Large air duct fixing device for metal roof
By designing a large air duct fixing device on the metal roof, the combination of clamping blocks, screws and channel steel ensures a stable connection between the air duct and the metal roof, solving the safety hazards caused by the insolid connection of the air duct, and improving the operating efficiency and maintenance convenience of the ventilation system through the dust-proof structure.
Patent Information
- Application Number
- CN202421772610.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-25
AI Technical Summary
Due to the architectural design and layout, the air ducts and electromechanical bridges on metal roofs are susceptible to typhoons. If the connection point is not firm, there are serious safety hazards.
A large-scale air duct fixing device on metal roof is designed, including a fixing structure and a dust-proof structure. The fixed structure ensures a stable connection between the air duct and the metal roof through the combination of clamping blocks, screws and channel steel; the dustproof structure facilitates the disassembly and assembly and cleaning of the dustproof plates through sliding connections and springs.
It effectively solves the safety hazards caused by insolid air duct connections, ensures the waterproof and typhoon-proof performance of the metal roof, and improves the operating efficiency and maintenance convenience of the ventilation system.
Smart Images

Figure CN222950555U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of construction, in particular to a large-scale air duct fixing device for a metal roof. Background Art
[0002] Metal roofs have been widely developed and applied, especially in large public venues. Almost all large venues use metal roof systems. In these buildings, ventilation systems are an indispensable part, and large air ducts are the core component of the ventilation system. Their installation and fixing technology is particularly important. The fixing devices of large air ducts on metal roofs must not only meet the requirements of structural safety, but also take into account construction efficiency, cost and convenience of later maintenance.
[0003] However, in the prior art, due to the architectural design and layout, air ducts and electromechanical bridges have to be arranged on the upper part of the metal roof. These objects on the roof are easily affected by typhoons. If the connection points with the metal roof are not firm, it will pose a serious safety hazard. Utility Model Content
[0004] The utility model aims to provide a large-scale air duct fixing device for a metal roof. By setting a fixing mechanism, the problem that air ducts and electromechanical bridges have to be arranged on the upper part of the metal roof due to architectural design and layout is solved. These objects on the roof are easily affected by typhoons. If the connection point with the metal roof is not firm, it will cause serious safety hazards.
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model is a large-scale air duct fixing device for a metal roof, comprising a metal roof, on which a fixing structure and a dustproof structure are arranged;
[0007] The top of the metal roof is fixedly connected to a plurality of roof wave crests, and the fixing structure includes a base fixing assembly, a duct fixing assembly and a connecting assembly. The base fixing assembly includes a clamping block 1 which is slidably connected to the right sides of the plurality of roof wave crests, and a plurality of the clamping blocks 1 are hingedly provided with a clamping block 2 on their left sides. The plurality of the clamping blocks 2 are slidably connected to the plurality of roof wave crests, and a screw rod 1 is slidably penetrated between the plurality of the clamping blocks 2 and the plurality of the clamping blocks 1, and a nut 1 is threadedly connected to the left side extension of the plurality of the screw rods 1, and the plurality of the nuts 1 are respectively located on the left sides of the plurality of the clamping blocks 2.
[0008] Furthermore, a plurality of transverse channel steels are arranged above the metal roof, the bottoms of the plurality of transverse channel steels are slidably connected with a plurality of clamping blocks 1 and 2, a screw rod 2 is slidably penetrated between the plurality of clamping blocks 1 and the transverse channel steels, a plurality of bottom side extensions of the screw rod 2 are threadedly connected with a nut 2, and a plurality of the nuts 2 are respectively located below the plurality of transverse channel steels.
[0009] Furthermore, the air duct fixing assembly includes a plurality of transverse angle steels arranged above the metal roof, and a screw rod slides through the plurality of transverse angle steels and the transverse channel steels, and two nuts three are respectively threadedly connected to the outer walls of the plurality of screw rods, and the plurality of nuts three located above are respectively located below the plurality of transverse angle steels, and the plurality of nuts three located below are respectively located above the plurality of transverse channel steels, and two nuts four are respectively threadedly connected to the outer walls of the plurality of screw rods, and the plurality of nuts four located above are respectively located above the plurality of transverse angle steels, and the plurality of nuts four located below are respectively located below the plurality of transverse channel steels.
