CN206293661U - Electric connector - Google Patents

Abstract

A kind of electric connector, including insulating body, several terminals docked with butt-jointed electric connector being fixed in the insulating body and the metal shell being fixed on outside the insulating body, the metal shell is installed in insulating body periphery, in in plug orientation, the hyoplastron is protruded out outside metal shell, the metal shell periphery is installed with external insulation shell, the external insulation shell is formed with stage portion and forms stop surface in the internal face that metal shell is fitted, and the stop surface correspondence coordinates with the front-end edge of metal shell.Short and small design, coordinated insulation shell shape are done by the metal shell of electric connector, it is ensured that the overall width of whole electric connector, thickness are smaller, and respective outer side edges are reasonable in design, exquisite, stable, and manufacture craft is simple.

Description

Electric connector

Technical field

The utility model is related to a kind of electric connector.

Background technology

In the past, USB（Universal Serial Bus, abbreviation USB）By universal masses are used, and with It is now the faster USB3.0 transmission standards of transmission speed that USB2.0 transmission standards is developed to.

The external form of the USB Type-C electric connectors of right latest generation, structure, termination contact mode, numbers of terminals, each end The distance of son（Pitch）And the distribution of each terminal（Pin Assignment）It is all completely different with current USB electric connectors. USB Type-C electric connector for socket includes two row's flat board terminals be arranged on glue core and symmetrical above and below, is covered outside glue core It is stamped the structures such as outer iron-clad.The glue core of general USB Type-C electric connector for socket is mutually assembled injection with multi-piece type colloid It is molded with, and flat board terminal is arranged under row's flat board terminal, a row respectively in connection with a row in each colloid.

Additionally, the waterproofing design of some conventional USB electric connectors is generally, in outer iron-clad outer cladding external insulation shell, together When be arranged water proof rubber circle in the openend periphery of external insulation shell mode realize waterproof.However, because this kind of structure can cause The overall volume of USB electric connectors becomes big, particularly inserted terminal（End where water proof rubber circle）External diameter, with cannot meet it is existing such as The trend of the present miniaturization.And the known way of industry is, the thickness of outer iron-clad, external insulation shell and water proof rubber circle is done small, with The diminution of monnolithic case size is realized, but can so cause that outer iron-clad and external insulation shell associativity are bad, bulk strength is inadequate, A series of problems, such as waterproof effect is not good.

In view of this, it is necessary to which conventional electric connector structure is improved, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of electric connector, electric connector overall structure stabilization, bulk strength Good, processing procedure is simple and with preferable appearance and size.

To realize above-mentioned utility model purpose, the utility model provides a kind of electric connector, including insulating body, fixation Several terminals docked with butt-jointed electric connector and the metal being fixed on outside the insulating body in the insulating body Shell, the insulating body includes base portion and extends the hyoplastron for being formed forward by base portion front end, and each terminal includes dew The contact-segment that goes out outside the hyoplastron surface of insulating body, extend along the base portion rear end of insulating body Butt Section outside insulating body and The contact-segment is connected with Butt Section and at least part of linkage section being embedded in the base portion of insulating body, the metal shell is consolidated Insulating body periphery is located at, the metal shell periphery is installed with external insulation shell, what the external insulation shell was fitted in metal shell Internal face is formed with stage portion and forms stop surface, and the stop surface correspondence coordinates with the front-end edge of metal shell.

Used as further improvement of the utility model, the external insulation shell front end periphery is installed with sealing ring, in plug side Upwards, the sealing ring is located at the front end of the front-end edge of metal shell.

Used as further improvement of the utility model, the external insulation shell is sheathed on metal shell periphery, institute by assembling State external insulation shell front end periphery to cave inward to form fixing groove, the fixed groove bottom further caves inward and is formed with positioning Portion, the sealing ring is fixedly arranged in fixing groove and location division by post forming.

As further improvement of the utility model, with stop surface place face as interface, positioned at the portion of interface front end Exceptionally insulation thickness of the shell than positioned at boundary surface rear end part external insulation thickness of the shell it is thick.

As further improvement of the utility model, the external insulation shell include the upper plate portion that is oppositely arranged and lower board unit, And two side plates of the upper plate portion and lower board unit both side edges are connected respectively, the external insulation shell both sides are respectively embedded with fixation Part, the fixture include the fixed plate being embedded in the side plate, the leg that is extended by fixed plate outside external insulation shell and The buttcover plate for being formed is extended by fixed plate one end, the buttcover plate correspondence is posted by the metal shell correspondence position and by weldering Connect fixation.

To realize above-mentioned utility model purpose, the utility model additionally provides a kind of electric connector, including insulating body, solid Several terminals docked with butt-jointed electric connector being scheduled in the insulating body and the gold being fixed on outside the insulating body Category shell, the insulating body includes base portion and extends the hyoplastron for being formed forward by base portion front end, and each terminal includes The Butt Section exposed the contact-segment outside the hyoplastron surface of insulating body, extend along the base portion rear end of insulating body outside insulating body And the contact-segment is connected with Butt Section and at least part of linkage section being embedded in the base portion of insulating body, the metal shell Insulating body periphery is installed in, in plug orientation, the hyoplastron is protruded out outside metal shell, and the metal shell periphery is fixed There is external insulation shell, the external insulation shell front-end edge protrudes out to the front end of metal shell front-end edge, and the front-end edge of the terminal is protruded out To the front end of metal shell front-end edge.

Used as further improvement of the utility model, the external insulation shell is formed with platform in the internal face that metal shell is fitted Rank portion simultaneously forms stop surface, and the stop surface correspondence coordinates with the front-end edge of metal shell.

As further improvement of the utility model, on hyoplastron thickness direction, the front-end edge and tongue of the external insulation shell The front-end edge of plate is substantially flush, and in plug orientation, the front-end edge of the terminal is located at outside the front-end edge of external insulation shell and metal Between the front-end edge of shell.

As further improvement of the utility model, with stop surface place face as interface, positioned at the portion of interface front end Exceptionally insulation thickness of the shell than positioned at boundary surface rear end part external insulation thickness of the shell it is thick.

Used as further improvement of the utility model, the terminal includes row's terminal group and lower row's terminal group, described Electric connector is also included and is embedded in insulating body and the barricade between upper row's terminal group and lower row's terminal group, The contact-segment of each terminal of upper row's terminal group meets USB with the arrangement mode of the contact-segment of each terminal of lower row's terminal group Type-C standards.

The beneficial effects of the utility model are：Short and small design, coordinated insulation shell are done by the metal shell of electric connector Stage portion structure realize that assembling coordinates, reserve the thicker external insulation shell parts of plate face in the front-end edge position of metal shell and Fixed sealing ring, it is ensured that the overall width of whole electric connector, thickness are smaller, and respective outer side edges are reasonable in design, exquisite, stable, Manufacture craft is simple.

Brief description of the drawings

Fig. 1 is the stereogram of the utility model electric connector.

Fig. 2 is the stereogram that the utility model electric connector is seen from another angle.

Fig. 3 is the part isometric exploded view of the utility model electric connector, which show external insulation shell from metal shell point Stereogram after.

Fig. 4 be the utility model electric connector remove external insulation shell after part isometric exploded view, which show metal outside Stereogram of the shell from after insulating body separation.

Fig. 5 is the three-dimensional exploded view after the utility model electric connector removes external insulation shell, which show metal shell, outward Insulator and metalwork and stereogram of the terminal mould splits after.

Fig. 6 is the stereogram of the first terminal module with Second terminal module of the utility model electric connector.

Fig. 7 is the three-dimensional exploded view figure of the first terminal module with Second terminal module of the utility model electric connector, its The row's of illustrating terminal group, upper row's insulator, lower row's terminal group, lower row's insulator, barricade be separated from each other after stereogram.

Fig. 8 is the sectional view of the utility model electric connector line A-A along Fig. 2.

Fig. 9 is the side view of sectional view described in Fig. 8.

Figure 10 is the upward view of the utility model electric connector.

Figure 11 is the rearview of the utility model electric connector.

Figure 12 is the stereogram that the utility model electric connector is seen from another angle.

Figure 13 is the top view of the utility model electric connector.

Figure 14 is the enlarged drawing of the structure in dotted line circle in Figure 13.

Figure 15 is the three-dimensional exploded view of the external insulation shell of the utility model electric connector.

Figure 16 is the stereogram of the external insulation shell of the utility model electric connector.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and specific implementation Example is described in detail to the utility model, and in order to the convenience stated is with accurately, relates to direction, please join without exception herein According to Fig. 1, itself and butt-jointed electric connector（Banjo, it is not shown）Butt end be front end, the other end is rear end.

Refer to shown in Fig. 1 to Figure 16, the electric connector 100 that the utility model is disclosed can sink board-like installed in docking Circuit board（It is not shown）Go up and cooperation can be docked with butt-jointed electric connector.The electric connector 100 includes insulating body 10, buries Upper row's terminal group 21 and the lower row's terminal group 22, barricade being embedded in the insulating body 10 in the insulating body 10 30 and the metalwork 40 and metal shell 50 that are fixed on outside the insulating body 10.The electric connector in the utility model 100 be also equipped be set in the main external insulation shell 60 for playing waterproof action in the outside of the metal shell 50, be fixed on it is described it is outer absolutely Main on edge shell 60 rises and the fixture 70 for docking circuit board fixation and to be fixed on the front end of external insulation shell 60 peripheral The main sealing ring 80 for playing waterproof action.The insulating body 10 of the electric connector 100, metal shell 50 and external insulation shell 60 are common With enclose set the confession butt-jointed electric connector to form one end open insertion between plug hole 1000.

