Passive radiator structure and sound box

Abstract

The passive radiator structure comprises a frame, a metal plate, an upper edge piece and a lower edge piece, the upper edge piece and the lower edge piece are arranged on the upper side face and the lower side face of the frame respectively, the outer edge of the upper edge piece and the outer edge of the lower edge piece are connected with the frame, and the inner edge of the upper edge piece and the inner edge of the lower edge piece are connected with the metal plate. And the metal plate is supported to be suspended in the frame opening of the frame. The utility model also discloses a sound box. Compared with a conventional passive plate structure, the passive radiator structure provided by the utility model has the advantages that the structure is simple, the framework is utilized to provide support, and the upper edge chamber and the lower edge chamber are arranged on two sides of the framework to support the metal plate, so that the problems of insufficient support force and insufficient rigidity are solved.

Description

Technical Field

[0001] The utility model relates to the field of sound boxes, in particular to a passive radiator structure and a sound box. Background Art

[0002] In order to improve the low-frequency volume of the speaker, PR passive panels are widely used. However, conventional passive panels are usually supported on one side, which leads to insufficient support during movement, asymmetric rigidity on both sides, and sagging and instability due to gravity, resulting in distortion and functional defects. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides a passive radiator structure and a speaker.

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

[0005] The passive radiator structure includes a frame, a metal plate, and an upper side piece and a lower side piece respectively arranged on the upper and lower sides of the frame, the outer edge of the upper side piece and the outer edge of the lower side piece are connected to the frame, and the inner edge of the upper side piece and the inner edge of the lower side piece are connected to the metal plate to support the metal plate to be suspended in the frame opening of the frame.

[0006] As described above, the passive radiator structure, the upper side piece includes an upper outer connecting portion for forming its outer edge, an upper supporting portion, and an upper inner connecting portion for forming its inner edge, and the upper outer connecting portion, the upper supporting portion and the upper inner connecting portion are integrally connected in sequence.

[0007] As described above, in the passive radiator structure, the lower side piece includes a lower outer connecting portion for forming its outer edge, a lower supporting portion, and a lower inner connecting portion for forming its inner edge, and the lower outer connecting portion, the lower supporting portion and the lower inner connecting portion are integrally connected in sequence.

[0008] In the passive radiator structure as described above, a cavity is formed between the upper supporting part and the lower supporting part, and a pressure relief hole connecting the cavity with the outside is provided on the lower supporting part.

[0009] In the passive radiator structure as described above, the upper side piece and the lower side piece are symmetrically arranged.

[0010] In the passive radiator structure as described above, the upper support portion is bent toward the upper side surface of the frame so that its cross section is U-shaped.

[0011] In the passive radiator structure as described above, the lower support portion is bent toward the lower side surface of the frame so that its cross section is U-shaped.

[0012] In the passive radiator structure as described above, the upper side piece and the lower side piece are both made of flexible material.

[0013] In the passive radiator structure as described above, the upper supporting portion gradually bulges along the direction from the upper outer connecting portion to the upper inner connecting portion and then gradually falls back.

[0014] A speaker box comprising a passive radiator structure as described above.

[0015] The beneficial effects of this application are:

[0016] The utility model provides a passive radiator structure which is simpler in structure than a conventional passive plate structure, utilizes a frame to provide support, and arranges upper and lower side spaces on both sides of the frame to support the metal plate, thereby solving the problems of insufficient supporting force and insufficient rigidity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 yes Figure 1 Half-section of

[0020] Figure 3 yes Figure 1 Exploded diagram of . DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] The passive radiator structure includes a frame 1, a metal plate 2, and an upper side piece 3 and a lower side piece 4 respectively arranged on the upper and lower sides of the frame 1, the outer edge of the upper side piece 3 and the outer edge of the lower side piece 4 are connected to the frame 1, the inner edge of the upper side piece 3 and the inner edge of the lower side piece 4 are connected to the metal plate 2 to support the metal plate 2 suspended in the frame opening of the frame 1, and the upper side piece 3.

[0023] The utility model provides a passive radiator structure, which is simpler in structure than a conventional passive plate structure, uses a frame to provide support, and sets upper and lower side spaces on both sides of the frame to support the metal plate, solving the problem of insufficient support force and insufficient rigidity. The upper and lower side pieces on the upper and lower sides provide sufficient support force, solving the problem of metal plate collapse.

[0024] Further, as a preferred embodiment of the present invention but not limiting, the upper side piece 3 includes an upper outer connecting portion 31 for forming its outer edge, an upper supporting portion 32, and an upper inner connecting portion 33 for forming its inner edge, and the upper outer connecting portion 31, the upper supporting portion 32 and the upper inner connecting portion 33 are connected in sequence as one piece. The integrated upper side piece solves the installation and fixing problems and the sealing problems.

[0025] Further, as a preferred embodiment of the present invention but not limiting, the lower side piece 4 includes a lower outer connecting portion 41 for forming its outer edge, a lower supporting portion 42, and a lower inner connecting portion 43 for forming its inner edge, and the lower outer connecting portion 41, the lower supporting portion 42 and the lower inner connecting portion 43 are connected in sequence. The integrated upper side piece solves the installation and sealing problems. The upper side piece, the frame and the lower side piece are all provided with corresponding mounting holes.

[0026] Further, as a preferred implementation of the present solution but not limiting, a cavity 5 is formed between the upper support portion 32 and the lower support portion 42, and a pressure relief hole 6 connecting the cavity 5 with the outside is provided on the lower support portion 42. The pressure relief hole solves the nonlinear distortion caused by holding the breath.

[0027] Further, as a preferred implementation of the present solution but not limiting, the upper side piece 3 and the lower side piece 4 are symmetrically arranged. Due to the symmetrical arrangement, the rigidity of the bilateral motion is symmetrical and the odd harmonic distortion is reduced.

[0028] Furthermore, as a preferred implementation of the present solution but not a limitation, the upper support portion 32 is bent toward the upper side surface of the frame 1 so that its cross section is U-shaped.

[0029] Furthermore, as a preferred implementation of the present solution but not a limitation, the lower support portion 42 is bent toward the lower side surface of the frame 1 so that its cross section is U-shaped.

[0030] Further, as a preferred implementation of the present solution but not limiting, the upper side piece 3 and the lower side piece 4 are both made of flexible materials, including rubber, plastic, silicone and the like.

[0031] Further, as a preferred implementation manner of the present solution but not a limitation, the upper supporting portion 32 gradually bulges along the direction from the upper outer connecting portion 31 to the upper inner connecting portion 33 and then gradually falls back.

[0032] A speaker box comprising a passive radiator structure as described above.

[0033] 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 principles and basic structures that are the same or similar to those of the present application are within the protection scope of the present application.

Claims

1. Passive radiator structure, characterized in that: The invention comprises a frame (1), a metal plate (2), and an upper side piece (3) and a lower side piece (4) respectively arranged on the upper and lower sides of the frame (1), wherein the outer edge of the upper side piece (3) and the outer edge of the lower side piece (4) are connected to the frame (1), and the inner edge of the upper side piece (3) and the inner edge of the lower side piece (4) are connected to the metal plate (2) to support the metal plate (2) to be suspended in the frame opening of the frame (1), and the upper side piece (3).

2. The passive radiator structure according to claim 1, characterized in that: The upper side member (3) comprises an upper outer connecting portion (31) for forming an outer edge thereof, an upper supporting portion (32), and an upper inner connecting portion (33) for forming an inner edge thereof, wherein the upper outer connecting portion (31), the upper supporting portion (32) and the upper inner connecting portion (33) are integrally connected in sequence.

3. The passive radiator structure according to claim 2, characterized in that: The lower side piece (4) comprises a lower outer connecting portion (41) for forming an outer edge thereof, a lower supporting portion (42), and a lower inner connecting portion (43) for forming an inner edge thereof, wherein the lower outer connecting portion (41), the lower supporting portion (42) and the lower inner connecting portion (43) are integrally connected in sequence.

4. The passive radiator structure according to claim 3, characterized in that: A cavity (5) is formed between the upper support portion (32) and the lower support portion (42), and a pressure relief hole (6) is provided on the lower support portion (42) for connecting the cavity (5) with the outside.

5. The passive radiator structure according to claim 1, characterized in that: The upper side piece (3) and the lower side piece (4) are symmetrically arranged.

6. The passive radiator structure according to claim 3, characterized in that: The upper support portion (32) is bent toward the upper side surface of the frame (1) so that its cross section is U-shaped.

7. The passive radiator structure according to claim 3, characterized in that: The lower support portion (42) is bent toward the lower side of the frame (1) so that its cross section is U-shaped.

8. The passive radiator structure according to claim 1, characterized in that: The upper side piece (3) and the lower side piece (4) are both made of flexible material.

9. The passive radiator structure according to claim 2, characterized in that: The upper supporting portion (32) gradually bulges along the direction from the upper outer connecting portion (31) to the upper inner connecting portion (33) and then gradually falls back.

10. A speaker, characterized in that: Comprising the passive radiator structure as described in any one of claims 1-9.

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