CN210562742U - Folding combined type double-sided sound absorption barrier used in workshop - Google Patents
Folding combined type double-sided sound absorption barrier used in workshop Download PDFInfo
- Publication number
- CN210562742U CN210562742U CN201921246150.5U CN201921246150U CN210562742U CN 210562742 U CN210562742 U CN 210562742U CN 201921246150 U CN201921246150 U CN 201921246150U CN 210562742 U CN210562742 U CN 210562742U
- Authority
- CN
- China
- Prior art keywords
- sound
- layer
- sound absorption
- absorbing
- sided
- 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
Images
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to the technical field of workshop noise treatment, in particular to a folding combined double-sided sound-absorbing barrier used in a workshop, wherein a plurality of sound-absorbing boards which are sequentially connected end to end are arranged between two adjacent sound-absorbing boards, and a rotating shaft can fold the two sound-absorbing boards together by the rotating shaft, so that the folding of the sound-absorbing barrier is realized, the storage convenience is improved, and the transportation difficulty is reduced; the sound absorption rod, the reinforcing piece, the sound attenuation layer and the sound absorption layer are combined, and the sound attenuation layer and the sound absorption layer are all hollow; the sound absorption rod is hollow, and the hollow inside the sound absorption rod is communicated with the hollow inside the mute layer; inhale and be provided with a plurality of sound holes b of inhaling on the sound stick for external noise absorbs through inhaling the sound stick and enters into the mute layer, through the setting of mute layer structure, makes the sound weak, and through constantly reflecting, refraction propagation process in the mute layer, makes to enter into and inhales the sound in situ, through inhaling the noise absorption in the sound layer, further noise reduction frequency reaches the purpose of making an uproar, has strengthened the noise reduction effect.
Description
Technical Field
The utility model belongs to the technical field of the processing vehicle noise processing technique and specifically relates to a folding combined type double-sided sound absorption barrier who uses in workshop.
Background
Noise pollution mainly comes from transportation, vehicle whistle, industrial processing, construction and so on, and the noise has seriously hindered people's normal rest, study and work, how to eliminate the noise sound source, reduces and shields the transmission of noise sound source, will be favorable to ensureing people's normal life and rest.
At present, the noise reduction and noise reduction method is mainly to arrange a sound barrier between a sound source and a peripheral sound source sensitive point, and the sound barrier in the prior art is generally prepared by a metal or resin structure sound shielding frame, a built-in sound absorber, an external attached hole panel and the like; moreover, according to the different functional divisions of the sound barrier, there are sound absorbing, sound reflecting and combined absorbing and reflecting functions, for example, the assembled sound barrier sound absorption screen of patent No. 201721139246.2, which adopts the filling porous sound absorption material in the front panel, the back panel and the middle cavity and the sound absorption holes punched on the panel to achieve the purposes of improving the sound absorption effect and reducing the noise influence. For example, the sound absorption screen device of patent No. 201720400454.7 is composed of a first sound absorption unit, a second sound absorption unit and a support frame, and the absorption effect on high-frequency, medium-frequency and low-frequency noise is realized through the first and second sound absorption units. For example, the reflection sound absorption sound barrier of patent No. 201721714114.8 has a plurality of bending parts through a plurality of sound barrier bodies and sound barriers that are connected end to end in sequence, so that the noise of a sound source is emitted towards the sound source direction, and the noise is reduced through multiple reflections, thereby improving the noise reduction effect.
However, the sound absorption effect of the sound barrier in the prior art is still not ideal, and the structure is unreasonable, so that the installation operation difficulty is high, and the installation stability and reliability are extremely poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem in the prior art, the utility model provides a folding combined double-sided sound absorption barrier who uses in workshop.
The method is realized by the following technical scheme:
the folding combined type double-sided sound absorption barrier used in a workshop comprises a plurality of sound absorption plates which are sequentially connected end to end, a rotating shaft is arranged between every two adjacent sound absorption plates, and the two sound absorption plates can be folded together through the rotating shaft; sound absorption rods are arranged on both sides of the sound absorption plate; the sound absorption plate comprises a reinforcing piece in the middle layer, a weak sound layer and a sound absorption layer are sequentially arranged on two sides of the reinforcing piece, and the weak sound layer and the sound absorption layer are both hollow; the sound absorption rod is hollow inside to form an inner cavity, and the inner cavity is communicated with the hollow part in the mute layer; the sound absorption rod is provided with a plurality of sound absorption holes b. The device has simple structure and convenient operation, can be folded and is convenient to store and transport.
In order to enhance the noise reduction effect and improve the environmental quality in a workshop, preferably, the sound absorption layer is internally provided with sound absorption cotton which is carbon fiber and/or an asbestos net with a plurality of micropores.
In order to strengthen the absorption of the sound-absorbing cotton to external noise and reduce noise pollution, preferably, a sound guide plate is arranged between the sound-attenuating layer and the sound-absorbing layer, and a plurality of micropores are formed in the sound guide plate.
In order to realize multiple refraction and reflection of noise in the sound barrier, so that the noise can rapidly enter the sound absorption layer and the influence of the noise on the environment is reduced, preferably, a lug is arranged in the mute layer and can reflect the sound.
In order to improve the noise reduction effect, preferably, the protrusion is triangular cone shaped, and the tip of the protrusion faces the sound absorption hole b.
In order to facilitate movement in the workshop, preferably, the bottom end of the rotating shaft is provided with a moving assembly.
For the purposes of improving stability and enhancing convenience, the moving component is preferably a universal wheel with a brake device.
In order to reduce the influence of noise on the environment, it is preferable that the rotating shaft is provided with a rotating reflection member, and the rotating reflection member can be pressed between the two sound-absorbing plates when the sound-absorbing plates are folded.
In order to absorb noise in the environment, achieve the purpose of noise reduction, and improve the sound insulation and noise reduction effects, preferably, the rotating reflector is provided with a sound absorption hole a.
In order to strengthen the stability of the rotary reflection piece, prevent the rotary noise reduction process from twisting and prolong the service life, preferably, the rotary reflection piece is provided with a stabilizing strip which can fix the rotary reflection piece on the sound absorption plate.
Compared with the prior art, the invention has the technical effects that:
through the plurality of sound-absorbing boards which are sequentially connected end to end, a rotating shaft is arranged between every two adjacent sound-absorbing boards, and the two sound-absorbing boards can be folded together through the rotating shaft, so that the folding of the sound barrier is realized, the storage convenience is improved, and the transportation difficulty is reduced; the sound absorption rod, the reinforcing piece, the sound attenuation layer and the sound absorption layer are combined, and the sound attenuation layer and the sound absorption layer are all hollow; the sound absorption rod is hollow, and the hollow inside the sound absorption rod is communicated with the hollow inside the mute layer; inhale and be provided with a plurality of sound holes b of inhaling on the sound stick for external noise absorbs through inhaling the sound stick and enters into the mute layer, through the setting of mute layer structure, makes the sound weak, and through constantly reflecting, refraction propagation process in the mute layer, makes to enter into and inhales the sound in situ, through inhaling the noise absorption in the sound layer, further noise reduction frequency reaches the purpose of making an uproar, has strengthened the noise reduction effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the unit structure of the present invention shown in fig. 1.
Fig. 3 is a schematic structural view of the rotating reflector.
Fig. 4 is a schematic view of a structure in which a rotating reflection member is disposed between sound-absorbing plates.
3 FIG. 3 5 3 is 3 a 3 schematic 3 view 3 of 3 a 3 sectional 3 view 3 of 3 a 3 part 3 of 3 the 3 structure 3 of 3 the 3 sound 3- 3 absorbing 3 panel 3 A 3- 3 A 3' 3. 3
Fig. 6 is an enlarged schematic view of a portion of fig. 5I.
1-rotating shaft 2-sound-absorbing board 3-moving component 4-sound-absorbing rod 5-rotating reflection piece 6-sound-absorbing hole a 7-stabilizing strip 8-reinforcing piece 9-sound-absorbing layer 10-weak sound layer 11-sound-absorbing hole b 12-inner cavity 13-sound-absorbing cotton 14-sound-guiding board 15-lug.
Detailed Description
The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of protection is not limited to the description.
As shown in fig. 1 to 6, in some embodiments, the folding combined double-sided sound absorption barrier used in a workshop comprises a plurality of sound absorption plates 2 connected end to end in sequence, a rotating shaft 1 is arranged between two adjacent sound absorption plates 2, and the rotating shaft 1 can enable the two sound absorption plates 2 to be folded together; sound absorption rods 4 are arranged on two sides of the sound absorption plate 2; the sound absorption plate 2 comprises a reinforcing piece 8 in the middle layer, a mute layer 10 and a sound absorption layer 9 are sequentially arranged on two sides of the reinforcing piece 8, and the mute layer 10 and the sound absorption layer 9 are both hollow; the sound absorption rod 4 is hollow inside to form an inner cavity 12, and the inner cavity 12 is communicated with the interior of the mute layer 10 in a hollow way; the sound absorption rod 4 is provided with a plurality of sound absorption holes b 11.
In the use, adopt the device to keep apart sound source production district and sound sensitive area in with the workshop to through collapsible performance, made things convenient for transportation, put, installation, reduced the use degree of difficulty.
