Waterproof sealing structure for air pipe penetrating through outer wall

Abstract

The utility model relates to the field of air pipe equipment, in particular to a waterproof sealing structure for an air pipe to penetrate through an outer wall, which comprises a wall body, an air pipe main body and a protective frame, a mounting groove is arranged at the front end of the wall body and positioned on the side of the air pipe main body, and a plastering surface is arranged at the front end of the wall body and positioned on the side of the mounting groove. An air pipe outer frame is fixedly mounted at the front end of the air pipe main body, a threaded groove is formed in the side of the air pipe outer frame, a connecting hole is formed in the lower end of the protective frame, a water retaining strip is fixedly mounted at the rear end of the protective frame, a clamping frame is arranged in the air pipe main body, and an extrusion bolt is arranged on the front side in the clamping frame; according to the waterproof sealing structure, the connecting holes are fixedly connected with the threaded grooves through the bolts, so that the water retaining strip is tightly attached to the wiping plane, the protective frame is matched to protect the expansion sealing strip, the expansion sealing strip is prevented from being exposed to the sun or soaked in rainwater, and the sealing performance of the waterproof sealing structure can be kept for a long time; and the service life of the waterproof sealing structure is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of air duct equipment, in particular to a waterproof and sealing structure for an air duct passing through an external wall of a building. Background Technique

[0002] The air duct passing through the external wall means installing a ventilation duct on the outer enclosure structure of a building to achieve air circulation and exhaust functions. This process needs to follow specific construction specifications and safety requirements to ensure that the structure and safety performance of the building are not affected. In order to ensure the normal use of the air duct in daily life, a special waterproof and sealing structure is provided on the air duct.

[0003] At present, after the waterproof and sealing structure of the air duct passing through the external wall is set up, the expansion sealing strip exposed on the outermost side is exposed to the sun or soaked by rain for a long time, which affects its working performance and is not conducive to maintaining the sealing effect of the expansion sealing strip for a long time.

[0004] Therefore, aiming at the expansion sealing strip on the outermost side of the waterproof and sealing structure of the air duct passing through the external wall, which is easily affected by the sun or soaked by rain for a long time and its sealing performance, a waterproof and sealing structure for the pipe passing through the external wall with a protective housing can be designed. Content of the Utility Model

[0005] In order to overcome the problem that the expansion sealing strip on the outermost side of the waterproof and sealing structure of the air duct passing through the external wall is easily affected by the sun or soaked by rain for a long time and its sealing performance is affected.

[0006] The technical solution of the utility model is: a waterproof and sealing structure for an air duct passing through an external wall, including a wall body, and also including an air duct main body and a protective frame. An installation groove is opened on the front end of the wall body on the side of the air duct main body, a leveling surface is arranged on the front end of the wall body on the side of the installation groove, the front end of the air duct main body is fixedly installed with an air duct outer frame, threaded grooves are opened on the side of the air duct outer frame, connection holes are opened at the lower end of the protective frame, a water blocking strip is fixedly installed at the rear end of the protective frame, a clamping frame is arranged inside the air duct main body, an extrusion bolt is arranged on the front side inside the clamping frame, a protective net is fixedly installed on the rear side inside the clamping frame, and a drainage slope is fixedly installed at the front end of the clamping frame.

[0007] Preferably, the threaded grooves are distributed at equal intervals, and the threaded grooves are mutually adapted to the connection holes.

[0008] As a preference, the protective frame and the air duct outer frame are sleeved with each other, and the cross section of the protective frame is designed in an L-shaped structure.

[0009] As a preference, the rear end of the water blocking strip is mutually attached to the leveling surface, and the cross section of the water blocking strip is designed in a trapezoidal structure.

[0010] Preferably, an expansion sealing strip is arranged inside the installation groove, a louver frame is arranged on the inner side of the air duct outer frame, and a drainage groove is formed at the lower end of the louver frame.

[0011] Preferably, the clamping frame is slidably connected to the air duct main body, and the extrusion bolt is in close contact with the air duct main body.

[0012] Preferably, the extrusion bolts are arranged at equal intervals, and the extrusion bolts are threadedly connected to the clamping frame.

