Multi-interface desk type headphone amplifier

Abstract

The utility model provides a multi-interface desk-type earphone amplifier, which relates to the field of earphone amplifiers and comprises a desk-type earphone amplifier main body, a plurality of plugging ports are arranged on the back of the desk-type earphone amplifier main body, the plugging ports are of circular ring structures, two elastic telescopic pieces with rotatable end parts are arranged on the back of the desk-type earphone amplifier main body, and the two elastic telescopic pieces are arranged on the back of the desk-type earphone amplifier main body. An installation plate is installed on the two elastic telescopic pieces together, a plurality of movable columns are movably connected to the installation plate, the movable columns are arranged corresponding to the insertion ports respectively, two oppositely-arranged butt joint columns are installed on the side wall of each movable column, and one side of each butt joint column is of a cambered surface structure. The mounting plate is pulled to enable the elastic telescopic piece to be stretched, the mounting plate is rotated to be in a vertical state, at the moment, the multiple movable columns directly face the multiple insertion openings respectively, the mounting plate is moved towards the insertion openings, and under the action of the stretched elastic telescopic piece, the mounting plate is tightly attached to the ends of the insertion openings; and the plugging port is plugged through the movable column and the butt joint column.

Description

Technical Field

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

[0002] A desktop headphone amplifier is a power amplifier designed specifically for headphones, used to drive headphone devices or further improve the sound quality. The desktop headphone amplifier receives the pre-stage signal and amplifies it through the post-stage amplifier to improve the output sound quality of the sound source and make the headphones perform better. Compared with portable headphone amplifiers, desktop headphone amplifiers are usually more expensive, but they can also provide purer current and better sound quality.

[0003] A desktop headphone amplifier generally includes a desktop headphone amplifier body and a plug interface arranged on the desktop headphone amplifier body, wherein the plug interface is a circular ring-shaped structure, and the circular ring-shaped plug interface is used to connect a columnar wire end. When the existing desktop headphone amplifier is in use, the end of the wire is inserted into the plug interface, and when the desktop headphone amplifier is not in use, the end of the wire is pulled out of the plug interface. At this time, the plug interface is directly exposed to the outside, and it is easy to adhere to some dust for a long time, and even become clogged by impurities. When there is a lot of dust on the inner wall of the plug interface, it is easy to affect the connection between the wire end and the plug interface, resulting in poor contact.

[0004] Therefore, it is necessary to provide a new multi-interface desktop headphone amplifier to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a desktop headphone amplifier with multiple interfaces.

[0006] The multi-interface desktop headphone amplifier provided by the utility model comprises a desktop headphone amplifier main body, a plurality of plug interfaces are installed on the back of the desktop headphone amplifier main body, the plug interfaces are in a circular ring structure, two elastic telescopic parts with rotatable ends are arranged on the back of the desktop headphone amplifier main body, a mounting plate is installed on the two elastic telescopic parts, a plurality of movable columns are movably connected on the mounting plate, the plurality of movable columns are respectively arranged corresponding to the plurality of plug interfaces, two oppositely arranged docking columns are installed on the side walls of the movable columns, and one side of the docking column is a curved surface structure.

[0007] Preferably, the elastic telescopic part includes a movable block, an insertion rod and a first spring. The movable block is movably connected to the main body of the desktop headphone amplifier. The insertion rod is fixedly connected to the side wall of the movable block. The insertion rod is movably inserted into a through hole opened in the mounting plate. The first spring is movably sleeved on the insertion rod. The two ends of the first spring are respectively fixedly connected to the side wall of the movable block and the side wall of the mounting plate.

[0008] Preferably, a cleaning device for cleaning the inner wall of the plug interface is installed on the movable column, and the end of the cleaning device extends to the gap between the two docking columns.

[0009] Preferably, the cleaning device includes a driving member and two relatively arranged followers, the driving member is installed on a movable column, the end of the driving member extends to the gap between the two docking columns, the two followers are installed between the two docking columns, one end of the two followers can move under the action of the driving member, and cleaning cotton is installed on the moving ends of the two followers.

