CN214227279U

CN214227279U - Shielded board-to-board plug, shielded board-to-board socket and shielded board-to-board connector assembly

Info

Publication number: CN214227279U
Application number: CN202022676158.4U
Authority: CN
Inventors: 张典伟
Original assignee: Dongguan Xunkai Electronic Technology Co ltd
Current assignee: Dongguan Xunkai Electronic Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-09-17
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a board to board connector technical field, concretely relates to shielding formula board is to board connector, shielding formula board is to board socket and shielding formula board to board connector assembly, shielding formula board is to board connector assembly including the shielding formula board that engages to board plug and shielding formula board to board socket, shielding formula board is to the lock boss lock of board socket in the first lock recess of shielding formula board to board plug, first shielding part and second shielding part looks lock joint, first terminal and second terminal electric connection, can be with the electromagnetic interference of outside production through the conduction of first shielding part and second shielding part, leading-in to printed circuit board, thereby form good electromagnetic shield effect, ensure the board to the stable signal transmission between board plug to board socket and board.

Description

Shielded board-to-board plug, shielded board-to-board socket and shielded board-to-board connector assembly

Technical Field

The utility model relates to a board is to board connector technical field, concretely relates to shielding formula board to board plug, shielding formula board to board socket and shielding formula board to board connector assembly.

Background

The board-to-board connector is applied to the field of mobile phones, and is used for multi-line communication between mainboard components and is used for communication between a mainboard and a camera, a touch screen, a display screen and a Home key at first. With the increasing functions of electronic products, board-to-board connectors are beginning to transmit some high-frequency and high-speed signals, so that electromagnetic interference is inevitably generated. Most of the existing board-to-board connectors adopt open design, current transmission is not shielded, the capacity of resisting external electromagnetic interference is weak, and the accuracy of signal transmission is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art existence, the utility model aims at providing a shielding formula board is to board plug, shielding formula board to board socket and shielding formula board to board connector assembly, through set up first shielding piece, second shielding piece on board to board plug and board to board socket respectively to the board plug, socket and the connector assembly anti external electromagnetic interference's of board of solving current high frequency, high-speed transmission the problem that the ability is more weak, signal transmission's accuracy is low.

The purpose of the utility model can be realized through the following technical scheme: the utility model provides a shielded plate is to board plug, the shielded plate includes first insulator to board plug, set up a plurality of first terminal and first shield on first insulator, first insulator's surface is equipped with first lock recess, upwards the protrusion forms first cell wall around the first lock recess, the even range in first terminal interval is on first cell wall, the peripheral symmetry of first cell wall is provided with two first shields, first shield is including cladding in first cell wall outlying first base member, the both ends of first base member are all bent and are equipped with first extension, first extension extends to the tip along first insulator both sides edge.

Preferably, the end of the first extending portion is bent to form a second extending portion, the second extending portion covers the end face of the first insulating body, the end of the second extending portion is bent to form a first fixing portion, and the first fixing portion is embedded in the first insulating body.

Preferably, the bottom edge of the first extension portion is provided with a first welding portion bent and extended outwards, and the first welding portion is electrically connected with the printed circuit board where the shielded board-to-board plug is located.

Preferably, the inner side surface of the first extension part is provided with a clamping groove.

The utility model also provides a shielding type board-to-board socket, the shielding type board-to-board socket comprises a second insulating body, a plurality of second terminals and a second shielding piece which are arranged on the second insulating body, a second buckling groove is arranged on the second insulating body, two sides of the second buckling groove are upwards protruded to form a second groove wall, a buckling boss is arranged in the middle of the second buckling groove, uniformly arranged second terminals are arranged between the buckling boss and the second groove wall in a spanning manner, two second shielding pieces are symmetrically arranged on the outer side surface of the second groove wall, the second shielding piece comprises a second base body which is coated on the outer side surface of the second groove wall, third extending parts which are bent and extended are symmetrically arranged at two ends of the second base body, the third extending parts are coated on the end surface of the second groove wall, the end of the third extending parts is bent and provided with a second fixing part, the second fixing part is embedded in the second insulating body, the buckling boss can be buckled in the first buckling groove of the shielding type board-to-board plug, the second shielding part can be buckled with the first shielding part on the shielding type plate-to-plate plug, and the second terminal can be electrically connected with the first terminal on the shielding type plate-to-plate plug.

