Firm DC Jack connector

Abstract

The utility model provides a firm DC Jack connector. The firm DC Jack connector comprises a plastic main body and a central terminal, the connector also comprises a fixed terminal. Mounting sleeves are respectively arranged on the left side and the right side of the plastic main body; an insertion hole is formed in the center of the plastic main body; the rear end of the plugging hole is provided with a through hole for the central terminal to extend out. A slot communicated with the through hole is formed in the plastic main body corresponding to the lower part of the through hole; an annular clamping groove is formed in the position, corresponding to the slot, in the central terminal; a knurling groove is formed in the connecting position of the central terminal and the through hole; the fixed terminal is of a U-shaped structure; the fixed terminal is inserted into the slot and clamped into the annular clamping groove of the central terminal, and the fixed terminal is stable in structure, can be stably installed on a panel mechanism, and can effectively prevent the central terminal from rotating and axially advancing and retreating.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, and particularly relates to a rugged DC Jack connector. Background Art

[0002] The DC Jack connector is a commonly used connector at present, and the connector still has the following defects: (1) The existing DC Jack PCB assembly cannot be fixed on the panel mechanism due to insufficient space; (2) The central terminal in the DC Jack connector will rotate; (3) The central terminal is not clamped in the axial direction, and there will be a defect of moving backward in the axial direction during use. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a rugged DC Jack connector to solve the problems mentioned in the background art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A rugged DC Jack connector includes a plastic main body and a central terminal; it further includes a fixed terminal; mounting sleeves are respectively arranged on the left and right sides of the plastic main body; a plug hole is arranged in the center of the plastic main body; a through hole for the central terminal to extend out is arranged at the rear end of the plug hole; a slot communicated with the through hole is arranged below the through hole on the plastic main body; an annular clamping groove is arranged at the position of the central terminal corresponding to the slot; a knurled groove is arranged at the connection position of the central terminal and the through hole; the fixed terminal is in a "U" shape; the fixed terminal is inserted into the slot and clamped on the annular clamping groove of the central terminal.

[0006] For further description of the utility model, it further includes an iron shell; two strip-shaped jacks distributed left and right are arranged on the plastic main body; the iron shell is installed above the plastic main body and both ends pass through the strip-shaped jacks and are riveted to the bottom of the plastic main body.

[0007] For further description of the utility model, a bent piece is arranged at the middle position of the iron shell; a buckle groove is arranged at the position of the plastic main body corresponding to the bent piece; the bent piece is buckled into the buckle groove.

[0008] For further description of the utility model, it further includes a switch terminal; a switch terminal installation groove is arranged on the outer periphery of the through hole corresponding to the rear side of the plastic main body; the switch terminal is installed in the switch terminal installation groove.

[0009] For further description of the utility model, it further includes a signal terminal; a signal terminal installation groove is arranged beside the through hole corresponding to the rear side of the plastic main body; the signal terminal is installed in the signal terminal installation groove.

[0010] For a further description of the present utility model, the opening of the mounting sleeve faces the front side.

[0011] The beneficial effects of the present utility model are as follows:

[0012] (1) Mounting sleeves are provided on both the left and right sides of the plastic main body of this design and are fixed to the panel mechanism by screws, which enhances the strength of the PCB assembly.

[0013] (2) Knurled grooves are provided on the center terminal to cooperate with the through holes, increasing the friction force to prevent the center terminal from rotating.

[0014] (3) The fixed terminal is installed in the slot and snapped into the annular slot of the center terminal to prevent the axial movement of the center terminal and play a fixing role. Description of the Drawings

[0015] Figure 1 is the overall structure diagram of the present utility model;

[0016] Figure 2 is the overall structure diagram of the present utility model in another direction;

[0017] Figure 3 is the exploded view of the present utility model;

[0018] Figure 4 is the structure diagram before the assembly of the center terminal and the fixed terminal of the present utility model;

[0019] Figure 5 is the structure diagram after the assembly of the center terminal and the fixed terminal of the present utility model. Detailed Embodiments

[0020] The following further describes the present utility model in conjunction with the drawings:

[0021] Such as Figures 1-5As shown in the figure, a rugged DC Jack connector includes a plastic body 1 and a center terminal 2; it also includes a fixed terminal 3; mounting sleeves 11 are respectively provided on the left and right sides of the plastic body 1; a socket hole 12 is provided in the center of the plastic body 1; a through hole 13 for the center terminal 2 to extend out is provided at the rear end of the socket hole 12; a slot 14 communicating with the through hole 13 is provided below the through hole 13 on the plastic body 1; an annular clamping groove 21 is provided at the position corresponding to the slot 14 in the center terminal 2; a knurled groove 22 is provided at the connection position between the center terminal 2 and the through hole 13; the fixed terminal 3 is of a "U" - shaped structure; the fixed terminal 3 is inserted into the slot 14 and clamped onto the annular clamping groove 21 of the center terminal 2; the plastic body 1 is fixedly installed on the panel mechanism by locking screws at the positions of the mounting sleeves 11, providing an installation space and enhancing the strength of the PCB assembly. A knurled groove 22 is provided on the center terminal 2 to effectively interfere between the terminal and the through hole 13 of the plastic body 1, preventing the center terminal 2 from rotating. The fixed terminal 3 is inserted into the slot 14 and clamped into the annular clamping groove 21 to prevent the axial movement of the center terminal 2, realizing the fixation of the center terminal 2.

[0022] It also includes an iron shell 4; two strip - shaped jacks 14 are provided on the plastic body 1 and are distributed left and right; the iron shell 4 is installed above the plastic body 1 and both ends pass through the strip - shaped jacks 14 and are riveted to the bottom of the plastic body 1. The design of the iron shell 4 plays functions such as enhancing strength, protection, and shielding interference.

[0023] A bent piece 41 is provided at the middle position of the iron shell 4; a buckle groove 15 is provided at the position corresponding to the bent piece 41 on the plastic body 1; the bent piece 41 is buckled into the buckle groove 15, which improves the installation stability of the iron shell 4.

[0024] It also includes a switch terminal 5; a switch - terminal installation groove 16 is provided on the rear side of the plastic body 1 corresponding to the outer periphery of the through hole 13; the switch terminal 5 is installed in the switch - terminal installation groove 16. The design of the switch terminal 5 is used for circuit on - off control.

[0025] It also includes a signal terminal 6; a signal - terminal installation groove 17 is provided on the rear side of the plastic body 1 corresponding to the side of the through hole 13; the signal terminal 6 is installed in the signal - terminal installation groove 17. The design of the signal terminal 6 is used for signal transmission.

[0026] The opening 111 of the mounting sleeve 11 faces the front side. The head of the screw is installed inside the opening 111, and the tail passes through the mounting sleeve 11 and is locked and fixed on the panel mechanism.

[0027] The above does not impose any limitation on the technical scope of the present invention. Any modification, equivalent change, and modification made to the above - mentioned embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A rugged DC Jack connector, comprising a plastic body and a center terminal; characterized in that: It further includes fixed terminals; mounting sleeves are respectively provided on the left and right sides of the plastic body; a plug hole is provided at the center of the plastic body; a through hole for the center terminal to extend out is provided at the rear end of the plug hole; a slot communicated with the through hole is provided below the through hole on the plastic body; an annular clamping groove is provided at the position corresponding to the slot in the center terminal; a knurled groove is provided at the connection position between the center terminal and the through hole; the fixed terminal is of a "U" - shaped structure; the fixed terminal is inserted into the slot and clamped onto the annular clamping groove of the center terminal.

2. The ruggedized DC Jack connector according to claim 1, wherein: It further includes an iron shell; two strip - shaped jacks are provided on the plastic body in a left - right distribution; the iron shell is installed above the plastic body and both ends pass through the strip - shaped jacks and are riveted to the bottom of the plastic body.

3. The ruggedized DC Jack connector according to claim 2, wherein: A bent piece is provided at the middle position of the iron shell; a buckle groove is provided on the plastic body at the position corresponding to the bent piece; the bent piece is buckled into the buckle groove.

4. The ruggedized DC Jack connector according to claim 1, wherein: It further includes a switch terminal; a switch terminal mounting groove is provided on the outer periphery of the through hole corresponding to the rear side of the plastic body; the switch terminal is installed in the switch terminal mounting groove.

5. A rugged DC Jack connector according to claim 1, characterized in that: It further includes a signal terminal; a signal terminal mounting groove is provided beside the through hole corresponding to the rear side of the plastic body; the signal terminal is installed in the signal terminal mounting groove.

6. The ruggedized DC Jack connector according to claim 1, wherein: The opening of the mounting sleeve faces the front side.

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