CN2501207Y

CN2501207Y - Electronic card connector

Info

Publication number: CN2501207Y
Application number: CN01241819U
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: 2001-08-04
Filing date: 2001-08-04
Publication date: 2002-07-17
Anticipated expiration: 2011-08-04

Abstract

Disclosed is a connector for an electronic card, comprising a shielding shell, a frame body, a plurality of conductive terminal which are arranged in the frame body, and a card receding mechanism. Wherein, the card receding mechanism is also arranged in the frame body and includes a spring, a push rod, and a buffer device composed of a spring plate and a slider. The spring plate is arranged on the shielding shell. The slider is provided with a brake part, which leans against and also supports the spring plate and inclines outward from the end close to a beam to the other end far from the beam. By using the connector, not only the electronic card can be prevented from being ejected effectively, but also the fact the electronic card remains to recede accurately to a specified position when the distance for the card to recede reduces gradually is guaranteed.

Description

Electronic card coupler

[technical field]

The utility model relates to a kind of electronic card coupler, and especially a kind of have an electronic card coupler that can steadily accurately move back the trip mechanism of card.

[background technology]

The prior art relevant with the utility model can be consulted the Japanese laid-open patent spy and be opened shown in 2000-251024 and 2000-251025 number, the electronic card coupler that it disclosed is used to be installed on the circuit board to be planted wherein for electronic cards, thereby sets up the electric connection between electronic cards and circuit board.This electronic card coupler comprises the trip mechanism that moves back card with spring, and during plug-in card, spring produces elastic force by compression, when moving back card, and spring abrupt release elastic force and eject electronic cards.The trip mechanism of this type of electronic card coupler is in moving back the card process, because spring moves back the effect of card power, electronic cards is launched out outside the electronic card coupler and makes troubles to the user in moment easily.

In order to overcome above-mentioned defective, the industry installing brake shell fragment in the electronic card coupler of being everlasting is directly executed an active force on the side of electronic cards by the brake shell fragment, can prevent that effectively electronic cards from being launched out.But because in moving back the card stroke, the deflection of spring is more and more littler, correspondingly its to move back card power also more and more littler, and brake power remains unchanged.When electronic cards so very easily taking place not falling back on ad-hoc location as yet, move back card power, locate and cause electronic cards to be moved back less than the location just less than brake power.

[summary of the invention]

The purpose of this utility model is to provide a kind of electronic cards that can prevent to be launched out rapidly when moving back card, and also can avoid electronic cards can't retreat to the electronic card coupler of location.

The purpose of this utility model is achieved through the following technical solutions: the utility model comprises shielding casing, framework, is installed in plurality of conductive terminals and trip mechanism in the framework, wherein framework comprises first, second main part and crossbeam, trip mechanism is installed in above-mentioned second main part, comprise spring, push rod and the buffer unit that constitutes by shell fragment and slide block, slide block is provided with braking parts, described braking parts and above-mentioned shell fragment offset, and contiguous certainly crossbeam one end is towards outward-dipping away from the other end of crossbeam.So in moving back the card process, the resist force between shell fragment and the braking parts reduces gradually, still makes electronic cards fall back on specific location exactly moving back under the situation that card reduces gradually.

Compared with prior art, advantage of the present utility model is: the trip mechanism of this kind electronic card coupler is when withdrawing from electronic cards, can guarantee that by the setting of shell fragment on it and braking parts electronic cards can not launched rapidly in withdrawing from process, also can not reduce to move back owing to spring moves back card power less than specific location.

[description of drawings]

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

Fig. 2 is a three-dimensional combination figure of the present utility model, and wherein electronic cards is not inserted into position location (for ease of observing shielding casing partly cut-away) as yet.

Fig. 3 is a broken section three-dimensional combination figure of the present utility model, and wherein electronic cards has been inserted into positioning states (for ease of observing, electronic cards is not drawn).

Fig. 4 is the three-dimensional combination figure of another embodiment of the utility model.

[embodiment]

As shown in Figure 1, the utility model electronic card coupler 1 is used for electronic cards (not label) is electrically connected to circuit board (not shown), and it comprises framework 10, plurality of conductive terminals 30 and the shielding casing 20 in order to cover above-mentioned framework 10.Wherein framework 10 comprises first main part 102, second main part 103 and connects the crossbeam 101 of first, second main part 102,103, and these crossbeam 101 contiguous second main parts 103 and the direction of inserting along electronic cards are provided with an elongate rod 1011.One end of second main part, 103 contiguous crossbeams 101 is provided with a support slot 1033, the other end then is provided with a registration arm 1032 relatively, these registration arm 1032 contiguous support slot 1033 ends are provided with positioning end 1034, and first, second main part 102,103 outer surfaces are provided with some grabs 1031, further install a trip mechanism 40 on second main part 103 of framework 10.

Conducting terminal 30 is shaped in the crossbeam 101 of above-mentioned framework 10, comprises the weld part 303, the contact site 301 in order to contact with electronic cards that be arranged in parallel with circuit board, and the terminal connecting portion 302 that connects above-mentioned weld part 303 and contact site 301.

Shielding casing 20 coats frameworks 10 and forms the space (not label) of accommodating electronic cards, and these shielding casing 20 both sides are respectively equipped with the draw-in groove 203 that the grab 1031 of first, second main part 102,103 of bonding pad 202 that some and circuit board weld mutually and some and framework 10 holds mutually.Shielding casing 20 dashes at its side corresponding with framework 10 second main parts 103 and establishes a shell fragment 201, this shell fragment 201 comprises the holding parts 2013 that holds mutually with the support slot 1033 of above-mentioned framework 10, oppositely extends the shell fragment connecting portion 2012 of setting from holding parts 2013 along the electronic cards direction of insertion, and the support division 2011 that is provided with from the bending of shell fragment connecting portion 2012 other ends.

Trip mechanism 40 comprises push rod 401, spring 403 and the buffer unit (not label) with guide portion 4011, and wherein, this buffer unit comprises the slide block 402 and the above-mentioned shell fragment 201 that is arranged on the shielding casing 20 that approximately are " L " type.Slide block 402 further is provided with the braking parts 4022 that a support division 2011 with above-mentioned shell fragment 201 offsets and straddles in the guide surface 4021 of above-mentioned push rod 401 guide portion 4011, and the positioning end 1034 of above-mentioned slide block 402 front surface settings and above-mentioned registration arm 1032 is the location division 4023 of clamping mutually.In the present embodiment, braking parts 4022 is an inclined-plane, from its front end edge electronic cards direction of insertion slope inwardly (be braking parts 4022 from contiguous crossbeam 101 1 ends towards outward-dipping away from the other end of crossbeam 101).

Please be simultaneously with reference to shown in Figure 2, for ease of observe the upper surface partly cut-away of shielding casing 20 (Fig. 3, Fig. 4 in addition, for ease of observing, remove electronic cards together) in Fig. 3, Fig. 4.During assembling, push rod 401, slide block 402 and the spring 403 of trip mechanism 40 are installed on second main part 103 of framework 10 in certain sequence, wherein the guide surface 4021 of slide block 402 straddles on the guide portion 4011 of push rod 401, spring 403 1 ends are set on the elongate rod 1011 of above-mentioned crossbeam 101, and the other end then is held in the rear surface of slide block 402 contiguous crossbeams 101 relatively.The holding parts 2013 of shielding casing 20 shell fragments 201 inserts in the support slot 1033 of second main part 103, and some grabs 1031 of framework 10 are fastened in respectively in the draw-in groove 203 of shielding casing 20 correspondences.Some bonding pads 202 of shielding casing 20 then are welded to the circuit board corresponding position by surface mount technology.The positioning end 1034 of the support division 2011 of the shell fragment 201 of shielding casing 20 and second main part, 103 registration arm 1032 all is held on the braking parts 4022 of above-mentioned slide block 402.

Please be simultaneously with reference to shown in Figure 3, in the use, the electronic cards front-end edge of insertion pushes against slide block 402, and then promotes slide block 402 to the slip of crossbeam 101 directions, and 403 beginnings of spring strain is moved back card power with storage.When electronic cards was inserted to ad-hoc location, the positioning end 1034 of second main part, 103 registration arm 1032 supported the location division 4023 of slide block 402, and the support division 2011 of above-mentioned shell fragment 201 then is held in braking parts 4022 positioned adjacent portions 4023 places of slide block 402.When moving back card, only need push push rod 401, the guide portion 4011 of push rod 401 is passed registration arm 1032 and is made the location division 4023 of slide block 402 and the positioning end 1034 of registration arm 1032 break away from towards the side at this moment, spring 403 discharges and moves back card and try hard to recommend the opposite direction that movable slider 402 inserts along electronic cards and withdraw from, and then the promotion electronic cards withdraws from along the opposite direction of its insertion.When slide block 402 outwards slides because of the active force of spring 403, the release of spring 403 stored energy makes along with the growth of moving back the card stroke that also moving back card power diminishes gradually, this moment is by the design of braking parts 4022 incline structures, make the positive acting of 201 pairs of slide blocks 402 of shell fragment diminish gradually, the resist force that acts on slide block 402 braking parts 4022 owing to shell fragment 201 moves back card power with spring 403 and subdues mutually simultaneously, to guarantee that electronic cards withdraws from the card active force that moves back suffered in the process is definite value, electronic cards can not launched rapidly, can not cause yet and move back in the card stroke, because it is more and more little that spring moves back card power, causes card to move back less than ad-hoc location but resist force is constant.

Please be simultaneously with reference to shown in Figure 4, be another execution mode of the present utility model, compare with previous execution mode, its difference is: the braking parts 4022 of trip mechanism 40 slide blocks 402 is set to waveform, resist force this moment decrescence situation in moving back the card stroke is more obvious, is beneficial to trip mechanism and moves back more reposefully and snap into the exact position.

Claims

1. electronic card coupler, be used to electrically connect electronic cards, comprise framework, some conducting terminal and trip mechanisms that is arranged in this framework, wherein framework comprises a crossbeam at least, trip mechanism comprises spring, push rod and buffer unit, it is characterized in that: described buffer unit comprises slide block and shell fragment, and described slide block is provided with a braking parts that supports with aforementioned shell fragment, and this braking parts from an end of contiguous crossbeam towards outward-dipping away from the other end of crossbeam.

2. electronic card coupler according to claim 1 is characterized in that: the braking parts surface of described buffer unit is a skewed plane.

3. electronic card coupler according to claim 1 is characterized in that: the braking parts surface of described buffer unit is provided with some wavy grooves.

4. according to claim 2 or 3 described electronic card couplers, it is characterized in that: the shell fragment of described trip mechanism comprises holding parts, support division and in order to connecting the shell fragment connecting portion of holding parts and support division, and framework then is provided with ammunition feed sheet holding parts and sets firmly wherein support slot.

5. electronic card coupler according to claim 4 is characterized in that: described electronic card coupler also comprises the shielding casing that is coated on the framework periphery, and the shell fragment of buffer unit can be rushed by shielding casing.

6. electronic card coupler according to claim 5 is characterized in that: described framework further comprises first main part and second main part, and trip mechanism is installed in second main part.

7. electronic card coupler according to claim 6 is characterized in that: on described framework second main part registration arm is set, an end of the contiguous crossbeam of this registration arm is provided with a positioning end, and slide block then is provided with this positioning end and fastens the location division mutually.