CN2484668Y

CN2484668Y - Electronic-card connector

Info

Publication number: CN2484668Y
Application number: CN01228056U
Authority: CN
Inventors: 张仁柔
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: 2001-06-12
Filing date: 2001-06-12
Publication date: 2002-04-03
Anticipated expiration: 2011-06-12

Abstract

A electronic card connector compromises insulation body, conduction terminal and switch gear arranged in the insulation body. The switchgear includes the first, the second and the third terminal. The first and the second terminal can form a monitoring device, and the second and the third terminal can form a write-protect device. When the electronic card is fully inserted, the bottom face of electronic card presses the first terminal, which can make electric card touch the second terminal. The side edge of electronic card can determine whether or not the second terminal is touched with the third terminal depending on the initial read-write setting state of electronic card. Therefore, monitor whether or not the electronic card is fully inserted or the electronic card whether or not has write-protect function.

Description

Electronic card coupler

The utility model relates to a kind of electronic card coupler, relates in particular to a kind of electronic card coupler with electronic cards and circuit board electric connection.

Usually borrow an electronic card coupler to realize being electrical connected between electronic cards and circuit board, and some electronic card couplers also are provided with switching device, are used for detecting electronic cards and whether insert fully.The prior art relevant with the utility model, as United States Patent (USP) the 5th, 334,034 and 5,370, shown in No. 544 grades.The switching device of these prior aries generally includes mobile terminal and fixed terminal, and originally be between mobile terminal and fixed terminal and contact/off-state, after electronic cards is inserted, compress mobile terminal by the electronic cards leading edge, make mobile terminal and fixed terminal become disconnection/contact condition, and reach the function whether the detecting electronic cards is inserted fully.But the active force between the switching device of these existing structures and the electronic cards is to move back on the direction of card, might be in use, because external force effect such as vibration and switching device will be blocked outwards push away the location.The switching device of these existing structures only can be reached the function whether the detecting electronic cards is inserted fully in addition, if also need to detect whether write-protect of electronic cards, then need set up arrangement for detecting again, is unfavorable for like this reducing production costs.

The purpose of this utility model is to provide a kind of can detect simultaneously whether electronic cards is inserted fully and whether write-protect and plug-in card is reliable, production cost is lower electronic card coupler.

The purpose of this utility model is achieved through the following technical solutions: the utility model electronic card coupler comprises that insulating body, conducting terminal and group are located at the switching device on the insulating body; wherein switching device comprises first, second and third terminal; and first and second terminals can cooperate formation one arrangement for detecting, and the second and the 3rd terminal can cooperate formation one write protector.When electronic cards is inserted; the bottom surface of electronic cards compresses the first terminal; make itself and second termination contact; whether the lateral margin of electronic cards then decides second terminal and the 3rd termination contact according to the initial read-write set condition of electronic cards, thereby realizes simultaneously whether the detecting electronic cards is inserted fully and electronic cards write-protected function whether.

Compared to prior art; the write protector that the arrangement for detecting of the first terminal of the utility model electronic card coupler and second terminal composition and second terminal and the 3rd terminal are formed is when contacting with electronic cards; and the active force between the electronic cards is all perpendicular to the direction of insertion of electronic cards; thereby increased frictional resistance to electronic cards, prevent that it from outwards skidding off.In addition,, adopt four terminals to realize this two functions, reduced production cost compared to prior art because the utility model is only promptly realized detecting and write-protect function with three terminals.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is the three-dimensional exploded view of another angle of the utility model.

Fig. 3 is a three-dimensional combination figure of the present utility model.

Fig. 4 is the three-dimensional combination figure at another visual angle of the utility model.

Fig. 5 is the partial schematic diagram of switching device user mode of the present utility model.

Please refer to Figure 1 and Figure 2, the utility model electronic card coupler 1 comprises insulating body 2, conducting terminal 3 and switching device 4.Wherein insulating body 2 is to reach first,

second sidewall

21,22 and the antetheca 23 that are protruded out vertically upward by diapire 20 lateral margins by diapire 20 to be made around, this diapire 20 encloses with first,

second sidewall

21,22 and antetheca 23 and forms a receiving space 24, and diapire 20 is provided with plurality of terminals accepting groove 25.In addition, offer first accepting groove 26 on the diapire 20, and offer second accepting groove 27 and the 3rd accepting groove 28 on the first side wall 21 from inside to outside, and first accepting groove 26 is connected with second accepting groove 27, and be separated with a dividing plate 211 between second accepting groove 27 and the 3rd accepting groove 28, and dividing plate 211 middle parts also are provided with an opening 212, the second accepting grooves 27 and only are connected at opening 212 places with the 3rd accepting groove 28.

In 3 groups of terminal containing slots 25 that are located on the insulating body 2 of conducting terminal, which is provided with contact site 30 and weld part 31.Because the structure of conducting terminal 3 and function are real to be that industry is known, so do not give unnecessary details.

