CN108983366A - Underground coal mine cold joint apparatus for optical fiber - Google Patents
Underground coal mine cold joint apparatus for optical fiber Download PDFInfo
- Publication number
- CN108983366A CN108983366A CN201811013906.1A CN201811013906A CN108983366A CN 108983366 A CN108983366 A CN 108983366A CN 201811013906 A CN201811013906 A CN 201811013906A CN 108983366 A CN108983366 A CN 108983366A
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- China
- Prior art keywords
- shaped
- groove
- fixing groove
- docking
- optical fiber
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
- G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3881—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using grooves to align ferrule ends
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
A kind of underground coal mine cold joint apparatus for optical fiber provided by the invention, including docking pedestal, the fixing seat at left and right sides of docking pedestal；It is provided in the docking pedestal for the O-shaped to bracket groove of bare fibre docking；The O-shaped length direction to bracket groove is parallel with the docking length direction of pedestal；The docking pedestal upper surface sinks to being formed positioned at the O-shaped V-type accumulator tank to above bracket groove and for saving matching fluid, the O-shaped top to bracket groove is inserted into the bottom of the V-type accumulator tank, and the bottom of the V-type accumulator tank, which is arranged, is connected to vertical intercommunicating pore to bracket groove inner cavity with O-shaped；The present invention can be achieved with the cold docking of optical fiber in the case where not needing pre-buried fibre and can supplement or replace in use optical fiber matching fluid, and the present apparatus is easy to install and use, adapts to the use environment of underground coal mine.
Description
Technical field
The present invention relates to coal mining engineering fields, and in particular to a kind of underground coal mine cold joint apparatus for optical fiber.
Background technique
Underground coal mine optical fiber is all using hot melt connection technology at present, and without dedicated sloppy heat connection device, this kind of welding mode is deposited
In following disadvantage: first, there is the local welding of methane gas dangerous；Second, fusion splice quantity is picked by hot melt
Reserve battery limitation；Third, thermal welding weight weight are inconvenient to carry.
And traditional cold joint apparatus for optical fiber, in two fiber alignments, since there are gap, Fresnel reflections for profile of optic fibre
Cause fibre loss big, the matching fluid of refractive index identical as optical fiber need to be increased at fiber alignment, optical fiber is made to be immersed in matching fluid
In, it reduces Fresnel reflection, guarantee that optical signal along straightline propagation, increases the percent of pass of optical signal, reduces loss.But matching fluid
It is volatile and be mixed into impurity and then muddy, and then lead to that optical signal percent of pass is low, loss is big.Existing optical fiber is cold
Connection device is usually to be filled with matching fluid in advance at fiber alignment slot when leaving the factory, and muddy cannot be replaced after factory
It is supplemented with liquid, or to the matching fluid of volatilization, causes the service life of each cold joint apparatus for optical fiber short.Especially in coal mine
Under need a kind of long service life, cold joint apparatus for optical fiber stable and reliable for performance.
Summary of the invention
In view of this, not needing pre-buried fibre the object of the present invention is to provide a kind of underground coal mine cold joint apparatus for optical fiber
In the case of can be achieved with the cold docking of optical fiber and can supplement or replace in use optical fiber matching fluid, present apparatus installation and make
With conveniently, the use environment of underground coal mine is adapted to.
The present invention provides a kind of underground coal mine cold joint apparatus for optical fiber, including docks pedestal, is located at left and right sides of docking pedestal
Fixing seat；
It is provided in the docking pedestal for the O-shaped to bracket groove of bare fibre docking；The O-shaped length direction to bracket groove
It is parallel with the docking length direction of pedestal；
The docking pedestal upper surface sinks to being formed to be saved positioned at the O-shaped V type to above bracket groove and for saving matching fluid
The O-shaped top to bracket groove is inserted into slot, the bottom of the V-type accumulator tank, the bottom of the V-type accumulator tank and O-shaped in bracket groove
The distance in bottom of chamber face is greater than the diameter of section of bare fibre；The bottom of the V-type accumulator tank be provided with width less than fibre diameter and
Width be less than O-shaped centering slot cross-section radius and V-type accumulator tank inner cavity is connected to vertical intercommunicating pore to bracket groove inner cavity with O-shaped；Institute
The length direction for stating V-type accumulator tank is parallel with length direction of the O type to bracket groove；Sealing is provided at the top of the V-type accumulator tank
Lid；
The fixing seat includes fixed lid and bottom seat,；It is half O-shaped to be provided with that Open Side Down for the lower surface of the fixed lid
Fixing groove I；The base upper surface sinks to being formed, opening and half O-shaped fixing groove I face identical as half O-shaped I shape of fixing groove
Half O-shaped fixing groove II；When pedestal and fixed cover buckle connect, half O-shaped O-shaped II snapping of fixing groove of fixing groove I and half forms O-shaped fixation
Slot；The fixing seat is embedded with close to O-shaped one end to bracket groove by O-shaped fixing groove one end and the O-shaped sealing being connected to bracket groove
Circle；The sealing ring is provided with radius from O-shaped fixing groove to the O-shaped frustum of a cone slot being gradually reduced to bracket groove, the frustum of a cone slot
O-shaped one end to bracket groove is provided with O-shaped docking groove, described O-shaped fixing groove one end passes sequentially through frustum of a cone slot, O-shaped docking
Slot is connected to bracket groove with O-shaped；The sealing ring, O-shaped fixing groove, frustum of a cone slot, O-shaped docking groove and O-shaped bracket groove is coaxially set
It sets；The other end of the O-shaped fixing groove is connected to external environment；
Further, the diameter of section of the O-shaped fixing groove is less than or equal to the diameter of section for wrapping optical fiber rindy, is greater than
The diameter of section of bare fibre；The O-shaped docking groove is less than the diameter of section of O-shaped fixing groove；The O-shaped diameter to bracket groove is greater than
The diameter of section of bare fibre.
Further, described half O-shaped fixing groove II be fixedly installed internal diameter be less than the diameter of section for wrapping optical fiber rindy and
Rubber snap ring for fixed packet optical fiber rindy；The outer diameter of the rubber snap ring is greater than the diameter of O-shaped fixing groove；
The half O-shaped fixing groove II sinks to being formed and rubber snap ring bottom in the close bottom surface for being connected to one end with external environment
The conformal matched snap ring mounting groove in side, the rubber snap ring bottom side are fixed in snap ring mounting groove, make rubber snap ring and O
The coaxial arrangement of type fixing groove；
Half O-shaped I lower surface of fixing groove is provided with the clamping that Open Side Down and is open with snap ring installation channel opening face
Slot；The clamping groove and the conformal matching of rubber snap ring top side, the clamping groove is for being clamped rubber snap ring top side.
Further, the fixed lid side is hinged by the fixing axle and pedestal parallel with O-shaped fixing groove length direction, Gu
The other side Ding Gai is fixedly connected by fastening bolt with pedestal, and the opening and half O-shaped fixing groove II of described half O-shaped fixing groove I are made
Opening snapping.
Further, sealing cover lower surface surrounding is downwardly extending flange, is fixedly installed in the lower surface of flange
Seal cap sealing circle；
The docking pedestal upper surface raises upward to form lateral wall and flange inner sidewall in the opening surrounding of V-type accumulator tank
Conformal matched flange, for fastening V-type accumulator tank and sealing cover；
The sealing cover is fixedly connected by installation bolt with pedestal is docked；The docking pedestal upper surface sinks to forming use
In the bolt mounting groove of installation bolt, the installation screw bolt passes flange and seal cap sealing circle, under the installation bolt
End is fixed in bolt mounting groove, and the installation bolt is screwed with sealing cover, the installation bolt and bolt mounting groove spiral shell
Line is fixed.
Beneficial effects of the present invention: the present invention can be achieved with the cold docking of optical fiber in the case where not needing pre-buried fibre and can
Optical fiber matching fluid is supplemented or replaces in use, the present apparatus is easy to install and use, and adapt to underground coal mine uses ring
Border.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is elevational cross-sectional view of the invention；
Fig. 3 is left view cross-sectional view of the invention；
Fig. 4 is top view of the invention.
Specific embodiment
As shown in Figure 1, a kind of underground coal mine cold joint apparatus for optical fiber provided by the invention, as shown in Figures 1 to 4, the present invention
A kind of underground coal mine cold joint apparatus for optical fiber provided, including docking pedestal 1, the fixing seat 2 positioned at 1 left and right sides of docking pedestal；
It is provided in the docking pedestal 1 for the O-shaped to bracket groove 11 of bare fibre docking；The O-shaped length to bracket groove 11
It is parallel with the docking length direction of pedestal 1 to spend direction；
Docking 1 upper surface of pedestal sinks to being formed stores up positioned at the O-shaped V-type to above bracket groove 11 and for saving matching fluid
Store slot 12, the O-shaped top to bracket groove 11 is inserted into the bottom of the V-type accumulator tank 12, the bottom of the V-type accumulator tank 12 with it is O-shaped
Be greater than the diameter of section of bare fibre to the distance of the inner chamber bottom surface of bracket groove 11, can to bare fibre the O-shaped position to bracket groove 11 into
Row limit, makes bare fibre become smaller O-shaped to range moveable in bracket groove 11, avoids pair of two bare fibres for needing to dock
It connects end to be staggered too greatly, improves the merging precision of entire underground coal mine cold joint apparatus for optical fiber, reduce the loss of optical signal transmission；
The bottom of the V-type accumulator tank 12 is provided with width less than fibre diameter and width be less than it is O-shaped to 11 section radius of bracket groove and
12 inner cavity of V-type accumulator tank is connected to vertical intercommunicating pore 13 to 11 inner cavity of bracket groove with O-shaped；The length direction of the V-type accumulator tank 12
With it is O-shaped parallel to the length direction of bracket groove 11；Sealing cover 14 is provided at the top of the V-type accumulator tank 12；It, can in the present embodiment
It is preset in V-type accumulator tank 12 full matching fluid will to be filled to bracket groove 11 and V-type accumulator tank 12 by O-shaped, when O-shaped to bracket groove 11
Middle matching fluid volatilization, or when installing or taking out the optical fiber for needing to dock, from it is O-shaped bracket groove 11 is leaked out when, in V-type accumulator tank 12
Matching fluid by vertical intercommunicating pore 13 directly to O-shaped to 11 complementary matching liquid of bracket groove.As stored in V-type accumulator tank 12
When inadequate with liquid, openable sealing cover 14 injects matching fluid by the top open part of V-type accumulator tank 12.In addition, working as O-shaped centering
When matching fluid is muddy in slot 11 or is mixed into other impurities, whole device is overturn, sealing cover 14 is opened, by O-shaped in bracket groove 11
Matching fluid is successively poured out from vertical intercommunicating pore 13 and 12 top opening of V-type accumulator tank, then whole device is ajusted, and is saved by V-type
The top open part of slot 12 injects matching fluid.
The fixing seat 2 includes fixing lid 21 and pedestal 22,；The lower surface of the fixed lid 21 is provided with what Open Side Down
Half O-shaped fixing groove I 231；22 upper surface of pedestal sinks to being formed, opening and half O-shaped identical as half O-shaped I 231 shape of fixing groove
The O-shaped fixing groove II 232 of the half of I 231 face of fixing groove；When pedestal 22 and fixed 21 snapping of lid, half O-shaped fixing groove I 231 and half O
II 232 snapping of type fixing groove forms O type fixing groove 23；The fixing seat 2 is embedded with close to O-shaped one end to bracket groove 11 by O
23 one end of type fixing groove and the O-shaped sealing ring 24 that bracket groove 11 is connected to；The sealing ring 24 is provided with radius from O-shaped fixing groove
23 to the O-shaped frustum of a cone slot 241 being gradually reduced to bracket groove 11, and the frustum of a cone slot 241 is set close to the one end of O type to bracket groove 11
It is equipped with O-shaped docking groove 242, described O-shaped 23 one end of fixing groove passes sequentially through frustum of a cone slot 241, O-shaped docking groove 242 and O-shaped centering
Slot 11 is connected to；The sealing ring 24, O-shaped fixing groove 23, frustum of a cone slot 241, O-shaped docking groove 242 and O-shaped bracket groove 11 is coaxially set
It sets；The other end of the O-shaped fixing groove 23 is connected to external environment；
In the present embodiment, O-shaped fixing groove 23 is arranged by half O-shaped fixing groove I 231 and half O-shaped II 232 snapping shape of fixing groove
At, when needing to install docking optical fiber 3, open and open fixed lid 21 above pedestal 22, i.e., by half O-shaped fixing groove I 231 from
Half O-shaped fixing groove II 232 is opened, and docking one crust of the optical fiber 3 docked will be needed to peel off, by O-shaped docking groove 242 II
Be inserted into rubber ring, and then be inserted into it is O-shaped in bracket groove 11, the optical fiber 3 of docking is not surrounded by crust and packet junction rindy, against
In frustum of a cone slot 241, the optical fiber 3 of 241 pairs of frustum of a cone slot docking is positioned；Then again by subsequent packet optical fiber 3 rindy
It is placed in half O-shaped fixing groove I 231, then will open fixed lid 21 and 22 snapping of pedestal, i.e. half O type fixing groove I 231 and half
O-shaped II 232 snapping of fixing groove can will need the optical fiber docked to be fixed on suitable docking location, the fixed seal ring
24, for being sealed to frustum of a cone slot 241 and O-shaped docking groove 242, reduce or avoid the leakage of matching fluid.Specifically, O-shaped right
Bracket groove 11 flows to the matching fluid in frustum of a cone slot 241 by O-shaped docking groove 242, and optical fiber 3 is surrounded by crust and does not wrap rindy
Junction is under the extruding of matching fluid, and crust and fixed seal ring 24 deform, in the crust end face contacted with matching fluid and fixation
Contact pressure is caused on sealing ring 24, contact pressure is greater than the internal pressure of matching fluid, avoids the leakage of matching fluid.
The fixed seal ring 24 ensure that from the O-shaped matching fluid flowed out to bracket groove 11 not from frustum of a cone slot 241 and O-shaped
The side wall of docking groove 242 is lost, and reduces the loss of matching fluid, extend into V-type accumulator tank 12 complementary matching liquid when
Between be spaced.
The O-shaped fixing groove 23, frustum of a cone slot 241, O-shaped docking groove 242 and it is O-shaped to bracket groove 11 be coaxially disposed, ensure that
The fibre core of optical fiber 3 is docked in same level, bending is avoided to lead to a large amount of losses of optical signal.By above structure, it is being not required to
It wants to can be achieved with the cold docking of optical fiber in the case where pre-buried fibre and can supplement or replace in use optical fiber matching fluid, this dress
It sets easy to install and use, adapts to the use environment of underground coal mine.
The diameter of section of the O-shaped fixing groove 23 is less than or equal to the diameter of section for wrapping optical fiber 3 rindy, is greater than naked light
Fine diameter of section；The O-shaped docking groove 242 is less than the diameter of section of O-shaped fixing groove 23；The O-shaped diameter to bracket groove 11
Greater than the diameter of section of bare fibre, the optical fiber 3 that ensure that needs dock wraps part rindy, can be solid in O-shaped fixing groove 23
It is fixed motionless, and ensure that the optical fiber 3 that needs dock is surrounded by sheath portion and does not wrap junction rindy, circle can be clamped on
In frustum slot 241, meanwhile, it ensure that two need the optical fiber docked to be coaxially disposed in whole device, docking end face can be right
Standard improves merging precision, reduces the loss of optical signal transmission.
The half O-shaped fixing groove II 232 is fixedly installed internal diameter and is less than the diameter of section for wrapping optical fiber 3 rindy and is used for
The rubber snap ring 25 of fixed packet optical fiber rindy；The outer diameter of the rubber snap ring 25 is greater than the diameter of O type fixing groove 23；
The half O-shaped fixing groove II 232 sinks to being formed and rubber snap ring in the close bottom surface for being connected to one end with external environment
The conformal matched snap ring mounting groove of 25 bottom sides, 25 bottom side of rubber snap ring are fixed in snap ring mounting groove, make rubber
Glue snap ring 25 and O-shaped fixing groove 23 are coaxially disposed；
Half O-shaped I 231 lower surface of fixing groove is provided with the card that Open Side Down and is open with snap ring installation channel opening face
Access slot；The clamping groove and the conformal matching of 25 top side of rubber snap ring, the clamping groove is for being clamped 25 top of rubber snap ring
Side.In the optical fiber that installation needs to dock, opens and open fixed lid 21 above pedestal 22, i.e., by half O-shaped fixing groove I
231 open from half O-shaped fixing groove II 232, by optical fiber pass through rubber snap ring 25, put in place, then will open by
Fixed lid 21 and 22 snapping of pedestal, i.e., by half O-shaped fixing groove I 231 and half O-shaped II 232 snapping of fixing groove, due to rubber snap ring 25
Internal diameter be less than the diameter of section for wrapping optical fiber rindy, will will further wrap optical fiber clamping rindy, and avoid fiber alignment
When shake, improve merging precision, reduce the loss of optical signal transmission.
21 side of fixed lid is hinged by the fixing axle 26 and pedestal 22 parallel with O-shaped 23 length direction of fixing groove,
Fixed 21 other side of lid is fixedly connected by fastening bolt 211 with pedestal 22, make the half O type fixing groove I 231 opening and
The opening snapping of half O-shaped fixing groove II 232.By above structure, flange 141 opens fixed lid 21 above pedestal 22, or
Fixed lid 21 is fastened with pedestal 22, optical fiber is fixedly mounted in fixing seat 2, does not shake, improve merging precision.
The 14 lower surface surrounding of sealing cover is downwardly extending flange 141, is fixedly installed in the lower surface of flange 141
Seal cap sealing circle 142；
Docking 1 upper surface of pedestal raises upward to form lateral wall and flange 141 in the opening surrounding of V-type accumulator tank 12
The conformal matched flange 121 of inner sidewall, for fastening V-type accumulator tank 12 and sealing cover 14；
The sealing cover 14 is fixedly connected by installing bolt 143 with pedestal 1 is docked；Under 1 upper surface of docking pedestal
The heavy bolt mounting groove 15 formed for installing bolt 143, the installation bolt 143 sequentially passes through flange 141 and sealing cover is close
Seal 142,143 lower end of installation bolt are fixed in bolt mounting groove 15, the installation bolt 143 and 14 spiral shell of sealing cover
Line is fixed, and the installation bolt 143 is screwed with bolt mounting groove 15.The seal cap sealing circle 142 ensure that V-type is stored up
It stores the matching fluid in slot 12 and is not lost at the top of V type accumulator tank 12 and lost, pass through above structure, it is convenient to turn over sealing cover 14
It opens, matching fluid is injected or poured out from V type accumulator tank 12.
In description of the invention, it is to be understood that term " on ", "lower", "top", "bottom", "front", "rear", "inner",
The orientation of instructions such as "outside", " vertical ", " parallel ", " transverse direction ", " longitudinal direction ", " vertical ", " length direction " and " width direction " or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (5)
1. a kind of underground coal mine cold joint apparatus for optical fiber, it is characterised in that: including docking pedestal, at left and right sides of docking pedestal
Fixing seat；
It is provided in the docking pedestal for the O-shaped to bracket groove of bare fibre docking；The O-shaped length direction to bracket groove with it is right
The length direction for connecing pedestal is parallel；
The docking pedestal upper surface sinks to being formed positioned at the O-shaped V-type accumulator tank to above bracket groove and for saving matching fluid, institute
The O-shaped top to bracket groove, the bottom of the V-type accumulator tank and the O-shaped inner chamber bottom surface to bracket groove are inserted into the bottom for stating V-type accumulator tank
Distance be greater than bare fibre diameter of section；The bottom of the V-type accumulator tank be provided with width less than fibre diameter and width it is small
In O-shaped centering slot cross-section radius and V-type accumulator tank inner cavity is connected to vertical intercommunicating pore to bracket groove inner cavity with O-shaped；The V-type storage
Store slot length direction with it is O-shaped parallel to the length direction of bracket groove；Sealing cover is provided at the top of the V-type accumulator tank；
The fixing seat includes fixed lid and bottom seat,；The lower surface of the fixed lid is provided with the half O-shaped fixing groove that Open Side Down
Ⅰ；The base upper surface sink to being formed it is identical as half O-shaped I shape of fixing groove, be open with it is the half of half O-shaped I face of fixing groove O-shaped
Fixing groove II；When pedestal and fixed cover buckle connect, half O-shaped O-shaped II snapping of fixing groove of fixing groove I and half forms O-shaped fixing groove；It is described
Fixing seat is embedded with close to O-shaped one end to bracket groove by O-shaped fixing groove one end and the O-shaped sealing ring being connected to bracket groove；It is described
Sealing ring is provided with radius from O-shaped fixing groove to the O-shaped frustum of a cone slot being gradually reduced to bracket groove, and the frustum of a cone slot is close to O-shaped
O-shaped docking groove is provided with to one end of bracket groove, described O-shaped fixing groove one end pass sequentially through frustum of a cone slot, O-shaped docking groove with it is O-shaped
Bracket groove is connected to；The sealing ring, O-shaped fixing groove, frustum of a cone slot, O-shaped docking groove and it is O-shaped to bracket groove be coaxially disposed；It is described O-shaped
The other end of fixing groove is connected to external environment.
2. underground coal mine cold joint apparatus for optical fiber according to claim 1, it is characterised in that: the section of the O-shaped fixing groove is straight
Diameter is less than or equal to the diameter of section for wrapping optical fiber rindy, greater than the diameter of section of bare fibre；The O-shaped docking groove is less than O
The diameter of section of type fixing groove；The O-shaped diameter to bracket groove is greater than the diameter of section of bare fibre.
3. underground coal mine cold joint apparatus for optical fiber according to claim 2, it is characterised in that: the half O-shaped fixing groove II is fixed
Internal diameter is provided with to be less than the diameter of section for wrapping optical fiber rindy and be used for the rubber snap ring of fixed packet optical fiber rindy；It is described
The outer diameter of rubber snap ring is greater than the diameter of O-shaped fixing groove；
The half O-shaped fixing groove II sinks to being formed and rubber snap ring bottom side in the close bottom surface for being connected to one end with external environment
Conformal matched snap ring mounting groove, the rubber snap ring bottom side are fixed in snap ring mounting groove, make rubber snap ring with it is O-shaped solid
Determine slot coaxial arrangement；
Half O-shaped I lower surface of fixing groove is provided with the clamping groove that Open Side Down and is open with snap ring installation channel opening face；Institute
Clamping groove and the conformal matching of rubber snap ring top side are stated, the clamping groove is for being clamped rubber snap ring top side.
4. underground coal mine cold joint apparatus for optical fiber according to claim 3, it is characterised in that: the fixed lid side by with O
The parallel fixing axle of type fixing groove length direction and pedestal are hinged, and the fixed lid other side connects by the way that fastening bolt and pedestal are fixed
It connects, makes the opening snapping of the opening and half O-shaped fixing groove II of described half O-shaped fixing groove I.
5. underground coal mine cold joint apparatus for optical fiber according to claim 1, it is characterised in that: the sealing cover lower surface four is circumferential
Under extend to form flange, be fixedly installed seal cap sealing circle in the lower surface of flange；
The docking pedestal upper surface raises upward to form lateral wall and flange inner sidewall is conformal in the opening surrounding of V-type accumulator tank
Matched flange, for fastening V-type accumulator tank and sealing cover；
The sealing cover is fixedly connected by installation bolt with pedestal is docked；The docking pedestal upper surface sinks to being formed for pacifying
The bolt mounting groove of bolt, the installation screw bolt passes flange and seal cap sealing circle are filled, the installation bolt lower end is solid
It is scheduled in bolt mounting groove, the installation bolt is screwed with sealing cover, and the installation bolt and bolt mounting groove screw thread are solid
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013906.1A CN108983366A (en) | 2018-08-31 | 2018-08-31 | Underground coal mine cold joint apparatus for optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013906.1A CN108983366A (en) | 2018-08-31 | 2018-08-31 | Underground coal mine cold joint apparatus for optical fiber |
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| Publication Number | Publication Date |
|---|---|
| CN108983366A true CN108983366A (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013906.1A Pending CN108983366A (en) | 2018-08-31 | 2018-08-31 | Underground coal mine cold joint apparatus for optical fiber |
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| CN (1) | CN108983366A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058357A (en) * | 2019-04-29 | 2019-07-26 | 宁波天韵通信设备有限公司 | Fiber active linker |
| CN110244406A (en) * | 2019-06-21 | 2019-09-17 | 蚌埠学院 | A kind of portable network test equipment |
| CN115291336A (en) * | 2022-07-06 | 2022-11-04 | 福建省邮电规划设计院有限公司 | Network communication optical cable connector |
Citations (5)
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| JP2004126304A (en) * | 2002-10-03 | 2004-04-22 | Ntt Advanced Technology Corp | Member and method for connection of optical fiber |
| CN201152903Y (en) * | 2008-02-01 | 2008-11-19 | 上海建宝光纤技术有限公司 | Optical fiber joint |
| KR20100007449A (en) * | 2008-07-14 | 2010-01-22 | 주식회사 골드텔 | Connecting tube of the optical cable |
| CN102902019A (en) * | 2011-07-25 | 2013-01-30 | 上海宽岱电讯科技发展有限公司 | Optical fiber connector |
| CN104238034A (en) * | 2013-06-13 | 2014-12-24 | 林军亮 | Single-core optical fiber cold connector |
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| JP2004126304A (en) * | 2002-10-03 | 2004-04-22 | Ntt Advanced Technology Corp | Member and method for connection of optical fiber |
| CN201152903Y (en) * | 2008-02-01 | 2008-11-19 | 上海建宝光纤技术有限公司 | Optical fiber joint |
| KR20100007449A (en) * | 2008-07-14 | 2010-01-22 | 주식회사 골드텔 | Connecting tube of the optical cable |
| CN102902019A (en) * | 2011-07-25 | 2013-01-30 | 上海宽岱电讯科技发展有限公司 | Optical fiber connector |
| CN104238034A (en) * | 2013-06-13 | 2014-12-24 | 林军亮 | Single-core optical fiber cold connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058357A (en) * | 2019-04-29 | 2019-07-26 | 宁波天韵通信设备有限公司 | Fiber active linker |
| CN110244406A (en) * | 2019-06-21 | 2019-09-17 | 蚌埠学院 | A kind of portable network test equipment |
| CN115291336A (en) * | 2022-07-06 | 2022-11-04 | 福建省邮电规划设计院有限公司 | Network communication optical cable connector |
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Application publication date: 20181211 |
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