CN201112937Y

CN201112937Y - Anti-falling card connector device

Info

Publication number: CN201112937Y
Application number: CNU2007201505530U
Authority: CN
Inventors: 颜铭辉; 李金池; 赖俊铭
Original assignee: QUANXIN CO Ltd
Current assignee: QUANXIN CO Ltd; Chant Sincere Co Ltd
Priority date: 2007-06-13
Filing date: 2007-06-13
Publication date: 2008-09-10
Anticipated expiration: 2017-06-13

Abstract

The utility model discloses a card connector device which can prevent card flying, and the card connector comprises an insulating seat body, a metal cover and a card feeding and withdrawing device. The utility model especially improves a dogging structure in the card feeding and withdrawing device, the dogging presents a bending shape, the outer end is provided with a crooked swing arm used for hooking a memory card slot, the dogging swing arm further bends inwards to extend and form a resisting arm, and the resisting arm can resist the inner wall of a slider caulking groove; when the card is withdrawn, the impact force is applied on the swing arm, and the resisting and limiting action of the resisting arm enables the swing arm to produce the instantaneous feedback effect to block the impact force produced when the card is withdrawn, thereby preventing the memory card from flying.

Description

Can prevent to fly the card connector of card

Technical field

The utility model is about a kind of card connector, especially about a kind of advance and retreat card device design of card connector, is improved at the dogging structure, flies card in order to prevent that memory card generation bullet from taking off.

Background technology

The known card connector, mainly combine with crown cap coupling and form by an insulating base frame, in the insulating base frame and comprise members such as a plurality of terminal grooves, terminal and detecting sheet, and in insulating base frame one side and be provided with an advance and retreat card device, can insert in order to the control memory card and to locate and bullet takes off and withdraws from.Known advance and retreat card device comprises that a slide block, a spring, a brake bar and a dogging form, when memory card inserts, utilize slide block pushing tow compression spring (or also utilize slide block expansion extension spring and reach identical purpose), make brake bar one end can be in the vacillate start and obtain the location of slide block guide channel, allow the elastic arm of dogging outer end can snap in the draw-in groove of memory card sidewall recess, be the location after memory card is inserted; But the elastic arm of above-mentioned known dogging is a crooked galianconism, elastic arm is terminal to be to open form fully, therefore for elastic arm, once stressedly promptly can bend distortion, stressed more large deformation is bigger, there is not position-limiting action at all, so when memory card will withdraw from, slide block is under spring huge impact active force, will wash elastic arm fully open very easily, cause the elastic arm overflexing and significantly the skew in contract, elastic arm can't stop the impulsive force when moving back card, so be easy to cause the quick bullet of memory card to take off suddenly and fly out (promptly be commonly called as fly card phenomenon), moreover memory card is all to adopt compact person in the majority now, and it is more serious to fly the card situation, it not only uses operation to produce puzzlement, also easily impaired even loss after memory card flies out.

Summary of the invention

Main purpose of the present utility model is to provide a kind of card connector that prevents to fly card, moving back in the card stroke of memory card, can guarantee memory card not suddenly bullet take off and fly the card situation.

The purpose of this utility model is to realize like this, a kind of card connector that prevents to fly card, this card connector comprises: an insulating base frame, one crown cap and an advance and retreat card device, this insulating base frame is provided with a plurality of terminals, and pedestal one side has been installed with one group of described advance and retreat card device, described crown cap and insulating base frame are coupling and cover, described advance and retreat card device comprises a slide block, one spring, one brake bar and a dogging, slide block is held by spring, slide block is provided with the guide rail groove, spring holds to be located between insulating base frame and the slide block, brake bar two ends hook respectively are located in the guide rail groove of the hook groove of insulating base frame and slide block, and slide block is also at one end offered one and embedded the caulking groove of location for dogging; Described dogging is curved shape, its outer end is an elastic arm, and this dogging elastic arm more bends inwards to extend and form one endways and supports arm, support arm and be held in the inwall of slide block caulking groove, by the position-limiting action that supports that supports arm, when elastic arm is subjected to moving back the impulsive force of card, can produce feedback effect power immediately, the impulsive force when moving back card to stop.

