CN100372182C

CN100372182C - Eletronic card connector

Info

Publication number: CN100372182C
Application number: CNB031434444A
Authority: CN
Inventors: 张家祯
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2003-09-25
Filing date: 2003-09-25
Publication date: 2008-02-27
Anticipated expiration: 2023-09-25
Also published as: CN1601813A

Abstract

The present invention relates to an electronic card connector which comprises a base body and insulating main bodies of a left side arm and a right side arm, wherein an inserting space is formed between the base body which is provided with conductive terminals at intervals and the two side arms; the insulating main bodies are provided with stop dogs; one terminal which is arranged on the insulating main bodies is provided with a main body, an arched arm, an extension arm, an elastic arm and a bending part; the arched arm is connected between the main body and the frond end of the arched arm; the bending part is connected between the back end of the arched arm and the back end of the extension arm; the arched arm and the extension arm are arranged side by side; a corresponding outer side between the arched arm and the extension arm is respectively provided with a first contact part and a second contact part; the stop dogs are arranged in a space which is surrounded by the arched arm, the bending part and the extension arm to block the terminal to move towards the direction of the inserting space; the other terminal is arranged on the insulating main bodies and is provided with a contact part. When an electronic card is inserted into the inserting space, the lateral margin of the inserting space pushes the first contact part of the terminal and the second contact part contacts the contact part of the other terminal.

Description

Electronic card coupler

Technical field

The present invention is meant a kind of subcard plant of powering especially about a kind of electronic card coupler, makes electronic cards can be electrically connected to the electronic card coupler of circuit structure or storage device.

Background technology

Press, electronic cards (IC-card) is a data input device, it can be electrically connected to a circuit structure or a storage device, for example word processor, personal computer or other circuit structure, the data that are stored in the electronic cards will be transferred to this circuit structure, electronic cards is a kind of portable instrument, and it can be inserted easily and be withdrawed from by an electronic card coupler.

Known electronic card coupler; can be in order to peg graft and to withdraw from electronic cards; its mainly include an insulating body, a first terminal (be commonly referred to as detecting terminal) in order to detecting, one in order to second terminal and of write-protect in order to be constituted (certain two-terminal that also can only comprise wherein by the 3rd terminal of preceding two-terminal institute common contact usefulness; and be not to comprise three terminals); the insulating body of this U shape has a matrix and left and right two side arms; this matrix is provided with a plurality of conducting terminals, and and described two side arms between form a plant space and plant for an electronic cards.

Respectively this is arranged at that conducting terminal on this matrix respectively has a weld part and for being welded on the circuit board, in the time of in electronic cards is inserted in this plant space, respectively this conducting terminal can be arranged at corresponding terminal on the electronic cards and form and electrically connect.

This first, second and third terminal all is arranged on this insulating body (for example its matrix Huo and wherein a side arm), and respectively has a weld part and for being welded on the circuit board.

See also shown in Figure 1ly, wherein should have a main body 10, an arch arm 13, and be connected in elastic arm 12 between these main body 10 back side edge and this arch arm 13 front ends, reach an afterbody 14 that is connected in this arch arm rear end in order to the first terminal 1 of detecting.The base of described main body 10 is connected with a weld part 11, and its forward and backward dual-side then is provided with interference part 101, and the front end of this elastic arm 12 also is provided with interference part 121.

Wherein the 3rd terminal as common contact usefulness then has two elastic arms, and this two elastic arm corresponds respectively to first and second described terminal.

When electronic cards is inserted in the plant space of this insulating body, this electronic cards can contact the arch arm 13 of this first terminal 1 and take advantage of a situation and pass elastic arm 12, the afterbody 14 of this first terminal 1 is contacted with an elastic arm of the 3rd terminal, and allow this first terminal 1 reach electric connection with the 3rd terminal, with the circuit of conducting electronic card coupler, electronic card coupler is come into operation.Wherein, then reach write-protected purpose with principle of uniformity (contacting) with another elastic arm of the 3rd terminal in order to write-protected second terminal.

Whether above-mentioned known electronic card coupler has inserted the interior purpose of electronic cards connection though its first terminal 1 can reach the detecting electronic cards, only:

One, the length of this first terminal 1 is long, and can't be shortened effectively, cause the shortcoming that takies the electronic card coupler space: the length of this known the first terminal 1 has comprised end to end elastic arm 12, arch arm 13 and afterbody 14, and be necessary parts, can't omit arbitrary parts at all and shorten length, this problem also perplexs industry for a long time, but fails effectively to be solved always.

Two, the volume of whole electronic card coupler or even whole electronic installation can't further dwindle: because the length of this first terminal 1 can't effectively be shortened, therefore make the volume of electronic card coupler can't make forr a short time, the more relative electronic installation that has used this known electronic card coupler that allows, the puzzlement that also has volume effectively to dwindle more can't meet light, thin, short, little requirement.

Three, can't prevent that its direction toward the plant space from moving: the elastic arm 12 of this known the first terminal 1 is when resilient movement, because from elastic arm 12, arch arm 13, until all do not have any block thing in the resilient movement scope of afterbody 14, make the elastic arm 12 of this first terminal 1 have improperly the puzzlement of moving, make the mistake toward the direction in described plant space.

Summary of the invention

Therefore, the objective of the invention is to make the first terminal can shorten its length effectively as detecting usefulness, and use the volume that dwindles electronic card coupler, more allow its volume of electronic installation that has used these electronic card couplers also can effectively dwindle to meet light, thin, short, little requirement.

A further object of the present invention is to make as the first terminal of detecting usefulness and can avoids effectively moving toward the direction in plant space, does not produce wrong effect to reach.

In order to achieve the above object, the invention provides a kind of electronic card coupler, it comprises: have the insulating body of a matrix and left and right two side arms, form a plant space between this matrix and this two side arm, be arranged at intervals with conducting terminal on this matrix, and this insulating body is provided with block; Be arranged at the terminal on this insulating body, its have a main body, an arch arm, an adjutage, be connected in elastic arm between this main body and the arch arm front end, and one be connected in this each other side by side arch arm rear end and the kink between the adjutage rear end, described arch arm has first and second contact site respectively with the relative outside between adjutage, described block is positioned at the space that arch arm, the kink and the adjutage of this terminal are surrounded, and moves with the direction of this terminal of block toward the plant space; And be arranged on this insulating body and have the another terminal of contact site; When electronic cards is inserted in this plant space, this electronic cards lateral margin promotes first contact site of this terminal, makes the second described contact site be contacted with the contact site of this another terminal.

Description of drawings

Fig. 1 is the stereogram of the first terminal of known electronic card coupler.

Fig. 2 is the three-dimensional exploded view of electronic card coupler of the present invention.

Fig. 3 is the three-dimensional combination figure of electronic card coupler of the present invention.

Fig. 4 is the vertical view of electronic card coupler of the present invention.

Fig. 5 is the stereogram of the first terminal in the electronic card coupler of the present invention.

Fig. 6 is the partial enlarged drawing of the insulating body in the electronic card coupler of the present invention.

Embodiment

See also shown in Fig. 2-6, the invention provides a kind of electronic card coupler, can be in order to peg graft and to withdraw from electronic cards, this electronic card coupler comprises an insulating body 2, a first terminal 3, one second terminal 4 and one the 3rd terminal 5.

This insulating body 2, it has a matrix 21 and left and right two

side arms

22,23, this two

side arm

22,23 is connected in this matrix 21 2 sides one-body moldedly, use and constitute a U type body, making between this matrix 21 and this two

side arm

22,23 to be formed with a plant space 26, can plant for an electronic cards in this plant space 26.Be arranged at intervals with a plurality of terminal storage tanks on this matrix 21, can be in order to ccontaining conducting terminal 211.The right arm 23 of this insulating body 2 is provided with two caulking grooves 24 with the junction of matrix 21, uses that second and third described

terminal

4,5 being set.The place also is provided with the 3rd caulking groove 232 in the middle of the right arm 23 of this insulating body 2, uses that described the first terminal 3 being set, and sees also shown in Figure 6ly, and the cell wall 233 in the groove of this caulking groove 232 also has a recess 234.

