CN102878094A

CN102878094A - Fan combination

Info

Publication number: CN102878094A
Application number: CN201110196985.6A
Authority: CN
Inventors: 李亚中
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-07-14
Filing date: 2011-07-14
Publication date: 2013-01-16
Also published as: TW201304674A; US20130017076A1

Abstract

A fan combination comprises a fan and a fixing frame, wherein the fixing frame comprises a first air vent and a second air vent which are opposite to each other; the fan is fixed in the fixing frame and is opposite to the second air vent; the fan combination further comprises a protective cover which is fixed between the fan and the first air vent; the protective cover is provided with a round opening corresponding to the first air vent; a plurality of vanes are mounted in the opening in a pivoting manner; both ends of each vane are arc, and the ends of the vanes form a circle together; the vanes shield the opening when the fan does not run, and the vanes is blown by the fan to rotate when the fan runs so as to expose the opening.

Description

Combination of fans

Technical field

The present invention relates to a kind of combination of fans, refer to especially a kind of combination of fans that is applied in the electronic device crates such as computer or server.

Background technique

In computer nowadays equipment; server is widely used with its powerful function; and for different demands; the server of various different characteristics is developed; as possesses the webserver of better stability; the storage server that possesses mass storage function; possesses the calculation server of quick calculation function etc.; the level of integration of these servers is very high; as in storage server; a plurality of hard disks generally are installed in a cabinet of server; in calculation server; a plurality of high speed central processing unit (CPU)s etc. are installed on the mainboard; therefore and server mostly is the whole day twenty four hours and does not shut down operation, just the thermal diffusivity of these machine box for server has been proposed higher requirement, and a fan Fixture has been installed in machine box for server usually; a plurality of fans are attached in this fan Fixture, and cabinet is dispelled the heat.

After computer or server did not use for a long time, dust can enter in the cabinet by the opening of machine box for server at the fan Fixture place, thereby affects computer or the later use of server.

Summary of the invention

In view of above content, be necessary to provide a kind of combination of fans of preventing dust.

A kind of combination of fans, comprise a fan and a fixing frame, described fixing frame comprises one first relative ventilated port and one second ventilated port, described fan is fixed in the described fixing frame and is relative with described the second ventilated port, described combination of fans also comprises a protective housing, described protective housing is fixed between described fan and described the first ventilated port, corresponding described the first ventilated port of described protective housing is provided with a circular open, some hinges are installed in the described opening pivotly, the two ends of these hinges are arc and jointly form a circle, these hinges are covered described opening when described fan does not move, these hinges are blown and are rotated by described fan when described fan operation, thereby do not cover described opening.

Compared to prior art, combination of fans of the present invention described hinge when described fan does not rotate is covered described opening, thereby prevents that dust from entering.

Description of drawings

Fig. 1 is the three-dimensional exploded view of combination of fans one preferred embodiment of the present invention.

Fig. 2 is another three-dimensional exploded view of the combination of fans of Fig. 1.

Fig. 3 is the stereogram of a protective housing of the combination of fans of Fig. 1.

Fig. 4 is a three-dimensional assembly diagram of the combination of fans of Fig. 1.

Fig. 5 is another three-dimensional assembly diagram of the combination of fans of Fig. 1.

The primary component symbol description

Fixing frame	20
		The first clamping plate	21
The first ventilated port	211
		Block button hole	213
The second clamping plate	23
		The second ventilated port	231
Dividing plate	25
		Partition	251
Fixed hole	253
		Putting chamber	27
Fan	30
		Framework	31
Side plate	34
		Shell fragment	35
Projection	351
		Protective housing	40
Framework	41
		Pivotal axis	413
Opening	418
		Fastener	43
Connecting sheet	431
		Tabs	432
Handle	433
		The buckle piece	435
Hinge	46
		The first side	461
The second side	462
		Fixing part	467
The free section	468
		The air channel	80

Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.

Embodiment

See also Fig. 1 and Fig. 2, combination of fans one preferred embodiment of the present invention comprises a fixing frame 20, a fan 30 and a protective housing 40.

This fixing frame 20 comprises one first clamping plate 21 that be arranged in parallel and one second clamping plate 23, and after fixing frame 20 was installed in the electronic equipment, the second clamping plate 23 were positioned at the electronic equipment inboard, and the first clamping plate 21 are towards the electronic equipment outside; The first clamping plate 21 and the second clamping plate 23 all bend setting, be provided with the dividing plate 25 of some connections between the first clamping plate 21 and the second clamping plate 23, thereby be separated out the putting chamber 27 of four formed objects at fixing frame 20, a fan 30 and a protective housing 40 all can be installed in each putting chamber 27; The first clamping plate 21 have been offered respectively one first ventilated port 211 at each putting chamber 27 place, the first clamping plate 21 are provided with a block button hole 213 at the first ventilated port 211, the second clamping plate 23 have been offered respectively one second ventilated port 231 at each putting chamber 27 place, the first ventilated port 211 is relative with the second ventilated port 231, be respectively equipped with a pair of partition 251 on the dividing plate 25 of each putting chamber 27 both sides, partition 251 is perpendicular to dividing plate 25, and the distance between partition 251 and the first clamping plate 21 is less, and the distance between the second clamping plate 23 is larger, two pairs of partitions 251 of two dividing plates 25 are divided into a fan installing space (not label) and a protective housing installing space (not label) with putting chamber 27, the fan installing space is adjacent with the second clamping plate 23, and the protective housing installing space is adjacent with the first clamping plate 21; Also be provided with a fixed hole 253 on each dividing plate 25.

Fan 30 comprises a framework 31 and is arranged on blade in this framework 31, and framework 31 comprises side plate 34, and side plate 34 is provided with the shell fragment 35 of a bending and elastically deformable, and shell fragment 35 is provided with a projection 351 that protrudes from side plate 34.

See also Fig. 2 and Fig. 3, this protective housing 40 comprises a square framework 41, the top of framework 41 extends upward and forms a fastener 43, fastener 43 comprises a connecting piece 431, one folding piece 432 and leader 433, connecting sheet 431 is vertically connected on the framework 41, tabs 432 forms from the vertical bending in the upper end of connecting sheet 431, and the free end of tabs 432 extends vertically upward and forms this handle 433, and the joint of tabs 432 and connecting sheet 431 has been convexly equipped with a buckle piece 435; The middle part of framework 41 is the circular open 418 that is provided with of hollow, some pivotal axis 413 are fixed in the opening 418 of framework 41 obliquely, and can rotate relative to framework 41, these pivotal axis 413 are arranged in parallel in opening 418 successively, fixed respectively a hinge 46 on each pivotal axis 413, each hinge 46 comprises that respectively one is fixed on fixing part 467 and the free section 468 on the pivotal axis 413, described fixing part 467 is fixed on the pivotal axis 413, hinge 46 can be rotated with pivotal axis 413, and each hinge 46 comprises respectively one first side 461 and one second side 462; In two adjacent hinges 46, wherein the second side 462 of the free section 468 of a hinge 46 is pressed on first side 461 of fixing part 467 of another hinge 46, the two ends of these hinges 46 are arc, and jointly form a circle, thereby circular open 418 is covered.

See also Fig. 1 to Fig. 5, during assembling, fan 30 is packed in the fan installing space of putting chamber 27, fan 30 is along a Slideslip of partition 251, shell fragment 35 and the dividing plate 25 of fan 30 offset, shell fragment 35 is compressed and resiliently deformable, mobile fan 30 is until the projection 351 of shell fragment 35 is relative with the fixed hole 253 of dividing plate 25, shell fragment 35 elastic recoverys and projection 351 is fixed in the fixed hole 253, thereby fan 30 is fixed in the fan installing space, herein, fan 30 is relative with the second ventilated port 231 of the second clamping plate 23.

Then protective housing 40 is packed in the protective housing installing space of putting chamber 27, protective housing 40 slides along the opposite side of partition 251, make the second side 462 of hinge 46 relative with fan 30, the buckle piece 435 of the fastener 43 of protective housing 40 is snapped in the block button hole 213 of the first clamping plate 21, thereby protective housing 40 is fixed in the protective housing installing space, herein, the first side 461 of hinge 46 is relative with the first ventilated port 211 of the first clamping plate 21.

During this combination of fans work, fan 30 rotates and air-flow is sucked from the second ventilated port 231, air flow stream passing through fan 30 and blow to the second side 462 of the hinge 46 of protective housing 40, hinge 46 is blown to such an extent that rotate and is formed an air channel 80(see Fig. 5 between per two adjacent hinges 46), thus make air-flow flow out circular open 418 and the first ventilated port 211; When not needing fan 30 heat radiation, hinge 46 is owing to action of gravitation covers air channel 80, thereby covers the first ventilated port 211, just can prevent that dust from entering in the fixing frame 20.

Claims

1. combination of fans, comprise a fan and a fixing frame, described fixing frame comprises one first relative ventilated port and one second ventilated port, described fan is fixed in the described fixing frame and is relative with described the second ventilated port, it is characterized in that: described combination of fans also comprises a protective housing, described protective housing is fixed between described fan and described the first ventilated port, corresponding described the first ventilated port of described protective housing is provided with a circular open, some hinges are installed in the described opening pivotly, the two ends of these hinges are arc and jointly form a circle, these hinges are covered described opening when described fan does not move, these hinges are blown and are rotated by described fan when described fan operation, thereby do not cover described opening.

2. combination of fans as claimed in claim 1, it is characterized in that: some pivotal axis are fixed in the opening obliquely, and can rotate in opening, and these pivotal axis are arranged in parallel in described opening, and described hinge is fixed on the described pivotal axis.

3. combination of fans as claimed in claim 2, it is characterized in that: each hinge comprises that respectively one is fixed on fixing part and the free section on the described pivotal axis.

4. combination of fans as claimed in claim 3, it is characterized in that: each hinge comprises respectively one first side and one second side, the second side of the free section of a wherein hinge of adjacent two hinges is pressed on first side of fixing part of another hinge of adjacent two hinges, and the second side of described hinge is relative with described fan.

5. combination of fans as claimed in claim 1, it is characterized in that: a side of described fan is provided with a shell fragment, described shell fragment is provided with a projection, described fixing frame is provided with a fixed hole, described fan is packed in the described fixing frame, and described shell fragment is compressed and described projection is fixed in the described fixed hole.

6. combination of fans as claimed in claim 1, it is characterized in that: described fixing frame is provided with a block button hole, and described protective housing is provided with a buckle piece, and described buckle piece is snapped in the described block button hole.

7. combination of fans as claimed in claim 1 is characterized in that: be provided with a partition in the described fixing frame described fan and described protective housing are separated.