CN208608368U - The ground structure of electric connector - Google Patents

Abstract

The utility model provides a kind of ground structure of electric connector, it is equipped with the docking section comprising grafting space at the pedestal side of insulating base frame, and the accommodation groove at the positioning body two sides of mounting portion is equipped at the another side of pedestal, and the terminal group worn in multiple terminal grooves at the two side walls of grafting space includes multiple conductive terminals, and conductive terminal is incorporated in the terminal base in accommodation groove in embedment ejection formation on base portion respectively, and then respectively in connection with there is at least a pair of of ground strip at the positioning body two sides of mounting portion, the ground strip includes the ground plane with sheet body, and in all outward bending grounding elastic slice for being extended with clinch on sheet body, such ground strip is not in the case where changing electric connector terminal spacing and apparent size, it is supported with grounding elastic slice and is contacted in conductive terminal earthy in terminal group while concatenating to form a common ground connection, and it is promoted and is connect The path of ground conduction and density, and the effect for shielding and being isolated can be formed by ground strip, it can more promote stability when overall signal transmission.

Description

The ground structure of electric connector

Technical field

The utility model belongs to technical field of electronic device, is related to a kind of ground structure of electric connector, espespecially insulating base Internal portion is combined with ground strip, and supports to be contacted in terminal group with the grounding elastic slice of clinch by the sheet body of two ground planes and be grounded Conductive terminal concatenates to form a common ground connection simultaneously, promotes path and the density of ground connection conduction, to ensure that overall signal passes Stability when defeated.

Background technique

General connector uses connecting element and its accessory in electronic signal and power supply, and major function is providing respectively The connection of kind electronic device or equipment room, and ensure that signal can be transmitted accurately, and product, function of the connector with its application Rate is different from the environment that uses etc., then develops a variety of different forms, and can be applied to computer, server, computer and connect The interface equipment (such as vehicular computer, satellite navigation) of host, telecommunications on jaws equipment (such as keyboard, mouse, printer), vehicle And it is used on the products such as communication equipment and household electrical appliance.

Furthermore due to design of electronic products now be all intended to it is light, thin, short, small, and in order to make various electronic products Volume-diminished, the connector inside electronic product just needs more accurate and minimizes, and overall structural strength also needs therewith Reinforce, to adapt to current development trend, and general connector (such as board to board connector, wire pair board connector) would generally benefit Cooperation docking is carried out with a Male end connector and a terminative connector, and signal or power supply are sent to control by circuit board In circuit processed, to execute corresponding operation function, when the pedestal of Male end connector and terminative connector docking when, can by male seat with Terminal group in base mutually supports contact, to realize that the electrical property between two parallel opposite circuit boards or cable and circuit board connects It connects.

In addition, connector is in addition to designing increasingly other than microminiaturization, the requirement for transmission speed and bandwidth is also increasingly Height is even more to emerge one after another, and with the microminiaturization of connector and transmit speed the problem that high frequency signal transmission by contrast Degree is substantially improved, the number of terminal group increase and be distributed it is also more intensive, it is extremely easy because between terminals of adjacent distance excessively connect Electromagnetism when high frequency signal transmission is closely caused to involve cross-talk etc., future can also be grown up with faster speed, make connector sheet The signal interference problem of body will be more serious, for high frequency connectors, many signal integrities the problem of in, especially The problem of with cross-talk (Cross-talk) interference, is the most serious, and traditional high frequency connectors include insulating body, are installed on absolutely Multiple ground terminals in the intrinsic terminal of row up and down of edge, and the ground strip that those ground terminals are serially connected, should Structure is complicated for ground strip, and needs first to be assembled with fastener made of isolation material, could pass through fastener and further pacify Inside insulating body, while the elastic arm of ground strip is contacted at respectively on ground terminal and carries out the common ground connection of concatenation formation, Such ground strip is installed on its component of the mode inside insulating body by fastener and assembling steps are excessive and more inconvenient, also Will cause production and assembling cost can not reduce, and the technical staff for needing to be engaged in the industry redesigns effectively to be solved Certainly.

Utility model content

The creator of the utility model collects related data and via multi-party assessment and examines in view of the above problem and missing Consider, and constantly test and modify using many years research and development experience for engaging in the industry, proposes that one kind is able to solve the technology and asks The ground structure of the electric connector of topic.

