CN201584530U - Electronic card - Google Patents

Abstract

An electronic card comprises a circuit board, a plurality of elastic terminals and a first housing, wherein the circuit board comprises a main body part and a butt joint part, a plurality of sheet metal conducting strips electrically connected with the circuit board are arranged on the upper surface of the butt joint part, the electronic card further comprises an insulating piece arranged on the circuit board and a rib positioned between the first housing and the circuit board and propped on the circuit board, and each elastic terminal comprises a tail part mounted on the circuit board, an elastic contact part positioned above the butt joint part of the circuit board, and a connecting part connected with the contact part and the tail part and fixed on the insulating piece.

Description

Electronic cards

[technical field]

The relevant a kind of electronic cards of the utility model relates in particular to a kind of electronic cards that is provided with circuit board.

[background technology]

Related art can be consulted a kind of electronic cards that is disclosed for disclosed U.S. application for a patent for invention US2009/0093136A1 number on April 9th, 2009, this electronic cards comprises a circuit board, the plurality of elastic terminal that this circuit board is provided with the number of metal conducting strip and is positioned at metallic conduction sheet rear, this flexible terminal comprise the afterbody that is soldered on the circuit board and extend and the contact site of projection above circuit board from afterbody.Yet, owing to there is not other fixture between this afterbody and the contact site, when this electronic cards is inserted socket connector, contact site deforms afterbody is produced active force, thereby it is loosening to make that afterbody takes place on circuit board easily, has influenced flexible terminal and has been soldered to the reliability that the back combines with circuit board on the circuit board.

Therefore, at above-mentioned technical problem, be necessary to provide a kind of structure improved electronic cards that has, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of flexible terminal that guarantees to combine electronic cards reliably with circuit board.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of electronic cards, it comprises circuit board, plurality of elastic terminal that is installed on the circuit board and electrically connects with circuit board and first shell of coating circuit plate, described circuit board comprises the docking section that main part and autonomous body extend forward, the upper surface of described docking section is provided with some sheet metal conducting strips that electrically connect with circuit board, wherein, described electronic cards also comprises the collets that are located on the circuit board and between first shell and circuit board and support fin on circuit board, described flexible terminal comprises the afterbody that is installed on the circuit board, be positioned at the elastic contact part of circuit board docking section top and connect contact site and afterbody and be retained on connecting portion on the collets.

Compared with prior art, the utlity model has following beneficial effect: when contact site deforms, because being fixed on the collets, connecting portion can not deform, thereby can prevent from when deforming to produce active force and make afterbody that loosening phenomenon take place, guarantee the afterbody of flexible terminal and the reliable connection of circuit board being welded on afterbody on the circuit board because of contact site.In addition, fin supports and can prevent circuit board generation excessive deformation on circuit board.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electronic cards.

Fig. 2 is the part exploded view of the utility model electronic cards.

Fig. 3 is the part exploded view of another angle of the utility model electronic cards.

Fig. 4 is the three-dimensional exploded view of the utility model electronic cards.

Fig. 5 is the three-dimensional exploded view of another angle of the utility model electronic cards.

Fig. 6 is the cutaway view along A-A line among Fig. 1.

[embodiment]

Please refer to Fig. 4 and shown in Figure 5, the utility model electronic cards 100 is a kind of USB3.0 storage card, it can be plugged on the USB3.0 socket connector (not shown), it comprises circuit board 1, is installed in the shell 4 of flexible terminal 2, collets 3, coating circuit plate 1 and collets 3 on the circuit board 1, on the described circuit board 1 various elements (not shown) such as memory chip or passive device can be set.

See also Fig. 1 to shown in Figure 6, circuit board 1 comprises the docking section 11 that the front end of main part 10 and autonomous body 10 extends forward.Docking section 11 is provided with a pair of shrinkage pool 15 up and down that runs through, and the upper surface of docking section 11 is provided with the number of plate-shaped metallic conduction sheet 13 that is arranged into a row, and the lower surface of docking section 11 is provided with the number of metal bonding pad 12 that is arranged into a row.These metallic conduction sheets 13 are the golden finger on the circuit board 1, and docking section 11 is provided with some perforates that run through up and down 14 that are provided with and are arranged into a row along left and right directions at interval at the rear of metallic conduction sheet 13.

The elastic contact part 21 of 11 tops, docking section that flexible terminal 2 comprises the afterbody 23 that is welded on the circuit board 1, be positioned at circuit board 1 and the connecting portion 22 that connects contact site 21 and afterbody 23.Contact site 21 upwards bends extension forward after the bending again from the rear end of connecting portion 22, so is provided with, and can increase the elasticity of contact site 21.Contact site 21 can move up and down in the perforate 14 of circuit board 1, it is provided with and passes perforate 14 and downward opening arc kink 211, but the front end of described contact site 21 forms the end 213 that easy on and off moves, thereby keeps enough elasticity when contact site 21 is moved up and down.This perforate 14 can be the contact site 21 flexible spaces that provide enough of giving full play to, the afterbody 23 of flexible terminal 2 extends forward and is welded in the metal welding contact pin 12 of circuit board 1 docking section 11 lower surfaces from the front end of connecting portion 22, this afterbody 23 is with surface mounting technology (Surface MountingTechnology, SMT) be welded on the lower surface of circuit board 1 docking section 11, elements such as memory chip or passive device be set more space is provided thereby can be circuit board 1 main part 10 lower surfaces.In addition, the kink 211 of contact site 21 is provided with fin 212, thereby can improve the reliability that this contact site 21 docks with the USB3.0 socket connector.Connecting portion 22 edge of flexible terminal 2 buries and is molded on the collets 3, thereby connecting portion 22 can be retained on the collets 3 better, and has reduced flexible terminal 2 and be assembled in step on the collets 3, has reduced production cost.In other embodiments, described connecting portion 22 also can be assembled on the collets 3.Collets 3 are provided with the projection 35 in a pair of shrinkage pool that is fixed on circuit board 1 15, thereby collets 3 can be retained on the circuit board 1.Flexible terminal 2 meets the USB3.0 transmission standard with arranging of metallic conduction sheet 13, the contact site 21 of flexible terminal 2 is arranged in the top of docking section 11 jointly with metallic conduction sheet 13 and is arranged into two different rows of front and back respectively, be that metallic conduction sheet 13 is arranged in the front row, the contact site 21 of flexible terminal 2 is arranged in back row.Electronic cards 100 of the present utility model is before being welded on flexible terminal 2 on the circuit board 1, connecting portion 22 with flexible terminal 2 is fixed on the collets 3 earlier, so be provided with, can be embodied as registration flexible terminal 2, be convenient to the accurate location of weld part 23 in welding process of flexible terminal 2.In addition, when electronic cards 100 is plugged on the USB3.0 socket connector, the contact site 21 of flexible terminal 2 deforms, because being fixed on the collets 3, connecting portion 22 can not deform, thereby can prevent from the afterbody 23 that is welded on the circuit board 1 to be produced active force because of contact site 21 deforms, therefore, the setting of these collets 3 also can guarantee the reliable connection of afterbody 23 with the circuit board 1 of flexible terminal 2.

Shell 4 comprises first shell 41 that is coated on circuit board 1 and collets 3 belows and second shell 42 that is coated on circuit board 1 top.First shell, 41 one extend upward and form the fin that supports below circuit board 1, and this fin comprises some first fins 411 that are positioned at collets 3 the place aheads and some second fins 412 that are positioned at collets 3 rears.Can be between first fin 411 and second fin 412 thereby these collets 3 are clamped in so that these collets 3 are positioned on first shell 41 better.Described first fin 411 is arranged into one of setting at interval along left and right directions and arranges and support below circuit board 1 docking section 11, and the afterbody 23 of flexible terminal 2 is corresponding respectively to be arranged between two the first adjacent fins 411.Described second fin 412 is arranged into perforate 14 places of arranging and supporting in circuit board 1 correspondence that are provided with at interval along left and right directions, and described second fin, 412 corresponding perforates 14 positions are respectively equipped with fluting 413, thereby connecting portion 22 is housed in respectively in the corresponding fluting 413 and can prevents to touch each other when adjacent connecting portion 22 from deforming, and slots and 413 can be moving up and down of contact site 21 space is provided.When this electronic cards 100 connects with socket connector, this first fin 411 and second fin 412 support simultaneously when thereby the terminal that is being subjected in the docking section 11 that can prevent circuit board 1 below circuit board 1 docking section 11 on the socket connector compresses downwards and deform, and have increased the intensity and the smoothness of circuit board 1.In the present embodiment, first fin 411 and second fin 412 all are to extend to form from first shell, 41 one, in other execution modes of the present utility model, described first fin 411 and second fin 412 also can be arranged with first shell in 41 minutes, this moment, first fin 411 and second fin 412 can be installed on first shell 41 or the circuit board 1, can reach the purpose of this utility model equally.Second shell 42 comprises the roof 420 that is positioned at circuit board 1 top, the upper surface front end of this roof 420 is provided with a depression 421, described roof 420 is provided with some first accepting grooves 422 that supply metallic conduction sheet 13 to expose at depression 421 places, described roof 420 is provided with some second accepting grooves 423 that expose for the arc kink 211 of elasticity terminal 2 contact sites 21 in depression 421 rear end, thereby the end 213 of described contact site 21 upwards supports and can prevent that on roof 420 contact site 21 from excessive deformation upwards taking place.

In sum, it below only is preferred embodiment of the present utility model, should not limit scope of the present utility model with this, promptly every simple equivalent of doing according to the utility model claims and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (10)

1. electronic cards, it comprises circuit board, plurality of elastic terminal that is installed on the circuit board and electrically connects with circuit board and first shell of coating circuit plate, described circuit board comprises the docking section that main part and autonomous body extend forward, the upper surface of described docking section is provided with some sheet metal conducting strips that electrically connect with circuit board, it is characterized in that: described electronic cards also comprises the collets that are located on the circuit board and between first shell and circuit board and support fin on circuit board, described flexible terminal comprises the afterbody that is installed on the circuit board, be positioned at the elastic contact part of circuit board docking section top and connect contact site and afterbody and be retained on connecting portion on the collets.

2. electronic cards as claimed in claim 1 is characterized in that: described collets are located at the below of circuit board, and described fin comprises and is positioned at collets the place ahead and supports first fin below the docking section of circuit board.

3. electronic cards as claimed in claim 2, it is characterized in that: described first fin is for being provided with and being arranged into several of a row at interval along left and right directions, and the afterbody of described flexible terminal extends forward and is separately positioned between two the first adjacent fins from the front end of connecting portion.

4. electronic cards as claimed in claim 2, it is characterized in that: the docking section of described circuit board is provided with some perforates that are provided with at interval and run through up and down along left and right directions at the rear of metallic conduction sheet, described contact site can move up and down in perforate, but described contact site is provided with respectively and passes the end that corresponding perforate and downward opening arc kink and easy on and off are moved.

5. electronic cards as claimed in claim 4 is characterized in that: described fin comprises also and is positioned at the collets rear and supports second fin below circuit board that described collets are clamped between first fin and second fin.

6. electronic cards as claimed in claim 5 is characterized in that: described second fin for arrange along left and right directions and respectively with the perforate of circuit board corresponding several, the corresponding position of opening of described second fin is respectively equipped with the fluting that can move up and down for contact site.

7. electronic cards as claimed in claim 6 is characterized in that: the connecting portion of described flexible terminal is housed in respectively in the corresponding fluting, and the contact site of described flexible terminal upwards bends extension forward after the bending again from the rear end of connecting portion.

8. electronic cards as claimed in claim 4, it is characterized in that: described electronic cards also comprises second shell, described second shell is provided with the roof of coating circuit plate top, described roof is provided with some first accepting grooves that expose for the metallic conduction sheet and some second accepting grooves that exposes for the arc kink of elasticity termination contact portion, and the end of described contact site upwards supports on roof.

9. electronic cards as claimed in claim 1 is characterized in that: described fin extends to form from the first shell one.

10. electronic cards as claimed in claim 1, it is characterized in that: arranging of described flexible terminal and metallic conduction sheet meets the USB3.0 transmission standard, the contact site of described metallic conduction sheet and flexible terminal is arranged into two rows respectively, and the metallic conduction sheet is arranged in the place ahead of contact site.

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