Portable ceiling sound box

Abstract

The utility model relates to a portable ceiling sound box, comprising a bottom shell in which a first sound box is arranged; the face shell is connected with the bottom shell, and a first sound outlet corresponding to the first sound box is formed in the face shell; the first sound box comprises a dustproof cover, a sound disc, a disc rack, a fixed core support chip, a magnetic guide plate, a neodymium-iron-boron magnet and a magnetic guide column, and the thickness of the neodymium-iron-boron magnet is smaller than that of the magnetic guide plate or the magnetic guide column. According to the portable ceiling sound box provided by the utility model, the characteristics of a neodymium iron boron magnet magnetic material with relatively high remanence are utilized, and the same technical index is achieved by using a relatively small volume and a relatively light weight. And meanwhile, the weight is reduced by reducing the thickness.

Description

Technical Field

[0001] The utility model relates to the field of speakers, in particular to a portable ceiling speaker. Background Art

[0002] Existing ceiling speakers are large, heavy, difficult to install, and pose certain safety risks. In particular, ceiling speakers made of ferrite magnets have low residual magnetism and require a larger size and weight to meet design requirements. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides a portable ceiling speaker.

[0004] To achieve the above purpose, the technical solution is as follows:

[0005] A portable ceiling speaker, comprising

[0006] a bottom shell, in which a first speaker is provided;

[0007] a surface shell connected to the bottom shell and provided with a first sound outlet corresponding to the first speaker;

[0008] The first speaker box includes a dust cover, a sound disk, a disk frame, a fixed core support plate, a magnetic guide plate, a NdFeB magnet, and a magnetic guide column. The thickness of the NdFeB magnet is less than the thickness of the magnetic guide plate or the magnetic guide column.

[0009] As described above, in a portable ceiling speaker, a pressing edge is provided between the first sound outlet and the sound disk, the disk frame includes a disk surface, and a retaining edge protruding forward from the outer edge of the disk surface, and an installation cavity for the pressing edge to be embedded is formed between the retaining edge and the disk surface.

[0010] In the portable ceiling speaker as described above, the disc frame further includes a connecting edge protruding backward from the inner edge of the disc surface, a rear frame for mounting the fixed core support, and a support frame connecting the connecting edge and the rear frame.

[0011] In the portable ceiling speaker as described above, both sides of the support frame are provided with support edges extending from the connecting edge along the support frame toward the rear frame and gradually thickening.

[0012] In the portable ceiling speaker as described above, the plurality of support frames are distributed at intervals in a circumference to form a support gap between two support frames.

[0013] In the portable ceiling speaker as described above, the rear frame includes a connecting platform connected to the supporting frame, a mounting platform for mounting the fixed core support piece, and a rear side wall connecting the connecting platform and the mounting platform.

[0014] In the portable ceiling speaker as described above, the rear frame further includes a platform notch that penetrates both the installation platform and the rear side wall, and a plurality of the platform notches are spaced circumferentially.

[0015] In the portable ceiling speaker as described above, the supporting edge extends along the connecting platform to the rear side wall.

[0016] The beneficial effects of this application are:

[0017] The utility model provides a lightweight ceiling speaker, which utilizes the characteristics of NdFeB magnets with high remanence to achieve the same technical indicators with a smaller volume and lighter weight. At the same time, the weight is reduced by reducing the thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0019] Figure 1 It is a partial structural diagram of the utility model;

[0020] Figure 2 This is the structure diagram of the first speaker Figure 1 ;

[0021] Figure 3 This is the structure diagram of the first speaker Figure 2 . DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] A portable ceiling speaker, comprising

[0024] The bottom shell 1 has a first speaker 13 disposed therein;

[0025] The top shell 2 is connected to the bottom shell 1 and is provided with a first sound outlet 401 corresponding to the first speaker 13;

[0026] The first sound box 13 includes a dust cover 51, a sound disk 52, a disk frame 53, a fixed core support 54, a magnetic guide plate 55, a NdFeB magnet 56, and a magnetic guide column 57. The thickness of the NdFeB magnet 56 is less than the thickness of the magnetic guide plate 55 or the magnetic guide column 57.

[0027] The utility model provides a lightweight ceiling speaker, which utilizes the characteristics of NdFeB magnets with high remanence to achieve the same technical indicators with a smaller volume and lighter weight. At the same time, the weight is reduced by reducing the thickness.

[0028] Furthermore, as a preferred embodiment of the present invention but not a limitation, a pressing edge 58 is provided between the first sound outlet 401 and the sound disk 52, and the disk frame 53 includes a disk surface 531 and a retaining edge 532 protruding forward from the outer edge of the disk surface 531, and an installation cavity 533 for the pressing edge 58 to be embedded is formed between the retaining edge 532 and the disk surface 531.

[0029] Furthermore, as a preferred embodiment of the present invention but not a limitation, the disk rack 53 also includes a connecting edge 534 protruding backward from the inner edge of the disk surface 531, a rear frame 535 for installing the core support plate 54, and a support frame 536 connecting the connecting edge 534 and the rear frame 535.

[0030] Furthermore, as a preferred embodiment of this solution but not limiting, the support frame 536 is provided with support edges 537 on both sides, which extend from the connecting edge 534 along the support frame 536 toward the rear frame 535 and gradually thicken. This is beneficial for increasing the strength of the support frame while reducing its weight.

[0031] Furthermore, as a preferred embodiment of this solution but not limiting, the plurality of support frames 536 are distributed at intervals around the circumference to form a support gap 538 between two support frames 536, which is beneficial to reducing weight.

[0032] Furthermore, as a preferred embodiment of this solution but not limiting, the rear frame 535 includes a connecting platform 5351 connected to the support frame 536, a mounting platform 5352 for mounting the fixed core support piece 54, and a rear side wall 5353 connecting the connecting platform 5351 and the mounting platform 5352. This is beneficial for increasing strength while reducing weight.

[0033] Furthermore, as a preferred embodiment of this solution but not limiting, the rear frame 535 further includes a platform notch 5354 that penetrates both the mounting platform 5352 and the rear side wall 5353 , with a plurality of platform notches 5354 spaced circumferentially, which is beneficial for reducing weight.

[0034] Furthermore, as a preferred embodiment of this solution but not a limitation, the support edge 537 extends along the connecting platform 5351 to the rear side wall 5353, which is beneficial to enhance the strength.

[0035] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other embodiments whose principles and basic structures are the same or similar to those of the present application are within the scope of protection of the present application.

Claims

1. A portable ceiling speaker, characterized by: include A bottom shell (1) having a first sound box (13) disposed therein; A surface shell (2) connected to the bottom shell (1) and provided with a first sound outlet (401) corresponding to the first sound box (13); The first sound box (13) comprises a dust cover (51), a sound disk (52), a disk frame (53), a fixed core support (54), a magnetic guide plate (55), a neodymium iron boron magnet (56), and a magnetic guide column (57), wherein the thickness of the neodymium iron boron magnet (56) is less than the thickness of the magnetic guide plate (55) or the magnetic guide column (57).

2. The portable ceiling speaker according to claim 1, characterized in that: A pressing edge (58) is provided between the first sound outlet (401) and the sound disc (52); the disc frame (53) comprises a disc surface (531) and a retaining edge (532) protruding forward from the outer edge of the disc surface (531); and an installation cavity (533) for the pressing edge (58) to be embedded in the pressing edge (58) is formed between the retaining edge (532) and the disc surface (531).

3. The portable ceiling speaker according to claim 2, characterized in that: The disk rack (53) further includes a connecting edge (534) protruding rearward from the inner edge of the disk surface (531), a rear frame (535) for mounting the fixed core support plate (54), and a support frame (536) connecting the connecting edge (534) and the rear frame (535).

4. The portable ceiling speaker according to claim 3, characterized in that: The support frame (536) is provided with support edges (537) on both sides thereof, extending from the connecting edge (534) along the support frame (536) toward the rear frame (535) and gradually thickening.

5. The portable ceiling speaker according to claim 3, characterized in that: The plurality of support frames (536) are distributed at intervals around the circumference to form a support gap (538) between two support frames (536).

6. The portable ceiling speaker according to claim 4, characterized in that: The rear frame (535) includes a connecting platform (5351) connected to the support frame (536), an installation platform (5352) for installing the fixed core support piece (54), and a rear side wall (5353) connecting the connecting platform (5351) and the installation platform (5352).

7. The portable ceiling speaker according to claim 6, characterized in that: The rear frame (535) further includes a platform notch (5354) that penetrates both the mounting platform (5352) and the rear side wall (5353), and a plurality of the platform notches (5354) are spaced circumferentially.

8. The portable ceiling speaker according to claim 6, characterized in that: The supporting edge (537) extends along the connecting platform (5351) to the rear side wall (5353).

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