The main purpose of the utility model is that the pedestal of insulating base frame is equipped with mounting portion in positioning at the another side in docking section Accommodation groove at body two sides, and the terminal group packet worn in multiple terminal grooves inside the docking section at the two side walls of grafting space It is incorporated in the terminal base in accommodation groove respectively in embedment ejection formation on base portion containing multiple conductive terminals and conductive terminal, and Then respectively in connection with having at least a pair of of ground strip in two sheet bodies of ground plane at the positioning body two sides of mounting portion, and in two sheet bodies On all outward bendings be extended with the clinch comprising grounding elastic slice, such ground strip in the terminal spacing for not changing electric connector and Under apparent size, it can be supported with the grounding elastic slice of clinch and be contacted with conductive terminal earthy in terminal group while concatenating to be formed One common ground connection, and path and the density of ground connection conduction are promoted, and can be set between front and rear row conductive terminal by ground strip The effect for forming shielding and being isolated can more promote stability when overall signal transmission.

The secondary objective of the utility model is when ground strip is incorporated into insulating base frame, can be grounded ground strip in two The sheet body in face is the ground connection bullet for being respectively embedded into cut open in the caulking groove set at positioning body two side walls in mounting portion, and making clinch Piece is formed by channel between being respectively protruding into each two adjacent spacing boards, then is supported and be contacted with earthy conductive terminal and formed jointly Ground connection, and because ground strip is directly to be pressed on to be not required to be installed by other fixing component in insulating base frame, it can simplify whole Body structure makes cost relative reduction, but has good high frequency characteristics.

Detailed description of the invention

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

Fig. 2 is the stereogram exploded view of the utility model.

Fig. 3 is the stereogram exploded view at another visual angle of the utility model.

Fig. 4 is the lateral sectional view of the utility model.

Fig. 5 is stereo appearance figure of the utility model terminal group before assembling.

Fig. 6 is lateral sectional view of the utility model terminal group after assembling.

Fig. 7 is stereo appearance figure of the utility model ground strip before assembling.

Fig. 8 is bottom view of the utility model ground strip after assembling.

Fig. 9 is stereo appearance figure of the utility model preferred embodiment before grafting.

Figure 10 is lateral sectional view of the utility model preferred embodiment after grafting.

[symbol description]

1, insulating base frame

11, pedestal

111, fixing groove

1112, positioning column

12, docking section

120, grafting space

1201, slot

121, terminal groove

13, mounting portion

131, positioning body

1311, spacing board

1312, channel

1313, caulking groove

1314, wears groove

132, accommodation groove

133, convex buckle

14, positioning terminal

141, ontology

142, barricade

143, welding foot

2, terminal group

21, conductive terminal

211, base portion

212, contact portion

213, weld part

22, terminal base

221, catching groove

3, ground strip

31, ground plane

311, sheet body

32, clinch

321, grounding elastic slice

3211, elastic arm

3212, contact jaw

33, interconnecting piece

331, elastic slice is supported

4, circuit board

41, welding surface

411, weld pad

412, it perforates

5, edge card

51, plug division

511, contact

512, short slot

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and Referring to attached drawing, the utility model is further described.

It please refers to shown in Fig. 1-Fig. 4, respectively the stereo appearance figure of the utility model, stereogram exploded view, another visual angle Stereogram exploded view and lateral sectional view, it can be clearly seen from the figure that, the ground structure of the electric connector of the utility model is to include There are insulating base frame 1, terminal group 2 and at least one ground strip 3, in which:

The insulating base frame 1 be include vertical pedestal 11, and being equipped with internal above pedestal 11 includes grafting space 120 docking section 12, and multiple slots 1201 have alongst been separated to form inside grafting space 120, then at each slot Alongst spaced multiple terminal grooves 121 are respectively equipped at 1201 front and rear sides wall surfaces, and 11 lower section of pedestal is right The positioning body 131 of at least one mounting portion 13 then should be alongst equipped in 1201 centre of slot, and in positioning body 131 The recess accommodation groove 132 that Open Side Down, and court respectively at 131 front and rear sides wall surface of each positioning body are all formed at front and rear sides 132 direction of accommodation groove is convexly equipped with to be formed between opposite multiple spacing boards 1311 and each two adjacent spacing board 1311 to be connected respectively Pass through the channel 1312 at terminal groove 121, and 131 front and rear sides wall surface of positioning body is adjacent to being difference below spacing board 1311 The caulking groove 1313 for being equipped with and alongst extending a distance is cutd open, and horizontal on the positioning body 131 between each two adjacent caulking grooves 1313 Spaced multiple wears grooves 1314 are equipped with to cuing open.

Furthermore the mounting portion 13 of insulating base frame 1 at the wall surface of two accommodation grooves, 132 front and back for equipped with multiple convex buckles 133, And fixing groove 111, and pedestal are respectively equipped between each two adjacent mounting portions 13 and its at the left and right sides in 11 bottom surface of pedestal It is respectively equipped with downwardly projecting positioning column 112 at left and right sides of 11 bottom surfaces, is equipped with positioning terminal respectively in fixing groove 111 14, and the barricade extended between the adjacent slots 1201 of 12 liang of docking section is then equipped with above the ontology 141 of positioning terminal 14 142, but in practical application, the barricade 142 for omitting positioning terminal 14 at 11 two sides of pedestal can be also designed according to structure, and each The welding foot 143 being pierced by outside pedestal 11 is respectively equipped at 141 lower section of ontology.

The terminal group 2 include at least three groups front and back be oppositely arranged can be used for transmitting signal, power supply (such as positive electrode and negative electrode) and Multiple conductive terminals 21 of the functions such as ground connection, and projected in utilizing to be embedded on the base portion of each group of front and rear row conductive terminal 21 211 The terminal base 22 that is oppositely arranged respectively integrally formed with two of mode, and the two-terminal seat in two groups of front and rear row conductive terminals 21 22 formed left and right it is adjacent be arranged side by side, and the number of terminals of the conductive terminal 21 on each two abutting ends stroma 22 be single group terminal base Two times of 22 number of terminals.

However, being to be respectively exposed to two 22 relative inners of terminal base at the base portion 211 of above-mentioned each group of conductive terminal 21 It is coplanar that place forms one, and the hanging shape contact portion for being piercing in 22 top of terminal base upwards is all equipped with above base portion 211 212, and the weld part 213 for being pierced by and exposing to downwards 22 bottom of terminal base is respectively equipped at 211 lower section of base portion, and each group is led Two 22 opposing external sides of terminal base on electric terminal 21 are recessed at least one respectively and alongst extend a distance Catching groove 221.

The ground strip 3 is made of metal material, and at least a pair of of ground strip 3 in the present embodiment includes to have sheet body 311 ground plane 31, and include that hanging shape is grounded bullet in all outward bending is extended at least one on each two opposite sheet bodies 311 The clinch 32 of piece 321, and each grounding elastic slice 321 is alternatively arranged along 311 length direction of sheet body, in grounding elastic slice 321 It include the elastic arm 3211 first upwardly extended again at outside reflexed protrusion ground plane 31, and below each elastic arm 3211 respectively inwards Bending is extended with contact jaw 3212, and is respectively equipped at two ground planes, 31 lower section of ground strip 3 to link two sheet bodies 311 Interconnecting piece 33, the interconnecting piece 33 include to be extended by bending inwards respectively below sheet body 311 mutually to support contact and be formed electrically The hanging shape of connection supports elastic slice 331, and respectively supports elastic slice 331 and be alternatively arranged along the length direction of sheet body 311.

It please arrange in pairs or groups refering to shown in figure 5-8, respectively stereo appearance figure of the utility model terminal group before assembling, assembling The stereo appearance figure of lateral sectional view, ground strip before assembling afterwards and the bottom view after assembling, it can be clearly seen from the figure that, when Two terminal bases 22 in each group of conductive terminal 21 are first by the insulating base frame 1 of the utility model and terminal group 2 when assembling It is respectively charged into the accommodation groove 132 of mounting portion 13, and the contact portion 212 of conductive terminal 21 is made to be pierced by docking section upwards respectively 12 terminal groove 121 is stretched to again in the slot 1201 in grafting space 120, and is pushed into positioning to terminal base 22, can will be convex Button 133, which is held in respectively in the catching groove 221 of terminal base 22, to be combined into one, and distinguishes the weld part 213 of conductive terminal 21 Be pierced by and expose to 11 bottom of pedestal formed it is one coplanar, it is similarly, adjacent by two groups or so using above-mentioned assembling mode Terminal base 22 be respectively charged into the accommodation groove 132 of 13 different length of mounting portion formed be arranged side by side, make multiple conductive terminals The quantity that 21 collocation terminal bases 22 can be installed in mounting portion 13 becomes more and closeness is higher.

And after insulating base frame 1 and terminal group 2 are completed, can by two ground strips 3 in the sheet body 311 of ground plane 31 be point It is not pressed into towards 131 direction of positioning body of mounting portion 13, and is respectively embedded into two sheet bodies 311 in 131 front and rear sides wall of positioning body Face is cutd open in the caulking groove 1313 set adjacent to 1311 lower section place of spacing board, and the clinch 32 on each ground plane 31 is with grounding elastic slice 321 are respectively protruding into and are formed by channel 1312 between each two adjacent spacing boards 1311, make the contact jaw 3212 of its elastic arm 3211 It supports and is contacted on the exposed base portion 211 of conductive terminal 21 respectively, and to the indentation of ground strip 3 to positioning, it can be by two ground planes Interconnecting piece 33 on 31 is respectively protruding into to support elastic slice 331 and mutually supports contact in being formed in the wears groove 1314 of positioning body 131, and By ground strip 3, concatenating conductive terminal 21 earthy in each group of front and rear row forms common ground connection simultaneously, also can be by two ground connection The sheet body 311 in face 31 is directly pressed in insulating base frame 1, does not just need to be installed by other fixing component, with simplification Overall structure make cost can relative reduction, but include good high frequency characteristics.

Please refer to shown in Fig. 9, Figure 10, respectively stereo appearance figure of the utility model preferred embodiment before grafting And the lateral sectional view after grafting, it can be clearly seen from the figure that, when insulating base frame 1 is installed on circuit board 4, first by pedestal 11 positioning column 112 is to penetrate in perforation 412 corresponding on welding surface 41, and make terminal group 2 in the welding of conductive terminal 21 Portion 213 can be formed electrically in the way of surface mount technology (SMT) welding with after 411 solid welding of weld pad corresponding on welding surface 41 Connection.

And during edge card 5 is inserted in insulating base frame 1, plug division 51 will be empty along the grafting of docking section 12 Between 120 stretch in slot 1201, and support the contact portion 212 of front and rear row conductive terminal 21 respectively and be contacted with 51 liang of plug division Contact 511 on side surface is electrically connected, and be formed by between each two adjacent slots 1201 at wall surface for be respectively protruding into It in the short slot 512 of plug division 51, be fully inserted into the plug division 51 of edge card 5 can to docking section 12, when terminal group 2 is in biography When defeated high-frequency signal, can by ground strip 3 in multiple clinch 32 grounding elastic slice 321 in the spacing for not changing electric connector terminal And concatenating conductive terminal 21 earthy in front and rear row reaches common ground connection simultaneously under apparent size, and promotes the road of ground connection conduction Diameter and density, and can be the effect for forming shielding between being set to front and rear row conductive terminal 21 with being isolated by ground strip 3, more Stability when overall signal transmission can be promoted.

Therefore, the utility model is equipped with installation at the another side of docking section 12 mainly for the pedestal 11 of insulating base frame 1 Portion 13, and the terminal group 2 worn in multiple terminal grooves 121 at 120 two side walls of grafting space includes multiple conductive terminals 21 and conductive terminal 21 on be embedded to ejection formation be incorporated in the terminal in the accommodation groove 132 at 131 two sides of positioning body respectively Seat 22, and at least a pair of of ground strip 3 is in being respectively provided with the sheet body 311 being incorporated at 131 two sides of positioning body on ground plane 31, and in All outward bending is extended with the clinch 32 comprising grounding elastic slice 321 on two sheet bodies 311, and such 3 structure of ground strip design can It supports to be contacted with conductive terminal 21 earthy in terminal group 2 while concatenating formation with the grounding elastic slice 321 of clinch 32 and have altogether With ground connection, and path and the density of ground connection conduction are promoted, and shielding and isolation effect can be formed by ground strip 3, can more promoted Stability when overall signal transmits.

Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (9)

1. a kind of ground structure of electric connector, which is characterized in that include insulating base frame, terminal group and at least a pair of of ground connection Piece, in which:

For equipped with the docking section comprising grafting space at the pedestal side of the insulating base frame, and at the two side walls of grafting space all Equipped with multiple terminal grooves, and recess at the positioning body and positioning body two sides of at least one mounting portion is then equipped at the another side of pedestal Accommodation groove, and each accommodation groove is connected at terminal groove and is respectively formed with a channel；

The terminal group includes multiple conductive terminals, and is respectively charged into being embedded to ejection formation on the base portion of conductive terminal in installation Terminal base in the accommodation groove in portion, and be respectively equipped with the terminal groove for being pierced by docking section at each base portion side and stretch to grafting space Interior contact portion；

At least a pair of of ground strip includes two opposite ground planes, and all has in two ground planes and determine respectively in connection in mounting portion Sheet body at the body two sides of position, and it includes hanging shape grounding elastic slice that then outward bending, which is extended at least one, respectively on two sheet bodies Clinch, and supported by grounding elastic slice to be contacted with concatenation in conductive terminal earthy in terminal group and form one respectively and be connect jointly Ground.

2. the ground structure of electric connector according to claim 1, which is characterized in that wherein the insulating base frame is in mounting portion Positioning body two side walls at be to be convexly equipped with opposite multiple spacing boards, and be all formed with connection between each two adjacent spacing boards Channel at terminal groove, and ground strip in ground plane sheet body respectively in connection at positioning body two side walls, and by clinch Grounding elastic slice be respectively protruding into channel, and each grounding elastic slice is to support to be contacted with conductive terminal and expose in terminal base respectively One is formed on base portion at side to be grounded jointly, is respectively equipped with interconnecting piece mutually to support contact at two sheet bodies lower sections Hanging shape supports elastic slice.

3. the ground structure of electric connector according to claim 2, which is characterized in that the wherein positioning body two of the mounting portion Side wall surface is equipped with the caulking groove for alongst extending a distance adjacent at spacing board lower section to cut open respectively, and adjacent in each two It is all laterally cutd open equipped with spaced multiple wears grooves on positioning body between caulking groove, and ground strip is then distinguished by the sheet body of two ground planes It is embedded in the caulking groove of positioning body, and is respectively protruding into supporting elastic slice in mutually being supported in wears groove in the interconnecting piece on two ground planes Contact is electrically connected.

4. the ground structure of electric connector according to claim 1, which is characterized in that wherein the ground strip is in each clinch Grounding elastic slice on first upwardly extend again outside reflexed to protrude elastic arm at ground plane to include, and it is curved respectively inwards by elastic arm Folding is extended with contact jaw.

5. the ground structure of electric connector according to claim 1, which is characterized in that wherein the ground strip is in two ground planes It is the interconnecting piece being respectively equipped with to link two sheet bodies at lower section.

6. the ground structure of electric connector according to claim 5, which is characterized in that wherein the interconnecting piece includes by sheet body The hanging shape of extension of bending inwards respectively at lower section supports elastic slice, and ground strip is mutually supported and connect in the elastic slice that supports of two interconnecting pieces Touching is electrically connected.

7. the ground structure of electric connector according to claim 1, which is characterized in that wherein the insulating base frame is in mounting portion Two accommodation groove front and back wall surface at for equipped with multiple convex buckles, and in terminal group in the terminal base being oppositely arranged in conductive terminal Outside is all recessed at least one catching groove for convex buckle clasp in the inner, and the conductive terminal of terminal group is at the another side of base portion To be respectively equipped with the one coplanar weld part of pedestal outside formation for being pierced by and exposing to insulating base frame.

8. the ground structure of electric connector according to claim 1, which is characterized in that the wherein pedestal bottom of the insulating base frame Face is respectively equipped with fixing groove between each two adjacent mounting portions and its at two sides, and in being all equipped with positioning end in fixing groove The ontology of son, and the welding foot being pierced by outside pedestal is respectively equipped at each ontology lower section.

9. the ground structure of electric connector according to claim 8, which is characterized in that wherein on the ontology of the positioning terminal For equipped with the barricade extended between two adjacent slots of docking section at side.