CN207052872U - Electric connector - Google Patents

Abstract

The utility model discloses a kind of electric connector, including electric connector main body, the electric connector main body has terminal module and the insulation filling body being integrated with the Terminals Die composing type；The terminal module includes upper terminal module, lower terminal module and middle ground plate, the upper terminal module has upper row's conducting terminal and the upper insulation filling body being molded as one with upper row's conducting terminal, the lower terminal module has lower row's conducting terminal and the lower insulation filling body being molded as one with lower row's conducting terminal, the middle ground plate positioning is inlaid between the upper insulation filling body and lower insulation filling body, so that the upper terminal module, lower terminal module and middle ground plate are fixed into an overall structure, and the upper insulation filling body, the inner flow passage of insulator filling flow when lower insulation filling body and middle ground plate are also encircled into one for plastic rubber shaping jointly, so that obtained electric connector has product specious, the characteristics such as high frequency signal transmission excellent performance.

Description

Electric connector

Technical field

Connector technique field is the utility model is related to, a kind of electricity with excellent high frequency signal transmission performance is specifically provided Connector.

Background technology

With the rapid development of the communication technology, the speed of signal transmission is also increasingly faster, and connector high frequency performance is wanted Seek also more and more higher.The USB3.1 Type-C connectors of a new generation are newest USBs, and it has the characteristics that：A), its Upper and lower row is used respectively for 12 conducting terminals, data transmission bauds is fast, can be promoted to speed 20Gbps, even 40Gbps； B), the size at Type-C interface sockets end is about the slim designs of 8.3mm × 2.5mm；C), support what be can be inserted into from tow sides " positive anti-plug " function, can bear 10,000 times and plug repeatedly；D), the standard specification connecting line for being equipped with Type-C connectors can pass through 3A Electric current, while also support " USB PD ", maximum 100w electric power can be provided beyond existing USB power supply capacities.

However, because conducting terminal is in elongate shape, and in order to ensure the slimming of electric connector, in electric connector Insulation filling body thickness is generally smaller, is so easy for the out-of-flatness of two rows conducting terminal, the leading section of conducting terminal occur The defects of curved under appearance, so as to cause electric connector product quality bad, influence plug and use.In addition, existing USB3.1 Electromagnetic interference (EMI) in Type-C connectors between two rows conducting terminal is extremely strong, so as to influence the high frequency performance of product, The high-speed transfer demand of connector is not well positioned to meet.

In view of this, it is special to propose the utility model.

The content of the invention

In order to overcome drawbacks described above, the utility model provides a kind of electric connector, and it has, and product is specious, high frequency The characteristics such as signal transmission performance is excellent.

The utility model in order to solve its technical problem used by technical scheme be：A kind of electric connector, including be electrically connected Device main body is connect, the electric connector main body has terminal module and the insulation filling body being integrated with the Terminals Die composing type； The terminal module includes upper terminal module, lower terminal module and middle ground plate, wherein, the upper terminal module has upper row There is lower row to lead for conducting terminal and the upper insulation filling body being molded as one with upper row's conducting terminal, the lower terminal module Electric terminal and the lower insulation filling body being molded as one with lower row's conducting terminal, the middle ground plate positioning are inlaid in institute State between insulation filling body and lower insulation filling body so that the upper terminal module, lower terminal module and middle ground plate are consolidated It is linked to be an overall structure, and the upper insulation filling body, lower insulation filling body and middle ground plate are also encircled into one for modeling jointly The inner flow passage of insulator filling flow during gum forming.

As further improvement of the utility model, realize that the middle ground plate positioning is inlaid in the upper insulation filling Structure between body and lower insulation filling body is：The upper insulation filling body has upper base portion A, and the upper base portion A is described in The first locating dowel has been wholely set on the lower surface of middle ground plate, and the first distribution and are further opened with the upper base portion A One resigning hole；The lower insulation filling body has a lower base portion A, and the lower base portion A is towards on the upper surface of the middle ground plate The second locating dowel and the 3rd locating dowel have been wholely set, and the second resigning hole is further opened with the lower base portion A；In described indirectly Floor has earth plate body, and the first perforation, the second perforation and the 3rd perforation are further opened with the earth plate body；

Wherein, first locating dowel is fed through first perforation, and is closely inserted in second resigning hole；Institute State the second locating dowel and be fed through second perforation, and be closely inserted in first resigning hole；3rd locating dowel is worn If crossing the 3rd perforation, and closely it is inserted in first distribution.

As further improvement of the utility model, realize the upper insulation filling body, lower insulation filling body and in indirectly The structure of the inner flow passage of insulator filling flow is when floor is also encircled into one for plastic rubber shaping jointly：The upper base portion A directions One has also been wholely set on the lower surface of the middle ground plate along the longitudinal direction to extend and extend to the upper base portion A front ends The first circulation groove at edge, the lower base portion A is towards being also wholely set one on the upper surface of the middle ground plate along front and rear The second circulation groove that direction extends and extended at the lower base portion A front-end edges, also offer between two parties on the earth plate body One opening extended along the longitudinal direction；And first circulation groove, opening and the corresponding cooperation of the second circulation groove, and jointly It is encircled into the inner flow passage.

