Foldable power amplifier structure

Abstract

The utility model provides a foldable power amplifier structure, which relates to the technical field of power amplifiers and comprises a power amplifier body, a support frame is detachably connected to the outside of the power amplifier body, a second damping shaft is fixedly mounted in the support frame, and a connecting frame is rotatably connected to the outer surface of the second damping shaft. A first protective cover is fixedly mounted on the outer surface of the connecting frame, a second protective cover is slidably connected into the first protective cover, and the back of the fixing frame can be supported by rotating the first protective cover and the second protective cover through cooperation of the first protective cover, the second protective cover and the elastic pieces. When the touch screen is stored, the second protective cover is stored in the first protective cover, then the first protective cover and the second protective cover integrally cover the outer portion of the fixing frame, external protection can be conducted on the touch screen through the first protective cover and the second protective cover, the function of storing and protecting the touch screen is achieved, and the protection capacity during moving and carrying is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of power amplifier structure, specifically a kind of foldable power amplifier structure, belong to power amplifier technical field. BACKGROUND

[0002] Power amplifier belongs to one of power amplifier, can be used for signal amplification and sound quality optimization, can also enhance audio signal, especially with touch screen power amplifier when using can facilitate user and device interaction.

[0003] The power amplifier song integrated machine in prior art is provided with a touch screen capable of rotating adjustment, a support part capable of rotating support is arranged in the interior of the power amplifier, when the touch screen is opened, the back of the touch screen can be stably supported, ensuring the stability of the touch screen support, but in the design, the touch screen is not protected additionally when being stored outside the power amplifier device, the touch screen is exposed outside when being stored, and the exposed touch screen is easily damaged by external factors, therefore, we provide a kind of foldable power amplifier structure to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a kind of foldable power amplifier structure to solve the above problems, and the specific technical scheme is:

[0005] A kind of foldable power amplifier structure, including power amplifier body, the interior of the power amplifier body is installed with damping shaft one, the outer portion of the damping shaft one is rotatably connected with fixed frame, the interior of the fixed frame is installed with touch screen, the outer portion of the power amplifier body is detachably connected with support frame, the interior of the support frame is fixedly installed with damping shaft two, the outer surface of the damping shaft two is rotatably connected with connecting frame, the outer surface of the connecting frame is fixedly installed with protective cover one, the interior of the protective cover one is slidably connected with protective cover two, the interior of the protective cover two is equipped with positioning slot, the outer surface of the protective cover one is detachably connected with fixed plate, the outer surface of the fixed plate is fixedly installed with elastic sheet.

[0006] Preferably, the outer surface of the fixed frame is in contact with the interior of the protective cover one and the protective cover two, and the outer surface of the fixed frame is in contact with the outer surface of the power amplifier body.

[0007] Preferably, the interior of the protective cover one is equipped with limiting slot, and the two sides of the protective cover two are fixedly installed with limiting plate, and the outer surface of the limiting plate is slidably connected with the interior of the limiting slot.

[0008] Preferably, the outer surface of the elastic sheet is in contact with the interior of the limiting groove, the elastic sheet is of L-shaped structure, the two sides of the bent end of the elastic sheet are provided with inclined angles, the two sides of the interior of the limiting groove are provided with inclined angles, and the outer surface of the elastic sheet is in contact with the interior of the limiting groove.

[0009] Preferably, a plurality of fixing grooves are arranged in the interior of the fixing frame, and a clamping plate one is fixedly arranged in the interior of the fixing groove.

[0010] Preferably, a plurality of supporting plates are fixedly arranged on the outer surface of the protective cover two, a clamping plate two is fixedly arranged on the outer surface of the supporting plate, the clamping plate two is made of rubber, and the outer surface of the clamping plate one is in contact with the outer surface of the clamping plate two.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、the can foldable power amplifier structure through the cooperation between protective cover one, protective cover two and elastic sheet, pull protective cover two when using touch screen, the length of protective cover one and protective cover two can be adjusted by moving protective cover two, at this moment, the stability of protective cover two when fixed can be ensured when the position of protective cover two is adjusted, at this moment, the back of the fixing frame can be supported by rotating protective cover one and protective cover two, the stability when using touch screen is improved, when the touch screen is stored, protective cover two is stored in the interior of protective cover one, then protective cover one and protective cover two are covered on the outside of the fixing frame, the external protection of touch screen can be realized by protective cover one and protective cover two, when the whole power amplifier body is moved, the damage of touch screen is not easy to cause, the function of storing and protecting touch screen is realized, and the protection ability when moving and carrying is improved.

[0013] 2、the can foldable power amplifier structure is provided with clamping plate one and clamping plate two, when the back of the fixing frame is supported by protective cover one and protective cover two, clamping plate two is controlled to enter the interior of the fixing groove, then the chamfer of clamping plate one and clamping plate two is contacted, at this moment, the angle of touch screen can be auxiliary fixed, the angle of touch screen is not easy to rotate when external force is received, and the stability when using touch screen is ensured. ACCURACY

[0014] Figure 1 It is the overall structure schematic view of the utility model;

[0015] Figure 2 It is the overall working schematic view of the utility model;

[0016] Figure 3 It is the utility model Figure 2 in the local enlarged view A diagram;

[0017] Figure 4 It is a component schematic view of the protective cover one of the utility model.

[0018] Figure 5 It is a partial enlarged view B of the utility model Figure 4 .

[0019] BRIEF DESCRIPTION OF DRAWINGS: 1, power amplifier body; 2, damping shaft one; 3, fixed frame; 4, touch screen; 5, support frame; 6, damping shaft two; 7, connecting frame; 8, protective cover one; 9, protective cover two; 10, positioning groove; 11, fixed plate; 12, elastic sheet; 13, limiting groove; 14, limiting plate; 15, fixed groove; 16, clamping plate one; 17, support plate; 18, clamping plate two. DETAILED DESCRIPTION

[0020] The utility model will be further described with reference to the drawings.

[0021] Please refer to Figure 1 - Figure 5 A kind of foldable power amplifier structure, including power amplifier body 1, the inside installation of power amplifier body 1 has damping shaft one 2, damping shaft one 2 is rotatably connected with fixed frame 3 outside, fixed frame 3 is installed with touch screen 4 inside, power amplifier body 1 mainly includes hardware control, audio signal processing and touch interactive system three parts, wherein touch screen 4 can be inducted human body current or pressure change positioning touch point and convert touch signal into digital command, by I2C or SPI interface transmission to main control chip, then by audio processing and amplification module, audio source signal is received, decoded and post-amplification etc. Operation is output, can further realize the amplification of signal and the optimization function of tone quality, using the damping effect of damping shaft one 2 can make fixed frame 3 have the function of slow movement and hover, facilitate the angle of touch screen 4 is prepositioned and adjusted.

[0022] The outside of power amplifier body 1 can be detachably connected with support frame 5, support frame 5 is fixed in the outside of power amplifier body 1 by multiple groups of fixed bolts, damping shaft two 6 is fixedly installed in the inside of support frame 5, connecting frame 7 is rotatably connected to the outer surface of damping shaft two 6, under the action of damping shaft two 6, connecting frame 7 can hover rotation, facilitate the position of connecting frame 7 is assisted with limiting and adjusting.

[0023] The outer surface of the connecting frame 7 is fixedly provided with a protective cover one 8, the inner surface of the protective cover one 8 is slidably connected with a protective cover two 9, the outer surface of the fixed frame 3 is in contact with the inner surface of the protective cover one 8 and the protective cover two 9, the outer surface of the fixed frame 3 is in contact with the outer surface of the power amplifier body 1, part of the protective cover two 9 is located in the inner surface of the protective cover one 8, the overall length of the protective cover one 8 and the protective cover two 9 can be adjusted by moving the protective cover two 9, the outer surface of the touch screen 4 can be shielded by the protective cover one 8 and the protective cover two 9, when the touch screen 4 is rotated to be stored outside the power amplifier body 1, the protective cover one 8 and the protective cover two 9 can be controlled to cover the outer surface of the fixed frame 3.

[0024] The inner surface of the protective cover one 8 is provided with a limiting groove 13, the two sides of the protective cover two 9 are fixedly provided with a limiting plate 14, the outer surface of the limiting plate 14 is slidably connected with the inner surface of the limiting groove 13, the two sides of the protective cover two 9 can be assisted and limited by the limiting plate 14, so as to ensure the stability when the protective cover two 9 is connected with the protective cover one 8.

[0025] The inner surface of the fixed frame 3 is provided with a plurality of fixed grooves 15, the inner surface of the fixed groove 15 is fixedly provided with a clamping plate one 16, the clamping plate one 16 is made of rubber, the plurality of fixed grooves 15 and the clamping plate are arranged in a straight line in the inner surface of the fixed frame 3, the fixed groove 15 and the clamping plate one 16 are arranged at the back position of the fixed frame 3, so as to facilitate the auxiliary support of the back surface of the touch screen 4.

[0026] The outer surface of the protective cover two 9 is fixedly provided with a plurality of supporting plates 17, the outer surface of the supporting plate 17 is fixedly provided with a clamping plate two 18, the clamping plate two 18 is made of rubber, the outer surface of the clamping plate one 16 is in contact with the outer surface of the clamping plate two 18, when the touch screen 4 is opened, the protective cover two 9 is controlled to move, at this time, the clamping plate two 18 is controlled to enter the inner surface of the fixed groove 15, and the clamping plate one 16 and the clamping plate two 18 are connected with each other, the supporting plate 17 and the clamping plate two 18 are L-shaped structures, when the clamping plate one 16 and the clamping plate two 18 are in contact, a fixed hook structure can be formed, the back surface of the fixed frame 3 can be assisted and limited, and the position can be stably limited after the angle of the touch screen 4 is adjusted.

[0027] The inside of the protective cover two 9 is provided with a positioning groove 10, the outer surface of the protective cover one 8 is detachably connected with a fixed plate 11, the outer surface of the fixed plate 11 is fixedly installed with an elastic sheet 12, the outer surface of the elastic sheet 12 is in contact with the inside of a limiting groove 13, the elastic sheet 12 is of L-shaped structure, the two sides of the bent end of the elastic sheet 12 are all inverted with an inclined angle, the two sides of the inside of the positioning groove 10 are all inverted with an inclined angle, the outer surface of the elastic sheet 12 is in contact with the inside of the positioning groove 10, the elastic sheet 12 is an elastic metal sheet, when the two sides of the elastic sheet 12 are subjected to external force, bending deformation will occur, thereby when the protective cover two 9 moves, the elastic sheet 12 will be in contact with the positioning groove 10 at different positions, the position of the protective cover two 9 can be fixed, the overall length can be conveniently folded and adjusted, and the whole is more convenient to install and use.

[0028] The electrical equipment in the application is a common electrical equipment in the prior art, and the type or internal structure thereof will not be described in detail, and it can also be replaced by other power sources.

[0029] In use, the control fixed frame 3 is rotated and stored when the power amplifier body 1 is stored, at this time, the protective cover one 8 and the protective cover two 9 cover the outside of the fixed frame 3, the protective cover one 8 and the protective cover two 9 can protect the outside of the fixed frame 3, and the touch screen 4 in the fixed frame 3 can be folded and stored and protected.

[0030] When the touch screen 4 rotates, the protective cover two 9 is controlled to move in the inside of the protective cover one 8, at this time, the elastic sheet 12 is in contact with the positioning groove 10 at different positions, the folded protective cover two 9 can be fixed, then the whole is rotated and the clamping plate two 18 enters the inside of the fixed groove 15, the clamping plate one 16 and the clamping plate two 18 are in contact, at this time, the clamping plate one 16 and the clamping plate two 18 cooperate to fix the back of the fixed frame 3, the protective cover one 8 and the protective cover two 9 can support the back of the fixed frame 3, and the stability of the touch screen 4 in use can be ensured.

[0031] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be interpreted as limiting the protection scope of the utility model in any way. Based on the explanations herein, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the claims of the utility model.

Claims

1. A foldable power amplifier structure, comprising a power amplifier body (1), characterized in that: The amplifier body (1) is equipped with a damping shaft 1 (2) inside. The damping shaft 1 (2) is rotatably connected to a fixed frame (3). The fixed frame (3) is equipped with a touch screen (4) inside. The amplifier body (1) is detachably connected to a support frame (5). The support frame (5) is fixedly installed with a damping shaft 2 (6) inside. The outer surface of the damping shaft 2 (6) is rotatably connected with a connecting frame (7). The outer surface of the connecting frame (7) is fixedly installed with a protective cover 1 (8). The protective cover 1 (8) is slidably connected with a protective cover 2 (9) inside. The protective cover 2 (9) has a positioning groove (10) inside. The outer surface of the protective cover 1 (8) is detachably connected with a fixing plate (11). The outer surface of the fixing plate (11) is fixedly installed with an elastic sheet (12).

2. The foldable power amplifier structure according to claim 1, characterized in that: The outer surface of the fixed frame (3) is in contact with the interior of both the first protective cover (8) and the second protective cover (9), and the outer surface of the fixed frame (3) is in contact with the outer surface of the power amplifier body (1).

3. The foldable power amplifier structure according to claim 1, characterized in that: The protective cover one (8) has a limiting groove (13) inside, and the protective cover two (9) has a limiting plate (14) fixedly installed on both sides. The outer surface of the limiting plate (14) is slidably connected to the inside of the limiting groove (13).

4. The foldable power amplifier structure according to claim 1, characterized in that: The outer surface of the elastic sheet (12) is in contact with the interior of the limiting groove (13). The elastic sheet (12) has an L-shaped structure. Both sides of the bent end of the elastic sheet (12) are chamfered. Both sides of the interior of the positioning groove (10) are chamfered. The outer surface of the elastic sheet (12) is in contact with the interior of the positioning groove (10).

5. The foldable power amplifier structure according to claim 1, characterized in that: The fixed frame (3) has multiple sets of fixed grooves (15) inside, and a card plate (16) is fixedly installed inside the fixed groove (15). The card plate (16) is made of rubber.

6. The foldable power amplifier structure according to claim 5, characterized in that: Multiple sets of support plates (17) are fixedly installed on the outer surface of the second protective cover (9). The second clamping plate (18) is fixedly installed on the outer surface of the support plate (17). The second clamping plate (18) is made of rubber. The outer surface of the first clamping plate (16) is in contact with the outer surface of the second clamping plate (18).

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