CN2817099Y

CN2817099Y - Electronic card connector and its conducting terminal

Info

Publication number: CN2817099Y
Application number: CNU200520113143XU
Authority: CN
Inventors: 杨诗政
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2005-08-10
Filing date: 2005-08-10
Publication date: 2006-09-13
Anticipated expiration: 2015-08-10

Abstract

A kind of electronic card coupler, it is mounted on the circuit board, can insert for an electronic cards; Comprise: insulating body which is provided with several conducting terminal accepting grooves; Plurality of conductive terminals is assembled in the conducting terminal accepting groove, and it respectively has contact site, connecting portion and weld part; Shielding casing is coated on insulating body and conducting terminal; The connecting portion system of conducting terminal bends vertically upward from weld part extends one section, and the inflection extension that makes progress again after bending a section with weld part bearing of trend rightabout again forms; Described contact part forms to extending with the arcuation bending protruding upward of being in the same way of weld part from the end of connecting portion, with the electronic cards of inserting electrically contact mutually.Advantage of the present utility model is, when electronic cards was inserted, electronic cards was the restrain end insertion from contact site, therefore, can avoid effectively in the prior art because the various harmful effects that electronic cards causes conducting terminal when inserting, improve the reliability of conducting terminal.

Description

Electronic card coupler and conducting terminal thereof

Technical field

The utility model relates to a kind of electronic card coupler and is mounted on the conducting terminal of this electronic card coupler.

Background technology

As everyone knows, along with the technology of electronic industry promotes day by day, and electronics miniaturization and portable designer trends, the electronic cards of various functions is used also more extensive and important.And be responsible for to electrically connect the various electronic card couplers of electronic equipment and electronic cards that is application and give birth to.

Existing electronic card coupler is consulted Fig. 1 a, discloses a kind of electronic card coupler 1a as TaiWan, China patent 551657, comprises a pedestal 10a, several conducting terminals 20a; Wherein, this pedestal 10a both sides have several run through up and down, by the terminal containing slot 11a that division post 12a separates, 20a inserts from both sides for conducting terminal.

See also Fig. 1 b again, it has shown the structural representation of conducting terminal 20a, this conducting terminal 20a, be metal strip, comprise body 21a, from the kink 22a of body 21a one end longitudinal extension, the other end of body 21a then is fixed part 25a, and this fixed part 25a is welded in (figure does not show) on the circuit board in the mode of surface mount technology; End with respect to kink 22a is provided with contact site 23a, and it is circular-arc that this contact site 23a is a solid, and its power supply subcard inserts a side and is free shape.

Referring to Fig. 1 c, electronic cards 3a pushes pedestal 10a with pack into the direction of pedestal 10a of conducting terminal 20a, the corresponding conducting terminal 20a of metallic gasket 31a and its contact site 23a is formed to be contacted, it is right because electronic cards 3a is the free end insertion with respect to conducting terminal 20a contact site 23a end, so plug electronic cards for a long time or improperly, may cause free-ended warpage of conducting terminal contact site or distortion, even fracture, on the other hand, the destruction of conducting terminal also can be caused the impaired of electronic cards.Thereby reduced the reliability of conducting terminal, thereby influence the performance of electronic card coupler.

Summary of the invention

The purpose of this utility model is to provide a kind of electronic card coupler, and the distortion even the fracture that in the time of can avoiding electronic cards to insert effectively conducting terminal are caused have improved the reliability and the regime of elastic deformation of conducting terminal, have guaranteed the performance of electronic card coupler.

For achieving the above object, the technical solution of the utility model is: a kind of electronic card coupler, and it is mounted on the circuit board, can insert for an electronic cards; Comprise: insulating body which is provided with several conducting terminal accepting grooves; Plurality of conductive terminals is assembled in several conducting terminal accepting grooves on the insulating body, and these conducting terminals respectively have contact site, connecting portion and can be welded in weld part on the described circuit board; Shielding casing is coated on insulating body and these conducting terminals; The connecting portion system of described conducting terminal bends vertically upward from weld part extends one section, and the inflection extension that makes progress again after bending a section with weld part bearing of trend rightabout again forms; Described contact part forms to extending with the arcuation bending protruding upward of being in the same way of weld part from the end of connecting portion, with the electronic cards of inserting electrically contact mutually.

