CN113219593B

CN113219593B - Optical fiber coupler

Info

Publication number: CN113219593B
Application number: CN202110492196.0A
Authority: CN
Inventors: 林友生; 谢运刚; 孙友华; 杨娥; 吉赛男
Original assignee: Zg Technology Shenzhen Ltd
Current assignee: Zg Technology Shenzhen Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-10-21
Anticipated expiration: 2041-05-06
Also published as: CN113219593A

Abstract

The utility model relates to an optical fiber coupler, relate to fiber connector's field, it includes the mount pad, the input subassembly, lens subassembly and output assembly, the erection channel has been seted up to the mount pad, the mounting hole has been seted up in the double-phase contralateral symmetry of erection channel to the mount pad, the mounting hole is located between input subassembly and the lens subassembly, the mount pad is fixed with the input tube in arbitrary mounting hole, be fixed with the output tube in another mounting hole, the tip of input tube and the tip of output tube all are fixed with a plurality of branch pipes, the tip that the mount pad was kept away from to the branch pipe is provided with conveying mechanism, conveying mechanism is used for injecting into or taking anhydrous alcohol and air out in the erection channel, the tip that the mount pad was kept away from to the branch pipe is provided with the sealing member, the mount pad is provided with the guiding mechanism who is used for guiding anhydrous alcohol and hot-air flow to lens subassembly. This application has the difficult effect of blockking up of light energy transmission channel, can reduce fiber coupler's dismouting number of times, is favorable to promoting fiber coupler's life.

Description

Optical fiber coupler

Technical Field

The present application relates to the field of fiber optic connectors, and more particularly, to an optical fiber coupler.

Background

The optical fiber coupler is a device for detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so that light energy output by a transmitting optical fiber can be coupled into a receiving optical fiber to the maximum extent, and the influence on a system caused by the interference of the light energy into an optical link is minimized.

The current chinese patent with patent application number CN202022083110.2 proposes an optical fiber coupler, which comprises a mounting base, an input seat assembly, lens assembly and output assembly, the installation channel has been seted up on the mounting base, input seat assembly and output assembly are located the both ends of installation channel respectively, the lens assembly is located the installation channel and is located between input seat assembly and the output assembly, the lens assembly includes the connecting seat, first lens and second lens, the mounting hole has been seted up in the connecting seat, first lens sets up in the mounting hole, and be located the one side that is close to the input seat assembly, this first lens is used for collimated light. The second lens is arranged in the mounting hole and positioned on one side far away from the input seat assembly, and the second lens is used for gathering light.

In the related art, in the process of transmitting light energy in the installation channel, the end face of the optical fiber and the nearby area are easily subjected to high temperature, so that the end face of the optical fiber is easily carbonized, impurities generated by carbonization are easily attached to the lens assembly, and the channel for transmitting light energy is further blocked.

Disclosure of Invention

In order to improve the problem that the channel for transmitting light energy is easy to block, the application provides an optical fiber coupler.

The optical fiber coupler provided by the application adopts the following technical scheme:

the utility model provides an optical fiber coupler, includes mount pad, input seat subassembly, lens subassembly and output assembly, the installation passageway has been seted up to the mount pad, its characterized in that: the mounting seat is symmetrically provided with mounting holes at two opposite sides of the mounting channel, the mounting holes are positioned between the input seat assembly and the lens assembly, an input pipe is fixed in any one mounting hole of the mounting seat, an output pipe is fixed in the other mounting hole of the mounting seat, a plurality of branch pipes provided with external threads are fixed at the end parts of the input pipe outside the mounting seat and the output pipe outside the mounting seat, the end parts of the branch pipes far away from the mounting seat are provided with conveying mechanisms, the conveying mechanisms are used for injecting or extracting absolute alcohol and air into or out of the mounting channel, the end parts of the branch pipes far away from the mounting seat are provided with sealing parts for sealing the branch pipes, and the mounting seat is provided with a guiding mechanism for guiding the absolute alcohol and the hot air to flow to the lens assembly.

