CN111682391A - Manufacturing method of positive and negative plug connector - Google Patents
Manufacturing method of positive and negative plug connector Download PDFInfo
- Publication number
- CN111682391A CN111682391A CN202010502686.XA CN202010502686A CN111682391A CN 111682391 A CN111682391 A CN 111682391A CN 202010502686 A CN202010502686 A CN 202010502686A CN 111682391 A CN111682391 A CN 111682391A
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- material belt
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- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000001746 injection moulding Methods 0.000 abstract 3
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
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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
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A manufacturing method of a positive and negative plug connector comprises the following steps: s10, stamping and forming a middle plate, a first terminal group and a second terminal group, and fixing the first terminal group and the second terminal group on the upper side and the lower side of the middle plate respectively; s20, placing the first and second terminal sets and the middle plate into an injection mold for first injection molding to form a first insulating body which holds the first and second terminal sets and the middle plate together; s30, removing the first and second front tapes and the middle tape, and then performing injection molding again to form the second insulation body; and S40, removing the first and second back material belts. This application is injection moulding during first insulator, guarantee the contact site front end of first, second terminal group obtains better support location in the vertical direction.
Description
Technical Field
The present invention relates to the field of electrical connectors, and more particularly, to a method for manufacturing a positive and negative plug connector.
Background
The Type C socket adopts the design of the conductive terminals with the upper layer and the lower layer being completely symmetrical, supports the positive and negative insertion of the plug, and improves the using effect of a user, but simultaneously, the conductive terminals and the metal middle plate between the conductive terminals are distributed on three surfaces in the vertical direction. In the injection molding process, the production can be completed by adopting a multi-time injection molding mode, and the most common mode is three-time injection molding.
The increase of the injection molding times inevitably leads to the increase of the manufacturing cost, and meanwhile, the injection molding materials are overlapped in a layered mode, so that the injection molding materials with different times are not tightly combined with each other and are easy to seep water. The 201710158882.8 patent discloses a method for twice injection molding of a reversible USB socket, which comprises connecting the front ends of a metal middle plate, a first terminal group and a second terminal group with material belts respectively, overlapping the material belts together, performing injection molding to form a first insulator, cutting off the material belts, performing the second injection molding to wrap the front ends of the first terminal group, the second terminal group and the metal middle plate, wherein during the first injection molding, the material belt connecting strips connecting the front ends of the first terminal group and the second terminal group are still in a suspended state, and during the injection molding, the plastic flow impact can still cause the front ends of the first terminal group and the second terminal group to possibly have the risk of vertical displacement. Meanwhile, after the first insulator is formed, the lateral outer sides of the outermost ground terminals of the first and second terminal sets lack plastic supports, and when the first insulator is formed by injection molding for the second time, the risk that the ground terminals are shifted laterally outwards due to plastic impact may occur.
Disclosure of Invention
In view of the above, it is desirable to provide a method for manufacturing a reversible plug connector, in which a support structure is inserted between the connection bars of the tapes at the front ends of the first and second terminal sets to more stably position the front ends of the first and second terminal sets to avoid displacement.
In order to solve the above technical problem, the present application provides a method for manufacturing a positive and negative plug connector, including the following steps: s10, stamping and forming a middle plate, a first terminal group and a second terminal group, and fixing the first terminal group and the second terminal group on the upper side and the lower side of the middle plate respectively; the first terminal group and the second terminal group respectively comprise a contact part, a fixing part formed by extending backwards from the contact part and a welding foot formed by extending backwards from the fixing part, the rear ends of the welding feet of the first terminal group and the second terminal group are connected with a first rear material belt and a second rear material belt which are fixedly overlapped together, the front ends of the contact parts of the first terminal group and the second terminal group are connected with a first front material belt and a second front material belt, the middle plate is connected with a middle plate material belt, the first front material belt and the second front material belt are fixedly overlapped on the upper side and the lower side of the middle plate material belt, the first front material belt and the second front material belt respectively comprise a connector and a plurality of connecting strips which are formed by extending from the rear end of the connector and are connected with the conductive terminals of the first terminal group and the second terminal group, and the middle plate material belt extends to form a supporting strip which is supported between the connecting strips;
s20, placing the first and second terminal sets and the middle plate into an injection mold for first injection molding to form a first insulating body which holds the first and second terminal sets and the middle plate together;
s30, removing the first and second front tapes and the middle tape, and then performing injection molding again to form the second insulation body;
and S40, removing the first and second back material belts.
