CN111223598A

CN111223598A - Telescopic spring cable

Info

Publication number: CN111223598A
Application number: CN201811406119.3A
Authority: CN
Inventors: 徐荣; 陈东国; 关鹏
Original assignee: Dalian Longteng Fluid Equipment Co ltd
Current assignee: Dalian Longteng Fluid Equipment Co ltd
Priority date: 2018-11-24
Filing date: 2018-11-24
Publication date: 2020-06-02

Abstract

The invention discloses a telescopic spring cable which comprises a sliding rod, a folded cable and a common cable, wherein an insulating layer wraps the outer layer of the common cable, a filling layer is arranged inside the insulating layer, a cable protective layer is arranged inside the filling layer, a ground wire core body, a live wire core body and a zero wire core body wrap the cable protective layer, the filling layer is arranged inside the insulating layer of the folded cable, a sliding groove is formed in the upper end of the filling layer, symmetrically distributed mounting blocks are arranged on two sides of the upper end of the inner wall of the folded cable, the mounting blocks are elastically connected through a telescopic spring, a sliding block is welded at the lower end of the sliding rod and movably arranged in the sliding groove, the cable protective layer is arranged at the upper end of the sliding rod through a mounting buckle, and the folded. The length of the telescopic spring cable can be adjusted according to the specific required length, and when the telescopic spring cable is not used, the original length of the folded cable is recovered through the elasticity of the telescopic spring, so that the folded cable can be used repeatedly.

Description

Telescopic spring cable

Technical Field

The invention relates to the technical field of cables, in particular to a telescopic spring cable.

Background

The cable is a general name of articles such as optical cables, electric cables and the like, is mainly formed by processing PVC plastic particles into sheath insulation and twisting copper wires of various specifications into cables, has multiple purposes, is mainly used for controlling multiple functions such as installation, connecting equipment and electric power transmission, is a common and indispensable thing in daily life, and needs to be particularly cautious in installation because the cable is electrified. Need use the cable of different specifications and length in daily use, cut off the cable according to demand length, when need not using in the future, can't find suitable machinery easily and install again and use, cause the waste.

Disclosure of Invention

The invention aims to provide a telescopic spring cable which has the advantage that the length of the cable can be changed according to specific requirements, and the problem that the cable cannot be reused due to the fact that a bundle of cables is cut into required length when the cable is used traditionally is solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a telescopic spring cable, includes slide bar, fold cable and ordinary cable, the outer parcel of ordinary cable has the insulating layer, and the internally mounted of insulating layer has the filling layer, and the filling layer internally mounted has the cable protective layer, and the parcel has ground wire core, live wire core and zero line core in the cable protective layer, the outer parcel of fold cable has the insulating layer, and insulating layer internally mounted has the filling layer, and the sliding tray has been seted up to the filling layer upper end, symmetrically distributed's installation piece is installed to fold cable inner wall upper end both sides, through expanding spring elastic connection between the installation piece, the welding of slide bar lower extreme has the sliding block, and sliding block movable mounting is in the sliding tray, the upper end at the slide bar is installed through the installation knot to the cable protective layer, the fold cable.

Preferably, the insulating layer is made of a polyimide film.

Preferably, the number of the sliding rods is five, and the five sliding rods are uniformly distributed in the corrugated cable.

Preferably, the cable protection layer is located in the folded cable for a length greater than that of the folded cable.

Preferably, the number of the mounting buckles is five, and the five mounting buckles correspond to the sliding rods one to one.

Preferably, the original length of the extension spring is equal to the length of the corrugated cable.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the telescopic spring cable, the telescopic spring and the fold cable are arranged, when the length of the cable needs to be stretched, the fold cable is stretched beyond the original length, the sliding rod in the fold cable moves along with the folding rod to drive the cable protection layer fixed on the sliding rod to stretch, the purpose of integrally increasing the length of the cable is achieved, the length of the cable device can be adjusted according to the specific required length under the condition that the limit length of the fold cable is not exceeded, the telescopic spring cable can adapt to various required lengths, when the telescopic spring is not used, the original length of the fold cable is recovered through the elasticity of the telescopic spring, the occupied space is saved, the cost is saved, and the telescopic spring cable can be repeatedly used.

2. According to the telescopic spring cable, the sliding rod and the mounting buckle are arranged, the cable protective layer is mounted on the sliding rod through the mounting buckle, when the cable is stretched, the sliding rod moves in the sliding groove through the sliding block and moves along with the folded cable, the cable protective layer placed between the two sliding rods is stretched and bent, and through the relationship between the length of the cable protective layer in the folded cable and the length of the folded cable, the cable protective layer cannot be pulled to damage an internally wrapped circuit when the cable is stretched.

Drawings

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

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

fig. 3 is a side view of the present invention 4.

In the figure: 1-a filling layer; 2-a slide bar; 3-an insulating layer; 4-a crimped cable; 5-ordinary cables; 6-cable protection layer; 7-mounting a block; 8-a telescopic spring; 9-installing a buckle; 10-a ground wire core; 11-a wick core; 12-neutral core; 13-a sliding groove; 14-sliding block.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present invention is shown: a telescopic spring cable comprises a sliding rod 2, a folded cable 4 and a common cable 5, wherein an insulating layer 3 is wrapped on the outer layer of the common cable 5, the insulating layer 3 is made of a polyimide film, a filling layer 1 is installed inside the insulating layer 3, a cable protective layer 6 is installed inside the filling layer 1, a ground wire core 10, a live wire core 11 and a zero wire core 12 are wrapped inside the cable protective layer 6, the insulating layer 3 is wrapped on the outer layer of the folded cable 4, the filling layer 1 is installed inside the insulating layer 3, a sliding groove 13 is formed in the upper end of the filling layer 1, symmetrically distributed installation blocks 7 are installed on two sides of the upper end of the inner wall of the folded cable 4, the installation blocks 7 are elastically connected through a telescopic spring 8, the original length of the telescopic spring 8 is equal to the length of the folded cable 4, when the cable length needs to be stretched, the folded cable 4 is stretched beyond the original length, the cable protection layer 6 fixed on the sliding rod 2 is driven to stretch, the purpose of integrally increasing the length of the cable is achieved, the cable device can adjust the length of the cable according to the specific required length without exceeding the limit length of the folded cable 4, the cable device can adapt to various required lengths, when the cable device is not used, the folded cable 4 is enabled to restore the original length through the elasticity of the expansion spring 8, the occupied space is saved, the cost is saved, and the cable device can be used repeatedly, sliding blocks 14 are welded at the lower end of the sliding rod 2, the sliding rods 2 are five, the five sliding rods 2 are uniformly distributed in the folded cable 4, the sliding blocks 14 are movably arranged in the sliding grooves 13, the cable protection layer 6 is arranged at the upper end of the sliding rod 2 through mounting buckles 9, the mounting buckles 9 are five, the five mounting buckles 9 correspond to the sliding rods 2 one by one, the folded cable 4 is arranged in the, the length that cable protective layer 6 is located fold cable 4 is greater than the length of fold cable 4, install cable protective layer 6 on slide bar 2 through installation knot 9, when tensile this cable, slide bar 2 passes through sliding block 14 and removes in sliding tray 13, move together along with fold cable 4, tensile crooked cable protective layer 6 of placing between two slide bars 2, through setting up the relation of length that cable protective layer 6 is located fold cable 4 and fold cable 4 length, when tensile this cable, can not drag cable protective layer 6, damage the circuit of inside parcel.

The working principle is as follows: when the telescopic spring cable is used, the folded cable 4 is stretched beyond the original length of the folded cable 4 under the condition that the limited length of the folded cable 4 is not exceeded, the cable protection layer 6 is installed on the sliding rod 2 through the installation buckle 9, the sliding rod 2 moves in the sliding groove 13 through the sliding block 14 and moves along with the folded cable 4, the cable protection layer 6 placed between the two sliding rods 2 is stretched and bent, and when the telescopic spring cable is not used, the folded cable 4 is restored to the original length through the elasticity of the telescopic spring 8.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A retractable spring cable, comprising a sliding rod (2), a fold cable (4) and a common cable (5), characterized in that: the outer layer of the common cable (5) is wrapped with an insulating layer (3), the inner part of the insulating layer (3) is provided with a filling layer (1), the inner part of the filling layer (1) is provided with a cable protective layer (6), the inner part of the cable protective layer (6) is wrapped with a ground wire core body (10), a live wire core body (11) and a zero line core body (12), the outer layer of the folded cable (4) is wrapped with the insulating layer (3), the inner part of the insulating layer (3) is provided with the filling layer (1), the upper end of the filling layer (1) is provided with a sliding groove (13), the two sides of the upper end of the inner wall of the folded cable (4) are provided with symmetrically distributed installation blocks (7), the installation blocks (7) are elastically connected through a telescopic spring (8), the lower end of the sliding rod (2) is welded with a sliding block (14), the sliding block (14) is movably arranged in the, and a fold cable (4) is arranged in the middle of the common cable (5).

2. A retractable spring cable as in claim 1, wherein: the insulating layer (3) is made of a polyimide film.

3. A retractable spring cable as in claim 1, wherein: the number of the sliding rods (2) is five, and the five sliding rods (2) are uniformly distributed in the corrugated cable (4).

4. A retractable spring cable as in claim 1, wherein: the length of the cable protection layer (6) in the folded cable (4) is greater than that of the folded cable (4).

5. A retractable spring cable as in claim 1, wherein: the number of the mounting buckles (9) is five, and the five mounting buckles (9) are in one-to-one correspondence with the sliding rods (2).

6. A retractable spring cable as in claim 1, wherein: the original length of the telescopic spring (8) is equal to the length of the folded cable (4).