TWM457331U - Electric power connector - Google Patents

Description

Power connector

This creation relates to a power connector, and in particular to a circuit ground structure of a power connector.

Power connectors are widely used in the electronics field to provide for charging within an electronic device, and the stability between the conductive terminals used to transmit power signals is critical to the performance of the overall connector.

The grounding structure of the power connector circuit in the prior art is relatively complicated, and the power connector has a complicated structure, high manufacturing cost, and unstable performance.

In view of this, it is indeed necessary to improve the grounding structure of the existing power connector circuit to solve the above drawbacks.

The main purpose of the present invention is to provide a power connector, which realizes circuit grounding by elastic contact between the elastic piece formed by the terminal and the metal casing wall, thereby improving circuit transmission stability, simplifying the grounding structure of the power connector, and reducing the manufacturing cost of the power connector. .

The present invention mainly provides a power connector, which comprises an insulating body, first, second and third conductive terminals fixed in the insulating body, and a metal shell covering the outer surface of the insulating body, the center of the insulating body is convex a central columnar body, the circumferential side of which forms an annular groove, and a first slot is formed in the central columnar body, the first conductive terminal is received in the first slot, and the insulating body is further The second slot and the third slot are connected to the annular groove, and the second and third conductive terminals are respectively inserted and fixed therein, and the second and third conductive portions are respectively The terminals are respectively provided with a plurality of elastic contact portions, and respectively extend in the annular groove, wherein the third conductive terminal is further provided with a resilient piece and elastically contacts the side wall of the metal casing.

The present invention is provided by the elastic piece provided by the fixing portion of the third conductive terminal The side wall of the metal casing around the edge body is in elastic contact, so when the mating plug connector is inserted into the power connector for docking, the metal shell side wall is electrically contacted with the elastic piece provided by the terminal to realize grounding of the metal shell mask.

[this creation]

7‧‧‧Power connector

1‧‧‧Insulating body

13‧‧‧ annular groove

14‧‧‧ center columnar body

15‧‧‧First slot

16‧‧‧second slot

161‧‧‧Second channel

17‧‧‧ third slot

171‧‧‧ third channel

18‧‧‧ gap

2‧‧‧First conductive terminal

21‧‧‧ Fixed Department

22‧‧‧welding feet

23‧‧‧Contacts

3‧‧‧Second conductive terminal

31‧‧‧U-shaped fixed part

32‧‧‧Second welding feet

33‧‧‧Second elastic contact

4‧‧‧ Third conductive terminal

41‧‧‧Ring fixed part

42‧‧‧ third welding feet

43‧‧‧ Third elastic contact

44‧‧‧Shrap

45‧‧‧ tablet

5‧‧‧Back cover

51‧‧‧through hole

52‧‧‧Depression

6‧‧‧Metal casing

61‧‧‧Buckle film

62‧‧‧ side wall

The first figure is an exploded perspective view of the creative power connector.

The second figure is an exploded perspective view of another perspective of the authoring power connector.

The third figure is a schematic diagram of the assembly of the author's power connector.

The fourth picture is a perspective view of the author's power connector.

Figure 5 is a cross-sectional view taken along line A-A of Figure 4.

The sixth picture is a cross-sectional view of B-B in Figure 4.

Referring to the first and second figures, a power connector 7 includes an insulative housing 1, first, second, and third conductive terminals 2, 3, 4 fixed in the insulative housing 1 and covered in insulation. a metal casing 6 on the outer surface of the body 1. This embodiment also has a back cover 5.

The insulative housing 1 is protruded from the bottom to form a central columnar body 14 to a front end surface. On the other hand, the circumferential side forms an annular groove 13. A first slot 15 is formed in the central columnar body 14 at the rear end surface of the insulative housing 1 , a second slot 16 is formed in the periphery of the first slot 15 , and a third slot is formed in the periphery of the second slot 16 . a slot 17 and a second and third slots 161 and 171 are formed in the second slot 16 and the third slot 17 in a plurality of ways to communicate with the annular recess 13 for the second and third conductive The terminals 3, 4 are passed through the annular groove 13. A notch 18 is formed in a sidewall of the insulative housing 1 , and the notch 18 penetrates through the third slot 17 .

The first conductive terminal 2 is provided with a flat-shaped fixing portion 21, and a fish-fork-shaped contact portion 23 is formed to extend along one end of the fixing portion 21, and a soldering leg 22 is formed at the other end. The second conductive terminal 3 is provided with a U-shaped fixing portion 31, and is bent and extended to form a second elastic contact portion 33 on one side, and a second soldering leg 32 is formed on the other side. The third conductive terminal 4 is provided with an annular fixing portion 41. The annular fixing portion 41 is bent and extended to form a plurality of third elastic contact portions 43, and the other side is formed with a third welding leg 42. The annular fixing portion 41 forms a The flat plate 45 is formed with a resilient piece 44 on the flat plate 45.

As shown in the third figure, the first conductive terminal 2 is received and fixed in the first slot 15, the second conductive terminal 3 is received in the second slot 16, and the third conductive terminal 4 is fixed. In the third slot 17. The elastic piece 44 provided on the annular fixing portion 41 of the third conductive terminal 4 protrudes from the outer surface of the insulating body 1 along the notch 18 .

The back cover 5 is provided with a plurality of through holes 51 corresponding to the soldering legs 22, 32, 42 of the respective conductive terminals 2, 3, 4 for the setting positions of the soldering legs 22, 32, 42 while being at the edge of the back cover 5. A plurality of recessed portions 52 are provided.

At the same time, as shown in the fourth to sixth figures, the metal casing 6 is sleeved on the outer surface of the insulative housing 1. The metal casing 6 has a plurality of side walls 62 and a plurality of fastening pieces 61 extending from the side walls 62. The holding piece 61 can be fastened to the recessed portion 52 of the rear cover 5, and the elastic piece 44 of the third conductive terminal 4 is elastically contacted with the side wall 62 of the metal casing 6. At the same time, the first conductive terminal 2 is inserted into the first slot 15 , and the contact portion 33 of the second conductive terminal 3 protrudes into the annular groove 13 along the second channel 161 , and the third conductive terminal 4 is provided. The contact portion 43 then protrudes into the annular groove 13 along the third channel 171. When the mating plug connector (not shown) is inserted into the authoring power connector 7 for docking, the side wall 62 of the metal shell 6 is electrically contacted with the elastic piece 44 provided by the third conductive terminal 4 to realize the metal shell 6 mask. Ground.

The specific embodiments described in the detailed description of the preferred embodiments are only for the purpose of understanding the invention, and the invention is not limited to the embodiments. The implementation of other styles shall be regarded as the equivalent implementation of the scope of patent application in this case.

7‧‧‧Power connector

1‧‧‧Insulating body

13‧‧‧ annular groove

14‧‧‧ center columnar body

18‧‧‧ gap

2‧‧‧First conductive terminal

3‧‧‧Second conductive terminal

4‧‧‧ Third conductive terminal

5‧‧‧Back cover

6‧‧‧Metal casing

Claims (5)

A power connector includes an insulating body, first, second, and third conductive terminals fixed in the insulating body, and a metal casing covering the outer surface of the insulating body, wherein the center of the insulating body is convexly centered a body having a circumferential groove forming an annular groove and forming a first slot in the central column, the first conductive terminal being received in the first slot, and wherein the insulating body is further than the first insertion A second slot and a third slot are formed in the periphery of the slot, and the second and third conductive terminals are respectively inserted and fixed therein, and the second and third conductive terminals are respectively disposed. The plurality of elastic contacts are respectively extended in the annular groove, and the main feature is that the third conductive terminal is further provided with a resilient piece and is in elastic contact with the side wall of the metal casing. The power connector of claim 1, wherein the insulative housing has a first slot extending from the rear end surface in the central column body, and a second slot is formed around the first slot. A third slot is formed around the second slot, and a plurality of slots communicating with the annular recess are formed in the second slot and the third slot. The power connector of claim 1, wherein a sidewall of the insulative housing forms a notch, and the notch is continuous with the third slot. The power connector of claim 3, wherein the elastic piece disposed on the third conductive terminal is threaded through the notch. The power connector of claim 1, wherein the first conductive terminal is provided with a flat fixing portion, and a fishing fork-shaped contact portion is formed along one end of the fixing portion, and a soldering leg is formed at the other end. The second conductive terminal is provided with a U-shaped fixing portion, and is bent and extended to form a second elastic contact portion on one side, and a second soldering leg is formed on the other side, and the third conductive terminal is provided with an annular fixing portion. One side of the fixing portion is bent and extended to form a plurality of third elastic contact portions, and the other side is formed with a third welding leg, and the annular fixing portion is formed with at least one flat plate, and a elastic piece is formed on the flat plate.