[0013] Advantages of the present utility model:

[0014] For the waterproof and sealing structure of the air duct passing through the external wall, the connection hole and the threaded groove are fixedly connected by bolts, so that the water blocking strip is in close contact with the plastering surface. The protection frame protects the expansion sealing strip, preventing the expansion sealing strip from being exposed to the sun or soaked by rainwater, which is beneficial to maintaining the sealing performance of the waterproof and sealing structure for a long time and extending the service life of the waterproof and sealing structure. The drainage slope and the drainage groove at the front end are used to quickly drain the accumulated water when rainwater enters the air duct main body, preventing the rainwater from accumulating inside the air duct main body for a long time and accelerating the corrosion of the air duct main body, which is beneficial to improving the drainage performance of the air duct main body. Description of the drawings

[0015] Figure 1 Shown is a three-dimensional structural schematic diagram of the waterproof and sealing structure of the air duct passing through the external wall of the present utility model;

[0016] Figure 2 Shown is a three-dimensional structural schematic diagram of the air duct main body of the present utility model;

[0017] Figure 3 Shown is a three-dimensional structural schematic diagram of the protection frame of the present utility model;

[0018] Figure 4 Shown is a three-dimensional structural schematic diagram of the clamping frame of the present utility model.

[0019] Description of the reference numerals: 1, wall; 2, air duct main body; 3, protection frame; 4, installation groove; 5, plastering surface; 6, air duct outer frame; 7, threaded groove; 8, connection hole; 9, water blocking strip; 10, clamping frame; 11, extrusion bolt; 12, protection net; 13, drainage slope; 14, expansion sealing strip; 15, louver frame; 16, drainage groove. Detailed implementation manners

[0020] The present utility model will be further described below with reference to the drawings and embodiments.

[0021] Please refer to Figures 1-4, this utility model provides an embodiment: a waterproof and sealing structure for an air duct passing through an exterior wall, including a wall 1, characterized in that: it further includes an air duct main body 2 and a protective frame 3. An installation groove 4 is opened at the front end of the wall 1 on the side of the air duct main body 2. A leveling surface 5 is arranged at the front end of the wall 1 on the side of the installation groove 4. The front end of the air duct main body 2 is fixedly installed with an air duct outer frame 6. Threaded grooves 7 are opened on the side of the air duct outer frame 6. Connecting holes 8 are opened at the lower end of the protective frame 3. A water blocking strip 9 is fixedly installed at the rear end of the protective frame 3. A clamping frame 10 is arranged inside the air duct main body 2. An extrusion bolt 11 is arranged at the front side inside the clamping frame 10. A protective net 12 is fixedly installed at the rear side inside the clamping frame 10. A drainage slope 13 is fixedly installed at the front end of the clamping frame 10.

[0022] Please refer to Figures 1-3 , in this embodiment, the threaded grooves 7 are equally spaced, the threaded grooves 7 and the connecting holes 8 are mutually adapted, the protective frame 3 and the air duct outer frame 6 are mutually sleeved, the cross-section of the protective frame 3 is designed in an L-shaped structure, the rear end of the water blocking strip 9 is mutually attached to the leveling surface 5, the cross-section of the water blocking strip 9 is designed in a trapezoidal structure, an expansion sealing strip 14 is arranged inside the installation groove 4, a louver frame 15 is arranged inside the air duct outer frame 6, a drainage groove 16 is opened at the lower end of the louver frame 15. By adjusting the protective frame 3 on the air duct main body 2, the connecting holes 8 and the threaded grooves 7 are mutually aligned, and at the same time, the water blocking strip 9 and the leveling surface 5 are kept in close contact. The connecting holes 8 and the threaded grooves 7 are fixedly connected by bolts, so that the protective frame 3 and the water blocking strip 9 protect the expansion sealing strip 14, avoiding the expansion sealing strip 14 from being exposed to the sun or soaked by rainwater, which is beneficial to maintaining the sealing performance of the waterproof and sealing structure for a long time and extending the service life of the waterproof and sealing structure.

