Multi-layer circuit board with protection function

Abstract

The utility model belongs to the technical field of multilayer circuit boards, and discloses a multilayer circuit board with a protection function, which comprises a mounting box, a mounting plate is arranged in the mounting box, a circuit board is mounted on the surface of the mounting plate, a fixing plate is fixedly connected to the position, below the mounting plate, in the mounting box, and the fixing plate is fixedly connected to the surface of the mounting plate. A cooling fan is arranged at the top of the fixed plate, a driving mechanism used for driving the cooling fan to rotate is arranged on the fixed plate, and the driving mechanism can further drive the mounting plate and the movable plate to slide in the mounting box. Through cooperative use of the mounting plate, the fixing plate, the heat dissipation fan, the driving shaft and the clamping assembly, heat dissipation is carried out while the mounting position of the circuit board is adjusted, and the problems that when the circuit board is mounted, due to the fact that the bottom and the periphery of the circuit board are tightly attached to an insulating plate and a rubber plate, air circulation is poor, heat dissipation is not convenient, the circuit board is damaged, and the service life of the circuit board is prolonged are solved. And the service life of the circuit board is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to multilayer circuit board technical field, specifically a kind of multilayer circuit board with protection function. BACKGROUND

[0002] Multilayer circuit board refers to the printed board with three or more conductive pattern layers and the insulating material between them laminated as a spacer, and the conductive pattern is interconnected as required, and multilayer circuit board is the product of electronic information technology developing towards high speed, multi-function, large capacity, small size, thinness and lightness.

[0003] For example, the utility model with publication No. CN216451600U discloses a kind of multilayer circuit board with protection function, including substrate, the substrate top two sides outer wall is fixed with mounting seat by bolt, two The outer wall of mounting seat side is equipped with sliding slot, the inner wall of two sliding slots is slidably connected with connecting block, the outer wall of one side of two connecting blocks is fixedly connected with same circuit board body, the outer wall of one side of two mounting seats is fixed with limiting plate by bolt, the outer wall of one side of two limiting plates is fixedly connected with insulating plate, two The outer wall of one side of insulating plate is in contact with circuit board body, the outer wall of substrate top is fixedly connected with rubber plate.The utility model is equipped with limiting plate and insulating plate, can limit the movement of circuit board body, and insulating plate can provide protection effect for circuit board body, avoid and hard object contact to cause the phenomenon of scratch damage to circuit board body.

[0004] But the above-mentioned device circuit board when installing, the bottom of circuit board and all around and insulating plate and rubber plate are closely attached, air flow is poor, circuit board generates high temperature after long time use, due to internal closed crowded installation environment can lead to internal heat too high difficult to dissipate heat, in turn lead to circuit board damage, reduce the service life of circuit board.

[0005] Therefore, a kind of multilayer circuit board with protection function is proposed to solve the problems raised in the background art. UTILITY MODEL CONTENTS

[0006] To solve the problems raised in the above background art, the utility model provides a kind of multilayer circuit board with protection function, solves the problem that circuit board is installed, due to the bottom of circuit board and all around and insulating plate and rubber plate are closely attached, air flow is poor, not convenient for heat dissipation, lead to circuit board damage, reduce the service life of circuit board.

[0007] To achieve the above object, the utility model provides the following technical scheme: A multilayer circuit board with protection function, including installation box, two trapezoidal sliding slots are opened in the inside symmetry of installation box, installation plate is arranged in the inside of installation box, the surface of installation plate is installed with circuit board, the lower position of installation plate inside installation box is fixedly connected with fixed plate, the bottom of fixed plate is provided with the moving plate of installation box sliding connection, the top of fixed plate is provided with heat dissipation fan, the driving mechanism for driving heat dissipation fan rotation is arranged on fixed plate, the driving mechanism can also drive installation plate and moving plate to slide in the inside of installation box,

[0008] The driving mechanism comprises a driving shaft, the center of the driving shaft is fixedly connected with the center of the heat dissipation fan, the driving shaft penetrates the fixed plate and is rotatably connected with the fixed plate, the bottom of the driving shaft is fixedly connected with a control motor, and the control motor is fixedly connected with the fixed plate.

[0009] Preferably, a circular groove is formed at the center of the installation plate, and ventilation grooves are formed on both sides of the surface of the installation plate.

[0010] Preferably, trapezoidal sliding blocks are fixedly connected to the symmetrical sides of the installation plate and the moving plate, and the trapezoidal sliding blocks are slidably connected with the trapezoidal sliding slots.

[0011] Preferably, the driving mechanism further comprises a gear disc, at least three ring-shaped arrayed gears are engaged at the gear opening of the gear disc, screw rods are screwed at the centers of the gears, the top and bottom of the screw rods are rotatably connected with the installation plate and the moving plate respectively, the screw rods are screwed with the fixed plate, and clamping assemblies for fixing the gear disc and the driving shaft are arranged on the symmetrical sides of the gear disc.

[0012] Preferably, two inclined grooves are symmetrically formed at the position of the driving shaft close to the gear disc, a through hole is formed at the center of the gear disc, and the driving shaft is located at the center of the through hole.

[0013] Preferably, the clamping assembly comprises a clamping block, the clamping block is slidably connected with the inclined groove, a spring is fixedly connected to the side of the clamping block away from the driving shaft, the side of the spring away from the clamping block is fixedly connected with the gear disc, a connecting plate is fixedly connected to the top of the clamping block, an electric push rod is fixedly connected to the side of the connecting plate away from the clamping block, an arc-shaped plate is fixedly connected to the side of the electric push rod away from the connecting plate, and the arc-shaped plate is fixedly connected with the gear disc.

[0014] Preferably, the clamping block is trapezoidal in shape, and the side of the inclined surface of the clamping block is slidably connected with the inclined groove.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model discloses a cooperation of mounting plate, fixed plate, heat dissipation fan, drive shaft and the matching component, realizes the adjustment of the position of mounting circuit board and carries out heat dissipation, drives the rotation of drive shaft through utilizing control motor, and drive toothed disc and heat dissipation fan rotate, and then drive gear rotation, drive the rotation of screw rod with its screw joint, drive screw rod moves up and down along fixed plate, make mounting plate and moving plate rise, be convenient for mounting circuit board, after mounting, drive mounting plate to descend, at this moment, in order to realize the control of mounting plate position, utilize the matching component to realize the separation of drive shaft and toothed disc, when the circuit board is installed, because the bottom and all around of circuit board and insulating plate and rubber plate closely adhere, the air permeability is poor, and it is inconvenient to heat dissipation, lead to circuit board damage, reduce the service life of circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the cooperation schematic diagram of mounting box and mounting plate of the utility model;

[0019] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the cooperation schematic diagram of mounting plate and drive structure of the utility model;

[0021] Figure 5 It is the cooperation schematic diagram of heat dissipation fan and drive shaft of the utility model;

[0022] Figure 6 It is the cooperation schematic diagram of toothed disc and drive shaft of the utility model;

[0023] Figure 7 It is Figure 3 The enlarged view of A in the middle;

[0024] Figure 8 It is Figure 6 The enlarged view of B in the middle.

[0025] In the drawing: 1, mounting box;11, trapezoidal slide groove;12, trapezoidal slide block;2, circuit board;3, mounting plate;31, round groove;32, ventilation groove;4, fixed plate;5, moving plate;6, heat dissipation fan;7, drive mechanism;71, drive shaft;711, inclined groove;72, control motor;73, toothed disc;74, gear;75, screw rod;76, matching component;761, clamping block;762, spring;763, connecting plate;764, electric push rod;765, arc plate. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] As shown in Figures 1 to 8 The utility model provides a kind of multilayer circuit board with protection function, including installation box 1, two trapezoidal sliding grooves 11 are symmetrically opened in the inside of installation box 1, installation plate 3 is provided in the inside of installation box 1, the surface of installation plate 3 is mounted with circuit board 2, fixedly connected with fixed plate 4 at the position below installation plate 3 in the inside of installation box 1, the bottom of fixed plate 4 is provided with the sliding plate 5 of being connected with installation box 1, the top of fixed plate 4 is provided with cooling fan 6, fixed plate 4 is provided with the drive mechanism 7 for driving cooling fan 6 rotation, drive mechanism 7 can also drive installation plate 3 and sliding plate 5 slide in the inside of installation box 1, drive mechanism 7 includes driving shaft 71, driving shaft 71 is fixedly connected with the center of cooling fan 6, driving shaft 71 is connected with fixed plate 4 rotationally and penetrates, the bottom of driving shaft 71 is fixedly connected with control motor 72, control motor 72 is fixedly connected with fixed plate 4, the center of installation plate 3 is provided with circular groove 31, the surface of installation plate 3 is provided with ventilation groove 32 on the symmetric two sides of circular groove 31.

[0028] Using the above scheme: when using, installation plate 3 in the inside of installation box 1 is driven by drive mechanism 7 and moves out of installation box 1 along trapezoidal sliding groove 11, it is convenient to install circuit board 2, after installation, it is moved to the inside of installation box 1 by drive mechanism 7, at this time, control motor 72 is driven to rotate driving shaft 71, and then bottom cooling fan 6 is driven to rotate, so that circuit board 2 is preliminarily cooled, at the same time, the distance between installation plate 3 and fixed plate 4 can be adjusted by drive mechanism 7, so that the inside air is more circulated, and the effect of accelerating heat dissipation can be achieved by cooperating with cooling fan 6.

[0029] As shown in Figures 5 to 8 Drive mechanism 7 further includes gear disc 73, gear disc 73 is engaged with at least three annular array distribution gear 74 at tooth opening, screw rod 75 is screwed at the center of gear 74, screw rod 75 is rotatably connected with installation plate 3 and sliding plate 5 at top and bottom respectively, screw rod 75 is screwed with fixed plate 4, gear disc 73 is provided with clamping assembly 76 for fixing gear disc 73 and driving shaft 71 on the symmetric two sides, two inclined grooves 711 are symmetrically provided at the position close to gear disc 73 of driving shaft 71, through hole is provided at the center of gear disc 73, and driving shaft 71 is located at the center of through hole.

[0030] Adopting the above scheme: by utilizing the engagement assembly 76 to realize the separation and fixation of the driving shaft 71 and the gear disc 73, and the initial state of the gear disc 73 and the driving shaft 71 is the fixed state, when the control motor 72 drives the driving shaft 71 to rotate, the gear disc 73 can be driven to rotate, and then the gear 74 is driven to rotate, the screw rod 75 screwed with the gear 74 is driven to rotate and then drive the screw rod 75 to move up and down along the fixed plate 4, drive the mounting plate 3 and the moving plate 5 to lift, facilitate the installation of the circuit board, after the installation is completed, the control motor 72 is reversely controlled to control the rotating direction of the driving shaft 71, and the mounting plate 3 is driven to move downwards, at this time, in order to realize the control of the position of the mounting plate 3, the rotation of the gear disc 73 needs to be stopped, the driving shaft 71 is separated from the gear disc 73 by utilizing the engagement assembly 76, the driving shaft 71 is tightly driven to rotate the cooling fan 6, and heat dissipation is carried out.

[0031] As shown in Figures 7 to 8 The engagement assembly 76 comprises a clamping block 761, the clamping block 761 is slidably connected with the inclined groove 711, the side, away from the driving shaft 71, of the clamping block 761 is fixedly connected with a spring 762, the side, away from the clamping block 761, of the spring 762 is fixedly connected with the gear disc 73, the top of the clamping block 761 is fixedly connected with a connecting plate 763, the side, away from the clamping block 761, of the connecting plate 763 is fixedly connected with an electric push rod 764, the side, away from the connecting plate 763, of the electric push rod 764 is fixedly connected with an arc-shaped plate 765, the arc-shaped plate 765 is fixedly connected with the gear disc 73, and the clamping block 761 is in a trapezoidal shape and the side of the inclined surface thereof is slidably connected with the inclined groove 711.

[0032] Adopting the above scheme: by utilizing the engagement assembly 76, when it is only needed to control the rotation of the cooling fan 6 to keep the mounting plate 3 stationary, the driving shaft 71 is separated from the gear disc 73 by utilizing the electric push rod 764 to drive the connecting plate 763 and the clamping block 761 to move away from the inclined groove 711, at this time, the spring 762 is in a compressed state, when it is needed to adjust the height, the electric push rod 764 is reset to drive the spring 762 to reset, the clamping block 761 is clamped in the inclined groove 711, the limiting effect is achieved, the driving shaft 71 is fixed with the gear disc 73, and the power transmission effect is achieved.

