CN204243348U - Electric connector - Google Patents

Abstract

The utility model provides a kind of electric connector, include butt-joint socket and Location resilient piece, wherein be formed with accommodation space between the pedestal of this butt-joint socket institute tool and two sidewalls, and on pedestal, be positioned with multiple conducting terminal, and the joint portion of two sidewall relative inner places protrusions is combined with respectively the base portion of Location resilient piece vertical, variant part is provided with outward again by base portion two side-lower is relative, and two variant parts respectively upwards turnover extend symmetrical snap-on, when in the accommodation space that attachment plug is intercalated in butt-joint socket, the docking terminal of its body interior just can be in electrical contact on conducting terminal, and make the convex button ejection at body two side place on the snap-on of Location resilient piece, produce outside strain, and treat that convex button is crossed and locate to snap-on, just be held in by snap-on and convexly buckle formation lock-out state, this kind of Location resilient piece makes dual latch catch by metal material, fastening power during overall docking can be promoted, to guarantee the effect in electrical contact repeatedly plugging docking.

Description

Electric connector

Technical field

The utility model provides a kind of electric connector, two joint portions, sidewall relative inner place of espespecially butt-joint socket are combined with Location resilient piece respectively, and be provided with variant part outward by base portion two side-lower is relative, and two variant parts respectively upwards turnover extend dual latch catch design, fastening power during overall docking can be promoted, to guarantee the effect in electrical contact repeatedly plugging docking.

Background technology

Electronics technology and multimedia messages fast development now, the electronic installations such as computer, notebook computer, flat computer, running gear (MID) are made all to be prevalent in each corner of society, and tend to light, thin, short, little gradually, to be easy to carry about with one and computing and transmission speed are accelerated direction and strided forward, therefore in order to the volume-diminished of various electronic installation can be made, the electronic components of the inner difference in functionality of electronic installation then needs small but excellent close, overall construction intensity also needs to strengthen thereupon, with in response to current development trend.

Moreover, along with electronic device design more and more trends towards miniaturization, the inner space utilized that can supply of connector is made also to be tending towards narrow, by contrast connector and general wire rod or flexible circuit board joint and fixing upper certainly will be more difficult, and general connector is (as board to board connector, wire pair board connector etc.) Male end connector and a terminative connector usually can be utilized to carry out cooperation docking, and signal or power supply are sent in control circuit through circuit board, refer to as shown in Figure 10, for the three-dimensional exploded view of existing connector modules, wherein the pedestal A1 of this female seat A is inner for having chimeric space A0, and place is provided with relative catching groove A12 inside the two sidewall A11 of pedestal A1, and pedestal A1 front place is positioned with multiple the first terminal A2, and the body B1 bis-side place of male B is for being provided with convex button B11, and have multiple second terminal B2 in body B1 positioned internal and be connected to the cable B3 the second terminal B2 extending to body B1 outside.

When male B docks with female seat A, chimeric mode is mostly adopted to assemble in order to reduce overall structure height, can the body B1 of male B be intercalated in the chimeric space A0 of female seat A, and make the convex button B11 of body B1 be held in the catching groove A12 of pedestal A1, and multiple second terminal B2 of body B1 form electric connection after supporting the first terminal A2 being contacted with correspondence on pedestal A1, but this body B1 convex button B11 and pedestal A1 catching groove A12 for by the colloid of resin direct one-body molded made by, this kind of body B1 and pedestal A1 utilize the convex B11 of button and catching groove A12 mutually the chimeric mode fixed just mutually can wear and tear because repeatedly plugging, and cause overall inlay resultant force to reduce, or even body B1 and pedestal A1 produces easily when being subject to external force vibration influence and to loosen or the situation of slippage occurs, overall structure is also unstable, just for be engaged in this journey dealer desire most ardently the key point of redesign.

Utility model content

Utility model creator, because above-mentioned existing problem and disappearance, is collect related data via assessment in many ways and consideration, and utilizes the research and development experience for many years engaging in the industry constantly to study and amendment, begin to design this kind of novel birth of electric connector.

The utility model provides a kind of electric connector, include butt-joint socket and Location resilient piece, wherein: be formed for presetting attachment plug intercalation accommodation space in the inner between the pedestal of this butt-joint socket institute tool and two sidewalls, and on pedestal, be positioned with multiple conducting terminal, and the joint portion of two sidewall relative inner places protrusions is combined with at least one Location resilient piece respectively; This Location resilient piece has the vertical base portion be incorporated on pedestal joint portion, and relatively in base portion two side-lower place outer be provided with variant part, and two variant parts respectively upwards turnover extend symmetrically and be held in again after producing outside strain for the convex button ejection presetting attachment plug body and convexly buckle the snap-on forming lock-out state.

