CN215765581U

CN215765581U - Indoor ventilation structure of making an uproar that falls of road traffic noise

Info

Publication number: CN215765581U
Application number: CN202121903060.6U
Authority: CN
Inventors: 刘娅琼
Original assignee: Chongqing Boa Building Planning And Design Co ltd
Current assignee: Chongqing Boa Building Planning And Design Co ltd
Priority date: 2021-08-15
Filing date: 2021-08-15
Publication date: 2022-02-08
Anticipated expiration: 2031-08-15

Abstract

The utility model discloses a road traffic noise indoor noise reduction ventilation structure which comprises a rectangular ventilation pipeline, wherein a fan is fixedly installed in the ventilation pipeline, a sound insulation plate is arranged at an air inlet of the ventilation pipeline, an installation frame is fixedly connected to the rear end of the sound insulation plate, two welding blocks are fixedly welded on the four outer surfaces of the ventilation pipeline and on the inner side of the installation frame, rectangular noise reduction rings are fixedly connected to the peripheral outer walls of the ventilation pipeline and at the right side positions of the welding blocks, the outer ends of the noise reduction rings are attached to the peripheral inner walls of the installation frame, connecting grooves are formed in the welding blocks, fixed blocks are fixedly connected to the outer surfaces of the installation frame and at the corresponding positions of the welding blocks, and square holes are formed between the fixed blocks and the installation frame. The utility model has good noise reduction effect under the condition of ensuring indoor ventilation, and is convenient for overhauling and cleaning the ventilation pipeline.

Description

Indoor ventilation structure of making an uproar that falls of road traffic noise

Technical Field

The utility model relates to the technical field of ventilation structures, in particular to an indoor noise reduction ventilation structure for road traffic noise.

Background

The ventilation structure is an indispensable facility in building houses, directly influences the indoor air environment and air flow, and because the vent is arranged outside the wall, some building houses built beside roads are easily influenced by vehicle noise, and if the vent is closed, the indoor air circulation cannot be ensured.

Therefore, we propose an indoor noise reduction ventilation structure for road traffic noise to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a noise-reducing and ventilating structure for road traffic noise in a room.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an indoor noise reduction and ventilation structure for road traffic noise comprises a rectangular ventilation pipeline, wherein a fan is fixedly installed in the ventilation pipeline, a sound insulation plate is arranged at the air inlet of the ventilation pipeline, a mounting frame is fixedly connected to the rear end of the sound insulation plate, two welding blocks are fixedly welded on the four outer surfaces of the ventilation pipeline and on the inner side of the mounting frame, rectangular noise reduction rings are fixedly connected to the peripheral outer walls of the ventilation pipeline and at the right side positions of the welding blocks, the outer ends of the noise reduction rings are attached to the peripheral inner walls of the mounting frame, connecting grooves are formed in the welding blocks, fixing blocks are fixedly connected to the outer surfaces of the mounting frame and at the corresponding positions of the welding blocks, square holes are formed between the fixing blocks and the mounting frame, inserting rods with square cross sections are inserted in the square holes in a sliding mode, and movable cavities are formed in the inner walls of the square holes in the mounting frame, the limiting plate is connected in the movable cavity in a sliding mode, the limiting plate is fixedly sleeved on the inserted rod, and a spring is fixedly connected between the limiting plate and the inner bottom wall of the movable cavity.

Preferably, the end of the baffle plate remote from the ventilation duct is provided with a plurality of grooves.

Preferably, the front end of the ventilation pipeline is fixedly connected with a filter frame, and the filter frame is in sealing fit with the sound insulation board.

Preferably, the inserted bar upper end torsion rotates and is connected with the dwang, the dwang is located two stopper that the symmetry set up of fixedly connected with on the outer peripheral face outside the quad slit, set up annular spacing groove on the quad slit inner wall, two perpendicular grooves that communicate with the spacing groove are evenly seted up to the drill way department of quad slit.

Preferably, the upper end of the ventilation pipeline is provided with a drainage channel at a position close to the mounting frame.

Preferably, two vertical grooves on the same fixed block are perpendicular to the two corresponding limiting blocks.

Preferably, the motor outside of fan is enclosed and is had the sound proof frame, common fixedly connected with dead lever between sound proof frame and the air pipe inner wall.

Preferably, the air outlet of the ventilation duct is provided with an air deflector.

Compared with the prior art, the device has the advantages that:

1. through setting up acoustic celotex board and installing frame, the acoustic celotex board passes through the installing frame and the welding piece is fixed in air pipe air intake department, and air pipe is got into in the space between external air accessible installing frame and the air pipe, and a large amount of noises in the external world can be effectively blockked by the acoustic celotex board, and a small amount of noises that get into the space can be fallen the noise ring of making an uproar and effectively fall, and the indoor ventilation of both having guaranteed also plays the good effect of making an uproar.

2. When needs overhaul and clean air pipe, only need rotate ninety degrees of each dwang in proper order, can make the inserted bar break away from the spread groove under the effect of spring force, alright take off acoustic celotex board and installing frame, overhaul and clean air pipe, the mode is simple, the effectual cleaning work of being convenient for.

In conclusion, the utility model has good noise reduction effect under the condition of ensuring indoor ventilation, and is convenient for overhauling and cleaning the ventilation pipeline.

Drawings

FIG. 1 is a perspective view of the noise-reducing indoor ventilation structure for road traffic noise according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a perspective view of the partition board in the noise reduction and ventilation structure for road traffic noise indoor according to the present invention;

fig. 4 is a perspective view of a fixed block in the noise-reducing indoor ventilation structure for road traffic noise according to the present invention.

In the figure: 1 air pipe, 2 fans, 3 acoustic celotex boards, 4 filter frames, 5 installing frames, 6 welding blocks, 7 connecting grooves, 8 fixing blocks, 9 square holes, 10 inserted bars, 11 movable cavities, 12 limiting plates, 13 springs, 14 rotating bars, 15 limiting blocks, 16 limiting grooves, 17 vertical grooves, 18 acoustic frame, 19 fixing bars, 20 air deflectors, 21 noise reduction rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an indoor noise reduction ventilation structure for road traffic noise comprises a rectangular ventilation pipeline 1, wherein a fan 2 is fixedly installed in the ventilation pipeline 1, the fan 2 plays a role in ensuring the ventilation volume of the ventilation pipeline 1, a sound insulation plate 3 is arranged at an air inlet of the ventilation pipeline 1, one end, away from the ventilation pipeline 1, of the sound insulation plate 3 is provided with a plurality of grooves, and noise of an external road can be blocked by the sound insulation plate 3 to play a good sound insulation role. The rear end of the sound insulation board 3 is fixedly connected with a mounting frame 5, two welding blocks 6 are fixedly welded on four outer surfaces of the ventilating duct 1 and on the inner side of the mounting frame 5, rectangular noise reduction rings 21 are fixedly connected on the peripheral outer walls of the ventilating duct 1 and at the right side positions of the welding blocks 6, the outer ends of the noise reduction rings 21 are attached to the peripheral inner walls of the mounting frame 5, the noise reduction rings 21 have noise reduction effects and can effectively reduce noise and further reduce noise when a small amount of noise enters a gap between the mounting frame 5 and the ventilating duct 1 through air, connecting grooves 7 are formed in the welding blocks 6, fixing blocks 8 are fixedly connected on the outer surfaces of the mounting frame 5 and at the corresponding positions of the welding blocks 6, square holes 9 are formed between the fixing blocks 8 and the mounting frame 5, inserting rods 10 with square cross sections are slidably inserted in the square holes 9, the inserting rods 10 can only move up and down and can not rotate, the activity chamber 11 has been seted up on the quad slit 9 inner wall that is located installing frame 5, and sliding connection has limiting plate 12 in the activity chamber 11, and limiting plate 12 is fixed to be cup jointed on inserted bar 10, common fixedly connected with spring 13 between limiting plate 12 and the 11 bottom walls in activity chamber, and when inserted bar 10 inserted in spread groove 7, limiting plate 12 compressible spring 13.

The torsion of inserted bar 10 upper end is rotated and is connected with dwang 14, the torsion is rotated and is connected promptly and rotate the connection through torsion spring, dwang 14 has the effect that resets, dwang 14 is located stopper 15 that two symmetries of fixedly connected with set up on the outer peripheral face outside quad slit 9, annular spacing groove 16 has been seted up on the quad slit 9 inner wall, square slit 9's drill way department evenly sets up two perpendicular grooves 17 that communicate with spacing groove 16, be located two perpendicular grooves 17 on same fixed block 8 and two stopper 15 positions mutually perpendicular that correspond, stopper 15 accessible rotates dwang 14 and presses down dwang 14 back, can get into the spacing groove 16 in, then dwang 14 rotates and resets, stopper 15 card is gone into the spacing groove 16 in, then the position of fixed inserted bar 10, then accomplish the installation to acoustic celotex 3.

The water drainage tank is arranged at the upper end of the ventilation pipeline 1 and at the position close to the mounting frame 5, so that rainwater can be effectively prevented from entering the ventilation pipeline 1 when raining.

Ventilating duct 1 front end fixedly connected with filter frame 4, sealed laminating between filter frame 4 and the acoustic celotex board 3, in external air gets into ventilating duct 1 through the space between installing frame 5 and the ventilating duct 1, the usable filter frame 4 of flow in-process filters external dust debris.

The outer side of the motor of the fan 2 is surrounded by a sound insulation frame 18, and a fixing rod 19 is fixedly connected between the sound insulation frame 18 and the inner wall of the ventilation pipeline 1 together, so that the noise generated during the working of the fan 2 can be effectively reduced.

The air outlet of the ventilation duct 1 is provided with an air deflector 20, which plays a role in adjusting the indoor wind direction.

This structural mounting is on the wall body of building, and air pipe 1's air intake is located outdoors, the air outlet is located indoors, and acoustic celotex board 3 is fixed with air pipe 1 through installing frame 5 and welded block 6, and fixed mode is: rotate corresponding dwang 14 ninety degrees, make top stopper 15 position correspond with perpendicular groove 17, then press down dwang 14 downwards, make in inserted bar 10 inserts corresponding spread groove 7, stopper 15 gets into spacing groove 16 simultaneously to reset under torsion spring's effect, the card is established in spacing groove 16.

When the work of inside fan 2, produce the negative pressure environment in the air pipe 1, the outside air passes through the space between installing frame 5 and the air pipe 1 and gets into in the air pipe 1, and then pass aviation baffle 20 and blow in the room, guarantee the circulation of air in the room, and under the setting of acoustic celotex board 3, the outside a large amount of noises are blockked by acoustic celotex board 3, a small amount of noises can be fallen the noise ring 21 of making an uproar and effectively fall, the indoor ventilation of both guaranteeing also plays the good effect of making an uproar of falling.

When needs overhaul and clean ventilation pipe 1, only need rotate 14 ninety degrees at the time, can make inserted bar 10 break away from spread groove 7 under the effect of spring 13 elasticity, alright take off acoustic celotex board 3 and installing frame 5, overhaul ventilation pipe 1 and clean, the mode is simple, the effectual cleaning work of being convenient for.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an indoor ventilation structure of making an uproar that falls of road traffic noise, includes the air pipe (1) of rectangle, its characterized in that, fixed mounting has fan (2) in air pipe (1), air pipe (1) air intake is equipped with acoustic celotex board (3), acoustic celotex board (3) rear end fixedly connected with installing frame (5), on four surfaces of air pipe (1) and all fixedly welded at the inboard of installing frame (5) have two welding blocks (6), on the outer wall all around of air pipe (1) and on the right side position fixedly connected with rectangle of each welding block (6) fall the ring (21) of making an uproar, the outer end of falling the ring (21) and the laminating of installing frame (5) inner wall all around, each have all seted up spread groove (7) on welding block (6), all fixedly connected with fixed block (8) on the corresponding position of each welding block (6) on installing frame (5) surface, square hole (9) have been seted up jointly between fixed block (8) and installing frame (5), it is square inserted bar (10) to slide to insert in square hole (9) and is equipped with the cross-section, is located installing frame (5) movable chamber (11) have been seted up on square hole (9) inner wall, sliding connection has limiting plate (12) in activity chamber (11), limiting plate (12) fixed cup joints on inserted bar (10), common fixedly connected with spring (13) between limiting plate (12) and movable chamber (11) inner diapire.

2. A noise-reducing indoor ventilation structure for road traffic noise according to claim 1, characterized in that the end of the sound-insulating board (3) far from the ventilation duct (1) is provided with a plurality of grooves.

3. The indoor noise reduction and ventilation structure for the road traffic noise according to claim 1, wherein the front end of the ventilation duct (1) is fixedly connected with a filter frame (4), and the filter frame (4) is in sealing fit with the sound insulation board (3).

4. The indoor noise reduction and ventilation structure for the road traffic noise according to claim 1, wherein a rotating rod (14) is rotatably connected to the upper end of the inserting rod (10) in a torsion manner, two symmetrically arranged limiting blocks (15) are fixedly connected to the outer circumferential surface of the rotating rod (14) outside the square hole (9), an annular limiting groove (16) is formed in the inner wall of the square hole (9), and two vertical grooves (17) communicated with the limiting groove (16) are uniformly formed at the opening of the square hole (9).

5. The indoor noise reduction and ventilation structure for the road traffic noise according to the claim 1 is characterized in that the upper end of the ventilation pipeline (1) is provided with a drainage groove at the position close to the mounting frame (5).

6. A road traffic noise indoor noise reduction and ventilation structure, according to claim 4, characterized in that two vertical slots (17) on the same fixing block (8) and two corresponding limiting blocks (15) are perpendicular to each other.

7. The indoor noise reduction and ventilation structure for the road traffic noise according to the claim 1 is characterized in that the outside of the motor of the fan (2) is surrounded by a sound insulation frame (18), and a fixing rod (19) is fixedly connected between the sound insulation frame (18) and the inner wall of the ventilation pipeline (1).

8. The indoor noise reduction and ventilation structure for the road traffic noise according to the claim 1 is characterized in that the air outlet of the ventilation duct (1) is provided with an air deflector (20).