Loudspeaker with double-diaphragm structure

Abstract

The utility model discloses a loudspeaker with a double-diaphragm structure, and relates to the technical field of double-diaphragm loudspeakers, the loudspeaker with the double-diaphragm structure comprises an outer shell, the upper end of the outer shell is provided with a diaphragm assembly, the outer shell comprises a first support and a second support, the diaphragm assembly comprises a first diaphragm and a second diaphragm, and the first support and the second support are arranged on the outer shell. A fixing assembly is arranged at the lower end of the second vibrating diaphragm, limiting assemblies are arranged on the periphery of the fixing assembly, the fixing assembly comprises a fixing base and a limiting top base, a mounting groove is formed between the lower end of the limiting top base and the upper end of the fixing base, and a magnet is mounted in the mounting groove; a slot is arranged between the inner wall of the limiting top seat and the outer wall of the top end of the fixed seat, a voice coil is inserted into the slot, and the problem that the sound production effect of the loudspeaker is affected due to poor stability and easy position deviation of the magnet and the voice coil of the existing double-diaphragm loudspeaker due to the fact that the magnet and the voice coil are extruded through the diaphragms is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to double -vibration diaphragm loudspeaker technical field, concretely is a loudspeaker of double -vibration diaphragm structure. BACKGROUND

[0002] Double -vibration diaphragm loudspeaker is a kind of loudspeaker structure with two diaphragms, and the working principle of double -vibration diaphragm loudspeaker is similar to ordinary loudspeaker, after audio frequency current is passed in voice coil, it is vibrated under the action of force in magnetic field, drives diaphragm to emit sound, but double -vibration diaphragm design realizes more complex and fine sound reproduction through the cooperative work of two diaphragms;

[0003] For example, the Chinese patent (a loudspeaker of double -vibration diaphragm structure and electronic product thereof) with the announcement number CN115002628A includes lower shell, the lower shell includes support and cover body installed in the lower end of the support, the support is provided with step groove in its inner circle;Vibration diaphragm, the vibration diaphragm includes first diaphragm and second diaphragm, the outer circle of the first diaphragm is hung in the upper end surface of the support, the outer circle of the second diaphragm is hung in the lower end surface of the step groove, and the inner circle of the second diaphragm is connected to the lower end surface of the first diaphragm, and the first diaphragm and the second diaphragm are sealed with the lower shell and form air ring cooperation.This application has obvious inhibitory effect on rolling vibration.

[0004] However, the magnet and voice coil of the existing double -vibration diaphragm loudspeaker are extruded through diaphragm, poor stability, prone to positional deviation, thereby affecting the sound effect of loudspeaker;Therefore, it does not meet the existing demand, and for this, we propose a loudspeaker of double -vibration diaphragm structure. Utility model content

[0005] The utility model aims at providing a loudspeaker of double -vibration diaphragm structure to solve the problem that the magnet and voice coil of the existing double -vibration diaphragm loudspeaker are extruded through diaphragm, poor stability, prone to positional deviation, thereby affecting the sound effect of loudspeaker as proposed in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a loudspeaker of double -vibration diaphragm structure, comprising: outer shell, the upper end of the outer shell is provided with diaphragm assembly, the outer shell includes first support and second support, the diaphragm assembly includes first diaphragm and second diaphragm, the lower end of the second diaphragm is provided with fixed assembly, and the periphery of the fixed assembly is provided with limiting assembly.

[0007] Preferably, the fixed assembly includes fixed seat and limiting top seat, the lower end of the limiting top seat and the upper end of fixed seat form mounting groove, and the inside of the mounting groove is provided with magnet.

[0008] Preferably, the inner wall of the limiting top base and the top end outer wall of the fixing base are provided with a slot, and the voice coil is inserted into the slot.

[0009] Preferably, the upper surface of the fixing base is provided with a column hole, the upper surface of the limiting top base is provided with a through hole, the positioning column is inserted into the through hole, and one end of the positioning column is inserted into the column hole after passing through the through hole.

[0010] Preferably, the limiting assembly comprises a limiting block and a stabilizing block, the stabilizing block is located on one side of the top end of the limiting block, is fixed by heat melting with the limiting block, and covers the top end opening of the through hole from top to bottom.

[0011] Preferably, the inner wall of the first support is provided with a limiting slot, and the limiting block moves along the limiting slot.

[0012] Preferably, the upper surface of the first support is provided with a threaded ring seat, the lower surface of the second support is provided with a threaded groove, the threaded ring seat is screw-connected with the threaded groove, and the second support presses the limiting block downward.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1), the utility model discloses a fixing assembly and limiting assembly are set up at the lower end of the diaphragm assembly, the fixing assembly includes a fixing base and a limiting top base, the magnet is placed between the lower end of the limiting top base and the upper end of the fixing base to form an installation slot, then the limiting top base is covered on the magnet, and one end of the positioning column is inserted into the column hole after passing through the through hole, which has the limiting effect on the limiting top base and the fixing base, avoids the deviation of the limiting top base, and guarantees that the inner wall of the limiting top base and the top end outer wall of the fixing base form a slot, the voice coil is inserted into the slot, the voice coil contacts the magnet, the limiting assembly comprises a limiting block and a stabilizing block, the limiting block is inserted along the limiting slot of the first support, the limiting block is positioned, the first support and the fixing base are fixed by extrusion through the limiting block, the fixing base is prevented from shaking and deviating, the stability is improved, the stabilizing block covers the top end opening of the through hole from top to bottom, the positioning column is prevented from falling, and the stability is improved, so that the fixing stability of the fixing assembly is improved, and the problems that the magnet and the voice coil of the existing double-diaphragm loudspeaker are extruded through the diaphragm, the stability is poor, and the position deviates easily, thereby affecting the sound effect of the loudspeaker are solved.

[0015] (2), by setting the threaded ring seat on the first support upper surface, the threaded groove is set on the second support lower surface, after assembling the fixed assembly, the limiting assembly and the diaphragm assembly, cover the second support, through the threaded groove and threaded ring seat threaded fixed, realize the first support and the second support fixed, the limiting assembly and the fixed assembly are protected, also convenient to disassemble and overhaul, through the threaded connection mode instead of the existing screw fixed mode, avoid the metal screw influence the resonance frequency of the loudspeaker, reduce the probability of the broken sound, burst sound. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole cross section side isosceal structure schematic diagram of the utility model;

[0018] Figure 3 It is the first support internal structure schematic diagram of the utility model;

[0019] Figure 4 It is the fixed assembly connecting structure schematic diagram of the utility model;

[0020] Figure 5 It is the second support bottom view structure schematic diagram of the utility model;

[0021] In the drawing: 1, the shell body;2, diaphragm assembly;3, first support;4, second support;5, first diaphragm;6, second diaphragm;7, fixed seat;8, magnet;9, limit top seat;10, slot;11, voice coil;12, limit block;13, stabilizing block;14, limit slot;15, threaded ring seat;16, positioning column;17, through hole;18, column hole;19, installation slot;20, threaded groove;21, limiting assembly;22, fixed assembly. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-5The utility model provides a kind of loudspeaker of double vibration diaphragm structure: a kind of embodiment provided by the utility model: a kind of loudspeaker of double vibration diaphragm structure, comprising: shell body 1, the upper end of shell body 1 is provided with diaphragm subassembly 2, shell body 1 includes first support 3 and second support 4, diaphragm subassembly 2 includes first vibration diaphragm 5 and second vibration diaphragm 6, the lower end of second vibration diaphragm 6 is provided with fixed subassembly 22, the periphery of fixed subassembly 22 is all provided with limiting component 21, fixed subassembly 22 includes fixed seat 7 and limiting top seat 9, limiting top seat 9 lower end and the upper end between fixed seat 7 form installation groove 19, the inside of installation groove 19 is installed with magnet 8, magnet 8 is placed in limiting top seat 9 lower end and the upper end between fixed seat 7 form installation groove 19, then limiting top seat 9 is covered on magnet 8, the periphery upper surface of fixed seat 7 is all provided with post hole 18, the periphery upper surface of limiting top seat 9 is all provided with through hole 17, and positioning column 16 is inserted into through hole 17, and one end of positioning column 16 passes through through hole 17 and is inserted into post hole 18, the inner wall between limiting top seat 9 and the top end outer wall of fixed seat 7 is provided with insertion slot 10, and voice coil 11 is inserted into the inside of insertion slot 10, and diaphragm subassembly 2 formed by first vibration diaphragm 5 and second vibration diaphragm 6 is connected with the top end of voice coil 11, limiting effect is played to limiting top seat 9 and fixed seat 7 by positioning column 16, avoid limiting top seat 9 to deviate, and guarantee the inner wall between limiting top seat 9 and the top end outer wall of fixed seat 7 forms insertion slot 10, and voice coil 11 is inserted into the inside of insertion slot 10, and voice coil 11 contacts magnet 8;

[0024] Limiting component 21 includes limiting block 12 and stabilizing block 13, and stabilizing block 13 is located on one side of the top end of limiting block 12, is fixed with limiting block 12 by heat fusion, and stabilizing block 13 covers the top end opening of through hole 17 from top to bottom, the periphery inner wall of first support 3 is all provided with limiting groove 14, and limiting block 12 moves along limiting groove 14, limiting block 12 is inserted along the limiting groove 14 of first support 3, positioning is carried out to limiting block 12, and first support 3 and fixed seat 7 are fixed by extrusion through limiting block 12, avoid fixed seat 7 to shake and deviate, improve stability, rely on stabilizing block 13 to cover the top end opening of through hole 17 from top to bottom, avoid positioning column 16 to drop, improve stability, realize magnet 8 and voice coil 11 fixed, avoid shaking to influence loudspeaker to sound.

[0025] Please refer to Figure 2 、 3 、5, the upper surface of first support 3 is provided with threaded ring seat 15, the lower surface of second support 4 is provided with threaded groove 20, and threaded ring seat 15 is threadedly connected with threaded groove 20, and second support 4 is pressed down to limiting block 12, cover second support 4, are fixed by threaded groove 20 and threaded ring seat 15 threadedly, realize first support 3 and second support 4 fixed, protect limiting component 21 and fixed subassembly 22, improve security, the way of threaded connection is replaced with existing screw fixing mode, avoid metal screw to influence the resonance frequency of loudspeaker, reduce the probability of broken sound, burst sound.

[0026] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the scope of the claims with respect to any embodiment illustrated in the drawings or described in the above description.

Claims

1. A loudspeaker of double diaphragm structure comprising an outer housing (1), the upper end of which is provided with a diaphragm assembly (2), characterized in that: The shell (1) comprises a first support (3) and a second support (4), the diaphragm assembly (2) comprises a first diaphragm (5) and a second diaphragm (6), the lower end of the second diaphragm (6) is provided with a fixing assembly (22), and the periphery of the fixing assembly (22) is provided with a limiting assembly (21).

2. The dual-cone loudspeaker of claim 1, wherein: The fixing assembly (22) comprises a fixing seat (7) and a limiting top seat (9), the lower end of the limiting top seat (9) and the upper end of the fixing seat (7) form an installation groove (19), and the inside of the installation groove (19) is provided with a magnet (8).

3. The dual-cone loudspeaker of claim 2, wherein: The inner wall of the limiting top seat (9) and the top end outer wall of the fixing seat (7) are provided with a slot (10), and the slot (10) is inserted with a voice coil (11).

4. The dual-cone loudspeaker of claim 2, wherein: The upper surface of the periphery of the fixing seat (7) is provided with a column hole (18), the upper surface of the periphery of the limiting top seat (9) is provided with a through hole (17), the through hole (17) is inserted with a positioning column (16), and one end of the positioning column (16) is inserted into the column hole (18) after passing through the through hole (17).

5. The dual-cone loudspeaker of claim 4, wherein: The limiting assembly (21) comprises a limiting block (12) and a stabilizing block (13), the stabilizing block (13) is located on one side of the top end of the limiting block (12), is fixed by heat melting with the limiting block (12), and covers the top end opening of the through hole (17) from top to bottom.

6. The dual-cone loudspeaker of claim 5, wherein: The inner wall of the periphery of the first support (3) is provided with a limiting groove (14), and the limiting block (12) moves along the limiting groove (14).

7. The dual-cone loudspeaker of claim 6, wherein: The upper surface of the first support (3) is provided with a threaded ring seat (15), the lower surface of the second support (4) is provided with a threaded groove (20), the threaded ring seat (15) and the threaded groove (20) are screw connected, and the second support (4) presses the limiting block (12) downward.

Images