CN223322287U

CN223322287U - A PCB circuit board with V-shaped pre-dividing grooves

Info

Publication number: CN223322287U
Application number: CN202422504061.3U
Authority: CN
Inventors: 张丙彪; 吉八一; 李东升
Original assignee: Huaian Maotai Technology Co ltd
Current assignee: Huaian Maotai Technology Co ltd
Priority date: 2024-10-16
Filing date: 2024-10-16
Publication date: 2025-09-09
Anticipated expiration: 2034-10-16

Abstract

The utility model discloses a PCB (printed circuit board) with V-shaped pre-dividing grooves, which relates to the technical field of PCB, and comprises two vertical plates, wherein a placing plate is arranged between the vertical plates, a circuit board body is placed on the placing plate, the surface of the circuit board body is provided with V-shaped grooves, the two sides of the top end of the circuit board body are symmetrically provided with first fixing holes, one side of each vertical plate is provided with a groove for limiting the two sides of the circuit board body, the bottom end of the inside of each groove is provided with a second fixing hole, the inner wall of each vertical plate is rotationally connected with a screw, and the two sides of the surface of each screw are respectively in threaded connection with a moving block. According to the utility model, the rubber pad on the connecting plate is conveniently moved away from the surface of the circuit board through the rotation of the screw rod, and meanwhile, the fixing rod at the bottom end of the rubber pad can be taken out from the interiors of the first fixing hole and the second fixing hole, so that the circuit board is conveniently detached and maintained, a plurality of bolts are not required to be detached one by using a designated tool, and the operation is simpler.

Description

PCB circuit board with V-arrangement pre-segmentation groove

Technical Field

The utility model relates to the technical field of PCB (printed circuit board), in particular to a PCB with V-shaped pre-dividing grooves.

Background

The PCB circuit board is also called a printed circuit board, is a provider of electric connection of electronic components, and has the main advantages of greatly reducing errors of wiring and assembly, improving automation level and production labor rate, and is usually characterized in that a V-shaped groove is cut in advance at the edge between two adjacent layers or jointed boards through a specific process in the production process of the PCB (printed circuit board). The V-shaped pre-dividing groove is also called V-dividing or V-groove cutting, is an important link in PCB manufacture, a current PCB circuit board with the V-shaped pre-dividing groove is generally installed with a shell or appointed equipment through bolts, when the PCB circuit board is damaged or needs to be maintained, the PCB circuit board can be taken down for maintenance by disassembling a plurality of bolts one by one through an external appointed tool, and meanwhile, sliding teeth can occur when the bolts are disassembled or installed with excessive force, so that the operation process is troublesome.

Disclosure of utility model

The utility model provides a PCB circuit board with V-shaped pre-dividing grooves, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The PCB circuit board with the V-shaped pre-dividing groove comprises two vertical plates, wherein a placing plate is arranged between the vertical plates, a circuit board body is placed on the placing plate, the surface of the circuit board body is provided with the V-shaped groove, and the two sides of the top end of the circuit board body are symmetrically provided with first fixing holes;

A groove for limiting the two sides of the circuit board body is formed in one side of the vertical plate, and a second fixing hole is formed in the bottom end of the groove;

The inner wall rotation of riser is connected with the screw rod, and the surface both sides of screw rod threaded connection respectively has the movable block, the top of movable block is connected with the support bar through the loose axle, and the top of support bar is connected with the connecting plate through the loose axle to the top symmetry of connecting plate is provided with the dead lever that is connected with inside first fixed orifices and the second fixed orifices.

As a further description of the above technical solution:

The inner wall of riser has seted up the spout, and the inside sliding connection of spout has the slider that is connected with the movable block bottom.

As a further description of the above technical solution:

the threads on two sides of the screw rod are reversely arranged.

As a further description of the above technical solution:

Install the mounting panel between the riser, and the center department of mounting panel installs the radiator fan.

As a further description of the above technical solution:

a through groove is formed in the center of the placement plate.

As a further description of the above technical solution:

One side of the vertical plate is connected with a limiting plate, and the top end of the limiting plate is provided with a threaded hole.

As a further description of the above technical solution:

The diameter of the fixing rod is the same as the inner diameters of the first fixing hole and the second fixing hole.

As a further description of the above technical solution:

a rubber pad is arranged between the connecting plate and the fixing rod.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

According to the utility model, the rubber pad on the connecting plate is conveniently moved away from the surface of the circuit board through the rotation of the screw rod, and meanwhile, the fixing rod at the bottom end of the rubber pad can be taken out from the interiors of the first fixing hole and the second fixing hole, so that the circuit board is conveniently detached and maintained, a plurality of bolts are not required to be detached one by using a designated tool, and the operation is simpler.

Drawings

FIG. 1 is a schematic diagram of a PCB circuit board having a V-shaped pre-split groove;

FIG. 2 is a schematic view of the surface structure of a circuit board body according to the present utility model;

FIG. 3 is a schematic view of a surface portion of a placing plate according to the present utility model;

FIG. 4 is a schematic view of the internal part of the riser according to the present utility model.

Legend description:

A riser; 2, a placing plate, 3, a circuit board body, 4, a V-shaped groove, 5, a first fixing hole, 6, a groove, 7, a second fixing hole, 8, a screw, 9, a moving block, 10, a supporting bar, 11, a connecting plate, 12, a fixing rod, 13, a sliding groove, 14, a sliding block, 15, a mounting plate, 16, a heat radiating fan, 17, a through groove, 18, a limiting plate, 19 and a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a PCB circuit board with V-shaped pre-dividing grooves includes two risers 1, a placement plate 2 is disposed between the risers 1, and the placing board 2 is provided with a circuit board body 3, the surface of the circuit board body 3 is provided with a V-shaped groove 4, the two sides of the top end of the circuit board body 3 are symmetrically provided with first fixing holes 5; one side of the vertical plate 1 is provided with a groove 6 for limiting the two sides of the circuit board body 3, the bottom end of the groove 6 is provided with a second fixing hole 7; the inner wall of the vertical plate 1 is rotatably connected with a screw rod 8, the two sides of the surface of the screw rod 8 are respectively connected with a moving block 9 in a threaded manner, the top end of the moving block 9 is connected with a supporting bar 10 through a movable shaft, the top end of the supporting bar 10 is connected with a connecting plate 11 through the movable shaft, and the top end of the connecting plate 11 is symmetrically provided with a fixed rod 12 connected with the inside of the first fixed hole 5 and the second fixed hole 7, and by rotating the screw rod 8, the moving block 9 which can be screwed on the surface moves in the sliding groove 13 through the sliding block 14, so that the moving block 9 drives the supporting bar 10 and the connecting plate 11 to move up and down, the connecting plate 11 can be moved away from the two sides of the surface of the circuit board body 3, meanwhile, the fixed rod 12 at the bottom end of the connecting plate 11 can be taken out from the inside of the fixed hole, so that the circuit board body 3 can be conveniently disassembled and maintained, the top end of the moving block 9 is connected with the supporting bar 10 through a movable shaft, the top ends of the supporting bars 10 are connected with a connecting plate 11 through a movable shaft, wherein the connection through the movable shaft means that the top ends of the moving blocks 9 and the bottom ends of the connecting plate 11 are provided with partition plates, one side of each partition plate is provided with the movable shaft, and two ends of the supporting bars 10 are respectively connected with two movable circumferences.

Further, the inner wall of the riser 1 is provided with a chute 13, and a sliding block 14 connected with the bottom end of the moving block 9 is slidably connected in the chute 13, which is convenient for the moving block 9 with the surface in threaded connection to limit movement in the chute 13 through the sliding block 14 when the screw 8 rotates.

Further, the threads on both sides of the screw 8 are reversely arranged, so that the moving blocks 9 on both sides of the surface of the screw 8 can simultaneously move in opposite directions or back to back when the screw 8 rotates.

Further, the mounting plate 15 is mounted between the risers 1, and the heat dissipation fan 16 is mounted at the center of the mounting plate 15, which is convenient for dissipating heat to the circuit board body 3 through the heat dissipation fan 16, and the heat dissipation fan 16 is located on the miniature heat dissipation fan 16, so that larger vibration can not be generated.

Further, a through groove 17 is formed in the center of the placement board 2, so that wind blown by the heat dissipation fan 16 can reach the bottom end of the circuit board body 3 through the through groove 17.

Further, a limiting plate 18 is connected to one side of the riser 1, and a threaded hole 19 is formed in the top end of the limiting plate 18, so that bolts can pass through the threaded hole 19 conveniently to mount the riser 1 and the like at a designated position of a housing or equipment.

Further, the diameter of the fixing rod 12 is the same as the inner diameters of the first fixing hole 5 and the second fixing hole 7, so that the phenomenon that the circuit board body 3 shakes or moves due to gaps between the fixing rod 12 and the fixing holes is avoided.

Further, a rubber pad is arranged between the connecting plate 11 and the fixing rod 12, so that the connecting plate 11 can be conveniently extruded and damaged when moving to two sides of the circuit board body 3, and the rubber pad can play a role in buffering protection.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A PCB circuit board with V-shaped pre-dividing grooves comprises two vertical plates (1) and is characterized in that a placing plate (2) is arranged between the vertical plates (1), a circuit board body (3) is placed on the placing plate (2), a V-shaped groove (4) is formed in the surface of the circuit board body (3), and first fixing holes (5) are symmetrically formed in two sides of the top end of the circuit board body (3);

A groove (6) for limiting the two sides of the circuit board body (3) is formed in one side of the vertical plate (1), and a second fixing hole (7) is formed in the bottom end of the groove (6);

The inner wall rotation of riser (1) is connected with screw rod (8), and the surface both sides of screw rod (8) threaded connection respectively has movable block (9), the top of movable block (9) is connected with support bar (10) through the loose axle, and the top of support bar (10) is connected with connecting plate (11) through the loose axle to the top symmetry of connecting plate (11) is provided with dead lever (12) that are connected with first fixed orifices (5) and second fixed orifices (7) inside.

2. The PCB with the V-shaped pre-dividing groove of claim 1, wherein the inner wall of the vertical plate (1) is provided with a sliding groove (13), and a sliding block (14) connected with the bottom end of the moving block (9) is connected inside the sliding groove (13) in a sliding manner.

3. The PCB with the V-shaped pre-dividing groove of claim 1, wherein threads on two sides of the screw (8) are reversely arranged.

4. The PCB with the V-shaped pre-dividing groove of claim 1, wherein a mounting plate (15) is arranged between the vertical plates (1), and a heat dissipation fan (16) is arranged at the center of the mounting plate (15).

5. The PCB with the V-shaped pre-dividing groove according to claim 1, wherein the through groove (17) is formed in the center of the placing plate (2).

6. The PCB with the V-shaped pre-dividing groove of claim 1, wherein one side of the vertical plate (1) is connected with a limiting plate (18), and the top end of the limiting plate (18) is provided with a threaded hole (19).

7. The PCB with the V-shaped pre-dividing groove of claim 1, wherein the diameter of the fixing rod (12) is the same as the inner diameters of the first fixing hole (5) and the second fixing hole (7).

8. The PCB with the V-shaped pre-dividing groove of claim 1, wherein a rubber pad is arranged between the connecting plate (11) and the fixing rod (12).