JP3061118U - Heat radiator and its fixing member - Google Patents

Abstract

(57) [Summary] [PROBLEMS] A heat dissipation device can be directly fixed to a circuit board.
Provided is a heat dissipating device and a fixing member capable of preventing a fixing member from dropping off a circuit board and improving a heat dissipating effect by ensuring that an electronic element and a heat dissipating device are tightly coupled. . A heat radiation piece and a heat radiation fan can be directly fixed to a circuit board. One end of the fixing member is locked by the heat radiating device, while the other end of the fixing member is fixed by penetrating through a plurality of fixing holes formed in the circuit board. When installed above, the radiator can be fixed to the circuit board by a plurality of fixing members. Since the fixing member has an elastic member, it is possible to prevent the fixing member from dropping out of the fixing hole of the circuit board, to ensure that the electronic element and the heat radiating device are tightly coupled, and to enhance the heat radiation effect. Can be.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention mainly relates to a heat radiating device and a fixing member thereof, and more particularly to a fixing member for connecting the heat radiating device to a circuit board.

[0002]

[Prior art]

 Conventionally, this type is as follows.

For a conventional electronic device, for example, in a central processing unit (CPU) in which a base is fixed on a substrate, the base has a socket, and the socket is used for inserting a pin of the central processing unit. By being used, the central processing unit and the substrate are formed so as to be conductive. By installing the heat radiator above the central processor, the heat generated from the central processor can be radiated, and the radiator and the central processor can be fixed to the base using various fixing members. The base is configured such that a plurality of fitting grooves for fitting the fixing member are provided.

[0004] At present, the packaging technology for electronic devices has come to employ BGA packages. A plurality of solder balls are soldered to the bottom of such an electronic element, and the solder balls are bonded onto the circuit board and fixed as a conductive material. This eliminates the need to provide a base for bonding and fixing. Therefore, by directly connecting the electronic element to the circuit board and then installing the heat radiator again above the electronic element, the heat generated from the electronic element can be radiated by the heat radiator. This type of heat radiating device is composed of a heat radiating piece, a heat radiating fan and a plurality of fixing members, and conducts heat by connecting the heat radiating piece above the electronic element. It is configured to be fixed to the circuit board by a plurality of fixing members.

[0005]

[Problem to be Solved by the Invention] The present invention has been devised in response to the current new technology, and its purpose is to provide a heat dissipation device and a fixing member capable of the following. It is assumed that

An object of the present invention is to provide a heat radiator capable of directly fixing a heat radiator to a circuit board and a fixing member therefor.

A second object of the present invention is to prevent the fixing member from dropping out of the fixing hole of the circuit board by the elastic member, and to ensure that the electronic element and the heat radiating device are tightly coupled. An object of the present invention is to provide a heat radiating device and a fixing member for the heat radiating device, which can secure the heat radiation effect and enhance the heat radiation effect.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, the heat radiating device and the fixing member according to the present invention are configured as follows.

That is, the heat radiating device and the fixing member according to the present invention are composed of a main rod and an elastic member, and a locking portion is provided at one end of the main rod, while a hook portion is provided at the other end of the main rod. Is set up. The elastic member has at least one through hole and an elastic piece, and the through hole is used for the main rod to penetrate. The elastic member is fitted between the locking portion of the main rod and the hook, and the diameter of the locking portion of the main rod is formed larger than the diameter of the through hole of the elastic member, so that the elastic member is locked. It can be prevented from dropping out of the department.

Further, the heat radiating device and the fixing member of the present invention can be configured as follows. 1. The hook of the main rod consists of the ends of two elastic rods. 2. A groove is formed from the gap between the two poles, and the groove is used for the two poles to approach each other. 3. The diameter of the hook of the main rod can be reduced, and the through hole of the elastic member can be penetrated. 4. The elastic member is provided with one through hole and two elastic pieces, and the through hole is located between the two elastic pieces. 5. The elastic member is provided with one through hole and a plurality of elastic pieces, and the through hole is located between the plurality of elastic pieces. 6. The elastic member is formed by bending one elastic piece, and through holes are formed at both ends of the elastic piece. 7. The heat dissipation device is composed of heat dissipation pieces and fixing members. The radiating piece is provided with a plurality of fins and at least one connecting rod, a connecting hole is formed in the connecting rod, and the fixing member is fixed through the connecting hole of the connecting rod to fix the heat radiating piece. can do. 8. A connecting rod is provided at each of the two corresponding corners of the heat radiating piece, and the connecting rod is used to penetrate and fix the fixing member. 9. In addition to having a heat dissipation fan, the heat dissipation fan is provided with a plurality of screw holes, and the screw holes can be provided with screws to fix the heat dissipation fan. Ten. A connecting rod is provided on the heat dissipation fan, and a connecting hole is formed in the connecting rod, and the connecting hole is used for inserting a fixing member. 11． A localization groove is formed at the protruding end of the heat dissipation fan inside the portion connected to the connection rod. 12． The stereotactic groove is formed at right angles from two adjacent sides. 13. The circuit board has an electronic element and a plurality of fixing holes. A plurality of fixing holes are formed around the electronic element, and the plurality of fixing holes are used for fixing members to penetrate and fix. 14. The heat dissipation fan is provided with at least one connecting rod. 15． A connecting hole is formed in the connecting rod of the heat radiating fan, and the connecting hole is used for a fixing member to penetrate and fix. 16． A locating groove is formed on the protruding end of the radiating fan inside the coupling portion with the coupling rod, and the locating groove is used to press and lock an upper corner of the radiating piece. 17． The stereotactic groove is formed at right angles from two adjacent sides. 18． At the tip of the connecting rod of the heat radiating fan, a positioning piece is provided so as to be formed of a plate piece extending downward, and the positioning piece can press and lock the oblique side of the heat radiating piece. 19. A fixing member protrudes from the tip of the connecting rod of the heat dissipating fan, and the fixing member can be fixedly penetrated through the fixing hole of the circuit board, so that the heat dissipating device is tightly coupled above the electronic element of the circuit board. You. 20. The connecting rods of the radiating fan extend from corresponding corners of the upper surface of the radiating fan. twenty one. The connecting rod of the heat radiating fan has elasticity. twenty two. A plurality of screw holes are formed in the heat radiating fan, and the heat radiating pieces can be fixed by forming screws in the screw holes.

The heat radiating device and the fixing member of the present invention are mainly constituted by a main rod, a locking portion, a hook, a groove and an elastic member. While a locking portion is provided at one end of the main rod, a hook and a groove are provided at the other end of the main rod. The elastic member includes one through hole and a plurality of elastic pieces, or one elastic piece and through holes provided at both ends of the elastic piece. The through hole is used for the main rod to penetrate, and at this time, the elastic member is configured to be located between the locking portion and the hook portion.

[0012] The fixing member of the present invention can be pierced into the connecting hole of the connecting rod provided at the corresponding corner of the heat radiating piece or the connecting hole of the connecting rod provided at the corresponding corner of the radiating fan. . Next, the fixing member is pierced through the fixing hole of the circuit board and fixed. When the heat radiating device is placed above the electronic element, the fixing member is connected to the connecting hole of the connecting rod provided at the corresponding corner of the heat radiating piece or the connecting hole of the connecting rod provided at the corresponding corner of the heat radiating fan. At this time, the elastic members are formed so as to press the connecting rod of the heat radiating piece or the connecting rod of the heat radiating fan, respectively. When the hook of the fixing member is fitted into the connecting hole of the circuit board, the elastic member presses the connecting rod of the radiating piece or the connecting rod of the radiating fan, so that the hook of the fixing member is inserted into the fixing hole of the circuit board. By being tightly fixed, the heat radiating device is formed to be tightly fixed above the electronic element.

[0013] The fixing member of the present invention may be formed integrally with the connecting rod of the radiating fan. Since the connecting rod is made of an elastic material, there is no need to provide another elastic member for the fixing member.

The heat radiating device and the fixing member according to the present invention can directly fix the heat radiating piece and the heat radiating fan to the circuit board. One end of the fixing member is locked by a heat radiating device, while the other end of the fixing member is fixed by penetrating through a plurality of fixing holes formed in the circuit board. When the device is installed above the electronic element, the heat radiating device can be fixed to the circuit board by a plurality of fixing members. In addition, since the fixing member of the present invention has an elastic member, the fixing member can be prevented from dropping out of the fixing hole of the circuit board, and the electronic element and the heat dissipation device can be tightly coupled. Therefore, the heat radiation effect can be enhanced.

[0015]

[Embodiment of the invention]

 An embodiment of the present invention will be described below with reference to the drawings.

[0016]

First Embodiment In an exploded perspective view of a first embodiment of the present invention shown in FIGS. 1 and 3 and a cross-sectional view taken along line 3-3 in FIG. 2, a fixing member 100 includes a main rod 100, a locking portion 111, and a hook. It comprises a portion 112, a groove 114 and an elastic member 115. While a locking portion 111 is provided at one end of the main rod 110, a hook portion 112 and a groove 114 are provided at the other end of the main rod 110. The diameter of the locking portion 111 is larger than the maximum diameter of the hook 112. The hook 112 is formed by a slope at the end of the two rods 113, and the groove 114 is formed by a gap between the two rods 113.

Since the two support rods 113 have elasticity, they can approach each other, thereby reducing the diameter of the hook 112. The elastic member 115 is provided with a through hole 116 and two elastic pieces 117. The through hole 116 is located between the two elastic pieces 117, and the through hole 116 corresponds to the coupling hole 122 of the heat radiation piece 120 and the fixing hole 132 of the circuit board 130, and the diameter of the hook 112 of the main rod 110. It is used to penetrate when the size becomes smaller. When the two support rods 113 return to their original positions, the elastic member 115 is elastically urged to push up between the engaging portion 111 and the connecting rod 121 of the heat radiation piece 120. Since the hook portion 112 of the main rod 110 is locked to the back surface of the circuit board 130, the heat radiation piece 120 is formed so as to be fixed on the electronic element 131 and connected thereto.

Referring to FIGS. 1, 2 and 3, in the heat radiating device according to the first embodiment of the present invention, connecting rods 121 are respectively provided at two corresponding corners from the bottom of the heat radiating piece 120. Each is provided with a coupling hole 122. The circuit board 130 is provided with a pair of fixing holes 132 corresponding to the electronic elements 131. When the heat radiating piece 120 is placed on the electronic element 131, the coupling hole 122 of the heat radiating piece 120 and the fixing hole 132 of the circuit board 130 are used for the hook 112 of the fixing member 100 to penetrate. When the two support rods 113 of the hook 112 approach each other by pressing, the fixing member 100 penetrates the fixing hole 132 of the circuit board 130 along the slope of the hook 112, and the elastic member 115 of the fixing member 100. Is formed between the engaging portion 111 and the connecting rod 121 of the heat radiation piece 120. At this time, the two elastic pieces 117 of the elastic member 115 are stopped by the connecting rod 121 and push the fixing member 100 upward, whereas the hook 112 at the end of the fixing member is formed by the two supporting rods 113. The heat sink 120 is tightly fixed on the electronic element 131 because it is locked to the back surface of the circuit board 130 by returning to the original position. The amount of heat generated from the electronic element 131 is conducted to the heat radiating piece 120 to be radiated.

[0019]

Second Embodiment In an exploded perspective view of a fixing member according to a second embodiment of the present invention shown in FIG. 4, the fixing member 200 includes a main rod 210, a locking portion 211, a hook portion 212, a groove 214, and an elastic member 215. Be composed. While a locking portion 211 is provided at one end of the main rod 210, a hook portion 212 and a groove 214 are provided at the other end of the main rod 210. The diameter of the locking part 211 is larger than the maximum diameter of the hook part 212. The hook portion 212 is formed by a slope at the end of the two support rods 213, and the groove 214 is formed by a gap between the two support rods 213. Since the two support rods 213 have elasticity, they can approach each other, so that the diameter of the hook portion 212 decreases. The elastic member 215 is provided with a through hole 216 and three elastic pieces 217. The through hole 216 is located between the three elastic pieces 217, and the through hole 216 has a diameter of the hook 212 of the main rod 210. It is used to penetrate when the size becomes smaller.

[0020]

Third Embodiment In an exploded perspective view of a fixing member according to a third embodiment of the present invention shown in FIG. 5, the fixing member 300 includes a main rod 310, a locking portion 311, a hook 312, a groove 314, and an elastic member 315. Be composed. A hook 312 and a groove 314 are provided at the other end of the main rod 310, while a locking portion 311 is provided at one end of the main rod 310. The diameter of the locking part 311 is larger than the maximum diameter of the hook part 312. The hook 312 is formed by a slope at the end of the two support rods 313, and the groove 314 is formed by a gap between the two support rods 313. Since the two support rods 313 have elasticity, they can approach each other, so that the diameter of the hook 312 is reduced. The elastic member 315 has one elastic piece 316, and through holes 317 are formed at both ends of the elastic piece 316. By bending the elastic piece 316, the through holes 317 at both ends are located on the same straight line. The through hole 317 is used to penetrate when the diameter of the hook 312 of the main rod 310 becomes small.

[0021]

Fourth Embodiment In an exploded perspective view of a fourth embodiment of the present invention shown in FIG. 6, the heat dissipation device mainly includes a fixing member 400, a heat dissipation fan 410, and a heat dissipation piece 420.

Referring to FIGS. 6, 7, and 8, connecting rods 411 extend from the bottom of the heat dissipation fan 410 to two corresponding corners. The coupling rod 411 is provided with a coupling hole 412 and a localization groove 413, respectively. The localization groove 413 is formed at the protruding end of the heat dissipation fan 410 inside the coupling portion with the coupling rod 411. The positioning groove 413 is formed so as to be surrounded at right angles from two adjacent sides, and is used to press and lock the upper corner of the fin 423 of the heat radiation piece 420. Connecting rods 421 also extend from the bottom of the heat radiation piece 420 to two corresponding corners, respectively, and the connecting rods 421 are respectively provided with connecting holes 422.

The heat dissipating fan 410 and the heat dissipating piece 420 are overlapped. At this time, the coupling holes 412 of the heat dissipating fan 410 and the coupling holes 422 of the heat dissipating piece 420 overlap with each other, and two positioning grooves 413 of the heat dissipating fan 410 are respectively formed. A corresponding corner on the upper part of the fin 423 of the heat radiating piece 420 is pressed and locked, and then a screw 415 is made to penetrate a screw hole 414 of the heat radiating fan 410 so that the two fins 423 of the heat radiating piece 420 are interposed. By screwing, the heat dissipation fan 410 and the heat dissipation piece 420 are connected and fixed. Then, the heat dissipation device formed by combining the heat dissipation fan 410 and the heat dissipation piece 420 is placed on the electronic element 431 of the circuit board 430, and the two fixing holes 432 of the circuit board 430 are inserted into the heat dissipation fan 410. The fixing member 400 is penetrated through the coupling holes 412 and 422 of the radiating fan 410, the radiating piece 420, and the fixing hole 432 of the circuit board 430. It is fixed on the electronic element 431 of the plate 430. Since the elastic member 401 is located between the fixing member 400 and the connecting rod 411 of the heat radiating fan 410 and is resiliently biased, the heat radiating piece 420 can be tightly connected to the electronic element 431. The heat generated from the electronic element 431 is transmitted to the heat radiating piece 420 and can be radiated by the heat radiating fan 410.

[0024]

Fifth Embodiment In the exploded perspective view of the fifth embodiment of the present invention shown in FIG. 9, the heat dissipation device mainly includes a fixing member 500, a heat dissipation fan 510, and a heat dissipation piece 520.

Referring to FIGS. 9, 10 and 11, connecting rods 511 extend from the bottom of the heat dissipation fan 510 to two corresponding corners. The coupling rod 511 is provided with a coupling hole 512 and a positioning groove 513, respectively. The localization groove 513 is formed at the protruding end of the heat dissipation fan 510 inside the portion where it is connected to the connection rod 511. The positioning groove 513 is formed so as to be surrounded at right angles from two adjacent sides, and is used to press and lock the upper corner of the fin 521 of the heat radiation piece 520. A plurality of heat dissipating fins 521 are provided on the heat dissipating piece 520.