Wherein, the accommodation space front place of this butt-joint socket is formed with an opening, and is provided with through to the multiple terminal grooves in accommodation space in pedestal rear sidewall, and is positioned with conducting terminal respectively in terminal groove.

Wherein, this conducting terminal has the fixed part be positioned in the terminal groove of pedestal, and the contact site being provided with and being positioned at accommodation space that extends outwardly in fixed part side place, and the another side place of fixed part is provided with and exposes to that pedestal is outside forms with preinstalled circuit plate the weld part be electrically connected.

Wherein, longitudinally recess is formed with respectively between two side places and sidewall before and after the joint portion of this pedestal, and the variant part of Location resilient piece is formed with the Extendible flake be inserted in recess outward adjacent to base portion place is relative respectively, and extended the snap-on being positioned at recess respectively to upper turnover by two Extendible flakes.

Wherein, the buckle groove being provided with and being communicated to recess place is longitudinally cutd open in two joint portions of this butt-joint socket pedestal, and longitudinally cut open to be provided with in buckle groove centre and throughly form vertical saturating groove to pedestal outside with buckle groove, and the base portion bottom side place of Location resilient piece upwards cuts open and is provided with stopper slot, and be formed with in stopper slot two side the support arm be embedded in buckle groove respectively adjacent to variant part place, and be positioned at stopper slot inner central place and be provided with the location foot exposing to pedestal outside through saturating groove place.

Wherein, the buckle groove bottom part of this pedestal joint portion is formed with the blocked block in order to be embedded in stopper slot protruding upward respectively in saturating groove two side place, and the location foot of Location resilient piece has extend the vertical brace that base portion bottom side place and support arm form M font downwards, and be formed with the horizontal welding pin of outwards turnover by brace end, and brace two side place is formed engaging-in respectively be a multiple convex thorn of locating in blocked block internal face place.

Wherein, the variant part of this Location resilient piece is adjacent to the base portion place relative outer Extendible flake being formed with level respectively, and by two Extendible flakes be formed with the kink of inwardly turnover above the snap-on that extends respectively to upper turnover, then be formed with outside reflexed by kink support end.

Wherein, the variant part of this Location resilient piece is adjacent to the base portion place relative outer Extendible flake being formed with level respectively, and have turning point by two Extendible flakes towards all outside reflexed of base portion, and be formed with elastic space between each turning point and Extendible flake, and two turning points above the snap-on that extends respectively to upper turnover place be formed with the kink of inwardly turnover, then be formed with outside reflexed by kink support end.

The beneficial effects of the utility model: main purpose of the present utility model is be to be formed with accommodation space between the pedestal of this butt-joint socket institute tool and two sidewalls, and on pedestal, be positioned with multiple conducting terminal, and the joint portion of two sidewall relative inner places protrusions is combined with respectively the base portion of Location resilient piece vertical, variant part is provided with outward again by base portion two side-lower is relative, and two variant parts respectively upwards turnover extend symmetrical snap-on, when attachment plug be intercalated in butt-joint socket downwards accommodation space in time, can make the convex button ejection at body two side place on the snap-on of Location resilient piece, produce outside strain, and treat that convex button is crossed and locate to snap-on, just be held in by snap-on and convexly buckle formation lock-out state, this kind of Location resilient piece makes the design of dual latch catch by metal material, the butt-joint socket plug gel phase attrition that is connected not only can be avoided to damage the inlay resultant force that causes and to reduce or the situation such as slippage occurs easily, and fastening power when promoting overall docking, to guarantee the effect in electrical contact repeatedly plugging docking.

Secondary objective of the present utility model be this butt-joint socket two joint portions on longitudinally cut open and be provided with buckle groove, and be provided with a saturating groove in longitudinal the cuing open of buckle groove centre, and the base portion bottom side place of Location resilient piece upwards cuts open and is provided with stopper slot, and be formed with in stopper slot two side the support arm be embedded in buckle groove respectively adjacent to variant part place, and be positioned at stopper slot inner central place and be provided with the brace that extends of location foot downwards, the welding foot of the level that is formed of outwards being transferred by brace again, the support arm of this kind of Location resilient piece base portion forms M font symmetrical structure with the brace of location foot, joint portion can be coordinated Location resilient piece and butt-joint socket to be carried out combination fix, and the welding foot of location foot is welded on circuit board and makes butt-joint socket form fixing effect, and guarantee the stability in overall structure.

