Earphone amplifier

Abstract

The utility model discloses an earphone amplifier which comprises an amplifier base and a connecting plate which is matched with the amplifier base and covers the amplifier base in an inverted U shape, and a screw which penetrates through a positioning hole in the connecting plate is fixed with a bearing plate on the outer side of the connecting plate so as to fix the connecting plate and the amplifier base into a whole. An audio input interface and an audio output port are formed in an end plate at one end of the connecting plate, and an amplifier power port is formed in one side, close to the audio input interface and the audio output port, of the amplifier base. The fixed pressing rivet is spirally arranged on one side, corresponding to the amplifier power port, of the amplifier base, and the electronic element is propped against and fixed in the earphone amplifier, so that when the earphone amplifier is carried and used, the problem of loose connection between the electronic element and a connecting line cannot be caused, and the use stability of the earphone amplifier matched with audio equipment is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of headphone amplifiers, in particular to a headphone amplifier. Background Art

[0002] Since the headphone amplifier can amplify weak audio signals to a sufficient level so that the headphones can hear the sound clearly, it is widely used in audio playback, output, audio interfaces and gaming devices. When using it, you need to plug the headphone amplifier into the power supply to ensure that the power supply is working properly. Then, plug the input plug of the audio signal into the input port of the amplifier. Finally, plug the headphone plug into the output port of the amplifier to hear the amplified sound.

[0003] When a traditional headphone amplifier is used in conjunction with an audio device, too many connecting cables need to be connected. In addition, the connecting cables between the headphone amplifier and the audio device may become loose as the headphone amplifier moves, thus affecting the sound output effect of the headphone amplifier in conjunction with the audio device.

[0004] Therefore, the utility model provides a headphone amplifier with a simple structure and stable connection with an audio device. Utility Model Content

[0005] The purpose of the utility model is to provide a headphone amplifier to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A headphone amplifier comprises an amplifier base, a connecting plate which cooperates with the amplifier base and covers the amplifier base in an inverted U shape, the left and right sides of the amplifier base are respectively provided with outer plates in a vertical direction, and the top of the outer plates is provided with a positioning hole;

[0008] The amplifier base is located at the lower part of the connecting plate and the outer plate covers the outer side of the connecting plate, and the screws passing through the positioning holes on the connecting plate are fixed to the receiving plate on the outer side of the connecting plate to fix the connecting plate and the amplifier base as a whole;

[0009] An audio input interface and an audio output port are arranged on the end plate at one end of the connecting plate, and an amplifier power port is arranged on one side of the amplifier base close to the audio input interface and the audio output port, and a fixing rivet is spirally arranged on one side of the amplifier base corresponding to the amplifier power port.

[0010] Furthermore, the connecting plate is provided with an inspection slot, and the corresponding inspection slot is covered with a cover plate with a fixing clip. When the earphones fixed between the connecting plate and the amplifier base need to be inspected, they can be inspected through the inspection slot exposed by opening the cover plate, thereby facilitating the inspection of earphones with poor contact or failure.

[0011] Furthermore, the cover plate is fixed to the connecting plate by fixing screws. When the cover plate needs to be disassembled to expose the inspection slot, the fixing screws are removed from the cover plate to loosen the fixation of the cover plate and the connecting plate.

[0012] Furthermore, a bayonet is provided on the side of the connecting plate opposite to the fixing screw, and a Z-shaped card plate at one end of the cover plate is inserted into the bayonet and one end of the cover plate is limited by the bayonet. When the cover plate and the connecting plate are fixed, the card plate at the end of the cover plate is inserted into the bayonet, and the front end of the cover plate is fixed to the connecting plate by using the fixing screws, thereby achieving the purpose of quickly fixing the cover plate and the connecting plate, without the need to fix both ends of the cover plate by fixing screws.

