CN212011467U

CN212011467U - Partitioned shielded connector

Info

Publication number: CN212011467U
Application number: CN202020797514.5U
Authority: CN
Inventors: 陈铁成
Original assignee: Xiamen Wain Electrical Co ltd
Current assignee: Xiamen Wain Electrical Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-24
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a subregion shielding connector, insert body, base and back lid including plug shell, base shell, plug. The plug shell, the base shell and the rear cover are all made of EMC shielding materials, and an EMC shielding cavity with a lead outlet is formed after the plug shell, the base shell and the rear cover are fixedly connected; the electromagnetic shielding piece that EMC shielding material made is equipped with in the EMC shielding chamber, and the electromagnetic shielding piece cuts off EMC shielding chamber for two at least independent cavitys. The partitioned shielding connector enables cable signals in the connector shell not to be interfered by the outside, is high in sealing degree and good in EMC shielding effect, and meanwhile separates the EMC shielding cavity into at least two independent cavities through the electromagnetic partition sheet.

Description

Partitioned shielded connector

Technical Field

The utility model relates to a cable junction technical field especially relates to a subregion shielded connector.

Background

A cable is generally formed by twisting several or several groups of conductors, each group of conductors being insulated from each other and twisted around a center, the entire outer surface being covered with a highly insulating covering, the cable having internal current-carrying, external insulation characteristics. The cable connector is an important part for cable installation, is mainly suitable for signal transmission between internal connections and distribution frames of various digital program control exchanges and photoelectric transmission equipment of transmission equipment, and is used for transmitting communication equipment such as data, audio, video and the like.

Due to the characteristic of the cable that can be used for transmitting signals, in order to prevent signals from being interfered, the existing cable is externally wrapped with a cable shielding net for performing EMC (Electromagnetic Compatibility) shielding. EMC shielding means that an electronic device does not interfere with other devices and is not affected by other devices. Electromagnetic compatibility, as is well known for safety, is one of the most important indicators of product quality, and shields are typically used to reduce the field strength from certain sources, and may be made of metals such as copper, aluminum, steel, and the like.

Because signal interaction lines are increasingly complex, cable connectors are often used for connecting two or even multiple groups of cables, and the existing cable connectors are often provided with only an EMC shield on a housing and are not provided with an EMC shield between cables of different groups, so that mutual electromagnetic interference is easily generated between cables of different groups, the quality of signals is affected, the signals transmitted by the cables are distorted, and the transmission of information is seriously affected.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a shielded connector with partitions for solving the problem of electromagnetic interference between cables of different groups.

The utility model discloses a realize through following technical scheme:

a shielded connector, comprising: the plug comprises a plug shell, a base shell, a plug insert, a base insert and a rear cover, wherein the plug insert is inserted in the plug shell; the plug shell, the base shell and the rear cover are all made of EMC shielding materials, and an EMC shielding cavity with a lead outlet is formed after the plug shell, the base shell and the rear cover are fixedly connected; the electromagnetic shielding piece that EMC shielding intracavity was equipped with EMC shielding material and made, the electromagnetic shielding piece will EMC shielding chamber cuts off for two at least independent cavitys.

Furthermore, the plug insert is inserted into the plug shell, the base insert is inserted into the base shell, the plug insert is provided with a partition sheet made of an EMC shielding material, and the base shell is provided with a raised partition rib; the plug shell with during base shell fixed connection, partition piece with it forms to cut off the muscle and be connected electromagnetism partition piece, and will EMC shields the chamber and cuts off for two at least independent cavitys.

Furthermore, the base shell is provided with a base side wall which surrounds the side surface of the base plug-in body, and the plug shell is provided with a plug side wall which surrounds the side surface of the plug-in body; when the plug shell is fixedly connected with the base shell, the side wall of the base is inserted into the groove between the side wall of the plug and the plug inserting body.

Furthermore, two partition grooves for inserting the partition pieces are arranged in the plug shell, and the two partition grooves are arranged at the symmetrical positions of two sides of the symmetrical surface of the plug shell.

Furthermore, the rear cover, the plug shell and the base shell are all conducted with a grounding wire.

Further, the grounding device also comprises a grounding screw, wherein the grounding screw comprises a screw and a grounding elastic sheet which are made of conductive materials and are electrically conducted with each other; a grounding female pin is arranged in the plug inserting body, a grounding male pin is electrically connected to the base shell, the grounding wire is fixed to the inner side wall of the grounding female pin through the screw, and the grounding male pin is inserted into the grounding female pin; the grounding elastic sheet is respectively abutted with the rear cover and the plug shell.

Further, still include the opening shield ring of making by EMC shielding material, be equipped with one or two cable interface on the side of plug housing, the lateral wall of opening shield ring with the inside wall looks butt of cable interface, be equipped with the bellied jack catch to its axle center direction on the inside wall of opening shield ring, the jack catch with the cable shielding net looks butt of the cable in the cable interface.

Furthermore, a sealing gasket is arranged between the rear cover and the plug shell; the outer side wall of the cable connector is in threaded connection with a nut, and a sealing ring is arranged between the nut and the plug shell.

Furthermore, be equipped with the screw hole on the plug shell, be equipped with its bellied boss to the axle center direction on the inside wall of plug shell, cover after and be equipped with a screw thread through-hole, just back lid bottom be equipped with boss matched with trip, the back lid is fixed in through trip and screw thread nail on the plug shell.

Furthermore, an elastic buckle is arranged on the side surface of the plug insert body, a convex block is arranged on the elastic buckle, and an inner groove matched with the convex block is formed in the inner side wall of the plug shell; the inside wall of base shell is equipped with the base boss, the side of base inserted body be equipped with base boss assorted base trip.

The utility model discloses a plug shell, base shell and the back lid of making by EMC shielding material have formed an EMC shielding chamber, and the while is shielding the intracavity at EMC and is setting up electromagnetism partition panel, shields the chamber through electromagnetism partition panel with this EMC and keeps apart into two at least independent cavitys, and it has following advantage:

through EMC shielding chamber for the cable signal in the connector housing can not be suffered from outside interference, and the leakproofness is high, and EMC shielding effect is good. The EMC shielding cavity is separated into at least two independent cavities through the electromagnetic partition sheet, when the cable connector is connected with two groups of cables, lines in the two independent shielding cavities cannot interfere with each other, and signals are not prone to distortion. This technical scheme has realized that a connector connects more than one cable simultaneously, has reached the effect of a plurality of connectors, and is small, has practiced thrift the space.

Drawings

Fig. 1 is an exploded view of an embodiment of the shielded connector of the present invention;

fig. 2 is an overall schematic view of another embodiment of the partition shield connector of the present invention.

Fig. 3 is an overall schematic view of an embodiment of the partition shield connector of the present invention;

FIG. 4 is a schematic view of the base housing and the base insert after they are fixedly connected;

FIG. 5 is a schematic view of the plug housing and plug insert after they are fixedly connected;

FIG. 6 is a top view of the base housing and base insert fixedly connected;

fig. 7 is a schematic sectional view of the partitioned shield connector of the present invention;

fig. 8 is a schematic view of the center opening shield ring of the present invention;

fig. 9 is a schematic diagram of the inner side wall of the middle opening shielding ring of the present invention;

FIG. 10 is a schematic structural view of a ground screw;

FIG. 11 is a schematic cross-sectional view of the plug housing and plug insert after secure connection;

FIG. 12 is a schematic cross-sectional view of the base housing and base insert after secure attachment;

FIG. 13 is an assembled view of the rear cover;

FIG. 14 is a schematic cross-sectional view of a plug housing;

FIG. 15 is a schematic cross-sectional view of the plug insert;

FIG. 16 is a cross-sectional view of a base insert;

FIG. 17 is a schematic cross-sectional view of a base housing;

fig. 18 is a schematic structural view of a plug housing.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a plug housing; 110. a plug side wall; 120. a boss; 130. a blocking groove; 140. an inner tank; 200. a base housing; 210. a base sidewall; 220. a base boss; 300. a plug insert body; 310. a ground female pin; 320. a raised block; 330. elastic buckles; 340. a first region; 350. a second region; 400. a base insert; 410. a grounding male pin; 420. a base clamping hook; 500. a rear cover; 510. a hook is clamped; 600. an open shield ring; 610. a claw; 700. a nut; 710. a seal ring; 810. a partition panel; 820. separating ribs; 900. a grounding screw; 910. a screw; 920. a grounding elastic sheet; 930. and a ground line.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the present invention provides a shielded connector, which includes a plug housing 100, a base housing 200, a plug insert 300, a base insert 400 and a rear cover 500, wherein the plug insert 300 is inserted into the plug housing 100, and the base insert 400 is inserted into the base housing 200; the plug housing 100, the base housing 200 and the rear cover 500 are all made of EMC shielding material, the base housing 200 is provided with a base sidewall 210 surrounding the side of the base insert 400, and the plug housing 100 is provided with a plug sidewall 110 surrounding the side of the plug insert 300; when the plug housing 100 is fixedly connected to the base housing 200, the base sidewall 210 is inserted into the groove between the plug sidewall 110 and the plug insert 300. The plug housing 100, the base housing 200 and the rear cover 500 are fixedly connected to form an EMC shielding cavity with a lead outlet, and the EMC shielding cavity is used for wrapping cables inside the housing and avoiding electromagnetic interference from the outside; the plug insert 300 is provided with a partition sheet 810 made of an EMC shielding material, the base housing 200 is provided with a raised partition rib 820, when the plug housing 100 is fixedly connected with the base housing 200, the partition sheet 810 and the partition rib 820 are mutually abutted and are jointly connected to form an electromagnetic partition sheet, and the electromagnetic partition sheet partitions an EMC shielding cavity into two independent cavities.

The EMC shield material in this embodiment is made of a metal material such as copper, aluminum, or steel, or may be made of other conductive materials.

This embodiment cuts off the design to two kinds of cables, and divides two outlet outlets to be qualified for the next round of competitions, mutual noninterference. The concrete structure is as follows: at the plug end, the partition sheet 810 is adopted to be tightly matched with the metal plug shell 100, so that two areas of the plug end are partitioned; at the base end, the base shell 200 made of metal material is used for realizing partition, the base shell 200 is provided with a raised partition rib 820, and partition isolation is realized through the partition rib 820; when the plug is plugged, the partition piece 810 at the plug end is in contact with the partition rib 820 at the base end, so that the EMC shielding cavity is partitioned into two cavities, signals at two ends are not interfered with each other, and the stability of signal transmission is ensured.

The base sidewall 210 is annularly wrapped around the base insert 400, the plug sidewall 110 also wraps around the plug insert 300, and when the plug and base are mated, the plug sidewall 110 wraps around the base sidewall 210, so that the connector is completely shielded as a whole.

Through EMC shielding cavity for the cable signal in the connector shell can not be suffered from outside interference, and the double-deck structure setting of plug lateral wall 110 and base lateral wall 210 makes the leakproofness of connector high, and EMC shielding effect is good. The EMC shielding cavity is separated into at least two independent cavities through the electromagnetic partition sheet, when the cable connector is connected with two groups of cables, lines in the two independent shielding cavities cannot interfere with each other, and signals are not prone to distortion.

This technical scheme has realized that a connector connects more than one cable simultaneously, has reached the effect of a plurality of connectors, has avoided the space that uses a plurality of connectors to bring to occupy, has small and exquisite handy advantage.

Specifically, referring to fig. 18, two blocking grooves 130 into which the blocking pieces are inserted are provided in the plug housing 100, and the two blocking grooves 130 are provided at mutually symmetrical positions on both sides of a symmetrical plane of the plug housing 100. The space occupied by the two EMC shielding cavities which are separated is generally different, so that the two separating grooves 130 which are symmetrically arranged can facilitate the insertion of two plug inserts 300 in different directions, and the flexibility of the connector is enhanced.

Referring to fig. 5 and 6, in the plug insert 300, the two areas are divided into a first area 340 and a second area 350, and are separated by a partition, so that the first area 340 and the second area 350 do not interfere with each other. Because the volume occupied by the first region 340 is larger than that occupied by the second region 350, two symmetrical partition grooves 130 are provided, two plug inserts 300 in different directions can be flexibly inserted into the plug housing 100, and the double-shielding effect is realized. The first area and the second area may be signal areas or power areas, which may be determined according to actual applications.

Further, referring to fig. 10, 11 and 12, the connector further includes a grounding screw 900, the grounding screw 900 includes a screw 910 and a grounding spring 920, which are made of conductive material and are electrically connected to each other; the plug body 300 is internally provided with a grounding female pin 310, the base shell 200 is electrically connected with a grounding male pin 410, a grounding wire 930 is fixed at the position of the inner side wall of the grounding female pin 310 through a screw 910, and the grounding male pin 410 is inserted on the grounding female pin 310; the grounding elastic sheet 920 is respectively abutted against the rear cover 500 and the plug housing 100. With the above structure, the ground wire 930, the rear cover 500, the plug housing 100, and the base housing 200 are all connected to be electrically conductive.

It should be noted that, the screw 910 and the grounding elastic sheet 920 are integrally formed, the grounding elastic sheet 920 is a bent and elastic metal elastic sheet, when the screw 910 is screwed on the grounding female pin 310, the inner side surface of the grounding elastic sheet 920 is abutted and conducted with the inner side of the plug-in housing made of a metal material, and after the rear cover 500 is installed, the bottom of the rear cover 500 made of a metal material is extruded and conducted with the outer side surface of the grounding elastic sheet 920; further, the effect of grounding the socket housing, the rear cover 500, and the base housing 200 is achieved.

Further, referring to fig. 8 and 9, the utility model discloses technical scheme still includes the opening shield ring 600 of making by EMC shielding material, is equipped with two cable connectors on plug housing 100's the side, and opening shield ring 600's lateral wall and cable connector's inside wall looks butt are equipped with on opening shield ring 600's the inside wall to its axle center direction bellied jack catch 610, jack catch 610 and the cable shield net looks butt of the intraoral cable of cable connector.

In this embodiment, two cable ports for cable penetration are formed on the side of the plug housing 100. While in other embodiments the sides of the plug housing 100 are not limited to two cable ports, and with reference to fig. 2, they may be one or more cable ports.

When the opening shielding ring 600 made of the metal material passes through the cable interface, the outer side wall of the opening shielding ring 600 is extruded by the inner side wall of the cable interface, the clamping jaw 610 of the opening shielding ring 600 firstly contacts with the cable shielding net and then generates plastic deformation, so that the clamping jaw 610 is tightly attached to the cable shielding net, and at the moment, the outer side wall of the opening shielding ring 600 is tightly attached to the inner side wall of the cable interface, so that the connection with the plug shell 100 is achieved, and the EMC shielding effect is realized.

Further, a gasket is disposed between the rear cover 500 and the plug housing 100; the outer side wall of the cable port is connected with a nut 700 in a threaded manner, and a sealing ring 710 is also arranged between the nut 700 and the plug housing 100.

It can be understood that the sealing performance is enhanced through the sealing ring 710, and the waterproof and dustproof grades of the connector can be effectively improved.

Referring to fig. 13, a screw hole is formed in the plug housing 100, a boss 120 protruding in the axial direction is formed on the inner sidewall of the plug housing 100, a screw through hole is formed in the rear cover 500, a hook 510 engaged with the boss 120 is formed at the bottom of the rear cover 500, and the rear cover 500 is fixed to the plug housing 100 by the hook 510 and a screw.

In assembling, the rear cover 500 is first attached to the gasket and then pushed to the right, so that the hook 510 of the rear cover 500 contacts the boss 120 of the plug housing 100, thereby pre-tightening the rear cover 500 and the plug housing 100, and then the rear cover 500 is screw-fixed to the plug housing 100 by screws. It has the advantages of tight combination, uneasy loosening, high waterproof and dustproof grade.

Referring to fig. 14 and 15, an elastic clip 330 is disposed on a side surface of the plug insert 300, a protrusion 320 is disposed on the elastic clip 330, an inner groove 140 matched with the protrusion 320 is disposed on an inner side wall of the plug housing 100, when the plug insert 300 is inserted into the plug housing 100, the protrusion 320 is inserted into the groove after the elastic clip 330 is compressed, and the elastic clip 330 rebounds to complete the assembly;

referring to fig. 16 and 17, the inner sidewall of the base housing 200 is provided with a base boss 220, the side surface of the base insert 400 is provided with a base hook 420, and the base insert 400 is fixed in the base housing 200 by the cooperation of the base boss 220 and the base hook 420. When the base insert 400 is inserted, the base hook 420 rebounds to hook the boss, thereby completing the installation of the base insert 400.

The utility model discloses an isolated electromagnetic of subregion of different cables in the realization connector has avoided mutual interference between the signal, and its shell has realized 360 degrees parcels of EMC shielding material, and it is effectual to shield, and signal transmission quality is good. And the waterproof and dustproof structure also has the advantages of high waterproof and dustproof grade and small volume.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. A shielded connector, comprising: the plug comprises a plug shell, a base shell, a plug insert, a base insert and a rear cover; the plug shell, the base shell and the rear cover are all made of EMC shielding materials, and an EMC shielding cavity with a lead outlet is formed after the plug shell, the base shell and the rear cover are fixedly connected; the electromagnetic shielding piece that EMC shielding intracavity was equipped with EMC shielding material and made, the electromagnetic shielding piece will EMC shielding chamber cuts off for two at least independent cavitys.

2. The connector of claim 1, wherein the plug insert is inserted into the plug housing, the base insert is inserted into the base housing, the plug insert is provided with a partition piece made of EMC shielding material, and the base housing is provided with a raised partition rib; the plug shell with during base shell fixed connection, partition piece with it forms to cut off the muscle and be connected electromagnetism partition piece, and will EMC shields the chamber and cuts off for two at least independent cavitys.

3. The shielded connector of claim 2, wherein the base housing has base sidewalls surrounding sides of the base insert, and the plug housing has plug sidewalls surrounding sides of the plug insert; when the plug shell is fixedly connected with the base shell, the side wall of the base is inserted into the groove between the side wall of the plug and the plug inserting body.

4. The connector of claim 3, wherein two partition grooves are provided in the plug housing for the partition pieces to be inserted into, and the two partition grooves are provided at symmetrical positions on both sides of a symmetrical plane of the plug housing.

5. The connector of any one of claims 1 or 2, wherein the rear cover, the plug housing, and the base housing are all in communication with a ground line.

6. The connector according to claim 5, further comprising a grounding screw, wherein the grounding screw comprises a screw and a grounding spring, the screw and the grounding spring are made of conductive materials and are electrically conducted with each other; a grounding female pin is arranged in the plug inserting body, a grounding male pin is electrically connected to the base shell, the grounding wire is fixed to the inner side wall of the grounding female pin through the screw, and the grounding male pin is inserted into the grounding female pin; the grounding elastic sheet is respectively abutted with the rear cover and the plug shell.

7. The connector according to any one of claims 1 or 2, further comprising an open shield ring made of EMC shielding material, wherein one or two cable connectors are disposed on a side surface of the plug housing, an outer side wall of the open shield ring abuts against an inner side wall of the cable connector, and a claw protruding toward an axial center direction of the open shield ring is disposed on an inner side wall of the open shield ring and abuts against a cable shielding mesh of a cable in the cable connector.

8. The zoned shielded connector according to claim 7, wherein a gasket is provided between the rear cover and the plug housing; the outer side wall of the cable connector is in threaded connection with a nut, and a sealing ring is arranged between the nut and the plug shell.

9. The connector according to claim 1 or 2, wherein the plug housing has a threaded hole, the inner wall of the plug housing has a boss protruding in the axial direction, the rear cover has a threaded through hole, and the bottom of the rear cover has a hook engaged with the boss.

10. The shielded connector of claim 2,

the side surface of the plug insert body is provided with an elastic buckle, the elastic buckle is provided with a convex block, and the inner side wall of the plug shell is provided with an inner groove matched with the convex block;

the inside wall of base shell is equipped with the base boss, the side of base inserted body be equipped with base boss assorted base trip.