CN2817112Y

CN2817112Y - Card-ejecting structure of card-reading seat for USB connecting terminal standard memory card

Info

Publication number: CN2817112Y
Application number: CN 200520008841
Authority: CN
Inventors: 林增祥; 叶卿颐; 张知燊; 余安裕
Original assignee: Northstar Systems Inc
Current assignee: Northstar Systems Inc
Priority date: 2005-03-21
Filing date: 2005-03-21
Publication date: 2006-09-13
Anticipated expiration: 2015-03-21

Abstract

The utility model discloses a card-ejecting structure of a card-reading seat for a USB connecting terminal standard memory card. The utility model relates to a card-reading seat which is used for reading memory cards with the same standard by four connecting terminals through a USB (universal serial bus) structure. The card-reading seat is provided with a card-ejecting structure which can be used for controlling the fastening connection and the releasing ejection of the memory card through a press mode, and thus the utility model is different from various connecting terminals of card-reading seats for the existing memory cards, and the utility model can be embedded into associated information products conveniently.

Description

The Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card

Technical field:

The utility model relates to a kind of Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card, refer to that a kind of Card Reader seat links the memory card of USB 4pin specification by the USB circuit framework for planting, for a kind of available circuit specification of using connects the Card Reader seat with card-withdrawing structure as memory card.

Background technology:

Flash Card flash memory, it is a kind of non-voltile memory, behind power-off, still can preserve the integrality of data, the volume of adding memory card is little, stresses portable storage device easy to carry so can meet the modern, so the memory card device is subjected to relevant electrical equipment dealer's favor, it is implanted among the product one after another, from personal computer, mobile phone, PDA,, can see the figure that memory card is used to digital products such as digital camera, MP3 walkmans.

But, entanglement or technology for fear of interests are considered, at present the flash memory that adopted of each digital household appliances and handheld apparatus dealer is not in full accord, and memory card is in order to distinguish different specifications nothing more than making differentiation by profile, thickness, width, dark/length and splicing ear;

Though, different memory cards has different condition differences, but, gently, thin, short, little is the common direction of designer always, therefore the size that sees existing memory card be we can say the size that only is similar to stamp, is also just become important problem so how can guarantee memory card on the Card Reader seat by firm being inserted in.

Therefore, the applicant develops a kind of Card Reader seat with card-withdrawing structure at the connection specification memory card of USB USB 4pin; Yet, being used as by usb connecting port that reading of memory card connect not is to be a new technology, it can disclose this technology with reference to the 6th, 148, No. 354 " Architecturefor a universal serial bus-based PC flash disk " a cases of the U.S.; The utility model is used as the Card Reader seat that memory card is planted and connected by original USB circuit framework, this Card Reader seat adopt be easy to operation push/eject (push-push) mode, have the ejection stroke, the snap close mechanism that designs is in addition dropped with the ejection that prevents not early warning of memory card.

The utility model content:

Technical problem to be solved in the utility model is: at the deficiency of existing technology, provide a kind of Card Reader seat to be provided with a card-withdrawing structure at the less USB splicing ear specification memory card of volume, the connection that is used as memory card by the control mode of pushing with unclasp, with the Card Reader seat tool card-withdrawing structure of the connection of guaranteeing memory card or the USB splicing ear specification memory card that withdraws from.

In order to solve the above problems, the technical scheme that the utility model adopted is: a kind of Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card, comprise a housing, one pedestal and 4 splicing ears, also be provided with a card-withdrawing structure, described card-withdrawing structure is by a slide block, one ㄇ type bar, one spring that supplies slide block to have the reaction force of replying displacement is formed, this slide block is the L type and is located at pedestal one side, slide block one end is provided with coak, the other end is provided with a resistance portion, and ㄇ type bar strides and is located between slide block and the pedestal, and this slide block the place ahead then is provided with the pilot pin that an ammunition feed spring wears;

Described housing is that the punching out of metal material one is a ㄇ type shape, two respective side in housing are provided with two symmetrical folding parts, two folding parts are provided with the button hole corresponding to the button portion of pedestal, and be provided with in the top compacting downwards corresponding to slide block and can be used as and resist the compressing tablet that slide block moves back the restriction that set moves;

Described pedestal is embedded with splicing ear and inserts connection for memory card, wherein establish corresponding protuberance as the track of guiding memory card intercalation in both sides, be provided with a chute that supplies slide block to be embedded in a protuberance, this chute front end is provided with one for the ccontaining U type groove of ㄇ type bar one end, and the other end in chute then is provided with the pilot pin that an ammunition feed spring sets firmly again;

Carry the contact site of flexible active force on described splicing ear swells having of a bending in the end, and in the place ahead be provided with for implanted circuit board on the weld part of fixing welding.

The spring of described card-withdrawing structure can be shell fragment or extension spring.The resistance portion of the slide block of described card-withdrawing structure is one with the oblique breach corresponding to the breach of memory card.The coak of the slide block of described card-withdrawing structure is one and corresponding to the portion that buckles of the catching groove of memory card sidepiece.

Compared with prior art, the utility model has the advantages that: utilization prior art resource is that the basis is improved; Employing is easy to preceding pushing pressure/ejection (push-push) mode of operation, has the ejection stroke; Design snap close mechanism in addition and prevent getting loose of not early warning of memory card and lose; Continue to use the framework of existing USB Port simultaneously and implant, and need not to develop separately the connecting circuit framework, lay to simplify the numerous and diverse connecting circuit of existing memory card Card Reader seat, and dwindle the long-pending convenient electric equipment products of implanting of Card Reader pedestal.

Description of drawings:

Fig. 1 is a three-dimensional combination figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is another visual angle three-dimensional exploded view of the present utility model.

