CN219626946U - TypeC terminal plastic molded part and TypeC connector - Google Patents
TypeC terminal plastic molded part and TypeC connector Download PDFInfo
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- CN219626946U CN219626946U CN202320673894.5U CN202320673894U CN219626946U CN 219626946 U CN219626946 U CN 219626946U CN 202320673894 U CN202320673894 U CN 202320673894U CN 219626946 U CN219626946 U CN 219626946U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a Type-C terminal plastic shaping spare and typeC connector, wherein, terminal plastic shaping spare is including last row terminal module, metal earthing piece and the lower row terminal module that superposes in proper order from top to bottom, go up row terminal module, metal earthing piece and the lower row terminal module constitution terminal plastic shaping spare combination body be equipped with the overmoulding insulating part on the terminal plastic shaping spare combination body, be equipped with at least one row of first locating hole on the lower bottom surface of the upper row insulating part of upper row terminal module, be full of the plastic in all first locating holes; at least one row of third positioning holes are arranged on the upper bottom surface of the lower row of insulating pieces of the lower row of terminal modules, and all the third positioning holes are filled with plastic. The utility model has the advantage that short circuit or series circuit can not be formed inside the terminal plastic molding part.
Description
Technical Field
The utility model relates to the technical field of electric connectors, in particular to a TypeC terminal plastic molding piece and a TypeC connector.
Background
Along with the rapid development of the technology in the electronic industry, various electrical parts are standardized and normalized, and the USB Type-C is a brand new USB interface form, has the advantages of high transmission speed, small volume and capability of being inserted forward and backward, and is widely applied to electronic products.
The conventional Type-C connector generally includes a shielding shell, in which a terminal plastic molding member (i.e., an upper terminal, a lower terminal and a metal grounding plate module) is provided on the shielding shell, and the conventional terminal plastic molding member includes an upper terminal module 10, a metal grounding plate 20, a lower terminal module 30 and a secondary molding insulator 40, as shown in fig. 6, in the process of manufacturing, a plurality of upper terminals 110 and upper insulators 120 in the upper terminal module 10 are molded into an integral structure by a first mold, a metal grounding plate 20 is manufactured by a stamping mold, a plurality of lower terminals 310 and lower insulators 320 in the lower terminal module 30 are molded into an integral structure by a second mold, then the upper terminal module 10, the metal grounding plate 20 and the lower terminal module 30 are sequentially arranged from top to bottom to form a terminal plastic molding member assembly, and then the plastic is molded onto the terminal plastic molding member assembly by a secondary molding to form the secondary molding insulator 40, and an upper bottom surface (410) of the secondary molding insulator 40 is exposed at an upper terminal contact end 1101 of the upper terminal 110; the lower terminal contact end 3101 of the lower row of terminals 310 exposes the lower bottom surface (420) of the overmolded insulator 40, and finally, the finished terminal plastic molding is encased in a shielding shell to form a Type-C connector, as disclosed in chinese patent CN107959147a for such connection.
Some of the above Type-C connectors are unusable after a period of use, and the Type-C connectors for unknown reasons are still burnt out in severe cases, and the unusable reasons are often not detected, which is very confusing for technicians in the same industry. The present utility model has been practiced in the industry for decades and has been earnestly studied to solve this problem by filling the upper and lower top holes with insulators. For this reason, the upper terminal module 10 and the lower terminal module 30 of the Type-C connector are mainly formed by injection molding, in which upper top holes (not visible in fig. 6) which are twice the number of the upper terminals 110 are formed on the inner bottom surface of the upper insulator 120 of the upper terminal module 10, in order to facilitate positioning of the upper terminals 110 in the mold, or in order to facilitate positioning of the lower terminals 310 in the mold, an insert is additionally provided on the mold to support the upper terminals 110 and the lower terminals 310; lower top holes 312, which are twice as many as the number of the lower row terminals 310, are also formed on the inner bottom surface of the lower row insulator 320 of the lower row terminal module 30. Because of the limited thickness of the upper-row terminal modules 10, the metal grounding plate 20, and the lower-row terminal modules 30, the metal grounding plate 20 may sometimes form a short circuit with the exposed portions of the terminals corresponding to the upper and lower top holes 312 on both sides of the upper-row terminal modules 10 and the lower-row terminal modules 30; or a serial path is formed between the corresponding exposed terminal portions of the upper and lower rows of terminal modules 10 and 30, and the Type-C connector cannot be used due to the different functions of the terminals of the upper and lower rows of terminal modules 10 and 30.
