board connector

Abstract

This utility model discloses a board-end connector, including a housing, multiple sets of electrical terminal groups, and a shielding assembly. The front end of the housing includes a forward-opening sleeve portion, and the rear end of the housing includes a rear end portion connected to the sleeve portion. Multiple sets of insertion ports are provided within the sleeve portion, and multiple fixing cavities are opened in the rear end portion. One end of each electrical terminal group is inserted into a corresponding insertion port, and the other end of each electrical terminal is disposed in a corresponding fixing cavity. A partition assembly is provided on the inner wall of the sleeve portion, and the shielding assembly is embedded in the partition assembly, dividing the sleeve portion into several independent shielding cavities. Each insertion port is disposed in a corresponding shielding cavity. This utility model achieves efficient shielding against external electromagnetic interference and internal signal crosstalk, while improving the reliability of connector installation and connection, meeting the high-performance requirements of electronic equipment for connectors.

Description

Technical Field

[0001] This utility model relates to the field of connectors, and in particular to a board-end connector with efficient shielding and reliable connection functions. Background Technology

[0002] With the continuous development of electronic devices, the performance requirements for board-end connectors are becoming increasingly stringent. In existing technologies, board-end connectors are susceptible to external electromagnetic interference during signal transmission, affecting the stability and accuracy of signal transmission. Furthermore, mutual interference may exist between multiple terminal blocks. In addition, the structural design of traditional board-end connectors has certain deficiencies in installation and fixation, leading to loosening of the connector during use and affecting connection reliability. Therefore, there is an urgent need for a board-end connector that can effectively shield against interference and improve connection stability. Utility Model Content

[0003] Based on this, the purpose of this utility model is to provide a board-end connector that, through optimized structural design, achieves efficient shielding against external electromagnetic interference and internal signal crosstalk, while improving the reliability of connector installation and connection, and meeting the high-performance requirements of electronic devices for connectors.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A board-end connector includes a housing, multiple sets of electrical terminal groups, and a shielding assembly. The housing includes a front end and a rear end. The front end includes a forward-opening sleeve portion, which is provided with multiple sets of insertion ports. The rear end has multiple fixing cavities. One end of each electrical terminal group is inserted into the corresponding insertion port, and the other end of each electrical terminal is disposed in the corresponding fixing cavity.

[0006] The inner wall of the sleeve is provided with a partition component, and the shielding component is embedded in the partition component and divides the sleeve into several independent shielding cavities. Each of the plug-in ports is respectively disposed in the corresponding shielding cavity.

[0007] Furthermore, the separating component includes a set of horizontal separating slots and multiple sets of vertical separating slots arranged in a crisscross pattern, and the shielding component includes a set of shielding horizontal plates and multiple sets of shielding vertical plates. The shielding horizontal plates are horizontally embedded in the corresponding horizontal separating slots, and each of the shielding vertical plates is vertically embedded in the corresponding vertical separating slots. The shielding horizontal plates and shielding vertical plates form a grid-like shielding layer through a mutually perpendicular snap-fit ​​structure. The grid-like shielding layer divides the sleeve into several independent shielding cavities, and each of the plug-in ports is respectively disposed in the corresponding shielding cavity.

[0008] Furthermore, the sleeve portion includes a left side wall, a right side wall, a rear side wall, a top wall, and a bottom wall. The transverse dividing groove is transversely arranged around the inner side wall of the sleeve portion, and each of the vertical dividing grooves is longitudinally arranged on the rear side wall of the sleeve portion and extends to the rear end. Both the vertical dividing groove and the fixing cavity extend to the bottom of the housing.

[0009] Furthermore, the left and right inner sidewalls of the sleeve are symmetrically provided with mounting recesses, the mounting recesses including an upper limit arm, a lower limit arm, and a U-shaped groove formed between the upper limit arm and the lower limit arm;

[0010] Each of the multiple sets of shielding vertical plates includes a first plug-in end and a first shielding end. Each first plug-in end is correspondingly embedded in the vertical partition groove. The first shielding end has a snap-fit ​​groove adapted to the shielding horizontal plate. The first shielding ends of the shielding vertical plates located on the left and right sides of the multiple sets of shielding vertical plates are accommodated in the U-shaped groove.

[0011] The shielding horizontal plate includes a second plug-in end and a second shielding end. The second plug-in end is embedded in the horizontal partition groove, and the second shielding end is inserted laterally into the snap-fit ​​groove of each of the shielding vertical plates by interference fit.

[0012] Furthermore, the board-end connector also includes a fixing plate, which is provided with a buckle and terminal through holes. A corresponding slot is provided at the lower end of the rear end. The buckle is engaged in the slot so that the fixing plate is installed at the lower end of the rear end, and the lower surface of the fixing plate is coplanar with the bottom surface of the housing.

[0013] Furthermore, the lower end of the first plug-in terminal is provided with multiple fixing feet, which pass through the bottom of the housing and the fixing plate and expose the welding part; the rear side wall of the sleeve is provided with a terminal insertion hole, and each of the electrical terminal groups includes several inverted L-shaped electrical terminals. Each electrical terminal includes a horizontal end and a vertical end. The horizontal end of the electrical terminal is inserted into the plug-in port through the terminal insertion hole, and the vertical end of the electrical terminal is embedded in the fixing cavity and passes through the terminal through hole on the fixing plate to form a connection part.

[0014] Furthermore, the board-end connector also includes an anti-misinsertion positioning structure, which includes at least one set of first positioning keys, at least one set of first positioning grooves, at least one set of second positioning keys, and at least one set of second positioning grooves. The first positioning keys and first positioning grooves extend axially along the sleeve portion and are disposed on the inner wall of the sleeve portion. The second positioning keys extend axially along the insertion port and are disposed on the inner wall of the insertion port. The second positioning grooves are formed on the front end face of the insertion port.

[0015] Furthermore, the board-end connector also includes a plug locking structure, which is a locking protrusion disposed on the inner top wall of the sleeve portion, or the locking structure is a locking opening opened on the top wall of the sleeve portion.

[0016] Furthermore, the sleeve portion is provided with plug-in ports arranged in a 2×2 or 2×3 matrix.

[0017] Furthermore, the front end has a convex cross-section, and the lower surface of the housing is provided with several fixing pins.

[0018] The beneficial effects of this utility model are:

[0019] 1. High-efficiency shielding: The mesh-like shielding layer formed by the separator and shielding components divides the sleeve into multiple independent shielding cavities. Each plug-in port is located in an independent shielding cavity, which can effectively shield external electromagnetic interference and internal signal crosstalk, improving the stability and accuracy of signal transmission.

[0020] 2. Stable Structure: The mounting plate and rear end are installed using snap-fit ​​and slot-fitting mechanisms, and the shielding vertical plate's fixing feet are soldered to the circuit board, making the entire connector structure more stable and less prone to loosening. Additionally, the fixing pins on the lower surface of the housing facilitate connector installation and fixation.

[0021] 3. Anti-misinsertion and locking: The anti-misinsertion positioning structure can effectively prevent the plug from being misinserted, improving the safety of use; the plug locking structure can firmly lock the plug, further improving the reliability of the connection.

[0022] 4. Flexible layout: The internal insertion ports of the sleeve are arranged in a 2×2 or 2×3 matrix, which can be flexibly selected according to actual needs to meet the connection requirements of different electronic devices. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the board-end connector in one embodiment of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the board-end connector from another perspective;

[0025] Figure 3 for Figure 1 An exploded view of the board-end connector;

[0026] Figure 4 for Figure 1 An exploded view of the board-end connector from another perspective;

[0027] Figure 5 for Figure 1 A cross-sectional view of the board-end connector;

[0028] Figure 6 for Figure 1 A structural diagram of the housing in the board-end connector;

[0029] Figure 7 for Figure 1 A structural schematic diagram of the housing in the board-end connector from another perspective;

[0030] Figure 8 for Figure 1 A cross-sectional view of the housing in the board-end connector;

[0031] Figure 9 for Figure 1 A structural diagram of the shielding vertical plate in the board-end connector;

[0032] Figure 10 for Figure 1 The structural diagram of the shielding cross plate in the board-end connector;

[0033] Figure 11 This is a structural diagram of the board-end connector in another embodiment of the present invention;

[0034] Figure label:

[0035] 1-Shell;

[0036] 10-Front end; 11-Sleeve part; 111-Left side wall; 112-Right side wall; 113-Rear side wall; 114-Top wall; 115-Bottom wall; 116-Terminal socket; 12-Separator assembly; 121-Horizontal separator groove; 122-Vertical separator groove; 13-Mounting recess; 131-Upper limit arm; 132-Lower limit arm; 133-U-shaped groove; 14-Plug port; 15-Plug locking structure; 16-Fixing pin;

[0037] 20 - Rear end; 21 - Fixing cavity;

[0038] 30-Shielding assembly; 31-Shielding vertical plate; 311-First plug-in end; 312-First shielding end; 313-Snap-in groove; 314-Fixing foot; 32-Shielding horizontal plate; 321-Second plug-in end; 322-Second shielding end; 33-Shielding cavity; 40-Anti-misinsertion positioning structure; 41-First positioning key; 42-First positioning groove; 43-Second positioning key; 44-Second positioning groove;

[0039] 50 - Electrical terminal block; 51 - Horizontal end; 52 - Vertical end;

[0040] 60 - Fixing plate; 61 - Buckle; 62 - Terminal through hole. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0042] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0043] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] Please see Figure 1-9 As shown, one embodiment of this utility model provides a board-end connector, including a housing 1, multiple sets of electrical terminal groups 50, and a shielding assembly 30. The housing 1 is made of insulating material and includes a front end 10 and a rear end 20. The front end 10 includes a forward-opening sleeve portion 11, and the rear end 20 has multiple fixing cavities 21. Multiple sets of insertion ports 14 are provided in the sleeve portion 11. One end of each electrical terminal group 50 is inserted into the insertion port 14, and the other end of each electrical terminal is disposed in the corresponding fixing cavity 21. A partition assembly 12 is provided on the inner wall of the sleeve portion 11. The shielding assembly 30 is embedded in the partition assembly 12 and divides the sleeve portion 11 into several independent shielding cavities 33. Each insertion port 14 is respectively disposed in the shielding cavity 33. The board-end connector also includes a fixing plate 60, which is provided with a buckle 61 and a terminal through hole 62. The lower end of the rear end 20 is provided with a corresponding slot. The buckle 61 is engaged in the slot so that the fixing plate 60 is installed at the lower end of the rear end 20, and the lower surface of the fixing plate 60 is coplanar with the bottom surface of the housing 1.

[0045] Specifically, in this embodiment, a board-end connector with plug ports 14 arranged in a 2×3 matrix is ​​provided, including a housing 1, six sets of electrical terminal groups 50, and a shielding assembly 30. The front end 10 of the housing 1 includes a forward-opening U-shaped sleeve portion 11, which includes a left side wall 111, a right side wall 112, a rear side wall 113, a top wall 114, and a bottom wall 115. The left side wall 111, right side wall 112, rear side wall 113, top wall 114, and bottom wall 115 together form a sleeve portion 11 with a receiving function. Two fixing pins 16 are also provided on the lower surface of the housing 1 to facilitate the installation and fixing of the housing 1.

[0046] Please see Figure 1-5 As shown, in this embodiment, the sleeve portion 11 is provided with six sets of plug-in ports 14 arranged in a 2×3 matrix, and the rear end portion 20 is provided with three fixing cavities 21. The positions of the fixing cavities 21 correspond to the array of six sets of plug-in ports 14, so that one end of each electrical terminal group 50 is inserted into the corresponding plug-in port 14, and the other end is provided in the corresponding fixing cavity 21. Specifically, the rear side wall 113 of the sleeve portion 11 is provided with terminal insertion holes 116 at the positions corresponding to the plug-in ports 14. Each electrical terminal group 50 includes two inverted L-shaped electrical terminals, each electrical terminal including a horizontal end 51 and a vertical end 52. The horizontal end 51 is inserted into the plug-in port 14 through the terminal insertion hole 116, and the vertical end 52 is embedded in the fixing cavity 21 and passes through the terminal through hole 62 on the fixing plate 60 to form a connection part for connection with the circuit board. During assembly, the horizontal and vertical ends 52 of the power connection terminals are inserted from the rear end 20 of the housing 1 through the terminal insertion hole 116 and the terminal through hole 62 and installed in the fixing cavity 21.

[0047] Please see Figure 6-8 As shown, in this embodiment, a partition component 12 is provided on the inner wall of the sleeve portion 11, and a shielding component 30 is embedded in the partition component 12, dividing the sleeve portion 11 into several independent shielding cavities 33. Specifically, in this embodiment, the partition component 12 includes a set of horizontal partition grooves and four sets of vertical partition grooves arranged in a crisscross pattern, and the shielding component 30 includes a set of shielding horizontal plates 32 and four sets of shielding vertical plates 31. The shielding horizontal plates 32 are horizontally embedded in the corresponding horizontal partition grooves, and each shielding vertical plate 31 is vertically embedded in the corresponding vertical partition groove. The shielding horizontal plates 32 and the shielding vertical plates 31 form a grid-like shielding layer through a mutually perpendicular snap-fit ​​structure, dividing the sleeve portion 11 into six sets of independent shielding cavities 33 arranged in a 2×3 matrix. The six sets of insertion ports 14 are respectively disposed in the corresponding shielding cavities 33.

