TWI460665B - Electrical card connector - Google Patents

Description

Electronic card connector

The present invention relates to an electronic card connector, and more particularly to an electronic card connector having a card ejecting mechanism.

With the rapid development of consumer electronic products such as mobile phones and digital cameras, especially under the premise of the rapid expansion of the functions of various electronic products, the storage capacity of these devices cannot meet the needs of consumers. Therefore, an electronic manufacturer adds an electronic card connector to an electronic device to connect an external memory card medium to expand the storage capacity of the electronic device. The signal connection between the electronic card and the printed circuit board in the electronic device is realized by an electronic card connector mounted on the electronic device. Conventional electronic card connectors are generally provided with a card ejecting mechanism to facilitate the withdrawal of the inserted electronic card. However, in the process of withdrawing the card, if the corresponding structure is not provided to provide friction or resistance to the electronic card, the electronic card is likely to fly out.

Please refer to the electronic card connector disclosed in Chinese Patent Application No. 200710146697.3 to solve the above problem. The card ejecting mechanism of the electronic card connector includes a slider, and the slider holds a metal dome. The metal dome can be buckled in the groove of the side edge of the electronic card when the electronic card is inserted, which can generate frictional resistance and reduce the speed of the electronic card exiting to prevent the flying card. However, the electronic card connector requires an additional metal dome and an assembly process, thereby increasing the cost; and with the repeated insertion and removal of the electronic card, the metal dome is prone to permanent deformation and cannot properly lock the electronic card; Place Some electronic cards have corresponding groove designs, and the application of metal domes is limited.

Therefore, in view of the above problems, it is necessary to redesign a new type of electronic card connector to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide an electronic card connector for a fly-proof card.

In order to solve the above technical problem, the electronic card connector of the present invention may adopt the following technical solution: an electronic card connector for accommodating an electronic card, the electronic card connector comprising an insulating body and a conductive terminal held on the insulating body, The insulative housing has a front wall and a slot disposed on a side of the front wall; the conductive terminal has a contact portion extending into the slot; the electronic card connector is further provided with a card ejecting mechanism mounted on one side of the slot The moving path of the card ejecting mechanism is inclined to the direction in which the electronic card is inserted/exited.

Compared with the prior art, the electronic card connector of the present invention has the following effects: the card withdrawal path of the card ejecting mechanism is inclined to the direction in which the electronic card is withdrawn, and the slider applies the elapsed direction of the electronic card to the electronic card when the electronic card is withdrawn. The force and the component force perpendicular to the exit direction of the electronic card, thereby enhancing the holding of the electronic card and reducing the force of exiting the electronic card, thereby preventing the flying card, and the electronic card connector has a simple structure and low cost.

In order to solve the above technical problem, the electronic card connector of the present invention may also adopt the following technical solution: an electronic card connector comprising an insulative housing, a plurality of conductive terminals and a card ejecting mechanism, the insulative housing comprising a bottom wall and a bottom wall a front wall protruding upwardly from one side, a first side wall and a second side wall respectively protruding upward from two sides of the bottom wall, wherein the bottom wall, the front wall, the first side wall and the second side wall enclose a slot The second sidewall forms a receiving cavity that communicates with the slot; the conductive terminal is retained on the front wall and extends into the slot The contact portion is arranged in the first direction in the slot; the card ejecting mechanism is received in the accommodating cavity and is provided with a pushing portion protruding into the slot and movable in the slot The moving direction of the pushing portion in the slot is set at an acute angle with the first direction.

Compared with the prior art, the electronic card connector of the present invention has the following effects: the moving direction of the pushing portion in the slot is set at an acute angle with the first direction, and when the electronic card is exited, the slider applies the electronic card to exit along the electronic card. The component of the direction and the component of force perpendicular to the exit direction of the electronic card enhance the holding of the electronic card and reduce the force of exiting the electronic card, thereby preventing the flying card, and the electronic card connector has a simple structure and low cost.

100‧‧‧electronic card connector

200‧‧‧electronic card

1‧‧‧Insulating body

11‧‧‧ bottom wall

111‧‧‧Bumps

112‧‧‧ slotting

12‧‧‧First side wall

121‧‧‧ escape hole

122‧‧‧Positioning holes

13‧‧‧Second side wall

131‧‧‧Second holding trough

14‧‧‧ front wall

141‧‧‧First storage trough

15‧‧‧Slot

151‧‧‧ insertion port

16‧‧‧ bumps

17‧‧‧容容

171‧‧‧extend the bottom wall

172‧‧‧Guide Department

173‧‧‧Limited

174‧‧‧ inner front wall

175‧‧‧ inner side wall

1751‧‧‧ vertical section

1752‧‧‧sloping section

176‧‧‧ Inside the back wall

177‧‧‧First positioning column

2‧‧‧Electrical terminals

21‧‧‧ Holding Department

22‧‧‧Weld Department

23‧‧‧Flexible arm

231‧‧‧Contacts

3‧‧‧Retirement agency

31‧‧‧ Slider

311‧‧‧heart slot

312‧‧‧Pushing Department

3121‧‧‧Top push

313‧‧‧Second positioning column

314‧‧‧guide slot

315‧‧‧ Department of Maintenance

32‧‧‧guides

33‧‧‧ Spring

4‧‧‧Switch terminals

41‧‧‧First terminal

411‧‧‧ first contradiction

42‧‧‧second terminal

421‧‧‧Second contradiction

43‧‧‧ Third terminal

431‧‧‧ Third Interference Department

432‧‧‧fourth contradiction

5‧‧‧Shaded housing

51‧‧‧ Flat section

52‧‧‧ side

521‧‧‧holding holes

522‧‧‧ window

F1‧‧‧ first component

F2‧‧‧Second force

The first drawing is a perspective view of the electronic card connector of the present invention; the second drawing is a partial exploded perspective view of the first figure, wherein the shielding case is exploded; the third drawing is an exploded perspective view of the first figure; 3 is an exploded perspective view of the electronic card connector of the present invention, wherein the shielding housing is not shown; the sixth drawing is not fully inserted into the fifth drawing. A top view of the electronic card connector; the seventh figure is a top view of the electronic card that is continuously inserted into the sixth figure to the fully inserted; and the eighth figure is a top view of the electronic card of the seventh figure during the exit process.

The specific embodiment of the electronic card connector of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to the first, second and sixth figures, the electronic card connector 100 of the present invention is used for plugging the electronic card 200, and the electronic card connector 100 includes an insulating body 1. The conductive terminal 2 of the insulative housing 2, the card ejecting mechanism 3 assembled to the insulative housing 1 , the switch terminal 4 held by the insulative housing, and the shielding case 5 covering the insulative housing 1 .

Referring to FIG. 1 to FIG. 5 , the insulative housing 1 is substantially square, and includes a bottom wall 11 , a first sidewall 12 and a second sidewall 13 extending upward from opposite sides of the bottom wall 11 , and the bottom wall 11 . The front wall 14 having the front side extending upward (herein, the direction in which the electronic card 200 is inserted/exited is the front/rear direction, the front wall 14 is located on the front side of the bottom wall 11) and the slot 15 formed on the upper side of the bottom wall 11. The slot 15 is formed by a bottom wall 11 , a first side wall 12 , a second side wall 13 , and a front wall 14 . The slot 15 is disposed on the rear side of the front wall 14 , and the slot 15 is used for receiving an electronic card. An insertion port 151 into which the electronic card 200 is inserted is formed on the rear side of the bottom wall 11. The front wall 14 is provided with a first receiving groove 141 which is inserted through the front wall 14 and the front wall 14 is adjacent to the front wall 14 , and each of the protrusions 111 corresponds to a first receiving groove The 141 is provided with a slot 112. The second side wall 13 is provided with three second receiving grooves 131 extending forward and backward.

The conductive terminal 2 is received in the first receiving groove 141. The conductive terminal 2 includes a retaining portion 21 that is retained in the first receiving groove 141 , a welded portion 22 that extends forward from the retaining portion 21 beyond the front wall, and a resilient arm 23 that extends rearwardly from the retaining portion 21 into the slot 15 . The free end of the elastic arm 23 is received in the slot 112 of the protrusion 111, and the free end of the elastic arm 23 is bent with a contact portion 231 protruding into the slot 15. The contact portion 231 protrudes into the slot 15, and the contact portion 231 is arranged in the slot 15 in a defined first direction, that is, perpendicular to the direction in which the electronic card is inserted/exited. The switch terminal 4 is disposed in the second receiving slot 131 of the second sidewall 13 . The switch terminal 4 includes a first terminal 41, a second terminal 42, and a third terminal 43. The first terminal 41 is provided with a first abutting portion 411 protruding into the slot 15 , and the second terminal 42 is provided with a second abutting portion 421 protruding into the slot 15 , the third terminal 43 A third abutting portion 431 is disposed corresponding to the first abutting portion 411 and a fourth abutting portion 432 is disposed corresponding to the second abutting portion 421 . The first and second abutting portions are disposed in front and rear. After the electronic card is inserted, the first abutting portion 411 and the third abutting portion 431 are in contact with each other to implement an anti-writing function, and the second abutting portion 421 and the fourth abutting portion 432 are in conflict with each other. Detection function.

The shielding shell 5 is covered on the upper side of the bottom wall 11 , and the slot 15 is disposed between the bottom wall 11 and the shielding shell 5 . The shielding shell 5 includes a flat plate portion 51 and side portions 52 which are respectively bent downwardly from two sides of the flat plate portion 51. The side portions 52 are provided with a repeating holding hole 521, and the first side wall 12 and the first side wall The outer side of the two side walls 13 is correspondingly provided with a protrusion 16 that cooperates with the fastening hole 521. The side portion 52 that is fastened to the second side wall 13 opens the window 522 corresponding to the second receiving slot 131 to ensure that the switch terminal 4 has sufficient elastic space.

The first side wall 12 is provided with a receiving cavity 17 for receiving the card ejecting mechanism 3 , and the receiving cavity 17 is in communication with the slot 15 . The bottom side of the accommodating cavity 17 is an extended bottom wall 171 which is flush with the bottom wall 11 , and a guiding portion 172 and a limiting portion 173 are protruded from the boundary between the extending bottom wall 171 and the bottom wall 11 . The guiding portion 172 extends obliquely rearward from the front wall 14 in a rib shape, and the extending direction of the guiding portion 172 intersects with the direction in which the electronic card 200 is inserted/exited, and is disposed at an acute angle. The guide portion 172 extends forward to be cut off substantially less than half of the front-rear distance of the bottom wall 11. The limiting portion 173 extends forward from the insertion opening 151 and extends in a direction parallel to the insertion/exit of the electronic card. The limiting portion 173 extends forward from the insertion opening 151 for a short period, and the limiting portion 173 is spaced apart from the guiding portion 172. One side of the accommodating cavity 17 is provided with the above-mentioned guiding portion 172 and the limiting portion 173, and the other three sides are an inner front wall 174, an inner side wall 175 and an inner rear wall 176, respectively. The inner front wall 174 is formed on a side of the front wall 14 and extends in a direction perpendicular to the guiding portion 172. The inner front wall 174 protrudes rearwardly with a first positioning post 177, and the first positioning post 177 It extends parallel to the direction of the guiding portion 172. The inner side wall 175 is provided with a vertical section 1751 With the inclined section 1752. The vertical section 1751 extends from the inner front wall 174 a short section parallel to the insertion/exit direction of the electronic card, and the inclined section 1752 extends in a direction parallel to the guide 172 to the inner rear wall 176. Therefore, as shown in the fifth figure, the inner side wall 175 and the outer wall surface of the first side wall 12 form a triangular area from a plan view, and the escape hole 121 is disposed in the triangular area. The inner rear wall 176 is disposed on one side of the insertion opening 151 and extends in a direction perpendicular to the insertion/ejection of the electronic card, and is provided with a positioning hole 122 inwardly recessed. The limiting portion 173 is adjacent to the inner rear wall 176. The accommodating cavity 17 is surrounded by a guiding portion 172 extending from the extending bottom wall 171 and the extending bottom wall 171, a limiting portion 173, an inner front wall 174, an inner side wall 175 and an inner rear wall 176. A cavity is formed, and the accommodating cavity 17 is inclined with respect to the insertion/exit direction of the electronic card.

The card ejecting mechanism 3 is received in the accommodating cavity 17 . The card ejecting mechanism 3 includes a slider 31 that slides back and forth in the accommodating cavity 17, a guide bar 32 that positions the slider relative to each other, and an elastic member that drives the slider to retreat (the spring 33 in the present embodiment). The slider 31 is provided with a core groove 311 guiding the guiding rod 32, a pushing portion 312 of the pushing electronic card, a second positioning post 313, a guiding groove 314 and a holding portion 315. The slider 31 slides back and forth in the direction in which the electronic card is inserted/exited. The core groove 311 is disposed on the upper surface of the slider 31. One end of the guide bar 32 is positioned in the positioning hole 122, and the other end is located in the core groove 311. The pushing portion 312 protrudes from the slider block into the slot 15, and the pushing portion 312 is provided with an inclined pushing surface 3121. The second positioning post 313 extends from the slider block to the first positioning post 177. One end of the spring 33 is sleeved on the first positioning post 177, and the other end is sleeved on the second positioning post 313. The spring 33 is inclined. Set in the direction of the electronic card insertion/exit. The guiding groove 314 is defined on the bottom of the slider 31 and on the lower side of the pushing portion 312 and extends parallel to the guiding portion 172. The guiding groove 314 is stuck on the guiding portion 172 and moves back and forth along the guiding portion 172. The holding portion 315 protrudes from the slider block and is substantially limited The upper side of the bit portion 173. The holding portion 315 is located adjacent to the insertion opening on the rear side of the slider 31. The pushing portion 312 is located at the front end of the slider 31 and protrudes into the slot 15, and the holding portion 315 is located at the rear end of the slider 31. It can resist the side edge of the electronic card 200.

Referring to FIGS. 5 to 8 , the electronic card 200 is inserted into and ejected from the electronic card connector 100. Before the insertion of the electronic card (refer to FIG. 5), the distance D between the slider holding portion 315 and the second side wall 13 is slightly smaller than the width of the electronic card 200. After the electronic card 200 is inserted into the segment from the back to the front (see FIG. 6), the electronic card 200 and the slider 31 interfere with each other to pull the slider 31 to move, and a gap d is formed between the slider 31 and the inner rear wall 176. Continuing to insert the electronic card 200, the progressive insertion of the slider 31 with the electronic card 200 will move forward along the guiding portion 172, and the slider 31 moves along the arrow J1 until the slider 31 is locked by the guiding rod 32, and the spring 33 is slid The block 31 is compressed, and the conductive terminal 2 is electrically connected to the electronic card 200 (refer to FIG. 7). When the electronic card 200 is ejected, the electronic card 200 is pushed forward again, the lock of the guide bar 32 is released, and the spring 33 rebounds and drives the slider 31 to move rearward. Since the slider 31 moves along the guiding portion 172, and the guiding portion 172 is obliquely disposed with respect to the direction in which the electronic card 200 is withdrawn, the slider 31 is obliquely moved with respect to the direction in which the electronic card 200 is withdrawn, and the slider 31 is along the arrow J2. Moving, and the spring 33 is also designed to be disposed obliquely such that the slider 31 has a first component force F1 along the exit direction (defined as the Y direction) of the electronic card 200 and perpendicular to the Y direction and is defined as The second component force F2 in the X direction. The second component force F2 pushes the electronic card 200 against the second side wall 13, so that the slider 31 and the second side wall 13 hold the electronic card 200, and the second component force F2 reduces the size of the first component force F1, that is, decreases The speed at which the slider 31 is ejected from the electronic card 200 is reduced, so that the electronic card 200 can be effectively prevented from flying out of the slot 15 (see FIG. 8). The slider 31 is provided with the holding portion 315 in contact with the side edge of the electronic card 200, and can form a holding force at a later stage of the card retracting process, thereby enhancing the effect of preventing the electronic card 200 from flying out of the slot 15. The pushing surface 3121. of the slider 31 is lengthened in the oblique direction to ensure that the slider 31 can fully contact the electronic card 200 during the oblique movement. And to ensure that the slider 31 always maintains sufficient strength during the card withdrawal process.

The moving direction of the pushing portion 312 in the slot 15 is set at an acute angle with the first direction (that is, the X direction), so that the moving path of the card ejecting mechanism 3 is inclined to the direction in which the electronic card is ejected (that is, the J2 direction). ). When the electronic card is exited, the slider 31 pushes the electronic card obliquely in the ejecting direction of the electronic card and provides a first component force F1 of the electronic card 200 in the exit direction of the electronic card and a second component force F2 perpendicular to the exit direction of the electronic card, thereby strengthening The electronic card is restrained and the power of the electronic card is reduced, thereby preventing the flying card, and the electronic card connector has a simple structure and low cost.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

