Quick-connect and disconnect fiber optic connector

Abstract

The present invention relates to the technical field of fiber optic flexible connectors, and discloses a fiber optic flexible connector with quick plugging and unplugging, including a main body unit and a mounting unit; wherein, the main body unit includes a connector main body, a gland is rotatably mounted on the side surface of the connector main body, tail ports are arranged on the end of the connector main body and the side surface of the gland, a connecting pipe is arranged at one end of the connector main body away from the tail port, a connecting flange corresponding to the connecting pipe is arranged at the end of the connector main body, and tail cylinders are arranged on the outer walls of the two tail ports. In the present invention, a dust-proof cover plate is arranged at the end of the connector main body. Before the connecting pipe is inserted into the connecting flange, the dust-proof cover plate is kept closed by the action of a torsion spring to prevent dust and the like from affecting the connecting pipe. When inserting, the vertical rod pushes the connecting block to drive the dust-proof cover plate to rotate and open. After the connection is completed, the dust-proof cover plate enters the receiving groove. When pulling out, under the action of the torsion spring, the dust-proof cover plate reversely rotates to re-wrap the connecting pipe, realizing effective dust-proof protection of the connecting pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of fiber optic flexible connectors, and particularly to a fiber optic flexible connector with quick plugging and unplugging. Background Art

[0002] A fiber optic flexible connector is a key passive device used to connect two optical fibers or between an optical fiber and an optical device, realizing detachable and repeatable connection of optical signals. It is widely used in fields such as fiber optic communication, data centers, local area networks, and industrial control, and has characteristics such as low loss, high reliability, easy installation, and maintenance.

[0003] Upon retrieval, a Chinese patent with the publication number CN221572870U discloses a waterproof fiber optic flexible connector, including a female head of the fiber optic flexible connector and a male head of the fiber optic flexible connector. A first waterproof structure is installed on the male head of the fiber optic flexible connector, and a second waterproof structure is installed inside the first waterproof structure. The second waterproof structure is composed of a sealed rubber airbag and a sealed support spring. There are several sealed support springs and they are symmetrically installed inside the sealed rubber airbag. By setting the first waterproof structure on the male head of the fiber optic flexible connector and setting the second waterproof structure inside the first waterproof structure, and at the same time making the first waterproof structure and the second waterproof structure cooperate, the insertion joint of the female head and the male head of the fiber optic flexible connector can be sealed, thereby improving the waterproof effect at the insertion joint of the female head and the male head of the fiber optic flexible connector, and further making it not easy for water to enter the insertion joint of the female head and the male head of the fiber optic flexible connector. However, when this solution is actually used, there are still the following deficiencies:

[0004] In the solution, a protective sleeve is usually provided on the outer side of the connecting pipe at the end of the male head to protect the internal precise connection structure from the influence of the external environment such as dust and moisture. However, during the actual operation process, when the female head of the connector is docked with the male head of the connector, these protective sleeves are often removed and discarded after completing their initial installation tasks. Once it is necessary to separate the female head and the male head of the connector for necessary inspection, cleaning, or repair, the connecting pipe without the protection of the protective sleeve will be directly exposed to the external environment, and it is extremely easy to be contaminated with dust, impurities, or other pollutants. This not only may damage the fiber optic connection surface, reducing the quality and stability of signal transmission, but also may cause poor contact due to the presence of dust and other impurities during reconnection, increasing signal loss and affecting the stability and reliability of the entire fiber optic communication system.

[0005] Therefore, it is necessary to design a fiber optic flexible connector with quick plugging and unplugging to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to propose a fiber optic flexible connector with quick plugging and unplugging to solve the drawbacks existing in the prior art.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A quick-plug optical fiber connector, including a main unit and an installation unit;

[0009] The main unit comprises a connector body, a gland is rotatably mounted on the side of the connector body, a tail port is arranged at the end of the connector body and the side of the gland, a connecting pipe is arranged at one end of the connector body away from the tail port, a connecting flange corresponding to the connecting pipe is arranged at the end of the connector body, tail barrels are arranged on the outer walls of the two tail ports, and a threaded sleeve screwed to the tail port is rotatably mounted at the end of the tail barrel;

[0010] The mounting unit comprises four brackets arranged in a circular array and fixedly mounted on the side of the connector body and located outside the connecting tube, the inner wall of the bracket is rotatably mounted with a shaft, the outer wall of the shaft is fixedly sleeved with a connecting block, the end of the connecting block is fixedly mounted with a dust cover, the end of the shaft is sleeved with a torsion spring, and the two ends of the torsion spring are respectively fixedly connected to the bracket and the shaft;

[0011] Wherein, an opening and closing assembly corresponding to the dust cover is arranged on the inner side of the connecting flange, and a sealing assembly is arranged on the connecting flange;

[0012] Wherein, a limiting component is arranged at the end of the tail cylinder.

[0013] As a preferred technical solution of the present invention, a plug core is arranged on the inner side of the connector body, and a protective cap corresponding to the plug core is mounted on the outer wall of the connector body.

[0014] As a preferred technical solution of the present invention, the inner wall of the connecting flange is provided with four receiving grooves distributed in a circular array and corresponding to the dust cover plate, and the dust cover plate is configured in a quarter cylinder shape.

[0015] As a preferred technical solution of the present invention, the opening and closing assembly includes guide grooves respectively opened on the four inner walls of the connecting flange, the inner walls of the four guide grooves are slidably installed with guide blocks, the sides of the four guide blocks are fixedly installed with vertical rods adapted to the connecting blocks, and the end of the connector body is provided with four makeshift grooves corresponding to the vertical rods.

[0016] As a preferred technical solution of the present invention, two convex bulges are symmetrically fixedly mounted on one end of the vertical rod away from the guide block, and two slots corresponding to the convex bulges are symmetrically formed on the inner wall of the clearance groove.

[0017] As a preferred technical solution of the present invention, the sealing assembly includes four guiding ports respectively opened on the side surface of the connecting flange, and the guiding ports are communicated with the guiding grooves. A sliding frame is slidably installed on the outer wall of the connecting flange, and the inner wall of the sliding frame is fixedly connected with a guiding block through the guiding port. An "O"-shaped groove one is opened on the side surface of the connecting flange, and an elastic airbag ring is arranged on the inner wall of the "O"-shaped groove one. An extrusion frame adapted to the elastic airbag ring is fixedly installed on the side surface of the sliding frame. An "O"-shaped groove two is opened on the inner wall of the connecting flange, and a sealing airbag ring is arranged on the inner wall of the "O"-shaped groove two. The elastic airbag ring and the sealing airbag ring are communicated through a conduit.

[0018] As a preferred technical solution of the present invention, both the elastic airbag ring and the sealing airbag ring are arranged in an "O" shape.

[0019] As a preferred technical solution of the present invention, the limiting assembly includes an annular groove opened on the inner wall of the end of the tail tube. Four elastic sheets distributed in an annular array are fixedly installed on the inner wall of the annular groove. Clamping blocks are fixedly installed on the opposite side surfaces of the four elastic sheets. A sliding sleeve is slidably installed on the inner wall of the end of the tail tube, and the end of the elastic sheet far from the connection with the annular groove is fixedly connected with the side surface of the sliding sleeve.

[0020] As a preferred technical solution of the present invention, an opening communicated with the annular groove is opened on the inner wall of the tail tube, and a top rod adapted to the opening is fixedly installed on the side surface of the tail port.

[0021] As a preferred technical solution of the present invention, the elastic sheet is arranged in an arc shape, and an anti-slip pattern is arranged at the end of the clamping block far from the elastic sheet.

[0022] The present invention has the following beneficial effects:

[0023] 1. By setting the tail tube and the elastic sheet, the tail tube is screwed with the tail port. During the rotation process, the top rod pushes the sliding sleeve, stretching the elastic sheet to make the clamping block fit against the outer wall of the optical fiber and generate an extrusion force. The anti-slip pattern is used to increase the friction force, which not only realizes the firm connection between the optical fiber and the connector body, but also when the optical fiber is pulled by an external force, the elasticity of the elastic sheet can block the movement of the optical fiber, ensuring the stability of the optical fiber during use.

[0024] 2. By setting the dust-proof cover plate and the vertical rod, a dust-proof cover plate is arranged at the end of the connector body. Before the connecting pipe is inserted into the connecting flange, the dust-proof cover plate is kept closed by the action of the torsion spring to prevent dust and the like from affecting the connecting pipe. When inserting, the vertical rod pushes the connecting block to drive the dust-proof cover plate to rotate and open. After the connection is completed, the dust-proof cover plate enters the accommodation groove. When pulling out, under the action of the torsion spring, the dust-proof cover plate reversely rotates to re-wrap the connecting pipe, realizing the effective dust-proof protection of the connecting pipe.

[0025] 3. By setting the elastic airbag ring and the sealing airbag ring, during the process of inserting the connector body into the connecting flange, the guide block moves to drive the sliding frame to slide, and the extrusion frame extrudes the elastic airbag ring, so that the gas inside it enters the sealing airbag ring through the conduit. The sealing airbag ring expands out the second mouth-shaped groove to block the gap between the connecting flange and the connector body, and at the same time fixes the connector body, ensuring the sealing performance during connection. Brief Description of the Drawings

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the quick plug-and-play fiber optic connector proposed by the present invention.

[0027] Figure 2 It is a structural schematic diagram of the connector body of the quick plug-and-play fiber optic connector proposed by the present invention Figure 1 。

[0028] Figure 3 It is a structural schematic diagram of the connector body of the quick plug-and-play fiber optic connector proposed by the present invention Figure 2 。

[0029] Figure 4 is Figure 2 the enlarged structural schematic diagram at A in

[0030] Figure 5 It is a structural schematic diagram of the connecting flange of the quick plug-and-play fiber optic connector proposed by the present invention.

[0031] Figure 6 It is a partially sectioned structural schematic diagram of the connecting flange of the quick plug-and-play fiber optic connector proposed by the present invention.

[0032] Figure 7 It is a partially sectioned structural schematic diagram of the tail cylinder of the quick plug-and-play fiber optic connector proposed by the present invention.

[0033] Figure 8 It is a structural schematic diagram of the guide block and the vertical rod of the quick plug-and-play fiber optic connector proposed by the present invention.

[0034] In the figure: 11. Connector body; 12. Ferrule; 13. Protective cap; 14. Pressing cover; 15. Tail port; 16. Connecting flange; 17. Tail cylinder; 21. Bracket; 22. Shaft rod; 23. Connecting block; 24. Dust-proof cover plate; 25. Torsion spring; 26. Receiving groove; 31. Guide groove; 32. Guide block; 33. Vertical rod; 34. Relief groove; 35. Convex bump; 36. Card slot; 41. Guide port; 42. Sliding frame; 43. First mouth-shaped groove; 44. Elastic airbag ring; 45. Extrusion frame; 46. Second mouth-shaped groove; 47. Sealing airbag ring; 48. Conduit; 51. Annular groove; 52. Elastic piece; 53. Block; 54. Sliding sleeve; 55. Opening; 56. Thumb rod. Detailed implementation mode

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0036] Refer to Figure 1-8 , a quick-insert and quick-extraction optical fiber active connector, including a main body unit and an installation unit;

[0037] Among them, the main body unit includes a connector main body 11. An optical ferrule 12 is arranged inside the connector main body 11. A protective cap 13 corresponding to the optical ferrule 12 is sleeved on the outer wall of the connector main body 11. A gland 14 is rotatably installed on the side of the connector main body 11. Tail ports 15 are arranged on the end of the connector main body 11 and the side of the gland 14 respectively. A connecting pipe is arranged at one end of the connector main body 11 away from the tail port 15. A connecting flange 16 corresponding to the connecting pipe is arranged at the end of the connector main body 11. Tail cylinders 17 are arranged on the outer walls of the two tail ports 15. A threaded sleeve screwed with the tail port 15 is rotatably installed at the end of the tail cylinder 17.

