CN114614304A - Shielding shell, Type-C connector and preparation method thereof - Google Patents
Shielding shell, Type-C connector and preparation method thereof Download PDFInfo
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- CN114614304A CN114614304A CN202210223824.XA CN202210223824A CN114614304A CN 114614304 A CN114614304 A CN 114614304A CN 202210223824 A CN202210223824 A CN 202210223824A CN 114614304 A CN114614304 A CN 114614304A
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- top surface
- shell
- side surfaces
- buckled
- connector
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000005452 bending Methods 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
Abstract
The invention discloses a shielding shell, which comprises an inner shell and an outer shell, wherein the outer shell is coated outside the inner shell, the inner shell and the outer shell are formed by stamping and integrally bending a metal plate, the inner shell comprises a first top surface, two first side surfaces and a first bottom surface, the outer shell comprises a second top surface, two second side surfaces and a second bottom surface, a connecting part is arranged between the first top surface of the inner shell and the second top surface of the outer shell, the connecting part is provided with a hollow groove, the second top surface is folded along the connecting part and is overlapped with the first top surface, and meanwhile, the hollow groove is folded reversely to form a lateral open slot. By adopting the shielding shell with the integrated structure, the inner shell is sleeved on the insulating body, and the outer shell is coated and fixed on the surface of the inner shell, so that the strength and the shielding effect of the shielding shell are enhanced, and the manufacturing process of the connector is simplified by the preparation method of the integrated inner shell and the outer shell, the production efficiency is improved, the production cost is reduced, and the development cost and the maintenance cost of the mold are reduced.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a shielding shell, a Type-C connector and a preparation method thereof.
Background
The USB interface has the interface of three kinds of different outward appearances, Type-A, Type-B, Type-C promptly, and Type-C has the volume that all is far less than Type-A and Type-B, is the newest USB interface appearance standard. In addition, Type-C is an interface Type that can be applied to both a PC and an external device, which is epoch-making. USB Type-C, Type-C for short, is a Universal Serial Bus (USB) hardware interface specification. In addition, the highlight of the Type-C connector lies in the fact that the design is thinner, the transmission speed can reach 10Gbps at most and can reach 100W at most, and the biggest characteristic is that double-sided insertion of the USB interface is supported.
The existing Type-C connector is used for enhancing the strength of the shielding shell, the shielding shell is formed by adopting a mode that an inner shell and an outer shell are assembled in a matched mode, although the strength of the shielding shell can be improved by the mode, the inner shell and the outer shell need two forming dies, a jig needs to be assembled during assembly, the manufacturing process of the connector is complicated, the production cost is also improved, the preparation time is prolonged, and therefore the production efficiency is low. Therefore, there is a need for an improvement to existing Type-C connectors.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a shielding shell, a Type-C connector and a manufacturing method thereof, in which the shielding shell has an integrated inner and outer shell structure, so as to enhance the strength of the shielding shell, simplify the manufacturing process of the connector, reduce the manufacturing time, improve the production efficiency, and reduce the production cost, and only one molding mold is required to complete the molding of the shielding shell, thereby reducing the development cost and the maintenance cost of the mold.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a shielding case, is including interior casing, shell body, and this shell body cladding is external in the inner shell, and this interior casing, shell body system are formed by a metal sheet punching press and integrative bending, wherein:
the inner shell comprises a first top surface, two first side surfaces and a first bottom surface, wherein the first top surface is provided with a first buckling position, the two first side surfaces are respectively formed by integrally bending two sides of the first top surface downwards, and the first bottom surface is respectively formed by buckling first bending sections bent out of the lower ends of the two first side surfaces in opposite directions;
the shell comprises a second top surface, two second side surfaces and a second bottom surface, wherein the second top surface is provided with a second buckling position buckled with the first buckling position, the two second side surfaces are respectively formed by downwards integrally bending the second top surface, the second bottom surface is respectively buckled by second bending sections bent oppositely at the lower ends of the two second side surfaces, and the two second side surfaces are respectively provided with a fixing pin;
and a connecting part is arranged between the first top surface of the inner shell and the second top surface of the outer shell, the connecting part is provided with a hollow groove, the second top surface is folded along the connecting part and is superposed with the first top surface, so that the second buckling position and the first buckling position are buckled and fixed, and meanwhile, a lateral opening groove for clamping and stopping the insulating body of the connector is formed after the hollow groove is folded.
