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CN-121993612-A - Self-cleaning air valve

CN121993612ACN 121993612 ACN121993612 ACN 121993612ACN-121993612-A

Abstract

The invention discloses a self-cleaning air valve which comprises an air pipe, a valve plate monomer rotatably arranged in the air pipe, a valve plate rotating assembly arranged on the outer wall of one side of the air pipe and used for driving the valve plate monomer to rotate, and an outer covering shell arranged on the outer peripheral surface of the air pipe, a corner detecting assembly arranged on the outer wall of the other side of the air pipe and used for detecting the rotation angle of the valve plate monomer, and a double-sided linear scraping assembly arranged at the positions of the two axial ends of the air pipe in a two-to-one and mirror symmetry structure mode. The invention utilizes the bidirectional traction component to drive the two double-sided linear scraping components in the axial direction of the air pipe to approach towards each other until the double-sided linear scraping components are contacted with the upper surface and the lower surface of one side of the valve plate monomer, then the dust exhaust air duct at the bottom end of the air pipe is connected to an external dust collector, and when the double-sided linear scraping components work, dirt on the upper surface and the lower surface of the valve plate monomer is scraped and sucked by the dust exhaust air duct and the dust collector, so that the later-stage timing cleaning maintenance of the air valve is performed.

Inventors

  • SUN CHAOYUAN
  • SUN JINCAI
  • SUN JINZHU

Assignees

  • 顺达空调设备集团有限公司

Dates

Publication Date
20260508
Application Date
20260313

Claims (10)

