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CN-224220047-U - Dust collection and filtration structure of handheld dust collector

CN224220047UCN 224220047 UCN224220047 UCN 224220047UCN-224220047-U

Abstract

The utility model discloses a dust collection and filtration structure of a handheld dust collector, which comprises a dust collection controller, wherein the front end of the dust collection controller is detachably connected with a dust collection bin, one end of the dust collection controller is fixedly connected with a connecting ring block, and one end of the dust collection controller is provided with a positioning opening. According to the dust collection and filtration structure of the handheld dust collector, the positioning block rotates when being inserted into the inner side of the L-shaped dismounting groove to the bottom, the positioning anti-falling block is clamped into the inner side of the positioning hole, so that the filter screen frame is positioned outside the filter positioning frame, the filter frame is positioned on the inner wall of one end of the filter positioning frame through the connecting thread groove and the bottom positioning opening, the second filter screen on the inner wall of the filter frame and the first filter screen on one end of the filter screen frame can intercept most large particle dust and impurities in advance, the dust amount directly entering the main filter is reduced, the service life of the main filter is prolonged, and the frequency and cost for replacing the filter are reduced.

Inventors

  • SUN CHUNFANG
  • YIN XUEFENG

Assignees

  • 苏州新生代电器有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (6)

  1. 1. A dust collection and filtration structure of a handheld dust collector comprises a dust collection controller (1) and is characterized in that a dust collection bin (2) is detachably connected to the front end of the dust collection controller (1), a connecting ring block (3) is fixedly connected to one end of the dust collection controller (1), a positioning opening (4) is formed in one end of the dust collection controller (1), a filter screen rack (5) is detachably connected to one end of the dust collection controller (1), a first filter screen (6) is fixedly connected to one end of the filter screen rack (5), a filter positioning frame (8) is detachably connected to the inner wall of the filter screen rack (5), and a positioning ring block (7) is fixedly connected to one end of the filter positioning frame (8).
  2. 2. The dust collection and filtration structure of the handheld dust collector of claim 1, wherein one end of the dust collection controller (1) is fixedly connected with one end of the connecting ring block (3), the dust collection bin (2) is positioned with the dust collection controller (1) through the connecting ring block (3), one end of the filter screen frame (5) is fixedly connected with one end of the first filter screen (6), and one end of the positioning ring block (7) is fixedly connected with one end of the filter positioning frame (8).
  3. 3. The dust collection and filtration structure of a handheld dust collector according to claim 2, wherein the inner wall of the filter positioning frame (8) is fixedly connected with a filter core (9), L-shaped dismounting grooves (10) are formed in the upper end and the lower end of the outer wall of the filter positioning frame (8), positioning holes (11) are formed in the two sides of the inner wall of the L-shaped dismounting grooves (10), a bottom positioning opening (12) is formed in the inner wall of one end of the filter positioning frame (8), a filter frame (13) is installed in the inner wall of the bottom positioning opening (12) in a positioning mode, a second filter screen (14) is fixedly connected to the inner wall of the filter frame (13), and a connecting thread groove (15) is formed in the outer wall of the filter frame (13).
  4. 4. The dust collection and filtration structure of a handheld dust collector according to claim 3, wherein the two sides of the inner wall of the filter screen frame (5) are fixedly connected with positioning blocks (16), inner movable holes (17) are formed in the inner wall of each positioning block (16), positioning anti-falling blocks (19) are movably connected to the inner sides of the inner movable holes (17), anti-falling plates (18) are fixedly connected to the rear ends of the positioning anti-falling blocks (19), and damping elastic pieces (20) are fixedly connected to the rear ends of the anti-falling plates (18).
  5. 5. The dust collection and filtration structure of a handheld dust collector according to claim 4, wherein the inner wall of the filtration positioning frame (8) is fixedly connected with the outer wall of the filter core (9), the filtration frame (13) and the second filter screen (14) are integrally formed, and the filtration frame (13) is positioned on the inner wall of the filtration positioning frame (8) through the connecting thread groove (15) and the bottom positioning opening (12).
  6. 6. The dust collection and filtration structure of a handheld dust collector according to claim 5, wherein one side of the positioning block (16) is fixedly connected with two sides of the inner wall of the filter net rack (5), the rear end of the positioning anti-drop block (19) is fixedly connected with one side of the anti-drop plate (18), the other side of the anti-drop plate (18) is fixedly connected with one end of the damping elastic piece (20), and the other end of the damping elastic piece (20) is fixedly connected with the inner wall of the inner movable hole (17).

Description

Dust collection and filtration structure of handheld dust collector Technical Field The utility model relates to the technical field of handheld dust collectors, in particular to a dust collection and filtration structure of a handheld dust collector. Background The dust collection and filtration structure of the handheld dust collector is a key component in the dust collector and is responsible for separating sucked dust, pollen and other pollutants from air, so that the discharged air is ensured to be clean, when the dust collector is started, the motor drives the fan to rotate, high-speed air flow is generated, the air flow enters the dust cup through the suction nozzle and the pipeline, the dust and the impurities are primarily separated in the dust cup through centrifugal force, the residual tiny dust and air mixture enter the filtration device, the dust is further separated through the interception effect of the filtration material, and the clean air is discharged from the rear end of the dust collector after passing through the filtration device. The dust collection and filtration structure of the common handheld dust collector is characterized in that when the dust collection and filtration structure is used, a filter or other consumable materials are replaced frequently, the use cost is high, daily expenses of families can be increased, particularly, for a high-quality filter, the price is high, meanwhile, a large amount of waste can be generated by frequent replacement of disposable consumable materials, the pressure of garbage treatment is increased, the environment is adversely affected, a certain adverse effect is brought to the use process of people, and therefore, the dust collection and filtration structure of the handheld dust collector is provided. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a dust collection and filtration structure of a handheld dust collector, which has the advantages of prolonging the service life of a filter, reducing the maintenance cost and the like, and a positioning block rotates when being inserted into the inner side of an L-shaped dismounting groove to the bottom, and is clamped into the inner side of a positioning hole, so that a filter screen frame is positioned outside the filter positioning frame, a filter frame is positioned on the inner wall of one end of the filter positioning frame through a connecting thread groove and a bottom positioning opening, a second filter screen on the inner wall of the filter frame and a first filter screen on one end of the filter screen frame can intercept most large particle dust and impurities in advance, and reduce the dust amount directly entering a main filter, thereby prolonging the service life of the main filter, reducing the frequency and the cost of replacing the filter, and simultaneously reducing the performance reduction and the maintenance cost of the dust collector caused by filter blockage, and effectively solving the problems in the background technology. The technical scheme includes that the dust collection and filtration structure of the handheld dust collector comprises a dust collection controller, a dust collection bin is detachably connected to the front end of the dust collection controller, a connecting ring block is fixedly connected to one end of the dust collection controller, a positioning opening is formed in one end of the dust collection controller, a filter net rack is detachably connected to one end of the dust collection controller, a first filter screen is fixedly connected to one end of the filter net rack, a filter positioning frame is detachably connected to the inner wall of the filter net rack, and a positioning ring block is fixedly connected to one end of the filter positioning frame. Preferably, one end of the dust collection controller is fixedly connected with one end of the connecting ring block, the dust collection bin is positioned with the dust collection controller through the connecting ring block, one end of the filter screen frame is fixedly connected with one end of the first filter screen, and one end of the positioning ring block is fixedly connected with one end of the filter positioning frame. Preferably, the inner wall fixedly connected with filter core of filtration locating rack, the L type dismouting groove has all been seted up at the upper and lower both ends of filtration locating rack outer wall, the locating hole has all been seted up to the both sides of L type dismouting groove inner wall, the bottom locating hole has been seted up to the inner wall of filtration locating rack one end, filter frame is installed to the inner wall location of bottom locating hole, filter frame's inner wall fixedly connected with No. two filter screens, the connecting thread groove has been seted up to filter frame's outer wall. Preferably, the both sides of filter screen rack inner wall are all fixedly connected with locat