CN103066422A - Memory card connector - Google Patents
Memory card connector Download PDFInfo
- Publication number
- CN103066422A CN103066422A CN2011103255776A CN201110325577A CN103066422A CN 103066422 A CN103066422 A CN 103066422A CN 2011103255776 A CN2011103255776 A CN 2011103255776A CN 201110325577 A CN201110325577 A CN 201110325577A CN 103066422 A CN103066422 A CN 103066422A
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- China
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- switch terminal
- card connector
- contact site
- side arm
- base portion
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a memory card connector, and particularly to a subminiaturized, high-density and high-transmission speed memory card connector. The memory card connector comprises an insulation body and a detective unit. The insulation body comprises a base part, a second side arm formed by one side of the base part extending upward, and a concave part formed by the second side arm concaving inward. The detective unit comprises a first switch terminal and a second switch terminal, wherein the second switch terminal comprises a second fixed part fixed on the second side arm, a second contact part arranged on the concave part, the first switch terminal comprises a first fixed part fixed on the second side arm and a first contact part which moves toward the second contact part and contacts or disconnects with the second contact part in an electrical mode, the concave part comprises a side wall which is vertical to the horizontal moving direction of the first contact part and abuts against the second switch terminal towards the outside of the base part, and the second switch terminal bends towards the base part.
Description
Technical field
The present invention relates to a kind of card connector, particularly the card connector of a kind of subminaturization, high density and high transmission speed belongs to the electric connector in mobile phone or the memory device.
Background technology
Storage card is used for the multiple electronic products such as mobile phone or video camera, digital camera, MP3 player, toy, game machine.Usually, storage card is connected in the card reading circuit by card connector, card connector includes the space that is provided with storage card and keeps connection, the conducting terminal that receives storage card and detecting part, whether the detecting part inserts fully in order to detect electronic cards, present detecting part is generally two-piece design, comprises the first switch terminal and second switch terminal, and originally the first switch terminal and second switch terminal member generally are in off-state, have certain gap this moment between the two, guarantee to disconnect.After electronic cards is inserted, compress the first switch terminal by the electronic cards front end, make the first switch terminal and second switch terminal become contact condition, yet, in present use, because the gap between second switch terminal and the first switch terminal is less, in case the second switch terminal deforms, will cause when electronic cards is not inserted, both just contact, the phenomenon that is short-circuited, thus the bad problem of Card Reader caused.Simultaneously, owing to present card connector just progressively makes the transition towards subminaturization, high density and high transmission speed, so the global design of card connector has also been proposed larger requirement.
Summary of the invention
The object of the present invention is to provide a kind of card connector with subminaturization, high density type and high transmission speed of good Card Reader performance.
For realizing aforementioned purpose, the present invention adopts following technical scheme: a kind of card connector, comprise insulating body and detecting part, described insulating body comprises base portion, the second side arm that on described base portion one side direction, extends to form, and the recess that forms from the second side arm indent, described detecting part comprises the first switch terminal and second switch terminal, described second switch terminal comprises the second fixed part that is fixed in the second side arm, be positioned at the second contact site of recess, described the first switch terminal comprises the first fixed part that is fixed in the second side arm, towards the second contact site move and with the first contact site of the second contact site electrical contact or disconnection, described recess comprises a sidewall that moves horizontally direction and the second switch terminal is supported perpendicular to the first contact site outside base portion, described second switch terminal is towards the base portion bending.
As a further improvement on the present invention, described sidewall comprises for the convex surface that supports the second switch terminal outside base portion.
As a further improvement on the present invention, described sidewall also comprises the plane that is connected with the second side arm and the guide surface that connects plane and convex surface.
As a further improvement on the present invention, described convex surface is the plane, and described guide surface is that self-balancing is towards the slope of convex surface smooth connection.
As a further improvement on the present invention, described second switch terminal also comprises the second connecting portion that connects the second contact site and the second fixed part, and described second switch terminal forms a bending line towards the base portion bending, and described bending line is positioned at connecting portion.
As a further improvement on the present invention, described contact site thickness is less than the thickness of connecting portion, and forms stepped with connecting portion.
As a further improvement on the present invention, described the second contact site comprises with the electrical contacts of the first contact site electrical contact or disconnection, in order to support the support division of sidewall.
As a further improvement on the present invention, described support division is provided with the first convex tendon that supports with sidewall.
As a further improvement on the present invention, described the first convex tendon is provided with chamfering from the head of the second fixed part distal-most end.
As a further improvement on the present invention, described electrical contacts is provided with the second convex tendon with the first contact site electrical contact or disconnection.
The present invention so that the space proportion of the whole shared card connector of detecting part reduces, realizes card connector subminaturization, high density design by offering recess and utilizing the recess space to accommodate switch terminal; Owing to adopt the precompressed design of sidewall and bending, prevent front the first switch terminal of plug-in card and second switch termination contact, be short-circuited, produce the bad phenomenon of Card Reader, realized high transmission speed.
Description of drawings
Fig. 1 is the overall structure explosive view in the specific embodiment of the invention.
Fig. 2 is the assembly drawing of insulating body among Fig. 1, conducting terminal and detecting part.
Fig. 3 is the structure chart of insulating body among Fig. 1.
Fig. 4 is the enlarged drawing of circle A among Fig. 3.
Fig. 5 is the front view of Fig. 3.
Fig. 6 is the enlarged drawing of circle B among Fig. 5.
Fig. 7 is the structure chart of second switch terminal among Fig. 1.
Fig. 8 is insulating body and second switch terminal assembling state diagram.
Fig. 9, Figure 10 two states figure that to be the first switch terminal disconnect or contact with the second switch terminal.
Embodiment
Please refer to Fig. 1,2, a kind of card connector, comprise insulating body 1, conducting terminal 2, detecting part 3 and the housing 4 in order to cover insulating body 1, described insulating body 1 comprises base portion 11, several conducting end pilot trench 12 for fixed conductive terminals 2 in the formation of base portion 11 indents, extend upward and integrated the first side arm 14 and the second side arm 15 from base portion 11 both sides, recess 13 from the formation of the second side arm 15 indents, detecting part 3 comprises the first switch terminal 31 and the second switch terminal 32 of electrical contact or disconnection, second switch terminal 32 is fixed in the second sidewall 15 by second fixed part 323 of its rear end, the first switch terminal 31 is fixed in the second side arm 15 by first fixed part 313 of its rear end, in conjunction with Fig. 9,10, when the first switch terminal 31 inserts at storage card 5, the first contact site 311 that storage card 5 promotes the first switch terminal 31 front ends moves horizontally the second contact site 321 electrical contacts (being short circuit) of realizing with second switch terminal 32 front ends, when storage card 5 is extracted, because the first switch terminal 31 and second switch terminal 32 are copper sheet, has elasticity (when second switch terminal 32 contacts with the first switch terminal 31, because the thrust of the first switch terminal 31, second switch terminal 32 front ends can be towards insulating body 1 outer displacement), both can revert to original state (namely can have a determining deviation between the two---disconnect), and the first contact site 311 is connected by the first connecting portion 312 with the first fixed part 313.
Please refer to Fig. 5, described the first side arm 14 is different from the second side arm 15 structures, and the first side arm 14 is the common structure form, at this not to its frequent description.The second side arm 15 is provided with the first holddown groove 151 and the second holddown groove 152, and this first holddown groove 151 is made of for accommodating the cavity of fixing the first fixed part 313 jointly the second side arm 15 and base portion 11,152 of the second holddown grooves be opened in the second side arm 15 in.
Please refer to Fig. 2,3, recess 13 is formed by the second side arm 15 front end indents, form step-like between recess 13 and the base portion 11, this recess 13 comprises the sidewall 131 that moves horizontally direction (i.e. the first contact site 311 electrical contacts or disconnection moving direction) and second switch terminal 32 outside (outside base portion 1) is supported perpendicular to the first contact site 311, the diapire 132 vertical with sidewall 131, in the accompanying drawings, this sidewall 131 also is the sidewall of base portion 1, after second switch terminal 32 is installed, its first fixed part 323 is in the second location notch 152, other parts are positioned at recess 13, second switch terminal 32 is perpendicular to diapire 132, sidewall 131 outwards supports second switch terminal 321, increase precompression, when guaranteeing that storage card 5 does not insert, maintain certain gap between the first switch terminal 31 and the second switch terminal 32, guarantee to be open-circuit condition between the two, prevent both short circuits, cause the Card Reader bad phenomenon.
Please refer to Fig. 3,4, sidewall 131 comprises the plane 1313 that is connected with the second side arm 15, in order to the convex surface 1313 that outwards supports second switch terminal 32, and the guide surface 1312 that connects plane 1313 and convex surface 1311, this guide surface 1312 is 1313 slopes to convex surface 1311 smooth connections from the plane, after second switch terminal 32 is fixedly mounted on the second sidewall 15, this plane 1313 does not contact with second switch terminal 32, has a determining deviation between the two, when mounted, because guide surface 1312 is slope, play the guiding role, guiding second switch terminal 32 is smoothly mobile towards convex surface 1311, also prevents second switch terminal 32 when mounted simultaneously, and scratch damages base portion 1.In the accompanying drawings, described convex surface 1311 is the plane, certainly can also form other shapes, its final purpose is that second switch terminal 32 is supported to the outside, increase its precompression, when remaining on storage card 5 and not inserting, the gap between the first switch terminal 31 and the second switch terminal 32 prevents both short circuits.And in order further to keep the stable of precompression, second switch terminal 32 is towards 31 bendings of the first switch terminal (being that second switch terminal 32 is towards base portion 1 bending).At this, its convex surface 1311 all is in order to increase the precompressed of second switch terminal 32 with bending.
Please refer to Fig. 7, described second switch terminal 32 comprises the second contact site 321, the second fixed part 323, and the second connecting portion 322 that connects the second contact site 321 and the second fixed part 323, this second fixed part 323 is fixed in the second holddown groove 152, the second contact site 321 and the second connecting portion 322 are positioned at recess 13, contact site is two parts about in the of 321 minutes, be specially: contact site 321 is divided into the electrical contacts 3211 with the first contact site 311 electrical contacts or disconnection, in order to the support division 3212 that is held in convex surface 1311, electrical contacts 3211 is provided with the second convex tendon 3214 with electrical contacts 3211 electrical contacts or disconnection, realize that by this second convex tendon 3214 the first switch terminal 31 contacts with the point of second switch terminal 32, with second switch terminal 32 the second convex tendon 3214 not being set contacts with the face of electrical contacts 3211 and compares, the electric connection of some contact is stable, and have when dirty when the second convex tendon 3214 surfaces, in a contact process, electrical contacts 3211 can also with dirty the wiping off on the second convex tendon 3214 surfaces, reach stable contact.Support division 3212 is provided with the first convex tendon 3213 that supports towards convex surface 1311, can increase the precompression of second switch terminal 32 by this first convex tendon 3213, in aforementioned, having mentioned convex surface 1311 and bending also is in order to improve precompression, at this, the first convex tendon 3213 is set simultaneously can further increase precompression, certainly, can not arrange yet, perhaps only select modes a kind of or two kinds of combinations wherein to realize precompression in three kinds.In order to prevent that the head cusp (not drawing) that the first convex tendon 3213 forms from scraping guide surface 1312 when mounted when preparation forms, generation plastic cement bits, at the first convex tendon 3213 heads (this head is from fixed part 323 distal-most end) chamfering (mark) is set, and because in preparation process, the first convex tendon 3213 is generally made with the second convex tendon 3214, so its chamfering also can exist on the head of the second convex tendon 3214.
Mention aforementioned, in order to improve the precompression of second switch terminal 32, second switch terminal 32 is towards 31 bendings of the first switch terminal, and 3221 of its folding lines that is bent to form are located at connecting portion 322, certainly can also have other positions.
Described the second fixed part 323 comprise from contact site 321 and connecting portion 322 extend back the upper fixed part 3231 that forms, certainly go up the lower fixed part 3232 that fixed part 3231 extends to form downwards, the second fixed part 323 forms the L-type shape, its bottom also is bent with an electric welding connecting portion 324, is used for outside electrical connection.Again in conjunction with Fig. 5,6, second switch groove 152 comprises the first side wall 1521 that is oppositely arranged with the second fixed part 323, the second sidewall 1522 that is oppositely arranged with the first side wall 1521, spacing between this first side wall 1521 and the upper fixed part 3231 is greater than the spacing between the first side wall 1521 and the lower fixed part 3232, be about to the first side wall 1521 and be divided into the upper side wall 15211 that is oppositely arranged with upper fixed part 3231, with the lower wall 15212 that is oppositely arranged with lower fixed part 3232, upper side wall 15211 is stepped with lower wall 15212, form offset, the second sidewall 1522 is close to the back side of the second fixed part 323, by this kind design, in conjunction with Fig. 8, when second switch terminal 32 inserts second switch groove 152, because the separation on second switch groove 152 tops is larger, the separation of i.e. the second contact site 321 insertions is larger, can realize rapid alignment, can not cause contact site 321 distortion, and the separation of bottom is identical with before technology, thereby can not affects the intensity of insulating body 1.
More convenient in order to install, do not affect the intensity with insulating body 1 and convex tendon 321(i.e. the first convex tendon 3213 and the second convex tendon 3214 be set, this first convex tendon 3213, the second convex tendon 3214 can arrange one or be arranged to the convex tendon of an integral body) time, the second contact site 321 is indeformable, the second contact site 321 is thinned, its thickness forms stepped less than the thickness of connecting portion 322 with connecting portion 322.
The present invention is by offering recess 13, utilizing recess 13 spaces to accommodate the design of switch terminal and offset, so that the space proportion of detecting part 3 whole shared card connectors is less, and realized card connector subminaturization, high density design; Because adopt the precompressed design of sidewall 131 and bending, this card connector can not produce the bad phenomenon of Card Reader, has improved its high transmission speed; And the design of the offset on its second side arm 15 in the situation of the intensity that does not weaken itself, has realized rapid-assembling.
Although be the example purpose, preferred implementation of the present invention is disclosed, but those of ordinary skill in the art will recognize that in situation about not breaking away from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. card connector, comprise insulating body (1) and detecting part (3), described insulating body (1) comprises base portion (11), the second side arm (15) that on described base portion (11) one side direction, extends to form, described detecting part (3) comprises the first switch terminal (31) and second switch terminal (32), described second switch terminal (32) comprises the second fixed part (323) that is fixed in the second side arm (15), be positioned at second contact site (321) of recess (13), described the first switch terminal comprises the first fixed part (313) that is fixed in the second side arm (15), towards the second contact site (321) mobile and with first contact site (311) of the second contact site (321) electrical contact or disconnection, it is characterized in that: described insulating body (1) also comprises the recess (13) that forms from the second side arm (15) indent, described recess (13) comprises a sidewall (131) that moves horizontally direction and second switch terminal (32) is supported perpendicular to the first contact site (311) outside base portion (11), described second switch terminal (32) is towards base portion (11) bending.
2. card connector according to claim 1, it is characterized in that: described sidewall (131) comprises for the convex surface (1311) that supports second switch terminal (32) outside base portion (11).
3. card connector according to claim 2 is characterized in that: described sidewall (131) also comprises the plane (1313) that is connected with the second side arm (15) and the guide surface (1312) that connects plane (1313) and convex surface (1311).
4. card connector according to claim 3 is characterized in that: described convex surface (1311) is the plane, described guide surface (1312) be from the plane (1313) to the slope of convex surface (1311) smooth connection.
5. card connector according to claim 1, it is characterized in that: described second switch terminal (32) also comprises the second connecting portion (322) that connects the second contact site (321) and the second fixed part (323), described second switch terminal (32) forms a bending line (3221) towards base portion (11) bending, and described bending line (3221) is positioned at connecting portion (322).
6. card connector according to claim 5 is characterized in that: described contact site (321) thickness is less than the thickness of connecting portion (322), and forms stepped with connecting portion (322).
7. it is characterized in that according to claim 1 or 6 described card connectors: described the second contact site (321) comprises and the electrical contacts (3211) of the first contact site (311) electrical contact or disconnection, support division (3212) in order to support sidewall (131).
8. card connector according to claim 7, it is characterized in that: described support division (3212) is provided with the first convex tendon (3213) that supports with sidewall (131).
9. card connector according to claim 8, it is characterized in that: described the first convex tendon (3213) is provided with chamfering from the head of the second fixed part (323) distal-most end.
10. card connector according to claim 6 is characterized in that: described electrical contacts (3211) be provided with in order to second convex tendon (3214) of the first contact site (31) electrical contact or disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103255776A CN103066422A (en) | 2011-10-24 | 2011-10-24 | Memory card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103255776A CN103066422A (en) | 2011-10-24 | 2011-10-24 | Memory card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103066422A true CN103066422A (en) | 2013-04-24 |
Family
ID=48108944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103255776A Pending CN103066422A (en) | 2011-10-24 | 2011-10-24 | Memory card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103066422A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601812A (en) * | 2003-09-25 | 2005-03-30 | 莫列斯公司 | Electronic card connector |
| US20050221649A1 (en) * | 2002-12-26 | 2005-10-06 | Hirohisa Tanaka | Connector for memory card |
| CN200976412Y (en) * | 2006-11-17 | 2007-11-14 | 上海莫仕连接器有限公司 | Electronic card connector |
| CN201038464Y (en) * | 2007-05-29 | 2008-03-19 | 上海莫仕连接器有限公司 | Electronic card connector |
| CN201075417Y (en) * | 2007-06-04 | 2008-06-18 | 富士康(昆山)电脑接插件有限公司 | Connector for electronic card |
| CN202282492U (en) * | 2011-10-24 | 2012-06-20 | 昆山雷驰电子有限公司 | Card connector |
-
2011
- 2011-10-24 CN CN2011103255776A patent/CN103066422A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050221649A1 (en) * | 2002-12-26 | 2005-10-06 | Hirohisa Tanaka | Connector for memory card |
| CN1601812A (en) * | 2003-09-25 | 2005-03-30 | 莫列斯公司 | Electronic card connector |
| CN200976412Y (en) * | 2006-11-17 | 2007-11-14 | 上海莫仕连接器有限公司 | Electronic card connector |
| CN201038464Y (en) * | 2007-05-29 | 2008-03-19 | 上海莫仕连接器有限公司 | Electronic card connector |
| CN201075417Y (en) * | 2007-06-04 | 2008-06-18 | 富士康(昆山)电脑接插件有限公司 | Connector for electronic card |
| CN202282492U (en) * | 2011-10-24 | 2012-06-20 | 昆山雷驰电子有限公司 | Card connector |
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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 |
Application publication date: 20130424 |