A wall cable plug

A technology for sealing parts and cables, which is applied in the direction of cable inlet sealing devices, electrical components, pipes/pipe joints/pipe fittings, etc. It can solve problems such as loss of sealing effect, leakage of inflatable sealing bags, rupture of inflatable sealing bags, etc., to achieve Effect of suppressing ignition and lowering temperature

Active Publication Date: 2020-05-05
杭州博源电力设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current inflatable cable duct sealing device only uses an inflatable sealing bag to wrap the cable directly into the hole for inflation, and there are no other sealing measures, which causes the inflatable sealing bag to leak directly at the hole, making the inflatable sealing bag The bag is easy to break and leak under the action of external force, and loses the sealing effect

Method used

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  • A wall cable plug
  • A wall cable plug
  • A wall cable plug

Examples

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with accompanying drawing and specific embodiment:

[0027] Such as Figure 1-Figure 3 As shown, a wall cable sealing member of the present invention includes a fireproof casing 2, an inflatable sealing bag 5 is wound inside the fireproof casing 2, and an annular stop post 4 is integrally formed outside the nozzle of the fireproof casing 2. The diameter of the limiting column 4 is greater than the diameter of the hole to be blocked, and the limiting column 4 is evenly provided with a plurality of fixing holes along its circumference, and the screw 7 fixes the limiting column 4 and the wall body 1 together through the fixing holes; A closure cover 3 is buckled outside the post 4, the closure cover 3 includes a cover plate 31 and an extension column 32, the extension column 32 is located in the middle of the cover plate 31, the cover plate 31 and the extension column 32 are integrally formed, and the c...

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PUM

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Abstract

The invention relates to the technical field of power safety and discloses a wall cable sealing member, which comprises a fireproof bushing with an inflatable sealing bag coiled therein; wherein the opening of the fireproof bushing is sleeved with an annular stopping column capable of covering a hole to be sealed; a screw hole is disposed on the stopping column in the circumferential direction; asealing cover is disposed outside the stopping column and comprises a cover plate and an extension column; the sealing cover is provided with a through hole penetrating through the cover plate and theextension column; a plurality of grooves are circumferentially disposed on the side wall of the stopping column; an elastic member is fixed in the groove; an engagement block is fixed to the free endof the elastic member and has an isosceles trapezoidal cross section; and an engagement slot is disposed on a position where the cover plate and the engagement block are opposite to each other. The wall cable sealing member, by the cooperative use of the fireproof bushing and the sealing cover, seals the through-wall hole for passing the cable. The inflatable sealing bag and an inflatable airbagcan densely seal the through-wall hole and cannot be cracked or leaked by external force. The wall cable sealing member can achieve a fireproof, waterproof, anti-seepage and insect prevention purposeeffectively.

Description

technical field [0001] The invention relates to the technical field of electric power safety, in particular to a wall cable sealing piece. Background technique [0002] In recent years, with the rapid development of power cable construction, cable ducts are densely distributed underground in cities and in building walls. Before burying the cable inside the wall, it is necessary to open a hole through the wall. In order to prevent small animals from entering the hole to bite the cable, rainwater seeping into the hole or causing a fire accident due to the cable body or the cable being ignited by an external fire source, then It is necessary to take effective fire prevention and sealing measures for the holes. [0003] In the waterproof sealing process of cable duct wall holes, the inflatable cable duct sealing method is the most commonly used sealing method, which uses the principle of inflatable duct sealing bag inflation to realize the sealing function of the pipeline cable...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G15/013H02G3/22F16L5/04
CPCF16L5/04H02G3/22H02G15/013
Inventor 李可心丁云天黄众李士华
Owner 杭州博源电力设备有限公司
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