CN2603545Y

CN2603545Y - Zero plug-in force electric connector

Info

Publication number: CN2603545Y
Application number: CNU032022840U
Authority: CN
Inventors: 殷豪
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2003-01-30
Filing date: 2003-01-30
Publication date: 2004-02-11
Anticipated expiration: 2013-01-30
Also published as: WO2004068639A2; WO2004068639A3

Abstract

An electrical connector with zero insertion force includes a base seat and a sliding upper cover. The base seat is provided with plurality of penetration capacity disposing holes which can be disposed with a terminal. The upper cover can move along a first direction, and is provided with plurality of penetration holes corresponding with all capacity disposing holes. The base seat is provided with a sliding groove inclined towards the first direction with at least a part; A movable capacity part is arranged in the sliding groove with a part body, and interferences with the upper cover for its one part; A driving part can extend to a shell body to contact with the part body, and can stress on the shell body; When the driving part stresses, the driving part can make the part body move in the internal edge of the sliding groove with a second direction inclined towards the first direction, thus to make the upper cover move between a first position and a second position along the first direction.

Description

A kind of zero inserting force electric connector

Technical field

The utility model relates to a kind of electric connector, particularly a kind of zero inserting force electric connector.

Background technology

See also Figure 11,12, general existing zero inserting force electric connector 800 is used among the computer already widely, the interface that is connected with the computer main frame panel telecommunication as CPU (CPU).Existing zero inserting force electric connector 800 comprises base 803, a loam cake 805 and a drive rod 807 that is equipped with several terminals; Wherein loam cake 805 can be mounted on the base 803 slidably along fore-and-aft direction, the cam part of drive rod 807 (not showing on the figure) is located in the wings in 809 storage tanks that formed jointly by loam cake 805 and base 803, and the force section 808 of drive rod 807 then is positioned at the right side 801 of zero inserting force electric connector 800.

But because chip manufacturer develops CPU of new generation (CPU), existing zero inserting force electric connector is no longer suitable, so the dealer researches and develops suitable zero inserting force electric connector according to the ordered specification of chip manufacturer.

Summary of the invention

The purpose of this utility model is to provide a kind of zero inserting force electric connector, meets the new spec that chip manufacturer proposes.

Another purpose of the present utility model is to provide a kind of zero inserting force electric connector, and its actuator is to drive loam cake indirectly, impels loam cake to produce displacement.

Another purpose of the present utility model is to provide a kind of zero inserting force electric connector, and its moving member moves along a direction that tilts with the loam cake glide direction.

Another purpose of the present utility model is to provide a kind of zero inserting force electric connector, and its firm the producing with corresponding terminal of each pin that can guarantee a CPU contacts.

For achieving the above object, the utility model zero inserting force electric connector is located at actuator one side of loam cake glide direction.

Wherein, zero inserting force electric connector is provided with an end in contact of a moving member and actuator, when actuator is pivoted, drives the moving member displacement, and then the loam cake of drive and moving member generation interference moves along predetermined direction.

Wherein, the base of zero inserting force electric connector is provided with a chute that tilts with the loam cake glide direction, so that be placed in moving member oblique movement wherein.

The utility model zero inserting force electric connector comprises: a housing, establish with a base group slidably by a loam cake and to form, loam cake can move between a primary importance and a second place along a first direction, base is equipped with several terminals, and be provided with the chute that at least a portion and this first direction tilt, on be covered with corresponding respectively several through holes of this containing hole; One moving member is movably located in the chute, and produces interference with loam cake; One actuator has a part that contacts with moving member, when this actuator is stressed, can promotes moving member and move along a second direction that favours this first direction, and then make loam cake along the first direction displacement.

Wherein, moving member has a body, and the part of body and loam cake produce interferes.

And actuator has and is located at the force section and that housing is transverse to a side of this first direction and stretches into the cam part that contacts with body in the housing, when this force section is stressed, makes cam part promotion body move along a second direction that favours first direction.

Description of drawings

Fig. 1 is the three-dimensional appearance schematic diagram of the utility model zero inserting force electric connector;

Fig. 2 is the schematic diagram before base, actuator and the moving member of the utility model zero inserting force electric connector do not make up;

Fig. 3 is that the moving member and the wearing piece of the utility model zero inserting force electric connector do not make up preceding schematic diagram;

Fig. 4 is the schematic diagram after base, actuator and the moving member of the utility model zero inserting force electric connector makes up;

Fig. 5 is the loam cake schematic top plan view of the utility model zero inserting force electric connector;

Fig. 6 is the loam cake schematic perspective view of the utility model zero inserting force electric connector, shows the bottom surface of loam cake;

Fig. 7 is the base, actuator of the utility model zero inserting force electric connector and the illustrative view after the moving member combination, and display driver spare is towards the left side, and moving member is positioned at the top-left position of chute;

Fig. 8 is the base, actuator of the utility model zero inserting force electric connector and the illustrative view after the moving member combination, and display driver spare is towards the right side, and moving member is positioned at the position, bottom right of chute;

Fig. 9-1 to 9-4 be illustrative view after the utility model zero inserting force electric connector combination, display driver spare is towards the left side, loam cake is positioned at primary importance, wherein, Fig. 9-2 is the generalized section of the I-I hatching among Fig. 9-1, Fig. 9-3 is the generalized section of the II-II hatching among Fig. 9-1, and Fig. 9-4 is the generalized section of the III-III hatching among Fig. 9-1;

Figure 10-1 to 10-4 be action schematic diagram after the utility model zero inserting force electric connector combination, display driver spare is towards the right side, loam cake is positioned at the second place, wherein, Figure 10-2 is the generalized section of the IV-IV hatching among Figure 10-1, Figure 10-3 is the generalized section of the V-V hatching among Figure 10-1, and Figure 10-4 is the generalized section of the VI-VI hatching among Figure 10-1;

Figure 11 is existing zero inserting force electric connector three-dimensional appearance schematic diagram;

Figure 12 is existing zero inserting force electric connector three-dimensional appearance schematic diagram, the display driver bar the pivot state.

Wherein, description of reference numerals is as follows:

1 loam cake, 201 front ends, 45 271 snap-latch pieces

30 202 rear ends, 10 pin disposal areas, 3 actuators

101 front ends, 203 left sides, 31 first support arms

204 right sides, 102 rear ends, 32 second support arms

103 left sides, 205 end faces, 321 cam part

206 bottom surfaces, 104 right sides, 504 moving members

105 end faces, 35 21 containing holes, 401 end faces

22 wedges, 402 bottom surfaces, 106 bottom surfaces

11 pin holes, 23 projections, 41 first bodies

12 lappets, 24 chutes, 42 second bodies

121 storage tanks, 241 first tippers, 55 43 transverse parts

13 alignment pins, 40 242 second tippers, 44 projections

131 hook portions, 243 transverse grooves, 45 U-lags

14 elongated hole, 25 accommodation seats, 46 fixing holes

2 bases 26 are conduit 47 wear plates fixedly

Ccontaining porose area 27 location holes of 20 terminals 60 471 steady pins

Embodiment

Technology contents of the present utility model, characteristics and effect cooperate the detailed description below with reference to one (number) preferred embodiment in the accompanying drawing, can clearly understand.

See also Fig. 1,2, a preferred embodiment of the utility model zero inserting force electric connector 100 (hereinafter to be referred as electric connector), this electric connector 100 comprises: housing 5, an actuator 3, several terminal and a moving member 4 of being made up of loam cake 1 and base 2.

As Fig. 2, base 2, in the present embodiment, be plastic material, have a front end 201, a rear end 202, a left side 203, a right side 204, an end face 205 and a bottom surface 206, definition has the ccontaining porose area 20 of a terminal between front end 201, the rear end 202, with configured in array mode several containing holes 21 that runs through end face 205 and bottom surface 206 is arranged the ccontaining porose area 20 of terminal in, and each containing hole 21 is interior can a ccontaining terminal (not showing on the figure); Between the front end 201 of base 2, the rear end 202 and definition one first direction is arranged (be the glide direction of loam cake 1, as described later), for ease of illustrating, base 2 has an imaginary X, Y-axis, and this first direction is Y direction; The and arranged on left and right sides of base 2 compartment of terrain respectively is provided with a wedge 22, and in the present embodiment, and arranged on left and right sides respectively is provided with two wedges 22 (as Fig. 2); Please consult Fig. 4 simultaneously, when the and arranged on left and right sides of base 2 rear ends 202 respectively is provided with a projection 23 and can prevents loam cake 1 with base 2 relative displacements, the displacement backward that loam cake 1 is undue.

Base 2 is between terminal ccontaining porose area 20 borders, back and rear end 202, be provided with one by the chute 24 of base 2 end faces 205 to lower recess, chute 24 comes down to towards the second direction that tilts with first direction, in the present embodiment, chute 24 is to be had a down dip to the right by upper left, has one first tipper 241, one second tipper 242 and connect two tippers 241,242 transverse groove 243, first tipper 241, both slope unanimities of second tipper 242 are all pointed to second direction, transverse groove 243 is to lay along X-direction, first tipper 241 is upper left at it, and second tipper 242 is in its bottom right, and transverse groove 243 betweens also are communicated with both.

The rear end 202 of base 2 accommodation seat 25 that more extends back, it has the elongated slot 251 of a paralleled by X axis direction, this accommodation seat 25 is connected with the transverse groove 243 of chute 24 by the fixedly conduit 26 of a Y direction, fixedly conduit 26 is extended forward along Y direction by the elongated slot 251 of accommodation seat 25, pass the transverse groove 243 of chute 24 and stretch into the end face 205 of base 2, it acts on as described later.

Can a ccontaining moving member 4 in the chute 24, in the present embodiment, this moving member 4 is made of plastic material, has a block body, shape is similar in appearance to chute 24, this body is by first body 41, second body 42 and the transverse part 43 that connects first body 41 and second body 42 are formed, first body 41 can correspondence be placed in first tipper 241, second body 42 can correspondence be placed in second tipper 242, and transverse part 43 is placed in the transverse groove 243 accordingly, each parts of this body (promptly first, second body, transverse part) 41,42,43 all than corresponding groove (promptly first, second tipper, transverse groove) 241,242,243 length is short, therefore, moving member 4 can be in chute 24 along the second direction displacement of tilting with first direction.

Please consult Fig. 2,3 simultaneously, moving member 4 has an end face 401 and a bottom surface 402, on end face 401, be provided with three separately and the oval projection 44 parallel with X-direction, in this example, three projections 44 are located at respectively on first body 41, second body 42 and the transverse part 43, oval projection 44 has a major axis (long to), this long to front end face 444 parallel with X-direction, the Action Specification of oval projection 44 and front end face 444 as after.Along the short U-lag 45 that caves in, respectively be provided with two fixing holes 46 in the bottom surface 402 of transverse part 43, be used for fixing a wear plate 47 in the both sides of this U-lag 45; Wear plate 47 is to make a U-shaped body with metal material, just can be placed in the U-lag 45 of transverse part 43 bottom surfaces 402, two erection part one of the U-shaped body of wear plate 47 be provided with the corresponding respectively steady pin 471 of this fixing hole 46 to U-shaped body bottom direction, when wear plate 47 is placed in U-lag 45, steady pin 471 inserts in each corresponding fixing hole 46, so, wear plate 47 is the firm U-lag 45 that is arranged in.

Base 2 is provided with several location holes 27 that runs through end face 205 and bottom surface 206 outside the ccontaining porose area 20 of terminal, in the present embodiment, location hole 27 is a rectangle, several are arranged between terminal ccontaining porose area 20 borders, back and rear end 202, several are arranged between terminal ccontaining porose area 20 preceding borders and front end 201, the snap-latch piece 271 that a horizontally set is arranged in each location hole 27 and the hole is not sealed.

See also Fig. 2, a metal actuator 3 is made of a force section and a pushing part, and in the present embodiment, actuator 3 is the L shaped body of rod, and first support arm 31 of the body of rod is the force section, and second support arm 32 of the body of rod is for the pushing part and have a cam part 321.

Please consult Fig. 4 simultaneously, second support arm 32 of actuator 3 is placed fixedly conduit 26, make cam part 321 be arranged in transverse groove 243, the free end of second support arm 32 stretches in the base 2, afterwards, the moving member 4 that is assembled with wear plate 47 is inserted in the chute 24, the U-lag 45 of moving member 4 is equiped with wear plate 47, and the cam part 321 of actuator 3 is arranged in the U-shaped body of wear plate 47, so, all be unlikely to wear away moving member 4 (moving member 4 constituted by plastic material) as described above, no matter how cam part 321 rotates.Second support arm 32 of actuator 3 places fixedly conduit 26,31 of its first support arms are positioned at the accommodation seat 25 of base 2 rear ends 202, it can be switched to the right side by the left side, also can (see also Fig. 7,8) oppositely for it, in the present embodiment, when first support arm 31 was switched to the right side, the part of its support arm can be placed in the elongated slot of paralleled by X axis direction, made first support arm 31 depend on the rear end 202 (as Fig. 8) of base 2.

Please consult Fig. 1, Fig. 5 and Fig. 6 simultaneously, loam cake 1 is that plastic material is made, be mounted on slidably on the base 2 along first direction, have a front end 101, a rear end 102, a left side 103, a right side 104, an end face 105 and a bottom surface 106, corresponding to the ccontaining porose area 20 of the terminal of base 2, loam cake 1 also is provided with pin disposal area 10, has several to run through end face 105 with configured in array mode in pin disposal area 10 and distinguishes a corresponding containing hole 21 with the pin holes 11 of bottom surface 106.The pin (not showing on the figure) of one CPU (CPU) can insert respectively in the pin holes 11, and stretches in the containing hole 21 of base 2 correspondences.

The left side 103 of loam cake 1 and right side 104 each downward lappet 12 that extend, be respectively equipped with the storage tank 121 of two corresponding base 2 wedges 22 in the inboard of each lappet 12, storage tank 121 Y direction length than wedge 22 for long, when loam cake 1 and base 2 are combined into a housing 5, the wedge 22 of base 2 is arranged in the storage tank 121 of loam cake 1, the bottom of wedge 22 props up storage tank 121 bottom lands, loam cake 1 fastened it is not broken away from base 2, only the length because of storage tank 121 is long than wedge 22, so the slip of loam cake 1 can't be affected.

The bottom surface 106 of loam cake 1 reaches between 10 preceding borders, pin disposal area and the front end 101 between borders, back, pin disposal area 10 and rear end 102, extends an alignment pin 13 respectively downwards corresponding to location hole 27 places of base 2, and the free end of alignment pin 13 is a hook portion 131.When loam cake 1 and base 2 are combined into a housing, each alignment pin 13 is placed in the corresponding location hole 27, each hook portion 131 is hooked the snap-latch piece 271 in the location hole 27, can strengthen combining of loam cake 1 and base 2, and because the length of location hole 27 is to being to be positioned at first direction, the slip of loam cake 1 have enough spaces to allow alignment pin 13 move therein, so can not be affected.

Loam cake 1 is between 10 borders, back, pin disposal area and rear end 102, corresponding to 44 places of the projection on the moving member 4, be respectively equipped with an oval elongated hole 14, the long axis direction of oval elongated hole 14 is consistent with the long axis direction of oval projection 44, when loam cake 1 and base 2 are combined into a housing, each oval projection 44 is stretched in the oval elongated hole 14 of each correspondence, and in first direction and elongated hole 14 tight fits, the front end face 444 of oval projection 44 is close to the antetheca of oval elongated hole 14, and oval elongated hole 14 leaves enough and to spare in then more oval projection 44 length of X-direction; Therefore when moving member 4 displacements, oval projection 44 is stretched in the oval elongated hole 14 of each correspondence, and in first direction and oval elongated hole 14 tight fits, can promote loam cake 1 and produce displacement.

When desire makes up zero inserting force electric connector of the present utility model, as described above, at first just second support arm 32 of actuator 3 places the fixedly conduit 26 of base 2, make cam part 321 be arranged in transverse groove 243, the free end of second support arm 32 stretches in the base 2, afterwards, the moving member 4 that is assembled with wear plate 47 is inserted in the chute 24, the cam part 321 of actuator 3 is arranged in the U-shaped body of wear plate 27, loam cake 1 be fastened on base 2 on thereafter, at this moment, first support arm 31 of actuator 3 is positioned at the accommodation seat 25 of base 2 rear ends 202, can be left, Thuban is changeed, when first support arm 31 is switched to the right side, the part of its support arm can be placed in the elongated slot, make first support arm 31 depend on the rear end 202 of base 2, when loam cake 1 is fastened on the base 2, loam cake 1 left side, wedge 22 corresponding on the storage tank 121 of right side lappet 12 and the base 2 props up mutually, make loam cake 1 be unlikely to break away from base 2, simultaneously, each alignment pin 13 of loam cake 1 is placed in the corresponding location hole 27, each hook portion 131 is hooked the snap-latch piece 271 in the location hole 27, can strengthen combining of loam cake 1 and base 2, and can not influence the slip of loam cake 1, when loam cake 1 backward during displacement, the left side of base 2 rear ends 202, the set projection 23 in right both sides can prevent the displacement backward that loam cake 1 is undue; When loam cake 1 and base 2 were combined into a housing, each projection 44 of base 2 was stretched in loam cake 1 each corresponding elongated hole 14, and in first direction and elongated hole 14 tight fits; Therefore when moving member 4 displacements, oval projection 44 is stretched in the oval elongated hole 14 of each correspondence, and in first direction and oval elongated hole 14 tight fits, its front end face 444 can promote loam cake 1 and produce displacement.

When a CPU (not showing on the figure) places on the loam cake 1, its pin can insert in the pin holes 11 one by one, and stretch in the containing hole 21 of base 2 correspondences, at this moment, the pin of CPU does not touch the terminal in the containing hole 21 of base 2 correspondences as yet, therefore the loam cake 1 that CPU is placed in zero inserting force electric connector 100 must not required great effort, and this is the cause of " zero insertion force ".Termination contact in the corresponding containing hole 21 of the pin of desiring to make CPU and base 2 then must pivot driver part 3 makes loam cake 1 move along first direction with respect to base 2.

Following elder generation illustrates by Fig. 7 and Fig. 8 how moving member 4 moves along second direction; When actuator 3 and the moving member 4 that is assembled with wear plate 47 in base 2 just behind the location, when first support arm 31 of actuator 3 during towards the left side, moving member 4 is positioned at the top-left position (as Fig. 7) of chute 24, when first support arm 31 of actuator 3 when being switched to towards the left side towards the right side, moving member 4 is by the oblique position, bottom right (as Fig. 8) that is moved to chute of the top-left position of chute 24; Loam cake 1 is fastened on the base 2, by Fig. 9-1 to 9-4 and 10-2 to 10-4, illustrate that how loam cake 1 moves along first direction with respect to base 2, Fig. 9-1 shows that loam cake 1 is positioned at primary importance, first support arm 31 of actuator 3 is towards the left side, this moment, moving member 4 was positioned at the top-left position (as Fig. 7) of chute 24, CPU (not showing on the figure) places on the loam cake 1 under these circumstances, its pin inserts in the pin holes 11, and stretch in the containing hole 21 of base 2 correspondences, at this moment, the pin of CPU does not touch the terminal in the containing hole 21 of base 2 correspondences as yet; Fig. 9-2,9-3 and 9-4 show loam cake 1 not base 2 displacements relatively as yet respectively.Figure 10-2 shows that loam cake 1 is positioned at the second place, first support arm 31 of actuator 3 is by being switched to towards the right side towards the left side, because chute 24 is big than the thickness of moving member 4 in the degree of depth of Z-direction, so loam cake 1 can't directly press moving member 4 that it can't be moved, when actuator 3 pivots, cam part 321 is and then changeed, with moving member 4 jack-up, even when the peak of jack-up, moving member 4 still can move, owing on the moving member 4 loam cake 1 caping is arranged, about limited to by oblique chute 24 again, therefore unique direction of displacement be exactly along chute 24 by upper left bottom offset to the right, when moving member 4 displacements, the oval projection 44 that is stretched in the oval elongated hole 14 of each correspondence also produces the Y direction displacement, the front end face 444 of oval projection 44 promotes loam cake 1 and produces displacement forward along first direction, under these circumstances, the CPU (not showing on the figure) that is inserted on the loam cake 1 moves forward simultaneously, and its pin touches the terminal in the containing hole 21 of base 2 correspondences; Figure 10-2,10-3 and 10-4 show that respectively loam cake 1 is with respect to base 2 displacement forward.

When loam cake 1 is return primary importance to moving forward to the second place behind the palpus, need only be with first support arm 31 of actuator 3 by being switched to towards the left side towards the right side, this moment moving member 4 along chute 24 by bottom right top offset left, when moving member 4 displacements, the oval projection 44 that is stretched in the oval elongated hole 14 of each correspondence also produces the Y direction displacement, drive loam cake 1 and produce displacement backward along first direction, the CPU (not showing on the figure) that is inserted on the loam cake 1 moves simultaneously backward, and its pin no longer contacts the terminal in the containing hole 21 of base 2 correspondences.

Though, in the above-described embodiment, chute 24 is made of first tipper 241, second tipper 242 and the transverse groove 243 that connects two tippers 241,242, but, be familiar with this operator by above-mentioned teaching, chute 24 can be designed to one and point to the tipper of second direction and do not have a design of transverse groove 24, point to the tipper of second direction and when not having transverse groove 24 when chute 24 is designed to one, moving member 4 is from also as identical cooperation.

The pin number of CPU is numerous, if not each root pin all with correct the contacting of terminal, CPU just can't operate, therefore, how making the displacement of each part of loam cake consistent is an important key; By above-mentioned explanation as can be known, the oval projection 44 of zero inserting force electric connector 100 of the present utility model belongs to X-direction (being vertical first direction) together with oval elongated hole 14, this oval projection 44 one side forward that makes is vertical with first direction, can cause the front end face 444 of oval projection 44 whole and unreservedly closely contact with loam cake 1, therefore promote loam cake 1 along first direction forward during displacement, be to remove to promote loam cake 1 with the whole face of oval projection 44 one side forward, because the promotion of forward is the most certain, therefore the displacement of each part of loam cake is all consistent, the pin that so can guarantee CPU all with correct the contacting of terminal; In addition, the actuator of the utility model zero inserting force electric connector is located at the side that this housing is transverse to this first direction, meets the new spec that chip manufacturer proposes; The actuator of zero inserting force electric connector of the present utility model is to drive loam cake indirectly, makes loam cake produce displacement, and its moving member moves along a direction that tilts with the loam cake glide direction, also all unlike the prior art.

Conclude above-mentionedly, the utility model zero inserting force electric connector can reach the purpose of this utility model really.The above person of thought, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, promptly the simple equivalent of doing according to the utility model claim and description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. zero inserting force electric connector comprises:

One housing, establish with a base group slidably by a loam cake and to form, described base is provided with several containing holes that runs through, described loam cake can move between a primary importance and a second place along a first direction, and be provided with corresponding respectively several through holes of this containing hole, base is provided with the chute of at least a portion and first direction inclination;

Several terminals can be placed in the containing hole respectively;

One moving member is movably located in this chute, has a body, and the part of this body and described loam cake produce interferes;

One actuator, can stretch in the housing by the side that described housing is transverse to first direction and contact with described body, this actuator can promote body and move along a second direction that favours first direction, and then makes described loam cake along first direction displacement between the described primary importance and the second place.

2. zero inserting force electric connector as claimed in claim 1, it is characterized in that, described chute has one first tipper, one second tipper and connects the transverse groove of two tippers, and the slope unanimity of described first, second tipper is all pointed to this second direction.

3. zero inserting force electric connector as claimed in claim 1, it is characterized in that, the body of described moving member is made up of one first body, one second body and the transverse part that connects first, second body, described first body enough and to spare can be arranged is placed in described first tipper, second body enough and to spare can be arranged is placed in described second tipper, and transverse part enough and to spare can be arranged is placed in the described transverse groove.

4. zero inserting force electric connector as claimed in claim 1, it is characterized in that, described actuator is a body of rod, having a force section is located at a side and the cam part that described housing is transverse to described first direction and contacts with described transverse part, when described force section pivots, drive cam part and rotate.

5. as claim 3 or 4 described zero inserting force electric connectors, it is characterized in that described transverse groove is to lay along the direction of vertical this first direction.

6. as claim 3 a described zero inserting force electric connector, it is characterized in that, described moving member is being provided with at least one microscler projection near on the one side of described loam cake, this projection length to front end face vertical with described first direction, loam cake offers corresponding elongated hole and inserts for this projection in the position of the described at least one projection of correspondence.

7. as claim 6 a described zero inserting force electric connector, it is characterized in that, described projection is located at respectively on the same one side of this first body, second body and transverse part, and described loam cake respectively offers corresponding elongated hole in the position of this projection in correspondence.

8. as claim 7 a described zero inserting force electric connector, it is characterized in that, described projection be oval its major axis perpendicular to described first direction, this elongated hole be that its major axis of ellipse is perpendicular to first direction.

9. as claim 8 a described zero inserting force electric connector, it is characterized in that described projection is in described first direction and described elongated hole tight fit.

10. as claim 4 a described zero inserting force electric connector, it is characterized in that, described base is stretched an accommodation seat at the epitaxial lateral overgrowth that described actuator stretches into housing, and it has an elongated slot vertical with described first direction, with the force section of ccontaining actuator.

11., it is characterized in that described accommodation seat is connected with described transverse groove by a fixedly conduit along described first direction as claim 10 a described zero inserting force electric connector, described actuator edge fixedly conduit is stretched in the described housing.

12., it is characterized in that described base stretches into a side of described housing at described actuator place, two relative angle corners respectively is provided with a projection as claim 1 a described zero inserting force electric connector.

13., it is characterized in that the face that described transverse part drives nearly described base is along the short U-lag that caves in as claim 4 a described zero inserting force electric connector, cam part that can ccontaining this actuator.

14. as claim 13 a described zero inserting force electric connector, it is characterized in that, also further comprise a wear plate, it is the U-shaped body made from metal material, just can be placed in the U-lag of described transverse part, the both sides of this U-lag respectively are provided with several fixing holes, and the U-shaped body of the wear plate more steady pin that extends correspondence and can be inserted in each fixing hole respectively to the bottom of one is used for fixing wear plate.

15. as claim 1 a described zero inserting force electric connector, it is characterized in that, described base is provided with several location holes that runs through, the snap-latch piece that one horizontally set is respectively arranged in this location hole and the hole is not sealed, described loam cake near described base and extend an alignment pin respectively downwards corresponding to the location hole place of base, respectively the free end of this alignment pin is a hook portion, in the location hole of ccontaining correspondence, can hook the snap-latch piece of location hole.