180-degree split type grounding connector

Abstract

The utility model discloses a 180-degree split type grounding connector, which comprises a plastic cement main body, a plurality of connector terminals, a grounding terminal and a nut sleeve, the plurality of connector terminals are arranged in the inner middle part of the plastic cement main body in a penetrating manner along the axial direction, and the inner part of the nut sleeve is sleeved on the middle upper part of the outer ring surface of the plastic cement main body; the grounding terminal is clamped at the periphery of the lower part of the plastic main 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, 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 portion of the plastic body, the bottoms of the grounding terminals are inserted into the PCB, and the overall assembly efficiency of the connector is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grounding connector mainly relates to a 180 degrees split type grounding connector. BACKGROUND

[0002] Industrial and automation get rapid development under the great support of national policy, and M12 round connector has great challenge in the structure design of connector in industrial automation; considering the space requirement of controller, structure requirement, complex function and cost of M12 connector, the industry widely adopts 90 degree split welding plate with grounding protection connector, and the PCB board and the box are in vertical state, and the more the connecting components of the PCB board are, the larger the box space is.

[0003] The interface of the 90 degree split welding plate with grounding connector is parallel to the PCB board, and the box cannot be used in the limited case; the grounding sheet can be fixed after the welding plate, and there is a risk of loosening before the welding plate; the grounding foot is welded on the PCB board, and the grounding foot is welded on the shielding shell, and the twice welding reduces the assembly efficiency of the connector. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a 180 degrees split type grounding connector, which solves the technical problems that the interface of the grounding connector is connected vertically with the PCB board, is not limited by the box space, and has wide application range; the assembly efficiency of the whole connector is high, and the split type facilitates the replacement of the PCB board.

[0005] The technical problems solved by the utility model can be solved by the following technical solutions:

[0006] A 180 degrees split type grounding connector, characterized by comprising a plastic main body, a plurality of connector terminals, a grounding terminal and a nut sleeve, the plurality of connector terminals are arranged through the inner middle part of the plastic main body in the axial direction, and the inner part of the nut sleeve is sleeved on the outer ring surface of the upper part of the plastic main body; the grounding terminal is arranged in the lower part of the plastic main body in a clamping mode, 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 main body and the bottom of the connector terminal are electrically connected with the PCB board respectively.

[0007] In one preferred embodiment of the utility model, the grounding terminal comprises a grounding terminal body, an abutting block and at least one grounding spring sheet, the longitudinal section of the grounding terminal body is in the shape of inverted N; the bottom of the abutting block is arranged on the top surface of the grounding terminal body in a slanting mode, and the top end of the abutting block abuts against the bottom surface of the nut sleeve; the top of the grounding spring sheet is vertically arranged on the outer ring surface of the grounding terminal body, and the inner wall of the grounding spring sheet is clamped on the outer ring surface of the plastic body.

[0008] In one preferred embodiment of the utility model, the longitudinal section of the grounding spring is inverted V-shaped.

[0009] In one preferred embodiment of the utility model, the plastic body comprises a bottom step, a plurality of protrusions and a plurality of clamping blocks, the bottom step is arranged at the lower part of the outer ring surface of the plastic main body, the plurality of protrusions are arranged vertically on the upper horizontal surface of the bottom step, and the plurality of clamping blocks are arranged in a circular array on the outer ring surface of the bottom step; the top of the plurality of protrusions penetrates the horizontal part of the inverted character U-shaped body of the grounding terminal, and the plurality of clamping blocks penetrate the vertical part of the inverted character U-shaped body of the grounding terminal in the radial direction.

[0010] In one preferred embodiment of the utility model, the upper inner thread is arranged on the upper part of the inner ring surface of the nut sleeve and connected with the outer ring surface of the plastic main body, and the bottom of the connection between the nut sleeve and the upper inner thread of the plastic main body is sealed and connected by the upper sealing ring.

[0011] In one preferred embodiment of the utility model, the middle part of the connection between the lower part of the inner ring surface of the nut sleeve and the lower part of the outer ring surface of the plastic main body is provided with a lower sealing ring for sealing connection, and the lower part of the outer ring surface of the nut sleeve is provided with a lower outer thread; the outer ring surface of the nut sleeve is provided with a threaded flange at the position with the same diameter as the lower sealing ring, and the threaded flange and the lower outer thread are connected by screwing.

[0012] In one preferred embodiment of the utility model, the outer ring surface of the nut sleeve is provided with a convex ring in the radial direction at the position of the upper sealing ring, and the lower inner wall of the convex ring is provided with an outer sealing ring.

[0013] In one preferred embodiment of the utility model, the plurality of connector terminals comprise a first connector terminal and at least three second connector terminals, the first connector terminal is arranged on the center line of the plastic main body, and the at least three second connector terminals are arranged in a circular array on the outer periphery of the first connector terminal.

[0014] Compared with the prior art, the utility model has the advantages that: a 180-degree split type grounding connector is adopted, the grounding connector interface is connected with the PCB vertically, which is convenient to use in the case that the space of the box body is limited, the use is limited less, and the application range is wide; the top of the grounding terminal is clamped on the lower outer periphery of the plastic body, and the bottom is inserted on the PCB, so that the assembly efficiency of the whole connector is high; the split type facilitates the replacement of the PCB, and the metal nut of the box body shell does not need to be disassembled and assembled, so that the box body is not worn due to multiple disassembly, and the product appearance and durability are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure schematic view of the utility model 180-degree split type grounding connector.

[0016] Fig. 2 This is an exploded structural diagram of a 180-degree split-type grounding connector according to this utility model.

[0017] Fig. 3 This is a cross-sectional view of a 180-degree split-type grounding connector according to this utility model.

[0018] Icon labels:

[0019] 10. Plastic body, 11. Bottom step, 12. Protrusion, 13. Locking block.

[0020] Connector terminals: 21 First connector terminal, 22 Second connector terminal.

[0021] Grounding terminal: 31 Grounding terminal body, 32 Abutment block, 33 Grounding spring.

[0022] 40 Nut sleeve, 41 Upper internal thread, 42 Raised ring, 43 Lower external thread; 51 Upper sealing ring, 52 Lower sealing ring, 53 Threaded flange, 54 External sealing ring. Detailed Implementation

[0023] 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.

[0024] See Figs. 1 to 3 The figure shows a 180-degree split-type grounding connector, including a plastic body 10, several connector terminals, a grounding terminal, and a nut sleeve 40. The connector terminals are axially inserted through the inner center of the plastic body 10. The nut sleeve 40 is fitted inside the upper part of the outer ring surface of the plastic body 10. The grounding terminal is 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. The bottom of the plastic body 10 and the bottom of the connector terminals are electrically connected to the PCB board.

[0025] Furthermore, the plurality of connector terminals include a first connector terminal 21 and at least three second connector terminals 22, wherein the first connector terminal 21 is disposed on the center line of the plastic body 10, and the at least three second connector terminals 22 are arranged in a circumferential array around the first connector terminal 21.

[0026] The grounding connector is a 180-degree split welding plate grounding connector, vertical connection is adopted between a grounding connector interface and a PCB board, use is facilitated under the condition that the space of a box body is limited, use is less limited, and the grounding connector is widely applicable; the top of the grounding terminal is clamped to the lower periphery of the plastic body, the bottom is inserted on the PCB board, and the assembly efficiency of the connector as a whole is high.

[0027] In the preferred embodiment, the grounding terminal comprises a grounding terminal body 31, an abutting block 32 and at least one grounding spring sheet 33, the longitudinal section of the grounding terminal body 31 is in the shape of an inverted N, the bottom of the abutting block 32 is obliquely arranged on the top surface of the grounding terminal body 31, the top end of the abutting block 32 abuts against the bottom surface of the nut sleeve 40, and the top of the grounding spring sheet 33 is vertically arranged on the outer ring surface of the grounding terminal body 31, and the inner wall of the grounding spring sheet 33 is clamped to the outer ring surface of the plastic body.

[0028] Further, the longitudinal section of the grounding spring sheet 33 is in the shape of an inverted V.

[0029] One end of the abutting block 32 of the above grounding terminal is obliquely connected to the top of the grounding terminal body 31, the abutting block 32 has a certain swinging space as a whole, the top of the abutting block 32 is tightly connected to the bottom of the nut sleeve 40, the grounding spring sheet 33 is arranged in the shape of an inverted V-shaped fish fork, the PCB board can be firmly connected and clamped, the connector is not loose during welding, and the connection reliability is ensured.

[0030] Further, the plastic body comprises a bottom step 11, a plurality of protrusions 12 and a plurality of clamping blocks 13, the bottom step 11 is arranged on the lower outer ring surface of the plastic main body 10, the plurality of protrusions 12 are vertically arranged on the upper horizontal surface of the bottom step 11, and the plurality of clamping blocks 13 are annularly arranged on the outer ring surface of the bottom step 11; the top of the plurality of protrusions 12 penetrates through the horizontal part of the inverted N-shaped grounding terminal body 31, and the plurality of clamping blocks 13 radially penetrate through the vertical part of the inverted N-shaped grounding terminal body 31.

[0031] The above grounding terminal body 31 is clamped to the plastic body through the plurality of protrusions 12 and clamping blocks 13, and is stably connected in double.

[0032] In the preferred embodiment, the upper inner thread 41 is arranged on the upper inner ring surface of the nut sleeve 40 and connected with the outer ring surface of the plastic main body 10, and the bottom of the connection position of the nut sleeve 40 and the upper inner thread 41 of the plastic main body 10 is provided with the upper sealing ring 51 for sealing connection.

[0033] Further, the inner annular surface lower part of the nut sleeve 40 is connected with the outer annular surface lower part of the plastic body 10, and a middle part is provided with a lower sealing ring 52 for sealing connection; the outer annular surface lower part of the nut sleeve 40 is provided with a lower external thread 43; the outer annular surface of the nut sleeve 40 is provided with a threaded flange 53 at the position of the lower sealing ring 52, and the threaded flange 53 is fastened with the lower external thread 43 through thread connection.

[0034] Further, the outer annular surface of the nut sleeve 40 is provided with a convex ring 42 radially at the position of the upper sealing ring 51, and the lower inner wall of the convex ring 42 is provided with an external sealing ring 54.

[0035] The upper part of the nut sleeve 40 and the plastic body 10 are tightly connected through the upper sealing ring 51 and the upper internal thread 41, the middle part is tightly connected through the convex ring 42 and the external sealing ring 54, and the lower part is positioned and fastened through the lower sealing ring 52 and the threaded flange 53, so that the stability is maintained through triple connection and positioning.

[0036] The basic installation principle of the utility model is as follows: the installation steps of the board end grounding connector are as follows: firstly, the connector terminal and the metal grounding spring 33 are sequentially mounted on the plastic body 10, and the lower sealing ring 52 is mounted on the middle and lower part of the outer annular surface of the plastic body 10; then the metal nut sleeve 40 semi-product is mounted, and the metal nut sleeve 40 semi-product is as follows: the upper sealing ring 51 is mounted on the inner annular surface of the metal nut sleeve 40, and the metal threaded flange 53 is locked on the outer annular surface; finally, the external sealing ring 54 is mounted, and the grounding connector assembly is completed.

[0037] The use steps are as follows: 1. the board end grounding connector is welded to the PCB board; 2. the metal nut sleeve 40 semi-product is taken down, the metal threaded flange 53 is unscrewed, the metal nut sleeve 40 is inserted into the box from the front, and then the metal flange is screwed from the back of the box to fix the metal nut sleeve 40; 3. after the welded PCB connector is fixed in the metal nut sleeve 40, the PCB board is fixed, the connector is fixed, and the O-shaped sealing ring is mounted; 4. the wire end connector can be conducted through the grounding connector on the box and the PCB board, and the product is waterproof, the conduction is ensured, and the grounding protection is ensured.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and the like.

Claims

1. A 180-degree split ground connector, comprising: The utility model provides a connector, including plastic body, a plurality of connector terminals, ground terminal, nut cover, a plurality of connector terminals are along the axial through the inside middle part of plastic body is set up, the inside cover of nut cover is set in the outer ring surface middle upper portion of plastic body, the ground terminal is clamped and is set in the lower outer circle of plastic body, the top of ground terminal is butt joint in the bottom of nut cover, the bottom of ground terminal is inserted on the PCB board vertically, and the bottom of plastic body and connector terminal is electrically connected PCB board respectively.

2. A 180-degree split ground connector as claimed in claim 1, wherein, The ground terminal includes a ground terminal body, an abutting block, and at least one ground spring piece. The longitudinal section of the ground terminal body is in the shape of an inverted U. The bottom of the abutting block is obliquely arranged on the top surface of the ground terminal body, and the top end of the abutting block abuts against the bottom surface of the nut cover. The top of the ground spring piece is vertically arranged on the outer ring surface of the ground terminal body, and the inner wall of the ground spring piece is clamped on the outer ring surface of the plastic body.

3. A 180-degree split ground connector as claimed in claim 2, wherein, The longitudinal section of the ground spring piece is in the shape of an inverted V.

4. A 180-degree split ground connector as claimed in claim 2, wherein, The plastic body includes a bottom step, a plurality of protrusions, and a plurality of clamping blocks. The bottom step is arranged on the lower part of the outer ring surface of the plastic body. The plurality of protrusions are vertically arranged on the upper horizontal surface of the bottom step. The plurality of clamping blocks are annularly arranged on the outer ring surface of the bottom step. The top of the plurality of protrusions passes through the horizontal part of the inverted U-shaped ground terminal body. The plurality of clamping blocks pass through the vertical part of the inverted U-shaped ground terminal body in the radial direction.

5. A 180-degree split ground connector as defined in claim 1, wherein, The upper inner thread is arranged on the upper part of the inner ring surface of the nut cover and connected with the outer ring surface of the plastic body. The bottom of the connection between the nut cover and the upper inner thread of the plastic body is sealed and connected by the upper sealing ring.

6. A 180-degree split ground connector as claimed in claim 5, wherein, The middle part of the connection between the lower part of the inner ring surface of the nut cover and the lower part of the outer ring surface of the plastic body is sealed and connected by the lower sealing ring. The lower outer thread is arranged on the lower part of the outer ring surface of the nut cover. The screw flange is arranged on the outer ring surface of the nut cover at the position of the lower sealing ring. The screw flange is threadedly connected with the lower outer thread.

7. A 180-degree split ground connector as claimed in claim 6, wherein, The convex ring is radially arranged on the outer ring surface of the nut cover at the position of the upper sealing ring. The outer sealing ring is arranged on the lower inner wall of the convex ring.

8. A 180-degree split ground connector as described in claim 1, wherein, The plurality of connector terminals include a first connector terminal and at least three second connector terminals. The first connector terminal is arranged on the center line of the plastic body. The at least three second connector terminals are circumferentially arranged on the outer periphery of the first connector terminal.

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