CN219696111U

CN219696111U - Transmission network cable

Info

Publication number: CN219696111U
Application number: CN202320712400.XU
Authority: CN
Inventors: 张成功
Original assignee: Guangdong Minzan Industry Co ltd
Current assignee: Guangdong Minzan Industrial Group Co.,Ltd.
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-09-15
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a transmission network cable which comprises a flame retardant layer, a protective layer and three groups of transmission conductors, wherein three groups of primary buffer parts are fixed on the inner wall of the protective layer, the primary buffer parts are M-shaped, triangular buffer parts are arranged in the protective layer, three groups of constraint parts are arranged on the outer sides of the triangular buffer parts, and each group of constraint parts comprises two secondary buffer parts fixed on the outer sides of the triangular buffer parts. Because the outer circumference surface of the insulating layer is in linear contact with one side of the second-level buffer piece and the concave part of the first-level buffer piece, the insulating layer is always positioned between the first-level buffer piece and the second-level buffer piece, when the transmission conductor is extruded, the triangular buffer piece can pull the buffer belt after being extruded, and when the transmission conductor is not extruded, the transmission conductor can be driven to recover to the original position under the resilience force of the buffer belt, and the transmission conductor is still positioned between the first-level buffer piece and the second-level buffer piece.

Description

Transmission network cable

Technical Field

The present utility model relates to the field of network cables, and in particular, to a transmission network cable.

Background

A network cable, which is a medium for transmitting information from one network device to another, is a basic component of a network, and is typically laid according to a transmission distance between two network devices, so that the network cable transmits signals through various severe environments.

Publication number CN 210073447U discloses a high performance transmission network cable, which comprises a protective layer, an outer protective insulating layer, a mylar aluminum foil layer and a braiding layer, wherein four twisted wire pairs are arranged in an inner cavity surrounded by the protective layer, and each twisted wire pair is wrapped with the mylar aluminum foil layer. The network cable can improve the compression resistance, so that the network transmission is not easy to damage.

The network cable of the above patent and prior art has the following problems: that is, the cable is deformed or damaged due to the fact that the network cable is greatly pulled or extruded, and although the buffer elastic layer is added in the patent, the buffer elastic layer is single in structure and limited in deformation range, so that the buffer force is insufficient, and the cable is still damaged when the cable is greatly extruded.

Disclosure of Invention

Object of the utility model

Accordingly, the present utility model is directed to a transmission network cable, which solves the technical problem that the cable is deformed or damaged due to the larger pulling or extrusion of the network cable, and the buffer elastic layer is added in the existing network cable, but the buffer elastic layer has a single structure, can limit the deformation range, has insufficient buffering force, and still has the risk of damaging the cable when the cable is extruded greatly.

(II) technical scheme

In order to achieve the above technical purpose, the present utility model provides a transmission network cable:

the novel fire-retardant protection device comprises a fire-retardant layer, a protection layer and three groups of transmission conductors, wherein three groups of primary buffer pieces are fixed on the inner wall of the protection layer, the primary buffer pieces are in an M shape, triangular buffer pieces are arranged in the protection layer, three groups of constraint parts are arranged on the outer sides of the triangular buffer pieces, each group of constraint parts comprises two secondary buffer pieces fixed on the outer sides of the triangular buffer pieces, insulating layers are wrapped on the outer sides of each group of transmission conductors, the outer circumferential surfaces of the insulating layers are in linear contact with one sides of the secondary buffer pieces and the concave parts of the primary buffer pieces, and positioning parts for positioning the triangular buffer pieces are arranged in the protection layer.

Preferably, the flame retardant layer is wrapped on the outer side of the protective layer, and three sides of the triangular buffer piece correspond to the corresponding first-level buffer pieces respectively.

Preferably, the positioning part comprises buffer belts fixed at three corners of the triangular buffer piece, and one side, away from the triangular buffer piece, of the buffer belts is fixed with the inner wall of the protective layer.

Preferably, an inner core buffer is provided in the triangular buffer, and an outer circumferential surface of the inner core buffer is in linear contact with three sides of the triangular buffer.

Preferably, the triangular buffer piece, the second-level buffer piece, the first-level buffer piece, the buffer belt and the inner core buffer piece are made of elastic rubber materials, and the axes of the flame retardant layer, the protective layer and the inner core buffer piece are overlapped.

Preferably, a first filling layer is formed between the protective layer and the triangular buffer, a second filling layer is formed between the inner core buffer and the triangular buffer, and the cavity of the inner core buffer is a third filling layer.

From the above technical scheme, the utility model has the following beneficial effects:

1: when the network cable receives the extrusion back, one-level bolster begins to extrude the transmission conductor to one-level bolster can take place deformation, buffering a part extrusion force, and one-level bolster extrusion transmission conductor can drive the transmission conductor and remove, when the transmission conductor removed extrusion second grade bolster, the second grade bolster can take place deformation, further buffering a part pressure, and the second grade bolster receives and can extrude the triangle bolster after the extrusion, triangle bolster can take place deformation thereupon, extrusion inner core bolster after the triangle bolster deformation, inner core bolster also can take place deformation thereupon, and then the extrusion force that multilayer deformation can be abundant buffering transmission conductor received.

2: because the outer circumference surface of the insulating layer is in linear contact with one side of the second-level buffer piece and the concave part of the first-level buffer piece, the insulating layer is always positioned between the first-level buffer piece and the second-level buffer piece, when the transmission conductor is extruded, the triangular buffer piece can pull the buffer belt after being extruded, and when the transmission conductor is not extruded, the transmission conductor can be driven to recover to the original position under the resilience force of the buffer belt, and the transmission conductor is still positioned between the first-level buffer piece and the second-level buffer piece.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic cross-sectional view of a transmission network cable according to the present utility model;

fig. 2 is a schematic view of a part of the structure of fig. 1 according to the present utility model.

Description of the drawings: 1. a flame retardant layer; 2. a protective layer; 3. triangular buffer pieces; 4. a transmission conductor; 5. a primary buffer; 6. a secondary buffer; 7. an inner core buffer; 8. a second filler layer; 9. a third filler layer; 10. a first filler layer; 11. a buffer belt; 12. an insulating layer.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.

The utility model provides a transmission network cable as shown in fig. 1-2, which comprises a flame retardant layer 1, a protective layer 2 and three groups of transmission conductors 4, wherein three groups of primary buffer pieces 5 are fixed on the inner wall of the protective layer 2, the primary buffer pieces 5 are M-shaped, the flame retardant layer 1 is wrapped on the outer side of the protective layer 2, three sides of a triangular buffer piece 3 respectively correspond to the corresponding primary buffer pieces 5, a triangular buffer piece 3 is arranged in the protective layer 2, an inner core buffer piece 7 is arranged in the triangular buffer piece 3, a first filling layer 10 is formed between the protective layer 2 and the triangular buffer piece 3, a second filling layer 8 is formed between the inner core buffer piece 7 and the triangular buffer piece 3, a cavity of the inner core buffer piece 7 is a third filling layer 9, and the outer circumferential surface of the inner core buffer piece 7 is in linear contact with the three sides of the triangular buffer piece 3.

It should be noted that, the flame retardant layer 1 is made of flame retardant polyvinyl chloride, so as to increase the flame retardant capability of the network cable, while the inner core buffer member 7, the second filling layer 8 and the first filling layer 10 are filled with flame retardant fibers, so that the flame retardant capability of the network cable is further improved, and the protective layer 2 is made of low smoke halogen-free polyolefin.

Wherein, the outside of triangle bolster 3 is provided with three restraint portion, and every restraint portion of group is including two second grade bolster 6 that are fixed in triangle bolster 3 outsides, the outside of every transmission conductor 4 of group all wraps up and has insulating layer 12, the outer circumference surface of insulating layer 12 and one side of second grade bolster 6, the depressed part linear contact of first grade bolster 5, be provided with the location portion that is used for carrying out the location to triangle bolster 3 in the protective layer 2, location portion is including being fixed in the buffer belt 11 of three corners of triangle bolster 3, and the buffer belt 11 is kept away from one side of triangle bolster 3 and the inner wall of protective layer 2 is fixed mutually, triangle bolster 3, second grade bolster 6, first grade bolster 5, buffer belt 11, inner core bolster 7 are elastic rubber material, fire-retardant layer 1, protective layer 2, the axis of inner core bolster 7 coincide mutually.

It should be noted that, when the network cable is extruded, the first-stage buffer member 5 will extrude the transmission conductor 4, and the first-stage buffer member 5 will deform when extruding the transmission conductor 4, the first-stage buffer member 5 extrudes the transmission conductor 4 to drive the transmission conductor 4 to extrude the second-stage buffer member 6, the second-stage buffer member 6 will deform accordingly, and the second-stage buffer member 6 will extrude the triangular buffer member 3 after being extruded to deform the triangular buffer member 3, and the force after the triangular buffer member 3 deforms will extrude the inner core buffer member 7, so that the inner core buffer member 7 will deform too, and the force when the triangular buffer member 3 deforms will pull the buffer belt 11, when the network cable is not being extruded, the transmission conductor 4 will be restored to its original position when the buffer belt 11 is in resilience.

The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The utility model provides a transmission network cable, includes fire-retardant layer (1), protective layer (2) and three transmission conductor (4) of group, its characterized in that, the inner wall of protective layer (2) is fixed with three one-level buffers (5) of group, one-level buffers (5) are "M" type, be provided with triangle buffer (3) in protective layer (2), and the outside of triangle buffer (3) is provided with three restraint portions of group, and every restraint portion of group includes two second grade buffers (6) that are fixed in triangle buffer (3) outside, and the outside of every transmission conductor (4) of group all wraps up has insulating layer (12), the outer circumference surface of insulating layer (12) and one side of second grade buffers (6), the concave part linear contact of one-level buffers (5), be provided with the location portion that is used for carrying out location to triangle buffer (3) in protective layer (2).

2. A transmission network cable according to claim 1, wherein the flame retardant layer (1) is wrapped on the outer side of the protective layer (2), and three sides of the triangular buffer (3) respectively correspond to the corresponding primary buffer (5).

3. A transmission network cable according to claim 1, wherein the positioning part comprises buffer tapes (11) fixed at three corners of the triangular buffer (3), and a side of the buffer tapes (11) away from the triangular buffer (3) is fixed to an inner wall of the protective layer (2).

4. A transmission network cable according to claim 3, wherein the triangular buffer (3) is provided therein with an inner core buffer (7), and an outer circumferential surface of the inner core buffer (7) is in linear contact with three sides of the triangular buffer (3).

5. The transmission network cable according to claim 4, wherein the triangular buffer member (3), the secondary buffer member (6), the primary buffer member (5), the buffer belt (11) and the inner core buffer member (7) are made of elastic rubber materials, and axes of the flame retardant layer (1), the protective layer (2) and the inner core buffer member (7) are coincident.

6. A transmission network cable according to claim 4, characterized in that a first filling layer (10) is formed between the protective layer (2) and the delta-buffer (3), a second filling layer (8) is formed between the core buffer (7) and the delta-buffer (3), and the cavity of the core buffer (7) is a third filling layer (9).