Ventilation device for house building engineering building
By designing a combined structure of casing, fan, air intake plate and electric actuator in building construction, the problem of insufficient gas flow in ventilation devices is solved, achieving efficient ventilation and dust protection, and improving the ventilation effect of large buildings.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-19
- Publication Date
- 2026-03-27
AI Technical Summary
In existing technologies, the gas flow rate of ventilation devices in building construction is affected by the power of the fan, making it difficult to efficiently draw outdoor air into the building, especially in large buildings where the ventilation effect is poor.
A ventilation device comprising a housing, a fan, an air inlet, an air deflector plate, an electric push rod, and a toothed structure is designed. The air deflector plate and the guide plate are oscillated by the air pressure difference when the fan starts and the electric push rod, thereby adjusting the gap of the air inlet and the airflow direction. Combined with a dust filter, impurities are prevented from entering.
It improves the air intake efficiency and flexibility of the ventilation system, enhances the ventilation effect, and can adjust the airflow direction according to needs to prevent dust from entering the building.
Smart Images
Figure CN224050539U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a house building ventilation technical field especially, it is a kind of ventilation device for house building engineering construction. BACKGROUND
[0002] House building engineering ventilation is important component in house building engineering, it is important to improve indoor air quality, ensure human health and meet the demand of building function, rely on natural wind pressure and thermal pressure effect, make indoor and outdoor air exchange, this ventilation mode is economic and energy saving, applicable to multistory dwelling house, general industrial plant etc.
[0003] In prior art, in the ventilation process of house building engineering construction, the flow of gas in the device is affected by the power of fan, the gas can only flow into the building through the device from the air inlet of fan, it is difficult to efficiently drain outdoor air to the building through the device, which will affect the ventilation effect, if used in large volume building, it will lead to poor ventilation effect. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of ventilation devices for house building engineering construction, to solve the problem that in prior art, in the ventilation process of house building engineering construction, the flow of gas in the device is affected by the power of fan, the gas can only flow into the building through the device from the air inlet of fan, it is difficult to efficiently drain outdoor air to the building through the device, which will affect the ventilation effect, if used in large volume building, it will lead to poor ventilation effect.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of ventilation device for house building engineering construction, including casing, the inner wall of the casing is fixedly connected with connecting frame, the end of the connecting frame away from the casing is fixedly connected with fan, the side wall of the casing is equipped with multiple air inlets, the inner wall of the casing is fixedly connected with fixed rod in air inlet, the rod wall of the fixed rod is movably equipped with air guide plate, the inner wall of the casing is fixedly connected with first electric push rod, the piston rod end of the first electric push rod is fixedly connected with connecting rod, the inner wall of the casing in air inlet is equipped with sliding slot, the inner wall of the sliding slot is slidably equipped with transmission rod, the connecting rod is fixedly connected with transmission rod, the upper surface of the transmission rod is fixedly connected with multiple first teeth, the side wall of the air guide plate is fixedly connected with multiple second teeth around, multiple first teeth are respectively and multiple second teeth are set to be interlocked.
[0007] Preferably, the side of the casing away from fan is fixedly connected with dust filter screen.
[0008] Preferably, the air guide plate is fixedly connected with a sealing gasket at one end away from the fixing rod, and the side wall of the sealing gasket is arranged in close contact with the inner wall of the casing at the air inlet.
[0009] Preferably, the bottom end of the connecting rod is provided with a rounded corner, and the inner wall of the casing at the air inlet is provided as a slope.
[0010] Preferably, the upper surface of the casing is fixedly connected with a second electric push rod, the inner wall of the casing is hingedly provided with a plurality of guide plates, the piston rod end of the second electric push rod is fixedly connected with a push-pull rod, and the rod wall of the push-pull rod is slidingly arranged on the side wall of the guide plate.
[0011] Preferably, the inner wall of the guide plate is provided with a strip-shaped opening, the rod wall of the push-pull rod is fixedly connected with a push rod, and the push rod is slidingly arranged in the inner wall of the strip-shaped opening.
[0012] Compared with the prior art, the ventilation device for house building engineering construction has the following beneficial effects:
[0013] 1. The ventilation device for house building engineering construction is provided with a gap at the connecting position of the fan and the casing, and when the fan is started, the gas flows, the gas flow rate in the casing is accelerated, the air pressure is reduced, the outdoor air is affected by the atmospheric pressure and flows to the inner wall of the casing, the air guide efficiency is improved, and the ventilation effect of the device is improved.
[0014] 2. The ventilation device for house building engineering construction is provided with a gap at the connecting position of the fan and the casing, and when the fan is started, the gas flows, the gas flow rate in the casing is accelerated, the air pressure is reduced, the outdoor air is affected by the atmospheric pressure and flows to the inner wall of the casing, the air guide efficiency is improved, and the ventilation effect of the device is improved.
[0015] 3. The ventilation device for house building engineering construction is provided with a gap at the connecting position of the fan and the casing, and when the fan is started, the gas flows, the gas flow rate in the casing is accelerated, the air pressure is reduced, the outdoor air is affected by the atmospheric pressure and flows to the inner wall of the casing, the air guide efficiency is improved, and the ventilation effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structure perspective view of the ventilation device for house building engineering construction is provided.
[0017] Figure 2 A structure perspective view of the ventilation device for house building engineering construction is provided.
[0018] Figure 3 A structure perspective view of the ventilation device for house building engineering construction is provided.Figure 2 The structure of the middle part A is enlarged and shown schematically.
[0019] In the figure: 1 housing, 2 connecting frame, 3 fan, 4 dust filter screen, 5 fixed rod, 6 air guide plate, 7 first electric push rod, 8 connecting rod, 9 transmission rod, 10 first tooth, 11 second tooth, 12 sealing gasket, 13 second electric push rod, 14 guide plate, 15 push-pull rod, 16 push rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0021] Reference Figures 1-3 A ventilation device for house building engineering, including the housing 1, the inner wall of the housing 1 is fixedly connected with the connecting frame 2, the end of the connecting frame 2 away from the housing 1 is fixedly connected with the fan 3, a plurality of air inlet openings are formed on the side wall of the housing 1, the inner wall of the housing 1 at the air inlet opening is fixedly connected with the fixed rod 5, the rod wall of the fixed rod 5 is movably sleeved with the air guide plate 6, the inner wall of the housing 1 is fixedly connected with the first electric push rod 7, the piston rod end of the first electric push rod 7 is fixedly connected with the connecting rod 8, the inner wall of the housing 1 at the air inlet opening is provided with a sliding groove, the inner wall of the sliding groove is slidably provided with the transmission rod 9, the connecting rod 8 is fixedly connected with the transmission rod 9, the upper surface of the transmission rod 9 is fixedly connected with a plurality of first teeth 10, the side wall of the air guide plate 6 is fixedly connected with a plurality of second teeth 11 around, and the plurality of first teeth 10 are respectively and mutually meshingly arranged with the plurality of second teeth 11.
[0022] The side of the housing 1 away from the fan 3 is fixedly connected with the dust filter screen 4, the end of the air guide plate 6 away from the fixed rod 5 is fixedly connected with the sealing gasket 12, the side wall of the sealing gasket 12 is abuttingly arranged on the inner wall of the housing 1 at the air inlet opening, the bottom end rod wall of the connecting rod 8 is provided with a rounded corner, and the inner wall of the housing 1 at the air inlet opening is provided as an inclined surface.
[0023] In use, the connecting portion of the fan 3 and the housing 1 is provided with a gap through the connecting frame 2, when the fan 3 is started, gas flows, the gas flow rate in the housing 1 is accelerated to cause the gas pressure to be reduced, the outdoor air is affected by the atmospheric pressure to flow to the inner wall of the housing 1, the air guide efficiency can be accelerated, the ventilation effect of the device can be improved, the piston rod movement of the first electric push rod 7 can push the connecting rod 8 and the transmission rod 9 to move, the second teeth 11 are moved by the first teeth 10, the air guide plate 6 can swing along the rod wall of the fixed rod 5, the housing 1 can flexibly adjust the gap of the air inlet opening, the air guide efficiency of the device can be adjusted according to the use requirement.
[0024] The sealing gasket 12 can improve the airtightness of the air inlet when the air inlet plate 6 is closed on the inner wall of the air inlet. The bottom of the connecting rod 8 is rounded and the inner wall of the air inlet is set as a slope, which can improve the smoothness of the gas flow, reduce wind resistance, and further improve the ventilation effect.
[0025] In order to accurately guide the gas flowing out of the device according to the usage requirements, such as Figures 1-3 As shown, a second electric push rod 13 is fixedly connected to the upper surface of the housing 1. Multiple guide plates 14 are hinged to the inner wall of the housing 1. A push-pull rod 15 is fixedly connected to the piston rod end of the second electric push rod 13. The rod wall of the push-pull rod 15 is slidably disposed on the side wall of the guide plate 14. A strip-shaped opening is opened on the inner wall of the guide plate 14. A lever 16 is fixedly connected to the rod wall of the push-pull rod 15. The lever 16 is slidably disposed on the inner wall of the strip-shaped opening.
[0026] The electric push rod 13 can push the push-pull rod 15 to move, causing the lever 16 to slide along the inner wall of the strip opening, which can make the guide plate 14 swing, and can guide the airflow inside the housing 1. It can accurately guide the gas flowing out of the device according to the usage requirements, while the dust filter 4 can prevent outdoor impurities and dust from flowing into the building through the housing 1 with the airflow.
[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A ventilation device for building construction, comprising a housing (1), characterized in that: A connecting frame (2) is fixedly connected to the inner wall of the housing (1). A fan (3) is fixedly connected to one end of the connecting frame (2) away from the housing (1). Multiple air inlets are provided on the side wall of the housing (1). A fixing rod (5) is fixedly connected to the inner wall of the housing (1) at the air inlet. An air inlet plate (6) is movably sleeved on the rod wall of the fixing rod (5). A first electric push rod (7) is fixedly connected to the inner wall of the housing (1). The piston rod of the first electric push rod (7) A connecting rod (8) is fixedly connected to the end. A sliding groove is provided on the inner wall of the air inlet of the housing (1). A transmission rod (9) is slidably provided on the inner wall of the sliding groove. The connecting rod (8) is fixedly connected to the transmission rod (9). A plurality of first teeth (10) are fixedly connected to the upper surface of the transmission rod (9). A plurality of second teeth (11) are fixedly connected around the side wall of the air inlet plate (6). The plurality of first teeth (10) are respectively meshed with the plurality of second teeth (11).
2. A ventilation device for building construction according to claim 1, characterized in that: A dust filter (4) is fixedly connected to the side of the housing (1) away from the fan (3).
3. A ventilation device for building construction according to claim 1, characterized in that: The end of the air-guiding plate (6) facing away from the fixed rod (5) is fixedly connected to a sealing gasket (12), and the side wall of the sealing gasket (12) is fitted to the inner wall of the housing (1) located at the air inlet.
4. A ventilation device for building construction according to claim 1, characterized in that: The bottom end of the connecting rod (8) is rounded, and the inner wall of the housing (1) at the air inlet is set as an inclined surface.
5. A ventilation device for building construction according to claim 1, characterized in that: The upper surface of the housing (1) is fixedly connected to a second electric push rod (13), and the inner wall of the housing (1) is hinged with a plurality of guide plates (14). The piston rod end of the second electric push rod (13) is fixedly connected to a push-pull rod (15), and the rod wall of the push-pull rod (15) is slidably disposed on the side wall of the guide plate (14).
6. A ventilation device for building construction according to claim 5, characterized in that: The inner wall of the guide plate (14) is provided with a strip-shaped opening, and a lever (16) is fixedly connected to the rod wall of the push-pull rod (15). The lever (16) is slidably disposed on the inner wall of the strip-shaped opening.