Multi-unit electrostatic earphone

Abstract

The utility model belongs to the earphone field, and specifically relates to a multi-unit static earphone comprising an earphone body, the upper end of the earphone body is fixedly connected with a connecting seat, the inner part of the connecting seat is movably connected with a connecting ball, the upper end of the connecting ball is fixedly connected with a sound production plate, and the outer side of the sound production plate is sleeved with an earplug. A pressure adjusting mechanism is arranged in the earplug, a data line is fixedly connected to the left end of the machine body, two symmetrically-distributed fixing plates are fixedly connected to the bottom of the inner side of the connecting base, sliding rods are slidably connected to the interiors of the fixing plates, and a supporting plate is fixedly connected to the end, close to the connecting ball, of each sliding rod. According to the utility model, the connecting ball, the rubber block, the supporting plate and other structures are additionally arranged in the connecting seat, and the use angle of the earplug can be adjusted through the connecting ball in the use process, so that the angle between the earplug and the earphone body can accord with the ear structure, and the earphone can be worn more stably.

Description

Technical Field

[0001] The utility model relates to the technical field of earphones, in particular to a multi-unit electrostatic earphone. Background Art

[0002] The principle of electrostatic headphones is that the diaphragm is in a changing electric field. The diaphragm is extremely thin, accurate to the micron level, and polarized by a high DC voltage. The electrical energy required for polarization is converted from AC. There are also battery-powered ones. Most headphones on the market are multi-unit electrostatic headphones.

[0003] According to the patent authorization announcement number: CN220325795U, a low-voltage electrostatic sound unit for headphones is proposed. The purpose of this utility model is to provide a low-voltage electrostatic sound unit for headphones. The magnetic field force generated by the energization of the coil drives the metal diaphragm to vibrate. There is no need to worry about the excess resonance caused by the coil. The sound is pure and the user experience is better.

[0004] However, when wearing the earphones in the prior art, the ear structures of each person are different, and the angle of the earphone's entry point is likely to not match the ear structure of the user, resulting in unstable wearing of the earphones, and long-term wearing can easily cause ear discomfort. Therefore, there is a need to improve the prior art. Utility Model Content

[0005] The utility model aims to provide a multi-unit electrostatic earphone, which solves the problem of unstable wearing of the earphone.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-unit electrostatic headset, comprising a body, the upper end of the body is fixedly connected to a connecting seat, the connecting seat is movably connected to a connecting ball inside, the upper end of the connecting ball is fixedly connected to a sounding board, the outer side of the sounding board is sleeved with an earplug, the earplug is provided with a pressure regulating mechanism inside, the left end of the body is fixedly connected to a data cable, the inner bottom of the connecting seat is fixedly connected to two symmetrically distributed fixing plates, the fixing plate is slidably connected to a sliding rod inside, the sliding rod is fixedly connected to a support plate at one end close to the connecting ball, the outer side of the support plate is fixedly connected to a rubber block, and the outer side of the sliding rod is provided with a spring 1.

[0007] Preferably, the support plate is slidably connected to the connecting seat, and the rubber block is movably connected to the connecting ball, and the rubber block can increase the rotational resistance of the connecting ball.

[0008] Preferably, one end of the spring one is fixedly connected to the support plate, and the other end of the spring one is fixedly connected to the fixing plate, and the spring one can support the support plate through elastic force.

[0009] Preferably, a limiting ring is fixedly connected inside the connecting seat, and the limiting ring is movably connected to the connecting ball, and the limiting ring can limit the connecting ball.

[0010] Preferably, the pressure regulating mechanism includes an air pipe, the lower end of the earplug is fixedly connected to the air pipe, the upper part of the inner wall of the air pipe is fixedly connected to a fixed plate, the interior of the fixed plate is slidably connected to a moving rod, the upper end of the moving rod is fixedly connected to a sealing plate, a spring 2 is provided on the outer side of the moving rod, and the sealing plate can seal the air pipe.

[0011] Preferably, a plurality of air holes distributed in a ring shape are provided inside the fixing plate, the sealing plate is in contact with the air pipe, and the air holes allow air to circulate.

[0012] Preferably, one end of the second spring is fixedly connected to the moving rod, and the other end of the second spring is fixedly connected to the fixed plate, and the second spring can drive the moving rod to automatically reset through elastic force.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model adds structures such as a connecting ball, a rubber block and a supporting plate inside the connecting seat. During use, the use angle of the earplug can be adjusted by the connecting ball, so that the angle between the earplug and the body can conform to the ear structure, making the earphone more stable to wear.

[0015] 2. The utility model adds structures such as an air tube, a movable rod and a sealing plate inside the earplug. During use, the air tube can be used to inflate or deflate the inside of the earplug to adjust the hardness of the earplug, thereby avoiding the problem of ear discomfort caused by an earplug that is too hard or unstable wearing caused by an earplug that is too soft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A three-dimensional cross-sectional view of

[0018] Figure 3 For the utility model Figure 2 Enlarged frontal cross-sectional view of the trachea;

[0019] Figure 4 For the utility model Figure 2 A-section structure enlarged view.

[0020] In the figure: 1. body; 2. connecting seat; 3. connecting ball; 4. sound plate; 5. earplug; 6. pressure regulating mechanism; 7. data cable; 8. fixing plate; 9. sliding rod; 10. supporting plate; 11. rubber block; 12. spring 1; 13. limiting ring; 61. air pipe; 62. fixing plate; 63. air vent; 64. moving rod; 65. sealing plate; 66. spring 2. 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 , Figure 2 , Figure 4 A multi-unit electrostatic headset comprises a body 1, a connecting seat 2 is fixedly connected to the upper end of the body 1, a connecting ball 3 is movably connected inside the connecting seat 2, a sounding board 4 is fixedly connected to the upper end of the connecting ball 3, an earplug 5 is sleeved on the outer side of the sounding board 4, a pressure regulating mechanism 6 is arranged inside the earplug 5, a data line 7 is fixedly connected to the left end of the body 1, two symmetrically distributed fixing plates 8 are fixedly connected to the inner bottom of the connecting seat 2, a sliding rod 9 is slidably connected inside the fixing plate 8, a supporting plate 10 is fixedly connected to one end of the sliding rod 9 close to the connecting ball 3, a rubber block 11 is fixedly connected to the outer side of the supporting plate 10, and a spring 12 is arranged on the outer side of the sliding rod 9.

[0023] See also Figure 1 , Figure 2 , Figure 4 The support plate 10 is slidingly connected to the connecting seat 2, the rubber block 11 is movably connected to the connecting ball 3, the rubber block 11 can increase the rotation resistance of the connecting ball 3, one end of the spring 12 is fixedly connected to the support plate 10, and the other end of the spring 12 is fixedly connected to the fixed plate 8. The spring 12 can support the support plate 10 through elastic force, and the internal fixed connection of the connecting seat 2 can be a limiting ring 13, the limiting ring 13 is movably connected to the connecting ball 3, and the limiting ring 13 can limit the connecting ball 3.

[0024] See also Figure 1 , Figure 2 , Figure 3The pressure regulating mechanism 6 includes an air pipe 61, the lower end of the earplug 5 is fixedly connected to the air pipe 61, the upper part of the inner wall of the air pipe 61 is fixedly connected to a fixed plate 62, the interior of the fixed plate 62 is slidably connected to a moving rod 64, the upper end of the moving rod 64 is fixedly connected to a sealing plate 65, a spring 66 is provided on the outer side of the moving rod 64, the sealing plate 65 can seal the air pipe 61, a plurality of air holes 63 distributed in an annular shape are provided inside the fixed plate 62, the sealing plate 65 is in contact with the air pipe 61, the air holes 63 can circulate air, one end of the spring 66 is fixedly connected to the moving rod 64, the other end of the spring 66 is fixedly connected to the fixed plate 62, and the spring 66 can drive the moving rod 64 to automatically reset through elastic force.

[0025] The specific implementation process of the utility model is as follows: when in use, the output pipe of the air pump or the inflatable device is connected to the air pipe 61, and then the air is inflated into the air pipe 61. When the air pressure is greater than the pressure of the spring 2 66, the sealing plate 65 moves. When the sealing plate 65 is separated from the air pipe 61, the inside of the earplug 5 can be inflated. After the pressure inside the earplug 5 increases, the hardness of the earplug 5 can be increased. When the hardness of the earplug 5 needs to be adjusted to a softer type, the moving rod 64 is pushed. The moving rod 64 compresses the spring 2 66. When the moving rod 64 drives the sealing plate 65 to separate from the air pipe 61, the gas inside the earplug 5 can be released, and the pressure inside the earplug 5 can be reduced, so that the user can wear it more comfortably.

[0026] The connecting ball 3 can be deflected during wearing, and the connecting ball 3 can adjust the use angle of the earplug 5 during the deflection process, so that the angle between the body 1 and the earplug 5 can better fit the user's ear, so that the earphone can be worn more stably.

[0027] 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 multi-unit electrostatic earphone, comprising a body (1), characterized in that: The upper end of the body (1) is fixedly connected to a connecting seat (2), the interior of the connecting seat (2) is movably connected to a connecting ball (3), the upper end of the connecting ball (3) is fixedly connected to a sounding board (4), the outer side of the sounding board (4) is sleeved with an earplug (5), the interior of the earplug (5) is provided with a pressure regulating mechanism (6), the left end of the body (1) is fixedly connected to a data cable (7), the inner bottom of the connecting seat (2) is fixedly connected to two symmetrically distributed fixing plates (8), the interior of the fixing plate (8) is slidably connected to a sliding rod (9), the end of the sliding rod (9) close to the connecting ball (3) is fixedly connected to a supporting plate (10), the outer side of the supporting plate (10) is fixedly connected to a rubber block (11), and the outer side of the sliding rod (9) is provided with a spring (12).

2. A multi-unit electrostatic earphone according to claim 1, characterized in that: The support plate (10) is slidably connected to the connection seat (2), and the rubber block (11) is movably connected to the connection ball (3).

3. The multi-unit electrostatic earphone according to claim 1, characterized in that: One end of the spring one (12) is fixedly connected to the support plate (10), and the other end of the spring one (12) is fixedly connected to the fixing plate (8).

4. The multi-unit electrostatic earphone according to claim 1, characterized in that: A limiting ring (13) is fixedly connected inside the connection seat (2), and the limiting ring (13) is movably connected to the connection ball (3).

5. The multi-unit electrostatic earphone according to claim 1, characterized in that: The pressure regulating mechanism (6) comprises an air pipe (61), the lower end of the earplug (5) is fixedly connected to the air pipe (61), the upper part of the inner wall of the air pipe (61) is fixedly connected to a fixed plate (62), the interior of the fixed plate (62) is slidably connected to a moving rod (64), the upper end of the moving rod (64) is fixedly connected to a sealing plate (65), and a second spring (66) is arranged on the outer side of the moving rod (64).

6. The multi-unit electrostatic earphone according to claim 5, characterized in that: The interior of the fixing plate (62) is provided with a plurality of air holes (63) distributed in an annular shape, and the sealing plate (65) is in contact with the air pipe (61).

7. The multi-unit electrostatic earphone according to claim 5, characterized in that: One end of the second spring (66) is fixedly connected to the moving rod (64), and the other end of the second spring (66) is fixedly connected to the fixed plate (62).

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