CN113889815B

CN113889815B - Quick-connection high-reliability shielding connector

Info

Publication number: CN113889815B
Application number: CN202111256392.4A
Authority: CN
Inventors: 林顺华; 陈世名; 汪柄江
Original assignee: Shenzhen Linko Electric Co ltd
Current assignee: Shenzhen Linko Electric Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2025-08-15
Anticipated expiration: 2041-10-27
Also published as: CN113889815A

Abstract

The present invention relates to a quick-connect, high-reliability shielded connector, a connection structure between a socket component and a plug component, which is convenient, fast, and stable. By allowing a protrusion to enter a connection groove and then rotate it into a locking groove for locking, the stability of the connection between the socket component and the plug component can be ensured. The provision of a shielding component can play a certain shielding role for electromagnetic signals, ensuring the normal operation of the device; at the same time, on the other hand, it is ensured that there is a position for placing the shielding component between the side wall of the socket component and the side wall of the insertion end, that is, in a position outside the connection groove at the insertion end and in the connection hole. The shielding component at this position is located in the connection hole and will not be affected by pressure, will not cause gaps due to imperfect axial fit, and will not affect performance due to position offset. In addition, multiple shielding components can be provided as needed, with high reliability, which can ensure the performance of the shielding component.

Description

Quick-connection high-reliability shielding connector

Technical Field

The invention relates to the technical field of connecting joints, in particular to a quick-connection high-reliability shielding connector.

Background

The electric connector consists of a fixed end electric connector, namely a female contact (called socket/socket part for short), and a free end electric connector, namely a male contact (called plug/plug part for short), wherein the socket is fixed on an electric component through a square (round) disc (respectively adopting a welding mode), the plug is generally connected with a cable, and the plug and the socket are connected through a connecting nut.

In the prior art, because socket and plug are general detachable connection, so the problem that the electromagnetic wave revealed is produced easily in the junction of plug and socket, current socket and plug's connected mode is threaded connection generally simultaneously, and the screw thread between the two needs to be aimed at to the connection, then twists many circles just can connect fixedly with both, and the connection is not swift convenient.

The applicant of the present invention has found that the prior art has at least the following technical problems:

Disclosure of Invention

In view of the above, there is a need for a quick connect highly reliable shielded connector that is quick to connect and has high stability.

In order to solve the technical problems, the quick-connection high-reliability shielding connector comprises a socket piece, a plug piece and a first shielding piece, wherein the socket piece is provided with a connecting hole, a plurality of protruding blocks are arranged in the connecting hole, the plug piece is provided with an insertion end extending into the connecting hole, the insertion end is provided with a connecting groove, each protruding block is provided with an adaptive connecting groove, the connecting groove comprises a guide groove and a locking groove which are communicated, the protruding blocks move along the guide groove and are locked in the locking groove, and the first shielding piece is arranged between the outer side wall of the insertion end and the inner side wall of the socket piece and is positioned outside the connecting groove.

Further, the conductive member includes a second shielding member disposed in the connection hole, and when the protrusion is engaged with the locking groove, an end surface of the plug member and a bottom of the connection hole press the second shielding member.

Further, the conductive member includes a third shielding member, the third shielding member is sleeved on the plug member, a stepped end face is provided at the bottom of the outer peripheral wall of the insertion end, and when the protruding block is matched with the locking groove, the end face of the socket member and the stepped end face compress the third shielding member.

Further, a preset positioning or foolproof structure is arranged between the protruding block and the connecting groove.

Further, the plug comprises a nut and a tail sleeve, wherein the tail sleeve is arranged in the plug and is provided with a locking wire part which extends back to the socket, the nut is in threaded connection with one end of the plug, which is back to the socket, and the inner diameter of the locking wire part, which is far away from the socket, is gradually reduced along with the screwing of the nut.

Further, a fourth shielding piece is arranged between the plug piece and the tail sleeve.

Further, the plug assembly further comprises an outer ring, the outer ring is sleeved outside the plug assembly in an axially movable mode, a first circumferential limiting structure is arranged between the outer ring and the plug assembly, a second circumferential limiting structure is arranged between the outer ring and the socket assembly, and the outer ring is optionally matched with the first circumferential limiting structure or the second circumferential limiting structure through axial movement.

Further, the anti-thrust piece is used for locking the outer ring at a position where the second circumferential limiting structure acts and the first circumferential limiting structure fails.

Further, an anti-withdrawal structure is arranged between the outer ring and the plug member.

Further, the socket member and the plug member are each made of an electromagnetic shielding material.

