CN2660696Y

CN2660696Y - Electronic card connector

Info

Publication number: CN2660696Y
Application number: CNU032776950U
Authority: CN
Inventors: 余宏基
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-08-12
Filing date: 2003-08-12
Publication date: 2004-12-01
Anticipated expiration: 2013-08-12

Abstract

The utility model discloses an electric card connector, comprising an insulating body, a plurality of signal terminals housed by the insulating body, at least one grounding terminal fastened on the tailend of the insulating body, a shielding shell and grounding components. The grounding component comprises a main body. A plurality of grounding spring-plates are arranged on the main body, a grounding foot linked to the grounding terminal by electric connection extends from the rear end of the main body; the grounding component is fixed at the tailend of the electric card connector, and electric connection with the circuit board is achieved through the grounding terminal. The utility model is easy to install and reliable, and capable to meet the development trend of mini-type notebook computer.

Description

Electronic card coupler

[technical field]

The relevant a kind of electronic card coupler of the utility model relates in particular to a kind of easy installation and reliable and electronic card coupler that overall structure is less.

[background technology]

Notebook computer mostly on motherboard group be provided with electronic card coupler, make its can with insert outside data access arrangement in this connector (as electronic cards etc.) and carry out the telecommunication transmission.The connector volume reduces and the telecommunication transmission quantity increases the trend that has become the notebook computer development.But the increase of transmission speed and conducting terminal density causes telecommunication more seen seriously by the interference of electronic noise in the environment, and the static of electronic cards its surface aggregation when pegging graft also can influence the quality of telecommunication transmission.

See also No. 474501 patent of Taiwan patent announcement of being announced on January 21st, 2002, the existing electronic card coupler 100 of its announcement, as shown in Figure 1, be typically provided with an earthing component 102, this earthing component 102 is provided with the grounding elastic part 1022 of some extensions that cave inward to connect with the electronic cards surface, weld mutually to form by its grounding leg 1021 and ground path on the circuit board then and electrically conduct, reach and eliminate the noise that the electronic cards surface forms and the effect of static.This electronic card coupler 100, its earthing component 102 is fixed on the insulating body 101 usually, and its grounding leg 1021 can adopt SMT, and (SMT) technology is welded on the circuit board for surface mounting technology, Surface Mount Technology with the terminal of connector.But, aforementioned earthing component 102 is a slice sheet metals, when directly welding its grounding leg 1021, this sheet metal can produce endothermic effect and produce the situation that stress is concentrated, its Stress Release of cooling back can cause sheet metal to deform, thereby destroy original welding effect and cause electronic card coupler ground connection poor effect, influence the reliability of signal transmission, and need weld the grounding leg 1021 of ground strip and the signal terminal 1011 in the insulating body during welding respectively, its manufacture process is inconvenience relatively.Based on above situation, as shown in Figure 2, industry adopts again establishes a circuit board or adapter 203 ground path of aforementioned conducting terminal 204 and grounding leg 205 and circuit board is formed conducting between insulating body 201 and circuit board 202, but, increase adapter or circuit board and will additionally increase manufacture process and manufacturing cost, and can increase with electronic card coupler combination institute and take up space, be unfavorable for the development trend of notebook computer miniaturization.

Therefore, necessary existing electric connector is improved, to overcome aforementioned disadvantages of the prior art

[utility model content]

The purpose of this utility model is to provide a kind of simple installation reliable electronic card coupler.

Another purpose of the present utility model is to provide a kind of integral body less electronic card coupler that takes up room.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: the earth terminal that a kind of electronic card coupler comprises the insulating body that is provided with the plurality of terminals passage, be housed in some signal terminals in the insulating body terminal channel, at least one is fixed on the insulating body rear end, cover shielding casing and earthing component on the insulating body.The common formation of shielding casing and insulating body can be accommodated the host cavity of electronic cards, earthing component is fixed on the electronic card coupler end, it comprises main part, the grounding leg that main part is provided with some grounding elastic parts of may extend in the aforementioned host cavity and can electrically contacts with aforementioned earth terminal.

Compared with prior art, the utility model electronic card coupler has following beneficial effect: ground strip is located on the shielding casing, shielding casing contacts with earth terminal by grounding leg and forms ground connection, only weld conducting terminal during welding, so endothermic effect in the time of can not existing existing earthing component to weld, and needn't separately weld ground strip and conducting terminal, its installation is simple and convenient.In addition, the utility model electronic card coupler is directly welded on the circuit board, and does not need to establish in addition adapter or circuit board, has reduced the whole institute of electronic card coupler and has taken up space, and satisfies the development trend of notebook computer miniaturization.

[description of drawings]

Fig. 1 is a kind of three-dimensional exploded view of existing electronic card coupler.

Fig. 2 is the three-dimensional exploded view of another kind of existing electronic card coupler.

Fig. 3 is the three-dimensional exploded view of the electronic card coupler shown in the utility model first execution mode.

Fig. 4 is the three-dimensional combination figure of electronic card coupler as shown in Figure 3.

Fig. 5 is the three-dimensional exploded view of the electronic card coupler shown in the utility model second execution mode.

Fig. 6 is the three-dimensional combination figure of electronic card coupler as shown in Figure 5.

Fig. 7 is the partial sectional view of electronic card coupler as shown in Figure 6, with the clear fixing relation that shows earthing component and shielding casing.

Fig. 8 is that the earthing component of demonstration the utility model electronic card coupler also can be fixed on the three-dimensional exploded view on the insulating body.

Fig. 9 is the stereogram of the earth terminal of the utility model electronic card coupler.

Figure 10 is the partial sectional view of the utility model electronic card coupler, with the clear grounding leg of earthing component and the matching relationship of earth terminal of showing.

[embodiment]

See also shown in Figure 3, the electronic card coupler 1 of the utility model first execution mode, be to be installed on the printed circuit board (PCB) (not shown), it comprises insulating body 2, is housed in plurality of conductive terminals 23, shielding casing 3, trip mechanism 4, earthing component 5 and bracing or strutting arrangement 6 in the insulating body 2.

Insulating body 2 comprises the matrix 20 that lengthwise extends, be provided with plurality of terminals passage (not label) in the matrix 20, plurality of conductive terminals 23 is housed in the aforementioned terminal channel, and these conducting terminals 23 comprise a pair of earth terminal 232 that is housed in the some signal terminals 231 in the intermediate terminal passage and lays respectively at signal terminal 231 both sides.Vertical extent forms a pair of side arm 21 respectively from the lengthwise two ends of the matrix 20 of insulation body 2, and matrix 20 is respectively equipped with a groove 22 with side arm 21 connecting places on two side arms 21.

Please cooperate and consult Fig. 9 and shown in Figure 10, earth terminal 232 comprises the crooked contacting department 2322 in the middle of being positioned at, from contact site 2322 extend upward edge be embedded in insulating body 2 in installation portion 2321 and from the contact site 2322 welding afterbodys 2323 of bending extension downwards and backward.

See also shown in Figure 3, shielding casing 3 is to be processed to form by the metal lamellar body, it comprises upper wall 31 and the sidewall 32 that is bent to form from upper wall 31 both sides downwards, these upper walls 31 and sidewall 32 common encirclements form host cavities (not label) of accommodating electronic cards, and the corner of sidewall 32 and upper wall 31 is provided with various grooves 33 and buckle structure 34 and is used for the trip mechanism 4 of this electronic card coupler 1 of fixing.These grooves 33 and buckle 34 structures are existing prior aries, no longer describe in detail herein.The rear portion central authorities of the upper wall 31 of shielding casing 3 are provided with the plurality of fixed part 35 that a row is arranged side by side, and are provided with a rectangular aperture 36 in upper wall 31 upper fixing elements 35 fronts.32 terminal bending downwards extends to form a fixed part 37 in the two side.

Earthing component 5 is to be formed by metal lamellar body punch process, and it comprises the roughly main part 51 of piece shape shape, and the autonomous body 51 in substantial middle position extends to form some grounding elastic parts that are arranged side by side 52 to lower recess on main part 51.These shell fragment 52 rears are provided with the some perforation 53 identical with fixture 35 quantity of aforementioned shielding casing 3 upper walls 31 on main part 51.Autonomous relative both sides, body 51 rear ends have been bent to form a pair of grounding leg 54 respectively downwards.

See also shown in Figure 4, when shielding casing 3 is assembled on the insulating body 2, wherein the fixed part 37 of sidewall 32 ends of shielding casing 3 matches with the groove 22 of matrix 20 both sides of insulating body 2, by bolt (not shown) shielding casing 3 is locked on insulating body 2 then, the fixture 35 of shielding casing 3 upper walls 31 penetrates in the correspondence perforation 53 of earthing component 5 earthing component 5 riveteds is fixed on the shielding casing 3, the grounding elastic part 52 of earthing component 5 just is positioned at opening 36 positions of baffle shell 3 upper walls 31 and extends the upper wall 31 of shielding casing 3 downwards, its grounding leg 54 is resisted against on the crooked contacting department 2322 of aforementioned earth terminal 232, thereby electrically conducts at

earthing component

5 and 232 formation of earth terminal.When electronic cards (not shown) when inserting this electronic card coupler 1; these grounding elastic parts 52 can be resisted against on the corresponding salient point on electronic cards surface; and aforementioned grounding leg 54 has formed electric connection with earth terminal 232; so the electronic cards surface forms ground connection by the electric connection of grounding leg 54 and earth terminal 232, thus the signal transmission of protection electronic cards.

Please continue to consult shown in Figure 4, trip mechanism 4 is fixed on the sidewall 32 of shielding casing 3 by groove 33 on the aforementioned shielding casing 3 and buckle structure 34.In addition, this electronic card coupler 1 is provided with bracing or strutting arrangement 6, and it is fixed on the sidewall 32 of shielding casing 3 by buckle 34, and can be locked on the circuit board by bolt (not shown).These trip mechanisms 4 and bracing or strutting arrangement 6 also are prior art, also no longer describe in detail herein.

As second execution mode of the present utility model, see also shown in Figure 5ly, all the structure with first execution mode is identical for the structure of insulating body 2 ', conducting terminal 23 ', trip mechanism 4 ' and bracing or strutting arrangement 6 ' in the utility model second execution mode.Second execution mode is that with the difference of first execution mode fixed form of its earthing component is different, shielding casing 3 ' upper wall 31 ' rear end forms a roughly rectangular otch 38 ' in second execution mode, and on the upper wall 31 ' of these otch 38 ' both sides, form a slit 39 ' respectively, earthing component 5 ' the autonomous body 51 ' both sides of second execution mode extend to form a pair of retaining sheet 55 ' respectively downwards, see also Figure 6 and Figure 7, during assembling, in the aforementioned slots 39 ' of the at first corresponding insertion shielding casing of the retaining sheet 55 ' of earthing component 5 ' main part 51 ' both sides 3 ' upper wall 31 ', then retaining sheet 55 ' is passed the part bending of aforementioned slots, thereby earthing component 5 ' is fixed on the shielding casing 3 '.

As other execution mode of the present utility model, see also shown in Figure 8, aforementioned earthing component 5 ' also can be fixed on the insulating body 2 ' by the slit of being located on the insulating body 2 ' 39 ', perhaps additionally be provided with in insulating body 2 ' matrix 20 ' both sides the band slit plastics guide groove (not shown) and earthing component 5 ' is fixed on the plastics guide groove.

After whole electronic card coupler 1, the 1 ' assembling, can terminal 23,23 ' afterbody be welded on the circuit board by the SMT technology.

The utility model electronic card coupler 1,1 ', its earthing component 5,5 ' by earth terminal 23,23 ' and circuit board electrically connect and reach ground connection, endothermic effect in the time of can not existing existing earthing component to weld, only need weld these terminals 23,23 ' afterbody when being assembled in electronic card coupler 1,1 ' on the circuit board, easy to assembly reliable.And do not need to use adapter, can effectively reduce electronic card coupler and take up space, help the miniaturization of notebook computer.

Claims

1. electronic card coupler, be provided with in it comprises the plurality of terminals passage insulating body, be contained in some signal terminals in the aforementioned dielectric body terminal passage, be covered in the shielding casing and the earthing component of insulating body top, the common formation of aforementioned shielding casing and insulating body can be accommodated the host cavity of electronic cards; It is characterized in that: this electronic card coupler comprises that also at least one is immobilizated in the earth terminal of insulating body rear end; Aforementioned earthing component is immobilizated in electronic card coupler Hou end, and earthing component comprises main part, the grounding leg that main part is provided with some grounding elastic parts of may extend in the aforementioned host cavity and can electrically contacts with aforementioned earth terminal.

2. electronic card coupler as claimed in claim 1 is characterized in that: earthing component is to be fixed in the shielding casing rear end.

3. electronic card coupler as claimed in claim 1 is characterized in that: earthing component is to be fixed in the insulating body rear end.

4. electronic card coupler as claimed in claim 2, it is characterized in that: also be provided with some perforation on the earthing component main part, aforementioned shielding casing rear portion is provided with the plurality of fixed part, and the perforation that these fixtures pass aforementioned earthing component is fixed in the shielding casing rear end with earthing component.

5. electronic card coupler as claimed in claim 4 is characterized in that: aforementioned shielding casing rear portion central authorities are provided with opening, and the grounding elastic part of aforementioned earthing component is just from the aperture position of shielding casing and extend down in the aforementioned host cavity.

6. electronic card coupler as claimed in claim 2 is characterized in that: aforementioned earthing component is to be fixed in the shielding casing rear end by retaining sheet.

7. electronic card coupler as claimed in claim 6, it is characterized in that: be bent to form at least one retaining sheet respectively downwards from earthing component main part both sides, aforementioned shielding casing upper wall rear end is provided with otch, and being provided with a slit at least in the otch both sides, the retaining sheet of aforementioned earthing component just passes this slit and earthing component is fixed on the shielding casing.

8. electronic card coupler as claimed in claim 7 is characterized in that: the grounding elastic part of aforementioned earthing component extends down in the aforementioned host cavity from the otch of shielding casing.

9. electronic card coupler as claimed in claim 3, it is characterized in that: the aforementioned dielectric body comprises matrix and the two side arms of extending from the matrix opposite end, on two side arms, be formed with some slits, be bent to form at least one retaining sheet respectively downwards from earthing component main part both sides, these retaining sheets pass aforementioned slots and earthing component are fixed on the insulating body.

10. electronic card coupler as claimed in claim 3, it is characterized in that: insulating body matrix both sides are fixed with the plastics guide groove that a pair of upper surface is provided with some slits, aforementioned earthing component both sides are provided with retaining sheet, and these retaining sheets are contained in the slit of aforementioned plastics guide groove upper surface and earthing component is fixed on the electronic card coupler.