CN111796368A - Optical fiber coupling system - Google Patents
Optical fiber coupling system Download PDFInfo
- Publication number
- CN111796368A CN111796368A CN202010751717.5A CN202010751717A CN111796368A CN 111796368 A CN111796368 A CN 111796368A CN 202010751717 A CN202010751717 A CN 202010751717A CN 111796368 A CN111796368 A CN 111796368A
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- optical fiber
- pipe
- connecting pipe
- conical
- adapter
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
Abstract
The invention discloses an optical fiber coupling system, which comprises an optical fiber connector and an adapter, wherein the optical fiber connector comprises an optical fiber end pipe, an optical fiber connecting pipe and an outer movable sleeve, the right end of the optical fiber connecting pipe is fixedly connected with the optical fiber end pipe, the left end of the optical fiber connecting pipe is provided with an optical fiber outlet, the outer movable sleeve is in sliding fit with the optical fiber connecting pipe, the outer wall of the optical fiber connecting pipe is provided with a step surface, the diameter of the part, positioned on the left side of the step surface, of the optical fiber connecting pipe is larger than that of the part, positioned on the right side of the step surface, the right end of the outer movable sleeve is provided with a limiting surface, the limiting surface is arranged opposite to the step surface, a compression spring is arranged between the limiting surface and the step surface, the outer wall of the optical fiber connector is provided with an. The optical fiber coupling system has the advantages of simple structure, convenient assembly and disassembly, greatly reduced diameter and improved connection density.
Description
Technical Field
The invention relates to the field of communication equipment, in particular to an optical fiber coupling system.
Background
Optical fiber communication is a common communication mode in communication, and because optical fiber communication has the advantages of low loss, high transmission rate and the like, optical fiber communication is increasingly widely used. In optical fiber communication, an optical fiber coupling system is an important connection device. The existing optical fiber coupling system is usually made of plastic, has a rectangular appearance and a large diameter, and is small in connection density and small in number of optical fibers which can be plugged simultaneously when being connected on a panel of optical fiber connection equipment. For example, a patent document with a publication number of CN108572417A discloses an optical fiber coupling system, and specifically discloses an optical fiber coupling system, which includes an inner shell module and an outer shell, wherein the inner shell module is inserted into the outer shell, the medical module includes an inner shell, an optical fiber insertion core, two optical fiber protection doors, a clamping door and a connecting rod, the optical fiber insertion core is fixedly installed at one end of the inner shell, the two optical fiber protection doors are respectively located at two sides of the optical fiber insertion core, the optical fiber protection doors are slidably connected to the inner shell, the two optical fiber protection doors are respectively provided with an arc groove for placing an optical fiber, the two optical fiber protection doors are respectively provided with a sliding groove a along a horizontal direction at the arc groove, the sliding groove a is internally and slidably connected with the clamping door and a spring, one end of the spring is fixedly connected to the bottom of the sliding groove a; the optical fiber protection door is characterized in that the number of the connecting rods is two, the connecting rods are arranged side by side, one end of each connecting rod is connected with the optical fiber protection door, and strip-shaped bulges with inclined planes and used for pushing the two connecting rods to move in opposite directions are symmetrically arranged in the shell. As can be seen from the drawings of the patent document, the optical fiber coupling system has a complex structure, is complicated to connect, and has a large size, so that when the optical fiber coupling system is connected, the splicing density is low, or the optical fibers with the same number are connected, the overall size of the connecting device is much larger, and therefore the existing optical fiber coupling system needs to be improved.
Disclosure of Invention
The invention aims to provide an optical fiber coupling system aiming at the problems that the existing optical fiber coupling system is large in diameter and size, so that the connection density is low, the structure of the optical fiber coupling system is complex, the connection is complicated and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme: an optical fiber coupling system is characterized in that: the optical fiber connector comprises an optical fiber end pipe, an optical fiber connecting pipe and an outer movable sleeve, wherein the optical fiber end pipe, the optical fiber connecting pipe and the outer movable sleeve are all of hollow tubular structures, the right end of the optical fiber connecting pipe is fixedly connected with the optical fiber end pipe, the left end of the optical fiber connecting pipe is provided with an optical fiber outlet, the outer movable sleeve is in sliding fit with the optical fiber connecting pipe, the outer wall of the optical fiber connecting pipe is provided with a step surface, the diameter of the part, located on the left side of the step surface, of the optical fiber connecting pipe is larger than that of the part, located on the right side of the step surface, of the optical fiber connecting pipe, the right end of the outer movable sleeve is provided with a limiting surface, the limiting surface is arranged opposite to the step surface, a compression spring is arranged between the limiting surface and the step surface, the outer wall of the optical fiber connector is, and can dismantle fast, the pipe portion is used for assembling the fiber optical transceiver, and after the adapter is connected with fiber connector, the optic fibre of the optic fibre exit of the left end of fiber optical connecting pipe is connected with the fiber optical transceiver in the adapter.
The further scheme is that the assembly part on the optical fiber connector comprises a first assembly part arranged on the outer wall of the right end part of the outer movable sleeve and a second assembly part arranged on the outer wall of the left end part of the optical fiber end pipe, the first assembly part on the outer movable sleeve sequentially comprises a conical transition surface, a cylindrical surface and an annular groove from left to right, the diameter of the conical transition surface is gradually increased from left to right, the left side of the annular groove is a step surface, the right side of the annular groove is a conical inclined surface, the diameter of the conical inclined surface is gradually increased from left to right, the second assembly part on the optical fiber end pipe is an annular groove, the left side surface and the right side surface of the annular groove are both conical inclined surfaces, the diameter of the conical inclined surface is gradually increased from the bottom of the annular groove to the outer side, the connecting part of the adapter comprises at least two connecting clamping jaws which are uniformly distributed in the circumferential direction of the, the position of the first protruding buckle corresponds to the annular groove of the first assembly part at the right end part of the outer movable sleeve, the left side surface of the first protruding buckle corresponds to the left step surface of the annular groove of the first assembly part, the second protruding buckle is arranged at the right end part of the connecting clamping jaw, the second protruding buckle corresponds to the annular groove of the second assembly part on the optical fiber end pipe, and the left side surface of the second protruding buckle corresponds to the left conical inclined surface of the annular groove on the optical fiber end pipe. The first assembling part and the second assembling part are arranged on the optical fiber connector, the connecting clamping jaws are arranged on the adapter, so that the connection and the removal of the adapter and the optical fiber connector are very simple and convenient, during the connection, the connecting clamping jaws of the adapter are sleeved on the optical fiber connector from left to right, the connector is pushed leftwards, the first protruding buckles on the connecting clamping jaws move into the annular grooves of the first assembling part on the outer movable sleeve to complete the buckling, meanwhile, the second protruding buckles on the connecting clamping jaws move to the second assembling part on the optical fiber end pipe, and in the assembling process, the outer movable sleeve moves leftwards, so that the compression springs between the outer movable sleeve and the optical fiber connecting pipe are compressed, and the optical fiber connecting pipe is connected with the optical fiber transceiver in the adapter more firmly; when the connector is required to be detached, the connector is pulled rightwards, the second protruding buckle is outwards opened under the action of the conical inclined plane on the left side of the annular groove of the second assembling portion, the connecting clamping claw is driven to be outwards opened, the first protruding buckle is enabled to be separated from the annular groove of the first assembling portion along the radial direction, the buckle connection between the adapter and the optical fiber connector is removed, and the connector is pulled rightwards to separate the adapter from the optical fiber connector.
The adapter is characterized in that a reinforcing part is arranged between the pipe part and the connecting part of the adapter, the reinforcing part comprises reinforcing arms corresponding to the connecting clamping jaws in number, the width of each reinforcing arm is larger than that of each connecting clamping jaw, the connecting part of each reinforcing arm and each connecting clamping jaw is an inclined surface, and the position of each inclined surface corresponds to the conical transition surface of the first assembling part. Make the connection of connecting the jack catch and the pipe portion of adapter more firm through setting up the reinforcing portion, can prevent the fracture of connecting the jack catch.
The optical fiber connector is characterized in that the assembling portion is a plurality of protruding columns arranged on the right side portion of the outer movable sleeve, arc fastening grooves corresponding to the protruding columns in number are arranged in the connecting portion of the adapter, the arc fastening grooves are arranged in the same direction in a rotating mode, and limiting portions for limiting and fixing the protruding columns are arranged at the bottoms of the arc fastening grooves. Through the arrangement, the optical fiber connector and the adapter can be more conveniently assembled and disassembled, during installation, the notch of the arc-shaped fastening groove on the adapter is aligned with each protruding column, the adapter is pushed rightwards, each protruding column enters the corresponding arc-shaped fastening groove, then the adapter is rotated, the protruding columns slide to the limiting parts at the bottom of the arc-shaped fastening grooves along the arc-shaped fastening grooves, and in the assembling process, the outer movable sleeve slides leftwards, so that the compression spring between the outer movable sleeve and the optical fiber connecting pipe is compressed, and the optical fiber connecting pipe is more firmly connected with the optical fiber transceiver in the adapter; when needs are dismantled, promote outer movable sleeve pipe, make it break away from the spacing portion of arc fastening groove bottom, then reverse rotation adapter makes protruding post slide to the notch position along arc fastening groove, releases adapter and fiber connector's buckle and is connected, pulls the adapter left and can part adapter and fiber connector.
The optical fiber end tube comprises a first cylindrical hole part, a first conical hole part, a second cylindrical hole part, a second conical hole part and a third cylindrical hole part, wherein the first cylindrical hole part, the first conical hole part, the second cylindrical hole part, the second conical hole part and the third cylindrical hole part are sequentially arranged in an inner hole of the optical fiber end tube from right to left, the diameter of the first conical hole part is gradually reduced from right to left, the diameter of the second conical hole part is gradually increased from right to left, and the diameter of the third cylindrical hole part corresponds to the outer. Through setting up first circular cone hole, make optic fibre more smooth and easy when getting into the fiber connection pipe left from optic fibre end pipe right side, can effectively avoid optic fibre to take place to buckle in optic fibre end pipe and fiber connection pipe inner bore, make the connection operating efficiency of optic fibre higher.
The further scheme is that the inner hole of the optical fiber connecting pipe is a cylindrical hole, a conical guide hole is arranged between the optical fiber outlet and the inner hole of the optical fiber connecting pipe, the diameter of the conical guide hole is reduced from right to left, and the inner holes of the conical guide hole, the optical fiber outlet and the optical fiber connecting pipe are coaxially arranged. Through set up conical guiding hole at the optic fibre exit, make optic fibre more smooth and easy when wearing out from the optic fibre exit, avoid optic fibre to take place to buckle at the optic fibre exit.
The further proposal is that the optical fiber connecting pipe is connected with the optical fiber end pipe in an interference fit manner. Through interference fit connection, the connection of the optical fiber connecting pipe and the optical fiber end pipe is firmer.
The further scheme is that the optical fiber end pipe, the optical fiber connecting pipe and the outer movable sleeve are all metal pieces with high strength, and the adapter is made of plastic materials. The optical fiber end pipe, the optical fiber connecting pipe and the outer movable sleeve are all metal parts with high strength, the overall strength of the optical fiber coupling system can be improved, and the optical fiber end pipe, the optical fiber connecting pipe and the outer movable sleeve are made of stainless steel materials or alloy materials of metals such as aluminum magnesium and the like. The adapter selects plastic materials, so that the connecting clamping jaws have enough elasticity, and the adapter is conveniently connected with the optical fiber connector.
In a further scheme, a tapered chamfer surface is arranged at the left end part of the optical fiber connecting pipe. The chamfer surface is arranged, so that the optical fiber connecting pipe can be quickly aligned and connected with the optical fiber transceiver in the adapter.
The invention has the positive effects that: 1) compared with the existing optical fiber, the optical fiber coupling system has a simpler structure, the diameter of the optical fiber coupling system can be greatly reduced, when the optical fiber coupling system is connected to an optical fiber connecting panel, the number of optical fiber circuits which can be connected is larger, the connection density is higher, and the volume of a connecting circuit board can be reduced on the premise of the same connection number; 2) the optical fiber coupling system is quicker to install and disassemble, the connection between the optical fiber connector and the adapter is firmer, and the optical path connection between the optical fiber in the optical fiber connector and the optical fiber transceiver is more stable; 3) the optical fiber coupling system provided by the invention adopts the high-strength material, so that the strength of the optical fiber coupling system is higher, and the influence on the communication quality caused by the bending deformation of the optical fiber is prevented.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of an optical fiber connector according to embodiment 1 of the present invention.
Fig. 3 is a sectional view taken along the line a-a in fig. 2.
Fig. 4 is a schematic structural diagram of an adapter according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 6 is a schematic structural diagram of an optical fiber connector according to embodiment 2 of the present invention.
Fig. 7 is a sectional view taken along line B-B in fig. 6.
Fig. 8 is a schematic structural diagram of an adapter according to embodiment 2 of the present invention.
The optical fiber connector 1, the optical fiber end tube 11, the second assembling portion 111, the first cylindrical hole portion 112, the first conical hole portion 113, the second cylindrical hole portion 114, the second conical hole portion 115, the third cylindrical hole portion 116, the optical fiber connecting tube 12, the optical fiber outlet 121, the step surface 122, the conical guide hole 123, the outer movable sleeve 13, the first assembling portion 131, the conical transition surface 1311, the cylindrical surface 1312, the annular groove 1313, the limiting surface 132, the protruding column 133, the compression spring 14, the adapter 2, the tube portion 21, the connecting portion 22, the connecting claw 221, the first protruding buckle 2211, the second protruding buckle 2212, the reinforcing portion 23, the arc fastening groove 24, the limiting portion 25 and the optical fiber transceiver 3.
Detailed Description
The technical solutions of the present invention are described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 4, the optical fiber coupling system of the present invention includes an optical fiber connector 1 and an adapter 2.
The optical fiber connector 1 includes an optical fiber end tube 11, an optical fiber connection tube 12, and an outer movable sleeve 13. The optical fiber end pipe 11, the optical fiber connecting pipe 12 and the outer movable sleeve 13 are all hollow tubular parts, and the optical fiber end pipe 11, the optical fiber connecting pipe 12 and the outer movable sleeve 13 are all metal parts with high strength.
The optical fiber end pipe 11 is a hollow tubular structure, a second assembling portion 111 is arranged on the outer wall of the end portion of the left side of the optical fiber end pipe 11, the second assembling portion 111 is an annular groove, the left side face and the right side face of the annular groove are both conical inclined faces, and the diameters of the conical inclined faces gradually increase from the bottom of the annular groove to the outer side. The inner hole of the optical fiber end tube 11 is sequentially provided with a first cylindrical hole part 112, a first conical hole part 113, a second cylindrical hole part 114, a second conical hole part 115 and a third cylindrical hole part 116 from right to left, the first conical hole part 113 is gradually reduced in diameter from right to left, the second conical hole part 115 is gradually increased in diameter from right to left, and the diameter of the third cylindrical hole part 116 corresponds to the outer diameter of the right end part of the optical fiber connecting tube 12.
The right end of the optical fiber connecting pipe 12 is provided with an opening, the right end of the optical fiber connecting pipe 12 is connected with the optical fiber end pipe 11 in an interference fit manner, the left end of the optical fiber connecting pipe 12 is a closed surface, and an optical fiber outlet 121 is arranged in the center of the closed surface. A step surface 122 is provided on the outer wall of the optical fiber connection tube 12, and the diameter of the portion of the optical fiber connection tube 12 located on the left side of the step surface is larger than the diameter of the portion located on the right side of the step surface. The inner hole of the optical fiber connection tube 12 is a cylindrical hole, a conical guide hole 123 is arranged between the optical fiber outlet 121 and the inner hole of the optical fiber connection tube 12, the diameter of the conical guide hole 123 decreases from right to left, and the conical guide hole 123, the optical fiber outlet 122 and the inner hole of the optical fiber connection tube 12 are coaxially arranged. By providing the conical guide hole 123 at the fiber exit 121, the fiber can be more smoothly passed out from the fiber exit 121, and the fiber can be prevented from being bent at the fiber exit 122. The left end of the optical fiber connection tube 12 is provided with a tapered chamfered surface. The chamfered surface facilitates quick alignment of the fiber optic connector tube 12 with the fiber optic transceiver 3 within the adapter 2.
The outer wall of the right end of the outer movable sleeve 13 is provided with a first assembling portion 131, the first assembling portion 131 sequentially comprises a tapered transition surface 1311, a cylindrical surface 1312 and an annular groove 1313 from left to right, the diameter of the tapered transition surface 1311 gradually increases from left to right, the left side of the annular groove 1313 is a step surface, the right side of the annular groove 1313 is a tapered inclined surface, and the diameter of the tapered inclined surface gradually increases from left to right. The right end of the outer movable sleeve 13 is provided with a limiting surface 132, the limiting surface 132 is arranged opposite to the step surface 122 on the optical fiber connecting tube 12, and a compression spring 14 is arranged between the limiting surface 132 and the step surface 122.
The adapter 2 is a plastic material. The adaptor 2 includes a left tube 21 and a right tube 22, and the tube 21 and the right tube 22 are integrally formed. The tube portion 21 is cylindrical and tubular, and has an inner hole for fitting the optical fiber transceiver 3. After the adapter 2 is connected to the optical fiber connector 1, the optical fiber at the fiber outlet 121 at the left end of the fiber connecting tube 12 is connected to the fiber transceiver 3 in the adapter 2. The connecting portion 22 includes at least two connecting jaws 221, the connecting jaws 221 are uniformly distributed on the right end of the adapter 2 in the circumferential direction, each connecting jaw 221 is provided with a first protruding buckle 2211 and a second protruding buckle 2212, the first protruding buckle 2211 is located corresponding to the annular groove 1313 of the first assembling portion 131 at the right end of the outer movable sleeve 13, the left side surface of the first protruding buckle 2211 corresponds to the step surface on the left side of the annular groove 1313 of the first assembling portion 131, the second protruding buckle 2212 is located at the right end of the connecting jaw 221, the second protruding buckle 2212 corresponds to the annular groove of the second assembling portion 111 on the optical fiber end tube 11, and the left side surface of the second protruding buckle 2212 corresponds to the tapered inclined surface on the left side of the annular groove on the optical fiber end tube 11.
Reinforcing part 23 is provided between pipe part 21 and connecting part 22 of adapter 2, and by providing reinforcing part 23, connection between connection claw 221 and pipe part 21 of the adapter is made stronger, and breakage of connection claw 221 can be prevented. The reinforcing part 23 includes reinforcing arms corresponding to the number of the connecting jaws 221, the width of the reinforcing arms is greater than that of the connecting jaws, the connecting portion of the reinforcing arms and the connecting jaws is an inclined surface, and the position of the inclined surface corresponds to the tapered transition surface of the first assembling part.
The fiber coupling system of this embodiment, when using, optic fibre gets into the fiber end pipe from fiber end pipe right side opening part, penetrates fiber connection pipe left to wear out from the optic fibre export of fiber connection pipe left end, fix in the hole of the pipe portion of adapter with fiber connection's optic fibre transceiver. During connection, the connecting part of the adapter is sleeved at the left end of the optical fiber connecting pipe rightwards, the adapter is pushed rightwards, the first protruding buckle on the connecting clamping jaw is moved into the annular groove of the first assembling part on the outer movable sleeve to complete buckling, meanwhile, the second protruding buckle on the connecting clamping jaw is moved to the second assembling part on the optical fiber end pipe, and in the assembling process, the outer movable sleeve moves leftwards, so that a compression spring between the outer movable sleeve and the optical fiber connecting pipe is compressed, and the optical fiber connecting pipe is connected with an optical fiber transceiver in the adapter more firmly; when the optical fiber connector is required to be disassembled, the adapter is pulled leftwards, the second protruding buckle is outwards opened under the action of the conical inclined plane on the left side of the annular groove of the second assembling portion, the connecting clamping claw is driven to be outwards opened, the first protruding buckle is enabled to be separated from the annular groove of the first assembling portion along the radial direction, the buckle connection between the adapter and the optical fiber connector is removed, and the adapter can be separated from the optical fiber connector by pulling the adapter leftwards.
