CN216647932U

CN216647932U - Outdoor special cable for communication

Info

Publication number: CN216647932U
Application number: CN202122825537.XU
Authority: CN
Inventors: 邝旭东
Original assignee: Shenzhen Optichina Technology Ltd
Current assignee: Shenzhen Optichina Technology Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-31
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of communication cables, and particularly relates to an outdoor special cable for communication, which comprises a cable core, wherein a filling layer is arranged on the outer side of the cable core, a steel wire rope is fixedly connected inside the filling layer, a shielding layer is fixedly connected on the outer side of the filling layer, a plurality of uniformly distributed sleeves are fixedly connected on the outer side of the shielding layer, a plurality of uniformly distributed buffer cylinders are fixedly connected on the outer side of each sleeve, a buffer rod is slidably connected inside each buffer cylinder, a buffer block is fixedly connected at one end of each buffer rod, a spring is arranged inside each buffer cylinder, and a protective sleeve is fixedly sleeved on the outer side of each buffer block. According to the utility model, the steel wire rope, the shielding layer and other structures are additionally arranged on the outer side of the cable core, so that the steel wire rope can effectively improve the tensile strength of the cable in windy weather, the cable is prevented from being damaged, and the influence of signals on data transmission of the cable core can be effectively shielded by the shielding layer.

Description

Outdoor special cable for communication

Technical Field

The utility model relates to the technical field of communication cables, in particular to an outdoor special cable for communication.

Background

A communications cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like, and can be used for communication in specific regions by using special cables.

In the prior art, the special cable needs to be knocked off by people in freezing weather, the cable is easily damaged in the knocking process, the tensile strength of the cable is low in windy weather, the cable is easy to break, and when the special cable is used, more interference signals are generated at special positions, and the signals transmitted by the cable are easily influenced. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an outdoor special cable for communication, which solves the problems that the cable is easy to damage due to knocking, the tensile strength is low and the shielding performance to signals is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an outdoor special type cable for communication, includes the cable core, the outside of cable core is provided with the filling layer, the inside fixedly connected with wire rope of filling layer, the outside fixedly connected with shielding layer of filling layer, a plurality of evenly distributed's of the outside fixedly connected with sleeve pipe of shielding layer, a plurality of evenly distributed's of sheathed tube outside fixedly connected with buffer cylinder, the inside sliding connection of buffer cylinder has the buffer beam, the one end fixedly connected with buffer block of buffer beam, the inside of buffer cylinder is provided with the spring, the fixed protective sheath that has cup jointed in the outside of buffer block.

Preferably, the filling layer is made of polystyrene foam, and the shape of the filling layer is cylindrical.

Preferably, the shielding layer is formed by weaving tinned copper wires.

Preferably, the number of the steel wire ropes is multiple, and the steel wire ropes are uniformly distributed in the filling layer.

Preferably, one end of the spring is fixedly connected with the buffer cylinder, and the other end of the spring is fixedly connected with the buffer rod.

Preferably, the inside of the buffer cylinder is fixedly connected with a limiting ring, and the inner side of the limiting ring is connected with the outer side of the buffer rod in a sliding manner.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the steel wire rope, the shielding layer and other structures are additionally arranged on the outer side of the cable core, so that the steel wire rope can effectively improve the tensile strength of the cable in windy weather, the cable is prevented from being damaged, and the influence of signals on data transmission of the cable core can be effectively shielded by the shielding layer.

2. According to the utility model, the structures such as the buffer block, the spring, the buffer rod and the like are additionally arranged in the cable, so that when ice on the outer side of the protective sleeve is removed, the impact force can be effectively buffered through the elastic deformation of the spring, and the cable can be prevented from being damaged.

Drawings

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

FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is a right side cross-sectional view of FIG. 1 of the present invention;

fig. 4 is an enlarged view of the structure of part a of fig. 3 according to the present invention.

In the figure: 1. a cable core; 2. a filling layer; 3. a wire rope; 4. a shielding layer; 5. a sleeve; 6. a buffer cylinder; 7. a buffer rod; 8. a buffer block; 9. a spring; 10. a limiting ring; 11. and (6) a protective sleeve.

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.

Please refer to fig. 1-4, an outdoor special cable for communication, including cable core 1, the outside of cable core 1 is provided with filling layer 2, the inside fixedly connected with wire rope 3 of filling layer 2, the outside fixedly connected with shielding layer 4 of filling layer 2, the outside fixedly connected with a plurality of evenly distributed's of shielding layer 4 sleeve pipe 5, the outside fixedly connected with a plurality of evenly distributed's of sleeve pipe 5 buffer tube 6, the inside sliding connection of buffer tube 6 has buffer beam 7, the one end fixedly connected with buffer block 8 of buffer beam 7, the inside of buffer tube 6 is provided with spring 9, the outside of buffer block 8 is fixed to be cup jointed protective sheath 11.

Referring to fig. 3, the filling layer 2 is made of a polystyrene foam material, the filling layer 2 is cylindrical, and the filling layer 2 can fix the cable core 1.

Referring to fig. 3, the shielding layer 4 is formed by weaving tinned copper wires, and the shielding layer 4 can protect the cable core 1.

Referring to fig. 1, the number of the steel wire ropes 3 is multiple, the steel wire ropes 3 are uniformly distributed in the filling layer 2, and the steel wire ropes 3 can effectively enhance the overall strength of the cable.

Referring to fig. 4, one end of the spring 9 is fixedly connected to the buffer tube 6, the other end of the spring 9 is fixedly connected to the buffer rod 7, and the spring 9 can buffer the impact force by elastic force.

Referring to fig. 4, a limiting ring 10 is fixedly connected inside the buffer cylinder 6, the inner side of the limiting ring 10 is slidably connected with the outer side of the buffer rod 7, and the limiting ring 10 can limit the buffer rod 7.

The specific implementation process of the utility model is as follows: after the cable installation, when meetting rainy weather, when the workman strikes protective sheath 11 through the stick, the impulsive force passes through protective sheath 11, buffer block 8 and buffer beam 7 transmit to on the spring 9, elastic deformation takes place for spring 9 after receiving the impact force, spring 9 can offset the impulsive force at the in-process that takes place elastic deformation, thereby can protect inner cable core 1 can not damage, during the data transmission of cable core 1 inside, shielding layer 4 that forms is woven by the tinned copper wire can form the electromagnetic shield to inside cable core 1, thereby can avoid the signal in the environment to influence the signal of 1 inside transmission of line cable core, during strong wind day, can avoid damaging through the holistic tensile strength of many wire rope 3 reinforcing cables cable cores.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An outdoor special cable for communication, comprising a cable core (1), characterized in that: the outside of cable core (1) is provided with filling layer (2), inside fixedly connected with wire rope (3) of filling layer (2), outside fixedly connected with shielding layer (4) of filling layer (2), sleeve pipe (5) of a plurality of evenly distributed of outside fixedly connected with of shielding layer (4), buffer cylinder (6) of a plurality of evenly distributed of outside fixedly connected with of sleeve pipe (5), the inside sliding connection of buffer cylinder (6) has buffer beam (7), one end fixedly connected with buffer block (8) of buffer beam (7), the inside of buffer cylinder (6) is provided with spring (9), the outside of buffer block (8) is fixed to have cup jointed protective sheath (11).

2. An outdoor specialty cable for communications according to claim 1 wherein: the filling layer (2) is made of polystyrene foam materials, and the filling layer (2) is cylindrical.

3. An outdoor specialty cable for communications according to claim 1 wherein: the shielding layer (4) is formed by weaving tinned copper wires.

4. An outdoor specialty cable for communications according to claim 1 wherein: the number of the steel wire ropes (3) is multiple, and the steel wire ropes (3) are uniformly distributed in the filling layer (2).

5. An outdoor specialty cable for communications according to claim 1 wherein: one end of the spring (9) is fixedly connected with the buffer cylinder (6), and the other end of the spring (9) is fixedly connected with the buffer rod (7).

6. An outdoor specialty cable for communications according to claim 1 wherein: the inside fixedly connected with spacing ring (10) of buffer cylinder (6), the inboard of spacing ring (10) with the outside sliding connection of buffer beam (7).