CN207572640U - Plug connector and electric connector for socket - Google Patents

Abstract

The utility model is the plug connector and electric connector for socket being used in conjunction with each other, plug connector includes a plug insulating body and two elastic fasteners, two elastic fasteners are set in two guide posts of plug insulating body, electric connector for socket, which includes one, has the socket insulating body of two guide channels, and two elastic fasteners are detachably fastened in two guide channel；Two guide posts and two guide channels contribute to the contraposition of two electric connectors and guide with ease of assembly；Elastic fastener in guide posts is fastened in two guide channels, is fixedly combined two electric connectors；The constructions such as guide posts and guide channel can be directly molded on the insulating body of two electric connectors, therefore are only needed to be simply provided two elastic fasteners and can be reached aforementioned effect, thereby can effectively be simplified and be constructed and reduce cost.

Description

Plug connector and electric connector for socket

Technical field

The utility model system is related to the plug connector and electric connector for socket being used in conjunction with each other, and is espespecially used to connect The plug connector of coaxial cable and the electric connector for socket for being set to circuit board.

Background technology

Plug connector and electric connector for socket are inserted for connecting different electronic components, such as one of which purposes is Electric connector connecting coaxial cable, electric connector for socket are set on circuit board, thereby make coaxial cable and circuit board electrical connection, Such structure is common in notebook computer.

And after the plug connector of the prior art is attached to electric connector for socket, electric connector for socket can penetrate a ring again The fastener of shape fastens plug connector, to guarantee firm combination；However, the plug connector and socket of existing art are electrically connected Device is connect to have the disadvantage that：

First, without any guide mechanism between plug connector and electric connector for socket, therefore plug is electrically connected When device is inserted into electric connector for socket, need careful contraposition that could smoothly be inserted into combination.

Second, after plug connector is inserted into electric connector for socket, also cyclic annular fastener is in addition stirred again to fasten, grasped Make still to have on convenience to be strengthened.

Third, cyclic annular fastener can say it is independent component relative to electric connector for socket, therefore complicated integral structure and lead Cost is caused not reduce effectively.

4th, electric connector for socket, which may use, Electromagnetic Interference (EMI, Electromagnetic Interference) and in the environment of radio frequency interference (RFI, Radio Frequency Interference), but existing skill The electric connector for socket of art prevents effect unsatisfactory for aforementioned interference.

Invention content

In view of the shortcomings that the aforementioned prior art and deficiency, the utility model provides a kind of plug connector and socket Electric connector has the mechanism that guiding is facilitated to combine, and operation when combination and separation is more convenient, and overall structure is also more Simply.

To reach above-mentioned purpose of utility model, technological means is electrically connected to design a kind of plug used by the utility model Device is connect, wherein including：

One plug insulating body, it includes have a portion of terminal and two plug engaging portions；The other position of two plugs bound fraction In the both ends of the portion of terminal, each plug engaging portion protrudes a guide posts, and it is accommodating that each plug engaging portion is recessed with one Slot, the storage tank are extended in the guide posts, and an opening is formed in the guide posts and is connected with the storage tank；

Two elastic fasteners are respectively arranged on the storage tank of the two plugs engaging portion of the plug insulating body Interior, each elastic fastener includes a fixed part, a displacement portion and a buckling parts；The fixed part is set on corresponding institute State plug engaging portion；Institute's displacing portion, which is extended by described fixed part one end and can be bent towards the fixed part, to be moved；The button Conjunction portion is extended by institute's displacing portion one end and selectively protrudes from according to the position of institute's displacing portion corresponding described lead Draw the opening of column；

Plural plug terminal is set on the portion of terminal of the plug insulating body, and described wait is wrapped in plug terminals Contain an at least signal terminal and an at least ground terminal.

To reach above-mentioned purpose of utility model, the utility model further provides for a kind of aforementioned plug electrical connection of cooperation The electric connector for socket of device, wherein including：

One socket insulating body, it includes have a socket and two socket engaging portions；The socket is recessed with a slot, The portion of terminal of the plug insulating body of the plug connector is removably inserted in the socket insulating body The slot in；The two sockets engaging portion respectively be located at the socket both ends, each socket engaging portion it is recessed There is a guide channel, the internal face of the guide channel is concavely provided with a buckling groove；Two guide posts of the plug connector It is removably arranged in respectively in the guide channel of the two sockets engaging portion, and two bullet of the plug connector The buckling parts of property fastener is detachably fastened in the buckling groove of the two sockets engaging portion；

Plural female terminal is set in the socket of the socket insulating body, and in the female terminals such as described Include an at least signal terminal and an at least ground terminal；When the plug connector is incorporated in the electric connector for socket When, it is described that plug terminals is waited female terminals to be waited to be in contact and be connected with described respectively.

The utility model the advantage is that when plug connector is inserted in electric connector for socket, can pass through plug electricity Two guide channels of two guide posts alignment socket electric connectors of connector are aligned and are guided, thereby convenient plug electric connector with The assembling of electric connector for socket；In addition, after two guide posts are inserted in two guide channels respectively, two elasticity in two guide posts fasten The buckling parts of part can be fastened on respectively in the buckling groove on two guiding trough wall surfaces, thereby plug connector is made to be electrically connected with socket Device is fixedly combined, and it is to be detached when, also merely pressing on two elastic fasteners makes its buckling parts be detached from buckling groove, can be by plug Electric connector detaches electric connector for socket upwards；Finally, aforementioned guide posts and guide channel can be directly molded on two insulation sheets On body, therefore only need two elastic fasteners simply are installed in plug insulating body and can reach the effect of aforementioned, thereby this The construction of utility model can effectively simplify and can therefore reduce cost of manufacture.

Furthermore, the plug connector, wherein in the plug connector, in each guide posts Opening system positioned at the guide posts horizontal one side.

Furthermore, the plug connector, wherein the opening system in each guide posts is located at the guiding The side lateral out of column, the buckling parts system of each elastic fastener towards lateral outer side protrude from the institute of displacing portion State bottom end.

Furthermore, the plug connector, wherein recessed on each plug engaging portion be formed with a notch, The notch is connected with the storage tank；Each elastic fastener further includes a press section, and protrusion forms in Institute's displacing portion, and protrude from outside the notch of the corresponding plug engaging portion.

Furthermore, the plug connector, wherein each plug engaging portion is recessed with a fixing groove, relatively The fixed part of the elastic fastener answered is arranged in the fixing groove, and the fixed part protrudes plural number against convex Portion, the grade are closely against the internal face of the fixing groove against protrusion.

Furthermore, the plug connector, wherein the end of each guide posts is formed with plural inclined-plane, institute Stating isoclinic face makes the outer diameter of the end of the guide posts tapered.

Furthermore, the plug connector, wherein the plug connector further includes plug gold Belong to shell, set the plug insulating body.

Furthermore, the plug connector, wherein：The plug metal shell includes outside one first metal Shell and one second metal shell；The both sides of first metal shell protrude two with being respectively facing the plug insulating body One locating plate, and protrude one first locating piece on each first locating plate；The both sides of second metal shell court respectively Two second locating plates are protruded to the plug insulating body, two second locating plate fits in first metal respectively It is described outside corresponding two first locating plate of shell, and through there is one second location hole on each second locating plate Second location hole is arranged first locating piece of corresponding first locating plate.

Furthermore, the plug connector, wherein the plug insulating body is concavely provided with an at least plug Fixing slot, towards the plug insulating body, the prominent at least plug that is formed with fixes piece, institute on the plug metal shell It states an at least plug and fixes piece and wear and be fixed in an at least plug fixing slot.

Furthermore, the electric connector for socket, wherein the buckling groove system in each guide channel forms in The internal face of the lateral outer side of the guide channel.

Furthermore, the electric connector for socket wherein further including a socket metal shell, sets described insert Seat insulating body.

Furthermore, the electric connector for socket, wherein the socket metal shell insulate this towards the socket It protrudes to body and forms a shielding plate, the shielding plate is shielded in described female terminals of Denging.

Furthermore, the electric connector for socket, wherein each female terminal includes extended segment on one, a water Flat section and once extended segment, the upper extended segment are folded upward at forming in one end of the horizontal segment, and the lower extended segment is downward Bending forms in the other end of the horizontal segment；The shielding plate is shielded under the horizontal segment for waiting female terminals Side.

Furthermore, the electric connector for socket, wherein insulating on the socket metal shell towards the socket Noumenally protrusion is formed with two buckling pieces, and two buckling piece wears two guide channel into the socket insulating body respectively In, and through there is a block button hole on each buckling piece, the button of described two elastic fasteners of the plug connector Conjunction portion is detachably fastened in the block button hole of two buckling piece.

Furthermore, the electric connector for socket, wherein：Each socket engaging portion of the socket insulating body On protrude an ontology locating piece and a positioning groove；The socket metal shell includes a third metal shell and one the 4th gold medal Belong to shell；The both sides of 4th metal shell protrude one the 4th locating plate, institute with being respectively facing the socket insulating body It states two the 4th locating plates to be arranged in respectively in the locating slot of the two sockets engaging portion, and dashes forward on each 4th locating plate Go out to have one the 4th locating piece；The both sides of the third metal shell protrude a third with being respectively facing the socket insulating body Locating plate, the two thirds locating plate is fitted in respectively outside two the 4th locating plate of the 4th metal shell, and each institute It states through there is two third location holes on third locating plate, the two thirds location hole is arranged the corresponding ontology positioning respectively Block and the 4th locating piece.

Furthermore, the electric connector for socket, wherein the socket insulating body is concavely provided with an at least socket Fixing slot, towards the socket insulating body, the prominent at least socket that is formed with fixes piece, institute on the socket metal shell It states an at least socket and fixes piece and wear and be fixed in an at least socket fixing slot.

Furthermore, the electric connector for socket, wherein protrusion is formed at least one on the socket metal shell Ground strip.

Description of the drawings

Stereo appearance figure when Fig. 1 is the plug connector of the utility model and electric connector for socket combination.

Fig. 2 to Fig. 4 is the plug connector of the utility model and the element exploded view of electric connector for socket.

Fig. 5 is the stereo appearance figure of the plug connector of the utility model.

Fig. 6 is the stereo appearance figure of the electric connector for socket of the utility model.

Cut-away section action when Fig. 7 to Fig. 9 is the plug connector of the utility model and electric connector for socket separation Schematic diagram.

Symbol description

A plug connector B electric connector for socket

10 plug insulating body, 11 portion of terminal

12 plug engaging portion, 121 guide posts

122 storage tank, 123 fixing groove

124 125 notches of opening

The elastic fastener of 13 plug fixing slot 20

21 fixed parts 211 are against protrusion

22 displacement portion, 23 buckling parts

24 press section, 30 plug terminal

41 first metal shell, 411 first locating plate

412 first locating piece, 42 second metal shell

421 second locating plate, 422 second location hole

423 plugs fix piece

50 socket insulating body, 51 socket

511 slot, 52 socket engaging portion

521 guide channel, 522 buckling groove

53 ontology locating piece, 54 locating slot

55 socket fixing slot, 60 female terminal

62 horizontal segment of extended segment on 61

63 times 71 third metal shells of extended segment

711 third locating plate, 712 third location hole

713 buckling piece, 714 block button hole

The 4th metal shell of 715 shielding plate 72

The 4th locating piece of 721 the 4th locating plate 722

723 sockets fix 724 ground strip of piece.

Specific embodiment

Coordinate the preferred embodiment of schema and the utility model below, it is predetermined real to reach that the utility model is expanded on further The technological means taken with novel purpose.

Under with described " on ", " under ", " transverse direction ", "front", "rear", be for convenience of cooperation schema illustrate the utility model it Feature, and it is not the use direction to limit the utility model.

Please refer to Fig.1 and Fig. 2 shown in, the utility model includes an a plug connector A and electric connector for socket B.

It please refers to shown in Fig. 2 to Fig. 5 and Fig. 9, aforementioned plug connector A includes a plug insulating body 10, two bullets Property fastener 20, plural 30 and one plug metal shell of plug terminal.

Plug insulating body 10 includes a portion of terminal 11 and two plug engaging portions 12, and the two plugs engaging portion 12 is distinguished Positioned at the transverse ends of portion of terminal 11, the bottom end of each plug engaging portion 12 has been downwardly projected a guide posts 121, in the present embodiment In, guide posts 121 are rectangular cylinder, and there are four inclined-planes so that the outer radial of the bottom end of the guide posts 121 for formation on bottom end Under it is tapered, thereby conveniently reach the function of guiding；But the shape of guide posts 121 is not limited, such as bottom end can be hemispherical.

The top of each plug engaging portion 12 is recessed with downwards a storage tank 122 and a fixing groove 123 (as shown in Figure 9), holds It puts slot 122 to extend in guide posts 121, and an opening 124 is formed in guide posts 121 and is connected with storage tank 122；In this reality It applies in example, 124 system of opening in guide posts 121 is located on the horizontal one side of guide posts 121, and is furthermore located at On the side lateral out of guide posts 121, but not limited to this, and opening 124 may also be at front and back sides or the guiding of guide posts 121 The bottom end of column 121；Fixing groove 123 is located at the laterally inboard of storage tank 122 in the present embodiment.

Two elastic fasteners 20 are respectively arranged in the storage tank 122 of two plug engaging portions 12 of plug insulating body 10, respectively Elastic fastener 20 includes a fixed part 21, a displacement portion 22, a buckling parts 23 and a press section 24；Fixed part 21 is set on phase On corresponding plug engaging portion 12, and be arranged in fixing groove 123 in the present embodiment, and fixed part 21 it is laterally projecting have it is multiple For number against protrusion 211, the grade is closely against the internal face of fixing groove 123 against protrusion 211, so that fixed part 21 is able to firm set It is placed on plug engaging portion 12, but not limited to this, and fixed part 21 can be also set on plug engaging portion 12 with other modes；

The top of displacement portion 22 is connected with the top of fixed part 21, and displacement portion 22 can be bent towards the fixed part 21 It is mobile；Buckling parts 23 flatly protrudes from the bottom end of displacement portion 22, and selectively dashes forward according to the position of institute's displacing portion 22 For the opening 124 of corresponding guide posts 121；In the present embodiment, 23 system of buckling parts towards lateral outer side protrudes from displacement The bottom end in portion 22, and use outside the transverse opening 124 for protruding from guide posts 121.

Lateral outer side on each plug engaging portion 12 is recessed to be formed with a notch 125, the notch 125 and storage tank 122 It is connected；Towards lateral outer side, protrusion is formed in displacement portion 22 for 24 system of press section of elastic fastener 20, and is protruded from opposite Outside the notch 125 for the plug engaging portion 12 answered, user is thereby conveniently allowed to press displacement portion 22, and then inwardly push displacement portion 22 And buckling parts 23；But in other embodiments, can also there is no press section 24, displacement portion 22 is made directly to protrude from plug engaging portion 12 It is outer that user is allowed to press.

Plural plug terminal 30 is set in the portion of terminal 11 of plug insulating body 10, and described wait includes in plug terminals 30 There are an at least signal terminal and an at least ground terminal, it is in other embodiments, described that plug terminals 30 is waited also to may include at least One power supply terminal etc. can adjust on demand.

