CN105305132A - Twice-molded type reversible-plug USB connector and manufacturing method thereof - Google Patents
Twice-molded type reversible-plug USB connector and manufacturing method thereof Download PDFInfo
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- CN105305132A CN105305132A CN201510812894.9A CN201510812894A CN105305132A CN 105305132 A CN105305132 A CN 105305132A CN 201510812894 A CN201510812894 A CN 201510812894A CN 105305132 A CN105305132 A CN 105305132A
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Abstract
A twice-molded type reversible-plug USB connector comprises a first terminal unit, an isolation middle plate, a first insulator which is formed by injection molding and is superposed on the first terminal unit and the isolation middle plate in a spacing manner in a vertical direction, a second terminal unit installed on one side of the first insulator on the isolation middle plate, and a second insulator that enables the first insulator and the second terminal unit to be formed as a whole body through injection molding. The first insulator is provided with terminal positioning slots and spacing bosses close to one side of the isolation middle plate. The second terminal unit is positioned in the terminal positioning slots of the first insulator. Second contact parts abut against the surfaces of the spacing bosses and then undergo injection molding to form the second insulator. According to the invention, the problem that a conventional product is low in efficiency because of undergoing injection molding too frequently is effectively solved.
Description
Technical field
The application relates to electric connector field, the positive anti-plug USB connector of espespecially a kind of post forming formula and manufacture method thereof.
Background technology
USB (USB) is present in daily life widely, and the transmission of electronic device data adopts this general standard mostly; The appearance of USB3.0 standard drastically increases the transmission speed of data, and in the USB interface design of standard A Type type, USB3.0 can ideally realize change in design and not affect downward compatibility and constructional appearance.But mobile terminal application MicroUSB field then cannot practical function upgrading while, guarantee constructional appearance is constant, MicroUSB3.0 standard finally makes surface structure complicated, namely mode is side by side adopted to add an interface to hold the function leg increased, but occupy larger space, be limited to the development trend of smart mobile phone ultrathin, the application of MicroUSB3.0 on mobile phone is greatly limited, be badly in need of a kind of brand-new high speed serialization versabus and solve this problem.
In the case, USB association is proposed brand-new USB3.1TypeC type interface connector, taken into account size and performance simultaneously, adapted to the application on intelligent terminal, but it can not be backward compatible.Be limited to product structure complexity, to there is in metal isolation plate simultaneously and lay respectively at first, second terminal group of plate both sides in the isolation of described metal, in current manufacturing process, the thimble of mould cannot in mould the relative position of the above-mentioned three of stationary positioned simultaneously, also namely cannot be molded as one structure by single injection-molded by above-mentioned three.The People's Republic of China's No. 201410395693.9 patent application discloses a kind of USB3.1TypeC type connector, it adopts upper and lower plastic body to divide the manufacturing process of body formed last assembling to solve a manufacture difficult problem for small size complex structural member, but it also exists some problems in the Structural Integrity of connector entirety, upper and lower two groups of conducting terminal modules need to carry out fixing by metalwork and are integrated.And for example the People's Republic of China's No. 201510379998.5 patent application is the problem solving said structure integraty, adopt the mode of three injection mo(u)ldings by middle plate and to be arranged in two groups of conducting terminals of the upper and lower both sides of plate shaping as a whole, but its injection molding process is more, the yield of product is had an impact, and take injection molding machine resource too much, cost of goods manufactured is remained high.
Summary of the invention
The object of the application is to provide the positive anti-plug USB connector of a kind of post forming formula and manufacture method thereof, and described USB connector only needs twice injection mo(u)lding to produce product, significantly reduces manufacturing cost, improves production efficiency and product yield.
For this reason, this application provides the positive anti-plug USB connector of a kind of post forming formula, comprise first end subgroup, plate in isolation, plate in described first end subgroup and isolation is superposed the first insulator of rear injection mo(u)lding in interval in the vertical direction, be installed on described first insulator and be arranged in the second terminal group on described isolation plate side, and by the second insulator that described first insulator and described second terminal group injection mo(u)lding are integrated, described first, second terminal group lays respectively at the both sides of plate in described isolation in vertical direction, and described first insulator is formed with terminal position groove in plate side in described isolation, and spaced-apart bosses, described first, second terminal group comprises first respectively, second holding parts, and from described first, second holding parts two ends extend to form respectively first, second weld part and first, second contact site, the holding parts of described second terminal group is positioned in the terminal position groove of described first insulator at least partly, described second contact site be resisted against described spaced-apart bosses on the surface after the second insulator described in injection mo(u)lding again.
