Fixing mechanism of earphone circuit board

Abstract

The utility model relates to the technical field of earphone circuit boards, and discloses a fixing mechanism of an earphone circuit board, which comprises a circuit board body, clamping blocks and a sliding device, the clamping blocks are arranged on two sides of the circuit board body, the sliding device is arranged above the clamping blocks, the sliding device comprises a storage box, a fixing groove and a sliding column, and the storage box is arranged above the fixing groove. A storage box is installed above the clamping block, fixing grooves are formed in the two sides of the interior of the storage box, sliding columns are arranged in the fixing grooves, connecting blocks are installed on the right sides of the upper portions of the sliding columns, the connecting blocks penetrate through the sliding grooves to be connected with a cylinder body, and fixing rods are installed in the cylinder body; an adjusting block is installed in the middle of the upper portion of the fixing rod, the adjusting block penetrates through a groove to the outer side of the barrel body, the groove is formed in the upper portion of the barrel body, and a plurality of limiting blocks are installed on the two sides of the sliding groove; the circuit board is simple in structure, convenient for a user to quickly install the circuit board body in the earphone shell, and convenient for the user to disassemble and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of earphone circuit boards, and in particular to a fixing mechanism of an earphone circuit board. Background Art

[0002] The names of circuit boards include: circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and optimizing the layout of electrical appliances. Circuit boards can be called printed circuit boards or printed circuit boards. Circuit boards are mainly composed of pads, vias, mounting holes, wires, components, connectors, filling, electrical boundaries, etc.

[0003] After searching, the Chinese patent authorization announcement number CN 200953707Y, announcement date September 27, 2006, discloses a fixing mechanism for a circuit board. The article proposes "a fixing member 120, which is provided on the housing 12 and freely passes through the fixing hole 110; and an elastic fastener 13, which is provided on the fixing member 120 and is close to the end face of the housing 12." When the circuit board body is installed inside the earphone shell, the complex structure makes the installation and removal of the circuit board body more difficult, and also increases the user's working time. In view of this, in-depth research was conducted on the above-mentioned problems, and thus this case was created. Utility Model Content

[0004] The purpose of the present invention is to provide a fixing mechanism for an earphone circuit board to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: a fixing mechanism for an earphone circuit board, comprising a circuit board body, a clamping block and a sliding device, wherein clamping blocks are provided on both sides of the circuit board body, and a sliding device is installed above the clamping block;

[0006] The sliding device includes a storage box, a fixed groove and a sliding column. The storage box is installed above the card block, and fixed grooves are provided on both sides of the storage box. A sliding column is provided inside the fixed groove, and a connecting block is installed on the right side above the sliding column. The connecting block passes through the slide groove and is connected to the cylinder body. A fixing rod is installed inside the cylinder body, and an adjusting block is installed in the middle position above the fixing rod. The adjusting block passes through the groove to the outside of the cylinder body, and the groove is installed above the cylinder body. A plurality of limit blocks are installed on both sides of the slide groove.

[0007] Preferably, the circuit board body and the clamping block are in clamping connection, and the clamping block and the sliding device are arranged perpendicular to each other.

[0008] Preferably, the storage boxes are integrated with the fixed groove and the sliding groove.

[0009] Preferably, the fixing groove and the sliding column are in sliding connection, and the sliding column and the connecting block are in fixed connection.

[0010] Preferably, the connection block and the slide groove are slidably connected, and the connection block and the cylinder are fixedly connected.

[0011] Preferably, the cylinder body and the fixed rod are slidably connected, and the fixed rod and the adjusting block are fixedly connected.

[0012] Preferably, the adjusting block and the groove are slidably connected, and the cylinder and the sliding column are vertically arranged to each other.

[0013] Preferably, the storage box and the limit block are fixedly connected, and the limit block and the adjustment block are arranged perpendicular to each other.

[0014] Preferably, the limit blocks on both sides are arranged in a staggered manner.

[0015] Compared with the prior art, the beneficial effects of this invention are:

[0016] By setting a storage box, a fixing groove and a sliding column, the user engages the card blocks on both sides of the circuit board body and places the circuit board body inside the earphone shell. Then, the user pushes the cylinder body to drive the sliding column under the connecting block to slide inside the fixing groove, so that the outer side of the sliding column contacts the inner wall of the earphone shell. Then, the sliding adjustment block drives the fixing rod to slide inside the cylinder body, so that the fixing rod is engaged between the two limit blocks for fixing, so that the circuit board body is fixed inside the earphone. The structure is simple, so that the user can quickly install the circuit board body inside the earphone shell, and it is also convenient for the user to disassemble and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view of the sliding device of the utility model;

[0020] Figure 3 This is a schematic diagram of the top view of the structure of the sliding device used in the utility model;

[0021] Figure 4 It is a schematic diagram of a top cross-sectional structure of a sliding device used in the utility model.

