TWM482254U - Heat sink fastener and heat dissipation module assembly - Google Patents

Description

Radiator clip and heat module combination

The present invention relates to a heat sink clip, and more particularly to a heat sink clip for mounting a heat sink on an electronic component. The present invention also relates to a heat sink module assembly using the heat sink clip.

With the rapid development of the electronics industry, the operating speed of electronic components continues to increase, generating a large amount of heat during operation, which increases the temperature of itself and the system, which in turn affects the stability of the system. In order to ensure the normal operation of the electronic components, a heat sink is usually installed thereon to discharge the heat generated by the heat sink.
At present, the solution to the problem of heat dissipation of electronic components is usually mounted on each of the heat-generating electronic components. The heat sink includes a bottom plate in close contact with the electronic components, and a plurality of heat-dissipating fins disposed on the bottom plate. There are many ways to fix the heat sink. In order to attach the heat sink to the surface of the heat-generating electronic component, the fastening device is usually used to fix the heat sink to the electronic component. The general fastening device is on the circuit board. A fixing base is disposed, and the fastening device is fastened to the heat sink by the buckle acting on the heat sink, so that the heat sink is pressed and closely attached to the surface of the heat-generating electronic component.
For example, in the case of the invention of the Republic of China Patent Application No. 95106292, a heat sink fastening device includes a first fastener, a second fastener and a handle, the first fastener having a resilient arm with a lower pressure, one end of the elastic arm The bent extension extends to form a first fastening leg, and the other end has a receiving surface; the second fastening component is disposed at one end of the first fastening component having a receiving surface. The handle is connected to the second fastening member, and is provided at one end thereof with an eccentric wheel pressing against the receiving surface, the eccentric wheel is formed with a bump near the free end thereof, and the convex point is rotated by the second fastening member when the eccentric wheel rotates One side slides to the opposite side and is engaged with one side edge of the second fastener, and the eccentric wheel forms a flange when it is in contact with the receiving surface.
However, with the advancement of the digital information era, light and thin have become the main trend of current electronic products. The aforementioned heat sink fastening device is not easy to operate a fixed heat sink in a limited (limited) space, so how to fix the heat sink in a limited space And it is easy to operate, and it is the goal of people in this field to overcome the improvement.

In view of the above problems, the main purpose of the present invention is to provide a combination of a heat sink clip and a heat sink module that can be quickly loaded and unloaded without the use of a hand tool.
Another object of the present invention is to provide a combination of a heat sink fastener and a heat dissipation module that rotates an operating member in a horizontal position about an axis to drive the fastener to move up or down the axis.
In order to achieve the above object, the present invention provides a heat sink clip comprising: an operating member having a cylindrical cam portion and a trigger portion projecting radially outward from an outer side of the cam portion, the cam portion and Having a top end forming a pair of cam curved surfaces, the two ends of the cam curved surfaces are respectively provided with a high point recess and a lower recess, the cam curved surfaces extending from the low to high slope to the high a mounting ring having a shaft hole disposed in the cam portion; a fastener member extending through the cam portion, having a top end having at least one pivot hole and a bottom end extending downwardly to form a buckle having at least one a sleeve hole having a top end penetrating the shaft hole of the mounting ring and located at a top end of the cam portion; an elastic member disposed in the cam portion and located below the mounting ring, the elastic member being sleeved on the fastener and located a bottom end of the fastener; a pivoting member located at a top end of the cam portion and pivotally connected to a pivot hole at a top end of the fastener, the pivoting member having a first end and a second end respectively On the cam surfaces; wherein the triggering portion drives The cam portion rotates radially about a shaft at a horizontal position to operate the cam surface to rotate, and the first end and the second end of the pivoting member move to the upper recess or the lower recess along the cam curved surface. And drive the fastener to move up or down the axis.
The present invention further provides a heat dissipation module assembly, comprising: a fixing base having a convex portion on each of the opposite outer sides; a heat sink disposed on the fixing base, including a base on the fixing seat and a fin The slab is disposed on the pedestal, and a platform is protruded outwardly from opposite sides of the pedestal. The platform is provided with a slot, and a bottom of the slot is provided with a through hole extending through the platform and corresponding to the bulge. a heat sink clip on at least one side of the heat sink, comprising: an operating member on the platform, having a cylindrical cam portion and a pulling portion radially from an outer side of the cam portion Externally protruding, the cam portion has a top end and a bottom end, the top end forming a pair of cam curved surfaces, and the two ends of the cam curved surfaces are respectively provided with a high point recess and a lower recess, the cam surface systems Extending from the low to high indentation to the upper recess, the bottom end corresponding to the platform; a mounting ring disposed in the cam portion having a shaft hole; a fastener extending through the cam portion and having a The top end is provided with at least one pivot hole and a bottom end downward Forming a buckle having at least one set of holes for receiving the protrusion of the fixing seat, the top end penetrating through the through hole of the platform and the shaft hole of the mounting ring and located at the top end of the cam portion; an elastic component is disposed on the cam Inside the portion of the fastening ring, the elastic member is sleeved on the fastener and located at the bottom end of the fastener; a pivoting member is located at the top end of the cam portion and pivotally connected to the top of the fastener a pivoting hole, the pivoting member has a first end and a second end respectively abutting on the cam curved surface; wherein the pulling portion drives the cam portion to radially rotate the cam surface in a horizontal position Rotating, the first end and the second end of the pivoting element move to the upper notch or the lower notch along with the cam curved surface, and drive the fastener to move up and down.
The fixing base is mounted on a circuit board provided with an electronic component, and the fixing base comprises two bodies symmetrically disposed on two sides of the electronic component, and the two opposite sides of the two bodies are respectively outwardly disposed.
The opposite sides of the fin group are respectively provided with a recess, and the two fixed limiting portions are respectively corresponding to the recesses.
The cam portion defines an upper receiving space for receiving the mounting ring and the lower receiving space is located below the upper receiving space, and accommodates the elastic member, the upper receiving space communicates with the lower receiving space, and a convex portion is located at the upper receiving space and the lower receiving portion Between spaces.
The pivoting member has an intermediate portion that is buckled by a limiting buckle.
The aforementioned cam curved surface has a rising section receiving surface adjacent to the high recess and a descending receiving surface adjoining the lower recess.
The fastener has two opposite flaps extending from the bottom end to the top end, and the pivot holes are located on the flaps.
Through this creative department, the fasteners can be operated in a limited space, and the operation is labor-saving and easy.

10‧‧‧ Fixed seat
11, 12‧‧‧ body
111, 121‧‧ ‧ bumps
20‧‧‧ radiator
21‧‧‧Base
211‧‧‧ platform
212‧‧‧ slots
2121‧‧‧ bottom
213‧‧‧through holes
214‧‧‧Limited part
22‧‧‧Fin group
221‧‧‧Fins
223‧‧‧ dent
30‧‧‧ Radiator clips
31‧‧‧Operating parts
311‧‧‧Cam Department
3111‧‧‧Top
3112‧‧‧ bottom
3113‧‧‧ accommodation space
3114‧‧‧Lower accommodation space
A‧‧‧Axis
312‧‧‧Traction
313‧‧‧Cam surface
3131‧‧ ‧ high notch
3132‧‧‧ low notch
3134‧‧‧ rising section bearing surface
3135‧‧‧Down section
315‧‧‧ convex
32‧‧‧Installation ring
321‧‧‧Axis hole
33‧‧‧fasteners
331‧‧‧Top
332‧‧‧ bottom
333‧‧‧Folding board
334‧‧‧ buckles
335‧‧‧ sockets
336‧‧‧ pivot hole
34‧‧‧Flexible components
35‧‧‧ pivotal components
351‧‧‧ first end
352‧‧‧second end
353‧‧‧ middle part
36‧‧‧ Limit buckle
40‧‧‧ boards
41‧‧‧Fever electronic components
50‧‧‧ Radiator clips
51‧‧‧ collar
511‧‧‧ top surface
512‧‧‧ bottom
513‧‧‧Axis hole
514‧‧‧ accommodating slots
52‧‧‧fasteners
521‧‧‧Operation Department
5211‧‧‧First Folding Plate
5212‧‧‧second folding board
5217‧‧‧ Space
5213‧‧‧First card assembly
5214‧‧‧Second card parts
5215‧‧‧First shoulder
5216‧‧‧Second shoulder
523‧‧‧ buckle
5231‧‧‧Socket hole
B‧‧‧ gap between high and low gaps
53‧‧‧Flexible components

The following figures are intended to make the present invention easier to understand, and the drawings are described in detail herein and form part of the specific embodiments. Through the specific embodiments herein and with reference to the corresponding drawings, the specific embodiments of the present invention are explained in detail, and the function principle of the creation is explained.
The first figure is an exploded view of the combination of the creative heat dissipation module;
Figure 2 is a schematic diagram of the combination of the creation of the heat dissipation module combination;
Figure 3A is a schematic exploded view of the created heat sink clip;
Figure 3B is a schematic exploded view of the created heat sink clip;
Figure 3C is a schematic cross-sectional view of the combination of the created heat sink clips;
4A is a schematic exploded view of another heat sink clip of the present invention;
Figure 4B is a schematic view of the fastener of another heat sink fastener;
4C is a schematic cross-sectional view of another heat sink clip of the present invention. FIG. 5A is a schematic view showing another heat sink clip loosening the bump;
Figure 5B is a schematic view of the fastening clip of the other heat sink;
Figure 6A is a schematic view of the heat sink clip loosening the bump;
Figure 6B is a schematic view of the fastener fastening clip of the heat sink.

The preferred embodiment of the present invention will be described with reference to the related drawings, in which the same elements will be described with the same element symbols.
The first figure is an exploded view of the combination of the creative heat dissipation module. The second figure is a combination diagram of the creation of the heat dissipation module combination. The heat dissipation module includes a fixing base 10, a heat sink 20 and a heat sink clip 30. The mounting base 10 can be mounted on a circuit board 40. The heat sink 20 is attached to a surface of a heat-generating electronic component 41 on the circuit board 40. The heat sink clip 30 is disposed on the heat sink 20. On one side, the other side of the heat sink 20 is provided with another heat sink clip 50, and the heat sink clip 30 and the other heat sink clip 50 are fastened to the fixing base 10 to enable the heat sink 20 and the heat generating electrons. The surface of the element 41 is in intimate contact to dissipate heat generated by the heat-generating electronic component 41 by the heat sink 20.
The holder 10 includes two bases 11, 12 which are symmetrically disposed on opposite sides of the heat-generating electronic component 41 and can be fixed to the circuit board 40 by screwing or snapping. A pair of protrusions 111 and 121 are respectively protruded outwardly from opposite sides of the two bodies 11 and 12 for fastening the heat sink clip 30 and the other heat sink clip 50.
The heat sink 20 is disposed on the fixing base 10 and includes a base 21 and a fin set 22. The base 21 is located on the fixing base 10 and the lower surface of the base 21 is attached to the heat-generating electronic component 41. The upper surface absorbs heat generated by the heat-generating electronic component 41. A platform 211 is defined on each of the opposite sides of the base 21, and a slot 212 is defined in each of the platforms 211. A bottom portion 211 of the slot 212 is provided with a through hole 213 extending through the platform 211. The upper surface of the base 21 is provided with two opposite limiting portions 214. The fin set 22 includes a plurality of fins 221 in one implementation. The fin group 22 is vertically disposed on the upper surface of the susceptor 21, and is fixed to the susceptor 21 by soldering or the like. The plurality of fins 221 of the fin set 22 are parallel to each other and an air flow passage through which the airflow passes is formed between the adjacent fins 221. The opposite sides of the fin set 22 are respectively provided with a recess 223 corresponding to the equal-limit portion 214. The limiting portion 214 allows the fin set 22 to be positioned on the base 21, and the plurality of fins of the fin set 22 22 can thereby be evenly distributed on the upper surface of the susceptor 21. In another implementation, the fin set further includes a plurality of heat pipes that pass through the plurality of fins (not shown).
As shown in FIG. 3A, 3B, and 3C, the heat sink clip 30 includes an operating member 31, a mounting ring 32, a fastener 33, an elastic member 34, and a pivoting member 35 for pivoting the operation. The piece 31 and the fastener 33. The operating member 31 has a cylindrical cam portion 311 and a trigger portion 312 projecting radially outward from the outer side of the cam portion 311. The cam portion 311 has a top end 3111 and a bottom end 3112 and an axial center A. The top end 3111 and the bottom end 3112 are respectively located at two ends of the cam portion 311. The axis A is defined at the center of the cam portion 311. . The cam portion 311 is in a hollow state for the fastener 33 to be disposed therein. The cam portion 311 defines an upper receiving space 3113 for receiving the mounting ring 32 and the lower receiving space 3114 below the upper receiving space 3113. The upper accommodating space 3113 communicates with the lower accommodating space 3114, and a convex portion 315 is located between the upper accommodating space 3113 and the lower accommodating space 3114. The top end 3111 defines a pair of cam curved surfaces 313. The two end surfaces of the cam curved surfaces 313 are respectively provided with a height recess 3131 and a lower recess 3132. The cam curved surfaces 313 are lowered from the lower recess 3132. The high slope extends to the elevated recess 3131 and has a rising section receiving surface 3134 adjacent the high recess 3131 and a descending receiving surface 3135 adjacent the lower recess 3132.
The fastener 33 extends through the cam portion 311 along the axis A of the cam portion 311 , and has a top end 331 and a bottom end 332 . The opposite flaps 333 extend from the bottom end 332 to the top end 331 . The top end 331 is provided with at least one pivot hole 336 extending through the two opposite flaps 333. The bottom end 332 extends downwardly to form a buckle 334. The bottom block 334 has at least one set of holes 335 for engaging the bumps 111, 121 of the fixing base 10. . The fastener 33 is integrally formed by stamping from a plate-shaped metal plate body. The fastener 33 is not limited to the shape shown in the figure, and may be other shapes, such as an inverted T-shaped plate body. The buckle 334 may also be provided with a plurality of socket holes, and correspondingly, the two seats of the fixing base 10 11, 12 can also be set corresponding to a plurality of bumps.
The mounting ring 32 has a shaft hole 321 that is sleeved on the fastener 33. The mounting ring 32 is fixed to the cam portion 311 of the operating member 31. The mounting ring 32 is located at the fastener 33 and the operating member 31. Between, therefore, the operating member 31 does not interfere radially with the fastener 33 when rotated.
The elastic member 34 is located below the convex portion 315 and the mounting ring 32. A compression spring is sleeved on the fastener 33 and located at the bottom end 332 of the fastener 33 to provide an elastic force to the operating member 31.
The pivoting member 35 is located at the top end 3111 of the cam portion 311 and is pivotally connected to the pivot hole 336 of the top end 331 of the fastener 33. The pivoting member 35 has a first end 351 and a second end 352 and a The intermediate portion 353, the first end 351 and the second end 352 respectively abut on the cam curved surfaces 313 of the cam portion 311, the intermediate portion 353 is located between the opposite flaps 333 of the fastener 33, and the intermediate portion 353 The first end 351 and the second end 352 are prevented from being unequal in length, because the first end 351 and the second end 352 are not unequal in length, because if the pivoting member 36 is fastened, the pivoting member 35 is fixed in the pivoting hole 336. The unequal length is generated, and the shorter end does not have a sufficient length to rest on the cam surface 313, and the unevenness between the cam surface 313 and the first end 351 and the second end 352 is generated, and the limit buckle is utilized. Ring 36 prevents this problem from occurring.
As shown in FIG. 4A, FIG. 4B and FIG. 4C, the other heat sink clip 50 includes a ring 51, a fastener 52 and an elastic member 53. The collar 51 has a top surface 511 and a bottom surface 512. The top surface 511 is provided with a shaft hole 513. The bottom surface 512 is provided with a receiving slot 514. The shaft hole 513 communicates with the receiving slot 514. The fastening member 52 has an operating portion 521 and a downwardly extending fastening pin 523. The fastening member 523 has a plurality of connecting holes 5231. The operating portion 521 is disposed through the shaft hole 513 of the collar 51 and the receiving slot 514. And a second folding plate 5211 and a second folding plate 5212, a space 5217 is located between the first folding plate 5211 and the second folding plate 5212, and a middle portion of the first folding plate 5211 The position has a first latching member 5213, and a first shoulder portion 5215 is formed at the top end of the first flap 5211. The middle portion of the second flap 5212 has a second latching member 5214. The two shoulder portions 5216 are formed on the top end of the second folding plate 5212 , wherein the first locking member 5213 and the second locking member 5214 are fastened to the top surface 511 of the collar 51 . The height of the first flap 5211 is shorter than the height of the second flap 5212, and the first shoulder 5215 at the top end of the first flap 5211 is bent toward the second flap 5212. The top second shoulder portion 5216 of the flap 5212 is bent toward the first flap 5211. The first shoulder portion 5215 is located below the second shoulder portion 5216. The height difference B is defined by the first shoulder portion 5215 and the first shoulder portion 5215. The two shoulders 5216 are defined. The elastic member 53 is received in the receiving slot 514 by a compression spring, and is sleeved on the operating portion 521 of the fastener 52. The heat sink clips 30 mounted on one side of the heat sink 20 are assembled in such a manner that the operating member 31 is placed above the platform 211 of the substrate 21 so that the bottom end 3112 of the cam portion 311 corresponds. Platform 211. The top end 331 of the fastener 33 extends from the lower side of the platform 211 through the through hole 213 of the platform 211 and the shaft hole 321 of the mounting ring 32, and then corresponds to the top end 3111 of the cam portion 311, and is pivotally connected by the pivoting member 35. 34 is located between the cam portion 311 and the slot 212.
The other heat sink clip 50 mounted on the other side of the heat sink 20 is assembled by placing the collar 51 over the other platform 211 of the substrate 21 such that the bottom surface 512 of the collar 51 corresponds to the platform 211. . The elastic member 53 is placed between the receiving slot 514 of the collar 51 and the slot 212 of the platform 211. The top end of the fastener 52 passes through the through hole 213 of the platform 211 and the receiving slot 514 and the shaft hole 513 of the collar 51 from below the platform 211. The elastic member 53 is sleeved on the operation portion 521.
Please also refer to FIG. 5A as a schematic diagram of another heat sink clip 50 loosening the bump. FIG. 5B is a schematic view showing another heat sink clip 50 fastening the bump. The heat sink 20 is placed on the fixing base 10, and the sleeve hole 5231 of the buckle 523 of the other heat sink clip 50 on one side of the first heat sink 20 is sleeved with the protrusion 111 provided on the outer side of the seat body 11. The top surface 511 of the collar 51 presses the collar 51 to fasten the first latching member 5213 and the second latching member 5214 to the top surface 511 of the collar 51, and the fastener 52 is pulled upward. The socket hole 5231 fastens the bump 111, and the elastic member 53 assumes a compressed state.
To relax the other heat sink clip 50, applying two forces from the outer side of the first flap and the second flap causes the first flap and the second flap to be displaced relative to the space 5217. The first latching member 5213 and the second latching member 5214 that are fastened to the top surface 511 of the collar 51 are separated from the top surface 511, and the elastic force of the compressed elastic member 53 is applied to the collar 51. The collar 51 moves upward, the fastener 52 is displaced downward, and the first latching member 5213 and the second latching member 5214 are retracted into the shaft hole 513, and the sleeve hole 5231 and the bump 111 are in a relaxed state.
