Connector grounding structure
By setting a conflicting part on the grounded metal shrapnel, the metal mounting plate and the connector metal shell are simultaneously grounded, solving the problem of leakage risk, and improving the safety of the equipment and the reliability of signal transmission.
Patent Information
- Application Number
- CN202421801928.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-26
AI Technical Summary
In some electronic devices, the metal mounting plate fails to ground at the same time as the metal housing of the connector, resulting in a risk of leakage.
By providing a first and second contact portion on the grounding metal shrapnel, it abuts with the metal mounting plate and the metal housing of the connector, respectively, so that the metal mounting plate and the metal housing of the connector are grounded simultaneously.
It effectively avoids the risk of leakage from metal mounting plates, ensures the safety of equipment and the reliability of signal transmission.
Smart Images

Figure CN222839072U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connectors, in particular to a connector grounding structure. Background Art
[0002] Connectors are widely used in various electronic devices for signal transmission. With the advancement of technology, the demand for connector signal transmission is increasing day by day. Connectors are generally installed on the mounting plate of the equipment. The mounting plates of some equipment are metal mounting plates. After the connector is installed on the metal mounting plate, only the metal shell of the connector is grounded, while the metal mounting plate is not grounded, which poses a risk of leakage. Utility Model Content
[0003] The utility model aims to provide a connector grounding structure, which can ground a metal mounting plate and a metal shell of the connector simultaneously.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A connector grounding structure comprises a connector body and a metal mounting plate, wherein the connector body comprises a shell, an interface, a grounding metal spring, a PCB board and a PVC line, wherein the interface, the grounding metal spring and the PCB board are arranged in the shell, wherein the grounding metal spring comprises a first abutting portion and a second abutting portion arranged in a V shape, wherein the interface comprises a metal shell and a wiring terminal, wherein the shell is provided with a first clearance groove for the second abutting portion to extend out, wherein the wiring terminal and the PVC line are electrically connected to the PCB board respectively, wherein the grounding metal spring is electrically connected to the ground line of the PVC line, and during assembly, the rear end of the connector body is embedded in the mounting hole of the metal mounting plate, wherein the first abutting portion abuts against the outer side wall of the metal shell, and the second abutting portion abuts against the metal mounting plate.
[0006] As a preferred solution, the rear end of the grounding metal spring is integrally extended to form a first extension portion, and the first extension portion is electrically connected to the ground wire of the PVC wire.
[0007] As a preferred solution, the housing is provided with a first mounting groove, and during assembly, the interface, the grounding metal spring sheet, and the PCB board are arranged in the first mounting groove.
[0008] As a preferred solution, the front end of the housing is provided with a second clearance groove for the grounding metal spring to be installed in the first installation groove, and the second clearance groove is connected to the first clearance groove.
[0009] As a preferred solution, it also includes a fixing part for fixing the interface, the front end of the fixing part is provided with a second mounting groove, the metal shell is arranged at the front end of the fixing part through the second mounting groove, the PCB board is arranged at the rear end of the fixing part, and the fixing part is provided with a through groove for the first interference part to pass through. During assembly, the rear end of the metal shell is arranged in the second mounting groove.
[0010] As a preferred embodiment, the fixing part includes a base plate, the through groove is provided on the base plate, the upper and lower sides of the base plate are respectively provided with limit plates extending to the front end, the left and right sides of the base plate are respectively provided with a first elastic buckle and a second elastic buckle extending to the front end, the shell is provided with a first buckle groove corresponding to the first elastic buckle, the outer wall of the metal shell is provided with a second buckle groove corresponding to the second elastic buckle, the limit plates on the upper and lower sides of the fixing part and the first and second elastic buckles on the left and right sides of the fixing part are surrounded to form the second installation groove, and during assembly, the first elastic buckle is buckled into the first buckle groove, and the second elastic buckle is buckled into the second buckle groove.
[0011] As a preferred solution, the base plate is provided with a positioning column extending toward the rear end, and the PCB board is provided with a positioning groove corresponding to the positioning column. During assembly, the positioning column is inserted into the positioning groove.
[0012] As a preferred solution, the substrate is provided with a third clearance groove for the connection terminal to pass through and connect to the PCB.
[0013] As a preferred solution, it also includes an end cover, which is buckled on the front end of the shell and has a fourth clearance groove for exposing the interface. During assembly, the connector body is fixed on the metal mounting plate by the cooperation between the end cover and the clamping block.
[0014] As a preferred solution, the protruding end of the second abutting portion is bent and extended toward a side away from the metal shell to form a second extending portion. During assembly, the end of the second extending portion abuts against the front end of the metal mounting plate.
[0015] Beneficial effects of the utility model:
[0016] The utility model provides a first abutting portion and a second abutting portion on the grounding metal spring sheet to respectively abut against the metal mounting plate and the metal shell of the connector, so that the metal mounting plate and the metal shell of the connector are grounded at the same time, thereby preventing leakage of the metal mounting plate.
[0017] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1It is a schematic structural diagram of an embodiment of the utility model;
[0019] Figure 2 It is a structural exploded view of an embodiment of the utility model;
[0020] Figure 3 This is a shell structure diagram of an embodiment of the utility model;
[0021] Figure 4 It is an interface structure diagram of an embodiment of the utility model;
[0022] Figure 5 This is a structural diagram of a grounding metal spring according to an embodiment of the utility model;
[0023] Figure 6 It is a schematic diagram of the front structure of the fixing member of the embodiment of the utility model;
[0024] Figure 7 It is a schematic diagram of the rear structure of the fixing member of the embodiment of the utility model;
[0025] Figure 8 This is a PCB board structure diagram of an embodiment of the utility model;
[0026] Fig. 9 It is a schematic diagram of the connector body of the embodiment of the utility model being installed on a metal mounting plate;
[0027] Fig.10 yes Fig. 9 Schematic cross-sectional view of .
[0028] Description of the accompanying drawings:
[0029] 10-connector body; 11-housing; 111-first mounting slot; 112-first clearance slot; 113-first buckle slot; 114-second clearance slot; 12-interface; 121-metal shell; 1211-second buckle slot; 122-connecting terminal; 13-grounding metal spring; 131-first abutment portion; 132-second abutment portion; 133-first extension portion; 134-second extension portion; 14-PCB board; 141-positioning slot; 15-PVC wire; 151-ground wire; 16-fixing piece; 161-through slot; 162-second mounting slot; 163-base plate; 1631-positioning column; 164-limiting plate; 165-first elastic buckle; 166-second elastic buckle; 167-third clearance slot; 17-end cover; 171-fourth clearance slot; 20-metal mounting plate. DETAILED DESCRIPTION
[0030] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0032] like Figure 1-10 As shown, the utility model discloses a connector grounding structure, including a connector body 10 and a metal mounting plate 20, the connector body 10 includes a shell 11, an interface 12, a grounding metal spring 13, a PCB board 14, a PVC line 15, an end cover 17 and a fixing member 16 for fixing the interface 12, the interface 12, the grounding metal spring 13 and the PCB board 14 are arranged in the shell 11, the grounding metal spring 13 includes a first contact portion 131 and a second contact portion 132 arranged in a V shape, the interface 12 includes a metal shell 121 and a wiring terminal 122, the shell 11 is provided with a first clearance groove 112 for the second contact portion 132 to extend, the wiring terminal 122 and the PVC line 15 are electrically connected to the PCB board 14 respectively, the grounding metal spring 13 is electrically connected to the ground line 151 of the PVC line 15, in this embodiment, the rear end of the grounding metal spring 13 is integrally extended to form a first extension portion 133, and the first extension portion 133 is electrically connected to the ground line 151 of the PVC line 15. During assembly, the rear end of the connector body 10 is inserted into the mounting hole (not shown) of the metal mounting plate 20, the first abutting portion 131 abuts against the outer wall of the metal shell 121, and the second abutting portion 132 abuts against the metal mounting plate 20. By arranging the first abutting portion 131 and the second abutting portion 132 on the grounding metal spring 13 to abut against the metal mounting plate 20 and the metal shell 121 of the connector respectively, the metal mounting plate 20 and the metal shell 121 of the connector are grounded at the same time, thereby preventing the metal mounting plate 20 from leaking electricity.
[0033] In this example, grounding metal springs 13 are provided on both sides of the metal shell 121 , and the shell 11 is provided with a first installation slot 111 . During assembly, the interface 12 , the grounding metal springs 13 , and the PCB board 14 are arranged in the first installation slot 111 .
[0034] In order to facilitate installation of the grounding metal spring 13 , the front end of the housing 11 is provided with a second clearance groove 114 for the grounding metal spring 13 to be installed into the first installation groove 111 , and the second clearance groove 114 is connected to the first clearance groove 112 .
[0035] The front end of the fixing member 16 is provided with a second mounting groove 162, the metal shell 121 is arranged at the front end of the fixing member 16 through the second mounting groove 162, the PCB board 14 is arranged at the rear end of the fixing member 16, and the fixing member 16 is provided with a through groove 161 for the first interference portion 131 to pass through. During assembly, the rear end of the metal shell 121 is arranged in the second mounting groove 162.
[0036] The fixing member 16 includes a base plate 163, on which the through groove 161 is provided, and upper and lower sides of the base plate 163 are respectively provided with limiting plates 164 extending toward the front end, and left and right sides of the base plate 163 are both provided with a first elastic buckle 165 and a second elastic buckle 166 extending toward the front end, the shell 11 is provided with a first buckle groove 113 corresponding to the first elastic buckle 165, and the outer side wall of the metal shell 121 is provided with a second buckle groove 1211 corresponding to the second elastic buckle 166, and the limiting plates 164 on the upper and lower sides of the fixing member 16 and the first elastic buckle 165 and the second elastic buckle 166 on the left and right sides of the fixing member 16 are surrounded to form the second installation groove 162, and during assembly, the first elastic buckle 165 is buckled into the first buckle groove 113, and the second elastic buckle 166 is buckled into the second buckle groove 1211.
[0037] In order to fix the fixing member 16 to the PCB board 14, the base plate 163 is provided with a positioning column 1631 extending to the rear end, and the PCB board 14 is provided with a positioning groove 141 corresponding to the positioning column 1631. During assembly, the positioning column 1631 is inserted into the positioning groove 141.
[0038] The substrate 163 is provided with a third clearance slot 167 for the connection terminal 122 to pass through and connect to the PCB.
[0039] The end cover 17 is buckled on the front end of the housing 11 and is provided with a fourth clearance groove 171 for exposing the interface 12. During assembly, the connector body 10 is fixed on the metal mounting plate 20 through the cooperation between the end cover 17 and the clamping block.
[0040] The extended end of the second abutting portion 132 is bent and extended toward a side away from the metal shell 121 to form a second extending portion. During assembly, the end of the second extending portion abuts against the front end of the metal mounting plate 20 .
[0041] The end of the housing 11 is provided with a threading hole (not shown) connected to the first mounting groove 111 , and the PVC wire 15 passes through the threading hole and comes out from the rear end of the housing 11 .
[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical practice of the present invention still falls within the scope of the technical solution of the present invention.
Claims
1. A connector grounding structure, characterized in that: It includes a connector body and a metal mounting plate, the connector body includes a shell, an interface, a grounding metal spring, a PCB board and a PVC wire, the interface, the grounding metal spring and the PCB board are arranged in the shell, the grounding metal spring includes a first contact part and a second contact part arranged in a V shape, the interface includes a metal shell and a wiring terminal, the shell is provided with a first clearance groove for the second contact part to extend, the wiring terminal and the PVC wire are electrically connected to the PCB board respectively, the grounding metal spring is electrically connected to the ground wire of the PVC wire, and when assembled, the rear end of the connector body is embedded from the mounting hole of the metal mounting plate, the first contact part abuts against the outer side wall of the metal shell, and the second contact part abuts against the metal mounting plate.
2. The connector grounding structure according to claim 1, characterized in that: The rear end of the grounding metal spring is integrally extended to form a first extension portion, and the first extension portion is electrically connected to the ground wire of the PVC wire.
3. The connector grounding structure according to claim 1, characterized in that: The housing is provided with a first mounting groove. During assembly, the interface, the grounding metal spring sheet and the PCB board are arranged in the first mounting groove.
4. The connector grounding structure according to claim 1, characterized in that: The front end of the housing is provided with a second paving groove for the grounding metal spring to be installed into the first installation groove, and the second paving groove is communicated with the first paving groove.
5. The connector grounding structure according to claim 1, characterized in that: It also includes a fixing part for fixing the interface, the front end of the fixing part is provided with a second mounting groove, the metal shell is arranged at the front end of the fixing part through the second mounting groove, the PCB board is arranged at the rear end of the fixing part, and the fixing part is provided with a through groove for the first interference part to pass through. During assembly, the rear end of the metal shell is arranged in the second mounting groove.
6. The connector grounding structure according to claim 5, characterized in that: The fixing part includes a base plate, the through groove is provided on the base plate, the upper and lower sides of the base plate are respectively provided with limit plates extending to the front end, the left and right sides of the base plate are both provided with a first elastic buckle and a second elastic buckle extending to the front end, the shell is provided with a first buckle groove corresponding to the first elastic buckle, the outer wall of the metal shell is provided with a second buckle groove corresponding to the second elastic buckle, the limit plates on the upper and lower sides of the fixing part and the first elastic buckle and the second elastic buckle on the left and right sides of the fixing part are surrounded to form the second installation groove, and during assembly, the first elastic buckle is buckled into the first buckle groove, and the second elastic buckle is buckled into the second buckle groove.
7. The connector grounding structure according to claim 6, characterized in that: The base plate is provided with a positioning column extending toward the rear end, and the PCB board is provided with a positioning groove corresponding to the positioning column. During assembly, the positioning column is inserted into the positioning groove.
8. The connector grounding structure according to claim 6, characterized in that: The substrate is provided with a third clearance slot for the connection terminal to pass through and connect with the PCB.
9. The connector grounding structure according to claim 1, characterized in that: It also includes an end cover, which is buckled on the front end of the shell and is provided with a fourth clearance groove for exposing the interface. During assembly, the connector body is fixed on the metal mounting plate through the cooperation of the end cover and the clamping block.
10. The connector grounding structure according to claim 1, characterized in that: The protruding end of the second abutting portion is bent and extended toward a side away from the metal shell to form a second extending portion. During assembly, the end of the second extending portion abuts against the front end of the metal mounting plate.