Optical cable sealing structure with elastic extrusion sealing function

Abstract

The invention discloses an optical cable sealing structure with an elastic extrusion sealing function. An optical cable burying hole for being penetrated by an optical cable is formed in a box body, abaffle ring, an elastic sealing ring, an elastic extrusion module and an extrusion bolt are sequentially arranged in the optical cable burying hole from inside to outside, the extrusion bolt is provided with a through hole for being penetrated by the optical cable, the elastic extrusion module comprises a front connecting component, a rear connecting component and a pressure spring, the front connecting component and the rear connecting component respectively are of an annular ring, and the front connecting component, the rear connecting component and the baffle ring are respectively of an upper-down two-petal structure. By arranging a two-petal sealing structure in the optical cable burying hole, the sealing structure can be conveniently penetrated by the optical fiber in a mounting process, and the optical cable can be conveniently and directly clamped into the sealing structure, so that rapid mounting and fixing are realized, and the sealing property is guaranteed.

Description

technical field [0001] The invention relates to an optical cable sealing structure with elastic extrusion sealing function. Background technique [0002] The optical cable splice box is used for the connection and protection between optical cables on the optical fiber network. In the prior art, in order to meet the needs of the straight-through and divergent connection functions of the optical cable splice box, the upper and lower covers of the box body and the sealing strips must be designed as a Hafur-type sealing structure that can be opened and fixed at the top and bottom. The optical cable buried hole of the existing optical cable splice box is usually sealed by soft elastic materials such as silicone rubber, so as to ensure good airtight and waterproof performance, so as to avoid moisture erosion. However, the ambient temperature of the optical cable splice box is - From 40 degrees to +65 degrees, the temperature changes greatly. However, after this kind of soft elas...

AI Technical Summary

Problems solved by technology

The optical cable buried hole of the existing optical cable splice box is usually sealed by soft elastic materials such as silicone rubber, so as to ensure good airtight and waterproof performance, so as to avoid the erosion of moisture. However, the ambient temperature of the optical cable splice box is - 40 degrees to +65 degrees, the temperature changes greatly

However, after this kind of soft elastic material is assembled at a higher temperature, when it enters a low temperature environment, the elastic performance of the soft elastic material is reduced, and the volume is reduced, thereby reducing the sealing performance. The applicant applied for the application number on 2017.07.28 The utility model 201720928523.1 discloses an elastic extrusion module, which is characterized in that it includes an upper connector, a spring, and a lower connector. The upper trough section, the upper connector slides on the lower connector

Although this type of structure can solve the problem of sealing, the opening is too small, so that the optical cable cannot be directly inserted, which makes the operation more troublesome.

Images