CN217267005U - Low noise sound insulation protective screen - Google Patents

Low noise sound insulation protective screen Download PDF

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Publication number
CN217267005U
CN217267005U CN202220504074.9U CN202220504074U CN217267005U CN 217267005 U CN217267005 U CN 217267005U CN 202220504074 U CN202220504074 U CN 202220504074U CN 217267005 U CN217267005 U CN 217267005U
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sound insulation
sound
built
low noise
keel
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CN202220504074.9U
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Chinese (zh)
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崔冠瑞
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Shandong Shangke Environmental Protection Technology Co Ltd
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Shandong Shangke Environmental Protection Technology Co Ltd
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Abstract

The utility model relates to a low-noise sound-insulation barrier, which comprises a sound-insulation barrier body, wherein a built-in sound-insulation plate is arranged at one side of the interior of the sound-insulation barrier body, which is close to a sound-absorbing plate, and the built-in sound-insulation plate is abutted against the inner wall of the sound-insulation barrier body and is positioned between the built-in sound-insulation plate and a sound-insulation material of the sound-insulation barrier body; the utility model has reasonable structural design, the noise can contact with the built-in sound insulation board again after entering the interior of the sound insulation barrier body from the micropores of the sound insulation board, multiple noise reduction effects are formed through multiple irregular reflections, and the overall noise effect is reduced by 10-30% under the same operation environment, thereby providing a low-noise living environment and improving the living quality of residents; meanwhile, the low-noise sound insulation barrier can also be suitable for other places with noise reduction requirements.

Description

Low noise sound insulation protective screen
Technical Field
The utility model relates to a sound insulation equipment technical field especially relates to a low noise sound insulation protective screen for highway uses.
Background
Along with the continuous improvement of the basic construction level of China, the expressway is more and more common, the construction length of the expressway is also gradually increased, people can often pass through dense areas such as urban areas, villages and towns, vehicles on the expressway can generate high-decibel noises in the driving process, the normal life of people can be influenced by the noises without treatment, so sound insulation barriers are usually arranged on two sides of the expressway, a barrier capable of reducing the driving noises of automobiles is formed, however, for residents close to each other, the sound insulation effect of the sound insulation barrier in the market still cannot achieve a good effect, and a low-noise insulation barrier with a good sound insulation effect is urgently needed.
Disclosure of Invention
In order to solve the deficiencies in the prior art, an object of the utility model is to provide a low noise sound insulation protective screen can increase syllable-dividing effect under same product size.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a low noise sound insulation barrier, includes sound insulation barrier body, its characterized in that: the sound insulation barrier body is internally provided with a built-in sound insulation board on one side close to the sound absorption board, the built-in sound insulation board is abutted to the inner wall of the sound insulation barrier body, and the built-in sound insulation board is located between sound insulation materials of the built-in sound insulation board and the sound insulation barrier body.
The surface of the built-in sound insulation plate is provided with a plurality of protruding parts or/and groove parts.
The surface of the built-in sound insulation plate is provided with a protruding portion and a groove portion which are uniformly distributed, and the surface of the built-in sound insulation plate between the protruding portion and the groove portion is in smooth transition.
The surface of the built-in sound insulation plate is provided with a plurality of through holes.
The through hole is positioned at the bottom end of the groove part.
The sound insulation barrier body is including being located fossil fragments frame all around to and be located the back acoustic celotex board of rear side, around back acoustic celotex board and the abatvoix respectively with fossil fragments frame attach is fixed.
The keel frame comprises four group's panel metal plate interconnect, and wherein the side fossil fragments both ends that are located both sides are equipped with a breach portion respectively, are located the upper keel on upper portion and are located the lower keel both ends of lower part and are equipped with respectively and are located plug portion in the breach portion.
The middle part of lower keel is the C type structure that the opening set up down, and the inside embedding of C type structure installs one rather than the banding that the inner wall shape matches, and the banding constitutes the rectangle structure with the middle part of lower keel.
The front side and the rear side of the upper keel and the lower keel are respectively provided with a keel groove formed by bending, and the edges of the back sound-proof plate and the sound-absorbing plate are respectively embedded and installed in the keel grooves in a fixed mode.
The utility model has the advantages that: the noise reduction barrier has the advantages that the structural design is reasonable, after the noise enters the interior of the sound insulation barrier body from the micropores of the sound insulation board, the noise can be contacted with the built-in sound insulation board again, multiple noise reduction effects are formed through multiple irregular reflections, and the overall noise effect is reduced by 10-30% in the same operation environment, so that a low-noise living environment is provided, and the living quality of residents is improved; meanwhile, the low-noise sound insulation barrier can also be suitable for other places with noise reduction requirements.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the internal acoustic panel.
Fig. 3 is a partial sectional view schematically showing the structure of the internal acoustic baffle.
In the figure: 100 sound absorbing boards, 101 micropores, 200 built-in sound insulation boards, 201 through holes, 202 groove parts, 203 convex parts, 300 sound insulation materials, 400 back sound insulation boards, 501 upper keels, 502 lower keels, 503 side keels, 504 keel grooves, 505 edge seals, 506 gap parts and 507 plug parts.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
According to the illustrations of fig. 1 to 3: the embodiment provides a low-noise sound insulation barrier, which comprises a sound insulation barrier body, wherein the sound insulation barrier body consists of a sound absorption board 100, a built-in sound insulation board 200, a sound insulation material 300, a back sound insulation board 400 and a keel frame, wherein the sound absorption board 100 and the back sound insulation board 400 are respectively positioned on the front side and the back side of the sound insulation barrier body, the keel frame is positioned on the periphery of the sound insulation barrier body and is respectively connected with the sound absorption board 100 and the back sound insulation board 400, the built-in sound insulation board 200 and the sound insulation material 300 are positioned on the inner side of the sound insulation barrier body, the shapes of the built-in sound insulation board 200 and the sound insulation material 300 are matched with the shape of the inner space of the sound insulation barrier body, the built-in sound insulation board 200 is positioned on the front side and is arranged close to the sound absorption board 100, and the sound insulation material 300 is made of block-shaped sound absorption cotton and is positioned on the back side and is arranged close to the back sound insulation board 400; in the use, abatvoix 100 adopts the orifice plate structure to towards highway one side installation, the noise is from abatvoix 100 entering low noise sound insulating barrier, through built-in acoustic celotex board 200, acoustic material 300, back acoustic celotex board 400 respectively to outside diffusion, has formed the multiple structure of making an uproar of falling, thereby has realized the technical advantage of low noise.
For the structure of the internal acoustic baffle 200 used in the above structure, the surface of the internal acoustic baffle 200 is provided with a plurality of protruding portions 203 and groove portions 202, the protruding portions 203 and the groove portions 202 are both spherical protrusions, the protruding portions 203 are arranged upward, the groove portions 202 are arranged downward, and the surface of the internal acoustic baffle 200 between the protruding portions 203 and the groove portions 202 is smoothly transited, so that different noise reflection angles and a plurality of noise contact levels are formed, so that the structure of the internal acoustic baffle 200 reduces noise, and the noise effect can be reduced by irregularly reflecting the noise between the acoustic board 100 and the internal acoustic baffle 200; meanwhile, the plurality of through holes 201 are formed in the surface of the built-in sound insulation board 200, the through holes 201 are located at the bottom ends of the groove portions 202, partial noise enters the sound insulation material 300 through the through holes 201 to be subjected to noise reduction treatment again, and finally the partial noise is diffused to the outside through the back sound insulation board 400, so that the noise can be reduced to a reasonable range, and the environment of residents around a highway is guaranteed.
In order to ensure low noise sound insulation protective screen assembly structure's stability, the keel frame comprises four group's panel beating panel interconnect, including the side fossil fragments 503 that are located both sides, the last fossil fragments 501 that are located the upper portion and the lower keel 502 that is located the lower part, the panel beating panel sets up a plurality of departments of bending according to the assembly needs on the surface, has ensured its own basic function structure and structural strength, wherein:
two ends of the side keels 503 positioned at two sides are respectively provided with a notch part 506, two ends of the upper keel 501 positioned at the upper part and two ends of the lower keel 502 positioned at the lower part are respectively provided with a plug part 507 positioned in the notch part 506, so that the side keels 503, the upper keel 501 and the lower keel 502 are connected through the structure, and then are fixed through components such as bolts and the like;
the middle part of the lower keel 502 is of a C-shaped structure with a downward opening, a sealing edge 505 matched with the inner wall of the C-shaped structure in shape is embedded in the C-shaped structure, the sealing edge 505 and the middle part of the lower keel 502 form a rectangular structure, the structural strength of the lower keel 502 is enhanced through the sealing edge 505, and the structural stability is guaranteed in the whole low-noise sound insulation barrier assembling process;
the front side and the rear side of the upper keel 501 and the lower keel 502 are respectively provided with a keel groove 504 formed by bending, and the edges of the back sound-insulating board 400 and the sound-absorbing board 100 are respectively embedded in the keel grooves 504 and fixedly arranged so as to meet the assembly requirement of a product, an assembly connection structure can be preliminarily formed, and then the assembly connection structure is reinforced by a fastener;
the whole assembly structure is high in standardization degree in the production process, easy to produce and capable of improving the production efficiency and the production quality of products.
The above is only the preferred embodiment of the present invention, as long as the preferred embodiment is realized by the same means, the objective technical solution of the present invention all belongs to the protection scope of the present invention.

Claims (9)

1. The utility model provides a low noise sound insulation barrier, includes sound insulation barrier body, its characterized in that: the sound insulation barrier body is internally provided with a built-in sound insulation board on one side close to the sound absorption board, the built-in sound insulation board is abutted to the inner wall of the sound insulation barrier body, and the built-in sound insulation board is located between sound insulation materials of the built-in sound insulation board and the sound insulation barrier body.
2. The low noise sound insulating barrier of claim 1, wherein: the surface of the built-in sound insulation plate is provided with a plurality of protruding parts or/and groove parts.
3. The low noise sound insulating barrier of claim 2, wherein: the surface of the built-in sound insulation plate is provided with a protruding portion and a groove portion which are uniformly distributed, and the surface of the built-in sound insulation plate between the protruding portion and the groove portion is in smooth transition.
4. A low noise sound insulating barrier according to claim 1, 2 or 3, wherein: the surface of the built-in sound insulation plate is provided with a plurality of through holes.
5. The low noise sound insulating barrier of claim 4, wherein: the through hole is positioned at the bottom end of the groove part.
6. The low noise sound insulating barrier of claim 1, wherein: the sound insulation barrier body is including being located fossil fragments frame all around to and be located the back acoustic celotex board of rear side, around back acoustic celotex board and the abatvoix respectively with fossil fragments frame attach is fixed.
7. The low noise sound insulating barrier of claim 6, wherein: the keel frame is formed by four groups of sheet metal panels in an interconnected mode, wherein the two ends of the side keels on the two sides are respectively provided with a notch portion, and the two ends of the upper keel on the upper portion and the two ends of the lower keel on the lower portion are respectively provided with a plug portion in the notch portion.
8. The low noise sound insulating barrier of claim 7, wherein: the middle part of lower keel is the C type structure that the opening set up down, and the inside embedding of C type structure installs one rather than the banding that the inner wall shape matches, and the banding constitutes the rectangle structure with the middle part of lower keel.
9. The low noise sound insulating barrier of claim 7, wherein: the front side and the rear side of the upper keel and the lower keel are respectively provided with a keel groove formed by bending, and the edges of the back sound-proof plate and the sound-absorbing plate are respectively embedded and installed in the keel grooves in a fixed mode.
CN202220504074.9U 2022-03-08 2022-03-08 Low noise sound insulation protective screen Active CN217267005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220504074.9U CN217267005U (en) 2022-03-08 2022-03-08 Low noise sound insulation protective screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220504074.9U CN217267005U (en) 2022-03-08 2022-03-08 Low noise sound insulation protective screen

Publications (1)

Publication Number Publication Date
CN217267005U true CN217267005U (en) 2022-08-23

Family

ID=82860836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220504074.9U Active CN217267005U (en) 2022-03-08 2022-03-08 Low noise sound insulation protective screen

Country Status (1)

Country Link
CN (1) CN217267005U (en)

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