CN203690560U - Card connector - Google Patents
Card connector Download PDFInfo
- Publication number
- CN203690560U CN203690560U CN201420024179.XU CN201420024179U CN203690560U CN 203690560 U CN203690560 U CN 203690560U CN 201420024179 U CN201420024179 U CN 201420024179U CN 203690560 U CN203690560 U CN 203690560U
- Authority
- CN
- China
- Prior art keywords
- card connector
- insulating body
- terminal groove
- groove
- contact site
- 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 - Lifetime
Links
- 238000003780 insertion Methods 0.000 claims abstract description 8
- 230000037431 insertion Effects 0.000 claims abstract description 8
- 239000012634 fragment Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Abstract
The utility model provides a card connector. The card connector comprises an insulation body and a conductive terminal mounted in the insulation body, wherein the insulation body is provided with a terminal groove, the conductive terminal is provided with an elastic arm accommodated in the terminal groove, a contact portion which stretches out of the terminal groove to contact with an electronic card, and a guiding portion which connects with the contact portion and the elastic portion, the contact portion is arranged above a central portion of the terminal groove, the guiding portion extends from the contact portion to two side edges of the terminal groove to stretch into the terminal groove, a lower end face of the guiding portion is not higher than the terminal groove, in the horizontal direction, and the line between the initial contact point at the first contact of the electronic card and the guiding portion and a top point of the contact portion is not in parallel with an insertion direction of the electronic card.
Description
Technical field
The utility model relates to a kind of card connector.
Background technology
Existingly generally include insulating body in order to receive the card connector of electronic cards, be immobilizated in the some conducting terminals on insulating body and hide the shielding casing of insulating body, described insulating body and shielding casing form in order to accommodate the receiving space of electronic cards.
The conducting terminal of existing most of card connectors is all fine strip shape design, is only doing at contact end face the variation of different shape.As: the contact jaw of conducting terminal is designed to the arcuation of projection, to facilitate the insertion of electronic cards and to exit; Conducting terminal is designed to upward shape of afterbody, and it is horizontal flat-shaped etc. that least significant end is.
But, be designed to the card connector of the arcuation of projection for conducting terminal contact jaw, when plug-in card, electronic cards by conducting terminal contact jaw in the process pressing down, contact jaw can preferential interfering with pcb board and cause the card contact jaw that is not in place just to abut to pcb board, thus generation freely-supported and cause cannot plug-in card.
In view of this, be necessary existing card connector to be improved, to address the above problem.
Utility model content
The purpose of this utility model is to provide a kind of novel card connector, and this card connector can prevent freely-supported effectively, thereby plug-in card is smooth and easy.
For realizing above-mentioned utility model object, a kind of card connector of the present utility model, it comprises insulating body and is installed on the conducting terminal in described insulating body, described insulating body is provided with terminal groove, described conducting terminal is provided with the elastic arm being contained in described terminal groove, stretch out described terminal groove with the contact site contacting with electronic cards and the guidance part that is connected described contact site and described elastic arm, the top of described contact site in the middle of described terminal groove, described guidance part is extended in described terminal groove to the dual-side of described terminal groove by described contact site, and the lower surface of described guidance part does not exceed described terminal groove, in the horizontal direction, line between initial contact point and the summit of described contact site that electronic cards contacts first with described guidance part and the direction of insertion of electronic cards are not parallel.
As further improvement of the utility model, the lower surface of described contact site and described elastic arm place planar shaped have angle.
As further improvement of the utility model, described elastic arm is along extending perpendicular to plug-in card direction, preferentially contacts with described guidance part with electronic cards described in when the plug-in card.
As further improvement of the utility model, in described insulating body, also offer to accommodate the host cavity of described electronic cards, described terminal groove runs through up and down described insulating body and is connected with described host cavity.
As further improvement of the utility model, described elastic arm is tabular and is contained in described terminal groove, and described contact site tilts to protrude in described host cavity from described terminal groove.
As further improvement of the utility model, described insulating body comprises and is positioned at the diapire of described host cavity bottom and erects the sidewall around described diapire, and described host cavity is enclosed and formed by described diapire and described sidewall.
As further improvement of the utility model, described card connector also comprises the shielding casing covering in described insulating body outside, described shielding casing comprises base portion and bends the extension of extension from described base portion side downwards, on described extension, be provided with the shell fragment that tears moulding, described shell fragment comprises the kink of V-shaped setting.
As further improvement of the utility model, on described insulating body sidewall, corresponding depression has the groove of accommodating described shell fragment, and described groove is connected with described host cavity, supports mutually with described electronic cards so that described kink protrudes in described host cavity.
As further improvement of the utility model, on described extension, also offer some draw-in grooves, described draw-in groove is U-shaped setting.
As further improvement of the utility model, correspondingly on described insulating body sidewall convex with U-shaped projection, described projection holds and is contained in described draw-in groove, to limit described insulating body and described shielding casing is subjected to displacement.
Compared with prior art, advantage of the present utility model is: card connector of the present utility model is set to be extended in described terminal groove to the dual-side of terminal groove by contact site by guidance part on the one hand, and the lower surface of described guidance part does not exceed described terminal groove, thereby in the time of plug-in card, can avoid kneeling the generation of Pin phenomenon; On the other hand, be set to be positioned at the top in the middle of described terminal groove by described contact site, in the horizontal direction simultaneously, line between initial contact point and the summit of described contact site that electronic cards contacts first with described guidance part and the direction of insertion of electronic cards are not parallel, thereby in the time of plug-in card, can avoid contact site and pcb board generation freely-supported, and then guarantee that plug-in card is smooth and easy.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of card connector of the present utility model.
Fig. 2 is the exploded view of card connector shown in Fig. 1.
Fig. 3 is the stereogram of insulating body shown in Fig. 2.
Fig. 4 is the vertical view of conducting terminal shown in Fig. 2.
Fig. 5 is the end view of conducting terminal shown in Fig. 4.
Fig. 6 is the end view of the contact site of conducting terminal shown in Fig. 4.
Fig. 7 is the stereogram of shielding casing shown in Fig. 2.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figures 1 and 2, card connector 100 of the present utility model is in order to the electronic cards of pegging graft (being SIM card in the present embodiment).Described card connector 100 comprises insulating body 10, is installed on the some conducting terminals 20 in described insulating body 10 and covers the shielding casing 30 in described insulating body 10 outsides.
As Fig. 3 and in conjunction with as shown in Fig. 2, in described insulating body 10, offer to accommodate the host cavity 11 of described electronic cards and in order to accommodate the terminal groove 12 of described conducting terminal 20, described terminal groove 12 runs through up and down described insulating body 10 and is connected with described host cavity 11, docks and reaches electric connection thereby be convenient to described electronic cards with described conducting terminal 20.Described insulating body 10 comprises and is positioned at the diapire 13 of described host cavity 11 bottoms and erects the sidewall 14 around described diapire 13, and described host cavity 11 is enclosed and formed by described diapire 13 and described sidewall 14.In present embodiment, described sidewall 14 is 3, and a wherein side of described diapire 13 is not provided with described sidewall 14, so that form the socket 40 that power supply subcard inserts.
Described terminal groove 12 is opened on described diapire 13.On the sidewall 14 of described insulating body 10, cave in along the thickness direction of described card connector 100 fluted 141, and described groove 141 is connected with described host cavity 11.In the outside wall surface of two described sidewalls 14 that are oppositely arranged, convex with respectively some U-shaped projections 142, in present embodiment, in the outside wall surface of each described sidewall 14, be provided with three projections 142, and described three projections 142 are uniformly-spaced divided in the outside wall surface of described sidewall 14; And in other embodiments, the quantity of described projection 142 and desired location all can arrange according to actual needs, will not limit in this.
