CN219435106U - Hollow sleeve for 5G communication optical cable - Google Patents

Abstract

The utility model discloses a hollow sleeve for a 5G communication optical cable, which is used for wrapping a 5G optical fiber bundle, and can be used for pre-wrapping a plurality of optical fiber bundles when the optical cable is produced and keeping the optical fiber bundles at the axis of the hollow sleeve so as to fill sleeve filler subsequently, wherein the optical fiber bundles are completely wrapped by the sleeve filler in the middle. The key points of the technical scheme are as follows: the optical fiber package comprises a sleeve outer layer, a supporting layer, a rubber sleeve inner layer and a pre-positioning mechanism which are sequentially distributed from outside to inside, wherein the pre-positioning mechanism wraps the 5G optical fiber bundle and maintains the axial center position of the rubber sleeve inner layer. The multi-strand optical fiber bundles are wrapped in advance by the wrapping sleeve, the optical fiber bundles wrapped by the wrapping sleeve are maintained at the axis position of the inner layer of the rubber sleeve through the supporting rods, and the wrapping sleeve is of a net-shaped hollow structure, so that the optical fiber bundles can be fully wrapped when the sleeve filler is filled, and the product quality and the yield are improved.

Description

Hollow sleeve for 5G communication optical cable

Technical Field

The utility model relates to the technical field of communication optical cables, in particular to a hollow sleeve for a 5G communication optical cable.

Background

5G refers to a fifth generation mobile communication technology, a new generation broadband mobile communication technology with high speed, low time delay and large connection characteristics, and 5G communication facilities are network infrastructures for realizing man-machine object interconnection. According to the definition of the International Telecommunication Union (ITU) on the 5G application scene, the 5G network is suitable for three application scenes of eMBB enhanced mobile broadband, uRLLC ultra-high reliability low-delay communication and mMTC mass machine communication. In recent years, the development of downstream application fields is rapid, the 5G network construction is accelerated, and a large optical fiber demand is brought, and the demand of the optical cable serving as a carrier of the optical fiber is gradually increased. And because of the high density of 5G base station distribution, a more dense and complex optical cable transmission network is formed, and the integration of more strands of optical fibers into a single optical cable is also a development trend of optical cable technology. Based on the above factors, more stringent and diversified requirements are placed on the design and manufacture of the optical cable. At present, the design and manufacture of the optical cable have defects, such as difficulty in ensuring that the optical fiber bundles of multiple strands maintain the axis of the sub-optical cable during manufacture, and influence the quality of the optical cable; the 5G belongs to high-frequency short-wave electromagnetic waves, and an optical cable for transmitting 5G signals can generate stronger ionizing radiation besides being subjected to external electromagnetic interference and possibly influence the normal operation of nearby electronic equipment.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a hollow sleeve for a 5G communication optical cable, which can be used for pre-wrapping a plurality of optical fiber bundles when the optical cable is produced and keeping the optical fiber bundles at the axis of the hollow sleeve so as to fill a sleeve filler subsequently, wherein the optical fiber bundles are completely wrapped by the sleeve filler in the center.

In order to achieve the above object, the present utility model adopts the following technical scheme:

the hollow sleeve is used for wrapping a 5G optical fiber bundle and comprises an outer sleeve layer, a supporting layer, an inner rubber sleeve layer and a pre-positioning mechanism which are sequentially distributed from outside to inside, wherein the pre-positioning mechanism wraps the 5G optical fiber bundle and maintains the position of the axis of the inner rubber sleeve layer.

Further preferably, the pre-positioning mechanism comprises a wrapping sleeve and a supporting structure, wherein the supporting structure is arranged on the inner layer of the rubber sleeve, and the supporting structure supports the outer wall of the wrapping sleeve so as to maintain the coaxial state of the wrapping sleeve and the inner layer of the rubber sleeve.

Further preferably, the supporting structure comprises a plurality of supporting rods, the tail ends of the supporting rods are integrally and fixedly connected with the inner wall of the inner layer of the rubber sleeve, the front ends of the supporting rods extend towards the axis of the inner layer of the rubber sleeve, the supporting rods and the inner layer of the rubber sleeve are made of the same material, the plurality of supporting rods are uniformly distributed on the inner wall of the inner layer of the rubber sleeve, and the front ends of the plurality of supporting rods are wound against the outer wall of the wrapping sleeve to maintain the concentric axis of the wrapping sleeve and the inner layer of the rubber sleeve.

Further preferably, the wrapping sleeve adopts a self-rolling spiral structure, and the wrapping sleeve body is of a net-shaped hollow structure.

Further preferably, the adhesive tape further comprises a middle layer of the adhesive tape and a shielding layer for shielding electromagnetic interference, wherein the shielding layer can be gold foil, silver foil, copper foil, conductive rubber or conductive foam lining material, the middle layer of the adhesive tape is positioned between the supporting layer and the inner layer of the adhesive tape, and the shielding layer is clamped between the middle layer of the adhesive tape and the inner layer of the adhesive tape.

Further preferably, the supporting layer comprises a sleeve and a reinforced supporting rib, the sleeve and the reinforced supporting rib are made of alloy steel, aluminum alloy or copper alloy, the reinforced supporting rib is spirally arranged on the sleeve, and the reinforced supporting rib and the sleeve are integrally formed.

Further preferably, the flame-retardant sleeve further comprises a flame-retardant layer, wherein the flame-retardant layer is made of ceramic fiber paper, and the flame-retardant layer is arranged between the supporting layer and the outer layer of the sleeve in a sandwiched mode.

Compared with the prior art, the hollow sleeve for the 5G communication optical cable adopting the technical scheme has the following beneficial effects:

1. the optical fiber bundle is fixed at the axial position of the optical cable by adopting sleeve filler package (such as thixotropic fiber paste), and the deviation of the optical fiber bundle from the axial center is avoided as much as possible during production.

2. The shielding layer is arranged in the hollow sleeve, so that high-frequency electromagnetic waves can be shielded to a certain extent, the interference of the external environment on the signal transmission of the 5G optical cable can be reduced, and the interference of the high-frequency electromagnetic waves generated by the 5G optical cable on surrounding electronic devices can be reduced.

3. The supporting layer made of high-strength alloy materials is additionally arranged in the hollow sleeve, and the reinforced supporting ribs which are spirally wound are arranged, so that the strength of the hollow sleeve can be improved, excessive bending is avoided, and the probability of being damaged by external force compression is reduced.

Drawings

Fig. 1 is a schematic view of a hollow ferrule embodiment of the present utility model for a 5G communication cable.

Fig. 2 is a schematic cross-sectional view of the present embodiment.

Reference numerals: 1. an outer layer of the sleeve; 2. a flame retardant layer; 3. a support layer; 30. a sleeve; 31. reinforcing the supporting ribs; 4. a middle layer of the rubber sleeve; 5. a shielding layer; 6. an inner layer of the rubber sleeve; 7. a pre-positioning mechanism; 70. wrapping the sleeve; 71. a support rod; 8. a 5G optical fiber bundle; 9. and (5) sleeve filling.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The hollow sleeve for the 5G communication optical cable is used for wrapping the 5G optical fiber bundle 8, and comprises a sleeve outer layer 1, a flame retardant layer 2, a supporting layer 3, a rubber sleeve middle layer 4, a shielding layer 5, a rubber sleeve inner layer 6 and a pre-positioning mechanism 7 which are sequentially distributed from outside to inside, wherein the pre-positioning mechanism 7 wraps the 5G optical fiber bundle 8 and maintains the axial center position of the rubber sleeve inner layer 6. Wherein the outer layer 1 of the sleeve is made of polyvinyl chloride resin, and the middle layer 4 and the inner layer 6 of the rubber sleeve are made of ethylene propylene rubber.

The flame-retardant layer 2 is made of ceramic fiber paper, and the flame-retardant layer 2 is clamped between the supporting layer 3 and the sleeve outer layer 1; the supporting layer 3 comprises a sleeve 30 and reinforcing supporting ribs 31, wherein the sleeve 30 and the reinforcing supporting ribs 31 are made of aluminum alloy, the reinforcing supporting ribs 31 are spirally arranged on the sleeve 30, and the reinforcing supporting ribs 31 and the sleeve 30 are integrally formed; the shielding layer 5 is used for shielding electromagnetic interference, and the shielding layer 5 can be specifically gold foil, silver foil, copper foil, conductive rubber or conductive foam lining material, and the shielding layer 5 is sandwiched between the rubber sleeve middle layer 4 and the rubber sleeve inner layer 6.

The pre-positioning mechanism 7 comprises a wrapping sleeve 70 and a supporting structure, the supporting structure comprises a plurality of supporting rods 71, the tail ends of the supporting rods 71 are fixedly connected with the inner wall of the rubber sleeve inner layer 6 in an integrated mode, the front ends of the supporting rods 71 extend towards the axis of the rubber sleeve inner layer 6, the supporting rods 71 and the rubber sleeve inner layer 6 are made of the same materials, the plurality of supporting rods 71 are uniformly distributed on the inner wall of the rubber sleeve inner layer 6, the wrapping sleeve 70 is of a self-rolling spiral structure, a body of the wrapping sleeve 70 is of a net-shaped hollow structure, and the front ends of the plurality of supporting rods 71 are wound against the outer wall of the wrapping sleeve 70 to maintain the wrapping sleeve 70 and the rubber sleeve inner layer 6 to be coaxial. The multi-strand optical fiber bundles are wrapped in advance by the wrapping sleeve 70, the optical fiber bundles wrapped by the wrapping sleeve 70 are maintained at the axial center position of the inner layer 6 of the rubber sleeve through the supporting rods 71, the wrapping sleeve 70 is of a net-shaped hollow structure, and the optical fiber bundles can be fully wrapped when the sleeve filler 9 (such as thixotropic fiber paste) is filled.

The above-described technical solution is a preferred embodiment of the present utility model, and it should be understood that those skilled in the art may make several modifications and improvements without departing from the principles of the present utility model, and these should also be considered as the protection scope of the present utility model.

Claims (7)

1. Hollow sleeve for 5G communication optical cable, the hollow sleeve being used for wrapping 5G optical fiber bundles (8), characterized in that: the optical fiber coaxial cable comprises a sleeve outer layer (1), a supporting layer (3), a rubber sleeve inner layer (6) and a pre-positioning mechanism (7) which are sequentially distributed from outside to inside, wherein the pre-positioning mechanism (7) wraps the 5G optical fiber bundle (8) and maintains the axial center position of the rubber sleeve inner layer (6).

2. The hollow sleeve for a 5G communication fiber optic cable of claim 1, wherein: the pre-positioning mechanism (7) comprises a wrapping sleeve (70) and a supporting structure, wherein the supporting structure is arranged on the rubber sleeve inner layer (6), and the supporting structure supports the outer wall of the wrapping sleeve (70) so as to maintain the coaxial state of the wrapping sleeve (70) and the rubber sleeve inner layer (6).

3. The hollow sleeve for a 5G communication fiber optic cable of claim 2, wherein: the supporting structure comprises a plurality of supporting rods (71), the tail ends of the supporting rods (71) are fixedly connected with the inner wall of the rubber sleeve inner layer (6) in an integrated mode, the front ends of the supporting rods (71) extend towards the axis of the rubber sleeve inner layer (6), the supporting rods (71) are made of the same materials as the rubber sleeve inner layer (6), the supporting rods (71) are uniformly distributed on the inner wall of the rubber sleeve inner layer (6), and the front ends of the supporting rods (71) are wound on the outer wall of the wrapping sleeve (70) in a supporting mode to maintain the coaxial center of the wrapping sleeve (70) and the rubber sleeve inner layer (6).

4. The hollow sleeve for a 5G communication fiber optic cable of claim 2, wherein: the wrapping sleeve (70) adopts a self-rolling spiral structure, and the body of the wrapping sleeve (70) is of a net-shaped hollow structure.

5. The hollow sleeve for a 5G communication fiber optic cable of claim 1, wherein: the novel plastic rubber sleeve is characterized by further comprising a middle rubber sleeve layer (4) and a shielding layer (5) for shielding electromagnetic wave interference, wherein the shielding layer (5) can be gold foil, silver foil, copper foil, conductive rubber or conductive foam lining material, the middle rubber sleeve layer (4) is positioned between the supporting layer (3) and an inner rubber sleeve layer (6), and the shielding layer (5) is clamped between the middle rubber sleeve layer (4) and the inner rubber sleeve layer (6).

6. The hollow sleeve for a 5G communication fiber optic cable of claim 1, wherein: the supporting layer (3) comprises a sleeve (30) and reinforced supporting ribs (31), the sleeve (30) and the reinforced supporting ribs (31) are made of alloy steel, aluminum alloy or copper alloy, the reinforced supporting ribs (31) are spirally arranged on the sleeve (30), and the reinforced supporting ribs (31) and the sleeve (30) are integrally formed.

7. The hollow sleeve for a 5G communication fiber optic cable of claim 1, wherein: the flame-retardant sleeve further comprises a flame-retardant layer (2), wherein the flame-retardant layer (2) is made of ceramic fiber paper, and the flame-retardant layer (2) is clamped between the supporting layer (3) and the sleeve outer layer (1).