[0010] Preferably, the follower includes a connecting plate, two vertical plates and a plurality of first inclined blocks, the two vertical plates are respectively fixedly connected to the side walls of the two docking columns, a plurality of second springs are installed on the two vertical plates, the ends of the plurality of second springs away from the vertical plates are commonly fixedly connected to the connecting plate, a plurality of first inclined blocks are fixedly connected to the side walls of the connecting plate, and the side walls of the connecting plate away from the second springs are fixedly connected to the cleaning cotton.

[0011] Preferably, the driving member includes a threaded frame and a transmission ring, the threaded frame is movably connected to a through hole opened in the center of the movable column, one end of the threaded frame extends to the gap between the two docking columns, and multiple transmission rings are sleeved on the threaded frame, the transmission ring is threadedly connected to the threaded frame, both sides of the multiple transmission rings are fixedly connected to limit frames, the two ends of the limit frames are respectively fitted with the opposite side walls of the two docking columns, and the ends of the multiple limit frames away from the transmission ring are fixedly connected with second inclined blocks, and the inclined surfaces of the multiple second inclined blocks are respectively fitted with the inclined surfaces of the multiple first inclined blocks.

[0012] Compared with the related art, the multi-interface desktop headphone amplifier provided by the utility model has the following beneficial effects:

[0013] By providing the mounting plate, movable column and active column, when the desktop headphone amplifier body is not in use, the mounting plate is pulled so that the elastic telescopic part is stretched and the mounting plate is rotated to a vertical state. At this time, the multiple movable columns are respectively facing the multiple plug interfaces, and the mounting plate is moved toward the plug interfaces so that the two docking columns on the movable column are moved to the inside of the plug interfaces. Under the action of the stretched elastic telescopic part, the mounting plate is tightly attached to the end of the plug interface, and the plug interface is sealed by the movable column and the docking column, thereby achieving a certain dustproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a multi-interface desktop headphone amplifier provided by the utility model;

[0015] Figure 2 for Figure 1 A schematic structural diagram of the structure shown from another angle;

[0016] Figure 3 for Figure 2 A schematic diagram of a local structure of the structure shown;

[0017] Figure 4 for Figure 3 A schematic structural diagram of a cleaning device of the structure shown;

[0018] Figure 5 for Figure 3 A schematic structural diagram of a partial side cross-sectional view of the structure shown;

[0019] Figure 6 for Figure 3 A schematic structural diagram of a partial front view and section of the structure shown.

[0020] Numbers in the figure: 1. Desktop headphone amplifier body; 2. Plug interface; 3. Mounting plate; 4. Movable block; 5. Insertion rod; 6. First spring; 7. Second inclined block; 8. Movable column; 9. Docking column; 10. Connecting plate; 11. Cleaning cotton; 12. Vertical plate; 13. Second spring; 14. First inclined block; 15. Threaded frame; 16. Transmission ring; 17. Limit frame. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1-Figure 6 ,in, Figure 1 A schematic diagram of the structure of a multi-interface desktop headphone amplifier provided by the utility model; Figure 2 for Figure 1 A schematic structural diagram of the structure shown from another angle; Figure 3 for Figure 2 A schematic diagram of a local structure of the structure shown; Figure 4 for Figure 3 A schematic structural diagram of a cleaning device of the structure shown; Figure 5 for Figure 3 A schematic structural diagram of a partial side cross-sectional view of the structure shown; Figure 6 for Figure 3 A schematic structural diagram of a partial front view and section of the structure shown.

[0023] In the specific implementation process, Figure 1-Figure 6As shown, it includes a desktop headphone amplifier body 1, a plurality of plug interfaces 2 are installed on the back of the desktop headphone amplifier body 1, and the plug interfaces 2 are in a circular ring structure. Two elastic telescopic parts with rotatable ends are arranged on the back of the desktop headphone amplifier body 1, and a mounting plate 3 is installed on the two elastic telescopic parts. A plurality of movable columns 8 are movably connected to the mounting plate 3, and the plurality of movable columns 8 are respectively arranged corresponding to the plurality of plug interfaces 2. Two oppositely arranged docking columns 9 are installed on the side walls of the movable columns 8, and one side of the docking column 9 is a curved surface structure. The elastic telescopic part includes a movable block 4, an insertion rod 5 and a first spring 6. The movable block 4 is movably connected to the desktop headphone amplifier body 1, and the insertion rod 5 is fixedly connected to the side wall of the movable block 4. The insertion rod 5 is movably inserted into the through hole provided in the mounting plate 3. The first spring 6 is movably sleeved on the insertion rod 5, and the two ends of the first spring 6 are respectively fixedly connected to the side wall of the movable block 4 and the side wall of the mounting plate 3;

[0024] A cleaning device for cleaning the inner wall of the plug interface 2 is installed on the movable column 8, and the end of the cleaning device extends to the gap between the two docking columns 9. The cleaning device includes a driving member and two relatively arranged followers. The driving member is installed on the movable column 8, and the end of the driving member extends to the gap between the two docking columns 9. The two followers are installed between the two docking columns 9. One end of the two followers can be moved under the action of the driving member, and cleaning cotton 11 is installed on the moving ends of the two followers. The followers include a connecting plate 10, two vertical plates 12 and a plurality of first inclined blocks 14. The two vertical plates 12 are respectively fixedly connected to the side walls of the two docking columns 9. A plurality of second springs 13 are installed on the two vertical plates 12. The ends of the plurality of second springs 13 away from the vertical plates 12 are fixedly connected together. A connecting plate 10 is connected, and a plurality of first inclined blocks 14 are fixedly connected to the side wall of the connecting plate 10. The side wall of the connecting plate 10 away from the second spring 13 is fixedly connected to the cleaning cotton 11. The driving member includes a threaded frame 15 and a transmission ring 16. The threaded frame 15 is movably connected to the through hole opened in the center of the movable column 8. One end of the threaded frame 15 extends to the gap between the two docking columns 9. Multiple transmission rings 16 are all sleeved on the threaded frame 15. The transmission ring 16 is threadedly connected to the threaded frame 15. Both sides of the multiple transmission rings 16 are fixedly connected to the limiting frames 17. The two ends of the limiting frame 17 are respectively fitted with the opposite side walls of the two docking columns 9. The ends of the multiple limiting frames 17 away from the transmission ring 16 are fixedly connected with the second inclined blocks 7. The inclined surfaces of the multiple second inclined blocks 7 are respectively fitted with the inclined surfaces of the multiple first inclined blocks 14.

[0025] The working principle of the utility model is as follows: when the desktop headphone amplifier body 1 is not needed, the mounting plate 3 is pulled so that the first spring 6 is stretched and the mounting plate 3 is rotated to a vertical state. At this time, the multiple movable columns 8 are respectively facing the multiple plug-in ports 2, and the mounting plate 3 is moved toward the plug-in ports 2 so that the two docking columns 9 on the movable columns 8 are moved to the inner side of the plug-in ports 2. Under the action of the stretched first spring 6, the mounting plate 3 is tightly attached to the end of the plug-in port 2, and the plug-in port 2 is blocked by the movable column 8 and the docking column 9. In addition, the staff can rotate the threaded frame 15. Since the limit frame 17 is limited by the two docking columns 9, when the threaded frame 15 is rotated, the threaded frame 15 is rotated. The multiple transmission rings 16 on the frame 15 move horizontally, thereby driving the second inclined block 7 to move away from the first inclined block 14. At this time, under the action of the compressed second spring 13, the connecting plate 10 and the cleaning cotton 11 thereon move. When the second inclined block 7 is not in contact with the first inclined block 14, the second spring 13 is still in a compressed state. Therefore, under the action of the second spring 13, the multiple cleaning cottons 11 are close to the inner wall of the plug interface 2. At this time, the movable column 8 is rotated to make the two cleaning cottons 11 rotate along the inner wall of the plug interface 2, thereby cleaning the inner wall of the plug interface 2. To a certain extent, the wire end and the plug interface 2 have better contact.

[0026] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-interface desktop headphone amplifier, characterized in that: The invention comprises a desktop headphone amplifier body (1), a plurality of plug interfaces (2) are installed on the back of the desktop headphone amplifier body (1), the plug interfaces (2) are in a circular ring structure, two elastic telescopic parts with rotatable ends are arranged on the back of the desktop headphone amplifier body (1), a mounting plate (3) is installed on the two elastic telescopic parts, a plurality of movable columns (8) are movably connected on the mounting plate (3), the plurality of movable columns (8) are arranged corresponding to the plurality of plug interfaces (2), two docking columns (9) arranged opposite to each other are installed on the side wall of the movable column (8), and one side of the docking column (9) is a curved surface structure.

2. The multi-interface desktop headphone amplifier according to claim 1, characterized in that: The elastic telescopic component comprises a movable block (4), an insertion rod (5) and a first spring (6); the movable block (4) is movably connected to the desktop headphone amplifier body (1); the insertion rod (5) is fixedly connected to the side wall of the movable block (4); the insertion rod (5) is movably inserted into a through hole provided in the mounting plate (3); the first spring (6) is movably sleeved on the insertion rod (5); and the two ends of the first spring (6) are respectively fixedly connected to the side wall of the movable block (4) and the side wall of the mounting plate (3).

3. The multi-interface desktop headphone amplifier according to claim 1, characterized in that: A cleaning device for cleaning the inner wall of the plug interface (2) is installed on the movable column (8), and the end of the cleaning device extends to the gap between the two docking columns (9).

4. The multi-interface desktop headphone amplifier according to claim 3, characterized in that: The cleaning device comprises a driving member and two oppositely arranged driven members, wherein the driving member is mounted on a movable column (8), an end of the driving member extends to a gap between two docking columns (9), the two driven members are mounted between the two docking columns (9), one end of the two driven members can move under the action of the driving member, and cleaning cotton (11) is mounted on the movable ends of the two driven members.

5. The multi-interface desktop headphone amplifier according to claim 4, characterized in that: The driven member comprises a connecting plate (10), two vertical plates (12) and a plurality of first inclined blocks (14); the two vertical plates (12) are respectively fixedly connected to the side walls of the two docking columns (9); a plurality of second springs (13) are installed on the two vertical plates (12); the ends of the plurality of second springs (13) away from the vertical plates (12) are commonly fixedly connected to the connecting plate (10); the side walls of the connecting plate (10) are fixedly connected to the plurality of first inclined blocks (14); and the side walls of the connecting plate (10) away from the second springs (13) are fixedly connected to the cleaning cotton (11).

6. The multi-interface desktop headphone amplifier according to claim 5, characterized in that: The driving member comprises a threaded frame (15) and a transmission ring (16). The threaded frame (15) is movably connected to a through hole provided in the center of the movable column (8). One end of the threaded frame (15) extends to the gap between the two docking columns (9). A plurality of transmission rings (16) are sleeved on the threaded frame (15). The transmission ring (16) is threadedly connected to the threaded frame (15). Both sides of the plurality of transmission rings (16) are fixedly connected to a limiting frame (17). Both ends of the limiting frame (17) are respectively fitted with the side walls opposite to the two docking columns (9). One end of the plurality of limiting frames (17) away from the transmission ring (16) is fixedly connected to a second inclined block (7). The inclined surfaces of the plurality of second inclined blocks (7) are respectively fitted with the inclined surfaces of the plurality of first inclined blocks (14).

Images