CN116014515A

CN116014515A - Duplex USB TYPE-C female connector

Info

Publication number: CN116014515A
Application number: CN202211707837.0A
Authority: CN
Inventors: 尹武华
Original assignee: Dongguan Sanji Electronic Co ltd
Current assignee: Dongguan Sanji Electronic Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-25

Abstract

The invention discloses a duplex USB TYPE-C female connector, which comprises: the upper row A of terminals and the upper row A of terminals are integrally formed into a first positioning piece of the upper row A of terminal modules; the upper row of terminals B and the upper row of terminals B are integrally formed into a second positioning piece of the upper row of terminal module B; the lower row A of terminals, the lower row B of terminals and the middle clamping piece are integrally formed with the middle clamping piece, the lower row A of terminals and the lower row B of terminals into a third positioning piece of the lower row terminal module by means of in-mold injection molding; the insulation bodies are formed outside the upper row of terminal modules A and the upper row of terminal modules B and the lower row of terminal modules by means of in-mold injection molding; the metal shell is sleeved outside the insulating body, a left window and a right window are formed in the metal shell, an A tongue plate and a B tongue plate which respectively extend into the left window and the right window are formed in the insulating body, an A upper row terminal module and an A lower row terminal are located in the A tongue plate, and a B upper row terminal module and a B lower row terminal are located in the B tongue plate.

Description

Duplex USB TYPE-C female connector

Technical field:

the invention relates to the field of TYPE-C connectors, in particular to a duplex USB TYPE-C female connector.

The background technology is as follows:

at present, the USB TYPE-C interface is widely applied to various electronic products, and along with continuous living entering of everything interconnection life style, each big common platform equipment is widely provided with the USB TYPE-C interface, for example: the automobile, the computer, the motor car and the like are all provided with USB TYPE-C connector interfaces. Because traditional TYPE-C interface all is single and assembles the welding, and along with TYPE-C interface becomes general interface gradually, TYPE-C interface is all needed to different platforms, leads to TYPE-C interface quantity demand of each platform to increase, often need use a plurality of TYPE-C interfaces on every platform, and traditional single TYPE-C interface connector not only needs many times assembly welding, assembly efficiency is low, assembly strength is low moreover, stability is poor, be difficult to satisfy the demand of platform multi-interface.

In view of this, the present inventors have proposed the following means.

The invention comprises the following steps:

the invention aims to overcome the defects of the prior art and provides a duplex USB TYPE-C female connector.

In order to solve the technical problems, the invention adopts the following technical scheme: a duplex USB TYPE-C female connector comprising: the upper row A of terminals are integrally formed with the upper row A of terminals in an in-mold injection molding mode to form a first positioning piece of an upper row A of terminal modules; the upper row of terminals B and the upper row of terminals B are integrally formed into a second positioning piece of the upper row of terminal module B in an in-mold injection mode; the lower row A of terminals, the lower row B of terminals and the middle clamping piece are integrally formed with the middle clamping piece, the lower row A of terminals and the lower row B of terminals into a third positioning piece of the lower row terminal module through an in-mold injection molding mode; the insulation bodies are formed outside the upper row A of terminal modules and the upper row B of terminal modules in an in-mold injection mode; the metal shell is sleeved and installed outside the insulating body, wherein a left window and a right window are formed in the metal shell, an A tongue plate and a B tongue plate which respectively extend into the left window and the right window are formed in the insulating body, an A upper row terminal module and an A lower row terminal are located in the A tongue plate, and a B upper row terminal module and a B lower row terminal are located in the B tongue plate.

Furthermore, in the above technical scheme, the left window is a TYPE-C standard window, the right window is a non-standard window, and the bottom surface of the metal shell is formed by stamping to form a U-shaped arch wall for isolating the left window from the right window.

In the above technical solution, the width dimension of the right window is 7.96mm, and the structures and arrangements of the upper row B terminals and the lower row B terminals in the right window and the positions of the contact points exposing the B tongue plates are different from the structures and arrangements of the upper row a terminals and the lower row a terminals in the left window and the positions of the contact points exposing the B tongue plates.

Furthermore, in the above technical scheme, the upper end face of the metal casing is provided with at least four first air guide through holes for welding diversion hot air, the rear end of the insulation body is provided with at least four second air guide through holes corresponding to the first air guide through holes, and the first welding pins at the rear end of the lower row of terminal modules are located below the first air guide through holes and the second air guide through holes.

Furthermore, in the above technical scheme, be provided with in the first wind-guiding through-hole and be used for punching press screens the first screens wane of insulator, second wind-guiding through-hole side is provided with and is used for first screens wane matching is fixed the insulator with metal casing's first screens groove.

