CN2651964Y

CN2651964Y - Connector of electronic card

Info

Publication number: CN2651964Y
Application number: CNU032773099U
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: 2003-07-31
Filing date: 2003-07-31
Publication date: 2004-10-27
Anticipated expiration: 2013-07-31

Abstract

The utility model discloses an electronic card connector (1), which comprises an insulating main body (2), a plurality of signal terminals (21) accommodated in the insulating main body, at least one earth terminal (22) fixed at the back end of the insulating main body and a shielding shell (3) to cover the insulating main body. The shielding shell wherein comprises an upper wall (31) and two lateral walls (32). The upper wall and the two lateral walls are assembled to form an accommodation space to accommodate an electronic card. In addition, the upper wall is arranged with an earth lug (36) that can be extended into the accommodation space. An earth pin (35) is extended from the back end of the shielding shell and electrically connected with the earth terminal. Based on the structure, the utility model can conveniently arrange an electronic card connector on a circuit board.

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 electronic card coupler.

[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 such 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 interference that the increase of transmission speed and conducting terminal density causes telecommunication transmission to be subjected to make an uproar in the environment more sees seriously, and the static that electronics is stuck in its surface aggregation when pegging graft also can influence the quality that telecommunication is transmitted.

See also and announce in No. 474501 patent of purpose Taiwan patent announcement January 21 in 2002, it has disclosed a kind of electronic card coupler 100, as shown in Figure 1, it is typically provided with an earthing component 102, this earthing component 102 is provided with the ground strip 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 103 then and electrically conduct, reach the effect of eliminating the static that the electronic cards surface forms.The earthing component 102 of this electronic card coupler 100 is fixed on the insulating body 101 usually, and its grounding leg 1021 can adopt the mounted on surface skill with the conducting terminal 1011 of connector, and (Surface Mount Technology SMT) is welded on the circuit board.But aforementioned earthing component 102 is 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 the sheet metal warpage, 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 earthing component 102 and the conducting terminal 1011 in the insulating body 101 during welding respectively, its manufacture process is inconvenience relatively.Based on above situation, as shown in Figure 2, industry adopts again establishes electronic transfer unit 203 or transfers the ground path formation conducting of sub-circuit board (not shown) with grounding leg 206 with the circuit board of conducting terminal 204 and earthing component 205 between insulating body 201 and circuit board 202, but increase electronic transfer unit or switching sub-circuit board will additionally increase manufacture process and manufacturing cost, and can increase the space shared, be unfavorable for the development trend of notebook computer miniaturization with the combination of electronic card coupler.

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 electronic card coupler, and its simple installation is reliable.

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

For reaching above-mentioned purpose, the utility model 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 respective channel, be fixed at least one earth terminal of insulating body rear end and cover shielding casing on the insulating body, shielding casing comprises upper wall and two side, upper wall and two side surround and form the receiving space that is used for accommodating electronic cards, be provided with the ground strip that may extend in the aforementioned receiving space on upper wall, extension is provided with the grounding leg that electrically contacts with aforementioned earth terminal from the shielding casing rear end.

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 utility model electronic card coupler.

Fig. 4 is the three-dimensional combination figure of the utility model electronic card coupler.

Fig. 5 is the stereogram of the earth terminal of the utility model electronic card coupler.

Fig. 6 is the partial sectional view of the utility model electronic card coupler, with the clear grounding leg of shielding casing and the annexation of earth terminal of showing.

[embodiment]

See also shown in Figure 3ly, the utility model electronic card coupler 1 is mounted on the printed circuit board (PCB) (not shown), and it comprises insulating body 2, is housed in plurality of conductive terminals 21,22, shielding casing 3, trip mechanism 4 and bracing or strutting arrangement 5 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 21,22 is housed in the aforementioned terminal channel, and these conducting terminals 21,22 comprise and are housed in the some signal terminals 21 in the intermediate terminal passage and lay respectively at aforementioned signal terminal both sides and be retained on a pair of earth terminal 22 in the insulating body.The lengthwise two ends of the matrix 20 of insulating body 2 are respectively equipped with a pair of groove 23.

Please cooperate and consult Fig. 4 and shown in Figure 5, earth terminal 22 comprises crooked contacting department 222 in the middle of being positioned at, extends upward that edge is embedded in the installation portion 221 of insulating body 2 and from the contact site 222 welding afterbodys 223 of bending extension and backward downwards from contact site 222.

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, upper wall 31 surrounds to form with two side 32 and is used for accommodating the receiving space (not label) of electronic cards (not shown) in it, and the corner of sidewall 32 and upper wall 31 is provided with various grooves 33 and buckle structure 37 trip mechanism 4 and the bracing or strutting arrangement 5 in order to this electronic card coupler 1 of fixing.These grooves 33 and buckle structure 37 are prior art, no longer describe in detail herein.The rear portion central authorities of the upper wall 31 of shielding casing 3 are provided with some ground strips 36 that a row is arranged side by side, these ground strips 36 are the flexure strips from the upper wall 31 downward-sloping extensions of shielding casing 3, when electronic cards (not shown) was inserted the utility model electronic card coupler 1, these ground strips 36 can be resisted against the corresponding salient point (not shown) in electronic cards surface and go up and electrically connect with surperficial formation of electronic cards.End from the close two side 32 of the upper wall 31 of shielding casing 3 has been bent to form a pair of grounding leg 35 downwards.32 terminal bending downwards extends to form a fixed part 34 from the two side.

See also Fig. 4 and shown in Figure 6, shielding casing 3 is assembled on the insulating body 2, wherein the fixed part 34 of sidewall 32 ends of shielding casing 3 matches with the groove 23 of matrix 20 both sides of insulating body 2, by bolt (not shown) shielding casing 3 is locked on insulating body 2 then.When shielding casing 3 was assembled on the insulating body 2, the grounding leg 35 of its upper wall 31 rear ends just was resisted against on the crooked contacting department 222 of aforementioned earth terminal 22, thereby electrically conducted at shielding casing 3 and 22 formation of earth terminal.

See also shown in Figure 4ly, 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 36.In addition, this electronic card coupler 1 is provided with bracing or strutting arrangement 5, and it is fixed on the sidewall 32 of shielding casing 3 by buckle 36, and can pass through bolt (not shown) locking on circuit board.These trip mechanisms 4 and bracing or strutting arrangement 5 also are prior art, also no longer describe in detail herein.

After whole electronic card coupler 1 assembling, can be welded on the circuit board by the afterbody of SMT technology with terminal 21,22.

The utility model electronic card coupler 1, its shielding casing 3 upper walls 31 are provided with ground strip 36, can form with the surface that is housed in the electronic cards (not shown) in the electronic card coupler 1 and electrically connect, earth terminal 22 is gone up corresponding ground path welding with circuit board (not shown), shielding casing 3 forms ground connection by the grounding leg 35 of upper wall 31 ends with earth terminal 22 electric connections, only need weld these terminals 21 when being assembled in electronic card coupler 1 on the circuit board, 22 afterbody, assemble simple and convenient, can effectively reduce the shared space of electronic card coupler, help the miniaturization of notebook computer.

Claims

1. electronic card coupler, it comprises insulating body, some signal terminals and shielding casing; Run through insulating body and be formed with the plurality of terminals passage, signal terminal is housed in the corresponding terminal passage of insulating body, shielding casing covers on the insulating body, and it comprises upper wall and two side, and aforementioned upper wall and two side surround and form the receiving space that is used for accommodating electronic cards; It is characterized in that: at least one earth terminal is retained on the rear end of insulating body, and aforementioned shielding casing upper wall is provided with the ground strip that may extend in the aforementioned receiving space, extends in the rear end of shielding casing to be provided with and the contacted grounding leg of aforementioned earth terminal.

2. electronic card coupler as claimed in claim 1 is characterized in that: the set ground strip of aforementioned shielding casing upper wall is the some shell fragments that cave inward.

3. electronic card coupler as claimed in claim 1 is characterized in that: aforementioned grounding leg is to extend to form vertically downward from the rear end of shielding casing upper wall near the two side.

4. electronic card coupler as claimed in claim 1 is characterized in that: aforementioned earth terminal comprises the crooked contacting department in the middle of being positioned at, and the grounding leg of aforementioned shielding casing is to connect with this crooked contacting department.

5. electronic card coupler as claimed in claim 4 is characterized in that: aforementioned earth terminal comprises that also extending upward edge from contact site is embedded in installation portion in the insulating body.

6. electronic card coupler as claimed in claim 5 is characterized in that: aforementioned earth terminal also comprises the afterbody that also bends extension from contact site downwards backward.

7. electronic card coupler as claimed in claim 1, it is characterized in that: aforementioned dielectric body both sides are respectively equipped with groove, the terminal bending downwards in aforementioned shielding casing two side has extended to form fixed part, and this fixed part is contained in the aforementioned grooves and can shielding casing be fixed on the insulating body by bolt.

8. electronic card coupler as claimed in claim 1 is characterized in that: it also comprises the trip mechanism that is fixed on the shielding casing sidewall.

9. electronic card coupler as claimed in claim 1 is characterized in that: it further comprises the bracing or strutting arrangement that is fixed on the shielding casing sidewall.

10. electronic card coupler as claimed in claim 1 is characterized in that: aforementioned earth terminal lays respectively at aforementioned signal terminal both sides.