Air supply vertical pipe installation structure convenient to install in narrow space and air supply vertical pipe
By using a connection structure of galvanized angle steel and flat steel, combined with sealing gaskets and adhesive, the installation problem of air supply risers in the narrow space of super high-rise buildings was solved, achieving stable installation and sealing of the air supply risers and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-03-20
AI Technical Summary
In super high-rise buildings, it is difficult to install pressurized air supply shafts in confined spaces, and traditional methods cannot guarantee the airtightness and rigidity of the ducts.
The pipes are connected using galvanized angle steel and galvanized flat steel, and fixed at the air vents. Combined with gaskets and sealant, reliable connection and sealing of the pipes are achieved.
Stable installation of the air supply riser was achieved in a confined space, solving the installation problem, improving sealing and rigidity, and reducing costs.
Smart Images

Figure CN224018531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a duct installation technical field, concretely is a kind of air supply riser installation structure and air supply riser convenient to install in narrow space. BACKGROUND
[0002] According to the building design fire prevention specification, the stairway, stairway antechamber, elevator antechamber, common antechamber and the like without openable outer window or insufficient openable outer window area need to design mechanical pressurized air supply system, and in multi-storey building, the area of pressurized air supply shaft is generally large, to ensure the space of personnel installation, or designed as secondary structure, and then builds after the installation of pressurized air supply vertical duct.
[0003] However, for super high-rise building, due to the limitation of area utilization rate, the area of pressurized air supply shaft is generally small, which is insufficient to reserve the required installation space, and the structure of super high-rise building is relatively high, and the wall around the duct is mostly primary structure, so the duct cannot be smoothly installed by adjusting the process, so a kind of air supply riser installation structure and air supply riser convenient to install in narrow space are needed to solve the installation problem of pressurized air supply riser in narrow space. UTILITY MODEL CONTENT
[0004] In view of the above technical problems in the prior art, the utility model provides an air supply riser installation structure and air supply riser convenient to install in narrow space, which solves the above problems.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] An air supply riser installation structure convenient to install in narrow space, comprising a pipeline body, a galvanized angle steel for connection is arranged at the peripheral connection of the end of the pipeline body, the galvanized angle steel at the end of the pipeline body is fixedly connected through galvanized bolts at the front side of the two pipeline bodies, an air port is arranged on the front side wall of the pipeline body close to the galvanized angle steel, a galvanized flat steel is arranged on the inner rear side wall of the pipeline body corresponding to the connection of the pipeline body, and the galvanized flat steel is fixed in the two pipeline bodies by dovetail nails to fixedly connect the two pipeline bodies.
[0007] Preferably, sealing gaskets are arranged between the galvanized angle steels of the two pipeline bodies.
[0008] Preferably, sealing glue is filled between the galvanized angle steels of the two pipeline bodies, and the sealing glue is located inside the sealing gaskets.
[0009] The utility model also provides an air supply riser convenient to install in narrow space, which comprises an air supply riser installation structure convenient to install in narrow space according to any one of the above.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] The utility model provides a kind of air supply riser mounting structure and air supply riser convenient to install in narrow space, by being set close to galvanized angle steel at air port position, when installing pipe body back side wall, it can be fixed and installed by staff through galvanized flat steel to pipe body back side wall directly through air port position, solve the problem of pressurized air supply vertical pipe body installation when personnel cannot enter narrow space;
[0012] Sealing gasket and sealant are equipped between galvanized angle steel of pipe body butt joint, solve the problem of sealing of pipe body without reinforcing before being pressed. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the installation plan view of the utility model's a kind of air supply riser mounting structure and air supply riser convenient to install in narrow space;
[0014] Figure 2 It is the B enlarged view of the utility model's a kind of air supply riser mounting structure and air supply riser convenient to install in narrow space;
[0015] Figure 3 It is the installation side view of the utility model's a kind of air supply riser mounting structure and air supply riser convenient to install in narrow space.
[0016] Figure 4 It is the A enlarged view of the utility model's a kind of air supply riser mounting structure and air supply riser convenient to install in narrow space.
[0017] In the drawing: 1, pipe body;2, galvanized angle steel;3, galvanized bolt;4, air port;5, galvanized flat steel;6, dovetail nail;7, sealing gasket;8, sealant. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0019] Please refer to Figures 1-4The application provides a supply air riser mounting structure convenient to install in a narrow space, which comprises a pipeline body 1, a galvanized angle steel 2 for connection is arranged at the peripheral connection position of the end of the pipeline body 1, the galvanized angle steel 2 at the end of the two pipeline bodies 1 is fixedly connected through galvanized bolts 3, an air port 4 is arranged at the position close to the galvanized angle steel 2 on the front side wall of the pipeline body 1, a galvanized flat steel 5 is arranged on the inner rear side wall of the pipeline body 1 and corresponds to the connection position of the pipeline body 1, and the galvanized flat steel 5 is fixed in the two pipeline bodies 1 through dovetail nails 6 to fixedly connect the two pipeline bodies 1.
[0020] Specifically, before the pressurized supply air riser is installed, the galvanized angle steel 2, the sealing gasket 7 and the galvanized bolt 3 are used to connect the multiple pipeline bodies 1 in an open space, a section of the pipeline body 1 is assembled and then is installed into a shaft, the interfaces of the two sections of the pipeline body 1 are reserved at the air port 4, the air port 4 is opened to the position close to the galvanized angle steel 2, when the rear side wall of the pipeline body 1 is installed, the rear side wall in the pipeline body 1 is directly fixed and installed through the galvanized flat steel 5 by the staff through the air port 4, and the installation problem of the pressurized supply air vertical pipeline body 1 when the staff cannot enter the narrow space is solved. Figure 3 Meanwhile, the galvanized flat steel 5 and the dovetail nail 6 solve the problem of insufficient rigidity when the large-span angle steel is not connected through a bolt.
[0021] Further, as shown in Figures 3-4 The sealing gasket 7 is arranged between the galvanized angle steels 2 of the two pipeline bodies 1, and the sealing glue 8 is arranged between the galvanized angle steels 2 of the two pipeline bodies 1, the sealing glue 8 is located on the inner side of the sealing gasket 7, and the sealing problem of the pipeline body 1 without reinforcement is solved.
[0022] The application further provides a supply air riser convenient to install in a narrow space, which comprises the supply air riser mounting structure convenient to install in a narrow space, the installation problem of the pressurized supply air vertical pipeline body 1 when the staff cannot enter the narrow space is solved, the materials used in the mounting structure are conventional materials, the mounting structure is easy to obtain and low in cost, and the mounting structure is convenient to manufacture and install on site.
[0023] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0024] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0025] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be made by those skilled in the art without departing from the spirit and principles of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An air supply riser installation structure for easy installation in confined spaces, comprising a pipe body (1), wherein galvanized angle steel (2) is provided at the outer periphery of the end of the pipe body (1) for connection, and the galvanized angle steel (2) at the ends of two pipe bodies (1) can be fixedly connected by galvanized bolts (3) at their front sides, characterized in that, The front side wall of the pipe body (1) is provided with an air vent (4) near the galvanized angle steel (2). The rear side wall inside the pipe body (1) is provided with a galvanized flat steel (5) corresponding to the connection of the pipe body (1). The galvanized flat steel (5) is fixed inside the two pipe bodies (1) by dovetail nails (6) to fix the two pipe bodies (1) in a fixed connection.
2. The air supply riser installation structure for easy installation in confined spaces according to claim 1, characterized in that, A sealing gasket (7) is provided between the galvanized angle steel (2) of the two pipe bodies (1).
3. The air supply riser installation structure for easy installation in confined spaces according to claim 2, characterized in that, A sealant (8) is filled between the galvanized angle steel (2) of the two pipe bodies (1), and the sealant (8) is located inside the sealing gasket (7).
4. An air supply riser that is easy to install in confined spaces, characterized in that, The above includes a supply air riser installation structure that is easy to install in a confined space, as described in any one of claims 1-3.