A high-strength printed circuit board

Abstract

The present invention relates to a high-strength printed circuit board applied in the technical field of circuit boards, comprising a circuit body board, a mounting sheet, a buffer strip, a mounting rail, a perforation, a protective column, a buffer cap, a cap ring, a ring groove, a protective cover, a paving rail, a positioning pile and a connecting screw. The present invention inserts the mounting sheets at both ends of the circuit body board into the buffer strip, and utilizes the elastic deformation of the buffer strip to effectively improve the edge buffer protection capability of the circuit body board, then inserts the protective column into the perforation, utilizes the protective cover to provide shielding protection for the top of the circuit body board, and the protective column directly transmits the impact force received by the protective cover to below the circuit body board, and is clamped with the ring groove outside the upper opening of the perforation through the cap ring, so that the buffer cap is in a tightened state, thereby achieving a buffering and stabilizing effect in the middle of the circuit body board, effectively reducing the impact of bumps received by the middle of the circuit body board, thereby effectively improving the overall comprehensive impact resistance of the circuit body board.

Description

Technical Field

[0001] The invention relates to a printed circuit board, in particular to a high-strength printed circuit board applied in the technical field of circuit boards. Background Art

[0002] Printed circuit boards are an indispensable and important component in the electronics industry. They play a key role in connecting electronic components, achieving electrical connections and mechanical support in electronic equipment. With the continuous development of electronic technology and the continuous expansion of application areas, the PCB industry is also facing new development opportunities and challenges. When the circuit board is fixed, the circuit board has poor protection and is prone to deformation. The deformation is not easy to recover, which affects the quality of the circuit board.

[0003] The specification of Chinese invention patent CN202321673952.0 discloses a high-strength PCB circuit board, including an anti-collision plate, a second damper and a second spring, which can achieve preliminary absorption of the impact force. Then the buffer plate will feel the force, and the first damper and the first spring will achieve a secondary reduction effect. Then the elasticity of the first spring and the second spring will be used to reduce the impact force, thereby improving the circuit board's own impact resistance.

[0004] The existing circuit boards have their own impact protection structures mostly at the edge positions, and the main vibration buffering positions are at the four corners and edge positions of the circuit board. For example, the above-mentioned patent installs dampers at the four corners of the circuit board for buffering protection. When the equipment with the circuit board is subjected to external impact, the impact force acts on the circuit board. Since the middle part of the circuit board lacks the impact and bump buffering ability, the accessories on the middle part of the circuit board are easily affected by the vibration. In order to improve the structural strength of the existing circuit board, external armor is installed on the surface of the circuit board. However, the added armor is directly fixed on the surface of the circuit board. The impact on the armor will be directly transmitted to the circuit board, affecting the strength of the middle part of the circuit board, and the protection ability of the circuit board is insufficient. Summary of the invention

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that the middle part of the existing circuit board lacks the ability to buffer impact and vibration, which affects the strength capacity of the middle part of the circuit board and the protection capacity of the circuit board is insufficient.

[0006] In order to solve the above problems, the present invention provides a high-strength printed circuit board, comprising a circuit body board, both ends of the circuit body board are fixedly connected with mounting pieces, the outside of the mounting piece is covered with a buffer strip, and the outside of the buffer strip is covered with a mounting rail;

[0007] The surface of the circuit body board is provided with a perforation, and a protective column is inserted into the inside of the perforation, a buffer cap is fixedly connected to the bottom of the protective column, a cap ring is fixedly connected to the top of the buffer cap, a ring groove is fixedly connected to the outer periphery of the upper opening of the perforation, the cap ring is snap-connected to the ring groove, a protective cover is fixedly connected to the top of the protective column, a paving rail is fixedly connected between the bottoms of the two mounting rails, a positioning pile is fixedly connected to the surface of the paving rail, a connecting screw is rotatably connected to the inside of the protective column, and the bottom end of the connecting screw is threadedly connected to the positioning pile.

