WO2020001461A1 - 防水usb插座及其制造方法 - Google Patents

防水usb插座及其制造方法 Download PDF

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Publication number
WO2020001461A1
WO2020001461A1 PCT/CN2019/092941 CN2019092941W WO2020001461A1 WO 2020001461 A1 WO2020001461 A1 WO 2020001461A1 CN 2019092941 W CN2019092941 W CN 2019092941W WO 2020001461 A1 WO2020001461 A1 WO 2020001461A1
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WO
WIPO (PCT)
Prior art keywords
metal
plastic body
spot welding
usb socket
blocking member
Prior art date
Application number
PCT/CN2019/092941
Other languages
English (en)
French (fr)
Inventor
顾远文
Original Assignee
深圳市长盈精密技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 深圳市长盈精密技术股份有限公司 filed Critical 深圳市长盈精密技术股份有限公司
Priority to US16/770,702 priority Critical patent/US11081834B2/en
Publication of WO2020001461A1 publication Critical patent/WO2020001461A1/zh

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    • 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
    • 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
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert
    • 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]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • 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
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact 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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • 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
    • 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
    • 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
    • H01R13/648—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]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing

Definitions

  • the present application relates to the field of connectors, and in particular to a waterproof USB socket and a manufacturing method thereof.
  • the USB socket generally includes a connector and a metal shell sleeved on the periphery of the connector.
  • the metal shell is provided with a receiving cavity for inserting a plug.
  • the metal shell is generally punched inward to form a plurality of blocking pieces for resisting the metal shell of the plug. In this way, the metal shell of the socket forms a penetrating hole structure, which cannot Be waterproof.
  • the present application provides a waterproof USB socket, which includes a connector, a metal shell sleeved on the periphery of the connector, a waterproof glue filled on the tail of the connector, and a sleeve
  • the waterproof ring on the periphery of the metal shell, the connector includes a metal middle plate, first and second terminal groups placed on the upper and lower sides of the metal middle plate, and the metal middle plate, first and second terminals
  • the insulating body includes a base body portion, a step portion extending forward from the base portion, and a butt portion extending forward from the step portion.
  • the metal shell includes a peripheral wall without A metal inner shell with a gap, and a blocking member is integrally formed on the base portion of the insulating body.
  • the blocking member includes a spot welding platform and extends downward from the front of the spot welding platform to form a front surface of the base portion.
  • the spot welding platform of the blocking member is in contact with the metal inner shell and is spot-welded and fixed together.
  • the insulating body includes a first plastic body, a second plastic body, and a third plastic body, and the first plastic body forms the first terminal group, a metal middle plate, and a blocking member into one body; A second plastic body forms the second terminal group and another blocking member into one body; the third plastic body forms the first and second plastic body into one body.
  • the first and second plastic bodies are respectively provided with receiving grooves at positions corresponding to the base portion, and the lateral sides of the receiving grooves are removed to form a removing portion, and the receiving grooves correspond to the receiving portions.
  • the base portion extends to the front end surface at a position.
  • the blocking member further includes a first embedded portion that is bent in parallel after bending downward from two lateral sides of the spot welding platform to form a first embedded portion, and the first embedded portion forms a vertical portion and a horizontal portion.
  • the longitudinal rear end of the spot welding platform is bent downward to form a third embedded portion; the lateral sides of the abutment portion are bent toward the spot welding platform to form a second embedded portion.
  • the blocking member is integrally formed in the accommodating groove, the second embedding portion and the third embedding portion are embedded in the first or second plastic body; a horizontal portion at the bottom end of the first embedding portion is embedded In the first or second plastic body, the vertical portion is exposed at a position of the removal portion.
  • the third plastic body fills the removal portion and completely covers and embeds the vertical portion.
  • the metal shell further includes first and second metal shells for clamping the metal inner shell up and down, and the first and second metal shells are spot-welded and fixed to the metal inner shell.
  • the first and second metal shells respectively extend laterally to form ears, and a fixing hole is formed in the middle of the ears.
  • the present application also provides a method for manufacturing a waterproof USB socket, including the following steps:
  • the metal outer shell is clamped outside the metal inner shell and spot-welded and fixed together.
  • the present application also provides a waterproof USB socket, which includes a connector, a metal shell sleeved on the periphery of the connector, a waterproof rubber filled on the tail of the connector, and a sleeve
  • the waterproof ring on the periphery of the metal shell, the connector includes a metal middle plate, first and second terminal groups placed on the upper and lower sides of the metal middle plate, and the metal middle plate, first and second The terminal group is held as an integrated insulating body.
  • the insulating body includes a base portion, a step portion extending forward from the base portion, and a butt portion extending forward from the step portion.
  • the metal shell includes a peripheral wall.
  • a seamless metal inner shell, and a blocking member is inserted into the base portion of the insulating body.
  • the blocking member includes a spot welding platform and is bent and extended from the front of the spot welding platform to form a front end of the base portion.
  • the spot welding platform of the blocking member is in contact with the metal inner shell and is spot-welded and fixed.
  • the insulating body includes a first plastic body, a second plastic body, and a third plastic body, and the first plastic body forms the first terminal group and the metal middle plate into one body; the second plastic body The second terminal is integrally formed.
  • the first and second plastic bodies are respectively provided with a receiving platform at a position corresponding to the base portion, and the lateral sides of the receiving platform are removed to form a removing portion, and the removing portion is provided with a card hole.
  • the blocking member further includes a first inserting portion that is bent again in parallel after bending downward from the lateral sides of the spot welding platform to form a vertical portion, a horizontal portion, and a first inserting portion inserted into the card hole. Barb.
  • a slot is provided at the rear edge of the receiving platform, a positioning block is provided at the front surface of the receiving platform, and the longitudinal rear end of the spot welding platform is bent downward to form a first slot inserted into the slot.
  • the blocking member is inserted into the receiving platform, the barb is inserted into the card hole, and the vertical portion and the horizontal portion are exposed at the position of the removal portion.
  • the third plastic body forms the first and second plastic bodies and the two blocking members into one body, and the third plastic body fills the removal portion and avoids space so that The first and second embedding portions are completely embedded and held in the third plastic body.
  • the metal shell further includes first and second metal shells for clamping the metal inner shell up and down, and the first and second metal shells are spot-welded and fixed to the metal inner shell.
  • the first and second metal shells respectively extend laterally to form ears, and a fixing hole is formed in the middle of the ears.
  • the present application also provides a method for manufacturing a waterproof USB socket, including the following steps:
  • S02. Provide a stamped blocking member, and insert the blocking member on the receiving platform of the first and second plastic bodies, respectively;
  • the first plastic body and the second plastic body are stacked on top of each other and subjected to a third in-mold injection molding to form the third plastic body. At this time, the third plastic body completely fills the first and first plastic bodies.
  • the removal part and the avoiding space of the two plastic bodies enable the blocking member to be more closely held with the plug-in member as a whole;
  • the metal outer shell is clamped outside the metal inner shell and spot-welded and fixed together.
  • the prior art avoids the need to press the metal inner shell to form a blocking piece at the corresponding position, which causes the metal inner shell to generate a gap or hole.
  • FIG. 1 is a perspective assembled view of a waterproof USB socket according to a first embodiment of the present application
  • FIG. 2 is an exploded perspective view of a waterproof USB socket according to a first embodiment of the present application
  • FIG. 3 is a perspective view of a connector of a waterproof USB socket according to a first embodiment of the present application
  • FIG. 4 is a cross-sectional view taken along a dashed line A-A shown in FIG. 1;
  • FIG. 5 is a perspective view of a blocking member of a waterproof USB socket according to a first embodiment of the present application
  • FIG. 6 is a perspective view of a first plastic body of a waterproof USB socket according to a first embodiment of the present application
  • FIG. 7 is a combined view of a blocking member, a metal middle plate, a first terminal group, and a first plastic body of a waterproof USB socket according to a first embodiment of the present application;
  • FIG. 8 is a combination diagram of a blocking member, a second terminal group, and a second plastic body of a waterproof USB socket according to a first embodiment of the present application;
  • FIG. 9 is a perspective view of the first plastic body and the second plastic body of the waterproof USB socket according to the embodiment of the present application, which are stacked and integrated;
  • FIG. 10 is a perspective view of a blocking member of a waterproof USB socket according to Embodiment 2 of the present application.
  • FIG. 11 is a perspective view of a first plastic body of a waterproof USB socket according to the second embodiment of the present application.
  • FIG. 12 is a perspective view of assembling and fixing the blocking member of the waterproof USB socket on the first and second plastic parts according to the second embodiment of the present application;
  • FIG. 13 is a perspective view of a third plastic part in which the first and second plastic parts are formed into one body by the waterproof USB socket according to the second embodiment of the present application.
  • the waterproof USB socket of the present application includes a connector A, a metal shell 10 sleeved on the periphery of the connector A, a waterproof glue filled in a tail of the connector A, and The waterproof ring 113 is sleeved on the front end of the metal shell 10.
  • the connector A includes a terminal group 20, 30, a metal middle plate 70, and an insulating body 40 formed by integrally forming the terminal group 20, 30 and the metal middle plate 70.
  • the insulating body 40 includes a base portion 42, a step portion 43 formed from the base portion 42 and a mating portion 41 formed from the step portion 43.
  • the terminal groups 20 and 30 are partially exposed on the upper and / or lower surfaces of the mating portion 41 to make electrical contact with the mating connector.
  • the metal shell 10 includes a metal inner shell 11 sleeved around the periphery of the insulating body 40, and a first metal shell 12 and a second metal shell 13 sandwiching the metal inner shell 11 up and down.
  • the metal inner shell 11 includes a peripheral wall 111, a plugging cavity 114 surrounded by the peripheral wall 111, a stopper 112 formed by folding outward from the front end of the peripheral wall 111, and being sleeved on the outer periphery of the peripheral wall 111. And is limited to a waterproof ring located inside the blocking portion 112.
  • the first and second metal outer shells 12 and 13 sandwich the metal inner shell 11 up and down and are fixed to the metal inner shell 11 by surface spot welding.
  • the lateral sides of the first and second metal shells 12 and 13 respectively extend to form ear portions 14, and a fixing hole 15 is defined in the middle of the ear portions 14.
  • a protective portion 16 is formed at the rear end of the second metal casing 13 to protect the soldering pins of the terminal groups 20 and 30.
