Vertical grounding connector

By designing a vertical grounding connector, which uses a grounding terminal to connect vertically to the PCB board and utilizes a shielding strip and nut sleeve structure, the problems of low assembly efficiency and high risk of loosening in existing grounding connectors are solved, achieving a stable connection and efficient assembly under space constraints.

CN223539897UActive Publication Date: 2025-11-11SHUNKE ZHILIAN TECH CO LTD +2
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Patent Information

Application Number
CN202422876566.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-11
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing grounding connectors require two soldering steps when connecting the PCB board and the enclosure, resulting in low assembly efficiency, unusability in space-constrained situations, and a high risk of the grounding plate becoming loose.

Method used

Design a vertical grounding connector, which uses a grounding terminal to be vertically connected to the PCB board, and uses a shielding strip to separate the connector terminals. A stable connection is achieved by using a combination structure of a nut sleeve and a plastic body. The shielding strip is set axially at the center of the plastic body, the connector terminal is set axially through the plastic body, and the grounding terminal is slidably snapped onto the outer periphery of the plastic body.

Benefits of technology

This enables the widespread application of grounding connectors in space-constrained environments, improves assembly efficiency, ensures connection stability and non-interference, and reduces the risk of loosening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vertical grounding connector, which comprises a plastic main body, a plurality of connector terminals, a grounding terminal and a nut sleeve, and is characterized in that the nut sleeve is sleeved on the middle upper part of the outer ring surface of the plastic main body; the shielding strip is arranged on the center line of the plastic main body along the axial direction; the plurality of connector terminals penetrate through the plastic main body; the grounding terminal is slidably clamped on the periphery of the lower portion of the plastic body, the top of the grounding terminal abuts against the bottom of the nut sleeve, the bottom of the grounding terminal is vertically inserted into the PCB, and the bottom of the plastic body and the bottom of the connector terminal are electrically connected with the PCB. According to the utility model, the grounding connector interface is vertically connected with the PCB, the space of the box body is not limited, and the application range is wide; the tops of the grounding terminals are clamped on the periphery of the lower part of the plastic body, and the bottoms of the grounding terminals are inserted on the PCB, so that the overall assembly efficiency of the connector is high; the shielding strips separate the plurality of connector terminals from each other.
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Description

Technical Field

[0001] This utility model relates to the field of grounding connector technology, and mainly to a vertical grounding connector. Background Technology

[0002] With strong support from national policies, industry and automation have developed rapidly. The M12 circular connector presents a huge challenge in connector structure design in industrial automation. Considering the space requirements of the controller, structural requirements, the complex functions of the M12 connector and cost, the industry widely adopts connectors with 90° split soldering plates and grounding protection. The PCB board is perpendicular to the cabinet. The more components connected to the PCB board, the larger the space occupied by the cabinet will be.

[0003] The 90° split solder plate with grounding connector interface is parallel to the PCB board, and the enclosure cannot be used under restricted conditions; the grounding plate can only be fixed after the solder plate is soldered, and there is a risk of loosening before the solder plate is soldered; the grounding pin is soldered to the PCB board and then to the shielding shell, which reduces the assembly efficiency of the connector. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a vertical grounding connector. The technical problem it aims to solve is that the grounding connector interface and the PCB board are vertically connected, which is not limited by the enclosure space and has a wide range of applications. The overall assembly efficiency of the connector is high, and the shielding strip separates several connector terminals so that they do not interfere with each other.

[0005] The technical problem to be solved by this utility model can be achieved by the following technical solution:

[0006] A vertical grounding connector includes a plastic body, a plurality of connector terminals, a grounding terminal, and a nut sleeve, wherein the nut sleeve is fitted inside the upper part of the outer annular surface of the plastic body; characterized in that...

[0007] The grounding connector also includes a shielding strip, which is axially disposed on the center line of the plastic body. A plurality of connector terminals are axially disposed through the inner center of the plastic body, and a circumferential array is located on the outer periphery of the shielding strip.

