32 front sides with flexible positioning piece 3 penetrate the socket space 41 that is positioned 4 tools of latch part again, make that its cramp 322 is fastened in the draw-in groove 411, retaining piece 323 sides are held on short slot 421 internal faces, eat with a plurality of that tooth 324 is engaging-in to form the firm location of fixing in socket space 41 internal faces simultaneously, and unlikely pull when latch part 4, cause loosening, outwards deviate from, flexible positioning piece 3, the latch part 4 of discrete group structure are incorporated on the support arm 12 become one, just finish the assembling of the utility model integral body.

Please continue to consult Fig. 6, shown in Figure 7, be respectively the stereo appearance figure after preceding stereo appearance figure and use are used in the utility model preferred embodiment, find out by knowing among the figure, by above-mentioned member when using, to preset the oblique slot 111 interior location that are inserted in insulating base frame 1 of plate edge of a plurality of metallic contact (not shown)s of electronic cards 5 tools earlier, and with slot 111 for the default electronic cards 5 downward turns of naming a person for a particular job after, at this moment, default electronic cards 5 lateral margins just can compress the guide ramp 43 on the latch part 4 earlier, and interlock is fulcrum and do the strain displacement towards the outside in the elastic arm 32 of flexible positioning piece 3 with 321 places, turning point, simultaneously can utilize elastic arm 32 outside larger area postive stop baffles 33 to limit it and produce excessive strain shift length and scope, can not cause torsional deformation yet, then just the plate face of presetting electronic cards 5 can be snapped in along guide ramp 43 towards the below to crimp groove 42, and press on retaining piece 323 bottom surfaces on the plate face of default electronic cards 5, can avoid simultaneously default electronic cards 5 because of being offset or rocking tripping, deviate from outside the jam plate structure, provide latch part 4 snap closes on default electronic cards 5 sides, to be one firm by the elastic reset power of elastic arm 32 again, really locate, and then after making a plurality of metallic contacts of presetting 5 tools of electronic cards form the good electrical contact states with a plurality of conducting terminals 2 contact sites 23 in the slot 111, can be for presetting actions such as transmission of electronic cards 5 signals or data access.

And in default electronic cards 5 with low insertion force in the oblique slot 111 that is inserted in insulating base frame 1 time, can avoid card connector to misplug institute through fool proof portion 13 and cause erroneous judgement, the situation of Card Reader does not produce, and can be held on the plate face of default electronic cards 5 by support portion 14 and the elastic arm 32 inboard holding pieces of locating 332 that extend in the same way slot 111 both sides, can be pressed on by the retaining piece 323 of elastic arm 32 front sides simultaneously on the plate face of presetting electronic cards 5 and form good clamping locating effect, the crimp groove 42 with latch part 4 provides its high tensile pull out force again, institute's any slip that caused easily or produce beat when preventing that default electronic cards 5 is influenced by external force, crooked situation; In the time of in addition outside user's desire will be preset electronic cards 5 taking-up insulating base frames 1, can pull the elastic arm 32 that passing inclined-plane 44 on latch part 4 is aided with flexible positioning piece 3 earlier and make the strain displacement action once more towards the outside, can utilize simultaneously the Flexible Reset power of a plurality of conducting terminals 2 that wear the location in the slot 111, and the plate edge that makes default electronic cards 5 is an acclivitous state after breaking away from crimp groove 42, and the person of being easy to use will preset electronic cards 5 and take out fast, saves time and laborsaving.

Therefore, the flexible positioning piece 3 that the utility model is primarily aimed at jam plate structure institute tool is discrete group structure state with latch part 4, and to make elastic arm 32 be fulcrum and do the strain displacement towards the outside with 321 places, turning point, not only can keep suitable intensity and operation quite simple and easy, fast, can utilize simultaneously elastic arm 32 outside larger area postive stop baffles 33 limit elastic arm 32 its to produce excessive strain shift length be its technical characterictic with scope, and press on the plate face of default electronic cards 5 with retaining piece 323 bottom surfaces at elastic arm 32 front sides places, can avoid simultaneously default electronic cards 5 skew to be arranged or rock tripping because of being subjected to external force to influence generation, deviate from outside the jam plate structure, also can adjust weld part 331 height that the bending of postive stop baffle 33 root edges is extended, just the card connector of different size of can arranging in pairs or groups uses reducing manufacturing cost, and the key that can improve prior art is:

1, the utility model flexible positioning piece 3 by the elastic arm 32 that extends in the same way towards outside strain displacement and be positioned at 33 restrictions of elastic arm 32 outside larger area postive stop baffles and produce excessive strain shift length and scopes, can not cause torsional deformation yet, can't reply, and press on the plate face of default electronic cards 5 with retaining piece 323 bottom surfaces at elastic arm 32 front sides places, can avoid default electronic cards 5 because of skew or rock tripping, emerge in outside the jam plate structure simultaneously.

2, the support arm 12 of institute's tool can effectively reduce the elastic arm 32 required predetermined lengths of flexible positioning piece 3 on the utility model insulating base frame 1 pedestal 1,321 places, turning point are easy to generate stress and concentrate when avoiding causing its strain displacement because of the long institute of elastic arm 32 simultaneously, or causes disappearances such as the slight crack of subduing, fracture to take place under the prolonged and repeated use.

3, the chute 311 of the utility model flexible positioning piece 3 is pushed by the positioning track 121 on insulating base frame 1 support arm 12, make described shell fragment 312 promptly stride across oblique protuberance 123 and fasten location to the catching groove 124 of rear side along limit sliding chutes 122, so, just can make things convenient for flexible positioning piece 3 to carry out inserting in advance actions such as location by the structural design of positioning track 121, limit sliding chutes 122, and provide shell fragment 312 good slips to support displacement.

