CN113267857B - Dustproof device for optical fiber distribution frame - Google Patents
Dustproof device for optical fiber distribution frame Download PDFInfo
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- CN113267857B CN113267857B CN202110368764.6A CN202110368764A CN113267857B CN 113267857 B CN113267857 B CN 113267857B CN 202110368764 A CN202110368764 A CN 202110368764A CN 113267857 B CN113267857 B CN 113267857B
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- fiber
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4442—Cap coupling boxes
- G02B6/4444—Seals
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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
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details 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
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/44528—Patch-cords; Connector arrangements in the system or in the box
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a dustproof device for an optical fiber distribution frame, which belongs to the technical field of optical fiber distribution accessory equipment and comprises a distribution frame interface dustproof cap, a tail plug dustproof cap and a first flexible connecting band, wherein two ends of the first flexible connecting band are respectively connected with a first limiting part and a second limiting part, the distribution frame interface dustproof cap is used for being inserted into an internal interface threaded tube of the optical fiber distribution frame to protect an interface fiber core, the tail plug dustproof cap is used for being sleeved outside the fiber core of the tail plug to protect the fiber core of the plug, and the first flexible connecting band can be conveniently used for pulling and inserting the dustproof cap in a handheld mode. The dustproof device for the optical fiber distribution frame is simple in structure and convenient to operate, the tail fiber connector and the distribution frame interface dustproof cap are integrally designed, the tail fiber is easy to place, the tail fiber in other work cannot be touched by mistake in the pulling-out process, and the working efficiency can be improved.
Description
Technical Field
The invention belongs to the technical field of optical fiber distribution accessory equipment, and particularly relates to a dustproof device for an optical fiber distribution frame.
Background
In recent years, with the rapid development of optical fiber communication, optical fiber cables have become an important carrier for communication transmission services. Fiber distribution frames are distribution connection devices between fiber optic cables and optical communication equipment or between optical communication equipment. An Optical Distribution Frame (ODF) is used for terminating and distributing a trunk Optical cable at a central office end in an Optical fiber communication system, and can conveniently realize connection, Distribution and scheduling of Optical fiber lines. The test of idle core of optical fiber distribution frame is an important maintenance means for periodic detection of various indexes of optical cable in communication station, the optical cable is generally 12, 24 or 36 cores, and one communication station has several optical cables. ODF optical distribution frame that uses in the communication trade uses FC adapter more at present, and its inside has a lot of tail optical fiber interfaces, can cooperate the installation FC dustproof cap on the interface.
At present, some on-site large numbers of optical fiber distribution frames are installed, the optical fiber distribution frames are arranged compactly, the distance between each layer of the optical fiber distribution frames is short, and for the optical fiber distribution frames with more services or for improving optical distribution, optical fibers around a dustproof cap can be used, the space around the optical distribution dustproof cap is narrow, a plurality of tail fibers which are used are arranged near the dustproof cap on a free fiber core, and the number of the free fiber cores of some node communication station optical fiber distribution frames is very large.
When the optical cable is tested and the tail fiber is replaced, the dust cap needs to be pulled down. When the staff pulls out the dustproof cap of the idle fiber core of the optical fiber distribution frame with the hand, the space is limited, so that the optical distribution dustproof cap can be clamped by only two fingers, the optical distribution dustproof cap is shaken left and right, and the dustproof cap is slowly pulled out and inserted.
The existing adapter interface of the distribution frame comprises a fiber core and a threaded pipe on the periphery of the fiber core, the existing dustproof cap sleeve is inserted on the periphery of the threaded pipe and is easily buckled by a hand and is not easy to pull out, great strength is needed when the dustproof cap is pulled out by the hand each time, fingers are difficult to exert force due to limited space, much time is wasted, the efficiency is low, time and labor are wasted, and even the fingers can be scratched; in the process of left-right shaking, the adjacent tail optical fiber in operation may be touched by mistake, even the optical fiber becomes loose and breaks, further the optical fiber communication is interrupted, the normal operation of the equipment is influenced, the service is not interrupted in plan, and the consequence is serious. The existing tool for plugging and pulling the dustproof cap is not good in use, and is not as good as the problem of directly solving the dustproof cap.
In addition, when the optical fiber distribution frame is tested due to the fact that an optical cable is cut and changed, a large number of service tail fibers need to be pulled out, a standard service tail fiber arrangement mode is not available in the existing optical fiber distribution frame test, the optical fiber distribution frame is often temporarily bundled in a cabinet or not arranged, the condition that a fiber core is exposed and polluted, the sequence of wires is disordered, the tail fibers are broken and the like can occur due to improper temporary arrangement of the tail fibers, so that service faults are caused, and service safety and recovery time are seriously influenced.
Disclosure of Invention
The invention aims to provide a dustproof device for an optical fiber distribution frame, and aims to solve the problems that an inner interface dustproof cap of the existing distribution frame is not easy to pull out, and a tail fiber head is exposed on the spot and is easy to damage when a tail fiber is replaced.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a dust-proof device for an optical fiber distribution frame, including:
the distribution frame interface dustproof cap comprises a first plug head and a first limiting part arranged on the first plug head, the first plug head is in inserting fit with the inside of an internal interface threaded pipe of an optical fiber distribution frame, the first limiting part is used for limiting the length of the first plug head inserted into the internal interface threaded pipe of the optical fiber distribution frame, and a first cavity for accommodating an internal interface fiber core of the optical fiber distribution frame is formed in the first plug head;
the tail fiber plug dust cap comprises a second plug head and a second limiting part arranged on the second plug head, the second plug head is in plug-in fit with the tail fiber plug and is used for limiting the length of the second plug head inserted into the tail fiber plug by virtue of the second limiting part, and a second cavity for accommodating a fiber core of the tail fiber plug is formed in the second plug head;
and two ends of the first flexible connecting band are respectively connected with the first limiting part and the second limiting part so that the inner interfaces of the optical fiber distribution frame correspond to the tail fiber plugs one by one.
In a possible implementation mode, the distribution frame interface dust cap is used for being inserted on the distribution frame interface and the first plug joint is clamped between the threaded pipe and the fiber core of the optical fiber distribution frame interface, so that the plug is convenient to pull out and insert, and when the interface is idle, the fiber core in the distribution frame interface is protected, and the use is prevented from being influenced by external pollution due to exposure of the fiber core.
In a possible implementation manner, the tail fiber plug dust cap is used for being plugged on a fiber core of the tail fiber plug, and when the tail fiber is switched, the fiber core in the tail fiber plug is protected, and the fiber core is prevented from being exposed and being polluted by the outside to influence the use.
As another embodiment of the present application, a plurality of protruding ribs are disposed on the sidewall of the first plug.
As another embodiment of this application, first spacing portion is kept away from first chock plug one end is equipped with the clamping part, the clamping part is global to be equipped with annular centre gripping recess.
In a possible implementation manner, the first flexible connecting band is used for connecting the distribution frame interface dust cap and the tail fiber plug dust cap, and the first flexible connecting band facilitates hands to pull out the dust cap by force.
As another embodiment of the present application, the plug connector further comprises a sliding protector, wherein the sliding protector comprises a sliding ring slidably connected to the first flexible connecting band, a connecting portion adapted to the first plug head or the second plug head, and a second flexible connecting band connecting the sliding ring and the connecting portion.
As another embodiment of this application, the connecting portion includes first sheath and the plug that connects gradually, first sheath be used for with first chock plug cup joints the cooperation, the plug be used for with the cooperation of pegging graft of second cavity.
As another embodiment of the present application, the first flexible connecting band is provided with a fixing groove for positioning the sliding ring.
As another embodiment of the present application, the connecting portion is made of a metal material.
As another embodiment of this application, still include the connection and fix the die-pin in optical fiber distribution frame interface the place ahead, the slip protection spare with first flexible connecting band cup joints on the die-pin.
As another embodiment of this application, be equipped with a plurality of joints that are used for the joint on the die-pin the draw-in groove of second flexible connecting band.
As another embodiment of this application, swivelling joint has on the die-pin with the baffle of the corresponding quantity of draw-in groove, the baffle is used for blockking the second flexible connecting band is deviate from the draw-in groove.
The dustproof device for the optical fiber distribution frame has the beneficial effects that: compared with the prior art, the dustproof device for the optical fiber distribution frame has the advantages that the first plug head is clamped between the threaded pipe and the fiber core of the distribution frame interface to play a dustproof protection role, the dustproof device is different from the situation that the dustproof cap of the existing distribution frame interface is inserted outside the threaded pipe, the dustproof cap of the distribution frame interface is convenient to buckle and pull out, the first limiting part can limit the insertion depth of the first plug head, and the dustproof cap of the tail fiber plug comprises the second plug head, the second cavity and the second limiting part and can be sleeved with the fiber core of the tail fiber plug to play a dustproof protection role; the first flexible connecting belt is connected with the distribution frame interface dustproof cap and the tail fiber plug dustproof cap, so that the dustproof cap can be conveniently pulled out by hands, and the distribution frame interface and the tail fiber plug can be in one-to-one correspondence through the splicing of the dustproof cap and the distribution frame interface with the tail fiber plug, so that tail fibers can be conveniently and orderly discharged when the tail fibers are replaced, and the distribution frame interface and the fiber core of the tail fibers are not polluted or damaged; the dustproof device for the optical fiber distribution frame is simple in structure, convenient and fast to operate, easy to place the tail fiber, free of mistakenly touching the tail fiber in other work in the pulling-out process, and capable of improving the working efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of a dustproof apparatus for an optical fiber distribution frame according to an embodiment of the present invention;
fig. 2 is a schematic main view of a dustproof apparatus for an optical fiber distribution frame according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a dustproof apparatus with a sliding protection member for an optical fiber distribution frame according to a second embodiment of the present invention;
fig. 4 is a cross-sectional structural view of a sliding protection member of a dustproof apparatus for an optical fiber distribution frame according to a second embodiment of the present invention;
fig. 5 is a schematic perspective view of a first dustproof apparatus for an optical fiber distribution frame according to a second embodiment of the present invention;
fig. 6 is a schematic perspective view of a second dustproof apparatus for an optical fiber distribution frame according to a second embodiment of the present invention;
fig. 7 is a schematic front view of a support rod of a dustproof device for an optical fiber distribution frame according to a second embodiment of the present invention
FIG. 8 is a sectional view taken along line A-A of FIG. 7;
fig. 9 is a schematic perspective view of a baffle of a dustproof device for an optical fiber distribution frame according to a second embodiment of the present invention.
In the figure: 1. a distribution frame interface dust cap; 11. a first plug head; 111. convex edges; 12. a first cavity; 13. a first limiting part; 2. a tail fiber plug dust cap; 21. a second plug head; 22. a second cavity; 23. a second limiting part; 3. a first flexible connecting band; 31. fixing grooves; 4. a clamping portion; 41. a clamping groove; 5. a sliding protector; 51. a slip ring; 52. a connecting portion; 521. a first sheath; 522. a plug; 523. a second sheath; 53. a second flexible connecting band; 6. a supporting rod; 61. a card slot; 62. rotating the hole; 63. a fixing hole; 7. a baffle plate; 71. rotating the rod; 72. and a through hole.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a description will now be given of a dust-proof device for an optical fiber distribution frame according to the present invention. Dust keeper for fiber optic distribution frame includes: the distribution frame interface dustproof cap 1 comprises a first plug 11 and a first limiting part 13 arranged on the first plug 11, wherein the first plug 11 is in insertion fit with the inside of an internal interface threaded pipe of an optical fiber distribution frame, the first limiting part 13 is used for limiting the length of the first plug 11 inserted into the inside of the internal interface threaded pipe of the optical fiber distribution frame, and a first cavity 12 used for accommodating an optical fiber distribution frame internal interface fiber core is arranged in the first plug 11; the tail fiber plug dust cap 2 comprises a second plug head 21 and a second limiting part 23 arranged on the second plug head 21, the second plug head 21 is in plug-in fit with the tail fiber plug and is used for limiting the length of the second plug head 21 inserted into the tail fiber plug by means of the second limiting part 23, and a second cavity 22 used for containing a fiber core of the tail fiber plug is formed in the second plug head 21; two ends of the first flexible connecting band 3 are respectively connected with the first limiting part 13 and the second limiting part 23, so that the inner interfaces of the optical fiber distribution frame correspond to the tail fiber plugs one by one.
Compared with the prior art, the dustproof device for the optical fiber distribution frame is characterized in that a first plug 11 is clamped between a threaded pipe and a fiber core of a distribution frame interface to play a dustproof protection role, and is different from the existing distribution frame interface dustproof cap which is inserted outside the threaded pipe, the distribution frame interface dustproof cap 1 is convenient to buckle and pull out due to the inconvenient pulling and inserting of the thread, a first limiting part 13 can limit the insertion depth of the first plug 11, and a tail fiber plug dustproof cap 2 comprises a second plug 21, a second cavity 22 and a second limiting part 23 and can be sleeved with the fiber core of the tail fiber plug to play a dustproof protection role; the first flexible connecting belt 3 is connected with the distribution frame interface dustproof cap 1 and the tail fiber plug dustproof cap 2, so that the dustproof cap can be conveniently pulled out by hands, and the distribution frame interface and the tail fiber plug can be in one-to-one correspondence through the splicing of the dustproof cap and the distribution frame interface with the tail fiber plug, so that tail fibers can be conveniently and orderly discharged when the tail fibers are replaced, and the distribution frame interface and the fiber core of the tail fibers are not polluted or damaged; the dustproof device for the optical fiber distribution frame is simple in structure, convenient and fast to operate, easy to place the tail fiber, free of mistakenly touching the tail fiber in other work in the pulling-out process, and capable of improving the working efficiency.
Specifically, the second plug 21 is provided with a second cavity 22 inside for being sleeved on the fiber core of the pigtail plug, and the fiber core of the plug is protected from being polluted by the second cavity 22. The second chock plug 21 is the cylinder, and the inside second cavity 22 of seting up is for cup jointing the complex cylinder chamber with the tail optical fiber core, and the spacing portion 23 of second is used for restricting the tail optical fiber core and inserts the degree of depth of second cavity 22, and spacing portion 23 of second is located second cavity 22 top, and the fiber core top supports at second restriction portion 23, and spacing portion 23 of second plays spacing tail optical fiber plug sinle silk and dirt-proof effect.
Optionally, in the first embodiment, the distribution frame interface dust cap 1, the tail fiber plug dust cap 2, and the first flexible connecting band 3 are made of rubber or nylon.
In order to ensure that the distribution frame interface dust cap 1 and the tail fiber plug dust cap 2 are more firmly connected with the first flexible connecting belt 3, the connecting parts of the two ends of the first flexible connecting belt 3 are provided with conical tables.
In some embodiments, the patch panel interface dust cap 1 may be configured as shown in fig. 1. Referring to fig. 1, a plurality of ribs 111 are provided on the sidewall of the first plug 11.
Specifically, the convex edge 111 can be conveniently inserted between the interface threaded pipe of the distribution frame and the fiber core, and the convex edge 111 is longitudinally arranged and circumferentially arrayed on the side surface of the first plug head 11.
Optionally, the side wall of the second plug 21 is provided with a plurality of second protruding ridges, and the second protruding ridges can increase friction between the tail fiber plug dust cap 2 and the tail wire plug, and can be conveniently plugged.
Referring to fig. 1 and 2, as an embodiment of the dustproof apparatus for an optical fiber distribution frame, a clamping portion 4 is disposed at an end of the first limiting portion 13 away from the first plug 11, and a clamping groove 41 is disposed on a side surface of the clamping portion 4.
Specifically, an operator holds the clamping groove 41 by hand, and the clamping groove 41 is arc-shaped and fits the shape of a finger, so that the operation is convenient.
Optionally, 4 sides of clamping part are equipped with anti-skidding line, when distribution frame interface dust cap 1 is pulled out and is inserted, increase the friction of hand and clamping part 4, more convenient operation.
Optionally, in order to facilitate the pulling and inserting of the pigtail plug dust cap 2, a second clamping portion, a groove or an anti-slip pattern may be further disposed at one end of the second limiting portion 23 away from the second plug 21.
Referring to fig. 3 and 4, a sliding protector 5 is slidably connected to the first flexible connecting band 3, the sliding protector 5 includes a sliding ring 51 sleeved on the first flexible connecting band 3, a connecting portion 52, and a second flexible connecting band 53 connecting the sliding ring 51 and the connecting portion 52, the connecting portion 52 includes a first sheath 521 and a plug 522 connected to each other, the first sheath 521 is used for sleeving and protecting the first plug 11, and the plug 522 is used for being inserted into the second cavity 22.
In the second embodiment, the first sheath 521 is used for protecting the first plug 11, when the first plug 11 is idle, the first sheath 521 is inserted to prevent dust from entering, and when the plug is used, the situation that the corresponding plug-in distribution frame interface is polluted by dust on a corresponding dust cap to influence the performance of the plug-in distribution frame interface can be avoided; likewise, the plug 522 serves to protect the second cavity 22 from dust and, in turn, to protect the core of the pigtail plug from contamination. The provision of the slip ring 51 and the second flexible connecting band 53 prevents the connecting portion 52 from being lost.
Optionally, the sliding ring 51 is provided with a notch to facilitate disassembly. Optionally, a second sheath 523 is arranged in a gap around the plug 522, the second sheath 523 is used for sleeving the outside of the fiber core of the pigtail connector, and the second sheath 523 and the plug 522 are matched, so that the fiber core of the pigtail connector can be better protected and prevented from being polluted.
Referring to fig. 3, as a specific embodiment of the dustproof apparatus for an optical fiber distribution frame according to the present invention, a fixing groove 31 for fixing a sliding ring 51 is provided on the first flexible connecting band 3.
Specifically, the fixing groove 31 can fix the sliding ring 51 to prevent it from sliding freely, and can also tighten the second flexible connecting belt 53. The two ends of the fixing groove 31 are provided with tapered platforms for facilitating the sliding ring 51 to move onto the fixing groove 31, and optionally, the sliding ring 51 and the second flexible connecting band 53 are made of rubber, and can also be made of materials with elastic and deformable properties such as nylon, super rubber and the like.
Referring to fig. 3 and 4, as an embodiment of the dustproof apparatus for an optical fiber distribution frame according to the present invention, the connecting portion 52 is made of a metal material.
Specifically, the metal material has high hardness and is not easy to deform, the metal material can be conveniently inserted into or sleeved on the flexible dustproof cap to play a dustproof role, and the connecting part 52 made of the metal material is smooth in surface at the contact part with the dustproof cap, so that dust can be conveniently cleaned.
In the second embodiment, the connecting portion 52 is made of stainless steel, and the side surface of the connecting portion 52 is provided with anti-slip patterns, so that the friction force between the hand and the connecting portion 52 is increased, and the pulling and inserting are convenient.
As a specific embodiment of the dustproof apparatus for an optical fiber distribution frame according to the present invention, please refer to fig. 5, further comprising a support rod 6 connected and fixed in front of an interface of the optical fiber distribution frame, wherein the sliding protection member 5 and the first flexible connecting band 3 are sleeved on the support rod 6.
Specifically, after the distribution frame interface dust cap 1 is inserted into the distribution frame interface, the tail fiber plug dust cap 2 and the plug 522 are inserted, and the tail fiber plug dust cap 2 is used for preventing dust for the idle tail fiber plug dust cap 2. The sliding protection piece 5 and the first flexible connecting band 3 are inserted into the plug 522 through the tail fiber plug dust cap 2 to form a ring shape, and the ring shape is sleeved on the support rod 6 to support the dust-proof device for the optical fiber distribution frame, so that the chaotic arrangement and the accidental extraction of the distribution frame interface dust cap 1 are prevented. When changing the tail optical fiber, idle tail optical fiber can insert in the corresponding tail optical fiber plug dust cap 2, take or convolute on die-pin 6, convenient regular tail optical fiber, protection tail optical fiber does not receive external pollution, tail optical fiber and this dust keeper for fiber distribution frame one-to-one, but every tail optical fiber and corresponding interface one-to-one promptly.
In some possible embodiments, the end of the second flexible connecting band 53 close to the connecting portion 52 is further provided with a collar for sleeving on the pigtail cable, which collar can catch the pigtail connector. After the tail optical fiber inserts in the corresponding tail optical fiber plug dust cap 2, overlap the lantern ring on the tail optical fiber, through the taut second flexible connecting band 53 of fixed slot 31 and slip ring 51's cooperation, prevent the separation of tail optical fiber plug and the dustproof cap 2 of tail optical fiber plug, or prevent to drop after the unexpected separation and cause the damage or unordered putting.
Referring to fig. 6 to 8, as a specific embodiment of the dustproof apparatus for an optical fiber distribution frame according to the present invention, a plurality of slots 61 for engaging with the second flexible connecting band 53 are disposed on the supporting rod 6.
Specifically, draw-in groove 61 blocks second flexonics area 53, can prevent to put the confusion to this dust keeper location for the optical fiber distribution frame, makes to put more neatly orderly. In the second embodiment, the card slot 61 can also be used for clamping the tail fiber cable to position the tail fiber. The number of card slots 61 corresponds to the number of interfaces per row on the optical distribution frame.
As a specific embodiment of the dustproof apparatus for an optical fiber distribution frame according to the present invention, please refer to fig. 6, 7, and 9, the support rod 6 is rotatably connected with a number of baffles 7 corresponding to the slots 61, and the baffles 7 are used to prevent the second flexible connecting band 53 from coming out of the slots 61.
In the second embodiment, a rotating hole 62 is formed in one side of the clamping groove 61 on the supporting rod 6, a fixing hole 63 with threads is formed in the other side of the clamping groove 61, a rotating rod 71 which is connected with the rotating hole 62 in a rotating mode is arranged at one end of the baffle 7, the rotating rod 71 is connected with the rotating hole 62 in a clamping mode and is prevented from being separated from the rotating hole, a through hole 72 which is matched with the fixing hole 63 is formed in the other end of the baffle 7, and the bolt is fixedly connected with the fixing hole 63 through the through hole 72 in a threaded mode. After second flexible connection area 53 or tail optical fiber cable card are in draw-in groove 61, baffle 7 keeps off on draw-in groove 61, through bolt fastening baffle 7, prevents that second flexible connection area 53 or tail optical fiber cable from deviating from draw-in groove 61, causes this dust keeper or tail optical fiber for optical distribution frame to discharge the confusion, serious can damage the fibre core.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. A dustproof device for an optical fiber distribution frame is characterized by comprising:
the distribution frame interface dustproof cap comprises a first plug head and a first limiting part arranged on the first plug head, the first plug head is in inserting fit with the inside of an internal interface threaded pipe of an optical fiber distribution frame, the first limiting part is used for limiting the length of the first plug head inserted into the internal interface threaded pipe of the optical fiber distribution frame, and a first cavity for accommodating an internal interface fiber core of the optical fiber distribution frame is formed in the first plug head;
the tail fiber plug dust cap comprises a second plug head and a second limiting part arranged on the second plug head, the second plug head is in plug-in fit with the tail fiber plug and is used for limiting the length of the second plug head inserted into the tail fiber plug by virtue of the second limiting part, and a second cavity for accommodating a fiber core of the tail fiber plug is formed in the second plug head;
two ends of the first flexible connecting band are respectively connected with the first limiting part and the second limiting part so that the inner interfaces of the optical fiber distribution frame correspond to the tail fiber plugs one by one;
the sliding protection piece comprises a sliding ring which is connected to the first flexible connecting belt in a sliding mode, a connecting portion which is matched with the first plug head or the second plug head, and a second flexible connecting belt which is connected with the sliding ring and the connecting portion.
2. The dust keeper of claim 1, wherein the first plug sidewall has a plurality of ribs thereon.
3. The dust keeper of claim 1, wherein the first stop portion has a clamping portion at an end thereof remote from the first plug, the clamping portion having an annular clamping groove formed in a peripheral surface thereof.
4. A dust guard for an optical fibre distribution frame as claimed in claim 1 wherein said connection portion includes a first sheath and a plug connected in series, said first sheath being adapted to fit over said first plug head and said plug being adapted to fit over said second cavity.
5. The dust keeper of claim 1, wherein the first flexible attachment strip includes a retaining groove for retaining the slip ring.
6. The dust keeper of claim 1, wherein the attachment portion is made of a metal material.
7. The dust keeper of any one of claims 1-6, further comprising a post attached to the front of the fiber optic distribution frame interface, wherein the sliding protector and the first flexible attachment strap are sleeved onto the post.
8. The dust keeper of claim 7, wherein the post has a plurality of slots for engaging the second flexible connecting strip.
9. The dust keeper of claim 8, wherein a number of baffles corresponding to the number of said locking slots are rotatably connected to said support rod, said baffles being adapted to prevent said second flexible connecting strip from coming out of said locking slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110368764.6A CN113267857B (en) | 2021-04-06 | 2021-04-06 | Dustproof device for optical fiber distribution frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110368764.6A CN113267857B (en) | 2021-04-06 | 2021-04-06 | Dustproof device for optical fiber distribution frame |
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| CN113267857A CN113267857A (en) | 2021-08-17 |
| CN113267857B true CN113267857B (en) | 2022-05-03 |
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| US6554485B1 (en) * | 2000-09-11 | 2003-04-29 | Corning Cable Systems Llc | Translucent dust cap and associated method for testing the continuity of an optical fiber jumper |
| CN202196201U (en) * | 2011-08-11 | 2012-04-18 | 杭州精工技研有限公司 | Dust cap for optical fiber connector |
| CN202421554U (en) * | 2011-12-29 | 2012-09-05 | 安费诺光纤技术(深圳)有限公司 | Dustproof cap for LC fiber connector |
| CN109521532A (en) * | 2018-12-28 | 2019-03-26 | 浙江超前通信科技股份有限公司 | Fiber connector, fiber adapter and optical fiber connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030108302A1 (en) * | 2001-12-08 | 2003-06-12 | Ru-Chin Chang | Protective sleeve for fiber-optic plug connector |
| US20050232551A1 (en) * | 2004-04-16 | 2005-10-20 | Cheng-Pei Chang | Devices for preventing lens contamination in optoelectronic modules and connectors |
| AU2016424753B2 (en) * | 2016-09-30 | 2020-05-07 | Huawei Technologies Co., Ltd. | Optical fiber plug, optical fiber adapter, and optical fiber connector assembly |
| CN208384200U (en) * | 2018-08-02 | 2019-01-15 | 中国南方电网有限责任公司超高压输电公司昆明局 | Optical fiber head protective device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06231639A (en) * | 1993-02-03 | 1994-08-19 | Sony Corp | Protective cap |
| US6554485B1 (en) * | 2000-09-11 | 2003-04-29 | Corning Cable Systems Llc | Translucent dust cap and associated method for testing the continuity of an optical fiber jumper |
| CN202196201U (en) * | 2011-08-11 | 2012-04-18 | 杭州精工技研有限公司 | Dust cap for optical fiber connector |
| CN202421554U (en) * | 2011-12-29 | 2012-09-05 | 安费诺光纤技术(深圳)有限公司 | Dustproof cap for LC fiber connector |
| CN109521532A (en) * | 2018-12-28 | 2019-03-26 | 浙江超前通信科技股份有限公司 | Fiber connector, fiber adapter and optical fiber connector |
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| CN113267857A (en) | 2021-08-17 |
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