一种循环扇
By adding a detachable filter assembly and magnetic structure to the air inlet of the circulating fan, combined with HEPA and activated carbon filters, the problem of cumbersome filter replacement is solved, enabling quick replacement and multi-angle air delivery, improving air purification and air delivery efficiency, and enhancing the user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO VEMPU INTELLIGENT TECH CO LTD
- Filing Date
- 2025-08-28
- Publication Date
- 2026-07-17
AI Technical Summary
The replacement process for the filter components of existing circulating fans is complicated, requires tools, and is time-consuming, which affects the user's maintenance convenience and air purification effect.
A detachable filter assembly is added to the air inlet of the circulating fan. It adopts a magnetic structure and guide groove design, combined with HEPA filter and activated carbon filter. It can be quickly installed and removed by pull ring. Horizontal swing and pitch oscillation components are set in the body to achieve multi-angle air delivery.
It enables quick replacement of filter components and multi-angle air delivery, improving air purification effect and air delivery efficiency, simplifying maintenance operations, and improving user experience and air quality.
Smart Images
Figure CN224515446U_ABST
Abstract
Claims
1. A circulating fan, comprising a base (1), a body (2), and an air supply assembly (3) disposed on the body (2), characterized in that: The air supply assembly (3) includes a rear cover (32) and a front cover (31) arranged sequentially along the air inlet direction. The rear cover (32) is provided with a drive motor (4), and the front cover (31) is provided with a fan blade (41) driven by the drive motor (4). A support ring (33) is provided on the front cover (31), and an upward-facing slot (34) is formed on the support ring (33). A filter assembly (5) is detachably installed in the slot (34). The filter assembly (5) is located on the air inlet side of the fan blade (41). The filter assembly (5) includes a filter housing (51) and a filter unit fixed in the filter housing (51). Upper magnetic suction members (54) are provided at both ends of the filter housing (51), and lower magnetic suction members (341) are provided at both ends of the support ring (33). The upper magnetic suction members (54) and the lower magnetic suction members (341) are arranged opposite to each other.
2. A circulation fan according to claim 1, wherein: The support ring (33) is provided with a limiting protrusion (342), and the filter screen housing (51) is provided with a limiting groove (55). The limiting protrusion (342) and the limiting groove (55) are inserted into each other.
3. A circulation fan according to claim 1, wherein: The slot (34) is provided with a support sleeve (35), the output end of the drive motor (4) is connected to a shaft (42), the shaft (42) passes through the support sleeve (35) and is connected to the fan blade (41), the filter screen housing (51) is provided with an installation groove (511), and the support sleeve (35) is inserted into the installation groove (511).
4. A circulating fan according to claim 3, wherein: The support sleeve (35) is provided with a guide protrusion (351), and the filter housing (51) is provided with a guide groove (512), and the guide groove (512) slides in cooperation with the guide protrusion (351).
5. A circulation fan according to claim 1, wherein: The filter unit includes a first filter (52) and a second filter (53) spaced apart in the filter housing (51) along the air inlet direction. The first filter (52) is a HEPA filter and the second filter (53) is an activated carbon filter.
6. A circulation fan according to claim 1, wherein: The top of the filter housing (51) is provided with a pull ring (513), which extends out of the front cover (31).
7. A circulation fan according to claim 1, wherein: The body (2) is provided with a horizontal swing assembly (6). The horizontal swing assembly (6) includes a horizontally arranged swing bracket (61), a swing motor (62), a first swing rod (63), a second swing rod (64), and a swing shaft (65). The swing bracket (61) is rotatably connected to the base (1). The swing motor (62) is fixed to the swing bracket (61) and drives the first swing rod (63) to rotate. One end of the second swing rod (64) is hinged to the end of the first swing rod (63) away from the swing motor (62). The end of the second swing rod (64) away from the first swing rod (63) is hinged to the swing shaft (65). The swing shaft (65) is fixedly connected to the base (1).
8. A circulation fan according to claim 1, wherein: The rear cover body (32) is rotationally connected to the machine body (2), and a pitching and nodding assembly (7) is arranged in the rear cover body (32). The pitching and nodding assembly (7) comprises a vertically arranged pitching support (78), a pitching motor (71), a first pitching rod (72), a second pitching rod (73) and a pitching rotating shaft (74). The pitching support (78) is fixed in the rear cover body (32), the pitching motor (71) is fixed to the pitching support (78) and drives the first pitching rod (72) to rotate, one end of the second pitching rod (73) is hingedly connected to the end of the first pitching rod (72) away from the pitching motor (71), the end of the second pitching rod (73) away from the first pitching rod (72) is hingedly connected to the pitching rotating shaft (74), and the pitching rotating shaft (74) is fixedly connected to the machine body (2).
9. A circulating fan according to claim 8, wherein: A stop buckle (75) is arranged in the rear cover body (32), a plurality of clamping grooves (76) are arranged on the pitching rotating shaft (74), the stop buckle (75) is clamped and matched with the clamping grooves (76), and an elastic member (77) is arranged between the stop buckle (75) and the rear cover body (32).