CN213150392U

CN213150392U - Bending-resistant cable

Info

Publication number: CN213150392U
Application number: CN202021327428.4U
Authority: CN
Inventors: 周扬; 杨再和
Original assignee: Hangzhou Jiayi Wire And Cable Co ltd
Current assignee: Hangzhou Jiayi Wire And Cable Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-05-07
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a bending-resistant cable, which comprises a shell, wherein a first buffer device is arranged in the shell, a second buffer device is fixedly connected with the outer surface of the shell, a fixed groove is arranged on the outer surface of the shell, a cable core is arranged in the fixed groove, a cable core protective layer is arranged on the surface of the cable core, a fixed strip is arranged on one side of the fixed strip, a cable protective shell is fixedly connected with one side of the fixed strip, the cable core is fixed by arranging the fixed strip and the fixed groove, the cable is divided into independent sections by arranging a second buffer device, the cable core protective layer is prevented from being broken due to extrusion and friction between the cables in the bending process, the circuit is prevented from being short-circuited, and meanwhile, the arrangement of the first buffer device and the second buffer device effectively plays a role in buffering and protecting the cable core in the bending process, meanwhile, the cable core is prevented from being broken due to excessive bending, and the circuit is prevented from being broken.

Description

Bending-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a resistant cable of buckling.

Background

Electrical cables for transmitting electrical energy, communication signals and as conductors, connections and various components essential to electrical equipment are generally formed by twisting several or several groups of at least two conductors, each group being insulated from each other and usually twisted around a center, the whole being covered with a highly insulating covering. The cable has interior circular telegram, the characteristics of external insulation for along with science and technology development, the application of cable is more and more extensive, is used for frequently crooked place when the cable, because the crooked or crooked radius of relapse is too big, can cause the electrically conductive copper wire fracture of cable, leads to power transmission to break off, and the consumer stops working.

In the current cable, mostly just simply adopt the buffer gear that has the embedded spring, although the technique can play cushioning effect and certain answer effect to a certain extent, can not really satisfy the operation requirement, and lead to crooked excessive spring inefficacy that leads to in the buffer gear easily, there are extrusion and friction in the difficult exemption of the crooked in-process of use of cable inner structure simultaneously, can make the cable core protective layer break, lead to the line short circuit. To this end, we propose a bend-resistant cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant cable of buckling to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistant cable of buckling, includes the shell, be provided with first buffer in the shell, the outer fixed surface of shell is connected with second buffer, the fixed slot has been seted up to the surface of shell, be provided with the cable core in the fixed slot, the surface of cable core is provided with the cable core protective layer, one side of cable core protective layer is provided with the fixed strip, one side fixedly connected with cable protective housing of fixed strip, the surface of cable protective housing is provided with the insulating layer. And a protective layer is arranged on the outer surface of the insulating layer.

Preferably, there are four groups of the second buffer devices, the second buffer devices are symmetrically arranged on the outer surface of the shell, a first filling layer is arranged between any two adjacent groups of the second buffer devices, there are four groups of the fixing grooves, and the fixing grooves are located in the middle positions of the two adjacent groups of the second buffer devices.

Preferably, first buffer includes square strip, the equal fixedly connected with overcoat strip in four sides of square strip, be equipped with the cavity in the overcoat strip, be provided with the first spring of a plurality of in the cavity, the top fixedly connected with interpolation strip of first spring, the one end of interpolation strip is injected the overcoat strip and is arranged in the top and overcoat strip swing joint of first spring, the other end of interpolation strip is located the fixed slot under, it has the second filling layer all to fill between the overcoat strip of arbitrary two sides top fixed of square strip.

Preferably, the second buffer device comprises a buffer block, the top end of the buffer block is fixedly connected with the outer surface of the shell, the other end of the buffer block is fixedly connected with the inner wall of the cable protection shell, the buffer block is provided with a plurality of groups, and the groups are adjacent to each other and are two groups of second springs fixedly connected between the buffer blocks.

Preferably, a plurality of grooves are formed in the inner cutting strip, and the grooves are uniformly arranged on the inner cutting strip at equal intervals.

Preferably, the material of the square strip in the first buffer device, the material of the outer sleeve strip, the material of the inner inserting strip and the material of the buffer block in the second buffer device are flexible plastics resistant to bending.

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

the utility model discloses a it is fixed with the cable core to set up fixed strip and fixed slot, it cuts apart into independent interval with the cable conductor to have set up second buffer, prevent at the bending in-process, extrusion and friction between the cable conductor lead to the cable core protective layer to break, thereby the effect of preventing the circuit short circuit has been reached, first buffer and second buffer's setting simultaneously, at the cable in bending in-process, the effectual effect that plays the buffering protection to the cable core, prevented simultaneously that the bending excessively leads to the cable core to be broken, thereby the effect of protection circuit normal operating has been reached.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a first buffer device according to the present invention;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 4 is a schematic structural view of a second buffer device of the present invention;

fig. 5 is a schematic view of the structure of the insert strip of the present invention.

In the figure: 1. a housing; 2. a first buffer device; 3. a second buffer device; 4. fixing grooves; 5. a cable core; 6. a cable core protective layer; 7. a fixing strip; 8. a cable protective housing; 9. an insulating layer; 10. a protective layer; 11. a first filling layer; 12. square strips; 13. an outer cover strip; 14. a first spring; 15. inserting the strips; 16. a second filling layer; 17. a buffer block; 18. a second spring; 19. and (4) a groove.

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. 1-5, the present invention provides a technical solution: the utility model provides a resistant cable of buckling, includes shell 1, be provided with first buffer 2 in the shell 1, the outer fixed surface of shell 1 is connected with second buffer 3, fixed slot 4 has been seted up to the surface of shell 1, be provided with cable core 5 in the fixed slot 4, the surface of cable core 5 is provided with cable core protective layer 6, one side of cable core protective layer 6 is provided with fixed strip 7, one side fixedly connected with cable protective housing 8 of fixed strip 7, the surface of cable protective housing 8 is provided with insulating layer 9. The outer surface of insulating layer 9 is provided with protective layer 10, and first buffer 2 and second buffer 3 play the effect of buffer protection to cable core 5, and fixed strip 7 is fixed cable core 5, and insulating layer 9 makes cable core 5 and external insulation, and whole cable device is protected to protective layer 10.

There are four groups second buffer 3's quantity, and second buffer 3 symmetrical arrangement is at the surface of shell 1, all be provided with first filling layer 11 between arbitrary adjacent two sets of second buffer 3, the quantity of fixed slot 4 has four groups, just fixed slot 4 is located the adjacent two sets of intermediate position of second buffer 3, and the quantity of second buffer 3 sets up to four groups, and the purpose is cut apart into independent interval with four cable cores 5, and extrusion and friction between the cable core 5 when preventing to bend damages cable core protective layer 6, leads to the short circuit of circuit.

The first buffer device 2 comprises a square strip 12, outer casing strips 13 are fixedly connected to four sides of the square strip 12, a cavity is formed in each outer casing strip 13, a plurality of first springs 14 are arranged in the cavity, inner insertion strips 15 are fixedly connected to the top ends of the first springs 14, one ends of the inner insertion strips 15 are inserted into the outer casing strips 13 and are movably connected with the outer casing strips 13, the top ends of the first springs 14 are arranged on the outer casing strips 13, the other ends of the inner insertion strips 15 are located right below the fixed grooves 4, second filling layers 16 are filled between the outer casing strips 13 fixed to the top ends of any two sides of the square strip 12, the first buffer device 2 extrudes the first springs 14 through the inner insertion strips 15 in the cable bending process, and the cable core 5 is buffered due to the elastic effect of the first springs 14.

Second buffer 3 includes buffer block 17, the top of buffer block 17 and the fixed surface connection of shell 1, and the other end of buffer block 17 and the inner wall fixed connection of cable protection shell 8, buffer block 17 is provided with a plurality of groups, and is adjacent two sets of fixedly connected with second spring 18 between buffer block 17, second buffer 3 take place the extrusion between the adjacent buffer block 17 at the crooked in-process of cable, are provided with second spring 18 between the adjacent buffer block 17, consequently through the elastic characteristic who utilizes second spring 18, cushion the crooked deformation of cable core 5.

A plurality of grooves 19 have been seted up on the interior slip 15, groove 19 equidistance align to grid is on interior slip 15, and the setting of groove 19 prevents that the cable is crooked excessively to lead to cable core 5 to be broken, also can play buffer protection's effect to cable core 5 through groove 19 simultaneously.

The square strips 12, the outer sleeve strips 13, the inner inserting strips 15 in the first buffering device 2 and the buffering blocks 17 in the second buffering device 3 are made of flexible materials resistant to bending, so that the cable is convenient to bend, and meanwhile, the cable core 5 cannot be damaged.

The working principle is as follows: in the process of bending the cable, the inner insertion strip 15 of the first buffer device 2 extrudes the first spring 14, so that the inner insertion strip 15, the first spring 14 and the outer sleeve strip are deformed 13, the deformation of the cable core 5 is buffered due to the elastic action of the first spring 14, the inner insertion strip 15 is provided with a groove 19, two sides of the groove 19 form convex blocks, and adjacent convex blocks react with each other, so that the cable is difficult to deform when bent to a certain degree, the cable core 5 is prevented from being broken due to excessive bending of the cable, and a short circuit is caused, meanwhile, the second spring 18 between the buffer blocks 17 of the second buffer device 3 can also protect the cable core 5 through elastic deformation, as the second buffer device 3 separates the cable core 5, abrasion cannot occur between the cable cores 5 in the bending process, and simultaneously, the reaction force also occurs between the adjacent buffer blocks 17, making it difficult for the cable to deform again after being bent to some extent.

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 resistant cable of buckling, includes shell (1), its characterized in that: the cable is characterized in that a first buffering device (2) is arranged in the shell (1), a second buffering device (3) is fixedly connected to the outer surface of the shell (1), a fixing groove (4) is formed in the outer surface of the shell (1), a cable core (5) is arranged in the fixing groove (4), a cable core protective layer (6) is arranged on the surface of the cable core (5), a fixing strip (7) is arranged on one side of the cable core protective layer (6), a cable protective shell (8) is fixedly connected to one side of the fixing strip (7), an insulating layer (9) is arranged on the outer surface of the cable protective shell (8), and a protective layer (10) is arranged on the outer surface of the.

2. A bend-resistant cable as recited in claim 1, wherein: the quantity of second buffer (3) has four groups, and second buffer (3) symmetrical arrangement is at the surface of shell (1), all be provided with first filling layer (11) between arbitrary adjacent two sets of second buffer (3), the quantity of fixed slot (4) has four groups, just fixed slot (4) are located the adjacent two sets of intermediate position of second buffer (3).

3. A bend-resistant cable as recited in claim 2, wherein: first buffer (2) are including square strip (12), the equal fixedly connected with outer cover strip (13) in four sides of square strip (12), be equipped with the cavity in outer cover strip (13), be provided with the first spring of a plurality of (14) in the cavity, the top fixedly connected with interpolation strip (15) of first spring (14), the one end of interpolation strip (15) is injected outer cover strip (13) and is arranged in the top and outer cover strip (13) swing joint of first spring (14), the other end of interpolation strip (15) is located fixed slot (4) under, it has second filling layer (16) all to fill between the outer cover strip (13) of arbitrary two sides top fixed of square strip (12).

4. A bend-resistant cable as recited in claim 3, wherein: second buffer (3) are including buffer block (17), the top of buffer block (17) is connected with the external fixed surface of shell (1), and the other end of buffer block (17) and the inner wall fixed connection of cable protection shell (8), buffer block (17) are provided with a plurality of groups, and are adjacent two sets fixedly connected with second spring (18) between buffer block (17).

5. A bend-resistant cable according to claim 4, wherein: a plurality of grooves (19) are formed in the inner cutting (15), and the grooves (19) are uniformly arranged on the inner cutting (15) at equal intervals.

6. A bend-resistant cable according to claim 5, wherein: the square strips (12), the outer sleeve strips (13), the inner inserting strips (15) in the first buffer device (2) and the buffer blocks (17) in the second buffer device (3) are all made of flexible plastics resistant to bending.