Preferably, the upper edges of the two end portions of the second base body are symmetrically provided with fourth extending portions which are bent and extended, and the fourth extending portions are wrapped on the upper surface of the second groove wall.

Preferably, the end of the fourth extending portion is bent to form a third fixing portion, and the third fixing portion is embedded in the second insulating body.

Preferably, the bottom edge of the second base body is symmetrically provided with second welding parts bent and extended outwards, and the second welding parts are electrically connected with the printed circuit board where the shielded board is located.

Preferably, the outer side surface of the second base body is symmetrically provided with clamping convex parts.

The utility model also provides a shielded plate is to board connector assembly, including the shielded plate that engages to the board plug and shielded plate to the board socket, the shielded plate is to the lock boss lock of board socket in the shielded plate is to the first lock recess of board plug, first shielding part and second shielding part looks lock joint, first terminal and second terminal electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: through set up first shielding piece respectively on board to board plug and board to the board socket, the second shielding piece, when needs transmission high frequency, high-speed signal, the shielded type board is to board plug and socket looks lock joint, first shielding piece and second shielding piece looks lock joint simultaneously, can pass through the conduction effect of first shielding piece and second shielding piece with the electromagnetic interference of outside production, leading-in to printed circuit board, thereby form good electromagnetic shield effect, ensure the board to the stable signal transmission between board socket and board to the board plug.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of a shielded board-to-board plug according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first shielding member in a shielded board-to-board plug according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a shielded board-to-board socket according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second shielding element in a shielded board-to-board socket according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a connection-shielded board-to-board connector assembly according to an embodiment of the present invention.

Fig. 6 is a cross-sectional structure diagram of a shielded board-to-board connector assembly according to an embodiment of the present invention.

The reference numbers shown in the figures denote: 1. a first insulating body; 2. a first shield; 3. a second insulating body; 4. a second shield; 5. a first snap groove; 6. a first terminal; 7. buckling the lug bosses; 8. a second terminal; 9. a first slot wall; 10. a second slot wall; 11. a second fastening groove; 21. a first substrate; 22. a first extension portion; 23. a first weld; 24. a second extension portion; 25. a first fixed part; 26. clamping the groove; 41. a second substrate; 42. a second weld; 43. a third extension portion; 44. a second fixed part; 45. a fourth extension portion; 46. a third fixed part; 47. and clamping the convex part.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The technical solution of the present invention will be described clearly and completely with reference to the following specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the present invention provides a shielded board-to-board plug, which comprises a first insulating body 1, a plurality of first terminals 6 and first shielding members 2 disposed on the first insulating body 1, wherein a first fastening groove 5 abutting against a socket is disposed on a surface of the first insulating body 1, a first groove wall 9 is formed by upward protruding around the first fastening groove 5, the first terminals 6 are uniformly arranged on the first groove wall 9 at intervals, two first shielding members 2 are symmetrically disposed on a periphery of the first groove wall 9, each first shielding member 2 comprises a first base 21 covering a periphery of the first groove wall 9, two ends of the first base 21 are respectively bent to form first extending portions 22, the first extending portions 22 extend to end portions along two side edges of the first insulating body 1, the whole shielding effect of the board-to-board plug is realized through the first shielding part 2, and the electromagnetic interference generated outside is prevented.

As shown in fig. 2, the end of the first extending portion 22 is bent to form a second extending portion 24, the second extending portion 24 covers the end surface of the first insulating body 1, the end of the second extending portion 24 is bent to form a first fixing portion 25, the first fixing portion 25 is embedded in the first insulating body 1, and the second extending portion 24 and the first fixing portion 25 are embedded in the first insulating body 1, so that the first shielding member 2 is more stable.

As shown in fig. 2, a first soldering portion 23 is formed at the bottom edge of the first extending portion 22 and is bent outward, and the first soldering portion 23 is electrically connected to the printed circuit board on which the shielded board-to-board plug is located.

