CN112735642A

CN112735642A - Cable with improved insulation

Info

Publication number: CN112735642A
Application number: CN202011582520.XA
Authority: CN
Inventors: 楼益强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-30

Abstract

The invention discloses a cable which comprises a cable body and more than one fixing ring, wherein the cable body comprises an outer protection layer, a metal wire mesh layer, an insulation layer and more than one wire core, one side of the outer protection layer is arranged in a breaking mode, a concave part is formed on a fracture on one side of the outer protection layer, a convex part is formed on a fracture on the other side of the outer protection layer, a first fixing piece is installed on the outer side surface of the concave part, a second fixing piece is installed on the inner side surface of the convex part, and the first fixing piece and the second fixing piece are synchronously locked and fixed through clamping and screws. The invention has simple structure, the upper ends of the first and second fixing sheets are locked and fixed by screws, and the lower ends are clamped and connected by the clamping block and the clamping groove, so that the lower ends are prevented from being opened outwards, the sealing performance is improved, the convex parts and the concave parts are arranged in a staggered manner, the sealing performance is further improved, and meanwhile, the fixing rings can be connected in a threaded manner, so that the outer protective layers can be connected into a whole, and the sealing performance of the connecting part is ensured under the condition that the outer protective layers are detachable.

Description

Cable with improved insulation

Technical Field

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

Background

Some control cables for connecting to the automation equipment moving back and forth drag back and forth on the ground with the movement of the equipment during operation, and therefore, wear of the outer sheath thereof is inevitable. However, when the sheath is worn to a certain degree, if the sheath cannot be found in time, the main insulating layer in the cable is easily damaged until the insulation breakdown directly abandons the cable to process, so that the resource is wasted, and if the sheath can be replaced in time, the cable core in the cable is still intact, so that the resource can be effectively saved.

Disclosure of Invention

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

The invention is realized by the following technical scheme: the utility model provides a cable, including cable body and more than one solid fixed ring, the cable body includes the outer protective layer, the wire mesh layer, insulating layer and more than one sinle silk, the insulating layer wraps up in the outside of more than one sinle silk, the wire mesh layer is installed in the insulating layer outside, the outer protective layer wraps up in the outside on wire mesh layer, gu fixed ring all overlaps and locates the wire mesh layer outside, gu fixed ring's outer lane is all installed on the outer protective layer, one side disconnection setting of outer protective layer, form a concave part on the fracture of one side of outer protective layer, form a convex part on the fracture of outer protective layer opposite side, the coincidence sets up between concave part and the convex part, install first stationary blade on the lateral surface of concave part, install the second stationary blade on the medial surface of convex part, it is fixed through joint and the synchronous.

As the preferred technical scheme, the first fixing piece outwards protrudes towards one side of the metal wire mesh layer to form more than one fixing portion, the outer side face of the first fixing piece is provided with a clamping groove towards the fixing portion, the second fixing piece is provided with a clamping block towards the clamping groove, one end of the clamping block is inserted into the clamping groove, the upper ends of the first fixing piece and the second fixing piece are outwards bent to form a connecting portion, and the connecting portion is locked and fixed through more than one screw.

As the preferred technical scheme, more than one positioning column is installed on the inner wall surface of the outer protection layer, the positioning holes are formed in the positions, right opposite to the positioning columns, of the metal wire mesh layers, positioning grooves are formed in the positions, right opposite to the positioning columns, of the outer wall surface of the insulation layer, and one end of each positioning column penetrates through the corresponding positioning hole to be inserted into the corresponding positioning groove.

As the preferred technical scheme, the fixing rings comprise the first half rings and the second half rings, one ends of the first half rings and one ends of the second half rings are connected through hinges, the other ends of the first half rings are provided with the buckles, the other ends of the second half rings are provided with the bayonets, and one ends of the buckles are inserted into the bayonets.

As the preferred technical scheme, the fixing ring on one side protrudes outwards to form a connecting ring, the middle of the connecting ring is also disconnected, external threads are arranged on the outer wall surface of the connecting ring, the inner diameter of the fixing ring on the other side is larger than that of the other fixing ring, and internal threads matched with the external threads are arranged on the inner ring surface of the fixing ring on the other side.

Preferably, a notch is provided between the projection and the connecting portion.

Preferably, the length of the first fixing sheet and the length of the second fixing sheet are the same as the length of the outer protective layer.

The invention has the beneficial effects that: the metal wire mesh layer is simple in structure, the outer protection layer is directly arranged outside the metal wire mesh layer through the first fixing piece and the second fixing piece, the upper ends of the first fixing piece and the second fixing piece are locked and fixed through screws, the lower ends of the first fixing piece and the second fixing piece are clamped and connected through the clamping block and the clamping groove, the lower ends of the first fixing piece and the second fixing piece are prevented from being opened outwards, the sealing performance is improved, the convex portions and the concave portions are arranged in a staggered mode, the sealing performance is further improved, meanwhile, the fixing rings can be connected through threads, the outer protection layers can be connected into a whole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a retaining ring according to the present invention.

Detailed Description

As shown in fig. 1, 2 and 3, a cable includes a cable body and one or more fixing rings, the cable body includes outer protective layer 1, wire mesh layer 6, insulating layer 19 and more than one sinle silk 8, insulating layer 19 wraps up in more than one sinle silk 8's outside, wire mesh layer 6 is installed in insulating layer 19 outside, outer protective layer 1 wraps up in wire mesh layer 6's outside, gu fixed ring all overlaps and locates wire mesh layer 6 outside, gu fixed ring's outer lane is all installed on outer protective layer 1, one side disconnection setting of outer protective layer 1, form a concave part on the fracture of one side of outer protective layer 1, form a convex part on the fracture of outer protective layer opposite side, the coincidence sets up between concave part and the convex part, install first stationary blade 2 on the lateral surface of concave part, install second stationary blade 3 on the medial surface of convex part, it is fixed through joint and the synchronous locking of screw between first stationary blade 2 and the second stationary blade 3.

In this embodiment, the first fixing piece 2 protrudes outwards to form more than one fixing portion 13 on the side facing the metal mesh layer 6, the outer side of the first fixing piece 2 is provided with a slot 15 towards the fixing portion, the second fixing piece 3 is provided with a clamping block 14 towards the slot, one end of the clamping block 14 is inserted into the slot 15, the upper ends of the first fixing piece 2 and the second fixing piece 3 are bent outwards to form a connecting portion, and the connecting portion is locked and fixed by more than one screw.

In this embodiment, more than one positioning column 12 is installed on the inner wall surface of the outer protection layer 1, the positioning holes are formed at positions, right opposite to the positioning columns, of the wire mesh layer 6, positioning grooves are formed in positions, right opposite to the positioning columns 12, of the outer wall surface of the insulation layer 19, and one end of each positioning column 12 penetrates through the positioning holes to be inserted into the corresponding positioning groove.

In this embodiment, the fixing rings each include a first half ring 16 and a second half ring 17, one end of each of the first half ring 16 and the second half ring 17 is connected by a hinge, the other end of each of the first half rings 17 is provided with a buckle 18, the other end of each of the second half rings 17 is provided with a bayonet, and one end of each of the buckles 18 is inserted into the bayonet.

In this embodiment, the fixed ring of one side is gone up and is outwards protruded and form a connecting ring 11, also breaks off the setting in the middle of the connecting ring 11, all is equipped with the external screw thread on the outer wall of connecting ring 11, and the fixed ring's of opposite side internal diameter is greater than the fixed ring's of another internal diameter, is equipped with the internal thread with external screw thread assorted on the fixed ring's of opposite side internal ring face.

In this embodiment, a gap 4 is provided between the protrusion and the connecting portion, so that the screw can realize the threaded connection between the connecting portions along the gap.

In the present embodiment, the lengths of the first fixing sheet 2 and the second fixing sheet 3 are the same as the length of the outer protective layer.

After the outer protective layer is damaged, the screw can be directly screwed out, at the moment, the second fixing piece can be moved downwards, the clamping block on the second fixing piece is pulled out from the clamping groove, the outer protective layer can be directly opened, the first half ring and the second half ring can be synchronously opened in the opening process, the outer protective layer and the fixing ring can be simultaneously taken down from the metal wire mesh layer, and a new outer protective layer is replaced again;

when a new outer protective layer is installed, the positioning column is inserted into the positioning groove to increase the stability between the outer protective layer and the insulating layer and between the outer protective layer and the metal wire mesh layer, when the convex part and the concave part of the outer protective layer are overlapped, the buckle on the fixing ring is inserted into the hole, so that the fixing ring can be clamped on the metal wire mesh layer, and the clamping block on the first fixing sheet can be inserted into the clamping groove, so that the lower ends of the first fixing sheet and the second fixing sheet are jointed, the outward opening is avoided, after the connecting part is locked and fixed by the screw, the upper ends of the first fixing piece and the second fixing piece can be jointed, thereby avoiding outward opening, increasing the sealing property, after locking, the first fixing sheet and the second fixing sheet can be attached to the upper pipe of the fixing ring, the connecting ring can be inserted into the fixing ring on one side between the fixing rings, and the outer protective layer can be in threaded connection with the fixing ring on one side, so that the firmness and the tightness of connection are improved.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A cable, characterized by: the cable comprises a cable body and more than one fixing ring, wherein the cable body comprises an outer protection layer (1), a metal wire mesh layer (6), an insulation layer (19) and more than one wire core (8), the insulation layer (19) is wrapped outside the more than one wire core (8), the metal wire mesh layer (6) is installed outside the insulation layer (19), the outer protection layer (1) is wrapped outside the metal wire mesh layer (6), the fixing rings are all sleeved outside the metal wire mesh layer (6), the outer rings of the fixing rings are all installed on the outer protection layer (1), one side of the outer protection layer (1) is disconnected, a concave part is formed on a fracture on one side of the outer protection layer (1), a convex part is formed on a fracture on the other side of the outer protection layer, the concave part and the convex part are overlapped, a first fixing sheet (2) is installed on the outer side face of the concave part, and a second fixing sheet (, the first fixing piece (2) and the second fixing piece (3) are synchronously locked and fixed through clamping and screws.

2. A cable according to claim 1, wherein: first stationary blade (2) outwards bulge on the side of wire mesh layer (6) and form more than one fixed part (13), the lateral surface of first stationary blade (2) is just all being equipped with a draw-in groove (15) to fixed part department, fixture block (14) are just all installed to draw-in groove department to second stationary blade (3), fixture block (14) one end all inserts in draw-in groove (15), the upper end of first stationary blade (2) and second stationary blade (3) all outwards bends and forms a connecting portion, it is fixed through more than one screw locking between the connecting portion.

3. A cable according to claim 1, wherein: more than one positioning column (12) is installed on the inner wall surface of the outer protection layer (1), the metal wire mesh layer (6) is provided with positioning holes right opposite to the positioning columns, the outer wall surface of the insulation layer (19) is provided with positioning grooves right opposite to the positioning columns (12), and one end of each positioning column (12) penetrates through the positioning holes to be inserted into the corresponding positioning grooves.

4. A cable according to claim 1, wherein: the fixing ring comprises a first half ring (16) and a second half ring (17), one end of the first half ring (16) is connected with one end of the second half ring (17) through a hinge, a buckle (18) is arranged at the other end of the first half ring (17), a bayonet is arranged at the other end of the second half ring (17), and one end of the buckle (18) is inserted into the bayonet.

5. A cable according to claim 1, wherein: the fixed ring of one side goes up outward protrusion and forms a go-between (11), also breaks off the setting in the middle of go-between (11), all is equipped with the external screw thread on the outer wall of go-between (11), and the fixed ring's of opposite side internal diameter is greater than the fixed ring's of another internal diameter, is equipped with the internal thread with external screw thread assorted on the fixed ring's of opposite side internal ring face.

6. A cable according to claim 1, wherein: a gap (4) is arranged between the convex part and the connecting part.

7. A cable according to claim 1, wherein: the length of the first fixing sheet (2) and the second fixing sheet (3) is the same as that of the outer protection layer.