KR200157717Y1 - Fan/pins seat assembly for an integrated circuit - Google Patents

Abstract

The fan / pin sheet assembly of the present invention includes a pin sheet 4, an integrated circuit 3 installed on the pin sheet, and a plurality of pins 21 installed on an upper surface of the integrated circuit 3 and extending upward from the upper side thereof. ), And a board member (1) having a fan plate (14) mounted on the pin plate and mounted on the pin plate. The pin plate is provided with a first engagement member, and the board member is provided with a second engagement member formed to be releasably engaged with the first engagement member.

Description

Fan / Pin Sheet Assembly for Integrated Circuits

1 is an exploded perspective view of a first embodiment of a fan / pin sheet assembly for an integrated circuit according to the present invention.

2 is a side view of the fan / pin seat assembly of FIG. 1 assembled;

3 is a cross sectional view of the assembled fan / pin seat assembly.

4 is an exploded perspective view of a second embodiment of a fan / pin sheet assembly for an integrated circuit according to the present invention.

5 is a plan view of the assembled fan / pin seat assembly of FIG.

6 is a left side view of the assembled fan / pin seat assembly of FIG.

7 is a cross-sectional view taken along the line 7-7 of FIG.

8 is a cross-sectional view taken along line 8-8 of FIG.

* Explanation of symbols for main parts of the drawings

1 board member 2 pin plate

3: integrated circuit 4: pin sheet

10 hole 11 support member

12: rib 12a: groove

13: Stud 14: Fan

14a: rotor shaft 15: snow tongue

15 ': elastic snap member 16: expansion snap head

16 ': hook end 17: slit

18: guide rod 21, 31, 45: pin

22: space 23: gap

41: Bore 41a: Counterbore

41 ', 41 ": recessed 42: pinhole

44: flange

The present invention relates to a fan / pins seat assembly for an integrated circuit, and more particularly, to a fan device that directly engages and engages with a pin sheet in which an integrated circuit is installed to fix an integrated circuit therebetween. It is about.

Heat transfer is an important factor in the performance of integrated circuits. Various chillers are well known. For example, US Pat. No. 5,335,722, issued August 9, 1994, US Patent No. 5,287,249, published February 15, 1994, and US Patent No. 08 / 399,041, filed March 6, 1995. A fan device for dispersing heat generated by an integrated circuit is disclosed. However, all the fan devices in the prior art are engaged with integrated circuits installed on the pin sheets of the printed circuit board by means of additional means (typically including rods and eccentric plates) to fix the integrated circuits on the pin sheets. This results in an increase in costs. The present invention is to provide an improved design to obviate or mitigate the above-mentioned problems.

The main object of the present invention is to provide a fan / pin sheet assembly having a fan device that engages directly with a pin sheet of an installed integrated circuit, thereby maintaining the integrated circuit firmly therebetween, and adding to the additional requirements required in the prior art design. To remove the means.

The fan / pin sheet assembly according to the present invention has a pin sheet provided with a first engagement means thereon, an integrated circuit provided on the pin sheet, and a plurality of pins extending upwardly from an upper surface thereof and installed on the upper surface of the integrated circuit. And a board member installed above the pin plate and having a fan installed thereon, the board member having a second engagement means, the second engagement means being separated from the first engagement means on the pin sheet. Possibly coupled, thereby holding the integrated circuit firmly between the pin sheet and the pin plate.

In a first embodiment of the present invention, the first engagement means comprises a pair of spaced apart bores formed in the pin sheet, and the second engagement means extends downward from the bottom of the board member and extends through the bore. Spaced elastic tongues. Each tongue has an enlarged snapping head having a diameter larger than the diameter of the through hole extending beyond the associated bore and a slit dividing the enlarged snap head into two halves.

In a preferred embodiment of the present invention, the first engagement means comprises a pair of spaced apart bores formed in the pin sheet, and the second engagement means extends downwardly from the bottom side of the board member and extends through the bore. Elastic tongues. Each tongue has an expansion snap head having a diameter larger than the diameter of the bore, and a slit separating the expansion snap head into two halves. Each bore includes a counterbore formed at an end adjacent the bottom of the pin sheet, and an associated snaphead is received in the counterbore.

In an alternative embodiment, the outer circumferential wall defining each bore includes a plurality of flanges projecting outwardly therefrom and the snap head is selectively engaged with any of the plurality of flanges.

In a second embodiment of the present invention, the second engagement means includes a pair of spaced guide rods extending downward from the bottom side of the board member and a pair of elastic snap members respectively provided on both sides of each guide rod. Each elastic snap member has a hook end that protrudes downward from the bottom side of the board member and engages to be released to the bottom side of the pin sheet. The first engagement means comprises a pair of spaced bores formed in the pin sheet from which the guide rods extend.

The first engagement means may further comprise a pair of recesses defined on each of the two opposing sides of the pin sheet, each pair of recesses respectively positioned on both sides of the bore of the pin sheet. Each recess may extend a certain distance from the underside of the pin sheet and have dimensions and dimensions that fit into the hook ends of the elastic snap member.

The pin plate has a space formed at the center of the upper side thereof, and the board member includes a first hole formed at the center portion thereof, a support member provided below the hole, and a plurality extending downward from the outer periphery defining the hole. Two ribs, said support member comprising a stud formed on its upper side and having a second hole defined therein for rotatably receiving the rotor shaft of said fan. By doing so, the fan is received in the area defined by the space and the overall thickness of the fan / pin sheet assembly is minimized.

1 to 3, a first embodiment of a fan / pin sheet for an integrated circuit according to the present invention is generally a board having a pin plate 2 and a fan 14 installed on the pin plate. A member 1, an integrated circuit 3 (ie, a central processing unit), and a pin sheet 4 to be fixedly installed on a printed circuit board (not shown). The pin plate 2 includes a plurality of horizontal and vertical fins 21 extending upwardly and a space 22 defined in the upper center, each of the two fins 21 having a gap 23 for rotating air. Separated by). The fin plate 2 is made of a material having excellent heat dissipation characteristics such as aluminum. The pin 21 is preferably formed integrally with the same material as the pin plate 2.

The board member 1 includes a hole 10 formed in the middle portion, and the support member 11 is provided below the hole 10, and a plurality of ribs 12 on the outer circumference defining the hole 10. Is connected by. Each rib 12 extends downwardly from the outer periphery defining the hole 10 to the support member 11, one of the ribs 12 having a groove 12a, through which the wires of the fan 14 are directed. (Not shown) is extended to be electrically connected to a power supply (not shown). The stud 13 includes a hole (not shown) formed above the support member 11 and formed therein to rotatably receive the rotor shaft 14a of the fan 14. Moreover, other forms of arrangement may also be used for rotatably mounting the fan 14 to the board member 1.

The pin sheet 4 comprises a first engagement means provided thereon to detachably engage with a second engagement means formed below the board member 1. In this embodiment, the first engagement means comprises a pair of spaced bores 41 formed in the pin sheet 4, and the second engagement means is a pair of spaced apart extending downward from the bottom of the board member 1. Tongues (15) are included. Each tongue 15 is formed in the longitudinal direction of the tongue and the expansion snap head 16 having a diameter larger than the diameter of the associated bore 41, extending beyond the associated bore 41, It has a slit 17 that separates the expansion snap head 16 into two halves. The tongue 15 is made of an elastic material such that when passing through the connecting bore 41 of the pin sheet 4 the two halves move closer to each other and then expand to the first separated position. The pin sheet 4 includes a plurality of pin holes 42 for receiving the pins 31 on the integrated circuit 3 and a plurality of pins 45 to be installed in a conventional printed circuit board (not shown). Conventional printed circuit boards are well known and will not be described further.

As shown in FIG. 2 and FIG. 3, in the assembly, the integrated circuit 3 is firmly installed in the pin sheet 4 by inserting the pin 31 into the corresponding hole 42. As shown in FIG. The pin plate 2 is then positioned above the integrated circuit 3. Then, after the fan 14 is installed on the pin plate, the board member 1 is mounted on the upper portion of the pin plate 2 with the tongue 15 extending through the bore 41, and the expansion snap head ( 16 passes through the bore 41, i.e. after reaching the lower side of the seat 4, extends to a spaced apart position between the pin plate 2 and the pin seat 4. Keeps the integrated circuit 3 firm and prevents separation therefrom. The width of the pin plate 2 is smaller than the distance between the tongues 15. Optionally, the pin plate 2 comprises a through hole (not shown), and the tongue 15 extends through this hole. In addition, since the fan 14 is installed in the area formed by the space 22 (see also FIG. 3), the total thickness of the entire assembly is minimized. The operation of the fan device to dissipate heat is conventional and not described.

Referring to FIG. 3, each bore 41 includes a counterbore 41a formed at an end adjacent to the bottom of the pin sheet 4, the extension snap head 16 extending beyond the bore 41. Instead, it is accommodated in the counterbore 41a. As shown in FIG. 3 (a), in an alternative embodiment, the outer circumferential wall forming each bore 41 includes a plurality of flanges 44 protruding outwards so that the expansion snap head 16 And optionally engages one of the flanges. That is, the snap effect can be adjusted by selectively engaging the flanges 16 with the flanges.

4 to 8 show a second embodiment of the fan / pin seat assembly according to the present invention, the same parts being shown with the same reference numerals.

The fan / pin sheet assembly of the second embodiment is substantially the same as the first embodiment except for the arrangement of the first and second engagement means.

In this embodiment, the second engagement means includes a pair of spaced apart guide rods 18 extending downward from the bottom side of the board member 1 and a pair of elastic snap members respectively provided on both sides of each guide rod 18 ( 15 '), each elastic snap member 15' projects downward from the bottom side of the board member 1 and has a hook end 16 '. The first engagement means comprises a pair of spaced apart bores 43 defined in the pin sheet 4 through which the guide rod 18 extends, and a pair of ribs defined on each of two opposite sides of the pin sheet 4. A recess 41 'is included, and each pair of recesses 41' are respectively located on both sides of the associated bore 43. Each elastic snap member 15 'extends through an associated recess 41' with its hook end 16 'detachably engaged with the bottom side of the pin sheet 4, whereby the pin The integrated circuit 3 is firmly held between the plate 2 and the pin sheet 4. As shown in FIG. 7, each recess 41 ″ extends a predetermined distance from the lower surface of the pin sheet 4 and has a dimension and size to be fitted to the hook end 16 ′.

As described above, the integrated circuit between the pin plate 2 and the pin sheet 4 with the additional means for firmly mounting the integrated circuit 3 required in the prior art to the pin sheet 4 removed. (3) remains firm. In addition, the assembly procedure is very simple and the assembled device is reliably positioned while the overall thickness is relatively small.

Claims (7)

A pin sheet 4 provided with a first engagement means comprising a pair of spaced bores 41 defined therein, and an integrated circuit 3 having an upper surface and mounted on the pin sheet 4. And a pin plate (2) mounted upwardly from the upper side thereof, the pin plate (2) mounted on the upper surface of the integrated circuit (3), and firmly mounted on the pin plate (2). A board member 1 having a fan 14 mounted thereon, the board member 1 further comprising a second engagement means formed thereon, wherein the second engagement means comprises the board member ( A pair of spaced apart elastic tongues 15 extending downward from the bottom side of 1) and extending through the bore 41 of the first engagement means, each tongue tongue 15 having a diameter of the bore. Expansion snap head 16 having a larger diameter and in the longitudinal direction of the tongue 15 And a slit 17 for dividing the snap head 16 into two half members, wherein the tongue 15 is removably coupled with the first engagement means on the pin sheet 4. Thereby firmly holding the integrated circuit 3 between the pin plate 2 and the pin sheet 4, each bore 41 having a counterbore defined at its end adjacent to the bottom side of the pin sheet. And 41 (41a), wherein the associated snap head (16) is received in the counterbore (41a). The fan / pin seat assembly of claim 1, wherein the outer circumferential wall defining each bore (41) comprises a plurality of flanges (44) projecting outwardly therefrom. 2. The fan (1) according to claim 1, wherein the fan (14) has a rotor shaft, the pin plate includes a space (22) defined at the center of the upper side thereof, and the board member (1) has a hole (10) defined at the center thereof. ), A support member 11 provided below the hole 10, and a plurality of ribs 12 extending downward from the outer periphery defining the hole 10 to the support member 11. The member (11) has a stud (13) formed on its upper side, and has a second hole defined therein for rotatably receiving the rotor shaft of the fan (14). A pin sheet 4 provided with a first engagement means, an integrated circuit 3 having an upper surface mounted on the pin sheet 4, and a plurality of pins 21 extending upwardly from an upper side thereof. And a pin plate 2 mounted on an upper surface of the integrated circuit 3, and a board member 1 firmly mounted on the pin plate 2, on which a fan 14 is mounted. The board member 1 further comprises a second engagement means formed thereon, the second engagement means a pair of spaced apart guide rods 18 extending downward from the bottom surface of the board member 1. And a pair of elastic snap members 15 'provided on both side surfaces of each of the guide rods, wherein each elastic snap member 15' extends downward from the bottom side of the board member, and the pin sheet Distal hook end 16 ′ detachably engaged with the bottom side of 4 And the first engagement means comprises a pair of spaced bores 43 defined in the pin sheet 4 through which the guide rod 18 passes. . 5. The method according to claim 4, wherein said first engagement means comprises a pair of recesses 41 ', 41 "defined on each of two opposing sides of said pin sheet 4, said each pair of recesses 41. ', 41 ") are respectively located on both sides of the associated bore. 6. The integrated circuit of claim 5, wherein each recess 41 "extends a predetermined distance from the bottom side of the pin sheet and is sized and dimensioned to suitably accommodate the associated distal hook end 16 '. Fan / pin seat assembly. 5. The fan (14) according to claim 4, wherein the fan (14) has a rotor shaft, the pin plate (2) comprises a space (22) defined at the center of the upper side thereof, and the board member (1) is located at the center thereof. A confined hole 10, a support member 11 provided below the hole 10, and a plurality of ribs 12 extending downward from the outer periphery defining the hole 10 to the support member 11. And the support member 11 has a stud 13 formed on the upper side thereof and has a second hole defined therein for rotatably receiving the rotor shaft of the fan 14. Pin sheet assembly.