Prefabricated warm ventilation pipe assembly structure based on BIM (Building Information Modeling)
By adopting a combined structure of T-slide, T-slide, spring and insertion rod on the prefabricated HVAC, the problem of inconvenient splicing of the duct and easy to corrode with the bolts in the prior art is solved, and the rapid air duct is achieved Connection and disassembly improve work efficiency and equipment life.
Patent Information
- Application Number
- CN202420848779.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-23
AI Technical Summary
In the prior art, the splicing between prefabricated HVAC usually relies on bolted connections, resulting in inconvenient connection and the bolts being easily corroded and rusted, making it difficult to disassemble.
The prefabricated HVAC assembly structure based on BIM is adopted. By installing a T-slide and a T-slide on the air duct, combining the spring and the insertion rod, the quick connection and disassembly between the air duct is achieved.
It realizes fast and convenient connection and disassembly between air ducts, avoids the problems of bolt corrosion and disassembly difficulties, and improves work efficiency and equipment service life.
Smart Images

Figure CN222438146U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heating and ventilation duct assembly structures, and specifically to a prefabricated heating and ventilation duct assembly structure based on BIM. Background Art
[0002] BIM technology is a digital tool used in engineering design, construction, and management. By integrating the digital and information models of buildings, it is shared and transmitted throughout the entire life cycle of project planning, operation, and maintenance. It enables engineering and technical personnel to correctly understand and efficiently respond to various building information, providing a basis for collaborative work for design teams and all construction entities including construction and operating units, and plays an important role in improving production efficiency, saving costs, and shortening construction periods.
[0003] Known Chinese public authorized patent: (publication number: CN202120179686.0) discloses an assembled air duct, including an air duct and a hanger, wherein a slot is provided inside the air duct, a block is slidably connected to the inner wall of the slot, a filter is fixedly connected to the top of the block, a buffer pad is fixedly connected to the bottom of the air duct, a spring is fixedly connected to the bottom of the buffer pad, and a hanger is fixedly connected to the bottom of the spring. The assembled air duct, through the arrangement of the spring and the buffer pad, the arrangement of the buffer pad is conducive to avoiding friction between the air duct and the hanger and the fixing frame, thereby improving the service life of the air duct, the arrangement of the spring is conducive to reducing safety accidents caused by loosening of fixing devices such as the hanger and the fixing frame due to the shaking of the air duct, thereby improving the safety of the device, the arrangement of the filter and the block is conducive to filtering impurities and dust, thereby improving the quality of the delivered air, and the arrangement of the slot and the block is convenient for the staff to take out the filter for cleaning and replacement, thereby improving work efficiency.
[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned assembled air duct has the following problems: during use of the prior art, the prefabricated HVAC ducts need to be spliced, usually by bolts, but this method is very inconvenient, and the bolts are prone to corrosion and rust after long-term use, making them difficult to disassemble. Therefore, a prefabricated HVAC duct assembly structure based on BIM is proposed. Utility Model Content
[0005] The utility model proposes a prefabricated HVAC duct assembly structure based on BIM, which solves the problem that the existing technology in the related art needs to splice the prefabricated HVAC ducts during use, usually by connecting them with bolts, but this method is very inconvenient, and the bolts are prone to corrosion and rust after long-term use, making them difficult to disassemble.
[0006] The technical solution of the utility model is as follows: A prefabricated HVAC duct assembly structure based on BIM, comprising: a first duct and a second duct, a first connecting plate fixedly installed on one side of the first duct, a second connecting plate fixedly installed on one side of the second duct, a plug rod fixedly installed on one side of the second connecting plate, a T-slide groove is provided on the outer side wall of the plug rod, a T-shaped slider is slidably connected inside the T-slide groove, and a spring is fixedly installed on one side of the inner wall of the T-slide groove;
[0007] One end of the spring is connected to the T-shaped slider, a first abutment plate is hinged on the top of the T-shaped slider, a second abutment plate is rotatably connected to the other side of the inner wall of the T-slot, a U-shaped plate is fixedly installed on one side of the second connecting plate, a slot is penetrated through one side of the second connecting plate, and the slot is plugged into the insertion rod;
[0008] A connecting mechanism is arranged inside the second air duct, and a filtering mechanism is arranged on the connecting mechanism.
[0009] Preferably, the connecting mechanism comprises two slide rails fixedly mounted on the inner top wall and the inner bottom wall of the second air duct, and the two slide rails are arranged opposite to each other.
