CN210200377U

CN210200377U - Multi-core cable

Info

Publication number: CN210200377U
Application number: CN201921640644.1U
Authority: CN
Inventors: Delan Lin; 林德兰
Original assignee: Qingdao Zhongkai United Cable Co Ltd
Current assignee: Qingdao Zhongkai United Cable Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-03-27
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a multicore cable, including insulating composite bed, butt joint layer and outer inoxidizing coating, insulating composite bed's surface is provided with the butt joint layer, and the inboard of butt joint layer installs the metal armor to the outer fixed surface of butt joint layer is connected with the lug, the outer end cover of butt joint layer is equipped with the foam aluminium lamination, and the internal surface of foam aluminium lamination has seted up the draw-in groove to the draw-in groove is connected with the lug, the outer fixed surface of foam aluminium lamination is connected with the stopper, the storage tank has been seted up in the outside of foam aluminium lamination, and the surface mounting of foam aluminium lamination has the hydrophobic coating, the surface of hydrophobic coating bonds there is outer. According to the multi-core cable, through the change of the color difference of the outer surface of the multi-core cable, a user can know the exposure state of the foam aluminum layer and the hydrophobic coating after long-time working, and then the user can know the abrasion degree of the multi-core cable in time, so that the damaged part of the cable can be replaced in time.

Description

Multi-core cable

Technical Field

The utility model relates to a multicore cable technical field specifically is a multicore cable.

Background

The multi-core cable is a cable with more than one insulated wire core, is a key link for connecting various functions of electronic products, is widely applied to the fields of aerospace, maritime warships and the like, and has certain defects in the conventional multi-core cable, such as:

for example, the core wire and the multi-core cable for the multi-core cable with the publication number of CN106817914B have excellent bending resistance and flexibility at low temperature, but the existing multi-core cable does not have good sealing and waterproof performance, so that the phenomenon of water seepage easily occurs inside the cable during working, meanwhile, the existing multi-core cable has low strength and poor wear resistance, and a user cannot conveniently know the wear degree of the cable, so that the cable can be replaced in time.

In order to solve the problems, innovative design is urgently needed on the basis of the original multi-core cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicore cable to solve that above-mentioned background art proposes and do not possess better waterproof sealing performance, lead to the inside phenomenon that easily appears the infiltration of its during operation, current multicore cable intensity is less simultaneously, and degree of wear is relatively poor, also can't let its degree of wear of the convenient understanding of user, thereby the problem of timely changing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multicore cable, includes insulating composite bed, butt joint layer and outer inoxidizing coating, the surface of insulating composite bed is provided with the butt joint layer, and the inboard of butt joint layer installs the metal armor to the outer fixed surface of butt joint layer is connected with the lug, the outer end cover of butt joint layer is equipped with the foam aluminium lamination, and the internal surface of foam aluminium lamination has seted up the draw-in groove to the draw-in groove is connected with the lug, the outer fixed surface of foam aluminium lamination is connected with the stopper, the storage tank has been seted up in the outside of foam aluminium lamination, and the surface mounting of foam aluminium lamination has hydrophobic coating, the inboard fixedly connected with of hydrophobic coating seals the butt joint piece, and seals the butt joint piece and be connected with the storage tank, the surface bonding of hydrophobic.

Preferably, the butt joint layer is made of epoxy resin, lugs are uniformly distributed on the outer surface of the butt joint layer, and the butt joint layer and the inner surface of the foamed aluminum layer form concave-convex matching through the lugs.

Preferably, the metal armor layers are distributed on the inner surface of the butt-joint layer at equal angles, the metal armor layers and the butt-joint layer are in nested connection, and the diameter of each metal armor layer is smaller than the thickness of the foamed aluminum layer.

Preferably, the thickness of the foamed aluminum layer is equal to the thickness of the hydrophobic coating, and the color depth of the outer surface of the hydrophobic coating is greater than the color depth of the outer surface of the foamed aluminum layer.

Preferably, the lower end face of the hydrophobic coating and the sealing butt joint block are of an integrated structure, the hydrophobic coating and the foam aluminum layer form a clamping structure through a limiting block, and the inner surface of the hydrophobic coating is attached to the outer surface of the foam aluminum layer.

Preferably, the sealing butt joint block is of a circular ring-shaped structure, is made of rubber and is in concave-convex fit with the foam aluminum layer through the accommodating groove.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-core cable;

1. the sealing butt-joint block with the annular structure is arranged, when the hydrophobic coating is in butt joint with the foam aluminum layer, the annular sealing butt-joint block on the inner side of the hydrophobic coating is stably clamped on the inner surface of the foam aluminum layer, so that the effect of attaching and sealing from the end part of the whole device is realized, and the waterproof performance of the whole device is stably improved by matching with the waterproof material of the hydrophobic coating;

2. the metal armor layers are uniformly distributed, the strength and the deformation tension of the cable are fully improved through the metal armor layers penetrating through the inner sides of the butt joint layers, the multi-core cable is prevented from being easily broken, meanwhile, the hydrophobic coating and the foam aluminum layer are arranged in a concave-convex matched and superposed double-layer structure, and the strength of the whole device is further improved;

3. the multi-core cable is provided with the foam aluminum layer and the hydrophobic coating which are different in color, and through the change of color difference of the outer surface of the multi-core cable, a user can know the exposure state of the foam aluminum layer and the hydrophobic coating after long-time working, so that the user can know the abrasion degree of the multi-core cable in time, and the damaged part of the cable is replaced in time.

Drawings

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

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

fig. 3 is a schematic view of the three-dimensional structure of the sealing and docking block of the present invention.

In the figure: 1. an insulating composite layer; 2. a butt joint layer; 3. a metal armor layer; 4. a bump; 5. a foamed aluminum layer; 6. a card slot; 7. a limiting block; 8. a containing groove; 9. a hydrophobic coating; 10. sealing the butt-joint block; 11. and an outer protective layer.

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. 1-3, the present invention provides a technical solution: a multi-core cable comprises an insulating composite layer 1, a butt joint layer 2, a metal armor layer 3, a convex block 4, a foam aluminum layer 5, a clamping groove 6, a limiting block 7, a containing groove 8, a hydrophobic coating 9, a sealing butt joint block 10 and an outer protective layer 11, wherein the butt joint layer 2 is arranged on the outer surface of the insulating composite layer 1, the metal armor layer 3 is installed on the inner side of the butt joint layer 2, the convex block 4 is fixedly connected to the outer surface of the butt joint layer 2, the butt joint layer 2 is made of epoxy resin, the convex block 4 is uniformly distributed on the outer surface of the butt joint layer 2, the butt joint layer 2 and the inner surface of the foam aluminum layer 5 form concave-convex matching through the convex block 4, the contact area between the butt joint layer 2 and the foam aluminum layer 5 is larger through the uniformly distributed convex;

the metal armor layers 3 are distributed on the inner surface of the butt joint layer 2 at equal angles, the metal armor layers 3 are connected with the butt joint layer 2 in a nested mode, the diameter of each metal armor layer 3 is smaller than the thickness of the corresponding foamed aluminum layer 5, the hardness of the multi-core cable is stably improved through the metal armor layers 3 with hard texture, and the phenomenon that the multi-core cable is easily damaged is avoided;

the outer end of the butt joint layer 2 is sleeved with a foam aluminum layer 5, the inner surface of the foam aluminum layer 5 is provided with a clamping groove 6, the clamping groove 6 is connected with the bump 4, the outer surface of the foam aluminum layer 5 is fixedly connected with a limiting block 7, the outer side of the foam aluminum layer 5 is provided with a containing groove 8, the outer surface of the foam aluminum layer 5 is provided with a hydrophobic coating 9, the thickness of the foam aluminum layer 5 is equal to the thickness of the hydrophobic coating 9, the color depth of the outer surface of the hydrophobic coating 9 is larger than the color depth of the outer surface of the foam aluminum layer 5, and a user can know the abrasion degree of the cable according to the color of the outer surface of;

the inboard fixedly connected with of hydrophobic coating 9 seals butt joint piece 10, and sealed butt joint piece 10 is connected with storage tank 8, the surface bonding of hydrophobic coating 9 has outer inoxidizing coating 11, and hydrophobic coating 9 is connected with stopper 7, the lower terminal surface of hydrophobic coating 9 and sealed butt joint piece 10 be the integral structure, and hydrophobic coating 9 passes through stopper 7 and foam aluminium lamination 5 constitution block structure, and the internal surface of hydrophobic coating 9 and the surface of foam aluminium lamination 5 laminate mutually, sealed butt joint piece 10 is the ring structure, and sealed butt joint piece 10 is the rubber material, and sealed butt joint piece 10 passes through storage tank 8 and foam aluminium lamination 5 constitution unsmooth cooperation, block state between butt joint piece 10 and the foam aluminium lamination 5 through rubber seal, the effectual inside condition of rivers infiltration this cable of having avoided appears.

