US 12,758,912 B2 · Filtering device

Abstract

Disclosed is a filtering device. The device includes a main body part and a filter element assembly, where the main body part has a mounting cavity for accommodating the filter element assembly, further includes a base and a screen cover arranged as a cover of the base, and at least one rack for fixing the filter element assembly is disposed on an inner wall of the screen cover and/or the base; and the filter element assembly includes a folded filter element arranged in a folded shape, and a rubber strip arranged on the folded filter element for maintaining the shape of the folded filter element to facilitate quick assembly and disassembly of the folded filter element. Further, the screen cover and the base are connected through various snap-fit assemblies, without requiring additional connecting members for fixing them, which is convenient for disassembly and assembly, and has a simple structure.

A filtering device comprising a main body part and a filter element assembly, wherein the main body part has a mounting cavity for accommodating the filter element assembly, the main body part comprises a base and a screen cover arranged as a cover of the base, and at least one rack for fixing the filter element assembly is disposed on an inner wall of the screen cover and/or the base;

and
the filter element assembly comprises a folded filter element arranged in a folded shape, and a rubber strip arranged on the folded filter element for maintaining the shape of the folded filter element;
wherein the screen cover and the base are connected in a detachable or rotational manner;
and
the screen cover comprises a first filter member and a first outer frame disposed at the outer periphery of the first filter member, and the base comprises a bottom plate, a second outer frame disposed at the outer periphery of the bottom plate, and a square groove enclosed by the bottom plate and the second outer frame;
wherein the folded filter element comprises a plurality of V-shaped portions connected in sequence, snap-in teeth are arranged at one side of the rack close to the folded filter element, and toothed grooves for accommodating the V-shaped portion are formed between two snap-in teeth;
wherein at least one first long rack is disposed on an inner wall of the screen cover, the shape of the base is adapted to the shape of the screen cover, and at least one second long rack corresponding to the position of the first long rack is disposed on an inner wall of the base;
and
each first long rack has a plurality of first snap-in teeth, each second long rack has a plurality of second snap-in teeth, second toothed grooves for accommodating the first snap-in teeth are formed between the two adjacent second snap-in teeth, and shapes of the second toothed grooves and the first snap-in teeth are the same;
wherein the first long racks are arranged in two groups, the two groups of first long racks are arranged in the length direction of the screen cover and are symmetrically arranged at the upper and lower ends of inner walls of the screen cover, first protruding structures are arranged both at the left and right ends of the inner walls of the screen cover, the first protruding structures are arranged in a width direction of the screen cover, and the first long racks are located between two groups of the first protruding structures;
and
the second long racks are arranged in two groups, the two groups of second long racks are symmetrically arranged at the upper and lower ends of the inner walls of the second outer frame, positions of the second long racks correspond to positions of the first long racks;
second protruding structures are symmetrically arranged at the upper and lower ends of base in its length direction, the second protruding structures are located on the outer side of the second long racks to form first accommodating grooves with the second long racks, and two first accommodating grooves are separately used to accommodate the edge portions of the upper and lower ends of the folded filter element.

10 more elements

Filtering device

Life of this patent

Filtering device

Life of this patent

Abstract

Claims14