CN104009308A - Connector with a locking member - Google Patents

Abstract

A connector includes an insulating body, a plurality of signal terminals, a power terminal and a ground terminal. The insulating body has a plastic core and a tongue plate. The tongue plate extends outward from the plastic core. The signal terminals, the power terminals and the grounding terminal are fixed on the plastic core and positioned on the tongue plate. The power terminals and grounding terminals are fixed on the plastic core and positioned on the tongue plate. The terminals each have a flange, so that the width of the power terminal and the ground terminal is greater than the width of the signal terminal. In this way, the impedance of the power terminal and the ground terminal is reduced, and a larger current can pass through.

Description

Connector

technical field

The invention relates to a connector, in particular to a connector which increases the width of a terminal to allow relatively large current to pass through.

Background technique

In the application of the known universal serial bus (USB) connector, in addition to transmitting signals, it can also be used for charging electronic devices. If fast charging is desired, the passing current is expected to be above 3.0 amperes and 5.0 amperes. In such a case, the number of terminals can be increased so that the connector can pass a larger current, but increasing the number of terminals will easily increase the manufacturing cost, and increasing the number of terminals will also increase the design burden in a limited structural space.

Contents of the invention

The purpose of this invention is to propose a connector, the width of the power terminal and the ground terminal is larger than that of the signal terminal, so that the power terminal and the ground terminal with larger width can pass a larger current.

To achieve the above purpose, the present invention proposes a connector, which includes an insulating body, a plurality of signal terminals, a power terminal and a ground terminal. The insulating body has a rubber core and a tongue plate, and the tongue plate extends outward from the rubber core. Each signal terminal has a signal terminal body, the signal terminal body has a signal contact part, a signal connection part and a signal welding part, the signal connection part is fixed on the rubber core and connects the signal contact part and the signal welding part, The signal contact portion is positioned on the tongue plate. The power terminal is arranged adjacent to the signal terminals and has a power terminal body. The power terminal body has a power contact portion, a power connection portion, and a power welding portion. The power connection portion is fixed to the rubber core and connected to the power contact portion and the power supply. The power welding part, the power contact part is positioned on the tongue plate. The ground terminal is arranged adjacent to the signal terminals and has a ground terminal body. The ground terminal body has a ground contact part, a ground connection part and a ground welding part. The ground connection part is fixed to the rubber core and connects the ground contact part and the ground contact part. A ground soldering portion, the ground contact portion is positioned on the tongue plate. The power terminal has a first flange, and the first flange extends outward from the power terminal body, so that the width of the power terminal is greater than the width of the signal terminals, and the ground terminal has a second flange, the second The protruding edge extends outward from the ground terminal body, so that the width of the ground terminal is greater than the width of the signal terminals.

In an embodiment of the present invention, the first flange extends away from the power connection part and the power welding part in a direction away from the signal terminals, and the second flange extends away from the ground connection part and the power welding part The directions of the signal terminals extend.

In an embodiment of the present invention, the power terminal further has a third flange extending from the power connection portion toward the signal terminals, and the ground terminal further has a fourth flange, The fourth protruding edge extends from the ground connection portion toward the direction approaching the signal terminals.

In an embodiment of the present invention, the signal terminal closest to the power supply terminal among the signal terminals has a first recess formed in its signal connection portion to avoid the third protruding edge, and the signal terminal closest to the power supply terminal among the signal terminals As for the signal terminal of the ground terminal, the signal connection part forms a second concave part to avoid the fourth protruding edge.

In an embodiment of the present invention, the first flange extends from the power connection portion and the power contact portion toward the signal terminals, and the second flange extends from the ground connection portion and the power contact portion toward The directions of the signal terminals extend.

In an embodiment of the present invention, among the signal terminals, the signal terminal closest to the power supply terminal has a first recess formed in its signal connection portion and signal contact portion to give way to the first protruding edge. The signal connection part and the signal contact part of the signal terminal closest to the ground terminal among the other signal terminals form a second concave part to give way to the second protruding edge.

In an embodiment of the present invention, the widths of the front ends of the signal contacts, the front ends of the power contact and the front ends of the ground contact are approximately the same.

In an embodiment of the present invention, the signal terminals include at least one pair of differential signal terminals.

In an embodiment of the present invention, the connector is a connector belonging to the Universal Serial Bus 2.0 specification.

In an embodiment of the present invention, the connector is a connector belonging to the Universal Serial Bus 3.0 specification.

In an embodiment of the present invention, the signal terminals are arranged between the power terminal and the ground terminal.

An embodiment of the present invention further includes a metal shell disposed around the insulating body, the signal terminals, the power terminal and the ground terminal.

Because this creation uses power terminals and grounding terminals with a relatively large width, the connector of this creation can allow a relatively large current, for example, a current above 5.0 amperes to pass through, and a relatively large current can pass through the connector of this creation. device, whereby the electronic device is quickly charged.

In order to make the above-mentioned purpose, features and advantages of this creation more obvious and easy to understand, the preferred embodiments are specifically cited below, together with the accompanying drawings, and are described in detail as follows.

Description of drawings

Figure 1 is a perspective view of the connector of this invention.

Fig. 2 is a perspective view of removing the metal shell in the structure of the connector of the present invention.

FIG. 3 is a bottom view with the metal shell removed in the construction of an embodiment of the connector of the present invention.

FIG. 4 is a schematic diagram of arrangement of terminals in the embodiment of FIG. 3 .

FIG. 5 is a bottom view of another embodiment of the connector of the present invention with the metal shell removed.

FIG. 6 is a schematic diagram of arrangement of terminals in the embodiment of FIG. 5 .

FIG. 7 is a bottom view of another embodiment of the connector of the present invention with the metal shell removed.

FIG. 8 is a schematic diagram of arrangement of terminals in the embodiment of FIG. 7 .

Detailed ways

Please refer to FIGS. 1 and 2 , which show an embodiment of the connector 100 of the present invention. The connector 100 of the present invention includes a metal shell 10 , an insulating body 12 and five terminals 40 , 50 , 60 . The metal shell 10 covers the insulating body 12 and the terminals 40 , 50 , 60 , which protects the insulating body 12 and the terminals 40 , 50 , 60 on the one hand, and plays the role of electromagnetic shielding on the other hand. The insulating body 12 includes a rubber core 20 and a tongue plate 30 , the tongue plate 30 extends outward from the rubber core 20 , and the terminals 40 , 50 , 60 are disposed on the rubber core 20 and the tongue plate 30 .

Please refer to FIGS. 3 and 4 , which show an embodiment of the connector 100 of the present invention. The connector of this embodiment belongs to the connector of the universal serial bus (universal serial bus, USB) 2.0 specification. A power terminal 40 , a ground terminal 50 and three signal terminals 60 may include a pair of differential signaling terminals among the three signal terminals 60 . The power terminals 40 , the ground terminals 50 and the signal terminals 60 are combined with the insulating housing 12 by insert molding, and arranged so that the power terminals 40 and the ground terminals 50 are respectively located on two sides of the signal terminals 60 . The power terminal 40 has a power terminal body 41, the power terminal body 41 has a power contact part 42, a power connection part 44 and a power welding part 46, the power connection part 44 is connected to the power contact part 42 and the power welding part 46, and the power connection part 44 is fixed on The insulating body 12 is inside the rubber core 20 and is held in the rubber core 20 by the protruding retaining portion 45 providing a locking force. The power contact portion 42 is positioned in the groove 32 of the tongue plate 30 . The power terminal 40 further has a first A flange 47 , the first flange 47 extends from the sides of the power connection portion 44 and the power welding portion 46 of the power terminal body 41 in a direction away from the signal terminal 60 (towards the x-axis direction in FIG. 4 ). Similarly, the ground terminal 50 has a ground terminal body 51, the ground terminal body 51 has a ground contact portion 52, a ground connection portion 54 and a ground welding portion 56, the ground connection portion 54 is connected to the ground contact portion 52 and the ground welding portion 56, and the ground connection portion 54 is fixed in the rubber core 20 of the insulating body 12 and is strengthened and held in the rubber core 20 through the protruding holding part 55 to provide an engaging force, and the grounding contact part 52 is positioned in the groove 32 of the tongue plate 30, and the grounding terminal 50 is further There is a second flange 57 extending from the side of the ground connecting portion 54 and the ground soldering portion 56 of the ground terminal body 51 in a direction away from the signal terminal 60 (towards the direction opposite to the x-axis in FIG. 4 ). In addition, each signal terminal 60 has a signal contact portion 62 , a signal connection portion 64 and a signal welding portion 66 , the signal connection portion 64 connects the signal contact portion 62 and the signal welding portion 66 , and the signal connection portion 64 is fixed to the rubber core of the insulating body 12 20 and is held in the rubber core 20 through the protruding holding portion 65 to provide a locking force, and the signal contact portion 62 is positioned in the groove 32 of the tongue plate 30 .