The invention has the beneficial effects that the connection structure between the socket piece and the plug piece is convenient, quick and stable in connection, and the connection stability of the socket piece and the plug piece can be ensured by enabling the protruding blocks to enter the connection grooves and then rotate to enter the locking force grooves for locking. The shielding piece can play a certain shielding role on electromagnetic signals, normal operation of equipment is guaranteed, meanwhile, on the other hand, the position where the shielding piece can be placed is guaranteed between the side wall of the socket piece and the side wall of the insertion end, namely, the position which is located in the connecting hole and is located outside the connecting groove of the insertion end, the shielding piece in the position is located in the connecting hole and is not influenced by pressure, gaps are not caused by imperfect axial fit, performance is not influenced by position deviation, a plurality of shielding pieces can be arranged according to requirements, reliability is high, and performance of the shielding piece can be guaranteed.

Drawings

FIG. 1 is a schematic cross-sectional view of a quick connect highly reliable shielded connector according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a quick connect high reliability shielded connector according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an exploded view of a quick connect highly reliable shielded connector according to an embodiment of the present invention;

FIG. 4 is a schematic view of another orientation of a header member of a quick connect highly reliable shielded connector according to an embodiment of the present invention;

FIG. 5 is a schematic illustration of an over-molded structure of a quick connect high reliability shielded connector and cable according to an embodiment of the present invention;

FIG. 6 is a schematic illustration of an over-molded structure of a socket member and cable for a quick connect highly reliable shield connector according to an embodiment of the present invention;

FIG. 7 is a schematic view of another embodiment of the invention in which the socket member and the cable of the quick connect highly reliable shield connector are overmolded;

fig. 8 is a schematic structural view of a socket member of a quick-connect high-reliability shielding connector according to an embodiment of the present invention;

fig. 9 is a schematic structural view of another implementation of a socket member of a quick connect high reliability shielded connector according to an embodiment of the present invention;

FIG. 10 is a schematic view of a receptacle member of a quick connect highly reliable shielded connector according to an embodiment of the present invention;

FIG. 11 is a schematic view of a receptacle of a quick connect highly reliable shielded connector according to an embodiment of the present invention;

FIG. 12 is a schematic view of a structure of a socket member with a second latch of a quick connect high reliability shield connector according to an embodiment of the present invention;

FIG. 13 is a schematic view of a structure of a socket member with a limit slot of a quick connect high reliability shield connector according to an embodiment of the present invention;

FIG. 14 is a schematic view of another embodiment of a receptacle member of a quick connect highly reliable shielded connector according to an embodiment of the present invention;

Fig. 15 is a schematic view of a structure of a socket member of a quick connect highly reliable shield connector according to an embodiment of the present invention;

FIG. 16 is a schematic view of the outer ring of a quick connect high reliability shielded connector according to an embodiment of the present invention;

FIG. 17 is a schematic view of a structure of an embodiment of a quick-connect high-reliability shielding connector with a second slot on an outer ring of the connector;

Fig. 18 is a schematic structural view of another implementation of the outer ring of the quick connect high reliability shield connector according to the embodiment of the present invention.

Description of the reference numerals:

100. the socket piece, 110, a connecting hole, 111, a convex block, 120, an annular underframe, 130 and a second clamping groove;

140. a limit groove; 200, plug members, 210, connecting grooves, 211, guiding grooves, 212 and locking force grooves;

220. A first clamping block; 230, a second clamping piece, 240, a second convex body, 250, a step end surface;

310. 320, second shielding member, 330, third shielding member;

340. 400 parts of a fourth shielding piece, a nut, 410 parts of a tail sleeve, 411 parts of a locking wire part, 420 parts of a wire clamping sleeve;

500. the outer ring, 510, the second clamping block, 520, the first clamping groove, 530, the first clamping fastener;

540. 550, spring ring, 610, socket terminal, 611, terminal fixed inner core;

620. Plug terminals 621, plug inner cores.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, a quick-connect highly reliable shielded connector according to the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1-8, a quick-connect highly reliable shielding connector includes a socket member 100 having a connection hole 110, a plurality of protrusions 111 disposed in the connection hole 110, a plug member 200 having an insertion end extending into the connection hole 110, a connection slot 210 disposed on the insertion end, each protrusion 111 having an adapted connection slot 210, the connection slot 210 including a guiding slot 211 and a locking slot 212, the protrusion 111 moving along the guiding slot 211 and locking the locking slot 212, and a first shielding member 310 disposed between an outer sidewall of the insertion end and an inner sidewall of the socket member 100 and outside the connection slot 210.

The connection structure between the socket member 100 and the header member 200 is convenient, quick and stable, and the connection stability of the socket member 100 and the header member 200 can be ensured by making the protrusion 111 enter the connection groove 210 and then rotate into the locking groove 212 to be locked. The shielding member is arranged to play a certain role in shielding electromagnetic signals, so that normal operation of equipment is guaranteed, meanwhile, on the other hand, the position where the shielding member can be placed is guaranteed between the side wall of the socket member 100 and the side wall of the insertion end, namely, the position outside the connecting slot 210 of the insertion end and the connecting hole 110, the shielding member at the position is positioned in the connecting hole 110 and cannot be influenced by pressure, gaps cannot be caused due to imperfect axial matching and performance cannot be influenced due to position deviation, a plurality of shielding members can be arranged according to requirements, reliability is high, and performance of the shielding member can be guaranteed.

Referring to fig. 1 and 3, the conductive member includes a second shielding member 320, the second shielding member 320 is disposed in the connection hole 110, and when the protrusion 111 is engaged with the locking groove 212, the end surface of the header 200 and the bottom of the connection hole 110 compress the second shielding member 320. It will be appreciated that the connection hole 110 generally has an annular bottom frame 120 disposed therein, and that the annular bottom frame 120 has an inner diameter less than or equal to the inner diameter of the plug member 200. The second shield 320 is provided to further improve shielding performance.

Referring to fig. 1 and 3, the conductive member includes a third shielding member 330, the third shielding member 330 is sleeved on the plug member 200, the bottom of the outer peripheral wall of the insertion end has a stepped end surface 250, and when the protrusion 111 is matched with the locking groove 212, the end surface of the socket member 100 and the stepped end surface 250 compress the third shielding member 330. The third shielding member 330, i.e., at least triple shielding is provided between the connection of the socket member 100 and the header member 200, and the shielding effect is further improved.

Further, a predetermined positioning or foolproof structure is provided between the bump 111 and the connecting slot 210. The pre-positioning or foolproof structure can facilitate alignment of the positions, avoid poor contact, facilitate stable contact of terminals or other structures in the connector, and can determine the contact positions in advance, thereby reducing design difficulty. In particular, the predetermined positioning or fool-proof structure is that one further bump 111 is provided, or a plurality of bumps 111 are provided on the same horizontal plane, and at least two bumps 111 in the plurality of bumps 111 on the same horizontal plane have different shapes, particularly, referring to fig. 8, 9, 13 and 14, at least two bumps 111 on the same horizontal plane have different widths, and the width of the guide groove 211 corresponds to the width of the bump 111 one by one, or a plurality of bumps 111 on the same horizontal plane are provided, and the included angles between the plurality of bumps 111 on the same horizontal plane are different, that is, the bumps 111 are not arranged in an annular array. In particular, referring to fig. 8, 10 and 15, two or more locking grooves 212 may be disposed at different heights, where two or more locking grooves 212 are connected to the same guiding groove 211 to form more than one layer of locking grooves 212, and more than one layer of protrusions 111 are correspondingly disposed, so as to improve locking force.

Referring to fig. 1-6, the socket further includes a nut 400 and a tail sleeve 410, wherein the tail sleeve 410 is disposed in the plug member 200 and has a locking wire portion 411 extending away from the socket member 100, the nut 400 is screwed to an end of the plug member 200 opposite to the socket member 100, and an inner diameter of the locking wire portion 411 away from the socket member 100 is gradually reduced along with tightening of the nut 400. The nut 400 and the locking wire part 411 are used for facilitating the connection of the plug module to the cable, and the tightening of the locking wire part 411 locking the nut 400 can gradually compress the cable to prevent the cable from falling off. In particular, the locking wire portion 411 has a plurality of elastic strips arranged in an annular array, the inner diameter of the nut 400 is gradually reduced along the direction away from the socket module, and the elastic strip hole diameter arranged in the annular array is gradually reduced along with the tightening of the nut 400, so that the cable is extruded and wrapped, the cable can be prevented from loosening, and the sealing effect is achieved. In particular, the cross section of the elastic strip has a quadrilateral or fan-shaped structure with the center of the circle and the circumferential direction widened from narrow. In particular, a flexible wire clamping sleeve 420 can be arranged outside the cable, the wire locking part 411 presses the wire clamping sleeve 420, the wire clamping sleeve 420 wraps the cable, the wire clamping sleeve 420 is generally made of rubber or silica gel, and therefore the cable can be protected, and sealing performance is improved. In particular, the wire jacket 420 is also made of an electromagnetic shielding material, so that the electromagnetic shielding capability of the product is stronger. In particular, referring to fig. 5, an overmolded rubber coating is generally disposed at a contact portion of the cable with the wire clamping sleeve 420 for protecting the cable and improving the sealing effect, and in particular, referring to fig. 6 and 7, an overmolded rubber coated cable is also connected to an end of the socket member 100 facing away from the plug member 200.

Referring to fig. 1 and 3, a fourth shielding member 340 is further disposed between the header 200 and the tail sleeve 410. The fourth shield 340 may be provided to improve shielding performance of the tail portion of the header 200.

Referring to fig. 1-3, 5 and 8-18, the socket further includes an outer ring 500, the outer ring 500 is axially movably sleeved outside the plug member 200, a first circumferential limit structure is disposed between the outer ring 500 and the plug member 200, a second circumferential limit structure is disposed between the outer ring 500 and the socket member 100, and the outer ring 500 is selectively engaged with the first circumferential limit structure or the second circumferential limit structure through axial movement. In a simple manner, the first circumferential limit structure and the second circumferential limit structure are generally latch slot matching structures, that is, one of the outer ring 500 and the plug member 200 is provided with a first latch slot 220 corresponding to the other one of the first latch slots 220, one of the outer ring 500 and the socket member 100 is provided with a second latch slot 510 corresponding to the other one of the second latch slots 510, and it is understood that the first latch may be disposed on only one of the plug member 200 or the outer ring 500, or alternatively disposed on the plug member 200 and the outer ring 500, and the first latch slots 520 are correspondingly disposed, referring to fig. 3, Fig. 8 to 18, the second clamping block 510 is similar to the second clamping groove 130. by providing the outer race 500, loosening due to erroneous contact after the engagement of the protrusion 111 and the locking groove 212 can be prevented. That is, before the protrusion 111 and the locking groove 212 are matched, the first circumferential limit structure is effective, the second circumferential limit structure is ineffective, the outer ring 500 rotates to drive the plug member 200 to rotate, and when the protrusion 111 and the locking groove 212 are matched, the second circumferential limit structure is ineffective, and the outer ring 500 rotates to drive the plug member 200 to rotate. In particular, referring to fig. 4 and 16, a plurality of second clamping grooves 130 facing the opening of the plug module are provided on the outer peripheral wall of the socket member 100, a plurality of second clamping blocks 510 comprising a horizontal bar and a vertical bar are provided on the inner wall of the outer ring 500 facing one end of the socket module, the vertical bar is adapted to the second clamping grooves 130, the horizontal bar is adapted to the end surface of the socket member 100, a first clamping groove 520 facing away from the opening of the socket module is provided on the other end of the outer ring 500, a first clamping block 220 adapted to the first clamping groove 520 is provided on the plug member 200, the outer ring 500 is slidably sleeved outside the plug member 200, so that one of the second clamping blocks 510 and the first clamping groove 520 has a circumferential limiting effect, i.e. when the first clamping groove 520 is matched with the first clamping block 220, the second clamping block 510 is separated from the second clamping groove 130, and when the second clamping block 510 is matched with the second clamping groove 130, the first clamping groove 520 is separated from the first clamping block 220. It can be understood that, referring to fig. 4, 8-18, the first clamping groove 520 and the second clamping groove 130 may be disposed on the outer peripheral wall, or may be disposed on the inner peripheral wall, or may even directly penetrate through the axial opening of the peripheral wall, concretely, referring to fig. 2, 8, 9, 11, 13 and 14, the second clamping groove 130 is disposed on the outer peripheral wall of the socket member 100, referring to fig. 15, the second clamping groove 130 is disposed on the inner peripheral wall of the socket member 100, referring to fig. 10, the second clamping groove 130 penetrates through the peripheral wall, referring to fig. 12, the socket member 100 is provided with the second clamping block 510, and referring to fig. 17, the outer ring 500 is provided with the second clamping groove 130 matched with the second clamping block 510. Simply, the outer peripheral wall of the outer ring 500 may be provided with an anti-slip portion, which is generally formed by concave-convex lines or patterns, so as to increase friction force and facilitate rotation. In particular, a limiting groove 140 may be provided outside the coupling hole 11, and the front end portion of the outer ring 500 is inserted into the limiting groove 140, thereby improving sealability.

