CN211878233U

CN211878233U - Optical fiber rotary connector for multichannel-based optical fiber early warning equipment

Info

Publication number: CN211878233U
Application number: CN202020644115.5U
Authority: CN
Inventors: 叶俊健; 邓伟锋; 李耀均; 梁有
Original assignee: Shenzhen SDG Information Co Ltd
Current assignee: Shenzhen SDG Information Co Ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-11-06
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses an optical fiber rotary connector for multichannel optical fiber early warning equipment, connect in the inside rotor sleeve of stator housing with rotating including stator housing, the through-hole with rotor sleeve looks adaptation is seted up to stator housing's inside, the utility model relates to an optical fiber early warning technical field. This based on multichannel optical fiber rotary connector for early warning equipment, can realize the rotor sleeve and use the back in stator shell inside for a long time, through the pressure that the adjustment pressure strip produced buffer spring, thereby the packing force on control stripper plate inside roller and rotor sleeve surface, thereby avoid the rotor sleeve long-time when rotating and the stator shell between the increase of wearing and tearing lead to the bigger and bigger problem of optic fibre off-axis deviation, the problem that the skew rocked takes place for the rotor sleeve when rotating can effectively be prevented in setting up of two loose bearings of rethread, make stable transmission between the light signal, coupling efficiency is improved, good condition has also been created for follow-up optical fiber early warning work.

Description

Optical fiber rotary connector for multichannel-based optical fiber early warning equipment

Technical Field

The utility model relates to an optic fibre early warning technical field specifically is an optic fibre swivelling joint ware for early warning equipment based on multichannel optic fibre.

Background

The optical fiber rotary connector is also called as an optical fiber slip ring, an optical fiber rotary joint, an optical hinge and the like, and has the functions of solving the problem of optical signal transmission between opposite rotating parts, namely ensuring that the optical signal transmission is not interrupted by rotation, compared with the traditional electric connector, the optical fiber rotary connector has the advantages that 1, the optical fiber rotary connector uses light to transmit signals, has no electromagnetic leakage, good confidentiality, electromagnetic interference resistance, 2, no contact transmission, no abrasion, long service life, 500 thousands of rotations and no friction, can be used in flammable and explosive environments, 3, the transmission bandwidth is far larger than that of the electric connector and is matched with a wavelength division multiplexer for use, the bandwidth can be further doubled, 4, the allowable rotating speed is high, the maximum can reach ten thousands of rotations per minute, 1, the optical fiber rotary connector can be divided into an active optical fiber connector and a passive optical fiber connector according to the working principle, the active device has larger volume and poorer anti-interference capability, the transmission channels are few, 2, the connector can be divided into a single channel, a double channel and a multi-channel according to the number of the channels, the capacity of the multi-channel optical fiber rotary connector for transmitting signals is large, bidirectional transmission can be realized, but the connector is large in size and relatively complex in structure, 3, the connector can be divided into a single-mode optical fiber rotary connector and a multi-mode optical fiber rotary connector according to different used optical fibers, 4, other classifications are provided, and the optical fiber rotary connector adopting the space infrared technology, the optical fiber rotary connector adopting the wavelength division multiplexing technology and the like are provided.

Optical fiber rotary connector is one of the important part among the multichannel optical fiber early warning equipment, after long-time use, rotor sleeve is because the wearing and tearing that the friction produced between the two when stator housing is inside rotatory, lead to position deviation between the central line axle of its two optic fibre bigger and bigger, lead to rotor sleeve to remove inside the stator housing easily then, make optic fibre also take place to rock easily, influence the steady transmission of light signal, cause light signal transmission to break even, coupling efficiency has been reduced, the life of equipment has also been reduced, consequently to above problem, the utility model provides an optical fiber rotary connector for multichannel optical fiber early warning equipment based on.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an optical fiber rotary connector for multichannel optical fiber early warning equipment has solved rotor sleeve because the wearing and tearing that the friction produced between the two when stator housing is inside rotatory, leads to positional deviation between the central line axle of its two optic fibre bigger and bigger, leads to rotor sleeve to take place the problem of rocking at stator housing inside removal and optic fibre easily then.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an optical fiber rotary connector for multichannel optical fiber early warning equipment comprises a stator shell and a rotor sleeve rotatably connected inside the stator shell, wherein a through hole matched with the rotor sleeve is formed in the stator shell, movable grooves are formed in the stator shell and positioned at the top and the bottom of the through hole, the inner wall of each movable groove is rotatably connected with a threaded rod through a bearing, one end of each threaded rod, which deviates from the other threaded rod, sequentially penetrates through the movable grooves and the stator shell and extends to the outside of the stator shell, the surface of each threaded rod and the inner part of each movable groove are in threaded connection with a fastening nut, one side of the surface of each threaded rod, which is positioned at the fastening nut, is movably connected with a pressure plate, two sides of each pressure plate are in sliding connection with the inner wall of each movable groove, one side, opposite to the two pressure plates, is fixedly connected with a buffer spring, one end, far away from the pressure plate, sequentially penetrates through the movable grooves and, buffer spring extends to the inside one end fixedly connected with stripper plate of through-hole, two the roller groove has all been seted up with the top and the bottom on rotor sleeve surface to one side that the stripper plate is relative, and the inside swing joint in roller groove has the roller, just be located the equal fixedly connected with loose bearing in rotor sleeve surface between the both sides of through-hole inner wall top and bottom.

Preferably, one side of stator housing just is located the telescopic fixed surface of rotor and is connected with the connecting block, and the inside of connecting block set up with the logical groove of rotor sleeve looks adaptation, the rotor sleeve just is located the inside fixedly connected with fixed block that leads to the groove, the inside of connecting block just is located the surface that leads to the groove and sets up the spout with fixed block looks adaptation, and the inner wall fixedly connected with stopper of spout, one side of connecting block just is located the telescopic surface of rotor and passes through bolt fixedly connected with end cover, one side of end cover just is located the telescopic surperficial swing joint of rotor and has the sealing plug.

Preferably, the one end fixedly connected with of rotor sleeve dials the piece, and dials the top fixedly connected with poker rod of piece, dial the first protection casing of one side fixedly connected with of piece, one side fixedly connected with second protection casing of stator shell.

Preferably, the other end of the rotor sleeve and the inside of the through hole are provided with a fixing groove, the inside of the rotor sleeve and one side of the fixing groove are provided with a mounting groove, the inner wall of the fixing groove is fixedly connected with a rotor collimator, the inside of the rotor collimator is fixedly connected with a rotor lens, and one side of the rotor lens is fixedly connected with a rotor optical fiber.

Preferably, the one end that rotor lens was kept away from to rotor optic fibre runs through fixed slot, mounting groove, stirring piece and first protection casing in proper order and extends to one side of first protection casing, the inside fixedly connected with protective sheath that the surface of rotor optic fibre just is located the mounting groove.

Preferably, the equal fixedly connected with fixture block in both sides of protective sheath surface top and bottom, the telescopic inside of rotor just is located the both sides of mounting groove top and bottom and all sets up the draw-in groove with fixture block looks adaptation.

Preferably, a stator slot is formed in one side of the inner wall of the through hole, a stator collimator is fixedly connected to the inner wall of the stator slot, a stator lens is fixedly connected to the inside of the stator collimator, and a stator optical fiber is fixedly connected to one side of the stator lens.

Preferably, one end of the stator optical fiber penetrates the second shield and extends to one side of the second shield.

(III) advantageous effects

The utility model provides a based on multichannel is optic fibre swivelling joint ware for optic fibre early warning equipment. The method has the following beneficial effects:

(1) the optical fiber rotary connector for the multichannel-based optical fiber early warning equipment comprises a stator shell, a through hole matched with a rotor sleeve is formed in the stator shell, movable grooves are formed in the interior of the stator shell and positioned at the top and the bottom of the through hole, the inner wall of each movable groove is rotatably connected with a threaded rod through a bearing, the ends of the two threaded rods, which are deviated from each other, sequentially penetrate through the movable grooves and the stator shell and extend to the exterior of the stator shell, the surface of each threaded rod and positioned in the interior of the corresponding movable groove are in threaded connection with a fastening nut, the surface of each threaded rod and positioned on one side of the corresponding fastening nut are movably connected with a pressure plate, the two sides of each pressure plate are in sliding connection with the inner wall of the corresponding movable groove, one sides of the two pressure plates, which are opposite to each other, a buffer spring is fixedly connected with an extrusion plate, one end, far, the roller groove has been all seted up with the top and the bottom on rotor sleeve surface to one side that two stripper plates are relative, the inside swing joint in roller groove has the roller, just be located the equal fixedly connected with loose bearing in rotor sleeve surface between the both sides of through-hole inner wall top and bottom, one side of stator shell just is located the fixed surface of rotor sleeve and is connected with the connecting block, and the inside of connecting block sets up the logical groove with rotor sleeve looks adaptation, rotor sleeve just is located the inside fixedly connected with fixed block that leads to the groove, the inside of connecting block just is located the surface of logical groove and sets up the spout with fixed block looks adaptation, and the inner wall fixedly connected with stopper of spout, can realize rotor sleeve and use the back inside long-time of stator shell, through the pressure that the adjustment pressure strip produced buffer spring, thereby control the packing force of stripper plate inside roller and rotor sleeve surface, thereby the increase of wearing and lead to off-axis optical fiber deviation between The problem that the rotor sleeve can be effectively prevented from shifting and shaking when rotating by the aid of the two movable bearings, so that optical signals are stably transmitted, and good conditions are created for follow-up optical fiber early warning work.

(2) This optical fiber rotary connector for early warning equipment based on multichannel optic fibre, one side through the connecting block just is located rotor sleeve's surface and passes through bolt fixedly connected with end cover, one side of end cover just is located rotor sleeve's surperficial swing joint and has the sealing plug, rotor sleeve's one end fixedly connected with dials the piece, and the top fixedly connected with of dialling the piece dials the pole, dial the first protection casing of one side fixedly connected with of piece, one side fixedly connected with second protection casing of stator housing, the inner wall of first protection casing and second protection casing all is equipped with waterproof circle, can play certain waterproof dustproof effect when the connector uses, the protective effect has been strengthened

(3) The optical fiber rotary connector for the multichannel-based optical fiber early warning device is characterized in that a fixing groove is formed in the through hole through the other end of a rotor sleeve, a mounting groove is formed in the rotor sleeve and on one side of the fixing groove, a rotor collimator is fixedly connected to the inner wall of the fixing groove, and a rotor lens is fixedly connected inside the rotor collimator, a rotor optical fiber is fixedly connected on one side of the rotor lens, a stator slot is arranged on one side of the inner wall of the through hole, a stator collimator is fixedly connected on the inner wall of the stator slot, a stator lens is fixedly connected inside the stator collimator, one side of the stator lens is fixedly connected with a stator optical fiber, one end of the stator optical fiber penetrates through the second protective cover and extends to one side of the second protective cover, by adding the lens in the optical fiber, the distance between the stator optical fiber and the rotor optical fiber is increased, and the coupling efficiency is improved.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a perspective view of the fixing block structure of the present invention;

fig. 4 is a perspective view of the sealing plug structure of the present invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 2;

fig. 6 is a partially enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1-stator shell, 2-rotor sleeve, 3-through hole, 4-movable groove, 5-threaded rod, 6-fastening nut, 7-pressing plate, 8-buffer spring, 9-extrusion plate, 10-roller groove, 11-roller, 12-movable bearing, 13-connecting block, 14-through groove, 15-fixed block, 16-sliding groove, 17-limited block, 18-bolt, 19-end cover, 20-sealing plug, 21-toggle block, 22-toggle rod, 23-first protective cover, 24-second protective cover, 25-fixed groove, 26-mounting groove, 27-rotor collimator, 28-rotor lens, 29-rotor optical fiber, 30-protective sleeve, 31-clamping block, 32-clamping groove, 33-stator slot, 34-stator collimator, 35-stator lens and 36-stator optical fiber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: an optical fiber rotary connector for multi-channel optical fiber early warning equipment can realize that after a rotor sleeve 2 is used in a stator shell 1 for a long time, the pressing force of a pressing plate 7 on the surface of the rotor sleeve 2 is controlled by adjusting the pressure of the pressing plate 7 on a buffer spring 8, so that the problem that the off-axis deviation of optical fibers is larger and larger due to the increase of abrasion between the rotor sleeve 2 and the stator shell 1 when the rotor sleeve 2 rotates for a long time is solved, the problem that the rotor sleeve 2 deviates and shakes when rotating can be effectively prevented by arranging two movable bearings 12, so that optical signals are stably transmitted, the coupling efficiency is improved, good conditions are created for subsequent optical fiber early warning work at the same time, the optical fiber rotary connector comprises the stator shell 1 and the rotor sleeve 2 which is rotatably connected in the stator shell 1, and a fixing groove 25 is formed in the other end of the rotor sleeve 2 and positioned, a mounting groove 26 is formed in one side of the fixing groove 25 inside the rotor sleeve 2, a rotor collimator 27 is fixedly connected to the inner wall of the fixing groove 25, a rotor lens 28 is fixedly connected inside the rotor collimator 27, a rotor optical fiber 29 is fixedly connected to one side of the rotor lens 28, one end, far away from the rotor lens 28, of the rotor optical fiber 29 sequentially penetrates through the fixing groove 25, the mounting groove 26, the dial block 21 and the first protection cover 23 and extends to one side of the first protection cover 23, a protection sleeve 30 is fixedly connected to the surface of the rotor optical fiber 29 and inside the mounting groove 26, waterproof rings are arranged on the inner walls of the first protection cover 23 and the second protection cover 24, a certain waterproof and dustproof effect can be achieved when the connector is used, the protection effect is enhanced, fixture blocks 31 are fixedly connected to the top and the bottom of the surface of the protection sleeve 30, and clamping grooves 32 matched with the fixture blocks 31 are formed in the top and the bottom of the mounting groove 26 inside, one end of the rotor sleeve 2 is fixedly connected with a poking block 21, the top of the poking block 21 is fixedly connected with a poking rod 22, one side of the poking block 21 is fixedly connected with a first protective cover 23, one side of the stator shell 1 is fixedly connected with a second protective cover 24, the interior of the stator shell 1 is provided with a through hole 3 matched with the rotor sleeve 2, one side of the inner wall of the through hole 3 is provided with a stator slot 33, the inner wall of the stator slot 33 is fixedly connected with a stator collimator 34, the interior of the stator collimator 34 is fixedly connected with a stator lens 35, one side of the stator lens 35 is fixedly connected with a stator optical fiber 36, the distance between the stator optical fiber 36 and the rotor optical fiber 29 is increased by adding a lens in the optical fiber, the coupling efficiency is improved, one side of the stator shell 1 and the surface of the rotor sleeve 2 are fixedly connected with a connecting block 13, and the interior of the connecting, a fixed block 15 is fixedly connected inside the through groove 14 of the rotor sleeve 2, a self-focusing lens, a C lens (C lens) or an aspheric lens can be adopted as the rotor lens 28 and the stator lens 35, a sliding groove 16 matched with the fixed block 15 is formed inside the connecting block 13 and on the surface of the through groove 14, a limit block 17 is fixedly connected on the inner wall of the sliding groove 16, an end cover 19 is fixedly connected on one side of the connecting block 13 and on the surface of the rotor sleeve 2 through a bolt 18, a sealing plug 20 is movably connected on one side of the end cover 19 and on the surface of the rotor sleeve 2, movable grooves 4 are formed inside the stator housing 1 and at the top and bottom of the through hole 3, threaded rods 5 are rotatably connected on the inner wall of the movable groove 4 through bearings, and one ends of the two threaded rods 5, which are opposite, sequentially penetrate through the movable groove 4 and the stator, the surface of threaded rod 5 and the inside threaded connection who is located movable groove 4 have fastening nut 6, the surface of threaded rod 5 and the one side swing joint who is located fastening nut 6 have pressure strip 7, the both sides of pressure strip 7 all with the inner wall sliding connection of movable groove 4, the equal fixedly connected with buffer spring 8 in two relative one sides of pressure strip 7, buffer spring 8 keeps away from the one end of pressure strip 7 and runs through movable groove 4 and through-hole 3 in proper order and extend to the inside of through-hole 3, buffer spring 8 extends to the inside one end fixedly connected with stripper plate 9 of through-hole 3, roller groove 10 has all been seted up with the top and the bottom on rotor sleeve 2 surface to two relative one sides of stripper plate 9, the inside swing joint in roller groove 10 has roller 11, the equal fixedly connected with live bearing 12 in surface that just is located rotor sleeve 2 between the both sides of 3 inner wall tops of through-hole and.

