Ultrathin loudspeaker

Abstract

The utility model discloses an ultrathin loudspeaker, which comprises a basin stand with an opening, at least one mounting hole arranged on the basin stand, a magnetic circuit system arranged in the mounting hole, cone paper arranged at the opening, first through grooves symmetrically arranged on the basin stand, and rubber dampers arranged in the first through grooves and used for increasing the vibration amplitude of the cone paper. One end of the rubber damper is fixed on the cone paper and provided with a power connector, the rubber damper can replace an existing damper, a part of the rubber damper is of an inverted-U-shaped structure, the inverted-U-shaped part of the rubber damper protrudes out of the basin stand, so that a larger vibration space is provided for the cone paper, the vibration amplitude of the cone paper is larger, and the cone paper is more attractive in appearance. Therefore, under the condition of the same thickness, the vibration amplitude of the drum paper is larger, the sound is larger, and the tone quality effect is better, and under the condition that the loudspeaker needs the maximum volume, the rubber damper enables the vivid amplitude generated by the drum paper to be larger, and the loudspeaker can be made thinner.

Description

Technical Field

[0001] The utility model relates to the field of loudspeakers, in particular to an ultra-thin loudspeaker. Background Art

[0002] In traditional speakers, the U iron is usually placed outside the basin frame, and the U iron is riveted to the outside of the basin frame; and the shape of the elastic wave is flat and circular. The traditional structure cannot effectively reduce the thickness of the speaker, and the low-frequency extension is poor.

[0003] For example, the Chinese utility model patent with application number: 201720984355.8, the name of the utility model creation is an internal magnetic dual-drive ultra-thin speaker, which discloses "the radiation vibration system includes a voice coil, a spring wave, a paper support, and a radiation diaphragm; the voice coil is arranged at the outer end of the main magnet, the spring wave is bonded to the outer end of the voice coil, the spring wave is bonded to the radiation diaphragm, the top of the voice coil is provided with the paper support, and the paper support is also bonded to the radiation diaphragm." The above-mentioned spring wave is bonded to the voice coil and the radiation diaphragm, so that the vibration space that the spring wave can provide to the drum paper will be very small, and the vibration amplitude of the drum paper will also be relatively reduced. The volume and sound quality effects produced by the speaker are related to the vibration amplitude of the drum paper. In order to make the speaker sound louder, the thickness of the speaker will be made thicker to make the vibration amplitude of the drum paper larger. Utility Model Content

[0004] The purpose of the utility model is to provide an ultra-thin loudspeaker.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following scheme: an ultra-thin speaker, including a basin frame with an opening, at least one mounting hole is provided on the basin frame, a magnetic circuit system is provided in the mounting hole, a drum paper is provided at the opening, a first through groove is symmetrically provided on the basin frame, a rubber damper for increasing the vibration amplitude of the drum paper is provided in the drum paper, one end of the rubber damper is fixed on the drum paper and a power connector is provided. The utility model can replace the existing elastic wave with the rubber damper, and the partial structure of the rubber damper is inverted U shape, and the part of the rubber damper inverted U shape will protrude from the basin frame, which will give the drum paper a larger vibration space, and the vibration amplitude of the drum paper will be larger. In this way, under the same thickness, the vibration amplitude of the drum paper will be larger, the sound will be louder, and the sound quality effect will be better. In the case of the maximum volume required by the speaker, the rubber damper can make the drum paper produce a larger vivid amplitude, and the speaker can be made thinner.

[0006] As a further solution of the utility model, the rubber damper includes a U-shaped spring arranged in a first through groove, the opening of the U-shaped spring is facing the direction of the drum paper, one end of the U-shaped spring is fixed to the side wall of the U-shaped spring, a first connecting plate is fixed to the other end of the U-shaped spring, an L-shaped plate is provided under the U-shaped spring, the bottom of the L-shaped plate is fixed on the drum paper, a second connecting plate is fixed on the top of the L-shaped plate, and the second connecting plate is fixed to the bottom of the first connecting plate.

[0007] As a preferred solution of the utility model, the arc-shaped portion of the U-shaped spring protrudes out of the first through groove.

[0008] As a preferred solution of the utility model, a plurality of reinforcing ribs are sequentially provided on the arc-shaped portion of the U-shaped spring.

[0009] As a preferred solution of the utility model, the U-shaped spring, L-shaped plate and reinforcing ribs are respectively made of rubber material plates.

[0010] As a further solution of the utility model, the power connector includes a connector mounting groove arranged on the top of the basin frame, second through grooves penetrating the basin frame are symmetrically arranged on both sides of the connector mounting groove, a conductive sheet is arranged in the connector mounting groove, power terminals are respectively arranged at both ends of the conductive sheet, screw holes are respectively arranged on the conductive sheet and the connector mounting groove, and the conductive sheet is connected to the magnetic circuit system through a wire.

[0011] As a preferred solution of the utility model, the number of mounting holes arranged on the basin frame is two.

