CN112510396A - Terminal assembly and electric connector - Google Patents
Terminal assembly and electric connector Download PDFInfo
- Publication number
- CN112510396A CN112510396A CN202011388775.2A CN202011388775A CN112510396A CN 112510396 A CN112510396 A CN 112510396A CN 202011388775 A CN202011388775 A CN 202011388775A CN 112510396 A CN112510396 A CN 112510396A
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- Prior art keywords
- terminal
- signal
- grounding
- butt
- section
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/7052—Locking or fixing a connector to a PCB characterised by the locating members
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
一种端子组件及电连接器，所述端子组件用于电连接至对接电路板，所述端子组件包括端子模块及定位板，所述端子模块包括若干个端子片，若干个所述端子片沿其厚度方向堆叠设置，所述定位板结合于所述端子模块贴近电路板一侧的表面上，定位板将各端子片限位固定。使得本申请端子组件及电连接器具有更好的组装精度。
A terminal assembly and an electrical connector, the terminal assembly is used to be electrically connected to a docking circuit board, the terminal assembly includes a terminal module and a positioning plate, the terminal module includes a plurality of terminal pieces, and a plurality of the terminal pieces are along They are stacked in the thickness direction, the positioning plate is combined with the surface of the terminal module on the side close to the circuit board, and the positioning plate limits and fixes each terminal piece. The terminal assembly and the electrical connector of the present application have better assembly precision.
Description
[ technical field ] A method for producing a semiconductor device
The embodiment of the application relates to the field of communication transmission, in particular to a terminal assembly and an electric connector.
[ background of the invention ]
The electrical connector assembly allows a user of the electronic device or external apparatus to transmit data to or communicate with other devices and apparatuses. Typically, the electrical connector assembly includes a pluggable module received within a receptacle assembly that includes a receptacle connector that is removably connectable to the pluggable module. The receptacle assembly includes a metal cage having an internal compartment that receives the pluggable module therein. A receptacle connector is retained in the interior compartment of the cage for connection with the pluggable module when the pluggable module is inserted therein.
Pluggable modules are generally constructed according to established standards of size and compatibility (e.g., Small Form factor Pluggable (SFP), XFP, Quad Small Form factor Pluggable (QSFP), Micro Quad Small Form factor Pluggable (Micro QSFP), or QSFP-DD (Quad Small Form factor Pluggable Double Density), standards of XFP, QSFP, Micro QSFP, and QSFP-DD require that module components can transmit data at high speed, e.g., 28 gbits per second, the Density, power output level, and signal transmission rate of such connector components are increasing, and the trend of miniaturization development of physical dimensions makes the requirements of manufacturing processes be increasing, e.g., the requirements of assembly positioning accuracy between a plurality of conductive terminals, particularly the requirements of the ends where the conductive terminals are butted to a circuit board, if a relatively large assembly accuracy error exists, the deviation of the positions where the conductive terminals are butted to the circuit board is directly affected, thereby adversely affecting.
Accordingly, there is a need for an improved terminal assembly and electrical connector.
[ summary of the invention ]
The present application is directed to a terminal assembly and an electrical connector with improved assembly accuracy.
In order to achieve the above purpose, the present application is implemented by the following technical solutions:
a terminal assembly for electrically connecting to a butt circuit board comprises a terminal module and a positioning plate, wherein the terminal module comprises a plurality of terminal pieces, the terminal pieces are stacked along the thickness direction of the terminal pieces, the positioning plate is combined on the surface of one side, close to the circuit board, of the terminal module, and the positioning plate is used for limiting and fixing the terminal pieces.
Furthermore, a plurality of protruding parts are formed on the surface of one side, which is attached to the circuit board, of the terminal module, and the positioning plate is fixed with the protruding parts in a limiting mode.
Furthermore, the plurality of terminal pieces comprise signal terminal pieces and grounding terminal pieces, wherein two signal terminal pieces are clamped between at least two adjacent grounding terminal pieces, and at least one protruding part is respectively formed on one side, which is attached to the butt circuit board, of each of the two signal terminal pieces between the two adjacent grounding terminal pieces.
Furthermore, at least one pair of adjacent bulges are formed on the side, which is attached to the butt circuit board, of the two signal terminal pieces between the two adjacent ground terminal pieces.
Further, two adjacent protrusions are arranged in a staggered mode along the inserting and pulling direction of the terminal assembly and the butting component, and the two adjacent protrusions are at least partially attached together along the thickness direction of the terminal piece.
Furthermore, each signal terminal piece comprises a plurality of signal terminals and an insulating piece combined with the signal terminals, and the protruding part on each signal terminal piece is formed by protruding the insulating piece.
Further, each signal terminal comprises a signal fixing section embedded in the corresponding insulating sheet, a signal contact section and a signal butt-joint section, wherein the signal contact section extends out of one end of the signal fixing section, the insulating sheet further extends out of the signal contact section, the signal butt-joint section extends out of the other end of the signal fixing section, the signal contact section is used for being in electric contact with a butt-joint element, the signal butt-joint section is used for being in electric contact with a butt-joint circuit board, and each protruding portion and the signal butt-joint section are correspondingly arranged.
Furthermore, each signal butt joint section passes through the corresponding bulge part and protrudes out of the insulation sheet.
Each grounding terminal piece comprises at least one grounding terminal and a blocking piece combined with the grounding terminal, each grounding terminal comprises a grounding fixed section embedded in the corresponding blocking piece, a grounding contact section and a grounding butt-joint section, the grounding contact section extends out of the blocking piece from one end of the grounding fixed section, the grounding butt-joint section extends out of the blocking piece from the other end of the grounding fixed section, the grounding contact section is used for being in electric contact with a butt-joint element, the grounding butt-joint section is used for being in electric contact with a butt-joint circuit board, the grounding terminal penetrates through the positioning plate, the grounding butt-joint section protrudes out of the positioning plate, a gap is formed between the protruding parts of the two signal terminal pieces positioned on the two sides of the grounding terminal piece and the corresponding grounding terminal, and the gap.
Furthermore, the position that the locating plate corresponds with the bulge is formed with the butt joint recess, the bulge matches spacing fixedly with the butt joint recess.
In order to achieve the above purpose, the present application is also achieved by the following technical solutions:
an electric connector comprises the terminal assembly and the metal cover, the terminal assembly further comprises an insulating shell, the terminal module is combined in the insulating shell, the metal cover is arranged on the periphery of the insulating shell, the terminal assembly and the metal cover jointly form an insertion space with an insertion opening, and the insertion space is used for inserting and extracting butt joint elements.
Compared with the prior art, the application has at least the following beneficial effects: and the assembly precision is better.
[ description of the drawings ]
FIG. 1 is a perspective view of an electrical connector of the present application;
FIG. 2 is a perspective view of the electrical connector of FIG. 1 from another angle;
fig. 3 is a perspective view of a terminal assembly of the electrical connector of the present application when coupled with an insulative housing;
fig. 4 is a perspective view of the terminal module of the electrical connector of the present application, which is coupled to the insulative housing and separated from the positioning plate;
FIG. 5 is an enlarged view of a portion of FIG. 4, particularly illustrating the structure within the dashed box of FIG. 4;
FIG. 6 is a perspective view of FIG. 4 from another angle;
FIG. 7 is an enlarged view of a portion of FIG. 6, particularly illustrating the structure within the dashed box of FIG. 6;
fig. 8 is a perspective view of the electrical connector of the present application with the terminal module, the insulating housing, and the positioning plate separated, and further showing a perspective view of the outermost ground terminal piece separated from the terminal module;
fig. 9 is an exploded view of a signal terminal plate and a ground terminal plate adjacent thereto of the electrical connector of the present application.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, in order to avoid obscuring the present application with unnecessary details, only the structures and/or processing steps closely related to some embodiments of the present application are shown in the drawings, and other details that are not relevant to some embodiments of the present application are omitted.
In addition, it is also to be noted that the terms "comprises," "comprising," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 to 9, a terminal assembly 100 and an electrical connector (not numbered) including the terminal assembly 100 disclosed in the present application further include a metal cover 5 covering the periphery of the terminal assembly 100. The metal cover 5 is formed of a metal plate and is substantially surrounded in a tubular shape of a hollow rectangular parallelepiped with an opening at one end. The terminal assembly 100 and the metal cover 5 together define a plug space (not labeled) having an insertion port for receiving a docking element (not shown) inserted by the insertion port. Signal transmission of the mating element with the electrical connector disclosed herein is achieved. The electric connector disclosed by the application is correspondingly combined with a circuit board.
Referring to fig. 3 to 5, the terminal assembly 100 includes an insulating housing 4, a terminal module 1 combined in the insulating housing 4, and a positioning plate 2 combined with the terminal module 1 and the insulating housing 4. The terminal module 1 includes a plurality of terminal pieces 11, and the plurality of terminal pieces 11 are stacked in a thickness direction thereof. A plurality of protruding parts 105 are formed on the surface of one side, attached to the circuit board, of the terminal module 1, and the positioning plate 2 is combined on the surface of one side, attached to the circuit board, of the terminal module 1 and is fixed to the protruding parts 105 in a limiting mode. In addition, please refer to fig. 4, in the present application, two side edges of the positioning plate 2 along the thickness direction of the terminal plate 11 are further formed with an ear portion 21, and the ear portion 21 is correspondingly clamped at the outer side of the insulating housing 4 (actually, a groove 401 matching with the ear portion 21 is formed on the outer side surface of the insulating housing 4 for the shape of the product to be regular). The positioning plate 2 is used for accurately positioning each terminal piece 11, and can effectively control the problem that the position of the terminal pieces 11 is not accurate after stacking due to manufacturing tolerance, assembling tolerance and the like.
Referring to fig. 8 and 9, the terminal plates 11 include signal terminal plates 111 and ground terminal plates 112, wherein two signal terminal plates 111 are sandwiched between two adjacent ground terminal plates 112. At least one pair of adjacent protrusions 105 is formed on the side where two signal terminal pieces 111 between two adjacent ground terminal pieces 112 are attached to a mating circuit board. Two adjacent protrusions 105 are arranged in a staggered manner along the insertion and extraction direction of the terminal assembly and the mating component, and two adjacent protrusions 105 are at least partially attached together along the thickness direction of the terminal piece 11. In addition, each of the signal terminal pieces 111 includes a plurality of signal terminals 101 and an insulating sheet 102 coupled to the signal terminals 101, and the protrusion 105 of the signal terminal piece 111 is formed by protruding the insulating sheet 102. By the design, the positioning plate 2 can have a positioning effect on none of the terminal pieces 11.
Referring to fig. 3 to 9, each of the signal terminals 101 includes a signal fixing section 1011 embedded in the corresponding insulating sheet 102, a signal contact section 1012 extending from one end of the signal fixing section 1011 to the insulating sheet 102, and a signal docking section 1013 extending from the other end of the signal fixing section 1011 to the insulating sheet 102, wherein the signal contact section 1012 is used for electrically contacting with a docking element, the signal docking section 1013 is used for electrically contacting with a docking circuit board, and each of the protrusions 105 is disposed corresponding to the signal docking section 1013. Each of the signal docking sections 1013 protrudes out of the insulation sheet 102 through the corresponding protrusion 105. By the design, the positioning plate 2 has a positioning effect on each signal butt joint section 1013.
Referring to fig. 8 and 9, each of the ground terminal plates 112 includes at least one ground terminal 103 and a blocking plate 104 combined with the ground terminal 103, the ground terminal 103 includes a ground fixing section 1031 embedded in the corresponding blocking plate 104, a ground contact section 1032 extending from one end of the ground fixing section 1031 to the blocking plate 104, and a ground docking section 1033 extending from the other end of the ground fixing section 1031 to the blocking plate 104, the ground contact section 1032 is used for electrically contacting with a docking element, the ground docking section 1033 is used for electrically contacting with a docking circuit board, the ground terminal 103 passes through the positioning plate 2, the ground docking section 1033 protrudes out of the positioning plate 2, a gap 1003 is formed between the protruding portions 105 of the two signal terminal plates 111 on both sides of the ground terminal plate 112 and the corresponding ground terminal 103, and the gap 1003 is filled by the positioning plate 2.
Referring to fig. 8 and 9, in the single terminal assembly 100 of the present application, nineteen terminal pieces 11 are stacked and combined, one ground terminal 103 is combined in each terminal piece 112, and the barrier piece 104 is formed by injection molding of an insulating material. Of course, in other embodiments, the barrier sheet 104 may also be made of conductive material, such as conductive plastic, or made by a powder metallurgy process, or made of insulating material by injection molding, and then forming a conductive layer at a local position by electroplating, spraying, or the like. In addition, eight terminals are combined in one signal terminal plate 111, and the signal contact sections 1012 of the eight terminals are divided into two groups in the vertical direction.
The positioning plate 2 is provided with a butt-joint groove 20 at a position corresponding to the protruding part 105, and the protruding part 105 is matched, limited and fixed with the butt-joint groove 20. The ground mating segments 1033 and the signal mating segments 1013 of each of the terminals protrude through the alignment plate 2. The metal cover 5 covers the periphery of the insulating housing 4, and the insulating housing 4, the terminal assembly and the metal cover 5 together form an insertion space (not labeled) with an insertion opening (not labeled), and the insertion space is used for inserting and extracting the butt joint element. The electrical connector of the present application is one of an SFP-type receptacle connector, a CFP-type receptacle connector, or a CXP-type receptacle connector.
Although the present application has been described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present application.
The above description is only a part of the embodiments of the present application, and not all embodiments, and any equivalent changes to the technical solutions of the present application, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present application.
Claims (11)
1. A terminal assembly for electrical connection to a mating circuit board, said terminal assembly comprising a terminal module and a positioning plate, said terminal module comprising a plurality of terminal pieces, said terminal pieces being stacked in a thickness direction thereof, characterized in that: the locating plate combines in on the surface of terminal module press close to circuit board one side, the locating plate is spacing fixed with each terminal piece.
2. The terminal assembly of claim 1, wherein: the terminal module is provided with a plurality of protruding parts on the surface of one side which is attached to the circuit board, and the positioning plate is fixed with the protruding parts in a limiting way.
3. The terminal assembly of claim 2, wherein: the plurality of terminal pieces comprise signal terminal pieces and grounding terminal pieces, wherein two signal terminal pieces are clamped between at least two adjacent grounding terminal pieces, and at least one protruding part is respectively formed on one side, which is attached to a butt circuit board, of each of the two signal terminal pieces between the two adjacent grounding terminal pieces.
4. A terminal assembly according to claim 3, characterised in that: at least one pair of adjacent bulges are formed on one side, which is attached to the butting circuit board, of the two signal terminal pieces between the two adjacent grounding terminal pieces.
5. The terminal assembly of claim 4, wherein: two adjacent protrusions are arranged in a staggered mode along the inserting and pulling direction of the terminal assembly and the butting component, and at least part of two adjacent protrusions are attached together along the thickness direction of the terminal piece.
6. A terminal assembly according to claim 3, characterised in that: each the signal terminal piece include a plurality of signal terminal and with the insulating piece that the signal terminal combines, bulge on the signal terminal piece by the protruding formation of extending of insulating piece.
7. The terminal assembly of claim 6, wherein: each signal terminal comprises a signal fixing section embedded in the corresponding insulating sheet, a signal contact section and a signal butt-joint section, wherein the signal contact section extends out of the insulating sheet from one end of the signal fixing section, the signal butt-joint section extends out of the insulating sheet from the other end of the signal fixing section, the signal contact section is used for being in electric contact with a butt-joint element, the signal butt-joint section is used for being in electric contact with a butt-joint circuit board, and each protruding part and the signal butt-joint section are correspondingly arranged.
8. The terminal assembly of claim 7, wherein: each signal butt joint section passes through the corresponding bulge part and protrudes out of the insulation sheet.
9. A terminal assembly according to claim 3, characterised in that: each grounding terminal piece comprises at least one grounding terminal and a blocking piece combined with the grounding terminal, each grounding terminal comprises a grounding fixed section embedded in the corresponding blocking piece, a grounding contact section and a grounding butt-joint section, the grounding contact section extends from one end of the grounding fixed section to form the blocking piece, the grounding butt-joint section extends from the other end of the grounding fixed section to form the blocking piece, the grounding contact section is used for being in electric contact with a butt-joint element, the grounding butt-joint section is used for being in electric contact with a butt-joint circuit board, the grounding terminal penetrates through a positioning plate, the grounding butt-joint section protrudes out of the positioning plate, gaps are formed between the protruding parts of the two signal terminal pieces positioned on the two sides of the grounding terminal piece and the corresponding grounding terminal, and.
10. The terminal assembly of claim 1, wherein: the positioning plate is provided with a butt joint groove at a position corresponding to the protruding part, and the protruding part is matched with the butt joint groove for limiting and fixing.
11. An electrical connector comprising the terminal assembly and the metal cover as set forth in any one of claims 1 to 10, wherein: the terminal assembly further comprises an insulating shell, the terminal module is combined in the insulating shell, the metal cover is covered on the periphery of the insulating shell, the terminal assembly and the metal cover form an insertion space with an insertion opening together, and the insertion space is used for inserting and extracting the butt joint element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388775.2A CN112510396A (en) | 2020-12-01 | 2020-12-01 | Terminal assembly and electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388775.2A CN112510396A (en) | 2020-12-01 | 2020-12-01 | Terminal assembly and electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112510396A true CN112510396A (en) | 2021-03-16 |
Family
ID=74969110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011388775.2A Pending CN112510396A (en) | 2020-12-01 | 2020-12-01 | Terminal assembly and electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112510396A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165448A (en) * | 2019-06-06 | 2019-08-23 | 东莞讯滔电子有限公司 | electrical connector |
| CN209592368U (en) * | 2019-04-29 | 2019-11-05 | 温州意华接插件股份有限公司 | Board connector |
| WO2019217521A1 (en) * | 2018-05-08 | 2019-11-14 | Molex, Llc | Coaxial connector system |
| CN111244668A (en) * | 2020-03-09 | 2020-06-05 | 温州意华接插件股份有限公司 | High-speed electric connector |
| CN111864477A (en) * | 2020-06-19 | 2020-10-30 | 东莞立讯技术有限公司 | backplane connector |
| CN213959163U (en) * | 2020-12-01 | 2021-08-13 | 温州意华接插件股份有限公司 | Terminal assembly and electric connector |
-
2020
- 2020-12-01 CN CN202011388775.2A patent/CN112510396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019217521A1 (en) * | 2018-05-08 | 2019-11-14 | Molex, Llc | Coaxial connector system |
| CN209592368U (en) * | 2019-04-29 | 2019-11-05 | 温州意华接插件股份有限公司 | Board connector |
| CN110165448A (en) * | 2019-06-06 | 2019-08-23 | 东莞讯滔电子有限公司 | electrical connector |
| CN111244668A (en) * | 2020-03-09 | 2020-06-05 | 温州意华接插件股份有限公司 | High-speed electric connector |
| CN111864477A (en) * | 2020-06-19 | 2020-10-30 | 东莞立讯技术有限公司 | backplane connector |
| CN213959163U (en) * | 2020-12-01 | 2021-08-13 | 温州意华接插件股份有限公司 | Terminal assembly and electric connector |
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