Noise that the sound source produced is absorbed inside entering into the device through a plurality of sound holes b of inhaling on the sound absorption stick to under the effect of inhaling sound hole b, enter into the mute layer, continuous reflection in the mute layer, the refraction, make at the continuous weakening of mute layer intracavity, and at the weakening in-process, combine the setting of inhaling sound layer structure, make the reflection, the sound of refraction enter into and inhale the in situ and absorbed the weakening, further noise reduction is to the influence of environmental quality, reinforcing noise reduction effect.
In some embodiments, the sound absorption layer 9 is provided with sound absorption cotton 13, and the sound absorption cotton 13 is a carbon fiber and/or asbestos mesh with a plurality of micropores. The manufacturing cost is reduced, the noise reduction effect is ensured to be obvious, and the sound is continuously weakened and absorbed by the plurality of micropore structures, so that the sound is transmitted among the micropores and weakened. The invention mainly utilizes the fact that the sound wave transmission distance is weakened due to the fact that the sound absorption rod is prolonged after entering, and the noise reduction effect is improved.
In some embodiments, a sound conducting plate 14 is arranged between the sound attenuating layer 10 and the sound absorbing layer 9, and a plurality of micro holes are arranged on the sound conducting plate 14. Through the effect of the sound guide plate, the sound guide plate is combined with the arrangement of the micropores on the sound guide plate, so that the sound wave transmission distance is prolonged, the sound guide plate can greatly contact with the sound entering the mute layer, and the noise reduction effect of the sound barrier is obviously enhanced.
In some embodiments, the sound attenuating layer 10 is provided with bumps 15, and the bumps 15 can reflect sound. Through the arrangement of the lug structure, the sound is reflected and refracted in the mute layer, and the noise reduction effect is enhanced.
In some embodiments, the protrusion 15 is in a triangular pyramid shape, and the tip of the protrusion faces the sound absorption hole b11, so as to improve the noise reduction effect.
In some embodiments, the bottom end of the rotating shaft 1 is provided with a moving assembly 3. The movement during the use process is convenient.
In some embodiments, the moving assembly 3 is a universal wheel with a brake device. The installation stability of the sound barrier is guaranteed while the convenience of moving in the using process is guaranteed.
In some embodiments, the rotating shaft 1 is provided with a rotating reflecting member 5, and the rotating reflecting member 5 can be pressed between the two sound-absorbing plates 2 when the sound-absorbing plates 2 are folded. The convenience in storage and transportation is improved, the weakening of sound waves of a sound source is enhanced, and the noise reduction effect of a sensitive area is enhanced.
In some embodiments, the rotating reflector 5 is provided with a sound absorption hole a 6. The noise reduction effect is enhanced, and meanwhile, the sound wave absorption function is achieved while the sound wave reflection function is achieved, and the sound shielding effect is enhanced.
In some embodiments, the rotating reflecting element 5 is provided with a stabilizing strip 7, the stabilizing strip 7 being able to fix the rotating reflecting element 5 to the sound-absorbing panel 2. The stability of the rotating reflection piece is enhanced, the phenomenon that the rotating reflection piece is inconvenient to use and poor in noise reduction effect due to the fact that large twisting occurs in the using process is avoided, the using stability is enhanced, and the service life is prolonged.
The invention utilizes the shunting, multiple refraction, reflection and sound absorption in the sound wave transmission process to realize the purposes of noise reduction and noise reduction; for the creation of the invention to refer to technical terms, the technicians in this field referred to the prior art, conventional technical means, common general knowledge to realize and understand; the orientation and direction words mentioned in the present invention can be understood directly in the attached drawings.
Claims (7)
1. A folding combined type double-sided sound absorption barrier used in a workshop is characterized by comprising a plurality of sound absorption plates (2) which are sequentially connected end to end, wherein a rotating shaft (1) is arranged between every two adjacent sound absorption plates (2), and the two sound absorption plates (2) can be folded together through the rotating shaft (1); sound absorption rods (4) are arranged on both sides of the sound absorption plate (2); the sound absorption plate (2) comprises a reinforcing piece (8) in the middle layer, a weak sound layer (10) and a sound absorption layer (9) are sequentially arranged on two sides of the reinforcing piece (8), and the weak sound layer (10) and the sound absorption layer (9) are both hollow; the sound absorption rod (4) is hollow inside to form an inner cavity (12), and the inner cavity (12) is communicated with the interior of the weak sound layer (10) in a hollow manner; the sound absorption rod (4) is provided with a plurality of sound absorption holes b (11);
a sound guide plate (14) is arranged between the weak sound layer (10) and the sound absorption layer (9), and a plurality of micropores are formed in the sound guide plate (14);
the bottom end of the rotating shaft (1) is provided with a moving assembly (3);
the rotating shaft (1) is provided with a rotating reflection piece (5), and the rotating reflection piece (5) can be extruded between the two sound absorption plates (2) when the sound absorption plates (2) are folded.
2. A folding combined double-sided sound-absorbing barrier for use in workshops, according to claim 1, characterised in that sound-absorbing cotton (13) is arranged in the sound-absorbing layer (9), and the sound-absorbing cotton (13) is a net of carbon fibres and/or asbestos with a plurality of micro-pores.
3. A folding modular double sided sound absorbing barrier for use in a plant according to claim 1, characterized in that said sound attenuating layer (10) is provided with projections (15), said projections (15) being capable of reflecting sound.
4. A folding modular double sided sound absorbing barrier for use in a plant according to claim 3, characterized in that said projections (15) are of triangular pyramidal shape.
5. A folding modular double-sided acoustic barrier for use in workshops, according to claim 1, characterised in that the moving members (3) are castor wheels with braking means.
6. A folding combined double-sided sound-absorbing barrier for use in a plant according to claim 1, characterized in that the rotating reflecting member (5) is provided with sound-absorbing holes a (6).
7. A folding modular double-sided acoustic barrier for use in workshops, according to claim 1, characterised in that the rotating reflecting element (5) is provided with stabilizing strips (7), the stabilizing strips (7) being capable of fixing the rotating reflecting element (5) to the panel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921246150.5U CN210562742U (en) | 2019-08-03 | 2019-08-03 | Folding combined type double-sided sound absorption barrier used in workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921246150.5U CN210562742U (en) | 2019-08-03 | 2019-08-03 | Folding combined type double-sided sound absorption barrier used in workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210562742U true CN210562742U (en) | 2020-05-19 |
Family
ID=70636088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921246150.5U Active CN210562742U (en) | 2019-08-03 | 2019-08-03 | Folding combined type double-sided sound absorption barrier used in workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210562742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790838A (en) * | 2022-05-20 | 2022-07-26 | 通州建总集团有限公司 | Device of making an uproar falls in isolation for green construction management of engineering construction |
| CN115288049A (en) * | 2022-08-20 | 2022-11-04 | 广东中博交通环保设备有限公司 | Folding type sound absorption barrier |
-
2019
- 2019-08-03 CN CN201921246150.5U patent/CN210562742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790838A (en) * | 2022-05-20 | 2022-07-26 | 通州建总集团有限公司 | Device of making an uproar falls in isolation for green construction management of engineering construction |
| CN115288049A (en) * | 2022-08-20 | 2022-11-04 | 广东中博交通环保设备有限公司 | Folding type sound absorption barrier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210562742U (en) | Folding combined type double-sided sound absorption barrier used in workshop | |
| CN106014545B (en) | A kind of engine muffler | |
| CN102867506A (en) | Sound absorbing structure and sound attenuation channel | |
| CN209249070U (en) | Sound absorber | |
| CN206477257U (en) | Big wave sound-absorbing screen | |
| CN210737398U (en) | Noise insulation board with good noise insulation effect for municipal roads | |
| CN110468981B (en) | Efficient sound insulation material for building wall and preparation method of sound insulation material | |
| CN109346050A (en) | A kind of wide frequency acoustic absorber with folding space | |
| CN209855103U (en) | Light wood structure wall with low-frequency noise reduction and sound absorption performance | |
| CN219177849U (en) | Noise reduction device of compressor and air conditioner | |
| CN207503633U (en) | Whole frequency band lumen compound sound-absorption structural | |
| CN201125501Y (en) | Acoustical absorption ceramic tile | |
| CN217174424U (en) | Tunnel noise reduction device | |
| CN214402251U (en) | Curtain type sound-absorbing wedge structure | |
| CN202996287U (en) | Thin broadband sound-absorbing structure compounded with multi layers of mechanical impedance plates | |
| CN214424144U (en) | Noise reduction room for concrete sleeper production | |
| CN213649495U (en) | Improve sound insulation pad of fire-retardant syllable-dividing effect of car | |
| CN206054046U (en) | A kind of automobile specified deafener of new embedded many plates based on noise reduction technology | |
| CN201981810U (en) | Wall surface sound-absorption structure of test room of high-speed centrifugal fan | |
| CN211087922U (en) | Damping noise eliminator with high insertion loss | |
| CN206459278U (en) | A kind of noise reducing structure of outdoor and air-conditioner outdoor unit | |
| CN218408306U (en) | Aircraft silencer | |
| CN215630780U (en) | Long-life sound-insulation noise-reduction material | |
| CN212802044U (en) | Polyester fiber acoustic panel convenient to dismouting | |
| CN102011500A (en) | Wall surface sound absorption structure of high-speed centrifugal fan testing room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |