CN2347286Y

CN2347286Y - Keysnts of electrical connector

Info

Publication number: CN2347286Y
Application number: CN 98247051
Authority: CN
Inventors: 吴敏芳; 余宏基; 何有明
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: 1998-11-25
Filing date: 1998-11-25
Publication date: 1999-11-03
Anticipated expiration: 2008-11-25

Abstract

The utility model relates to a keyset of an electrical connector, comprising a signal device, a grounding device, and a power supply switching device. The power supply switching device at least comprises two connecting guide sheets. One end of one of the connecting guide sheet is connected with two certain plug jacks of the signal device, the other end of one of the connecting guide sheet is connected with four certain conducting sheets of the signal device, the four conducting sheets are respectively positioned in the two plug jacks, and the two contiguous conducting sheets are communicated with a grounding circuit of a main basal plate. When a keyset bears high current, the keyset of an electrical connector also has a grounding function. The side which bears low current also has a grounding function simultaneously. The keyset effect of the keyset is good, and the protection effect on the noise interference is more ideal.

Description

Electric connector interconnecting board

The utility model is about a kind of electric connector interconnecting board, especially a kind of can with the keyset of the firm electric connector of pegging graft of bayonet connector.

Common keyset structure comprises substantially: signal device, earthing device and electric power switching device, disturb to consider for the protection noise, the both sides of the signal device on the keyset be grounded device ring around.Relevant design such as Taiwan patent 85,219, disclosed for No. 426, on its keyset the both sides of per two signal devices by earthing device around, can carrying high and low electric current, and have mutual ground connection effect, when the high electric current of switching carrying, one side of carrying low current can be brought into play the ground connection effect simultaneously, not only make switching respond well, and protection noise effects of jamming is also preferable; But after keyset inserts bayonet connector, owing to have assembly clearance between keyset and bayonet connector, thereby keyset possibility left and right sides off normal, thereby the conducting strip that influences on the keyset firmly contacts with the bayonet connector conducting terminal, and then cause the telecommunication interruption operation to be obstructed.

The purpose of this utility model is, provide a kind of can with the bayonet connector firm keyset of pegging graft, it not only is easy to be plugged on the bayonet connector, and does not have the defective mode of left and right sides off normal, guarantees that the telecommunication switching is stable; It prevents that the noise effects of jamming is better.

Of the present utility model being characterised in that: this keyset is provided with the retaining device that prevents left and right sides off normal, this retaining device is in a side of keyset and bayonet connector grafting, location indentations is set, and fin is set in the bayonet connector corresponding section, so that keyset is inserted in after the bayonet connector, with the inlay card effect of this fin and location indentations, keyset is remained on certain position do not have left and right sides off normal phenomenon; Adjacent two connect one of guide cards and be connected in the power supply device on this keyset, that is this power supply device has ground connection simultaneously and prevents the noise effects of jamming except that having loaded current with ground path.

Ground connection of the present utility model is respond well, and power supply change-over device 4 can suitably carry, and does not have the problem that can't load.So the utility model can prevent effectively that noise from disturbing, simultaneously can be to high current loads.With reference to the accompanying drawings the utility model is described:

Figure 1A, Figure 1B are the double-edged plane graphs of the utility model.

Fig. 2 is the embodiment that the utility model applies to electronic card coupler.

See also Figure 1A, Figure 1B, include on the plate face of keyset 1: one group of signal device 2, one winding ground device 3, one group of electric power switching device 4, and second structure such as ground strip 50, wherein should organize signal device 2, form by 68 jacks 20 and 100 conducting strips 21, and these 68 jacks 20 and 100 conducting strips 21 are fronts 10 and reverse side 11 that average mark is located at keyset 1, and respectively with certain sequence number configuration, as Figure 1A, shown in the B, Figure 1A is the front of keyset 1, Figure 1B is the reverse side of keyset 1, tow sides from top to bottom, the jack 501, the second of first behavior, second ground strip 50, three behavior jacks 20, fourth line are conducting strip 21, jack 20 is the 1st jack 20 in keyset 10 fronts by the second row upper left side primary importance shown in Figure 1A, in regular turn to the second row upper right side primary importance be the 34th jack 20, be the 35th jack by the third line upper left side primary importance shown in same Figure 1B, in regular turn to the third line upper right side primary importance be the 68th jack 20.And this conducting strip 21 is the 1st conducting strip 21 in fourth line by the left primary importance, and extremely right-hand primary importance is the 50th conducting strip 21 in regular turn.And shown in Figure 1B, fourth line left primary importance is the 51st conducting strip 21, and the 100th conducting strip 21 to right-hand primary importance is communicated with in regular turn.The sequence number of above-mentioned keyset 1 is a standard type, and according to the difference of keyset 1 actual disposition state, when disposing as anti-turnback, the change of will reversing in regular turn of all sequence numbers, promptly, the 1st jack 20 of the former keyset 1 positive second row upper left side primary importance in counter-rotating back will become the 1st jack 20 of the lower right second row primary importance of reverse side, use with the plant that meets the same orientation of electronic cards.

This earthing device 3, be provided with first ground strip 30 in aforementioned per two conducting strip 21 front and back, see also this first ground strip 30 of Figure 1A, B and begin every two conducting strips 21, be communicated with, connect a ground strip 30 every 21 of two conducting strips in regular turn thereafter by ground strip 30 by first conducting strip 21.Therefore in " guide card position ", remove 1 14,35,68 conducting strip position display out (PCMCIA association regulation) by finding out in table one, the table two, every first ground connection of two conducting strips all not shown (as the 4th, seven, ten, 13 ... guide card positions such as ..).This electric power switching device 4 in addition, connect a end 401 that guide cards 40 form (seeing also the first figure A) each connection guide card 40 by two and be communicated with 18 jacks 20 with the 17th of signal device 2 respectively, the other end 402 then is communicated with the 24th, 25 and the 26th, 27 conducting strips of signal device 2 respectively.In like manner, the reverse side of keyset 1 (seeing also Figure 1B) wherein should connect the 51st of 401 at guide card 40 1 ends and signal device 2 and be communicated with 52

jacks

20, and 402 of the other ends are communicated with the 74th, 75 and the 76th, 77 conducting strips 21 of signal device 2.The 25th of power supply change-over device 4 the and 26 conducting strips wherein, and the 75th be connected with ground path with 76 conducting strips, so that further ground connection effect to be provided, that is this power supply change-over device 4 is except that having the function of accepting electric current, also have ground connection and prevent the noise effects of jamming, please cooperate subordinate list one and table two to consult.Can find out that by table one, table two the utility model positive 10 and the signal device of reverse side 11 and the arrangement of power supply change-over device have following feature:

(1) is provided with first ground strip before and after per two conducting strips, that is be the ground connection signal before and after per two signals, and increase by the 25th and 26 conducting strips, reach the 75th ground connection setting that is connected with ground path with 76 conducting strips.

(2) the utility model electric power switching device 4 the 17th jack is communicated with the 24th conducting strip (front) and the 51st jack to be communicated with the 74th conducting strip (reverse side) corresponding, can be used for carrying the power supply supply.

See also Fig. 2 again, keyset 1 practice that is the utility model embodiment is in the three-dimensional exploded view of electronic card coupler 6, as shown in the figure, and 68 jacks 20 on the positive and negative 10,11 of this keyset 1, wherein ground connection configuration as above-mentioned be circulating type, prevent the respond well of noise.Double-edged conducting strip 21 then can be inserted in another connector (not shown), and reaches the effect of switching signal, ground protection.That is the ground protection of earthing device 3 circulating types of the present utility model, electric power switching device 4 mutual ground connection effects, but and the high and low electric current of the carrying of selecting type, it is respond well to make keyset not only transfer, also preferable for the inhibition that whole electronic card coupler noise disturbs.In addition, the utility model is provided with retaining device 6, the side that this retaining device 6 is pegged graft at keyset 1 and bayonet connector 7 is provided with location indentations 60, and be provided with fin 61 in the corresponding section of bayonet connector 7, so that after keyset 1 is plugged on the slot 70 of bayonet connector 7, with of the inlay card effect of this fin 61, keyset 1 is remained on certain position do not have left and right sides off normal phenomenon, and can guarantee that the telecommunication contact is good and transmission is stable with location indentations 60.

Table one: keyset front table two: jack position serial number code ground connection ground connection serial number code jack position guide card position, ground plate reverse side guide card position

Claims

1. electric connector interconnecting board, bayonet connector on this keyset and the main substrate is pegged graft, the signal of the main substrate that is used to transfer, and do specific the connection with the earthed circuit of main substrate, this keyset comprises: signal device, earthing device and electric power switching device is characterized by:

Signal device is made up of with the conducting strip that this jack is communicated with several jacks and several;

Earthing device is provided with first ground strip before and after per two conducting strips;

Electric power switching device, at least comprise two and connect guide card, one end of one of this connection guide card and the particular jack of signal device are joined, the other end then joins with the specific plurality of conducting strips of signal device, and these specific several guide cards partly are used for loaded current, partly are connected with the ground path of main substrate.

2. electric connector interconnecting board as claimed in claim 1, it is characterized in that: be provided with the retaining device that prevents keyset left and right sides off normal between keyset and bayonet connector, promptly the side in keyset and bayonet connector grafting is provided with location indentations, and establishes fin in the bayonet connector corresponding section.

3. electric connector interconnecting board as claimed in claim 1 or 2, it is characterized by: the jack number of the signal device of this keyset is 68, and the conducting strip number is 100, compile two sides according to certain sequence number corresponding to keyset, the jack numbering from 1 to 34 of one side, conducting strip from 1 to 50, the jack of another side numbering then from 35 to 68, conducting strip from 51 to 100.

4. electric connector interconnecting board as claimed in claim 3, it is characterized by: the end that two of electric power switching device connects guide cards is communicated with 18 jacks with the 17th of signal device respectively in the front of keyset, and the other end then is communicated with the 24th, 25 and 26,27 conducting strips of signal device respectively.And be communicated with 52 jacks with the 51st of signal device respectively at reverse side one end of keyset, the other end then is communicated with the 74th, 75 and 76,77 conducting strips of signal device respectively.

5. electric connector interconnecting board as claimed in claim 4 is characterized in that: the 25th and 26 conducting strips of this power supply change-over device, and the 75th be connected with ground path with 76 conducting strips.

6. electric connector interconnecting board as claimed in claim 1 is characterized by: linkage is located between keyset and the bayonet connector.