4, the shell fragment 312 of 3 tools of the utility model flexible positioning piece is assisted slippage for the 122 formed headspaces of the limit sliding chutes on support arm 12 and supports the location, prevents that shell fragment 312 from fastening to the process of catching groove 124 is subjected to oppressing long elastic fatigue and the structural damage of causing of stroke.

5, the utility model latch part 4 can be one-body molded made by a large amount of ejaculations of plastic cement modularity, no matter and be that the flexible positioning piece 3 that is positioned on the insulating base frame 1 and arranged on left and right sides support arm 12 all can be assembled use, and when producing, do not need distinctly to offer mould yet, the shared latch part of this kind module is the degree of difficulty on can reducing its mold design and making, and effectively saves the material use cost.

6, the utility model latch part 4 is formed with passing inclined-plane 44 with respect to the opposite side periphery in socket space 41, can pull the elastic arm 32 that passing inclined-plane 44 on latch part 4 is aided with flexible positioning piece 3 for the user and do the strain displacement once more towards the outside, the plate edge of default electronic cards 5 is broken away from be after the crimp groove 42 state that is inclined upwardly, and then make things convenient for the user will preset electronic cards 5 to take out fast, save time and laborsaving.

Above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the utility model, only 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 jam plate structure of the utility model card connector is for reaching its effect and purpose really, so the utility model really is the utility model of a practicality excellence, the application important document that meets novel patent in fact, file an application in accordance with the law, expect that examining committee grants accurate this case early, to ensure utility model people's arduous utility model, if an ancient unit of weight office have any check doubtful, the indication of please writing to us without sparing, settled the doing one's utmost of utility model people cooperates, and the true feeling moral is just.

Claims (10)

1, a kind of jam plate structure of card connector includes insulating base frame, flexible positioning piece and latch part, it is characterized in that,

Described insulating base frame has a pedestal, and described base interior slot is equipped with a plurality of conducting terminals, is extended with support arm in the same way in described pedestal both sides, and described two arm rooms have the default electronic cards of confession and are inserted into the interior butt joint space of described slot;

Described flexible positioning piece one side has the pedestal that is the hollow frame shaped, be formed with the engaging space that penetrates the location for described support arm in this base interior, described flexible positioning piece is extended with the elastic arm and the postive stop baffle of tool turning point in the same way with respect to the opposite side of this pedestal, described postive stop baffle inboard is formed with the deformation space for the displacement of described elastic arm strain, and bending inwards at described postive stop baffle root edge is extended with the weld part that supplies to be welded on the preinstalled circuit plate;

Described latch part one side has the socket space that penetrates the location for elastic arm, described socket space inwards is formed with the crimp groove that snaps in the location for default electronic chuck plate edge, stretch at the external skew back of described crimp groove two-phase and to be formed with guide ramp, described latch part is formed with the passing inclined-plane with respect to the opposite side periphery in described socket space.

2, the jam plate structure of card connector as claimed in claim 1, it is characterized in that, described insulating base frame two support arm inboards are provided with relatively for the positioning track of block in default electronic cards outer side edges, and described flexible positioning piece one side engagement space inwards is formed with the chute that can be corresponding slippage location with described positioning track.

3, the jam plate structure of card connector as claimed in claim 2, it is characterized in that, described support arm cuts open with respect to the outer side edges of described positioning track and is provided with limit sliding chutes, tiltedly stretch the catching groove that is formed with oblique protuberance and is positioned at described oblique protuberance rear side towards its pedestal direction on the described limit sliding chutes side wall surface, described flexible positioning piece is provided with shell fragment on described chute outer side surface, and strides across to fasten to the catching groove catching groove in described oblique protuberance along described limit sliding chutes with described shell fragment and locate.

4, the jam plate structure of card connector as claimed in claim 1, it is characterized in that, described insulating base frame is provided with at inboard place, the butt joint space of its pedestal and prevents that default electronic cards mistake is inserted in the fool proof portion in the described slot, is extended with the support portion that is positioned at described butt joint space in the same way in a plurality of relatively conducting terminals of described slot both sides.

5, the jam plate structure of card connector as claimed in claim 1, it is characterized in that, described a plurality of conducting terminal has a base portion, and this base portion one side is provided with the outside weld part that is electrically connected with the preinstalled circuit plate of the pedestal that is piercing in described insulating base frame, and is provided with away from the opposite side of described weld part and is inserted into the contact site that electrically contacts with default electronic cards in the described slot.

6, the jam plate structure of card connector as claimed in claim 1, it is characterized in that, described flexible positioning piece is positioned at place, elastic arm front side and is provided with cramp respectively and presets the lip-deep retaining piece of electronic cards for pressing on, and described latch part is provided with draw-in groove on the outer side surface in described socket space; By on the short slot internal face that described cramp is fastened in the described draw-in groove, described retaining piece side is held in place, the upper and lower both sides of described crimp groove and be a location.

7, the jam plate structure of card connector as claimed in claim 6 is characterized in that, two outer side edges of the relative cramp of described flexible positioning piece are provided with a plurality of teeth of eating, and to eat tooth engaging-in on the socket space internal face of described latch part institute tool with described.

8, the jam plate structure of card connector as claimed in claim 1 is characterized in that, described flexible positioning piece bends inwards to be extended with at described elastic arm root edge and is positioned at the inboard place of elastic arm and is held in the holding piece of presetting on the electronic chuck plate face.

9, the jam plate structure of card connector as claimed in claim 1 is characterized in that, described flexible positioning piece is made by the moulding of metal material integrated punching.

10, the jam plate structure of card connector as claimed in claim 1 is characterized in that, described latch part is penetrated one-body molded made by plastic cement.

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