Further, described insulating body comprises a upper surface, front end face that links to each other with the upper surface and two side, and the rear end face relative with front end face; From up to down be penetrated with several conducting terminal accepting grooves on the front end face, the front end face between adjacent each conducting terminal accepting groove protrudes out forward near the upper end surface and is formed with the pre-briquetting of plural number; The both sides of front end face barricade forward and before both sides extend to form two, correspondingly, two side direction both sides of rear end face have extended to form the back barricade, form draw-in groove between corresponding forward and backward barricade; Rear end face extends upward the block that is formed with a protrusion upper surface.

Again, bend the dual-side of extension above described shielding casing has and from top both sides downwards, and the auricle that extends to form laterally from the dual-side end, be covered in above the shielding casing on the upper surface of insulating body, and form the receiving space that the power supply subcard inserts between the upper surface of itself and insulating body; Its dual-side snaps in two draw-in grooves of insulating body, and auricle then is fixed on the circuit board.

Described conducting terminal outwards convexes with pre-splenium near the connecting portion one end both sides of contact site, front end face between adjacent each the conducting terminal accepting groove of insulating body protrudes out forward near the upper end surface and is formed with several pre-briquettings, and this pre-splenium is resisted against under the pre-briquetting of this correspondence.

In addition, a kind of conducting terminal of the present utility model can be assembled in the electronic card coupler, and it has contact site, connecting portion and weld part; The connecting portion system of described conducting terminal bends vertically upward from weld part extends one section, and the inflection extension that makes progress again after bending a section with weld part bearing of trend rightabout again forms; Described contact part forms to extending with the arcuation bending protruding upward of being in the same way of weld part from the end of connecting portion, with the electronic cards of inserting electrically contact mutually.

This conducting terminal also comprises a holding parts, and this holding parts is arranged at the end of described connecting portion near weld part; Described holding parts is the hangnail structure.

Described conducting terminal outwards convexes with mutual transversion malposition near the connecting portion one end both sides of contact site pre-splenium is set, and its pressure is located on the pre-briquetting between the conducting terminal accepting groove of insulating body.

Described conducting terminal contact site is provided with fin.

Advantage of the present utility model is,

The connecting portion of conducting terminal of the present utility model system bends vertically upward from weld part extends one section, bend one section forward again after again oppositely upwards bending extend back and form; Described contact part is arcuation bending protruding upward from the tip forward of connecting portion and extends and form.When electronic cards was inserted, electronic cards was that the restrain end from contact site inserts, and therefore, can effectively avoid in the prior art because the various harmful effects that electronic cards causes conducting terminal when inserting, and had improved the reliability of conducting terminal.

Description of drawings

Fig. 1 a is the stereogram of existing electronic card coupler;

Fig. 1 b is the section diagrammatic sketch of existing electronic card coupler;

Fig. 1 c is the schematic diagram after having electronic card coupler now and electronic cards contacting;

Fig. 2 is the three-dimensional exploded view of the user mode of the utility model electronic card coupler;

Fig. 3 is the top perspective view of the utility model electronic card coupler;

Fig. 4 is the perspective bottom view of the utility model electronic card coupler;

The end view that Fig. 5 sees for arrow A direction among Fig. 3;

Fig. 6 is the vertical view of Fig. 3;

Fig. 7 A～Fig. 7 C is the diagrammatic sketch of the conducting terminal of the utility model electronic card coupler;

Fig. 8 is the three-dimensional exploded view of the utility model electronic card coupler.

Embodiment

According to Fig. 2 to Fig. 8, provide preferred embodiment of the present utility model, and described in detail below, enable to understand better architectural feature of the present utility model and function, characteristics.

Consult Fig. 2～Fig. 5, electronic card coupler 1 of the present utility model, it is located on the circuit board 4, can insert for an electronic cards 5; This electronic card coupler 1 comprises: insulating body 10 which is provided with several conducting terminal accepting grooves 1021; Plurality of conductive terminals 2 is assembled in several conducting terminal accepting grooves interior 1021 on the insulating body; Shielding casing 3 is coated on insulating body 10 and these conducting terminals 2.

Referring to Fig. 2～Fig. 6, be forward with electronic cards direction of insertion (A is to sign among Fig. 3), below address other directions as reference.It is rectangular-shaped that the utility model insulating body 10 roughly is, and it comprises a upper surface 101, front end face 102 that links to each other with upper surface 101 and two side 103,104, and the rear end face 105 relative with front end face 102; From up to down be penetrated with several conducting terminal accepting grooves 1021 on the front end face 102, the front end face that adjacent each conducting terminal accepting groove is 1021 protrudes out forward near 101 places, upper surface and is formed with the pre-briquetting 106 of plural number; The both sides of front end face 102 barricade 1022 forward and before both sides extend to form two, correspondingly, two side direction both sides of rear end face 105 have extended to form

back barricade

1051, and 1022,1051 of corresponding forward and backward barricades form draw-in groove 107,108; Rear end face 105 extends upward the block 109 that is formed with a protrusion upper surface 101.

Shielding casing 3 is located on the insulating body 10, it has top 31 and reaches the dual-

side

32,33 that bends extension from top 31 both sides downwards, and the

auricle

34,35 that extends to form laterally from dual-

side

32,33 ends, these

auricle

34,35 centers are formed with location hole 341,351, top 31 of shielding casing 3 is covered on the upper surface 101 of insulating body, and 101 of the upper surfaces of itself and insulating body 10 form the receiving space 100 that power supply subcard 5 inserts; Its dual-

side

32,33 snaps in two draw-in grooves 107,108 of

insulating body

10, and 34,35 of auricles are fixed on the circuit board 4, and a fixture (figure does not show) can pass auricle location hole 341,351 and shielding casing 3 is fixed on the circuit board 4.

Referring to Fig. 7 A～Fig. 7 C, conducting terminal 2 of the present utility model respectively has contact site 201, connecting portion 202, weld part 203 and holding parts 204; Described weld part 203 is to be welded on the circuit board 4, its connecting portion 202 roughly is horizontal U-shaped, this connecting portion 202 at first bends vertically upward from weld part 203 and extends one section, and the inflection extension that makes progress again after (promptly with the opposite direction of weld part 203 bearing of trends) bending is extended a section more forward forms; Described contact site 201 is that the tip forward (promptly with the opposite direction of weld part 203 bearing of trends) from connecting portion 202 is arcuation protruding upward bending and extends and form, its free end 2011 bends to the inside, this contact site 201 is provided with fin 207, better to reach electrical the contact with the electronic cards of inserting 5; Holding parts 204 is arranged at the end of described connecting portion 202 near weld part 203; This holding parts 204 is the hangnail structure.

See also Fig. 4～Fig. 6, Fig. 7 A～Fig. 7 C again, conducting terminal 2 described in the utility model outwards convexes with pre-splenium 205,206 near the connecting portion 202 1 end both sides of contact site 201, because the spacing of these conducting terminals 2 in insulating body 10 conducting terminal accepting grooves 1021 is very little, so these two pre-spleniums 205,206 adopt mutual transversion malposition setting to touch to avoid misconnection therebetween; This two pre-splenium 205,206 is resisted against the pre-briquetting 106 times that the sidewall bending between the front end face 102 conducting terminal accepting grooves 1021 of insulating body 10 extends to form, so that conducting terminal 2 has preload force.

Referring to Fig. 3～Fig. 4, Fig. 8, during assembling, these conducting terminals 2 insert in each conducting terminal accepting groove 1021 of corresponding insulating body 10 front end faces 102 from the front end of the body 10 that insulate, described contact site 201 then exposes for insulating body 10 upper surfaces 101, electrically to contact mutually with the electronic cards of inserting 5; Its holding parts 204 of conducting terminal 2 mats is fixed in the conducting terminal accepting

groove

1021, and 203 of weld parts are welded on the circuit board 4; Shielding casing 3 is coated on insulating body 10 and these conducting terminals 2, and its dual-

side

32,33 is arranged in the draw-in groove 107,108 of insulating body 10 two sides, and

side

32,33

ear pieces

34,35 are fixed on the circuit board 4.

Electronic cards 5 is inserted electronic cards receiving spaces 100 from insulating body 10 front end faces 101, and is subjected to insulating body 10 blocks, 109 backstops and spacing, and reaches electrical the contact with exposing for conducting terminal 2 contact sites 201 of insulating body 10 upper surfaces 101; Because electronic cards 5 is to insert from the direction relative with contact site 201 free ends, therefore, can effectively avoid in the prior art because distortion even the fracture that electronic cards causes conducting terminal when inserting, improved the reliability of conducting terminal.In addition, the conducting terminal of this kind structure has prolonged elastic arm, has relatively improved the regime of elastic deformation after its electronic cards is inserted.

Above-described; it only is preferred embodiment of the present utility model; be not in order to limit scope of the present utility model; be that every simple, equivalence of doing according to the claims and the description of the utility model application changes and modification, all fall into the claim protection range of the utility model patent.

Claims

1. electronic card coupler, it is mounted on the circuit board, can insert for an electronic cards; Comprise:

Insulating body which is provided with several conducting terminal accepting grooves;

Plurality of conductive terminals is assembled in several conducting terminal accepting grooves on the insulating body, and these conducting terminals respectively have contact site, connecting portion and can be welded in weld part on the described circuit board;

Shielding casing is coated on insulating body and these conducting terminals; It is characterized in that,

The connecting portion system of described conducting terminal bends vertically upward from weld part extends one section, and the inflection extension that makes progress again after bending a section with weld part bearing of trend rightabout again forms; Described contact part forms to extending with the arcuation bending protruding upward of being in the same way of weld part from the end of connecting portion, with the electronic cards of inserting electrically contact mutually.

2. electronic card coupler as claimed in claim 1 is characterized in that described insulating body comprises a upper surface, front end face that links to each other with the upper surface and two side, and the rear end face relative with front end face; From up to down be penetrated with several conducting terminal accepting grooves on the front end face; The both sides of front end face barricade forward and before both sides extend to form two, two side direction both sides of rear end face have extended to form the back barricade, form draw-in groove between corresponding forward and backward barricade.

3. electronic card coupler as claimed in claim 2 is characterized in that, described insulating body rear end face extends upward the block that is formed with a protrusion upper surface.

4. electronic card coupler as claimed in claim 1, it is characterized in that, bend the dual-side of extension above described shielding casing has and from top both sides downwards, and the auricle that extends to form laterally from the dual-side end, be covered in above the shielding casing on the upper surface of insulating body, and form the receiving space that the power supply subcard inserts between the upper surface of itself and insulating body; Its dual-side snaps in two draw-in grooves of insulating body, and auricle then is fixed on the circuit board.

5. electronic card coupler as claimed in claim 1 is characterized in that described conducting terminal also comprises a holding parts, and this holding parts is arranged at the end of described connecting portion near weld part.

6. electronic card coupler as claimed in claim 1 is characterized in that, described conducting terminal connecting portion roughly is horizontal U-shaped.

7. electronic card coupler as claimed in claim 1, it is characterized in that, described conducting terminal outwards convexes with pre-splenium near the connecting portion one end both sides of contact site, front end face between adjacent each the conducting terminal accepting groove of insulating body protrudes out forward near the upper end surface and is formed with several pre-briquettings, and this pre-splenium is resisted against under the pre-briquetting of this correspondence.

8. electronic card coupler as claimed in claim 7 is characterized in that, the pre-splenium in described conducting terminal both sides is mutual transversion malposition setting.

9. a conducting terminal can be assembled in the electronic card coupler, and it has contact site, connecting portion and weld part; It is characterized in that,

10. conducting terminal as claimed in claim 9 is characterized in that described conducting terminal also comprises a holding parts, and this holding parts is arranged at the end of described connecting portion near weld part.

11. conducting terminal as claimed in claim 10 is characterized in that, described holding parts is the hangnail structure.

12. conducting terminal as claimed in claim 9 is characterized in that, described conducting terminal outwards convexes with mutual transversion malposition near the connecting portion one end both sides of contact site pre-splenium is set, and its pressure is located on the pre-briquetting between the conducting terminal accepting groove of insulating body.

13. conducting terminal as claimed in claim 9 is characterized in that, described conducting terminal contact site is provided with fin.