Anti-seepage device for water supply and drainage pipe in constructional engineering

Abstract

The utility model discloses a constructional engineering water supply and drainage pipe anti-seepage device, and relates to the technical field of constructional engineering water supply and drainage pipe equipment, the technical scheme is that the constructional engineering water supply and drainage pipe anti-seepage device comprises two semicircular housings, connecting parts are arranged at the two ends of the two semicircular housings, and the two corresponding connecting parts are fixedly connected through matching of second bolts and second nuts; the two semicircular housings are connected with each other to form an annular housing, and the annular housing is sleeved on two pipelines which are connected with each other. The pipeline cleaning device has the beneficial effects that the rectangular block is driven to move towards the circle center direction of the pipeline by rotating the screw rod, and the end part of the sleeve is covered with the rubber cover; sealant is applied to the seam between the semicircular cover shell and the pipeline, so that the first bolt and the first nut are effectively prevented from being rusted, aging of the sealing washer is delayed, installation is easy and fast, and the using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of water supply and drainage pipe equipment for construction projects, in particular to an anti-seepage device for water supply and drainage pipes for construction projects. Background Art

[0002] In the construction of building projects, adjacent water supply and drainage pipes are mostly fixedly connected by the cooperation of flanges and bolts. However, if the flange connection is used alone, the sealing of the connection will inevitably be affected by aging, corrosion, rust and other reasons in the later stage, causing leakage at the connection. Therefore, it is necessary to design an anti-seepage device for water supply and drainage pipes in building projects. Utility Model Content

[0003] In order to achieve the above-mentioned purpose of the utility model and to solve the above-mentioned technical problems, the utility model provides an anti-seepage device for water supply and drainage pipes in construction projects, and its technical solution is as follows: it comprises two semicircular cover shells, both ends of the two semicircular cover shells are provided with connecting parts, and the two corresponding connecting parts are fixedly connected by the cooperation of a second bolt and a second nut, the two semicircular cover shells are connected to each other to form an annular cover shell, the annular cover shell is sleeved on two interconnected pipes, the connecting section of the pipes is fixedly connected with a flange, a sealing gasket is provided between the two flanges, the two flanges are fixedly connected by the cooperation of a plurality of first bolts and a first nut, a plurality of screws are threadedly connected to the outer wall of the annular cover shell, one end of the screw penetrates the outer wall of the annular cover shell and is rotatably connected with a U-shaped block, and the edges of the two flanges are both located on the inner side of the U-shaped block.

[0004] Preferably, the inner side wall of the U-shaped block is symmetrically provided with two first arc surfaces, and the outer wall edge of the flange is provided with an annular arc surface, the slope of the annular arc surface is the same as the slope of the first arc surface, and the first arc surface fits with the corresponding annular arc surface.

[0005] Preferably, one end of the screw rod located outside the semicircular cover is fixedly connected to a rectangular block.

[0006] Preferably, a sleeve is fixedly connected to the outer wall of the semicircular cover at a position corresponding to the screw rod, the screw rod is located in the corresponding sleeve, and a rubber cover is installed at the opening of the sleeve.

[0007] Preferably, the first bolts and the U-shaped blocks are distributed in a circle with the pipeline as the center, and the first bolts and the U-shaped blocks are distributed at intervals.

[0008] The beneficial effect of the technical solution provided by the embodiment of the utility model is as follows: when the utility model is in use, the two semicircular cover shells are sleeved on the outer sides of the two flanges, and the two semicircular cover shells are fixed by the cooperation of the first bolt and the second nut that penetrate the connecting part, and then the rectangular block is driven to move toward the center of the pipe by rotating the screw rod, and a rubber cover is covered on the end of the sleeve, and sealant is applied on the joint between the semicircular cover shell and the pipe, so as to effectively prevent water vapor from invading the annular cover shell composed of the two semicircular cover shells, so as to effectively avoid rusting of the first bolt and the first nut, and delay the aging of the sealing gasket, the installation is simple and fast, and the use effect is good. In the utility model, when the U-shaped block is pushed to move toward the axial direction of the pipe by the screw rod, the cooperation of the first arc surface and the second arc surface can play a good guiding role, so that the two flanges are brought closer to each other, so as to further improve the stability of the connection between the two flanges, so that after the first bolt and the first nut are rusted and loosened, the sealing between the two flanges can still be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The present invention is a structural schematic diagram of an anti-seepage device for water supply and drainage pipes in a construction project.

[0010] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0011] Figure 3 The figure is a schematic diagram of the distribution structure of U-shaped blocks in an anti-seepage device for water supply and drainage pipes in a construction project.

[0012] Among them, the figure markings are, 1, pipeline; 2, flange; 3, sealing gasket; 4, first bolt; 5, first nut; 6, semicircular cover; 7, connecting part; 8, second bolt; 9, second nut; 10, screw; 11, rectangular block; 12, U-shaped block; 13, first arc surface; 14, annular arc surface; 15, sleeve; 16, rubber cover. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. Of course, the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0014] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0015] In the description of the invention of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the invention of the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention of the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of the present utility model, unless otherwise specified, "multiple" means two or more.

[0016] In the description of the invention of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention of the utility model can be understood according to specific circumstances.

[0017] Example 1

[0018] See also Figures 1 to 3 The utility model provides an anti-seepage device for water supply and drainage pipes in construction projects, comprising two semicircular cover shells 6, both ends of the two semicircular cover shells 6 are provided with connecting parts 7, and the two corresponding connecting parts 7 are fixedly connected by the cooperation of second bolts 8 and second nuts 9, the two semicircular cover shells 6 are connected to each other to form an annular cover shell, the annular cover shell is sleeved on two interconnected pipes 1, the connecting section of the pipe 1 is fixedly connected with a flange 2, a sealing gasket 3 is provided between the two flanges 2, the two flanges 2 are fixedly connected by the cooperation of a plurality of first bolts 4 and a first nut 5, a plurality of screws 10 are threadedly connected on the outer wall of the annular cover shell, one end of the screw 10 penetrates the outer wall of the annular cover shell and is rotatably connected with a U-shaped block 12, and the edges of the two flanges 2 are both located on the inner side of the U-shaped block 12.

[0019] The inner wall of the U-shaped block 12 is symmetrically provided with two first arc surfaces 13 , and the outer wall edge of the flange 2 is provided with an annular arc surface 14 , the slope of the annular arc surface 14 is the same as the slope of the first arc surface 13 , and the first arc surface 13 fits with the corresponding annular arc surface 14 .

[0020] When the U-shaped block 12 is pushed toward the axial direction of the pipe 1 by the screw 10, the cooperation between the first arc surface 13 and the second arc surface 14 can play a good guiding role, so that the two flanges 12 are brought closer to each other, so as to further improve the stability of the connection between the two flanges 2.

[0021] One end of the screw rod 10 outside the semicircular housing 6 is fixedly connected to a rectangular block 11 .

[0022] The arrangement of the rectangular block 11 makes it easy to operate the screw rod 10 with a sleeve-type tool.

[0023] A sleeve 15 is fixedly connected to the outer wall of the semicircular cover 6 at the corresponding position of the screw 10 . The screw 10 is located in the corresponding sleeve 15 . A rubber cover 16 is installed at the opening of the sleeve 15 .

[0024] By setting the sleeve 15 and the rubber cover 16, the threaded connection between the screw 10 and the semicircular cover 6 can be sealed to prevent water vapor from invading the annular cover from the connection between the screw 10 and the semicircular cover 6, thereby effectively preventing the first bolt 4 and the first nut 5 from rusting, and delaying the aging of the sealing gasket 3.

[0025] The first bolts 4 and the U-shaped blocks 12 are both distributed in a circle with the pipeline 1 as the center, and the first bolts 4 and the U-shaped blocks 12 are distributed at intervals.

[0026] By distributing the first bolts 4 and the U-shaped block 12 at intervals, it is possible to effectively avoid the first bolts 4 and the first nuts 5 from interfering with the movement of the U-shaped block 12 .

[0027] In addition, after the two semicircular covers 6 are installed on the outside of the connection between the two pipes 1, sealant is used to seal the joints between the semicircular covers 6 and the joints between the semicircular covers 6 and the outer wall of the pipe 1 to prevent external water vapor from invading the annular cover through the joints.

[0028] The working principle of the utility model is:

[0029] When the utility model is in use, after two water supply and drainage pipes 1 are fixedly sealed and connected through the flanges 2, the sealing gaskets 3, the first bolts 4 and the first nuts 5, the two semicircular cover shells 6 are sleeved on the outer sides of the two flanges 2, and the two semicircular cover shells 6 are fixed by the cooperation of the first bolts 8 penetrating the connecting portion 7 and the second nuts 9, and then the rectangular blocks 11 are driven to move toward the center of the pipe 1 by rotating the screw rod 10, so that the two flanges 2 can be clamped on the inner sides of a plurality of U-shaped blocks 12, thereby further improving the stability of the connection between the two flanges 2, and then the rubber cover 16 is covered on the end of the sleeve 15, and the sealant is applied on the joint between the semicircular cover shell 6 and the pipe 1, so that water vapor can be effectively prevented from intruding into the annular cover shell composed of the two semicircular cover shells 6, so as to effectively avoid the first bolts 4 and the first nuts 5 from rusting, and delay the aging of the sealing gasket 3, and the installation is simple and quick, and the use effect is good.

[0030] In the utility model, when the U-shaped block 12 is pushed to move toward the axial direction of the pipeline 1 by the screw rod 10, the cooperation of the first arc surface 13 and the second arc surface 14 can play a good guiding role, so that the two flanges 12 are brought closer to each other, so as to further improve the stability of the connection between the two flanges 2, so that after the first bolt 4 and the first nut 5 are corroded and loosened, the sealing between the two flanges 2 can still be guaranteed.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-seepage device for water supply and drainage pipes in construction engineering, characterized in that: The invention comprises two semicircular covers (6), both ends of the two semicircular covers (6) are provided with connecting parts (7), and the two corresponding connecting parts (7) are fixedly connected by the cooperation of a second bolt (8) and a second nut (9), the two semicircular covers (6) are connected to each other to form an annular cover, the annular cover is sleeved on two mutually connected pipes (1), the connecting section of the pipes (1) is fixedly connected with a flange (2), a sealing gasket (3) is provided between the two flanges (2), the two flanges (2) are fixedly connected by the cooperation of a plurality of first bolts (4) and a first nut (5), a plurality of screw rods (10) are threadedly connected on the outer wall of the annular cover, one end of the screw rod (10) penetrates the outer wall of the annular cover and is rotatably connected with a U-shaped block (12), and the edges of the two flanges (2) are both located on the inner side of the U-shaped block (12).

2. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: The inner side wall of the U-shaped block (12) is symmetrically provided with two first curved surfaces (13), and the outer wall edge of the flange (2) is provided with an annular curved surface (14), the slope of the annular curved surface (14) is the same as the slope of the first curved surface (13), and the first curved surface (13) is in contact with the corresponding annular curved surface (14).

3. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: One end of the screw rod (10) located outside the semicircular cover (6) is fixedly connected to a rectangular block (11).

4. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: A sleeve (15) is fixedly connected to the outer wall of the semicircular cover (6) at a position corresponding to the screw (10); the screw (10) is located in the corresponding sleeve (15); and a rubber cover (16) is installed at the opening of the sleeve (15).

5. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: The first bolts (4) and the U-shaped blocks (12) are both distributed in a circle with the pipeline (1) as the center, and the first bolts (4) and the U-shaped blocks (12) are distributed at intervals.

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