CN2906966Y

CN2906966Y - Electronic card connector

Info

Publication number: CN2906966Y
Application number: CNU2006200185155U
Authority: CN
Inventors: 万中华
Original assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Current assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Priority date: 2006-03-22
Filing date: 2006-03-22
Publication date: 2007-05-30
Anticipated expiration: 2016-03-22

Abstract

The utility model discloses an electronic card connector, it contains an insulator, and a plurality of terminals of acceping in this insulator, and at least one locating part. Each terminal comprises a welding part, one end of the welding part extends to form a connecting part, and two side edges of the welding part respectively extend upwards to form a fixing part. Each fixing part extends upwards from the side edge of the welding part by a section and then extends towards two sides, and the surface of the fixing part is convexly provided with an interference part. An elastic part extends from one end of the connecting part to the free end of the welding part and is connected with a contact part. The width of the elastic part is narrower than the groove-shaped space defined between the two holding parts. The contact part extends out of the free end of the welding part, and two opposite sides of the contact part extend to opposite directions to form prepressing parts. The utility model has the advantage of miniaturization.

Description

Electronic card coupler

Technical field

The utility model relates to a kind of electronic card coupler, relates in particular to a kind of electronic card coupler and terminal thereof.

Background technology

Chinese patent discloses a kind of electronic card coupler No. 02288057.7, and it comprises insulating body 50 and some terminals 51 that is contained in this insulating body 50.Each terminal 51 has arc-shaped contact part 510, reaches the weld parts 513 that bend extension from holding parts 512 downwards from the U-shaped kink 511 of arc-shaped contact part 510 1 ends extension, the holding parts 512 that extends from kink 511 other ends.Because this holding parts 512 is to extend continuously on length with weld part 513, thereby the length that whole terminal 51 occupies is longer.On the other hand, because weld part 513 extends the lower, planar of holding parts 512, the height of terminal 51 depends on the difference in height between contact site 510 and the weld part 513, and whole height is higher.

The length of terminal is long, highly high, will cause the size of electronic card coupler integral body to increase.Under the trend of pursuing the product miniaturization at present, this kind electronic card coupler obviously can not satisfy the needs in market, needs improvement badly.

The utility model content

The utility model provides a kind of electronic card coupler, and the terminal of this electronic card coupler size on length and short transverse is all less, and electronic card coupler integral body also is miniaturization.

The utility model provides following technical proposals: a kind of electronic card coupler, it comprises an insulating body, and some terminals that is contained in this insulator.Each terminal comprises a weld part, and this weld part one end extends a connecting portion, and its dual-side has extended upward a holding parts respectively.An elastic portion is extended to weld part free end direction from this connecting portion one end, and connects a contact site.

In one embodiment, each holding parts is to extend upward one section from this weld part side, extends to both sides again, and each holding parts surface has protruded out the interference part.In another embodiment, each holding parts is directly to bend from the weld part both sides to extend upward, and each holding parts both sides has protruded out the interference part.In one embodiment, the relative both sides of contact site are extended with pre-splenium round about.In another embodiment, this elastic portion is provided with pre-splenium near the position of contact site, and extend round about each relative both sides of pre-splenium own elasticity portion.Further, contact site and pre-splenium are to extend outside the free end of weld part, and the width of elastic portion is narrow than the groove shape space that defines between two holding parts, more reduce the whole height of terminal.

The utility model also provides a kind of terminal that is used for this electronic card coupler.

Electronic card coupler of the present utility model has length and the terminal that highly all reduces, and meets the trend of product miniaturization.

Description of drawings

Fig. 1 is the exploded view of existing electronic card coupler;

Fig. 2 is the stereogram according to the electronic card coupler of an embodiment of the present utility model;

Fig. 3 is the exploded view of the electronic card coupler among Fig. 2;

Fig. 4 is another angle exploded view of electronic card coupler among Fig. 2;

Fig. 5, the 6th is according to the terminal of electronic card coupler of the present utility model and the schematic diagram of strain thereof;

Fig. 7 is the stereogram according to the electronic card coupler of an embodiment of the present utility model;

Fig. 8 (a) is the plane graph according to the electronic card coupler of an embodiment of the present utility model;

Fig. 8 (b) is the profile along AA line intercepting among Fig. 8 (a);

Fig. 8 (c) is the profile along BB line intercepting among Fig. 8 (a);

Fig. 9 is the exploded view according to the electronic card coupler of another embodiment of the present utility model;

Figure 10 is the part exploded view according to the electronic card coupler of another embodiment of the present utility model.

Symbol description among the figure:

2,20 ', 20 " insulating body 20 base portions

200 first end faces, 201 second end faces

21 connecting portions, 210 first sides

211 holding slots, 212 grooves

22 upper surfaces, 23 lower surfaces

24,24 ', 24 " terminal containing slot 240,240 ', 240 " draw-in groove

241,241 ', 241 " blocks

3,3 ', 3 " conducting terminal 30,30 ', 30 " weld part

31,31 ', 31 " connecting

portion

32,32 ', 32 " holding parts

320,320 ', 320 " interference part 33,33 ', 33 " elastic portion

34,34 ', the pre-splenium of 34 "

contact sites

35,35 ', 35 "

36 groove shape spaces

4 locating parts, 40 stopper sections

41 holding parts, 410 interference parts

42 holding parts

Embodiment

In order to understand spirit of the present utility model better, it is described further below in conjunction with preferred embodiment of the present utility model.

As shown in Figure 2, comprise an insulating body 2, some conducting terminals 3 that is contained in the insulating body 2 according to the electronic card coupler of an embodiment of the present utility model, and be located at the locating part 4 that insulating body 2 both sides are used for the electronic cards of spacing insertion.

Shown in Fig. 3,4, this insulating body 2 comprises a base portion 20, and the connecting portion 21 that extends from these base portion 20 both sides.Is upper surface 22 with insulating body 2 towards the surface of the electronic cards of inserting, and relative with this upper surface 22 is lower surface 23.The upper surface 22 that connects this base portion 20 forms first end face 200 and second end face 201 with lower surface 23.Symmetrical center line with first and second end face 200,201 is as the criterion, and is penetrated with the relative terminal containing slot 24 of two rows from upper surface 22 to lower surface 23, and the both sides in each terminal containing slot 24 are respectively arranged with draw-in groove 240 and block 241.Each connecting portion 21 has first side 210 perpendicular to first and second end face 200,201, and each first side 210 is to holding slot 211 of base portion 20 directions depression, holding slot 211 both sides from lower surface 23 to the upper surface 22 directions groove 212 that respectively caves in.

Each conducting terminal 3 has a flat weld part 30, and a U-shaped connecting portion 31 is extended in this weld part 30 1 ends bending certainly, extends upward a holding parts 32 respectively from weld part 30 both sides.Each holding parts 32 is to extend upward one section from weld part 30 plate face sides, extends to both sides again, and the middle part of its upper surface protrudes out the interference part 320 of projection shape.Elastic portion 33 extends weld part 30 tops and extends towards the other end direction of weld part 30 from these connecting portion 31 other ends, and this elastic portion 33 continues to extend a dome shape contact site 34 certainly.Contact site 34 relative both sides are extended with the pre-splenium 35 of sheet round about.

Each locating part 4 has a stopper section 40, and twice bending of 40 1 sides extended from the stopper section a holding parts 41 and two auxiliary holding parts 42, and two auxiliary holding parts 42 are to extend holding parts 41 both sides.Holding parts 41 both sides are extended with the interference part 410 of some protruding thorns or projection shape.

