High-integration PCBA circuit board structure
By designing a combination structure of support pillars, cover plates, cross-shaped pressure blocks, and springs on a highly integrated PCBA circuit board, the problem of damage during screw fixing is solved, and a more stable fixing effect is achieved.
Patent Information
- Application Number
- CN202520355845.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing highly integrated PCBA circuit boards are prone to damage when screwed in due to excessive tightening force.
Design a highly integrated PCBA circuit board structure, which adopts a combination structure of support columns, cover plates, cross-shaped pressure blocks and springs. The support columns are fixed by screws, the spring rebound force is used to prevent the screws from loosening, and the support stability is improved by limit rings.
It effectively prevents direct contact damage between the integrated PCBA circuit board and the screw and housing, and improves the fixing stability to prevent the screw from loosening.
Smart Images
Figure CN223859321U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to integrated circuit board technical field, concretely is a kind of high integration PCBA circuit board structure. BACKGROUND
[0002] The component part of high integration PCBA circuit board includes printed circuit board (PCB), electronic component, connecting circuit and welding material, PCB is foundation, carries all components and provides electrical connection;Electronic component such as capacitor, resistance and integrated circuit etc. complete complex circuit task together;Connecting circuit connects component and PCB by welding;Welding material such as tin paste ensures reliable connection, nowadays integrated PCBA circuit board is installed and fixed in shell, mostly by screw directly fixed, directly using screw fixed is relatively convenient, but when the screw tightening force is larger, integrated PCBA circuit board is easily extruded between shell and screw, to cause damage to integrated PCBA circuit board, for the above situation, technical innovation is carried out on the basis of existing high integration PCBA circuit board structure. SUMMARY
[0003] The utility model is to provide a kind of high integration PCBA circuit board structure, to solve the problem raised in the above background technique.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of high integration PCBA circuit board structure, comprising:
[0005] Integrated PCBA circuit board, the top of the integrated PCBA circuit board is uniformly penetrated and is provided with a through hole, a support column is arranged in the through hole, a counterbore is penetrated and arranged at the top of the support column, a square groove is arranged at the top of the support column, a square column is arranged in the square groove, a spring is arranged at the bottom of the square column, a cover plate is placed at the top of the square column, a cross-shaped pressing block is arranged at the bottom of the cover plate, the cross-shaped pressing block is arranged in the counterbore, a connecting hole is arranged at the top of the square column, an annular limiting groove is arranged on the inner side wall of the connecting hole, a rotating shaft is arranged at the right side of the bottom of the cover plate, a connecting ring is arranged on the outer ring of the rotating shaft, the rotating shaft is arranged in the connecting hole, the connecting ring is arranged in the annular limiting groove, a group of pull grooves are arranged on the left and right sides of the cover plate.
[0006] Preferably, the bottom of the spring is fixedly arranged on the inner side wall bottom of the square groove, and the cover plate is located at the top of the support column.
[0007] Preferably, the outer side wall of the square column is attached to the inner side wall of the square groove of the support column, and the outer side wall of the cross-shaped pressing block is attached to the inner side wall of the counterbore of the support column.
[0008] Preferably, the top horizontal plane height of the support column is higher than the top horizontal plane height of the printed circuit board in the integrated PCBA circuit board.
[0009] Preferably, the bottom horizontal plane height of the support column is lower than the bottom horizontal plane height of the printed circuit board in the integrated PCBA circuit board.
[0010] Preferably, the outer circle of the support column is uniformly provided with two sets of limiting rings, and the printed circuit board in the integrated PCBA circuit board is arranged between the two sets of limiting rings.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] The utility model discloses a screw is screwed with the threaded hole of external casing after the penetration of the counterbore, and the support column can prevent the screw and external casing from directly contacting the integrated PCBA circuit board, prevent the integrated PCBA circuit board from being damaged by extrusion between the screw and external casing, and the two sets of limiting rings can make the support column more stably fixed in the through hole of the integrated PCBA circuit board, thereby improving the support stability of the support column to the integrated PCBA circuit board.
[0013] When the integrated PCBA circuit board is fixed in the external casing by the screw, the cover plate and the cross-shaped pressing block are reset, the spring drives the cross-shaped pressing block downward to extrude the screw by using the elastic force, and the screw is limited, so that the screw loosening is prevented, and the stability of the integrated PCBA circuit board fixed in the external casing is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the utility model high integrated PCBA circuit board structure.
[0015] Figure 2 It is a front face partial sectional view of the utility model high integrated PCBA circuit board structure.
[0016] Figure 3 It is the A part enlarged view of the utility model. Figure 2
[0017] In the drawing: 1, integrated PCBA circuit board, 2, support column, 21, limiting ring, 22, cover plate, 23, square column, 24, spring, 25, cross-shaped pressing block, 26, pivot, 27, connecting ring. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0019] Please refer to Figures 1-3 The utility model provides a high integration PCBA circuit board structure, including integrated PCBA circuit board 1, the top of integrated PCBA circuit board 1 is evenly passed through and is seted up with through -hole, is fixed with support column 2 in through -hole, the top of support column 2 is passed through and is seted up with counterbore, the counterbore of support column 2 is aligned with the threaded hole of external shell, uses screw to pass through counterbore and is screwed with threaded hole, to this fixed integrated PCBA circuit board 1 in external shell, can prevent screw and external shell directly with integrated PCBA circuit board 1 contact through support column 2, prevent integrated PCBA circuit board 1 extrusion between screw and external shell and produce damage, the top of support column 2 is seted up with square slot, square column 23 is slidably arranged in square slot, spring 24 is fixedly arranged in the bottom of square column 23, the top of square column 23 is placed with cover plate 22, cross -shaped pressing piece 25 is fixedly arranged in the bottom of cover plate 22, cross -shaped pressing piece 25 is slidably arranged in counterbore, the top of square column 23 is seted up with connecting hole, the inner side wall of connecting hole is seted up with annular limit slot, hinge shaft 26 is fixedly arranged in the right side of the bottom of cover plate 22, connecting ring 27 is fixedly arranged in the outer ring of hinge shaft 26, hinge shaft 26 is rotatably arranged in connecting hole, connecting ring 27 is rotatably arranged in annular limit slot, a group of pull grooves are seted up in the left and right sides of cover plate 22, move cover plate 22 upwards through pull groove, to this drive cross -shaped pressing piece 25 upwards and separate with support column 2, at this time, when moving upwards cover plate 22, will drive square column 23 upwards through the connecting ring 27 of hinge shaft 26 outer ring, drive spring 24 through square column 23 stretch, when cross -shaped pressing piece 25 separates with support column 2, can rotate cover plate 22 around hinge shaft 26 under the auxiliary of connecting ring 27, further drive cross -shaped pressing piece 25 and support column 2 to dislocate, to this open the counterbore of support column 2.
[0020] The bottom of the spring 24 is fixedly arranged at the bottom of the inner side wall of the square groove, the cover plate 22 is located at the top of the support column 2, the outer side wall of the square column 23 is matched with the inner side wall of the square groove of the support column 2, the outer side wall of the cross-shaped pressing block 25 is matched with the inner side wall of the counterbore of the support column 2, the top horizontal height of the support column 2 is higher than the top horizontal height of the printed circuit board in the integrated PCBA circuit board 1, the bottom horizontal height of the support column 2 is lower than the bottom horizontal height of the printed circuit board in the integrated PCBA circuit board 1, the outer circle of the support column 2 is uniformly and fixedly provided with two groups of limiting rings 21, the printed circuit board in the integrated PCBA circuit board 1 is fixedly arranged between the two groups of limiting rings 21, and the support column 2 can be more stably fixed in the through hole of the integrated PCBA circuit board 1 through the two groups of limiting rings 21, so that the support stability of the support column 2 to the integrated PCBA circuit board 1 is improved.
[0021] Working principle: the cover plate 22 is moved upward through the pull groove, so as to drive the cross-shaped pressing block 25 to move upward and separate from the support column 2, at this time, when the cover plate 22 moves upward, the square column 23 is pulled upward through the connecting ring 27 of the outer circle of the rotating shaft 26, the spring 24 is stretched through the square column 23, when the cross-shaped pressing block 25 separates from the support column 2, the cover plate 22 can be rotated around the rotating shaft 26 under the assistance of the connecting ring 27, so as to drive the cross-shaped pressing block 25 to be dislocated with the support column 2, so as to open the counterbore of the support column 2, align the counterbore of the support column 2 with the threaded hole of the external shell, use the screw to penetrate the counterbore and be screwed with the threaded hole, so as to fix the integrated PCBA circuit board 1 in the external shell, the screw and the external shell can be prevented from directly contacting the integrated PCBA circuit board 1 through the support column 2, and the integrated PCBA circuit board 1 can be prevented from being damaged due to extrusion between the screw and the external shell, after the integrated PCBA circuit board 1 is fixed in the external shell through the screw, the cover plate 22 and the cross-shaped pressing block 25 are reset, so as to drive the cross-shaped pressing block 25 to be inserted back into the counterbore of the support column 2 through the spring 24, the cross-shaped pressing block 25 is inserted into the cross-shaped groove at the top of the screw in the counterbore, the cross-shaped pressing block 25 is pressed downward through the spring 24, and the screw is limited, so as to prevent the screw from loosening, so as to improve the stability of the integrated PCBA circuit board 1 fixed in the external shell, the support column 2 can be more stably fixed in the through hole of the integrated PCBA circuit board 1 through the two groups of limiting rings 21, so that the support stability of the support column 2 to the integrated PCBA circuit board 1 is improved.
Claims
1. A high integration PCBA circuit board structure, characterized in that, Include: Integrated PCBA circuit board (1), the top of the integrated PCBA circuit board (1) is uniformly provided with a through hole, the through hole is provided with a support column (2), the top of the support column (2) is provided with a counterbore, the top of the support column (2) is provided with a square groove, the square groove is provided with a square column (23), the bottom of the square column (23) is provided with a spring (24), the top of the square column (23) is placed with a cover plate (22), the bottom of the cover plate (22) is provided with a cross-shaped pressing block (25), the cross-shaped pressing block (25) is arranged in the counterbore, the top of the square column (23) is provided with a connecting hole, the inner side wall of the connecting hole is provided with an annular limiting groove, the bottom right side of the cover plate (22) is provided with a rotating shaft (26), the outer ring of the rotating shaft (26) is provided with a connecting ring (27), the rotating shaft (26) is arranged in the connecting hole, the connecting ring (27) is arranged in the annular limiting groove, and the left and right sides of the cover plate (22) are provided with a group of pull grooves.
2. The high integration PCBA circuit board structure according to claim 1, characterized in that: The bottom of the spring (24) is fixedly arranged on the inner side wall of the square groove, and the cover plate (22) is located on the top of the support column (2).
3. The high integration PCBA circuit board structure according to claim 1, characterized in that: The outer side wall of the square column (23) is fitted with the inner side wall of the square groove of the support column (2), and the outer side wall of the cross-shaped pressing block (25) is fitted with the inner side wall of the counterbore of the support column (2).
4. The high integration PCBA circuit board structure according to claim 1, characterized in that: The top horizontal height of the support column (2) is higher than the top horizontal height of the printed circuit board in the integrated PCBA circuit board (1).
5. The high integration PCBA circuit board structure according to claim 4, characterized in that: The bottom horizontal height of the support column (2) is lower than the bottom horizontal height of the printed circuit board in the integrated PCBA circuit board (1).
6. The high integration PCBA circuit board structure according to claim 1, characterized in that: The outer ring of the support column (2) is uniformly provided with two groups of limiting rings (21), and the printed circuit board in the integrated PCBA circuit board (1) is arranged between the two groups of limiting rings (21).