CN212161337U - Safety cable that security performance is high - Google Patents

Abstract

The utility model discloses a safety cable that security performance is high, including protective sheath, polyethylene sheath and stranded conductor, the polyethylene sheath is installed to the inboard equidistance of protective sheath, polyethylene sheath inboard is provided with the stranded conductor, the protective sheath inboard is provided with the abrasionproof and decreases the device. The utility model discloses a set up the protective sheath, outer extrusion pad, sinle silk band layer, polyethylene sheath and inlayer extrusion pad, compact structure, the compliance is good, high structural strength, tensile strength is good, the life of device has been ensured, be provided with the fixed block simultaneously, the connecting block, first fluting, first pull ring, first inserted block, the second inserted block, first spring, the slide bar, the connecting rod, the second spring, second pull ring and inserted bar, can be comparatively convenient carry out high-speed joint and dismantlement between two sets of cables, can ensure that the cable is when the conflagration takes place, operating personnel can make things convenient for and cut off the connection between each section cable fast, prevent the intensity of a fire from stretching along the trend of cable.

Description

Safety cable that security performance is high

Technical Field

The utility model relates to the technical field of cables, specifically be a safety cable that security performance is high.

Background

With the rapid development of the communication industry, the demand of communication cables at home and abroad is increasing day by day, the transmission speed of communication signals is greatly improved by the process of converting electricity into light and converting light into electricity through optical fiber communication in the communication cables, and the safety cables with high safety performance on the market can basically meet the requirements of people, but have certain defects to be improved.

Traditional cable is after sinle silk quantity constantly increases, and its self gravity constantly increases, when the cable sets up, is dragging the in-process, causes the sinle silk fracture easily when the pulling force is too big to influence its life, increase the steel strand wires, but the steel strand wires cause wearing and tearing to the insulating layer of sinle silk easily, lead to the sinle silk insulating layer to break under the severe condition, influence the security performance that uses, consequently need a security cable that the security performance is high to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety cable that security performance is high to solve and propose in the above-mentioned background art because traditional cable is pulling the in-process, cause the sinle silk fracture easily when the pulling force is too big, thereby influence its life, increase steel strand wires, but steel strand wires cause wearing and tearing to the insulating layer of sinle silk easily, lead to the sinle silk insulating layer to break under the severe condition, influence the security performance's of use problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safety cable that security performance is high, includes protective sheath, polyethylene sheath and stranded conductor, the polyethylene sheath is installed to the inboard equidistance of protective sheath, the polyethylene sheath inboard is provided with the stranded conductor, the protective sheath inboard is provided with the abrasionproof and decreases the device.

Preferably, the anti-abrasion device comprises an outer layer extrusion pad, a wire core belting layer, an inner layer extrusion pad and polyethylene insulation layers, the outer wall of each polyethylene sheath abuts against the inner side of the wire core belting layer, the inner sides of the polyethylene sheaths are provided with the polyethylene insulation layers, and the inner sides of the polyethylene insulation layers abut against stranded wires.

Preferably, outer layer extrusion pads are glued to the inner wall of the protective outer sleeve at equal intervals, the inner wall of each outer layer extrusion pad is glued to the outer wall of the cable core wrapping layer, inner layer extrusion pads are glued to the inner wall of the polyethylene sheath at equal intervals, and the inner wall of each inner layer extrusion pad is glued to the outer wall of the polyethylene insulating layer.

Preferably, both ends all are fixed with the fixed block about the protective housing rear side, and fixed block rear side middle part all is fixed with first inserted block, first inserted block all inserts and establishes inside first fluting, first fluting is all seted up at the connecting block front end, the connecting block is all fixed in the upper and lower both sides of another protective housing front end, connecting block front end outer wall all is connected with first spring, and first spring outside top all connects in the inboard bottom of first pull ring, the inboard bottom middle part of first pull ring all is connected with the second inserted block, and the second inserted block all inserts and establish inside the hole of seting up on first inserted block rear side top.

Preferably, the inserted bars are inserted above the rear side of the second inserted block, the inner sides of the rear ends of the inserted bars are connected with connecting rods, the inner sides of the connecting rods slide on the outer walls of the sliding rods, the sliding rods are connected inside the second grooves, the second grooves are formed in the top ends of the outer sides of the connecting blocks, the front ends of the connecting rods are connected with second springs, the other end of each second spring is connected to the inner wall of the corresponding second groove in a surrounding mode, and the middle of the rear end of each connecting rod is connected with a second pull ring.

Preferably, the inserted bar front end all butts there is the second cushion, the second inserted block bottom all butts there is first cushion.

The utility model has the advantages that:

1. this safety cable that security performance is high is provided with protective sheath, outer extrusion pad, sinle silk band layer, polyethylene sheath and inlayer extrusion pad, when needs pull the cable, this moment at protective sheath, outer extrusion pad, sinle silk band layer and inlayer extrusion pad can carry out the extrusion protection from inside to outside to cable whole device under mutually supporting, pull the power with the outside and unload between polyethylene sheath and inlayer extrusion pad, thereby form the reinforcing to cable assembly internal strength, above-mentioned structure is compact, the compliance is good, structural strength is high, tensile strength is good, prevent that the cable is pulling in-process inner structure impaired, the service life of device has been ensured.

2. The safety cable with high safety performance is provided with a fixed block, a connecting block, a first groove, a first pull ring, a first insert block, a second insert block, a first spring, a slide rod, a connecting rod, a second spring, a second pull ring and an insert rod, when two groups of cables are connected, the second pull ring is pulled outwards under the mutual matching of the slide rod, the connecting rod and the second spring to ensure that the insert rod is separated from the bottom end of the second insert block, then the first pull ring is pulled upwards and downwards under the action of the first spring to ensure that the second insert block is separated from the connecting block, after the first insert block at the rear side of the fixed block is inserted into the first groove, the first pull ring is firstly loosened, after the bottom end of the first pull ring is inserted into the first insert block, the second pull ring is loosened, the quick connection and disassembly between the two groups of cables can be conveniently carried out through the structure, and the cable can be ensured to be quickly connected and disassembled when a fire disaster occurs, the operator can conveniently and rapidly cut off the connection between each section of cable, and the fire is prevented from spreading along the trend of the cable.

Drawings

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

FIG. 2 is a schematic sectional view of the side view structure of the present invention;

fig. 3 is a schematic view of the usage status of the fixing block and the connecting block in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 3 according to the present invention.

In the figure: 1. a protective outer sleeve; 2. an outer layer extrusion pad; 3. a wire core wrapping layer; 4. a polyethylene jacket; 5. an inner layer extrusion pad; 6. a polyethylene insulating layer; 7. stranding; 8. a fixed block; 9. connecting blocks; 10. a first slot; 11. a first pull ring; 12. a first insert block; 13. a second insert block; 14. a first cushion; 15. a first spring; 16. a second slot; 17. a slide bar; 18. a connecting rod; 19. a second spring; 20. a second tab; 21. inserting a rod; 22. a second cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a safety cable with high safety performance comprises a protective outer sleeve 1, polyethylene sheaths 4 and stranded wires 7, wherein the polyethylene sheaths 4 are arranged on the inner side of the protective outer sleeve 1 at equal intervals, the stranded wires 7 are arranged on the inner side of each polyethylene sheath 4, an anti-abrasion device is arranged on the inner side of the protective outer sleeve 1 and comprises an outer layer extrusion pad 2, a wire core belting layer 3, an inner layer extrusion pad 5 and polyethylene insulating layers 6, the outer wall of each group of polyethylene sheaths 4 is abutted to the inner side of the wire core belting layer 3, the inner sides of the polyethylene sheaths 4 are all provided with the polyethylene insulating layers 6, the inner side of each group of polyethylene insulating layers 6 is abutted to the stranded wires 7, the safety cable has the advantages of compact structure, good flexibility, high structural strength and good tensile strength, the internal structure of the cable is prevented from being damaged at equal intervals in the dragging process, the service life of the, and the inner wall of the outer layer extrusion pad 2 is glued on the outer wall of the core belting layer 3, the inner wall of the polyethylene sheath 4 is glued with the inner layer extrusion pad 5 at equal intervals, and the inner wall of the inner layer extrusion pad 5 is glued on the outer wall of the polyethylene insulating layer 6, so that the whole device of the cable can be subjected to extrusion protection from inside to outside, and the integrity of the device is ensured.

The upper end and the lower end of the rear side of the protective outer sleeve 1 are both fixed with fixed blocks 8, the middle part of the rear side of each fixed block 8 is both fixed with a first insert block 12, the first insert blocks 12 are all inserted in the first open grooves 10, the first open grooves 10 are all arranged at the front end of a connecting block 9, the connecting blocks 9 are all fixed at the upper side and the lower side of the front end of the other protective outer sleeve 1, the outer wall of the front end of the connecting block 9 is all connected with a first spring 15, the top end of the outer side of the first spring 15 is all connected with the bottom end of the inner side of a first pull ring 11, the middle part of the bottom end of the inner side of the first pull ring 11 is all connected with a second insert block 13, and the second insert blocks 13 are all inserted in holes arranged at the top end of the rear side of the first insert blocks 12, the function of the quick connection and disassembly between two groups of cables can be conveniently carried out, the connection, inserted bar 21 has all been inserted to second inserted block 13 rear side top, and inserted bar 21 rear end inboard all is connected with connecting rod 18, connecting rod 18 inboard all slides at slide bar 17 outer wall, slide bar 17 all connects inside second fluting 16, second fluting 16 all sets up on connecting block 9 outside top, connecting rod 18 front end all is connected with second spring 19, and another termination of second spring 19 encircles slide bar 17 and connects on the inner wall of second fluting 16, connecting rod 18 rear end middle part has been connected with second pull ring 20, its effect lies in more further guaranteeing the fixed between two sets of protective coat 1, the stability of device has been ensured, inserted bar 21 front end all has supported second cushion 22, second inserted block 13 bottom all has first cushion 14, its effect lies in protecting inserted bar 21 front end and second inserted block 13 bottom, the integrality of device has been ensured.

The working principle is as follows: when needs drag the cable, can carry out the extrusion protection from inside to outside to whole device of cable this moment under the mutually supporting of protective sheath 1, outer extrusion pad 2, sinle silk band layer 3 and inlayer extrusion pad 5, unload outside pulling force between polyethylene sheath 4 and inlayer extrusion pad 5 to form the reinforcing to cable device internal strength.

When two groups of cables are connected, at the moment, the second pull ring 20 is pulled outwards under the mutual matching of the sliding rod 17, the connecting rod 18 and the second spring 19, so that the insertion rod 21 is separated from the bottom end of the second insertion block 13, then the first pull ring 11 is pulled by the first spring 15 from the upper end and the lower end, so that the second insertion block 13 is separated from the connecting block 9, after the first insertion block 12 at the rear side of the fixing block 8 is inserted into the first open groove 10, the first pull ring 11 is loosened firstly, after the bottom end of the first pull ring 11 is inserted into the first insertion block 12, the second pull ring 20 is loosened, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a safe cable that security performance is high, includes protective sheath (1), polyethylene sheath (4) and stranded conductor (7), its characterized in that: polyethylene sheath (4) are installed to protective sheath (1) inboard equidistance, polyethylene sheath (4) inboard is provided with stranded conductor (7), protective sheath (1) inboard is provided with the abrasionproof and decreases the device.

2. A high safety cable as claimed in claim 1, wherein: the anti-abrasion device comprises an outer layer extrusion pad (2), a wire core wrapping layer (3), an inner layer extrusion pad (5) and a polyethylene insulating layer (6), each group of the outer wall of the polyethylene sheath (4) is abutted to the inner side of the wire core wrapping layer (3), the inner side of the polyethylene sheath (4) is provided with the polyethylene insulating layer (6), and each group of the polyethylene insulating layer (6) is abutted to the inner side of the stranded wire (7).

3. A high safety cable as claimed in claim 2, wherein: the inner wall of the protective outer sleeve (1) is glued with outer layer extrusion pads (2) at equal intervals, the inner wall of each outer layer extrusion pad (2) is glued on the outer wall of the corresponding wire core wrapping tape layer (3), the inner wall of the polyethylene sheath (4) is glued with inner layer extrusion pads (5) at equal intervals, and the inner wall of each inner layer extrusion pad (5) is glued on the outer wall of the corresponding polyethylene insulating layer (6).

4. A high safety cable as claimed in claim 1, wherein: protection overcoat (1) rear side upper and lower both ends all are fixed with fixed block (8), and fixed block (8) rear side middle part all is fixed with first inserted block (12), first inserted block (12) all insert and establish inside first fluting (10), first fluting (10) are all seted up at connecting block (9) front end, connecting block (9) are all fixed in the upper and lower both sides of another protection overcoat (1) front end, connecting block (9) front end outer wall all is connected with first spring (15), and first spring (15) outside top all connects in the inboard bottom of first pull ring (11), the inboard bottom middle part of first pull ring (11) all is connected with second inserted block (13), and second inserted block (13) all insert and establish inside the hole of seting up on first inserted block (12) rear side top.

5. A high-safety cable according to claim 4, wherein: inserted bar (21) are inserted to second inserted block (13) rear side top all, and inserted bar (21) rear end inboard all is connected with connecting rod (18), connecting rod (18) inboard all slides at slide bar (17) outer wall, slide bar (17) all are connected inside second fluting (16), second fluting (16) all are seted up on connecting block (9) outside top, connecting rod (18) front end all is connected with second spring (19), and the other termination of second spring (19) encircles slide bar (17) and connects on the inner wall of second fluting (16), connecting rod (18) rear end middle part has connect in succession second pull ring (20).

6. A high-safety cable according to claim 5, wherein: the front ends of the inserted bars (21) are all connected with second cushions (22), and the bottom ends of the second inserted blocks (13) are all connected with first cushions (14).

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