A fixing support for installing a PCB inside a case

Abstract

This utility model relates to the field of PCB board support technology, specifically a fixing bracket for mounting PCB boards inside a chassis. It includes a bracket plate with screw-hole lugs fixedly connected to both sides of its bottom. A fixed mounting bracket is fixedly connected to the front left side of the bracket plate, and a movable mounting bracket is slidably connected to the front right side. An adjustment mechanism is provided on the inner right side of the bracket plate, and a bottom support mechanism is provided at the bottom of the bracket plate. This utility model allows the position of the movable mounting bracket to be adjusted according to the width of the PCB board via the adjustment mechanism, facilitating the mounting of PCB boards of different widths with the fixed mounting bracket. Simultaneously, the bottom support mechanism stably supports the bottom of the PCB board, effectively preventing excessive stress and deformation at the threaded joints of the PCB board, thus improving the adjustability and stability of the device.

Description

Technical Field

[0001] This utility model relates to the field of PCB board support technology, specifically a fixing bracket for mounting PCB boards inside a chassis. Background Technology

[0002] In modern electronic devices, printed circuit boards (PCBs) serve as the support for electronic components and a crucial carrier for electrical connections, making their importance self-evident. With the rapid development of technology, various electronic devices are constantly upgrading in terms of performance, functionality, size, and portability. This places extremely stringent requirements on the installation and fixation of PCBs inside the chassis, thus presenting numerous challenges and innovation needs for the mounting brackets used to install PCBs inside the chassis.

[0003] Existing devices primarily use stud structures to position and assemble PCB boards. Many existing technologies resemble sheet metal brackets for parallel fixing of PCB boards. The structure disclosed in CN210519241U includes a bracket body with two opposing end faces, designated as a first fixing surface and a second fixing surface. Multiple fixing through holes are provided along the same axis of the bracket body's end faces. Multiple male and female studs and multiple press-fit studs are respectively disposed on the first and second fixing surfaces, with each pair of male and female studs and press-fit studs corresponding to one fixing through hole. This sheet metal bracket reduces the number of brackets used, thereby saving on material costs. However, there are still areas for optimization in this device.

[0004] Existing devices primarily rely on components such as fixed studs for alignment and assembly, making it difficult to adjust certain mounting points and limiting their compatibility with PCBs of varying widths. Furthermore, some devices use multiple sets of bolts to vertically fix the PCB, making it difficult to stably support the bottom of the PCB using a support structure. This can lead to excessive stress and deformation at the threaded joints of the PCB, reducing its efficiency and usability. Therefore, to address these issues, a mounting bracket for PCBs inside a chassis is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a fixing bracket for mounting PCB boards inside a chassis, in order to solve the problem mentioned in the background art that some devices in the prior art are difficult to adjust the mounting points, resulting in some devices being unable to adapt to PCB boards of different widths. At the same time, some devices are unable to stably support the bottom of the PCB board through the structure of the support platform, resulting in the PCB board's threaded joints being easily deformed due to excessive force.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a fixing bracket for mounting a PCB board inside a chassis, comprising a bracket plate, screw holes and lugs fixedly connected to both sides of the bottom of the bracket plate, and a fixing plate fixedly connected to the front left side of the bracket plate;

[0007] A movable card platform is slidably connected to the front right side of the support plate, an adjustment mechanism is provided on the inner right side of the support plate, and a bottom support mechanism is provided below the support plate.

[0008] Preferably, the adjusting mechanism includes a lead screw, the left end of which is movably connected to the inside right side of the support plate, and the right end of which passes through the support plate and is fixedly connected to a first toggle cap.

[0009] Preferably, a threaded sleeve is threaded to the middle of the outer wall of the lead screw, and the front side of the outer wall of the threaded sleeve is fixedly connected to the middle of the rear side of the movable clamping platform.

[0010] Preferably, a T-shaped slider is fixedly connected to the upper rear side of the movable card platform, and a groove corresponding to the T-shaped slider is provided on the top right side of the support plate.

[0011] Preferably, the bottom support mechanism includes a rotating rod, the top end of which is movably connected to both sides of the bottom of the support plate, and the bottom end of which is fixedly connected to a support platform.

[0012] Preferably, a traction rod is movably connected to the middle of the outer wall of the rotating rod, a lifting block is movably connected to the top of the pair of traction rods, a lifting screw is fixedly connected to the middle of the top of the lifting block, and the upper part of the lifting screw is inserted into the middle of the support plate.

[0013] Preferably, a movable screw is threaded into the upper part of the inner wall of the lifting screw cylinder, the top end of the movable screw passes through the bracket plate and is fixedly connected to a second twist cap, and a limiting hole corresponding to the movable screw is opened in the middle of the top of the bracket plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model can drive the movable card platform to slide by adjusting the mechanism, so that the position of the movable card platform can be adjusted according to the width of the PCB board. This makes it easy to fix the card platform to be used with PCB boards of different widths, thus improving the adjustability and practicality of the device.

[0016] 2. This utility model uses a bottom support mechanism to drive the rotating rod and the support platform to rotate symmetrically, so that a pair of support platforms can stably support the bottom of the PCB board, effectively preventing the PCB board from being deformed due to excessive force at the threaded joints, thus improving the stability and practicality of the device. Attached Figure Description

[0017] Figure 1 This is a front side perspective view of the structure of this utility model;

[0018] Figure 2 This is a frontal sectional perspective view of the structure of this utility model;

[0019] Figure 3 This is a front sectional perspective view of a portion of the support plate and adjustment mechanism of this utility model;

[0020] Figure 4 This is a partial front side perspective view of the support plate and bottom support mechanism of this utility model;

[0021] Figure 5 This is a partial side sectional perspective view of the support plate and bottom support mechanism of this utility model.

[0022] In the diagram: 11. Support plate; 12. Screw hole lug; 13. Fixed clamping platform; 14. Movable clamping platform; 15. Rotating rod; 16. Support platform; 2. Adjustment mechanism; 21. Lead screw; 22. First twist cover; 23. Screw sleeve; 24. T-shaped slider; 25. Slide groove; 3. Bottom support mechanism; 31. Traction rod; 32. Lifting block; 33. Lifting screw cylinder; 34. Movable screw; 35. Second twist cover. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-5 One embodiment provided by this utility model:

[0025] A mounting bracket for mounting a PCB board inside a chassis includes a bracket plate 11, with screw holes and lugs 12 fixedly connected to both sides of the bottom of the bracket plate 11, and a mounting bracket 13 fixedly connected to the front left side of the bracket plate 11.

[0026] A movable card table 14 is slidably connected to the front right side of the support plate 11, an adjustment mechanism 2 is provided on the inner right side of the support plate 11, and a bottom support mechanism 3 is provided below the support plate 11.

[0027] The adjusting mechanism 2 includes a lead screw 21. The left end of the lead screw 21 is movably connected to the inside right side of the support plate 11, and the right end of the lead screw 21 passes through the support plate 11 and is fixedly connected to a first twist cap 22. This design allows the first twist cap 22 to drive the lead screw 21 to rotate in a limited position. A threaded sleeve 23 is threaded to the middle of the outer wall of the lead screw 21, and the front side of the outer wall of the sleeve 23 is fixedly connected to the middle of the rear side of the movable clamping platform 14. This design allows the lead screw 21 to drive the movable clamping platform 14 to slide left and right. A T-shaped slider 24 is fixedly connected to the upper rear side of the movable clamping platform 14, and a groove 25 corresponding to the T-shaped slider 24 is provided on the top right side of the support plate 11. This design allows the movable clamping platform 14 to drive the T-shaped slider 24 to slide left and right within the groove 25.

[0028] The bottom support mechanism 3 includes a rotating rod 15, the top of which is movably connected to both sides of the bottom of the support plate 11, and a support platform 16 is fixedly connected to the bottom of the rotating rod 15. This design allows the rotating rod 15 to drive the support platform 16 to rotate in a limited position, enabling the pair of support platforms 16 to stably support the bottom of the PCB board. A traction rod 31 is movably connected to the middle of the outer wall of the rotating rod 15, and a lifting block 32 is movably connected to the top of the pair of traction rods 31. A lifting screw cylinder 33 is fixedly connected to the middle of the top of the lifting block 32, and the upper part of the lifting screw cylinder 33 is inserted into the middle of the support plate 11. This design allows the lifting screw cylinder 33 to drive the pair of rotating rods 15 to rotate symmetrically through the lifting block 32 and the pair of traction rods 31. A movable screw 34 is threaded into the upper part of the inner wall of the lifting screw cylinder 33. The top of the movable screw 34 passes through the support plate 11 and is fixedly connected to a second twist cap 35. A limiting hole corresponding to the movable screw 34 is opened in the middle of the top of the support plate 11. This design enables the second twist cap 35 to drive the movable screw 34 to rotate in a limited position, thereby allowing the movable screw 34 to drive the lifting screw cylinder 33 to slide up and down.

[0029] Working principle: When it is necessary to adjust the movable clamping platform 14, firstly, the first twist cover 22 is manually rotated. The first twist cover 22 drives the lead screw 21 to rotate to a limit. The lead screw 21 drives the lead sleeve 23 to slide left and right. The lead sleeve 23 drives the movable clamping platform 14 to rotate synchronously. The movable clamping platform 14 drives the T-shaped slider 24 to slide to a limit in the slide groove 25, thus realizing the adjustment operation of the movable clamping platform 14.

[0030] When it is necessary to support the bottom of the PCB board, firstly, the second twist cover 35 is manually rotated. The second twist cover 35 drives the movable screw 34 to rotate to a limit position. The movable screw 34 drives the lifting screw cylinder 33 to slide up and down. The lifting screw cylinder 33 drives the top of the lifting block 32 and the traction rod 31 to slide synchronously. The bottom of the traction rod 31 drives the rotating rod 15 to rotate to a limit position. The rotating rod 15 drives the support platform 16 to rotate synchronously, so that the pair of support platforms 16 can stably support the bottom of the PCB board. The lifting block 32 realizes the bottom support operation of the PCB board, and the operation ends here.

[0031] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A mounting bracket for PCB boards inside a chassis, comprising a bracket plate (11), characterized in that: The bottom sides of the support plate (11) are fixedly connected with screw hole lugs (12), and the front left side of the support plate (11) is fixedly connected with a fixing plate (13). A movable card platform (14) is slidably connected to the front right side of the support plate (11), an adjustment mechanism (2) is provided on the inner right side of the support plate (11), and a bottom support mechanism (3) is provided below the support plate (11).

2. The mounting bracket for PCB board inside a chassis according to claim 1, characterized in that: The adjustment mechanism (2) includes a lead screw (21), the left end of which is movably connected to the inside right side of the support plate (11), and the right end of which passes through the support plate (11) and is fixedly connected to a first twist cap (22).

3. The mounting bracket for PCB board inside a chassis according to claim 2, characterized in that: The lead screw (21) is threaded with a sleeve (23) at the middle of its outer wall, and the front side of the outer wall of the sleeve (23) is fixedly connected to the middle of the rear side of the movable clamp (14).

4. The mounting bracket for PCB board inside a chassis according to claim 3, characterized in that: A T-shaped slider (24) is fixedly connected to the upper rear side of the movable card platform (14), and a groove (25) corresponding to the T-shaped slider (24) is opened on the top right side of the support plate (11).

5. A mounting bracket for PCB board inside a chassis according to claim 1, characterized in that: The bottom support mechanism (3) includes a rotating rod (15), the top end of which is movably connected to both sides of the bottom of the support plate (11), and the bottom end of which is fixedly connected to a support platform (16).

6. A mounting bracket for PCB board installation inside a chassis according to claim 5, characterized in that: A traction rod (31) is movably connected to the middle of the outer wall of the rotating rod (15). A lifting block (32) is movably connected to the top of a pair of traction rods (31). A lifting screw (33) is fixedly connected to the middle of the top of the lifting block (32). The upper part of the lifting screw (33) is inserted into the middle of the support plate (11).

7. A mounting bracket for PCB board installation inside a chassis according to claim 6, characterized in that: The inner wall of the lifting screw cylinder (33) is threaded with a movable screw (34). The top end of the movable screw (34) passes through the bracket plate (11) and is fixedly connected to a second twist cap (35). The top center of the bracket plate (11) is provided with a limiting hole corresponding to the movable screw (34).

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