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25 results about "Air well" patented technology

An air well or aerial well is a structure or device that collects water by promoting the condensation of moisture from air. Designs for air wells are many and varied, but the simplest designs are completely passive, require no external energy source and have few, if any, moving parts.

roof drill (four-cylinder two-column)

ActiveCN309735726SStructural engineeringAir well
1. The name of the design product: roof rig (four oil cylinders and two vertical columns). 2. The use of the design product: used for the construction of ventilation shaft, chute shaft, cable and water pipe arrangement shaft in underground mine. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:HUNAN CHUANGYUAN HIGH TECH MACHINERY CO LTD

Building energy-saving air conditioning system

The invention discloses an energy-saving air conditioning system for a building. The energy-saving air conditioning system comprises a ventilation shaft, a tunnel air pipe, a TLambert wall, a sky radiation layer and a heat storage layer. The heat storage layer is arranged at the top of the ventilation shaft; the TLambert wall is arranged on the sunny side of the ventilation shaft and is relatively close to the top of the ventilation shaft; the sky radiation layer is arranged on the shady side of the ventilation shaft and is relatively close to the bottom of the ventilation shaft; the tunnel air pipe is used for being communicated with or disconnected from the bottom of the ventilation shaft so that temperature difference can be formed in the ventilation shaft and air can be driven to flow from bottom to top. A condensation face is arranged in the ventilation shaft, and the condensation face is located on an air flowing path and used for dehumidifying air. A coupled passive cooling and dehumidifying building energy-saving air conditioning system is formed by tunnel air, sky radiation, a Tembert wall, phase change heat storage and a condensing surface, and the cooling and dehumidifying effects can be achieved by completely depending on renewable low-grade natural energy without mechanical driving such as a fan or a compressor.
Owner:GUANGDONG OCEAN UNIVERSITY

A ventilation parameter processing method and system for a global water-rich karst tunnel with small cross-section and multiple shafts

PendingCN122447123AAir volumeAir velocity
The application discloses a kind of ventilation parameter processing method and system for the whole world water-rich karst tunnel small section multi-shaft, comprising the following steps: determining small section shaft clearance diameter D And single well ventilation capacity, and determine the upper limit of main hole design wind speed to obtain the maximum wind capacity of main hole;Select control need air volume index, calculate the air volume and establish relative index, determine the critical distance L 1 when relative index reaches limit value L First exhaust shaft is arranged near L 1 And downstream air supply shaft constitutes "one exhaust one supply" ventilation unit, according to different section relative index check and iterative arrangement of multiple groups of shafts form shaft group, so that downstream available air volume meets the next partition air volume.The application replaces the traditional large-diameter ventilation shaft by adopting small-section shaft group suitable for mechanized construction, which can reduce the construction risk of shaft in the whole water-rich karst section, reduce the exposure of underground personnel, and improve the engineering applicability and construction safety.
Owner:HUBEI COMMUNICATIONS INVESTMENT BACHU CONSTRUCTION MANAGEMENT CO LTD +1

Pump-drive-free super-long gravity assisted heat pipe type refrigerating system applied to deep mine

The invention discloses a pump-drive-free super-long gravity assisted heat pipe type refrigerating system applied to a deep mine, and belongs to the technical field of mine heat management and energy conservation. The system comprises a super-long gravity heat pipe, an air cooler, a condensation evaporator, a surface air cooler and related pipelines. The super-long gravity heat pipe extends to a mine tunneling layer, underground heat is absorbed through the air cooler, a working medium is evaporated into steam in the heat pipe and naturally ascends to the condensation evaporator, and the heat is transmitted to the working medium of the heat pump at the position. And the liquid working medium is further condensed by the surface air cooler and enters circulation. The system uses gravity and steam pressure difference to drive the heat pipe working medium to circulate, a pump does not need to serve as a power source, underground equipment is simplified, and energy consumption is reduced. Meanwhile, the system can be flexibly arranged in a ventilation shaft or other proper positions according to the actual situation of the mine. The system is simple in structure, reliable in operation, energy-saving and efficient, and meets the requirements of efficient cooling and heat management of deep mines.
Owner:GUANGZHOU INST OF ENERGY CONVERSION CHINESE ACAD OF SCI

Self-driven rotating ring gravel-throwing device and synchronous well washing method

