Special-shaped air pipe for roof without rainproof measures
By designing the main body of the irregularly shaped air duct to be V-shaped and combining it with an internal strut support system, the problem of rainwater accumulation when the air duct is installed on the roof is solved, achieving the effects of rust prevention and air leakage prevention.
Patent Information
- Application Number
- CN202520456990.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Conventional rectangular ducts are prone to rust, damage, and air leakage when installed on roofs due to rainwater accumulation.
The ductwork features an irregular shape with a V-shaped top plate. It is supported by vertical and horizontal internal struts, and adjacent ducts are connected by flanges and bolts.
It effectively prevents rainwater accumulation, prevents duct dents and deformation, ensures stable connections, and avoids rust and air leakage.
Smart Images

Figure CN223814430U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of air pipe, especially to a special-shaped air pipe for a roof without rainproof measures. BACKGROUND
[0002] Air pipe is a pipe system for air delivery and distribution, which is widely used in ventilation, air conditioning, dust removal and other systems in the fields of building and industry.
[0003] The top of the conventional rectangular air pipe will inevitably be slightly deformed when it is installed on the roof, even if the inside of the air pipe is supported and reinforced, rainwater will accumulate after it rains, and the air pipe will rust and even be damaged and leak air after a long time. SUMMARY
[0004] In order to solve the problems existing in the prior art, the utility model provides a special-shaped air pipe for a roof without rainproof measures.
[0005] The utility model provides a special-shaped air pipe for a roof without rainproof measures adopts the following technical scheme:
[0006] A special-shaped air pipe for a roof without rainproof measures, comprising an air pipe body, the middle part of the top plate of the air pipe body is upwardly protruding in a V shape, the cross section of the air pipe body is pentagonal, vertical inner support rods are vertically supported inside the air pipe body, the vertical inner support rods are supported between the middle part of the top plate and the middle part of the bottom plate of the air pipe body, horizontal inner support rods are horizontally supported inside the air pipe body, the horizontal inner support rods are supported between the middle parts of two side plates, flange plates in a pentagonal shape are fixedly connected to the end parts of the air pipe body, connecting bolt holes are formed in the flange plates, and adjacent two flange plates are connected through bolts.
[0007] By adopting the above technical scheme, when rainwater falls on the air pipe body, the rainwater can be easily discharged to both sides due to the V-shaped upward protruding top plate of the air pipe body, even if the slope is very small, there will be no water accumulation phenomenon, thereby effectively solving the problems of rainwater accumulation after it rains, air pipe rusting after a long time, and even damage and air leakage.
[0008] Optionally, the vertical inner support rods and the horizontal inner support rods are abutted.
[0009] Optionally, the vertical inner support rods and the horizontal inner support rods are welded.
[0010] Optionally, the vertical inner support rods and the horizontal inner support rods are bolted.
[0011] Optionally, the vertical inner support rod is provided with a hole, and the horizontal inner support rod is arranged in the hole of the vertical inner support rod.
[0012] Optionally, the vertical inner support rod and the horizontal inner support rod are connected through a pin.
[0013] Optionally, the middle part of the inner wall of the top plate, the side plate and the bottom plate of the air pipe body is fixedly connected with a limiting plate, the limiting plate is provided with a limiting hole, the limiting hole close to the top plate is V-shaped, the two ends of the vertical inner support rod and the two ends of the horizontal inner support rod are fixedly connected with a clamping plate, and the clamping plate is clamped in the limiting hole adjacent to the clamping plate.
[0014] By adopting the above technical scheme, the clamping plate is clamped in the limiting hole, the clamping plate has a supporting effect on the inner wall of the air pipe body, the anti-depression deformation effect of the air pipe body is improved, and the installation and fixation of the vertical inner support rod and the horizontal inner support rod are facilitated.
[0015] Optionally, a jackscrew is threadedly installed on the clamping plate, and the jackscrew abuts against the inner wall of the air pipe body.
[0016] By adopting the above technical scheme, the stability of the clamping plate after installation is further improved.
[0017] In summary, the utility model has at least one of the following beneficial technical effects:
[0018] When rainwater falls on the air pipe body, the V-shaped top plate of the air pipe body protrudes upward, rainwater is easily discharged to both sides, even if the slope is small, there is no water storage phenomenon, thereby effectively solving the problem that rainwater is stored after raining, and the air pipe is rusted and even damaged and air leakage after a long time;
[0019] The vertical inner support rod and the horizontal inner support rod form an internal support system, and rigidly support the top plate, the side plate and the bottom plate of the air pipe body to prevent inward depression deformation.
[0020] The adjacent two air pipe bodies are connected through bolt flange plate cooperation, and the plurality of air pipe bodies are conveniently connected to form. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a structure schematic view of a special-shaped air pipe for a roof without rainproof measures according to the embodiment 1 of the utility model.
[0022] Figure 2 is a structure schematic view of a special-shaped air pipe for a roof without rainproof measures according to the embodiment 2 of the utility model.
[0023] Figure 3 is a side view of the internal support system according to the embodiment 2 of the utility model.
[0024] Explanation of reference signs: 1, air pipe main body; 2, vertical inner support rod; 3, horizontal inner support rod; 4, flange plate; 40, connecting bolt hole; 5, limiting plate; 50, limiting hole; 6, clamping plate; 7, jackscrew. DETAILED DESCRIPTION
[0025] The following description will be made in conjunction with the accompanying drawings. Figure 1 - the accompanying drawings Figure 3 The utility model makes further detailed description.
[0026] The utility model discloses a special-shaped air pipe for roof without rainproof measure. EMBODIMENT
[0027] Refer to Figure 1 A special-shaped air pipe for roof without rainproof measure, comprising an air pipe main body 1, the top plate of the air pipe main body 1 is upwardly convex and forms a V shape, so that the cross section of the air pipe main body 1 is pentagonal, the top plate of the air pipe main body 1 is a V-shaped plate, and the side plate and the bottom plate are both planar plates. A vertical inner support rod 2 is fixedly connected in the air pipe main body 1 in the vertical direction, the top end of the vertical inner support rod 2 is supported at the middle part of the top plate, that is, the corner of the V-shaped top plate, and the bottom end of the vertical inner support rod 2 is supported at the middle part of the bottom plate.
[0028] Refer to Figure 1 A horizontal inner support rod 3 is fixedly connected in the air pipe main body 1 in the horizontal direction, and the horizontal inner support rod 3 is supported at the middle part of the two side plates. The end of the air pipe main body 1 is fixedly connected with a pentagonal flange plate 4 matched with the cross section of the air pipe main body 1, a plurality of connecting bolt holes 40 are formed in the flange plate 4, and the adjacent two flange plates 4 are connected by bolts, so that a plurality of air pipe main bodies 1 can be connected.
[0029] The vertical inner support rod 2 and the horizontal inner support rod 3 in the embodiment can be selected from a steel pipe or a screw rod, and the vertical inner support rod 2 is vertically attached to the horizontal inner support rod 3. In other examples, the vertical inner support rod 2 and the horizontal inner support rod 3 can also be connected in the following ways: one is to weld the vertical inner support rod 2 and the horizontal inner support rod 3, two is to connect the vertical inner support rod 2 and the horizontal inner support rod 3 by bolts, three is to connect the vertical inner support rod 2 and the horizontal inner support rod 3 by a pin, and four is to form a hole in the vertical inner support rod 2, and the horizontal inner support rod 3 is arranged in the hole.
[0030] The implementation principle of embodiment 1 is as follows: when rain falls on the air pipe main body 1, the rain is easily discharged to both sides due to the V-shaped top plate of the air pipe main body 1, which is convex upward, even if the slope is very small, there will be no water accumulation phenomenon, thereby effectively solving the problem that rainwater is accumulated after raining, which can cause the air pipe to rust and even be damaged and leak air after a long time; the vertical inner support rod 2 and the horizontal inner support rod 3 form an internal support system, which hardens the support of the top plate, the side plate and the bottom plate of the air pipe main body 1, so as to prevent them from being inwardly deformed; the adjacent two air pipe main bodies 1 are connected by the bolt and the flange plate 4, so that a plurality of air pipe main bodies 1 can be connected to form a shape. EMBODIMENT
[0031] With reference to Figure 2 and Figure 3 The difference between the embodiment and embodiment 1 is that the middle part of the inner side of the top plate, the side plate and the bottom plate of the air pipe body 1 is respectively fixedly connected with a limiting plate 5, wherein the limiting plate 5 on the inner side of the top plate is V-shaped, and the rest of the limiting plates 5 are rectangular; a limiting hole 50 is formed on the limiting plate 5, and the limiting hole 50 on the limiting plate 5 on the inner side of the top plate is V-shaped, and the rest of the limiting holes 50 are rectangular.
