Bidirectional butt joint single-side electrical connection type electric connector combination
By designing a two-way docking and single-sided electrical connection type electrical connector combination that does not require welding, the problems of complex manufacturing process and limited application range of existing electrical connectors are solved, and the effects of simplifying manufacturing and expanding the application range are achieved.
Patent Information
- Application Number
- CN202410306978.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-09-19
AI Technical Summary
Existing electrical connectors need to be soldered to a circuit board, which results in a complex manufacturing process and is limited in scope of application by the circuit board structure.
A two-way docking and single-sided electrical connection type electrical connector combination is designed, which docks the circuit board with the opponent connector of the main circuit board, avoiding the welding process with the circuit board.
The electrical connection between the electrical connector and the circuit board can be achieved without soldering, which simplifies the manufacturing process and expands the scope of application.
Smart Images

Figure CN120674828A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of an electrical connector, and more particularly to a bidirectional docking single-sided electrical connection type electrical connector assembly capable of bidirectional docking. Background Art
[0002] Electrical connectors are used to connect different electronic components or modules, enabling electronic signals to be transmitted between them. The electrical connector mates with a mating connector, and signals are transmitted through the first terminals of the electrical connector itself. Existing electrical connectors have a front end that forms a docking interface with the mating connector, while the back end is attached to a circuit board. One end of the first terminal mates with the first terminal of the mating connector, and the other end is soldered to the circuit board. This allows electronic signals to be transmitted from the electronic device to the circuit board through the mating of the two electrical connectors.
[0003] Since this conventional electrical connector structure is directly soldered to the main circuit board to form an electrical connection, a soldering process must be implemented during the manufacturing process to connect the electrical connector to the circuit board. This not only complicates the manufacturing process, but is also limited by the structure of the circuit board, and its application range is also limited. Summary of the Invention
[0004] In view of this, the purpose of the present invention is to provide a two-way docking single-sided electrical connection type electrical connector combination, in which the other end of the first terminal is not connected to the circuit board using a welding process, but is docked with the counterpart connector of the main circuit board via the docking circuit board. This eliminates the need for a welding process, solves the problem of the complicated process of the existing technology, and also solves the problem of being unable to expand the scope of application due to limitations of the circuit board structure.
[0005] The present invention provides a bidirectional docking single-sided electrical connection type electrical connector combination, which includes a first electrical connector, a docking circuit board and a second electrical connector. The first electrical connector includes a plurality of first terminals and a first insulating structure, the first terminals are arranged in at least one row, each first terminal includes a first docking portion, a first fixing portion and a first welding portion, the first docking portion and the first welding portion are connected to opposite ends of the first fixing portion, the first insulating structure includes a base and a tongue plate, the tongue plate is connected to one side of the base, the tongue plate corresponds to the first docking side, the first docking portion of the first terminal is combined with the tongue plate, and the fixing portion of the first terminal is combined with the base. The docking circuit board includes a circuit board body, a plurality of first electrical connection portions and a plurality of second electrical connection portions, the first electrical connection portion and the second electrical connection portion are respectively arranged at a first end and a second end of the circuit board body that are oppositely arranged, and are electrically connected through the circuit board body, and the first electrical connection portion is electrically connected to the first welding portion of the first terminal. The second electrical connector includes a plurality of second terminals and a second insulating structure. The second terminals are coupled to the second insulating structure and arranged in a row. Each second terminal includes a second mating portion, a second fixing portion, and a second soldering portion. The second mating portion and the second soldering portion are connected to opposite ends of the second fixing portion. The second electrical connection portion of the mating circuit board is electrically connected to the second mating portion of the second terminal. The first electrical connection portions are arranged in a row, and the second electrical connection portions are arranged in a row. The first electrical connection portions and the second electrical connection portions are located on the same side of the mating circuit board.
[0006] In another embodiment, the circuit board body of the docking circuit board is positioned on the base of the first insulating structure.
[0007] In another embodiment, the first terminals are arranged into a first terminal row and a second terminal row opposite to each other, the first docking portion of the first terminal of the first terminal row is located on the upper surface of the tongue plate, and the first docking portion of the first terminal of the second terminal row is located on the first lower surface of the first tongue plate.
[0008] In another embodiment, the first soldering portions of the first terminals of the first terminal row and the first soldering portions of the first terminals of the second terminal row are arranged in a row and soldered to the first electrical connection portion.
[0009] In another embodiment, the first end and the second end of the circuit board body of the docking circuit board are located at the same horizontal position and the first end and the second end extend in opposite directions.
[0010] In another embodiment, the second insulating structure of the second electrical connector includes a coupling slot, the second mating portion of the second terminal is disposed in the coupling slot, and the second end of the mating circuit board is disposed in the coupling slot.
[0011] In another embodiment, the first terminal row includes a first conventional signal terminal pair, two first functional terminals arranged on both sides of the first conventional signal first terminal pair, two first power terminals arranged outside the two first functional terminals, two pairs of first high-frequency signal terminal pairs arranged outside the two first power terminals, and two first ground terminals arranged outside the two pairs of first high-frequency signal terminal pairs, and the second terminal row includes a second conventional signal terminal pair, two second functional terminals arranged on both sides of the second conventional signal terminal pair, two second power terminals arranged outside the two second functional terminals, two pairs of second high-frequency signal terminal pairs arranged outside the two second power terminals, and two second ground terminals arranged outside the two second high-frequency signal terminal pairs.
[0012] The bidirectional docking single-sided electrical connection type electrical connector combination provided by the present invention also includes a metal shell, which is fixed to the base of the first insulating structure and surrounds the tongue plate. The docking circuit board is located outside the metal shell. The metal shell forms a pair of interfaces at one end away from the base, and a docking space for docking with the opposing connector is formed between the metal shell and the tongue plate.
[0013] In another embodiment, the metal shell further includes a positioning clamping portion, which clamps the second end of the docking circuit board. The docking circuit board further includes multiple grounding portions, which are arranged at the second end and the positioning clamping portion abuts against the grounding portions.
[0014] The bidirectional docking single-side electrical connection type electrical connector assembly provided by the present invention further includes a metal reinforcement member disposed on the outer surface of the metal shell, and the metal reinforcement member is combined with the metal shell by a snap-fit structure and / or a welding structure.
[0015] In another embodiment, the metal reinforcement includes a reinforcement body and a pair of wing plates, which are disposed on opposite sides of the reinforcement body. Each wing plate has a through hole for a bolt to pass through to be fastened to an electronic module.
[0016] The present invention provides a bidirectional docking single-sided electrical connection type electrical connector combination, wherein the first electrical connector forms an electrical connection with the main circuit board by docking with the circuit board and the second electrical connector, and the electrical connection effect can be achieved without soldering to the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a perspective view of an embodiment of a bidirectional docking single-sided electrical connection type electrical connector assembly of the present invention.
[0018] Figure 2 yes Figure 1 A three-dimensional view from another perspective of the two-way docking single-side electrical connection type electrical connector assembly.
[0019] Figure 3 yes Figure 1 A perspective exploded view of a two-way docking, single-sided electrical connection type electrical connector assembly.
[0020] Figure 4 yes Figure 2 A perspective exploded view of a two-way docking, single-sided electrical connection type electrical connector assembly.
[0021] Figure 5 yes Figure 1 A cross-sectional view of a two-way docking single-side electrical connection type electrical connector assembly.
[0022] Figure 6 It is a perspective view of the connection between the first terminal of the first electrical connector, the mating circuit board, and the second terminal of the second electrical connector of the present invention.
[0023] Figure 7 yes Figure 6 A stereogram from another perspective.
[0024] Explanation of the reference numerals: 1-bidirectional docking single-sided electrical connection type electrical connector combination; 5-first electrical connector; 7-main circuit board; 10-first terminal; 10a-first docking portion; 10b-first welding portion; 10c-first fixing portion; 20-first insulating structure; 21-tongue plate; 23-base; 30-middle partition; 40-metal shell; 41-docking port; 42-docking space; 50-metal reinforcement; 51-reinforcement body; 52-wing plate portion; 60-docking circuit board; 61-circuit board body; 62-first electrical connection portion; 63-second electrical connection portion; 70-second electrical connector; 71-second terminal; 72-second insulating structure; 73-covering member; 521-through hole; 611-first end; 612-second end; 721-combination groove; 711-second docking portion; 712-second fixing portion; 713-second welding portion. DETAILED DESCRIPTION
[0025] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 The bidirectional docking single-sided electrical connection type electrical connector assembly 1 of this embodiment includes a first electrical connector 5 , a docking circuit board 60 and a second electrical connector 70 .
[0026] The first electrical connector 5 includes a plurality of first terminals 10, a first insulating structure 20, a middle partition 30, a metal shell 40, and a metal reinforcement 50. The plurality of first terminals 10 are arranged in at least one row. The first terminals 10 of this embodiment comply with the USB Type-C specification and therefore include a first terminal row A and a second terminal row B. The first terminal row A includes a first regular signal terminal pair, two first functional terminals disposed on either side of the first regular signal terminal pair 11, two first power terminals disposed outside the two first functional terminals, two pairs of first high-frequency signal terminal pairs disposed outside the two first power terminals, and two first grounding first terminals disposed outside the two pairs of first high-frequency signal first terminals. The second terminal row B includes a second regular signal terminal pair, two second functional terminals disposed on either side of the second regular signal terminal pair, two second power terminals disposed outside the two second functional terminals, two pairs of second high-frequency signal terminal pairs disposed outside the two second power terminals, and two second grounding terminals disposed outside the two second high-frequency signal terminal pairs.
[0027] Although this embodiment uses the USB type C specification as an example for illustration, the present invention is not limited thereto. Electrical connectors with other connection interfaces may also be applicable, such as USB2.0 type A and USB3.1 type A electrical connectors or HDMI, DisplayPort and other connectors.
[0028] Each first terminal 10 includes a first mating portion 10a, a first soldering portion 10b, and a first fixing portion 10c. The first mating portion 10a and the first soldering portion 10b are connected to opposite ends of the first fixing portion 10c. The first soldering portions 10b of the first terminals 10 in the first terminal row A and the first soldering portions 10b of the first terminals 10 in the second terminal row B are arranged in a row.
[0029] The middle separator 30 is located between the first terminal row A and the second terminal row B. It provides electromagnetic shielding between the first terminals 10 in the first terminal row A and the first terminals 10 in the second terminal row B. The shape of the middle separator 30 matches the shape of the first terminals 10, and the central portion corresponding to the first fixing portion 10c of the first terminal is also curved.
[0030] The first insulating structure 20 includes a tongue plate 21 and a base 23. The tongue plate 21 is connected to one side of the base 23. The first terminal 10 is coupled to the first insulating structure 20. The first mating portion 10a of the first terminal 10 is coupled to the tongue plate 21. The first mating portion 10a of the first terminal row A is located on the upper surface of the tongue plate 21, and the second terminal row B is located on the lower surface of the tongue plate 21. The fixing portion 10c of the first terminal 10 is coupled to the base 23. The first welding portion 10b of the first terminal 10 extends rearward from one side of the base 23 and protrudes from the base 23. The base 23 has an abutment portion 231 extending from the rear of the base 23 in a direction opposite to the tongue plate 21 and located below the first welding portion 10b of the first terminal 10.
[0031] The docking circuit board 60 includes a circuit board body 61, a plurality of first electrical connection portions 62, and a plurality of second electrical connection portions 63. The circuit board body 61 includes a first end 611 and a second end 612 disposed opposite each other. The plurality of first electrical connection portions 62 are disposed on the surface of the circuit board body 61 near the first end 611, and the plurality of second electrical connection portions 63 are disposed on the surface near the second end 612. The plurality of first electrical connection portions 62 and the plurality of second electrical connection portions 63 are electrically connected through the circuit board body 61. The first end 611 and the second end 612 of the circuit board body 61 are offset, with the first end 611 positioned higher than the second end 612. The first end 611 and the second end 612 extend in opposite directions. The docking circuit board 60 can be a rigid circuit board made of epoxy resin and fiberglass, or a flexible circuit board.
[0032] The first end 611 of the circuit board body 61 of the docking circuit board 60 is positioned on the base 23 of the first insulating structure 20. The plurality of first electrical connection portions 62 and the plurality of second electrical connection portions 63 correspond to the configuration of the first terminal 10. As previously described, the first terminal 10 includes a first terminal row A and a second terminal row B. The plurality of first electrical connection portions 62 are arranged in a row on the upper and lower surfaces of the docking circuit board body 61 near the second end 612. The plurality of second electrical connection portions 63 abut against the first soldering portion 10b of the first terminal 10 and form an electrical connection via a soldered structure. The plurality of first electrical connection portions 62 are arranged in a row on the lower surface of the circuit board body 61 near the first end 611. The first electrical connection portions 62 located on the lower surface near the first end 611 form an electrical connection with the second electrical connection portions 63 located on the lower surface near the second end 612. The two rows of second electrical connection portions 63 disposed on the lower surface of the circuit board body 61 near the second end 612 can be used to connect to the second electrical connector 70 .
[0033] The metal shell 40 is fixed to the base 23 of the first insulating structure 20 and surrounds the tongue 21 . A pair of interfaces 41 are formed at one end of the metal shell 40 away from the base 23 . A mating space 42 for mating with a mating connector is formed between the metal shell 40 and the tongue 21 .
[0034] The metal reinforcement 50 is disposed on the outer surface of the metal housing 40 and is joined to the metal housing 40 via a snap-fit structure and / or a welded structure. The metal reinforcement 50 comprises a reinforcement body 51 and a pair of wing panels 52 disposed on opposite sides of the reinforcement body 50. The reinforcement body 51 is laser welded to the outer surface of the metal housing 40. Each wing panel 52 has a through hole 521 for a bolt to pass through and secure to the interface structure of the electronic module.
[0035] The second electrical connector 70 is arranged on a main circuit board 7. The second electrical connector 70 includes a plurality of second terminals 71, a second insulating structure 72 and a pressure cover 73. The second terminals 71 are combined with the second insulating structure 72. The second insulating structure 72 includes a coupling groove 721. The pressure cover 73 is rotatably arranged on the second insulating structure 72 and can cover the coupling groove 721. The second terminals 71 are arranged in a row, and each second terminal 70 includes a second docking portion 711, a second fixing portion 712 and a second welding portion 713. The second docking portion 711 and the second welding portion 713 are connected to the opposite ends of the second fixing portion 712. The second docking portion 711 is arranged in the coupling groove 721, and the second end 612 of the docking circuit board 60 is inserted into the coupling groove 721. The pressure cover 73 is pressed onto the second end 612 of the docking circuit board 60, so that the docking circuit board 60 is positioned in the coupling groove 721, and the second electrical connection portion 63 of the docking circuit board 60 is electrically connected to the second docking portion 711 of the second terminal 71, and the second welding portion 713 of the second terminal 71 is welded to the main circuit board.
[0036] The present invention provides a bidirectional docking single-sided electrical connection type electrical connector combination, wherein the first electrical connector forms an electrical connection with the main circuit board by docking with the circuit board and the second electrical connector, and the electrical connection effect can be achieved without soldering to the circuit board.
[0037] The above description is only a preferred embodiment of the present invention, and it cannot be used to limit the scope of implementation of the present invention. That is, simple equivalent changes and modifications made according to the claims and description of the present invention are still within the scope of the present invention. In addition, any embodiment or claim of the present invention does not need to achieve all the purposes, advantages or features provided by the present invention. In addition, the abstract and title are only used to assist in searching patent documents and are not used to limit the scope of protection of the present invention. In addition, the terms "first", "second", etc. mentioned in the description or claims of the present invention are only used to name the elements or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.
Claims
1. A two-way docking single-side electrical connection type electrical connector assembly, characterized in that: include: A first electrical connector comprising a plurality of first terminals and a first insulating structure, the plurality of first terminals being arranged in at least one row, each of the first terminals comprising a first mating portion, a first fixing portion, and a first soldering portion, the first mating portion and the first soldering portion being connected to opposite ends of the first fixing portion. The first insulating structure comprises a base and a tongue plate, the tongue plate being connected to one side of the base and corresponding to the first mating side. The first mating portions of the plurality of first terminals are coupled to the tongue plate, and the fixing portions of the plurality of first terminals are coupled to the base. A docking circuit board comprising a circuit board body, a plurality of first electrical connection portions, and a plurality of second electrical connection portions, wherein the plurality of first electrical connection portions and the plurality of second electrical connection portions are respectively disposed at a first end and a second end of the circuit board body and are electrically connected to each other through the circuit board body, and the plurality of first electrical connection portions are electrically connected to the plurality of first soldering portions of the plurality of first terminals; and a second electrical connector comprising a plurality of second terminals and a second insulating structure, the plurality of second terminals being coupled to the second insulating structure and arranged in a row, each of the second terminals comprising a second mating portion, a second fixing portion, and a second soldering portion, the second mating portion and the second soldering portion being connected to opposite ends of the second fixing portion, the plurality of second electrical connecting portions of the mating circuit board being electrically connected to the plurality of second mating portions of the plurality of second terminals; The plurality of first electrical connection portions are arranged in a row, the plurality of second electrical connection portions are arranged in a row, and the plurality of first electrical connection portions and the plurality of second electrical connection portions are located on the same side of the docking circuit board.
2. The bidirectional docking single-side electrical connection type electrical connector assembly according to claim 1, wherein: The circuit board body of the docking circuit board is positioned on the base of the first insulating structure.
3. The two-way docking single-side electrical connection type electrical connector assembly according to claim 1, wherein: The plurality of first terminals are arranged into a first terminal row and a second terminal row which are arranged opposite to each other. The first docking portions of the plurality of first terminals in the first terminal row are located on the upper surface of the tongue plate, and the first docking portions of the plurality of first terminals in the second terminal row are located on the lower surface of the tongue plate.
4. The two-way docking single-side electrical connection type electrical connector assembly according to claim 3, wherein: The first soldering portions of the first terminals of the first terminal row and the first soldering portions of the first terminals of the second terminal row are arranged in a row and soldered to the first electrical connection portions.
5. The two-way docking single-side electrical connection type electrical connector assembly according to claim 3, wherein: The first end and the second end of the circuit board body of the docking circuit board are located at the same horizontal position and the first end and the second end extend in opposite directions.
6. The two-way docking single-side electrical connection type electrical connector assembly according to claim 1, wherein: The second insulating structure of the second electrical connector includes a coupling slot, the second mating portions of the second terminals are disposed in the coupling slot, and the second end of the mating circuit board is disposed in the coupling slot.
7. The two-way docking single-side electrical connection type electrical connector assembly according to claim 1, wherein: The first terminal row includes a first conventional signal terminal pair, two first functional terminals arranged on both sides of the first conventional signal terminal pair, two first power terminals arranged outside the two first functional terminals, two pairs of first high-frequency signal terminal pairs arranged outside the two first power terminals, and two first ground terminals arranged outside the two pairs of first high-frequency signal terminal pairs. The second terminal row includes a second conventional signal terminal pair, two second functional terminals arranged on both sides of the second conventional signal terminal pair, two second power terminals arranged outside the two second functional terminals, two pairs of second high-frequency signal terminal pairs arranged outside the two second power terminals, and two second ground terminals arranged outside the two pairs of second high-frequency signal terminal pairs.
8. The two-way docking single-side electrical connection type electrical connector assembly according to claim 1, wherein: It also includes a metal shell, which is fixed to the base of the first insulating structure and surrounds the tongue plate. The docking circuit board is located outside the metal shell. The metal shell forms a pair of interfaces at one end away from the base. A docking space for docking with a counterpart connector is formed between the metal shell and the tongue plate.
9. The two-way docking single-side electrical connection type electrical connector assembly according to claim 8, wherein: The invention also includes a metal reinforcement piece which is arranged on the outer surface of the metal shell, and the metal reinforcement piece is combined with the metal shell by a clamping structure and / or a welding structure.
10. The two-way docking single-side electrical connection type electrical connector assembly according to claim 9, wherein: The metal reinforcement includes a reinforcement body and a pair of wing plates, which are arranged on opposite sides of the reinforcement body. Each wing plate has a through hole for a bolt to pass through so as to be locked to an electronic module.