Shown in Fig. 5,6, the effect when docking with electronic cards in order not influence, preferably, this contact site 34 and pre-splenium 35 are to extend outside the free end 300 of weld part 30; The width of elastic portion 33 is narrow than the groove shape space 36 of definition between two holding parts 32.When terminal 3 pressurizeds (electronic cards is inserted when depressing the contact site 34 of terminal 3), can make the elastic portion 33 and the dotted line position of contact site 34 strains one-tenth shown in Fig. 5,6 of terminal, this contact site 34 and pre-splenium 35 can not interfered with holding parts 32 on the position of this strain, and the extreme lower position of terminal 3 strains more can be very near the position of weld part 30 bottom surfaces (near printed circuit board (PCB)).

As Fig. 7,8 (a)-8 (c), each locating part 4 is assembled on the connecting portion 21 of insulating body 2.Wherein holding parts 41 is contained in the holding slot 211, and the interference part 410 of its both sides is interfered with holding slot cell wall 211 and locating part 40 is fixed.Auxiliary holding parts 42 is fastened in the groove 212 of connecting portion 21, but assist location locating part 4 is on connecting portion 21, and the bottom surface of these auxiliary holding parts 42 can be used for surface soldered (SMT) at printed circuit board (PCB), makes the whole connector can be with firm being installed on the printed circuit board (PCB).Constitute the space that electronic cards (as, SIM card) is planted between the two relative locating parts 4, can guide electronic cards on the one hand and insert, but the electronic cards inserted of relative positioning on the other hand prevents that electronic cards from throwing off.Each terminal 3 correspondence respectively is assembled in each terminal containing slot 24, and the contact site 34 of each terminal 3 convexedly stretches in outside the upper surface 22 of insulating body 2, the precompressed amount that it obtains to be scheduled to by the backstop of 241 pairs of pre-spleniums 35 of block of terminal containing slot 24 cell walls.The holding parts 32 of each terminal 3 both sides is contained in respectively in the draw-in groove 240 that both sides are provided with in the terminal containing slot 24, and interference part 320 is fastened in the draw-in groove 240 with draw-in groove 240 inwall interferences and with holding parts 32 and also further terminal 3 is immobilizated in the terminal containing slot 24 on it.

As shown in Figure 9, electronic card coupler according to another embodiment of the present utility model, a tabular weld part 30 of its terminal 3 ' comprise ', one from this weld part 30 ' one ends bending extend U-shaped connecting portion 31 ', one from weld part 30 ' both sides respectively upwardly extending holding parts 32 ', elastic portion 33 of extending from this connecting portion 31 ' other end ', and from a contact site 34 of this elastic portion 33 ' extension '.Wherein, holding parts 32 ' be from weld part 30 ' both sides directly bending extend upward, holding parts 32 ' both sides be provided with some convex belemnoid shapes interference part 320 '.Elastic portion 33 ' near contact site 34 ' the position, the both sides of its own elasticity portion 33 ' relatively be extended with respectively the pre-splenium 35 of flap-like '.Accordingly, each terminal containing slot 24 ' both sides be respectively equipped with draw-in groove 240 ' and block 241 '.Draw-in groove 240 ' be is from the body 2 ' lower surface that the insulate surface direction depression that makes progress, be used to accommodate each terminal 3 ' holding parts 32 '.Block 241 ' then and pre-splenium 35 ' cooperate, by its to pre-splenium 35 ' backstop make terminal 3 ' the predetermined precompressed amount of contact site 34 ' acquisition.

As shown in figure 10, electronic card coupler according to the another embodiment of the utility model, its terminal 3 " comprises a weld part 30 ", one from this weld part 30 " connecting portion 31 that end bending is extended ", one from weld part 30 " both sides are upwardly extending holding parts 32 respectively ", one from this connecting portion 31 " elastic portion 33 that the other end extends ", and from this elastic portion 33 " contact site 34 that extends ".Wherein, holding parts 32 " being from weld part 30 " plate face side extends upward one section, extends to both sides again, and the middle part of its upper surface protrudes out the interference part 320 of projection shape ".The position of elastic portion 33 " near contact site 34 ", its own elasticity portion 33 " both sides are extended with the pre-splenium 35 of flap-like respectively relatively ".Accordingly, each terminal containing slot 24 ' both sides be respectively equipped with and accommodate holding parts 32 " draw-in groove 240 ", and the pre-splenium 35 of backstop " block 241 ".

The existing electronic card coupler of electronic card coupler of the present utility model, the holding parts of its terminal extends upward from the both sides of weld part, thereby shorten the entire length of terminal, reduce the whole height of terminal, further, because the contact site and the pre-splenium of terminal are to extend outside the free end of weld part, and the width of elastic portion is narrow than the groove shape space that defines between two holding parts, make the extreme lower position of terminal strain can be very near the position of weld part bottom surface (near printed circuit board (PCB)), further reduce the whole height of terminal, thereby more meet the trend of product miniaturization.

Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the present patent application claim.

Claims

1. electronic card coupler, it comprises an insulating body, and some terminals that is contained in this insulator, and it is characterized in that: each terminal comprises a weld part, a connecting portion is extended in this weld part one end bending, and this weld part dual-side has extended upward a holding parts respectively; An elastic portion extends the weld part top from this connecting portion one end to weld part other end direction, and connects a contact site.

2. electronic card coupler as claimed in claim 1 is characterized in that: described each holding parts is to extend upward one section from this weld part side, extends to both sides again.

3. electronic card coupler as claimed in claim 2 is characterized in that: described each holding parts surface has protruded out the interference part.

4. electronic card coupler as claimed in claim 1 is characterized in that: described each holding parts is directly to bend from the weld part both sides to extend upward.

5. electronic card coupler as claimed in claim 4 is characterized in that: described each holding parts both sides have protruded out the interference part.

6. electronic card coupler as claimed in claim 1 is characterized in that: the relative both sides of this contact site are extended with pre-splenium round about.

7. electronic card coupler as claimed in claim 1 is characterized in that: this elastic portion is provided with pre-splenium near the position of contact site, and extend round about each relative both sides of pre-splenium own elasticity portion.

8. as claim 1 or 2 or 4 described electronic card couplers, it is characterized in that: this contact site is to extend outside the free end of weld part.

9. electronic card coupler as claimed in claim 8 is characterized in that: the width of this elastic portion is narrow than the groove shape space that defines between two holding parts.

10. electronic card coupler as claimed in claim 1 is characterized in that: this electronic card coupler further comprises the locating part of being located at the insulating body both sides.

11. the terminal of an electronic card coupler, it comprises a weld part, a connecting portion, an elastic portion and a contact site, and it is characterized in that: these weld part both sides extend upward a holding parts respectively; This connecting portion directly extends from the bending of weld part one end, and this elastic portion extends the weld part top from this connecting portion one end to weld part other end direction, and connects a contact site.

12. the terminal of electronic card coupler as claimed in claim 11 is characterized in that: described each holding parts is to extend upward one section from this weld part side, extends to both sides again.

13. the terminal of electronic card coupler as claimed in claim 12 is characterized in that: described each holding parts surface has protruded out the interference part.

14. the terminal of electronic card coupler as claimed in claim 11 is characterized in that: described each holding parts is directly to bend from the weld part both sides to extend upward.

15. the terminal of electronic card coupler as claimed in claim 14 is characterized in that: described each holding parts both sides have protruded out the interference part.

16. the terminal of electronic card coupler as claimed in claim 11 is characterized in that: the relative both sides of this contact site are extended with pre-splenium round about.

17. the terminal of electronic card coupler as claimed in claim 11 is characterized in that: this elastic portion is provided with pre-splenium near the position of contact site, and extend round about each relative both sides of pre-splenium own elasticity portion.

18. the terminal as claim 11 or 12 or 14 described electronic card couplers is characterized in that: this contact site is to extend outside the free end of weld part.

19. the terminal of electronic card coupler as claimed in claim 18 is characterized in that: the width of this elastic portion is narrow than the groove shape space that defines between two holding parts.