CN218975954U

CN218975954U - High shielding connection structure of metal D-SUB connector

Info

Publication number: CN218975954U
Application number: CN202223587102.7U
Authority: CN
Inventors: 李玉行; 代俊华; 朱永刚
Original assignee: Kunshan Xinporter Electronic Technology Co ltd
Current assignee: Kunshan Xinporter Electronic Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-05
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a high-shielding connection structure of a metal D-SUB connector, which comprises a metal shell, the D-SUB connector arranged at the end part of the metal shell, and a wire harness body penetrating into the metal shell and connected with the D-SUB connector, wherein a wire penetrating groove is arranged at the end part of the metal shell, which is far away from the D-SUB connector, and the wire harness body comprises a plurality of wires, a braiding layer for wrapping the wires, and a sleeve sleeved outside the braiding layer; the ends of the wires extend out of the sleeve, the part of the braid, which is exposed out of the sleeve, is folded and attached to the outer wall of the sleeve, the ends of the braid are fixed by sleeving the heat shrink tube, the braid is positioned in the wire penetrating groove and contacts with the metal shell, and the wires are connected into terminal holes in the D-SUB connector. The utility model realizes the complete contact between the braiding layer and the metal shell, protects the braiding layer in all directions and improves the shielding performance.

Description

High shielding connection structure of metal D-SUB connector

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a high-shielding connection structure of a metal D-SUB connector.

Background

In various electronic systems, electrical connectors are used to electrically connect and transfer signals from device to device, from component to component, and from system to system, and are the necessary basic components to form a complete system.

The braided wire of the existing D-SUB connector is directly welded to the D-SUB connector shell, the working hours are consumed, and the braided layer is required to be twisted, trimmed, heat shrinkage tube is required to be penetrated and heat shrinkage tube is required to be baked before welding, so that the steps are more. The positions of welding spots, the amount of soldering tin and the positions of the metal wires of the braiding layers are required to be observed and held by operators during welding; if the welded part is deformed or has tin beads, tin tips or high temperature, the wire skin is retracted, and the defect of short circuit can be generated; the portion of the D-SUB connector housing that interfaces with the wires is not shielded.

Disclosure of Invention

The utility model aims to solve the technical problems and provide a high shielding connection structure of a metal D-SUB connector, thereby realizing complete contact between a braid and a metal shell, realizing omnibearing protection and improving shielding performance. In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a metal D-SUB connector high shielding connection structure, includes metal casing, the D-SUB connector that sets up in the metal casing tip, and penetrate the metal casing and connect the pencil body of D-SUB connector, the metal casing deviates from the tip of D-SUB connector and is provided with the wire casing, the pencil body includes a plurality of wires, wraps up the weaving layer of a plurality of wires, and the sleeve pipe of suit in the weaving layer outside; the ends of the wires extend out of the sleeve, the part of the braid, which is exposed out of the sleeve, is folded and attached to the outer wall of the sleeve, the ends of the braid are fixed by sleeving the heat shrink tube, the braid is positioned in the wire penetrating groove and contacts with the metal shell, and the wires are connected into terminal holes in the D-SUB connector.

Specifically, the tip of metal casing is the toper structure, the diameter of the wire casing that wears of metal casing is fit for with the diameter size of sleeve pipe.

Specifically, the both sides of metal casing are provided with respectively and are used for installing fixed hand tightening bolt.

Specifically, the D-SUB connector comprises a connector shell, a terminal hole arranged at one end of the connector shell and used for accessing wires, and a socket arranged at the other end of the connector shell and used for inserting equipment, wherein a plurality of connecting pins are arranged inside the socket.

Specifically, slots which are symmetrically arranged are respectively arranged on two sides of the metal shell, and the connector shell is in plug-in fit with the slots.

Compared with the prior art, the high shielding connection structure of the metal D-SUB connector has the following main beneficial effects:

the braiding layer is completely contacted with the metal shell, so that the shielding performance is improved; the welding process is eliminated, various hidden dangers caused by welding are eliminated, and the quality is improved; the working procedure is simpler, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of a metal shell according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a wire harness in the present embodiment;

the figures represent the numbers:

1 metal shell, 11 wire through slot, 12 slot, 2D-SUB connector, 21 connector shell, 22 socket, 23 connecting needle, 24 shrapnel, 3 harness body, 31 wire, 32 braid, 33 sleeve, 34 heat shrinking tube, 4 hand tightening bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, but is apparent to those skilled in the art in view of the present utility model.

Examples:

referring to fig. 1-2, the present embodiment is a high shielding connection structure of a metal D-SUB connector, comprising a metal housing 1, a D-SUB connector 2 disposed at an end of the metal housing 1, and a harness body 3 penetrating the metal housing 1 and connecting the D-SUB connector 2; the end of the metal shell 1, which is away from the D-SUB connector 2, is provided with a wire harness groove 11, and the wire harness body 3 comprises a plurality of wires 31, a braiding layer 32 for wrapping the wires 31, and a sleeve 33 sleeved outside the braiding layer 32; the ends of the wires 31 extend out of the sleeve 33, the part of the braid 32, which is exposed out of the sleeve 33, is folded and attached to the outer wall of the sleeve 33, and is sleeved with a heat shrink tube 34 to fix the ends of the braid 32, the braid 32 is positioned in the wire through slot 11 and contacts the metal shell 1, and the wires 31 are connected into terminal holes in the D-SUB connector 2.

In this embodiment, the metal casing 1 is a top-bottom casing cover structure, the end of the metal casing 1 is a conical structure, and the diameter of the threading slot 11 of the metal casing 1 is adapted to the diameter of the sleeve 33.

The two sides of the metal shell 1 are respectively provided with a hand tightening bolt 4 for installation and fixation.

The D-SUB connector 2 includes a connector housing 21, a terminal hole for accessing the wire 31 provided at one end of the connector housing 21, and a socket 22 for inserting a device provided at the other end of the connector housing 21, a plurality of connection pins 23 being provided inside the socket 22 for transmitting signals. The outer wall of the socket 22 is provided with a plurality of spring plates 24 for stable plugging.

The two sides of the metal shell 1 are respectively provided with symmetrically arranged slots 12, and the connector shell 21 is in plug-in fit with the slots 12, so that the connector shell 21 is stably embedded in the metal shell 1. One end of the hand tightening bolt 4 is exposed out of the metal shell 1, the other end of the hand tightening bolt 4 penetrates through the metal shell 1 and the connector shell 21, and the threaded end of the hand tightening bolt 4 penetrates out of the connector shell 21 and is arranged on the same side with the socket 22. The threaded end of the hand-tightened bolt 4 is used to stably attach the metal housing 1 to the corresponding device.

When the embodiment is applied, the braid 32 is completely contacted with the metal shell 1, so that the omnibearing protection is realized, and the shielding performance is improved; the welding process is eliminated, various hidden dangers caused by welding are eliminated, and the quality is improved; the working procedure is simpler, and the assembly efficiency is improved.

In the description of the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.

Claims

1. The utility model provides a high shielding connection structure of metal D-SUB connector, includes metal casing, sets up in the D-SUB connector of metal casing tip, and penetrates the pencil body of metal casing and connection D-SUB connector, its characterized in that: the end part of the metal shell, which is far away from the D-SUB connector, is provided with a wire harness groove, and the wire harness body comprises a plurality of wires, a braiding layer for wrapping the wires and a sleeve sleeved outside the braiding layer; the ends of the wires extend out of the sleeve, the part of the braid, which is exposed out of the sleeve, is folded and attached to the outer wall of the sleeve, the ends of the braid are fixed by sleeving the heat shrink tube, the braid is positioned in the wire penetrating groove and contacts with the metal shell, and the wires are connected into terminal holes in the D-SUB connector.

2. The high shield connection structure of a metal D-SUB connector according to claim 1, wherein: the end part of the metal shell is of a conical structure, and the diameter of the wire penetrating groove of the metal shell is matched with the diameter of the sleeve.

3. The high shield connection structure of a metal D-SUB connector according to claim 1, wherein: two sides of the metal shell are respectively provided with a hand tightening bolt for installation and fixation.

4. The high shield connection structure of a metal D-SUB connector according to claim 1, wherein: the D-SUB connector comprises a connector shell, a terminal hole arranged at one end of the connector shell and used for accessing wires, and a socket arranged at the other end of the connector shell and used for inserting equipment, wherein a plurality of connecting pins are arranged inside the socket.

5. The high shield connection structure of a metal D-SUB connector according to claim 4, wherein: the two sides of the metal shell are respectively provided with symmetrically arranged slots, and the connector shell is in plug-in fit with the slots.