CN2809927Y - Memory card connector - Google Patents

Abstract

The utility model relates to a memory card connector, particularly to a connector which has the function of card withdrawal. The connector comprises a base that can allow the memory card to be inserted to fetch data. The base is assembled with a shielding casing in a structure mode. A card withdrawal mechanism is arranged in one side of the base, and the other side parallel to the card withdrawal mechanism is provided with a spring lamination that is provided with a hook. One end of the spring lamination is fixed on the base to make a free end have certain elastic force after stressed. The hook points to the memory card which is inserted in the base to make the memory card avoid being bounced out of the connector by the mutual interference of the hook and the groove at the side edge of the memory card when the memory card withdraws from the base.

Description

Memory card connector

Technical field

The utility model is meant a kind of connector of the memory card signal that is used to transfer, and this connector has the function of moving back card, particularly utilizes design of the present utility model can avoid memory card to fly outside connector moving back card back bullet.

Background technology

The continuous progress of Information technology, the Storage Media that utilizes the silicon wafer semiconductor technology to be developed becomes main product gradually, and be that the Storage Media of new generation that main shaft is developed is silicone disc sheet (Flash Memory Card) by flash memory generally, custom is referred to as memory card or flash memory again; Two big Storage Medias such as this and traditional floppy diskette, discs are compared, no matter in the performance of functional characteristics such as the convenience that carries, power saving, data preservation, message transmission rate, repetitive read-write and shockproof, protection against the tide, it is many all far to surmount above-mentioned two kinds of traditional Storage Medias for memory card.

Just because of silicone disc sheet (or claiming memory card) has so superior operating characteristic, so each big factory of tame international electronic product, just release the silicone disc sheet of various different sizes successively as manufacturers such as new power (Sony), Toshiba (Toshiba), Siemens (Siemens), Panasonic (Matsushita), Samsung (Samsung), SanDisk, and be widely used on all types of digital products; Such as: PC card (PCMCIA ATA Flash Card), CF card (Compact Flash Card), SM card (SmartMedia Card), mmc card (Multi Media Card), MS card (Memory Stick Card), SD card (Secure Digital Card), Mini SD card etc.

Above-mentioned memory card is applied on the various portable digitals equipment more, and for example digital camera, digital walkman, PDA etc. are in order to software documents such as store images, animation, music; And for strengthen the silicone disc sheet and and various main frame (for example personal computer, industrial computer, video decoder etc.) between document circulation, so various forms of memory card connector just arises at the historic moment.

Connection relationship between tradition memory card and the connector is to utilize the manual mode plug, therefore causes many operational inconvenience; Utilizing the push rod mode to move back card subsequently or repeated presses memory card mode is moved back card designs such as (being commonly called as Push-Push), all is in order to provide the user at operational convenience.For example TaiWan, China is announced No. 547834 memory card card-withdrawing structure, a kind of exactly typical Push-Push mode is moved back the design of card, it is to utilize memory card interlock slide block after inserting connector to carry out a for example stroke of " heart type " haply, produce the effect of location and reduction by the profile of this " heart type " and the pulling force of spring, because this technology has partly been prolonged with for many years, just will not give unnecessary details at this.

After having had above-mentioned this Push-Push mode to move back the design of card, though solved the unhandy problem of user, produce the situation that card flies out because the acting force of the spring of mechanism is excessive, this situation causes the wearing and tearing and the destruction of memory card easily.

So in TaiWan, China is announced M241835 number patented technology, disclose a kind of design that on the slide block of trip mechanism, links a trip, be stuck in the predetermined groove of memory card by this trip, memory card is inserted or all fixed when withdrawing from by this trip.Though this mode can prevent that memory card from flying out after moving back card, but this trip lacks flexibility, and this slide block is the interlock spring, makes the operator increase the excessive damage (the particularly groove of this memory card) that causes card easily of resistance, the particularly application of force when plug-in card.

Summary of the invention

The purpose of this utility model is to provide a kind of memory card connector, solve the existing problem of above-mentioned these prior arts, it not only can avoid card disorderly to fly when withdrawing from, and can not increase too big operation resistance, can guarantee card fail safe in use.

More than this memory card connector, realized by following technological means:

This connector comprises that mainly a tolerable memory card inserts the pedestal of the data that reads, this pedestal is with frame mode winding one shielding casing, in a side of pedestal, be provided with a trip mechanism, the opposite side parallel with trip mechanism is provided with a shell fragment with trip, shell fragment one end is fixed on the pedestal, make free end after stressed, have certain elastic force, this trip is the memory card after pedestal is inserted in sensing, make memory card when withdrawing from pedestal, short slot by this trip and memory card side is interfered mutually, and avoids being flown outside connector by bullet.

By such design, memory card is only inserting connector and need increase slightly power during by this trip, and because this trip is to be subjected to shell fragment institute interlock, therefore this shell fragment distortion laterally naturally when trip is subjected to memory card through promotion, compared to preceding taking off prior art, this resistance is definitely much smaller than the power of removing to spur spring, when unlikely card is produced destroyed (be meant especially with memory card and constitute the groove of interfering the location).

Description of drawings

Fig. 1: be primary structure exploded view of the present utility model.

Fig. 2: be outside drawing of the present utility model.

Fig. 3～Fig. 5: the action relationships figure that inserts connector of the present utility model for memory card.

Fig. 6: for inspecting detector with window and detecting action relationships figure between the sheet, this figure take off is not inserted the state of connector as yet fully for memory card.

Fig. 7: for inspecting detector with window and detecting action relationships figure between the sheet, this figure take off is inserted the state of connector fully for memory card.

Drawing reference numeral:

1 connector base

10 terminal modules

11 memory card insert openings

One sidewall of 12 pedestals

2 shielding casings

20 windows

21,22 spacers

211 location holes

3 trip mechanisms

4 shell fragments

40 trips

41 clamping parts

411,412 jig arm

Interval between 413 jig arm

414,415 protruding thorns

42 turning points

43 location divisions

5 detect sheet

6 detectors

7 memory cards

One sidewall of 70 memory cards

71 grooves

72 oblique surfaces

Embodiment

As shown in Figures 1 and 2, connector of the present utility model comprises that mainly a tolerable memory card inserts the pedestal 1 of the data that reads, be laid with on the pedestal 1 with memory card and constitute the terminal module 10 that electrically connects, and pedestal 1 makes up a shielding casing 2 with frame mode, (this trip mechanism is similar to prior art to be provided with a trip mechanism 3 in a side of pedestal 1, this seldom gives and giving unnecessary details), and the opposite side parallel with trip mechanism 3 is provided with a shell fragment 4 with trip 40.One end of shell fragment 4 is fixed on the pedestal 1, make free end after stressed, have certain elastic force, this trip 40 points to the memory card behind the insertion pedestal 1, make memory card when utilizing trip mechanism 3 to withdraw from pedestal 1, interfere (back enumeration) mutually by this trip 40 and the groove of memory card side, and avoid being flown outside connector by bullet.

Be away from the end of memory card insert opening 11 at pedestal 1, be provided with one be used to detect memory card detect sheet 5, this end 50 that detects sheet 5 is fixed on the pedestal 1, free end 51 offsets with a detector 6 under normal conditions, as shown in Figure 3, this detector 6 with detect sheet 5 when contacting, can transmit a signal and give the external circuit board (figure is expression) that connector connects, show and do not insert any memory card 7 in this connector as yet; Please join Fig. 4 simultaneously, when memory card 7 inserts in the pedestal 1 of connector, and be inserted into when locating, this memory card 7 will detect sheet 5 and back down, make the state that sheet 5 and detector 6 disengage that detects, promptly represent and insert memory card in the connector really, by whether inserting the state of connector really to detect memory card.In order to know this detector 6 and to detect whether regular event of sheet 5, corresponding to this detector 6 with detect on the aforementioned shielding casing 2 of sheet 5 contact positions, offer a window 20, please join Fig. 6 and Fig. 7 simultaneously, can know by this window 20 and to see detector 6 and to detect whether regular event of sheet 5, such as detect sheet 5 whether elastic fatigue can't arrive problem such as location and be inspected and overhaul or the replacement of element.

Shell fragment 4 more comprises the turning point 42 that a clamping part 41, extends out except that having a trip 40, and a location division 43; Wherein, this clamping part 41 has two jig arm 411,412, certain interval 413 is arranged between two jig arm, at least one protruding thorn 414,415 is established towards the direction at interval 413 respectively in the inboard of two jig arm 411,412, insert a sidewall 12 of pedestals 1 by this interval 413, and stab the wall of this wall 12 with protruding thorn 414,415, to fix an end of shell fragment 4 really.

Fig. 3～Fig. 5 is the operate condition that memory card 7 inserts connector.Graphic is example with Mini SD card, and a sidewall 70 of this memory card 7 is provided with a groove 71, and the drift angle of sidewall 70 has an oblique surface 72; When card inserts connector, as shown in Figure 4, the pass through trip 40 of shell fragment 4 of this oblique surface 72, make trip 40 by the stressed elastic reaction of shell fragment 4 with trip 40 jack-up, groove 71 is slided and fallen in the top 401 of trip 40 along the sidewall 70 of memory card 7, touch the turning point 42 of shell fragment 4 when the oblique surface 72 of memory card 7, with this shell fragment 4 deformation angle of extrapolating again, make trip 40 break away from the groove 71 of memory cards, be inserted into up to memory card 7 (ginseng Fig. 4) till terminal 10 certain contacts of location and connector.As shown in Figure 5, when memory card 7 withdraws from the trip mechanism 3 of connector, this trip 40 be because of the back stretch of shell fragment 4 will fall in the groove 71 of memory card 7 once again, make this memory card 7 avoid excessive the flying out outside connector of active force because of the trip mechanism 3 of connector.

In order to strengthen the effect of shell fragment 4 location, with shielding casing 2 edges of shell fragment 4 homonymies, towards vertical two spacers 21 of establishing of the direction one of this shell fragment 4,22, first spacer 21 and 22 of second spacers have a predetermined interval, and this two spacer 21,22 to envelope neither homonymy of shell fragment 4 respectively on the non-same line, as shown in Figure 2, first spacer 21 encases the lateral surface of shell fragment 4,22 medial surfaces that encase shell fragment 4 of second spacer, shell fragment 4 is not being influenced under the preceding topic of its distortion, the elastic force that can limit shell fragment 4 generations again is unlikely excessive, causes infringement is knocked and given birth to the excessive elasticity of memory card.

43 corresponding positions, location division at above-mentioned first spacer 21 and shell fragment 4 are provided with a location hole 211, can more strengthen the locating effect of shell fragment 4 by this location hole 211 and the interference of location division 43, wherein, the location division 43 of this shell fragment 4 can be the salient point that one day, first spacer, 21 directions were protruded.

By above-mentioned design, can find connector of the present utility model except that having when moving back card the anti-function that flies, because memory card is only inserting connector and need increase power slightly during by this trip, and trip is to be subjected to shell fragment institute interlock, therefore this shell fragment distortion laterally naturally when trip is subjected to memory card through promotion, compared to preceding taking off prior art, this resistance definitely goes to spur the power of spring much smaller than the groove with memory card, and unlikely card is produced destroyed.

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 (8)

1. memory card connector, it is characterized in that comprising that a tolerable memory card inserts the pedestal of access data, be laid with on the pedestal with memory card and constitute the terminal module that electrically connects, pedestal is with frame mode winding one shielding casing, in a side of pedestal, be provided with a trip mechanism, and the opposite side parallel with trip mechanism is provided with a shell fragment with trip; One end of this shell fragment is fixed on the pedestal, free end has certain elastic force after stressed, shell fragment has a turning point that extends out, its trip points to the memory card behind the insertion pedestal, memory card is when utilizing trip mechanism to withdraw from pedestal, and the groove of this trip and memory card side is interfered mutually and avoided being flown outside connector by bullet.

2. memory card connector as claimed in claim 1, it is characterized in that: the end that is away from the memory card insert opening at pedestal, be provided with a sheet that detects that is used to detect memory card, this end that detects sheet is fixed on the pedestal, and free end offsets with a detector under normal conditions.

3. memory card connector as claimed in claim 2 is characterized in that: corresponding to this detector with detect on the shielding casing of sheet contact position, be provided with a window.

4. memory card connector as claimed in claim 1, it is characterized in that: shell fragment is except that having a trip, more comprise a clamping part, this clamping part has two jig arm, certain interval is arranged between two jig arm, and at least one protruding thorn is established towards direction at interval respectively in the inboard of two jig arm, inserts a routine wall of pedestal at interval by this, and stab the wall of this wall with protruding thorn, fix an end of shell fragment.

5. memory card connector as claimed in claim 1, it is characterized in that: with the shielding casing edge of shell fragment homonymy, towards vertical two spacers of establishing of the direction one of this shell fragment, have a predetermined interval between first spacer and second spacer, and this two spacer is to envelope neither homonymy of shell fragment respectively on the non-same line.

6. memory card connector as claimed in claim 5 is characterized in that: first spacer encases the lateral surface of shell fragment, and second spacer then encases the medial surface of shell fragment.

7. memory card connector as claimed in claim 5 is characterized in that: be provided with a location hole on first spacer, this location hole is provided with a location division corresponding to the position of shell fragment, and the two can be interfered mutually to strengthen the locating effect of shell fragment.

8. memory card connector as claimed in claim 7 is characterized in that: the location division of this shell fragment is the salient point that one day first, the spacer direction was protruded.

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