CN214670451U - Heat sink structure - Google Patents
Heat sink structure Download PDFInfo
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- CN214670451U CN214670451U CN202120039972.7U CN202120039972U CN214670451U CN 214670451 U CN214670451 U CN 214670451U CN 202120039972 U CN202120039972 U CN 202120039972U CN 214670451 U CN214670451 U CN 214670451U
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- back plate
- buckle
- heat sink
- self
- sink structure
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Abstract
The utility model discloses a radiator structure, which comprises a back plate, a radiating main body and a buckle, wherein a plurality of fixing columns are arranged on the back plate, each fixing column comprises a connecting part and an acting part which are connected in sequence, the acting part is positioned at one end of the connecting part, which is far away from the back plate, and the diameter of the acting part is larger than that of the connecting part; a plurality of through holes are formed in the heat dissipation main body corresponding to the plurality of fixing columns; the buckle is provided with a plurality of self-locking holes corresponding to the plurality of fixing columns, each self-locking hole comprises an inlet part and a clamping part which are sequentially arranged and communicated along a first direction, and the aperture of each clamping part is smaller than that of each inlet part; the fastener, the heat dissipation main body and the back plate are sequentially stacked, so that the action part of the fixed column sequentially penetrates through the corresponding through hole and the entering part of the self-locking hole, when the fastener reversely translates along the first direction, the connecting part of the fixed column is clamped into the clamping part of the self-locking hole, and the action part of the fixed column is clamped at the edge of the clamping part of the self-locking hole. The utility model discloses technical scheme can save spare part, and reduction in production cost improves the installation effectiveness.
Description
Technical Field
The utility model relates to a heat abstractor technical field, in particular to radiator structure.
Background
Personal Computers (PCs) include desktop computers, all-in-one computers, notebook computers, and the like. Taking a desktop computer as an example, various computer hardware including a motherboard, a hard disk, a CPU, a memory stick, a display card, a power supply, a heat sink, etc. are installed in the main chassis. At present, the mainstream CPU radiator structure is mainly a top-blowing structure, and includes a heat dissipation main body and a back plate, the back plate is attached below the main board, the heat dissipation main body is placed on the CPU of the main board, and the heat dissipation main body and the CPU are fixed by locking four bolts at four corners of the heat dissipation main body and connecting the four bolts with the back plate. In addition, the bolt is usually sleeved with a spring and an O-shaped ring. Therefore, the existing CPU radiator structure has many parts, high cost, complex installation, and low production efficiency due to time and labor consumption because an operator needs to lock four bolts one by one during assembly.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a radiator structure aims at saving spare part, and reduction in production cost improves the installation effectiveness.
In order to achieve the above object, the utility model provides a radiator structure, include: the heat dissipation device comprises a back plate, a heat dissipation main body and a buckle, wherein a plurality of fixing columns are arranged on the back plate, each fixing column comprises a connecting part and an acting part which are sequentially connected, the acting part is positioned at one end, far away from the back plate, of the connecting part, and the diameter of the acting part is larger than that of the connecting part; a plurality of through holes are formed in the heat dissipation main body corresponding to the plurality of fixing columns; the buckle is provided with a plurality of self-locking holes corresponding to the plurality of fixing columns, each self-locking hole comprises an inlet part and a clamping part which are sequentially arranged and communicated along a first direction, and the aperture of each clamping part is smaller than that of each inlet part; the fastener, the heat dissipation main body and the back plate are sequentially stacked, so that the action part of the fixed column sequentially penetrates through the corresponding through hole and the entering part of the self-locking hole, when the fastener reversely translates along the first direction, the connecting part of the fixed column is clamped into the clamping part of the self-locking hole, and the action part of the fixed column is clamped at the edge of the clamping part of the self-locking hole.
Optionally, the plurality of fixing columns are distributed on the back plate in at least two rows along the first direction.
Optionally, the fixing column further includes a reinforcing portion, the reinforcing portion connects the back plate and the connecting portion, and a diameter of the reinforcing portion is larger than a diameter of the connecting portion.
Optionally, the buckle is bent towards the back plate along a part of the center line perpendicular to the first direction, and the buckle has elasticity.
Optionally, a holding piece is arranged on the front side of the buckle along the first direction, and the holding piece extends back to the back plate; and/or a positioning part is arranged on the rear side of the buckle along the first direction and extends towards the back plate.
Optionally, the heat dissipating body includes: the fan comprises a chassis, a radiating fin and a fan, wherein a plurality of through holes are formed in the chassis; the plurality of radiating fins are arranged on the chassis side by side; the fan is fixed on the plurality of radiating fins.
Optionally, the buckle is provided with a mounting opening, and the buckle is sleeved on the peripheries of the plurality of radiating fins through the mounting opening.
Optionally, the fan is provided with a power cord, and one end of the power cord, which is far away from the end connected with the fan, is provided with a plug.
Optionally, the heat sink structure further comprises: the insulating piece, correspond a plurality of fixed columns on the insulating piece and seted up a plurality of via holes, the insulating piece is folded and is located between heat dissipation main part and the backplate.
Optionally, a first avoiding opening is formed in the center of the back plate; the insulating sheet is provided with a second avoiding opening corresponding to the first avoiding opening.
In the technical scheme of the utility model, a fixed column is arranged on a back plate, the fixed column comprises a connecting part and an acting part which are connected in sequence, the diameter of the acting part is larger than that of the connecting part, a through hole is arranged on the heat radiation main body corresponding to the fixed column, a self-locking hole is arranged on a buckle corresponding to the fixed column, the self-locking hole comprises an entering part and a clamping part which are arranged and communicated in sequence along a first direction, the aperture of the clamping part is smaller than that of the entering part, the acting part of the fixed column sequentially passes through the corresponding through hole and the entering part of the self-locking hole through the buckle, the heat radiation main body, a main plate and the back plate are stacked in sequence, when the buckle reversely translates along the first direction, the connecting part of the fixed column is clamped into the clamping part of the self-locking hole, the acting part of the fixed column is clamped at the edge of the clamping part of the self-locking hole, the quick connection between the buckle and the back plate can be realized, the heat radiation main body and the main plate are clamped in the middle by the buckle and the back plate, thereby accomplish the fixed of heat dissipation main part and mainboard, this mode can promote the installation effectiveness of radiator structure by a wide margin, moreover, the utility model discloses a radiator simple structure can save spare part, reduction in production cost, and simultaneously, but the buckle stamping forming, size precision is high, and the buckling force is stable, good reliability, and the volume production nature is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is an exploded schematic view of an embodiment of a heat sink structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of the flow of the heat sink structure assembled with the motherboard according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
31 | Self- |
| 10 | |
311 | |
| 11 | |
312 | Clamping |
| 111 | Connecting |
32 | |
| 112 | Acting part | 321 | |
| 113 | Reinforcing |
33 | Locating |
| 12 | First avoiding |
34 | |
| 20 | Heat radiation |
40 | Insulating sheet |
| 21 | |
41 | Via |
| 211 | Through |
42 | Second avoiding |
| 22 | |
50 | |
| 23 | Fan with |
51 | |
| 231 | |
52 | |
| 232 | Plug with a |
53 | Socket with improved |
| 30 | Buckle tool |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a radiator structure 100.
In an embodiment of the present invention, please refer to fig. 1, a heat sink structure 100 includes: the heat dissipation device comprises a back plate 10, a heat dissipation main body 20 and a buckle 30, wherein a plurality of fixing columns 11 are arranged on the back plate 10, each fixing column 11 comprises a connecting part 111 and an acting part 112 which are sequentially connected, the acting part 112 is positioned at one end, far away from the back plate 10, of the connecting part 111, and the diameter of the acting part 112 is larger than that of the connecting part 111; a plurality of through holes 211 are formed on the heat dissipation main body 20 corresponding to the plurality of fixing posts 11; the buckle 30 is provided with a plurality of self-locking holes 31 corresponding to the plurality of fixing posts 11, each self-locking hole 31 includes an inlet portion 311 and a retaining portion 312, which are sequentially arranged and communicated along a first direction (as shown by an arrow d in fig. 1, and the following description about the direction can refer to fig. 1), and the aperture of the retaining portion 312 is smaller than that of the inlet portion 311 (as shown in fig. 2); the buckle 30, the heat dissipating body 20 and the back plate 10 are sequentially stacked, so that the acting portion 112 of the fixing post 11 sequentially passes through the corresponding through hole 211 and the entering portion 311 of the self-locking hole 31, and when the buckle 30 reversely translates along the first direction, the connecting portion 111 of the fixing post 11 is clamped into the clamping portion 312 of the self-locking hole 31, and the acting portion 112 of the fixing post 11 is clamped at the edge of the clamping portion 312 of the self-locking hole 31.
It should be noted that the external dimension of the back panel 10 is at least larger than the external dimension of the CPU51, and the projection of the fixing post 11 on the back panel 10 on the main board 50 is located at the periphery of the CPU 51; likewise, the external dimension of the heat dissipation body 20 is at least larger than the external dimension of the CPU51, and the projection of the through holes 211 on the heat dissipation body 20 on the motherboard 50 is located at the periphery of the CPU 51; the external dimension of the buckle 30 is at least larger than that of the CPU51, and the projection of the self-locking hole 31 on the main board 50 is positioned at the periphery of the CPU 51.
Specifically, as shown in fig. 1, the CPU51 may be installed in the center of the main board 50, and the main board 50 is provided with a plurality of through holes 52 corresponding to the plurality of fixing posts 11 at the outer peripheral position of the CPU 51. The number of the fixing posts 11 may be four, and the four fixing posts 11 are respectively located at four corners of the back plate 10. The entering portion 311 of the self-locking hole 31 is substantially circular hole-shaped, the retaining portion 312 of the self-locking hole 31 is substantially waist-shaped hole-shaped, the apertures of the through hole 52 of the main board 50, the through hole 211 of the heat dissipating main body 20, and the entering portion 311 of the self-locking hole 31 of the buckle 30 are all larger than the diameter of the acting portion 112 of the fixing post 11 to ensure that the acting portion 112 of the fixing post 11 passes through, and meanwhile, the aperture of the retaining portion 312 of the self-locking hole 31 is larger than the diameter of the connecting portion 111 of the fixing post 11 and smaller than the diameter of the acting portion 112 of the fixing post 11 to ensure the locking effect of the self-locking hole 31 on the fixing post 11.
The heat sink structure 100 of the present invention is a detachable assembly structure, when assembling, as shown in fig. 2, firstly, the back plate 10 is installed from the lower side of the main board 50, so that the back plate 10 is attached to the lower surface of the main board 50, then the heat dissipating main body 20 and the fastening tool 30 are installed from the upper side of the main board 50, so that the fixing post 11 on the back plate 10 passes through the corresponding through hole 52 on the main board 50, the corresponding through hole 211 on the heat dissipating main body 20 and the corresponding self-locking hole 31 on the fastening tool 30, respectively, so that the action part 112 at the upper end of the fixing post 11 penetrates out of the entering part 311 of the self-locking hole 31, so as to place the heat dissipating main body 20 and the fastening tool 30 on the upper surface of the main board 50 in sequence, then, the fastening tool 30 is pushed horizontally in the reverse direction of the first direction, so that the connection part 111 of the fixing post 11 is clamped in the clamping part 312 of the self-locking hole 31, because the diameter of the action part 112 of the fixing post 11 is larger than the diameter of the connection part 111 of the fixing post 11, therefore, the action portion 112 of the fixing post 11 is clamped on the edge of the clamping portion 312 of the self-locking hole 31, so as to realize the locking of the buckle 30 and the back plate 10, the buckle 30 and the back plate 10 clamp the heat dissipation main body 20 and the main board 50 therebetween, so that the heat dissipation main body 20 is fixed on the main board 50, and the heat dissipation main body 20 is opposite to the position of the CPU51, so that the heat dissipation main body 20 can effectively dissipate heat of the CPU51 when in operation. In addition, the buckle 30 may be formed by press molding, which can ensure high dimensional accuracy of the buckle 30 and facilitate stable engagement between the buckle 30 and the back plate 10.
Therefore, the technical scheme of the utility model, through fixed column 11 on the backplate 10 and the cooperation of the self-locking hole 31 on through-hole 211 on the heat dissipation main part 20 and the buckle 30, can realize the high-speed joint of buckle 30 and backplate 10, buckle 30 and backplate 10 will dispel the heat main part 20 and the centre gripping of mainboard 50 to accomplish the fixed of heat dissipation main part 20 and mainboard 50, this mode can promote radiator structure 100's installation effectiveness by a wide margin, moreover, the utility model discloses a radiator structure 100 is simple, can save spare part, reduction in production cost, simultaneously, but buckle 30 stamping forming, and size precision is high, and the buckling force is stable, good reliability, and the volume production nature is high.
Specifically, referring to fig. 1, at least two rows of the plurality of fixing posts 11 are distributed on the back plate 10 along the first direction.
In this embodiment, the back plate 10 is provided with four fixing posts 11 altogether, and the four fixing posts 11 are distributed at four corners of the back plate 10, that is, the back plate 10 is provided with two rows of fixing posts 11 altogether, and each row has two fixing posts 11, and the two rows of fixing posts 11 are symmetrically arranged with respect to the center line of the back plate 10, so that when the buckle 30 is installed with the back plate 10, two sides of the buckle 30 parallel to the first direction and two sides perpendicular to the first direction are fixed with the back plate 10, thereby ensuring the stable connection between the buckle 30 and the back plate 10, and further improving the stability of the connection between the heat dissipation main body 20 and the main board 50. Of course, it is easy to understand that three, four or more rows of fixing posts 11 may be disposed on the back plate 10, and each row may have three, four or more fixing posts 11, so as to enhance the connection relationship between the back plate 10 and the buckle 30, and the heat dissipating main body 20 and the main board 50.
As an embodiment, referring to fig. 1, the fixing post 11 further includes a reinforcing portion 113, the reinforcing portion 113 connects the back plate 10 and the connecting portion 111, and a diameter of the reinforcing portion 113 is larger than a diameter of the connecting portion 111.
The utility model discloses among the technical scheme, the diameter of connecting portion 111 of fixed column 11 is less than the diameter of the effect portion 112 of fixed column 11 to through with the cooperation of the card portion 312 from lockhole 31, make connecting portion 111 card of fixed column 11 go into in the card portion 312 from lockhole 31, and the effect portion 112 joint of fixed column 11 realizes backplate 10 and buckle 30's lock solid at the border of the card portion 312 from lockhole 31. It is easy to understand that if the size of each part of the fixing post 11 along the axial direction is designed to be the same size, the whole fixing post 11 is relatively slender, after the buckle 30, the heat dissipation main body 20, and the back plate 10 are assembled with the main plate 50, the acting portion 112 at the end of the fixing post 11 is subjected to the upward reverse acting force of the buckle 30, and the slender fixing post 11 is easily broken, in order to avoid such a problem, in the embodiment, the reinforcing portion 113 is formed by thickening the part of the fixing post 11 far away from the acting portion 112, so that the structural strength of the fixing post 11 can be improved as much as possible on the premise of realizing the normal locking function, thereby preventing the fixing post 11 from being disconnected from the back plate 10, and ensuring the overall stability of the heat sink structure 100.
In an embodiment of the present invention, referring to fig. 1, the buckle 30 is bent toward the back plate 10 along a portion perpendicular to a center line of the first direction, and the buckle 30 has elasticity.
In this embodiment, the buckle 30 is configured in a curved shape, the buckle 30 is curved downward along a portion perpendicular to a center line of the first direction, and the buckle 30 is tilted upward at left and right portions of the center line. At least two rows of self-locking holes 31 are also arranged on the buckle 30 corresponding to the at least two rows of fixing columns 11 on the back plate 10, and the at least two rows of self-locking holes 31 are symmetrically distributed about a center line of the buckle 30 perpendicular to the first direction. When the heat sink structure 100 is assembled, when the buckle 30 is buckled with the back plate 10, the middle portion of the buckle 30 bent toward the heat dissipation main body 20 first abuts against the heat dissipation main body 20, and at this time, pressure needs to be applied to the left and right portions of the buckle 30 located on the center line, so that the left and right portions of the buckle 30 located on the center line are attached to the surface of the heat dissipation main body 20 as much as possible, so that the action part 112 of the fixing post 11 on the back plate 10 can pass through the entering part 311 of the self-locking hole 31 on the buckle 30, and the action part 112 at the upper end of the fixed column 11 is exposed from the entering part 311 of the self-locking hole 31 of the buckle 30, then, the buckle 30 is pushed reversely along the first direction, so that the connecting portion 111 of the fixing post 11 is engaged with the engaging portion 312 of the self-locking hole 31, and the action part 112 of the fixing post 11 is clamped on the edge of the clamping part 312 of the self-locking hole 31, thereby completing the assembly of the heat sink structure 100. Then, the buckle 30 can be released, and because the buckle 30 has elasticity, the left and right side portions of the buckle 30 located on the center line are tilted back upwards, so that an upward tension is formed at the action portion 112 of the fixing column 11, and the connection between the buckle 30 and the back plate 10 is tighter. This technical scheme can realize the same effect with the spring in traditional radiator structure 100 to can save raw and other materials, reduction in production cost.
As an embodiment, referring to fig. 1, a holding member 32 is disposed at a front side of the buckle 30 along the first direction, and the holding member 32 extends away from the back plate 10; and/or, a positioning part 33 is disposed at the rear side of the buckle 30 along the first direction, and the positioning part 33 extends toward the back plate 10.
It should be noted that the terms "front side" and "rear side" refer to the front side of the side facing the center of the buckle 30 as a reference point along the first direction, and the back side is the rear side, and it is also possible to take the lock hole 31 as an example, the catching portion 312 is located at the front side of the entering portion 311, and the entering portion 311 is located at the rear side of the catching portion 312. In this embodiment, the holding member 32 is disposed on the front side of the buckle 30, and the positioning member 33 is disposed on the rear side of the buckle 30, so that a worker can hold the buckle 30 by the holding member 32 and pre-position the buckle 30 by the positioning member 33 during the process of assembling the heat sink structure 100, which facilitates the assembly of the buckle 30 and the back plate 10, and is beneficial to improving the installation efficiency of the heat sink structure 100.
Specifically, referring to fig. 3, when installing the buckle 30, firstly, the entering portion 311 of the self-locking hole 31 at the rear side of the buckle 30 is aligned with the fixing post 11 at the rear side of the back plate 10 to be sleeved, at this time, the positioning member 33 at the rear side of the buckle 30 can be used for pre-positioning, the positioning member 33 can be specifically a positioning block, the positioning member 33 extends downwards for a certain length, when the positioning member 33 contacts with the back plate 10, the positioning member 33 supports the buckle 30 to a certain height, so that the entering portion 311 of the self-locking hole 31 at the rear side of the buckle 30 is sleeved on the fixing post 11 at the rear side of the back plate 10, then, the two upward-tilted side portions of the buckle 30 can be pressed downwards by holding the holding member 32 of the buckle 30, the buckle 30 is made to be attached to the surface of the back plate 10 as much as possible, so that the entering portion 311 of the self-locking hole 31 at the front side of the buckle 30 is sleeved on the fixing post 11 at the front side of the back plate 10, and finally, the buckle 30 is pushed horizontally in the reverse direction of the first direction, the connecting portion 111 of the fixing post 11 is engaged with the engaging portion 312 of the self-locking hole 31, and at this time, the fastener 30 can be held by the holding member 32 of the fastener 30 to be pushed horizontally, the holding member 32 extends upward, and the holding groove 321 can be opened at the center of the holding member 32, which is beneficial for a worker to hold the holding member 32, and the fastener 30 can be pushed horizontally by the holding member 32, so that the physical strength of the worker can be saved, and the fastener 30 can be pushed horizontally easily.
Specifically, referring to fig. 1, the heat dissipating body 20 includes: a chassis 21, a heat sink 22 and a fan 23, a plurality of through holes 211 opened on the chassis 21; a plurality of radiating fins 22 are arranged on the chassis 21 side by side; the fan 23 is fixed to the plurality of heat sinks 22.
In this embodiment, after the back plate 10 and the buckle 30 are matched to fix the heat dissipation main body 20 and the motherboard 50, the chassis 21 in the heat dissipation main body 20 is attached to the CPU51 on the motherboard 50, heat generated by the CPU51 on the motherboard 50 is transferred to the plurality of heat dissipation fins 22 through the chassis 21, and finally, the heat of the heat dissipation fins 22 is dissipated to the air by the fan 23, so that the heat dissipation of the CPU51 on the motherboard 50 by the heat dissipation main body 20 is realized. Among them, the plurality of heat sinks 22 can increase the contact area with the air, and the fan 23 can accelerate the heat transfer around the heat sinks 22, so that the heat dissipation efficiency of the CPU51 can be improved.
Referring to fig. 1, as an embodiment, a mounting opening 34 is formed on the fastener 30, and the fastener 30 is sleeved on the periphery of the plurality of heat sinks 22 through the mounting opening 34.
In this embodiment, the fastener 30 is sleeved outside the plurality of side-by-side heat dissipation fins 22 through the mounting hole 34 at the center thereof, so that the fastener 30 can be further installed downwards, thereby making the heat sink structure 100 of the present invention more compact, and through reducing the thickness of the heat sink structure 100, it can be made the heat sink structure 100 adapt to the case of installing a computer with a smaller space.
As an embodiment, referring to fig. 1, the fan 23 is provided with a power cord 231, and an end of the power cord 231 away from the connection with the fan 23 is provided with a plug 232.
In this embodiment, the motherboard 50 is provided with a socket 53, and generally, the motherboard 50 is further provided with a power module, the power module may be a battery, and may also obtain electric energy from the outside of the host through an input line of the host, and the socket 53 is electrically connected to the power module through a circuit on the motherboard 50. In this way, when the plug 232 of the power cord 231 of the fan 23 is plugged into the socket 53 of the motherboard 50, the fan 23 can be powered on through the motherboard 50 to obtain power to enter an operating state to dissipate heat from the CPU 51.
In an embodiment of the present invention, referring to fig. 1, the heat sink structure 100 further includes: insulating piece 40, a plurality of via holes 41 have been seted up corresponding a plurality of fixed columns 11 on the insulating piece 40, and insulating piece 40 is folded and is located between heat dissipation main part 20 and backplate 10.
In this embodiment, backplate 10 adopts the metal material for example the steel material preparation, can strengthen backplate 10's structural strength, and simultaneously, in order to eliminate backplate 10's electrically conductive effect, reach the insulating purpose between backplate 10 and mainboard 50, when equipment radiator structure 100, still install insulating piece 40 (as shown in fig. 3) between heat dissipation main part 20 and mainboard 50, through the insulating piece 40 separation between heat dissipation main part 20 and mainboard 50, can avoid backplate 10 to electrically conduct mainboard 50, thereby realize insulating effect, guarantee mainboard 50's normal work. Of course, the back plate 10 can be made of an insulating material such as plastic to achieve an insulating effect, so that the arrangement of the insulating sheet 40 is omitted, the heat sink structure 100 is simplified, the assembly is convenient, and the production cost is reduced.
Specifically, referring to fig. 1, a first avoiding opening 12 is formed in the center of the back plate 10; the insulation sheet 40 is provided with a second avoiding opening 42 corresponding to the first avoiding opening 12.
Because the CPU51 protrudes from the surface of the motherboard 50 at the side of the motherboard 50 opposite to the heat dissipation body 20, in this embodiment, the size of the first position-avoiding opening 12 and the second position-avoiding opening 42 are adapted to the size of the CPU51 on the motherboard 50, and after the heat sink structure 100 is assembled, the CPU51 can be exposed through the first position-avoiding opening 12 and the second position-avoiding opening 42 at the side of the motherboard 50 opposite to the heat dissipation body 20, on one hand, the CPU51 can be prevented from being crushed by the backplane 10, the volume of the heat sink structure 100 can be reduced, and on the other hand, the contact between the CPU51 and air can be increased, thereby accelerating the heat dissipation of the CPU 51.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A heat sink structure, comprising:
the fixing column comprises a connecting part and an acting part which are sequentially connected, the acting part is positioned at one end of the connecting part, which is far away from the backboard, and the diameter of the acting part is larger than that of the connecting part;
the heat dissipation main body is provided with a plurality of through holes corresponding to the plurality of fixing columns;
the self-locking hole comprises an inlet part and a clamping part which are sequentially arranged and communicated along a first direction, and the aperture of the clamping part is smaller than that of the inlet part;
the fastener, the heat dissipation main body and the back plate are sequentially stacked, so that the action part of the fixed column sequentially penetrates through the corresponding through hole and the entering part of the self-locking hole, when the fastener reversely translates along the first direction, the connecting part of the fixed column is clamped into the clamping part of the self-locking hole, and the action part of the fixed column is clamped at the edge of the clamping part of the self-locking hole.
2. The heat sink structure as claimed in claim 1, wherein the plurality of fixing posts are distributed on the back plate in at least two rows along the first direction.
3. The heat sink structure as claimed in claim 1, wherein the fixing post further comprises a reinforcing portion connecting the back plate and the connecting portion, and a diameter of the reinforcing portion is larger than a diameter of the connecting portion.
4. The heat sink structure as claimed in claim 1, wherein the clip is bent toward the back plate along a portion perpendicular to a center line of the first direction, and the clip has elasticity.
5. The heat sink structure as claimed in claim 4, wherein a holding member is provided at a front side of the clip along the first direction, and the holding member extends away from the back plate;
and/or a positioning part is arranged on the rear side of the buckle along the first direction, and the positioning part extends towards the back plate.
6. The heat sink structure as claimed in claim 1, wherein the heat dissipating body comprises:
the through holes are formed in the base plate;
the radiating fins are arranged on the chassis side by side;
and the fan is fixed on the plurality of radiating fins.
7. The heat sink structure as claimed in claim 6, wherein the buckle has a mounting opening, and the buckle is disposed around the plurality of heat dissipating fins through the mounting opening.
8. The heat sink structure as claimed in claim 6, wherein said fan is provided with a power cord, and an end of said power cord remote from the connection with said fan is provided with a plug.
9. The heat sink structure as recited in any one of claims 1 to 8, wherein the heat sink structure further comprises:
the insulating piece, it is a plurality of to correspond on the insulating piece a plurality of via hole has been seted up to the fixed column, the insulating piece is folded and is located the heat dissipation main part with between the backplate.
10. The heat sink structure as claimed in claim 9, wherein the back plate has a first avoiding opening at the center;
and a second avoiding port is formed on the insulating sheet corresponding to the first avoiding port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039972.7U CN214670451U (en) | 2021-01-07 | 2021-01-07 | Heat sink structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039972.7U CN214670451U (en) | 2021-01-07 | 2021-01-07 | Heat sink structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214670451U true CN214670451U (en) | 2021-11-09 |
Family
ID=78514561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120039972.7U Active CN214670451U (en) | 2021-01-07 | 2021-01-07 | Heat sink structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214670451U (en) |
-
2021
- 2021-01-07 CN CN202120039972.7U patent/CN214670451U/en active Active
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