When the rotor sleeve 2 is used for a long time in the stator shell 1, the rotor sleeve 2 is easy to have axial deviation when rotating, at this time, a person rotates the threaded rod 5, the fastening nut 6 can drive the pressing plate 7 to move towards the rotor sleeve 2 along with the rotation of the threaded rod 5, at this time, the pressing plate 7 drives the buffer spring 8 to press towards the rotor sleeve 2, the pressing force of the roller 11 in the pressing plate 9 on the rotor sleeve 2 can be realized by adjusting the pressing degree of the pressing plate 9, the problem of preventing the rotor sleeve 2 from shifting can be realized by arranging the two movable bearings 12, meanwhile, when the rotor sleeve 2 rotates, the fixing block 15 rotates along the limiting block 17 in the sliding groove 16, the coupling efficiency between the stator optical fiber 29 and the rotor optical fiber 29 is further enhanced, the stability of optical signal transmission is also improved, the rotor optical fiber 29 is fixed in the protective sleeve 30, protective sheath 30 passes through the fixture block 31 card and can prevent that optic fibre from receiving the problem that external effort takes place to rock easily inside draw-in groove 32, passes through the thread tightening end cover 19 on connecting block 13, plugs sealing plug 20 on end cover 19, can play the guard action to stator housing 1 inner structure, increases stator optic fibre 36 and rotor optic fibre 29's distance through rotor lens 28 and stator lens 35, has improved coupling efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optical fiber rotary connector for early warning equipment based on multichannel optic fibre, includes stator housing (1) and rotates and connect in the inside rotor sleeve (2) of stator housing (1), through-hole (3) with rotor sleeve (2) looks adaptation are seted up to the inside of stator housing (1), its characterized in that: the inside of stator shell (1) and the top and the bottom that are located through-hole (3) have all seted up movable groove (4), the inner wall of movable groove (4) rotates through the bearing and is connected with threaded rod (5), two the one end that threaded rod (5) deviates from mutually all runs through movable groove (4) and stator shell (1) in proper order and extends to the outside of stator shell (1), the surface of threaded rod (5) and the inside threaded connection who is located movable groove (4) have fastening nut (6), one side swing joint that the surface of threaded rod (5) just is located fastening nut (6) has pressure strip (7), the both sides of pressure strip (7) all with the inner wall sliding connection of movable groove (4), two the equal fixedly connected with buffer spring (8) in one side that pressure strip (7) are relative, buffer spring (8) keep away from the one end of pressure strip (7) and run through movable groove (4) and through-hole (3) in proper order and extend to the interior of through-hole (3) The part, buffer spring (8) extend to inside one end fixedly connected with stripper plate (9) of through-hole (3), two roller groove (10) have all been seted up with the top and the bottom on rotor sleeve (2) surface to one side that stripper plate (9) is relative, and the inside swing joint in roller groove (10) has roller (11), the equal fixedly connected with loose bearing (12) in surface that just is located rotor sleeve (2) between the both sides of through-hole (3) inner wall top and bottom.

2. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 1, wherein: stator housing (1) one side and the fixed surface that is located rotor sleeve (2) are connected with connecting block (13), and the inside of connecting block (13) set up with logical groove (14) of rotor sleeve (2) looks adaptation, rotor sleeve (2) just are located inside fixedly connected with fixed block (15) that lead to groove (14), the inside of connecting block (13) just is located the surface that leads to groove (14) and sets up spout (16) with fixed block (15) looks adaptation, and the inner wall fixedly connected with stopper (17) of spout (16), bolt (18) fixedly connected with end cover (19) are passed through on the surface that one side of connecting block (13) just is located rotor sleeve (2), the surface swing joint that just is located rotor sleeve (2) of one side of end cover (19) has sealing plug (20).

3. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 1, wherein: the one end fixedly connected with of rotor sleeve (2) dials piece (21), and dials top fixedly connected with of piece (21) and dials pole (22), dial first protection casing (23) of one side fixedly connected with of piece (21), one side fixedly connected with second protection casing (24) of stator housing (1).

4. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 1, wherein: the other end of rotor sleeve (2) just is located the inside of through-hole (3) and has seted up fixed slot (25), mounting groove (26) have been seted up to the inside of rotor sleeve (2) just is located one side of fixed slot (25), the inner wall fixedly connected with rotor collimator (27) of fixed slot (25), and the inside fixedly connected with rotor lens (28) of rotor collimator (27), one side fixedly connected with rotor optic fibre (29) of rotor lens (28).

5. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 4, wherein: one end of the rotor optical fiber (29) far away from the rotor lens (28) sequentially penetrates through the fixing groove (25), the mounting groove (26), the poking block (21) and the first protection cover (23) and extends to one side of the first protection cover (23), and the surface of the rotor optical fiber (29) is fixedly connected with a protection sleeve (30) located inside the mounting groove (26).

6. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 5, wherein: the equal fixedly connected with fixture block (31) in both sides of protective sheath (30) surface top and bottom, draw-in groove (32) with fixture block (31) looks adaptation are all seted up to the inside of rotor sleeve (2) and the both sides that are located mounting groove (26) top and bottom.

7. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 1, wherein: stator slot (33) have been seted up to one side of through-hole (3) inner wall, the inner wall fixedly connected with stator collimator (34) of stator slot (33), the inside fixedly connected with stator lens (35) of stator collimator (34), and one side fixedly connected with stator optic fibre (36) of stator lens (35).

8. The optical fiber rotary connector for the multichannel optical fiber early warning device as claimed in claim 7, wherein: one end of the stator optical fiber (36) penetrates through the second protective cover (24) and extends to one side of the second protective cover (24).