Audio amplifier

Abstract

The audio frequency amplifier comprises a sound box, a box cover is arranged on the sound box, guide rods are arranged on the two sides of the bottom of the sound box, L-shaped plates are connected to the guide rods in a sliding mode, contact blocks are arranged on the tops of the guide rods, and first springs are arranged on the portions, located between the L-shaped plates and the sound box, of the guide rods in a sleeved mode. Two L-shaped plates are arranged at the bottom of the box cover, an audio amplification device is placed on the two L-shaped plates, a buffer rod is arranged at the bottom of the box cover and makes contact with the audio amplification device, a groove is formed in the bottom of the loudspeaker box, a heat dissipation mechanism is arranged in the groove, heat dissipation holes are formed in one side of the loudspeaker box, and a containing groove is formed in the audio amplification device. According to the audio amplifier provided by the utility model, through the matching arrangement of the L-shaped plate, the guide rod, the spring and the buffer rod, the quick installation of the audio amplifying device is realized, and meanwhile, the overload protector is arranged in the audio amplifying device, so that the overload damage to electrical elements in the audio amplifier body caused by a surge phenomenon is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of audio amplifiers, in particular to an audio amplifier. Background Art

[0002] Existing audio amplifiers are usually installed directly inside the smart speaker using screws, which makes installation troublesome and easy to damage the device. After long-term use, the screws rust and are not conducive to repair and replacement. At the same time, during the use of audio device amplifiers, circuit failures often occur due to unstable current, which then causes excess current to flow to the audio device instantly, causing damage to the audio device. If there is a fault on the audio device end and the power supply end is not cut off in time, the entire audio circuit may be damaged.

[0003] Based on the above situation, the utility model proposes an audio amplifier, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an audio amplifier. The audio amplifier of the utility model has a simple structure and is easy to use. The L-shaped plate, the guide rod, the spring and the buffer rod are matched to realize the rapid installation of the audio amplifier device. At the same time, an overload protector is arranged in the audio amplifier device to prevent the electrical components inside the audio amplifier body from being overloaded and damaged by surge.

[0005] The utility model is realized by the following technical solutions:

[0006] An audio amplifier comprises a sound box, wherein the sound box is provided with a box cover, guide rods are provided on both sides of the bottom of the sound box, an L-shaped plate is slidably connected to the guide rods, a contact block is provided on the top of the guide rods, a first spring is sleeved on the part of the guide rod located between the L-shaped plate and the sound box, an audio amplifier device is placed on the two L-shaped plates, a buffer rod is provided at the bottom of the box cover, the buffer rod is in contact with the audio amplifier device, a groove is provided at the bottom of the sound box, a heat dissipation mechanism is provided in the groove, a heat dissipation hole is provided on one side of the sound box, a receiving groove is provided on the audio amplifier device, a protective box is clamped in the receiving groove, and an overload protector is provided in the protective box.

[0007] The purpose of the utility model is to provide an audio amplifier. The audio amplifier of the utility model has a simple structure and is easy to use. The L-shaped plate, the guide rod, the spring and the buffer rod are matched to realize the rapid installation of the audio amplifier device. At the same time, an overload protector is arranged in the audio amplifier device to prevent the electrical components inside the audio amplifier body from being overloaded and damaged by surge.

[0008] Preferably, guide strips are provided on both sides of the protective box, guide slots matching the guide strips are provided on both sides of the accommodating slot, a limiting slot is provided on one side of the protective box, a limiting hole is provided on the audio amplifying device corresponding to the limiting slot, and a limiting component is provided at the limiting hole.

[0009] Preferably, the limiting assembly includes a limiting plate, a limiting slider and a second spring. A slide groove is provided on the audio amplifying device. The limiting slider is slidably connected in the slide groove. A second spring is provided between the limiting slider and the slide groove. One end of the limiting slider is fixedly connected to the limiting plate, and the limiting plate is slidably connected in the limiting hole.

[0010] Preferably, a spring groove is provided at the bottom of the accommodating groove, and a third spring is fixed in the spring groove.

[0011] Preferably, slide grooves are provided on both sides of the speaker box, and a slider is fixedly provided on the outer side of the L-shaped plate, and the slider is slidably connected in the slide groove.

[0012] Preferably, the heat dissipation mechanism includes a motor, a fan and a filter, the motor is connected to the fan, and the filter is arranged on the surface of the groove.