Plug metal shell is set on plug insulating body 10, and in the present embodiment, plug metal shell includes one first 41 and 1 second metal shell 42 of metal shell, the first metal shell 41 and the second metal shell 42 are located in from front and rear two direction Plug insulating body 10；

The both lateral sides of first metal shell 41 are respectively facing 10 ground of plug insulating body and protrude two first locating plates 411, two first locating plate 411 bends the both sides up and down of the first metal shell 41 of forming respectively, on each first locating plate 411 Protrude one first locating piece 412；

The both lateral sides of second metal shell 42 are respectively facing 10 ground of plug insulating body and protrude two second locating plates 421, two second locating plate 421 bends the both sides up and down of the second metal shell 42 of forming, two second locating plate respectively 421 fit in respectively outside two first locating plates 411 of the same transverse sides of the first metal shell 41, and each second positioning Through there is one second location hole 422 on piece 421, the second location hole 422 is arranged the first positioning of corresponding first locating plate 411 Block 412 thereby makes two metal shells 41,42 be together with each other.

In addition, two plug fixing slots 13 are recessed with towards the one side of the second metal shell 42 on plug insulating body 10, Two plugs being formed with towards 10 ground of plug insulating body protrusion on second metal shell 42 and fixing piece 423, two plug fixes Piece 423 is worn respectively to be fastened in the two plugs fixing slot 13, thereby makes the second metal shell 42 and plug insulating body 10 It is together with each other；In other embodiments, plug fixing slot 13 and plug, which fix piece 423, can only have one or more.

It please refers to shown in Fig. 2 to Fig. 4, Fig. 6 and Fig. 9, electric connector for socket B removably ties for plug connector A It closes, electric connector for socket B includes a socket insulating body 50,60 and one socket metal shell of plural female terminal.

Socket insulating body 50 includes a socket 51 and two socket engaging portions 52；The top side of socket 51 is recessed with one Slot 511, the portion of terminal 11 of the plug insulating body 10 of plug connector A are removably inserted in the slot 511；

Two socket engaging portions 52 are located at the transverse ends of socket 51 respectively, and the top of each socket engaging portion 52 is recessed downwards There is a guide channel 521, a buckling groove 522, in the present embodiment, the button are flatly recessed on the internal face of guide channel 521 Slot 522 is closed in the leading flank of socket engaging portion 52 to being interlinked to the outside；

In the present embodiment, 522 system of buckling groove on guide channel 521 is located at the internal face of the lateral outer side of guide channel 521 On, but not limited to this, and buckling groove 522 may also be at the front and back sides of guide channel 521, only will be with the bullet of plug connector A 23 setting direction of buckling parts of property fastener 20 is corresponding；

Two guide posts 121 of plug connector A are removably arranged in the guide channel 521 of two socket engaging portions 52 respectively In, and the buckling parts 23 of the two elastic fasteners 20 of plug connector A is detachably fastened on two socket engaging portions 52 Buckling groove 522 in.

Plural female terminal 60 is set in the slot 511 of socket insulating body 50, and described wait includes in female terminals 60 There are an at least signal terminal and an at least ground terminal；In other embodiments, it is described that female terminals 60 is waited also to may include at least One power supply terminal etc. can adjust on demand；

It is described that plug terminals 30 is waited to be inserted respectively with the grade when plug connector A is incorporated on electric connector for socket B Seat terminal 60 is in contact and is connected.

Socket metal shell is set on socket insulating body 50, and in the present embodiment, socket metal shell includes a third 71 and 1 the 4th metal shell 72 of metal shell, 71 and the 4th metal shell 72 of third metal shell are inserted from front and rear two direction sandwiched Seat insulating body 50；

The side lateral out of each socket engaging portion 52 of socket insulating body 50 protrudes an ontology locating piece 53 and certain Position slot 54；

The both lateral sides of 4th metal shell 72 are respectively facing 50 ground of socket insulating body and protrude one the 4th locating plate 721, two the 4th locating plate 721 is arranged in respectively in the locating slot 54 of two socket engaging portions 52, and each 4th locating plate 721 On protrude one the 4th locating piece 722；

The both lateral sides of third metal shell 71 are respectively facing 50 ground of socket insulating body and protrude a third locating plate 711, two third locating plates 711 are fitted in respectively outside two the 4th locating plates 721 of the 4th metal shell 72, and each third locating plate Through there is two third location holes 712 on 711, the two thirds location hole 712 is arranged the ontology positioning of same transverse sides respectively 53 and the 4th locating piece 722 of block thereby makes two metal shells 71,72 be together with each other.

