CN206112391U - Environment -friendly is breathed out husband and is saved seal cover - Google Patents

Abstract

The utility model discloses an environment -friendly is breathed out husband and is saved seal cover, the seal cover includes two sealed gum cover halfbodies, sealed gum cover halfbody is including half arc seal strip that lies in both ends and the sealed strake that lies in both sides, the cover body that is the arc surface between half arc seal strip and the sealed strake, latticed rib has been arranged on the outer wall of the cover body, half arc seal strip, the cover body and the direct attached cooperation of the outer pipe wall of being said by coated pipe, so directly live damaged position on the pipeline with the shutoff, do not allow outside the rivers exit tube in the pipeline, no longer have outside the seal cover halfbody this moment in the ha fujie inner chamber leaves the space of piling up water, also do not pile up the water reflux that multiplies the bacterium and pollute water if the pipeline stops defeated decompression, reduce and even seeper phenomena is retained in the chamber of containing of eliminating ha fujie.

Description

Environment-friendly type pipeline leakage plugging device sealing shroud

Technical field

The utility model is related to the Hafu-type snap joint of pipeline, and especially the Hafu-type of water supply pipe quickly connects Head.

Background technology

It is well known that conveying running 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 of two semicircles 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 semicircle composition surface is tightened up Seal 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 Inner walls as conveying people's lives drinking water are it is necessary to have isolation iron 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.

Utility model content

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, the utility model employs technical scheme below, environment-friendly type pipeline leakage plugging device sealing shroud, sealing Set includes two seal rubber sleeve halfbodies, and seal rubber sleeve halfbody includes being located at the semi arch sealing strip at two ends and the sealing positioned at both sides Edge strip, is the body of arc surface between semi arch sealing strip and sealing edge strip, and latticed rib is disposed with the outer wall of body, The outer peripheral face in the excessively axial section of described semi arch sealing strip is in the little transition bench of the big sealing strip of stage casing diameter, both sides diameter Rank, two ends to the rib that semi arch sealing strip extends is connected with transition shoulder, semi arch sealing strip, body be wrapped by pipeline Outer tube wall directly attaches cooperation.

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 being pressed 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 Polluted water.

Description of the drawings

Fig. 1,2 be prior art structural representation；

Fig. 3 is dimensional structure diagram of the present utility model；

Fig. 4 is front view of the present utility model；

Fig. 5,6 are A-A, B-B sectional views in Fig. 4；

Fig. 7 is the partial enlarged drawing in Fig. 5；

Fig. 8,9 use states of the present utility model are with reference to figure.

Specific embodiment

With reference to Fig. 3, sealing shroud includes two seal rubber sleeve halfbodies 10, and seal rubber sleeve halfbody 10 includes being located at the semicircle at two ends Arc sealing strip 11 and the sealing edge strip 12 positioned at both sides, are the body of arc surface between semi arch sealing strip 11 and sealing edge strip 12 13, be disposed with latticed rib 14 on the outer wall of body 13, the excessively axial section of described semi arch sealing strip 11 it is outer Sealing strip 111, the transition shoulder 112 of both sides minor diameter of the side face in stage casing major diameter, two ends to semi arch sealing strip 11 extends Rib 14 be connected with transition shoulder 112, semi arch sealing strip 11, body 13 are directly attached with the outer tube wall for being wrapped by pipeline 1 Coordinate.

The two ends of rib 14 should not be directly connected to the sealing strip 111 of the stage casing major diameter of semi arch sealing strip 11, both Between leave appropriate spacing, for arranging inner transition step 112, the purpose of so setting is to avoid rib to this distance therebetween Deformation force is delivered on semi arch sealing strip 11 by transition shoulder 112 during 14 stress deformation, it is ensured that semi arch sealing strip 11 Radial force is uniform, realizes reliable sealing.

With reference to Fig. 8,9 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 ponding 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.Latticed rib 14 is disposed with the outer wall of body 13, by rib 14 support in Supporting role on the inwall of pipeline leakage plugging device halfbody 20, it is ensured that body 13 is coated on pipeline 1.

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 Gum cover 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 Close effect.