[0008] In the above-mentioned high-strength printed circuit board, the buffer strip is used to improve the edge buffer protection capability of the circuit body board, and the buffer cap on the protection column is used to improve the buffer protection capability of the middle part of the circuit body board, thereby effectively improving the overall comprehensive impact strength of the circuit body board.

[0009] As a further improvement of the present application, a pressure plate strip is inserted between the buffer strip and the top of the mounting rail, and a locking bolt is rotatably connected to the middle part of the pressure plate strip. The locking bolt passes through the mounting plate and the buffer strip, and the bottom end of the locking bolt is threadedly connected to the bottom of the mounting rail. By tightening the locking bolt and the threaded connection with the mounting rail, the pressure plate strip has an squeezing effect on the buffer strip, thereby enabling the buffer strip to clamp the internal mounting plate, effectively improving the installation stability of the circuit body board.

[0010] As a further improvement of the present application, recessed grooves are provided at both ends of the buffer strip, and the buffer strip is made of elastic rubber material. The recessed grooves effectively improve the compression deformation effect of the buffer strip, making it easy to adjust the deformation amplitude of the buffer strip on the mounting plate.

[0011] As a further improvement of the present application, the middle part of the buffer cap is arranged in a bellows shape, and the buffer cap is made of elastic rubber material, and the cap ring is made of ceramic material. The bellows-shaped buffer cap is convenient for expansion and contraction, and the cap ring of the ceramic material is non-conductive and has high structural strength.

[0012] As another improvement of the present application, a docking hole is provided at the bottom of the protective column, the docking hole is sleeved with the positioning pile, and a buffer spring is fixedly connected to the inside of the docking hole, which effectively improves the positioning and docking accuracy of the protective column and the positioning pile, and at the same time utilizes the buffer spring to buffer the impact on the protective column.

[0013] As another improvement of the present application, the protective cover is divided into a middle cover and a side cover according to the installation position, and the outer periphery of the side cover is arranged in a slope shape to realize the functional division of the protective cover and the separate loading and unloading of the middle cover and the side cover, which is convenient for adjusting the local accessories of the circuit body board.

[0014] As another improvement supplement of the present application, heat dissipation holes are opened on the surfaces of the middle cover and the side cover, and the middle cover and the side cover are both made of aluminum alloy material. The heat dissipation holes effectively improve the air permeability and heat dissipation effect of the middle cover and the side cover, and the aluminum alloy material is light in weight and strong in structure, which effectively reduces the overall weight of the circuit board.

[0015] As another improvement supplement of the present application, a connecting hole is opened at one end of the side cover close to the middle cover, and a connecting beam is fixedly connected to the bottom of the middle cover, and hook blocks are fixedly connected to both ends of the connecting beam, and the hook blocks are plugged into the connecting holes. By plugging the hook blocks on the connecting beam into the connecting holes, the assembly strength of the side cover and the middle cover is effectively improved, thereby effectively improving the overall impact resistance of the protective cover.

[0016] In summary, the present invention inserts the mounting plates at both ends of the circuit body board into the buffer strip, utilizes the elastic deformation of the buffer strip to effectively improve the edge buffer protection capability of the circuit body board, and then inserts the protection column into the through hole, utilizes the protection cover to provide shielding protection for the top of the circuit body board, and the impact received by the protection cover is directly transmitted to the bottom of the circuit body board through the protection column, and the impact force does not act on the circuit body board. At the same time, the buffer cap on the protection column is tightened, and the cap ring is used to pull the ring groove to achieve buffering stability in the middle of the circuit body board, effectively reduce the impact of bumps on the middle of the circuit body board, and thus effectively improve the overall comprehensive impact resistance of the circuit body board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of the first embodiment of the present application;

[0018] Figure 2 This is an exploded three-dimensional structural diagram of the first embodiment of the present application;

[0019] Figure 3 This is a three-dimensional structural diagram of the circuit body board and the mounting rail of the first embodiment of the present application;

[0020] Figure 4 This is a three-dimensional structural diagram of the installation sheet and the buffer strip in the first embodiment of the present application;

[0021] Figure 5 This is an enlarged cross-sectional view of the buffer strip in the first embodiment of the present application;

[0022] Figure 6 This is an enlarged cross-sectional view of the buffer cap of the first embodiment of the present application;

[0023] Figure 7 This is a three-dimensional structural diagram of the cover and the side cover in the second embodiment of the present application;

[0024] Figure 8 This is a three-dimensional structural diagram of a cover in the second embodiment of the present application;

[0025] Fig. 9 This is a bottom-view stereoscopic structural diagram of a cover in a second embodiment of the present application;

[0026] Fig.10 This is a bottom-up stereoscopic structural diagram of the side cover according to the second embodiment of the present application.

[0027] Description of the numbers in the figure:

[0028] 1. Circuit board; 101. Mounting sheet; 102. Buffer strip; 103. Mounting rail; 104. Pressure strip; 105. Locking bolt; 106. Recessed groove; 2. Perforation; 201. Protective column; 202. Buffer cap; 203. Cap ring; 204. Ring groove; 205. Paving rail; 206. Positioning pile; 207. Connecting screw; 208. Docking hole; 209. Buffer spring; 3. Protective cover; 301. Middle cover; 302. Side cover; 303. Heat dissipation hole; 304. Connecting hole; 305. Connecting beam; 306. Hook block. DETAILED DESCRIPTION

[0029] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0030] The first implementation method:

[0031] Figures 1 to 5 10. A high-strength printed circuit board is shown, comprising a circuit body board 1, both ends of the circuit body board 1 are fixedly connected with mounting pieces 101, the outside of the mounting piece 101 is covered with a buffer strip 102, the outside of the buffer strip 102 is covered with a mounting rail 103, a pressure plate strip 104 is inserted between the buffer strip 102 and the top of the mounting rail 103, the middle of the pressure plate strip 104 is rotatably connected with a locking bolt 105, the locking bolt 105 passes through the mounting piece 101 and the buffer strip 102, and the bottom end of the locking bolt 105 is screwed to the bottom screw of the mounting rail 103. The thread connection is achieved by tightening the locking bolt 105 and the thread connection with the mounting rail 103, so that the pressing plate bar 104 can squeeze the buffer bar 102, so that the buffer bar 102 can clamp the internal mounting sheet 101, effectively improving the installation stability of the circuit body board 1. The left and right ends of the buffer bar 102 are provided with recessed grooves 106, and the buffer bar 102 is made of elastic rubber material. The recessed grooves 106 effectively improve the compression deformation effect of the buffer bar 102, which is convenient for adjusting the buffer deformation amplitude of the buffer bar 102 on the mounting sheet 101;

[0032] When assembling the printed circuit board, the mounting pieces 101 at both ends of the circuit body board 1 are inserted into the buffer strips 102, and then the circuit body board 1 is horizontally inserted between the two mounting rails 103, and the buffer strips 102 are inserted into the interior of the mounting rails 103, and then the locking bolts 105 on the pressure plate strips 104 are tightened so that the locking bolts 105 are threadedly connected to the mounting rails 103, so that the pressure plate strips 104 can press the buffer strips 102, effectively improving the clamping stability of the mounting pieces 101 at both ends of the circuit body board 1, and at the same time, by controlling the pressing amplitude of the buffer strips 102, the buffering amplitude of the buffer strips 102 on the mounting pieces 101 is adjusted to meet the buffering requirements of the circuit body board 1.

[0033] Figure 2 and Figure 6 As shown, a through hole 2 is provided on the surface of the circuit body board 1, a protective column 201 is inserted into the inside of the through hole 2, a buffer cap 202 is fixedly connected to the bottom of the protective column 201, a cap ring 203 is fixedly connected to the top of the buffer cap 202, a ring groove 204 is fixedly connected to the periphery of the upper opening of the through hole 2, the cap ring 203 is snap-fitted with the ring groove 204, a protective cover 3 is fixedly connected to the top of the protective column 201, a paving rail 205 is fixedly connected between the bottoms of the two mounting rails 103, a positioning pile 206 is fixedly connected to the surface of the paving rail 205, a connecting screw 207 is rotatably connected to the inside of the protective column 201, and the bottom end of the connecting screw 207 is fixed to the The positioning pile 206 is threadedly connected, and a docking hole 208 is provided at the bottom of the protection column 201. The docking hole 208 is sleeved with the positioning pile 206, and a buffer spring 209 is fixedly connected inside the docking hole 208, which effectively improves the positioning and docking accuracy of the protection column 201 and the positioning pile 206. At the same time, the buffer spring 209 is used to buffer the impact on the protection column 201. The middle part of the buffer cap 202 is arranged in a corrugated tube shape, and the buffer cap 202 is made of elastic rubber material, and the cap ring 203 is made of ceramic material. The corrugated tube-shaped buffer cap 202 is easy to expand and contract, and the cap ring 203 of the ceramic material is non-conductive and has high structural strength;

[0034] After the edge assembly of the circuit body board 1 is completed, the protection cover 3 is used to shield and protect the circuit body board 1, and the protection column 201 is inserted into the perforation 2. During the insertion process of the protection column 201, the buffer cap 202 is simultaneously pressed into the perforation 2, and the cap ring 203 on the top of the buffer cap 202 is engaged with the ring groove 204 outside the upper opening of the perforation 2, so that the buffer cap 202 is in a tensioned state, that is, the buffer cap 202 pulls the middle part of the circuit body board 1 downward. When the circuit board is subjected to external impact, the impact force is resisted by the protection cover 3, and the impact force is transmitted downward through the protection column 201, and then the impact force is buffered by the deformation of the buffer spring 209. Since the protection column 201 directly passes through the perforation 2, the impact force does not directly affect the circuit body board 1. The buffer cap 202 is used to buffer between the protection column 201 and the circuit body board 1, providing a stable buffer environment for the middle part of the circuit body board 1, effectively reducing the impact of bumps on the middle part of the circuit body board 1, thereby effectively improving the use strength of the printed circuit board.

[0035] The second implementation method:

[0036] Compared with the first embodiment, the present embodiment mainly divides the protective cover 3 into a middle cover 301 and a side cover 302. The specific newly added structure is as follows, and the rest of the structure is consistent with the first embodiment.

[0037] Figure 2 and Figure 7 As shown, the protective cover 3 is divided into a middle cover 301 and a side cover 302 according to the installation position, and the periphery of the side cover 302 is arranged in a slope shape, so as to realize the functional division of the protective cover 3 and the separate loading and unloading of the middle cover 301 and the side cover 302, so as to facilitate the adjustment of the local accessories of the circuit body board 1, and the surfaces of the middle cover 301 and the side cover 302 are provided with heat dissipation holes 303, and the middle cover 301 and the side cover 302 are both made of aluminum alloy material, and the heat dissipation effect of the middle cover 301 and the side cover 302 is effectively improved through the heat dissipation holes 303, and the aluminum alloy material is light in weight and strong in structure, so as to effectively reduce the overall weight of the circuit board;

[0038] According to the installation position of the protective cover 3, the protective cover 3 is divided into a middle cover 301 and a side cover 302. As shown in the accompanying drawings, the technical solution divides the protective cover 3 into three parts: left, middle and right. The left and right parts are the side covers 302. When adjusting the accessories on the circuit board, specifically, the lines on the circuit board are plugged in and the storage hard disk is installed. According to the installation position of the circuit components, the middle cover 301 and the side cover 302 are removed separately to expose the circuit board accessories that need to be operated, so as to adjust the local accessories of the circuit body board 1 and facilitate the use of the printed circuit board.

