CN219696835U - Shielding assembly - Google Patents

Abstract

The utility model discloses a shielding assembly, which comprises a shielding piece, an insulator and a contact piece, wherein the contact piece is arranged in the insulator, the insulator is arranged in the shielding piece, a limiting groove is formed in the outer circumference of the insulator, a limiting convex hull is arranged on the inner side wall of a cylinder body of the shielding piece and is clamped in the limiting groove, an inward-protruding elastic barb is further arranged on the shielding piece and is positioned at the front end of the limiting groove, a step end face is arranged on the insulator, and the end part of the elastic barb is abutted against the step end face. The beneficial effects of the utility model are as follows: the shielding piece is provided with an elastic barb which plays a role in stopping the insulator in the assembly process, so that the insulator is effectively positioned in the assembly process and the terminal; and the shielding piece is additionally provided with a limiting convex hull, so that the installation stability of the insulator is ensured.

Description

Shielding assembly

Technical Field

The present utility model relates to a male end of an electrical connector, and more particularly to a shielding assembly.

Background

The terminal is applied to the connector, plays the roles of mechanical functions such as fixing and supporting, and also plays the roles of shielding, grounding, impedance matching and the like, and is a key part of the connector. The existing product and the insulator matched with the existing product are weak in positioning and high in risk of axial movement; the reliability of the contact between the terminal and the male shield fluctuates.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a shielding assembly.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a shielding subassembly, including shield, insulator and contact, the contact is installed in the insulator, and the insulator is installed in the shield, has seted up spacing groove on the outer circumference of insulator, is provided with spacing convex closure on the barrel inside wall of shield, and spacing convex closure card is in spacing inslot, still is provided with inwards bellied elasticity barb on the shield, and elasticity barb is located the front end of spacing groove, has the step terminal surface on the insulator, the tip and the step terminal surface butt of elasticity barb.

Optionally, the front end barrel of the shielding piece is of a necking structure, a plurality of splitting grooves are formed in the front end barrel of the shielding piece, and an elastic sheet is formed between two adjacent splitting grooves.

Optionally, the front end of the spring plate is turned outwards, and a contact convex hull is arranged at the bending position of the spring plate.

Optionally, the contact is connected with the heart yearn of cable, and the heart yearn that exposes on the cable is located the rear end cavity of shield, and the heart yearn that exposes passes through the shielding ring parcel, and the shielding layer of cable passes from the inlayer of shielding ring and buckle backward, and is pressed and connects between shield and shielding ring.

Optionally, the middle cylinder of the shielding piece is provided with a limiting groove, and the limiting convex hull is positioned on the inner side wall of the cylinder where the limiting groove is positioned.

Optionally, the number of the splitting grooves is four, and the splitting grooves are uniformly distributed on the same circumference.

The utility model has the following advantages: according to the shielding component disclosed by the utility model, the elastic barbs are arranged on the shielding piece and play a role in stopping the insulator in the assembly process, so that the insulator is effectively positioned in the assembly process and the terminal; and the shielding piece is additionally provided with a limiting convex hull, so that the installation stability of the insulator is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a shield;

FIG. 3 is a schematic diagram of an insulator structure;

fig. 4 is a schematic view of the shielding assembly installed in the housing of the male connector;

in the figure, 1-shielding piece, 2-insulator, 11-spacing convex hull, 12-elasticity barb, 13-throat structure, 14-contact convex hull, 15-cable, 16-shielding ring, 17-shielding layer, 21-step terminal surface, 22-spacing recess.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a shielding assembly comprises a shielding member 1, an insulator 2 and contact members, wherein the contact members are arranged in the insulator 2, the insulator 2 is arranged in the shielding member 1, as shown in fig. 3, a limiting groove is formed in the outer circumference of the insulator 2, as shown in fig. 2, a limiting convex hull 11 is arranged on the inner side wall of a cylinder body of the shielding member 1, the limiting convex hull 11 is clamped in the limiting groove, the shielding member 1 is further provided with elastic barbs 12 protruding inwards, the elastic barbs 12 are positioned at the front end of the limiting groove, preferably, the number of the elastic barbs 12 is two and uniformly distributed on the same circumference, the end parts of the elastic barbs 12 are abutted with the step end surfaces 21, when the insulator 2 is arranged, the contact members are firstly arranged in the insulator 2, then the insulator 2 is arranged in the shielding member 1, when the insulator 2 is arranged, the insulator 2 is inserted into the shielding member 1, the insulator 2 is contacted with the elastic barb 12 so as to deform the elastic barb 12, the shielding piece 1 is manufactured by punching and then rounding, an axial gap is formed on the outer side wall of the shielding piece 1, along with continuous insertion of the insulator 2, after the end face of the insulator 2 is contacted with the limit convex hull 11, the insulator 2 applies external force to the limit convex hull 11 so as to open the shielding piece 1, thereby facilitating continuous insertion of the insulator 2, preferably, the cross section of the limit convex hull 11 is of an arc structure with high middle and low two sides, thereby facilitating insertion of the insulator 2, when the limit convex hull 11 enters the limit groove position, the limit convex hull 11 is clamped in the limit groove, the step end face 21 passes over the elastic barb 12, the elastic barb 12 is reset, preferably, the end part of the elastic barb 12 is abutted with the step end face 21, through the joint of spacing convex closure 11 and spacing groove, can realize that insulator 2 is fixed axially relative shield 1, be provided with elasticity barb 12 moreover, can play the stopping effect to insulator 2.

In this embodiment, as shown in fig. 2, the front end cylinder of the shielding member 1 is a necking structure 13, and a plurality of splitting grooves are formed on the front end cylinder of the shielding member 1, and an elastic sheet is formed between two adjacent splitting grooves, preferably, the splitting grooves are four and uniformly distributed on the same circumference, when the shielding member is spliced with the housing, the housing expands the elastic sheet, the elastic sheet can generate elastic restoring force, and the elastic sheet contacts with the housing under the action of the elastic restoring force, so that the contact performance of the housing and the elastic sheet is ensured, the shielding performance of the shielding member is further ensured, the front end of the elastic sheet is turned outwards, and the contact convex hulls 14 are arranged at the bending positions of the elastic sheet, and the contact convex hulls 14 are always contacted with the housing under the action of the elastic restoring force of the elastic sheet, so that the contact reliability of the shielding member 1 and the housing is ensured.

In this embodiment, as shown in fig. 1, the contact is connected with the core wire of the cable 15, the exposed core wire on the cable 15 is located in the rear end cavity of the shielding member 1, the exposed core wire is wrapped by the shielding ring 16, and the shielding layer 17 of the cable 15 passes through the inner layer of the shielding ring 16 and is bent backwards, and is crimped between the shielding member 1 and the shielding ring 16, so that the shielding layer 17 is in contact with the shielding member 1, and conduction between the shielding layer 17 and the shielding ring 16 is realized, thereby ensuring the shielding performance of the shielding assembly price.

In this embodiment, as shown in fig. 2, the middle barrel of the shielding member 1 is provided with a limiting groove 22, the limiting convex hull 11 is located on the inner side wall of the barrel where the limiting groove 22 is located, as shown in fig. 4, after the shielding member 1 is installed in the housing of the male connector, the male connector can be provided with a locking block, so that the limiting arm of the locking block is clamped in the limiting groove 22, thereby ensuring the stability of the shielding member 1 relative to the male connector in the axial direction.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A shielding assembly comprising a shield, an insulator and a contact, the contact being mounted in the insulator, the insulator being mounted in the shield, characterized in that: the insulator is characterized in that a limit groove is formed in the outer circumference of the insulator, a limit convex hull is arranged on the inner side wall of the barrel of the shielding piece, the limit convex hull is clamped in the limit groove, an inward protruding elastic barb is further arranged on the shielding piece, the elastic barb is located at the front end of the limit groove, a step end face is arranged on the insulator, and the end portion of the elastic barb is abutted to the step end face.

2. A shielding assembly according to claim 1, wherein: the front end barrel of the shielding piece is of a necking structure, a plurality of splitting grooves are formed in the front end barrel of the shielding piece, and elastic pieces are formed between two adjacent splitting grooves.

3. A shielding assembly according to claim 2, wherein: the front end of the elastic sheet is turned outwards, and a contact convex hull is arranged at the bending position of the elastic sheet.

4. A shielding assembly according to any one of claims 1-3, wherein: the contact is connected with the core wire of the cable, the exposed core wire on the cable is positioned in the rear end cavity of the shielding piece, the exposed core wire is wrapped by the shielding ring, and the shielding layer of the cable penetrates through the inner layer of the shielding ring and bends backwards and is crimped between the shielding piece and the shielding ring.

5. A shielding assembly according to claim 1, wherein: the middle cylinder of the shielding piece is provided with a limiting groove, and the limiting convex hull is positioned on the inner side wall of the cylinder where the limiting groove is positioned.

6. A shielding assembly according to claim 2, wherein: the number of the splitting grooves is four, and the splitting grooves are uniformly distributed on the same circumference.