[0022] In the figure: 1, circuit board body; 2, card block; 3, sliding device; 301, storage box; 302, fixing groove; 303, sliding column; 304, slide groove; 305, cylinder; 306, fixing rod; 307, groove; 308, adjustment block; 309, limit block. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0026] See also Figure 1-4 The utility model provides a technical solution for fixing a headphone circuit board: a fixing mechanism for a headphone circuit board, comprising a circuit board body 1, a clamping block 2 and a sliding device 3, the circuit board body 1 is provided with clamping blocks 2 on both sides, and the sliding device 3 is installed above the clamping block 2;

[0027] The sliding device 3 includes a storage box 301, a fixed groove 302 and a sliding column 303. The storage box 301 is installed above the block 2. Fixed grooves 302 are provided on both sides of the storage box 301. The fixed groove 302 is provided inside the sliding column 303. A connecting block is installed on the right side above the sliding column 303. The connecting block passes through the slide groove 304 and is connected to the cylinder 305. A fixing rod 306 is installed inside the cylinder 305. An adjusting block 308 is installed in the middle position above the fixing rod 306. The adjusting block 308 passes through the groove 307 to the outside of the cylinder 305. The groove 307 is installed above the cylinder 305. A plurality of limit blocks 309 are installed on both sides of the slide groove 304.

[0028] During use, the user engages the card block 2 on both sides of the circuit board body 1, places the circuit board body 1 inside the earphone shell, and then pushes the barrel 305 to drive the sliding column 303 under the connecting block to slide inside the fixing groove 302, so that the outer side of the sliding column 303 contacts the inner wall of the earphone shell, and then slides the adjustment block 308 to drive the fixing rod 306 to slide inside the barrel 305, so that the fixing rod 306 is engaged between the two limit blocks 309 for fixation, so that the circuit board body 1 is fixed inside the earphone. The structure is simple, so that the user can quickly install the circuit board body 1 inside the earphone shell, and it is also convenient for the user to disassemble and repair.

[0029] The circuit board body 1 and the clamping block 2 are in clamping connection, and the clamping block 2 and the sliding device 3 are arranged perpendicular to each other.

[0030] The storage box 301 is integrated with the fixed groove 302 and the sliding groove 304 .

[0031] The fixing groove 302 and the sliding column 303 are slidably connected, and the sliding column 303 and the connecting block are fixedly connected, so that the sliding column 303 can be easily brought into contact with the inner wall of the earphone shell, and the circuit board body 1 can be quickly fixed inside the earphone shell.

[0032] The connection block and the slide groove 304 are connected in a sliding manner, and the connection block and the cylinder 305 are connected in a fixed manner.

[0033] The cylinder 305 and the fixed rod 306 are slidably connected, and the fixed rod 306 and the adjustment block 308 are fixedly connected.

[0034] The adjusting block 308 and the groove 307 are slidably connected, and the cylinder 305 and the sliding column 303 are vertically arranged to each other.

[0035] The storage box 301 and the limit block 309 are fixedly connected, and the limit block 309 and the adjustment block 308 are vertically arranged to each other.

[0036] The limiting blocks 309 on both sides are arranged in a staggered manner, so that the fixing rod 306 can be clamped between the two limiting blocks 309 for fixing according to the distance between the sliding column 303 and the inner wall of the earphone shell.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixing mechanism for an earphone circuit board, comprising a circuit board body (1), a clamping block (2) and a sliding device (3), characterized in that: Blocks (2) are provided on both sides of the circuit board body (1), and a sliding device (3) is installed above the block (2); The sliding device (3) comprises a storage box (301), a fixed groove (302) and a sliding column (303); the storage box (301) is installed above the block (2); the fixed grooves (302) are provided on both sides of the storage box (301); the sliding column (303) is provided inside the fixed groove (302); a connecting block is installed on the right side above the sliding column (303); the connecting block passes through the slide groove (304) and is connected to the cylinder (305); a fixing rod (306) is installed inside the cylinder (305); an adjusting block (308) is installed in the middle position above the fixing rod (306); the adjusting block (308) passes through the groove (307) to the outside of the cylinder (305); the groove (307) is installed above the cylinder (305); and a plurality of limit blocks (309) are installed on both sides of the slide groove (304).

2. The fixing mechanism of the earphone circuit board according to claim 1, characterized in that: The circuit board body (1) and the clamping block (2) are in clamping connection, and the clamping block (2) and the sliding device (3) are arranged perpendicular to each other.

3. The fixing mechanism of the earphone circuit board according to claim 2, characterized in that: The storage box (301) is integrated with the fixed groove (302) and the sliding groove (304).

4. The fixing mechanism of the earphone circuit board according to claim 3, characterized in that: The fixing groove (302) and the sliding column (303) are slidably connected, and the sliding column (303) and the connecting block are fixedly connected.

5. The fixing mechanism of the earphone circuit board according to claim 4, characterized in that: The connection block and the slide groove (304) are slidably connected, and the connection block and the cylinder (305) are fixedly connected.

6. The fixing mechanism of the earphone circuit board according to claim 5, characterized in that: The cylinder (305) and the fixed rod (306) are slidably connected, and the fixed rod (306) and the adjustment block (308) are fixedly connected.

7. The fixing mechanism of the earphone circuit board according to claim 6, characterized in that: The adjusting block (308) and the groove (307) are slidably connected, and the cylinder (305) and the sliding column (303) are arranged perpendicular to each other.

8. The fixing mechanism of the earphone circuit board according to claim 7, characterized in that: The storage box (301) and the limiting block (309) are fixedly connected, and the limiting block (309) and the adjusting block (308) are arranged perpendicular to each other.

9. The fixing mechanism of the earphone circuit board according to claim 8, characterized in that: The limit blocks (309) on both sides are arranged in a staggered manner.

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