Power amplifier shell convenient to disassemble and assemble

Abstract

The power amplifier shell comprises a shell body, a cover plate is installed on the top of the shell body and connected with the shell body through a clamping mechanism convenient to disassemble and assemble, an installation plate is arranged on the inner side of the shell body, and a buffering mechanism used for shock absorption of the installation plate is installed at the bottom of the inner side of the shell body. According to the power amplifier, the cover plate and the shell can be conveniently disassembled and assembled through the arranged clamping mechanism, the power amplifier can be conveniently clamped, fixed and disassembled through the arranged fixing mechanism, and the power amplifier can be conveniently disassembled and assembled through the arranged buffering mechanism. According to the shock-resistant power amplifier, effective buffer protection can be provided for the mounted power amplifier, so that the power amplifier is convenient to disassemble and assemble through the arrangement, the working efficiency is effectively improved, meanwhile, effective buffer protection can be provided for a power amplifier circuit board, and the shock-resistant effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power amplifiers, in particular to a power amplifier housing which is easy to disassemble and assemble. Background Art

[0002] Power amplifier, referred to as "PA", refers to an amplifier that can produce maximum power output to drive a certain load (such as a speaker) under given distortion conditions. The power amplifier plays a pivotal role of "organization and coordination" in the entire audio system, and to some extent dominates whether the entire system can provide good sound quality output.

[0003] The power amplifier needs to be used together with other equipment during use. The existing installation method is usually to install the power amplifier directly on the equipment. The power amplifier and the equipment are connected by welding or bolting. The power amplifier lacks external protection and is easily damaged. In addition, the disassembly and installation process is very cumbersome and inconvenient when the power amplifier needs to be maintained and repaired. Moreover, once the power amplifier is subjected to impact during use, its internal circuit board is easily damaged. The existing power amplifiers do not have an anti-vibration effect on the power amplifier circuit board or have a poor anti-vibration effect on the power amplifier circuit board.

[0004] Therefore, a power amplifier housing that is easy to disassemble and assemble is needed to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the above problems, the utility model provides a power amplifier housing which is easy to disassemble and assemble.

[0006] The utility model provides the following technical solution: a power amplifier housing that is easy to disassemble and assemble, comprising a housing, a cover plate is installed on the top of the housing, and is connected by a clamping mechanism that is easy to disassemble and assemble, a mounting plate is provided on the inner side of the housing, a buffer mechanism for shock absorption of the mounting plate is installed on the inner bottom of the housing, and a fixing mechanism that is easy to disassemble and assemble the power amplifier is provided on the top of the mounting plate;

[0007] The fixing mechanism includes two groups of clamping plates, a through slot is provided on the top of the mounting plate, one side of the through slot is located at the top of the mounting plate and a group of first support rods are provided, the other side of the through slot is located at the top of the mounting plate and two groups of second support rods are provided, the first support rod and the two groups of the second support rods are all slidably connected with the two groups of movable plates, the clamping plates are installed on one side of the two groups of movable plates, the bottom of one end of the two groups of movable plates are correspondingly provided with rack plates, the two groups of rack plates are meshed with circular gears, a connecting rod passes through the interior of the circular gear, one end of the connecting rod is rotatably connected to the top of the mounting plate, and the other end of the connecting rod is connected to a turntable.

[0008] In a further technical solution, the buffer mechanism includes a third spring, two groups of fixed rods are provided on the inner side of the shell near the bottom, and a fixed plate is provided at the center position of the two groups of fixed rods. The outer rings of the two groups of fixed rods are slidably connected with two groups of sliders, and one side of the two groups of sliders are respectively connected to the two sides of the fixed plate through the third spring sleeved on the outer ring of the fixed rod, and one side of the two groups of sliders are hinged with a hinged rod, and the other end of the two groups of hinged rods are hinged to the bottom of the mounting plate.

[0009] In a further technical solution, two groups of limit grooves are opened on the inner walls on both sides of the shell, and limit rods are provided on the inner sides of the limit grooves. The two ends of the mounting plate respectively pass through the inner sides of the corresponding two groups of limit grooves and are slidably connected with the limit rods.

[0010] In a further technical solution, the clamping mechanism includes a clamping block, the top four corners of the shell are provided with plug-in slots, the inner bottom of the plug-in slot is provided with a chassis, the top of the chassis is connected to a supporting plate slidably connected to the inner side of the plug-in slot through four groups of first springs, the inner side of the supporting plate is provided with a through slot, the inner side of the through slot is located at the top of the chassis and a boss is provided, the top of the boss is provided with a column and a fixed clamping seat installed on the top of the column, the outer ring of the column is slidably connected with an exit part used in conjunction with the fixed clamping seat, the bottom four corners of the cover plate are provided with plug-in rods respectively matched with the four groups of the plug-in slots, the bottom of the plug-in rod is provided with a groove, the inner wall of the groove is provided with two groups of sliding grooves near the bottom, the inner sides of the two groups of the sliding grooves are slidably connected with sliding rods, one end of the two groups of the sliding rods are respectively connected to the inner wall of one side of the two groups of the sliding grooves through second springs, and the other ends of the two groups of the sliding rods are installed with the clamping block matched with the fixed clamping seat.

[0011] In a further technical solution, a handle is installed on the top of the cover plate, and grilles are provided on the top of the cover plate and the bottom of the shell.

[0012] In a further technical solution, two sets of mounting seats are provided at the bottom of both sides of the shell for facilitating the installation of the shell.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model can drive the connecting rod and the circular gear to rotate by rotating the turntable. The circular gear can drive the two sets of rack plates to move inward by meshing with the two sets of rack plates. The two sets of rack plates can drive the two sets of movable plates to move inward along the two sets of second support rods and the first support rod respectively. The two sets of movable plates can drive the two sets of clamping plates to move inward, thereby facilitating the clamping, fixing and disassembly of the power amplifier. The buffer mechanism can provide effective buffering protection for the installed power amplifier, and the disassembly and installation of the power amplifier are facilitated by the setting, which effectively improves the work efficiency.

[0015] 2. When the power amplifier of the utility model is impacted, the impact force and its own gravity can generate downward pressure on the mounting plate, and the mounting plate can drive one end of the four sets of hinged rods to move downward, and the other ends of the four sets of hinged rods can drive the four sets of sliders to slide inward along the two sets of fixed rods respectively, and at the same time, the four sets of sliders can compress the four sets of third springs, so that under the contraction of the four sets of third springs, the impact force can be buffered, and then through the setting, effective buffering protection can be provided for the power amplifier circuit board, thereby improving its anti-seismic effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a bottom view of the utility model;

[0018] Figure 3 It is a side sectional view of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 5 for Figure 3 A magnified view of part A in FIG.

[0021] Figure 6 for Figure 4 Enlarged view of part B in .

[0022] In the figure: 1, shell, 2, cover plate, 3, handle, 4, grille, 5, plug-in slot, 6, chassis, 7, first spring, 8, supporting plate, 9, boss, 10, column, 11, fixed card seat, 12, withdrawal part, 13, plug-in rod, 14, groove, 15, slide slot, 16, slide rod, 17, second spring, 18, block, 19, fixed rod, 20, fixed plate, 21, slider, 22, third spring, 23, hinged rod, 24, mounting plate, 25, limit slot, 26, limit rod, 27, first support rod, 28, second support rod, 29, movable plate, 30, splint, 31, rack plate, 32, circular gear, 33, connecting rod, 34, turntable, 35, through slot, 36, mounting seat. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0024] Example:

[0025] Reference Figure 1-Figure 6 , a power amplifier housing that is easy to disassemble and assemble, comprising a housing 1, a cover plate 2 is installed on the top of the housing 1, and is connected by a clamping mechanism that is easy to disassemble and assemble, a mounting plate 24 is provided on the inner side of the housing 1, a buffer mechanism for shock absorption of the mounting plate 24 is installed on the inner bottom of the housing 1, and a fixing mechanism that is easy to disassemble and assemble the power amplifier is provided on the top of the mounting plate 24;

[0026] The fixing mechanism includes two groups of clamping plates 30, a through slot 35 is opened at the top of the mounting plate 24, a group of first support rods 27 is provided on one side of the through slot 35, and two groups of second support rods 28 are provided on the top of the mounting plate 24 on the other side of the through slot 35. The first support rod 27 and the two groups of second support rods 28 are slidably connected with the two groups of movable plates 29, and a clamping plate 30 is installed on one side of the two groups of movable plates 29. A rack plate 31 is correspondingly provided at the bottom of one end of the two groups of movable plates 29, and the two groups of rack plates 31 are meshed with the circular gear 32. A connecting rod 33 passes through the inside of the circular gear 32, and one end of the connecting rod 33 is rotatably connected to the top of the mounting plate 24, and the other end of the connecting rod 33 is connected to a turntable 34.

[0027] Specifically, the shell 1 and cover plate 2 are provided to provide protection for the power amplifier. The clamping mechanism is provided to facilitate the disassembly and assembly between the cover plate 2 and the shell 1. By rotating the turntable 34, the turntable 34 can drive the connecting rod 33 and the circular gear 32 to rotate. The circular gear 32 can drive the two groups of rack plates 31 to move inward through the meshing action with the two groups of rack plates 31. The two groups of rack plates 31 can drive the two groups of movable plates 29 to move inward along the two groups of second support rods 28 and the first support rods 27 respectively. The two groups of movable plates 29 can drive the two groups of clamping plates 30 to move inward, thereby facilitating the clamping, fixing and disassembly of the power amplifier. The buffer mechanism is provided to provide effective buffering protection for the installed power amplifier. Furthermore, the above structure facilitates the disassembly and installation of the power amplifier, effectively improves the work efficiency, and at the same time provides effective buffering protection for the power amplifier circuit board, thereby improving its anti-seismic effect.

[0028] The buffer mechanism includes a third spring 22. Two groups of fixing rods 19 are provided near the bottom of the inner side of the housing 1. A fixing plate 20 is provided at the center of the two groups of fixing rods 19. The outer rings of the two groups of fixing rods 19 are slidably connected with two groups of sliders 21. One side of the two groups of sliders 21 is respectively connected to the two sides of the fixing plate 20 through the third spring 22 sleeved on the outer ring of the fixing rod 19. One side of the two groups of sliders 21 is hinged with a hinged rod 23. The other ends of the two groups of hinged rods 23 are hinged to the bottom of the mounting plate 24. When the power amplifier is impacted, When hit, under the action of impact force and its own gravity, downward pressure can be generated on the mounting plate 24, and the mounting plate 24 can drive one end of the four groups of hinged rods 23 to move downward, and the other ends of the four groups of hinged rods 23 can drive the four groups of sliders 21 to slide inward along the two groups of fixed rods 19 respectively, and at the same time, the four groups of sliders 21 can compress the four groups of third springs 22, so that under the contraction of the four groups of third springs 22, the impact force can be buffered, and then through the setting, effective buffering protection can be provided for the power amplifier circuit board, thereby improving its anti-seismic effect.

[0029] Among them, two groups of limit grooves 25 are opened on the inner walls of both sides of the shell 1, and limit rods 26 are provided on the inner sides of the limit grooves 25. The two ends of the mounting plate 24 respectively pass through the inner sides of the corresponding two groups of limit grooves 25 and are slidably connected with the limit rods 26. Through the set limit grooves 25 and limit rods 26, the up and down movement of the mounting plate 24 can be limited, so that the up and down movement of the mounting plate 24 can be made more stable.

[0030] Among them, the clamping mechanism includes a clamping block 18, and the four corners of the top of the shell 1 are all provided with a plug-in slot 5, and the bottom of the inner side of the plug-in slot 5 is provided with a chassis 6. The top of the chassis 6 is connected to the supporting plate 8 slidably connected to the inner side of the plug-in slot 5 through four groups of first springs 7. The inner side of the supporting plate 8 is provided with a through groove 35, and the inner side of the through groove 35 is located at the top of the chassis 6. A boss 9 is provided, and a column 10 and a fixed card seat 11 installed on the top of the column 10 are provided on the top of the boss 9. The outer ring of the column 10 is slidably connected with an exit part 12 used in conjunction with the fixed card seat 11. The four corners of the bottom of the cover plate 2 are provided with plug-in rods 13 respectively adapted to the four groups of plug-in slots 5. The plug-in rods A groove 14 is provided at the bottom of the cover 2, and two groups of slide grooves 15 are provided on the inner wall of the groove 14 near the bottom. The inner sides of the two groups of slide grooves 15 are slidably connected with slide rods 16. One end of the two groups of slide rods 16 are respectively connected to the inner wall of one side of the two groups of slide grooves 15 through a second spring 17. The other ends of the two groups of slide rods 16 are installed with a block 18 adapted to the fixed card seat 11. When the four groups of plug-in rods 13 at the bottom of the cover 2 are respectively inserted into the four groups of plug-in slots 5, the column 10 and the fixed card seat 11 can pass through the inside of the groove 14. When the cover 2 drives the plug-in rod 13 to move downward, the two groups of blocks 18 are resisted by the fixed card seat 11. The two groups of card blocks 18 can be driven to move outward, and the two groups of card blocks 18 can drive the two groups of slide bars 16 to compress the two groups of second springs 17. When the two groups of card blocks 18 move to the bottom of the fixed card seat 11, the two groups of slide bars 16 and the two groups of card blocks 18 can be driven to move toward the center position under the reaction force of the two groups of second springs 17, so that the two groups of card blocks 18 can penetrate the bottom of the fixed card seat 11, and then under the resistance of the supporting plate 8 and the four groups of first springs 7, the two groups of card blocks 18 can be fixed to the fixed card seat 11, so that the installation and fixation of the cover plate 2 can be completed. When it needs to be disassembled, it can be removed by continuing to move to By pressing the cover 2 downward, the plug-in rod 13 can drive the two groups of blocks 18 to move downward to the bottom of the exit part 12. When the cover 2 and the plug-in rod 13 lose the pressing force, the plug-in rod 13 and the two groups of blocks 18 can be driven to move upward under the action of the reaction force of the supporting plate 8 and the four groups of first springs 7. The two groups of blocks 18 can drive the exit part 12 to move upward. When the top of the exit part 12 conflicts with the bottom of the fixed card seat 11, the two groups of blocks 18 can slide upward along the exit part 12 and detach from the fixed card seat 11, thereby completing the disassembly of the cover 2. Further, through the setting, the convenience of disassembly and assembly between the cover 2 and the shell 1 is effectively improved.

[0031] Among them, a handle 3 is installed on the top of the cover plate 2, and a grille 4 is provided on the top of the cover plate 2 and the bottom of the shell 1. The handle 3 can facilitate the lifting of the cover plate 2, and the grille 4 can facilitate the heat dissipation of the power amplifier. Two groups of mounting seats 36 for convenient installation of the shell 1 are provided on the bottom of both sides of the shell 1. The mounting seats 36 can facilitate the installation and fixation of the shell 1.

[0032] Working principle: First, when the four groups of plug-in rods 13 at the bottom of the cover plate 2 are respectively inserted into the four groups of plug-in slots 5, the column 10 and the fixed card seat 11 can penetrate the inside of the groove 14. When the cover plate 2 drives the plug-in rod 13 to move downward, the two groups of card blocks 18 can drive the two groups of card blocks 18 to move outward under the interference with the fixed card seat 11. The two groups of card blocks 18 can drive the two groups of slide bars 16 to compress the two groups of second springs 17. When the two groups of card blocks 18 move to the bottom of the fixed card seat 11, the two groups of slide bars 16 and the two groups of card blocks 18 can be driven to move to the center position under the action of the reaction force of the two groups of second springs 17, so that the two groups of card blocks 18 can penetrate the bottom of the fixed card seat 11, and then through the supporting plate 8 and the four groups Under the interference of the first spring 7, the two groups of card blocks 18 can be fixed against the fixed card seat 11, so that the installation and fixation of the cover plate 2 can be completed. When it is necessary to disassemble, by continuing to press the cover plate 2 downward, the plug-in rod 13 can drive the two groups of card blocks 18 to move downward to the bottom of the exit portion 12. When the cover plate 2 and the plug-in rod 13 lose the pressing force, under the action of the reaction force of the supporting plate 8 and the four groups of first springs 7, the plug-in rod 13 and the two groups of card blocks 18 can be driven to move upward, and the two groups of card blocks 18 can drive the exit portion 12 to move upward. When the top of the exit portion 12 conflicts with the bottom of the fixed card seat 11, the two groups of card blocks 18 can slide upward along the exit portion 12 and detach from the fixed card seat 11, so that the removal of the cover plate 2 can be completed.

[0033] By rotating the turntable 34, the turntable 34 can drive the connecting rod 33 and the circular gear 32 to rotate, and the circular gear 32 can drive the two sets of rack plates 31 to move inward, and the two sets of rack plates 31 can drive the two sets of movable plates 29 to move inward along the two sets of second support rods 28 and the first support rod 27 respectively, and the two sets of movable plates 29 can drive the two sets of clamping plates 30 to move inward, so as to facilitate the clamping, fixing and disassembly of the power amplifier. When the power amplifier is impacted, under the action of the impact force and its own gravity, a downward pressure can be generated on the mounting plate 24, and the mounting plate 24 can drive one end of the four sets of hinged rods 23 to move downward, and the other end of the four sets of hinged rods 23 can drive the four sets of sliders 21 to slide inward along the two sets of fixed rods 19 respectively, and at the same time, the four sets of sliders 21 can compress the four sets of third springs 22, so that under the contraction of the four sets of third springs 22, the impact force can be buffered, thereby completing the entire operation process.

[0034] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A power amplifier housing that is easy to disassemble and assemble, comprising a housing, characterized in that: A cover plate is installed on the top of the housing and connected via a snap-on mechanism for easy assembly and disassembly; a mounting plate is provided on the inner side of the housing; a buffer mechanism for shock absorption of the mounting plate is installed on the inner bottom of the housing; a fixing mechanism for easy assembly and disassembly of the power amplifier is provided on the top of the mounting plate; The fixing mechanism includes two groups of clamping plates, a through slot is provided on the top of the mounting plate, one side of the through slot is located at the top of the mounting plate and a group of first support rods are provided, the other side of the through slot is located at the top of the mounting plate and two groups of second support rods are provided, the first support rod and the two groups of the second support rods are all slidably connected with the two groups of movable plates, the clamping plates are installed on one side of the two groups of movable plates, the bottom of one end of the two groups of movable plates are correspondingly provided with rack plates, the two groups of rack plates are meshed with circular gears, a connecting rod passes through the interior of the circular gear, one end of the connecting rod is rotatably connected to the top of the mounting plate, and the other end of the connecting rod is connected to a turntable.

2. The power amplifier housing that is easy to disassemble and assemble according to claim 1, characterized in that: The buffer mechanism includes a third spring, two groups of fixing rods are provided on the inner side of the shell near the bottom, and a fixing plate is provided at the center position of the two groups of fixing rods. The outer rings of the two groups of fixing rods are slidably connected with two groups of sliders, and one side of the two groups of sliders is respectively connected to the two sides of the fixing plate through the third spring sleeved on the outer ring of the fixing rod, and one side of the two groups of sliders is hinged with a hinged rod, and the other end of the two groups of hinged rods is hinged to the bottom of the mounting plate.

3. The easily disassembled power amplifier housing according to claim 2, characterized in that: Two sets of limiting grooves are provided on the inner walls on both sides of the shell, and limiting rods are provided inside the limiting grooves. The two ends of the mounting plate respectively penetrate the inner sides of the corresponding two sets of limiting grooves and are slidably connected with the limiting rods.

4. The easily disassembled power amplifier housing according to claim 1, characterized in that: The locking plate is provided with a plurality of springs, each of which is connected to a supporting plate on the inner side of the locking plate, and the supporting plate is connected to the supporting plate by sliding connection with the supporting plate.

5. The easily disassembled power amplifier housing according to claim 4, characterized in that: A handle is installed on the top of the cover plate, and grilles are provided on the top of the cover plate and the bottom of the shell.

6. The easily disassembled power amplifier housing according to claim 5, characterized in that: Two sets of mounting seats are provided at the bottom of both sides of the shell for facilitating the installation of the shell.

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