CN210016783U

CN210016783U - Antidetonation type circuit board

Info

Publication number: CN210016783U
Application number: CN201920850528.6U
Authority: CN
Inventors: 张义
Original assignee: Henan Jiechengbang Electronic Technology Co Ltd
Current assignee: Henan Jiechengbang Electronic Technology Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-04
Anticipated expiration: 2029-06-06

Abstract

The utility model provides an antidetonation type circuit board, the effectual circuit board shock resistance that has solved is poor, the scheduling problem of easy damage, which comprises a mainboard, the mainboard equipartition all around is equipped with a plurality of mounting holes, the mainboard below is equipped with the base, be equipped with the damper unit who corresponds with the mounting hole in the base, the base internal rotation is connected with the axis of rotation that the level was placed, the axis of rotation is coaxial fixed with first gear from a left side to the right side in proper order, second gear and third gear, the front side meshing of first gear has first rack, first rack upper end is fixed with first tray, the rear side meshing of second gear has the second rack, second rack upper end is fixed with the second tray, the front side meshing of third gear has the third rack, the upper end of third rack is fixed with the third tray, the coaxial torsional spring that is fixed with of.

Description

Antidetonation type circuit board

Technical Field

The utility model relates to an electronic components technical field especially relates to an antidetonation type circuit board.

Background

At present, due to market demands, a plurality of sports electronic products appear, and the sports electronic products have the defects that the electronic products have larger vibration amplitude in the movement process, and the circuit board is used as a control part of the electronic products, so that the circuit board is easily loosened from a shell due to the influence of vibration, and cracks are generated, and the service performance of the circuit board is further influenced;

when the circuit board is vibrated, the periphery of the circuit board is fixed in a conventional method, and because the middle part of the circuit board is not provided with a supporting object, the stress is completely applied to the circuit board, the stress is maximum at the center of the circuit board, once the vibration reaches a certain limit, the center of the circuit board cannot be borne, the circuit board is damaged, and the electronic product cannot normally work, so that the circuit board cannot be sufficiently protected.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the present invention aims to provide an anti-seismic circuit board, which effectively solves the problems of poor anti-seismic capability, easy damage and the like of the circuit board.

The technical scheme of its solution is, including the mainboard, the mainboard equipartition all around is equipped with a plurality of mounting holes, the mainboard below is equipped with the base, be equipped with the damper unit who corresponds with the mounting hole in the base, the base internal rotation is connected with the axis of rotation that the level was placed, the axis of rotation is coaxial fixed with first gear from a left side to the right side in proper order, second gear and third gear, the front side meshing of first gear has first rack, first rack upper end is fixed with first tray, the rear side meshing of second gear has the second rack, second rack upper end is fixed with the second tray, the front side meshing of third gear has the third rack, the upper end of third rack is fixed with the third tray, the axis of rotation is coaxial to be fixed with the torsional spring.

The utility model discloses the structure is ingenious, and the linkage is good, and under the condition that does not influence the circuit board performance, the shock resistance of self-adaptation adjusting circuit board alleviates the impact that the circuit board received, prolongs the life of circuit board, and is safe effective, convenient and practical.

Drawings

Fig. 1 is a schematic view of a front view of the present invention.

Fig. 2 is a schematic view of a top view of the present invention.

Fig. 3 is a partially enlarged schematic view of a in fig. 1.

Fig. 4 is a schematic view of a three-dimensional structure of a rotating shaft according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Given by fig. 1 to 4, an antidetonation type circuit board, including mainboard 1, mainboard 1 equipartition all around is equipped with a plurality of mounting holes 2, mainboard 1 below is equipped with base 3, be equipped with the damper assembly corresponding with mounting hole 2 in the

base

3, 3 swivelling joint of base has the axis of rotation 4 that the level was placed, axis of rotation 4 from a left side to the right side coaxial fixation in proper order has first gear 5, second gear 6 and third gear 7, the front side meshing of first gear 5 has first rack 8, first rack 8 upper end is fixed with first tray 9, the rear side meshing of second gear 6 has second rack 10, second rack 10 upper end is fixed with second tray 11, the front side meshing of third gear 7 has third rack 12, the upper end of third rack 12 is fixed with third tray 13, axis of rotation 4 coaxial fixation has torsional spring 14.

The number of the mounting holes 2 is 4.

Damping component include bolt 15, be equipped with the cavity in the base 3, the bolt 15 left and right sides is fixed with the diaphragm 16 that is located the cavity, diaphragm 16 lower extreme is connected through pressure spring 17 with base 3, bolt 15 up-and-down motion in base 3.

The mounting hole 2 is welded with a bolt 15.

The first rack 8, the second rack 10 and the third rack 12 respectively slide up and down in the base 3.

In order to support and protect the lower end surface of the circuit board, the upper ends of the first tray 9, the second tray 11 and the third tray 13 are all fixed with anti-skid pads 18.

