CN216647911U

CN216647911U - Flexible metal current bus cable

Info

Publication number: CN216647911U
Application number: CN202220061050.0U
Authority: CN
Inventors: 曾钦武; 赵晓坡; 罗旭琴; 林聪智
Original assignee: Guangdong Nanyang Cable Co ltd
Current assignee: Guangdong Nanyang Cable Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-31
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to a flexible metal current bus-bar cable, which comprises an inner core and a plurality of conductors circumferentially arranged on the periphery of the inner core, wherein the inner core and the plurality of conductors are stranded into a bundle to form a cable core, a coating layer group is arranged on the periphery of the cable core, the coating layer group comprises an insulating layer and a protective layer which are sequentially arranged on the periphery of the cable core, a gap is reserved between every two adjacent conductors, a filler is arranged in the gap, two ends of the flexible metal current bus-bar cable are respectively provided with a sealing element, the sealing elements are used for being abutted against a connecting part on a bus-bar when the cable is connected with the bus-bar, the sealing elements are movably arranged through an elastic pressing structure arranged on the periphery of the cable, the cable has simple structure and strong practicability, and when the cable is connected with the bus-bar, gaps between the sealing elements and the bus-bar connecting part can be effectively sealed, the moisture-proof purpose is achieved, and the stability of circuit line connection is ensured.

Description

Flexible metal current bus cable

Technical Field

The utility model relates to the related technical field of power cables, in particular to a flexible metal current bus-bar cable.

Background

Electrical wire products for transmitting power, transferring information and implementing electromagnetic energy conversion are called wire cables. Generally, a product only having a metal conductor and an insulated wire which is provided with an insulating layer and a light protective layer (such as a cotton yarn braided layer, a glass fiber braided layer, plastic, rubber and the like) outside the conductor, has a simpler structure, a smaller outer diameter and a smaller use voltage and current are called as electric wires; a cable is a product which has a complicated structure and a large cross section, and which includes a conductor, an insulating layer, a tight inner sheath for preventing moisture from entering, and an outer sheath having a high mechanical strength.

The power cable can directly transmit the electric energy from the distribution point of the power system to various electric equipment and appliances, and electric installation lines and cables for control signals in various industrial and agricultural equipment belong to the product. The products have the widest application range and the most varieties, and the structure and the performance of the products are mostly determined by combining the characteristics of used equipment and the environment conditions of use, so that besides a large number of general products, a plurality of special and special products exist.

In the electrical field, a bus bar is generally used to connect a plurality of electrical lines to meet the connection requirements of various lines required in power construction. However, after the conventional cable is connected to the connecting portion of the bus bar, a certain gap may exist between the bus bar and the cable, so that moisture may enter the cable over time, which may adversely affect the transmission performance of the cable.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flexible metal current bus cable, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a flexible metal current bus cable comprises an inner core and a plurality of conductors circumferentially arranged on the outer periphery of the inner core;

the inner core and a plurality of conductor center transposition beam forming, form the cable core, just be provided with the cladding group on the periphery of cable core, the cladding group is including setting gradually insulating layer and inoxidizing coating on the cable core periphery.

A gap is reserved between every two adjacent conductors, a filler is arranged in the gap, two sealing elements are respectively arranged at two ends of the flexible metal current bus-bar cable, and the sealing elements are used for being abutted to the connecting parts on the bus-bars when the cable is connected with the bus-bars;

the sealing element is movably arranged through an elastic pressing structure arranged on the periphery of the cable, and elastic potential energy is stored in the elastic pressing structure in the connection process of the cable and the bus bar.

As a still further scheme of the utility model: the elastic pressing structure comprises a threaded part arranged on the periphery of the protective layer and a circular ring connected with the threaded part through a plurality of groups of elastic parts, and the circular ring is rotationally connected with the sealing part.

As a still further scheme of the utility model: the screw thread spare is including fixed the setting external member in the inoxidizing coating periphery and setting are in the rotation piece in the external periphery of external member, on the periphery of external member and all be provided with the screw thread on the inner wall of rotation piece, the two threaded connection.

As a still further scheme of the utility model: the elastic component comprises a rotating component and a telescopic column, wherein the rotating component faces towards the cylinder on one side of the circular ring and is in sliding fit with the cylinder through an energy storage component, the telescopic column is coincided with the central axis of the cylinder, and the telescopic column is far away from one end of the rotating component and is fixedly connected with the circular ring.

As a still further scheme of the utility model: the both ends of drum are link up the setting, energy storage spare is including setting up spring in the drum, the one end of spring with rotate the piece and be connected, the other end with flexible post is kept away from the one end of ring is connected.

As a still further scheme of the utility model: be provided with the spout on the periphery of ring, just be provided with the protruding portion on the inner wall of sealing member, the spout with the protruding portion both are circular-arc setting, just the sealing member passes through the protruding portion with the spout with the ring rotates and connects.

Compared with the prior art, the utility model has the beneficial effects that: the cable is novel in design, the telescopic column can gradually move towards the cylinder along with the continuous rotation of the rotating piece after the sealing piece is contacted with the connecting part on the bus bar in the rotating process of the rotating piece, and meanwhile, the telescopic column compresses the spring to store elastic potential energy, so that the moisture resistance of the cable is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a flexible metal current bus cable.

Fig. 2 is an exploded view of a spring biased structure in one embodiment of a flexible metal current bus cable.

FIG. 3 is a half-sectional view of one embodiment of a flexible metal current bus cable.

FIG. 4 is a cross-sectional view of one embodiment of a flexible metal current bus cable.

In the figure: 1-inner core; 2-a conductor; 3-a filler; 4-an insulating layer; 5-a protective layer; 6-kit; 7-a rotating member; 8-a spring; 9-cylinder; 10-a telescopic column; 11-a circular ring; 12-a seal; 13-a chute; 14-projection.

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.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in an embodiment of the present invention, a flexible metal current bus cable includes an inner core 1 and a plurality of conductors 2, the plurality of conductors 2 are circumferentially disposed on an outer periphery of the inner core 1, the inner core 1 and the plurality of conductors 2 are twisted and bundled at a center to form a cable core, and a cladding layer group is disposed on an outer periphery of the cable core.

Referring to fig. 4 again, the cladding layer group includes an insulating layer 4 and a protective layer 5 sequentially disposed on the outer periphery of the cable core.

Furthermore, the protective layer 5 is made of a light-heat aging resistant, chemical corrosion resistant, salt fog resistant, low temperature resistant, soft, environment-friendly and flame retardant fog-surface polyether type polyurethane elastomer, and the material can be normally used in cold climate, salt fog, humid or mechanical damage environments, so that the service life of the cable is greatly prolonged.

In addition, in practical use, the insulating layer 4 also has a certain shielding function to prevent external signals from interfering with the cable and affecting the transmission performance of the cable.

A gap is reserved between every two adjacent conductors 2, and a filler 3 is arranged in the gap.

Note that, the filler 3 is made of a soft insulating material, and the arrangement of the filler ensures the integrity of the cable, so as to avoid the occurrence of loose conditions inside the cable and the influence of the cable on the transmission quality of signals.

And two ends of the flexible metal current bus-bar cable are respectively provided with a sealing element 12, and the sealing elements 12 are used for being abutted against the upper connecting part of the bus-bar when the cable is connected with the bus-bar.

It should be noted that, in the electrical field, the bus bar is generally used to connect a plurality of electrical lines to meet the connection requirements of various lines required in power construction, the connection portion is disposed thereon for connecting a cable thereto, and after the connection portion is actually connected, a certain gap still exists between the cable and the connection portion, which causes adverse effects on normal power transmission of the cable due to moisture entering after long-term use.

The sealing member 12 is movably disposed through an elastic pressing structure disposed on the outer circumference of the cable, and the elastic pressing structure stores elastic potential energy in the process of connecting the cable with the bus bar.

Referring to fig. 1 and 3 again, the elastic pressing structure includes a threaded member disposed on the outer periphery of the protective layer 5 and a ring 11 connected to the threaded member through a plurality of sets of elastic members, and the ring 11 is rotatably connected to the sealing member 12.

Referring to fig. 2 again, the screw member includes a sleeve 6 fixedly disposed on the outer periphery of the protective layer 5 and a rotating member 7 disposed on the outer periphery of the sleeve 6.

Specifically, the outer periphery of the sleeve 6 and the inner wall of the rotating member 7 are provided with threads, and the two are connected by the threads.

When carrying out being connected of cable and busbar, rotate a 7, then, rotate a 7 and just carry out screw-thread fit with external member 6, thereby rotate a 7 just produces and removes on external member 6, and drive ring 11 and the motion of sealing member 12 towards the busbar through multiunit elastic component, after sealing member 12 contacts with the connecting portion on the busbar, multiunit elastic potential energy will be deposited simultaneously to the elastic component, finally just make sealing member 12 exert an elastic force to the connecting portion on the busbar, thereby, guaranteed sealed reliability, prevent that the later stage from causing the problem emergence of influence because of the easy entering of moisture to the transmission of cable.

