Coaxial treble and bass loudspeaker

Abstract

The utility model discloses a coaxial treble and bass horn, which comprises a plastic support, a treble outer ring, a treble diaphragm, a deflation hole, T iron, a mounting groove, a bass outer ring, a bass diaphragm, a treble voice coil and a bass voice coil, the treble outer ring is arranged at the top of the plastic support, the treble diaphragm is sleeved in the treble outer ring, the deflation hole is arranged at the center of the treble diaphragm, and the T iron is arranged in the mounting groove. According to the utility model, the high-pitch diaphragm and the low-pitch diaphragm are respectively mounted through the high-pitch outer ring and the low-pitch outer ring, the low-pitch washer and the low-pitch magnet are supported by the mounting groove after mounting, and the high-pitch magnet and the high-pitch washer are supported by the T iron, so that a coaxial structure of high pitch and low pitch is formed, the overall occupied space of the loudspeaker is optimized, and the size of the earphone is reduced; the use experience of the user is improved; after the loudspeaker is installed, the high-frequency part of the loudspeaker for playing music is enhanced, the effective bandwidth of the loudspeaker is enhanced, and meanwhile, the high-pitch diaphragm is provided with the air leakage hole, so that the high-pitch diaphragm only keeps the high-frequency part of the music, and the tone quality output of the loudspeaker is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of music equipment, in particular to a coaxial high and low frequency loudspeaker. Background Art

[0002] The main function of the loudspeaker in the earphone is to convert the electrical signal into sound, amplify and output it to make the sound clearer and louder, and realize the diffusion and surround effect of sound in space through different types and layouts of loudspeakers to enhance the listening experience. Its working principle is mainly to use the movement of the energized coil in the magnetic field to drive the connected sounding body to vibrate, so as to restore the audio electrical signal into sound; in order to optimize the output of the sound quality and make the sounds of different frequencies be conveyed more clearly and accurately, the existing loudspeakers mainly include two parts: a high-frequency sounding area and a low-frequency sounding area. The two parts are relatively opposed, resulting in a large occupied space of the loudspeaker, increasing the size of the earphone and affecting the user experience; at the same time, restricted by the installation structure, the vibration generated in the low-frequency area will affect the high-frequency diaphragm, affecting the sound quality output of the loudspeaker; therefore, it is necessary to design a coaxial high and low frequency loudspeaker. Content of the Utility Model

[0003] The purpose of the utility model is to provide a coaxial high and low frequency loudspeaker to solve the problems that the existing loudspeakers mainly include two parts: a high-frequency sounding area and a low-frequency sounding area. The two parts are relatively opposed, resulting in a large occupied space of the loudspeaker, increasing the size of the earphone and affecting the user experience; at the same time, restricted by the installation structure, the vibration generated in the low-frequency area will affect the high-frequency diaphragm, affecting the sound quality output of the loudspeaker.

[0004] To solve the above technical problems, the utility model provides the following technical solutions: a coaxial high and low frequency loudspeaker, including a plastic bracket, a high-frequency outer ring, a high-frequency diaphragm, an air vent hole, a T-shaped iron, an installation groove, a low-frequency outer ring, a low-frequency diaphragm, a high-frequency voice coil, a low-frequency voice coil, a high-frequency magnet, a high-frequency washer, a low-frequency washer and a low-frequency magnet. The top of the plastic bracket is provided with a high-frequency outer ring, and a high-frequency diaphragm is sleeved in the high-frequency outer ring. An air vent hole is opened at the center of the high-frequency diaphragm; a T-shaped iron is fixedly sleeved in the plastic bracket, and an installation groove is opened in the plastic bracket. The bottom of the plastic bracket is provided with a low-frequency outer ring, and a low-frequency diaphragm is sleeved in the low-frequency outer ring.

[0005] As a further technical solution of the utility model, a high-frequency voice coil and a low-frequency voice coil are respectively arranged at the bottom of the high-frequency diaphragm and the top of the low-frequency diaphragm, and the T-shaped iron is located between the high-frequency voice coil and the low-frequency voice coil.

[0006] As a further technical solution of the utility model, a high-frequency magnet is arranged at the center of the top of the T-shaped iron, and a high-frequency washer is arranged at the top of the high-frequency magnet. Both the high-frequency magnet and the high-frequency washer are located inside the high-frequency voice coil.

[0007] As a further technical solution of the present utility model, a bass washer is sleeved in the installation groove, a bass magnet is arranged at the top of the bass washer, and the bass magnet is sleeved in the installation groove.

[0008] As a further technical solution of the present utility model, bass limiting strips are symmetrically arranged on one side of the top of the plastic bracket, and a bass PCB is clamped between the bass limiting strips.

[0009] As a further technical solution of the present utility model, treble limiting strips are symmetrically arranged on the other side of the top of the plastic bracket, and a treble PCB is clamped between the treble limiting strips.

[0010] As a further technical solution of the present utility model, arc-shaped notches are evenly formed in the plastic bracket, bass tuning paper and treble tuning paper are respectively arranged on both sides of the top of the plastic bracket, tuning holes are formed in both the bass tuning paper and the treble tuning paper, and the tuning holes are communicated with the arc-shaped notches.

[0011] The coaxial high and low frequency loudspeaker provided by the present utility model has the advantages that: by arranging a treble outer ring and a bass outer ring on the plastic bracket to respectively install a treble diaphragm and a bass diaphragm, after installation, the installation groove supports the bass washer and the bass magnet, and the T-iron supports the treble magnet and the treble washer, forming a coaxial structure of the top treble sound generating area and the bottom bass sound generating area, optimizing the overall occupied space of the loudspeaker, being beneficial to reducing the size of the earphone, and improving the user experience; after installation, the treble diaphragm, the treble magnet and the treble washer are used to strengthen the high frequency part of the music, enhancing the effective frequency bandwidth of the loudspeaker. At the same time, vent holes are formed in the treble diaphragm, so that the treble diaphragm only retains the high frequency part of the music, optimizing the sound quality output of the loudspeaker. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0013] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0014] Figure 2 It is an exploded view of the overall structure of the present utility model;

[0015] Figure 3 It is a schematic diagram of the assembly structure of the present utility model;

[0016] Figure 4 It is a three-dimensional schematic diagram of the plastic bracket in the present utility model.

[0017] In the figure: 1, plastic bracket; 2, high - frequency outer ring; 3, high - frequency diaphragm; 4, air vent hole; 5, T - iron; 6, mounting groove; 7, low - frequency outer ring; 8, low - frequency diaphragm; 9, high - frequency voice coil; 10, low - frequency voice coil; 11, high - frequency magnet; 12, high - frequency washer; 13, low - frequency washer; 14, low - frequency magnet; 15, low - frequency limiting strip; 16, low - frequency PCB; 17, high - frequency limiting strip; 18, high - frequency PCB; 19, arc notch; 20, low - frequency tuning paper; 21, high - frequency tuning paper; 22, tuning hole. Specific implementation manners

[0018] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "mount", "connect" and "couple" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0020] Please refer to Figures 1-4, an embodiment provided by the present utility model: a coaxial high and low frequency loudspeaker, comprising a plastic bracket 1, a high-frequency outer ring 2, a high-frequency diaphragm 3, an air vent 4, a T-shaped iron 5, a mounting groove 6, a low-frequency outer ring 7, a low-frequency diaphragm 8, a high-frequency voice coil 9, a low-frequency voice coil 10, a high-frequency magnet 11, a high-frequency washer 12, a low-frequency washer 13, a low-frequency magnet 14, a low-frequency limiting strip 15, a low-frequency PCB 16, a high-frequency limiting strip 17, a high-frequency PCB 18, an arc-shaped notch 19, a low-frequency tuning paper 20, a high-frequency tuning paper 21 and a tuning hole 22. A high-frequency outer ring 2 is arranged at the top of the plastic bracket 1, a high-frequency diaphragm 3 is sleeved in the high-frequency outer ring 2, and an air vent 4 is opened at the center of the high-frequency diaphragm 3; a T-shaped iron 5 is fixedly sleeved in the plastic bracket 1, and a mounting groove 6 is opened in the plastic bracket 1. A low-frequency outer ring 7 is arranged at the bottom of the plastic bracket 1, a low-frequency diaphragm 8 is sleeved in the low-frequency outer ring 7. A high-frequency voice coil 9 and a low-frequency voice coil 10 are respectively arranged at the bottom of the high-frequency diaphragm 3 and the top of the low-frequency diaphragm 8, and the T-shaped iron 5 is located between the high-frequency voice coil 9 and the low-frequency voice coil 10. The high-frequency voice coil 9 and the low-frequency voice coil 10 are respectively connected to the high-frequency PCB 18 and the low-frequency PCB 16. After the high-frequency voice coil 9 and the low-frequency voice coil 10 are energized, electromagnetic bodies are formed, and relative acting forces are respectively generated with the high-frequency magnet 11 and the low-frequency magnet 14, so that the high-frequency diaphragm 3 and the low-frequency diaphragm 8 vibrate to generate sound; a high-frequency magnet 11 is arranged at the center of the top of the T-shaped iron 5, a high-frequency washer 12 is arranged at the top of the high-frequency magnet 11, and both the high-frequency magnet 11 and the high-frequency washer 12 are located inside the high-frequency voice coil 9. The T-shaped iron 5 is used to isolate the high-frequency area and the low-frequency area to prevent the electromagnetic bodies in the high and low frequency areas from interfering with each other; a low-frequency washer 13 is sleeved in the mounting groove 6, a low-frequency magnet 14 is arranged at the top of the low-frequency washer 13, and the low-frequency magnet 14 is sleeved in the mounting groove 6. Low-frequency limiting strips 15 are symmetrically arranged on one side of the top of the plastic bracket 1, and a low-frequency PCB 16 is clamped between the low-frequency limiting strips 15; high-frequency limiting strips 17 are symmetrically arranged on the other side of the top of the plastic bracket 1, and a high-frequency PCB 18 is clamped between the high-frequency limiting strips 17; arc-shaped notches 19 are uniformly opened on the plastic bracket 1. A low-frequency tuning paper 20 and a high-frequency tuning paper 21 are respectively arranged on both sides of the top of the plastic bracket 1. Tuning holes 22 are opened on both the low-frequency tuning paper 20 and the high-frequency tuning paper 21, and the tuning holes 22 communicate with the arc-shaped notches 19; the tuning holes 22 on the tuning paper are used to control the intake air volume when the diaphragm of the loudspeaker vibrates, so as to achieve the effect of debugging the sound;

[0021] Specifically, during use, a high-frequency outer ring 2 and a low-frequency outer ring 7 are provided on the plastic bracket 1 to respectively install a high-frequency diaphragm 3 and a low-frequency diaphragm 8. After installation, the mounting groove 6 supports the low-frequency washer 13 and the low-frequency magnet 14, and the T-iron 5 supports the high-frequency magnet 11 and the high-frequency washer 12, forming a coaxial structure of the top high-frequency sound-emitting area and the bottom low-frequency sound-emitting area, optimizing the overall occupied space of the speaker, facilitating the reduction of the size of the earphone, and improving the user experience; after installation, the high-frequency diaphragm 3, the high-frequency magnet 11, and the high-frequency washer 12 are used to strengthen the high-frequency part of the music, enhancing the effective frequency bandwidth of the speaker. At the same time, vent holes 4 are provided on the high-frequency diaphragm 3, enabling the high-frequency diaphragm 3 to retain only the high-frequency part of the music, optimizing the sound quality output of the speaker.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A coaxial high and low frequency loudspeaker, comprising a plastic bracket (1), a high frequency outer ring (2), a high frequency diaphragm (3), an air vent (4), a T-iron (5), a mounting groove (6), a low frequency outer ring (7), a low frequency diaphragm (8), a high frequency voice coil (9), a low frequency voice coil (10), a high frequency magnet (11), a high frequency washer (12), a low frequency washer (13) and a low frequency magnet (14), characterized in that: The top of the plastic support (1) is provided with a treble outer ring (2), a treble diaphragm (3) is sleeved in the treble outer ring (2), and an air vent (4) is provided at the center of the treble diaphragm (3); a T-iron (5) is fixedly sleeved in the plastic support (1), and a mounting groove (6) is provided in the plastic support (1); the bottom of the plastic support (1) is provided with a bass outer ring (7), and a bass diaphragm (8) is sleeved in the bass outer ring (7).

2. The coaxial high and low frequency loudspeaker according to claim 1, characterized in that: A treble voice coil (9) and a woofer voice coil (10) are respectively arranged at the bottom of the treble diaphragm (3) and the top of the woofer diaphragm (8), and a T-iron (5) is located between the treble voice coil (9) and the woofer voice coil (10).

3. The coaxial high and low frequency loudspeaker according to claim 2, characterized in that: A treble magnet (11) is arranged at the top center of the T-iron (5), a treble washer (12) is arranged on the top of the treble magnet (11), and both the treble magnet (11) and the treble washer (12) are located inside the treble voice coil (9).

4. The coaxial high and low frequency loudspeaker according to claim 1, characterized in that: A bass washer (13) is sleeved in the installation groove (6), a bass magnet (14) is arranged on the top of the bass washer (13), and the bass magnet (14) is sleeved in the installation groove (6).

5. The coaxial high and low frequency speaker according to claim 1, characterized in that: A bass limiting strip (15) is symmetrically arranged on one side of the top of the plastic bracket (1), and a bass PCB (16) is clamped between the bass limiting strips (15).

6. The coaxial high and low frequency loudspeaker according to claim 5, characterized in that: A treble limiting strip (17) is symmetrically arranged on the other side of the top of the plastic bracket (1), and a treble PCB (18) is clamped between the treble limiting strips (17).

7. The coaxial high and low frequency speaker according to claim 1, characterized in that: The plastic support (1) is evenly provided with arc-shaped notches (19), and bass tuning paper (20) and treble tuning paper (21) are respectively arranged on both sides of the top of the plastic support (1), and tuning holes (22) are provided on the bass tuning paper (20) and the treble tuning paper (21), and the tuning holes (22) are communicated with the arc-shaped notches (19).

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