CN214307566U - Silencing device for heating ventilation air-conditioning ventilation system - Google Patents
Silencing device for heating ventilation air-conditioning ventilation system Download PDFInfo
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- CN214307566U CN214307566U CN202023076035.3U CN202023076035U CN214307566U CN 214307566 U CN214307566 U CN 214307566U CN 202023076035 U CN202023076035 U CN 202023076035U CN 214307566 U CN214307566 U CN 214307566U
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- Prior art keywords
- silencing
- wall
- barrel
- fixedly connected
- air
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 99
- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 238000004378 air conditioning Methods 0.000 title claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 230000003584 silencer Effects 0.000 claims description 7
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a muffler device for a heating ventilation air conditioning ventilation system in the technical field of heating ventilation air conditioning, which comprises a muffler barrel, the inner wall of the silencing barrel is provided with silencing cotton, one end of the silencing barrel is fixedly connected with a flange through a bolt, the flange is connected with an air inlet pipe in a threaded manner, the left end of the air inlet pipe is connected with an annular seat, the left end of the annular seat is fixedly connected with a silencing sleeve net, the left side of the top of the inner wall of the silencing sleeve net and the right side of the bottom of the inner wall are both fixedly connected with an air guard, the inner wall of the silencing barrel is fixedly connected with a plurality of silencing rods, the silencing rods are arranged in a disorder way, the silencing plate is arranged in the silencing barrel, the edge of the silencing plate is fixedly arranged on the inner wall of the silencing barrel along the circumferential direction, the other end of the silencing cylinder is connected with the air outlet pipe, and the device is simple in structure, convenient and practical, has a good silencing function, and further reduces noise.
Description
Technical Field
The utility model relates to a heating ventilation air conditioning technology field specifically is heating ventilation air conditioning ventilation system uses noise eliminator.
Background
The heating ventilation air conditioning ventilation system is an important component of the heating ventilation air conditioning, and the heating ventilation air conditioning is equipment responsible for indoor or in-vehicle heating, ventilation and air conditioning, controls indoor temperature and improves indoor comfort level, is an important ring in medium and large industrial buildings or office buildings, plays an important role in the fields or industries such as pharmacy, electronics, oil gas and the like, and when the heating ventilation air conditioning starts ventilation, strong air flow is generated inside for ventilation, and the air flow rate quickly impacts the inner wall of a pipeline to easily generate harsh noise, so that the noise elimination device for the heating ventilation air conditioning ventilation system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heating leads to noise eliminator for air conditioner ventilation system to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the silencing device for the heating ventilation air conditioning ventilation system comprises a silencing barrel, wherein silencing cotton is arranged on the inner wall of the silencing barrel, one end of the silencing barrel is fixedly connected with a flange through a bolt, an air inlet pipe is connected to the flange through threads, the left end of the air inlet pipe is connected with an annular seat, a silencing sleeve net is fixedly connected to the left end of the annular seat, air protection plates are fixedly connected to the left side of the top of the inner wall of the silencing sleeve net and the right side of the bottom of the inner wall, a plurality of silencing rods are fixedly connected to the inner wall of the silencing barrel and are arranged in a staggered mode, a silencing plate is arranged inside the silencing barrel, the edge of the silencing plate is fixedly arranged on the inner wall of the silencing barrel along the circumferential direction, and the other end of the silencing barrel is connected with an air outlet pipe.
Preferably, the inner wall of the annular seat is provided with a first internal thread, the outer wall of the air inlet pipe is provided with a first external thread, and the annular seat and the air inlet pipe are movably connected through the first internal thread and the first external thread which are matched with each other.
Preferably, the outer wall of the bottom of the air outlet pipe is in threaded connection with a fixing ring, the bottom of the fixing ring is fixedly connected with a filter screen, and the filter screen is abutted to the bottom of the air outlet pipe.
Preferably, the outer wall of the other end of the silencing cylinder is provided with a second external thread, the inner wall of the air outlet pipe is provided with a second internal thread, the silencing cylinder and the air outlet pipe are movably connected through the second internal thread and the second external thread, which are matched, and the outer wall of the other end of the silencing cylinder is wrapped by a polytetrafluoroethylene tape.
Preferably, the sound attenuation rod is made of polyurethane foam and is of a cylindrical porous structure, and the sound attenuation plate is made of ethylene propylene diene monomer rubber and mineral substances.