  • the outer periphery of the base portion 42 of the insulating body 40 is in contact with the inner surface of the metal inner shell 11, and the connector A further includes the upper and lower surfaces of the base portion 42 and is at 11 points from the metal inner shell. Welded as a single barrier 50.
  • the terminal groups 20 and 30 include a first terminal group 20 and a second terminal group 30 located on the upper and lower sides of the metal middle plate 70.
  • the insulating body 40 includes a first plastic body 44, a second plastic body 45 and a third plastic body 46.
  • the first plastic body 44 forms the first terminal group 20, the metal middle plate 70, and a blocking member 50 into one body.
  • the second plastic body 45 forms the second terminal group 30 and another blocking member 50.
  • the third plastic body 46 forms the first and second plastic bodies 44 and 45 into one body.
  • the blocking member 50 includes a spot welding platform 51 and a resisting portion 52 formed by bending forward from the spot welding platform 51.
  • the spot welding platform 51 is folded downward on both sides in the lateral direction, it is bent again in parallel to form a first embedding portion 54, so that the first embedding portion 54 forms a vertical portion 541 and a horizontal portion 542; the spot welding platform 51
  • the longitudinal rear end is bent downward to form a third embedding portion 55; the lateral sides of the resisting portion 52 are bent toward the spot welding platform 51 to form a second embedding portion 53.
  • the first and second plastic bodies 44 and 45 are respectively provided with receiving grooves 441 at positions corresponding to the base portion 42, and the receiving grooves 441 are laterally removed from both sides.
  • a removal portion 442 is formed.
  • the receiving groove 441 extends from a position corresponding to the base portion 42 to the front end surface.
  • the blocking member 50 is integrally formed in the receiving groove 441, and the second embedding portion 53 and the third embedding portion 55 are embedded in the first or second plastic bodies 44, 45; the first embedding portion A horizontal portion 542 at the bottom of 54 is embedded in the first or second plastic body 44, 45, and the vertical portion 541 is exposed at the position of the removal portion 442.
  • the third plastic body 46 completely covers and embeds the vertical portion 541.
  • the spot welding platform 51 of the stopper 50 and the metal inner shell 11 are spot welded into one body by spot welding.
  • the resisting portion 52 of the blocking member 50 is used to resist the pressing force from the docking plug and transmit the pressing force to the metal inner shell 11, and the metal inner shell 11 transmits the pressing force.
  • the metal inner shell 11 does not need to be punched to form a blocking portion, and there is no need to break holes.
  • the metal inner shell 11 is manufactured by a drawing process, and there is no gap in the peripheral wall 111 of the metal inner shell 11.
  • the third plastic body 46 includes a front end portion 461 which forms the first and second plastic bodies 44 and 45 into one body and the first and second terminal groups.
  • the rear ends at 20 and 30 are formed into an integrated rear end portion 462, and the front end portion 461 and the rear end portion 462 are independent of each other and are not connected by plastic.
  • a sol space 463 is formed between the front end portion 461 and the rear end portion 462.
  • the sol space 463 is coated with a waterproof glue 60, which tightly wraps the first and second terminal groups 20, 30, and is closely combined with the inner wall of the metal inner shell 11 to form a waterproof layer to achieve waterproofing.
  • the manufacturing method of the waterproof USB socket of the present application is as follows:
  • the first plastic body 44 and the second plastic body 45 are stacked on top of each other for a third in-mold injection molding to form the third plastic body 46. At this time, the connector A is completed.
  • the metal outer shells 12 and 13 are clamped outside the metal inner shell 11 and fixed by spot welding.
  • the implementation of the waterproof USB socket in this embodiment uses a USB3.1 Type C socket as an example for detailed description.
  • the implementation of this embodiment is not limited to USB3.1 Type C sockets, and is also applicable to general USB sockets, that is, the difference between general USB sockets is that the connector A only includes a terminal group on one side, and there is no need to set the Metal middle plate, and the insulation body is only one injection molding.
  • the first inserting portion 54 of the blocking member 50 in this embodiment further includes a barb 543 formed by bending and extending downward from the horizontal portion 542.
  • the second inserting portion 53 further includes a latching portion 531 formed by bending vertically from an end of the second inserting portion 53.
  • the blocking portion 52 of the blocking member 50 is further provided with a positioning notch 56.
  • the receiving grooves 441 at the positions corresponding to the first and second plastic bodies 44 and 45 corresponding to the base portion 42 are receiving platforms 441 in the second embodiment.
  • a clamping hole 443 is provided in the removal portion 442 on the laterally outer side of the receiving platform 441, a rearward edge of the receiving platform 441 is provided with a locking slot 444 for inserting the third inserting portion 55, and a front end surface of the receiving platform 441
  • a positioning block 445 is provided to cooperate with the positioning notch 56 of the blocking member 50, and an escape space 446 is formed at the front end of the removal portion 442 to accommodate the second insertion portion 53.
  • the blocking member 50 is inserted into the accommodating platform 441.
  • the barb 543 of the first embedding portion 54 of the blocking member 50 is locked into the fixing hole 443 and the second embedding portion 53 is received in the receiving platform 441.
  • the third embedding portion 55 is inserted into the card slot 444, and the positioning notch 56 cooperates with the positioning block 445 on the front surface of the receiving platform 441.
  • S02. Provide a stamped blocking member 50, and insert the blocking member 50 into the receiving platforms 441 of the first and second plastic bodies 44, 45, respectively.
  • the retaining method is as described above, and is not repeated here.
  • the first plastic body 44 and the second plastic body 45 are stacked on top of each other for a third in-mold injection molding to form the third plastic body 46. At this time, the third plastic body 46 is completely filled with the The removal portions 442 and the avoidance spaces 446 of the first and second plastic bodies 44 and 45 enable the blocking member 50 to be more tightly integrated with the plug-in member A;
  • the metal outer shells 12 and 13 are clamped outside the metal inner shell 11 and fixed by spot welding.

Abstract

一种防水USB插座，包括插接件、套设于插接件外围的金属壳、填充于所述插接件尾部的防水胶及套设于所述金属壳外围的防水圈，所述插接件包括金属中板、置于所述金属中板上下两侧的第一、第二端子组及将所述金属中板、第一、第二端子组固持为一体的绝缘本体，所述绝缘本体包括基体部、自所述基体部前向延伸形成的台阶部及自所述台阶部前向延伸形成的对接部，所述金属壳包括外围壁无缝隙的金属内壳，所述绝缘本体的基体部上一体成型有阻挡件，所述阻挡件包括点焊平台及自所述点焊平台前向折弯向下延伸形成位于所述基体部前端面的抵挡部，所述阻挡件的点焊平台与所述金属内壳接触并点焊固定于一体。本申请还提供了一种防水USB插座的制造方法。

Description

防水USB插座及其制造方法 技术领域
本申请涉及连接器领域，尤指一种防水USB插座及其制造方法。
背景技术
USB插座一般包括插接件及套设于所述插接件外围的金属外壳，所述金属外壳设有收容腔用于插头的插入。为了防止插头的过度插入而损坏插座，所述金属外壳一般会向内冲压形成若干用于抵挡插头金属外壳的挡片，如此一来，所述插座的金属外壳形成了穿透的孔结构，无法做到防水。
发明内容
鉴于此，有必要提供一种防水性能良好的防水USB插座及其制造方法。
为解决上述技术问题，本申请提供了一种防水USB插座，包括插接件、套设于所述插接件外围的金属壳、填充于所述插接件尾部的防水胶及套设于所述金属壳外围的防水圈，所述插接件包括金属中板、置于所述金属中板上下两侧的第一、第二端子组及将所述金属中板、第一、第二端子组固持为一体的绝缘本体，所述绝缘本体包括基体部、自所述基体部前向延伸形成的台阶部及自所述台阶部前向延伸形成的对接部，所述金属壳包括外围壁无缝隙的金属内壳，所述绝缘本体的基体部上一体成型有阻挡件，所述阻挡件包括点焊平台及自所述点焊平台前向折弯向下延伸形成位于所述基体部前端面的抵挡部，所述阻挡件的点焊平台与所述金属内壳接触并点焊固定于一体。
优选地，所述绝缘本体包括第一塑胶体、第二塑胶体及第三塑胶体，所述第一塑胶体将所述第一端子组、金属中板及一个阻挡件成型为一体；所述第二 塑胶体将所述第二端子组及另一个阻挡件成型为一体；所述第三塑胶体将所述第一、第二塑胶体成型为一体。
优选地，所述第一、第二塑胶体在对应所述基体部位置处分别设有容纳凹槽、所述容纳凹槽的横向两侧去除形成去除部，所述容纳凹槽自对应所述基体部位置处延伸至前端面上。
优选地，所述阻挡件还包括自所述点焊平台横向两侧向下折弯后再次平行折弯形成第一嵌入部，所述第一嵌入部形成竖直部及水平部。
优选地，所述点焊平台的纵向后端向下折弯形成第三嵌入部；所述抵挡部横向两侧朝向所述点焊平台方向折弯形成第二嵌入部。
优选地，所述阻挡件一体成型于所述容纳凹槽内，所述第二嵌入部、第三嵌入部嵌入所述第一或第二塑胶体内；所述第一嵌入部底端的水平部嵌入所述第一或第二塑胶体内，所述竖直部露出于所述去除部位置处。
优选地，将所述第一、第二塑胶体叠加后再次成型时，所述第三塑胶体填充满所述去除部并将所述竖直部完全覆盖嵌入。
优选地，所述金属壳还包括将所述金属内壳上下夹持的第一、第二金属外壳，所述第一、第二金属外壳点焊固定于所述金属内壳上。
优选地，所述第一、第二金属外壳横向两侧分别延伸形成耳部，所述耳部中间开设有固定孔。
为解决上述技术问题，本申请还提供了一种防水USB插座的制造方法，包括如下步骤：
S01、提供冲压好的第一端子组、金属中板与阻挡件进行第一次模内注塑成型形成所述第一塑胶体；提供冲压好的第二端子组、另一阻挡件进行第二次模内注塑成型形成所述第二塑胶体；
S02、将所述第一塑胶体与所述第二塑胶体上下叠加进行第三次模内注塑成型形成所述第三塑胶体，完成插接件的制造；
S03、将所述插接件套入所述金属内壳内，并通过点焊的方式，将所述金 属内壳与所述阻挡件的点焊平台焊接为一体；
S04、将所述金属外壳夹持于所述金属内壳外并点焊固定于一体。
为解决上述技术问题，本申请还提供了一种防水USB插座，包括插接件、套设于所述插接件外围的金属壳、填充于所述插接件尾部的防水胶及套设于所述金属壳外围的防水圈，所述插接件包括金属中板、置于所述金属中板上下两侧的第一、第二端子组及将所述金属中板、第一、第二端子组固持为一体的绝缘本体，所述绝缘本体包括基体部、自所述基体部前向延伸形成的台阶部及自所述台阶部前向延伸形成的对接部，所述金属壳包括外围壁无缝隙的金属内壳，所述绝缘本体的基体部上插装有阻挡件，所述阻挡件包括点焊平台及自所述点焊平台前向折弯向下延伸形成位于所述基体部前端面的抵挡部，所述阻挡件的点焊平台与所述金属内壳接触并点焊固定于一体。
优选地，所述绝缘本体包括第一塑胶体、第二塑胶体及第三塑胶体，所述第一塑胶体将所述第一端子组、金属中板成型为一体；所述第二塑胶体将所述第二端子组成型为一体。
优选地，所述第一、第二塑胶体在对应所述基体部位置处分别设有容纳平台、所述容纳平台的横向两侧去除形成去除部，所述去除部上设有卡孔，所述阻挡件还包括自所述点焊平台横向两侧向下折弯后再次平行折弯形成第一嵌入部，所述第一嵌入部形成竖直部、水平部及插入所述卡孔内的倒钩。
优选地，所述去除部前端设有避让空间，所述抵挡部横向两侧朝向所述点焊平台方向折弯形成收容于所述避让空间内的第二嵌入部，所述第二嵌入部还包括自所述第二嵌入部端部垂直折弯形成的卡部。
优选地，所述容纳平台后端缘设有卡槽，所述容纳平台的前端面上设有定位块，所述点焊平台的纵向后端向下折弯形成插入所述卡槽内的第三嵌入部；所述阻挡件的抵挡部还开设有与所述定位块配合的定位缺口。
优选地，所述阻挡件插装于所述容纳平台内，所述倒钩插入所述卡孔内，所述竖直部、水平部露出于所述去除部位置处。
优选地，所述第三塑胶体将所述第一、第二塑胶体及两个阻挡件成型为一体，所述第三塑胶体填充满所述去除部、避让空间以将所述阻挡件的第一、第二嵌入部完全嵌入所述第三塑胶体内固持。
优选地，所述金属壳还包括将所述金属内壳上下夹持的第一、第二金属外壳，所述第一、第二金属外壳点焊固定于所述金属内壳上。
优选地，所述第一、第二金属外壳横向两侧分别延伸形成耳部，所述耳部中间开设有固定孔。
为解决上述技术问题，本申请还提供了一种防水USB插座的制造方法，包括如下步骤：
S01、提供冲压好的第一端子组及金属中板进行第一次模内注塑成型形成所述第一塑胶体；提供冲压好的第二端子组进行第二次模内注塑成型形成所述第二塑胶体；
S02、提供冲压好的阻挡件，将所述阻挡件分别插入所述第一、第二塑胶体的容纳平台上；
S03、将所述第一塑胶体与所述第二塑胶体上下叠加进行第三次模内注塑成型形成所述第三塑胶体，此时，第三塑胶体完全填充满所述第一、第二塑胶体的去除部与避让空间使所述阻挡件更紧密地与所述插接件固持为一体；
S04、将所述插接件套入所述金属内壳内，并通过点焊的方式，将所述金属内壳与所述阻挡件的点焊平台焊接为一体；
S05、将所述金属外壳夹持于所述金属内壳外并点焊固定于一体。
本申请通过在所述绝缘本体的基体部上设置阻挡件以阻挡插头过度插入的问题，避免了现有技术需要通过金属内壳在相应位置冲压形成挡片而造成金属内壳产生缝隙或孔洞而无法防水的问题。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请实施例一防水USB插座的立体组合图；
图2为本申请实施例一防水USB插座的立体分解图；
图3为本申请实施例一防水USB插座的插接件的立体图；
图4为沿图1所示A-A虚线的剖视图；
图5为本申请实施例一防水USB插座的阻挡件的立体图；
图6为本申请实施例一防水USB插座的第一塑胶体的立体图；
图7为本申请实施例一防水USB插座的一个阻挡件、金属中板、第一端子组与第一塑胶体的结合图；
图8为本申请施例一防水USB插座的一个阻挡件、第二端子组与第二塑胶体的结合图；
图9为本申请施例一防水USB插座的第一塑胶体与第二塑胶体成型后叠置于一体的立体图；
图10为本申请实施例二防水USB插座的阻挡件的立体图；
图11为本申请实施例二防水USB插座的第一塑胶体的立体图；
图12为本申请实施例二防水USB插座的阻挡件组装固定于所述第一、第二塑胶件上的立体图；
图13为本申请实施例二防水USB插座将所述第一、第二塑胶件成型于一体的第三塑胶件的立体图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然，所描述的 实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
实施例一
请参阅图1至图9所示，本申请的防水USB插座包括插接件A、套设于所述插接件A外围的金属壳10、填充于所述插接件A尾部的防水胶及套设于所述金属壳10前端部的防水圈113。
所述插接件A包括端子组20，30、金属中板70及将所述端子组20，30与金属中板70成型为一体的绝缘本体40。所述绝缘本体40包括基体部42、自所述基体部42前向延伸形成的台阶部43及自所述台阶部43前向延伸形成的对接部41。所述端子组20，30部分露出于所述对接部41的上和/或下表面以与对接连接器电性接触。
所述金属壳10包括套设于所述绝缘本体40外围的金属内壳11及上下夹持所述金属内壳11的第一金属外壳12与第二金属外壳13。所述金属内壳11包括外围壁111、所述外围壁111围设成的插接腔114、自所述外围壁111前端向外翻折形成的挡部112及套设于所述外围壁111外周且限位于所述挡部112内侧的防水圈。
所述第一、第二金属外壳12，13上下夹持所述金属内壳11并通过表面点焊的方式与所述金属内壳11固定。所述第一、第二金属外壳12，13横向两侧分别延伸形成耳部14，所述耳部14中间开设有固定孔15。所述第二金属外壳13的后端还延伸形成有保护所述端子组20，30焊脚的保护部16。
所述绝缘本体40的基体部42的外周与所述金属内壳11的内表面贴合，所述插接件A还包括设于所述基体部42上下表面且与所述金属内壳11点焊为一体的阻挡件50。
所述端子组20，30包括位于所述金属中板70上下两侧的第一端子组20与第二端子组30。
所述绝缘本体40包括第一塑胶体44、第二塑胶体45及第三塑胶体46。所述第一塑胶体44将所述第一端子组20、金属中板70及一个阻挡件50成型为一体；所述第二塑胶体45将所述第二端子组30及另一个阻挡件50成型为一体；所述第三塑胶体46将所述第一、第二塑胶体44，45成型为一体。
重点参阅图5所示，所述阻挡件50包括点焊平台51及自所述点焊平台51前向折弯形成的抵挡部52。所述点焊平台51横向两侧向下折弯后再次平行折弯形成第一嵌入部54，由此所述第一嵌入部54形成竖直部541及水平部542；所述点焊平台51的纵向后端向下折弯形成第三嵌入部55；所述抵挡部52横向两侧朝向所述点焊平台51方向折弯形成第二嵌入部53。
继续参阅图6、图7所示，所述第一、第二塑胶体44，45在对应所述基体部42位置处分别设有容纳凹槽441、所述容纳凹槽441的横向两侧去除形成去除部442。所述容纳凹槽441自对应所述基体部42位置处延伸至前端面上。所述阻挡件50一体成型于所述容纳凹槽441内，所述第二嵌入部53、第三嵌入部55嵌入所述第一或第二塑胶体44，45内；所述第一嵌入部54底端的水平部542嵌入所述第一或第二塑胶体44，45内，所述竖直部541露出于所述去除部442位置处。
将所述第一、第二塑胶体44，45叠加后再次成型时，所述第三塑胶体46将所述竖直部541完全覆盖嵌入。
当所述插接件A套入所述金属内壳11后，通过点焊的方式将所述阻挡件50的点焊平台51与所述金属内壳11点焊为一体，如此，当对接插头插入后，所述阻挡件50的抵挡部52用于抵挡来自所述对接插头的挤压力，并将该挤压力传递给金属内壳11，而金属内壳11则将该挤压力传递给金属外壳12，13。由此，无需在所述金属内壳11上冲压形成挡部，而无需破孔，同时，所述金属内壳11通过抽引工艺制造，所述金属内壳11的外围壁111不存在缝隙。
请继续参阅图4、图13所示，所述第三塑胶体46包括将所述第一、第二塑胶体44，45成型为一体的前端部461及将所述第一、第二端子组20，30后端 成型为一体的后端部462，所述前端部461与后端部462相互独立，不通过塑胶连接。由此在所述前端部461与后端部462之间形成溶胶空间463，所述溶胶空间463涂抹有防水胶60，所述防水胶60紧紧包裹所述第一、第二端子组20，30，并与所述金属内壳11的内壁紧密结合构成防水层以实现防水。
本申请的防水USB插座的制造方法如下：
S01、提供冲压好的第一端子组20、金属中板70与阻挡件50进行第一次模内注塑成型形成所述第一塑胶体44；提供冲压好的第二端子组30、另一阻挡件50进行第二次模内注塑成型形成所述第二塑胶体45；
S02、将所述第一塑胶体44与所述第二塑胶体45上下叠加进行第三次模内注塑成型形成所述第三塑胶体46，此时，所述插接件A完成制造；
S03、将所述插接件A套入所述金属内壳11内，并通过点焊的方式，将所述金属内壳11与所述阻挡件50的点焊平台51焊接为一体；
S04、将所述金属外壳12，13夹持于所述金属内壳11外并点焊固定于一体。
本实施例中的防水USB插座的实施选用了USB3.1 Type C插座为例进行了详细描述。同时，本实施例的实施不限于USB3.1 Type C插座，同时适用于一般USB插座，即一般USB插座的区别在于所述插接件A仅包括一个侧面上的端子组，且无需设置所述金属中板，而绝缘本体也仅为一次注塑成型。实施时，仅需在一次注塑成型时，在绝缘本体的基体部上嵌入所述阻挡件即可，再将所述阻挡件与金属内壳点焊为一体即可。
实施例二
请参阅图10至图13所示，本实施例的阻挡件50的第一嵌入部54还包括自所述水平部542向下折弯延伸形成的倒钩543。所述第二嵌入部53还包括自所述第二嵌入部53端部垂直折弯形成的卡部531。所述阻挡件50的抵挡部52还开设有定位缺口56。
实施例一中，所述第一、第二塑胶体44，45对应所述基体部42位置处的容纳凹槽441在实施例二中为容纳平台441。所述容纳平台441横向外侧的去 除部442上设有卡孔443，所述容纳平台441后端缘设有供所述第三嵌入部55插入的卡槽444，所述容纳平台441的前端面上设有与所述阻挡件50的定位缺口56配合的定位块445，所述去除部442前端设有容纳所述第二嵌入部53的避让空间446。所述阻挡件50是插入所述容纳平台441上的，所述阻挡件50的第一嵌入部54的倒钩543卡入所述卡孔443内固定，所述第二嵌入部53容纳于所述避让空间446内，所述第三嵌入部55插入所述卡槽444内，所述定位缺口56配合所述容纳平台441前端面的定位块445。
实施例二防水USB插座的制造方法如下：
S01、提供冲压好的第一端子组20及金属中板70进行第一次模内注塑成型形成所述第一塑胶体44；提供冲压好的第二端子组30进行第二次模内注塑成型形成所述第二塑胶体45；
S02、提供冲压好的阻挡件50，将所述阻挡件50分别插入所述第一、第二塑胶体44，45的容纳平台441上，扣持方式如上所述，此处不再赘述；
S03、将所述第一塑胶体44与所述第二塑胶体45上下叠加进行第三次模内注塑成型形成所述第三塑胶体46，此时，第三塑胶体46完全填充满所述第一、第二塑胶体44，45的去除部442与避让空间446使所述阻挡件50更紧密地与所述插接件A固持为一体；
S04、将所述插接件A套入所述金属内壳11内，并通过点焊的方式，将所述金属内壳11与所述阻挡件50的点焊平台51焊接为一体；
S05、将所述金属外壳12，13夹持于所述金属内壳11外并点焊固定于一体。
还需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、商品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、商品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个......”限定的要素，并不排除在包括所述要素的过程、方法、商品或者设备中还存在另外的相同要素。
以上所述仅为本申请的实施例而已，并不用于限制本申请。对于本领域技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本申请的权利要求范围之内。

Claims (20)

  1. 一种防水USB插座，包括插接件、套设于所述插接件外围的金属壳、填充于所述插接件尾部的防水胶及设于所述金属壳外围的防水圈，所述插接件包括金属中板、置于所述金属中板上下两侧的第一、第二端子组及将所述金属中板、第一、第二端子组固持为一体的绝缘本体，所述绝缘本体包括基体部、自所述基体部前向延伸形成的台阶部及自所述台阶部前向延伸形成的对接部，所述金属壳包括外围壁无缝隙的金属内壳，其特征在于，所述绝缘本体的基体部上一体成型有阻挡件，所述阻挡件包括点焊平台及自所述点焊平台前向折弯向下延伸形成位于所述基体部前端面的抵挡部，所述阻挡件的点焊平台与所述金属内壳接触并点焊固定于一体。
  2. 如权利要求1所述的防水USB插座，其特征在于，所述绝缘本体包括第一塑胶体、第二塑胶体及第三塑胶体，所述第一塑胶体将所述第一端子组、金属中板及一个阻挡件成型为一体；所述第二塑胶体将所述第二端子组及另一个阻挡件成型为一体；所述第三塑胶体将所述第一、第二塑胶体成型为一体。
  3. 如权利要求2所述的防水USB插座，其特征在于，所述第一、第二塑胶体在对应所述基体部位置处分别设有容纳凹槽、所述容纳凹槽的横向两侧去除形成去除部，所述容纳凹槽自对应所述基体部位置处延伸至前端面上。
  4. 如权利要求3所述的防水USB插座，其特征在于，所述阻挡件还包括自所述点焊平台横向两侧向下折弯后再次平行折弯形成的第一嵌入部，所述第一嵌入部形成竖直部及水平部。
  5. 如权利要求4所述的防水USB插座，其特征在于，所述点焊平台的纵向后端向下折弯形成第三嵌入部；所述抵挡部横向两侧朝向所述点焊平台方向折弯形成第二嵌入部。
  6. 如权利要求5所述的防水USB插座，其特征在于，所述阻挡件一体成型于所述容纳凹槽内，所述第二嵌入部、第三嵌入部嵌入所述第一或第二塑胶体内；所述第一嵌入部底端的水平部嵌入所述第一或第二塑胶体内，所述竖直部 露出于所述去除部位置处。
  7. 如权利要求6所述的防水USB插座，其特征在于，将所述第一、第二塑胶体叠加后再次成型时，所述第三塑胶体填充满所述去除部并将所述竖直部完全覆盖嵌入。
  8. 如权利要求1所述的防水USB插座，其特征在于，所述金属壳还包括将所述金属内壳上下夹持的第一、第二金属外壳，所述第一、第二金属外壳点焊固定于所述金属内壳上。
  9. 如权利要求8所述的防水USB插座，其特征在于，所述第一、第二金属外壳横向两侧分别延伸形成耳部，所述耳部中间开设有固定孔。
  10. 如权利要求2-9任一项所述的防水USB插座的制造方法，其特征在于，包括如下步骤：
    S01、提供冲压好的第一端子组、金属中板与阻挡件进行第一次模内注塑成型形成所述第一塑胶体；提供冲压好的第二端子组、另一阻挡件进行第二次模内注塑成型形成所述第二塑胶体；
    S02、将所述第一塑胶体与所述第二塑胶体上下叠加进行第三次模内注塑成型形成所述第三塑胶体，完成插接件的制造；
    S03、将所述插接件套入所述金属内壳内，并通过点焊的方式，将所述金属内壳与所述阻挡件的点焊平台焊接为一体；
    S04、将所述金属外壳夹持于所述金属内壳外并点焊固定于一体。
  11. 一种防水USB插座，包括插接件、套设于所述插接件外围的金属壳、填充于所述插接件尾部的防水胶及设于所述金属壳外围的防水圈，所述插接件包括金属中板、置于所述金属中板上下两侧的第一、第二端子组及将所述金属中板、第一、第二端子组固持为一体的绝缘本体，所述绝缘本体包括基体部、自所述基体部前向延伸形成的台阶部及自所述台阶部前向延伸形成的对接部，所述金属壳包括外围壁无缝隙的金属内壳，其特征在于，所述绝缘本体的基体部上插装有阻挡件，所述阻挡件包括点焊平台及自所述点焊平台前向折弯向下延伸形成位于所述基体部前端面的抵挡部，所述阻挡件的点焊平台与所述金属 内壳接触并点焊固定于一体。
  12. 如权利要求11所述的防水USB插座，其特征在于，所述绝缘本体包括第一塑胶体、第二塑胶体及第三塑胶体，所述第一塑胶体将所述第一端子组、金属中板成型为一体；所述第二塑胶体将所述第二端子组成型为一体。
  13. 如权利要求12所述的防水USB插座，其特征在于，所述第一、第二塑胶体在对应所述基体部位置处分别设有容纳平台、所述容纳平台的横向两侧去除形成去除部，所述去除部上设有卡孔，所述阻挡件还包括自所述点焊平台横向两侧向下折弯后再次平行折弯形成第一嵌入部，所述第一嵌入部形成竖直部、水平部及插入所述卡孔内的倒钩。
  14. 如权利要求13所述的防水USB插座，其特征在于，所述去除部前端设有避让空间，所述抵挡部横向两侧朝向所述点焊平台方向折弯形成收容于所述避让空间内的第二嵌入部，所述第二嵌入部还包括自所述第二嵌入部端部垂直折弯形成的卡部。
  15. 如权利要求12所述的防水USB插座，其特征在于，所述容纳平台后端缘设有卡槽，所述容纳平台的前端面上设有定位块，所述点焊平台的纵向后端向下折弯形成插入所述卡槽内的第三嵌入部；所述阻挡件的抵挡部还开设有与所述定位块配合的定位缺口。
  16. 如权利要求14所述的防水USB插座，其特征在于，所述阻挡件插装于所述容纳平台内，所述倒钩插入所述卡孔内，所述竖直部、水平部露出于所述去除部位置处。
  17. 如权利要求16所述的防水USB插座，其特征在于，所述第三塑胶体将所述第一、第二塑胶体及两个阻挡件成型为一体，所述第三塑胶体填充满所述去除部、避让空间以将所述阻挡件的第一、第二嵌入部完全嵌入所述第三塑胶体内固持。
  18. 如权利要求11所述的防水USB插座，其特征在于，所述金属壳还包括将所述金属内壳上下夹持的第一、第二金属外壳，所述第一、第二金属外壳点焊固定于所述金属内壳上。
  19. 如权利要求18所述的防水USB插座，其特征在于，所述第一、第二金属外壳横向两侧分别延伸形成耳部，所述耳部中间开设有固定孔。
  20. 如权利要求13-19任一项所述的防水USB插座的制造方法，其特征在于，包括如下步骤：
    S01、提供冲压好的第一端子组及金属中板进行第一次模内注塑成型形成所述第一塑胶体；提供冲压好的第二端子组进行第二次模内注塑成型形成所述第二塑胶体；
    S02、提供冲压好的阻挡件，将所述阻挡件分别插入所述第一、第二塑胶体的容纳平台上；
    S03、将所述第一塑胶体与所述第二塑胶体上下叠加进行第三次模内注塑成型形成所述第三塑胶体，此时，第三塑胶体完全填充满所述第一、第二塑胶体的去除部与避让空间使所述阻挡件更紧密地与所述插接件固持为一体；
    S04、将所述插接件套入所述金属内壳内，并通过点焊的方式，将所述金属内壳与所述阻挡件的点焊平台焊接为一体；
    S05、将所述金属外壳夹持于所述金属内壳外并点焊固定于一体。
PCT/CN2019/092941 2018-06-28 2019-06-26 防水usb插座及其制造方法 WO2020001461A1 (zh)

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