Loudspeaker special combination arrangement connection structure and sound box thereof

Abstract

The utility model relates to the technical field of loudspeaking equipment, in particular to a loudspeaker special combination arrangement connecting structure and a loudspeaker box thereof, which comprise a loudspeaker box shell, the loudspeaker box shell comprises a front shell and a sealing plate, a groove body is arranged on one side of the front shell close to the sealing plate, and a fixing plate penetrates through the front side wall of the front shell. The main loudspeaker and the twelve auxiliary loudspeakers penetrate through the fixing plate, the auxiliary loudspeakers are closely arranged in a rectangular shape to surround the main loudspeaker in the middle, first fastening bolts are connected between the auxiliary loudspeakers and the fixing plate in a threaded mode, and third fastening bolts are connected between the main loudspeaker and the fixing plate in a threaded mode. According to the utility model, firstly, the twelve auxiliary loudspeakers are closely arranged in the rectangular shape to surround the main loudspeaker in the middle, so that the directivity of sound in the transverse and longitudinal directions of the sound box is improved, and the sound overflow outside a target area is effectively reduced; therefore, the loudspeaker is relatively convenient to install, debug and maintain, and the complexity of the system is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sound-speaking equipment, in particular to a special combination arrangement connection structure of loudspeakers and a sound box thereof. Background Art

[0002] A speaker refers to a device that can convert audio signals into sound. The existing column speakers on the market are usually designed with linear arrays, with narrow vertical directivity and wide horizontal directivity, and do not solve the directivity control in both horizontal and vertical directions. In addition, the existing speakers on the market have complex structures, and the speakers are usually installed separately on the speaker cabinet, which is not convenient for overall disassembly and maintenance. Utility Model Content

[0003] The purpose of the utility model is to provide a special combination arrangement connection structure of loudspeakers and a sound box thereof, which solves the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model discloses a special combination arrangement connection structure of loudspeakers, comprising a sound box shell, wherein the sound box shell comprises a front shell and a sealing plate, a groove is provided on a side of the front shell close to the sealing plate, a front side wall of the front shell is penetrated by a fixing plate, the fixing plate is penetrated by a main loudspeaker and twelve auxiliary loudspeakers, the auxiliary loudspeakers are closely arranged in a rectangular shape to surround the main loudspeaker in the middle, a fastening bolt 1 is threadedly connected between the auxiliary loudspeaker and the fixing plate, and a fastening bolt 3 is threadedly connected between the main loudspeaker and the fixing plate.

[0006] Furthermore, the front shell is provided with a mounting groove matched with the fixing plate, and the fixing plate passes through the mounting groove.

[0007] Furthermore, a surface of the installation slot parallel to the front side wall of the front shell is provided with a plurality of sink holes 1, and the number of the sink holes 1 is the same as that of the auxiliary speakers and corresponds one-to-one with the auxiliary speakers.

[0008] Furthermore, a second sinking hole is provided on a side of the installation groove parallel to the front side wall of the front shell, and the second sinking hole is surrounded by the first sinking hole in the middle.

[0009] Furthermore, a surface of the installation groove parallel to the front side wall of the front shell is provided with a plurality of internal threaded holes, the internal threaded holes are threadedly connected with three fastening bolts, and the three fastening bolts pass through the fixing plate.

[0010] Furthermore, the secondary speaker is a full-range speaker or a mid-range speaker.

[0011] Furthermore, the main speaker is a tweeter.

[0012] Furthermore, a sound guide tube groove is provided on one side of the sealing plate close to the front shell, a sound guide tube is fixedly arranged in the sound guide tube groove, an inlet of the sound guide tube is arranged at the lower left of the sealing plate, and an outlet of the sound guide tube is connected to the sound guide hole.

[0013] A sound box comprises the above-mentioned special combination arrangement structure of loudspeakers and a circuit board, wherein the circuit board is fixedly connected to a side of a sealing plate close to a front shell body.

[0014] The utility model has the following beneficial effects:

[0015] The utility model improves the directivity of the sound of the speaker in both horizontal and vertical directions by closely arranging twelve auxiliary speakers in a rectangular shape to surround the main speaker in the middle, making the density of mid- and high-frequency sounds more uniform within the effective radiation range, which is suitable for immersive multi-point speaker layout and effectively reduces sound overflow outside the target area;

[0016] The utility model integrates the auxiliary speaker and the main speaker on a fixing plate, so that the installation, debugging and maintenance of the speaker are relatively convenient, and the complexity of the system is reduced.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the front housing and sealing plate structure;

[0021] Figure 3 for Figure 1 Schematic diagram of the installation slot structure in FIG.

[0022] Figure 4 for Figure 1 Schematic diagram of the fixed plate structure;

[0023] Figure 5 for Figure 1 A schematic diagram of the back structure of the front housing;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] In the figure: 1. speaker housing; 101. front housing; 102. sealing plate; 2. auxiliary speaker; 201. fastening bolt one; 3. main speaker; 301. fastening bolt two; 4. fixing plate; 401. fastening bolt three; 5. sound guide hole; 6. mounting groove; 7. countersunk hole one; 8. countersunk hole two; 9. internal threaded hole; 10. circuit board; 11. sound guide tube; 1101. sound guide tube groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] See also Figure 1-5As shown, the utility model is a special combination arrangement connection structure of speakers, including a speaker shell 1, the speaker shell 1 includes a front shell 101 and a sealing plate 102, the front shell 101 is provided with a groove on one side close to the sealing plate 102, the front side wall of the front shell 101 is penetrated by a fixing plate 4, the fixing plate 4 is penetrated by a main speaker 3 and twelve auxiliary speakers 2, the auxiliary speakers 2 are closely arranged in a rectangular shape to surround the main speaker 3 in the middle, a fastening bolt 201 is threadedly connected between the auxiliary speaker 2 and the fixing plate 4, a fastening bolt 3 401 is threadedly connected between the main speaker 3 and the fixing plate 4, the auxiliary speaker 2 is a full-range speaker or a mid-range speaker, and the main speaker 3 is a tweeter In this embodiment, the speaker housing 1 is composed of a front housing 101 and a sealing plate 102, which are bonded together by glue. The front housing 101 is a 30 mm thick wooden board. The speaker housing 1 has the advantages of being light, simple in structure, and easy to install. The twelve auxiliary speakers 2 are closely arranged in a rectangular shape, surrounding the main speaker 3 in the middle, which improves the directivity of the sound of the speaker in the horizontal and vertical directions, and makes the mid- and high-frequency sound density more uniform within the effective radiation range, which is suitable for an immersive multi-point speaker layout, and effectively reduces the sound overflow outside the target area. The auxiliary speakers 2 and the main speakers 3 are integrated on the fixing plate 4, which makes the installation, debugging and maintenance of the speakers relatively convenient, and reduces the complexity of the system.

[0029] Among them, the front shell 101 is provided with a mounting groove 6 that cooperates with the fixing plate 4, the fixing plate 4 passes through the mounting groove 6, and the mounting groove 6 is provided with a plurality of internal threaded holes 9 on a side parallel to the front side wall of the front shell 101, and the internal threaded holes 9 are threadedly connected with the fastening bolt three 401, and the fastening bolt three 401 passes through the fixing plate 4. In this embodiment, the fixing plate 4 is connected to the speaker shell 1 by the fastening bolt three 401, which can achieve quick disassembly and installation, and is convenient for equipment maintenance, inspection and replacement, and at least six internal threaded holes 9 are provided to ensure the tight connection between the fixing plate 4 and the front shell 101, and to ensure the sealing between the speaker shell 1 and the fixing plate 4.

[0030] Among them, a plurality of sinking holes 7 are provided on a side of the installation groove 6 parallel to the front side wall of the front shell 101, the number of the sinking holes 7 is the same as that of the auxiliary speaker 2 and corresponds one to one with the auxiliary speaker 2, and a sinking hole 2 8 is provided on a side of the installation groove 6 parallel to the front side wall of the front shell 101, and the sinking hole 2 8 is surrounded by the sinking hole 1 7 in the middle. In this embodiment, the sinking hole 1 7 cooperates with the auxiliary speaker 2, and the sinking hole 2 8 cooperates with the main speaker 3, and is used for placing the speakers. The sinking hole 1 7 and the sinking hole 2 8 are carved by CNC.

[0031] Among them, a sound guide tube 11 groove is opened on one side of the sealing plate 102 close to the front shell body 101, and a sound guide tube 11 is fixedly arranged in the sound guide tube 11 groove. The inlet of the sound guide tube 11 is arranged at the lower left side of the sealing plate 102, and the outlet of the sound guide tube 11 is connected with the sound guide hole 5. In this embodiment, the sound guide tube 11 is 1m long. When the speaker is working, the sound transmitted to the front shell body 101 will enter through the inlet of the sound guide tube 11 and then be transmitted to the sound guide hole 5, and then be released from the sound guide hole 5. The sound waves above 100Hz will be filtered out by the sufficiently long sound guide tube 11, so that the sound of the speaker is clean, transparent, and low in sound coloration.

[0032] A sound box includes the above-mentioned special combination arrangement structure of speakers and a circuit board 10. The circuit board 10 is fixedly connected to a sealing plate 102 on one side close to a front shell 101. In this embodiment, the circuit board 10 is electrically connected to a main speaker 3 and a sub-speaker 2, thereby realizing audio playback.

[0033] It can be understood that, firstly, the twelve auxiliary speakers 2 of the utility model are closely arranged in a rectangular shape to surround the main speaker 3 in the middle, thereby improving the directivity of the sound of the speaker in the horizontal and vertical directions and effectively reducing the sound overflow outside the target area; secondly, the auxiliary speakers 2 and the main speaker 3 are integrated on the fixing plate 4, which makes the installation, debugging and maintenance of the speakers relatively convenient and reduces the complexity of the system.

[0034] A specific application of this embodiment is: first, the auxiliary speaker 2 is connected to the fixing plate 4 through the fastening bolt 1 201, and then the main speaker 3 is connected to the fixing plate 4 through the fastening bolt 2 301. The auxiliary speakers 2 are provided with twelve and are closely arranged in a rectangular shape to surround the main speaker 3 in the middle, thereby improving the directivity of the sound of the speaker in the horizontal and vertical directions, and making the sound density of the medium and high frequencies within the effective radiation range more uniform. Then, the fixing plate 4 is placed in the installation groove 6. At this time, the sinking hole 1 7 cooperates with the auxiliary speaker 2, and the sinking hole 2 8 cooperates with the main speaker 3. Then, the fastening bolt 3 401 is passed through the fixing plate 4 and threadedly connected with the internal threaded hole 9 to connect the fixing plate 4 with the front shell 101, and the main speaker 3 and the auxiliary speaker 2 are electrically connected to the circuit board 10. The sound guide tube 11 is placed in the sound guide tube 11 groove and the outlet end of the sound guide tube 11 groove is connected to the sound guide hole 5. The sound waves are filtered through the sound guide tube 11 to make the sound of the speaker clean, transparent, and low in sound coloration.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A special combination arrangement connection structure of a loudspeaker, comprising a loudspeaker housing (1), wherein the loudspeaker housing (1) comprises a front housing (101) and a sealing plate (102), wherein a groove is provided on a side of the front housing (101) close to the sealing plate (102), wherein: The front side wall of the front shell (101) is penetrated by a fixing plate (4), and the fixing plate (4) is penetrated by a main speaker (3) and twelve auxiliary speakers (2). The auxiliary speakers (2) are closely arranged in a rectangular shape to surround the main speaker (3) in the middle. A fastening bolt one (201) is threadedly connected between the auxiliary speakers (2) and the fixing plate (4), and a fastening bolt three (401) is threadedly connected between the main speaker (3) and the fixing plate (4).

2. A speaker special combination arrangement connection structure according to claim 1, characterized in that: The front housing (101) is provided with a mounting groove (6) that matches the fixing plate (4), and the fixing plate (4) passes through the mounting groove (6).

3. The special combination arrangement and connection structure of loudspeakers according to claim 2, characterized in that: A plurality of sink holes (7) are provided on a side of the installation groove (6) parallel to the front side wall of the front shell (101), and the number of the sink holes (7) is the same as that of the auxiliary speakers (2) and corresponds one-to-one with the auxiliary speakers (2).

4. The special combination arrangement and connection structure of loudspeakers according to claim 3, characterized in that: A second sinking hole (8) is provided on a side of the installation groove (6) parallel to the front side wall of the front housing (101), and the second sinking hole (8) is surrounded by the first sinking hole (7).

5. The special combination arrangement and connection structure of loudspeakers according to claim 2, characterized in that: A plurality of internal threaded holes (9) are provided on a side of the installation groove (6) parallel to the front side wall of the front shell (101), and the internal threaded holes (9) are threadedly connected to the third fastening bolt (401), and the third fastening bolt (401) passes through the fixing plate (4).

6. The speaker special combination arrangement connection structure according to claim 1, characterized in that: The auxiliary loudspeaker (2) is a full-range loudspeaker or a mid-range loudspeaker.

7. The speaker special combination arrangement connection structure according to claim 1, characterized in that: The main loudspeaker (3) is a tweeter.

8. The speaker special combination arrangement connection structure according to claim 1, characterized in that: A sound guide tube groove (1101) is provided on one side of the sealing plate (102) close to the front shell body (101), a sound guide tube (11) is fixedly arranged in the sound guide tube groove (1101), an inlet of the sound guide tube (11) is arranged at the lower left of the sealing plate (102), and an outlet of the sound guide tube (11) is connected to the sound guide hole (5).

9. A sound box, characterized in that: The sound box comprises the special loudspeaker combination arrangement structure as described in any one of claims 1 to 8 and a circuit board (10), wherein the circuit board (10) is fixedly connected to a side of a sealing plate (102) close to a front shell (101).

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