CN219936673U - Large-air-volume sheet type impedance composite muffler - Google Patents
Large-air-volume sheet type impedance composite muffler Download PDFInfo
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- CN219936673U CN219936673U CN202321226789.3U CN202321226789U CN219936673U CN 219936673 U CN219936673 U CN 219936673U CN 202321226789 U CN202321226789 U CN 202321226789U CN 219936673 U CN219936673 U CN 219936673U
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- connecting plate
- impedance composite
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- plate
- type impedance
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- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 230000003584 silencer Effects 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000011491 glass wool Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 230000008030 elimination Effects 0.000 claims description 11
- 238000003379 elimination reaction Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000030279 gene silencing Effects 0.000 abstract 2
- 229920000742 Cotton Polymers 0.000 description 6
- 239000012634 fragment Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of impedance composite silencers and discloses a large-air-volume sheet type impedance composite silencer, which comprises a main body mechanism, a connecting mechanism and a silencing mechanism, wherein the connecting mechanism is positioned in the main body mechanism, the silencing mechanism is positioned in the main body mechanism, the main body mechanism comprises an outer coaming, a connecting plate, a threaded column, a filter screen, an L-shaped plate and a mounting hole, the connecting plate is fixedly connected to the middle part of the outer coaming, the threaded column is in threaded connection with the front end of the connecting plate, the right side surface of the filter screen is in contact with the left side surface of the connecting plate, the L-shaped plate is fixedly connected to the upper end of the outer coaming, the mounting hole is fixedly arranged in the middle part of the L-shaped plate, the connecting mechanism comprises an air deflector, a sliding groove, a telescopic spring, a limiting block and a limiting groove, the upper surface of the air deflector is in contact with the inner top wall of the connecting plate, and convenience in disassembly of the large-air-volume sheet type impedance composite silencer in actual use is facilitated through the structure of the connecting mechanism.
Description
Technical Field
The utility model relates to the technical field of impedance composite mufflers, in particular to a large-air-volume sheet type impedance composite muffler.
Background
Along with the development of scientific technology, the noise generated by the development of the technology brings convenience to people, and simultaneously brings a lot of trouble to people, the treatment of noise pollution becomes an important content of the environmental protection work at home and abroad, and the muffler is a common device which can enable air flow to pass through and effectively reduce noise, and the evaluation standard of the performance of the muffler mainly comprises three indexes of sound attenuation, air flow regeneration noise and pressure loss.
The existing impedance composite muffler mainly generates friction with glass cloth and sound absorption glass wool in the air to absorb sound energy in the air, but the expected noise elimination effect cannot be guaranteed only through sequential sound energy absorption, the traditional muffler structure is relatively fixed, the glass cloth and the sound absorption glass wool are easy to damage, and the replacement is relatively troublesome.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a large-air-volume sheet-type impedance composite muffler, which solves the problems that the expected noise elimination effect cannot be guaranteed in the prior art, and the structure is relatively fixed and is inconvenient to replace.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compound silencer of big amount of wind piece formula impedance, includes main part mechanism, coupling mechanism and noise elimination mechanism, coupling mechanism is located main part mechanism's inside, noise elimination mechanism is located main part mechanism's inside, main part mechanism includes peripheral board, connecting plate, screw thread post, filter screen, L template and mounting hole, connecting plate fixed connection is at the middle part of peripheral board, screw thread post threaded connection is at the front end of connecting plate, the right flank of filter screen and the left surface contact of connecting plate, L template fixed connection is at the upper end of peripheral board, the middle part at L template is fixedly seted up to the mounting hole, this compound silencer of big amount of wind piece formula impedance, through the structure of filter screen, the protection to the connecting plate when the in-service use of this compound silencer of big amount of wind piece formula impedance is convenient.
Preferably, the connecting mechanism comprises an air deflector, a sliding groove, a telescopic spring, a limiting block and a limiting groove, wherein the upper surface of the air deflector is contacted with the inner top wall of the connecting plate, the sliding groove is fixedly arranged at the upper end of the middle part of the air deflector, and the large-air-volume sheet type impedance composite muffler is convenient to slide along the limiting block in actual use through the structure of the sliding groove.
Preferably, the telescopic spring sliding connection is in the middle part of sliding tray, the lower surface of stopper and telescopic spring's upper surface contact, the fixed middle part lower extreme of seting up at the connecting plate of spacing groove, this big air volume piece formula impedance compound muffler, through telescopic spring's structure, the convenience of stopper return when in actual use of this big air volume piece formula impedance compound muffler of being convenient for.
Preferably, the noise elimination mechanism includes side acoustic baffle, ventilation chamber, perforated plate, glass cloth, sound absorption glass wool, resonant cavity and fossil fragments, side acoustic baffle fixed connection is in the left end of connecting plate, the middle part at the peripheral board is fixedly seted up in the ventilation chamber, and this big amount of wind piece formula impedance composite muffler, through the structure of side acoustic baffle, the convenience that this big amount of wind piece formula impedance composite muffler energy weakens in the sound source when in-service use of being convenient for.
