CN215833652U

CN215833652U - Outdoor LC connector and adapter thereof

Info

Publication number: CN215833652U
Application number: CN202122178736.6U
Authority: CN
Inventors: 李尧乐
Original assignee: Huizhou Feibokang Industrial Co ltd
Current assignee: Huizhou Feibokang Industrial Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-15
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses an outdoor LC connector which is used for connecting an adapter and an external optical cable and comprises a ferrule assembly for connecting the optical cable and a hollow stop sleeve sleeved outside the ferrule assembly, wherein the outer surface of the stop sleeve is provided with a hollow outer frame sleeve with an external thread opening at one end and a first dustproof cap sleeved outside the external thread opening of the outer frame sleeve, a stop ring for clamping the optical cable is arranged in the lower end part of the stop sleeve, and the ferrule assembly is clamped to a hollow clamping bulge of the stop sleeve through a clamping column at the bottom of a deconcentrator. The LC connector is simple in structure, connected through the spiral threads, easy to install and stable in structure, and the waterproof and dustproof structure is arranged at the connecting position, so that the LC connector can effectively prevent water and dust. The adapter for the outdoor LC connector is simple in installation mode, easy to assemble and produce, stable in overall structure, good in waterproof and dustproof capacity, and suitable for indoor/outdoor environments where optical fibers arrive at home.

Description

Outdoor LC connector and adapter thereof

Technical Field

The utility model relates to the technical field of optical fiber connection, in particular to an outdoor LC connector and an adapter thereof.

Background

Optical fiber splices (optical fiber splices), which are end devices for optical fibers, permanently or detachably join two optical fibers together and have a splicing section of protective member. The existing LC type optical fiber connection joint for outdoor use has the problems of unstable structure, untight connection and poor waterproof and dustproof performance. Some improvements to the structure are designed to be more complex in order to solve the problem of unstable structure, the number of parts is more, and the assembly process becomes complex.

Moreover, the LC connector needs to be connected with the LC type optical fiber adapter for signal connection and other work, so that the matched adapter is very important, matching connection can be accurately carried out with the connector, and the stability of connection are effectively improved. Most LC adapters in the prior art do not adopt a dustproof structure, so that the dustproof water discharging capability of the adapters is not enough. Adapters with dust cap structures are prone to cap loss during removal and donning.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects in the background art, the utility model provides an outdoor LC connector and an adapter thereof, which solve the technical problems and meet the actual requirements, and the specific technical scheme is as follows:

an outdoor LC connector is used for connecting an adapter and an external optical cable and comprises a ferrule assembly for connecting the optical cable and a hollow locking sleeve sleeved outside the ferrule assembly, wherein the outer surface of the locking sleeve is provided with a hollow outer frame sleeve with an external thread opening at one end and a first dustproof cap sleeved outside the external thread opening of the outer frame sleeve, a locking ring for clamping the optical cable is arranged in the lower end part of the locking sleeve, the ferrule assembly is clamped to a hollow clamping bulge of the locking sleeve through a card inserting column at the bottom of a deconcentrator, and the clamping bulge is symmetrically provided with first clamping holes penetrating through the outer side of the locking sleeve;

the plug core assembly comprises a deconcentrator, two connecting seats sleeved at the front end of the deconcentrator and a stop plug core arranged in the connecting seats, wherein the deconcentrator comprises an upper cover and a lower cover which are mutually inserted in a clamping way and have different thicknesses, the thickness of the lower cover is larger than that of the upper cover, one side of the lower cover, which is close to the upper cover, is provided with an arc-shaped slot with an outward opening, the upper cover is inserted into the arc-shaped slot through an inward-convex arc-shaped bulge and is buckled with the lower cover, the bottoms of the upper cover and the lower cover are respectively provided with a clamping column with the same thickness, one side, which is far away from each other, of the two clamping columns is provided with a first limiting block corresponding to a first clamping hole, one side, which is far away from the clamping column, of the lower cover is provided with an integrally-formed sleeving column, the front end of the upper cover is abutted against the bottom end of the sleeving column, the sleeving column and the clamping column are both in an inner round and outer shape, and two sides of the sleeving column are respectively provided with a second limiting block, the upper surface of the sleeve column is provided with a connecting opening along the length direction, and the lower surface of the sleeve column is provided with guide strips in the same direction;

the connecting seat cup joints the surface at the cover post through the fluting of downside along the gib block, the outside of connecting seat is equipped with the third card hole that integrated into one piece pressed the shell fragment and located both sides follow, still be equipped with the hexagon through-hole that runs through the front and back end in the connecting seat, hexagon through-hole cross-section is the terrace with edge form, the backstop lock pin is inserted through hexagon stop part and is located in the hexagon through-hole, the front end of hexagon stop part is equipped with the lock pin that passes the hexagon through-hole, the rear end cover of hexagon stop part is equipped with the wire barrel, the surface cover of wire barrel has first spring, the lock pin salient is equipped with the protective cap in the front end and the surface cover of connecting seat.

As a further technical scheme of the present invention, a first fixing ring with a first connecting line is disposed at a rear end of the locking sleeve, a first locking plate clamped with a first dust cap is connected to another end of the first connecting line, two symmetrical extending ends are disposed at a front end of the locking sleeve, and a first sealing groove and a first sealing ring for interference fit with the outer frame sleeve are disposed at an outer side of the locking sleeve.

As a further technical scheme of the present invention, a second seal groove and a second seal ring are disposed at a front end of the external thread opening, and an internal thread matched with the external thread opening is disposed inside a lower end portion of the first dust cap.

As a further technical scheme of the utility model, the inner ring of the clamping protrusion is quadrilateral, the insertion core assembly is inserted into the clamping protrusion through the clamping insertion column, and the other end of the insertion core assembly extends to the position between the extending ends of the stop sleeve.

An adapter for an outdoor LC connector is used for the mutual matching of the outdoor LC connector of any one of claims 1 to 4, and comprises a hollow shell with external threads, wherein a limiting seat is clamped at the inner side of the front end of the shell, a connecting needle seat is arranged in the limiting seat in a sleeved mode, the rear end of the connecting needle seat extends into the shell, a tightening hoop is arranged on one side, close to the limiting seat, of the shell, a second dustproof cap is screwed to the inner side of one end, far away from the limiting seat, of the shell, a clamping groove for clamping a second fixing ring is formed in the rear end of the shell, and the second fixing ring is connected with a second locking plate, sleeved on the top end of the second dustproof cap, through a second connecting wire.

As a further technical scheme of the present invention, a third seal groove and a third seal ring are disposed at the front end of the second dust cap, the third seal ring is in interference fit with the housing, and an external thread is disposed on the outer side of the front end of the second dust cap.

As a further technical scheme of the utility model, the limiting seat extends towards the inner side of the shell and is symmetrically provided with outward pressing fixture blocks, and the cross section of the inner outline of the limiting seat is quadrilateral.

As a further technical scheme, the connecting needle base is provided with two through connecting holes, connecting wire tubes are arranged in the connecting holes, two sides of the connecting needle base are outwards provided with protrusions in a shape like a Chinese character 'tu', a spring is arranged around the outer side of the connecting needle base and located between the protrusions and the limiting base.

As a further technical scheme of the utility model, the rear end part of the shell is provided with an internal thread corresponding to the external thread, the inner side of the front end of the shell is provided with a second clamping hole penetrating the outside and corresponding to the pressing clamping block, and the inner side of the shell is symmetrically provided with clamping positions corresponding to the protrusions.

The utility model has the beneficial effects that: this outdoor LC connector simple structure, convenient production and equipment, and adopt helical structure, easily connect and can guarantee the stability of connecting, this outdoor LC connector still is equipped with waterproof dustproof construction in each junction, can effectually carry out dustproof and waterproof, protects this normal work and the life of outdoor LC connector.

This adapter for outdoor LC connector, simple structure, easily production and installation can effectively reduction in production cost, and connection structure is stable and has waterproof dustproof construction simultaneously, and when can the outdoor LC connector of effectual assurance, dustproof and waterproof that can be abundant guarantees stability and life connected.

This outdoor LC connector and adapter all are equipped with the dust cap structure, can protect connector and adapter before using the installation, the invasion of fully isolated steam and dust, and the simple easily installation of dustproof construction dismantlement, and still be equipped with and prevent losing the structure, can reuse, in addition, this outdoor LC connector and adapter connected mode is simple stable, can effectively guarantee the normal work of optic fibre, is applicable to the indoor/outdoor environment of fiber to the home.

Drawings

Fig. 1 is a schematic structural diagram of an outdoor LC connector according to the present invention.

Fig. 2 is a schematic view of an internal cross-sectional structure of an outdoor LC connector according to the present invention.

Fig. 3 is an exploded view of an outdoor LC connector according to the present invention.

Fig. 4 is a schematic view of the internal cross-sectional structure of an outdoor LC connector stop sleeve according to the present invention.

Fig. 5 is a schematic structural diagram of an outdoor LC connector splitter according to the present invention.

Fig. 6 is a schematic structural view of a lower cover of an outdoor LC connector according to the present invention.

Fig. 7 is a schematic structural diagram of an upper cover of an outdoor LC connector according to the present invention.

Fig. 8 is a schematic structural diagram of an outdoor LC connector connecting base according to the present invention.

Fig. 9 is a schematic structural diagram of an outdoor LC connector stopper ferrule according to the present invention.

Fig. 10 is a schematic structural diagram of an outdoor LC connector adapter according to the present invention.

Fig. 11 is an exploded view of an outdoor LC connector adapter according to the present invention.

Fig. 12 is a schematic view of the internal cross-sectional structure of an outdoor LC connector adapter housing of the present invention.

Fig. 13 is a schematic structural view of an adapter connector needle seat for an outdoor LC connector according to the present invention.

Fig. 14 is a schematic structural diagram of an outdoor LC connector and an adapter thereof according to the present invention.

Fig. 15 is a schematic view of the internal cross-sectional structure of an outdoor LC connector and its adapter in use.

Wherein: the optical cable 1, the ferrule assembly 2, the splitter 20, the card post 200, the first stopper 2000, the upper cover 201, the arc-shaped slot 2010, the lower cover 202, the arc-shaped projection 2020, the socket post 203, the second stopper 2030, the connection opening 2031, the guide bar 2032, the connector holder 21, the slot 210, the pressing spring 211, the third locking hole 212, the hexagonal through hole 213, the stopper ferrule 22, the hexagonal stopper 220, the ferrule 221, the protective cap 2210, the wire connecting tube 222, the first spring 223, the stopper sleeve 3, the stopper ring 30, the clamping projection 31, the first locking hole 310, the first fixing ring 32, the first connection wire 320, the first locking piece 321, the extension end 33, the first sealing groove 34, the first sealing ring 340, the outer frame 4, the external thread opening 40, the second sealing groove 400, the

second sealing ring

401, 402, the first dust cap 41, the housing 5, the external thread 50, the stopper holder 51, the connection needle holder 510, the connection hole 5100, the external thread opening 40, the second sealing groove 400, the external thread opening 31, the external thread opening, and the external thread opening, The protrusion 5102, the spring 5103, the pressing fixture block 511, the second dust cap 52, the third sealing groove 520, the third sealing ring 5201, the second fixing ring 53, the clamping groove 530, the second connecting line 531, the second locking plate 532, the second clamping hole 54, the clamping position 55 and the tightening ring 56.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings and related embodiments, wherein the following related embodiments are merely preferred embodiments for better illustrating the present invention itself, and the embodiments of the present invention are not limited to the following embodiments, and the present invention relates to the related essential parts in the technical field, which should be regarded as the known technology in the technical field and can be known and grasped by those skilled in the art.

Referring to fig. 1 to 9, an outdoor LC connector is used for connecting an adapter and an external optical cable 1, and includes a ferrule assembly 2 for connecting the optical cable 1 and a hollow stop sleeve 3 sleeved outside the ferrule assembly 2, the outer surface of the stop sleeve 3 is provided with a hollow outer frame 4 having an external thread opening 40 at one end and a first dust cap 41 sleeved outside the external thread opening 40 of the outer frame 4, a stop ring 30 for clamping the optical cable 1 is arranged in the lower end of the stop sleeve 3, the ferrule assembly 2 is clamped in a hollow clamping protrusion 31 of the stop sleeve 3 through a clamping and inserting column 200 at the bottom of a splitter 20, and the clamping protrusion 31 is symmetrically provided with first clamping holes 310 penetrating through the outer side of the stop sleeve 3;

the ferrule assembly 2 comprises a wire splitter 20, two connecting seats 21 sleeved at the front end of the wire splitter 20 and a stop ferrule 22 arranged in the connecting seats 21, wherein the wire splitter 20 comprises an upper cover 201 and a lower cover 202 which are mutually inserted in a clamping manner and have different thicknesses, the thickness of the lower cover 202 is larger than that of the upper cover 201, one side of the lower cover 202 close to the upper cover 201 is provided with an arc-shaped slot 2010 with an outward opening, the upper cover 201 is inserted into the arc-shaped slot 2010 through an arc-shaped bulge 2020 of an inward bulge 5102 to be buckled with the lower cover 202, the bottoms of the upper cover 201 and the lower cover 202 are respectively provided with a clamping and inserting column 200 with the same thickness, one side of the two clamping and inserting columns 200, which is far away from each other, is provided with a first limiting block 2000 corresponding to the first clamping hole 310, one side of the lower cover 202, which is far away from the clamping and inserting column 200, is provided with an integrally formed sleeving column 203, the front end of the upper cover 201 is abutted against the bottom end of the sleeving column 203 and the sleeving column 200, and the whole shapes of the sleeving column 203 and the clamping column 200 are both in an inner circle and an outer direction, second limiting blocks 2030 are arranged on two sides of the sleeving column 203, a connecting opening 2031 is formed in the upper surface of the sleeving column 203 along the length direction, and guide strips 2032 in the same direction are arranged on the lower surface of the sleeving column 203;

the connecting base 21 is sleeved on the outer surface of the sleeving column 203 along the guide strip 2032 through the open groove 210 on the lower side, the outer side of the connecting base 21 is provided with the integrally formed pressing spring piece 211 and the third clamping holes 212 arranged on the two sides, the connecting base 21 is further internally provided with the hexagonal through hole 213 penetrating through the front end and the rear end, the cross section of the hexagonal through hole 213 is in a frustum shape, the stopping plug core 22 is inserted in the hexagonal through hole 213 through the hexagonal stop member 220, the front end of the hexagonal stop member 220 is provided with the plug core 221 penetrating through the hexagonal through hole 213, the rear end of the hexagonal stop member 220 is sleeved with the wiring pipe 222, the outer surface of the wiring pipe 222 is sleeved with the first spring 223, and the plug core 221 protrudes out of the front end of the connecting base 21 and the outer surface is sleeved with the protective cap 2210.

As a further technical solution of the present invention, a first fixing ring 32 with a first connecting line 320 is disposed at a rear end of the stopper sleeve 3, a first locking piece 321 that is clamped with the first dust cap 41 is connected to another end of the first connecting line 320, two symmetrical extending ends 33 are disposed at a front end of the stopper sleeve 3, and a first sealing groove 34 and a first sealing ring 340 that are used for interference fit with the outer frame 4 are disposed at an outer side of the stopper sleeve 3.

As a further technical solution of the present invention, a second seal groove 400 and a second seal ring 401 are provided at a front end of the external thread opening 40, and an internal thread 402 that is engaged with the external thread opening 40 is provided inside a lower end portion of the first dust cap 41.

As a further technical solution of the present invention, an inner ring of the clamping protrusion 31 is quadrilateral, the ferrule assembly 2 is inserted into the clamping protrusion 31 through the clamping post 200, and the other end thereof extends to between the extending ends 33 of the stop sleeve 3.

Referring to fig. 10 to 13, an adapter for an outdoor LC connector is used for the mutual matching of the outdoor LC connectors of any one of claims 1 to 4, and includes a hollow housing 5 with external threads 50, a limiting seat 51 is clamped at the inner side of the front end of the housing 5, a connecting needle seat 510 is sleeved in the limiting seat 51, the rear end of the connecting needle seat 510 extends into the housing 5, a tightening band 56 is arranged at one side of the housing 5 close to the limiting seat 51, a second dust cap 52 is screwed at the inner side of one end of the housing 5 far away from the limiting seat 51, a clamping groove 530 for clamping the second fixing ring 53 is arranged at the rear end of the housing 5, and the second fixing ring 53 is connected with a second locking plate 532 sleeved at the top end of the second dust cap 52 through a second connecting wire 531.

As a further technical solution of the present invention, a third seal groove 520 and a third seal ring 5201 are disposed at the front end of the second dust cap 52, the third seal ring 5201 is in interference fit with the housing 5, and an external thread 50 is disposed at the outer side of the front end of the second dust cap 52.

As a further technical solution of the present invention, the limiting seat 51 extends toward the inner side of the housing 5 and is symmetrically provided with outward pressing fixture blocks 511, and the cross section of the inner contour of the limiting seat 51 is a quadrangle.

As a further technical scheme of the present invention, the connector base 510 is provided with two through connection holes 5100, a connection wire tube is arranged in the connection holes 5100, two sides of the connector base 510 are outwardly provided with protrusions 5102 shaped like a Chinese character 'tu', a spring 5103 is arranged around the outer side of the connector base 510, and the spring 5103 is located between the protrusions 5102 and the limiting base 51.

As a further technical solution of the present invention, the rear end portion of the housing 5 is provided with an internal thread 402 corresponding to the external thread 50, the inner side of the front end of the housing 5 is provided with a second locking hole 54 penetrating the outside and corresponding to the pressing locking block 511, and the inner side of the housing 5 is symmetrically provided with locking parts 55 corresponding to the protrusion 5102.

As a preferred embodiment of an outdoor LC connector according to the present invention, please refer to fig. 1 to 9, which show that an outdoor LC connector includes a ferrule assembly 2 for connecting an optical cable 1 and a hollow stop sleeve 3 sleeved outside the ferrule assembly 2, the outer surface of the stop sleeve 3 is provided with a hollow outer frame 4 having an external thread opening 40 at one end and a first dust cap 41 sleeved outside the external thread opening 40 of the outer frame 4, a stop ring 30 for clamping the optical cable 1 is disposed in the lower end of the stop sleeve 3, the ferrule assembly 2 is clamped in a hollow clamping protrusion 31 of the stop sleeve 3 through a clamping and inserting column 200 at the bottom of a splitter 20, the rear end of the stop sleeve 3 is provided with a first fixing ring 32 having a first connecting wire 320, the other end of the first connecting wire 320 is connected with a first locking piece 321 for clamping the first dust cap 41, and the outer side of the stop sleeve 3 is provided with a first sealing groove 34 and a first sealing ring for interference fit with the outer frame 4 and a first sealing ring 34 340, the optical cable 1 is led into the stopping sleeve 3 through the stopping ring 30 in the stopping sleeve 3, the optical fiber in the optical cable 1 passes through the splicing column to be connected with the deconcentrator 20, so that the ferrule assembly 2 is connected with the optical cable 1 outside the utility model, and then is connected with an adapter through the ferrule assembly 2, the outer frame sleeve 4 is sleeved on the outer surface of the stopping sleeve 3, the outer frame sleeve 4 and the stopping sleeve 3 are in interference fit through the first sealing ring 340, a sealed connection is formed between the lower end part of the outer frame sleeve 4 and the stopping sleeve 3, so as to ensure the waterproof and dustproof of the structure of the utility model, besides, when the LC connector is not connected, the outer frame sleeve 4 is screwed with the first dustproof cap 41 through the external thread opening 40 at the front end, and a sealed cavity is formed at the front end of the stopping sleeve 3, when the connector is connected, a user unscrews the first dust cap 41, inserts the front end of the stop sleeve 3 into the adapter, and then screws the stop sleeve with the adapter through the outer frame sleeve 4, the connection structure of the external thread opening 40 can ensure the stability of the connector and facilitate the installation and the disassembly, a closed space can be formed at the front end of the stop sleeve 3 for the ferrule assembly 2, so that the dust-proof and waterproof effects are achieved, and meanwhile, when the connector is connected, the unscrewed first dust cap 41 is connected with the first fixing ring 32 through the first connection wire 320 by the first locking sheet 321, so that the first dust cap 41 is not lost when not being used, and the next utilization is facilitated.

As a preferred embodiment of an outdoor LC connector according to the present invention, please refer to fig. 1 to 9, wherein the ferrule assembly 2 is clamped to a hollow clamping protrusion 31 of the locking sleeve 3 through a clamping post 200 at the bottom of the splitter 20, and the clamping protrusion 31 is symmetrically provided with first clamping holes 310 penetrating through the outer side of the locking sleeve 3; the plug core assembly 2 comprises a splitter 20, two connecting seats 21 sleeved at the front end of the splitter 20 and a stop plug core 22 arranged in the connecting seats 21, wherein the splitter 20 comprises an upper cover 201 and a lower cover 202 which are mutually inserted in a clamping manner and have different thicknesses, the thickness of the lower cover 202 is larger than that of the upper cover 201, one side of the lower cover 202, which is close to the upper cover 201, is provided with an arc-shaped slot 2010 with an outward opening, the upper cover 201 is inserted into the arc-shaped slot 2010 through an arc-shaped protrusion 2020 of an inward protrusion 5102 to be buckled with the lower cover 202, the center of the front end part of the upper cover 201 is provided with a barb, the lower cover 202 is provided with a hook slot with an upward opening and corresponding to the barb, and the hook slot and the barb are matched to increase the buckling stability of the upper cover 201 and the lower cover 202; the distributor 20 is buckled through the arc-shaped slot 2010 and the arc-shaped protrusion 2020, when a user connects optical fibers, the optical fibers are introduced through the bayonet post 200 at the bottom end of the distributor 20, the lower cover 202 divides the optical fibers, the optical fibers are introduced into different socket posts 203, and then the upper cover 201 is matched with the arc-shaped slot 2010 through the arc-shaped protrusion 2020 to push the upper cover 201 to be abutted against the socket posts 203, so that the buckling of the upper cover 201 and the lower cover 202 is completed, the distributor 20 passes through the upper cover 201 and the lower surface, which is convenient for connecting and installing the optical fibers, and meanwhile, the installation of the ferrule assembly 2 can be performed through the bayonet post 200.

As a preferred embodiment of an outdoor LC connector according to the present invention, please refer to fig. 1 to 9, the bottom portions of the upper cover 201 and the lower cover 202 are both provided with a card insertion column 200 having a uniform thickness, one side of the two card insertion columns 200 away from each other is provided with a first limiting block 2000 corresponding to the first card hole 310, one side of the lower cover 202 away from the card insertion column 200 is provided with an integrally formed socket column 203, the front end of the upper cover 201 abuts against the bottom end of the socket column 203, and the overall shapes of the socket column 203 and the card insertion column 200 are both inside and outside; the optical cable 1 of the present invention is fixed in the locking sleeve 3 through the locking ring 30 inside the lower end portion of the locking sleeve 3, and then is separated by the wire splitter 20 to connect with the connecting seat 21 arranged at the front end of the wire splitter 20, the thicknesses of the upper cover 201 and the lower cover 202 of the wire splitter 20 are different, and the thickness of the upper cover 201 is smaller than the thickness of the lower cover 202, but the thicknesses of the card insertion columns 200 are the same, so that a gap is formed between the two card insertion columns 200 at the lower end portion of the wire splitter 20, which is convenient for the insertion core assembly 2 to be inserted into the locking sleeve 3. Leave the space between the post 200 is inserted to the card, convenient light in the equipment can with post 200 is inserted to the card in the protruding 31 of joint, just the protruding 31 inner ring of joint is the quadrangle, with post 200 is inserted to the card's whole shape adaptation makes post 200 is inserted to the card rotating that can not easily in the protruding 31 of joint guarantees the stability of connecting, simultaneously the protruding 31 symmetry of joint is equipped with and runs through the locking sleeve 3 outside first calorie of hole 310, the cooperation post 200 is inserted to the card first stopper 2000 can make post 200 is inserted to the card can not be not become flexible from top to bottom in the protruding 31 of joint, guarantees the connection of optic fibre is stable in deconcentrator 20.

As a preferred embodiment of an outdoor LC connector of the present invention, please refer to fig. 1 to 9, wherein one side of the lower cover 202 away from the card insertion column 200 is provided with an integrally formed socket column 203, the front end of the upper cover 201 abuts against the bottom end of the socket column 203, the overall shapes of the socket column 203 and the card insertion column 200 are both inner and outer, two sides of the socket column 203 are provided with second limiting blocks 2030, the upper surface of the socket column 203 is provided with a connecting opening 2031 along the length direction, and the lower surface of the socket column 203 is provided with a guide strip 2032 in the same direction; the connecting base 21 is sleeved on the outer surface of the sleeving column 203 along the guide strip 2032 through the open groove 210 on the lower side, the outer side of the connecting base 21 is provided with the integrally formed pressing spring piece 211 and the third clamping hole 212 arranged on the two sides, the connecting base 21 is further provided with the hexagonal through hole 213 penetrating through the front end and the rear end, the cross section of the hexagonal through hole 213 is in a frustum pyramid shape, the stopping ferrule 22 is inserted in the hexagonal through hole 213 through the hexagonal stopping piece 220, the front end of the hexagonal stopping piece 220 is provided with the ferrule 221 penetrating through the hexagonal through hole 213, the rear end of the hexagonal stopping piece 220 is sleeved with the wiring tube 222, the outer surface of the wiring tube 222 is sleeved with the first spring 223, the ferrule 221 protrudes out of the front end of the connecting base 21 and the outer surface is sleeved with the protective cap 2210, the connecting base 21 and the sleeving column 203 are matched with the open groove 210 through the guide strip 2032, and the sleeving column 203 can be smoothly sleeved into the connecting base 21 through the connecting opening 2031, the connecting post can be accurately sleeved with the sleeving post 203, after the connecting seat 21 and the sleeving post 203 are sleeved, the second limiting block 2030 is clamped in the third clamping hole 212 to ensure the stability of the connection, meanwhile, the optical fiber in the sleeving post 203 is connected with the stopping ferrule 22, the hexagonal stopper 220 of the stopping ferrule 22 is kept in contact with the hexagonal through hole 213 through the first spring 223, meanwhile, the hexagonal structural shape is favorable for avoiding the interference of the hexagonal stopper 220 in the hexagonal through hole 213, further ensuring the stability of the connection structure, the connecting tube 222 is used for connecting the optical fiber and the ferrule 221, the ferrule 221 passes through the hexagonal through hole 213, protrudes out of the top end of the connecting seat 21, and the protective cap 2210 is arranged on the outer surface of the connecting tube, so as to further improve the waterproof and dustproof capability of the present invention, when the plug is used, the user needs to pull off the protective cap 2210 from the ferrule 221 after unscrewing the first dust cap 41, so as to perform plugging.

As a preferred embodiment of the adapter for the outdoor LC connector of the present invention, please refer to fig. 10 to 13, the adapter is mutually matched, and includes a hollow shell 5 with an external thread 50, a limiting seat 51 is clamped on the inner side of the front end of the shell 5, a connecting needle seat 510 is sleeved in the limiting seat 51, the rear end of the connecting needle seat 510 extends into the shell 5, the limiting seat 51 extends towards the inner side of the shell 5 and is symmetrically provided with outward pressing blocks 511, the cross section of the inner profile of the limiting seat 51 is quadrilateral, the connecting needle seat 510 is provided with two through connecting holes 5100, a connecting tube is arranged in the connecting hole 5100, two sides of the connecting needle seat 510 are outwardly provided with protrusions 5102 shaped like a Chinese character 'tu', the outer side of the connecting needle seat 510 is surrounded by a spring 5103, the spring 5103 is located between the protrusions 5102 and the limiting seat 51, the inner side of the front end of the shell 5 is provided with second clamping holes 54 corresponding to the pressing blocks 511, the inner side of the shell 5 is symmetrically provided with clamping positions 55 corresponding to the protrusions 5102, the lower limiting seat 51 is clamped in the shell 5 through the pressing clamping block 511, meanwhile, the connecting needle seat 510 is fixed on the clamping positions 55 through the protrusions 5102 through the second spring 5103, the connecting needle seat 510 and the limiting seat 51 are reversely extruded in the shell 5 by the elasticity of the second spring 5103, the stability of the structure is kept, the looseness of the limiting seat 51 and the connecting needle seat 510 in the shell 5 is avoided, and the integral structure is stable. The connection with the connector is convenient and stable. Both sides of the pressing fixture block 511 of the limiting seat 51 are provided with openings for facilitating the insertion of the limiting seat 51 into the shell 5, so as to provide movement possibility for the pressing fixture block 511.

As a preferred embodiment of an adapter for an outdoor LC connector according to the present invention, please refer to fig. 10 to 13, wherein a tightening hoop 56 is disposed on one side of the housing 5 close to the limiting seat 51, a second dust cap 52 is screwed on an inner side of one end of the housing 5 far from the limiting seat 51, a clamping groove 530 for clamping a second fixing ring 53 is disposed at a rear end of the housing 5, the second fixing ring 53 is connected to a second locking plate 532 sleeved on a top end of the second dust cap 52 through a second connecting line 531, a third sealing groove 520 and a third sealing ring 5201 are disposed at a front end of the second dust cap 52, the third sealing ring 5201 is in interference fit with the housing 5, an external thread 50 is disposed at an outer side of a front end of the second dust cap 52, the second dust cap 52 according to the present invention is configured to be screwed with an internal thread 402 of the housing 5 through the external thread 50 when the LC connector is not externally connected to the adapter, simultaneously through the third sealing washer 5201 of second dustproof cap 52 front end with casing 5 carries out interference fit, plays waterproof dirt-proof effect, when the user need use this adapter to carry out the external connection, through unscrewing the dustproof cap 52 of second, follow the connector of dustproof cap 52 of second inject the LC connector can, the simple and easy convenience of installation, dustproof cap 52 of second can pass through second locking plate 532 is by the second retainer plate 53 is pulling, hangs near casing 5 avoids losing. The other side of the shell 5 is provided with the tightening hoop 56, and a rubber ring is further arranged between the tightening hoop 56 and the shell 5. .

As a preferred embodiment of the outdoor LC connector machine adaptor of the present invention, please refer to fig. 1 to 15, when the LC connector and the present adaptor are connected for use, a user needs to first unscrew the first dust cap 41 of the LC connector from the outer frame 4, expose the stop sleeve 3 and the ferrule assembly 2 beyond the outer frame 4, remove the protective cap 2210 from the outer surface of the ferrule 221, unscrew the second dust cap 52 of the adaptor from the housing 5, open the connection port of the housing 5, then insert the stop sleeve 3 and the ferrule assembly 2 of the LC connector from the connection port of the housing 5 of the adaptor, the outer frame 4 can be screwed with the housing 5 from the same connection port of the housing 5 as the second dust cap 52, end portion 4 before the outer frame cover the second sealing washer 401 can with 5 interference fit of casing plays waterproof dirt-proof effect and the effect of stable connection, is applicable to the indoor/outdoor environment that optic fibre arrived the family, connecting seat 21 with in the casing 5 connect needle file 510 and contradict each other, lock pin 221 inserts and establishes advance the connection spool accomplishes the connection of this LC connector and adapter, and this connection connects and utilizes through the screw soon second sealing washer 401 carries out interference fit, plays the effect of stable connection, and overall connection structure stability is good, and has good waterproof dustproof effect.

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

Claims

1. An outdoor LC connector for connecting an adapter and an external optical cable (1), it is characterized by comprising a ferrule assembly (2) connected with an optical cable (1) and a stop sleeve (3) sleeved on the outer side of the ferrule assembly (2) and hollow, the outer surface of the stop sleeve (3) is provided with a hollow outer frame sleeve (4) with an external thread opening (40) at one end and a first dustproof cap (41) sleeved outside the external thread opening (40) of the outer frame sleeve (4), a stop ring (30) which is used for clamping the optical cable (1) is arranged in the lower end part of the stop sleeve (3), the ferrule assembly (2) is clamped in the hollow clamping bulge (31) of the stop sleeve (3) through a clamping and inserting column (200) at the bottom of the deconcentrator (20), the clamping protrusions (31) are symmetrically provided with first clamping holes (310) penetrating through the outer side of the stopping sleeve (3);

the plug core assembly (2) comprises a splitter (20), two connecting seats (21) sleeved at the front end of the splitter (20) and a stop plug core (22) arranged in the connecting seats (21), the splitter (20) comprises an upper cover (201) and a lower cover (202) which are mutually inserted in a clamping manner and have different thicknesses, the thickness of the lower cover (202) is larger than that of the upper cover (201), an arc-shaped slot (2010) with an outward opening is formed in one side of the lower cover (202) close to the upper cover (201), the upper cover (201) is inserted into the arc-shaped slot (2010) through an arc-shaped bulge (2020) of an inward bulge (5102) and is buckled with the lower cover (202), the clamping and inserting columns (200) with the same thickness are arranged at the bottoms of the upper cover (201) and the lower cover (202), a first limiting block (2000) corresponding to a first clamping hole (310) is arranged on one side, far away from the clamping and inserting columns (200), and a sleeving and connecting column (203) formed integrally is arranged on one side of the lower cover (202), the front end of the upper cover (201) is abutted against the bottom end of the sleeving column (203), the sleeving column (203) and the card inserting column (200) are both circular inside and circular outside in overall shape, second limiting blocks (2030) are arranged on two sides of the sleeving column (203), a connecting opening (2031) is formed in the upper surface of the sleeving column (203) along the length direction, and guide strips (2032) in the same direction are arranged on the lower surface of the sleeving column (203);

the connecting seat (21) is sleeved on the outer surface of the sleeving connection column (203) along the guide strip (2032) through a slot (210) on the lower side, the outer side of the connecting seat (21) is provided with an integrally formed pressing spring piece (211) and third clamping holes (212) arranged at two sides, a hexagonal through hole (213) penetrating through the front end and the rear end is also arranged in the connecting seat (21), the cross section of the hexagonal through hole (213) is in a frustum pyramid shape, the stop inserting core (22) is inserted into the hexagonal through hole (213) through the hexagonal stop piece (220), the front end of the hexagonal stop piece (220) is provided with a core insert (221) which passes through the hexagonal through hole (213), the rear end of the hexagonal stop piece (220) is sleeved with a wire connecting pipe (222), the outer surface of the wire connecting pipe (222) is sleeved with a first spring (223), the inserting core (221) protrudes out of the front end of the connecting seat (21), and the outer surface of the inserting core is sleeved with a protective cap (2210).

2. The outdoor LC connector according to claim 1, wherein a first fixing ring (32) with a first connecting line (320) is arranged at the rear end of the locking sleeve (3), the other end of the first connecting line (320) is connected with a first locking plate (321) which is connected with a first dust cap (41) in a clamping manner, two mutually symmetrical extending ends (33) are arranged at the front end of the locking sleeve (3), and a first sealing groove (34) and a first sealing ring (340) which are in interference fit with the outer frame sleeve (4) are arranged on the outer side of the locking sleeve (3).

3. The outdoor LC connector of claim 1, wherein the front end of the external thread opening (40) is provided with a second sealing groove (400) and a second sealing ring (401), and the inner side of the lower end of the first dust cap (41) is provided with an internal thread (402) matched with the external thread opening (40).

4. The outdoor LC connector of claim 1, wherein the inner ring of the clamping protrusion (31) is quadrilateral, the ferrule assembly (2) is inserted into the clamping protrusion (31) through the clamping insertion column (200), and the other end of the ferrule assembly extends to the position between the extension ends (33) of the stop sleeve (3).

5. An adapter for outdoor LC connectors for mutual matching of outdoor LC connectors as claimed in any one of claims 1 to 4, it is characterized by comprising a hollow shell (5) with an external thread (50), a limiting seat (51) is clamped on the inner side of the front end of the shell (5), a connecting needle seat (510) is sleeved in the limiting seat (51), the rear end of the connecting needle seat (510) extends into the shell (5), one side of the shell (5) close to the limiting seat (51) is provided with a tightening ring (56), a second dustproof cap (52) is screwed on the inner side of one end of the shell (5) far away from the limiting seat (51), the rear end of the shell (5) is provided with a clamping groove (530) for clamping the second fixing ring (53), the second fixing ring (53) is connected with a second locking plate (532) sleeved at the top end of the second dustproof cap (52) through a second connecting line (531).

6. The outdoor LC adapter for connecting head of claim 5, wherein the front end of the second dust cap (52) is provided with a third sealing groove (520) and a third sealing ring (5201), the third sealing ring (5201) is in interference fit with the shell (5), and the outer side of the front end of the second dust cap (52) is provided with an external thread (50).

7. The adapter for outdoor LC connectors as claimed in claim 5, wherein said limiting seat (51) extends toward the inside of the housing (5) and is symmetrically provided with outward pressing blocks (511), and the cross section of the inner contour of said limiting seat (51) is quadrilateral.

8. The adapter for the outdoor LC connector of claim 5, wherein the connector base (510) is provided with two through connecting holes (5100), a connecting wire tube is arranged in each connecting hole (5100), two sides of the connector base (510) are outwards provided with protrusions (5102) in a shape like a Chinese character 'tu', a spring (5103) is arranged around the outer side of the connector base (510), and the spring (5103) is located between the protrusions (5102) and the limiting base (51).

9. The adapter for the outdoor LC connectors as claimed in claim 5, wherein the rear end of the housing (5) is provided with an internal thread (402) corresponding to the external thread (50), the inner side of the front end of the housing (5) is provided with a second locking hole (54) penetrating the outside and corresponding to the pressing locking block (511), and the inner side of the housing (5) is symmetrically provided with locking blocks (55) corresponding to the protrusion (5102).