For this reason, present invention also provides a kind of post forming formula positive anti-plug USB connector manufacture method, comprise the steps:
Step one, provide first end subgroup, isolation in plate, described first end subgroup comprises the first holding parts and extends to form the first contact site, the first weld part respectively from described first holding parts two ends, first contact site, first weld part of described first end subgroup are connected to material strip, and in described isolation, the corresponding described first contact site side of plate is connected with middle sheet feeding belt; Plate in described first end subgroup and isolation is carried out first time injection mo(u)lding and operates formation first insulator in interval in vertical direction after superposing, described first insulator is arranged in described isolation plate side and is formed with terminal position groove and spaced-apart bosses;
The material strip that step 2, excision first end subgroup two ends connect, second terminal group is provided, described second terminal group comprises the second holding parts and extends to form the second contact site, the second weld part respectively from described second holding parts two ends, and described second weld part one end is connected with material strip; Be positioned at least partly by second holding parts of some conducting terminals of described second terminal group in described terminal position groove, the second contact site of described second terminal group is resisted against on the surface of prime number spaced-apart bosses;
Step 3, the first assembly plate and the first insulator in described first end subgroup, isolation formed and the second terminal group be installed on described first insulator are carried out second time injection mo(u)lding and are operated and form the second insulator, described second insulator by described first assembly and the coated fixing of described second terminal group as a whole.
Compared to prior art, the application's post forming formula positive anti-plug USB connector and manufacture method thereof are first by first end subgroup and plate one-body molded formation first insulator in isolation, and form terminal position groove and spaced-apart bosses on the surface of the first insulator plate side in described isolation, again the second terminal group of excision front end material strip is positioned in described terminal position groove in case not-go-end is at random, short circuit, meanwhile, the second terminal group be positioned on the first insulator is carried out the Shooting Technique that injection mo(u)lding can complete product again.Solve prior art, because of cannot first, second terminal group of stable position, need to carry out complicated process that Multi-step injection molding forming operation brings with inefficient.
Accompanying drawing explanation
Fig. 1 is the three-dimensional combination figure of the positive anti-plug USB connector of the application's post forming formula;
Fig. 2 is for the application is along the cutaway view of the dotted line of A-A shown in Fig. 1;
Fig. 3 is the three-dimensional exploded view of the positive anti-plug USB connector of the application's post forming formula;
Fig. 4 is the three-dimensional exploded view of another angle of the positive anti-plug USB connector of the application's post forming formula;
Fig. 5 is the stereogram of plate in first, second terminal group and isolation; Wherein Fig. 5 A is the stereogram of the application's post forming formula positive anti-plug USB connector first end subgroup binder band; Fig. 5 B is the stereogram that in the positive anti-plug USB connector isolation of the application's post forming formula, plate connects material strip; Fig. 5 C is the stereogram that the application's post forming formula positive anti-plug USB connector second terminal group connects material strip;
Fig. 6 superposes schematic diagram before to be the application's post forming formula positive anti-plug USB connector first end subgroup prepares injection mo(u)lding for the first time with plate in isolation;
The first composite unit structure figure that Fig. 7 is the application's post forming formula positive anti-plug USB connector first end subgroup and is formed after plate first time injection mo(u)lding in isolating;
Fig. 8 is the structure chart after the first end subgroup excision material strip in the application's post forming formula positive anti-plug USB connector first assembly;
Fig. 9 is the structure chart that the second terminal group of the application's post forming formula positive anti-plug USB connector is installed on described first assembly before the injection mo(u)lding of preparation second time;
Figure 10 is the structure chart of the second assembly formed after the second terminal group of the application's post forming formula positive anti-plug USB connector and described first assembly carry out second time injection mo(u)lding.
Embodiment
The application's post forming formula positive anti-plug USB connector manufacture method is USB3.1TypeC type socket connector, USB3.1TypeC is that the one formulated by USB-IF association is intended to reduce product size to meet handheld mobile device demand, and can the new interface of simultaneously significantly promoting transmission rate.
Refer to shown in Fig. 1 to Fig. 5, the application's post forming formula positive anti-plug USB connector comprises plate 30 in first end subgroup 10, isolation, described first end subgroup 10 and plate 30 in described isolation are taken shape in one the first insulator 40, second terminal group 20 and described first insulator 40 is taken shape in the second insulator 50 integrally with described second terminal group 20.
The first contact site 12 and the first weld part 13 that described first end subgroup 10 comprises the first holding parts 11, extends to form respectively from described first holding parts 11 two ends.Described first end subgroup 10 after punch forming, the end of described first contact site 12 and the first weld part 13 be connected to material strip 14, with material strip 15, be formed between described material strip 14 and described first contact site 12 and prejudge portion 16.
The second contact site 22 and the second weld part 23 that described second terminal group 20 comprises the second holding parts 21, extends to form respectively from described second holding parts 21 two ends.Described second terminal group 20 after punch forming, the end of described second contact site 22 and the second weld part 23 be connected to material strip 24, with material strip 25.
In described isolation plate 30 comprise main part 31, the leg 33 that extends to form from described main part 31 rear end bending and be connected to sheet feeding belt 34 in described main part 31 front end.Described main part 31 is provided with the some groups of through holes run through 32.
Described first end subgroup 10 is superimposed in described isolation the first insulator 40 carrying out the shaping formation of first time injection mo(u)lding above plate 30 and described first end subgroup 10 be combined as a whole with plate 30 in described isolation, and in described first end subgroup 10, isolation, plate 30 and the first insulator 40 form the first assembly (non-label).Described first insulator 40 comprises matrix part 41, run through described matrix part 41 and the through hole 32 position through slot 45 of plate 30 in corresponding described isolation.The surface that described first insulator 40 is being arranged in described isolation plate 30 side is formed with some terminal position grooves 43 and spaced-apart bosses 44, described terminal position groove 43 is positioned at the medium position of described matrix part 41, described spaced-apart bosses 44 is positioned at the leading section of described matrix part 41, and the end face of described spaced-apart bosses 44 and the bottom surface of described terminal position groove 43 are in same level and higher than the surface of plate 30 in described isolation.Be formed with groove 46 between described spaced-apart bosses 44 so that second time injection mo(u)lding time fluid plastic cement flowing.Described first insulator 40 upwards protrudes out in the rear end being positioned at described first end subgroup 10 side and is formed with projection 42, and described projection 42 contributes to the combination stability between described first insulator 40 and described second insulator 50.
Described second terminal group 20 is assembled in the terminal position groove 43 of described first insulator 40 plate 30 side in described isolation, holding parts 21 correspondence of some terminals of described second terminal group 20 snaps in described terminal position groove 43 and positions, described contact site 22 be overlapped in described spaced-apart bosses 44 surface with prevent some terminals of described second terminal group 20 at random or with plate 30 short circuit in described isolation.Described second terminal group 20 is assembled in again carries out injection mo(u)lding operation after on described first insulator 40 and forms the second insulator 50, described second insulator 50 is by the as a whole structure of plate 30 fixing in described first end subgroup 10, second terminal group 20 and isolation, described second insulator 50 is coated on first, second terminal group 10 described, the end of the contact site 12,22 of 20.
Emphasis is consulted shown in Fig. 5 to Figure 10, is aided with reference to shown in figure 1-4, will introduces the manufacture method of the positive anti-plug USB connector of the application's post forming formula below:
Step one, as shown in Figure 6, provide plate 30 in first end subgroup 10, isolation, described first end subgroup 10 is for ease of keeping the consistency of some conducting terminals, and the rear and front end of described first end subgroup 10 is connected to material strip 14, material strip 15; In described isolation, corresponding described material strip 14 place, plate 30 front end is connected with middle sheet feeding belt 34.Described first end subgroup 10 isolated in the vertical direction with plate 30 in described isolation and be superimposed on, described first end subgroup 10 and plate 30 horizontal plane in the vertical direction in described isolation be not at same plane.The material strip 14 of described first end subgroup 10 is arranged in the top of the sheet feeding belt 34 of described isolation plate 30.The first end subgroup 10 of described superposition is carried out first time injection mo(u)lding with plate 30 in described isolation and forms the first insulator 40, plate 30 fixing in described first end subgroup 10, isolation is integrated by described first insulator 40, and what the shaping position of described first insulator 40 front end was no more than contact site 12 end of described first end subgroup 10 prejudges portion 16.The surface middle part that described first insulator 40 is being arranged in described isolation plate 30 side forms some terminal position grooves 43, and forming spaced-apart bosses 44 in the one end near described the first terminal 10 contact site 12, the upper surface of described spaced-apart bosses 44 and the bottom surface of described terminal position groove 43 are in same level position.
Step 2, the material strip 14 excising described first end subgroup 10 and material strip 15; Second terminal group 20 is provided, and excises the material strip 24 of described second terminal group 20; Described second terminal group 20 being installed on described first insulator 40, to be arranged in the terminal position groove 43 of described isolation plate 30 side at random with what prevent described second terminal group 20 from becoming when losing material strip 24 and retraining, particularly, the second holding parts 21 part of described second terminal group 20 is positioned in described terminal position groove 43; Simultaneously, second contact site 22 of described second terminal group 20 is resisted against the upper surface of described spaced-apart bosses 44 with the situation generation preventing described second contact site 22 from plate 30 in described isolation in electrical contact occurring, and also makes the flatness of the second contact site 22 of described second terminal group 20 of guarantee consistent.
Step 3: the first assembly form plate 30 and the first insulator 40 in described first end subgroup 10, isolation and the second terminal group 20 be installed on described first insulator 40 are carried out second time injection mo(u)lding and operated and form the second insulator 50, described second insulator 50 by described first assembly and the coated fixing of described second terminal group 20 as a whole; By the end of first, second contact site 12,22 of coated first, second terminal group 10,20 described after described second insulator 50 is shaping.
Step 4: the middle sheet feeding belt of plate 30 front end in excision isolation, and the miscellaneous parts such as assembling metal housing (not shown).
The application's post forming formula positive anti-plug USB connector and manufacture method thereof are first by first end subgroup 10 and plate 30 one-body molded formation first insulator 40 in isolation, and form terminal position groove 43 and spaced-apart bosses 44 on the surface of the first insulator 40 plate 30 side in described isolation, again the second terminal group 20 of excision material strip 24 is positioned in described terminal position groove 43 in case not-go-end is at random, short circuit, meanwhile, the second terminal group 20 be positioned on the first insulator 40 is carried out the Shooting Technique that injection mo(u)lding can complete product again.Solve prior art, because of cannot first, second terminal group 10,20 of stable position, need to carry out complicated process that Multi-step injection molding forming operation brings with inefficient.
Claims (10)
1. the positive anti-plug USB connector of post forming formula, is characterized in that, comprise first end subgroup, plate in isolation, plate in described first end subgroup and isolation is superposed the first insulator of rear injection mo(u)lding in interval in the vertical direction, be installed on described first insulator and be arranged in the second terminal group on described isolation plate side, and by the second insulator that described first insulator and described second terminal group injection mo(u)lding are integrated, described first, second terminal group lays respectively at the both sides of plate in described isolation in vertical direction, and described first insulator is formed with terminal position groove in plate side in described isolation, and spaced-apart bosses, described first, second terminal group comprises first respectively, second holding parts, and from described first, second holding parts two ends extend to form respectively first, second weld part and first, second contact site, the holding parts of described second terminal group is positioned in the terminal position groove of described first insulator at least partly, described second contact site be resisted against described spaced-apart bosses on the surface after the second insulator described in injection mo(u)lding again.
2. the positive anti-plug USB connector of post forming formula as claimed in claim 1, it is characterized in that, described first insulator comprises matrix part, described terminal position slot is in medium position also corresponding described first holding parts of described matrix part, and described spaced-apart bosses is positioned at first contact site one end of described first end subgroup.
3. the positive anti-plug USB connector of post forming formula as claimed in claim 1 or 2, it is characterized in that, the surface of described spaced-apart bosses and the bottom surface of described terminal position groove are in same level, and in the surface of described spaced-apart bosses and the bottom surface of described terminal position groove and described isolation, residing for plate, plane is positioned at the different level in vertical direction.
4. the positive anti-plug USB connector of post forming formula as claimed in claim 1 or 2, it is characterized in that, in described isolation, plate comprises main part, described main part is provided with the some groups of through holes run through, after described first insulator is shaping, in the described isolation of correspondence the lead to the hole site of plate be provided with corresponding through slot so that secondary injection molding the second insulator time, fluid plastic cement can flow fast in vertical direction.
5. the positive anti-plug USB connector of post forming formula as claimed in claim 1 or 2, it is characterized in that, described first insulator upwards protrudes out in the rear end being positioned at described first end subgroup side and is formed with projection.
6. a post forming formula positive anti-plug USB connector manufacture method, is characterized in that, comprise the steps:
Step one, provide first end subgroup, isolation in plate, described first end subgroup comprises the first holding parts and extends to form the first contact site, the first weld part respectively from described first holding parts two ends, first contact site, first weld part of described first end subgroup are connected to material strip, and in described isolation, the corresponding described first contact site side of plate is connected with middle sheet feeding belt; Plate in described first end subgroup and isolation is carried out first time injection mo(u)lding and operates formation first insulator in interval in vertical direction after superposing, described first insulator is arranged in described isolation plate side and is formed with terminal position groove and spaced-apart bosses;
The material strip that step 2, excision first end subgroup two ends connect, second terminal group is provided, described second terminal group comprises the second holding parts and extends to form the second contact site, the second weld part respectively from described second holding parts two ends, and described second weld part one end is connected with material strip; Be positioned at least partly by second holding parts of some conducting terminals of described second terminal group in described terminal position groove, the second contact site of described second terminal group is resisted against on the surface of prime number spaced-apart bosses;
Step 3, the first assembly plate and the first insulator in described first end subgroup, isolation formed and the second terminal group be installed on described first insulator are carried out second time injection mo(u)lding and are operated and form the second insulator, described second insulator by described first assembly and the coated fixing of described second terminal group as a whole.
7. post forming formula positive anti-plug USB connector manufacture method as claimed in claim 6, it is characterized in that, described first insulator comprises matrix part, described terminal position slot is in medium position also corresponding described first holding parts of described matrix part, and described spaced-apart bosses is positioned at first contact site one end of described first end subgroup.
8. post forming formula positive anti-plug USB connector manufacture method as claimed in claims 6 or 7, it is characterized in that, the surface of described spaced-apart bosses and the bottom surface of described terminal position groove are in same level, and in the surface of described spaced-apart bosses and the bottom surface of described terminal position groove and described isolation, residing for plate, plane is positioned at the different level in vertical direction.
9. post forming formula positive anti-plug USB connector manufacture method as claimed in claims 6 or 7, it is characterized in that, in described isolation, plate comprises main part, described main part is provided with the some groups of through holes run through, after described first insulator is shaping, in the described isolation of correspondence the lead to the hole site of plate be provided with corresponding through slot so that secondary injection molding the second insulator time, fluid plastic cement can flow fast in vertical direction.
10. post forming formula positive anti-plug USB connector manufacture method as claimed in claim 6, it is characterized in that, described method also comprises step 4:
The middle sheet feeding belt of front edge of board in excision isolation, and assembling metal housing.
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| CN201510812894.9A CN105305132B (en) | 2015-11-21 | 2015-11-21 | The positive anti-plug USB connector of post forming formula and its manufacturing method |
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| CN105305132A true CN105305132A (en) | 2016-02-03 |
| CN105305132B CN105305132B (en) | 2018-12-14 |
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| US11670883B2 (en) | 2020-03-16 | 2023-06-06 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Electrical connector having a row of right-angle contacts formed with bearing portions for ease of manufacturing |
| CN111541129A (en) * | 2020-05-09 | 2020-08-14 | 昆山长盈精密技术有限公司 | Connector and manufacturing method |
| CN111682391A (en) * | 2020-06-04 | 2020-09-18 | 深圳市长盈精密技术股份有限公司 | Manufacturing method of positive and negative plug connector |
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|---|---|
| CN105305132B (en) | 2018-12-14 |
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