Double-layer circuit board connector structure

Abstract

A double-layer circuit board connector structure comprises a shell, a first circuit module, a second circuit module and a shielding component. An accommodating space is arranged in the shell, the first circuit module is arranged in the accommodating space and is provided with a first circuit board, a first forming module and a plurality of first conducting elements, each first conducting element is electrically connected to the rear end of the first circuit board, and the second circuit module is arranged in the accommodating space and is overlapped on the first circuit module; the shielding component is arranged between the first circuit board and the second circuit board and is provided with a first shielding surface and a second shielding surface, and the second shielding surface is provided with a plurality of second conductive connection elements which are electrically connected to the rear end of the second circuit board; therefore, the crosstalk problem between the double-layer circuit board can be reduced, and the crosstalk problem between the double-layer circuit board can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a connector, especially a double-layer circuit board connector structure with shielding effect. BACKGROUND

[0002] With the development of science and technology, the current connector design mainly tends to high density and miniaturization, so the design of double-layer circuit boards is increasing month by month. However, the first problem of the connector structure of the double-layer circuit board is the crosstalk problem between the two circuit boards. Therefore, how to solve this crosstalk has become an important issue.

[0003] Therefore, it is necessary to provide a design that is reasonable to improve or solve the above-mentioned shortcomings. INVENTION CONTENTS

[0004] The main purpose of the utility model is to provide a double-layer circuit board connector structure which can be used to reduce the crosstalk problem between the double-layer circuit boards.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a double-layer circuit board connector structure, which comprises a shell, a first circuit module, a second circuit module, and a shielding member; the shell has a containing space inside, and the containing space extends towards the front of the shell to have a socket; the first circuit module is arranged in the containing space and has a first circuit board, a first molding module and a plurality of first lead-through elements, the front end of the first circuit board faces the socket, each first lead-through element is electrically connected to the rear end of the first circuit board, the first molding module is combined with the rear end of the first circuit board, and the first lead-through elements pass through the inside of the first molding module and extend out of the rear end thereof; the second circuit module is arranged in the containing space and stacked on the first circuit module, and has a second circuit board, a second molding module and a plurality of second lead-through elements, the front end of the second circuit board faces the socket, each second lead-through element is electrically connected to the rear end of the second circuit board, the second molding module is combined with the rear end of the second circuit board, and the second lead-through elements pass through the inside of the second molding module and extend out of the rear end thereof; the shielding member is arranged between the first circuit board and the second circuit board and has a first shielding surface facing the electrical connection between the first lead-through elements and the first circuit board, and a second shielding surface facing the electrical connection of the second lead-through elements.

[0006] In some embodiments, the shell further has a first shell plate, a second shell plate, and two side shell plates, the first shell plate and the second shell plate are spaced apart from each other, and the two side shell plates are respectively connected to the two sides between the first shell plate and the second shell plate.

[0007] In some embodiments, the housing comprises a first housing member and a second housing member, the first housing member is formed by the first housing plate and the two side housing plates, and the second housing member is formed by the second housing plate, and two side edges are respectively formed by bending downward at two sides of the second housing plate, and the two side edges are respectively engaged with the two side housing plates.

[0008] In some embodiments, two side edges are respectively formed by bending downward at two sides of the second housing plate, and the two side edges are respectively engaged with the two side housing plates.

[0009] In some embodiments, a convex wall is respectively formed on the inner wall of the two side housing plates, at least one sliding groove and at least one sliding block are respectively formed on the convex wall, and two notches are respectively formed on two sides of the shielding member, and at least one convex part is respectively protruded from the two notches, and the shielding member is assembled in the accommodating space by matching the notches with the sliding blocks and the sliding grooves.

[0010] In some embodiments, a positioning groove is further formed in the convex wall adjacent to the socket, and a first clamping part is respectively protruded from two sides of the first circuit board, and the first circuit module is assembled in the housing adjacent to the first housing plate by matching the first clamping part with the positioning groove.

[0011] In some embodiments, a positioning piece is respectively formed on two sides of the second housing plate, and the positioning piece extends towards the positioning groove and abuts against the first clamping part.

[0012] In some embodiments, a second clamping part is respectively protruded from two sides of the second circuit board, and the second circuit board is assembled in the housing adjacent to the second housing plate by matching the second clamping part with the sliding block.

[0013] In some embodiments, the first molding module is overmolded on the first circuit board to have a first embedding groove and is embedded in the rear end of the first circuit board to expose the front end of each first connecting element and the first circuit board, and the second molding module is overmolded on the second circuit board to have a second embedding groove and is embedded in the rear end of the second circuit board to expose the front end of each second connecting element and the second circuit board.

[0014] In some embodiments, a first insulating layer and a second insulating layer are respectively formed on the first connecting element and the second connecting element and the first circuit board and the second circuit board.

[0015] In some embodiments, the first molding module is provided with one or a plurality of first clamping portions, and the second molding module is provided with corresponding one or a plurality of second clamping portions, and the second molding module is positioned and fixed to the first clamping portions by the second clamping portions and clamps the shielding member.

[0016] In some embodiments, the first molding module has a first groove, and the second molding module has a second groove, and the first groove and the second groove are opposite to each other and clamp the rear edge of the shielding member. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional combined schematic diagram of the utility model.

[0018] Figure 2 It is a three-dimensional exploded schematic diagram of the utility model.

[0019] Figure 3 It is a three-dimensional exploded diagram of the first and second circuit modules and the shielding member of the utility model.

[0020] Figure 4 It is a three-dimensional local exploded diagram of the first circuit module of the utility model.

[0021] Figure 5 It is a three-dimensional local exploded diagram of the second circuit module of the utility model.

[0022] Figure 6 It is a local cross-sectional schematic diagram of the utility model.

[0023] Figure 7 It is a local cross-sectional schematic diagram of the utility model.

[0024] Figure 8 It is a cross-sectional schematic diagram of 8-8 according to the utility model. Figure 7

[0025] In the figure:

[0026] ​1: housing; 1a: first shell piece; 1b: second shell piece; 10: first shell plate; 11: second shell plate; 110: side edge; 111: buckle part; 112: positioning sheet; 113: pull handle; 12: side shell plate; 120: convex wall; 121: sliding-in groove; 122: sliding-in block; 122a: second clamping point; 123: positioning groove; 123a: first clamping point; 13: accommodating space; 130: front end area; 130a: socket; 131: rear end area; 2: first circuit module; 20: first circuit board; 200: first clamping part; 200a: first clamping groove; 21: first shaped module; 210: first embedding groove; 211: first clamping part; 212: first recess; 22: first lead-through element; 220: front end; 23: first insulating layer; 3: second circuit module; 30: second circuit board; 300: second clamping part; 300a: second clamping groove; 31: second shaped module; 310: second embedding groove; 311: second clamping part; 312: second recess; 32: second lead-through element; 320: front end; 33: second insulating layer; 4: shielding member; 40: shielding body; 400: second shielding surface; 401: first shielding surface; 41: notch; 42: protrusion; F1: plug-in direction; F2: assembly direction. DETAILED DESCRIPTION

[0027] For the further understanding of the features and technical contents of the present application, please refer to the following detailed description and drawings of the present application. However, the drawings are provided for reference and illustration only, and are not intended to limit the present application. The present application will be further described in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present application and implement it. However, the embodiments are not intended to limit the present application.

[0028] Please refer to Figure 1 and Figure 2 , which are a three-dimensional combined schematic view and a three-dimensional exploded schematic view of the present application. The present application provides a double-layer circuit board connector structure, which comprises a housing 1, a first circuit module 2, a second circuit module 3, and a shielding member 4. Wherein:

[0029] The shell 1 is used to cover the above-mentioned components, and has a first shell plate 10, a second shell plate 11, and two side shell plates 12. The first shell plate 10 and the second shell plate 11 are spaced apart from each other, and the two side shell plates 12 are respectively connected between the first shell plate 10 and the second shell plate 11 at two sides, so as to surround and form a containing space 13 in the shell 1, the containing space 13 is used for accommodating the first circuit module 2 and the second circuit module 3, and the containing space 13 has a front end area 130 and a rear end area 131, and the front end area 130 further extends towards the front of the shell 1 to form a socket 130a. In the embodiment of the utility model, the shell 1 comprises a first shell part 1a and a second shell part 1b, the first shell part 1a is composed of the first shell plate 10 and the two side shell plates 12, and the second shell part 1b is composed of the second shell plate 11, and a side edge 110 is arranged on each side of the second shell plate 11 and is bent downwards, the two side edges 110 are respectively connected to the two side shell plates 12, and a buckle part 111 is arranged at the front end of each side edge 110 and is buckled to the front end of each side shell plate 12 to be positioned and connected, and the first shell part 1a and the second shell part 1b are connected and fixed as a whole by a locking element such as a bolt.

[0030] As shown in Figure 2 and Figure 3 , the first circuit module 2 and the second circuit module 3 are arranged in the above-mentioned containing space 13 in a superposed manner, and the shielding component 4 is clamped between the first circuit module 2 and the second circuit module 3. As shown in Figure 4 , the first circuit module 2 has a first circuit board 20, a first molded module 21, and a plurality (two or more) of first connecting elements 22, each first connecting element 22 can be a cable or a terminal, and the front end 220 of each first connecting element 22 is welded to the rear end of the first circuit board 20 to be electrically connected, the first molded module 21 is combined with the rear end of the first circuit board 20 in a plastic covering injection molding manner, and the first connecting elements 22 pass through the inside of the first molded module 21 and extend out of the rear end thereof; specifically, the first molded module 21 is covered and molded on the first circuit board 20 to have a first embedding groove 210 embedded in the rear end of the first circuit board 20, and the front end 220 of each first connecting element 22 and the welding position of the first circuit board 20 are exposed, and a first insulation layer 23 made of a material such as UV glue is arranged on the welding position to protect it. When the first connecting element 22 is a cable, the front end 220 of the first connecting element 22 is the exposed core of the cable, so the exposed core of the first connecting element 22 is covered by the first insulation layer 23, and the remaining part is covered by the first molded module 21.

[0031] As shown in Figure 5As shown, the second circuit module 3 has a second circuit board 30, a second molding module 31 and a plurality of second connecting elements 32. Each second connecting element 32 can be a cable or a terminal, and the front end 320 of each second connecting element 32 is welded to the rear end of the second circuit board 30 to make electrical connection. The second molding module 31 is combined with the rear end of the second circuit board 30 by plastic overmolding injection molding, and the second connecting elements 32 pass through the inside of the second molding module 31 and extend out of the rear end of the second molding module 31. Specifically, the second molding module 31 is overmolded on the second circuit board 30 to have a second slot 310 fitted on the rear end of the second circuit board 30, and the front end 320 of each second connecting element 32 and the welding position of the second circuit board 30 are exposed. A second insulation layer 33 made of a material such as UV glue is provided on the welding position to protect the welding position. When the second connecting element 32 is a cable, the front end 320 of the second connecting element 32 is the exposed core of the cable. The core of the second connecting element 32 is covered by the second insulation layer 33, and the rest of the second connecting element 32 is covered by the second molding module 31.

[0032] As shown in Figure 2 , Figure 3 and Figure 6 , the first circuit module 2, the second circuit module 3 and the shielding member 4 are arranged in the accommodation space 13 of the housing 1. Specifically, the first molding module 21 of the first circuit module 2 is provided with one or more first buckling portions 211, and the second molding module 31 of the second circuit module 3 is provided with one or more second buckling portions 311 corresponding to the first buckling portions 211. The second buckling portions 311 of the second molding module 31 are aligned and fixed on the first buckling portions 211 of the first molding module 21. The shielding member 4 is arranged between the first circuit board 20 and the second circuit board 30. The first circuit board 20 and the first molding module 21 of the first circuit module 2, and the second circuit board 30 and the second molding module 31 of the second circuit module 3 are located in the front end area 130 of the accommodation space 13. The first connecting elements 22 of the first circuit module 2 and the second connecting elements 32 of the second circuit module 3 are located in the rear end area 131 of the accommodation space 13 and extend out of the rear end area 131. The front ends of the first circuit board 20 and the second circuit board 30 face the socket 130a, and a mating connector (not shown) can be inserted in the direction F1. Figure 3 and Figure 6As shown, the shielding member 4 can also be sandwiched by the first molding module 21 and the second molding module 31 from top and bottom, respectively, wherein the first molding module 21 has a first recess 212, and the second molding module 31 has a second recess 312, and when the first molding module 21 is fixed on the second molding module 31, the first recess 212 and the second recess 312 can be oppositely arranged and sandwiched on the rear edge of the shielding member 4, and the shielding member 4 can be extended forward to have a first shielding surface 401 and a second shielding surface 400, the first shielding surface 401 is electrically connected to the rear end of each first connecting element 22 and the first circuit board 20, and the second shielding surface 400 is electrically connected to the rear end of each second connecting element 32 and the second circuit board 30, so that the shielding member 4 can shield between the welding positions of the first circuit module 2 and the second circuit module 3, thereby reducing the crosstalk problem between the first circuit board 20 and the second circuit board 30.

[0033] As shown in Figure 2 and Figure 7 , the first circuit module 2, the second circuit module 3 and the shielding member 4 are arranged in the assembly direction F2 in the housing 1, and the assembly direction F2 is perpendicular to the insertion direction F1 of the socket 130a, so that the assembly structure can withstand a large insertion and extraction force and has a good assembly structure. Figure 3 As shown, the first circuit board 20 has a first clamping portion 200 protruding from both sides, and a first clamping groove 200a is recessed on the first clamping portion 200, and the second circuit board 30 also has a second clamping portion 300 protruding from both sides, and a second clamping groove 300a is recessed on the second clamping portion 300, and the shielding member 4 has a shielding body 40 in the form of a sheet, and a recess 41 is recessed on both sides of the shielding body 40, and two protrusions 42 are protruding from the recess 41, respectively. Figure 2 and Figure 8 As shown, the housing 1 has a protrusion 120 on the inner wall of the side shell plate 12, and the protrusion 120 has at least one sliding groove 121 and a sliding block 122, and the sliding block 122 has a second clamping point 122a; at the same time, the protrusion 120 further has a positioning groove 123 adjacent to the socket 130a, and a first clamping point 123a is protruding from the positioning groove 123.

[0034] Accordingly, as shown in Figure 2 and Figures 6 to 8As shown, when the first circuit module 2 is placed in the accommodating space 13 with the first circuit board 20, the first clamping portion 200 of the first circuit board 20 can be assembled into the housing 1 in the vertical assembly direction F2 and is adjacent to the first shell plate 10, and the first clamping slot 200a is clamped into the first clamping point 123a. Then, the shielding body 40 is stacked on the first molded module 21 in the assembly direction F2, and the notch 41 and the protrusion 42 are respectively matched with the sliding block 122 and the sliding slot 121. Finally, the second clamping portion 300 of the second circuit board 30 is matched with the sliding block 122 in the assembly direction F2, and the second clamping slot 300a is clamped into the second clamping point 122a, so that the second molded module 31 is stacked on the shielding body 40, and the second circuit board 30 is adjacent to the second shell plate 11. In this way, the first circuit module 2, the second circuit module 3 and the shielding member 4 are assembled in the housing 1 in the stacked manner, so that the first shell 1a and the second shell 1b of the housing 1 are assembled, the positioning piece 112 is arranged on the two side edges 110 of the second shell plate 11, and the positioning piece 112 extends towards the positioning slot 123 and abuts against the first clamping portion 200, and the second clamping portion 300 is abutted by the two side edges of the second shell plate 11, so that the connector can withstand greater force in the plug-in direction F1 during plugging and unplugging, and is not easy to be damaged. In addition, a pull handle 113 is arranged on the rear side of the second shell plate 11 to facilitate the connector to be pulled out during plugging.

[0035] Therefore, the double-layer circuit board connector structure is obtained by the above-mentioned structure.

[0036] The above-mentioned embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. The equivalent substitutions or transformations made by the person skilled in the art on the basis of the present application are within the protection scope of the present application.

Claims

1. A double-layer circuit board connector structure, characterized in that, The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively.

2. The double-layered board connector structure according to claim 1, wherein The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively.

3. The dual-in-line circuit board connector structure of Claim 2, wherein, The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively.

4. The dual-in-line circuit board connector structure of Claim 2, wherein, The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively.

5. The dual-in-line circuit board connector structure of Claim 2, wherein, The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively.

6. The dual-in-line circuit board connector structure of Claim 5, wherein, The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively.

7. The dual-in-line circuit board connector structure of Claim 6, wherein, The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively. The housing further has a first housing plate, a second housing plate, and two side housing plates. The first housing plate and the second housing plate are spaced apart from each other. The two side housing plates are connected to the first housing plate and the second housing plate respectively. The second housing plate has two side edges which are bent downward and connected to the two side housing plates respectively.

8. The double-layered board connector structure according to any one of claims 5 to 7, wherein The second circuit board is provided with a second clasp on each side, and the second circuit board is arranged in the shell and adjacent to the second shell plate with the second clasp corresponding to the sliding block.

9. The dual-in-line circuit board connector structure of claim 1, wherein, The first molding module is overmolded on the first circuit board and has a first embedding groove and is embedded at the rear end of the first circuit board to expose the front end of each first lead element and the first circuit board.

10. The dual-in-line circuit board connector structure of claim 9, wherein, Each first lead element and the first circuit board, and each second lead element and the second circuit board are respectively provided with a first insulating layer and a second insulating layer.

11. The dual-in-line circuit board connector structure of claim 1, wherein, The first molding module is provided with one or more first buckling parts, and the second molding module is provided with one or more corresponding second buckling parts, and the second molding module is positioned and fixed to the first buckling part with the second buckling part and clamps the shielding member.

12. The double-layered board connector structure according to claim 1 or 11, wherein The first molding module has a first recess, and the second molding module has a second recess, and the first recess and the second recess are opposite and clamp the rear edge of the shielding member.

Images