CN212436093U - Circuit board that shock resistance is good - Google Patents
Circuit board that shock resistance is good Download PDFInfo
- Publication number
- CN212436093U CN212436093U CN202021406966.2U CN202021406966U CN212436093U CN 212436093 U CN212436093 U CN 212436093U CN 202021406966 U CN202021406966 U CN 202021406966U CN 212436093 U CN212436093 U CN 212436093U
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- CN
- China
- Prior art keywords
- wall
- circuit board
- spring
- protective housing
- shock resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000035939 shock Effects 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 21
- 238000013016 damping Methods 0.000 description 17
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model provides a circuit board that shock resistance is good belongs to circuit board technical field, and this circuit board that shock resistance is good includes the protective housing, the protective housing inner wall is provided with the circuit board, and protective housing top outer wall four corners position is provided with four spacing grooves respectively, and four spacing groove bottom outer walls are provided with four gag lever posts respectively, and four gag lever post bottom outer walls are provided with the bottom plate, and bottom plate top outer wall is provided with four telescopic links respectively, and four telescopic link top outer walls set up respectively on the top outer wall of protective housing; the utility model discloses a set up telescopic link and second spring, the telescopic link can play the effect of fixed protective housing position, and when the circuit board received vibrations, the second spring can play the cushioning effect, and when the telescopic link was stretched to the maximum distance, the protective housing will no longer rise, and when the telescopic link was compressed to minimum length, the protective housing will no longer descend, avoids the second spring to produce too big tensile elasticity that leads to and descends, influences the shock attenuation effect of circuit board.
Description
Technical Field
The utility model belongs to the technical field of the circuit board, concretely relates to circuit board that shock resistance is good.
Background
The circuit board is also called as a circuit board, can make the circuit miniaturisation, it is direct-viewing, play an important role in batch production and optimization of fixed circuit with electrical apparatus overall arrangement, the circuit board can also be called as printed wiring board or printed circuit board, english is called FPC circuit board for short, have that wiring density is high, light in weight, thickness is thin, the characteristics that the bending property is good, but because the use of circuit board is extensive, make the circuit board need have the ability of coping with current service environment, for example insulating, shock attenuation or waterproof etc., can have serious influence to current equipment after the circuit board receives the damage, cause people's resource loss, current circuit board mostly is simple and easy structure, it is relatively poor to the effect in the aspect of shock attenuation and heat dissipation, influence the work efficiency.
Through retrieval discovery, a circuit board with good shock resistance is disclosed in the Chinese patent with the publication number of CN207560577U, and comprises a circuit board, a mounting plate, a damping spring, a slide rail and a radiating fin, wherein the damping spring is mounted at the bottom of the circuit board through a bolt, the mounting plate is mounted at the bottom of the damping spring, the slide rail is arranged on two sides of the mounting plate, and a slide block is arranged on one side of the slide rail.
But above-mentioned technical scheme is owing to only increase the spring and carry out the shock attenuation and set up stop device in circuit board bottom, consequently still has the shock attenuation effect unsatisfactory, and the circuit board can shake along with the vibrations of spring always, can't in time stop the problem that unnecessary rocked.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board that shock resistance is good, it is unsatisfactory to aim at the shock attenuation effect of solving among the prior art, and the circuit board can shake along with the vibrations of spring always, can't in time stop the problem that unnecessary rocked.
In order to achieve the above object, the utility model provides a following technical scheme: the protective housing, the protective housing inner wall is provided with the circuit board, protective housing top outer wall four corners position is provided with four spacing grooves respectively, four spacing groove bottom outer walls are provided with four gag lever posts respectively, four gag lever post bottom outer walls are provided with the bottom plate, bottom plate top outer wall is provided with four telescopic links respectively, four telescopic link top outer walls set up respectively on the top outer wall of protective housing, four second springs have been cup jointed respectively to four telescopic link outer walls, the top outer wall of second spring sets up on the bottom outer wall of protective housing, the bottom outer wall of second spring sets up on the top outer wall of bottom plate.
In order to avoid spare part on the circuit board because too much rock the phenomenon that drops and take place, as the utility model relates to an it is preferred, spacing groove top inner wall is provided with the crash pad, and spacing groove bottom inner wall is provided with the rubber pad, and spacing groove bottom inner wall and rubber pad have all opened the rectangle and have led to the groove, and the size that the rectangle led to the groove is unanimous with the gag lever post size, and the gag lever post passes through the rectangle and leads to the groove and run through the spacing groove, and gag lever post top outer wall is provided with the stopper, and the.
In order to avoid circuit board edge atress too much and impaired, as the utility model relates to an it is preferred, protective housing bottom outer wall is provided with four second fixed blocks respectively, second fixed block inner wall swing joint has the head rod, head rod inner wall swing joint has the second connecting rod, second connecting rod outer wall swing joint has first fixed block, first fixed block bottom outer wall sets up on the top outer wall of bottom plate, the connection position of head rod and second connecting rod is provided with the ejector pin, ejector pin one side outer wall is provided with first spring, the both sides outer wall of first spring sets up respectively on the outer wall of two ejector pins, be seventy to eighty degree contained angle between head rod and the second connecting rod.
In order to avoid the ejector pin to take place too much violent collision with the gag lever post, conduct the utility model relates to an it is preferred, gag lever post one side outer wall is provided with the third spring, and third spring outer wall is provided with the baffle.
In order to avoid gathering too much heat inside the protective housing, as the utility model discloses a preferred, protective housing bottom outer wall is provided with the louvre that is array distribution respectively.
In order to improve the antistatic performance of circuit board, as the utility model relates to an it is preferred, bottom plate bottom outer wall is provided with one deck insulating rubber.
In order to play fine protection effect to the circuit board, as the utility model relates to an it is preferred, the material of protective housing is the aluminium metal.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up telescopic link and second spring, the telescopic link can play the effect of fixed protective housing position, and when the circuit board received vibrations, the second spring can play the cushioning effect, and when the telescopic link was stretched to the maximum distance, the protective housing will no longer rise, and when the telescopic link was compressed to minimum length, the protective housing will no longer descend, avoids the second spring to produce too big tensile elasticity decline that leads to, influences the shock attenuation effect of circuit board.
2. Through setting up the spacing groove, the crash pad, the stopper, rubber pad and gag lever post, can let rocking that damping spring produced when carrying out the shock attenuation to the circuit board keep in certain within range, thereby can not let the circuit board produce too big rocking and produce the collision with other spare part and cause the damage because damping spring, crash pad and rubber pad can play fine cushioning effect simultaneously, can let rocking that damping spring produced disappear more fast, avoid the spare part on the circuit board to take place because too much rocking the phenomenon that leads to droing.
3. By arranging the first spring, the ejector rods, the first connecting rod and the second connecting rod, when the edge position of the circuit board is extruded, the included angle between the first connecting rod and the second connecting rod is reduced, the ejector rods are driven to transversely move, and the first spring is stretched under the movement of the two ejector rods, so that the pressure applied to the edge of the circuit board is offset, and the edge of the circuit board is prevented from being damaged due to excessive stress; through setting up third spring and baffle, the baffle can play certain effect that supports head rod and second connecting rod, and the third spring can play the effect of buffering, avoids ejector pin and gag lever post to take place violent collision when the circuit board receives the extrusion to reduce the life of head rod and second connecting rod, influence the holistic damping performance of damping device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of a structure of a limiting groove of the present invention;
in the figure: 1-protective shell; 2-a circuit board; 3-a limiting rod; 4-a first fixed block; 5-a bottom plate; 6-a first spring; 7-a limiting groove; 8-heat dissipation holes; 9-a second fixed block; 10-a first connecting rod; 11-a top rod; 12-a second connecting rod; 13-a telescopic rod; 15-a second spring; 16-a third spring; 17-a baffle; 18-rubber pad; 19-a limiting block; 20-crash cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: including protective housing 1, 1 inner wall of protective housing is provided with circuit board 2, 1 top outer wall four corners position of protective housing is provided with four spacing grooves 7 respectively, 7 bottom outer walls in four spacing grooves are provided with four gag lever posts 3 respectively, 3 bottom outer walls in four gag lever posts are provided with bottom plate 5, 5 top outer walls in bottom plate are provided with four telescopic link 13 respectively, 13 top outer walls in four telescopic link set up respectively on 1's of protective housing top outer wall, four second springs 15 have been cup jointed respectively to four telescopic link 13 outer walls, the top outer wall of second spring 15 sets up on 1's of protective housing bottom outer wall, the bottom outer wall of second spring 15 sets up on 5's of bottom plate top outer.
The utility model discloses an in the concrete embodiment, at first fix circuit board 2 in protective housing 1, through setting up telescopic link 13 and second spring 15, telescopic link 13 can play the effect of fixed protective housing 1 position, when circuit board 2 receives vibrations, second spring 15 can play certain cushioning effect, telescopic link 13 has played certain limiting displacement simultaneously, when telescopic link 13 is stretched to the maximum distance, protective housing 1 will no longer rise, when telescopic link 13 is compressed to minimum length, protective housing 1 will no longer descend, thereby reduce circuit board 2 and receive unnecessary the rocking, improve the holistic stability of 2 damping device of circuit board.
Specifically, 7 top inner walls of spacing groove are provided with crashproof pad 20, and 7 bottom inner walls of spacing groove are provided with rubber pad 18, and 7 bottom inner walls of spacing groove and rubber pad 18 all open the rectangle and lead to the groove, and the size that the rectangle led to the groove is unanimous with gag lever post 3 size, and gag lever post 3 leads to the groove through the rectangle and runs through spacing groove 7, and 3 top outer walls of gag lever post are provided with stopper 19, and stopper 19's size is greater than the size that the rectangle led to the groove.
In this embodiment: through setting up spacing groove 7, crash pad 20, stopper 19, rubber pad 18 and gag lever post 3, can let rocking that damping spring produced when carrying out the shock attenuation to circuit board 2 keep at certain within range, thereby can not let circuit board 2 produce too big rocking and produce the collision with other spare part and cause the damage because of damping spring, crash pad 20 and rubber pad 18 can play fine cushioning effect simultaneously, can let rocking that damping spring produced disappear more fast, avoid the spare part on the circuit board 2 because the phenomenon that too much rocks the drop takes place.
Specifically, 1 bottom outer wall of protective housing is provided with four second fixed blocks 9 respectively, 9 inner wall swing joint of second fixed block has head rod 10, head rod 10 inner wall swing joint has second connecting rod 12, 12 outer wall swing joint of second connecting rod has first fixed block 4, 4 bottom outer walls of first fixed block set up on the top outer wall of bottom plate 5, the connection position of head rod 10 and second connecting rod 12 is provided with ejector pin 11, 11 one side outer walls of ejector pin are provided with first spring 6, the both sides outer wall of first spring 6 sets up respectively on the outer wall of two ejector pins 11, be seventy to eighty degree contained angle between head rod 10 and the second connecting rod 12.
In this embodiment: through setting up first spring 6, ejector pin 11, head rod 10 and second connecting rod 12, when the border position of circuit board 2 received the extrusion, the contained angle between head rod 10 and the second connecting rod 12 can diminish, can drive ejector pin 11 lateral shifting simultaneously, and first spring 6 can be stretched under the removal of two ejector pins 11 this moment to offset the pressure that 2 edges of circuit board received, avoid 2 edges of circuit board atress too much and impaired.
Specifically, the outer wall of one side of the limiting rod 3 is provided with a third spring 16, and the outer wall of the third spring 16 is provided with a baffle 17.
In this embodiment: through setting up third spring 16 and baffle 17, contained angle between head rod 10 and the second connecting rod 12 diminishes gradually, ejector pin 11 can be transverse motion always, when ejector pin 11 moves the outer wall of baffle 17, baffle 17 receives ejector pin 11's thrust can extrude third spring 16, when third spring 16 is extruded minimum length, ejector pin 11 can't continue to move again, the edge of circuit board 2 can't push down this moment, let limiting plate 3 and baffle 17 play spacing and supported effect, third spring 16 can play certain cushioning effect, avoid ejector pin 11 and limiting rod 3 to take place too much violent collision, thereby reduce the life of head rod 10 and second connecting rod 12, influence the holistic damping performance of damping device.
Specifically, the outer wall of the bottom of the protective shell 1 is provided with heat dissipation holes 8 distributed in an array manner.
In this embodiment: the heat dissipation hole 8 can be used for effectively discharging the heat dissipated from the bottom of the circuit board 2, and the phenomenon that the circuit board 2 cannot normally work due to the excessive heat accumulated inside the protective shell 1 is avoided.
Specifically, a layer of insulating rubber is arranged on the outer wall of the bottom plate 5.
In this embodiment: the insulating rubber can improve the friction force of the bottom plate 5 and improve the antistatic performance of the circuit board 2.
Specifically, the protective shell 1 is made of aluminum metal.
In this embodiment: the aluminum metal has good heat conductivity and metal rigidity, can achieve a good protection effect on the circuit board 2, and meanwhile enables the circuit board 2 to dissipate heat better.
The utility model discloses a theory of operation and use flow: firstly, the circuit board 2 is fixed in the protective shell 1, the telescopic rod 13 can play a role of fixing the position of the protective shell 1 by arranging the telescopic rod 13 and the second spring 15, when the circuit board 2 is vibrated, the second spring 15 can play a certain role of shock absorption, meanwhile, the telescopic rod 13 plays a certain role of limiting, when the telescopic rod 13 is stretched to the maximum distance, the protective shell 1 can not rise any more, when the telescopic rod 13 is compressed to the minimum length, the protective shell 1 can not fall any more, thereby reducing the redundant shaking of the circuit board 2, improving the overall stability of the shock absorption device of the circuit board 2, and by arranging the limiting groove 7, the anti-collision pad 20, the limiting block 19, the rubber pad 18 and the limiting rod 3, the shaking generated when the circuit board 2 is damped by the shock absorption spring can be kept in a certain range, and the circuit board 2 can not be damaged due to the collision with other parts caused by the overlarge shaking generated by the, meanwhile, the anti-collision pad 20 and the rubber pad 18 can play a good buffering role, so that the shaking generated by the damping spring can disappear more quickly, the phenomenon that parts on the circuit board 2 fall off due to too much shaking is avoided, by arranging the first spring 6, the ejector rods 11, the first connecting rod 10 and the second connecting rod 12, when the edge position of the circuit board 2 is extruded, the included angle between the first connecting rod 10 and the second connecting rod 12 is reduced, and the ejector rods 11 are driven to move transversely, at the same time, the first spring 6 is stretched under the movement of the two ejector rods 11, so that the pressure applied to the edge of the circuit board 2 is counteracted, the damage caused by too much stress on the edge of the circuit board 2 is avoided, by arranging the third spring 16 and the baffle 17, when the included angle between the first connecting rod 10 and the second connecting rod 12 is gradually reduced, the ejector rods 11 can always move transversely, and when the ejector rods 11 move to the outer wall, baffle 17 receives ejector pin 11's thrust can extrude third spring 16, when third spring 16 is extruded minimum length, ejector pin 11 can't continue to remove again, circuit board 2's the edge can't push down again this moment, let limiting plate 3 and baffle 17 play spacing and supported effect, third spring 16 can play certain cushioning effect, avoid ejector pin 11 and gag lever post 3 to take place too much violent collision, thereby reduce the life of head rod 10 and second connecting rod 12, influence the holistic damping performance of damping device, louvre 8 can effectually be discharged the heat that gives off circuit board 2 bottom, avoid the phenomenon of the inside too much heat of gathering of protective housing 1 to lead to the unable normal work of circuit board 2 to take place.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a circuit board that shock resistance is good which characterized in that: including protective housing (1), protective housing (1) inner wall is provided with circuit board (2), protective housing (1) top outer wall four corners position is provided with four spacing grooves (7) respectively, four spacing grooves (7) bottom outer wall are provided with four gag lever posts (3) respectively, four gag lever posts (3) bottom outer wall are provided with bottom plate (5), bottom plate (5) top outer wall is provided with four telescopic link (13) respectively, four telescopic link (13) top outer walls set up respectively on the top outer wall of protective housing (1), four telescopic link (13) outer walls have cup jointed four second spring (15) respectively, the top outer wall of second spring (15) sets up on the bottom outer wall of protective housing (1), the bottom outer wall of second spring (15) sets up on the top outer wall of bottom plate (5).
2. The circuit board with good shock resistance according to claim 1, characterized in that: spacing groove (7) top inner wall is provided with crashproof pad (20), and spacing groove (7) bottom inner wall is provided with rubber pad (18), and spacing groove (7) bottom inner wall and rubber pad (18) have all been opened the rectangle and have been led to the groove, and the size that the rectangle led to the groove is unanimous with gag lever post (3) size, and gag lever post (3) lead to the groove through the rectangle and run through spacing groove (7), and gag lever post (3) top outer wall is provided with stopper (19), and the size of stopper (19) is greater than the size that the rectangle led to the groove.
3. The circuit board with good shock resistance of claim 2, wherein: the outer wall of protective housing (1) bottom is provided with four second fixed blocks (9) respectively, second fixed block (9) inner wall swing joint has head rod (10), head rod (10) inner wall swing joint has second connecting rod (12), second connecting rod (12) outer wall swing joint has first fixed block (4), first fixed block (4) bottom outer wall sets up on the top outer wall of bottom plate (5), the connection position of head rod (10) and second connecting rod (12) is provided with ejector pin (11), ejector pin (11) one side outer wall is provided with first spring (6), the both sides outer wall of first spring (6) sets up respectively on the outer wall of two ejector pins (11), be seventy to eighty degree contained angle between head rod (10) and second connecting rod (12).
4. The circuit board with good shock resistance of claim 3, wherein: and a third spring (16) is arranged on the outer wall of one side of the limiting rod (3), and a baffle (17) is arranged on the outer wall of the third spring (16).
5. The circuit board with good shock resistance of claim 4, wherein: the outer wall of the bottom of the protective shell (1) is provided with radiating holes (8) distributed in an array manner.
6. The circuit board with good shock resistance of claim 5, wherein: and a layer of insulating rubber is arranged on the outer wall of the bottom plate (5).
7. The circuit board with good shock resistance of claim 6, wherein: the protective shell (1) is made of aluminum metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021406966.2U CN212436093U (en) | 2020-07-16 | 2020-07-16 | Circuit board that shock resistance is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021406966.2U CN212436093U (en) | 2020-07-16 | 2020-07-16 | Circuit board that shock resistance is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212436093U true CN212436093U (en) | 2021-01-29 |
Family
ID=74279070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021406966.2U Expired - Fee Related CN212436093U (en) | 2020-07-16 | 2020-07-16 | Circuit board that shock resistance is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212436093U (en) |
-
2020
- 2020-07-16 CN CN202021406966.2U patent/CN212436093U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |