CN2800556Y

CN2800556Y - Card connector

Info

Publication number: CN2800556Y
Application number: CN 200520071599
Authority: CN
Inventors: 丁建仁; 郭明伦
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2005-05-10
Filing date: 2005-05-10
Publication date: 2006-07-26
Anticipated expiration: 2015-05-10

Abstract

The utility model relates to a card connector which comprises an insulating body, conductive terminals and a shielding shell body, wherein the conductive terminals are arranged in the insulating body; the shielding shell body is arranged on the insulating body and forms one card containing space with a card inserting port together with the insulating body; simultaneously, one card inserting direction is defined. The shielding shell body comprises one front part for shielding the insulating body and a back part which extends from the front part near the card inserting port; the size of the back part of the transverse direction which is perpendicular to the card inserting direction is larger than the size of the front part. The insulating body is provided with a base part and a support arm extending backwards from both sides of the base part, wherein the support arm is provided with a blocking part convexly extending into the card containing space on the upper surface of the tail end of the containing space with the insertion of the support arm; the blocking part is used for preventing the erroneous insertion of the card; in this way, the utility model avoids the damage of the card connector caused by the erroneous insertion of the card.

Description

Card connector

[technical field]

The utility model relates to a kind of card connector, refer in particular to a kind of can prevent card misplug into electronic card coupler.

[background technology]

The PC card is a kind of in order to the electronic cards to computer and other communication and electronic equipment interpolation such as expanding units such as internal memory, network and wireless telecommunications, and nearly all notebook computer side is equipped with pc card slot to be used for peripheral functions such as Extended RAM or network.PCMCIA (Personal Computer Memory CardInternational Association-PCMCIA (personal computer memory card international association)) has announced a kind of new standard of PC card, i.e. Express Card again in 2003 ends.The PC card of this Express Card standard has two kinds of external forms, and a kind of is the L type, and another kind is a rectangle, and the width of rectangle PC card is identical with the minimum widith of L type PC card.Along with the appearance of Express Card, the card connector that is used for Express Card standard also is born thereupon.

Some the existing card connectors that can accommodate L type Express Card or rectangle Express Card, it comprises insulating body and is coated on shielding casing on the insulating body, shielding casing and insulating body have defined a card receiving space, behind the correct insertion card receiving space of L type Express Card or rectangle Express Card, just electrically contact to transmit signal with conducting terminal; Yet, after L type Express Card or rectangle Express Card insert the card receiving space in the mode of mistake,, thereby cause electronic cards can to contact with conducting terminal and then card connector be caused damage equally because this card connector does not have misplug prevention device.

For fear of the problems referred to above, the utility model proposes a kind of new card connector to compensate its defect.

[utility model content]

The purpose of this utility model is to provide a kind of card connector with misplug prevention device, and this card connector can effectively prevent mispluging of card.

The purpose of this utility model is achieved through the following technical solutions: a kind of card connector, it comprises insulating body, conducting terminal, shielding casing, conducting terminal is contained in the insulating body, shielding casing is located on the insulating body, itself and insulating body form the card receiving space with card insert opening jointly, and defined a card insertion direction, shielding casing comprises a rear portion of covering the anterior of insulating body and extending close card insert opening from the front portion, along the vertical card direction of insertion transversely, the size at rear portion is greater than the size of front portion, the support arm that described insulating body is provided with base portion and extends back from the base portion both sides, this support arm is provided with the blocking part that protrudes into the card receiving space in the upper surface of the end that extends into receiving space, this blocking part in order to prevent card misplug into.

Compared with prior art, the utility model card connector be provided with the blocking part in order to effectively prevent card misplug into, like this with regard to having avoided since card misplug into and infringement that card connector is caused.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model card connector and the rectangle Express Card that accommodates thereof.

Fig. 2 is the three-dimensional combination figure of the utility model card connector and the L type Express Card that accommodates thereof.

Fig. 3 is the three-dimensional combination figure that insulating body and the Express Card of the utility model card connector correctly docks.

Fig. 4 is the three-dimensional combination figure of the utility model card connector.

Fig. 5 is the three-dimensional combination figure at another visual angle of the utility model card connector.

Fig. 6 is the three-dimensional combination figure that the insulating body of the utility model card connector docks with Express Card mistake.

[embodiment]

See also Fig. 1 to shown in Figure 5, the utility model card connector comprises insulating body 1, ground strip 2, be covered in shielding casing 3, the trip mechanism 4 on the insulating body 1 and be contained in conducting terminal 5 in the insulating body 1, wherein the ground strip 2 relative both sides that are contained in insulating body 1 contact with shielding casing 3, and trip mechanism 4 is arranged at a side of shielding casing 3.

See also Fig. 3 to shown in Figure 5, shielding casing 3 is coated on the insulating body 1, and it has defined a card insertion direction and card receiving space 6 with card insert opening 61 of common formation.Insulating body 1 comprise base portion 11 and from base portion 11 both sides extend back about two support arms 12, wherein insulating body 1 also is provided with a tongue piece (not shown), this tongue piece extends back and between two support arms 12 from base portion 11, which is provided with some conducting terminal accepting grooves 13 that communicate with insulating body 1, be used to accommodate conducting terminal 5.Support arm 12 inboards form guide channels (not shown) and oppositely form a blocking part 14 in the upper surface place of an end of extension along card insertion direction, this blocking part 14 is to protrude out in the card receiving space 6 along being approximately perpendicular to card insertion direction, be used to prevent mispluging of card, its distance definition that protrudes into card receiving space 6 is d1.

Conducting terminal 5 comprises contact site 51, weld part 52 and is connected the connecting portion (not shown) of contact site 51 and weld part 52, wherein contact site 51 is contained in the accepting groove 13 of tongue piece, be used for contacting with electronic cards, weld part 52 extends from the other end of insulating body 1, be used for and circuit board (not shown) welding, connecting portion 53 is contained in described by in the accepting groove 13 of base portion 11, is used to connect contact site 51 and weld part 52.

Ground strip 2 is arranged in the slit 122 in support arm 12 outsides of being located at insulating body 1 both sides, this ground strip 2 comprises contact site 21 and the weld part 22 that outwards is bent to form from contact site 21, wherein contact site 21 is contained in the slit 122 of insulating body 1, weld part 22 extends from accepting groove 122, is used for contacting with circuit board (not shown).

Shielding casing 3 is covered on the insulating body 1 and contacts with ground strip 2.This shielding casing 3 roughly is the L type, it comprises the side arm 32 that extend a main part 31 and autonomous body 31 both sides downwards, in the present embodiment, along a side arm 32 of card insertion direction structure linearly roughly, another side arm 32 relative with this side arm 32 forms a stage portion 33 in the front end place of coated insulation body 1, makes shielding casing 3 near the width of the rear end of the card insert openings width greater than the front end place of shielding casing 3 coated insulation bodies 1 like this.Side arm 32 is bent to form a guidance part 34 in the one end to the card receiving space, and in forming lug 35 on several on the guidance part 34.Form the following lug 36 relative with lug 35 near main part 31 and side arm 32 joints, wherein

lug

35,36 is common up and down limits the mobile of card.The utility model card connector also comprises a guide member 8 and a pair of bracing or strutting arrangement 7, and wherein guide member 8 is arranged at stage portion 33 places of shielding casing 3, and it comprises plate body 81 and the vertical wall 82 that vertically extends from plate body 81.A pair of bracing or strutting arrangement 7 is arranged at the sidewall 32 of shielding casing 3 near card insert opening 61 places, is used for joining with circuit board, and one of them bracing or strutting arrangement 7 is provided with a holding parts 71.

Trip mechanism 4 is arranged at roughly sidewall 32 places of shape structure linearly of shielding casing 3, and it comprises spring 41, is provided with the guide bracket 42 of heart type guide rail 420, reciprocating sliding part 43, trace 44 and moves back kelly 45.One end of spring 41 is immobilizated on the holding parts 71 of bracing or strutting arrangement 7, the other end is immobilizated on the sliding part 43, guide bracket 42 is fixed on the sidewall 32 of shielding casing 3, sliding part 43 can move in the heart-shaped groove 420 of guide bracket 42, thereby driving trace 44 seesaws along card insertion direction, moving back kelly 45 is set up on the breach 37 of shielding casing 3 both sides, and be positioned at 1 of shielding casing 3 and insulating body, the one end links to each other with trace 44, drive and move back card by trace 44, as for moving back the card principle, by industry is known technology, so, be not repeated at this.

This card connector can be used for accommodating a kind of L type Express Card or rectangle Express Card, because two kinds of Express Card have identical structure with the part that the insulating body 1 of card connector docks, thus below only describe with rectangle Express Card.

See also Fig. 3 and shown in Figure 6, Express Card upside is provided with a fin 10, the both sides of this fin 10 are d2 with the distance of both side edges of card respectively, Express Card downside protrudes a lug 9, the both side edges of this lug 9 is d3 with the both side edges distance of blocking respectively, its middle distance d2 is not less than apart from d1, apart from d3 less than d1.When electronic cards was correctly inserted, as shown in Figure 3, owing to be not less than apart from d1 apart from d2, so the blocking part 14 of insulating body 1 can be not inconsistent with fin 10, thereby electronic cards electrically contacted with the contact site 51 of conducting terminal 5 with regard to inserting smoothly; When the insertion of electronic cards mistake, as shown in Figure 6, owing to less than d1,, so just avoided mispluging owing to electronic cards into the infringement that causes card connector so the blocking part 14 of insulating body 1 is just inconsistent to stop the continuation insertion of electronic cards with the lug 9 of card apart from d3.

Claims

1. card connector, it comprises insulating body, conducting terminal, shielding casing, conducting terminal is contained in the insulating body, shielding casing is located on the insulating body, itself and insulating body form the card receiving space with card insert opening jointly, and defined a card insertion direction, shielding casing comprises a rear portion of covering the anterior of insulating body and extending close card insert opening from the front portion, along the vertical card direction of insertion transversely, the size at rear portion is greater than the size of front portion, it is characterized in that: the support arm that described insulating body is provided with base portion and extends back from the base portion both sides, this support arm is provided with the blocking part that protrudes into the card receiving space in the upper surface of the end that extends into receiving space, this blocking part in order to prevent card misplug into.

2. card connector as claimed in claim 1, it is characterized in that: described shielding casing roughly becomes the L type, the sidewall that it comprises main part and extends downwards along the autonomous body of card insertion direction both sides, one of them sidewall is structure linearly roughly, another sidewall relative with it forms stage portion near the insulating body place, like this along the size of the close card insert opening of the shielding casing transversely size greater than insulating body.

3. card connector as claimed in claim 2 is characterized in that: the further guide member of described card connector, this guide member are located at described stage portion place.

4. card connector as claimed in claim 1 is characterized in that: described blocking part is along protruding into described card receiving space perpendicular to card insertion direction in described support arm.

5. card connector as claimed in claim 1 is characterized in that: being arranged with when it that described card connector is accommodated misplugs the lug of fashionable and described blocking part butt.

6. card connector as claimed in claim 1 is characterized in that: described shielding casing comprises the side arm that extend main part and autonomous body both sides downwards, is formed with lug down near main part and side arm joint.

7. card connector as claimed in claim 6 is characterized in that: described side arm one end is provided with the guidance part to the bending of card receiving space, and this guidance part is provided with the last lug corresponding to following lug.

8. card connector as claimed in claim 1 is characterized in that: described card connector further comprises ground strip.

9. card connector as claimed in claim 1 is characterized in that: described card connector further comprises trip mechanism.