CN-224218668-U - High-precision PCB circuit board

Abstract

The utility model relates to the technical field of electronic equipment, in particular to a high-precision PCB circuit board, wherein a fastening screw is spirally connected to the middle position of the side wall of a supporting frame, the inner end of the fastening screw is rotationally connected with a movable clamping frame, the inner side of the movable clamping frame is provided with a circuit board main body, the circuit board main body can be inserted into the movable clamping frame at one side in advance under the action of a limiting groove, the fastening screw can be rotated by rotating a turntable, and make movable card frame can inwards move under the spacing effect of gag lever post, and then can carry out the centre gripping and carry out diversified spacing processing to the circuit board main part through the effect of both sides activity card frame, the rubber pad that inside set up simultaneously can protect the edge of connection, avoids causing wearing and tearing and the pressure loss of circuit board, and only need reverse rotation carousel can when dismantling, only need single can accomplish fast to the dismouting of circuit board, promotes the dismouting convenience to the circuit board.

Inventors

• Jiao Yangbo
• CHEN XIANGZHONG
• CAO GUOZHU

Assignees

• 江西富智线路板有限公司

Dates

Publication Date

20260508

Application Date

20250523

Claims (7)

1. 1. The utility model provides a high-precision PCB circuit board, includes props frame (1), mounting panel (6) and equipment casing (7), its characterized in that prop the lateral wall intermediate position department spiral connection of frame (1) and have fastening screw (2), the inner rotation of fastening screw (2) is connected with movable card frame (3), sliding connection between movable card frame (3) and the frame (1), the inboard of movable card frame (3) is equipped with circuit board main part (4), all fixedly connected with attenuator (5) in the front and back side of the lower extreme of frame (1), the lower extreme fixedly connected with mounting panel (6) of attenuator (5), the lower extreme of mounting panel (6) is equipped with equipment casing (7), the inboard sliding connection of mounting panel (6) has stripper plate (8), the lateral surface downside fixedly connected with buckle (9) of stripper plate (8), sliding connection between buckle (9) and equipment casing (7).
2. 2. The high-precision PCB circuit board according to claim 1, wherein the inner side surface of the movable clamping frame (3) is provided with a limiting groove (10), the inner side of the limiting groove (10) is provided with a rubber pad (11), the rubber pad (11) is fixedly connected with the movable clamping frame (3), and the rubber pad (11) is mutually attached to the circuit board main body (4).
3. 3. The high-precision PCB (printed circuit board) according to claim 1, wherein the outer end of the fastening screw (2) is fixedly connected with a turntable (12), and the number of the fastening screws (2) is two.
4. 4. The high-precision PCB (printed circuit board) of claim 1, wherein the number of the movable clamping frames (3) is two, limiting rods (13) are fixedly connected to the front side and the rear side of the outer end face of the movable clamping frames (3), and the limiting rods (13) are in sliding connection with the supporting frames (1).
5. 5. The high-precision PCB (printed circuit board) according to claim 1, wherein a fixing rod (14) is connected to the middle position of the extrusion plate (8) in a sliding manner, the fixing rod (14) is fixedly connected with the mounting plate (6), and a spring (15) is coated on the surface of the fixing rod (14).
6. 6. The high-precision PCB of claim 1, wherein the inner side of the equipment shell (7) is provided with a clamping groove (16), and the position of the clamping groove (16) corresponds to the position of the buckle (9).
7. 7. The high-precision PCB of claim 1, wherein a heat dissipation space is arranged between the PCB main body (4) and the equipment shell (7).

Description

High-precision PCB circuit board Technical Field The utility model relates to a high-precision PCB (printed circuit board), belonging to the technical field of electronic equipment. Background ‌ The high-precision PCB circuit board is a printed circuit board with high accuracy and stability, ‌ the high-precision PCB circuit board adopts special manufacturing process and advanced technology, is used for transmitting, connecting and supporting electronic components in electronic equipment, and its characteristics include more layers, high circuit density, smaller aperture, larger plate thickness and aperture ratio, etc. ‌. The traditional patent number CN219999817U is a high-precision PCB circuit board, the circuit board body is attached to the upper end face of the transverse plate, the short rod is limited through the cylinder on the lug, the spring in the cylinder pushes the circular plate to attach to the upper end face of the circuit board body, the circuit board body is convenient to install, the inner structure of the circuit board cannot be damaged, the phenomenon that operation is not accurate enough and poor is avoided, the spiral cover connected to the cylinder can prevent the spring in the cylinder from falling off, the device is convenient to detach and maintain in the later stage, the device needs to pull the holding part by hands to enable the circular plate to move upwards when in use, the holding part needs to be four, the circuit board can be installed in the holding part by matching by a plurality of people, time is wasted, labor is wasted, the circuit board is attached to the upper end face of the transverse plate, heat accumulation at the bottom of the circuit board can be caused, the circuit board cannot be used conveniently, the circuit board cannot be installed, the circuit board cannot be damaged when the circuit board is started, the circuit board cannot be continuously and the circuit board can be continuously and conveniently and safely installed when the circuit board is broken when the device is started. Disclosure of utility model The utility model aims to provide a high-precision PCB circuit board so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a high-accuracy PCB circuit board, includes and props frame, mounting panel and equipment casing, the lateral wall intermediate position department spiral connection who props the frame has fastening screw, fastening screw's inner rotation is connected with movable card frame, sliding connection between movable card frame and the support frame, the inboard of movable card frame is equipped with the circuit board main part, the equal fixedly connected with attenuator of lower extreme front and back side of propping the frame, the lower extreme fixedly connected with mounting panel of attenuator, the lower extreme of mounting panel is equipped with the equipment casing, the inboard sliding connection of mounting panel has the stripper plate, the lateral surface downside fixedly connected with buckle of stripper plate, sliding connection between buckle and the equipment casing. Further, the limiting groove is formed in the inner side face of the movable clamping frame, a rubber pad is arranged on the inner side of the limiting groove, the rubber pad is fixedly connected with the movable clamping frame, and the rubber pad is mutually attached to the circuit board main body. Further, the outer end of the fastening screw rod is fixedly connected with a turntable, and the number of the fastening screw rods is two. Further, the number of the movable clamping frames is two, limiting rods are fixedly connected to the front side and the rear side of the outer end face of the movable clamping frames, and the limiting rods are in sliding connection with the supporting frames. Further, the middle position of the extrusion plate is slidably connected with a fixing rod, the fixing rod is fixedly connected with the mounting plate, and a spring is coated outside the surface of the fixing rod. Further, a clamping groove is formed in the inner side of the equipment shell, and the position of the clamping groove corresponds to the position of the buckle. Further, a heat dissipation space is arranged between the circuit board main body and the equipment shell. The beneficial effects of the utility model are as follows: According to the utility model, the circuit board main body can be inserted into the movable clamping frame at one side in advance through the action of the limiting groove, the fastening screw can rotate through the rotation of the rotary plate, the movable clamping frame can move inwards under the limiting action of the limiting rod, the circuit board main body can be clamped and subjected to multidirectional limiting treatment through the action of the movable clamping frames at two sides, meanwhil