Board-end male connector
By introducing shielding sheets and shielding terminals into the male connector at the board end, and combining the mounting structure of steps and slopes, guide grooves and guide walls, the problem of unsatisfactory shielding effect is solved, achieving effective resistance to electromagnetic interference and stable signal transmission, simplifying the installation process and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN XINHAN PRECISION IND CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-07-03
AI Technical Summary
The shielding effect of existing board-end male connectors is not ideal, and they cannot effectively resist external electromagnetic interference, affecting the stability and accuracy of signal transmission in electronic devices.
A board-end male connector comprising a housing, an alloy base, a power connection component, a shielding plate, and shielding terminals is designed. It adopts an installation structure with a step and a bevel engagement and a guide groove and a guide wall engagement, and uses the shielding plate and shielding terminals to resist electromagnetic interference and ensure signal transmission stability.
It improves the stability and accuracy of signal transmission in electronic devices, simplifies the installation and disassembly process, and reduces production costs.
Smart Images

Figure CN224458849U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector technology, and in particular to a board-end male connector. Background Technology
[0002] Connectors are components frequently encountered by electronic engineers. Their function is to bridge gaps in circuits or connect isolated circuits, allowing current to flow and enabling the circuit to perform its intended function. Connectors are indispensable components in electronic devices; following the path of current flow, you will always find one or more connectors. Connector forms and structures are highly diverse, varying depending on the application, frequency, power, and operating environment.
[0003] As a crucial component for circuit connections, the performance of board-side male connectors directly impacts the stability and reliability of electronic devices. Existing board-side male connectors suffer from inadequate shielding, failing to effectively resist external electromagnetic interference, thus affecting the stability and accuracy of signal transmission in electronic devices and consequently reducing overall device performance. Utility Model Content
[0004] Based on this, the purpose of this utility model is to provide a board-end male connector that has good shielding effect, compact structure, stable connection, and simple assembly process.
[0005] The objective of this utility model is achieved through the following technical solution:
[0006] A board-end male connector includes a housing, an alloy base, a power connection component, a shielding plate, and a shielding terminal. The housing includes a first plug portion that opens forward and a second plug portion that opens rearward, and the first plug portion and the second plug portion are interconnected.
[0007] The alloy base includes a connector and a first fixing base. The connector is disposed on one side of the first fixing base and is inserted into the second plug portion and extends towards the first plug portion. The alloy base is provided with a receiving cavity that extends from the bottom of the first fixing base to the connector. The power connection component is installed in the receiving cavity. The other side of the first fixing base is provided with a fixing groove, and the shielding sheet is disposed in the fixing groove.
[0008] The outer casing is provided with a second fixing seat, and the shielding terminal is installed on the second fixing seat.
[0009] Furthermore, the accommodating cavity is L-shaped, the fixing groove communicates with the accommodating cavity, and the open end of the second plug abuts against the outer wall of the first fixing seat.
[0010] Furthermore, a first fixing step and a second fixing step are sequentially arranged around the inner sidewall of the second plug portion, with the second fixing step located near the outlet end of the second plug portion.
[0011] The first fixed step has a first inclined surface on the side facing the outlet end of the second plug, and the second fixed step has a second inclined surface on the side facing the outlet end of the second plug.
[0012] The outer wall of the connector is provided with a first limiting step that cooperates with the first fixed step and a second limiting step that cooperates with the second fixed step. The first limiting step is provided with a third inclined surface that cooperates with the first inclined surface, and the second limiting step is provided with a fourth inclined surface that cooperates with the second inclined surface. During assembly, the connector is inserted into the second plug part, the first limiting step abuts against the first fixed step, and the third inclined surface is connected to the first inclined surface. The second limiting step abuts against the second fixed step, and the fourth inclined surface is connected to the second inclined surface.
[0013] Furthermore, a guide groove is provided on the inner sidewall of the second plug portion, the guide groove extending from the outlet end of the second plug portion to the second fixed step;
[0014] The outer wall of the connector is provided with a guide arm that mates with the guide groove. The guide arm extends from the second limiting step to the first fixing seat. During assembly, the guide arm is inserted into the guide groove.
[0015] Furthermore, the power connection assembly includes an insulating sleeve and power connection terminals. The power connection terminals are inserted into the insulating sleeve, the insulating sleeve is disposed within the accommodating cavity, and both ends of the power connection terminals extend out of the insulating sleeve.
[0016] Furthermore, the power terminal includes a first horizontal end and a first vertical end, the first horizontal end being installed inside the plug connector and the first vertical end being installed inside the first fixing base.
