CN210348395U

CN210348395U - Heat radiation structure with heat conduction insulating gasket

Info

Publication number: CN210348395U
Application number: CN201921643636.2U
Authority: CN
Inventors: 张收成; 刘奥琪; 代玉
Original assignee: Hefei Aoqi Electronics Co ltd
Current assignee: Hefei Aoqi Electronics Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-04-17
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a take heat radiation structure of heat conduction insulating pad piece, which comprises a housin, the inboard center department of casing is provided with the bottom plate, be provided with the connecting rod around the bottom plate between the inner wall of casing, the upper end external surface fixation of bottom plate is provided with the motor, the motor is including extending the drive shaft of upper end, the upper end of drive shaft is provided with the flabellum shell, the flabellum shell is provided with the disconnect structure with the junction of drive shaft, and through disconnect structure swing joint between flabellum shell and the drive shaft, the lower extreme surface of casing is provided with laminated structure. A take heat radiation structure of heat conduction insulating gasket, through being provided with the disconnect structure, the dismouting of the flabellum part of being convenient for to the clearance in later stage is maintained, through being provided with laminated structure, when contacting with the not smooth cooling surface of treating, can ensure and treat that the cooling surface keeps great area of contact, and then carries out better heat conduction, more comprehensive.

Description

Heat radiation structure with heat conduction insulating gasket

Technical Field

The utility model relates to a heat radiation structure field, in particular to take heat conduction insulating gasket's heat radiation structure.

Background

On a circuit board, particularly a circuit board used by a computer, a heat dissipation structure is usually arranged at a position such as a CPU (central processing unit) for heat dissipation, the heat dissipation structure usually comprises a motor and fan blades, and the fan blades are driven by the motor to rotate for heat dissipation; the utility model discloses a heat radiation structure, including fan blade, radiating area, heat conduction insulating gasket, fan blade.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a heat dissipation structure with heat conductive insulating pad, which can effectively solve the problems in the background art.

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

the utility model provides a take heat radiation structure of heat conduction insulating gasket, includes the casing, the inboard center department of casing is provided with the bottom plate, be provided with the connecting rod around the bottom plate between the inner wall of casing, the upper end external surface fixation of bottom plate is provided with the motor, the motor is including extending the drive shaft of upper end, the upper end of drive shaft is provided with the flabellum shell, the flabellum shell is provided with the disconnect structure with the junction of drive shaft, and through disconnect structure swing joint between flabellum shell and the drive shaft, the lower extreme surface of casing is provided with laminated structure.

Preferably, the number of the connecting rods is three, the connecting rods are fixedly connected with the bottom plate and the shell, and the connecting rods are arranged in an annular array on the outer surface of the bottom plate.

Preferably, the disassembly and assembly structure comprises a connecting seat, a rubber pad and a limiting strip, the limiting strip is fixedly arranged on the outer surface of the driving shaft, the upper ends of the driving shaft and the limiting strip are inserted into the inner side of the connecting seat, the rubber pad is arranged between the limiting strip and the gaps of the shapes of the inner sides of the driving shaft and the connecting seat, the rubber pad is fixedly connected with the connecting seat, and the rubber pad is movably connected with the connecting seat.

Preferably, the number of the limiting strips is four, and the limiting strips are arranged in an annular array along the outer surface of the driving shaft.

Preferably, the attaching structure includes a supporting frame and a heat conducting pad fixedly attached to the supporting frame, the supporting frame includes a square frame located at a central position, and a branch frame extending outwards along a diagonal line of the square frame, and the supporting frame is fixedly connected to the housing.

Preferably, the end of braced frame's feeder pillar is provided with the joint mouth, the joint department of joint mouth and casing is provided with the installed part, the installed part is including extending the installation piece of surface around the casing, passing the fixing bolt of installation piece upper end surface, overlapping in the fixation nut of fixing bolt surface, the joint mouth overlaps in fixing bolt's the outside, and the joint mouth presss from both sides between fixing nut and installation piece.

Compared with the prior art, the utility model discloses following beneficial effect has: the heat dissipation structure with the heat conduction insulating gasket is provided with the detaching structure, and the fan blade shell is pulled upwards, so that when the pulling force is greater than the friction force of the rubber gasket to the limiting strip and the driving shaft, the connecting seat and the driving shaft can be separated, then the fan blade shell can be cleaned or replaced independently, then the limiting strip and the driving shaft are aligned to the original position and inserted again, the installation can be finished, the natural separation of the fan blade shell is prevented by the reinforcing effect of the rubber pad, the disassembly and the assembly of the fan blade part are convenient, so as to be convenient for cleaning and maintenance in the later period, the heat conducting pad also has better heat conducting effect by arranging the attaching structure, when the heat conducting pad is contacted with the surface to be cooled which is not smooth enough, the heat conducting pad can be extruded and deformed by the bulge, so as to ensure that the heat sink keeps a larger contact area with the surface to be cooled, and further better heat conduction is carried out, thus being more comprehensive.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat dissipation structure with a heat conductive insulating spacer according to the present invention;

fig. 2 is a cross-sectional view of a heat dissipation structure with a heat conductive insulating spacer according to the present invention;

FIG. 3 is a schematic view of a detachable structure of a heat dissipation structure with a heat conductive insulating spacer according to the present invention;

fig. 4 is a schematic view of the heat dissipation structure with heat conductive insulating spacer of the present invention.

In the figure: 1. a housing; 2. a base plate; 3. a connecting rod; 4. a motor; 41. a drive shaft; 5. a fan blade housing; 6. a disassembly structure; 61. a connecting seat; 62. a rubber pad; 63. a limiting strip; 7. fitting the structure; 71. a support frame; 72. a thermally conductive pad; 73. a card interface; 8. a mounting member; 81. mounting blocks; 82. fixing the bolt; 83. and (5) fixing the nut.

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.

As shown in fig. 1-4, a heat dissipation structure with a heat conductive insulating gasket comprises a casing 1, a bottom plate 2 is arranged at the center of the inner side of the casing 1, a connecting rod 3 is arranged between the periphery of the bottom plate 2 and the inner wall of the casing 1, a motor 4 is fixedly arranged on the outer surface of the upper end of the bottom plate 2, the motor 4 comprises a driving shaft 41 extending out of the upper end, a fan blade shell 5 is arranged at the upper end of the driving shaft 41, a detachable structure 6 is arranged at the joint of the fan blade shell 5 and the driving shaft 41, the fan blade shell 5 and the driving shaft 41 are movably connected through the detachable structure 6, and an attaching structure 7 is arranged.

The number of the connecting rods 3 is three, the connecting rods 3 are fixedly connected with the bottom plate 2 and the shell 1, and the connecting rods 3 are distributed on the outer surface of the bottom plate 2 in an annular array manner, so that the good stability between the connecting rods 3 and the bottom plate 2 is ensured; the dismounting structure 6 comprises a connecting seat 61, a rubber pad 62 and a limiting strip 63, wherein the limiting strip 63 is fixedly arranged on the outer surface of the driving shaft 41, the upper ends of the driving shaft 41 and the limiting strip 63 are inserted into the inner side of the connecting seat 61, the rubber pad 62 is arranged between the limiting strip 63 and a gap of the shape of the inner side of the driving shaft 41 and the connecting seat 61, the rubber pad 62 is fixedly connected with the connecting seat 61, the rubber pad 62 is movably connected with the connecting seat 61, the connecting seat 61 is pulled out upwards, the connecting seat 61 can be separated from the driving shaft 41 and the limiting strip 63, so that the function of quick dismounting is achieved, and the driving shaft 41 and the limiting strip 63 can be quickly mounted after being inserted; the model of the motor 4 is TEC 4260; the number of the limiting strips 63 is four, the limiting strips 63 are arranged in an annular array along the outer surface of the driving shaft 41, so that a good stabilizing effect is achieved, and the phenomenon that the driving shaft 41 and the fan blade shell 5 rotate relatively is prevented; the attaching structure 7 comprises a supporting frame 71 and a heat conducting pad 72 fixedly attached to the supporting frame 71, wherein the supporting frame 71 comprises a square frame located at the central position and branch frames extending outwards along the diagonal connecting line direction of the square frame, the supporting frame 71 is fixedly connected with the shell 1, the supporting frame 71 is ensured to adopt the shape, so that the conflict between the supporting frame 71 and the protruding position of a surface to be cooled can be reduced as much as possible, and meanwhile, the shape of the heat conducting pad 72 can be kept, and the heat conducting pad 72 is an insulating heat conducting silica gel pad; end department of braced frame 71's bifurcated frame is provided with joint interface 73, joint interface 73 is provided with installed part 8 with casing 1's junction, installed part 8 is including extending the installation piece 81 of casing 1 surface on every side, pass the fixing bolt 82 of installation piece 81 upper end surface, overlap in the fixation nut 83 of fixing bolt 82 surface, joint interface 73 overlaps in the outside of fixing bolt 82, and joint interface 73 presss from both sides between fixing nut 83 and installation piece 81, through unscrewing fixing bolt 82, can remove joint interface 73 downwards, in order to take off laminated structure 7, be convenient for later stage disassembly and the equipment of structure.

It should be noted that, the utility model relates to a heat dissipation structure with heat conduction insulating pad, when in use, the user can separate the connecting seat 61 from the driving shaft 41 by pulling the fan blade shell 5 upwards to make the pulling force greater than the friction force of the rubber pad 62 to the spacing strip 63 and the driving shaft 41, and then can clean or replace the fan blade shell 5 alone, and then insert the spacing strip 63 and the driving shaft 41 again in the same position, so as to complete the installation, the reinforcing effect of the rubber pad 62 prevents the fan blade shell 5 from being separated naturally, so as to facilitate the disassembly and assembly of the fan blade part, so as to facilitate the later cleaning and maintenance, the heat conduction pad 72 also has better heat conduction effect, when contacting with the surface to be cooled which is not smooth enough, the heat conduction pad 72 can receive the extrusion deformation of the protrusion, so as to ensure that the surface to be cooled keeps larger contact area, and further perform better heat conduction, more comprehensive.

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 take heat radiation structure of heat conduction insulating pad, includes casing (1), its characterized in that: the inboard center department of casing (1) is provided with bottom plate (2), be provided with connecting rod (3) around bottom plate (2) between the inner wall of casing (1), the upper end external fixation of bottom plate (2) is provided with motor (4), motor (4) are including extending drive shaft (41) of upper end, the upper end of drive shaft (41) is provided with fan blade shell (5), the junction of fan blade shell (5) and drive shaft (41) is provided with disconnect structure (6), and through disconnect structure (6) swing joint between fan blade shell (5) and drive shaft (41), the lower extreme surface of casing (1) is provided with laminated structure (7).

2. The heat dissipation structure with heat conductive and insulating pad as claimed in claim 1, wherein: the quantity of connecting rod (3) is three groups, be fixed connection between connecting rod (3) and bottom plate (2) and casing (1), connecting rod (3) are annular array in the surface of bottom plate (2) and arrange.

3. The heat dissipation structure with heat conductive and insulating pad as claimed in claim 1, wherein: the disassembly and assembly structure (6) comprises a connecting seat (61), a rubber pad (62) and a limiting strip (63), wherein the limiting strip (63) is fixedly arranged on the outer surface of the driving shaft (41), the upper ends of the driving shaft (41) and the limiting strip (63) are inserted into the inner side of the connecting seat (61), the rubber pad (62) is arranged between the limiting strip (63) and the gaps of the shapes of the inner sides of the driving shaft (41) and the connecting seat (61), the rubber pad (62) is fixedly connected with the connecting seat (61), and the rubber pad (62) is movably connected with the connecting seat (61).

4. The heat dissipation structure with heat conductive and insulating pad as claimed in claim 3, wherein: the number of the limiting strips (63) is four, and the limiting strips (63) are arranged in an annular array along the outer surface of the driving shaft (41).

5. The heat dissipation structure with heat conductive and insulating pad as claimed in claim 1, wherein: the attaching structure (7) comprises a supporting frame (71) and a heat conducting pad (72) fixedly attached to the supporting frame (71), the supporting frame (71) comprises a square frame located at the center position and branch frames extending outwards along the diagonal connecting line direction of the square frame, and the supporting frame (71) is fixedly connected with the shell (1).

6. The heat dissipation structure with heat conductive and insulating pad as claimed in claim 5, wherein: end department of the outrigger of braced frame (71) is provided with joint interface (73), joint interface (73) and the junction of casing (1) are provided with installed part (8), installed part (8) are including extending installation piece (81) of casing (1) surface around, pass fixing bolt (82) of installation piece (81) upper end surface, overlap in fixing bolt (82) the fixation nut (83) of surface, joint interface (73) cover in the outside of fixing bolt (82), and joint interface (73) clamp is between fixing nut (83) and installation piece (81).