CN2383233Y

CN2383233Y - Card withdrawing mechanism for electronic card connector

Info

Publication number: CN2383233Y
Application number: CN 99227777
Authority: CN
Inventors: 余宏基; 赖明骏
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: 1999-07-08
Filing date: 1999-07-08
Publication date: 2000-06-14
Anticipated expiration: 2009-07-08

Abstract

The utility model relates to a card withdrawal mechanism for an electronic card connector. The utility model comprises a driving portion and a driven portion, wherein, a base of the driving portion is provided with a heart-shaped guide groove; during the forward and the backward motion of a push rod, a sliding part can perform sectional type slipping motion along the specialized shape of the guide groove, so as to realize the sectional type motion of withdrawing a card; a coupled rod of the driven portion is provided with a butting end, the butting end can come in contact with the sliding part, and one side of the butting end is convexly provided with a convex portion of proper length, so as to maintain contact with the terminal end of the push rod. Due to the structure, the butting end of the coupled rod can not butt the terminal end of the push rod, and the integral running of the card withdrawal mechanism is enabled to be smoother.

Description

The trip mechanism of electronic card coupler

The utility model is a kind of trip mechanism of electronic card coupler, refers to that especially a kind of that the action of withdrawing from and inserting electronic cards is stablized more is smooth and easy, and can reduce the trip mechanism of quality of fit requirement with the electronic card coupler that reduces manufacturing cost.

Along with all kinds of card-type electronic elements such as memory card, electronic cards are increasingly extensive in the utilization of different electronic installations, can accommodate the card-type electronic element that is loaded with the data with different content at any time and realize that the electronic card coupler that the telecommunication between these card-type electronic elements and electronic installation is transmitted also just becomes more important.Common electronic cards or memory card are because number of contacts is quite a lot of, so it is with after electronic card coupler docks, and need trip mechanism cooperation set on the electronic card coupler usually, could withdraw from outside the electronic card coupler easily and expediently.The trip mechanism of early stage electronic card coupler is the one-part form structure, that is move back card motion and can reach through promoting a push rod, and after electronic cards is inserted again, promptly can make push rod get back to preparation to move back the initial position of card, cases such as relevant prior art such as TaiWan, China patent No. 83215629, No. 85107204 disclose.Yet, when electronic cards is inserted, because this type of one-part form trip mechanism must make its push rod end extend the outer quite length of computer casing, be easy to be subjected to the touching of improper external force and the damage that fractures, therefore, for improving this phenomenon, with the one-part form trip mechanism is the design that the basis has produced so-called " two-part " trip mechanism, relevant preceding case please refer to No. 83111731 case of TaiWan, China patent and discloses, and the card motion that moves back of this trip mechanism mainly comprises two stages, promptly moves back card stage and reseting stage, so, moving back between card stage and the reseting stage, the push rod major part of trip mechanism is to be housed in the computer casing, and can exempt the risk that fractureed by touching.Because the two-part trip mechanism has characteristics such as the operating space of saving and operation facility, therefore by industry-wide adoption.

Be a kind of design of existing two-part trip mechanism as shown in Figure 1, this trip mechanism 6 includes members such as push rod 610, substrate 611, slide block 612, trace 620 and card ejection 622.Wherein this push rod 610 has to recline mutually with substrate 611 and have the convex extension part 6101 of guide function and have and accommodates slide block 612 driving the room 613 of slide block 612 with push rod 610 motions, and this room 613 also is formed with opening and exposes for slide block 612 on push rod 610 sides at 6101 places, convex extension part.When push rod 610 is subjected to the external force ejection and during with respect to base motion, it can drive slide block 612 along the shove of being located at the heart-shaped guide channel 6110 on the substrate 611, and slide block 612 is protruded from outside the push rod 610 and replace mutually with the conflict end 6200 of trace 620, make trace 620 drive card ejection 622 thereupon and produce and move back card motion.

