U.S. patent application number 12/494284 was filed with the patent office on 2010-12-02 for heat dissipating device and fixing bracket thereof.
This patent application is currently assigned to HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD. Invention is credited to XIAO-ZHU CHEN, CHIA-SHIN CHOU, ZHEN-XING YE.
Application Number | 20100300662 12/494284 |
Document ID | / |
Family ID | 43218892 |
Filed Date | 2010-12-02 |
United States Patent
Application |
20100300662 |
Kind Code |
A1 |
CHOU; CHIA-SHIN ; et
al. |
December 2, 2010 |
HEAT DISSIPATING DEVICE AND FIXING BRACKET THEREOF
Abstract
A heat dissipating device includes a heat sink, a fan, and a
fixing bracket. The fixing bracket includes a first fixing element
and a second fixing element mounted to the first fixing element. An
airflow opening is defined in each of the first and second fixing
elements. A receiving space communicating with the airflow openings
is bounded by the first and second fixing elements, to receive the
heat sink. The first and second fixing elements are used to
selectively mount the fan.
Inventors: |
CHOU; CHIA-SHIN; (Tu-Cheng,
TW) ; CHEN; XIAO-ZHU; (Shenzhen City, CN) ;
YE; ZHEN-XING; (Shenzhen City, CN) |
Correspondence
Address: |
Altis Law Group, Inc.;ATTN: Steven Reiss
288 SOUTH MAYO AVENUE
CITY OF INDUSTRY
CA
91789
US
|
Assignee: |
HONG FU JIN PRECISION INDUSTRY
(ShenZhen) CO., LTD
Shenzhen city
CN
HON HAI PRECISION INDUSTRY CO., LTD.
Tu-Cheng
TW
|
Family ID: |
43218892 |
Appl. No.: |
12/494284 |
Filed: |
June 30, 2009 |
Current U.S.
Class: |
165/121 ;
165/185; 417/423.15 |
Current CPC
Class: |
H01L 2924/0002 20130101;
H01L 23/467 20130101; H01L 2924/0002 20130101; H01L 2924/00
20130101 |
Class at
Publication: |
165/121 ;
165/185; 417/423.15 |
International
Class: |
F28F 7/00 20060101
F28F007/00; F04D 29/60 20060101 F04D029/60 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 2, 2009 |
CN |
200910302840.2 |
Claims
1. A heat dissipating device comprising: a heat sink; a fan; and a
fixing bracket comprising: a first fixing element defining a first
airflow opening corresponding to the fan; and at least one second
fixing element mounted to the first fixing element, and defining a
second airflow opening corresponding to the fan; wherein the at
least one second fixing element and the first fixing element bound
a receiving space to receive the heat sink, wherein the receiving
space communicates with the first airflow opening and the second
airflow opening of each of the at least one second fixing element,
wherein the fan is selectively mounted to one of the first fixing
element and the at least one second fixing element.
2. The heat dissipating device of claim 1, wherein the first fixing
element comprises a first base and two side panels mounted on the
first base, a first accommodating space is bounded by the first
base and the panels for receiving the fan, wherein a locking
portion projects inward from an upper portion of each panel to lock
the fan, the first airflow opening is defined in the first base,
each second fixing element is mounted on one side of the first
base.
3. The heat dissipating device of claim 2, wherein at least one bar
extend downwards from a bottom of the first base, a sliding slot is
defined in each bar, to engage with a corresponding second fixing
element.
4. The heat dissipating device of claim 3, wherein each of the at
least one second fixing element comprises a second base, the second
airflow opening is defined in the second base, two opposite sliding
paths are defined in opposite surfaces of an upper portion of the
second base, to form a sliding portion between the sliding paths,
to engage in the corresponding sliding slot of the first base.
5. The heat dissipating device of claim 4, wherein a locking
portion perpendicularly extends from a bottom of the second base to
lock the heat sink, each second fixing element further comprises at
least one latching element, each latching element comprises a
fixing portion to fix the fan, and a locating portion
perpendicularly extends from a first end of the fixing portion to
locate the fan on the second base, wherein a latching block
perpendicularly extends from a second end opposite to the first end
of the fixing portion, away from the locating portion.
6. A fixing bracket to fix a fan on a heat sink, the fixing bracket
comprising: a first fixing element defining a first airflow opening
corresponding to the fan; and at least one second fixing element
mounted to the first fixing element and defining a second airflow
opening corresponding to the fan, wherein a receiving space is
bounded by the first fixing element and the at least one second
fixing element, communicating with the first and second airflow
openings, to receive the heat sink; wherein one of the first fixing
element and the at least one second fixing element is operable to
mount the fan.
