A shielded electrical connector

By designing a shielded electrical connector and utilizing zinc alloy materials and components, the problem of the lack of shielding function in existing cable connectors has been solved, achieving the effect of preventing electrical leakage and external interference, and improving the reliability of electrical connections.

CN224458853UActive Publication Date: 2026-07-03GUANG DONG WEIPU ELECTRICAL APPLIANCE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANG DONG WEIPU ELECTRICAL APPLIANCE CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing cable connectors lack shielding, leading to electrical leakage and external interference problems.

Method used

A shielded electrical connector was designed, which uses components such as a zinc alloy plug sleeve, a metal shielding sleeve, a circular spring coil, and a wire clamp. The plug core and the metal shielding sleeve cooperate to form an effective shielding structure to prevent electrical leakage and external interference.

Benefits of technology

It effectively prevents electrical leakage and external interference at the connection points of cables and plug cores, improving the reliability and anti-interference capability of electrical connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

A shielded electrical connector includes a socket, a plug core, a metal shield, an annular spring coil, a wire clamp body, a wire clamp, a wire clamp rubber sleeve, and a tail nut. One end of the metal shield has an annular base plate, and the other end has an annular protrusion. The wire clamp body includes an internally threaded countersunk hole, a wiring cavity, an annular partition, and a fastening cavity, with a tail thread on the fastening cavity. The plug core is located inside the socket and extends outwards. The metal shield is located inside the wiring cavity. The annular base plate fits against the countersunk hole bottom plate, and its other end mates with the annular partition. The external thread portion engages with the internally threaded countersunk hole to fix the annular base plate. The annular spring coil is located in the annular cavity formed by the partition and the annular protrusion. The wire clamp rubber sleeve is located inside the wire clamp, and the wire clamp is located in the fastening cavity. The tail nut engages with the tail thread. The metal shield is installed so that the cable and plug core wiring points are located inside the metal shield, effectively preventing electrical leakage and external interference.
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Description

Technical Field

[0001] This utility model relates to a cable connector. Background Technology

[0002] The existing technology, Chinese patent 201821511375.4, describes a cable pin connector, including a female main component, a male main component, a multi-pole core component, a wire clamp body, a wire clamp, a wire clamp rubber sleeve, and a tail nut. The wire clamp includes a head and a body, with the diameter of the body larger than the diameter of the head. The end of the body has several tightening buckles. The male main component is located inside the female main component, and the multi-pole core component is located inside the male main component. The wire clamp body is threadedly connected to the male main component. The head of the wire clamp is inserted into the external threaded head of the wire clamp body, and the tail nut is screwed into the external threaded head of the wire clamp body. The wire clamp rubber sleeve is located inside the wire clamp. The end face of the external threaded head of the wire clamp body has several positioning teeth. The end faces of the body and head of the wire clamp adjacent to each other have positioning tooth grooves. The positioning teeth and positioning tooth grooves are engaged. The problem is that it lacks shielding functionality. Utility Model Content

[0003] The purpose of this invention is to provide a shielded electrical connector that features shielding and interference prevention.

[0004] This utility model is implemented as follows: a shielded electrical connector, characterized in that it includes a plug sleeve, a plug core, a metal shielding sleeve, a circular spring ring, a wire clamp body, a wire clamp, a wire clamp rubber sleeve, and a tail nut.

[0005] One end of the plug-in sleeve is provided with an external thread.

[0006] The metal shielding sleeve has an annular base plate at one end and an annular protrusion inside the other end.

[0007] The wire clamp body includes an internally threaded countersunk hole, a wiring cavity, an annular partition, and a fastening cavity, with a tail thread on the fastening cavity;

[0008] The plug core is located inside the plug sleeve and extends outwards. The metal shielding sleeve is located inside the wiring cavity. The annular seat plate fits against the countersunk bottom plate, and the other end mates with the annular partition. The external thread part is screwed into the internal thread countersunk hole to fix the annular seat plate. The circular spring ring is located in the annular cavity formed by the partition and the annular protrusion. The wire clamp rubber is located inside the wire clamp. The wire clamp is located in the fastening cavity. The tail nut is screwed into the tail thread.

[0009] The shielded electrical connector is characterized in that: the insertion sleeve includes a head cavity, a body cavity, and a countersunk cavity, the body cavity is provided with an axial latch, and the countersunk cavity is provided with an annular groove;

[0010] The plug core includes a head, a body, and an annular protrusion on the body, the annular protrusion having an axial groove;

[0011] It also includes snap rings;

[0012] One end of the annular protrusion mates with one end of the body cavity, one end of the body extends out of the countersunk cavity, the axial latch and the axial groove are engaged, and the retaining spring is located in the annular groove and mates with one end of the annular protrusion.

[0013] The shielded electrical connector is characterized in that the insertion sleeve is made of zinc alloy.

[0014] The shielded electrical connector described above is characterized in that: one end of the annular protrusion of the metal shielding sleeve is shaped like a frustum of a cone.

[0015] One side of the annular partition is shaped like a frustum of a cone.

[0016] The annular protrusion and the annular partition form the annular cavity.

[0017] The shielded electrical connector is characterized in that the metal shielding sleeve is made of zinc alloy.

[0018] This utility model discloses a shielded electrical connector, in which a metal shielding sleeve is provided, and the cable and plug core connection points are located inside the metal shielding sleeve; effectively preventing electrical leakage and external interference. Attached Figure Description

[0019] Figure 1 This is a cross-sectional view of the present invention.

[0020] Figure 2 This is a perspective view of the present invention.

[0021] Figure 3 This is one of the exploded perspective views of this utility model.

[0022] Figure 4 This is the second exploded perspective view of this utility model.

[0023] Figure 5 This is the third exploded perspective view of this utility model. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] like Figure 1 As shown, a shielded electrical connector includes a socket 1, a plug core 2, a metal shielding sleeve 3, an annular spring coil 4, a wire clamp body 5, a wire clamp 6, a wire clamp rubber sleeve 7, and a tail nut 8.

[0027] One end of the plug-in sleeve 1 is provided with an external thread 11.

[0028] The metal shielding sleeve 3 has an annular seat plate 31 at one end and an annular protrusion 32 inside the other end;

[0029] The wire clamp body 5 includes an internally threaded countersunk hole 51, a wiring cavity 52, an annular partition 53, and a fastening cavity 54, with a tail thread on the fastening cavity 54.

[0030] The plug core 2 is located inside and extends out of the plug sleeve 1; the metal shielding sleeve 3 is located inside the wiring cavity 52; the annular seat plate 31 is fitted with the bottom plate of the internal thread countersunk hole 51; the other end is engaged with the annular partition plate 53; the external thread part 11 of the plug sleeve 1 is screwed into the internal thread countersunk hole 51 to fix the annular seat plate 31; the annular spring ring 4 is located in the annular cavity formed by the partition plate and the annular protrusion 32; the wire clamp rubber is located inside the wire clamp; the wire clamp is located in the fastening cavity; and the tail nut is screwed into the tail thread.

[0031] The fit between the wire clamp rubber, the wire clamp and the tail nut and the wire clamp body 5 has been disclosed in Chinese Patent 201821511375.4, Utility Model Title: A Cable Pin Connector.

[0032] As a further improvement to this utility model: such as Figure 4 As shown, the insertion sleeve 1 includes a head cavity 12, a body cavity 13 and a countersunk cavity 14. The body cavity 13 is provided with an axial latch 131, and the countersunk cavity 14 is provided with an annular groove 141.

[0033] The plug core 2 includes a head 21, a body 22 and an annular protrusion 23 provided on the body, the annular protrusion 23 being provided with an axial groove 231;

[0034] It also includes snap rings (not shown in the figure);

[0035] One end of the annular protrusion 23 is engaged with one end of the body cavity 13, one end of the body 22 extends out from the countersunk cavity 14, the axial latch 131 and the axial groove 231 are fitted together, and the retaining spring is provided in the annular groove 141 and engages with one end of the annular protrusion 23.

[0036] The plug sleeve 1 is made of zinc alloy.

[0037] As a further improvement of this utility model: one end of the annular protrusion 32 of the metal shielding sleeve 3 is shaped like a frustum of a cone;

[0038] One side of the annular partition 53 is shaped like a frustum of a cone.

[0039] The frustoconical end of the annular protrusion 32 and the frustoconical end of the annular partition 53 constitute the annular cavity.

[0040] The metal shielding sleeve 3 is made of zinc alloy material.

[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A shielded electrical connector, characterized by: Includes a connector sleeve, plug core, metal shielding sleeve, annular spring coil, wire clamp body, wire clamp, wire clamp rubber sleeve, and tail nut. One end of the plug-in sleeve is provided with an external thread. The metal shielding sleeve has an annular base plate at one end and an annular protrusion inside the other end. The wire clamp body includes an internally threaded countersunk hole, a wiring cavity, an annular partition, and a fastening cavity, with a tail thread on the fastening cavity; The plug core is located inside the plug sleeve and extends outwards. The metal shielding sleeve is located inside the wiring cavity. The annular seat plate fits against the countersunk bottom plate, and the other end mates with the annular partition. The external thread part is screwed into the internal thread countersunk hole to fix the annular seat plate. The circular spring ring is located in the annular cavity formed by the partition and the annular protrusion. The wire clamp rubber is located inside the wire clamp. The wire clamp is located in the fastening cavity. The tail nut is screwed into the tail thread.

2. A shielded electrical connector as claimed in claim 1, wherein: The insert sleeve includes a head cavity, a body cavity, and a countersunk cavity. The body cavity is provided with an axial latch, and the countersunk cavity is provided with an annular groove. The plug core includes a head, a body, and an annular protrusion on the body, the annular protrusion having an axial groove; It also includes snap rings; One end of the annular protrusion mates with one end of the body cavity, one end of the body extends out of the countersunk cavity, the axial latch and the axial groove are engaged, and the retaining spring is located in the annular groove and mates with one end of the annular protrusion.

3. A shielded electrical connector as recited in claim 1, wherein: The socket is made of zinc alloy.

4. The shielded electrical connector of claim 1, wherein: The annular protrusion of the metal shielding sleeve is shaped like a frustum of a cone at one end. One side of the annular partition is shaped like a frustum of a cone. The annular protrusion and the annular partition form the annular cavity.

5. The shielded electrical connector of claim 1, wherein: The metal shielding sleeve is made of zinc alloy.