CN211949251U

CN211949251U - Connecting structure of roof floor slab and air pipe

Info

Publication number: CN211949251U
Application number: CN202020457033.XU
Authority: CN
Inventors: 贺方先
Original assignee: Hunan Shinehood Group No169 Chemical Industry Co ltd
Current assignee: Hunan Shinehood Group No169 Chemical Industry Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-17
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a connection structure of a roof floor slab and an air pipe, which comprises the roof floor slab and the air pipe, wherein the roof floor slab is provided with a through hole, the air pipe is sleeved in the through hole in a clearance way, and a filling layer is arranged in the clearance between the air pipe and the through hole; the roof floor slab is provided with a boss at the through hole, and the air pipe is fixedly provided with a rain cover. The utility model discloses in the connection structure of well roof floor and tuber pipe, owing to adopt the design of boss and rain-proof cover, during the difficult clearance that flows into between roof floor and the tuber pipe of rainwater, the leak protection is effectual. The expansion joint is arranged between the roof floor slab and the air pipe, so that the free expansion of the roof floor slab and the expansion and contraction of the air pipe are ensured, and the service life is prolonged.

Description

Connecting structure of roof floor slab and air pipe

Technical Field

The utility model belongs to the waterproof field in house especially relates to a fixed mounting mode of roof layer floor and tuber pipe.

Background

The common way of making the air duct penetrate the roof floor is to reserve a larger hole in the roof floor, and then pour the gap around the hole after the air duct is installed, so as to realize sealing.

The conventional method is easy to cause water leakage at the pouring sealing position around the hole, and the operation of replacing the air pipe is not easy, so that the steps are complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough and the defect mentioned in the above background art, provide a connection structure of roof layer floor and tuber pipe that waterproof performance is good. In order to solve the technical problem, the utility model provides a technical scheme does:

a connection structure of a roof floor slab and an air pipe comprises the roof floor slab and the air pipe, wherein the roof floor slab is provided with a through hole, the air pipe is sleeved in the through hole in a clearance manner, and a filling layer is arranged in the clearance between the air pipe and the through hole; the roof layer floor slab is provided with a boss at the through hole, the air pipe is fixedly provided with a rain cover, and the outer edge of the rain cover exceeds the outer edge of the boss. Above-mentioned filling layer can adopt the asbestos rope, in order to reach better leak protection effect, rain-proof cover should cover the boss.

In the above connection structure between the roof floor and the air duct, preferably, the roof floor is embedded with the embedded part at the through hole, when the embedded cylinder is adopted, the embedded cylinder is equivalent to the through hole, at this time, the air duct gap is sleeved in the embedded cylinder, and the filling layer is arranged in the gap between the air duct and the embedded cylinder. The embedded part comprises an embedded cylinder matched with the through hole in shape and size, and the embedded cylinder is arranged at the through hole.

In the above connection structure between the roof floor and the air duct, preferably, the embedded part includes a circle of embedded round steel, the embedded round steel is fixedly connected with the outer surface of the embedded cylinder, and the embedded round steel is embedded in the roof floor.

The embedded part is embedded when the roof floor slab is poured, civil construction can be facilitated due to the embedded part, a circular inner die does not need to be additionally arranged when the roof floor slab is poured by civil construction, a lower circular ring for blocking the sealing filler can be welded below the embedded part, and meanwhile the smoothness of the through hole and the standard inner circular hole are ensured. The pre-buried round steel is prefabricated in the roof floor after being fixedly connected with the pre-buried cylinder, and the stability of the pre-buried cylinder can be guaranteed.

In the above connection structure between the roof floor and the air duct, preferably, the embedded round steel is formed by combining a plurality of similar F-shaped round steels and circular steel plates fixedly connected to the bottoms of the similar F-shaped round steels (i.e. equivalent to one similar E-shaped round steel). The embedded round steel in the arrangement mode can ensure that the structure of the embedded part is stable and the steel consumption is reduced.

In the above connection structure between the roof floor and the air duct, preferably, the upper half of the embedded round steel is disposed in the boss. The arrangement mode can ensure that the structural stability of the embedded part is better.

In the above connection structure between the roof floor and the air duct, preferably, a lower ring is disposed at the bottom of a gap between the air duct and the through hole, the lower ring is fixedly connected to the pre-buried cylinder, and a gap is disposed between the lower ring and the air duct. The lower circular ring is round steel or steel pipe with proper size, and the lower circular hole is used for closing the gap. A certain gap is reserved between the lower round hole and the air pipe so as to facilitate expansion.

In the above connection structure between the roof floor and the air duct, preferably, the top of the gap between the air duct and the through hole is movably provided with an upper ring. The upper circular hole functions similarly to the lower circular hole in closing the gap of the sealing filler and can also be used for fixing the filling layer.

In the above connection structure between the roof floor and the air duct, preferably, the rain cover is disposed obliquely, and a bottom end of the rain cover is lower than an upper end of the boss. The rain-proof cover is obliquely arranged to be favorable for flowing of rainwater, and the lowest point of the rain-proof cover is lower than the high point of the boss to prevent rainwater from flowing through the boss to enter the gap.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses in the connection structure of well roof floor and tuber pipe, owing to adopt the design of boss and rain-proof cover, during the difficult clearance that flows into between roof floor and the tuber pipe of rainwater, the leak protection is effectual.

2. The utility model discloses in the connection structure of well roof layer floor and tuber pipe, be equipped with the expansion joint (above-mentioned clearance promptly) between roof layer floor and the tuber pipe, guaranteed the free extension of roof layer floor and the expend with heat and contract with cold of tuber pipe, life has obtained the extension.

3. The utility model discloses in the connection structure of well roof floor and tuber pipe, roof floor does not weld or sealed the splicing with the tuber pipe and is connected, and the change process of tuber pipe is simple, does benefit to subsequent maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the connection structure of the middle roof layer floor slab and the air pipe of the present invention.

Fig. 2 is a front view of the embedded part of the present invention.

Fig. 3 is a top view of the embedded part of the present invention.

Illustration of the drawings:

1. a roof layer floor slab; 2. an air duct; 3. a filling layer; 4. a boss; 5. a rain cover; 6. pre-embedding the cylinder; 7. embedding round steel; 8. a lower circular ring; 9. and (4) an upper circular ring.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example (b):

as shown in fig. 1, the connection structure of the roof floor and the air duct of the embodiment includes a roof floor 1 and an air duct 2, the roof floor 1 is provided with a through hole, the air duct 2 is sleeved in the through hole at a gap, and a filling layer 3 (sealing filler such as asbestos rope is adopted) is arranged in the gap (such as 15mm gap) between the air duct 2 and the through hole; roof layer floor 1 is equipped with boss 4 in through-hole department, has set firmly rain-proof cover 5 on tuber pipe 2, and the outer edge of rain-proof cover 5 surpasss the outer edge of boss 4, and rain-proof cover 5 slope sets up (if 45 slopes), and the position of rain-proof cover 5 bottom is less than the position of boss 4 upper end.

In this embodiment, a section of the boss 4 away from the through hole is also disposed obliquely, for example, at an angle of 45 °, so as to facilitate water drainage.

As shown in fig. 2 and 3, in the embodiment, the pre-embedded part is pre-embedded in the through hole of the roof layer floor 1, the pre-embedded part includes a pre-embedded cylinder 6 matching with the shape and size of the through hole, and the pre-embedded cylinder 6 is arranged at the through hole. The embedded part comprises a circle of embedded round steel 7, the embedded round steel 7 is fixedly connected with the outer surface of the embedded cylinder 6, and the embedded round steel 7 is embedded in the roof floor slab 1. The height of the embedded cylinder 6 is preferably consistent with that of the through hole.

In this embodiment, the roof-layer floor 1 is generally made of a reinforced concrete structure, and embedded parts are embedded in the roof-layer floor 1 when concrete is poured.

In this embodiment, the embedded round steel 7 is formed by combining a plurality of similar "F" shaped round steels and a circular steel plate fixedly connected to the bottom of the similar "F" shaped round steels (i.e. equivalent to a similar "E" shaped round steel), and the upper half of the embedded round steel 7 is arranged in the boss 4.

In this embodiment, the bottom of the gap between the air pipe 2 and the through hole is provided with a lower ring 8, the lower ring 8 is fixedly connected to the pre-embedded cylinder 6, and a gap is formed between the lower ring 8 and the air pipe 2. Lower ring 8 is processed by round steel or steel pipe and is obtained, and the diameter of pipe is greater than the size in clearance, and when the clearance was 15mm in this embodiment, the round steel that the diameter was 18mm was adopted to the pipe.

In this embodiment, the top of the gap between the air duct 2 and the through hole is movably provided with an upper ring 9. The upper ring 9 is machined from round steel or steel pipe and is not welded to any workpiece.

Claims

1. A connection structure of a roof floor slab and an air pipe is characterized by comprising the roof floor slab (1) and the air pipe (2), wherein the roof floor slab (1) is provided with a through hole, the air pipe (2) is sleeved in the through hole in a clearance manner, and a filling layer (3) is arranged in the clearance between the air pipe (2) and the through hole; the roof layer floor slab (1) is provided with a boss (4) at the through hole, and the air pipe (2) is fixedly provided with a rain cover (5).

2. The connection structure of the roof floor and the air duct according to claim 1, wherein the roof floor (1) is embedded with an embedded part at the through hole, the embedded part comprises an embedded cylinder (6) matched with the shape and size of the through hole, and the embedded cylinder (6) is arranged at the through hole.

3. The connection structure of the roof floor and the air duct as claimed in claim 2, wherein the embedded part comprises a circle of embedded round bars (7), the embedded round bars (7) are fixedly connected with the outer surface of the embedded cylinder (6), and the embedded round bars (7) are embedded in the roof floor (1).

4. The roof floor connecting structure according to claim 3, wherein the embedded round bars (7) are formed by combining a plurality of F-like round bars and circular steel plates fixedly connected to the bottoms of the F-like round bars.

5. The roof deck floor and air duct connection structure according to claim 3, wherein the upper half of the embedded round steel (7) is provided in the boss (4).

6. The connection structure of the roof floor and the air pipe according to claim 2, wherein a lower ring (8) is arranged at the bottom of the gap between the air pipe (2) and the through hole, the lower ring (8) is fixedly connected to the embedded cylinder (6), and a gap is arranged between the lower ring (8) and the air pipe (2).

7. A roof layer floor to air duct connection according to any of the claims 1-6, characterized in that the air duct (2) is movably provided with an upper ring (9) at the top of the gap between the through hole.

8. The roof layer floor connection to an air duct according to any of the claims 1-6, characterized in that the rain shield (5) is arranged obliquely, and the bottom end of the rain shield (5) is located lower than the upper end of the boss (4).