Yet, in manufacturing and actual mechanical process,, cause this two-part trip mechanism in actual mechanical process, still to have some disappearances owing to inevitably have error.Please consult shown in Figure 2 earlier, since the terminal set convex extension part of push rod directly abut against trace 620 conflict end 6200 near, in case therefore push rod from original position when the guide channel trend slides to the centre position, because of making the end 6100 of convex extension part, horizontal rocking protrude on trace and the predetermined track that offsets of slide block most probably, this moment is if trace 620 sizes fall short of to avoid slightly short and towards the convex extension part 6101 of push rod 610, then in this process, the end 6100 of push rod 610 will directly conflict trace 620 conflict end 6200 and make push rod 610 and slide block can't travel forward to finish to move back card motion, even can be because of the too big fracture that cause push rod or trace of impact force, if and head it off is with the size lengthening (Fig. 3 shows) of this trace 620, then after trip mechanism 6 is returned to original position, the end of oversize trace 620 will excessively extension outside the opening that push rod 610 rooms protrude for slide block, and then the pushing end 6120 that hinders slide block 612 can't protrudingly to be exposed to push rod 610 outer to constitute the effects of ejection trace, so will cause whole trip mechanism to lose efficacy and can't move back card smoothly.

The purpose of this utility model is to provide a kind of making to move back the card motion steady and smooth and be unlikely to take place stuck or invalid promotion phenomenon, thereby and can reduce and make and the assembly precision requirement reduces the trip mechanism of the two-part electronic card coupler of manufacturing cost.

For achieving the above object, the utility model is by the following technical solutions: the trip mechanism of this electronic card coupler comprises initiative part and follower, wherein initiative part has parts such as push rod, pedestal, elastic component, sliding part and housing, and this pedestal is provided with heart-shaped guide channel, produce the segmented slippage in the central sliding part that can make of seesawing of push rod along the specific flute profile of this guide channel, so that the card motion that moves back of segmented to be provided.Follower then comprises structures such as trace, lever and card ejection, this trace have can with the contacted conflict end of sliding part, and convex with the protuberance of suitable length in this conflict end one side, can remain with the end of push rod and recline.

Compared with prior art, advantage of the present utility model be that when push rod is in original position its sliding part can not be subjected to the influence of trace and trouble-free operation to the trace correct location that end offsets of conflicting, and, the conflict end of trace can not conflicted with terminal generation of push rod, and makes the overall operation of this trip mechanism more smooth and easy.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

Fig. 1 is the three-dimensional exploded view of existing electronic card coupler two-part trip mechanism.

Fig. 2 and Fig. 3 are the local structure vertical views of existing electronic card coupler two-part trip mechanism generation unfavorable condition signal.

Fig. 4 is that the trip mechanism of the utility model electronic card coupler is installed in the three-dimensional exploded view on the matrix.

Fig. 5 and Fig. 6 be respectively the top view of guide channel set on the trip mechanism pedestal and launch after sectional view.

Fig. 7 and Fig. 8 are respectively that the trip mechanism of the utility model electronic card coupler is inserted with electronic cards and the stereogram of each member position relation signal local structure under two kinds of situations of plug-in subcard not when being in original position in the electronic card coupler.

See also shown in Figure 4, the trip mechanism 1 of the utility model electronic card coupler is installed in electronic card coupler in order to cover insulating base and terminal thereof, and be slidably connected on metallic matrix 2 sides of electronic cards wherein, it includes initiative part 3 and follower 4 structures such as grade, this initiative part 3 is to comprise push rod 30, pedestal 31, sliding part 32, members such as housing 33 and elastic component 34, wherein these pedestal 31 1 ends are provided with stop section 310, push rod 30 is resisted against pedestal 31 and is provided with on the same side of stop section 310 and slides, be provided with heart-shaped guide channel 311 in pedestal 31 and push rod 30 contacted sides, this guide channel 311 has the primary importance 3110 and the second place 3111 (Fig. 5 reference), and be provided with the terrace structure that suitably is configured to different depth (Fig. 6 with reference to) in the guiding groove face of 3111 of primary importance 3110 and the second places, to produce the foundation of two-part start as push rod.And push rod 30 comprises force side 301 and guide end 302, and the adjacent side in the side that push rod 30 contacts with pedestal 31 is a contact-making surface 304, its can be under suitable actuating travel contact with follower 4 (being detailed later).Extending end in guide end 302 is provided with end 3020, and be away from the opposite side push rod end face of guide end 302 contact-making surfaces 304 and convex with the reference column 3021 that parallels setting with guide end 302 in addition, this reference column 3021 can be used for installing elastic component 34, to cooperate the action and the stroke (being detailed later) of control push rod 30.Between guide end 302 and force side 301 and be concaved with the accepting groove 303 of the suitable degree of depth of tool in push rod 30 and pedestal 31 contacted sides, the notch direction of this accepting groove 303 leans against the side of pedestal 31 towards group, its trench bottom is equiped with a shell fragment 3030, and offers recess 3031 in this accepting groove 303 towards a side of contact-making surface 304.Sliding part 32 is installed in this accepting groove 303, and have can be from the recess 3031 protruding outer pushing end 321 that are exposed to push rod 30 contact-making surfaces 304, and, this sliding part 32 is provided with a guide posts 320 near a side of pushing end 321, its can be in the guide channel 311 of pedestal 31 slippage and cooperate elastic component 34 fixed ending on the primary importance and the second place, so that the location (being detailed later) of push rod 30 on original position and centre position to be provided relatively.This elastic component 34 is a compression spring in present embodiment, and the one end is installed on the reference column 3021 of push rod 30, and its other end then is resisted against the stop section 310 of pedestal 31, so that push rod 30 location and the restoring force in second stroke 11 to be provided.In addition, housing 33 is for being installed in the outside of push rod 30 and pedestal 31 and with push rod 30 and pedestal 31 windings metalwork together, it can be coated on other side of push rod 30 noncontact faces 304, its both-side ends edge is provided with interference part 330, is retained in order to the whole initiative part 3 with trip mechanism 1 on the matrix 2 of electronic card coupler.As for follower 4 is to comprise structures such as trace 40, lever 41 and card ejection 42, wherein this trace 40 is installed in the side of connector matrix 2, it is the end 400 of conflicting with push rod 30 contact-making surfaces 304 adjoining and local ends that contact of initiative part 3, its in due course machine connect down and the movement inertia of push rod and sliding part 32 be passed to lever and the card ejection 42 that is connected on its other end with the pushing end 321 of sliding part 32, realize moving back card motion to borrow card ejection 42 to push up from the terminal of electronic cards and electronic card coupler.Further be convexly equipped with protuberance 401 on the conflict end 400 of trace 40 with suitable length, this protuberance 401 is conflicted from trace 40 and is held 400 sides away from initiative part 3 pedestals 31 to protrude out equivalent length towards push rod 30 force sides 301 directions, and its side also is formed with a breach 402.

The utility model trip mechanism 1 is to reach according to following stroke to move back card motion.Please consult shown in Figure 7 earlier, trip mechanism 1 is in original position, the guide posts 320 of sliding part 32 (Fig. 4 and Fig. 5 reference) is positioned at primary importance 3110 places of guide channel 311 at this moment, when the force side 301 of push rod 30 is pressed and makes this push rod 30 along pedestal 31 shoves, sliding part 32 also travels forward thereupon and enters first stroke 10 of guide channel 311, the primary importance 3110 that is its guide posts 320 self-conductance approaching channels 311 is to the second place 3111 slippages, because first stroke 10 of guide channel 311 is arranged at pedestal 31 near its side that contacts with trace 40, therefore, the pushing end 321 of sliding part 32 is exposed to push rod 30 contact-making surfaces 304 from recess 3031 places of push rod 30 accepting grooves 303, and contact with trace 40 end 400 of conflicting on being posted by push rod 30 contact-making surfaces 304, produce the motion of moving back card motion to promote trace 40, this moment, trace 40 other ends were because of linking to each other with lever 41 and the card ejection 42 that is connected on the lever, therefore, in the process that moves in 40 these stages of trace, card ejection 42 is with counter motion and with electronic cards pushing tow and going out in electronic card coupler.In addition, shift in the process in centre position from original position at push rod 30, elastic component 34 will be gradually reduced, when moving back that card is finished and when no longer force side 301 being applied external force, push rod 30 will be subjected to the elastic force effect of elastic component 34 and counter motion, because first stroke, 10 ends of guide channel 311 have suitable terrace structure, as shown in Figure 6, therefore, the guide posts 320 of sliding part 32 can enter the second place 3111 of guide channel 311 smoothly, and this moment, trip mechanism 1 mediated.