Referring to fig. 1-3, 4, 16 and 18, the locking device further includes a thrust member for locking the outer ring 500 at a position where the second circumferential limit structure acts and the first circumferential limit structure fails. The thrust piece comprises one of an axial elastic piece, a screw and a clamp spring. It can be appreciated that the axial elastic member may be an elastic member such as spring ring 550, elastic sheet ring, elastic strip, etc., the screw is generally fixed radially, and the clip spring is generally fixed at the tail of the outer ring 500 facing away from the socket module when the second circumferential limiting structure acts. In particular, the thrust member is a spring ring 550, the spring ring 550 is disposed between the outer ring 500 and the plug member 200, a clamping structure for clamping the spring ring 550 is disposed between the outer ring 500 and the plug member 200, and the spring ring 550 has a restoring force when the first circumferential limit structure acts. The clamping structure is generally a protrusion, i.e. a first protrusion 540 is provided on the inner peripheral wall of the end of the outer ring 500 near the socket module, and a second protrusion 240 is provided on the plug member 200, the first protrusion 540 and the second protrusion 240 confining the spring ring 550. The spring ring 550 compresses when the first circumferential limit feature is active, and in particular, the spring ring 550 may still have a restoring force when the second circumferential limit feature is active. In particular, the first protrusion 540 is formed by a cross bar on the second latch 510. In particular, the spring coil 550 is made of an electromagnetic shielding material.

Referring to fig. 1,3, 4, 16 and 18, a withdrawal preventing structure is provided between the outer ring 500 and the plug member 200. The anti-withdrawal structure can be formed by adopting connection modes such as a boss buckling connection structure, a clamp spring connection, a metal spring connection, a machine meter screw connection and the like according to requirements. The boss buckling connection structure comprises a first buckling piece 530 and a second buckling piece 230, the first buckling piece 530 is arranged on the inner wall of the outer ring 500, the second buckling piece 230 is arranged on the outer wall of the plug piece 200, guide oblique angles for guiding buckling directions are arranged on the first buckling piece 530 and the second buckling piece 230, buckling faces for buckling are arranged on the first buckling piece 530 and the second buckling piece 230, when the plug piece 200 is inserted into the outer ring 500 in actual installation, the guide oblique faces of the first buckling piece 530 and the second buckling piece 230 are opposite, the second buckling piece 230 moves downwards through the first buckling piece 530 under the action of the guide oblique faces to reach the lower side of the first buckling piece 530, at the moment, the buckling faces of the first buckling piece 530 and the second buckling piece 230 are opposite, the second buckling piece 230 cannot retract to the upper side of the first buckling piece 530, accordingly the plug piece 200 is installed into the first hollow portion to prevent the plug from retracting, and particularly, the first buckling piece 530 and/or the second buckling piece 230 is made of elastic materials such as plastics, and the buckling faces can be set to be horizontal planes.

Preferably, both the socket member 100 and the header member 200 are made of a shielding electromagnetic material.

It will be appreciated that the nature of electromagnetic waves is such that oscillations of varying electric and magnetic fields propagate in space, and that when electromagnetic waves propagate in a conductive medium, the amplitudes of the electric and magnetic fields decay exponentially with increasing distance, so that the amplitudes of the electric and magnetic fields are greatest at the surface of the conductive medium, deeper into the interior, and less, so that the conductive medium acts to shield electromagnetic signals.

In most cases, the electromagnetic shielding material can be made of metals such as copper, aluminum, steel and the like, but for constant and extremely low frequency magnetic fields, materials such as ferrite and the like can also be used as the electromagnetic shielding material. In particular, the materials of the first shielding member 310, the second shielding member 320, the third shielding member 330 and the fourth shielding member 340 are made of materials with flexibility and electromagnetic shielding properties, such as metal silica gel, rubber, plastic and the like, namely conductive rubber or conductive cloth, namely the flexible characteristics are adopted, so that the sealing effect is improved, liquid is prevented from entering, and the transmission of electricity or signals is prevented from being influenced.

In general, it is simple that an axial guiding structure, i.e., an axially disposed guide groove structure, may be provided between the outer race 500 and the plug member 200, and the plug member 200 and the tail sleeve 410 are the same. In particular, the inner wall of the outer race 500 is provided with a guide rail disposed on the first protrusion 540, and the plug member 200 is provided with a corresponding groove, and it is understood that the length of the guide rail groove is less than or equal to the axial movement stroke of the outer race 500.

Generally, the plug member 200 further includes a plug core 621 and a plug terminal 620, the plug core 621 is sleeved in the plug member 200, the plug terminal 620 is inserted in the plug core 621, the socket terminal 610 and the terminal fixing core 611 are connected to each other, the socket member 100 forms a connection hole 110, the terminal fixing core 611 is disposed at an end of the socket member 100 far away from the plug module, the socket terminal 610 is inserted in the terminal fixing core 611, and the socket terminal 610 and the plug terminal 620 form a contact connection when the protrusion 111 is engaged with the locking groove 212. The contact stability of the receptacle terminals 610 and the plug terminals 620 can also be ensured due to the tight connection of the receptacle module and the plug module.

Simply, the first shielding member 310 does not deviate from this range even if the axial movement occurs due to the blocking of the protrusion 111 and the stepped end surface 250 of the third shielding member 330/header 200, and in particular, a positioning groove may be provided on the inner wall of the insertion end or the connection hole 110 to further restrict the axial movement of the first shielding member 310.

In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "inner", "outer", "upper", "lower", "front", "rear", etc. are based on the positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and are not intended to indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application, and that "axial" of the present application means a direction away from or toward the socket member, and "horizontal" means a plane perpendicular to the axial direction. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

In summary, according to the quick-connection high-reliability shielding connector provided by the application, by arranging the first shielding piece, the second shielding piece and the third shielding piece, triple shielding and sealing are formed at the joint of the socket piece and the plug piece, and the first resealing is not influenced by a fit clearance or fit pressure due to the fit structure between the convex blocks and the connecting grooves, so that the shielding performance of the connector is extremely strong, the electric transmission and the signal transmission are more stable, and the second shielding piece and the third shielding piece are stably connected through the convex blocks and the connecting grooves, so that the pressed is stable, the gap can be closed after the pressing, and the shielding sealing performance is further improved. And by providing a fourth shield at the tail of the header, the sealing performance is further improved.

The present invention is not limited to the preferred embodiments, and the present invention is described above in any way, but is not limited to the preferred embodiments, and any person skilled in the art will appreciate that the present invention is not limited to the embodiments described above, while the above disclosure is directed to various equivalent embodiments, which are capable of being modified or altered in some ways, any simple modification, equivalent variations and alterations made to the above embodiments according to the technical principles of the present invention will still fall within the scope of the technical aspects of the present invention.

Claims

1. A quick-connect high-reliability shielded connector, comprising:

The socket member has a connecting hole, wherein a plurality of protrusions are provided in the connecting hole;

A plug member, the plug member having an insertion end extending into the connecting hole, the insertion end being provided with a connecting groove, each of the protrusions having an adapted connecting groove, and the connecting groove including a communicating guide groove and a locking groove, the protrusion moving along the guide groove and being locked in the locking groove;

a first shielding member disposed between the outer side wall of the insertion end and the inner side wall of the socket member and located outside the connecting groove;

It also includes a second shielding member, which is disposed in the connecting hole, and when the protrusion is engaged with the locking groove, the end surface of the plug member and the bottom of the connecting hole press the second shielding member tightly;

The invention also includes a third shielding member, the third shielding member is sleeved on the plug member, the bottom of the outer peripheral wall of the insertion end has a stepped end surface, when the protrusion is engaged with the locking groove, the end surface of the socket member and the stepped end surface press the third shielding member;

The plug further comprises a nut and a tail sleeve, wherein the tail sleeve is disposed in the plug and has a wire locking portion extending away from the socket. The nut is threadedly connected to an end of the plug facing away from the socket, and the inner diameter of the wire locking portion gradually decreases as the nut is tightened.

A fourth shielding member is further provided between the plug member and the tail sleeve;

The first shielding member, the second shielding member, the third shielding member and the fourth shielding member are made of materials having flexibility and electromagnetic shielding properties;

The outer ring is axially movable and sleeved on the outside of the plug member. A first circumferential limiting structure is provided between the outer ring and the plug member, and a second circumferential limiting structure is provided between the outer ring and the socket member. The outer ring can selectively engage with the first circumferential limiting structure or the second circumferential limiting structure by axial movement.

It also includes a thrust piece for locking the outer ring at a position where the second circumferential limiting structure takes effect and the first circumferential limiting structure fails.

2. A quick-connect high-reliability shielded connector according to claim 1, characterized in that an anti-retraction structure is provided between the outer ring and the plug component.

3 . The quick-connect high-reliability shielded connector according to claim 1 , wherein the socket component and the plug component are both made of electromagnetic shielding material.