CN106450909B - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN106450909B CN106450909B CN201611152329.5A CN201611152329A CN106450909B CN 106450909 B CN106450909 B CN 106450909B CN 201611152329 A CN201611152329 A CN 201611152329A CN 106450909 B CN106450909 B CN 106450909B
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- China
- Prior art keywords
- row
- terminal
- insulator
- insulating body
- terminal group
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
- H01R13/5045—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together different pieces being assembled by press-fit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
A kind of electric connector, including insulating body, the upper row's terminal group formed due to several terminals being fixed in the insulating body and lower row's terminal group, the barricade being fixed in the insulating body and the metal shell being fixed on outside the insulating body.The insulating body includes interior insulation body and outer insulator.Upper row's terminal group, lower row's terminal group and barricade are fixed on interior insulation body.The positioning sealing of mode when forming upper exposed face and lower exposed face for injection molding outer insulator by the lower insulator appropriate location in insulating body, to reduce influence of the mode to terminal, the generation that can prevent injection molding flash simultaneously additionally has many advantages, such as that finished connector product overall structure stabilization, good integral strength, processing procedure are simple and are easy to the molding sealing of Multi-step injection molding.
Description
Technical field
The present invention relates to a kind of electric connector more particularly to a kind of molding electric connectors of Multi-step injection molding.
Background technique
In the past, universal serial bus (Universal Serial Bus, abbreviation USB) was used by universal masses, and with
USB2.0 transmission standard is developed to now as the faster USB3.0 transmission standard of transmission speed.
The external form of the USB Type-C electric connector of right latest generation, structure, termination contact mode, numbers of terminals, each end
The distribution (Pin Assignment) of the distance (Pitch), each terminal of son is all completely different with current USB electric connector.
USB Type-C electric connector for socket includes the two rows plate terminal being arranged on glue core, is covered with outer iron outside glue core
The structures such as shell.The glue core of general USB Type-C electric connector for socket with multi-piece type colloid is mutually assembled injection molding and
At, and respectively in connection with row's plate terminal under row's plate terminal, a row on a row in each colloid.
However, existing USB Type-C electric connector for socket is because the spacing of more, each terminals of its number of terminals is small, two rows
Terminal is symmetrical in mirror surface, takes into account ideal overall dimension again simultaneously, therefore in injection molding process to each module
What sealing positioning became is not easy, position especially intensive in electric connector for socket rear end leg.Therefore, previous structure how is solved
The problems in, the problem of as related dealer must think deeply place.
In view of this, it is necessary to previous electric connector structure be improved, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of electric connector, which has overall structure stabilization, integral strength
It is good, processing procedure is simple, in injection molding to the positioning stablity of each module, be easy to the molding sealing of Multi-step injection molding and should not generate
The advantages that flash.
For achieving the above object, the present invention provides a kind of electric connector, including insulating body, be fixed on it is described absolutely
The intrinsic upper row's terminal group being made of several terminals of edge and it is lower row terminal group, the shielding that is fixed in the insulating body
Plate and the metal shell being fixed on outside the insulating body, the insulating body and metal shell enclose jointly set to be formed it is open at one end
For butt-jointed electric connector insertion between plug hole, the insulating body includes base portion and is extended to form forward by base portion front end
Hyoplastron, each terminal in upper row's terminal group and lower row's terminal group includes connecing outside the hyoplastron surface for expose insulating body
Touching section extends Butt Section outside insulating body and the connection contact-segment and Butt Section and extremely along the base portion rear end of insulating body
Small part is embedded in the linkage section in the base portion of insulating body, and the insulating body includes interior insulation body and outer insulator, institute
The row's of stating terminal group, lower row's terminal group and barricade are fixed on interior insulation body, and the outer insulator passes through injection molding at least portion
Subpackage is overlying on interior insulation body periphery, and the portion of upper surface exposing outer insulator of the interior insulation body back-end location is formed with exposed
Face, the portion lower surface of the interior insulation body back-end location expose outer insulator and are formed with lower exposed face, the interior insulation body
The sealing face for exposing outer insulator, in electric connector width direction, the sealing face are respectively formed at the two sides of rear end lower surface
Outside the two sides of upper row's terminal group and lower row's terminal group.
As a further improvement of the present invention, the upper exposed face and lower exposed face are in at least portion of the projection in up and down direction
Divide overlapping.
As a further improvement of the present invention, the interior insulation body includes the upper insulation with upper row's terminal group fixing
Body and the lower insulator held with lower row's terminal group and shielding part, upper row's terminal group and upper insulator are collectively formed
Terminals Die group is arranged, lower row's Terminals Die group, upper row's Terminals Die is collectively formed in lower row's terminal group, barricade and lower insulator
Group and lower row's Terminals Die group overlap assembling in up and down direction and fix, and the lower exposed face is formed on lower insulator.