200‧‧‧electronic card

11‧‧‧ bottom wall

12‧‧‧First side wall

13‧‧‧Second side wall

14‧‧‧ front wall

15‧‧‧Slot

172‧‧‧Guide Department

31‧‧‧ Slider

312‧‧‧Pushing Department

315‧‧‧ Department of Maintenance

32‧‧‧guides

33‧‧‧ Spring

F1‧‧‧ first component

F2‧‧‧Second force

2‧‧‧Electrical terminals

231‧‧‧Contacts

Claims (10)

An electronic card connector for accommodating an electronic card, comprising: an insulative housing having a front wall and a slot disposed on a side of the front wall; the plurality of conductive terminals being retained on the insulative housing, the conductive terminal having a protrusion a contact portion into the slot; wherein the electronic card connector is further provided with a card ejecting mechanism mounted on one side of the slot, and the moving path of the ejecting mechanism is inclined in a direction in which the electronic card is inserted/exited. The electronic card connector of claim 1, wherein the card ejecting mechanism is provided with an ejector portion protruding into the slot, and the ejector portion pushes the electronic card obliquely in an exit direction of the electronic card And providing a first component of the electronic card along the exit direction of the electronic card and a second component of force perpendicular to the first component. The electronic card connector of claim 2, wherein the card ejecting mechanism comprises a slider, a guiding rod for positioning a relative position of the slider, and an elastic member for driving the slider, the slider being inclined to the electronic card Slide in the direction of insert/exit. The electronic card connector of claim 3, wherein the elastic member is a spring, and the spring is disposed obliquely to a direction in which the electronic card is inserted/exited. The electronic card connector of claim 3, wherein the pushing portion is disposed at a front end of the slider, and the rear end of the slider is provided with a holding portion that can resist the side edge of the electronic card. . The electronic card connector of claim 5, wherein the insulative housing is provided with a receiving cavity that communicates with the slot, and the ejecting mechanism is received in the receiving cavity, the receiving cavity A guiding portion is disposed on one side, and the guiding portion extends obliquely in a direction in which the electronic card is inserted/exited, and the slider is provided with a guiding groove in which the card is located at the guiding portion. The electronic card connector of claim 6, wherein the accommodating cavity is provided with an inner front a wall, an inner side wall and an inner rear wall, wherein the inner front wall protrudes from the accommodating cavity with a first positioning post, the slider is provided with a second positioning post, and the first positioning post extends along the guiding portion The second positioning post extends in the direction of the guiding slot, the elastic member is located at one end on the first positioning post, and the other end is positioned on the second positioning post, and the slider is provided with a heart-shaped groove. A positioning hole is recessed in the inner rear wall, and one end of the guiding rod is positioned in the positioning hole, and the other end is limited to the inner shape groove, and at least a part of the inner side wall is parallel to the guiding portion. The electronic card connector of claim 7, wherein the insulative housing comprises a bottom wall, a first side wall extending upward from both sides of the bottom wall, and a second side wall, the front wall being upward from the front end of the bottom wall The socket is formed between the bottom wall, the first side wall, the second side wall and the front wall, the receiving cavity is formed on the first side wall, and the electronic card can be received between the second card and the second side wall. When the electronic card is not inserted, the distance between the holding portion and the second side wall is smaller than the width of the electronic card. After the electronic card is inserted, the slider is pulled to form a gap between the slider and the inner rear wall. An electronic card connector includes: an insulative housing comprising a bottom wall, a front wall projecting upward from a side of the bottom wall, and a first side wall projecting upward from both sides of the bottom wall, the bottom wall and the front wall and The first side wall encloses a slot, the first side wall forms a receiving cavity that communicates with the slot; the plurality of conductive terminals are fixed to the front wall and have a contact portion extending into the slot, the contact portion Arranging in a slot in a direction; the card ejecting mechanism is received in the accommodating cavity, and the ejecting mechanism is provided with an ejector portion protruding into the slot and movable in the slot; wherein The direction of movement of the ejector portion in the slot is set at an acute angle to the first direction. The electronic card connector of claim 9, wherein the card ejecting mechanism comprises a slider, a guiding rod for locating the relative position of the slider, and a spring for driving the slider, wherein the insulating body is provided along a vertical a guiding portion disposed in an oblique direction of one direction, the slider sliding along the guiding portion and provided with a guiding groove limited to the guiding portion, the spring being inclined along a direction parallel to the guiding portion, The pushing portion is disposed on the front side of the slider, and the rear side of the slider is convexly provided with a holding portion.