CN221176701U - Terminal structure of Type-C interface - Google Patents
Terminal structure of Type-C interface Download PDFInfo
- Publication number
- CN221176701U CN221176701U CN202323194576.XU CN202323194576U CN221176701U CN 221176701 U CN221176701 U CN 221176701U CN 202323194576 U CN202323194576 U CN 202323194576U CN 221176701 U CN221176701 U CN 221176701U
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- Prior art keywords
- terminal
- welding
- interface
- type
- injection molding
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- 238000003466 welding Methods 0.000 claims description 85
- 229920003023 plastic Polymers 0.000 claims description 40
- 239000004033 plastic Substances 0.000 claims description 40
- 238000001746 injection moulding Methods 0.000 claims description 27
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000005476 soldering Methods 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a terminal structure of a Type-C interface, which aims to solve the technical problems that the number of terminals required in the prior art is more or less, the types of used dies are increased or reduced, and the development cost of the dies is increased, and the dies are increased.
Description
Technical Field
The utility model belongs to the technical field of connectors, and particularly relates to a terminal structure of a Type-C interface.
Background
Type-C is a USB interface specification, comprises Type-C female end socket and Type-C male end connector.
In the prior art, as shown in fig. 1, a terminal assembly of a Type-C male connector is composed of an upper terminal 1', a hook 3', and a lower terminal 4', wherein the upper terminal 1' includes a solder leg 11' and a conductive terminal 12', and because the existing male connectors have low compatibility of parts, the parts of different types of male connectors are different or not identical, the parts produced according to the same specification cannot be adapted to the specific types of male connectors, and the number of the upper terminals 1' is more or less than that required to manufacture parts in corresponding scenes, respectively, the types of used molds are increased, resulting in increased mold development costs and increased costs.
Disclosure of utility model
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide a terminal structure of a Type-C interface, which aims to solve the technical problems of high development cost and high cost of a die caused by the increase or decrease of the types of the used die because the number of the required terminals is more or less in the prior art.
(2) Technical proposal
The utility model provides a terminal structure of Type-C interface, includes the shell that has the front and back link up, fills in the plastic cover in the shell, the front end shaping of plastic cover has the concave socket backward, still has from the rear end of plastic cover inserts terminal subassembly and a pair of couple of socket, the rear end of plastic cover still is equipped with the welded plate, terminal subassembly includes the different first terminal group of structure and second terminal group, the second terminal group includes well terminal and injection molding body, well terminal includes contact and weld, contact with the injection molding body that obtains through moulding plastics between the weld is fixed, with different quantity the weld with the different quantity the contact is through moulding plastics after the free combination obtains different grade Type the second terminal group.
Further, the second terminal group includes a middle terminal and an injection-molded body, the middle terminal being composed of three contact portions in number and one weld portion in number.
Further, the welding plate is provided with a first end groove and a second end groove, the number of the first end grooves is two, and the number of the second end grooves is one.
Further, one end of the welding part forms a first welding head, and the other end of the welding part forms three second welding heads.
Further, the shell is provided with a clamping groove, and the plastic sleeve is provided with a clamping part which is clamped in the clamping groove when the plastic sleeve is installed in the shell.
Further, the second terminal group includes two different types of middle terminals and an injection molded body, wherein one end of the welding portion of one of the middle terminals forms a first welding head, the other end forms two second welding heads, and one end of the welding portion of the other of the middle terminals forms a first welding head, and the other end forms a second welding head.
Further, two first end grooves and two second end grooves are formed in the welding plate.
Further, the second terminal group includes three different types of intermediate terminals and an injection molded body, each of the intermediate terminals includes a contact portion and a solder portion, and the contact portions of the three intermediate terminals have the same structure but different structures.
Further, two first end grooves and three second end grooves are formed in the welding plate.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the welding part and the contact part are obtained through the stamping forming of the hardware stamping die, and the welding part and the contact part of different types can be fixed through the injection molding of one die to obtain the second terminal group of different types, so that the development cost of the die, the die cost and the die processing cost are greatly saved.
Drawings
Fig. 1: an exploded view of a prior art terminal assembly.
Fig. 2: male-plug three-dimensional structure diagram of a first embodiment of the present utility model.
Fig. 3: plug explosion diagram of a first embodiment of the present utility model.
Fig. 4: three-dimensional structure of the middle terminal and the injection molded body of the first embodiment of the present utility model.
Fig. 5: an exploded view of the middle terminal of the first embodiment of the present utility model.
Fig. 6: the second terminal set of the first embodiment of the utility model is located in a cross-sectional view of the plastic sleeve.
Fig. 7: the middle terminal and injection molding body of the second embodiment of the present utility model are three-dimensional structures.
Fig. 8: an exploded view of a middle terminal of a second embodiment of the present utility model.
Fig. 9: the second terminal set of the second embodiment of the utility model is located in a cross-section of the plastic sleeve.
Fig. 10: three-dimensional structure of a middle terminal and an injection molded body according to a third embodiment of the present utility model.
Fig. 11: an exploded view of a middle terminal of a third embodiment of the present utility model.
Fig. 12: the second terminal set of the third embodiment of the utility model is located in the plastic sleeve in a cross-section.
The components in the drawings are marked as follows: 1-a housing; 11-a clamping groove; 2-plastic sleeve; 21-socket; 22-welding plates; 221-a first end slot; 222-a second end slot; 23-an engagement portion; a 3-terminal assembly; 4-a second terminal set; 41-middle terminals; 411-contacts; 412-a weld; 4121-a first weld head; 4122-a second weld head; 42-injection molding; 5-a first terminal set; 6-a hook.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;
Please refer to fig. 2-12;
1-6 show a terminal structure of a Type-C interface in the first embodiment, which comprises a housing 1 with a front-back through, a plastic sleeve 2 filled in the housing 1, wherein a socket 21 recessed backwards is formed at the front end of the plastic sleeve 2; the terminal assembly 3 and a pair of hooks 6 are inserted into the socket 21 from the rear end of the plastic sleeve 2, the terminal assembly 3 comprises a first terminal group 5 and a second terminal group 4 which are different in structure, the second terminal group 4 comprises a plurality of contact parts 411 and a plurality of welding parts 412 which are at least one, an injection molding body 42 obtained by injection molding is arranged between the contact parts 411 and the welding parts 412, and the hooks 6 are symmetrically distributed among the side walls of the socket 21; the rear end of the plastic sleeve 2 is also provided with a welding plate 22, and the rear ends of the terminal assembly 3 and the hook 6 extend out of the plastic sleeve 2 to form electric connection with the welding plate 22; it is to be noted that, the welding part 412 and the contact part 411 are obtained through the press forming of the hardware press die, the contact part 411 and the welding part 412 can be fixed by one injection molding through a set of plastic molds to obtain the second terminal group 4, the second terminal groups 4 of different types are obtained through injection molding after the welding parts 412 of different numbers and the contact parts 411 of different numbers are freely combined, and only one mold is needed for producing the injection molding body 42 of the second terminal group 4 of different types, so that the mold cost and the processing cost are greatly saved, and the production cost is effectively reduced.
As shown in fig. 4, in the first embodiment, the second terminal set 4 includes a middle terminal 41 and an injection molding body 42, the middle terminal 41 is composed of three contact portions 411 and one welding portion 412, the three contact portions 411 and one welding portion 412 are injection molded by a plastic mold to obtain the second terminal set 4, the welding plate 22 is provided with a first end groove 221 and a second end groove 222, the number of the first end grooves 221 is 2, the rear end of the first terminal set 5 extends into the first end groove 221 to realize the fixed electrical connection between the first terminal set 5 and the welding plate 22 and the plastic sleeve 2 through soldering tin, the number of the second end grooves 222 is one, one welding portion 412 extends into the second end groove 222 to realize the fixed electrical connection between the second terminal set 4 and the welding plate 22 and the plastic sleeve 2 through soldering tin, and when the socket 21 of the male connector is connected to an external device, the first end groove 221 and the second end groove 222 can protect the terminal assembly 3 from improper connection caused by improper connection of the terminal assembly 3.
As shown in fig. 5 and 6, specifically, in the first embodiment, one end of the welding portion 412 is formed with a first welding head 4121, and the other end of the welding portion 412 is formed with three second welding heads 4122, and during injection molding, the welding portion 412 and the contact portion 411 are placed at corresponding positions in the mold, at this time, the first welding heads 4121 extend out of the mold, and the three second welding heads 4122 are respectively in one-to-one correspondence with and contact with the three contact portions 411, so that the welding heads are connected and fixed with one end of the contact portion 411 by injection molding into the mold to realize electrical connection, and meanwhile, the first welding heads 4121 are used for being inserted into the second end slots 222 to fix the second terminal group 4 with the plastic sleeve 2 by soldering tin.
The casing 1 is a hollow penetrating structure, the casing 1 is sleeved outside the plastic sleeve 2, so as to avoid the contact between the components in the casing and the external environment, and damage caused by the influence of external environmental factors, the casing 1 can be formed by metal stamping, metal stretching, or other methods, and the invention is not limited herein. The fixing of the housing 1 and the plastic sleeve 2 can be performed by means of screws, adhesion, etc.
Specifically, the housing 1 is provided with a locking groove 11, the plastic sleeve 2 is provided with a locking portion 23, when the plastic sleeve 2 is mounted in the housing 1, the locking portion 23 is locked in the locking groove 11, the locking groove 11 may be configured into various shapes and structures, such as a triangular end groove, a rectangular end groove, etc., and in this embodiment, the locking groove 11 is rectangular.
As shown in fig. 7-9, a second embodiment is shown, where the second terminal set 4 includes two different types of middle terminals 41 and an injection molding body 42, the two different types of middle terminals 41 are injection molded by a plastic mold to obtain the second terminal set 4, the welding plate 22 is provided with a first end groove 221 and a second end groove 222, the number of the first end grooves 221 is two, the rear end of the first terminal set 5 extends into the first end groove 221, the fixed electrical connection between the first terminal set 5 and the welding plate 22 and the plastic sleeve 2 is realized by soldering tin, the number of the second end grooves 222 is two, and the soldering parts 412 of the two different types of middle terminals 41 extend into the second end grooves 222 to realize the fixed electrical connection between the second terminal set 4 and the welding plate 22 and the plastic sleeve 2 by soldering tin.
Specifically, in the second embodiment, in two different types of middle terminals 41, one first welding head 4121 is formed at one end of the welding portion 412 of one middle terminal 41, two second welding heads 4122 are formed at the other end, one first welding head 4121 is formed at one end of the welding portion 412 of the other middle terminal 41, one second welding head 4122 is formed at the other end, two welding portions 412 with different structures and three contact portions 411 with the same structure are placed at corresponding positions in the mold during injection molding, at this time, the first welding head 4121 extends out of the mold, and the three second welding heads 4122 of the two welding portions 412 with different structures are respectively in one-to-one correspondence and contact with the three contact portions 411, and by injection molding into the mold, each welding head is connected and fixed to one end of each contact portion 411 to achieve electrical connection, and at the same time, the first welding head 4121 is used for inserting into the second end groove 222 to fix the second terminal group 4 to the plastic sleeve 2 by soldering tin.
As shown in fig. 10-12, a third embodiment is shown, in which the second terminal set 4 includes three different types of middle terminals 41 and one injection molding body 42, each middle terminal 41 includes only one contact portion 411 and one welding portion 412, and the contact portions 411 of the three middle terminals 41 have the same structure, but the welding portions 412 are different, the three contact portions 411 of the same structure and the three welding portions 412 of the different structure are injection molded by plastic molds to obtain the second terminal set 4, the welding plate 22 is provided with a first end slot 221 and a second end slot 222, the number of the first end slots 221 is two, the rear end of the first terminal set 5 extends into the first end slot 221 to realize the fixed electrical connection between the first terminal set 5 and the welding plate 22 and the plastic sleeve 2 by soldering tin, the number of the second end slots 222 is three, and the three welding portions 412 of different structures extend into the second end slot 222 to realize the fixed electrical connection between the second terminal set 4 and the welding plate 22 and the plastic sleeve 2 by soldering tin.
Specifically, during injection molding, the three welding parts 412 with different structures and the three contact parts 411 with the same structure are placed at corresponding positions in the mold, at this time, the first welding heads 4121 extend out of the mold, and the three second welding heads 4122 are respectively in one-to-one correspondence with and contact with the three contact parts 411, so that the welding heads and one end of the contact parts 411 are fixedly connected to realize electrical connection through injection molding into the mold, and meanwhile, the first welding heads 4121 are used for being inserted into the second end slots 222 to fix the second terminal group 4 and the plastic sleeve 2 through soldering tin.
As can be seen from the above embodiments, the welding portion 412 and the contact portion 411 of different types are fixed by one mold injection molding to obtain the second terminal set 4 of different types, so that the mold development cost, the mold cost and the mold processing cost are greatly saved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.
Claims (9)
1. Terminal structure of Type-C interface, including shell (1) that link up around having, fill in shell (1) plastic cover (2), the front end shaping of plastic cover (2) has backward concave socket (21), still has from the rear end of plastic cover (2) inserts terminal subassembly (3) and a pair of couple (6) of socket (21), the rear end of plastic cover (2) still is equipped with welded plate (22), terminal subassembly (3) are including first terminal group (5) and second terminal group (4) that the structure is different, second terminal group (4) are including well terminal (41) and injection molding body (42), its characterized in that: the middle terminal (41) comprises a contact part (411) and a welding part (412), an injection molding body (42) obtained by injection molding is fixed between the contact part (411) and the welding part (412), and different numbers of the welding parts (412) and different numbers of the contact parts (411) are freely combined and then different types of second terminal groups (4) are obtained by injection molding.
2. The terminal structure of Type-C interface of claim 1, wherein: the second terminal group (4) comprises a middle terminal (41) and an injection molding body (42), wherein the middle terminal (41) is composed of three contact parts (411) and one welding part (412).
3. The terminal structure of Type-C interface of claim 2, wherein: the welding plate (22) is provided with a first end groove (221) and a second end groove (222), the number of the first end grooves (221) is two, and the number of the second end grooves (222) is one.
4. A terminal structure of a Type-C interface as claimed in claim 3, wherein: one end of the welding part (412) forms a first welding head (4121), and the other end of the welding part (412) forms three second welding heads (4122).
5. The terminal structure of Type-C interface of claim 4, wherein: the shell (1) is provided with a clamping groove (11), the plastic sleeve is provided with a clamping part (23), and when the plastic sleeve is installed in the shell (1), the clamping part (23) is clamped in the clamping groove (11).
6. The terminal structure of Type-C interface of claim 1, wherein: the second terminal group (4) comprises two different types of middle terminals (41) and an injection molding body (42), wherein one end of a welding part (412) of one middle terminal (41) forms a first welding head (4121), the other end forms two second welding heads (4122), and one end of the welding part (412) of the other middle terminal (41) forms a first welding head (4121), and the other end forms a second welding head (4122).
7. The terminal structure of Type-C interface of claim 6, wherein: the welding plate (22) is provided with two first end grooves (221) and two second end grooves (222).
8. The terminal structure of Type-C interface of claim 1, wherein: the second terminal group (4) comprises three different types of middle terminals (41) and an injection molding body (42), each middle terminal (41) comprises a contact part (411) and a welding part (412), and the contact parts (411) of the three quick-speed middle terminals (41) are identical in structure, but the welding parts (412) are different in structure.
9. The terminal structure of Type-C interface of claim 8, wherein: two first end grooves (221) and three second end grooves (222) are formed in the welding plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323194576.XU CN221176701U (en) | 2023-11-27 | 2023-11-27 | Terminal structure of Type-C interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323194576.XU CN221176701U (en) | 2023-11-27 | 2023-11-27 | Terminal structure of Type-C interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221176701U true CN221176701U (en) | 2024-06-18 |
Family
ID=91459048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323194576.XU Active CN221176701U (en) | 2023-11-27 | 2023-11-27 | Terminal structure of Type-C interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221176701U (en) |
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2023
- 2023-11-27 CN CN202323194576.XU patent/CN221176701U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |