CN1855645A - Pressing device of card connector - Google Patents
Pressing device of card connector Download PDFInfo
- Publication number
- CN1855645A CN1855645A CN 200510068945 CN200510068945A CN1855645A CN 1855645 A CN1855645 A CN 1855645A CN 200510068945 CN200510068945 CN 200510068945 CN 200510068945 A CN200510068945 A CN 200510068945A CN 1855645 A CN1855645 A CN 1855645A
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- CN
- China
- Prior art keywords
- memory card
- terminal group
- pressing device
- card connector
- card
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Abstract
The invention comprises: an insulation seat and a shielding case. The insulation seat has a base in which there is a connecting space for holding different type of memory card. Beside one side of said connecting space there is a slot, and beside another side of said connecting space there is multi sets of posts located in said connecting space in said base. A basal unit is located in said shielding case, and the spring pieces are located at both sides of said basal unit and in the connecting space. When the memory card is inserted, the spring piece can press the memory card to form a barrier that secures the memory card on the set of posts.
Description
Technical field
The present invention is for providing a kind of pressing device of card connector, especially refer to that the shield shell surface is provided with one or more shell fragment, different memories are stuck in when pushing the butt joint space, can compress by an elasticity of shell fragment and produce a downforce, make that memory card contacts really with corresponding terminal group, memory card does not rock inclination, the effect of formation one optimum contact.
Background technology
Flash memory is just strong because of calculation function since coming out, speed is fast, the expandability height, the characteristic that high storage density etc. are charming, in many portable devices, gradually replace EEPROM (voltage cancelling programmble read only memory PROM) or battery powered memory, because semiconductor technology progresses greatly day by day at present, the storage density of flash memory and transmission speed have the growth of advancing by leaps and bounds especially, therefore flash memory directly replaces traditional Storage Medias such as hard drives especially in many application, because flash memory has above-mentioned all multi-functional and characteristic, just there is relevant dealer to utilize flash memory and develops and all types of memory cards, as typical memory card is PCMCIA (Personal Computer Memory Card International Association), roughly still has mmc card (Multi Media Card) at present on the market, CF card (Compact Flash Card), SMC (Smart Media Card), MS card (Memory Stick), SD card (Secure Digital Memory Card), XD card specifications such as (XD-Picture Card) can be for replacing, and this type of memory card promptly has been subjected to consumers in general's favor since coming out, and becoming a kind of indispensable tool using that is almost, employed relatively card connector is also with increase in demand.
Moreover, the location structure of tradition memory card and connector, be that memory card is plugged in the connector, so that memory card and connector are the purpose of electric connection, and because the pattern difference of various memory cards, its apparent size and type shape are also variant, and make the memory card of different types, must be plugged on the specific pattern connector that is consistent with its pattern, can make connector read data on file in the memory card, so, also be subjected to the restriction of connector form in use, use different memory cards and can't substitute, so, must be provided with the connector of multiple different types in circuit board, also make the enlarged areas of circuit board, occupation space also increases relatively.Thus, just there is the dealer to research and develop a kind of connector that provides multiple different size memory card to peg graft is provided, as No. the 536002nd, TW notification number " dual card type electric connector ", apply on April 26th, 2002, see also shown in Figure 8, be disclosed stereo appearance figure, find out by knowing among the figure, this connector is provided with insulating body A, and insulating body A two sides be provided with the bigger grafting width of formation two relatively before the A1 of rail portion, and the two back relatively rail A2 of portion that just are formed with narrower grafting width thereafter, and in the front and back rail A1 of portion, be provided with relative retaining system mouth A3 between A2, be provided with the terminal base A5 that can supply plural terminals group A4 to wear in addition in insulating body A rear end, and plural terminals group A4 has the row of going up terminal A41 and arranges terminal A42 down, and the contact-segment A411 of last row's terminal A41 is for being close to terminal base A5, and the contact-segment A421 of following row's terminal A42 then is close to the opening part of insulating body A, is electrical contact for the contact with different preset memory cards.
Yet, this kind structural design, feasible memory is stuck in when pushing, memory card can form electrical the contact with each conducting terminal, when memory card inserts, memory card compresses distortion for conducting terminal is, and conducting terminal supports memory card and forms the state that electrically supports for having an elastic reset power, and conducting terminal can be along with the use of memory card time or the increase that repeats to plug number of times make its elastic fatigue, support memory card and allow conducting terminal can lose elastic reset power gradually, and, insulating base frame can make that promptly memory card rocks when being subjected to moving or clashing into, easily cause loose contact and produce noise, and when elastic fatigue is serious, can cause memory card can't form electrical the contact, and then memory card is used with the excesssive gap up and down of conducting terminal, moreover, because now shield shell be very thin, so be stuck in when memory in the process of plug insulating base frame, makes shield shell generation deformation easily, and the problems of too of gap up and down of memory card and conducting terminal can be more serious, and can't use.
Thus, how to address the above problem and defective, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.
Summary of the invention
Main purpose of the present invention is to be to provide a kind of pressing device of card connector, this shield shell that compresses device is provided with one or more shell fragment, and shell fragment is on the shield shell surface and near between the alar part, when different memory cards insert, the pressing part that sees through shell fragment institute tool produces the elasticity power that compresses and compresses memory card downwards, and make memory card reduce the interior adjacent segment of insulating base frame, make memory card be positioned between terminal group and shield shell, and easily contact with corresponding terminal position, and can prevent that memory card from causing transfer of data interrupt to run off because of teetertottering, and then reach that memory card is stable to be pushed, the location really, do not rock inclination, form the effect of an optimum contact.
For reaching above-mentioned purpose and effect, the technology used in the present invention means and being constructed as follows:
A kind of pressing device of card connector, include insulating base frame and shield shell is formed, wherein this insulating base frame has a pedestal, and pedestal has the butt joint space that can supply different preset memory cards to push, and butt joint space one side is provided with slot, then be provided with terminal group away from other side of slot, and each terminal group is arranged in the pedestal and is located in the butt joint space, it is characterized in that this shield shell has a base portion, and in the downward shell fragment that is provided with of two side direction of base portion, and shell fragment is positioned at the butt joint space.
Below in conjunction with accompanying drawing and preferred embodiment of the present invention its feature and function are described in detail.
Description of drawings
Fig. 1 is a stereo appearance figure of the present invention.
Fig. 2 is a three-dimensional exploded view of the present invention.
Fig. 3 is a side cutaway view of the present invention.
Fig. 4 is the side cutaway view of the present invention when memory card pushes.
Fig. 5 is the side cutaway view of the present invention after memory card pushes.
Fig. 6 is the side cutaway view of the present invention when another memory card pushes.
Fig. 7 is the side cutaway view of the present invention after another memory card pushes.
The stereo appearance figure that Fig. 8 uses for prior art.
Symbol description among the figure:
1, insulating base frame
11, pedestal 142, second terminal group
12, butt joint space 15, guidance part
13, slot 151, guide ramp
114, terminal group 152, plane of orientation
141, the first terminal group
2, shield shell
21, base portion 23, shell fragment
22, alar part 231, pressing part
221, button hole
3, memory card
31, groove 33, guiding incline
32, contact
A, insulating body
A1, the preceding rail A411 of portion, contact-segment
A2, the back rail A42 of portion, arrange terminal down
A3, retaining system mouthful A421, contact-segment
A4, plural terminals group A5, terminal base
A41, on arrange terminal A6, surface
Embodiment
Please consult shown in Fig. 1,2,3 simultaneously, be stereo appearance figure of the present invention, three-dimensional exploded view and side cutaway view, find out that by knowing among the figure pressing device of card connector of the present invention includes insulating base frame 1 and shield shell 2 is formed, thus with regard to the primary structure feature of this case describe in detail as after; Wherein:
This insulating base frame 1 has a pedestal 11, and pedestal 11 has the butt joint space 12 that can supply different preset memory card (not shown)s to push, and butt joint space 12 1 sides are provided with slot 13, then be provided with plural terminals group 14 away from slot 13 other sides, its plural terminals group 14 has at least one group of above terminal group, and each terminal group 14 is arranged in the pedestal 11 and is located in the butt joint space 12, and plural terminals group 14 has the first terminal group 141 and second terminal group 142, and the first terminal group 141 and second terminal group 142 are for forming electrical contact for different preset memory cards, be provided with plural guidance part 15 in butt joint 12 bottom surfaces, space in addition, its guidance part 15 front ends are formed with guide ramp 151, and guide ramp 151 is terminal for having extended to form plane of orientation 152.
This shield shell 2 has a base portion 21, and under base portion 21 2 side direction, be bent with alar part 22, its alar part 22 is provided with one or more button hole 221 in the plane, and this button hole 221 can coat for shield shell 2 and be fastened on the insulating base frame 1, and extend one or more shell fragment 23 under two side direction of base portion 21, and shell fragment 23 is positioned at butt joint space 12, its shell fragment 23 can be steel or iron material is made, and be provided with the pressing part 231 of arcuation in shell fragment 23 ends, and this pressing part 231 is made the usefulness of a location for compressing the preset memory card.
Please continue to consult Fig. 2,4, shown in 5, be three-dimensional exploded view of the present invention, side cutaway view when memory card pushes and the side cutaway view after memory card pushes, find out by knowing among the figure, pressing device of card connector of the present invention can be applicable to the memory card 3 of various different size patterns, when the memory card 3 that uses first kind of specification, when pushing the short memory card 3 of stroke as: SD card etc., only need are pushed by the slot 13 in the butt joint space 12 of insulating base frame 1, and these type of memory card 3 front bottom end all are provided with and second terminal group, 142 corresponding plural grooves 31, and each groove 31 all contains contact 32, electrically connect for forming with 142 contacts of corresponding second terminal group, and then can carry out the action of data transmission, so, when this memory card 3 pushes, its memory card 3 can see through each groove 31 of leading edge bottom and cross guidance part 15, be pushed into the location until memory card 3, at this moment, the elasticity of 231 tools of pressing part of shell fragment 23 compresses power for memory card 3 being compressed second terminal group 142 downwards, the contact site that the contact 32 of memory card 3 just can compress second terminal group, 142 terminal institute tools forms electric connection, if when not using memory card 3, then memory card 3 can be extracted outside insulating base frame 1, just can discharge the shell fragment 23 that presses on the memory card 3, make second terminal group 142 in butt joint space 13, reset, and this shell fragment 23 can fit on second terminal group 142 memory card 3 more, can form with the contact 32 of memory card 3 with the contact site of guaranteeing second terminal group 142 electrically to contact.
Please continue to consult Fig. 2,6, shown in 7, be three-dimensional exploded view of the present invention, side cutaway view when another memory card pushes and the side cutaway view after another memory card pushes, find out by knowing among the figure, pressing device of card connector desire of the present invention is used the memory card 3 of second kind of specification, when pushing the long memory card 3 of stroke as: MS card etc., only need are pushed by slot 13 places in the butt joint space 12 of insulating base frame 1, and these type of memory card 3 nose thickness comparatively integral thickness are thin, its leading edge has a guiding incline 33, and front bottom end also is provided with and the first terminal group 141 corresponding plural grooves 31, and each groove 31 all contains contact 32, electrically connect for forming with 141 contacts of corresponding the first terminal group, and then can carry out the action of data transmission, so, when this memory card 3 pushes, the guiding incline 33 of its memory card 3 leading edges can see through guide ramp 151 guidings of guidance part 15, guiding memory card 3 upwards floats and crosses second terminal group 142, and the pressing part 231 of shell fragment 23 is for pressing on the first terminal group 141 downwards with memory card 3, continue memory card 3 is pushed into the location, the guiding incline 33 of this memory card 3 is positioned on the plane of orientation 152 of guidance part 15, the contact site that makes the contact 32 of memory card 3 compress 141 tools of the first terminal group forms and electrically connects, if when not using memory card 3, then memory card 3 can be extracted outside the insulating base frame 1, just can discharge the first terminal group 141 of being suppressed by memory card 3, its the first terminal group 141 is resetted in butt joint space 13, with this structural design, can make this type of push the long memory card 3 of stroke when inserting, the one elasticity power of compressing of shell fragment 23 presses down and forms an interference, can closely suppress memory card 3 really, and because memory card 3 is upwards to float by guidance part 15 guidings earlier, make memory card 3 form the situation that pushes pressure on one, its memory card 3 can closely be suppressed the first terminal group 141, butt joint more fits tightly, make the contact 32 of memory card 3 very easily contact the formation electric connection simultaneously with the first terminal group 141 location, and after memory card 3 inserts the location, its memory card 3 is affixed on the first terminal group 141 and 2 of shield shells for supporting, but and then make memory card 3 when using strong fix in connector and can not produce the situation generation that teetertotters.
The above, the key that pressing device of card connector of the present invention can improve prior art is:
These shield shell 2 designs have shell fragment 23, by this when memory card 3 when inserting, the elasticity of shell fragment 23 and 14 tools of terminal group compresses power for can support its memory card 3 up and down, make the contact 32 of memory card 3 very easily be held in electrically contact of corresponding terminal group 14 formation, but allow memory card 3 strong fixs in connector, and because shell fragment 23 and terminal group 14 have its resist force up and down, can allow bigger elastic fatigue when making its elastic reset, increase the useful life of connector, in order to do reducing crack between memory card 3 and the terminal group 14, rock to avoid memory card 3 when moving or collide, to produce, cause the memory card 3 and the facts of each terminal group 14 loose contact to take place, transfer of data is interrupted or loss.
So, the present invention is directed to shield shell 2 is provided with visual memory card 3 sizes and is embodied as main key protection point in one or more at least shell fragment 23 modes, also can push the memory card 3 of one or one above different size in addition in the butt joint space 12 of insulating base frame 1, and the memory card 3 that this butt joint space 12 can be put can be as mmc card (Multi Media Card), CF card (Compact Flash Card), SMC card (Smart Media Card), MS card (Memory Stick), SD card (Secure Digital Memory Card), the combination in any of XD card all size patterns such as (XD-Picture Card); Yet, above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the present invention, only this embodiment is not in order to limit claim of the present invention, all other do not break away from the equalization finished under the disclosed skill spirit to be changed and modifies change, all should be contained in the claim that the present invention contains.
In sum, pressing device of card connector of the present invention has obvious effect when using promotes, and really meets the patent requirement of novelty, creativity and progressive, files an application in accordance with the law.
Claims (8)
1, a kind of pressing device of card connector, include insulating base frame and shield shell is formed, wherein this insulating base frame has a pedestal, and pedestal has the butt joint space that can supply different preset memory cards to push, and butt joint space one side is provided with slot, away from slot in addition side then be provided with terminal group, and each terminal group is arranged in the pedestal and is located in the butt joint space, it is characterized in that
This shield shell has a base portion, and in the downward shell fragment that is provided with of two side direction of base portion, and shell fragment is positioned at the butt joint space.
2, pressing device of card connector as claimed in claim 1 is characterized in that, this plural terminals group has the first terminal group and second terminal group, and the first terminal group and second terminal group form electrical contact for different preset memory cards.
3, pressing device of card connector as claimed in claim 1 is characterized in that, is bent with alar part under these base portion two side direction, and its alar part can be provided with one or more button hole in the plane, and this button hole is fastened on the insulating base frame for the shield shell coating.
4, pressing device of card connector as claimed in claim 1 is characterized in that, this shell fragment end is provided with pressing part.
5, pressing device of card connector as claimed in claim 4 is characterized in that, this pressing part is an arc shape.
6, pressing device of card connector as claimed in claim 1 is characterized in that, this shell fragment is that steel are made.
7, pressing device of card connector as claimed in claim 1 is characterized in that, this shell fragment is that iron material is made.
8, pressing device of card connector as claimed in claim 1 is characterized in that, this bottom surface, butt joint space is provided with plural guidance part, and its guidance part front end is formed with guide ramp, and the guide ramp end has extended to form plane of orientation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510068945 CN1855645A (en) | 2005-04-28 | 2005-04-28 | Pressing device of card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510068945 CN1855645A (en) | 2005-04-28 | 2005-04-28 | Pressing device of card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1855645A true CN1855645A (en) | 2006-11-01 |
Family
ID=37195578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510068945 Pending CN1855645A (en) | 2005-04-28 | 2005-04-28 | Pressing device of card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1855645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567500B (en) * | 2008-04-21 | 2012-07-18 | 凡甲电子(苏州)有限公司 | Power connector and terminal supporting structure thereof |
| CN114006202A (en) * | 2020-07-28 | 2022-02-01 | 住友电装株式会社 | Connector structure |
-
2005
- 2005-04-28 CN CN 200510068945 patent/CN1855645A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567500B (en) * | 2008-04-21 | 2012-07-18 | 凡甲电子(苏州)有限公司 | Power connector and terminal supporting structure thereof |
| CN114006202A (en) * | 2020-07-28 | 2022-02-01 | 住友电装株式会社 | Connector structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |