CN110854586B

CN110854586B - Safety electric connector

Info

Publication number: CN110854586B
Application number: CN201911193473.7A
Authority: CN
Inventors: 鄢京; 栾伟; 唐鸿飞; 鄢春艳
Original assignee: Xiamen Dingxin Technology Co ltd
Current assignee: Xiamen Dingxin Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2022-08-23
Anticipated expiration: 2039-11-28
Also published as: CN110854586A

Abstract

The invention discloses a safe electric connector, which comprises a connecting socket and a connecting plug, wherein the connecting socket is provided with a connecting plug; the connecting socket comprises an insulating seat core, a tightening pipe and a tightening nut; the insulating base core is provided with a conductive inserting cylinder; one end of the hooping pipe is fixedly connected with the insulating seat core, and a connecting hole is reserved between the hooping pipe and the insulating seat core; the connecting plug comprises a shell sleeve and an insulating head core; the insulation head core is provided with a conductive contact pin; the insulation head core is arranged in the shell sleeve close to one side of the connection socket; the insulating head core is tightly abutted against the insulating base core and the conductive contact pin is tightly inserted into the conductive insertion barrel; the end part of the shell sleeve is embedded into the connecting hole; an external thread is arranged outside the hooping pipe; a tightening nut is arranged on the external thread; the clamping nut is positioned on one side of the insulating head core; therefore, the invention has simple structure and stable connection, can quickly and accurately complete the installation and the disassembly of the connecting plug and the connecting socket, is not easy to generate the phenomenon of bending and deformation of the conductive contact pin, and has good safety.

Description

Safety electric connector

Technical Field

The invention relates to the technical field of electric connectors, in particular to a safe electric connector.

Background

The electric connector is a circuit element for circuit connection, is mainly applied to military systems such as aviation, aerospace, national defense and the like, and is used in various military machines and weaponry, and especially the electric connector used on an airplane is used in a large amount. The use of an aircraft electrical connector can reach hundreds to thousands of pieces, involving tens of thousands of lines, so the connection quality of the electrical connector is very important. The electrical connector is required to meet general performance requirements, and particularly important requirements are that the electrical connector has good contact, reliable operation and convenient maintenance, and whether the reliable operation directly affects the normal operation of an aircraft circuit, which relates to safety of the whole host machine.

The existing electric connector still has many defects and shortcomings, when the connection structure of the connection plug and the connection socket is too simple, the connection part of the connection plug and the connection socket is easy to loosen after the electric connector is used for a period of time, so that the phenomenon of poor conductive contact is caused; when the connection structure of the connection plug and the connection socket is too complex, a large amount of time is required for mounting or dismounting the connection plug and the connection socket, and the working efficiency is reduced; in addition, in the existing electric connector, the connecting plug is easy to transversely shake in the process of installation or disassembly, and the phenomenon that the conductive contact pin is bent, deformed and even broken often occurs, so that the conductive condition of a circuit and the service life of the electric connector are influenced.

Disclosure of Invention

The invention aims to provide a safe electric connector which is simple in structure, stable in connection, capable of quickly and accurately completing the installation and the disassembly of a connecting plug and a connecting socket, not easy to generate the phenomenon of bending and deformation of a conductive contact pin and good in safety.

In order to achieve the purpose, the invention adopts the following technical scheme:

a safety electric connector comprises a connecting socket and a connecting plug; the connecting socket comprises an insulating seat core, an elastic tightening pipe and a tightening nut, wherein the elastic tightening pipe and the tightening nut are positioned outside the insulating seat core; a conductive insert cylinder is arranged in the insulating base core in a penetrating manner; one end of the hooping pipe is fixedly connected with the insulating seat core, and a connecting hole is reserved between the hooping pipe and the insulating seat core; the connecting plug comprises a shell sleeve with two open ends and an insulating head core; a conductive contact pin penetrates through the insulating head core; the insulation head core is arranged in the shell sleeve close to one side of the connection socket; the insulating head core is tightly abutted against the insulating base core and the conductive contact pin is tightly inserted into the conductive insertion barrel; the end part of the shell sleeve is tightly embedded into the connecting hole; an external thread is arranged outside the hooping pipe; the external thread is provided with a clamping nut for limiting the size of the clamping pipe; the tightening nut is positioned on one side of the insulation head core.

Preferably, the shell comprises an outer sleeve and an inner sleeve; the outer sleeve is tightly sleeved outside the inner sleeve close to one side of the connecting socket; a first limiting hole is formed in the outer sleeve, and a first limiting block is fixed on the outer wall of the inner sleeve; the first limiting block is tightly embedded into the first limiting hole from inside to outside.

Preferably, one end of the inner sleeve, which is far away from the connecting socket, is provided with a clamping device for clamping a lead; the clamping device comprises a wire clamp and a tensioning sleeve; one end of the wire clamp close to the insulation head core is tightly embedded into the inner sleeve, and the other end of the wire clamp is provided with a plurality of elastic clamping pieces at intervals along the circumferential direction; a stepped hole is formed in the tensioning sleeve; the clamping piece and the end part of the inner sleeve are sleeved in the big hole of the stepped hole; an inclined plane is arranged between the large hole and the small hole of the stepped hole; the tensioning sleeve is in threaded connection with the inner sleeve, and the clamping piece is driven to radially tighten by screwing the tensioning sleeve to drive the inclined plane to move.

Preferably, the inner wall of the clamping piece is provided with an internal thread for improving the clamping effect.

Preferably, a first guide block is fixed on the outer wall of the outer sleeve; the inner wall of the hooping pipe is provided with a first guide groove along the length direction; the first guide block is tightly embedded into the first guide groove.

Preferably, two oppositely arranged positioning plates are arranged between the insulating head core and the inner sleeve; a convex ring is fixed on the outer wall of the insulating head core, and a clamping groove is formed in the inner wall of the positioning plate; the convex ring is tightly embedded into the clamping groove; the inner end part of the wire clamp is tightly abutted against the outer end of the positioning plate.

Preferably, a second limiting block is fixed on the outer wall of the insulation head core; a second limiting hole is formed in the positioning plate; the second limiting block is tightly embedded into the second limiting hole from inside to outside.

Preferably, a second guide block is fixed at one end of the positioning plate close to the insulating base core; the inner sleeve is provided with a second guide groove along the length direction; the second guide block is tightly embedded into the second guide groove.

Preferably, a third guide block is fixed at one end of the positioning plate, which is far away from the insulating base core; the end part of the wire clamp connected with the positioning plate is provided with a third guide groove; the third guide block is tightly embedded into the third guide groove.

Preferably, the outer wall of the outer sleeve is provided with anti-skid lugs for improving the surface roughness; the anti-skid lugs are positioned outside the hooping pipe.

After the technical scheme is adopted, the invention has the following beneficial effects:

1. according to the safety electric connector, the insulating head core is tightly abutted against the insulating base core, and the end part of the shell sleeve is tightly arranged outside the insulating base core and the insulating head core, so that the transverse movement of the conductive contact pin and the conductive plug barrel can be effectively limited; meanwhile, under the action of the tightening nut, the shell sleeve can be tightly clamped between the tightening pipe and the insulating head core and between the tightening pipe and the insulating base core, the conductive contact pin and the conductive insertion cylinder can be effectively limited from longitudinally moving, the structure is simple, the connection is stable, the installation and the disassembly of the connecting plug and the connecting socket can be quickly and accurately finished, the conductive contact pin is not easy to bend and deform, and the safety is good.

2. According to the safety electric connector, the inclined plane can be driven to move by changing the relative distance between the tensioning sleeve and the inner sleeve according to the thickness of the wire, so that each clamping piece is radially tightened, the wire connected with the conductive contact pin can be effectively clamped, when the wire is pulled, the connecting end of the wire and the conductive contact pin is not easily damaged, and the using effect is good.

3. According to the safety electric connector, the first guide block slides along the first guide groove, so that the mounting angles of the connecting plug and the connecting socket can be quickly found, the outer sleeve and the tightening pipe can be effectively limited to rotate relatively in the mounting and dismounting processes, the conductive contact pin is not prone to bending deformation, and the safety is good.

4. According to the safety electric connector, the anti-skid bumps can improve the roughness of the surface of the outer sleeve, so that an operator can conveniently grasp the outer sleeve during installation or disassembly, and the safety electric connector is convenient to use.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to the present invention;

FIG. 2 is a schematic perspective view of the present invention in use;

FIG. 3 is a schematic view of a cutaway structure of the present invention;

FIG. 4 is a schematic view of the connection socket, connection plug and clamping device of the present invention shown in the uninstalled configuration;

FIG. 5 is a perspective view of the connection socket of the present invention;

FIG. 6 is a schematic perspective view of the inner sleeve of the present invention;

FIG. 7 is a schematic perspective view of the insulator head core and alignment plate of the present invention mounted on the inner sleeve;

FIG. 8 is a schematic structural view of the insulator core, conductive pins and alignment plate of the present invention;

fig. 9 is a schematic structural view of the clamping device of the present invention.

The reference numbers in the figures denote:

1. a connection socket; 10. an insulating base core; 11. tightening the tube; 110. an external thread; 111. a first guide groove; 12. tightening the nut; 13. a conductive insert; 14. connecting holes; 2. a connecting plug; 20. a shell; 200. a jacket; 2000. a first limit hole; 2001. a first guide block; 2002. an anti-slip bump; 201. an inner sleeve; 2010. a first stopper; 2011. a second guide groove; 21. an insulator head core; 210. a convex ring; 211. a second limiting block; 22. a conductive pin; 23. positioning a plate; 230. a card slot; 231. a second limiting hole; 232. a second guide block; 233. a third guide block; 3. a clamping device; 30. wire clamps; 300. a clip; 301. a third guide groove; 302. an internal thread; 31. a tensioning sleeve; 310. a stepped hole; 311. a bevel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, a safety electrical connector includes a connection socket 1 and a connection plug 2; the connecting socket 1 comprises an insulating socket core 10, an elastic tightening pipe 11 and a tightening nut 12, wherein the elastic tightening pipe 11 is positioned outside the insulating socket core 10; a conductive insert barrel 13 penetrates through the insulating base core 10; one end of the hooping pipe 11 is fixedly connected with the insulating seat core 10, and a connecting hole 14 is reserved between the hooping pipe 11 and the insulating seat core 10; the connecting plug 2 comprises a shell 20 with two open ends and an insulating head core 21; a conductive pin 22 penetrates through the insulating head core 21; the insulation head core 21 is arranged in the shell 20 close to one side of the connection socket 1; the insulating head core 21 is tightly abutted against the insulating base core 10 and the conductive pin 22 is tightly inserted into the conductive inserting barrel 13; the end part of the shell 20 is tightly embedded into the connecting hole 14; an external thread 110 is arranged outside the tightening pipe 11; the external thread 110 is provided with a tightening nut 12 for limiting the size of the tightening pipe 11; the tightening nut 12 is located on the side of the insulator head core 21.

As shown in fig. 1 to 4, the housing 20 includes an outer sleeve 200 and an inner sleeve 201; the outer sleeve 200 is tightly sleeved outside the inner sleeve 201 close to one side of the connecting socket 1; a first limiting hole 2000 is formed in the outer sleeve 200, and a first limiting block 2010 is fixed on the outer wall of the inner sleeve 201; the first stopper 2010 is tightly inserted into the first stopper hole 2000 from the inside to the outside.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 9, a clamping device 3 for clamping a wire is arranged at one end of the inner sleeve 201 away from the connecting socket 1; the clamping device 3 comprises a wire clamp 30 and a tension sleeve 31; one end of the wire clamp 30 close to the insulation head core 21 is tightly embedded into the inner sleeve 201, and the other end is provided with a plurality of elastic clamping pieces 300 at intervals along the circumferential direction; a stepped hole 310 is formed in the tensioning sleeve 31; the end parts of the clamping piece 300 and the inner sleeve 201 are sleeved in the large hole of the stepped hole 310; an inclined surface 311 is arranged between the large hole and the small hole of the stepped hole 310; the tension sleeve 31 is in threaded connection with the inner sleeve 201, and the clamping piece 300 is radially tightened by screwing the tension sleeve 31 to drive the inclined surface 311 to move, so that a lead (not shown in the figure) connected with the conductive pin 22 is clamped by the clamping piece 300.

As shown in fig. 3 and 9, the inner wall of the clip 300 is provided with an internal thread 302 for improving the clamping effect on a wire (not shown).

As shown in fig. 1, 4 and 5, a first guide block 2001 is fixed on the outer wall of the outer sleeve 200; a first guide groove 111 is formed in the inner wall of the tightening pipe 11 along the length direction of the tightening pipe; the first guide block 2001 is tightly fitted into the first guide groove 111.

As shown in fig. 1, 3 and 8, two positioning plates 23 are disposed between the insulation head core 21 and the inner sleeve 201; a convex ring 210 is fixed on the outer wall of the insulating head core 21, and a clamping groove 230 is formed in the inner wall of the positioning plate 23; the convex ring 210 is tightly inserted into the slot 230; the inner end part of the wire clamp (30) is tightly abutted against the outer end of the positioning plate 23.

As shown in fig. 1 and 8, a second stop block 211 is fixed on the outer wall of the insulation head core 21; the positioning plate 23 is provided with a second limiting hole 231; the second stopper 211 is tightly inserted into the second stopper hole 231 from the inside to the outside.

As shown in fig. 1, 6, 7 and 8, a second guide block 232 is fixed at one end of the positioning plate 23 close to the insulating base core 10; the inner sleeve 201 is provided with a second guide groove 2011 along the length direction; the second guide block 232 is tightly fitted into the second guide groove 2011.

As shown in fig. 1, 3, 8 and 9, a third guide block 233 is fixed at one end of the positioning plate 23 away from the insulating base core 10; a third guide groove 301 is formed at the end part of the wire clamp 30 connected with the positioning plate 23; the third guide block 233 is tightly fitted into the third guide groove 301.

As shown in fig. 1, 2 and 4, the outer wall of the outer sleeve 200 is provided with anti-slip bumps 2002 for improving surface roughness; the anti-slip protrusions 2002 are located outside the cinch tube 11.

The installation process of the invention is as follows:

when the safety electric connector is used, firstly, a lead (not shown in the figure) sequentially passes through the tension sleeve 31 and the wire clamp 30 to be connected with the conductive contact pin 22, and then the convex ring 210 is tightly embedded into the clamping groove 230 and the second limiting block 211 is tightly embedded into the second limiting hole 231 from inside to outside, so that the two positioning plates 23 are arranged outside the insulating head core 21; then, the positioning plate 23 is pushed to tightly mount the second guide block 232 in the inner sleeve 201 along the second guide groove 2011, the end of the cable clamp 30 close to the insulation head core 21 is tightly embedded in the inner sleeve 201, and then the tensioning sleeve 31 is screwed; then, the inner sleeve 201 is pushed, the first limiting block 2010 is tightly embedded into the first limiting hole 2000 from inside to outside, so that the inner sleeve 201 is tightly sleeved in the outer sleeve 200, the outer sleeve 200 is pushed again, the first guide block 2001 is tightly embedded into the first guide groove 111, until the end parts of the outer sleeve 200 and the inner sleeve 201 are tightly embedded into the connecting hole 14, at the moment, the insulating head core 21 is tightly abutted against the insulating base core 10, and the conductive pin 22 is tightly inserted into the conductive insert barrel 13; finally, screwing the tightening nut 12 to tightly clamp the shell 20 between the tightening pipe 11 and the insulation head core 21 and the insulation base core 10, and finishing installation; therefore, the safety electric connector is simple and stable in connection, can quickly and accurately complete the installation and the disassembly of the connecting plug 2 and the connecting socket 1, is not easy to generate the phenomenon of bending deformation of the conductive contact pin 22, and has good safety.

While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A secure electrical connector, comprising: comprises a connecting socket (1) and a connecting plug (2); the connecting socket (1) comprises an insulating base core (10), an elastic tightening pipe (11) and a tightening nut (12), wherein the elastic tightening pipe is positioned outside the insulating base core (10); a conductive insertion cylinder (13) penetrates through the insulating base core (10); one end of the tightening pipe (11) is fixedly connected with the insulating base core (10), and a connecting hole (14) is reserved between the tightening pipe (11) and the insulating base core (10); the connecting plug (2) comprises a shell sleeve (20) with two open ends and an insulating head core (21); a conductive contact pin (22) penetrates through the insulating head core (21); the insulation head core (21) is arranged in the shell sleeve (20) close to one side of the connecting socket (1); the insulating head core (21) is tightly abutted against the insulating base core (10) and the conductive pin (22) is tightly inserted into the conductive inserting cylinder (13); the end part of the shell sleeve (20) is tightly embedded into the connecting hole (14); an external thread (110) is arranged outside the tightening pipe (11); the external thread (110) is provided with a tightening nut (12) for limiting the size of the tightening pipe (11); the tightening nut (12) is positioned on one side of the insulating head core (21); the shell sleeve (20) comprises an outer sleeve (200) and an inner sleeve (201); the outer sleeve (200) is tightly sleeved outside the inner sleeve (201) close to one side of the connecting socket (1); a first limiting hole (2000) is formed in the outer sleeve (200), and a first limiting block (2010) is fixed on the outer wall of the inner sleeve (201); the first limiting block (2010) is tightly embedded into the first limiting hole (2000) from inside to outside.

2. A safety electrical connector as in claim 1 wherein: one end of the inner sleeve (201), which is far away from the connecting socket (1), is provided with a clamping device (3) for clamping a lead; the clamping device (3) comprises a wire clamp (30) and a tensioning sleeve (31); one end of the wire clamp (30) close to the insulating head core (21) is tightly embedded into the inner sleeve (201), and the other end of the wire clamp is provided with a plurality of elastic clamping pieces (300) at intervals along the circumferential direction; a stepped hole (310) is formed in the tensioning sleeve (31); the end parts of the clamping piece (300) and the inner sleeve (201) are sleeved in the large hole of the stepped hole (310); an inclined plane (311) is arranged between the large hole and the small hole of the stepped hole (310); the tensioning sleeve (31) is in threaded connection with the inner sleeve (201), and the clamping piece (300) is driven to radially tighten by screwing the tensioning sleeve (31) to drive the inclined plane (311) to move.

3. A secure electrical connector as recited in claim 2, wherein: the inner wall of the clamping piece (300) is provided with an internal thread (302) for improving the clamping effect.

4. A secure electrical connector as in claim 3 wherein: a first guide block (2001) is fixed on the outer wall of the outer sleeve (200); a first guide groove (111) is formed in the inner wall of the tightening pipe (11) along the length direction of the tightening pipe; the first guide block (2001) is tightly fitted into the first guide groove (111).

5. A secure electrical connector as in claim 4 wherein: two opposite positioning plates (23) are arranged between the insulating head core (21) and the inner sleeve (201); a convex ring (210) is fixed on the outer wall of the insulating head core (21), and a clamping groove (230) is formed in the inner wall of the positioning plate (23); the convex ring (210) is tightly embedded into the clamping groove (230); the inner end part of the wire clamp (30) is tightly propped against the outer end of the positioning plate (23).

6. A secure electrical connector as in claim 5 wherein: a second limiting block (211) is fixed on the outer wall of the insulation head core (21); a second limiting hole (231) is formed in the positioning plate (23); the second limiting block (211) is tightly embedded into the second limiting hole (231) from inside to outside.

7. A secure electrical connector as in claim 6 wherein: a second guide block (232) is fixed at one end of the positioning plate (23) close to the insulating base core (10); the inner sleeve (201) is provided with a second guide groove (2011) along the length direction; the second guide block (232) is tightly inserted into the second guide groove (2011).

8. A secure electrical connector as in claim 7 wherein: a third guide block (233) is fixed at one end of the positioning plate (23) far away from the insulating base core (10); a third guide groove (301) is formed in the end part, connected with the positioning plate (23), of the wire clamp (30); the third guide block (233) is tightly inserted into the third guide groove (301).

9. A safety electrical connector as in claim 1 wherein: the outer wall of the outer sleeve (200) is provided with anti-skid lugs (2002) for improving the surface roughness; the anti-skid lugs (2002) are positioned outside the tightening pipe (11).