7. The fixing bracket of claim 6, wherein the first fixing element
comprises a first base and two panels mounted on opposite ends of
the first base, a first accommodating space is bounded by the first
base and the panels for receiving the fan, a locking portion
projects from an upper portion of each panel towards the other
panel to lock the fan, the first airflow opening is defined in the
first base.
8. The fixing bracket of claim 7, wherein at least one bar extends
downwards from the first base, a sliding slot is defined in each
bar to slidably engage with the corresponding second fixing
element.
9. The fixing bracket of claim 8, wherein each of the at least one
second fixing element comprises a second base, the second airflow
opening is defined in the second base, wherein a sliding portion is
formed on a top of the second base, to slidably engage in the
corresponding sliding slot of the first base.
10. The fixing bracket of claim 9, wherein a locking portion
perpendicularly extends from a bottom of the second base to lock
the heat sink, each second fixing element further comprises at
least one latching element, each latching element comprises a
fixing portion to fix the fan, and a locating portion
perpendicularly extends from a first end of the fixing portion to
locate the fan on the second base, a latching block perpendicularly
extends from a second end opposite to the first end of the fixing
portion, away from the locating portion.
Description
BACKGROUND
[0001] 1. Technical Field
[0002] The present disclosure relates to heat dissipating devices,
and particularly to a heat dissipating device having a fixing
bracket.
[0003] 2. Description of Related Art
[0004] Generally speaking, a heat dissipation device includes a
heat sink and a fan to cool heat-generating components such as
central processing units (CPUs). A fan is generally fixed on the
heat sink via a fixing bracket. However, the fixing bracket can
only accommodate the fan at a single position, which does not allow
fixing the fan at other positions if needed to improve heat
dissipation.
BRIEF DESCRIPTION OF THE DRAWINGS
[0005] FIG. 1 is an exploded, isometric view of an exemplary
embodiment of a heat dissipating device, the heat dissipating
device including a fixing bracket.
[0006] FIG. 2 is an enlarged view of a circled portion II of FIG.
1.
[0007] FIG. 3 is an enlarged view of a circled portion III of FIG.
1.
[0008] FIG. 4 is an assembled, isometric view of the fixing bracket
of FIG. 1.
[0009] FIG. 5 is an assembled, isometric view of the heat
dissipating device of FIG. 1.
DETAILED DESCRIPTION
[0010] Referring to FIGS. 1 to 4, an exemplary embodiment of a heat
dissipating device 1 for an electronic element, such as a central
processing unit (CPU), includes a heat sink 2 to be mounted on the
CPU to absorb heat from the CPU, a fan 3, and a fixing bracket 4 to
fix the fan 3 to the heat sink 2.
[0011] The fixing bracket 4 includes a first fixing element 10 and
two second fixing elements 20 engaged with opposite sides of the
first fixing element 10.
[0012] The first fixing element 10 includes a first base 12 and two
panels 14 perpendicularly mounted on the first base 12 near two
ends of the first base 12. A first accommodating space 16 is
bounded by the first base 12 and the panels 14, for receiving the
fan 3. Two bars 121 perpendicularly extend down from opposite sides
of a bottom of the first base 12. A T-shaped sliding slot 1211 is
horizontally defined in each bar 121. An airflow opening 122 is
defined in a center of the first base 12, corresponding to the heat
sink 2. A locking portion 142 projects inward from an upper portion
of each panel 14. Two first ribs are mounted between each panel 14
and the first base 12, to reinforce the corresponding panel 14.
[0013] Each second fixing element 20 includes a second base 22 and
three resilient latching elements 21. The second base 22 includes a
first surface 222, a second surface 224 opposite to the first
surface 222, and two lateral surfaces 226 connected between
corresponding sides of the first and second surfaces 222, 224. An
airflow opening 223 is defined in a center of the second base 22,
extending through the first and second surfaces 222, 224. Two
opposite horizontal sliding paths 227 are defined in upper portions
of the first and second surfaces 222, 224, respectively; therefore,
a T-shaped sliding portion 228 corresponding to the sliding slot
1211 of the first base 12 is formed on the second base 22, between
the sliding paths 227. Three pairs of locking holes 225 are defined
in the second base 22. Two of the three pairs of locking holes 225
are located at opposite sides of the airflow opening 223, the
remaining pair is located below the airflow opening 223. A locking
portion 2242 perpendicularly extends from a bottom of the second
surface 224 of the second base 22.
[0014] Each latching element 21 is L-shaped, and includes a fixing
portion 211 and a locating portion 212 perpendicularly extending
from a first end of the fixing portion 211. A second rib 2112 is
positioned between the fixing portion 211 and the locating portion
212 to reinforce the locating portion 211. A latching block 2114
perpendicularly extends from a second end opposite to the first end
of the fixing portion 211, away from the locating portion 212. A
pair of through holes 2121 corresponding to a corresponding pair of
locking holes 225 of the second base is defined in the locating
portion 212, located at opposite sides of the second rib 2112.
[0015] Referring to FIG. 4, in assembling the fixing bracket 4,
each latching element 21 is mounted to the second base 22, via a
pair of screws 50 extending through the pair of through holes 2121
of the latching element 21 to be engaged in the corresponding pair
of locking holes 225 of the second base 22. Therefore, the latching
elements 21 are fixed to the first surface 222 of the second base
22, with two latching elements 21 located at opposite sides of the
airflow opening 223, and a latching element 21 located below the
airflow opening 223. A second accommodating space 26 is bounded by
the latching elements 21 and the second base 22, for receiving the
fan 3. The second bases 22 are engaged in the corresponding sliding
slots 1211 of the first base 12, via the sliding portions 228 of
the second bases 22 sliding into the sliding slots 1211 of the
first base 12. Therefore, the second fixing elements 20 are mounted
to the first fixing element 10. A receiving space 40 is bounded by
the first base 12 of the first fixing element 10 and the two second
bases 22 of the two fixing elements 20. The locking portions 2242
of the two fixing elements 20 are oppositely set to fix the heat
sink 2.
[0016] Referring to FIG. 5, in assembling the heat sink 2, the
second bases 22 are deformed away from each other, the heat sink 2
is placed in the receiving space 40 of the fixing bracket 4. The
second bases 22 are released to restore towards each other, to
sandwich the heat sink 2 therebetween. The locking portion 2242 of
the two second bases 22 respectively resiliently resist against two
sides of a bottom of the heat sink 2. Therefore, the heat sink 2
can be fixed to the fixing bracket 4 conveniently.
[0017] The fan 3 can be fixed to the first fixing element 10 or
each of the second fixing elements 20. Fixing modes of the first
fixing element 10 and each of the second fixing elements 20 are the
same. The fan 3 fixed to a second fixing element 20 is described as
an example. The latching elements 21 at opposite sides of the
airflow opening 223 are deformed away from each other, the fan 3 is
placed in the second accommodating space 26, and supported on the
latching element 21 below the airflow opening 223. The latching
elements 21 are released to restore towards each other. The
latching blocks 2114 of the latching elements 21 respectively
resiliently resist against edges of a surface of the fan 3 opposite
to the airflow opening 223. Therefore, the fan 3 is fixed to the
second fixing element 20.
[0018] In use, heat absorbed by the heat sink 2 can be removed by
the fan 40 through the airflow openings 223 of the second bases 22.
In other embodiments, the fan 3 can bring air flow to the heat sink
10 through the airflow openings 223 of the second bases 22 of the
second fixing element 20.
[0019] In disassembling the fan 3 from the fixing bracket 4, the
latching elements 21 of the fixing bracket 4 are deformed away from
each other, with the latching blocks 2114 of the latching elements
21 respectively departing from the side surfaces of the fan 3.
Therefore, the fan 3 can be conveniently removed from the second
accommodating space 26 of the fixing bracket 4.
[0020] In disassembling the heat sink 2 from the fixing bracket 4,
the two second bases 22 of the fixing bracket 4 are deformed away
from each other, with the locking portions 2242 of the two second
bases 22 respectively disengaging from the bottom of the heat sink
2. Therefore, the heat sink 2 can be conveniently removed from the
receiving space 40 of the fixing bracket 4.
[0021] In one embodiment, the second fixing elements 20 can be
moved relative to the first fixing element 10. Therefore, the fan 3
can be fixed to other positions of the fixing bracket 4.
[0022] In other embodiments, the sliding slot 1211 of the first
fixing element 10 can be omitted, therefore, the two second fixing
elements 20 are fixedly mounted to the opposite sides of the first
base 12. The latching elements 21 can be other shapes, where the
fixing mode for fixing the latching elements 21 to the second bases
22 can be changed according to shapes of the latching elements 21.
The latching elements 21 can be shaped to fix on the second bases
22 to fix the fan 3 on the second bases 22. The number of the
latching elements 21 can be changed. The latching elements 21 can
also be omitted, and the fan 3 fixed to the second bases 22 or the
first base 12 indirectly via fasteners.
[0023] It is to be understood, however, that even though numerous
characteristics and advantages of the embodiments have been set
forth in the foregoing description, together with details of the
structure and function of the embodiments, the disclosure is
illustrative only, and changes may be made in details, especially
in matters of shape, size, and arrangement of parts within the
principles of the embodiments to the full extent indicated by the
broad general meaning of the terms in which the appended claims are
expressed.
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