Fig. 4 is an action schematic diagram one of the present utility model.

Fig. 5 is an action schematic diagram two of the present utility model.

Fig. 6 is an action schematic diagram three of the present utility model.

The figure number explanation:

Card Reader seat 1

Housing 11

Folding part 110,110 '

Compressing tablet 111

Button hole 112

Pedestal 12

Button portion 121

U type groove 122

Protuberance 123,123 '

Pilot pin 125

Chute 126

Splicing ear 13

Contact site 131

Weld part 132

Card-withdrawing structure 14

Spring 141

Slide block 142

Coak 1421

Pilot pin 1422

Resistance portion 1424

Arc portion 1425

Recess 1426

ㄇ type bar 143

Memory card 2

Unfilled corner 21

Catching groove 22

Embodiment:

At first, please consult Fig. 1, Fig. 2 and shown in Figure 3 simultaneously: Card Reader seat 1 wherein of the present utility model includes a housing 11, a pedestal 12 and card-withdrawing structure 14 at least and 4 splicing ears 13 are formed; This housing 11 is a ㄇ type shape for the punching out of metal material one, wherein is provided with the button portion 121 of button hole 112 corresponding to pedestal 12 in two symmetrical folding parts (110,110 '), with the fastener that combines with housing 11 as pedestal 12; Offer a compressing tablet 111 of suppressing in addition downwards in housing 11 tops, this compressing tablet 111 also also corresponding to the recess 1426 of slide block 142, moves back the restriction that set moves as resisting slide block 142 in pedestal 12.

This pedestal 12 mainly is to be embedded for memory card and to insert for splicing ear 13, wherein in the track of two corresponding protuberances (123,123 '), be embedded and establish for splicing ear 13 in centre system as the intercalation of guiding memory card, as with being connected of memory card contact; Be provided with a chute 126 in protuberance 123 in addition, this chute 126 is embedded for the slide block 142 of card-withdrawing structure 14, and it is ccontaining for ㄇ type bar 143 1 ends of card-withdrawing structure 14 to be provided with a U type groove 122 in chute 126 front ends, the other end in chute 126 then is provided with a pilot pin 125 again, and this pilot pin 125 sets firmly for the spring 141 of card-withdrawing structure 14.

This card-withdrawing structure 14 includes a spring 141, a slide block 142 and a ㄇ type bar 143, wherein slide block 142 is the L type, one end is provided with coak 1421, the other end is provided with a resistance portion 1424, and ㄇ type bar 143 is striden the recess 1426 of being located at slide block 142, infers position and the action that retreats by the arc portion 1425 of slide block 142 ends before as control slide block 142; Moreover then be provided with wearing of a pilot pin 1422 ammunition feed springs 141 in recess 1426 the place aheads, so this spring 141 mainly provides slide block 142 to reply the reaction force of displacements.

This splicing ear 13 swells the contact site 131 of a curvature in the end again, and carries flexible active force on having, and when memory card 2 was planted, 13 of splicing ears contacted with memory card 2 tie points by the reaction force of pressurized own, finish the connection of reading; Yet whole Card Reader seat 1 fixedly is the welding of fixing on the weld part 132 in the place ahead and implanted circuit board by splicing ear 13.

Please consult Fig. 4 more simultaneously to shown in Figure 6, when memory card 2 is planted, when memory card 2 front ends and slide block 142 resistance portions 1424 abut against, 22 of the catching grooves of memory card 2 can fall into the coak 1421 of slide block 142, form the state of a snap close, to be pushed into before the memory card 2 to the greatest extent afterwards, 141 on spring is squeezed when the time comes, 143 on ㄇ type bar is the resistance state, after waiting to unclasp, 143 on ㄇ type bar resists slide block 142 fully, and the slide block 142 limited memory cards 2 that make are by button system state, yet memory card 2 the place ahead unfilled corners 21 are corresponding to the resistance portion 1424 of slide block 142, to prevent memory card 2 misplaces; And when needs withdraw from memory card 2, only need will to push away before the memory card 2 again, make ㄇ type bar 143 break away from resistance with slide block 142, spring 141 obtains discharging and promotes slide block 142 and move back and put when the time comes, can make memory card 2 recover the position of originally inserting, for extracting.

In sum, the utility model Card Reader seat adopts preceding pushing pressure/ejection (push-push) mode that is easy to operation, have the ejection stroke, design snap close mechanism in addition and prevent getting loose of not early warning of memory card and lose, described some meet the important document of patent application fully; The above only is the preferred embodiment that the utility model used, and is not to be used for limiting the scope that the utility model is implemented.Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.

Claims

1, a kind of Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card, this Card Reader seat comprises a housing, a pedestal and 4 splicing ears, it is characterized in that: also be provided with a card-withdrawing structure, described card-withdrawing structure is made up of a slide block, a ㄇ type bar, a spring that supplies slide block to have the reaction force of replying displacement, this slide block is the L type and is located at pedestal one side, slide block one end is provided with coak, the other end is provided with a resistance portion, and ㄇ type bar strides and is located between slide block and the pedestal, and this slide block the place ahead then is provided with the pilot pin that an ammunition feed spring wears;

2, the Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card as claimed in claim 1, it is characterized in that: the spring of described card-withdrawing structure can be shell fragment or extension spring.

3, the Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card as claimed in claim 1 is characterized in that: the resistance portion of the slide block of described card-withdrawing structure is one with the oblique breach corresponding to the breach of memory card.

4, the Card Reader seat tool card-withdrawing structure of USB splicing ear specification memory card as claimed in claim 1 is characterized in that: the coak of the slide block of described card-withdrawing structure is one and corresponding to the portion that buckles of the catching groove of memory card sidepiece.