CN202969870U - Ventilation and noise elimination device - Google Patents
Ventilation and noise elimination device Download PDFInfo
- Publication number
- CN202969870U CN202969870U CN 201220425054 CN201220425054U CN202969870U CN 202969870 U CN202969870 U CN 202969870U CN 201220425054 CN201220425054 CN 201220425054 CN 201220425054 U CN201220425054 U CN 201220425054U CN 202969870 U CN202969870 U CN 202969870U
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- Prior art keywords
- opening
- cylindrical shell
- extension
- ventilation
- silencing apparatus
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Abstract
The utility model discloses a ventilation and noise elimination device, which comprises a barrel body (1), wherein an opening (2) is formed in one end of the barrel body (1); an opening (3) is formed in the other end of the barrel body (1); and the opening (2) is communicated with the opening (3) to form a vent channel. The ventilation and noise elimination device is characterized in that a noise absorption part (4) is arranged on the circumferential surface of the inner wall of the barrel body (1). Compared with the prior art, the noise absorption part is arranged on the circumferential surface of the inner wall of the barrel body, so that when the barrel body is embedded into a wall body, the barrel body can take the effects of circulating indoor and outdoor air and absorbing sound waves passing through an inner cavity of the barrel body by the sound absorption part in the barrel body to eliminate noise. Therefore, the ventilation and noise elimination effects are achieved, and the device is simple in structure and low in production cost, can be suitable for circulation of all indoor and outdoor air, and is wide in application range.
Description
Technical field
The utility model relates to a kind of equipment that can ventilate and can eliminate the noise, and especially refers to a kind of for ventilating and silencing apparatus.
Background technology
Existing a lot of noisy public arena adopts various sound arresters to provide a relatively quietly space to people, for example existing a kind of application number is that the Chinese utility model patent application that the CN95220193.3 name is called " air convector for sound-insulation installation " discloses a kind of air convector for sound-insulation installation, turns physa seat, sound insulation cylinder, driving screw, support bar, nut, air permeable plate, sound-absorbing spare, acoustic rod, ventilator by the four directions and forms.The four directions turns physa seat and ventilator and asks the sound insulation cylinder is housed, cylinder is built-in with several layers of air permeable plate and sound-absorbing spare, every layer of sound arrester all coordinates support bar and nut to be fixed on the scrobicular ring of sound insulation cylinder by the driving screw in the sound insulation cylinder, air permeable plate plate face and the sound-absorbing spare of every layer are provided with air-vent, air-vent on sound-absorbing spare is staggeredly located, and sound insulation cylinder orlop air permeable plate hook several acoustic rods.But this device sound insulation, and can strengthen circulation of air.But its shortcoming is complex structure, makes trouble, and cost of production is high, and inconvenience is installed, and should not be applicable on general body of wall, and it is of limited application, so its structure awaits further to improve.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of simple in structure, easy for installation and ventilation and silencing apparatus that cost of production is low are provided for above-mentioned prior art problem.
The utility model solves the problems of the technologies described above the technical scheme that adopts: this ventilation and silencing apparatus, comprise cylindrical shell, an end at described cylindrical shell is provided with opening, the other end of described cylindrical shell arranges perforate, described opening and perforate form venting channels for being interconnected, and it is characterized in that: described cylinder inboard wall side face is provided with sound-absorbing spare.
As improvement, described cylindrical shell one end can be provided with outwardly extension, and described opening is arranged in extension.
As improvement, the opening part of described extension also can be provided with the cover plate of energy opening and closing.
Improve, described concrete structure that can opening and closing may be selected to be: described cover plate and opening shape size are suitable again, and cover plate is rotatedly connected by rotating shaft and extension and connects.
As improvement, described tapping can be provided with outwardly extension protuberance, and described perforate is arranged in extends protuberance.
Improve, the tapping of described extension protuberance can be provided with the raggle block of energy opening and closing again.
Improve, the concrete structure of the opening and closing of described extension protuberance may be selected to be: described raggle block and hole shape size are suitable again, and raggle block is rotatedly connected with the extension protuberance by rotating shaft and connects.
As improvement, described cylindrical shell one end can be provided with outwardly extension, described opening is arranged in extension, be provided with outwardly extension protuberance at the described cylindrical shell other end, described perforate is arranged in extends protuberance, described cylindrical shell has two semicircles to involute, and apposition position arranges the hinge that can open and close up on one side.
As improvement, the sound-absorbing spare that described sound-absorbing spare can be made by sponge or plastic foam material material, described sound-absorbing spare is for being close on the cylindrical shell internal perisporium.
Improve, described cylindrical shell can be preferably cylinder or the shapes such as cuboid or gengon again.
Compared with prior art, the utility model adopts at the inwall side face that is used for the ventilation cylindrical shell and is provided with sound-absorbing spare.When cylindrical shell was embedded in body of wall, cylindrical shell can play the circulation effect of indoor and outdoor air like this, can absorb through the sound wave of cylinder lumen by the sound-absorbing spare in cylindrical shell again and eliminate the noise.Thereby realize to ventilate effect with noise reduction, and the utility model makes simply, cost of production is low, and and use outdoor ventilation indoor applicable to all, thus applied range, so the utility model is a kind of very practical product, is worthy of popularization.
Description of drawings
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is Fig. 1 axial section;
Fig. 3 is the stereogram of the another kind of embodiment of the utility model.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the ventilation of the present embodiment and silencing apparatus, this ventilation and silencing apparatus, comprise cylindrical shell 1, an end at described cylindrical shell 1 is provided with opening 2, the other end of described cylindrical shell 1 arranges perforate 3, and described opening 2 forms venting channels with perforate 3 for being interconnected, and described cylindrical shell 1 inwall side face is provided with sound-absorbing spare 4.Be provided with outwardly extension 22 at cylindrical shell 1 one ends, this opening 2 is arranged in extension 22, is provided with cover plate 32 at opening 2 places of extension 22; This cover plate 32 is suitable with opening 2 shape sizes, and cover plate 32 is rotatedly connected by rotating shaft 11 and extension 22 and connects.
Certainly, 3 places also can be provided with outwardly extension protuberance 23 in described perforate, and this perforate 3 is arranged in extends protuberance 23, and perforate 3 places of this extension protuberance 23 are provided with raggle block 33, this raggle block 33 is suitable with perforate 3 shape sizes, and raggle block 33 by rotating shaft 11 with extend protuberance 23 and be rotatedly connected and connect.
Certainly, above-mentioned cylindrical shell 1 also can select an end to be provided with outwardly extension 22, opening 2 is arranged in extension 22, be provided with outwardly extension protuberance 23 at described cylindrical shell 1 other end, perforate 3 is arranged in extends protuberance 23, cylindrical shell 1 has two semicircles to involute, and apposition position arranges the hinge 12 that can open and close up on one side.
The sound-absorbing spare that above-mentioned sound-absorbing spare 4 is made by sponge or plastic foam material material, described sound-absorbing spare is for being close on cylindrical shell 1 internal perisporium.Above-mentioned cylindrical shell 1 can also be cuboid or gengon etc. except cylinder.Specifically can decide by designing requirement.
Operating principle of the present utility model, by this device is arranged on body of wall, air just can make indoor and outdoor being connected by ventilation opening, reach the purpose of ventilation, and airborne noise is through this device during inner chamber, the sound-absorbing spare in cylindrical shell can fall the wave absorption of noise, make the relative rest state of indoor maintenance, thereby realize to make the indoor-outdoor air circulation, can make again the indoor interference of avoiding outdoor noise, reach the peaceful purpose of environment with fresh air.
Claims (10)
1. one kind ventilates and silencing apparatus, comprise cylindrical shell (1), an end at described cylindrical shell (1) is provided with opening (2), the other end of described cylindrical shell (1) arranges perforate (3), described opening (2) forms venting channels with perforate (3) for being interconnected, and it is characterized in that: described cylindrical shell (1) inwall side face is provided with sound-absorbing spare (4).
2. ventilation according to claim 1 and silencing apparatus, it is characterized in that: described cylindrical shell (1) one end is provided with outwardly extension (22), and described opening (2) is arranged in extension (22).
3. ventilation according to claim 2 and silencing apparatus is characterized in that: the opening (2) of described extension (22) locate to be provided with can opening and closing cover plate (32).
4. ventilation according to claim 3 and silencing apparatus, it is characterized in that: the concrete structure of described cover plate (32) that can opening and closing is: described cover plate (32) is suitable with opening (2) shape size, and cover plate (32) is rotatedly connected by rotating shaft (11) and extension (22) and connects.
5. ventilation according to claim 1 and silencing apparatus, it is characterized in that: described perforate (3) locates to be provided with outwardly extension protuberance (23), and described perforate (3) is arranged in extends protuberance (23).
6. ventilation according to claim 5 and silencing apparatus is characterized in that: the perforate (3) of described extension protuberance (23) locate to be provided with can opening and closing raggle block (33).
7. ventilation according to claim 6 and silencing apparatus, it is characterized in that: the concrete structure of the opening and closing of described extension protuberance (23) is: described raggle block (33) and perforate (3) shape size are suitable, and raggle block (33) is rotatedly connected with extension protuberance (23) by rotating shaft (11) and connects.
8. ventilation according to claim 1 and silencing apparatus, it is characterized in that: described cylindrical shell (1) one end is provided with outwardly extension (22), described opening (2) is arranged in extension (22), be provided with outwardly extension protuberance (23) at described cylindrical shell (1) other end, described perforate (3) is arranged in extends protuberance (23), described cylindrical shell (1) has two semicircles to involute, and apposition position arranges the hinge (12) that can open and close up on one side.
9. arbitrary described ventilation and silencing apparatus according to claim 1 to 7, it is characterized in that: the sound-absorbing spare that described sound-absorbing spare (4) is made by sponge or plastic foam material material, described sound-absorbing spare is for being close on cylindrical shell (1) internal perisporium.
10. arbitrary described ventilation and silencing apparatus according to claim 1 to 7, it is characterized in that: described cylindrical shell (1) is cylinder or gengon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425054 CN202969870U (en) | 2012-08-23 | 2012-08-23 | Ventilation and noise elimination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425054 CN202969870U (en) | 2012-08-23 | 2012-08-23 | Ventilation and noise elimination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202969870U true CN202969870U (en) | 2013-06-05 |
Family
ID=48510964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220425054 Expired - Fee Related CN202969870U (en) | 2012-08-23 | 2012-08-23 | Ventilation and noise elimination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202969870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807996A (en) * | 2014-03-04 | 2014-05-21 | 刘浩 | Silencer |
-
2012
- 2012-08-23 CN CN 201220425054 patent/CN202969870U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807996A (en) * | 2014-03-04 | 2014-05-21 | 刘浩 | Silencer |
| CN103807996B (en) * | 2014-03-04 | 2016-08-31 | 刘浩 | Muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20140823 |
|
| EXPY | Termination of patent right or utility model |