CN109874258B - Waterproof anticollision structure of automotive wiring board internally mounted - Google Patents
Waterproof anticollision structure of automotive wiring board internally mounted Download PDFInfo
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- CN109874258B CN109874258B CN201910292674.6A CN201910292674A CN109874258B CN 109874258 B CN109874258 B CN 109874258B CN 201910292674 A CN201910292674 A CN 201910292674A CN 109874258 B CN109874258 B CN 109874258B
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Abstract
The invention discloses a waterproof and anti-collision structure installed in an automobile circuit board, which comprises an outer layer upper cover, an outer layer upper cover sealing ring, an inner layer upper cover, an inner circuit board, a rubber anti-collision cushion ring, an inner layer shell, an outer layer shell, a fixing lug, an outer layer lower cover sealing ring and an inner layer upper cover sealing ring, wherein jolts are generated in the driving process of an automobile, the jolts transmitted to the automobile circuit board are greatly reduced by springs at the inner sides of the inner layer shell and the outer layer shell, so that the jolts generated in the driving process of the automobile is improved, the anti-collision capacity of the circuit board is improved, the anti-collision performance of the anti-collision structure is further improved by the rubber anti-collision cushion ring in the inner layer shell, a double-layer wrapping structure is adopted at a connecting part, a boss is upwards and downwards grooved, so, the water stain on the outer side can not enter the inner shell, so that the circuit board is prevented from water entering, and the waterproof capability of the invention is greatly improved.
Description
Technical Field
The invention relates to the field of circuit boards in automobiles, in particular to a waterproof and anti-collision structure installed in an automobile circuit board.
Background
The circuit board of car belongs to the important component of car, and the damage of circuit board can lead to most function loss of car, threatens car driver's life even, and the circuit board of current car mainly adopts and directly locates the automobile body inside, and its waterproof and crashproof ability seriously lacks, and this leads to, current car under the rainy day condition or in the in-process of water route, leads to the damage of car because the circuit board of car intakes, or in the car is walked on the road surface of pothole, leads to the damage of car because the circuit board collision damage of car, therefore the emergence of the waterproof crashproof structure of a car circuit board internally mounted is compelled to be in the forefront.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a waterproof and anti-collision structure mounted inside an automobile circuit board.
The purpose of the invention can be realized by the following technical scheme:
a waterproof and anti-collision structure installed inside an automobile circuit board comprises an outer layer upper cover, an outer layer upper cover sealing ring, an inner layer upper cover, an inner circuit board, a rubber anti-collision gasket ring, an inner layer shell, an outer layer shell, fixing lugs, an outer layer lower cover sealing ring and an inner layer upper cover sealing ring, wherein the fixing lugs are oppositely fixed on two sides of the outer layer shell respectively, the outer layer lower cover is arranged at the lower end of the outer layer shell, the outer layer lower cover sealing ring is arranged at the joint of the outer layer lower cover and the lower end of the outer layer shell, the rubber anti-collision gasket ring is arranged on the inner layer wall of the inner layer shell, the inner circuit board is arranged inside the inner layer shell, the inner circuit board is in close contact with the rubber anti-collision gasket ring, the lower end of the inner circuit board is connected with a supporting buffer rod, the lower end of the supporting buffer, the utility model discloses a sealed electric wire, including inlayer casing, inlayer upper cover and inlayer casing, inlayer casing upper end face junction is equipped with inlayer upper cover sealing washer, inlayer casing is located inside the outer casing, outer upper cover is located on the outer casing up end, outer upper cover is equipped with outer upper cover sealing washer with outer casing up end junction, inner circuit board lower extreme is connected with the electric wire, the electric wire pierces through terminal surface under the inlayer casing to by covering under the skin and wear out, terminal surface junction scribbles sealed glue under electric wire and the inlayer casing.
Furthermore, the outer layer upper cover is a flat rectangle, convex male buckles are arranged at four corners of the rectangle, a groove is formed in the lower end face of the outer layer upper cover along the edge of the rectangle, an upper cover buffer spring is fixed on the lower end face of the outer layer upper cover, and the lower end of the upper cover buffer spring is connected with the inner layer upper cover.
Furthermore, the inner layer upper cover is a flat rectangle, convex male buckles are arranged at four corners and four sides of the rectangle, a groove is arranged on the lower end surface of the inner layer upper cover along the edge of the rectangle, and a buffering support device is arranged on the lower end surface of the inner layer upper cover;
the buffer supporting device comprises a buffer spring and a supporting rod, and an insulating rubber pad is arranged at the lower end of the supporting rod.
Furthermore, the rubber anti-collision backing ring is a rectangular ring and is embedded on the inner side wall of the inner shell.
Furthermore, the inner shell is a hollow cuboid without a top, and structurally comprises a sealing boss, a compression spring, an inner shell female buckle and an inner shell inner side groove, wherein the sealing boss is arranged on the upper end surface of the inner shell, the compression spring is arranged on the lower end surface of the inner shell, the inner shell female buckle is arranged on the outer side of the inner shell, and the inner shell inner side groove is arranged on the inner side wall of the inner shell;
the inner shell female buckle is matched with the male buckle protruding outwards from the inner layer upper cover, the sealing boss is matched with the groove in the lower end face of the inner layer upper cover, and the inner layer upper cover sealing ring is arranged at the contact position of the sealing boss and the groove in the lower end face of the inner layer upper cover.
Furthermore, the outer shell is a hollow cuboid without a top and a bottom, the lower end of the inner side wall of the outer shell is inclined inwards by a certain angle, namely the inner side wall of the outer shell is in a funnel shape, the structure of the outer shell comprises an outer shell female buckle strip, a shell groove, a waterproof baffle, air holes, a damping spring and a shell sealing boss, the shell sealing boss is arranged on the upper end surface of the shell, the air holes are uniformly arranged on the side surface of the shell close to the top end, the waterproof baffle is arranged at the upper end position of the side surface of the shell and is positioned at the upper end of the air holes, the shell groove is arranged on the lower end surface of the shell, the four corners of the shell are all provided with the outer shell female buckle strip, two ends of the outer shell female buckle strip are female buckles, one end of the damping spring is arranged;
the female button of shell body female button strip one end pairs with the pin thread of the evagination that outer upper cover four corners was equipped with, the sealed boss of shell cooperatees with terminal surface recess under the outer upper cover, the sealed boss of shell and the contact department of terminal surface recess under the outer upper cover are located to outer upper cover sealing washer.
Further, outer lower cover up end is equipped with sealed boss, sealed boss pairs with shell recess, sealed boss and shell recess contact position are located to outer lower cover sealing washer, outer lower cover is flat rectangle, is equipped with the pin thread of evagination on the four corners of its rectangle, the pin thread of evagination and the box of shell body box strip other end pair under the outer lower cover, be equipped with the net that leaks on the outer lower cover, be equipped with compression spring on the outer lower cover, the compression spring other end is connected with inner shell body outside lower extreme terminal surface.
Further, support the buffer beam and include support fixed rod, under bracing set casing and support buffer spring, it passes through the screw fixation to go up support fixed rod and is in inside circuit board lower extreme, the under bracing set casing is fixed in on the inboard bottom surface of inlayer casing, support buffer spring up end and last support fixed rod down end connection, support on buffer spring down end and the inboard bottom surface of under bracing set casing.
Further, the working principle of the waterproof and anti-collision structure is as follows:
s1 collision avoidance: the automobile bumper structure comprises an outer shell, an inner shell, a supporting buffer rod, an upper cover buffer spring, a damping spring, a rubber anti-collision cushion ring, an anti-collision cushion ring, a rubber anti-collision cushion ring and a rubber anti-collision cushion ring, wherein the inner side of the outer shell is provided with the compression spring, the upper cover buffer spring and the damping spring which are stretched out and drawn back;
s2 waterproof: bilayer structure, the junction adopts boss recess cooperation structure, the boss makes progress the recess downwards, avoid water to get into in the casing by the junction, each junction all adopts the sealing washer simultaneously, outside water stain can't get into in the inlayer casing, thereby avoid the circuit board to intake, as outermost outer casing easy water intake, it can be through down-flow on the wall of the inboard slope of outer casing to make water through the bleeder vent on the outer casing lateral wall, later discharge in the net that leaks from outer lower cover, waterproof baffle on the bleeder vent avoids water to get into from the bleeder vent.
