CN210073371U

CN210073371U - Bending-resistant cable structure

Info

Publication number: CN210073371U
Application number: CN201921482965.3U
Authority: CN
Inventors: 郑燕珠; 曾钦武; 林友竺
Original assignee: Guangdong Nanyang Cable Co Ltd
Current assignee: Guangdong Nanyang Cable Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-02-14
Anticipated expiration: 2029-09-07

Abstract

The utility model relates to the technical field of cables, and a bending-resistant cable structure is disclosed, the frequent bending of bending-resistant cable structure in the existing market is solved, the ability of cable bending resistance is not strong, causes local epidermis to split easily, causes potential safety hazards such as electric leakage, epidermis to get rid of the difficulty, easily causes the injury to staff's hand, and the safety degree is low, and the speed of skinning is slow, problem that work efficiency is low, and it includes the epidermis, the fiber rope is installed at the middle part of epidermis inner chamber, and the cable is installed to the outside of fiber rope, and the insulating sinle silk is installed to the outside of cable, and the fiber core is installed to the outside of insulating sinle silk, and the polyester area is installed to the outside of fiber core, and the mounting box is fixed to the outside of epidermis, and protection piece is installed at the; the utility model discloses, it is high to have tensile strength, and the slip is good between sinle silk and the sinle silk, long service life, simple of skinning, and the degree of safety is high, and it is fast to skin, advantage that work efficiency is high.

Description

Bending-resistant cable structure

Technical Field

The utility model belongs to the technical field of the cable, specifically be a resistant crooked cable structure.

Background

The cable can be divided into a direct current cable and an alternating current cable according to a system of a photovoltaic power station, wherein the direct current cable refers to a series cable between components, and the alternating current cable refers to a connecting cable from the inverter to the step-up transformer.

However, the cable in the current market needs frequent bending when in use, and the cable has weak bending resistance, so that the local skin is easy to crack, and potential safety hazards such as electric leakage and the like are caused; meanwhile, when the cable is recycled, the surface skin of the cable needs to be removed, but the surface skin is difficult to remove, the hand of a worker is easily scratched, the safety degree is low, the peeling speed is low, the working efficiency of the worker is reduced, and therefore the bending-resistant cable structure is provided.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a resistant crooked cable structure, the effectual frequent bending of resistant crooked cable structure who has solved on the existing market, the ability of the anti-bending of cable is not strong, causes local epidermis to split easily, causes potential safety hazard such as electric leakage, epidermis to get rid of the difficulty, causes the injury to staff's hand easily, and the degree of safety is low, and the speed of skinning is slow, problem that work efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: a bending-resistant cable structure comprises a skin, wherein a fiber rope is arranged in the middle of an inner cavity of the skin, a cable is arranged outside the fiber rope, an insulating wire core is arranged outside the cable, a fiber core is arranged outside the insulating wire core, a polyester belt is arranged outside the fiber core, a mounting box is fixed outside the skin, a protective block is arranged at the top of the mounting box, a retaining block is arranged at one end of the protective block, a movable rod is arranged at the top of the retaining block, a pull rod is fixed at one end of the movable rod, a rubber block is arranged in the middle of the pull rod, an insertion rod is fixed at the bottom of the retaining block, a clamping block is arranged at the bottom of the insertion rod, an extrusion rod is arranged at the top of the inner cavity of the protective block, a limiting block is fixed at one end of the extrusion rod in the inner cavity of the mounting box, the top of the limiting block is in transmission connection with the, the bottom of blade is installed the spacing block, and the side of mounting box is fixed with the handle.

Preferably, the mounting box is annular, a mounting hole matched with the outer part of the surface skin is formed in the side face of the mounting box, and the mounting hole in the mounting box is bonded with the outer part of the surface skin through glue.

Preferably, a positioning block is fixed at the top of the fixing block, and an inner cavity of the positioning block on the fixing block is mounted with one end of the movable rod.

Preferably, the number of the blades is two, and the two blades are positioned at the upper part and the lower part of the epidermis and are arranged in parallel.

Preferably, the isolation block is made of plastic, and the isolation block is wrapped on the surface of the surface skin.

Preferably, the surface of the handle is provided with anti-skid grains, the inner cavity of the handle is provided with a movable hole, and the movable hole on the handle is movably connected with the outer part of the surface skin.

Compared with the prior art, the beneficial effects of the utility model are that:

1) in the working process, a stranded or stranded fiber rope is used as a central core wire of the surface layer and is placed in the middle of the cable, the insulated wire cores are regularly arranged layer by layer around the fiber core according to the spatial proportion, and a smooth polyester tape is wrapped between each layer of insulated wire cores, so that the sliding between the wire cores can be increased, the self-locking between the layers is prevented, the structure saves the filling material of the cable, the structure is compact, the high tensile strength of the cable in use is ensured, the good sliding property between the wire cores is ensured, and the service life is long;

2) the utility model discloses a cable, including the epidermis, the epidermis is including fixing the position piece, the cooperation movable rod drives the position piece and carries out rotary motion, the inserted bar of position piece bottom drives protection piece and mounting box and separates with the screens piece, press the extrusion stem, blade on the extrusion stem at first cuts the spacing block, then cut the epidermis, when formally cutting the epidermis, the staff pulls the one end of cable and begins to remove, the epidermis on the cable begins to cut apart into two halves under the effect of blade, after finishing cutting apart, the blade restores on going on the position through reset spring again, it is simple to have guaranteed that this cable skins when using, the safety level is high, it is fast to skin, high work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the cross section of the skin of the present invention;

fig. 3 is a schematic structural view of the installation box of the present invention;

FIG. 4 is a schematic structural view of the installation of the retention block of the present invention;

FIG. 5 is a schematic view of the handle assembly of the present invention;

in the figure: 1. a epidermis; 2. a fiber rope; 3. a cable; 4. an insulated wire core; 5. a fiber core; 6. a polyester tape; 7. mounting a box; 8. a protection block; 9. a retention block; 10. a movable rod; 11. a pull rod; 12. a rubber block; 13. inserting a rod; 14. a bit block; 15. an extrusion stem; 16. a limiting block; 17. a return spring; 18. a blade; 19. an isolation block; 20. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1-5, the present invention comprises a skin 1, a fiber rope 2 is installed in the middle of the inner cavity of the skin 1, a cable 3 is installed outside the fiber rope 2, an insulation core 4 is installed outside the cable 3, a fiber core 5 is installed outside the insulation core 4, a polyester tape 6 is installed outside the fiber core 5, a mounting box 7 is fixed outside the skin 1, a protection block 8 is installed on the top of the mounting box 7, a retaining block 9 is installed at one end of the protection block 8, a movable rod 10 is installed on the top of the retaining block 9, a pull rod 11 is fixed at one end of the movable rod 10, a rubber block 12 is installed in the middle of the pull rod 11, an insert rod 13 is fixed at the bottom of the retaining block 9, a position block 14 is installed at the bottom of the insert rod 13, an extrusion rod 15 is installed at the top of the inner cavity of the mounting box 7, a position block 16 is fixed at one end of the extrusion, the top of the limiting block 16 is in transmission connection with the top of the inner cavity of the mounting box 7 through a return spring 17, the bottom of the extrusion rod 15 is fixed with a blade 18, the bottom of the blade 18 is provided with a spacing block 19, and the side of the mounting box 7 is fixed with a handle 20.

Second, on the basis of first embodiment, the shape of mounting box 7 is the annular, and the mounting hole that agrees with the epidermis 1 outside mutually is seted up to the side of mounting box 7, and the mounting hole on the mounting box 7 bonds through glue and the outside of epidermis 1 mutually, through the setting of mounting box 7 for it utilizes the mounting hole to fix the one end of epidermis 1, thereby provides convenient for subsequent dismantlement work.

In the third embodiment, on the basis of the first embodiment, a positioning block is fixed at the top of the retention block 9, and an inner cavity of the positioning block on the retention block 9 is installed with one end of the movable rod 10, so that the positioning block is used for limiting the position of the movable rod 10 through the arrangement of the retention block 9, thereby facilitating the normal use of the pull rod 11.

In the fourth embodiment, on the basis of the first embodiment, the number of the blades 18 is two, the two blades 18 are arranged in parallel at the upper and lower parts of the epidermis 1, and the blades 18 are arranged so that the surface of the epidermis 1 can be cut by the isolation blocks 19 after external force is applied, thereby realizing the disassembly work.

Fifth, on the basis of the first embodiment, the isolation block 19 is made of plastic, the isolation block 19 is wrapped on the surface of the skin 1, and the blade 18 is isolated from the skin 1 by the isolation block 19, so that the skin 1 is not easily damaged.

Sixth embodiment, on the basis of first embodiment, the surface of handle 20 has seted up anti-skidding line, and the inner chamber of handle 20 has seted up the activity hole, and the activity hole on the handle 20 is swing joint with the outside of epidermis 1, through the setting of handle 20 for it is when using, can utilize anti-skidding line to prevent the phenomenon of skidding in the operation process.

The working principle is as follows: when the cable works, firstly, a stranded or twisted fiber rope 2 is used as a central core wire of a skin 1 and is placed in the middle of the cable 3, insulated wire cores 4 are regularly arranged layer by layer around a fiber core 5 according to the spatial proportion, and a smooth polyester belt 6 is wound and wrapped between each layer of insulated wire cores 4, so that the sliding among the wire cores can be increased, the self-locking between the layers without sliding is prevented, and the structure saves the filling material of the cable 3, so that the structure is compact; in the process of recycling the cable 3, firstly, the handle 20 is rotated to drive the mounting box 7 to rotate, so that the mounting box 7 and the skin 1 are in a fixed state and a movable state of shifting, the pull rod 11 on the rubber block 12 is pulled to drive the fixing block 9 to rotate in cooperation with the movable rod 10, the insertion rod 13 and the clamping block 14 at the bottom of the fixing block 9 drive the protection block 8 to be separated from the mounting box 7, the extrusion rod 15 is pressed, the blade 18 on the extrusion rod 15 firstly cuts the isolation block 19 and then cuts the skin 1, when the skin 1 is formally cut, a worker pulls one end of the cable 3 to start moving, the skin 1 on the cable 3 starts to be cut into two parts under the action of the blade 18, and after the cutting is finished, the blade 18 is restored in position through the return spring 17.

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. A bend-resistant cable construction comprising a skin (1), characterized in that: the middle of the inner cavity of the surface skin (1) is provided with a fiber rope (2), the outer part of the fiber rope (2) is provided with a cable (3), the outer part of the cable (3) is provided with an insulating wire core (4), the outer part of the insulating wire core (4) is provided with a fiber core (5), the outer part of the fiber core (5) is provided with a polyester belt (6), the outer part of the surface skin (1) is fixed with a mounting box (7), the top of the mounting box (7) is provided with a protection block (8), one end of the protection block (8) is provided with a fixing block (9), the top of the fixing block (9) is provided with a movable rod (10), one end of the movable rod (10) is fixed with a pull rod (11), the middle of the pull rod (11) is provided with a rubber block (12), the bottom of the fixing block (9) is fixed with an inserting rod (13), the bottom of the inserting rod (13) is provided with a clamping block (14), one end of the extrusion rod (15) located in the inner cavity of the mounting box (7) is fixed with a limiting block (16), the top of the limiting block (16) is in transmission connection with the top of the inner cavity of the mounting box (7) through a return spring (17), the bottom of the extrusion rod (15) is fixed with a blade (18), the bottom of the blade (18) is provided with a separation block (19), and the side face of the mounting box (7) is fixed with a handle (20).

2. A bend-resistant cable construction as claimed in claim 1, wherein: the mounting box (7) is annular, a mounting hole matched with the outer part of the surface skin (1) is formed in the side face of the mounting box (7), and the mounting hole in the mounting box (7) is bonded with the outer part of the surface skin (1) through glue.

3. A bend-resistant cable construction as claimed in claim 1, wherein: the top of the retention block (9) is fixed with a positioning block, and the inner cavity of the positioning block on the retention block (9) is installed with one end of the movable rod (10).

4. A bend-resistant cable construction as claimed in claim 1, wherein: the number of the blades (18) is two, and the two blades (18) are positioned at the upper part and the lower part of the epidermis (1) and are arranged in parallel.

5. A bend-resistant cable construction as claimed in claim 1, wherein: the isolation block (19) is made of plastic, and the isolation block (19) is wrapped on the surface of the surface skin (1).

6. A bend-resistant cable construction as claimed in claim 1, wherein: the surface of the handle (20) is provided with anti-skid grains, the inner cavity of the handle (20) is provided with a movable hole, and the movable hole on the handle (20) is movably connected with the outside of the epidermis (1).