[0033] The working principle and use process of the utility model: when the utility model is used, by first utilizing the control motor 72 to drive the driving shaft 71 to rotate, the gear disc 73 can be driven to rotate, and then the gear 74 is driven to rotate, the screw rod 75 screwed with the gear 74 is driven to rotate and then drive the screw rod 75 to move up and down along the fixed plate 4, drive the mounting plate 3 and the moving plate 5 to lift, facilitate the installation of the circuit board, after the installation is completed, the control motor 72 is reversely controlled to control the rotating direction of the driving shaft 71, and the mounting plate 3 is driven to move downwards, at this time, in order to realize the control of the position of the mounting plate 3, the rotation of the gear disc 73 needs to be stopped, the driving shaft 71 is separated from the gear disc 73 by utilizing the engagement assembly 76, at this time, the spring 762 is in a compressed state, and then the height adjustment can be stopped, and the cooling fan 6 is driven to rotate to carry out heat dissipation simultaneously.

[0034] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A multi-layer wiring board having a protection function, comprising a mounting box (1), characterized in that: The inside of the mounting box (1) is symmetrically provided with two trapezoidal sliding grooves (11), the inside of the mounting box (1) is provided with a mounting plate (3), the surface of the mounting plate (3) is provided with a circuit board (2), the inside of the mounting box (1) is fixedly connected with a fixed plate (4) below the mounting plate (3), the bottom of the fixed plate (4) is provided with a movable plate (5) slidably connected with the mounting box (1), the top of the fixed plate (4) is provided with a cooling fan (6), the fixed plate (4) is provided with a driving mechanism (7) for driving the cooling fan (6) to rotate, and the driving mechanism (7) can also drive the mounting plate (3) and the movable plate (5) to slide in the mounting box (1). The driving mechanism (7) comprises a driving shaft (71), the driving shaft (71) is fixedly connected with the center of the cooling fan (6), the driving shaft (71) penetrates through the fixed plate (4) and is rotatably connected with the fixed plate (4), and the bottom of the driving shaft (71) is fixedly connected with a control motor (72), and the control motor (72) is fixedly connected with the fixed plate (4).

2. The multilayer circuit board having a protection function according to claim 1, characterized by: The center of the mounting plate (3) is provided with a circular groove (31), and the surface of the mounting plate (3) is provided with a ventilation groove (32) on the symmetrically opposite sides of the circular groove (31).

3. The multi-layered circuit board having a protection function according to claim 1, characterized by: The symmetrically opposite sides of the mounting plate (3) and the movable plate (5) are fixedly connected with trapezoidal sliding blocks (12), and the trapezoidal sliding blocks (12) are slidably connected with the trapezoidal sliding grooves (11).

4. The multi-layered circuit board having a protection function according to claim 1, characterized by: The driving mechanism (7) further comprises a toothed disc (73), at least three annularly arrayed gear wheels (74) are engaged with the toothed opening of the toothed disc (73), screw rods (75) are screwed in the centers of the gear wheels (74), the top and bottom of the screw rod (75) are rotatably connected with the mounting plate (3) and the movable plate (5) respectively, the screw rod (75) is screwed with the fixed plate (4), and the symmetrically opposite sides of the toothed disc (73) are provided with clamping assemblies (76) for fixing the toothed disc (73) and the driving shaft (71).

5. The multi-layered circuit board having a protection function according to claim 4, characterized by: The position of the driving shaft (71) close to the toothed disc (73) is symmetrically provided with two inclined grooves (711), the center of the toothed disc (73) is provided with a through hole, and the driving shaft (71) is located at the center of the through hole.

6. The multi-layered circuit board having a protection function according to claim 4, wherein: The clamping assembly (76) comprises a clamping block (761), the clamping block (761) is slidably connected with the inclined groove (711), one side of the clamping block (761) away from the driving shaft (71) is fixedly connected with a spring (762), one side of the spring (762) away from the clamping block (761) is fixedly connected with the toothed disc (73), the top of the clamping block (761) is fixedly connected with a connecting plate (763), one side of the connecting plate (763) away from the clamping block (761) is fixedly connected with an electric push rod (764), one side of the electric push rod (764) away from the connecting plate (763) is fixedly connected with an arc-shaped plate (765), and the arc-shaped plate (765) is fixedly connected with the toothed disc (73).

7. The multi-layered circuit board having a protection function according to claim 6, characterized by: The clamping block (761) is trapezoidal and the inclined side is slidably connected with the inclined groove (711).

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