CN215007602U

CN215007602U - High-strength waterproof cable

Info

Publication number: CN215007602U
Application number: CN202120779809.4U
Authority: CN
Inventors: 吴海敏
Original assignee: Shenzhen Jili Wire And Cable Co ltd
Current assignee: Shenzhen Jili Wire And Cable Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-12-03
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a waterproof type cable of high strength, including central support, install a plurality of metal sinle silks on central support and set up the lag body in the outside on central support, central support includes the solid fixed cylinder, and a plurality of arc notches have been seted up on solid fixed cylinder week surface, and arc notch inside is provided with two first springs, and first spring top is provided with the arc, and the arc outside is provided with supporting mechanism. The utility model discloses in by the metal core, center support and lag body constitute complete cable body, when the cable body is compressed, the metal core makes the backup pad take place to deform, to a lateral bending, the buffering subassembly avoids causing extrusion fracture to other metal core, when the supporting mechanism of a direction receives the extrusion, another supporting mechanism atress simultaneously in the direction of its atress, the inside first spring that sets up of arc notch unloads the power to the extrusion force, avoid the cable body to receive the damage, improve the life of cable body.

Description

High-strength waterproof cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to waterproof type cable of high strength.

Background

The plastic for the wire and cable insulation and sheath is commonly called as a cable material, and comprises various varieties of rubber, plastic, nylon and the like, the waterproof cable has more and more requirements in large-scale engineering in recent years, the waterproof cable must be used in humid and ponding environments, the cables used in ocean development projects in coastal areas all have waterproof requirements, and the cables used in subway projects also have waterproof requirements. In the past analysis of cable quality accidents, the consequences caused by water inflow of the cable increasingly attach importance to cable manufacturers, and the requirement on the waterproof performance of the cable is higher and higher.

The prior art has the following defects: the existing waterproof cable is generally provided with a waterproof layer made of materials such as rubber, plastic and nylon at the outer side of a cable sleeve, but due to the fact that the waterproof layer is low in strength and poor in anti-stretching effect, workers can easily damage an outer protective layer in the cable laying process.

Therefore, it is necessary to develop a high strength waterproof cable.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a waterproof type cable of high strength constitutes complete cable body through metal sinle silk, center support and lag body to it is lower to solve waterproof cable intensity, and stretch-proofing effect is not good, and the staff is going on the cable laying in-process, destroys the problem of outer jacket very easily.

In order to achieve the above object, the present invention provides the following technical solutions: a high-strength waterproof cable comprises a central support, a plurality of metal wire cores and a protective sleeve body, wherein the metal wire cores are mounted on the central support, the protective sleeve body is arranged on the outer side of the central support, the central support comprises a fixed cylinder, a plurality of arc-shaped notches are formed in the circumferential surface of the fixed cylinder, two first springs are arranged in the arc-shaped notches, an arc-shaped plate is arranged at the tops of the first springs, a supporting mechanism is arranged on the outer side of the arc-shaped plate and comprises two supporting plates, the bottoms of the two supporting plates are fixedly connected with the arc-shaped plate, a buffer assembly is arranged between the two supporting plates and comprises a telescopic rod, and a second spring is sleeved on the telescopic rod;

the fixed cylinder is hollow, and is a plurality of the metal core sets up adjacent two between the supporting mechanism, one of them the metal core sets up inside fixed cylinder, the metal core outside is provided with the non-woven fabrics around the covering.

Preferably, the protection cover body comprises an insulating layer, a shielding layer and a waterproof layer, and the insulating layer, the shielding layer and the waterproof layer are sequentially bonded and tightly attached to each other.

Preferably, the lag body still includes the wearing layer, the wearing layer is the PVB pipe, insulating layer, shielding layer and waterproof layer all set up at the PVB intraduct, the waterproof layer outside closely laminates the setting with the PVB intraductal wall.

Preferably, the insulating layer asbestos fiber is woven by adopting a mat type woven mesh or a wrapping and longitudinal wrapping mode.

Preferably, the shielding layer is formed by stretching and weaving a metal copper wire.

Preferably, the inner wall of the PVB pipe is sprayed with polyethylene powder coating

Preferably, the two ends of the telescopic rod are respectively fixedly connected with one side of the two supporting plates.

Preferably, the two first springs are symmetrically arranged, the bottom ends of the first springs are fixedly connected with the fixed cylinder, and the tops of the first springs are fixedly connected with the bottom of the arc-shaped plate.

Preferably, the waterproof layer is made of high-molecular thermoplastic polyolefin.

Preferably, the waterproof layer is made of a water blocking rope.

