CN111525336A

CN111525336A - Connector with protection

Info

Publication number: CN111525336A
Application number: CN202010412864.XA
Authority: CN
Inventors: 向伟明; 雷义民; 宋立辉; 郑红星; 左非; 徐航; 田野; 郝彦君; 原勐捷; 李延平
Original assignee: No203 Resarch Institute Of China Ordnance Industries; China North Industries Corp
Current assignee: No203 Resarch Institute Of China Ordnance Industries; China North Industries Corp
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-08-11
Anticipated expiration: 2040-05-15
Also published as: CN111525336B

Abstract

The invention relates to a connector with protection, and belongs to the field of electric connectors. In order to overcome the problems of water resistance, corrosion resistance, interference resistance, high stability, high-speed transmission, protection and the like of the conventional electric connector, the plug and the socket are provided with the sealing components, the embedded design is adopted, the error is prevented through the error-proof insertion block and the error-proof slot, and the connection is convenient through the base point indication mark. The middle part is provided with a differential assembly to ensure the transmission of high-speed signals, and the outer sides of the differential assembly and the interface are provided with annular shielding plates, so that the anti-interference performance is strong. Before the plug is connected with the socket, the top end of the contact pin contacts with the protection board to form short circuit protection, when the plug is connected with the socket, the sliding teeth of the plug outer sleeve are placed into the sliding grooves of the socket to be pressed downwards and rotated, so that the plug is tightly connected with the socket, the socket base pushes the plug protection board downwards, the contact pin is disconnected with the protection board, and the protection is cancelled. The electric connector is beneficial to achieving the performances of water resistance, corrosion resistance, interference resistance, high stability and protection while miniaturizing devices.

Description

Connector with protection

Technical Field

The invention belongs to the field of electronic connectors, and particularly relates to a connector with protection.

Background

Electronic connectors, also commonly referred to as electrical connectors, bridge two electronic components to transmit electrical current and signals for easy assembly and insertion. Electrical connectors are widely used in electrical circuits and in the electronics industry, such as: electronic plugs and sockets, chip sockets, and the like.

The electric connector in the prior art mainly comprises a fixed end electric connector and a free end electric connector, and the electric connector meets the general performance requirements, and particularly has the important requirements that the electric connector has good contact, reliable work and convenient maintenance, and whether the work is reliable or not directly influences the normal work of a circuit, and relates to the safety of the whole host circuit. For this reason, the host circuit has very strict requirements on the quality and reliability of the electrical connector, and because of the high quality and reliability of the electrical connector, the electrical connector is also widely used in military systems such as aviation, aerospace, national defense and the like.

With the rapid development of electronic technology, higher requirements of high-speed transmission, interference resistance and volume miniaturization are put on the performance of the connector, and particularly in the fields of aviation, aerospace and military equipment, the connector is required to have a protection function. However, the existing connector cannot satisfy the performances of water resistance, corrosion resistance, interference resistance, high stability, high-speed transmission and the like well after being miniaturized, and particularly the requirement of protection is difficult to satisfy.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the technical problem of how to provide a connector with protection so as to overcome the technical problem that the existing electric connector cannot meet the functions of water resistance, corrosion resistance, interference resistance, high stability, high-speed transmission, protection and the like.

(II) technical scheme

In order to solve the technical problem, the invention provides a connector with protection, which comprises a socket and a plug, wherein the socket comprises a socket interface end, a fixing plate and a wiring end, and the socket interface end is provided with a socket ring plate and a jack; the socket ring plate and the fixing plate are integrally connected to form a socket shell; a base for fixing the jack is further arranged in the socket, and a sealing assembly is arranged between the rear side of the socket base and the shell; the wiring end penetrates out of the socket base, an anti-error insertion block is arranged on the inner side of the socket ring plate, and a base point indicating mark is arranged on the socket ring plate; the outer side of the socket ring plate is provided with a thread-shaped sliding groove;

the plug comprises a plug interface end and a shell, the plug interface end is provided with a plug ring plate, an outer sleeve and a plug base, a through hole is formed in the plug base, a contact pin is arranged in the through hole of the plug base, the plug ring plate is integrally connected with the plug shell, a sealing assembly is arranged between the rear side of the plug base and the plug shell, a mistake-proofing slot is formed in the outer side of the plug ring plate, and a base point indicating mark is arranged on the outer side of the plug ring plate; the tail end of the plug is provided with a tightening assembly; the outer sleeve is movably connected with the plug shell, and sliding teeth are arranged on the inner side of the outer sleeve; the outer side of the plug base is provided with a movable protection plate, and the protection plate is provided with a through hole for the insertion pin to pass through.

Furthermore, 2 differential assemblies are respectively arranged on the socket base and the plug base, and the differential assemblies on the socket base comprise an annular outer wall and 4 jacks; the plug base is provided with holes for installing the differential assembly, and the differential assembly on the plug base comprises 4 contact pins.

Furthermore, the mistake-proofing insertion block is arranged corresponding to the mistake-proofing slot.

Further, the base point indication mark on the socket is arranged corresponding to the base point indication mark on the plug.

Further, the differential assembly is disposed near a center position.

Furthermore, the fixing plate is provided with a mounting hole for mounting the socket.

Furthermore, the number of the error-proof insertion blocks and the number of the error-proof slots are correspondingly set to be 3.

Furthermore, the outer side of the tightening component is provided with anti-slip patterns, the inner side of the tightening component is in threaded connection with the plug shell, and the inner side of the tightening component is in a gradually-folded shape along with the locking of threads.

Furthermore, the through hole is formed in the protection plate, so that the contact pin can just penetrate through the through hole, the upper end of the contact pin penetrating through the protection plate is thicker than the lower end of the contact pin, and the outer side of the lower end of the contact pin is provided with an insulating protection film.

Further, the sliding teeth correspond to the sliding grooves, the protection board is initially located at the upper ends of the contact pins, when the plug is connected with the socket, the sliding teeth of the outer sleeve are placed into the sliding grooves of the socket and are pressed downwards and rotated, so that the plug and the socket are tightly connected through the clamping of the lifting and pulling, meanwhile, the socket base is used for pushing the protection board downwards to enable the protection board to be located at the lower ends of the contact pins, and the contact pins are disconnected with the protection board to cancel protection.

(III) advantageous effects

The invention provides a connector with protection, wherein a plug and a socket of the connector with protection are respectively provided with a sealing component, the plug and the socket adopt an embedded design, errors are prevented through an error-proof insertion block and an error-proof insertion slot, and the plug and the socket are conveniently inserted and connected through a base point indication mark. The middle part is equipped with differential assembly and guarantees the transmission of high-speed signal, and differential assembly and interface outside all are equipped with annular shield plate, and the interference killing feature is strong. Before the plug is connected with the socket, the top end of the contact pin contacts with the protection board to form short-circuit protection. When the plug is connected with the socket, the sliding teeth of the plug outer sleeve are placed in the sliding grooves of the socket, the plug is pressed downwards and rotated, so that the plug is tightly connected with the socket, the socket base pushes the plug protection board downwards, the contact pins are disconnected with the protection board, and protection is cancelled. The electric connector is beneficial to achieving the performances of water resistance, corrosion resistance, interference resistance and high stability while the device is miniaturized, is convenient to separate and has a good protection function.

Drawings

FIG. 1 is a schematic view of a socket of the connector with protection of the present invention;

FIG. 2 is a schematic view of the interface of the socket in the connector with protection according to the present invention;

FIG. 3 is a schematic view of a plug in the connector with protection according to the present invention;

fig. 4 is a schematic view of an interface of a plug in the connector with protection according to the present invention.

Detailed Description

In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.

Fig. 1-4 show a protected connector according to the present invention, which includes a socket and a plug, where the socket includes a socket interface end 1, a fixing plate 2 and a terminal 3, and the socket interface end is provided with a socket ring plate 4 and a jack 5; the socket ring plate 4 and the fixed plate 2 are integrally connected to form a socket shell; a base for fixing the jack 5 is further arranged in the socket, and a sealing assembly is arranged between the rear side of the socket base and the shell; the wiring end 3 penetrates out of the socket base, an anti-error insertion block 6 is arranged on the inner side of the socket ring plate, and a base point indicating mark is arranged on the socket ring plate; the outer side of the socket ring plate is provided with a thread-shaped sliding groove 13;

the plug comprises a plug interface end and a shell, the plug interface end is provided with a plug ring plate 7, an outer sleeve 14 and a plug base 8, a through hole is formed in the plug base 8, a contact pin 9 is arranged in the through hole of the plug base, the plug ring plate 7 is integrally connected with the plug shell, a sealing assembly is arranged between the rear side of the plug base 8 and the plug shell, a mistake-proofing slot 10 is formed in the outer side of the plug ring plate 7, and a base point indication mark is arranged on the outer side of the plug ring plate 7; the tail end of the plug is provided with a tightening assembly 11; the outer sleeve 14 is positioned on the outer side of the plug annular plate 7 and is movably connected with the plug shell, and sliding teeth 15 corresponding to the sliding grooves 13 are arranged on the inner side of the outer sleeve 14; the outer side of the plug base 8 is provided with a movable protection plate 16, and the protection plate 16 is provided with a through hole for the insertion pin to pass through.

2 differential assemblies 12 are respectively arranged on the socket base and the plug base 8, and the differential assemblies 12 on the socket base comprise annular outer walls and 4 jacks; the plug base 8 is provided with a hole for installing the differential assembly 12, and the differential assembly 12 on the plug base 8 comprises 4 pins.

The mistake-proofing insertion block 6 is arranged corresponding to the mistake-proofing insertion slot 10, and the base point indicating mark on the socket is arranged corresponding to the base point indicating mark on the plug.

The differential assembly 12 is centrally located.

And the fixing plate 2 is provided with a mounting hole for mounting the socket.

The number of the error-proof insertion blocks 6 is 3 corresponding to that of the error-proof slots 10.

The fixed jacks 5 comprise 38 jacks, the 38 jacks are distributed on 3 layers of concentric circles in the socket ring plate 4, the innermost side of the fixed jacks comprises 4 jacks, the middle layer of the fixed jacks comprises 10 jacks, and the outermost layer of the fixed jacks comprises 24 jacks; the plug base comprises 38 through holes and pins 9, 38 jacks corresponding to the fixed jacks 5 are distributed on 3 layers of concentric circles inside the plug ring plate 7, the innermost side comprises 4 through holes and pins, the middle layer comprises 10 through holes and pins, and the outermost layer comprises 24 through holes and pins.

The outer side of the tightening component 11 is provided with anti-slip patterns, the inner side of the tightening component 11 is in threaded connection with the plug shell, and the inner side of the tightening component 11 is gradually folded along with threaded locking.

The protection plate 16 is provided with a through hole for the insertion pin 9 to pass through, the upper end of the insertion pin passing through the protection plate 16 is thicker than the lower end, the outer side of the lower end of the insertion pin is provided with an insulation protection film, and the upper end of the insertion pin is thicker than the lower end with the insulation protection film. Protective plate 16 is initially positioned over the upper end of pin 9.