By adopting the technical scheme, in the working process of the optical fiber coupler, the end part of any branch pipe connected to the output pipe is connected with the conveying mechanism, any branch pipe connected to the input pipe is connected with the conveying mechanism, other branch pipes are sealed by the sealing element, hot air in the installation channel is pumped out by the output pipe and the branch pipes through the conveying mechanism, and purified cold air is injected into the installation channel through the branch pipes and the input pipe through the conveying mechanism, so that the temperature of the end part of the optical fiber in the optical fiber coupler can be reduced, and the carbonization of the end part of the optical fiber is reduced. When the optical fiber coupler stops working, firstly, the end part of any branch pipe connected with the output pipe is connected with a conveying mechanism, any branch pipe connected with the input pipe is connected with the conveying mechanism, meanwhile, other branch pipes are sealed through a sealing piece, then, the conveying mechanism is used for injecting anhydrous alcohol into the installation channel through the input pipe and the branch pipes, meanwhile, the guide mechanism is used for guiding the anhydrous alcohol to the lens assembly, sundries on the lens assembly are dissolved in the anhydrous alcohol, and then the conveying mechanism is used for extracting the anhydrous alcohol and the sundries in the installation channel through the output pipe and the branch pipes, so that the lens assembly and the inner wall of the installation channel can be cleaned; the end part of the other branch pipe connected with the output pipe is connected with the conveying mechanism, the other branch pipe connected with the input pipe is connected with the conveying mechanism, other branch pipes are sealed through a sealing piece, purified hot air is conveyed into the installation channel through the conveying mechanism, meanwhile, the hot air is guided to the lens assembly through the guiding mechanism, residual alcohol volatilizes, hot air is pumped out through the other group of conveying mechanism, and then the collection of the residual alcohol can be completed. Meanwhile, the branch pipes are respectively used for conveying anhydrous alcohol, hot air and cold air, so that the mutual influence of different media can be avoided, and the purification effect of the lens assembly and the installation channel can be improved.

Optionally, the conveying mechanism includes a hollow cylinder, a rubber plug sliding in the cylinder and a driving component for driving the rubber plug to slide, and a connector detachably connected with the branch pipe is fixed at the end of the cylinder.

By adopting the technical scheme, when the joint is connected with the branch pipe, the driving assembly drives the rubber plug to slide in the cylinder, the pressure inside the cylinder is changed, and anhydrous alcohol, hot air or cold air enters or leaves the inside of the cylinder through the joint, so that the anhydrous alcohol, the hot air or the cold air is injected or pumped out from the installation channel.

Optionally, the driving assembly includes a driving nut rotatably connected to the cylinder and a driving screw spirally matched with the driving nut, the cylinder is far away from the end portion of the joint, a sliding hole matched with the driving screw in a sliding manner is formed in the end portion of the joint, the driving screw is located in the cylinder, the end portion of the cylinder is fixedly connected with the rubber plug, and the cylinder is provided with a limiting member for limiting the rotation of the driving screw.

Through adopting above-mentioned technical scheme, rotate through ordering about drive nut to through spiral cooperation and locating part restriction drive screw's between drive nut and the drive screw rotation, make drive screw slide along the extending direction in hole that slides, and then drive the plug and slide in the drum, order to this realization order about the effect that the plug slided, and drive nut and drive screw can adjust the sliding position of plug accurately.

Optionally, the limiting part includes a limiting block fixed on the inner wall of the sliding hole, the driving screw is provided with a limiting groove matched with the limiting block in a sliding manner, and the length direction of the limiting groove is parallel to the extending direction of the sliding hole.

Through adopting above-mentioned technical scheme, the stopper only can slide along the length direction of spacing groove for the drive screw can't rotate and only can slide along the length direction in hole that slides, is favorable to the plug to slide steadily in the drum.

Optionally, the branch pipe with connect the grafting adaptation, the inner wall of branch pipe encircle be fixed with connect the solid fixed ring of butt adaptation, connect to be provided with and be used for supporting tightly solid fixed ring's butt subassembly.

By adopting the technical scheme, when the conveying mechanism and the branch pipe are required to be connected, the joint is firstly inserted into the branch pipe until the end part of the joint is abutted against the fixing ring, and then the joint is abutted against the fixing ring through the abutting component, so that the connection between the conveying mechanism and the branch pipe can be completed.

Optionally, the butt subassembly is located including the cover the thread bush of joint, encircle to be fixed in the first butt ring and the fixed cover of thread bush are located the second butt ring of joint, the external screw thread of branch pipe with thread bush screw thread adaptation, one side of second butt ring with first butt ring butt adaptation, opposite side with branch pipe butt adaptation.

By adopting the technical scheme, when the conveying mechanism and the branch pipe need to be connected, the joint is inserted into the branch pipe until the end part of the joint is abutted against the fixing ring, and then the thread sleeve is connected with the outer peripheral wall of the branch pipe in a threaded manner until the first abutting ring is abutted against the second abutting ring, and the second abutting ring is abutted against the end part of the branch pipe, so that the end part of the joint is abutted against the fixing ring, the connection between the conveying mechanism and the branch pipe can be completed, and the leakage of anhydrous alcohol, hot air and cold air can be reduced; when needs split conveying mechanism and branch pipe, the periphery wall screw thread that is prior to the branch pipe is unscrewed the thread bush, can be by the interior joint of extracting of branch pipe, and split easy operation between conveying mechanism and the branch pipe is convenient for cool down and wash the optical fiber coupler.

Optionally, the sealing element includes a sealing cap, and the sealing cap is provided with an internal thread adapted to the external thread of the branch pipe.

Through adopting above-mentioned technical scheme, through the tip with sealed cap threaded connection in branch pipe, can accomplish the closure of branch pipe tip, again through unscrewing sealed cap by the tip of branch pipe, can accomplish opening of branch pipe tip, and the opening or the closing easy operation of branch pipe tip.

Optionally, the guide mechanism includes drainage plate, axis of rotation and fine setting subassembly, the both ends of axis of rotation all rotate connect in the mount pad is kept away from the tip of input tube, the lateral wall of drainage plate with the axis of rotation is fixed, the fine setting subassembly is used for adjusting the turned angle of axis of rotation.

Through adopting above-mentioned technical scheme, order about the axis of rotation through the fine setting subassembly earlier and slowly rotate to adjust the contained angle between drainage plate and the installation passageway, anhydrous alcohol and hot-air bump the back with the drainage plate, and anhydrous alcohol and hot-air's direction of delivery changes and moves towards the lens subassembly, makes lens subassembly and anhydrous alcohol and hot-air fully contact, is favorable to promoting the cleaning performance to the lens subassembly, and is favorable to promoting the drying effect of lens subassembly.

Optionally, the fine setting subassembly include the fine setting gear and slide in the latch segment of mount pad lateral wall, the fixed cover of fine setting gear is located the axis of rotation salient in the part of mount pad, the latch segment with the gear groove joint adaptation of fine setting gear.

Through adopting above-mentioned technical scheme, revolute the axis rotation of axis of rotation through ordering about the fine setting gear, and then drive the drainage plate and rotate, be in the best position until the drainage plate, the rethread orders about the latch segment and slides in the mount pad, slides to the gear inslot until the latch segment, can restrict the rotation of drainage plate for the direction of delivery of anhydrous alcohol and hot-air is guided steadily to the drainage plate.

Optionally, the center of the side wall of the drainage plate is provided with a spherical arc-shaped groove, and when absolute alcohol and air contact the inner wall of the spherical arc-shaped groove, the alcohol and the air are refracted onto the lens assembly.

Through adopting above-mentioned technical scheme, when anhydrous alcohol and hot-air contact the drainage plate, the inner wall of ball arc recess makes anhydrous alcohol and hot-air reflect to the lens subassembly more evenly on, further promotes cleaning performance and the drying effect to the lens subassembly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. hot air in the installation channel is firstly pumped out through the conveying mechanism, and purified cold air is injected into the installation channel, so that the end part of the optical fiber is cooled. The lens component is cleaned and dried by sequentially injecting anhydrous alcohol and purified hot air into the installation channel through the conveying mechanism, so that the effect of reducing blockage of the light energy transmission channel is realized;

2. the driving nut is driven to rotate, the driving screw and the rubber plug are driven to slide in the cylinder, so that the anhydrous alcohol and the air are pumped into and pushed out of the cylinder through the joint, and then the anhydrous alcohol and the air are injected into or pumped out of the mounting channel;

3. through ordering about the fine setting gear rotation, and then drive axis of rotation and drainage plate synchronous rotation, when the drainage plate is located the optimum position, order about the latch segment and slide and make the latch segment chucking in the gear groove of fine setting gear to guide alcohol and air to the lens subassembly through ball arc recess, be favorable to promoting the cleaning performance.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

FIG. 4 is an enlarged schematic view of section C of FIG. 1;

FIG. 5 is a partial schematic view of a guide mechanism, spring and guide rod according to an embodiment of the present disclosure;

FIG. 6 is a schematic cross-sectional view taken along line D-D of FIG. 1;

FIG. 7 is an enlarged schematic view of section E of FIG. 6;

fig. 8 is a schematic overall structure diagram of the second embodiment of the present application.

Reference numerals: 1. a mounting seat; 11. installing a channel; 12. mounting holes; 121. an input tube; 1211. a spray head; 122. an output pipe; 1221. drawing out the hopper; 13. a sliding groove; 14. a guide bar; 15. an angle scale; 2. an input seat assembly; 3. a lens assembly; 4. an output component; 5. a branch pipe; 51. a fixing ring; 6. a conveying mechanism; 61. a cylinder; 611. a joint; 612. a sliding hole; 613. a limiting block; 614. a length scale; 62. a rubber plug; 63. a drive assembly; 631. a drive nut; 632. a drive screw; 6321. a limiting groove; 64. a delivery hose; 65. a connecting pipe; 7. a guide mechanism; 71. a drainage plate; 711. a spherical arc-shaped groove; 72. a rotating shaft; 73. a fine adjustment component; 731. fine-tuning the gear; 7311. an angle pointer; 732. a locking block; 7321. a slider; 8. an abutment assembly; 81. a threaded sleeve; 82. a first abutment ring; 83. a second abutment ring; 9. a sealing cap; 10. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

Example one

The embodiment of the application discloses an optical fiber coupler. Referring to fig. 1 and 2, the optical fiber coupler includes a mounting base 1, an input base assembly 2, a lens assembly 3 and an output assembly 4, the mounting base 1 has an installation channel 11, two ends of the installation channel 11 are open, the input base assembly 2 is installed in the installation channel 11 through a bolt and used for installing an input optical fiber, the lens assembly 3 is installed in the installation channel 11 through a bolt and used for coupling light output by the input optical fiber, and the output assembly 4 is fixed on a side wall of the mounting base 1 far away from the input base assembly 2 and used for installing an output optical fiber.

Referring to fig. 1 and 2, the mounting base 1 has mounting holes 12 symmetrically formed on two opposite sides of the mounting channel 11, the mounting holes 12 are located between the input base assembly 2 and the lens assembly 3, an input tube 121 is fixed in any one of the mounting holes 12 of the mounting base 1, and an output tube 122 is fixed in the other mounting hole 12 of the mounting base. The mounting seat 1 is provided with a first mounting groove on the periphery of the end portion of the input pipe 121 close to the mounting channel 11, and the end portion of the input pipe 121 close to the mounting channel 11 is welded with a nozzle 1211 positioned in the first mounting groove, so that anhydrous alcohol and air uniformly enter the mounting channel 11. The mounting seat 1 is provided with a second mounting groove on the periphery of the end portion of the output pipe 122 close to the mounting passage 11, and the end portion of the output pipe 122 close to the mounting passage 11 is welded with a pumping hopper 1221 positioned in the second mounting groove, so that anhydrous alcohol and air are pumped out of the mounting passage 11 completely.

And the end part of the input pipe 121 outside the mounting seat 1 and the end part of the output pipe 122 outside the mounting seat 1 are both fixed with a plurality of branch pipes 5 provided with external threads, and the branch pipes 5 are wound with raw rubber belts at the external threads, and the plurality of branch pipes 5 are respectively used for conveying anhydrous alcohol, hot air and cold air. The end of the branch pipe 5 far from the mounting base 1 is provided with a conveying mechanism 6 (refer to fig. 3), the conveying mechanism 6 is used for injecting or extracting absolute alcohol and air into the mounting channel 11, the end of the branch pipe 5 far from the mounting base 1 is provided with a sealing piece for sealing the branch pipe 5, and the mounting base 1 is provided with a guiding mechanism 7 for guiding the absolute alcohol and the hot air to flow to the lens assembly 3. Hot air in the installation channel 11 is extracted through the conveying mechanisms 6 at the two sides of the installation seat 1, and cold air is injected into the installation channel 11, so that the end part of the optical fiber can be cooled; and the lens component 3 can be cleaned by injecting anhydrous alcohol into the installation channel 11 and pumping out the anhydrous alcohol through the conveying mechanisms 6 on the two sides of the installation seat 1, and then hot air is injected into the installation channel 11 and pumped out through the conveying mechanisms 6, so that the residual anhydrous alcohol can be evaporated.

Referring to fig. 3 and 4, the conveying mechanism 6 includes a hollow cylinder 61, a rubber plug 62 sliding inside the cylinder 61, and a driving assembly 63 for driving the rubber plug 62 to slide, the cylinder 61 is made of a transparent material, a length scale 614 is disposed on an outer side wall of the cylinder 61, a connector 611 detachably connected with the branch pipe 5 is fixed at an end of the cylinder 61, and the connector 611 is in a shape of a circular ring. The rubber plug 62 slides along the length direction of the cylinder 61 and is tightly attached to the inner side wall of the cylinder 61.

And the drive assembly 63 includes a drive nut 631 rotatably coupled to the barrel 61 and a drive screw 632 threadedly engaged with the drive nut 631. The drive nut 631 rotates about its central axis and the drive nut 631 abuts the end wall of the cylinder 61 remote from the fitting 611. The end of the cylinder 61 far away from the joint 611 is provided with a sliding hole 612 matched with the driving screw 632 in a sliding manner, the extending direction of the sliding hole 612 is parallel to the length direction of the cylinder 61, and the driving screw 632 slides along the extending direction of the sliding hole 612. The end of the driving screw 632 located inside the cylinder 61 is fixedly connected to the rubber plug 62, and the cylinder 61 is provided with a limiting member for limiting the rotation of the driving screw 632. By driving the driving nut 631 to rotate, and by the screw fit between the driving nut 631 and the driving screw 632 and the limiting member limiting the rotation of the driving screw 632, the driving screw 632 slides along the extending direction of the sliding hole 612, and further the rubber plug 62 slides on the cylinder 61, the pressure inside the cylinder 61 is changed, so that the absolute alcohol, the hot air or the cold air enters or leaves the inside of the cylinder 61 through the joint 611.

Referring to fig. 3 and 4, the limiting member includes a limiting block 613 fixed on the inner wall of the sliding hole 612, the driving screw 632 is provided with a limiting groove 6321 adapted to slide with the limiting block 613, the length direction of the limiting groove 6321 is parallel to the extending direction of the sliding hole 612, and two ends of the limiting groove 6321 along the length direction are both closed. The limiting block 613 can only slide along the length direction of the limiting groove 6321, so that the driving screw 632 cannot rotate and can only slide along the length direction of the sliding hole 612, which is beneficial to stably sliding the rubber plug 62 in the cylinder 61.

Referring to fig. 2 and 3, in order to detachably connect the joint 611 and the branch pipe 5, the branch pipe 5 is inserted into the joint 611, a fixing ring 51 adapted to abut against the joint 611 is fixed around the inner wall of the branch pipe 5, and the inner and outer diameter dimensions of the fixing ring 51 are the same as those of the joint 611. The joint 611 is provided with an abutting assembly 8 for abutting against the fixing ring 51, the abutting assembly 8 comprises a threaded sleeve 81 sleeved on the joint 611, a first abutting ring 82 fixed on the threaded sleeve 81 in a surrounding manner, and a second abutting ring 83 fixedly sleeved on the joint 611, and the external thread of the branch pipe 5 is in threaded fit with the threaded sleeve 81. One side and first butt ring 82 butt adaptation, the opposite side and branch pipe 5 butt adaptation of second butt ring 83, the inside and outside footpath size of second butt ring 83 and the inside and outside footpath size of branch pipe 5, the inside and outside footpath size of first butt ring 82 is unanimous with second butt ring 83 size. The connector 611 is inserted into the branch pipe 5, and then the thread sleeve 81 is connected to the outer peripheral wall of the branch pipe 5 in a threaded manner until the first abutting ring 82 abuts against the second abutting ring 83, and the second abutting ring 83 abuts against the end of the branch pipe 5, so that the end of the connector 611 abuts against the fixing ring 51, and the connection between the conveying mechanism 6 and the branch pipe 5 can be completed; the connection between the conveying mechanism 6 and the branch pipe 5 can be detached by screwing the threaded sleeve 81 out of the outer thread of the branch pipe 5.

Referring to fig. 2 and 3, the sealing element includes a sealing cap 9, and the sealing cap 9 is provided with an internal thread adapted to the external thread of the branch pipe 5. The sealing cap 9 is screwed on the end part of the branch pipe 5, so that the end part of the branch pipe 5 can be sealed, and the sealing cap 9 is screwed out from the end part of the branch pipe 5, so that the end part of the branch pipe 5 can be opened.

Referring to fig. 5 and 6, the guide mechanism 7 includes a drainage plate 71, a rotation shaft 72 and a fine adjustment assembly 73, both ends of the rotation shaft 72 are rotatably connected to the end of the mounting base 1 away from the input tube 121, the rotation shaft 72 is cylindrical and has an axial direction perpendicular to the length direction of the mounting hole 12, and the side wall of the drainage plate 71 is fixed to the outer circumferential wall of the rotation shaft 72, so that the drainage plate 71 and the rotation shaft 72 rotate around the central axis of the rotation shaft 72. The center of the side wall of the flow guide plate 71 is provided with a spherical arc groove 711, and when absolute alcohol and air contact the inner wall of the spherical arc groove 711, the alcohol and the air are refracted onto the lens assembly 3. The fine adjustment assembly 73 is used for adjusting the rotation angle of the rotation shaft 72.

The fine adjustment assembly 73 includes a fine adjustment gear 731 and a locking block 732 sliding on the outer side wall of the mounting base 1, the fine adjustment gear 731 is fixedly sleeved on the portion of the rotating shaft 72 protruding from the mounting base 1, and the fine adjustment gear 731 is coaxially welded with the mounting base 1. The locking block 732 is adapted to engage with the gear groove of the fine adjustment gear 731. The fine adjustment gear 731 is driven to rotate around the axis of the rotating shaft 72, so that the drainage plate 71 is driven to rotate until the drainage plate 71 is located at the optimal position, the locking block 732 is driven to slide on the mounting seat 1 until the locking block 732 slides into the gear groove, and the rotation of the drainage plate 71 can be limited, so that the drainage plate 71 can stably guide the conveying direction of the anhydrous alcohol and the hot air. And the side wall of the mounting seat 1 close to the locking block 732 is provided with an angle scale 15, and the side wall of the fine adjustment gear 731 far from the mounting seat 1 is provided with an angle pointer 7311, so that an operator can conveniently check the rotation angle of the rotation shaft 72.

Referring to fig. 5 and 7, in order to make the locking block 732 tightly abut against the gear groove of the fine adjustment gear 731, a sliding groove 13 is formed on the side wall of the mounting seat 1 close to the locking block 732, the length direction of the sliding groove 13 is perpendicular to the axial direction of the rotating shaft 72, and two ends of the sliding groove 13 along the length direction are closed. The bottom wall of the locking block 732 is welded with a sliding block 7321 which is matched with the sliding groove 13 in a sliding manner, and the sliding block 7321 slides along the length direction of the sliding groove 13. The mounting base 1 is fixed with a guide rod 14 in the sliding groove 13, the slider 7321 is sleeved on the outer peripheral wall of the guide rod 14, and the length direction of the guide rod 14 is parallel to the length direction of the sliding groove 13, so that the slider 7321 can only slide along the length direction of the sliding groove 13. Meanwhile, the guide rod 14 is sleeved with a spring 10, one end of the spring 10 is connected to the side wall of the sliding block 7321 far away from the fine adjustment gear 731, and the other end is connected to the side wall of the sliding groove 13 far away from the fine adjustment gear 731. The spring 10 applies an elastic force to the slider 7321 toward the fine adjustment gear 731, so that the locking block 732 abuts against the gear groove of the fine adjustment gear 731.

The implementation principle of the optical fiber coupler in the embodiment of the application is as follows: during the operation of the optical fiber coupler, the connector 611 of the cylinder 61 is inserted into the end of any branch pipe 5 connected to the output pipe 122, until the end of the connector 611 abuts against the fixing ring 51, and then the thread sleeve 81 is connected to the outer peripheral wall of the branch pipe 5 in a thread manner, until the first abutting ring 82 abuts against the second abutting ring 83, and the second abutting ring 83 abuts against the end of the branch pipe 5, so that the end of the connector 611 abuts against the fixing ring 51, thereby completing the connection between the conveying mechanism 6 and the branch pipe 5, and any branch pipe 5 connected to the input pipe 121 is connected to the conveying mechanism 6, and simultaneously the sealing cap 9 is assembled to the external thread of the other branch pipe 5 in a thread manner, and then the driving nut 631 is driven to rotate, and the driving nut 631 and the driving screw are in screw fit with the driving screw, and the limiting block 613 limits the rotation of the driving screw 632, so that the driving screw 632 slides along the extending direction of the sliding hole 612, thereby driving the rubber plug 62 to slide on the cylinder 61, so that the hot air in the installation channel 11 is extracted from the output pipe 122 and the end of the input pipe 5 and the optical fiber coupler 121 is injected, thereby reducing the temperature of the optical fiber coupler 11;

when the optical fiber coupler stops working, firstly, the end part of any branch pipe 5 connected to the output pipe 122 is connected with the conveying mechanism 6, any branch pipe 5 connected to the input pipe 121 is connected with the conveying mechanism 6, meanwhile, the sealing cap 9 is assembled at the external thread of other branch pipes 5 in a threaded manner, then, the conveying mechanism 6 is used for injecting the anhydrous alcohol into the installation channel 11 together with the input pipe 121 and the branch pipe 5, meanwhile, the fine adjustment gear 731 is driven to rotate around the axis of the rotating shaft 72, the drainage plate 71 is driven to rotate until the drainage plate 71 is in the optimal position, then, the locking block 732 is driven to slide on the installation seat 1 until the locking block 732 slides on the gear groove, so that the drainage plate 71 and the spherical arc groove 711 guide the anhydrous alcohol to the lens assembly 3, and impurities on the lens assembly 3 are dissolved in the anhydrous alcohol, and the anhydrous alcohol in the installation channel 11 and the impurities are extracted from the output pipe 122 and the branch pipes 5 through the conveying mechanism 6, and then, and the inner walls of the lens assembly 3 and the installation channel 11 can be cleaned;

the end part of the other branch pipe 5 connected to the output pipe 122 is connected with the conveying mechanism 6, the other branch pipe 5 connected to the input pipe 121 is connected with the conveying mechanism 6, meanwhile, the sealing cap 9 is assembled at the external thread of the other branch pipe 5 in a threaded manner, purified hot air is conveyed into the installation channel 11 through the conveying mechanism 6, meanwhile, the hot air is guided to the lens assembly 3 by the flow guide plate 71 and the spherical arc-shaped groove 711 of the flow guide plate, so that residual alcohol is volatilized, then the hot air is pumped out through the other group of conveying mechanisms 6, and then the collection of the residual alcohol can be completed, so that the effect that the channel with mature light energy is not easy to block is achieved.

Example two

Referring to fig. 8, the difference between the second embodiment and the first embodiment is that the conveying mechanism 6 includes a conveying hose 64 and a connecting pipe 65 fixed to the conveying hose 64, and an internal thread adapted to the external thread of the branch pipe 5 is formed on the inner peripheral wall of the connecting pipe 65. The end of the delivery hose 64 far from the connection pipe 65 can be connected to other devices for continuously delivering anhydrous alcohol, hot air or cold air, which is beneficial to expanding the application range of the optical fiber coupler and can continuously cool or clean the inside of the optical fiber coupler.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an optical fiber coupler, includes mount pad (1), input seat subassembly (2), lens subassembly (3) and output assembly (4), installation passageway (11), its characterized in that have been seted up to mount pad (1): the mounting seat (1) is symmetrically provided with mounting holes (12) at two opposite sides of the mounting channel (11), the mounting holes (12) are located between the input seat assembly (2) and the lens assembly (3), an input pipe (121) is fixed in any one of the mounting holes (12) of the mounting seat (1), an output pipe (122) is fixed in the other mounting hole (12) of the mounting seat (1), the end part of the input pipe (121) located outside the mounting seat (1) and the end part of the output pipe (122) located outside the mounting seat (1) are both fixed with a plurality of branch pipes (5) provided with external threads, the end part of each branch pipe (5) far away from the mounting seat (1) is provided with a conveying mechanism (6), the conveying mechanism (6) is used for injecting or extracting absolute alcohol and air into the mounting channel (11), the end part of each branch pipe (5) far away from the mounting seat (1) is provided with a sealing element for sealing the branch pipe (5), and the mounting seat (1) is provided with a guiding mechanism (7) for guiding the absolute alcohol and the hot air to flow to the lens assembly (3); the output assembly (4) is fixed on the side wall of the mounting seat (1) far away from the input seat assembly (2);

guide mechanism (7) include drainage plate (71), axis of rotation (72) and fine setting subassembly (73), the both ends of axis of rotation (72) all rotate connect in mount pad (1) is kept away from the tip of input tube (121), the lateral wall of drainage plate (71) with axis of rotation (72) are fixed, fine setting subassembly (73) are used for adjusting the turned angle of axis of rotation (72).

2. A fiber optic coupler according to claim 1, wherein: conveying mechanism (6) including the drum (61) of cavity setting, slide in plug (62) inside drum (61) and be used for driving drive assembly (63) that plug (62) slided, the tip of drum (61) be fixed with branch pipe (5) detachable connections's joint (611).

3. An optical fiber coupler according to claim 2, wherein: drive assembly (63) including rotate connect in drive nut (631) of drum (61) and with drive nut (631) screw fit's drive screw (632), drum (61) are kept away from the tip of joint (611) seted up with the hole (612) that slides of drive screw (632) adaptation, just drive screw (632) are located the inside tip of drum (61) with plug (62) fixed connection, drum (61) are provided with and are used for the restriction drive screw (632) pivoted locating part.

4. A fiber optic coupler according to claim 3, wherein: the limiting piece comprises a limiting piece (613) fixed on the inner wall of the sliding hole (612), a limiting groove (6321) matched with the limiting piece (613) in a sliding mode is formed in the driving screw (632), and the length direction of the limiting groove (6321) is parallel to the extending direction of the sliding hole (612).

5. A fiber optic coupler according to claim 2, wherein: the branch pipe (5) and the joint (611) are in plug-in fit, a fixing ring (51) in butt fit with the joint (611) is fixed on the inner wall of the branch pipe (5) in a surrounding mode, and the joint (611) is provided with a butt joint component (8) used for tightly abutting against the fixing ring (51).

6. An optical fiber coupler according to claim 5, wherein: butt subassembly (8) are located including the cover screw sleeve (81), the encircleing of joint (611) are fixed in first butt ring (82) and the fixed cover of screw sleeve (81) are located second butt ring (83) of joint (611), the external screw thread of branch pipe (5) with screw sleeve (81) screw thread adaptation, one side of second butt ring (83) with first butt ring (82) butt adaptation, opposite side with branch pipe (5) butt adaptation.

7. An optical fiber coupler according to claim 1, wherein: the sealing element comprises a sealing cap (9), and an internal thread matched with the external thread of the branch pipe (5) is formed in the sealing cap (9).

8. A fiber optic coupler according to claim 1, wherein: the fine adjustment assembly (73) comprises a fine adjustment gear (731) and a locking block (732) which slides on the outer side wall of the mounting seat (1), the fine adjustment gear (731) is fixedly sleeved on the part, protruding out of the mounting seat (1), of the rotating shaft (72), and the locking block (732) is in clamping fit with a gear groove of the fine adjustment gear (731).

9. A fiber optic coupler according to claim 1, wherein: the mounting seat (1) is provided with a first mounting groove on the peripheral side of the end part of the input pipe (121) close to the mounting channel (11), and the end part of the input pipe (121) close to the mounting channel (11) is welded with a spray head (1211) positioned in the first mounting groove; a second mounting groove is formed in the mounting seat (1) on the peripheral side of the end part, close to the mounting channel (11), of the output pipe (122), and a drawing hopper (1221) positioned in the second mounting groove is welded at the end part, close to the mounting channel (11), of the output pipe (122); the center of the side wall of the flow guide plate (71) is provided with a spherical arc groove (711), and when absolute alcohol and air contact the inner wall of the spherical arc groove (711), the alcohol and the air are guided and baffled to be sprayed onto the lens component (3).