CN218332092U

CN218332092U - Multi-core branch optical cable with optical fiber fixing structure

Info

Publication number: CN218332092U
Application number: CN202222617163.7U
Authority: CN
Inventors: 陶鲜锋; 李秀丹
Original assignee: Dongguan Lianyitong Technology Co ltd
Current assignee: Dongguan Lianyitong Technology Co ltd
Priority date: 2022-10-05
Filing date: 2022-10-05
Publication date: 2023-01-17
Anticipated expiration: 2032-10-05

Abstract

The utility model discloses a multicore branch optical cable with optic fibre fixed knot constructs, including main part optical cable and protection machanism, the inboard middle part of main part optical cable is provided with the fixed establishment that is used for optic fibre fixed for it is corrosion-resistant to protect protection machanism sets up in fixed establishment's surface, and protection machanism's surface is provided with the supporting mechanism who is used for anti buckling. This multicore branch optical cable with optic fibre fixed knot constructs, compare with current device, through inner sheath and oversheath, its two is the polyethylene material, good low temperature resistant performance has, chemical stability is good, can be able to bear or endure the erosion of most of acid-base, can form the protection in holistic optical cable outside, through the steel wire line, the filling rope, can improve the intensity of whole optical cable, make the optical cable have the ability of anti buckling and dragging, through the nylon layer, can improve the toughness of optical cable, under the cooperation with the steel wire line, can prevent that the optical cable from taking place the possibility of rupture damage.

Description

Multi-core branch optical cable with optical fiber fixing structure

Technical Field

The utility model relates to an optical cable technical field specifically is a multicore branch optical cable with optic fibre fixed knot constructs.

Background

The optical cable in the communication room is an optical cable laid in a building, and is mainly used for communication equipment, computers, switches, terminal equipment and the like of the building so as to transmit information.

An optical cable like application number CN202122155201.7, including inner sheath unit, oversheath and optical cable reinforcing element, inner sheath unit can be used for the section of registering one's residence to lay, and inner sheath unit includes optic fibre, wraps up in the outer tight cover buffer layer of optic fibre and wraps up the inner sheath outside tight cover buffer layer, and the oversheath parcel inner sheath, optical cable reinforcing element set up between inner sheath and oversheath, and optical cable reinforcing element enables the optical cable and is applicable to aerial laying and pipe laying. According to the optical cable provided by the utility model, the inner protection unit can be used for the entrance segment, the optical cable can quickly complete equipment connection through the optical fiber quick connector, the optical cable is convenient and efficient, and the optical fiber is suitable for overhead and pipeline laying, so that the flexible construction requirement is met; meanwhile, the optical cable is small in diameter and light in weight, so that the optical cable occupies less pipeline or erection rod resources during laying, laying cost is reduced, the optical cable does not need to be grounded, and safety is high.

Similar to the above applications, there are currently deficiencies:

when the cable is used, the overall strength is poor, and bending and breaking are easy to occur, so that the using effect and the service life of the cable are influenced.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a multi-core branch optical cable having an optical fiber fixing structure is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

An object of the utility model is to provide a multicore branch optical cable with optic fibre fixed knot constructs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multicore branch optical cable with optic fibre fixed knot constructs, includes main part optical cable and protection machanism, the inboard middle part of main part optical cable is provided with the fixed establishment that is used for optic fibre fixed for it is corrosion-resistant to protect protection machanism sets up in fixed establishment's surface, and protection machanism's surface is provided with the supporting mechanism that is used for anti buckling, fixed establishment's inboard middle part is provided with the parcel mechanism that is used for the optic fibre parcel, supporting mechanism includes inner sheath, steel wire, filling rope, nylon layer and oversheath, the outside top of inner sheath is connected with the steel wire line, and the outside of steel wire line is provided with the filling rope, the surface of filling rope is connected with the nylon layer, and the surface on nylon layer is provided with the oversheath.

Further, fixed establishment includes bonderized steel inner core and cured layer, and the surface of bonderized steel inner core is provided with cured layer.

Furthermore, the fixing mechanism further comprises a bearing sleeve, and the bearing sleeve is arranged on the outer surface of the curing layer.

Further, the fixing mechanism further comprises an optical fiber core, and the optical fiber core is arranged on the periphery of the outer portion of the bearing sleeve.

Further, the wrapping mechanism comprises a fiber paste and an elastic sleeve, and the elastic sleeve is arranged outside the fiber paste.

Furthermore, the protection mechanism comprises water-blocking paste and a first barrier layer, and the outer layer of the water-blocking paste is connected with the first barrier layer.

Further, protection machanism still includes aramid fiber wire winding layer, and aramid fiber wire winding layer sets up the surface at first barrier layer.

Furthermore, protection machanism still includes plastic-aluminum composite layer and second barrier layer, the plastic-aluminum composite layer sets up the surface on aramid fiber wire winding layer, and the outside of plastic-aluminum composite layer is connected with the second barrier layer.

Compared with the prior art, the utility model provides a multicore branch optical cable with optic fibre fixed knot constructs possesses following beneficial effect: this multicore branch optical cable can be fixed optic fibre, avoids it to take place to extrude the skew and influence the problem of optical cable stability in use easily, and can make the optical cable also can stabilize long-term use when adverse circumstances under, can prevent simultaneously that the optical cable from taking place the possibility of breaking damage to this is favorable to improving the stable in use and the life-span of optical cable.

1. The utility model discloses a fine cream and elasticity cover can wrap up the optical fiber core of inside work fixedly, through the bearing cover, its surface is provided with a plurality of recesses, can bear the optical fiber core that the multicore is branched fixedly, through bonderized steel inner core and for the solidified layer of polyethylene, can support the bearing cover, prevent that the bearing cover from taking place to warp to this under the restriction of bearing cover, can fix the optical fiber core, avoid it to take place to extrude the skew and influence the problem of optical cable stability in use easily;

2. the utility model discloses a first barrier layer and second barrier layer, it is PVC and magnesium oxide insulating material constitution respectively, can be under the cooperation of water blocking cream, can make whole optical cable have stronger water proof corrosion-resistant and fire-retardant ability, through aramid fiber wire winding layer, it has excellence intensity, high-modulus and high temperature resistant, acid and alkali resistant, light in weight and so on good performance, through the plastic-aluminum composite bed, it has isolated anti-interference ability to after the multilayer combination, can make the optical cable also can stabilize long-term use under adverse circumstances;

3. the utility model discloses an inner sheath and oversheath, its two is the polyethylene material, good low temperature resistance performance has, chemical stability is good, can be resistant the erosion of most of acid-base, can form the protection in holistic optical cable outside, through the steel wire line, the filling rope, can improve the intensity of whole optical cable, make the optical cable have the ability of anti buckling and dragging, through the nylon layer, can improve the toughness of optical cable, under the cooperation with the steel wire line, can prevent that the optical cable from taking place the possibility of rupture damage, use stability and life-span that are favorable to improving the optical cable with this.

Drawings

Fig. 1 is a schematic view of an overall front view internal structure of a multi-core branch optical cable with an optical fiber fixing structure according to the present invention;

fig. 2 is an enlarged schematic structural view of a position a in fig. 1 of a multi-core branch optical cable with an optical fiber fixing structure according to the present invention;

fig. 3 is the utility model relates to a multicore branch optical cable fiber core spatial structure sketch map with optic fibre fixed knot constructs.

In the figure: 1. a main body optical cable; 2. a fixing mechanism; 201. phosphating a steel inner core; 202. curing the layer; 203. a bearing sleeve; 204. an optical fiber core; 3. a protection mechanism; 301. water-blocking paste; 302. a first barrier layer; 303. an aramid fiber winding layer; 304. an aluminum-plastic composite layer; 305. a second barrier layer; 4. a support mechanism; 401. an inner sheath; 402. a steel wire; 403. filling a rope; 404. a nylon layer; 405. an outer sheath; 5. a wrapping mechanism; 501. fiber paste; 502. an elastic sleeve.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 and 3, a multi-core branch optical cable with an optical fiber fixing structure comprises a main optical cable 1 and a protection mechanism 3, wherein a fixing mechanism 2 for fixing an optical fiber is arranged in the middle of the inner side of the main optical cable 1, a wrapping mechanism 5 for wrapping the optical fiber is arranged in the middle of the inner side of the fixing mechanism 2, the fixing mechanism 2 comprises a phosphated steel inner core 201 and a cured layer 202, the cured layer 202 is arranged on the outer surface of the phosphated steel inner core 201, the fixing mechanism 2 further comprises a bearing sleeve 203, the bearing sleeve 203 is arranged on the outer surface of the cured layer 202, the fixing mechanism 2 further comprises an optical fiber core 204, the optical fiber core 204 is arranged on the outer periphery of the bearing sleeve 203, the wrapping mechanism 5 comprises a fiber paste 501 and a loose sleeve 502, the loose sleeve 502 is arranged on the outer portion of the fiber paste 501, the optical fiber core 204 working inside can be wrapped and fixed through the fiber paste 501 and the loose sleeve 502, the bearing sleeve 203 is provided with a plurality of grooves on the outer surface thereof, the optical fiber core 204 of the multi-core branch optical cable can be supported and fixed through the bearing sleeve 201 and the cured layer 202 made of polyethylene, thereby preventing the bearing sleeve 203 from being deformed and preventing the optical cable from being easily deformed and being used under the problem of the optical cable that the supporting sleeve 204 and the optical cable can be prevented from being easily influenced by the optical cable;

as shown in fig. 1-2, a protection mechanism 3 for protecting corrosion resistance is disposed on an outer surface of a fixing mechanism 2, and the outer surface of the protection mechanism 3 is provided with a support mechanism 4 for resisting bending, the protection mechanism 3 includes a water blocking paste 301 and a first barrier layer 302, and an outer layer of the water blocking paste 301 is connected with the first barrier layer 302, the protection mechanism 3 further includes an aramid fiber winding layer 303, and the aramid fiber winding layer 303 is disposed on an outer surface of the first barrier layer 302, the protection mechanism 3 further includes an aluminum-plastic composite layer 304 and a second barrier layer 305, the aluminum-plastic composite layer 304 is disposed on an outer surface of the aramid fiber winding layer 303, and an outer side of the aluminum-plastic composite layer 304 is connected with the second barrier layer 305, and the first barrier layer 302 and the second barrier layer 305 are respectively made of PVC and magnesium oxide insulating materials, so that the entire optical cable can have strong water-resisting corrosion resistance and flame-retardant capability under cooperation of the water blocking paste 301, through aramid fiber wire winding layer 303, it has the super high strength, high modulus and high temperature resistant, acid and alkali resistant, light in weight fine performance, through plastic-aluminum composite layer 304, it has isolated anti-interference ability, thereby after the multilayer combination, can also make the optical cable can stabilize long-term use under adverse circumstances, supporting mechanism 4 includes inner sheath 401, steel wire 402, filling rope 403, nylon layer 404 and oversheath 405, the outside top of inner sheath 401 is connected with steel wire 402, and the outside of steel wire 402 is provided with filling rope 403, the surface of filling rope 403 is connected with nylon layer 404, and the surface of nylon layer 404 is provided with oversheath 405, through inner sheath 401 and oversheath 405, its two are the polyethylene material, have fine low temperature resistance, chemical stability is good, can resist the erosion of most of acid and alkali, can form the protection outside at holistic optical cable, through steel wire 402, filler rope 403, can improve the intensity of whole optical cable for the optical cable has the ability of anti buckling and dragging, through nylon layer 404, can improve the toughness of optical cable, under the cooperation with steel wire 402, can prevent that the optical cable from taking place the possibility of rupture damage, with this stable in use and the life-span that is favorable to improving the optical cable.

The working principle is as follows: as shown in fig. 1-3, in the multi-core branch optical cable, firstly, the optical fiber core 204 working inside can be wrapped and fixed through the fiber paste 501 and the elastic sleeve 502, then, the optical fiber core 204 of the multi-core branch can be supported and fixed through the supporting sleeve 203, the supporting sleeve 203 can be supported through the phosphated steel inner core 201 and the cured layer 202 made of polyethylene, so as to prevent the supporting sleeve 203 from deforming, so that the optical fiber core 204 can be fixed under the limitation of the supporting sleeve 203, at this time, the optical fiber core 204 can be fixed through the first barrier layer 302 and the second barrier layer 305, which are respectively made of PVC and magnesium oxide insulating materials, under the matching of the water blocking paste 301, so that the whole optical cable has strong water-blocking, corrosion-resisting and flame-retardant capabilities, subsequently through aramid fiber wire winding layer 303, and plastic-aluminum composite layer 304, thereby after the multilayer combination, can make the optical cable also can stabilize long-term use when adverse circumstances, then through inner sheath 401 and oversheath 405, its two are the polyethylene material, have good low temperature resistance, chemical stability is good, can be able to bear most of acid-base erosion, can form the protection in holistic optical cable outside, rethread steel wire 402, filling rope 403, can improve the intensity of whole optical cable, make the optical cable have the ability of buckling and dragging, at last through nylon layer 404, can improve the toughness of optical cable, under the cooperation with steel wire 402, can prevent that the optical cable from taking place the possibility of rupture damage.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a multicore branch optical cable with optic fibre fixed knot constructs, includes main part optical cable (1) and protection machanism (3), its characterized in that, the inboard middle part of main part optical cable (1) is provided with and is used for the fixed establishment (2) of optic fibre, is used for protecting corrosion-resistant protection machanism (3) set up in the surface of fixed establishment (2), and the surface of protection machanism (3) is provided with and is used for anti-support mechanism (4) of buckling, the inboard middle part of fixed establishment (2) is provided with parcel mechanism (5) that are used for the optic fibre parcel, support mechanism (4) include inner sheath (401), steel wire (402), packing rope (403), nylon layer (404) and oversheath (405), the outside top of inner sheath (401) is connected with steel wire (402), and the outside of steel wire (402) is provided with packing rope (403), the surface of packing rope (403) is connected with nylon layer (404), and the surface of nylon layer (404) is provided with oversheath (405).

2. The multi-core branch cable with an optical fiber fixing structure according to claim 1, wherein the fixing mechanism (2) comprises a phosphated steel inner core (201) and a cured layer (202), and an outer surface of the phosphated steel inner core (201) is provided with the cured layer (202).

3. The multi-core branch cable with the optical fiber fixing structure according to claim 2, wherein the fixing mechanism (2) further comprises a supporting sleeve (203), and the supporting sleeve (203) is disposed on an outer surface of the cured layer (202).

4. A multi-core branch cable with a fiber fixing structure according to claim 3, wherein the fixing mechanism (2) further comprises a fiber core (204), and the fiber core (204) is disposed around the outside of the supporting sleeve (203).

5. The multi-core branch optical cable with an optical fiber fixing structure according to claim 1, wherein the wrapping mechanism (5) comprises a fiber paste (501) and an elastic sleeve (502), and the elastic sleeve (502) is arranged outside the fiber paste (501).

6. The optical multi-core branch cable with an optical fiber fixing structure according to claim 1, wherein the protection mechanism (3) comprises a water-blocking paste (301) and a first barrier layer (302), and the first barrier layer (302) is attached to an outer layer of the water-blocking paste (301).

7. The multi-core branch optical cable with an optical fiber fixing structure according to claim 6, wherein the protection mechanism (3) further comprises an aramid wound layer (303), and the aramid wound layer (303) is disposed on an outer surface of the first barrier layer (302).

8. The multi-core branch optical cable with the optical fiber fixing structure as claimed in claim 7, wherein the protection mechanism (3) further comprises an aluminum-plastic composite layer (304) and a second barrier layer (305), the aluminum-plastic composite layer (304) is disposed on the outer surface of the aramid fiber winding layer (303), and the second barrier layer (305) is connected to the outer side of the aluminum-plastic composite layer (304).