CN201207511Y

CN201207511Y - Improved construction for extended card slot

Info

Publication number: CN201207511Y
Application number: CNU2008200932167U
Authority: CN
Inventors: 李居学; 詹启荣
Original assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Current assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Priority date: 2008-04-07
Filing date: 2008-04-07
Publication date: 2009-03-11
Anticipated expiration: 2018-04-07

Abstract

The utility model relates to an improved expansion card slot structure, in particular to an improved expansion card slot which is suitable for increasing anti-electromagnetic interference contact points, and the contact points are provided with shorter paths for conducting noise in a grounding mode so as to enhance the effect of electromagnetic interference prevention. The structure comprises a slot base, back end fixed pins, a front end fixed pin and a shielding iron sheet, wherein, the slot base comprises a front end socket and a back end port; a plurality of back end fixed pins are respectively arranged on the slot base, and are adjacent to the back end port; the shielding iron sheet is arranged on the slot base, and shields the back end port; and the shielding iron sheet comprises a plurality of contact parts and a plurality of elastic arms. The utility model has the function of conducting noise in a grounding mode by the shorter paths, and achieves the effect of enhancing electromagnetic interference prevention. Therefore, the service life of the electronic device is prolonged.

Description

The expansion card slot structure-improved

Technical field

The utility model relates to a kind of expansion card slot structure-improved, especially refers to a kind ofly be applicable to the contact point that can increase anti-electromagnetic interference, and it is had than short path so that noise ground connection is derived, and therefore improve the expansion card slot structure-improved of anti-electromagnetic interference effect.

Background technology

At present, in general electronic installation, for example video signal box, computer etc., set connectivity port (for example usb connecting port of computer, network connection port, mouse connectivity port, loudspeaker Port etc.) on its motherboard, anti-electromagnetic interference (Electromagnetic Interference, device EMI), for example conducting strip that all can have what is called, using derives noise ground connection, so that the transmission quality of signal can not be affected.

Be example with the common expansion card slot of computer (for example wireless network card, memory card, external hard drive etc.) again, please consult Fig. 1 and Fig. 2 simultaneously, Fig. 1 wherein is the stereogram of known expansion card slot structure, Fig. 2 is the local enlarged diagram of Fig. 1, known expansion card slot structure comprises a pocket base 91, and this pocket base 91 has a front end and inserts mouthful 911 and one a rear end Port 912, be provided with one in 912 groups of rear end Port and cover iron plate 92, and this to cover iron plate 92 promptly be usefulness as anti-electromagnetic interference.

In addition, pocket base 91 is provided with a plurality of fixed pins 93, and each fixed pin 93 comprises on one ora terminalis 931 and ora terminalis 932 once, wherein under ora terminalis 932 comprise a holding section 933, holding section 933 is used for being connected with motherboard.

In the design of tradition, cover iron plate 92 and include a plurality of contact points 921, and these a plurality of contact points 921 are contacted with ora terminalis 931 on each fixed pin 93 respectively.Therefore, utilize on the described contact point that covers iron plate 92 921 and the fixed pin 93 ora terminalis 931 conducting that contacts with each other, reaching derives the i.e. purpose of anti-electromagnetic interference with noise ground connection.

From the above, known expansion card slot structural design is to make on the contact point 921 that covers iron plate 92 and the fixed pin 93 ora terminalis 931 conducting that contacts with each other, and reach purpose with the derivation of noise ground connection, yet, this kind mode can make that but deriving grounding path only derives noise ground connection in two place's contact points, and the derivation path is longer, causes the effect of anti-electromagnetic interference to reduce relatively, therefore even influence life-span of electronic installation, real non-very good.

The utility model content

The utility model is at above-mentioned the deficiencies in the prior art, is intended to release a kind of contact point that increases anti-electromagnetic interference, and it is had than short path so that noise ground connection is derived, and therefore improves the expansion card slot structure-improved of anti-electromagnetic interference effect.

The technical scheme that its technical problem that solves the utility model adopts is:

The expansion card slot structure-improved comprises pocket base, rear end fixed pin, front end fixed pin and covers iron plate,

Described pocket base comprises that a front end inserts a mouth and a rear end Port;

A plurality of described rear ends fixed pin is mounted on this pocket base respectively and is adjacent to this rear end Port, and each rear end fixed pin comprises a body, a upper end and a lower end respectively;

The described iron plate that covers, be mounted on this pocket base and cover this rear end Port, and this covers iron plate and comprises a plurality of contact sites and a plurality of elastic arm, this upper end of corresponding respectively each the rear end fixed pin of contact of each contact site, corresponding respectively this lower end that contacts this body of each rear end fixed pin and be adjacent to each rear end fixed pin of each elastic arm.

Described a plurality of front end fixed pin is mounted on this pocket base respectively and is adjacent to this front end and inserts mouth.

On the pocket base of inserting the porch near front end, establish at least one reinforced ribs.

Described rear end Port comprises a plurality of electric pins.

End comprises holding section, a rear end respectively under each rear end fixed pin.

Each front end fixed pin comprises a bottom respectively, and this bottom of each front end fixed pin comprises a front end holding section respectively.

The structure improved beneficial effect of the utility model expansion card slot is: has than the function of short path, reaches the effect that improves anti-electromagnetic interference so that noise ground connection is derived, and then the useful life that can improve electronic installation.

Description of drawings

Fig. 1 is the constitutional diagram of known expansion card slot structure;

Fig. 2 is the partial enlarged drawing of the constitutional diagram of known expansion card slot structure;

Fig. 3 is one of exploded view of the present utility model;

Fig. 4 is two of an exploded view of the present utility model;

Fig. 5 is a constitutional diagram of the present utility model.

Drawing reference numeral explanation: 11, pocket base, 111, front end inserts mouth, 112, the rear end Port, 113, electric pin, 12, the rear end fixed pin, 121, the upper end, 122, the lower end, 123, body, 124, the holding section, rear end, 13, cover iron plate, 131, contact site, 132, elastic arm, 14, the front end fixed pin, 141, the bottom, 142, the front end holding section, 15, reinforced ribs, 91, pocket base, 911, front end inserts mouth, 912 Hou Duan Even connect the port, 92 Zhe Bi Iron sheets, 921 ， Jie Touch Dot, 93, Gu Ding Jie Legs, 931, upper end Edge, 932, lower end Edge, 933, the holding section

Embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

With reference to Fig. 3, Fig. 4, Fig. 5 the utility model is to implement like this:

The expansion card slot structure-improved comprises that a pocket base 11, a plurality of rear ends fixed pin 12, a plurality of front end fixed pin 14 and cover iron plate 13.

Pocket base 11 comprises that a front end inserts mouthful 111 and one a rear end Port 112, and end insertion mouth 111 is as the expansion board patchhole wherein, for example wireless network card, memory card, external hard drive etc., simultaneously, in present embodiment, hold Port 112 to comprise a plurality of electric pins 113 after the pocket base 11.

In addition, a plurality of rear ends fixed pin 12 is held Port 112 after being mounted on above-mentioned pocket base 11 respectively and being adjacent to pocket base 11, and each rear end fixed pin 12 comprises a body 123, a upper end 121 and a lower end 122 respectively.In present embodiment, rear end fixed pin 12 is two, is located at respectively to cover iron plate 13 both sides.

In addition, cover iron plate 13 and hold Port 112 after being mounted on above-mentioned pocket base 11 and covering pocket base 11, and this covers iron plate 13 and comprises a plurality of contact sites 131 and a plurality of elastic arm 132, hold 121 on above-mentioned each the rear end fixed pin 12 of the corresponding respectively contact of each contact site 131 wherein, the body 123 of above-mentioned each the rear end fixed pin 12 of the corresponding respectively contact of each elastic arm 132 also is adjacent under each rear end fixed pin 12 and holds 122.

In present embodiment, still comprise a reinforced ribs 15 and a plurality of front end fixed pin 14, wherein, end inserted mouth 111 before reinforced ribs 15 was mounted on above-mentioned pocket base 11 and is adjacent to pocket base 11, and a plurality of front end fixed pins 14 also are mounted on above-mentioned pocket base 11 and be adjacent to pocket base 11 end insertion before mouth 111, in present embodiment, front end fixed pin 14 is two, is located at groove pedestal 11 both sides respectively.

In addition, end 122 comprises holding section, a rear end 124 respectively under above-mentioned each rear end fixed pin 12, same, each front end fixed pin 14 comprises a bottom 141 respectively, and end 141 comprises a front end holding section 142 respectively under each front end fixed pin 14.So when group is established, can utilize each rear end fixed pin 12 to hold holding section 124 to hold holding section 142 to engage before afterwards and be mounted on the motherboard with each front end fixed pin 14.

Therefore, utilize above-mentioned 13 more than contact sites 131 of iron plate and a plurality of elastic arms 132 of covering, can increase the contact point of anti-electromagnetic interference, and the body 123 of corresponding respectively each the rear end fixed pin 12 of contact of each elastic arm 132 that covers iron plate 13 also is adjacent under each rear end fixed pin 12 and holds 122, so can have than short path so that noise ground connection is derived, and can therefore improve effect of preventing electromagnetic interference and then the useful life that can improve electronic installation.

The above, it only is the structure improved preferred embodiment of the utility model expansion card slot, be not that technical scope of the present utility model is imposed any restrictions, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any trickle modification, equivalent variations and modification that embodiment did.

Claims

1, expansion card slot structure-improved comprises pocket base (11), rear end fixed pin (12), front end fixed pin (14) and covers iron plate (13), it is characterized in that:

Described pocket base (11) comprises that a front end inserts mouthful (111) and a rear end Port (112);

A plurality of described rear end fixed pins (12) are mounted on this pocket base (11) respectively and are adjacent to this rear end Port (112), and each rear end fixed pin (12) comprise a body (123), a upper end (121) and a lower end (122) respectively;

The described iron plate (13) that covers, be mounted on this pocket base (11) and cover this rear end Port (112), and this covers iron plate (13) and comprises a plurality of contact sites (131) and a plurality of elastic arm (132), this upper end (121) of each rear end fixed pin (12) of the corresponding contact of each contact site (131) difference, corresponding respectively this lower end (122) that contacts this body (123) of each rear end fixed pin (12) and be adjacent to each rear end fixed pin (12) of each elastic arm (132).

2, expansion card slot structure-improved according to claim 1 is characterized in that: described a plurality of front end fixed pins (14) are mounted on this pocket base (11) respectively and are adjacent to this front end and insert mouthful (111).

3, expansion card slot structure-improved according to claim 1 is characterized in that: establish at least one reinforced ribs (15) on the pocket base of locating near front end insertion mouthful (111) (11).

4, expansion card slot structure-improved according to claim 1 is characterized in that: described rear end Port (112) comprises a plurality of electric pins (113).

5, expansion card slot structure-improved according to claim 1 is characterized in that: end (122) comprises holding section, a rear end (124) respectively under each rear end fixed pin (12).

6, expansion card slot structure-improved according to claim 1, it is characterized in that: each front end fixed pin (14) comprises a bottom (141) respectively, and this bottom (141) of each front end fixed pin (14) comprises a front end holding section (142) respectively.