Another object of the present utility model is be that the variant part of Location resilient piece is adjacent to the base portion place relative outer Extendible flake being formed with level respectively, and have turning point by two Extendible flakes towards the outside reflexed of base portion, and be formed with elastic space between each turning point and Extendible flake, upwards transferred respectively by two turning points again and extend symmetrical snap-on, the torque arm length of snap-on to Extendible flake can be increased with the turning point structural design of this variant part, there is when making snap-on be subject to the effect of ejection preferably elasticity and the disappearance of excessive deformation or structural deterioration can not be produced, overall structure is more stable.

Accompanying drawing explanation

Fig. 1 is stereo appearance figure of the present utility model.

Fig. 2 is three-dimensional exploded view of the present utility model.

Fig. 3 is the three-dimensional exploded view at another visual angle of the utility model.

Fig. 4 is the three-dimensional exploded view before the utility model preferred embodiment docking.

Front view when Fig. 5 is the utility model preferred embodiment docking.

Fig. 6 is the front view after the utility model preferred embodiment docking.

Fig. 7 is the three-dimensional exploded view of another preferred embodiment of the utility model.

Fig. 8 be the utility model again one preferred embodiment docking before front view.

Fig. 9 be the utility model again one preferred embodiment docking after front view.

Figure 10 is the three-dimensional exploded view of existing connector modules.

[symbol description]

1, butt-joint socket

10, accommodation space

101, opening

11, pedestal

111, sidewall

112, terminal groove

113, joint portion

1131, buckle groove

1132, blocked block

114, recess

115, saturating groove

12, conducting terminal

121, fixed part

122, contact site

123, weld part

2, Location resilient piece

21, base portion

210, stopper slot

211, support arm

22, variant part

220, elastic space

221, Extendible flake

222, turning point

23, snap-on

231, kink

232, end is supported

24, foot is located

241, brace

2411, convex thorn

242, welding foot

3, attachment plug

31, body

311, convex button

3111, face is passed

312, short slot

32, terminal is docked

33, cable

A, female seat

A0, chimeric space

A1, pedestal

A11, sidewall

A12, catching groove

A2, the first terminal

B, male

B1, body

B11, convex button

B2, the second terminal

B3, cable

Embodiment

For reaching above-mentioned purpose and effect, the technological means that the utility model adopts and structure thereof, just preferred embodiment of the present utility model of hereby drawing illustrates that its structure is as follows with function, in order to understanding completely in detail.

Refer to shown in Fig. 1, Fig. 2, Fig. 3, be respectively the three-dimensional exploded view at stereo appearance figure of the present utility model, three-dimensional exploded view and another visual angle, find out by knowing in figure, the utility model includes butt-joint socket 1 and Location resilient piece 2, therefore just main member of the present utility model and feature describe in detail as after, wherein:

This butt-joint socket 1 has a pedestal 11, and be formed with sidewall 111 in pedestal 11 2 side and rear place, and between pedestal 11 and each sidewall 111, be formed with the accommodation space 10 of recess, an opening 101 is formed with again in accommodation space 10 front place, and pedestal 11 rear sidewall 111 is provided with through to the multiple terminal grooves 112 in accommodation space 10, and in terminal groove 112, be all positioned with multiple conducting terminal 12, separately, the sidewall 111 relative inner place at pedestal about 11 two side place is formed with the joint portion 113 of protrusion, its joint portion 113 place is combined with at least one Location resilient piece 2 respectively, and longitudinally recess 114 is formed with respectively between two side places and sidewall 111 before and after two joint portions 113, and parallel longitudinally on each joint portion 113 cut open the buckle groove 1131 being provided with and being communicated to recess 114 place, again by two buckle groove 1131 centre all longitudinally cut open be provided with relative outer through to pedestal 11 outside form vertical saturating groove 115 with buckle groove 1131, and be positioned at groove 115 2 side place bottom buckle groove 1131 and be formed with blocked block 1132 protruding upward respectively.

Moreover, conducting terminal 12 has the fixed part 121 be positioned in terminal groove 112, and the contact site 122 being provided with and being positioned at accommodation space 10 that extends outwardly in fixed part 121 side place, and the another side place being positioned at fixed part 121 be provided with expose to pedestal 11 outside formed a coplanar weld part 123, and the structural design mode of conducting terminal 12 is a lot, also can according to actual application design for change, and the chimeric mode fixing or imbed injection can be utilized to be combined into one with pedestal 11.

This Location resilient piece 2 has the base portion 21 of a vertical, and be provided with variant part 22 in base portion 21 2 side-lower place, and each variant part 22 is adjacent to the base portion 21 place relative outer Extendible flake 221 being formed with level respectively, extended symmetrically and the snap-on 23 omited in inverted u-shaped respectively to upper turnover by two Extendible flakes 221 again, the kink 231 being formed with inwardly turnover is respectively located above this snap-on 23, and the hanging shape being formed with outside reflexed by kink 231 supports end 232, and the base portion 21 bottom side centre of Location resilient piece 2 upwards cuts open the stopper slot 210 being provided with and extending to close to base portion 21 1 distance, and be formed with the support arm 211 of vertical in stopper slot 210 2 side respectively adjacent to Extendible flake 221 place, and be positioned at stopper slot 210 inner central place be provided with location foot 24, separately, location foot 24 has and extends the vertical brace 241 that base portion 21 bottom side place and base portion 21 2 support arm 211 form symmetry before and after M font downwards, and be formed with the horizontal welding pin 242 of outwards turnover by brace 241 end, and brace 241 2 side place is formed with multiple convex thorn 2411 respectively.

When the utility model is in time assembling, first multiple Location resilient piece 2 is incorporated into respectively the joint portion 113 at the pedestal 11 2 side place of butt-joint socket 1, each support arm 211 of its base portion 21 just can be embedded in buckle groove 1131 corresponding on joint portion 113 downwards, and make the blocked block 1132 at two side places bottom buckle groove 1131 be embedded in the stopper slot 210 of base portion 21 bottom side centre, and the convex thorn 2411 at foot 24 brace 241 2 side place, location engaging-in be one to locate in two blocked block 1132 relative inner places, variant part 22 Extendible flake 221 at base portion 21 2 side place and snap-on 23 then stretch into respectively and are positioned at recess 114, and it is outside to make the welding foot 242 of location foot 24 expose to pedestal 11 through saturating groove 115 place, just the assembling of the utility model entirety can be completed.

Please arrange in pairs or groups and consult Fig. 4, Fig. 5, shown in Fig. 6, be respectively the three-dimensional exploded view before the utility model preferred embodiment docking, front view during docking and the front view after docking, find out by knowing in figure, electric connector of the present utility model is a wire pair board connector, just can butt-joint socket 1 be positioned in circuit board (not shown), and make each weld part 123 of conducting terminal 12, and Location resilient piece 2 locates the welding foot 242 of foot 24 after being affixed on solder joint corresponding on circuit board, the mode that recycling surface mount technology (SMT) or jack (Through Hole) weld forms electric connection, in order to carry out the use transmitting power supply or signal, the brace 241 that support arm 211 and base portion 21 centre at this kind of Location resilient piece 2 base portion 21 2 side place locate foot 24 forms the symmetrical structure of M font, base portion 21 can be utilized to coordinate joint portion 113 that Location resilient piece 2 and butt-joint socket 1 are carried out combination with location foot 24 fix, and the welding foot 242 of location foot 24 is welded in the effect that circuit board makes butt-joint socket 1 formation fixing, when butt-joint socket 1 is docked with the attachment plug 3 of external adapter, Location resilient piece 2 not easily has the situation producing loosening or slippage to occur, and guarantee the stability in overall structure.

But, for being positioned with multiple docking terminals 32 that can connect for cable 33 on the body 31 of above-mentioned attachment plug 3 tools, the multiple interface (not shown)s being provided with and corresponding to docking terminal 32 place are cutd open at bottom surface, the docking section place in its body 31 front respectively, and be all provided with relative convex button 311 in body 31 2 side place, and face 3111 passed by the taper that each convex button about 311 two side place is formed with outward taper, more longitudinally cut open the short slot 312 being provided with and extending to body 31 side edge respectively on convex button 311.

When the utility model is in time using, first the body 31 of attachment plug 3 is intercalated in the accommodation space 10 of butt-joint socket 1 downwards, and be positioned at the recess 114 of pedestal 11 and the guiding of joint portion 113 length travel and position-limiting action by convex button 311 and short slot 312, the situation generation not easily producing beat or rock, opening 101 place simultaneously making cable 33 pass pedestal 11 extends to outside, each contact site 122 of conducting terminal 12 is then penetrated by the interface of docking section respectively, and after body 31 is embedded in location, just the docking terminal 32 of body 31 can be supported on the contact site 122 being contacted with conducting terminal 12 and form electric connection, and there is good effect in electrical contact.

And the body 31 of attachment plug 3 is in the process embedded, convex button 311 can be made to be enter downwards in the recess 114 of the pedestal 11 of butt-joint socket 1, and support on end 232 by passing face 3111 ejection of convex button 311 in Location resilient piece 2 snap-on 23, the supporting effect that end 232 is subject to ejection and just the Extendible flake 221 of variant part 22 can produce outside strain as fulcrum of its snap-on 23, and cross until the passing face 3111 of convex button 311 and to support below end 232 behind place to snap-on 23, snap-on 23 can be made to be reset to original position via after the process of strain and reset, the passing face 3111 being held in convex button 311 again by snap-on 23 forms lock-out state, make the convex button 311 of body 31 be subject to the restriction of snap-on 23 reaction force of Location resilient piece 2 and unlikely generation to have and upwards to start or the situation of structural deterioration occurs, and there is stable stop location and the effectiveness of retaining, thus the mode that butt-joint socket 1 and attachment plug 3 utilize intercalation to fasten firmly is combined into one, and still can provide enough forward contact forces when butt-joint socket 1 height reduction, guarantee overall construction intensity simultaneously.

When user is for taking out the body 31 of attachment plug 3 in the accommodation space 10 of butt-joint socket 1, only need to utilize hand tool (not shown) to penetrate in the recess 114 of pedestal 11 downwards, and the snap-on 23 pulled in Location resilient piece 2 departs from the convex button 311 in body 31, attachment plug 3 upwards can be taken out outside the accommodation space 10 of butt-joint socket 1, or its convex button 311 can be made to depart from the restriction of the snap-on 23 in Location resilient piece 2 bottom body 31 directly to above pulling, be beneficial to user easily the body 31 of attachment plug 3 is assembled or dismantled in the accommodation space 10 of butt-joint socket 1, this kind of Location resilient piece 2 has good structural strength made by metal material, not only can avoid butt-joint socket 1 be connected plug 3 utilize the chimeric mode fixed because of (as colloid) material itself mutually wear and tear the inlay resultant force that causes reduce or the situation generation such as slippage easily, also the convex button 311 being held in body 31 by the dual snap-on 23 of Location resilient piece 2 promotes fastening power during overall docking, to guarantee the effect in electrical contact repeatedly plugging docking, and then reach Stability Analysis of Structures, be convenient to plug docking and the certain effectiveness of Signal transmissions.

Again please refer to Fig. 7, Fig. 8, shown in Fig. 9, be respectively the three-dimensional exploded view of another preferred embodiment of the utility model, front view again before a preferred embodiment docking and the front view after docking, find out by knowing in figure, wherein the variant part 22 of this Location resilient piece 2 is adjacent to the base portion 21 place relative outer Extendible flake 221 being formed with level respectively, and have turning point 222 by two Extendible flakes 221 towards all outside reflexed of base portion 21, and be formed with elastic space 220 between each turning point 222 and Extendible flake 221, symmetrical snap-on 23 is extended respectively to upper turnover again by two turning points 222, and locate to be formed with respectively the kink 231 of inwardly turnover above two snap-ons 23 and support end 232 by the hanging shape of the outside reflexed of kink 231 institute, the torque arm length of snap-on 23 to Extendible flake 221 can be increased with turning point 222 structural design of this variant part 22, recess 114 internal face place can be outwards resisted against as variant part 22 elastic spacing stroke in interlock turning point 222 when making snap-on 23 be subject to the effect of ejection, and there is preferably elasticity and the disappearance of excessive deformation or structural deterioration can not be produced, overall structure is more stable.

Be with, the joint portion 113 of the utility model for the pedestal 11 2 sidewall 111 relative inner place of butt-joint socket 1 is combined with respectively the base portion 21 of Location resilient piece 2, and be provided with variant part 22 by base portion 21 2 side-lower, and two variant parts 22 extend symmetrical snap-on 23 respectively to upper turnover, when attachment plug 3 is intercalated in butt-joint socket 1, convex button 311 ejection at body 31 2 side place can be made on snap-on 23 to produce outside strain, and to cross to snap-on 23 behind place until convex button 311, just be held on convex button 311 by snap-on 23 and form lock-out state, the dual latch catch design of this kind of Location resilient piece 2, fastening power during overall docking can be promoted, to guarantee the effect in electrical contact repeatedly plugging docking.

