High-reliability automobile electric appliance driving circuit board

Abstract

The utility model relates to the technical field of circuit boards, in particular to a high-reliability automobile electric appliance driving circuit board. The high-reliability automobile electric appliance driving circuit board comprises a circuit board body, through holes are evenly formed in the top of the circuit board body in a penetrating mode, supporting columns are arranged in the through holes, counter bores are formed in the tops of the supporting columns in a penetrating mode, two sets of clamping blocks are evenly placed in the counter bores, and the opposite sides of the two sets of clamping blocks are each provided with a set of square columns. According to the utility model, after the circuit board is fixed in the external shell through the hexagon bolt, the resilience force of the first spring is utilized to drive the bolt to be inserted into the jack of the square column, so that the position of the square column is locked, and the clamping block can limit the screw head of the hexagon bolt; therefore, the hexagon bolt is prevented from being loosened by vibration generated in the running process of an automobile, so that the mounting stability of the circuit board in the external shell is ensured, and the use reliability of the circuit board is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field, concretely is a kind of high reliability automobile electric appliance drive circuit board. BACKGROUND

[0002] The name of circuit board has: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, super-thin circuit board, super-thin circuit board, printed circuit board etc.Circuit board is divided into single-sided board, double-sided board and multilayer circuit board according to layer number three big classifications.First, single-sided board, in the most basic PCB, parts are concentrated in one side, and wire is concentrated on the other side.Because wire only appears in one side, so this PCB is called single-sided board.Single-sided board is usually simple to make, and the cost is low, but the disadvantage is that it cannot be applied to too complex products.Double-sided board is the extension of single-sided board, when single-layer wiring cannot meet the needs of electronic products, double-sided board is used.Double-sided board has copper and wire on both sides, and can be connected through via hole to connect the wire between two layers, so as to form the required network connection.Multilayer board refers to the conductive pattern layer with three or more layers and the insulation material between them, and the conductive pattern is interconnected according to requirements.The multilayer circuit board is the product of the development of electronic information technology towards high speed, multi-functional large capacity, small size, thinness and lightness.

[0003] The existing automobile electric appliance drive circuit board is directly fixed in the shell by bolt when installing and fixing in the shell, and although the direct use of bolt fixing is relatively convenient, when the screwing force of bolt is large, the integrated PCBA circuit board is easily extruded between the shell and bolt wire, thereby causing damage to the circuit board, and the vibration generated during automobile driving makes the bolt exist the risk of being shaken off, thereby reducing the stability of the circuit board in the shell, and further reducing the use reliability of the circuit board, and the technical innovation is carried out on the basis of the existing automobile electric appliance drive circuit board in view of the above situation. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high reliability automobile electric appliance drive circuit board to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high reliability automobile electric appliance drive circuit board, comprising:

[0006] The utility model provides a circuit board, the top of the circuit board is evenly provided with through -hole, is provided with support column in the through -hole, the top of support column is provided with counterbore, two groups of clamping blocks are placed in the counterbore, the opposite side of two groups of clamping blocks is provided with a group of square column, the opposite side of two groups of square column is provided with a group of handle, the outer ring of square column is placed with second spring, the top of square column is provided with the insertion hole, the top of support column is placed with the compression ring, the bottom of compression ring is evenly provided with two groups of bolt and first spring, and the first spring is located the outer ring of bolt, and the bottom of bolt is inserted in the insertion hole of square column.

[0007] Preferably, the counterbore of the support column is provided with a group of receiving grooves on the front and back sides of the inner wall, a group of square grooves are provided through the opposite sides of the two groups of receiving grooves, an insertion slot is provided at the top of the receiving groove, and a recess is provided through the top of the insertion slot.

[0008] Preferably, the first spring is arranged in the recess, the bolt is arranged in the insertion slot, the clamping block corresponds to the receiving groove, the second spring is arranged in the receiving groove, and the side of the square column away from the clamping block is connected with the handle through the receiving groove and the square groove.

[0009] Preferably, the two groups of handles are respectively arranged on the front and back sides of the support column, the second spring is in a stretched state, a pull groove is provided on the left and right sides of the compression ring, two groups of limiting rings are evenly arranged on the outer ring of the support column, and the circuit board is arranged between the two groups of limiting rings.

[0010] Preferably, the counterbore of the support column is provided with a group of receiving grooves on the front and back sides of the inner wall, a group of square grooves are provided through the opposite sides of the two groups of receiving grooves, an insertion slot is provided at the top of the receiving groove, and a recess is provided through the top of the insertion slot.

[0011] Preferably, the bottom of the support column is lower than the bottom of the circuit board, and the bottom of the hexagonal bolt is lower than the bottom of the support column.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] The utility model discloses a support column can prevent the hexagonal bolt and the external shell from directly contacting the circuit board, thereby preventing the circuit board from being damaged by being squeezed between the hexagonal bolt and the external shell.

[0014] When the circuit board is fixed in the external shell through the hexagonal bolt, the resilience of the first spring drives the bolt to be inserted into the insertion hole of the square column, thereby locking the position of the square column, so that the clamping block can limit the hexagonal head of the hexagonal bolt, thereby preventing the hexagonal bolt from being shaken off due to the vibration during the driving of the automobile, ensuring the stability of the installation of the circuit board in the external shell, and improving the use reliability of the circuit board.

[0015] When the plug-in lock is locked, the second spring uses its own elastic force to make the square column have a pulling force to move outward, thereby increasing the friction between the square column and the plug-in lock, and improving the connection stability between the square column and the plug-in lock, so that the vibration generated during the driving of the automobile is difficult to shake the plug-in lock out of the square column, thereby improving the use reliability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the high-reliability automobile electric appliance driving circuit board.

[0017] Figure 2 It is a left side partial sectional view of the high-reliability automobile electric appliance driving circuit board.

[0018] Figure 3 It is an A part enlarged view of the high-reliability automobile electric appliance driving circuit board. Figure 2

[0019] In the figure: 1, circuit board; 2, support column; 21, limiting ring; 22, pressing ring; 23, plug-in lock; 24, first spring; 25, handle; 26, square column; 27, clamping block; 28, second spring; 3, hexagonal bolt; 31, pulling groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-3 ​The utility model provides a kind of high-reliability automobile electric appliance drive circuit board, including circuit board 1, the top of circuit board 1 is uniformly penetrated and is provided with through hole, support column 2 is fixedly arranged in through hole, the top of support column 2 is penetrated and is provided with counterbore, two groups of clamping blocks 27 are evenly placed in counterbore, the opposite side of two groups of clamping blocks 27 is fixedly provided with a group of square column 26, the opposite side of two groups of square column 26 is fixedly provided with a group of handle 25, the outer ring of square column 26 is placed with second spring 28, the top of square column 26 is provided with insertion hole, the top of support column 2 is placed with compression ring 22, the bottom of compression ring 22 is uniformly fixedly provided with two groups of latch bolt 23 and first spring 24, first spring 24 is located in the outer ring of latch bolt 23, the bottom of latch bolt 23 is inserted in the insertion hole of square column 26, the front and back of the inner wall of the counterbore of support column 2 is provided with a group of storage slot, the opposite side of two groups of storage slot is penetrated and is provided with a group of square slot, the top of storage slot is provided with insertion slot, the top of insertion slot is penetrated and is provided with recess, first spring 24 is fixedly arranged in recess, latch bolt 23 is slidably arranged in insertion slot, clamping block 27 corresponds with storage slot, second spring 28 is fixedly arranged in storage slot, the side of square column 26 away from clamping block 27 penetrates storage slot and square slot and is connected with handle 25, two groups of handle 25 are slidably arranged in the front and back of support column 2, second spring 28 is in tensile state, the left and right sides of compression ring 22 are provided with a group of pull slot 31, the compression ring 22 is pulled upwards by pull slot 31, when the compression ring 22 moves upwards, first spring 24 is stretched, and the latch bolt 23 is moved upwards to the insertion slot of support column 2, at this time, the second spring 28 drives the clamping block 27 to move to the storage slot of support column 2 by using the resilience, the outer ring of support column 2 is uniformly fixedly provided with two groups of limit ring 21, and the circuit board 1 is fixedly arranged between the two groups of limit ring 21.

[0022] Hexagonal bolt 3 is placed in the counterbore of support column 2, two groups of clamping blocks 27 are attached to the outer side wall of the screw head of hexagonal bolt 3, the screw rod of hexagonal bolt 3 is aligned with the threaded hole of external shell, then bolt sleeve is sleeved on the screw head of hexagonal bolt 3 and is rotated, so that hexagonal bolt 3 can be screwed with the threaded hole of external shell, so as to complete the fixed installation of circuit board 1, the direct contact of hexagonal bolt 3 and external shell with circuit board 1 can be prevented by support column 2, so as to prevent the damage of circuit board 1 extruded between hexagonal bolt 3 and external shell, the bottom horizontal height of support column 2 is lower than the bottom horizontal height of circuit board 1, and the bottom horizontal height of hexagonal bolt 3 is lower than the bottom horizontal height of support column 2.

[0023] Working principle: through the slot 31 upward pull the compression ring 22, when the compression ring 22 will stretch the first spring 24, and drive the bolt 23 upward to the support column 2 into the slot, at this time the second spring 28 with its own rebound force drive the clamping block 27 to the support column 2 into the storage groove, the hexagonal bolt 3 of the screw rod aligning the threaded hole of the outer shell, then using bolt sleeve sleeve interface in the hexagonal bolt 3 of the screw head outside, and carry on the rotation, with this can be with the hexagonal bolt 3 and the threaded hole of the outer shell screw connection, thus completes the fixed installation of the circuit board 1, through the support column 2 can prevent the hexagonal bolt 3 and the outer shell directly with the circuit board 1 contact, and then play to prevent the circuit board 1 extrusion between the hexagonal bolt 3 and the outer shell damage, when through the hexagonal bolt 3 will be fixed in the circuit board 1 in the outer shell, press inward handle 25 through the square column 26 drive the clamping block 27 and the hexagonal bolt 3 of the screw head outside wall of the paste, at this time the bolt 23 and the square column 26 of the insertion hole alignment, then loose compression ring 22 with the first spring 24 rebound force drive the compression ring 22 downward reset, and then drive the bolt 23 into the square column 26 of the insertion hole, with this will the square column 26 of the position locking, and then make the clamping block 27 can limit the hexagonal bolt 3 of the screw head, so as to prevent the automobile driving process generated by the vibration will be hexagonal bolt 3 shake loose, with this guarantee the circuit board 1 in the outer shell installation stability, and then improve the use reliability of the circuit board 1, and when the bolt 23 will be locked square column 26, the second spring 28 with its own rebound force, will make the square column 26 has the outward movement of the pulling force, so that the square column 26 of the insertion hole and the bolt 23 between the friction force increases, and then improve the connection stability between the square column 26 and the bolt 23, make the automobile driving process generated by the vibration difficult to bolt 23 shake out of the square column 26 of the insertion hole, thus improve the use reliability of the device.

Claims

1. A highly reliable automotive electrical drive circuit board, characterized in that, Include: The circuit board (1), the top of the circuit board (1) is uniformly provided with a through hole, a support column (2) is arranged in the through hole, a counterbore is provided in the top of the support column (2), two groups of clamping blocks (27) are uniformly arranged in the counterbore, a group of square columns (26) are arranged on the opposite sides of the two groups of clamping blocks (27), a group of handles (25) are arranged on the opposite sides of the two groups of square columns (26), a second spring (28) is arranged on the outer circle of the square column (26), an insertion hole is formed in the top of the square column (26), a compression ring (22) is arranged on the top of the support column (2), two groups of insertion pins (23) and first springs (24) are uniformly arranged on the bottom of the compression ring (22), the first spring (24) is located on the outer circle of the insertion pin (23), and the bottom of the insertion pin (23) is inserted into the insertion hole of the square column (26).

2. The high-reliability automotive electrical appliance driving circuit board according to claim 1, characterized by: The counterbore of the support column (2) is provided with a group of receiving grooves on the front and rear sides of the inner side wall, a group of square grooves are formed in the opposite sides of the two groups of receiving grooves, an insertion slot is formed in the top of the receiving groove, and a groove is formed in the top of the insertion slot.

3. The high-reliability automotive electrical drive circuit board of claim 2, wherein: The first spring (24) is arranged in the groove, the insertion pin (23) is arranged in the insertion slot, the clamping block (27) corresponds to the receiving groove, the second spring (28) is arranged in the receiving groove, and the square column (26) is connected with the handle (25) through the receiving groove and the square groove away from the clamping block (27) on one side.

4. The high-reliability automotive electrical drive circuit board of claim 3, wherein: Two groups of handles (25) are arranged on the front and rear sides of the support column (2) respectively, the second spring (28) is in a stretched state, a group of pull grooves (31) are formed on the left and right sides of the compression ring (22), two groups of limiting rings (21) are uniformly arranged on the outer circle of the support column (2), and the circuit board (1) is arranged between the two groups of limiting rings (21).

5. The high-reliability automotive electrical drive circuit board of claim 1, wherein: The hexagonal bolt (3) is arranged in the counterbore of the support column (2), and the two groups of clamping blocks (27) are attached to the outer side wall of the screw head of the hexagonal bolt (3).

6. The high-reliability automotive electrical device driving circuit board of claim 5, wherein: The bottom horizontal height of the support column (2) is lower than the bottom horizontal height of the circuit board (1), and the bottom horizontal height of the hexagonal bolt (3) is lower than the bottom horizontal height of the support column (2).

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