Furthermore, in the above technical scheme, the rear end of well clamping piece is provided with and stretches out to both sides and be used for with first contact pin and the second contact pin of metal casing inner wall contact, the upper and lower both ends face of metal casing inwards stamping forming respectively has and is used for fixing a position insulator's first concave station and second concave station, insulator's upper and lower both ends face respectively the shaping have with first concave station with second concave station matching screens's second screens groove and third screens groove.

In the above technical solution, the first concave station is located beside the first air guiding through hole, and the second clamping groove is located beside the first clamping groove and faces different directions symmetrically; the front end surfaces of the first concave table and the second concave table are protruded out of the front end surface of the insulating body by 0.05mm.

Furthermore, in the above technical scheme, the front ends of the upper row of terminal modules and the lower row of terminals are symmetrically buried in the tongue plate a in a duckbill structure, and the front ends of the upper row of terminal modules and the lower row of terminals are symmetrically buried in the tongue plate B in a duckbill structure.

By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: according to the invention, the left window and the right window which can be simultaneously inserted into two male connectors are arranged on the metal shell, and the upper row A terminal module, the lower row A terminal module, the upper row B terminal module and the lower row B terminal module are respectively positioned in the left window and the right window through the tongue plate A and the tongue plate B of the insulating body, so that the double-interface connector is realized, the assembly times are reduced, the assembly efficiency is improved, the connector strength is high, and the stability is good. Secondly, the upper row of terminals and the first positioning piece are integrally formed into an upper row of terminal modules through first in-mold injection, the upper row of terminals and the second positioning piece are integrally formed into an upper row of terminal modules, the lower row of terminals and the lower row of terminals, the middle clamping piece and the third positioning piece are integrally formed into a lower row of terminal modules through second in-mold injection, and finally the upper row of terminal modules, the upper row of terminal modules and the lower row of terminal modules are stacked together and integrally formed with an insulating body into a whole, more plastics can cover the heads of the terminals in a three-time in-mold injection mode, so that the integral bonding strength of tongue piece parts easy to damage is superior, and various destructive tests can be passed.

Description of the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is an exploded view of the present invention.

The specific embodiment is as follows:

the invention will be further described with reference to specific examples and figures.

Referring to FIGS. 1 to 4, there is provided a duplex USB TYPE-C female connector, comprising: the a upper row of terminals 211 is integrally formed with the a upper row of terminals 211 by means of in-mold injection molding to form a first positioning piece 212 of the a upper row of terminal modules 21; the upper row B terminals 221 are integrally formed with the upper row B terminals 221 by in-mold injection molding to form second positioning pieces 222 of the upper row B terminal modules 22; the lower row A terminals 31, the lower row B terminals 32 and the middle clamping piece 1 are integrally formed with the middle clamping piece 1, the lower row A terminals 31 and the lower row B terminals 32 into a third positioning piece 33 of the lower row terminal module 3 in an in-mold injection molding mode; an insulating body 4 which is connected with the upper row A terminal module 21, the upper row B terminal module 22 and the outer part of the lower row terminal module 3 in an in-mold injection molding mode; the metal casing 5 installed outside the insulating body 4 is sleeved, wherein a left window 501 and a right window 502 are arranged on the metal casing 5, an A tongue plate 401 and a B tongue plate 402 which respectively extend into the left window 501 and the right window 502 are formed on the insulating body 4, an A upper row terminal module 21 and an A lower row terminal 31 are positioned in the A tongue plate 401, and a B upper row terminal module 22 and a B lower row terminal 32 are positioned in the B tongue plate 402. The left side window 501 and the right side window 502 which can be simultaneously inserted into two male connectors are arranged on the metal shell 5, the upper row A terminal module 21, the lower row A terminal module 31, the upper row B terminal module 22 and the lower row B terminal module 32 are respectively positioned in the left side window 501 and the right side window 502 through the tongue plate 401 and the tongue plate 402 of the insulating body 4, and therefore the double-interface connector is realized, assembly times are reduced, assembly efficiency is improved, connector strength is high, and stability is good. Secondly, the upper row of terminals 211 and the first positioning piece 212 are integrally formed into the upper row of terminal modules 21 by first in-mold injection, the upper row of terminals 221 and the second positioning piece 222 are integrally formed into the upper row of terminal modules 22 by second in-mold injection, the lower row of terminals 31 and the lower row of terminals 32 of the lower row of terminals and the middle clamping piece 1 and the third positioning piece 33 are integrally formed into the lower row of terminal modules 3 by second in-mold injection, and finally the upper row of terminal modules 21, the upper row of terminal modules 22 of the lower row of terminal modules 3 are stacked together and integrally formed with the insulating body 4 into a whole, more plastics can cover the heads of the terminals by adopting a three-time in-mold injection mode, so that the integral bonding strength of tongue piece parts easy to damage is superior, and various destructive tests can be passed.

The left window 501 is a TYPE-C standard window, the right window 502 is a non-standard window, and the bottom surface of the metal casing 5 is formed by stamping to form a U-shaped arch wall 51 for isolating the left window 501 from the right window 502. Through inwards stamping forming U TYPE arched wall 51 in the middle of metal casing 5 bottom, utilize the setting of "U" shape structure in this department, not only can directly separate the TYPE C standard window on the left and the nonstandard window on the right, but also can reach the effect of strengthening rib, promote the bulk strength of metal casing 5.

The width dimension of the right window 502 is 7.96mm, and the structures and arrangements of the B upper row terminals 221 and the B lower row terminals 32 in the right window 502 and the positions of the contact points exposing the B tongue plate 402 are different from the structures and arrangements of the a upper row terminals 211 and the a lower row terminals 31 in the left window 501 and the positions of the contact points exposing the B tongue plate 402. With a dual socket design, multiple sets of data transmissions may be handled, for example: a gaming machine interface. The left window is a TYPE C standard window, and the right window is a non-standard window for modifying the contact point position on the TYPE C basis so as to cope with the data transmission function.

The upper end face of the metal casing 5 is provided with at least four first air guide through holes 52 for welding and guiding hot air, the rear end of the insulating body 4 is provided with at least four second air guide through holes 41 corresponding to the first air guide through holes 52, and the first welding pins 301 at the rear end of the lower row of terminal modules 3 are located under the first air guide through holes 52 and the second air guide through holes 41. The rear ends of the metal shell 5 and the insulating body 4 are respectively provided with four first air guide through holes 52 and second air guide through holes 41 penetrating through the rear ends of the corresponding lower row of terminal modules 3, and when the PCB is subjected to reflow soldering, hot air can flow into the SMT pins through the first air guide through holes 52 and the second air guide through holes 41 to increase temperature, so that the SMT pins can be soldered.

The first air guide through hole 52 is internally provided with a first clamping-position warping plate 53 for punching and clamping the insulating body 4, and the side of the second air guide through hole 41 is provided with a first clamping-position groove 42 for matching and fixing the first clamping-position warping plate 53 and the insulating body 4 and the metal shell 5.

The rear end of the middle clamping piece 1 is provided with a first contact pin 101 and a second contact pin 102 which extend towards two sides and are used for being in contact with the inner wall of the metal shell 5, the upper end surface and the lower end surface of the metal shell 5 are respectively and inwards stamped to form a first concave table 54 and a second concave table 55 for positioning the insulating body 4, and the upper end surface and the lower end surface of the insulating body 4 are respectively formed with a second clamping groove 43 and a third clamping groove 44 which are matched with the first concave table 54 and the second concave table 55 in clamping position. The middle clamping piece 1 and the metal shell 5 are designed to be in a contact structure, and after a finished product is assembled, the middle clamping piece 1 is in contact conduction with the metal shell 5 so as to improve the current resistance of the product.

The first concave table 54 is located beside the first air guiding through hole 52, and the second clamping groove 43 is located beside the first clamping groove 42 and symmetrically faces different directions; the front end surfaces of the first concave table 54 and the second concave table 55 are respectively protruded by 0.05mm from the front end surface of the insulating body 4. The first concave table 54 and the second concave table 55 are formed by inward punching at the upper end and the lower end of the metal shell 5, the front end faces of the first concave table 54 and the second concave table 55 are set to be 0.05mm protruding out of the front end faces of the second clamping groove 43 and the third clamping groove 44 of the insulating body 4, and therefore the first concave table 54 and the second concave table 55 are utilized for stopping the insertion depth of the plug, and damage to products caused by direct contact impact of the plug insertion to the impact plastic is prevented.

The front ends of the upper row a terminal modules 21 and the lower row a terminals 31 are symmetrically buried in the tongue plate 401, and the front ends of the upper row B terminal modules 22 and the lower row B terminals 32 are symmetrically buried in the tongue plate 402. The front ends of the upper row A terminal module 21 and the lower row A terminal module 31 and the front ends of the upper row B terminal module 22 and the lower row B terminal module 32 are symmetrically arranged to be buried in plastic in a duckbill structure, so that the bonding strength is superior, and the terminal is prevented from being inserted, turned and damaged by the force generated during oblique plug insertion.

In summary, in the present invention, the a upper row terminal 211, the B upper row terminal 221, the a lower row terminal 31 and the B lower row terminal 32 are all arranged in plurality, the a upper row terminal 211 and the first positioning member 212 are integrally formed into the a upper row terminal module 21 by first in-mold injection molding, the B upper row terminal 221 and the second positioning member 222 are integrally formed into the B upper row terminal module 22, the a lower row terminal 31, the B lower row terminal 32, the middle clamping piece 1 and the third positioning member 33 are integrally formed into the lower row terminal module 3 by second in-mold injection molding, finally the a upper row terminal module 21, the B upper row terminal module 22 and the lower row terminal module 3 are integrally formed into a whole with the insulating body 4 by third in-mold injection molding, more plastics can cover the head portions of the terminals, and the easily damaged tongue piece overall bonding strength can pass various destructive testing. Further, the insulating body 4 is inserted into the metal shell 5, the insulating body 4 is limited into the metal shell 5 by punching, bending and buckling the first clamping seesaw 53 into the first positioning groove 42, and the insulating body 4 is fixed in the metal shell 5 by matching with the first concave table 54 and the second concave table 55.

It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. A duplex USB TYPE-C female connector, comprising: the upper row A of terminals (211) and the upper row A of terminals (211) are integrally formed into a first positioning piece (212) of the upper row A of terminal modules (21) in an in-mold injection mode; the upper row of terminals (221) is integrally formed with the upper row of terminals (221) in a mode of in-mold injection molding to form a second positioning piece (222) of the upper row of terminal module (22); the lower row of terminals (31) A, the lower row of terminals (32) B and the middle clamping piece (1) are integrally formed with the middle clamping piece (1), the lower row of terminals (31) A and the lower row of terminals (32) B in an in-mold injection molding mode to form a third positioning piece (33) of the lower row of terminal module (3); an insulating body (4) which is formed outside the upper row A of terminal modules (21), the upper row B of terminal modules (22) and the lower row of terminal modules (3) in an in-mold injection molding mode; the insulating body (4) is provided with a left side window (501) and a right side window (502), the insulating body (4) is provided with an A tongue plate (401) and a B tongue plate (402) which extend into the left side window (501) and the right side window (502) respectively, an A upper row terminal module (21) and an A lower row terminal (31) are positioned in the A tongue plate (401), and a B upper row terminal module (22) and a B lower row terminal (32) are positioned in the B tongue plate (402).

2. The duplex USB TYPE-C female connector of claim 1, wherein: the left side window (501) is a TYPE-C standard window, the right side window (502) is a non-standard window, and a U-shaped arch wall (51) for isolating the left side window (501) and the right side window (502) is formed on the bottom surface of the metal shell (5) in a punching mode.

3. A duplex USB TYPE-C female connector according to claim 2, wherein: the width dimension of the right side window (502) is 7.96mm, and the structures and arrangement modes of the upper row B terminals (221) and the lower row B terminals (32) in the right side window (502) and the contact point positions exposing the tongue plate B (402) are different from the structures and arrangement modes of the upper row A terminals (211) and the lower row A terminals (31) in the left side window (501) and the contact point positions exposing the tongue plate B (402).

4. A duplex USB TYPE-C female connector according to any of claims 1-3, wherein: the upper end face of the metal shell (5) is provided with at least four first air guide through holes (52) for welding and guiding hot air, the rear end of the insulating body (4) is provided with at least four second air guide through holes (41) corresponding to the first air guide through holes (52), and first welding pins (301) at the rear end of the lower row of terminal modules (3) are right below the first air guide through holes (52) and the second air guide through holes (41).

5. The duplex USB TYPE-C female connector of claim 4, wherein: the insulation body is characterized in that a first clamping-position warping plate (53) used for stamping clamping the insulation body (4) is arranged in the first air guide through hole (52), and a first clamping groove (42) used for fixing the insulation body (4) and the metal shell (5) in a matching mode is formed in the side of the second air guide through hole (41).

6. The duplex USB TYPE-C female connector of claim 5, wherein: the rear end of well clamping piece (1) is provided with to both sides stretch out and be used for with first contact (101) and second contact (102) of metal casing (5) inner wall contact, the upper and lower both ends face of metal casing (5) inwards stamping forming respectively has first concave station (54) and second concave station (55) that are used for fixing a position insulator (4), the upper and lower both ends face of insulator (4) respectively the shaping have with first concave station (54) with second concave station (55) match second clamping groove (43) and third clamping groove (44) of screens.

7. The duplex USB TYPE-C female connector of claim 6, wherein: the first concave table (54) is positioned beside the first air guide through hole (52), and the second clamping groove (43) is positioned beside the first clamping groove (42) and symmetrically faces different directions; the front end surfaces of the first concave table (54) and the second concave table (55) are respectively protruded by 0.05mm from the front end surface of the insulating body (4).

8. The duplex USB TYPE-C female connector of claim 4, wherein: the front ends of the upper row of terminal modules (21) and the lower row of terminals (31) are symmetrically buried in the tongue plate (401), and the front ends of the upper row of terminal modules (22) and the lower row of terminals (32) are symmetrically buried in the tongue plate (402).