Circuit board with high thickness-diameter ratio

Abstract

The utility model relates to the technical field of circuit boards, in particular to a circuit board with a high thickness-diameter ratio, which comprises a circuit board body, a bolt is rotatably mounted in a threaded hole through threads, sliding grooves are formed in two sides of the top of a pressing frame, long grooves communicated with the sliding grooves are formed in two ends of the pressing frame, long rods are mounted in the long grooves in a sliding manner, and the long rods are connected with the sliding grooves through bolts. The inner wall of the fixing frame is provided with a short groove connected with the long rod in an inserted mode, one end of the long rod is provided with a sliding block connected with the sliding groove in a sliding mode, the sliding block is installed in the sliding groove in a sliding mode, and one end of the sliding block is connected with the pressing frame through a spring. The sliding blocks move through the restoring force of the springs, the sliding blocks drive the long rods to be inserted into the short grooves, so that the fixing frame and the pressing frame can be fixed, in the disassembling process, the two sliding blocks on the two sides are close to each other, the sliding blocks drive the long rods to slide in the long grooves, and the long rods leave the short grooves, so that the fixing of the fixing frame and the pressing frame can be canceled, and the disassembling is convenient. And compared with a mode of fixing through four bolts, disassembly and assembly are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field, concretely is a kind of high thickness-diameter ratio circuit board. BACKGROUND

[0002] High thickness-diameter ratio circuit board is a kind of printed circuit board (PCB) with special structure parameters, usually used in electronic equipment with high space utilization rate and electrical performance requirements, and thickness-diameter ratio refers to the ratio of the thickness of the circuit board to the diameter of the hole on the board. High thickness-diameter ratio circuit board refers to the circuit board with a large ratio, and generally, the circuit board with a thickness-diameter ratio greater than 10:1 can be called high thickness-diameter ratio circuit board. For example, a circuit board with a thickness of 1.6 mm and a hole diameter of 0.1 mm has a thickness-diameter ratio of 16:1, which belongs to high thickness-diameter ratio circuit board.

[0003] Chinese utility model publication number: CN221043345U by increasing the design of protective cover assembly and protective seat assembly, when producing and assembling high thickness-diameter ratio deep hole electroplating high-speed circuit board, the high-speed circuit board body is placed in the lower protective frame, the lower end of the high-speed circuit board body is attached to the protective seat rubber ring, the side wall is attached to the foam soft strip, then the upper protective frame is covered on the lower protective frame through the guide hole and guide column guide cover, the protective cover rubber ring is attached to the high-speed circuit board body, the edges and corners of the high-speed circuit board body are protected by the upper protective frame and the lower protective frame, to prevent the edges and corners of the high-speed circuit board body from being damaged by extrusion and impact, the upper and lower ends of the high-speed circuit board body are protected by the fixing cover, the protective cover rubber ring, the fixing seat and the protective seat rubber ring, to prevent the high-speed circuit board body from being damaged by extrusion during installation of the screw.

[0004] The applicant found that the patent has some shortcomings in use: when disassembling the circuit board, four bolts need to be twisted one by one, which is not convenient, and since the bolts are directly connected to the mounting hole of the equipment, the mounting hole of the equipment may be damaged after multiple disassembly and assembly, which affects the use.

[0005] Therefore, the utility model designs a high thickness-diameter ratio circuit board to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a high thickness-diameter ratio circuit board to solve the problems in the background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A high thickness-diameter ratio circuit board, comprising: a circuit board body, the lower side of the circuit board body is equipped with a fixed frame, the inner wall of the fixed frame is equipped with a supporting frame, the upper side of the supporting frame is equipped with a pressing frame which is inserted with the fixed frame, the lower side of both sides of the fixed frame is equipped with a fixed plate, both ends of the fixed plate are equipped with a threaded hole, the threaded hole is equipped with a bolt which is installed through threaded rotation, both sides of the top of the pressing frame are equipped with a sliding slot, both ends of the pressing frame are equipped with a long slot which is communicated with the sliding slot, the long slot is equipped with a long rod which is installed through sliding, the inner wall of the fixed frame is equipped with a short slot which is inserted with the long rod, one end of the long rod is equipped with a sliding block which is connected with the sliding slot through sliding, the sliding block is installed through sliding in the sliding slot and is connected with the pressing frame through a spring at one end, when installation, first, the circuit board is placed on the supporting frame in the fixed frame, then, the two sliding blocks are made to be close to each other, drive the long rod to slide into the long slot and press the spring, then, the pressing frame is inserted into the fixed frame, the circuit board is pressed and fixed, then, the sliding block is loosened, through the restoring force of the spring, the long rod is inserted into the short slot, the fixed frame and the pressing frame are fixed, the installation of the circuit board is completed, when disassembly, the two sliding blocks are made to be close to each other again, disassembly is more convenient.

[0008] Preferably, a guide rod is installed in the sliding slot, the sliding block and the guide rod are connected through sliding, and the guide rod plays a guiding role on the sliding block.

[0009] Preferably, a special-shaped rod is installed on the top of the sliding block, a protection plate is installed on the bottom of the special-shaped rod, the protection plate is in contact with the fixed plate, after the circuit board is installed, the protection plate is located directly above the threaded hole, and the protection plate plays a protection role on the bolt.

[0010] Preferably, a sponge layer is arranged on the outer side wall of the special-shaped rod, and the sponge layer can improve the comfort of the fingers of the staff pressing the special-shaped rod.

[0011] Preferably, rubber layers are arranged on the bottom of the pressing frame and the top of the supporting frame, and the rubber layers can improve the friction between the pressing frame, the supporting frame and the circuit board.

[0012] Preferably, anti-collision layers are arranged around the outer side wall of the fixed frame, and the anti-collision layers can buffer the external impact force received by the fixed frame.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a spring's restoring force makes the slider move, and the slider drives the long rod to insert into the short groove, can complete the fixing of fixed frame and pressure frame, when disassembling, make two sliders of both sides close to each other, make the slider drive the long rod to slide in the long groove, and the long rod leaves the short groove, can cancel the fixing of fixed frame and pressure frame, compared with the mode of four bolts fixed, and the fixed frame and equipment are fixed through the bolt, when disassembling the circuit board, do not need to twist the bolt, avoid the installation hole of equipment from being damaged due to frequent disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view schematic drawing of the utility model;

[0016] Figure 2 It is the front view explosion schematic drawing of the utility model;

[0017] Figure 3 It is the Figure 2 A place structure enlarged schematic drawing of the utility model.

[0018] In the drawing: 1, circuit board body; 2, fixed frame; 3, support frame; 4, pressure frame; 5, fixed plate; 6, threaded hole; 7, bolt; 8, sliding slot; 9, long groove; 10, long rod; 11, short groove; 12, slider; 13, spring; 14, guide rod; 15, special-shaped rod; 16, protection plate. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figures 1-3 The utility model provides an embodiment: a high thickness diameter ratio circuit board, include: circuit board body 1, the lower portion of circuit board body 1 is equipped with fixed frame 2, the inner wall lower portion of fixed frame 2 is installed with support frame 3, the upper portion of support frame 3 is equipped with the pressure frame 4 of insertion with fixed frame 2, the lower portion of both sides of fixed frame 2 is installed with fixed plate 5, both ends of fixed plate 5 are equipped with threaded hole 6, threaded hole 6 is installed with bolt 7 in threaded rotation, both sides of the top of pressure frame 4 are equipped with sliding slot 8, both ends of pressure frame 4 are equipped with long groove 9 that communicates with sliding slot 8, long groove 9 is slidably installed with long rod 10, the inner wall of fixed frame 2 is equipped with short groove 11 that inserts with long rod 10, one end of long rod 10 is installed with the slider 12 of sliding connection with sliding slot 8, slider 12 is slidably installed in sliding slot 8 and one end is connected with pressure frame 4 through spring 13.

[0021] Please refer to Figures 1-3 In the embodiment: the guide rod 14 is installed in the chute 8, and the sliding block 12 is in sliding connection with the guide rod 14.

[0022] Please refer to Figures 1-3 In the embodiment: the special-shaped rod 15 is installed at the top of the sliding block 12, the protective plate 16 is installed at the bottom of the special-shaped rod 15, and the protective plate 16 is in contact with the fixed plate 5.

[0023] Please refer to Figures 1-3 In the embodiment: the sponge layer is arranged above the outer side wall of the special-shaped rod 15.

[0024] Please refer to Figures 1-3 In the embodiment: the rubber layer is arranged at the bottom of the pressing frame 4 and the top of the supporting frame 3.

[0025] Please refer to Figures 1-3 In the embodiment: the anti-collision layer is arranged around the outer side wall of the fixed frame 2, and the material of the anti-collision layer is silica gel.

[0026] Working principle: align the four threaded holes 6 with the mounting holes of the equipment, screw the bolts 7 between the threaded holes 6 and the mounting holes of the equipment, fix the fixed frame 2 and the equipment, then place the line board body 1 on the supporting frame 3 in the fixed frame 2, press the two special-shaped rods 15 on both sides with both hands, make the two special-shaped rods 15 close to each other, make the sliding block 12 slide to drive the long rod 10 into the long groove 9 and press the spring 13, then insert the pressing frame 4 into the fixed frame 2 and press on the top of the line board body 1, at this time, the short groove 11 and the long rod 10 are parallel, release the special-shaped rods 15, move the sliding block 12 through the restoring force of the spring 13, drive the long rod 10 to insert into the short groove 11, that is, the fixing of the fixed frame 2 and the pressing frame 4 is completed, that is, the line board body 1 is fixed between the pressing frame 4 and the supporting frame 3, when disassembling, press the two special-shaped rods 15 again to take out the pressing frame 4, then take out the line board body 1, which is more convenient, and no bolts 7 need to be screwed, avoiding damage to the mounting holes of the equipment caused by frequent disassembly, affecting use, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high aspect ratio circuit board, comprising: The utility model provides a circuit board body (1), its characterized in be: the lower portion of the circuit board body (1) is equipped with fixed frame (2), the inner wall lower portion of fixed frame (2) is installed with support frame (3), the upper portion of support frame (3) is equipped with with fixed frame (2) and inserts pressure frame (4), the lower portion of both sides of fixed frame (2) is installed with fixed plate (5), both ends of fixed plate (5) are all set up threaded hole (6), the threaded hole (6) is installed with bolt (7) through screw thread rotation, the top both sides of pressure frame (4) are all set up sliding slot (8), and both ends of pressure frame (4) are all set up with sliding slot (8) intercommunication's long groove (9), long groove (9) is slidably installed with long rod (10), the inner wall of fixed frame (2) is set up with long rod (10) and inserts short groove (11), one end of long rod (10) is installed with the sliding block (12) of with sliding slot (8) sliding connection, sliding block (12) is slidably installed in sliding slot (8) and one end is connected with pressure frame (4) through spring (13).

2. The high aspect ratio circuit board of claim 1, wherein: The sliding slot (8) is installed with the guide rod (14), and the sliding block (12) and the guide rod (14) are slidably connected.

3. The high aspect ratio circuit board of claim 1, wherein: The top of the sliding block (12) is provided with a special-shaped rod (15), the bottom of the special-shaped rod (15) is provided with a protective plate (16), and the protective plate (16) is in contact with the fixed plate (5).

4. The high aspect ratio circuit board of claim 3, wherein: The outer side wall of the special-shaped rod (15) is provided with a sponge layer.

5. The high aspect ratio circuit board of claim 1, wherein: The bottom of the pressure frame (4) and the top of the support frame (3) are both provided with a rubber layer.

6. The high aspect ratio circuit board of claim 1, wherein: The outer side wall of the fixed frame (2) is provided with an anti-collision layer. The outer side wall of the fixed frame (2) is provided with an anti-collision layer.

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