CN206585090U

CN206585090U - Electronic card coupler

Info

Publication number: CN206585090U
Application number: CN201720168562.6U
Authority: CN
Inventors: 李滨滨; 朱昭晖
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2017-02-23
Filing date: 2017-02-23
Publication date: 2017-10-24
Anticipated expiration: 2027-02-23

Abstract

The utility model is related to a kind of electronic card coupler, to be welded on flexible PCB, it includes insulating body and some conducting terminals, the insulating body is provided with slot, the conducting terminal is provided with the contact site being located in slot and the horizontal welding foot for extending insulating body, the insulating body is additionally provided with the locating dowel extended downwardly, the locating dowel includes the expansion section for being contained in the diminution portion of flexible PCB mounting hole and pressing on flexible PCB bottom surface upwards below flexible PCB, the diminution portion above and below expansion section with being connected, locating dowel fixes insulating body with flexible PCB, electronic card coupler is avoided to loosen, so that conducting terminal welding foot is close together with pad on flexible PCB, it ensure that the same flatness of welding foot, in welding rosin joint and missing solder phenomenon will not occur for welding foot.

Description

Electronic card coupler

Technical field

The utility model is related to a kind of electronic card coupler, more particularly to a kind of electronic card for being used to be welded on circuit board Connector.

Background technology

Electronic card coupler is generally used for electronic card being connected on circuit board or other devices, and circuit board is divided into printing Circuit board (PCB) and flexible PCB (FPC) etc..Electronic card coupler generally includes insulating body and is contained in insulating body Some conducting terminals, conducting terminal is provided with the contact site in electrical contact with electronic card and extends the welding foot of insulating body, The commonly used SMT of welding foot (Surface mount technology, surface soldered technology) mode is welded on circuit boards, Each welding foot must have good same flatness, even if however, welding foot all has good same flatness, but working as electronics Card connector because flexible PCB is partially soft, is easily deformed, it is easy to cause part welding foot when with flexible circuit plate weld There is rosin joint or missing solder, so as to cause to occur in conducting terminal user bad.

Thus, it is necessary to design a kind of new electronic card coupler to solve above-mentioned technical problem.

Utility model content

The purpose of this utility model is the provision of a kind of electronic card coupler for having and avoiding generation rosin joint and missing solder.

To realize object defined above, the utility model is adopted the following technical scheme that：A kind of electronic card coupler, to be welded in On flexible PCB, its some conducting terminal for including insulating body and being contained in insulating body, the insulating body is provided with slotting Groove, the conducting terminal is provided with the contact site being located in slot and the horizontal welding foot for extending insulating body, the insulation sheet Body is additionally provided with the locating dowel extended downwardly, and the locating dowel includes the diminution portion being contained in flexible PCB mounting hole and is located at The expansion section of flexible PCB bottom surface is pressed on below flexible PCB upwards, the diminution portion above and below expansion section with being connected.

Further, four peripheries of the expansion section protrude from diminution portion.

Further, there is the level for compressing flexible PCB upwards to compress face for the expansion section.

Further, there is the horizontal surface relative with compressing face and connection to compress face and lower surface for the expansion section Side surface, the diameter for compressing face is more than the diameter of lower surface, and the side surface is from compressing towards lower surface along oblique line or arc Line is gradually tapered up.

Further, the diminution portion is cylinder.

Further, the diminution portion is to extend upwardly to insulating body bottom surface from expansion section center.

Further, the diameter in the diminution portion is less than the diameter of expansion section.

Further, the insulating body is made up of silica gel or quality of rubber materials, and the insulating body, which is provided with, to be located in slot Conical lip, the conducting terminal includes the main part of connection contact site and welding foot, and the contact site has spherical connect Contacting surface, also protruding upward in flange, the main part is insert molded in insulating body.

Further, the contact site includes the contact head of cone, and contact head is provided separately with main part, the contact Head riveted is electrically connected with flange and main part with main part.

Further, the flange top is provided with circular open, and the contact head arches upward outwardly, is inside formed with shrinkage pool and position The wall portion that arches upward on the outside of shrinkage pool, shrinkage pool is recessed setting upwards, and the wall portion section is in conical surface, and in the outside four of wall portion It is arranged with annular riveted groove week, the riveted groove is obliquely installed, the main part extends into the connection of opening provided with being inclined upwardly Piece, the connection sheet enters riveted groove with flange riveting.

The insulating body of the utility model electronic card coupler is additionally provided with the locating dowel extended downwardly, and the locating dowel includes The diminution portion that is contained in flexible PCB mounting hole and flexible PCB bottom is pressed on upwards below flexible PCB The expansion section in face, the diminution portion above and below expansion section with being connected, and locating dowel fixes insulating body with flexible PCB, it is to avoid Electronic card coupler loosens so that conducting terminal welding foot is close together with pad on flexible PCB, it is ensured that weldering In welding rosin joint and missing solder phenomenon will not occur for the same flatness of pin, welding foot, it is therefore prevented that be sent out in conducting terminal user Life is bad, extends the service life of electronic card coupler.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the utility model electronic card coupler.

Fig. 2 is the front view that the utility model electronic card coupler is installed on flexible PCB.

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

Fig. 4 is sectional views of the Fig. 3 along A-A directions.

Fig. 5 is the schematic perspective view of the utility model electronic card coupler, and contact head is not shown.

Fig. 6 is the schematic perspective view of the conducting terminal of the utility model electronic card coupler.

Fig. 7 is the contact terminal front view of the utility model electronic card coupler.

Fig. 8 is sectional views of the Fig. 7 along B-B directions.

Embodiment

Refer to shown in Fig. 1 to Fig. 8, the utility model electronic card coupler 100 is to be welded in flexible PCB 200 On, it includes insulating body 10 and is insert molded in some conducting terminals 20 in insulating body 10.

Insulating body 10 is made up of rubber or silica gel, with good elasticity and wearability.Insulating body 10 is provided with power supply The slot 12 of subcard insertion (not shown), the conical lip 15 and downwardly projecting some locating dowels protruded into upwards in slot 12 16, the top of flange 15 is provided with circular open 150.

Locating dowel 16 is in the T-shaped stood upside down, and it includes diminution portion 161 connected up and down, expansion section 162, diminution portion 161 In cylinder, diameter is less than expansion section 162, is to extend upwardly to the bottom surface of insulating body 10 from the center of expansion section 162.Expansion section 162 four peripheries are laterally protruding in diminution portion 161, and there is the level positioned at upper end to compress face 163, positioned at lower end for expansion section 162 Horizontal surface 164 and connection compress the side surface 165 of face 163 and lower surface 164, the diameter for compressing face 163 is more than following table The diameter in face 164, side surface 165 is gradually tapered up from the face that compresses 163 to lower surface 164 along oblique line, naturally it is also possible to along camber line by Taper contracting.

Each conducting terminal 20 includes horizontal body portion 21, the contact 22 located at the end of main part 21 1 and main body 21 Side extends back the horizontal welding foot 23 of insulating body 10.Main part 21 is insert molded in insulating body 10.Main part 21 1 ends are provided with the connection sheet 210 for the extension that is inclined upwardly, and the end of connection sheet 210 is provided with arc notch 211.Contact site 22 is upward Slot 12 is extended into, to be contacted with electronic card, each welding foot 23 or so is spaced in same level.

Contact site 22 is set to cone, and the pin that bursts can be prevented on four sides, is increased the service life.Contact site 22 includes cone Contact head 220, contact head 220 is provided with ball type of contact surface 225, and contact head 220 is provided separately with main part 21, contact head 220 Riveted is electrically connected with the connection sheet 210 of the flange 15 of insulating body 10 and main part 21 with main part 21.

Contact head 220 arches upward outwardly, is inside formed with shrinkage pool 221 and the arch upward wall portion 222, shrinkage pool positioned at the outside of shrinkage pool 221 221 depression settings upwards, the section of wall portion 222 is in conical surface, and is arranged with annular riveted groove in the outside surrounding of wall portion 222 223, the riveted groove 223 is obliquely installed, and the flange 15 and the riveting of connection sheet 210 for facilitating insulating body 10 enter riveted groove 223, breach 211 abut with the medial surface of riveted groove 223, reach in electrical contact.

Insulating body 10 is made up of rubber or silica gel, using its elastic and wear-resisting shape, and flange 15 can replace conducting terminal 20 are compressed with electronic card, and guiding electronic card is contacted with contact site 22, advantageously reduces the space-consuming of contact site 22.

When the utility model electronic card coupler 100 is welded, locating dowel 16 is downwardly into the mounting hole of flexible PCB 200 201, diminution portion 161 is contained in mounting hole 201, and expansion section 162 is located at the lower section of flexible PCB 200, compress face 163 upwards against In the bottom surface of flexible PCB 201, insulating body 10 is fixed with flexible PCB 200, it is to avoid electronic card coupler 100 occurs Loosen, flexible PCB 200 is close to the bottom surface of electronic card coupler 100, so cause the welding foot 23 of conducting terminal 20 with it is soft Property circuit board 200 on pad (not shown) be close together, it is ensured that the same flatness of welding foot 23, welding foot 23 welding when Will not occur rosin joint and missing solder phenomenon, it is therefore prevented that bad, extension electronic card coupler 100 occurs in the user of conducting terminal 20 Service life.

Although for example purpose, having been disclosed for preferred embodiment of the present utility model, the common skill of this area Art personnel will realize the situation of the scope and spirit of the present utility model disclosed in not departing from by appended claims Under, various improvement, increase and substitution are possible.

Claims

1. a kind of electronic card coupler, to be welded on flexible PCB, it includes insulating body and is contained in insulating body Some conducting terminals, the insulating body be provided with slot, the conducting terminal be provided be located at slot in contact site and extension Go out the horizontal welding foot of insulating body, it is characterised in that：The insulating body is additionally provided with the locating dowel extended downwardly, the positioning Post includes being contained in the diminution portion of flexible PCB mounting hole and presses on flexible circuit upwards below flexible PCB The expansion section of plate bottom surface, the diminution portion above and below expansion section with being connected.

2. electronic card coupler according to claim 1, it is characterised in that：Four peripheries of the expansion section protrude from diminution Portion.

3. electronic card coupler according to claim 1, it is characterised in that：The expansion section has compresses flexible circuit upwards The level of plate compresses face.

4. electronic card coupler according to claim 3, it is characterised in that：The expansion section has the water relative with compressing face Flat lower surface and connection compress face and the side surface of lower surface, and the diameter for compressing face is more than the diameter of lower surface, the side Surface is gradually tapered up towards lower surface along oblique line or camber line from compressing.

5. electronic card coupler according to claim 1, it is characterised in that：The diminution portion is cylinder.

6. electronic card coupler according to claim 1, it is characterised in that：The diminution portion is from expansion section mediad Extend to insulating body bottom surface.

7. electronic card coupler according to claim 1, it is characterised in that：The diameter in the diminution portion is less than expansion section Diameter.

8. electronic card coupler according to claim 1, it is characterised in that：The insulating body is by silica gel or quality of rubber materials It is made, the insulating body is provided with the conical lip being located in slot, the conducting terminal includes connection contact site and welding The main part of pin, the contact site has ball type of contact surface, also protruding upward in flange, and the main part is insert molded in insulation Body.

9. electronic card coupler according to claim 8, it is characterised in that：The contact site includes the contact of cone Head, contact head is provided separately with main part, and the contact head riveted is electrically connected with flange and main part with main part.

10. electronic card coupler according to claim 9, it is characterised in that：The flange top is provided with circular open, institute State contact head to arch upward outwardly, be inside formed with shrinkage pool and the wall portion that arches upward on the outside of shrinkage pool, shrinkage pool is recessed setting, the wall upwards Portion section is in conical surface, and is arranged with annular riveted groove in the outside surrounding of wall portion, and the riveted groove is obliquely installed, the master Body portion extends into the connection sheet of opening provided with being inclined upwardly, and the connection sheet enters riveted groove with flange riveting.