[0010] Furthermore, an air duct 1 is arranged above the metal roof, and an air duct 2 is slidably connected to the front side of the air duct 1.
[0011] Furthermore, the connecting assembly includes a connecting frame 1 fixedly connected to the front side of the air duct 1, the rear side of the air duct 2 is fixedly connected to the connecting frame 2, the connecting frame 1 is slidably connected to the connecting frame 2, a plurality of nuts 5 are slidably penetrated between the connecting frame 1 and the connecting frame 2, the rear side extensions of the plurality of nuts 5 are threadedly connected with the nuts 5, and the plurality of nuts 5 are located at the rear of the connecting frame 1.
[0012] Furthermore, the dustproof structure includes a dustproof plate slidably connected to the inner wall of the second air duct, a sliding groove is provided on the top of the dustproof plate, a sliding rod 1 slides through the top of the second air duct, and the sliding rod 1 is slidably connected to the sliding groove.
[0013] Furthermore, a sleeve is fixedly connected to the top of the second air duct, a piston is slidably connected to the inner wall of the sleeve, and the bottom side of the piston is fixedly connected to the first sliding rod.
[0014] Furthermore, a sliding rod 2 is slidably passed through the top surface of the sleeve, the bottom of the sliding rod 2 is fixedly connected to the piston, a spring is sleeved on the outer wall of the sliding rod 2, the top of the spring is fixedly connected to the sleeve, and the bottom of the spring is fixedly connected to the air duct 2.
[0015] The utility model has the following beneficial effects:
[0016] By setting a fixed structure, when the base needs to be fixed, the clamping block 1 and the clamping block 2 are placed on the roof crest, the screw rod 1 is inserted between the clamping block 1 and the clamping block 2, the nut 1 is screwed to fix the clamping block 2 and the clamping block 1 on the roof crest, the transverse channel steel is placed on the clamping block 1 and the clamping block 2, the screw rod 2 is inserted between the clamping block 2 and the transverse channel steel, and the nut 2 is screwed to fix the transverse channel steel and the clamping block 2, so that the channel steel support is set on the metal roof, the channel steel is connected to the metal roof crest through a special clamp, and then the air duct is connected to the channel steel, so that the air duct load is effectively transferred to the roof purlin under the metal roof crest. Compared with setting a concrete strip foundation and a steel structure support system on the roof, the fixed connection method of the air duct and the metal roof ensures the waterproof performance of the metal roof and takes into account the typhoon safety performance of the metal roof;
[0017] By setting up a dustproof structure, when the dustproof plate needs to be disassembled and assembled, the sliding bar two is pulled to bring out the sliding bar one. At this time, the spring is in a contracted state, the dustproof plate is placed in the air duct two, and the sliding bar two is released. Under the action of the spring, the piston will drive the sliding bar one to reset and enter the sliding groove. When the dustproof plate needs to be removed, the sliding bar two is pulled to make the sliding bar one fall off the sliding groove and then the dustproof plate is taken out. When a certain amount of dust accumulates on the surface of the dustproof plate, it can be quickly removed for cleaning or replacement, thereby maintaining its good dustproof effect, reducing the difficulty and time cost of maintenance work, and improving work efficiency. At the same time, effective dustproofing can keep the environment in the air duct clean, reduce the increase in wind resistance caused by dust accumulation, help improve the operating efficiency of the ventilation system, and ensure smooth air circulation inside the building.
[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 It is a partial structural schematic diagram of the fixing mechanism of the utility model;
[0022] Figure 3 It is a schematic diagram of the structure of the utility model in side section;
[0023] Figure 4It is a structural schematic diagram of the connection assembly of the utility model;
[0024] Figure 5 For this utility model Figure 2 A is a partial enlarged schematic diagram;
[0025] Figure 6 For this utility model Figure 4 A partial enlarged schematic diagram of B in the middle;
[0026] Figure 7 For this utility model Figure 3 A partial enlarged schematic diagram of C in the middle.
[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0028] Metal roof; 101, roof crest; 2, fixed structure; 21, base fixing assembly; 211, clamping block one; 212, clamping block two; 213, screw one; 214, nut one; 215, horizontal channel steel; 216, screw two; 217, nut two; 22, air duct fixing assembly; 221, screw rod; 222, nut three; 223, horizontal angle steel; 224, nut four; 225, air duct one; 226, air duct two; 23, connecting assembly; 231, connecting frame one; 232, connecting frame two; 233, screw three; 234, nut five; 3, dustproof structure; 301, dustproof plate; 302, sleeve; 303, piston; 304, slide groove; 305, slide bar one; 306, slide bar two; 307, spring. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-7 As shown, the utility model is a large-scale air duct fixing device for a metal roof, comprising a metal roof 1, on which a fixing structure 2 and a dustproof structure 3 are arranged;
[0031] A plurality of roof crests 101 are fixedly connected to the top of the metal roof 1, and the fixing structure 2 includes a base fixing assembly 21, a duct fixing assembly 22 and a connecting assembly 23. The base fixing assembly 21 includes a clamping block 1 211 which is respectively slidably connected to the right side of the plurality of roof crests 101, and a clamping block 212 is hingedly provided on the left side of the plurality of clamping blocks 1 211. The plurality of clamping blocks 212 are respectively slidably connected to the plurality of roof crests 101, and a screw 1 213 is slidably penetrated between the plurality of clamping blocks 212 and the plurality of clamping blocks 1 211, and a nut 1 214 is threadedly connected to the left side extension of the plurality of screw 1 213, and the plurality of nuts 1 214 are respectively located on the left side of the plurality of clamping blocks 212.
[0032] Among them Figure 2 As shown, a plurality of transverse channel steels 215 are arranged above the metal roof 1, and the bottoms of the plurality of transverse channel steels 215 are slidably connected with a plurality of clamping blocks 1 211 and a plurality of clamping blocks 212, and screw rods 216 are slidably penetrated between the plurality of clamping blocks 1 211 and the transverse channel steels 215, and the bottom side extensions of the plurality of screw rods 216 are threadedly connected with nuts 217, and the plurality of nuts 217 are respectively located below the plurality of transverse channel steels 215.
[0033] By setting the channel steel 215, when fixing the channel steel 215, the transverse channel steel 215 is placed on the clamping block 1 211 and the clamping block 212, the screw 216 is inserted between the clamping block 212 and the transverse channel steel 215, and the nut 217 is screwed to fix the transverse channel steel 215 and the clamping block 212.
[0034] Among them Figure 2 As shown, the air duct fixing assembly 22 includes a plurality of transverse angle steels 223 arranged above the metal roof 1, and a screw rod 221 slides through the plurality of transverse angle steels 223 and the transverse channel steel 215, and two nuts three 222 are respectively threadedly connected to the outer walls of the plurality of screw rods 221, and a plurality of nuts three 222 located at the top are respectively located below the plurality of transverse angle steels 223, and a plurality of nuts three 222 located at the bottom are respectively located above the plurality of transverse channel steels 215, and two nuts four 224 are respectively threadedly connected to the outer walls of the plurality of screw rods 221, and a plurality of nuts four 224 located at the top are respectively located above the plurality of transverse angle steels 223, and a plurality of nuts four 224 located at the bottom are respectively located below the plurality of transverse channel steels 215.
[0035] By setting up the air duct fixing assembly, the air duct can have higher stability, especially in an environment with high working pressure and large gas pipeline size. The fixing measures can effectively prevent the air duct from vibrating due to wind pressure changes or airflow disturbances, thereby avoiding noise.
[0036] Among them Figure 3 As shown, an air duct 1 225 is arranged above the metal roof 1, and an air duct 2 226 is slidably connected to the front side of the air duct 1 225.
[0037] By setting up air duct 1 225, air duct 1 225 and air duct 2 226 can be aligned when they need to be connected, which facilitates subsequent assembly work. By connecting air duct 1 225 and air duct 2 226, leakage and other unexpected situations during ventilation can be avoided to hinder the work.
[0038] Among them Figure 4 and Figure 6 As shown, the connection assembly 23 includes a connection frame 1 231 fixedly connected to the front side of the air duct 1 225, and a connection frame 232 is fixedly connected to the rear side of the air duct 226. The connection frame 1 231 is slidably connected to the connection frame 2 232, and a plurality of nuts 5 234 slide through the connection frame 1 231 and the connection frame 2 232, and the rear side extensions of the plurality of nuts 5 234 are all threadedly connected with the nuts 5 234, and the plurality of nuts 5 234 are all located at the rear of the connection frame 1 231.
[0039] By setting up the connection components, the pipe shaking caused by vibration and airflow can be effectively reduced, thereby improving the stability of the entire ventilation system. At the same time, the ventilation system can be easily maintained and repaired, which helps to discover and solve problems in time and extend the service life of the system.
[0040] Among them Figure 1 and Figure 7 As shown, the dustproof structure 3 includes a dustproof plate 301 slidably connected to the inner wall of the second air duct 226, a slide groove 304 is provided on the top of the dustproof plate 301, a slide rod 305 slides through the top of the second air duct 226, and the slide rod 305 is slidably connected to the slide groove 304.
[0041] By setting up a dust-proof structure, it is possible to effectively prevent external dust from entering the air duct and keep the environment inside the air duct clean. This is crucial to ensuring the normal operation and air quality of the ventilation system, and also extends the service life of the system. At the same time, due to the extension of the system life, it can also reduce the cost of replacing equipment and components.
[0042] Among them Figure 7 As shown, a sleeve 302 is fixedly connected to the top of the second air duct 226 , a piston 303 is slidably connected to the inner wall of the sleeve 302 , and the bottom side of the piston 303 is fixedly connected to the sliding rod 1 305 .
[0043] By setting the sleeve 302, the slide rod 305 on the bottom side of the piston 303 will be stuck in the slide groove 304, and the position of the dustproof plate 301 is fixed, which can prevent the dustproof system from falling off, so that the dustproof system can play its role to the greatest extent and improve work efficiency.
[0044] Among them Figure 7 As shown, a slide rod 306 slides through the top surface of the sleeve 302, the bottom of the slide rod 306 is fixedly connected to the piston 303, a spring 307 is sleeved on the outer wall of the slide rod 306, the top of the spring 307 is fixedly connected to the sleeve 302, and the bottom of the spring 307 is fixedly connected to the air duct 226.
[0045] By setting the spring 307, when the dustproof plate needs to be quickly installed or disassembled, the slide bar 2 306 is pulled to bring out the slide bar 1 305. At this time, the spring 307 is in a contracted state, the dustproof plate 301 is placed in the air duct 226, and the slide bar 2 306 is released. Under the action of the spring 307, the piston 303 will drive the slide bar 1 305 to reset and enter the slide groove 304.
[0046] A specific application of this embodiment is: when in use, first align the connecting frame 1 231 on the air duct 1 225 with the connecting frame 2 232 on the air duct 226, insert the screw 3 233 between the connecting frame 2 232 and the connecting frame 1 231, screw the nut 5 234 to fix the connecting frame 1 231 and the connecting frame 2 232, place the clamping block 1 211 and the clamping block 2 212 on the roof crest 101, insert the screw 1 213 into the clamping block 1 211 and the clamping block 2 The clamping block 212 is placed between the clamping block 212, and the nut 1 214 is screwed to fix the clamping block 212 and the clamping block 1 211 on the roof crest 101. The transverse channel steel 215 is placed on the clamping block 1 211 and the clamping block 212. The screw 216 is inserted between the clamping block 212 and the transverse channel steel 215, and the nut 217 is screwed to fix the transverse channel steel 215 and the clamping block 212. The screw 221 is inserted into the transverse channel steel 215, and the nut 4 at the bottom is screwed. 224 fixes the screw rod 221 on the transverse channel steel 215, and screws the nut three 222 located below to further fix the screw rod 221. Place the air duct one 225 and the air duct two 226 on the transverse channel steel 215, and put the transverse angle steel 223 on the screw rod 221. Screw the nut four 224 located above to fix the transverse angle steel 223 on the air duct one 225 and the air duct two 226. Screw the nut three 222 located below to further fix the transverse angle steel 223. Fixed, at this time the air duct is fixed, pull the slide bar 206 to bring out the slide bar 105, at this time the spring 307 is in a contracted state, put the dustproof plate 301 into the air duct 226, release the slide bar 206, under the action of the spring 307, the piston 303 will drive the slide bar 105 to reset and enter the slide groove 304, when the dustproof plate 301 needs to be removed, pull the slide bar 206 to make the slide bar 105 fall off the slide groove 304 and then take out the dustproof plate 301.
[0047] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0048] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A large air duct fixing device for a metal roof, comprising a metal roof (1), characterized in that: The metal roof (1) is provided with a fixing structure (2) and a dustproof structure (3); The top of the metal roof (1) is fixedly connected to a plurality of roof wave crests (101), and the fixing structure (2) comprises a base fixing assembly (21), an air duct fixing assembly (22) and a connecting assembly (23); the base fixing assembly (21) comprises a clamping block (211) which is slidably connected to the right side of the plurality of roof wave crests (101), a plurality of clamping blocks (211) are hingedly provided with a clamping block (212) on the left side, a plurality of clamping blocks (212) are slidably connected to the plurality of roof wave crests (101), a screw rod (213) is slidably penetrated between a plurality of clamping blocks (212) and a plurality of clamping blocks (211), a nut (214) is threadedly connected to the left side extension of a plurality of screw rods (213), and a plurality of nuts (214) are respectively located on the left side of a plurality of clamping blocks (212).
2. The large air duct fixing device for metal roof according to claim 1, characterized in that: A plurality of transverse channel steels (215) are arranged above the metal roof (1), the bottoms of the plurality of transverse channel steels (215) are slidably connected to a plurality of clamping blocks 1 (211) and a plurality of clamping blocks 2 (212), a screw rod 2 (216) is slidably penetrated between the plurality of clamping blocks 1 (211) and the transverse channel steels (215), a plurality of bottom side extensions of the screw rod 2 (216) are threadedly connected to a nut 2 (217), and the plurality of nuts 2 (217) are respectively located below the plurality of transverse channel steels (215).
3. The large air duct fixing device for metal roof according to claim 2, characterized in that: The air duct fixing assembly (22) comprises a plurality of transverse angle steels (223) arranged above the metal roof (1), a screw rod (221) slidingly passing through each of the transverse angle steels (223) and the transverse channel steel (215), two nuts three (222) being threadedly connected to the outer walls of the plurality of screw rods (221), a plurality of nuts three (222) being located above being located below the plurality of transverse angle steels (223), a plurality of nuts three (222) being located below being located above the plurality of transverse channel steels (215), two nuts four (224) being threadedly connected to the outer walls of the plurality of screw rods (221), a plurality of nuts four (224) being located above being located above the plurality of transverse angle steels (223), a plurality of nuts four (224) being located below being located below the plurality of transverse channel steels (215).
4. The large air duct fixing device for metal roof according to claim 3, characterized in that: An air duct 1 (225) is arranged above the metal roof (1), and an air duct 2 (226) is slidably connected to the front side of the air duct 1 (225).
5. The large air duct fixing device for metal roof according to claim 4, characterized in that: The connection assembly (23) comprises a connection frame 1 (231) fixedly connected to the front side of the air duct 1 (225); the rear side of the air duct 2 (226) is fixedly connected to the connection frame 2 (232); the connection frame 1 (231) and the connection frame 2 (232) are slidably connected; a plurality of nuts 5 (234) are slidably penetrated between the connection frame 1 (231) and the connection frame 2 (232); the rear side extensions of the plurality of nuts 5 (234) are all threadedly connected to the nuts 5 (234); and the plurality of nuts 5 (234) are all located behind the connection frame 1 (231).
6. The large air duct fixing device for metal roof according to claim 5, characterized in that: The dustproof structure (3) comprises a dustproof plate (301) slidably connected to the inner wall of the second air duct (226); a slide groove (304) is provided on the top of the dustproof plate (301); a slide rod (305) slides through the top of the second air duct (226); and the slide rod (305) is slidably connected to the slide groove (304).
7. The large air duct fixing device for metal roof according to claim 6, characterized in that: The top of the second air duct (226) is fixedly connected to a sleeve (302), the inner wall of the sleeve (302) is slidably connected to a piston (303), and the bottom side of the piston (303) is fixedly connected to the first sliding rod (305).
8. The large air duct fixing device for metal roof according to claim 7, characterized in that: A second slide bar (306) is slidably passed through the top surface of the sleeve (302), the bottom of the second slide bar (306) is fixedly connected to the piston (303), a spring (307) is sleeved on the outer wall of the second slide bar (306), the top of the spring (307) is fixedly connected to the sleeve (302), and the bottom of the spring (307) is fixedly connected to the second air duct (226).