The utility model has the advantages that:

1. in the utility model, the metal wire core is arranged on the central bracket, the outer side of the central bracket is provided with the protective sleeve body, the metal wire core, the central bracket and the protective sleeve body form the complete cable body, the non-woven fabric wrapping layer is arranged outside the metal wire core, and a plurality of metal wire cores are arranged between two adjacent supporting mechanisms, thereby greatly avoiding the contact of the metal wire core and causing the condition of circuit break, the supporting mechanism comprises two supporting plates, a buffer component is arranged between the two supporting plates, when the cable body is pressed, the metal wire core extrudes the supporting mechanism at one side of the supporting plate, the supporting plate deforms and bends to one side, the buffer component is arranged to provide a certain supporting force for the supporting plates, further buffer the extrusion force applied to the metal wire core, avoid the extrusion fracture of other metal wire cores, and two first springs are arranged inside the arc-shaped notch, when the supporting mechanism in one direction is extruded, the other supporting mechanism in the stress direction is stressed at the same time, and the extrusion force is relieved through the first springs arranged in the two arc-shaped notches, so that the cable body is prevented from being damaged, and the service life of the cable body is prolonged;

2. the utility model discloses well lag body includes insulating layer, shielding layer, waterproof layer and wearing layer, and the insulating layer further improves the insulating properties of cable body, and the setting of shielding layer is avoided the cable to receive external electromagnetic signal's interference, and the waterproof performance of cable body is further improved in the setting of waterproof layer, and the wearing layer adopts the PVB pipe, avoids the staff in going on to cable laying process, very destroys other protective layers, and then improves the wear resistance of cable body.

Drawings

Fig. 1 is a schematic view of the overall structure of the high-strength waterproof cable provided by the present invention;

fig. 2 is a schematic structural view of the center bracket according to the present invention;

fig. 3 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 provided by the present invention;

in the figure: 1. a metal wire core; 2. a fixed cylinder; 3. an arc-shaped notch; 4. a first spring; 5. an arc-shaped plate; 6. a support plate; 7. a telescopic rod; 8. a second spring; 9. a non-woven fabric wrapping layer; 10. an insulating layer; 11. a shielding layer; 12. a waterproof layer; 13. and a wear-resistant layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, refer to fig. 1-3, the utility model provides a pair of waterproof type cable of high strength, including central support, install a plurality of metal core 1 on central support and set up the lag body in the outside on central support, its characterized in that: the central support comprises a fixed cylinder 2, a plurality of arc-shaped notches 3 are formed in the circumferential surface of the fixed cylinder 2, two first springs 4 are arranged inside the arc-shaped notches 3, an arc-shaped plate 5 is arranged at the top of each first spring 4, a supporting mechanism is arranged on the outer side of each arc-shaped plate 5 and comprises two supporting plates 6, the bottoms of the two supporting plates 6 are fixedly connected with the arc-shaped plates 5, a buffering assembly is arranged between the two supporting plates 6 and comprises a telescopic rod 7, and a second spring 8 is sleeved on the telescopic rod 7;

fixed cylinder 2 is the cavity setting, the cable body includes a plurality of metal sinle silk 1 sets up adjacent two between the supporting mechanism, one of them metal sinle silk 1 sets up inside fixed

cylinder

2, 1 outside of metal sinle silk is provided with the non-woven fabrics around covering 9.

Further, the protective sleeve body comprises an insulating layer 10, a shielding layer 11 and a waterproof layer 12, the insulating layer 10, the shielding layer 11 and the waterproof layer 12 are sequentially bonded and tightly attached, and the protective sleeve body is arranged on a central support with the metal wire core 1, so that the metal wire core 1 can be higher included;

furthermore, the protective sleeve body further comprises a wear-resistant layer 13, the wear-resistant layer 13 is a PVB pipe, the insulating layer 10, the shielding layer 11 and the waterproof layer 12 are all arranged inside the PVB pipe, the outer side of the waterproof layer 12 is tightly attached to the inner wall of the PVB pipe, and the wear-resistant layer 13 is the PVB pipe, so that a worker is prevented from damaging other protective layers in the cable laying process, and the wear resistance of the cable body is improved;

furthermore, the asbestos fibers of the insulating layer 10 are woven by adopting a mat-type woven mesh or a wrapping and longitudinal wrapping mode, so that the insulating property of the cable body is further improved;

furthermore, the shielding layer 11 is formed by stretching and weaving a metal copper wire, so that the cable is prevented from being interfered by external electromagnetic signals;

furthermore, polyethylene powder coating is sprayed on the inner wall of the PVB pipe, so that the cable body has an antistatic effect to a certain extent, and the anti-electromagnetic interference effect of the cable body is further improved;

furthermore, two ends of the telescopic rod 7 are respectively fixedly connected with one side of the two support plates 6;

furthermore, the two first springs 4 are symmetrically arranged, the bottom ends of the first springs 4 are fixedly connected with the fixed cylinder 2, the tops of the first springs 4 are fixedly connected with the bottom of the arc-shaped plate 5, and the first springs 4 are symmetrically arranged, so that the supporting force of the arc-shaped plate 5 is better and uniform;

further, the waterproof layer 12 is made of high-molecular thermoplastic polyolefin.

The utility model discloses a use as follows: when the cable is used, the metal wire core 1 is arranged on the central support, the protective sleeve body is arranged outside the central support, the metal wire core 1, the central support and the protective sleeve body form a complete cable body, the non-woven fabric wrapping layer 9 is arranged outside the metal wire core 1, and the plurality of metal wire cores 1 are arranged between two adjacent supporting mechanisms, so that the condition that the metal wire core 1 is contacted and broken is caused is greatly avoided, when the cable body is pressed, the metal wire core 1 extrudes the supporting plate 6 in the supporting mechanism at one side of the metal wire core 1, the supporting plate 6 deforms and bends to one side, the telescopic rod 7 and the second spring 8 are arranged to provide a certain supporting force for the supporting plate 6, further the extrusion force applied to the metal wire core 1 is buffered, the extrusion fracture of other metal wire cores 1 is avoided, and two first springs 4 are arranged inside the arc-shaped notch 3, receive the extrusion extremely as the supporting mechanism of a direction, another supporting mechanism atress in the direction of its atress simultaneously, and then unload the power to the extrusion force through a plurality of first springs 4 of 3 inside settings of two arc notches, avoid the cable body to receive the damage.

Embodiment 2, refer to fig. 4, the utility model provides a pair of waterproof type cable of high strength, including central support, install a plurality of metal core 1 on central support and set up the lag body in the outside on central support, its characterized in that: the central support comprises a fixed cylinder 2, a plurality of arc-shaped notches 3 are formed in the circumferential surface of the fixed cylinder 2, two first springs 4 are arranged inside the arc-shaped notches 3, an arc-shaped plate 5 is arranged at the top of each first spring 4, a supporting mechanism is arranged on the outer side of each arc-shaped plate 5 and comprises two supporting plates 6, the bottoms of the two supporting plates 6 are fixedly connected with the arc-shaped plates 5, a buffering assembly is arranged between the two supporting plates 6 and comprises a telescopic rod 7, and a second spring 8 is sleeved on the telescopic rod 7;

cylinder

Further, the waterproof layer 12 is made of a water blocking rope.

The utility model discloses a use as follows: use the utility model discloses the time through installing metal core 1 on the center support to set up the lag body outside the center support, constitute complete cable body by metal core 1, center support and lag body, in embodiment 1 that compares, 12 layers of waterproof layer in this embodiment protective sheath body adopt the rope that blocks water to make, and when the area can reach the same or close water-proof effects, the rope that blocks water is cheap, and then lower to the cost of cable body, is favorable to the manufacturing of enterprise.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a waterproof type cable of high strength, includes central support, installs a plurality of metal core (1) on central support and sets up the lag body in the outside on central support, its characterized in that: the center support comprises a fixed cylinder (2), a plurality of arc-shaped notches (3) are formed in the circumferential surface of the fixed cylinder (2), two first springs (4) are arranged inside the arc-shaped notches (3), an arc-shaped plate (5) is arranged at the top of each first spring (4), a supporting mechanism is arranged on the outer side of each arc-shaped plate (5), each supporting mechanism comprises two supporting plates (6), the bottoms of the two supporting plates (6) are fixedly connected with the arc-shaped plates (5), a buffering assembly is arranged between the two supporting plates (6), each buffering assembly comprises a telescopic rod (7), and a second spring (8) is sleeved on each telescopic rod (7);

fixed cylinder (2) are the cavity setting, and are a plurality of metal sinle silk (1) set up adjacent two between the supporting mechanism, one of them metal sinle silk (1) set up inside fixed cylinder (2), metal sinle silk (1) outside is provided with non-woven fabrics around covering (9).

2. A high strength waterproof cable according to claim 1, wherein: the protective sleeve body comprises an insulating layer (10), a shielding layer (11) and a waterproof layer (12), wherein the insulating layer (10), the shielding layer (11) and the waterproof layer (12) are sequentially bonded and tightly attached.

3. A high strength waterproof cable according to claim 2, wherein: the protective sleeve body further comprises a wear-resistant layer (13), the wear-resistant layer (13) is a PVB pipe, the insulating layer (10), the shielding layer (11) and the waterproof layer (12) are all arranged inside the PVB pipe, and the outer side of the waterproof layer (12) is closely attached to the inner wall of the PVB pipe.

4. A high strength waterproof cable according to claim 2, wherein: the insulating layer (10) is formed by weaving asbestos fibers in a mat type woven mesh mode or a wrapping and longitudinal wrapping mode.

5. A high strength waterproof cable according to claim 2, wherein: the shielding layer (11) is formed by stretching and weaving a metal copper wire.

6. A high strength waterproof cable according to claim 3, wherein: and polyethylene powder coating is sprayed on the inner wall of the PVB pipe.

7. A high strength waterproof cable according to claim 1, wherein: two ends of the telescopic rod (7) are respectively fixedly connected with one side of the two supporting plates (6).

8. A high strength waterproof cable according to claim 1, wherein: two first spring (4) symmetry sets up, first spring (4) bottom and a fixed cylinder (2) fixed connection, first spring (4) top and arc (5) bottom fixed connection.

9. A high strength waterproof cable according to claim 2, wherein: the waterproof layer (12) is made of high-molecular thermoplastic polyolefin.

10. A high strength waterproof cable according to claim 2, wherein: the waterproof layer (12) is made of a water-blocking rope.