TWI665830B - Electrical connector structure - Google Patents

Abstract

The invention relates to an electrical connector structure. The electrical connector structure includes a printed circuit board component and a metal shell. The printed circuit board component has a tongue plate on one side and a thickened block on the other side. At least one of the surface and the upper surface is electrically provided with a plurality of first lead portions, the bottom surface of the thickened block is electrically provided with a plurality of second lead portions, and the bottom surface of the thickened block is lower than the lower surface of the tongue plate. Therefore, a height difference is generated between the bottom surface of the thickened block and the lower surface of the tongue plate; the metal shell is sleeved on the tongue plate and is wrapped around the tongue plate. Therefore, the conventional root-shaped conductive terminal component is replaced, so as to omit operations such as alignment and plugging, and the electrical connector structure has the advantages of simple assembly steps and time and labor saving.

Description

Electric connector structure

The present invention relates to an electrical connector for outputting or inputting power or signals, and in particular, to an electrical connector structure.

In recent years, with the popularization of Universal Serial Bus (USB) connectors, various electronic devices such as personal computers, tablets, and smartphones are equipped with USB connectors. Users can access the USB interface through the USB interface. For easy data transmission, the USB connector quickly spreads around the lives of the general public.

However, the traditional USB connector has a plurality of conductive terminals, and the plurality of conductive terminals are used for plugging and mounting on a circuit board. However, some types of USB connectors (such as USB Type-C) have complicated functions and have too many components. Conductive terminals. Excessive numbers of conductive terminals are used for alignment, plugging, and welding operations, which easily lead to problems such as complicated assembly steps and time-consuming.

In view of this, the present inventors have devoted themselves to the above-mentioned prior art, researched intensively and cooperated with the application of science to try to solve the above-mentioned problems, which has become the goal of the inventors' development.

The invention provides an electrical connector structure. The printed circuit board is provided with a thickened block, and the bottom surface of the thickened block is electrically provided with a plurality of second lead-in portions, thereby replacing conventional root-shaped conductive terminals to achieve omission. Alignment, plugging and other operations allow the electrical connector structure to have the advantages of simple assembly steps and time and labor saving.

In an embodiment of the present invention, the present invention provides an electrical connector structure, including: a printed circuit board, a tongue plate on one side and a thickened block on the other side, a lower surface and an upper surface of the tongue plate At least one of them is electrically provided with a plurality of first lead portions, and the bottom surface of the thickened block is electrically provided with a plurality of second lead portions, and the bottom surface of the thickened block is lower than the lower portion of the tongue plate. A surface, so that a height difference is generated between the bottom surface of the thickened block and the lower surface of the tongue plate; and a metal shell is sleeved on the tongue plate and wrapped around the tongue plate.

Based on the above, the shielding shell is sleeved on the metal shell and is wrapped around the metal shell, so as to form a shielding layer on the tongue plate and the outer periphery of the metal shell, thereby avoiding signal loss (Loss) of the transmitted high-frequency signals to prevent The signal of the Type-C electrical connector is attenuated during the transmission line.

Based on the above, two gap openings are formed between the rear end portion of the metal shell and the upper and lower surfaces of the first printed circuit board. At least one of the upper shell wall and the lower shell wall of the shielding shell extends and is bent with a shielding gap opening. To increase the shielding capacity of the shielding shell.

The detailed description and technical content of the present invention will be described below with reference to the drawings, but the drawings are for illustrative purposes only, and are not intended to limit the present invention.

Please refer to FIG. 1 to FIG. 6. The present invention provides an electrical connector structure. The electrical connector structure 10 mainly includes a printed circuit board component 1, a metal shell 2, a shielding shell 3, and a group of connection structures 4. .

As shown in FIGS. 1 to 6, the printed circuit board 1 has a tongue plate 11 on one side and a thickened block 12 on the other side. At least one of the lower surface 111 and the upper surface 112 of the tongue plate 11 is electrically connected. A plurality of first lead portions 13 are provided, and a bottom surface 121 of the thickened block 12 is electrically provided with a plurality of second lead portions 14. The bottom surface 121 of the thickened block 12 is lower than the lower surface 111 of the tongue plate 11, so that A height difference h is generated between the bottom surface 121 of the thickened block 12 and the lower surface 111 of the tongue plate 11. Wherein, each of the first conductive portions 13 and each of the second conductive portions 14 are electrically connected to each other.

The detailed description is as follows. The printed circuit board component 1 includes a first printed circuit board 15 and a second printed circuit board 16. The first printed circuit board 15 forms a tongue plate 11 on one side and a connecting surface 151 at the bottom of the other side. The thick block 12 is formed of a second printed circuit board 16 fixed to the connection surface 151. The first printed circuit board 15 and the second printed circuit board 16 are respectively a printed circuit board complying with the USB Type-C specification, and the electrical connector structure 10 is a Type-C electrical connector. 13 is disposed on at least one of the lower surface 111 and the upper surface 112 in a covering manner, and each second connecting portion 14 is disposed on a bottom surface 121 of the thickened block 12 in a covering manner.

As shown in FIG. 1 to FIG. 6, the metal shell 2 is sleeved on the tongue plate 11 and is wrapped around the tongue plate 11. Between the rear end portion 21 of the metal shell 2 and the upper and lower surfaces of the first printed circuit board 15 Two gap openings 211 are formed, and two protruding pieces 22 extend from the left and right sides of the rear section of the metal shell 2, and each protruding piece 22 has an end edge 221.

In addition, the metal shell 2 has a top wall 23 and a bottom wall 24 opposite to each other. The top wall 23 and the bottom wall 24 are extended with a plurality of support legs 25. The plurality of support legs 25 respectively abut the two sides of the tongue plate 11, and the metal The casing 2 has a socket 26, and each supporting leg 25 extends in the direction of the socket 26 and is bent with a contact piece 251, and each contact piece 251 is attached to the tongue plate 11. The top wall 23 and the bottom wall 24 of the metal shell 2 are respectively provided with a recessed groove 27.

As shown in FIGS. 1 to 6, the shielding shell 3 is sleeved on the metal shell 2 and is wrapped around the metal shell 2. The shielding shell 3 has an upper shell wall 31 and a lower shell wall 32, and an upper shell wall 31 and a lower shell. At least one of the walls 32 extends and is bent with a cover sheet 33 covering the gap opening 211. Wherein, in this embodiment, the upper shell wall 31 and the lower shell wall 32 extend and are bent with two covering sheets 33, each covering sheet 33 covers each gap opening 211, and the covering sheet 33 is extended from the upper shell wall 31, but not This is a limitation.

In addition, the upper shell wall 31 and the lower shell wall 32 of the shield shell 3 are provided with two protrusions 34 protruding from the outside to the inside, that is, the protrusions 34 protrude from the inner walls of the upper and lower shell walls 31 and 32, and each of the protrusions 34 is embedded. Fixed in each recessed groove 27.

As shown in FIG. 1 to FIG. 5, the assembly structure 4 is disposed on the metal shell 2 and the shielding shell 3. The first printed circuit board 15 and the metal shell 2 are positioned with each other via the assembly structure 4. The first printed circuit board 15 and the shielding shell 3 are positioned with each other via the assembly structure 4.

The detailed description is as follows. The assembly structure 4 includes a plurality of shell positioning grooves 41, a plurality of plate positioning grooves 42, and a plurality of insertion positioning grooves 43. The plurality of shell positioning grooves 41 are formed on the metal shell 2 and the plurality of plate positioning grooves 42. It is formed on the first printed circuit board 15, and a plurality of insertion positioning grooves 43 are formed on the shield case 3. The positioning grooves 41 of each shell of the metal shell 2 and the positioning grooves 42 of each of the first printed circuit boards 15 are mutually Position each other so that the sides of the first printed circuit board 15 correspond to the plurality of shell positioning grooves 41 of the metal shell 2 and are inserted into each other, and the sides of the first printed circuit board 15 also correspond to the shield case 3 The plurality of insertion positioning grooves 43 are inserted to position each other.

In addition, the number of the shell positioning grooves 41, the plate positioning grooves 42 and the insertion positioning grooves 43 are two, and each of the shell positioning grooves 41 is respectively formed from the end edge 221 of each protruding piece 22 of the metal shell 2, and the two plates are formed. The positioning grooves 42 are disposed on opposite sides of the tongue plate 11, and the two insertion positioning grooves 43 are formed from the middle of the left and right sides of the rear section of the shielding shell 3.

As shown in FIG. 1 to FIG. 6, the shielding case 3 of this embodiment has two positioning pins 6 extending toward the left and right sides. The circuit board 100 is provided with a plurality of electrical connection portions 101 and two insertion holes 102 in a covering manner. Each of the second lead portions 14 of the bottom surface 121 of the thickened block 12 is electrically connected to each of the electrical connection portions 101 by welding, and the two positioning pins 6 are inserted into the two insertion holes 102 so that the electrical connector structure 10 is installed. And is electrically connected to the circuit board 100.

As shown in FIG. 1 to FIG. 6, the use state of the electrical connector structure 10 of the present invention is that the printed circuit board 1 has a thickened block 12, and a bottom surface 121 of the thickened block 12 is electrically provided with a plurality of second guides. Since the thickness of the thickening block 12 is mainly filled with the distance between the first printed circuit board 15 and the circuit board 100, the second conductive portions 14 of the bottom surface 121 of the thickening block 12 are firmly in contact with each other. Each of the electrical connection portions 101 further replaces the conventional root-shaped conductive terminal components, so as to omit operations such as positioning and plugging, and the electrical connector structure 10 has the advantages of simple assembly steps, time and labor saving, and the like.

In addition, the shield shell 3 is sleeved on the metal shell 2 and is wrapped around the metal shell 2 so as to form a shield layer on the tongue plate 11 and the outer periphery of the metal shell 2 to prevent signal loss of the transmitted high-frequency signals (Loss ) To prevent the signal of the Type-C electrical connector from being attenuated during the transmission line.

Furthermore, two gap openings 211 are formed between the rear end portion 21 of the metal case 2 and the upper and lower surfaces of the first printed circuit board 15, and one of the upper case wall 31 and the lower case wall 32 of the shield case 3 extends. In addition, the cover sheet 33 for shielding the gap opening 211 is bent, so as to enhance the shielding ability of the shielding shell 3.

Moreover, the first printed circuit board 15 and the metal shell 2 are positioned with each other via the assembly structure 4, and the first printed circuit board 15 and the shield case 3 are positioned with each other via the assembly structure 4, and the bumps of the shield case 3 34 is embedded in the recessed groove 27 of the metal case 2 so as to reach the first printed circuit board 15 and the metal case 2, the first printed circuit board 15 and the shield case 3, the shield case 3 and the metal case 2 are firmly assembled with each other, The assembly structure strength of the electrical connector structure 10 is further improved.

In addition, two shell positioning grooves 41 are provided in the middle of the left and right sides of the rear section of the metal shell 2, two plate positioning grooves 42 are provided in the opposite sides of the tongue plate 11, and two sockets are provided in the middle of the left and right sides of the shield housing 3. The positioning grooves 43, the housing positioning grooves 41 of the metal shell 2 and the plate positioning grooves 42 of the first printed circuit board 15 are inserted into each other to position each other, and the sides of the first printed circuit board 15 correspond to the two of the shield housing 3. The insertion positioning grooves 43 are inserted and positioned to each other, so that the tongue plate 11 is firmly and accurately maintained in the middle position of the metal shell 2 to facilitate the corresponding insertion of the USB Type-C male connector.

In summary, the electrical connector structure of the present invention has not been seen in similar products and used publicly, and has industrial applicability, novelty, and progress, which fully meets the patent application requirements, and is based on the patent law. Please file for details Investigate and grant the patent in this case to protect the rights of the inventor.

10‧‧‧electric connector structure

1‧‧‧printed circuit board

11‧‧‧ tongue plate

111‧‧‧ lower surface

112‧‧‧ Top surface

12‧‧‧ thickened block

121‧‧‧ underside

13‧‧‧First lead

14‧‧‧Second Guide

15‧‧‧First printed circuit board

151‧‧‧Connecting surface

16‧‧‧Second printed circuit board

2‧‧‧ metal case

21‧‧‧ rear

211‧‧‧Gap

22‧‧‧ prominence

221‧‧‧ end edge

23‧‧‧Top wall

24‧‧‧ bottom wall

25‧‧‧ support feet

251‧‧‧ abutment film

26‧‧‧Socket

27‧‧‧ Depression trench

3‧‧‧shielded enclosure

31‧‧‧ Upper shell wall

32‧‧‧ lower shell wall

33‧‧‧ Cover Sheet

34‧‧‧ bump

4‧‧‧ Connection structure

41‧‧‧Shell positioning groove

42‧‧‧ Plate positioning groove

43‧‧‧Plug positioning groove

6‧‧‧ positioning feet

100‧‧‧Circuit Board

101‧‧‧Electrical connection

102‧‧‧Plug holes

h‧‧‧ height difference

FIG. 1 is an exploded perspective view of the electrical connector structure of the present invention.

FIG. 2 is a perspective assembled view of the electrical connector structure of the present invention.

FIG. 3 is another perspective assembled view of the electrical connector structure of the present invention.

FIG. 4 is a schematic diagram of the use state of the electrical connector structure of the present invention.

FIG. 5 is a schematic diagram of another use state of the electrical connector structure of the present invention.

FIG. 6 is a schematic cross-sectional view of the electrical connector structure of the present invention.

Claims (9)

An electrical connector structure includes: a printed circuit board, a tongue plate on one side and a thickened block on the other side, at least one of a lower surface and an upper surface of the tongue plate is electrically provided with a plurality of first A lead portion, the bottom surface of the thick block is electrically provided with a plurality of second lead portions, and the bottom surface of the thick block is lower than the lower surface of the tongue plate, so that the bottom surface of the thick block A height difference is generated between the tongue plate and the lower surface of the tongue plate; and a metal shell is sleeved on the tongue plate and is wrapped around the tongue plate; wherein the printed circuit board component includes a first printed circuit board And a second printed circuit board, the tongue formed on one side of the first printed circuit board and a connecting surface at the bottom of the other side, and the thickened block is formed by the second printed circuit board fixed to the connecting surface. And each of the first conductive portions and each of the second conductive portions are electrically connected to each other through the connecting surface. The electrical connector structure according to claim 1, further comprising a shield shell and a group of connection structures, the shield shell is sleeved on the metal shell and is wrapped around the metal shell, and the assembly structure is disposed on the A metal shell, the first printed circuit board and the metal shell are positioned to each other via the assembly structure. The electrical connector structure according to claim 2, wherein two gaps are formed between the rear end portion of the metal shell and the upper and lower surfaces of the first printed circuit board, and the shielding shell has an upper shell wall and a lower shell. At least one of the shell wall, the upper shell wall and the lower shell wall is extended and bent with a cover sheet covering the gap opening. The electrical connector structure according to claim 2 or 3, wherein the assembly structure comprises a plurality of shell positioning grooves formed in the metal shell, and a side of the first printed circuit board corresponds to the plurality of shell parts of the metal shell. The positioning grooves are inserted to position each other. The electrical connector structure according to claim 4, wherein the assembly structure further includes a plurality of plate positioning grooves provided in the first printed circuit board, and each of the housing positioning grooves of the metal shell and the first printed circuit Each of the plate positioning grooves of the board is inserted into each other to position each other. The electrical connector structure according to claim 5, wherein the assembling structure further includes a plurality of plug-in positioning grooves provided in the shielding shell, and the side of the first printed circuit board corresponds to the plurality of plug-in positioning of the shielding shell. The trenches are inserted to position each other. The electrical connector structure according to claim 6, wherein the number of positioning grooves of the shell, the positioning grooves of the plate and the positioning grooves of the plug are two respectively, and two protruding pieces extend from the left and right sides of the rear section of the metal shell, and each of the protruding pieces The sheet has an end edge, and each of the housing positioning grooves is respectively formed from the middle of each of the end edges. The two plate positioning grooves are arranged on opposite sides of the tongue plate, and the two plug positioning grooves are from the rear section of the shielding shell. The left and right sides are open for molding. The electrical connector structure according to claim 7, wherein the metal shell has a socket and a top wall and a bottom wall opposite to each other, and the top wall and the bottom wall extend with a plurality of supporting feet, each supporting foot facing The socket extends in the direction and is bent with an abutment piece, and the plurality of abutment pieces respectively abut on two sides of the tongue plate. The electrical connector structure according to claim 8, wherein the top wall and the bottom wall of the metal shell are respectively provided with a recessed groove, the shielding shell is provided with two convex points protruding from the outside to the inside, and each of the convex points is embedded in Each depression groove.