Preferably, each of the first and second terminal groups includes a pair of ground terminals located at a lateral outer side, a pair of power terminals located at an inner side of the pair of ground terminals, and a plurality of signal terminals located between the pair of power terminals, and the middle plates include first and second middle plates independently located at a lateral outer side and located between upper and lower two ground terminals.
Preferably, the middle plate material belt comprises a belt body clamped between the first front material belt and the second front material belt, first material strips extending backwards from two lateral sides of the belt body and connected to the lateral outer sides of the first middle plate and the second middle plate, and second material strips extending from the rear end of the belt body and connected to the front ends of the first plate body and the second plate body; the support strip is formed by extending backwards from the rear end of the belt body.
Preferably, the support strip includes a first support strip extending backwards from the rear end of the belt body between the first and second material strips and a second support strip extending backwards from the rear end of the belt body between the pair of second material strips.
Preferably, the front ends of the contact parts of the first and second terminal groups and the joints of the connecting bars are provided with pre-breaking grooves, and the first and second supporting bars extend backwards to the positions of the front ends of the pre-breaking grooves to support the connecting bars on the upper and lower sides.
Preferably, the first supporting strip is supported between the connecting strips of the ground terminals of the first and second terminal sets, and the second supporting strip is supported between the power terminals of the first and second terminal sets and the connecting strips of the signal terminals.
Preferably, the first and second terminal sets further include a pair of high-frequency signal terminals located between the ground terminal and the power supply terminal, and the support bar is supported in the transverse direction between the ground terminal, the high-frequency signal terminals, the power supply terminal and the connecting bars of the signal terminals.
Preferably, the holding portions of the first and second ground terminals are at least partially offset in the vertical direction so that the solder tails of the first and second terminal sets are aligned in a row in the lateral direction.
Preferably, the first insulating body includes a filling body filling a gap between the first terminal group and the middle plate, and a positioning block integrally formed on a lateral outer side of the ground terminal.
Preferably, the upper and lower sides of the middle plate are both provided with the positioning blocks, the corresponding positions of the middle plate are also provided with through holes, and the upper and lower corresponding positioning blocks are integrally formed through the through holes.
The manufacturing method of the positive and negative plug connector comprises the steps that the rear end of the middle plate material belt extends backwards to form a support strip which is supported between the connecting strips of the first and second front material belts, so that the front ends of the contact parts of the first and second terminal groups are supported by enough rigidity in the up-and-down direction, and the up-and-down displacement during injection molding is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
FIG. 1 is a perspective view of the front and back plug connector of the present application assembled on a printed circuit board;
FIG. 2 is an exploded perspective view of the front and back plug connectors of the present application;
FIG. 3 is a perspective view of the male member of the front and back male connectors of the present application;
fig. 4 is an exploded perspective view of the first and second terminal sets and the metal middle plate connecting tape of the front and back plug connector of the present application;
fig. 5 is a superimposed combination diagram and a partial enlarged view of the first and second terminal sets and the metal middle plate of the positive and negative plug connector of the present application when the material strap is connected thereto;
fig. 6 is a perspective view and a partial enlarged view of a first insulator formed by first injection molding of a first terminal set and a second terminal set and a metal middle plate of the positive-negative plug connector of the present application;
fig. 7 is a perspective view and a partial enlarged view of the front and rear insertion connectors according to the present application after the first and second terminal sets and the metal middle plate are subjected to a first injection molding and the tape structure connected to the front ends of the first and second terminal sets and the metal middle plate is cut off;
fig. 8 is a perspective view of the front and back plug connectors of the present application after a second insulator is formed by a second injection molding process.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, the front-to-back connector of the present invention is mounted on a printed circuit board 10. The positive and negative plug connector comprises a plug connector A and a metal shell 20 sleeved outside the plug connector A. The metal shell 20 includes a metal inner shell 21 sleeved outside the plug connector a and metal outer shells 22 and 23 fixed on the upper and lower sides of the metal inner shell 21.
The metal inner shell 21 includes a cylinder body 212 having a central hole 211, and convex hulls 213 stamped from the top and bottom surfaces of the cylinder body 212 toward the central hole 211. The lateral outer side of the cylinder 212 is an arc-shaped side wall.
The metal outer shell comprises a first outer shell 22 and a second outer shell 23, wherein the first outer shell 22 is fixedly attached to the top and the two transverse sides of the metal inner shell 21, and the second outer shell 23 is fixedly attached to the bottom and the two transverse sides of the metal inner shell 21. The first and second outer shells 23, 22 respectively include main body portions 221, 231 spot-welded to the upper and lower surfaces of the metal inner shell 21, covering portions 222, 232 bent from both lateral sides of the main body portions 221, 231 and covering the arc-shaped side walls on the lateral outer sides of the cylinder 212, and terrace portions 223, 233 bent from the covering portions 222, 232 toward the lateral outer sides and bonded to each other and spot-welded together. The lateral end of the platform 223 of the first housing 22 is bent downward to form a solder-fixing part 224 inserted into the printed circuit board 10.
The connector a includes a middle plate 50, first and second terminal sets 30, 40 respectively disposed at upper and lower sides of the middle plate 50, and an insulating body 60 combining the middle plate 50, the first and second terminal sets 30, 40 into a whole.
Each of the first and second terminal groups 30, 40 includes a ground terminal 30a located at both lateral outer sides, a pair of power terminals 30b located at inner sides of the pair of ground terminals 30a, and a plurality of signal terminals 30c located between the pair of power terminals 30 b. In another embodiment, a high frequency signal terminal (not shown) is further provided between the power supply terminal 30b and the ground terminal 30 a.
Each of the conductive terminals of the first and second terminal sets 30, 40 includes a contact portion 32, a holding portion 31 extending from the contact portion 32, and a solder tail 33 extending from the holding portion 31 to the rear of the insulating body 60. The holding portions 31 of the first and second terminal sets 30, 40 are at least partially disposed in a vertically offset manner so as to clamp the holding portions 31 of the first and second terminal sets 30, 40 in the vertical direction during the in-mold molding. The holding portion 31 of the second terminal set 40 is bent upward to form a bent portion 311, so that the solder tails 33 of the second terminal set 40 and the solder tails 33 of the first terminal set 30 are arranged in a row in the transverse direction and the soldering surfaces are at the same horizontal plane.
As shown in fig. 4 and 5, the middle plate 50 is a first middle plate 50a and a second middle plate 50b which are independent from each other at two lateral sides, and the first middle plate 50a and the second middle plate 50b are respectively located between the ground terminals 30a of the first terminal set 30 and the second terminal set 40. When a product has a high-frequency signal transmission requirement, the first and second middle plates 50a,50b also need to electromagnetically shield signal interference between the high-frequency signal terminals on the upper and lower sides between the high-frequency signal terminals of the first and second terminal sets 30, 40.
The first and second middle plates 50a,50b include a plate body 51, a plurality of through holes 52 vertically penetrating the plate body 51, and a locking groove 53 located at a lateral outer side of the plate body 51. The first and second middle plates 50a,50b are further connected to a common middle plate material strip 54, the middle plate material strip 54 includes a belt body 541, first material strips 542 extending backward from both lateral sides of the belt body 541 and connected to the rear end of the lateral outside of the plate body 51, second material strips 543 extending backward from the middle of the belt body 541 and connected to the front end of the plate body 51, at least one first supporting strip 544 extending backward from the rear end of the belt body 541 between the first and second material strips 542, 543, and a second supporting strip 545 extending backward from the rear end of the belt body 541 between a pair of the second material strips 543. The second support bar 545 has a certain width in a lateral direction, and the lateral width of the second support bar 545 is approximately equal to the width between the pair of power terminals 30b of the first or second terminal set 30, 40. The length of the second support bars 545 extending backward is greater than the length of the first support bars 544 extending backward, i.e. the rear ends of the second support bars 545 are located further back than the rear ends of the first support bars 544.
The free ends of the contact portion 32 and the solder tail 33 of the first terminal set 30 are connected to a first front tape 34 and a first rear tape 35, respectively. The free ends of the contact portion 32 and the solder fillet 33 of the second terminal set 40 are respectively connected with a second front tape 44 and a second rear tape 45. The first and second front tapes 34, 44 respectively include connecting bodies 341, 441 stacked on the upper and lower surfaces of the tape body 541 of the middle board tape 54, and connecting strips 342, 442 extending rearward from the connecting bodies 341, 441 and corresponding to each conductive terminal contact portion 32 of the first and second terminal sets 30, 40. A pre-breaking groove (not numbered) is arranged between the connecting strips 342, 442 and the front end edge of the corresponding contact part 32 to facilitate the removal of the material belt. The first and second rear tapes 35, 45 respectively include tape bodies 352, 452 stacked together, one of the tape bodies 352, 452 is formed with a fixing hole 351 therethrough, and the other tape body is formed with a riveting protrusion 451 riveted in the fixing hole 351 by punching so as to tightly rivet the two tape bodies 352, 452 together. The front ends of the tape main bodies 352 and 452 extend to form connecting strips 353 and 453 correspondingly connected with the solder legs 33 of each conductive terminal of the first and second terminal sets 30 and 40, wherein one connecting strip 453 is bent to form a sinking portion 454, so that the two tape main bodies 352 and 452 are overlapped in a staggered manner in the vertical direction, and meanwhile, the solder legs 33 are ensured to be on the same horizontal plane.
As shown in fig. 5 to 8, the insulation body 60 includes a base portion 61, a thickened portion 62 extending forward from the base portion 61, and a tongue portion 63 extending forward from the thickened portion 62. The rear end of the metal inner shell 21 is sleeved on the periphery of the base part 61 and is limited and fixed. The insulating body 60 includes a first insulating body 60a formed by performing in-mold injection molding on the first and second terminal sets 30 and 40 and the middle plate 50, and a second insulating body 60b formed by performing injection molding on the outside of the first insulating body 60 a.
The first insulating body 60a includes the base portion 61 and a joining portion 66 that is integrated with the base portion 61 and joins the contact portions 32 of the first and second terminal groups 30, 40 and the middle plate 50 together. The connecting portion 66 includes a filling member 661 for filling the gap between the first and second terminal sets 30 and 40 and the middle plate 50, and a transverse outer positioning block 662 integrally formed at the front end of the ground terminal 30a, wherein the positioning blocks 662 are located at the upper and lower sides of the plate body 51 of the middle plate 50, and there are at least four blocks, that is, each ground terminal 30a corresponds to one positioning block 662, specifically, two positioning blocks 662 corresponding to each upper and lower direction are connected as a whole through the through hole 52 of the plate body 51. The second insulating body 60b includes a thickened portion 62 formed to wrap the outer periphery of the rear end of the combining portion 66 and a wrapping portion 65 for completely wrapping the front end and the lateral outer periphery of the combining portion 66.
The filler 661 and the positioning block 662 at the lateral outer side of the ground terminal 30a limit the lateral direction of the ground terminal 30a, so as to ensure that the ground terminal 30a is not impacted by liquid plastic to generate a lateral outer offset when the second insulation body 60b is injection molded for the second time.
With reference to fig. 5 to 8, the manufacturing method of the positive-negative plug connector of the present application includes the following steps:
s10, respectively overlapping the first and second terminal groups 30 and 40 connected with the tapes on the upper and lower sides of the middle plate 50;
in this step, the first and second back tapes 35, 45 connected to the back ends of the first and second terminal groups 30, 40 are stacked together and fixed, and the first and second front tapes 34, 44 are stacked on the upper and lower sides of the middle board tape 54, respectively, wherein the first and second support bars 544, 545 of the middle board tape 54 extend to the space between the connection bars 342, 442 of the first and second terminal groups 30, 40 to support the connection bars 342, 442 on the upper and lower sides, so that the connection bars 342, 442 are supported sufficiently in the up-down direction during injection molding, thereby preventing the contact portions 32 of the first and second terminal groups 30, 40 from shifting in the up-down direction. The first and second support bars 544 and 545 extend to the position of the pre-breaking groove where the rear end edges of the connection bars 342 and 442 are connected with the contact portions 32 to support the contact portions 32 of the first and second terminal sets 30 and 40 to the maximum extent without displacement.
In one embodiment, the ground terminals 30a of the first and second ground terminals 30, 40 can directly clamp and electrically contact the middle plate 50; there is no middle plate 50 between the power terminals 30b and the signal terminals 30c on the upper and lower sides, that is, the distance between the power terminals 30b and the signal terminals 30c in the upper and lower rows is the thickness of the middle plate 50.
In another embodiment, there is a gap between the two rows of ground terminals 30a and the middle plate 50 without contact, and at this time, the ends of the contact portions 32 of the first and second terminal sets 30, 40 are bent upward or downward to ensure that the middle plate material strip 54 and the first and second front material strips 34, 44 can be fixed together in an overlapping manner.
S20, performing a first in-mold injection molding on the first and second terminal groups 30 and 40 and the middle plate 50 to form the first insulating body 60 a;
the filling member 661 restricts the relative position between the first and second terminal sets 30, 40 and the middle plate 50, and the positioning block 662 ensures that the front ends of the contact portions 32 of the ground terminals 30a on the lateral outer sides are supported, and meanwhile, the lateral outer sides do not occupy too much space, so that sufficient filling space is left for the second insulating body 60b to ensure the stability of the bonding.
S30, cutting the first and second front tapes 34, 44 and the middle tape 54, and then performing a second injection molding to form the second insulation body 60 b.
S40, assembling the metal shell 20 and cutting off the first and second back tapes 35, 45.
In the manufacturing method of the forward and reverse plug-in connector of the present application, the back end of the middle plate material strip 54 extends backwards to form the supporting bars 544 and 545 supported between the connecting bars 342 and 442 of the first and second front material strips 34 and 44, so that the front ends of the contact portions 32 of the first and second terminal sets 30 and 40 obtain sufficient rigid support in the up-down direction, and the up-down displacement during the injection molding is avoided.
Meanwhile, after the first insulating body 60a is injection molded, a positioning block 662 is formed on the front end of the contact part 32 of the grounding terminal 30a in the transverse outer side, and the positioning block 662 ensures that the second injection molding is performed on the second insulating body 60b, so that the front end of the contact part 32 of the grounding terminal 30a cannot be impacted by molten plastic flow and laterally outwardly offset, and the accuracy and yield of product manufacturing are improved.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A manufacturing method of a positive and negative plug connector is characterized by comprising the following steps:
s10, stamping and forming a middle plate, a first terminal group and a second terminal group, and fixing the first terminal group and the second terminal group on the upper side and the lower side of the middle plate respectively;
the first terminal group and the second terminal group respectively comprise a contact part, a fixing part formed by extending backwards from the contact part and a welding foot formed by extending backwards from the fixing part, the rear ends of the welding feet of the first terminal group and the second terminal group are connected with a first rear material belt and a second rear material belt which are fixedly overlapped together, the front ends of the contact parts of the first terminal group and the second terminal group are connected with a first front material belt and a second front material belt, the middle plate is connected with a middle plate material belt, the first front material belt and the second front material belt are fixedly overlapped on the upper side and the lower side of the middle plate material belt, the first front material belt and the second front material belt respectively comprise a connector and a plurality of connecting strips which are formed by extending from the rear end of the connector and are connected with the conductive terminals of the first terminal group and the second terminal group, and the middle plate material belt extends to form a supporting strip which is supported between the connecting strips;
s20, placing the first and second terminal sets and the middle plate into an injection mold for first injection molding to form a first insulating body which holds the first and second terminal sets and the middle plate together;
s30, removing the first and second front tapes and the middle tape, and then performing injection molding again to form the second insulation body;
and S40, removing the first and second back material belts.
2. The method of manufacturing a positive and negative insertion connector according to claim 1, wherein the first and second terminal groups each include a pair of ground terminals located laterally outside, a pair of power terminals located inside the pair of ground terminals, and a plurality of signal terminals located between the pair of power terminals, and the midplane includes first and second midplanes located laterally outside and between the upper and lower ground terminals.
3. The method of claim 2, wherein the middle strip includes a strip body sandwiched between the first and second front strips, a first strip extending rearward from both lateral sides of the strip body and connected to lateral outer sides of the first and second middle plates, and a second strip extending from a rear end of the strip body and connected to front ends of the first and second plates; the support strip is formed by extending backwards from the rear end of the belt body.
4. The method of claim 3, wherein the support bars include a first support bar extending rearward from the rear end of the band between the first and second strips and a second support bar extending rearward from the rear end of the band between the pair of second strips.
5. The method of claim 4, wherein a pre-breaking groove is formed at a connection portion between the front ends of the contact portions of the first and second terminal sets and the connecting bars, and the first and second supporting bars extend backward to a position at the front end of the pre-breaking groove to support the connecting bars at the upper and lower sides.
6. The method of claim 5, wherein the first support bar is supported between the connecting bars of the ground terminals of the first and second terminal sets, and the second support bar is supported between the connecting bars of the power terminals and the signal terminals of the first and second terminal sets.
7. The method of manufacturing a positive-negative-insertion connector according to claim 3, wherein the first and second terminal sets further include a pair of high-frequency signal terminals between the ground terminal and the power terminal, and the support bar is supported in the lateral direction between the ground terminal, the high-frequency signal terminals, the power terminal and the connection bars of the signal terminals.
8. The method of manufacturing a positive-negative-insertion connector according to claim 3 or 7, wherein the holding portions of the first and second ground terminals are at least partially displaced in the vertical direction so that the solder tails of the first and second terminal groups are aligned in a row in the lateral direction.
9. The method of claim 2, wherein the first insulating body includes a filling member filling a gap between the first and second terminal sets and the middle plate and a positioning block integrally formed on a lateral outer side of the ground terminal.
10. The method of claim 9, wherein the positioning blocks are disposed on both upper and lower sides of the middle plate, and a through hole is further disposed at a corresponding position of the middle plate, and the upper and lower positioning blocks are integrally formed through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502686.XA CN111682391B (en) | 2020-06-04 | 2020-06-04 | Manufacturing method of positive and negative plug connector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010502686.XA CN111682391B (en) | 2020-06-04 | 2020-06-04 | Manufacturing method of positive and negative plug connector |
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| CN111682391A true CN111682391A (en) | 2020-09-18 |
| CN111682391B CN111682391B (en) | 2022-02-22 |
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Cited By (4)
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| CN112670738A (en) * | 2020-12-24 | 2021-04-16 | 昆山杰顺通精密组件有限公司 | USB socket and manufacturing method thereof |
| CN112909601A (en) * | 2021-01-21 | 2021-06-04 | 深圳市长盈精密技术股份有限公司 | Housing assembly and stacked card holder |
| CN113161793A (en) * | 2021-04-19 | 2021-07-23 | 深圳市长盈精密技术股份有限公司 | USB socket and manufacturing method thereof |
| US20220255278A1 (en) * | 2021-02-06 | 2022-08-11 | Fuyu Electronical Technology (Huaian) Co., Ltd. | Method of making electrical connector having upper and lower contacts from a first carrier and two discrete middle shielding plates from a second carrier |
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