The working principle is as follows: when the multi-core cable is used, according to the figures 1-3, firstly, the multi-core cable is butted with external equipment, then the multi-core cable can be connected with a power supply for signal transmission work, when the outer end of the outer protective layer 11 needs to wade when working, water flow can be in contact with the outer surface of the outer protective layer 11 in advance, meanwhile, when the hydrophobic coating 9 is butted with the foamed aluminum layer 5, the annular sealing butt-joint block 10 at the inner side of the hydrophobic coating 9 is stably clamped in the containing groove 8 at the inner surface of the foamed aluminum layer 5, so that the effect of laminating and sealing from the end part of the whole device is realized, the waterproof performance of the whole device is stably improved by matching with the waterproof material of the hydrophobic coating 9, the water flow is blocked at the outer sides of the foamed aluminum layer 5 and the sealing butt-joint block 10, the condition that the water flow enters the cable is effectively prevented, and meanwhile, the metal armor layers 3, the strength and the deformation tension of the cable are fully improved, the multi-core cable is prevented from being easily broken, and meanwhile, the hydrophobic coating 9 and the foam aluminum layer 5 are arranged in a concave-convex matched and superposed double-layer structure, so that the self strength of the whole device is further improved, and the service life of the multi-core cable is fully prolonged;

according to fig. 1, after the multi-core cable works for a long time, a user can know the exposed state of the foam aluminum layer 5 and the hydrophobic coating 9 outside the insulating composite layer 1 after working for a long time through the change of the color difference of the outer surface of the outer protective layer 11, so that the user can know the wear degree of the multi-core cable in time, if the foam aluminum layer 5 with a deeper color is exposed outside, the user needs to replace the damaged partial cable in time, and the practicability of the whole device is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A multicore cable, includes insulating composite bed (1), butt joint layer (2) and outer inoxidizing coating (11), its characterized in that: the outer surface of the insulation composite layer (1) is provided with a butt joint layer (2), the inner side of the butt joint layer (2) is provided with a metal armor layer (3), the outer surface of the butt joint layer (2) is fixedly connected with a lug (4), the outer end of the butt joint layer (2) is sleeved with a foam aluminum layer (5), the inner surface of the foam aluminum layer (5) is provided with a clamping groove (6), the clamping groove (6) is connected with the lug (4), the outer surface of the foam aluminum layer (5) is fixedly connected with a limiting block (7), the outer side of the foam aluminum layer (5) is provided with a containing groove (8), the outer surface of the foam aluminum layer (5) is provided with a hydrophobic coating (9), the inner side of the hydrophobic coating (9) is fixedly connected with a sealing butt joint block (10), the sealing butt joint block (10) is connected with the containing groove (8), and the outer surface of the hydrophobic, and the hydrophobic coating (9) is connected with the limiting block (7).

2. The multi-core cable of claim 1, wherein: the butt joint layer (2) is made of epoxy resin, the bumps (4) are uniformly distributed on the outer surface of the butt joint layer (2), and the butt joint layer (2) is in concave-convex fit with the inner surface of the foam aluminum layer (5) through the bumps (4).

3. The multi-core cable of claim 1, wherein: the metal armor layers (3) are distributed on the inner surface of the butt joint layer (2) at equal angles, the metal armor layers (3) are connected with the butt joint layer (2) in a nested mode, and the diameter of each metal armor layer (3) is smaller than the thickness of the foam aluminum layer (5).

4. The multi-core cable of claim 1, wherein: the thickness of the foamed aluminum layer (5) is equal to that of the hydrophobic coating (9), and the color depth of the outer surface of the hydrophobic coating (9) is larger than that of the outer surface of the foamed aluminum layer (5).

5. The multi-core cable of claim 1, wherein: the lower end face of the hydrophobic coating (9) and the sealing butt joint block (10) are of an integrated structure, the hydrophobic coating (9) and the foam aluminum layer (5) form a clamping structure through a limiting block (7), and the inner surface of the hydrophobic coating (9) is attached to the outer surface of the foam aluminum layer (5).

6. The multi-core cable of claim 1, wherein: the sealing butt joint block (10) is of a circular ring-shaped structure, the sealing butt joint block (10) is made of rubber, and the sealing butt joint block (10) is in concave-convex fit with the foam aluminum layer (5) through the accommodating groove (8).