CN201130773Y

CN201130773Y - Misinsertion-prevention structure for memory card connector

Info

Publication number: CN201130773Y
Application number: CNU2007200451548U
Authority: CN
Inventors: 李明贵
Original assignee: KUNSHAN SHANGZHENG ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: KUNSHAN SHANGZHENG ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2007-08-20
Filing date: 2007-08-20
Publication date: 2008-10-08
Anticipated expiration: 2017-08-20

Abstract

The utility model provides an anti-misplug structure of the memory card connector, in particular an anti-misplug structure which can prevent the damage of the memory card or the connector caused by the reversed insert of the memory card, wherein a plurality of pairs of abutting terminals are perforated in the base of the insulating base, and an opening is formed at the supporting arm of the two sides of the base for the insertion and docking of the memory card to achieve the information transmission. Particularly by adopting the anti-misplug structure, the utility model has the advantages that by utilizing the one-piece type of the relative inner sides of the supporting arms or the extending-arranged anti-misplug by the lower cover plate of the shielding casing, the anti-misplug structure can effectively prevent the memory card from being misplugged by the reverse surface idly, and the deformation caused by deviation and dislocation or improper force, further prevent the transmission of the signals between the insert terminals from invalidation or break off.

Description

The mistake proofing inserting structure of memory card connector

Technical field

The utility model relates to a kind of memory card connector, relates in particular to a kind of memory card that prevents and damages the mistake proofing inserting structure of connector because of the reverse side grafting.

Background technology

Along with making rapid progress of science and technology, computer and Related product thereof are also day by day towards trend development powerful, that speed is fast and volume is little.People except Pcmcia, also roughly have the memory card of specifications such as MMC, CF, SMC, MS, SD usually by expanding the capacity that memory card or scsi device expand computer or electronic dictionary at present on the market.This type of memory card just has been subjected to consumers in general's favor since coming out, and becomes a kind of almost indispensable tool using.Tackle this demand, the connector of different memory cards is also had higher requirement.

Especially, the location structure of traditional memory card and connector is that connector is fixed on the circuit board, memory card is plugged in the connector again, reaches the purpose of the electric connection of memory card and circuit board.But because the apparent size and the shape of traditional all kinds of memory cards are very close, and make the memory card of same type, when being plugged in the certain memory card connector that conforms to it, easily because of the user with memory card inadvertently reverse side peg graft, make memory card connector can't read the data in the memory card, even can't use and cause problems such as memory card data loss.

The utility model content

At the problems referred to above, the purpose of the mistake proofing inserting structure of the utility model memory card connector aims to provide a kind of memory card that can prevent and damages the mistake proofing inserting structure of connector because of the reverse side grafting.

The purpose of this utility model can be achieved through the following technical solutions:

The mistake proofing inserting structure of memory card connector, include insulating base frame, shield shell and memory card, wherein: described insulating base frame has pedestal, and be equipped with plural number butt joint terminal in the pedestal, and be extended with support arm respectively in the same way in the pedestal both sides, and two support arms are provided with the opening that inserts for memory card at the opposite side away from pedestal; Described shield shell cover overlays on the insulating base frame outside, it is characterized in that: be provided with anti-misplug baffle plate at two support arms toward relative inner.

Further, described anti-misplug baffle plate is that two support arms extend toward relative inner is one-body molded.

In the same manner, described shield shell is respectively equipped with upper and lower cover plate, and lower cover further inwards also can be convexed with the baffle plate of anti-misplug by its edge.

Further, described memory card is provided with and can supports the abutting part that ends mutually with the anti-misplug baffle plate of insulating base frame.

Again further, described insulating base frame is concaved with the limit sliding chutes that meets the memory card width respectively on the support arm of opening both sides.

The mistake proofing inserting structure of the memory card connector that the utility model provides, its beneficial effect is:

The abutting part and the anti-misplug baffle plate that adopt memory card to combine with connector, can prevent effectively that memory card from being mispluged by reverse side inadvertently, not reason skew, misplace or be subjected to improper external force and twist, be out of shape, and then prevent the inefficacy or the interruption of signal transmission between inserting terminal.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model;

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

Fig. 3 is the stereo appearance figure before the action of the utility model preferred embodiment plug-in card;

Fig. 4 is the stereo appearance figure after the action of the utility model preferred embodiment plug-in card;

Fig. 5 is the three-dimensional part sectioned view before the action of the utility model preferred embodiment counter-rotating plug-in card;

Fig. 6 is the three-dimensional part sectioned view after the action of the utility model preferred embodiment counter-rotating plug-in card;

Fig. 7 is the three-dimensional exploded view of another preferred embodiment of the utility model;

Fig. 8 is the three-dimensional part sectioned view of another preferred embodiment counter-rotating plug-in card action of the utility model.

Each mark implication of above accompanying drawing is as follows:

1 insulating base frame

11 pedestals, 12 support arms

111 butt joint terminals, 121 limit sliding chutes

13 anti-misplug baffle plate 14 openings

2 shield shells

21 upper cover plates, 22 lower covers

221 anti-misplug baffle plates 23 move back clamping member

3 memory cards

31 abutting parts, 32 inserting terminals

Embodiment

Realize the principle of above-mentioned purpose for more intuitively, intactly understanding the utility model, existing as follows with regard to carry out nonrestrictive feature description in conjunction with the preferred embodiment accompanying drawing according to the utility model design:

The mistake proofing inserting structure of memory card connector, include insulating base frame, shield shell and memory card, wherein: described insulating base frame has pedestal, and be equipped with plural number butt joint terminal in the pedestal, and be extended with support arm respectively in the same way in the pedestal both sides, and two support arms are provided with the opening that inserts for memory card at the opposite side away from pedestal; Described shield shell cover overlays on the insulating base frame outside, and its special feature is: be provided with anti-misplug baffle plate at two support arms toward relative inner.Shown in Fig. 1 stereo appearance figure of the present utility model.

Embodiment one

As shown in Figure 2, be the three-dimensional exploded view of the utility model one preferred embodiment.Be can clearly be seen that by figure: the mistake proofing inserting structure of memory card connector of the present utility model includes insulating base frame 1 and shield shell 2, wherein:

This insulating base frame 1 has pedestal 11, and be equipped with plural number butt joint terminal 111 in the pedestal 11, and be extended with support arm 12 respectively in the same way in pedestal 11 both sides, and be concaved with limit sliding chutes 121 on two support arms respectively, and prevent misplug baffle plate 13 at two support arms 12 toward relative inner and pedestal 11 one-body molded being extended with, and be provided with the opening 14 that can supply memory card 3 to insert at opposite side away from pedestal 11.

This shield shell 2 covers overlay on insulating base frame 1 outside, and shield shell 2 internal activities are pivoted with and move back clamping member 23.

Shown in the action schematic diagram before and after Fig. 3 arrives normal plug-in card of this embodiment of Fig. 6 and reverse plug-in card.Insulating base frame 1 and shield shell 2 through simple assembling after in use, when memory card 3 directly is plugged in the insulating base frame 1 in positive mode, the abutting part 31 of its upper surface can't be insulated 13 blocks of anti-misplug baffle plate of pedestal 1, insulating base frame 1 is inserted in 3 meetings of memory card reposefully under the guide effect of limit sliding chutes 121, and make its inserting terminal 32 really, stably with insulating base frame 1 in the terminal 111 that docks electrically connect.On the contrary, when memory card 3 is inserted in insulating base frame 1 in the reverse side mode, even the state that its abutting part 31 forms towards the below, when being plugged in insulating base frame 1, this abutting part 31 can be by 13 blocks of anti-misplug baffle plate, further make memory card insert under can't continuing, anti-by this misplug baffle plate 13 can effectively avoid memory card oppositely to peg graft and each terminal of damage connector and memory card.

Embodiment two

As shown in Figure 7 and Figure 8, be the three-dimensional exploded view of another preferred embodiment of the utility model and the three-dimensional part sectioned view of counter-rotating plug-in card action.As seen from the figure, above-mentioned shield shell 2 can be made up of upper and

lower cover plate

21,22, overlays on insulating base frame 1 outside and utilize upper and

lower cover plate

21,22 to cover respectively, can form good shield effectiveness, wherein, this lower cover 22 also further inwards convexes with anti-misplug baffle plate 221 at its edge.

When memory card 3 is plugged in the insulating base frame in positive mode, can directly its plural inserting terminal 32 be electrically connected at the plural number butt joint terminal 111 of insulating base frame 1; If but memory card 3 is when pegging graft in the reverse side mode, its abutting part 31 can be by the side institute block of anti-misplug baffle plate 221, and can't further deeply insert down, with this anti-misplug baffle plate 221, reach and avoid memory card 3 to damage each terminal of connector or memory card because of oppositely pegging graft.

The mistake proofing inserting structure of the memory card connector that the utility model provides, the abutting part and the anti-misplug baffle plate that adopt memory card to combine with connector, can prevent effectively that memory card from being mispluged by reverse side inadvertently, not reason skew, misplace or be subjected to improper external force and twist, be out of shape, and then prevent the inefficacy or the interruption of signal transmission between inserting terminal.

In sum, the mistake proofing inserting structure of the memory card connector that the utility model provides can reach the creation purpose really, and its practicality is worthy of popularization.The above only is some preferred embodiments of the present utility model, be not to limit claim of the present utility model with this, therefore do simple and easy modification or equivalent structure variation for the utility model specification and example figure in every case, can reach the design of aforementioned effect, all should belong within the utility model claim.

Claims

1. the mistake proofing inserting structure of memory card connector, refer to a kind of memory card that prevents and damage the mistake proofing inserting structure of connector because of the reverse side grafting, include insulating base frame, shield shell and memory card, wherein: described insulating base frame has pedestal, and be equipped with plural number butt joint terminal in the pedestal, and be extended with support arm respectively in the same way in the pedestal both sides, and two support arms are provided with the opening that inserts for memory card at the opposite side away from pedestal; Described shield shell cover overlays on the insulating base frame outside, it is characterized in that: be provided with anti-misplug baffle plate at two support arms toward relative inner.

Memory card connector according to claim 1 misplace inserting structure, it is characterized in that: described anti-misplug baffle plate is that two support arms extend toward relative inner is one-body molded.

3. the mistake proofing inserting structure of memory card connector according to claim 1, it is characterized in that: described shield shell is respectively equipped with upper and lower cover plate, and lower cover is further inwards convexed with the baffle plate of anti-misplug by its edge.

4. the mistake proofing inserting structure of memory card connector according to claim 1 is characterized in that: described memory card is provided with and can supports the abutting part that ends mutually with the anti-misplug baffle plate of insulating base frame.

5. the mistake proofing inserting structure of memory card connector according to claim 1, it is characterized in that: described insulating base frame is concaved with the limit sliding chutes that meets the memory card width respectively on the support arm of opening both sides.