[0032] With reference to Figure 2 and Figure 3 The two ends of the vertical inner supporting rod 2 are respectively fixedly connected with a clamping plate 6, and the two ends of the horizontal inner supporting rod 3 are respectively fixedly connected with a clamping plate 6; wherein the clamping plate 6 at the top end of the vertical inner supporting rod 2 is V-shaped and matched with the limiting hole 50, and the rest of the clamping plates 6 are rectangular, the clamping plate 6 is clamped and fixed in the corresponding limiting hole 50, and the clamping plate 6 is attached to the inner wall of the air pipe body 1 adjacent to the clamping plate 6, so that the inner wall of the air pipe body 1 is supported by the clamping plate 6, and the anti-deformation effect is improved; the clamping plate 6 is provided with a top wire 7 for abutting against the inner wall of the air pipe body 1, so as to further improve the stability of the clamping plate 6 after installation.
[0033] The implementation principle of embodiment 2 is that the clamping plate 6 on the vertical inner supporting rod 2 and the horizontal inner supporting rod 3 is inserted into the corresponding limiting hole 50, so that the inner wall of the air pipe body 1 is supported by the clamping plate 6, and the anti-deformation effect is improved; the clamping plate 6 is fixed by the top wire 7, so as to ensure the stability of the internal supporting system, and then the air pipe body 1 is spliced by the flange plate 4 and the bolt.
[0034] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A profiled air duct for a roof without rain protection, characterized in that: The utility model provides a wind pipe body (1), the top plate middle part of wind pipe body (1) is projected upwards and presents V shape, the cross section of wind pipe body (1) presents pentagonal, the inside vertical support of wind pipe body (1) has vertical inner bracing (2), and vertical inner bracing (2) is supported between the top plate middle part and the bottom plate middle part of wind pipe body (1), the inside horizontal support of wind pipe body (1) has horizontal inner bracing (3), and horizontal inner bracing (3) is supported between two side plate middle parts, the flange plate (4) of pentagonal is fixedly connected in the end of wind pipe body (1), and the connecting bolt hole (40) is set up on flange plate (4), and adjacent two flange plates (4) are connected through bolt.
2. A profiled air pipe for a roof without rainproof measures according to claim 1, characterized in that: The vertical inner bracing (2) and the horizontal inner bracing (3) are abutted.
3. A profiled air duct for a roof without rainproof measures according to claim 1, characterized in that: The vertical inner bracing (2) and the horizontal inner bracing (3) are welded.
4. A profiled air duct for a roof without rainproof measures according to claim 1, characterized in that: The vertical inner bracing (2) and the horizontal inner bracing (3) are bolted.
5. A profiled air duct for a roof without rainproof measures according to claim 1, characterized in that: The vertical inner bracing (2) is provided with a hole, and the horizontal inner bracing (3) is arranged in the hole of the vertical inner bracing (2).
6. A profiled air duct for a roof without rainproof measures according to claim 1, characterized in that: The vertical inner bracing (2) and the horizontal inner bracing (3) are connected by a pin.
7. A profiled air duct for a roof without rainproof measures according to any of claims 1 - 6, characterized in that: The middle part of the inner wall of the top plate, the side plate and the bottom plate of the wind pipe body (1) is fixedly connected with a limiting plate (5), the limiting plate (5) is provided with a limiting hole (50), the limiting hole (50) near the top plate is V-shaped, the both ends of the vertical inner bracing (2) and the horizontal inner bracing (3) are fixedly connected with a clamping plate (6), and the clamping plate (6) is clamped in the limiting hole (50) adjacent to it.
8. A profiled air pipe for a roof without rainproof measures according to claim 7, characterized in that: A jackscrew (7) is threadedly installed on the clamping plate (6), and the jackscrew (7) abuts against the inner wall of the wind pipe body (1).