CN2358572Y - Electric connector - Google Patents

Abstract

The utility model relates to a zero insertion force electric connector which is use for connecting a CPU and a host board of a computer, and comprises an insulating top cover, an axis wheel pull rod, an insulating base and a plurality of plug terminals, wherein, the insulating base is provided with plug slots for holding the plug terminals; the plug slots or the plug terminals are decrescently arranged at a specific space between rows, so that butting conductive terminals of the CPU can contact for telecommunications with the electric connector at different times, so as to effectively reduce insertion force.

Description

Electric connector

The relevant a kind of zero inserting force electric connector of the utility model refers in particular to a kind of zero inserting force electric connector that telecommunication between computer cpu and motherboard is connected of being used for.

Computer cpu is because the quantity of conducting terminal is very many, so the electric connector of telecommunication cooperation all is provided with some ancillary methods for the plug that is beneficial to central processing unit with it, whether contact with the telecommunication of electric connector as the operation that opens and closes with cam follower, the conducting terminal of central processing unit, or the butt joint terminal specific formation of borrowing electric connector reduces the contact action power of moment or the like of pegging graft, and relevant design sees also No. the 85214746th, 85205709 and 86209864, Taiwan patent application etc.But, though these electric connectors have these ancillary methods, the plug of central processing unit labour-saving can be provided, contact action power is still very big, must overcome the stiction of numerous terminals at the beginning of particularly docking mutually, so though aforementioned ancillary method can improve the active force of moment, still need be in the practical operation at the stiction that overcomes all terminals together in a flash, the big and irregularity of the application of force.And, when moment contacts, easily cause the terminal of butt joint mutually to cooperate situation about having some setbacks once in a while, thereby cause inconvenient operation.

Main purpose of the present utility model is to provide a kind of and has low operation resistance, docks zero inserting force electric connector solid and reliable, function admirable mutually, and it can dissipation of ferees, makes contact action power reduce to provide low to relay.

The purpose of this utility model can realize like this: this zero inserting force electric connector comprises insulation loam cake, arbor wheel tommy bar, insulator foot and several inserting terminals, and wherein insulator foot is provided with inserting groove to accommodate inserting terminal.It is characterized in that: inserting terminal be expert at and row between arrange with the specific distance drop and to be housed in the inserting groove of electric connector, maybe electric connector can be accommodated between the row of inserting groove of inserting terminal and the row or row and row between keep specific distance the drop arrangement, thereby the conducting terminal of the inserting terminal that makes electric connector and butt joint central processing unit carries out telecommunication in the mode of two-part at least to be contacted, the conducting terminal that just docks central processing unit successively contacts with the inserting terminal telecommunication of electric connector with two different time points, thereby can reduce the insertion force of butt joint.

Good effect of the present utility model is, it can make the electrical priority drop that contacts on the generation time of inserting terminal and conducting terminal, and the moment strength when disperseing plug reduces contact engaging and separating force.

The utility model is described in further detail below in conjunction with drawings and Examples:

The three-dimensional exploded view of Fig. 1 the utility model and computer cpu.

Fig. 2 is the three-dimensional exploded view of conducting terminal of the present utility model and base local structure.

Fig. 3 is the single inserting terminal assembling sectional arrangement drawing after the utility model and computer cpu and the motherboard winding.

Fig. 4, Fig. 5 are the action schematic diagrames of computer cpu and the utility model first embodiment.

Fig. 6, Fig. 7 are the action schematic diagrames of computer cpu and the utility model second embodiment.

Fig. 8, Fig. 9 are the action schematic diagrames of computer cpu and the utility model the 3rd embodiment.

See also Fig. 1, the conducting terminal 12 of computer cpu 10 is corresponding to the terminal containing slot 24 of electric connector 20 insulation loam cakes 22, and insulation loam cake 22 is by insulator foot 30 windings of arbor wheel tommy bar 26 with electric connector 20.See also Fig. 2 and Fig. 3 simultaneously, insulator foot 30 is provided with several inserting grooves 32, these inserting grooves 32 have wider part and narrower part, inserting terminal 34 and inserting terminal 34 ' all be provided with contact site 36 electrically to contact with the conducting terminal 12 of computer cpu 10, inserting terminal 34,34 ' also include from the long and narrow support sector 38 of contact site 36 to side extension, the holding parts 40 of broad and pin 42, wherein inserting terminal 34 and 34 ' difference be: the outstanding isometric terminal 34 of both wings of terminal 34 holding parts 40 ' two flanks then be the structure that one is long and the other is short, this inserting terminal 34,34 ' in advance insert in the corresponding inserting groove 32 of insulator foot 30 treating and electrically conduct with the conducting terminal 12 of computer cpu 10, and its pin 42 passes the groove cave 33 of inserting groove 32 lower terminal and is inserted in the corresponding terminal accepting groove 46 of motherboard 44.

Above-mentioned is to general structure introduction of the present utility model, to do concrete introduction to three embodiment of the present utility model respectively below, wherein get insulator foot 30 inserting grooves 32, the inserting terminal 34,34 ' reach the conducting terminal 12 do cooperation contact action process prescriptions of computer cpu 10 of three corresponding matching among each embodiment respectively, please correspondence consult Fig. 4～Fig. 8.

As shown in Figure 4, there is not the position drop between the row of each inserting groove 32 of insulator foot 30 and row or file and the file among first embodiment, but row with capable between or the inserting terminal 34 between file and the file, 34 ' in inserting groove 32, be provided with a certain location drop, and because the existence of this ad-hoc location drop makes the structure of this electric connector 20 inserting terminals 34 must do corresponding adjustment, that is be provided with again inserting terminal 34 ', the both wings of this inserting terminal 34 ' holding parts 40 are set as the short setting of the long side of a side to realize the position drop (can consult Fig. 2) between its row and row or file and the file.See also Fig. 4 and Fig. 5 below, when pegging graft beginning, the conducting terminal 12 of computer cpu 10 be positioned at the wider part of insulator foot 30 inserting grooves 32 and not with the inserting terminal 34 of this electric connector 20,34 ' contact, follow the carrying out of pulling the process of closing of the arbor wheel tommy bar 26 of electric connector 20, conducting terminal 12 moves along terminal file direction, promptly by the wider part of inserting groove 32 to its narrower part move and in moving process gradually with inserting terminal 34,34 ' contact site 36 contact, and the support sector 38 of extruding inserting terminal 34 retreats its inserting groove 32 cell wall directions to correspondence, conducting terminal 12 promptly just in time props up the middle part of inserting terminal 34 contact sites 36 behind location fully, perhaps props up inserting terminal 34 ' away from an end of inserting groove 32 wider parts.Thereby present embodiment promptly with inserting terminal 34,34 ' row and row or file and the position drop between the file realize the conducting terminal 12 of computer cpu 10 and the inserting terminal 34,34 of this electric connector 20 ' contact sequentially, thereby the purpose of the mating force size when in contact process, causing a time difference effectively to disperse to peg graft.

As Figure 6 and Figure 7, among second embodiment between the row of insulator foot 30 and the row or each inserting terminal 34,34 between file and the file ' in inserting groove 32, do not establish position drop, but be provided with a certain location drop between the row of each inserting groove 32 and row or file and the file, this moment, the structure of inserting terminal 34 need not to adjust.As shown in Figure 6, the conducting terminal 12 of computer cpu 10 is positioned at the wider part of inserting groove 32 and does not contact with inserting terminal 34 during beginning, and pull the carrying out of the process of closing with this electric connector 20 arbor wheel tommy bars 26, conducting terminal 12 is moved and contacts with the contact site 36 of inserting terminal 34 gradually in moving process to its narrower part by the wider part of inserting groove 32, and the support sector 38 of extruding inserting terminal 34 retreats its inserting groove 32 cell wall directions to correspondence, this conducting terminal 12 promptly props up the middle part of inserting terminal 34 contact sites 36 just behind location fully, so in the present embodiment promptly between the row by inserting groove 32 and the row or be provided with between file and the file grafting resistance that a time difference is run into during with the reduction grafting is set on conducting terminal 12 that a certain ad-hoc location drop reaches computer cpu 10 and the inserting terminal engagement sequence of the present utility model.

As Fig. 8 and shown in Figure 9, the 3rd embodiment is the comprehensive of aforementioned two embodiment, promptly not only be provided with an ad-hoc location drop between the row of each inserting groove 32 and row or file and the file, and the row of insulator foot 30 and the row between or each inserting terminal 34 between file and the file, 34 ' in inserting groove 32, also be provided with a certain location drop, thereby the structure of inserting terminal 34 also must be done corresponding adjustment, promptly design another inserting terminal 34 ' (can consult Fig. 3) that a kind of holding parts 40 both wings are set as the short setting of the long side of a side again, to realize its position drop between inserting groove 32 experts and row or file and file.As shown in the figure, conducting terminal 12 and inserting terminal 34,34 ' contact process and the situation of first embodiment roughly the same, but wherein the traveling distance of conducting terminal 12 is longer than first embodiment, thereby it promptly reduces the required mating force size that applies of grafting process with a longer time difference.

Claims (7)

1. electric connector, comprise the insulator foot that is provided with the inserting groove that several square formations arrange, be located at the top of insulator foot and be provided with the several terminals accepting hole the insulation loam cake, be housed in several inserting terminals in the corresponding inserting groove of insulator foot and be located at insulator foot and the drive unit of the side between the loam cake that insulate; It is characterized in that: inserting terminal be expert at and the row between arrange with the specific distance drop.

2. electric connector as claimed in claim 1, it is characterized in that inserting terminal is expert at and row between arrange with the specific distance drop can be by drop on arranging realizes forming between file and the file with its relative position in the insulator foot inserting groove.

3. electric connector as claimed in claim 2, the specific distance drop that it is characterized in that inserting terminal arrange be biserial of each row its in the ccontaining inserting groove along insulator foot surface direction with respect to the odd number row terminal segment distance that staggers, make the odd number that each is walked crosswise and the inserting terminal place of even numbers form staggered arrangement.

4. electric connector as claimed in claim 1, it is characterized in that inserting terminal is expert at and row between arrange and can realize with the specific distance drop by the drop that inserting groove forms between insulator foot is walked crosswise and walked crosswise in the arrangement.

5. electric connector as claimed in claim 1, it is characterized in that inserting terminal is expert at and row between arrange and can realize at the drop that forms on arranging between insulator foot file and the file with the specific distance drop by inserting groove.

6. as claim 4 or 5 described electric connectors, it is characterized in that inserting groove is to form staggered arrangement in each odd or even number position of walking crosswise.

7. electric connector as claimed in claim 1, it is characterized in that inserting groove is expert at and row between with the specific distance drop arrange can further be expert at by inserting terminal and inserting groove with capable between be set to specific distance respectively drop arrange and realize.

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