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CN-224228866-U - Roots blower filter vat with noise reduction function

CN224228866UCN 224228866 UCN224228866 UCN 224228866UCN-224228866-U

Abstract

The utility model relates to the technical field of filter barrels, in particular to a Roots blower filter barrel with a noise reduction function, which comprises a shell, a connecting pipe and a filter assembly, wherein an air inlet pipe is fixed at the upper end of the shell, a blower air suction pipe is fixedly connected to one side of the shell, a pressure relief valve is fixedly connected to the outer side of the shell, the filter assembly is arranged at one side of the shell, the connecting pipe is arranged at one side of the blower air suction pipe, a bolt is arranged at the inner side of the connecting pipe.

Inventors

  • ZHANG CHUNHUI
  • WEN DEXIANG

Assignees

  • 江西斯洛德森智能装备有限公司

Dates

Publication Date
20260512
Application Date
20250628

Claims (7)

  1. 1. The Roots blower filter vat with the noise reduction function comprises a shell (1) and is characterized by further comprising a connecting pipe (501) and a filter assembly, wherein an air inlet pipe (2) is fixed at the upper end of the shell (1), a blower air suction pipe (3) is fixedly connected to one side of the shell (1), a pressure release valve (4) is fixedly connected to the outer side of the shell (1), the filter assembly is arranged on one side of the blower air suction pipe (3), the connecting pipe (501) is arranged on the inner side of the connecting pipe (501), a nut (503) is connected to the outer side of the bolt (502) in a threaded manner, the blower air suction pipe (3) and the connecting pipe (501) are fixed through the bolt (502) and the nut (503), a sealing ring (504) for improving the sealing performance of a pipeline is arranged between the connecting pipe (501) and the blower air suction pipe (3), a connecting plate (507) is fixedly connected to the inner side of the connecting pipe (501), and a second sound absorption pipe (506) is fixedly connected to the inner side of the connecting plate (507).
  2. 2. The Roots blower filter vat with noise reduction function according to claim 1, wherein the first sound absorption pipe (505) and the second sound absorption pipe (506) are respectively provided with round holes for absorbing sound and reducing noise.
  3. 3. The Roots blower filter vat with noise reduction function according to claim 1, wherein a plurality of sets of bolts (502) and nuts (503) are provided, and a plurality of sets of bolts (502) and nuts (503) are circumferentially arrayed on the connecting tube (501).
  4. 4. The Roots blower filter vat with noise reduction function according to claim 1, wherein the filter assembly comprises a partition plate (601), the partition plate (601) is fixedly connected to the inner side of the casing (1), the drawer (602) is slidably connected to the inner side of the casing (1), the filter fixing frame (603) is fixedly connected to the drawer (602), the filter core (604) is slidably connected to the inner side of the filter fixing frame (603), the limiting block (605) is fixedly connected to the outer side of the casing (1), the spring (606) is fixedly connected to the inner side of the limiting block (605), the movable plate (607) is fixedly connected to the slide bar (608) on one side of the movable plate (607), and the pressing plate (609) is rotatably connected to the outer side of the slide bar (608).
  5. 5. The Roots blower filter vat with noise reduction function according to claim 4, wherein the limiting block (605) is provided with a groove I, and the movable plate (607) is connected with the inner side of the limiting block (605) in a sliding way through the groove I.
  6. 6. The Roots blower filter vat with the noise reduction function according to claim 4, wherein the limiting block (605) is provided with a second groove, and the sliding rod (608) penetrates through the limiting block (605) through the second groove.
  7. 7. The Roots blower filter vat with noise reduction function according to claim 4, wherein the limiting block (605), the spring (606), the movable plate (607), the sliding rod (608) and the pressing plate (609) are respectively provided with two groups, and the two groups of limiting blocks (605), the spring (606), the movable plate (607), the sliding rod (608) and the pressing plate (609) are symmetrically arranged on the outer side of the shell (1).

Description

Roots blower filter vat with noise reduction function Technical Field The utility model relates to the technical field of filter barrels, in particular to a Roots blower filter barrel with a noise reduction function. Background The Roots blower, also called Roots blower, named Rootsblower, is a volumetric rotary blower, a rotary compressor for compressing and delivering gas by utilizing the relative motion of two or three blade-shaped rotors in a cylinder, and the blower has simple structure and convenient manufacture, is suitable for delivering and pressurizing gas in low-pressure occasions, and can also be used as a vacuum pump. The existing Roots blower filter vat, at the fan operation process, the cartridge filter relies on its accurate filtration, can effectively intercept impurity and dust in the air, makes the air that gets into the fan cleaner to provide reliable protection for the inside parts of fan, show the operating efficiency who improves the fan, and prolong its life ‌. However, when air enters the blower at a certain speed, turbulence is formed at the air inlet, and severe friction and collision occur between the air flow and the blower housing and the air inlet part, thereby generating a loud noise. The noise not only can interfere the surrounding working environment to influence the working state and physical and psychological health of operators, but also can cause potential threat to the structural stability of the fan itself because the fan is in a high-noise environment for a long time, and can cause the loosening and other problems of certain parts, thereby indirectly influencing the performance and reliability of the fan. Disclosure of utility model Aiming at the existing Roots blower, when air enters the blower at a certain speed, severe friction and collision occur between air flow and the blower shell and between air inlet components, so that the technical problem of large noise is further generated. The Roots blower filter vat with the noise reduction function comprises a shell, a connecting pipe and a filter assembly, wherein an air inlet pipe is fixed at the upper end of the shell, a blower air suction pipe is fixedly connected to one side of the shell, a pressure relief valve is fixedly connected to the outer side of the shell, the filter assembly is arranged on one side of the shell, the connecting pipe is arranged on one side of the blower air suction pipe, a bolt is arranged on the inner side of the connecting pipe, a nut is in threaded connection with the outer side of the bolt, the blower air suction pipe and the connecting pipe are fixed through the bolt and the nut, a sealing ring for improving the sealing performance of a pipeline is arranged between the connecting pipe and the blower air suction pipe, a first sound absorption pipe is fixedly connected to the inner side of the connecting pipe, a sound absorption connecting plate is fixedly connected to the inner side of the first sound absorption pipe, and a second sound absorption pipe is fixedly connected to the inner side of the sound absorption connecting plate. Preferably, the first sound-absorbing pipe and the second sound-absorbing pipe are provided with round holes for absorbing sound and reducing noise. Preferably, the bolts and nuts are provided in a plurality of groups, and the plurality of groups of bolts and nuts are circumferentially arranged on the connecting pipe in an array. Preferably, the filter component comprises a partition plate, the inner side of the shell is fixedly connected with the partition plate, the inner side of the shell is slidably connected with a drawer, the drawer is fixedly connected with a filter fixing frame, the inner side of the filter fixing frame is slidably connected with a filter element, the outer side of the shell is fixedly connected with a limiting block, the inner side of the limiting block is fixedly connected with a spring, one side of the spring is fixedly connected with a movable plate, one side of the movable plate is fixedly connected with a slide bar, and the outer side of the slide bar is rotationally connected with a pressing plate. Preferably, the limiting block is provided with a first groove, and the movable plate is connected to the inner side of the limiting block in a sliding manner through the first groove. Preferably, a second groove is formed in the limiting block, and the sliding rod penetrates through the limiting block through the second groove. Preferably, the limiting block, the spring, the movable plate, the sliding rod and the pressing plate are all provided with two groups, and the two groups of limiting blocks, the spring, the movable plate, the sliding rod and the pressing plate are symmetrically arranged on the outer side of the shell. The utility model has the beneficial effects that: compared with the traditional Roots blower, when air enters the blower at a certain speed, the air flow and the blower housing and the air inlet part generat