Preferably, the perforated plate fixed connection is at the right-hand member of aviation baffle, glass cloth fixed connection is at the right-hand member of perforated plate, the cotton fixed connection of sound absorption glass is at the right-hand member of glass cloth, and this big amount of wind piece formula impedance compound muffler, through the structure of perforated plate, the convenience of this big amount of wind piece formula impedance compound muffler air inflow when in-service use of being convenient for.
Preferably, the resonant cavity is fixedly arranged in the middle of the sound absorption glass wool, the keel is fixedly connected to the right end of the sound absorption glass wool, and the large-air-volume sheet type impedance composite muffler is convenient to connect the sound absorption glass wool in actual use through the structure of the keel.
Compared with the prior art, the utility model has the beneficial effects that:
1. the large-air-volume sheet type impedance composite muffler is convenient for the protection of the connecting plate when in actual use through the structure of the filter screen, and the sliding smoothness of the limiting block when in actual use is convenient for the large-air-volume sheet type impedance composite muffler through the structure of the sliding groove, so that the protectiveness of the large-air-volume sheet type impedance composite muffler when in actual use is greatly improved;
2. according to the large-air-volume sheet type impedance composite muffler, the convenience of limiting block return of the large-air-volume sheet type impedance composite muffler in actual use is facilitated through the structure of the telescopic spring, and the convenience of weakening energy in a sound source of the large-air-volume sheet type impedance composite muffler in actual use is facilitated through the structure of the side sound absorption plate, so that the convenience of the large-air-volume sheet type impedance composite muffler in actual use is greatly improved;
3. this big amount of wind piece formula impedance compound silencer, through the structure of perforated plate, the convenience of this big amount of wind piece formula impedance compound silencer air inflow when in-service use of being convenient for, through the structure of fossil fragments, this big amount of wind piece formula impedance compound silencer of being convenient for is to the connection of sound absorption glass cotton when in-service use, great improvement the air flow of this big amount of wind piece formula impedance compound silencer when in-service use.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
FIG. 3 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 4 is a schematic view of the right-side cross-sectional structure of the present utility model.
In the figure: 1. a main body mechanism; 101. a peripheral plate; 102. a connecting plate; 103. a threaded column; 104. a filter screen; 105. an L-shaped plate; 106. a mounting hole; 2. a connecting mechanism; 201. an air deflector; 202. a sliding groove; 203. a telescopic spring; 204. a limiting block; 205. a limit groove; 3. a sound damping mechanism; 301. a side sound absorbing panel; 302. a ventilation chamber; 303. a perforated plate; 304. glass cloth; 305. sound absorbing glass wool; 306. a resonant cavity; 307. and (5) keels.
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. 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.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a compound silencer of big amount of wind piece formula impedance, including main part mechanism 1, coupling mechanism 2 and noise elimination mechanism 3, coupling mechanism 2 is located the inside of main part mechanism 1, noise elimination mechanism 3 is located the inside of main part mechanism 1, main part mechanism 1 includes peripheral board 101, connecting plate 102, screw thread post 103, filter screen 104, L template 105 and mounting hole 106, connecting plate 102 fixed connection is at the middle part of peripheral board 101, screw thread post 103 threaded connection is at the front end of connecting plate 102, the right flank of filter screen 104 and the left surface contact of connecting plate 102, L template 105 fixed connection is at the upper end of peripheral board 101, the middle part at L template 105 is fixedly seted up to mounting hole 106.
The connecting mechanism 2 comprises an air deflector 201, a sliding groove 202, a telescopic spring 203, a limiting block 204 and a limiting groove 205, wherein the upper surface of the air deflector 201 is in contact with the inner top wall of the connecting plate 102, the sliding groove 202 is fixedly arranged at the upper end of the middle part of the air deflector 201, the telescopic spring 203 is in sliding connection with the middle part of the sliding groove 202, the lower surface of the limiting block 204 is in contact with the upper surface of the telescopic spring 203, and the limiting groove 205 is fixedly arranged at the lower end of the middle part of the connecting plate 102.
The noise elimination mechanism 3 includes side acoustic baffle 301, ventilation chamber 302, perforated plate 303, glass cloth 304, the cotton 305 of sound absorption glass, resonant cavity 306 and fossil fragments 307, side acoustic baffle 301 fixed connection is at the left end of connecting plate 102, ventilation chamber 302 is fixed to be seted up at the middle part of peripheral board 101, perforated plate 303 fixed connection is at the right-hand member of aviation baffle 201, glass cloth 304 fixed connection is at the right-hand member of perforated plate 303, the cotton 305 fixed connection of sound absorption glass is at the right-hand member of glass cloth 304, resonant cavity 306 is fixed to be seted up at the middle part of the cotton 305 of sound absorption glass, fossil fragments 307 fixed connection is at the right-hand member of the cotton 305 of sound absorption glass.
