CN217160002U

CN217160002U - Overload-free low-noise audio amplifier device

Info

Publication number: CN217160002U
Application number: CN202221080637.2U
Authority: CN
Inventors: 孙宇峰
Original assignee: Jiuyin Nanjing Integrated Circuit Technology Co ltd
Current assignee: Jiuyin Nanjing Integrated Circuit Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-09
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses an audio amplifier equipment of overload low noise exempts from, it includes audio amplifier equipment body: the right side of the audio amplifier equipment body is provided with a first cavity, the inner cavity of the first cavity is fixedly connected with a mounting box, the right side of the mounting box is provided with a second cavity, the inner cavity of the second cavity is inserted with overload protection equipment, and the left side of the inner cavity of the second cavity is provided with a slot. The utility model discloses a with the inner chamber of overload protection equipment disect insertion cavity two, the plug-in block gets into the inner chamber of slot during, the cooperation of wedge on plug-in block and the locking piece for locking piece downstream and extrusion spring two, when the locked groove of plug-in block below aligns with the locking piece, the restoring force of spring two makes the locking piece get into the inner chamber of locked groove, realize the installation to overload protection equipment, overload protection equipment's installation need not dismantle audio amplifier equipment body with the dismantlement, the effectual dismouting efficiency that has improved.

Description

Overload-free low-noise audio amplifier device

Technical Field

The utility model belongs to the technical field of audio amplifier, especially, relate to audio amplifier equipment of overload low noise exempts from.

Background

The audio amplifier is a device for reconstructing an input audio signal on an output element generating sound, and has a large power difference from the milliwatt level of an earphone to several watts of TV or PC audio, to dozens of watts of 'mini' home stereo and car audio, to more than hundreds of watts of household and commercial sound systems with larger power, according to different applications, so that the audio amplifier is large enough to meet the sound requirements of a whole cinema or auditorium.

In the use of audio amplifier equipment, in order to avoid frequency amplifier equipment because the electric current is unstable, make the excess current rush to audio equipment in the twinkling of an eye, lead to audio amplifier equipment to produce the noise, the condition of damage then appears, can install overload protection device and advance the shape to audio amplifier equipment and avoid overload protection on audio amplifier equipment, traditional overload protection device all installs inside audio amplifier equipment, it just can install to demolish audio amplifier, during the later maintenance, also take apart audio amplifier equipment and just can maintain, low efficiency, and frequently dismantle audio amplifier equipment and easily lead to its internal component to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an audio amplifier equipment of overload low noise exempts from to solve traditional overload protection device and all install inside audio amplifier equipment, need demolish just can install audio amplifier, during the later maintenance, also need unpack audio amplifier equipment apart just can maintain, and is inefficient, frequently dismantles audio amplifier equipment moreover and easily leads to its internal component to damage technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows: overload-free low-noise audio amplifier device, it includes audio amplifier device body: the right side of audio amplifier equipment body has been seted up cavity one, the inner chamber fixedly connected with mounting box of cavity one, cavity two has been seted up on the right side of mounting box, the inner chamber of cavity two is inserted and has been closed overload protection equipment, the slot has been seted up in the left side of two inner chambers of cavity, the left side fixedly connected with of overload protection equipment inserts the inserted block of slot inner chamber, the locked groove has been seted up to the bottom of inserted block, the movable chamber has been seted up to the inside of mounting box, the inner chamber sliding connection in movable chamber has the fly leaf, the right side fixedly connected with at fly leaf top runs through the locked block to slot inner chamber, the top of locked block extends to the inner chamber of locked groove, the left front side of two inner chambers of cavity and rear side all are provided with pops out the subassembly.

Preferably, the pop-up assembly comprises a cylindrical cavity arranged on the left side of an inner cavity of the second cavity, a first spring is fixedly connected to the left side of the inner cavity of the cylindrical cavity, and the right end of the first spring extends to the inner cavity of the second cavity and is in contact with the overload protection device.

Preferably, the bottom of the left side of the inserting block and the top of the right side of the locking block are both provided with wedge-shaped surfaces.

Preferably, the bottom of the movable plate is fixedly connected with a second spring, and the bottom of the second spring is fixedly connected with the inner wall of the movable cavity.

Preferably, the right side of the top of the movable plate is fixedly connected with a pressure lever, and the top of the pressure lever penetrates through the top of the audio amplifier equipment body.

1. The utility model has the advantages that: the utility model inserts the overload protection device into the inner cavity of the second cavity, the insert block enters the inner cavity of the slot during the process, the insert block is matched with the wedge surface on the locking block, make the locking piece remove downwards and extrude spring two, when the locked groove and the locking piece alignment of inserting the piece below, the restoring force of spring two makes the locking piece get into the inner chamber of locked groove, realize the installation to overload protection equipment, overload protection equipment's installation and dismantlement need not dismantle audio amplifier equipment body, effectual dismouting efficiency that has improved, traditional overload protection device has been solved and has all been installed inside audio amplifier equipment, it just can install to need demolish audio amplifier, during the later maintenance, also take audio amplifier equipment apart just can maintain, low efficiency, and frequently dismantle the problem that audio amplifier equipment easily leads to its internal element to damage.

2. The utility model discloses a setting of popping out the subassembly makes spring one be in extrusion state during overload protection equipment fixing, when dismantling overload protection equipment, the restoring force of spring one can make overload protection equipment stretch out mounting box outside partly, and the person of facilitating the use takes out overload protection equipment from the inner chamber of cavity two.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic view of a three-dimensional split according to an embodiment of the present invention;

fig. 3 is a schematic perspective sectional view and a schematic split view of a mounting box according to an embodiment of the present invention;

fig. 4 is a schematic perspective sectional view of an installation box according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. audio amplifier equipment body, 2, cavity one, 3, mounting box, 4, cavity two, 5, overload protection equipment, 6, slot, 7, inserted block, 8, locked groove, 9, activity chamber, 10, fly leaf, 11, locking block, 12, pop out the subassembly, 121, cylindricality chamber, 122, spring one, 13, spring two, 14, depression bar.

Detailed Description

Hereinafter, embodiments of the overload-free low-noise audio amplifier apparatus of the present invention will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1 to 4 show the audio amplifier device of an embodiment of the present invention with low noise and no overload, which includes an audio amplifier device body 1: the right side of the audio amplifier equipment body 1 is provided with a cavity I2, the inner cavity of the cavity I2 is fixedly connected with an installation box 3, the right side of the installation box 3 is provided with a cavity II 4, the inner cavity of the cavity II 4 is inserted with an overload protection device 5, the left side of the inner cavity of the cavity II 4 is provided with a slot 6, the left side of the overload protection device 5 is fixedly connected with an insertion block 7 inserted into the inner cavity of the slot 6, the bottom of the insertion block 7 is provided with a locking groove 8, the inside of the installation box 3 is provided with a movable cavity 9, the inner cavity of the movable cavity 9 is slidably connected with a movable plate 10, the bottom of the movable plate 10 is fixedly connected with a spring II 13, the bottom of the spring II 13 is fixedly connected with the inner wall of the movable cavity 9, the right side of the top of the movable plate 10 is fixedly connected with a locking block 11 penetrating through the inner cavity of the slot 6, wedge-shaped surfaces are arranged at the bottom of the left side of the insertion block 7 and the top of the right side of the locking block 11, and the top of the locking block 11 extends to the inner cavity of the locking groove 8, the left front side and the rear side of the cavity of the second 4 inner chambers are both provided with a pop-up component 12, the pop-up component 12 comprises a cylindrical cavity 121 arranged on the left side of the cavity of the second 4 inner chambers, a first spring 122 is fixedly connected to the left side of the inner cavity of the cylindrical cavity 121, the right end of the first spring 122 extends to the inner cavity of the second 4 inner chambers and contacts with the overload protection device 5, the setting of the pop-up component 12 is achieved, the overload protection device 5 is enabled to be in an extrusion state when being installed, when the overload protection device 5 is detached, the restoring force of the first spring 122 enables the overload protection device 5 to extend out of one part of the outer side of the installation box 3, the overload protection device 5 is taken out of the inner cavity of the second 4 by an convenience user, a pressure rod 14 is fixedly connected to the right side of the top of the movable plate 10, and the top of the pressure rod 14 penetrates through the top of the audio amplifier device body 1.

The working principle is as follows: when the utility model is used, a user inserts the overload protection device 5 into the inner cavity of the cavity two 4 by picking up the overload protection device 5, the overload protection device 5 extrudes the spring one 122 in the middle period, the insert 7 on the overload protection device 5 can enter the inner cavity of the slot 6, the insert 7 is contacted with the lock block 11, due to the wedge-shaped surface, the lock block 11 drives the movable plate 10 to slide downwards in the inner cavity of the movable cavity 9 and extrude the spring two 13 until the lock groove 8 is aligned with the lock block 11, the resilience of the spring two 13 enables the movable plate 10 to drive the lock block 11 to enter the inner cavity of the lock groove 8, so as to realize the installation of the overload protection device 5, when the overload protection device 5 is disassembled, a tool with a diameter smaller than the pressure rod 14 is picked up, the pressure rod 14 is forcibly pressed downwards, the pressure rod 14 drives the movable plate 10 to slide downwards, so that the lock block 11 is separated from the inner cavity of the lock groove 8, the overload protection device 5 pops out a part of the outer side of the installation box 3 due to the resilience of the spring one 122, the disassembly by the user is convenient.

In summary, the following steps: the overload-free low-noise audio amplifier device has the advantages that the overload protection device 5 is directly inserted into the inner cavity of the cavity II 4, the inserting block 7 enters the inner cavity of the inserting groove 6 in the period, the inserting block 7 is matched with the wedge-shaped surface on the locking block 11, the locking block 11 moves downwards and extrudes the spring II 13, when the locking groove 8 below the inserting block 7 is aligned with the locking block 11, the restoring force of the spring II 13 enables the locking block 11 to enter the inner cavity of the locking groove 8, the overload protection device 5 is installed, the audio amplifier device body 1 does not need to be disassembled when the overload protection device 5 is installed and disassembled, the disassembly and assembly efficiency is effectively improved, the problems that the traditional overload protection device is installed inside the audio amplifier device and can be installed only when the audio amplifier is disassembled, the audio amplifier device can be maintained only when in later maintenance, and the efficiency is low are solved, and frequent disassembly of the audio amplifier device is liable to cause damage to its internal components.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims

1. Overload-free low-noise audio amplifier device, characterized by comprising an audio amplifier device body (1): the right side of the audio amplifier equipment body (1) is provided with a first cavity (2), the inner cavity of the first cavity (2) is fixedly connected with a mounting box (3), the right side of the mounting box (3) is provided with a second cavity (4), the inner cavity of the second cavity (4) is inserted with an overload protection device (5), the left side of the inner cavity of the second cavity (4) is provided with a slot (6), the left side of the overload protection device (5) is fixedly connected with an insert block (7) inserted into the inner cavity of the slot (6), the bottom of the insert block (7) is provided with a locking groove (8), the inside of the mounting box (3) is provided with a movable cavity (9), the inner cavity of the movable cavity (9) is slidably connected with a movable plate (10), the right side of the top of the movable plate (10) is fixedly connected with a locking block (11) penetrating through the inner cavity of the slot (6), and the top of the locking block (11) extends to the inner cavity of the locking groove (8), and the front side and the rear side of the left side of the inner cavity of the cavity II (4) are both provided with an ejection assembly (12).

2. An overload-free and low-noise audio amplifier apparatus according to claim 1, wherein the pop-up assembly (12) includes a cylindrical cavity (121) opened at the left side of the cavity of the second cavity (4), a first spring (122) is fixedly connected to the left side of the cavity of the cylindrical cavity (121), and the right end of the first spring (122) extends to the cavity of the second cavity (4) and contacts with the overload protection apparatus (5).

3. An overload-free and low-noise audio amplifier apparatus according to claim 2, wherein the bottom of the left side of the insert block (7) and the top of the right side of the lock block (11) are provided with wedge surfaces.

4. The overload-free and low-noise audio amplifier apparatus according to claim 3, wherein a second spring (13) is fixedly connected to the bottom of the movable plate (10), and the bottom of the second spring (13) is fixedly connected to the inner wall of the movable chamber (9).

5. The overload-free and low-noise audio amplifier apparatus according to claim 4, wherein a pressure rod (14) is fixedly connected to the right side of the top of the movable plate (10), and the top of the pressure rod (14) penetrates to the top of the audio amplifier apparatus body (1).