TWI506869B - Electronic card connector and electronic device using the same - Google Patents

Description

Electronic card connector and electronic device using the same

The present invention relates to an electronic card connector, and more particularly to an electronic card connector for an electronic device.

Currently, an electronic card connector of a portable electronic device generally includes a body, a tray slidably coupled to the body, and an elastic body. The tray is used to carry an electronic card. The elastomer is placed at one end of the tray. When the electronic card is placed in the tray and inserted into the electronic device, the tray is pushed to squeeze the elastic body, the elastic body is elastically deformed and stored with elastic potential energy; and when the card is retracted, the tray is pressed again in the direction in which the electronic card is inserted to restore the spring. And the electronic card is withdrawn. However, as the random electronic device develops in a thinner direction, the electronic card connector disposed on the electronic device 200 becomes more and more compact. As shown in FIG. 1, when the electronic card needs to be withdrawn, the user usually needs to use the cone tip 20 Acting on the tray 60 to eject the electronic card is inconvenient for the user to use.

In view of this, it is necessary to provide an improved electronic card connector.

The electronic card connector includes a base, a tray slidably received by the base, and a card ejecting mechanism. The tray is used to carry an electronic card to insert or eject the electronic card into the electronic card connector. The card ejecting mechanism includes a driving unit and a transmission unit. One end of the transmission unit is rotatably connected to the driving unit, the other end abuts against the tray, and can be driven by the driving unit Rotating center of rotation between the two ends of the transmission unit. The other end of the transmission unit in turn drives the tray to move in a direction parallel to the direction in which the tray is inserted.

The present invention also provides an electronic device having the above electronic card connector. The electronic device also includes a processor electrically coupled to the electronic card connector. The processor is electrically connected to a driving unit of the electronic card connector, and the driving unit is configured to drive the transmission unit of the electronic card connector under the control of the processor along the center of rotation to insert or withdraw the tray from the base.

The electronic device controls the driving unit by the processor to drive the transmission unit to rotate to withdraw the tray from the electronic device, so that the electronic card can be withdrawn from the electronic device without the aid of the cone tip, which is convenient for the user to operate.

100‧‧‧Electronic devices

10‧‧‧shell

20‧‧‧ boards

30‧‧‧Electronic card connector

50‧‧‧ processor

60‧‧‧Input/output unit

70‧‧‧Power supply

80‧‧‧ display unit

310‧‧‧Base

320‧‧‧Tray

330‧‧ ‧Return card agency

340‧‧‧Contact terminals

350‧‧‧Base

360‧‧‧ Limit Board

312‧‧‧ Reception trough

314‧‧‧ openings

316‧‧‧ incision

322‧‧‧ Housing Department

324‧‧ ‧ baffle

326‧‧‧Care Department

3262‧‧‧ side wall

332‧‧‧ drive unit

334‧‧‧Transmission unit

336‧‧‧electromagnet

338‧‧‧ drive rod

3362‧‧‧Spiral coil

3364‧‧‧ iron core

3365‧‧‧ Ontology

3367‧‧‧Extension arm

3369‧‧‧ round hole

339‧‧‧Transmission rod

345‧‧‧ pivot

337‧‧‧ shaft

3392‧‧‧First shaft hole

3394‧‧‧Second shaft hole

3396‧‧‧ Groove

370‧‧‧Flexible compression unit

341‧‧‧Resist parts

343‧‧‧Flexible parts

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of the prior art when exiting a tray from an electronic device.

2 is a partial exploded view of an electronic device in accordance with a preferred embodiment of the present invention, the electronic device including an electronic card connector.

FIG. 3 is a functional block diagram of the electronic device shown in FIG. 2.

4 is an exploded view of the electronic card connector in the electronic device shown in FIG. 2.

Fig. 5 is a schematic view showing the state after the tray is inserted into the electronic device.

Fig. 6 is a schematic view showing the state after the tray is ejected from the electronic device.

2 and FIG. 3 are schematic diagrams of an electronic device 100 according to a preferred embodiment. The electronic device 100 includes a housing 10 , a circuit board 20 housed in the housing 10 , and an electronic card connector 30 disposed on the circuit board 20 . The electronic card connector 30 is used for inserting An electronic card (not shown) is placed and the electronic card is electrically connected to the circuit board 20. The electronic card can be a SIM card, an SD card, or the like. In addition, the electronic device 100 further includes a processor 50, an input/output unit 60 connected to the processor 50, a power source 70, and a display unit 80. The processor 50 is for executing and processing various instructions. The input/output unit 60 is configured to receive user input operations and generate corresponding operational information. The display unit 80 is configured to display information such as texts and pictures. In the present embodiment, the processor 50 is integrated in the circuit board 20.

