Seepage-proofing device for water supply and drainage pipe
Technical Field
The utility model relates to the technical field of seepage prevention of drain pipes, in particular to a seepage prevention device for a water supply and drain pipe.
Background
The water supply and drainage pipeline engineering is a pipe (channel) system engineering for conveying and distributing industrial water and domestic drinking water and collecting, conveying and discharging industrial wastewater, domestic sewage and rainwater. The pipeline mainly comprises a plastic drain pipe, a concrete pipe and a reinforced concrete pipe, and in pipeline construction, a plurality of pipelines are spliced together by adopting flanges to finish pipeline laying. But typically there is a seam between the flanges, so that the spliced pipes run the risk of leakage. The utility model discloses a for water supply and drainage pipe's anti-seepage device in publication number CN217843106U, through tightening up the threaded connection of cover and one of them solid fixed ring, can make two sections water supply and drainage pipe clamp at the both ends of connecting piece to fill the junction of water supply and drainage pipe and connecting piece through the deformation of sealed pad, improved the leakproofness of water supply and drainage pipe after the installation, have better antiseep performance. However, due to the adoption of threaded connection, dust-free soil at the joint is required to be ensured in construction, meanwhile, the tightening sleeve is required to be rotated in the installation process, and special tools are required for pipelines with larger diameters, so that the rotation and the fastening in the installation process are inconvenient.
Disclosure of utility model
In order to solve the defects, the utility model provides the seepage-proofing device for the water supply and drainage pipe, which is used for sealing the joint of the pipeline, avoiding leakage and is convenient to install without special tools.
In order to achieve the above purpose, the technical scheme provided by the utility model is that the anti-seepage device for the water supply and drainage pipe comprises a first pipe body, a second pipe body and an anti-seepage sleeve, wherein the anti-seepage sleeve is sleeved at one ends of the first pipe body and the second pipe body, the anti-seepage sleeve comprises a cylinder body, two sides of the outer surface of the cylinder body are provided with inclined planes, the middle part inside the cylinder body is provided with a sealing gasket, two sides inside the cylinder body are also respectively provided with a first mounting groove and a second mounting groove, the surface of the first pipe body is fixedly connected with a first limiting ring, the surface of the second pipe body is fixedly connected with a second limiting ring, the surface of the first pipe body is sleeved with a first pressing sleeve, the surface of the second pipe body is sleeved with a second pressing sleeve, and a fastening bolt is arranged between the first pressing sleeve and the second pressing sleeve.
Further, the middle parts of the first pressing sleeve and the second pressing sleeve are arranged to be curved surfaces attached to the surface of the inclined plane.
Further, the cylinder body is made of rubber, the sealing gasket and the cylinder body are of an integrated structure, a first sealing ring is arranged in the first mounting groove, and a second sealing ring is arranged in the second mounting groove.
Further, the surface of first body and second body is provided with the mounting groove with first spacing ring, second spacing ring adaptation, first spacing ring and second spacing ring's structure is the same, first spacing ring includes first semicircle ring and second semicircle ring, one side of first semicircle ring and second semicircle ring is provided with the mounting hole, be provided with the mounting screw in the mounting hole.
Further, one end of the first pipe body and one end of the second pipe body are provided with mounting grooves matched with the sealing gaskets.
By adopting the technical scheme, the utility model has the beneficial effects that: according to the anti-seepage device for the water supply and drainage pipe, the anti-seepage sleeve is arranged at the joint of the pipeline, the joint of the pipeline is sealed in the first layer by the sealing gasket on the anti-seepage sleeve, and the surface of the pipeline is sealed in the second layer by the first sealing ring and the second sealing ring in the anti-seepage sleeve, so that the sealing effect is improved, and meanwhile, the use of the limiting ring and the pressing sleeve is matched, so that the pressure of the pipeline to the sealing gasket is improved on one hand, the inner wall of the anti-seepage sleeve is tightly attached to the surface of the pipeline on the other hand, and the sealing persistence is ensured; the other two pressing sleeves are fixed by fastening bolts, so that the existing tool operation is convenient to use, and the convenience of installation is improved.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
FIG. 4 is a schematic view of the construction of the impermeable sleeve of the present utility model;
fig. 5 is a schematic structural view of a first stop collar according to the present utility model.
In the figure: 1-first pipe body, 2-second pipe body, 3-impervious sleeve, 31-barrel, 32-inclined plane, 33-sealing gasket, 34-first mounting groove, 35-second mounting groove, 4-first sealing ring, 5-second sealing ring, 6-first spacing ring, 61-first semicircle ring, 62-second semicircle ring, 63-mounting screw, 7-second spacing ring, 8-first pressing sleeve, 9-second pressing sleeve and 10-fastening bolt.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Embodiment one: referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a for water supply and drainage pipe anti-seepage device, including first body 1, second body 2 and anti-seepage cover 3, anti-seepage cover 3 cover is established in the one end of first body 1 and second body 2, namely the junction of first body 1 and second body 2, anti-seepage cover 3 includes barrel 31, the internal diameter of barrel 31 is the same with the external diameter of first body 1, second body 2, the both sides of barrel 31 surface set up to inclined plane 32, the inside middle part of barrel 31 is provided with sealing gasket 33, the both sides of barrel 31 inside still are provided with first mounting groove 34 and second mounting groove 35 respectively, barrel 31 adopts the rubber material, sealing gasket 33 and barrel 31 are integrated into one piece structure, the one end of first body 1 and second body 2 is provided with the mounting groove with sealing gasket 33 adaptation, area of contact between body and sealing gasket 33 has been increased through the mounting groove, wherein the sum of the distance between two mounting groove and the terminal surface is less than sealing gasket 33's thickness, as shown in FIG. 3, it has pressure to have been guaranteed to exist between two pipelines and sealing gasket 33 after the installation, improve the sealing performance.
The first sealing ring 4 is arranged in the first mounting groove 34, the second sealing ring 5 is arranged in the second mounting groove 35, and the sealing performance between the cylinder 31 and the pipeline is improved through the first sealing ring 4 and the second sealing ring 5, so that the anti-leakage effect is further improved.
The fixed surface of first body 1 is connected with first spacing ring 6, and the fixed surface of second body 2 is connected with second spacing ring 7, and the surface of first body 1 and second body 2 is provided with the mounting groove with first spacing ring 6, the 7 adaptation of second spacing ring, has improved the stability of first spacing ring 6 and the installation of second spacing ring 7 through the mounting groove, has avoided the spacing ring to remove along the axial direction of body.
The first limiting ring 6 and the second limiting ring 7 are identical in structure, the first limiting ring 6 comprises a first semicircular ring 61 and a second semicircular ring 62, one sides of the first semicircular ring 61 and the second semicircular ring 62 are provided with mounting holes, and mounting screws 63 are arranged in the mounting holes.
The surface cover of first body 1 is equipped with first pressure cover 8, and the surface cover of second body 2 is equipped with second pressure cover 9, is provided with fastening bolt 10 between first pressure cover 8 and the second pressure cover 9. The middle parts of the first pressing sleeve 8 and the second pressing sleeve 9 are arranged to be curved surfaces which are attached to the surfaces of the inclined planes 32, as shown in fig. 1, the inner diameters of one ends of the first pressing sleeve 8 and the second pressing sleeve 9 are smaller than the outer diameters of the limiting rings, so that the two pipe bodies can be tightly attached through the limiting rings when the first pressing sleeve 8 and the second pressing sleeve 9 are installed, the sealing gasket 33 is deformed, and the tightness is ensured;
Meanwhile, the curved surface on the pressing sleeve is used for pressing the inclined surface 32 of the anti-seepage sleeve 3, and the tightness between the anti-seepage sleeve 3 and the pipe body is improved through the deformation of the cylinder 31 and the sealing ring, so that the anti-seepage sleeve has good anti-seepage performance.
During installation, the first pressing sleeve 8 is sleeved on the surface of the first pipe body 1, the second pressing sleeve 9 is sleeved on the surface of the second pipe body 2, then the first limiting ring 6 and the second limiting ring 7 are installed at the installation groove positions of the first pipe body 1 and the second pipe body 2, the first sealing ring 4 is installed in the first installation groove 34, the second sealing ring 5 is installed in the second installation groove 35, one ends of the first pipe body 1 and the second pipe body 2 are inserted into the anti-seepage sleeve 3, the end surfaces of the pipe bodies are in contact with the sealing gasket 33, the first pressing sleeve 8 and the second pressing sleeve 9 are moved, and the fastening bolts 10 are installed in the installation hole positions of the first pressing sleeve 8 and the second pressing sleeve 9, so that installation is completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The above description is only of a preferred embodiment of the present utility model of the fixed, mounting prior art type, and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.