In the above-mentioned structure, the width of the power connection portion 44 and the power welding portion 46 of the power terminal 40 together with the first flange 47 will be larger than the width of the signal connection portion 64 and the signal welding portion 66 of the signal terminal 60. Similarly, the ground terminal The width of the ground connection portion 54 and the ground welding portion 56 of 50 together with the second flange 57 will be larger than the width of the signal connection portion 64 and the signal welding portion 66 of the signal terminal 60, because the width of the power terminal 40 and the ground terminal 50 increases, so that The impedance of the power terminal 40 and the ground terminal 50 becomes lower, which can allow a larger current to pass through, so the connector of the present invention can be applied to fast charging.

Please refer to FIGS. 5 and 6 , which show another embodiment of the connector 100 of the present invention. The connector of this embodiment is also a mini USB interface connector, which has five terminals in total, including a power terminal 40, a ground terminal 50 and three signal terminals 60. By means of insert molding, The power terminal 40 , the ground terminal 50 and the signal terminal 60 are combined with the insulating body 12 and arranged so that the power terminal 40 and the ground terminal 50 are respectively located on two sides of the signal terminal 60 . The power terminal 40 has a power terminal body 41, the power terminal body 41 has a power contact part 42, a power connection part 44 and a power welding part 46, the power connection part 44 is connected to the power contact part 42 and the power welding part 46, and the power connection part 44 is fixed It is in the rubber core 20 of the insulating body 12 and is strengthened and held in the rubber core 20 by the protruding holding part 45 to provide the engaging force, and the power contact part 42 is positioned in the groove 32 of the tongue plate 30, which is similar to that of Fig. 3 and 4 In the same embodiment, the power terminal 40 further has a first flange 47, and the first flange 47 faces away from the signal terminal 60 from the side of the power connection portion 44 and the power welding portion 46 of the power terminal body 41 (towards the direction shown in FIG. 6 ). The direction of the x-axis) extends. In this embodiment, the power terminal 40 further has a third flange 48, and the third flange 48 is from the side of the power contact portion 42 and the power connection portion 44 toward the direction of the signal terminal 60. (toward the opposite direction of the x-axis in FIG. 6 ). Similarly, the ground terminal 50 has a ground terminal body 51, the ground terminal body 51 has a ground contact portion 52, a ground connection portion 54 and a ground welding portion 56, the ground connection portion 54 is connected to the ground contact portion 52 and the ground welding portion 56, and the ground connection portion 54 is fixed in the rubber core 20 of the insulating body 12 and is strengthened and held in the rubber core 20 through the protruding holding part 55 to provide an engaging force, and the ground contact part 52 is positioned in the groove 32 of the tongue plate 30, as shown in Fig. 3, 4, the ground terminal 50 further has a second flange 57, and the second flange 57 faces away from the signal terminal 60 from the side of the ground connection portion 54 and the ground solder portion 56 of the ground terminal body 51 (towards The opposite direction of the x-axis in FIG. 6 , that is, extends toward the outside of the connector 100. In this embodiment, the ground terminal 50 further has a fourth flange 58, and the fourth flange 58 extends from the ground contact portion 52 and the ground connection. Sides of the portion 54 extend toward the direction of the signal terminal 60 (toward the direction of the x-axis in FIG. 6 , ie toward the inside of the connector 100 ). In addition, each signal terminal 60 has a signal contact portion 62 , a signal connection portion 64 and a signal welding portion 66 , the signal connection portion 64 connects the signal contact portion 62 and the signal welding portion 66 , and the signal connection portion 64 is fixed to the rubber core of the insulating body 12 20 and is held in the rubber core 20 through the protruding holding portion 65 to provide a locking force, and the signal contact portion 62 is positioned in the groove 32 of the tongue plate 30 .

In the above structure, since the power terminal 40 has the third flange 48 extending toward the signal terminal 60, a first contact portion 62 and a signal connection portion 64 of the signal terminal 60 adjacent to the power terminal 40 are formed. The concave portion 68 is used to give way to the third flange 48. Similarly, since the ground terminal 50 has a fourth flange 58 extending toward the signal terminal 60, the signal contact portion of the signal terminal 60 adjacent to the ground terminal 50 62 and the signal connection portion 64 form a second concave portion 68 ′, so as to give way to the fourth protruding edge 58 . In addition, since the width of the power terminal 40 together with the first flange 47 and the third flange 48 will be greater than the width of the signal terminal 60, similarly, the width of the ground terminal 50 together with the second flange 57 and the fourth flange 58 will be greater than that of the signal terminal 60. The width of the signal terminal 60, due to the increase of the width of the power terminal 40 and the ground terminal 50, makes the impedance of the power terminal 40 and the ground terminal 50 become lower, allowing a larger current to pass through, so the connector of this invention can be used for fast charging .

Although the third flange 48 in this embodiment extends from the side of the power contact portion 42 and the power connection portion 44 toward the direction of the signal terminal 60 (towards the opposite direction of the x-axis in FIG. 6 ), the third flange 48 can also be It only extends from the side of the power connection portion 44 toward the direction of the signal terminal 60 (towards the opposite direction of the x-axis in FIG. 6 ) (not shown in the figure). Correspondingly, a first concave portion 68 is formed on the signal connection portion 64 of the signal terminal 60 adjacent to the power terminal 40 to make way for the third protruding edge 48 (not shown in the figure).

Similarly, in this embodiment, the fourth flange 58 faces the direction of the signal terminal 60 from the sides of the ground contact portion 52 and the ground connection portion 54 (toward the direction of the x-axis in FIG. 6 , that is, toward the inside of the connector 100 ). However, the fourth flange 58 can also only extend from the side of the ground connection portion 54 toward the direction of the signal terminal 60 (toward the direction of the x-axis in FIG. 6 , that is, toward the inside of the connector 100) (not shown in the figure ). Correspondingly, a second recess 68' is formed on the signal connection portion 64 of the signal terminal 60 adjacent to the ground terminal 50, so as to give way to the fourth flange 58 (not shown in the figure).

Please refer to FIGS. 7 and 8 , which show another embodiment of the connector 100 of the present invention. The connector of this embodiment is also a mini USB interface connector, which has five terminals in total, including a power terminal 40, a ground terminal 50 and three signal terminals 60. By means of insert molding, The power terminal 40 , the ground terminal 50 and the signal terminal 60 are combined with the insulating body 12 and arranged so that the power terminal 40 and the ground terminal 50 are respectively located on two sides of the signal terminal 60 . The power terminal 40 has a power terminal body 41, the power terminal body 41 has a power contact part 42, a power connection part 44 and a power welding part 46, the power connection part 44 is connected to the power contact part 42 and the power welding part 46, and the power connection part 44 is fixed In the rubber core 20 of the insulating body 12, the protruding holding part 45 provides a locking force to strengthen the holding on the rubber core 20. The power contact part 42 is positioned in the groove 32 of the tongue plate 30. The power terminal 40 further has a The first flange 49 extends from the side of the power contact portion 42 and the power connection portion 44 of the power terminal body 41 toward the signal terminal 60 (the direction opposite to the x-axis in FIG. 8 ). Similarly, the ground terminal 50 has a ground terminal body 51, the ground terminal body 51 has a ground contact portion 52, a ground connection portion 54 and a ground welding portion 56, the ground connection portion 54 is connected to the ground contact portion 52 and the ground welding portion 56, and the ground connection portion 54 is fixed in the rubber core 20 of the insulating body 12 and is strengthened and held in the rubber core 20 through the protruding holding part 55 to provide an engaging force, and the grounding contact part 52 is positioned in the groove 32 of the tongue plate 30, and the grounding terminal 50 is further There is a second flange 59 extending from the side of the ground contact portion 52 and the ground connection portion 54 of the ground terminal body 51 toward the signal terminal 60 (direction toward the x-axis in FIG. 8 ). In addition, each signal terminal 60 has a signal contact portion 62 , a signal connection portion 64 and a signal welding portion 66 , the signal connection portion 64 connects the signal contact portion 62 and the signal welding portion 66 , and the signal connection portion 64 is fixed to the rubber core of the insulating body 12 20 and is held in the rubber core 20 through the protruding holding portion 65 to provide a locking force, and the signal contact portion 62 is positioned in the groove 32 of the tongue plate 30 .

In the above structure, since the power terminal 40 has the first flange 49 extending toward the signal terminal 60, a first flange 49 is formed on the signal contact portion 62 and the signal connection portion 64 of the signal terminal 60 adjacent to the power terminal 40. The concave portion 68 is used to give way to the first flange 49. Similarly, since the ground terminal 50 has the second flange 59 extending toward the signal terminal 60, the signal contact portion of the signal terminal 60 adjacent to the ground terminal 50 62 and the signal connection portion 64 form a second concave portion 68 ′, so as to give way to the second flange 59 . In addition, since the width of the power terminal 40 together with the first flange 49 will be greater than the width of the signal terminal 60, similarly, the width of the ground terminal 50 together with the second flange 59 will be greater than the width of the signal terminal 60, because the power terminal 40 and the ground The increased width of the terminal 50 makes the impedance of the power supply terminal 40 and the ground terminal 50 lower, which can allow a larger current to pass through, so the connector of the present invention can be applied to fast charging.

Although the above-mentioned embodiment is described by taking the mini USB interface conforming to the Universal Serial Bus 2.0 specification as an example, the present invention is not limited thereto. The connector of the standard USB interface conforming to the Universal Serial Bus 2.0 specification, the Universal Serial Bus 2.0 Standard micro USB interface connectors, Universal Serial Bus 3.0 standard connectors, or other interface connectors are applicable. In addition, although the embodiment uses the method of insert molding to combine the power terminals, ground terminals and signal terminals with the insulating body, the implementation of the technical features is not limited to the method of insert molding. , and the power terminal, the ground terminal and the signal terminal can also be combined in the insulating body by means of assembly.

The power terminal 40 and the ground terminal 50 of the connector of this invention are designed to have a larger width than the signal terminal, so that the impedance of the power terminal 40 and the ground terminal 50 becomes lower, allowing a larger current to pass through, such as 5.0 amperes. Therefore, this invention The connector can be applied to fast charging.

Although this creation has been disclosed above with a preferred embodiment, it is not intended to limit this creation. Anyone who is familiar with this skill can make some changes and modifications without departing from the spirit and scope of this creation. Therefore, this The protection scope of the creation shall be defined by the scope of the attached patent application.

Symbol Description

10: metal shell

12: Insulation body

20: rubber core

30: tongue plate

32: Groove

40: Power terminal

41: Power terminal body

42: Power contact part

44: Power connection part

46: Power welding department

47: First Nosing

48: Third Nosing

49: First Nosing

50: Ground terminal

51: Ground terminal body

52: Ground contact part

54: Ground connection part

56: Ground welding part

57: Second Nosing

58: Fourth Nosing

60: Signal terminal

61: Signal terminal body

62: Signal contact part

64: Signal connection part

66: Signal welding part

68: First recess

68': second recess

100: Connector.

Claims (19)

1. A connector, comprising: An insulating body with a rubber core and a tongue plate extending outward from the rubber core; A plurality of signal terminals, each signal terminal has a signal terminal body, the signal terminal body has a signal contact portion, a signal connection portion and a signal welding portion, the signal connection portion is fixed to the rubber core and connected to the signal contact portion and the signal soldering portion, the signal contact portion is positioned on the tongue plate; A power terminal is arranged adjacent to the signal terminals and has a power terminal body. The power terminal body has a power contact part, a power connection part and a power welding part. The power connection part is fixed to the rubber core and connected to the power supply a contact part and the power welding part, the power contact part is positioned on the tongue plate; and A ground terminal is arranged adjacent to the signal terminals and has a ground terminal body. The ground terminal body has a ground contact portion, a ground connection portion and a ground soldering portion. The ground connection portion is disposed on the rubber core and connected to the ground The contact portion and the ground welding portion, the ground contact portion is positioned on the tongue plate, is characterized in that: the power terminal has a first flange, and the first flange extends outward from the power terminal body, so that the power The width of the power terminal body of the terminal is greater than the width of the signal terminal body of the signal terminals, and the ground terminal has a second flange extending outward from the ground terminal body, so that the ground terminal The width of the ground terminal body is larger than the width of the signal terminal body of the signal terminals. 2. The connector according to claim 1, wherein the first flange extends from the power connection portion and the power welding portion toward a direction away from the signal terminals. 3. The connector as claimed in claim 1, wherein the second flange extends from the ground connecting portion and the ground soldering portion in a direction away from the signal terminals. 4. The connector as claimed in claim 2, wherein the second flange extends from the ground connecting portion and the ground soldering portion in a direction away from the signal terminals. 5. The connector according to claim 1, characterized in that: said power terminal further has a third protruding edge, said third protruding edge from said power connection part and said power contact part towards said signal terminals direction extension. 6. The connector according to claim 4, wherein the power terminal further has a third protruding edge, and the third protruding edge is from the power connection part and the power contact part toward the signal terminal. direction extension. 7. The connector according to claim 1, wherein the ground terminal further has a fourth protruding edge, and the fourth protruding edge is from the ground connection part and the ground contact part toward the signal terminal. direction extension. 8. The connector as claimed in claim 6, wherein the ground terminal further has a fourth protruding edge, and the fourth protruding edge is from the ground connection part and the ground contact part toward the signal terminal. direction extension. 9. The connector according to claim 6, characterized in that: the signal terminal closest to the power supply terminal among the other signal terminals has a first concave portion formed on its signal connection portion and signal contact portion, for the third The nosing makes way. 10. The connector according to claim 8, characterized in that: among the signal terminals, the signal terminal closest to the ground terminal has a second concave portion formed on its signal connection portion and signal contact portion, for the fourth The nosing makes way. 11. The connector according to any one of claims 1 to 10, wherein the front ends of the equal-signal contact portion, the front end of the power contact portion and the front end of the ground contact portion have approximately the same width. 12 . The connector as claimed in claim 1 , wherein the power terminal further has a third flange extending from the power connection portion toward the signal terminals. 13 . 13. The connector as claimed in claim 4, wherein the power terminal further has a third flange extending from the power connection portion toward the signal terminals. 14. The connector as claimed in claim 1, wherein the ground terminal further has a fourth protrusion extending from the ground connection portion toward the signal terminals. 15. The connector as claimed in claim 13, wherein the ground terminal further has a fourth flange extending from the ground connection portion toward the signal terminals. 16. The connector according to claim 13, characterized in that: the signal terminal closest to the power supply terminal among the other signal terminals has a first recess formed in its signal connection part to make way for the third protruding edge bit. 17. The connector according to claim 15, characterized in that: among the signal terminals, the signal terminal closest to the ground terminal has a second concave portion formed on its signal connection portion and signal contact portion, for the fourth The nosing makes way. 18. The connector according to any one of claims 12 to 17, wherein the signal terminals are arranged between the power terminal and the ground terminal. 19. The connector according to any one of claims 12-17, further comprising a metal shell disposed around the insulating body, the signal terminals, the power terminal and the ground terminal.