The first terminal 3 that this provides detecting function sees also shown in Figure 5ly, is arranged on the described insulating body 2, and is to be arranged in the caulking groove 232 of its right arm 23.This first terminal 3 have a main body 30, an arch arm 33, an adjutage 35, be connected in elastic arm 32 between this main body 30 and arch arm 33 front ends, and one be connected in this each other side by side arch arm 33 rear ends and the kink 34 between adjutage 35 rear ends, in other words, this adjutage 35 is reflexed by kink 34, by this, the arch arm 33 in this left side, the kink of rear end 34 then surround one spoonful of shape space each other with adjutage 35 threes on right side, make the adjutage 35 of its contact usefulness be the anti-shape that colludes, and the bearing of trend of this adjutage 35 is towards the place ahead.Described arch arm 33 has first and second contact site 331,352 respectively with the relative outside of 35 of adjutages.As for described elastic arm 32, its front end is connected in the back side edge of described main body 30, the base of this main body 30 then is connected with a weld part 31, and the front side edge of this main body 30 then has corresponding to the convex body 305 of described caulking groove 232 and the interference part 306 that is formed at these convex body 305 front ends.

This provides second terminal 4 of write-protect function to be arranged on this insulating body 2, and is arranged in the caulking groove 24 of its right arm 23, and this second terminal 4 also has a contact site 41 again.

This provides the 3rd terminal 5 of common contact usefulness to have one first elastic arm 51 and one second elastic arm 52, and respectively the free end of this elastic arm is its contact site.The 3rd terminal 5 is arranged on the described insulating body 2, and be arranged in another caulking groove 24 of its right arm 23, make described the first terminal 3 be positioned at the place ahead of second terminal 4, the 3rd terminal 5 then is positioned at the right-hand of this two-terminal, therefore, first of described the 3rd terminal 5, two

elastic arms

51,52 free-ended respectively these contact sites are respectively corresponding to second contact site 352 of described the first terminal 3 and the contact site 41 of described second terminal 4, when this first, two-

terminal

3,4 when being contacted by electronic cards, second contact site 352 of the first terminal 3 will be contacted with first elastic arm, the 51 free-ended contact sites of described the 3rd terminal 5, and the contact site 41 of second terminal 4 then will be contacted with second elastic arm, the 52 free-ended contact sites of described the 3rd terminal 5.

Caulking groove 232 rears of the right arm 23 of this insulating body 2 further are provided with a block 231, and this block 231 is positioned at aforementioned spoon shape space, move with the direction of this first terminal 3 of block toward aforementioned plant space 26.Moreover, describedly be anti-adjutage 35 inboards of colluding shape and be defined as a location division 351, when the connecting place (that is: arch arm front end 332) of described arch arm 33 by itself and described elastic arm 32, when extruding bigger bending angle in advance towards direction (left) in contrast to described block 231, perhaps, when the connecting place of described adjutage 35 by itself and kink 34, when extruding bigger bending angle towards the direction (left) of described block 231 is pre-, these two kinds of precompressed modes all can allow flexibly counter the colluding in this block 231 in the described location division 351 of adjutage 35 locate, to avoid the skew improperly of this first terminal 3.

Please consult again shown in Fig. 4-6, the main body 30 of this first terminal 3, caulking groove 232 adjoiners of its forward and backward dual side-edge and described insulating body are provided with interference part 301.And this main body 30 also further is provided with an opening 302,303 of the fillets on these opening 302 bases are connected with an interference piece 304 corresponding to described recess 234, this interference piece 304 can snap in this recess 234, and further the first terminal 3 is snapped on the insulating body 2.

In the time of in electronic cards is inserted in aforementioned plant space 26, the lateral margin of this electronic cards contacts or pushes first contact site 331 of this first terminal 3, and makes its second contact site 352 touch first elastic arm, the 51 free-ended contact sites of the 3rd terminal 5.

Certainly; the present invention's electronic card coupler is not limited to that the first～three terminal 3～5 must be arranged simultaneously; in fact; in the terminal as control usefulness on this electronic card coupler; can also only have the first terminal 3 of detecting usefulness and the 3rd terminal 5 that contacts usefulness jointly; and do not have second terminal 4 that write-protect is used, so the protection range of electronic card coupler of the present invention comprises the electronic card coupler of two-terminal and three terminals.

Advantage of the present invention and characteristics

One, the present invention's the first terminal 3 in order to contacted by electronic cards with and in order to be contacted with the part of the 3rd terminal 5, be to surround special spoon shape, make the adjutage 35 of its contact usefulness be the anti-shape that colludes, use the length that shortens the first terminal 3, and still have the former powerful of the first terminal.

Two, the present invention can shorten length effectively by described the first terminal 3, that electronic card coupler can be made is littler, can also allow this use the electronic installation of these electronic card couplers, its overall volume also can effectively be dwindled and be met light, thin, short, little now requirement.

Three, the present invention's the first terminal 3 forms special spoon shape in order to contact with the part that contacts, in the block on the insulating body 2 231 is enclosed in, to reach the effect that the effective direction in these the first terminal 3 past plant spaces 26 of block moves or is offset.

Four, the arch arm 33 of the present invention's the first terminal 3 or adjutage 35 can extrude bigger bending angle in advance in advance, so that the location division 351 of this adjutage 35 can flexibly instead be colluded on this block 231, do not have extremely the gap except that making between this adjutage 35 and this block 231, can also further produce locating effect.

In sum, a kind of electronic card coupler provided by the present invention, can solve really that known the first terminal length can't shorten and many shortcomings such as locating effect is not good, real genus one has the product invention of height practical value, has the improvement on the effect, meet the application condition of patent of invention, so file an application according to Patent Law.

Only the above only is the preferable feasible embodiment of one of the present invention, the non-so interest field of promptly limiting to the present invention, and the equivalent structure variation of using specification of the present invention and accompanying drawing content to be done such as all should be contained in the present invention's the interest field.

Claims

1. electronic card coupler comprises:

Insulating body, it has a matrix and left and right two side arms, forms a plant space between this matrix and this two side arm, be arranged at intervals with conducting terminal on this matrix, and this insulating body is provided with block;

One terminal, it is arranged on this insulating body, and this terminal have a main body, an arch arm, an adjutage, be connected in elastic arm between this main body and the arch arm front end, and one be connected in this each other side by side arch arm rear end and the kink between the adjutage rear end, described arch arm has first and second contact site respectively with the relative outside between adjutage, described block is positioned at the space that arch arm, the kink and the adjutage of this terminal are surrounded, and moves with the direction of this terminal of block toward the plant space; And

Another terminal, it is arranged on this insulating body, and this another terminal also has contact site;

When electronic cards is inserted in this plant space, this electronic cards lateral margin can promote first contact site of this terminal, makes the second described contact site be contacted with the contact site of this another terminal.

2. electronic card coupler according to claim 1 is characterized in that, arch arm, kink and the adjutage of this terminal are connected to each other to a spoonful shape.

3. electronic card coupler according to claim 1 is characterized in that, the elastic arm of this terminal extends from a side of described main body.

4. as the electronic card coupler as described in the claim 3, it is characterized in that another side of main body further has a convex body, the free end of this convex body also is provided with the interference part, and the corresponding position in described insulating body is interfered in this interference part.

5. electronic card coupler according to claim 1 is characterized in that, the base of the main body of this terminal further is connected with a weld part.

6. electronic card coupler according to claim 1 is characterized in that, the adjutage inboard of this terminal is provided with a location division.

7. as the electronic card coupler as described in the claim 6, it is characterized in that, the arch arm of this terminal and the connecting place of described elastic arm are also further towards the direction in contrast to described block, come to be extruded bigger bending angle in advance, the location division of described adjutage is flexibly colluded in this block locate.

8. as the electronic card coupler as described in the claim 6, it is characterized in that the adjutage of this terminal also further extrudes bigger bending angle towards the direction of described block in advance, the location division of described adjutage is flexibly colluded in this block locate.

9. electronic card coupler according to claim 1 is characterized in that, the forward and backward dual side-edge of the main body of this terminal and the adjoiner of described insulating body further are provided with the interference part.

10. electronic card coupler according to claim 1 is characterized in that, described insulating body further is provided with caulking groove, and the main body of described this terminal is embedded in this caulking groove.

11. electronic card coupler according to claim 1, it is characterized in that, further set up the 3rd terminal that also is arranged on this insulating body, the 3rd terminal has first and second elastic arm, the free end of this first and second elastic arm respectively has a contact site, and this two contact site is respectively corresponding to second contact site of described this terminal and the contact site of described this another terminal.