CN205944987U

CN205944987U - Shutoff in cable channel

Info

Publication number: CN205944987U
Application number: CN201620917927.6U
Authority: CN
Inventors: 陈洪波; 陈宝
Original assignee: Hangzhou Hongxin Electric Power Technology Co Ltd
Current assignee: Hangzhou Hongxin Electric Power Technology Co Ltd
Priority date: 2016-08-19
Filing date: 2016-08-19
Publication date: 2017-02-08
Anticipated expiration: 2026-08-19

Abstract

The utility model relates to a shutoff in cable channel. The purpose be in the cable that provides the shutoff should have that the leakproofness is good, simple to operate, simple structure's characteristics. Technical scheme is: a shutoff in cable channel, includes annular flexible seal element, sets up at the clamping ring at flexible seal element both ends respectively, is connected two clamping rings as an organic whole with flexible seal element and can presss from both sides and sticis a plurality of connecting pieces of ring in order to force the flexible seal element deformation, its characterized in that: the last system of flexible seal element has the toroidal cavity who extends on the circumferencial direction.

Description

Closure in a kind of cable channel

Technical field

This utility model is related to field of cables, closure in specifically a kind of cable channel.

Background technology

In cable channel, closure is a kind of sealing device being arranged in cable channel, has structure simple, easy for installation Feature.But in existing cable, closure mostly is rubber structure, there is untight defect of fitting with cable outer wall, have impact on Sealing effect and reduce the service life of cable, is further improved.

Utility model content

The purpose of this utility model is to overcome the shortcomings of in above-mentioned background technology, provides closure, this cable in a kind of cable Interior closure should have good airproof performance, easy for installation, the simple feature of structure.

The technical solution of the utility model is：

Closure in a kind of cable channel, includes annular flexible seals, is separately positioned on the pressure at flexible seals two ends Ring, two pressure rings and flexible seals are connected as one and can clamp pressure ring with force flexible seals deformation some connections Part；It is characterized in that：The toroidal cavity extending in a circumferential direction is formed with described flexible seals.

Described flexible seals include inner seal ring and are set in the outer seal ring outside inner seal ring；Described interior sealing The outer circumference surface of ring is formed with the interior annular groove extending in a circumferential direction, and the inner peripheral surface of outer seal ring is formed with circumferencial direction The annular external groove of upper extension, inner groovy and external groove mutually fasten the described cavity of formation.

All it is formed with opening on described inner seal ring and outer seal ring.

The two ends of described outer seal ring are formed with the flange wrapping inner seal ring end face.

Each pressure ring described is a pair arc tabletting by connector mutually locking.

Described connector is to pass through two pressure rings and the bolt of flexible seals and the nut for fitted bolt.

The beneficial effects of the utility model are：

It is provided with cavity, two side walls of cavity will when flexible seals are pressurized in flexible seals of the present utility model Bulge and be tightly fitted on inner-walls of duct and cable outer wall, especially inner seal ring can be significantly toward conduit axis side To expansion (expansion distance increase than existing product 2-3 times), thus reliably card nips cable and realizes effectively blocking it is ensured that good Good sealing effectiveness；Meanwhile, of the present utility model relatively simple for structure, installation is convenient to.

Brief description

Fig. 1 is perspective view of the present utility model.

Fig. 2 is overlooking the structure diagram of the present utility model.

Fig. 3 is the A-A of Fig. 2 to cross section structure diagram.

Fig. 4 is the overlooking the structure diagram of flexible seals of the present utility model.

Fig. 5 is the B-B direction cross section structure diagram of Fig. 4.

Fig. 6 is explosive view of the present utility model.

Specific embodiment

Below in conjunction with Figure of description, the utility model is described in further detail, but this utility model be not limited to Lower embodiment.

Closure in cable channel as shown in Figure 1, including the flexible seals of annular, two pressure rings 1 and some connections Part 2.Described two pressure rings are separately positioned on flexible seals two ends, and connector will be pressed after passing through two pressure rings and flexible seals Ring is connected as one with flexible seals.Described connector is bolts and nuts.

Each pressure ring described includes a pair of arc tabletting, and each tabletting is all formed with the installing hole that some confession connectors intert 11；As shown in fig. 6, arranging three installing holes on each tabletting, these three installing holes are located at middle part and the both sides of tabletting respectively End；The end of two tablettings of juxtaposition simultaneously makes two installing holes of end position coincide with the upper and lower, then connector is inserted This two tablettings are locked so that it may tabletting is assembled into pressure ring in installing hole.

Described flexible seals include inner seal ring 3 and outer seal ring 4；Described inner seal ring 3 is coaxially set with outer seal ring Put and outer seal ring is set in the outside of inner seal ring；The outer circumference surface of described inner seal ring is formed with and extends in a circumferential direction Interior annular groove；The inner peripheral surface of described outer seal ring is formed with the annular external groove extending in a circumferential direction, and close outward The two ends of seal ring are formed with the flange 41 stretching toward center；Also it is formed with described inner seal ring and outer seal ring and be easy to be set on cable The through hole that upper shed C and some confession connectors intert, described opening prolongs on the generatrix direction of inner seal ring or outer seal ring Stretch.

When inner seal ring is set-located with outer seal ring, the flange of outer seal ring wraps two end faces of inner seal ring Inner seal ring is embedded in the inner peripheral surface of outer seal ring, and inner groovy mutually fastens formation one in flexibility with external groove On sealing member circumferencial direction extend toroidal cavity 5, this cavity can make flexible seals when pressurized its inside and outside circle side face all to Bloat outward.

Described tabletting is made up of nylon, and described inner seal ring and outer seal ring are made up of rubber.

Installation method of the present utility model is as follows：

First by flexible seals and pressing plate encapsulation on cable, then pass through connector by flexible seals with pressing plate even Connect fixation, and flexible seals and pressing plate are integrally pushed in pipeline, more gradually tighten the nut of connector so that pressure ring is continuous Ground clamping flexible seals, flexible seals deform upon under pressure, and the inner peripheral surface of flexible seals is adjacent in electricity Cable outer wall, the outer circumference surface of flexible seals is adjacent in inner-walls of duct, thus forming sealing inside and outside pipeline.

Claims

1. closure in a kind of cable, the pressure ring (1) including the flexible seals of annular, being separately positioned on flexible seals two ends, Two pressure rings and flexible seals are connected as one and pressure ring can be clamped to force some connectors of flexible seals deformation (2)；It is characterized in that：The toroidal cavity (5) extending in a circumferential direction is formed with described flexible seals.

2. in a kind of cable according to claim 1 closure it is characterised in that：Described flexible seals include inner seal ring And be set in the outer seal ring (4) outside inner seal ring (3)；The outer circumference surface of described inner seal ring is formed with a circumferential direction The interior annular groove (31) extending, the inner peripheral surface of outer seal ring is formed with the annular external groove extending in a circumferential direction, indent Groove and external groove mutually fasten the described cavity of formation.

3. in a kind of cable according to claim 2 closure it is characterised in that：Described inner seal ring is equal with outer seal ring It is formed with opening.

4. in a kind of cable according to claim 3 closure it is characterised in that：The two ends of described outer seal ring are formed with parcel Live the flange of inner seal ring end face.

5. in a kind of cable according to claim 4 closure it is characterised in that：Each pressure ring described is to pass through for a pair to connect The arc tabletting of part mutually locking.

6. in a kind of cable according to claim 5 closure it is characterised in that：Described connector be pass through two pressure rings with The bolt of flexible seals and the nut for fitted bolt.