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CN-224228901-U - Low-noise centrifugal pipeline fan

CN224228901UCN 224228901 UCN224228901 UCN 224228901UCN-224228901-U

Abstract

The utility model relates to the technical field of pipeline fans and discloses a low-noise centrifugal pipeline fan which comprises a supporting base, wherein a motor I and a volute type shell are fixedly arranged at the top of the supporting base respectively, a rotating plate main body is fixedly sleeved on the outer edge of a power output shaft of the motor I, a mounting block is fixedly arranged at the top of the volute type shell, a silencing component is arranged at the top of the mounting block, and through the arrangement of a buffer cylinder and holes, when air flow is transmitted to a circular groove II through the mounting base, a plurality of holes penetrating through the outer walls of the two buffer cylinders can disperse and absorb the air, so that the effect that part of air sound energy in the inner cavities of the two buffer cylinders can be converted into kinetic energy and heat energy of air to be dissipated is achieved, the air flow noise is effectively reduced, and meanwhile, under the matched transmission of a rotating wheel, a threaded rod, a sleeve and a trapezoid block, two bolts are driven to extend into the inner walls of the square groove and the mounting block, and the installation of the whole movable component of the silencing component is achieved.

Inventors

  • Gan Zuodong

Assignees

  • 江苏左恩环境科技有限公司

Dates

Publication Date
20260512
Application Date
20250429

Claims (7)

  1. 1. The low-noise centrifugal pipeline fan comprises a supporting base (1) and is characterized in that a motor I (2) and a volute (4) are fixedly installed at the top of the supporting base (1) respectively, a rotating plate main body (3) is fixedly sleeved on the outer edge of a power output shaft of the motor I (2), a mounting block (5) is fixedly assembled at the top of the volute (4), a silencing component (6) is arranged at the top of the mounting block (5), a cylinder I (7) is fixedly assembled at the outer wall of the volute (4), a filter plate (8) is arranged on the inner wall of the cylinder I (7), a circular groove I (10) is formed in the inner wall of the cylinder I (7), an arc groove (9) is formed in the inner wall of the circular groove I (10), and a dust removing component (11) is arranged on the outer wall of the filter plate (8); The silencing assembly (6) comprises a pipeline main body (601), wherein an installation base (602) is fixedly arranged on the inner wall of the pipeline main body (601), a buffer cylinder (603) is fixedly arranged on the inner wall of the installation base (602), and a hole (604) is formed in the outer wall of the buffer cylinder (603); Circular groove two (605) have been seted up at the top of installation base (602), square groove (606) have been seted up to the inner wall of pipeline main part (601), the top of pipeline main part (601) is equipped with runner (607), the bottom fixed mounting of runner (607) has threaded rod (608), the outer wall threaded connection of threaded rod (608) has sleeve (609), the inner wall of square groove (606) is equipped with trapezoidal piece (610), bolt (611) and spring one (612) respectively.
  2. 2. The low-noise centrifugal pipeline fan according to claim 1, wherein the dust removing assembly (11) comprises a support frame main body (111), a motor II (112) is fixedly arranged on the outer wall of the support frame main body (111), a cleaning head (113) is fixedly sleeved on the outer edge of a power output shaft of the motor II (112), a fixing column (114) is fixedly arranged on the outer wall of the support frame main body (111), a cylinder II (115) is fixedly arranged on the inner wall of the fixing column (114), one end of a spring II (116) is fixedly connected to the inner wall of the cylinder II (115), and a ball (117) is fixedly arranged on the other end of the spring II (116).
  3. 3. The centrifugal pipeline fan with low noise according to claim 2, wherein the number of the second cylinder (115), the second spring (116) and the round balls (117) is two, the second cylinder (115), the second spring (116) and the round balls (117) are arranged on two sides of the inner wall of the fixed column (114) in a group, the round balls (117) are located in the inner cavity of the second cylinder (115), the outer wall of the round balls (117) is matched with the inner wall of the arc-shaped groove (9), the shape of the outer wall of the fixed column (114) is the same as that of the inner wall of the first circular groove (10), and the outer wall of the fixed column (114) slides in a fitting manner with the inner wall of the first circular groove (10).
  4. 4. The low-noise centrifugal pipeline fan according to claim 1, wherein the number of the buffer cylinders (603) is two, and the two buffer cylinders (603) are respectively arranged in the inner cavity of the mounting base (602) in parallel.
  5. 5. The low-noise centrifugal pipeline fan as claimed in claim 1, wherein the number of the holes (604) is several, and the holes (604) and the outer wall of the buffer cylinder (603) are respectively arranged in a penetrating way.
  6. 6. The centrifugal low-noise pipeline fan according to claim 1, wherein the number of the trapezoid blocks (610) is two, and the tops of the trapezoid blocks (610) are in fit sliding arrangement with the bottoms of the sleeves (609).
  7. 7. The centrifugal low-noise pipeline fan according to claim 1, wherein the number of the bolts (611) and the number of the springs (612) are two, the two bolts (611) and the springs (612) are symmetrically arranged around the threaded rod (608), and the outer walls of the two bolts (611) and the inner walls of the square groove (606) and the mounting block (5) are arranged in a penetrating manner.

Description

Low-noise centrifugal pipeline fan Technical Field The utility model relates to the technical field of pipeline fans, in particular to a low-noise centrifugal pipeline fan. Background Centrifugal pipeline fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas, and are generally composed of a casing, an impeller, a rotor, and a transmission part. The existing centrifugal pipeline fan outlet muffler usually adopts noise reduction and silencing cotton, and the noise reduction cotton is adhered to the muffler shell through glue and the like, so that the noise reduction cotton cannot be disassembled, but dust is attached to the sound absorption cotton when the centrifugal pipeline fan outlet muffler is used for a long time, the sound absorption cotton is difficult to clean, the service life of the fan muffler is influenced, and meanwhile the noise reduction of the muffler is reduced, so that the low-noise centrifugal pipeline fan is provided. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a low-noise centrifugal pipeline fan which has the advantages of noise reduction, portable installation and cleaning and solves the problems of the prior art. The utility model provides a low-noise centrifugal pipeline fan which comprises a support base, wherein a motor I and a volute type shell are fixedly arranged at the top of the support base respectively, a rotating plate main body is fixedly sleeved on the outer edge of a power output shaft of the motor I, a mounting block is fixedly arranged at the top of the volute type shell, a silencing component is arranged at the top of the mounting block, a cylinder I is fixedly arranged on the outer wall of the volute type shell, a filter plate is arranged on the inner wall of the cylinder I, a circular groove I is formed in the inner wall of the cylinder I, an arc-shaped groove is formed in the inner wall of the circular groove I, and a dust removing component is arranged on the outer wall of the filter plate; The silencer comprises a pipeline main body, wherein an installation base is fixedly arranged on the inner wall of the pipeline main body, a buffer cylinder is fixedly arranged on the inner wall of the installation base, a hole is formed in the outer wall of the buffer cylinder, a circular groove II is formed in the top of the installation base, a square groove is formed in the inner wall of the pipeline main body, a rotating wheel is arranged at the top of the pipeline main body, a threaded rod is fixedly arranged at the bottom of the rotating wheel, a sleeve is connected with the outer wall of the threaded rod in a threaded manner, and a trapezoid block, a bolt and a first spring are respectively arranged on the inner wall of the square groove. The dust removal assembly comprises a support frame main body, a motor II is fixedly arranged on the outer wall of the support frame main body, a cleaning head is fixedly sleeved on the outer edge of a power output shaft of the motor II, a fixing column is fixedly arranged on the outer wall of the support frame main body, a cylinder II is fixedly arranged on the inner wall of the fixing column, one end of a spring II is fixedly connected to the inner wall of the cylinder II, and a ball is fixedly arranged at the other end of the spring II. As a preferable technical scheme, the number of the second cylinder, the second spring and the round balls is two, the second cylinder, the second spring and the round balls are arranged on two sides of the inner wall of the fixed column in a group, the round balls are positioned in the inner cavity of the second cylinder, the outer wall of the round balls is matched with the inner wall of the arc-shaped groove, the shape of the outer wall of the fixed column is the same as that of the inner wall of the first circular groove, and the outer wall of the fixed column is adhered to the inner wall of the first circular groove in a sliding manner. As a preferable technical scheme, the number of the buffer cylinders is two, and the two buffer cylinders are respectively arranged in the inner cavity of the mounting base in parallel. As a preferable technical scheme, the number of the holes is a plurality, and the holes and the outer wall of the buffer cylinder are respectively formed to be penetrated. As a preferable technical scheme, the number of the trapezoid blocks is two, and the tops of the two trapezoid blocks are attached to the bottom of the sleeve in a sliding manner. As a preferable technical scheme, the number of the first bolts and the first springs is two, the first bolts and the first springs are symmetrically arranged by taking the threaded rod as a center, and the outer walls of the two bolts and the inner walls of the square groove and the mounting block are arranged in a penetrating way. Compared with the prior art, the utility model has the following beneficial effects: 1. This centrifugal pipeli