[0038] During use, first, the staff can process the connection end of the optical fiber, such as stripping the wire and applying glue to the connection end of the optical fiber. After the processing is completed, the staff can open the gland 14 to expose the optical ferrule 12. Then, the tail cylinder 17 is sleeved on the optical fiber, and the connection end of the optical fiber is placed in the tail port 15 and the processed part is inserted into the optical ferrule 12. The staff can then cover the gland 14 to align the two tail ports 15. At this time, the tail cylinder 17 is slid and sleeved on the outer walls of the two tail ports 15. The tail cylinder 17 is screwed with the tail port 15. Therefore, when the two are connected, the tail cylinder 17 can be rotated to achieve screwing, ensuring that the tail cylinder 17 can be stably sleeved on the outer wall of the tail port 15 and firmly fixing the two tail ports 15 and the gland 14.

[0039] The installation unit includes four brackets 21 fixedly installed on the side of the connector main body 11 outside the connecting pipe and distributed in a circular array. A shaft rod 22 is rotatably installed on the inner wall of the bracket 21. A connecting block 23 is fixedly sleeved on the outer wall of the shaft rod 22. A dust-proof cover plate 24 is fixedly installed at the end of the connecting block 23. The dust-proof cover plate 24 is set as a quarter cylindrical shape. A torsion spring 25 is sleeved on the end of the shaft rod 22. The two ends of the torsion spring 25 are fixedly connected with the bracket 21 and the shaft rod 22 respectively. Four accommodation grooves 26 corresponding to the dust-proof cover plate 24 are opened on the inner wall of the connecting flange 16 and distributed in a circular array.

[0040] An opening and closing assembly corresponding to the dust-proof cover plate 24 is provided inside the connecting flange 16. The opening and closing assembly includes guide grooves 31 respectively opened on the four inner walls of the connecting flange 16. Guide blocks 32 are slidably installed on the inner walls of the four guide grooves 31. Vertical rods 33 adapted to the connecting blocks 23 are fixedly installed on the sides of the four guide blocks 32. Four relief grooves 34 corresponding to the vertical rods 33 are opened at the end of the connector body 11. Two convex bumps 35 are symmetrically and fixedly installed at one end of the vertical rod 33 away from the guide block 32. Two card slots 36 corresponding to the convex bumps 35 are symmetrically opened on the inner wall of the relief groove 34.

[0041] After the optical fiber is connected to the connector body 11, the staff can insert the connector body 11 into the connecting flange 16. Before insertion, the outer wall of the connecting pipe at the end of the connector body 11 is protected by four dust-proof cover plates 24. The four dust-proof cover plates 24 are located outside the connecting pipe to prevent it from being affected by dust, etc. As the connecting pipe is inserted into the connecting flange 16, first, the vertical rod 33 in the connecting flange 16 can contact the connecting block 23. Since the friction between the guide block 32 and the guide groove 31 is greater than the torque of the torsion spring 25, as the connector body 11 is pushed, the vertical rod 33 can push the connecting block 23 and drive the dust-proof cover plate 24 and the shaft rod 22 to rotate, so that the four dust-proof cover plates 24 can open to expose the connecting pipe. At this time, the vertical rod 33 can enter the relief groove 34, and under the engagement of the convex bump 35 and the card slot 36, the vertical rod 33 can be stably located in the relief groove 34. As the connector body 11 is continuously pushed, it can drive the vertical rod 33 and the guide block 32 to slide along the guide groove 31. After the connector body 11 is connected to the connecting flange 16, at this time, the dust-proof cover plate 24 can enter the receiving groove 26 for placement, and at this time, the connector body 11 and the connecting flange 16 can be snap-connected through the clamping plate and the clamping opening. The connection method and working principle of the clamping plate and the clamping opening are mature existing technologies and will not be elaborated here; during the process of the connector body 11 being pulled out of the connecting flange 16, first, the clamping plate is toggled to separate from the clamping opening to release the limit on the connector body 11. Under the engagement of the convex bump 35 and the card slot 36, when the connector body 11 moves, it can drive the vertical rod 33 and the guide block 32 to slide reversely along the guide groove 31. When the guide block 32 moves to the end of the guide groove 31, the vertical rod 33 can move out of the relief groove 34. When the connecting block 23 is separated from the vertical rod 33, under the action of the torsion spring 25, the shaft rod 22 and the dust-proof cover plate 24 can reverse to wrap the connecting pipe inside to prevent it from being affected by dust, etc.

[0042] A sealing assembly is provided on the connecting flange 16. The sealing assembly includes four guiding openings 41 respectively opened on the side surface of the connecting flange 16, and the guiding openings 41 communicate with the guiding grooves 31. A sliding frame 42 is slidably installed on the outer wall of the connecting flange 16, and the inner wall of the sliding frame 42 is fixedly connected with the guiding block 32 through the guiding opening 41. An I-shaped groove one 43 is opened on the side surface of the connecting flange 16, and an elastic airbag ring 44 is arranged on the inner wall of the I-shaped groove one 43. An extrusion frame 45 adapted to the elastic airbag ring 44 is fixedly installed on the side surface of the sliding frame 42. An I-shaped groove two 46 is opened on the inner wall of the connecting flange 16, and a sealing airbag ring 47 is arranged on the inner wall of the I-shaped groove two 46. Both the elastic airbag ring 44 and the sealing airbag ring 47 are arranged in an I-shape, and the elastic airbag ring 44 and the sealing airbag ring 47 are communicated through a conduit 48.

[0043] During the process of inserting the connector body 11 into the connecting flange 16, when the guiding block 32 moves, it can drive the sliding frame 42 to slide through the guiding opening 41. When the connector body 11 is in place, the extrusion frame 45 can extrude the elastic airbag ring 44 in the I-shaped groove one 43. When the elastic airbag ring 44 is extruded, the gas inside it can enter the sealing airbag ring 47 through the conduit 48. After the sealing airbag ring 47 is inflated, it can expand out of the I-shaped groove two 46 and block the gap between the connecting flange 16 and the connector body 11. At the same time, the connector body 11 can be fixed by the cooperation of the clamping plate and the clamping opening. The elastic airbag ring 44 can be in an extruded state, ensuring the sealing performance when the connector body 11 is connected to the connecting flange 16.

[0044] A limiting assembly is provided at the end of the tail cylinder 17. The limiting assembly includes an annular groove 51 opened on the inner wall of the end of the tail cylinder 17. Four elastic sheets 52 distributed in an annular array are fixedly installed on the inner wall of the annular groove 51. The elastic sheets 52 are arranged in an arc shape. Clamping blocks 53 are fixedly installed on the opposite side surfaces of the four elastic sheets 52. Anti-slip patterns are provided at one end of the clamping block 53 away from the elastic sheet 52. A sliding sleeve 54 is slidably installed on the inner wall of the end of the tail cylinder 17, and one end of the elastic sheet 52 away from the connection with the annular groove 51 is fixedly connected with the side surface of the sliding sleeve 54. An opening 55 communicating with the annular groove 51 is opened on the inner wall of the tail cylinder 17. A top rod 56 adapted to the opening 55 is fixedly installed on the side surface of the tail opening 15.