[0012] As a further solution of the utility model, the magnetic circuit system includes a U-shaped iron fixed in the mounting hole, a main magnet is arranged in the U-shaped iron, a washer is arranged at the bottom of the main magnet, a secondary magnet is arranged at the bottom of the washer, a voice coil is arranged on the outer sleeve of the main magnet, and one end of the voice coil is fixed on the drum paper.

[0013] In summary, the beneficial effect of the present invention compared with the prior art is as follows: the present invention can replace the existing elastic wave with a rubber damper, and the partial structure of the rubber damper is inverted U-shape, and the inverted U-shaped part of the rubber damper will protrude from the basin frame, which will give the drum paper a larger vibration space, and the vibration amplitude of the drum paper will be larger. In this way, under the same thickness, the vibration amplitude of the drum paper will be larger, the sound will be louder, and the sound quality effect will be better. When the maximum volume required by the speaker is required, the rubber damper can make the drum paper produce a larger amplitude, and the speaker can be made thinner. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional view of the utility model.

[0015] Figure 2 This is an exploded view of the utility model.

[0016] Figure 3 It is a cross-sectional view of the utility model.

[0017] Explanation of the reference numerals: 1. opening; 2. basin frame; 3. mounting hole; 20. magnetic circuit system; 4. drum paper; 60. power connector; 41. U-shaped spring; 42. first connecting plate; 43. L-shaped plate; 44. second connecting plate; 51. reinforcing rib: 61. connector mounting groove; 62. second through groove: 63. conductive sheet; 64. power terminal: 65. screw hole; 21. U-shaped iron; 22. main magnet: 23. washer; 24. auxiliary magnet; 25. voice coil. DETAILED DESCRIPTION

[0018] The following specific implementation content provides a variety of different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures discussed.

[0019] In addition, space-related words may be used, such as "below", "lower side", "from the inside out", "above", "upper side" and similar words. These relative words are for the convenience of describing the relationship between one element or feature and another element or feature in the drawings. These spatial relative words include different orientations of the device in use or operation, as well as the orientations described in the drawings. The device may be turned to different orientations, rotations or other orientations, and the space-related adjectives used therein may also be interpreted in the same way. Therefore, it cannot be understood as a limitation on the utility model. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods: Figures 1 to 3 An ultra-thin speaker shown in the figure includes a basin frame 2 with an opening 1, and is characterized in that: at least one mounting hole 3 is provided on the basin frame 2, a magnetic circuit system 20 is provided in the mounting hole 3, a drum paper 4 is provided at the opening 1, a first through groove 5 is symmetrically provided on the basin frame 2, a rubber damper 40 for increasing the vibration amplitude of the drum paper 4 is provided in the drum paper 4, and one end of the rubber damper 40 is fixed on the drum paper 4 and a power connector 60 is provided.

[0021] A further embodiment of the rubber damper 40 of the utility model: the rubber damper 40 includes a U-shaped spring 41 arranged in the first through groove 5, the opening of the U-shaped spring 41 is facing the drum paper 4, one end of the U-shaped spring 41 is fixed on the side wall of the U-shaped spring 41, and a first connecting plate 42 is fixed to the other end of the U-shaped spring 41, and an L-shaped plate 43 is provided below the U-shaped spring 41, the bottom of the L-shaped plate 43 is fixed on the drum paper 4, and a second connecting plate 44 is fixed on the top of the L-shaped plate 43, and the second connecting plate 44 is fixed to the bottom of the first connecting plate 42, the U-shaped spring 41 is elastic, when the ultra-thin lift is working, the drum paper will vibrate, and the U-shaped spring 41 will continuously deform and restore, so that the drum paper has a larger vibration amplitude, and the L-shaped plate 43 plays a connecting role, which can connect the drum paper and the U-shaped spring 41 together.

[0022] A further embodiment of the U-shaped spring 41 in the present invention: the arcuate portion of the U-shaped spring 41 protrudes from the first through slot 5, and the arcuate portion of the U-shaped spring 41 protrudes from the basin frame 2 to allow the drum paper to have more vibration space and to make the vibration amplitude of the drum paper larger.

[0023] A further embodiment of the U-shaped spring 41 in the present invention is as follows: a plurality of reinforcing ribs 51 are sequentially arranged on the arc-shaped portion of the U-shaped spring 41 . The reinforcing ribs 51 can further provide elasticity for the U-shaped spring 41 , and the reinforcing ribs 51 can make the U-shaped spring 41 stronger and more durable.

[0024] A further embodiment of the U-shaped spring 41 and the L-shaped plate 43 in the present invention: the U-shaped spring 41, the L-shaped plate 43 and the rib 51 are respectively made of rubber material plates, and the U-shaped spring 41 and the L-shaped plate 43 are made of rubber material plates, which can generate a larger vibration amplitude for the drum paper.

[0025] A further embodiment of the power connector 60 in the present utility model: the power connector 60 includes a connector mounting groove 61 set on the top of the basin frame 2, and second through grooves 62 that penetrate the basin frame 2 are symmetrically provided on both sides of the connector mounting groove 61. A conductive sheet 63 is provided in the connector mounting groove 61, and power terminals 64 are respectively provided at both ends of the conductive sheet 63. Screw holes 65 are respectively provided on the conductive sheet 63 and the connector mounting groove 61. The conductive sheet 63 is connected to the magnetic circuit system 20 through a wire. The power connector 60 can be connected to an external power source through the power terminals 64 on the conductive sheet 63, and transmit current to the magnetic circuit system 20 through the wire.

[0026] A further embodiment of the basin frame 2 in the present invention: the number of the mounting holes 3 arranged on the basin frame 2 is two.

[0027] A further embodiment of the magnetic circuit system 20 in the utility model: the magnetic circuit system 20 includes a U-shaped iron 21 fixed in the mounting hole 3, a main magnet 22 is arranged in the U-shaped iron 21, a washer 23 is arranged at the bottom of the main magnet 22, a secondary magnet 24 is arranged at the bottom of the washer 23, a voice coil 25 is arranged on the outer sleeve of the main magnet 22, one end of the voice coil 25 is fixed on the drum paper 4, the magnetic circuit system 20 is the existing technology, and its main function is to provide a vibration source for the drum paper so that the drum paper can vibrate after the speaker is powered on.

[0028] When in use: the U-shaped spring 41 is elastic. When the ultra-thin speaker is working, the drum paper will vibrate, and the U-shaped spring 41 will continuously deform and recover, so that the drum paper will produce a larger vibration amplitude, and the L-shaped plate 43 plays a connecting role, which can connect the drum paper and the U-shaped spring 41 together. The arc-shaped part of the U-shaped spring 41 protrudes from the basin frame 2 to allow the drum paper to have more vibration space and make the vibration amplitude of the drum paper vibrate larger. The ribs 51 can further provide elasticity for the U-shaped spring 41, and the ribs 51 can make the U-shaped spring 41 stronger and more durable. The U-shaped spring 41 and the L-shaped plate 43 are rubber plates, which can produce a larger vibration amplitude for the drum paper. The power connector 60 can be connected to an external power supply through the power terminal 64 on the conductive sheet 63, and transmit current to the magnetic circuit system 20 through the wire. The magnetic circuit system 20 is a prior art, and its main function is to provide a vibration source for the drum paper so that the drum paper can vibrate after the speaker is powered on.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An ultra-thin speaker, comprising a basin frame (2) having an opening (1), characterized in that: At least one mounting hole (3) is provided on the basin frame (2), a magnetic circuit system (20) is provided in the mounting hole (3), drum paper (4) is provided at the opening (1), a first through slot (5) is symmetrically provided on the basin frame (2), a rubber damper (40) for increasing the vibration amplitude of the drum paper (4) is provided in the drum paper (4), and one end of the rubber damper (40) is fixed on the drum paper (4) and provided with a power supply connector (60).

2. The ultra-thin speaker according to claim 1, characterized in that: The rubber damper (40) comprises a U-shaped spring (41) arranged in the first through groove (5), the opening of the U-shaped spring (41) faces the drum paper (4), one end of the U-shaped spring (41) is fixed on the side wall of the U-shaped spring (41), a first connecting plate (42) is fixed on the other end of the U-shaped spring (41), an L-shaped plate (43) is provided below the U-shaped spring (41), the bottom of the L-shaped plate (43) is fixed on the drum paper (4), a second connecting plate (44) is fixed on the top of the L-shaped plate (43), and the second connecting plate (44) is fixed on the bottom of the first connecting plate (42).

3. The ultra-thin speaker according to claim 2, characterized in that: The arc-shaped portion of the U-shaped spring (41) protrudes out of the first through groove (5).

4. The ultra-thin speaker according to claim 2, characterized in that: A plurality of reinforcing ribs (51) are sequentially arranged on the arc-shaped portion of the U-shaped spring (41).

5. The ultra-thin speaker according to claim 2, characterized in that: The U-shaped spring (41), the L-shaped plate (43) and the reinforcing rib (51) are respectively made of rubber material plates.

6. The ultra-thin speaker according to claim 2, characterized in that: The power connector (60) comprises a connector installation groove (61) arranged on the top of the basin frame (2), second through grooves (62) penetrating the basin frame (2) are symmetrically arranged on both sides of the connector installation groove (61), a conductive sheet (63) is arranged in the connector installation groove (61), power connection terminals (64) are respectively arranged at both ends of the conductive sheet (63), screw holes (65) are respectively arranged on the conductive sheet (63) and the connector installation groove (61), and the conductive sheet (63) is connected to the magnetic circuit system (20) through a wire.

7. The ultra-thin speaker according to claim 1, characterized in that: There are two mounting holes (3) arranged on the basin frame (2).

8. The ultra-thin speaker according to claim 7, characterized in that: The magnetic circuit system (20) comprises a U-shaped iron (21) fixed in the mounting hole (3), a main magnet (22) is arranged in the U-shaped iron (21), a washer (23) is arranged at the bottom of the main magnet (22), a secondary magnet (24) is arranged at the bottom of the washer (23), a voice coil (25) is arranged on the outer shell of the main magnet (22), and one end of the voice coil (25) is fixed on the drum paper (4).

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