Fixing device of power amplifier

Abstract

The utility model relates to the technical field of power amplifiers, in particular to a power amplifier fixing device which comprises a placing box, an amplifier body is placed on the inner wall of the bottom end of the placing box, two symmetrical clamping plates are arranged on the left side and the right side of the amplifier body, and telescopic rods are jointly and fixedly connected between the two clamping plates and the placing box. A first spring sleeves each telescopic rod, the upper end of the placement box is in threaded connection with a threaded rod, the upper end of the threaded rod is fixedly connected with a limiting plate, a rolling bearing is embedded in the bottom end of the threaded rod, and a pressing plate is fixedly connected to the inner ring of the rolling bearing. According to the power amplifier fixing device, the fixing process is convenient, the working efficiency is improved, the fixing device can be hung or placed according to requirements, different placement requirements can be met, and the use performance of an amplifier is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power amplifiers, in particular to a fixing device for a power amplifier. Background Art

[0002] A power amplifier is an electronic device used to amplify the power of an input signal to a higher level. Power amplifiers are commonly used in audio, video, and communication systems to increase the power of a signal to drive a speaker, display, or transmit the signal over a longer distance.

[0003] At present, in order to avoid damage caused by placing the power amplifier directly on the ground, it is necessary to fix the power amplifier with a fixing device to increase the service life of the power amplifier. The fixing process of the existing power amplifier fixing device is cumbersome, and the placement method of the fixing device is single, which cannot meet different placement requirements, resulting in a decrease in the performance of the power amplifier.

[0004] Therefore, we propose a fixing device for a power amplifier to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a fixing device for a power amplifier to solve the problems that the existing fixing devices for amplifiers have poor fixing effect, poor stability, cannot meet different placement requirements, and reduce the performance of the amplifier.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fixing device for a power amplifier, comprising a placement box, an amplifier body is placed on the inner wall of the bottom end of the placement box, two symmetrical clamping plates are arranged on the left and right sides of the amplifier body, a telescopic rod is fixedly connected to the placement box between the two clamping plates, a spring is arranged on the outer sleeve of each telescopic rod, a threaded rod is threadedly connected to the upper end of the placement box, a limit plate is fixedly connected to the upper end of the threaded rod, a rolling bearing is embedded in the bottom end of the threaded rod, and a pressure plate is fixedly connected to the inner ring of the rolling bearing;

[0008] The rear end of the placement box is provided with two symmetrical rotating card plates, and the placement box is located below the rotating card plate and is fixedly connected with two symmetrical bearing seats 1, a supporting plate is provided between the two bearing seats 1, and two symmetrical bearing seats 2 are provided on the supporting plate, and a supporting plate is provided between the two bearing seats 2, and a movable groove is provided at one end of the support plate close to the supporting plate, and two symmetrical movable blocks are slidably connected in the movable groove, and a rotating shaft is fixedly connected between the two movable blocks, and the rotating shaft sleeve is provided with a support rod, and the support rod is rotatably connected to the supporting plate at one end away from the rotating shaft.

[0009] Preferably, a mounting groove is provided at the bottom end of the placement box, and a cooling fan is installed in the mounting groove.

[0010] Preferably, anti-slip grooves are evenly distributed on the circumference of the limiting plate.

[0011] Preferably, the rear ends of the two rotating clamping plates are slidably connected with elastic suction cups.

[0012] Preferably, a limiting horizontal bar is provided at one end of the support plate close to the second bearing seat.

[0013] Preferably, a damping shaft 1 is provided between the supporting plate and the two bearing seats 1, a damping shaft 2 is provided between the supporting plate and the two bearing seats 2, and a damping shaft 3 is provided between the two rotating clamping plates and the placement box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The amplifier body is placed in the placement box. The springs on the same side of the two clamps support the clamps to position the amplifier body. The limit plate drives the threaded rod to rotate and the pressure plate is fixed to the amplifier body. The fixing process of the power amplifier fixing device is convenient, without complicated installation operations, and the work efficiency is improved.

[0016] 2. When hanging the placement box, rotate the support plate close to the rear of the placement box, place the support rod in the movable groove, rotate the rotating card plate to clamp the support plate, and when placing the placement box, rotate the two rotating card plates to drive the support plate to the bottom of the placement box, and pull the support plate in the opposite direction of the support plate to support the placement box; the fixing device of the power amplifier can be hung or placed according to needs, which can meet different placement needs and improve the performance of the amplifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front perspective view of a fixing device for a power amplifier proposed by the utility model;

[0018] Figure 2 This is a right side structural diagram of a fixing device for a power amplifier proposed by the utility model;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0020] In the figure: 1 a placement box, 2 a telescopic rod, 3 a clamping plate, 4 a spring 1, 5 an amplifier body, 6 a threaded rod, 7 a pressing plate, 8 a bearing seat 1, 9 a hanging plate, 10 a bearing seat 2, 11 a supporting plate, 12 a movable groove, 13 a movable block, 14 a rotating shaft, 15 a supporting rod, 16 a rotating card plate, 17 an elastic suction cup, and 18 a cooling fan. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figures 1 to 3 , a fixing device for a power amplifier comprises a placement box 1, an amplifier body 5 is placed on the inner wall of the bottom end of the placement box 1, two symmetrical clamping plates 3 are arranged on the left and right sides of the amplifier body 5, the two clamping plates 3 are fixedly connected with a telescopic rod 2 between the placement box 1, and each telescopic rod 2 is provided with a spring 4 on its outer sleeve, a threaded rod 6 is threadedly connected to the upper end of the placement box 1, and a limit plate is fixedly connected to the upper end of the threaded rod 6, and anti-skid grooves are evenly distributed on the circumference of the limit plate. The limit plate is provided with an anti-skid groove to facilitate the rotation of the threaded rod 6 to avoid slipping, a rolling bearing is embedded at the bottom end of the threaded rod 6, and a pressing plate 7 is fixedly connected to the inner ring of the rolling bearing. The rolling bearing is provided to prevent the pressing plate 7 from rotating while the threaded rod 6 rotates when the pressing plate 7 is fitted with the upper end of the placement box 1, thereby affecting the fixing of the amplifier body 5; the amplifier body 5 is placed between the two clamping plates 3, and the supporting force of the two springs 4 supports the clamping plates 3 on the same side to position the amplifier body 5, and the limit plate drives the threaded rod 6 to rotate and the pressing plate 7 is fitted and fixed to the amplifier body 5.

[0023] The rear end of the placement box 1 is provided with two symmetrical rotating card plates 16, a damping shaft three is provided between the two rotating card plates 16 and the placement box 1, and an elastic suction cup 17 is slidably connected to the rear ends of the two rotating card plates 16. The elastic suction cup 17 is provided to enhance the stability of the placement box 1 when the placement box 1 is hung. The placement box 1 is located below the rotating card plate 16 and is fixedly connected with two symmetrical bearing seats 8, a supporting plate 9 is provided between the two bearing seats 8, a damping shaft one is provided between the supporting plate 9 and the two bearing seats 8, two symmetrical bearing seats 2 10 are provided on the supporting plate 9, a supporting plate 11 is provided between the two bearing seats 2 10, a damping shaft two is provided between the supporting plate 11 and the two bearing seats 2 10, a limit bar is provided at one end of the support plate 11 close to the bearing seat 2 10, and a limit bar is provided. The horizontal bar prevents the support plate 11 from being fixed unstably when in use. A movable groove 12 is provided at one end of the support plate 11 close to the supporting plate 9, and two movable blocks 13 symmetrically connected to the movable groove 12 are slidably connected. A rotating shaft 14 is fixedly connected between the two movable blocks 13. The rotating shaft 14 is sleeved with a support rod 15, and the end of the support rod 15 away from the rotating shaft 14 is rotatably connected to the supporting plate 9; when hanging the placement box 1, the supporting plate 9 is rotated to approach the rear of the placement box 1, and the support rod 15 is placed in the movable groove 12, and the rotating card plates 16 are rotated respectively to clamp the supporting plate 9, which can be hung according to needs. When the placement box 1 is placed, the two rotating card plates 16 are rotated to drive the supporting plate 9 to the bottom of the placement box 1, and the support plate 11 is pulled in the opposite direction of the supporting plate 9 to support the placement box 1, which can be placed according to needs.

[0024] A mounting groove is provided at the bottom of the placement box 1, and a cooling fan 18 is installed in the mounting groove. The cooling fan 18 is provided to dissipate heat of the amplifier body 5 to prevent the amplifier body 5 from overheating and affecting performance.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing device for a power amplifier, comprising a placement box (1), characterized in that: An amplifier body (5) is placed on the inner wall of the bottom end of the placement box (1), and two symmetrical clamping plates (3) are arranged on the left and right sides of the amplifier body (5). A telescopic rod (2) is fixedly connected between the two clamping plates (3) and the placement box (1), and a spring (4) is arranged on the outer sleeve of each telescopic rod (2). A threaded rod (6) is threadedly connected to the upper end of the placement box (1), and the upper end of the threaded rod (6) is fixedly connected to a limit plate. A rolling bearing is embedded in the bottom end of the threaded rod (6), and a pressure plate (7) is fixedly connected to the inner ring of the rolling bearing. The rear end of the placement box (1) is provided with two symmetrical rotating clamping plates (16), and the placement box (1) is located below the rotating clamping plate (16) and is fixedly connected with two symmetrical bearing seats (8) on the left and right sides. A support plate (9) is provided between the two bearing seats (8), and two symmetrical bearing seats (10) are provided on the support plate (9). A support plate (11) is provided between the two bearing seats (10). An active groove (12) is provided at one end of the support plate (11) close to the support plate (9), and two symmetrical movable blocks (13) are slidably connected in the movable groove (12). A rotating shaft (14) is fixedly connected between the two movable blocks (13), and a supporting rod (15) is sleeved on the rotating shaft (14). The end of the supporting rod (15) away from the rotating shaft (14) is rotatably connected to the supporting plate (9).

2. A fixing device for a power amplifier according to claim 1, characterized in that: The bottom end of the placement box (1) is provided with a mounting groove, and a cooling fan (18) is installed in the mounting groove.

3. A fixing device for a power amplifier according to claim 1, characterized in that: The circumferential surface of the limiting plate is evenly distributed with anti-slip grooves.

4. A fixing device for a power amplifier according to claim 1, characterized in that: The rear ends of the two rotating clamping plates (16) are slidably connected with elastic suction cups (17).

5. The fixing device for a power amplifier according to claim 1, characterized in that: The support plate (11) is provided with a limiting horizontal bar at one end close to the second bearing seat (10).

6. The fixing device for a power amplifier according to claim 1, characterized in that: A damping shaft 1 is provided between the supporting plate (9) and the two bearing seats 1 (8), a damping shaft 2 is provided between the supporting plate (11) and the two bearing seats 2 (10), and a damping shaft 3 is provided between the two rotating clamping plates (16) and the placement box (1).

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