Example 2
As shown in fig. 5 to 8, the optical fiber coupling system of the present invention includes an optical fiber connector 1 and an adapter 2.
The optical fiber connector 1 includes an optical fiber end tube 11, an optical fiber connection tube 12, and an outer movable sleeve 13. The optical fiber end pipe 11, the optical fiber connecting pipe 12 and the outer movable sleeve 13 are all hollow tubular parts, and the optical fiber end pipe 11, the optical fiber connecting pipe 12 and the outer movable sleeve 13 are all metal parts with high strength.
The optical fiber end tube 11 is a hollow tubular structure, the inner hole of the optical fiber end tube 11 is sequentially provided with a first cylindrical hole part, a first conical hole part, a second cylindrical hole part, a second conical hole part and a third cylindrical hole part from right to left, the diameter of the first conical hole part is gradually reduced from right to left, the diameter of the second conical hole part is gradually increased from right to left, and the diameter of the third cylindrical hole part corresponds to the outer diameter of the right end part of the optical fiber connecting tube.
The right end of the optical fiber connecting pipe 12 is provided with an opening, the right end of the optical fiber connecting pipe is connected with the optical fiber end pipe in an interference fit manner, the left end of the optical fiber connecting pipe 12 is a closed surface, and an optical fiber outlet 121 is arranged in the center of the closed surface. A step surface 122 is provided on the outer wall of the optical fiber connection tube 12, and the diameter of the portion of the optical fiber connection tube 12 located on the left side of the step surface 122 is larger than the diameter of the portion located on the right side of the step surface 122. The inner hole of the optical fiber connection tube 12 is a cylindrical hole, a conical guide hole 123 is arranged between the optical fiber outlet 121 and the inner hole of the optical fiber connection tube 12, the diameter of the conical guide hole 123 decreases from right to left, and the conical guide hole 123, the optical fiber outlet 121 and the inner hole of the optical fiber connection tube 12 are coaxially arranged. Through set up conical guiding hole at the optic fibre exit, make optic fibre more smooth and easy when wearing out from the optic fibre exit, avoid optic fibre to take place to buckle at the optic fibre exit. The left end of the optical fiber connecting pipe is provided with a conical chamfer surface. The chamfer surface is arranged, so that the optical fiber connecting pipe can be quickly aligned and connected with the optical fiber transceiver in the adapter.
The right end of the outer movable sleeve 13 is provided with a limiting surface 132, the limiting surface is arranged opposite to the step surface on the optical fiber connecting pipe, and a compression spring is arranged between the limiting surface and the step surface. The outer wall of the right side part of the outer movable sleeve is provided with a plurality of convex columns 133. The protruding post 133 is integrally formed with the outer movable sleeve 13, or is embedded in the surface of the protruding post 133.
The adapter 2 is a plastic or metal part. The adaptor 2 includes a left tube portion 21 and a right connection portion 22. The tube portion and the connecting portion are integrally formed. The tube portion is cylindrical and tubular, and has an inner bore for mounting an optical fiber transceiver. After the adapter is connected with the optical fiber connector, the optical fiber at the optical fiber outlet at the left end of the optical fiber connecting pipe is connected with the optical fiber transceiver in the adapter. Be equipped with the arc fastening groove that corresponds quantity with protruding post at the connecting portion of adapter, each arc fastening groove is equipped with spacing portion spacing fixed to protruding post along the rotatory setting of same direction in the bottom of arc fastening groove.
In the optical fiber coupling system of this embodiment, when in use, the optical fiber enters the optical fiber end tube 11 from the right opening of the optical fiber end tube, penetrates into the optical fiber connection tube 12 leftward, and penetrates out from the optical fiber outlet 121 at the left end of the optical fiber connection tube 12, and the optical fiber transceiver 3 connected with the optical fiber is fixed in the inner hole of the tube part 21 of the adapter 2. During connection, the notch of the arc-shaped fastening groove 24 on the adapter 2 is aligned with each protruding column 133, the adapter 2 is pushed rightwards, each protruding column 133 enters the corresponding arc-shaped fastening groove 24, then the adapter 2 is rotated, the protruding columns 133 slide to the limiting parts 25 at the bottom of the arc-shaped fastening grooves 24 along the arc-shaped fastening grooves 24, in the assembly process, the outer movable sleeve 13 slides leftwards, the compression spring 14 between the outer movable sleeve 13 and the optical fiber connecting pipe 12 is compressed, and the optical fiber connecting pipe 12 is connected with the optical fiber transceiver 3 in the adapter 2 more firmly; when needs are dismantled, promote outer movable sleeve 13, make it break away from spacing portion 25 of arc fastening groove 24 bottom, then reverse rotation adapter 2 makes protruding post slide to the notch position along arc fastening groove, releases adapter and fiber connector's buckle and is connected, pulls the adapter left and can part adapter and fiber connector.
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 (9)
1. A fiber coupling system, characterized by: the optical fiber connector comprises an optical fiber end pipe, an optical fiber connecting pipe and an outer movable sleeve, wherein the optical fiber end pipe, the optical fiber connecting pipe and the outer movable sleeve are all of hollow tubular structures, the right end of the optical fiber connecting pipe is fixedly connected with the optical fiber end pipe, the left end of the optical fiber connecting pipe is provided with an optical fiber outlet, the outer movable sleeve is in sliding fit with the optical fiber connecting pipe, the outer wall of the optical fiber connecting pipe is provided with a step surface, the diameter of the part, located on the left side of the step surface, of the optical fiber connecting pipe is larger than that of the part, located on the right side of the step surface, of the optical fiber connecting pipe, the right end of the outer movable sleeve is provided with a limiting surface, the limiting surface is arranged opposite to the step surface, a compression spring is arranged between the limiting surface and the step surface, the outer wall of the optical fiber connector is, and can dismantle fast, the pipe portion is used for assembling the fiber optical transceiver, and after the adapter is connected with fiber connector, the optic fibre of the optic fibre exit of the left end of fiber optical connecting pipe is connected with the fiber optical transceiver in the adapter.
2. The fiber coupling system of claim 1, wherein: the assembly part on the optical fiber connector comprises a first assembly part arranged on the outer wall of the right end part of the outer movable sleeve and a second assembly part arranged on the outer wall of the left end part of the optical fiber end pipe, the first assembly part on the outer movable sleeve sequentially comprises a conical transition surface, a cylindrical surface and an annular groove from left to right, the diameter of the conical transition surface is gradually increased from left to right, the left side of the annular groove is a step surface, the right side of the annular groove is a conical inclined surface, the diameter of the conical inclined surface is gradually increased from left to right, the second assembly part on the optical fiber end pipe is an annular groove, the left side surface and the right side surface of the annular groove are both conical inclined surfaces, the diameter of the conical inclined surface is gradually increased from the bottom of the annular groove to the outer side, the connecting part of the adapter comprises at least two connecting clamping jaws, the connecting clamping jaws are uniformly distributed in, the position of the first protruding buckle corresponds to the annular groove of the first assembly part at the right end part of the outer movable sleeve, the left side surface of the first protruding buckle corresponds to the left step surface of the annular groove of the first assembly part, the second protruding buckle is arranged at the right end part of the connecting clamping jaw, the second protruding buckle corresponds to the annular groove of the second assembly part on the optical fiber end pipe, and the left side surface of the second protruding buckle corresponds to the left conical inclined surface of the annular groove on the optical fiber end pipe.
3. The fiber coupling system of claim 2, wherein: the adapter is characterized in that a reinforcing part is arranged between the pipe part and the connecting part of the adapter, the reinforcing part comprises reinforcing arms corresponding to the connecting clamping jaws in number, the width of each reinforcing arm is larger than that of each connecting clamping jaw, the connecting part of each reinforcing arm and each connecting clamping jaw is an inclined surface, and the position of each inclined surface corresponds to the conical transition surface of the first assembling part.
4. The fiber coupling system of claim 1, wherein: the optical fiber connector on assembly portion for setting up the protruding post of a plurality of in outer movable sleeve right side portion, be equipped with the arc fastening groove that corresponds quantity with protruding post at the connecting portion of adapter, each arc fastening groove is along the rotatory setting of the same direction, is equipped with the spacing portion of spacing fixed to protruding post in the bottom of arc fastening groove.
5. The fiber coupling system of claim 1, wherein: the inner hole of the optical fiber end tube is sequentially provided with a first cylindrical hole part, a first conical hole part, a second cylindrical hole part, a second conical hole part and a third cylindrical hole part from right to left, the diameter of the first conical hole part is gradually reduced from right to left, the diameter of the second conical hole part is gradually increased from right to left, and the diameter of the third cylindrical hole part corresponds to the outer diameter of the right end part of the optical fiber connecting tube.
6. The fiber coupling system of claim 1, wherein: the inner hole of the optical fiber connecting pipe is a cylindrical hole, a conical guide hole is formed between the optical fiber outlet and the inner hole of the optical fiber connecting pipe, the diameter of the conical guide hole is reduced from right to left, and the inner holes of the conical guide hole, the optical fiber outlet and the optical fiber connecting pipe are arranged coaxially.
7. The fiber coupling system of claim 1, wherein: the optical fiber connecting pipe is connected with the optical fiber end pipe in an interference fit manner.
8. The fiber coupling system of claim 1, wherein: the optical fiber end pipe, the optical fiber connecting pipe and the outer movable sleeve are all metal pieces with high strength, and the adapter is made of plastic materials.
9. The fiber coupling system of claim 1, wherein: the left end of the optical fiber connecting pipe is provided with a conical chamfer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751717.5A CN111796368B (en) | 2020-07-30 | 2020-07-30 | Optical fiber coupling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN203673107U (en) * | 2013-12-13 | 2014-06-25 | 北京志联同创光电科技有限公司 | Quick-plugging optical fiber connector |
| CN203773096U (en) * | 2014-03-25 | 2014-08-13 | 深圳市欧博凯科技有限公司 | Novel energy-saving SC adapter |
| CN204439880U (en) * | 2015-02-10 | 2015-07-01 | 深圳市星欣磊实业有限公司 | A kind of accurate SMA adapter |
| CN205246937U (en) * | 2015-12-08 | 2016-05-18 | 中国西电电气股份有限公司 | But fiber connector of high density installation |
| CN108254835A (en) * | 2017-11-14 | 2018-07-06 | 烽火通信科技股份有限公司 | A kind of joint of connector, adapter and fast insert-pull |
| CN108459378A (en) * | 2018-02-22 | 2018-08-28 | 宁波市金泽通信设备有限公司 | Fiber connector, fiber adapter and optical fiber connector |
| CN110989097A (en) * | 2019-12-19 | 2020-04-10 | 武汉邮埃服光电科技有限公司 | Optical fiber adapter connecting assembly |
| CN210465758U (en) * | 2019-07-30 | 2020-05-05 | 武汉昱升光器件有限公司 | Optical fiber connector, optical transmitter optical subassembly and optical module |
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| CN203673107U (en) * | 2013-12-13 | 2014-06-25 | 北京志联同创光电科技有限公司 | Quick-plugging optical fiber connector |
| CN203773096U (en) * | 2014-03-25 | 2014-08-13 | 深圳市欧博凯科技有限公司 | Novel energy-saving SC adapter |
| CN204439880U (en) * | 2015-02-10 | 2015-07-01 | 深圳市星欣磊实业有限公司 | A kind of accurate SMA adapter |
| CN205246937U (en) * | 2015-12-08 | 2016-05-18 | 中国西电电气股份有限公司 | But fiber connector of high density installation |
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| CN111796368B (en) | 2022-06-03 |
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