The invention has the beneficial effects that:
1) in the aspect of collision prevention, the double-layer spring buffer structure is adopted, the compression spring, the upper cover buffer spring and the damping spring are arranged on the inner side of the outer layer shell, so that the bumping generated in the driving process of an automobile is greatly reduced, the supporting buffer spring in the supporting buffer rod of the inner layer shell and the buffer spring in the buffer supporting device on the inner layer upper cover further extend and retract under the action of external force, so that the outer bumping is further reduced, the impact force of an automobile circuit board is reduced to the minimum, the rubber anti-collision cushion ring in the inner layer shell reduces the collision of the automobile circuit board in the horizontal direction, and the anti-collision performance of the anti-collision structure is further improved;
2) in terms of water resistance: the double-layer structure reduces the possibility of water inflow of the internal circuit board, the connection positions adopt a boss groove matching structure, the bosses are upwards and downwards arranged, water is prevented from entering the shell from the connection positions, meanwhile, the connection positions all adopt sealing rings, water stains on the outer side cannot enter the inner shell, so that water inflow of the circuit board is avoided, the circuit board serves as the outermost outer shell, water easily enters the shell, the water stains in the outer shell are guided from top to bottom through the inclined wall on the inner side of the outer shell through the air holes in the side wall of the outer shell, then the circuit board is discharged from the water leakage net of the outer lower cover, and the waterproof baffle plates on the air holes prevent water from entering the air holes.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of an overall structure of a waterproof and crash-proof structure installed inside an automobile circuit board;
FIG. 2 is a schematic structural view of an upper cover of an outer layer of a waterproof and anti-collision structure mounted inside an automobile circuit board;
FIG. 3 is a schematic structural view of an inner cover of a waterproof and anti-collision structure mounted inside an automobile circuit board;
FIG. 4 is a schematic structural view of an inner shell of a waterproof and anti-collision structure mounted inside an automobile circuit board;
fig. 5 is a schematic structural diagram of an outer shell of a waterproof and anti-collision structure mounted inside an automobile circuit board.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a waterproof and anti-collision structure installed inside a circuit board of an automobile comprises an outer upper cover 1, an outer upper cover seal ring 2, an inner upper cover 3, an inner circuit board 4, a rubber anti-collision backing ring 5, an inner shell 6, an outer shell 7, a fixing lug 8, an outer lower cover 9, an outer lower cover seal ring 10 and an inner upper cover seal ring 11, wherein the fixing lugs 8 are oppositely fixed on two sides of the outer shell 7 respectively, the outer lower cover 9 is arranged at the lower end of the outer shell 7, the outer lower cover seal ring 10 is arranged at the joint of the outer lower cover 9 and the lower end of the outer shell 7, the rubber anti-collision backing ring 5 is arranged on the inner wall of the inner shell 6, the inner circuit board 4 is arranged inside the inner shell 6, the inner circuit board 4 is in close contact with the rubber anti-collision backing ring 5, the lower end of the inner circuit board 4 is connected with a supporting buffer rod 12, the lower end of the supporting, on the inlayer upper cover 3 located inlayer casing 6 up end, inlayer upper cover 3 is equipped with inlayer upper cover sealing washer 11 with 6 up end junctions of inlayer casing, inlayer casing 6 is located inside outer casing 7, outer upper cover 1 is located on the outer casing 7 up end, outer upper cover 1 is equipped with outer upper cover sealing washer 2 with 7 up end junctions of outer casing, 4 lower extremes of internal circuit board are connected with electric wire 13, electric wire 13 pierces through inlayer casing 6 terminal surface down, and wear out on covering 9 under by outer, electric wire 13 scribbles sealed glue with 6 lower terminal surface junctions of inlayer casing.
As shown in fig. 2, the outer layer upper cover 1 is a flat rectangle, convex male buttons are arranged at four corners of the rectangle, a groove is arranged on the lower end surface of the outer layer upper cover 1 along the edge of the rectangle, an upper cover buffer spring is fixed on the lower end surface of the outer layer upper cover 1, and the lower end of the upper cover buffer spring is connected with the inner layer upper cover 3.
As shown in fig. 3, the inner layer upper cover 3 is a flat rectangle, convex male buttons are arranged at four corners and four sides of the rectangle, a groove is arranged on the lower end surface of the inner layer upper cover 3 along the edge of the rectangle, and a buffering support device is arranged on the lower end surface of the inner layer upper cover 3.
The buffering support device comprises a buffering spring and a support rod, and an insulating rubber pad is arranged at the lower end of the support rod.
The rubber anti-collision pad ring 5 is a rectangular ring and is embedded on the inner side wall of the inner shell 6.
As shown in fig. 4, the inner shell 6 is a hollow cuboid without a top, and includes a sealing boss 51, a compression spring 52, an inner shell 53, an inner shell female buckle 54 and an inner groove of the inner shell 6, the sealing boss 51 is disposed on the upper end surface of the inner shell 53, the compression spring 52 is disposed on the lower end surface of the inner shell 53, the inner shell female buckle 54 is disposed on the outer side of the inner shell 53, and the inner groove of the inner shell 6 is disposed on the inner side wall of the inner shell 53.
The inner shell female button 54 is matched with the convex male button of the inner layer upper cover 3, the sealing boss 51 is matched with the lower end surface groove of the inner layer upper cover 3, and the inner layer upper cover sealing ring 11 is arranged at the contact position of the sealing boss 51 and the lower end surface groove of the inner layer upper cover 3.
As shown in fig. 5, the outer shell 7 is a hollow cuboid without top and bottom, the lower end of the inner side wall of the cuboid is inclined inward by a certain angle, namely, the inner side wall of the outer shell 7 is funnel-shaped, the structure of the outer shell 7 comprises an outer shell female buckle strip 71, an outer shell 72, an outer shell groove 73, a waterproof baffle 74, air holes 75, a damping spring 76 and an outer shell sealing boss 77, the outer shell sealing boss 77 is arranged on the upper end surface of the outer shell 72, the air holes 75 are uniformly arranged on the side surface of the outer shell 72 close to the top end, the waterproof baffle 74 is arranged at the upper end position of the side surface of the outer shell 72, and waterproof baffle 74 is located the upper end of bleeder vent 75, and on shell recess 73 located shell 72 lower terminal surface, shell 72 four corners all was equipped with shell body box strip 71, and shell body box strip 71 both ends all are the box, and damping spring 76 one end is located on the inside wall of shell 72, and the other end of damping spring 76 is connected with the outside lateral wall of inlayer casing 6.
The female button of shell body female button strip 71 one end matches with the convex male button that outer upper cover 1 four corners was equipped with, and the sealed boss 77 of shell cooperatees with the terminal surface recess under outer upper cover 1, and outer upper cover sealing washer 2 is located the sealed boss 77 of shell and the contact department of terminal surface recess under outer upper cover 1.
The upper end face of the outer lower cover 9 is provided with a sealing boss, the sealing boss is matched with the shell groove 73, the outer lower cover sealing ring 10 is arranged at the contact position of the sealing boss and the shell groove 73, the outer lower cover 9 is a flat rectangle, male buttons protruding outwards are arranged at four corners of the rectangle, the male buttons protruding outwards on the outer lower cover 9 are matched with the female buttons at the other end of the shell female button strip 71, a water leakage net is arranged on the outer lower cover 9, a compression spring is arranged on the outer lower cover 9, and the other end of the compression spring is connected with the lower end face of the outer side of the inner shell 6.
The supporting and buffering rod 12 comprises an upper supporting and fixing rod 121, a lower supporting and fixing shell 122 and a supporting and buffering spring 123, the upper supporting and fixing rod 121 is fixed at the lower end of the inner circuit board 4 through screws, the lower supporting and fixing shell 122 is fixed on the inner bottom surface of the inner shell 6, the upper end surface of the supporting and buffering spring 123 is connected with the lower end surface of the upper supporting and fixing rod 121, and the lower end surface of the supporting and buffering spring 123 is connected with the inner bottom surface of the lower supporting and fixing shell 122.
The working principle of the waterproof and anti-collision structure is as follows:
s1 collision avoidance: when an automobile runs, jolting occurs, firstly, a compression spring, an upper cover buffer spring and a damping spring 76 on the inner side of an outer shell 7 stretch out and draw back, so that the jolting generated in the running process of the automobile is greatly reduced, then a supporting buffer spring 123 in a supporting buffer rod 12 of an inner shell 6 and a buffer spring in a buffer supporting device on an inner cover 3 stretch out and draw back, so that the jolting is further reduced, the impact force of an automobile circuit board is reduced to the minimum, a rubber anti-collision cushion ring 5 in the inner shell 6 reduces the collision of the automobile circuit board in the horizontal direction, and the anti-collision performance of the anti-collision structure is further improved;
s2 waterproof: bilayer structure, the junction adopts boss recess cooperation structure, the boss makes progress the recess downwards, avoid water to get into in the casing by the junction, each junction all adopts the sealing washer simultaneously, outside water stain can't get into in the inlayer casing 6, thereby avoid the circuit board to intake, it intakes easily as outermost outer casing 7, it can be through down flowing on the wall of 7 inboard slopes of outer casing to make water through bleeder vent 75 on the 7 lateral walls of outer casing, later discharge in the net that leaks from outer lower cover 9, waterproof baffle 74 on the bleeder vent 75 avoids water to get into from bleeder vent 75.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A waterproof and anti-collision structure installed inside an automobile circuit board comprises an outer layer upper cover (1), an outer layer upper cover sealing ring (2), an inner layer upper cover (3), an inner circuit board (4), rubber anti-collision backing rings (5), an inner layer shell (6), an outer layer shell (7), fixing lugs (8), an outer layer lower cover (9), an outer layer lower cover sealing ring (10) and an inner layer upper cover sealing ring (11), and is characterized in that the fixing lugs (8) are oppositely fixed on two sides of the outer layer shell (7) respectively, the outer layer lower cover (9) is arranged at the lower end of the outer layer shell (7), the outer layer lower cover sealing ring (10) is arranged at the joint of the outer layer lower cover (9) and the lower end of the outer layer shell (7), the rubber anti-collision backing rings (5) are arranged on the inner layer wall of the inner layer shell (6), the inner circuit board (4) is arranged, and the inner circuit board (4) is closely contacted with the rubber anti-collision backing ring (5), the lower end of the inner circuit board (4) is connected with a supporting buffer rod (12), the lower end of the supporting buffer rod (12) is fixed on the inner lower end face of the inner shell (6), the inner upper cover (3) is arranged on the upper end face of the inner shell (6), an inner upper cover sealing ring (11) is arranged at the joint of the inner upper cover (3) and the upper end face of the inner shell (6), the inner shell (6) is arranged in the outer shell (7), the outer upper cover (1) is arranged on the upper end face of the outer shell (7), an outer upper cover sealing ring (2) is arranged at the joint of the outer upper cover (1) and the upper end face of the outer shell (7), the lower end of the inner circuit board (4) is connected with an electric wire (13), the electric wire (13) penetrates through the lower end face of the inner shell (6) and penetrates out of the outer lower cover, the joint of the lower end face of the wire (13) and the lower end face of the inner shell (6) is coated with sealant;
the outer layer upper cover (1) is a flat rectangle, convex male buttons are arranged at four corners of the rectangle, a groove is arranged on the lower end surface of the outer layer upper cover (1) along the edge of the rectangle, an upper cover buffer spring is fixed on the lower end surface of the outer layer upper cover (1), and the lower end of the upper cover buffer spring is connected with the inner layer upper cover (3);
the inner layer upper cover (3) is a flat rectangle, convex male buttons are arranged at four corners and four sides of the rectangle, a groove is arranged on the lower end surface of the inner layer upper cover (3) along the edge of the rectangle, and a buffering support device is arranged on the lower end surface of the inner layer upper cover (3);
the buffer supporting device comprises a buffer spring and a supporting rod, and an insulating rubber pad is arranged at the lower end of the supporting rod;
the rubber anti-collision cushion ring (5) is a rectangular ring and is embedded on the inner side wall of the inner shell (6);
the inner shell (6) is a hollow cuboid without a top, and structurally comprises a sealing boss (51), a compression spring (52), an inner shell (53), an inner shell female buckle (54) and an inner side groove of the inner shell (6), wherein the sealing boss (51) is arranged on the upper end surface of the inner shell (53), the compression spring (52) is arranged on the lower end surface of the inner shell (53), the inner shell female buckle (54) is arranged on the outer side of the inner shell (53), and the inner side groove of the inner shell (6) is arranged on the inner side wall of the inner shell (53);
the inner shell female buckle (54) is matched with the convex male buckle of the inner layer upper cover (3), the sealing boss (51) is matched with the groove of the lower end face of the inner layer upper cover (3), and the inner layer upper cover sealing ring (11) is arranged at the contact position of the sealing boss (51) and the groove of the lower end face of the inner layer upper cover (3);
the outer shell (7) is a hollow cuboid without a top and a bottom, the lower end of the inner side wall of the outer shell (7) is inclined inwards by a certain angle, namely the inner side wall of the outer shell (7) is funnel-shaped, the structure of the outer shell (7) comprises a shell female buckle strip (71), a shell (72), a shell groove (73), a waterproof baffle plate (74), air holes (75), a damping spring (76) and a shell sealing boss (77), the shell sealing boss (77) is arranged on the upper end surface of the shell (72), the air holes (75) are uniformly arranged on the side surface of the shell (72) and lean against the top end, the waterproof baffle plate (74) is arranged at the upper end position of the side surface of the shell (72), the waterproof baffle plate (74) is positioned at the upper end of the air holes (75), the shell groove (73) is arranged on the lower end surface of the shell (72), the four corners of the shell (72) are both provided with the shell female buckle, one end of the damping spring (76) is arranged on the inner side wall of the shell (72), and the other end of the damping spring (76) is connected with the outer side wall of the inner shell (6);
the female buckle at one end of the outer shell female buckle strip (71) is matched with the convex male buckles arranged at four corners of the outer layer upper cover (1), the outer shell sealing boss (77) is matched with the groove on the lower end face of the outer layer upper cover (1), and the outer layer upper cover sealing ring (2) is arranged at the contact part of the outer shell sealing boss (77) and the groove on the lower end face of the outer layer upper cover (1);
the upper end face of the outer-layer lower cover (9) is provided with a sealing boss, the sealing boss is matched with the shell groove (73), the outer-layer lower cover sealing ring (10) is arranged at the contact position of the sealing boss and the shell groove (73), the outer-layer lower cover (9) is a flat rectangle, convex male buckles are arranged at four corners of the rectangle, the convex male buckles on the outer-layer lower cover (9) are matched with the female buckles at the other end of the shell female buckle strip (71), the outer-layer lower cover (9) is provided with a water leakage net, the outer-layer lower cover (9) is provided with a compression spring, and the other end of the compression spring is connected with the lower end face of the outer side of the inner-layer shell (6);
the supporting and buffering rod (12) comprises an upper supporting and fixing rod (121), a lower supporting and fixing shell (122) and a supporting and buffering spring (123), the upper supporting and fixing rod (121) is fixed at the lower end of the internal circuit board (4) through a screw, the lower supporting and fixing shell (122) is fixed on the inner bottom surface of the inner shell (6), the upper end surface of the supporting and buffering spring (123) is connected with the lower end surface of the upper supporting and fixing rod (121), and the lower end surface of the supporting and buffering spring (123) is connected with the inner bottom surface of the lower supporting and fixing shell (122);
the working principle of the waterproof and anti-collision structure is as follows:
s1 collision avoidance: when an automobile runs, bumping is generated, namely, a compression spring, an upper cover buffer spring and a damping spring (76) on the inner side of an outer shell (7) stretch out and draw back, so that bumping generated in the running process of the automobile is greatly reduced, then a support buffer spring (123) in a support buffer rod (12) of an inner shell (6) and a buffer spring in a buffer support device on an inner cover (3) stretch out and draw back, so that bumping is further reduced, the impact force of an automobile circuit board is reduced to the minimum, and a rubber anti-collision cushion ring (5) in the inner shell (6) enables the automobile circuit board to avoid rigid collision when colliding in the horizontal direction;
s2 waterproof: bilayer structure, the junction adopts boss recess cooperation structure, the boss makes progress the recess downwards, avoid water to get into in the casing by the junction, each junction all adopts the sealing washer simultaneously, outside water stain can't get into in inlayer casing (6), thereby avoid the circuit board to intake, intake easily as outermost outer casing (7), bleeder vent (75) through on outer casing (7) lateral wall can make water can be through down-flow on the wall of outer casing (7) inboard slope, later discharge in the net of leaking from outer lower cover (9), waterproof baffle (74) on bleeder vent (75) are avoided water and are got into from bleeder vent (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292674.6A CN109874258B (en) | 2019-04-12 | 2019-04-12 | Waterproof anticollision structure of automotive wiring board internally mounted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292674.6A CN109874258B (en) | 2019-04-12 | 2019-04-12 | Waterproof anticollision structure of automotive wiring board internally mounted |
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| CN109874258A CN109874258A (en) | 2019-06-11 |
| CN109874258B true CN109874258B (en) | 2020-12-22 |
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| CN201910292674.6A Active CN109874258B (en) | 2019-04-12 | 2019-04-12 | Waterproof anticollision structure of automotive wiring board internally mounted |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112512247A (en) * | 2020-12-11 | 2021-03-16 | 中国北方发动机研究所(天津) | Fixed circuit board structure |
| CN113613442B (en) * | 2021-08-25 | 2022-09-23 | 杭州中芯微电子有限公司 | Small UWB positioning card |
| CN114173501A (en) * | 2021-11-02 | 2022-03-11 | 浙江大华技术股份有限公司 | Waterproof box and electronic equipment |
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| DE29715720U1 (en) * | 1997-09-02 | 1997-11-27 | Hiss Eckart | Electronic detection device |
| JPH11330730A (en) * | 1998-05-19 | 1999-11-30 | Digital Electronics Corp | Environment resisting cover of information processing device |
| CN203912409U (en) * | 2014-05-26 | 2014-10-29 | 国家电网公司 | Waterproof seal box used for online monitoring of high-voltage electric equipment |
| CN205454322U (en) * | 2016-03-26 | 2016-08-10 | 赵银斌 | Explosion -proof electrical apparatus case |
| CN206181651U (en) * | 2016-10-28 | 2017-05-17 | 北京四方继保自动化股份有限公司 | Change protective apparatus's structure on spot |
| CN208063595U (en) * | 2018-03-28 | 2018-11-06 | 佛山市贺迪传感仪器有限公司 | A kind of HD intelligent control instruments |
| CN208544571U (en) * | 2018-04-08 | 2019-02-26 | 梁国锋 | A kind of integrated circuit packaging structure |
| CN208590148U (en) * | 2018-07-04 | 2019-03-08 | 深圳市卓创通电子有限公司 | It is a kind of with subtracting the PCB circuit board for hitting structure |
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|---|---|
| CN109874258A (en) | 2019-06-11 |
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Denomination of invention: A waterproof and anti-collision structure installed inside automobile circuit board Effective date of registration: 20220121 Granted publication date: 20201222 Pledgee: Industrial Bank Limited by Share Ltd. Hefei branch Pledgor: ANHUI SHANGZHAN MOULD INDUSTRIAL CO.,LTD. Registration number: Y2022980000874 |
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