The elastic part comprises a cylinder 9 arranged on the rotating part 7 and a telescopic column 10 arranged in the cylinder 9 in a sliding mode, the central axes of the cylinder 9 and the telescopic column 10 are overlapped, two ends of the cylinder 9 are communicated, and the telescopic column 10 is in sliding fit with the cylinder 9 through an energy storage part. The energy storage part comprises a spring 8 arranged in the cylinder 9, one end of the spring 8 is connected with the rotating part 7, and the other end of the spring is connected with one end, far away from the circular ring 11, of the telescopic column 10.

In detail, the cylinder 9 is fixedly installed on a side of the rotating member 7 facing the ring 11, and an end of the telescopic column 10 located outside the cylinder 9 is fixed with the ring 11.

Be provided with spout 13 on the periphery of ring 11, just be provided with protruding portion 14 on the inner wall of sealing member 12, spout 13 with the protruding portion 14 both are circular-arc setting, just sealing member 12 passes through protruding portion 14 with spout 13 with ring 11 rotates and connects.

In the process of rotating the rotating piece 7, and after the sealing piece 12 contacts with the connecting part on the busbar, along with the continuous rotation of the rotating piece 7, the telescopic column 10 will gradually move towards the cylinder 9, and simultaneously, the telescopic column 10 compresses the spring 8, stores elastic potential energy, and provides guarantee for the moisture resistance of the cable, wherein, the arrangement of the sliding groove 13 and the protruding part 14 enables the rotation of the ring 11 and the sealing piece 12 to be connected, so that the normal rotation of the rotating piece 7 is ensured, and the problem that the rotating piece 7 is difficult to rotate due to the elastic force of the compression of the spring 8 is prevented from occurring.

To sum up, can conclude, the simple structure of this cable, the practicality is strong, and when being connected with the busbar, can effectively seal its and the gap between the busbar connecting portion, has reached damp-proofing purpose, has guaranteed circuit line connection's stability.

It will be evident to those skilled in the art that the utility model 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 utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A flexible metal current bus cable is characterized by comprising an inner core (1) and a plurality of conductors (2) arranged on the periphery of the inner core (1) along the circumference;

the inner core (1) and the plurality of conductors (2) are stranded into a bundle to form a cable core, a cladding layer group is arranged on the periphery of the cable core, a gap is reserved between every two adjacent conductors (2), and a filler (3) is arranged in the gap;

two ends of the flexible metal current bus bar cable are respectively provided with a sealing element (12), and the sealing elements (12) are used for being abutted against the upper connecting part of the bus bar when the cable is connected with the bus bar;

the sealing element (12) is movably arranged through an elastic pressing structure arranged on the periphery of the cable, and elastic potential energy is stored in the elastic pressing structure in the process of connecting the cable and the bus bar.

2. A flexible metal current bus cable according to claim 1, wherein said set of cladding layers comprises an insulating layer (4) and a protective layer (5) arranged in sequence on the outer circumference of said core.

3. A flexible metal current bus cable according to claim 2, wherein said elastic pressure structure comprises a threaded member disposed on the outer periphery of said protective layer (5) and a ring (11) connected to said threaded member by a plurality of sets of elastic members, and wherein said ring (11) is rotatably connected to said sealing member (12).

4. A flexible metal current bus cable according to claim 3, wherein the threaded member comprises a sleeve member (6) fixedly arranged on the outer circumference of the protective layer (5) and a rotating member (7) arranged on the outer circumference of the sleeve member (6), wherein both the outer circumference of the sleeve member (6) and the inner wall of the rotating member (7) are provided with threads, and wherein the two are in threaded connection.

5. A flexible metal current bus cable according to claim 4, wherein the resilient member comprises a cylinder (9) fixedly mounted on a side of the rotating member (7) facing the circular ring (11) and a telescopic post (10) slidably sleeved with the cylinder (9) via an energy storage member, the central axes of the telescopic post (10) and the cylinder (9) coincide, and an end of the telescopic post (10) away from the rotating member (7) is fixedly connected with the circular ring (11).

6. A flexible metal current bus cable according to claim 5, wherein both ends of the cylinder (9) are arranged through, the energy storage member comprises a spring (8) arranged in the cylinder (9), one end of the spring (8) is connected with the rotating member (7), and the other end is connected with one end of the telescopic column (10) far away from the circular ring (11).

7. A flexible metal current bus cable according to claim 5, wherein a sliding groove (13) is provided on the outer circumference of the ring (11), and a protrusion (14) is provided on the inner wall of the sealing member (12), wherein the sliding groove (13) and the protrusion (14) are both arranged in a circular arc shape, and the sealing member (12) is rotatably connected to the ring (11) through the protrusion (14) and the sliding groove (13).