As further improvement of the utility model, also include shielding construction, the shielding construction has shielding board component And Metal shielding shell, removably positioning sleeve is outside the electric connector main body for the shielding board component, the metal screen Cover shell positioning sleeve located at it is described shielding board component and the electric connector main body outside, and it is described shielding board component also respectively with institute State middle ground plate and Metal shielding shell contact and turn on, the Metal shielding shell is also grounded.

As further improvement of the utility model, the shielding board component has one to be buckled in the electric connector main body Upper barricade and one on upper surface are buckled in the lower barricade on the electric connector body lower surface, the upper barricade with The mutual snapping of lower barricade is fixed, and the upper barricade is also contacted and turned on the middle ground plate simultaneously.

As further improvement of the utility model, the insulation filling body has one to correspond to the terminal module rear portion Rear insulation filling block, one correspond to the anterior preceding insulation filling block of the terminal module and one be connected and insulated after described Be connected block between filling block and preceding insulation filling block, in the rear on the upper surface of insulation filling block and close to its left and right two The opening position of side respectively offers one first holding hole respectively, is also spaced apart and is provided with the lower surface of insulation filling block in the rear Two the second holding holes；

Realize that the structure that the upper barricade is buckled on the upper surface of the electric connector main body is：The upper barricade Upper base portion B with a long strip-board shape, two the first buttons for extending formation down from the left and right ends of the upper base portion B respectively Arm, one from the back side edge of the upper base portion B upward and extend backwards formation the first holding parts and two respectively from described The left and right ends of one holding parts extend the first fixing arm of formation down, wherein, the upper base portion B is together with two first buttons Arm is ridden upon on upper surface and the left and right sides wall of the terminal module together, and the first holding parts covering is insulated in the rear On the upper surface of filling block and forward upper, and two the first fixing arms also correspond to and are buckled in two first holding holes In；

Realize that the structure that the lower barricade is buckled on the lower surface of the electric connector main body is：The lower barricade Lower base portion B with a long strip-board shape, two the second buttons for extending formation upward from the left and right ends of the lower base portion B respectively Arm, one from the back side edge of the lower base portion B extend down formation the second holding parts and two respectively from described second fixing The bending upward of the lower side in portion and the second fixing arm for extending formation, wherein, the lower base portion B is together with two second buckle arms Ride upon together on lower surface and the left and right sides wall of the terminal module, and two second buckle arms also correspond to respectively simultaneously Fixed positioned at the outside of two first buckle arms, and with two mutual snappings of the first buckle arm, second holding parts support It is connected on the lower front of the rear insulation filling block, and two the second fixing arms also correspond to and are buckled in two described second In holding hole；

Realize that two second buckle arms correspond to the structure fixed with two mutual snappings of the first buckle arm and are respectively： A grab hole is respectively offered respectively in each second buckle arm, it is each solid respectively also on the outer surface of each first buckle arm Provided with one first grab, two first grabs are correspondingly buckled in two grab holes；

Realize that the upper barricade is with the structure that the middle ground plate is contacted and turned on：When two second buckle arms Correspond to respectively when being fixed with the mutual snappings of two first buckle arms, the inner surfaces of two first buckle arms respectively with it is described in The left and right sides on indirect floor are in contact and turned on.

As further improvement of the utility model, the Metal shielding shell includes main casing and upper crimp housing, institute Main casing positioning sleeve is stated outside the shielding board component and the electric connector main body, the upper crimp housing snapping is fixed on The top of the main casing；

The upper barricade and lower barricade also contact conducting with the inner surface of the main casing respectively, the main casing and Upper crimp housing is also each grounded.

As further improvement of the utility model, realize the main casing positioning sleeve located at the shielding board component and institute The structure stated outside electric connector main body is：In the rear on the lower surface of insulation filling block and close to the position of its left and right sides The place of putting is each to offer one the 3rd holding hole respectively, is also respectively installed with one respectively on the left and right sides wall of insulation filling block in the rear First clamping block of arc shape；The main casing have one be the first matrix that ducted body and front and rear sides are open and from The rear openings of first matrix extend U-shaped second matrix of formation backwards, wherein, the front openings of first matrix As one be available for cable end joint insert interface, the front end of upper row's conducting terminal, the front end of lower row's conducting terminal, with And preceding insulation filling block is all in the interface, the notch of U-shaped second matrix down, the matrix of U types second It is also relative formed with a pair of second grabs and a pair of second clamping blocks on the wall of the left and right sides, and this is correspondingly connected in the second grab In two the 3rd holding holes, and the two first clamping block mutual clampings corresponding to the second clamping block；

The structure for realizing the top that the upper crimp housing snapping is fixed on the main casing is：A left side for first matrix It is also each on right two side to be fixedly installed one the 3rd grab respectively；The upper crimp housing have a flat substrate, two Extend the clip side and one of formation down from the back side edge of the substrate towards downward from the left and right sides of the substrate respectively Stretch to be formed keep out side, wherein, the substrate is covered on the upper surface of the main casing, is respectively distinguished on two clip sides A hole clipping being engaged with the 3rd grab is offered, and then two clip sides are corresponded to and the main casing respectively Snapping is fixed, in addition, the side of keeping out also is connected on the rear side of the electric connector main body.

A pair of contact blocks are also arranged at intervals with inner surface on the upside of the main casing, this to contact block respectively with it is described on The first holding parts contact conducting of barricade；

The lower barricade also has a contact plate for extending formation backwards from the lower side of second holding parts, institute The rear contact that contact plate is stated with first matrix turns on.

The beneficial effects of the utility model are：Compared to prior art, electric connector described in the utility model have with Lower advantage：1. the upper terminal module, middle ground plate and lower terminal module are used the structures such as first, second and third locating dowel and are connected Integral structure, upper and lower row's conducting terminal and middle ground plate can so be carried out effectively fixed, it is ensured that two rows are conductive The planarization of terminal；In addition, the upper insulation filling body, lower insulation filling body and middle ground plate are also encircled into one jointly supplies two The inner flow passage of insulator filling flow during secondary plastic rubber shaping, so can be by inner flow passage by each interval outside product, uncorrelated The mutual UNICOM in position, so as to reduce the filling of product surface point (Jiao Kou) quantity, it is specious to reach product, and reliability is high Purpose.2. being embedded with a middle ground plate by being positioned between upper terminal module and lower terminal module, separately it is arranged positioning Contact and turn on the middle ground plate and Metal shielding shell respectively in the shielding board component outside electric connector main body, can The electromagnetic interference between upper terminal module and lower terminal module is effectively shielded, effectively lifts the shielding of electric connector product Can, the high frequency signal transmission performance of guarantee electric connector product.3. upper barricade and lower barricade use snapping fixed form, and Using the snapping fixed form makes barricade keep contacting conducting with middle ground plate, without by welding, mechanically connecting Mode connects conducting to realize, processing procedure is simple and fix stably is lasting.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram that electric connector described in the utility model is under a visual angle；

Fig. 2 is the dimensional structure diagram that electric connector described in the utility model is under another visual angle；

Fig. 3 is the decomposition texture schematic diagram of electric connector described in the utility model；

Fig. 4 is the decomposition texture schematic diagram of electric connector main body described in the utility model；

Fig. 5 is the decomposition texture schematic diagram of terminal module described in the utility model；

Fig. 6 is the decomposition texture schematic diagram of upper terminal module described in the utility model；

Fig. 7 is the decomposition texture schematic diagram of lower terminal module described in the utility model；

Fig. 8 is the dimensional structure diagram that insulation filling body described in the utility model is under a visual angle；

Fig. 9 is the dimensional structure diagram that insulation filling body described in the utility model is under another visual angle；

Figure 10 is the dimensional structure diagram that upper barricade described in the utility model is under a visual angle；

Figure 11 is the dimensional structure diagram that upper barricade described in the utility model is under another visual angle；

Figure 12 is the dimensional structure diagram that lower barricade described in the utility model is under a visual angle；

Figure 13 is the dimensional structure diagram that lower barricade described in the utility model is under another visual angle；

Figure 14 is the dimensional structure diagram that main casing described in the utility model is under a visual angle；

Figure 15 is the dimensional structure diagram that main casing described in the utility model is under another visual angle；

Figure 16 is the dimensional structure diagram that upper crimp housing described in the utility model is under a visual angle；

Figure 17 is the dimensional structure diagram that upper crimp housing described in the utility model is under another visual angle；

When Figure 18 is that electric connector main body described in the utility model is assembled together with shielding board component, cuing open under a visual angle Face structural representation；

When Figure 19 is that electric connector main body described in the utility model is assembled together with shielding board component, under another visual angle Cross-sectional view；

Figure 20 is the cross-sectional view that electric connector main body described in the utility model is under a visual angle；

Figure 21 is the cross-sectional view that electric connector main body described in the utility model is under another visual angle；

Figure 22 is the cross-sectional view that terminal module described in the utility model is under the first visual angle；

Figure 23 is the cross-sectional view that terminal module described in the utility model is under the second visual angle；

Figure 24 is the cross-sectional view that terminal module described in the utility model is under the 3rd visual angle；

Figure 25 is the cross-sectional view that terminal module described in the utility model is under the 4th visual angle.

With reference to accompanying drawing, make the following instructions：

1 --- electric connector main body 10 --- terminal module

11 --- insulation filling body 100 --- upper terminal modules

101 --- lower terminal module 102 --- middle ground plates

103 --- inner flow passages 1000 --- above arrange conducting terminal

1001 --- upper insulation filling body 1010 --- lower row's conducting terminals

The upper base portion A of 1011 --- lower insulation filling bodies 10010 ---

10011 --- the first locating dowel 10012 --- first distribution

10013 --- the first resigning hole 10014 --- first circulation grooves

10110 --- lower base portion A 10111 --- second locating dowels

10112 --- the 3rd locating dowel 10113 --- second resigning holes

10114 --- the second circulation groove 1020 --- earth plate bodies

1021 --- the first perforation 1022 --- second perforation

1023 --- the 3rd perforation 1024 --- openings

110 --- rear insulation filling block 111 --- preceding insulation filling blocks

112 --- linking block 1100 --- first holding holes

1101 --- the second holding hole 1102 --- the 3rd holding holes

The upper barricade of 1103 --- the first clamping blocks 2 ---

20 --- upper base portion B 21 --- first buckle arms

22 --- the first holding parts 23 --- first hold arm

210 --- the first grab 3 --- lower barricades

30 --- lower base portion B 31 --- second buckle arms

32 --- the second holding parts 33 --- second hold arm

34 --- contact plate 310 --- grab holes

4 --- main casing 40 --- first matrixes

41 --- U-shaped second matrix 42 --- second grabs

43 --- the second clamping block 44 --- the 3rd grabs

The upper crimp housing of 45 --- contact blocks 5 ---

50 --- substrate 51 --- clip sides

52 --- keeping out side 53 --- hole clippings

Embodiment

Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.

Embodiment 1：

Present embodiment discloses a kind of electric connector, including electric connector main body 1, the electric connector main body 1 has end Submodule group 10 and the insulation filling body 11 being molded as one with the terminal module 10；The terminal module 10 includes upper end submodule Group 100, lower terminal module 101 and middle ground plate 102, wherein, the upper terminal module 100 has upper row's conducting terminal 1000 and the upper insulation filling body 1001 that is molded as one with upper row's conducting terminal 1000, the lower terminal module 101 have There are lower row's conducting terminal 1010 and the lower insulation filling body 1011 being molded as one with lower row's conducting terminal 1010, in described The indirect positioning of floor 102 is inlaid between the upper insulation filling body 1001 and lower insulation filling body 1011 so that the upper end Submodule group 100, lower terminal module 101 and middle ground plate 102 are fixed into an overall structure, and the upper insulation filling body 1001st, insulator fills when lower insulation filling body 1011 and middle ground plate 102 are also encircled into one for secondary plastic rubber shaping jointly The inner flow passage 103 of flowing.Compared to prior art, upper insulation filling body, lower insulation filling body and centre described in the present embodiment The inner flow passage of insulator filling flow when earth plate is encircled into one for secondary plastic rubber shaping jointly, it be able to will so be produced by inner flow passage Each interval, the mutual UNICOM in incoherent position outside product, so as to reduce the filling of product surface point (Jiao Kou) quantity, reach Product is specious, the high purpose of reliability.

Supplementary notes：In the prior art, generally by upper row's conducting terminal 1000 and the upper insulation filling body 1001 The work that the technique being molded as one and lower row's conducting terminal 1010 are molded as one with the lower insulation filling body 1011 Skill is respectively defined as a plastic rubber shaping technique；The terminal module 10 and the insulation filling body 11 are molded as one Technique is defined as secondary plastic rubber shaping technique.

In the present embodiment, it is preferred that realize that the positioning of middle ground plate 102 is inlaid in the upper insulation filling body Structure between 1001 and lower insulation filling body 1011 is：Refering to accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, accompanying drawing 22, accompanying drawing 23, accompanying drawing 24 Shown in accompanying drawing 25, the upper insulation filling body 1001 has a upper base portion A10010, and the upper base portion A10010 is towards in described The first locating dowel 10011 has been wholely set on the lower surface on indirect floor 102, and the is further opened with the upper base portion A10010 One distribution 10012 and the first resigning hole 10013；The lower insulation filling body 1011 has lower base portion A10110, the lower base portion A10110 is towards being wholely set the second locating dowel 10111 and the 3rd locating dowel on the upper surface of the middle ground plate 102 10112, and it is further opened with the second resigning hole 10113 on the lower base portion A10110；The middle ground plate 102 has earth plate Body 1020, and the perforation of the first perforation 1021, second perforation 1022 and the 3rd is further opened with the earth plate body 1020 1023；Wherein, first locating dowel 10011 is fed through first perforation 1021, and is closely inserted in described second and steps down In hole 10113；Second locating dowel 10111 is fed through second perforation 1022, and is closely inserted in described first and steps down In hole 10013；3rd locating dowel 10112 is fed through the 3rd perforation 1023, and is closely inserted in first distribution In 10012.Compared to prior art, upper terminal module, middle ground plate and lower terminal module described in the present embodiment use First, the structure such as two, three locating dowels is fixed into an overall structure, can so carry out upper and lower row's conducting terminal and middle ground plate It is effectively fixed, it is ensured that the planarization of two rows conducting terminal.