Working principle: when the large-air-volume sheet type impedance composite muffler needs to be used, the muffler is connected with the outside through the mounting holes 106 in the L-shaped plate 105, the front end of the connecting plate 102 is connected with the filter screen 104 through the threaded column 103, the filter screen 104 is convenient to detach, foreign matters can be prevented from blocking the muffler mechanism 3, the limiting block 204 is pressed downwards, the telescopic spring 203 is compressed, the limiting block 204 moves downwards and moves to the inside of the sliding groove 202, the muffler mechanism 3 is placed in the middle of the connecting plate 102, the limiting block 204 slides into the limiting groove 205, so that the muffler mechanism 3 and the main body mechanism 1 are fixed, when air enters the ventilation cavity 302, the air firstly enters the glass cloth 304 and the sound absorption glass wool 305 through the side sound absorption plate 301 and the perforated plate 303, friction is generated between the air and the air, the sound source continuously enters the resonance cavity 306, and then enters the glass cloth 304 and the sound absorption glass wool 305 again through resonance in the resonance cavity 306, so that the effect of muffling can be ensured.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a compound silencer of big amount of wind piece formula impedance, includes main part mechanism (1), coupling mechanism (2) and noise elimination mechanism (3), its characterized in that: coupling mechanism (2) are located the inside of main part mechanism (1), noise elimination mechanism (3) are located the inside of main part mechanism (1), main part mechanism (1) include peripheral board (101), connecting plate (102), screw thread post (103), filter screen (104), L template (105) and mounting hole (106), connecting plate (102) fixed connection is at the middle part of peripheral board (101), screw thread post (103) threaded connection is at the front end of connecting plate (102), the right flank of filter screen (104) and the left surface contact of connecting plate (102), L template (105) fixed connection is in the upper end of peripheral board (101), the middle part at L template (105) is offered in the fixed of mounting hole (106).
2. The large air volume chip-type impedance composite muffler according to claim 1, wherein: coupling mechanism (2) are including aviation baffle (201), sliding tray (202), extension spring (203), stopper (204) and spacing groove (205), the upper surface of aviation baffle (201) and the interior roof contact of connecting plate (102), the middle part upper end at aviation baffle (201) is offered in fixed the sliding tray (202).
3. The large air volume chip-type impedance composite muffler according to claim 2, wherein: the telescopic spring (203) is slidably connected to the middle of the sliding groove (202), the lower surface of the limiting block (204) is in contact with the upper surface of the telescopic spring (203), and the limiting groove (205) is fixedly formed in the lower end of the middle of the connecting plate (102).
4. A large air volume sheet type impedance composite muffler according to claim 3, wherein: the noise elimination mechanism (3) comprises a side sound absorption plate (301), a ventilation cavity (302), a perforated plate (303), glass cloth (304), sound absorption glass wool (305), a resonance cavity (306) and a keel (307), wherein the side sound absorption plate (301) is fixedly connected to the left end of the connecting plate (102), and the ventilation cavity (302) is fixedly arranged in the middle of the peripheral plate (101).
5. The large air volume chip-type impedance composite muffler according to claim 4, wherein: the perforated plate (303) is fixedly connected to the right end of the air deflector (201), the glass cloth (304) is fixedly connected to the right end of the perforated plate (303), and the sound absorption glass wool (305) is fixedly connected to the right end of the glass cloth (304).
6. The large air volume chip-type impedance composite muffler according to claim 5, wherein: the resonant cavity (306) is fixedly arranged in the middle of the sound-absorbing glass wool (305), and the keel (307) is fixedly connected to the right end of the sound-absorbing glass wool (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226789.3U CN219936673U (en) | 2023-05-20 | 2023-05-20 | Large-air-volume sheet type impedance composite muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226789.3U CN219936673U (en) | 2023-05-20 | 2023-05-20 | Large-air-volume sheet type impedance composite muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936673U true CN219936673U (en) | 2023-10-31 |
Family
ID=88495269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226789.3U Active CN219936673U (en) | 2023-05-20 | 2023-05-20 | Large-air-volume sheet type impedance composite muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936673U (en) |
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2023
- 2023-05-20 CN CN202321226789.3U patent/CN219936673U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214500 south head of Tuqiao, Xilai Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: East China Zhengda (Jiangsu) Environmental Group Co.,Ltd. Country or region after: China Address before: 214500 south head of Tuqiao, Xilai Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee before: JIANGSU HUADONG ZHENGDA AIR CONDITIONING EQUIPMENT Co.,Ltd. Country or region before: China |