Refer to shown in Fig. 4, the insulating body 10 includes base portion 11 and extends what is formed forward by the front end of base portion 11 Hyoplastron 12.The hyoplastron 12 includes the end hyoplastron for being close to the basilingual plate 121 of the front end of base portion 11 and being connected with the basilingual plate 121 122。

Refer to shown in Fig. 4 and Fig. 5, the metalwork 40 is in cuboid tubulose, and it is sheathed on the periphery of basilingual plate 121 is used for Tear and be extended with the elastic contact chip 41 that correspondence is contacted with the buckle of barricade 30 in earth shield function, the both sides of the metalwork 40.

Fig. 4, Fig. 5 and Figure 11 are referred to, in the utility model, the metal shell 50 is substantially in cuboid tubulose, its bag Include the upper plate body 511 and lower body 512 that are oppositely arranged and connect the two of the upper plate body 511 and the both side edges of lower body 512 respectively Individual side plate body 513.Each end edge of side plate body 513 extends back and bending is formed with button in the horizontal direction in upper and lower lateral margin Hold portion 514.The holding part 514 positioned at the same side of electric connector 100 is provided with two and is oppositely arranged, the holding part 514 Corresponding to the correspondence position that the rear end of insulating body 10 is clamped on thickness direction.In the utility model, the hyoplastron 12 is protruded out forward Go out outside metal shell 50, in other words, length of the metal shell 50 between plug hole 1000 is less than butt-jointed electric connector Insertion depth.Additionally, on the thickness direction of hyoplastron 12, the front-end edge of the external insulation shell 60 is basic with the front-end edge of hyoplastron 12 Flush, in plug orientation, the front-end edge of the external insulation shell 60 protrudes out to the front end of the front-end edge of metal shell 50, each end The front-end edge of son protrudes out to the front end of the front-end edge of metal shell 50, and the front-end edge of each terminal is located at the front-end edge of external insulation shell 60 And the front-end edge of metal shell 50 between.Metal shell 50 is done into short and small design in the utility model to be beneficial to and external insulation shell 60 Cooperation fixing simultaneously ensure bond strength, can ensure that the overall width and thickness of electric connector 100 are smaller in addition.

Refer to shown in Fig. 4 to Fig. 7, it is upper in terminal group 21 that the insulating body 10 includes that injection moulding is arranged on described Lower insulator 102 and outer insulator 103 of the insulator 101, injection moulding in lower row's terminal group 22 and shielding part 30. Upper row's terminal group 21 and upper insulator 101 are formed arranges terminal module 110, lower row's terminal group 22, barricade 30 and Lower insulator 102 is collectively forming lower row's terminal module 120.The upper insulator 101 and lower insulator 102 are referred to as interior insulation body （Do not indicate）.Upper row's terminal module 110 and lower row's terminal module 120 are collectively forming terminal assemblies 130 after being completed（Ginseng Fig. 5）.In forming the outer insulator 103 by injection moulding again on the terminal assemblies 130.

Refer to shown in Fig. 7, in the present embodiment, upper row's terminal group 21 includes some upper row's signal terminals 211, at least Arranged on one and ground terminal 213 is arranged on power supply terminal 212 and at least.Some upper row's signal terminals 211 include some high to upper row Low speed signal terminal 2113 is arranged in fast signal terminal 2111/2112 and a pair.It is seen by the forward sight of electric connector 100, by left side extremely The terminal block row on right side are followed successively by first upper row's ground terminal 213（Gnd）, first pair of upper row's high-speed signal terminal 2111（TX1 +-, differential signal terminal, is used to transmit high-speed signal）, first upper row's power supply terminal 212（Power/VBUS）, a upper row Function inspection terminal 214（CC1, is used to detect the function of the function with identification CABLE of positive anti-plug）, low speed signal end is arranged on a pair Son 2113（D+-, differential signal terminal is used to transmit low speed signal）, a upper row expand terminal 215（SBU1, can increase definition Used into other purposes）, second upper row's power supply terminal 212（Power/VBUS）, second pair of upper row's high-speed signal terminal 2111 （RX2+-, differential signal terminal is used to transmit high-speed signal）And second upper row's ground terminal 213（Gnd）.The upper row end Subgroup 21 is rearranged by 12 butt and meets transmission USB Type-C signals altogether.

Refer to shown in Fig. 7, in the present embodiment, the number of terminals of lower row's terminal group 22 is identical with upper row's terminal group 21, Power supply terminal 222 is also once arranged including some lower row's signal terminals 221, at least for lower row's terminal group 22 and at least once row connects Ground terminal 223, some lower row's signal terminals 221 include some low with a pair lower rows to lower row's high-speed signal terminal 2211/2212 Fast signal terminal 2213.It is seen by the forward sight of electric connector 100, is followed successively by under first by lower row's terminal block row on right side to left side Row's 222, lower row function of power supply terminal is detectd under high-speed signal terminal 2211, first is arranged under row's ground terminal 223, first pair Survey under terminal 224, a pair lower row's low speed signal terminals 2213, arrange expand under terminal 225, second arrange power supply terminal 222, Row's ground terminal 223 under high-speed signal terminal 2211 and second is arranged under second pair.It is seen by the forward sight of electric connector 100, lower row Terminal group 22 and upper row's terminal group arranged opposite about 22, and left and right opposed alignment sets, that is, lower row's terminal group 22 with it is upper Terminal group 22 is arranged point-symmetrically, so as to realize positive and negative plugging function.

Refer to described in Fig. 4 to Fig. 6, each terminal shape of each terminal of upper row's terminal group 21 and lower row's terminal group 22 It is roughly the same, wherein each terminal includes exposing the contact-segment 201 held outside the surface of hyoplastron 122 of insulating body 10, edge insulation originally The base portion 11 of body 10 extends the Butt Section 203 outside insulating body 10 and connects contact-segment 201 and Butt Section 203 and at least portion Divide the linkage section 202 being embedded in the base portion 11 and basilingual plate 121 of insulating body 10.The contact-segment 201 is used for and docks electricity Connector is docked, and Butt Section 203 is used for and docks circuit board contacts.

Refer to shown in Fig. 4, Fig. 5, Fig. 8 and Fig. 9, the barricade 30 is embedded in insulating body 10 and on described It is used for bonding function in the middle of row's terminal group 21 and lower row's terminal group 22.The end edge of the barricade 30 extends back insulation Body 10 is formed with and the welding foot 31 for docking circuit board fixation.

Refer to shown in Fig. 6 to Fig. 9, in the present embodiment, the upper insulator 101 includes spaced and separately positioned Leading portion portion 1011, center section part 1012 and back segment portion 1013.The leading portion portion 1011 is at least partially disposed at the end position of hyoplastron 122, institute State center section part 1012 and be at least partially disposed at the position of basilingual plate 121, the back segment portion 1013 is at least partially disposed at the position of base portion 11.Institute State leading portion portion 1011, center section part 1012 and back segment portion 1013 on three positions are fixed arrange terminal group 21 from the front to the back respectively so that Position stabilization of each terminal in the row's of going up terminal group 21 during processing procedure is obtained, so as to ensure each terminal in upper row's terminal 21 Flatness, spacing and position are controllable.

Refer to shown in Fig. 6 to Fig. 9, in the present embodiment, the lower insulator 102 is in a monolithic（That is single type）, under The correspondence of insulator 102 is embedded wherein by lower row's terminal group 22 and barricade 30.The lower insulator 102 is formed with some convex The boss structure 1020 for going out, it is described convex after upper row's terminal module 110 is assembled with lower row's terminal module about 120 The lower surface of the correspondence of platform structure 1020 row of being held in terminal group 21（Ginseng Fig. 5, Fig. 8 and Fig. 9）.The boss structure 1020 is under The surface of insulator 102 upwardly extends and protrudes out on the upper surface of barricade 30.Direction, 1020 points of the boss structure from the front to the back It is front boss structure 1021, middle boss structure 1022 and rear boss structure 1023.The front boss structure 1021, middle boss structure 1022 and rear boss structure 1023 be spaced along the longitudinal direction.The front boss structure 1021 is provided with several, and along docking The plug orientation of electric connector is extended.Each front boss structure 1021 is along the width of electric connector 100（That is hyoplastron 12 Width）Interval setting, after upper row's terminal module 110 is assembled with lower row's terminal module about 120, it is ensured that Outer insulator 103 and upper row's terminal module 110 and the conjugation of lower row's terminal module 120 when injection forms outer insulator 103, together Shi Yike improves the mobility of the thermosol material to form outer insulator 103.

Refer to shown in Fig. 5 to Fig. 7, in the present embodiment, the middle boss structure 1022 and rear boss structure 1023 are along electricity Elongated tabular on the width of connector 100.The middle boss structure 1022 and the upper surface of rear boss structure 1023 It is protruding upward to be formed with several limited blocks 1024.Several on the middle boss structure 1022 and rear boss structure 1023 Limited block 1024 on the width of electric connector 100 in being spaced and form some spacer regions 1025.When upper row's terminal module Corresponded to respectively after 110 assemble with lower row's terminal module about 120, in each spacer region 1025 and accommodated and spacing upper row end A wherein terminal in subgroup 21, is further ensured that between upper row's terminal module 110 and lower row's terminal module 120 in assembling When in the accurate positioning on the width of electric connector 100.

Refer to shown in Fig. 5 to Fig. 9, in the present embodiment, when upper row's terminal module 110 and lower row's terminal module After 120 assemblings.In on fore-and-aft direction, the leading portion portion 1011 of the upper insulator 101 is located at front boss structure 1021 and middle boss Between structure 1022, the center section part 1012 of the upper insulator 101 be located at middle boss structure 1022 and rear boss structure 1023 it Between.The rear end part of upper row's terminal module 110（That is back segment portion 1013）At least partly pasted up and down with rear boss structure 1023 Close, the lower surface of the leading portion portion 1011 and center section part 1012 is fitted with the correspondence position of the upper surface of barricade 30, with realization The correspondence of insulator 101 is fitted positioning with lower insulator 102 in above-below direction.The correspondence of the upper insulator 101 and lower insulator 102 Between do not fitted (i.e. fore-and-aft direction delocalization) in fore-and-aft direction, be embodied in, the leading portion portion 1011 of upper insulator 101, in Section portion 1012 and the correspondence of back segment portion 1013 and the front boss structure 1021 of lower insulator 102, middle boss structure 1022 and rear boss Structure 1023 is not fitted in fore-and-aft direction.It is so designed that, the row of may be such that terminal module 110 and lower row's terminal module 120 During assembling, the positioning of fore-and-aft direction is only realized by material strip position, fore-and-aft direction anchor point quantity is reduced, to ensure positioning accurate It is accurate.Additionally, the above-mentioned position do not fitted means that gap can be reserved and filled by outer insulator 103, can equally ensure injection Outer insulator 103 and upper row's terminal module 110 and the conjugation of lower row's terminal module 120 when forming outer insulator 103, while also The mobility of the thermosol material to form outer insulator 103 can be improved.

Refer to shown in Fig. 7 and Fig. 8, in the present embodiment, the back segment portion 1013 of the upper insulator 101 is used for the row of fixing The rear end part of the linkage section 202 of terminal group 21, the back segment portion 1013 is including horizontal-extending substantially in cuboid tabular Extension 10131 and along the rear end of extension 10131 be downwardly extending substantially in cuboid strip fixed part 10132.Institute State and the pendulous tank that terminal is used for each Butt Section 203 of the row's of shortening terminal group 21 is buried in fixed part 10132, docking can be prevented Section 203 is deformed upon when being disconnected with corresponding material strip, it is ensured that the flatness of Butt Section 203.

Refer to Fig. 3 to Fig. 5, shown in Fig. 8, Fig. 9 and Figure 14, in the present embodiment, the back segment portion of the upper insulator 101 About 1013 are formed through through hole 1001.In addition the back segment portion 1013 is located at the position rear end of through hole 1001 also up and down through shape Into there is peep hole 1002.In the utility model, the through hole 1001 and peep hole 1002 also run through whole insulating body 10 up and down Back-end location（I.e. while running through the correspondence position of outer insulator 103 up and down）.The docking of each terminal of lower row's terminal group 22 Section 203 at least partly expose through the peep hole 1002 (i.e. from top to bottom it is observed that hole 1002 it is visual it).

Refer to shown in Fig. 7 and Fig. 8, through hole described in the upper surface covering part of the back-end location of the lower insulator 102 1001 and upper exposed face 1026 is formed by the coverage rate（As rear boss structure 1023 is close to the upper surface part at end edge Point）.Lower surface extends outside insulator 103 and forms lower exposed face 1027 at the end edge of the lower insulator 102.On described Die compresses sealing when exposed face 1026 and lower exposed face 1027 are used to be molded outer insulator 103.Certainly in other embodiments, The upper exposed face 1026 can also be formed at upper insulator 101, for example, the upper insulator 101 that can be formed at through hole 1001 Upper surface.The upper exposed face 1026 and lower exposed face 1027 be arranged in parallel with circuit board place face is docked.In the utility model, This described upper exposed face 1026 is Chong Die in the projection on above-below direction with lower exposed face 1027, certainly in other instances, described Upper exposed face 1026 and lower exposed face 1027 are in the projection on above-below direction can partly overlap.

Incorporated by reference to shown in Fig. 2, Fig. 6 to Figure 10, in the present embodiment, at the rear end lower surface both sides of the upper insulator 101 Respectively it is formed with sealing face 1014（Specific ginseng Fig. 2, Figure 10）.The sealing face 1014 is included by the fixed part of upper insulator 101 10132 lower surface（Recline the docking side surface of circuit board one）The electrolysis formed at the both sides of upper row's terminal group 21 1016, and show up 1015 positioned at the side of the front end of the electrolysis 1016 of upper insulator 101, the side is shown up and 1015 is located at lower row Outside the both sides of the Butt Section 203 of terminal group 22.Die compresses sealing when the sealing face 1014 is used to be molded outer insulator 103. In the present embodiment, the sealing face 1014（That is electrolysis 1016, side show up 1015）It is be arranged in parallel with circuit board place face is docked. With reference to shown in Fig. 2, Fig. 9 and Figure 10, the lower exposed face 1027 is less than electrolysis 1016, and the electrolysis 1016 are shown up less than side 1015.To cause that the Butt Section 203 of each terminal of lower row's terminal group 22 is exposed from the both sides of insulating body 10（I.e. from connector Expose 100 both sides）And be in communication with the outside, penetrating cooling is easy to during welding, the gas impurities produced by discharge welding in time are protected Card welding quality.Additionally, the rear end face of the fixed part 10132 of the upper insulator 101 is formed with for being molded outer insulator 103 When die compress the rear front cover 1017 of sealing.

Refer to shown in Fig. 6, Fig. 8 to Figure 13, the cross-sectional circumference of each terminal of upper row's terminal group 21 is contained in In the through hole 1001, to enable that complete filling is done in the junction of each terminal and upper insulator 101 of arranging terminal group 21 Glue treatment（Fill marine glue）, improve water resistance.In the present embodiment specifically, the through hole 1001 in strip by upper row's terminal The leftmost side terminal outside of group 21 extends to rightmost side terminal outside.In the utility model, in the width side of electric connector 100 Upwards, the length of the exposed face is equal to the length of through hole 1001.

Refer to shown in Fig. 8 to Figure 15, in the utility model, the external insulation shell 60 is substantially in cuboid tubulose, wherein Between formed receiving space 600.External insulation shell 60 includes the upper plate portion 611 being oppositely arranged and lower board unit 612 and connects respectively described Two side plates 613 of upper plate portion 611 and the both side edges of lower board unit 612.The internal face of the external insulation shell 60 is formed with stage portion 614 and stop surface 6141 is formed, on fore-and-aft direction, each upper plate portion 611 of the external insulation shell 60, lower board unit 612 and side plate The fore-end in portion 613 is thicker than rear end part.The correspondence of the stop surface 6141 is supported with the front-end edge of metal shell 50, is realized outer Insulation shell 60 is spacing with the assembling of metal shell 50.

In the utility model, the external insulation shell 60 is done into short and small design, coordinate the structure of stage portion 614 of external insulation shell 60 Assembling positioning is realized, the thicker part of external insulation shell 60 of plate face is reserved in the front-end edge of metal shell 50 and is formed annular fixation Groove 615 is used to be equipped with sealing ring 80, it is ensured that the overall width of whole electric connector 100, thickness are smaller, and respective outer side edges set Meter is reasonable, exquisite, stabilization, and manufacture craft is simple.

Refer to shown in Fig. 1, Fig. 8 and Figure 12, in the utility model, the front end peripheral recesses of the external insulation shell 60 are formed with Annular fixing groove 615, the fixing groove 615 is located at the front end of stop surface 6141 of above-mentioned stage portion 614 (i.e. positioned at external insulation shell 60 The thicker position of front end plastic cement thickness).The bottom surface of the fixing groove 615 is formed with some poroid location divisions through external insulation shell 60 6151.The sealing ring 80 is fixed in the fixing groove of external insulation shell 60 by post forming, and the location division 6151 is used to increase Encryption seal 80 and the fixing power of external insulation shell 60.Certainly in other embodiments, the fixing groove 615 can be designed to by solid Determine the bottom surface of groove 615 further to cave inward the groove-like not through external insulation shell 60 to be formed.

Refer to shown in Fig. 8, Fig. 9, Figure 11 and Figure 15, the external insulation shell 60 is formed with rear end face 601.The external insulation The rear end face 601 of shell 60 caves inward in the junction of external insulation shell 60 and metal shell 50 and is formed with seal groove 610.This practicality In new, the seal groove 610 is located on the side plate 613, certainly in other embodiments, in the entirety of outer insulation shell 60 In the case that thickness is enough, the seal groove 610 also can simultaneously be formed at upper plate portion 611 and/or the rear end of lower board unit 612.

Refer to shown in Fig. 8, Fig. 9 and Figure 12, the rear end of the insulating body 10 and the rear end of metal shell 50 correspondence are exhausted with outer The upper plate portion 611 of edge shell 60 and the adjacent position of lower board unit 612 are formed with the holding tank 150 connected with the seal groove 610.It is described Holding tank 150 is actual to do the common shape of end edge of depression treatment complexed metal shell 50 by the rear end correspondence position of insulating body 10 Into.In the utility model, the holding tank 150 and seal groove 610 form an integral ring-shaped groove and after external insulation shell 60 The junction of end, the rear end of metal shell 50 and the rear end of insulating body 10 one week, by the seal groove 610 and holding tank 150 Encapsulating treatment is inside done, to realize the waterproof effect of the rear end correspondence position of electric connector 100.In the utility model, the holding tank 150 are referred to as accepting groove with seal groove 610.

Certainly in other embodiments, the holding tank 150 also can be formed only by metal shell 50, actually be may be designed to, By the end edge of at least upper plate body 511 of metal shell 50 and lower body 512 be designed to compared with external insulation shell 60 rear end face 601 more It is forward（That is at least upper plate body 511 of metal shell 50 and the end edge of lower body 512 is retracted to form holding tank 150 forward）, from And form holding tank 150.Certainly in other embodiments, the holding tank 150 also can only by insulating body 10 and external insulation shell 60 formed, actually may be designed to, by with the adjacent of metal shell 50（That is junction）Insulating body 10 and external insulation shell 60 to Sunken inside forms holding tank 150.Actual only to need to meet, the holding tank 150 is formed in insulating body 10, gold with seal groove 610 The junction of category shell 50 and external insulation shell 60 is used to accommodate marine glue, to realize the waterproof effect of electric connector, as Holding tank 150 is specifically formed or many with seal groove 610 by insulating body 10, metal shell 50 and external insulation shell 60 It is individual to be collectively forming, it is actual.

Refer to Fig. 9 and combine shown in Fig. 8, Figure 12 and Figure 13.In on fore-and-aft direction, the rear end face of insulation shell 60 in addition 601 is interface, and the interface is through through hole 1001 in the overall length of left and right directions.So may be such that positioned at interface front side Partial through holes 1001, holding tank 150 and seal groove 610 form the encapsulating space of a connection.By in the through hole 1001 Encapsulating treatment is done, to realize upper row's terminal group 21 of the rear end of electric connector 100 and the junction waterproof of insulating body 10.Additionally, In on fore-and-aft direction, the rear end face of the lower insulator 102 is located at interface front side, to cause lower row's terminal group and insulation The junction of body 10 is located in the encapsulating space.Filled when in above-mentioned through hole 1001, seal groove 610 and holding tank 150 After glue treatment, the rear end face that glue surface covers lower insulator 102 is capable of achieving, to realize lower row's terminal group of the rear end of electric connector 100 22 with the junction waterproof of insulating body 10.So as to realize the integral waterproofing effect of the rear end of electric connector 100.

Certainly, in the utility model, due to metal shell 50 for assembling is sheathed with the periphery of insulating body 10.Outside the metal There is assembly clearance between two side plate bodies 513 of shell 50 and the both sides of insulating body 10, done at encapsulating in the rear end of electric connector 100 During reason, marine glue meeting naturally osmotic flows into above-mentioned assembly clearance to realize correspondence position waterproof.In other embodiments, also may be used Form molten with what above-mentioned encapsulating space connected between two side plate bodies 513 of the metal shell 50 and the both sides of insulating body 10 Glue groove structure（It is not shown）Effect is accommodated with the infiltration for increasing marine glue, the colloidal sol groove can be by the both sides concave shape of insulating body 10 Into can also have the both sides plate body 513 of metal shell through bending or the means such as thin and formed.

Refer to shown in Fig. 8, Figure 12, Figure 15 and Figure 16, the fixture 70 is provided with two and shape is identical, by metal Plate pressing and bending is made.Each fixture 70 includes being embedded in fixed plate 701 in the side plate 613 of external insulation shell 60, by fixing The side bending of plate 701 simultaneously extends the side leg 702 outside the side of side plate 613, further downward by the side rear end of fixed plate 701 Extend the rear leg 703 for being formed and the buttcover plate 704 formed by the extension of the opposite side of fixed plate 701 and bending.The buttcover plate 704 and rear leg 703 respectively positioned at the not homonymy of the rear end of fixed plate 701, the rear leg 703 and side leg 702 are located to be fixed The same side of plate 701.The correspondence of the buttcover plate 704 is posted by the holding part 514 of above-mentioned metal shell 50 and is fixed by spot welding Conducting.

Refer to shown in Fig. 1, Fig. 3 to Fig. 7, Figure 15 and Figure 16, the system of the utility model electric connector 100 described below Journey.

Step one, upper row's terminal group 21, lower row's terminal group 22 and barricade 30 are formed by metallic plate pressing and bending.Pass through Mould tool is positioned to upper row's terminal group 21, is made upper row's terminal module 110 by injection moulding and is formed the upper insulation Body 101；Lower row's terminal group 22 and barricade 30 are positioned by another mould tool, lower row is made by injection moulding Terminal module 120 simultaneously forms the lower insulator 102.

Step 2, the described upper row's terminal module 110 that will be made by step one is with lower row's terminal module 120 in above-below direction Overlapping assembling is fixed, and forms terminal assemblies 130.The terminal assemblies 130 are positioned by another mould tool, by note The type of being moulded forms the outer insulator 103, wherein in step 4, includes the die in the another mould tool to lower row's terminal The upper exposed face 1026 and lower exposed face 1027 of module 120 are in the positioning sealing of above-below direction.

Step 3, metalwork 40 is formed by metallic plate pressing and bending, and the metalwork 40 is arranged into assembling from front to back To the periphery of hyoplastron 12 of the insulating body 10 being made by step 2, and form semi-finished product module.

Step 4, metal shell 50 is formed by metallic plate pressing and bending, and the metal shell 50 is arranged from front to back It is assembled to outside the insulating body 10 of the semi-finished product module being made by step 3, and forms electric connector semi-finished product.

Step 5, fixture 70 is formed by metallic plate pressing and bending, and external insulation shell 60 is made by injection moulding.

Step 6, the front end of external insulation shell 60 periphery being made by being molded in the step 5 forms sealing ring 80.

Step 7, the external insulation shell 60 that will be made by step 6 is arranged the electricity for being assembled to and being made by step 4 along the longitudinal direction Outside connector semi-finished product, and form electric connector 100.

Step 8, carries out encapsulating treatment so that electric connector 100 by the rear end of electric connector 100 being made to step 7 With water-proof function.

Above example is only used to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiment pair The utility model has been described in detail, it will be understood by those within the art that, can be to technology of the present utility model Scheme is modified or equivalent, without deviating from the spirit and scope of technical solutions of the utility model.

Claims (10)

1. a kind of electric connector, if including insulating body, being fixed on being docked with butt-jointed electric connector in the insulating body Dry terminal and the metal shell being fixed on outside the insulating body, the insulating body include base portion and by base portion front end towards Preceding to extend the hyoplastron for being formed, each terminal is including exposing the contact-segment outside the hyoplastron surface of insulating body, along insulating body Base portion rear end extend Butt Section outside insulating body and connect the contact-segment and Butt Section and be at least partly embedded in absolutely Linkage section in the base portion of edge body, it is characterised in that：The metal shell is installed in insulating body periphery, the metal shell Periphery is installed with external insulation shell, and the external insulation shell is formed with stage portion and forms backstop in the internal face that metal shell is fitted Face, the stop surface correspondence coordinates with the front-end edge of metal shell.

2. electric connector according to claim 1, it is characterised in that：The external insulation shell front end periphery is installed with sealing Circle, in plug orientation, the sealing ring is located at the front end of the front-end edge of metal shell.

3. electric connector according to claim 2, it is characterised in that：The external insulation shell is sheathed on outside metal by assembling Shell periphery, the external insulation shell front end periphery caves inward to form fixing groove, and the fixed groove bottom further caves inward shape Into there is location division, the sealing ring is fixedly arranged in fixing groove and location division by post forming.

4. electric connector according to claim 1, it is characterised in that：With stop surface place face as interface, positioned at boundary The part external insulation thickness of the shell held in front is thicker than the part external insulation thickness of the shell positioned at boundary surface rear end.

5. the electric connector according to any one in Claims 1-4, it is characterised in that：The external insulation shell includes The upper plate portion and lower board unit that are oppositely arranged and two side plates for connecting the upper plate portion and lower board unit both side edges respectively, it is described External insulation shell both sides are respectively embedded with fixture, and the fixture includes the fixed plate being embedded in the side plate, by fixed plate Extend the leg outside external insulation shell and the buttcover plate for being formed is extended by fixed plate one end, the buttcover plate correspondence is posted by described Metal shell correspondence position simultaneously passes through to be welded and fixed.

6. a kind of electric connector, if including insulating body, being fixed on being docked with butt-jointed electric connector in the insulating body Dry terminal and the metal shell being fixed on outside the insulating body, the insulating body include base portion and by base portion front end towards Preceding to extend the hyoplastron for being formed, each terminal is including exposing the contact-segment outside the hyoplastron surface of insulating body, along insulating body Base portion rear end extend Butt Section outside insulating body and connect the contact-segment and Butt Section and be at least partly embedded in absolutely Linkage section in the base portion of edge body, it is characterised in that：The metal shell is installed in insulating body periphery, in plug orientation On, the hyoplastron is protruded out outside metal shell, and the metal shell periphery is installed with external insulation shell, the external insulation shell front-end edge The front end of metal shell front-end edge is protruded out to, the front-end edge of the terminal protrudes out to the front end of metal shell front-end edge.

7. electric connector according to claim 6, it is characterised in that：The inwall that the external insulation shell is fitted in metal shell Face is formed with stage portion and forms stop surface, and the stop surface correspondence coordinates with the front-end edge of metal shell.

8. electric connector according to claim 6, it is characterised in that：In on hyoplastron thickness direction, the external insulation shell Front-end edge is substantially flush with the front-end edge of hyoplastron, and in plug orientation, the front-end edge of the terminal is located at the front end of external insulation shell Between edge and the front-end edge of metal shell.

9. electric connector according to claim 7, it is characterised in that：With stop surface place face as interface, positioned at boundary The part external insulation thickness of the shell held in front is thicker than the part external insulation thickness of the shell positioned at boundary surface rear end.

10. the electric connector according to claim 1 or 2 or 3 or 4 or 6 or 7 or 8 or 9, it is characterised in that：The terminal The row's of including terminal group and lower row's terminal group, the electric connector are also included and are embedded in insulating body and on described Barricade between row's terminal group and lower row's terminal group, contact-segment and lower row's terminal group of each terminal of upper row's terminal group The arrangement mode of the contact-segment of each terminal meets USB Type-C standards.