The utility model discloses a plug, including overcoat 14 and plug shell swing joint, overcoat 14 inboard is equipped with the smooth tooth 15 that corresponds with spout 13, when plug and socket connection, will the smooth tooth of overcoat 14 is put into in the spout 13 of socket, press down and rotate downwards to it makes plug and socket connection inseparable to carry the chucking, and simultaneously, the socket base will protection shield 16 backs down, makes protection shield 16 be located the lower extreme of contact pin 9, because the lower extreme is thinner and have insulating protection film, contact pin 9 and protection shield 16 disconnection cancel the protection.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The connector with the protection function is characterized by comprising a socket and a plug, wherein the socket comprises a socket interface end (1), a fixing plate (2) and a wiring end (3), and the socket interface end is provided with a socket ring plate (4) and a jack (5); the socket ring plate (4) and the fixed plate (2) are integrally connected to form a socket shell; a base for fixing the jack (5) is further arranged in the socket, and a sealing assembly is arranged between the rear side of the socket base and the shell; the wiring end (3) penetrates out of the socket base, an anti-error insertion block (6) is arranged on the inner side of the socket ring plate, and a base point indicating mark is arranged on the socket ring plate; a thread-shaped sliding groove (13) is formed in the outer side of the socket ring plate;

the plug comprises a plug interface end and a shell, the plug interface end is provided with a plug annular plate (7), an outer sleeve (14) and a plug base (8), a through hole is formed in the plug base (8), a contact pin (9) is arranged in the through hole of the plug base, the plug annular plate (7) is integrally connected with the plug shell, a sealing assembly is arranged between the rear side of the plug base (8) and the plug shell, a mistake-proof slot (10) is formed in the outer side of the plug annular plate (7), and a base point indication mark is arranged on the outer side of the plug annular plate (7); the tail end of the plug is provided with a tightening assembly (11); the outer sleeve (14) is positioned on the outer side of the plug ring plate (7) and is movably connected with the plug shell, and sliding teeth (15) are arranged on the inner side of the outer sleeve (14); the outer side of the plug base (8) is provided with a movable protection plate (16), and the protection plate (16) is provided with a through hole so that the contact pin (9) can just penetrate through the through hole.

2. The protected connector of claim 1, wherein 2 differential assemblies (12) are provided on the socket base and the plug base (8), respectively, the differential assemblies (12) on the socket base including an annular outer wall and 4 receptacles; the plug base (8) is provided with holes for mounting the differential assembly (12), and the differential assembly (12) on the plug base (8) comprises 4 contact pins.

3. Protected connector according to claim 2, characterized in that said differential assembly (12) is arranged close to the centre.

4. Protected connector according to claim 1, characterized in that said anti-fault plug (6) is arranged in correspondence of said anti-fault slot (10).

5. The protected connector of claim 1, wherein the base point indicators on the receptacle correspond to the base point indicators on the plug.

6. A connector with protection as claimed in claim 1, characterized in that said fixing plate (2) is provided with mounting holes for mounting said socket.

7. The protected connector according to claim 1, wherein the number of the error-proof insertion blocks (6) is 3 corresponding to the error-proof insertion grooves (10).

8. The connector with protection as claimed in claim 1, characterized in that the tightening unit (11) is provided on its outer side with an anti-slip pattern, and on its inner side is screwed to the plug housing, the inner side of the tightening unit (11) being in a tapered shape as it is screwed.

9. Connector with protection as claimed in any one of claims 1 to 8, characterized in that said protective plate (16) is provided with through holes for said pins (9) to pass through, the pins passing through said protective plate (16) have thicker upper ends than lower ends, and the outer sides of the lower ends of said pins are provided with insulating protective films.

10. Connector with protection as claimed in claim 9, characterized in that said sliding teeth (15) correspond to said sliding grooves (13), said protection plate (16) is initially positioned at the upper end of said pins (9), when said plug and said socket are connected, said sliding teeth (15) of said casing (14) are placed in said sliding grooves (13) of said socket, pressed down and rotated, so that the pulling grip makes said plug and said socket tightly connected, at the same time, said socket base pushes said protection plate (16) open downwards, making said protection plate (16) at the lower end of said pins (9), said pins (9) are disconnected from said protection plate (16), and the protection is cancelled.