CN201323276Y - Electronic card connector - Google Patents
Electronic card connector Download PDFInfo
- Publication number
- CN201323276Y CN201323276Y CNU2008203028846U CN200820302884U CN201323276Y CN 201323276 Y CN201323276 Y CN 201323276Y CN U2008203028846 U CNU2008203028846 U CN U2008203028846U CN 200820302884 U CN200820302884 U CN 200820302884U CN 201323276 Y CN201323276 Y CN 201323276Y
- Authority
- CN
- China
- Prior art keywords
- electronic card
- insulating body
- waist
- splenium
- card coupler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses an electronic card connector, which comprises an insulating body, a plurality of conductive terminals and a metal shell, wherein, the conductive terminals are accommodated in a base of the insulating body and the metal shell is covered on the insulating body. The insulating body is provided with terminal holes which can accommodate the conductive terminals. Each conductive terminal comprises an elastic arm and a fixed arm which extends from one end of the elastic arm. The elastic arm comprises a waist part and a contact part which is formed by continuously extending from the waist part. A welding part is formed at the front end of the fixed arm and is used for contacting a printed circuit board. The two sides of the waist part are provided with a pair of prepressing parts. The prepressing parts butt against and are connected in the terminal accommodating holes and are located below the horizontal plane which is defined by the waist part. The structure can reduce the overall height of the insulating body, increase the distance between the front end of the contact part and the welding part, and protect the conductive terminals and the printed circuit board.
Description
[technical field]
The utility model relates to a kind of electronic card coupler, refers in particular to a kind of electronic card coupler that is used to connect SIM card.
[background technology]
All need on the mobile phone at present to be equipped with a sim card connector to realize the electric connection of SIM card and mobile phone internal circuit board.Existing multiple electronic card coupler of accommodating SIM card, as TaiWan, China patent M320208 number, it discloses a kind of electronic card coupler that is used to accommodate SIM card, such electronic card coupler mainly comprises insulating body, is contained in the plurality of conductive terminals in the insulating body and is covered in metal cap body on the insulating body.Each conducting terminal roughly takes the shape of the letter U, comprise the weld part that is welded on the printed circuit board (PCB) and hold cunning level with both hands and bend the contact site that extends to form from weld part one, weld part roughly is positioned at the contact site below, and the weld part front end is provided with a pre-splenium, this pre-splenium is held in the insulating body, make the conducting terminal front end be subjected to downward pressure in advance, increase the elastic restoring force of conducting terminal.Because the insulating body height is limited, and along with the trend toward miniaturization of electronic product, the height of insulating body is more and more littler, causes the vertical distance between conducting terminal head and the weld part more and more littler.Conducting terminal is in assembling process, because contact site raises up, be easy to be subjected to the phenomenon that external force presses down, if external force is excessive, the conducting terminal front end will collide weld part or collide the printed circuit board (PCB) that is positioned at its below, causes the conducting terminal front end impaired or destroy circuit on the printed circuit board (PCB).
In order to solve the problems of the technologies described above, existing another kind of electronic card coupler, as No. the 510583rd, TaiWan, China patent, the conducting terminal front end that it disclosed is not provided with pre-splenium, but pre-splenium is located at the conducting terminal waist, and both contiguous contact site one side, the conducting terminal front end need not to be provided with pre-splenium and is in the free arm state like this, therefore the conducting terminal front end can upwards be raised certain distance, to increase the vertical distance between conducting terminal and the weld part.Yet, because the conducting terminal waist can produce certain elastic restoring force after being insulated body precompressed in advance, deform burying in the forming process for fear of insulating body with conducting terminal edge, insulating body needs certain thickness, with the precompression of increase insulating body and the ability of resistance to deformation, can produce a contradiction so again, the integral thickness of insulating body has increased, it has increased highly too, is unfavorable for reducing the size of whole electronic card coupler.
Therefore, be necessary the conducting terminal of existing electronic card coupler is improved to overcome the defective of prior art.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of electronic card coupler that is used to accommodate SIM card, and it can reduce whole electronic card coupler size, can protect conducting terminal and printed circuit board (PCB) simultaneously.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electronic card coupler, it comprises insulating body, be contained in insulation in this pedestal plurality of conductive terminals and be covered in metal shell on the insulating body, wherein, insulating body is provided with the terminal hole that is used to accommodate described conducting terminal, each conducting terminal comprises elastic arm, and the fixed arm of own elasticity arm one end extension, described elastic arm comprises waist and the contact site that continues to extend to form from waist, the fixed arm front end is formed for the weld part that contacts with printed circuit board (PCB), described waist both sides are provided with a pair of pre-splenium, and this is connected in the described terminal accommodation holes to pre-splenium and is positioned at the determined horizontal plane of waist below.
