CN110061391A

CN110061391A - Electric connector

Info

Publication number: CN110061391A
Application number: CN201910259396.4A
Authority: CN
Inventors: 程伟进
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-07-26
Anticipated expiration: 2039-04-02
Also published as: CN110061391B

Abstract

The invention discloses a kind of electric connector, to dock interfacing part, interfacing part has ground connection conductive sheet, signal conductive sheet and upper shielding part, comprising: the insulating body equipped with front end face, from front end face recessed docking groove backward, to grafting interfacing part；Ground terminal and signal terminal are set to insulating body, and ground terminal part is revealed in docking groove and is revealed in docking groove to activation signal conductive sheet to contact ground connection conductive sheet, signal section；Metal shell is placed on outside insulating body, metal shell includes that top plate is located above insulating body, metal shell has the first grounding parts of connection top plate, first grounding parts extend forward from top plate and bending is revealed in docking groove to contact with upper shielding part backward, it protrudes out to form the second grounding parts downwards from top plate, it extends back third grounding parts from top plate, the second grounding parts contact the same ground terminal with third grounding parts, extend back fixed part from top plate and insulating body cooperation is fixed.Enhance the high frequency performance of electric connector.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, the electric connector for improving high frequency performance is referred in particular to.

[background technique]

Nowadays electric connector has been applied to every field in life, with development scientific and technical now, between information Exchange rate be getting faster, therefore the requirement to electric connector is higher and higher, and not requiring nothing more than electric coupler component can support fastly The transmission rate of speed but also the service life for needing to improve electric connector.A kind of now known electric connector is used for and a pair Connect element docking, have an insulating body, the front end of the insulating body backward one docking groove of recessed formation to collecting post Interfacing part is stated, multiple ground terminals and multiple signal terminals are contained in the insulating body, and a metal shell is placed on the insulation This is external, and the metal shell includes that a top plate is located above the insulating body, and the top plate two sides respectively extend downwardly side Plate protrudes out to form the corresponding multiple ground terminals of abutting of multiple abutting elastic slices from the plate face of the top plate.

In this electric connector, the metal shell and the ground terminal contact realize function of shielding, but outside the metal Shell only by abutting elastic slice by being protruded out on the top plate and the ground terminal formed it is single contact, contact area is smaller to be made It is unobvious to obtain shield effectiveness, influences the high frequency performance of electric connector.

Therefore in view of the above-mentioned problems, needing to design a kind of new electric connector solution drawbacks described above.

[summary of the invention]

Aiming at the problem that in the presence of background technique, the present invention designs a kind of realize and shields and improve being electrically connected for high frequency performance Connect device.

In order to achieve the above object, the present invention adopts the following technical scheme:

A kind of electric connector, to dock an interfacing part, the interfacing part has at least one ground connection conductive sheet, at least one letter Shielding part on the one of number conductive sheet and side disposed thereon, comprising: an insulating body is equipped with a front end face, from the front end towards A recessed docking groove afterwards, to interfacing part described in grafting；An at least ground terminal, is set to the insulating body, each described to connect Ground terminal part is revealed in the docking groove, to contact the ground connection conductive sheet；An at least signal terminal is set to described exhausted Edge ontology, each signal section are revealed in the docking groove, to contact the signal conductive sheet；One metal shell, lid In outside the insulating body, the metal shell includes that a top plate is located above the insulating body, and the metal shell has At least one first grounding parts of the top plate are connected, first grounding parts extend forward from the top plate and bending is shown backward The docking groove is exposed to contact with the upper shielding part, protrudes out downwards to form at least one second grounding parts from the top plate, It extends back an at least third grounding parts from the top plate, one of them described second grounding parts and one of them described third Grounding parts contact the same ground terminal, match from the top plate at least fixed part that extends back with the insulating body It closes and fixes.

Further, each third grounding parts laterally abut one of them described ground terminal in the lateral direction.

Further, the ground terminal be equipped with it is multiple, the metal shell be equipped with multiple second grounding parts with it is multiple The third grounding parts, each ground terminal with the second grounding parts described in one of them and one of them described third Grounding parts contact.

Further, the third grounding parts of a portion laterally contact the corresponding ground terminal to the left, another The partial third grounding parts laterally contact to the right the corresponding ground terminal.

Further, the top plate extends back multiple fixed parts, in the lateral direction, fixed part described in two of them Between multiple second grounding parts and multiple third grounding parts are distributed with.

