A composite outdoor connector

Abstract

The present invention discloses a composite outdoor connector, comprising a dust cover and a connecting sleeve, the dust cover comprising a dust head cover and a connecting nut, the dust head cover and the connecting nut are screwed and fixed, the connecting sleeve comprises a connecting head cover and a connecting tail cover, a connecting assembly is provided in the middle part of the connecting sleeve, the connecting assembly comprises a protective cover, a connecting head, a fixing part, a stop ring and a core. The beneficial effects of the present invention are: the optical fiber connection is more stable, the structure is more solid, the cable is not easy to rotate and deviate, different types of connectors can be connected by replacing different connecting head covers, and the connector has better compatibility.

Description

Technical Field

[0001] The invention relates to the technical field of optical communication, and in particular to a composite outdoor connector. Background Art

[0002] Fiber optic connectors are devices that make detachable connections between optical fibers. They precisely connect the two end faces of the optical fiber so that the light energy output by the transmitting optical fiber can be coupled to the receiving optical fiber to the maximum extent. To a certain extent, fiber optic connectors affect the reliability and performance of the optical transmission system.

[0003] After the existing outdoor fiber optic connector is installed, the core wire is easy to rotate along the axis, the axial positioning effect of the fiber optic connection is poor, the fiber core docking quality is poor, and the reliability is low. During use, the connector needs to be plugged into the connector to achieve the connection effect. Different connectors require the use of different connectors, and the compatibility is insufficient. Summary of the invention

[0004] In view of the technical defects existing in the background technology, the present invention proposes a composite outdoor connector, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0005] A composite outdoor connector, comprising a dust cover and a connecting sleeve, wherein the dust cover comprises a dust head cover and a connecting nut, wherein the dust head cover and the connecting nut are screwed and fixed, wherein the connecting sleeve comprises a connecting head cover and a connecting tail cover, wherein a connecting assembly is arranged in the middle of the connecting sleeve, wherein the connecting assembly comprises a protective cover, a connecting head, a fixing part, a stop ring and a plug core;

[0006] The protective sleeve is sleeved on the end of the ferrule, the ferrule is inserted at the front end of the stop ring, the bottom end of the stop ring is inserted at the front end of the fixing member, the front end of the fixing member is inserted at the bottom end of the connector, first card slots are provided on both sides close to the bottom end of the connector, first card blocks are provided at positions corresponding to the first card slots on both sides close to the front end of the fixing member, a plurality of second card slots are provided at equal intervals around the stop ring, second card blocks are provided on the inner walls on both sides of the connector, the second card blocks are clamped in the second card slots, and the top end of the ferrule extends from the top end of the connector;

[0007] A third card slot is provided on both sides near the top of the connecting tail sleeve, the top of the connecting tail sleeve is inserted into the bottom of the connecting head sleeve, the connection of the bottom of the connecting head sleeve is connected to a third card block corresponding to the position of the third card slot, a through hole is provided in the middle of the connecting tail sleeve, an optical cable is passed through the through hole, an optical cable fixing ring is provided in the optical cable corresponding to the through hole, and the optical cable passes through the connecting tail sleeve, the connecting head sleeve and the fixing part in sequence and is connected to the bottom end of the ferrule.

[0008] As an improvement of the above scheme, a connecting handle is provided between the dustproof head cover and the connecting tail cover, one end of the connecting handle is connected to a position close to the top of the dustproof head cover, and the other end of the connecting handle is connected to a position close to the bottom of the connecting tail cover, and the dustproof cover is connected to the bottom end of the dustproof head cover.

[0009] As an improvement of the above-mentioned scheme, a fourth groove is provided on the outer end surface near the bottom end of the dustproof head cover, and a fourth clamping point is provided on the inner end surface near the top end of the connecting nut. The fourth clamping point is rotatably clamped in the fourth groove, and a first sealing ring is provided near the bottom end of the dustproof head cover and corresponding to the upper position of the fourth groove.

[0010] As an improvement of the above-mentioned scheme, an internal thread is provided on the inner end surface near the bottom end of the dustproof head cover, and an external thread is provided on the outer end surface near the top end of the connecting nut. The top end of the connecting nut is rotatably fixed to the bottom end of the dustproof head cover, and the external thread at the top end of the connecting nut and the internal thread at the bottom end of the dustproof head cover are meshed with each other. A second sealing ring is provided near the top end of the connecting nut and above the corresponding external thread.

[0011] As an improvement of the above scheme, a first groove is provided at the tail end of the connecting tail sleeve, a second groove is provided near the front end of the connecting tail sleeve, a third sealing ring is provided in the second groove, a mounting groove with the same shape as the bottom end of the fixing piece is provided at the front end of the connecting tail sleeve, fifth clamping points are provided on both sides of the fixing piece, and a fifth clamping groove is provided at a position corresponding to the fifth clamping point in the mounting groove.

[0012] As an improvement of the above scheme, the third clamping groove is symmetrically arranged on the outer end surfaces on both sides close to the top of the connecting tail sleeve, and a vertical downward opening is provided above the top of the connecting tail sleeve corresponding to the third clamping groove, and the top of the connecting tail sleeve is provided with a first clamping groove and a second clamping groove vertically downward, and the first clamping groove and the second clamping groove are symmetrically arranged at the top of the connecting tail sleeve, and the slot width dimension of the first clamping groove is larger than the slot width dimension of the second clamping groove.

[0013] As an improvement of the above scheme, the third clamping block is symmetrically arranged on both sides of the bottom end of the connecting head cover, and the inner end surface of the bottom end of the connecting head cover is provided with a vertical first limit block and a second limit block at the position corresponding to the first clamping groove and the second clamping groove. The top of the connecting head cover is provided with a vertical downward groove, and the position where the two sides of the top of the groove are connected to the top of the connecting head cover is arc-shaped.

[0014] As an improvement of the above scheme, the third clamping block is symmetrically arranged on both sides of the bottom end of the connecting head cover, and the inner end surface of the bottom end of the connecting head cover is provided with a vertical first limit block and a second limit block at the position corresponding to the first clamping groove and the second clamping groove, and the top of the connecting head cover is provided with a vertical upward plug block.

[0015] The beneficial effect of the present invention is that the first clamping block on the fixing member is clamped in the first clamping groove on the connecting head, so that the connection between the fixing member and the connecting head is tighter, the second clamping groove at the top of the stop ring is clamped with the second clamping block in the connecting head, so that the stop ring will not move along the circumference in the connecting head, thereby improving the stability of the ferrule, and the third clamping block at the bottom end of the connecting head sleeve is clamped in the third clamping groove at the top end of the connecting tail sleeve to play a stable connection role, and when the third clamping block is connected to the third clamping groove, the first clamping groove and the second clamping groove are respectively The first limit block and the second limit block are connected and fixed to make the connection between the connecting tail sleeve and the connecting head sleeve more stable, so that the connecting tail sleeve will not produce rotational deviation, and different types of connectors can be connected by replacing different connecting head sleeves, which has good compatibility. An optical cable fixing ring is provided in the connecting tail sleeve, and the optical cable fixing ring is sleeved on the optical cable. The optical cable is fixed in the connecting tail sleeve by passing it through the optical cable fixing ring, which has a more stable effect. The dustproof head sleeve and the connecting nut are screwed and fixed to prevent the connector from contacting dust when not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of Example 1 of the present invention.

[0017] Figure 2 This is a structural schematic diagram of Example 2 of the present invention.

[0018] Figure 3 This is a schematic diagram of the structure of the dustproof head cover of Example 1 of the present invention.

[0019] Figure 4 This is a schematic diagram of the connecting nut structure of Example 1 of the present invention.

[0020] Figure 5 This is a schematic diagram of the dust cover structure of Example 2 of the present invention.

