CN203277755U - SD card connecting seat - Google Patents

Abstract

The utility model relates to an SD card connecting seat which comprises a seat body and a terminal group. Sidewalls are respectively formed at the two sides of a pedestal of the seat body, an insertion space is formed between the two sidewalls, and the terminal group is positioned on the pedestal. The terminal group comprises multiple conductive terminals and at least one detection terminal, wherein the detection terminal is arranged among the conductive terminals and in parallel with the conductive terminals; one side of each conductive terminal is equipped with a contact portion which is positioned in the insertion space, an elastic arm of the contact portion includes a contact surface which is elastically deformed when being pushed by a corresponding contact of an SD card, and one of the conductive terminals forms an abutting end which turns transversely from the contact surface; and one side of the detection terminal is equipped with a connection portion which makes contact with the abutting end to form electrical connection, and the connection portion is separated from the abutting end when the SD card is not inserted. The SD card connecting seat of the utility model has technical effects that whether the SD card is inserted in place can be detected, thereby avoiding short circuit during insertion of the SD card; and the connecting seat is molded in an integrated manner, so that the total thickness of the connecting seat is low, and required time and cost during preparation can be saved.

Description

A kind of SD card connecting base

Technical field

The utility model relates to a kind of connector construction, relate in particular to a kind of have memory card when pegging graft Auto-Sensing be plugged into the SD card connecting base of bit function.

Background technology

Fast development along with electronics, multimedia technology, make the consumption electronic products usage quantities such as mobile phone, MP3 player, digital camera, also significantly grow up with multiple year by year, just like become in the New Times trend institute indispensable, and just high because of the electronic product utilization rate, relatively, require namely to possess that versatile interface is integrated, additional more services, as listen to the music, take a picture, receive to send e-mails etc. and can provide the user to have simultaneously the multi-purpose machine function.

Moreover, electronic product carries out storage and the file administration of data, generally all can use memory card, particularly to single, independent or temporary data storing, and be plugged in card connector inside with memory card, and can see through that card connector is realized and electronic product between communication and processing, and memory card is favored by the consumer namely extensively since coming out, and become a kind of indispensable tool using, therefore the card connector demand is also increased thereupon significantly.

because various memory card specification patterns are different, CF card for example, the MS card, the SD card, RS-MMC card etc., its apparent size reaches also a little difference in shape, therefore, the memory card of different size namely must be plugged in the particular card connector that pattern is consistent, the data of card connector access/memory card inside thus, yet the SD jig has reliable interoperability and simple wield specification, and the demand that stores in conjunction with high bandwidth and Portable, capacity is enough to store various abundant data contents and application program, and the SD card is along with transmission speed constantly promotes, by early stage SD, the SDHC specification standards are developed to ultra-high capacity (2TB), SDXC (the UHS-I of ultraspeed (312MB/S), the UHS-II) specification standards.

yet memory card is plugged in the interior process of card connector, if memory card is not pushed into the location or is subject to external force and touches and produce when getting loose, very easily can't differentiate memory card and whether form electric connection with card connector, therefore on memory card, big city arranges the read/write switch, being beneficial to the user stirs the read/write switch and prevents that the memory card internal data is read or can carry out data writing, and be provided with plural inspection terminal in card connector inside, just pushing wherein an inspection terminal in the time of can utilizing memory card to insert is held on another inspection terminal and forms electrical contact, whether detect by this loop conducting judges memory card and inserts and put in place, only should plural number sense terminal subsystem be assembled on the plastic body of card connector in corresponding groove, this kind mode tends to be subject to the restriction in space, and cause on the plastic body Design of Dies inconvenience with the difficulty, and quite expend man-hour and cost on overall package, and each inspection terminal fixing strength is difficult to guarantee, and then affect integrally-built stability, when if wherein an inspection terminal loses metallic elastic, just may cause the memory card detecting function to complete inefficacy, remaining to be engaged in this journey dealer redesigns effectively and is solved.

Summary of the invention

Because above-mentioned the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of SD card connecting base, with the traditional SD card connecting base of effective solution easily get loose when memory card is pegged graft, switching performance is unstable and Connection Block assembling defective of taking a lot of work with cost consuming time itself.