[0023] Please refer to Figure 2 and Figure 4 , in this embodiment, the clamping frame 10 is slidably connected to the air duct main body 2, the extrusion bolt 11 is mutually attached to the air duct main body 2, the extrusion bolts 11 are equally spaced, the extrusion bolts 11 are threadedly connected to the clamping frame 10. By rotating the extrusion bolts 11 with tools, the extrusion bolts 11 are closely attached to the inner wall of the air duct main body 2, which is convenient for fixing the clamping frame 10. With the cooperation of the drainage slope 13 and the drainage groove 16 at the front end, when rainwater enters the air duct main body 2, the accumulated water can be quickly discharged, avoiding the long-term accumulation of rainwater inside the air duct main body 2 and accelerating the corrosion of the air duct main body 2, which is beneficial to improving the drainage performance of the air duct main body 2.

[0024] When working, by adjusting the protective frame 3 on the air duct main body 2, the connection hole 8 is aligned with the threaded groove 7, and at the same time, the water blocking strip 9 is kept in close contact with the leveling surface 5. The connection hole 8 and the threaded groove 7 are fixedly connected by bolts, so that the protective frame 3 and the water blocking strip 9 protect the expansion sealing strip 14, preventing the expansion sealing strip 14 from being exposed to the sun or soaked by rainwater. By turning the extrusion bolt 11 with a tool, the extrusion bolt 11 is closely attached to the inner wall of the air duct main body 2, facilitating the fixing of the clamping frame 10. The drainage slope 13 is matched with the drainage groove 16 at the front end, facilitating the rapid drainage of accumulated water when rainwater enters the air duct main body 2, preventing rainwater from accumulating in the air duct main body 2 for a long time and accelerating the corrosion of the air duct main body 2.

[0025] Through the above steps, the connection hole 8 and the threaded groove 7 are fixedly connected by bolts, so that the water blocking strip 9 is in close contact with the leveling surface 5, and the protective frame 3 is used to protect the expansion sealing strip 14, so as to solve the problem that the expansion sealing strip 14 on the outermost side of the waterproof and sealing structure of the air duct passing through the outer wall is easily exposed to the sun or soaked by rainwater for a long time, which is likely to affect its sealing performance.

Claims

1. A waterproof and sealing structure for an air duct passing through an external wall, comprising a wall body (1), characterized in that: It also includes an air duct main body (2) and a protective frame (3). An installation groove (4) is provided on the front end of the wall body (1) on the side of the air duct main body (2). A leveling surface (5) is provided on the front end of the wall body (1) on the side of the installation groove (4). The front end of the air duct main body (2) is fixedly installed with an air duct outer frame (6). Threaded grooves (7) are provided on the side of the air duct outer frame (6). Connection holes (8) are provided at the lower end of the protective frame (3). A water blocking strip (9) is fixedly installed at the rear end of the protective frame (3). A clamping frame (10) is arranged inside the air duct main body (2). An extrusion bolt (11) is arranged on the front side inside the clamping frame (10). A protective net (12) is fixedly installed at the rear side inside the clamping frame (10). A drainage slope (13) is fixedly installed at the front end of the clamping frame (10).

2. The waterproof and sealing structure for an air duct passing through an exterior wall according to claim 1, wherein: The threaded grooves (7) are distributed at equal intervals, and the threaded grooves (7) are mutually adapted to the connection holes (8).

3. The waterproof and sealing structure for an air duct passing through an external wall according to claim 1, characterized in that: The protective frame (3) is sleeved with the air duct outer frame (6), and the cross section of the protective frame (3) is designed in an L-shaped structure.

4. A waterproof and sealing structure for an air duct passing through an external wall according to claim 1, characterized in that: The rear end of the water blocking strip (9) is mutually attached to the leveling surface (5), and the cross section of the water blocking strip (9) is designed in a trapezoidal structure.

5. The waterproof and sealing structure for an air duct passing through an external wall according to claim 1, characterized in that: An expansion sealing strip (14) is arranged inside the installation groove (4). A louver frame (15) is arranged inside the air duct outer frame (6). A drainage groove (16) is provided at the lower end of the louver frame (15).

6. The waterproof and sealing structure for an air duct passing through an external wall according to claim 1, characterized in that: The clamping frame (10) is slidably connected to the air duct main body (2), and the extrusion bolt (11) is mutually attached to the air duct main body (2).

7. The waterproof and sealing structure for an air duct passing through an external wall according to claim 6, wherein: The extrusion bolts (11) are distributed at equal intervals, and the extrusion bolts (11) are threadedly connected to the clamping frame (10).

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