CN207249189U - A kind of fiber adapter of dust-proof shading - Google Patents

Abstract

The utility model provides a kind of fiber adapter of dust-proof shading, including adapter main body and optical occluder component.Adapter main body includes main part and lid, and main part is recessed to form the dented space with both direction opening, and lid is clamped with main part, and closes an opening of dented space, forms the port with an opening, adapter main body is provided with port.Optical occluder component includes shadow shield, the each two adjacent port of homonymy shares a shadow shield, the first end of shadow shield is formed with rotation axis, the inner wall for sharing two adjacent ports of a shadow shield is provided with rotation slot, rotation slot is laterally opened up from main part close to the one of lid away from the direction of lid, lid covering rotation slot.Lid will not impact port from the one of opening of outer closures.Lid and main part had not only been assembled simple but also can be fixedly secured by clamping.One shadow shield covers two ports at the same time, reduces the quantity of shadow shield, improves efficiency of assembling.

Description

A kind of fiber adapter of dust-proof shading

Technical field

It the utility model is related to fiber adapter, more particularly to the fiber adapter of dust-proof shading.

Background technology

Fiber adapter is widely used in the connection apparatus field of optical fiber, and the optical fiber that its both ends can be inserted into different interface type connects Device is connect, realizes the conversion between the distinct interfaces such as FC, SC, ST, LC, MTRJ, MPO, E2000.Connect for the ease of the connector at both ends Connect, fiber adapter is connected by port with optical fiber connector, casing is provided between opposite port, positioned at fiber adapter The optical fiber connector at both ends is inserted respectively into corresponding port, and the optical fiber on optical fiber connector head is inserted from the both ends of casing respectively Enter, and be aligned by casing, misplaced to avoid optical fiber, reduce loss.

In the prior art, in order to which dust-proof shading, some fiber adapter can set shadow shield, shadow shield is generally in port Rotatably, shadow shield can avoid when optical fiber connector is inserted into, and after optical fiber connector is extracted, shadow shield can cover end Mouthful.For existing fiber adapter in order to install shadow shield, fiber adapter is separated into main body by some along the opening direction of port Portion and the exterior component of Access Division two, after shadow shield is installed on main part by the side of proximal port during use, then outside are clamped Portion is pressed into, and shadow shield is fixed.The main part of such a structure and exterior Access Division due to the opening direction clamping along port, Exterior Access Division can be extend into port, cause the space in port to diminish.

In addition, the adapter main body of also some fiber adapter isolates cover board in the side of port, shadow shield is installed to After in port, cover board covers the sidepiece of port, then the outer of the adapter main body after being mounted with cover board is set in by metal framework Portion, cover board and adapter main body are fixed.Such a fixed form also needs to additionally fix using metal framework, not only fixed not side Just, and part is added, improves the complexity in assembling process.

Utility model content

The purpose of this utility model is that proposing a kind of fiber adapter of dust-proof shading, the dust-proof screening of shadow shield can be utilized Light, and assemble the inner space that port simply, will not be influenced.

For this purpose, the utility model uses following technical scheme：

A kind of fiber adapter of dust-proof shading, including adapter main body and optical occluder component, adapter main body include：

Main part, depression form the dented space with both direction opening；

Lid, is clamped with main part, and closes an opening of dented space, forms the port with an opening, fits The both sides of adapter body are relatively set with multiple ports, and port is used to connect optical fiber connector；

Optical occluder component includes the shadow shield that can close and open port, and each two adjacent port of homonymy shares a screening Tabula rasa, for the first end of shadow shield formed with rotation axis, two adjacent ports for sharing a shadow shield are common port, share end The opposite inner wall of mouth is respectively arranged with the rotation slot adapted to rotation axis, and shadow shield is rotated around rotation axis, to open or close Common port, rotation slot are laterally opened up from main part close to the one of lid away from the direction of lid, lid covering rotation slot.

Wherein, share between two adjacent ports of a shadow shield by divides, offer and keep away on demarcation strip Allow area, the middle part of shadow shield is located at demarcation strip, and the both sides of shadow shield avoid area and shadow shield respectively in two ports End movement locus is adapted.

Wherein, optical occluder component further includes elastic needle, and elastic needle, which opens, two elastic tips, shadow shield and adapter main body It is rotatably connected, inner wall of two elastic tips respectively with shadow shield and adapter main body abuts, to keep shadow shield close port.

Wherein, the arc-shaped setting in the middle part of elastic needle.

Wherein, shadow shield inwardly offers the wears groove through shadow shield from first end, and wears groove, which is horizontally arranged with, is arranged axis, wears Groove is arranged axis and is separated into the limiting slot close to first end and the limit hole away from first end, is sheathed on and is arranged in the middle part of elastic needle Axis, and be placed in limiting slot, an elastic tip of elastic needle is stretched out from limit hole and abutted with shadow shield, another elasticity End is abutted with the inner wall of adapter main body.

Wherein, wears groove is located at the corresponding position of demarcation strip, and the inner wall of adapter main body is opened up in elastic tip and being arranged at axis There is corresponding storage tank.

Wherein, optical fiber connector has the lug boss that can be compressed and spring back；

The side wall of port is provided with the concave part for housing lug boss, and concave part does not run through the side wall of port.

Wherein, depressed area is on the inner wall opposite with lid of main part.

Wherein, fiber adapter further includes casing and lock tube, and adapter main body both sides are provided with port, and the port of both sides leads to Collar aperture connection is crossed, the inside projection of first end of collar aperture forms the first barb, the port connected with the second end of collar aperture Inner wall be provided with concave lock tube clamping area；Casing is used to be directed at the optical fiber stretched into from the both ends of casing；Lock tube, which is provided with, to be passed through The lockhole worn, lockhole is identical with the diameter of collar aperture, and lock tube forms lock tube Access Division, lock tube Access Division in the outer wall projection of lockhole It can open and compressed perpendicular to lockhole axially direction, the inside projection of first end of lockhole forms the second barb；Work as lock When set Access Division opens and is caught in lock tube clamping area, the second end of lockhole is docked with the second end of collar aperture, with containment sheath, and It is spacing to the both ends of casing respectively by the first barb and the second barb.

Wherein, the end set of lock tube Access Division has can keep with the inclined inclined arm of the axial direction of lockhole, inclined arm Open and compressed.

Wherein, the outer end of inclined arm is tilted to close to the direction of the second barb.

Wherein, lock tube Access Division offers bending groove in the inner bending place of inclined arm.

Wherein, separation trough is inwardly offered from one end of lockhole, lock tube wedging position is locked on the corresponding outer wall of separation trough When covering Access Division compression, the outer wall of separation trough both sides closes up into separation trough.

Wherein, at the second end of lockhole, the side wall of the port connected with the second end of collar aperture is set lock tube wedging position It is equipped with corresponding lock tube clamping area.

Wherein, the inner wall where the second end of collar aperture is adapted with lock tube Access Division close to the surface of collar aperture, casing The axial direction of inner wall where the second end in hole perpendicular to collar aperture.

Wherein, the both sides of lock tube are symmetrically arranged with lock tube Access Division.

Wherein, the end of lock tube Access Division is linearly set, and lock tube clamping area is bar-shaped trough.

Wherein, the outer surface of adapter main body offers depressed area, and depressed area is used for adapter main body and miscellaneous part Assemble it is spacing, depressed area do not run through adapter main body outer wall, to form dustproof construction.

Wherein, main part is integrally formed, and is made with lid of same material.

Wherein, the first Access Division of the both sides of main part is symmetrical arranged.

Wherein, every side of main part is respectively arranged with least two first Access Divisions.

Wherein, blocked hole is offered on the first Access Division, the second button sets portion and formed from the outer wall projection of main part, the second button If portion is provided with guide surface in the side close to lid, in order to which the first Access Division is clamped.

Wherein, the side of adapter main body is provided with multiple dented spaces, passes through spacing board between adjacent dented space Separate, lid main body closes the opening of multiple dented spaces, forms multiple ports, and second is provided with spacing board and buckles the portion of setting, lid master Body projection forms the second Access Division, the second Access Division and the second button portion of setting clamping.

Wherein, the second Access Division includes elastic arm and the grab for being convexly equipped in elastic arm end, and the second button sets portion to be spaced The first accommodating area and the second accommodating area opened up on plate, the first accommodating area house elastic arm, and the second accommodating area houses grab, grab It is connected in the cell wall of the second accommodating area.

Beneficial effect：The utility model provides a kind of fiber adapter of dust-proof shading, including adapter main body and screening Light panel components.Adapter main body includes main part and lid, and main part is recessed to form the dented space with both direction opening, Lid is clamped with main part, and closes an opening of dented space, forms the port with an opening, adapter main body Both sides are relatively set with multiple ports, and port is used to connect optical fiber connector.Optical occluder component includes to close and opening port Shadow shield, each two adjacent port of homonymy shares a shadow shield, and the first end of shadow shield shares one formed with rotation axis Two adjacent ports of a shadow shield are common port, and the opposite inner wall of common port is respectively arranged with what is adapted to rotation axis Rotation slot, shadow shield are rotated around rotation axis, and to open or close common port, rotation slot is from main part close to the one lateral of lid Opened up away from the direction of lid, lid covering rotation slot.Dented space have two opening, lid from outer closures one of them When being open and forming port, the space inside port will not be impacted.Shadow shield dust-proof can be in the light, and install shadow shield When, after can first the opening that shadow shield is closed along coverd part be loaded, then lid and main part are clamped and closed, installation is very It is convenient.Not only assembled simple by way of clamping between lid and main part but also main part and lid can be fixedly secured, and be not required to Additionally to increase other fixed structures.In addition, two ports are covered at the same time using a shadow shield, it is no longer necessary to be individually for every A port is equipped with shadow shield, it is possible to reduce the outfit quantity of shadow shield.Importantly, the assembling of fiber adapter can be reduced Time, improves efficiency of assembling, greatly reduces manual assembly cost.

Brief description of the drawings

Fig. 1 is the structure diagram one of fiber adapter provided by the utility model.

Fig. 2 is the structure diagram two of fiber adapter provided by the utility model.

Fig. 3 is the explosive view one of fiber adapter provided by the utility model.

Fig. 4 is the structure diagram of the lid of fiber adapter provided by the utility model.

Fig. 5 is the explosive view two of fiber adapter provided by the utility model.

Fig. 6 is adapter main body (hiding lid), lock tube, casing and the optical fiber of fiber adapter provided by the utility model The explosive view of connector.

Fig. 7 is the partial enlarged view at the A of Fig. 6.

Fig. 8 is the structure diagram of the lock tube of fiber adapter provided by the utility model.

Fig. 9 is the structure diagram one of the shadow shield of fiber adapter provided by the utility model.

Figure 10 is the structure diagram two of the shadow shield of fiber adapter provided by the utility model.

Figure 11 is the sectional view one of fiber adapter provided by the utility model.

Figure 12 is the partial enlarged view at the B of Figure 11.

Figure 13 is the sectional view two of fiber adapter provided by the utility model.

Figure 14 is the partial enlarged view at the C of Figure 13.

Figure 15 is the partial enlarged view at the D of Figure 13.

1- adapter main bodies, 11- ports, 12- collar apertures, the first barb of 121-, 13- lock tubes clamping area, 14- depressions Area, 15- demarcation strips, 151- avoidance area, 161- rotation slots, 162- storage tanks, 17- main parts, the buttons of 171- first set portion, 1711- Guide surface, 18- lids, the first Access Divisions of 181-, 1811- blocked holes, the second Access Divisions of 182-, 1821- elastic arms, 1822- cards Hook, 19- spacing boards, the buttons of 191- second set portion, the first accommodating areas of 1911-, the second accommodating areas of 1912-, 2- casings, 3- lock tubes, 31- Lockhole, the second barb of 311-, 312- separation troughs, 32- lock tubes Access Division, 321- inclined arms, 322- bending grooves, the connection of 4- optical fiber Device, 41- optical fiber, 42- lug bosses, 5- optical occluder components, 51- shadow shields, 511- rotation axis, 512- are arranged axis, 513- limiting slots, 514- limit holes, 52- elastic needles, 521- elastic tips.

Embodiment

It is clearer for the technical solution and the technique effect that reaches that make technical problem that the utility model solves, use, Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

Such as Fig. 1~Figure 15, the fiber adapter of dust-proof shading is present embodiments provided.Specifically, the light of dust-proof shading Fine adapter includes adapter main body 1 and optical occluder component 5, and adapter main body includes main part 17 and lid 18.Main part 17 Depression forms the dented space with both direction opening, and lid 18 is clamped with main part 17, and closes one of dented space Opening, forms the port 11 with an opening, and the both sides of adapter main body 1 are relatively set with multiple ports 11, and port 11 is used In connection optical fiber connector 4.Optical occluder component 5 includes the shadow shield 51 that can close and open port 11, each two phase of homonymy Neighboring terminal mouth 11 shares a shadow shield 51, and specifically, every side of the fiber adapter of the present embodiment has 4 ports 11, often Two adjacent ports 11 share a shadow shield 51.Two shadow shields 51 in Fig. 5, the port corresponding to a shadow shield 51 Optical fiber connector 4 is inserted in 11, therefore shadow shield 51 is in open mode.Port 11 corresponding to another shadow shield 51 is Idle state, therefore be closed, the inside of fiber adapter is entered to avoid exterior light and dust.The present embodiment Fiber adapter cover two ports 11 at the same time using shadow shield 51, it is no longer necessary to be individually for each port and be equipped with shading Plate 51, it is possible to reduce the outfit quantity of shadow shield 51.Importantly, the installation time of fiber adapter can be reduced, improve Efficiency of assembling, greatly reduces manual assembly cost.It is used cooperatively in addition, fiber adapter is typically also each two port 11, because This is generally not in only to use a port 11, and causes another port 11 to be opened and contaminated situation.

For the first end of shadow shield 51 formed with rotation axis 511, it is common to share two adjacent ports 11 of a shadow shield 51 With port, the opposite inner wall of common port is respectively arranged with the rotation slot 161 adapted to rotation axis 511, and shadow shield 51 rotates Moving axis 511 rotates, and to open or close common port, rotation slot 161 laterally deviates from lid from main part 17 close to the one of lid 18 The direction of body 18 opens up, and lid 18 covers rotation slot 161.

When shadow shield 51 is installed, after the opening that first can close shadow shield 51 along coverd part 18 loads, then by lid 18 close with the clamping of main part 17, and installation is very convenient.Letter is both assembled by way of clamping between lid 18 and main part 17 Singly and main part 17 and lid 18 can be fixedly secured, and need not additionally increase other fixed structures.Further, since lid 18 are clamped from the side of main part 17, not enclose and are set as a framework and are set in again outside main part 17, therefore, the clamping of lid 18 The thickness at position can not limit the material of lid, expanded the selection space of material with bigger.In the present embodiment, it is main Body portion 17 is integrally formed, it is ensured that and the structural strength of main part 17, main part 17 are made with lid 18 of same material, than Such as, it is manufactured from plastic, can be by injection molding etc., and main part 17 is identical with the color of lid 18 so that work as lid After 18 are connected on main part 17, the overall solid colour of adapter main body 1.

In the present embodiment, separated between two adjacent ports 11 of a shared shadow shield 51 by demarcation strip 15, point Offered on partition plate 15 and avoid area 151, the middle part of shadow shield 51 is located at demarcation strip 15, and the both sides of shadow shield 51 are located at two respectively In a port 11, avoid area 151 and the end movement locus of shadow shield 51 is adapted, avoid interference with shadow shield 51.Specifically, Shadow shield 51 in the present embodiment rotates in port 11, therefore, it is arc-shaped to avoid area 51.

As shown in figure 5, optical occluder component 5 further includes elastic needle 52, elastic needle 52, which opens, two elastic tips 521, shading Plate 51 is rotatably connected with adapter main body 1, and inner wall of two elastic tips 521 respectively with shadow shield 51 and adapter main body 1 supports Connect, to keep 51 close port 11 of shadow shield.Two elastic tips 521 of the elastic needle 52 in Fig. 5 for the state freely opened, After practical set, the elastic tip 521 upwarped in Fig. 5 can be connected to the inner wall of adapter main body 1 (herein in lid 18 Wall).When leaving unused in port 11, shadow shield 51 is pressed to the state of closing by elastic needle 52.When insertion optical fiber connector 4 in port 11 When, shadow shield 51 is forced into open position, and make it that two elastic tips 521 of elastic needle 52 are bringing together.

In the present embodiment, the arc-shaped setting in the middle part of elastic needle 52, easy to keep the two of elastic needle 2 elastic tips 521 Open.As shown in Fig. 5, Fig. 9 and Figure 10, in the present embodiment, shadow shield 51 is inwardly offered through shadow shield 51 from first end Wears groove, wears groove, which is horizontally arranged with, is arranged axis 512, and wears groove is arranged axis 512 and is separated into close to the limiting slot 513 of first end and remote From the limit hole 514 of first end, the middle part of elastic needle 52, which is sheathed on, is arranged axis 512, and is placed in limiting slot 513, elastic needle It is also beneficial to and is arranged in the middle part of 52 arcs after axis 512 is socketed and rotates.One elastic tip 521 of elastic needle 52 is from limit hole 514 Middle to stretch out and abutted with shadow shield 51, another elastic tip 521 is abutted with the inner wall of adapter main body 1.Limit hole 514 can limit Surely the position of the elastic tip 521 extended there through, the middle part of elastic needle 52 is set in be arranged on axis 512 after, limited by limiting slot 513 Position, can be spacing to elastic needle 52 well by limiting slot 513 and limit hole 514.Also, elastic needle 52 can be hidden in In limiting slot 513, avoid exposing to outside rotation axis 511, avoid interfering with the inner wall of adapter main body 1.In addition, as shown in figure 4, The inner wall of adapter main body 1 is in elastic tip 521 and is arranged at axis 512 and offers corresponding storage tank 162, due in the present embodiment In, the lid 18 of adapter main body 1 is covered on shadow shield 51, and therefore, storage tank 162 is located at the inner surface of lid 18.It is accommodating Groove 162 can be further spacing to elastic tip 521, also avoids interfering between elastic needle 52 and lid 18.In the present embodiment, wears groove Positioned at 15 corresponding position of demarcation strip, therefore, elastic needle also is located at demarcation strip 15, can be made from middle part compression diaphragm 51 51 middle part stress of shadow shield is obtained, is conducive to keep the stress balance of shadow shield 51, and the space of port 11 will not be taken.

In the present embodiment, optical fiber connector 4 has the lug boss 42 that can be compressed and spring back, and the side wall of port 11 is set The concave part 14 of accommodating lug boss 42 is useful for, concave part 14 does not run through the side wall of port 11.Adapter main body 1 is split in lid After body 18 and main part 17, lid 18 and main part 17 do not re-form the structure for enclosing the frame set, and are analogous to semiclosed Structure, therefore, can be from the internal concave part 14 set not through inner wall, finally so that adapter master in injection molding The concave part 14 of body 1 will not run through inner wall, will not form through hole, it is not necessary to additionally fixed using metal framework, it is cost-effective, It is and easy to assembly.There are dented space two to be open, when lid 18 forms port 11 from the one of opening of outer closures, no Space inside port 11 can be impacted.Not only assembled by way of clamping between lid 18 and main part 17 it is simple but also Main part and lid can be fixedly secured.

In order to realize that lid 18 and main part 17 are clamped, lid 18 includes lid main body and the first Access Division 181, lid main body Both sides projection goes out the first Access Division 181, and outer wall of the main part 17 in the both sides of dented space is provided with the first button and sets portion 171, lid Main body closing opening, the first Access Division 181 and the first button set portion 171 and coordinate clamping.Specifically, opened on the first Access Division 181 Equipped with blocked hole 1811, the first button sets portion 171 and is formed from the outer wall projection of main part 17, and the first button sets portion 171 close to lid 18 side is provided with guide surface 1711, in order to which the first Access Division 181 is clamped.When the first Access Division 181 is to main part 17 When direction is clamped, the first Access Division 18 first will gradually be opened along guide surface 1711, until the button of blocked hole 1811 and first sets portion 171 Coordinate.Guide surface 1711 can guide the first Access Division 18 to open, easy to complete clamping process.The first Access Division that both sides are set 181 and first button set the stress balance that portion 171 can keep lid 18 and main part 17 in both sides.In order to further keep stress First Access Division 181 of the both sides of main part 17, can be symmetrical arranged by balance.In order to strengthen between main part 17 and lid 18 Clamping, two or more first Access Divisions 181 can be set in every side of main part 17.

As shown in Fig. 4, Fig. 6 and Fig. 7, in the present embodiment, the side of adapter main body 1 is provided with multiple dented spaces, Separated between adjacent dented space by spacing board 19, lid main body closes the opening of multiple dented spaces, forms multiple ports 11, second is provided with spacing board 19 and buckles the portion of setting 191, the projection of lid main body forms the second Access Division 182, the second Access Division 182 with Second button sets portion 191 and is clamped.When lid 18 closes multiple dented spaces at the same time, in order to further enhance lid 18 and main part Bonding strength between 17, at this point it is possible to which the central region (with 19 corresponding position of spacing board) in lid main body sets second to buckle If portion 191, to strengthen the connection at the middle part of lid main body and main part 17.One dented space can form a port 11, Multiple ports 11 can be formed.In the present embodiment, a dented space forms two ports 11 in itself, adjacent port it Between separated by demarcation strip 15.

Specifically, the second Access Division 182 includes elastic arm 1821 and the grab 1822 for being convexly equipped in 1821 end of elastic arm, Second button sets portion 191 as the first accommodating area 1911 and the second accommodating area 1912 opened up on spacing board 19, the first accommodating area 1911 accommodating elastic arms 1821, the second accommodating area 1912 house grab 1822, and grab 1822 is connected in the second accommodating area 1912 Cell wall, the second Access Division 182 and spacing board 19 are clamped.First accommodating area 1911 and the second accommodating area 1912 house elasticity respectively Arm 1821 and grab 1822, can protrude spacing board 19 to avoid the second Access Division 182, the optical fiber connector 4 in port 11 is made Into interference.

In the present embodiment, fiber adapter further includes casing 2 and casing 3.The both sides of adapter main body 1 are provided with port 11, the corresponding port 11 in both sides is connected by collar aperture 12, and the inside projection of first end of collar aperture 12 forms the first barb 121, in the present embodiment, the first end of collar aperture 12 is one end in port 11.Connected with the second end of collar aperture 12 The inner wall of port 11 be provided with concave lock tube clamping area 13, lock tube clamping area 13 can be the structures such as hole or groove.

Casing 2 is used to be directed at the optical fiber 41 stretched into from the both ends of casing 2, and casing 2 can be copper pipe etc., for the ease of assembling Into collar aperture 12, casing 2 can also in axial direction open a bar groove, to allow casing 2 to be compressed to a certain extent.

Lock tube 3 can be easily manufactured with injection molding.The lockhole 31 that lock tube 3 is provided through, lockhole 31 and collar aperture 12 Diameter is identical, and lock tube 3 forms lock tube Access Division 32 in the outer wall projection of lockhole 31, and lock tube Access Division 32 can be perpendicular to lockhole 31 Axially direction is opened and compressed, and the inside projection of first end of lockhole 31 forms the second barb 311.When lock tube Access Division 32 When opening and being caught in lock tube clamping area 13, the second end of lockhole 31 is docked with the second end of collar aperture 12, with containment sheath 2, and It is spacing to the both ends of casing 2 respectively by the first barb 121 and the second barb 311.

Since lock tube 3 has the lock tube Access Division 32 that can be opened and be compressed, lock tube 3 can be directly from port 11 outside is pressed inwardly at collar aperture 12, until when lock tube Access Division 32 enters concave lock tube clamping area 13, lock tube Access Division 32 can open and is clamped with lock tube clamping area 13, it is not necessary to can be by the lockhole of lock tube 3 using hot pressing or welding etc. 31 and collar aperture 12 be aligned.Since collar aperture 12 sets the first barb 121, second barb is set in the lockhole 31 of lock tube 3 311, one end of casing 2 can be placed in lockhole 31 or collar aperture 12 in advance, during lock tube 3 is pressed into, casing 2 The other end gradually stretch into collar aperture 12 or lockhole 31, until when collar aperture 12 and lockhole 31 are aligned, the both ends of casing 2 can be distinguished It is spacing by the first barb 121 and the second barb 311, it is locked in completely in collar aperture 12 and lockhole 31, so that locked In adapter main body 1.

The fiber adapter of the utility model locks casing 2 by the way of lock tube 3, and casing 2 is during press-in It will not be extruded by the first barb 121 or the second barb 311, not interfere with the precision of casing 2.The assembling process of casing 2 The modes such as hot pressing or welding need not be used, direct cold setting, technique is simple, easy to assembly, and will not be to miscellaneous part Extra influence is caused, the quality of fiber adapter can be improved.Also, adapter main body 1 can use at collar aperture 12 Integrally formed mode, improves the structural strength of adapter main body 1.

In order to enable lock tube Access Division 32 can open and compressed perpendicular to 31 axially direction of lockhole, such as Fig. 8 institutes Show in the present embodiment, can have and the inclined inclined arm of the axial direction of lockhole 31 in the end set of lock tube Access Division 32 321, inclined arm 321 can keep opening and being compressed.Inclined arm 321 allows to be deformed inward when being subject to the pressure of side direction, Recovery is sprung back again when space allows so that lock tube Access Division 32 is connected in lock tube clamping area 31.In the present embodiment, tilt The outer end of arm 321 is tilted to close to the direction of the second barb 311, since lock tube 31 is from the second barb 311 to collar aperture 12 direction is pressed into port 11, therefore, can when the outer end of inclined arm 321 is to close to the inclination of the direction of the second barb 311 In the form of being formed and be buckled to, it is possible to prevente effectively from lock tube 3 outwards departs from lock tube clamping area 31.Bent for the ease of inclined arm 321 Deformation, lock tube Access Division 32 can also open up bending groove 322 in the inner bending place of inclined arm 321, bend the side wall of groove 322 It will not mutually be extruded when inclined arm 322 is bent, be conducive to inclined arm 322 and bend.

In addition to the mode of above-mentioned setting inclined arm 322, in the present embodiment, can also inwardly it be opened from one end of lockhole 31 If separation trough 312, lock tube Access Division 32 is located on 312 corresponding outer wall of separation trough, when lock tube Access Division 32 is pressurized, separation trough The outer wall of 312 both sides closes up into separation trough 312.By setting separation trough 312, it can cause the outer wall of 312 both sides of separation trough Can inwardly it close up, so as to allow lock tube Access Division 32 to move inward and be flared out.In addition, by adjusting separation trough 312 Length, can also adjust the rigidity of lock tube 3, that is, adjusts lock tube Access Division 321 and compressed and kept the ability opened.Work as separation trough When 312 length is long, lock tube Access Division 321 is easier to be compressed, when the length of separation trough 312 is shorter, lock tube card Socket part 321 is less susceptible to be compressed, and can more keep opening.

Certainly, set the mode of separation trough 312 can be with the setting inclined arm 321 on lock tube Access Division 32 on lock tube 3 Mode combine so that lock tube Access Division 32 can be realized by two structures be compressed and be opened, and be further ensured that structure Reliability.

In the present embodiment, lock tube Access Division 32 is located at the second end of lockhole 31, is connected with the second end of collar aperture 12 The side wall of port 11 be provided with corresponding lock tube clamping area 13 after being clamped with lock tube clamping area 13, lock tube Access Division 32 can be with Lock tube 3 directly is fixed from the second end of lockhole 31, is conducive to keep pair of the second end of lockhole 31 and the second end of collar aperture 12 Connect stabilization.In order to further keep lock tube 3 and collar aperture 12 to dock, the inner wall where the second end of collar aperture 12 is clamped with lock tube Portion 32 is adapted close to the surface of collar aperture 12, and in the present embodiment, both are plane.Where the second end of collar aperture 12 Axial direction of the inner wall perpendicular to collar aperture 12.After lock tube Access Division 32 is caught in lock tube clamping area 13, lock tube Access Division 32 is leaned on The surface of nearly collar aperture 12 is connected to the inner wall where the second end of collar aperture 12 completely, the support lock that whole plane can be stablized Set 3, keeps the stabilization of lock tube 3.

In the present embodiment, the both sides of lock tube 3 are symmetrical arranged lock tube Access Division 32 so that the both sides uniform force of lock tube 3, It is further ensured that to dock between lock tube 3 and collar aperture 12 and stablizes.The end of lock tube Access Division 32 can linearly be set, lock tube card It is bar-shaped trough to meet area 13, after lock tube Access Division 32 is caught in lock tube clamping area 13, can be rotated to avoid lock tube Access Division 32, and whole A lock tube Access Division 32 is along straight line uniform force.

Above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications Limitation to the utility model.

Claims (10)

1. a kind of fiber adapter of dust-proof shading, it is characterised in that including adapter main body (1) and optical occluder component (5), institute Stating adapter main body (1) includes：

Main part (17), depression form the dented space with both direction opening；

Lid (18), is clamped with the main part (17), and closes an opening of the dented space, and being formed, which has one, opens The port (11) of mouth, the both sides of the adapter main body (1) are relatively set with multiple ports (11), and the port (11) is used In connection optical fiber connector (4)；

The optical occluder component (5) includes to close and opening the shadow shield (51) of the port (11), each two phase of homonymy The adjacent port (11) shares a shadow shield (51), the first end of the shadow shield (51) formed with rotation axis (511), Two adjacent ports (11) for sharing a shadow shield (51) are common port, the common port it is opposite interior Wall is respectively arranged with the rotation slot (161) adapted to the rotation axis (511), and the shadow shield (51) is around the rotation axis (511) rotate, to open or close the common port, the rotation slot (161) is from the main part (17) close to lid (18) one laterally opens up away from the direction of the lid (18), and the lid (18) covers the rotation slot (161).

2. fiber adapter as claimed in claim 1, it is characterised in that share a shadow shield (51) two are adjacent Separated between the port (11) by demarcation strip (15), offered on the demarcation strip (15) and avoid area (151), the shading The middle part of plate (51) is located at the demarcation strip (15) place, and the both sides of the shadow shield (51) are located at two ports (11) respectively Interior, avoidance area (151) and the end movement locus of the shadow shield (51) are adapted.

3. fiber adapter as claimed in claim 2, it is characterised in that the optical occluder component (5) further includes elastic needle (52), the elastic needle (52), which is opened, two elastic tips (521), described two elastic tips (521) respectively with the shadow shield (51) abutted with the inner wall of the adapter main body (1), to keep the shadow shield (51) to close the port (11).

4. fiber adapter as claimed in claim 3, it is characterised in that the arc-shaped setting in middle part of the elastic needle (52).

5. fiber adapter as claimed in claim 4, it is characterised in that the shadow shield (51) is inwardly opened from the first end Equipped with the wears groove through the shadow shield (51), the wears groove, which is horizontally arranged with, is arranged axis (512), and the wears groove is arranged by described Axis (512) is separated into the limiting slot (513) close to the first end and the limit hole (514) away from the first end, the bullet Property pin (52) in the middle part of be sheathed on it is described be arranged axis (512), and be placed in the limiting slot (513), the elastic needle (52) An elastic tip (521) stretch out from the limit hole (514) and abutted with the shadow shield (51), another elastic tip (521) inner wall with the adapter main body (1) abuts.

6. fiber adapter as claimed in claim 5, it is characterised in that it is corresponding that the wears groove is located at the demarcation strip (15) Position, the inner wall of the adapter main body (1) the elastic tip (521) and it is described be arranged axis (512) place offer it is corresponding Storage tank (162).

7. such as claim 1~6 any one of them fiber adapter, it is characterised in that the optical fiber connector (4) has can With the lug boss (42) for compressing and springing back；

The side wall of the port (11) is provided with the concave part (14) for housing the lug boss (42), the concave part (14) The side wall of the port (11) is not run through.

8. fiber adapter as claimed in claim 7, it is characterised in that the concave part (14) is located at the main part (17) The inner wall opposite with the lid (18) on.

9. fiber adapter as claimed in claim 7, it is characterised in that the both sides of the adapter main body (1) are provided with end Mouth (11), the port (11) of both sides pass through collar aperture (12) and connect, the inside projection shape of first end of described sleeve pipe hole (12) Into the first barb (121), the inner wall of the port (11) connected with the second end of described sleeve pipe hole (12) is provided with concave lock Set clamping area (13)；

The fiber adapter further includes casing (2) and lock tube (3), and described sleeve pipe (2) is used to be aligned from the two of described sleeve pipe (2) Hold the optical fiber (41) stretched into, the lockhole (31) that the lock tube (3) is provided through, the lockhole (31) and described sleeve pipe hole (12) Diameter it is identical, the lock tube (3) forms lock tube Access Division (32) in the outer wall projection of the lockhole (31), lock tube clamping Portion (32) can open and compressed perpendicular to the lockhole (31) axially direction, and the first end of the lockhole (31) is to convex If form the second barb (311)；

When the lock tube Access Division (32) is opened and is caught in lock tube clamping area (13), the second end of the lockhole (31) with The second end docking in described sleeve pipe hole (12), to accommodate described sleeve pipe (2), and passes through first barb (121) and described Second barb (311) is spacing to the both ends of casing (2) respectively.

10. fiber adapter as claimed in claim 9, it is characterised in that the end set of the lock tube Access Division (32) has With the inclined inclined arm of axial direction (321) of the lockhole (31), the inclined arm (321) can keep opening and being compressed.