[0048] Please see Figure 6-10As shown, in this embodiment, the horizontal partition groove 121 is arranged horizontally around the inner sidewall of the sleeve portion 11, specifically arranged circumferentially on the left and right sidewalls 112 and the rear sidewall 113. The four sets of vertical partition grooves 122 are arranged longitudinally on the rear sidewall 113 of the sleeve portion 11 and extend to the rear end 20. The vertical partition grooves 122 and the fixing cavity 21 both extend to the bottom of the housing 1.

[0049] The sleeve portion 11 has symmetrically arranged mounting recesses 13 on its left and right inner sidewalls. Each mounting recess 13 includes an upper limit arm 131, a lower limit arm 132, and a U-shaped groove 133 formed between the upper limit arm 131 and the lower limit arm 132. Each of the four sets of shielding vertical plates 31 includes a first insertion end 311 and a first shielding end 312. Each first insertion end 311 is correspondingly embedded in a vertical dividing groove. The first shielding end 312 has a snap-fit ​​groove 313 adapted to the shielding horizontal plate 32. The first shielding ends 312 of the two sets of shielding vertical plates 31 located at the left and right edges are correspondingly accommodated in the U-shaped groove 133. The shielding horizontal plate 32 includes a second insertion end 321 and a second shielding end 322. The second insertion end 321 is embedded in a horizontal dividing groove, and the second shielding end 322 is horizontally inserted into the snap-fit ​​groove 313 of each shielding vertical plate 31 through an interference fit. The lower end of the first plug-in terminal 311 is provided with three fixing feet 314 arranged in parallel. One of the three fixing feet 314 passes through the bottom of the housing 1, and the other two pass through the fixing plate 60, and expose the soldering part, so as to facilitate soldering and fixing with the circuit board.

[0050] During assembly, four sets of shielding vertical plates 31 are inserted into the vertical partition groove 122 from the rear end 20 of the housing 1, and then the shielding horizontal plates 32 are installed into the horizontal partition groove from the front end 10 of the housing 1.

[0051] In addition, please see Figure 1-10 As shown, in this embodiment, the board-end connector further includes an anti-misinsertion positioning structure 40 and a plug locking structure 15. The anti-misinsertion positioning structure 40 includes a first positioning key 41, a first positioning groove 42, a second positioning key 43, and a second positioning groove 44. The first positioning key 41 and the first positioning groove 42 extend axially along the sleeve portion 11 and are disposed on the inner sidewall of the sleeve portion 11. The second positioning key 43 extends axially along the insertion port 14 and is disposed on the inner sidewall of the insertion port 14. The second positioning groove 44 is formed at the front end face of the insertion port 14, effectively preventing misinsertion of the plug.

[0052] The plug locking structure 15 is a locking protrusion located on the inner top wall 114 of the sleeve portion 11, used to lock the plug and improve the stability of the connection. The sleeve portion 11 is provided with plug ports 14 arranged in a 2×3 matrix to meet different connection requirements.

[0053] Please see Figure 11As shown, another embodiment of this utility model provides a board-end connector with the insertion ports 14 arranged in a 2×2 matrix. Its structure is basically the same as the previous embodiment, also including a housing 1, a power terminal group 50, a shielding assembly 30, an anti-misinsertion positioning structure 40, a plug locking structure 15, and a fixing plate 60. The difference lies in:

[0054] There are four sets of socketed electrical terminal blocks (50).

[0055] The partition component 12 includes a set of horizontal partition slots and three sets of vertical partition slots arranged in a crisscross pattern. The shielding component 30 includes a set of shielding horizontal plates 32 and three sets of shielding vertical plates 31. The shielding horizontal plates 32 are horizontally embedded in the corresponding horizontal partition slots, and each shielding vertical plate 31 is vertically embedded in the corresponding vertical partition slot. The shielding horizontal plates 32 and the shielding vertical plates 31 form a grid-like shielding layer through a mutually perpendicular snap-fit ​​structure, which divides the sleeve part 11 into four independent shielding cavities 33. The four sets of plug-in ports 14 are respectively set in the corresponding shielding cavities 33.

[0056] The plug locking structure 15 is a locking opening provided on the top wall 114 of the sleeve portion 11, used to lock the plug and improve the stability of the connection;

[0057] The sleeve portion 11 is provided with plug-in ports 14 arranged in a 2×2 matrix to meet different connection requirements.

[0058] The above description merely illustrates the preferred technical solution of this utility model, and while the description is relatively specific and detailed, it should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. A board-to-board connector characterized by comprising: The device includes a housing, multiple sets of electrical terminal groups, and a shielding assembly. The housing includes a front end and a rear end. The front end includes a sleeve portion that opens forward. The rear end has multiple fixed cavities. The sleeve portion is provided with multiple sets of plug-in ports. One end of each electrical terminal group is inserted into the corresponding plug-in port, and the other end of each electrical terminal is disposed in the corresponding fixed cavity. The inner wall of the sleeve is provided with a partition component, and the shielding component is embedded in the partition component and divides the sleeve into several independent shielding cavities. Each of the plug-in ports is respectively disposed in the corresponding shielding cavity.

2. The board-to-board connector according to claim 1, characterized by: The separating component includes a set of horizontal separating slots and multiple sets of vertical separating slots arranged in a crisscross pattern. The shielding component includes a set of shielding horizontal plates and multiple sets of shielding vertical plates. The shielding horizontal plates are horizontally embedded in the corresponding horizontal separating slots, and each of the shielding vertical plates is vertically embedded in the corresponding vertical separating slots. The shielding horizontal plates and shielding vertical plates form a grid-like shielding layer through a mutually perpendicular snap-fit ​​structure. The grid-like shielding layer divides the sleeve into several independent shielding cavities, and each of the plug-in ports is respectively disposed in the corresponding shielding cavity.

3. The board-to-board connector according to claim 2, characterized by: The sleeve portion includes a left side wall, a right side wall, a rear side wall, a top wall, and a bottom wall. The horizontal dividing groove is arranged horizontally around the inner side wall of the sleeve portion, and each of the vertical dividing grooves is arranged longitudinally on the rear side wall of the sleeve portion and extends to the rear end. Both the vertical dividing grooves and the fixing cavity extend to the bottom of the housing.

4. The board-to-board connector according to claim 3, characterized by: The left and right inner sidewalls of the sleeve are symmetrically provided with mounting recesses, and the mounting recesses include an upper limit arm, a lower limit arm, and a U-shaped groove formed between the upper limit arm and the lower limit arm; Each of the multiple sets of shielding vertical plates includes a first plug-in end and a first shielding end. Each first plug-in end is correspondingly embedded in the vertical partition groove. The first shielding end has a snap-fit ​​groove adapted to the shielding horizontal plate. The first shielding ends of the shielding vertical plates located on the left and right sides of the multiple sets of shielding vertical plates are accommodated in the U-shaped groove. The shielding horizontal plate includes a second plug-in end and a second shielding end. The second plug-in end is embedded in the horizontal partition groove, and the second shielding end is inserted laterally into the snap-fit ​​groove of each of the shielding vertical plates by interference fit.

5. The board-to-board connector according to claim 4, characterized by: The board-end connector also has a fixing plate, which is provided with a buckle and terminal through holes. The lower end of the rear end is provided with a corresponding slot. The buckle is engaged in the slot so that the fixing plate is installed at the lower end of the rear end, and the lower surface of the fixing plate is coplanar with the bottom surface of the housing.

6. The board-end connector according to claim 5, characterized in that: The lower end of the first plug-in terminal is provided with multiple fixing feet, which pass through the bottom of the housing and the fixing plate and expose the welding part; the rear side wall of the sleeve is provided with a terminal insertion hole, and each of the electrical terminal groups includes several inverted L-shaped electrical terminals. Each electrical terminal includes a horizontal end and a vertical end. The horizontal end of the electrical terminal is inserted into the plug-in port through the terminal insertion hole, and the vertical end of the electrical terminal is embedded in the fixing cavity and passes through the terminal through hole on the fixing plate to form a connection part.

7. The board-to-board connector according to claim 1, characterized by: The board-end connector further includes an anti-misinsertion positioning structure, which includes at least one set of first positioning keys, at least one set of first positioning grooves, at least one set of second positioning keys, and at least one set of second positioning grooves. The first positioning keys and first positioning grooves extend axially along the sleeve portion and are disposed on the inner wall of the sleeve portion. The second positioning keys extend axially along the insertion port and are disposed on the inner wall of the insertion port. The second positioning grooves are formed on the front end face of the insertion port.

8. The board-to-board connector according to claim 1, characterized by: The board-end connector also includes a plug locking structure, which is a locking protrusion provided on the inner top wall of the sleeve portion, or the locking structure is a locking opening opened on the top wall of the sleeve portion.

9. The board-to-board connector according to Claim 1, characterized by: The sleeve section is provided with plug-in ports arranged in a 2×2 or 2×3 matrix.

10. The board-to-board connector according to Claim 1, characterized by: The front end has a convex cross-section, and the lower surface of the housing is provided with several fixing pins.

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