CN220187090U - Silencing device for ventilation air conditioner convenient to installation - Google Patents
Silencing device for ventilation air conditioner convenient to installation Download PDFInfo
- Publication number
- CN220187090U CN220187090U CN202320601090.4U CN202320601090U CN220187090U CN 220187090 U CN220187090 U CN 220187090U CN 202320601090 U CN202320601090 U CN 202320601090U CN 220187090 U CN220187090 U CN 220187090U
- Authority
- CN
- China
- Prior art keywords
- baffle
- pipe
- air conditioner
- silencing
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 230000030279 gene silencing Effects 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001743 silencing effect Effects 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 description 3
- 230000003584 silencer Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides a silencing device for ventilation air conditioner convenient to installation, includes the air pipe, slidable mounting sound insulation pipe in the air pipe, slidable mounting sound absorption pipe in the sound insulation pipe, its characterized in that: the flange of the ventilating duct is connected with the baffle through bolt fastening, the baffle is provided with a groove, the plurality of silencing shutters are rotatably arranged in the groove through the rotating shaft, the baffle is provided with a plurality of communicating grooves and a through hole outside the baffle, the left side of the baffle is provided with a plurality of communicating grooves and a through groove inside the ventilating duct, the rotating shaft at the rear side of the silencing shutters extends backwards to penetrate through the through hole, the rear end of the rotating shaft at the rear side is fixedly provided with a gear respectively, and one side of the gear is engaged and matched with the same rack. The utility model has simple structure, ingenious conception and better silencing effect, can adjust the angle of the silencing louver to achieve the maximum silencing effect according to different noise conditions, increases the application range of the device, meets market demands and is suitable for popularization.
Description
Technical Field
The utility model belongs to the field of silencing devices, and particularly relates to a silencing device for a ventilation air conditioner, which is convenient to install.
Background
The ventilation air conditioner has the main functions of providing oxygen required by human breath, diluting indoor pollutants or smell, removing pollutants generated in an indoor process, removing indoor waste heat or residual humidity and providing air required by indoor combustion, and is mainly used in buildings such as families, businesses, hotels and schools. Because of ventilation air conditioner air supply gets into indoor, the wind speed is too fast, can produce great vibrations sound with the pipe wall, influences people's work, rest, consequently can install noise eliminator in ventilation air conditioner pipeline to noise reduction, chinese patent office 2022.07.26 authorizes the notice, authorizes the patent of notice number CN 217057927U: the utility model discloses a silencing device for a ventilation air conditioner, which is convenient to install, and the device adopts sound absorbing cotton, a sound insulation layer and the like to carry out silencing, but the silencing capability of the device is limited, and the silencing device cannot be adjusted according to different noise conditions to achieve the optimal silencing effect, so the utility model designs the silencing device for the ventilation air conditioner, which is convenient to install.
Disclosure of Invention
The utility model provides a silencing device for a ventilation air conditioner, which is convenient to install and is used for solving the defects in the prior art.
The utility model is realized by the following technical scheme:
the utility model provides a silencing device for ventilation air conditioner convenient to installation, includes the air pipe, slidable mounting sound insulation pipe in the air pipe, slidable mounting sound absorption pipe in the sound insulation pipe, its characterized in that: the flange of the ventilating duct is fixedly connected with the baffle through bolts, the baffle is provided with the grooves, the plurality of silencing shutters are rotatably arranged in the grooves through the rotating shaft, the baffle is provided with the plurality of communicating grooves and the through holes outside the baffle, the left side of the baffle is provided with the plurality of communicating grooves and the through holes inside the ventilating duct, the rotating shaft at the rear side of the silencing shutters extends backwards to penetrate through the through holes, the rear end of the rotating shaft at the rear side is fixedly provided with the gears respectively, one side of the gears is engaged and matched with the same rack, the upper end of the rack is slidably arranged on the baffle through the sliding sleeve, the lower end of the rack is rotatably provided with the screw rod through the bearing, the periphery screw of the screw rod is matched with the screw rod, and the screw rod is fixedly arranged on the baffle through the connecting rod.
According to the silencer for the ventilation air conditioner, which is convenient to install, the vacuum cavity is arranged in the sound insulation pipe.
According to the silencer for the ventilation air conditioner, which is convenient to install, the annular groove is formed in the inner wall of the sound absorption pipe, the sound absorption net plate is movably installed in the annular groove, the sound absorption net plate is fixedly provided with the plurality of speed reduction plates through the support rods, and the plurality of speed reduction plates are distributed in a staggered mode.
The sound absorbing screen plate has certain elasticity.
According to the silencing device for the ventilation air conditioner, which is convenient to install, the clamping groove is formed in the inner wall of the groove, and the filter screen is movably installed in the clamping groove.
According to the silencing device for the ventilation air conditioner, which is convenient to install, the hand wheel is fixedly arranged at the lower end of the screw rod.
According to the silencer for the ventilation air conditioner, which is convenient to install, the baffle ring is fixedly installed in the ventilation pipeline, and the baffle ring can block the sound insulation pipe and the sound absorption pipe.
The utility model has the advantages that: the utility model has simple structure, ingenious conception and better silencing effect, can adjust the angle of the silencing louver according to different noise conditions to achieve the optimal silencing effect, increases the application range of the device, meets market demands and is suitable for popularization. When the noise-reducing fan is used, the sound-insulating pipe is firstly placed in the ventilating duct, then the sound-absorbing pipe is placed in the sound-insulating pipe, the baffle plate is fixedly connected with the flange of the ventilating duct through the bolts, then the screw rod is rotated, the screw rod drives the rack to move upwards or downwards to drive the gear on the rotating shaft to rotate, so that the noise-reducing louver is driven to rotate, the angle adjustment of the noise-reducing louver is realized, different noise conditions are adapted, when the generated noise passes through the sound-absorbing pipe, the sound-absorbing pipe absorbs part of the noise, the noise can be reduced by the sound-insulating pipe, the noise can be transmitted from the ventilating duct, and the generated noise can be further reduced by the noise-reducing louver.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is a view in the B direction of FIG. 2; fig. 4 is a view in the direction C of fig. 1.
Reference numerals: 1. the sound-absorbing screen plate comprises a ventilating duct, 2, a sound-insulating pipe, 3, a sound-absorbing pipe, 4, a baffle, 5, a groove, 6, a rotating shaft, 7, a sound-absorbing shutter, 8, a through hole, 9, a through groove, 10, a gear, 11, a rack, 12, a sliding sleeve, 13, a screw rod, 14, a nut, 20, a vacuum cavity, 30, an annular groove, 31, a sound-absorbing screen plate, 32, a supporting rod, 33, a speed-reducing plate, 50, a clamping groove, 51, a filter screen, 60, a hand wheel, 70 and a baffle ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1, 2, 3, 4 show, including ventilation duct 1, ventilation duct 1 sliding mounting sound insulation pipe 2, the periphery of sound insulation pipe 2 and ventilation duct 1's interior week sliding contact cooperation, sound absorption pipe 3 of sliding mounting in sound insulation pipe 2, sound absorption pipe 3's periphery and sound insulation pipe 2's interior week sliding contact cooperation, its characterized in that: the flange of the ventilating duct 1 is connected with the baffle 4 through bolt fastening, the baffle 4 is provided with the groove 5, the baffle 4 is internally provided with the plurality of silencing shutters 7 through the rotation of the rotating shaft 6, the baffle 4 is provided with the plurality of communicating grooves 5 and the through holes 8 outside the baffle 4, the left side of the baffle 4 is provided with the plurality of communicating grooves 5 and the through grooves 9 inside the ventilating duct 1, the rotating shaft 6 at the rear side of the silencing shutters 7 extends backwards to pass through the through holes 8, the rotating shaft 6 at the rear side is rotatably arranged in the through holes 8 through bearings, the rotating shaft 6 at the front side is rotatably arranged on the inner wall of the groove 5 through bearings, the rear ends of the rotating shafts 6 at the rear side are respectively fixedly provided with the gears 10, one side of the gears 10 are in meshed fit with one rack 11, the upper ends of the racks 11 are slidably arranged on the baffle 4 through the sliding sleeves 12, the lower ends of the racks 11 are rotatably provided with the lead screws 13 through bearings, the periphery screws of the lead screws 13 are matched with the nuts 14, and the nuts 14 are fixedly arranged on the baffle 4 through connecting rods. The utility model has simple structure, ingenious conception and better silencing effect, can adjust the angle of the silencing louver according to different noise conditions to achieve the optimal silencing effect, increases the application range of the device, meets market demands and is suitable for popularization. When using the utility model, firstly put into ventilation duct 1 inside with sound-proof tube 2, will inhale sound pipe 3 again and put into sound-proof tube 2, install and use the flange fastening connection of bolt with baffle 4 and ventilation duct 1, then rotate lead screw 13, lead screw 13 drives rack 11 and upwards or downwardly move, drive epaxial gear 10 of pivot 6 and rotate, thereby drive amortization tripe 7 and rotate, realize amortization tripe 7's angle modulation, in order to adapt to different noise conditions, when the noise of production is through inhaling sound pipe 3, inhale sound pipe 3 with the noise absorption of portion, sound-proof tube 2 can reduce noise and pass out from ventilation duct 1 in, amortization tripe 7 can further reduce the noise of production.
Specifically, as shown in the figure, the sound insulation tube 2 of the present embodiment is provided with a vacuum chamber 20. The vacuum chamber 20 can further block the propagation of noise, increasing the sound deadening effect.
Specifically, as shown in the figure, in the embodiment, the inner wall of the sound absorbing tube 3 is provided with an annular groove 30, a sound absorbing screen plate 31 is movably installed in the annular groove 30, a plurality of speed reducing plates 33 are fixedly installed on the sound absorbing screen plate 31 through supporting rods 32, and the plurality of speed reducing plates 33 are distributed in a staggered manner. The speed reducing plate 33 can reduce the high wind speed in the ventilation duct 1, thereby reducing the generation of noise, and the sound absorbing screen 31 can further absorb the generated noise under the condition of ensuring the ventilation of air, thereby increasing the silencing effect.
Further, as shown in the figure, the sound absorbing mesh plate 31 of the present embodiment has a certain elasticity. The elasticity that the sound absorbing net plate 31 has can be conveniently installed and replaced, and easy operation has increased the practicality of device.
Further, as shown in the figure, the inner wall of the groove 5 in this embodiment is provided with a slot 50, and a filter screen 51 is movably installed in the slot 50. The filter net 51 can filter the air flow in the ventilation duct to achieve a certain purifying effect.
Further, as shown in the figure, the lower end of the screw rod 13 in this embodiment is fixedly provided with a hand wheel 60. The screw rod 13 is rotated by the hand wheel 60 more conveniently and more effort-saving.
Further, as shown in the figure, a baffle ring 70 is fixedly installed in the ventilation duct 1 according to this embodiment, and the baffle ring 70 can block the sound insulation pipe 2 and the sound absorption pipe 3. The baffle ring 70 clamps the sound insulation pipe 2 and the sound absorption pipe 3 between the baffle plate 4 and the baffle ring 70, plays a limiting role on the sound insulation pipe 2 and the sound absorption pipe 3, and prevents wind from causing the sound insulation pipe 2 and the sound absorption pipe 3 to move in the ventilation pipeline 1 in a left-right direction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a silencing device for ventilation air conditioner convenient to installation, includes air pipe (1), and air pipe (1) sliding installation sound insulation pipe (2), sound absorption pipe (3), its characterized in that are slided in sound insulation pipe (2): the flange of the ventilating duct (1) is connected with the baffle (4) through bolt fastening, the baffle (4) is provided with the groove (5), the groove (5) is internally provided with a plurality of silencing shutters (7) through rotation of the rotating shaft (6), the baffle (4) is provided with a plurality of communication grooves (5) and through holes (8) outside the baffle (4), the left side of the baffle (4) is provided with a plurality of communication grooves (5) and through holes (9) inside the ventilating duct (1), the rotating shaft (6) at the rear side of the silencing shutters (7) backwards extends through the through holes (8), the rear end of the rotating shaft (6) at the rear side is fixedly provided with a gear (10) respectively, one side of the gear (10) is meshed and matched with one rack (11), the upper end of the rack (11) is slidably mounted on the baffle (4) through a sliding sleeve (12), the lower end of the rack (11) is rotatably provided with a screw rod (13) through a bearing, the peripheral screw of the screw rod (13) is matched with a mounting screw nut (14), and the screw nut (14) is fixedly mounted on the baffle (4) through a connecting rod.
2. The muffler device for a ventilation air conditioner for easy installation according to claim 1, wherein: the inside of the sound insulation pipe (2) is provided with a vacuum cavity (20).
3. The muffler device for a ventilation air conditioner for easy installation according to claim 1, wherein: an annular groove (30) is formed in the inner wall of the sound absorbing pipe (3), a sound absorbing screen plate (31) is movably mounted in the annular groove (30), a plurality of speed reducing plates (33) are fixedly mounted on the sound absorbing screen plate (31) through supporting rods (32), and the speed reducing plates (33) are distributed in a staggered mode.
4. A muffler for a ventilating air conditioner for facilitating installation as set forth in claim 3, wherein: the sound absorbing net plate (31) has certain elasticity.
5. The muffler device for a ventilation air conditioner for easy installation according to claim 1, wherein: a clamping groove (50) is formed in the inner wall of the groove (5), and a filter screen (51) is movably arranged in the clamping groove (50).
6. The muffler device for a ventilation air conditioner for easy installation according to claim 1, wherein: a hand wheel (60) is fixedly arranged at the lower end of the screw rod (13).
7. The muffler device for a ventilation air conditioner for easy installation according to claim 1, wherein: a baffle ring (70) is fixedly arranged in the ventilating duct (1), and the baffle ring (70) can block the sound insulation pipe (2) and the sound absorption pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601090.4U CN220187090U (en) | 2023-03-24 | 2023-03-24 | Silencing device for ventilation air conditioner convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601090.4U CN220187090U (en) | 2023-03-24 | 2023-03-24 | Silencing device for ventilation air conditioner convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187090U true CN220187090U (en) | 2023-12-15 |
Family
ID=89105950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320601090.4U Active CN220187090U (en) | 2023-03-24 | 2023-03-24 | Silencing device for ventilation air conditioner convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187090U (en) |
-
2023
- 2023-03-24 CN CN202320601090.4U patent/CN220187090U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214746247U (en) | Ventilation unit for architectural design | |
| CN220187090U (en) | Silencing device for ventilation air conditioner convenient to installation | |
| CN213747139U (en) | Building energy-saving ventilation device | |
| CN208042237U (en) | A kind of environment-friendly noise reduction kitchen ventilator | |
| CN210317814U (en) | High-temperature fire-fighting smoke-discharging axial flow fan | |
| CN216842277U (en) | Multistage noise reduction type centrifugal fan | |
| CN213981281U (en) | Induced draft fan with spray tower and built-in silencer | |
| CN211060321U (en) | Ventilation and heat dissipation device for building energy conservation | |
| CN217763809U (en) | Noise eliminator for ventilation air conditioner | |
| CN208253886U (en) | A kind of full heat recovery fresh air machine with noise reduction | |
| CN216111475U (en) | Exhaust pipe silencer for cement plant | |
| CN219913423U (en) | Muffler of making an uproar falls fast is used in air conditioner refrigeration | |
| CN216110987U (en) | Heat dissipation, noise reduction and smoke removal device for diesel generating set | |
| CN220817827U (en) | Super-silent kitchen oil smoke clarifier | |
| CN220047577U (en) | Noise-reduction environment-friendly residential building construction dust collector | |
| CN213514184U (en) | Energy-saving and environment-friendly central air conditioner | |
| CN220581368U (en) | Fan sound-proof housing device | |
| CN215175740U (en) | Silencing exhaust hood | |
| CN218781402U (en) | Mute air exhaust device with adjustable air exhaust angle | |
| CN104652633B (en) | Noise reduction device for Roots blower | |
| CN220288287U (en) | Cooling tower | |
| CN214031909U (en) | Submerged air blower | |
| CN213331696U (en) | Low noise fan easy to assemble | |
| CN218178252U (en) | Modularization device of making an uproar falls in laboratory | |
| CN216159315U (en) | Noise elimination device for heating ventilation system and air conditioning ventilation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |