CN100594637C - Connector for electronic card - Google Patents

Abstract

The invention relates to an electronic card connector which comprises an insulative body, a shadowing shell assembled on the insulative body, a terminal module and a card accommodating space formed bythe insulative body and the shadowing shell, wherein, the terminal module comprises a main body part and a plurality of first conductive terminals stretching into the accommodating space; the insulative body is provided with a second conductive terminals which comprise tail parts connected with a circuit board, installation parts arranged in the insulative body and contracting parts which stretchfrom the installation parts and suspend in the accommodating space, wherein, the main plate part of the terminal module is provided with a protection device which can prevent the front end of the second conductive terminals from damage when the electronic card is plugged in and the protection device is arranged in front of the top end of the contacting part of the second conductive terminals correspondingly.

Description

Electronic card coupler

[technical field]

The present invention relates to a kind of electronic card coupler, relate in particular to and a kind ofly can effectively protect conducting terminal and electronic card coupler easy to assembly.

[background technology]

Flash memory has just had charming characteristics such as calculation function is strong, speed is fast, expandability is high, high storage density since coming out, because flash memory has above all multi-functional and characteristics, just have relevant dealer to utilize flash memory and develop all types of electronic cards, as the electronic cards of specifications such as mmc card, SD card, MS card, CF card, XD card.Many digital consumer products as mobile phone, digital camera, camcorder and PDA etc., have more and more stronger dependence to this type of electronic cards.Because semiconductor technology progresses greatly day by day at present, the storage density of flash memory and transmission speed have the growth of advancing by leaps and bounds especially, make that electronic cards will be used to directly replace traditional Storage Medias such as rigid disk by this in the products such as mobile computer, desktop PC and auto electronic class.Because the development that electronic cards is advanced by leaps and bounds, thereby its corresponding card connector that uses is also with increase in demand.

General card connector comprises the insulating body of accommodating plurality of conductive terminals and installs shielding casing on insulating body, this insulating body and shielding casing are built into the receiving space of accommodating electronic cards jointly, insert by electronic cards and reach the purpose that electronic cards and card connector electrically contact in the receiving space.Because of the specification difference of various electronic cards, its apparent size and shape are also variant, and the electronic cards of different size must be plugged in the particular form card connector that is complementary with its external form, to realize electrically conducting of electronic cards and card connector.Therefore, must be provided with multiple multi-form card connector in circuit board, to reach the purpose that matches with different electronic cards.Yet this mode makes card connector take the mainboard space to be increased, and then causes the electronic equipment volume to increase, and is unfavorable for electronics miniaturization.

At above problem, just there is the dealer to design a kind of electronic card coupler of the multiple different size electronic cards of pegging graft, it takes up room little and uses more convenient.Xiang Guan prior art can be consulted Chinese utility model to announce No. 2687868 patent shown in Figure 5 therewith, the electronic card coupler that it disclosed mainly comprises shielding casing 1, insulating body 2 and terminal module 3, wherein the roof 23 of insulating body 2 is provided with first support slot 2323 and second support slot 2324 that is " protruding " shape, the installation portion of long first conducting terminal 32 that terminal module 3 is settled is immobilizated in respectively in first support slot 2323 and second support slot 2324, the installation portion of the second short conducting terminal 33 is immobilizated in first support slot 2323, by these support slots first conducting terminal 32 and second conducting terminal 33 is fixed in the roof 23 of insulating body 2.

Yet, the conducting terminal front end hovering of this kind electronic card coupler is in the card receiving space, when electronic cards is inserted, at first the conflict front end of conducting terminal of electronic cards, make it that strain upwards take place and then reach the purpose that electrically contacts with electronic cards, to cause the front end of conducting terminal impaired if the electronic cards insertion force is excessively fierce this moment, and then influence it and contact with the effective of electronic cards.In addition, when described conducting terminal is assembled, it is assembled in aforementioned " protruding " shape support slot by the mode correspondence of inserting, and deformation more carefully and easily takes place in conducting terminal, and then cause practical operation more loaded down with trivial details, and the roof of insulating body is provided with these " protruding " shape support slots, has strengthened its mould manufacture difficulty.

[summary of the invention]

The problem to be solved in the present invention provides a kind ofly to be had protective device and can prevent the electronic card coupler that conducting terminal is impaired, when this protective device is positioned at the front end of conducting terminal and then avoids electronic cards to insert conducting terminal is damaged.

Another problem to be solved by this invention provide a kind of terminal module and shielding casing easy to assembly, and the simple electronic card coupler of mould manufacturing.

In order to solve the problems of the technologies described above, the present invention has adopted a kind of like this electronic card coupler, it comprises insulating body, is mounted on shielding casing, terminal module on the insulating body and the card receiving space that is formed by insulating body and shielding casing establishment, and wherein terminal module comprises main part and some first conducting terminals that protrudes in the receiving space; Insulating body is provided with second conducting terminal, and this second conducting terminal comprises the afterbody that is connected with circuit board, install the installation portion in insulating body and extend to form the contact site of hovering in the card receiving space from installation portion; Shielding casing is provided with buckling piece, and terminal module is provided with the buckle slot that corresponding button with this buckling piece is held; The main board portion of wherein said terminal module is provided with the protective device that in the time of can preventing the electronic cards insertion the second conducting terminal front end is damaged, and this protective device correspondence is located at the place ahead, contact site top of second conducting terminal.

Compared to prior art, electronic card coupler of the present invention has following effect: it is by being provided with protective device in the place ahead, conducting terminal top on the terminal module, when electronic cards is inserted, this protective device floats electronic cards, and guide its insertion, and then can prevent that itself and conducting terminal top from colliding and conducting terminal is damaged; In addition, it matches by the buckling piece that is provided with on the buckle slot that is provided with on the terminal module and the shielding casing and terminal module is mounted in the insulating body, and it is simple in structure and easy to assembly, and the mould manufacturing is simple.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of electronic card coupler of the present invention.

Fig. 2 is the stereogram of electronic card coupler shielding casing of the present invention and terminal module.

Fig. 3 is electronic card coupler shielding casing of the present invention and terminal module three-dimensional assembly diagram.

Fig. 4 is an electronic card coupler stereogram of the present invention.

Fig. 5 is the exploded view of electronic card coupler Fig. 1 trip mechanism of the present invention.

Fig. 6 and Fig. 8 are the phantom of electronic card coupler trip mechanism of the present invention.

Fig. 7 and Fig. 9 are the stereogram of electronic card coupler trip mechanism of the present invention.

[embodiment]

Below, will introduce the embodiment of electronic card coupler 100 of the present invention in conjunction with Fig. 1 to Fig. 9 in detail.Electronic card coupler 100 of the present invention mainly comprises shielding casing 1, be mounted on terminal module 2, insulating body 3 on the shielding casing 1, be placed in some second conducting terminals 5 in the insulating body 3, be built into by shielding casing 1 and insulating body 2 be used to accommodate the card receiving space 6 of different electronic cards and be respectively applied for first trip mechanism 4 that withdraws from different electronic cards and second trip mechanism 4 '.

See also Figure 1 and Figure 2, shielding casing 1 comprises some sidewalls 11 that main part 10,10 bendings of autonomous body extend to form, be used for this shielding casing 1 is welded in the front side of the leg portion 12 on the circuit board, autonomous body 10 and rear side a pair of containing portion 16 (shown in Figure 2) that extend to form of the alar part 14,15 that extends to form of bending downwards and the bending of autonomous body 10 rear ends respectively.The middle position that wherein is positioned at main part 10 forms an opening 102, front end from opening 102 is formed with a pair of buckling piece 103 that protrudes in this opening 102 to receiving space 7 inner bendings and edge with electronic cards direction of insertion horizontal-extending, be provided with a lug 105 between this is to buckling piece 103, the place ahead of corresponding buckling piece 103 is provided with the flexure strip 104 that a subtend receiving space 6 sunken insides are used for further pushing the applying electronic cards.Be positioned at a side-walls of peristome 102 rear sides and contiguous this shielding casing 1, autonomous body 10 vertically extends to form a rectangular card 101 to receiving space 6 inner bendings, and some sidewalls 11 and leg portion 12 are respectively equipped with location hole 110 and 120.

Please continue to consult Figure 1 and Figure 2, terminal module 2 mainly comprises a main board portion 20 and is fixed in some first conducting terminals 21 in this main board portion 20, the contact corresponding with SD card (Secure DigitalMemory Card) or mmc card (Multi Media Card) of these conducting terminals to be to reach the purpose of signal transmission, and wherein these first conducting terminals 21 (shown in Figure 2) comprise the contact site 210 that protrudes into the interior and corresponding contact with electronic cards of card receiving space 6, be installed in the main board portion 20 installation portions (not label) and outside installation portion extends main board portion 20 and be the transversely arranged afterbody 211 that is connected with circuit board of being used for.

The main board portion 20 of terminal module 2 roughly is a rectangle, it mainly comprises the terminal accommodating through hole 201 of accommodating some first conducting terminal, 21 set contact sites 210 tops, be positioned at terminal accommodating through hole 201 front ends is used to guide the first guiding projection 203 that electronic cards is inserted, and this first guiding block 203 comprises the locating surface 2030 that a guide ramp 2031 and self-aiming inclined-plane 2031 horizontal-extendings form.Be provided with the buckle slot 202 of the buckling piece 103 corresponding buckles of aforementioned shielding casing 1, be provided with a depressed part 208 (shown in Figure 1) of holding with lug 105 buttons of shielding casing 1 to 202 of buckle slots and with its opposing face in these guiding block 203 front ends in this.Be provided with an accepting groove 209 in terminal accommodating through hole 201 rears, these accepting groove 209 leading edge places are formed with some second guiding blocks 2090, and these guiding blocks 2090 comprise the guiding plane (not label) that guide ramp 2091 and self-aiming inclined-plane 2091 horizontal-extendings form respectively.Extend to form a protuberance 206 from main board portion 20 1 front ends, protruded out reference column 207,204 in this protuberance 206 and both sides, main board portion 20 rear end correspondence.One lateral margin place of main board portion 20 is provided with the rectangular card 101 corresponding slits 205 that the main part 10 with shielding casing 1 is provided with.

See also shown in Figure 1, insulating body 3 comprises that one is penetrated with the base portion 30 of some second conducting terminals 5 and extracts a pair of ennation 31 that direction extends to form along electronic cards respectively from base portion 30 two ends, wherein each ennation 31 be respectively equipped with a short slot 311 and 311 ', be respectively equipped with the corresponding holddown groove 314 and 315 of alar part 14,15 of a pair of and described shielding casing 1 in this short slot 311,311 ' the place ahead and rear, be respectively equipped with in short slot 311,311 ' rear horizontally extending cylinder 312,312 ', wherein the contiguous short slot of an ennation 311 places are provided with a protruding end 316.The reference column 204 of base portion 30 two ends corresponding terminal modules 2 forms a pair of location hole 301, is provided with and reference column 207 corresponding positioning hole 313 in short slot 311 ' the place ahead simultaneously.Second conducting terminal 5 comprises the afterbody (not shown) that is used for being connected with circuit board, the contact site (not label) that is immobilizated in the installation portion (not label) in the aforementioned base portion 30 and is used for contacting with electronic cards, and described contact site front end correspondence protrudes in the set accepting groove 209 of aforementioned terminal module 2.

Please continue to consult Fig. 1 and shown in Figure 5, first trip mechanism, 4 correspondences are installed in the set short slot 311 of insulating body 3; Second trip mechanism, 4 ' correspondence be installed on short slot 311 ' in.Wherein first trip mechanism 4 comprises slide block 40, is mounted on locker 43, the elastic parts 41 in the slide block and is located at slide bar 42 (Fig. 5) in the heart type groove (not label) in slide block 40 outsides, and wherein slide block 40 comprises and one is connected piece 401, is located at the interface 402 that is connected with electronic cards on this linking piece 401 and is used to accommodate the fixed groove 403 of locker 43; Elastic parts 41 1 ends are placed in the rear end of slide block 40, and the other end is fixed on the cylinder 312 of insulating body 3 settings; Slide bar 42 corresponding SD card or mmc card plug/unplug and slide in described heart-shaped groove along the CB/BC direction; Locker 43 comprise the installation portion 432 that is fixed in the described slide block 40, with described insulating body 3 on the inconsistent elastic portion 433 in the protruding end that is provided with 316 reach latch part 431 with the solid lock groove 81 corresponding snap closes of electronic cards.

See also Fig. 5 to shown in Figure 7, in the time of in SD card or mmc card insert receiving space, the pin portion of its setting (not label) is connected mutually with the interface 402 of slide block 40, be positioned at preload position, the elastic portion 433 of locker 43 is subjected to the protruding end 316 of insulating body 3 settings to compress distortion and is contained in the fixed groove 403 at this moment, and the internal face of the front end of its latch part 431 and insulating body 3 is positioned at same plane; Further electronic cards is pushed, it promotes slide block 40, simultaneously slide bar 42 slides to the B place by preload position C place along the direction of CB, the position of slide block 40 is moved and is made the elastic portion 433 of locker 43 break away from compressing of projecting part 316 and restore to the original state, thereby make its latch part 431 be contained in the snap close groove 81 interior (Fig. 8 and shown in Figure 9) that electronic cards one sidewall is provided with, and then the electronics fixing is locked in the card receiving space from fixed groove 403 interior ejections and the correspondence that insulating body 3 is provided with.

When electronic cards is withdrawed from, the same electronic cards that promotes, slide block 40 is moved, drive slide bar 42 is slided to the C place along the direction of BC by the B place preload position simultaneously, locker 43 moves to preload position (Figure 6 and Figure 7) with slide block 40, and its elastic portion 433 is owing to the compressive strain that offsets of the projecting part 316 of insulating body 3 is contained in the snap close groove 403 it again, and latch part 431 is withdrawn in the snap close groove of electronic cards, and then electronic cards is promoted by slide block 40 and withdraws from the card receiving space.

See also shown in Figure 1, second trip mechanism 4 ' comprise slide block 40 ', be mounted on slide bar 42 in the heart type groove (not shown) of slide block 40 ' setting ' and elastic parts 41 ', wherein elastic parts 41 ' one ends are mounted on slide block 40 ' rear end, the other end be fixed in the cylinder 312 that insulating body 1 is provided with ' on, this slide bar 42 ' corresponding MS card in the heart-shaped groove of slide block 40 ' lateral wall (Memory Stick Card) plugs and slides, same as the prior art and the non-invention emphasis of the present invention because of this trip mechanism operation principle is not so do detailed description at this.

See also shown in Figure 3ly, terminal module 2 is assembled in formation in the space that the some sidewalls of shielding casing 1 constitute and is coated on cladding system 7 on the insulating body.When terminal module 2 is assembled in the shielding casing 1, terminal module 2 inserts in the shielding casing 1 after direction shown in the A among the figure tilts an angle, make be positioned at terminal module 2 front ends buckle slot 202 just with shielding casing 1 on the buckling piece 103 corresponding fastenings of setting, the lug 105 that is positioned at 103 settings of depressed part 208 and buckling piece of buckle slot 202 opposing faces simultaneously cooperates fixing (shown in Figure 4), after this rear end with terminal module 2 presses down, make the card 101 on the shielding casing 1 pass the slit 205 that terminal module 2 is provided with, and then terminal module 2 is fixed in the determined space of some sidewalls of shielding casing 1, by this main board portion 20 of terminal module 2 and the main part 10 of shielding casing 1 are fitted tightly.

See also Fig. 1 to shown in Figure 5, during assembling, at first with the short slot 311 and 311 of first trip mechanism 4 and second trip mechanism 4 ' be assembled in respectively 3 liang of ennations 31 of insulating body ' in, after this assembling finishes, the cylinder 312 on the insulating body 3 is passed in elastic parts 41 rear ends of first trip mechanism 4, in the heart-shaped groove (not label) thereon of slide bar 42 1 end positions on it, the other end is fixed in the slit (not label) of short slot 311 front ends; In like manner second trip mechanism 4 ' elastic parts 41 ' rear end pass the cylinder 312 of insulating body 3 inboards ', slide bar 42 ' one ends are positioned at its outside heart-shaped groove (not label), the other end is fixed in the slit (not shown) of 311 ' front end of short slot.

Cladding system 7 (shown in Figure 3) is moved to insulating body 3 tops after the above-mentioned assembling, and along direction shown in Fig. 4 B described combining structure is from up to down aligned and to place insulating body 3 tops, make the reference column 204 of terminal module 2, the 207 corresponding location holes 301 that insert insulating body 3, in 313, the alar part 14 of while shielding casing 1 both sides, plurality of fixed groove 314 on the ennation 31 of 15 corresponding insertion insulating bodies 3, in 315, further it is pressed down, the front end correspondence of second terminal 5 protrudes in the set accepting groove of terminal module 2 209 this second conducting terminal, 5 front ends and with its damage of conflicting when avoiding electronic cards to insert, the set location hole 110 of some sidewalls 11 of shielding casing 1 and leg portion 12 simultaneously, 120 with insulating body on some projections 310 corresponding buttons hold, formation can be accommodated the card receiving space 6 of different electronic cards, by above assembling mode, shielding casing 1 and terminal mould certainly 2 are immobilizated on the insulating body 3, and formation electronic card coupler 100 as shown in Figure 4.

Compared to existing electronic card coupler, electronic card coupler 100 of the present invention is contained in the front end of second conducting terminal 5 in it by the accepting groove 209 of terminal module 2 settings, when electronic cards is inserted, guide by the second set guiding block 2090 of its front end that electronic cards is stable to be inserted, and damage second conducting terminal 5 when avoiding electronic cards to insert; In addition, electronic card coupler 100 of the present invention at first is assembled in terminal module 2 on the shielding casing 1, secondly the combining structure of the two is from top to bottom pushed and is assembled on the insulating body 3 with this, this assembling mode is more convenient, and some first conducting terminals 21 are directly fixed in the terminal module 2, by terminal module 2 these first conducting terminals 21 are fixed on the shielding casing 1, avoid the conducting terminal of prior art to fix and conducting terminal is lost by the mode of inserting; And, through hole 201 front ends of accommodating of the terminal module 2 of electronic card coupler 100 of the present invention are provided with first guiding block 203, guide ramp 2031 that this first guiding block 203 is provided with and locating surface 2030 can guide equally that electronic cards is stable to be inserted, and then conducting terminal is impaired when avoiding electronic cards to insert; First trip mechanism 4 is provided with a locker 43, and it can be fixed in electronic cards in the card receiving space 6, prevent that electronic cards from inserting in the receiving space after come off in card receiving space 6 because this electronic card coupler 100 rocks.

It more than is better embodiment of the present invention, certainly, the accepting groove 209 that the terminal module 2 of electronic card coupler 100 of the present invention is provided with can be used to accommodate not only a kind of conducting terminal, and, the protection to it is realized in the place ahead that the present invention also can be only be located at second conducting terminal, 5 contact site tops by second guiding block 2090, and aforementioned accepting groove 209 need not be set; Or only be contained in it by the contact site top of accepting groove 209 with second conducting terminal 5, and second guiding block 2090 need not be set, can realize protection equally to second conducting terminal 5.Emphasis of the present invention prevents that in contiguous second conducting terminal 5 contact site tops protective device being set conducting terminal is impaired, and the present invention is example with the All-in-One electronic card coupler only, but is not limited only to this.

Claims (9)

1. electronic card coupler, the card receiving space that it comprises insulating body, is located at the cladding system on the insulating body and is formed by insulating body and cladding system establishment, wherein insulating body is provided with plurality of conductive terminals, and these conducting terminals comprise the afterbody that is connected with circuit board, install the installation portion in insulating body and extend to form the contact site of hovering in the card receiving space from installation portion; It is characterized in that: described cladding system is provided with protective device, and this protective device comprises some guiding blocks of being located on the cladding system, and these guiding block correspondences are located at the place ahead on contiguous conducting terminal contact site top.

2. electronic card coupler as claimed in claim 1 is characterized in that: described protective device further comprises the accepting groove of being located on the cladding system, and the contact site front end of conducting terminal protrudes in this accepting groove.

3. electronic card coupler as claimed in claim 1 is characterized in that: described guiding block comprises the guide ramp of guiding electronic cards insertion and the guiding plane that the self-aiming inclined-plane extends.

4. electronic card coupler as claimed in claim 1 is characterized in that: described cladding system comprises shielding casing and cooperates the terminal module of assembling with shielding casing that this terminal module is installed on plurality of conductive terminals.

5. electronic card coupler as claimed in claim 4 is characterized in that: described shielding casing is provided with buckling piece, and terminal module is provided with the buckle slot that corresponding button with this buckling piece is held.

6. electronic card coupler as claimed in claim 5 is characterized in that: described terminal module is provided with a depressed part, and shielding casing is provided with corresponding fixing lug with this depressed part.

7. electronic card coupler as claimed in claim 6 is characterized in that: described terminal module further is provided with some reference columns, and insulating body is provided with corresponding fixing location hole with these reference columns.

8. electronic card coupler as claimed in claim 7 is characterized in that: described shielding casing is provided with card, and terminal module is provided with the slit corresponding with this card.

9. electronic card coupler as claimed in claim 8 is characterized in that: described insulating body one side is installed on trip mechanism, and this trip mechanism group is provided with locker, and described locker comprises elastic portion, latch part and installation portion.

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