cooling fan for laptop
A technology for notebook computers and cooling fans, which is applied to components of pumping devices for elastic fluids, non-variable-capacity pumps, pump components, etc., can solve the problems of loud fan noise and affecting the comfort of users of electronic products, etc. Achieve the effect of improving heat dissipation performance, improving reliability and service life, and improving bonding strength
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Embodiment 1
[0022] Embodiment 1: A cooling fan for a notebook computer, comprising: an upper cover 1, a metal base 2, and an impeller 3 located between the upper cover 1 and the metal base 2, and the edge of the metal base 2 has a side wall Plate 4, an air outlet 5 is opened on one side of the side wall plate 4, an upper air inlet 6 is opened on the upper cover plate 1, a positioning cylinder 7 is arranged at the center of the metal bottom plate 2, and the impeller 3 further includes a bottom There is a hub 31 with a shaft core rotor part 301 and several blades 32 arranged at intervals on the outer wall of the hub 31. The shaft core rotor part 301 of the impeller 3 is connected with the positioning cylinder 7 of the metal base plate 2 in rotation; The blade 32 of the impeller 3 is arc-shaped in the radial direction, and the height of the blade 32 of the impeller 3 gradually increases from the side close to the hub 31 to the side away from the hub 31;
[0023] The inner wall of the strip-s...
Embodiment 2
[0028] Embodiment 2: A cooling fan for a notebook computer, comprising: an upper cover 1, a metal base 2, and an impeller 3 located between the upper cover 1 and the metal base 2, and the edge of the metal base 2 has a side wall Plate 4, an air outlet 5 is opened on one side of the side wall plate 4, an upper air inlet 6 is opened on the upper cover plate 1, a positioning cylinder 7 is arranged at the center of the metal bottom plate 2, and the impeller 3 further includes a bottom There is a hub 31 with a shaft core rotor part 301 and several blades 32 arranged at intervals on the outer wall of the hub 31. The shaft core rotor part 301 of the impeller 3 is connected with the positioning cylinder 7 of the metal base plate 2 in rotation; The blade 32 of the impeller 3 is arc-shaped in the radial direction, and the height of the blade 32 of the impeller 3 gradually increases from the side close to the hub 31 to the side away from the hub 31;
[0029] The inner wall of the strip-s...
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