High-strength deformation-resistant PCB circuit board structure

Abstract

The utility model discloses a high-strength anti-deformation PCB circuit board structure, which relates to the technical field of PCB circuit boards, and comprises a first reinforcing plate, a second reinforcing plate, a third reinforcing plate and a fourth reinforcing plate, and the top surfaces of the first reinforcing plate, the second reinforcing plate, the third reinforcing plate and the fourth reinforcing plate are fixedly connected with protective blocks. And one surface of each protection block is fixedly connected with a protection pad. According to the utility model, the plurality of heat dissipation holes are arranged to accelerate the air circulation of the PCB and avoid the deformation of the PCB caused by thermal stress, and meanwhile, the first extension assembly is arranged to promote the transverse lengths of the first reinforcing plate, the third reinforcing plate, the second reinforcing plate and the fourth reinforcing plate; the longitudinal length of the first reinforcing plate, the longitudinal length of the second reinforcing plate, the longitudinal length of the third reinforcing plate and the longitudinal length of the fourth reinforcing plate can be increased by arranging the second extending assembly, so that the strength of PCBs of various sizes can be improved by the device, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB circuit board technical field, especially high strength anti -deformation PCB circuit board structure. BACKGROUND

[0002] PCB circuit board, also known as printed circuit board, is the provider of electrical connection of electronic components, and printed circuit board is represented by "PCB". Its design is mainly layout design, and the main advantages of adopting circuit board are that wiring and assembly errors are greatly reduced, automation level and production labor rate are improved, and according to the number of circuit boards, it can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multilayer circuit board.

[0003] The applicant finds that a high-strength anti-deformation PCB circuit board structure is disclosed in Chinese patent with the publication number CN217643846U, which can be directly installed on the existing PCB circuit board, the corner of the PCB circuit board can be effectively protected through the protection plate, the overall strength of the PCB circuit board can be increased through the supporting plate and the frame, and the anti-deformation effect of the middle of the PCB circuit board is increased through the elastic sheet.

[0004] The above device can improve the overall strength of the PCB circuit board through a series of structural settings, prevent the PCB circuit board from deforming when subjected to vibration, but the position of the frame and the protection plate is fixed in actual use, and the size of the PCB circuit board is different, so that the above device cannot improve the strength and protect the corners of the PCB circuit board with various sizes, and the practicability of the structure is low. UTILITY MODEL CONTENT

[0005] The utility model aims at providing high-strength anti-deformation PCB circuit board structure to solve the problem that the above device cannot improve the strength and protect the corners of the PCB circuit board with various sizes in the above background technology, thereby causing low practicability.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A high strength anti deformation PCB circuit board structure, including first reinforcing plate, second reinforcing plate, third reinforcing plate and fourth reinforcing plate, the top surface of first reinforcing plate, second reinforcing plate, third reinforcing plate and fourth reinforcing plate all are fixedly connected with protection block, the one side of every protection block all is fixedly connected with protection pad, the top surface of first reinforcing plate, second reinforcing plate, third reinforcing plate and fourth reinforcing plate all are seted up with a plurality of heat dissipation holes, the corner of first reinforcing plate, second reinforcing plate, third reinforcing plate and fourth reinforcing plate all are seted up with fixed hole, the inner wall of every fixed hole all is screwed with fastening peg, the bottom of first reinforcing plate, second reinforcing plate, third reinforcing plate and fourth reinforcing plate are commonly equipped with first extension assembly and second extension assembly.

[0007] Preferably, the first extension assembly includes two groups of horizontal plates, each group of the horizontal plates has two horizontal plates, the top surfaces of the four horizontal plates are fixedly connected with the bottom surfaces of the first reinforcing plate, the second reinforcing plate, the third reinforcing plate, and the fourth reinforcing plate, the two horizontal plates located at the bottom surfaces of the first reinforcing plate and the second reinforcing plate form a group, and the two horizontal plates located at the bottom surfaces of the third reinforcing plate and the fourth reinforcing plate form a group.

[0008] Preferably, the first extension assembly further includes a first sliding groove formed in each horizontal plate, the inner walls of the two first sliding grooves in each group of the horizontal plates are commonly and slidably connected with a first connecting rod, each first connecting rod has a first tension spring fixedly connected with the opposite end of the first connecting rod, and each first tension spring has one end fixedly connected with one side of the inner wall of the corresponding first sliding groove.

[0009] Preferably, the first extension assembly further includes two first limiting grooves formed in each horizontal plate, and each first limiting groove is aligned with the first limiting grooves in the same group of horizontal plates.

[0010] Preferably, the first extension assembly further includes two groups of first reinforcing rods, each group of the first reinforcing rods has two first reinforcing rods, and the rod walls of each first reinforcing rod are slidably connected with the inner walls of the corresponding first limiting grooves.

[0011] Preferably, the second extension assembly includes two groups of vertical plates, each group of the vertical plates has two vertical plates, the top surfaces of the four vertical plates are fixedly connected with the bottom surfaces of the first reinforcing plate, the second reinforcing plate, the third reinforcing plate, and the fourth reinforcing plate, the two vertical plates located at the bottom surfaces of the first reinforcing plate and the third reinforcing plate form a group, and the two vertical plates located at the bottom surfaces of the second reinforcing plate and the fourth reinforcing plate form a group.

[0012] Preferably, the second extension assembly further comprises a second sliding groove formed in the interior of each vertical plate, and the inner walls of the two second sliding grooves in each set of vertical plates are jointly and slidably connected with a second connecting rod.

[0013] Preferably, the second extension assembly further comprises two second limiting grooves formed in the interior of each vertical plate, and each second limiting groove is aligned with the second limiting grooves in the same set of vertical plates.

[0014] Preferably, the second extension assembly further comprises two sets of second reinforcing rods, and each set of second reinforcing rods comprises two second reinforcing rods.

[0015] The technical effects and advantages of the utility model are as follows: the plurality of heat dissipation holes can accelerate the air circulation of the PCB circuit board, avoid the deformation of the circuit board caused by thermal stress, the first extension assembly can promote the horizontal length of the first reinforcing plate and the third reinforcing plate and the second reinforcing plate and the fourth reinforcing plate, the second extension assembly can promote the vertical length of the first reinforcing plate and the second reinforcing plate and the third reinforcing plate and the fourth reinforcing plate, so that the device can meet the strength improvement of PCB circuit boards of various sizes, thereby enhancing the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional structure schematic view of the first extension assembly and the second extension assembly of the utility model.

[0018] Figure 3 It is a bottom view sectional structure schematic view of the utility model.

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of A in the utility model.

[0020] In the diagram: 1. First reinforcing plate; 2. Second reinforcing plate; 3. Third reinforcing plate; 4. Fourth reinforcing plate; 5. First extension assembly; 6. Second extension assembly; 7. Protective block; 8. Protective pad; 9. Fixing hole; 10. Fastening nail; 11. Heat dissipation hole; 501. Horizontal plate; 502. First connecting rod; 503. First tension spring; 504. First sliding groove; 505. First reinforcing rod; 506. First limiting groove; 601. Vertical plate; 602. Second connecting rod; 603. Second tension spring; 604. Second sliding groove; 605. Second reinforcing rod; 606. Second limiting groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0022] like Figures 1 to 4 As shown, a high-strength, deformation-resistant PCB circuit board structure according to the first aspect of this utility model includes a first reinforcing plate 1, a second reinforcing plate 2, a third reinforcing plate 3, and a fourth reinforcing plate 4. Protective blocks 7 are fixedly connected to the top surfaces of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3, and the fourth reinforcing plate 4. Protective pads 8 are fixedly connected to one side of each protective block 7. Multiple heat dissipation holes 11 are provided on the top surfaces of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3, and the fourth reinforcing plate 4. Fixing holes 9 are provided at the corners of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3, and the fourth reinforcing plate 4. Fastening nails 10 are threadedly connected to the inner wall of each fixing hole 9. A first extension component 5 and a second extension component 6 are jointly provided at the bottom of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3, and the fourth reinforcing plate 4.

[0023] It should be noted that by aligning the four mounting holes at the four corners of the PCB board with the four fixing holes 9, and then fixing it with fastening screws 10, the PCB board can be fixed.

[0024] The technical effects achieved by the above embodiment are: by setting multiple heat dissipation holes 11, the air circulation of the PCB circuit board can be accelerated to avoid the deformation of the circuit board caused by thermal stress, and by setting the first extension assembly 5, the lateral length of the first reinforcing plate 1 and the third reinforcing plate 3 and the second reinforcing plate 2 and the fourth reinforcing plate 4 can be promoted, and by setting the second extension assembly 6, the longitudinal length of the first reinforcing plate 1 and the second reinforcing plate 2 and the third reinforcing plate 3 and the fourth reinforcing plate 4 can be promoted, so that the device can meet the strength improvement of PCB circuit boards of various sizes, thereby enhancing the practicality of the device. Embodiment

[0025] As shown in Figure 3 and Figure 4 , the high-strength anti-deformation PCB circuit board structure includes all the contents of embodiment 1, in addition, the first extension assembly 5 includes two groups of transverse plates 501, each group of transverse plates 501 has two, the top surfaces of the four transverse plates 501 are fixedly connected with the bottom surfaces of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3 and the fourth reinforcing plate 4 respectively, the two transverse plates 501 located at the bottom surfaces of the first reinforcing plate 1 and the second reinforcing plate 2 form a group, the two transverse plates 501 located at the bottom surfaces of the third reinforcing plate 3 and the fourth reinforcing plate 4 form a group, the first extension assembly 5 further includes a first sliding groove 504 opened in each transverse plate 501, the inner walls of the two first sliding grooves 504 in each group of transverse plates 501 are slidably connected with a first connecting rod 502, and the opposite ends of each first connecting rod 502 are fixedly connected with a first tension spring 503, and the end of each first tension spring 503 away from the corresponding first connecting rod 502 is fixedly connected with one side of the inner wall of the corresponding first sliding groove 504, the first extension assembly 5 further includes two first limiting grooves 506 opened in each transverse plate 501, each first limiting groove 506 is aligned with the first limiting groove 506 in the same group of transverse plates 501, and the first extension assembly 5 further includes two groups of first reinforcing rods 505, each group of first reinforcing rods 505 has two, and the rod wall of each first reinforcing rod 505 is slidably connected with the inner wall of the corresponding first limiting groove 506.

[0026] The technical effects achieved by the above embodiment are as follows: when the length of the PCB circuit board is relatively long, the first reinforcing plate 1 and the third reinforcing plate 3 are pulled to one side, and the second reinforcing plate 2 and the fourth reinforcing plate 4 are pulled to the other side, then the first reinforcing plate 1 and the second reinforcing plate 2 are separated, and the third reinforcing plate 3 and the fourth reinforcing plate 4 are separated, then the PCB circuit board is placed on the top surface of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3 and the fourth reinforcing plate 4, at this time the protective block 7 can clamp and pre-fix the PCB circuit board through the plurality of first tension springs 503, then the mounting hole at the corner of the PCB circuit board is aligned with each fixing hole 9, finally the PCB circuit board is fastened through the fastening nails 10, and the anti-deformation strength of the PCB circuit board can be improved through the plurality of first reinforcing rods 505. Embodiment

[0027] As shown in Figure 3 and Figure 4 , the high-strength anti-deformation PCB circuit board structure includes all the contents of embodiment 2, in addition, the second extension assembly 6 includes two groups of vertical plates 601, the number of each group of vertical plates 601 is two, the top surfaces of the four vertical plates 601 are fixedly connected with the bottom surfaces of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3 and the fourth reinforcing plate 4 respectively, the two vertical plates 601 located at the bottom surfaces of the first reinforcing plate 1 and the third reinforcing plate 3 form a group, the two vertical plates 601 located at the bottom surfaces of the second reinforcing plate 2 and the fourth reinforcing plate 4 form a group, the second extension assembly 6 further includes a second sliding groove 604 opened in the inside of each vertical plate 601, the inner walls of the two second sliding grooves 604 in each group of vertical plates 601 are jointly and slidably connected with a second connecting rod 602, the opposite end of each second connecting rod 602 is fixedly connected with a second tension spring 603, the end of each second tension spring 603 away from the corresponding second connecting rod 602 is fixedly connected with one side of the inner wall of the corresponding second sliding groove 604, the second extension assembly 6 further includes two second limiting grooves 606 opened in the inside of each vertical plate 601, each second limiting groove 606 is aligned with the second limiting groove 606 in the same group of vertical plates 601, and the second extension assembly 6 further includes two groups of second reinforcing rods 605, the number of each group of second reinforcing rods 605 is two, and the rod wall of each second reinforcing rod 605 is slidably connected with the inner wall of the corresponding second limiting groove 606.

[0028] The technical effects achieved by the above embodiment are that when the size of the PCB circuit board is wide, the first reinforcing plate 1 and the third reinforcing plate 3 are separated and the second reinforcing plate 2 and the fourth reinforcing plate 4 are separated by pulling the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3 and the fourth reinforcing plate 4 in opposite directions, then the PCB circuit board is placed on the top surface of the first reinforcing plate 1, the second reinforcing plate 2, the third reinforcing plate 3 and the fourth reinforcing plate 4, then the PCB circuit board is clamped and fixed by cooperation of the plurality of second tension springs 603 and the plurality of protective blocks 7, then the overall deformation resistance of the PCB circuit board is improved by the plurality of second reinforcing rods 605, and then the PCB circuit board is installed by cooperation of the four fastening nails 10 and the four fixing holes 9.

