CN206340783U - A kind of electric connector - Google Patents

Abstract

The utility model is related to technical field of electric connectors there is provided a kind of electric connector, and it includes the docking chamber of insulator formation, and docking chamber is formed by top board, base plate and two side plates, and there are multiple terminal grooves on top board and opposite two surface of base plate；Multiple conducting terminals are arranged in terminal groove respectively；And metal-back coated insulation body and it is formed with accommodation space, it is external that accommodation space is located at insulation, metal-back is provided with least two guide structures, and guide structure is located at metal-back surface and to the protrusion in or beyond accommodation space, and guide structure respectively can be with the mutual corresponding matching of butt connector；Angle when said structure can dock electric connector reduces, to increase the service life of electric connector.

Description

A kind of electric connector

Technical field

The utility model is related to technical field of electric connectors, particularly relates to provide a kind of electric connector.

Background technology

Current science and technology is maked rapid progress, and high in the clouds technology is fast-developing, thereupon along with the transmission of significantly data quantity, now Connector transmission information turns into indispensable key technology, from the SAS of the SCSI of early stage till now, is deposited for high speed information The demand tandem technology taken solves the bottleneck of Traditional parallel technology and can propped up there is provided faster signal transfer functions and SAS Help and compatible with SATA equipment, with generally applicable advantage.When being docked in connector, if the structure of plug and socket More appropriate guiding alignment device is not designed, may make the hyoplastron of plug can not be properly inserted the docking chamber of socket or insert The angle entered is excessive, the situation for making terminal be deformed or bend, and such a situation not only increases the time of connector docking, more has The problem of may causing to damage to plug or socket.

The content of the invention

In order to solve the above technical problems, it is a primary object of the present invention to there is provided a kind of electric connector.

To reach above-mentioned purpose, the technical scheme that the present invention is applied is：A kind of electric connector is provided, insulator, end is included Subgroup, ground strip, snap-latch piece and metal-back, electric connector can be fixed on pcb board and can be with outside butt connector grafting, its In：Insulator comprising biside plate connect respectively top board and base plate formation run through front and rear docking chamber, in top board and the table of base plate Face, which is respectively equipped between multiple spaced walls, each adjacent spaced walls, is formed as terminal groove and in spaced walls close to docking chamber opening Place is provided with board, and board connects spaced walls and parallel with the opposite surface of top board and base plate；Terminal group is embedded in for some terminals Corresponding mould is solidify to form as the integral member on two is corresponding and is interlocked insulating carrier through injection, and terminal includes contact The main part in portion, tail end and connection contact site and tail end, contact site is located in terminal groove and with kink, kink by Terminal groove is extended in docking chamber；Metal-back coated insulation body simultaneously connects the accommodating of roof and bottom wall formation comprising two side respectively Space, the guide structure that buckling parts and buckling parts both sides are provided with is formed with roof, and buckling parts is convex in the centre of roof and formation There is fastening space.

In the present embodiment preferably, metal-back forms for light sheet material and is extended with fixed pin, and fixed pin extends insulation Body, can be welded with pcb board.

In the present embodiment preferably, ground strip has relative two ground planes and connects the joint face of ground plane, ground plane With multiple ground connection elastic arms, multiple perforates and multiple fasteners.

In the present embodiment preferably, two ground planes are in parallel and are formed with grasping part, snap-latch piece be insulating materials into Shape, is entrenched in grasping part.

The present invention compared with prior art, its beneficial effect：One is that the effect of metal-back in electrical connectors is, when with When butt connector is docked, butt connector can be effectively guided to dock, the problem of docking angle is offset when overcoming the two to dock；Two It is that metal-back can provide connector preferably shield effectiveness when electric connector docks transmission high-frequency signal with butt connector, Reduce electromagnetism and involve interference of the noise to signal transmission, to lift the yield of transmission signal.

Brief description of the drawings

Fig. 1 is the exploded perspective view of the present embodiment.

Fig. 2 is the part cut-away view of insulator in Fig. 1.

Fig. 3 is the stereogram of terminal group in Fig. 1.

Fig. 4 is the stereogram of metal-back in Fig. 1.

Embodiment

Although the present invention can easily show as various forms of embodiments, it is shown in the drawings and in this explanation What be will be explained in book is only a wherein specific embodiment, while it is appreciated that this specification is construed as the present invention Principle it is exemplary illustrated, and be not intended to limit the invention to it is illustrated herein as.

Thus, a feature pointed in this specification by illustrate one embodiment of the present of invention one of them Feature, rather than imply that each embodiment of the present invention must have illustrated feature.Further it is to be noted that be this explanation Book describes many features.Although certain feature can be combined to show possible system design, this feature also may be used For other combinations that explanation is not known.Thus, unless otherwise indicated, illustrated combination is not intended to limit.

In the embodiment shown in the figures, the instruction (such as upper and lower, left and right, front and rear) in direction is to explain the present invention Various assemblies structure and motion be not absolute but relative.When this component is in position shown in the drawings, this says Bright is suitable.If the explanation of the position of this component changes, the instruction in this direction also correspondingly changes.

Below in conjunction with the accompanying drawing of this specification, give presently preferred embodiments of the present invention further elaboration.

Refer to Fig. 1 and with reference to refering to shown in Fig. 2, a kind of electric connector 10 is provided in figure, it includes insulator 20, end Subgroup 30, ground strip 40, snap-latch piece 50 and metal-back 60, electric connector 10 can be fixed on pcb board (not shown), and can with it is outer Portion's butt connector (not shown) grafting.

Such as Fig. 2, insulator 20 includes top board 21, base plate 22 and biside plate 23, and side plate 23 connects top board 21 and base plate respectively 22 form docking chamber 25, and docking chamber 25 runs through insulator 20, and top board 21 and base plate 22 respectively have opposite surface, and each surface is provided with more Terminal groove 242 is partitioned between individual spaced walls 24, each adjacent spaced walls 24, multiple ends are formed between multiple spaced walls 24 Pilot trench 242, and multiple boards 241 are provided with the docking opening of chamber 25 in spaced walls 24, board 241 connects each spaced walls respectively 24 and board 241 is parallel with the opposite surface of top board 21 and base plate 22.In the present embodiment, relative to docking in biside plate 23 Convex portion 231, two projections 233 and guiding channel 232 are equipped with two outer surfaces of chamber 25, projection 233 is respectively arranged at each side plate More sunken guiding channel 232 is formed between 23 two ends being connected with top board 21 and base plate 22, projection 233, guiding channel 232 Channeling direction is consistent and convex portion 231 is arranged in guiding channel 232 with the abutting direction for docking chamber 25, convex portion 231 towards The direction of chamber 25 is hill-like structure, convenient to engage with other structures；Each side plate 23 is relative to the opposite side that docking chamber 25 is open Jagged 26 are all provided with, breach 26 can be used for assembling snap-latch piece 50, snap-latch piece 50 is fixed in insulator 20.

Such as Fig. 3, terminal group 30 includes multiple signal terminals and multiple ground terminals, signal terminal and earthing terminal structure with Shape all same.Because the spacing between terminal is smaller, it is inconsistent that assembling plugs the spacing that easily causes between terminal, therefore In the present embodiment, embedded corresponding mould is respectively adopted through being molded the insulation solidifying to form as two is corresponding and is interlocked in terminal group 30 On carrier 36, with this can exactly between control terminal distance, and insulating carrier 36 can exposed portion ground terminal, with facilitate with Ground strip 40 is connected, and insulating carrier 36 is respectively equipped with multiple projections 361.In the present embodiment, terminal includes contact site 31, tail end Portion 32 and the main part 33 of connection contact site 31 and tail end 32, have a kink 311 per contact site 31, and contact site 31 is distinguished In the terminal groove 242 of insulator 20 and contact site 31 kink 311 extended to by terminal groove 242 docking chamber 25 in, it is curved The front end of folding part 311 abuts corresponding board 241 respectively, and the front end of kink 311 applies strength in board 241, before kink 311 End is limited by board 241, can only make contact site 31 when not yet with butt connector grafting towards the reverse elasticity deformation of board 241 The prestressing force provided by board 241, the contact site 31 of each terminal when electric connector 10 and butt connector grafting The larger positive force of output, makes the signal transmission of terminal group 30 more stable.

Such as Fig. 1, ground strip 40 is that sheet metal bending forms three-stage structure, and ground strip 40 has relative two ground planes 41, And the joint face 42 of connection ground plane 41, ground plane 41 has multiple ground connection elastic arms 411, multiple perforates 412 and multiple respectively Fastener 413, ground connection elastic arm 411 is is bent into shape after each punching press of ground plane 41, and each ground connection elastic arm 411 only connects joint face 42, space outward bending clamped by ground connection elastic arm 411 towards two ground planes 41 makes ground connection elastic arm 411 protrude from each ground plane 41, connect Ground elastic arm 411, perforate 412 and fastener 413 such as can use punching press, cut, bend produce at the engineering method.

Such as Fig. 1, snap-latch piece 50 shapes for insulating materials, the approximate hexahedral rectangular cylindrical body of the shape of snap-latch piece 50, engaging The parallel surface of the one pair of which of piece 50 is provided with multiple shrinkage pools 51 and multiple depressed parts 52, and snap-latch piece 50 is embedded in ground strip 40 The clamped space in two parallel ground faces 41, each fastener 413 of ground strip 40 is individually fixed in the shrinkage pool 51 on snap-latch piece 50, And also there is depressed part 52 with the same shape of perforate 412 of ground strip 40, and each perforate 412 of ground strip 40 on snap-latch piece 50 Each depressed part 52 corresponded to respectively on snap-latch piece 50 a, surface of snap-latch piece 50 vertically extends multiple fixed columns 53.

Such as Fig. 4, metal-back 60 is formed by metallic sheet stock, comprising roof 61, bottom wall 62 and two side 63 and with this shape Into accommodation space 65, in the buckling parts 611 and two guide structures 613 of the formation of roof 61, buckling parts 611 is shaped as rectangle, convex Fastening space is formed with the middle of roof 61, there are two holes 612 on buckling parts 611, hole 612 extends through buckling parts 611, hole 612 is fastened when can provide with butt connector to inserting, and buckling parts 611 is open oppositely extending to go out to prolong towards accommodation space 65 Extending portion 64, extension 64 is provided with multiple fixed pin 641；Guide structure 613 is to be located at the surface of screen-wall housing 6 into accommodation space 65 Or outer projective structure, therefore guide structure 613 forms raised or sunken structure on the surface of screen-wall housing 6, buckling parts 611 and draws The bootable butt connector of guide structure 613 is docked, and improves the accuracy of contraposition.Bottom wall 62 is oppositely arranged with roof 61, bottom wall 62 Towards accommodation space 65 be open it is oppositely extending have an extension 64, and extension 64 is provided with multiple fixed pin 641；Side wall 63 is connected respectively Roof 61 and bottom wall 62, to form accommodation space 65, breach 632, earclip 631 and lug boss 633 are included per side wall 63 respectively, Breach 632 is arranged at each side wall 63 at the opening of accommodation space 65, and breach 632 can be used for fixing with butt connector, earclip 631 are located at another side that each side wall 63 sets breach 632 respectively, and the opening of earclip 631 towards accommodation space 65 is oppositely extending, Earclip 631 can be used for metal-back 60 being fixed on insulator 20；Accompanying drawing Fig. 3 is referred to, lug boss 633 is each side of metal-back 60 Wall 63 is adjacent to the protrusion of the inner surface of accommodation space 65, and lug boss 633 is located at the boundary for extending each side wall 63 adjacent to earclip 631 Place, lug boss 633 can be punching press, the flexible convex structure, arc-shaped convex structure or the arc-shaped bullet that cut or be bent to form Property convex structure, lug boss can be used for guiding butt connector.In the present embodiment, a pair of earclips 631 of metal-back 60 are distinguished Guiding channel 232 on the two side 23 of insulated body 20 is guided and fastened with convex portion 231, will using the fixing power of earclip 631 Metal-back 60 is fixed at the opening of docking groove 25 of insulator 20, and the fixing means of non-limiting use earclip 631, can also be adopted in addition Metal-back 60 is fixed on to the openend of docking chamber 25 of insulator 20 with the mode for projecting fixation；Every side wall 63 of metal-back 60 On lug boss 633 be shielded in respectively insulator 20 docking the opening of chamber 25 at the surface of each side plate 23, pass through lug boss 633 Setting can protect insulator 20, and when insulator 20 is docked with butt connector, side plate 23 is respectively by the screening of each lug boss 633 Cover, can avoid by butt connector scratch.

Metal-back 60 can design for sheet metal, and each extension 64 of roof 61 and bottom wall 62 is covered each by and fitted The top board 21 of insulator 20 and the outer surface of base plate 22, and the fixation pin 641 of extension 64 extends insulator 20, metal-back 60 The solderable pcb board that is connected to of fixation pin 641 metal-back 60 is grounded to there is provided preferably effectiveness.

In the present embodiment, the guide structure 613 of metal-back 60 is to form multiple recessed away from accommodation space 65 from roof 61 It is arcuation to fall into structure 613A, sunk structure 613A external form, and sunk structure 613A forms one in the side of accommodation space 65 of roof 61 and drawn Guide space 614, sunk structure 613A is respectively arranged on the both sides of buckling parts 611, and the opening and accommodation space 65 of guide space 614 Opening towards same direction, the side that each sunk structure 613A is located at the opening of accommodation space 65 by roof 61 is extended vertically To the end of roof 61, sunk structure 613A and buckling parts 611 are used to align with butt connector and fixed design；Wherein draw The position that guide structure 613 is set is not limited with roof 61, also may be disposed at the surface that metal-back 60 is adjacent to accommodation space, for example Bottom wall 62 or side wall 63 are adjacent on the surface of accommodation space.

Claims (4)

1. a kind of electric connector, comprising insulator, terminal group, ground strip, snap-latch piece and metal-back, electric connector can be fixed on On pcb board and can be with outside butt connector grafting, it is characterised in that：Insulator connects top board and base plate respectively comprising biside plate What is formed runs through front and rear docking chamber, and multiple spaced walls, each adjacent spaced walls are respectively equipped with the surface of top board and base plate Between be formed as terminal groove and spaced walls close to docking chamber opening at be provided with board, board connection spaced walls and with top board and bottom The opposite surface of plate is parallel；Terminal group is some terminals insertion corresponding moulds solidify to form through injection it is corresponding and interlock for two Integral member on the insulating carrier of conjunction, terminal includes the main part of contact site, tail end and connection contact site and tail end, connects Contact portion is located in terminal groove and with kink, and kink is extended in docking chamber by terminal groove；Metal-back coated insulation body is simultaneously Connect the accommodation space of roof and bottom wall formation respectively comprising two side, be formed with buckling parts in roof and buckling parts both sides are provided with Guide structure, buckling parts it is convex in the centre of roof and be formed with fastening space.

2. electric connector as claimed in claim 1, it is characterised in that：Metal-back forms for light sheet material and is extended with fixation Pin, fixed pin extends insulator, can be welded with pcb board.

3. electric connector as claimed in claim 2, it is characterised in that：Ground strip has relative two ground planes and connection ground connection The joint face in face, ground plane has multiple ground connection elastic arms, multiple perforates and multiple fasteners.

4. electric connector as claimed in claim 3, it is characterised in that：Two ground planes are in parallel and are formed with grasping part, Snap-latch piece shapes for insulating materials, is entrenched in grasping part.