[0010] Preferably, a mounting plate is slidably connected to each of the two slide rails, a baffle is fixedly mounted on one side of the mounting plate, and a handle is fixedly mounted on one side of the baffle.
[0011] Preferably, the filtering mechanism comprises an activated carbon filter screen, activated carbon filter cotton and a high efficiency air filter respectively arranged on the mounting plate.
[0012] Preferably, the activated carbon filter is located on one side of the activated carbon filter cotton, and the activated carbon filter cotton is located on one side of the high efficiency air filter.
[0013] Preferably, mounting ears are fixedly installed on both sides of the first air duct and the second air duct, and bolts are connected to the tops of the mounting ears through threaded holes.
[0014] The working principle and beneficial effects of the utility model are:
[0015] 1. When connecting the first air duct and the second air duct, by pressing the second abutment plate, the T-shaped slider slides inside the T-slot, the spring contracts, and the second abutment plate is hinged in the T-slot, and the insertion rod is inserted into the slot. After the insertion rod is inserted, the spring drives the T-shaped slider to reset, so that the top of the first abutment plate contacts the second abutment plate, and the second abutment plate is hinged, so that the top of the second abutment plate contacts the U-shaped plate, and then the insertion rod is limited and fixed, thereby achieving the purpose of connecting and fixing the first air duct and the second air duct, and improving work efficiency at the same time;
[0016] 2. When disassembling the first air duct and the second air duct, by pressing the second butt plate downward, the second butt plate is hinged, and the first butt plate pushes the T-shaped slider to slide inside the T-slide groove, and the spring contracts to make the second butt plate in the T-slide groove. At this time, push the insertion rod out of the slot, thereby realizing the disassembly of the first air duct and the second air duct. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the overall side-view stereoscopic structure of the utility model;
[0020] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the plug rod of the utility model;
[0021] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the mounting plate of the utility model.
[0022] In the figure: 1. first air duct; 2. second air duct; 3. first connecting plate; 4. second connecting plate; 5. plug rod; 6. T slide groove; 7. T-shaped slider; 8. spring; 9. first abutment plate; 10. second abutment plate; 11. U-shaped plate; 12. slot; 13. connecting mechanism; 14. filtering mechanism; 15. mounting ear; 16. bolt; 130. slide rail; 131. mounting plate; 132. baffle; 133. handle; 140. activated carbon filter; 141. activated carbon filter cotton; 142. high efficiency air filter. DETAILED DESCRIPTION
[0023] The following will be combined with 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.
[0024] Embodiment 1
[0025] See also Figure 1 - Figure 4A BIM-based prefabricated HVAC duct assembly structure includes: a first duct 1 and a second duct 2, a first connecting plate 3 is fixedly installed on one side of the first duct 1, a second connecting plate 4 is fixedly installed on one side of the second duct 2, a plug rod 5 is fixedly installed on one side of the second connecting plate 4, a T-slot 6 is opened on the outer wall of the plug rod 5, a T-shaped slider 7 is slidably connected inside the T-slot 6, and a spring 8 is fixedly installed on one side of the inner wall of the T-slot 6;
[0026] One end of the spring 8 is connected to the T-shaped slider 7, a first abutment plate 9 is hinged on the top of the T-shaped slider 7, a second abutment plate 10 is rotatably connected to the other side of the inner wall of the T-slot 6, a U-shaped plate 11 is fixedly installed on one side of the second connecting plate 4, a slot 12 is penetrated through one side of the second connecting plate 4, and the slot 12 is plugged into the insertion rod 5;
[0027] A connecting mechanism 13 is disposed inside the second air duct 2 , and a filtering mechanism 14 is disposed on the connecting mechanism 13 .
[0028] The utility model provides a method for connecting the first air duct 1 with the second air duct 2, by pressing the second abutment plate 10, the T-shaped slider 7 slides inside the T-slot 6, the spring 8 contracts, and the second abutment plate 10 is hinged in the T-slot 6, and the insertion rod 5 is inserted into the slot 12. After the insertion rod 5 is inserted, the spring 8 drives the T-shaped slider 7 to reset, so that the top of the first abutment plate 9 conflicts with the second abutment plate 10, and the second abutment plate 10 is hinged, so that the top of the second abutment plate 10 conflicts with the U-shaped plate 11. , and then the insertion rod 5 is limited and fixed. When the first air duct 1 and the second air duct 2 are disassembled, the second abutment plate 10 is pressed downward, and the second abutment plate 10 is hinged. The first abutment plate 9 pushes the T-shaped slider 7 to slide inside the T-slot 6, and the spring 8 contracts to make the second abutment plate 10 in the T-slot 6. At this time, the insertion rod 5 is pushed out of the slot 12, and then the first air duct 1 and the second air duct 2 are disassembled, thereby achieving the purpose of connecting and fixing the first air duct 1 and the second air duct 2, and improving work efficiency.
[0029] Embodiment 2
[0030] Based on the first embodiment, the present embodiment includes: the connecting mechanism 13 includes two slide rails 130 fixedly installed on the inner top wall and the inner bottom wall of the second air duct 2, the two slide rails 130 are arranged opposite to each other, and the two slide rails 130 are slidably connected with a mounting plate 131, a baffle 132 is fixedly installed on one side of the mounting plate 131, and a handle 133 is fixedly installed on one side of the baffle 132, and the filtering mechanism 14 includes an activated carbon filter 140, an activated carbon filter cotton 141 and a high-efficiency air filter 142 respectively arranged on the mounting plate 131, the activated carbon filter 140 is located on one side of the activated carbon filter cotton 141, and the activated carbon filter cotton 141 is located on one side of the high-efficiency air filter 142.
[0031] The technical solution provided by this embodiment is: the activated carbon filter 140 is used to filter and intercept impurities in the air, and the activated carbon filter cotton 141 is used to filter and adsorb impurities in the air, and the high-efficiency air filter 142 can further filter and adsorb impurities in the air.
[0032] Furthermore, mounting ears 15 are fixedly mounted on both sides of the first air duct 1 and the second air duct 2 , and bolts 16 are connected to the tops of the mounting ears 15 through threaded holes that penetrate through them.
[0033] Specifically, the mounting ears 15 are used to connect the first air duct 1 and the second air duct 2 to the wall, and the bolts 16 are used to connect and fix the mounting ears 15 to the wall.
[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A prefabricated HVAC duct assembly structure based on BIM, characterized in that: include: A first air duct (1) and a second air duct (2), wherein a first connecting plate (3) is fixedly installed on one side of the first air duct (1), a second connecting plate (4) is fixedly installed on one side of the second air duct (2), an insert rod (5) is fixedly installed on one side of the second connecting plate (4), a T-shaped sliding block (7) is slidably connected inside the T-shaped sliding block (6), and a spring (8) is fixedly installed on one side of the inner wall of the T-shaped sliding block (6); One end of the spring (8) is connected to the T-shaped slider (7); a first abutment plate (9) is hingedly connected to the top of the T-shaped slider (7); a second abutment plate (10) is rotatably connected to the other side of the inner wall of the T-slot (6); a U-shaped plate (11) is fixedly installed on one side of the second connecting plate (4); a slot (12) is penetrated through one side of the second connecting plate (4); the slot (12) is plugged into the insertion rod (5); A connecting mechanism (13) is provided inside the second air duct (2), and a filtering mechanism (14) is provided on the connecting mechanism (13).
2. According to the BIM-based prefabricated HVAC duct assembly structure of claim 1, it is characterized by: The connecting mechanism (13) comprises two slide rails (130) fixedly mounted on the inner top wall and the inner bottom wall of the second air duct (2), and the two slide rails (130) are arranged opposite to each other.
3. The BIM-based prefabricated HVAC duct assembly structure according to claim 2, characterized in that: A mounting plate (131) is slidably connected to the two slide rails (130), a baffle (132) is fixedly mounted on one side of the mounting plate (131), and a handle (133) is fixedly mounted on one side of the baffle (132).
4. The BIM-based prefabricated HVAC duct assembly structure according to claim 3, characterized in that: The filtering mechanism (14) comprises an activated carbon filter screen (140), an activated carbon filter cotton (141) and a high efficiency air filter (142) which are respectively arranged on the mounting plate (131).
5. The BIM-based prefabricated HVAC duct assembly structure according to claim 4, characterized in that: The activated carbon filter (140) is located on one side of the activated carbon filter cotton (141), and the activated carbon filter cotton (141) is located on one side of the high-efficiency air filter (142).
6. The BIM-based prefabricated HVAC duct assembly structure according to claim 1, characterized in that: Mounting ears (15) are fixedly mounted on both sides of the first air duct (1) and the second air duct (2), and bolts (16) are connected to the tops of the mounting ears (15) via threaded holes that penetrate through them.
Citation Information
Patent Citations
Assembly type air pipe
CN214305865U