Conducting phase protection structure and sound box

Abstract

The utility model discloses a conduction phase protection structure and a sound box, and relates to the technical field of loudspeakers, the conduction phase protection structure comprises two symmetrically arranged tube bodies; one end of each pipe body is provided with a first notch, the other end of each pipe body is provided with a second notch, when the two pipe bodies are connected, the two first notches are spliced to form a first phase guide hole, and the two second notches are spliced to form a second phase guide hole; the first phase guide hole is used for being communicated with the external environment, and the height of the second phase guide hole is larger than that of the first phase guide hole.

Description

Technical Field

[0001] This utility model relates to the field of loudspeaker technology, and in particular to a phase-conducting protection structure and a speaker enclosure. Background Technology

[0002] The phase guide tube is a structural component used to enhance and improve the sound quality of audio products, and it is usually located on the back of the device for aesthetic purposes. Because the phase guide tube has a hollow structure, foreign objects may enter the device through it, affecting speaker function or sound quality. In addition, it may also cause children to put their hands through the phase guide tube into the device and touch internal heating elements, live parts, or other dangerous items, resulting in accidents. Utility Model Content

[0003] The main purpose of this utility model is to propose a phase guide protection structure and a speaker, which aims to solve the technical problem that the hollow phase guide tube in the prior art can easily lead to foreign objects entering the speaker, and at the same time poses a safety hazard.

[0004] To achieve the above objectives, this utility model proposes a phase-guiding protection structure, which includes two symmetrically arranged tubes. One end of each tube has a first notch, and the other end has a second notch. When the two tubes are connected, the two first notches are joined to form a first phase-guiding hole, and the two second notches are joined to form a second phase-guiding hole. The first phase-guiding hole is used to communicate with the external environment, and the height of the second phase-guiding hole is higher than the height of the first phase-guiding hole.

[0005] This utility model also proposes a speaker, on which a phase-conducting protection structure as described above is applied. Attached Figure Description

[0006] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0007] Figure 1 A schematic diagram of the phase-conducting protection structure provided by this utility model;

[0008] Figure 2 An exploded view of the phase-conducting protection structure provided by this utility model;

[0009] Figure 3 A schematic diagram of the speaker provided by this utility model.

[0010] Explanation of icon numbers:

[0011] 10. Tube body; 11. First notch; 12. Second notch; 21. First phase guide hole; 22. Second phase guide hole; 30. Protective cover assembly; 31. First protective cover; 311. Dustproof net; 312. Flanged edge; 313. Through hole; 32. Second protective cover.

[0012] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0014] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0015] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0016] This utility model proposes a phase-conducting protection structure.

[0017] Please see Figure 1, in an embodiment of the present utility model, the phase-guide protection structure includes two symmetrically arranged pipe bodies 10; one end of the pipe body 10 has a first notch 11, and the other end has a second notch 12. When the two pipe bodies 10 are connected, the two first notches 11 are spliced to form a first phase-guide hole 21, and the two second notches 12 are spliced to form a second phase-guide hole 22; the first phase-guide hole 21 is used to communicate with the external environment, and the height of the second phase-guide hole 22 is higher than that of the first phase-guide hole 21.

[0018] In this embodiment, both of the two pipe bodies 10 are in a "C" shape, so that a first notch 11 and a second notch 12 are formed at both ends of the pipe body 10. The pipe body 10 is a hollow structure, enabling the first notch 11 and the second notch 12 to communicate. The two pipe bodies 10 are symmetrically arranged. When the two pipe bodies 10 are spliced together, the first notches 11 on the two pipe bodies 10 are spliced to form a first phase-guide hole 21 in a "square" shape, and the second notches 12 on the two pipe bodies 10 are spliced to form a second phase-guide hole 22 in a "square" shape.

[0019] Furthermore, ultrasonic welding is adopted between the two pipe bodies 10, so that the connection position of the two pipe bodies 10 is smoother and more stable, improving the connection strength of the pipe body 10.

[0020] When assembling the phase-guide protection structure onto the box body of the speaker, an opening is provided on the box body, and the first phase-guide hole 21 is covered at this opening position, so that the first phase-guide hole 21 communicates with the external environment through this opening, achieving the effect of improving the sound quality of the speaker.

[0021] After the assembly is completed, the first phase-guide hole 21 is located at the bottommost part of the pipe body 10, the other end of the pipe body 10 extends into the box body, and the pipe body 10 extends from bottom to top, so that the hole surface of the second phase-guide hole 22 faces the top of the box body. By adopting the method of setting the first phase-guide hole 21 at the bottommost part of the pipe body 10, it is prevented that foreign objects enter the pipe body 10 from the first phase-guide hole 21 and then enter the box body through the pipe body 10.

[0022] As an embodiment, the pipe body 10 is in an arc shape, that is, the pipe body 10 has one or more bending parts, thus preventing children from directly putting their hands into the interior of the box body through the first phase-guide hole 21.

[0023] In this embodiment, when assembling the pipe body 10 onto the box body, the first phase-guide hole 21 is arranged on the side wall of the box body. Usually, the side wall of the box body is a vertical side wall. Therefore, the hole surface of the first phase-guide hole 21 is vertically arranged, and the pipe body 10 bends upward from the first phase-guide hole 21, so that the hole surface of the second phase-guide hole 22 faces upward, preventing children from putting their hands into the interior of the box body.

[0024] In this embodiment, the first phase guide hole 21 is vertically arranged, the second phase guide hole 22 is inclined, and the hole surface of the second phase guide hole 22 faces upward. An included angle is formed between the hole surface of the first phase guide hole 21 and the hole surface of the second phase guide hole 22. This included angle can be set to, for example, between 30° and 45°, thereby preventing foreign objects from entering the box through the tube 10.

[0025] As one embodiment, a protective cover assembly 30 is also provided on the second phase guide hole 22, thereby further improving the safety of the tube body 10 and preventing foreign objects from entering the box through the tube body 10.

[0026] The surface of the protective cover assembly 30 is mesh-like, that is, the surface of the protective cover assembly 30 is composed of multiple tiny mesh holes, which serves to isolate foreign objects.

[0027] Specifically, the protective cover assembly 30 is composed of a first protective cover 31 and a second protective cover 32. Before assembly, the first protective cover 31 is installed on the second notch 12 of one of the tubes 10, and the second protective cover 32 is installed on the second notch 12 of the other tube 10.

[0028] When the two tubes 10 are spliced ​​together, the edges of the first protective cover 31 and the second protective cover 32 abut against each other, and are also ultrasonically welded to form a protective cover assembly 30 covering the second phase guide hole 22. That is, when the two tubes 10 are connected, the first protective cover 31 abuts against the second protective cover 32 to form a protective cover assembly 30 for covering the second phase guide hole 22.

[0029] As one embodiment, the first protective cover 31 and the second protective cover 32 have similar structures and are symmetrically arranged, and are collectively referred to as protective covers. The surface of the protective cover is a dustproof mesh 311, which is used to cover the second phase guide hole 22, and the edge of the protective cover has a flange 312 extending toward the tube body 10. The flange 312 is used to connect with the edge of the second notch 12 on the tube body 10.

[0030] In this embodiment, the length of the flange 312 is set to 8mm, so that there is an 8mm gap between the surface of the dustproof mesh 311 of the assembled protective cover and the first notch 11, that is, there is a gap between the dustproof mesh 311 and the hole surface of the second phase guide hole 22, and the length of the gap is 8mm. By setting the gap, the wind noise of the speaker during use can be effectively reduced.

[0031] Theoretically, the greater the distance between the mesh surface of the protective cover and the second phase guide hole 22, the less wind noise is generated. However, increasing the spacing also requires more stacking space, leading to increased speaker costs. In this embodiment, a reasonable spacing can be set by adjusting the acoustic performance using simulation software.

[0032] In addition, multiple through holes 313 are provided on the flange 312, which can further reduce wind noise.

[0033] This utility model also proposes a speaker that uses the above-mentioned phase-conducting protection structure. The specific structure of the phase-conducting protection structure is as described in the above embodiments. Since this phase-conducting tube adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0034] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A phase guide protection structure, characterized by, The phase guide protection structure comprises two symmetrically arranged pipe bodies; one end of the pipe body is provided with a first notch, and the other end is provided with a second notch; when the two pipe bodies are connected, the two first notches are spliced to form a first phase guide hole, and the two second notches are spliced to form a second phase guide hole. The first phase guide hole is used for communication with the external environment, and the height of the second phase guide hole is higher than that of the first phase guide hole.

2. The phase guide guard structure of claim 1, wherein, The pipe body is in the shape of a circular arc, the hole surface of the first phase guide hole is vertically arranged, and one end of the pipe body is smoothly extended upward from the first phase guide hole until it extends to the position of the second phase guide hole.

3. The phase guide guard structure of claim 1, wherein, The hole surface of the first phase guide hole and the hole surface of the second phase guide hole have an included angle therebetween.

4. The phase guide guard structure of claim 1, wherein, The phase guide protection structure further comprises a protective cover assembly, and the protective cover assembly is arranged on the second phase guide hole.

5. The phase guide guard structure of claim 4, wherein, The protective cover assembly comprises a first protective cover and a second protective cover, the first protective cover is arranged on one of the pipe bodies, and the other protective cover is arranged on the other pipe body. When the two pipe bodies are connected, the first protective cover and the second protective cover abut to cover the second phase guide hole.

6. The phase guide guard structure of claim 5, wherein, The first protective cover and the second protective cover both comprise a dust screen, the edge of the dust screen has a flange extending towards one side of the pipe body, and the flange is wrapped around the edge outer wall of the pipe body.

7. The phase guide guard structure of claim 6, wherein, The flange has a plurality of through holes, and the through holes are arranged at intervals.

8. The phase guide guard structure of claim 6, wherein, The dust screen and the hole surface of the second phase guide hole have a gap therebetween, and the length of the gap is 8mm.

9. The phase guide guard structure of any one of claims 1-8, wherein, The two pipe bodies are connected by ultrasonic welding.

10. A sound box, characterized in that, The sound box is applied with the phase guide protection structure according to any one of claims 1-9.

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