Above-mentioned detailed description be for the utility model one preferably possible embodiments illustrate, but this embodiment is also not used to limit claim of the present utility model, under all other does not depart from the skill spirit that the utility model discloses, the equalization change that completes is changed with modifying, and all should be contained in the scope of the claims that the utility model contains.

In sum, really can reach its effect and object when the above-mentioned electric connector of the utility model uses, therefore the utility model is really the creation of a practicality excellence, meets the application requirement of utility model patent in fact, file an application in accordance with the law.

Claims (8)

1. an electric connector, includes butt-joint socket and Location resilient piece, it is characterized in that:

Be formed for presetting attachment plug intercalation accommodation space in the inner between the pedestal of this butt-joint socket institute tool and two sidewalls, and on pedestal, be positioned with multiple conducting terminal, and the joint portion of two sidewall relative inner places protrusions is combined with at least one Location resilient piece respectively;

This Location resilient piece has the vertical base portion be incorporated on pedestal joint portion, and relatively in base portion two side-lower place outer be provided with variant part, and two variant parts respectively upwards turnover extend symmetrically and be held in again after producing outside strain for the convex button ejection presetting attachment plug body and convexly buckle the snap-on forming lock-out state.

2. electric connector as claimed in claim 1, it is characterized in that, the accommodation space front place of this butt-joint socket is formed with an opening, and is provided with through to the multiple terminal grooves in accommodation space in pedestal rear sidewall, and is positioned with conducting terminal respectively in terminal groove.

3. electric connector as claimed in claim 2, it is characterized in that, this conducting terminal has the fixed part be positioned in the terminal groove of pedestal, and the contact site being provided with and being positioned at accommodation space that extends outwardly in fixed part side place, and the another side place of fixed part is provided with and exposes to that pedestal is outside forms with preinstalled circuit plate the weld part be electrically connected.

4. electric connector as claimed in claim 1, it is characterized in that, longitudinally recess is formed with respectively between two side places and sidewall before and after the joint portion of this pedestal, and the variant part of Location resilient piece is formed with the Extendible flake be inserted in recess outward adjacent to base portion place is relative respectively, and extended the snap-on being positioned at recess respectively to upper turnover by two Extendible flakes.

5. electric connector as claimed in claim 4, it is characterized in that, the buckle groove being provided with and being communicated to recess place is longitudinally cutd open in two joint portions of this butt-joint socket pedestal, and longitudinally cut open to be provided with in buckle groove centre and throughly form vertical saturating groove to pedestal outside with buckle groove, and the base portion bottom side place of Location resilient piece upwards cuts open and is provided with stopper slot, and be formed with in stopper slot two side the support arm be embedded in buckle groove respectively adjacent to variant part place, and be positioned at stopper slot inner central place and be provided with the location foot exposing to pedestal outside through saturating groove place.

6. electric connector as claimed in claim 5, it is characterized in that, the buckle groove bottom part of this pedestal joint portion is formed with the blocked block in order to be embedded in stopper slot protruding upward respectively in saturating groove two side place, and the location foot of Location resilient piece has extend the vertical brace that base portion bottom side place and support arm form M font downwards, and be formed with the horizontal welding pin of outwards turnover by brace end, and brace two side place is formed engaging-in respectively be a multiple convex thorn of locating in blocked block internal face place.

7. electric connector as claimed in claim 1, it is characterized in that, the variant part of this Location resilient piece is adjacent to the base portion place relative outer Extendible flake being formed with level respectively, and by two Extendible flakes be formed with the kink of inwardly turnover above the snap-on that extends respectively to upper turnover, then be formed with outside reflexed by kink support end.

8. electric connector as claimed in claim 1, it is characterized in that, the variant part of this Location resilient piece is adjacent to the base portion place relative outer Extendible flake being formed with level respectively, and have turning point by two Extendible flakes towards all outside reflexed of base portion, and be formed with elastic space between each turning point and Extendible flake, and two turning points above the snap-on that extends respectively to upper turnover place be formed with the kink of inwardly turnover, then be formed with outside reflexed by kink support end.