As shown in fig. 2, the inner side surface of the first extension portion 22 is provided with a clamping groove 26, and specifically, the clamping groove 26 is a hemispherical concave surface.

As shown in fig. 3 and 4, the present invention further provides a shielded board-to-board socket, which comprises a second insulating body 3, a plurality of second terminals 8 and second shielding members 4 disposed on the second insulating body 3, wherein a second fastening groove 11 is disposed on the second insulating body 3 for abutting the shielded board-to-board plug, two sides of the second fastening groove 11 protrude upward to form a second slot wall 10, a fastening boss 7 is disposed in the middle of the second fastening groove 11, the second terminals 8 are uniformly arranged between the fastening boss 7 and the second slot wall 10, two second shielding members 4 are symmetrically disposed on the outer side surface of the second slot wall 10, the second shielding members 4 comprise a second base 41 covering the outer side surface of the second slot wall 10, third extending portions 43 extending in a bending manner are symmetrically disposed at two ends of the second base 41, the third extending portions 43 cover the end surface of the second slot wall 10, the end of third extension 43 is bent and is equipped with second fixed part 44, second fixed part 44 imbeds in second insulator 3, but lock boss 7 lock in the first lock recess 5 of shielding formula board to the board plug, second shielding part 4 can with shielding formula board to the first shielding part 2 lock joint on the board plug, second terminal 8 can with shielding formula board to the first terminal 6 electric connection on the board plug, realize the board through second shielding part 4 to the whole shielding effect of board to the board socket, prevent the outside electromagnetic interference who produces.

As shown in fig. 4, the upper edges of the two end portions of the second base 41 are symmetrically provided with fourth extending portions 45 extending in a bending manner, the fourth extending portions 45 are wrapped on the upper surface of the second slot wall 10, and the fourth extending portions 45 are arranged to protect the upper surface of the second slot wall 10 and prevent the surface from being worn when the board-to-board plug is plugged.

As shown in fig. 4, the end of the fourth extending portion 45 is bent to form a third fixing portion 46, the third fixing portion 46 is embedded in the second insulating housing 3, and the second shielding element 4 is further fixed and stabilized by the third fixing portion 46.

As shown in fig. 4, the bottom edge of the second substrate 41 is symmetrically provided with second soldering portions 42 bent and extended outward, and the second soldering portions 42 are electrically connected to the printed circuit board where the shielded board-to-board socket is located.

As shown in fig. 4, the outer side surface of the second base 41 is symmetrically provided with a clamping protrusion 47, specifically, the clamping protrusion 47 is semi-spherical and is conveniently fastened to the clamping groove 26.

As shown in fig. 6, the utility model provides a shielding formula board is to board connector assembly still, including the shielding formula board that engages to the board plug and shielding formula board to the board socket, the shielding formula board is to the board socket in the shielding formula board to the first lock recess 5 of board plug, first shielding part 2 and second shielding part 4 looks lock joint, first terminal 6 and 8 electric connection of second terminal, through the lock recess 26 on the first shielding part 2 and the 47 looks lock joints of the joint convex part on the second shielding part 4, make the buckling structure between the two more reliable, the lock power is stronger.

During specific use, weld two printed circuit board respectively with the shielding formula board to the board plug and the shielding formula board to the board socket on, then with the shielding formula board to the board plug with the shielding formula board to the board socket looks lock, first terminal 6 is used for transmitting the high frequency with 8 electric connection of second terminal, high-speed signal, joint recess 26 on the first shielding part 2 and the joint convex part 47 looks lock joint on the second shielding part 4 simultaneously, can pass through the conduction effect of first shielding part 2 and second shielding part 4 with the electromagnetic interference that the outside produced, leading-in to in the printed circuit board, thereby form good electromagnetic shield effect, ensure board to the stable signal transmission between board socket and board to the board plug.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. A shielded board-to-board plug, comprising: the shielded plate-to-plate plug comprises a first insulating body (1), a plurality of first terminals (6) arranged on the first insulating body (1) and a first shielding piece (2), the surface of the first insulating body (1) is provided with a first buckling groove (5), the periphery of the first buckling groove (5) is upwards protruded to form a first groove wall (9), the first terminals (6) are uniformly arranged on the first groove wall (9) at intervals, two first shielding parts (2) are symmetrically arranged on the periphery of the first groove wall (9), the first shielding piece (2) comprises a first base body (21) which covers the periphery of the first groove wall (9), two ends of the first base body (21) are respectively provided with a first extending part (22) in a bending way, the first extending part (22) extends to the end part along the two side edges of the first insulating body (1).

2. A shielded board-to-board plug as claimed in claim 1, wherein: the tail end of the first extending portion (22) is provided with a second extending portion (24) in a bent mode, the second extending portion (24) covers the end face of the first insulating body (1), the tail end of the second extending portion (24) is provided with a first fixing portion (25) in a bent mode, and the first fixing portion (25) is embedded into the first insulating body (1).

3. A shielded board-to-board plug as claimed in claim 2, wherein: the bottom edge of the first extension part (22) is provided with a first welding part (23) which is bent and extended towards the outer side, and the first welding part (23) is electrically connected with a printed circuit board where the shielding type board-to-board plug is located.

4. A shielded board-to-board plug as claimed in claim 3, wherein: the inner side surface of the first extension part (22) is provided with a clamping groove (26).

5. A shielded board-to-board socket, characterized in that: the shielding type board-to-board socket comprises a second insulating body (3), a plurality of second terminals (8) and second shielding parts (4), wherein the second terminals (8) and the second shielding parts (4) are arranged on the second insulating body (3), second buckling grooves (11) are formed in the second insulating body (3), two sides of each second buckling groove (11) protrude upwards to form a second groove wall (10), a buckling boss (7) is arranged in the middle of each second buckling groove (11), the second terminals (8) which are uniformly arranged are spanned between the buckling bosses (7) and the second groove walls (10), two second shielding parts (4) are symmetrically arranged on the outer side surfaces of the second groove walls (10), each second shielding part (4) comprises a second base body (41) coated on the outer side surface of the corresponding second groove wall (10), third extending parts (43) which extend in a bending mode are symmetrically arranged at two ends of each second base body (41), the third extending portion (43) covers the end face of the second groove wall (10), the end of the third extending portion (43) is bent to form a second fixing portion (44), the second fixing portion (44) is embedded into the second insulating body (3), the fastening boss (7) can be fastened in the first fastening groove (5) of the shielded board-to-board plug according to any one of claims 1 to 4, the second shielding member (4) can be fastened to the first shielding member (2) of the shielded board-to-board plug according to any one of claims 1 to 4, and the second terminal (8) can be electrically connected to the first terminal (6) of the shielded board-to-board plug according to any one of claims 1 to 4.

6. A shielded board-to-board socket as claimed in claim 5, wherein: the upper edges of two end parts of the second base body (41) are symmetrically provided with fourth extending parts (45) which are bent and extended, and the fourth extending parts (45) are coated on the upper surface of the second groove wall (10).

7. A shielded board-to-board socket as claimed in claim 6, wherein: the tail end of the fourth extending portion (45) is provided with a third fixing portion (46) in a bent mode, and the third fixing portion (46) is embedded into the second insulating body (3).

8. A shielded board-to-board socket as claimed in claim 6, wherein: the bottom edge of the second base body (41) is symmetrically provided with second welding parts (42) which are bent and extended outwards, and the second welding parts (42) are electrically connected with a printed circuit board where the shielding type board is located on the board socket.

9. A shielded board-to-board socket as claimed in claim 8, wherein: clamping convex parts (47) are symmetrically arranged on the outer side surface of the second base body (41).

10. A shielded board-to-board connector assembly comprising a mating header and receptacle, characterized in that: the plug is the shielded board-to-board plug of any one of claims 1 to 4, the socket is the shielded board-to-board socket of any one of claims 5 to 9, the fastening boss (7) of the shielded board-to-board socket is fastened in the first fastening groove (5) of the shielded board-to-board plug, the first shielding member (2) is fastened with the second shielding member (4), and the first terminal (6) is electrically connected with the second terminal (8).