[0021] Figure 6 This is a schematic diagram of the structure of the connecting head cover according to Example 1 of the present invention.

[0022] Figure 7 This is a schematic diagram of the connecting head cover structure of Example 2 of the present invention.

[0023] Figure 8It is a bottom view of the connecting head covers of Example 1 and Example 2 of the present invention.

[0024] Fig. 9 It is a three-dimensional diagram of the connection tail sleeve of the present invention.

[0025] Fig.10 It is a side view of the connection tail sleeve of the present invention.

[0026] Fig.11 It is a cross-sectional view of the connection tail sleeve of the present invention.

[0027] Fig.12 It is a top view of the connection tail sleeve of the present invention.

[0028] Fig.13 It is a three-dimensional diagram of the connector of the present invention.

[0029] Fig.14 It is a three-dimensional diagram of the position of the second clamping block of the connector of the present invention.

[0030] Fig.15 It is a schematic structural diagram of the fixing member of the present invention.

[0031] Fig.16 It is a schematic structural diagram of the stop ring of the present invention.

[0032] Fig.17 It is a schematic diagram of the structure of the optical cable of the present invention.

[0033] Fig.18 It is a structural schematic diagram of the ferrule of the present invention.

[0034] Fig.19 It is a schematic structural diagram of the protective cover of the present invention.

[0035] Wherein: dust cover 10, dust cover 11, fourth slot 111, internal thread 112, connecting nut 12, fourth clamping point 121, external thread 122, connecting sleeve 20, connecting cover 21, third clamping block 211, first limit block 212, second limit block 213, slot 214, plug 215, connecting tail sleeve 22, third slot 221, through hole 222, first groove 223, mounting slot 224, fifth slot 225, opening 226, first snap-fit ​​groove 227, second snap-fit ​​groove 228, second groove 229, connecting assembly 30, protective cover 31, connecting head 32, first snap-fit ​​groove 321, second snap-fit ​​block 322, fixing member 33, first snap-fit ​​block 331, fifth snap-fit ​​point 332, stopping ring 34, second snap-fit ​​groove 341, insert 35, optical cable 40, optical cable fixing ring 401, connecting handle 50, first sealing ring 60, second sealing ring 70, third sealing ring 80. DETAILED DESCRIPTION

[0036] The following describes the implementation methods of the present invention in conjunction with the accompanying drawings and related embodiments. It should be pointed out that the following related embodiments are only preferred embodiments for better illustrating the present invention itself, and the implementation methods of the present invention are not limited to the following embodiments, and the present invention relates to the relevant necessary components in this technical field, which should be regarded as the known technology in this technical field and can be known and mastered by the technical personnel in this technical field.

[0037] like Figures 1 to 19 As shown, a composite outdoor connector includes a dust cover 1010 and a connecting sleeve 20, wherein the dust cover 1010 includes a dust cover 11 and a connecting nut 12, wherein the dust cover 11 and the connecting nut 12 are screwed and fixed, wherein the connecting sleeve 20 includes a connecting cover 21 and a connecting tail cover 22, wherein a connecting assembly 30 is provided in the middle of the connecting sleeve 20, wherein the connecting assembly 30 includes a protective cover 31, a connecting head 32, a fixing member 33, a stop ring 34 and a plug core 35;

[0038] The protective sleeve 31 is sleeved on the end of the ferrule 35, 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 card slots 321 are provided on both sides near the bottom end of the connector 32, first card blocks 331 are provided at positions corresponding to the first card slots 321 on both sides near the front end of the fixing member 33, a plurality of second card slots 341 are provided at equal intervals around the stop ring 34, second card blocks 322 are provided on the inner walls on both sides of the connector 32, the second card blocks 322 are engaged in the second card slots 341, and the top end of the ferrule 35 extends out from the top end of the connector 32;

[0039] A third card slot 221 is provided on both sides near the top of the connecting tail sleeve 22, the top of the connecting tail sleeve 22 is inserted into the bottom of the connecting head sleeve 21, and the bottom of the connecting head sleeve 21 is connected to a third card block 211 corresponding to the position of the third card slot 221. A through hole 222 is provided in the middle of the connecting tail sleeve 22, and an optical cable 40 is passed through the through hole 222. An optical cable fixing ring 401 is provided in the optical cable 40 corresponding to the through hole 222. The optical cable 40 passes through the connecting tail sleeve 22, the connecting head sleeve 21 and the fixing piece 33 in sequence and is connected to the bottom end of the ferrule 35.

[0040] Furthermore, in the above scheme, a connecting handle 50 is provided between the dustproof head cover 11 and the connecting tail cover 22, one end of the connecting handle 50 is connected to a position close to the top of the dustproof head cover 11, and the other end of the connecting handle 50 is connected to a position close to the bottom of the connecting tail cover 22, and the dustproof cover 1010 is connected to the bottom end of the dustproof head cover 11.

[0041] Furthermore, in the above scheme, a fourth slot 111 is provided on the outer end surface near the bottom end of the dustproof head cover 11, and a fourth clamping point 121 is provided on the inner end surface near the top end of the connecting nut 12. The fourth clamping point 121 is rotatably clamped in the fourth slot 111, and a first sealing ring 60 is provided near the bottom end of the dustproof head cover 11 and corresponding to the upper position of the fourth slot 111.

[0042] Furthermore, in the above scheme, an internal thread 112 is provided on the inner end surface near the bottom end of the dustproof head cover 11, and an external thread 122 is provided on the outer end surface near the top end of the connecting nut 12. The top end of the connecting nut 12 is rotatably fixed to the bottom end of the dustproof head cover 11, and the external thread 122 at the top end of the connecting nut 12 and the internal thread 112 at the bottom end of the dustproof head cover 11 are meshed with each other. A second sealing ring 70 is provided near the top end of the connecting nut 12 and above the corresponding external thread 122.

[0043] Furthermore, in the above scheme, a first groove 223 is provided at the tail end of the connecting tail sleeve 22, a second groove 229 is provided near the front end of the connecting tail sleeve 22, a third sealing ring 80 is provided in the second groove 229, a mounting groove 224 having the same shape as the bottom end of the fixing member 33 is provided at the front end of the connecting tail sleeve 22, fifth clamping points 332 are provided on both sides of the fixing member 33, and a fifth clamping groove 225 is provided in the mounting groove 224 at a position corresponding to the fifth clamping point 332.

[0044] Furthermore, in the above scheme, the third clamping groove 221 is symmetrically arranged on the outer end surfaces on both sides close to the top of the connecting tail sleeve 22, and a vertically downward opening 226 is provided above the top of the connecting tail sleeve 22 corresponding to the third clamping groove 221, and a vertically downward first clamping groove 227 and a second clamping groove 228 are provided on the top of the connecting tail sleeve 22, and the first clamping groove 227 and the second clamping groove 228 are symmetrically arranged at the top of the connecting tail sleeve 22, and the slot width dimension of the first clamping groove 227 is greater than the slot width dimension of the second clamping groove 228.

[0045] Furthermore, in the above scheme, the third clamping block 211 is symmetrically arranged on both sides of the bottom end of the connecting head cover 21, and the inner end surface of the bottom end of the connecting head cover 21 is provided with a vertical first limit block 212 and a second limit block 213 at the positions corresponding to the first clamping groove 227 and the second clamping groove 228, and the top of the connecting head cover 21 is provided with a vertical downward groove 214, and the positions where the two sides of the top of the groove 214 are connected to the top of the connecting head cover 21 are arc-shaped.

[0046] Furthermore, in the above scheme, the third clamping block 211 is symmetrically arranged on both sides of the bottom end of the connecting head cover 21, and the inner end surface of the bottom end of the connecting head cover 21 is provided with a vertical first limit block 212 and a second limit block 213 at the position corresponding to the first clamping groove 227 and the second clamping groove 228, and the top of the connecting head cover 21 is provided with a vertical upward plug block 215.

[0047] Structurally, the dust cover 1010 of the present invention includes a dust cover 11 and a connecting nut 12. When not in use, the dust cover 11 and the connecting nut 12 can be screwed together and fixed to achieve a protective effect. The dust cover 1010 is arranged at the front end of the connecting sleeve 20. The connecting sleeve 20 includes a connecting head cover 21 and a connecting tail cover 22. The top end of the connecting tail cover 22 is inserted into the bottom end of the connecting head cover 21, and the two sides of the bottom end of the connecting head cover 21 are clamped with the two sides of the top end of the connecting tail cover 22. A connecting assembly 30 is provided in the middle of the connecting sleeve 20. The connecting assembly 30 includes a protective cover 31, a connecting head 32, a fixing part 33, a stop ring 34 and a core insert 35.

[0048] It should be noted that a connecting handle 50 is provided between the dustproof head cover 11 and the connecting tail cover 22, one end of the connecting handle 50 is connected to a position close to the top of the dustproof head cover 11, and the other end of the connecting handle 50 is connected to a first groove 223 close to the connecting tail cover 22. When in use, the dustproof head cover 11 can be removed, which is very convenient.

[0049] It should be noted that the front end of the fixing member 33 is inserted into the bottom end of the connecting head 32, and a first card slot 321 is provided on both sides near the bottom end of the connecting head 32, and a first card block 331 is provided on both sides near the front end of the fixing member 33 at the position corresponding to the first card slot 321, and the first card block 331 is clamped in the first card slot 321 to play a role of fixed connection.

[0050] It should be noted that a stop ring 34 is provided at the front end of the fixing member 33, and a core 35 is provided at the front end of the stop ring 34. The bottom end of the core 35 is inserted at the front end of the stop ring 34, and four second clamping grooves 341 are evenly spaced around the stop ring 34. Two second clamping blocks 322 are provided on the inner walls on both sides of the connecting head 32. The second clamping blocks 322 are clamped in the second clamping grooves 341, and the top of the core 35 extends out from the top of the connecting head 32. Four second clamping grooves 341 are evenly spaced on the stop ring 34, so that the stop ring 34 can be connected and fixed by clamping the second clamping blocks 322 through any two of the second clamping grooves 341, thereby achieving a clamping effect to prevent rotation.

[0051] It should be noted that a spring is provided between the stopper and the fixing member 33, the bottom end of the spring abuts against the fixing member 33, the top end of the spring abuts against the stopper, and the front end of the stopper abuts against the connector 32 under the force of the spring.

[0052] It should be noted that a first chamber and a second chamber are provided in the connecting tail sleeve 22, and the optical cable fixing ring 401 is provided at the position where the first chamber and the second chamber are connected. The optical cable fixing ring 401 can be fixed according to the cross-sectional shape of the optical cable 40 by using the optical cable fixing ring 401 with a circular or square middle through hole.

[0053] Embodiment 1:

[0054] A fourth clamping groove 111 is provided on the outer end surface near the bottom end of the dustproof head cover 11, and a fourth clamping point 121 is provided on the inner end surface near the top end of the connecting nut 12. The fourth clamping point 121 is rotatably clamped in the fourth clamping groove 111 to achieve a rotational fixation effect, which is very convenient when installing and removing the dustproof head cover 11. A first sealing ring 60 is provided near the bottom end of the dustproof head cover 11 and corresponding to the upper position of the fourth clamping groove 111, which can enhance the sealing between the dustproof head cover 11 and the connecting nut 12. A second groove 229 is provided near the front end of the connecting tail cover 22, and a third sealing ring 80 is provided in the second groove 229 to enhance the sealing between the connecting tail cover 22 and the connecting nut 12.

[0055] It should be noted that the third clamping block 211 is symmetrically arranged on both sides of the bottom end of the connecting head cover 21, and the inner end surface of the bottom end of the connecting head cover 21 is provided with a vertical first limit block 212 and a second limit block 213 at the positions corresponding to the first clamping groove 227 and the second clamping groove 228. The slot width of the first clamping groove 227 is greater than the slot width of the second clamping groove 228, so that the first limit block 212 and the second limit block 213 are not interchangeable, thereby achieving the effect of fixing the connecting head cover 21. A vertical downward slot 214 is provided on one side of the top end of the connecting head cover 21, and the position where the two sides of the top of the slot 214 are connected to the top of the connecting head cover 21 is arc-shaped.

[0056] Embodiment 2:

[0057] An internal thread 112 is provided on the inner end surface near the bottom end of the dustproof head cover 11, and an external thread 122 is provided on the outer end surface near the top end of the connecting nut 12. The top end of the connecting nut 12 is rotatably fixed to the bottom end of the dustproof head cover 11, and the external thread 122 at the top end of the connecting nut 12 and the internal thread 112 at the bottom end of the dustproof head cover 11 are meshed with each other. A second sealing ring 70 is provided near the top end of the connecting nut 12 and above the external thread 122. When the dustproof head cover 11 and the connecting nut 12 are screwed and fixed, the second sealing ring 70 can enhance the sealing effect.

[0058] The third clamping block 211 is symmetrically arranged on both sides of the bottom end of the connecting head cover 21, and the inner end surface of the bottom end of the connecting head cover 21 is provided with a vertical first limit block 212 and a second limit block 213 at the position corresponding to the first clamping groove 227 and the second clamping groove 228. The slot width of the first clamping groove 227 is greater than the slot width of the second clamping groove 228, so that the first limit block 212 and the second limit block 213 are not interchangeable, thereby achieving the effect of fixing the installation direction of the connecting head cover 21 and preventing the connecting head cover 21 from rotating and deviating along the circumference, thereby being more stable. The top of the connecting head cover 21 is provided with a vertically upward plug block 215.

[0059] It should be noted that in the present invention, the bottom ends of the connecting head covers 21 in Examples 1 and 2 are fixed on the connecting tail covers 22 by plugging, and two different connectors can be adapted by replacing the connecting head covers 21 in Examples 1 and 2. During use, different connecting head covers 21 can be directly replaced according to different connectors, so that the connector has better compatibility.

[0060] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A composite outdoor connector, comprising a dust cover (10) and a connecting sleeve (20), characterized in that: The dust cover (10) comprises a dust cover (11) and a connecting nut (12), the dust cover (11) and the connecting nut (12) are screwed together and fixed, the connecting sleeve (20) comprises a connecting sleeve (21) and a connecting sleeve (22), a connecting assembly (30) is provided in the middle of the connecting sleeve (20), and the connecting assembly (30) comprises a protective sleeve (31), a connecting head (32), a fixing member (33), a stop ring (34) and a plug (35); The protective sleeve (31) is sleeved on the end of the plug core (35), the plug core (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 provided on both sides close to the bottom end of the connector (32), first clamping blocks (331) are provided on both sides close to the front end of the fixing member (33) at positions corresponding to the first clamping grooves (321), a plurality of second clamping grooves (341) are provided at equal intervals around the stop ring (34), second clamping blocks (322) are provided on the inner walls on both sides of the connector (32), the second clamping blocks (322) are clamped in the second clamping grooves (341), and the top end of the plug core (35) extends out from the top end of the connector (32); Third clamping grooves (221) are provided on both sides near the top of the connecting tail sleeve (22); the top of the connecting tail sleeve (22) is inserted into the bottom of the connecting head sleeve (21); the bottom of the connecting head sleeve (21) is connected to a third clamping block (211) provided at a position corresponding to the third clamping groove (221); a through hole (222) is provided in the middle of the connecting tail sleeve (22); an optical cable (40) is passed through the through hole (222); an optical cable fixing ring (401) is provided in the optical cable (40) corresponding to the through hole (222); the optical cable (40) passes through the connecting tail sleeve (22), the connecting head sleeve (21) and the fixing member (33) in sequence and is then connected to the bottom of the ferrule (35).

2. The composite outdoor connector according to claim 1, characterized in that: A connecting handle (50) is provided between the dustproof head cover (11) and the connecting tail cover (22); one end of the connecting handle (50) is connected to a position close to the top end of the dustproof head cover (11); the other end of the connecting handle (50) is connected to a position close to the bottom end of the connecting tail cover (22); and the dustproof cover (10) is connected to the bottom end of the dustproof head cover (11).

3. The composite outdoor connector according to claim 1, characterized in that: A fourth clamping groove (111) is provided on the outer end surface close to the bottom end of the dustproof head cover (11), and a fourth clamping point (121) is provided on the inner end surface close to the top end of the connecting nut (12). The fourth clamping point (121) is rotatably clamped in the fourth clamping groove (111). A first sealing ring (60) is provided close to the bottom end of the dustproof head cover (11) and at an upper position corresponding to the fourth clamping groove (111).

4. The composite outdoor connector according to claim 1, characterized in that: An internal thread (112) is provided on the inner end surface near the bottom end of the dust cover (11), and an external thread (122) is provided on the outer end surface near the top end of the connecting nut (12). The top end of the connecting nut (12) is rotatably fixed to the bottom end of the dust cover (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 cover (11) are meshed with each other. A second sealing ring (70) is provided near the top end of the connecting nut (12) and above the external thread (122).

5. The composite outdoor connector according to claim 1, characterized in that: A first groove (223) is provided at the rear end of the connecting tail sleeve (22), a second groove (229) is provided near the front end of the connecting tail sleeve (22), a third sealing ring (80) is provided in the second groove (229), a mounting groove (224) having the same shape as the bottom end of the fixing member (33) is provided at the front end of the connecting tail sleeve (22), fifth clamping points (332) are provided on both sides of the fixing member (33), and a fifth clamping groove (225) is provided in the mounting groove (224) at a position corresponding to the fifth clamping point (332).

6. The composite outdoor connector according to claim 1, characterized in that: The third clamping groove (221) is symmetrically arranged on the outer end surfaces on both sides close to the top of the connecting tail sleeve (22); the top of the connecting tail sleeve (22) is provided with an opening (226) vertically downward corresponding to the third clamping groove (221); the top of the connecting tail sleeve (22) is provided with a first clamping groove (227) and a second clamping groove (228) vertically downward; the first clamping groove (227) and the second clamping groove (228) are symmetrically arranged on the top of the connecting tail sleeve (22); and the slot width dimension of the first clamping groove (227) is greater than the slot width dimension of the second clamping groove (228).

7. The composite outdoor connector according to claim 6, characterized in that: The third clamping block (211) is symmetrically arranged on both sides of the bottom end of the connecting head cover (21); a vertical first limit block (212) and a second limit block (213) are provided at positions of the inner end surface of the bottom end of the connecting head cover (21) corresponding to the first clamping groove (227) and the second clamping groove (228); a vertical downward opening groove (214) is provided at the top of the connecting head cover (21); and the positions where the two sides of the top of the opening groove (214) are connected to the top of the connecting head cover (21) are arc-shaped.

8. The composite outdoor connector according to claim 6, characterized in that: The third clamping block (211) is symmetrically arranged on both sides of the bottom end of the connecting head cover (21); a vertical first limit block (212) and a second limit block (213) are provided at positions of the inner end surface of the bottom end of the connecting head cover (21) corresponding to the first clamping groove (227) and the second clamping groove (228); and a vertically upward plug block (215) is provided at the top end of the connecting head cover (21).

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