TWM501662U - Plug connector - Google Patents

Description

Plug connector

The present invention relates to a plug connector, and more particularly to a plug connector that can be used for both front and back insertion.

The plug connector disclosed in the Chinese Utility Model No. CN203193000U, which is issued on September 11, 2013, includes an insulative housing, a conductive terminal held in the insulating body, a shielded housing that is sleeved outside the insulating body, and is soldered to the conductive terminal. a printed circuit board, an insulating cover partially overmolded outside the shielding case, and a cable soldered to the printed circuit board to be electrically connected to the conductive terminal; the surface of the insulating body is exposed, and the plug connector and the USB socket are repeatedly inserted and removed After that, the surface of the insulating body is damaged by the repeated clamping friction of the elastic piece on the metal casing of the USB socket, so that the installation is not secure and the circuit board in the plug body is damaged to reduce the service life.

Since the plug connector disclosed today has problems in that the plug body is easily damaged and the clamping is not strong, it is necessary to provide a new plug connector.

The purpose of the present invention is to provide a plug connector to solve the problems of the prior art that the plug body is easily damaged, the clamping is not strong, and the service life is short.

The present invention provides a plug connector including an insulative housing, a metal housing at least partially surrounding the insulative housing, a conductive terminal disposed in the insulative housing, and a printed circuit board soldered to the conductive terminal and held by the insulative housing. The metal housing includes a plurality of retaining walls extending from the plurality of retaining members, the retaining members extending into the insulating body to retain the metal housing on the insulative housing.

Further, the insulative housing is assembled on the metal housing, the insulative housing is provided with an upper surface, a lower surface, a pair of side surfaces and a front end surface, and the upper surface and the lower surface are respectively provided with a plurality of inward recesses to The retaining member cooperates with the positioning groove, and one end of the positioning groove starts from the front end surface and extends rearward.

Further, the plurality of retaining walls include a laterally extending front retaining wall and a longitudinally extending sidewall from both ends of the front retaining wall, the plurality of retaining members extending rearwardly from the front retaining wall.

Further, one of the rear end wall of the front retaining wall and the front end surface of the insulating body is provided with a first guiding groove, and the other is provided with a first guiding rail protruding to cooperate with the first guiding groove .

Further, the holder is provided with four and symmetrically distributed at the rear end of the front barrier wall.

Further, one of the inner side of the pair of side walls and the side of the insulating body are provided with a pair of second guiding grooves, and the other is provided with a lateral protrusion to cooperate with the pair of second guiding grooves One of the pair of second rails.

Further, the free end of the holding member is provided with a step portion, and the other end of the positioning groove is provided with a limiting groove which is recessed backward to cooperate with the step portion.

Further, the plug connector is a USB plug, and the front and back sides of the plug connector are respectively provided with corresponding conductive terminals to be inserted into the USB socket in a forward or reverse manner.

Further, the holding member is provided with an arc-shaped protrusion that interferes with the elastic piece of the USB socket.

Further, the metal casing is made of a zinc alloy.

Compared with the prior art, the present invention has the following beneficial effects: the plug connector of the present invention adopts a metal casing, and the metal casing is provided with a holding member, so that the plug connector body can be prevented from being scratched by the elastic piece on the USB socket; The arc-shaped protrusion on the holding member interferes with the elastic piece on the USB socket to fix the fixing more firmly; the plug connector body can be protected from damage, the plug connector and the USB socket are more firmly fixed, etc., thereby achieving the creation. The purpose.

100‧‧‧ plug connector

1‧‧‧Insulating body

11‧‧‧ upper surface

12‧‧‧ Lower surface

13‧‧‧ side

14‧‧‧ front end

15‧‧‧ rear end face

111‧‧‧ positioning slot

112‧‧‧ Limit slot

131‧‧‧Second rail

141‧‧‧First rail

2‧‧‧Metal housing

21‧‧‧Front wall

22‧‧‧ side wall

23‧‧‧Retaining parts

24‧‧‧first guide

25‧‧‧Upper

26‧‧‧Lower

27‧‧‧fixed slot

221‧‧‧Second guiding channel

231‧‧‧Steps

232‧‧‧arc convex

3‧‧‧Electrical terminals

4‧‧‧Printed circuit board

5‧‧‧ Cable

6‧‧‧Insulated housing

7‧‧‧USB socket

71‧‧‧Shrap

The first figure is a three-dimensional combination diagram of the original plug connector;

The second figure is an exploded perspective view of the original plug connector to show the structure of the front side of the plug connector;

The third figure is an exploded perspective view of the plug connector at another angle to show the structure of the opposite side of the plug connector;

The fourth picture shows the assembly diagram of the plug connector and the USB socket;

The fifth figure is a cross-sectional view of the plug connector and the USB socket shown in the fourth figure along the line V-V.

