Air duct noise reduction device of heating ventilation air conditioner

Abstract

The utility model relates to the technical field of heating ventilation air conditioners, and discloses an air pipe noise reduction device of a heating ventilation air conditioner, which comprises a pipe body and a mounting plate, dampers are fixedly mounted at four corners of the upper surface of the mounting plate, and a support plate is mounted among the top ends of the four dampers. An empty groove is formed in the surface of the mounting plate, a sliding rod is fixedly connected between the two side walls of the interior of the empty groove, the surface of the sliding rod is slidably sleeved with two sliding sleeves, connecting rods are movably connected between the two sliding sleeves and the lower surface of the supporting plate, and the two ends of the sliding rod are fixedly sleeved with damping pads. Springs are arranged between the two sliding sleeves and the two damping pads respectively. When the device is used, vibration energy, caused by airflow pulsation, equipment vibration and the like, of the air pipe can be effectively absorbed and buffered, transmission of vibration noise is reduced, and meanwhile the pipe body can be conveniently supported and installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating ventilation air conditioner, concretely is the air pipe noise reduction device of heating ventilation air conditioner. BACKGROUND

[0002] Heating ventilation air conditioner is the air conditioner with heating, ventilation and air conditioning function. Since the main function of heating ventilation air conditioner includes three aspects of heating, ventilation and air conditioning, the comprehensive abbreviation of the three functions is heating ventilation air conditioner.

[0003] Search the announcement number for CN 219868461 U one kind of heating ventilation air conditioner's air pipe noise reduction device, relate to air conditioner air pipe field. The air pipe noise reduction device of heating ventilation air conditioner, the bottom side of the heating ventilation air conditioner body is provided with the shell, the shell is fixedly connected with two sealing plates and multiple sound-absorbing cotton, the shell one side is provided with semicircle shell, the semicircle shell inside is fixedly connected with multiple semicircle sound-absorbing cotton. The air pipe noise reduction device of heating ventilation air conditioner, and the shell and semicircle shell inside staggered distribution have multiple semicircle sound-absorbing cotton and sound-absorbing cotton, the air pipe of bending and multiple semicircle sound-absorbing cotton, multiple sound-absorbing cotton cooperate with the airflow of heating ventilation air conditioner body output and change speed, avoid the airflow of high-speed flow in the air pipe and the phenomenon of wind whistle, avoid the noise through the air pipe and enter the room, the application of heating ventilation air conditioner body carries out noise reduction, guarantees the user experience in the use process of heating ventilation air conditioner body.

[0004] But the above -mentioned device still has some deficiencies in the process of using, in response to complex vibration situation, the damping effect is limited, cannot overall buffer the vibration energy that wind pipe causes due to airflow pulsation, equipment vibration etc.;And, its installation mode is not flexible enough, it is difficult to install conveniently according to different length, specification wind pipe, there is certain limitation in actual application scene UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides the air pipe noise reduction device of heating ventilation air conditioner, solves the problem that in response to complex vibration situation, the damping effect is limited, cannot overall buffer the vibration energy that wind pipe causes due to airflow pulsation, equipment vibration etc.;And, its installation mode is not flexible enough, it is difficult to install conveniently according to different length, specification wind pipe, there is certain limitation in actual application scene.

[0006] The utility model provides following technical scheme: warm air -conditioning's air pipe noise reduction device, including pipe body, mounting panel, the upper surface four corners of mounting panel all fixedly installed damper, the top between four damper fixedly installed with support plate, the surface of mounting panel is provided with empty slot, the inside both sides wall of empty slot is fixedly connected with slide rod, the surface of slide rod is sleeved with two slide sleeves, two slide sleeves with the lower surface of support plate all movably connect with connecting rod, the both ends of slide rod all are fixedly sleeved with damping pad, two slide sleeves with two damping pad between respectively are provided with spring,

[0007] The pipe body is installed on the support plate, and two clamping assemblies are arranged on the upper surface of the support plate.

[0008] Preferably, the clamping assembly comprises a fixed plate fixedly connected to the upper surface of the support plate, a threaded hole is formed in the surface of the fixed plate, a screw rod is threadedly sleeved in the threaded hole, and a clamping plate is rotatably installed at one end of the screw rod.

[0009] Preferably, a limiting hole is formed in the surface of each of the two fixed plates, a limiting rod is slidably sleeved in each of the two limiting holes, and the two limiting rods are fixedly connected between the two clamping plates, respectively. Rubber pads are arranged on opposite sides of the two clamping plates.

[0010] Preferably, the surface of the pipe body is wrapped with sound-absorbing cotton, the sound-absorbing cotton is wrapped with thermal insulation cotton on the outside, a flow uniformizing plate is fixedly installed between the inner walls of the pipe body, and a plurality of air holes are formed in the surface of the flow uniformizing plate.

[0011] Preferably, a set of support rods is fixedly connected to the two ends of the mounting plate, a top plate is fixedly connected to the top end of each set of support rods, and a plurality of mounting holes are formed in the surface of each top plate.

[0012] Preferably, the number of the mounting plate and the components arranged on the mounting plate can be increased or decreased according to the length of the pipe body.

[0013] Compared with the prior art, the warm air pipe noise reduction device of the air conditioner has the following beneficial effects: when the pipe body is installed, appropriate installation plates and support plates and other components are installed according to the length of the pipe body, a plurality of top plates are installed at specified positions through installation holes, then the pipe body is placed on the support plate, and then the clamping plate is moved by rotating the screw rod, so that the pipe body is clamped and fixed through the clamping plate, thereby installing and fixing the pipe body. In the process of use, the airflow in the pipe body produces vibration, and the vibration generated by the pipe body is damped and buffered through the action of the damper, the connecting rod, the sliding sleeve and the spring and the damping pad, thereby reducing the generation of noise. The device can effectively absorb and buffer the vibration energy caused by airflow pulsation and equipment vibration of the air pipe during use, reduce the propagation of vibration noise, and facilitate the support and installation of the pipe body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of the utility model;

[0016] Figure 3 It is an installation plate and support plate structure explosion diagram of the utility model;

[0017] Figure 4 It is a clamping assembly structure explosion diagram of the utility model.

[0018] In the drawing: 1, pipe body; 2, installation plate; 3, damper; 4, support plate; 5, air slot; 6, sliding rod; 7, sliding sleeve; 8, connecting rod; 9, damping pad; 10, spring; 11, fixed plate; 12, threaded hole; 13, screw rod; 14, clamping plate; 15, limiting hole; 16, limiting rod; 17, flow equalizing plate; 18, support rod; 19, top plate. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 ,

[0020] Embodiment one: the warm air pipe noise reduction device of the air conditioner, including pipe body 1, installation plate 2, the upper surface of installation plate 2 four corners are fixedly installed with damper 3, four dampers 3 top between installation support plate 4, installation plate 2 surface is provided with air slot 5, air slot 5 inside two side walls are fixedly connected with sliding rod 6, the surface of sliding rod 6 is slidably connected with two sliding sleeves 7, two sliding sleeves 7 and the lower surface of support plate 4 are movably connected with connecting rod 8, the both ends of sliding rod 6 are fixedly provided with damping pad 9, two sliding sleeves 7 and two damping pads 9 are respectively provided with spring 10;

[0021] The pipe body 1 is installed on the support plate 4, and the upper surface of the support plate 4 is provided with two clamping assemblies.

[0022] Embodiment two: the difference between this embodiment and embodiment one is that, wherein the clamping assembly comprises a fixed plate 11 fixedly connected to the upper surface of the support plate 4, the surface of the fixed plate 11 is provided with a threaded hole 12, the threaded hole 12 is internally threaded and sleeved with a screw rod 13, one end of the screw rod 13 is rotatably installed with a clamping plate 14, by rotating the screw rod 13 can drive the clamping plate 14 to clamp and fix the pipe body 1.

[0023] Embodiment three: the difference between this embodiment and embodiment one is that, wherein the surface of the two fixed plates 11 is provided with a limiting hole 15, the inside of the two limiting holes 15 is slidably sleeved with a limiting rod 16, the two limiting rods 16 are fixedly connected between the two clamping plates 14 respectively, the opposite sides of the two clamping plates 14 are provided with rubber pads, the movement of the clamping plate 14 can be limited by the limiting rod 16.

[0024] Embodiment four: the difference between this embodiment and embodiment one is that, wherein the surface of the pipe body 1 is wrapped with sound-absorbing cotton, the outside of the sound-absorbing cotton is wrapped with thermal insulation cotton, the inner wall of the pipe body 1 is fixedly installed with a flow equalizing plate 17, a plurality of air holes are formed in the surface of the flow equalizing plate 17, so that the noise reduction effect of the air pipe is better, the flow equalizing plate 17 can make the incoming airflow more uniform, avoiding local high-speed flow and noise caused by concentrated airflow.

[0025] Embodiment five: the difference between this embodiment and embodiment one is that, wherein the two ends of the mounting plate 2 are fixedly connected with a group of support rods 18, the top end of each group of support rods 18 is fixedly connected with a top plate 19, a plurality of mounting holes are formed in the surface of each top plate 19, which facilitates the installation of the mounting plate 2 at a suitable location.

[0026] Embodiment six: the difference between this embodiment and embodiment one is that, wherein the number of mounting plates 2 and components arranged on the mounting plate 2 can be increased or decreased according to the length of the pipe body 1, which facilitates the installation of air pipes of different lengths.

[0027] In summary, the air pipe noise reduction device of the heating and air conditioning, when installing the pipe body 1, according to the length of the pipe body 1, install appropriate amount of mounting plate 2 and support plate 4 and other components, install a plurality of top plates 19 at the specified position through the mounting hole, then place the pipe body 1 on the support plate 4, then rotate the screw rod 13 to drive the clamping plate 14 to move, clamp and fix the pipe body 1 through the clamping plate 14, so as to install and fix the pipe body 1, in the process of use, the airflow in the pipe body 1 produces vibration, through the action of the damper 3, the connecting rod 8, the sliding sleeve 7, the spring 10 and the damping pad 9, the vibration of the pipe body 1 is damped and buffered, so as to reduce the noise, the device can effectively absorb and buffer the vibration energy caused by airflow pulsation and equipment vibration of the air pipe in use, reduce the propagation of vibration noise, at the same time, it is convenient to support and install the pipe body 1.

Claims

1. A duct noise reduction device for heating, ventilation and air conditioning, comprising a duct body (1), a mounting plate (2), characterized in that: The upper surface of the mounting plate (2) is fixedly provided with dampers (3) at four corners, the top ends of the four dampers (3) are provided with a supporting plate (4), the surface of the mounting plate (2) is provided with an air slot (5), the inside of the air slot (5) is fixedly connected with slide rods (6) between the two side walls, the surface of the slide rods (6) is slidably sleeved with two sliding sleeves (7), the lower surface of the supporting plate (4) is movably connected with connecting rods (8) between the two sliding sleeves (7), the two ends of the slide rods (6) are fixedly sleeved with damping pads (9), the two sliding sleeves (7) and the two damping pads (9) are respectively provided with springs (10). The pipe body (1) is installed on the supporting plate (4), and the upper surface of the supporting plate (4) is provided with two clamping assemblies.

2. The HVAC duct noise reduction device of claim 1, wherein: The clamping assembly comprises a fixed plate (11) fixedly connected to the upper surface of the supporting plate (4), a threaded hole (12) is formed in the surface of the fixed plate (11), a screw rod (13) is threadedly sleeved in the threaded hole (12), and a clamping plate (14) is rotatably installed at one end of the screw rod (13).

3. The HVAC duct noise reduction device of claim 2, wherein: Limiting holes (15) are formed in the surfaces of the two fixed plates (11), limiting rods (16) are slidably sleeved in the limiting holes (15), the two limiting rods (16) are fixedly connected between the two clamping plates (14), and rubber pads are arranged on the opposite sides of the two clamping plates (14).

4. The HVAC duct noise reduction device of claim 3, wherein: The surface of the pipe body (1) is wrapped with sound-absorbing cotton, the outside of the sound-absorbing cotton is wrapped with heat-insulating cotton, flow uniformizing plates (17) are fixedly installed between the inner walls of the pipe body (1), and a plurality of air holes are formed in the surface of the flow uniformizing plate (17).

5. The HVAC duct noise reduction device of claim 4, wherein: The two ends of the mounting plate (2) are fixedly connected with a group of supporting rods (18), the top ends of each group of supporting rods (18) are fixedly connected with top plates (19), and a plurality of mounting holes are formed in the surface of each top plate (19).

6. The HVAC duct noise reduction device of claim 5, wherein: The number of the mounting plate (2) and the components arranged on the mounting plate (2) can be increased or decreased according to the length of the pipe body (1).

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