Please also refer to FIG. 6A as a schematic diagram of the heat sink clip 30 loosening the bump. Figure 6B is a schematic view of the heat sink clip 30 fastening the bump, as shown in Figure 3B. The sleeve hole 335 of the fastener 33 of the heat sink clip 30 is sleeved on the protrusion 121 provided on the outer side of the two body 12, and the sleeve hole 335 and the protrusion 121 are not yet engaged (as shown in FIG. 6A). ). At the same time, the first end 351 and the second end 352 of the pivoting member 35 located on the cam curved surface 313 of the cam portion 311 are located at the lower recess 3132 of the cam curved surface 313, and are disposed under the mounting ring 32 and at the mounting ring 32. The elastic member 34 between the shaft hole 321 of the platform 211 assumes an uncompressed state. The bottom end 3112 of the cam portion 311 is at a distance from the upper surface of the platform 211. This distance is the distance at which the fastener 33 moves up and down, and the trigger portion 312 is at the left position. The triggering portion 312 of the operating member 30 is rotated in a horizontal position to rotate to the right in the figure (as shown in FIG. 6B), and the cam portion 311 is driven to rotate radially about the axis A. The descending section receiving surface 3135 moves toward the rising section receiving surface 3134, and the first end 351 and the second end 352 of the pivoting member 35 pass the descending section receiving surface 3135 from the lower recess 3132 as the cam curved surface 313 moves. The rising section receiving surface 3134 then goes to the upper recess 3131, and the fastener 33 is pulled along the axis A along with the movement of the pivoting member 35, and the sleeve hole 335 is driven to fasten the bumps 111, 121. The bottom end 3112 of the cam portion 311 assumes a state of being placed against the upper surface of the stage 211 while the elastic member 34 assumes a compressed state.
To loosen the heat sink clip 30, the trigger portion 312 of the operating member 30 is moved to the left in the figure in a horizontal position (as shown in FIG. 6A), and the cam portion 311 is driven around the axis A. Rotation, the cam surface 313 moves from the rising section receiving surface 3134 to the descending section receiving surface 3135, and the first end 351 and the second end 352 of the pivoting member 35 are concave from a height as the cam curved surface 313 moves. The port 3131 passes through the rising section receiving surface 3134 and the descending section receiving surface 3135 and then to the lower recess 3132. The fastener 33 is placed along the axis A along with the movement of the pivoting member 35, and the socket 335 and the bump are placed. The state of being released between 111 and 112 is presented. The cam portion 311 is returned to the original position, and the bottom end 3112 of the cam portion 311 is at a distance from the upper surface of the stage 211. The elastic member 34 disposed under the mounting ring 32 and between the mounting ring 32 and the shaft hole 321 of the platform 211 returns to an uncompressed state.
The heat sink clip 30 generates a better elastic fastening force by the elastic member 34, thereby bringing the heat sink 20 into close contact with the heat-generating electronic component 41, and providing better impact resistance, thereby ensuring the heat sink 20 and the heat. The long-term use between the electronic components 41 maintains a good contact effect, thereby ensuring the heat transfer efficiency of both.
In addition, the foregoing illustrations show that two different heat sink clips 30, 50 are disposed on both sides of the heat sink 20, but two identical heat sink clips 30 or two identical ones may be disposed on both sides of the heat sink 20. Another radiator clip 50.
In summary, the present invention drives the cam portion to rotate radially about the axis at a horizontal position by the pulling portion of the heat sink clip to operate the cam surface to rotate. The first end and the second end of the pivoting member The end moves along the cam surface to the upper notch or the lower notch, and drives the fastener to move up or down along the axis to fasten or loosen the bump. In addition to the need to use the hand tool to lock, and can be quickly loaded and unloaded, it can be used in a limited space, and has the effect of easy operation.
Although the present invention is disclosed in the above embodiments, it is not intended to limit the present invention, and any person skilled in the art can make various changes and refinements without departing from the spirit and scope of the present invention. The scope of the patent application is subject to the provisions of the attached patent application.

10‧‧‧ Fixed seat

11, 12‧‧‧ body

111, 121‧‧ ‧ bumps

20‧‧‧ radiator

21‧‧‧Base

211‧‧‧ platform

212‧‧‧ slots

2121‧‧‧ bottom

213‧‧‧through holes

214‧‧‧Limited part

22‧‧‧Fin group

221‧‧‧Fins

223‧‧‧ dent

30, 50‧‧‧ Radiator clips

40‧‧‧ boards

41‧‧‧Fever electronic components

Claims (12)

A heat sink clip comprising:
An operating member having a cylindrical cam portion and a trigger portion projecting radially outward from an outer side of the cam portion, the cam portion having a top end forming a pair of cam curved surfaces, and both ends of the cam curved surfaces Separating a height recess and a lower recess, the cam surfaces extending from the low recess to the high recess from the low recess;
a mounting ring disposed in the cam portion and having a shaft hole;
a fastener extending through the cam portion, having a top end provided with at least one pivot hole and a bottom end extending downwardly to form a buckle having at least one set of holes, the top end extending through the shaft hole of the mounting ring and located at the cam The top of the department;
An elastic member is disposed in the cam portion and located under the mounting ring, and the elastic member is sleeved on the fastener and located at a bottom end of the fastener;
a pivoting member, located at a top end of the cam portion, and pivotally connected to a pivot hole at a top end of the fastener, the pivoting member having a first end and a second end respectively abutting on the cam surfaces;
The triggering portion drives the cam portion to rotate radially about an axis in a horizontal position to operate the cam surface to rotate. The first end and the second end of the pivoting member move to the height along the cam surface. a recess or the lower recess and driving the fastener to move up or down the axis. The heat sink clip of claim 1, wherein the cam portion defines an upper receiving space for receiving the mounting ring and the lower receiving space is located below the upper receiving space, and accommodates the elastic member, the upper receiving space communicates with the lower receiving portion The space, a convex portion is located between the upper receiving space and the lower receiving space. The heat sink clip of claim 1, wherein the pivoting member has an intermediate portion that is buckled by a limiting buckle. The heat sink clip of claim 1, wherein the cam surfaces have a rising section receiving surface adjacent to the height recess and a descending section receiving surface abutting the lower recess. The heat sink clip of claim 1, wherein the fastener has two opposite flaps extending from the bottom end to the top end, the pivot holes being located on the flaps. A combination of heat dissipation modules, including:
a fixing base having two opposite outer sides respectively provided with a protrusion;
A heat sink is disposed on the fixing base, and includes a base on the fixing base and a fin set on the base, and a platform is protruded outwardly on opposite sides of the base, and the platform is a slot is provided, and a through hole is formed in the bottom of one of the slots through the platform;
a heat sink clip located on at least one side of the heat sink, comprising:
An operating member is disposed on the platform, and has a cylindrical cam portion and a trigger portion protruding radially outward from an outer side of the cam portion, the cam portion having a top end and a bottom end, the top end being formed a pair of cam curved surfaces, wherein the two ends of the cam curved surface are respectively provided with a high notch and a lower notch, and the cam curved surfaces extend from the low to high notch to the high notch, The bottom end corresponds to the platform;
a mounting ring disposed in the cam portion and having a shaft hole;
a fastener extending through the cam portion, having a top end provided with at least one pivot hole and a bottom end extending downwardly to form a buckle having at least one set of holes for receiving the protrusion of the fixing seat, the top end is from the a through hole of the platform and a shaft hole of the mounting ring below the platform, corresponding to the top end of the cam portion;
An elastic member is disposed in the cam portion and located between the mounting ring and the slot of the platform, and the elastic member is sleeved on the fastener and located at a bottom end of the fastener;
a pivoting member, located at a top end of the cam portion, and pivotally connected to a pivot hole at a top end of the fastener, the pivoting member having a first end and a second end respectively abutting on the cam surfaces;
Wherein the triggering portion drives the cam portion to rotate in a horizontal position to rotate the cam surface, and the first end and the second end of the pivoting member move to the upper recess or the lower portion along with the cam curved surface The notch is moved and the fastener is moved up and down. The heat dissipation module assembly of claim 6, wherein the fixing base is mounted on a circuit board provided with an electronic component, and the fixing base comprises two body symmetrically disposed on two sides of the heat-generating electronic component, wherein the two seats are opposite The two outer sides are respectively provided with the bumps outward. The heat dissipation module assembly of claim 6, wherein the opposite sides of the fin set are respectively provided with a recess, and the opposite two limiting portions are respectively corresponding to the recess. The heat dissipation module assembly of claim 6, wherein the cam portion defines an upper receiving space for receiving the mounting ring and the lower receiving space is located below the upper receiving space, and the elastic member is received, and the upper receiving space communicates with the lower receiving portion. The space, a convex portion is located between the upper receiving space and the lower receiving space. The heat dissipation module assembly of claim 6, wherein the pivoting member has an intermediate portion that is buckled by a limiting buckle. The heat dissipation module assembly of claim 6, wherein the cam surfaces have a rising section receiving surface adjacent to the upper recess and a descending receiving surface abutting the lower recess. The heat dissipation module assembly of claim 6, wherein the fastener has two opposite flaps extending from the bottom end to the top end, and the pivot hole is located on the fold plate.