[0045] During the process of connecting the tail cylinder 17 to the tail port 15, first, the tail cylinder 17 needs to be aligned so that the ejector rod 56 on the side of the tail port 15 can be inserted into the opening 55. As the tail cylinder 17 rotates, under the action of the thread, the tail cylinder 17 can move along the tail port 15, and the ejector rod 56 can approach the sliding sleeve 54. As the tail cylinder 17 is screwed, the ejector rod 56 can contact the sliding sleeve 54 and push the sliding sleeve 54, causing the sliding sleeve 54 to move in the opposite direction to the tail cylinder 17. When the sliding sleeve 54 moves, since both ends of the elastic piece 52 are fixedly connected to the annular groove 51 and the sliding sleeve 54 respectively, the elastic piece 52 can be stretched when the sliding sleeve 54 moves, causing the elastic piece 52 to gradually straighten. When the tail cylinder 17 is in place, the four elastic pieces 52 can gradually deform until the clamping blocks 53 on the side fit against the outer wall of the optical fiber and have a certain extrusion force. At this time, under the action of the anti-slip pattern at the end of the clamping block 53, the friction between the clamping block 53 and the outer wall of the optical fiber can be increased, enabling the optical fiber to be firmly connected to the connector body 11. During use, if the optical fiber located outside the tail cylinder 17 is pulled, the optical fiber can drive the clamping block 53 to move under the action of friction. Since the elastic piece 52 has a certain elasticity when the clamping block 53 moves, it can block the optical fiber from being pulled outwards, ensuring the stability of the optical fiber during use.

[0046] The specific working principle of the present invention is as follows:

[0047] During use, first, the staff can process the connection end of the optical fiber, such as stripping the wire and applying glue to the connection end of the optical fiber. After the processing is completed, the staff can open the gland 14 to expose the ferrule 12. Then, the tail cylinder 17 is sleeved on the optical fiber, and the connection end of the optical fiber is placed in the tail port 15 and the processed part is inserted into the ferrule 12. The staff can then cover the gland 14 to align the two tail ports 15. At this time, the tail cylinder 17 is slid and sleeved on the outer walls of the two tail ports 15. The tail cylinder 17 and the tail port 15 are screwed, so when the two are connected, the tail cylinder 17 can be rotated to achieve screwing, ensuring that the tail cylinder 17 can be stably sleeved on the outer wall of the tail port 15 and firmly fixing the two tail ports 15 and the gland 14.

[0048] During the process of connecting the tail cylinder 17 to the tail port 15, first, the tail cylinder 17 needs to be aligned so that the ejector rod 56 on the side of the tail port 15 can be inserted into the opening 55. As the tail cylinder 17 rotates, under the action of the thread, the tail cylinder 17 can move along the tail port 15, and the ejector rod 56 can approach the sliding sleeve 54. As the tail cylinder 17 is screwed, the ejector rod 56 can contact the sliding sleeve 54 and push the sliding sleeve 54, causing the sliding sleeve 54 to move in the opposite direction to the tail cylinder 17. When the sliding sleeve 54 moves, since both ends of the elastic piece 52 are fixedly connected to the annular groove 51 and the sliding sleeve 54 respectively, the sliding sleeve 54 can stretch the elastic piece 52 when it moves, making the elastic piece 52 gradually straighten. When the tail cylinder 17 is in place, the four elastic pieces 52 can gradually deform until the clamping blocks 53 on the side fit against the outer wall of the optical fiber with a certain squeezing force. At this time, under the action of the anti-slip lines at the end of the clamping block 53, the friction between the clamping block 53 and the outer wall of the optical fiber can be increased, enabling the optical fiber to be firmly connected to the connector body 11. During use, if the optical fiber located outside the tail cylinder 17 is pulled, the optical fiber can drive the clamping block 53 to move under the action of friction. Since the elastic piece 52 has a certain elasticity when the clamping block 53 moves, it can block the outward pull of the optical fiber, ensuring the stability of the optical fiber during use.

[0049] After connecting the optical fiber to the connector body 11, the staff can insert the connector body 11 into the connection flange 16. Before insertion, the outer wall of the connecting pipe at the end of the connector body 11 is protected by four dust-proof covers 24. The four dust-proof covers 24 are located outside the connecting pipe to prevent it from being affected by dust, etc. As the connecting pipe is inserted into the connection flange 16, first, the vertical rod 33 in the connection flange 16 can contact the connection block 23. Since the friction between the guide block 32 and the guide groove 31 is greater than the torque of the torsion spring 25, as the connector body 11 is pushed, the vertical rod 33 can push the connection block 23 and drive the dust-proof cover 24 and the shaft rod 22 to rotate, causing the four dust-proof covers 24 to open and expose the connecting pipe. At this time, the vertical rod 33 can enter the relief groove 34, and under the engagement of the convex bump 35 and the card slot 36, the vertical rod 33 can be stably located in the relief groove 34. As the connector body 11 is continuously pushed, it can drive the vertical rod 33 and the guide block 32 to slide along the guide groove 31. After the connector body 11 is connected to the connection flange 16, at this time, the dust-proof cover 24 can enter the receiving groove 26 for placement, and at this time, the connector body 11 and the connection flange 16 can be connected by clamping through the clamping plate and the clamping opening. The connection method and working principle of the clamping plate and the clamping opening are mature existing technologies and will not be elaborated here.

[0050] In the process of pulling out the connecting flange 16 from the connector body 11, the card plate is first pushed and separated from the card slot to release the limit on the connector body 11. Under the engagement of the convex bump 35 and the card slot 36, the connector body 11 can drive the vertical rod 33 and the guide block 32 to slide in the opposite direction along the guide groove 31 when it moves, and when the guide block 32 moves to the end of the guide groove 31, the vertical rod 33 can move out of the clearance groove 34. When the connecting block 23 is separated from the vertical rod 33, the shaft rod 22 and the dust cover plate 24 can be reversed under the action of the torsion spring 25 to attach the connecting pipe package to the inside to avoid being affected by dust and the like.

[0051] During the process of inserting the connector body 11 into the connecting flange 16, the guide block 32 can move and drive the sliding frame 42 to slide through the guide port 41. When the connector body 11 is in place, the extrusion frame 45 can squeeze the elastic airbag ring 44 in the mouth-shaped groove 1 43. When the elastic airbag ring 44 is squeezed, the gas inside the elastic airbag ring 44 can enter the sealing airbag ring 47 through the conduit 48. After the sealing airbag ring 47 is inflated, it can expand the outlet-shaped groove 2 46 and block the gap between the connecting flange 16 and the connector body 11. At the same time, the connector body 11 can be fixed by using the card plate and the bayonet, and the elastic airbag ring 44 can be in an extruded state, thereby ensuring the sealing of the connector body 11 and the connecting flange 16 when connected.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A quick-plug optical fiber connector, characterized in that: It includes a main unit and an installation unit; The main unit comprises a connector body (11), a gland (14) is rotatably mounted on the side of the connector body (11), a tail opening (15) is arranged at the end of the connector body (11) and the side of the gland (14), a connecting pipe is arranged at one end of the connector body (11) away from the tail opening (15), a connecting flange (16) corresponding to the connecting pipe is arranged at the end of the connector body (11), tail barrels (17) are arranged on the outer walls of the two tail openings (15), and a threaded sleeve screwed to the tail opening (15) is rotatably mounted at the end of the tail barrel (17); The mounting unit comprises four brackets (21) which are fixedly mounted on the side of the connector body (11) and located outside the connecting tube and are distributed in a ring array; a shaft (22) is rotatably mounted on the inner wall of the bracket (21); a connecting block (23) is fixedly sleeved on the outer wall of the shaft (22); a dust cover (24) is fixedly mounted on the end of the connecting block (23); a torsion spring (25) is sleeved on the end of the shaft (22); and two ends of the torsion spring (25) are fixedly connected to the bracket (21) and the shaft (22), respectively. Wherein, an opening and closing assembly corresponding to the dust cover plate (24) is arranged on the inner side of the connecting flange (16), and a sealing assembly is arranged on the connecting flange (16); Wherein, the end of the tail cylinder (17) is provided with a limit position assembly; The opening and closing assembly comprises guide grooves (31) respectively formed on four inner walls of the connecting flange (16); guide blocks (32) are slidably mounted on the inner walls of the four guide grooves (31); vertical rods (33) adapted to the connecting block (23) are fixedly mounted on the sides of the four guide blocks (32); and four clearance grooves (34) corresponding to the vertical rods (33) are formed at the end of the connector body (11).

2. The quick-plug optical fiber active connector according to claim 1, characterized in that: An insert core (12) is arranged on the inner side of the connector body (11), and a protective cap (13) corresponding to the insert core (12) is sleeved on the outer wall of the connector body (11).

3. The quick-plug optical fiber active connector according to claim 1, characterized in that: The inner wall of the connecting flange (16) is provided with four receiving grooves (26) distributed in a ring array and corresponding to the dust cover plate (24), and the dust cover plate (24) is arranged in a quarter cylinder shape.

4. The quick-plug optical fiber active connector according to claim 1, characterized in that: Two convex bulges (35) are symmetrically fixedly mounted on one end of the vertical rod (33) away from the guide block (32), and two clamping grooves (36) corresponding to the convex bulges (35) are symmetrically formed on the inner wall of the clearance groove (34).

5. The quick-plug optical fiber active connector according to claim 1, characterized in that: The sealing assembly comprises four guide openings (41) respectively provided on the side of the connecting flange (16), and the guide openings (41) are communicated with the guide groove (31); a sliding frame (42) is slidably mounted on the outer wall of the connecting flange (16), and the inner wall of the sliding frame (42) is fixedly connected to the guide block (32) through the guide openings (41); a first U-shaped groove (43) is provided on the side of the connecting flange (16), and an elastic airbag ring (44) is provided on the inner wall of the first U-shaped groove (43); an extrusion frame (45) adapted to the elastic airbag ring (44) is fixedly mounted on the side of the sliding frame (42); a second U-shaped groove (46) is provided on the inner wall of the second U-shaped groove (46), and a sealing airbag ring (47) is provided on the inner wall of the second U-shaped groove (46); the elastic airbag ring (44) and the sealing airbag ring (47) are communicated with each other through a conduit (48).

6. The quick-plug optical fiber active connector according to claim 5, characterized in that: The elastic airbag ring (44) and the sealing airbag ring (47) are both arranged in a square shape.

7. The quick-plug optical fiber active connector according to claim 1, characterized in that: The limiting assembly comprises an annular groove (51) formed on the inner wall of the end of the tail cylinder (17); four elastic sheets (52) distributed in an annular array are fixedly mounted on the inner wall of the annular groove (51); blocks (53) are fixedly mounted on opposite sides of the four elastic sheets (52); a sliding sleeve (54) is slidably mounted on the inner wall of the end of the tail cylinder (17); and an end of the elastic sheet (52) away from the annular groove (51) is fixedly connected to the side of the sliding sleeve (54).

8. The quick-plug optical fiber active connector according to claim 7, characterized in that: An opening (55) communicating with the annular groove (51) is formed on the inner wall of the tail cylinder (17), and a push rod (56) matching the opening (55) is fixedly mounted on the side of the tail port (15).

9. The quick-plug optical fiber active connector according to claim 7, characterized in that: The elastic sheet (52) is arranged in an arc shape, and an end of the clamping block (53) away from the elastic sheet (52) is provided with anti-slip grooves.

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