CN2549609Y

CN2549609Y - Memory card rejector

Info

Publication number: CN2549609Y
Application number: CN02234782U
Authority: CN
Inventors: 陈柏苍
Original assignee: XUANDE CO Ltd
Current assignee: XUANDE CO Ltd
Priority date: 2002-05-17
Filing date: 2002-05-17
Publication date: 2003-05-07
Anticipated expiration: 2012-05-17

Abstract

The utility model relates to a memory card rejector which is connected with a terminal seat of the memory card. The rejector is characterized in that one seat cover is combined with one side face of the terminal seat; one side of the seat cover is provided with a clipping part which is fixed with a key-press bearing; the key-press bearing is connected with a telescopic pressing key, the side at the front end of the pressing key is provided with a guide trough in a heart shape circulation; the key-press seat is provided with a hook which stretches into and moves in the guide trough, thus the stretching length of the key-press seat and the pressing key are changeable. The central section of the seat cover is provided with a supporting arm, one end of the supporting arm is provided with a blocking part while the other end is provided with an elastic contacting sheet; when the memory card is inserted, the supporting arm is pushed to rotate, and the other end of the supporting arm is contacted with the bottom face of the pressing key when being pressed by the elastic contacting sheet, at that moment, the pressing key is withdrew and bounced to be embedded into the end part. The central section of the key-press seat is provided with an inclined face and conduct the opposite contacting part of the pressing key, so that when the pressing key and the key-press seat are contracted, the front end of the pressing key is locked with the end part of the supporting arm, therefore, the pressing key can not be withdrew; when the pressing key is withdrew, the re-press on the pressing key can force the pressing key to the turning supporting arm and the blocking part, thus, the memory card is reversely pushed and withdraws from the terminal seat. The rejector has good practicability.

Description

The retreat-card device of memory card

Technical field

The utility model relates to a kind of memory card connector, particularly a kind of retreat-card device of memory card.

Background technology

The retreat-card device of general known memory card, simpler and easy, it is directly to preset a pivotable driving lever on memory card connector, but in an end interlock one push rod of this driving lever, the other end of driving lever then is provided with a stop section and can contacts with memory card, utilizes pushing of memory card and the pivot driving lever, push rod is outwards ejected, also can be by pushing push rod, and the pivot driving lever withdraws from memory card, to reach the control of basic memory card card in/out; Yet this kind moves back card control mechanism, when it inserts in memory card, the push rod of Gong pushing can outwards eject and be raised in outside the memory card connector, except that influencing its integral body attractive in appearance, the push rod position of projection also can form the obstruction of operational motion, even the misgivings of false touch are arranged.

For improving above-mentioned critical defect, application case number No. 86212162 (U.S. Patent number: 6030238) just like the Taiwan patent, No. 86216886 (U.S. Patent number: 6059587), 6162075) etc. No. 88211060 (U.S. Patent number: the patent case produces, mostly the disclosed structure of these patents is in the driving lever of the above-mentioned basic and synchronous interlock of memory card, outside the device such as push rod, other is provided with a guiding telescoping mechanism that the pushrod movement track is provided, provide push rod one vacation to push (memory card is withdrawed from) action by this guiding telescoping mechanism, make this push rod can take in the memory card connector, every shortcoming of avoiding above-mentioned push rod end evagination to be caused, but even so, in the disclosed structure of above-mentioned each case, when it inserts in memory card, still can't avoid to make push rod outwards to eject and (and need push push rod in addition once, just can make in the push rod income connector), still be difficult to reach the convenience in certain use.

Because known common memory card trip mechanism has above-mentioned shortcoming, this creator has generation of the present utility model finally at the road of those shortcoming research improvement.

Summary of the invention

The utility model is the retreat-card device that a kind of memory card will be provided, and pressing key can not eject and causes and use inconvenience and the simple technical problem of the structure of signing an undertaking when making memory card insertion end stroma with solution.

It is such solving the problems of the technologies described above the technical scheme that is adopted:

A kind of retreat-card device of memory card mainly is incorporated on the memory card terminal base, it is characterized in that: comprise at least:

One flap, it is a side that is incorporated into terminal base, its stage casing is pivoted with a support arm, one end of this support arm is provided with the stop section of a vertical bending, this stop section promotes with the memory card of insertion end stroma and makes this support arm form a pivot, the end in addition of support arm is provided with a protuberance, be respectively equipped with a salient point and a protruding elasticity of sticking up that supplies the block support arm to make it to stop to pivot in the stop section with the protuberance side on this flap and support sheet on identical pivotal path, this elasticity is supported the protuberance end that sheet then can be resisted against support arm, and making it prying, this flap is provided with a chuck portion in facing the avris of elasticity to sheet again;

One key base, be to combine the location in the chuck portion inlay card of flap and with flap, one end inner transverse of this key base convexes with one and can supply pivot overlap the protruding axle of a hook, be provided with a shell fragment that sticks up to the stage casing song in this protruding next to axis side and be resisted against this hook, the stage casing is then to other the distolateral inclined-plane that is provided with in the key base, the end on this inclined-plane is provided with a stop section, and these stop section central authorities protrude out a protruding pin for a sheathed spring in addition;

One pressing key, be provided with the extension that to stretch in this key base in a side, this stage casing, extension is provided with the hollow-out parts of a up/down perforation, ccontaining this of this hollow-out parts is set in the spring of protruding pin on the key base, and form an elasticity and replace, and the end, extension is provided with one for being hubbed at the guiding conduit that the hook on the key base stretches in the hollow-out parts side, this hook is in guiding the conduit slippage and colluding each anchor point that is held in the guiding conduit, this key base and pressing key form the telescopic variation of different length, the relative position of guiding pressing key, inclined-plane with the key base stage casing, this key base and pressing key are under relative contraction state, this pressing key front end forms the action that presses down, this pressing key can not withdraw from when memory card inserts, and make it to stretch out under the key base state in pressing pressing key, its front end can be embedded in the protuberance of support arm, then pushes against the pivot support arm and withdraws from terminal base with the reverse pushing and pressing memory card in the stop section of other end;

The guiding conduit of this pressing key is slightly to be a heart, its central authorities are provided with one second dead point, by this second dead point respectively via the high plane of a tool ladder height difference, the low V-shaped extension of plane, this low plane is transferred through one and is provided with one second breakover point in the end of extending, and oppositely extend to another high plane through a rising ramp by second breakover point, the high plane that extend at this second dead point is then directly established one first breakover point in extending the end, oppositely transfer through the rising ramp linking one low plane that communicates with high plane by first breakover point, and form a first dead center in the extension end of low plane, by each height, the difference in height of low plane, cooperate the shape of guiding conduit and the guiding of each rising ramp, the unidirectional slippage in the guiding conduit of this hook, and in first, two dead points formation one is colluded and is held, and forms collapsing length between this key base and pressing key and changes;

The extension of this pressing key is provided with a concave surface that caves in addition in the dorsal part of guiding conduit, and the protuberance of this support arm is subjected to elasticity to support that sheet supports to arrive in and bullet sticks up and fit with pressing key;

The front end of this extension is provided with a depression breach in order to the protuberance clip that pushes against support arm;

The hollow-out parts of this pressing key is provided with in the central authorities of end in addition that face the guiding conduit and extends internally so that spring end stretches into the slotted eye of location.

The utility model mainly is that the side in a flap is provided with a chuck portion, for embedding folder location one key base, the pressing key that but other stretches in conjunction with a relative resilient with this key base, this pressing key is provided with one in the front end side and slightly is the heart-shaped guiding conduit that circulates, then be provided with a hook on the key base relatively, utilize this hook to stretch into this guiding conduit slippage, can make key base, pressing key produces relative collapsing length to be changed, and flap and be provided with a support arm in its stage casing, one end of this support arm is provided with a stop section, the below of end in addition of support arm is provided with an elasticity and supports sheet, make this support arm be subjected to memory card to insert pushing and pressing and when pivoting, this support arm in addition end then can be subjected to elasticity to support that sheet is replaced and bullet sticks up and fits in this pressing key bottom surface, and when withdrawing from, pressing key upsprings and chimeric with its end, pressing key can not withdraw from when reaching memory card insertion end stroma, and in pressing when pushing once again after pressing key makes it to withdraw from, and then can push against the pivot support arm and withdraws from terminal base with the reverse pushing and pressing memory card in the stop section of other end; Be provided with an inclined-plane in the stage casing of key base in addition, utilize this inclined-plane guiding pressing key position of contact relatively, when pressing key and key base are shunk, this pressing key front end forms the sliding path that descends, be beneficial to the arm end clip of pressing key front end and this bullet perk, can not eject and cause and use inconvenience thereby solved when making memory card insertion end stroma pressing key, and the simple technical problem of the structure of signing an undertaking.

The utility model is simple in structure, is when memory card inserts, and its pressing key that moves back card can outwards not eject, to avoid causing the inconvenience in the use, and can be required and push this pressing key separately and make it to eject according to the user, for pushing this pressing key once more the outside bullet of memory card is moved back, and the tool practicality.

Description of drawings

Fig. 1 is the complete structure decomposing schematic representation of the utility model and related elements;

Fig. 2 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model;

Fig. 3 is the stereo appearance figure of the utility model and terminal base combination;

Complete three-dimensional combination schematic diagram when Fig. 4 is the utility model use;

Fig. 5 is the schematic appearance of key base of the present utility model, pressing key combination;

Fig. 6 is support arm and the related elements position view of the utility model when memory card does not insert;

Hook position view in the guiding conduit of pressing key when Fig. 7 is corresponding diagram 6 initial conditions;

Fig. 8 is support arm and the related elements position view of the utility model after memory card inserts;

Fig. 9 is a pressing key of the present utility model when being pressed on key base, and hook is position view in the guiding conduit;

Relevant position side cutaway view when Figure 10 is corresponding diagram 9 states;

Figure 11 is a pressing key of the present utility model when stretching outside the omnidirectional in key base, and hook is position view in the guiding conduit;

Position view when Figure 12 is the depression breach clip support arm of corresponding Figure 11 pressing key;

Relevant position side cutaway view when Figure 13 is corresponding Figure 12 state;

Figure 14 is the utility model is replaced the memory card exit status with the clip support arm in the pressing pressing key hook position view in the guiding conduit;

Figure 15 is support arm and the related elements position view of corresponding Figure 14.

Embodiment

As Fig. 1, shown in 2, can clearly find out, the utility model mainly comprises: flap 1, parts such as key base 2 and pressing key 3, wherein the position, stage casing of flap 1 is pivoted with a support arm 11, one end of this support arm 11 is that bending is a stop section 111, the other end then is to form a protuberance 112 (as shown in Figure 6), flap 1 is in the side of this stop section 111 and be provided with a salient point 12,112 sides then are provided with a protruding elasticity of sticking up to sheet 13 to flap 1 in identical pivotal path in protuberance, flap 1 is provided with a chuck portion 14 in facing elasticity to sheet 13 avris again, key base 2 is one slightly to be the elongate body of ㄇ shape section, one end inside convexes with a protruding axle 21, can supply sheathed one pivotable hook 211, stick up a shell fragment 22 in these protruding axle 21 sides to the stage casing song and be resisted against this hook 211, the stage casing is then to other the distolateral inclined-plane 23 of establishing in the key base 2, the end on this inclined-plane 23 is provided with a stop section 231, also outwards protrude out a protruding pin 24 by this stop section 231, can supply a sheathed spring 34, pressing key 3 is to establish a press section in 31 ends, an extension, the stage casing of this extension 31 is provided with the hollow-out parts 311 of a up/down perforation, be provided with the guiding conduit 32 that a circulation is extended in these hollow-out parts 311 sides, and this extension 31 is provided with a concave surface that caves in 35 in addition in the dorsal part of this guiding conduit 32, again the extension end of extension 31 and be provided with one the depression breach 33, and this hollow-out parts 311 is provided with the slotted eye 312 that extends internally in an end that faces the press section (end in addition of guiding conduit 32), being provided with a plurality of terminals 41 in the terminal base 4 stretches out, 5 of memory cards can be stretched into by a side of terminal base 4, and are formed with terminal 41 by default jack and to be electrically connected.

As Fig. 3,4, shown in 5, when making up as can be known, pressing key 3 is to insert key base 2 stage casings with extension 31, and wearing a spring 34 with protruding pin 24 is resisted against in the slotted eye 312 of pressing key 3, make

key base

2,3 of pressing keys form an elasticity and support to arrive in, the hook 211 that is hubbed at protruding axle 21 this moment embeds in the guiding conduit 32 of pressing key 3 with the end, utilize the slippage in guiding conduit 32 of this hook 211, and cooperate spring 34 to support to arrive in, can make key base 2, forming different collapsing lengths between the pressing key 3 changes, and key base 2 is to stretch in the chuck portion 14 of flap 1, and located by clip, flap 1 is that combination is positioned a side of terminal base 4 again, and each terminal 41 is positioned on the stop section 111 end pivotal path of support arm 11.

As Fig. 6, shown in 7, the guiding conduit 32 of this pressing key 3 is slightly to be a heart, its central authorities are provided with one second dead point 3241 (as shown in Figure 9), by this second dead point 3241 respectively via the high plane 323 of a tool ladder height difference, low plane 324 V-shaped extensions, wherein this low plane 324 is transferred through one and is provided with one second breakover point 3242 in the end of extending, oppositely extend through a rising ramp 325 to one high planes 326 by this second breakover point 3242, this high plane 323 is then directly established one first breakover point 3231 in extending the end, oppositely transfer through a rising ramp 322 linking one low planes 321 that communicate with high plane 326 (321 tool one differences in height of this high plane 326 and low plane) by this first breakover point 3231, and form a first dead center 3211 in the extension end of low plane 321; When memory card 5 was not in the insertion end stroma 4, pressing key 3 kept separating not state of contact with the protuberance 112 of support arm 11, and at this moment, hook 211 is to collude to be held in second dead point 3241.

Consult shown in Figure 8 simultaneously, when in the memory card 5 insertion end stromas 4 time, also replace the stop section 111 of support arm 11 and make and hold protuberance 112 reverse shuffle in addition, crooked and elasticity fits in the concave surface 35 of pressing key 3 until being subjected to elasticity to support that sheet 13 is replaced, and this moment, pressing key 3 did not have any locational variation (outwards ejecting).

Consult again shown in Fig. 9,10, as can be known if when memory card 5 is withdrawed from, only need push pressing key 3, make hook 211 slide onto second breakover point 3242 (because of low plane 324 and high plane 323 tool differences in height through low plane 324, so hook 211 can't slide to high plane 323), this moment 3 of key base 2, pressing keys section as shown in figure 10 because pressing key 3 is to compress inwardly to shrink in key base 2, make protuberance 112 still keep fitting in the state of concave surface 35.

Please consult Figure 11 simultaneously, 12, shown in 13, work as pressing key 3 as can be known by this Fig. 9, when the pressed state shown in 10 discharges, by key base 2, spring 34 elasticity that pressing key is 3 support to arrive in, make hook 211 via rising ramp 325 paramount planes 326, and fall within low level face 321 for 326 times and be positioned first dead center 3211 (as shown in figure 11) by high plane, pressing key 3 by key base 2 in to outside protrude out in, the also 23 downward slippages (as shown in figure 13) of hollow-out parts 311 front end faces of pressing key 3 along the inclined-plane, separate with protuberance 112 until concave surface 35, at this moment, support arm 11 is subjected to elasticity to support sheet 13 to replace and protuberance 112 bullets are stuck up in depression breach 33 the place aheads (as shown in figure 12) and form clip.

See also Figure 14 again, shown in 15, after protuberance 112 clips of this support arm 11 are on the depression breach 33 of pressing key 3 front ends, push pressing key 3 once again, can push against support arm 11 pivot (, as shown in figure 15) oppositely withdraw from terminal base 4 with stop section 111 pushing and pressing memory cards 5, this moment, hook 211 slid onto high plane 323 along rising ramp 322, and be directed to first breakover point 3231, when memory card 5 withdraws from terminal base 4 and the user gets loose after the pressing key 3, elastic force by spring 34 supports to arrive in, can make hook 211 directly by high plane 323 to falling into second dead point 3241 (as shown in Figure 7), and return back to original initial state as shown in Figure 6.

The above only is a preferred embodiment of the present utility model, is not to be used for limiting the model figure that the utility model is implemented.Be allly to apply for a patent equalization that model figure done according to the utility model and change and modify, be all the utility model claim and contain.

In sum, the retreat-card device of memory card of the present utility model have really simple structure, memory card when inserting pressing key can outwards not eject and cause awkward effect, and it is not seen in public use, the regulation that meets utility application is so propose utility application in accordance with the law.

Claims

1, a kind of retreat-card device of memory card mainly is incorporated on the memory card terminal base, it is characterized in that: comprise at least:

One pressing key, be provided with the extension that to stretch in this key base in a side, this stage casing, extension is provided with the hollow-out parts of a up/down perforation, ccontaining this of this hollow-out parts is set in the spring of protruding pin on the key base, and form an elasticity and replace, and the end, extension is provided with one for being hubbed at the guiding conduit that the hook on the key base stretches in the hollow-out parts side, this hook is in guiding the conduit slippage and colluding each anchor point that is held in the guiding conduit, this key base and pressing key form the telescopic variation of different length, the relative position of guiding pressing key, inclined-plane in its key base stage casing, this key base and pressing key are under relative contraction state, this pressing key front end forms the action that presses down, this pressing key can not withdraw from when memory card inserts, and make it to stretch out under the key base state in pressing pressing key, its front end can be embedded in the protuberance of support arm, then pushes against the pivot support arm and withdraws from terminal base with the reverse pushing and pressing memory card in the stop section of other end.

2, the retreat-card device of memory card according to claim 1, it is characterized in that: the guiding conduit of this pressing key is slightly to be a heart, its central authorities are provided with one second dead point, by this second dead point respectively via the high plane of a tool ladder height difference, the low V-shaped extension of plane, this low plane is transferred through one and is provided with one second breakover point in the end of extending, and oppositely extend to another high plane through a rising ramp by second breakover point, the high plane that extend at this second dead point is then directly established one first breakover point in extending the end, oppositely transfer through the rising ramp linking one low plane that communicates with high plane by first breakover point, and form a first dead center in the extension end of low plane, by each height, the difference in height of low plane, cooperate the shape of guiding conduit and the guiding of each rising ramp, the unidirectional slippage in the guiding conduit of this hook, and in first, two dead points formation one is colluded and is held, and forms collapsing length between this key base and pressing key and changes.

3, the retreat-card device of memory card according to claim 1 is characterized in that: the extension of this pressing key is provided with a concave surface that caves in addition in the dorsal part of guiding conduit, and the protuberance of this support arm is subjected to elasticity to support that sheet supports to arrive in and bullet sticks up and fit with pressing key.

4, the retreat-card device of memory card according to claim 1 is characterized in that: the front end of this extension is provided with a depression breach in order to the protuberance clip that pushes against support arm.

5, the retreat-card device of memory card according to claim 1 is characterized in that: the hollow-out parts of this pressing key is provided with in the central authorities of end in addition that face the guiding conduit and extends internally so that spring end stretches into the slotted eye of location.