A loudspeaker combination structure of a ball-type sound box

Abstract

The utility model relates to acoustics technical field discloses a kind of loudspeaker combination structure of ball-shaped sound box, including shell, the inside fixed connection of shell has mid-high pitch loudspeaker, the inside fixed connection of shell has pure bass loudspeaker, the inner wall fixed connection of shell at pure bass loudspeaker downside has sound guide cone, the inner wall of shell at sound guide cone outside is equipped with sound hole, the outer surface of shell is fixedly installed with passive radiator, the inner wall sound outlet groove of shell, the inner wall of sound outlet groove is penetrated by the outer wall of mid-high pitch loudspeaker, the outside of shell is provided with dustproof mechanism.In the utility model, through the position setting of mid-high pitch loudspeaker, and the position of pure bass loudspeaker, the setting of sound guide cone, ensure that middle, high, low sound can be respectively transmitted from different loudspeaker, and through its position and shape setting, can ensure that sound quality is better, and can 360 degree diverge, reach the effect of keeping sound quality under the premise of keeping beautiful.

Description

Technical Field

[0001] This utility model relates to the field of acoustic technology, and in particular to a speaker assembly structure for a spherical speaker box. Background Technology

[0002] A loudspeaker, also known as a speaker, is the core component of an audio system. Its function is to convert electrical signals into sound waves, thereby reproducing and propagating sound.

[0003] Currently, the mid-high frequency and low frequency speakers in existing speakers are usually installed directly above the low frequency speaker to ensure the sound quality of the product. However, for some small speakers placed on a desktop, in order to keep them aesthetically pleasing and reduce their space occupation, an integrated speaker is often used.

[0004] Currently, while integrated loudspeakers can achieve an aesthetically pleasing effect, their sound quality is often poor. Therefore, a spherical speaker enclosure structure is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a speaker assembly structure for a spherical speaker box, which aims to improve the problem in the prior art that it is inconvenient to maintain sound quality while creating an aesthetically pleasing design.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a spherical speaker enclosure, comprising a housing, a mid-high frequency speaker fixedly connected to the inner side of the housing, a pure low frequency speaker fixedly connected to the inner side of the housing, a sound guide cone fixedly connected to the inner wall of the housing below the pure low frequency speaker, a sound outlet hole opened on the inner wall of the housing outside the sound guide cone, a passive radiator fixedly installed on the outer surface of the housing, a sound outlet groove on the inner wall of the housing, the outer wall of the mid-high frequency speaker penetrating the inner wall of the sound outlet groove, and a dust-blocking mechanism provided on the outer side of the housing;

[0007] The dust-blocking mechanism includes a dust-blocking plate, which is connected to the housing via a connecting assembly.

[0008] As a further description of the above technical solution:

[0009] The connecting assembly includes a threaded rod, the outer wall of which penetrates the inner wall of the dust baffle. A movable groove is formed on the inner wall of the threaded rod, and a push block is slidably connected to the inner wall of the movable groove. The side of the push block near the axis of the threaded rod is elastically connected to the inner wall of the movable groove by a spring. A pull rope is fixedly connected to the side of the push block connected to the spring. The outer wall of the pull rope penetrates the inner wall of the threaded rod, and a pull ring is fixedly connected to the end of the pull rope away from the push block. The pull ring is magnetically connected to the end of the threaded rod away from the housing.

[0010] As a further description of the above technical solution:

[0011] The sound outlet is arc-shaped, and there are four sound outlets. The bottom of the housing is fixedly connected to a bracket between each pair of adjacent sound outlets.

[0012] As a further description of the above technical solution:

[0013] The number of mid-high frequency speakers is set to four. The four mid-high frequency speakers are arranged in pairs and fixedly installed on the front and rear sides of the inner cavity of the housing, respectively. The central axes of the two mid-high frequency speakers in the same group are staggered and the included angle is 50 degrees.

[0014] As a further description of the above technical solution:

[0015] The number of passive radiators is set to two, and both passive radiators are placed between the two sets of mid-high frequency speakers.

[0016] As a further description of the above technical solution:

[0017] The subwoofer is located on the lower side of the inner cavity of the housing, with the sound-emitting surface of the subwoofer facing downwards.

[0018] As a further description of the above technical solution:

[0019] The sound guide cone is conical in shape, with its tip positioned on the upper side, and its edge having a smooth parabolic shape.

[0020] As a further description of the above technical solution:

[0021] The inner wall of the threaded rod is rotatably connected to a roller, which is located at the corner of the pull rope, and the pull rope is in contact with the outer surface of the roller.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, by setting the positions of the mid-high frequency speakers, the pure low frequency speakers, and the sound guide cone, it is ensured that the mid, high, and low frequencies can be transmitted from different speakers respectively. Furthermore, by setting their positions and shapes, better sound quality can be ensured, and 360-degree dispersion can be achieved, thus maintaining sound quality while preserving aesthetics.

[0024] 2. In this utility model, by setting up dust baffles, threaded rods, moving grooves, push blocks, springs, pull ropes, pull rings, etc., it is ensured that dust cannot directly enter the mid-high frequency speaker, and the speaker can be protected from external damage without affecting sound penetration, while also serving an aesthetic purpose and improving the overall sound quality. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the overall structure of this utility model;

[0026] Figure 2 This is a three-dimensional structural diagram of the overall structure of this utility model after removing the dust-blocking mechanism;

[0027] Figure 3 This is a bottom-view three-dimensional structural diagram of the overall structure of this utility model after removing the dust-blocking mechanism;

[0028] Figure 4 This is a cross-sectional schematic diagram of the overall structure of this utility model;

[0029] Figure 5 This is a three-dimensional structural breakdown diagram of the overall structure of this utility model;

[0030] Figure 6 This is a three-dimensional structural diagram of the dust baffle plate in this utility model;

[0031] Figure 7 This is a three-dimensional cross-sectional view of the connecting component in this utility model.

[0032] Legend:

[0033] 1. Housing; 2. Mid-high frequency speaker; 3. Pure low frequency speaker; 4. Sound guide cone; 5. Sound outlet; 6. Passive radiator; 7. Sound outlet groove; 8. Dust blocking mechanism; 81. Dust blocking plate; 82. Connecting assembly; 821. Threaded rod; 822. Moving groove; 823. Push block; 824. Spring; 825. Pull rope; 826. Pull ring; 827. Roller; 9. Bracket. Detailed Implementation

[0034] 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 protection scope of the present utility model.

[0035] Reference Figure 2 , Figure 4 and Figure 5This utility model provides an embodiment of a spherical speaker assembly structure, including a housing 1. The overall shape of the housing 1 is spherical, and the housing 1 is divided into upper and lower parts, which are fixedly connected by bolts. A cavity is opened in the middle of the housing 1. A mid-high frequency speaker 2 is fixedly connected to the inner side of the housing 1. The number of mid-high frequency speakers 2 is set to four, and the four mid-high frequency speakers 2 are arranged in pairs, respectively fixedly installed on the front and rear sides of the inner cavity of the housing 1. By using the structure of placing mid-high frequency speakers 2 on both the front and rear sides, a 360-degree sound effect is achieved. The central axes of the two mid-high frequency speakers 2 in the same group are staggered, and the included angle is 50 degrees. By setting the included angle of the speakers, the sound field is wider.

[0036] Reference Figure 3 - Figure 5 A subwoofer 3 is fixedly connected to the inner side of the housing 1. The subwoofer 3 is located on the lower side of the inner cavity of the housing 1. A support frame for mounting the subwoofer 3 is provided inside the housing 1, and the sound-emitting surface of the subwoofer 3 faces downward. A sound guide cone 4 is fixedly connected to the inner wall of the housing 1 below the subwoofer 3. The sound guide cone 4 is conical in shape, and the tip of the sound guide cone 4 is located on the upper side. The edge of the sound guide cone 4 adopts a smooth parabolic shape. Through the shape of the sound guide cone 4, the reflection and attenuation of bass can be reduced, and the bass can be evenly dispersed in all directions 360 degrees. A sound outlet hole 5 is opened on the inner wall of the housing 1 outside the sound guide cone 4. The sound outlet hole 5 is used to allow the bass to be transmitted from inside the housing 1. The sound outlet hole 5 is arc-shaped, and the number of sound outlet holes 5 is set to four. A bracket 9 is fixedly connected to the bottom of the housing 1 between two adjacent sound outlet holes 5.

[0037] Reference Figure 1 - Figure 3 A passive radiator 6 is fixedly installed on the outer surface of the housing 1. The number of passive radiators 6 is set to two. Both passive radiators 6 are set between the two sets of mid-high frequency speakers 2. By setting the passive radiators 6, the device has better bass performance in a limited cavity volume. The inner wall of the housing 1 has a sound outlet groove 7, and the outer wall of the mid-high frequency speaker 2 penetrates the inner wall of the sound outlet groove 7.

[0038] Reference Figure 1 , Figure 6 and Figure 7A dust-blocking mechanism 8 is provided on the outer side of the housing 1. The dust-blocking mechanism 8 includes a dust-blocking plate 81, which is located on the outer side of the mid-high frequency speaker 2 to prevent dust from entering the mid-high frequency speaker 2. The dust-blocking plate 81 is connected to the housing 1 through a connecting assembly 82. The connecting assembly 82 includes a threaded rod 821, the outer wall of which penetrates the inner wall of the dust-blocking plate 81. A moving groove 822 is formed on the inner wall of the threaded rod 821. A push block 823 is slidably connected to the inner wall of the moving groove 822. The push block 823 has an inclined chamfer on the side near the middle of the housing 1. A circular groove is formed on the inner surface of the dust-blocking plate 81 outside the threaded rod 821, and the thickness of the circular groove is greater than the width of the push block 823. The side of the push block 823 near the axis of the threaded rod 821 is elastically connected to the inner wall of the moving groove 822 through a spring 824. One end of the spring 824 is... The push block 823 is fixedly connected to the side of the threaded rod 821 near the axis. The other end of the spring 824 is fixedly connected to the inner wall of the moving groove 822. A pull rope 825 is fixedly connected to the side of the push block 823 connected to the spring 824. The pull rope 825 is inelastic. The outer wall of the pull rope 825 penetrates the inner wall of the threaded rod 821. A pull ring 826 is fixedly connected to the end of the pull rope 825 away from the push block 823. A magnet is installed inside the pull ring 826. The pull ring 826 is magnetically connected to the end of the threaded rod 821 away from the housing 1. A roller 827 is rotatably connected to the inner wall of the threaded rod 821. The setting of the roller 827 ensures that the pull rope 825 is not easily broken due to friction with the inner wall of the threaded rod 821 when it is pulled. The roller 827 is set at the corner of the pull rope 825, and the pull rope 825 is in contact with the outer surface of the roller 827.

[0039] Working principle: In use, the mid-high frequencies are transmitted through the mid-high frequency speaker 2 and through the holes in the dust baffle 81, while the low frequencies are transmitted through the pure low frequency speaker 3. After the low frequencies are transmitted, they come into contact with the upper surface of the sound guide cone 4 and are finally transmitted through the sound outlet 5. At the same time, the passive radiator 6 cooperates with it to make the low frequency performance better.

[0040] During equipment use, the dust baffle 81 blocks the outer side of the mid-high frequency speaker 2, so external dust will not directly enter the mid-high frequency speaker 2. When the dust baffle 81 accumulates more dust, since the outer wall of the dust baffle 81 is an arc that matches the curvature of the outer wall of the housing 1, it is difficult to apply outward force directly after dust accumulates at the edge where it contacts the housing 1. At this time, the user rotates the threaded rod 821. When the threaded area of ​​the threaded rod 821 disengages from the threaded area of ​​the housing 1, the push block 823 moves outward under the elastic force of the spring 824, so that the push block 823, which enters the inner side of the dust baffle 81, can contact the surface of the circular groove on the rear side of the dust baffle 81. Therefore, when all the threaded rods 821 are rotated to this position, the user can pull the threaded rods 821 outward to make the push block 823 drive the dust baffle 81 to move outward.

[0041] After the dust baffle 81 is disassembled, the user pulls the pull ring 826, which pulls the pull rope 825, causing the push block 823 to move in the direction of entering the moving groove 822. This ensures that the push block 823 does not protrude from the area of ​​the threaded rod 821, so the user can easily remove the threaded rod 821, preventing the gap between the threaded rod 821 and the dust baffle 81 from being difficult to clean.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A loudspeaker combination structure of a ball-type sound box, comprising a shell (1), characterized in that: A mid-high frequency speaker (2) is fixedly connected to the inner side of the housing (1), a pure low frequency speaker (3) is fixedly connected to the inner side of the housing (1), a sound guide cone (4) is fixedly connected to the inner wall of the housing (1) below the pure low frequency speaker (3), a sound outlet hole (5) is opened on the inner wall of the housing (1) outside the sound guide cone (4), a passive radiator (6) is fixedly installed on the outer surface of the housing (1), a sound outlet groove (7) is formed on the inner wall of the housing (1), the outer wall of the mid-high frequency speaker (2) penetrates the inner wall of the sound outlet groove (7), and a dust blocking mechanism (8) is provided on the outer side of the housing (1). The dust-blocking mechanism (8) includes a dust-blocking plate (81), which is connected to the housing (1) via a connecting assembly (82).

2. The loudspeaker combination structure of claim 1, wherein: The connecting assembly (82) includes a threaded rod (821), the outer wall of which penetrates the inner wall of the dust baffle (81). The inner wall of the threaded rod (821) is provided with a moving groove (822). A push block (823) is slidably connected to the inner wall of the moving groove (822). The side of the push block (823) near the axis of the threaded rod (821) is elastically connected to the inner wall of the moving groove (822) by a spring (824). A pull rope (825) is fixedly connected to the side of the push block (823) connected to the spring (824). The outer wall of the pull rope (825) penetrates the inner wall of the threaded rod (821). A pull ring (826) is fixedly connected to the end of the pull rope (825) away from the push block (823). The pull ring (826) is magnetically connected to the end of the threaded rod (821) away from the housing (1).

3. The loudspeaker combination structure of claim 1, wherein: The sound outlet (5) is arc-shaped, and the number of the sound outlet (5) is set to four. The housing (1) is fixedly connected to the bottom of the two adjacent sound outlets (5) with a bracket (9).

4. The horn assembly structure of a spherical speaker box according to claim 1, characterized in that: The number of mid-high frequency speakers (2) is set to four. The four mid-high frequency speakers (2) are arranged in pairs and are fixedly installed on the front and rear sides of the inner cavity of the housing (1). The central axes of the two mid-high frequency speakers (2) in the same group are staggered and the included angle is 50 degrees.

5. The horn assembly structure of a spherical speaker box according to claim 1, characterized in that: The number of passive radiators (6) is set to two, and both passive radiators (6) are set between the two sets of mid-high frequency speakers (2).

6. The horn assembly structure of a spherical speaker box according to claim 1, characterized in that: The bass speaker (3) is located on the lower side of the inner cavity of the housing (1), and the sound-emitting surface of the bass speaker (3) faces downward.

7. The speaker assembly structure of a spherical speaker box according to claim 1, characterized in that: The sound guide cone (4) is conical in shape, with its tip located on the upper side, and its edge adopting a smooth parabolic shape.

8. The speaker assembly structure of a spherical speaker box according to claim 2, characterized in that: The inner wall of the threaded rod (821) is rotatably connected to a roller (827), the roller (827) is located at the corner of the pull rope (825), and the pull rope (825) is in contact with the outer surface of the roller (827).

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