As a preferred scheme, one of the first bending sections is provided with a first dovetail groove, and the other first bending section is provided with a first dovetail block, and the first dovetail block is matched and fastened with the first dovetail groove.
As a preferred scheme, one of the second bending sections is provided with a second dovetail groove, and the other second bending section is provided with a second dovetail block, and the second dovetail block and the second dovetail groove are matched and fastened.
The utility model provides a Type-C connector, is including terminal module and as aforementioned shield shell, this terminal module is installed in the interior casing of shield shell, the terminal module is including insulator and the last row terminal group and the lower row terminal group that are fit for positive and negative inserting, and this insulator rear end has a convex part, and this convex part side direction card is gone into in the side direction open slot that the shield shell detained the side, is blocked interior casing and shell body rear side simultaneously by the convex part.
As a preferable scheme, the terminal module further includes two middle spacers, each of the two middle spacers includes a main body portion and a hook portion, the main body portion is embedded in the insulating body and is in contact with the ground terminals of the upper row of terminal group and the lower row of terminal group to conduct and ground, and the hook portions are exposed at two sides of the front end of the insulating body.
As a preferred scheme, the main body part is provided with first positioning holes, the first positioning holes are embedded in the insulating body, and the first positioning holes extend along the front and back of the main body part; the joint of the main body part and the clamping hook part is provided with a second positioning hole, the second positioning hole is embedded in the insulating body, and the second positioning hole extends to the clamping hook part along the main body part.
A method for manufacturing a Type-C connector as described above, comprising the following steps:
(1) putting a metal plate into a stamping die, stamping and forming a first top surface, a second top surface and a connecting part, respectively stamping a first buckling position and a second buckling position on the first top surface and the second top surface, and stamping a hollow groove on the connecting part;
(2) two sides of the first top plane are bent downwards to form two first side surfaces, and two sides of the second top plane are bent upwards to form two second side surfaces;
(3) the lower ends of the two first side surfaces are oppositely bent and buckled together to form a first bottom surface, and the first dovetail block is matched and buckled with the first dovetail groove, so that the first top surface, the two first side surfaces and the first bottom surface surround to form an accommodating cavity;
(4) the second top surface is bent reversely relative to the first top surface along the connecting part, so that the second top surface is superposed with the first top surface and is mutually buckled and fixed by the first buckling position and the second buckling position, and at the moment, a lateral open slot is formed in the hollow part in the connecting part;
(5) the lower ends of the two second side surfaces are oppositely bent and buckled together to form a second bottom surface, and the second dovetail block is matched and buckled with the second dovetail groove, so that the second bottom surface is overlapped with the first bottom surface, and the shielding shell is manufactured;
(6) and inserting the prepared and molded terminal module into the shielding shell from back to front for fixing, clamping the lateral part of the convex part into a lateral opening groove on the buckling side of the shielding shell, and clamping the rear sides of the inner shell and the outer shell simultaneously by the convex part so as to obtain the Type-C connector.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
through the shielding shell of the integrated structure, the inner shell is sleeved on the insulating body, the outer shell is coated and fixed on the surface of the inner shell, the strength and the shielding effect of the shielding shell are enhanced, the manufacturing process of the connector is simplified by the manufacturing method of the integrated inner shell and the outer shell, the manufacturing time is shortened, the production efficiency is improved, the production cost is reduced, the molding of the shielding shell can be completed only by one molding die, and the development cost and the maintenance cost of the die are reduced.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is a flow chart of the manufacturing process of the shielding case of the present invention.
The attached drawings indicate the following:
10. inner housing 101, accommodating chamber
11. First top surface 111, first knot position
12. First side surface 121, first bending section
122. First dovetail groove 123 and first dovetail block
13. First bottom surface 20, outer casing
21. Second top surface 211, second fastening position
22. Second side 221, second bending section
222. Fixing foot 223 and second dovetail groove
224. Second dovetail block 23, second bottom surface
30. Connecting part 31 and hollow groove
32. Lateral open slot 40, terminal module
41. Insulating body 411, convex part
42. Upper row terminal group 43 and lower row terminal group
44. Middle spacer 441 and main body
442. Hook portion 443 and first positioning hole
444. And a second positioning hole.
Detailed Description
Referring to fig. 1 to 3, the present invention discloses a shielding shell, including an inner shell 10 and an outer shell 20, wherein the outer shell 20 is wrapped outside the inner shell 10, the inner shell 10 and the outer shell 20 are formed by stamping a metal plate and bending the metal plate integrally, wherein:
the inner shell 10 comprises a first top surface 11, two first side surfaces 12 and a first bottom surface 13, the first top surface 11 is provided with a first buckling position 111, the two first side surfaces 12 are respectively formed by bending two sides of the first top surface 11 downwards and integrally, and the first bottom surface 13 is respectively formed by buckling first bending sections 121 bent out from the lower ends of the two first side surfaces 12 in opposite directions; in this embodiment, one of the first bending sections 121 is provided with a first dovetail groove 122, and the other first bending section 121 is provided with a first dovetail block 123, and the first dovetail block 123 is matched and fastened with the first dovetail groove 122.
The outer shell 20 includes a second top surface 21, two second side surfaces 22 and a second bottom surface 23, the second top surface 21 is provided with a second buckling position 211 buckled with the first buckling position 111, the two second side surfaces 22 are respectively formed by bending the second top surface 21 downwards integrally, the second bottom surface 23 is respectively formed by buckling second bending sections 221 which are bent at the lower ends of the two second side surfaces 22 in opposite directions, and the two second side surfaces 22 are respectively provided with fixing legs 222; in this embodiment, one of the second bending sections 221 is provided with a second dovetail groove 223, and the other second bending section 221 is provided with a second dovetail block 224, and the second dovetail block 224 is matched and fastened with the second dovetail groove 223.
And, a connecting portion 30 is provided between the first top surface 11 of the inner housing 10 and the second top surface 21 of the outer housing 20, the connecting portion 30 has a hollow groove 31, the second top surface 21 is folded along the connecting portion 30 and overlapped with the first top surface 11, so that the second buckling position 211 and the first buckling position 111 are fastened and fixed, and simultaneously the hollow groove 31 is folded back to form a lateral opening groove 32 for locking the insulating body 41 of the connector.
The invention also discloses a Type-C connector, which comprises a terminal module 40 and the shielding shell.
The terminal module 40 is installed in the inner housing 10 of the shielding shell, the terminal module 40 includes an insulating body 41, an upper row terminal group 42 and a lower row terminal group 43 suitable for being inserted in a forward direction and a reverse direction, a convex portion 411 is arranged at the rear side end of the insulating body 41, the convex portion 411 is laterally clamped into a lateral opening groove 32 at the buckling side of the shielding shell, the rear sides of the inner housing 10 and the outer housing 20 are clamped simultaneously by the convex portion 411, and the inner housing 10 and the outer housing 20 are tightly attached to each other and are not easily separated from each other. In this embodiment, the terminal module 40 further includes two middle spacers 44, each of the two middle spacers 44 includes a main body 441 and a hook 442 that are integrally formed, the main body 441 is embedded in the insulating body 41 and is in contact with the ground terminals of the upper row terminal set 42 and the lower row terminal set 43 for conduction and grounding, and the hook 442 is exposed at two sides of the front end of the insulating body 41; in addition, the main body 441 has a first positioning hole 443, the first positioning hole 443 is embedded in the insulating body 41, and the first positioning hole 443 extends along the front and back of the main body 441; a second positioning hole 444 is formed at a connection portion of the main body portion 441 and the hook portion 442, the second positioning hole 444 is embedded in the insulating body 41, and the second positioning hole 444 extends toward the hook portion 442 along the main body portion 441.
The invention also discloses a manufacturing method of the Type-C connector, wherein the preparation process of the shielding shell is shown in FIG. 4, and the method comprises the following steps:
(1) putting a metal plate into a stamping die, stamping and forming a first top surface 11, a second top surface 21 and a connecting part 30, respectively stamping a first buckling position 111 and a second buckling position 211 on the first top surface 11 and the second top surface 21, and stamping a hollow groove 31 on the connecting part 30;
(2) two sides of the first top surface 11 are bent downwards to form two first side surfaces 12, and two sides of the second top surface 21 are bent upwards to form two second side surfaces 22;
(3) the lower ends of the two first side surfaces 12 are oppositely bent and buckled together to form a first bottom surface 13, and the first dovetail block 123 is matched and buckled with the first dovetail groove 122, so that the first top surface 11, the two first side surfaces 12 and the first bottom surface 13 surround to form an accommodating cavity 101;
(4) bending the second top surface 21 oppositely to the first top surface 11 along the connecting portion 30 to make the second top surface 21 and the first top surface 11 overlapped, and fastening and fixing the first fastening position 111 and the second fastening position 211 with each other, at this time, the hollow portion 31 in the connecting portion 30 forms a lateral opening groove 32;
(5) the lower ends of the two second side surfaces 22 are oppositely bent and buckled together to form a second bottom surface 23, and the second dovetail block 224 is matched and buckled with the second dovetail groove 223, so that the second bottom surface 23 is overlapped with the first bottom surface 13, and the shielding shell is manufactured;
(6) the prepared and molded terminal module 40 is inserted into the accommodating cavity 101 from back to front and fixed, the convex part 411 is laterally clamped into the lateral opening groove 32 at the buckle side of the shielding shell, and the convex part 411 simultaneously clamps the back sides of the inner shell 10 and the outer shell 20, thereby manufacturing the Type-C connector.
The design of the invention is characterized in that: through the shielding shell of the integrated structure, the inner shell is sleeved on the insulating body, the outer shell is coated and fixed on the surface of the inner shell, the strength and the shielding effect of the shielding shell are enhanced, the manufacturing process of the connector is simplified by the manufacturing method of the integrated inner shell and the outer shell, the manufacturing time is shortened, the production efficiency is improved, the production cost is reduced, the molding of the shielding shell can be completed only by one molding die, and the development cost and the maintenance cost of the die are reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. The utility model provides a shielding shell, is including interior casing, shell body, and this shell body cladding is outside interior casing, its characterized in that: this interior casing, shell system are formed by a metal sheet punching press and integrative bending, wherein:
the inner shell comprises a first top surface, two first side surfaces and a first bottom surface, wherein the first top surface is provided with a first buckling position, the two first side surfaces are respectively formed by integrally bending two sides of the first top surface downwards, and the first bottom surface is respectively formed by buckling first bending sections bent out of the lower ends of the two first side surfaces in opposite directions;
the shell comprises a second top surface, two second side surfaces and a second bottom surface, wherein the second top surface is provided with a second buckling position buckled with the first buckling position, the two second side surfaces are respectively formed by downwards integrally bending the second top surface, the second bottom surface is respectively buckled by second bending sections bent oppositely at the lower ends of the two second side surfaces, and the two second side surfaces are respectively provided with a fixing pin;
and a connecting part is arranged between the first top surface of the inner shell and the second top surface of the outer shell, the connecting part is provided with a hollow groove, the second top surface is folded along the connecting part and is superposed with the first top surface, so that the second buckling position and the first buckling position are buckled and fixed, and meanwhile, a lateral opening groove for clamping and stopping the insulating body of the connector is formed after the hollow groove is folded.
2. The shield case according to claim 1, characterized in that: one of the first bending sections is provided with a first dovetail groove, and the other first bending section is provided with a first dovetail block which is matched and buckled with the first dovetail groove.
3. The shield case according to claim 1, characterized in that: and a second dovetail groove is formed in one second bending section, and a second dovetail block is arranged in the other second bending section and is matched and fastened with the second dovetail groove.
4. The utility model provides a Type-C connector which characterized in that: the shielding shell comprises a terminal module and the shielding shell as claimed in any one of claims 1 to 3, wherein the terminal module is installed in an inner shell of the shielding shell, the terminal module comprises an insulating body, an upper row of terminal groups and a lower row of terminal groups, the upper row of terminal groups and the lower row of terminal groups are suitable for being inserted in a forward direction and a reverse direction, the rear side end of the insulating body is provided with a convex part, the convex part is laterally clamped into a lateral opening groove at the buckling side of the shielding shell, and the convex part is used for simultaneously clamping the inner shell and the rear side of the outer shell.
5. The Type-C connector of claim 4, wherein: the terminal module further comprises two middle spacers, each of the two middle spacers comprises a main body part and a clamping hook part which are integrally formed, the main body part is embedded in the insulating body and is in contact with the grounding terminals of the upper row of terminal group and the lower row of terminal group to conduct grounding, and the clamping hook parts are exposed on two sides of the front end of the insulating body.
6. The Type-C connector of claim 5, wherein: the main body part is provided with a first positioning hole, the first positioning hole is embedded in the insulating body, and the first positioning hole extends along the front and the back of the main body part; the joint of the main body part and the clamping hook part is provided with a second positioning hole, the second positioning hole is embedded in the insulating body, and the second positioning hole extends to the clamping hook part along the main body part.
7. A method of making a Type-C connector according to any of claims 2 to 6, wherein: the method comprises the following steps:
(1) putting a metal plate into a stamping die, stamping and forming a first top surface, a second top surface and a connecting part, respectively stamping a first buckling position and a second buckling position on the first top surface and the second top surface, and stamping a hollow groove on the connecting part;
(2) two sides of the first top plane are bent downwards to form two first side surfaces, and two sides of the second top plane are bent upwards to form two second side surfaces;
(3) the lower ends of the two first side surfaces are oppositely bent and buckled together to form a first bottom surface, and the first dovetail block is matched and buckled with the first dovetail groove, so that the first top surface, the two first side surfaces and the first bottom surface surround to form an accommodating cavity;
(4) the second top surface is bent reversely relative to the first top surface along the connecting part, so that the second top surface is superposed with the first top surface and is mutually buckled and fixed by the first buckling position and the second buckling position, and at the moment, a lateral open slot is formed in the hollow part in the connecting part;
(5) the lower ends of the two second side surfaces are oppositely bent and buckled together to form a second bottom surface, and the second dovetail block is matched and buckled with the second dovetail groove, so that the second bottom surface is overlapped with the first bottom surface, and the shielding shell is manufactured;
(6) and inserting the prepared and molded terminal module into the shielding shell from back to front for fixing, clamping the lateral part of the convex part into a lateral opening groove on the buckling side of the shielding shell, and clamping the rear sides of the inner shell and the outer shell simultaneously by the convex part so as to obtain the Type-C connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210223824.XA CN114614304A (en) | 2022-03-09 | 2022-03-09 | Shielding shell, Type-C connector and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210223824.XA CN114614304A (en) | 2022-03-09 | 2022-03-09 | Shielding shell, Type-C connector and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114614304A true CN114614304A (en) | 2022-06-10 |
Family
ID=81861217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210223824.XA Pending CN114614304A (en) | 2022-03-09 | 2022-03-09 | Shielding shell, Type-C connector and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114614304A (en) |
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Application publication date: 20220610 |
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