From the above mentioned, the card connector that prevents to fly card of the present utility model, particularly improved at the dogging structure of advance and retreat card device, the dogging elastic arm more bent inwards to extend and constitute one endways support arm, the position-limiting action that supports that utilization supports arm makes elastic arm produce immediately feedback effect power to stop impulsive force when moving back card, therefore, moving back in the card stroke of memory card, the elastic arm of dogging can continue to keep the good state of holding that colludes with memory card, guarantee memory card not suddenly bullet take off and fly the card situation, more convenient operation is used in order, and can avoid memory card impaired or loss in moving back the card stroke.

Description of drawings

Fig. 1 is an exploded perspective view of the present utility model.

Fig. 2 is a dogging top view of the present utility model.

Fig. 3 is a dogging stereogram of the present utility model.

Fig. 4 is the stereogram of the another kind of dogging example of the utility model.

Fig. 5 is the schematic partial sectional view that dogging embeds the slide block caulking groove in the utility model.

Fig. 6 is the schematic partial sectional view that embeds the slide block caulking groove in the utility model with another kind of dogging.

Fig. 7 is the utility model at the combination stereogram of plug-in card state.

Fig. 8 is the not combination stereogram of containing metal lid of Fig. 7.

Fig. 9 continues to collude the view of holding for the utility model dogging elastic arm in moving back the card stroke still is with memory card.

Figure 10 finishes for the utility model and moves back the view that card stroke and dogging elastic arm and memory card have been disengaging.

Embodiment

As shown in Figure 1, the card connector that prevents to fly card of the present utility model mainly comprises: an insulating base frame 1, a crown cap 2 and an advance and retreat card device 3 are formed, wherein:

Insulating base frame 1 has a plurality of terminals 11, and pedestal one side has been installed with one group of advance and retreat card device 3;

Crown cap 2 is to be coupling with insulating base frame 1 to cover;

Advance and retreat card device 3, comprise a slide block 31, one spring 32, one brake bar 33 and a dogging 34, slide block 31 is subjected to spring 32 to hold start, slide block 31 is provided with a Y-shaped approximately guide rail groove 311, the stroke two ends of this guide rail groove 311 respectively have a card and end groove 312,313, described again spring 32 is to hold between the two

ends pin

12 and 314 of being located at insulating base frame 1 and slide block 31, brake bar 33 two ends are respectively in the guide rail groove 311 of the hook hook groove 13 that is located at insulating base frame 1 and slide block 31, described slide block 31 is also at one end offered a caulking groove 315, embed the location for dogging 34, the caulking groove 315 of described slide block 31, in groove, be provided with a spacer block 316 again, in order to caulking groove 315 is separated is two adjacent continuous groove faces, and described dogging 34, as Fig. 2, shown in Figure 3, be curved shape, its outer end is the elastic arm 341 of a bending, and this dogging elastic arm 341 more bends inwards to extend and form one endways and supports arm 342, make and support spacer block 316 inwalls that arm 342 can be held in the slide block caulking groove, the effect of supporting that utilization supports arm 342 and spacer block 316 makes elastic arm 341 produce a feedback effect power, to reach limit effect;

The card connector of forming by above-mentioned insulating base frame 1, crown cap 2 and advance and retreat card device 3, the dogging 34 of advance and retreat card device 3 embeds the caulking groove 315 of being located at slide block 31, the elastic arm 341 of dogging 34 outer ends can be for colluding the draw-in groove 41 (consulting Fig. 8, Fig. 9) that is held in memory card 4, and the arm 342 that supports of dogging 34 supports position-limiting action with caulking groove 315 inwalls generation one, make elastic arm 341 suffered impulsive force when moving back card transfer a feedback effect power to, impulsive force when stopping that effectively memory card 4 moves back card, can continue to collude and hold memory card 4, prevent that memory card from flying card.

As Fig. 7, shown in Figure 8, described memory card 4 utilizes slide block 31 to come goring push spring 32, make in the guide channel 311 of Y shape, vacillate start and snap in card and end groove 313 of brake bar 33 to obtain the location, this moment, the elastic arm 341 of dogging 34 also can snap in the draw-in groove 41 of memory card 4 sidewall recesses, was the location after making memory card 4 insert; And when moving back card, memory card 4 is inwardly pushed again, brake bar 33 promptly breaks away from card and ends groove 313, spring 32 can be released can, and reverse pushing tow slide block 31, memory card 4 is ejected, as shown in Figure 9, this moment, the draw-in groove 41 of elastic arm 341 and memory card 4 of dogging 34 still continued to keep the state of holding that colludes, thus memory card 4 not suddenly bullet take off and fly the card situation; As shown in figure 10, treat that slide block 31 is ejected after, promptly can point and extract memory card 4 out, so visible the utility model is more convenient really in using in the operation, what can not take place fully that memory card 4 flies suddenly flies the card situation, and memory card 4 more is difficult for impaired or loses, and effect is very distinguished.

Dogging 34 as above-mentioned advance and retreat card device 3, be to set with formation for the caulking groove 315 that embeds slide block 31, and cover the back and combine with crown cap 2 and insulating base frame 1 coupling, crooked tail arm 343 corresponding implantation caulking groove 315 1 sides of this dogging 34 separate groove face 317 (as shown in Figure 5), the arm 342 that supports of dogging 34 then is held in spacer block 316 in the slide block caulking groove 315, makes the dogging 34 undirected outer anxieties that come off.

Alternative dogging example and for example shown in Figure 4, this dogging 34 ' is except that having identical elastic arm 341 ', supporting arm 342 ' and crooked tail arm 343 ', also can extend and be provided with one or more dummy slider 344 ' or 345 ' at the select location of body, and also be provided with the embedded groove 318 (as shown in Figure 6) of one or more couplings at the opposite position of slide block caulking groove 315, dummy slider 344 ' or 345 ' can be aimed at respectively implant embedded groove 318, and form more firm intercalation combination.

Though the utility model discloses with specific embodiment; but it is not in order to limit the utility model; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present utility model and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.

Claims

1. card connector that can prevent to fly card, this card connector comprises: an insulating base frame, one crown cap and an advance and retreat card device, this insulating base frame is provided with a plurality of terminals, and pedestal one side has been installed with one group of described advance and retreat card device, described crown cap and insulating base frame are coupling and cover, described advance and retreat card device comprises a slide block, one spring, one brake bar and a dogging, slide block is held by spring, slide block is provided with the guide rail groove, spring holds to be located between insulating base frame and the slide block, brake bar two ends hook respectively are located in the guide rail groove of the hook groove of insulating base frame and slide block, and slide block is also at one end offered one and embedded the caulking groove of location for dogging; It is characterized in that:

Described dogging is curved shape, and its outer end is an elastic arm, and this dogging elastic arm more bends inwards to extend and form one endways and support arm, supports the inwall that arm is held in the slide block caulking groove.

2. the card connector that prevents to fly card as claimed in claim 1, it is characterized in that: the slide block of this advance and retreat card device is provided with a spacer block in the groove of caulking groove, it is two adjacent continuous groove faces that caulking groove separates, and dogging support the inwall that arm is held in spacer block.

3. the card connector that prevents to fly card as claimed in claim 2 is characterized in that: this dogging is provided with a crooked tail arm, corresponding implantation caulking groove one side of this bending tail arm separate groove face.

4. the card connector that prevents to fly card as claimed in claim 1, it is characterized in that: the dogging extension of this advance and retreat card device is provided with one or more dummy slider, and being provided with the embedded groove of one or more couplings at the opposite position of slide block caulking groove, dummy slider is aimed at and is implanted embedded groove and the intercalation combination.