Further, there is each ground terminal a main body to be set to the insulating body, extend forward from the main body There is one first contact portion to be revealed in the docking groove downwards for one first elastic arm and one second elastic arm, first elastic arm, to The upper shielding part is contacted downwards, and there is second elastic arm one second contact portion to be revealed in the docking groove, to contact Ground connection conductive sheet is stated, first contact site is in the front of second contact portion.

Further, second grounding parts are being stamped and formed out from the top plate, and second grounding parts are cantilever design And one of them described first elastic arm is abutted downwards.

Further, second grounding parts extend forward obliquely after.

Further, the insulating body has a rear end face, a rear end face recessed mounting groove from back to front, the peace Tankage extends upward through the insulating body, and the main body upwardly extends an adjutage and protrudes into the mounting groove, and the third connects Ground portion laterally abuts the adjutage in the lateral direction.

Further, the interfacing part has the shielding part once being located on the downside of it, extends one the forward from the main part Three elastic arms, there is the third elastic arm third contact portion to be revealed in the docking groove upwards, to contact the lower screen upwards Shield.

Further, two side contacts up and down of second contact portion and the third contact portion and the interfacing part, it is described Third contact site is between first contact portion and second contact portion.

Further, the main body has an interconnecting piece, and the interconnecting piece connects second elastic arm and the third elastic arm, Second contact portion and the third contact portion in the up-down direction at a distance from be greater than the interconnecting piece in the up-down direction Width.

Further, the main body is equipped with a perforative through-hole, the through-hole are located at the interconnecting piece in the lateral direction Rear and the two is aligned setting in the longitudinal direction.

Further, it is downwardly and rearwardly bent from the front end of the top plate and extends to form an at least bending part, the bending Portion and the insulating body clamping cooperate.

Further, the top plate two sides respectively extend downwardly side plate, and the side plate is equipped with a block button hole in the lateral direction The side plate is penetrated through, is respectively provided with the convex block protruded outward at left and right sides of the insulating body, the convex block protrudes into the buckle Hole cooperation.

It further, further comprise two fixing pieces, two fixing pieces are located at the left and right sides of the docking groove, often One fixing piece is equipped with a holding parts and fixes with the insulating body, bends from the holding parts and extends an extension, from institute It states extension and extends a clasp arm forward, there is the clasp arm holding part to protrude into the docking groove, described to buckle Interfacing part.

Further, the insulating body has the roof being located above the docking groove, is located at below the docking groove A bottom wall and the connection roof and the bottom wall a rear wall, the holding parts are immobilizated in the roof and extend forward Beyond the rear wall.

Further, the clasp arm has a bending segment, and the bending segment is in the lateral direction towards the docking geosynclinal convex It stretches to be formed.

Further, the holding parts and the clasp arm are located at different height in the up-down direction.

Further, the ground terminal is blanking type structure, and the signal terminal is pressing and bending structure.

Compared with prior art, the electric connector that the present invention designs has the advantages that

The metal shell has first grounding parts contacted with the upper shielding part of the interfacing part, also has With second grounding parts of the same ground terminal contact and the third grounding parts, increase contact area with contact Range improves the ground terminal and the metal shell to the screening ability of the signal terminal, to enhance described The high frequency performance of electric connector makes it meet higher requirement.

[Detailed description of the invention]

Fig. 1 is the perspective view of electric connector and interfacing part of the invention；

Fig. 2 is the stereogram exploded view of electric connector in Fig. 1；

Fig. 3 is that the metal shell of electric connector in Fig. 2 overturns the perspective view of 180 degree；

Fig. 4 is interfacing part and the partial sectional view after electric connector grafting in Fig. 1；

Fig. 5 is the perspective view of ground terminal in Fig. 1；

Fig. 6 is the cross-sectional view in Fig. 4 along line A-A；

Fig. 7 is the cross-sectional view in Fig. 4 along line B-B；

Fig. 8 be Fig. 4 in ladder cut open after perspective view；

Fig. 9 is the top view of the non-grafting interfacing part of electric connector in Fig. 7；

Figure 10 is the cross-sectional view in Fig. 4 along line C-C；

Figure 11 is the cross-sectional view in Fig. 4 along line D-D；

Figure 12 is interfacing part and the top view after electric connector grafting in Fig. 1.

The drawing reference numeral of specific embodiment illustrates:

[specific embodiment]

Content for a better understanding of the present invention does further in detail the present invention now in conjunction with specific embodiment and diagram Explanation.

For convenience of description, definition x-axis is front-rear direction, and y-axis is left and right directions, and z-axis is up and down direction.

Referring to Fig. 1, being electric connector 100 of the invention, to dock an interfacing part 200, the electric connector 100 It is installed on a circuit board 300 downwards, the interfacing part 200, which is inserted in both described electric connectors 100 backward and is formed, electrically to be connected It connects.

Fig. 2 and Fig. 3 are please referred to, the electric connector 100 has an insulating body 1, set on the more of the insulating body 1 A ground terminal 2 is set with multiple signal terminals 3, two fixing pieces 4 of the left and right sides for being immobilizated in the insulating body 1 and lid In the metal shell 5 outside the insulating body 1.

Fig. 2 and Fig. 4 are please referred to, the insulating body 1 is equipped with a front end face 101, a rear end face 102 and two side faces 103, It is oppositely arranged before and after the front end face 101 and the rear end face 102, the two side faces 103 connect the front end face 101 and institute State rear end face 102.From the front end face 101 one docking groove 11 of recessed formation backward, to interfacing part 200 described in grafting.It is described Insulating body 1 has the roof 12 for being located at 11 top of docking groove, the bottom wall 13 below docking groove 11 and connects A rear wall 14 of the roof 12 and the bottom wall 13 is connect, the rear wall 14 is located at the rear of the docking groove 11, the insulation Ontology 1 also has two side walls 15 for being located at 11 left and right sides of docking groove, and the side wall 15 connects the roof 12 and the bottom Wall 13.

Please refer to Fig. 2 and Fig. 4, the roof 12 has from the front end face 101 recessed multiple first grooves backward 121, multiple second grooves 122 and multiple third grooves 123, first groove 121 is close to the front of the front end face 101 Run through the roof 12 above and below point, and be connected to the docking groove 11 downwards, first groove 121 is far from the front end face 101 Rear part only downward through the roof 12, and be connected to the docking groove 11 downwards.Second groove 122 and described the Three grooves 123 run through the roof 12 up and down respectively, and are connected to the docking groove 11 downwards, and the third groove 123 is in front and back The length in direction is longer than the length of second groove 122 in the longitudinal direction, and each first groove 121 is in right and left It is located between two third grooves 123 upwards.The roof 12 is past again downwards in the part close to the rear end face 102 Recessed multiple fixing grooves 124 afterwards, the rear end of the fixing groove 124 does not extend upward through the roof 12, not downward through described yet Roof 12, the fixing groove 124 be located at the rear of second groove 122 and in the longitudinal direction with second groove 122 Positioned at same straight line.

Fig. 2 and Fig. 4 are please referred to, from the rear end face 102 recessed two containers 16 and multiple mounting grooves 125 forward.Two A container 16 is located at the left and right sides of the docking groove 11, each described container 16 accommodates a fixation Part 4, the preceding part of the container 16 are connected to the docking groove 11 in the lateral direction.The mounting groove 125 is located at described The top of docking groove 11 and the rear for being located at the docking groove 11, the mounting groove 125 and extend upward through the roof 12.From Each side 103 protrudes outward to form a convex block 17 and a fixed block 18, and the fixed block 18 is located at the convex block 17 Rear.

Fig. 2, Fig. 5 and Fig. 6 are please referred to, in the present embodiment, the ground terminal 2 is that sheet metal passes through direct blanking Mode formed, i.e., the described ground terminal 2 is blanking type terminal, and the ground terminal 2 is inserted into the insulating body from back to front 1.It is in a flat main body 21 that the ground terminal 2, which has, and the main body 21 is immobilizated in the insulating body 1.The main body 21 have a through-hole 211, and the through-hole 211 through the main body 21 and has a top edge 2111 and one in the lateral direction Lower edge 2112.

Please refer to Fig. 2 and Fig. 6, from the main body 21 towards the docking groove 11 extend one first elastic arm 22, i.e., described first Elastic arm 22 extends to form forward from the main body 21, and first elastic arm 22 is equipped with one first contact portion 221 and protrudes into downwards The docking groove 11.

Fig. 5 and Fig. 6 are please referred to, the main body 21 has the interconnecting piece 212 extended forward, the interconnecting piece 212 and institute It states through-hole 211 and is aligned setting in the longitudinal direction, the interconnecting piece 212 is located at 22 lower section of the first elastic arm and in upper and lower Upwards between the top edge 2111 and the lower edge 2112.212 front end of interconnecting piece connects up one second bullet Arm 23 connects downwards a third elastic arm 24, and second elastic arm 23 respectively forwardly extends with the third elastic arm 24, and described the Two elastic arms 23 are equipped with one second contact portion 231 and protrude into the docking groove 11 downwards, and the third elastic arm 24 is equipped with a third and connects Contact portion 241 is upward convex to protrude into the docking groove 11, and second contact portion 231 and the third contact portion 241 are in above-below direction It is the distance between upper to be greater than the width of the interconnecting piece 212 in the up-down direction.In the longitudinal direction, the third contact portion 241 between first contact portion 221 and second contact portion 231.

Fig. 4 Fig. 6 is please referred to, the main body 21 has extended further up an adjutage 25, and the adjutage 25 protrudes into The mounting groove 125, and be revealed in outside the roof 12 upwards.

Fig. 5 and Fig. 6 are please referred to, extends rearwardly to form a ground connection leg 26, the ground connection weldering from the bottom end of the main body 21 Foot 26 manifests the insulating body 1 backward, to be electrically connected with the circuit board 300 welding.

Fig. 2 and Fig. 7 are please referred to, the signal terminal 3 is metallic plate punching bending structure, each signal terminal 3 Has the elastic arm 31 extended to form forward, the elastic arm 31 is equipped with a junction 311 and protrudes into the docking groove downwards 11, the junction 311 is located at sustained height with second contact portion 231 in the up-down direction, and in the lateral direction with The alignment of second contact portion 231 setting, it is described that also there is each signal terminal 3 a signal leg 32 to be revealed in backward Outside insulating body 1, to be electrically connected with the circuit board 300 welding.

Fig. 2, Fig. 8, Fig. 9 and Figure 10 are please referred to, two fixing pieces 4 are located at the left and right sides of the docking groove 11, and It is installed from back to front into two containers 16, each fixing piece 4 is equipped with a holding parts 41 and the insulating body 1 Fixed, the outer edge of the holding parts 41 is stepped from back to front, and the holding parts 41 are immobilizated in the roof 12 and forward Beyond the rear wall 14.It is bent downward from the rear end side of the holding parts 41 and extends to form an extension 42, from the extension Portion 42 extends forward a clasp arm 43, and the clasp arm 43 is located at the lower section of the holding parts 41, due to the clasp arm 43 with The holding parts 41 are located at different planes in the up-down direction, and the reasonable utilization insulating body 1 is in the up-down direction Space, so that the holding parts 41 is met the length of design, so as to by the fixing piece 4 it is stable be fixed on it is described Container 16.The clasp arm 43 has a holding part 431, and the holding part 431 protrudes into the docking in the lateral direction Slot 11.The clasp arm 43 has a bending segment 432, and the bending segment 432 is convex towards the docking groove 11 in the lateral direction It stretches, and in the longitudinal direction between the holding part 431 and the extension 42, the bending segment 432 increases described The elasticity of clasp arm 43.

Fig. 2 and Fig. 4 are please referred to, the metal shell 5 is formed for metallic plate punching, and the metal shell 5 is from after going to It installs to the outside of the insulating body 1.The top that there is the metal shell 5 top plate 51 to be located at the insulating body 1, Side plate 52 is respectively extended to form downwards from 51 two sides of top plate, and the correspondence of two side plate 52 is covered in outside two side wall 15.

Fig. 2 and Fig. 3 are please referred to, is downwardly and rearwardly bent from the front end of the top plate 51 and extends to form multiple bending parts 53, the bending part 53 protrudes into first groove 121 and cooperates with 1 clamping of insulating body, prevents the metal shell 5 It falls off, the bending part 53 is located at the rear of the front end face 101.

Fig. 2, Fig. 3 and Figure 11 are please referred to, the metal shell 5 has multiple first grounding parts for connecting the top plate 51 54, the front end of each first grounding parts 54 from the top plate 51, which is bent downward, to be extended to form, and is located in the lateral direction Between two bending parts 53.First grounding parts 54 protrude into corresponding second groove 122.

Fig. 2, Fig. 3 and Fig. 6 are please referred to, is stamped and formed out multiple second grounding parts downwards in the middle position of the top plate 51 55, second grounding parts 55 are the cantilever extended diagonally downward from the rear to the front, to increase the bullet of second grounding parts 55 Property.Second grounding parts 55 protrude into the corresponding third groove 123 and contact first elastic arm 22 downwards, enhance institute State the contact between metal shell 5 and the ground terminal 2.Certainly, in other embodiments, second grounding parts 55 can Think the convex closure structure being stamped and formed out downwards from the top plate 51, and need to only abut the ground terminal 2.

Fig. 2, Fig. 3 and Figure 12 are please referred to, is extended back multiple third grounding parts 56 and multiple fixed parts from the top plate 51 57, correspondence protrudes into multiple mounting grooves 125, and each third grounding parts 56 to multiple third grounding parts 56 backward In the lateral direction with corresponding 25 side of adjutage to contacting, a part in the plurality of third grounding parts 56 The third grounding parts 56 are towards the corresponding adjutage 25 of left contact, and third grounding parts 56 described in another part are towards right contact The corresponding adjutage 25, such multiple third grounding parts 56 give multiple 2 opposite directions of the ground terminal Power, the power of both direction can cancel each other out a part, and then reduce the stress generated to the electric connector 100.It is multiple described Fixed part 57 is corresponding backward to be inserted into multiple fixing grooves 124, keeps the metal shell 5 and the insulating body 1 mutually solid It is fixed.Certainly, in other embodiments, the third grounding parts 56 can abut downwards the ground terminal 2.

Fig. 2, Fig. 3 and Fig. 4 are please referred to, each side plate 52 is equipped with and penetrates through the one of the side plate 52 in the lateral direction The rear end of block button hole 521, each side plate 52 is recessed with an opening 522 forward.The block button hole 521 is than the convex block 17 Length in the longitudinal direction is long, and is located at 522 front of opening.It is installed from front to back when by the metal shell 5 to institute When stating insulating body 1, the convex block 17 is fastened on the corresponding block button hole 521, and can slide in the block button hole 521, The opening 522 is fixed with the fixed block 18 cooperation.Extending outwardly from 2112 level of lower edge of each side plate 52 has one Grounding leg 58, the grounding leg 58 are welded in the circuit board 300, make the metal shell 5 and the circuit board 300 formation Grounding connection.

Fig. 1 and Fig. 2 are please referred to, the interfacing part 200 has a docking part 6, and the upper surface of the docking section 6 is equipped with The multiple ground connection conductive sheets 61 being arranged side by side on left and right directions and multiple signal conductive sheets 62, the ground connection conductive sheet 61 and institute Signal conductive sheet 62 is stated to be revealed in upwards respectively outside the docking section 6.The docking section 6 to be each side recessed with one recessed Portion 63.There is on one the interfacing part 200 shielding part 7 to be covered in the upside of the interfacing part 200, and the upper shielding part 7 Part has a rearwardly and down inclined inclined surface 71 afterwards, and the inclined surface 71 is located at the front of the docking section 6, described Inclined surface 71 is to reduce the insertion force that the interfacing part 200 is inserted into the electric connector 100, avoid to described as guiding Electric connector 100 causes to damage.The interfacing part 200 is covered in the downside of the interfacing part 200 with shielding part 8 once, and The rear end of the lower shielding part 8 is covered in the lower surface of the docking section 6.

Fig. 6 and Fig. 9 are please referred to, during the interfacing part 200 is inserted back into the docking groove 11, described first is connect Ground portion 54 contacts downwards the upper shielding part 7, and first contact portion 221 contacts downwards the upper shielding part 7 and forms ground connection simultaneously It is slid from back to front on the upper shielding part 7, first contact portion 221 is facilitated by the guiding of the inclined surface 71 The insertion of the interfacing part 200, reduces insertion force.After the interfacing part 200 is fully inserted into the docking groove 11, described One contact portion 221 contacts downwards the upper shielding part 7, and the position that contacts with each other of the two is located at the front of the inclined surface 71, Second contact portion 231 contacts downwards the corresponding ground connection conductive sheet 61, and the junction 311 contacts corresponding upwards The signal conductive sheet 62, the third contact portion 241 contact the lower shielding part 8 upwards.Second contact portion 231 with While the third contact portion 241 clamps docking section 6, second elastic arm 23 and the third elastic arm 24 can be made It deforms, and due to the presence of the interconnecting piece 212, the elasticity of the ground terminal 2 is increased, buffer function is played, from And second elastic arm 23 and the third elastic arm 24 is prevented to be broken；On the other hand the through-hole 211 is set to the company The rear of socket part 212, and the interconnecting piece 212 is located at the top edge 2111 and the lower edge 2112 in the up-down direction Between, and provided for the interconnecting piece 212 and allow bit space, further increase the elasticity of the interconnecting piece 212.The button It holds portion 431 and protrudes into the corresponding recess portion 63 and buckled, prevent the interfacing part 200 from falling off with the electric connector 100.

Referring to Fig. 6, first contact portion 221 contacts downwards the upper shielding part 7, thus first elastic arm 22 An active force is applied to the interfacing part 200 downwards, and the active force is transmitted in the insulation by the interfacing part 200 Ontology 1, since the insulating body 1 is installed on downwards the circuit board 300, so the circuit board 300 being disposed below A upward holding power, the active force that upward holding power and first elastic arm 22 apply are provided to the insulating body 1 It cancels out each other, so that the insulating body 1 be prevented to deform, extends the service life of the electric connector 100.

Electric connector of the invention has following gain effect in summary:

1. the metal shell 5 has first grounding parts contacted with the upper shielding part 7 of the interfacing part 200 54, also there are second grounding parts 55 and the third grounding parts 56 contacted with the ground terminal 2, make described Grounding path is formed between electric connector 100 and the interfacing part 200；The ground terminal 2 and the metal shell 5 simultaneously Multipoint earthing is formed, contact area and contact range is increased, improves 5 pairs of institutes of the ground terminal 2 and the metal shell The screening ability of signal terminal 3 is stated, to enhance the high frequency performance of the electric connector 100, it is made to meet higher use It is required that.

2. after the metal shell 5 is installed on the insulating body 1, first grounding parts 54 are abutted on described downwards Shielding part 7, second grounding parts 55 abut downwards the ground terminal 2, thus the metal shell 5 will receive it is multiple to On active force, be inserted into multiple fixing grooves 124 since multiple fixed parts 57 are corresponding backward, make the metal shell 5 Rear end be fixed to each other with the insulating body 1.Avoid the feelings that warpage is occurred by upward active force for the metal shell 5 Condition enables metal shell 5 is firm to be installed on the insulating body 1.

3. the ground terminal 2 is equipped with first elastic arm 22 and described second positioned at described 200 the same side of interfacing part Elastic arm 23, first contact portion 221 abut downwards the upper shielding part 7, and second contact portion 231 contacts the ground connection Conductive sheet 61, first contact portion 221 are located at the front of second contact portion 231.First elastic arm 22 is downwards to institute It states interfacing part 20 and applies an active force, and the active force is transmitted in the insulating body 1 by the interfacing part 200, due to The insulating body 1 is installed on downwards the circuit board 300, so the circuit board 300 being disposed below is to described Insulating body 1 provides a upward holding power, and the active force that upward holding power applies with first elastic arm 22 mutually supports Disappear, it is therefore prevented that the insulating body 1 deforms, and extends the service life of the electric connector 100.

The explanation of the only preferred embodiment of invention, the scope of the patents that is non-therefore limiting to the present invention, institute is described in detail above With all with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation It is interior.

Claims

1. a kind of electric connector, to dock an interfacing part, the interfacing part has at least one ground connection conductive sheet, at least a signal Shielding part on the one of conductive sheet and side disposed thereon characterized by comprising

One insulating body is equipped with a front end face, from a front end face recessed docking groove backward, to interfacing part described in grafting；

An at least ground terminal is set to the insulating body, and each ground terminal part is revealed in the docking groove, to Contact the ground connection conductive sheet；

An at least signal terminal is set to the insulating body, and each signal section is revealed in the docking groove, to contact The signal conductive sheet；

One metal shell is placed on outside the insulating body, and the metal shell includes that a top plate is located above the insulating body, The metal shell has at least one first grounding parts for connecting the top plate, and first grounding parts prolong forward from the top plate It stretches and bends backward and be revealed in the docking groove to contact with the upper shielding part, protrude out downwards to be formed at least from the top plate One second grounding parts extend back an at least third grounding parts from the top plate, one of them described second grounding parts with wherein One third grounding parts contacts the same ground terminal, from the top plate extend back an at least fixed part with it is described Insulating body cooperation is fixed.

2. electric connector as described in claim 1, it is characterised in that: each third grounding parts are lateral in the lateral direction Abut one of them described ground terminal.

3. electric connector as described in claim 1, it is characterised in that: the ground terminal is equipped with multiple, the metal shell Equipped with multiple second grounding parts and multiple third grounding parts, each ground terminal is with described in one of them Two grounding parts are contacted with third grounding parts described in one of them.

4. electric connector as claimed in claim 3, it is characterised in that: the third grounding parts of a portion are lateral to the left The corresponding ground terminal is contacted, the third grounding parts of another part laterally contact to the right the corresponding ground terminal Son.

5. electric connector as claimed in claim 3, it is characterised in that: the top plate extends back multiple fixed parts, Multiple second grounding parts are distributed on left and right directions, between fixed part described in two of them and multiple thirds are grounded Portion.

6. electric connector as described in claim 1, it is characterised in that: it is described that there is each ground terminal a main body to be set to Insulating body extends forward one first elastic arm and one second elastic arm from the main body, and first elastic arm has one first contact Portion is revealed in downwards the docking groove, and to contact the upper shielding part downwards, second elastic arm has one second contact portion It is revealed in the docking groove, to contact the ground connection conductive sheet, first contact site is before second contact portion Side.

7. electric connector as claimed in claim 6, it is characterised in that: second grounding parts are the punching press shape from the top plate At second grounding parts are cantilever design and abut one of them described first elastic arm downwards.

8. electric connector as claimed in claim 7, it is characterised in that: second grounding parts extend forward obliquely after.

9. electric connector as claimed in claim 6, it is characterised in that: the insulating body has a rear end face, the rear end A recessed mounting groove, the mounting groove extend upward through the insulating body from back to front in face, and the main body upwardly extends an extension Arm protrudes into the mounting groove, and the third grounding parts laterally abut the adjutage in the lateral direction.

10. electric connector as claimed in claim 6, it is characterised in that: the interfacing part has the screen once being located on the downside of it Shield extends forward a third elastic arm from the main part, and there is the third elastic arm third contact portion to be revealed in institute upwards Docking groove is stated, to contact the lower shielding part upwards.

11. electric connector as claimed in claim 10, it is characterised in that: second contact portion and the third contact portion with Two side contacts up and down of the interfacing part, the third contact site in first contact portion and second contact portion it Between.

12. electric connector as claimed in claim 10, it is characterised in that: the main body has an interconnecting piece, the interconnecting piece Connect second elastic arm and the third elastic arm, second contact portion and the third contact portion in the up-down direction away from From greater than the width of the interconnecting piece in the up-down direction.

13. electric connector as claimed in claim 12, it is characterised in that: the main body is equipped in the lateral direction perforative one Through-hole, the through-hole is located at the rear of the interconnecting piece and the two is aligned setting in the longitudinal direction.

14. electric connector as described in claim 1, it is characterised in that: downwardly and rearwardly bent from the front end of the top plate An at least bending part is extended to form, the bending part and the insulating body clamping cooperate.

15. electric connector as described in claim 1, it is characterised in that: the top plate two sides respectively extend downwardly side plate, described Side plate is equipped with a block button hole and penetrates through the side plate in the lateral direction, is respectively provided at left and right sides of the insulating body and to protrude outward One convex block, the convex block protrude into the block button hole cooperation.

16. electric connector as described in claim 1, it is characterised in that: further comprise two fixing pieces, two fixations Part is located at the left and right sides of the docking groove, and each fixing piece is equipped with a holding parts and fixes with the insulating body, from institute It states holding parts bending and extends an extension, extend a clasp arm forward from the extension, the clasp arm has a holding part The docking groove is protruded into, to buckle the interfacing part.

17. electric connector as claimed in claim 16, it is characterised in that: the insulating body, which has, to be located on the docking groove A roof, the bottom wall below the docking groove and the rear wall for connecting the roof and the bottom wall of side, it is described solid The portion of holding is immobilizated in the roof and extends beyond the rear wall forward.

18. electric connector as claimed in claim 17, it is characterised in that: the clasp arm has a bending segment, the bending Section protrudes out to be formed towards the docking groove in the lateral direction.

19. the electric connector as described in benefit requires 17, it is characterised in that: the holding parts and the clasp arm are in the up-down direction Positioned at different height.

20. the electric connector as described in benefit requires 1, it is characterised in that: the ground terminal is blanking type structure, the signal end Son is pressing and bending structure.