Building air duct sealing structure

Abstract

The utility model relates to the technical field of building ventilation structures, and particularly discloses a building air duct sealing structure which comprises a building air duct, a conical pipe head and an air pipe which are connected end to end are embedded in the building air duct, and an axial flow fan and an air duct valve plate are sequentially arranged in the air pipe from left to right. A servo motor used for driving the air duct valve plate to rotate by an angle is fixedly arranged at the top of the air pipe, a frame is detachably installed on the end face of the conical pipe head through bolts, a filtering structure is detachably installed in the frame through screws, and a dust filtering core is clamped in the filtering structure. According to the technical scheme, the filtering structure is arranged at the outlet of the air pipe and used for filtering sand and dust in the building air duct, so that air fed into a room is prevented from carrying the sand and dust, the filtering structure can be taken out by detaching screws at the top, the filtering structure can be cleaned conveniently, a dust filtering core can be replaced conveniently, and follow-up maintenance and cleaning work is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to building ventilation structure technical field, concretely is a building body air duct airtight structure. BACKGROUND

[0002] Building body air duct is a kind of using large fan, outdoor gas is extracted and is sent into each room by fan airflow, reaches the effect of cooling ventilation, compared with air conditioning equipment, building body air duct's ventilation mode is more energy saving and environmental protection. By searching the application number (201320299034.6), a kind of house temperature cycle control system is disclosed. In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art have not been solved;In hot summer or winter, room needs to open cold or heating, wind channel needs to be plugged at this time, otherwise cold or heating will be lost from building air duct, to increase energy consumption, secondly, the airflow of wind channel is mixed with dust, and indoor environment is easily polluted when being sent into room, and needs to be improved, therefore, we propose a kind of building body air duct airtight structure. UTILITY MODEL CONTENT

[0003] The utility model is to provide a kind of building body air duct airtight structure, solve the problem proposed in background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of building body air duct airtight structure, including building air duct, conically shaped pipe head and air pipe that are sequentially connected in building air duct, air pipe is sequentially provided with axial fan and air duct valve plate from left to right in inside, air pipe top is fixedly provided with servo motor for driving the rotation angle of air duct valve plate, conically shaped pipe head end face is detachably installed with frame by bolt, filter structure is detachably installed with filter structure inside by screw, filter structure inside is clamped with dust filter core.

[0005] Further, the motor shaft of servo motor is coaxially connected with middle shaft, middle shaft penetrates air pipe top and is connected with air duct valve plate by pin key, air duct valve plate is embedded in the inside of round hole seat, and air duct valve plate is embedded in the inside of round hole seat.

[0006] Further, the front and rear faces of filter structure are provided with air-permeable holes, the side surface of filter structure is provided with interlayer cavity, and the dust filter core is embedded in the inside of interlayer cavity.

[0007] Further, a plurality of threaded holes are formed in the top of filter structure, and the screw is connected with the threaded hole in threaded connection.

[0008] Further, the end face of conically shaped pipe head is vertically aligned with the end face of building air duct outlet, and the filter structure is located outside the building air duct outlet.

[0009] Further, the servo motor is electrically connected with a servo controller, the servo controller is electrically connected with a wireless receiver, and the wireless receiver is in communication connection with the remote controller.

[0010] Compared with the prior art, the building air duct structure has the following beneficial effects:

[0011] 1. The filter structure is arranged at the outlet of the air pipe, and is used for filtering dust in the building air duct, so that dust is not carried into the room by the air, the filter structure can be taken out by detaching the screw at the top, the filter structure can be cleaned and the dust filter core can be replaced, and subsequent maintenance and cleaning work is facilitated.

[0012] 2. The servo motor is used for controlling the air duct valve plate to rotate to be parallel to the round hole seat, the building air duct is temporarily blocked when the air conditioner is started in summer, air conditioning loss from the building air duct is reduced, energy saving is achieved, and the wireless receiver is used in cooperation with the remote controller to perform remote control, and the control mode is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0014] Figure 1 It is an exploded view of the building air duct closed structure;

[0015] Figure 2 It is an exploded view of the filter structure;

[0016] Figure 3 It is a structural schematic view of the air duct valve plate and the air pipe;

[0017] Figure 4 It is a partial sectional view of the air pipe located in the building air duct.

[0018] In the drawings: 1, air pipe; 2, servo motor; 201, round hole seat; 202, air duct valve plate; 3, axial flow fan; 4, conical pipe head; 401, matching screw hole; 5, frame; 501, screw; 502, bolt; 6, filter structure; 601, interlayer cavity; 602, dust filter core; 7, building air duct. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0020] Embodiment 1, as Figures 1-4The utility model provides a technical scheme: a building body air duct closed structure, including building air duct 7, building air duct 7 is inlayed with the head -to -tail connection conical pipe head 4 and air pipe 1, air pipe 1 inside is sequentially provided with axial flow fan 3 and air duct valve plate 202 from left to right, air pipe 1 top is fixedly provided with the servo motor 2 for driving air duct valve plate 202 rotation angle, the end face of conical pipe head 4 is detachably installed with frame 5 through bolt 502, frame 5 is detachably installed with filter structure 6 inside through screw 501, filter structure 6 inside is clamped with filter dust core 602.

[0021] In a specific embodiment of the utility model, the vertical width of the air pipe 1 is 10cm smaller than the vertical width of the building air duct 7, the space is used for installing servo motor, the wide mouth end of the conical pipe head 4 is just arranged in alignment with the air outlet of the building air duct 7, the air pipe 1 is fixed in the building air duct 7 by expansion screw and cushion block, the cushion block is cushioned at the bottom end of the air pipe 1, the frame 5 is attached to the wide mouth end of the conical pipe head 4, the bolt 502 is screwed into the matched screw hole 401 of the wide mouth end of the conical pipe head 4, the filter structure 6 is internally provided with a sandwich cavity 601, the filter dust core 602 can be inserted into the sandwich cavity 601 from the side of the filter structure 6, a plurality of air-permeable holes with a hole diameter of 1.5mm are formed on the front and back of the filter structure 6, the filter structure 6 is embedded in the frame 5, finally the screw 501 is matched with the threaded hole on the top of the filter structure 6, at this time the frame 5 is exposed outside the air outlet of the building air duct 7, which facilitates the subsequent disassembly, maintenance and cleaning of the filter structure 6, the axial flow fan 3 is installed inside the air pipe 1 at a position 5cm away from the conical pipe head 5, the axial flow fan 3 and the servo motor 2 are both connected with the power supply inside the room through electric wires, the servo motor 2 is electrically connected with a servo controller, the servo controller is electrically connected with a wireless receiver, the wireless receiver is communicatively connected with a remote controller, the servo motor controls the rotation angle by receiving pulse signals, according to the specifications and control requirements of the motor, the number of transmitted pulses is determined, the handheld end of the remote controller needs to be programmed so as to associate specific keys or instructions with the transmission of a specific number of pulse signals, an instruction is sent through the handheld end of the remote controller, the instruction is transmitted to the wireless receiver through wireless signals, after receiving the instruction, the wireless receiver converts it into a corresponding pulse signal and sends it to the servo drive, during the rotation of the motor, the actual position of the motor can be monitored in real time through an encoder or other feedback devices.

[0022] In the preferred technical scheme, the motor shaft of the servo motor 2 is coaxially connected with a middle shaft, the middle shaft penetrates the top of the air pipe 1 and is connected with the air duct valve plate 202 through a pin key, a round hole seat 201 is fixedly arranged inside the air pipe 1, the air duct valve plate 202 is embedded inside the round hole seat 201, when the air duct valve plate 202 is horizontally aligned with the round hole seat 201, it is convenient to seal the end of the air pipe 1, thereby closing the building air duct 7.

[0023] In the preferred technical solution, the filter structure 6 is provided with air permeable holes on the front and back surfaces, the air permeable holes are used for air flow, the filter structure 6 is provided with a sandwich cavity 601 on the side surface, and a filter dust core 602 is embedded in the sandwich cavity 601, the filter dust core 602 is used for adsorbing dust in the air flow, and the air flow in the air duct is purified.

[0024] In the preferred technical solution, the filter structure 6 is provided with a plurality of threaded holes at the top, the threaded holes are threadedly connected with screws 501, and the filter structure 6 can be quickly removed for maintenance by disassembling the screws 501 at the top.

[0025] In the preferred technical solution, the end surface of the conical pipe head 4 is vertically aligned with the end surface of the building air duct 7 air outlet, and the filter structure 6 is located outside the building air duct 7 air outlet, so that the filter structure 6 can be conveniently disassembled.

[0026] In the preferred technical solution, the servo motor 2 is electrically connected with a servo controller, the servo controller is electrically connected with a wireless receiver, the wireless receiver is in communication connection with a remote controller, and the building air duct 7 blocking operation can be conveniently and remotely controlled without contact.

[0027] Working principle: in the season with suitable air temperature, the building air duct 7 is opened, at this time, the air duct valve plate 202 needs to be adjusted to be perpendicular to the round hole seat 201, the shaft flow fan 3 is started to suck the air flow in the building air duct 7 into the air pipe 1, and then the air flow is sent into the room after being purified by the filter structure 6, which is used for room ventilation and cooling effect, in the hot season or winter, the building air duct 7 is not needed, and if the building air duct 7 is not blocked after the air conditioner is started, the cold air will be lost, so the air duct valve plate 202 needs to be adjusted to be horizontally aligned with the round hole seat 201, and the shaft flow fan 3 is closed to achieve the energy-saving effect.

Claims

1. A building body air duct sealing structure comprising a building air duct (7), characterized by: The building air duct (7) is embedded with a conical pipe head (4) and an air pipe (1) connected head to tail, the air pipe (1) is provided with an axial flow fan (3) and an air duct valve plate (202) from left to right in sequence inside, the air pipe (1) top is fixedly provided with a servo motor (2) for driving the air duct valve plate (202) to rotate an angle, the conical pipe head (4) end face is detachably installed with a frame (5) through bolts (502), the frame (5) is detachably installed with a filter structure (6) inside through screws (501), and the filter structure (6) is clamped with a dust filter core (602) inside.

2. The building body air duct sealing structure according to claim 1, wherein: The motor shaft of the servo motor (2) is coaxially connected with a middle shaft, the middle shaft penetrates the air pipe (1) top and is connected with the air duct valve plate (202) through a pin key, the air pipe (1) is fixedly provided with a round hole seat (201) inside, and the air duct valve plate (202) is embedded in the round hole seat (201) inside.

3. The building envelope air duct closure of claim 1, wherein: The filter structure (6) is provided with air holes on the front and rear faces, the filter structure (6) is provided with a sandwich cavity (601) on the side face, and the dust filter core (602) is embedded in the sandwich cavity (601) inside.

4. The building envelope air duct closure of claim 3, wherein: The filter structure (6) top is provided with a plurality of threaded holes, and the screw (501) is threadedly connected with the threaded holes.

5. The building envelope air duct closure of claim 1, wherein: The conical pipe head (4) end face is vertically aligned with the air outlet end face of the building air duct (7), and the filter structure (6) is located outside the air outlet of the building air duct (7).

6. The building envelope air duct closure of claim 1, wherein: The servo motor (2) is electrically connected with a servo controller, the servo controller is electrically connected with a wireless receiver, and the wireless receiver is in communication connection with a remote controller.

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