CN220648604U - Noise reduction structure for ventilation system of heating ventilation air conditioner - Google Patents
Noise reduction structure for ventilation system of heating ventilation air conditioner Download PDFInfo
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- CN220648604U CN220648604U CN202322370274.7U CN202322370274U CN220648604U CN 220648604 U CN220648604 U CN 220648604U CN 202322370274 U CN202322370274 U CN 202322370274U CN 220648604 U CN220648604 U CN 220648604U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 71
- 238000010438 heat treatment Methods 0.000 title claims abstract description 15
- 238000011084 recovery Methods 0.000 claims abstract description 43
- 229920000742 Cotton Polymers 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000004378 air conditioning Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 23
- 239000012535 impurity Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 8
- 230000007774 longterm Effects 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- -1 galvanized sheet Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a noise reduction structure for a heating ventilation air conditioning ventilation system, which relates to the field of air conditioning. According to the utility model, through the arrangement of the structures such as the noise reduction sleeve, the recovery box and the movable baffle, the noise reduction sleeve is provided with the plurality of soundproof cotton grooves, and soundproof cotton can be arranged in the soundproof cotton grooves, so that the sound generated when the airflow passes can be reduced, and through the arrangement of the vacuum grooves in the noise reduction sleeve, the noise transmission can be further reduced, the noise reduction effect is realized, the brush rod can be moved by the driving motor, the surface of the filter plate is cleaned, the cleaned dust and impurities can fall into the recovery box to be recovered, and the filter plate can be continuously used, so that the filter plate does not need to be repeatedly disassembled for cleaning.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a noise reduction structure for a heating ventilation air conditioning ventilation system.
Background
The ventilating pipe for heating, ventilation and air conditioning is a new type pipe produced by advanced machinery at one time, and is mainly made of metal materials, including galvanized sheet, stainless steel, copper, aluminum and other materials, and is mainly used in ventilating systems in air conditioning industry.
Among the prior art, there is the wind to the air pipe in the use, produce certain noise, and the noise that produces when the wind that flows is bigger also can be bigger to can cause the interference to the user, influence the mood of user's work, and in order to remove dust to the air that flows in the ventilation pipe, can set up the filter screen in the pipeline generally, and can save more dust on the in-process filter screen of long-term use, need the staff regularly clear up, it is comparatively loaded down with trivial details, therefore need a heating ventilation air conditioning ventilation system to use the structure of making an uproar to satisfy people's demand.
Disclosure of Invention
The utility model aims to provide a noise reduction structure for a heating ventilation air conditioning ventilation system, which is used for solving the problems that in the prior art, wind flows to a ventilation pipeline in the use process, the larger the flowing wind is, the larger the noise generated is, the interference is caused to a user, the working mood of the user is affected, more dust is accumulated on a filter screen of the ventilation pipeline in the long-term use process, and the regular cleaning is needed, and the operation is complicated.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a structure of making an uproar falls in heating ventilation air conditioning ventilation system, includes the ventilation pipe, fixed mounting has the structure of making an uproar falls on the ventilation pipe, and the inner wall fixed mounting of ventilation pipe has the fixed frame, and fixed mounting has the clean structure of filtration on the fixed frame, and two fixture blocks of equal fixed mounting in both sides of ventilation pipe have same recovery structure on four fixture blocks.
Preferably, the noise reduction structure comprises a noise reduction sleeve, the noise reduction sleeve is fixedly sleeved on the ventilation pipe, a plurality of soundproof cotton grooves are formed in the inner wall of the noise reduction sleeve, soundproof cotton is fixedly installed in the soundproof cotton grooves, and a vacuum groove is formed in the inner wall of the noise reduction sleeve.
Preferably, the filter cleaning structure comprises a filter plate, the filter plate is fixedly mounted on a fixed frame, two movable grooves are formed in the fixed frame, screw rods are rotatably mounted in the two movable grooves, one ends of the two screw rods penetrate through a ventilation pipe and are fixedly mounted with motors, the two motors are fixedly mounted on the ventilation pipe, threaded blocks are slidably mounted in the two movable grooves, the two threaded blocks are respectively and spirally mounted on the two screw rods, two connecting rods are fixedly mounted on the two threaded blocks, brush rods are fixedly mounted on one sides of the two connecting rods, which are close to each other, and the two brush rods are respectively contacted with two sides of the filter plate.
