Metal dustproof cap for optical fiber transceiver
Technical Field
The utility model relates to a communication equipment technical field specifically is a metal dustproof cap for optic fibre transceiver.
Background
In the field of optical fiber communication, an optical transmitting device and an optical receiving device are very susceptible to dirt and dust pollution to cause optical path blockage and optical signal transmission blockage, for example, an optical fiber adapter which plays an important role in the field of optical fiber communication is an important device for realizing connection of two sections of optical fibers, a ferrule with high surface finish is arranged in the optical fiber adapter, the end face of the ferrule is strictly and specially treated, so that a metal dust cap is required to be used on the surface of the ferrule, particularly on the surface middle optical fiber core part, but the existing metal dust cap for an optical fiber transceiver has many problems or defects.
First, when a conventional metal dust cap for an optical fiber transceiver is not used for a long time, dust is easily collected inside the metal dust cap, which causes the end to be contaminated after the optical fiber end is inserted.
Second, the traditional metal dust cap for an optical fiber transceiver does not have a fixed module, and in the daily use process, a gap is easily generated between the optical fiber end and the dust cap, so that the dust-proof effect is poor, and even the optical fiber end falls off.
Third, the conventional metal dust cap for an optical fiber transceiver has no heat dissipation and dehumidification structure, so that the internal heat is not easily dissipated, and moisture can adversely affect optical fiber communication.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a metal dustproof cap for optical fiber transceiver to solve the long-time nothing that proposes in the above-mentioned background art, dustproof cap is inside easily to have dust, inconvenient dismantles fixed optical fiber end and can not fine heat dissipation dehumidification's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal dustproof cap for optical fiber transceiver, includes body, dust cover and optical fiber end, the diaphragm is transversely installed to the inside upper end of body, and the both sides of diaphragm evenly are provided with the through-hole, the vertical dust cover of installing in intermediate position department of diaphragm bottom, and the bottom of dust cover installs the sealing washer, the inside vertical optical fiber end that extends to the body outside that is provided with of through-hole, the intermediate position department on body top is provided with the arc apron, and the vertical connecting block of installing in intermediate position department of arc apron bottom, dry piece is transversely installed to the bottom of connecting block.
Preferably, the upper ends of the two sides in the body are transversely provided with heat conducting rods, the heat conducting rods are Y-shaped, the upper ends of the two sides of the body are provided with heat dissipation blocks, and one ends of the heat conducting rods extend to the outer side of the body and are welded with one sides of the heat dissipation blocks.
Preferably, sealed piece is all installed to the inside both sides lower extreme of body, and the inside both sides lower extreme of body all transversely is provided with the pull rod that runs through sealed piece and body lateral wall, the inside all twines of body on pull rod surface has fixed spring, and fixed spring keeps away from the one end of sealed piece and all installs the fixed block to the shape of fixed block is "arc" shape.
Preferably, the middle position department of the inside bottom of body is provided with the connection socket, the sealed cowling is installed to the upper end annular of optic fibre end, and the shape of sealed cowling is "round platform" shape, the area of connection socket cross section is less than the area of sealed cowling bottom cross section.
Preferably, the both sides of body bottom all articulate there is the baffle, and the body bottom of baffle one side all installs reset spring to reset spring's one end all welds with baffle bottom one side.
Preferably, the both sides on body top all transversely are provided with the recess, and the inside of recess all installs spacing spring, the stopper is all transversely installed to spacing spring's one end, and the stopper top is kept away from the vertical push rod of installing in one side of spacing spring, the inside both sides intermediate position department of arc apron all is provided with the spacing groove with stopper matched with.
Compared with the prior art, the beneficial effects of the utility model are that: this a metal dustproof cap for fiber optic transceiver is rational in infrastructure, has following advantage:
(1) through all setting up baffle and reset spring in body bottom both sides, when need not use the body, extract optical fiber end from this internal earlier, leave the body back completely when optical fiber end for the baffle resumes to horizontal position under reset spring's spring action, and then seals the body bottom, prevents that impurity such as dust from getting into inside the body, causes the body inner wall dirty, pollutes optical fiber end when preventing next use.
(2) Through all setting up pull rod, fixed block and fixed spring at the inside both sides lower extreme of body, through fixed spring's elasticity effect for the fixed block removes in opposite directions and carries on spacing fixedly to the fiber end, prevents that the fiber end from in the use, and unexpected removal leads to having the gap between sealed cowling and the connection socket, and the dustproof effect of reducing means, and the fixed block of "arc" shape makes bigger with fiber end area of contact, and then improves the spacing fixed effect to the fiber end.
(3) The utility model discloses a device for the dehumidification of optical fiber, including the body, the top is including the body, the upper end is all transversely set up the heat conduction stick through the inside both sides of body, and the inside top of body sets up dry piece, in the normal course of operation of device, the heat that fiber end work produced is conducted to the radiating block surface by the heat conduction stick, cool down by external cold air again, prevent the inside high temperature of body, influence optical fiber communication quality, and the heat conduction stick of "Y" shape, make heat exchange area bigger, the cooling effect is better, the inside moisture of body passes through the through-hole simultaneously and gets into the inside top of body and is absorbed by dry piece, prevent moisture corrosion device, improve device life, stimulate the push rod simultaneously, make the stopper remove the spacing spring of compression in the recess, thereby make stopper one end leave the spacing inslot, later accessible arc.
Drawings
Fig. 1 is a schematic view of the inserted front cross-section structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the separated front cross-section structure of the present invention;
fig. 4 is a schematic view of a partial top view structure of the present invention.
In the figure: 1. connecting blocks; 2. an arc-shaped cover plate; 3. a body; 4. a through hole; 5. a dust cover; 6. a seal ring; 7. a pull rod; 8. a fixed block; 9. a sealing cover; 10. a baffle plate; 11. an optical fiber termination; 12. a return spring; 13. a connecting socket; 14. fixing the spring; 15. a sealing block; 16. a heat dissipating block; 17. a heat conducting rod; 18. a transverse plate; 19. drying the blocks; 20. a push rod; 21. a limiting spring; 22. a groove; 23. a limiting groove; 24. and a limiting block.
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. 1-4, the present invention provides an embodiment: a metal dustproof cap for an optical fiber transceiver comprises a body 3, a dustproof cover 5 and an optical fiber end 11, wherein sealing blocks 15 are respectively installed at the lower ends of two sides in the body 3, pull rods 7 penetrating through the sealing blocks 15 and the side wall of the body 3 are respectively transversely arranged at the lower ends of two sides in the body 3, fixing springs 14 are respectively wound in the body 3 on the surfaces of the pull rods 7, fixing blocks 8 are respectively installed at one ends, far away from the sealing blocks 15, of the fixing springs 14, and the fixing blocks 8 are in an arc shape;
the fixing blocks 8 move oppositely to limit and fix the optical fiber end 11 under the elastic force action of the fixing springs 14, and the arc-shaped fixing blocks 8 have larger contact areas with the optical fiber end 11, so that the limiting and fixing effects on the optical fiber end 11 are improved;
the upper ends of two sides in the body 3 are transversely provided with heat conducting rods 17, the shape of each heat conducting rod 17 is Y-shaped, the upper ends of two sides of the body 3 are provided with radiating blocks 16, and one ends of the heat conducting rods 17 extend to the outer side of the body 3 and are welded with one sides of the radiating blocks 16;
in the normal working process of the device, heat generated by the working of the optical fiber end 11 is conducted to the surface of the heat dissipation block 16 by the heat conduction rod 17, and then is cooled by external cold air, so that the phenomenon that the internal temperature of the body 3 is too high to influence the optical fiber communication quality is prevented, and the Y-shaped heat conduction rod 17 enables the heat exchange area to be larger and the cooling effect to be better;
a transverse plate 18 is transversely arranged at the upper end inside the body 3, through holes 4 are uniformly formed in two sides of the transverse plate 18, a dust cover 5 is vertically arranged in the middle of the bottom end of the transverse plate 18, a sealing ring 6 is arranged at the bottom end of the dust cover 5, and an optical fiber end 11 extending to the outside of the body 3 is vertically arranged inside the through hole 4;
a connecting socket 13 is arranged in the middle of the bottom end in the body 3, a sealing cover 9 is annularly arranged at the upper end of the optical fiber end 11, the sealing cover 9 is in a circular truncated cone shape, and the area of the cross section of the connecting socket 13 is smaller than that of the cross section of the bottom end of the sealing cover 9;
because the area of the cross section of the bottom end of the sealing cover 9 is larger than that of the cross section of the connecting socket 13, impurities such as dust are prevented from entering the body 3, the optical fiber end 11 is prevented from being polluted, and the optical fiber communication efficiency is prevented from being influenced;
both sides of the bottom end of the body 3 are hinged with baffle plates 10, the bottom end of the body 3 on one side of each baffle plate 10 is provided with a return spring 12, and one end of each return spring 12 is welded with one side of the bottom end of each baffle plate 10;
under the elastic force of the return spring 12, the baffle 10 is restored to the horizontal position, so that the bottom end of the body 3 is closed, impurities such as dust and the like are prevented from entering the body 3, the inner wall of the body 3 is prevented from being stained, and the optical fiber end 11 is prevented from being polluted when the optical fiber is used next time;
an arc-shaped cover plate 2 is arranged in the middle of the top end of the body 3;
grooves 22 are transversely formed in two sides of the top end of the body 3, limiting springs 21 are arranged in the grooves 22, limiting blocks 24 are transversely arranged at one ends of the limiting springs 21, push rods 20 are vertically arranged on one sides, far away from the limiting springs 21, of the top ends of the limiting blocks 24, and limiting grooves 23 matched with the limiting blocks 24 are formed in the middle positions of two sides of the interior of the arc-shaped cover plate 2;
the push rod 20 is pulled, so that the limiting block 24 moves in the groove 22 to compress the limiting spring 21, one end of the limiting block 24 leaves the limiting groove 23, then the drying block 19 can be taken out through the arc-shaped cover plate 2, a new drying block 19 can be replaced, and the dehumidification effect of the device is ensured;
and the middle position department of 2 bottoms of arc apron vertically installs connecting block 1, and dry piece 19 is transversely installed to the bottom of connecting block 1.
The working principle is as follows: when the dustproof and waterproof device is used, firstly, the baffle 10 is pulled by hands, the baffle 10 deflects outwards to compress the return spring 12, then the pull rod 7 is pulled, the fixing block 8 moves to compress the fixing spring 14, then the optical fiber end 11 is inserted into the body 3, then the pull rod 7 and the baffle 10 are loosened, under the elastic action of the fixing spring 14, the fixing block 8 moves oppositely to limit and fix the optical fiber end 11, the area of the cross section of the bottom end of the sealing cover 9 is larger than that of the cross section of the connecting socket 13, further, the dustproof and waterproof treatment on the body 3 is realized, and the sealing ring 6 and the sealing block 15 are arranged, so that dust or water vapor is further prevented from entering the body 3, and influence is caused on the normal work of the optical fiber end 11;
in the normal working process of the device, heat generated by the working of the optical fiber end 11 is conducted to the surface of the heat dissipation block 16 by the heat conduction rod 17, and then is cooled by external cold air, so that the phenomenon that the internal temperature of the body 3 is overhigh and the optical fiber communication quality is influenced is prevented, and the Y-shaped heat conduction rod 17 enables the heat exchange area to be larger and the cooling effect to be better;
meanwhile, moisture in the body 3 enters the top end in the body 3 through the through hole 4 and is absorbed by the drying block 19, so that the device is prevented from being corroded by the moisture, the service life of the device is prolonged, meanwhile, the push rod 20 is pulled, the limiting block 24 moves in the groove 22 to compress the limiting spring 21, one end of the limiting block 24 leaves the limiting groove 23, then the drying block 19 can be taken out through the arc-shaped cover plate 2, a new drying block 19 can be replaced, and the dehumidification effect of the device is ensured;
when the body 3 is not needed to be used, the pull rod 7 can be pulled, the fixing block 8 is enabled to move to compress the fixing spring 14, the optical fiber end 11 is pulled out of the body 3, after the optical fiber end 11 completely leaves the body 3, the baffle 10 is enabled to recover to the horizontal position under the elastic action of the reset spring 12, the bottom end of the body 3 is further sealed, impurities such as dust are prevented from entering the body 3, the inner wall of the body 3 is dirty, and the optical fiber end 11 is prevented from being polluted when being used next time.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.