The technical solution that realizes above-mentioned purpose is: a kind of SD card connecting base, comprise pedestal and terminal group, wherein: the pedestal both sides of described pedestal are formed with respectively sidewall, and form the grafting space that can insert for memory card between the two side, and are positioned with terminal group on pedestal; Described terminal group comprises the complex conduction terminal and is positioned at least one inspection terminal that is arranged side by side between conducting terminal, one side of each conducting terminal is provided with the contact site that is positioned at the grafting space, and the elastic arm of contact site has can be for the corresponding contact pushing tow of memory card the contact-making surface of strain, one of them conducting terminal forms the end that supports of horizontal turnover from contact-making surface, one side of described inspection terminal is provided with the connecting portion that form to be electrically connected for supporting end in contact, does not support end and the connecting portion sky of being separated by under the plug-in card state.

Further, one of sidewall of described pedestal is provided with the slideway of tool rail groove, and the location is equiped with to press for the memory card secondary and completes into card or move back the push unit of card in slideway, described push unit has can be for the push block of memory card ejection, and the push block rear side is provided with elastic parts and push block is provided with the Actuator Division of pressing the cycle slip location in the rail groove as secondary.

Further, two of the sidewall of described pedestal is provided with the storage tank that is communicated in the grafting space, and be provided with a shield shell in the pedestal outer cup, and the conducting terminal reflexed outside described terminal group is provided with the support arm that is arranged in storage tank, and support arm outwards is provided with the section of supporting, and described shield shell is provided with the contact flat spring corresponding with support arm.

Further, described shield shell has substrate and the substrate both sides set side plate of bending downwards, and upwards is provided with for the plural welding foot that is connected with circuit board adjacent to the side plate place at substrate.

Further, described pedestal and terminal group one produced by insert molding, described terminal group has and is front-seat conducting terminal and the rear row's conducting terminal that is oppositely arranged, and each conducting terminal all has the base portion that is positioned among the pedestal pedestal, exposes to the contact site in grafting space and be piercing in the outer weld part of pedestal.

Further, described pedestal is provided with plural hollow-out parts in bottom, grafting space, and the contact site of each conducting terminal is suspended on above hollow-out parts.

Further, be formed with kink between the contact site of described front-seat conducting terminal and base portion, and kink is provided with towards the place ahead bending extension the snapping sheet that is embedded in the pedestal bottom.

Further, described terminal group has front-seat conducting terminal and the rear row's conducting terminal that meets the SD4.0 specification.

Use SD card connecting base of the present utility model, its technique effect is: can conscientiously detect memory card and peg graft and to put in place, and be short-circuited when avoiding inserting; And this Connection Block is integrated ejection formation, and integral thickness is frivolous, can save and make required man-hour and cost.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model Connection Block.

Fig. 2 is the three-dimensional exploded view of the utility model Connection Block.

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

Fig. 4 is the top plan view before the utility model memory card inserts.

Top plan view when Fig. 5 is the insertion of the utility model memory card.

Side cutaway view when Fig. 6 is the insertion of the utility model memory card.

Side cutaway view when Fig. 7 is the insertion of the utility model memory card.

Top plan view when Fig. 8 is the insertion of the utility model memory card.

Embodiment

Following constipation closes the embodiment accompanying drawing, embodiment of the present utility model is described in further detail, so that technical solutions of the utility model are easier to understand, grasp.

As shown in Figures 1 to 4, the three-dimensional exploded view and the memory card that are respectively stereo appearance figure of the present utility model, three-dimensional exploded view, another visual angle insert front top plan view, find out by knowing in figure, the utility model is for including pedestal 1, terminal group 2, push unit 3 and shield shell 4, thus with regard to the main member of this case and feature describes in detail as after.

This pedestal 1 is for having a pedestal 11, and all be formed with sidewall 12 in pedestal 11 both sides places, and be formed with the grafting space 10 that to insert for memory card 6 between two side 12, pedestal 11 wherein is respectively equipped with the slideway 13 of tool rail groove 131 on a sidewall 12, and cut open on another sidewall 12 and be provided with the Openworks shape storage tank 14 that is communicated in 10 places, grafting space, and 10 bottoms, grafting space that are positioned at 12 of two sides are provided with plural hollow-out parts 15, more all are provided with plural protruding button 121 in sidewall 12 outer side edges places.

this terminal group 2 is for utilizing plastics to inlay shoot mode and pedestal 1 is one-body molded, and include the complex conduction terminal 21 of front and rear row and be positioned at least one inspection terminal 22 of 21 of conducting terminals, and the better SD4.0 specification that meets SDXC UHS-II that is embodied as of the conducting terminal 21 of this front and rear row, wherein arrange afterwards complex conduction terminal 21 for having nine butt, definition of pin position is sequentially the 9th DATA2 pin position from right to left, first DATA3 pin position, second CMD pin position, the 3rd VSS(GND) pin position, the 4th VDD pin position, the 5th CLK pin position, six roots of sensation VSS(GND) pin position, the 7th DATA0 pin position, the 8th DATA1 pin position.

moreover, the front and rear row conducting terminal 21 of terminal group 2 is for having the base portion 211 on the pedestal 11 that is positioned pedestal 1, and be provided with the hanging shape contact site 212 at hollow-out parts 15 places that are inserted into 10 bottoms, grafting space in base portion 211 1 side places, its front-seat conducting terminal 21 is oppositely arranged for being with the contact site 212 of rear row's conducting terminal 21, and the base portion 211 of conducting terminal 21 all is provided with respect to the another side place of contact site 212 weld part 213 that upwards is piercing in pedestal 1 outside, another rear wherein one the 3rd VSS(GND of conducting terminal 21 that arranges) has elastic arm 2121 on the contact site 212 of pin position, and be formed with the contact-making surface 2122 of curved arc shape downwards in elastic arm 2121 the place aheads places, laterally supporting of the level of transferring out holds 2123 again, and also has an elastic arm 2121 on the contact site 212 of front- seat conducting terminal 21, and 211 of each elastic arm 2121 and base portions are formed with kink 2124, and be extended with in kink 2121 place, the place ahead bendings the snapping sheet 2125 that is embedded in pedestal 1 bottom.

yet, the 3rd VSS(GND of rear row's conducting terminal 21) be arranged side by side the first inspection terminal 22 between pin position and the 4th VDD pin position, and the outside, the 8th DATA1 pin position that is positioned at conducting terminal 21 is provided with the second inspection terminal 22, and each inspection terminal 22 all has the base portion 221 on the pedestal 11 that is positioned pedestal 1, and be provided with the smooth shape connecting portion 222 that supports end 2123 corresponding to conducting terminal 21 in the base portion 221 1 side places of the first inspection terminal 22, and there is the support arm 223 at storage tank 14 places that are positioned on sidewall 12 at the base portion 221 1 side places of the second inspection terminal 22 reflexed towards the rear, be formed with again a section of supporting 2231 outwardly, the base portion 221 of another inspection terminal 22 all is provided with respect to the another side place of connecting portion 222 or support arm 223 weld part 224 that upwards is piercing in pedestal 1 outside, rear, again, the outside, the 9th DATA2 pin position of rear row's conducting terminal 21 is for being provided with earth terminal 23, this earth terminal 23 has the base portion 231 on the pedestal 11 that is positioned pedestal 1, and be extended with in earth terminal 23 1 side places bending to locate to form around contact site 212 the place aheads that are positioned at conducting terminal 21 and cover and the ground strip 232 of isolation, and be provided with respect to the another side place of ground strip 231 weld part 233 that upwards is piercing in pedestal 1 outside.

this push unit 3 is for being positioned at the slideway 13 of pedestal 1, and has a push block 31, the inboard place of push block 31 is formed with and is inserted in grafting space 10 and can be for the passing face 311 of memory card 6 ejections, and be provided with an elastic parts 32 in push block 31 adjacent to the another proceeds posterolateral place of passing face 311, and this push block 31 is provided with and is positioned at rail groove 131 and presses the Actuator Division 33 of cycle slip location action as secondary, another Actuator Division 33 side edge reflexeds are formed with spring bearer plate 331, and all extend outwardly in spring bearer plate 331 both sides, front and back places and be provided with skewed plural shell fragment 3311.

This shield shell 4 is positioned pedestal 1 outside for covering, and has a substrate 41 and substrate 41 places, a both sides side plate 411 of bending downwards, be provided with on substrate 41 surfaces and compress shell fragment 412, and all upwards be provided with plural welding foot 42 in substrate 41 adjacent to side plate 411 places, and be positioned at a side plate 411 wherein and be provided with hanging shape contact flat spring 43 corresponding to support arm 223 places of terminal group 2 second inspection terminals 22, two side plates 411 of another substrate 41 are provided with can be for the plural catching groove 413 of the protruding button 121 clasps location of sidewall 12.

as extremely shown in Figure 8 in Fig. 5, top plan view when being respectively the insertion of the utility model memory card, side cutaway view during insertion, top plan view after side cutaway view after insertion and insertion, find out by knowing in figure, card connector of the present utility model is for being applied to personal computer, notebook computer, on the circuit board 5 of calculating punch or other electronic installation inside, wherein this circuit board 5 places, bottom surfaces, rear are for having plural metallic contact 51, and be positioned at metallic contact 51 outsides and be provided with plurality of through holes 52, when the utility model in when assembling, first circuit board 5 is placed in pedestal 1 top place, and the welding foot 42 that makes shield shell 4 vertically is inserted in respectively in perforation 52 corresponding on circuit board 5, and the conducting terminal 21 of terminal group 2 front and rear rows, the weld part 213 of inspection terminal 22 and earth terminal 23, 224, 233 are positioned metallic contact 51 places corresponding on circuit board 5, the mode of recycling welding gives solid welding and forms electric connection.

when the utility model when using, first with memory card 6 for being inserted into by pedestal 1 the place ahead spigot in grafting space 10, its memory card 6 formed inclined-planes, place, the place aheads just can ejection on the passing face 311 of push unit 3 push block 31, and make push block 31 be positioned at the reciprocatingly slide action of displacement of slideway 13 on a sidewall 12 wherein, push against by push block 31 simultaneously and be a compression on elastic parts 32, and the guide posts (not shown) of Actuator Division 33 is positioned at rail groove 131 and presses the action that produces cycle slip and location as secondary, and the shell fragment 3311 that utilizes spring bearer plate 331 is held in substrate 41 places, bottom surface of shield shell 4, making Actuator Division 33 be difficult for producing situation loosening or that break away from occurs, complete smoothly into card or move back card to facilitate memory card 6, and the better SD card that meets the SD4.0 specification that is embodied as of memory card 6, but when practical application, also can be and meet SD, SDHC(SD3.0) SD card, or be compatible with the RS-MMC card of same adapter connector.

and in the process that memory card 6 pushes, just can ejection on the contact-making surface 2122 of each conducting terminal 21 contact sites 212 of terminal group 2 for to be a strain downwards with elastic arm 2121, and make memory card 6 each contacts 61 corresponding to place, bottom surface support respectively the contact site 212 formation electric connections that are contacted with conducting terminal 21, and be pushed into the 10 interior location, grafting space of pedestal 1 fully until memory card 6 after, just can support formation electric connection on the connecting portion 222 that is contacted with the first inspection terminal 22 downwards by the end 2123 that supports that conducting terminal 21 contact sites 212 are horizontal, and have memory card 6 put in place the detecting function, and because conducting terminal 21 contacts for formation one arranges can not form side by side with the first inspection terminal 22, in the time of can avoiding memory card 6 not insert, the situation of the short circuit that causes occurs, also can see through terminal group 2 and inlay the one-body molded effective whole required thickness that reduces of shoot mode with pedestal 1, to meet the compact design requirement of product, also can save its whole upward required man-hour and cost of making.

moreover, after memory card 6 is pushed into the location, can make memory card 6 side edge ejections produce elasticity beat displacement laterally on the support arm 223 of terminal group 2 second inspection terminals 22, and the section of supporting 2231 of interlock support arm 223 supports, and on the contact flat spring 43 that is contacted with shield shell 4, formation is electrically connected, at this moment, when if but the read-write switch 62 of memory card 6 side edge is positioned at the write-protect position, also can utilize 62 ejections of read-write switch to support to form on the contact flat spring 43 that is contacted with shield shell 4 in the support arm 223 of the second inspection terminal 22 electrically conducts, can prevent that by this memory card 6 internal datas are read or write, anti-, when if but the read-write switch 62 of memory card 6 is positioned at writing position, make support arm 223 beats of the second inspection terminal 22 to the read-write slot (not shown) of memory card 6, do not contact and can not support with the contact flat spring 43 of shield shell 4, can be read or carry out the action of data writing for memory card 6, and have and to detect memory card 6 and whether put in place or have or not write-protected function, can reduce the magnitude setting of unnecessary inspection terminal and the space that pedestal 1 inside takies with this, make more miniaturization of global design.

Above-mentioned detailed description is for a kind of better possible embodiments explanation of the utility model, only this embodiment limits claim of the present utility model, all other do not break away from the equalization of completing under the skill spirit that the utility model discloses to be changed and modifies change, all should be contained in the scope of the claims that the utility model contains.

In sum; only introduce in detail for preferred embodiment of the present utility model; be not to limit to the practical range of the utility model patent with this; therefore such as use simple and easy modification and the equivalent structure that the utility model specification and accompanying drawing content are done to change; all should in like manner be contained in the protection range of the utility model patent application, close and give Chen Ming.

Claims (8)

1. a SD card connecting base, comprise pedestal and terminal group, it is characterized in that:

The pedestal both sides of described pedestal are formed with respectively sidewall, and form the grafting space that can insert for memory card between the two side, and are positioned with terminal group on pedestal;

Described terminal group comprises the complex conduction terminal and is positioned at least one inspection terminal that is arranged side by side between conducting terminal, one side of each conducting terminal is provided with the contact site that is positioned at the grafting space, and the elastic arm of contact site has can be for the corresponding contact pushing tow of memory card the contact-making surface of strain, one of them conducting terminal forms the end that supports of horizontal turnover from contact-making surface, one side of described inspection terminal is provided with the connecting portion that form to be electrically connected for supporting end in contact, does not support end and the connecting portion sky of being separated by under the plug-in card state.

2. SD card connecting base according to claim 1, it is characterized in that: one of sidewall of described pedestal is provided with the slideway of tool rail groove, and the location is equiped with to press for the memory card secondary and completes into card or move back the push unit of card in slideway, described push unit has can be for the push block of memory card ejection, and the push block rear side is provided with elastic parts and push block is provided with the Actuator Division of pressing the cycle slip location in the rail groove as secondary.

3. SD card connecting base according to claim 1, it is characterized in that: two of the sidewall of described pedestal is provided with the storage tank that is communicated in the grafting space, and be provided with a shield shell in the pedestal outer cup, and the conducting terminal reflexed outside described terminal group is provided with the support arm that is arranged in storage tank, and support arm outwards is provided with the section of supporting, and described shield shell is provided with the contact flat spring corresponding with support arm.

4. SD card connecting base according to claim 3 is characterized in that: described shield shell has substrate and the substrate both sides set side plate of bending downwards, and upwards is provided with for the plural welding foot that is connected with circuit board adjacent to the side plate place at substrate.

5. SD card connecting base according to claim 1, it is characterized in that: described pedestal and terminal group one produced by insert molding, described terminal group has and is front-seat conducting terminal and the rear row's conducting terminal that is oppositely arranged, and each conducting terminal all has the base portion that is positioned among the pedestal pedestal, exposes to the contact site in grafting space and be piercing in the outer weld part of pedestal.

6. SD card connecting base according to claim 5 is characterized in that: described pedestal is provided with plural hollow-out parts in bottom, grafting space, and the contact site of each conducting terminal is suspended on the hollow-out parts top.

7. SD card connecting base according to claim 5, is characterized in that: be formed with kink between the contact site of described front-seat conducting terminal and base portion, and kink is provided with towards the place ahead bending extension the snapping sheet that is embedded in the pedestal bottom.

8. SD card connecting base according to claim 1, it is characterized in that: described terminal group has front-seat conducting terminal and the rear row's conducting terminal that meets the SD4.0 specification.

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