As a further improvement of the present invention, the insulating body back-end location is formed through through-hole up and down, under described
Through-hole described in the upper surface covering part of the rear end of insulator, and formed by the portion of upper surface of lower insulator covering through-hole
Upper exposed face.
As a further improvement of the present invention, the through-hole it is in long strip and by the leftmost side terminal of upper row's terminal group on the outside of
It extends on the outside of the terminal of the rightmost side, in electric connector width direction, the length of the exposed face is equal to the length of through-hole.
As a further improvement of the present invention, the insulating body is located at lead to the hole site rear end and is also formed through sight up and down
Hole is examined, the Butt Section of each terminal of lower row's terminal group is at least partly exposed through the peep hole upwards.
As a further improvement of the present invention, the interior insulation body includes the upper insulation with upper row's terminal group fixing
Body and the lower insulator held with lower row's terminal group and shielding part, upper row's terminal group and upper insulator are collectively formed
Terminals Die group is arranged, lower row's Terminals Die group, upper row's Terminals Die is collectively formed in lower row's terminal group, barricade and lower insulator
Group and lower row's Terminals Die group are fixed by assembling, and the upper insulator includes the extension that horizontal extension is formed and along the extension
The fixed part that portion rear end is downwardly extending, each terminal in upper row's terminal group be at least partly embedded in the extension and
In fixed part.
As a further improvement of the present invention, the sealing face includes the lower surface two sides by the fixed part of upper insulator
The electrolysis of formation, and the side formed at the lower surface two sides of the extension of upper insulator are shown up, and the side, which is shown up, to be located at
Electrolysis front end.
As a further improvement of the present invention, the contact-segment with upper row's terminal group of each terminal of lower row's terminal group is each
The contact-segment of terminal is point-symmetrically arranged, and upper row's terminal group is including arranging low speed signal in two pairs of upper row's high-speed signal terminals, a pair
Terminal, two upper row's power supply terminals, two upper row's ground terminals, a upper row function inspection terminal and a upper row expand end
Son.
The beneficial effects of the present invention are: forming upper exposed face and lower outer by the lower insulator appropriate location in insulating body
Show up, the positioning sealing of mode when for injection molding outer insulator reduces influence of the mode to terminal, while can prevent from being molded
The generation of flash additionally has finished connector product overall structure stabilization, good integral strength, processing procedure simple and is easy to multiple
The advantages that sealing of injection molding.
Detailed description of the invention
Fig. 1 is the perspective view of electric connector of the present invention.
Fig. 2 is the perspective view that electric connector of the present invention is seen from another angle.
Fig. 3 is the part isometric exploded view of electric connector of the present invention, and which show external insulation shells after metal shell separation
Perspective view.
Fig. 4 is that electric connector of the present invention removes the part isometric exploded view after external insulation shell, which show metal shell from
Perspective view after insulating body separation.
Fig. 5 is that electric connector of the present invention removes the stereogram exploded view after external insulation shell, and which show metal shells, external insulation
Body and metalwork and perspective view of the terminal mould splits from after.
Fig. 6 is the first end submodule group of electric connector of the present invention and the perspective view of second end submodule group.
Fig. 7 is the first end submodule group of electric connector of the present invention and the stereogram exploded view figure of second end submodule group, is shown
Upper row's terminal group, upper row's insulator, lower row's terminal group, lower row's insulator, barricade be separated from each other after perspective view.
Fig. 8 is the schematic cross-sectional view of electric connector shown in Fig. 2.
Fig. 9 is the side view of cross-sectional view described in Fig. 8.
Figure 10 is the bottom view of electric connector of the present invention.
Figure 11 is the rearview of electric connector of the present invention.
Figure 12 is the perspective view that electric connector of the present invention is seen from another angle.
Figure 13 is the top view of electric connector of the present invention.
Figure 14 is the enlarged drawing of the structure in Figure 13 in virtual coil.
Figure 15 is the stereogram exploded view of the external insulation shell of electric connector of the present invention.
Figure 16 is the perspective view of the external insulation shell of electric connector of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail, and for the convenience of statement and accurately, the related to direction this paper, please without exception referring to Fig.1,
Butt end with butt-jointed electric connector (banjo, not shown) is front end, and the other end is rear end.
