CN202719298U

CN202719298U - Pipeline sealing device

Info

Publication number: CN202719298U
Application number: CN 201220400592
Authority: CN
Inventors: 杜立新
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-14
Filing date: 2012-08-14
Publication date: 2013-02-06
Anticipated expiration: 2022-08-14

Abstract

The utility model provides a pipeline sealing device which is mainly formed by a sleeve, two solid semicircular plastic blocks, a front steel piece, a middle steel piece, a back steel piece and bolts. The solid semicircular plastic blocks are arranged inside the sleeve, front ends of the solid semicircular plastic blocks are connected with the front steel piece, back ends of the solid semicircular plastic blocks are connected with the middle steel piece, the bolts penetrate through the front steel piece, the middle steel piece, the back steel piece and the solid semicircular plastic blocks, the length of the bolts are larger than the length of the sleeve, two ends of each bolt are fixed through nuts, two to three bolts are arranged in each solid semicircular plastic block, the middles of the solid semicircular plastic blocks can be separated, and a material layer expanding in fire can be added. According to the pipeline sealing device, solid rubber blocks can replace rubber blocks with core layers capable of being peeled, rubber block specifications are determined according to pipeline specifications, errors in installation are avoided, sealing effects of modules are improved, and production cost is reduced; and the length of the bolts is increased, back ends of the rubber blocks are additionally provided with steel pieces fixed on the back portion of the sleeve through the bolts, and therefore the rubber blocks and the sleeve form an integrity and cannot fall off due to various pressure.

Description

Pipeline sealing device

Technical field

The utility model relates to a kind of pipeline sealing device, or rather, relates to a kind of solid plastic module conduits seal arrangement.

Background technique

Modular type seal for pipe joints material of the prior art, its technological scheme is Sweden roxtec module conduits sealing material, model is ROXTEC RS seal and ROXTEC RS PPS/S single-side seal, its structure comprises two semicircle block rubbers of peelable sandwich layer, the block rubber two ends are semicircle stainless steel sheets, and run through the stainless steel bolt with rib-loop of stainless steel sheets and block rubber, in addition, the installation that this material is finished sealing also needs the sleeve pipe that matches with it.Its installation procedure and working principle are: 1: welding socket, and the pipeline that will seal is put into pipe box; 2: peel block rubber off unnecessary sandwich layer to cooperate the pipeline of different size diameter; 3: two block rubbers that strip sandwich layer are put into pipe box (two semicircles wrap up whole circular pipe); 4: tight a bolt, two steel discs step up before and after making, and rubber is soon to expanding to play the effect of sealing all around.

Prior art scheme block rubber adopts peelable sandwich layer technology, this fixes format diameter, and the pipeline that finished product accuracy is high is very loaded down with trivial details, and (pipeline regular size diameter is millimeter 40,50,63,75,80,100,110), and peel off sandwich layer what often because on-the-spot conditions of manufacture and operator's technology do not pass a test and produce error, make the product after the installation can not reach technical requirements, peelable sandwich layer cost of production is high in addition; In use, can produce relative sliding because of long external pressure between its peelable sandwich layer, thereby make product can not satisfy the seal request of long-time or relatively high pressure; Owing to this technology be by block rubber through bolt and between the steel disc of block rubber two ends tighten make block rubber be subject to before and after extruding make its distortion and because thereby the effect of pipe box reaches the effect of sealing, but block rubber obscission from pipe box often appears in rundown process, and in use, external pressure can make equally block rubber skid off from pipe box and come off for a long time.

The model utility content

The utility model provides a kind of pipeline sealing device, solved the prior art cost high, easily come off, defective that sealing effect is poor.

The utility model provides a kind of pipeline sealing device, mainly formed by sleeve pipe, two solid semicircle unit of plastics, front steel disc, middle steel disc, rear steel disc and bolts, solid semicircle unit of plastic places sleeve pipe, steel disc before front end connects, steel disc during the rear end connects, the front steel disc of bolt-through, middle steel disc, rear steel disc and solid semicircle unit of plastic, bolt length is greater than casing length, and two ends are fixed by nut.

Preferred scheme is in every of the solid semicircle unit of plastic 2-3 bolts to be arranged.

Preferred scheme is that solid semicircle unit of plastic intermediate portion can separate, and can add to meet fiery intumescent material.

The utility model replaces peelable sandwich layer block rubber with real core block rubber, by pipeline specifications regulation block rubber specification, the error when avoiding installing, the sealing effect of increase module, Decrease production cost; Increase the length of bolt, and increase a slice steel disc in the block rubber rear end, make it be fixed on the pipe box back by bolt, purpose is to make block rubber become as a whole with pipe box, can not come off because of various pressure.

Description of drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is Facad structure schematic diagram of the present utility model;

Fig. 3 is structure schematic diagram of the present utility model.

Embodiment

Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail, but this embodiment and be not used in and limit protection domain of the present utility model.

Embodiment 1:

The utility model provides a kind of pipeline sealing device, mainly by sleeve pipe, two solid semicircle unit of plastics 1, front steel disc 2, middle steel disc 3, rear steel disc 4 and bolt 5 form, solid semicircle unit of plastic 1 places sleeve pipe, steel disc 2 before front end connects, steel disc 3 during the rear end connects, bolt 5 runs through front steel disc 2, middle steel disc 3, rear steel disc 4 and solid semicircle unit of plastic 1, bolt 5 length are greater than casing length, two ends are fixing by nut 6, in every of the solid semicircle unit of plastic 2-3 bolts 5 is arranged, solid semicircle unit of plastic 1 intermediate portion can separate, and can add to meet fiery intumescent material 7.

Installation process of the present utility model is, first sleeve pipe is welded and fixed, and will put into by closed conduit; Select the solid semicircle unit of plastic 1 of respective model; And two 1 in solid semicircle plastics are put into sleeve pipe; In the sleeve pipe back bolt 5 is inserted rear steel disc 4, nut 6 is screwed on; Screw bolt from the front, block rubber 1 is compressed reach requirement, screw from behind nut 6, block rubber 1 is solidified fully.

Above content be in conjunction with structure of the present utility model and working procedure to its further description of doing, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims

1. pipeline sealing device, mainly formed by sleeve pipe, two solid semicircle unit of plastics, front steel disc, middle steel disc, rear steel disc and bolts, it is characterized in that: solid semicircle unit of plastic places sleeve pipe, steel disc before front end connects, steel disc during the rear end connects, the front steel disc of bolt-through, middle steel disc, rear steel disc and solid semicircle unit of plastic, bolt length is greater than casing length, and two ends are fixed by nut.

2. pipeline sealing device according to claim 1 is characterized in that: in every of the described solid semicircle unit of plastic 2-3 bolts is arranged.

3. pipeline sealing device according to claim 1 and 2, it is characterized in that: described solid semicircle unit of plastic intermediate portion can separate, and can add to meet fiery intumescent material.