On one of them sidewall 14 of described insulating body 10, also projection has a cylindrical projection 15, and described projection 15 is on the described sidewall 14 being positioned at away from described socket 40 1 sides.
As Fig. 4 to Fig. 6 and in conjunction with as shown in Fig. 2, described conducting terminal 20 comprises the elastic arm 22 that is contained in described terminal groove 12, extends described terminal groove 12 from described elastic arm 22 one end with the contact site 21 contacting with electronic cards and the weld part 23 that extends beyond described insulating body 10 from described elastic arm 22 other ends.Described elastic arm 22 is tabular and is contained in described terminal groove 12, and described contact site 21 tilts to protrude in described host cavity 11 from described terminal groove 12.
Described conducting terminal 20 also comprises the guidance part 24 that connects described contact site 21 and described elastic arm 22.Described contact site 21 is positioned at the top in the middle of described terminal groove 12, and described guidance part 24 is extended in described terminal groove 12 to the dual-side of described terminal groove 12 by described contact site 21, and the lower surface of described guidance part 24 does not exceed described terminal groove 12.Thereby in the time of plug-in card, electronic cards can not touch the lower surface of described guidance part 24, and then can prevent that electronic cards from driving described conducting terminal 20 to rock in the interior front and back of described terminal groove 12 under the effect of contact engaging and separating force, also can prevent that described conducting terminal 20 from deforming under the effect of electronic cards contact engaging and separating force, can avoid kneeling the generation of Pin phenomenon that is: simultaneously.
Described contact site 21 is roughly hemispherical, and the planar shaped at the lower surface of described contact site 21 and described elastic arm 22 places has angle, thereby from the side, described contact site 21 is perk slightly upwards.Described elastic arm 22 is along extending perpendicular to plug-in card direction, preferentially contacts with described guidance part 24 with electronic cards when the plug-in card.
During by plug-in card, the contact point first of electronic cards and described guidance part 24 is defined as initial contact point b, and the summit of described contact site 21 is defined as to bulb summit c.In the time of plug-in card, described initial contact point b is positioned at the rear side of described bulb summit c, and in the horizontal direction, line between described initial contact point b and described bulb summit c and the direction of insertion of electronic cards are not parallel, along with the insertion of electronic cards, electronic cards can move to described bulb summit c gradually from described initial contact point b, so that described contact site 21 is fully pressed down, realizes and being electrically connected.And because the lower surface of described contact site 21 and the planar shaped at described elastic arm 22 places have angle, in the time of plug-in card, described contact site 21 can not interfere with pcb board and cause card not to be in place just to abut to pcb board, avoided the generation of freely-supported phenomenon, and plug-in card is smooth.
As Fig. 7 and in conjunction with as shown in Fig. 2 to Fig. 6, described shielding casing 30 comprises base portion 31 and bends the extension 32 of extension from described base portion 31 sides downwards.Described base portion 31 is tabular, and on described base portion 31, the position of corresponding described projection 15 is provided with the perforation 311 stretching out for described projection 15, protrude in described perforation 311 by described projection 15, can limit described insulating body 10 and be subjected to displacement in the direction of all around with described shielding casing 30.
On described extension 32, be provided with the shell fragment 33 that tears moulding, described shell fragment 33 comprises flat part 331 and the kink 332 from the V-shaped bending of end of described flat part 331.In the time that described insulating body 10 coordinates with described shielding casing 30 assemblings, described shell fragment 33 is contained in described groove 141, simultaneously described kink 332, to support mutually with described electronic cards in described groove 141 protrudes into described host cavity 11, and then can limit described electronic cards at the interior double swerve of described host cavity 11.On described extension 32, also offer some draw-in grooves 34, these some draw-in grooves 34 are U-shaped setting, thereby described projection 142 can hold and be contained in described draw-in groove 34, and then limit described insulating body 10 and described shielding casing 30 and be subjected to displacement on upper and lower, left and right directions.
In sum, card connector 100 of the present utility model is set to not exceed described terminal groove 12 by the lower surface of described guidance part 24 on the one hand, thereby in the time of plug-in card, can avoid kneeling the generation of Pin phenomenon; On the other hand, by described contact site 21 being set to be positioned at the top in the middle of described terminal groove 12, in the horizontal direction simultaneously, line between described initial contact point b and described bulb summit c and the direction of insertion of electronic cards are not parallel, thereby in the time of plug-in card, can avoid described contact site 21 and pcb board generation freely-supported, and then guarantee that plug-in card is smooth and easy.
Above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not depart from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. a card connector, comprise insulating body and be installed on the conducting terminal in described insulating body, described insulating body is provided with terminal groove, described conducting terminal is provided with the elastic arm being contained in described terminal groove, stretch out described terminal groove with the contact site contacting with electronic cards and the guidance part that is connected described contact site and described elastic arm, it is characterized in that: the top of described contact site in the middle of described terminal groove, described guidance part is extended in described terminal groove to the dual-side of described terminal groove by described contact site, and the lower surface of described guidance part does not exceed described terminal groove, in the horizontal direction, line between initial contact point and the summit of described contact site that electronic cards contacts first with described guidance part and the direction of insertion of electronic cards are not parallel.
2. card connector according to claim 1, is characterized in that: the lower surface of described contact site and described elastic arm place planar shaped have angle.
3. card connector according to claim 1, is characterized in that: described elastic arm is along extending perpendicular to plug-in card direction, preferentially contacts with described guidance part with electronic cards described in when the plug-in card.
4. card connector according to claim 1, is characterized in that: in described insulating body, also offer to accommodate the host cavity of described electronic cards, described terminal groove runs through up and down described insulating body and is connected with described host cavity.
5. card connector according to claim 4, is characterized in that: described elastic arm is tabular and is contained in described terminal groove, and described contact site tilts to protrude in described host cavity from described terminal groove.
6. card connector according to claim 4, is characterized in that: described insulating body comprises and be positioned at the diapire of described host cavity bottom and erect the sidewall around described diapire, and described host cavity is enclosed and formed by described diapire and described sidewall.
7. card connector according to claim 6, it is characterized in that: described card connector also comprises the shielding casing covering in described insulating body outside, described shielding casing comprises base portion and bends the extension of extension from described base portion side downwards, on described extension, be provided with the shell fragment that tears moulding, described shell fragment comprises the kink of V-shaped setting.
8. card connector according to claim 7, it is characterized in that: on described insulating body sidewall, corresponding depression has the groove of accommodating described shell fragment, described groove is connected with described host cavity, supports mutually with described electronic cards so that described kink protrudes in described host cavity.
9. card connector according to claim 7, is characterized in that: on described extension, also offer some draw-in grooves, described draw-in groove is U-shaped setting.
10. card connector according to claim 9, is characterized in that: correspondingly on described insulating body sidewall convex with U-shaped projection, described projection holds and is contained in described draw-in groove, to limit described insulating body and described shielding casing is subjected to displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024179.XU CN203690560U (en) | 2014-01-15 | 2014-01-15 | Card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024179.XU CN203690560U (en) | 2014-01-15 | 2014-01-15 | Card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690560U true CN203690560U (en) | 2014-07-02 |
Family
ID=51012429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420024179.XU Expired - Lifetime CN203690560U (en) | 2014-01-15 | 2014-01-15 | Card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746209A (en) * | 2014-01-15 | 2014-04-23 | 昆山嘉华电子有限公司 | Card connector |
-
2014
- 2014-01-15 CN CN201420024179.XU patent/CN203690560U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746209A (en) * | 2014-01-15 | 2014-04-23 | 昆山嘉华电子有限公司 | Card connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |