CN106154427A - There is the fiber adapter of shading piece - Google Patents

Abstract

The fiber adapter of the present invention includes body, inner housing, sliding part, shading piece, spring and cover plate.Body has axial room, and the first wall of body is provided with and accesses opening.Inner housing can be inserted in room by accessing opening, and it includes the cylinder of hollow, the front of flange extend.Sliding part is arranged in room, and can move towards the second opening of room.Shading piece includes fixed part, light shielding part and connecting portion.Fixed part is fixed on sliding part, and can move along with sliding part.Light shielding part is arranged in room, and extends to cylindrical opening front.Connecting portion is then connected with light shielding part and fixed part.Spring is arranged in room, it is possible to promoted towards the first opening of room by sliding part.Cover plate then covers and accesses opening on the first wall.

Description

There is the fiber adapter of shading piece

Technical field

The relevant a kind of fiber adapter of the present invention, particularly about a kind of fiber adapters with shading piece Device.

Background technology

Owing to optical fiber has high frequency range, low-loss advantage, the most it is widely used as the transmission matchmaker of signal It is situated between.For making signal can be sent to farther distance, high-power laser diode just arises, thus The energy coupleding to optical fiber is greatly increased.But, the infrared beam of above-mentioned high intensity is by the one of optical fiber When end-fire goes out, human eye also cannot judge the presence or absence of light beam, if the eyes of operator the most directly expose Under the beam, the permanent injury of vision can often be caused.

Refer to Fig. 1, known fiber adapter (fiber adapter) 100 has a body 110, body 110 are provided with by the room 120 of a plurality of 160 cinctures of sidewall, can respectively with the joints of optical fibre docked (fiber connector) 190 connects.Breach 130 is offered on sidewall 160, can be with right by breach 130 Projection 192 clamping on the adapter 190 connect, has the function of para-position.Additionally, two opposite side walls 160 Outside be provided with recess 140, it can install clamping shell fragment (not shown), in order to help adapter 100 In assembling location when using.When the joints of optical fibre 190 insert the room 120 of adapter 100, warp By the tail optical fiber (pigtail) 194 of adapter 190 from the high power light of sleeve pipe (ferrule) 196 end face injection Bundle, can be through the room 120 of adapter 100 other end, if without the obstruct of veil, it would be possible to straight Connect and be radiated on eyes, cause the impaired of vision.In general, the room 120 of adapter 190 is not plugged Can clog with a stopper 180, to prevent the pollution of dust and to cover light beam, when adapter 190 to be plugged Time, then stopper 180 is taken off.But, above-mentioned stopper 180 easily loses and drops, and taking off During, human eye is the most likely exposed under the light beam that adapter 190 is conducted.

Refer to Fig. 2, the fiber adapter 200 of a kind of known tool shaded effect, in room 120 Opening arranges covering 250, and its side is articulated in body 110, utilizes the elastic force of torque spring 260 to make Hide 250 openings covering room 120, to prevent the injection of light beam.If being intended to the joints of optical fibre 190 Insert in room 120, first must start hiding 250, adapter 190 could be inserted.Above-mentioned tool hides The adapter 200 of lid 250, must be processed its body 110, covering 250 just can be made to be articulated in it On.Therefore, the making of adapter 200 is complex, and cost is the highest.

Refer to Fig. 3, a kind of known to be used in the preventer 300 of fiber adapter 100 in wherein The opening of empty cover body 310 arranges covering 350, and the side hiding 350 is articulated in cover body 310, profit Covering 350 is made to cover the opening of cover body 310 with the elastic force of torque spring 360.The cover body 310 of hollow Can be enclosed within the body 110 of adapter 100, to cover breach 130 and the opening of room 120, anti- Stop the injection of light beam and avoid the pollution of dust.But, if requiring nothing more than the function with shading, above-mentioned anti- Protection unit 300 also seems that structure is complicated, and manufacturing cost is the highest.

In view of this, just there is a need to propose a kind of scheme, to solve the problems referred to above.

Summary of the invention

It is an object of the invention to provide a kind of fiber adapter, can cover by the light beam emitted by room, Light beam is thereby avoided to injure eyes.

For reaching above-mentioned purpose, the fiber adapter of the present invention include body, inner housing, sliding part, one Shading piece, spring and cover plate.Body has axial room, by the first wall, the second wall, the 3rd wall With the 4th the defined formation of wall, wherein the first wall and the 3rd wall are relative, and are connected with the second wall and the 4th wall. Two axial ends of room are respectively provided with the first opening and the second opening, and are provided with on the first wall and access out Mouthful.Inner housing can be inserted in room by accessing opening, and wherein inner housing includes the cylinder of hollow, Extended by the front of its flange.Sliding part is arranged in room, and can be by the joints of optical fibre towards appearance Second opening of room promotes.Shading piece includes fixed part, light shielding part and connecting portion.Fixed part is fixed On sliding part, and can move along with sliding part.Light shielding part is arranged in room, and extends to cylinder The opening front of body.Connecting portion is then connected with light shielding part and fixed part.Spring is arranged in room, energy Enough sliding part is promoted towards the first opening of room.Cover plate then covers and accesses opening on the first wall.

In order to above and other objects of the present invention, feature and advantage can be become apparent from, send out for cited below particularly Bright embodiment, and coordinate appended diagram, it is described in detail below.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of known fiber adapter and the joints of optical fibre.

Fig. 2 has the axonometric chart of fiber adapter of shaded effect known to being.

Fig. 3 is used in the axonometric chart of preventer of fiber adapter known to being.

Fig. 4 is the axonometric chart of the known LC type joints of optical fibre.

Fig. 5 is the three-dimensional exploded view of the fiber adapter of the present invention.

Fig. 6 is the axonometric chart of the body of the fiber adapter of the present invention.

Fig. 7 is the axonometric chart of the inner housing of the fiber adapter of the present invention.

Fig. 8 a is the axonometric chart of the shading piece of the fiber adapter of the present invention.

Fig. 8 b is another axonometric chart of the shading piece of the fiber adapter of the present invention.

Fig. 9 a is the axonometric chart of the sliding part of the fiber adapter of the present invention.

Fig. 9 b is another axonometric chart of the sliding part of the fiber adapter of the present invention.

Figure 10 is spring and the axonometric chart of cover plate of the fiber adapter of the present invention, and wherein spring is arranged on On cover plate.

Figure 11 is the axonometric chart of the fiber adapter of the present invention.

The joints of optical fibre are inserted in the fiber adapter of the present invention by Figure 12 to Figure 13 display.

Description of reference numerals

100 fiber adapter 110 bodies

120 room 130 breach

140 recess 160 sidewalls

170 groove 180 stoppers

190 joints of optical fibre 192 projections

194 tail optical fiber 196 sleeve pipes

200 fiber adapter 250 hide

260 torque spring 300 preventers

310 cover bodies 350 hide

360 torque spring 400 joints of optical fibre

410 housing 411 roofs

The 412 right walls of diapire 413

414 left wall 416 openings

420 fasten sub 421 projections with a bolt or latch

425 hinge 426 lugs

440 sleeve pipe 450 axis

460 projection 500 bodies

511 roof 512 diapires

513 right wall 514 left wall

515 partition wall 516 breach

The 526 right right openings of room 526a first

The left room of the right opening of 526b second 528

528a first left opening 528b the second left opening

532 lug 534 lugs

536 guide channel 538 guide channels

550 access opening 600 inner housing

610 cylinder 612 openings

620 flange 622 fronts

624 back side 700 shading pieces

710 light shielding part 712 projections

720 connecting portion 722 breach

730 fixed part 731 transverse sides

732 longitudinal side 736 fixing holes

740 enhanced portion 750 fixation hooks

752 projection 800 sliding parts

810 base 811 transverse sides

812 longitudinal side 813 lower surfaces

814 upper surfaces 820 are by pushing block

830 are pushed away projection 840 guide pins

850 fixed part 852 fixing holes

856 projection 900 cover plates

910 storage tank 920 guide channels

930 engaging piece 990 springs

Detailed description of the invention

With reference to Fig. 4, the known LC type joints of optical fibre 400 generally have the external form of rectangle, its section Face is square.Adapter 400 includes hollow and rectangular housing 410, its have roof 411, Diapire 412, right wall 413 and left wall 414, the rightest wall 413 is relative with left wall 414, and and roof 411 and diapire 412 be connected.Roof 411 is provided with and has elastic door bolt 420, fasten son 420 with a bolt or latch and connect The housing 410 connecing device 400 forms one, has the hinge 425 of a meeting activity, can allow prominent bottom it The central axis 450-450 of ear (tab) 426 perpendicular connectors moves up and down.Door bolt 420 has a pair and dashes forward Playing 421, position is in the opposite sides of lug 426.It addition, sleeve pipe (ferrule) 440 is positioned at housing 410 In, and stretched out by the circular open 416 of housing 410 front end.Spring it is additionally provided with (not in housing 410 Diagram), sleeve pipe 440 can be allowed to move back and forth before and after opening 416.Additionally, on the right side of housing 410 Wall 413, with in left wall 414, is also respectively provided with two relative projections 460.

With reference to Fig. 5, the fiber adapter with shading piece of the present invention, e.g. LC duplex optical fiber Adapter include a body 500 formed with plastics model, a pair inner housing 600, shading piece 700, Sliding part 800, cover plate 900 and spring 990.Refer to Fig. 6, the inside of body 500 has axially Room, by being parallel to right wall 513 and left wall 514 and the separation being connected with roof 511 and diapire 512 Wall 515 is divided into two parts, and wherein the middle section of partition wall 515 is formed with breach 516.By roof 511, Diapire 512, partition wall 515 and right wall 513 defined for right room 526, it has at axial direction There are two the first relative right opening 526a and the second right opening 526b；And by roof 511, diapire 512, Partition wall 515 and left wall 514 defined for left room 528, it is relative that it has two at axial direction First left opening 528a and the second left opening 528b.Be provided with outside body 500 a pair lug 532, 534.Lug 532 is on right wall 513, and lug 534 then position is in left wall 514.Lug 532 With 534 in order to body 500 is fixed on a surface.Access opening 550 on roof 511, can Two inner housings 600 are allowed to insert in the axial room of body 500.Right wall 513 in right room 526 With on partition wall 515, being respectively formed with guide channel 536, it is right towards second by the first right opening 526a Opening 526b extends, and extends close to breach 516.And the left wall 514 in left room 528 With on partition wall 515, being respectively formed with guide channel 538, it is left towards second by the first left opening 528a Opening 528b extends, and extends close to breach 516.

Refer to Fig. 7, two inner housings 600 are identical, and are formed with plastics in the way of ejection formation. Each inner housing 600 includes that the cylinder 610 of two hollows, the front end of each cylinder 610 have opening 612.End end at cylinder 610 is then provided with generally rectangular shaped flange 620, that is two cylinders 610 fronts 622 being formed at flange 620.Two inner housings 600 are connected to by respective flange 620 Together, in order to define two common cylinders.The gross thickness of two flanges 620 is equal to partition wall 515 The width of breach 516.The cylinder 610 of two inner housings 600 is coaxial in being placed on body 510, and Define two common cylinders.

Refer to Fig. 8 a and Fig. 8 b, shading piece 700 has elasticity, and it is integrally formed by metal, bag Light shielding part 710, connecting portion 720 and fixed part 730 are included.Connecting portion 720 and light shielding part 710 and Fixed part 730 is connected, and it is the most u-shaped, i.e. connecting portion 720 has the surface of arc, and tool There is a breach 722.Light shielding part 710 can be formed by a piece of flat board or by plural pieces flat board is connected, institute State light shielding part 710 to move relative to fixed part 730.When light shielding part 710 is by thrust, it can paste Nearly fixed part 730；And after thrust disappears, light shielding part 710 can be because the elastic returning of self be in situ. Being formed with the projection 712 of circle on light shielding part 710, its size and location are for can substantially block cylinder The opening 612 of 610.Fixed part 730 is the most rectangular, has a pair horizontal side 731 and To longitudinal side 732, wherein a transverse sides 731 is connected to connecting portion 720, and another cross side Then it is formed with a fixation hook 750 on limit 731, described fixation hook 750 is formed the projection 752 of circle. Being formed with at least one on fixed part 730, the fixing hole 736 of e.g. two rectangles, described two fix Hole 736 is respectively close to two longitudinal sides 732.In order to increase the rigidity of fixed part 730, each longitudinal side Having vertically extended enhanced portion 740 on 732, described two enhanced portion 740 are the most rectangular.

Refer to Fig. 9 a and Fig. 9 b, sliding part 800 has base 810, and described base 810 is generally Rectangular, there is the side 812 of a pair horizontal side 811 and a pair longitudinal direction.Base 810 times On surface 813, be formed rectangle by pushing block 820, its position adjoins the transverse sides 811 of tail end. On the upper surface 814 of base 810, be formed with longitudinal strip is pushed away projection 830.Pushed away The both sides of projection 830, are respectively formed with the guide pins 840 of longitudinal strip.And horizontal from front end Side 811, extends and has fixed part 850, and described fixed part 850 is formed the projection of two rectangles 856, respectively in order to engage with the fixing hole 736 on shading piece 700.It is also formed with on fixed part 850 Fixing hole 852, engages for the fixation hook 750 on shading piece 700.

Refer to Figure 10, cover plate 900 is the most rectangular, is provided with the storage tank of two longitudinal directions 910, for placing spring 990, and also can allow and pushed away projection 830 compression spring 990 on sliding part 800. And in the both sides of each storage tank 910, respectively it is formed with guide channel 920, respectively for leading on sliding part 800 Draw pin 840 to slide therein.It addition, be also formed with a plurality of longitudinal engaging piece 930 on cover plate 900, E.g. grab, can engage with partition wall 515 with right wall 513, the left wall 514 of body 500 respectively.

When assembling the fiber adapter of the present invention, the fixation hook 750 on shading piece 700 is inserted slip Fixing hole 852 on part 800, to engage with described fixing hole 852, dashing forward on sliding part 800 simultaneously Play 856 to engage with the fixing hole 736 on shading piece 700 respectively, make the fixed part 730 of shading piece 700 It is securely seated between on sliding part 800.After shading piece 700 and sliding part 800 are completed, then with Sliding part 800 forward, the posterior mode of shading piece 800, by accessing opening 550 on body 500, From the centre of left room 528 near the place of the breach 516 of partition wall 515, insert left room 528 In.The method inserted is to allow two longitudinal sides 812 of sliding part 800 base 810 distinguish positions at left room In two guide channels 538 of 528, and slide towards the first left opening 528a.Inner housing 600 is inserting body Before 500, first the back side 624 of the flange 620 of two inner housings 600 is fitted, be first about to two inner housings 600 assemble.Come the fixed part 730 of shading piece 700 cocked together with light shielding part 710 again, and by group The inner housing 600 installed is inserted in body 500 by accessing opening 550, allows the convex of two inner housings 600 Edge 620 inserts in the breach 516 of partition wall 515.Then fixed part 730 is put down, then will be equipped with The cover plate 900 of spring 990 covers and accesses opening 550, allows the projection 830 that pushed away on sliding part 800 support It is connected on one end of spring 990, and cover plate 900 is pressed to body 500, make the engaging piece on cover plate 900 930 engage with partition wall 515 with right wall 513, the left wall 514 of body 500 respectively.Cover plate 900 fills After on, above the fixed part 730 of shading piece 700, slide in the part meeting position of spring 990 simultaneously Part 800 can be pushed to the first left opening 528a by spring 990 together with shading piece 700, and shading piece 700 Light shielding part 710 on projection 712 can position in opening 612 front of the cylinder 610 of inner housing 600. It addition, on sliding part 800 pushed away projection 830 can position and be connected to spring 990 in storage tank 910 One end, guide pins 840 is then positioned at the guide channel 920 of spring 990 both sides.Figure 11 shows The present invention be completed after fiber adapter.

With reference to Figure 12, when the joints of optical fibre 400 do not insert in body 500 from the first left opening 528a, bullet Spring 990 can push sliding part 800 to the first left opening 528a, at this moment light shielding part together with shading piece 700 The part meeting position of 710 is in opening 612 front of the cylinder 610 in the face of the first left opening 528a.If The joints of optical fibre are had to insert in body 500 from the second left opening 528b, from the light of joints of optical fibre injection When bundle is penetrated by the opening 612 of cylinder 610, portion 710 can be blocked and interdicted, therefore avoid light Bundle injures eyes.

Refer to Figure 12 and Figure 13, when the joints of optical fibre 400 insert body from the first left opening 528a In 500, its door bolt 420 hinge 425 can touch sliding part 800 by pushing block 820, therefore push away Move sliding part 800.Longitudinal side 812 of sliding part 800 base 810 is respectively at left room 528 Sliding in two guide channels 538, guide pins 840 is slided the most respectively in guide channel 920, makes sliding part 800 can smoothly move towards the second left opening 528b.At the same time, sliding part 800 pushed away projection 830 can slide and compression spring 990 in storage tank 910.The sliding part 800 pushed away can drive shading Part 700, and make light shielding part 710 slide on cylinder 610.When the joints of optical fibre 400 are pushed into location Time, light shielding part 710 is pushed away the flange 620 crossing inner housing 600, and is pushed into opposite side cylinder 610 And in the space between fixed part 730.If the joints of optical fibre 400 are extracted body 500, the bullet of pressurized Spring 990 can promote sliding part 800 to move to original position towards the first left opening 528a, and drives shading piece 700 move, at this moment light shielding part 710 no longer pressurized and because the back stretch of self returns back in situ, to have There is the function of blocking light beam.

Although shading piece is arranged in left room by aforesaid illustrating, but technology neck belonging to the present invention Territory has usually intellectual it will be appreciated that shading piece may also be arranged on right room or left and right room is equal Arrange.Though additionally, the present invention illustrates with the fiber adapter of LC duplex, but the present invention Art has usually intellectual it will also be appreciated that according to the fiber adapter of the present invention can be LC either simplex type, SC duplex, SC either simplex type or the fiber adapter of other pattern.

Although the present invention discloses with previous embodiment, but it is not limited to the present invention, Ren Heben Tool usually intellectual in technical field that the present invention belongs to, without departing from the spirit and scope of the present invention, when Can make various changes or modifications.Therefore protection scope of the present invention is when regarding front attached right institute circle The person of determining is as the criterion.

Claims (10)

1. a fiber adapter, in order to make two joints of optical fibre docking, described fiber adapter includes:

Body, has axial room, by the first wall, the second wall, the 3rd wall and the 4th the defined shape of wall Becoming, wherein said first wall is relative with described 3rd wall, and is connected with described second wall and described 4th wall, Two axial ends of described room are respectively provided with the first opening and the second opening, and the joints of optical fibre can be by described One opening or described second opening insert in described room, and described first wall is provided with and accesses opening；

Inner housing, is inserted in described room by the described opening that accesses, and described inner housing includes:

Flange, has front and the back side；And

The cylinder of hollow, is extended by the front of described flange；

Sliding part, is arranged in described room, wherein inserts by described first opening when the described joints of optical fibre When entering in described room, described sliding part can be opened towards the second of described room by the described joints of optical fibre Mouth promotes；

Have resilient shading piece, including:

Fixed part, is fixed on described sliding part, and can move along with described sliding part；

Light shielding part, is arranged in described room, and extends to described cylindrical opening front；And

Connecting portion, is connected with described light shielding part and described fixed part；

Spring, is arranged in described room, in order to by described sliding part towards the first opening of described room Promote；And

Cover plate, covers and accesses opening on described first wall.

2. fiber adapter as claimed in claim 1, wherein, the second wall of described body and the 4th wall On be respectively formed with guide channel, within it slide for described sliding part.

3. fiber adapter as claimed in claim 1, wherein, described cover plate is formed with storage tank, Described spring is arranged in described storage tank.

4. fiber adapter as claimed in claim 3, wherein, described sliding part is formed pushed away prominent Rise, in order to compress described spring.

5. fiber adapter as claimed in claim 1, wherein, described cover plate is formed with guide channel, It is formed with guide pins, in order to slide in described guide channel on described sliding part.

6. fiber adapter as claimed in claim 1, wherein, when the described joints of optical fibre are by described the Time in the one opening described room of insertion, the light shielding part of described shading piece can be driven by described sliding part and cross The flange of described inner housing.

7. fiber adapter as claimed in claim 1, wherein, described sliding part is formed with fixing hole, Described shading piece also includes:

Fixation hook, extends from a side of described fixed part, and inserts in described fixing hole.

8. fiber adapter as claimed in claim 7, wherein, described fixation hook is formed with projection.

9. fiber adapter as claimed in claim 1, wherein, the fixed part of described shading piece is formed At least one fixing hole, described sliding part is had to include:

At least one projection, engages with described fixing hole.

10. fiber adapter as claimed in claim 1, wherein, described shading piece further includes:

Two enhanced portion, vertically extend from the limit, two opposite sides of described fixed part.