CN214753108U

CN214753108U - Water-blocking moistureproof heat-resistant cable

Info

Publication number: CN214753108U
Application number: CN202121059055.1U
Authority: CN
Inventors: 肖畅; 陈大才; 肖振华; 吴伟
Original assignee: Wuhan Wuhu Cable Co ltd
Current assignee: Wuhan Wuhu Cable Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-16
Anticipated expiration: 2031-05-18

Abstract

The utility model provides a water-blocking dampproof heat-resistant cable, which relates to the technical field of cables and comprises a conductor and a filling layer wrapped by the outer wall of the conductor, wherein the outer wall of the filling layer is sleeved with a shielding layer, the outer wall of the shielding layer is fixed with a positioning rod, the outer wall of the shielding layer is sleeved with an inner flame-retardant protective layer connected with the positioning rod, the outer wall of the shielding layer is sleeved with a compressed sponge contacting with the shielding layer, an oval deformation film is arranged between the compressed sponge and the inner flame-retardant protective layer, the water-blocking dampproof heat-resistant cable can obstruct high temperature through air, the normal transmission of the cable to electric power is ensured, simultaneously when the outer wall of the cable is damaged and enters water, the compressed sponge can absorb water and expand, and the deformation film is extruded to cling to the inner wall of the inner flame-retardant protective layer, so as to shade the damaged part, the degree of further damage to the cable is reduced, and the water blocking performance of the cable is improved.

Description

Water-blocking moistureproof heat-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a dampproofing heat-resisting cable blocks water.

Background

A large number of cables are applied in power construction, the cable has good insulating property, the power supply reliability can be improved, the appearance of the city is beautified, and the popularization and application values are higher. In the cable construction process, the phenomenon that the cable is affected with damp and enters water sometimes happens, and the potential hidden danger influencing the safe operation of the cable is formed. The existing cable is dampproof and heat-insulated through the material of the composition structure, but when the cable is damaged by external factors, the moisture entering the cable cannot be blocked, and the normal transportation of electric power is easily influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a dampproofing heat-resisting cable blocks water, when having solved the cable and receiving external factor damage, can't block getting into its inside moisture, the problem of the normal transportation of easy influence electric power.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a dampproofing heat-resisting cable blocks water, includes the filling layer of conductor and outer wall parcel, the outer wall of filling layer has cup jointed the shielding layer, and the outer wall of shielding layer is fixed with the locating lever, the outer wall cover of shielding layer is equipped with the interior flame retardant protective layer of being connected with the locating lever, the outer wall cover of shielding layer is equipped with the compression sponge rather than the contact, and is equipped with oval-shaped deformation membrane between compression sponge and the interior flame retardant protective layer, and the outside cover of interior flame retardant protective layer is equipped with outer protective layer.

Further, the inner wall of outer protective layer is equipped with the insulating layer, and the inner wall of insulating layer is equipped with waterproof ventilated membrane, through the isolated outside heat of insulating layer, reduces the destruction degree of outer protective layer by high temperature simultaneously, keeps the whole appearance of cable, avoids the cable to receive further damage, and waterproof ventilated membrane can be when the damaged liquid of insulating layer flows out, intercepts liquid simultaneously, guarantees the water blocking performance of cable.

Furthermore, the number of the conductors is three, and the middle parts of the three conductors are provided with stress cables which can resist the tensile force applied to the cable, so that the probability of cable breakage is reduced.

Further, the annular array of deformation membrane is in the outside of compression sponge, and the length of deformation membrane can be adjusted according to actual demand, and same axial deformation membrane tip cup joints, guarantees the outside protection effect of deformation membrane to the shielding layer.

Furthermore, the outer wall of the outer protection layer is sprayed with a protection coating, so that the wear resistance of the outer protection layer can be improved, and the durability of the cable is improved.

(III) advantageous effects

The utility model provides a dampproofing heat-resisting cable blocks water. The method has the following beneficial effects:

1. this dampproofing heat-resisting cable blocks water, through set up the space between shielding layer and interior flame retardant protective layer, the accessible air carries out the separation to high temperature, guarantees the cable to the normal transmission of electric power, and when the damaged moisture that gets into of cable outer wall simultaneously, the expansion of absorbable moisture of compression sponge, the inner wall of flame retardant protective layer in extrusion deformation membrane makes it hug closely simultaneously can shelter from damaged department, reduces the degree that the cable received further destruction, improves the water blocking performance of cable.

2. This dampproofing heat-resisting cable blocks water, through the isolated outside heat of insulating layer, reduce the destruction degree of outer protective layer by high temperature simultaneously, keep the whole appearance of cable, avoid the cable to receive further damage, waterproof ventilated membrane can be when the damaged liquid outflow of insulating layer, intercepts liquid simultaneously, guarantees the water blocking performance of cable, and the insulating layer is made for cyclic annular water bag, and inside packing has moisture, can reduce external high temperature to the inside influence of cable.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the figure: 1. a conductor; 2. a filling layer; 3. a shielding layer; 4. positioning a rod; 5. an inner flame-retardant protective layer; 6. compressing the sponge; 7. deforming the film; 8. an outer protective layer; 9. a thermal insulation layer; 10. a waterproof breathable film; 11. a stress cable.

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.

The embodiment of the utility model provides a dampproofing heat-resisting cable blocks water, as shown in figure 1-2, including conductor 1 and its outer wall parcel filling layer 2, the quantity of conductor 1 has three, and the middle part of three conductor 1 is equipped with atress cable 11, atress cable 11 can resist the pulling force that the cable received, reduce the cracked probability of cable, the outer wall of filling layer 2 is cup jointed shielding layer 3, and shielding layer 3's outer wall is fixed with locating lever 4, shielding layer 3's outer wall cover is equipped with the interior flame retardant protective layer 5 of being connected with locating lever 4, locating lever 4 can fix shielding layer 3, guarantee that it is in the axle center department of cable, shielding layer 3's outer wall cover is equipped with the compression sponge 6 of contacting with it, and be equipped with oval-shaped deformation membrane 7 between compression sponge 6 and the interior flame retardant protective layer 5, the outside cover of flame retardant protective layer 5 is equipped with interior protective layer 8, through setting up the space between shielding layer 3 and interior flame retardant protective layer 5, the high temperature can be blocked by air, the normal transmission of the cable to the electric power is ensured, meanwhile, when the outer wall of the cable is damaged and enters moisture, the compression sponge 6 can absorb moisture to expand, and meanwhile, the deformation film 7 is extruded to be tightly attached to the inner wall of the inner flame-retardant protective layer 5, the damaged part can be blocked, the further damage degree of the cable is reduced, the water resistance of the cable is improved, the outer wall of the outer protective layer 8 is sprayed with a protective coating, the wear resistance of the outer protective layer 8 can be improved, the durability of the cable is improved, the deformation film 7 is annularly arrayed on the outer side of the compression sponge 6, the length of the deformation film 7 can be adjusted according to actual requirements, the end part of the deformation film 7 in the same axial direction is sleeved, the protection effect of the deformation film 7 on the outer part of the shielding layer 3 is ensured, the inner wall of the outer protective layer 8 is provided with a heat-insulating layer 9, the inner wall of the insulating layer 9 is provided with a waterproof breathable film 10, and the heat on the outer part is isolated by the insulating layer 9, meanwhile, the damage degree of the outer protective layer 8 caused by high temperature is reduced, the overall appearance of the cable is kept, the cable is prevented from being further damaged, meanwhile, the waterproof breathable film 10 can intercept liquid when the damaged liquid of the heat insulation layer 9 flows out, and the water blocking performance of the cable is guaranteed.

The working principle is as follows: during the use, through the isolated outside heat of insulating layer 9, reduce the destruction degree of outer protective layer 8 by high temperature simultaneously, keep the whole appearance of cable, avoid the cable to receive further damage, waterproof ventilated membrane 10 can be when the damaged liquid of insulating layer 9 flows out, intercept liquid simultaneously, guarantee the water blocking performance of cable, set up the space between shielding layer 3 and interior fire-retardant protective layer 5, the accessible air carries out the separation to the high temperature, guarantee the cable is to the normal transmission of electric power, simultaneously when the damaged moisture that gets into of cable outer wall, the expansion of absorbable moisture of compression sponge 6, extrude deformation membrane 7 simultaneously and make it hug closely the inner wall of interior fire-retardant protective layer 5, can shelter from damaged department, reduce the degree that the cable received further destruction, improve the water blocking performance of cable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dampproofing heat-resisting cable blocks water, its characterized in that, filling layer (2) including conductor (1) and outer wall parcel thereof, shielding layer (3) have been cup jointed to the outer wall of filling layer (2), and the outer wall of shielding layer (3) is fixed with locating lever (4), the outer wall cover of shielding layer (3) is equipped with interior fire retardant protective layer (5) of being connected with locating lever (4), the outer wall cover of shielding layer (3) is equipped with compression sponge (6) rather than the contact, and is equipped with oval-shaped deformation membrane (7) between compression sponge (6) and interior fire retardant protective layer (5), the outside cover of interior fire retardant protective layer (5) is equipped with outer protective layer (8).

2. A water-blocking moisture-proof heat-resistant cable as claimed in claim 1, wherein: the inner wall of the outer protective layer (8) is provided with a heat insulation layer (9), and the inner wall of the heat insulation layer (9) is provided with a waterproof breathable film (10).

3. A water-blocking moisture-proof heat-resistant cable as claimed in claim 1, wherein: the number of the conductors (1) is three, and stress cables (11) are arranged in the middle of the three conductors (1).

4. A water-blocking moisture-proof heat-resistant cable as claimed in claim 1, wherein: the deformation membrane (7) is annularly arrayed on the outer side of the compression sponge (6), and the end parts of the deformation membrane (7) in the same axial direction are sleeved.

5. A water-blocking moisture-proof heat-resistant cable as claimed in claim 1, wherein: and the outer wall of the outer protective layer (8) is sprayed with a protective coating.