Microphone circuit board and key panel fixing device

The design of snap-fit, channel, and fixing post solves the problems of cumbersome installation and instability caused by traditional screw fixing methods, enabling rapid assembly and stable connection of microphone components, improving production efficiency and user experience.

CN223729872UActive Publication Date: 2025-12-26ENPING DINGZHENG ELECTROACOUSTIC TECH CO LTD
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Patent Information

Application Number
CN202520124597.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-26
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In traditional microphones, the circuit board and button panel are fixed with screws, which makes the installation process cumbersome, time-consuming, and increases labor costs, affecting production efficiency and aesthetics, and is prone to component loosening and noise problems.

Method used

The design employs snap-fit, slot, fixing post, and horn-shaped display window to achieve quick assembly and fixation of circuit board and button panel, eliminating the need for screws and tools, and ensuring stability through the cooperation of snap-fit ​​and locking.

Benefits of technology

It simplifies the installation process, improves production efficiency, reduces labor costs, ensures the stability and aesthetics of components, reduces maintenance needs, and enhances the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of microphone production, and discloses a microphone circuit board and key panel fixing device, which comprises an upper pipe body, a key fixing panel, a display screen decorative plate and a circuit board, and is characterized in that the upper pipe body is provided with a clamping port positioned at the upper half section of the upper pipe body and a channel positioned at the lower half section of the upper pipe body; the key fixing panel and the display screen decorating plate are buckled together to form a whole and then are clamped and assembled in the clamping opening; and the circuit board is arranged in the channel, is fixedly clamped by the clamping positions arranged at the two sides of the channel and is prevented from moving left and right. The circuit board, the key fixing panel and the display screen decorating plate are quickly assembled and fixed through a series of buckles, channels and fixing columns which are matched with one another, the mounting process is simplified, fixing tools such as screws are avoided, and mounting is simpler and quicker. According to the design of rapid assembly, the labor cost can be remarkably saved in batch production, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to microphone production technical field, concretely relates to a microphone circuit board and button panel fixing device. BACKGROUND

[0002] In the production and manufacture of microphones, the fixing of the circuit board and the button panel is a key assembly step. In traditional microphone designs, the circuit board and the button panel are usually fixed on the upper tube body by screws. Although this fixing method can ensure the stability of the components, the installation process is relatively cumbersome, and tools such as screwdrivers are required, which not only consumes time but also increases labor costs in mass production. In addition, screw fixing may also cause the appearance to be untidy, affecting the aesthetic appearance of the product.

[0003] In the prior art, the circuit board and the button panel are fixed by screws, which requires tightening the screws one by one, resulting in low installation efficiency and being unsuitable for rapid assembly requirements, especially in large-scale production environments, which can lead to a decrease in production efficiency. Screw fixing makes the disassembly and maintenance of the components complex, increasing maintenance costs and time. If the battery needs to be replaced or repaired, the screws need to be removed first. The screw heads exposed outside may affect the overall aesthetic appearance of the product, causing a poor visual experience for consumers. Screws may loosen over time, causing a decrease in component stability and even problems such as noise or poor contact. Screw fixing may result in inaccurate component positioning due to assembly errors, affecting product performance and user experience. Screw fixing requires additional tools such as screws and screwdrivers, increasing material and production costs.

[0004] Therefore, the proposed microphone circuit board and button panel fixing device provides a more efficient, simple, and cost-effective fixing method through the design of buckles, channels, fixing columns, and horn-shaped display windows, overcoming the above-mentioned deficiencies of the prior art. SUMMARY

[0005] The present invention aims to solve the technical problem of the above-mentioned prior art microphone design, in which the circuit board and the button panel are usually fixed on the upper tube body by screws. Although this fixing method can ensure the stability of the components, the installation process is relatively cumbersome, and tools such as screwdrivers are required, which not only consumes time but also increases labor costs in mass production.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a microphone circuit board and button panel fixing device, including upper tube body, button fixed panel, display screen decorative plate and circuit board, upper tube body is equipped with the mouth of clamping located its upper half segment and the channel located lower half segment, button fixed panel and display screen decorative plate are buckled together and form the whole and are assembled into the mouth of clamping, circuit board is installed into the channel and is fixed by the clamping of the clamping of both sides of channel and prevents circuit board from moving left and right.

[0008] As preferred, the upper tube body is provided with a first external thread connection part between the upper half segment and the lower half segment for thread connection with the lower shell, and the top of the upper tube body is provided with a second external thread connection part for thread connection with the mesh head. The first external thread connection part provides convenience for thread connection with the lower shell, and enhances the connection stability of the upper and lower structures. The second external thread connection part is thread connected with the mesh head, ensuring the structure of the top of the microphone is firm.

[0009] As preferred, the upper and lower ends of the display screen decorative plate are respectively provided with two decorative plate buckles, the upper and lower ends of the button fixed panel are respectively provided with buckle grooves matched with the decorative plate buckles, and the decorative plate buckles are buckled with the four decorative plate buckles on the inner side of the mouth of clamping after passing through the buckle grooves. The decorative plate buckles and the buckle grooves provide a quick and stable connection mode, avoiding the trouble of using screws.

[0010] As preferred, the center positions of the upper and lower ends of the button fixed panel are provided with two panel buckles, and the two panel buckles are buckled with the two panel buckles on the inner side of the mouth of clamping. The panel buckles at the center positions provide additional fixing points, increasing the stability of the button fixed panel.

[0011] As preferred, the circuit board is provided with two clamping holes matched with the fixing columns on the two battery blocking pieces for clamping positioning. The clamping holes on the circuit board are matched with the fixing columns of the battery blocking pieces, ensuring the accurate positioning of the circuit board in space.

[0012] As preferred, the lower half segment of the upper tube body is buckled with a protective sleeve shell on the inner side of the lower shell, the bottom ends of the protective sleeve shell are provided with convex buckle, and the convex buckle is buckled with the concave buckle groove on the lower half segment of the upper tube body. The protective sleeve shell provides additional protection to prevent internal components from being impacted or damaged.

[0013] As preferred, a straight slot is formed on the bottom wall of the lower half segment of the upper tube body, and the straight slot is matched with the protrusion on the bottom of the circuit board for plug-in positioning. The straight slot provides accurate positioning by matching with the protrusion on the bottom of the circuit board.

[0014] As preferred, the lower half segment of the upper tube body is provided with an assembly groove matched with the clamping positioning of the storage battery, and the two battery blocking pieces are inserted into the assembly groove. The assembly groove facilitates the installation and fixation of the storage battery.

[0015] As preferred, a positioning notch is arranged on the upper tube body and located on the second outer threaded connection part, which is matched with the microphone assembly for clamping positioning. The positioning notch provides accurate positioning of the microphone assembly, ensuring correct matching between the components.

[0016] As preferred, the bottom plane of the horn-shaped display window on the key fixing panel presses the circuit board and completely fixes the circuit board on the upper tube body to prevent the circuit board from moving up and down. The bottom plane of the horn-shaped display window on the key fixing panel presses the circuit board to prevent the circuit board from moving up and down. By pressing the circuit board, an additional fixing method is provided to ensure the stability of the circuit board to prevent it from moving up and down. The stability of the circuit board is ensured. It plays the role of free screwing and quick installation.

[0017] Compared with the prior art, the technical effects and advantages of the utility model are:

[0018] The microphone circuit board and key panel fixing device realize quick assembly and fixing of various components (circuit board, key fixing panel, display screen decorative plate) through a series of buckles, grooves, fixing columns and horn-shaped display windows. The circuit board is placed in the groove in the lower half of the upper tube body and is fixed by the clamping positions on both sides of the groove. At the same time, the fixing column of the battery stop sheet passes through the clamping hole on the groove and the circuit board for positioning. After the key fixing panel and the display screen decorative plate are buckled into a whole, they are clamped into the clamping opening in the upper half of the upper tube body and are fixed by combining the panel buckle with the buckle position of the upper tube body.

[0019] The bottom plane of the horn-shaped display window on the key fixing panel presses the circuit board to prevent the circuit board from moving up and down. By pressing the circuit board, an additional fixing method is provided to ensure the stability of the circuit board to prevent it from moving up and down. The stability of the circuit board is ensured. It plays the role of free screwing and quick installation.

[0020] The design of the microphone circuit board and key panel fixing device simplifies the installation process, avoids the use of screws and other fixing tools, and makes the installation more simple and quick. This quick assembly design can significantly save labor costs and improve production efficiency in mass production.

[0021] The microphone circuit board and key panel fixing device are firmly fixed, reducing the maintenance needs caused by looseness and the like, and facilitating the disassembly and reassembly of the components, providing convenience for later maintenance and upgrading. In addition, through accurate positioning and stable connection, the stability and reliability of the overall structure of the microphone are ensured, and the use experience of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2It is the first explosion drawing of the utility model;

[0024] Figure 3 It is the second explosion drawing of the utility model;

[0025] Figure 4 It is the first perspective view of the upper pipe body of the utility model;

[0026] Figure 5 It is the second perspective view of the upper pipe body of the utility model;

[0027] Figure 6 It is the first perspective view of the circuit board and microphone assembly of the utility model;

[0028] Figure 7 It is the second perspective view of the circuit board and microphone assembly of the utility model;

[0029] Figure 8 It is the first perspective view of the key fixing panel of the utility model;

[0030] Figure 9 It is the second perspective view of the key fixing panel of the utility model;

[0031] Figure 10 It is the first perspective view of the display screen decoration plate of the utility model;

[0032] Figure 11 It is the second perspective view of the display screen decoration plate of the utility model.

[0033] In the drawing: 1, upper pipe body; 2, clamping port; 3, channel; 4, key fixing panel; 5, display screen decoration plate; 6, circuit board; 7, clamping position; 8, lower shell; 9, first external thread connection part; 10, net head; 11, second external thread connection part; 12, decoration plate buckle; 13, buckle slot; 14, decoration plate buckle; 15, panel buckle; 16, panel buckle; 17, fixed column; 18, clamping hole; 19, protective sleeve; 20, convex position buckle; 21, concave position buckle; 22, straight slot; 23, convex block; 24, battery; 25, assembly groove; 26, microphone assembly; 27, positioning slot; 28, battery baffle; 29, loudspeaker type display window. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] The following will be combined withFigures 1-11 The application is further described in detail,

[0036] The application discloses a microphone circuit board and a key panel fixing device, which comprises an upper tube body 1, a key fixing panel 4, a display screen decorative plate 5 and a circuit board 6. The upper tube body 1 is provided with a clamping opening 2 located at the upper half and a groove 3 located at the lower half. The key fixing panel 4 and the display screen decorative plate 5 are clamped together to form an integral whole and are clamped into the clamping opening 2. The circuit board 6 is clamped into the groove 3 and is fixed by the clamping positions 7 provided at both sides of the groove 3 to prevent the circuit board 6 from moving left and right.

[0037] The upper and lower ends of the display screen decorative plate 5 are respectively provided with two decorative plate buckles 12, the upper and lower ends of the key fixing panel 4 are respectively provided with buckle grooves 13 matched with the decorative plate buckles 12, and the decorative plate buckles 12 are matched with four decorative plate buckles 14 at the upper and lower ends of the inner side of the clamping opening 2 after penetrating through the buckle grooves 13. The decorative plate buckles 12 and the buckle grooves 13 provide a quick and stable connection mode, avoiding the trouble of using screws. The installation and replacement of the display screen decorative plate 5 are facilitated, and the appearance is kept clean.

[0038] The central positions of the upper and lower ends of the key fixing panel 4 are provided with two panel buckles 15, and the two panel buckles 15 are matched with two panel buckles 16 at the upper and lower ends of the inner side of the clamping opening 2. The panel buckles 15 at the central positions provide additional fixing points, increasing the stability of the key fixing panel 4. Potential problems caused by loose panels, such as noise or poor contact, are reduced.

[0039] The circuit board 6 is provided with two clamping holes 18 matched with the fixing columns 17 on the two battery blocking pieces 28 for penetrating positioning. The clamping holes 18 on the circuit board 6 are matched with the fixing columns 17 of the battery blocking pieces 28 to ensure the accurate positioning of the circuit board 6 in space. The installation and replacement of the battery are facilitated, and the stability of the circuit board 6 is maintained.

[0040] The bottom of the horn-shaped display window 29 on the key fixing panel 4 presses the circuit board 6 and completely fixes the circuit board 6 on the upper tube body 1. The horn-shaped display window 29 provides an additional fixing mode by pressing the circuit board 6, ensuring the stability of the circuit board 6. The appearance and compactness of the overall structure are maintained.

[0041] The circuit board 6 is clamped into the groove 3, and then the clamping positions 7 at both sides of the groove 3 clamp the circuit board 6 to prevent the circuit board 6 from moving left and right. The circuit board 6 is provided with clamping holes 18, the fixing columns 17 of the battery blocking pieces 28 penetrate through the groove 3 and then the clamping holes 18 for positioning, and then the circuit board 6 is fixed to prevent the circuit board 6 from moving up, down, left and right. The circuit board 6 is preliminarily installed;

[0042] The upper tube body 1 is provided with a clamping opening 2 for installing the key fixed panel 4 and the display screen decoration plate 5. The key fixed panel 4 is installed in the clamping opening 2, and the panel buckle 15 buckles the panel buckle position 16 to fix the key fixed panel 4. The key fixed panel 4 is provided with a horn-shaped display window 29, and the bottom of the horn-shaped display window 29 presses the circuit board 6 to completely fix the circuit board 6 on the upper tube body 1. Then, the display screen is installed on the horn-shaped display window 29, and then the display screen decoration plate 5 is installed. The decoration plate buckle 12 of the display screen decoration plate 5 passes through the buckle slot 13 of the key fixed panel 4 and buckles the decoration plate buckle position 14 of the upper tube body 1 to buckle and fix the installation, and the key fixed panel 4 is fixed again to prevent loosening. The functions of the microphone circuit board and key panel fixing device and the panel fixing device are to avoid the trouble of screwing, easy installation, and save labor.

[0043] The upper tube body 1 is provided with a clamping opening 2 for installing the key fixed panel 4 and the display screen decoration plate 5. The key fixed panel 4 is installed in the clamping opening 2, and the panel buckle 15 buckles the panel buckle position 16 to fix the key fixed panel 4. The key fixed panel 4 is provided with a horn-shaped display window 29, and the bottom of the horn-shaped display window 29 presses the circuit board 6 to completely fix the circuit board 6 on the upper tube body 1. Then, the display screen is installed on the horn-shaped display window 29, and then the display screen decoration plate 5 is installed. The decoration plate buckle 12 of the display screen decoration plate 5 passes through the buckle slot 13 of the key fixed panel 4 and buckles the decoration plate buckle position 14 of the upper tube body 1 to buckle and fix the installation, and the key fixed panel 4 is fixed again to prevent loosening. The functions of the microphone circuit board and key panel fixing device and the panel fixing device are to avoid the trouble of screwing, easy installation, and save labor.

[0044] The lower half of the upper tube body 1 is buckled with the protective sleeve 19 on the inner side of the lower shell 8. The protective sleeve 19 is provided with convex buckle 20 on both sides of the bottom end, and the convex buckle 20 is buckled with the concave buckle slot 21 on the lower half of the upper tube body 1. The protective sleeve 19 provides additional protection to prevent internal components from being hit or damaged. The convex buckle 20 and the concave buckle slot 21 increase the reliability of the connection.

[0045] A straight slot 22 is provided on the bottom wall of the lower half of the upper tube body 1. The straight slot 22 is inserted and positioned with the protrusion 23 on the bottom of the circuit board. The straight slot 22 provides accurate positioning by cooperating with the protrusion 23 on the bottom of the circuit board. The installation process of the circuit board is simplified, and the position of the circuit board is ensured to be correct.

[0046] The lower half of the upper tube body 1 is provided with an assembly groove 25 for buckling and positioning with the battery 24, and two battery stop sheets 28 extend into the assembly groove 25. The assembly groove 25 facilitates the installation and fixation of the battery 24, ensuring the stability and safety of the battery. The battery replacement becomes more convenient.

[0047] A positioning slot 27 is provided on the upper tube body 1 and on the second externally threaded connecting portion 11, and is used to position the microphone assembly 26. The positioning slot 27 provides accurate positioning of the microphone assembly 26, ensuring correct assembly between components. This facilitates assembly and replacement of components.

[0048] The microphone circuit board and button panel fixing device is designed with a series of buckles, grooves 3 and fixing columns 17 that cooperate with each other to achieve quick assembly and fixing of the various components (circuit board 6, button fixing panel 4, display screen decorative panel 5) inside the microphone.

[0049] The circuit board 6 is placed into the groove 3 in the lower half of the upper tube body 1, and the clamping positions 7 on both sides of the groove 3 clamp the circuit board 6, ensuring that the circuit board 6 does not move left or right. The circuit board 6 is provided with a clamping hole 18 for fixing, and the fixing column 17 of the battery stopper 28 passes through the groove 3 and then passes through the clamping hole 18 of the circuit board 6 to position it, which effectively prevents the circuit board 6 from moving up and down.

[0050] The button fixing panel 4 and the display screen decorative panel 5 are buckled together to form a whole, and then are clamped into the clamping opening 2 in the upper half of the upper tube body 1. The buckles on the panel combine with the buckling positions of the upper tube body 1 to fix the button fixing panel 4. The horn-shaped display window 29 on the button fixing panel 4 will press the circuit board 6 during installation, completely fixing it. Finally, the display screen is installed on top of the horn-shaped display window 29, and the decorative panel buckle 12 is buckled onto the buckling position slot 13 of the button fixing panel 4, further fixing the entire structure. The horn-shaped display window 29 serves to support and fix the circuit board 6, eliminating the tedious process of screwing.

[0051] By using buckles and grooves 3 and other designs, the need for fixing tools such as screws is eliminated, and the installation process is simpler and faster. The quick assembly design reduces the time and labor required for installation, thereby saving labor costs in mass production. Due to the firm structure, the need for maintenance due to loosening and other reasons is reduced. The device is easy to disassemble and reassemble, providing convenience for maintenance and upgrading.

[0052] Overall, this fixing device improves the efficiency and reliability of the assembly of the microphone assembly 26, while reducing production and maintenance costs.

[0053] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A microphone circuit board and button panel fixing device, characterized in that, The utility model relates to a kind of mobile phone, including: Upper pipe body (1), upper pipe body (1) is equipped with the mouth (2) of being located in its upper half segment and the channel (3) of being located in lower half segment; Key fixed panel (4) and display screen decorative plate (5), key fixed panel (4) and display screen decorative plate (5) are buckled together to form whole and are assembled into the mouth (2) of being assembled; Circuit board (6) is assembled into channel (3) and is fixed by the clamping of the clamping (7) of being provided with in the both sides of channel (3) to prevent the left and right movement of circuit board (6).

2. The microphone wiring board and key panel fixing device according to claim 1, characterized by: First outer screw thread connecting portion (9) is provided on upper pipe body (1) and located between upper half segment and lower half segment and is screw-connected with lower shell (8), and the top of upper pipe body (1) is provided with second outer screw thread connecting portion (11) and is screw-connected with mesh head (10).

3. The microphone wiring board and key panel fixing device according to claim 1, characterized by: Two decorative plate buckles (12) are respectively provided on the upper and lower ends of display screen decorative plate (5), two buckle position grooves (13) are respectively provided on the upper and lower ends of key fixed panel (4) and are buckled with decorative plate buckle (12), and decorative plate buckle (12) is buckled with four decorative plate buckles (14) on the inner side of mouth (2) after passing through buckle position groove (13).

4. The microphone wiring board and key panel fixing device according to claim 1, characterized by: Two panel buckles (15) are respectively provided on the central positions of the upper and lower ends of key fixed panel (4) and are buckled with two panel buckles (16) on the inner side of mouth (2).

5. The microphone wiring board and key panel fixing device according to claim 1, characterized in that: Two clamping holes (18) are provided on circuit board (6) and are positioned by the insertion of fixed column (17) on two battery blocking pieces (28).

6. The microphone wiring board and key panel fixing device according to claim 2, characterized by: Protective sleeve shell (19) is buckled on the lower half segment of upper pipe body (1) and is located on the inner side of lower shell (8), and convex position buckle (20) is provided on the bottom of protective sleeve shell (19), and convex position buckle (20) is buckled with concave position buckle groove (21) on the lower half segment of upper pipe body (1).

7. The microphone wiring board and key panel fixing device according to claim 2, characterized by: Straight slot (22) is provided on the bottom wall of lower half segment of upper pipe body (1), and convex block (23) on the bottom of circuit board is inserted and positioned with straight slot (22).

8. The microphone wiring board and key panel fixing device according to claim 5, characterized by: Assembly groove (25) is provided on the lower half segment of upper pipe body (1) and is positioned by the insertion of two battery blocking pieces (28) into assembly groove (25).

9. The microphone wiring board and key panel fixing device according to claim 2, characterized by: Positioning slot (27) is provided on upper pipe body (1) and is positioned by the insertion of microphone assembly (26) into positioning slot (27).

10. The microphone wiring board and key panel fixing device according to claim 1, characterized in that: The bottom plane of horn type display window (29) on key fixed panel (4) presses circuit board (6) and completely fixes circuit board (6) on upper pipe body (1) to prevent the up and down movement of circuit board (6).