Preferably, the silencing pot is L-shaped.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up two sets of wind boards of protecting at amortization cover net inner wall and forming the wind gap of crossing less relatively, when ventilation system starts, the air current enters into in the broad silencing barrel through crossing the wind gap, air flow rate slows down relatively, do not influence the ventilation effect, the sound that effectual improvement strong air current caused in silencing barrel, noise abatement's production, wind passes through the amortization cover net in proper order after protecting the wind board, amortization stick and abate, a plurality of air vents have been seted up on the wind cavity wall of amortization cover net, through the amortization cover net, the multistage amortization noise reduction of amortization stick and abate, further noise abatement's production.
2. Through the setting of inhaling the sound cotton, can avoid air and noise damping section of thick bamboo inner wall to produce friction and noise, the production of noise abatement.
Drawings
FIG. 1 is a schematic structural view of the muffler device for a heating ventilation system;
in the figure: the silencer comprises a silencing barrel 1, an air inlet pipe 2, a flange 3, a bolt 4, an annular seat 5, an air protection plate 6, a silencing sleeve net 7, a silencing rod 8, silencing cotton 9, a silencing plate 10, an air outlet pipe 11, a fixing ring 12 and a filter screen 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the utility model provides a muffler for heating ventilation air conditioning system, including a silencing barrel 1, silencing cotton 9 is arranged on the inner wall of the silencing barrel 1, the silencing cotton 9 can avoid the friction and noise generated by the air and the inner wall of the silencing barrel 1, and reduce the noise, one end of the silencing barrel 1 is fixedly connected with a flange 3 through a bolt 4, the flange 3 is connected with an air inlet pipe 2 through screw threads, the air of the air inlet pipe 2 flows through two sets of air protecting plates 6 and passes through a silencing sleeve net 7, the two sets of air protecting plates 6 form a relatively small air passing opening, the air passing opening enhances the air flow rate at the air passing opening, the air flow enters the wide silencing barrel 1 through the air passing opening, the air flow rate is relatively slow, and the ventilation effect is not affected, thus effectively improving the sound caused by the air flow in the silencing barrel 1, reducing the noise, the left end of the air inlet pipe 2 is connected with an annular seat 5, the left end of the annular seat 5 is fixedly connected with the silencing sleeve net 7, noise in the silencing barrel 1 can be partially eliminated through the silencing sleeve net 7, and is partially eliminated through the silencing rod 8 continuously, and noise which is not eliminated is further silenced through the silencing plate 10, so that the multistage silencing and noise-reducing treatment of the silencing sleeve net 7, the silencing rod 8 and the silencing plate 10 is carried out, the generation of noise is further reduced, the wind-protecting plates 6 are fixedly connected to the left side of the top of the inner wall of the silencing sleeve net 7 and the right side of the bottom of the inner wall, the silencing rods 8 are fixedly connected to the inner wall of the silencing barrel 1, the silencing rods 8 are arranged in a staggered mode, the silencing plate 10 is arranged inside the silencing barrel 1, the edge of the silencing plate 10 is fixedly arranged on the inner wall of the silencing barrel 1 in the circumferential direction, and the other end of the silencing barrel 1 is connected with the wind outlet pipe 11.
Referring to fig. 1, an inner thread i is formed on the inner wall of the annular seat 5, an outer thread i is formed on the outer wall of the air inlet pipe 2, the annular seat 5 and the air inlet pipe 2 are movably connected through the matched inner thread i and outer thread i, and the outer diameter of the threaded connection part of the air inlet pipe 2 and the flange 3 is larger than the diameter of the silencing sleeve net 7, so that the air inlet pipe 2 can be disassembled, the silencing sleeve net 7 can be taken out, and the silencing sleeve net 7 can be disassembled for cleaning and maintenance through the matching of the outer thread i and the inner thread i.
Referring to fig. 1, the outer wall of the bottom of the air outlet pipe 11 is connected with a fixing ring 12 through a thread, the bottom of the fixing ring 12 is fixedly connected with a filter screen 13, the filter screen 13 abuts against the bottom of the air outlet pipe 11, the filter screen 13 is used for preventing some solid or insect birds from entering the silencing barrel 1 and damaging the silencing plate 10, the silencing cotton 9 and the silencing plate 8, the filter screen 13 can be detached from the air outlet pipe 11 through the thread connection of the fixing ring 12 and the air outlet pipe 11, and the filter screen 13 can be cleaned and maintained.
Referring to fig. 1, the outer wall of the other end of the silencing cylinder 1 is provided with a second external thread, the inner wall of the air outlet pipe 11 is provided with a second internal thread, and the silencing cylinder 1 and the air outlet pipe 11 are movably connected through the second internal thread and the second external thread which are matched with each other, so that the air outlet pipe 11 is convenient to install and detach, the outer wall of the other end of the silencing cylinder 1 is wrapped with a teflon tape, and the air tightness of the connection between the silencing cylinder 1 and the air outlet pipe 11 can be improved through the teflon tape.
Referring to fig. 1, the sound-absorbing rod 8 is made of polyurethane foam and has a cylindrical porous structure, the sound-absorbing plate 10 is made of epdm rubber plus mineral, and the polyurethane foam and the epdm rubber plus mineral have good sound-absorbing function.
Referring to fig. 1, the silencing pot 1 is L-shaped.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Silencing device for heating and ventilating air conditioning ventilation system, including silencing tube (1), its characterized in that: the inner wall of the silencing barrel (1) is provided with silencing cotton (9), one end of the silencing barrel (1) is fixedly connected with a flange (3) through a bolt (4), the flange (3) is connected with an air inlet pipe (2) in a threaded manner, the left end of the air inlet pipe (2) is connected with an annular seat (5), the left end of the annular seat (5) is fixedly connected with a silencing sleeve net (7), the left side of the top of the inner wall and the right side of the bottom of the inner wall of the silencing sleeve net (7) are fixedly connected with a wind guard (6), the inner wall of the silencing barrel (1) is fixedly connected with a plurality of silencing rods (8), the silencing rods (8) are arranged in a disorder way, the silencer is characterized in that a silencer plate (10) is arranged inside the silencer barrel (1), the edge of the silencer plate (10) is fixedly arranged on the inner wall of the silencer barrel (1) along the circumferential direction, and the other end of the silencer barrel (1) is connected with an air outlet pipe (11).
2. The silencing device for an hvac ventilation system of claim 1, wherein: the inner wall of the annular seat (5) is provided with a first internal thread, the outer wall of the air inlet pipe (2) is provided with a first external thread, and the annular seat (5) and the air inlet pipe (2) are movably connected through the first internal thread and the first external thread which are matched.
3. The silencing device for an hvac ventilation system of claim 1, wherein: go out tuber pipe (11) bottom outer wall threaded connection and have solid fixed ring (12), the bottom fixedly connected with filter screen (13) of solid fixed ring (12), filter screen (13) offset with the bottom of going out tuber pipe (11).
4. The silencing device for an hvac ventilation system of claim 1, wherein: the outer wall of the other end of the silencing barrel (1) is provided with a second external thread, the inner wall of the air outlet pipe (11) is provided with a second internal thread, the silencing barrel (1) and the air outlet pipe (11) are movably connected through the second internal thread and the second external thread, and the outer wall of the other end of the silencing barrel (1) is wrapped by a polytetrafluoroethylene tape.
5. The silencing device for an hvac ventilation system of claim 1, wherein: the sound attenuation rod (8) is made of polyurethane foam and is of a cylindrical porous structure, and the sound attenuation plate (10) is made of ethylene propylene diene monomer rubber and mineral substances.
6. The silencing device for an hvac ventilation system of claim 1, wherein: the silencing tube (1) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023076035.3U CN214307566U (en) | 2020-12-20 | 2020-12-20 | Silencing device for heating ventilation air-conditioning ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023076035.3U CN214307566U (en) | 2020-12-20 | 2020-12-20 | Silencing device for heating ventilation air-conditioning ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214307566U true CN214307566U (en) | 2021-09-28 |
Family
ID=77859712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023076035.3U Expired - Fee Related CN214307566U (en) | 2020-12-20 | 2020-12-20 | Silencing device for heating ventilation air-conditioning ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214307566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495879A (en) * | 2022-01-25 | 2022-05-13 | 江苏宝联气体有限公司 | Noise reduction device for oxygen generation equipment |
-
2020
- 2020-12-20 CN CN202023076035.3U patent/CN214307566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495879A (en) * | 2022-01-25 | 2022-05-13 | 江苏宝联气体有限公司 | Noise reduction device for oxygen generation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |