Stereo sound box

Abstract

The utility model provides a stereo sound box which comprises a box body, the box body is provided with a high pitch part, a low pitch part and a ventilation part, the high pitch part is arranged above the low pitch part, and the ventilation part is arranged below the low pitch part; the high-pitch part is provided with a high-pitch loudspeaker, the high-pitch loudspeaker is arranged in the box body, and a sealing cover is arranged outside the high-pitch loudspeaker; the bass part is provided with a bass horn which extends into the box body; the ventilation part is provided with two air guide pipes, and the two ends of each air guide pipe are opened to communicate the interior and the exterior of the box body. According to the stereophonic sound box provided by the utility model, the structures and positions of the high pitch part, the low pitch part and the ventilation part are reasonably arranged, so that the sound mixing and resonance of each sound channel in the box body can be effectively improved, and the sound performance of stereophonic sound is improved.

Description

Technical Field

[0001] The present application relates to the technical field of audio equipment, and in particular to a stereo speaker. Background Art

[0002] As people's requirements for sound quality increase, the performance and design of audio equipment are also constantly developing and improving.

[0003] There are many kinds of stereo speakers on the market, but most of them have certain deficiencies in the performance of treble and bass and ventilation effect, resulting in unsatisfactory sound effects. For example, some speakers are prone to distortion or unclearness when playing high-frequency sounds; in terms of low-frequency performance, they often lack sufficient shock; there is interference mixing between high and low frequencies, affecting the resolution of each part. In addition, deficiencies in conduction design will also affect the resonance inside the box and affect the sound quality.

[0004] Therefore, it is of great significance to design a stereo speaker that can effectively improve the expressiveness of treble and bass. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present application provides a stereo speaker, which effectively reduces the resonance and mixing inside the box through a specific structural design, thereby improving the sound quality performance.

[0006] Specifically, the present application provides a stereo speaker.

[0007] Specifically, the stereo sound box includes a box body, which is provided with a treble part, a bass part and a ventilation part, the treble part is arranged above the bass part, and the ventilation part is arranged below the bass part; the treble part is provided with a tweeter, the tweeter is arranged inside the box body, and a sealing cover is arranged outside the tweeter; the bass part is provided with a woofer, the woofer extends into the box body; the ventilation part is provided with two air ducts, and both ends of the air ducts are opened to connect the inside and outside of the box body.

[0008] The treble part is used to play the treble channel, the bass part is used to play the mid-bass channel, and the ventilation part is used to make the inside and outside of the box form air communication to reduce the resonance effect of the air sound field.

[0009] In an optional implementation, an outer panel is provided at the front end of the box, and the treble part, the bass part and the ventilation part are all provided on the outer panel.

[0010] In an optional implementation, two air guide ports are arranged side by side at the lower end of the exterior facade, and the air guide ports are connected to the air guide duct; the air guide duct includes a guide member and a guide tube, one end of the guide tube is connected to the air guide port, and the other end of the guide tube is connected to the guide member.

[0011] In an optional implementation, the guide member includes a sleeve and a guide portion, one end of the sleeve is sleeved with the guide sleeve, the other end of the sleeve is connected to the guide portion, and one end of the guide portion away from the sleeve is open outward to form a flared structure.

[0012] In an optional implementation, the outer facade is provided with a diffusion curve portion connected to the air guide port, and the diffusion curve portion is expanded outward from the air guide port.

[0013] In an optional implementation, the outer panel is provided with a bass opening, and the bass opening matches the bass speaker; a diffusion part is provided around the bass opening, and the diffusion part is opened outward along the periphery of the bass opening.

[0014] In an optional implementation, the upper portion of the outer panel is recessed inwardly to provide a sound-conducting cavity, which is connected to the tweeter.

[0015] According to the technical solution provided by the aforementioned implementation, the stereo sound box has at least the following advantages:

[0016] (1) By rationally arranging the structure and position of the treble, bass and ventilation parts, the mixing and resonance of each channel in the box can be effectively improved, thereby enhancing the stereo sound performance.

[0017] (2) By setting a sealing cover on the outside of the tweeter, the airflow and the mixing of the woofer can be isolated, thereby improving the sound quality.

[0018] (3) By setting up a two-way conductive double air duct structure, a U-shaped air guide passage is formed to reasonably guide the airflow, prevent resonance, and improve sound quality.

[0019] (4) The provision of guides and diffuser curves facilitates the flow and diffusion of air and reduces vibration interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 A schematic diagram of the structure of a stereo sound speaker provided in one embodiment of the present application.

[0022] Figure 2 A cross-sectional view of a stereo speaker provided in accordance with an embodiment of the present application.

[0023] Figure 3 A partial structural schematic diagram provided for one embodiment of the present application.

[0024] Figure 4 This is an exploded schematic diagram of a stereo speaker provided in accordance with an embodiment of the present application, wherein the cabinet is not shown.

[0025] Figure 5 This is a schematic exploded view from another angle of a stereo speaker provided in one embodiment of the present application, in which the cabinet is not shown.

[0026] Figure 6 A schematic diagram of the structure of an outer panel of a stereo sound speaker provided in one embodiment of the present application.

[0027] Figure 7 A schematic structural diagram of a flow guide member of a stereo sound speaker provided in one embodiment of the present application.

[0028] Description of reference numerals:

[0029] 1. Box; 2. Treble; 3. Bass; 4. Ventilation;

[0030] 11. External plate; 111. Air guide port; 112. Diffuser; 113. Bass opening; 1131. Diffuser; 1132. Vibration rib; 114. Guard ring; 115. Shield; 116. Sound guide cavity;

[0031] 12. Inner plate; 121. Mounting hole; 122. Ventilation hole;

[0032] 21. tweeter; 22. sealing cover;

[0033] 31. Bass speaker; 32. Inner fixing ring;

[0034] 41. air guide duct; 411. flow guide member; 4111. sleeve; 4112. guide portion; 412. flow guide tube; 413. connecting ring. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] In this document, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, the meaning of "plurality" is two or more.

[0037] In addition, in this article, directional terms such as "upper" and "lower" are defined relative to the orientation of the structure schematically placed in the drawings. It should be understood that these directional terms are relative concepts. They are used for relative description and clarification, and they can change accordingly according to the change of the orientation of the structure.

[0038] See also Figures 1 to 7 , one embodiment of the present application provides a stereo speaker.

[0039] Combination Figure 1 As shown, in this embodiment, the stereo sound speaker includes a box body 1, which is provided with a tweeter 2, a bass part 3 and a ventilation part 4, the tweeter 2 is arranged above the bass part 3, and the ventilation part 4 is arranged below the bass part 3.

[0040] Among them, combined Figure 2 and Figure 3 As shown, the tweeter part 2 is provided with a tweeter 21, which is arranged inside the box 1, and a sealing cover 22 is provided outside the tweeter 21; the bass part 3 is provided with a woofer 31, which extends into the inside of the box 1; the ventilation part 4 is provided with two air ducts 41, and both ends of the air ducts 41 are opened to connect the inside and outside of the box 1.

[0041] By providing the sealing cover 22, the vibrating airflow of the tweeter 21 can be isolated from mixing with the woofer 31, thereby improving the sound quality.

[0042] Combination Figure 1 and Figure 3 As shown, in this embodiment, an outer plate 11 is disposed at the front end of the box body 1 , and the treble part 2 , the bass part 3 and the ventilation part 4 are all disposed on the outer plate 11 .

[0043] In this embodiment, the air guide 41 includes a first air guide 41a and a second air guide 41b.

[0044] By providing the first air guide duct 41a and the second air guide duct 41b, a U-shaped air guide passage is formed between the box body 1 and the external environment, so that the airflow can be reasonably guided out, resonance can be prevented, and the sound quality can be improved.

[0045] Combination Figure 1 and Figure 6 As shown, in order to form air flow conduction, in this embodiment, two air guide ports 111 are arranged side by side at the lower end of the outer plate 11, and the air guide ports 111 are connected to the air guide pipe 41. The air guide ports 111 include a first air guide port 111a and a second air guide port 111b, the first air guide port 111a is connected to the first air guide pipe 41a, and the second air guide port 111b is connected to the second air guide pipe 41b.

[0046] In the present application, the air guide duct 41 includes an air guide member 411 and an air guide tube 412 , one end of the air guide tube 412 is connected to the air guide port 111 , and the other end of the air guide tube 412 is connected to the air guide member 411 .

[0047] Combination Figure 4 and Figure 5 As shown, in this embodiment, the first air guide 41a includes a first air guide member 411a and a first air guide tube 412a, and the second air guide 41b includes a second air guide member 411b and a second air guide tube 412b.

[0048] Combination Figure 7 As shown, in the present application, the guide member 411 includes a sleeve 4111 and a guide portion 4112, one end of the sleeve 4111 is sleeved with the guide sleeve 412, the other end of the sleeve 4111 is connected to the guide portion 4112, and the end of the guide portion 4112 away from the sleeve 4111 is open outward to form a flared structure.

[0049] Combination Figure 6 As shown, the outer plate 11 is provided with a diffusion curved portion 112 connected to the air guide port 111 , and the diffusion curved portion 112 is expanded outward from the air guide port 111 .

[0050] The guide portion 4112 is expanded outward to facilitate guiding the airflow.

[0051] By providing the diffusion curved portion 112 in communication with the air guide port 111 , the air flow can be easily diffused and outflowed, thereby improving the sound quality.

[0052] Combination Figures 3 to 5 As shown, in this embodiment, the stereo speaker is provided with an inner plate 12, the inner plate 12 is fixed to the box body 1, and the outer plate 11 is arranged on the outside of the inner plate 12; the inner plate 12 is provided with a mounting hole 121, the bass speaker 31 passes through the mounting hole 121 and is installed on the inner plate 12 through an inner fixing ring 32; the inner plate 12 is provided with a ventilation hole 122, the ventilation hole 122 is arranged to be connected with the air guide port 111, and the air guide duct 41 is fixed to the inner plate 12 and is connected with the ventilation hole 122.

[0053] Specifically, the air duct 41 is connected to the inner plate 12 through a connecting ring 413. In this embodiment, the inner plate 12 is provided with a first ventilation hole 122a and a second ventilation hole 122b, the first air duct 41a is fixed to the inner plate 12 through a first connecting ring 413a and communicates with the first ventilation hole 122a, and the second air duct 41b is fixed to the inner plate 12 through a second connecting ring 413b and communicates with the second ventilation hole 122b.

[0054] Combination Figure 6As shown, in this embodiment, the outer plate 11 is provided with a bass opening 113, and the bass opening 113 matches the bass speaker 31; a diffuser 1131 is provided around the bass opening 113, and the diffuser 1131 is opened outward along the periphery of the bass opening 113. The bass opening 113 can make the sound of the bass speaker 31 spread outward smoothly; the diffuser 1131 can avoid the outer plate 11 from interfering with the airflow of the vibration sound field, thereby improving the sound quality.

[0055] Combination Figure 6 As shown, in order to prevent the vibration of the diffuser 1131 from having an adverse effect on the sound, in this embodiment, a vibration-damping rib 1132 is provided on the surface of the diffuser 1131. Specifically, the vibration-damping rib 1132 includes short ribs arranged along the circumference of the diffuser 1131 and annular ribs concentric with the circumference, and the annular ribs connect the short ribs to improve the vibration-damping effect.

[0056] Combination Figure 2 , Figure 4 and Figure 5 As shown, in this embodiment, the outer ring of the diffusion part 1131 is provided with an annular guard ring 114, and the outer part of the bass opening 113 is provided with a shield 115, and the shield 115 is connected to the guard ring 114. By providing the guard ring 114, the effect of reducing structural resonance can be achieved; by providing the shield 115, the direct contact between the outside and the bass speaker 31 can be isolated. Specifically, the shield 115 can be composed of fine mesh cloth or fine metal mesh.

[0057] Combination Figure 1 , Figure 2 and Figure 6 As shown, in this embodiment, the upper portion of the outer plate 11 is recessed inwardly to provide a sound guiding cavity 116, which is connected to the tweeter 21. The sound guiding cavity 116 is provided to help guide the propagation of the treble and reduce the sound distortion caused by the resonance of the box 1.

[0058] The above is a detailed introduction to the stereo speakers provided by the implementation method of the present application, and the principles and implementation methods of the present application are explained by using specific examples. The above description is only used to help understand the method and core mechanism of the present application. At the same time, for those skilled in the art, according to the ideas of the present application, there will be changes in the specific examples and application scopes. In summary, the content of this specification should not be understood as limiting the present application.

Claims

1. A stereo speaker, characterized in that: The stereo sound box comprises a box body, wherein the box body is provided with a treble part, a bass part and a ventilation part, wherein the treble part is provided above the bass part, and the ventilation part is provided below the bass part; The treble part is provided with a tweeter, the tweeter is arranged inside the box, and a sealing cover is provided outside the tweeter; the bass part is provided with a woofer, and the woofer extends into the inside of the box; the ventilation part is provided with two air ducts, both ends of the air ducts are opened to connect the inside and outside of the box.

2. The stereo speaker according to claim 1, characterized in that: An outer plate is arranged at the front end of the box body, and the treble part, the bass part and the ventilation part are all arranged on the outer plate.

3. The stereo speaker according to claim 2, characterized in that: Two air guide ports are arranged side by side at the lower end of the outer vertical plate, and the air guide ports are connected to the air guide pipe; The air guide duct comprises an air guide member and an air guide tube, one end of the air guide tube is connected to the air guide port, and the other end of the air guide tube is connected to the air guide member.

4. The stereo speaker according to claim 3, characterized in that: The guide member includes a sleeve and a guide portion, one end of the sleeve is sleeved with the guide sleeve, the other end of the sleeve is connected with the guide portion, and one end of the guide portion away from the sleeve is open outward to form a flared structure.

5. The stereo speaker according to claim 3, characterized in that: The outer vertical plate is provided with a diffusion curved portion connected to the air guide port, and the diffusion curved portion is in an expanded structure outward from the air guide port.

6. The stereo speaker according to claim 3, characterized in that: The stereo sound box is provided with an inner plate, the inner plate is fixed to the box body, and the outer plate is arranged on the outer side of the inner plate; the inner plate is provided with a mounting hole, the bass speaker passes through the mounting hole and is installed on the inner plate through an inner fixing ring; the inner plate is provided with a ventilation hole, the ventilation hole is arranged to be relatively connected with the air guide port, and the air guide duct is fixed to the inner plate and connected with the ventilation hole.

7. The stereo speaker according to claim 2, characterized in that: The outer plate is provided with a bass opening, and the bass opening is matched with the bass speaker; the periphery of the bass opening is provided with a diffusion part, and the diffusion part is opened outward along the periphery of the bass opening.

8. The stereo speaker according to claim 7, characterized in that: The surface of the diffuser is provided with vibration-damping ribs.

9. The stereo speaker according to claim 7, characterized in that: The outer ring of the diffusion part is provided with an annular guard ring, and the outside of the bass opening is provided with a guard cover, and the guard cover is connected to the guard ring.

10. The stereo speaker according to claim 2, characterized in that: The upper part of the outer plate is inwardly recessed to provide a sound-conducting cavity, and the sound-conducting cavity is connected to the tweeter.

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