Preferably, the recovery structure comprises a recovery box, two limiting clamping plates are fixedly arranged on two sides of the recovery box, two clamping grooves are respectively formed in the two limiting clamping plates, four clamping blocks are movably arranged in the four clamping grooves respectively, a communication hole is formed in the ventilation pipe, the communication hole is communicated with the recovery box, fixing rods are fixedly arranged on one sides of the two limiting clamping plates, stop blocks are fixedly arranged on the two fixing rods, sliding plates are fixedly arranged on the two fixing rods, fixing inserting rods are fixedly arranged on one sides, close to each other, of the two sliding plates, slots are respectively formed in two sides of the ventilation pipe, two movable baffles are rotatably arranged on the inner wall of the communication hole and are respectively located on the top side of the recovery box, two push rods are fixedly arranged on the bottom sides of the two connecting rods, and the two push rods located on the same side are in contact with the top side of the same movable baffle.
Preferably, the fixed rod is sleeved with a spring in a sliding manner, and two ends of the spring are respectively and fixedly arranged on one side, close to the sliding plate and the stop block, of the sliding plate.
Preferably, two rotating holes are formed in the movable baffle, fixed shafts are rotatably mounted in the two rotating holes, and the two fixed shafts are fixedly mounted on inner walls of two sides of the communication hole respectively.
Preferably, the fixed shaft is fixedly sleeved with a torsion spring, one end of the torsion spring is fixedly arranged on the inner wall of the rotating hole, and the other end of the torsion spring is fixedly arranged on the fixed shaft.
Preferably, the sliding plate is provided with a sliding hole, the fixed rod is slidably arranged in the sliding hole, two limiting blocks are fixedly arranged in the sliding hole, the fixed rod is provided with two limiting sliding grooves, and the two limiting blocks are slidably arranged in the two limiting sliding grooves respectively.
The beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the structures such as the noise reduction sleeve, the recovery box and the movable baffle, the noise reduction sleeve is provided with the plurality of soundproof cotton grooves, and soundproof cotton can be arranged in the soundproof cotton grooves, so that the sound generated when the airflow passes can be reduced, and through the arrangement of the vacuum grooves in the noise reduction sleeve, the noise transmission can be further reduced, the noise reduction effect is realized, the brush rod can be moved by the driving motor, the surface of the filter plate is cleaned, the cleaned dust and impurities can fall into the recovery box to be recovered, and the filter plate can be continuously used, so that the filter plate does not need to be repeatedly disassembled for cleaning.
According to the utility model, through the arrangement of the structures such as the limiting clamping plates and the sliding plates, when the dust collected in the recovery box is too much, the limit of the limiting clamping plates can be removed by pulling the sliding plates at two sides, and then the recovery box is pushed horizontally to be separated from the ventilation pipe, so that the recovery box is convenient to clean and convenient to use subsequently.
Drawings
Fig. 1 is a schematic structural diagram of a noise reduction structure for a ventilation system of a heating ventilation air conditioner according to the present utility model;
fig. 2 is a schematic structural view of a noise reduction sleeve part of a noise reduction structure for a ventilation system of a heating ventilation air conditioner;
fig. 3 is a schematic diagram of a filter plate of a noise reduction structure for a ventilation system of a heating ventilation air conditioner;
fig. 4 is a schematic structural view of a fixed frame part of a noise reduction structure for a ventilation system of a heating ventilation air conditioner according to the present utility model;
fig. 5 is a schematic structural diagram of a portion a in fig. 4 of a noise reduction structure for a ventilation system of a hvac system according to the present utility model;
FIG. 6 is a schematic diagram of a cross-sectional structure of a frame portion of a noise reduction structure for a ventilation system of a heating ventilation air conditioner according to the present utility model;
fig. 7 is a schematic cross-sectional view of a screw portion of a noise reduction structure for a ventilation system of a heating ventilation air conditioner according to the present utility model.
