CN2394032Y

CN2394032Y - Vortex heat radiating fan

Info

Publication number: CN2394032Y
Application number: CN 99244931
Authority: CN
Inventors: 洪银树
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 1999-09-22
Filing date: 1999-09-22
Publication date: 2000-08-30
Anticipated expiration: 2009-09-22

Abstract

The utility model relates to a heat radiation fan, which can increase heat radiation range, a vortex heat radiation fan comprises a shell seat and a fan wheel. The utility model is characterized in that the shell seat is composed of a wall and a bottom, the wall can enclose and form a containing space, and the bottom is provided with a shaft hole or a shaft pipe. The shaft hole or the shaft pipe are arranged in the position which is a little deviated from the center of the containing space, the wall is provided with a notch so as to form a side air outlet, and the bottom is provided with a notch so as to form a lower air outlet. The fan wheel is provided with axial flow type blades and is pivoted on the shaft hole or the shaft pipe on the bottom of the shell seat, and the utility model is used for heat radiation.

Description

Scroll-Type Cooling Fan

The utility model relates to a kind of fan.

The bulletin of existing patent applied for is 293568, name is called " the improvement structure of ultrathin centrifugal fan is accused ", it establishes the exhaust outlet that the holding space and that forms the vortex passage forms breach by pedestal, holding space is established pore, for the central siphon winding of coil base, coil base is planted with axle for impeller with axis hole, produces magnetic field with coil, the rotation of driving impeller, impeller vane drive wind is sent by exhaust outlet.The wind that this structure is sent is for sending towards a side-blown according to exhaust outlet, and therefore, the heat radiation scope is restricted radiating effect only in side direction.

The purpose of this utility model provides a kind of radiating effect Scroll-Type Cooling Fan preferably.

The purpose of this utility model is achieved in that Scroll-Type Cooling Fan, it comprises: shell block, impeller, it is characterized in that: this shell block is formed by wall and bottom, the wall corral forms a holding space, axis hole or central siphon are established in the bottom, axis hole or central siphon are located at the position that slightly is offset the holding space center, the jagged formation side air-out of wall mouth, exhaust outlet under the jagged formation in bottom; Impeller is provided with axial--flow blading and is articulated in the axis hole or the central siphon of shell block bottom.

Above-mentioned design, impeller are driven the gas that send and can be blown out by side air-out mouth and following exhaust outlet, make the heat radiation expanded range, and radiating effect is better.

Below by drawings and Examples the utility model is described further again:

Fig. 1 is the utility model first embodiment's exploded perspective view;

Fig. 2 makes up plan view for the utility model first embodiment;

Fig. 3 is the 3-3 sectional view of Fig. 2;

Fig. 4 is the utility model second embodiment's exploded perspective view;

Fig. 5 is the utility model the 3rd embodiment's exploded perspective view;

Fig. 6 makes up plan view for the utility model second embodiment;

As Figure 1-3: the utility model comprises: shell block 1, impeller 2, it is characterized in that: this shell block 1 is formed by wall 11 and bottom 12, wall 11 corrals form a holding space 13, axis hole 14 or central siphon 21 are established in bottom 12, axis hole 14 or central siphon 21 are located at the position that slightly is offset holding space 13 centers, wall 11 jagged formation side air-out mouths 15, exhaust outlet 16 under the 12 jagged formation of bottom; Impeller 2 is provided with axial--flow blading 22 and is articulated in the axis hole 14 or the central siphon 21 of shell block 1 bottom 11.Wherein, this shell block 1 is established dispensing hole 17 with in conjunction with a cover plate 18.Wherein, this shell block 1 is established lead-in wire groove 19, pulls out for lead-in wire.

As shown in Figure 4: wherein, this bottom 12 is connected with wall 11 with steady arm, to form the following exhaust outlet 16 of breach.Can enlarge airflow range thus.

Shown in Fig. 5,6: this shell block 3 comprises wall 31, bottom 32 and big tie point is arranged for the two or by the steady arm connection, the holding space of formation is for impeller 2 rotations, and axis hole 34 is established in bottom 32.Wherein, this wall 31 forms the open of local no shell wall, and to form the side air-out mouth 35 of breach, bottom 32 breach form down exhaust outlet 36, can enlarge airflow range equally, improve radiating effect.

Claims

1, Scroll-Type Cooling Fan, it comprises: shell block, impeller, it is characterized in that: this shell block is formed by wall and bottom, the wall corral forms a holding space, axis hole or central siphon are established in the bottom, axis hole or central siphon are located at the position that slightly is offset the holding space center, the jagged formation side air-out of wall mouth, exhaust outlet under the jagged formation in bottom; Impeller is provided with axial--flow blading and is articulated in the axis hole or the central siphon of shell block bottom.

2, Scroll-Type Cooling Fan as claimed in claim 1 is characterized in that: wherein, this shell block is established dispensing hole with in conjunction with a cover plate.

3, Scroll-Type Cooling Fan as claimed in claim 1 is characterized in that: wherein, this shell block is established the lead-in wire groove, pulls out for lead-in wire.

4, Scroll-Type Cooling Fan as claimed in claim 1 is characterized in that: wherein, this bottom is connected with wall with steady arm, to form the following exhaust outlet of breach.

5, Scroll-Type Cooling Fan as claimed in claim 1 is characterized in that: wherein, this wall forms the open of local no shell wall, to form the side air-out mouth of breach.