CN113341504B - Adverse environment resistant multi-path optical fiber rotary connector - Google Patents

Adverse environment resistant multi-path optical fiber rotary connector Download PDF

Info

Publication number
CN113341504B
CN113341504B CN202110556480.XA CN202110556480A CN113341504B CN 113341504 B CN113341504 B CN 113341504B CN 202110556480 A CN202110556480 A CN 202110556480A CN 113341504 B CN113341504 B CN 113341504B
Authority
CN
China
Prior art keywords
optical fiber
end cover
prism
rotary connector
fiber collimator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110556480.XA
Other languages
Chinese (zh)
Other versions
CN113341504A (en
Inventor
胡长明
徐�明
魏忠良
陈涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CETC 14 Research Institute
Original Assignee
CETC 14 Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CETC 14 Research Institute filed Critical CETC 14 Research Institute
Priority to CN202110556480.XA priority Critical patent/CN113341504B/en
Publication of CN113341504A publication Critical patent/CN113341504A/en
Application granted granted Critical
Publication of CN113341504B publication Critical patent/CN113341504B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/3604Rotary joints allowing relative rotational movement between opposing fibre or fibre bundle ends
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/34Optical coupling means utilising prism or grating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3833Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The invention discloses a multi-path optical fiber rotary connector capable of resisting severe environment, which relates to the technical field of optical signal rotation transmission, and comprises a transmission component, a dove prism and a prism sleeve, wherein the direct clearance between the dove prism and the prism sleeve is controlled within a reasonable range, glue is dispensed and fixed in the prism sleeve, the prism sleeve is tightly fixed by a set screw and then sealed by glue, the vibration impact resistance of the multi-path optical fiber rotary connector is improved, meanwhile, optical fiber collimators are arranged at two ends of the transmission component through optical fiber collimator fixing end covers, each optical fiber collimator corresponds to one optical fiber collimator, a split optical fiber collimator fixing end cover structure is adopted, the fixing end cover of each optical fiber collimator can be independently adjusted, the filling clearance of the sealing glue is favorably reduced, the index change caused by the deformation of the glue when the temperature is changed is controlled, and the high and low temperature performance of the multi-path optical fiber rotary connector is improved, and the design of the charging connector can lead in applicable gas to the inside of the multi-path optical fiber rotary connector through external equipment.

Description

Adverse environment resistant multi-path optical fiber rotary connector
Technical Field
The invention relates to the technical field of optical signal rotation transmission, in particular to a multi-path optical fiber rotary connector capable of resisting severe environment.
Background
The multi-path optical fiber rotary connector can realize 360-degree rotary transmission of optical signals from a fixed part to a rotating part, a method for realizing the multi-path optical fiber rotary connector is disclosed in patent 02279871.4 and ZL201020253642.X, but how to ensure the environmental adaptation of the multi-path optical fiber rotary connector is not described, and the use requirements of certain severe environments cannot be met, and a method for sticking a heating plate is provided in patent ZL201520330179.7, but the problem of self environmental adaptation of the multi-path optical fiber rotary connector is not fundamentally solved. Along with the rapid development of the optical fiber communication technology, the application of the multi-path optical fiber rotary connector is more and more extensive, the requirement on the environmental adaptability of the used region is more and more strict, the installation places of certain equipment not only require high and low temperature resistance, but also require high humidity resistance, and certain installation platforms require the requirement on meeting the strong vibration impact condition, so that the multi-path optical fiber rotary connector resisting severe environment is urgently needed, the use requirements of different environments are met, and the universality of products is improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the multi-path optical fiber rotary connector capable of resisting the severe environment, which meets the use requirements of different environments, improves the universality of products, enlarges the application range of the products, can be directly installed on equipment for use in application occasions with special environment requirements, and does not need to consider adding auxiliary equipment for carrying out environmental control.
In order to achieve the purpose, the invention provides the following technical scheme: including drive assembly, dove prism and prism sleeve, eight summits department of dove prism sets up to some glue departments, after the operation is glued to some glue departments, glue the dove prism and adorn in the telescopic inside of prism, the prism sleeve passes through fastening bolt and installs the inside at drive assembly simultaneously, and prism sleeve and drive assembly encapsulating are consolidated together, thereby accomplish the installation to the dove prism, two pairs of fiber collimator are installed respectively to drive assembly's both ends simultaneously, two sets of fiber collimator are connected with rotation end output optic fibre and stiff end output optic fibre respectively, wherein rotation end output optic fibre passes through rotation end outlet end lid and installs the left side tip at drive assembly, and stiff end output optic fibre passes through the stiff end outlet end lid and installs the right side tip at drive assembly.
As a further scheme of the invention: the transmission assembly comprises an inner shaft and a retainer ring, wherein the inner diameter of the inner shaft is larger than the outer diameter of the prism sleeve, the prism sleeve is inserted into the inner shaft, a glue filling groove is reserved between the prism sleeve and the inner shaft and used for injecting a sealant, the prism sleeve is sealed in the inner shaft, the retainer ring is arranged at the joint of the prism sleeve and the inner shaft, and a glue injection hole is formed in the side wall of the inner shaft, close to the end part of the prism sleeve.
As a further scheme of the invention: the optical fiber collimator passes through optical fiber collimator fixed end cover and installs at transmission assembly's both ends, wherein every way optical fiber collimator corresponds an optical fiber collimator, optical fiber collimator fixed end cover sets to fan-shapedly simultaneously, and set up U type groove in optical fiber collimator fixed end cover's the fan-shaped lateral wall, wherein seted up the arc draw-in groove on optical fiber collimator fixed end cover's the arc inner wall, the diameter of arc draw-in groove is the same with optical fiber collimator's diameter, optical fiber collimator installs in the arc draw-in groove, optical fiber collimator fixed end cover passes through U type groove and screw installation simultaneously at transmission assembly's tip.
As a further scheme of the invention: the rotary outgoing line end cover is in sealing installation through the rotary end static sealing ring, the fixed end outgoing line end cover is in sealing installation through the fixed end static sealing ring, the rotary end static sealing ring and the fixed end static sealing ring are installed at two ends of the transmission assembly through the movable sealing rings, and the rotary end outgoing line end cover and the rotary end output optical fiber as well as the fixed end outgoing line end cover and the fixed end output optical fiber are sealed through glue filling.
As a further scheme of the invention: two inflation nozzles are symmetrically installed in the side wall of the fixed end wire outlet end cover, and the inflation nozzles are installed in the side wall of the fixed end wire outlet end cover in a sealing mode.
As a further scheme of the invention: the inner shaft is close to the outer wall of the prism sleeve and is provided with an annular groove, three groups of glue storage grooves are formed in the annular groove and are located among the three groups of through holes, the through holes are used for installing fastening bolts, compression and fixation of the prism sleeve are completed, the left side wall and the right side wall of the bottom of each glue storage groove are connected with bent holes, the other ends of the bent holes are communicated with the glue filling grooves, and meanwhile the outer wall of the annular groove is buckled and provided with a glue pressing mechanism.
As a further scheme of the invention: the moulding press constructs including semicircle ring and briquetting, and wherein two sets of semicircle rings are installed to the lock on the outer wall of ring channel, and the size of semicircle ring is the same with the size of ring channel, accomplishes sheltering from sealedly to the ring channel through the semicircle ring to fixed mounting has the briquetting on the inner wall of ring channel, and the size of briquetting is the same with the size of depositing gluey groove.
As a still further scheme of the invention: the outer wall of the pressing block is provided with fastening screw holes, the outer wall of the bottom of the pressing block is provided with a plurality of groups of grooves, and the grooves are communicated with the bottom wall of the pressing block.
Compared with the prior art, the invention has the beneficial effects that: aiming at the realization principle of the multi-path optical fiber rotary connector, the invention designs the multi-path optical fiber collimator capable of resisting severe environment, a split type optical fiber collimator fixed end cover structure is adopted, and the fixed end cover of each path of optical fiber collimator can be independently adjusted, so that the filling gap of sealing glue can be favorably reduced, the index change caused by the deformation of the glue during the high-temperature and low-temperature change can be controlled, and the high-temperature and low-temperature performance of the multi-path optical fiber rotary connector can be improved; the direct clearance between the dove prism and the prism sleeve is controlled in a reasonable range, the glue is dispensed and fixed in the prism sleeve, the prism sleeve is sealed after being fastened by a set screw, and the vibration impact resistance of the multi-path optical fiber rotary connector is improved; the multi-path optical fiber rotary connector considers the airtight design, prevents external damp gas from entering and can improve the humidity resistance; the design of the inflating nozzle can lead dry air or other gases into the multi-path optical fiber rotary connector through external equipment to control the internal environment, and can control certain ultra-severe environments in a targeted manner.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view illustrating an installation of a dove prism according to a first embodiment of the invention.
Fig. 3 is a schematic diagram of a dove prism according to a first embodiment of the invention.
Fig. 4 is a schematic view illustrating the installation of the prism sleeve according to the first embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of an inner shaft according to a first embodiment of the invention.
FIG. 6 is a side view of a fiber collimator according to a first embodiment of the present invention.
Fig. 7 is a schematic view of a fixing end cap of an optical fiber collimator according to a first embodiment of the invention.
Fig. 8 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 9 is a schematic cross-sectional view of the inner shaft according to the third embodiment of the present invention.
Fig. 10 is a side view of a semicircular ring of a third embodiment of the present invention.
Fig. 11 is a partial schematic view of the inner shaft according to the third embodiment of the invention.
FIG. 12 is a schematic view of a briquette according to a third embodiment of the present invention.
As shown in the figure: 1. the device comprises a rotary end outgoing line end cover, 2, a rotary end static sealing ring, 3, a dynamic sealing ring, 4, a fastening screw, 5, a dove prism, 51 and a glue dispensing position; 6. the optical fiber collimator comprises a prism sleeve, 7, a fixed end static sealing ring, 8, a fixed end outgoing line end cover, 9, an optical fiber collimator fixed end cover, 91, an arc-shaped clamping groove, 92, a U-shaped groove, 10, an optical fiber collimator, 11, a rotating end output optical fiber, 12, a fixed end output optical fiber, 13, an inflating nozzle, 14, an inner shaft, 15, a retaining ring, 16, a glue filling groove, 17, a glue injection hole, 18, an annular groove, 19, a through hole, 20, a glue storage groove, 21, a bent hole, 22, a semicircular ring, 23, a pressing block, 24, a side lug, 25, a connecting bolt, 26, a fastening screw hole, 27, a groove, 28 and a screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 7, in the embodiment of the present invention, a multi-channel optical fiber rotary connector resistant to a severe environment includes a transmission assembly, a dove prism 5 and a prism sleeve 6, eight vertices of the dove prism 5 are provided as glue dispensing positions 51, after the glue dispensing operation is performed on the glue dispensing positions 51, the dove prism 5 is glued inside the prism sleeve 6, the prism sleeve 6 is mounted inside the transmission assembly through fastening bolts 4, and the prism sleeve 6 and the transmission assembly are glued and reinforced together, so as to complete the mounting of the dove prism 5, improve the vibration and impact resistance of the multi-channel optical fiber rotary connector, and two pairs of optical fiber collimators 10 are respectively mounted at two ends of the transmission assembly, two sets of optical fiber collimators 10 are respectively connected with a rotary end output optical fiber 11 and a fixed end output optical fiber 12, wherein the rotary end output optical fiber 11 is mounted at the left end of the transmission assembly through a rotary end outlet end cap 1, and the fixed end output optical fiber 12 is installed at the right end of the transmission assembly through the fixed end outlet end cover 8.
The transmission assembly comprises an inner shaft 14 and a retainer ring 15, wherein the inner diameter of the inner shaft 14 is larger than the outer diameter of the prism sleeve 6, the prism sleeve 6 is inserted into the inner shaft 14, a glue filling groove 16 is reserved between the prism sleeve 6 and the inner shaft 14 and used for injecting a sealing glue to seal the prism sleeve 6 in the inner shaft 14, the retainer ring 15 is arranged at the joint of the prism sleeve 6 and the inner shaft 14, and a glue injection hole 17 is formed in the side wall of the inner shaft 14 close to the end part of the prism sleeve 6; in the installation process, firstly, glue is dispensed at eight vertexes of the dove prism 5 to be bonded in the prism sleeve 6, the dove prism is prevented from being easily cracked due to deformation caused by the fact that the dove prism 5 and the prism sleeve 6 are matched too tightly in a high-temperature and low-temperature environment due to the adoption of the glue dispensing installation mode, then the prism sleeve 6 is inserted into the inner shaft 14 and locked through the three fastening screws 4, glue is filled into the glue filling groove 16 through the glue filling hole 17 for reinforcement after locking is completed, the dove prism 5 is installed, the glue filling installation mode is adopted, the problem that gaps generated in the installation process of the dove prism 5 are too large is greatly reduced, and the installation and adjustment difficulty is reduced.
Wherein, the optical fiber collimators 10 are installed at two ends of the transmission assembly through optical fiber collimator fixing end covers 9, wherein each optical fiber collimator 10 corresponds to one optical fiber collimator 10, a split type optical fiber collimator fixing end cover structure is adopted, the fixing end cover of each optical fiber collimator 10 can be independently adjusted, which is beneficial to reducing the filling gap of sealing glue, controlling the index change caused by the deformation of the glue when the temperature changes, improving the high and low temperature performance of the multi-path optical fiber rotary connector, meanwhile, the optical fiber collimator fixing end cover 9 is arranged in a fan shape, and a U-shaped groove 9 is arranged in the fan-shaped side wall of the optical fiber collimator fixing end cover 9, wherein an arc-shaped clamping groove 91 is arranged on the arc-shaped inner wall of the optical fiber collimator fixing end cover 9, the diameter of the arc-shaped clamping groove 91 is the same as that of the optical fiber collimator 10, the optical fiber collimator 10 is installed in the arc-shaped clamping groove 91, and the optical fiber collimator fixing end cover 9 is installed at the end of the transmission assembly through the U-shaped groove 92 and the screw 28, and the position of the optical fiber collimator fixing end cover 9 is adjusted by adjusting the position between the U-shaped groove 92 and the screw 28, thereby adjusting the glue dispensing gap between the optical fiber collimator 10 and the optical fiber collimator fixing end cover 9, compared with the traditional round fixing end cover, the optical fiber collimator fixing end cover 9 adopting the fan-shaped structure can carry out secondary adjustment according to the position of the optical fiber collimator, the gap between the optical fiber collimator and the optical fiber collimator fixing end cover can be reduced during design, the control is within 0.5mm, the glue filling amount is less, through test verification, the use requirement can be met through high and low temperature test verification, and after the existing round fixing end cover is fixed in one path of optical fiber collimator, the fixing positions of other paths of optical fiber collimators are determined, so as to avoid the interference between the optical fiber collimator and the fixing end cover during installation and adjustment, and to enlarge the gap during design, the design is generally 0.5 mm-1 mm, but when the multi-path optical fiber rotary connector realized after gap filling is subjected to high and low temperature tests, the insertion loss index of the multi-path optical fiber rotary connector is sharply reduced due to deformation of the glue.
Wherein, rotatory end cover 1 of being qualified for the next round of competitions carries out seal installation through rotatory end static sealing ring 2 to stiff end cover 8 of being qualified for the next round of competitions carries out seal installation through stiff end static sealing ring 7, and rotatory end static sealing ring 2 and stiff end static sealing ring 7 are all installed at drive assembly's both ends through dynamic seal circle 3 simultaneously, and rotatory end cover 1 of being qualified for the next round of competitions all seals through the encapsulating with rotatory end output optical fiber 11 and stiff end cover 8 and stiff end output optical fiber 12, effectively avoids outside moisture to get into, thereby improves moisture resistance.
Example two:
referring to fig. 1 to 8, the main structure of the present embodiment is the same as the first embodiment, except that: considering that the device needs to work in a harsh environment, the exchange between the device and the outside air is often required to be isolated, which greatly reduces the heat dissipation effect of the device, and sometimes the device is required to work in a certain special gas atmosphere, therefore, two inflating nozzles 13 are symmetrically arranged in the side wall of the fixed end outlet end cover 8, the inflating nozzles 13 are hermetically arranged in the side wall of the fixed end outlet end cover 8, double air nozzles are adopted, on one hand, one inflating nozzle can inflate, one inflating nozzle seals, filling a certain gas, such as dry air, into the multi-path optical fiber rotary connector, sealing the charging connector after ensuring a certain pressure, can reduce the risk of internal dewing, and on the other hand, one can be used as an air inlet nozzle and the other can be used as an air outlet nozzle, aerify through external equipment, make other inside circulations, realize internal environment control to improve multichannel optical fiber rotary connector's environmental suitability.
Example two:
referring to fig. 1 to 8, the main structure of the present embodiment is the same as the first embodiment, except that: in considering the 6 mucilage binding in-process of prism sleeve, it is comparatively troublesome to adopt traditional injecting glue mode, need constantly change injecting glue hole 17 and carry out the injecting glue operation to after the mucilage binding is accomplished, if operational environment temperature is higher, can lead to the problem of glue solution drippage, we are provided with the moulding press mechanism for this reason, adopt the mode of moulding on the one hand to carry out the injecting glue, it is more convenient to operate, on the other hand seals the hole of injecting glue and shelters from, avoids the glue solution to take place the problem of drippage.
The glue pressing mechanism comprises a semicircular ring 22 and a pressing block 23, wherein the annular groove 18 is formed in the outer wall, close to the prism sleeve 6, of the inner shaft 14, three glue storage grooves 20 are formed in the annular groove 18, the glue storage grooves 20 are located among the three through holes 19, the through holes 19 are used for installing fastening bolts 4 to finish pressing and fixing the prism sleeve 6, the left side wall and the right side wall of the bottom of the glue storage groove 20 are connected with bent holes 21, the other end of each bent hole 21 is communicated with the glue filling groove 16, two groups of semicircular rings 22 are installed on the outer wall of the annular groove 18 in a buckling mode, the size of each semicircular ring 22 is identical to that of the annular groove 18, shielding and sealing of the annular groove 18 are finished through the semicircular rings 22, the pressing block 23 is fixedly installed on the inner wall of the annular groove 18, and the size of the pressing block 23 is identical to that of the glue storage groove 20; in gluing the in-process, at first with the glue solution injection deposit gluey groove 20 in, then with two sets of semicircle ring 22 locks in the inside of ring channel 18, briquetting 23 compresses tightly in depositing gluey groove 20 this moment, will deposit the glue solution in gluey groove 20 and impress in the gluey groove 16 of packing into, and adopt the setting in curved hole 21, can effectively avoid the glue solution to take place the problem of backward flow, two sets of side ears 24 are installed to the symmetry on two sets of semicircle ring 22's the tip lateral wall simultaneously, two adjacent side ears 24 link together through fastening bolt 25, thereby link together two semicircle rings 22, the completion is sheltered from the sealed of injecting glue hole.
Preferably, the outer wall of the pressing block 23 is provided with a fastening screw hole 26 for fixedly mounting the inner shaft 14, meanwhile, the outer wall of the bottom of the pressing block 23 is provided with a plurality of groups of grooves 27, the grooves 27 are communicated with the bottom wall of the pressing block 23, and in the pressing process of the pressing block 23, a part of glue solution in the glue storage tank 20 can enter the grooves 27, so that the pressing block 23 is connected to the inner wall of the glue storage tank 20 in a gluing mode, the sealing performance of the glue injection hole is further guaranteed, and the air tightness of the device is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides an anti adverse circumstances's multichannel optical fiber rotary connector, includes drive assembly, dove prism (5) and prism sleeve (6), its characterized in that: eight vertexes of the dove prism (5) are provided with glue dispensing positions (51), after glue dispensing operation is carried out on the glue dispensing positions (51), the dove prism (5) is glued and installed in the prism sleeve (6), meanwhile, the prism sleeve (6) is arranged in the transmission component through a fastening bolt (4), and the prism sleeve (6) and the transmission component are reinforced together by glue filling, thereby completing the installation of the dove prism (5), simultaneously, two groups of optical fiber collimators (10) are respectively installed at the two ends of the transmission component, the two groups of optical fiber collimators (10) are respectively connected with a rotating end output optical fiber (11) and a fixed end output optical fiber (12), wherein the rotating end output optical fiber (11) is arranged at the left end part of the transmission component through the rotating end outgoing line end cover (1), and the fixed end output optical fiber (12) is arranged at the right side end part of the transmission component through the fixed end outgoing line end cover (8);
optical fiber collimator (10) are installed at the both ends of drive assembly through optical fiber collimator fixed end cover (9), wherein every optical fiber collimator (10) corresponds an optical fiber collimator fixed end cover (9), optical fiber collimator fixed end cover (9) set fan-shaped simultaneously, and U type groove (92) have been seted up in the fan-shaped lateral wall of optical fiber collimator fixed end cover (9), wherein arc draw-in groove (91) have been seted up on the arc inner wall of optical fiber collimator fixed end cover (9), the diameter of arc draw-in groove (91) is the same with the diameter of optical fiber collimator (10), optical fiber collimator (10) are installed in arc draw-in groove (91), optical fiber collimator fixed end cover (9) are installed at the tip of drive assembly through U type groove (92) and screw (28) simultaneously.
2. The rugged environment resistant multi-fiber rotary connector of claim 1, wherein: the transmission assembly comprises an inner shaft (14) and a retainer ring (15), wherein the inner diameter of the inner shaft (14) is larger than the outer diameter of the prism sleeve (6), the prism sleeve (6) is inserted into the inner shaft (14), a glue filling groove (16) is reserved between the prism sleeve (6) and the inner shaft (14) and used for injecting sealant, the prism sleeve (6) is sealed in the inner shaft (14), the retainer ring (15) is installed at the joint of the prism sleeve (6) and the inner shaft (14), and a glue injection hole (17) is formed in the side wall, close to the end of the prism sleeve (6), of the inner shaft (14).
3. A harsh environment resistant multi-fiber rotary connector according to claim 1 or claim 2, wherein: rotatory end cover of being qualified for next round of competitions (1) carries out seal installation through rotatory end static sealing ring (2) to stiff end cover of being qualified for next round of competitions (8) carries out seal installation through stiff end static sealing ring (7), and rotatory end static sealing ring (2) and stiff end static sealing ring (7) are all installed at drive assembly's both ends through movable seal circle (3) simultaneously, and rotatory end cover of being qualified for next round of competitions (1) and rotatory end output optical fiber (11) and stiff end cover of being qualified for next round of competitions (8) and stiff end output optical fiber (12) are all sealed through the encapsulating.
4. A harsh environment resistant multi-fiber rotary connector according to claim 1 or claim 2, wherein: two inflation nozzles (13) are symmetrically installed in the side wall of the fixed end outlet end cover (8), and the inflation nozzles (13) are installed in the side wall of the fixed end outlet end cover (8) in a sealing mode.
5. The rugged environment resistant multi-fiber rotary connector of claim 2, wherein: interior axle (14) have been seted up on being close to the outer wall of prism sleeve (6) ring channel (18), and the inside of ring channel (18) has been seted up three groups and has been deposited gluey groove (20), it is located between three groups through-hole (19) to deposit gluey groove (20), wherein through-hole (19) are used for installing fastening bolt (4), it is fixed to accomplish compressing tightly to prism sleeve (6), it is connected with curved hole (21) on the bottom left and right sides wall in gluey groove (20) to deposit simultaneously, the other end in curved hole (21) with fill out gluey groove (16) and communicate together, simultaneously the mechanism is glued to the pressure to the lock on the outer wall of ring channel (18).
6. The rugged environment resistant multi-fiber rotary connector of claim 5, wherein: the moulding press constructs including semicircle ring (22) and briquetting (23), and wherein two sets of semicircle ring (22) are installed to the lock on the outer wall of ring channel (18), and the size of semicircle ring (22) is the same with the size of ring channel (18), accomplishes through semicircle ring (22) and seals the sheltering from of ring channel (18) to fixed mounting has briquetting (23) on the inner wall of ring channel (18), and the size of briquetting (23) is the same with the size of depositing gluey groove (20).
7. The rugged environment resistant multi-fiber rotary connector of claim 6, wherein: fastening screw holes (26) are formed in the outer wall of the pressing block (23), meanwhile, a plurality of groups of grooves (27) are formed in the outer wall of the bottom of the pressing block (23), and the grooves (27) are communicated with the bottom wall of the pressing block (23).
CN202110556480.XA 2021-05-21 2021-05-21 Adverse environment resistant multi-path optical fiber rotary connector Active CN113341504B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110556480.XA CN113341504B (en) 2021-05-21 2021-05-21 Adverse environment resistant multi-path optical fiber rotary connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110556480.XA CN113341504B (en) 2021-05-21 2021-05-21 Adverse environment resistant multi-path optical fiber rotary connector

Publications (2)

Publication Number Publication Date
CN113341504A CN113341504A (en) 2021-09-03
CN113341504B true CN113341504B (en) 2022-05-17

Family

ID=77470464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110556480.XA Active CN113341504B (en) 2021-05-21 2021-05-21 Adverse environment resistant multi-path optical fiber rotary connector

Country Status (1)

Country Link
CN (1) CN113341504B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106291863A (en) * 2016-08-30 2017-01-04 中国电子科技集团公司第八研究所 Dove prism installation and debugging method for fiber rotation connector
CN205899076U (en) * 2016-06-14 2017-01-18 江苏能逸科技有限公司 Multi -channel optical fiber swivelling joint ware
CN206038962U (en) * 2016-08-30 2017-03-22 中国电子科技集团公司第八研究所 Multi -channel optical fiber swivelling joint ware
CN209821434U (en) * 2019-06-12 2019-12-20 深圳市国扬通讯有限公司 Large-light-spot optical fiber slip ring
CN111487726A (en) * 2020-05-29 2020-08-04 中国电子科技集团公司第十四研究所 Miniaturized multichannel optical fiber rotary connector
CN112334805A (en) * 2018-03-01 2021-02-05 莫戈公司 Multi-way optical fiber rotary joint

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8355607B2 (en) * 2010-10-06 2013-01-15 Princetel Inc. Fiber optic rotary joint mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205899076U (en) * 2016-06-14 2017-01-18 江苏能逸科技有限公司 Multi -channel optical fiber swivelling joint ware
CN106291863A (en) * 2016-08-30 2017-01-04 中国电子科技集团公司第八研究所 Dove prism installation and debugging method for fiber rotation connector
CN206038962U (en) * 2016-08-30 2017-03-22 中国电子科技集团公司第八研究所 Multi -channel optical fiber swivelling joint ware
CN112334805A (en) * 2018-03-01 2021-02-05 莫戈公司 Multi-way optical fiber rotary joint
CN209821434U (en) * 2019-06-12 2019-12-20 深圳市国扬通讯有限公司 Large-light-spot optical fiber slip ring
CN111487726A (en) * 2020-05-29 2020-08-04 中国电子科技集团公司第十四研究所 Miniaturized multichannel optical fiber rotary connector

Also Published As

Publication number Publication date
CN113341504A (en) 2021-09-03

Similar Documents

Publication Publication Date Title
CN113341504B (en) Adverse environment resistant multi-path optical fiber rotary connector
CA2160269C (en) Optical fiber built-in type composite insulator and method of producing the same
CN219123589U (en) Main unit and portable frequency interference instrument
CN105143942A (en) Sealing tube for cable entry port
CN208608414U (en) Wiring terminal assembly and compressor
CN113325521A (en) Super multichannel optical fiber rotary connector
CN115209022A (en) Camera case assembly and camera
CN211123380U (en) Optical module packaging structure
CN205719148U (en) There is the electronic water meter of three anti-functions
CN211928225U (en) Aspheric surface mould pressing lens structure for laser
CN213239879U (en) Test hole device of environmental test case
CN209804735U (en) Battery box
CN209900806U (en) Rotary water locking and purifying filter element and mounting head matched with same
CN110252595A (en) Dispensing module applied to antenna for base station end cap
CN110230714A (en) A kind of gas distributing device
CN113002270B (en) Electric vehicle and electric heating device thereof
CN220711580U (en) Camera with high accuracy and high air tightness
CN213117461U (en) Optical module seal structure
CN219635861U (en) Step type cigarette case
CN220797736U (en) Simple threading sealing device with joint cable
CN221196462U (en) Sealed dampproofing static balance valve
CN105758491A (en) Electronic water meter with three-proofing function
CN219740398U (en) Portable frequency interference instrument
CN220118626U (en) Supercharger air inlet gasket
CN109663397B (en) Rotary water-locking water-purifying filter element and mounting head matched with same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant