CN208654374U - A kind of helical fibre protection structure and optical fiber - Google Patents
A kind of helical fibre protection structure and optical fiber Download PDFInfo
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- CN208654374U CN208654374U CN201821146647.5U CN201821146647U CN208654374U CN 208654374 U CN208654374 U CN 208654374U CN 201821146647 U CN201821146647 U CN 201821146647U CN 208654374 U CN208654374 U CN 208654374U
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- optical fiber
- metal spring
- fibre
- rubber parts
- helical
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Abstract
The utility model discloses a kind of helical fibres to protect structure; it is related to technical field of optical fiber communication, including spiral rubber parts and metal spring, rubber parts there are enough material thick and flexible;, it can be achieved that realizing reliable protection to naked fibre when generating vibration in transport and project installation.Skeleton is made using metal spring, whole outer diameter does not have apparent reduction when stretching in certain length, it ensure that and assembled under special scenes, melt fine feasibility, and can guarantee that laying for optical fiber meets minimum bending radius requirement, ensure the transmission performance of optical fiber.The invention also discloses a kind of optical fiber equipped with helical fibre protection structure.
Description
Technical field
The utility model relates to technical field of optical fiber communication, and in particular to a kind of helical fibre protection structure and optical fiber.
Background technique
When by fused fiber splice to a closed cavity, as shown in Figure 1, closed cavity by cylinder and end cap form, scheme
Middle left side is end cap, and right side is cylinder, has optical fiber from inner barrel between end cap and cylinder and outside end cap
Fused fiber splice needs end cap to move a certain distance to the left with respect to cylinder at this time, facilitates welding optic fibre, completes in fused fiber splice
Afterwards, it needs that end cap moves right and assembles with cylinder, forms a closed cavity.
In such assembling process, if optical fiber is in free uncontrolled state, in end cap and cylinder assembling process
In, optical fiber is easy to fracture.In transport, installation process, if optical fiber does not have reliable protective device, since naked fibre is highly brittle
It is weak, if being very easy to fracture without enough protections；Similarly, during the work time, if optical fiber is in free uncontrolled
State, then be difficult ensure optical fiber stablize fix, avoid the device contacts excessively high with temperature, on the other hand to consider wire rod
Bending radius meet the requirements, its minimum bending radius is less than when especially the optical fiber is naked fibre or when optical fiber is fixed, can pole
It is big to influence to fiber transmission performance.
Therefore, a kind of technical solution that can stablize fixed optical fiber in closed cavity and protect optical fiber is needed.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of protections of helical fibre to tie
Structure and optical fiber can stablize fixed optical fiber in closed cavity, realize and realize reliable protection to naked fibre, and guarantee optical fiber
It lays and meets minimum bending radius requirement.
To achieve the above objectives, the technical scheme adopted by the utility model is that: a kind of helical fibre protects structure, packet
It includes:
Spiral rubber parts, the rubber parts are equipped with the optical fiber accommodation groove through its head and the tail, are arranged with protection sleeve pipe
The spiral shell fibre is arranged in the optical fiber accommodation groove, and the metal spring accommodation groove through its head and the tail is additionally provided in the rubber parts；
Metal spring, the metal spring are set in the metal spring accommodation groove.
Based on the above technical solution, the optical fiber accommodation groove is set to the outside spiral of the rubber parts, the gold
Belong to the inside spiral that spring mounting groove is set to the rubber parts.
Based on the above technical solution, the central diameter of the metal spring is greater than 106mm.
Based on the above technical solution, the protection sleeve pipe is teflon sleeve.
Based on the above technical solution, the metal spring both ends are stretched out except the metal spring accommodation groove,
And the metal spring both ends are equipped with fixed part.
Based on the above technical solution, the fixed part is L-shaped.
The invention also discloses a kind of optical fiber equipped with the helical fibre protection structure: the optical fiber includes naked fibre
And the protection sleeve pipe being arranged outside naked fibre；The naked fibre and protection sleeve pipe are arranged in the optical fiber accommodation groove of the rubber parts；
The central diameter of the metal spring is greater than the bending radius of the spiral shell fibre.
Based on the above technical solution, the optical fiber accommodation groove is set to the outside spiral of the rubber parts, the gold
Belong to the inside spiral that spring mounting groove is set to the rubber parts.
Based on the above technical solution, the metal spring both ends are stretched out except the metal spring accommodation groove,
And the metal spring both ends are equipped with fixed part.
Based on the above technical solution, the fixed part is L-shaped.
Compared with the prior art, the advantages of the utility model are:
The utility model discloses a kind of helical fibres to protect structure, including spiral rubber parts and metal spring,
Rubber parts has enough material thick and flexible, can stablize fixed optical fiber in closed cavity, in transport and project installation
, it can be achieved that realizing reliable protection to naked fibre when generating vibration.Skeleton is made using metal spring, whole outer diameter is not when flexible
Have apparent reduction, it is ensured that laying for optical fiber meets minimum bending radius requirement, ensures the transmission performance of optical fiber.
The utility model discloses a kind of optical fiber equipped with helical fibre protection structure, and naked fibre is penetrated protection sleeve pipe
In, then by the light accommodation groove of protection sleeve pipe insertion rubber parts, fixed optical fiber, naked fibre can be stablized in closed cavity
There are enough material thick outside, it can be achieved that realizing reliable protection to naked fibre when generating vibration in transport and project installation.Meanwhile
Due to there is metal spring to make skeleton, whole outer diameter does not have apparent reduction when flexible, it is ensured that the cloth of optical fiber is piled
Sufficient minimum bending radius requirement, ensures the transmission performance of optical fiber.
Detailed description of the invention
Fig. 1 is in background technique by fused fiber splice to the structural schematic diagram of closed cavity；
Fig. 2 is the structural schematic diagram that helical fibre protects structure in the utility model embodiment.
In figure: 1- naked fibre, 2- rubber parts, 21- optical fiber accommodation groove, 22- metal spring accommodation groove, 3- metal spring, 31- are solid
Determine portion.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Embodiment 1:
Shown in Figure 2, the utility model embodiment provides a kind of helical fibre protection structure, comprising:
Spiral rubber parts 2, rubber parts 2 are equipped with the optical fiber accommodation groove 21 through its head and the tail, are arranged with protection sleeve pipe
Spiral shell fibre is arranged in optical fiber accommodation groove 21, and the metal spring accommodation groove 22 through its head and the tail is additionally provided in rubber parts 2.
Metal spring 3, metal spring 3 are set in metal spring accommodation groove 22.
The utility model discloses a kind of helical fibres to protect structure, including spiral rubber parts 2 and metal spring
3, rubber parts 2 has enough material thick and flexible, it can be achieved that realizing to naked fibre 1 when generating vibration in transport and project installation
Reliable protection.Skeleton is made using metal spring 3, whole outer diameter does not have apparent reduction when flexible, it is ensured that light
Fine laying meets minimum bending radius requirement, ensures the transmission performance of optical fiber.
Embodiment 2:
On the basis of embodiment 1, optical fiber accommodation groove 21 is set to the outside spiral of rubber parts 2, metal spring accommodation groove 22
Set on the inside spiral of rubber parts 2.The central diameter of metal spring 3 is greater than 106mm.Whole outer diameter does not have significantly when flexible
It reduces, it is ensured that laying for optical fiber meets minimum bending radius requirement, ensures the transmission performance of optical fiber.
Embodiment 3:
On the basis of embodiment 1,3 both ends of metal spring are stretched out except metal spring accommodation groove 22, and metal spring 3
Both ends are equipped with fixed part 31.Fixed part 31 is L-shaped.In this way when fixed, other than compressed metal spring 3 generates clamping force, also
It can be fixed on end cap or cylinder with by fixed part 31, it is ensured that will not be pulled in assembly, transport, engineering construction.
To guarantee that section is not overturn, after metal spring 3 is penetrated rubber parts 2, it is also necessary to carry out secondary sulphur to rubber parts 2
Change, to reinforce the protective effect to spiral shell fibre.
Embodiment 4:
Shown in Figure 2, the embodiment of the invention discloses a kind of optical fiber equipped with helical fibre protection structure, optical fiber packets
Include the protection sleeve pipe being arranged outside naked fibre 1 and naked fibre 1；Naked fibre 1 and protection sleeve pipe are arranged in the optical fiber accommodation groove 21 of rubber parts 2；
The central diameter of metal spring 3 is greater than the bending radius of spiral shell fibre.
The utility model penetrates naked fibre 1 in protection sleeve pipe, then holds the light that protection sleeve pipe is embedded in a rubber parts 2
It sets in slot, has enough material thick outside naked fibre 1, it can be achieved that being realized reliably to naked fibre 1 when generating vibration in transport and project installation
Protection.Simultaneously as there is metal spring 3 to make skeleton, whole outer diameter does not have apparent reduction when flexible, it is ensured that
Laying for optical fiber meets minimum bending radius requirement, ensures the transmission performance of optical fiber.
Embodiment 5:
On the basis of embodiment 4, the optical fiber of structure, the optical fiber accommodation groove in rubber parts 2 are protected equipped with helical fibre
21 are set to the outside spiral of rubber parts 2, and metal spring accommodation groove 22 is set to the inside spiral of rubber parts 2.The central diameter of metal spring 3
Greater than 106mm.Whole outer diameter does not have apparent reduction when flexible, it is ensured that laying for optical fiber meets minimum bend half
Diameter requirement, ensures the transmission performance of optical fiber.
Embodiment 6:
On the basis of embodiment 4, the optical fiber equipped with helical fibre protection structure, helical fibre is protected in structure
3 both ends of metal spring are stretched out except metal spring accommodation groove 22, and 3 both ends of metal spring are equipped with fixed part 31.Fixed part 31
It is L-shaped.In this way when fixed, other than compressed metal spring 3 generates clamping force, it also can be used and end cap be fixed on by fixed part 31
Or on cylinder, it is ensured that will not be pulled in assembly, transport, engineering construction.
To guarantee that section is not overturn, after metal spring 3 is penetrated rubber parts 2, it is also necessary to carry out secondary sulphur to rubber parts 2
Change, to reinforce the protective effect to spiral shell fibre.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products out, however, make any variation in its shape or structure, it is all to have and the utility model phase
Same or similar technical solution, within its protection scope.
Claims (7)
1. a kind of helical fibre protects structure characterized by comprising
Spiral rubber parts (2), the rubber parts (2) are equipped with the optical fiber accommodation groove (21) through its head and the tail, are arranged with protection
The naked fibre (1) of casing is arranged in the optical fiber accommodation groove (21), and the metal through its head and the tail is additionally provided in the rubber parts (2)
Spring mounting groove (22)；
Metal spring (3), the metal spring (3) are set in the metal spring accommodation groove (22).
2. a kind of helical fibre as described in claim 1 protects structure, it is characterised in that: the optical fiber accommodation groove (21) sets
Outside spiral in the rubber parts (2), the metal spring accommodation groove (22) are set to the inside spiral of the rubber parts (2).
3. a kind of helical fibre as described in claim 1 protects structure, it is characterised in that: in the metal spring (3)
Diameter is greater than 106mm.
4. a kind of helical fibre as described in claim 1 protects structure, it is characterised in that: the protection sleeve pipe is polytetrafluoro
Ethylene casing.
5. a kind of helical fibre as described in claim 1 protects structure, it is characterised in that: metal spring (3) both ends
It stretches out except the metal spring accommodation groove (22), and the metal spring (3) both ends are equipped with fixed part (31).
6. a kind of helical fibre as claimed in claim 5 protects structure, it is characterised in that: the fixed part (31) is L-shaped.
7. a kind of optical fiber equipped with the helical fibre protection structure as described in claim 1~6 any one, feature exist
In: the optical fiber includes the protection sleeve pipe being arranged outside naked fibre (1) and naked fibre (1)；The naked fibre (1) and protection sleeve pipe are arranged in institute
It states in the optical fiber accommodation groove (21) of rubber parts (2)；
The central diameter of the metal spring (3) is greater than the bending radius of the naked fibre (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146647.5U CN208654374U (en) | 2018-07-19 | 2018-07-19 | A kind of helical fibre protection structure and optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821146647.5U CN208654374U (en) | 2018-07-19 | 2018-07-19 | A kind of helical fibre protection structure and optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654374U true CN208654374U (en) | 2019-03-26 |
Family
ID=65785711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821146647.5U Active CN208654374U (en) | 2018-07-19 | 2018-07-19 | A kind of helical fibre protection structure and optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208654374U (en) |
-
2018
- 2018-07-19 CN CN201821146647.5U patent/CN208654374U/en active Active
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