[0039] Figures 7 to 10As shown, a connecting hole 304 is provided at one end of the side cover 302 close to the middle cover 301, a connecting crossbeam 305 is fixedly connected to the bottom of the middle cover 301, hook blocks 306 are fixedly connected to both ends of the connecting crossbeam 305, and the hook blocks 306 are plugged into the connecting hole 304. By plugging the hook blocks 306 on the connecting crossbeam 305 into the connecting hole 304, the assembly strength of the side cover 302 and the middle cover 301 is effectively improved, thereby effectively improving the overall impact resistance of the protective cover 3;

[0040] When assembling and fixing the middle cover 301 and the side cover 302, the middle cover 301 is installed and fixed first. The specific installation method details are the fixed connection between the protective column 201 and the positioning pile 206 in the first embodiment, and then the side cover 302 is installed. The connecting hole 304 on the side cover 302 is installed corresponding to the hook block 306 on the connecting beam 305, so as to realize the high-strength combination of the side cover 302 and the middle cover 301, and effectively improve the overall impact resistance of the protective cover 3.

[0041] In view of current practical needs, the above-mentioned implementation mode adopted in this application is not limited to the scope of protection. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. A high-strength printed circuit board, characterized in that: It comprises a circuit body plate (1), both ends of the circuit body plate (1) are fixedly connected with mounting plates (101), the outside of the mounting plates (101) is covered with a buffer strip (102), and the outside of the buffer strip (102) is covered with a mounting rail (103); The surface of the circuit body plate (1) is provided with a through hole (2), a protective column (201) is inserted into the inside of the through hole (2), a buffer cap (202) is fixedly connected to the bottom of the protective column (201), a cap ring (203) is fixedly connected to the top of the buffer cap (202), a ring groove (204) is fixedly connected to the outer periphery of the upper opening of the through hole (2), the cap ring (203) is snap-fitted with the ring groove (204), a protective cover (3) is fixedly connected to the top of the protective column (201), a paving rail (205) is fixedly connected between the bottoms of the two mounting rails (103), a positioning pile (206) is fixedly connected to the surface of the paving rail (205), a connecting screw (207) is rotatably connected to the inside of the protective column (201), and the bottom end of the connecting screw (207) is threadedly connected to the positioning pile (206); The buffer strip (102) is provided with concave grooves (106) at both left and right ends, and the buffer strip (102) is made of elastic rubber material; The middle portion of the buffer cap (202) is arranged in a bellows shape, the buffer cap (202) is made of elastic rubber material, and the cap ring (203) is made of ceramic material.

2. A high-strength printed circuit board according to claim 1, characterized in that: A pressure plate strip (104) is inserted between the buffer strip (102) and the top of the mounting rail (103), and a locking bolt (105) is rotatably connected to the middle of the pressure plate strip (104). The locking bolt (105) passes through the mounting plate (101) and the buffer strip (102), and the bottom end of the locking bolt (105) is threadedly connected to the bottom of the mounting rail (103).

3. A high-strength printed circuit board according to claim 1, characterized in that: A docking hole (208) is provided at the bottom of the protection column (201), the docking hole (208) is sleeved with the positioning pile (206), and a buffer spring (209) is fixedly connected inside the docking hole (208).

4. A high-strength printed circuit board according to claim 1, characterized in that: The protective cover (3) is divided into a middle cover (301) and a side cover (302) according to the installation position, and the periphery of the side cover (302) is arranged in a slope shape.

5. A high-strength printed circuit board according to claim 4, characterized in that: Heat dissipation holes (303) are provided on the surfaces of the middle cover (301) and the side cover (302), and the middle cover (301) and the side cover (302) are both made of aluminum alloy material.

6. A high-strength printed circuit board according to claim 5, characterized in that: A connection hole (304) is provided at one end of the side cover (302) close to the middle cover (301); a connection beam (305) is fixedly connected to the bottom of the middle cover (301); hook blocks (306) are fixedly connected to both ends of the connection beam (305); and the hook blocks (306) are plugged into the connection hole (304).

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