TWI867566B - Composite electrical connector for dual specification - Google Patents

Abstract

A dual-standard composite electrical connector includes a plurality of first terminals and a plurality of second terminals. The plurality of first terminals correspond to a first electrical specification, and the plurality of second terminals correspond to a second electrical specification. The first contact part of the first terminal is arranged in front of the second contact part of the second terminal, the first welding part of the first terminal and the second welding part of the second terminal are arranged in a row, and the plurality of first terminals of the first terminal A first ground terminal and a second ground terminal are arranged between a pair of differential signal terminals, between a plurality of pairs of second differential signal terminals of the second terminal, or between the first pair of differential signal terminals and the second pair of differential signal terminals. terminal, the second power supply terminal, the first power supply terminal, the first regular signal terminal or/and the second regular signal terminal, so as to achieve the effect of shielding and preventing crosstalk.

Description

Dual-standard composite electrical connector

The present invention relates to a female composite electrical connector, and in particular to a dual-specification composite electrical connector suitable for connecting with male electrical connectors or electronic components of two electrical specifications.

Electrical connectors are used to connect electronic components, electronic components and electronic devices, or electronic devices to transmit electronic signals. Therefore, various electronic devices commonly used in daily life are equipped with electrical connectors, such as desktop computers, laptops, mobile devices, or even car-mounted electronic devices. The female electrical connector has a docking port for the male electrical connector to be inserted to complete the docking.

Existing electronic devices usually need to connect to other electronic devices of different electrical specifications, so multiple interfaces with different electrical specifications are set up, that is, female electrical connectors with different electrical specifications are set up for male electrical connectors with different specifications to connect. However, setting up multiple female electrical connectors in this way takes up a lot of space in the electronic device. In particular, as electronic devices such as laptops or tablets are increasingly required to be thinner and lighter, the number of interfaces should be reduced as much as possible. Therefore, how to integrate multiple female electrical connectors with different electrical specifications is an important issue in the current research and development of electrical connectors.

The purpose of the present invention is to provide a dual-specification composite electrical connector, which is suitable for connecting electrical connectors or electronic components of two different electrical specifications, thereby solving the technical problem in the prior art that electronic devices need to be equipped with multiple female electrical connectors for connecting male electrical connectors or electronic components of different specifications.

An embodiment of the dual-specification composite electrical connector of the present invention includes a plurality of first terminals and a plurality of second terminals. The plurality of first terminals correspond to a first electrical specification, and each first terminal includes a first contact portion, a first fixing portion, and a first welding portion, and the first terminals include at least one first grounding terminal, at least one first power terminal, at least one pair of first conventional signal terminals, and a plurality of first differential signal terminal pairs. The plurality of second terminals correspond to a second electrical specification, and each second terminal includes a second contact portion, a second fixing portion, and a second welding first power terminal portion, and the second terminals include at least one second grounding terminal, at least one second power terminal, at least one pair of second conventional signal terminals, and a plurality of second differential signal terminal pairs. The first contact portion of the first terminal is arranged in front of the second contact portion of the second terminal. The first welding portion of the first terminal and the second welding portion of the second terminal are arranged in a row. The first terminal includes a plurality of first differential signal terminal pairs, and the second terminal includes a plurality of second differential signal terminal pairs. The first ground terminal, the second ground terminal, the second power terminal, the first power terminal, the first normal signal terminal, and/or the second normal signal terminal are arranged between the plurality of first differential signal terminal pairs, between the plurality of second differential signal terminal pairs, or between the first differential signal terminal pair and the second differential signal terminal pair.

In another embodiment, the plurality of first terminals include a first front row terminal and a first rear row terminal, the first front row terminal and the first rear row terminal correspond to two sub-specifications of the first electrical specification; the plurality of second terminals include a second front row terminal and a second rear row terminal, the second front row terminal and the second rear row terminal correspond to two sub-specifications of the second electrical specification.

In another embodiment, it further includes an insulating structure, the insulating structure includes a base portion, a tongue portion and a pair of guide portions, the tongue portion extends from one side of the base portion along a first direction, the pair of guide portions are arranged on both sides of the tongue portion and extend along the first direction, the first contact portion of the first terminal is arranged on the tongue portion, and the second contact portion of the second terminal is arranged on the base portion.

In another embodiment, the insulating structure further includes a pair of guide grooves, which are respectively disposed on a pair of guide portions and extend to the base portion, and an electronic component corresponding to the second electrical specification is inserted into the insulating structure through the pair of guide grooves and the terminals of the electronic component contact the second contact portions of the second terminals.

In another embodiment, the tongue portion has a plurality of first hollow slots, the base portion has a plurality of hollow slots, and the second contact portions of the second terminals are respectively located correspondingly to the hollow slots.

In another embodiment, the second contact portions of the second terminals are formed in a spring-shaped shape.

In another embodiment, it further includes a metal shell, which is covered by the insulating structure. The metal shell has a pair of interfaces, the tongue plate portion and the guide portion are close to the interface, and the metal shell has a pair of limit portions, which are located on both sides of the tongue plate portion and have a predetermined distance from the tongue plate portion. An electrical connector corresponding to the first electrical specification is inserted between the pair of limit portions and the tongue plate portion, and the terminal of the electrical connector contacts the first contact portion of the first terminal.

In another embodiment, the metal shell further includes a pair of ribs, which are arranged near the docking port and are respectively near the guide portion of the insulating structure.

In another embodiment, the metal shell further includes a first elastic sheet and a second elastic sheet, the position of the first elastic sheet corresponds to the tongue portion of the insulating structure, and the position of the second elastic sheet corresponds to the base portion of the insulating structure.

In another embodiment, the first terminal has two pairs of first differential signal terminal pairs, and the second welding portion of the second terminal is located between the first welding portions of the two pairs of first differential signal terminal pairs.

The dual-specification composite electrical connector of the present invention arranges the first terminal corresponding to the first electrical specification and the second terminal corresponding to the second electrical specification in front and back respectively to be connected with electrical connectors or electronic components of different electrical specifications. The welding parts of all the terminals are arranged in a row to form an electrical connection with the circuit board, and the first ground terminal, the second ground terminal, the second power terminal, the first power terminal, the first normal signal terminal or/and the second normal signal terminal are arranged between the plurality of first differential signal terminal pairs, between the plurality of second differential signal terminal pairs, or between the first differential signal terminal pair and the second differential signal terminal pair to serve as electromagnetic shielding to prevent crosstalk. The guide part is arranged in the insulating structure, and the metal shell is arranged at the same time to achieve the effect of integrating the first electrical specification and the second electrical specification into the dual-electrical specification composite electrical connector.

1: Dual-specification composite electrical connector

10: First terminal

10a: First contact part

10b: First fixed part

10c: First welding part

11: First ground terminal

12: First power terminal

13: First conventional signal terminal

14: Shielding terminal

15: First differential signal terminal

20: Second terminal

20a: Second contact part

20b: Second fixed part

20c: Second welding

21: Second ground terminal

22: Second power terminal

23: Second conventional signal terminal

24: Functional terminal (Clock)

25: Second differential signal terminal

30: Insulation structure

31: Base part

32: Tongue plate

33: Guidance Department

34: Guide groove

40:Metal shell

41: Docking port

42: Limiting part

43: ribs

44: The first shrapnel

45: Second shrapnel

C1: Electrical connector

C2: Electronic components

P: Circuit board

Figure 1 is a three-dimensional diagram of an embodiment of the dual-size composite electrical connector of the present invention.

Figure 2 is a three-dimensional view of the dual-size composite electrical connector of Figure 1 with the circuit board removed.

FIG. 3 is a three-dimensional diagram of the dual-size composite electrical connector of FIG. 2 from another perspective.

Figure 4 is a three-dimensional view of the dual-size composite electrical connector of Figure 2 with the metal shell removed.

FIG. 5 is a three-dimensional diagram of the dual-size composite electrical connector of FIG. 4 from another perspective.

FIG6 is a three-dimensional diagram showing the terminal structure of the dual-size composite electrical connector of FIG4 after removing the insulation structure.

FIG. 7 is a three-dimensional diagram of the terminal structure of the dual-size composite electrical connector of FIG. 6 from another perspective.

Figure 8 is a three-dimensional diagram of the dual-specification composite electrical connector of the present invention connected to the electrical connector of the first electrical specification.

Figure 9 is a top view of Figure 8.

Figure 10 is a cross-sectional view of Figure 9 along line A-A.

Figure 11 is a three-dimensional diagram of the dual-specification composite electrical connector of the present invention connected to an electronic component of the second electrical specification.

Figure 12 Front view of Figure 11.

Please refer to Figures 1 to 7, which show an embodiment of the dual-size composite electrical connector of the present invention. The dual-size composite electrical connector 1 of this embodiment includes a plurality of first terminals 10, a plurality of second terminals 20, an insulating structure 30, and a metal shell 40. The plurality of first terminals 10 and the plurality of second terminals 20 are combined with the insulating structure 30 by an embedded injection molding process, so that the plurality of first terminals 10 and the plurality of second terminals 20 are positioned on the insulating structure 30. The metal shell 40 is coated on the insulating structure 30 and forms a pair of interfaces 41.

A plurality of first terminals 10 correspond to a first electrical specification. The first electrical specification of the present embodiment is a universal serial bus (USB), and each first terminal 10 includes a first contact portion 10a, a first fixing portion 10b, and a first welding portion 10c. The first contact portion 10a is used to contact the terminal of the male electrical connector corresponding to the first electrical specification to form an electrical connection. The first fixing portion 10b is combined with the insulating structure 30 to fix the configuration of the first terminal 10. The first welding portion 10c is used to be welded to the circuit board P, so that the first terminal 10 forms an electrical connection with the circuit board P. The first welding portion 10c of the present embodiment is arranged on the pad of the circuit board P by surface mounting technology (SMT).

The number of first terminals 10 in this embodiment is 9, and they are divided into five first front row terminals and four first rear row terminals. The first front row terminals and the first rear row terminals correspond to two sub-specifications of the first electrical specification. The first front row terminals correspond to the sub-specification of USB3.0, and the first rear row terminals correspond to the sub-specification of USB2.0. The first terminal 10 includes a first ground terminal 11, a first power terminal 12, a pair of first regular signal terminals 13, a shielding terminal 14, and two pairs of first differential signal terminals 15. The first ground terminal 11 and the shielding terminal 14 form a connected structure.

The plurality of second terminals 20 correspond to a second electrical specification, and the second electrical specification of the present embodiment is a secure digital memory card (SD memory card). Each second terminal 20 of the present embodiment includes a second contact portion 20a, a second fixing portion 20b, and a second welding portion 20c. The second contact portion 20a is used to contact the terminal of the electronic component corresponding to the second electrical specification to form an electrical connection. The second fixing portion 20b is combined with the insulating structure 30 to fix the configuration of the second terminal 20, and the second welding portion 20c is used to be welded to the circuit board P, so that the second terminal 20 forms an electrical connection with the circuit board P. The second welding portion 10c of the present embodiment is arranged on the pad of the circuit board P by surface mounting technology (SMT).

The second terminal 20 includes five second ground terminals 21, two second power terminals 22, three second normal signal terminals 23, a functional terminal (Clock) 24, and two pairs of second differential signal terminals 25. The number of second terminals 20 in this embodiment is 17, including 8 second front row terminals and 9 second rear row terminals. The second front row terminals and the second rear row terminals correspond to two sub-specifications of the second electrical specification. The second front row terminals correspond to the sub-specification of UHS-II, and the second rear row terminals correspond to the sub-specification of UHS-I.

The first contact portion 10a of the first terminal 10 is arranged in front of the second contact portion 20a of the second terminal 20, the first welding portion 10c of the first terminal 10 and the second welding portion 20c of the second terminal 20 are arranged in a row, and the first ground terminal 11, the second ground terminal 21, the second power terminal 22, the first power terminal 12, the first normal signal terminal 13 or/and the second normal signal terminal 23 are arranged between the plurality of pairs of first differential signal terminals 15, between the plurality of pairs of second differential signal terminals 25, or between the first differential signal terminal 15 and the second differential signal terminal 25, thereby achieving a shielding effect between the plurality of pairs of first differential signal terminals 15, between the plurality of pairs of second differential signal terminals 25, or between the first differential signal terminal 15 and the second differential signal terminal 25.

The insulating structure 30 includes a base portion 31, a tongue portion 32, and a pair of guide portions 33. The tongue portion 32 extends from one side of the base portion 31 along a first direction L1, and the first direction L1 is the direction toward the docking port 41. The pair of guide portions 33 are disposed on both sides of the tongue portion 32 and extend along the first direction L1. The first contact portion 10a of the first terminal 10 is disposed on the tongue portion 32, and the second contact portion 20a of the second terminal 20 is disposed on the base portion 31. The insulating structure 30 further includes a pair of guide grooves 34, which are respectively arranged on a pair of guide portions 33 and extend to the base portion 31. Please refer to Figures 11 and 12. An electronic component C2 (SD memory card) corresponding to the second electrical specification is inserted into the insulating structure 30 through the pair of guide grooves 34, and the terminal of the electronic component contacts the second contact portion 20a of the second terminal 20. The shape of the guide groove 34 corresponds to the edge shape of the electronic component C2, which is inserted into the guide groove 34 by configuration matching, and is stopped at the base portion 31 by the guidance of the guide groove 34.

The tongue plate portion 32 has a plurality of first hollow slots 321, and the base portion 31 has a plurality of second hollow slots 311. The first contact portion 10a of the first rear row terminal of the first terminal 10 is disposed in the first hollow slot 321, and the second contact portion 20a of the second front row terminal and the second rear row terminal of the second terminal 20 are respectively disposed in the plurality of second hollow slots 311 in a corresponding manner. The first contact portion 10a of the first front row terminal of the first terminal 10 is flat, fixed to the tongue plate portion 32 and exposed from the tongue plate portion 32, the first contact portion 10a of the first rear row terminal of the first terminal 10 is in the shape of a spring sheet, and the second contact portion 20a of the second front row terminal and the second rear row terminal of the second terminal 20 are both in the shape of a spring sheet.

The metal shell 40 is wrapped around the insulating structure 30. A docking space is formed inside the metal shell 40 and one end of the metal shell 40 has a docking port 41. The tongue portion 32 and a pair of guide portions 33 of the insulating structure 30 are close to the docking port 41. The metal shell 40 has a pair of limiting portions 42. The pair of limiting portions 42 are located on both sides of the tongue portion 32 and have a predetermined distance from the tongue portion 32. Please refer to Figures 8, 9 and 10 together. An electrical connector C1 corresponding to the first electrical specification is inserted between the pair of limiting portions 42 and the tongue portion 32 and is stopped at a side wall of the base portion 31. The terminal of the electrical connector C1 contacts the first contact portion 10a of the first terminal 10.

The metal shell 40 further includes a pair of ribs 43, a first elastic sheet 44 and a second elastic sheet 45. The pair of ribs 43 are disposed close to the docking port 41 and close to the guide portion 33 of the insulating structure 30, respectively. As shown in FIG. 10 , the limiting portion 42 and the ribs 43 limit the electrical connector C1, so that the electrical connector C1 can be inserted in the correct position when docking from the docking port 41. The position of the first elastic sheet 44 corresponds to the tongue portion 32 of the insulating structure 30, and is used to clamp the electrical connector C1, and is used to increase the reliability of the contact between the terminal of the electrical connector C1 and the first terminal 10. As shown in FIG. 12 , the position of the second spring 45 corresponds to the base portion 31 of the insulating structure 30 , which is used to clamp the electronic component C2 and increase the reliability of the contact between the terminal of the electronic component C2 and the second terminal 20 .

The dual-specification composite electrical connector of the present invention arranges the first terminal corresponding to the first electrical specification and the second terminal corresponding to the second electrical specification in front and back respectively to be connected with electrical connectors or electronic components of different electrical specifications. The welding parts of all the terminals are arranged in a row to form an electrical connection with the circuit board, and the first ground terminal, the second ground terminal, the second power terminal, the first power terminal, the first normal signal terminal or/and the second normal signal terminal are arranged between the plurality of first differential signal terminal pairs, between the plurality of second differential signal terminal pairs, or between the first differential signal terminal pair and the second differential signal terminal pair to serve as electromagnetic shielding to prevent crosstalk. The guide part is arranged in the insulating structure, and the metal shell is arranged at the same time to achieve the effect of integrating the first electrical specification and the second electrical specification into the dual-electrical specification composite electrical connector.

However, the above is only the preferred embodiment of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. That is, all simple equivalent changes and modifications made according to the scope of the patent application and the new description of the present invention are still within the scope of the present invention. In addition, any embodiment of the present invention or the scope of the patent application does not need to achieve all the purposes, advantages or features disclosed by the present invention. In addition, the abstract and title are only used to assist in searching for patent documents, and are not used to limit the scope of the rights of the present invention. In addition, the terms "first" and "second" mentioned in this specification or the scope of the patent application are only used to name the element or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

1: Dual-standard composite electrical connector 10: First terminal 32: Tongue plate 33: Guide portion 34: Guide groove 40: Metal shell 42: Limiting portion 44: First spring 45: Second spring

Claims (10)

A dual-standard electrical connector, comprising: a plurality of first terminals, corresponding to a first electrical standard, each of which comprises a first contact portion, a first fixing portion and a first welding portion, wherein the first terminals comprise at least one first ground terminal, at least one first power terminal, at least one pair of first conventional signal terminals and a plurality of first differential signal terminal pairs; and a plurality of second terminals, corresponding to a second electrical standard, each of which comprises a second contact portion, a second fixing portion and a second welding portion, wherein the second terminals comprise at least one second ground terminal, at least one second power terminal, at least one pair of second conventional signal terminals and a plurality of second differential signal terminal pairs; wherein the first contact portions of the first terminals are disposed on the first and second terminals of the second terminals. In front of the second contact portion, the first welding portion of the first terminals and the second welding portion of the second terminals are arranged in a row, the first terminals have two pairs of first differential signal terminal pairs, the second differential signal terminal pairs are arranged between the two pairs of the first differential signal terminal pairs, and at least one pair of the second differential signal terminal pairs is arranged between each of the first differential signal terminal pairs and at least one pair of the first conventional signal terminals; wherein the first ground terminal, the second ground terminal, the second power terminal, the first power terminal, the first conventional signal terminal or/and the second conventional signal terminal are arranged between the first differential signal terminal pairs, between the second differential signal terminal pairs, or between the first differential signal terminal pairs and the second differential signal terminal pairs. A dual-standard electrical connector as described in claim 1, wherein the first terminals include a first front row terminal and a first rear row terminal, and the first front row terminals and the first rear row terminals correspond to two sub-standards of the first electrical specification; the second terminals include a second front row terminal and a second rear row terminal, and the second front row terminals and the second rear row terminals correspond to two sub-standards of the second electrical specification. The dual-standard electrical connector as described in claim 1 further includes an insulating structure, which includes a base portion, a tongue portion, and a pair of guide portions, the tongue portion extending from one side of the base portion along a first direction, the pair of guide portions being arranged on both sides of the tongue portion and extending along the first direction, the first contact portions of the first terminals being arranged on the tongue portion, and the second contact portions of the second terminals being arranged on the base portion. The dual-standard electrical connector as described in claim 3, wherein the insulating structure further includes a pair of guide grooves, the pair of guide grooves are respectively arranged on the pair of guide portions and extend to the base portion, an electronic component corresponding to the second electrical specification is inserted into the insulating structure through the pair of guide grooves and the terminal of the electronic component contacts the second contact portion of the second terminals. As described in claim 4, the double-standard electrical connector, wherein the tongue portion has a plurality of first hollow slots, the base portion has a plurality of second hollow slots, the first contact portions of the first terminals correspond to the first hollow slots, and the second contact portions of the second terminals correspond to the second hollow slots. A dual-size electrical connector as described in claim 5, wherein the second contact portion of the second terminals is formed in a spring-shaped shape. The dual-standard electrical connector as described in claim 3 further includes a metal shell, which is covered by the insulating structure, the metal shell has a pair of interfaces, the tongue plate portion and the pair of guide portions are close to the interface, the metal shell has a pair of limit portions, the pair of limit portions are located on both sides of the tongue plate portion and have a predetermined distance from the tongue plate portion, an electrical connector corresponding to the first electrical specification is inserted between the pair of position portions and the tongue plate portion, and the terminal of the electrical connector contacts the first contact portion of the first terminals. A dual-size electrical connector as described in claim 7, wherein the metal shell further includes a pair of ribs disposed close to the docking port and close to the guide portion of the insulating structure, respectively. As described in claim 8, the dual-standard electrical connector, wherein the metal shell further includes a first spring and a second spring, the position of the first spring corresponds to the tongue portion of the insulating structure, and the position of the second spring corresponds to the base portion of the insulating structure. A dual-standard electrical connector, comprising: a plurality of first terminals, corresponding to a first electrical standard, each of which comprises a first contact portion, a first fixing portion and a first welding portion, wherein the first terminals comprise at least one first ground terminal, at least one first power terminal, at least one pair of first conventional signal terminals and a plurality of first differential signal terminal pairs; and a plurality of second terminals, corresponding to a second electrical standard, each of which comprises a second contact portion, a second fixing portion and a second welding portion, wherein the second terminals comprise at least one second ground terminal, at least one second power terminal, at least one pair of second conventional signal terminals and a plurality of second differential signal terminal pairs; wherein the first terminals The first contact portion of the sub is arranged in front of the second contact portion of the second terminals, the first welding portion of the first terminals and the second welding portion of the second terminals are arranged in a row, and the first ground terminal, the second ground terminal, the second power terminal, the first power terminal, the first regular signal terminal or/and the second regular signal terminal are arranged between the first differential signal terminal pairs, between the second differential signal terminal pairs, or between the first differential signal terminal pairs and the second differential signal terminal pairs; Wherein, the first terminals have two pairs of first differential signal terminal pairs, and the second welding portions of the second terminals are located between the first welding portions of the two pairs of first differential signal terminal pairs.