The heat dissipating fan 510 and the heat dissipating piece 520 are overlapped. At this time, the two positioning grooves 513 of the heat dissipating fan 510 respectively press and lock the corresponding corners of the upper portions of the fins 521 of the heat dissipating piece 520, and then, By screwing a screw 515 through the screw hole 514 of the heat dissipation fan 510 and screwing it between the two fins 521 of the heat dissipation piece 520, the heat dissipation fan 510 and the heat dissipation piece 520 are connected and fixed. Then, the heat dissipation device formed by joining the heat dissipation fan 510 and the heat dissipation piece 520 is placed on the electronic element 531 of the circuit board 530, and the two fixing holes 532 of the circuit board 530 are connected to the heat dissipation fan 510. The heat dissipation device is fixed on the electronic element 531 of the circuit board 530 by making the fixing member 500 penetrate through the coupling hole 512 of the heat dissipation fan 510 and the fixing hole 532 of the circuit board 530 after being aligned with the hole 512. . Since the elastic member 501 is located between the fixing member 500 and the connecting rod 511 of the heat dissipating fan 510 and is resiliently biased, the heat dissipating piece 520 can be tightly coupled on the electronic element 531. The heat generated from the electronic element 531 is transmitted to the heat dissipation piece 520 and can be dissipated by the heat dissipation fan 510.

[0027]

Sixth Embodiment In the exploded perspective view of the sixth embodiment of the present invention shown in FIG. 12, the heat dissipation device mainly includes a fixing member 600, a heat dissipation fan 610, and a heat dissipation piece 620.

Referring to FIGS. 12, 13 and 14, connecting rods 611 are respectively extended at two corresponding corners on the upper surface of the heat dissipating fan 610, and the connecting rods 611 of the heat dissipating fan 610 are provided at the ends of the connecting rods 611. Is provided with a positioning piece 612 projecting downward. The localization piece 612 can press and lock the oblique side 621 of the heat radiation piece 620. Oblique sides 621 are provided at two corresponding corners of the heat dissipating piece 620, and the oblique sides 621 are used to lock the positioning pieces 612, and the heat dissipating piece 620 is provided with a plurality of fins 622 for dissipating heat. .

The heat dissipating fan 610 and the heat dissipating piece 620 are overlapped. At this time, the two localization pieces 612 of the heat dissipating fan 610 press and lock the oblique sides 621 of the corresponding heat dissipating pieces 620. By screwing a screw 614 through the screw hole 613 and screwing it between the two fins 622 of the heat dissipation piece 620, the heat dissipation fan 610 and the heat dissipation piece 620 are connected and fixed. Then, the heat dissipation device formed by joining the heat dissipation fan 610 and the heat dissipation piece 620 is placed on the electronic element 631 of the circuit board 630, and the fixing member 600 formed at the end of the connection rod 611 of the heat dissipation fan 610 is attached. The heat dissipation device is fixed on the electronic element 631 of the circuit board 630 by penetrating and fixing the fixing hole 632 of the circuit board 630. Since the connecting rod 611 of the heat radiating fan 610 has elasticity, the heat radiating piece 620 can be tightly coupled on the electronic element 631, so that the heat generated from the electronic element 631 is transmitted to the heat radiating piece 620 and released. The heat can be dissipated by the heat fan 610.

[0030]

Seventh Embodiment In the exploded perspective view of the seventh embodiment of the present invention shown in FIG. 15, the heat dissipation device mainly includes a fixing member 700, a heat dissipation fan 710, and a heat dissipation piece 720.

Referring to FIGS. 15 and 16, a connecting rod 711 is provided at each of two corresponding corners on the upper surface of the radiating fan 710, and a locating groove 712 is provided in the radiating fan 710. The localization groove 712 is formed inside a portion where the heat radiation fan 710 is coupled to the coupling rod 711. The localization groove 712 is formed so as to be surrounded at right angles from two adjacent sides, and is used to press and lock the upper corner of the fin 721 of the heat radiation piece 720. A plurality of fins 721 for radiating heat are provided on the heat radiating piece 720.

The heat dissipating fan 710 and the heat dissipating piece 720 are overlapped. At this time, the two localization grooves 712 of the heat dissipating fan 710 press and lock the corresponding corners of the fins 721 of the heat dissipating piece 720 respectively. Next, a screw 714 is penetrated into the screw hole 713 of the heat dissipation fan 710 and is screwed between the two fins 721 of the heat dissipation piece 720, so that the heat dissipation fan 710 and the heat dissipation piece 720 are connected and fixed. Then, the heat radiating device formed by connecting the heat radiating fan 710 and the heat radiating piece 720 is placed on the electronic element 731 of the circuit board 730, and the fixing member 7 formed at the end of the connecting rod 711 of the heat radiating fan 710 is formed. The heat radiating device is fixed on the electronic element 731 of the circuit board 730 by penetrating the fixing hole 732 of the circuit board 730 and fixing the same. Since the connecting rod 711 of the heat radiating fan 710 has elasticity, the heat radiating piece 720 can be tightly coupled to the electronic element 731, so that the heat generated from the electronic element 731 is transmitted to the heat radiating piece 720. The heat can be dissipated by the heat dissipating fan 710.

[0033]

Eighth Embodiment In the exploded perspective view of the eighth embodiment of the present invention shown in FIG. 17, the heat dissipation device mainly includes a fixing member 800, a heat dissipation fan 810, and a heat dissipation piece 820.

Referring to FIGS. 17, 18, and 19, a connecting rod 811 and a positioning groove 812 are provided at two corresponding corners on the bottom of the heat dissipation fan 810, and a fixing member 800 is provided at an end of the connecting rod 811. Have been. A right-angled concave portion is formed at the tip of the connecting rod 811 to form a positioning groove 812, and the positioning groove 812 is used to press and lock the upper corner of the fin 821 of the heat radiation piece 820. A plurality of fins 821 for dissipating heat are provided on the heat dissipating piece 820.

The heat dissipating fan 810 and the heat dissipating piece 820 are overlapped. At this time, the two positioning grooves 812 of the heat dissipating fan 810 press and lock the corresponding corners of the fins 821 of the heat dissipating piece 820 respectively. Next, a screw 814 is penetrated into the screw hole 813 of the heat dissipation fan 810 and screwed between the two fins 821 of the heat dissipation piece 820, so that the heat dissipation fan 810 and the heat dissipation piece 820 are connected and fixed. Then, the heat dissipating device formed by connecting the heat dissipating fan 810 and the heat dissipating piece 820 is placed on the electronic element 831 of the circuit board 830, and the fixing member 8 formed on the end of the connecting rod 811 of the heat dissipating fan 810 is formed. The heat radiating device is fixed on the electronic element 831 of the circuit board 830 by piercing the fixing hole 832 of the circuit board 830 and fixing the same. Since the connecting rod 811 of the heat dissipating fan 810 has elasticity, the heat dissipating piece 820 can be tightly coupled on the electronic element 831, so that the heat generated from the electronic element 831 is transmitted to the heat dissipating piece 820. The heat can be dissipated by the heat dissipating fan 810.

[0036]

[Effect of the invention]

 Since the present invention is configured as described above, the following effects can be obtained.

According to the heat radiating device and the fixing member of the present invention, the heat radiating device can be directly connected to the circuit board and fixed. Fixation becomes more firm. In addition, since the fixing member has elasticity, the heat radiating device can be tightly coupled on the electronic element, so that the best heat radiating effect can be obtained.

The present invention may be embodied in other ways without departing from its spirit and essential characteristics. Accordingly, the preferred embodiments described herein are illustrative and do not limit the scope of the invention.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of Embodiment 1 of the present invention.

FIG. 2 is a plan view of the first embodiment of the present invention in an assembled state.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 2;

FIG. 4 is an exploded perspective view of a fixing member according to a second embodiment of the present invention.

FIG. 5 is an exploded perspective view of a fixing member according to a third embodiment of the present invention.

FIG. 6 is an exploded perspective view of Embodiment 4 of the present invention.

FIG. 7 is a plan view of a fourth embodiment of the present invention in an assembled state.

FIG. 8 is a sectional view taken along line 8-8 in FIG. 7;

FIG. 9 is an exploded perspective view of Embodiment 5 of the present invention.

FIG. 10 is a plan view of a fifth embodiment of the present invention in an assembled state.

FIG. 11 is a sectional view taken along the line 11-11 in FIG. 10;

FIG. 12 is an exploded perspective view of Embodiment 6 of the present invention.

FIG. 13 is a plan view of the assembled state of Embodiment 6 of the present invention.

FIG. 14 is a sectional view taken along the line 14-14 in FIG. 13;

FIG. 15 is an exploded perspective view of Embodiment 7 of the present invention.

FIG. 16 is a plan view of a seventh embodiment of the present invention in an assembled state.

FIG. 17 is an exploded perspective view of Embodiment 8 of the present invention.

FIG. 18 is a plan view of an assembled state of Embodiment 8 of the present invention.

FIG. 19 is a sectional view taken along the line 19-19 in FIG. 18;

[Explanation of symbols]

REFERENCE SIGNS LIST 100 fixing member 110 main rod 111 locking part 112 hook part 113 support rod 114 groove 115 elastic member 116 through hole 117 elastic piece 120 heat radiating piece 121 connecting rod 122 connecting hole 123 fin 130 circuit board 131 electronic element 132 fixing hole 200 fixing member 210 Main rod 211 Locking part 212 Hook 213 Support rod 214 Groove 215 Elastic member 216 Through hole 217 Elastic piece 300 Fixing member 310 Main rod 311 Locking part 312 Hook 313 Support rod 314 Groove 315 Elastic member 316 Elastic piece 317 Penetration Hole 400 fixing member 401 elastic member 410 radiating fan 411 connecting rod 412 connecting hole 413 localization groove 414 screw hole 415 screw 420 radiating piece 421 connecting rod 422 connecting hole 423 fin 430 circuit board 431 electronic element 432 fixing hole 500 fixing member 501 Elastic member 510 Heat radiating fan 511 Connecting rod 512 Connecting hole 513 Localization groove 514 Screw hole 515 Screw 520 Heat radiating piece 521 Fin 530 Circuit board 531 Electronic element 532 Fixing hole 600 Fixing member 610 Heat radiating fan 611 Connecting rod 612 Positioning piece 613 Screw hole 614 620 Heat dissipation piece 621 Oblique side 622 Fin 630 Circuit board 631 Electronic element 632 Fixing hole 700 Fixing member 710 Heat dissipation fan 711 Connecting rod 712 Positioning groove 713 Screw hole 714 Screw 720 Heat dissipation piece 721 Fin 730 Circuit board 731 Electronic element 732 Fixing hole 810 radiating fan 811 connecting rod 812 positioning groove 813 screw hole 814 screw 820 radiating piece 821 fin 830 circuit board 831 electronic element 832 fixing hole

Claims (23)

[Utility model registration claims] 1. A main rod (110) and an elastic member (11).
5), a locking portion (111) is provided at one end of the main rod (110), while a hook (112) is provided at the other end of the main rod (110), and the elastic member (115) is provided. Has at least one through hole (116) and an elastic piece (11).
7) is provided, the through hole (116) is used for penetrating the main rod (110), and the elastic member (115) is used for the main rod (1).
10) is fitted between the locking portion (111) and the hook portion (112), and the diameter of the locking portion (111) of the main rod (110) is equal to the diameter of the through hole (116) of the elastic member (115). Since the elastic member (115) is formed larger, the locking portion (1)
11) A fixing member for a heat radiating device, which can be prevented from falling off from 11). 2. A fixing member for a heat radiating device according to claim 1, wherein the hook (112) of the main rod (110) is constituted by the ends of two elastic rods (113). 3. A groove (1) extending from a gap between two support rods (113).
14) is formed, and the groove (114) has two rods (11).
3. A fixing member for a heat radiating device according to claim 2, wherein 3) are configured to be used to approach each other. The diameter of the hook (112) of the main rod (110) can be reduced, and the elastic member (115)
The fixing member of the heat radiating device according to claim 3, wherein the fixing member is configured to be able to penetrate the through hole (116). 5. The elastic member (115) is provided with one through hole (116) and two elastic pieces (117), and the through hole (116) is located between the two elastic pieces (117). The fixing member of the heat radiating device according to claim 1, wherein the fixing member is configured to be located. 6. The elastic member (215) is provided with one through hole (216) and a plurality of elastic pieces (217), and the through hole (216) is located between the plurality of elastic pieces (217). The fixing member of the heat radiating device according to claim 1, wherein the fixing member is configured to be located. 7. An elastic member (315) includes one elastic piece (3).
The fixing member for a heat radiating device according to claim 1, wherein the fixing member is formed by bending the elastic piece (316) so that through holes (317) are respectively formed at both ends of the elastic piece (316). 8. A heat radiating piece (120) and a fixing member (10).
0), the heat radiation piece (120) is provided with a plurality of fins (123) and at least one connecting rod (121), and a connecting hole (122) is formed in the connecting rod (121). A heat radiating device characterized in that a heat radiating piece (120) can be fixed by penetrating a fixing member (100) into a coupling hole (122) of a coupling rod (121). 9. A connecting rod (121) is provided at each of two corresponding corners of the heat radiating piece (120), and the connecting rod (12) is provided.
9. The heat radiator according to claim 8, wherein 1) is configured to be used to penetrate and fix the fixing member (100). 10. A heat dissipation fan (410) having a plurality of screw holes (414) in the heat dissipation fan (410).
The heat radiating device according to claim 8, wherein the heat radiating fan (410) is fixed by drilling a screw (415) in the screw hole (414). 11. A connecting rod (41) is attached to the heat radiating fan (410).
1) is provided, and a connecting hole (412) is provided in the connecting rod (411).
2. The device according to claim 1, wherein the connection hole is formed so as to be used for inserting the fixing member.
The heat radiating device according to 0. 12. The heat radiating device according to claim 11, wherein a positioning groove is formed at a projecting end of the heat radiating fan inside a portion connected to the connecting rod. 13. The positioning groove (413) is formed so as to surround at right angles from two adjacent sides.
2. The heat radiator according to 2. 14. A circuit board (430), wherein the circuit board (430) is provided with an electronic element (431) and a plurality of fixing holes (432), and the plurality of fixing holes (432) are connected to the electronic element (432). 9. The heat radiating device according to claim 8, wherein the fixing device is formed so as to penetrate the periphery of the fixing member and the fixing holes are used to fix the fixing member. 15. A heat dissipation device comprising a heat dissipation fan (510), wherein the heat dissipation fan (510) is provided with at least one connecting rod (511). 16. The connecting rod (51) of the heat radiating fan (510).
A coupling hole (512) is formed in 1), and the coupling hole (512) is formed.
16. The heat radiating device according to claim 15, wherein the heat radiating device is configured to be used to penetrate and fix the fixing member (500). 17. A positioning groove (513) is formed at a protruding end of the heat radiating fan (510) inside a portion connected to the connecting rod (511), and the positioning groove (513) is formed at an upper corner of the heat radiation piece (520). The heat radiating device according to claim 15, wherein the heat radiating device is configured to be used for pressing and locking. 18. The positioning groove (513) is configured to be surrounded at right angles from two adjacent sides.
7. The heat radiating device according to 7. 19. The connecting rod (61) of the radiating fan (610).
At the tip of 1), a localization piece (612) is protruded so as to consist of a plate piece extending downward, and the localization piece (612) presses the oblique side (621) of the heat radiation piece (620) to lock. The heat radiating device according to claim 15, wherein the heat radiating device is configured to be able to perform the operation. 20. A connecting rod (61) of a heat radiating fan (610).
The fixing member (600) protrudes from the tip of 1), and the fixing member (600) can be fixedly penetrated through the fixing hole (632) of the circuit board (630). The heat dissipation device according to claim 15, wherein the heat dissipation device is configured to be tightly coupled above the electronic element (630). 21. A connecting rod (61) of a heat radiating fan (610).
16. The heat radiating device according to claim 15, wherein 1) is configured to extend from a corresponding corner of an upper surface of the heat radiating fan. 22. A connecting rod (61) of a heat radiating fan (610).
The heat radiating device according to claim 15, wherein 1) is configured to have elasticity. 23. A plurality of screw holes (613) are formed in the heat dissipation fan (610), and the screw holes (613) are inserted into the screw holes (613).
The heat radiating device according to claim 15, wherein the heat radiating piece (620) can be fixed by forming the hole (14).