Switching device 4 comprises the first terminal 41, second terminal 42 and the 3rd terminal 43.Wherein the first terminal 41 comprises scalariform elastic arm 410, is the certain altitude difference and horizontal arm 411 that is provided with at its side and the linking arm 412 that is connected elastic arm 410 and horizontal arm 411 with elastic arm 410, and elastic arm 410 ends are extended with one towards second terminal, 42 directions, one lateral buckling and are the contact chip 413 at certain inclination angle with elastic arm 410 ends, and horizontal arm 411 1 ends bend down to extend and are provided with first weld part 414.Second terminal 42 comprises that holding parts 420, the elastic portion 421, own elasticity portion 421 1 ends that extend towards the first terminal 41 location bendings from holding parts 420 1 ends extend holding section 422 that is provided with and second weld part 424 that extends from the bending of holding parts 420 other ends, and holding parts 420 middle parts convex with the contact site 423 that extends towards contact chip 413 directions of the first terminal 41.The 3rd terminal 43 is tabular, comprises that group connecting part 430 reaches the 3rd weld part 431 that bends extension from group connecting part 430 1 ends downwards.

Please refer to shown in the 3rd to the 5th figure, during assembling, the first terminal 41, second terminal 42 and the 3rd terminal 43 are housed in respectively in first accepting groove 26, second accepting groove 27 and the 3rd accepting groove 28 on the insulating body 10, and the contact chip 413 on the elastic arm 410 of the first terminal 41 does not contact with contact site 423 on second terminal 42.The elastic portion 421 of second terminal 42 is passed opening 212, and 422 of the holding sections of front end do not contact with the group connecting part 430 of the 3rd terminal 43.In addition, 414,424 and 431 of first, second and third weld parts extend the antetheca 23 of insulating body 10 respectively and are welded on the circuit board (not shown).

When electronic cards 5 is inserted fully, the bottom surface of electronic cards 5 compresses the elastic arm 410 of the first terminal 41, it is moved down and the contact site 423 that is convexly equipped with on contact chip 413 and second terminal, 42 holding parts 420 is contacted, thereby reach the function whether the detecting electronic cards is inserted fully.Simultaneously, if electronic cards 5 is set at and can not writes fashionablely, then be located at the elastic portion 421 that write-protect key 51 on electronic cards 5 lateral margins will compress second terminal 42, the holding section 422 that its front end is extended contacts with the group connecting part 430 of the 3rd terminal 43; Otherwise if electronic cards is set at and can writes fashionable (write-protect key 51 will be moved to present dotted line position shown in Figure 5), then holding section 422 will can not contact with group connecting part 430 when electronic cards 5 is inserted fully, thereby realize whether write-protected function of detecting electronic cards.

Claims

1. electronic card coupler; comprise insulating body; conducting terminal and group are located at the switching device on the insulating body; wherein switching device comprises the first terminal and second terminal; and first and second terminals can cooperate the formation arrangement for detecting; it is characterized in that: described switching device also comprises the 3rd terminal; and the second and the 3rd terminal can cooperate the formation write protector; when electronic cards is inserted fully; the first terminal along the insulating body thickness direction move and on the insulating body Width with second termination contact, second terminal then can determine whether contact according to the initial read-write set condition of electronic cards with the 3rd terminal.

2. electronic card coupler according to claim 1, it is characterized in that: described the first terminal is provided with the scalariform elastic arm, be the certain altitude difference with elastic arm and the horizontal arm that is provided with at its side and be connected elastic arm and the linking arm of horizontal arm, and the elastic arm end also bends to a side and is extended with a contact chip.

3. electronic card coupler according to claim 2, it is characterized in that: described second terminal is provided with holding parts, the elastic portion from holding parts one end bending extension, the holding section that own elasticity portion one end extends setting and the contact site that is convexly equipped with in the middle of holding parts, and contact site can contact with the contact chip of the first terminal.

4. electronic card coupler according to claim 3 is characterized in that: the contact site of the contact chip of described the first terminal and second terminal is terminal to be oblique cambered surface.

5. electronic card coupler according to claim 4 is characterized in that: described the 3rd terminal is provided with the group connecting part that matches with the second terminal holding section.

6. electronic card coupler according to claim 5, it is characterized in that: described insulating body comprises diapire and first, second sidewall and the antetheca that are upwards protruded out by the diapire lateral margin, and offer first accepting groove on the diapire, and offer the second and the 3rd accepting groove on the first side wall from inside to outside.

7. electronic card coupler according to claim 6, it is characterized in that: described first accepting groove is connected with second accepting groove, be separated with a dividing plate between second accepting groove and the 3rd accepting groove, and be provided with an opening at dividing plate middle part, second is connected at opening part with the 3rd accepting groove.

8. electronic card coupler according to claim 7, it is characterized in that: described first, second and third terminal is housed in respectively in first, second and third accepting groove, and the holding section of second terminal opening part that can be connected at second, third accepting groove and the group connecting part butt of the 3rd terminal.