When trip mechanism 1 mediates, the force side 301 that just can push push rod 30 when treating next time need move back card under the situation usually, make the second place 3111 of sliding part 32 self-conductance approaching channels 311 get back to primary importance 3110 via second stroke 11, even push rod 30 is got back to original position, and then push the force side 301 of push rod 30 and the action that makes trip mechanism 1 repeat first stroke 10 is finished and moved back card.In this second stroke 11, the pushing end 321 of sliding part 32 is not exposed to beyond the contact-making surface 304 of push rod 30, this moment, electronic cards was if insert in the connector, make trace 40 counter motions and make its end 400 of conflicting move on to the vicinity, recess 3031 position of accepting groove 303 along contact-making surface 304 trends, yet owing on the end 400 of conflicting, be provided with protuberance 401 and this protuberance side is formed with breach 402, how end is near the side position that extends this recess 3031 even therefore conflict, the conflict end 400 of trace 40 also can not cover the recess 3031 of this push rod 30 all the time, so, treat to move back card next time and when pushing push rod, the sliding part 32 that is under first stroke can expose its pushing end 321 from recess smoothly, and then effectively finish it and move back card motion (Fig. 7 reference).

In addition, before electronic cards is not inserted connector again, push rod 30 may be pressed earlier and get back to original position, at this moment, as shown in Figure 8, the conflict end 400 of trace 40 and the guide end 302 of push rod 30 are with separated by a distance and when promoted push rod or insert electronic cards again next time, both had inconsistent and stuck possibility.Yet trip mechanism of the present utility model has extended at end 400 places of conflicting and has been provided with protuberance 401, and that borrows can overcome aforesaid distance and keep reclining with the contact-making surface 304 of push rod 30 all the time.When inserting electronic cards again, electronic cards promotes card ejection 42 and promotes trace 40 under the opposite direction motion of electronic cards direction of insertion via lever 41, because the protuberance 401 of trace 40 reclines mutually with the contact-making surface 304 of push rod 30, the motion of trace 40 at this moment will can not make its end 400 of conflicting touch with end 3020 generations of push rod 30 and make its motion steady and smooth, and then make the insert action of electronic cards smooth.

Claims

1. the trip mechanism of an electronic card coupler, it comprises: initiative part and follower, wherein initiative part comprises and accepts external force with push rod that driving action is provided and with pushrod movement and can produce sliding part with respect to the change in location of push rod in this movement travel, wherein this push rod is provided with contact-making surface, and sliding part is provided with pushing end, in drive push rod with the process of moving back card in the pushing end of sliding part protrude from outside the push rod contact-making surface; Follower comprises and interconnects device trace and card ejection together, and it can bear the inertia ejection of sliding part outside the sliding part pushing end is exposed the push rod contact-making surface time and the interlock card ejection moves back card motion to reach; It is characterized in that: the conflict of trace holds a side to convex with the protuberance of suitable length, and it can remain with the contact-making surface of push rod and recline.

2. the trip mechanism of electronic card coupler as claimed in claim 1, it is characterized in that: the protuberance side of trace is provided with breach.

3. the trip mechanism of electronic card coupler as claimed in claim 1, it is characterized in that: initiative part is equiped with pedestal in the adjacent side of push rod contact-making surface, this pedestal one end is provided with the stop section, and it is provided with guide channel with side that push rod is assembled mutually, this guide channel has the primary importance and the second place so that move back before the card with move back card after push rod be on the corresponding original position and centre position.

4. the trip mechanism of electronic card coupler as claimed in claim 3 is characterized in that: the terrace structure that is provided with appropriate depth between the primary importance of the guide channel of pedestal and the second place.

5. the trip mechanism of electronic card coupler as claimed in claim 1, it is characterized in that: push rod has force side and guide end, this guide end be provided with the end foremost, and in the parallel reference column that is provided with of end side with contact-making surface.

6. the trip mechanism of electronic card coupler as claimed in claim 5, it is characterized in that: initiative part further comprises an elastic component, and the one end is installed on the reference column of push rod, and its other end then is resisted against on the stop section of pedestal.

7. the trip mechanism of electronic card coupler as claimed in claim 5 is characterized in that: be provided with accepting groove between push rod force side and the guide end, in order to ccontaining sliding part, and be provided with a shell fragment between sliding part and accepting groove.

8. the trip mechanism of electronic card coupler as claimed in claim 7, it is characterized in that: this accepting groove connects with the push rod contact-making surface by a recess.

9. the trip mechanism of electronic card coupler as claimed in claim 1, it is characterized in that: after pedestal and the push rod combination, can on other side of its noncontact face, coat a metal shell, and the edge of this housing is provided with plural interference part, whole initiative part can be fixed on the connector matrix.