CN206850102U

CN206850102U - Electric connector

Info

Publication number: CN206850102U
Application number: CN201720466061.6U
Authority: CN
Inventors: 隆权
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2018-01-05
Anticipated expiration: 2027-04-28

Abstract

Electric connector of the present utility model has two side walls being oppositely arranged, and the accepting groove between two side walls, terminal module has an at least clamping part, clamping part extends accepting groove, elasticity abuts side wall, the clamping part of this structure abuts side wall from the outer elastic of side wall, so that side wall is less likely to occur to bend, connection between clamping part and side wall is more firm, enable the clamping terminal module of two side walls simultaneously, so that the locating effect of terminal module is more preferably, and clamping part forms from the insulating base extension of terminal module, need not by other fastening structure come fixing terminal module in side wall, production process is simple, it is easy for installation.

Description

Electric connector

Technical field

It the utility model is related to a kind of electric connector, especially a kind of simple installation and the good electrical connection of locating effect Device.

Background technology

It is currently used in the electric connector of transmission high-frequency signal, a kind of high density interconnecting connector is widely used. This electric connector to dock an interfacing part, such as electronic card or plug connector, electric connector include an insulation shell, Multiple terminal modules and a fastener, insulation shell have a docking groove to grafting interfacing part, also had after being located at docking groove Side and two side walls being oppositely arranged, and the accepting groove between two side walls, multiple Terminals Die composition rows house In accepting groove, terminal module has a connecting portion, and connecting portion projects into docking groove, and is electrically connected with interfacing part, end Submodule group has a groove, and the fastener is by groove so as to connecting multiple terminal modules, while fastener and the side wall Inner side is clasped, so that multiple terminal modules are fixed in the side wall.

Said structure, fastener connect multiple terminal modules by groove, and fastener is clasped with side wall, terminal module Be fixed in accepting groove is that during installing and using, easily positioning is inaccurate for fastener, causes multiple terminals by a fastener Module is easily shifted over, so as to cause multiple terminal modules to be positioned at well in accepting groove, cause connecting portion with it is right Fitting docking is unstable, influences the electric connection of electric connector, while electric connector manufacturing process is complicated, and installation is not easy.

Therefore, it is necessary to a kind of new electric connector is designed, to overcome above mentioned problem.

The content of the invention

Creation purpose of the present utility model is that providing a kind of clamping part extends accepting groove and elasticity abutting side wall, end Submodule group locating effect is good and the electric connector of simple installation.

In order to achieve the above object, the utility model adopts the following technical scheme that：

A kind of electric connector, to dock an interfacing part, it is characterised in that including：One insulation shell, at least partly coat The terminal module, the insulation shell have a docking part, positioned at the docking section rear and two side walls that are oppositely arranged with And the accepting groove between two side walls, the docking section is to interfacing part described in grafting；One Terminals Die group, is contained in The accepting groove, it includes an insulating base and multiple terminals on the insulating base, and each terminal has extension Go out a connecting portion of the insulating base, the connecting portion is at least partly revealed in the docking section, to electric with the interfacing part Property contact, the insulating base extends an at least clamping part, each clamping part extend the accepting groove and with the side Wall elasticity abuts.

Further, the side wall has a buckle slot, and the clamping part is clasped with the buckle slot.

Further, the insulating base, which has, is oppositely arranged two clamping parts, each clamping part and corresponding institute Sidewall elastomer abutting is stated, so as to the two clamping terminal modules of side wall.

Further, the insulating base has an end wall, and the end wall connects two side walls.

Further, for the side wall towards a convex portion is protruded out in the accepting groove, the recessed groove of insulating base is described Convex portion extends to the groove.

Further, the recessed cavity of the side wall, the cavity face the accepting groove, and it is solid that the insulating base protrudes out one Determine portion, the fixed part extends to the cavity.

Further, the terminal module has a first terminal module and a Second terminal module, the first terminal Module has one first insulating base, and first insulating base has one first clamping part for extending the accepting groove, to The side wall abuts, and the Second terminal module has one second insulating base, and second insulating base, which has, extends the receipts One second clamping part of tank, to be abutted with another side wall.

Further, first insulating base has an at least connecting pole, and second insulating base is with least one connection Groove, the connecting pole are fixed on the link slot.

Further, the terminal module has a first terminal module, and a shielding piece, the first terminal module bag One first insulating base and multiple the first terminals located at first insulating base are included, the shielding piece is located at multiple described first The side of terminal.

Further, recessed one first opening of first insulating base, the first terminal includes a ground terminal, described Ground terminal is revealed in first opening, and the shielding piece has a grounding elastic part, and the grounding elastic part extends to described the One opening and it is in electrical contact with the ground terminal.

Further, recessed at least one second opening of first insulating base, the first terminal include an at least signal Terminal, the signal terminal are revealed in second opening, and first opening is respectively arranged on described the with the described second opening Two apparent surfaces of one insulating base.

Further, the terminal module has a Second terminal module, and the Second terminal module has one second exhausted Edge seat and multiple Second terminals located at second insulating base, the shielding piece are located at first insulating base and the second insulation Between seat, and first insulating base and the second insulating base folder paste the shielding piece.

Further, recessed one second opening of the insulating base, the terminal include a signal terminal, the signal terminal It is revealed in second opening.

Further, the terminal includes a ground terminal and a signal terminal, and the width of the ground terminal is than letter The width of number terminal is big.

Further, the terminal includes a pair of signal terminals, the equal length of a pair of signal terminals.

Further, the docking section is a docking groove, and the interfacing part is contained in the docking groove, and multiple terminal grooves are set In at least side of the docking groove, the terminal groove connects the accepting groove and the docking groove, the connecting portion are located at institute State terminal groove and the connecting portion has the contact site for protruding out to the docking groove, to be electrically connected with the interfacing part Touch.

Compared with prior art, electric connector of the present utility model has two side walls being oppositely arranged, and positioned at two An accepting groove between individual side wall, terminal module have an at least clamping part, and clamping part extends accepting groove, and elasticity abuts side Wall, the clamping part of this structure abut side wall from the outer elastic of side wall so that side wall is less likely to occur to bend, clamping part and side Connection between wall is more firm, while enables the clamping terminal module of two side walls so that the locating effect of terminal module More preferably, and clamping part forms from the insulating base extension of terminal module, it is not necessary to by other fastening structure come fixing terminal For module in side wall, production process is simple, easy for installation.

【Brief description of the drawings】

Fig. 1 is that the utility model electric connector is not installed on circuit board, the three-dimensional exploded view of undocked electronic card；

Fig. 2 is the three-dimensional exploded view of Fig. 1 electric connector；

Fig. 3 is Fig. 2 terminal module three-dimensional exploded view of electric connector and the partial sectional view of insulation shell；

Fig. 4 is the three-dimensional exploded view at another visual angle of Fig. 3 terminal module of electric connector；

Fig. 5 is that Fig. 4 terminal module is installed on the process plan of insulation shell；

Fig. 6 is Fig. 5 the first terminal module three-dimensional exploded view；

Fig. 7 is Fig. 6 the first terminal module plan；

Fig. 8 is the plan of Fig. 7 another angle of the first terminal module；

Fig. 9 is Fig. 6 Second terminal module three-dimensional exploded view；

Figure 10 is Fig. 5 electric connector A-A section plan；

Figure 11 is Fig. 5 electric connector B-B plan cross-section exploded view；

Section plan after the electric connector installation that Figure 12 is Figure 11.

The drawing reference numeral explanation of embodiment：

Insulation shell	1	Preceding surface	1a	Surface afterwards	1b
						Basal surface	1c	Docking groove	10	Terminal groove	100
Side wall	11	Inner face	11a	Outside	11b
						Convex portion	111	Cavity	112	Buckle slot	113
Bearing surface	1130	End wall	12	Accepting groove	13
						Jube	14	Boss	15
The first terminal module	2	First insulating base	20	First joint face	20A
						First mounting surface	20B	First medial surface	20C	First lateral surface	20D
The first terminal	21	First connecting portion	211	First contact site	2110
						First weld part	212	First main part	213	First offset portion	214
First opening	22	First connecting pole	23	Hook part	230
						Second connecting pole	24	Second opening	25	First groove	26
First fixed part	27	First clamping part	28	First extension	280
						First clamping section	281	Insulated column	M	Through hole	N
Second terminal module	3	Second insulating base	30	Second joint face	30A
						Second mounting surface	30B	Second medial surface	30C	Second lateral surface	30D
Second terminal	31	Second connecting portion	311	Second contact site	3110
						Second weld part	312	Second main part	313	3rd opening	32
First link slot	33	Stage portion	330	Second link slot	34
						Second groove	36	Second fixed part	37	Second clamping part	38
Second extension	380	Second clamping section	381
						Circuit board	4	Accepting hole	40	Welding hole	41
Electronic card	5
						Shield piece	6	Base portion	60	Grounding elastic part	61
Holding section	62	Pin	63	Strengthen chamber	630
						Ground terminal	G	Difference signal terminal	S

【Embodiment】

For ease of being better understood from the purpose of this utility model, structure, feature and effect etc., in conjunction with accompanying drawing and specifically The utility model is described in further detail for embodiment.

As shown in Figure 1, Figure 2 and Figure 3, electric connector of the present utility model is installed on a circuit board 4, to an electronics Card 5 is electrically connected with, and the electric connector includes an insulation shell 1 and a first terminal module 2 of left-right situs and one second end Submodule group 3, multiple the first terminals 21 are formed a line located at the first terminal module 2, and multiple Second terminals 31, which form a line, to be set In the Second terminal terminal module 3, the insulation shell 1 have a docking groove 10 and positioned at the rear of docking groove 10 one Accepting groove 13, the docking groove 10 is in docking the electronic card 5 on fore-and-aft direction, the accepting groove 13 is housing described in first Terminal module 2 and Second terminal module 3, multiple parts of the first terminal 21 be revealed in the docking groove 10 and with the electricity The one side of subcard 5 is in electrical contact, multiple part parts of Second terminal 31 be revealed in the docking groove 10 and with the electronics It is in electrical contact to block 5 another sides, a shielding piece 6 is located between the first terminal module 2 and the Second terminal module 3.

As shown in Figure 2, Figure 3 and Figure 4, the insulation shell 1 has surface 1b after the preceding surface 1a and one being oppositely arranged, And a connection preceding surface 1a and rear surface 1b basal surface 1c, the preceding surface 1a is recessed to form the docking groove 10, it is described after the recessed accepting grooves 13 for forming rear end and bottom and being open of surface 1b, the docking groove 10 and the collecting Between groove 13 there is a jube 14 to be spaced, multiple terminal grooves 100 are divided into relative two rows in left and right, and located at the two of the docking groove 10 Side, and each terminal groove 100 runs through the jube 14, connects the docking groove 10 and the accepting groove 13.In left and right Two side walls 11 being oppositely arranged on direction are located at the both sides of accepting groove 13, and an end wall 12 is located at the top of accepting groove 13 simultaneously And two side walls 11 of connection, each side wall 11, which has, is oppositely arranged an inner face 11a and an outside 11b, each described Inner face 11a is relative to close on the accepting groove 13, and each outside 11b is relatively distant from the accepting groove 13, each inner face 11a is towards multiple convex portions 111 and recessed multiple cavitys 112 are protruded out in the accepting groove 13, and multiple convex portions 111 are from top to bottom Arrangement and the lengthwise extension from front to back of each convex portion 111, to strengthen the intensity of the side wall 11, multiple convex portions 111 are symmetrical arranged in two side walls 11, and multiple cavitys 112 are symmetrical arranged in two side walls 11, each The convex portion 111 and each cavity 112 are connected with the jube 14, each recessed buckle slots of outside 11b 113, each buckle slot 113 surface 1b after described, and the relatively close basal surface 1c, each buckle slot 113 with One of them described convex portion 111 in the corresponding side wall 11 is oppositely arranged, to increase the intensity of the side wall 11.More enter One step, each buckle slot 113 has a bearing surface 1130, and the bearing surface 1130 is parallel to the side wall 11.It is described Basal surface 1c protrudes out downwards a boss 15, and the boss 15 is connected to the surface of the circuit board 4, and the boss 15 is positioned at described The front of accepting groove 13.

As shown in Fig. 3, Fig. 6 and Fig. 7, the first terminal module 2 has one first insulating base 20, multiple first ends Son 21 forms a line from top to bottom, is embedded in first insulating base 20.First insulating base 20 has one interconnected First joint face 20A and one first mounting surface 20B, in the present embodiment, the first joint face 20A and first mounting surface 20B is orthogonal, and extending downwardly two insulated columns M, the insulated column M from the first mounting surface 20B is fixed on the circuit In the accepting hole 40 of plate 4.Each the first terminal 21 has a first connecting portion 211, and it extends first joint face There is one first contact site 2110 to be for electrically connecting to the electronic card 5, one first weld part for 20A, the first connecting portion 211 212, it extends the first mounting surface 20B and is electrically connected with the circuit board 4, and one first main part 213, and it is connected The first connecting portion 211 and first weld part 212 and it is embedded in first insulating base 20.Multiple the first terminals 21 include the multiple ground terminal G being arranged alternately and multipair difference signal terminal S, every a pair of difference signal terminal S both sides For a ground terminal G, the top side of a row the first terminal 21 is the ground terminal G, and the described of top side connects Ground terminal G has two first contact sites 211 and two first weld parts 212.Each ground terminal G's Width is more than each difference signal terminal S width.In each ground terminal G, each first main part 213 width is more than each width of first connecting portion 211 and the width more than each first weld part 212.Every In a pair of difference signal terminal S, the underlying difference signal terminal S has two the first offset portions 214, one of them First offset portion 214 connects the first connecting portion 211, and another described first offset portion 214 connects first weldering Socket part 212, each first offset portion 214 extends away from the adjacent difference signal terminal S, so that a pair of difference The distance between signal terminal S two described first main parts 213 are less than the distance between two described first connecting portions 211 The distance between less than two described first weld parts 212, impedance matching is realized, eliminate resonance, improve cross-talk, caused simultaneously A pair of difference signal terminal S equal lengths, so as to reduce because signal caused by difference signal terminal length difference is offset, So that the transmission of electric connector signal is good.

As shown in Fig. 3, Fig. 7 and Fig. 8, further, first insulating base 20 includes relative be arranged in parallel in one first Side 20C and one first lateral surface 20D, multiple the first terminals 21 are located at outside the first medial surface 20C and described first Between the 20D of side, the first joint face 20A, the first mounting surface 20B connections the first medial surface 20C and described One lateral surface 20D, wherein the relatively close Second terminal modules 3 of the first medial surface 20C, the first medial surface 20C Recessed multiple first openings 22 and multiple first connecting poles 23 of projection and multiple second connecting poles 24, each first opening 22 Appear the ground terminal G, each first connecting pole 23 and each second connecting pole 24 towards the Second terminal mould The extension of group 3, the end of the first connecting pole 23 set a hook part 230, and second connecting pole 24 is located at the first medial surface 20C Bottom, and exceed the first mounting surface 20B to lower part, be connected with the insulated column M, connect so as to increase described second Connect the intensity of post 24.Recessed multiple second openings 25 of first lateral surface 20D and multiple first grooves 26, each described second Opening 25 appears a pair of difference signal terminal S simultaneously so that the difference signal terminal S and air contact, increases characteristic Impedance, high frequency is effectively improved, signal transmission effect is good, and lengthwise is set each first groove 26 along the longitudinal direction, multiple First groove 26 arranges from top to bottom, and runs through the first mounting surface 20B.Further, outside described first Side 20D front ends protrude out multiple first fixed parts 27, and each first fixed part 27 is close to the first joint face 20A. The first lateral surface 20D rear ends protrude outward one first clamping part 28, and first clamping part 28 is included from outside described first One first extension 280 that side 20D stretches out, and one first clamping extended forward from first extension 280 Portion 281, for first extension 280 after the rear surface 1b, first clamping section 281 extends beyond the rear table Face 1b, and there is gap between the first lateral surface 20D.Multiple through hole N are through the first medial surface 20C and described the One lateral surface 20D.

As shown in Figure 3 and Figure 9, the Second terminal module 3 has one second insulating base 30, multiple Second terminals 31 Form a line from top to bottom, be embedded in second insulating base 30.Second insulating base 30 has one second interconnected Joint face 30A and one second mounting surface 30B, in the present embodiment, the second joint face 30A and the second mounting surface 30B It is orthogonal.Each Second terminal 31 has a second connecting portion 311, and it extends the second joint face 30A, described There is second connecting portion 311 one second contact site 3110 to be for electrically connecting to the electronic card 5, and one second weld part 312, it prolongs Stretch out the second mounting surface 30B and be electrically connected with the circuit board 4, and one second main part 313, it connects described second Connecting portion 311 and second weld part 312 and it is embedded in second insulating base 30.Second insulating base 30 includes relative It is arranged one second medial surface 30C in parallel and one second lateral surface 30D, multiple Second terminals 31 is located at second medial surface Between 30C and the second lateral surface 30D, the second joint face 30A, the second mounting surface 30B is all connected with described second Medial surface 30C and the second lateral surface 30D, wherein the relatively close the first terminal modules 2 of the second medial surface 30C. Recessed multiple 3rd openings 32 of the second medial surface 30C and the second lateral surface 30D, each 3rd opening 32 are aobvious Reveal multiple Second terminals 31.Further, recessed multiple first link slots 33 of the second medial surface 30C and multiple second connections Groove 34, each first link slot 33 have a stage portion 330, and each second link slot 34 is located at the described second inner side Face 30C bottom and run through the second mounting surface 30B.Recessed multiple second grooves 36, Duo Gesuo of second lateral surface 30D The second groove 36 to be stated to arrange from top to bottom, lengthwise is set each second groove 36 along the longitudinal direction, and through described the Two mounting surface 30B.Further, multiple second fixed parts 37 of the second lateral surface 30D front end projections, each described second is solid Determine portion 37 and be close to the second joint face 30A.The second lateral surface 30D rear ends protrude outward one second clamping part 38, institute Stating the second clamping part 38 includes one second extension 380 that stretches out from the second lateral surface 30D, and from described second One second clamping section 381 that extension 380 extends forward, second extension 380 are described after the rear surface 1b Second clamping section 381 extends beyond the rear surface 1b, and has gap between the second lateral surface 30D.When described After one Terminals Die group 2 is combined fixation with the Second terminal module 3, first clamping part 28 and the phase of the second clamping part 38 To setting.

As shown in Fig. 3, Fig. 6 and Figure 10, the shielding piece 6 is located at the first terminal module 2 and the Second terminal mould Between group 3, the shielding piece 6, which has, is covered in a base portion 60 of the first medial surface 20C, from the base portion 60 towards described The multiple grounding elastic parts 61 and multiple holding sections 62 that the first terminal module 2 extends, and extend downwardly from the base portion 60 more Individual pin 63, it is electrically connected with the circuit board 4, chamber 630, two reinforcement chambers are strengthened in the both sides of pin 63 each recessed one 630 not on the same line.

Fixed by the holding section 62 and the through hole N clampings, so that the shielding piece 6 is fixed on described first Insulating base 20, each grounding elastic part 61 extend in corresponding first opening 22 and electric with the ground terminal G Property contact, strengthen the shielding piece 6 to the shield effectiveness of the difference signal terminal S, improve cross-talk.

As shown in Fig. 2, Fig. 3 and Figure 10, first connecting pole 23 is located in first link slot 33, the hook part 230 are sticked in the stage portion 330, increase the fixed effect of the first terminal module 2 and the Second terminal module 3, make The connection obtained between the two is more firm, and arrangement is even closer, while also causes the first terminal module 2 and second end Submodule group 3 is close to the shielding piece 6, so as to clamp the shielding piece 6 so that the fixation of the shielding piece 6 is more firm, enters one Step make it that the electrical ground of the grounding elastic part 61 and the ground terminal G is stable, strengthens shield effectiveness.Second connecting pole 24 are located in second link slot 34, and second connecting pole 24 has supporting role to the Second terminal module 3, favorably Combination between the first terminal module 2 and Second terminal module 3.

The first terminal module 2 as described in Fig. 5, Figure 11 and Figure 12, the Second terminal module 3 and the shielding piece 6 are after It is forwardly inserted in the accepting groove 13, second connecting portion 311 described in the row of first connecting portion 211 and one described in a row is respectively arranged on two Arrange each first contact site 2110 of the terminal groove 100. and each second contact site 3110 projects into the docking It is in electrical contact with the electronic card 5 in groove 10.Each first weld part 212 and each second weld part 312 prolong The basal surface 1c is stretched out, and is welded in the surface of circuit board 4, each pin 63 extends the basal surface 1c and entered In the welding hole 41 of the circuit board 4, the reinforcement chamber 630 is located in the welding hole 41, electric connector and the circuit board 4 During welding, scolding tin is flowed into the reinforcement chamber 630, increases the inflow space of scolding tin by the space of the reinforcement chamber 630, simultaneously Welding can adhere to the internal face with the reinforcement chamber 630, traction-increasing surface product, strengthen the stablizing effect welded.

As shown in Fig. 3, Figure 10 and Figure 11, in wherein one side wall 11, multiple convex portions 111 are sticked in correspondingly First groove 26, multiple first fixed parts 27 are sticked in the corresponding cavity 112, in another side wall In 11, multiple convex portions 111 are sticked in second groove 36, and multiple second fixed parts 37 are sticked in corresponding described Cavity 112.First extension 280, second extension 380 abut the rear surface 1b, had to the insulation shell 1 Spacing fixation on fore-and-aft direction so that during the electronic card 5 inserts the docking groove 10 from front to back, the insulation Housing 1 is acted on by external force, it is not easy to shifts.First clamping part 28 and second clamping part 38 are oppositely arranged, and The buckle slot 113 corresponding to the entrance of first clamping section 281, upsprings with the corresponding bearing surface 1130 in right and left Property abut, second clamping section 381 enters another buckle slot 113, with the corresponding bearing surface 1130 in right and left Elasticity abuts upwards, and first clamping part 28 clamps spacing work with second clamping part 38 to two side walls 11 With, it is therefore prevented that the side wall 11 is bent outwardly so that the convex portion 111 and first groove 26, second groove 36 Engaging is more firm, and the cavity 112 and first fixed part 27, the engaging of second fixed part 37 is more stable, together When two side walls 11 to clamp the first terminal module 2 and the Second terminal module 3. to cause described first Arrangement between terminal module 2 and the Second terminal module 3 is even closer, also cause the first terminal module 2 with it is described Second terminal module 3 is not easy to shift in the accepting groove 13, further such that the first connecting portion 211, described second Connecting portion 311 and the stabilization in electrical contact of the electronic card, the electrical transmission performance of electric connector are good.

Compared with prior art, the utility model has the advantages that：

1. in every a pair of difference signal terminals S, the underlying difference signal terminal S have two it is first inclined Shifting portion 214, each first offset portion 214 extends away from the adjacent difference signal terminal S, so that a pair of difference The distance between signal terminal S two described first main parts 213 are less than the distance between two first connecting portions 211 and small In the distance between two described first weld parts 212, impedance matching is realized, eliminates resonance, improves cross-talk, while cause a pair The difference signal terminal S equal lengths, so as to reduce because signal caused by difference signal terminal length difference is offset so that The transmission of electric connector signal is good.

2. recessed multiple second openings 25 of the first lateral surface 20D, each second opening 25 appear a pair simultaneously The difference signal terminal S so that the difference signal terminal S and air contact, characteristic impedance is increased, is effectively improved high frequency, Signal transmission effect is good.

3. each grounding elastic part 61 extend to corresponding to it is described first opening 22 in and with the ground terminal G It is in electrical contact, strengthen shield effectiveness of the shielding piece 6 to the difference signal terminal S, improve cross-talk.

4. during the electronic card 5 inserts the docking groove 10 from front to back, the insulation shell 1 is by outer masterpiece With easily displacement, first extension 280, the elasticity of the second extension 380 is connected to the rear surface 1b, to described Insulation shell 1 has the function that spacing fixation.

5. the buckle slot 113 corresponding to the entrance of the first clamping section 281, with the corresponding bearing surface 1130 in a left side Elasticity abuts in right direction, and second clamping section 381 enters another buckle slot 113, with the corresponding bearing surface 1130 abut in elasticity on left and right directions, and first clamping part 28 presss from both sides with second clamping part 38 to two side walls 11 Tight spacing effect, it is therefore prevented that the side wall 11 is bent outwardly so that the convex portion 111 and first groove 26, described the The engaging of two grooves 36 is more firm, and the cavity 112 and first fixed part 27, the engaging of second fixed part 37 is more Add stabilization, while two side walls 11 to clamp the first terminal module 2 and the Second terminal module 3. to make The arrangement obtained between the first terminal module 2 and the Second terminal module 3 is even closer, also causes the first end submodule Group 2 is not easy to shift in the accepting groove 13 with the Second terminal module 3, further such that the first connecting portion 211, The stabilization in electrical contact of the second connecting portion 311 and the electronic card 5, the electrical transmission performance of electric connector are good.

6. first clamping part 28 and first insulating base 20 are integrally formed, second clamping part 38 and described the Two insulating bases 30 are integrally formed so that the first terminal module 2 is with the Second terminal module 3 in the accepting groove 13 Fixation does not need extra retaining element, and production process is simple, easy for installation.

7. the reinforcement chamber 630 is located in the welding hole 41, when electric connector welds with the circuit board 4, scolding tin stream Enter in the reinforcement chamber 630, increase the inflow space of scolding tin by the space of the reinforcement chamber 630, while welding can adhere to With the internal face of the reinforcement chamber 630, traction-increasing surface product, strengthen the stablizing effect welded.

Detailed description above is only the explanation of the preferred embodiment of the utility model, and non-therefore limitation the utility model is specially Sharp scope, so, all with this creation specification and diagramatic content institute, equivalence techniques changes for it, and it is specially to be both contained in this creation In sharp scope.

Claims

A kind of 1. electric connector, to dock an interfacing part, it is characterised in that including：

One insulation shell, the terminal module is at least partly coated, the insulation shell has a docking part, positioned at the docking Portion rear and two side walls being oppositely arranged and the accepting groove between two side walls, the docking section is to grafting institute State interfacing part；

One Terminals Die group, is contained in the accepting groove, and it includes an insulating base and multiple terminals on the insulating base, Each terminal has the connecting portion for extending the insulating base, and the connecting portion is at least partly revealed in the docking Portion, in electrical contact with the interfacing part, the insulating base extends an at least clamping part, and each clamping part extends institute State accepting groove and abutted with the sidewall elastomer.
2. electric connector as claimed in claim 1, it is characterised in that：The side wall has a buckle slot, the clamping part with The buckle slot is clasped.
3. electric connector as claimed in claim 1, it is characterised in that：The insulating base, which has, is oppositely arranged two buckles Portion, each clamping part abuts with the corresponding sidewall elastomer, so as to the two clamping terminal modules of side wall.
4. electric connector as claimed in claim 1, it is characterised in that：The insulating base has an end wall, the end wall connection Two side walls.
5. electric connector as claimed in claim 1, it is characterised in that：The side wall is convex towards protruding out one in the accepting groove Portion, the recessed groove of insulating base, the convex portion extends to the groove.
6. electric connector as claimed in claim 1, it is characterised in that：The recessed cavity of side wall, the cavity face institute Accepting groove is stated, the insulating base protrudes out a fixed part, and the fixed part extends to the cavity.
7. electric connector as claimed in claim 1, it is characterised in that：The terminal module has a first terminal module and one Second terminal module, the first terminal module have one first insulating base, and first insulating base, which has, extends the receipts One first clamping part of tank, to be abutted with the side wall, the Second terminal module has one second insulating base, and described Two insulating bases have one second clamping part for extending the accepting groove, to be abutted with another side wall.
8. electric connector as claimed in claim 7, it is characterised in that：First insulating base has an at least connecting pole, institute Stating the second insulating base has an at least link slot, and the connecting pole is fixed on the link slot.
9. electric connector as claimed in claim 1, it is characterised in that：The terminal module has a first terminal module, and One shielding piece, the first terminal module include one first insulating base and multiple first ends located at first insulating base Son, the shielding piece are located at the side of multiple the first terminals.
10. electric connector as claimed in claim 9, it is characterised in that：Recessed one first opening of first insulating base, it is described The first terminal includes a ground terminal, and the ground terminal is revealed in first opening, and the shielding piece has a ground connection bullet Piece, the grounding elastic part extend to it is described first opening and it is in electrical contact with the ground terminal.
11. electric connector as claimed in claim 10, it is characterised in that：First insulating base recessed at least 1 second is opened Mouthful, the first terminal includes an at least signal terminal, and the signal terminal is revealed in second opening, first opening Two apparent surfaces of first insulating base are respectively arranged on the described second opening.
12. electric connector as claimed in claim 9, it is characterised in that：The terminal module has a Second terminal module, institute Stating Second terminal module has one second insulating base and multiple Second terminals located at second insulating base, the shielding piece position Between first insulating base and the second insulating base, and first insulating base and the second insulating base folder paste the shielding Piece.
13. electric connector as claimed in claim 1, it is characterised in that：Recessed one second opening of insulating base, the terminal Including a signal terminal, the signal terminal is revealed in second opening.
14. electric connector as claimed in claim 1, it is characterised in that：The terminal includes a ground terminal and a signal Terminal, the width of the ground terminal are bigger than the width of signal terminal.
15. electric connector as claimed in claim 1, it is characterised in that：The terminal includes a pair of signal terminals, described in a pair The equal length of signal terminal.
16. electric connector as claimed in claim 1, it is characterised in that：The docking section is a docking groove, and the interfacing part is received Be dissolved in the docking groove, multiple terminal grooves are located at least side of the docking groove, the terminal groove connect the accepting groove and The docking groove, the connecting portion is located at the terminal groove and the connecting portion is with the contact for protruding out to the docking groove Portion, in electrical contact with the interfacing part.