CN215121739U

CN215121739U - Be used for PFC board fin

Info

Publication number: CN215121739U
Application number: CN202121529944.XU
Authority: CN
Inventors: 包新华
Original assignee: Dongguan Weishan Electromechanical Technology Co ltd
Current assignee: Dongguan Weishan Electromechanical Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-12-10
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a heat sink for PFC board, relating to the technical field of heat sink, two symmetrical spring components are fixedly arranged on two sides of the bottom of the heat sink, two symmetrical buckles are fixedly arranged on two sides of the top end of the heat sink, a heat sink fan is arranged on the top of the heat sink, two symmetrical clamping boards and a stretching frame component are respectively arranged on two sides of the bottom of the heat sink fan, when the heat sink is arranged on an object needing heat dissipation, when a blocking object is arranged on the other side, the first spring is utilized to tighten or loosen the distance of the blocking object, an elastic action is played, the contact area between the fin part of the heat sink and the outside air is enlarged, the heat dissipation on the heat sink is more facilitated, the heat dissipation efficiency of the heat sink is improved, the anti-skid pad has the anti-skid function, the heat sink and the fan can be rapidly installed and disassembled, the whole process is simple, the fan can be selected to be installed or not according to the requirements of users.

Description

Be used for PFC board fin

Technical Field

The utility model relates to a fin technical field specifically is a be used for PFC board fin.

Background

The area that radiating fin and outside air contacted is very little when the present fin is installed with the article that needs the heat dissipation, be unfavorable for radiating the heat on the fin to giving off the heat all around, only transfer a heat to another place, the radiating efficiency of fin has significantly reduced, and the fan of present fin installation is dismantled and is installed and complicated, can not dismantle the fan fast and install when the user does not need the fan, and the process is really very troublesome, therefore the staff in this field has proposed one kind and has been used for PFC board fin.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for PFC board fin, it is very little with the area of outside air contact to have solved fin, is unfavorable for the thermal problem that can not dismantle fast with the installation to the fan that gives off heat all around on fin on the fin.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a heat radiating fin for a PFC (power factor correction) board comprises a heat radiating fin, wherein two symmetrical spring assemblies are fixedly mounted on two sides of the bottom of the heat radiating fin, two symmetrical fixed blocks are hinged to the other two sides of the bottom of the heat radiating fin, two symmetrical buckles are fixedly mounted on two sides of the top end of the heat radiating fin, a heat radiating fan is arranged at the top of the heat radiating fin, and two symmetrical clamping plates and a stretching frame assembly are respectively mounted on two sides of the bottom of the heat radiating fan;

the spring assembly comprises a loop bar arranged at the bottom of the radiating fin, a first spring is arranged in the loop bar, and a first fixing rod is fixedly arranged at one end of the first spring;

the stretching frame assembly comprises a second fixing rod arranged at the bottom of the heat dissipation fan, a groove is formed in the second fixing rod, a sliding column and a second spring are respectively arranged in the groove, and a clamping block is fixedly arranged at the bottom end of the sliding column.

As the utility model discloses a further technical scheme, spring unit is located the buckle under, the draw-in groove has been seted up to the inside of fixed block, fixture block and draw-in groove looks adaptation.

As a further technical scheme of the utility model, first dead lever sliding connection is in the inside of loop bar, the bottom fixed mounting of first dead lever has the slipmat.

As a further technical scheme of the utility model, the top fixed mounting of traveller has spacing post, spacing post is located the top of second spring.

As a further technical scheme of the utility model, traveller sliding connection is in the inside of recess, buckle and cardboard looks adaptation.

As a further technical scheme of the utility model, fin and heat dissipation fan form fixed connection structure through buckle, cardboard, fixed block and stretching frame subassembly respectively.

Advantageous effects

The utility model provides a be used for PFC board fin. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a be used for PFC board fin, when installing the fin on required radiating article, when meetting the opposite side and having the backstop, the inside first dead lever of loop bar utilizes first spring to tighten up or the lax state the distance of backstop, play an elastic action, the fin department of fin and the area grow of outside air contact, be favorable to thermal scattering and disappearing on the fin more, thereby the radiating efficiency of fin has been improved greatly, when the slipmat touches the backstop, antiskid effect has.

2. The utility model provides a be used for PFC board fin, the fin can be installed fast and dismantle with the fan, the simple speed of whole process, when the fan is installed at the fin top, with cardboard and buckle looks block, it only needs to press the buckle both sides and can dismantle to dismantle, cardboard and buckle be prior art, break away from for preventing fan and fin, carry out double-deck installation, make fixture block and draw-in groove looks block be the mountable and succeed, the simple speed of whole process, can install according to user's demand to the fan selection.

Drawings

FIG. 1 is a schematic view of a heat sink for a PFC board;

fig. 2 is an exploded view of a structure for a PFC board heat sink;

FIG. 3 is a schematic view of a spring assembly for a PFC board heat sink;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of a tension bracket assembly for a PFC board heat sink;

fig. 6 is a sectional view of B-B in fig. 5.

In the figure: 1. a heat sink; 2. a spring assembly; 3. buckling; 4. a fixed block; 5. a card slot; 6. a heat dissipation fan; 7. clamping a plate; 8. a tension frame assembly; 21. a loop bar; 22. a first spring; 23. a first fixing lever; 24. a non-slip mat; 81. a second fixing bar; 82. a groove; 83. a limiting column; 84. a traveler; 85. a second spring; 86. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a heat sink for a PFC board, comprising: a heat radiating fin for a PFC (power factor correction) board comprises a heat radiating fin 1, wherein two symmetrical spring assemblies 2 are fixedly mounted on two sides of the bottom of the heat radiating fin 1, two symmetrical fixing blocks 4 are hinged to the other two sides of the bottom of the heat radiating fin 1, two symmetrical buckles 3 are fixedly mounted on two sides of the top end of the heat radiating fin 1, the spring assemblies 2 are located right below the buckles 3, a clamping groove 5 is formed in each fixing block 4, a heat radiating fan 6 is arranged at the top of the heat radiating fin 1, two symmetrical clamping plates 7 and a stretching frame assembly 8 are respectively mounted on two sides of the bottom of the heat radiating fan 6, the buckles 3 are matched with the clamping plates 7, and the heat radiating fin 1 and the heat radiating fan 6 form a fixed connection structure through the buckles 3, the clamping plates 7, the fixing blocks 4 and the stretching frame assembly 8 respectively;

referring to fig. 3-4, the spring assembly 2 includes a loop bar 21 installed at the bottom of the heat sink 1, a first spring 22 is installed inside the loop bar 21, a first fixing rod 23 is fixedly installed at one end of the first spring 22, the first fixing rod 23 is slidably connected inside the loop bar 21, and an anti-slip pad 24 is fixedly installed at the bottom end of the first fixing rod 23;

referring to fig. 5-6, the stretching frame assembly 8 includes a second fixing rod 81 installed at the bottom of the heat dissipating fan 6, a groove 82 is formed in the second fixing rod 81, a sliding column 84 and a second spring 85 are respectively installed in the groove 82, the sliding column 84 is slidably connected to the inside of the groove 82, a limiting column 83 is fixedly installed at the top of the sliding column 84, the limiting column 83 is located at the top of the second spring 85, a clamping block 86 is fixedly installed at the bottom end of the sliding column 84, and the clamping block 86 is matched with the clamping groove 5;

the inside first dead lever 23 of loop bar 21 utilizes first spring 22 to tighten up or the lax state the distance of backstop, the area grow that makes fin afterbody and outside air contact of fin 1, slipmat 24 plays the effect that prevents the landing, with cardboard 7 and 3 looks blocks of buckle, it only needs to press 3 both sides of buckle to dismantle, cardboard 7 is prior art with buckle 3, the bottom of fin 1 articulates there is fixed block 4, it is 90 to rotate fixed block 4 upwards, make fixture block 86 and draw-in groove 5 looks blocks again and can the mountable succeed, pull tensile frame subassembly 8 at rotatory fixed block 4 earlier.

The utility model discloses a theory of operation: when the heat sink is used, when the heat sink 1 is mounted on an object needing heat dissipation, and when a blocking object is arranged on the other side, the first fixing rod 23 in the loop bar 21 utilizes the first spring 22 to tighten or loosen the distance between the blocking object, so as to play an elastic role, so that the contact area between the tail part of the fin of the heat sink 1 and the outside air is enlarged, the heat dissipation on the heat sink is facilitated, when the non-slip mat 24 touches the blocking object, the anti-slip function can be achieved, the heat sink 1 and the heat sink 6 can be rapidly mounted and dismounted, when the heat sink 6 is mounted on the top of the heat sink 1, the snap plate 7 and the snap 3 are clamped, the dismounting can be carried out only by pressing the two sides of the snap 3, the snap plate 7 and the snap 3 are the prior art, in order to prevent the fan from being separated from the heat sink, the double-layer mounting is carried out, the sliding column 84 is pulled downwards, the limiting column 83 enables the second spring 85 to be tightened downwards, at this moment, the limiting column 83 drives the fixture block 86 to move downwards, the bottom of the radiating fin 1 is hinged with the fixing block 4, the fixing block 4 rotates upwards to form 90 degrees, the stretching frame assembly 8 is pulled to rotate the fixing block 4, then the fixture block 86 is clamped with the clamping groove 5, namely the fan can be installed successfully, the whole process is simple, and the fan can be installed or not according to the requirements of users.

Claims

1. The heat radiating fin for the PFC plate comprises a heat radiating fin (1) and is characterized in that two symmetrical spring assemblies (2) are fixedly mounted on two sides of the bottom of the heat radiating fin (1), two symmetrical fixing blocks (4) are hinged to the other two sides of the bottom of the heat radiating fin (1), two symmetrical buckles (3) are fixedly mounted on two sides of the top end of the heat radiating fin (1), a heat radiating fan (6) is arranged at the top of the heat radiating fin (1), and two symmetrical clamping plates (7) and a stretching frame assembly (8) are respectively mounted on two sides of the bottom of the heat radiating fan (6);

the spring assembly (2) comprises a loop bar (21) arranged at the bottom of the radiating fin (1), a first spring (22) is arranged inside the loop bar (21), and a first fixing rod (23) is fixedly arranged at one end of the first spring (22);

the stretching frame assembly (8) comprises a second fixing rod (81) installed at the bottom of the heat dissipation fan (6), a groove (82) is formed in the second fixing rod (81), a sliding column (84) and a second spring (85) are installed in the groove (82) respectively, and a clamping block (86) is fixedly installed at the bottom end of the sliding column (84).

2. The heat sink for the PFC board according to claim 1, wherein the spring assembly (2) is located right below the clip (3), a slot (5) is formed in the fixing block (4), and the clip (86) is matched with the slot (5).

3. The PFC board fin as claimed in claim 1, characterized in that the first fixing rod (23) is slidably connected inside the loop bar (21), and a non-slip mat (24) is fixedly installed at the bottom end of the first fixing rod (23).

4. The PFC plate heat sink according to claim 1, wherein a stopper post (83) is fixedly installed on a top of the sliding post (84), and the stopper post (83) is located on a top of the second spring (85).

5. -the heat sink for PFC boards according to claim 1, characterized in that the sliding column (84) is slidingly connected inside a groove (82), the catch (3) being adapted to the catch plate (7).

6. The heat sink for PFC boards according to claim 1, wherein the heat sink (1) and the heat sink fan (6) form a fixed connection structure through the clip (3), the clip plate (7), the fixing block (4) and the tension frame assembly (8), respectively.