Disclosure of Invention
The utility model aims to provide a Type-C terminal plastic molding part and a Type-C connector, wherein short circuits or strings cannot be formed inside the terminal plastic molding part.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the manufacturing method of the Type-C terminal plastic molding part comprises the following steps:
s1, injecting a plurality of upper-row terminals into an upper-row terminal module with an upper-row insulating piece through a first die, wherein at least one row of first positioning holes are formed in the lower bottom surface of the upper-row insulating piece of the upper-row terminal module, and all the first positioning holes are communicated through a first hot runner and communicated with a first sprue;
s2, manufacturing a metal grounding plate by using a second die;
s3, injection molding the lower-row terminal with the lower-row insulating piece into a lower-row terminal module through a third die, wherein at least one row of third positioning holes are formed in the upper bottom surface of the lower-row insulating piece of the lower-row terminal module, and all the third positioning holes are communicated through a third hot runner and communicated with a second sprue;
s4, stacking the upper-row terminal module, the metal grounding piece and the lower-row terminal module in a fourth die from top to bottom in sequence to form a terminal plastic molding part combination;
s5, after the fourth die is closed, injecting plastic into a cavity of the fourth die, injecting the plastic into the first positioning hole from the first sprue through the first hot runner, filling the first hot runner and the first positioning hole with the plastic, injecting the plastic into the third positioning hole from the second sprue through the third hot runner, and filling the third hot runner and the third positioning hole with the plastic; forming a secondary molding insulating part on the terminal plastic molding part combination body; the upper terminal contact end of the upper row of terminals exposes the upper bottom surface of the secondary molding insulating piece; the lower terminal contact ends of the lower row of terminals expose the lower bottom surface of the overmolded insulator.
As an improvement of the present utility model, the present utility model further includes: in the step S1, a row of second positioning holes are formed on the lower bottom surface of the upper row of insulating pieces of the upper row of terminal modules, and all the second positioning holes are communicated with each other through a second hot runner and communicated with a first sprue; in the step S3, a row of fourth positioning holes are formed on the upper bottom surface of the lower row of insulating pieces of the lower row of terminal modules, and all the fourth positioning holes are communicated with each other through a fourth hot runner and communicated with a second sprue; in the step S3, the plastic is injected into the second positioning hole from the first sprue through the second hot runner, the second hot runner and the second positioning hole are filled with the plastic, the plastic is injected into the fourth positioning hole from the second sprue through the fourth hot runner, and the fourth hot runner and the fourth positioning hole are filled with the plastic.
As an improvement of the utility model, a positioning column is arranged on the upper bottom surface of the lower-row terminal module, a metal sheet positioning hole is arranged on the metal grounding plate, a positioning hole is arranged on the lower bottom surface of the upper-row terminal module, and the positioning column penetrates through the metal sheet positioning hole and the positioning hole to position the lower-row terminal module, the metal grounding plate and the upper-row terminal module.
As an improvement of the utility model, the connection part of the secondary molding insulating piece and the insulating tongue piece is in a circular arc shape.
The utility model also provides a terminal plastic molding part which is manufactured by the method.
The utility model also provides a terminal plastic molding piece, which comprises an upper-row terminal module, a metal grounding piece and a lower-row terminal module which are sequentially overlapped from top to bottom, wherein the upper-row terminal module, the metal grounding piece and the lower-row terminal module form a terminal plastic molding piece combination body, the terminal plastic molding piece combination body is provided with a secondary molding insulating piece, the lower bottom surface of the upper-row insulating piece of the upper-row terminal module is provided with at least one row of first positioning holes, and all the first positioning holes are filled with plastic; at least one row of third positioning holes are arranged on the upper bottom surface of the lower row of insulating pieces of the lower row of terminal modules, and all the third positioning holes are filled with plastic.
As an improvement of the utility model, a row of second positioning holes are also arranged on the lower bottom surface of the upper row of insulating pieces of the upper row of terminal modules, and all the second positioning holes are filled with plastic; and a row of fourth positioning holes are further formed in the upper bottom surface of the lower-row insulating part of the lower-row terminal module, and all the fourth positioning holes are filled with plastic.
As an improvement of the utility model, a positioning column is arranged on the upper bottom surface of the lower-row terminal module, a metal sheet positioning hole is arranged on the metal grounding plate, a positioning hole is arranged on the lower bottom surface of the upper-row terminal module, and the positioning column penetrates through the metal sheet positioning hole and the positioning hole to position the lower-row terminal module, the metal grounding plate and the upper-row terminal module.
As an improvement of the utility model, the connection part of the secondary molding insulating piece and the insulating tongue piece is in arc connection.
The utility model also provides a Type-C connector, which comprises a metal screen shell and a terminal plastic molding piece arranged in the metal screen shell, wherein the terminal plastic molding piece is the terminal plastic molding piece.
The utility model adopts the structure that the first positioning hole or/and the second positioning hole and the third positioning hole or/and the fourth positioning hole are filled with plastic, so the problem that the upper row of terminals, the lower row of terminals and the metal grounding plate are easy to be in wet short circuit due to the positioning holes in the terminal plastic forming part in the prior art is solved.
Drawings
FIG. 1 is a block diagram of one embodiment of the method of the present utility model.
Fig. 2 is an exploded view of one embodiment of a terminal plastic molding.
Fig. 3 is a schematic view of another view structure of the upper row of the terminal modules in fig. 2.
Fig. 4 is a schematic view of the assembled structure of fig. 1.
Fig. 5 is a schematic structural view of the connector of the present utility model.
Fig. 6 is an exploded view of a prior art connector.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1, fig. 1 discloses a method for manufacturing a Type-C terminal plastic molding, which includes the following steps: the numbering in all steps can be seen in fig. 2-5;
s1, injecting a plurality of upper-row terminals 11 into an upper-row terminal module 1 with an upper-row insulating piece 12 through a first die, wherein at least one row of first positioning holes 14 are formed on the lower bottom surface 13 of the upper-row insulating piece 12 of the upper-row terminal module 1, and all the first positioning holes 14 are communicated in series through a first hot runner 15 and are communicated with a first sprue 16; the first positioning holes 14 in this step are formed for positioning the terminals in the corresponding upper row of terminal modules 1 by using the insert on the first mold; the first positioning holes 14 may be in one row, two rows or three rows, according to practical situations;
s2, manufacturing a metal grounding plate 2 by utilizing a second die, wherein in the embodiment, the metal grounding plate 2 can be an iron metal grounding plate or a copper metal grounding plate;
s3, injection molding the lower-row terminal 31 into a lower-row terminal module 3 with a lower-row insulating piece 32 through a third die, wherein at least one row of third positioning holes 34 are formed on the upper bottom surface 33 of the lower-row insulating piece 32 of the lower-row terminal module 3, and all the third positioning holes 34 are communicated through a third hot runner 35 and communicated with a second sprue 36; the third positioning hole 34 in this step is formed for positioning the terminal in the corresponding lower row terminal module 3, the insert being used on the third mold; the third positioning holes 34 may be in one row, two rows or three rows, depending on the actual situation;
s4, stacking the upper-row terminal module 1, the metal grounding piece 2 and the lower-row terminal module 3 in a fourth die in sequence from top to bottom to form a terminal plastic molding part combination; in this embodiment, a positioning column 37 is disposed on the upper bottom surface of the lower-row terminal module 3, a metal sheet positioning hole 21 is disposed on the metal grounding plate 2, a positioning hole 17 is disposed on the lower bottom surface of the upper-row terminal module 1, and the positioning column 37 penetrates through the metal sheet positioning hole 21 and the positioning hole 17 to position the lower-row terminal module 3, the metal grounding plate 2 and the upper-row terminal module 1;
s5, after the fourth die is closed, injecting plastic into the cavity of the fourth die, wherein the plastic is injected into the first positioning hole 14 from the first sprue 16 through the first hot runner 15, the first hot runner 15 and the first positioning hole 14 are filled with the plastic, the second sprue 36 is injected into the third positioning hole 34 through the third hot runner 35, and the third hot runner 35 and the third positioning hole 34 are filled with the plastic; meanwhile, forming a secondary molding insulating piece 4 on the terminal plastic molding piece combination body; the upper terminal contact ends 111 of the upper row of terminals 11 expose the upper bottom surface 41 of the overmolded insulator 4; the lower terminal contact ends 311 of the lower row of terminals 31 expose the lower bottom surface 42 of the overmolded insulator 4.
Preferably, the present utility model further comprises: in the step S1, a row of second positioning holes 141 are formed on the lower bottom surface 13 of the upper insulating member 12 of the upper terminal module 1, and all the second positioning holes 141 are in series through the second hot runner 151 and are communicated with the first sprue 16; in the step S3, a row of fourth positioning holes 341 are formed on the upper bottom surface 33 of the lower insulating member 32 of the lower terminal module 3, and all the fourth positioning holes 341 are communicated with the second sprue 36 through a fourth hot runner 351; in the step S3, the plastic is injected from the first sprue 16 through the second hot runner 151 into the second positioning hole 141, and the second hot runner 151 and the second positioning hole 141 are filled with the plastic, and the plastic is injected from the second sprue 36 through the fourth hot runner 351 into the fourth positioning hole 341, and the fourth hot runner 351 and the fourth positioning hole 341 are filled with the plastic.
Preferably, the connection 44 of the overmoulded insulator 4 to the insulator tongue 43 is in the form of a circular arc, so as to be connected to the tamper shell 5 of the connector.
The utility model also provides a terminal plastic molding part which is manufactured by the method.
Referring to fig. 2 to 4, fig. 2 to 4 disclose a terminal plastic molding member, which includes an upper row of terminal modules 1, a metal grounding plate 2 and a lower row of terminal modules 3 stacked in sequence from top to bottom, wherein the upper row of terminal modules 1, the metal grounding plate 2 and the lower row of terminal modules 3 form a terminal plastic molding member combination, a secondary molding insulating member 4 is arranged on the terminal plastic molding member combination, at least one row of first positioning holes 14 are arranged on a lower bottom surface 13 of an upper row of insulating members 12 of the upper row of terminal modules 1, and all the first positioning holes 14 are filled with plastic; at least one row of third positioning holes 34 are arranged on the upper bottom surface 33 of the lower row of insulating pieces 32 of the lower row of terminal modules 3, and all the third positioning holes 34 are filled with plastic. In this embodiment, the first positioning holes 14 and the third positioning holes 34 are arranged in two rows, however, the positioning holes may be arranged in multiple rows, such as three rows, as required. In the utility model, the first positioning hole 14 and the third positioning hole 34 are filled with plastic together during the second injection molding, so that the exposed parts of the terminals corresponding to the first positioning hole 14 and the third positioning hole 34 are covered, and the exposed parts of the terminals corresponding to the first positioning hole 14 and the third positioning hole 34 can be ensured not to form a short circuit with the metal grounding piece 2 and form a serial circuit with the upper row of terminals or/and the lower row of terminals.
Preferably, the plastic in the first positioning hole 14 is injected through the first hot runner 15, and the plastic in the third positioning hole 34 is injected through the third hot runner 35.
Preferably, a row of second positioning holes 141 are further formed on the lower bottom surface 13 of the upper row of insulating members 12 of the upper row of terminal modules 1, and all the second positioning holes 141 are filled with plastic; a row of fourth positioning holes 341 are further formed in the upper bottom surface 33 of the lower row of insulating members 32 of the lower row of terminal modules 3, and all the fourth positioning holes 341 are filled with plastic.