[0008] The grounding terminal is slidably snapped onto the lower outer periphery of the plastic body, and the top of the grounding terminal abuts against the bottom of the nut sleeve; the bottom of the grounding terminal is vertically inserted into the PCB board, and the bottom of the plastic body and the bottom of the connector terminal are electrically connected to the PCB board respectively.

[0009] In a preferred embodiment of this utility model, the grounding terminal includes a grounding terminal body, an abutment block, and at least one grounding spring piece. The longitudinal section of the grounding terminal body is U-shaped. The bottom of the abutment block is inclinedly disposed on the top surface of the grounding terminal body, and the top of the abutment block abuts against the bottom surface of the nut sleeve. The top of the grounding spring piece is vertically disposed on one side of the outer ring surface of the grounding terminal body, and the inner wall of the grounding spring piece is engaged with the outer ring surface of the plastic body.

[0010] In a preferred embodiment of the present invention, the shielding strip has a cross-shaped cross section, and four connector terminals are provided, which are respectively located at the four corners of the shielding strip.

[0011] In a preferred embodiment of the present invention, the top of the abutment block is inclined upward along the radial direction of the grounding terminal body, and the longitudinal section of the abutment block is inverted L-shaped.

[0012] In a preferred embodiment of this utility model, the longitudinal section of the grounding spring is inverted V-shaped.

[0013] In a preferred embodiment of the present invention, the plastic body includes a bottom step and a plurality of sliding grooves. The bottom step is disposed at the lower part of the outer ring surface of the plastic body, and the plurality of sliding grooves are radially disposed at the outer middle part of the bottom step. The grounding terminal further includes a slider, which is disposed radially downward on the other side of the outer ring surface of the grounding terminal body. The slider has an L-shaped longitudinal section, and the bottom of the slider is slidably disposed in the sliding groove of the plastic body.

[0014] In a preferred embodiment of this utility model, the upper part of the inner ring surface of the nut sleeve is provided with an internal thread and is connected to the outer ring surface of the plastic body. A sealing ring is provided at the bottom of the connection between the nut sleeve and the internal thread of the plastic body for sealing connection.

[0015] In a preferred embodiment of the present invention, the lower part of the outer ring surface of the nut sleeve is provided with a lower external thread; the middle part of the outer ring surface of the nut sleeve is provided with a threaded flange, and the threaded flange and the lower external thread are connected by a thread.

[0016] Compared with the prior art, the advantages of this utility model are as follows: a vertical grounding connector with a vertical connection between the grounding connector interface and the PCB board, which is convenient for use in cases where the cabinet space is limited, with fewer usage restrictions and a wide range of applications; the top of the grounding terminal is snapped into the lower outer periphery of the plastic body, and the bottom is inserted into the PCB board, resulting in high overall assembly efficiency of the connector; shielding strips are provided between several connector terminals to prevent interference between them. Attached Figure Description

[0017] Figure 1 This is a structural schematic diagram of a vertical grounding connector according to this utility model.

[0018] Figure 2 This is a cross-sectional view of a vertical grounding connector according to this utility model.

[0019] Figure 3 This is a top view of a vertical grounding connector according to this utility model.

[0020] Figure label:

[0021] 10. Plastic body; 11. Bottom step; 12. Slide groove; 21. Shielding strip; 22. Connector terminal.

[0022] Grounding terminal: 31 Grounding terminal body, 32 Abutment block, 33 Grounding spring; 34 Slider.

[0023] 40 Nut sleeve, 41 Upper internal thread, 42 Lower external thread; 51 Sealing ring, 52 Threaded flange. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0025] See Figures 1 to 2 The figure shows a vertical grounding connector, including a plastic body 10, several connector terminals 22, a grounding terminal, and a nut sleeve 40. The nut sleeve 40 is fitted inside the upper part of the outer ring surface of the plastic body 10. The grounding connector also includes a shielding strip 21, which is axially arranged on the center line of the plastic body 10. Several connector terminals 22 are axially arranged through the inner middle part of the plastic body 10, and the circumferential array is located on the outer periphery of the shielding strip 21. The grounding terminal is slidably snapped onto the lower outer periphery of the plastic body 10, and the top of the grounding terminal abuts against the bottom of the nut sleeve 40. The bottom of the grounding terminal is vertically inserted into the PCB board, and the bottom of the plastic body 10 and the bottom of the connector terminal 22 are electrically connected to the PCB board respectively.

[0026] Furthermore, in combination Figure 3 The shielding strip 21 has a cross-shaped cross section, and four connector terminals 22 are provided, which are respectively located at the four corners of the shielding strip 21.

[0027] The grounding connector of this utility model is a 180° split solder plate grounding connector. The grounding connector interface is vertically connected to the PCB board, which is convenient for use in cases where the cabinet space is limited. It has fewer usage restrictions and a wide range of applications. The top of the grounding terminal is slidably snapped on the lower outer periphery of the plastic body, and the bottom is inserted into the PCB board, which makes the overall assembly efficiency of the connector high. Several connector terminals 22 are separated by shielding strips 21 to prevent interference between them.

[0028] In this preferred embodiment, the grounding terminal includes a grounding terminal body 31, an abutment block 32, and at least one grounding spring 33. The longitudinal section of the grounding terminal body 31 is in the shape of an inverted U. The bottom of the abutment block 32 is inclinedly disposed on the top surface of the grounding terminal body 31, and the top of the abutment block 32 abuts against the bottom surface of the nut sleeve 40. The top of the grounding spring 33 is vertically disposed on one side of the outer ring surface of the grounding terminal body 31, and the inner wall of the grounding spring 33 is engaged with the outer ring surface of the plastic body.

[0029] Furthermore, the top of the abutment block 32 is inclined upward along the radial direction of the grounding terminal body 31, and the longitudinal section of the abutment block 32 is inverted L-shaped.

[0030] Furthermore, the longitudinal section of the grounding spring 33 is inverted V-shaped.

[0031] One end of the grounding terminal's abutment block 32 is inclined to the top of the grounding terminal body 31. The abutment block 32 has a certain longitudinal swing space. The top of the abutment block 32 is inclined radially upward to prevent the abutment block 32 from loosening when the nut sleeve 40 is screwed in or out, ensuring that the top of the abutment block 32 is tightly connected to the bottom of the nut sleeve 40. The grounding spring 33 is set in an inverted V-shaped harpoon shape, which can firmly connect and hold the PCB board, ensuring that the connector does not loosen during soldering and ensuring connection reliability.

[0032] In this preferred embodiment, the plastic body includes a bottom step 11 and a plurality of sliding grooves 12. The bottom step 11 is disposed at the lower part of the outer ring surface of the plastic body 10, and the plurality of sliding grooves 12 are radially disposed at the outer center of the bottom step 11. The grounding terminal also includes a slider 34, which is disposed radially downward on the other side of the outer ring surface of the grounding terminal body 31. The longitudinal section of the slider 34 is L-shaped, and the bottom of the slider 34 is slidably disposed within the sliding grooves 12 of the plastic body 10. Specifically, the sliding grooves 12 on the plastic body are not continuous.

[0033] The grounding terminal body 31 has a groove 12 set on the lower step of the plastic body. The slider 34 on the outer ring surface of the grounding terminal is horizontally slidably engaged in the groove 12 of the plastic body, making the sliding limit and connection between the two more stable.

[0034] In this preferred embodiment, the upper part of the inner ring surface of the nut sleeve 40 is provided with an upper internal thread 41 and is connected to the outer ring surface of the plastic body 10. A sealing ring 51 is provided at the bottom of the connection between the nut sleeve 40 and the upper internal thread 41 of the plastic body 10 for sealing connection.

[0035] Furthermore, the lower part of the outer ring surface of the nut sleeve 40 is provided with a lower external thread 42; the middle part of the outer ring surface of the nut sleeve 40 is provided with a threaded flange 52, and the threaded flange 52 and the lower external thread 42 are fastened by a threaded connection.

[0036] The nut sleeve 40 is tightly connected to the upper part of the plastic body 10 through the sealing ring 51 and the upper internal thread 41, and the lower part is positioned and fastened through the threaded flange 52. The double connection and positioning maintain stability.

[0037] The basic installation principle of this utility model is as follows: The installation steps of the board-end grounding connector are as follows: First, install the connector terminal 22 and the metal grounding spring 33 on the plastic body 10 in sequence, and install the lower sealing ring on the lower part of the outer ring surface of the plastic body 10; then install the metal nut sleeve 40 semi-finished product, which is as follows: the upper sealing ring is installed on the inner ring surface of the metal nut sleeve 40, and the metal thread flange 52 is locked on the outer ring surface; finally, assemble the outer sealing ring to complete the assembly of the grounding connector.

[0038] Usage steps: 1. Solder the board-end grounding connector to the PCB board; 2. Remove the semi-finished metal nut sleeve 40, unscrew the metal threaded flange 52, insert the metal nut sleeve 40 into the enclosure from the front, and then tighten the metal flange from the back of the enclosure to secure the metal nut sleeve 40; 3. After fixing the soldered PCB connector into the metal nut sleeve 40, fix the PCB board, ensuring the connector is securely fixed, and install the O-ring seal; 4. The wire-end connector can then conduct electricity to the PCB board through the grounding connector on the enclosure, ensuring the product is waterproof, conductive, and grounded.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A vertical grounding connector, comprising a plastic body, a plurality of connector terminals, a grounding terminal, and a nut sleeve, wherein the nut sleeve is fitted inside the upper part of the outer annular surface of the plastic body; characterized in that, The grounding connector also includes a shielding strip, which is axially disposed on the center line of the plastic body. A plurality of connector terminals are axially disposed through the inner center of the plastic body, and a circumferential array is located on the outer periphery of the shielding strip. The grounding terminal is slidably snapped onto the lower outer periphery of the plastic body, and the top of the grounding terminal abuts against the bottom of the nut sleeve; the bottom of the grounding terminal is vertically inserted into the PCB board, and the bottom of the plastic body and the bottom of the connector terminal are electrically connected to the PCB board respectively.

2. A vertical grounding connector as described in claim 1, characterized in that, The grounding terminal includes a grounding terminal body, an abutment block, and at least one grounding spring. The longitudinal section of the grounding terminal body is U-shaped. The bottom of the abutment block is inclinedly disposed on the top surface of the grounding terminal body, and the top of the abutment block abuts against the bottom surface of the nut sleeve. The top of the grounding spring is vertically disposed on one side of the outer ring surface of the grounding terminal body, and the inner wall of the grounding spring is engaged with the outer ring surface of the plastic body.

3. A vertical grounding connector as described in claim 1, characterized in that, The shielding strip has a cross-shaped cross section, and four connector terminals are provided, with the four connector terminals respectively located at the four corners of the shielding strip.

4. A vertical grounding connector as described in claim 2, characterized in that, The top of the abutment block is inclined upward along the radial direction of the grounding terminal body, and the longitudinal section of the abutment block is inverted L-shaped.

5. A vertical grounding connector as described in claim 2, characterized in that, The longitudinal section of the grounding spring is inverted V-shaped.

6. A vertical grounding connector as described in claim 2, characterized in that, The plastic body includes a bottom step and several grooves. The bottom step is located at the lower part of the outer ring surface of the plastic body, and the several grooves are radially arranged at the outer middle part of the bottom step. The grounding terminal also includes a slider. The slider is arranged radially downward on the other side of the outer ring surface of the grounding terminal body. The longitudinal section of the slider is L-shaped, and the bottom of the slider is slidably arranged in the groove of the plastic body.

7. A vertical grounding connector as described in claim 1, characterized in that, The inner ring surface of the nut sleeve is provided with an upper internal thread and is connected to the outer ring surface of the plastic body. A sealing ring is provided at the bottom of the connection between the nut sleeve and the upper internal thread of the plastic body for sealing connection.

8. A vertical grounding connector as described in claim 7, characterized in that, The lower part of the outer ring surface of the nut sleeve is provided with a lower external thread; the middle part of the outer ring surface of the nut sleeve is provided with a threaded flange, and the threaded flange and the lower external thread are connected by a thread.