It please refers to shown in Fig. 1 to Figure 16, the electric connector 100 that the present invention discloses, which can sink, board-like is mounted on docking circuit
Cooperation can be docked on plate (not shown) and with butt-jointed electric connector.The electric connector 100 includes insulating body 10, is embedded in institute
State upper row's terminal group 21 in insulating body 10 and lower row's terminal group 22, the barricade 30 that is embedded in the insulating body 10 and
The metalwork 40 and metal shell 50 being fixed on outside the insulating body 10.The electric connector 100 in the present invention is also arranged
Have and is set in the main external insulation shell 60 for playing waterproof action in 50 outside of metal shell, is fixed on the external insulation shell 60
It is main to rise and the fixing piece 70 for dock circuit board fixed function and be fixed on main of 60 front end of external insulation shell periphery waterproof
The sealing ring 80 of effect.Insulating body 10, metal shell 50 and the external insulation shell 60 of the electric connector 100 enclose jointly and set to be formed
It is open at one end for butt-jointed electric connector insertion between plug hole 1000.
It please refers to shown in Fig. 4, the insulating body 10 includes base portion 11 and extended to form forward by 11 front end of base portion
Hyoplastron 12.The hyoplastron 12 includes the basilingual plate 121 and the end hyoplastron that is connected with the basilingual plate 121 close to 11 front end of base portion
122。
It please refers to shown in Fig. 4 and Fig. 5, the metalwork 40 is in cuboid tubulose, is sheathed on 121 periphery of basilingual plate and is used for
Earth shield function, 40 two sides of metalwork, which are torn, is extended with the corresponding elastic contact chip 41 contacted with the buckle of barricade 30.
Please refer to Fig. 4, Fig. 5 and Figure 11, in the present invention, the metal shell 50 is substantially in cuboid tubulose comprising phase
Upper plate body 511 and lower body 512 to setting and two sides for being separately connected 512 both side edges of the upper plate body 511 and lower body
Plate body 513.Each 513 end edge of side plate body extends back and bending is formed with holding part in the horizontal direction in upper and lower lateral margin
514.The holding part 514 positioned at 100 the same side of electric connector sets there are two and is oppositely arranged, and the holding part 514 is corresponding
In the corresponding position for clamping 10 rear end of insulating body on thickness direction.In the present invention, the hyoplastron 12 is protruded out outside metal forward
Outside shell 50, in other words, the insertion that length of the metal shell 50 between plug hole 1000 is less than butt-jointed electric connector is deep
Degree.In addition, the front-end edge of the front-end edge and hyoplastron 12 of the external insulation shell 60 is substantially flush on 12 thickness direction of hyoplastron, in
In plug orientation, the front-end edge of the external insulation shell 60 protrudes out to the front end of 50 front-end edge of metal shell, before each terminal
Ora terminalis 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 and metal of external insulation shell 60
Between the front-end edge of shell 50.Metal shell 50 is done into short and small design in favor of holding with the cooperation of external insulation shell 60 in the present invention
Guarantee bond strength simultaneously, furthermore can guarantee that the overall width of electric connector 100 and thickness are smaller.
It please refers to shown in Fig. 4 to Fig. 7, the insulating body 10 includes that injection molding is upper in upper row's terminal group 21
The lower insulator 102 and outer insulator 103 of insulator 101, injection molding in lower row's terminal group 22 and shielding part 30.
Upper row's terminal group 21 and upper insulator 101, which are formed, arranges Terminals Die group 110, lower row's terminal group 22, barricade 30 and
Lower row's Terminals Die group 120 is collectively formed in lower insulator 102.The upper insulator 101 and lower insulator 102 are referred to as interior insulation body
(not indicating).(the ginseng of terminal assemblies 130 is collectively formed in upper row's Terminals Die group 110 and lower row's Terminals Die group 120 after being completed
Fig. 5).In forming the outer insulator 103 by injection molding again on the terminal assemblies 130.
It please refers to shown in Fig. 7, in the present embodiment, upper row's terminal group 21 includes several upper row's signal terminals 211, at least
It is arranged on one and arranges ground terminal 213 on power supply terminal 212 and at least one.Several upper row's signal terminals 211 include several high to upper row
Low speed signal terminal 2113 is arranged in fast signal terminal 2111/2112 and a pair.It is seen by 100 forward sight of electric connector, extremely by left side
The terminal block column on right side are followed successively by first upper row ground terminal 213 (Gnd), first couple of upper row 2111 (TX1 of high-speed signal terminal
+-, differential signal terminal, to transmit high-speed signal), first upper row power supply terminal 212 (Power/VBUS), a upper row
Low speed signal end is arranged on function inspection terminal 214 (CC1, to detect the function of positive anti-plug and the function of identification CABLE), a pair
Sub 2113 (D+-, differential signal terminals, to transmit low speed signal), a upper row expand terminal 215, and (SBU1 can increase definition
At other purposes uses), second upper row power supply terminal 212 (Power/VBUS), second pair upper arrange high-speed signal terminal 2111
(RX2+-, differential signal terminal, to transmit high-speed signal) and second upper row ground terminal 213 (Gnd).The upper row end
Subgroup 21 is rearranged by 12 butt altogether and meets transmission USB Type-C signal.
It please referring to shown in Fig. 7, in the present embodiment, the number of terminals of lower row's terminal group 22 is identical as upper row's terminal group 21,
Power supply terminal 222 is once also arranged including several lower row's signal terminals 221, at least for lower row's terminal group 22 and at least once row connects
Ground terminal 223, several lower row's signal terminals 221 include several low with the lower row of a pair to lower row's high-speed signal terminal 2211/2212
Fast signal terminal 2213.It is seen by 100 forward sight of electric connector, is followed successively by under first by lower row's terminal block column on right side to left side
Row's 222, lower row functions of power supply terminal are detectd under row high-speed signal terminal 2211, first under 223, first couples of ground terminal of row
Survey row under terminal 224, a pair of lower row low speed signal terminal 2213, one expand under terminal 225, second arrange power supply terminal 222,
It is arranged under second pair and arranges ground terminal 223 under high-speed signal terminal 2211 and second.It is seen by 100 forward sight of electric connector, lower row
Terminal group 22 and upper about 22 arranged opposite of row's terminal group, and left and right opposed alignment is arranged, that is, lower row's terminal group 22 with it is upper
Terminal group 22 is arranged point-symmetrically, to realize positive and negative plugging function.
It please refers 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 include expose insulating body 10 end 122 surface of hyoplastron outside contact-segment 201, along insulation this
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 docking, Butt Section 203 are used for and dock circuit board contacts.
It please refers to shown in Fig. 4, Fig. 5, Fig. 8 and Fig. 9, the barricade 30 is embedded in insulating body 10 and is located on described
It arranges and is used for bonding function among terminal group 21 and lower row's terminal group 22.30 end edge of barricade extends back insulation
Ontology 10 is formed with the welding foot 31 fixed with circuit board is docked.
It please refers to shown in Fig. 6 to Fig. 9, in the present embodiment, the upper insulator 101 includes being spaced apart from each other and separately positioned
Leading portion portion 1011, middle portion 1012 and back segment portion 1013.The leading portion portion 1011 is at least partially disposed at end 122 position of hyoplastron, institute
It states middle portion 1012 and is at least partially disposed at 121 position of basilingual plate, the back segment portion 1013 is at least partially disposed at 11 position of base portion.Institute
State leading portion portion 1011, middle portion 1012 and back segment portion 1013 arrange terminal group 21 on three positions are fixed from the front to the back respectively so that
It obtains position of each terminal in the row's of going up terminal group 21 during processing procedure to stablize, to arrange each terminal in terminal 21 on guaranteeing
Flatness, spacing and position are controllable.
It please referring to shown in Fig. 6 to Fig. 9, in the present embodiment, the lower insulator 102 is in a monolithic (i.e. single type), under
Insulator 102 is corresponding embedded wherein by lower row's terminal group 22 and barricade 30.The lower insulator 102 is formed with several upward convex
Boss structure 1020 out, it is described convex after upper row's Terminals Die group 110 is assembled with lower about 120 row's Terminals Die group
The lower surface (ginseng Fig. 5, Fig. 8 and Fig. 9) of the corresponding row's of the being held in terminal group 21 of platform structure 1020.The boss structure 1020 is under
102 surface of insulator upwardly extends and protrudes out on 30 upper surface of barricade.Direction from the front to the back, the boss structure 1020 divide
For 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 alternatively arranged along the longitudinal direction.The front boss structure 1021 is equipped with several, and along docking
The plug orientation of electric connector is extended.Each front boss structure 1021 is along electric connector 100 width direction (i.e. hyoplastron 12
Width direction) interval setting, after upper row's Terminals Die group 110 is assembled with lower about 120 row's Terminals Die group, it is ensured that
The conjugation of outer insulator 103 and upper row's Terminals Die group 110 and lower row's Terminals Die group 120 when injection molding forms outer insulator 103, together
Shi Yike improves the mobility to form the thermosol material of outer insulator 103.
It please refers 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 plate in the width direction of connector 100.1023 upper surface of the middle boss structure 1022 and rear boss structure
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 in 100 width direction of electric connector in being alternatively arranged and form several spacer regions 1025.When upper row's Terminals Die group
After 110 assemble with lower about 120 row's Terminals Die group, receiving is respectively corresponded in each spacer region 1025 and arranges end on limiting
A wherein terminal in subgroup 21 is further ensured that between upper row's Terminals Die group 110 and lower row's Terminals Die group 120 and is assembling
When in the accurate positioning in 100 width direction of electric connector.
It please refers to shown in Fig. 5 to Fig. 9, in the present embodiment, when upper row's Terminals Die group 110 and lower row's Terminals Die group
After 120 assemblings.In on front-rear 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 middle portion 1012 of the upper insulator 101 be located at middle boss structure 1022 and rear boss structure 1023 it
Between.The rear end part (i.e. back segment portion 1013) and rear boss structure 1023 of upper row's Terminals Die group 110 at least partly paste up and down
It closes, the lower surface of the leading portion portion 1011 and middle portion 1012 is bonded with the corresponding position of 30 upper surface of barricade, on realizing
Insulator 101 is corresponding to be bonded positioning in up and down direction with lower insulator 102.The correspondence of upper insulator 101 and lower insulator 102
Between in front-rear direction be not bonded (i.e. front-rear direction delocalization), be embodied in, the leading portion portion 1011 of upper insulator 101, in
Corresponding front boss structure 1021, middle boss structure 1022 and the rear boss with lower insulator 102 in section portion 1012 and back segment portion 1013
Structure 1023 is not bonded in front-rear direction.It is designed in this way, the row's of may make Terminals Die group 110 and lower row's Terminals Die group 120
It when assembling, is only realized by material strip position and is positioned in the front-back direction, front-rear direction anchor point quantity is reduced, to guarantee positioning accurate
It is quasi-.In addition, the above-mentioned position not being bonded means that gap can be reserved and is filled by outer insulator 103, it is same to can guarantee injection molding
The conjugation of outer insulator 103 and upper row's Terminals Die group 110 and lower row's Terminals Die group 120 when forming outer insulator 103, while also
The mobility to form the thermosol material of outer insulator 103 can be improved.
It please refers 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 include horizontal-extending substantially in cuboid plate
Extension 10131 and along 10131 rear end of extension be downwardly extending substantially be in cuboid strip fixed part 10132.Institute
It states and buries pendulous tank of the terminal for each Butt Section 203 of the row's of shortening terminal group 21 in fixed part 10132, can prevent from docking
Deformation occurs when section 203 is disconnected with corresponding material strip, guarantees the flatness of Butt Section 203.
It please refers to shown in Fig. 3 to Fig. 5, 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.Furthermore the back segment portion 1013 is located at 1001 position rear end of through-hole also up and down through shape
At there is peep hole 1002.In the present invention, the through-hole 1001 and peep hole 1002 are also upper and lower after entire insulating body 10
End position (runs through 103 corresponding position of outer insulator) up and down simultaneously.The Butt Section 203 of each terminal of lower row's terminal group 22
At least partly through the peep hole 1002 expose (i.e. from top to bottom it is observed that hole 1002 it is visual it).
It please refers 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 1026 (as upper surface part of the rear boss structure 1023 close to end edge of exposed face is formed by the covering surface
Point).Lower surface extends outside insulator 103 and forms lower exposed face 1027 at the end edge of the lower insulator 102.On described
Mode compresses sealing when exposed face 1026 and lower exposed face 1027 are used to form outer insulator 103.Certainly in other embodiments,
The upper exposed face 1026 can also be formed in 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 are arranged in parallel with circuit board place face is docked.In the present invention, this institute
It is Chong Die in the projection in up and down direction with lower exposed face 1027 to state exposed face 1026, it is certainly in other instances, described outer
Show up 1026 with lower exposed face 1027 in the projection in up and down 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 two sides of the upper insulator 101
Respectively it is formed with sealing face 1014 (specifically joining Fig. 2, Figure 10).The sealing face 1014 includes by the fixed part of upper insulator 101
10132 lower surface (recline and dock one side surface of circuit board) is located at the electrolysis formed at the two sides of upper row's terminal group 21
1016, and show up 1015 positioned at the side of 1016 front end of the electrolysis of upper insulator 101, the side, which is shown up, 1015 is located at lower row
Outside the two sides of the Butt Section 203 of terminal group 22.The sealing face 1014 compresses sealing for mode when forming outer insulator 103.
In the present embodiment, the sealing face 1014 (i.e. electrolysis 1016, side show up 1015) with dock circuit board where face be arranged in parallel.
In conjunction with shown in Fig. 2, Fig. 9 and Figure 10, the lower exposed face 1027 is lower than electrolysis 1016, and the electrolysis 1016 is shown up lower than side
1015.So that the Butt Section 203 of each terminal of lower row's terminal group 22 is exposed from the two sides of insulating body 10 (i.e. from connector
100 two sides expose) and be in communication with the outside, when welding, is easy to penetrating cooling, discharge in time weld caused by gas impurities, protect
Demonstrate,prove welding quality.In addition, the rear end face of the fixed part 10132 of the upper insulator 101 is formed with for forming outer insulator 103
When mode compress the rear cover 1017 of sealing.
It please refers 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, so that the junction of each terminal of upper row's terminal group 21 and upper insulator 101 can do complete filling
Glue processing (fills marine glue), improves waterproof performance.Specifically, the through-hole 1001 is in long strip by upper row's terminal in the present embodiment
It is extended on the outside of the terminal of the rightmost side on the outside of the leftmost side terminal of group 21.In the present invention, in 100 width direction of electric connector
On, the length of the exposed face is equal to 1001 length of through-hole.
It please refers to shown in Fig. 8 to Figure 15, in the present invention, the external insulation shell 60 is substantially in cuboid tubulose, in-between shape
At accommodation space 600.External insulation shell 60 includes the upper plate portion 611 being oppositely arranged and lower board unit 612 and is separately connected the upper plate
Two side plates 613 of 612 both side edges of portion 611 and lower board unit.The inner wall of the external insulation shell 60 is formed with stage portion 614 simultaneously
Form stop surface 6141, on front-rear direction, each upper plate portion 611, lower board unit 612 and the side plate 613 of the external insulation shell 60
Front end portion be thicker than rear end part.The corresponding front-end edge with metal shell 50 of the stop surface 6141 supports, and realizes external insulation
The assembling of shell 60 and metal shell 50 limits.
In the present invention, the external insulation shell 60 is done into short and small design, 614 structure of stage portion of cooperation external insulation shell 60 is realized
Assembling positioning, reserves thicker 60 part of external insulation shell of plate face in the front-end edge of metal shell 50 and forms annular fixing groove
615, for being equipped with sealing ring 80, ensure that the overall width of entire electric connector 100, thickness are smaller, structure matching design
Rationally, exquisite, stable, manufacture craft is simple.
It please refers to shown in Fig. 1, Fig. 8 and Figure 12, in the present invention, the 60 front end peripheral recesses of external insulation shell are formed with annular
Fixing groove 615,6141 front end of stop surface that the fixing groove 615 is located at above-mentioned stage portion 614 (are located at 60 front end of external insulation shell
The thicker position of plastic cement thickness).615 bottom surface of fixing groove is formed with several poroid positioning regions 6151 through external insulation shell 60.
The sealing ring 80 is fixed in the fixing groove of external insulation shell 60 by post forming, and the positioning region 6151 is for increasing sealing
The fixing power of circle 80 and external insulation shell 60.Certainly in other embodiments, the fixing groove 615 can be designed to by fixing groove
615 bottom surfaces are further recessed inwardly the groove-like not through external insulation shell 60 to be formed.
It please refers 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 is recessed inwardly in the junction of external insulation shell 60 and metal shell 50 and is formed with seal groove 610.The present invention
In, the seal groove 610 is located on the side plate 613, certainly in other embodiments, in the integral thickness of outer insulation shell 60
In enough situations, the seal groove 610 can be also formed simultaneously in 612 rear end of upper plate portion 611 and/or lower board unit.
It please refers to shown in Fig. 8, Fig. 9 and Figure 12,10 rear end of insulating body and 50 rear end of metal shell are corresponding and outer exhausted
The upper plate portion 611 of edge shell 60 and 612 adjacent position of lower board unit are formed with the holding tank 150 being connected to the seal groove 610.It is described
Holding tank 150 is practical to do the 50 common shape of end edge of depression treatment complexed metal shell by the rear end corresponding position of insulating body 10
At.In the present invention, the holding tank 150 forms an integral ring-shaped groove with seal groove 610 and surround 60 rear end of external insulation shell, gold
Belong to the junction of 50 rear end of shell and 10 rear end of insulating body one week, by filling in the seal groove 610 and holding tank 150
Glue processing, to realize the waterproof effect of 100 rear end corresponding position of electric connector.In the present invention, the holding tank 150 and seal groove
610 are referred to as container.
Certainly in other embodiments, the holding tank 150 also can be formed only by metal shell 50, actually 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
Forward (i.e. at least upper plate body 511 of metal shell 50 and the end edge of lower body 512 is retracted forms holding tank 150 forward), from
And form holding tank 150.Certainly in other embodiments, the holding tank 150 also can be only by insulating body 10 and external insulation shell
60 formed, actually may be designed to, from the insulating body 10 and external insulation shell 60 with 50 adjacent of metal shell (i.e. junction) to
Sunken inside forms holding tank 150.Practical only to need to meet, the holding tank 150 is formed in insulating body 10, gold with seal groove 610
The junction for belonging to 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 and seal groove 610 are specifically formed by one in insulating body 10, metal shell 50 and external insulation shell 60 or more
It is a to be collectively formed, it is practical.
It please refers to Fig. 9 and combines shown in Fig. 8, Figure 12 and Figure 13.In on front-rear direction, the rear end face of insulation shell 60 in addition
601 be interface, and the interface passes through through-hole 1001 in the overall length of left and right directions.It so may make on front side of interface
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 processing is done, to realize upper row's terminal group 21 of 100 rear end of electric connector and the junction waterproof of insulating body 10.In addition,
In on front-rear direction, the rear end face of the lower insulator 102 is located on front side of the interface, so that lower row's terminal group and insulation
The junction of ontology 10 is located in the encapsulating space.It is filled when in above-mentioned through-hole 1001, seal groove 610 and holding tank 150
, it can be achieved that glue surface covers the rear end face of lower insulator 102, to realize lower row's terminal group of 100 rear end of electric connector after glue processing
22 with the junction waterproof of insulating body 10.To realize the integral waterproofing effect of 100 rear end of electric connector.
Certainly, in the present invention, since metal shell 50 is that assembling is sheathed with 10 periphery of insulating body.The metal shell 50
10 two sides of two side plate bodies 513 and insulating body between there are assembly clearances, do encapsulating processing in 100 rear end of electric connector
When, marine glue meeting naturally osmotic flows into above-mentioned assembly clearance to realize corresponding position waterproof.It in other embodiments, also can be
The colloidal sol being connected to above-mentioned encapsulating space is formed between two side plate bodies 513 of the metal shell 50 and 10 two sides of insulating body
Slot structure (not shown) accommodates effect with the infiltration for increasing marine glue, and the colloidal sol slot can be by 10 two sides concave shape of insulating body
At can also have the two sides plate body 513 of metal shell through bending or the means such as thin and formed.
Please refer to shown in Fig. 8, Figure 12, Figure 15 and Figure 16, the fixing piece 70 set there are two and shape it is identical, by metal
Plate pressing and bending is made.Each fixing piece 70 includes the fixed plate 701 being embedded in the side plate 613 of external insulation shell 60, by fixing
701 side bending of plate simultaneously extends the side leg 702 outside 613 side of side plate, further downward by 701 side rear end of fixed plate
The rear leg 703 that extends to form and extended by 701 other side of fixed plate and buttcover plate 704 that bending is formed.The buttcover plate
704 and rear leg 703 be located at the not ipsilateral of 701 rear end of fixed plate, it is described after leg 703 be located at side leg 702 and fix
The same side of plate 701.The corresponding holding part 514 for being posted by above-mentioned metal shell 50 of the buttcover plate 704 is simultaneously fixed by spot welding
Conducting.
It please refers to shown in Fig. 1, Fig. 3 to Fig. 7, Figure 15 and Figure 16, the processing procedure of electric connector 100 of the present invention described below.
Step 1 forms upper row's terminal group 21, lower row's terminal group 22 and barricade 30 by metal plate pressing and bending.Pass through
Mould jig positions upper row's terminal group 21, and upper row's Terminals Die group 110 is made by injection molding and forms the upper insulation
Body 101;Lower row's terminal group 22 and barricade 30 are positioned by another mould jig, lower row is made by injection molding
Terminals Die group 120 simultaneously forms the lower insulator 102.
Step 2, will be by upper row's Terminals Die group 110 and lower row's Terminals Die group 120 made of step 1 in up and down direction
Overlapping assembling is fixed, and forms terminal assemblies 130.The terminal assemblies 130 are positioned by another mould jig, pass through note
The type of being moulded into forms the outer insulator 103, includes the mode in the another mould jig to lower row's terminal wherein in step 4
The upper exposed face 1026 and lower exposed face 1027 of mould group 120 are in the positioning sealing of up and down direction.
Step 3 forms metalwork 40 by metal plate pressing and bending, the metalwork 40 is arranged assembling from front to back
It is peripheral to the hyoplastron 12 for pressing insulating body 10 made of step 2, and form semi-finished product module.
Step 4 forms metal shell 50 by metal plate pressing and bending, the metal shell 50 is arranged from front to back
It is assembled to outside the insulating body 10 by semi-finished product module made of step 3, and forms electric connector semi-finished product.
Step 5 forms fixing piece 70 by metal plate pressing and bending, external insulation shell 60 is made by injection molding.
Step 6 forms sealing ring 80 being molded in 60 front end periphery of external insulation shell made of the step 5.
Step 7 will be arranged along the longitudinal direction by external insulation shell 60 made of step 6 and will be assembled to by electricity made of step 4
Outside connector semi-finished product, and form electric connector 100.
Step 8, carrying out encapsulating processing to 100 rear end of electric connector made of step 7, so that electric connector 100
With water-proof function.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. a kind of electric connector, including insulating body, the upper row being made of several terminals being fixed in the insulating body
Outside terminal group and lower row's terminal group, the barricade being fixed in the insulating body and the metal being fixed on outside the insulating body
Shell, the insulating body and metal shell enclose jointly set to be formed it is open at one end for butt-jointed electric connector insertion between plug hole,
The insulating body includes base portion and the hyoplastron that is extended to form forward by base portion front end, upper row's terminal group and lower row's terminal
Each terminal in group includes contact-segment outside the hyoplastron surface for expose insulating body, extends along the base portion rear end of insulating body
It Butt Section outside insulating body and the connection contact-segment and Butt Section and is at least partly embedded in the base portion of insulating body
Linkage section, the insulating body include interior insulation body and outer insulator, upper row's terminal group, lower row's terminal group and barricade
It is fixed on interior insulation body, the outer insulator is at least partly coated on interior insulation body periphery by injection molding, it is characterised in that:
The portion of upper surface of the interior insulation body back-end location exposes outer insulator and is formed with exposed face, interior insulation body rear end position
The portion lower surface set exposes outer insulator and is formed with lower exposed face, is respectively formed at the rear end lower surface two sides of the interior insulation body
There is the sealing face for exposing outer insulator, in electric connector width direction, the sealing face is located at upper row's terminal group and lower row end
Outside the two sides of subgroup.
2. electric connector according to claim 1, it is characterised in that: the upper exposed face and lower exposed face are in up and down direction
On projection it is least partially overlapped.
3. electric connector according to claim 1, it is characterised in that: the interior insulation body includes and upper row's terminal
The upper insulator of group fixing and the lower insulator held with lower row's terminal group and shielding part, upper row's terminal group and it is upper absolutely
Row's Terminals Die group is collectively formed in edge body, and lower row's Terminals Die group is collectively formed in lower row's terminal group, barricade and lower insulator,
Upper row's Terminals Die group and lower row's Terminals Die group overlap assembling in up and down direction and fix, and the lower exposed face is formed in lower insulation
On body.
4. electric connector according to claim 3, it is characterised in that: the insulating body back-end location is formed there through up and down
There are through-hole, through-hole described in the upper surface covering part of the rear end of the lower insulator, and through-hole is covered by the lower insulator
Portion of upper surface forms exposed face.
5. electric connector according to claim 4, it is characterised in that: the through-hole is in long strip and by upper row's terminal group
It is extended on the outside of leftmost side terminal on the outside of the terminal of the rightmost side, in electric connector width direction, the length of the exposed face
Equal to the length of through-hole.
6. electric connector according to claim 4, it is characterised in that: the insulating body be located at lead to the hole site rear end also on
Under be formed through peep hole, the Butt Section of each terminal of lower row's terminal group is at least partly revealed through the peep hole upwards
Out.
7. electric connector according to claim 1, it is characterised in that: the interior insulation body includes and upper row's terminal
The upper insulator of group fixing and the lower insulator held with lower row's terminal group and shielding part, upper row's terminal group and it is upper absolutely
Row's Terminals Die group is collectively formed in edge body, and lower row's Terminals Die group is collectively formed in lower row's terminal group, barricade and lower insulator,
Upper row's Terminals Die group and lower row's Terminals Die group are fixed by assembling, and the upper insulator includes the extension that horizontal extension is formed
Portion and the fixed part being downwardly extending along the extension rear end, each terminal in upper row's terminal group are at least partly embedded
In in the extension and fixed part.
8. electric connector according to claim 7, it is characterised in that: the sealing face includes the fixed part by upper insulator
Lower surface two sides at formed electrolysis, and at the lower surface two sides of the extension of upper insulator formed side show up,
Show up positioned at electrolysis front end the side.
9. electric connector as claimed in any of claims 1 to 8, it is characterised in that: lower row's terminal group it is each
The contact-segment of terminal and the contact-segment of each terminal of upper row's terminal group are point-symmetrically arranged, and upper row's terminal group includes that two couples of upper rows are high
Arranged on fast signal terminal, a pair low speed signal terminal, two upper row's power supply terminals, two upper row's ground terminals, one upper arrange function
It can inspection terminal and upper row's expansion terminal.
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CN201611152329.5A CN106450909B (en) | 2016-12-14 | 2016-12-14 | Electric connector |
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CN201611152329.5A CN106450909B (en) | 2016-12-14 | 2016-12-14 | Electric connector |
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CN106816754A (en) * | 2017-03-21 | 2017-06-09 | 昆山鑫泰利精密组件股份有限公司 | Socket connector |
CN106898902B (en) * | 2017-03-23 | 2020-04-14 | 启东乾朔电子有限公司 | Electrical connector |
CN107069279A (en) * | 2017-03-31 | 2017-08-18 | 珠海市魅族科技有限公司 | Connector |
CN107658618B (en) * | 2017-08-10 | 2021-10-26 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
CN109787000B (en) * | 2017-11-11 | 2021-11-19 | 富士康(昆山)电脑接插件有限公司 | Double-sided socket connector and electrical system thereof |
CN109256634B (en) * | 2018-11-07 | 2023-11-14 | 温州意华接插件股份有限公司 | High-speed connector module and manufacturing method thereof |
CN110739561B (en) * | 2019-09-18 | 2022-01-25 | 深圳市长盈精密技术股份有限公司 | USB socket and manufacturing method thereof |
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