Loudspeaker double-voice-coil device

Abstract

The utility model discloses a double-voice coil device of a loudspeaker, which comprises a device shell, and a heat dissipation disassembly and assembly mechanism is positioned and mounted on the outer wall of the device shell. The heat dissipation disassembly and assembly mechanism comprises a U-shaped positioning frame, a U-shaped positioning groove, an anti-disengaging positioning bayonet, a heat dissipation frame, a heat dissipation filter screen, a sealing connecting strip, an inner movable connecting groove, a positioning movable clamping block, an inner limiting plate, a damper and an elastic piece. According to the double-voice-coil device of the loudspeaker, the heat dissipation frame is inserted into the inner side of the U-shaped positioning groove, and the positioning movable clamping block is clamped into the inner wall of the anti-falling positioning bayonet for positioning under the action of the damper and the elastic piece at the rear end of the positioning movable clamping block, so that the heat dissipation frame and the U-shaped positioning frame are quickly positioned; the heat dissipation filter screen can play a role in ventilation and heat dissipation on the inner wall of the heat dissipation frame, dust and other small particles can be effectively prevented from entering the double-voice-coil device, meanwhile, air circulation can be promoted, the double-voice-coil device is helped to better dissipate heat, and overheating damage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of loudspeaker double voice coil, concretely to a loudspeaker double voice coil device. BACKGROUND

[0002] The loudspeaker double voice coil is a kind of special loudspeaker design, which contains two independent voice coils, and this design is particularly common in car audio system, because it provides flexible impedance matching options, which helps to simplify the matching process between loudspeaker and power amplifier, and the double voice coil loudspeaker is usually wound by two independent voice coils on the same voice coil shaft, and the two voice coils can be connected to different power amplifiers or connected together by series, parallel and other ways, when audio current flows through the voice coil, it will produce movement under the action of magnetic field, and then push the diaphragm of loudspeaker to vibrate, thereby emitting sound.

[0003] The common loudspeaker double voice coil device is usually not installed with heat dissipation dismounting structure when in use, when the double voice coil loudspeaker is used in high-power output application scenarios, such as using high-power power amplifier to drive in car audio system, the voice coil will generate a large amount of heat, which may cause the voice coil to overheat or even burn out, thereby bringing certain adverse effects to the use process, therefore, the utility model provides a loudspeaker double voice coil device. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is that, in view of the defects in the prior art, the utility model provides a loudspeaker double voice coil device, which has the advantages of heat dissipation, the heat dissipation dismounting mechanism is arranged, the heat dissipation frame is inserted into the inner side of the U-shaped positioning groove, the positioning movable clamping block is positioned on the inner wall of the anti-dropping positioning clamping port through the action of the damper and elastic element at the rear end, the heat dissipation frame and the U-shaped positioning frame are quickly positioned, the inner limiting plate plays a limiting role at the rear end of the positioning movable clamping block, the heat dissipation filter screen can play the effect of ventilation and heat dissipation on the inner wall of the heat dissipation frame, can effectively block dust and other small particles from entering the double voice coil device, reduce the performance decline or failure caused by dust accumulation, and also promote air circulation, help the double voice coil device to dissipate heat better, prevent overheating damage, and effectively solve the problems in the background art.

[0005] Technical scheme: in order to achieve the above purpose, the utility model adopts the technical scheme that a loudspeaker double voice coil device, including device shell, the outer wall of device shell is positioned and installed with heat dissipation dismounting mechanism, the heat dissipation dismounting mechanism includes U-shaped positioning frame, U-shaped positioning groove, anti-dropping positioning clamping port, heat dissipation frame, heat dissipation filter screen, sealing connecting strip, inner movable connecting groove, positioning movable clamping block, inner limiting plate, damper and elastic element.

[0006] Preferably, the U-shaped positioning frame is located on both sides of the outer wall of the device shell, the U-shaped positioning groove is arranged on the inner side of the U-shaped positioning frame, and the anti-dropping positioning bayonet is arranged on both sides of the inner wall of the U-shaped positioning groove.

[0007] Preferably, the heat dissipation filter screen is located on the inner wall of the heat dissipation frame, the sealing connecting strip is located on the upper part of the rear end of the heat dissipation frame, the inner movable connecting grooves are arranged on both sides of the outer wall of the heat dissipation frame, and the positioning movable clamping block is located in the inner movable connecting grooves.

[0008] Preferably, the inner limiting plate is located at the rear end of the positioning movable clamping block, and the damper and the elastic member are located at the rear end of the inner limiting plate and the damper is located on the inner side of the elastic member.

[0009] Preferably, one side of the U-shaped positioning frame is fixedly connected with both sides of the outer wall of the device shell, and the heat dissipation filter screen is embedded in the inner wall of the heat dissipation frame and is fixed.

[0010] Preferably, one side of the sealing connecting strip is positioned by strong glue bonding with the upper part of the rear end of the heat dissipation frame.

[0011] Preferably, the rear end of the positioning movable clamping block is fixedly connected with one side of the inner limiting plate, the other side of the inner limiting plate is fixedly connected with one end of the damper and the elastic member, and the other end of the damper and the elastic member is fixedly connected with the inner side of the inner movable connecting groove.

[0012] Preferably, the outer wall of the heat dissipation frame is movably connected with the inner wall of the U-shaped positioning groove, and the outer wall of the positioning movable clamping block is movably connected with the inner wall of the anti-dropping positioning bayonet.

[0013] Beneficial effects: Compared with the prior art, the utility model provides a kind of loudspeaker double voice coil device, with following beneficial effects: the utility model discloses a kind of loudspeaker double voice coil device, and heat dissipation dismounting mechanism is set, heat dissipation frame is inserted into the inner side of U-shaped positioning groove, and positioning movable clamping block is positioned by the damper and the elastic member of its rear end and is positioned into the inner wall of anti-dropping positioning bayonet, so that heat dissipation frame and U-shaped positioning frame are quickly positioned, and inner limiting plate is limited in the rear end of positioning movable clamping block, heat dissipation filter screen is in the inner wall of heat dissipation frame and can be ventilated and heat-dissipated, can effectively block dust and other small particles into double voice coil device inside, reduce the performance decline or failure caused by dust accumulation, and air circulation can also be promoted, to help double voice coil device better heat dissipation, prevent overheating damage. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model discloses a kind of loudspeaker double voice coil device.

[0015] Figure 2Part structure schematic view of the device shell and the heat dissipation dismounting mechanism in the loudspeaker double voice coil device.

[0016] Figure 3 Part structure schematic view of the heat dissipation dismounting mechanism in the loudspeaker double voice coil device.

[0017] Figure 4 Part structure plan view of the heat dissipation dismounting mechanism in the loudspeaker double voice coil device.

[0018] In the drawing: 1, device shell; 2, heat dissipation dismounting mechanism; 201, U-shaped positioning frame; 202, U-shaped positioning groove; 203, anti-dropping positioning bayonet; 204, heat dissipation frame; 205, heat dissipation filter screen; 206, sealing connecting strip; 207, inner movable connecting groove; 208, positioning movable clamping block; 209, inner limiting plate; 210, damper; 211, elastic member. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] As Figures 1-4 shown, a loudspeaker double voice coil device, including device shell 1, the outer wall of device shell 1 is positioned and installed with heat dissipation dismounting mechanism 2, heat dissipation dismounting mechanism 2 includes U-shaped positioning frame 201, U-shaped positioning groove 202, anti-dropping positioning bayonet 203, heat dissipation frame 204, heat dissipation filter screen 205, sealing connecting strip 206, inner movable connecting groove 207, positioning movable clamping block 208, inner limiting plate 209, damper 210 and elastic member 211, can effectively block dust and other small particles from entering the double voice coil device, reduce the performance decline or failure caused by dust accumulation, and also promote air circulation, help the double voice coil device better dissipate heat and prevent overheating damage.

[0021] Further, U-shaped positioning frame 201 is located at both sides of the outer wall of device shell 1, U-shaped positioning groove 202 is opened in the inner side of U-shaped positioning frame 201, anti-dropping positioning bayonet 203 is opened in the inner wall of U-shaped positioning groove 202, and anti-dropping positioning bayonet 203 and positioning movable clamping block 208 are mutually adapted.

[0022] Further, heat dissipation filter screen 205 is located at the inner wall of heat dissipation frame 204, sealing connecting strip 206 is located at the upper part of the rear end of heat dissipation frame 204, inner movable connecting groove 207 is opened at both sides of the outer wall of heat dissipation frame 204, positioning movable clamping block 208 is located in the inner part of inner movable connecting groove 207, and plays the role of clamping and positioning.

[0023] Further, the inner limiting plate 209 is located at the rear end of the positioning movable clamping block 208, the damper 210 and the elastic member 211 are both located at the rear end of the inner limiting plate 209, and the damper 210 is located at the inner side of the elastic member 211, so as to provide elastic force.

[0024] Further, one side of the U-shaped positioning frame 201 is fixedly connected with both sides of the outer wall of the device shell 1, the heat dissipation filter screen 205 is embedded in and fixed to the inner wall of the heat dissipation frame 204, so that the firmness is enhanced, and the heat dissipation filter screen 205 can play a role of air permeation and heat dissipation on the inner wall of the heat dissipation frame 204.

[0025] Further, one side of the sealing connecting strip 206 is positioned and fixed to the upper part of the rear end of the heat dissipation frame 204 through strong glue, so that the firmness is enhanced.

[0026] Further, the rear end of the positioning movable clamping block 208 is fixedly connected with one side of the inner limiting plate 209, the other side of the inner limiting plate 209 is fixedly connected with one end of the damper 210 and the elastic member 211, and the other end of the damper 210 and the elastic member 211 is fixedly connected with the inner side of the inner movable connecting groove 207, so that the stability is enhanced.

[0027] Further, the outer wall of the heat dissipation frame 204 is movably connected with the inner wall of the U-shaped positioning groove 202, and the outer wall of the positioning movable clamping block 208 is movably connected with the inner wall of the anti-dropping positioning clamping port 203, so that quick disassembly and assembly are facilitated.

[0028] Working principle: a kind of loudspeaker double voice coil device, including device shell 1 and heat dissipation dismounting mechanism 2, by the heat dissipation dismounting mechanism 2 set, heat dissipation frame 204 is inserted into the inner side of U-shaped positioning groove 202, positioning movable clamping block 208 is positioned by the effect of damper 210 and elastic member 211 at its rear end and is clamped into the inner wall of anti-dropping positioning clamping port 203, so that heat dissipation frame 204 and U-shaped positioning frame 201 are quickly positioned, inner limiting plate 209 plays a role of limiting at the rear end of positioning movable clamping block 208, heat dissipation filter screen 205 can play a role of air permeation and heat dissipation on the inner wall of heat dissipation frame 204, dust and other small particles can be effectively blocked to enter the double voice coil device, performance decline or failure caused by dust accumulation is reduced, air circulation is also promoted, and the double voice coil device is better cooled, and overheating damage is prevented.

[0029] It is to be noted that, in the present document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A loudspeaker dual voice coil arrangement comprising an arrangement housing (1) characterised in that: The outer wall of the device shell (1) is provided with a heat dissipation dismounting mechanism (2), which comprises a U-shaped positioning frame (201), a U-shaped positioning groove (202), a anti-dropping positioning bayonet (203), a heat dissipation frame (204), a heat dissipation filter screen (205), a sealing connecting strip (206), an inner movable connecting groove (207), a positioning movable clamping block (208), an inner limiting plate (209), a damper (210) and an elastic member (211).

2. A loudspeaker dual voice coil arrangement according to claim 1, characterized in that: The U-shaped positioning frame (201) is located on both sides of the outer wall of the device shell (1), the U-shaped positioning groove (202) is opened in the inner side of the U-shaped positioning frame (201), and the anti-dropping positioning bayonet (203) is opened on the inner wall of the U-shaped positioning groove (202).

3. A loudspeaker dual voice coil arrangement according to claim 2, wherein: The heat dissipation filter screen (205) is located on the inner wall of the heat dissipation frame (204), the sealing connecting strip (206) is located on the upper part of the rear end of the heat dissipation frame (204), the inner movable connecting grooves (207) are opened on both sides of the outer wall of the heat dissipation frame (204), and the positioning movable clamping block (208) is located in the inner movable connecting grooves (207).

4. A loudspeaker dual voice coil arrangement according to claim 3, wherein: The inner limiting plate (209) is located at the rear end of the positioning movable clamping block (208), and the damper (210) and the elastic member (211) are located at the rear end of the inner limiting plate (209), and the damper (210) is located on the inner side of the elastic member (211).

5. A loudspeaker dual voice coil arrangement according to claim 4, wherein: One side of the U-shaped positioning frame (201) is fixedly connected with both sides of the outer wall of the device shell (1), and the heat dissipation filter screen (205) is embedded in the inner wall of the heat dissipation frame (204) and is fixed.

6. A loudspeaker dual voice coil arrangement according to claim 5, wherein: One side of the sealing connecting strip (206) is positioned and adhered to the upper part of the rear end of the heat dissipation frame (204) through strong glue.

7. A loudspeaker dual voice coil arrangement according to claim 6, wherein: The rear end of the positioning movable clamping block (208) is fixedly connected with one side of the inner limiting plate (209), the other side of the inner limiting plate (209) is fixedly connected with one end of the damper (210) and the elastic member (211), and the other end of the damper (210) and the elastic member (211) is fixedly connected with the inner side of the inner movable connecting groove (207).

8. A loudspeaker dual voice coil arrangement according to claim 7, wherein: The outer wall of the heat dissipation frame (204) is movably connected with the inner wall of the U-shaped positioning groove (202), and the outer wall of the positioning movable clamping block (208) is movably connected with the inner wall of the anti-dropping positioning bayonet (203).

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