CN213986935U

CN213986935U - All-dielectric side-groove type easily-torn three-unit 8-shaped optical cable

Info

Publication number: CN213986935U
Application number: CN202022704946.XU
Authority: CN
Inventors: 王江山; 张桂林; 张洪雷; 周双双; 王杨; 李贵男; 隋波
Original assignee: Hongan Group Co Ltd
Current assignee: Hongan Group Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-17
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an 8 style of calligraphy optical cables of three units are easily torn to all-dielectric side channel type, including the sheath, the centre of sheath is provided with the reinforcement core, and the fixed surface of reinforcement core has the boss, and the other end of boss is fixed with the collet, and the inside of sheath is provided with packing rope and loose tube, and loose tube's inside is provided with sleeve pipe filler and optic fibre. The packing rope carries out the bearing with the pine sleeve pipe through the collet, has strengthened the inside intensity of strengthening the core of sheath to realized reducing optic fibre and pine sleeve pipe and slided, and avoided taking place the twist, protected optic fibre. Two tear the rope convenience and tear the different positions of sheath, through tearing the sword, can reduce the difficulty of tearing moreover, conveniently tear. The second steel wire protective sleeve is connected with the first steel wire protective sleeve through the steel wire connecting belt, so that the strength of the sling is enhanced, and the connecting strength of the protective sleeve and the protective layer is realized.

Description

All-dielectric side-groove type easily-torn three-unit 8-shaped optical cable

Technical Field

The utility model belongs to the technical field of 8 style of calligraphy optical cables, specifically be an all-dielectric side slot type easily tears three unit 8 style of calligraphy optical cables.

Background

With the continuous development of optical network technology, it has become an irreversible trend to implement optical access and optical degradation at the access level of communication networks. The optical cable for the access network is required to have higher safety, simplicity and convenience and larger core number due to the particularity of the laying environment and is used in special environment; the existing optical fiber to the home has various different structures, wherein the 8-shaped optical cable can be directly used for small-span self-supporting overhead due to the force bearing of a reinforcing element of a hanging part, and is convenient to introduce into a cell and a building, so that the optical fiber to the home is very popular in use.

The Chinese invention with an authorization notice number CN206696487U specially discloses an 8-shaped optical cable in 2017, 12 and 1, and particularly relates to an all-dielectric layer-stranded 8-shaped optical cable. The utility model relates to an all-dielectric large-core 8-shaped optical cable, which comprises a PE sheath, a PE protective layer and a sling, wherein the sling is arranged between the PE sheath and the PE protective layer, and the PE sheath, the PE protective layer and the sling are integrally formed; the PE sheath is internally wrapped with a nylon layer, at least one loose tube is arranged in the nylon layer, and a plurality of optical fibers are arranged in the loose tube; the contact position of the inner wall of the nylon layer and the loose tube forms a recess, the loose tube is positioned in the recess, and two ends of the recess form bulges. The all-dielectric structure enables the optical cable to have natural shielding performance to thunder and lightning and strong electricity, metal materials are not arranged in the optical cable, thunder and electricity are not induced, the optical cable has high safety and practicability, and the optical fiber fixing structure improves the stability of optical signals.

In the existing all-dielectric side-groove type easily-torn three-unit 8-shaped optical cable, optical fibers and a loose tube are easy to move in a sheath and twisted to cause damage, and the strength of a reinforcing core part in the center of the interior is not enough; the surface of the tearing rope is a circular curved surface, so that the tearing difficulty is high and the tearing is not easy to occur; meanwhile, the sheath and the protective layer are connected only through the hanging strip, so that the connecting strength is low, and the protective layer is easy to split.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an all-dielectric side slot type easily tears three unit 8 style of calligraphy optical cables to solve optic fibre and loose tube and remove inside the sheath easily, and take place the twist, cause the problem of damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an all-dielectric side slot type 8 style of calligraphy optical cable of three units that easily tear, includes the sheath, the centre of sheath is provided with the reinforcement core, the fixed surface of reinforcement core has the boss, the other end of boss is fixed with the collet, the inside of sheath is provided with packing rope and loose tube, loose tube's inside is provided with sleeve pipe filler and optic fibre.

Preferably, the inside of sheath is provided with first steel wire lag, the inside of first steel wire lag is provided with waterproof cover, the inside of waterproof cover is provided with the spinning cover, the inside packing of waterproof cover has the oleamen, the inside of oleamen is provided with tears the rope, the fixed surface who tears the rope has the tearing sword.

Preferably, the top of sheath is fixed with the suspender, the inside of suspender is provided with the steel wire connecting band, the top of suspender is fixed with the protective layer, the inside of protective layer is provided with the FRP reinforcement, the surface of FRP reinforcement is provided with second steel wire lag, the bottom and the steel wire connecting band of second steel wire lag are connected.

Preferably, the reinforcing blocks are uniformly distributed on the surface of the reinforcing core, the cross section of each reinforcing block is of a rectangular structure, and the section of the bottom support is of an arc-shaped structure.

Preferably, the filling rope and the loose tube are positioned between the packages of the ointment, the filling rope and the loose tube are distributed at intervals, and the surfaces of the filling rope and the loose tube are in contact with the bottom support.

Preferably, the spinning sleeve is located inside the ointment, the spinning sleeve wraps the outer sides of the filling rope and the loose tube, the tearing rope is located at two ends of the reinforcing core, and the section of the tearing blade is of a pointed structure.

Preferably, the steel wire connecting band is vertical to be set up, the steel wire connecting band inserts the sheath, and the bottom and the first steel wire lag of steel wire connecting band are connected, and the second steel wire lag passes through the steel wire connecting band and is connected with first steel wire lag.

Compared with the prior art, the utility model discloses the all-dielectric side slot type of example easily tears three 8 style of calligraphy optical cables of units:

1. be provided with packing rope, boss and collet, during the use, packing rope and pine sleeve pipe interval distribution to carry out the bearing through the collet, and strengthened the intensity of the inside reinforcing core of sheath, thereby realized reducing optic fibre and pine sleeve pipe and slide, and avoid taking place the twist, protect optic fibre.

2. Be provided with and tear the rope and tear the sword, during the use, tear the rope setting and at the both ends of strengthening the core, conveniently tear the different positions of sheath, through tearing the sword, can reduce moreover and tear the degree of difficulty, conveniently tear.

3. Be provided with first steel wire lag, steel wire connecting band and second steel wire lag, during the use, second steel wire lag passes through steel wire connecting band and is connected with first steel wire lag, has strengthened the intensity of suspender to the joint strength of sheath and protective layer has been realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a sheath; 2. a first steel wire protecting jacket; 3. a reinforcing core; 4. a waterproof jacket; 5. spinning sleeve; 6. an ointment; 7. filling a rope; 8. a bottom support; 9. a reinforcing block; 10. loosening the sleeve; 11. a sleeve filler; 12. an optical fiber; 13. a second steel wire protecting sleeve; 14. an FRP reinforcement; 15. a protective layer; 16. a sling; 17. a steel wire connecting belt; 18. tearing the rope; 19. a tearing edge.

Detailed Description

Referring to fig. 1 and 2, an all-dielectric side-grooved easily-torn three-unit 8-shaped optical cable includes a sheath 1, a reinforcing core 3 is disposed in the middle of the sheath 1, a reinforcing block 9 is fixed on the surface of the reinforcing core 3, the cross section of the reinforcing block 9 is a rectangular structure, and the reinforcing blocks 9 are uniformly distributed on the surface of the reinforcing core 3, so that the strength of the reinforcing core 3 is increased.

Referring to fig. 1 and 2, a bottom support 8 is fixed at the other end of the reinforcing block 9, and the section of the bottom support 8 is of an arc-shaped structure and is used for supporting the filling rope 7 and the loose tube 10; the inside of sheath 1 is provided with filling rope 7 and loose sleeve pipe 10, and filling rope 7 and loose sleeve pipe 10 interval distribution, the surface of filling rope 7 and loose sleeve pipe 10 all with collet 8 contact, filling rope 7 and loose sleeve pipe 10 all are located between the parcel of oleamen 6.

Referring to fig. 1 and 2, a tube filler 11 and optical fibers 12 are disposed inside a loose tube 10, the optical fibers 12 are not in contact with each other, and the optical fibers 12 are disposed between the tube filler 11.

Referring to fig. 1, a first steel wire protecting sleeve 2 is arranged inside a protecting sleeve 1 to increase the strength of the protecting sleeve 1; the first steel wire protecting sleeve 2 is internally provided with a waterproof sleeve 4 for preventing water; the spinning sleeve 5 is arranged inside the waterproof sleeve 4, the spinning sleeve 5 is located inside the factice 6, and the spinning sleeve 5 wraps the outer sides of the filling rope 7 and the loose tube 10 and is used for fixing the filling rope 7 and the loose tube 10.

Referring to fig. 1 and 2, the waterproof jacket 4 is filled with factice 6, a tearing rope 18 is arranged inside the factice 6, and the tearing rope 18 is positioned at two ends of the reinforced core 3 and inside the spinning jacket 5; a tearing blade 19 is fixed on the surface of the tearing rope 18, the section of the tearing blade 19 is of a pointed structure, and the tearing blades 19 are uniformly distributed on the surface of the tearing rope 18; not only convenient to tear the sheath 1 in different positions, but also can reduce the tearing difficulty and facilitate tearing.

Referring to fig. 1, a hanging strip 16 is fixed at the top end of a sheath 1, a steel wire connecting strip 17 is arranged inside the hanging strip 16, the steel wire connecting strip 17 is vertically arranged, the bottom end of the steel wire connecting strip 17 is inserted into the sheath 1, and the bottom end of the steel wire connecting strip 17 is connected with a first steel wire protective sleeve 2 for enhancing the strength between the sheath 1 and a protective layer 15.

Referring to fig. 1, a protective layer 15 is fixed at the top end of a sling 16, an FRP reinforcement 14 is arranged inside the protective layer 15, a second steel wire protective sleeve 13 is arranged on the surface of the FRP reinforcement 14, the bottom end of the second steel wire protective sleeve 13 is connected with a steel wire connecting belt 17, and the second steel wire protective sleeve 13 is connected with the first steel wire protective sleeve 2 through the steel wire connecting belt 17.

The working principle of the scheme is as follows: the protective layer 15 is connected with the protective sleeve 1 through a hanging strip 16, and the second steel wire protective sleeve 13 wraps the FRP reinforcement 14 and is arranged at the center of the protective layer 15; first steel wire lag 2 sets up in the inside of sheath 1, and second steel wire lag 13 is connected with first steel wire lag 2 through steel connecting band 17 for strengthen the joint strength between sheath 1 and the sheath 15.

The waterproof sleeve 4 and the spinning sleeve 5 are sequentially arranged inside the first steel wire protecting sleeve 2, and factice 6 is filled inside the waterproof sleeve; collet 8 sets up the side of strengthening core 3 through boss 9, and the filler rope 7 sets up around strengthening core 3 with pine sleeve pipe 10 interval to with collet 8 contact, carry out the bearing, strengthened 1 inside intensity of strengthening core 3 of sheath, reduce optic fibre 12 and pine sleeve pipe 10 in addition and slide, and avoid taking place the twist, protect optic fibre 12.

The tearing rope 18 is arranged at two ends of the reinforcing core 3, and the tearing blade 19 is arranged on the surface of the tearing rope, so that the sheath 1 can be conveniently torn at different positions, the tearing difficulty can be reduced, and the tearing is convenient.

Claims

1. The utility model provides an all-dielectric side slot type easily tears three 8 style of calligraphy optical cables of unit, includes sheath (1), its characterized in that: the middle of the sheath (1) is provided with a reinforcing core (3), the surface of the reinforcing core (3) is fixed with a reinforcing block (9), the other end of the reinforcing block (9) is fixed with a bottom support (8), a filling rope (7) and a loose tube (10) are arranged inside the sheath (1), and a tube filler (11) and an optical fiber (12) are arranged inside the loose tube (10).

2. The all-dielectric side-grooved easy-to-tear three-unit 8-shaped optical cable according to claim 1, wherein: the novel textile fabric is characterized in that a first steel wire protecting sleeve (2) is arranged inside the sheath (1), a waterproof sleeve (4) is arranged inside the first steel wire protecting sleeve (2), a spinning sleeve (5) is arranged inside the waterproof sleeve (4), factice (6) is filled inside the waterproof sleeve (4), a tearing rope (18) is arranged inside the factice (6), and a tearing blade (19) is fixed on the surface of the tearing rope (18).

3. The all-dielectric side-grooved easy-to-tear three-unit 8-shaped optical cable according to claim 1, wherein: the top of sheath (1) is fixed with suspender (16), the inside of suspender (16) is provided with steel wire connection area (17), the top of suspender (16) is fixed with protective layer (15), the inside of protective layer (15) is provided with FRP reinforcement (14), the surface of FRP reinforcement (14) is provided with second steel wire lag (13), the bottom and the steel wire connection area (17) of second steel wire lag (13) are connected.

4. The all-dielectric side-grooved easy-to-tear three-unit 8-shaped optical cable according to claim 1, wherein: the reinforcing blocks (9) are uniformly distributed on the surface of the reinforcing core (3), and the cross section of the bottom support (8) is of an arc-shaped structure.

5. The all-dielectric side-grooved easy-to-tear three-unit 8-shaped optical cable according to claim 1, wherein: the filling rope (7) and the loose tube (10) are distributed at intervals, and the surfaces of the filling rope (7) and the loose tube (10) are both in contact with the bottom support (8).

6. The all-dielectric side-grooved easy-to-tear three-unit 8-shaped optical cable according to claim 2, wherein: the spinning sleeve (5) is positioned in the ointment (6), and the section of the tearing edge (19) is of a pointed structure.

7. The all-dielectric side-grooved easy-to-tear three-unit 8-shaped optical cable according to claim 3, wherein: the steel wire connecting belt (17) is vertically arranged, and the steel wire connecting belt (17) is inserted into the sheath (1).