[0029] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-strength, deformation-resistant PCB circuit board structure comprising a first stiffener (1), a second stiffener (2), a third stiffener (3) and a fourth stiffener (4), characterized in that: The top surface of the first reinforcing plate (1), the second reinforcing plate (2), the third reinforcing plate (3) and the fourth reinforcing plate (4) is fixedly connected with a protection block (7), one side of each protection block (7) is fixedly connected with a protection pad (8), the top surface of the first reinforcing plate (1), the second reinforcing plate (2), the third reinforcing plate (3) and the fourth reinforcing plate (4) is provided with a plurality of heat dissipation holes (11), the edge corners of the first reinforcing plate (1), the second reinforcing plate (2), the third reinforcing plate (3) and the fourth reinforcing plate (4) are provided with fixing holes (9), and the inner wall of each fixing hole (9) is threadedly connected with a fastening nail (10); the bottom of the first reinforcing plate (1), the second reinforcing plate (2), the third reinforcing plate (3) and the fourth reinforcing plate (4) is provided with a first extension assembly (5) and a second extension assembly (6).

2. The high-strength, deformation-resistant PCB circuit board structure of claim 1, wherein: The first extension assembly (5) comprises two groups of horizontal plates (501), the number of horizontal plates (501) in each group is two, the top surfaces of the four horizontal plates (501) are fixedly connected with the bottom surfaces of the first reinforcing plate (1), the second reinforcing plate (2), the third reinforcing plate (3) and the fourth reinforcing plate (4) respectively, the two horizontal plates (501) located at the bottom surfaces of the first reinforcing plate (1) and the second reinforcing plate (2) form a group, and the two horizontal plates (501) located at the bottom surfaces of the third reinforcing plate (3) and the fourth reinforcing plate (4) form a group.

3. The high-strength, deformation-resistant PCB circuit board structure of claim 2, wherein: The first extension assembly (5) further comprises a first sliding groove (504) formed in the interior of each horizontal plate (501), the inner walls of the two first sliding grooves (504) in each group of horizontal plates (501) are jointly and slidably connected with a first connecting rod (502), the opposite end of each first connecting rod (502) is fixedly connected with a first tension spring (503), and the end, away from the corresponding first connecting rod (502), of each first tension spring (503) is fixedly connected with one side of the inner wall of the corresponding first sliding groove (504).

4. The high-strength, resistance-to-deformation PCB circuit board structure of claim 3, wherein: The first extension assembly (5) further comprises two first limiting grooves (506) formed in the interior of each horizontal plate (501), and each first limiting groove (506) is aligned with the first limiting grooves (506) in the same group of horizontal plates (501).

5. The high-strength, resistance-to-deformation PCB circuit board structure of claim 4, wherein: The first extension assembly (5) further comprises two groups of first reinforcing rods (505), the number of first reinforcing rods (505) in each group is two, and the rod wall of each first reinforcing rod (505) is slidably connected with the inner wall of the corresponding first limiting groove (506).

6. The high-strength, resistance-to-deformation PCB circuit board structure of claim 1, wherein: The second extension assembly (6) comprises two groups of vertical plates (601), the number of vertical plates (601) in each group is two, the top surfaces of the four vertical plates (601) are fixedly connected with the bottom surfaces of the first reinforcing plate (1), the second reinforcing plate (2), the third reinforcing plate (3) and the fourth reinforcing plate (4) respectively, the two vertical plates (601) located at the bottom surfaces of the first reinforcing plate (1) and the third reinforcing plate (3) form a group, and the two vertical plates (601) located at the bottom surfaces of the second reinforcing plate (2) and the fourth reinforcing plate (4) form a group.

7. The high-strength, resistance-to-deformation PCB circuit board structure of claim 6, wherein: The second extension assembly (6) further comprises a second sliding groove (604) formed in each vertical plate (601), and the inner walls of the two second sliding grooves (604) in each group of vertical plates (601) are jointly and slidably connected with a second connecting rod (602), and the opposite end of each second connecting rod (602) is fixedly connected with a second tension spring (603), and the end of each second tension spring (603) away from the corresponding second connecting rod (602) is fixedly connected with one side of the inner wall of the corresponding second sliding groove (604).

8. The high-strength, resistance-to-deformation PCB circuit board structure of claim 7, wherein: The second extension assembly (6) further comprises two second limiting grooves (606) formed in each vertical plate (601), and each second limiting groove (606) is aligned with the second limiting grooves (606) in the same group of vertical plates (601).

9. The high-strength, resistance-to-deformation PCB circuit board structure of claim 8, wherein: The second extension assembly (6) further comprises two groups of second reinforcing rods (605), and the number of each group of second reinforcing rods (605) is two, and the rod wall of each second reinforcing rod (605) is slidably connected with the inner wall of the corresponding second limiting groove (606).

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