CN211671049U

CN211671049U - Circuit board with heat radiation structure

Info

Publication number: CN211671049U
Application number: CN202020543596.0U
Authority: CN
Inventors: 邱东亮; 秦灵志
Original assignee: Dieson Pcb Shenzhen Co ltd
Current assignee: Dieson Pcb Shenzhen Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-10-13
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a circuit board that possesses heat radiation structure, including the circuit board body, two backup pads of top fixedly connected with of circuit board body, the top of circuit board body is equipped with the heat dissipation shell, the heat dissipation shell is bottom open-ended cavity structure, be equipped with the pivot in the heat dissipation shell, the bottom cover of pivot is equipped with the flabellum, the top of heat dissipation shell is equipped with the motor, the heat dissipation shell is run through on the top of pivot, just the pivot is equipped with the bearing with the department of running through of heat dissipation shell, the top of pivot passes through fixed subassembly with the output of motor and is connected, the first connecting plate of both sides fixedly connected with of heat dissipation shell. A circuit board that possesses heat radiation structure, can dispel the heat to the circuit board body, dismouting between the first connecting plate of completion that can be simple convenient simultaneously, the in-service use of being convenient for to and the split between motor and the pivot of being convenient for, and then the later stage of being convenient for overhauls the motor and changes.

Description

Circuit board with heat radiation structure

Technical Field

The utility model relates to a circuit board technical field, in particular to circuit board that possesses heat radiation structure.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminium nitride ceramic circuit board, the PCB board, aluminium base board, the high frequency board, thick copper board, the impedance board, PCB, ultra-thin circuit board, printing (copper etching technique) circuit board etc, the circuit board makes the circuit miniaturation, it is direct-viewing, play an important role with electrical apparatus overall arrangement to fixed circuit's batch production and optimization, however, the circuit board is at the in-process of use, need install multiple electrical components on the circuit board, electrical components is at the in-process of operation, can produce certain heat, if can not be timely distribute away the heat, the damage that can cause electrical components, be not convenient for in-service use.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a circuit board with a heat dissipation structure, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a circuit board with a heat dissipation structure comprises a circuit board body, wherein two support plates are fixedly connected to the top of the circuit board body, a heat dissipation shell is arranged above the circuit board body, the heat dissipation shell is of a cavity structure with an opening at the bottom end, a rotating shaft is arranged in the heat dissipation shell, fan blades are sleeved at the bottom end of the rotating shaft, a motor is arranged above the heat dissipation shell, a bearing is arranged at the penetrating position of the rotating shaft and the heat dissipation shell, the top end of the rotating shaft is connected with the output end of the motor through a fixing component, first connecting plates are fixedly connected to two sides of the heat dissipation shell, a groove is formed in the bottom of each first connecting plate, the top end of each support plate is located in the groove, a clamping groove is formed in one side, close to the heat dissipation shell, of each first connecting plate, is located in the groove, a clamping plate is arranged, the top of the heat dissipation shell is provided with a plurality of air inlets.

Preferably, the drive assembly is including seting up the control cavity in first connecting plate, be equipped with the movable block in the control cavity, one side of cardboard and one side fixed connection of movable block, the movable block is kept away from one side of cardboard and is passed through spring coupling with the inner wall of control cavity, the rectangular hole has been seted up to the top inner wall of control cavity, be equipped with the control panel in the rectangular hole, the bottom of control panel and the top fixed connection of movable block, the top of control panel extends to the outside in rectangular hole.

Preferably, the fixed subassembly is including setting up in two lead screws at heat dissipation shell top, lead screw and heat dissipation shell fixed connection, heat dissipation shell one side fixedly connected with motor mounting panel is kept away from to the motor, the lead screw runs through the motor mounting panel, the outside cover of lead screw is equipped with the spacing ring that is located motor mounting panel bottom, the outside cover of lead screw is equipped with the nut that is located motor mounting panel top, the output of motor is equipped with the gear, the top fixedly connected with second connecting plate of pivot, the gear groove has been seted up at the top of second connecting plate.

Preferably, the limiting ring is fixedly connected with the screw rod, the gear is located in the gear groove, and the gear groove is matched with the gear.

Preferably, the motor is externally connected with a control switch and a power supply.

Compared with the prior art, the utility model discloses following beneficial effect has: through the cooperation that sets up circuit board body, backup pad, heat dissipation shell, pivot, flabellum, motor, first connecting plate, recess, draw-in groove, cardboard, inlet port, fixed subassembly and drive assembly, can dispel the heat to the circuit board body, dismouting between first connecting plate of completion that simultaneously can be simple convenient and fast and the backup pad, the in-service use of being convenient for to and the split between motor and the pivot of being convenient for, and then the later stage of being convenient for is overhauld the motor and is changed.

Drawings

Fig. 1 is a schematic view of an overall structure of a circuit board with a heat dissipation structure according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a circuit board body; 2. a support plate; 3. a heat dissipation housing; 4. a rotating shaft; 5. a fan blade; 6. a motor; 7. a first connecting plate; 8. a groove; 9. a card slot; 10. clamping a plate; 11. a control chamber; 12. a movable block; 13. a spring; 14. a rectangular hole; 15. a control panel; 16. an air inlet; 17. a motor mounting plate; 18. a screw rod; 19. a bearing; 20. a limiting ring; 21. a nut; 22. a second connecting plate; 23. a gear groove; 24. a gear.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a circuit board with a heat dissipation structure comprises a circuit board body 1, two support plates 2 are fixedly connected to the top of the circuit board body 1, a heat dissipation casing 3 is arranged above the circuit board body 1, the heat dissipation casing 3 is a cavity structure with an open bottom, a rotating shaft 4 is arranged in the heat dissipation casing 3, fan blades 5 are sleeved at the bottom end of the rotating shaft 4, a motor 6 is arranged above the heat dissipation casing 3, the top end of the rotating shaft 4 penetrates through the heat dissipation casing 3, a bearing 19 is arranged at the penetrating position of the rotating shaft 4 and the heat dissipation casing 3, the top end of the rotating shaft 4 is connected with the output end of the motor 6 through a fixing component, first connecting plates 7 are fixedly connected to two sides of the heat dissipation casing 3, a groove 8 is formed at the bottom of the first connecting plates 7, the top end of the support plates 2 is located in the groove 8, a clamping plate 10 is arranged in the clamping groove 9, a driving component is arranged on one side of the clamping plate 10, and a plurality of air inlets 16 are formed in the top of the heat dissipation shell 3;

the driving assembly comprises a control cavity 11 arranged in the first connecting plate 7, a movable block 12 is arranged in the control cavity 11, one side of the clamping plate 10 is fixedly connected with one side of the movable block 12, one side, far away from the clamping plate 10, of the movable block 12 is connected with the inner wall of the control cavity 11 through a spring 13, a rectangular hole 14 is formed in the inner wall of the top of the control cavity 11, a control plate 15 is arranged in the rectangular hole 14, the bottom of the control plate 15 is fixedly connected with the top of the movable block 12, and the top end of the control plate 15 extends to the outside of the rectangular hole 14; the fixing assembly comprises two lead screws 18 arranged at the top of the heat dissipation shell 3, the lead screws 18 are fixedly connected with the heat dissipation shell 3, one side, away from the heat dissipation shell 3, of the motor 6 is fixedly connected with a motor mounting plate 17, the lead screws 18 penetrate through the motor mounting plate 17, a limiting ring 20 positioned at the bottom of the motor mounting plate 17 is sleeved outside the lead screws 18, nuts 21 positioned at the top of the motor mounting plate 17 are sleeved outside the lead screws 18, a gear 24 is arranged at the output end of the motor 6, a second connecting plate 22 is fixedly connected to the top of the rotating shaft 4, and a gear groove 23 is formed in the; the limiting ring 20 is fixedly connected with the screw rod 18, the gear 24 is positioned in the gear groove 23, and the gear groove 23 is matched with the gear 24; the motor 6 is externally connected with a control switch and a power supply.

It should be noted that, the utility model relates to a circuit board with heat dissipation structure, when in use, the motor 6 drives the rotating shaft 4 to rotate, and then the fan blade 5 dissipates heat to the circuit board body 1, when the heat dissipation structure needs to be disassembled, the driving control panel 15 moves away from the supporting plate 2, the spring 13 is in a compressed state, and then the snap-gauge 10 is separated from the snap-in groove 9, the fixed relation between the supporting plate 2 and the first connecting plate 7 is removed, and then the first connecting plate 7 is lifted, the disassembling between the first connecting plate 7 and the supporting plate 2 can be simply and conveniently completed, and similarly, the disassembling step is operated reversely, the installation of the heat dissipation structure can be completed, the practical use is convenient, when the motor 6 needs to be disassembled, the nut 21 is rotated, the nut 21 is separated from the screw rod 18, and then the motor mounting plate 17 is lifted, so that the, can accomplish the split between motor 6 and pivot 4, the same reason, the equipment between motor 6 and the pivot 4 can be accomplished to the above-mentioned split step of reverse operation, and then the later stage of being convenient for overhauls and changes motor 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a circuit board that possesses heat radiation structure which characterized in that: comprises a circuit board body (1), the top of the circuit board body (1) is fixedly connected with two supporting plates (2), a heat dissipation shell (3) is arranged above the circuit board body (1), the heat dissipation shell (3) is of a cavity structure with an opening at the bottom end, a rotating shaft (4) is arranged in the heat dissipation shell (3), fan blades (5) are sleeved at the bottom end of the rotating shaft (4), a motor (6) is arranged above the heat dissipation shell (3), the top end of the rotating shaft (4) penetrates through the heat dissipation shell (3), a bearing (19) is arranged at the penetrating position of the rotating shaft (4) and the heat dissipation shell (3), the top end of the rotating shaft (4) is connected with the output end of the motor (6) through a fixing component, the two sides of the heat dissipation shell (3) are fixedly connected with first connecting plates (7), a groove (8) is formed in the bottom of the first connecting plates (7), and the top ends of the supporting, a clamping groove (9) is formed in one side, close to the heat dissipation shell (3), of the first connecting plate (7), the clamping groove (9) is located in the groove (8), a clamping plate (10) is arranged in the clamping groove (9), a driving assembly is arranged on one side of the clamping plate (10), and a plurality of air inlets (16) are formed in the top of the heat dissipation shell (3).

2. The circuit board with a heat dissipation structure of claim 1, wherein: drive assembly is including offering control cavity (11) in first connecting plate (7), be equipped with movable block (12) in control cavity (11), one side of cardboard (10) and one side fixed connection of movable block (12), one side that cardboard (10) were kept away from in movable block (12) passes through spring (13) with the inner wall of control cavity (11) and is connected, rectangular hole (14) have been seted up to the top inner wall of control cavity (11), be equipped with control panel (15) in rectangular hole (14), the bottom of control panel (15) and the top fixed connection of movable block (12), the top of control panel (15) extends to the outside of rectangular hole (14).

3. The circuit board with a heat dissipation structure of claim 1, wherein: fixed subassembly is including setting up in two lead screws (18) at heat dissipation shell (3) top, lead screw (18) and heat dissipation shell (3) fixed connection, heat dissipation shell (3) one side fixedly connected with motor mounting panel (17) are kept away from in motor (6), lead screw (18) run through motor mounting panel (17), the outside cover of lead screw (18) is equipped with spacing ring (20) that are located motor mounting panel (17) bottom, the outside cover of lead screw (18) is equipped with nut (21) that are located motor mounting panel (17) top, the output of motor (6) is equipped with gear (24), the top fixedly connected with second connecting plate (22) of pivot (4), gear groove (23) have been seted up at the top of second connecting plate (22).

4. The circuit board with a heat dissipation structure of claim 3, wherein: the limiting ring (20) is fixedly connected with the screw rod (18), the gear (24) is located in the gear groove (23), and the gear groove (23) is matched with the gear (24).

5. The circuit board with a heat dissipation structure of claim 1, wherein: the motor (6) is externally connected with a control switch and a power supply.