Preferably, a positioning column 37 is arranged on the upper bottom surface of the lower-row terminal module 3, a metal sheet positioning hole 21 is arranged on the metal grounding plate 2, a positioning hole 17 is arranged on the lower bottom surface of the upper-row terminal module 1, and the positioning column 37 penetrates through the metal sheet positioning hole 21 and the positioning hole 17 to position the lower-row terminal module 3, the metal grounding plate 2 and the upper-row terminal module 1.
Preferably, the connection 44 of the overmoulded insulator 4 to the insulating tongue 43 is in the form of a circular arc.
Preferably, the metal grounding plate 2 is an iron metal grounding plate or a copper metal grounding plate.
Referring to fig. 5, the present utility model further provides a Type-C connector, which includes a metal screen housing 5 and a terminal plastic molding member 51 disposed in the metal screen housing 5, wherein the terminal plastic molding member is the terminal plastic molding member.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The TypeC terminal plastic molding piece comprises an upper-row terminal module (1), a metal grounding piece (2) and a lower-row terminal module (3) which are sequentially overlapped from top to bottom, wherein the upper-row terminal module (1), the metal grounding piece (2) and the lower-row terminal module (3) form a terminal plastic molding piece combination body, and a secondary molding insulating piece (4) is arranged on the terminal plastic molding piece combination body, and the molding piece combination is characterized in that at least one row of first positioning holes (14) are formed in the lower bottom surface (13) of an upper-row insulating piece (12) of the upper-row terminal module (1), and all the first positioning holes (14) are filled with plastic; at least one row of third positioning holes (34) are arranged on the upper bottom surface (33) of the lower row of insulating pieces (32) of the lower row of terminal modules (3), and all the third positioning holes (34) are filled with plastic.
2. The plastic molding of TypeC terminal of claim 1, wherein a row of second positioning holes (141) are further formed in the lower bottom surface (13) of the upper insulating member (12) of the upper terminal module (1), and all the second positioning holes (141) are filled with plastic; a row of fourth positioning holes (341) are further formed in the upper bottom surface (33) of the lower-row insulating piece (32) of the lower-row terminal module (3), and all the fourth positioning holes (341) are filled with plastic.
3. The TypeC terminal plastic molding member according to claim 1 or 2, wherein a positioning column (37) is arranged on the upper bottom surface of the lower-row terminal module (3), a metal sheet positioning hole (21) is arranged on the metal grounding sheet (2), a positioning hole (17) is arranged on the lower bottom surface of the upper-row terminal module (1), and the positioning column (37) penetrates through the metal sheet positioning hole (21) and the positioning hole (17) to position the lower-row terminal module (3), the metal grounding sheet (2) and the upper-row terminal module (1).
4. The plastic molding of TypeC terminal according to claim 1 or 2, wherein the junction (44) of the over-molded insulator (4) with the insulating tongue piece (43) is arc-shaped.
5. A TypeC connector comprises a metal screen shell (5) and a terminal plastic molding part arranged in the metal screen shell (5), and is characterized in that the terminal plastic molding part is the terminal plastic molding part according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673894.5U CN219626946U (en) | 2023-03-30 | 2023-03-30 | TypeC terminal plastic molded part and TypeC connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320673894.5U CN219626946U (en) | 2023-03-30 | 2023-03-30 | TypeC terminal plastic molded part and TypeC connector |
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| Publication Number | Publication Date |
|---|---|
| CN219626946U true CN219626946U (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320673894.5U Active CN219626946U (en) | 2023-03-30 | 2023-03-30 | TypeC terminal plastic molded part and TypeC connector |
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| CN (1) | CN219626946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678712A (en) * | 2022-03-01 | 2022-06-28 | 深圳市步步精科技有限公司 | Electrical connector |
-
2023
- 2023-03-30 CN CN202320673894.5U patent/CN219626946U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678712A (en) * | 2022-03-01 | 2022-06-28 | 深圳市步步精科技有限公司 | Electrical connector |
| CN114678712B (en) * | 2022-03-01 | 2024-03-29 | 深圳市步步精科技有限公司 | Electric connector |
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