In the figure: 100. a ventilation pipe; 200. a noise reduction sleeve; 201. a soundproof cotton groove; 202. a vacuum tank; 300. a fixed frame; 301. a filter plate; 302. a movable groove; 303. a screw rod; 304. a motor; 305. a screw block; 306. a connecting rod; 307. a brush bar; 400. a recovery box; 401. a limiting clamping plate; 402. a clamping groove; 403. a clamping block; 404. a fixed rod; 405. a stop block; 406. a sliding plate; 407. fixing the inserted link; 408. a slot; 409. a spring; 410. a fixed shaft; 411. a movable baffle; 412. a rotation hole; 413. a torsion spring; 414. a sliding hole; 415. a limiting block; 416. limiting sliding grooves; 417. a communication hole; 418. a push rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-7, a noise reduction structure for a hvac ventilation system, including ventilation pipe 100, the noise reduction structure is fixedly installed on ventilation pipe 100, fixed frame 300 is fixedly installed on the inner wall of ventilation pipe 100, at this time, filter cleaning structure is fixedly installed on fixed frame 300, two clamping blocks 403 are fixedly installed on both sides of ventilation pipe 100, the same recovery structure is installed on four clamping blocks 403, noise reduction sleeve 200 is provided with a plurality of noise insulation cotton slots 201 through sleeving noise reduction sleeve 200 on ventilation pipe 100, noise insulation cotton can be installed in noise insulation cotton slots 201, and vacuum slots 202 are formed in noise reduction sleeve 200, noise can be reduced, fixed frame 300 and filter plate 301 are arranged to block dust impurities in air, dust can be accumulated on filter plate 301 during long-term use, at this time, motor 304 can be started, output end of motor 304 can drive screw rod 303 to rotate, screw rod 305 is influenced by rotation of screw rod 303, then connecting rod 306 on both sides can be driven to move downwards, connecting rod 306 drives brush rod 307 to move downwards and brush rod 306 to surface 306 of filter plate 301 can be driven by connecting rod 418, and can also drive connecting rod 418 to rotate connecting rod 418 to two side of filter rod 418 to realize in-situ, can be recovered, thereby can realize the effect of rolling and rotating piston rod 418 can be recovered, and can be recovered, piston rod 418 can be continuously rotated by rotating piston rod 418, and can be driven by connecting rod 418 can be rotated by connecting rod 418 to rotate 411, and can be recovered by rotating connecting rod 418 can be recovered by rotating in position piston rod 411, the movable baffle 411 is not extruded, the torsion spring 413 drives the movable baffle 411 to turn over and reset and seal the communication hole 417, thereby preventing dust in the recovery box 400 from being blown up in the recovery box 400 when air flows through, when excessive dust is accumulated in the recovery box 400, the sliding plates 406 on two sides can be pulled, the sliding plates 406 can slide on the fixed rods 404 through the sliding holes 414, the sliding plates 406 can drive the two limiting blocks 415 to slide in the two limiting sliding grooves 416 on the fixed rods 404 respectively while sliding, further, the sliding plates 406 are prevented from deviating, the continuously moving sliding plates 406 can compress the springs 409 through the cooperation with the stop blocks 405 and drive the fixed inserting rods 407 to be away from the slots 408, so that the limit of the limiting clamping plates 401 can be relieved, the recovery box 400 is pushed horizontally, the clamping grooves 402 on the limiting clamping plates 401 can be driven to be separated from the clamping blocks 403, the recovery box 400 and the ventilation pipes 100 can be separated conveniently, and dust impurities in the recovery box 400 can be cleaned conveniently for subsequent use.
Further, the noise reduction structure comprises a noise reduction sleeve 200, the noise reduction sleeve 200 is fixedly sleeved on the ventilation pipe 100, a plurality of soundproof cotton grooves 201 are formed in the inner wall of the noise reduction sleeve 200, soundproof cotton is fixedly installed in the soundproof cotton grooves 201, a vacuum groove 202 is formed in the inner wall of the noise reduction sleeve 200, the noise reduction sleeve 200 is sleeved on the ventilation pipe 100, a plurality of soundproof cotton grooves 201 are formed in the noise reduction sleeve 200, soundproof cotton can be installed in the soundproof cotton grooves 201, and noise can be reduced by forming the vacuum groove 202 in the noise reduction sleeve 200.
Further, the filter cleaning structure comprises a filter plate 301, two movable grooves 302 are formed in the fixed frame 300, screw rods 303 are rotatably arranged in the two movable grooves 302, one ends of the two screw rods 303 penetrate through the ventilation pipe 100 and are fixedly provided with motors 304, the two motors 304 are fixedly arranged on the ventilation pipe 100, threaded blocks 305 are slidably arranged in the two movable grooves 302, the two threaded blocks 305 are respectively and spirally arranged on the two screw rods 303, two connecting rods 306 are fixedly arranged on the two threaded blocks 305, brush rods 307 are fixedly arranged on one sides, close to each other, of the two connecting rods 306, the two brush rods 307 are respectively contacted with two sides of the filter plate 301, the fixed frame 300 and the filter plate 301 can block dust impurities in air, dust can be accumulated on the filter plate 301 during long-term use, at this time, the output ends of the motors 304 can drive the screw rods 303 to rotate, the threaded blocks 305 are influenced by the rotation of the screw rods 303 and slide in the movable grooves 302, the sliding threaded blocks 306 can drive the connecting rods 306 on the two sides to move downwards, and the connecting rods 306 further drive the connecting rods 306 to move downwards to brush the connecting rods 307 to clean the surfaces of the filter plate 301.
Further, the recycling structure comprises a recycling box 400, two sides of the recycling box 400 are fixedly provided with limiting clamping plates 401, two clamping grooves 402 are respectively formed in the two limiting clamping plates 401, four clamping blocks 403 are respectively movably arranged in the four clamping grooves 402, a communication hole 417 is formed in the ventilating pipe 100, the communication hole 417 is communicated with the recycling box 400, one sides of the two limiting clamping plates 401 are fixedly provided with fixing rods 404, the two fixing rods 404 are fixedly provided with stop blocks 405, the two fixing rods 404 are respectively and slidably provided with sliding plates 406, one sides of the two sliding plates 406, which are close to each other, are respectively and fixedly provided with fixing inserting rods 407, two sides of the ventilating pipe 100 are respectively and movably arranged in the two inserting grooves 408, the inner wall of the communication hole 417 is rotatably provided with two movable baffles 411, the two movable baffles 411 are respectively positioned at the top side of the recycling box 400, the bottom sides of the two connecting rods 306 are fixedly provided with two push rods 418, the two push rods 418 positioned on the same side are contacted with the top side of the same movable baffle 411, the connecting rods 306 can drive the push rods 418 on the bottom side to move while moving, so that the movable baffle 411 is extruded by the push rods 418 to turn over, the turned movable baffle 411 can rotate on the two fixed shafts 410 respectively through the rotating holes 412 on the two sides to realize the turning effect, the continuously turned movable baffle 411 can compress the torsion spring 413 and open the communication holes 417, so that impurities and dust brushed by the brush rod 307 can fall into the recovery box 400 through the communication holes 417 to be recovered, the motor 304 can be driven to recover the connecting rods 306 after the cleaning is finished, the movable baffle 411 can not be extruded, the torsion spring 413 can drive the movable baffle 411 to turn over and reset and seal the communication holes 417, thereby prevent that the air flow from entering into the recovery box 400 and blowing up the dust in the recovery box 400, when the dust in the recovery box 400 is accumulated excessively, can pull the sliding plate 406 of both sides, the sliding plate 406 can slide on the dead lever 404 through the slide hole 414, the sliding plate 406 can drive two limiting blocks 415 to slide in two limiting slide grooves 416 on the dead lever 404 respectively when sliding, and then avoid the sliding plate 406 to deviate, the continuously moving sliding plate 406 can compress the spring 409 through the cooperation with the stop block 405 and drive the fixed inserted link 407 to keep away from the slot 408, thereby can release the restriction to the limiting clamping plate 401, afterwards, the recovery box 400 is pushed horizontally, the clamping groove 402 on the limiting clamping plate 401 can be driven to break away from the clamping block 403, thereby separating the recovery box 400 from the ventilation pipe 100, and facilitating the cleaning of dust impurities in the recovery box 400, so as to facilitate the subsequent use.
Further, the fixing rod 404 is slidably sleeved with a spring 409, two ends of the spring 409 are respectively fixedly installed on one side of the sliding plate 406, which is close to the stop block 405, and the moving sliding plate 406 compresses the spring 409 through cooperation with the stop block 405.
Further, two rotating holes 412 are formed in the movable baffle 411, the fixed shafts 410 are rotatably mounted in the two rotating holes 412, the two fixed shafts 410 are respectively and fixedly mounted on inner walls of two sides of the communication hole 417, and the turnover movable baffle 411 can rotate on the two fixed shafts 410 through the rotating holes 412 on two sides respectively, so that a turnover effect is achieved.
Further, the fixed shaft 410 is fixedly sleeved with the torsion spring 413, one end of the torsion spring 413 is fixedly arranged on the inner wall of the rotation hole 412, the other end of the torsion spring 413 is fixedly arranged on the fixed shaft 410, the turnover movable baffle 411 can compress the torsion spring 413, and the torsion spring 413 can drive the movable baffle 411 to turn over and reset when the movable baffle 411 is not extruded.
Further, a sliding hole 414 is formed in the sliding plate 406, the fixed rod 404 is slidably mounted in the sliding hole 414, two limiting blocks 415 are fixedly mounted in the sliding hole 414, two limiting grooves 416 are formed in the fixed rod 404, the two limiting blocks 415 are slidably mounted in the two limiting grooves 416 respectively, the sliding plate 406 slides on the fixed rod 404 through the sliding hole 414, and the sliding plate 406 drives the two limiting blocks 415 to slide in the two limiting grooves 416 on the fixed rod 404 respectively while sliding, so that the sliding plate 406 is prevented from being deviated.
The working principle of the utility model is as follows:
through sleeving the noise reduction sleeve 200 on the ventilation pipe 100, a plurality of soundproof cotton grooves 201 are arranged on the noise reduction sleeve 200, soundproof cotton can be installed in the soundproof cotton grooves 201, noise can be reduced through arranging the vacuum grooves 202 in the noise reduction sleeve 200, dust impurities in air can be blocked through arranging the fixing frame 300 and the filter plates 301, dust can be accumulated on the filter plates 301 during long-term use, at the moment, a motor 304 can be started, the output end of the motor 304 can drive a screw rod 303 to rotate, a threaded block 305 can slide in a movable groove 302 under the influence of the rotation of the screw rod 303, the sliding threaded block 305 can drive connecting rods 306 on two sides to move downwards, the connecting rods 306 can drive the brush rods 307 to move downwards and brush the surfaces of the filter plates 301, the connecting rods 306 can drive push rods 418 on the bottom side to move while moving, so that the push rods 418 extrude the movable baffle 411 to overturn, the turned movable baffle 411 will rotate on the two fixed shafts 410 through the rotating holes 412 on both sides, so as to realize the turning effect, the continuously turned movable baffle 411 will compress the torsion spring 413 and open the communication hole 417, so that the impurities and dust brushed off by the brush rod 307 can fall into the recovery box 400 through the communication hole 417 to be recovered, the motor 304 can be driven to restore the connecting rod 306 to the original position after cleaning is completed, the push rod 418 will be restored to the original position at this time, the movable baffle 411 is not pressed, the torsion spring 413 will drive the movable baffle 411 to turn over and reset and close the communication hole 417, so as to prevent dust entering the recovery box 400 from blowing up when air flows through, when the dust in the recovery box 400 is excessively accumulated, the sliding plates 406 on both sides can be pulled, the sliding plates 406 can slide on the fixed rod 404 through the sliding holes 414, the sliding plate 406 can drive two limiting blocks 415 to slide in two limiting sliding grooves 416 on the fixed rod 404 respectively when sliding, and further the sliding plate 406 is prevented from deviating, the continuously moving sliding plate 406 can compress a spring 409 through matching with the stop block 405 and drive the fixed inserting rod 407 to be far away from the slot 408, so that the limit of the limiting clamping plate 401 can be relieved, the recovery box 400 is pushed horizontally, the recovery box 400 can drive the clamping groove 402 on the limiting clamping plate 401 to separate from the clamping block 403, the recovery box 400 can be separated from the ventilation pipe 100, dust and impurities in the recovery box 400 are conveniently cleaned, and the recovery box is convenient to use subsequently.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. Noise reduction structure for heating ventilation air conditioning ventilation system, including ventilation pipe (100), its characterized in that: the novel air conditioner is characterized in that a noise reduction structure is fixedly arranged on the air pipe (100), a fixed frame (300) is fixedly arranged on the inner wall of the air pipe (100), a filtering and cleaning structure is fixedly arranged on the fixed frame (300), two clamping blocks (403) are fixedly arranged on two sides of the air pipe (100), and the same recovery structure is arranged on the four clamping blocks (403).
2. The noise reduction structure for a hvac ventilation system according to claim 1, wherein: the noise reduction structure comprises a noise reduction sleeve (200), the noise reduction sleeve (200) is fixedly sleeved on the ventilation pipe (100), a plurality of soundproof cotton grooves (201) are formed in the inner wall of the noise reduction sleeve (200), soundproof cotton is fixedly installed in the soundproof cotton grooves (201), and a vacuum groove (202) is formed in the inner wall of the noise reduction sleeve (200).
3. The noise reduction structure for a hvac ventilation system according to claim 1, wherein: the utility model provides a filter cleaning structure includes filter (301), filter (301) fixed mounting has offered two movable grooves (302) on fixed frame (300), all rotate in two movable grooves (302) and install lead screw (303), the one end of two lead screws (303) all runs through ventilation pipe (100) and fixed mounting has motor (304), two equal fixed mounting of motor (304) are on ventilation pipe (100), equal slidable mounting has screw thread block (305) in two movable grooves (302), two screw thread block (305) are threaded mounting respectively on two lead screws (303), fixed mounting has two connecting rods (306) on two screw thread block (305), one side that two connecting rods (306) are close to each other is equal fixed mounting has brush rod (307), two brush rods (307) contact with the both sides of filter (301) respectively.
4. The noise reduction structure for a hvac ventilation system according to claim 1, wherein: the utility model discloses a recovery structure, recovery box (400) is including recovery box (400), both sides of recovery box (400) are all fixed mounting have spacing cardboard (401), two draw-in grooves (402) have all been seted up on two spacing cardboard (401), slot (408) have all been seted up to four fixture blocks (403) respectively movable mounting in four draw-in grooves (402), communication hole (417) have been seted up on ventilation pipe (100), communication hole (417) are linked together with recovery box (400), one side of two spacing cardboard (401) is all fixed mounting has dead lever (404), all fixed mounting has dog (405) on two dead lever (404), all slidable mounting has slide plate (406) on two dead lever (404), one side that two slide plates (406) are close to each other is all fixed mounting has fixed inserted bar (407), slot (408) have all been seted up to the both sides of ventilation pipe (100), movable mounting is in two slot (408) respectively, the inner wall rotation of communication hole 4 (17) is installed two movable baffles (411), two movable baffles (411) all are located the top side of recovery box (400), two bottom sides (418) are located two same movable baffles (418) of two side and two top sides of the same push rod (418), two top sides are located same movable baffle (418).
5. The noise reduction structure for a hvac ventilation system of claim 4, wherein: the fixed rod (404) is sleeved with a spring (409) in a sliding manner, and two ends of the spring (409) are respectively and fixedly arranged on one side, close to each other, of the sliding plate (406) and the stop block (405).
6. The noise reduction structure for a hvac ventilation system of claim 4, wherein: two rotating holes (412) are formed in the movable baffle plate (411), fixed shafts (410) are rotatably arranged in the two rotating holes (412), and the two fixed shafts (410) are fixedly arranged on the inner walls of two sides of the communication hole (417) respectively.
7. The noise reduction structure for a hvac ventilation system of claim 6, wherein: the fixed shaft (410) is fixedly sleeved with a torsion spring (413), one end of the torsion spring (413) is fixedly arranged on the inner wall of the rotating hole (412), and the other end of the torsion spring (413) is fixedly arranged on the fixed shaft (410).
8. The noise reduction structure for a hvac ventilation system of claim 4, wherein: the sliding plate (406) is provided with a sliding hole (414), the fixed rod (404) is slidably arranged in the sliding hole (414), two limiting blocks (415) are fixedly arranged in the sliding hole (414), the fixed rod (404) is provided with two limiting sliding grooves (416), and the two limiting blocks (415) are slidably arranged in the two limiting sliding grooves (416) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370274.7U CN220648604U (en) | 2023-08-31 | 2023-08-31 | Noise reduction structure for ventilation system of heating ventilation air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370274.7U CN220648604U (en) | 2023-08-31 | 2023-08-31 | Noise reduction structure for ventilation system of heating ventilation air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN220648604U true CN220648604U (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322370274.7U Active CN220648604U (en) | 2023-08-31 | 2023-08-31 | Noise reduction structure for ventilation system of heating ventilation air conditioner |
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| CN (1) | CN220648604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089123A (en) * | 2024-04-22 | 2024-05-28 | 深圳宝田建设集团有限公司 | Energy-saving noise-reducing ventilation air conditioner for building |
-
2023
- 2023-08-31 CN CN202322370274.7U patent/CN220648604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118089123A (en) * | 2024-04-22 | 2024-05-28 | 深圳宝田建设集团有限公司 | Energy-saving noise-reducing ventilation air conditioner for building |
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