Environment-friendly type pipeline leakage plugging device sealing shroud
This utility model is related to the Hafu-type snap joint of pipeline, and especially the Hafu-type of water supply pipe quickly connects
It is well known that conveying tap water main conduit has cast iron pipe, pipe of cement, wherein ductile iron pipe is most long sees, big portion
Subtube is laid in underground, and these pipelines often occur breakage, fracture, seepage due to a variety of causes Jing.Kazakhstan of the prior art
Husband's formula snap joint, constitutes a product, using the Hough in Liang Geban gardens during repairing by two foundry goods, one group of rubber parts and bolt
Formula snap joint, will be included in the interior storehouse of pipeline leakage plugging device at piping failure, and using bolt the rubber on Hough Ban Yuan composition surfaces is tightened up
Sealing member is to sealing seepage.Employment is few, the set-up time is short, speed is fast, easy to use by originally due to rushing to repair for this method
Water industry is approved and vast general is used in pipe first-aid.
In order to ensure water safety, the water supply pipe inwall as conveying people's lives drinking water is it is necessary to have isolation ferrum
The coating contacted with water, this coating meets sanitary standard.Accompanying drawing 1,2 is pipeline leakage plugging device use state in prior art.Breathe out
The outer walls that husband's section 2 has encased pipeline 1, control and leak into the water of pipeline outer wall and be deposited in the inwall of pipeline leakage plugging device 2 with the outer wall of pipeline 1
In chamber.Because the outer wall of pipeline 1 is coarse and has certain error, deform after the breakage of pipeline 1 or fracture, so in pipeline leakage plugging device
Chamber must leave certain space, and pipeline leakage plugging device two ends sealing ring 3 and both sides rubber weather strip 4 can only be allowed to tighten by bolt 6 and seal
Firmly seepage, the two ends sealing ring 3 and both sides rubber weather strip 4 in figure is the frame loop-shaped of integrative-structure.Although now completing pipe
Road repairing work, says that it only controls stream and no longer flows out pipeline leakage plugging device to the water outside pipeline on stricti jurise.Now exist
Accumulation water 5 is left in pipeline leakage plugging device inner chamber.This accumulates in the case that water 5 has pressure inside pipeline 1 cannot flow, actually
Become a chamber stagnant water, because the outer tube wall of pipeline 1 does not have health coating, the inwall of pipeline leakage plugging device 2 does not have health coating yet, in staying in inner chamber
The Long Term Contact corrosion of metal of accumulation water 5 and breed bacteria, if pipeline 1 is damaged elsewhere or maintenance stopping transportation and decompression, by
Connect with inside pipeline in damaged pipeline leakage plugging device inner chamber, the accumulation water 5 now stayed in pipeline leakage plugging device inner chamber can flow back to pipeline 1
Internal and polluted water.
The content of the invention
The purpose of this utility model is to provide a kind of environment-friendly type pipeline leakage plugging device sealing shroud, reduces or even eliminate the bag of pipeline leakage plugging device
Cavity volume retains seeping phenomenon.
For achieving the above object, this utility model employs technical scheme below, environment-friendly type pipeline leakage plugging device sealing shroud, its spy
Levy and be：Sealing shroud includes two seal rubber sleeve halfbodies, and seal rubber sleeve halfbody includes being located at semi arch sealing strip and the position at two ends
It is the body of arc surface between the sealing edge strip of both sides, semi arch sealing strip and sealing edge strip, is disposed with the outer wall of body
Latticed rib, semi arch sealing strip, body directly attach cooperation with the outer tube wall for being wrapped by pipeline.
Above-mentioned sealing shroud is made up of two halfbodies, and they use cooperatively respectively with two halfbodies of pipeline leakage plugging device and go along with sb. to guard him and constrain
On the pipeline around breakage on pipeline, damaged part is blocked.Due to body it is direct with the outer tube wall for being wrapped by pipeline
Attach and coordinate, when being embodied as, body is further pressed on the outer tube wall for being wrapped by pipeline by low pressure in pipeline leakage plugging device on rib,
Damaged part on pipeline thus will be directly blocked, it is now close in pipeline leakage plugging device inner chamber outside the current outlet pipe not allowed in pipeline
Big envelope partly there is no longer in vitro leave accumulate water space, if pipeline shutdown decompression do not accumulate yet breed bacteria water backflow and
Description of the drawings
Fig. 1,2 be prior art structural representation；
Fig. 3,5 are dimensional structure diagrams of the present utility model；Fig. 4 is the side view of the present invention；
Fig. 6,7 are use states of the present utility model with reference to figure.
With reference to Fig. 3,4, environment-friendly type pipeline leakage plugging device includes two seal rubber sleeve halfbodies 10 with sealing shroud, and seal rubber sleeve halfbody 10 wraps
Include the semi arch sealing strip 11 positioned at two ends and the sealing edge strip 12 positioned at both sides, semi arch sealing strip 11 and sealing edge strip 12 it
Between for arc surface body 13, be disposed with latticed rib 14 on the outer wall of body 13, semi arch sealing strip 11, body 13 with
The outer tube wall for being wrapped by pipeline directly attaches cooperation.
With reference to Fig. 6,7 use state, body 13 directly attaches cooperation with the outer tube wall for being wrapped by pipeline 1 after assembling, this
Sample, even if completely not sealing the breach on tube wall, also there is no concern that pipe just by damaged part on pipeline 1 to directly sealing
The water body rotten on a small quantity for having hydrops space outside road and being formed, institute would not also have rotten water body to flow back to pipe during decompression in pipeline
The phenomenon of body, it is ensured that with the safety of water.
Preferably, described semi arch sealing strip 11, the body 13 of sealing edge strip 12, arc surface and rib 14 are
The conjoined structure of integral type, the inwall of rib 14 and pipeline leakage plugging device supports cooperations, body 13, the intrados of semi arch sealing strip 11 and
Pipe diameter to be covered coincide, and laterally flange shape extends composition sealing edge strip 12, sealing for two sides in the axial length direction of body 13
Set halfbody 10 directly attaches cooperation with the outer tube wall for being wrapped by pipeline.
As a result of integral structure, it is ensured that sealing shroud be wrapped by the outer tube wall of pipeline directly against attached close
With reference to Fig. 3,4,5, described body 13 and the inwall of the junction of sealing edge strip 12 be smooth transition and with quilt
The outer tube wall of Clad pipe is concordantly attached, the smooth mistake of inner surface in described body 13 and the junction face of semi arch sealing strip 11
Cross and it is concordant with the outer tube wall for being wrapped by pipeline 1 attach, on the outer wall of body 13 rib 14 vertically, circumferential arranged crosswise or spiral
To arranged crosswise.
Body 13 is connected with the smoothly transition in sealing edge strip 12, the junction face of semi arch sealing strip 11, it is ensured that in pipe
Damaged part on road still ensures that outside the tube wall at new damaged part to be not in hydrops chamber when having expansion, i.e., thorough
Bottom eliminates and have metamorphic water to flow back in pipeline outside pipeline.The arranged crosswise of rib 14 is into latticed, it is ensured that body 13 is subject to everywhere
It is uniform to support pressure effect, it is ensured that the degree of being close to of body 13 and pipeline 1.
The place face arranged for interval of 14 range semicircle arc sealing strip of rib 11, as shown in figure 4, being in other words exactly rib 14
Two ends should not be directly connected to semi arch sealing strip 11, and appropriate spacing is left between the two, and the purpose for so arranging is to avoid muscle
Deformation force is delivered on semi arch sealing strip 11 during 14 stress deformation of bar cause the local of semi arch sealing strip 11 to be subject to axial force
Effect, it is ensured that the radial force of semi arch sealing strip 11 is uniform, realizes reliable sealing.
As shown in Figure 4,5, tube head 15 is set on body 13, and tube head 15 is extended in the discharge opeing tube head on pipeline leakage plugging device.With reference to
Fig. 6,7, discharge opeing tube head 21 is set in two pipeline leakage plugging device halfbodies 20,30 at least one tube wall, at the position of discharge opeing tube head 21
Body 13 on tube head 15 is set, tube head 15 extended in the tube chamber of discharge opeing tube head 21, arranges stifled on described discharge opeing tube head 21
40.This structure is to ensure there is the requirement that operation is needed in the environment of pressure in the pipeline 1, and being provided with discharge opeing path can be with
Liquid in pipeline is drawn while install pipeline leakage plugging device, after pipeline leakage plugging device is installed, load onto plug 40, the liquid in pipeline
Under pressure effect, tube head 15 is close to the inwall of discharge opeing tube head 21, is not in that liquid enters pipeline leakage plugging device halfbody 20,30 with sealing shroud half
The phenomenon in folder chamber between body 10.Structure shown in Fig. 3 is suitable to treat situation of the blocking pipe without pressure.