The present application relates to the technical field of gravel filling well completion in drilling engineering, and particularly relates to a self-driven rotary annular gravel throwing device and a synchronous well washing method, which comprises a moving platform, a gravel storage hopper integrated on the moving platform, a slurry pump, a water gravel pipe, an annular gravel thrower, a self-driven rotary conical blocking cap, a slurry suction pipe, a slurry suction pump, a mud purification device and an air compressor; a hoisting arm is arranged at the front end of the moving platform, a hoisting cable is arranged at the front end of the hoisting arm, the lower end of the hoisting cable is connected with the slurry suction pump and the slurry suction pipe, and the hoisting cable can be telescoped up and down to drive the slurry suction pump and the slurry suction pipe to move up and down in the well wall pipe, and the method comprises S1, installation and early preparation of the self-driven rotary annular gravel throwing device; S2, self-driven rotary annular gravel throwing; S3, air well washing; and S4, continuous mud purification, and the self-driven rotary uniform gravel throwing and water flow guidance compaction do not need additional power.
Owner:SHENYANG DIBO CONSTR ENG CO LTD

Passive flood barrier

PendingUS20260098419A1Flood panelsShutters/ movable grillesEnvironmental engineeringAir well
A passive flood barrier that self-deploys to prevent or limit the passage of flood water through an opening in a structure such as a ventilation shaft. The passive flood barrier device includes a buoyant volume extending across at least a portion of the structural opening. The buoyant volume is configured to float in response to flood water near the structural opening. A flexible flood barrier is coupled to the buoyant volume. The flexible flood barrier is deployable from the buoyant volume as the buoyant volume travels upward in response to flood water near the structural opening.
Owner:PS INDUSTRIES INCORPORATED

Building energy-saving air conditioning system

The application discloses a building energy-saving air conditioning system, which comprises a ventilation shaft, an underground air pipe, a Trombe wall, a sky radiation layer and a heat storage layer; the heat storage layer is arranged at the top of the ventilation shaft; the Trombe wall is arranged at the sunny side of the ventilation shaft and is arranged close to the top of the ventilation shaft; the sky radiation layer is arranged at the shady side of the ventilation shaft and is arranged close to the bottom of the ventilation shaft; the underground air pipe is used for being communicated with or being cut off from the bottom of the ventilation shaft, so that the inside of the ventilation shaft can form a temperature difference and drive air to flow from bottom to top; a condensing surface is arranged in the ventilation shaft and is located on an air flow path, so as to dehumidify the air. The building energy-saving air conditioning system is coupled with passive cooling and dehumidification and is composed of the underground air pipe, the sky radiation, the Trombe wall, the phase change heat storage and the condensing surface, and can realize the effects of cooling and dehumidification by relying on renewable low-grade natural energy without the mechanical driving of a fan or a compressor.
Owner:GUANGDONG OCEAN UNIVERSITY

A shuttle receiving well

The present application belongs to the technical field of receiving well, and particularly relates to a shuttle-shaped receiving well, which comprises a receiving well main body, a bottom plate arranged at the bottom of the receiving well main body, a top pipe insertion hole arranged on the side of the receiving well main body and communicated with a top pipe, a support plate arranged in the receiving well main body, a climbing assembly arranged on the support plate, an upper cover component arranged on the upper end of the receiving well main body, and a shuttle-shaped structure of the receiving well main body. The shuttle-shaped structure of the receiving well main body has good streamline and a water resistance ratio of 3%, which meets the requirement that the water resistance ratio is not greater than 15%. In addition, the receiving well main body can also be used as a ventilation well, and the upper opening of the receiving well main body is provided with an upper cover component to prevent rainwater, floating objects and the like from falling into the receiving well main body, so that the cleanliness and relative dryness of the receiving well main body are maintained.
Owner:CCCC FOURTH HARBOR ENG CO LTD +1

Passive flood barrier

PCT designated stageWO2026080625A1Flood panelsShutters/ movable grillesEnvironmental engineeringAir well
A passive flood barrier that self-deploys to prevent or limit the passage of flood water through an opening in a structure such as a ventilation shaft. The passive flood barrier device includes a buoyant volume extending across at least a portion of the structural opening. The buoyant volume is configured to float in response to flood water near the structural opening. A flexible flood barrier is coupled to the buoyant volume. The flexible flood barrier is deployable from the buoyant volume as the buoyant volume travels upward in response to flood water near the structural opening.
Owner:PS INDUSTRIES INCORPORATED

Inverted drill pipe

ActiveCN309801991SLine tubingWell drilling
1. The name of the design product: anti-well drilling rod. 2. The use of the design product: in the construction of small mine shaft, underground pipeline ventilation well construction, micro-slip shaft excavation and water and electricity tunnel engineering in restricted space inclined shaft construction, cooperate with equipment to drill guide hole or inclined shaft to meet the needs of mining, ventilation, material transportation and pipeline laying. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The top view, bottom view and front view are the same, and the top view and bottom view are omitted.
Owner:CANGZHOU GREAT DRILL

Ventilation device for underground fire engineering

The utility model relates to the technical field of ventilation devices, in particular to an underground fire engineering ventilation device. According to the technical scheme, the ventilation system comprises a ventilation shaft and further comprises a ventilation pipe fixedly communicated with one side of the ventilation shaft, a filter pipe is arranged in the ventilation pipe, filter screens are fixedly installed in the filter pipe and comprise a low-efficiency filter screen, a medium-efficiency filter screen and a high-efficiency filter screen, and a plurality of sets of cleaning brushes are rotatably installed in the filter pipe. According to the utility model, dust of particles with different sizes can be filtered in a grading manner, fine dust is prevented from entering the fan, the filtering effect is improved, the abrasion to the fan is reduced, and the service life of the fan is prolonged; meanwhile, dust is prevented from being accumulated on the filter screen through the cleaning brushes on the two sides of the filter screen, the permeability of the filter screen is kept, meanwhile, the vibration motor is matched to promote the dust attached to the filter screen to fall off, and the cleaning effect on the filter screen is further enhanced.
Owner:SHENZHEN NO 1 CONSTRUCTION ENGINEERING CO LTD

Ventilation shaft of urban underground comprehensive pipe gallery

The invention discloses a ventilation shaft of an urban underground comprehensive pipe gallery, and belongs to the technical field of urban underground infrastructure, the ventilation shaft comprises a shaft mechanism, the lower end of the shaft mechanism is connected with a ventilation pipe gallery, the upper end of the shaft mechanism protrudes out of the ground, and a ventilation mechanism is installed in the shaft mechanism; according to the underground pipe gallery cleaning device, the parts such as the ventilation mechanism, the transmission mechanism and the wiping mechanism are arranged, a servo motor of the ventilation mechanism drives ventilation fan blades to achieve the ventilation function, and meanwhile an output bevel gear and a transmission gear are synchronously driven to be in meshing transmission; the two symmetrical transmission mechanisms are driven by the transmission shaft to operate, the inner cleaning brush is driven to slide along the guide frame through linkage of the first connecting rod and other components, the inner cleaning brush is in linkage with the outer wiping brush of the wiping mechanism through the magnetic adsorption effect to synchronously move, and the inner cleaning brush and the outer wiping brush synchronously wipe the inner wall and the outer wall of the light-transmitting window correspondingly.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD

Ventilation control method, device and equipment for refuse landfill and medium

The invention discloses a ventilation control method, device and equipment for a refuse landfill and a medium, and the method comprises the steps that a target refuse landfill is scanned through a geological radar to obtain first radar data; constructing a permeability coefficient three-dimensional model based on a first radar data method; determining permeability attributes of different areas in the target refuse landfill based on the permeability coefficient three-dimensional model; and corresponding ventilation device configuration parameters are determined based on the permeation attributes of all the areas in the target refuse landfill, and ventilation control is conducted on the corresponding areas of the target refuse landfill based on all the ventilation device configuration parameters. According to the method, the permeability model for the refuse landfill is automatically constructed based on the radar data, the configuration parameters of the ventilation devices such as the ventilation shaft are determined based on the permeability parameters of the different areas corresponding to the model, and compared with a scheme of adjusting parameters according to artificial experience, the permeability uniformity of the refuse layer in the refuse landfill can be effectively improved; further, the garbage degradation period is shortened.
Owner:CHINA POWER CONSTR GRP MUNICIPAL PLANNING & DESIGN INST CO LTD +1

