A car audio PCB board quick fixing structure
By designing a PCB board fast fixing structure including a mounting base, mounting groove and chute combination mechanism in the automotive audio, the time-consuming and laborious installation and disassembly of PCB boards in the prior art is solved, and the effect of facilitating disassembly and assembly and improving work efficiency is achieved, and safety and practicality are improved.
Patent Information
- Application Number
- CN202420577830.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-03-25
AI Technical Summary
In existing car audio, the screw connection method of the PCB board is time-consuming and labor-intensive during installation and post-maintenance, and is inconvenient for disassembly, which reduces work efficiency.
A quick fixing structure for the automotive audio PCB board is designed. By setting up a mounting seat and mounting groove on the audio housing, and using a combination mechanism of slide grooves, L-shaped plates, limiting rods and springs, the PCB board is quickly mounted and disassembled.
This structure enables the convenience of disassembly and assembly of PCB boards, improves work efficiency, enhances practicality, and improves safety and convenience of use through the optimization of insulating pads, chamfered structures and insulating materials.
Smart Images

Figure CN222736441U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a technical field, in particular to a car audio PCB board quick fixing structure. Background Art
[0002] Car audio is a device for receiving and playing audio to relieve the boredom of drivers and passengers during travel. The earliest car audio system was AM radio, followed by AM / FM radio and tape player, and then CD player and compatible DCC and DAT digital audio system. In order to make electrical interconnection between various components, it is necessary to install PCB board in car audio system. PCB board is an important electronic component, a support for electronic components and a carrier for electrical connection of electronic components. However, most of the PCB boards used in car audio are fixed to the specified position inside the car audio housing with screws. This method is time-consuming and labor-intensive to install, and it is not convenient to disassemble during later maintenance, which reduces work efficiency and leads to poor practicality. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In order to solve the above technical problems, the utility model provides a car audio PCB board quick fixing structure which is easy to disassemble and assemble, improves work efficiency and enhances practicality.
[0005] (II) Technical solution
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a car audio PCB board quick fixing structure, comprising an audio shell, a mounting seat is provided on the audio shell, a mounting seat is provided with a mounting groove, a PCB board body is provided in the mounting groove, the mounting mechanism comprises a mounting frame, a sliding groove is provided on the mounting seat, an L-shaped plate is slidably installed in the sliding groove, a limit rod is fixedly installed in the sliding groove, a limit hole is provided on the L-shaped plate, the limit hole is slidably connected to the limit rod, the L-shaped plate is connected to the inner wall of one side of the sliding groove by a spring, the mounting frame is slidably installed on the mounting seat, a first through hole is provided on the mounting frame, and the L-shaped plate is inserted into the first through hole.
[0007] By adopting the above technical solution, the PCB board body is placed in the installation groove on the installation seat, the installation frame is slidably installed on the installation seat, and the L-shaped plate is pushed to the left, and the L-shaped plate squeezes the spring. When the first through hole on the installation frame moves to the slide groove, the L-shaped plate is released, and the L-shaped plate is reset and extended into the first through hole under the elastic force of the spring, and the installation frame is limited and fixed. The installation frame contacts the PCB board body and is quickly installed on the installation seat. When disassembling, the L-shaped plate is pushed to the left to release the limit of the L-shaped plate on the installation frame. After the installation frame is removed, the PCB board body in the installation groove can be taken out. The steps are simple, and the process realizes a process that is easy to disassemble and assemble, improves work efficiency, and thus enhances practicality.
[0008] Preferably, an insulating pad is provided in the mounting groove, and the top end of the insulating pad is fitted with the bottom end of the PCB board body.
[0009] By adopting the above technical solution, the insulating pad can prevent the PCB board body from directly contacting the mounting seat, thereby enhancing safety.
[0010] Preferably, a chamfer structure is provided on the mounting groove.
[0011] By adopting the above technical solution, the chamfered structure can make the PCB board body better placed in the installation groove, thereby enhancing practicality.
[0012] Preferably, grooves are formed at both ends of the mounting groove.
[0013] By adopting the above technical solution, the PCB board body can be taken out better by inserting fingers into the groove, thereby enhancing the convenience of use.
[0014] Preferably, the mounting frame is made of insulating material.
[0015] By adopting the above technical solution, the insulating material can prevent the installation frame from generating electrical connection after contacting the PCB board body, thereby enhancing safety.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the present application provides a car audio PCB board quick fixing structure, which has the following beneficial effects:
[0018] Put the PCB board body into the installation groove on the installation seat, slide the installation frame onto the installation seat, push the L-shaped plate to the left, the L-shaped plate squeezes the spring, when the first through hole on the installation frame moves to the slide groove, release the L-shaped plate, the L-shaped plate resets and extends into the first through hole under the elastic force of the spring, the installation frame is limited and fixed, the installation frame contacts the PCB board body, and it is quickly installed onto the installation seat, when disassembling, push the L-shaped plate to the left, release the limit of the L-shaped plate on the installation frame, remove the installation frame, and then take out the PCB board body in the installation groove, the steps are simple, the process realizes the process of easy disassembly and assembly, improves work efficiency, and thus enhances practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the shaft side structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the axial side cross-sectional structure of the utility model;
[0021] Figure 3 It is a schematic diagram of the main cross-sectional structure of the utility model;
[0022] Figure 4 The utility model Figure 3 Schematic diagram of the enlarged structure of A.
[0023] Markings in the attached drawings: 1. audio housing; 2. mounting base; 3. PCB board body; 4. mounting frame; 5. L-shaped plate; 6. limiting rod; 7. spring; 8. first through hole; 9. insulating pad; 10. chamfered structure; 11. groove. DETAILED DESCRIPTION
[0024] Example
[0025] See also Figure 1-Figure 4 A car audio PCB board quick fixing structure comprises an audio shell 1, a mounting seat 2 is arranged on the audio shell 1, a mounting slot is provided on the mounting seat 2, a PCB board body 3 is arranged in the mounting slot, a mounting mechanism comprises a mounting frame 4, a slide slot is provided on the mounting seat 2, an L-shaped plate 5 is slidably installed in the slide slot, a limit rod 6 is fixedly installed in the slide slot, a limit hole is provided on the L-shaped plate 5, the limit hole is slidably connected to the limit rod 6, the L-shaped plate 5 is connected to the inner wall of one side of the slide slot through a spring 7, the mounting frame 4 is slidably installed on the mounting seat 2, a first through hole 8 is provided on the mounting frame 4, the L-shaped plate 5 is inserted into the first through hole 8, the mounting frame 4 is made of insulating material, and the insulating material can prevent the mounting frame 4 from generating electrical connection after contacting with the PCB board body 3, and the mounting frame 4 is made of insulating material. The PCB board body 3 is placed in the mounting groove on the mounting seat 2, the mounting frame 4 is slidably installed on the mounting seat 2, and the L-shaped plate 5 is pushed to the left, and the L-shaped plate 5 squeezes the spring 7. When the first through hole 8 on the mounting frame 4 moves to the slide groove, the L-shaped plate 5 is released, and the L-shaped plate 5 is reset and extended into the first through hole 8 under the elastic force of the spring 7, and the mounting frame 4 is limited and fixed. The mounting frame 4 contacts the PCB board body 3 and is quickly installed on the mounting seat 2. When disassembling, the L-shaped plate 5 is pushed to the left to release the limit of the L-shaped plate 5 on the mounting frame 4. After the mounting frame 4 is removed, the PCB board body 3 in the mounting groove can be taken out. The steps are simple, and the process realizes a process that is easy to disassemble and assemble, improves work efficiency, and thus enhances practicality.
[0026] See also Figure 2 and Figure 3 An insulating pad 9 is arranged in the mounting groove, and the top of the insulating pad 9 is in contact with the bottom of the PCB board body 3. The insulating pad 9 can prevent the PCB board body 3 from directly contacting the mounting seat 2, thereby enhancing safety.
[0027] See also Figure 1-Figure 3 A chamfered structure 10 is provided on the mounting groove, and the chamfered structure 10 can make the PCB board body 3 better placed in the mounting groove. Grooves 11 are provided at both ends of the mounting groove. The PCB board body 3 can be better taken out by inserting fingers into the grooves 11, thereby enhancing practicality.
[0028] The utility model discloses a car audio PCB board quick fixing structure. When working, the PCB board body 3 is put into the installation groove on the installation seat 2, the installation frame 4 is slidably installed on the installation seat 2, and the L-shaped plate 5 is pushed to the left. The L-shaped plate 5 squeezes the spring 7. When the first through hole 8 on the installation frame 4 moves to the slide groove, the L-shaped plate 5 is released. The L-shaped plate 5 is reset and extends into the first through hole 8 under the elastic force of the spring 7, and the installation frame 4 is limited and fixed. The installation frame 4 contacts the PCB board body 3 and is quickly installed on the installation seat 2. When disassembling, the L-shaped plate 5 is pushed to the left to release the limit of the L-shaped plate 5 on the installation frame 4. After the installation frame 4 is removed, the PCB board body 3 in the installation groove can be taken out. The steps are simple, and the process realizes the process of easy disassembly and assembly, improves the work efficiency, and thus enhances the practicality.
[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A car audio PCB fast fixing structure, comprising an audio housing (1), a mounting seat (2) being arranged on the audio housing (1), a mounting groove being provided on the mounting seat (2), a PCB body (3) being arranged in the mounting groove, characterized in that , also includes: The mounting mechanism comprises a mounting frame (4), a sliding groove is provided on the mounting seat (2), an L-shaped plate (5) is slidably installed in the sliding groove, a limiting rod (6) is fixedly installed in the sliding groove, a limiting hole is provided on the L-shaped plate (5), the limiting hole is slidably connected to the limiting rod (6), the L-shaped plate (5) is connected to the inner wall of one side of the sliding groove through a spring (7), the mounting frame (4) is slidably installed on the mounting seat (2), a first through hole (8) is provided on the mounting frame (4), and the L-shaped plate (5) is inserted into the first through hole (8).
2. A car audio PCB fast fixing structure as claimed in claim 1, characterized in that: An insulating pad (9) is arranged in the installation groove, and the top end of the insulating pad (9) is in contact with the bottom end of the PCB board body (3).
3. A car audio PCB fast fixing structure as claimed in claim 2, characterized in that: The installation groove is provided with a chamfer structure (10).
4. A car audio PCB fast fixing structure as claimed in claim 3, characterized in that: Grooves (11) are provided at both ends of the installation groove.
5. A car audio PCB fast fixing structure as claimed in claim 4, characterized in that: The installation frame (4) is made of insulating material.