Plugging structure with reserved flexible waterproof sleeve

Abstract

The utility model discloses a plugging structure with a reserved flexible waterproof casing pipe, which comprises an outer wall, a flange casing pipe is arranged in the outer wall, a steel pipe is arranged in the flange casing pipe, an outer waterproof structure is arranged between the steel pipe and the flange casing pipe, a plugging piece is arranged at the end part of the steel pipe, the plugging piece is connected with the flange casing pipe, and the flexible waterproof casing pipe is arranged in the outer waterproof structure. The outer waterproof structure comprises a flexible joint filling material; and the flexible joint filling material is used for filling a gap between the flange sleeve and the steel pipe. Double-quick cement is poured into the steel pipe, the sealing rings are arranged between the flange gland and the flange sleeve and between the flange gland and the blind plate, and the blind plate, the flange gland and the flange sleeve are tightly connected together through the flange gland and the bolt, so that a good reserved plugging effect is achieved. The utility model provides a novel reserved flexible waterproof sleeve plugging construction method, and effectively solves the water leakage phenomenon caused by untight or infirm plugging of the reserved sleeve.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil construction installation, and in particular relates to a blocking structure for a reserved flexible waterproof casing. Background Art

[0002] At present, the construction speed of domestic subway is relatively fast, and various types of transfer stations often appear. Often, the two lines where the transfer station is located are not opened at the same time. In order to facilitate the later construction and safety considerations, the stations with later lines often make reservation measures for various professions, among which the flexible waterproof casing at the station exit is a reservation measure. There is no unified measure for the sealing of the traditional reserved flexible waterproof casing. The simple or irregular sealing by the construction unit often causes water seepage in the reserved flexible waterproof casing, which brings great inconvenience to the project and the later operation. Summary of the invention

[0003] The utility model is proposed to solve the problems existing in the prior art, and its purpose is to provide a sealing structure for a reserved flexible waterproof sleeve.

[0004] The technical solution of the utility model is: a sealing structure with a reserved flexible waterproof sleeve, comprising an outer wall, a flange sleeve is arranged in the outer wall, a steel pipe is arranged in the flange sleeve, an external waterproof structure is arranged between the steel pipe and the flange sleeve, a sealing piece is arranged at the end of the steel pipe, and the sealing piece is connected to the flange sleeve.

[0005] Furthermore, the flange sleeve comprises a tube body passing through the outer wall, and a first end flange and a second end flange are formed at two ends of the tube body, and flange holes for connection are formed in the first end flange and the second end flange.

[0006] Furthermore, the external waterproof structure includes a flexible caulking material, and the flexible caulking material fills the gap between the flange sleeve and the steel pipe.

[0007] Furthermore, the flexible caulking material is close to the left and right sides of the outer wall, and a sealing paste is provided between the flange sleeve and the steel pipe, and the sealing paste is flush with the end of the second end flange.

[0008] Furthermore, the blocking member is a blind plate, and the blind plate blocks the protruding end of one side of the steel pipe.

[0009] Furthermore, a blind plate hole is formed in the blind plate, and the blind plate hole corresponds one-to-one to the flange hole in the first end flange.

[0010] Furthermore, after the studs in the external wall pass through the flange holes in the first end flange and the blind plate holes in the blind plate, nuts are screwed on to fix them.

[0011] Furthermore, a flange gland is provided between the blind plate and the first end flange, and the flange gland is sleeved on the steel pipe.

[0012] Furthermore, the flange gland is stepped, a gland hole is formed in the flange gland, and the stud passes through the gland hole.

[0013] Furthermore, a sealing ring is also provided on the steel pipe, and one end of the flange gland presses the sealing ring.

[0014] The beneficial effects of the utility model are as follows:

[0015] In the utility model, double-fast cement is poured into the steel pipe, sealing rings are arranged between the flange gland and the flange sleeve, and between the flange gland and the blind plate. The flange gland and the blind plate, the flange gland and the flange sleeve are tightly connected together by bolts, which plays a good reserved sealing role.

[0016] The utility model provides a novel reserved flexible waterproof casing plugging construction method, which effectively solves the water leakage phenomenon caused by loose or loose plugging of the reserved casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is a side view of the utility model;

[0019] in:

[0020] 1 External wall 2 Flange sleeve

[0021] 3 Flexible caulking material 4 Sealing paste

[0022] 5 Steel pipe 6 Sealing ring

[0023] 7 Flange gland 8 Blind plate

[0024] 9 Nut 10 Stud. DETAILED DESCRIPTION

[0025] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and embodiments:

[0026] like Figure 1 to Figure 2 As shown, a sealing structure for a reserved flexible waterproof sleeve includes an outer wall 1, a flange sleeve 2 is arranged in the outer wall 1, a steel pipe 5 is arranged in the flange sleeve 2, an external waterproof structure is arranged between the steel pipe 5 and the flange sleeve 2, and a sealing piece is arranged at the end of the steel pipe 5, and the sealing piece is connected to the flange sleeve 2.

[0027] The flange sleeve 2 includes a pipe body passing through the outer wall 1, with a first end flange and a second end flange formed at both ends of the pipe body, and flange holes for connection formed in the first end flange and the second end flange.

[0028] The external waterproof structure includes a flexible caulking material 3 , and the flexible caulking material 3 fills the gap between the flange sleeve 2 and the steel pipe 5 .

[0029] The flexible caulking material 3 is close to the left and right sides of the exterior wall 1. A sealing paste 4 is also provided between the flange sleeve 2 and the steel pipe 5. The sealing paste 4 is flush with the end of the second end flange.

[0030] The blocking member is a blind plate 8 , and the blind plate 8 blocks a protruding end of the steel pipe 5 .

[0031] Blind plate holes are formed in the blind plate 8, and the blind plate holes correspond one-to-one to the flange holes in the first end flange.

[0032] After the stud 10 in the exterior wall 1 passes through the flange hole in the first end flange and the blind plate hole in the blind plate 8, the nut 9 is screwed on to fix it.

[0033] A flange gland 7 is also provided between the blind plate 8 and the first end flange, and the flange gland 7 is sleeved on the steel pipe 5 .

[0034] The flange gland 7 is in a stepped shape, a gland hole is formed in the flange gland 7, and the stud 10 passes through the gland hole.

[0035] The steel pipe 5 is also provided with a sealing ring 6 , and one end of the flange gland 7 presses the sealing ring 6 .

[0036] Specifically, an inner limit ring is formed on the inner wall of the flange sleeve 2, and the inner limit ring includes a first inner limit ring located close to the sealing end of the steel pipe 5 and a second inner limit ring away from the sealing end of the steel pipe 5, and the first inner limit ring and the second inner limit ring are both located in the outer wall 1.

[0037] Specifically, the first inner limiting ring and the second inner limiting ring are both clearance-fitted with the steel pipe 5 .

[0038] Specifically, the second inner limiting ring axially limits the flexible filling material 3 and the sealing paste 4 on the right side.

[0039] Specifically, the first inner limiting ring axially limits the flexible filling material 3 and the sealing ring 6 on the left side.

[0040] Specifically, a sealing ring 6 is provided between the end of the flange gland 7 and the end of the blind plate 8 , and the sealing ring 6 realizes sealing of the contact ends of the flange gland 7 and the blind plate 8 .

[0041] Specifically, there is a clearance fit between the outer wall of the small diameter section of the flange gland 7 and the inner wall of the flange sleeve 2 .

[0042] Specifically, Figure 2 As shown, the studs 10 are arranged circumferentially at equal intervals, and the number may be but is not limited to eight.

[0043] Specifically, the reserved flexible waterproof sleeve is arranged in the outer wall 1 , and when the outer wall 1 is under construction, the flange sleeve 2 of the flexible waterproof sleeve is directly reserved in the outer wall 1 .

[0044] An outer connecting ring is formed at the outer wall of the flange sleeve 2 , and the outer connecting ring is connected to the outer wall 1 .

[0045] Specifically, double-fast cement is injected into the steel pipe 5, and when the steel pipe 5 and the double-fast cement are integrated, the steel pipe 5 is arranged as a whole in the flange sleeve 2 of the flexible waterproof sleeve and passes through the outer wall 1.

[0046] Specifically, the outer side of the outer wall between the steel pipe 5 and the flange sleeve 2 is sealed with a flexible caulking material 3, and sealed with a sealing paste 4 to achieve a primary waterproofing effect.

[0047] Specifically, the inner side of the outer wall between the steel pipe 5 and the flange sleeve 2 is fixed by a flange gland 7, and a sealing ring 6 is provided between the steel pipe 5, the flange gland 7 and the flange sleeve 2 to play a secondary waterproofing role.

[0048] Specifically, the steel pipe 5 is in direct contact with the flexible caulking material 3 and the sealing ring 6, thus playing an anti-seismic role.

[0049] Specifically, the sealing ring 6 can be a rubber ring.

[0050] The blind plate 8 is fastened to the flange gland 7 and the flange sleeve 2 by bolts, and the bolts include studs 10 and nuts 9. At this time, the flange gland 7 is stressed on the sealing ring 6, and the sealing ring 6 can stop the water on the outer wall of the pipeline after expansion.

[0051] In the utility model, double-fast cement is poured into the steel pipe, sealing rings are arranged between the flange gland and the flange sleeve, and between the flange gland and the blind plate. The flange gland and the blind plate, the flange gland and the flange sleeve are tightly connected together by bolts, which plays a good reserved sealing role.

[0052] The utility model provides a novel reserved flexible waterproof casing plugging construction method, which effectively solves the water leakage phenomenon caused by loose or loose plugging of the reserved casing.

Claims

1. A plugging structure with a reserved flexible waterproof casing, comprising an outer wall (1), Features: A flange sleeve (2) is provided in the outer wall (1), a steel pipe (5) is provided in the flange sleeve (2), an external waterproof structure is provided between the steel pipe (5) and the flange sleeve (2), a plugging piece is provided at the end of the steel pipe (5), and the plugging piece is connected to the flange sleeve (2); The blocking member is a blind plate (8), and the blind plate (8) blocks a protruding end of the steel pipe (5); A blind plate hole is formed in the blind plate (8), and the blind plate hole corresponds one-to-one with the flange hole in the first end flange; After the stud (10) in the external wall (1) passes through the flange hole in the first end flange and the blind plate hole in the blind plate (8), the nut (9) is screwed on to fix it.

2. A plugging structure for a reserved flexible waterproof casing according to claim 1, Features: The flange sleeve (2) comprises a pipe body passing through the outer wall (1), with a first end flange and a second end flange formed at two ends of the pipe body, and flange holes for connection formed in the first end flange and the second end flange.

3. A plugging structure for a reserved flexible waterproof casing according to claim 2, Features: The external waterproof structure comprises a flexible caulking material (3), and the flexible caulking material (3) fills the gap between the flange sleeve (2) and the steel pipe (5).

4. A plugging structure for a reserved flexible waterproof casing according to claim 3, Features: The flexible caulking material (3) is close to the left and right sides of the exterior wall (1), and a sealing paste (4) is provided between the flange sleeve (2) and the steel pipe (5), and the sealing paste (4) is flush with the end of the second end flange.

5. A plugging structure for a reserved flexible waterproof casing according to claim 1, Features: A flange gland (7) is also provided between the blind plate (8) and the first end flange, and the flange gland (7) is sleeved on the steel pipe (5).

6. A plugging structure for a reserved flexible waterproof casing according to claim 5, Features: The flange gland (7) is in a stepped shape, a gland hole is formed in the flange gland (7), and the stud (10) passes through the gland hole.

7. A plugging structure for a reserved flexible waterproof casing according to claim 6, Features: The steel pipe (5) is also provided with a sealing ring (6), and one end of the flange gland (7) presses the sealing ring (6).

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