Hereinafter, a specific embodiment of the present plug connector 100 will be described with reference to the first to fifth figures.

Referring to the first to fourth figures, the plug connector 100 includes an insulative housing 1, a metal housing at least partially surrounding the insulative housing 1, a conductive terminal 3 disposed in the insulative housing 1, and a conductive terminal. 3, a printed circuit board 4 soldered and held by the insulative housing 1, a cable 5 having one end soldered to the printed circuit board 4 to be electrically connected to the conductive terminal 3, and an insulating housing 6 partially covering the insulative housing 1 and the printed circuit board 4. .

Referring to the second and third figures, the metal casing 2 is made of a zinc alloy and is provided with a plurality of retaining walls. The retaining wall includes a front retaining wall 21 extending laterally and two side walls 22 extending longitudinally from opposite ends of the front retaining wall 21. The front retaining wall extends with four retaining members 23. The main body of the holding member 23 is further provided with an arc-shaped protrusion 232. The free end of the holding member 23 is provided with a step portion 231, and the holding member 23 extends into the insulative housing 1 to hold the metal shell 2 on the insulative housing 1. . A first guide groove 24 is also disposed at the rear end of the front retaining wall 21. The four holding members 23 are symmetrically disposed on both sides of the first guiding groove 24. One of the pair of side walls 22 of the metal housing 2 includes an inwardly bent upper edge 25 and a lower edge 26, respectively. A pair of second guiding grooves 221 are formed between the upper edge 25 and the lower edge 26, and a fixing groove 27 is respectively disposed outside the pair of side walls 22.

Referring to the second and third figures, the insulative housing 1 is provided with an upper surface 11, a lower surface 12 opposite to the upper surface 11, a connecting upper surface 11 and a lower surface 12, a side surface 13, a front end surface 14 and The front end face 14 is opposite the rear end face 15. The upper surface 11 and the lower surface 12 are respectively provided with two positioning grooves 111 recessed inward. One end of the positioning groove 111 starts from the front end surface 14 and extends rearward, and the other end is provided with a limiting groove 112 which is recessed backward. A first protruding guide rail 141 is disposed in the middle of the front end surface 14. The pair of side faces 13 are provided with a pair of second guide rails 131.

Referring to the fourth and fifth figures, the metal housing 2 is assembled and assembled on the insulative housing 1. The four holding members 23 of the metal housing 2 are assembled into the four positioning slots 111 of the insulative housing 1. The step portion 231 of the holding member 23 is assembled into the limiting slot 112 of the insulative housing 1; one of the pair of side surfaces 13 of the insulative housing 1 is assembled with the second rail 131 into the metal housing 2 The second guide groove 221 is inside. The first guide rails 141 of the front end face 14 of the insulative housing 1 are assembled into the first guide slots 24 of the metal housing 2. The upper surface 11 and the lower surface 12 of the insulative housing 1 are exposed outside the metal housing 2 and are flush with the upper and lower edges 26, 26 of the metal housing 2, respectively.

Referring to the fourth and fifth figures, when the plug connector 100 of the present invention is inserted into the USB socket 7, the terminal (not shown) of the USB socket 7 is electrically connected to the conductive terminal 3 on the upper surface 11 or the lower surface 12 of the insulative housing 1. The elastic piece 71 on the top of the USB socket 7 interferes with the curved protrusion 232 on the holding member 23 of the metal casing 2 to achieve stable cooperation; the elastic piece 71 on the side of the USB socket 7 faces the side wall 22 of the metal casing 2 The fixing groove 27 interferes to achieve a stable fit.

In the specific use, the upper surface 11 and the lower surface 12 of the insulative housing 1 of the present invention are provided with the same conductive terminal 3, and the insulative housing 1 is integrally formed by the second rail 131 on both sides along the metal housing 2. The two guide grooves 221 are integrally assembled with the metal casing 2. At this time, the first rail 141 of the insulative housing 1 is inserted into the first guiding slot 24 of the metal housing 2 to achieve assembly and positioning with the metal housing 2. The holding member 23 of the metal casing 2 is inserted into the positioning groove 111 of the insulative housing 1, and the step portion 231 of the holding member 23 extends into the limiting groove 112 to prevent the holding member 23 from being lifted during use. The conductive terminal 3 is soldered to the printed circuit board 4, and a segment of the cable 5 is soldered to the printed circuit board 4 to be electrically connected to the conductive terminal 3. The insulating housing 6 is disposed outside the metal housing 2 and partially covers the metal housing 2 and the insulating body 1. The plug connector 100 is inserted into the USB socket 7. The terminal (not shown) of the USB socket 7 is electrically connected to the upper surface 11 of the insulative housing 1 or the conductive terminal 3 on the lower surface 12. The top and sides of the USB socket 7 are electrically connected. The elastic piece 71 acts on the surface of the holding member 23 and the side wall 22 of the metal casing 2, and interferes with the arcuate projection 232 of the holding member 23 and the fixing groove 27 on the side wall 22 to be fixed and stabilized.

In other embodiments of the present invention, first, the conductive terminals 3 are soldered to the printed circuit board 4 to complete electrical connection, and then the conductive terminals 3, the printed circuit board 4 and the metal casing 2 are simultaneously fixed to the mold. In the injection molding of the insulating body 1, the purpose of the creation can also be achieved.

In other embodiments of the present invention, the second guiding groove 221 is disposed on two sides of the insulating body 1, and the second guiding rail 131 is disposed on the two side walls 22 of the metal casing 2, which can also achieve the purpose of the present invention.

The front and back sides of the present plug connector 100 are provided with conductive terminals 3 corresponding to the terminals (not shown) of the USB socket 7, so that the original plug connector 100 can be inserted in the forward or reverse direction. The USB socket 7 is easy to operate and avoids the situation that it cannot be inserted when randomly inserted. In addition, the metal housing 2 of the present plug connector 100 is mated with the second guide rail 131 and the second guide slot 221 during the installation process, and the metal housing 2 is smoothly mounted on the insulative housing 1, so the installation process It is simple and easy to operate and easy to insulate the positioning of the body 1 and the conductive terminals 3 with respect to the metal housing 2. The upper surface 11 and the lower surface 12 of the insulating body 1 are flush with the upper edge 25 and the lower edge 26 of the metal casing 2, respectively, so that the upper surface 11 and the lower surface 12 of the insulating body 1 are exposed outside the metal casing 2 The contact portion of the conductive terminal 3 on the front side or the reverse side of the plug connector 100 can be directly electrically connected to the terminal (not shown) of the USB socket 7.

Since the original plug connector 100 adopts the metal casing 2, and the metal casing 2 is provided with the holding member 23, the main body of the plug connector 100 can be prevented from being scratched by the elastic piece 71 on the USB socket 7, and more on the holding member 23. The curved protrusion 232 interferes with the elastic piece 71 on the USB socket 7 to make the fixing more firm. Compared with the prior art, the present invention has the following beneficial effects: the plug connector 100 can be protected from damage, plug connector and USB. The fixing of the socket is more firm, etc., thereby achieving the purpose of the creation.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

100‧‧‧ plug connector

1‧‧‧Insulating body

2‧‧‧Metal housing

3‧‧‧Electrical terminals

5‧‧‧ Cable

6‧‧‧Insulated housing

Claims (10)

A plug connector includes an insulative housing, a metal housing at least partially surrounding the insulative housing, a conductive terminal disposed in the insulative housing, a printed circuit board soldered to the conductive terminal and held by the insulative housing, the metal housing The utility model comprises a plurality of retaining walls, wherein the retaining wall extends with a plurality of retaining members, and the retaining member extends into the insulating body to hold the metal shell on the insulating body. The plug connector of claim 1, wherein the insulative housing is assembled on the metal housing, the insulative housing is provided with an upper surface, a lower surface, a pair of side surfaces, and a front end surface, wherein the upper portion The surface and the lower surface are respectively provided with a plurality of positioning grooves recessed inwardly to cooperate with the holding member, and one end of the positioning groove starts from the front end surface and extends rearward. The plug connector of claim 2, wherein the plurality of retaining walls comprise a laterally extending front retaining wall and a longitudinally extending sidewall from both ends of the front retaining wall, the plurality of retaining members extending rearwardly from the front retaining wall . The plug connector of claim 3, wherein one of the front end wall of the front barrier wall and the front end surface of the insulative housing is provided with a first guide slot, and the other is provided with Projecting a first rail that cooperates with the first guide slot. The plug connector of claim 4, wherein the holder is provided with four and symmetrically distributed at a rear end of the front barrier wall. The plug connector of claim 3, wherein one of the pair of side walls and the side of the insulating body are provided with a pair of second guide grooves, and the other is provided with a lateral direction Projecting to engage the second rail with one of the pair of second guide slots. The plug connector of claim 2, wherein the free end of the holding member is provided with a step portion, and the other end of the positioning groove is provided with a limiting groove recessed rearwardly to cooperate with the step portion . The plug connector of claim 1, wherein the plug connector is a USB plug, and the front and back sides of the plug connector are provided with corresponding conductive terminals that are inserted in a forward or reverse manner. Inside the USB socket. The plug connector of claim 1, wherein the holder is provided with an arcuate projection that interferes with the elastic piece of the USB socket. The plug connector of claim 1, wherein the metal housing is made of a zinc alloy.