CN109301545A

CN109301545A - Electric connector

Info

Publication number: CN109301545A
Application number: CN201811181528.8A
Authority: CN
Inventors: 赵从林; 殷腾飞
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2019-02-01
Anticipated expiration: 2038-10-11
Also published as: CN109301545B

Abstract

The invention discloses a kind of electric connectors, for connecting an abutment element, it include: an ontology, with a slot and positioned at two side walls of slot two sides, wherein at least one side wall is equipped with the multiple accepting holes being connected with slot, multiple accepting holes include multiple first accepting holes and at least one second accepting hole, side wall also has the holding tank on the outside of multiple accepting holes and a groove of corresponding every one first accepting hole setting, groove is respectively communicated with holding tank and corresponding first accepting hole, and holding tank does not run through corresponding side wall outward；Multiple terminals, including multiple ground terminals and an at least signal terminal, ground terminal is corresponding to be contained in the first accepting hole, and signal terminal correspondence is contained in the second accepting hole；An at least earthing member, multiple grounding parts that there is each earthing member a main part and main body to extend to form, main part are contained in holding tank, and grounding parts are contained in groove and contact ground terminal.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connectors, refer in particular to a kind of electric connector for meeting high speed transmission of signals.

Background technique

With the development of science and technology, electronic product develops towards miniaturization and high performance direction, becomes smaller in electronic product volume While, the requirement to the transmission rate of electronic product is higher and higher, causes the electric connector structure of existing electronic product cannot Meet the requirement to transmission rate.

A kind of existing bayonet connector, including an insulating body are fixed on multiple conductive terminals of the insulating body, And it covers in a metal shell of the insulating body periphery.Each conductive terminal has a main part, will be described The contact portion that conductive terminal is fixed on the insulating body, upwardly extends from the main part, for being contacted with an electronic card, And from the weld part that the main part extends downwardly, the conductive terminal is soldered on a circuit board.It is multiple described Conductive terminal includes multiple signal terminals and multiple ground terminals, and the weld part of the ground terminal contacts the circuit board Ground path, by the ground terminal ground, the metal shell is equipped with multiple fixed feets and is soldered to the circuit board, institute It states fixed feet and contacts another ground path of the circuit board, to shield interference of the external environment to the signal terminal.

However, when the electronic card is inserted into the bayonet connector, due to the ground terminal and the metal shell Between be not in contact with each other, cause the signal terminal inside the bayonet connector to still have when carrying out high speed transmission of signals Higher resonance affects the quality of the high speed transmission of signals of the bayonet connector.

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

Summary of the invention

For background technique problem encountered, creation of the invention, which is designed to provide one kind, has lower resonance to change The electric connector of kind high speed transmission of signals quality.

In order to achieve the above object, electric connector of the present invention adopts the following technical scheme that

A kind of electric connector, for connecting an abutment element a, comprising: ontology has one first face that is oppositely arranged and one the Two faces, the ontology have from described first facing towards the recessed formation in the second face a slot and be located at the slot it is opposite Two side walls of two sides, the slot are used to plug for the abutment element, and side wall described in wherein at least one is equipped with to be inserted with described Multiple accepting holes that slot is connected, multiple accepting holes include multiple first accepting holes and at least one second accepting hole, described Side wall also has the one recessed of a holding tank on the outside of multiple accepting holes and corresponding each first accepting hole setting Slot, the groove are respectively communicated with the holding tank and corresponding first accepting hole, and the holding tank and the groove are certainly Described second is recessed to be formed facing towards first face, and the holding tank does not run through the corresponding side wall outward；It is more A terminal, to be connected with the abutment element comprising multiple ground terminals and at least a signal terminal, the ground terminal Corresponding to be contained in first accepting hole, the signal terminal correspondence is contained in second accepting hole；An at least earthing member, often Multiple grounding parts that one earthing member has a main part and extends to form from the main part, the main part are contained in The holding tank, the grounding parts are contained in the groove and the contact ground terminal.

Further, each terminal includes a base portion and extends shape from one end of the base portion towards first face At a contact portion, the base portion is fixed on the accepting hole, and the contact portion is revealed in the slot for docking with described Element connects, and the plate edge of the free terminal of the grounding parts contacts the plate face of the base portion of the ground terminal.

Further, each main part be equipped with multiple through-holes, each through-hole have 2 first opposite lateral margins with And 2 second lateral margins of connection 2 first lateral margin, wherein at least one described second lateral margin of each through-hole is towards institute It states ground terminal and is bent to form the grounding parts, and the plate face of the grounding parts is perpendicular to first face.

Further, each main part is equipped with an at least through-hole, and each through-hole has 2 first opposite lateral margins And 2 second lateral margins of 2 first lateral margin are connected, each second lateral margin direction of through-hole described in wherein at least one The ground terminal is bent to form the grounding parts.

Further, each main part is equipped with multiple through-holes in closed and is located at through-hole described in each adjacent two Between a separating part, the opposite sides of separating part described in wherein at least one is respectively facing the ground terminal and is bent to form institute State grounding parts.

Further, each terminal includes a base portion and extends shape from one end of the base portion towards first face At a contact portion, the contact portion is revealed in the slot for connecting with the abutment element, the phase of each base portion The plate edge of two sides is protruded out respectively to form a protrusion and respectively one notch of recess formation, the protrusion is fixed with the accepting hole Cooperation, set on the two neighboring terminal of the same side wall, the protrusion edge of one of them terminal is parallel to institute The direction for stating the first face corresponds to the notch of another terminal.

Further, the base portion that the grounding parts contact the ground terminal forms a contact area, the contact zone Domain is relative to the notch closer to first face.

Further, it is solid to be equipped at least one for being further recessed from the holding tank towards first face and being formed for the side wall Determine slot, the earthing member, which has, protrudes out at least fixed part to be formed, the fixation from the main part towards first face Portion and the fixing groove secure fit.

Further, each main part is set corresponding to each fixed part along direction perpendicular to first face There is a through-hole.

Further, the grounding parts and the fixed part prolong from phase the same end of the main part towards first face It stretches to be formed.

Further, the slot extends along a longitudinally, and each grounding parts include prolonging from main part bending The abutting part stretching the extension to be formed and extending from the extension towards the ground terminal, each groove include Interconnected one first groove and one second groove, first groove are connected to the holding tank and the receiving extension, Second groove is connected to first accepting hole and the receiving abutting part, and along the longitudinally, and described first The size of groove is greater than the size of second groove.

Further, the slot extends along a longitudinally, and there is the ontology fool proof portion to be located in the slot, institute It states fool proof portion and the slot is divided into one first slot and one second slot, the length of first slot is greater than described second The length of slot, the earthing member only correspond to the first slot setting.

Further, each side wall is equipped with multiple first accepting holes and multiple second accepting holes, Duo Gesuo Stating terminal includes multiple ground terminals and multiple signal terminals, and multiple ground terminal correspondences are contained in multiple institutes The first accepting hole is stated, multiple signal terminal correspondences are contained in multiple second accepting holes, and each side wall is to receivable Hold an earthing member.

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

The holding tank is recessed to be formed from described second facing towards first face with the groove, and the holding tank not to Run through the corresponding side wall outside, the main part of the earthing member is contained in the holding tank, the earthing member The grounding parts are contained in the groove and the contact ground terminal, so that the earthing member and the ground terminal are mutually electric Property link together, reduce the resonance of signal terminal generation when carrying out high speed transmission of signals, improve described be electrically connected The quality of the high speed transmission of signals of device is connect, and the earthing member is set in the side wall, not will increase the electric connector Volume is conducive to the electric connector towards miniaturization.

[Detailed description of the invention]

Fig. 1 is the stereogram exploded view of the electric connector of first embodiment of the invention；

Fig. 2 is the perspective view of a part of terminal of electric connector in Fig. 1；

Fig. 3 is the perspective view of the earthing member of electric connector in Fig. 1；

Fig. 4 is after electric connector and electronic component connect in Fig. 1, and the perspective view before connecting with abutment element；

Fig. 5 is the main view of Fig. 4；

Fig. 6 is cross-sectional view of the Fig. 5 on the direction A-A；

Fig. 7 is the enlarged drawing of the part a in Fig. 6；

Fig. 8 is stereogram exploded view of the electric connector at another visual angle of first embodiment of the invention；

Fig. 9 is the three-dimensional combination figure of electric connector in Fig. 8；

Figure 10 is the stereogram exploded view of the electric connector of second embodiment of the invention；

Figure 11 is the three-dimensional combination figure of electric connector in Figure 10；

Figure 12 is the main view of Figure 11.

The drawing reference numeral of specific embodiment illustrates:

Electric connector 100	Ontology 1	First face 11	Second face 12
				Slot 13	First slot 13A	Second slot 13B	Side wall 14
Accepting hole 141	First accepting hole 141A	Second accepting hole 141B	Holding tank 142
				Groove 143	First groove 143A	Second groove 143B	Fixing groove 144
Fool proof portion 15	Terminal 2	Ground terminal 2A	Signal terminal 2B
				Base portion 21	Protrusion 211	Notch 212	Contact portion 22
Junction 23	Earthing member 3	Main part 31	Through-hole 311
				First lateral margin 3111	Second lateral margin 3112	Separating part 312	Grounding parts 32
Extension 321	Abutting part 322	Fixed part 33	Abutment element 200
				Recess 4	Electronic component 300	Longitudinally X	Transverse direction Y
Vertical direction Z	Contact area S

[specific embodiment]

Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with the drawings and specific embodiments The invention will be further described.

As shown in Figure 1, the definition of electric connector 100 of the present invention has a vertical direction Z, and perpendicular to the vertical direction Z And orthogonal longitudinally X and a transverse direction Y.

It as shown in Figure 1, Figure 4 and Figure 5, is the electric connector 100 of first embodiment of the invention, for connecting an abutment element 200 to one electronic components 300 a comprising ontology 1 and multiple terminals 2 and two earthing members 3 in the ontology 1.Its In, the electric connector 100 is PCI-E connector, and the abutment element 200 is electronic card, and the electronic component 300 is electricity Road plate.Certainly in other embodiments, the electric connector 100 or other types of connector, and docking member Part 200 and the electronic component 300 are corresponding using other types of component.

As shown in Figure 1 and Figure 4, the ontology 1 is made of insulating material, and the ontology 1 includes one be oppositely arranged up and down First face 11 and one second face 12, from first face 11 towards a slot 13 of the recessed formation in second face 12, be located at institute State two side walls 14 of 13 opposite sides of slot and in the slot 13 and a fool proof portion of connection two side wall 14 15。

As shown in Figure 1, Figure 4 and Figure 5, first face 11 is located at the top in second face 12, first face 11 with Second face 12 is parallel to each other and perpendicular to the vertical direction Z.The slot 13 is arranged in lengthwise, for supplying the docking Element 200 plugs downwards.The slot 13 is divided into one first slot 13A and one second slot 13B, institute by the fool proof portion 15 The length for stating the first slot 13A is greater than the length of the second slot 13B, the abutment element 200 be correspondingly provided with a recess 4 with The fool proof portion 15 cooperates.

As shown in Fig. 1, Fig. 5 and Fig. 8, each side wall 14 is equipped with a multiple accepting holes 141, holding tank 142, multiple recessed Slot 143 and multiple fixing grooves 144.Certainly in other embodiments, the ontology 1 can also an only side wall wherein 14 are equipped with the accepting hole 141, the holding tank 142, the groove 143 and the fixing groove 144.

As shown in Fig. 1, Fig. 5 and Fig. 8, each about 141 accepting hole runs through first face 11 and second face 12, the accepting hole 141 is connected in the transverse direction Y with the slot 13, and is set on the same side wall 14 Multiple accepting holes 141 arrange along the longitudinally X and are arranged in a row.Correspond to the multiple described of each side wall 14 Accepting hole 141 includes multiple first accepting hole 141A and multiple second accepting hole 141B.Certainly in other embodiments, Mei Yisuo The second accepting hole 141B can also be provided only with by stating side wall 14.

As shown in Fig. 1, Fig. 5 and Fig. 8, each holding tank 142 is recessed from second face 12 towards first face 11 It falls into and is formed, the holding tank 142 does not extend upward through first face 11, and the holding tank 142 is not outward through corresponding The side wall 14, the holding tank 142 are located at the outside of multiple accepting holes 141 on the corresponding side wall 14.

As shown in Fig. 1, Fig. 5 and Fig. 8, each corresponding each first accepting hole 141A setting of the groove 143 is described Groove 143 is recessed from second face 12 towards first face 11 and is formed, and the groove 143 does not extend upward through first face 11, the groove 143 is respectively communicated with the holding tank 142 and the corresponding first accepting hole 141A.

As shown in Figure 6 and Figure 7, each groove 143 includes interconnected one first groove 143A and one second recessed Slot 143B, the first groove 143A are connected to the holding tank 142, and the second groove 143B is connected to first accepting hole 141A, and along the longitudinally X, the size of the first groove 143A is greater than the size of the second groove 143B.

As shown in Fig. 1, Fig. 5 and Fig. 8, each fixing groove 144 is from its corresponding described holding tank 142 towards described 11 further recess formation on one side, the fixing groove 144 do not extend upward through first face 11 and not outward through corresponding The side wall 14.Certainly in other embodiments, each side wall 14 can also be provided only with the fixing groove 144.

As shown in Figure 1, Figure 2 and Figure 4, the terminal 2 is that metal material is made and is assembled in the accepting hole 141 upwards In, multiple terminals 2 are arranged at two rows and are respectively arranged on two side walls 14, and the terminal 2 for being located at same row is right The accepting hole 141 positioned at same row should be contained in.The terminal 2 of each row includes multiple ground terminal 2A and multiple letters Number terminal 2B, signal terminal 2B described in two of them are used for transmission difference letter between the two neighboring ground terminal 2A Number, multiple ground terminal 2A are corresponding to be contained in multiple first accepting hole 141A, and multiple signal terminal 2B are corresponding It is contained in multiple second accepting hole 141B.Certainly in other embodiments, the terminal 2 of each row can also only have One signal terminal 2B, the signal terminal 2B are used for transmission single-ended between the two neighboring ground terminal 2A Signal.

As shown in Figure 1, Figure 4 and Figure 5, each terminal 2 includes in a base portion 21 of vertical plate-like, from the base portion 21 Upper end be folded upward at the contact portion 22 extended to form and bend downward one extended to form from the lower end of the base portion 21 Junction 23, the base portion 21 are fixed on the accepting hole 141, and the contact portion 22 is revealed in the slot 13, are used for and institute It states abutment element 200 to connect, the junction 23 exposes downwards the bottom of the ontology 1, for leading with the electronic component 300 It connects.

As shown in Figure 1, Figure 2 and Figure 4, the plate edge of the opposite sides of each base portion 21 protrudes out to form a protrusion respectively 211 and recess forms a notch 212 respectively, the notch 212 is located under the protrusion 211 of described 21 the same side of base portion It is connected just and with the protrusion 211, the protrusion 211 and 141 secure fit of accepting hole are set to the same side wall 14 The two neighboring terminal 2, the protrusion 211 of one of them terminal 2 corresponded to along the longitudinally X it is another The notch 212 of a terminal 2.

As shown in Figure 1, Figure 4 and Figure 5, one earthing member 3 of the corresponding receiving of each side wall 14, the earthing member 3 Only correspond to the first slot 13A setting in the transverse direction Y, the earthing member 3 is that metal material is made and upward group Dress is fixed in the corresponding side wall 14.Certainly in other embodiments, the earthing member 3 can also be only with one and right One of them described side wall 14 should be contained in.

As shown in figures 1 and 3, each earthing member 3 includes in a main part 31 of two vertical plates shape, from the main body The middle part in portion 31 bends inwards the multiple grounding parts 32 extended to form and to be extended vertically upwards from the upper end of the main part 31 The multiple fixed parts 33 formed.

As shown in Fig. 4, Fig. 5 and Fig. 8, the main part 31 is contained in the holding tank 142, the lower end of the main part 31 Positioned at the top in second face 12.

As shown in figures 1 and 3, each main part 31 is equipped with multiple through-holes 311 in closed and is located at every phase A separating part 312 between adjacent two through-holes 311.Each through-hole 311 have 2 first opposite lateral margins 3111 with And 2 second lateral margins 3112 of connection 2 first lateral margin 3111, first lateral margin 3111 extend along the longitudinally X, Second lateral margin 3112 extends along the vertical direction Z, and the second lateral margin 3112 described in wherein at least one is towards the ground connection Terminal 2A is bent to form the grounding parts 32, in the present embodiment, each second lateral margin of one of them through-hole 311 3112 are bent to form the grounding parts 32, the opposite sides point of some of separating parts 312 towards the ground terminal 2A The grounding parts 32 are not bent to form towards the ground terminal 2A, the only side of other separating parts 312 is described in Ground terminal 2A is bent to form the grounding parts 32.Certainly in other embodiments, each earthing member 3 can also be wherein Each second lateral margin 3112 of multiple through-holes 311 is bent to form the grounding parts 32 or each ground connection Part 3 only can also be bent to form the grounding parts 32 in the opposite sides of wherein one separating part 312.

As shown in Fig. 4, Fig. 5 and Fig. 7, the grounding parts 32 are contained in the groove 143, and the plate face of the grounding parts 32 is hung down Directly in first face 11, the grounding parts 32 contact the base portion 21 of the ground terminal 2A and form one between the two and connect Region S is touched, the contact area S of a portion is relative to the notch 212 closer to first face 11.

As shown in Fig. 3, Fig. 5 and Fig. 7, each grounding parts 32 include that bending extends to form from second lateral margin 3112 An extension 321 and the abutting part 322 that extends from the extension 321 towards the ground terminal 2A, the extension Portion 321 is contained in the first groove 143A, and the abutting part 322 is contained in the second groove 143B, and the abutting part The plate edge of 322 free terminal contacts the plate face of the base portion 21 of the ground terminal 2A.

As shown in figures 4 and 9, the fixed part 33 is fixed on the fixing groove 144, and the earthing member 3 is fixed on The corresponding side wall 14.As shown in figures 1 and 3, each main part 31 is corresponding to each institute along the vertical direction Z It states fixed part 33 and is correspondingly provided with the through-hole 311.Certainly in other embodiments, each earthing member 3 can also be only With a fixed part 33.

It as shown in Figure 10 to Figure 12, is the electric connector 100 of second embodiment of the invention, with first in the embodiment attached drawing The identical structure of label in embodiment, the present embodiment do not remake repeated description, and the electric connector 100 of itself and first embodiment Difference essentially consist in, in the present embodiment: the main part 31 is not provided with the through-hole；The abutting part 322 is from institute The upper end for stating main part 31, which is upwardly and inwardly bent, to be extended to form, thus the grounding parts 32 and the fixed part 33 from described in The upper end of main part 31 is extended to form towards first face 11, simplifies the processing of the grounding parts 32 and the fixed part 33 Technique；The plate face of the grounding parts 32 contacts the plate face of the base portion 21 of the ground terminal 2A, to form the contact Region S, and the entire contact area S relative to the notch 212 closer to first face 11.

In conclusion electric connector of the present invention have it is following the utility model has the advantages that

(1) holding tank 142 is recessed from second face 12 towards first face 11 with the groove 143 forms, and The holding tank 142 does not run through the corresponding side wall 14 outward, and the main part 31 of the earthing member 3 is contained in institute Holding tank 142 is stated, the grounding parts 32 of the earthing member 3 are contained in the groove 143 and the contact ground terminal 2A, make It obtains the earthing member 3 and ground terminal 2A to be electrically connected with each other together, reduces the signal terminal 2B and carrying out height The resonance that fast signal generates when transmitting, improves the quality of the high speed transmission of signals of the electric connector 100, and the ground connection Part 3 is set in the side wall 14, not will increase the volume of the electric connector 100, is conducive to the electric connector 100 towards small-sized Change development.

(2) base portion 21 is in vertical plate-like and perpendicular to first face 11, the plate faces of the grounding parts 32 perpendicular to First face 11, the plate edge of the free terminal of the grounding parts 32 contact the plate of the base portion 21 of the ground terminal 2A Face, not only simplifies the structure of the grounding parts 32, to facilitate the molding grounding parts 32, and makes the grounding parts 32 Along the vertical direction Z there is enough length to contact with the ground terminal 2A.

(3) the two neighboring terminal 2 of the same side wall 14, the protrusion of one of them terminal 2 are set to 211 along the longitudinally X correspond to another terminal 2 the notch 212 be arranged, when the two neighboring terminal 2 it Between arrangement more closely when, avoid the protrusion 211 of the two neighboring terminal 2 and meanwhile squeeze and damage corresponding phase Plastic portions between adjacent two accepting holes 141, so avoid the protrusion 211 of the two neighboring terminal 2 because It contacts with each other and causes short circuit.

(4) grounding parts 32 are extended to form from the main part 31 bending, are prolonged described in the first groove 143A receiving Extending portion 321, the second groove 143B accommodate the abutting part 322, and the size of the first groove 143A is greater than described the The size of two groove 143B, therefore the first groove 143A is described with curved shape for stepping down with enough spaces Extension 321, the second groove 143B guarantee the earthing member 3 and the ground connection for positioning the abutting part 322 Steady contact between terminal 2A.

Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention, So 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, for connecting an abutment element characterized by comprising

One ontology, has one first face that is oppositely arranged and one second face, and the ontology has from described first facing towards described One slot of the recessed formation in the second face and two side walls positioned at the slot opposite sides, the slot are used for first for the docking Part plugs, and side wall described in wherein at least one is equipped with the multiple accepting holes being connected with the slot, multiple accepting hole packets Multiple first accepting holes and at least one second accepting hole are included, the side wall also has the appearance on the outside of multiple accepting holes Receive a groove of slot and corresponding each first accepting hole setting, the groove is respectively communicated with the holding tank and corresponding institute The first accepting hole is stated, the holding tank is recessed to be formed from described second facing towards first face with the groove, and described Holding tank does not run through the corresponding side wall outward；

Multiple terminals, to be connected with the abutment element comprising multiple ground terminals and at least a signal terminal, it is described to connect Ground terminal is corresponding to be contained in first accepting hole, and the signal terminal correspondence is contained in second accepting hole；

An at least earthing member, multiple ground connection that each earthing member has a main part and extends to form from the main part Portion, the main part are contained in the holding tank, and the grounding parts are contained in the groove and the contact ground terminal.

2. electric connector as described in claim 1, it is characterised in that: each terminal includes a base portion and from the base The contact portion that the one end in portion is extended to form towards first face, the base portion are fixed on the accepting hole, the contact portion The slot is revealed in for connecting with the abutment element, the plate edge of the free terminal of the grounding parts contacts the ground terminal The plate face of the base portion of son.

3. electric connector as described in claim 1, it is characterised in that: each main part is equipped with multiple through-holes, Mei Yisuo 2 second lateral margins that through-hole has opposite 2 first lateral margins and connection 2 first lateral margin are stated, wherein each through-hole At least one described second lateral margin be bent to form the grounding parts towards the ground terminal, and the plate face of the grounding parts is hung down Directly in first face.

4. electric connector as described in claim 1, it is characterised in that: each main part is equipped with an at least through-hole, each The through-hole has 2 second lateral margins of opposite 2 first lateral margins and connection 2 first lateral margin, wherein at least one institute Each second lateral margin for stating through-hole is bent to form the grounding parts towards the ground terminal.

5. electric connector as described in claim 1, it is characterised in that: each main part is equipped in the multiple logical of closed Hole and the separating part between through-hole described in each adjacent two, the opposite sides point of separating part described in wherein at least one The grounding parts are not bent to form towards the ground terminal.

6. electric connector as described in claim 1, it is characterised in that: each terminal includes a base portion and from the base The contact portion that the one end in portion is extended to form towards first face, the contact portion be revealed in the slot for it is described right Element is connect to connect, the plate edge of the opposite sides of each base portion protrude out respectively to be formed a protrusion and respectively recess formed one lack Mouthful, the protrusion and the accepting hole secure fit, set on the two neighboring terminal of the same side wall, one of institute The protrusion for stating terminal corresponds to the notch of another terminal along the direction for being parallel to first face.

7. electric connector as claimed in claim 6, it is characterised in that: the grounding parts contact the base of the ground terminal Portion forms a contact area, and the contact area is relative to the notch closer to first face.

8. electric connector as described in claim 1, it is characterised in that: the side wall is equipped with from the holding tank towards described the At least fixing groove that further recess is formed on one side, the earthing member has to be protruded out from the main part towards first face At least fixed part formed, the fixed part and the fixing groove secure fit.

9. electric connector as claimed in claim 8, it is characterised in that: each main part is along perpendicular to first face Direction on correspond to each fixed part equipped with a through-hole.

10. electric connector as claimed in claim 8, it is characterised in that: the grounding parts and the fixed part are from the master The phase the same end in body portion is extended to form towards first face.

11. electric connector as described in claim 1, it is characterised in that: the slot extends along a longitudinally, each described Grounding parts include the extension extended to form from main part bending and prolong from the extension towards the ground terminal The abutting part stretched, each groove include interconnected one first groove and one second groove, and first groove connects Leading to the holding tank and the receiving extension, second groove is connected to first accepting hole and the receiving abutting part, And along the longitudinally, the size of first groove is greater than the size of second groove.

12. electric connector as described in claim 1, it is characterised in that: the slot extends along a longitudinally, the ontology It is located in the slot with a fool proof portion, the slot is divided into one first slot and one second slot by the fool proof portion, The length of first slot is greater than the length of second slot, and the earthing member only corresponds to the first slot setting.

13. electric connector as described in claim 1, it is characterised in that: each side wall is equipped with multiple first receivings Hole and multiple second accepting holes, multiple terminals include multiple ground terminals and multiple signal terminals, more A ground terminal correspondence is contained in multiple first accepting holes, and multiple signal terminals correspondences are contained in multiple described Second accepting hole, one earthing member of each corresponding receiving of the side wall.