Loudspeaker assembly based on same space

Abstract

The utility model relates to a loudspeaker assembly based on the same space, which comprises a rectangular lower cover and an upper cover fixedly attached to the lower cover, a middle support is arranged in the space defined by the upper cover and the lower cover, a rectangular sound hole is formed in the center of the upper cover, a voice diaphragm covering the rectangular sound hole is bonded on the inner wall of the upper cover, and a loudspeaker is arranged in the middle support. A magnetic steel assembly is installed on the middle support. According to the utility model, the upper cover replaces the function of a front cover on a traditional loudspeaker single body structure, and the middle support with a simple structure replaces the function of a basin stand on the traditional loudspeaker single body structure, so that a complete loudspeaker assembly is formed, and therefore, under the condition of the same internal space, the volume of an air cavity in the loudspeaker is increased, and the volume of the air cavity is reduced. And the acoustic performance and the sound quality effect of the loudspeaker are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroacoustic technology field especially a loudspeaker assembly based on same space. BACKGROUND

[0002] The loudspeaker is a kind of transducer device to change electric signal into sound signal, and the performance of loudspeaker is greatly influenced to tone quality.

[0003] The traditional loudspeaker assembly is mainly composed of loudspeaker body, upper cover and lower cover, but it has the following shortcomings: the front cover and the basin frame are contained in the structure of the traditional loudspeaker body, and the front cover and the basin frame will occupy a large internal space during installation, so when the internal dimension space of the loudspeaker is limited, the volume of the air cavity that produces audio vibration will be reduced, thereby causing the decline of the acoustic performance of the loudspeaker and affecting the tone quality. SUMMARY

[0004] The utility model solves the technical problems: in order to overcome the deficiencies in the prior art, the utility model provides a loudspeaker assembly based on same space can effectively improve tone quality effect.

[0005] The utility model adopts the technical scheme in the technical solutions: a loudspeaker assembly based on same space, including the lower cover of rectangle and the upper cover of fixedly bonded with the lower cover, the space that the upper cover and the lower cover enclose is equipped with the intermediate support, the upper cover center is equipped with the rectangular sound hole, the inner wall of the upper cover is bonded with the sound film covering rectangular sound hole, and the intermediate support is installed with magnetic steel assembly.

[0006] Specifically, to simplify the structure, the intermediate support is the cross-shaped structure composed of two groove-shaped rods, and the intermediate support is fixed to the inner wall of the upper cover by ultrasonic welding or glue.

[0007] Further, the magnetic steel assembly is pasted in the cross-shaped structure of the intermediate support by glue.

[0008] Further, the magnetic steel assembly includes the magnetic steel body of convex letter shape, the outer edge of the bottom of the magnetic steel body has the annular convex edge of integral structure, the height of the annular convex edge is lower than the height of the protruding part of the magnetic steel body, and the annular cavity is formed between the inner side of the annular convex edge and the outer side of the protruding part of the magnetic steel body.

[0009] Further, the outer surface of the sound film has the annular convex strip surrounded in rectangular shape.

[0010] Further, the inner surface of the sound film has the annular retaining edge, the annular retaining edge extends into the annular cavity, and the bottom end of the annular retaining edge and the bottom surface of the annular cavity have a gap.

[0011] The utility model discloses a beneficial effect is: the utility model discloses by the upper cover replaces the front cover function on the traditional loudspeaker monomer structure, adopts the simple structure's intermediate support to replace the function of the basin frame on the traditional loudspeaker monomer structure, thus composed complete loudspeaker assembly, thereby under the condition of same internal space, increased the air cavity volume in the loudspeaker, effectively improved the acoustic performance and tone quality effect of loudspeaker. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further explained below in combination with the drawings and implementation.

[0013] Figure 1 It is the three-dimensional appearance structure schematic diagram of the utility model.

[0014] Figure 2 It is the sectional structure schematic diagram of the utility model.

[0015] Figure 3 It is Figure 2 The enlarged structure schematic diagram of A place in middle.

[0016] Figure 4 It is the exploded structure schematic diagram of the utility model.

[0017] In the drawing: 1. lower cover, 2. upper cover, 2.1. rectangular sound hole, 3. intermediate support, 4. sound film, 4.1 annular convex strip, 4.2 annular baffle, 5. magnetic steel assembly, 5.1 magnetic steel body, 5.2 annular convex edge, 5.3. annular cavity. DETAILED DESCRIPTION

[0018] Now the utility model is further explained in combination with the drawings. These drawings are all simplified schematic diagrams, just with the schematic way to explain the basic structure of the utility model, so it just shows the structure related to the utility model.

[0019] As Figures 1-4 Shown in a kind of loudspeaker assembly based on same space, including rectangular lower cover 1 and upper cover 2, the upper cover 2 is attached with lower cover 1 around and is fixed by ultrasonic welding, rectangular sound hole 2.1 is located in the center of upper cover 2.

[0020] The space surrounded by the upper cover 2 and lower cover 1 is equipped with intermediate support 3, the intermediate support 3 is composed of two cross-shaped structures of groove type rods, two ends of two groove type rods are vertically oriented to the inner wall of upper cover 2 and are located outside rectangular sound hole 2.1, and two ends of two groove type rods are fixed to the inner wall of upper cover 2 by ultrasonic welding.

[0021] The inner wall of the upper cover 2 is bonded with the sound film 4 covering the rectangular sound hole 2.1, and the outer surface of the sound film 4 has a rectangular annular convex strip 4.1, and the inner surface of the sound film 4 has an annular baffle 4.2.

[0022] A magnetic steel assembly 5 is installed in the intermediate support 3, and specifically, the magnetic steel assembly 5 comprises a convex magnetic steel body 5.1, the bottom of the magnetic steel body 5.1 is pasted on the two groove-shaped rods of the intermediate support 3 by glue, the upper end surface of the convex part of the magnetic steel body 5.1 is attached to the inner surface of the sound film 4, the outer edge of the bottom of the magnetic steel body 5.1 is provided with an integral annular convex edge 5.2, the height of the annular convex edge 5.2 is lower than the height of the convex part of the magnetic steel body 5.1, an annular cavity 5.3 is formed between the inner side of the annular convex edge 5.2 and the outer side of the convex part of the magnetic steel body 5.1, and the annular stop edge 4.2 extends into the annular cavity 5.3 and the bottom end of the annular stop edge 4.2 has a gap with the bottom surface of the annular cavity 5.3.

[0023] The loudspeaker assembly removes the front cover and the basket contained in the traditional loudspeaker body, the upper cover 2 replaces the front cover function of the traditional loudspeaker monomer structure, the intermediate support 3 with simple structure replaces the function of the basket of the traditional loudspeaker monomer structure, so that the complete loudspeaker assembly is formed, and the air cavity volume inside the loudspeaker is increased under the condition of the same internal space, and the acoustic performance and the sound quality effect of the loudspeaker are effectively improved.

[0024] According to the above ideal embodiment of the utility model, the related personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A same-space-based speaker assembly characterized by: The application relates to a loudspeaker, which comprises a rectangular lower cover (1) and an upper cover (2) fixedly attached to the lower cover (1), wherein a middle support (3) is arranged in the space surrounded by the lower cover (1) and the upper cover (2), a rectangular sound hole (2.1) is arranged in the center of the upper cover (2), an acoustic film (4) covering the rectangular sound hole (2.1) is attached to the inner wall of the upper cover (2), and a magnetic steel assembly (5) is arranged on the middle support (3).

2. The same-space-based speaker assembly of claim 1, wherein: The middle support (3) is a cross-shaped structure formed by two groove-shaped rods, and the middle support (3) is fixedly connected to the inner wall of the upper cover (2) through ultrasonic welding or glue.

3. The same-space-based speaker assembly of claim 2, wherein: The magnetic steel assembly (5) is attached to the cross-shaped structure of the middle support (3) through glue.

4. The same-space-based speaker assembly of claim 3, wherein: The magnetic steel assembly (5) comprises a convex magnetic steel body (5.1), and the bottom outer edge of the magnetic steel body (5.1) is provided with an integral annular convex edge (5.2) with a height lower than that of the convex part of the magnetic steel body (5.1), and an annular cavity (5.3) is formed between the inner side of the annular convex edge (5.2) and the outer side of the convex part of the magnetic steel body (5.1).

5. The same-space-based speaker assembly of claim 4, characterized by: The outer surface of the acoustic film (4) is provided with a rectangular annular convex strip (4.1).

6. The same-space-based speaker assembly of claim 5, wherein: The inner surface of the acoustic film (4) is provided with an annular stop edge (4.2) extending into the annular cavity (5.3), and the bottom end of the annular stop edge (4.2) has a gap with the bottom surface of the annular cavity (5.3).

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