Fiber adapter
Technical field
The present invention relates to a kind of adapter for signal transmission, particularly relate to a kind of fiber adapter.
Background technology
Along with the development of science and technology, networking industry is also in constantly development.Fiber adapter, connects as one
Adapter between optical fiber and optical fiber, is widely used, application include communication, LAN, fiber to the home,
The field such as Fibre Optical Sensor, High-Quality Video Transmission.
In existing fiber adapter, the port major part for intelligent acess is exposed in atmosphere, is easily accessible ash
Dirt affects fiber-optic transfer performance, and during fiber-optic transfer, if when people looks at straight during optical fiber adapter port,
The laser of port inner fiber work is easily burnt the eyes of people, there is potential safety hazard.Existing fiber adapter
In, having band protective cap or the fiber adapter of protection door, protective cap is used for covering the end of fiber adapter
Mouthful, protection door is by folding being turned on and off the port of fiber adapter.But, the light of band protective cap
Fine adapter, its protective cap typically uses plug-in to assemble, is easily lost;The fiber adapter of band protection door,
Gap can be left so that sealing effectiveness is the best, and the protection door having during protection door close port and between port
Folding direction be outside, also make the sealing effectiveness after protecting door to close the best, thus dust-proof, light blocking
Poor effect.Additionally, the housing of existing fiber adapter is generally integrative-structure, it is not easy to dismounting, with clearly
Clean internal end surface.Therefore, after using a period of time, fiber adapter enclosure interior the most unavoidably accumulates
The impurity such as dust, still can affect the transmission performance of optical fiber.
Summary of the invention
The technical problem to be solved in the present invention is, the defect existed for existing correlation technique, it is provided that a kind of
Fiber adapter, dust-proof, light blocking is effective, shell is detachable, is beneficial to cleaning enclosure and accesses outside
Optical fiber plug end face in shell.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of fiber adapter, including
Relative engagement removably connects the first housing of integral shell and the second housing, described first housing and
It is respectively provided with the first cavity and the second cavity in two housings, described first housing is formed connection described first
First opening inserted for Optical fiber plug of cavity, described second housing is formed described second cavity of connection
For Optical fiber plug insert the second opening;
Being provided with the protection door for closing described first opening in described first cavity, described protection door is rotatable
Being connected to described first opening side, described first opening inner side is provided with and described protection door deadend is existed
On described first opening and limit described protection door and turn to the sealing ring outside described first cavity;Described protection
Being provided with between door and described first inner walls face resets described protection door is enclosed on described first opening
Elastic reset part.
Preferably, described fiber adapter also includes optical fiber alignment device;Described optical fiber alignment device includes this
Body, described body be provided with through described body opposite sides for optical fiber insert docking several side by side
Slot or jack;
The side that described first housing and the second housing next-door neighbour connect is provided with through described first cavity respectively
With the first groove portion and the second groove portion of the second cavity, described first groove portion and the second groove portion are interconnected, described
Optical fiber alignment device is arranged in described first groove portion and the second groove portion, described slot or jack two ends court respectively
To and connect described first cavity and the second cavity.
Preferably, being provided with doorframe in described first cavity, described doorframe is connected to the inner side of described first opening
On Zhou Duan, described sealing ring is connected at described doorframe towards on the side of described first cavity.
Preferably, described protection door includes that door-plate, described door-plate are rotatably connected described by the first rotating shaft
First opening side;Described elastic reset part is rotatably connected in described first inner walls by the second rotating shaft
On face, and first elastic arm of described elastic reset part one end is resisted against on described first inner walls face, institute
The second elastic arm stating the elastic reset part other end is resisted against the plate face of the most described first opening of described door-plate
On.
Preferably, described door-plate one end is through being bent to form curved bend folding part;Described first rotating shaft the most described
One opening place plane is parallel is positioned at described first opening side, and the two ends of described first rotating shaft are connected to
Described first housing is relative on two internal faces, and described door-plate is coordinated described first by described curved bend folding part
In rotating shaft, the most described first opening can be rotatably connected in described first housing in folding.
Preferably, described second rotating shaft and described first rotating shaft are positioned at described first opening the same side, and described
The two ends of the second rotating shaft are connected to described first housing relative on two internal faces, described elastic reset part set
It is located at and is rotatably connected in described first housing in described second rotating shaft.
Preferably, the described first inner walls face of corresponding described elastic reset part is provided with for described elasticity multiple
Position part houses spacing stopper slot.
Preferably, described second housing is provided with the button arm that described first housing extends, described first shell
Body is provided with the buckle matched with described button arm, and described second housing is fastened on described card by described button arm
Buckle described first housing of connection.
Preferably, described first housing and the second housing respectively by one side next-door neighbour connection group integral outside
Shell, described first housing and the second housing next-door neighbour connect side be provided with can cooperate by the first housing
The location division being located by connecting with the second housing;Described location division includes that projection is at described first housing or the second shell
Several locating dowels on the described side of body and correspondence are in described second housing or the described side of the first housing
On set to the concave formed hole, location.
Preferably, it is additionally provided with the described side of sealing between the side that described first housing and the second housing next-door neighbour connect
The sealing member in gap between face.
Preferably, described first housing includes the first main body and the cover plate being provided with peristome, described peristome with
Described first opening is positioned on the not ipsilateral of described first main body, and described peristome connects described first chamber
Body;Described cover plate coordinates on described peristome, with described first shell that described first main body connects into entirety
Body;At least side of described cover plate is provided with clamping part, and at least side of described peristome is correspondingly provided with buckling parts,
Described cover plate is in mating connection in described first main body by clamping part and buckling parts.
Preferably, described second hull outside is arranged with panel and buckles, and the opposite sides that described panel is buckled is provided with bullet
Arm.
Implement the method have the advantages that the fiber adapter of the present invention, by built-in protection door and
Sealing ring coordinates the opening that can close this fiber adapter, protection door to insert with Optical fiber plug and inwardly rotate and beat
Opening, extracts with Optical fiber plug and is automatically switched off opening, reaches the most dust-proof, the effect of light blocking;And light
The precise centering of optical fiber alignment device, beneficially Optical fiber plug also can be provided with in fine adapter;Additionally, optical fiber is fitted
The shell of orchestration can freely be dismantled in two housings part, inside convenient for cleaning and be inserted in Optical fiber plug therein
Fiber end face.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the fiber adapter of one embodiment of the invention;
Explosive view when Fig. 2 is that shown in Fig. 1, fiber adapter is bottom-up;
Fig. 3 is the sectional view along line A-A of the fiber adapter shown in Fig. 1;
Fig. 4 be fiber adapter shown in Fig. 3 protection door open after status architecture schematic diagram;
Fig. 5 is the structural representation after the fibre-optical splice of fiber adapter grafting shown in Fig. 1;
Fig. 6 is the longitudinal sectional drawing after the fibre-optical splice of fiber adapter grafting shown in Fig. 5.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing is detailed
Describe the detailed description of the invention of the bright present invention in detail.
As Figure 1-4, for the fiber adapter with protected door of one embodiment of the invention, including relatively
Coordinate the first housing 1 and the second housing 2 of the integral shell that removably connects, the first housing 1 and second
It is respectively provided with the first cavity 10 and the second cavity 20 in housing 2, the first housing 1 is formed with connection first
First opening 11 inserted for Optical fiber plug of cavity 10, the second housing 2 is formed connection the second cavity
Second opening 21 inserted for Optical fiber plug of 20.
The protection door 3 for closing the first opening 11 it is provided with in first cavity 10.This protection door 3 is rotatable
It is connected to the first opening 11 side, is rotated by protection door 3, can open or close the first opening 11.
It is provided with elastic reset part 4 between protection door 3 and the first housing 1 internal face, will be protected by elastic reset part 4
Protect door 3 reset to be enclosed on the first opening 11.When protecting door 3 to be promoted by external force, protect door 3 to the
In one cavity 10, the first opening 11 is opened in upset, and when external force disappears, protection door 3 is resetted by elastic reset part 4
Effect, automatic turning closes the first opening 11.Wherein, protection door 3 includes that door-plate 31, door-plate 31 pass through
First rotating shaft 51 is rotatably connected in the first opening 11 side.Elastic reset part 4 is by the second rotating shaft 52
It is rotatably connected on the first housing 1 internal face, and first elastic arm 41 of elastic reset part 4 one end supports
Leaning against on the first housing 1 internal face, the second elastic arm 42 of elastic reset part 4 other end is resisted against door-plate
On the plate face of 31 first openings 11 dorsad.When protecting door 3 rotating opening the first opening 11, the second bullet
It is close, as shown in Figure 4 that property arm 42 is pressed to the first elastic arm 41;When pressure eliminates, the second elastic arm
42 return back to origin-location because of restoring force, thus are pressed onto on the first opening 11 on protection door 3 top.
As shown in Figure 2,3, this fiber adapter also includes optical fiber alignment device 9.Optical fiber alignment device 9
Including body 91, body 91 is provided with the number inserting docking for optical fiber of through body 91 opposite sides
Individual slot side by side or jack 92.The side that first housing 1 and the second housing 2 next-door neighbour connect is provided with point
The most through first cavity 10 and the first groove portion 15 and the second groove portion 24 of the second cavity 20, this first groove portion
15 and second groove portion 24 be interconnected, optical fiber alignment device 9 is arranged on the first groove portion 15 and the second groove portion
In 24, slot or jack 92 two ends are respectively facing and connect the first cavity 10 and the second cavity 20.
In the present embodiment, as shown in Figure 2, door-plate 31 one end is through being bent to form curved bend folding part 32.
First rotating shaft 51 opposite first open 11 place plane is parallel is positioned at the first opening 11 side, the first rotating shaft
The two ends of 51 are connected on the first relative two internal faces of housing 1, and door-plate 31 is by curved bend folding part 32
In the first rotating shaft 51, opposite first open 11 can be rotatably connected in the first housing 1 in folding in cooperation.The
Two rotating shafts 52 and the first rotating shaft 51 are positioned at first opening 11 the same side, and the two ends of the second rotating shaft 52 are respectively
Being connected on the first relative two internal faces of housing 1, elastic reset part 4 is set in can in the second rotating shaft 52
It is rotatably connected in the first housing 1.Elastic reset part 4 is preferably torsion spring.
For positioning elastic return unit 4, preventing elastic reset part 4 from moving in the first housing 1, impact is protected
Protect the reset effect of door 3, such as Fig. 2, as shown in 3, in the first housing 1 of corresponding elastic reset part 4
Wall is provided with stopper slot 40, and elastic reset part 4 can be contained in stopper slot 40, the first elastic arm 41
Stretch out stopper slot 40 with the second elastic arm 42 to bear against at the first housing 1 internal face and the door of protection door 3
On plate 31.Limit it addition, the first limiting section (not shown) also can be provided with on the first housing 1 internal face
Position the first elastic arm 41, this first limiting section can be groove or projection, and the first elastic arm 41 is positioned at groove
In or be resisted against projection side.
With reference to Fig. 2,3, in order to realize protect door 3 can deadend on the first opening 11, open first
It is provided with sealing ring 6 inside mouth 11.After protection door 3 overturns to the first opening 11, protection door 3 can
It is fitted tightly on sealing ring 6, seals the gap between protection door 3 and the first opening 11, the most anti-
Only the impurity such as dust by and optical fiber laser-bounce is out during work.Additionally, the setting of this sealing ring 6 is also
Protection door 3 can be limited turn to outside the first cavity 10.Preferably, the peripheral dimension of protection door 3 is to be more than
The inner circumferential size of the first opening 11 is arranged, and sealing ring 6 can be arranged by corresponding first opening 11.
Further, being provided with doorframe 7 in the first cavity 10, doorframe 7 is connected to the inner side of the first opening 11
On Zhou Duan, sealing ring 6 is connected at doorframe 7 towards on the side of the first cavity 10.
First housing 1 and the second housing 2 are connected by one side next-door neighbour respectively and form a monolithic case, and first
Opening 11 is opened on other sides of the most above-mentioned side with the second opening 21.First housing 1 and second
Housing 2 next-door neighbour connect side be provided with can cooperate by the first housing 1 and the second housing 2 company of location
The location division connect.This location division includes the projection several location on the first housing 1 or the second housing 2 side
Post 111 and correspondence set to the concave on the second housing 2 or the first housing 1 side formed hole, location 112,
It is positioned in hole 112, location by locating dowel 111, the first housing 1 and the second housing 2 can be located by connecting.
And, the second housing 2 is provided with the button arm 22 that described first housing 1 extends, on the first housing 1
Being provided with and detain the buckle 12 that arm 22 matches, the second housing 2 is fastened on buckle 12 by button arm 22 and connects
Connect the first housing 1.By being separated on buckle 12 by button arm 22, disassembling shell can be become the first housing
1 and second housing 2.Concrete, button arm 22 is arranged on the one side of the second housing 2, and buckle 12 is right
Arm 22 should be detained be arranged on the first housing 1 one side.
It is additionally provided with sealing member 8, this sealing member between the side that first housing 1 and the second housing 2 next-door neighbour connect
8 seal the gap between two connection sides, prevent the dust gap between these two sides from entering optical fiber and fit
Inside orchestration.As shown in Figure 2, in the present embodiment, sealing member 8 is strip rubber.
In the present embodiment, as in figure 2 it is shown, the first housing 1 includes the first main body being provided with peristome 130
13 and cover plate 14, peristome 130 and the first opening 11 are positioned on the not ipsilateral of the first main body 13, and
Peristome 130 connects the first cavity 10;Cover plate 14 coordinates on peristome 130, with the first main body 13
Connect into the first housing 1 of entirety.Wherein, at least side of cover plate 14 is provided with clamping part 141, peristome
At least side of 130 is correspondingly provided with buckling parts 131, and cover plate 14 is by clamping part 141 and buckling parts 131
In mating connection in the first main body 13.The first groove portion 15 on first housing 1 can be by the first main body 13
Match formation with cover plate 14, concrete, is provided with on the side that the first main body 13 is close to the second housing 2
First junction surface 132, cover plate 14 is provided with second junction surface 142 corresponding with the first junction surface 132,
This second junction surface 142 towards the first main body 13 projection on cover plate 14.It is connected to first at cover plate 14
After in main body 13, leave space between the second junction surface 142 and the first junction surface 132, this space i.e. shape
Become the first groove portion 15, accommodating wherein for optical fiber alignment device 9.Second housing 2 outer sheath is provided with panel and buckles
23, panel is buckled the opposite sides of 23 and is provided with elastic arm 231, in order to installing and using of this fiber adapter.
With reference to Fig. 5,6, and combine shown in Fig. 1-4, when this fiber adapter uses, two Optical fiber plugs divide
Tong Guo the first opening 11 and the second opening 21 not be inserted in the first cavity 10 and the second cavity 20.One
In a little Application Examples, two Optical fiber plugs include fixing Optical fiber plug 200 (installing inside panel or equipment)
With the Optical fiber plug 100 being commonly used to needs plug.Fixing Optical fiber plug 200 is fixedly plugged in the second housing
In second cavity 20 of 2, optical fiber 201 corresponding inserted in this fixing fibre-optical splice 200 is at optical fiber alignment
In the slot of device 9 or jack 92.The Optical fiber plug 100 needing plug is main according to site of deployment grafting
In the first cavity 10 of the first housing 1, can extract when being not required to work.During Optical fiber plug 100 grafting,
By promoting protection door 3 rotating opening the first opening 11, insert in the first cavity 10 from the first opening 11,
And by optical fiber alignment device 9 centering, the optical fiber 101 in Optical fiber plug 100 plugs slot or jack
In 92, the optical fiber 201 with fixing Optical fiber plug 200 contacts connection.When fibre-optical splice 100 extracts this optical fiber
During adapter, protection door 3 is automatically brought to on the first opening 11 by elastic reset part 4 effect, closes the
One opening 11, prevents dust from entering the first housing 1 internal.Need to clean enclosure or fixing optical fiber connects
200 optical fiber 201 end face time, the first housing 1 can be separated the second housing 2, fixing light can be exposed
Optical fiber 201 end face of fine joint 200, in order to cleaning.
It is to be appreciated that in the second cavity 20 of the second housing 2, it is possible to protection door is set, to close
Second opening 21.This protection door can refer to the protection door 3 of the first housing 1 and arranges.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every profit
The equivalent structure made by description of the invention and accompanying drawing content or equivalence flow process conversion, or directly or indirectly transport
It is used in other relevant technical fields, is the most in like manner included in the scope of patent protection of the present invention.