CN215833651U

CN215833651U - Compound outdoor connector

Info

Publication number: CN215833651U
Application number: CN202122177820.6U
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 a composite outdoor connector, which comprises a dustproof sleeve and a connecting sleeve, wherein the dustproof sleeve comprises a dustproof head sleeve and a connecting nut, the dustproof head sleeve and the connecting nut are screwed and fixed, the connecting sleeve comprises a connecting head sleeve and a connecting tail sleeve, a connecting assembly is arranged in the middle of the inside of the connecting sleeve, and comprises a protective sleeve, a connector, a fixing part, a stop ring and an inserting core, and the composite outdoor connector has the beneficial effects that: the optical fiber connection is more stable, the cable with a more stable structure is not easy to rotate and deviate, different types of connectors can be connected by replacing different connecting sleeves, and the optical fiber connector has better compatibility.

Description

Compound outdoor connector

Technical Field

The utility model relates to the technical field of optical communication, in particular to a composite outdoor connector.

Background

The optical fiber connector is a device for detachable connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so that light energy output by the transmitting optical fiber is coupled into the receiving optical fiber to the maximum extent.

After the existing outdoor optical fiber connector is installed, a core wire can easily rotate along the axis, the optical fiber connection axial positioning effect is poor, the butt joint quality of an optical fiber core is poor, the reliability is low, in use, the connector needs to be inserted into the connector to play a connecting effect, different connectors need to be used for different connectors, and the compatibility is not sufficient.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects in the background art, the utility model provides a composite outdoor connector, which solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:

a composite outdoor connector comprises a dustproof sleeve and a connecting sleeve, wherein the dustproof sleeve comprises a dustproof head sleeve and a connecting nut, the dustproof head sleeve and the connecting nut are screwed and fixed, the connecting sleeve comprises a connecting head sleeve and a connecting tail sleeve, a connecting assembly is arranged in the middle of the connecting sleeve, and the connecting assembly comprises a protective sleeve, a connector, a fixing piece, a stop ring and an inserting core;

the end part of the inserting core is sleeved with the protective sleeve, the inserting core is inserted into the front end of the stop ring, the bottom end of the stop ring is inserted into the front end of the fixing piece, the front end of the fixing piece is inserted into the bottom end of the connector, first clamping grooves are formed in two sides close to the bottom end of the connector, first clamping blocks are arranged in positions, corresponding to the first clamping grooves, of two sides close to the front end of the fixing piece, a plurality of second clamping grooves are formed in an equidistant mode around the stop ring, second clamping blocks are arranged on inner walls of two sides in the connector, the second clamping blocks are clamped in the second clamping grooves, and the top end of the inserting core extends out of the top end of the connector;

the connecting tail sleeve is characterized in that third clamping grooves are formed in two sides of the top end of the connecting tail sleeve, the top end of the connecting tail sleeve is inserted in the bottom end of the connecting tail sleeve, the bottom end of the connecting tail sleeve is connected with a third clamping block corresponding to the third clamping groove, a through hole is formed in the middle of the connecting tail sleeve, an optical cable penetrates through the through hole, an optical cable fixing ring is arranged in the through hole and corresponds to the optical cable, and the optical cable penetrates through the connecting tail sleeve, the connecting tail sleeve and the fixing piece in sequence and then is connected to the bottom end of the inserting core.

As an improvement of the scheme, a connecting handle is arranged between the dustproof headgear and the connecting tail sleeve, one end of the connecting handle is connected at a position close to the top end of the dustproof headgear, the other end of the connecting handle is connected at a position close to the bottom end of the connecting tail sleeve, and the dustproof sleeve is connected at the bottom end of the dustproof headgear.

As an improvement of the above scheme, a fourth clamping groove is formed in the outer end face close to the bottom end of the dustproof head sleeve, a fourth clamping point is formed in the inner end face close to the top end of the connecting nut, the fourth clamping point is rotatably clamped in the fourth clamping groove, and a first sealing ring is arranged above the position, close to the bottom end of the dustproof head sleeve and corresponding to the fourth clamping groove.

As an improvement of the above scheme, an inner end face close to the bottom end of the dust-proof head sleeve is provided with an inner thread, an outer end face close to the top end of the connecting nut is provided with an outer thread, the top end of the connecting nut is rotatably fixed at the bottom end of the dust-proof head sleeve, the outer thread at the top end of the connecting nut and the inner thread at the bottom end of the dust-proof head sleeve are meshed with each other, and a second sealing ring is arranged above the top end close to the connecting nut and corresponding to the outer thread.

As an improvement of the scheme, the tail end of the connecting tail sleeve is provided with a first groove, the tail end of the connecting tail sleeve is close to the front end of the connecting tail sleeve, a second groove is formed in the front end of the second groove, a third sealing ring is arranged in the groove of the second groove, the front end of the connecting tail sleeve is provided with a mounting groove which is consistent with the bottom shape of the mounting piece, fifth clamping points are arranged on two sides of the mounting piece, and fifth clamping grooves are formed in the positions, corresponding to the fifth clamping points, of the mounting groove.

As the improvement of above-mentioned scheme, the setting of third draw-in groove symmetry is being close to connect on the outer terminal surface in both sides on tail cover top, it corresponds to connect the tail cover top the top of third draw-in groove is equipped with vertical decurrent opening, the top of connecting the tail cover is equipped with vertical decurrent first joint recess and second joint recess, the setting of first joint recess and second joint recess position symmetry is in connect the top of tail cover, just the notch width size of first joint recess is greater than the notch width size of second joint recess.

As an improvement of the above scheme, the third clamping block is symmetrically arranged on two sides of the bottom end of the connecting sleeve, the inner end face of the bottom end of the connecting sleeve is provided with a first vertical limiting block and a second vertical limiting block at positions corresponding to the first clamping groove and the second clamping groove, the top end of the connecting sleeve is provided with a vertical downward slot, and two sides of the top end of the slot and the top end of the connecting sleeve are connected in an arc shape.

As an improvement of the scheme, the third clamping blocks are symmetrically arranged on two sides of the bottom end of the connecting sleeve, the inner end face of the bottom end of the connecting sleeve is provided with a first vertical limiting block and a second vertical limiting block at positions corresponding to the first clamping groove and the second clamping groove, and the top end of the connecting sleeve is provided with an upward vertical insertion block.

The utility model has the beneficial effects that: the first clamping block on the fixing piece is clamped in the first clamping groove on the connector, so that the connection between the fixing piece and the connector is tighter, the second clamping groove at the top end of the stop ring is clamped with the second clamping block in the connector, so that the stop ring cannot move along the circumference in the connector, the stability of the inserting core is improved, the third clamping block at the bottom end of the connecting sleeve is clamped in the third clamping groove at the top end of the connecting tail sleeve to play a stable connecting role, when the third clamping block is connected with the third clamping groove, the first clamping groove and the second clamping groove are respectively connected and fixed with the first limiting block and the second limiting block, so that the connection between the connecting tail sleeve and the connecting sleeve is more stable, the connecting tail sleeve cannot generate rotation deviation, and different types of connectors can be connected by replacing different connecting sleeves, the dustproof joint sleeve is characterized in that an optical cable fixing ring is arranged in the connection tail sleeve, the optical cable fixing ring is sleeved on an optical cable, the optical cable penetrates through the optical cable fixing ring to be fixed in the connection tail sleeve, a more stable effect is achieved, the dustproof head sleeve and the connection nut are connected and fixed in a screwing mode, and therefore the connector can be prevented from contacting dust when not used.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is a schematic view of a dust-proof headgear according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a coupling nut according to embodiment 1 of the present invention.

Fig. 5 is a schematic view of a dust boot structure according to embodiment 2 of the present invention.

Fig. 6 is a schematic view of a connector housing according to embodiment 1 of the present invention.

Fig. 7 is a schematic view of a connector housing according to embodiment 2 of the present invention.

Fig. 8 is a bottom view of the connecting joint sleeve according to embodiments 1 and 2 of the present invention.

FIG. 9 is a perspective view of a coupling boot of the present invention.

FIG. 10 is a side view of the connection tail sleeve of the present invention.

FIG. 11 is a cross-sectional view of the coupling boot of the present invention.

FIG. 12 is a top view of the coupling tail cap of the present invention.

Fig. 13 is a perspective view of the connecting head of the present invention.

Fig. 14 is a perspective view of a second latch position of the connecting head of the present invention.

Fig. 15 is a schematic structural view of the fixing member of the present invention.

Fig. 16 is a schematic structural view of the snap ring of the present invention.

Fig. 17 is a schematic view of the construction of the optical cable of the present invention.

Fig. 18 is a schematic structural view of the ferrule of the present invention.

Fig. 19 is a schematic view of a protective sheath of the present invention.

Wherein: the dustproof sleeve 10, the dustproof head sleeve 11, a fourth clamping groove 111, an internal thread 112, a coupling nut 12, a fourth clamping point 121, an external thread 122, a coupling sleeve 20, a coupling sleeve 21, a third clamping block 211, a first limiting block 212, a second limiting block 213, a slot 214, an insertion block 215, a coupling tail sleeve 22, a third clamping groove 221, a through hole 222, a first groove 223, a mounting groove 224, a fifth clamping groove 225, an opening 226, a first clamping groove 227, a second clamping groove 228, a second groove 229, a coupling assembly 30, a protective sleeve 31, a coupling head 32, a first clamping groove 321, a second clamping block 322, a fixing element 33, a first clamping block 331, a fifth clamping point 332, a stop ring 34, a second clamping groove 341, an insertion core 35, an optical cable 40, an optical cable fixing ring 401, a coupling handle 50, a first sealing ring 60, a second sealing ring 70 and a third sealing ring 80.

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.

As shown in fig. 1 to 19, a composite outdoor connector includes a dust-proof sleeve 1010 and a connection sleeve 20, the dust-proof sleeve 1010 includes a dust-proof head sleeve 11 and a connection nut 12, the dust-proof head sleeve 11 and the connection nut 12 are screwed and fixed, the connection sleeve 20 includes a connection sleeve 21 and a connection tail sleeve 22, a connection assembly 30 is disposed in the middle of the connection sleeve 20, and the connection assembly 30 includes a protection sleeve 31, a connector 32, a fixing member 33, a stop ring 34 and an insertion core 35;

the end part of the ferrule 35 sleeved on the protective sleeve 31, the ferrule 35 is inserted into the front end of the stop ring 34, the bottom end of the stop ring 34 is inserted into the front end of the fixing member 33, the front end of the fixing member 33 is inserted into the bottom end of the connector 32, first clamping grooves 321 are arranged on two sides close to the bottom end of the connector 32, first clamping blocks 331 are arranged on two sides close to the front end of the fixing member 33 and corresponding to the first clamping grooves 321, a plurality of second clamping grooves 341 are arranged at equal intervals around the stop ring 34, second clamping blocks 322 are arranged on inner walls on two sides in the connector 32, the second clamping blocks 322 are clamped in the second clamping grooves 341, and the top end of the ferrule 35 extends out from the top end of the connector 32;

be close to the top both sides of connecting tail cover 22 are equipped with third draw-in groove 221, the top of connecting tail cover 22 is inserted and is established the bottom of connecting tail cover 21, the connection of connecting tail cover 21 bottom corresponds the third fixture block 211 that third draw-in groove 221's position was equipped with, the middle part of connecting tail cover 22 is equipped with through-hole 222, wear to be equipped with optical cable 40 in the through-hole 222, optical cable 40 corresponds be equipped with optical cable retainer plate 401 in the through-hole 222, optical cable 40 passes in proper order connect after tail cover 22, connecting head cover 21 and mounting 33 connect the bottom of lock pin 35.

Further, in the above scheme, a connection handle 50 is disposed between the dust-proof head cover 11 and the connection tail sleeve 22, one end of the connection handle 50 is connected to a position close to the top end of the dust-proof head cover 11, the other end of the connection handle 50 is connected to a position close to the bottom end of the connection tail sleeve 22, and the dust-proof sleeve 1010 is connected to the bottom end of the dust-proof head cover 11.

Further, in the above scheme, a fourth clamping groove 111 is disposed on the outer end surface close to the bottom end of the dust-proof head sleeve 11, a fourth clamping point 121 is disposed on the inner end surface close to the top end of the connection nut 12, the fourth clamping point 121 is rotatably clamped in the fourth clamping groove 111, and a first sealing ring 60 is disposed above the position close to the bottom end of the dust-proof head sleeve 11 and corresponding to the fourth clamping groove 111.

Further, in the above solution, an inner end surface close to the bottom end of the dust-proof head cap 11 is provided with an inner thread 112, an outer end surface close to the top end of the connection nut 12 is provided with an outer thread 122, the top end of the connection nut 12 is rotatably fixed at the bottom end of the dust-proof head cap 11, the outer thread 122 at the top end of the connection nut 12 and the inner thread 112 at the bottom end of the dust-proof head cap 11 are engaged with each other, and a second sealing ring 70 is provided above the top end of the connection nut 12 and corresponding to the outer thread 122.

Further, in the above scheme, a first groove 223 is disposed at the tail end of the connection tail sleeve 22, a second groove 229 is disposed near the front end of the connection tail sleeve 22, a third seal ring 80 is disposed in the groove of the second groove 229, an installation groove 224 having a shape identical to that of the bottom end of the fixing member 33 is disposed at the front end of the connection tail sleeve 22, fifth clamping points 332 are disposed on two sides of the fixing member 33, and a fifth clamping groove 225 is disposed in the installation groove 224 corresponding to the fifth clamping points 332.

Further, in the above scheme, the third card slot 221 is symmetrically arranged near the outer end faces of two sides of the top end of the connection tail sleeve 22, the top end of the connection tail sleeve 22 corresponds to the upper portion of the third card slot 221, a vertical downward opening 226 is arranged above the connection tail sleeve 22, a vertical downward first card connection groove 227 and a vertical downward second card connection groove 228 are arranged at the top end of the connection tail sleeve 22, the first card connection groove 227 and the second card connection groove 228 are symmetrically arranged on the top end of the connection tail sleeve 22, and the width of the notch of the first card connection groove 227 is greater than the width of the notch of the second card connection groove 228.

Further, in the above scheme, the third clamping blocks 211 are symmetrically arranged on two sides of the bottom end of the connecting sleeve 21, the inner end face of the bottom end of the connecting sleeve 21 is provided with a first vertical limiting block 212 and a second vertical limiting block 213 at positions corresponding to the first clamping groove 227 and the second clamping groove 228, the top end of the connecting sleeve 21 is provided with a vertical downward slot 214, and two sides of the top end of the slot 214 and the top end of the connecting sleeve 21 are connected in an arc shape.

Further, in the above scheme, the third clamping blocks 211 are symmetrically disposed on two sides of the bottom end of the connecting sleeve 21, vertical first limiting blocks 212 and vertical second limiting blocks 213 are disposed at positions, corresponding to the first clamping grooves 227 and the second clamping grooves 228, of the inner end surface of the bottom end of the connecting sleeve 21, and vertical upward insertion blocks 215 are disposed at the top end of the connecting sleeve 21.

Structurally, the dustproof sleeve 1010 comprises a dustproof head sleeve 11 and a connecting nut 12, when the dustproof head sleeve is not used, the dustproof head sleeve 11 and the connecting nut 12 are screwed and fixed to achieve a protection effect, the dustproof sleeve 1010 is arranged at the front end of the connecting sleeve 20, the connecting sleeve 20 comprises a connecting sleeve 21 and a connecting tail sleeve 22, the top end of the connecting tail sleeve 22 is inserted into the bottom end of the connecting sleeve 21, two sides of the bottom end of the connecting sleeve 21 are clamped with two sides of the top end of the connecting tail sleeve 22, a connecting assembly 30 is arranged in the middle of the connecting sleeve 20, and the connecting assembly 30 comprises a protective sleeve 31, a connecting head 32, a fixing piece 33, a stop ring 34 and an inserting core 35.

It should be noted that a connecting handle 50 is arranged between the dust-proof head cover 11 and the connecting tail sleeve 22, one end of the connecting handle 50 is connected to a position close to the top end of the dust-proof head cover 11, and the other end of the connecting handle 50 is connected to a first groove 223 close to the connecting tail sleeve 22, so that the dust-proof head cover 11 can be removed when in use, which is very convenient.

It should be noted that the front end of the fixing member 33 is inserted into the bottom end of the connector 32, first locking grooves 321 are disposed on two sides close to the bottom end of the connector 32, first locking blocks 331 are disposed on two sides close to the front end of the fixing member 33 and corresponding to the first locking grooves 321, and the first locking blocks 331 are locked in the first locking grooves 321 to achieve a fixed connection effect.

It should be noted that a stop ring 34 is arranged at the front end of the fixing member 33, an insert core 35 is arranged at the front end of the stop ring 34, the bottom end of the insert core 35 is inserted into the front end of the stop ring 34, 4 second clamping grooves 341 are arranged around the stop ring 34 at equal intervals, 2 second clamping blocks 322 are arranged on the inner walls of the two sides in the connector 32, the second clamping blocks 322 are clamped in the second clamping grooves 341, the top end of the insert core 35 extends out from the top end of the connector 32, and 4 second clamping grooves 341 are arranged on the stop ring 34 at equal intervals, so that the stop ring 34 can be connected and fixed by clamping the second clamping blocks 322 through any two second clamping grooves 341, and a clamping effect of preventing rotation is achieved.

It should be noted that, a spring is arranged between the stopper and the fixing member 33, the bottom end of the spring abuts against the inside of the fixing member 33, the top end of the spring abuts against the stopper, and the front end of the stopper abuts against the inside of the connecting head 32 under the force of the spring.

It should be noted that a first cavity and a second cavity are arranged in the connection tail sleeve 22, the optical cable fixing ring 401 is arranged at a position where the first cavity and the second cavity are connected, and the optical cable fixing ring 401 may be fixed by the optical cable fixing ring 401 with a circular or square through hole in the middle according to the cross-sectional shape of the optical cable 40.

Example 1:

the outer end face close to the bottom end of the dustproof headgear 11 is provided with a fourth clamping groove 111, the inner end face close to the top end of the connecting nut 12 is provided with a fourth clamping point 121, the fourth clamping point 121 is rotatably clamped in the fourth clamping groove 111 to achieve the effect of rotation and fixation, the installation and the taking down of the dustproof headgear 11 are all very convenient, the lower end of the dustproof headgear 11 is close to and corresponds to the upper position of the fourth clamping groove 111 to be provided with a first sealing ring 60, the sealing performance between the dustproof headgear 11 and the connecting nut 12 can be enhanced, the front end of the connecting tail sleeve 22 is close to be provided with a second groove 229, a third sealing ring 80 is arranged in a groove 229 of the second groove 229, and the sealing performance between the connecting tail sleeve 22 and the connecting nut 12 can be enhanced.

It should be noted that, the setting of third chuck piece 211 symmetry is in the bottom both sides of connection adapter sleeve 21, the interior terminal surface of connection adapter sleeve 21 bottom corresponds first joint recess 227 and second joint recess 228's position is equipped with vertical first stopper 212 and second stopper 213, the notch width of first joint recess 227 is greater than the notch width of second joint recess 228 makes first stopper 212 with it is not general between the second stopper 213, reach fixedly connect the effect of adapter sleeve 21, the vertical decurrent fluting 214 that is equipped with on one side of the top of adapter sleeve 21, fluting 214 top both sides with the position that the top of adapter sleeve 21 is connected is the arc.

Example 2:

an internal thread 112 is arranged on an inner end face close to the bottom end of the dust-proof head sleeve 11, an external thread 122 is arranged on an outer end face close to the top end of the connecting nut 12, the top end of the connecting nut 12 is rotationally fixed at the bottom end of the dust-proof head sleeve 11, the external thread 122 on the top end of the connecting nut 12 is meshed with the internal thread 112 at the bottom end of the dust-proof head sleeve 11, a second sealing ring 70 is arranged on the top close to the top end of the connecting nut 12 and corresponding to the external thread 122, and when the dust-proof head sleeve 11 is fixedly connected with the connecting nut 12 in a screwing mode, the second sealing ring 70 can play a role in enhancing the sealing performance.

The setting of third chuck piece 211 symmetry is in the bottom both sides of connecting sleeve 21, the interior terminal surface in connecting sleeve 21 bottom corresponds first joint recess 227 and second joint recess 228's position is equipped with vertical first stopper 212 and second stopper 213, the notch width of first joint recess 227 is greater than the notch width of second joint recess 228 makes first stopper 212 with it is not general between the second stopper 213, reach fixedly the effect of connecting sleeve 21's installation direction makes simultaneously connecting sleeve 21 can not follow the circumference and rotate the skew, and is more stable, vertical ascending inserted block 215 that connecting sleeve 21's top was equipped with.

It should be noted that, in the present invention, the bottom ends of the connecting sleeves 21 in the embodiments 1 and 2 are fixed on the connecting tail sleeve 22 in an inserting manner, and two different connectors can be adapted by replacing the connecting sleeves 21 in the embodiments 1 and 2, and different connecting sleeves 21 can be directly replaced according to different connectors in use, so that the connectors have better compatibility.

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. The utility model provides a compound outdoor connector, includes dirt proof boot (10) and adapter sleeve (20), its characterized in that, dirt proof boot (10) includes dirt proof boot (11) and coupling nut (12), dirt proof boot (11) with coupling nut (12) connect fixedly soon, adapter sleeve (20) include coupling sleeve (21) and connection tail cover (22), the middle part in adapter sleeve (20) is equipped with coupling assembling (30), coupling assembling (30) include protective sheath (31), connector (32), mounting (33), snap ring (34) and lock pin (35);

the end part of the ferrule (35) sleeved with the protective sleeve (31), the ferrule (35) is inserted in the front end of the stop ring (34), the bottom end of the stop ring (34) is inserted into the front end of the fixing piece (33), the front end of the fixing piece (33) is inserted into the bottom end of the connector (32), first clamping grooves (321) are formed in two sides close to the bottom end of the connector (32), first clamping blocks (331) are arranged in positions, corresponding to the first clamping grooves (321), in two sides close to the front end of the fixing piece (33), a plurality of second clamping grooves (341) are formed in a mode of surrounding the stop ring (34) at equal intervals, the inner walls of two sides in the connector (32) are provided with second clamping blocks (322), the second clamping block (322) is clamped in the second clamping groove (341), and the top end of the inserting core (35) extends out of the top end of the connecting head (32);

be close to the top both sides of connecting tail cover (22) are equipped with third draw-in groove (221), the top of connecting tail cover (22) is inserted and is established the bottom of connecting head cover (21), the connection of connecting head cover (21) bottom corresponds third fixture block (211) that the position of third draw-in groove (221) was equipped with, the middle part of connecting tail cover (22) is equipped with through-hole (222), wear to be equipped with optical cable (40) in through-hole (222), optical cable (40) correspond be equipped with optical cable retainer plate (401) in through-hole (222), optical cable (40) pass in proper order connect behind connecting tail cover (22), connector cover (21) and mounting (33) connect the bottom of lock pin (35).

2. The composite outdoor connector of claim 1, wherein a connection handle (50) is disposed between the dust-proof head sleeve (11) and the connection tail sleeve (22), one end of the connection handle (50) is connected to a position close to the top end of the dust-proof head sleeve (11), the other end of the connection handle (50) is connected to a position close to the bottom end of the connection tail sleeve (22), and the dust-proof sleeve (10) is connected to the bottom end of the dust-proof head sleeve (11).

3. The composite outdoor connector of claim 1, wherein a fourth engaging groove (111) is formed on an outer end surface of the dust-proof head cap (11) near the bottom end, a fourth engaging point (121) is formed on an inner end surface of the connecting nut (12) near the top end, the fourth engaging point (121) is rotatably engaged with the fourth engaging groove (111), and a first sealing ring (60) is disposed above the fourth engaging groove (111) near the bottom end of the dust-proof head cap (11).

4. The composite outdoor connector of claim 1, wherein an inner end surface near the bottom end of the dust-proof head cap (11) is provided with an internal thread (112), an outer end surface near the top end of the connecting nut (12) is provided with an external thread (122), the top end of the connecting nut (12) is rotatably fixed at the bottom end of the dust-proof head cap (11), the external thread (122) at the top end of the connecting nut (12) and the internal thread (112) at the bottom end of the dust-proof head cap (11) are engaged with each other, and a second sealing ring (70) is arranged above the top end of the connecting nut (12) and corresponds to the external thread (122).

5. The composite outdoor connector according to claim 1, wherein a first groove (223) is formed in the tail end of the connection tail sleeve (22), a second groove (229) is formed in the front end of the connection tail sleeve (22) and is close to the front end of the connection tail sleeve, a third sealing ring (80) is arranged in the second groove (229), an installation groove (224) which is identical to the bottom end of the fixing member (33) in shape is formed in the front end of the connection tail sleeve (22), fifth clamping points (332) are arranged on two sides of the fixing member (33), and a fifth clamping groove (225) is formed in the installation groove (224) and corresponds to the fifth clamping point (332).

6. The composite outdoor connector of claim 1, wherein the third clamping groove (221) is symmetrically arranged on two outer end faces of two sides close to the top end of the connection tail sleeve (22), a vertical downward opening (226) is arranged above the top end of the connection tail sleeve (22) corresponding to the third clamping groove (221), a vertical downward first clamping groove (227) and a vertical downward second clamping groove (228) are arranged on the top end of the connection tail sleeve (22), the first clamping groove (227) and the second clamping groove (228) are symmetrically arranged on the top end of the connection tail sleeve (22), and the width dimension of the notch of the first clamping groove (227) is greater than that of the notch of the second clamping groove (228).

7. The composite outdoor connector according to claim 6, wherein the third latch (211) is symmetrically disposed at two sides of the bottom end of the connecting sleeve (21), a first vertical limiting block (212) and a second vertical limiting block (213) are disposed at positions of the inner end surface of the bottom end of the connecting sleeve (21) corresponding to the first clamping groove (227) and the second clamping groove (228), a vertical downward slot (214) is disposed at the top end of the connecting sleeve (21), and two sides of the top end of the slot (214) and the top end of the connecting sleeve (21) are connected in an arc shape.

8. The composite outdoor connector according to claim 6, wherein the third latch (211) is symmetrically disposed at two sides of the bottom end of the connecting sleeve (21), a first vertical stop block (212) and a second vertical stop block (213) are disposed at positions of the inner end surface of the bottom end of the connecting sleeve (21) corresponding to the first clamping groove (227) and the second clamping groove (228), and a vertical upward insertion block (215) is disposed at the top end of the connecting sleeve (21).

9. The utility model provides a compound outdoor connector, includes dirt proof boot (10) and adapter sleeve (20), its characterized in that, dirt proof boot (10) includes dirt proof boot (11) and coupling nut (12), dirt proof boot (11) with coupling nut (12) connect fixedly soon, adapter sleeve (20) include coupling sleeve (21) and connection tail cover (22), the middle part in adapter sleeve (20) is equipped with coupling assembling (30), coupling assembling (30) include protective sheath (31), connector (32), mounting (33), snap ring (34) and lock pin (35);