CN204721780U - A kind of riveting pin, heat spreader structures and pcb board - Google Patents
A kind of riveting pin, heat spreader structures and pcb board Download PDFInfo
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- CN204721780U CN204721780U CN201520448968.0U CN201520448968U CN204721780U CN 204721780 U CN204721780 U CN 204721780U CN 201520448968 U CN201520448968 U CN 201520448968U CN 204721780 U CN204721780 U CN 204721780U
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- lamellar body
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- radiator
- riveting pin
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Abstract
The utility model discloses a kind of riveting pin, described riveting pin comprises the first lamellar body and the second lamellar body, first end face of described second lamellar body connects described first lamellar body, the second end face relative with described first end face on described second lamellar body is provided with the first pin and the second pin, wherein, described first pin is fixed on one end of described second end face, and described second end face has the first support portion in the arranged outside of described first pin, described second pin is fixed on the other end of described second end face, and described second end face has the second support portion in the arranged outside of described second pin.The utility model also provides a kind of heat spreader structures and pcb board, and stable for radiator can be fixed on PCB mainboard by the riveting pin in described heat spreader structures and pcb board, prevents from occurring tilting in described radiator fixation procedure or the phenomenon of virtual height.
Description
Technical field
The utility model relates to pcb board field, particularly relates to a kind of riveting pin, heat spreader structures and pcb board.
Background technology
Power component operationally can produce a large amount of heats at body surface, thus needs to take cooling measure to carry out radiating and cooling, to ensure the normal work of circuit board.The method of current employing mainly increases radiator and dispels the heat on power component.Wherein, radiator is fixed on the circuit board of power component by riveted joint.Conventional riveting pin design is the riveting pin selecting radiator producer to provide substantially, and it can occur after wave-soldering crossed by circuit board that when the radiator of arranging in pairs or groups vertical radiator is floating high, the problems such as inclination.
Existing solution is generally push down radiator with tool, then maintenance personal manually smooths welding, and this scheme can cause processing cost significantly to rise, simultaneously due to manual operation, cause bump process out-of-flatness, the phenomenon of the too high bubble of copper sheet temperature around pad.In addition, also may occur that circuit board surface green oil is damaged, cause scrapping and the exposed problem occurring being oxidized in atmosphere of copper sheet.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of riveting pin, heat spreader structures and pcb board, and described riveting pin can solve the problem of virtual height that described radiator occurs in being welded and fixed or inclination.
The utility model embodiment provides a kind of riveting pin, described riveting pin comprises the first lamellar body and the second lamellar body, first end face of described second lamellar body connects described first lamellar body, the second end face relative with described first end face on described second lamellar body is provided with the first pin and the second pin, wherein, described first pin is fixed on one end of described second end face, and described second end face has the first support portion in the arranged outside of described first pin, described second pin is fixed on the other end of described second end face, and described second end face has the second support portion in the arranged outside of described second pin.
As the improvement of such scheme, described first lamellar body and described second lamellar body orthogonal.
As the improvement of such scheme, the body height of described second lamellar body is 3.3 millimeters.
As the improvement of such scheme, described first lamellar body is provided with at least one group of bayonet socket, and described one group of bayonet socket comprises two bayonet sockets, and lays respectively at the relative both sides of described first lamellar body, radiator engages with described bayonet socket, to be fixed on described radiator by described riveting pin.
As the improvement of such scheme, described bayonet socket comprises hole clipping and stuck point, and described stuck point is arranged at the outside of described hole clipping, and described radiator has installation portion, and the both sides of described installation portion are respectively arranged with a buckle, described buckle engages the stuck point of described second lamellar body both sides respectively.
As the improvement of such scheme, described stuck point is incline structure, and the free end of described stuck point and the plane at described first lamellar body place have predetermined difference in height.
As the improvement of such scheme, described predetermined difference in height is 0.7 millimeter.
The utility model also provides a kind of heat spreader structures, and comprise radiator and above-mentioned riveting pin, described radiator is fixed on the first lamellar body of described riveting pin.
The utility model also provides a kind of pcb board, comprise PCB mainboard, radiator and riveting pin described above, described PCB mainboard offers at least two perforates, two pins on second lamellar body of described riveting pin insert the perforate on described PCB mainboard respectively, and described radiator is fixed on the first lamellar body of described riveting pin.
Riveting pin, heat spreader structures and pcb board that the utility model embodiment provides, be fixed on described PCB mainboard by utilizing described first pin and the second pin, and utilize the supporting surface of described first support portion and the second support portion to be supported on described PCB mainboard, make more stable being fixed on described PCB mainboard of described riveting pin, prevent the run-off the straight when welding or fixing described radiator of described riveting pin.In addition, because described radiator and described first lamellar body are fixed by the mode engaged, ensure that described radiator and described first lamellar body are tightly fixed together, and described radiator can not occur come off or crooked phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in execution mode below, apparently, accompanying drawing in the following describes is only execution modes more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of the riveting pin that the utility model embodiment provides.
Fig. 2 is the scheme of installation of riveting pin, PCB mainboard and the radiator that the utility model embodiment provides.
Fig. 3 is the structural representation of the riveting pin that the utility model embodiment provides.
Fig. 4 is the structural representation of the radiator that the utility model embodiment provides.
Fig. 5 is the scheme of installation of the riveting pin that provides of the utility model embodiment and radiator.
Fig. 6 is the structural representation of the riveting pin that the utility model embodiment provides.
Fig. 7 is the structural representation of the riveting pin that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of riveting pin 100, for radiator 200 is fixed on PCB mainboard 300.Described riveting pin 100 comprises the first lamellar body 10 and the second lamellar body 20, wherein, described first lamellar body 10 is connected to each other with described second lamellar body 20, described radiator 200 can be fixed on described first lamellar body 10, described second lamellar body 20 can be fixed on described PCB mainboard 300, thus is fixed on described PCB mainboard 300 by described radiator 200 by described riveting pin 100.
In the utility model embodiment, described first lamellar body 10 roughly keeps orthogonal with described second lamellar body 20.Described first lamellar body 10 has at least one group of bayonet socket, and wherein, described one group of bayonet socket comprises two bayonet sockets, and these two bayonet sockets are arranged at the relative both sides of described first lamellar body 10 respectively, and roughly symmetrical.Described radiator 200 is fixed on described first lamellar body 10 by described one group of bayonet socket.
Particularly, see also Fig. 3 to Fig. 5, in the utility model embodiment, described bayonet socket comprises a hole clipping 11 and a stuck point 12, described hole clipping 11 is opened in the sidewall of described first lamellar body 10, described stuck point 12 is arranged at the outside of described bayonet socket 11, to go into a semi-enclosed snap-in structure.Described radiator 200 has installation portion 210, wherein, the both sides of described installation portion 210 all have the buckle 211 of opening with one, the opening of described buckle 211 can engage the stuck point 12 of described first lamellar body 10 both sides, to be stuck in described first lamellar body 10, so, namely achieve described radiator 200 is fixed on described first lamellar body 10.
It should be noted that, in the utility model embodiment, thickness due to described stuck point 12 may be less than the size of the opening of described buckle 211, thus the height of the plane at the free end place of described stuck point 12 can be set to the height of the plane lower than described first lamellar body 10 place.Such as, when the thickness of described first lamellar body 10 is 0.8mm, and described buckle 211 is when being of a size of 1.2mm, the difference in height of the plane at the plane at the free end place of described stuck point 12 and described first lamellar body 10 place can be set to 0.7 millimeter, here, described stuck point 12 entirety is formed as a structure tilted.So, when described first lamellar body 10 being entered in the punching press of described radiator 200 by machine punching press, because of the structural design of described stuck point 12, the difference in height making the upper surface of the free end of described stuck point 12 and described first lamellar body 10 is 1.5mm, be greater than the size of the opening of described buckle 211, thus prevent described radiator 200 from coming off from described stuck point 12.
See also Fig. 6, it should be noted that, in the utility model embodiment, the group number of the bayonet socket on described first lamellar body 10 can be 2 groups, 3 groups or other quantity, namely the both sides of described first lamellar body 10 can design the number of bayonet socket according to the actual needs, in addition, the size of described first lamellar body 10 can design according to the structure of described radiator 200 and size, and the utility model is not specifically limited.
See also Fig. 7, in the utility model embodiment, described second lamellar body 20 comprises the first end face 21 and the second end face 22, wherein, described first end face 21 is fixed on described second lamellar body 10, and makes described second lamellar body 20 perpendicular to described first lamellar body 10.Described second end face 22 is provided with two pins, i.e. the first pin 23 and the second pin 24.Wherein, described first pin 23 is positioned at one end of described second end face 22, and described second pin 24 is positioned at the other end of described second end face 22, and preferably, described first pin 23 and described second pin 24 keeping parallelism, and be positioned at same plane with described second lamellar body 20.
In the utility model embodiment, the first support portion 25 and the second support portion 26 is also respectively arranged with at the two ends of described second end face 22, wherein, described first support portion 25 is positioned at the one end at described first pin 23 place, and described second support portion 26 is positioned at the other end at described second pin 24 place.Described first support portion 25 and the described second support portion 26 class shape of ears roughly in an arc, and there is supporting surface, described supporting surface and described second end face 22 are positioned at same plane.
In the utility model embodiment, described PCB mainboard 300 can be provided with at least two perforate (not shown), described first pin 23 and described second pin 24 can be inserted on described PCB mainboard 300 in perforate respectively, so that described second lamellar body 20 is fixed on described PCB mainboard 300, now, the supporting surface of described first support portion 25 and described second support portion 26 and the surface of described PCB mainboard 300 come in contact, and play the effect of support.When described first pin 23 and the second pin 24 are soldered on described PCB mainboard 300 by the mode of welding, due to the cause having two pins and described supporting surface to support, more stable being fixed on described PCB mainboard 300 of described second lamellar body 20 will be made, and then described radiator 200 also can keep good stability.
It should be noted that, in the utility model embodiment, the height of the main body of described second lamellar body 20 can be roughly 3.3 millimeters, namely when described second lamellar body 20 is fixed on described PCB mainboard 300, described first lamellar body 10 is roughly 3.3 millimeters from the height of described PCB mainboard 300, correspondingly, described radiator 200 is also roughly 3.3 millimeters from the height of described PCB mainboard 300, so, can realize the PCB mainboard 300 below described radiator 200 being placed various required surface-mounted device or cabling etc., improve the usable floor area of described PCB mainboard 300, and add air channel on PCB mainboard 300 surface simultaneously, radiating effect is better.Be understandable that, the height of described second lamellar body 20 can design according to the actual needs, and such as, can be 3 millimeters, 4 millimeters etc., as long as can meet above-mentioned cabling or radiating requirements, the utility model is not specifically limited.
It should be noted that, in the utility model embodiment, the height of described first pin 23 and the second pin 24 can be roughly 3.5 millimeters.Be understandable that, in other embodiments of the utility model, the thickness of described pin can design according to the thickness of described PCB mainboard 300, and the utility model is not specifically limited.
It should be noted that, in the utility model embodiment, also more pin can be set on described second end face 22, as can as described in the first pin 23 and as described in the 3rd pin (not shown) is set, to realize better fixed effect between the second pin 24.These designs are also within protection range of the present utility model.
In sum, the riveting pin 100 that the utility model embodiment provides, be fixed on described PCB mainboard 300 by utilizing described first pin 23 and the second pin 24, and utilize the supporting surface of described first support portion 25 and the second support portion 26 to be supported on described PCB mainboard 300, make more stable being fixed on described PCB mainboard 300 of described riveting pin 100, prevent the run-off the straight when welding or fixing described radiator 200 of described riveting pin 100.In addition, because described radiator 200 and described first lamellar body 10 are fixed by mode engage, ensure that described radiator 200 and described first lamellar body 10 are tightly fixed together, and described radiator 200 can not occur come off or crooked phenomenon.
The utility model also provides a kind of heat spreader structures, described heat spreader structures comprises radiator 200 and the riveting pin 100 described in above-mentioned any embodiment, described radiator 200 is fixed on the first lamellar body 10 of described riveting pin 100, and the second lamellar body of described riveting pin 100 is fixed on described PCB mainboard 300.
The heat spreader structures that the utility model embodiment provides, be fixed on described PCB mainboard 300 by the first pin 23 and the second pin 24 that utilize described riveting pin 100, and utilize the supporting surface of two support portions to support, make more stable being fixed on described PCB mainboard 300 of described riveting pin 100, prevent the run-off the straight of described riveting pin 100.In addition, because described radiator 200 and described first lamellar body 10 are fixed by mode engage, ensure that described radiator 200 and described first lamellar body 10 are tightly fixed together, and described radiator 200 can not occur come off or crooked phenomenon.
The utility model embodiment also provides a kind of pcb board, described pcb board comprises PCB mainboard 300, radiator 200 and the riveting pin 100 described in above-mentioned any embodiment, described PCB mainboard 300 offers at least two perforates, two pins of described riveting pin 100 insert the perforate of on described PCB mainboard 300, and described radiator 200 is fixed on the first lamellar body 10 of described riveting pin 100.
The pcb board that the utility model embodiment provides, be fixed on described PCB mainboard 300 by the first pin 23 and the second pin 24 that utilize described riveting pin 100, and utilize the supporting surface of two support portions to support, make more stable being fixed on described PCB mainboard 300 of described riveting pin 100, prevent the run-off the straight of described riveting pin 100.In addition, because described radiator 200 and described first lamellar body 10 are fixed by mode engage, ensure that described radiator 200 and described first lamellar body 10 are tightly fixed together, and described radiator 200 can not occur come off or crooked phenomenon.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly the interest field of the utility model can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the utility model claim is done, still belong to the scope that utility model contains.
Claims (9)
1. a riveting pin, it is characterized in that, described riveting pin comprises the first lamellar body and the second lamellar body, first end face of described second lamellar body connects described first lamellar body, the second end face relative with described first end face on described second lamellar body is provided with the first pin and the second pin, wherein, described first pin is fixed on one end of described second end face, and described second end face has the first support portion in the arranged outside of described first pin, described second pin is fixed on the other end of described second end face, and described second end face has the second support portion in the arranged outside of described second pin.
2. riveting pin according to claim 1, is characterized in that, described first lamellar body and described second lamellar body orthogonal.
3. riveting pin according to claim 1, is characterized in that, the body height of described second lamellar body is 3.3 millimeters.
4. riveting pin according to claim 1, it is characterized in that, described first lamellar body is provided with at least one group of bayonet socket, described one group of bayonet socket comprises two bayonet sockets, and lay respectively at the relative both sides of described first lamellar body, radiator engages with described bayonet socket, to be fixed on described radiator by described riveting pin.
5. riveting pin according to claim 4, it is characterized in that, described bayonet socket comprises hole clipping and stuck point, described stuck point is arranged at the outside of described hole clipping, described radiator has installation portion, and the both sides of described installation portion are respectively arranged with a buckle, described buckle engages the stuck point of described second lamellar body both sides respectively.
6. riveting pin according to claim 5, is characterized in that, described stuck point is incline structure, and the free end of described stuck point and the plane at described first lamellar body place have predetermined difference in height.
7. riveting pin according to claim 6, is characterized in that, described predetermined difference in height is 0.7 millimeter.
8. a heat spreader structures, is characterized in that, comprise radiator and the riveting pin as described in claim 1 to 7 any one, described radiator is fixed on the first lamellar body of described riveting pin.
9. a pcb board, it is characterized in that, comprise PCB mainboard, radiator and the riveting pin as described in claim 1 to 7 any one, described PCB mainboard offers at least two perforates, two pins on second lamellar body of described riveting pin insert the perforate on described PCB mainboard respectively, and described radiator is fixed on the first lamellar body of described riveting pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448968.0U CN204721780U (en) | 2015-06-25 | 2015-06-25 | A kind of riveting pin, heat spreader structures and pcb board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448968.0U CN204721780U (en) | 2015-06-25 | 2015-06-25 | A kind of riveting pin, heat spreader structures and pcb board |
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| CN204721780U true CN204721780U (en) | 2015-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673103A (en) * | 2017-10-13 | 2019-04-23 | 和硕联合科技股份有限公司 | The fixing means of fixation device and circuit board and fixation on circuit board |
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2015
- 2015-06-25 CN CN201520448968.0U patent/CN204721780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673103A (en) * | 2017-10-13 | 2019-04-23 | 和硕联合科技股份有限公司 | The fixing means of fixation device and circuit board and fixation on circuit board |
| TWI661755B (en) * | 2017-10-13 | 2019-06-01 | 和碩聯合科技股份有限公司 | Mounting device on a circuit board and method for mounting an object on a circuit board |
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| GR01 | Patent grant |