With reference to Fig. 3,5,7, described rib 14 includes axial ribs 141, circumferential rib 142, and axial ribs 141 are circumferentially Range interval is arranged, is outside gentle slope, inner side abrupt slope positioned at the section of the axial ribs 141 of the Central Symmetry face both sides of body 13 Shape.So-called outside gentle slope, the shape on inner side abrupt slope, can referring also to Fig. 5,7, the axial ribs 141 in centre position Section exterior contour is half elliptic, and the summit for being located at the axial ribs 141 of symmetrical centre both sides reaches along two side slopes and covers The length of grade on the surface of body 13 is that inner side is short, outside is long, is stated using the method for geometry, and inner side edge 1411 is relative with the intersection of body 13 It is α in the tangent line of the outer surface of body 13 and the angle of inner side edge 1411, outer side edges 1412 are with the intersection of body 13 relative to body The tangent line of 13 outer surfaces is β with the angle of outer side edges 1412, and angle α is more than angle β.Using above-mentioned shape, it is ensured that breathing out When husband's section halfbody 20 is folded, the top of the axial ribs 141 of symmetrical centre both sides circumferentially deforms to the skew of both sides junction, becomes Shape after shape is then intended to half elliptic pressed shape, it is ensured that reliably support effect.

Described body 13 and the inwall of the junction of sealing edge strip 12 be smooth transition and be wrapped by the outer of pipeline Tube wall is concordantly attached, the smooth transition of inner surface in described body 13 and the junction face of semi arch sealing strip 11 and be wrapped by The outer tube wall of pipeline 1 is concordantly attached, and rib 14 is vertically on the outer wall of body 13, circumferential arranged crosswise or spiral be to arranged crosswise.

The place face arranged for interval of 14 range semicircle arc sealing strip of rib 11, is in other words exactly rib as shown in Fig. 3,4,6 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 keep away Deformation force is delivered on semi arch sealing strip 11 when exempting from 14 stress deformation of rib cause the local of semi arch sealing strip 11 to be subject to axle To the effect of power, it is ensured that the radial force of semi arch sealing strip 11 is uniform, reliable sealing is realized.

Claims (4)

1. a kind of environment-friendly type pipeline leakage plugging device sealing shroud, it is characterised in that：Sealing shroud includes two seal rubber sleeve halfbodies (10), sealing Gum cover halfbody (10) includes being located at the semi arch sealing strip (11) and the sealing edge strip (12) positioned at both sides at two ends, semi arch sealing It is the body (13) of arc surface between bar (11) and sealing edge strip (12), on the outer wall of body (13) latticed rib is disposed with (14) outer peripheral face in the excessively axial section of, described semi arch sealing strip (11) in stage casing major diameter sealing strip (111), two The transition shoulder (112) of other minor diameter, rib (14) and transition shoulder (112) phase that two ends extend to semi arch sealing strip (11) Even, semi arch sealing strip (11), body (13) directly attach cooperation with the outer tube wall for being wrapped by pipeline (1).

2. environment-friendly type pipeline leakage plugging device sealing shroud according to claim 1, it is characterised in that：Described semi arch sealing strip (11) conjoined structure of edge strip (12), the body (13) of arc surface and rib (14) for integral type, rib (14) and Hough, are sealed The inwall of section supports cooperation, and body (13), the intrados of semi arch sealing strip (11) coincide with pipe diameter to be covered, body (13) two sides in axial length direction laterally flange shape extend constitute sealing edge strip (12), seal rubber sleeve halfbody (10) be wrapped by The outer tube wall of pipeline (1) directly attaches cooperation.

3. environment-friendly type pipeline leakage plugging device sealing shroud according to claim 1, it is characterised in that：Described rib (14) is including axle To rib (141), circumferential rib (142), axial ribs (141) circumferentially arrange by range interval, positioned at body (13) center pair The section of the axial ribs (141) of face both sides is called outside gentle slope, the shape on inner side abrupt slope.

4. environment-friendly type pipeline leakage plugging device sealing shroud according to claim 2, it is characterised in that：Described body (13) and sealing The inwall of the junction of edge strip (12) be smooth transition and it is concordant with the outer tube wall for being wrapped by pipeline attach, body (13) it is outer Rib (14) is vertically on wall, circumferential arranged crosswise or spiral be to arranged crosswise.