Referring to FIG. 4 together, the electronic card connector 30 includes a base 310, a tray 320 slidably received in the base 310, two card retracting mechanisms 330 respectively disposed on opposite sides of the tray 320, and a plurality of Contact terminal 340. The tray 320 is used to carry an electronic card to insert or detach the electronic card into the electronic device 100. The susceptor 310 is fixed to the circuit board 20. The card ejecting mechanism 330 is configured to eject the tray 320 accommodated in the base 310, thereby ejecting the electronic card carried on the tray 320 from the electronic device 100. The electronic card connector 30 electrically connects the electronic card inserted therein to the circuit board 20 by the plurality of contact terminals 340.

The base 310 defines a receiving slot 312 for receiving the tray 320. An opening 314 is formed at one end of the receiving groove 312. The tray 320 is inserted or slid out of the receiving groove 312 through the opening 314. The plurality of contact terminals 340 are disposed at the bottom of the receiving slot 312 and electrically connected to the circuit board 20, so that the electronic card can be electrically connected to the circuit board 20 by the plurality of contact terminals 340 after being inserted into the electronic card connector 30. The two side wall portions of the susceptor 310 parallel to the insertion direction of the electronic card are cut away to form two opposite slits 316.

The tray 320 is provided with a receiving portion 322 for accommodating an electronic card. One end of the tray 320 is provided with a baffle 324 for blocking the tray 320 at the opening 314 when the tray 320 is inserted into the receiving slot 312 of the electronic card connector 30. The two ends of the tray 320 are away from the end of the baffle 324, and are respectively formed with two opposite engaging portions 326. The engaging portion 326 includes two outwardly inclined side walls 3262.

Each of the card ejecting mechanisms 330 includes a driving unit 332, a transmission unit 334, and a base 350. The base 350 is fixed to the circuit board 20. The driving unit 332 is rotatably coupled to the base 350 for driving the transmission unit 334 to rotate along a center of rotation. The center of rotation is a pivot 345 disposed between the ends of the transmission unit 334 in this embodiment. One end of the transmission unit 334 is connected to the driving unit 332, and the other end abuts on the engaging portion 326 of the tray 320 for withdrawing or inserting the tray 320 into the electronic card connector 30 when the driving unit 332 is rotated.

The driving unit 332 includes an electromagnet 336 rotatably coupled to the base 350 and a driving rod 338 slidably received in the electromagnet 336. The electromagnet 336 is rotatably coupled to the base 350 by a rotating shaft 337, which includes a helical coil 3362 and a substantially hoof-shaped iron core 3364. The iron core 3364 includes a body 3365 and two extending arms 3367 extending perpendicularly from opposite ends of the body 3365. The two extension arms 3367 are respectively provided with two opposite circular holes 3369. The spiral coil 3362 is accommodated between the two extension arms 3367 and is disposed concentrically with the circular hole 3369. The drive rod 338 passes through the circular hole 3369 and the spiral coil 3362 so as to be slidably received in the electromagnet 336 in the axial direction. The driving rod 338 is rotatably connected to the transmission unit 334 at one end. In the present embodiment, the drive rod 338 and the iron core 3364 are both made of a soft iron material.

It can be understood that in other embodiments, the driving unit 332 can also be other driving mechanisms such as a stepping motor or a servo motor (not shown). For example, the transmission unit 334 is rotatably coupled to a stepper motor or a servo motor shaft (not shown) such that the drive transmission unit 334 rotates when the stepper motor or the servo motor operates.

The transmission unit 334 includes a transmission rod 339 rotatably coupled to the base 350 and an elastic pressing unit 370 partially received in the transmission rod 339. In this embodiment, the elastic pressing unit 370 includes a pressing member 341 and an elastic member 343 received in the transmission rod 339. It can be understood that in other embodiments, the elastic pressing unit 370 can also be an elastic rubber head. . A first shaft hole 3392 is opened at one end of the transmission rod, and the transmission rod 339 is rotatably connected to the driving rod 338 by the first shaft hole 3392. A second shaft hole 3394 is defined in the middle end of the transmission rod 339. The transmission rod 339 is rotatably connected to the base 350 via the second shaft hole 3394 and the pivot 345. A groove 3396 is defined in one end of the transmission rod 339 away from the first shaft hole 3392. The groove 3396 extends radially in a direction toward the second shaft hole 3394. The groove 3396 receives the elastic member 343 and the pressing member 341 in sequence, so that the pressing member 341 is telescopically received by the transmission rod 339 under the action of the elastic member 343. The pressing member 341 is substantially T-shaped, and one end exposed to the groove 3396 is received in the engaging portion 326 and matched with the shape of the engaging portion 326. In the present embodiment, the elastic member 343 causes the pressing member 341 to abut against the engaging portion 326 at all times.

In addition, in order to keep the transmission rod 339 rotated while the plane of the tray 320 is located, the electronic card connector 30 further includes a limiting plate 360. The limiting plate 360 is parallel to the base 350 and forms a gap (not shown) with the base 350 to limit the rotation of the transmission rod 339 in a plane parallel to the base 350.

The processor 50 is electrically connected to the driving unit 332, the input/output unit 60, and the display unit 80 for turning on or off the driving unit 332 to withdraw or insert the tray 320 into the electronic device 100 according to an operation command input by the user. Specifically, when the user needs to exit the tray 320, the user can input a "pop-up" command ("insert" command) by the input/output unit 60, and the processor 50 slowly energizes the screw coil 3362 according to the input operation of the user (through The current in the opposite direction is such that the driving rod 338 slides to the right (left) under the action of the electromagnet 336 and pulls the transmission rod 339 and the pressing member 341 to rotate counterclockwise, thereby ejecting (inserting) the tray 320 into the receiving groove. 312.

As shown in FIG. 5, when the tray 320 is received in the receiving groove 312, the transmission rod 339 abuts against the engaging portion 326 of the tray 320, and the angle α with the insertion direction of the tray 320 (ie, the insertion direction of the electronic card) is greater than 90 degrees, preferably, the angle α is 100 degrees. At this time, arrived The force applied by the pressing member 341 to the tray 320 generates a component force parallel to the insertion direction of the electronic card, so that the tray 320 is more stable when it is received in the receiving groove 312.

As shown in FIG. 6, when the tray 320 needs to be ejected, the user inputs a control command through the input/output unit 60; the processor 50 energizes the solenoid 3362 according to the user operation, so that the driving lever 338 functions as the electromagnet 336. Slide down to the right and pull the transmission rod 339 and the pressing member 341 to rotate clockwise, thereby ejecting the tray 320 into the receiving groove 312. The user can carry the electronic card on the tray 320 as needed to insert the electronic device 100 or take out the electronic card in the tray 320.

When the tray 320 needs to be inserted into the electronic device 100, the user can apply a force to the baffle 324 along the insertion direction of the tray 320 to slide the tray 320 into the receiving groove 312. In addition, the user can also input an operation instruction by the input/output unit 60, so that the processor 50 can pass the current in the opposite direction along the operation screw to the screw coil 3362, so that the driving rod 338 is caused by the electromagnet 336. The tray 320 is inserted into the receiving groove 312 by sliding to the left and pulling the transmission rod 339 and the pressing member 341 counterclockwise.

It is to be understood by those skilled in the art that the above embodiments are only intended to illustrate the invention, and are not intended to limit the invention, as long as it is within the spirit of the invention Changes and modifications are intended to fall within the scope of the invention.

30‧‧‧Electronic card connector

320‧‧‧Tray

340‧‧‧Contact terminals

350‧‧‧Base

360‧‧‧ Limit Board

332‧‧‧ drive unit

334‧‧‧Transmission unit

341‧‧‧Resist parts

Claims (9)

An electronic card connector includes a base, a tray slidably received in the base, and a card ejecting mechanism. The tray is configured to carry an electronic card to insert or eject the electronic card into the electronic card connector. The improvement is that the card ejecting mechanism includes a driving The unit and the transmission unit; wherein the driving unit comprises an electromagnet and a driving rod slidably received in the electromagnet; one end of the transmission unit is rotatably connected to one end of the driving rod of the driving unit, and the other end abuts against the tray, the electromagnet is used for Driving the drive rod to slide relative to the electromagnet when energized, thereby driving the transmission unit to rotate around a center of rotation between the two ends of the transmission unit, the other end of the transmission unit further driving the tray parallel to The direction in which the tray is inserted is moved. The electronic card connector of claim 1, wherein the other end of the transmission unit comprises an elastic pressing unit that abuts against a side of the tray. The electronic card connector of claim 2, wherein the elastic pressing unit comprises a pressing member that presses against a side portion of the tray and an elastic member that cooperates with the pressing member. The electronic card connector of claim 3, wherein the transmission unit comprises a transmission rod, the transmission rod is rotatably connected to the rotation center, and the transmission rod is rotatably connected to the drive rod at one end, and the transmission rod is remotely driven. The other end of the rod is provided with a receiving portion, and the elastic member and a part of the pressing member are sequentially received in the receiving portion. The electronic card connector of claim 2, wherein the side of the tray is formed with an engaging portion, and an end of the elastic pressing unit away from the driving rod abuts against the engaging portion. The electronic card connector of claim 2, wherein the engaging portion is concavely formed at a side of the tray and includes two laterally inclined side walls. The electronic card connector of claim 4, wherein the card ejecting mechanism further comprises a base, and the electromagnet and the transmission rod are rotatably coupled to the base. The electronic card connector of claim 1, wherein the electronic card connector comprises two card ejecting mechanisms, and the two card ejecting mechanisms are disposed on opposite sides of the tray. An electronic device comprising a processor and an electronic card connector according to any one of claims 1 to 8, wherein the processor is electrically connected to the driving unit, and the driving unit is used for The drive unit is driven along the center of rotation under control of the processor to insert or withdraw the tray from the base.