A high temperature dechlorination oven

ActiveCN224681232UChemical adsorptionAir well
The utility model relates to a high temperature dechlorination oven, including box, track piece, moving platform, thermal cycle mechanism, install moving platform with track piece in the box, track piece is used for moving platform activity adjustment, starts heating pipe to the heating in heating box, heating box bottom is equipped with heat conduction plate, transmits the heat to the box, and starts the air inlet fan, is equipped with the filter screen at the air inlet fan air inlet, intercepts sundries, and air passes through the heat insulation air inlet pipe and enters the heat pipe, and the heat pipe is in the heating box and is distributed in the shape of a snake, prolongs the air circulation path, makes the air better heat, and hot air is discharged from the air frame through the exhaust pipe piece, and the air frame blows the hot air to the vice seat and the main seat, because the arc surface of the vice seat surface near the air frame side, can guide the hot air upwards to the object of dechlorination, and the object is placed on the porous ceramic frame, because the porous ceramic frame is modified through the surface, the capture ability to the chlorine-containing gas is enhanced through the chemical adsorption, and the dechlorination effect will be significantly improved.
Owner:HUANGSHAN 777 ELECTRONICS CO LTD

Data safety device for on-demand ventilation and heat supply of high-altitude and high-cold mine

The utility model discloses a data safety device for on-demand ventilation and heat supply of a high-altitude and high-cold mine. Comprising a frequency conversion fan (1) fixed at a ventilation well mouth and a footrill mouth, an air door (2) fixed at a branch of a ventilation roadway, waste heat recovery equipment (3) fixed at an air return well mouth and a roadway, electric heating equipment (4) fixed at an air inlet well mouth and the footrill mouth, and a temperature sensor (5) and an air speed sensor (6) which are arranged in a mine roadway and a shaft, the application server (8), the controller (9) and the industrial personal computer (10) are connected with the data security module (7); single-channel communication and risk isolation of the safety side and the edge side are strictly controlled, all equipment, control and information data integration are reliable and safe, on-demand ventilation and normal operation of a heat supply device are guaranteed, on-demand ventilation and heat supply are adjusted in real time for the underground environment, energy consumption is reduced, meanwhile, a safe and stable operation environment is provided, and the energy consumption is reduced. And the safety of underground operation in an extreme environment is ensured.
Owner:YUNNAN DIQING NONFERROUS METAL CO LTD

Flushing device and storage pond

The flushing device comprises a first pipeline, the two ends of the first pipeline are connected with a water inlet end and a water outlet end respectively, the water inlet end at least comprises two water inlets, and the first pipeline is provided with a first angle control assembly and a second angle control assembly which are used for adjusting the water spraying direction of the water outlet end; a mounting point close to the water inlet is formed on the water inlet end; during installation, the installation point of the water inlet end is installed on the inner wall of the storage tank, so that the flushing device is close to the ventilation shaft. The flushing device is arranged at the top of the storage pond and is arranged at the same position as the ventilation shaft, daily maintenance and replacement of the flushing device are facilitated, operation can be performed without emptying pond water, and therefore it is ensured that the flushing function of the storage pond can be continuously and effectively operated.
Owner:WUHAN HANYANG MUNICIPAL CONSTR GRP CO LTD +1

Multi-scale composite greenbelt cooling structure and construction method thereof

The invention discloses a multi-scale composite greenbelt cooling structure and a construction method thereof, and the construction method comprises the following steps: constructing a ground surface cold storage layer composed of a permeable surface layer, a capillary cold storage layer and a cold source substrate layer to form a continuous evaporation cold source; an evapotranspiration enhanced vegetation layer of a vertical structure of arbor, shrub, grass and ground cover is configured to synergistically increase the air humidity and form a sparse ventilation passage; installing an air guide-shading composite layer with a gap type shading grating and adjustable air guide blades to attenuate radiation and guide airflow; an aerodynamic coupling structure comprising a vertical ventilation shaft and a horizontal ventilation gallery is constructed so as to collect and directionally convey cold air; the air guide blades and the humidification or water supply assembly are dynamically adjusted on the basis of environmental parameters so as to optimize cooperative operation, the corresponding system comprises all the layers and an intelligent control system which are in space coupling, and continuity, stability and adjustable output of the cooling effect in the limited green space are achieved through multi-mechanism space coupling and process collaboration.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Arrangement for attaching a tubular gas sampling probe and use of such an arrangement in an air shaft

UndeterminedCH721261B1Air wellMechanics
The invention relates to an arrangement for attaching a tubular gas sampling probe (1) with at least one gas sampling inlet opening (2) arranged at the end of the tube to a channel wall defining a gas flow channel, the channel wall having a channel wall opening whose shape and size allow a section of the gas sampling probe (1) having the gas sampling inlet opening (2) to pass through.The arrangement comprises the following components: - the gas sampling probe (1), - a plate-shaped fastening element (13) that can be attached to the channel wall and has an opening which, when attached to the channel wall, completely overlaps the channel wall opening and has an internal thread, - a support tube (9) which has at its tube end a joining contour (11) with an external thread contoured to the internal thread for detachably tight joining to the opening of the plate-shaped fastening element (13), - a fastening element (10) attached to the support tube (9) for detachably fixing the gas sampling probe (1) inside the support tube (9), and - at least one line marking (8) attached to the gas sampling probe (1) as well as to the support tube (9) and / or to the plate-shaped fastening element (13).8'), which indicates at least an orthogonal distance to the channel wall between the gas sampling inlet opening (2) and the channel wall, as well as a relative rotational position between the gas sampling probe (1) and the support tube (9). The invention also relates to the use of this arrangement for air sampling in an air duct of a ventilation system.
Owner:DOMATEC GMBH

Urban underground comprehensive pipe gallery ventilation shaft with protection structure

The urban underground comprehensive pipe gallery ventilation shaft with the protection structure comprises a ventilation shaft body, a ventilation opening is formed in the top of the ventilation shaft body, and a mounting face is arranged on the peripheral side of the ventilation opening; the installation cover is installed on the installation face in a detachable connection mode, and the installation cover covers the ventilation opening; the dustproof cover is arranged on the outer side of the mounting cover in a sleeving mode in a detachable connection mode, matched ventilation holes are formed in the mounting cover and the dustproof cover, and a dustproof net is arranged on the ventilation holes of the dustproof cover; and the fan equipment is arranged in the mounting cover and conveys air into the ventilation opening through the ventilation hole. The detachable mounting cover is arranged on the mounting surface on the outer side of the ventilation opening, so that the ventilation opening is protected. When the fan equipment sucks and extracts outside air, dust and impurities in the outside air can be isolated by the dustproof net at the ventilation hole of the dustproof cover, so that the dust is prevented from being accumulated at the ventilation hole and the fan equipment, and the effect of preventing dust accumulation is achieved. And moreover, the dustproof cover and the mounting cover are detachably connected, so that the dustproof cover and the dustproof net can be detached and cleaned conveniently, and the dustproof net is prevented from being blocked.
Owner:MCC SOUTHERN CITY CONSTR ENG TECH CO LTD +1

Dehumidifying and ventilating device for airport comprehensive pipe gallery

The utility model relates to the technical field of pipe gallery nursing, in particular to a dehumidification and ventilation device for an airport comprehensive pipe gallery, which comprises a pipe gallery, two ventilation shafts are fixed at the top of the pipe gallery, a fan is arranged at the bottom of each ventilation shaft, an air inlet box is fixed inside the pipe gallery, and a heating box is arranged at the right end of the air inlet box. A heating plate is fixed in the heating box, a dehumidifier is fixedly connected into the pipe gallery through bolts, a water outlet pipe is fixed to the bottom of the dehumidifier, a dehumidification inlet pipe is fixed to the left end of the dehumidifier, a dehumidification flow meter is fixed to the right end of the dehumidification inlet pipe, and a filter pipe is fixed to the left end of the dehumidification flow meter through a flange. A filtering disc is arranged at the left end of the filtering pipe, and a plurality of locking rods are arranged at the left end of the filtering disc; external air can be sucked into the air inlet box through forward rotation of the fan at the left end, air in the pipe gallery can be exhausted through reverse rotation of the fan at the right end, and therefore circulation is achieved, and the air circulation efficiency is guaranteed.
Owner:QINGDAO INT AIRPORT GRP CO LTD

Rail transit ventilation device with dustproof function

The utility model discloses a rail transit ventilation device with a dustproof function, which relates to the technical field of ventilation equipment and comprises a cement bottom plate and a ventilation shaft, the ventilation shaft communicated with the inside of a rail transit station is arranged in the middle of the cement bottom plate, and a filter screen cylinder is inserted into the ventilation shaft. A base is installed on a cement bottom plate outside the filter screen cylinder, a protection box is installed on the base, the front face of the protection box is in an inverted isosceles trapezoid shape, ventilation openings are formed in the two sides of the protection box, dust baffles are installed on the ventilation openings, an upper cover is arranged at the top of the protection box, and first screws are arranged at the four corners of the upper cover. According to the ventilation shaft protection device, the protection box with the front face in the shape of the inverted isosceles trapezoid is arranged, the dust boards are arranged on the two sides of the protection box, and the filter screen cylinder capable of being installed on the ventilation shaft is arranged in the protection box, so that double dustproof and waterproof protection on the ventilation shaft can be achieved.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

Embedded rainwater utilization system

The utility model relates to an embedded rainwater utilization system which comprises a water collecting well, a flow dividing well, a flow abandoning well, a water storage pond and a rainwater treatment device. The flow dividing well is arranged on the left side of the water collecting well, and an overflow pipe is arranged in the flow dividing well and connected with a municipal sewage header pipe; the discarding well is arranged on the right side of the water-collecting well, a floating ball and a discarding pipe are arranged in the discarding well, the left end of the discarding pipe is communicated with the water-collecting well, and the right end is communicated with the reservoir; the water storage tank is arranged on the right side of the discarding well and is a concrete tank body built underground; the right end of the water storage tank is connected with a water replenishing pipe, and the water replenishing pipe is provided with a backflow preventer and connected with a municipal water supply pipe network; the rainwater treatment device is arranged on the ground, the water diversion side of the rainwater treatment device is connected with the water storage pond, the water drainage side of the rainwater treatment device is connected with the civil engineering valve well, and then the rainwater treatment device is connected into a municipal water pipeline. And the pipeline is matched with the original pipeline height.
Owner:THE FOURTH CONSTR ENG COMPANY LTD OF CHINA CONSTR SECOND ENG BUREAU

A district cooling system, and methods of operating and constructing the same

PCT designated stageWO2026111643A1District heating systemMechanical apparatusAir wellVentilation shaft
An aspect of the present disclosure provides a district cooling system including a cooling loop configured to cool one or more buildings, a conduit configured to draw water from a water body for cooling the cooling loop and a channel configured to receive the water that has been used to cool the cooling loop and to discharge the water into the water body The channel includes one or more ventilation shafts provided at least partially along the channel to cool the water in the channel. The cooling loop is thermally coupled to and fluidly isolated from the conduit.
Owner:KEPPEL DATA CENTS HLDG PTE LTD

Ventilation well lid of valve well

The utility model belongs to the technical field of airport apron valve well maintenance, and particularly relates to a valve well ventilation well lid which comprises a lid body, the lid body is provided with multiple sets of ventilation openings and a groove, the multiple sets of ventilation openings are circumferentially distributed in the outer wall of the lid body, reinforcing ribs are arranged on the inner wall of the lid body, a dustproof net is arranged in the lid body, and the groove is formed in the outer wall of the lid body. The rotating block penetrates through the cover body and is rotationally connected with the cover body, and a hexagonal groove is formed in the top end of the rotating block. According to the ventilation well lid of the valve well, the multiple sets of ventilation openings distributed in the circumference are formed in the lid body, natural circulation of air in the valve well can be efficiently achieved, the good ventilation effect is ensured, meanwhile, the conical dustproof net is arranged in the lid body, dust and impurities can be effectively prevented from entering the valve well through the ventilation openings, and the ventilation effect is improved. The unique conical shape can prevent impurities from being accumulated on the outer wall of the dustproof net, dual protection of ventilation and dust prevention is provided for the valve well, and the stability of the internal environment of the valve well is maintained.
Owner:中国航空油料有限责任公司

A building vent shaft rain deflector

ActiveCN224678893UStructural engineeringAir well
The utility model relates to building ventilation shaft technical field especially a building ventilation shaft rain baffle, including first connecting plate, the lower surface of first connecting plate is provided with second sealing strip, the lower surface of first connecting plate is butt joint with second connecting plate, the lower surface of second connecting plate is butt joint with first sealing strip, first sealing strip and second sealing strip all are U shape structure, it is fixed between first connecting plate and second connecting plate through fixed mechanism, one end of first connecting plate is fixedly connected with sealing part, sealing part with second sealing strip all with second connecting plate abut, first connecting plate and second connecting plate are connected with ventilation shaft through connecting mechanism. The utility model is convenient for adapting to the ventilation shaft of different length, has expanded the use range of rain baffle.
Owner:童九树