CN103779691B - Electric connector - Google Patents

Abstract

The invention discloses a kind of electric connector, comprise pedestal, butt joint base, conducting end subgroup, enclosing cover and elastic parts, described pedestal comprises pedestal, and place is provided with the butt joint base with hyoplastron above pedestal, and hyoplastron is positioned with conducting end subgroup, above described butt joint base, place is provided with enclosing cover, and be formed with between enclosing cover and pedestal and can make vertical floating displacement and at least one elastic parts elasticity for butt joint base and support to arrive in floating space in covering outward, and cover the hollow-out parts at the hyoplastron place be provided with corresponding to butt joint base outward.The electric connector designed thus has preferably elasticity and can not produce structural deterioration when conducting end subgroup elasticity can be made to support to arrive in floating displacement on butt joint base, overall structure is more stable, to guarantee the effect in electrical contact repeatedly plugging docking.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, particularly relate to the electric connector that a kind of overall structure is stable.

Background technology

At present, general electric connector is used in coupling assembling on electric signal and power supply and accessory thereof, its major function is to provide the bridge joint between various electronic installation and guarantees that signal can transmit accurately, and electric connector is due to application, frequency, power is different from applied environment etc., just there is the type of various forms and structure, and can be applicable to computer, computer interface equipment or industrial equipment, telecommunications and communication, automobile, transport, household electrical appliance, medical or similar products, also be the parts that in the middle of electronic installation, circuit realiration predetermined function is indispensable.

Moreover, traditional electric connector is (as board to board connector, the connector of wire pair board connector or other type) Male end connector and a terminative connector usually can be utilized to carry out cooperation docking, and the plug of Male end connector is butted up against in the socket of terminative connector, signal or power supply is made to be sent in control circuit by circuit board, but because Male end connector can be different for the seat body structure of terminal group location with terminative connector, so when Male end connector and terminative connector design, just how whether Design and manufacture cost is comparatively cheap to need to consider base structure, also the shape of abutting end subgroup and other spare part and structure is needed to design, just can make connector workmanship, production cost and structural stability are effectively controlled.

In addition, along with intelligent mobile phone now, the electronic installation popularization degrees such as flat computer promote, online approach is made to expand running gear to from computer, and make running gear application service fast-developing, such as community, real-time communication, reading and game etc., wherein flat computer also can arrange in pairs or groups expansion foundation use, flat computer is made to carry out input through keyboard by expansion foundation just like notebook computer pattern, multi-point touch, power supply is supplied, the function such as port and calculating punch, have more the effect of extendibility and practicality, and general expansion foundation side edge big city is provided with rotating shaft, and be provided with connector and plural trip in the ㄩ shaped recesses inside of rotating shaft, when flat computer is for being connected with expansion foundation, can flat computer side edge be embedded in the groove of rotating shaft, and the connector of flat computer is docked with the connector of expansion foundation, and each trip is held in position, trip hole corresponding on flat computer respectively, namely the rotating shaft by expansion foundation makes flat computer can do predetermined angular upset, adjust the angle of viewing with person easy to use or carry out touch control operation, also fast flat computer can be formed with expansion foundation by the trip switch pulled in rotating shaft and be separated.

But, when the connector of flat computer docks with the connector in expansion foundation rotating shaft, its male seat just mutually can support with the terminal group of female seat and contact, just by terminal group the circuit board of flat computer and expansion foundation inside can be formed and be electrically connected, signal or power supply is made to be sent in control circuit by circuit board, but because the male seat of connector and female seat are mostly fixed structure, terminal group is combined closely the plural terminals groove in male seat or female seat respectively, when the larger shock of flat computer is born in the rotating shaft of expansion foundation, just the damage on the male seat of connector and master base structure or destruction can be caused, integrally-built less stable, also the trip in rotating shaft may be made to produce distortion, cause that flat computer forms blocking and situation about cannot extract occurs, in addition, when flat computer rotary movement is repeatedly born in the rotating shaft of expansion foundation, also suitable strain can be made for terminal group because male seat and female seat there is no enough spaces, very easily make to produce poor electrical contact phenomenon between terminal group, or even terminal group excessive deformation or structural deterioration and have influence on the stability of overall signal transmission.

Summary of the invention

In view of the defect of above-mentioned electric connector, the object of the invention is to: design a kind of overall structure more stable, to guarantee the electric connector of the effect in electrical contact repeatedly plugging docking.

Technical solution of the present invention is: a kind of electric connector, comprise pedestal, butt joint base, conducting end subgroup, enclosing cover and elastic parts, described pedestal comprises pedestal, and place is provided with the butt joint base of band hyoplastron above pedestal, and hyoplastron is positioned with conducting end subgroup, above described butt joint base, place is provided with enclosing cover, and be formed with between enclosing cover and pedestal and can make vertical floating displacement and at least one elastic parts elasticity for butt joint base and support to arrive in floating space in covering outward, and cover the hollow-out parts at the hyoplastron place be provided with corresponding to butt joint base outward.

Further, the top, pedestal two side of described pedestal is provided with containing hole, and the hyoplastron both sides place on butt joint base is provided with through hole, and enclosing cover both sides place is provided with limited post to downward-extension, and elastic parts side place is positioned in the containing hole of pedestal, and the opposite side place of each elastic parts passes through hole corresponding on butt joint base, then be socketed on limited post in a location.

Further, the pedestal combined outside of described pedestal is positioned with shield shell, and both sides place cuts open and is provided with plural limit sliding chutes before and after enclosing cover, and top, two side is provided with and is positioned at limit sliding chutes place and does to slide and support the plural block of displacement before and after shield shell, and be provided with location division in shield shell left and right sides place.

Further, described butt joint base is positioned at hyoplastron both sides place and is provided with the reference column protruding from buckling parts, and be all provided with the open-work that can pass for reference column in enclosing cover both sides place.

Further, described butt joint base both sides place is respectively equipped with a slipping part, and on slipping part, be all provided with spacing conduit and be positioned at the stop wall located above spacing conduit, and cover bottom portion both sides place is provided with rail portion, and be all provided with at least one to downward-extension in rail portion and be positioned at the snapping shell fragment that spacing conduit does length travel, and below snapping shell fragment, place is formed with the buckle being held in and stop wall being formed block location.

Further, described conducting end subgroup be provided be piercing in pedestal pedestal below the plural welding ends located, and above each welding ends place outwards bending extension be provided with at least one elastic arm, then extended upward the contact site be positioned on the hyoplastron of butt joint base by elastic arm.

Further, plural welding ends time interval arrangement in described conducting end subgroup, and the arch shape elastic arm locating relative outer bending extension above the welding ends that front and back are adjacent is formed with the kink of relative interior turnover respectively adjacent to welding ends and contact site place, and locate inside each elastic arm to be formed with elastic space respectively.

Further, plural welding ends in described conducting end subgroup is the arrangement of single lateral separation, and on elastic arm adjacent to welding ends place upwards reflexed be extended with the first turning point, its end, the first turning point upwards reflexed is extended with the second turning point, then towards the first turning point upwards reflexed go out to have the 3rd turning point.

Further, inside first turning point of described conducting end subgroup elastic arm, the second turning point and the 3rd turning point, place is formed with elastic space, and locate the supporting surface that reflexed is formed with curved arc shape above the contact site extended upward in elastic arm, and the clasp end be incorporated on the hyoplastron of butt joint base is extended at each supporting surface place downwards.

Further, each welding ends in described conducting end subgroup utilizes plug-in unit to assemble with contact site or inlays shoot mode and is combined respectively and is positioned on the pedestal of pedestal and the hyoplastron of butt joint base.

Compared with prior art, beneficial effect of the present invention is: the elastic arm structure design of conducting end subgroup, there is when conducting end subgroup elasticity can be made to support to arrive in floating displacement on butt joint base preferably elasticity and can not produce structural deterioration, overall structure is more stable, to guarantee the effect in electrical contact repeatedly plugging docking.

Accompanying drawing explanation

Fig. 1 is three-dimensional appearance schematic diagram of the present invention;

Fig. 2 is perspective exploded view of the present invention;

Fig. 3 is the perspective exploded view at another visual angle of the present invention;

Fig. 4 is this practical new side elevational cross-section schematic diagram;

Fig. 5 is the perspective exploded view before present pre-ferred embodiments docking;

Fig. 6 is the side elevational cross-section schematic diagram before present pre-ferred embodiments docking;

Fig. 7 is the side elevational cross-section schematic diagram after present pre-ferred embodiments docking;

Fig. 8 is the perspective exploded view after present pre-ferred embodiments docking;

Fig. 9 is the forward sight generalized section after present pre-ferred embodiments docking;

Figure 10 is the perspective exploded view of another preferred embodiment of the present invention.

Shown in figure: 1-pedestal, 10-floating space, 11-pedestal, 111-sidewall, 12-containing hole, 13-convex button, 2-butt joint base, 21-hyoplastron, 22-reference column, 221-buckling parts, 23-through hole, 24-slipping part, 241-spacing conduit, 242-stop wall, 3-conducting end subgroup, 31-welding ends, 32-elastic arm, 320-elastic space, 321-kink, 322-the first turning point, 323-the second turning point, 324-the three turning point, 33-contact site, 331-supporting surface, 332-clasp end, 4-enclosing cover, 41-hollow-out parts, 42-open-work, 43-protuberance, 44-rail portion, 441-snapping shell fragment, 442-buckle, 45-limited post, 46-limit sliding chutes, 47-short slot, 5-elastic parts, 6-shield shell, 61-catching groove, 62-block, 63-location division, 7-circuit board, 8-docking pedestal, 81-body, 810-slot, 811-fixed part, 8111-perforation, 8112-location notch, 8113-joint surface, 812-fitting portion, 813-recess, 82-link subgroup, 821-conductive part, 8211-cantilever, 822-weld part, 83-fastening convex side, 831-the first connecting portion, 832-support division, 833-the second connecting portion, 84-metal shell.

Embodiment

For more intuitively, intactly understanding technical scheme of the present invention, existing just to carry out nonrestrictive feature description in conjunction with the multiple embodiment of the present invention and accompanying drawing thereof as follows:

As Figure 1-Figure 4, electric connector of the present invention comprises pedestal 1, butt joint base 2, conducting end subgroup 3, enclosing cover 4, elastic parts 5 and shield shell 6, this pedestal 1 has included a pedestal 11, and containing hole 12 is all provided with on the top, two side 111 of pedestal 11, and be positioned at both sides place before and after sidewall 111 and be respectively equipped with convex button 13, and place is provided with butt joint base 2 above pedestal 1, and the longitudinal hyoplastron 21 can located for conducting end subgroup 3 is provided with in butt joint base 2 centre, its hyoplastron 21 both sides place is all provided with the reference column 22 protruding buckling parts 221 before and after top place tool, and through hole 23 is provided with between reference column 22 and hyoplastron 21, another butt joint base 2 left and right sides is respectively equipped with a slipping part 24 adjacent to reference column 22 place, and on slipping part 24, be all provided with longitudinal spacing conduit 241 and be positioned at the stop wall 242 that before and after above spacing conduit 241, both sides place is relative.

Moreover, conducting end subgroup 3 is provided with the spaced plural welding ends 31 of front-back staggered, and above the welding ends 31 that front and back are adjacent, locate the elastic arm 32 that relative outer bending extension is provided with at least one arch shape, a contact site 33 has been extended upward again by elastic arm 32, its elastic arm 32 is formed with the kink 321 of relative interior turnover respectively adjacent to welding ends 31 and contact site 33 place, and locate to be formed with elastic space 320 respectively inside each elastic arm 32, and each welding ends 31 of conducting end subgroup 3 and contact site 33 better be embodied as to utilize inlay shoot mode and be shaped in the pedestal 11 of pedestal 1 respectively with on the hyoplastron 21 of butt joint base 2, but when practical application, also plug-in unit assembling mode can be utilized to combine location, each welding ends 31 of conducting end subgroup 3 is piercing in below pedestal 11 locate, and each contact site 33 is positioned both side surface place before and after hyoplastron 21, and better being embodied as of each welding ends 31 of conducting end subgroup 3 plural contact (not shown) corresponding with on circuit board 7 utilizes jack (ThroughHole) welding manner to be formed to be electrically connected, but when practical application, also surface mount technology (SMT) welding manner firm engagement can be utilized to become to be integrated, or utilize riveted joint pressing, the modes such as clamping position form electric connection.

But, above above-mentioned butt joint base 2, place is provided with enclosing cover 4, and be formed between enclosing cover 4 and pedestal 1 and can make for butt joint base 2 floating space 10 that vertical floating displacement and at least one elastic parts 5 locate, and each elastic parts 5 side place is positioned in containing hole 12 corresponding on pedestal 1 respectively, the opposite side place of elastic parts 5 is then piercing in through hole 23 corresponding on butt joint base 2 and elasticity supports to arrive on enclosing cover 4 in a strain displacement, in addition, enclosing cover 4 centre is provided with the hollow-out parts 41 corresponding to hyoplastron 21 place, and the open-work 42 that can pass for reference column 22 and the cone-shaped protuberance 43 being positioned at open-work 42 outside is all provided with in hollow-out parts 41 both sides place, and left and right sides place is provided with rail portion 44 bottom enclosing cover 4, and the snapping shell fragment 441 that at least one spacing conduit 241 being positioned at slipping part 24 does length travel is provided with in rail portion 44 place to downward-extension, below its snapping shell fragment 441, place is formed with the buckle 442 being held in and stop wall 242 being formed block location, and be positioned at that to locate a distance and position inside snapping shell fragment 441 be that be provided with to downward-extension can for the limited post 45 of the socket location, another side place of elastic parts 5.

In addition, locate above both sides before and after enclosing cover 4 to cut open respectively to be provided with plural limit sliding chutes 46, and the short slot 47 at convex button 13 place be provided with corresponding to pedestal 1 is cutd open in root edge place, limit sliding chutes 46 left and right sides, and pedestal 11 combined outside of pedestal 1 is positioned with shield shell 6, and both sides place is respectively equipped with the plural catching groove 61 can located in the inner for convex button 13 clasp of pedestal 1 before and after shield shell 6, and before and after shield shell 6 above both sides place be provided with limit sliding chutes 46 place being positioned at enclosing cover 4 and do to slide and support the plural block 62 of displacement, locate below shield shell 6 left and right sides more respectively outwards bending extend the location division 63 being provided with the mode that screw can be utilized to lock and being positioned on circuit board 7.

As shown in Fig. 5-Fig. 9, it is inner that the present invention can be applicable to flat computer, Barebone, mini Barebone or other system host, if when being explanation to be applied on flat computer, connection base and circuit board 7 can be arranged at keyboard base, cradle or transmission base (Docking) inner, and make docking pedestal 8 and another circuit board (not shown) be arranged at flat computer inside, and this connection base, docking pedestal 8 abutting direction and circuit board 7 are for being a vertical configuration.

Moreover, docking pedestal 8 comprises body 81, and place is provided with the slot 810 of a transverse direction below body 81, the link subgroup 82 1 side-lower place of its slot 810 inner position is provided with the conductive part 821 with cantilever 8211, and be provided with weld part 822 relative to place above the opposite side of conductive part 821, and body 81 is positioned at the fitting portion 812 that slot 810 both sides place is respectively equipped with the narrower fixed part of width 811 and fixed part 811 outside protrusion, and perforation 8111 is upwards arranged with bottom fixed part 811, its fixed part 811 is positioned with fastening convex side 83 respectively, and be provided with plural location notch 8112 adjacent to body 81 with fitting portion 813 place above each fixed part 811, before and after location notch 8112, the relative interior convergent in both sides place is formed with the joint surface 8113 be communicated in perforation 8111 again, recess 813 is formed with adjacent to fixed part 811 place below the fitting portion 812 of body 81.

But, the fastening convex side 83 of above-mentioned docking pedestal 8 has ㄇ shape first connecting portion 831 snapped in a wherein location notch 8112 of fixed part 811, and all laterally bent to extend by the first connecting portion 831 two ends and be provided with the support division 832 be relatively held on joint surface 8113, and two support division 832 ends be upwards bend extend be provided with relative in snap into the second connecting portion 833 in another location notch 8112; In addition, body 81 combined outside of docking pedestal 8 is positioned with metal shell 84.

When the present invention is in use, first the body 81 of docking pedestal 8 is placed on the enclosing cover 4 connecting base, and ejection makes the rail portion 44 at its both sides place can be positioned at slipping part 24 spacing conduit 241 length travel corresponding on butt joint base 2 with two snapping shell fragments 441 respectively in enclosing cover 4 to bottom offset, namely be inserted into below fitting portion 812 adjacent to the guiding in the recess 813 at fixed part 811 place and position-limiting action by protuberance 43, the situation not easily producing beat or rock, just place inside enclosing cover 4 can be squeezed on elastic parts 5 in a strain displacement, and until enclosing cover 4 downwardly against on butt joint base 2 time, the hyoplastron 21 of butt joint base 2 can be made upwards to be piercing in hollow-out parts 41 place of enclosing cover 4, be inserted in the slot 810 at place below body 81 again, cantilever 8211 on each conductive part 821 of its link subgroup 82 can be just outwards a strain after being subject to the ejection effect of hyoplastron 21, just each conductive part 821 of link subgroup 82 can be supported the contact site 33 being contacted with correspondence in conducting end subgroup 3 and form electric connection, simultaneously by conducting end subgroup 3 upwards elasticity support to arrive in butt joint base 2 in a vertical floating displacement, with elastic space 320 structural design at place inside each elastic arm 32 of this conducting end subgroup 3, elastic displacement stroke during its docking can be increased, and keep suitable elasticity prestressing, there is when making conducting end subgroup 3 elasticity support to arrive in floating displacement on butt joint base 2 preferably elasticity and can not produce excessive deformation or structural deterioration, overall structure is more stable, to guarantee the effect in electrical contact repeatedly plugging docking.

And the body 81 docking pedestal 8 is in the process of ejection, the enclosing cover 4 of connection base can be made to bottom offset, and be squeezed on elastic parts 5 in a strain displacement by enclosing cover 4, the reference column 22 at butt joint base 2 both sides place is made upwards to be piercing in open-work 42 place corresponding on enclosing cover 4, penetrate in the perforation 8111 bottom body 81 both sides place fixed part 811 again, when the reference column 22 of butt joint base 2 penetrates, the ejection effect of buckling parts 221 that two support divisions 832 on fastening convex side 83 can be made to be subject to protruding before and after reference column 22 is backward outer in a strain, and until body 81 ejection in enclosing cover 4 downwardly against after on butt joint base 2, namely locate to form lock-out state via inside the buckling parts 221 making its support division 832 be fastened in reference column 22 after the process of strain and reset by fastening convex side 83, and produce certain paragraph feel, user can really be learnt, and docking pedestal 8 has completed the action put in place, to improve accuracy during overall docking assembling, also can prevent from docking pedestal 8 further by fastening convex side 83 causes the reference column 22 of butt joint base 2 to emerge in situation generation outside the perforation 8111 of fixed part 811 in connecting institute when place above base is subject to affecting of external force vibrations, more can guarantee the stability of signal transmission, and then it is simple and easy to reach operation, assemble firm and locate certain effectiveness.

Moreover, on this butt joint base 2 hyoplastron 21, the conducting end subgroup 3 of location coordinates better being embodied as of link subgroup 82 of docking pedestal 8 body 81 slot 810 inner position to be spaced in a front-back staggered respectively, but when practical application, conducting end subgroup 3 and link subgroup 82 also can respectively in symmetrical before and after one and left and right equi-spaced apart arranges, even if when docking pedestal 8 butts up against on butt joint base 2 forward or backwards, still the conductive part 821 of conducting end subgroup 3 can be supported on the contact site 33 being contacted with conducting end subgroup 3 and form electric connection, therefore at butt joint base 2, error-proof structure need be set with docking on pedestal 8, effectively to reduce the degree of difficulty in overall construction design, and it is simple and conveniently can plug the effect of docking to have structure.

When user is for being separated docking pedestal 8 do dismounting with connection base, only need directly docking pedestal 8 upwards to be mentioned, and make the support division 832 of fastening convex side 83 via the reference column 22 departed from after the process of strain and reset in butt joint base 2, and post 22 to be positioned exits after perforation 8111 place of fixed part 811 forms released state, just the action exited can be completed, the elastic restoring force simultaneously had by elastic arm 32 and the elastic parts 5 of conducting end subgroup 3 is reset to situ for elasticity respectively supports to arrive on butt joint base 2 with enclosing cover 4, pedestal 8 will be docked fast to facilitate user and form disengaged position in place above connection base, and then reach Stability Analysis of Structures, be convenient to plug docking and the certain effectiveness of signal transmission.

In addition, because the conducting end subgroup 3 of location on butt joint base 2 and hyoplastron 21 thereof is contained in the floating space 10 formed between pedestal 1 and enclosing cover 4, and be positioned with a shield shell 6 in pedestal 1 combined outside, when butt joint base 2 is not docked, hyoplastron 21 is hidden in enclosing cover 4 inside and can not be piercing in the formation of hollow-out parts 41 place and covers and isolation, namely be attached on the contact site 33 of conducting end subgroup 3 by enclosing cover 4 effective minimizing dust or dirty entering, more can guarantee the overall effect in electrical contact of the contact site 33 of conducting end subgroup 3.

As Fig. 2, Fig. 3, shown in Fig. 4 and Figure 10, find out by knowing in figure, better being embodied as of this conducting end subgroup 3 has the spaced plural welding ends 31 of front-back staggered, and above the welding ends 31 that front and back are adjacent, locate relative outer bending extension be provided with elastic arm 32, but when practical application, conducting end subgroup 3 also only can be provided with the plural welding ends 31 of single lateral separation arrangement, and on elastic arm 32 adjacent to welding ends 31 place upwards reflexed be extended with the first turning point 322, its end, the first turning point 322 upwards reflexed is extended with the second turning point 323, towards the first turning point 322, upwards reflexed goes out to have one the 3rd turning point 324 again, and the first turning point 322, inside second turning point 323 and the 3rd turning point 324, place is formed with elastic space 320, locate above the contact site 33 that elastic arm 32 extends upward, reflexed is formed with the supporting surface 331 of curved arc shape, and the clasp end 332 be incorporated on the hyoplastron 21 of butt joint base 2 is extended at each supporting surface 331 place all downwards.

And the body 81 docking pedestal 8 is in the process of ejection, each conductive part 821 of link subgroup 82 can be made to support and to be contacted with contact site 33 corresponding in conducting end subgroup 3, just the first turning point 322 of elastic arm 32 can be linked in when the supporting surface 331 at place is subject to the effect of ejection above its contact site 33, second turning point 323 and the 3rd turning point 324 are downwards in a strain, design with this elastic arm 32 multistage bending structure, not only can increase the elastic displacement stroke of conducting end subgroup 3, and keep suitable elasticity prestressing, enough forward contact forces also can be provided and excessive deformation or structural deterioration can not be produced, overall structure is more stable, to guarantee the effect in electrical contact repeatedly plugging docking.

Certainly; the foregoing is only preferred embodiment of the present invention; non-ly therefore namely limit to the scope of the claims of the present invention, all utilizations specification of the present invention and graphic content institute be simple and easy modification and equivalent structure change for it, all should in like manner be contained within scope of patent protection of the present invention.

Claims (8)

1. an electric connector, comprise pedestal, butt joint base, conducting end subgroup, enclosing cover and elastic parts, it is characterized in that: described pedestal comprises a pedestal, and place is provided with the butt joint base with hyoplastron above pedestal, and hyoplastron is positioned with conducting end subgroup, above described butt joint base, place is provided with enclosing cover, and be formed with between enclosing cover and pedestal and can make vertical floating displacement and at least one elastic parts elasticity for butt joint base and support to arrive in floating space in covering outward, and cover the hollow-out parts at the hyoplastron place be provided with corresponding to butt joint base outward.

2. electric connector according to claim 1, it is characterized in that: the top, pedestal two side of described pedestal is provided with containing hole, and the hyoplastron both sides place on butt joint base is provided with through hole, and enclosing cover both sides place is provided with limited post to downward-extension, and elastic parts side place is positioned in the containing hole of pedestal, and the opposite side place of each elastic parts passes through hole corresponding on butt joint base, and socket is positioned on limited post corresponding to enclosing cover both sides.

3. electric connector according to claim 1, it is characterized in that: the pedestal combined outside of described pedestal is positioned with shield shell, and both sides place cuts open and is provided with plural limit sliding chutes before and after enclosing cover, and top, two side is provided with and is positioned at limit sliding chutes place and does to slide and support the plural block of displacement before and after shield shell, and be provided with location division in shield shell left and right sides place.

4. electric connector according to claim 1, is characterized in that: described butt joint base is positioned at hyoplastron both sides place and is provided with the reference column protruding from buckling parts, and is all provided with the open-work that can pass for reference column in enclosing cover both sides place.

5. electric connector according to claim 1, it is characterized in that: described butt joint base both sides place is respectively equipped with a slipping part, and on slipping part, be all provided with spacing conduit and be positioned at the stop wall located above spacing conduit, and cover bottom portion both sides place is provided with rail portion, and be all provided with at least one to downward-extension in rail portion and be positioned at the snapping shell fragment that spacing conduit does length travel, and below snapping shell fragment, place is formed with the buckle being held in and stop wall being formed block location.

6. electric connector according to claim 1, it is characterized in that: described conducting end subgroup be provided be piercing in pedestal pedestal below the plural welding ends located, and above each welding ends, place's outside bending extension is provided with at least one elastic arm, then extended upward the contact site be positioned on the hyoplastron of butt joint base by elastic arm; Described plural welding ends is the arrangement of single lateral separation, and on elastic arm adjacent to welding ends place upwards reflexed be extended with the first turning point, its end, the first turning point upwards reflexed is extended with the second turning point, then towards the first turning point upwards reflexed go out to have the 3rd turning point.

7. electric connector according to claim 6, it is characterized in that: inside the first turning point of described conducting end subgroup elastic arm, the second turning point and the 3rd turning point, place is formed with elastic space, and locate the supporting surface that reflexed is formed with curved arc shape above the contact site extended upward in elastic arm, and the clasp end be incorporated on the hyoplastron of butt joint base is extended at each supporting surface place downwards.

8. electric connector according to claim 6, is characterized in that: each welding ends in described conducting end subgroup and contact site utilize plug-in unit to assemble or inlay shoot mode and be combined respectively and be positioned on the pedestal of pedestal and the hyoplastron of butt joint base.