In addition, two socket fixing slots 55 are recessed with towards the one side of the 4th metal shell 72 on socket insulating body 50 (as shown in Figure 9) is formed with two sockets towards 50 ground of socket insulating body protrusion on the 4th metal shell 72 and fixes piece 723, institute It states two sockets and fixes piece 723 and wear respectively and be fixed in the two sockets fixing slot 55, thereby make the 4th metal shell 72 with inserting Seat insulating body 50 is together with each other；In other embodiments, socket fixing slot 55 and socket fix piece 723 and can only have It is one or more.

Furthermore it is protruded on third metal shell 71 towards 50 ground of socket insulating body and is formed with two buckling pieces 713, described two Buckling piece 713 is worn respectively into two guide channels 521 of socket insulating body 50, and through having one on each buckling piece 713 Block button hole 714, the buckling parts 23 of the two elastic fasteners 20 of plug connector A are detachably fastened on two buckling pieces In 713 block button hole 714, thereby further strengthen the combination of plug connector A and electric connector for socket B.

Also, the bottom surface of third metal shell 71 forms a shielding plate 715 towards 50 ground of socket insulating body protrusion, cover Piece 715 is shielded in the lower section for waiting female terminals 60；Specifically, each female terminal 60 includes extended segment 61, one on one Horizontal segment 62 and once extended segment 63, upper extended segment 61 are folded upward at forming in the front end of horizontal segment 62, and lower extended segment 63 is downward Bending forms in the rear end of horizontal segment 62；715 system of shielding plate is shielded in the lower section of the horizontal segment 62 for waiting female terminals 60, by To achieve the purpose that prevent Electromagnetic Interference (EMI) and radio frequency interference (RFI).

In addition, the top side of the 4th metal shell 72, which protrudes, is formed with three ground strips 724 (as shown in Fig. 4 and Fig. 6), it is described etc. Ground strip 724 can be used to contact circuit board or substrate to achieve the effect that ground connection, and in actual use, can optionally and determine be It is no to bend to be connected with circuit board or substrate；In other embodiments, the quantity of ground strip 724 also can be only a piece of.

It please refers to shown in Fig. 7 to Fig. 9, in use, when plug connector A is inserted in electric connector for socket B, can pass through Two guide channels 521 of two guide posts, the 121 alignment socket electric connector B of plug connector A are aligned and are guided, and are thereby facilitated The assembling of plug connector A and electric connector for socket B；

In addition, after two guide posts 121 are inserted in two guide channel 521 respectively, two elastic fasteners in two guide posts 121 20 buckling parts 23 can be fastened on respectively in the buckling groove 522 on two guide channels, 521 wall surface, thereby make plug connector A with Electric connector for socket B is fixedly combined；And when to be detached, the press section 24 of two elastic fasteners 20 is also merely pressed on, makes fastening Portion 23 is detached from buckling groove 522, can plug connector A be detached electric connector for socket B upwards；

Finally, aforementioned guide posts 121 and 521 grade of guide channel construction, can be directly molded on two insulating bodies 10,50 On, therefore only need two elastic fasteners 20 simply are installed in plug insulating body 10 and can reach the effect of aforementioned, thereby The construction of the utility model can effectively simplify and can therefore reduce cost of manufacture.

In addition, when the utility model is used, plug connector A systems are to connecting coaxial cable, and electric connector for socket B System is specifically useful for being used as Type-C or other kinds of electricity in notebook computer to connect circuit board or substrate Connector；And in the present embodiment, the plug terminal 30 of plug connector A and the female terminal 60 of electric connector for socket B it Definition of pin position table is as follows：

Wherein the terminal of number 4 to 7 and 24 to 27 can be adjusted to other signals or purposes on demand, and number 8 to 23 Terminal be substantially separated out five groups of signal terminals through six ground terminals, and wherein number 9,10,12,13,18, 19th, 21,22 four groups of terminals are high-speed signal terminal, and four groups of terminals of number 15,16 are low speed signal terminal；But this practicality Novel terminal is not limited with above-mentioned.

The above is only the preferred embodiment of the utility model, and not the utility model is done in any form Limitation although the utility model has been disclosed with preferred embodiment as above, is not limited to the utility model, any affiliated Has usually intellectual in technical field, in the range of technical solutions of the utility model are not departed from, when using the disclosure above Technology contents make a little change or be modified to the equivalent embodiments of equivalent variations, as long as being without departing from the utility model technology The content of scheme, according to the technical essence of the utility model to above example made it is any it is simple modification, equivalent variations with Modification, in the range of still falling within technical solutions of the utility model.

Claims (18)

1. a kind of plug connector, it is characterised in that：

One plug insulating body, it includes have a portion of terminal and two plug engaging portions；The two plugs bound fraction Wei Yu not institute The both ends of portion of terminal are stated, each plug engaging portion protrudes a guide posts, and each plug engaging portion is recessed with a storage tank, institute It states storage tank to extend in the guide posts, and an opening is formed in the guide posts and is connected with the storage tank；

Two elastic fasteners, are respectively arranged in the storage tank of the two plugs engaging portion of the plug insulating body, Each elastic fastener includes a fixed part, a displacement portion and a buckling parts；The fixed part is set on corresponding described Plug engaging portion；Institute's displacing portion, which is extended by described fixed part one end and can be bent towards the fixed part, to be moved；The fastening Portion is extended by institute's displacing portion one end and selectively protrudes from the corresponding guiding according to the position of institute's displacing portion The opening of column；

Plural plug terminal, is set on the portion of terminal of the plug insulating body, and includes in each plug terminal An at least signal terminal and at least a ground terminal.

2. plug connector as described in claim 1, it is characterised in that：In the plug connector, each guiding Opening system on column is located at the horizontal one side of the guide posts.

3. plug connector as claimed in claim 2, it is characterised in that：Opening system in each guide posts is located at described The side lateral out of guide posts, the buckling parts system of each elastic fastener towards lateral outer side protrude from displacing portion The bottom end.

4. plug connector as claimed any one in claims 1 to 3, it is characterised in that：On each plug engaging portion Recessed to be formed with a notch, the notch is connected with the storage tank；Each elastic fastener further include one by Splenium, protrusion form in institute's displacing portion, and protrude from outside the notch of the corresponding plug engaging portion.

5. plug connector as claimed any one in claims 1 to 3, it is characterised in that：Each plug engaging portion is recessed Equipped with a fixing groove, the fixed part of the corresponding elastic fastener is arranged in the fixing groove, and the fixation Portion protrudes plural number against protrusion, each internal face for being closely against the fixing groove against protrusion.

6. plug connector as claimed any one in claims 1 to 3, it is characterised in that：The end of each guide posts Plural inclined-plane is formed with, each inclined-plane makes the outer diameter of the end of the guide posts tapered.

7. plug connector as claimed any one in claims 1 to 3, it is characterised in that：The plug connector into One step includes a plug metal shell, sets the plug insulating body.

8. plug connector as claimed in claim 7, it is characterised in that：

The plug metal shell includes one first metal shell and one second metal shell；

The both sides of first metal shell protrude two first locating plates, and each institute with being respectively facing the plug insulating body It states and one first locating piece is protruded on the first locating plate；

The both sides of second metal shell protrude two second locating plates with being respectively facing the plug insulating body, and described two Second locating plate is fitted in respectively outside corresponding two first locating plate of first metal shell, and each described second Through there is one second location hole on locating plate, second location hole is arranged described the first of corresponding first locating plate Locating piece.

9. plug connector as claimed in claim 7, it is characterised in that：The plug insulating body is concavely provided at least one Plug fixing slot, it is prominent towards the plug insulating body on the plug metal shell to be formed with the fixing of an at least plug Piece, an at least plug, which fixes piece and wears, to be fixed in an at least plug fixing slot.

10. a kind of electric connector for socket for coordinating plug connector as claimed in any one of claims 1-9 wherein, feature It is：

One socket insulating body, it includes have a socket and two socket engaging portions；The socket is recessed with a slot, described The portion of terminal of the plug insulating body of plug connector is removably inserted in the institute of the socket insulating body It states in slot；The two sockets engaging portion is located at the both ends of the socket respectively, and each socket engaging portion is recessed with one Guide channel, the internal face of the guide channel are concavely provided with a buckling groove；Two guide posts difference of the plug connector It is removably arranged in the guide channel of the two sockets engaging portion, and two elastic buckles of the plug connector The buckling parts of component is detachably fastened in the buckling groove of the two sockets engaging portion；

Plural female terminal is set in the socket of the socket insulating body, and is included in each female terminal There are an at least signal terminal and an at least ground terminal；When the plug connector is incorporated in the electric connector for socket, Each plug terminal is in contact and is connected with each female terminal respectively.

11. electric connector for socket as claimed in claim 10, it is characterised in that：The buckling groove system in each guide channel Form in the internal face of the lateral outer side of the guide channel.

12. the electric connector for socket as described in claim 10 or 11, it is characterised in that：It further includes outside a socket metal Shell sets the socket insulating body.

13. electric connector for socket as claimed in claim 12, it is characterised in that：The socket metal shell is towards the socket It protrudes to insulating body and forms a shielding plate, the shielding plate is shielded in each female terminal.

14. electric connector for socket as claimed in claim 13, it is characterised in that：Each female terminal includes to be extended on one Section, a horizontal segment and once extended segment, the upper extended segment are folded upward at forming in one end of the horizontal segment, the lower extension Section bends downward the other end for forming in the horizontal segment；The shielding plate is shielded in the horizontal segment of each female terminal Lower section.

15. electric connector for socket as claimed in claim 12, it is characterised in that：It is inserted on the socket metal shell towards described It protrudes to seat insulating body and is formed with two buckling pieces, two buckling piece wears described two into the socket insulating body respectively In guide channel, and through there is a block button hole on each buckling piece, described two elastic fasteners of the plug connector The buckling parts is detachably fastened in the block button hole of two buckling piece.

16. electric connector for socket as claimed in claim 12, it is characterised in that：

An ontology locating piece and a positioning groove are protruded on each socket engaging portion of the socket insulating body；

The socket metal shell includes a third metal shell and one the 4th metal shell；

The both sides of 4th metal shell protrude one the 4th locating plate with being respectively facing the socket insulating body, and described two 4th locating plate is arranged in respectively in the locating slot of the two sockets engaging portion, and is protruded on each 4th locating plate One the 4th locating piece；

The both sides of the third metal shell protrude a third locating plate with being respectively facing the socket insulating body, and described two Third locating plate is fitted in respectively outside two the 4th locating plate of the 4th metal shell, and on each third locating plate Through there is two third location holes, the two thirds location hole is arranged the corresponding ontology locating piece and the 4th positioning respectively Block.

17. electric connector for socket as claimed in claim 12, it is characterised in that：The socket insulating body is concavely provided at least One socket fixing slot, it is prominent towards the socket insulating body on the socket metal shell to be formed with the fixing of an at least socket Piece, an at least socket, which fixes piece and wears, to be fixed in an at least socket fixing slot.

18. electric connector for socket as claimed in claim 12, it is characterised in that：Protrusion is formed on the socket metal shell An at least ground strip.