TWI618303B - Electrical card connector having improved terminals - Google Patents

Abstract

The present invention discloses an electronic card connector including an insulative housing, a conductive terminal held on the insulative housing, and a shielding housing covering the insulative housing to form a receiving space, the conductive terminal including the fixing terminal a fixing portion of the insulative housing, a soldering portion extending along one side of the fixing portion, an elastic portion extending along the other side of the fixing portion and being upwardly lifted, and a top portion of the elastic portion for contacting the electronic card a contact portion, the contact portion edge is provided with a flange structure that is turned down to form a circular arc surface, and a width of a portion of the flange structure away from the contact portion is not less than a portion of the flange structure close to the contact portion The width. When the electronic card is inserted and removed, it contacts the flange structure having a circular arc surface and slides over the flange structure, so that the conductive terminal is not bent and functions to protect the conductive terminal.

Description

Electronic card connector

The present invention relates to an electronic card connector, and more particularly to an electronic card connector that prevents the problem of scratching the conductive terminals of the card holder.

The Chinese Patent Laid-Open Publication No. CN104505623A discloses a card connector including an insulative housing provided with a main board, a plurality of terminals fixed to the main board of the insulative housing, and a metal housing covered on the insulative housing. The insulative housing and the metal housing are disposed together to form a receiving space, the main board is provided with an upper surface facing the receiving space, and the terminal comprises a fixing portion fixed to the insulating body and connected to the fixing portion. An elastic piece elastically deformable in a thickness direction of the card connector, a contact portion connected to the elastic piece and laterally protruding into the receiving space for contacting the electronic card, and a welding portion extending along the fixing portion to the insulating body The elastic piece defines a front end point and a rear end point, and the front end point and the rear end point of the same terminal are respectively located at the front end and the rear end of the contact portion in the insertion and removal direction. The SIM Connector clip card in the previous case (a form of non-standard SIM Card cut into a Nano SIM Card) test is difficult to ensure that the cut Nano SIM Card has a suitable shape and size due to manual processing by the user. In the middle of the ordinary card holder, the problem of scratching the conductive terminal of the card seat due to the irregularity of the card cutting is often occurred.

The Chinese Patent Application Publication No. CN204947134U discloses a card connector comprising an insulative housing, a plurality of conductive terminals held in the insulating body, and a portion partially covering the insulating body and forming a receiving cavity with the insulating body. The first conductive terminal includes a first holding portion that is retained in the insulating body, a first soldering portion extending from one end of the first holding portion, and a first conductive terminal a first elastic contact portion extending from the other end of the first holding portion, the first elastic contact portion includes a bent portion having an inverted "V" shape, and the free end of the first elastic contact portion is " a T-shaped support portion, the card connector further comprising a gasket retained on the insulative housing, wherein the support portion is flushed from the spacer to form and support the support on the spacer a portion of the "T" shaped opening that is coincident with the two extensions on either side of the opening, the support portion sliding over the extension when pressed. The bent portion and the supporting portion of the first elastic contact portion are likely to collapse when the electronic card is in contact with each other, thereby causing a problem that the conductive terminal is scratched.

Therefore, it is indeed necessary to provide a card connector that can overcome the above disadvantages to prevent the bending of the conductive terminals.

It is an object of the present invention to provide an electronic card connector that can realize a bending-proof conductive terminal.

The object of the present invention is achieved by the following technical solution: an electronic card connector comprising: an insulative housing, a conductive terminal held on the insulative housing, and a shielding shell covering the insulative housing to form a receiving space, The conductive terminal includes a fixing portion fixed to the insulating body, a welded portion extending along one side of the fixing portion, an elastic portion extending along the other side of the fixing portion and being upwardly lifted, and being disposed on the elastic portion a top portion for contacting a contact portion of the electronic card, the contact portion having an edge The burring structure is formed to form a circular-faced cuff structure, and a width of a portion of the cuff structure away from the contact portion is not less than a width of a portion of the cuff structure close to the contact portion.

Further, the edge of the elastic portion is provided with a flange structure that is turned down to form a circular arc surface, and the contact portion and the elastic portion constitute an inverted "V"-shaped structure, and the flange portion structure of the elastic portion The cuff structure of the contact portion is integrally provided in a continuous shape.

Further, the conductive terminal includes a plurality of first conductive terminals symmetrically disposed in two rows of left and right, the fixing portion includes a first fixing portion held by the insulating body, and the elastic portion includes a first fixing portion along the first fixing portion a first elastic portion extending in the left-right direction and bent upward; the contact portion includes a first contact portion on the first elastic portion, and the first fixing portion, the first elastic portion, and the first contact portion are disposed And the first conductive terminal.

Further, the conductive terminal further includes a row of second conductive terminals, the fixing portion further includes a pair of second fixing portions, and the elastic portion further includes a second elasticity bent upward along the pair of second fixing portions a second elastic portion including a connecting portion extending at an angle between the second fixing portion and an elastic arm connected to the connecting portion and bent upward, and the connecting portion and the elastic arm are formed An acute angle, the contact portion further includes a second contact portion on the second elastic portion, and the second fixing portion, the second elastic portion and the second contact portion are disposed on the second conductive terminal.

Further, the electronic card connector further includes a drawer seat for loading the electronic card in the receiving space, the insulating body is provided with two receiving slots, and the electronic card connector further includes a holding in the receiving slot An arm having a resisting block for resisting the drawer seat.

Compared with the prior art, the present invention has the following beneficial effects: since the first contact portion and the second contact portion are provided with a flanged structure with a circular arc surface, when the electronic card is inserted and removed, the touch has an arc The flanged structure of the surface slides over the flange structure so that the conductive terminals are not bent, thereby protecting the conductive terminals.

100‧‧‧electronic card connector

1‧‧‧Insulating body

11‧‧‧ bottom wall

111‧‧‧Positioning column

112‧‧‧ Containment trough

12‧‧‧ side wall

121‧‧‧Bumps

2‧‧‧Electrical terminals

21‧‧‧First conductive terminal

211‧‧‧First Fixed Department

212‧‧‧First Elastic Department

213‧‧‧First contact

214‧‧‧First Welding Department

215‧‧‧First Flange Structure

22‧‧‧Second conductive terminal

221‧‧‧Second fixed department

222‧‧‧Second elastic department

2221‧‧‧Connecting Department

2222‧‧‧Flexible arm

223‧‧‧Second contact

224‧‧‧Second welding department

225‧‧‧second cuffed structure

3‧‧‧Fixed Arm

31‧‧‧Resistance block

4‧‧‧Retirement agency

41‧‧‧Put

411‧‧‧ gap

42‧‧‧Cam lever

421‧‧‧Positioning holes

5‧‧‧Shaded housing

50‧‧‧ accommodating space

51‧‧‧Top wall

511‧‧‧Fixed holes

52‧‧‧ Side wall

521‧‧‧Snap hole

6‧‧‧Drawer

7‧‧‧Detection terminal

The first figure is a perspective assembled view of the electronic card connector of the present invention.

The second figure is a perspective assembled view of the drawer of the present invention when the electronic card connector is not inserted.

The third figure is an exploded perspective view of the electronic card connector of the present invention.

The fourth figure is an exploded perspective view of the shielded housing of the electronic card connector of the present invention not mounted to the insulative housing.

The fifth figure is an exploded perspective view of the drawer seat mounted to the insulative housing shown in the fourth figure.

Figure 6 is a perspective assembled view of the insulative housing and terminal of the electronic card connector of the present invention.

Figure 7 is a perspective enlarged view of a conductive terminal in the electronic card connector shown in the first figure.

The eighth figure is a perspective enlarged view of another conductive terminal in the electronic card connector shown in the first figure.

Referring to the first to eighth figures, the electronic card connector 100 of the present invention defines a front-rear direction and a left-right direction perpendicular to the front-rear direction, and the electronic card connector 100 includes an insulative housing 1 and is fixed to the a plurality of conductive terminals 2 of the insulative housing 1 , a shielding case 5 covering the insulative housing 1 to form a receiving space 50 , and a drawer 6 for receiving an electronic card in the receiving space 50 a fixing arm 3 for engaging the drawer seat 6 on both sides of the insulative housing 1, a card ejecting mechanism 4 on one side of the insulative housing 1 and a front end of the insulative housing 1 for detecting whether the electronic card is correctly inserted Detection terminal 7.

Referring to the third to fifth figures together, the insulative housing 1 defines a bottom wall 11 and side walls 12 on both sides of the bottom wall 11. The front end of the bottom wall 11 is provided with a cylindrical positioning post 111 and an elongated receiving groove 112 on both sides. A plurality of bumps 121 are disposed on the sidewall 12 .

Referring to FIG. 3 to FIG. 8 together, the conductive terminal 2 is held by the insulating body 1 . The conductive terminal 2 includes a first conductive terminal 21 that is held by the insulative housing 1 . The first conductive terminals 21 are arranged in two rows of left and right, and are arranged in three rows. The first conductive terminal 21 includes a pair of first fixing portions 211 fixed to the insulative housing 1 , a first soldering portion 214 extending along a side of the first fixing portion 211 , and along the first fixing portion 211 . a first elastic portion 212 that extends on the other side and is lifted upward, and a first contact portion 213 that is provided at a top end of the first elastic portion 212. The first elastic portion 212 extends in the left-right direction along the first fixing portion 211 and is bent upward. The first elastic portion 212 and the first contact portion 213 form an inverted "V"-shaped structure, and the first contact portion 213 and the edge of the first elastic portion 212 are provided with a downward flange to form a circular arc surface. The first flanged structure 215. The width of the portion of the first flange structure 215 that is away from the contact portion is greater than the width of the portion of the first flange structure 215 that is close to the contact portion. When the first flange structure 215 is in contact with the electronic card, the electronic card is more in contact with the first conductive terminal without collapse. The first flange structure 215 of the first contact portion 213 and the first flange structure 215 of the first elastic portion 212 are integrally disposed in a continuous shape.

Referring to FIG. 3 to FIG. 8 together, the conductive terminal 2 further includes a row of second conductive terminals 22 held in the middle of the insulating body 1 . The second conductive terminal 22 includes a pair of second fixing portions 221 fixed to the insulative housing 1 and a second soldering portion 224 extending forward along the front second fixing portion 221 side. a second elastic portion 222 that is lifted up between the second fixing portions 221 and a second contact portion 223 that is provided at a distal end of the second elastic portion 222. The second elastic portion 222 includes a pair of connecting portions 2221 bent along the pair of second fixing portions 221 and a resilient arm 2222 that extends and is bent upward to connect the pair of connecting portions 2221. The connecting portion 2221 forms an acute angle with the elastic arm 2222. The second contact portion 223 and the elastic arm 2222 form an inverted "V"-like structure, and the second contact portion 223 and the edge of the elastic arm 2222 are provided with a second turn to form a circular arc surface. Edge structure 225. The width of the portion of the second cuff structure 225 that is away from the contact portion is equal to the width of the portion of the second cuff structure 225 that is adjacent to the contact portion. When the second flange structure 225 is in contact with the electronic card, the electronic card is more in contact with the second conductive terminal without collapse. The second flange structure 225 of the second contact portion 223 and the second flange structure 225 of the elastic arm 2222 are integrally disposed in a continuous shape.

Referring to the third to fifth figures, the fixing arm 3 is received in the receiving groove 112 on the left and right sides of the insulating body 1, and each of the fixing arms 3 is provided with a resisting block facing the middle. 31.

Referring to the first to fifth figures, the card ejecting mechanism 4 is located on the side of the insulative housing 1 for inserting or withdrawing the electronic card into the receiving space 50. The card ejecting mechanism 4 includes a push rod 41 on one side of the insulative housing 1 and a cam lever 42 connected to the push rod 41 and located at the front end of the insulative housing 1. A front end of the push rod 41 is provided with a notch 411, and the cam rod 42 is connected through the notch 411 so as to be integrated into one body. A positioning hole 421 is defined in the cam rod 42 . The positioning post 111 extends through the positioning hole 421 to fix the cam rod 42 to the insulative housing 1 .

Referring to the first to fifth figures, the shielding housing 5 covers the insulative housing 1 to form a receiving space 50. The shielding housing 5 defines a top wall 51 and is perpendicular to both sides of the top wall 51. A side wall 52 that extends downward. The shielding shell 5 includes a fixing hole 511 located in the top wall 51 and a locking hole 521 located in the side wall 52. The positioning post 111 is received in the fixing hole 511 through the positioning hole 421 , so that the shielding shell 5 , the card ejecting mechanism 4 and the insulative housing 1 are fixed. The latching hole 521 is received and held against the bump 121 to further fix the shielding shell 5 and the insulative housing 1 .

Referring to the third to fifth figures, the detecting terminal 7 is fixed to the front end of the insulative housing 1 for detecting whether the electronic card is inserted into the correct position.

Referring to the first figure, the drawer 6 is used for loading an electronic card and is received in the receiving space 50 such that the electronic card is in electrical contact with the conductive terminal 2 . The first conductive terminal 21 is provided with a first flange structure 215 having a circular arc surface, and the second conductive terminal 22 is provided with a second flange structure 225 having a circular arc surface. When the electronic card is inserted and removed, Touching the first flange structure 215 and the second flange structure 225 having a circular arc surface, and sliding over the first flange structure 215 and the second flange structure 225, thereby avoiding bending and bending the conductive terminals, It acts to protect the conductive terminals.

The above are only some of the embodiments of the present invention, and not all of the embodiments, and any equivalent changes taken by those skilled in the art to the technical solutions of the present invention are covered by the claims of the present invention. .

Claims (5)

An electronic card connector includes: an insulative housing; a conductive terminal held on the insulative housing; and a shielding housing covering the insulative housing to form a receiving space, wherein the conductive terminal comprises a fixing body a fixing portion, a welded portion extending along one side of the fixing portion, an elastic portion extending along the other side of the fixing portion and tilted upward, and a contact portion provided at a top end of the elastic portion for contacting the electronic card, Wherein the edge of the contact portion is provided with a flanged structure which is turned down to form a circular arc surface, and a width of a portion of the flange structure away from the contact portion is not less than a width of a portion of the flange structure close to the contact portion . The electronic card connector of claim 1, wherein the edge of the elastic portion is provided with a flanged structure that is turned down to form a circular arc surface, and the contact portion and the elastic portion constitute an inverted "V" In the "like structure", the flanged structure of the elastic portion and the flanged structure of the contact portion are integrally provided in a continuous shape. The electronic card connector of claim 2, wherein the conductive terminal comprises a plurality of first conductive terminals disposed symmetrically in two rows, the fixing portion includes a first fixing portion held on the insulating body. The elastic portion includes a first elastic portion that extends in the left-right direction and is bent upward along the first fixing portion, and the contact portion includes a first contact portion on the first elastic portion, the first portion A fixing portion, a first elastic portion and a first contact portion are provided on the first conductive terminal. The electronic card connector of claim 2, wherein the conductive terminal further comprises a row of second conductive terminals, the fixing portion further comprising a pair of second fixing portions, the elastic portion further comprising a second elastic portion that is bent upwardly by the pair of second fixing portions, and the second elastic portion includes a connecting portion and a connection extending at an angle along the second fixing portion a resilient arm that is bent upwardly at the connecting portion, an acute angle is formed between the connecting portion and the elastic arm, and the contact portion further includes a second contact portion on the second elastic portion, The second fixing portion, the second elastic portion and the second contact portion are provided on the second conductive terminal. The electronic card connector of claim 1, wherein the electronic card connector further comprises a drawer seat for loading the electronic card in the receiving space, the insulating body is provided with two receiving slots, The electronic card connector further includes a holding arm located in the receiving slot, the holding arm having a resisting block for resisting the drawer seat.