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CN-224229271-U - Totally-enclosed air volume control valve for ventilating duct

CN224229271UCN 224229271 UCN224229271 UCN 224229271UCN-224229271-U

Abstract

The utility model discloses a full-closed air quantity control valve for a ventilating duct. The utility model relates to a ventilating duct technical field adopts including valve body, first valve plate, filter equipment, one side of valve body is provided with the transmission case. According to the utility model, the driving motor is started to drive the first rotating rod to rotate, the first rotating rod drives the main gear and the first valve plate to rotate at the same time, the main gear drives the driven gear to rotate, and the driven gear drives the second rotating rod to rotate at the same time, and the second rotating rod drives the second valve plate to rotate until the section of the valve body is closed, so that the first sealing plate arranged at the lower end of the upper second valve plate is tightly attached to the second sealing plate arranged at the upper end of the first valve plate, and the second sealing plate arranged at the upper end of the lower second valve plate is tightly attached to the first sealing plate arranged at the lower end of the first valve plate, thereby preventing air from passing through a gap and further ensuring the tightness of the air quantity control valve in use.

Inventors

  • CAI LEI

Assignees

  • 康氏通风科技(江苏)有限公司

Dates

Publication Date
20260512
Application Date
20250326

Claims (7)

  1. 1. A totally-enclosed air volume control valve for a ventilating duct is characterized by comprising a valve body (1), a first valve plate (7) and a filtering device (14), wherein a transmission case (3) is arranged on one side of the valve body (1), a driving motor (4) is arranged on one side of the transmission case (3), a first rotating rod (5) is installed at the output end of the driving motor (4), the first rotating rod (5) is arranged in the valve body (1) in a penetrating manner, a main gear (6) is arranged on the periphery of the first rotating rod (5) and positioned in the transmission case (3), a first valve plate (7) is arranged on the periphery of the first rotating rod (5) and positioned in the valve body (1), two driven gears (8) are connected to the main gear (6) in a meshed manner, a second rotating rod (9) is arranged on the other side of the driven gears (8), a second rotating rod (9) is arranged in the valve body (1) in a penetrating manner, a second valve plate (15) is arranged on the periphery of the second rotating rod (9) in the valve body (1), a first valve plate (7) in a penetrating manner, a first valve plate (7) is provided with a sealing plate (10) is arranged at the top end of the first valve plate (11), the front surface of the valve body (1) is fixedly provided with a filter device (14) through a fixing bolt.
  2. 2. The fully-closed air quantity control valve for the ventilating duct, as set forth in claim 1, is characterized in that through holes (2) are formed in the corners of the valve body (1).
  3. 3. The fully-closed air volume control valve for the ventilating duct according to claim 1, wherein a first sealing strip (7.1) is arranged at the inner bottom end of the valve body (1), and a second sealing strip (7.2) is arranged at the inner top end of the valve body (1).
  4. 4. The fully-closed air quantity control valve for the ventilating duct according to claim 1, wherein a plurality of first baffles (12) and second baffles (13) are arranged on the side wall of the valve body (1) at equal intervals.
  5. 5. The fully-closed air volume control valve for the ventilating duct according to claim 1, wherein sealing gaskets (7.3) are arranged on one side of the upper end and the other side of the lower end of the first valve plate (7).
  6. 6. The fully-closed air volume control valve for the ventilating duct according to claim 1, wherein the first valve plate (7) and the second valve plate (15) have the same structure.
  7. 7. The fully-closed air volume control valve for the ventilating duct according to claim 1, wherein the filtering device (14) comprises a filtering box (14.1), the filtering box (14.1) is in a through hole shape, the filtering box (14.1) is movably connected with a frame (14.2), a filter screen (14.3) is arranged in the frame (14.2), a handle (14.4) is arranged at the top end of the frame (14.2), sliding blocks (14.5) are arranged on two sides of the frame (14.2), sliding grooves (14.6) are formed in the inner wall of the filtering box (14.1), and sliding connection is formed between the sliding blocks (14.5) and the sliding grooves (14.6).

Description

Totally-enclosed air volume control valve for ventilating duct Technical Field The utility model relates to the technical field of ventilation pipelines, in particular to a fully-closed air quantity control valve for a ventilation pipeline. Background The fixed air quantity control valve is supporting equipment for controlling the air flow in the ventilating duct, and the heights of infrastructures such as buildings are higher and higher, but the ventilating duct cannot uniformly send the air to each room, and the fixed air quantity control valve is required at the moment, so that along with the continuous development of technology, the requirements of people on the manufacturing process of the fixed air quantity control valve are higher and higher. In the prior art, in the use process of a traditional constant air volume control valve, after a valve plate of the constant air volume control valve is closed, gaps still exist between the valve plate and between the valve plate and the inner wall of the valve body, so that air still passes through the gaps after the constant air volume valve is closed, and the tightness of the constant air volume control valve in use cannot be ensured. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a fully-closed air volume control valve for a ventilating duct, which solves the problems proposed by the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a totally closed amount of wind control valve for air pipe, includes valve body, first valve plate, filter equipment, one side of valve body is provided with the transmission case, one side of transmission case is provided with driving motor, driving motor's output installs first dwang, first dwang wears to establish and sets up in the valve body, the periphery of first dwang just is located the transmission case and is provided with the master gear, the periphery of first dwang just is located the valve body and is provided with first valve plate, the master gear meshing is connected with two driven gears, the opposite side of driven gear is provided with the second dwang, the second dwang wears to establish and sets up in the valve body, the periphery of second dwang just is located the valve body and is provided with the second valve plate, first valve body is two-way sword shape, the bottom of first valve body is provided with first closing plate, the top of second valve plate is provided with the second closing plate, the front of valve body is through fixing bolt fixed mounting filter equipment. Preferably, through holes are formed in the corners of the valve body. Preferably, a first sealing strip is arranged at the bottom end of the valve body, and a second sealing strip is arranged at the top end of the valve body. Preferably, the side wall of the valve body is provided with a plurality of first baffles and second baffles at equal intervals. Preferably, a sealing gasket is arranged on one side of the upper end and the other side of the lower end of the first valve plate. Preferably, the first valve plate and the second valve plate have the same structure. Preferably, the filter device comprises a filter box, the filter box is in a through hole shape, the filter box is movably connected with a frame, a filter screen is arranged in the frame, a handle is arranged at the top end of the frame, sliding blocks are arranged on two sides of the frame, sliding grooves are formed in the inner wall of the filter box, and the sliding blocks are connected with the sliding grooves in a sliding mode. Compared with the prior art, the utility model has the following beneficial effects: according to the fully-closed air quantity control valve for the ventilating duct, the driving motor is started to drive the first rotating rod to rotate, the first rotating rod drives the main gear and the first valve plate to rotate at the same time, the main gear drives the driven gear to rotate, the driven gear drives the second rotating rod to rotate, the second rotating rod drives the second valve plate to rotate, at the moment, the first valve plate and the second valve plate are abutted against the first baffle plate and the second baffle plate, so that the cross section of the valve body is closed, through the matched use of the first baffle plate and the second baffle plate, a gap formed between the first valve plate, the second valve plate and the inner wall of the valve body is sealed, a first sealing plate arranged at the lower end of the second valve plate above the first sealing plate is tightly attached to a second sealing plate arranged at the upper end of the second valve plate below the first sealing plate, and a gap formed between the first valve plate and the second valve plate is tightly attached to the first sealing plate, and at the lower end of the second sealing strip is tightly attached