[0017] Furthermore, the second fixing base is mounted on the housing via a connecting block. The second fixing base includes a plug-in end and a fixing end. The plug-in end includes a forward-opening plug-in cavity. The fixing end has a terminal mounting hole opened horizontally and a terminal mounting groove opened vertically. The shielding terminal includes a second horizontal end and a second vertical end. The second horizontal end is inserted into the terminal mounting hole and extends into the plug-in cavity. The second vertical end is mounted in the terminal mounting groove.
[0018] Furthermore, the second vertical end of the shielding terminal is provided with a bent portion.
[0019] Furthermore, the lower surface of the first fixing base is provided with multiple fixing pins, and the connector and the first fixing base are integrally formed by die casting. The multiple fixing pins can be used to cooperate with the fixing base for installation and fixation, resulting in good fixing effect and convenient assembly.
[0020] Furthermore, the outer casing is also provided with a snap fastener for locking with a snap groove on the female connector.
[0021] The beneficial effects of this utility model are:
[0022] This invention, by setting up shielding sheets and shielding terminals, can effectively resist external electromagnetic interference, ensure the stability and accuracy of signal transmission in electronic equipment, and improve the overall performance of the equipment.
[0023] This utility model adopts an installation structure that combines steps and inclined surfaces, and guide grooves and guide walls, which simplifies the installation and disassembly process, improves assembly efficiency, and reduces production costs. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of the male connector at the board end of this utility model;
[0025] Figure 2 for Figure 1 Another structural diagram of the male connector at the middle plate end;
[0026] Figure 3 for Figure 1 Front view of the male connector at the middle plate end;
[0027] Figure 4 for Figure 1 Exploded view of the male connector on the center line board;
[0028] Figure 5 for Figure 3 Sectional view of AA;
[0029] Figure label:
[0030] 10-Outer shell; 11-First plug portion; 12-Second plug portion; 121-First fixing step; 122-Second fixing step; 123-Guide groove; 13-Snap fastener;
[0031] 20-Alloy base; 21-Plug in; 211-First limiting step; 212-Second limiting step; 213-Guide arm; 22-First fixing base; 23-Accommodating cavity; 24-Fixing groove; 25-Fixing pin;
[0032] 30 - Power connection assembly; 31 - Insulating sleeve; 32 - Power connection terminal; 321 - First horizontal end; 322 - First vertical end; 40 - Shielding sheet;
[0033] 50 - Shielding terminal; 51 - Second horizontal end; 52 - Second vertical end; 521 - Bending portion;
[0034] 60 - Second fixing seat; 61 - Plug-in end; 611 - Plug-in cavity; 62 - Fixing end; 621 - Terminal mounting hole; 622 - Terminal mounting slot. Detailed Implementation
[0035] 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.
[0036] 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 only for descriptive purposes and as distinguishing identifiers, and should not be construed as indicating or implying relative importance.
[0037] 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.
[0038] like Figures 1 to 5 As shown, this embodiment of the utility model provides a board-end male connector, including a housing 10, an alloy base 20, a power connection component 30, a shielding plate 40, and a shielding terminal 50. The housing 10 and the alloy base 20 are connected, the power connection component 30 and the shielding plate 40 are mounted on the alloy base 20, and the shielding terminal 50 is mounted on the housing 10. The housing 10 is also provided with a snap-fit 13 for locking with a snap-fit groove on the female connector. The cooperation between the snap-fit 13 and the snap-fit groove enables a quick and secure connection between the board-end male connector and the female connector, facilitating installation and disassembly.
[0039] In this embodiment, the outer shell 10 is a plastic shell, including a first plug portion 11 with a forward opening and a second plug portion 12 with a rearward opening. The first plug portion 11 and the second plug portion 12 are interconnected. A second fixing seat 60 is provided on the outer shell 10, and the shielding terminal 50 is installed on the second fixing seat 60.
[0040] In this embodiment, the alloy base 20 is a zinc alloy base, including a connector 21 and a first fixing base 22. The connector 21 is disposed on one side of the first fixing base 22, and is inserted into the second plug portion 12 and extends towards the first plug portion 11. The open end of the second plug portion 12 abuts against the outer side wall of the first fixing base 22. The alloy base 20 is provided with a receiving cavity 23, which is L-shaped and extends from the bottom of the first fixing base 22 to the connector 21. The lower surface of the first fixing base 22 is provided with multiple fixing pins 25. The connector 21 and the first fixing base 22 are integrally formed by die casting. The multiple fixing pins 25 can be used to cooperate with the female connector for installation and fixation, resulting in good fixing effect and convenient assembly. At the same time, the integral die casting method improves the overall strength and stability of the alloy base 20.
[0041] In this embodiment, the power connection component 30 is installed in the accommodating cavity 23, and a fixing groove 24 is provided on the other side of the first fixing seat 22. The fixing groove 24 communicates with the accommodating cavity 23, and the shielding sheet 40 is disposed in the fixing groove 24.
[0042] like Figure 5 As shown, in this embodiment, a first fixed step 121 and a second fixed step 122 are sequentially arranged around the inner sidewall of the second plug portion 12. The second fixed step 122 is located near the outlet end of the second plug portion 12. The first fixed step 121 has a first inclined surface on the side facing the outlet end of the second plug portion 12, and the second fixed step 122 has a second inclined surface on the side facing the outlet end of the second plug portion 12.
[0043] The outer wall of the connector 21 is provided with a first limiting step 211 that mates with the first fixed step 121, and a second limiting step 212 that mates with the second fixed step 122. The first limiting step 211 is provided with a third inclined surface that mates with the first inclined surface, and the second limiting step 212 is provided with a fourth inclined surface that mates with the second inclined surface. During assembly, the connector 21 is inserted into the second plug portion 12, the first limiting step 211 abuts against the first fixed step 121, and the third inclined surface is in contact with the first inclined surface; the second limiting step 212 abuts against the second fixed step 122, and the fourth inclined surface is in contact with the second inclined surface. Through this structure of step and inclined surface mating, the connector 21 and the second plug portion 12 of the outer shell 10 are accurately positioned and firmly connected, the installation process is simple and convenient, and the assembly efficiency is improved.
[0044] like Figure 4As shown, in this embodiment, a guide groove 123 is provided on the inner sidewall of the second plug portion 12, extending from the outlet end of the second plug portion 12 to the second fixed step 122; a guide arm 213 is provided on the outer sidewall of the connector 21, cooperating with the guide groove 123, extending from the second limiting step 212 to the first fixed seat 22. During assembly, the guide arm 213 is inserted into the guide groove 123. The cooperation between the guide groove 123 and the guide arm 213 provides guidance for the installation of the connector 21, further ensuring the accuracy and stability of the installation, while also reducing the difficulty of installation.
[0045] like Figure 4 and Figure 5 As shown, in this embodiment, the power connection assembly 30 includes an insulating sleeve 31 and a power connection terminal 32. The power connection terminal 32 is inserted into the insulating sleeve 31, which is disposed within the receiving cavity 23, and both ends of the power connection terminal 32 protrude from the insulating sleeve 31. The power connection terminal 32 includes a first horizontal end 321 and a first vertical end 322. The first horizontal end 321 is installed in the connector 21, and the first vertical end 322 is installed in the first fixing base 22.
[0046] like Figures 1 to 4 As shown, in this embodiment, the second fixing base 60 is mounted on the outer casing 10 via a connecting block. The second fixing base 60 includes a plug-in end 61 and a fixing end 62. The plug-in end 61 includes a forward-opening plug-in cavity 611, specifically, the plug-in cavity 611 is a rectangular cylindrical structure with one side and one end open. The fixing end 62 has a terminal mounting hole 621 opened horizontally and a terminal mounting groove 622 opened vertically. The shielding terminal 50 includes a second horizontal end 51 and a second vertical end 52. The second vertical end 52 of the shielding terminal 50 is provided with a bending portion 521. The second horizontal end 51 is inserted into the terminal mounting hole 621 and extends into the plug-in cavity 611, and the second vertical end 52 is installed in the terminal mounting groove 622. This structural design achieves a stable installation of the shielding terminal 50 and ensures the shielding effect. The setting of the bending portion 521 enhances the connection between the shielding terminal 50 and the second fixing base 60, and also helps to improve the shielding effect.
[0047] In the assembly process, the power terminal 32 is inserted into the insulating sleeve 31 to form the power connection assembly 30, and then the power connection assembly 30 is installed in the receiving cavity 23 of the alloy base 20. The shielding plate 40 is installed in the fixing groove 24 of the first fixing seat 22 of the alloy base 20 to complete the installation of the components on the alloy base 20. The plug 21 of the alloy base 20 is inserted into the second plug portion 12 of the outer shell 10, so that the first limiting step 211 of the plug 21 abuts against the first fixing step 121 of the second plug portion 12, the third inclined surface is in contact with the first inclined surface, the second limiting step 212 abuts against the second fixing step 122, and the fourth inclined surface is in contact with the second inclined surface. At the same time, the guide arm 213 of the plug 21 is inserted into the guide groove 123 of the second plug portion 12, so as to achieve precise installation of the alloy base 20 and the outer shell 10.
[0048] The second horizontal end 51 of the shielding terminal 50 is inserted into the terminal mounting hole 621 of the fixing end 62 of the second fixing base 60 and extends into the insertion cavity 611. The second vertical end 52 is installed in the terminal mounting groove 622, thus completing the installation of the shielding terminal 50.
[0049] In practical use, the male connector on this board is locked to the female connector via the snap 13 on the outer shell 10, and the first plug part 11 is inserted into the female connector to achieve circuit connection. The two ends of the power terminal 32 are connected to different parts of the circuit to allow current to flow. At the same time, the shielding sheet 40 and the shielding terminal 50 work together to resist external electromagnetic interference and ensure stable signal transmission.
[0050] 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 end male connector characterized by: It includes a housing, an alloy base, a power connection assembly, a shielding sheet, and shielding terminals. The housing includes a first plug portion that opens forward and a second plug portion that opens backward, and the first plug portion and the second plug portion are interconnected. The alloy base includes a connector and a first fixing base. The connector is disposed on one side of the first fixing base and is inserted into the second plug portion and extends towards the first plug portion. The alloy base is provided with a receiving cavity that extends from the bottom of the first fixing base to the connector. The power connection component is installed in the receiving cavity. The other side of the first fixing base is provided with a fixing groove, and the shielding sheet is disposed in the fixing groove. The outer casing is provided with a second fixing seat, and the shielding terminal is installed on the second fixing seat.
2. The board end male connector according to claim 1, characterized by: The accommodating cavity is L-shaped, the fixing groove is in communication with the accommodating cavity, and the open end of the second plug abuts against the outer wall of the first fixing seat.
3. The board end male connector according to claim 1, characterized by: The inner wall of the second plug portion is provided with a first fixing step and a second fixing step in sequence, with the second fixing step located near the outlet end of the second plug portion. The first fixed step has a first inclined surface on the side facing the outlet end of the second plug, and the second fixed step has a second inclined surface on the side facing the outlet end of the second plug. The outer wall of the connector is provided with a first limiting step that cooperates with the first fixed step and a second limiting step that cooperates with the second fixed step. The first limiting step is provided with a third inclined surface that cooperates with the first inclined surface, and the second limiting step is provided with a fourth inclined surface that cooperates with the second inclined surface. During assembly, the connector is inserted into the second plug part, the first limiting step abuts against the first fixed step, and the third inclined surface is connected to the first inclined surface. The second limiting step abuts against the second fixed step, and the fourth inclined surface is connected to the second inclined surface.
4. The board end male connector according to claim 3, characterized by: A guide groove is provided on the inner sidewall of the second plug portion, and the guide groove extends from the outlet end of the second plug portion to the second fixed step; The outer wall of the connector is provided with a guide arm that mates with the guide groove. The guide arm extends from the second limiting step to the first fixing seat. During assembly, the guide arm is inserted into the guide groove.
5. The board end male connector according to claim 1, characterized by: The power connection assembly includes an insulating sleeve and power connection terminals. The power connection terminals are inserted into the insulating sleeve, which is located within the accommodating cavity, and both ends of the power connection terminals extend out of the insulating sleeve.
6. The board end male connector according to claim 5, characterized by: The power terminal includes a first horizontal end and a first vertical end, the first horizontal end being installed inside the plug connector and the first vertical end being installed inside the first fixing base.
7. The board end male connector according to claim 1, characterized by: The second fixing base is mounted on the housing via a connecting block. The second fixing base includes a plug-in end and a fixing end. The plug-in end includes a plug-in cavity with a forward opening. The fixing end has a terminal mounting hole opened horizontally and a terminal mounting groove opened vertically. The shielding terminal includes a second horizontal end and a second vertical end. The second horizontal end is inserted into the terminal mounting hole and extends into the plug-in cavity. The second vertical end is installed in the terminal mounting groove.
8. The board end male connector according to claim 7, characterized by: The second vertical end of the shielding terminal is provided with a bent portion.
9. The board end male connector according to Claim 1, characterized by: The lower surface of the first fixing base is provided with multiple fixing pins, and the plug and the first fixing base are integrally formed by die casting.
10. The board end male connector according to Claim 1, characterized by: The outer casing is also equipped with clips.