speaker

Abstract

The utility model relates to a loudspeaker, comprising a shell and a loudspeaker body arranged inside the shell, wherein a plurality of card blocks are arranged inside the shell along the circumferential direction, a slot is opened in the horizontal direction on the inner side of the card block, the inlet width of the slot is greater than the outlet width, an insert block corresponding to each card block is arranged on the outer circumference of the loudspeaker body, the loudspeaker body is connected to the shell by inserting the insert block into the slot from the inlet of the slot, and a rack and a ratchet that engage with each other are arranged between the insert block and the slot. The utility model improves the connection stability between the loudspeaker body and the shell, and reduces the difficulty of assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of broadcasting, and particularly relates to a loudspeaker. Background Art

[0002] Loudspeakers are indispensable equipment in voice broadcasting. The better the sound quality of the speaker, the larger its size and weight, and the more intense the vibration it produces. Therefore, there are more stringent requirements on the connection stability between the speaker body and the shell and the assembly process. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a speaker to improve the connection stability between the speaker body and the shell while reducing the difficulty of assembly in view of the deficiencies in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A speaker comprises a shell and a speaker body arranged inside the shell, wherein a plurality of card blocks are arranged inside the shell along the circumferential direction, a slot is opened in the horizontal direction on the inner side of the card block, the inlet width of the slot is greater than the outlet width, an insert block corresponding to each card block is arranged on the outer circumference of the speaker body, the speaker body is connected to the shell by inserting the insert block into the slot from the inlet of the slot, and a rack and a ratchet that engage with each other are arranged between the insert block and the slot.

[0006] In order to better realize the utility model, further optimization is made in the above structure, and a wiring terminal is further arranged inside the shell, and the speaker body is electrically connected to the wiring terminal.

[0007] In order to better realize the utility model, further optimization is made in the above structure, and the shell is made of ABS plastic material.

[0008] In order to better realize the utility model, further optimization is made in the above structure, a rack is arranged on the side of the slot, and a ratchet is arranged on the side of the insert block.

[0009] In order to better realize the utility model, the above structure is further optimized, and four clamping blocks and four inserting blocks are respectively provided, and are evenly and symmetrically arranged along the circumferential direction.

[0010] In order to better implement the utility model, further optimization is made in the above structure, and multiple pawls are provided.

[0011] In order to better realize the utility model, further optimization is made in the above structure, and the speaker body is a piezoelectric ceramic speaker composed of a piezoelectric ceramic sheet and a vibration diaphragm.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The speaker provided by the utility model realizes the snap connection between the speaker body and the shell by adopting the self-locking function of the ratchet, and utilizes the characteristic that the inlet width of the slot is larger than the outlet width to make the plug tighter and tighter after being inserted into the slot, thereby improving the connection stability between the speaker body and the shell. At the same time, during assembly, the characteristic that the inlet width is larger than the outlet width is utilized to apply the same torque to the speaker body, so that the ratchet is stuck at the corresponding rack without considering the assembly error between the ratchet and the rack. The position where the ratchet stops is the position that meets the assembly torque requirement, thereby reducing the difficulty of assembly.

[0014] 2. The speaker housing provided by the utility model is also provided with wiring terminals for quick wiring. The housing is made of ABS plastic material, which has excellent physical properties, high strength and good toughness. The speaker body is a piezoelectric ceramic speaker composed of a piezoelectric ceramic sheet and a vibration diaphragm. Compared with traditional speakers, it is small in size and light in weight, which can reduce the overall weight of the speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be 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 paying creative work.

[0016] Figure 1 It is a schematic diagram of the internal structure of the loudspeaker of the utility model;

[0017] Figure 2 It is a schematic diagram of the external structure of the loudspeaker of the utility model;

[0018] Figure 3 is a cross-sectional view of the loudspeaker of the utility model;

[0019] Figure 4 yes Figure 3 A is a schematic diagram of the partially enlarged structure of the middle part;

[0020] Figure 5 It is a structural schematic diagram of the housing of the loudspeaker of the utility model;

[0021] Figure 6 yes Figure 5 A schematic diagram of the partially enlarged structure of B in the middle;

[0022] Figure 7 It is a structural schematic diagram of a speaker body in the utility model speaker;

[0023] Figure 8 yes Figure 7Schematic diagram of the partially enlarged structure of C in the middle.

[0024] In the figure:

[0025] 1-housing, 2-speaker body, 3-card block, 301-slot, 4-insertion block, 5-rack, 6-ratchet, 7-connection terminal. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] Reference Figure 1-Figure 8The speaker provided by the utility model comprises a shell 1 and a speaker body 2 arranged inside the shell 1. The speaker body 2 is a piezoelectric ceramic speaker composed of a piezoelectric ceramic sheet and a vibration diaphragm. Compared with traditional speakers, it is smaller in size and lighter in weight. A plurality of card blocks 3 are arranged along the circumferential direction inside the shell 1. A slot 301 is opened in the horizontal direction on the inner side of the card block 3. The inlet width of the slot 301 is greater than the outlet width. An insert block 4 corresponding to each card block 3 is arranged on the outer circumference of the speaker body 2. The speaker body 2 is connected to the shell 1 by inserting the insert block 4 into the slot 301 from the inlet of the slot 301, and a rack 5 and a ratchet 6 that engage with each other are arranged between the insert block 4 and the slot 301. By utilizing the feature that the inlet width of the slot 301 is greater than the outlet width, the insert block 4 becomes tighter and tighter after being inserted into the slot 301. After the rack 5 and the ratchet 6 engage, they cannot retreat but can only move forward continuously, thereby improving the connection stability between the speaker body 2 and the shell 1. At the same time, during assembly, the same torque is applied to the speaker body 2 by utilizing the feature that the inlet width of the slot 301 is greater than the outlet width, so that the pawl 6 is stuck in the corresponding rack 5, without considering the assembly error between the pawl 6 and the rack 5. The position where the pawl 6 stops is the position that meets the assembly torque requirement. The plug block 4 at this position is tightly engaged with the slot 301, so that the speaker body 2 and the housing 1 are firmly connected, thereby reducing the difficulty of assembly. During disassembly, it is only necessary to apply a larger torque to squeeze the plug block 4 out of the outlet of the slot 301 for separation.

[0030] See Figure 4-Figure 8 In this embodiment, a rack 5 is provided on the side of the slot 301, and a pawl 6 is provided on the side of the insert block 4. The pawl 6 engages with the rack 5 to achieve self-locking. A plurality of pawls 6 are provided so that they can engage with the rack 5 more firmly.

[0031] See Figure 3 and Figure 7 A connection terminal 7 is also provided inside the housing 1, and the speaker body 2 is electrically connected to the connection terminal 7, which facilitates the connection operation.

[0032] Since deformation impact force will be generated when the plug block 4 and the slot 301 are engaged, a tough material is required to maintain the strength of the structure. Figure 2 The housing 1 is a bowl-shaped structure made of ABS plastic material, which has excellent physical properties, high strength and good toughness. After the plug block 4 and the slot 301 are engaged, it can quickly return to its original state and maintain the strength of the structure.

[0033] See Figure 1 In this embodiment, four card blocks 3 and four plug blocks 4 are respectively provided, and are evenly and symmetrically arranged along the circumferential direction. There is no need to deliberately distinguish the positions of the four card blocks 3 and plug blocks 4. The angles between each group are 90°. It is only necessary to align the positions of one group of card blocks 3 and plug blocks 4, and the other three groups will automatically match.

[0034] Working principle: first align the plug 4 of the speaker body 2 with the entrance of the slot 301, then apply a fixed torque to rotate the speaker body 2, so that the plug 4 continues to go deeper into the slot 301, and when the plug 4 stops moving forward, the position where the pawl 6 stops is the position that meets the assembly torque requirement.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A loudspeaker, comprising a housing (1) and a loudspeaker body (2) arranged inside the housing (1), characterized in that: A plurality of card blocks (3) are arranged inside the housing (1) along the circumferential direction, a slot (301) is provided on the inner side of the card block (3) in the horizontal direction, the inlet width of the slot (301) is greater than the outlet width, an insert block (4) corresponding to each card block (3) is arranged on the outer circumference of the speaker body (2), the speaker body (2) is connected to the housing (1) by inserting the insert block (4) from the inlet of the slot (301) into the slot (301), and a rack (5) and a ratchet (6) that engage with each other are arranged between the insert block (4) and the slot (301).

2. The loudspeaker according to claim 1, characterized in that: A connection terminal (7) is also provided inside the housing (1), and the speaker body (2) is electrically connected to the connection terminal (7).

3. The loudspeaker according to claim 1, characterized in that: The shell (1) is made of ABS plastic material.

4. The loudspeaker according to claim 3, characterized in that: The rack (5) is arranged on the side of the slot (301), and the pawl (6) is arranged on the side of the insert block (4).

5. The loudspeaker according to any one of claims 1 to 4, characterized in that: Four of the clamping blocks (3) and four of the inserting blocks (4) are respectively arranged and are evenly and symmetrically arranged along the circumferential direction.

6. The loudspeaker according to claim 5, characterized in that: A plurality of ratchets (6) are provided.

7. The loudspeaker according to claim 1, characterized in that: The loudspeaker body (2) is a piezoelectric ceramic loudspeaker consisting of a piezoelectric ceramic sheet and a vibration diaphragm.

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