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CN-224200832-U - Air guide frame, fan head and handheld fan that gathers

CN224200832UCN 224200832 UCN224200832 UCN 224200832UCN-224200832-U

Abstract

The application provides an air guide frame, a fan head and a handheld fan, wherein the air guide frame is used for being arranged at an air outlet of the fan head and guiding out wind from the fan, the air guide frame comprises an inner frame and a separation ring arranged at the periphery of the inner frame, a first air channel is formed at the periphery of the separation ring, a second air channel is formed between the inner frame and the separation ring, and the air guide frame can enable the wind speed of the wind guided out from the second air channel to be larger than the wind speed of the wind guided out from the first air channel. Compared with the prior art, the air guide frame provided by the application is provided with the first air duct and the second air duct, so that the air blown by the two air ducts at different wind speeds and angles can be mutually opposite to each other, turbulent air is formed, and further, the air is blown farther and the body feeling is more comfortable.

Inventors

  • CHEN MIAOSHENG

Assignees

  • 深圳市艾酷力科技有限公司

Dates

Publication Date
20260505
Application Date
20241213
Priority Date
20240802

Claims (15)

  1. 1. A wind guiding frame (3) for setting up at the air outlet (21) of fan head (2), fan head (2) has fan (4), wind guiding frame (3) are used for deriving the wind from fan (4), characterized in that, wind guiding frame (3) include inside casing (37) and set up at the spacer ring (34) of inside casing (37) periphery, spacer ring (34) periphery forms first wind channel (32), form second wind channel (33) between inside casing (37) and spacer ring (34), wind guiding frame (3) can make the wind speed of wind derived from second wind channel (33) be greater than the wind speed of wind derived from first wind channel (32); The air guide frame (3) further comprises a first grating (321) and a second grating (331), the first grating (321) is arranged in the first air duct (32), the second grating (331) is arranged in the second air duct (33), the first grating (321) and the air flow direction blown out by the fan (4) are arranged in parallel, so that the air flow blown out by the fan (4) is kept to be blown out of the air outlet (21) through the first grating (321), and the second grating (331) and the air flow direction blown out by the fan (4) are obliquely arranged, so that the air flow blown out by the fan (4) is obliquely and rotationally blown out of the air outlet (21) through the second grating (331).
  2. 2. The air guiding frame (3) according to claim 1, wherein the air guiding frame (3) further comprises a frame body (31), the frame body (31) is arranged at the periphery of the separation ring (34), and the first air duct (32) is located between the frame body (31) and the separation ring (34).
  3. 3. The air guiding frame (3) according to claim 2, wherein a length of the first grille (321) along an air guiding direction of the first air duct (32) is greater than a length of the second grille (331) along an air guiding direction of the second air duct (33).
  4. 4. A wind-guiding frame (3) according to claim 3, wherein the number of the first gratings (321) and the number of the second gratings (331) are plural, and the number of the first gratings (321) is greater than or equal to the number of the second gratings (331).
  5. 5. A wind guiding frame (3) according to claim 3, characterized in that the first grille (321) is connected between the frame body (31) and the separating ring (34), the second grille (331) is connected between the separating ring (34) and the inner frame (37), and the frame body (31), the first grille (321), the separating ring (34), the second grille (331) and the inner frame (37) are integrally formed.
  6. 6. The air guiding frame (3) according to claim 1, wherein the cross-sectional area of the side of the second air duct (33) close to the fan is larger than or equal to the cross-sectional area of the air outlet side of the second air duct (33).
  7. 7. A fan head, be provided with air intake (24) and air outlet (21) on the fan head, air intake (24) with be provided with fan (4) and drive assembly (6) thereof between air outlet (21), characterized in that, air outlet (21) is provided with wind-guiding frame (3) according to any one of claims 1-6.
  8. 8. The fan head according to claim 7, wherein the fan (4) comprises a hub (41) and at least two blades (43) circumferentially arranged along the hub (41), the blades (43) comprise a first blade (433) and a second blade (434), the first blade (433) is connected with the hub (41), the second blade (434) is connected with one end of the first blade (433) far away from the hub (41), the second blade (434) is arranged corresponding to the first air duct (32), and the first blade (433) is arranged corresponding to the second air duct (33).
  9. 9. The fan head according to claim 8, wherein the first blade (433) and the second blade (434) have an included angle (γ) between planes or curved surfaces on which the same side surfaces thereof are located, the first blade (433) is a first forward-swept blade region (431), the second blade (434) is a second forward-swept blade region or forward-swept blade region (432), and the forward-swept angle (α) of the first forward-swept blade region (431) is greater than the forward-swept angle (β) of the second forward-swept blade region or forward-swept blade region (432).
  10. 10. The fan head according to claim 7, further comprising a rear cover (5) disposed near one end of the air inlet (24), wherein one side of the rear cover (5) away from the air inlet (24) abuts against the air guiding frame (3) and covers the air guiding frame (3) outside the fan (4) and the driving assembly (6), the diameter of the rear cover (5) near one end of the air inlet (24) is smaller than the diameter of the rear cover near one end of the air inlet (24), and the diameter of the air guiding frame (3) near one end of the air outlet (21) is smaller than the diameter of the air outlet (21).
  11. 11. The fan head according to claim 10, further comprising a front frame (201) and a rear frame (202), wherein the front frame (201) and the rear frame (202) are detachably connected, the front frame (201) and the rear frame (202) are enclosed to form a cavity (203), the fan (4), the driving assembly (6), the air guiding frame (3) and the rear cover (5) are all arranged in the cavity (203), the air inlet (24) is arranged at one end of the rear frame (202) far away from the front frame (201), and the air outlet (21) is arranged at one end of the front frame (201) far away from the rear frame (202).
  12. 12. The fan head according to claim 11, wherein the rear cover (5) is provided with an abutting rib (51), the abutting rib (51) abuts against the rear frame (202), and the air guiding frame (3) and the front frame (201) are integrally formed.
  13. 13. The fan head according to claim 7, further comprising a decorative sheet (25), wherein the decorative sheet (25) is detachably covered on one end of the air guide frame (3) away from the air inlet (24), a protruding block (251) and a positioning column (252) are arranged on the decorative sheet (25), a clamping groove (361) and a positioning hole (362) are formed in the air guide frame (3), the positioning column (252) penetrates through the positioning hole (362), the protruding block (251) and the clamping groove (361) are detachably buckled, the decorative sheet (25) is of a circular structure, and the center portion of the decorative sheet protrudes towards one side away from the protruding block (251).
  14. 14. The fan head of claim 8, further comprising a connector (44 a), wherein the connector (44 a) connects the first blade (433 a) and the second blade (434 a), wherein the connector (44 a) is disposed around the hub, and wherein a distance from the connector (44 a) to the air inlet (24) is less than a distance from the hub to the air inlet (24).
  15. 15. A handheld fan comprising a wind-guiding frame (3) according to any one of claims 1-6, or a fan head according to any one of claims 7-14.

Description

Air guide frame, fan head and handheld fan that gathers Technical Field The application relates to the technical field of fans, in particular to an air guide frame, a fan head and a handheld fan. Background The fan is usually needed to be used in taking cool by means of wind in hot days, the handheld fan is a portable fan, the size of the fan is reduced, the whole weight is lightened, a user place is not restricted by a mains supply power grid line, the battery worn by the user provides electric energy, meanwhile, the handheld fan is provided with a part convenient for a user to hold, and the portable fan can meet the portable requirement to a certain extent. However, the existing fan blades are low in blowing efficiency, airflow is extremely easy to collapse after being blown out of the fan, so that the fan airflow cannot be blown out of a long distance, people need to get close to the air outlet of the fan to feel cool in actual use, and once the fan is taken away, wind power is too small due to airflow collapse, the cooling effect is poor, and the actual experience of a user is very affected. Disclosure of Invention The application aims at overcoming the defects and shortcomings of the prior art and providing an air guide frame, a fan head and a handheld fan, wherein the fan blades are arranged in abnormal shapes, and the air outlet is provided with two air channels, so that the inner air blown out by the fan head can drive the outer air to blow farther together. In order to achieve the above purpose, according to the first aspect of the present application, the air guiding frame is configured to be disposed at an air outlet of a fan head and guide air from a fan, the air guiding frame includes an inner frame and a separation ring disposed at a periphery of the inner frame, a first air duct is formed at the periphery of the separation ring, a second air duct is formed between the inner frame and the separation ring, and the air guiding frame is capable of enabling a wind speed of the air guided out from the second air duct to be greater than a wind speed of the air guided out from the first air duct. Compared with the prior art, the air guide frame provided by the application is provided with the first air duct and the second air duct, so that the wind speeds of the wind blown out by the two air ducts are different, and the wind with different wind speeds and angles are opposite to each other, thereby forming turbulent wind, further blowing farther and having more comfortable body feeling, and improving the blowing effect. In one embodiment, the air guiding frame further comprises a frame body, the frame body is arranged on the periphery of the separation ring, and the first air duct is located between the frame body and the separation ring. In an embodiment, the air guiding frame further comprises a first grille, the first grille is arranged in the first air duct, the air guiding frame further comprises a second grille, the second grille is arranged in the second air duct, and the length of the first grille along the air guiding direction of the first air duct is greater than the length of the second grille along the air guiding direction of the second air duct. In one embodiment, the number of the first gratings and the number of the second gratings are multiple, and the number of the first gratings is greater than or equal to the number of the second gratings. In one embodiment, the first grille is connected between the frame and the spacer ring, the second grille is connected between the spacer ring and the inner frame, and the frame, the first grille, the spacer ring, the second grille, and the inner frame are all integrally formed. In one embodiment, the surface of the inner frame surrounding the second air duct is inclined relative to the air outlet direction of the second air duct, so that the outer diameter of the inner frame gradually increases along the air outlet direction of the second air duct. In a second aspect, the present application further provides a fan head, an air inlet and an air outlet are provided on the fan head, a fan and a driving component thereof are provided between the air inlet and the air outlet, and the air outlet is provided with the air guiding frame as described above. Adopt foretell wind-guiding frame, the fan head also has the beneficial effect of wind-guiding frame can realize that the wind speed of the wind that two wind channels blown out is different, and the wind of different wind speeds and angle is opposite to each other to form turbulent wind, and then blow more and the somatosensory more comfortable, promote the effect of blowing. In one embodiment, the fan comprises a hub and at least two blades arranged along the circumference of the hub, wherein each blade comprises a first blade and a second blade, the first blade is connected with the hub, the second blade is connected with one end of the first blade far away from the hub, the second blade is arrange