[0013] Preferably, the speaker is fixedly connected to the box cover by bolts.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] The audio amplifier of the utility model has a simple structure and is easy to use. The quick installation of the audio amplifier device is achieved through the coordination of the L-shaped plate, the guide rod, the spring and the buffer rod. At the same time, an overload protector is arranged in the audio amplifier device to prevent overload damage to the electrical components inside the audio amplifier body caused by surge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the audio amplifier device of the utility model;

[0020] Figure 5 This is a front view structural diagram of the audio amplifier device (with a hidden protective box) of the utility model;

[0021] Figure 6It is a side structural schematic diagram of the audio amplifier device (hidden protective box) of the utility model;

[0022] Figure 7 This is a front view structural diagram of the protection box of the utility model;

[0023] Figure 8 It is a side view structural schematic diagram of the protection box of the utility model;

[0024] Fig. 9 It is a schematic diagram of the top view of the protective box of the utility model;

[0025] Fig.10 It is a structural schematic diagram of the limit assembly of the utility model. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0027] The technical features such as the overload protector described in the utility model (the constituent units / elements of the utility model), unless otherwise specified, are obtained from conventional commercial channels or manufactured by conventional methods. Their specific structures, working principles, and possible control methods and spatial layout methods can be selected conventionally in the art and should not be regarded as the innovative points of the utility model. For those skilled in the art, it is understandable and the utility model patent will not be further elaborated.

[0028] Embodiment 1:

[0029] like Figures 1 to 10As shown, the utility model provides an audio amplifier, including a sound box 1, a box cover 2 is provided on the sound box 1, guide rods 11 are provided on both sides of the bottom of the sound box 1, an L-shaped plate 12 is slidably connected to the guide rod 11, a contact block 13 is provided on the top of the guide rod 11, a spring 14 is sleeved on the part of the guide rod 11 located between the L-shaped plate 12 and the sound box 1, an audio amplifier 3 is placed on the two L-shaped plates 12, a buffer rod 15 is provided at the bottom of the box cover 2, and the buffer rod 15 is in contact with the audio amplifier 3, a groove 16 is provided at the bottom of the sound box 1, a heat dissipation mechanism is provided in the groove 16, a heat dissipation hole 17 is provided on one side of the sound box 1, and a receiving groove 31 is provided on the audio amplifier 3, a protective box 32 is clamped in the receiving groove 31, and an overload protector 33 is provided in the protective box 32.

[0030] The audio amplifier 3 is placed on the two L-shaped plates 12 and the box cover 2 is closed. The buffer rod 15 on the box cover 2 will press down the audio amplifier 3. At the same time, under the elastic action of the first spring 14, the two L-shaped plates 12 will be kept in a certain position and have a shock absorbing function.

[0031] A protection box 32 is provided on the audio amplifier device 3 , and an overload protector 33 is provided inside the protection box 32 to prevent overload damage to the internal electrical components of the audio amplifier device 3 caused by a surge.

[0032] Embodiment 2:

[0033] like Figures 1 to 10 As shown, the utility model provides an audio amplifier, including a sound box 1, a box cover 2 is provided on the sound box 1, guide rods 11 are provided on both sides of the bottom of the sound box 1, an L-shaped plate 12 is slidably connected to the guide rod 11, a contact block 13 is provided on the top of the guide rod 11, a spring 14 is sleeved on the part of the guide rod 11 located between the L-shaped plate 12 and the sound box 1, an audio amplifier 3 is placed on the two L-shaped plates 12, a buffer rod 15 is provided at the bottom of the box cover 2, and the buffer rod 15 is in contact with the audio amplifier 3, a groove 16 is provided at the bottom of the sound box 1, a heat dissipation mechanism is provided in the groove 16, a heat dissipation hole 17 is provided on one side of the sound box 1, and a receiving groove 31 is provided on the audio amplifier 3, a protective box 32 is clamped in the receiving groove 31, and an overload protector 33 is provided in the protective box 32.

[0034] Guide strips 321 are provided on both sides of the protection box 32, guide slots 311 matching the guide strips 321 are provided on both sides of the accommodating slot 31, a limiting slot 322 is provided on one side of the protection box 32, and a limiting hole 34 is provided on the audio amplifier 3 corresponding to the limiting slot 322, and a limiting component 33 is provided at the limiting hole 34.

[0035] The guide strip 321 and the guide groove 311 can facilitate the insertion of the protection box 32 into the receiving groove 31 , and the limiting assembly 33 can fix the protection box 32 after it is placed into the receiving groove 31 .

[0036] Furthermore, in another embodiment, the limiting assembly 33 includes a limiting plate 331, a limiting slider 332 and a second spring 333. A slide groove is provided on the audio amplifying device 3, and the limiting slider 332 is slidably connected in the slide groove. A second spring 333 is provided between the limiting slider 332 and the slide groove. One end of the limiting slider 332 is fixedly connected to the limiting plate 331, and the limiting plate 331 is slidably connected in the limiting hole 34.

[0037] By sliding the limiting slider 332 in the slide groove, the limiting plate 331 can be pulled back into the limiting hole, so that the protection box 32 can be placed in the accommodating groove 31. After the protection box 32 is placed, the limiting slider 332 is released, and the limiting slider 332 will rebound under the action of the second spring 333, thereby pushing the limiting plate 331 into the limiting groove 322.

[0038] Furthermore, in another embodiment, a spring groove 312 is formed at the bottom of the accommodating groove 31 , and a third spring 313 is fixed in the spring groove 312 .

[0039] A third spring 313 is provided to push the protection box 32 to facilitate taking it out of the receiving groove 31 .

[0040] Furthermore, in another embodiment, slide grooves 18 are opened on both sides of the speaker 1 , and a slider 121 is fixedly provided on the outer side of the L-shaped plate 12 , and the slider 121 is slidably connected in the slide groove 18 .

[0041] The slide groove 18 is provided to allow the L-shaped block to slide therein, so that the L-shaped block can slide more smoothly.

[0042] Furthermore, in another embodiment, the heat dissipation mechanism includes a motor 191 , a fan 192 and a filter 193 , the motor 191 is connected to the fan 192 , and the filter 193 is disposed on the surface of the groove 16 .

[0043] The motor 191 drives the fan 192 to rotate, so as to blow air into the speaker 1 to dissipate heat, and then the hot air can flow out from the heat dissipation holes 17 .

[0044] Furthermore, in another embodiment, the speaker 1 is fixedly connected to the box cover 2 via bolts 4 .

[0045] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the audio amplifier of the present invention, and can produce the positive effects recorded in the present invention.

[0046] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0047] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. An audio amplifier, characterized in that: The invention comprises a speaker, wherein the speaker is provided with a box cover, guide rods are provided on both sides of the bottom of the speaker, an L-shaped plate is slidably connected to the guide rods, a contact block is provided on the top of the guide rods, a first spring is sleeved on the part of the guide rod located between the L-shaped plate and the speaker, an audio amplifier is placed on the two L-shaped plates, a buffer rod is provided at the bottom of the box cover, the buffer rod is in contact with the audio amplifier, a groove is provided at the bottom of the speaker, a heat dissipation mechanism is provided in the groove, a heat dissipation hole is provided on one side of the speaker, a receiving groove is provided on the audio amplifier, a protective box is clamped in the receiving groove, and an overload protector is provided in the protective box.

2. The audio amplifier according to claim 1, characterized in that: Guide strips are provided on both sides of the protection box, guide slots matching the guide strips are provided on both sides of the accommodating slot, a limiting slot is provided on one side of the protection box, a limiting hole is provided on the audio amplifying device corresponding to the limiting slot, and a limiting component is provided at the limiting hole.

3. The audio amplifier according to claim 2, characterized in that: The limiting assembly includes a limiting plate, a limiting slider and a second spring. A slide groove is provided on the audio amplifying device. The limiting slider is slidably connected in the slide groove. A second spring is provided between the limiting slider and the slide groove. One end of the limiting slider is fixedly connected to the limiting plate, and the limiting plate is slidably connected in the limiting hole.

4. The audio amplifier according to claim 2, characterized in that: A spring groove is provided at the bottom of the accommodating groove, and a third spring is fixed in the spring groove.

5. The audio amplifier according to claim 1, characterized in that: Slide grooves are provided on both sides of the sound box, and a sliding block is fixedly provided on the outer side of the L-shaped plate, and the sliding block is slidably connected in the slide groove.

6. The audio amplifier according to claim 1, characterized in that: The heat dissipation mechanism comprises a motor, a fan and a filter, the motor is connected to the fan, and the filter is arranged on the surface of the groove.

7. The audio amplifier according to claim 1, characterized in that: The sound box is fixedly connected to the box cover by bolts.

Images