  1. 1. The utility model provides a self-cleaning blast gate, includes tuber pipe (1), rotates valve plate monomer (34) of installation at tuber pipe (1) inside, locates on tuber pipe (1) one side outer wall and order about valve plate monomer (34) pivoted valve plate rotating assembly (3) and install outer cladding shell (2) on tuber pipe (1) outer peripheral face, its characterized in that: The corner detection assembly (8), the corner detection assembly (8) is installed on the outer wall of the other side of the air pipe (1) and is used for detecting the rotation angle of the valve plate monomer (34); The double-sided linear scraping assemblies (4) are arranged at the positions of two axial ends of the air pipe (1) in a two-to-one and mirror symmetry structure mode, the top end of the air pipe (1) is provided with a bidirectional traction assembly (6) for driving the two double-sided linear scraping assemblies (4) in the axial direction to move in opposite directions, the left outer wall and the right outer wall of the air pipe (1) are respectively provided with a straight slot (101) for the double-sided linear scraping assemblies (4) to axially move, and the outer walls of the air pipe (1) at the upper and lower positions of the straight slot (101) are respectively provided with a guide rail (7) for guiding the double-sided linear scraping assemblies (4) to axially slide; The dust exhaust air duct (5), the dust exhaust air duct (5) is arranged at the bottom end of the air duct (1) and is used for being connected with an external dust collector.
  2. 2. The self-cleaning air valve according to claim 1, wherein the bidirectional traction component (6) comprises an H-shaped cross beam (61) fixed between two flange opposite side outer walls of the air pipe (1) along the axial direction, a bidirectional screw rod (62) rotatably installed inside the H-shaped cross beam (61) and a sliding table (65) symmetrically and slidably installed on two sides of the bottom end of the H-shaped cross beam (61), a nut pair (66) is fixed at the top end of the sliding table (65), the nut pair (66) is in threaded fit with the bidirectional screw rod (62), arc-shaped connecting arms (67) are fixed on the left and right outer walls of the sliding table (65), the arc-shaped connecting arms (67) are used for being connected with the double-sided linear scraping component (4), a servo motor (63) is installed at the top end of the outer cladding shell (2), and a synchronous belt transmission structure (64) used for driving the bidirectional screw rod (62) to rotate is installed on an output shaft of the servo motor (63).
  3. 3. A self-cleaning damper according to claim 2, wherein the double-sided linear scraping assembly (4) comprises a sliding disc (41), a pallet (42), a guide rod (43), a first concave table (44), a rocker arm structure (45), a self-resetting rotary rocking structure (47), a scraping plate (48) and an eccentric driving structure (49), the pallet (41) is slidably mounted on a guide rail (7), the pallet (42) is fixed on the outer wall of one side of the sliding disc (41) far away from the guide rail (7), the guide rod (43) is concentrically and slidably sleeved inside the pallet (41) and can move along the radial direction of the air duct (1), the scraping plate (48) is provided with two scraping plates in the air duct (1) and is connected with one end of the guide rod (43), the two scraping plates (48) are arranged in a mirror symmetry manner, the other end of the guide rod (43) penetrates the outside the pallet (42) and is fixedly connected with the first concave table (44), the rocker arm structure (45) is mounted on the top end of the pallet (42), one end of the rocking plate structure (45) is slidably matched with the first concave table (44) on the self-resetting structure (47), the eccentric driving structure (49) is arranged behind the rocker arm structure (45) and is matched with the self-resetting rotary rocking structure (47) to drive the rocker arm structure (45) to rock back and forth.
  4. 4. A self-cleaning damper according to claim 3, wherein the rocker arm structure (45) comprises a swivel (451) rotatably mounted inside the platform (42) and a rocker arm unit (452) fixed at both ends of the surface of the swivel (451), one end of the rocker arm unit (452) being located in the first recess platform (44).
  5. 5. The self-cleaning air valve according to claim 4, wherein the self-resetting rotary swing structure (47) comprises a hanging table (471) fixed on the outer wall of the sliding disc (41) above the board table (42), a convex column (474) integrally formed on one side of the top end of the hanging table (471), a swing arm (472) fixed on the top end of the swing shaft (451) and a torsion spring (473) sleeved on the swing shaft (451), one end of the torsion spring (473) is clamped and embedded with one end of the swing arm (472), and the other end of the torsion spring (473) is hung with the convex column (474).
  6. 6. A self-cleaning damper according to claim 5, wherein the eccentric driving structure (49) comprises a motor (491) arranged at the bottom end of the pallet (42) and a roller (493) arranged at one side of the swing arm (472), an output shaft of the motor (491) penetrates upwards to the outside of the suspension platform (471) and is integrally provided with a folded plate (492), and the roller (493) is rotatably arranged at the top end of the folded plate (492).
  7. 7. A self-cleaning air valve according to claim 3, wherein a plurality of equidistant longitudinal ribs (481) are arranged between the opposite surfaces of the two wiping plates (48) along the width direction, the length extension direction of the longitudinal ribs (481) is parallel to the axial direction of the air pipe (1), and an arc-shaped notch part (482) is arranged at one end of the wiping plates (48) close to the valve plate monomer (34).
  8. 8. A self-cleaning air valve according to claim 4, wherein the outer wall of one side of the sliding disc (41) is further provided with a guide structure (46), the guide structure (46) comprises a guide cylinder (461) vertically fixed on the outer wall of one side of the sliding disc (41), a sliding column (462) slidably installed in the guide cylinder (461), and two second concave-shaped tables (463) which are fixed at the end positions of the sliding column (462) in a mirror symmetry manner, and the second concave-shaped tables (463) are slidably matched with the other ends of the rocker arm monomers (452).
  9. 9. The self-cleaning air valve according to claim 1, wherein the valve plate rotating assembly (3) comprises a machine table (31) arranged on the outer wall of one side of the air pipe (1), a speed reducing motor (32) arranged on the outer wall of the machine table (31) and rotating shafts (35) rotatably arranged on the left inner wall and the right inner wall of the air pipe (1), the valve plate single body (34) is fixed between the two rotating shafts (35), an output shaft of the speed reducing motor (32) is fixedly connected with one end of one rotating shaft (35), sealing rings (36) are arranged on the left outer wall and the right outer wall of the valve plate single body (34), a hollow first shaft shell (33) concentric with the output shaft of the speed reducing motor (32) is fixed on the outer wall of the air pipe (1) on one side of the machine table (31), the corner detecting assembly (8) comprises a hollow second shaft shell (81) fixed on the outer wall of the other side of the air pipe (1), a four-column-shaped end seat (82) fixedly connected with the outer wall of the hollow second shaft shell (81), and an encoder (83) arranged on the outer wall of the four-column-shaped end seat (82), and one end of the other shaft (35) penetrates through the hollow second shaft shell (82) and is connected with the outer end of the four-column-shaped encoder (81).
  10. 10. The self-cleaning air valve according to claim 1, wherein the dust exhaust air duct (5) comprises two plate legs (51) arranged below the air duct (1), a U-shaped pipe (52) welded together at the top ends of the two plate legs (51) and a convex pipe (53) arranged on the outer wall of one side of the U-shaped pipe (52), a plug (54) is bolted at the open end of the convex pipe (53), the upper end of the U-shaped pipe (52) is fixedly connected with the air duct (1), and a through hole is arranged at the bottom end of the air duct (1) at the fixedly connected position.

Description

Self-cleaning air valve Technical Field The invention relates to the technical field of air valves, in particular to a self-cleaning air valve. Background The air valve is a core component for controlling air flow in a ventilation, air conditioning and smoke discharging system, and the structure of the air valve generally comprises a valve body frame serving as a framework, parallel blades serving as a movable adjusting component, a shaft and bearing system for supporting the blades to flexibly rotate, a connecting rod mechanism for realizing multi-blade synchronous linkage, an edge sealing part for ensuring air tightness and an actuating mechanism for receiving an electric signal and driving a valve plate in automatic control, wherein when the blades rotate to be parallel to the air flow direction, the air valve is fully opened, the flow area is maximum and the resistance is minimum; The utility model discloses a blast gate such as the publication number CN216204226U that authorizes, including the driving piece, the valve carriage, the locating part, and blade, the outside in the valve carriage is fixed to the driving piece, the blade rotates the inboard of connecting in the valve carriage, the blade passes through the driving piece drive rotation, the inside wall of valve carriage is equipped with the locating part that is used for carrying out spacing angle to the blade rotation angle, so that the biggest angle of rotation of blade is 90, when the blade rotates to its biggest angle of rotation, the blade is parallel with the business turn over wind direction of blast gate, can see above-mentioned technical scheme and current blast gate accuse wind principle be approximately the same, control promptly, adjust, cut off or guide the flow of air in the pipeline, and the air itself that ventilation system carried contains suspended particle matter such as dust, pollen, when the valve block is in half open state and adjust the amount of wind, its rear produces air turbulence or low-speed zone easily, partial granule can be because of inertia striking, adsorb on the valve block surface, especially in the higher environment of humidity or the pipeline of carrying moist air, often mix the slurry like forming dirt with dust, because the blast gate is usually installs in the inside the blast gate, space and the very big part is just shut down in the pipeline, the pipeline is difficult and the clearance is removed down, the blast gate is realized to the high cost is just about, the whole down, the blast gate is removed from the pipeline is required, the blast gate is removed, the high cost is required to be completely to the whole down. Disclosure of Invention The invention aims to provide a self-cleaning air valve, wherein a plane of a valve plate single blade in a valve plate rotating assembly rotates to be parallel to an air flow direction, an angle is detected by a rotation angle detecting assembly, then a bidirectional pulling assembly drives two double-sided linear scraping assemblies in the axial direction of an air pipe to approach towards each other until the double-sided linear scraping assemblies are contacted with the upper surface and the lower surface of one side of the valve plate single blade, and then a dust exhaust air duct at the bottom end of the air pipe is connected to an external dust collector. The self-cleaning air valve comprises an air pipe, a valve plate monomer rotatably arranged in the air pipe, a valve plate rotating assembly arranged on the outer wall of one side of the air pipe and driving the valve plate monomer to rotate, and an outer cladding arranged on the outer peripheral surface of the air pipe; The corner detection component is arranged on the outer wall of the other side of the air pipe and is used for detecting the rotation angle of the valve plate monomer; The double-sided linear scraping assemblies are arranged at the positions of two axial ends of the air pipe in a two-to-one mirror symmetry structure mode, the top end of the air pipe is provided with a bidirectional traction assembly for driving the two double-sided linear scraping assemblies to move in opposite directions in the axial direction, the left outer wall and the right outer wall of the air pipe are respectively provided with a straight slot for the double-sided linear scraping assemblies to axially move, and the outer walls of the air pipe at the upper position and the lower position of the straight slot are respectively provided with a guide rail for guiding the double-sided linear scraping assemblies to axially slide; The dust exhaust air duct is arranged at the bottom end of the air duct and is used for being connected with an external dust collector. Preferably, the bidirectional traction assembly comprises an H-shaped beam fixed between two flange opposite side outer walls of the air pipe along the axial direction, a bidirectional screw rod rotatably installed inside the H-shaped beam and a sliding tabl