Preferably, realize that the upper insulation filling body 1001, lower insulation filling body 1011 and middle ground plate 102 are also common The structure of the inner flow passage 103 of insulator filling flow is when being encircled into one together for plastic rubber shaping：Refering to accompanying drawing 5, accompanying drawing 6, accompanying drawing 7th, shown in accompanying drawing 20 and accompanying drawing 21, the upper base portion A10010 is towards also integrally setting on the lower surface of the middle ground plate 102 First circulation groove 10014 for extending along the longitudinal direction and extending at the upper base portion A10010 front-end edges is equipped with, under described Base portion A10110 extends and extended towards being also wholely set one on the upper surface of the middle ground plate 102 along the longitudinal direction The second circulation groove 10114 to the lower base portion A10110 front-end edges, the length direction of upper and lower row's conducting terminal defined in it As fore-and-aft direction, an opening 1024 extended along the longitudinal direction is also offered between two parties on the earth plate body 1020；And First circulation groove 10014,1024 and second circulation groove of opening, 10114 corresponding cooperation, and be encircled into jointly in described Runner 103.

In addition, in the present embodiment, first locating dowel 10011, the first distribution 10012, the first resigning hole 10013, Second locating dowel 10111, the 3rd locating dowel 10112,1022 and of the 1021, second perforation of the second resigning hole 10113, first perforation 3rd perforation 1023 is each respectively two, and two the first locating dowels, 10011, two the first distribution 10012 and two first allow Position hole 10013 is each to be laid on the left and right sides of the upper base portion A10010 relatively respectively, two the second locating dowels 10111, two Individual 3rd locating dowel 10112 and two 10113 each left and right for being laid in the lower base portion A10110 relative respectively of the second resigning hole On both sides, two first perforation, 1021, two second perforation 1022 and two the 3rd perforation 1023 are respectively laid in institute relatively respectively On the left and right sides for stating earth plate body 1020.

In the present embodiment, the electric connector also includes shielding construction, the shielding construction have shielding board component and Metal shielding shell, removably positioning sleeve is outside the electric connector main body 1 for the shielding board component, the metallic shield Shell positioning sleeve located at it is described shielding board component and the electric connector main body 1 outside, and it is described shielding board component also respectively with institute State middle ground plate 102 and Metal shielding shell contact and turn on, the Metal shielding shell is also grounded, with described in shielding Electromagnetic interference between upper row's conducting terminal 1000 and lower row's conducting terminal 1010, effectively lift the shielding of electric connector product Can, the high frequency signal transmission performance of guarantee electric connector product.

Preferably, the shielding board component has a upper barricade being buckled on the upper surface of electric connector main body 1 2 and one are buckled in lower barricade 3 on the lower surface of electric connector main body 1, the upper barricade 2 and the lower barricade 3 Mutual snapping is fixed, and the upper barricade 2 is also contacted and turned on the middle ground plate 102 simultaneously；Specifically it see attached Shown in Fig. 3, accompanying drawing 18 and accompanying drawing 19.

It is further preferred that realize the structure that the upper barricade 2 is buckled on the upper surface of the electric connector main body 1 For：Refering to shown in accompanying drawing 8 and accompanying drawing 9, the insulation filling body 11 has one to correspond to the rear exhausted of the rear portion of terminal module 10 Edge filling block 110, one corresponds to the anterior preceding insulation filling block 111 and one of the terminal module 10 and is connected after described absolutely It is connected block 112 between edge filling block 110 and preceding insulation filling block 111, in the rear on the upper surface of insulation filling block 110 simultaneously Opening position close to its left and right sides respectively offers one first holding hole 1100 respectively, also insulation filling block in the rear It is spaced apart on 110 lower surface and is provided with two the second holding holes 1101；Refering to shown in accompanying drawing 10 and accompanying drawing 11, the upper barricade 2 have the upper base portion B20 of a long strip-board shape, two respectively from the left and right ends of the upper base portion B20 (as upper base portion B length Degree direction both ends) extend the first buckle arm 21, one of formation down and extend upward and backwards shape from the back side edge of the upper base portion B20 Into the first holding parts 22 and two extend the first solid of formation down from the left and right ends of first holding parts 22 respectively Gripping arm 23, wherein, the upper base portion B20 rides upon the upper of the terminal module 10 together with two first buckle arms 21 On surface and left and right sides wall, first holding parts 22 are covered in the rear on the upper surface and front side of insulation filling block 110 In portion, and two the first fixing arms 23 are also corresponded to and are buckled in two first holding holes 1100.

It is further preferred that realize the structure that the lower barricade 3 is buckled on the lower surface of the electric connector main body 1 For：Refering to shown in accompanying drawing 12, accompanying drawing 13 and accompanying drawing 18, the lower barricade 3 have the lower base portion B30 of a long strip-board shape, two Extend the second button of formation upward from the left and right ends of the lower base portion B30 (the length direction both ends for as descending base portion B) respectively Arm 31, one from the lower base portion B30 back side edge extend down formation the second holding parts 32 and two respectively from described The lower side bending upward of two holding parts 32 and the second fixing arm 33 for extending formation, wherein, the lower base portion B30 is together with two Second buckle arm 31 rides upon on lower surface and the left and right sides wall of the terminal module 10 together, and two described simultaneously Two buckle arms 31 are also corresponded to positioned at the outside of two first buckle arms 21 respectively, and with two 21 mutual snappings of the first buckle arm Fixed, second holding parts 32 are connected on the lower front of the rear insulation filling block 110, and two described second solid Gripping arm 33 is also corresponding to be buckled in two second holding holes 1101.

Mutually detained with two first buckle arms 21 it is further preferred that realizing that two second buckle arms 31 correspond to respectively Connecing fixed structure is：Respectively offering a grab hole 310 respectively (refers to accompanying drawing 12 and accompanying drawing in each second buckle arm 31 Shown in 13), respectively being installed with one first grab 210 respectively (refers to accompanying drawing 10 also on the outer surface of each first buckle arm 21 Shown in accompanying drawing 11), two first grabs 210 are corresponding to be buckled in two grab holes 310.

It is further preferred that realize that the upper barricade 2 is with the structure that the middle ground plate 102 is contacted and turned on： When two second buckle arms 31 correspond to respectively is fixed with two 21 mutual snappings of the first buckle arm, two first buttons The inner surface of arm 21 is in contact and turned on the left and right sides of the middle ground plate 102 respectively；Refer to shown in accompanying drawing 19. Upper barricade and lower barricade described in the present embodiment use snapping fixed form, and use the snapping fixed form and make shielding Plate and middle ground plate keep contact conducting, and without realizing that connection turns on by the mode such as welding, mechanically connecting, processing procedure is simple Single and fix stably is lasting.

Preferably, the Metal shielding shell includes main casing 4 and upper crimp housing 5, and the positioning sleeve of main casing 4 is located at Outside the shielding board component and the electric connector main body 1, the upper snapping of crimp housing 5 is fixed on the upper of the main casing 4 Side, is referred to shown in accompanying drawing 1 and accompanying drawing 2；The inner surface of the upper barricade 2 and lower barricade 3 also respectively with the main casing 4 connects Conducting is touched, the main casing 4 and upper crimp housing 5 are also each grounded.

It is further preferred that realize the positioning sleeve of main casing 4 located at the shielding board component and the electric connector master Structure outside body 1 is：Refering to shown in accompanying drawing 8 and accompanying drawing 9, in the rear on the lower surface of insulation filling block 110 and close to its The opening position of left and right sides respectively offers one the 3rd holding hole 1102 respectively, also the left and right of insulation filling block 110 in the rear Each the first clamping block 1103 for being installed with an arc shape respectively on two side；Refering to shown in accompanying drawing 14 and accompanying drawing 15, the main casing It is the first matrix 40 and the rear openings from first matrix 40 that ducted body and front and rear sides are open that body 4, which has one, Extend U-shaped second matrix 41 of formation backwards, wherein, the front openings of first matrix 40 are one to be available for cable end The interface of joint insertion, the front end (also referred to as contact site in industry) of upper row's conducting terminal 1000, lower row's conducting terminal 1010 front end and preceding insulation filling block 111 are all in the interface, the notch court of U-shaped second matrix 41 Under, it is also relative formed with a pair of second grabs 42 and a pair of second clamping blocks on the left and right sides wall of U-shaped second matrix 41 43, and this it is corresponding to the second grab 42 be connected in two the 3rd holding holes 1102, this it is corresponding to the second clamping block 43 with Two 1103 mutual clampings of the first clamping block.

It is further preferred that the structure for realizing the top that the snapping of upper crimp housing 5 is fixed on the main casing 4 is： It is also each on the left and right sides wall of first matrix 40 to be fixedly installed one the 3rd card respectively refering to shown in accompanying drawing 14 and accompanying drawing 15 Hook 44；Refering to shown in accompanying drawing 16 and accompanying drawing 17, the upper crimp housing 5 has a flat substrate 50, two respectively from institute The left and right sides for stating substrate 50 extend the clip side 51 and one of formation and extended down from the back side edge of the substrate 50 down What is formed keeps out side 52, wherein, the substrate 50 is covered on the upper surface of the main casing 4, on two clip sides 51 It is each to offer a hole clipping 53 being engaged with the 3rd grab 44 respectively, and then two clip sides 51 are corresponded to respectively Fixed with the snapping of main casing 4, in addition, it is described keep out side 52 and be also connected on the rear side of the electric connector main body 1 (refer to Shown in accompanying drawing 1 and accompanying drawing 2).

In addition, it is further preferred that also it is arranged at intervals with a pair of contact blocks 45 on the inner surface of the upside of the main casing 4 (referring to shown in accompanying drawing 14), this contacts conducting to the first holding parts 22 of the contact block 45 respectively with the upper barricade 2；It is described Lower barricade 3 also there is a contact plate 34 for extending formation backwards from the lower side of second holding parts 32 (to refer to accompanying drawing Shown in 13), the contact plate 34 turns on the rear contact of first matrix 40.

One embodiment of the present utility model is described in detail above, but the content is only of the present utility model Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope Equivalent change with improve etc., all should still belong within scope of patent protection of the present utility model.

