Hole water stopping device

Abstract

The utility model discloses a hole opening water stopping device which comprises a pipeline (1), the pipeline (1) penetrates through an installation hole opening (10) of a structural wall (2), a steel edge rubber water stopping belt (4) is arranged on an upstream face (3) of the structural wall, the edge of a penetrating hole of the steel edge rubber water stopping belt (4) is tightly buckled on the outer wall of the pipeline (1), a water stopping pressing plate (6) is arranged on a downstream face (9) of the structural wall, and the outer circle of the pipeline (1) is sleeved with a penetrating hole ring of the water stopping pressing plate (6). The steel edge rubber water stop belt (4) and the water stop pressing plate (6) are fixed to the structural wall (2) through water stop screws (8), and a rubber rod ring (5) is arranged at the position, tightly attached to the water stop pressing plate (6), in the installation hole (10). The utility model has the technical effects that the water-stop pressing plate and the rubber rod ring in the mounting hole are used for forming secondary sealing of the mounting hole, so that the leakage-proof and water-stop effects are enhanced, and the problem of water leakage caused by overlarge deformation of a single rubber water-stop plate in the prior art is solved.

Description

Technical Field

[0001] The utility model belongs to a leak-proof water-stopping structure, in particular to a hole water-stopping device. Background Art

[0002] When a pipeline passes through a structure or rock with groundwater, cement mortar is generally used for rigid sealing to prevent water from flowing out along the gap between the outer wall of the pipeline and the wall or rock. However, in some places with severe vibration or when the pipeline is in motion, such as in pipe jacking construction, rigid sealing cannot be used and a flexible water-stopping device must be installed on the water-facing surface of the concrete well wall.

[0003] Common flexible waterstop devices generally use rubber waterstop plates, which achieve sealing by closely fitting the rubber to the outer wall of the pipe. Depending on the water pressure on the water-facing surface of the structural wall, one or more layers of rubber waterstop plates are usually required to ensure the waterstop effect. Since the rubber waterstop plates are installed on the water-facing surface of the concrete well wall, when the water pressure exceeds the expected value, the rubber waterstop plates will cause leakage due to excessive deformation. Utility Model Content

[0004] In view of the problems existing in the prior art, the technical problem to be solved by the utility model is to provide a hole water-stopping device, which can solve the problem of water leakage caused by excessive deformation of the rubber water-stopping plate and enhance the anti-leakage and water-stopping effect.

[0005] The technical problem to be solved by the utility model is achieved through such a technical scheme, which includes a pipeline, which passes through an installation hole of a structural wall, and a steel-edge rubber waterstop is arranged on the water-facing surface of the structural wall, and the perforated edge of the steel-edge rubber waterstop is fastened to the outer wall of the pipeline; a waterstop pressure plate is arranged on the water-repelling surface of the structural wall, and the perforated ring of the waterstop pressure plate is sleeved on the outer circle of the pipeline, the steel-edge rubber waterstop and the waterstop pressure plate are fixed to the structural wall by waterstop screws, and a rubber rod ring is arranged in the installation hole close to the waterstop pressure plate.

[0006] The technical effects of the utility model are:

[0007] The utility model uses a water-stop pressure plate and a rubber rod ring in the installation hole to form a secondary seal of the installation hole, thereby enhancing the anti-leakage and water-stopping effect and solving the problem of water leakage caused by excessive deformation of a single rubber water-stop plate in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings of the present utility model are as follows:

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

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

[0011] In the figure, 1. pipeline; 2. structural wall; 3. water-facing surface of structural wall; 4. steel-edge rubber waterstop; 5. rubber rod ring; 6. waterstop pressure plate; 7. fastening bolts; 8. waterstop screw; 9. water-removing surface of structural wall; 10. installation hole; 11. annular sheet. DETAILED DESCRIPTION

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0013] like Figure 1 and Figure 2 As shown, the utility model includes a pipeline 1, which passes through an installation hole 10 of a structural wall 2, and a steel-edged rubber waterstop 4 is arranged on the water-facing surface 3 of the structural wall, and the perforated edge of the steel-edged rubber waterstop 4 is fastened to the outer wall of the pipeline 1; a waterstop pressure plate 6 is arranged on the water-repelling surface 9 of the structural wall, and the perforated ring of the waterstop pressure plate 6 is sleeved on the outer circle of the pipeline 1, the steel-edged rubber waterstop 4 and the waterstop pressure plate 6 are fixed to the structural wall 2 by means of a waterstop screw 8, and a rubber rod ring 5 is arranged in the installation hole 10 close to the waterstop pressure plate 6.

[0014] The rubber rod ring 5 is inserted into the outer wall of the pipe 1, and the rubber rod ring (5) is clamped between the water stop pressure plate (6) and the annular sheet (11) and is locked and fixed by the fastening bolt (7). When the fastening bolt is screwed, the pressure exerted by the annular sheet 11 on the side of the rubber rod ring increases, the cross-sectional deformation of the rubber rod ring increases, and the gap between the outer wall of the pipe and the inner wall of the installation hole is tightly sealed, achieving the effect of secondary sealing water. The rubber rod ring 5 refers to a rubber ring made of a rubber rod.

[0015] The installation opening 10 is a bell-shaped opening, and the diameter of the water-facing surface 3 of the structural wall is slightly larger than the diameter of the water-receiving surface 9 of the structural wall, so that the rubber rod ring 5 on the outer wall of the pipeline 1 can be squeezed into the opening to contact the water-stop pressure plate 6.

[0016] The working principle of the utility model is:

[0017] Only one layer of steel-edged rubber waterstop 4 is arranged on the water-facing surface 3 of the structural wall to realize the primary water sealing of the installation opening; on the water-receiving surface 9 of the structural wall, a rubber rod ring 5 is put on the pipe 1 and bolted on the waterstop pressure plate to realize the secondary water sealing of the installation opening, which can flexibly meet the water-stopping requirements under different water pressures. Taking pipe jacking construction as an example, after the pipe 1 passes through the structural wall 2 and enters the stratum, once it penetrates and encounters the groundwater layer, the groundwater will flow along the gap between the outer wall of the pipe 1 and the stratum to the water-facing surface 3 of the structural wall. The steel-edged rubber waterstop 4 prevents the groundwater from continuing to flow into the concrete well. In order to flexibly respond to water-stopping requirements under different water pressures, the utility model wraps a circle of rubber rod ring 5 between the pipe 1 and the structural wall at the back water surface 9 of the structural wall, and fixes it to the water-stopping pressure plate 6 with fastening bolts 7. By adjusting the fastening bolts 7, the rubber rod ring 5 is deformed to fill the space between the pipe 1, the structural wall 2 and the water-stopping pressure plate 6. When the steel-edged rubber waterstop 4 cannot completely stop water, the rubber rod ring 5 prevents the groundwater from continuing to flow, thereby enhancing the water-stopping effect.

Claims

1. A hole water-stopping device, comprising a pipe (1), the pipe (1) passing through an installation hole (10) of a structural wall (2), a steel-edged rubber water-stopping strip (4) being arranged on a water-facing surface (3) of the structural wall, the perforated edge of the steel-edged rubber water-stopping strip (4) being fastened to the outer wall of the pipe (1); wherein: A water stop pressure plate (6) is arranged on the back surface (9) of the structural wall, and the perforated ring of the water stop pressure plate (6) is sleeved on the outer circle of the pipe (1). The steel edge rubber water stop strip (4) and the water stop pressure plate (6) are fixed to the structural wall (2) through a water stop screw (8), and a rubber rod ring (5) is arranged in the installation hole (10) close to the water stop pressure plate (6).

2. The hole water-stopping device according to claim 1 is characterized in that: The rubber rod ring (5) is inserted into the outer wall of the pipe (1), and the rubber rod ring (5) is clamped between the water stop pressure plate (6) and the annular sheet (11) and is locked and fixed by a fastening bolt (7).

3. The hole water-stopping device according to claim 2 is characterized in that: The installation opening (10) is a bell-shaped opening, and the diameter of the water-facing surface (3) of the structural wall is larger than the diameter of the water-receiving surface (9) of the structural wall.

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