[0013] Furthermore, the middle part of the fixing clip is convex and provided with a force-bearing part, and the end of the fixing clip is arc-shaped and provided with a pressure-tightening part. When the headphone amplifier formed by the fixing clip in cooperation with the connecting plate and the amplifier base is carried and used, the fixing clip is forced outwards so that the fixing clip and the connecting plate are elastically separated, and the part to be clamped is placed between the fixing clip and the connecting plate, and the pressure-tightening part is used to hold the headphone amplifier.

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

[0015] The headphone amplifier has U-shaped outer plates on both sides of the amplifier base and is fixed to the receiving plate on the outer side of the inverted U-shaped connecting plate by screws, so as to achieve the purpose of quickly fixing the headphones mounted on the amplifier base and quickly assembling the headphone amplifier.

[0016] An audio input interface and an audio output port are provided on the end plate at the end of the connecting plate, and an amplifier power port is provided on the amplifier base, which are connected to the connecting wire on the sound source device through the audio input interface and the audio output port, and are connected to the electronic components inside the headphone amplifier through the connecting ports on the audio input interface and the audio output port. The electronic components inside the headphone amplifier are fixed in the headphone amplifier assembled by the amplifier base and the connecting plate by fixed pressure rivets, so as to keep the connection between the electronic components and the connecting wire stable. Since the electronic components are fixed in the headphone amplifier, when the headphone amplifier is carried and used, the connection between the electronic components and the connecting wire will not become loose, so as to ensure the stability of the headphone amplifier used in conjunction with the audio equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model from another perspective;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the disassembly structure.

[0020] In the figure: 1. Amplifier base; 2. Connecting plate; 3. Outer plate; 4. Positioning hole; 5. Adapter plate; 6. Audio input interface; 7. Audio output port; 8. Amplifier power port; 9. Fixed rivet; 10. Inspection slot; 11. Cover; 12. Clamp; 13. Clamp; 14. Force-bearing part; 15. Pressure-retaining part; 16. Fixed clip. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 , the utility model provides a technical solution:

[0023] A headphone amplifier comprises an amplifier base 1, a connecting plate 2 which cooperates with the amplifier base 1 and covers the amplifier base 1 in an inverted U shape, outer plates 3 are respectively arranged vertically on the left and right sides of the amplifier base 1, and a positioning hole 4 is arranged on the top of the outer plates 3;

[0024] The amplifier base 1 is located at the lower part of the connecting plate 2 and the outer plate 3 covers the outer side of the connecting plate 2, and the screws passing through the positioning holes 4 on the connecting plate 2 are fixed to the receiving plate 5 on the outer side of the connecting plate 2, so as to fix the connecting plate 2 and the amplifier base 1 as a whole;

[0025] An audio input interface 6 and an audio output port 7 are provided on the end plate at one end of the connecting plate 2, and an amplifier power port 8 is provided on the side of the amplifier base 1 close to the audio input interface 6 and the audio output port 7, and a fixing rivet 9 is spirally provided on the side of the amplifier base 1 corresponding to the amplifier power port 8.

[0026] An inspection slot 10 is provided on the connecting plate 2, and a cover plate 11 with a fixing clip 16 covers the inspection slot 10. When the earphones fixed between the connecting plate 2 and the amplifier base 1 need to be inspected, the inspection slot 10 exposed by opening the cover plate 11 can be inspected, which facilitates the inspection of earphones with poor contact or faults.

[0027] The cover plate 11 is fixed to the connecting plate 2 by fixing screws. When the cover plate 11 needs to be disassembled to expose the inspection slot 10 , the fixing screws are removed from the cover plate 11 to loosen the fixing of the cover plate 11 and the connecting plate 2 .

[0028] A bayonet 12 is provided on the side of the connecting plate 2 opposite to the fixing screws. A Z-shaped bayonet 13 at one end of the cover plate 11 is inserted into the bayonet 12 and one end of the cover plate 11 is limited by the bayonet 12. When the cover plate 11 is fixed to the connecting plate 2, the bayonet 13 at the end of the cover plate 11 is inserted into the bayonet 12, and the front end of the cover plate 11 is fixed to the connecting plate 2 by the fixing screws, thereby achieving the purpose of quickly fixing the cover plate 11 to the connecting plate 2, without the need to fix both ends of the cover plate 11 by fixing screws.

[0029] The middle part of the fixing clip 16 is convex and provided with a force-bearing part 14, and the end of the fixing clip 16 is arc-shaped and provided with a pressure-tightening part 15. When the headphone amplifier formed by the fixing clip 16 and the connecting plate 2 and the amplifier base 1 is carried and used, the fixing clip 16 is forced outward to make the fixing clip 16 and the connecting plate 2 elastically separate, and the part to be clamped is placed between the fixing clip 16 and the connecting plate 2, and the pressure-tightening part 15 is used to hold the headphone amplifier.

[0030] The headphone amplifier has U-shaped outer plates 3 on both sides of the amplifier base 1 and is fixed to the receiving plate 5 on the outer side of the inverted U-shaped connecting plate 2 by screws, so as to quickly fix the headphones mounted on the amplifier base 1 and quickly assemble the headphone amplifier.

[0031] An audio input interface 6 and an audio output port 7 are provided on the end plate at the end of the connecting plate 2, and an amplifier power port 8 is provided on the amplifier base 1. The audio input interface 6 and the audio output port 7 are connected to the connecting line of the sound source device, and the connecting ports on the audio input interface 6 and the audio output port 7 are connected to the electronic components inside the headphone amplifier. The electronic components inside the headphone amplifier are fixed tightly in the headphone amplifier assembled by the amplifier base 1 and the connecting plate 2 by fixing rivets 9, so as to keep the connection between the electronic components and the connecting line stable. Since the electronic components are fixed tightly in the headphone amplifier, when the headphone amplifier is carried and used, the connection between the electronic components and the connecting line will not be loosened, thereby ensuring the stability of the headphone amplifier used in conjunction with audio equipment.

[0032] 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 headphone amplifier, comprising an amplifier base (1), and a connecting plate (2) that cooperates with the amplifier base (1) and covers the amplifier base (1) in an inverted U shape, characterized in that: The left and right sides of the amplifier base (1) are respectively provided with outer plates (3) in a vertical direction, and the top of the outer plates (3) is provided with a positioning hole (4); The amplifier base (1) is located at the lower part of the connecting plate (2) and the outer plate (3) covers the outer side of the connecting plate (2); the screws passing through the positioning holes (4) on the connecting plate (2) are fixed to the receiving plate (5) on the outer side of the connecting plate (2) so as to fix the connecting plate (2) and the amplifier base (1) as a whole; An audio input interface (6) and an audio output port (7) are provided on the end plate at one end of the connection plate (2), and an amplifier power port (8) is provided on a side of the amplifier base (1) close to the audio input interface (6) and the audio output port (7), and a fixing rivet (9) is spirally provided on a side of the amplifier base (1) corresponding to the amplifier power port.

2. The headphone amplifier according to claim 1, characterized in that: The connecting plate (2) is provided with an inspection slot (10), and a cover plate (11) with a fixing clip is provided corresponding to the inspection slot (10).

3. The headphone amplifier according to claim 2, characterized in that: The cover plate (11) is fixed to the connecting plate (2) by means of fixing screws.

4. The headphone amplifier according to claim 3, characterized in that: A snap-in (12) is provided on the side of the connecting plate (2) opposite to the fixing screw, and a Z-shaped snap-in plate (13) at one end of the cover plate (11) is snapped into the snap-in (12) and limits one end of the cover plate (11) via the snap-in (12).

5. The headphone amplifier according to claim 4, characterized in that: The middle part of the fixing clip is convex and provided with a force-bearing portion (14), and the end of the fixing clip is arc-shaped and provided with a pressure-tightening portion (15).

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