Claims (9)

1. a kind of electric connector, including electric connector main body (1), the electric connector main body (1) have terminal module (10) and The insulation filling body (11) being molded as one with the terminal module (10)；It is characterized in that：The terminal module (10) includes Upper terminal module (100), lower terminal module (101) and middle ground plate (102), wherein, the upper terminal module (100) has Upper row's conducting terminal (1000) and the upper insulation filling body (1001) being molded as one with upper row's conducting terminal (1000), institute Lower terminal module (101) is stated with lower row's conducting terminal (1010) and is molded as one with lower row's conducting terminal (1010) Lower insulation filling body (1011), the middle ground plate (102) positioning are inlaid in the upper insulation filling body (1001) and lower exhausted Between edge obturator (1011) so that the upper terminal module (100), lower terminal module (101) and middle ground plate (102) are solid It is linked to be an overall structure, and upper insulation filling body (1001), lower insulation filling body (1011) and the middle ground plate (102) are also The inner flow passage (103) of insulator filling flow when being encircled into one jointly for plastic rubber shaping.

2. electric connector according to claim 1, it is characterised in that：Realize middle ground plate (102) the positioning setting-in Structure on described between insulation filling body (1001) and lower insulation filling body (1011) is：The upper insulation filling body (1001) there is upper base portion A (10010), the upper base portion A (10010) is towards on the lower surface of the middle ground plate (102) The first locating dowel (10011) has been wholely set, and the first distribution (10012) and are further opened with the upper base portion A (10010) One resigning hole (10013)；The lower insulation filling body (1011) has lower base portion A (10110), lower base portion A (10110) court The second locating dowel (10111) and the 3rd locating dowel have been wholely set on to the upper surface of the middle ground plate (102) (10112), and on the lower base portion A (10110) it is further opened with the second resigning hole (10113)；Middle ground plate (102) tool There is earth plate body (1020), and the first perforation (1021), the second perforation are further opened with the earth plate body (1020) (1022) and the 3rd perforates (1023)；

Wherein, first locating dowel (10011) is fed through first perforation (1021), and is closely inserted in described second and allows In position hole (10113)；Second locating dowel (10111) is fed through second perforation (1022), and is closely inserted in described In first resigning hole (10013)；3rd locating dowel (10112) is fed through the 3rd perforation (1023), and closely plants In first distribution (10012).

3. electric connector according to claim 2, it is characterised in that：Realize the upper insulation filling body (1001), it is lower absolutely The interior stream of insulator filling flow when edge obturator (1011) and middle ground plate (102) are also encircled into one for plastic rubber shaping jointly The structure in road (103) is：The upper base portion A (10010) is towards being also wholely set on the lower surface of the middle ground plate (102) There is first circulation groove (10014) for extending along the longitudinal direction and extending at upper base portion A (10010) front-end edge, it is described Lower base portion A (10110) towards be also wholely set on the upper surface of the middle ground plate (102) one along the longitudinal direction extension, And the second circulation groove (10114) extended at lower base portion A (10110) front-end edge, on the earth plate body (1020) An opening extended along the longitudinal direction (1024) is also offered between two parties；And first circulation groove (10014), opening (1024) it is encircled into and the second circulation groove (10114) corresponding cooperation, and jointly the inner flow passage (103).

4. electric connector according to claim 1, it is characterised in that：Also include shielding construction, the shielding construction has Board component and Metal shielding shell are shielded, removably positioning sleeve is located at the electric connector main body (1) to the shielding board component Outside, the Metal shielding shell positioning sleeve shields board component and the electric connector main body (1) outside located at described, and the shielding Board component is also contacted and turned on the middle ground plate (102) and the Metal shielding shell respectively, outside the metallic shield Shell is also grounded.

5. electric connector according to claim 4, it is characterised in that：The shielding board component has one to be buckled in the electricity Upper barricade (2) and one on connector body (1) upper surface are buckled in the lower screen on electric connector main body (1) lower surface Shield plate (3), the upper barricade (2) is fixed with the lower barricade (3) mutually snapping, and the upper barricade (2) is also simultaneously Contact and turn on the middle ground plate (102).

6. electric connector according to claim 5, it is characterised in that：The insulation filling body (11) has one to correspond to institute State the rear insulation filling block (110) at terminal module (10) rear portion, a preceding insulation for corresponding to the terminal module (10) front portion is filled out Fill block (111) and one be connected after described and be connected block between insulation filling block (110) and preceding insulation filling block (111) (112), respectively opened up respectively on the upper surface of insulation filling block (110) and close to the opening position of its left and right sides in the rear There is one first holding hole (1100), be also spaced apart in the rear on the lower surface of insulation filling block (110) solid provided with two second Hold hole (1101)；

Realize that the structure that the upper barricade (2) is buckled on the upper surface of the electric connector main body (1) is：The upper shielding Plate (2) have a long strip-board shape upper base portion B (20), two extend down from the left and right ends of the upper base portion B (20) respectively The first buckle arm (21) for being formed, one extend upward and backwards the first holding parts of formation from the back side edge of the upper base portion B (20) (22) and two extend formation down from the left and right ends of first holding parts (22) respectively first hold arms (23), Wherein, the upper base portion B (20) rides upon the upper table of the terminal module (10) together with two first buckle arms (21) On face and left and right sides wall, first holding parts (22) cover the upper surface and front side of insulation filling block (110) in the rear On top, and two first fixing arms (23) are also corresponded to and are buckled in two first holding holes (1100)；

Realize that the structure that the lower barricade (3) is buckled on the lower surface of the electric connector main body (1) is：The lower shielding Plate (3) have a long strip-board shape lower base portion B (30), two extend upward from the left and right ends of the lower base portion B (30) respectively Formed the second buckle arm (31), one from the back side edge of the lower base portion B (30) extend down formation the second holding parts (32), with And two from the lower side bendings upward of second holding parts (32) and extend the second fixing arm (33) of formation respectively, its In, the lower base portion B (30) rides upon the lower surface of the terminal module (10) together with two second buckle arms (31) And on the wall of the left and right sides, and two second buckle arms (31) also correspond to positioned at two first buckle arms (21) respectively simultaneously Outside, and fixed with two first buckle arms (21) mutually snapping, second holding parts (32) are connected to the rear insulation On the lower front of filling block (110), and two second fixing arms (33) also correspond to and are buckled in two second fixings In hole (1101)；

Realize that two second buckle arms (31) correspond to and two first buckle arms (21) structure that mutually snapping is fixed respectively For：It is each on each second buckle arm (31) to offer a grab hole (310) respectively, also in each first buckle arm (21) Outer surface on it is each be installed with one first grab (210) respectively, two first grabs (210) are corresponding to be buckled in described in two In grab hole (310)；

Realize that the upper barricade (2) is with the structure that the middle ground plate (102) contacts and turned on：When two described second Buckle arm (31) correspond to respectively with two first buckle arms (21) mutually snapping is fixed when, two first buckle arms (21) it is interior Surface is in contact and turned on the left and right sides of the middle ground plate (102) respectively.

7. electric connector according to claim 6, it is characterised in that：The Metal shielding shell include main casing (4) and Upper crimp housing (5), main casing (4) positioning sleeve shield board component and the electric connector main body (1) outside located at described, institute State the top that crimp housing (5) snapping is fixed on the main casing (4)；

The upper barricade (2) and lower barricade (3) also contact conducting, the master with the inner surface of the main casing (4) respectively Housing (4) and upper crimp housing (5) are also each grounded.

8. electric connector according to claim 7, it is characterised in that：Realize the main casing (4) positioning sleeve located at described Shielding the structure of board component and the electric connector main body (1) outside is：In the rear on the lower surface of insulation filling block (110) simultaneously Opening position close to its left and right sides respectively offers one the 3rd holding hole (1102) respectively, also insulation filling block in the rear (110) each the first clamping block (1103) for being installed with an arc shape respectively on left and right sides wall；The main casing (4) has one The first matrix (40) for being open for ducted body and front and rear sides and prolong backwards from the rear openings of first matrix (40) U-shaped second matrix (41) of to be formed one is stretched, wherein, the front openings of first matrix (40) are one to be available for cable end joint The interface of insertion, the front end of upper row's conducting terminal (1000), the front end of lower row's conducting terminal (1010) and preceding insulation Filling block (111) all in the interface, the notch of U-shaped second matrix (41) down, U-shaped second matrix (41) it is also relative formed with a pair of second grabs (42) and a pair of second clamping blocks (43) on left and right sides wall, and this is to second Grab (42) is corresponding to be connected in two the 3rd holding holes (1102), and this is corresponding to the second clamping block (43) and described in two First clamping block (1103) mutual clamping；

The structure for realizing the top that upper crimp housing (5) snapping is fixed on the main casing (4) is：First matrix (40) it is also each on left and right sides wall to be fixedly installed one the 3rd grab (44) respectively；The upper crimp housing (5) is flat with one The substrate (50) of tabular, two respectively from the left and right sides of the substrate (50) extend down formation clip side (51), with And one keep out side (52) from what the back side edge of the substrate (50) extended formation down, wherein, the substrate (50) is covered in institute It is each on two clip sides (51) to offer one and the 3rd grab (44) phase respectively on the upper surface for stating main casing (4) The hole clipping (53) of cooperation, and then cause two clip sides (51) correspond to respectively to be fixed with the main casing (4) snapping, separately Outside, the side (52) of keeping out also is connected on the rear side of the electric connector main body (1).

9. electric connector according to claim 8, it is characterised in that：Between being gone back on inner surface on the upside of the main casing (4) Every being provided with a pair of contact blocks (45), this connects to the first holding parts (22) of the contact block (45) respectively with the upper barricade (2) Touch conducting；

The lower barricade (3) also has a contact plate for extending formation backwards from the lower side of second holding parts (32) (34), the contact plate (34) turns on the rear contact of first matrix (40).