TW201309924A - Fan assembly - Google Patents

Abstract

A fan assembly includes a fan, a bracket, and a cover. The brackets includes a first air vent hole and a second air vent hole. The fan is mounted in the bracket to be aligned to the second air vent hole. The bracket includes a pair of engaging holes. The cover includes a pair of clasps, which is symmetrical about an axis. Each clasp includes an engaging portion which includes an inclined guiding edge. The pair of clasps engages in the pair of engaging holes to mount the cover on the bracket. The pair of clasps is bent. The guiding edge slides along an edge of the engaging hole. The edge of the engaging hole pushes the guiding edge to push the clasp out of the engaging hole.

Description

Fan combination

The invention relates to a fan combination, in particular to a fan combination applied in an electronic device chassis such as a computer or a server.

In the system of the server, there are often multiple fans to help dissipate heat. Since the server is in continuous operation, the server can continue to work even if one of the fans fails, but if there is a fan failure, The vent of the failed fan can cause the flow direction of the airflow to be disordered, thereby affecting the working efficiency of the fan.

In view of the above, it is necessary to provide a fan combination that prevents turbulence.

A fan assembly includes a fan, a fixed frame and a protective cover, the fixed frame includes a first vent and a second vent, the fan is fixed to the fixed frame and opposite to the second vent a pair of snap holes are disposed adjacent to the first venting opening, the protective cover includes a pair of latching members, the pair of latching members are symmetrically arranged with respect to a symmetry axis, and each of the latching members is respectively provided with a card a buckle portion, the buckle portion includes a slanted guiding edge, and the buckle portion of the pair of latching members is buckled in the pair of latching holes to fix the shield to a position opposite to the first venting opening, Pulling the latching member oppositely causes the guiding edge to slide along the edge of the snap hole, and the edge of the snap hole pushes the guiding edge to cause the latching portion to withdraw from the latching hole.

Compared with the prior art, the protective cover of the fan combination of the present invention can shield the first vent to prevent turbulence.

Referring to FIG. 1 and FIG. 2, a preferred embodiment of the fan assembly of the present invention includes a mounting bracket 20, a fan 30 and a shield 40.

The mounting bracket 20 includes a first clamping plate 21 and a second clamping plate 23. The second clamping plate 23 is located inside the electronic device, and the first clamping plate 21 faces the outside of the electronic device. The first clamping plate 21 and the second clamping plate 23 are both bent and disposed, and a plurality of partitions 25 are connected between the first clamping plate 21 and the second clamping plate 23 to separate four identical sizes on the fixing frame 20. A chamber 27 is disposed in each of the accommodating chambers 27, and a first venting opening 211 is defined in each of the accommodating chambers 27, and the first clamping plate 21 defines a first venting opening 211. A first venting opening 231 is defined in the first venting opening 211. The second venting opening 211 is opposite to the second venting opening 231. A pair of spacers 251 are respectively disposed on the partitions 25 on both sides of a receiving chamber 27, the spacers 251 are perpendicular to the partitions 25, and the distance between the spacers 251 and the first vents 211 is small, and the second ventilation is provided. The distance between the ports 231 is relatively large, and the two pairs of spacers 251 of the two partitions 25 divide the accommodation chamber 27 into a fan installation space 28 a shield installation space 29, the fan installation space 28 is adjacent to the second clamp 23, the shield installation space 29 is adjacent to the first clamp 21; each partition 25 is further provided with a fixing hole 253; the first clamp 21 includes An inner side 215 and an outer side 216, the inner side 215 faces the second clamping plate 23, and the outer side 216 faces away from the second clamping plate 23.

The fan 30 includes a frame 31 and a blade disposed in the frame 31. The frame 31 includes a side plate 34. The side plate 34 is provided with a curved and elastically deformable elastic piece 35. The elastic piece 35 is provided with a protrusion protruding from the side plate 34. 351.

Referring to FIG. 2 and FIG. 3, the protective cover 40 includes a square frame 41. The upper portion of the frame 41 extends upward to form two latching members 43. The two latching members 43 are symmetrically arranged with respect to an axis of symmetry. The fasteners 43 respectively include a connecting piece 431 connected to the frame body 41. The end of the connecting piece 431 extends vertically upward to form a bending piece 432. The bending piece 432 extends perpendicularly to the other fastening piece 43 to form a bending piece 432. The latching piece 433 and the end of the latching piece 433 extend vertically upward to form a triggering portion 435. The accommodating portion 435 is provided with a receiving hole 436. The bending piece 432 can be elastically bent, and one side of the locking piece 433 A buckle portion 437 is formed on the edge of the substantially right-angled triangle. One of the right-angled sides of the right-angled triangle is an edge of the buckle piece 433, and a second right-angled edge is a stop edge 438. The beveled edge is a guiding edge 439 adjacent to the bending piece 432. The guiding edge 439 is adjacent to the pulling portion 435, and the leading edge 439 is away from the edge of the snap tab 433. The direction of the trigger portion 435 gradually increases.

The middle portion of the frame body 41 is hollow and is provided with an opening 418. The plurality of sheets 46 are pivotally mounted in the opening 418. Each of the sheets 46 includes a fixing portion 467 pivotally fixed to the frame 41 and a fixing portion 467. The free portion 468, each of the sheets 46 includes a first side 461 and a second side opposite the first side 461 (not shown); among the adjacent two sheets 46, one of the sheets 46 The second side of the free portion 468 is pressed against the first side 461 of the fixing portion 467 of the other sheet 46. The sheets 46 shield the opening 418. The frame 41 is opposite to each of the sheets 46 on the inner side of the opening 418. A pair of baffles 417 are provided.

Referring to FIG. 1 to FIG. 5 , during assembly, the fan 30 is installed in the fan installation space 28 of the accommodating chamber 27 , and the fan 30 slides along one side of the spacer 251 , and the elastic piece 35 of the fan 30 abuts against the partition 25 . The elastic piece 35 is elastically deformed by being pressed, and the fan 30 is moved until the convex piece 351 of the elastic piece 35 opposes the fixing hole 253 of the partition plate 25, and the elastic piece 35 elastically recovers to fix the convex piece 351 into the fixing hole 253, thereby fixing the fan 30. In the fan installation space, here, the fan 30 is opposed to the second vent 231 of the second platen 23.

The shield 40 is then placed in the shield mounting space 29 of the housing chamber 27 such that the second side of the sheet 46 is opposite the fan 30, and the shield 40 is slid along the other side of the spacer 251 until the latch 43 The latching portion 437 abuts against the first clamping plate 21, and continues to slide the protective cover 40 into the protective cover mounting space 29. The inner side 215 of the first clamping plate 21 abuts against the locking portion 437 and elastically deforms the locking portion 437, and the locking portion The 437 is slid on the inner side 215 of the first clamping plate 21 until the locking portion 437 is opposite to the locking hole 213, and the locking portion 437 is elastically restored to cause the locking portion 437 to be snapped into the locking hole 213, and the locking portion 437 is blocked. The edge 438 abuts against the edge of the snap hole 213 to secure the shield 40 into the shield mounting space 29, where the first side 461 of the sheet 46 is opposite the first vent 211 of the first jaw 21 .

When the fan is combined, the fan 30 rotates to draw airflow from the second vent 231 in a first direction perpendicular to the second clamping plate 23, and the airflow flows through the fan 30 in the first direction to the page of the protective cover 40. On the second side of the sheet 46, the sheet 46 is blown to rotate to form a duct 80 (see FIG. 5) between each two adjacent sheets 46, thereby causing the airflow to flow out of the opening 418 along the first direction. A vent 211; when the fan 30 is not in operation, the sheet 46 shields the air passage 80 due to gravity, thereby shielding the first vent 211, thereby preventing turbulence.

Referring to FIG. 4 to FIG. 6 , when the protective cover 40 needs to be taken out from the protective cover mounting space 29 of the fixing frame 20 , the user's finger extends into the two receiving holes 436 of the two fastening members 43 along a vertical direction. The second direction of the first direction aligns the two clamping portions 435 of the two latching members 43 to elastically bend the bending piece 432. The inclined guiding edge 439 of the locking portion 437 is along the edge of the locking hole 213. When the guiding edge 439 slides over the edge of the locking hole 213, the edge of the locking hole 213 simultaneously pushes the protective cover 40 in the opposite direction to the first direction, so that the locking portion 437 is caused. The shield 40 is withdrawn from the shield opening 213, and the shield 40 is lifted upwardly in a third direction perpendicular to the first direction and the second direction, thereby removing the shield 40 from the shield mounting space 29.

In summary, the present invention is in accordance with the conditions of the invention patent application, and the patent application is filed according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art to the spirit of the present invention should be included in the following claims.

20. . . Fixing frame

twenty one. . . First splint

211. . . First vent

213. . . Buckle hole

215. . . Inside

216. . . Outside

twenty three. . . Second splint

231. . . Second vent

25. . . Partition

251. . . bead

253. . . Fixed hole

27. . . Housing room

28. . . Fan installation space

29. . . Shield installation space

30. . . fan

31. . . frame

34. . . Side panel

35. . . shrapnel

351. . . Bump

40. . . protecting mask

41. . . framework

417. . . Bar

418. . . Opening

43. . . Fastener

431. . . Connecting piece

432. . . Bent piece

433. . . Clip

435. . . Trigger

436. . . Socket hole

437. . . Buckle

438. . . Stopping edge

439. . . Leading edge

46. . . Page

461. . . First side

467. . . Fixed part

468. . . Free department

80. . . Wind tunnel

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective exploded view of a preferred embodiment of a fan assembly of the present invention.

2 is another perspective exploded view of the fan assembly of FIG. 1.

Figure 3 is a perspective view of a shield of the fan assembly of Figure 1.

4 is an assembled, isometric view of the fan assembly of FIG. 1.

Figure 5 is another perspective assembled view of the fan assembly of Figure 1.

Figure 6 is a partial assembled view of the fan assembly of Figure 1.

20. . . Fixing frame

twenty one. . . First splint

211. . . First vent

213. . . Buckle hole

215. . . Inside

twenty three. . . Second splint

231. . . Second vent

25. . . Partition

251. . . bead

253. . . Fixed hole

27. . . Housing room

28. . . Fan installation space

29. . . Shield installation space

30. . . fan

31. . . frame

40. . . protecting mask

Claims (10)

A fan assembly includes a fan, a fixed frame and a protective cover, the fixed frame includes a first vent and a second vent, the fan is fixed to the fixed frame and opposite to the second vent a pair of snap holes are disposed adjacent to the first venting opening, the protective cover includes a pair of latching members, the pair of latching members are symmetrically arranged with respect to a symmetry axis, and each of the latching members is respectively provided with a card a buckle portion, the buckle portion includes a slanted guiding edge, and the buckle portion of the pair of latching members is buckled in the pair of latching holes to fix the shield to a position opposite to the first venting opening, Pulling the latching member oppositely causes the guiding edge to slide along the edge of the snap hole, and the edge of the snap hole pushes the guiding edge to cause the latching portion to withdraw from the latching hole. The fan assembly of claim 1, wherein each of the fastening members comprises a connecting piece connected to the protective cover, and the end of the connecting piece extends vertically upward to form a bending piece, and the bending piece is opposite to the other. A snap fastener extends vertically to form a latching piece, and the latching portion protrudes from an edge of the latching piece. The fan assembly of claim 2, wherein the buckle portion is substantially a right-angled triangle, and the oblique side of the right-angled triangle is the guiding edge, and the right-angled edge of the right-angled triangle is the edge of the buckle piece. . The fan assembly of claim 3, wherein the other right-angled side of the right-angled triangle is a stop edge, and the stop edge is engaged with the buckle when the buckle portion is snapped into the buckle hole. The edges of the holes are offset. The fan assembly of claim 4, wherein the end of the locking piece extends vertically upward to form a triggering portion, the blocking edge is adjacent to the bending piece, and the guiding edge is adjacent to the pulling portion. Pulling the trigger portion bends the bent portion to move the snap tab and the buckle portion. The fan assembly of claim 5, wherein the edge of the guiding edge to the edge of the locking piece is gradually increased in a direction away from the pulling portion. The fan assembly of claim 2, wherein the fan drive airflow flows through the second vent in a first direction, and the end of the snap tab extends vertically upward to form a trigger portion along a vertical Pulling the triggering portion in the second direction of the first direction bends the bent portion to move the snap tab and the buckle portion. The fan assembly of claim 7, wherein the accommodating portion is provided with a receiving hole, and after the locking portion is withdrawn from the locking hole, the finger extends into the receiving hole and is perpendicular to the The shield is removed from the holder by a third direction of the first direction and the second direction. The fan assembly of claim 1, wherein the protective cover is provided with an opening corresponding to the first vent, and the plurality of sheets are pivotally mounted in the opening, the sheets are not in operation when the fan is not in operation The opening is shielded, and the sheets are rotated by the fan while the fan is running, so as not to obscure the opening. The fan assembly of claim 1, wherein the fixing frame is provided with a spacer separating the fan from the protective cover, the distance between the spacer and the first vent is small and the spacer The distance from the second vent.