When the utility model is used, the indication directions or position relations of the terms of front, back, left, right, up and down are based on the front view, the main board 1 is placed above the base 3, the mounting hole 2 is matched with the bolt 15, then the mounting hole 2 is welded and fixed with the bolt 15, the initial position is that under the action of the pressure spring 17, the transverse plate 16 is positioned at the uppermost end in the cavity, the transverse plate 16 is attached to the inner wall of the base 3, the second tray 11 is closely attached to the lower surface of the main board 1, the first tray 9 and the third tray 13 are positioned below the main board 1, but the first tray 9 and the third tray 13 are not attached to the main board 1, when the lower part of the main board 1 is impacted, under the action of the transverse plate 16 and the second tray 11, the main board 1 and the base 3 are integrated, and the base 3 is always positioned under the main board 1, the base 3 plays a role of protecting the lower surface of the main board 1, the base 3 bears the impact force, and the circuit board is not affected;

when the upper part of the main board 1 is impacted, the main board 1 moves downwards, the bolt 15 moves downwards in the base 3, the transverse plate 16 extrudes the pressure spring 17 in the cavity and plays a certain role of buffering under the action of the pressure spring 17, the main board 1 drives the second tray 11 to move downwards at the middle position of the main board 1, the second tray 11 drives the second rack 10 to move downwards in the base 3, the second rack 10 is meshed with the second gear 6, the second gear 6 drives the rotating shaft 4 to rotate, the rotating shaft 4 is coaxially fixed with the first gear 5, the second gear 6 and the third gear 7, because the first rack 8 is positioned at the front side of the first gear 5, the third rack 12 is positioned at the front side of the third gear 7, and the second rack 10 is positioned at the rear side of the second gear 6, the second rack 10 moves downwards, the first rack 8 and the third rack 12 move upwards synchronously, and then the first tray 9 and the third tray 13 move upwards synchronously, the first tray 9, the second tray 11 and the third tray 13 can simultaneously support the lower surface of the mainboard 1, the cracking or breaking of the middle position of the mainboard 1 caused by impact force can be effectively prevented, the impact force of the circuit board is greatly relieved, the anti-seismic performance of the circuit board is improved, when the impact force disappears, under the combined action of the pressure spring 17 and the torsion spring 14, the main board 1 is reset upwards, the transverse plate 16, the first tray 9, the second tray 11 and the third tray 13 are restored to the initial positions, only the second tray 11 is tightly attached to the lower surface of the main board 1 at the moment, the heat dissipation effect of the lower surface of the circuit board is effectively ensured, and then do not influence the heat dispersion of circuit board, safe and reliable, first tray 9, second tray 11 and third tray 13 upper end all are fixed with slipmat 18 simultaneously, and slipmat 18 plays anti-skidding guard action to 1 lower surfaces of mainboard, avoids the circuit board to take place the mar, economical and practical.

The utility model discloses more traditional equipment has following benefit: 1) the gear and rack structure is combined, the gear and rack structure layout is utilized, the meshing directions are different, and therefore the second tray 11 moves downwards, the first tray 9 and the third tray 13 are controlled to move upwards synchronously, the first tray 9, the second tray 11 and the third tray 13 support the circuit board simultaneously, the anti-seismic effect of the circuit board is greatly improved, the middle position of the circuit board is prevented from being broken, the service life of the circuit board is prolonged, the linkage is good, the self-adaptive adjustment is realized, and the structure is novel; 2) combine damper, carry out the shock attenuation to the circuit board all around and handle, play multiple shock attenuation effect, improve the whole shock resistance of circuit board.

The utility model discloses the structure is ingenious, and the linkage is good, and the shock resistance of self-adaptation adjusting circuit board alleviates the impact that the circuit board received, prolongs the life of circuit board, and is safe effective, has fine market prospect.

Claims

1. An anti-seismic circuit board is characterized by comprising a main board (1), a plurality of mounting holes (2) are uniformly distributed on the periphery of the main board (1), a base (3) is arranged below the main board (1), a shock absorption assembly corresponding to the mounting holes (2) is arranged in the base (3), a horizontally placed rotating shaft (4) is rotatably connected in the base (3), a first gear (5), a second gear (6) and a third gear (7) are coaxially fixed on the rotating shaft (4) from left to right in sequence, a first rack (8) is meshed with the front side of the first gear (5), a first tray (9) is fixed on the upper end of the first rack (8), a second rack (10) is meshed with the rear side of the second gear (6), a second tray (11) is fixed on the upper end of the second rack (10), a third rack (12) is meshed with the front side of the third gear (7), and a third tray (13) is fixed on the upper end of the third rack (12), the rotating shaft (4) is coaxially fixed with a torsion spring (14).

2. An anti-seismic circuit board according to claim 1, characterized in that said mounting holes (2) are 4 in number.

3. An anti-seismic circuit board according to claim 1, characterized in that the shock-absorbing assembly comprises a plug pin (15), a cavity is arranged in the base (3), transverse plates (16) positioned in the cavity are fixed on the left side and the right side of the plug pin (15), the lower ends of the transverse plates (16) are connected with the base (3) through compression springs (17), and the plug pin (15) moves up and down in the base (3).

4. An earthquake-resistant circuit board according to claim 3, characterized in that the mounting holes (2) are welded with the pins (15).

5. An anti-seismic circuit board according to claim 1, characterized in that the first rack (8), the second rack (10) and the third rack (12) slide up and down in the base (3), respectively.

6. An earthquake-resistant circuit board according to claim 1, characterized in that anti-slip pads (18) are fixed on the upper ends of the first tray (9), the second tray (11) and the third tray (13).