CN-224230256-U - Air purifier

CN224230256UCN 224230256 UCN224230256 UCN 224230256UCN-224230256-U

Abstract

The utility model discloses an air purifier, which comprises a columnar hollow filter piece, a fan, an impurity scraping piece and an impurity accommodating piece, wherein the columnar hollow filter piece is used for filtering air, the fan is used for sucking external air from the side wall of the columnar hollow filter piece into a hollow cavity of the columnar hollow filter piece, the impurity scraping piece and the impurity accommodating piece are in relative motion with the columnar hollow filter piece, the fan is started to suck the external air into the hollow cavity of the columnar hollow filter piece from the side wall of the columnar hollow filter piece, the air flows into the columnar hollow filter piece and is filtered and purified, clean air is discharged, impurities attached to the air are accumulated on the surface of the columnar hollow filter piece, when the impurities accumulated on the surface of the columnar hollow filter piece reach a certain amount, the columnar hollow filter piece moves relative to the impurity scraping piece, the impurity scraping piece scrapes the impurities on the surface of the columnar hollow filter piece into the accommodating cavity of the impurity accommodating piece, and the impurity accommodating piece can play a role of temporarily storing the impurities so as to improve the filtering quality of the air purifier and reduce the replacement frequency of a filter element.

Inventors

LI JIN
TANG ZHIHAI
XU WEIWEI

Assignees

深圳北半球网络科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250611

Claims (10)

1. An air purifier, comprising: A cylindrical hollow filter member including opposite first and second ends along an axial direction thereof; The fan is arranged on the first end and is used for sucking external air into the hollow cavity of the columnar hollow filter piece from the side wall of the columnar hollow filter piece; the impurity scraping piece moves relative to the columnar hollow filter piece and is used for scraping impurities attached to the side wall of the columnar hollow filter piece; The impurity holding part is fixed with the relative position of the impurity scraping part and moves relative to the columnar hollow filtering part, the impurity holding part is provided with a holding cavity, the impurity holding part and one side of the columnar hollow filtering part, which is opposite to the moving direction of the columnar hollow filtering part, are provided with an impurity inlet, and impurities scraped by the impurity scraping part are accumulated and held in the holding cavity through the impurity inlet.
2. The air purifier of claim 1, further comprising a housing, wherein a plurality of air inlets are formed in the housing, the blower and the columnar hollow filter are arranged in the housing, and the impurity scraping member and the impurity accommodating member are both fixed on the inner wall of the housing.
3. The air cleaner of claim 1, further comprising a drive member drivingly connected to the second end, the drive member configured to drive the cylindrical hollow filter member in rotation relative to the impurity scraping member and the impurity receiving member.
4. The air cleaner of claim 1, wherein the impurity scraping element is provided with a wiping element having deformability, the wiping element has at least one contact line with the surface of the columnar hollow filter element, and the contact line is parallel to the axis of the columnar hollow filter element.
5. The air cleaner of claim 2, wherein the impurity scraping member and the impurity accommodating member are fixedly connected, and the impurity scraping member and the impurity accommodating member are detachably connected to the housing.
6. The air purifier of claim 5, wherein a clamping groove is formed in the shell, the clamping groove is parallel to the axis of the columnar hollow filtering piece, and the impurity scraping piece is clamped with the impurity accommodating piece and the clamping groove.
7. The air purifier of claim 6, wherein the cylindrical hollow filter member is defined as a first face in radial cross-section; On the first face, the draw-in groove by be fixed in two L type pieces in the shell constitute, two L type pieces set up relatively, the notch width of draw-in groove is d, impurity strike-off piece is including being used for the card to go into first stopper in the draw-in groove, be located the first fixed block outside the draw-in groove, and connect first stopper with the connecting block of first fixed block, the width of connecting block is less than or equal to d, first stopper with the width of first fixed block is greater than d.
8. The air cleaner according to claim 7, wherein the impurity accommodating member is provided with a rear end cap for restricting the outflow of impurities in the accommodating chamber in an axial direction of the cylindrical hollow filter member.
9. The air cleaner of claim 8, wherein the impurity scraping member is integrally formed with the impurity accommodating member.
10. The air cleaner according to claim 1, wherein the impurity scraping member and the impurity accommodating member are each longer than or equal to the length of the columnar hollow filter member in the axial direction of the columnar hollow filter member.

Description

Air purifier Technical Field The utility model relates to the field of air purifiers, in particular to an air purifier. Background An air cleaner is a device capable of improving indoor air quality. The air purifier effectively removes visible pollutants in the air through various technical means such as filtration and adsorption, provides fresh and healthy air for people, is favorable for relieving allergic symptoms and preventing respiratory diseases, ensures the health of the human body, and plays an important role especially in places with serious air pollution or special requirements. The filter element surface of the air purifier is easy to adsorb pet hair and dust, in the middle, the pet hair is easy to block the air inlet hole on the filter element surface, the filtering capacity of the air purifier is reduced, the user is required to frequently clean the hair on the filter element surface, or the filter element is replaced, and the user experience is required to be improved. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides the air purifier capable of improving the user experience. The technical scheme adopted for solving the technical problems is as follows: An air purifier, comprising: A cylindrical hollow filter member including opposite first and second ends along an axial direction thereof; The fan is arranged on the first end and is used for sucking external air into the hollow cavity of the columnar hollow filter piece from the side wall of the columnar hollow filter piece; the impurity scraping piece moves relative to the columnar hollow filter piece and is used for scraping impurities attached to the side wall of the columnar hollow filter piece; The impurity holding part is fixed with the relative position of the impurity scraping part and moves relative to the columnar hollow filtering part, the impurity holding part is provided with a holding cavity, the impurity holding part and one side of the columnar hollow filtering part, which is opposite to the moving direction of the columnar hollow filtering part, are provided with impurity inlets, and impurities scraped by the impurity scraping part are accumulated and held in the holding cavity. The air purifier further comprises a shell, a plurality of air inlets are formed in the shell, the fan and the columnar hollow filtering piece are arranged in the shell, and the impurity scraping piece and the impurity containing piece are both fixed on the inner wall of the shell. The air purifier further comprises a driving piece in transmission connection with the second end, and the driving piece is used for driving the columnar hollow filtering piece to rotate relative to the impurity scraping piece and the impurity accommodating piece. In the air purifier, the impurity scraping piece is provided with a wiping piece with deformability, the wiping piece and the surface of the columnar hollow filtering piece are at least provided with a contact line, and the contact line is parallel to the axis of the columnar hollow filtering piece. The air purifier is characterized in that the impurity scraping piece is fixedly connected with the impurity accommodating piece, and the impurity scraping piece and the impurity accommodating piece are detachably connected with the shell. As described above, the air purifier is provided with the clamping groove in the housing, the clamping groove is parallel to the axis of the columnar hollow filtering piece, and the impurity scraping piece is in clamping connection with the impurity accommodating piece and the clamping groove. The air purifier as described above, wherein the radial section of the columnar hollow filter is defined as a first surface; On the first face, the draw-in groove by be fixed in two L type pieces in the shell constitute, two L type pieces set up relatively, the notch width of draw-in groove is d, impurity strike-off piece is including being used for the card to go into first stopper in the draw-in groove, be located the first fixed block outside the draw-in groove, and connect first stopper with the connecting block of first fixed block, the width of connecting block is less than or equal to d, first stopper with the width of first fixed block is greater than d. The air purifier is characterized in that the impurity accommodating part is provided with a rear end cover along the axial direction of the columnar hollow filtering part, and the rear end cover is used for limiting the impurity in the accommodating cavity from overflowing. As described above, the impurity scraping member and the impurity accommodating member are integrally formed. The air purifier is characterized in that the lengths of the impurity scraping part and the impurity accommodating part are longer than or equal to the length of the columnar hollow filtering part along the axial direction of the columnar hollow filtering part. The beneficial effects of the utility mode