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CN-224217798-U - High fire-retardant fire prevention formula broadband symmetrical cable for LAN

CN224217798UCN 224217798 UCN224217798 UCN 224217798UCN-224217798-U

Abstract

The utility model relates to the technical field of local area network cables, in particular to a symmetrical cable for a high-flame-retardant fireproof broadband local area network, which comprises a symmetrical cable body and a protection mechanism, wherein the protection mechanism comprises a mounting cylinder, a sliding ring, a clamping ring, a fixing ring, a clamping seat and two fixing components, the mounting cylinder is fixedly connected with one end of the symmetrical cable body and is positioned on the outer side wall of the symmetrical cable body, the sliding ring is in sliding connection with the mounting cylinder and is positioned on the outer side wall of the mounting cylinder, the clamping ring is fixedly connected with one end of the sliding ring, the fixing ring is fixedly connected with the outer side wall of the symmetrical cable body and is positioned at one end of the symmetrical cable body far away from the mounting cylinder, the clamping seat is fixedly connected with one end of the fixing ring, the two fixing components are respectively arranged at two ends of the clamping ring and the fixing ring, and the connection position of the two cables is protected through the protection mechanism, so that the two cables cannot be broken, and the stability of the cable connection is improved.

Inventors

  • ZHANG TIANLONG

Assignees

  • 欧孚光电有限公司

Dates

Publication Date
20260508
Application Date
20250605

Claims (5)

  1. 1. A symmetrical cable for a high flame-retardant fireproof broadband local area network comprises a symmetrical cable body, and is characterized in that, The protection mechanism comprises a mounting cylinder, a sliding ring, a clamping ring, a fixing ring, a clamping seat and two fixing components, wherein the mounting cylinder is fixedly connected with one end of the symmetrical cable body and is positioned on the outer side wall of the symmetrical cable body, the sliding ring is in sliding connection with the mounting cylinder and is positioned on the outer side wall of the mounting cylinder, the clamping ring is fixedly connected with one end of the sliding ring, the fixing ring is fixedly connected with the outer side wall of the symmetrical cable body and is positioned on the end, away from the mounting cylinder, of the symmetrical cable body, the clamping seat is fixedly connected with one end of the fixing ring, and the two fixing components are respectively arranged at two ends of the clamping ring and the fixing ring.
  2. 2. The symmetrical cable for a broadband LAN with high flame retardant and fire prevention as set forth in claim 1, wherein, The fixing assembly comprises a fixing clamping block, a fixing block, a limiting rod and a telescopic sleeve, wherein the fixing block is provided with a limiting hole, the fixing clamping block is fixedly connected with one end of the fixing ring, the fixing block is fixedly connected with the clamping ring, the limiting rod is in sliding connection with the fixing clamping block and penetrates through the fixing clamping block, and the telescopic sleeve is arranged on the fixing clamping block and the limiting rod.
  3. 3. A symmetrical cable for a broadband LAN having high flame retardant and fire resistance as set forth in claim 2, wherein, The telescopic sleeve comprises a telescopic spring and a moving block, wherein the moving block is fixedly connected with one end of the limiting rod, two ends of the telescopic spring are respectively fixedly connected with the moving block and the fixed clamping block, and the limiting rod is positioned in the telescopic spring.
  4. 4. A symmetrical cable for a broadband LAN having high flame retardant and fire resistance as set forth in claim 3, wherein, The protection mechanism further comprises two limiting components, wherein each limiting component comprises a sliding block and a sliding groove, the sliding blocks are fixedly connected with the sliding rings, the sliding grooves are formed in one end of the mounting cylinder, and the sliding blocks are connected with the mounting cylinder in a sliding mode and located in the sliding grooves.
  5. 5. The symmetrical cable for a broadband LAN with high flame retardant and fire prevention as set forth in claim 4, wherein, The symmetrical cable for the high-flame-retardant fireproof broadband local area network further comprises a flame-retardant layer, wherein the flame-retardant layer is fixedly connected with the symmetrical cable body and is positioned on the outer side wall of the symmetrical cable body.

Description

High fire-retardant fire prevention formula broadband symmetrical cable for LAN Technical Field The utility model relates to the technical field of local area network cables, in particular to a symmetrical cable for a high-flame-retardant fireproof broadband local area network. Background The symmetrical cable for the broadband local area network is a cable for realizing high-speed data transmission in the local area network. The current communication cable is uniformly coated on a single-core copper conductor by high-speed insulating polyethylene, twisted by twisted pair equipment, then coated by a plurality of twisted pairs by using insulating PE polyester tape, finally coated by PVC (polyvinyl chloride) sheath extrusion, and the structure has very narrow transmission bandwidth and poor signal transmission. The utility model discloses a symmetrical cable for a local area network, which is disclosed in a patent application with the publication number of CN202855427U in the prior art, wherein four twisted wire pairs in a twisted wire unit are combined by adopting a specific twisted wire pair pitch, the twisted wire unit is reasonably designed into a cable pitch, which is beneficial to reducing near-end crosstalk interference of the cable and improving far-end crosstalk defending degree of the cable, improving the quality of a cable transmission signal, adapting to the broadband and digital transmission requirements in a program-controlled exchange communication system, secondly improving the signal transmission quality, furthest improving the flame-retardant fire resistance of the cable, reducing external electromagnetic interference and digital transmission in the same way, and the like. But the connection between the existing cables is connected through a puncture wire clamp, if the cables after connection are subjected to certain external force in the use process, the cable connection parts are easy to break, so that the stability is lower. Disclosure of utility model The utility model aims to provide a symmetrical cable for a high-flame-retardant fireproof broadband local area network, and aims to solve the problem that the stability is low because a cable joint is easily broken if a certain external force is applied to the cable after connection is completed in the use process because the existing connection between cables is connected through a puncture wire clamp. In order to achieve the above purpose, the utility model provides a symmetrical cable for a high flame-retardant fireproof broadband local area network, which comprises a symmetrical cable body and a protection mechanism, wherein the protection mechanism comprises a mounting cylinder, a sliding ring, a clamping ring, a fixing ring, a clamping seat and two fixing components, the mounting cylinder is fixedly connected with one end of the symmetrical cable body and is positioned on the outer side wall of the symmetrical cable body, the sliding ring is in sliding connection with the mounting cylinder and is positioned on the outer side wall of the mounting cylinder, the clamping ring is fixedly connected with one end of the sliding ring, the fixing ring is fixedly connected with the outer side wall of the symmetrical cable body and is positioned at one end of the symmetrical cable body far away from the mounting cylinder, the clamping seat is fixedly connected with one end of the fixing ring, and the two fixing components are respectively arranged at two ends of the clamping ring and the fixing ring. The fixing assembly comprises a fixing clamping block, a fixing block, a limiting rod and a telescopic sleeve, wherein the fixing block is provided with a limiting hole, the fixing clamping block is fixedly connected with one end of the fixing ring, the fixing block is fixedly connected with the clamping ring, the limiting rod is in sliding connection with the fixing clamping block and penetrates through the fixing clamping block, and the telescopic sleeve is arranged on the fixing clamping block and the limiting rod. The telescopic sleeve comprises a telescopic spring and a moving block, wherein the moving block is fixedly connected with one end of the limiting rod, two ends of the telescopic spring are respectively fixedly connected with the moving block and the fixed clamping block, and the limiting rod is positioned in the telescopic spring. The protection mechanism further comprises two limiting assemblies, each limiting assembly comprises a sliding block and a sliding groove, each sliding block is fixedly connected with the sliding ring, each sliding groove is arranged at one end of the corresponding installation cylinder, each sliding block is in sliding connection with the corresponding installation cylinder, and each sliding block is located in each sliding groove. The symmetrical cable for the high-flame-retardant fireproof broadband local area network further comprises a flame-retardant layer, wherein the flame-retardant layer is fixedly