CN105048249B - Two side-pluggable USB connector manufacturing method - Google Patents

Abstract

The invention discloses a two side-pluggable USB connector manufacturing method. The method comprises the following steps: firstly, injection molding is carried out on a first terminal group and a second terminal group respectively for forming a first combination body and a second combination body; then, the first combination body is matched with a metal isolation middle plate for injection molding to form a third combination body; and finally, the second combination body and the third combination body are subjected to injection molding to form a fourth combination body, and when the second combination body and the third combination body are subjected to injection molding, an insulated shell covering the second combination body and the third combination body wholly is cured. The problem that the existing intramode injection molding technology can not mold complicated assemblies into a whole can be effectively solved.

Description

Positive anti-plug USB connector manufacture method

Technical field

The application is related to electric connector field, espespecially a kind of positive anti-plug USB connector manufacture method.

Background technology

, universally present in daily life, the transmission of electronic device data is most for USB (USB) Using this general standard；The appearance of USB3.0 standards drastically increases the transmission speed of data, in standard A Type classes In the USB interface design of type, USB3.0 can ideally realize change in design and not affect downward compatibility and constructional appearance.But It is while function upgrading then cannot be realized in the Micro USB fields of mobile terminal application, it is ensured that constructional appearance is constant, 3.0 standards of Micro USB finally complicate surface structure, that is, adopt mode side by side to increased an interface to accommodate increasing Plus function leg, but occupy bigger space, be limited to the development trend of smart mobile phone ultrathin, make Micro USB3.0 exist Application on mobile phone is greatly limited, and is badly in need of a kind of brand-new high speed serialization versabus to solve this problem.

In the case, USB associations are proposed brand-new USB3.1 Type c-type interface connectors, while having taken into account size With performance, the application on intelligent terminal is adapted to, but which can not be backward compatible.It is limited to product structure complicated, while there is metal In isolation plate and respectively be located at the metal isolation in plate both sides first, second terminal group, in current manufacturing process, The thimble of mould cannot in the mould relative position of the above-mentioned three of stationary positioned simultaneously, namely single injection-molded cannot be passed through Will above-mentioned three be molded as one structure.No. 201410395693.9 patent application of the People's Republic of China (PRC) discloses one kind USB3.1 Type C type connectors, which adopts the manufacturing process of the last assembling of upper and lower plastic body split shaping to solve small size A manufacture difficult problem for complex structural member, but also there are some problems in terms of the overall Structural Integrity of connector in which, upper and lower two groups Conducting terminal module needs by metalwork to be integrated to hold.

The content of the invention

The purpose of the application is to provide a kind of support positive anti-plug USB connector manufacture method, the USB connector structure Integraty is more preferable, structure is more consolidated.

For this purpose, this application provides a kind of positive anti-plug USB connector manufacture method, comprises the steps：

Step one, offer first end subgroup, the first end subgroup include the weldering of contact site and the contact site one Pin and be connected to the first end subgroup rear and front end material strip, the first end subgroup is carried out into injection mo(u)lding and forms the One insulator, after injection mo(u)lding, cuts off the material strip of the front end connection of the first end subgroup, the first end subgroup and described the One insulator constitutes the first assembly；

Second terminal group is provided, the Second terminal group includes leg and the connection of contact site and the contact site one In the material strip of the rear and front end of the first end subgroup, the Second terminal group carried out injection mo(u)lding formed to be immobilizated in described the The second insulator in two-terminal group, after injection mo(u)lding, cuts off the material strip of the Second terminal group front end connection, second end Subgroup constitutes the second assembly with second insulator；

Step 2, provide plate in metal isolation, the front end of plate is connected with material strip in metal isolation, by the metal every Be placed in the first assembly side from middle plate, the material strip of the first end subgroup rear end connection isolate with the metal in before plate The material strip of end connection is located at the contrary position of fore-and-aft direction respectively, and during first assembly is isolated with the metal, plate is carried out Injection mo(u)lding operation, gap filling of the fluid plastic material between the first end subgroup enter in the metal isolation plate with Between first assembly, predetermined position is solidified into the 3rd insulator；After injection mo(u)lding, the first end subgroup is cut off The material strip of rear end connection, during first assembly is isolated with the metal, plate constitutes the 3rd assembly；

Step 3：Second assembly is attached at plate side in the metal isolation of the 3rd assembly, now the gold In category isolation, the material strip of plate is located at the contrary position of fore-and-aft direction respectively with the material strip that the Second terminal group rear end connects, by institute Stating second, third assembly carries out injection mo(u)lding operation, and fluid plastic cement is flowed to will via plastic cement flow passage to predetermined position Second assembly and the 3rd assembly are coated on interior and are solidified into insulation crust, after injection mo(u)lding, described second, third group It is fit to constitute the 4th assembly, the 4th assembly include docking section, the holding parts for being formed at the docking section rear end and The afterbody of the holding parts rear end is formed at, between the afterbody and the holding parts, stage portion is formed.

Compared to prior art, the positive anti-plug USB connector manufacture method of the application is first by the first end subgroup, the second end Subgroup difference injection mo(u)lding is first, second assembly, then plate one during the first or second assembly is isolated with the metal Shaping constitutes the 3rd assembly, and most described second, third combination body by integral forming is constituted by insulation crust integral coating at last 4th assembly, it is to avoid existing in-mould injection moulding process cannot once by the first end subgroup, Second terminal group and metal The defect that sheet metal forming is integrated in isolation.

Description of the drawings

Three-dimensional combination figures of the Fig. 1 for the positive anti-plug USB connector of the application；

Three-dimensional exploded views of the Fig. 2 for the positive anti-plug USB connector of the application；

Fig. 3 removes the partial exploded view after metal shell for the positive anti-plug USB connector of the application；

Fig. 4 removes the three-dimensional exploded view after metal shell for the positive anti-plug USB connector of the application；

Fig. 5 removes another angle three-dimensional exploded view after metal shell for the positive anti-plug USB connector of the application；

Fig. 6 is the sectional view along A-A dotted lines shown in Fig. 1；

Manufacture method flow processs of the Fig. 7 to Figure 18 for the positive anti-plug USB connector of the application；

Fig. 7 is the first assembly formed after the positive anti-plug USB connector first end subgroup of the application carries out injection mo(u)lding；

Fig. 8 is the second assembly formed after the positive anti-plug USB connector Second terminal group of the application carries out injection mo(u)lding；

Fig. 9 is carried out before injection mo(u)lding with first assembly for plate in the isolation of the positive anti-plug USB connector of the application Relative position relation figure；

Figure 10 is carried out before injection mo(u)lding with first assembly for plate in the isolation of the positive anti-plug USB connector of the application Another relative position relation figure；

Figure 11 formed for plate and the first assembly injection mo(u)lding in the isolation of the positive anti-plug USB connector of the application the The stereogram of three assemblys；

Figure 12 formed for plate and the first assembly injection mo(u)lding in the isolation of the positive anti-plug USB connector of the application the Another angle stereogram of three assemblys；

Figure 13 is before second assembly and the 3rd assembly of the positive anti-plug USB connector of the application carries out injection mo(u)lding again Relative position relation figure；

Figure 14 carries out being formed after injection mo(u)lding for second assembly and the 3rd assembly of the positive anti-plug USB connector of the application The 4th assembly stereogram；

Figure 15 for the positive anti-plug USB connector of the application the 4th assembly on be arranged fixing metalwork stereogram；

Figure 16 is for being arranged the stereogram after inner metal shell on the 4th assembly of the positive anti-plug USB connector of the application；

Figure 17 installs water proof ring on the inner metal shell for the 4th assembly of the positive anti-plug USB connector of the application, and carries out Stereogram after dispensing；

Figure 18 is the stereogram after spot welding metal shell on the inner metal shell of the positive anti-plug USB connector of the application.

Specific embodiment

The positive anti-plug USB connector manufacture method of the application be USB3.1 Type c-type socket connectors, USB3.1 Type C is that the one kind formulated by USB-IF associations is intended to reduce product size to meet handheld mobile device demand, and can significantly simultaneously The new interface of promoting transmission rate.

Refer to shown in Fig. 1 to Fig. 6, the positive anti-plug USB connector manufacture method of the application includes first end subgroup 40, and institute State 40 integrally formed first insulator 50 of first end subgroup, Second terminal group 20, and 20 one city shape of the Second terminal group Into the second insulator 30, metal isolation in plate 60, by the metal isolate in plate 60 be shaped in the first end subgroup 40 and second the 3rd insulator 70 on insulator 50, by the first end subgroup 40, the first insulator 50, Second terminal group 20th, in the isolation of the second insulator 30, metal plate 60, the 3rd insulator 70 be integrally formed cladding for overall insulation crust 80, and It is installed on inner metal shell 12 outside the insulation crust 80, metal shell 11, water proof ring 14, metal fastenings 13, glue 15.

The first end subgroup 40 is shaped in plate 60 during the metal is isolated respectively with the Second terminal group 20 Upper and lower both sides, the signal that plate 60 is shielded between the first end subgroup 40 and Second terminal group 20 in isolating the metal are done Disturb.

Refer to shown in Fig. 4, Fig. 5, Fig. 7, the first end subgroup 40 include contact site 41, and with the contact site 41 1 The leg 42 of body, the contact site 41 include contact surface (non-label) and the bottom surface relative with the contact surface.It is described First insulator 50 is shaped in the first end subgroup 40 near 41 side of the contact site, and first insulator 50 exists The breach 51 of some up/down perforations, first insulator 50 are formed with the contact site 41 near 42 side of the leg Bottom surface side is into having some lateral channels 52, and the longitudinal channels 53 for connecting that cross with the lateral channel 52.

Refer to shown in Fig. 4, Fig. 5, Fig. 8, the Second terminal group 20 include contact site 21, and with the contact site 21 1 The leg 22 of body, the contact site 21 include contact surface (non-label) and the bottom surface relative with the contact surface, described Metal described in the underrun of the bottom surface of the contact site 41 of first end subgroup 40 and the contact site 21 of the Second terminal group 20 every It is oppositely arranged from middle plate 60.Second insulator 30 is shaped in the Second terminal group 20 near the contact site 21 1 Side, second insulator 50 the bottom surface side of the contact site 21 into have some lateral channels 31, and with the transverse groove Road 31 crosses the longitudinal channels 32 of connection.Some locating slots 33 are additionally provided with second insulator 30.

Refer to shown in Fig. 4-6, in the metal isolation, plate 60 includes main part 61, extends from 61 afterbody of the main part If the leg of formation 62, the through-Penetration portion 63 for being formed at 61 afterbody of the main part, the dry hole being formed on the main part 61 knot Structure 64, and it is formed at the recess 65 of 61 both lateral sides of the main part, is formed at the conflict of 61 front end both sides of the main part Portion 66, the pore structure 67 being formed on the inside of the contact part 66, and it is formed at the inner fovea part 69 of the main part front end.

Refer to shown in Fig. 4-12, in the metal isolation, plate 60 is attached at the first end subgroup 40 and the first insulator Below 50 the first assembly A for constituting, the pore structure 64 in metal isolation on the main part 61 of plate 60 is corresponding to described the At 51 position of insertion breach of one insulator 50.In injection mo(u)lding, plastic cement fluid is from above the first assembly A along Gap, the insertion breach 51 of the first plastic body 50 between one terminal group 40 infiltrates through downwards plate 60 and institute in the metal isolation State between the first assembly A.Part plastic cement fluid then may proceed to pass through the hole in the metal isolation on the main part 61 of plate 60 Structure 64, and the through-Penetration portion 63 of 61 afterbody of the main part enter the opposite side of plate 60 in metal isolation holding the gold Plate 60 and the first assembly A in category isolation.The 3rd insulator 70, the plastic cement are constituted after the plastic cement fluid shaping After pore structure 64 of the fluid in metal isolation is passed through on the main part 61 of plate 60, the through-Penetration portion 63 of 61 rear end of main part In the metal isolation, the opposite side of plate 60 forms protuberance 73, and the size of the protuberance 73 is more than plate in metal isolation 60 pore structure 64 and through-Penetration portion 63.3rd insulator 70 also includes being formed at the matrix on the upside of the first assembly A Portion 71, and the integrally formed extension 72 being contained at the insertion breach 51 of first insulator 50 in described matrix portion 71, institute State after protuberance 73 passes through the pore structure 64 from the extension 72 and formed.

Refer to shown in Fig. 3-5, Figure 11-15, the second combination being made up of the Second terminal group 20, the second insulator 30 Body B with it is described isolated by the first assembly A, the metal in plate 60, the 3rd insulator 70 collectively form the 3rd assembly C in note Before molded, (as shown in Fig. 3,11,12) are combined, now, first insulator the 50, the 3rd of the first assembly A Second insulator 30 of assembly C is respectively formed in the metal isolation lateral channel 52,31 of 60 side of plate, and vertical The longitudinal plastic cement stream for leading to the first end subgroup 40,20 front end contact site 41,21 of Second terminal group is constituted to conduit 53,32 Road, in the metal isolation, the recess 65 of 60 both lateral sides of plate constitutes the vertical plastic cement runner of above-below direction, the plastic cement stream Body can be flowed up simultaneously in the vertical plastic cement runner upper and lower along the recess 65 of 60 both sides of plate in metal isolation Flow in longitudinal plastic cement runner, so that the first end subgroup 40, the contact site of Second terminal group 20 in both lateral sides 41,21 sides can be integrally formed plastic body.Bag is formed after the second assembly B and the 3rd assembly C integrated injection moldings Second, third assembly B is overlying on, the insulation crust 80 outside C, the second assembly B, the 3rd assembly C pass through one The 4th assembly D being integrally formed after injection mo(u)lding.It is pore structure 67 in metal isolation at the contact part 66 of plate 60, and front It is molded by the plastic cement fluid perfusion in the inner fovea part 69 at end, is conducive to the group of 60 both sides of plate in metal isolation described in stable bond Part.The insulation crust 80 is coated on first, second, third assembly A, the B from outside integral molded plastic, outside C, makes connector Structure is more consolidated, meanwhile, product waterproof property is more projected.And the first end subgroup 40, Second terminal group 20 are located at Contact site 41,21 at 81 position of docking section is integrally formed in the insulation crust 80 jointly, increases the docking section 81 Globality, the contact site 41,21 are less also easy to produce the problem for releasing.

The 4th assembly D is included the docking section 81 docked with butt connector, is formed at 81 rear end of the docking section Holding parts 82, and be formed at the afterbody 83 of 82 rear end of the holding parts.83 external diameter of the afterbody is more than the holding parts 82 External diameter, and stage portion 85 is constituted between the afterbody 83 and the holding parts 82,85 rear end of the stage portion is provided with some opening Oral area 84 is used for the dispensing operation of marine glue 15.

Refer to shown in Figure 16-18, from front end, inner metal shell 12 is installed in insertion to the 4th assembly D, and in the gold Category inner casing 12 carries out dispensing operation with the rear end junction of the stage portion 85 and forms marine glue 15,85 rear end of the stage portion Opening portion 84 can carry out operation in order to point gum machine, also allow for the flowing of the glue.The metal shell 11 is from the described 4th The rear end of assembly D is forwardly inserted on the inner metal shell 12 and is welded in by the way of spot welding on the inner metal shell 12, Thus spot-welding part 110 is formed on the metal shell 11 with inner metal shell.And be arranged in the leading section of the inner metal shell 12 Water proof ring 14.

Emphasis is refering to shown in Fig. 7 to Figure 18, and is aided with reference to shown in Fig. 3-5, and positive anti-plug USB of the application described below connects Connect the manufacture method of device manufacture method：

Step one, offer first end subgroup 40, uniformity of the first end subgroup 40 for ease of holding conducting terminal, institute The rear and front end for stating first end subgroup 40 is connected to material strip 44,43；The first end subgroup 40 is carried out into injection mo(u)lding shape Into first insulator 50 of the first end subgroup 40 adjacent to 41 one end of the contact site is immobilizated in, first insulator 50 exists Rear end is formed with the breach 51 of some up/down perforations, and first insulator 50 is relative with contact surface in the contact site 41 Bottom surface forms some lateral channels 52, and the longitudinal channels 53 for connecting that cross with the lateral channel 52.After injection mo(u)lding, excision The material strip 44 of 40 front end of first end subgroup.The first end subgroup 40 constitutes the first assembly with first insulator 50 A；

Offer Second terminal group 20, uniformity of the Second terminal group 20 for ease of holding conducting terminal, described second The rear and front end of terminal group 20 is connected to material strip 24,23；The Second terminal group 20 is carried out into injection mo(u)lding and forms fixing The second insulator 30 in the Second terminal group 20, is formed with some locating slots 33 on second insulator 30, described Second insulator 30 the bottom surface relative with contact surface of the contact site 21 formed some lateral channels 31, and with it is described laterally Conduit 31 crosses the longitudinal channels 32 of connection.After injection mo(u)lding, the material strip 24 of 20 front end of Second terminal group is cut off；Described Two-terminal group 20 constitutes the second assembly B with second insulator 30；

Plate 60 in step 2, the first assembly A of offer and metal isolation, in the metal isolation, 60 front end of plate is connected with Material strip 68, in the metal isolation, plate 60 to be corresponded to and be provided with some pore structures 64 at 51 position of breach of first insulator 50, In the metal isolation, the rear end of plate 60 is provided with through-Penetration portion 63, and in the metal isolation, the both lateral sides of plate 60 cave inward to be formed Depressed part 65.During the metal is isolated, plate 60 is placed in the first assembly A and is provided with lateral channel 52 and longitudinal channels 53 1 Side, carries out injection mo(u)lding operation, and gap filling of the fluid plastic material between the first end subgroup 40 enters the metal Position predetermined between plate 60 and the first assembly A in isolation, and the fluid plastic cement continues through the metal isolation The through-Penetration portion 63 of the pore structure 64, rear end on the main part 61 of middle plate 60 is packed into the opposite side of plate 60 in the metal isolation, And the opposite side formation extension protuberance 73 of plate 60 is isolated with metal with holding the first assembly A in metal isolation Middle plate 60.After injection mo(u)lding, during the first assembly A is isolated with metal, plate 60 is solid by the 3rd insulator 70 of injection mo(u)lding Hold and be combined into the 3rd assembly C.After injection mo(u)lding, the material strip 43 of 40 rear end of first end subgroup is cut off；It is in being embodied as, described 3rd assembly C can also the second assembly B isolate with the metal in plate 60 be integrally formed after constitute；

Step 3：Second assembly B, the 3rd assembly C are provided, the second assembly B is attached at into the 3rd assembly C Metal isolation in plate 60 relative to the first assembly A opposite side, the material strip 68 of 60 front end of plate in now metal isolation May be constructed with the material strip 23 of 20 rear end of Second terminal group and the 3rd assembly C and second group are stably supported by automatic equipment The support material-strap structure of fit B.Leg 42 of the material strip 23 of 20 rear end of Second terminal group in the first end subgroup 40 The place of putting is formed with some receiving portions 231 to accommodate the leg 42 of the first end subgroup 40, makes first, second terminal group 40,20 leg 42,22 is on same solder side.3rd insulator 70 of the 3rd assembly C is located at the metal Protuberance 73 in isolation on the downside of plate 60 is positioned in the locating slot 33 of the second insulator 30 of the second assembly B.By institute Second, third assembly B is stated, C carries out injection mo(u)lding operation, and fluid plastic cement is via second, third assembly B, the metal of C The vertical plastic cement runner that the depressed part 65 of 60 both lateral sides of plate is constituted in isolation enters described by first, second insulator 50,30 longitudinal plastic cement that the lateral channel 52,31 of 60 side of plate is constituted with longitudinal channels 53,32 near metal isolation Runner, subsequently, the first, second of 60 both sides of plate in the metal isolation at the fluid plastic cement filling completely 81 position of the docking section The contact site 41 of terminal group 40,20, on the inside of 21, meanwhile, the pore structure 67 in the metal isolation on the contact part 66 of plate 60 is filled out Be conducive to holding first, second terminal group 40,20 in above-below direction full of plastic cement；After injection mo(u)lding, formed described the 2nd, the 3rd assembly B, the C insulation crust 80 that is integrated of fixing simultaneously generates the 4th new assembly D, meanwhile, cut off the metal The material strip 68 of 60 front end of plate in isolation；

Step 4：4th assembly D, metal fastenings 13, and inner metal shell 12 are provided, by the metal fastenings 13 from The 4th assembly D front ends are arranged on the holding parts 82, and the metal fastenings 13 adopts hatch frame, being inserted in Closing structure is combined into by the way of spot welding after stating on holding parts 82.Subsequently, by the inner metal shell 12 from described 4th group The front end of fit D is inserted in the stage portion 85 of the insulation crust 80, and in the inner metal shell 12 and the stage portion 85 Junction outer rim carries out dispensing operation, makes glue 15 cover the seam being sealed between the inner metal shell 12 and the stage portion 85 Gap.The opening portion 84 of 85 rear end of the stage portion leaves enough space for being smoothed out in the dispensing operation；Dispensing is completed Afterwards, cut off the material strip 23 of 20 afterbody of Second terminal group.

Step 5, offer metal shell 11, the metal shell 11 is inserted in above the inner metal shell 12 from rear end, and By way of spot welding, the metal shell 11 is fixed on the inner metal shell 12.

The first end subgroup 40, Second terminal group 20 are first noted by the application positive anti-plug USB connector manufacture method respectively Molded is first, second assembly A, B, then plate 60 is integrally formed structure during the first or second assembly is isolated with the metal Into the 3rd assembly C, most second, third assembly B at last, C are integrally formed composition by 80 integral coating of insulation crust 4th assembly D, it is to avoid existing in-mould injection moulding process cannot once by the first end subgroup 40, Second terminal group 20, And the defect that plate 60 is molded as one in metal isolation.

Claims (10)

1. a kind of positive anti-plug USB connector manufacture method, it is characterised in that comprise the steps：

Step one, provide first end subgroup, the first end subgroup include the leg of contact site and the contact site one and The material strip of the rear and front end of the first end subgroup is connected to, the first end subgroup is carried out into injection mo(u)lding and is formed the first insulation Body, after injection mo(u)lding, cuts off the material strip of the front end connection of the first end subgroup, the first end subgroup and the described first insulation Body constitutes the first assembly；

Second terminal group is provided, the Second terminal group includes the leg of contact site and the contact site one and is connected to institute The material strip of the rear and front end of first end subgroup is stated, the Second terminal group is carried out into injection mo(u)lding formation and is immobilizated in second end The second insulator in subgroup, after injection mo(u)lding, cuts off the material strip of the Second terminal group front end connection, the Second terminal group The second assembly is constituted with second insulator；

Plate in step 2, offer metal isolation, in the metal isolation, the front end of plate is connected with material strip, during the metal is isolated Plate is placed in the first assembly side, and during the material strip of the first end subgroup rear end connection is isolated with the metal, front edge of board connects The material strip for connecing is located at the contrary position of fore-and-aft direction respectively, and during first assembly is isolated with the metal, plate is molded Operations for forming, gap filling of the fluid plastic material between the first end subgroup enter in the metal isolation plate with it is described Between first assembly, predetermined position is solidified into the 3rd insulator；After injection mo(u)lding, the first end subgroup rear end is cut off The material strip of connection, during first assembly is isolated with the metal, plate constitutes the 3rd assembly；

Step 3：By the second assembly be attached at the 3rd assembly metal isolation in plate side, now the metal every Material strip and the material strip that the Second terminal group rear end connects from middle plate is located at the contrary position of fore-and-aft direction respectively, by described the 2nd, the 3rd assembly carries out injection mo(u)lding operation, and fluid plastic cement is flowed to will be described via plastic cement flow passage to predetermined position Second assembly and the 3rd assembly are coated on interior and are solidified into insulation crust, after injection mo(u)lding, described second, third assembly The 4th assembly is constituted, the 4th assembly includes docking section, the holding parts for being formed at the docking section rear end and formed In the afterbody of the holding parts rear end, between the afterbody and the holding parts, stage portion is formed.

2. anti-plug USB connector manufacture method as claimed in claim 1 positive, it is characterised in that first insulation is body formed The breach of up/down perforation is formed with described contact site one end, first insulator in the first end subgroup, it is described First insulator is also provided near plate side in metal isolation in the first end subgroup and connects in laterally and longitudinally direction Lateral channel and longitudinal channels.

3. anti-plug USB connector manufacture method as claimed in claim 2 positive, it is characterised in that set on second insulator There are some locating slots, second insulator is set near plate side in metal isolation in the contact site of the Second terminal group There is the lateral channel and longitudinal channels in the connection of laterally and longitudinally direction.

4. anti-plug USB connector manufacture method as claimed in claim 3 positive, it is characterised in that plate is horizontal in the metal isolation Depressed part is provided inwardly with to both sides, the depressed part constitutes vertical plastic cement runner, and first, second insulator is near the gold In category isolation, the lateral channel of plate side constitutes longitudinal plastic cement runner with longitudinal channels, when the insulation crust is molded, fluid modeling Above-below direction is along the vertical plastic cement flow passage and enters longitudinal plastic cement runner, the fluid plastic cement subsequently passes through glue Longitudinal plastic cement runner is packed between two contact sites of first, second terminal group of the docking section and solidifies.

5. anti-plug USB connector manufacture method as claimed in claim 4 positive, it is characterised in that plate in the metal isolation Front-end edge is provided with inner fovea part, and in the metal isolation, the front end both lateral sides of plate are provided with contact part, and the contact part is provided with hole Structure, the fluid plastic cement pass through the both sides up and down that the pore structure, inner fovea part connect plate in the metal isolation, and it is described right to make In the metal isolation of socket part, the contact site fixing of first, second terminal group of plate both sides is integrated.

6. anti-plug USB connector manufacture method as claimed in claim 1 or 2 positive, it is characterised in that plate in the metal isolation Including main part and it is formed at the through-Penetration portion of the main part afterbody, lacking on the main part correspondence first insulator Mouth is provided with some pore structures at position, and during described in step 2, the first assembly is isolated with the metal, plate injection moulding is the 3rd During assembly, fluid plastic cement along the gap of the first end subgroup of first assembly enter the metal isolation in plate with it is described Between first end subgroup, the pore structure on main part of the segment fluid flow plastic cement by plate in metal isolation is run through with afterbody Portion into the metal isolation in plate opposite side and solidify to form protuberance.

7. anti-plug USB connector manufacture method as claimed in claim 6 positive, it is characterised in that in step 3, described second group When zoarium is attached at three assemblys, the locating slot on second insulator to be housed and solidify shape on positioning the 3rd assembly Into protuberance.

8. anti-plug USB connector manufacture method as claimed in claim 1 positive, it is characterised in that methods described also includes step Four：

Cut off the material strip of front edge of board connection in the metal isolation of the 4th assembly；

Metal fastenings is provided, the metal fastenings is inserted on the holding parts from the 4th assembly front end, it is described Metal fastenings makes the metal fastening for non-occluded configuration, the metal fastenings by the way of spot welding before being inserted in after being inserted in Part becomes closing structure；

Inner metal shell is provided, the inner metal shell is inserted in into the stage portion from the 4th assembly front end, and at described Rank portion carries out dispensing operation with the outer rim of the junction of the inner metal shell, forms the sealing inner metal shell and the stage portion Between gap marine glue.

9. anti-plug USB connector manufacture method as claimed in claim 8 positive, it is characterised in that the stage portion rear end is provided with Opening, the dispensing operation in the step 4 are carried out by the space of the opening.

10. anti-plug USB connector manufacture method as claimed in claim 8 positive, it is characterised in that methods described also includes step Five：

Cut off the material strip of the Second terminal group rear end connection；

Metal shell is provided, the metal shell is inserted in above the inner metal shell from rear end, and is made by way of spot welding The metal shell is fixed on the inner metal shell；

Water proof ring is provided, the water proof ring is inserted in into the inner metal shell front end.