Light and thin loudspeaker

Abstract

The utility model discloses a light and thin loudspeaker, which relates to the technical field of loudspeakers and comprises an installation support, two vibration units are arranged on the installation support, the installation support is connected with a sound production paperboard through a flexible connecting piece, and the vibration output ends of the vibration units are connected with the sound production paperboard. Two tooth-shaped connecting pieces used for fixing the mounting bracket on a fixed surface are symmetrically arranged on the mounting bracket, the shape of each tooth-shaped connecting piece is matched with that of a bulge on the fixed surface, and the sound production paperboard is connected to the mounting bracket through a centering structure. According to the utility model, the tooth-shaped connecting pieces are symmetrically arranged on the mounting bracket, and when the loudspeaker is fixed on the fixed surface, the tooth-shaped connecting pieces are matched with the bulges on the fixed surface, so that the loudspeaker is fixed in multiple aspects, the reliability is higher, and the situation that the sound production quality becomes poor due to relative sliding between the loudspeaker and the fixed surface is prevented.

Description

Technical Field

[0001] This utility model relates to the field of loudspeaker technology, specifically a thin and light loudspeaker. Background Technology

[0002] A loudspeaker, also known as a speaker, is used to emit sound when playing audio. When a loudspeaker moves as a whole relative to a fixed surface during use, the sound quality can deteriorate. Generally, loudspeakers on the market are fixed with screws, and the contact surface between the loudspeaker and the fixed surface is a plane. During use, the relative displacement between the loudspeaker and the fixed surface is prevented only by the friction of the contact surface, which has poor reliability.

[0003] Based on this, a thin and light speaker is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0004] The purpose of this invention is to provide a thin and light speaker to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A thin and light speaker includes a mounting bracket with two vibration units on it. The mounting bracket is connected to a sound-emitting board via a flexible connector. The vibration output end of each vibration unit is connected to the sound-emitting board. The mounting bracket is symmetrically provided with two toothed connectors for fixing the mounting bracket to a fixed surface. The shape of the toothed connectors matches the protrusions on the fixed surface. The sound-emitting board is connected to the mounting bracket via a centering structure.

[0007] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0008] In one alternative: the toothed connector is connected to a connecting block on a mounting bracket, the connecting block having a mounting plane, a mounting ramp, and a limiting surface, the mounting plane contacting a fixing surface, the mounting ramp contacting a protrusion on the fixing surface, and the limiting surface contacting a protrusion on the fixing surface.

[0009] In one alternative, the mounting bracket is made of aluminum.

[0010] In one alternative: the flexible connector includes two U-shaped connecting pieces symmetrically connected to the mounting bracket, one end of the U-shaped connecting piece is connected to a Z-shaped connecting piece, the other end of the Z-shaped connecting piece is connected to a sound-emitting cardboard, and the U-shaped connecting piece is made of rubber.

[0011] In one alternative: the U-shaped connecting piece is provided with reinforcing ribs.

[0012] In one alternative embodiment: the vibration unit includes a U-shaped sleeve connected to a mounting bracket, the U-shaped sleeve being made of ferromagnetic material, a main magnetic block connected inside the U-shaped sleeve, a washer connected to the main magnetic block, a secondary magnetic block connected to the washer, the washer being disposed between the main magnetic block and the secondary magnetic block, a voice coil being provided inside the U-shaped sleeve, the U-shaped sleeve being annular, the U-shaped sleeve being sandwiched between the main magnetic block and the U-shaped sleeve, and a sound-generating cardboard being connected to one end of the U-shaped sleeve.

[0013] In one alternative: the centering structure includes a centering rubber ring disposed around the periphery of the sound-emitting cardboard, a fixing plate connected around the centering rubber ring, a limiting groove matching the fixing plate on the mounting bracket, the fixing plate being fixed in the limiting groove on the mounting bracket, and the centering rubber ring being made of rubber.

[0014] In one alternative: the sound-emitting cardboard is a grooved flat cardboard.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] This invention uses symmetrically arranged toothed connectors on the mounting bracket. When the speaker is fixed to the fixed surface, the toothed connectors cooperate with the protrusions on the fixed surface to fix the speaker from multiple angles, which enhances reliability and prevents relative sliding between the speaker and the fixed surface, thus preventing a deterioration in sound quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the disassembled structure of the vibration unit of this utility model.

[0018] Figure 2 This is a schematic diagram of the sound-generating cardboard structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the flexible connector structure of this utility model.

[0020] Figure reference numerals: 101, mounting bracket; 102, voice coil; 103, U-shaped sleeve; 104, main magnet; 105, auxiliary magnet; 106, washer; 201, connecting block; 202, mounting plane; 203, mounting slope; 204, limiting surface; 301, U-shaped connecting piece; 302, Z-shaped connecting piece; 303, reinforcing rib; 401, limiting groove; 402, centering rubber ring; 403, fixing plate; 404, sound-producing paperboard. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0022] In one embodiment, such as Figures 1-3As shown, a thin and light speaker includes a mounting bracket 101. The mounting bracket 101 is provided with two vibration units. The mounting bracket 101 is connected to a sound-emitting cardboard 404 via a flexible connector. The vibration output end of the vibration unit is connected to the sound-emitting cardboard 404. The mounting bracket 101 is symmetrically provided with two toothed connectors for fixing the mounting bracket 101 to a fixed surface. The shape of the toothed connectors matches the protrusions on the fixed surface. The sound-emitting cardboard 404 is connected to the mounting bracket 101 via a centering structure.

[0023] In this embodiment, the toothed connector engages with the protrusion on the fixing surface and is fixed with screws, resulting in greater reliability.

[0024] In one embodiment, such as Figure 1 As shown, the toothed connector is connected to the connecting block 201 on the mounting bracket 101. The connecting block 201 is provided with a mounting plane 202, a mounting inclined surface 203, and a limiting surface 204. The mounting plane 202 contacts the fixed surface, the mounting inclined surface 203 contacts the protrusion on the fixed surface, and the limiting surface 204 contacts the protrusion on the fixed surface. When installing the horn, the mounting plane 202 on the connecting block 201 is in close contact with the fixed surface, and the horn is fixed by friction. At the same time, the limiting surface 204 is in close contact with the protrusion on the fixed surface, and directly limits the horn. The mounting inclined surface 203 converts part of the horizontal force into a vertical force, that is, a part of the screw tightening force is used to directly prevent the horn from sliding on the fixed surface.

[0025] In one embodiment, such as Figure 1 As shown, the mounting bracket 101 is made of aluminum, which is sturdy and lightweight.

[0026] In one embodiment, such as Figure 3 As shown, the flexible connector includes two U-shaped connecting pieces 301 symmetrically connected to the mounting bracket 101. One end of the U-shaped connecting piece 301 is connected to the Z-shaped connecting piece 302, and the other end of the Z-shaped connecting piece 302 is connected to the sound-generating cardboard 404. The U-shaped connecting piece 301 is made of rubber and has reinforcing ribs 303 to improve the consistency of the vibration direction of the sound-generating cardboard 404 when it vibrates, which is beneficial to improving the sound quality.

[0027] In one embodiment, such as Figure 1As shown, the vibration unit includes a U-shaped sleeve 103 connected to the mounting bracket 101. The U-shaped sleeve 103 is made of ferromagnetic material. A main magnetic block 104 is connected inside the U-shaped sleeve 103. A washer 106 is connected to the main magnetic block 104. A secondary magnetic block 105 is connected to the washer 106. The washer 106 is located between the main magnetic block 104 and the secondary magnetic block 105. A voice coil 102 is provided inside the U-shaped sleeve 103. The U-shaped sleeve 103 is annular and is sandwiched between the main magnetic block 104 and the U-shaped sleeve 103. One end of the U-shaped sleeve 103 is connected to a sound-emitting cardboard 404. An alternating current is supplied to the voice coil 102 through an audio playback device, causing the voice coil 102 to move back and forth inside the U-shaped sleeve 103, which drives the sound-emitting cardboard 404 to vibrate. The sound-emitting cardboard 404 pushes the air to produce sound.

[0028] In one embodiment, such as Figure 2 As shown, the centering structure includes a centering rubber ring 402 disposed around the sound-emitting cardboard 404, and a fixing plate 403 connected around the centering rubber ring 402. The mounting bracket 101 is provided with a limiting groove 401 that matches the fixing plate 403. The fixing plate 403 is fixed in the limiting groove 401 on the mounting bracket 101. The centering rubber ring 402 is made of rubber. When the voice coil 102 moves back and forth and drives the sound-emitting cardboard 404 to vibrate, it keeps the vibration direction of the sound-emitting cardboard 404 perpendicular to the plane where the sound-emitting cardboard 404 is located, thus ensuring sound quality.

[0029] In one embodiment, such as Figure 3 As shown, the sound-generating cardboard 404 is a grooved flat cardboard, which is thinner and occupies less space compared to the cup-shaped sound-generating cardboard.

[0030] The above embodiment discloses a thin and light speaker. When installing the speaker, the mounting surface 202 on the connecting block 201 is in close contact with the fixing surface, and the speaker is fixed by friction. At the same time, the limiting surface 204 is in close contact with the protrusion on the fixing surface, which directly limits the speaker. The mounting inclined surface 203 converts part of the horizontal force into vertical force, that is, a part of the screw tightening force is used to directly prevent the speaker from sliding on the fixing surface, which is more reliable and prevents relative sliding between the speaker and the fixing surface from causing a deterioration in sound quality.

[0031] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A thin and light speaker, comprising a mounting bracket (101), characterized in that, The mounting bracket (101) is provided with two vibration units. The mounting bracket (101) is connected to the sound-emitting cardboard (404) through a flexible connector. The vibration output end of the vibration unit is connected to the sound-emitting cardboard (404). The mounting bracket (101) is symmetrically provided with two toothed connectors for fixing the mounting bracket (101) to the fixed surface. The shape of the toothed connector matches the protrusion on the fixed surface. The sound-emitting cardboard (404) is connected to the mounting bracket (101) through a centering structure.

2. The thin and light speaker according to claim 1, characterized in that, The toothed connector is connected to the connecting block (201) on the mounting bracket (101). The connecting block (201) is provided with a mounting plane (202), a mounting inclined surface (203) and a limiting surface (204). The mounting plane (202) is in contact with the fixing surface, the mounting inclined surface (203) is in contact with the protrusion on the fixing surface, and the limiting surface (204) is in contact with the protrusion on the fixing surface.

3. The thin and light speaker according to claim 1, characterized in that, The mounting bracket (101) is made of aluminum.

4. A thin and light speaker according to claim 1, characterized in that, The flexible connector includes two U-shaped connecting pieces (301) symmetrically connected to the mounting bracket (101). One end of the U-shaped connecting piece (301) is connected to a Z-shaped connecting piece (302), and the other end of the Z-shaped connecting piece (302) is connected to a sound-emitting cardboard (404). The U-shaped connecting piece (301) is made of rubber.

5. A thin and light speaker according to claim 4, characterized in that, The U-shaped connecting piece (301) is provided with reinforcing ribs (303).

6. A thin and light speaker according to claim 1, characterized in that, The vibration unit includes a U-shaped sleeve (103) connected to a mounting bracket (101). The U-shaped sleeve (103) is made of ferromagnetic material. A main magnetic block (104) is connected inside the U-shaped sleeve (103). A washer (106) is connected to the main magnetic block (104). A secondary magnetic block (105) is connected to the washer (106). The washer (106) is located between the main magnetic block (104) and the secondary magnetic block (105). A voice coil (102) is provided inside the U-shaped sleeve (103). The U-shaped sleeve (103) is annular and is sandwiched between the main magnetic block (104) and the U-shaped sleeve (103). One end of the U-shaped sleeve (103) is connected to a sound-emitting cardboard (404).

7. A thin and light speaker according to claim 1, characterized in that, The centering structure includes a centering rubber ring (402) disposed around the sound-emitting cardboard (404), and a fixing plate (403) connected around the centering rubber ring (402). The mounting bracket (101) is provided with a limiting groove (401) that matches the fixing plate (403). The fixing plate (403) is fixed in the limiting groove (401) on the mounting bracket (101). The centering rubber ring (402) is made of rubber.

8. A thin and light speaker according to claim 7, characterized in that, The sound-generating cardboard (404) is a grooved flat cardboard.

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