Compared to prior art; electronic card coupler of the present utility model forms a pair of pre-splenium by tearing in the waist both sides of conducting terminal; should be lower than the conducting terminal waist to pre-splenium level height; can reduce the whole height of insulating body; increase the distance between contact site front end and the weld part, protection conducting terminal and printed circuit board (PCB).
[description of drawings]
Fig. 1 is the stereogram of the utility model electronic card coupler.
Fig. 2 is the exploded view of the utility model electronic card coupler.
Fig. 3 is a wherein conducting terminal stereogram of the utility model electronic card coupler.
[embodiment]
See also shown in Figure 1, the utility model electronic card coupler is used to accommodate SIM card, it comprises insulating body 3, be installed on the plurality of conductive terminals 2 in the insulating body 3 and be covered in metal shell 1 on the insulating body 3, insulating body 3 matches with metal shell 1 and is formed for accommodating the accepting groove 4 of described card, wherein, insulating body 3 usefulness plastic materials are made, metal shell 1 is used to shield static, provides a downforce to the card that is contained in the described accepting groove 4 simultaneously, will fix on insulating body 3.
See also shown in Figure 2ly, insulating body 3 structure that roughly is square comprises bottom 30 and the vertical pair of sidewalls 31 of bending in 30 both sides from the bottom, wherein, bottom 30 is tabular, with the plug of support card, and which is provided with two row's terminal holes 301 of arranging along card plug direction.The outside of each sidewall 31 is provided with groove 310.
Described metal shell 1 comprises the arm 11 of main part 10 and 10 liang of lateral bucklings of autonomous agent, each arm 11 is provided with the shell fragment 110 that extends internally, these shell fragment 110 correspondences are held in insulating body sidewall 31 groove 310 outward, so that insulating body 3 and metal shell 1 are fixed.
Please in conjunction with Fig. 2 and shown in Figure 3, each conducting terminal 2 structure that roughly takes the shape of the letter U, form by the sheet metal punching press, it comprises elastic arm 21, and own elasticity arm 21 1 is held the fixed arm 20 that sliding bending is extended level with both hands, described elastic arm 21 comprises waist 210 and the contact site 212 that continues to extend to form from waist 210, waist 210 both sides are provided with a pair of pre-splenium 211, should be connected in the terminal accommodation holes 301 of described insulating body 3 and be positioned at waist 210 determined horizontal planes belows pre-splenium 211, fixed arm 20 front ends extend to form and are used for the weld part 201 that contacts with printed circuit board (PCB), fixed arm 20 both sides offer a pair of scarce portion 22 simultaneously, should be corresponding with described pre-splenium 211 respectively to lacking portion 22, when conducting terminal 2 is subjected to excessive pressure, pre-splenium 211 correspondences are accommodated in this scarce portion 22 and can not collided with fixed arm 20, increased the space that presses down of conducting terminal 2, kept the configuration of conducting terminal 2 simultaneously, avoided producing distortion owing to fixed arm 20 collides mutually with elastic arm 21.The portion of lacking 22 front and back sides are provided with protruding thorn 202, and it protrudes in the insulating body 3, to guarantee conducting terminal 2 stable being fixed in the terminal hole 301.In most preferred embodiment, pre-splenium 211 extends along the direction opposite with contact site 212, and be one horizontal, and pre-splenium 211 determined horizontal planes parallel with waist 210 determined horizontal planes or parallel with fixed arm 20 determined horizontal planes, to guarantee effectively to be subjected to the downward precompression that insulating body 3 is applied on the pre-splenium 211, under the optimum state, waist 211 is not subjected to the precompression of insulating body 3 and is exposed to outside the insulating body 3.
In sum, because the pre-splenium 211 determined horizontal planes of conducting terminal 2 are positioned at waist 210 belows, after in conducting terminal 2 is installed on insulating body 3, the downward precompression that 3 pairs of conducting terminals 2 of insulating body are applied all is positioned on the pre-splenium 211, waist 210 can be exposed to outside the insulating body 3 or be in and be contained in the terminal hole 301 under the free state, and the plastic material of waist 210 tops can be very thin, therefore, compared to prior art, same conducting terminal 2, because insulating body 3 acts on the highly lower pre-splenium 211, and need not to act on the highly higher waist 210, therefore the whole height of insulating body 3 is by the vertical height decision of pre-splenium 211, and the whole height of the insulating body of prior art is by the vertical height decision of waist 210, as seen the utility model has reduced the whole height of insulating body 3, and keep the elastic force of conducting terminal 2 constant, and need not pre-splenium to be set at conducting terminal 2 heads, increase the space that presses down of conducting terminal, can avoid conducting terminal to be collided or damage printed circuit board (PCB) simultaneously.
Conducting terminal 2 is not limited only to accommodate in the electronic card coupler of SIM class card in the present embodiment.
Claims (10)
1. electronic card coupler, it comprises insulating body, be contained in insulation in this pedestal plurality of conductive terminals and be covered in metal shell on the insulating body, wherein, insulating body is provided with the terminal hole that is used to accommodate described conducting terminal, each conducting terminal comprises elastic arm, and the bending of own elasticity arm one end is extended and relative fixed arm to setting with elastic arm, described elastic arm comprises waist and the contact site that continues to extend to form from waist, the fixed arm front end is formed for the weld part that contacts with printed circuit board (PCB), it is characterized in that: described waist portion side is provided with pre-splenium, and this is connected in the described terminal accommodation holes to pre-splenium and is positioned at the determined horizontal plane of waist below.
2. electronic card coupler as claimed in claim 1 is characterized in that: described pre-splenium is arranged at the waist both sides and connects with insulating body.
3. electronic card coupler as claimed in claim 2 is characterized in that: the determined extension plane parallel of described pre-splenium determined extension plane and fixed arm.
4. as claim 1 or 3 described electronic card couplers, it is characterized in that: the determined extended surface of described pre-splenium parallels with the determined extended surface of elastic arm.
5. electronic card coupler as claimed in claim 4 is characterized in that: described conducting terminal roughly takes the shape of the letter U, and elastic arm is positioned at the fixed arm top.
6. electronic card coupler as claimed in claim 5 is characterized in that: described fixed arm both sides are provided with and the corresponding scarce portion of described pre-splenium.
7. electronic card coupler as claimed in claim 6 is characterized in that: described fixed arm side before and after scarce portion is provided with some protruding thorns that are contained in the terminal hole.
8. electronic card coupler as claimed in claim 1 is characterized in that: described pre-splenium is to tear formation from the waist both sides, and along continuous straight runs extends.
9. as claim 1 or 8 described electronic card couplers, it is characterized in that: described pre-splenium extends along the direction opposite with the contact site bearing of trend from waist.
10. electronic card coupler as claimed in claim 1 is characterized in that: described waist is exposed to outside the insulating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203028846U CN201323276Y (en) | 2008-11-25 | 2008-11-25 | Electronic card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203028846U CN201323276Y (en) | 2008-11-25 | 2008-11-25 | Electronic card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323276Y true CN201323276Y (en) | 2009-10-07 |
Family
ID=41160651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203028846U Expired - Fee Related CN201323276Y (en) | 2008-11-25 | 2008-11-25 | Electronic card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323276Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280750A (en) * | 2011-04-28 | 2011-12-14 | 深圳市高科五金有限公司 | Electric connector |
| CN102957021A (en) * | 2012-12-04 | 2013-03-06 | 张家港华捷电子有限公司 | SIM (Subscriber Identity Module) card connector for mobile phone |
| CN105680204A (en) * | 2014-12-05 | 2016-06-15 | 日本航空电子工业株式会社 | Connector |
-
2008
- 2008-11-25 CN CNU2008203028846U patent/CN201323276Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280750A (en) * | 2011-04-28 | 2011-12-14 | 深圳市高科五金有限公司 | Electric connector |
| CN102957021A (en) * | 2012-12-04 | 2013-03-06 | 张家港华捷电子有限公司 | SIM (Subscriber Identity Module) card connector for mobile phone |
| CN105680204A (en) * | 2014-12-05 | 2016-06-15 | 日本航空电子工业株式会社 | Connector |
| CN105680204B (en) * | 2014-12-05 | 2018-04-06 | 日本航空电子工业株式会社 | Connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20121125 |