CN220791029U - Sound insulation glass for rail transit and mounting structure thereof - Google Patents

Abstract

The utility model discloses sound insulation glass for rail transit and an installation structure thereof, which belong to the technical field of rail transit noise treatment. Through improving current double-deck sound insulation glass, through setting up different thickness to outer glass under different scenes, reached the balance of performance and cost, can realize promoting sound insulation glass's anti penetration ability and wind pressure resistance ability under different installation forms through changing outer glass's thickness in the different installation angles of cooperation, reduced manufacturing cost under the prerequisite that can ensure the result of use.

Description

Sound insulation glass for rail transit and mounting structure thereof

Technical Field

The utility model belongs to the technical field of rail transit noise treatment, and particularly relates to sound insulation glass for rail transit and an installation structure thereof.

Background

Along with the construction of rail traffic engineering, the noise pollution problem generated by the running of trains to resident house buildings along the line is also attracting more and more public attention. The sound insulation window is used as a key sound insulation member for isolating noise of an outdoor sound source, and has important significance for guaranteeing the life quality of indoor residents.

When the civil sound insulation window with sound insulation requirements is selected for the current residential building, the civil sound insulation window is often selected according to the common door and window standards and atlas, the performances of heat preservation, heat insulation, sealing and the like of the door and window are focused, and the sound insulation performance of the sound insulation window, particularly the noise source characteristic and wind pressure resistance of rail transit, are not subjected to structural optimization design. Therefore, when the design and implementation are carried out by selecting the sound insulation window structures with different sound insulation grades, the phenomenon that the sound insulation structure material is wasted in redundancy is highlighted due to the fact that the thickness of the sound insulation material is increased uniformly. When the requirements of the sound insulation amounts of windows on different sides of the same resident are different, the sound insulation structure of the sound insulation window is large in difference, the redundancy waste of constructional parts and the increase of management cost are caused, the cost investment of the sound insulation window is high, and the waste of noise treatment construction funds of rail transit lines, particularly urban rails and high-speed railways is caused.

Along with the intensive research of the applicant, the number of layers, thickness and arrangement combination of different panels, back plates and middle air layers are found to have great influence on sound insulation performance, and the wind pressure resistance performance is also closely related to the thickness of the panel glass. According to GB/T50118 (civil architecture sound insulation design Specification), higher requirements are put forward on the sound insulation amount of sound insulation windows of residents on two sides of a traffic trunk. In order to effectively improve the noise insulation capacity of the noise in the main frequency band of the rail transit, on the basis of meeting the national standard on other physical properties such as heat insulation, sealing, wind pressure resistance and the like of the noise insulation window, the cost factors are considered, the size and arrangement rule of the existing noise insulation structure are simplified and optimally designed, and the developed novel noise insulation window structure has the characteristics of excellent cost and excellent noise insulation performance, is particularly suitable for house building noise treatment influenced by the rail transit noise, and has important significance for improving the indoor sound environment level and life quality of residents along the line, using the national construction funds and constructing an intensive society more effectively and promoting the progress of the noise reduction technology of the rail transit in China, in particular the high-speed railway.

The allocation of different sound insulation levels and wind pressure resistance is realized through a simple sound insulation structure and minimum structural parameter change, so that the requirements that the weight sound insulation levels respectively reach 35dB and 40dB in GB/T50118 civil building sound insulation design Specification and the standard requirements of 30dB and 35dB are respectively met after the traffic noise frequency spectrum correction is considered are met, and the sound insulation structure meets the pulsating wind pressure load requirements along the track traffic line, particularly along the high-speed railway line

Therefore, there is a need to design a soundproof glass for rail transit and a mounting structure thereof to solve the problems.

Disclosure of Invention

The utility model aims to provide a device for Sound insulation glass for rail transit and installation structure thereof.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a sound insulation glass and mounting structure for track traffic, includes outer glass and inner glass outer glass with between the inner glass, and follow outer glass with inner glass's circumference is provided with the spacer, the spacer is used for outer glass with inner glass supports, outer glass inner glass with the cavity that the spacer encloses into is the middle air bed.

Preferably, the thickness of the outer layer glass is D, the dimension of D is 6mm plus or minus 0.1-10 plus or minus 0.1mm, the thickness of the middle air layer is 20 plus or minus 0.1mm, and the thickness of the inner layer glass is 8 plus or minus 0.1mm;

for 45 ° installation facing away from the sound source side when the outer layer glass (1), the intermediate air layer (2) and the inner layer glass (3) have thicknesses of 6mm, 20mm and 8mm, respectively;

for 45 ° installation facing the sound source side when the outer layer glass (1), the intermediate air layer (2) and the inner layer glass (3) have thicknesses of 10mm, 20mm and 8mm, respectively.

So set up, can use different wind pressure load environment, reduced the transmission of vibrations, it is effectual to give sound insulation.

Preferably, sealant is also uniformly coated around the outer side of the spacing bar, the sealant is used for fixing and sealing the spacer, the outer layer glass and the inner layer glass.

So set up, guaranteed the leakproofness of middle air bed, reduced the transmission of vibrations, it is effectual to give sound insulation.

Preferably, the spacer is hollow and is communicated with the middle air layer through a plurality of through holes, and a drying agent is further arranged in the spacer.

By the arrangement, air in the middle air layer can be dried, and water mist on the surface of outer glass or inner glass connected with the middle air layer is avoided.

The sound insulation glass is inserted between the outer frame section bar, the inner frame section bar and a mounting structure formed by the connecting members, and a first sealing sound insulation pad and a second sealing sound insulation pad are further arranged between the sound insulation glass and the connecting members.

Preferably, the outer layer glass is installed on one side close to the outer frame section bar, the inner layer glass is installed on one side close to the inner frame section bar, and rubber sealing elements are arranged between the outer frame section bar and the outer layer glass and between the inner frame section bar and the inner layer glass.

So set up, guaranteed the leakproofness of middle air bed, reduced vibrations, ensured the sound insulation effect.

Preferably, the inner frame section bar is also provided with an inner frame positioning section bar, the inner frame positioning section bar and the inner frame section bar are mutually clamped, the inner frame positioning section bar is used for fixing the sound insulation glass.

So set up, be convenient for fix sound insulation glass.

Preferably, the first sealing and sound insulation pad is -shaped and buckled on the sound insulation glass, and the second sealing and sound insulation pad is provided with a plurality of damping holes.

So set up, font first sealed sound insulation pad can be with sound insulating glass's edge perfect laminating, prevents that the sealant from receiving the striking damage, and the shock-absorbing hole on the second sealed sound insulation pad can inhale and take place deformation when receiving the extrusion, and then receive the energy that produces when a part shakes, has reduced the influence that vibrations caused sound insulating glass.

Preferably, the first sealing and sound insulation pad, the second sealing and sound insulation pad and the rubber sealing piece are made of rubber.

So set up, further separation vibrations have transmitted, have avoided vibrations to sound insulation glass's influence.

The utility model has the advantages and positive effects that:

according to the utility model, the existing double-layer sound-insulating glass is improved, different thicknesses are set for the outer glass in different scenes, so that the balance of performance and cost is achieved, the penetration resistance and wind pressure resistance of the sound-insulating glass in different installation forms can be improved by changing the thickness of the outer glass and matching with different installation angles, and the production cost is reduced on the premise of ensuring the use effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the present utility model in horizontal section along line I-I in FIG. 6;

FIG. 2 is a schematic view of the horizontal section of the present utility model taken along line II-II in FIG. 6;

FIG. 3 is a schematic view in horizontal section along line III-III in FIG. 6 of the present utility model;

FIG. 4 is a schematic view in horizontal section along IV-IV in FIG. 6 of the present utility model;

FIG. 5 is a schematic view of two combined structures of the outer frame profile of the utility model;

FIG. 6 is a schematic view of the sound-deadening glass according to the present utility model after it is mounted;

FIG. 7 is a graph showing the sound insulation amount curve of the flat-open internal sound insulation window shown in Table 1, wherein the sound insulation window is 1500mm multiplied by 1500mm, the sound insulation glass is 8mm+20A+10mm, and the total thickness of the glass is 38 mm;

FIG. 8 is a graph showing the sound insulation amount curve of a flat-open inner inverted sound insulation window shown in Table 2, wherein the sound insulation glass is constructed to be 8mm+20A+6mm, and the total thickness of the glass is 34 mm;

the reference numerals are explained as follows:

1. an outer layer of glass; 2. an intermediate air layer; 3. an inner layer glass; 4. a spacer bar; 5. an outer frame section bar; 501. a first outer assembly; 502. a second outer assembly; 503. a third outer assembly; 6. inner frame section bar; 601. a first inner assembly; 602. a second inner assembly; 7. a connecting member; 8. an inner frame positioning section bar; 9. a rubber seal; 10. a first sealing and sound insulating pad; 11. a second sealing and sound insulating pad; 12. an elastic support; 13. sealing glue; 14. a drying agent; 15. damping hole.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. As will be apparent to one of ordinary skill in the art, the specific meaning of the above terms in the present utility model can be understood by specific cases.

The utility model is further described below with reference to the accompanying drawings:

example 1

As shown in fig. 1 to 8, a sound insulation glass for rail transit and a mounting structure thereof comprise an outer layer glass 1 and an inner layer glass 3, a spacing bar 4 is arranged between the outer layer glass 1 and the inner layer glass 3 along the circumferential direction of the outer layer glass 1 and the inner layer glass 3, the spacing bar 4 is used for supporting the outer layer glass 1 and the inner layer glass 3, and a cavity enclosed by the outer layer glass 1, the inner layer glass 3 and the spacing bar 4 is an intermediate air layer 2.

Specifically, the thickness of the outer layer glass 1 is D, the dimension of D is 6 mm+/-0.1 or 10+/-0.1 mm, the thickness of the middle air layer 2 is 20+/-0.1 mm, the thickness of the inner layer glass 3 is 8+/-0.1 mm, the outer layer glass 1, the middle air layer 2 and the inner layer glass 3 are respectively 6mm, 20mm and 8mm and are used for being installed at 45 degrees opposite to the sound source side, and the outer layer glass 1, the middle air layer 2 and the inner layer glass 3 are respectively 10mm, 20mm and 8mm and are used for being installed at 45 degrees opposite to the sound source side.

Specifically, the outside around the spacer 4 is also evenly coated with sealant 13, and the sealant 13 is used for fixing and sealing the spacer 4, the outer layer glass 1 and the inner layer glass 3, so that the tightness of the middle air layer 2 is ensured, the transmission of vibration is reduced, and the sound insulation effect is good.

Specifically, the spacer 4 has a hollow structure and is mutually communicated with the middle air layer 2 through a plurality of through holes, and a drying agent 14 is further arranged in the spacer 4, so that the air in the middle air layer 2 can be dried, and water mist on the surface of the outer layer glass 1 or the inner layer glass 3 connected with the middle air layer 2 is avoided.

The sound insulation glass is inserted between the mounting structures formed by the outer frame section 5, the inner frame section 6 and the connecting member 7, and a first sealing sound insulation pad 10 and a second sealing sound insulation pad 11 are further arranged between the sound insulation glass and the connecting member 7.

Specifically, outer glass 1 installs in pressing close to one side of frame section bar 5, and inner glass 3 installs in pressing close to one side of inside casing section bar 6, and all is provided with rubber seal 9 between frame section bar 5 and outer glass 1, between inside casing section bar 6 and the inner glass 3, has so set up the leakproofness of having guaranteed middle air bed 2, reduces vibrations, ensures the sound insulation effect.

Specifically, still be provided with inside casing location section bar 8 on inner frame section bar 6, inside casing location section bar 8 and the mutual block of inside casing section bar 6, inside casing location section bar 8 are used for fixing sound insulation glass, so set up be convenient for fix sound insulation glass.

Specifically, the first sealed sound insulation pad 10 is "" font, and the spiral-lock is on sound insulation glass, a plurality of shock attenuation holes 15 have been seted up on the sealed sound insulation pad 11 of second, so set up the sealed sound insulation pad 10 of font and can be with sound insulation glass's edge perfect laminating, prevent that sealant 13 from receiving the striking damage, the shock attenuation hole 15 on the sealed sound insulation pad 11 of second can take place deformation when receiving the extrusion, and then the energy that produces when absorbing a part vibrations has reduced the influence that vibrations caused sound insulation glass.

Further, the materials of the first sealing sound insulation pad 10, the second sealing sound insulation pad 11 and the rubber sealing piece 9 are rubber, so that vibration is further prevented from being transmitted, and the influence of vibration on sound insulation glass is avoided.

The working procedure of this embodiment is: the installation structure formed by the outer frame section bar 5, the inner frame section bar 6 and the connecting member 7 is used for installing sound-proof glass, the sound-proof glass can be effectively supported and fixed, the inner frame positioning section bar 8 which is clamped with the inner frame section bar 6 is used for fixing the sound-proof glass, the installation of the sound-proof glass can be quickly realized, the later overhaul and maintenance are convenient, the rubber sealing piece 9 at the edge is used for realizing the sealing between the glass and the section bar, the vibration of the sound-proof glass can be reduced, the noise elimination is further realized, the influence of frequent vibration on the service life of the sound-proof glass can be prevented, the first sealing sound-proof pad 10 and the second sealing sound-proof pad 11 which are arranged between the connecting member 7 and the sound-proof glass can protect the spacer 4 arranged between the inner layer glass 3 and the outer layer glass 1, a plurality of shock absorption holes are further formed in the second sealing sound-proof pad 11, the second sealing sound-proof pad 11 can deform when the vibration amplitude of the sound-proof glass is larger, the vibration energy generated by the sound-proof glass is absorbed, the damage of the sound-proof glass is avoided, the service life of the sound-proof glass is prolonged, and the service life of the sound-proof glass is prolonged.

As shown in fig. 6, which is a schematic structural view of a soundproof glass after being mounted on a door, fig. 1 and 3 are schematic structural views of a soundproof glass mounting structure of a window on a door, fig. 1 is a schematic horizontal sectional view along the i-i position in fig. 6, specifically, the soundproof glass mounting structure is formed by connecting a first outer assembly 501 and a first inner assembly 601 by using a connecting member 7, then mounting the soundproof glass on one side of the connecting member 7, finally fixing the soundproof glass between the first outer assembly 501 and the inner frame positioning member 8 by using an inner frame positioning member 8, and providing a first sealing soundproof pad 10 and a second sealing soundproof pad 11 between the soundproof glass and the connecting member 7, wherein the mounting structure of fig. 1 is a single-side fixing mounting form of the soundproof glass, which is suitable for fixing the soundproof glass at an edge position.

As shown in fig. 3, which is a schematic view of a horizontal cross section along the iii-iii in fig. 6, specifically, the third outer assembly 503 and the first inner assembly 601 are connected by using the connecting member 7, wherein the third outer assembly 503 has a symmetrical structure, sound insulation glass can be respectively installed on two sides of the connecting member 7 through the symmetrical structure of the third outer assembly 503, finally, the sound insulation glass is fixed between the third outer assembly 503 and the inner frame positioning profile 8 by using the inner frame positioning profile 8, and the installation structure in fig. 3 is a double-side fixed installation form of the sound insulation glass, so that continuous fixed installation of the sound insulation glass can be realized.

Referring to fig. 2 and fig. 4, which are schematic views of a horizontal cross section along a ii-ii in fig. 6, fig. 2 is a schematic view showing a sound insulation glass mounting structure on a door leaf and a door frame, and specifically, a first outer assembly 501 and a first inner assembly 601 are connected by a connecting member 7 to form a first mounting body; the second outer assembly 502 and the second inner assembly 602 are also connected through the connecting member 7 to form a second installation body, then an elastic supporting piece 12 is installed between the first installation body and the connecting member 7 of the second installation body, meanwhile, an inner frame positioning section 8 is also installed on the second inner assembly 602 on the second installation body, sound insulation glass is installed between the inner frame positioning section 8 and the second outer assembly 502, rubber sealing pieces 9 are respectively arranged on the second outer assembly 502 and the first outer assembly 501 and on the second inner assembly 602 and on the first inner assembly 601 in a fitting manner, the first installation body is of a door frame structure, the second installation body is of a door leaf structure, the first installation body and the second installation body are connected through an external hinge, relative rotation can be achieved, and sound insulation glass is installed on the second installation body and can move along with the second installation body.

As shown in fig. 4, a horizontal cross-section along the iv-iv in fig. 6 is schematically shown, specifically, the third outer component 503 and the first inner component 601 are connected by the connecting member 7 to form a third installation body, and then two sides of the third installation body are respectively provided with a second installation body, so that the symmetrical installation manner can realize overlapping combination with door leaves on two sides.

Through the mutual combination of the four installation forms, the installation and fixation of the sound insulation glass under different use environments can be realized, and the application range is wider.

The sound insulation glass structure is sequentially arranged from outside to inside and comprises three layers of sound insulation structures of outer glass 1, an intermediate air layer 2 and inner glass 3, wherein the outer glass 1 faces one side of a sound source, the thickness of the intermediate air layer 2 is 20mm, the thickness of the inner glass 3 is 8mm, errors are controlled to be 0.1mm, the outer glass 1 comprises two specification sizes of 6mm and 10mm, the errors are also controlled to be 0.1mm, and the outer glass 1 with the two different sizes is respectively applied to different scenes.

When the thickness of the outer layer glass 1 is 10mm, the installation structure can be used for the track traffic facing sound source side, namely, when the included angle between the installation surface of the sound insulation structure and the track direction is smaller than 45 degrees, the requirements that Rw is larger than or equal to 40dB and Rw+ctr is larger than or equal to 35dB can be met, the sound insulation quantity curve is shown in the table 1 and the figure 7, the overall wind pressure resistance performance is higher, the installation structure can adapt to long-term pulsation wind pressure load of a high-speed railway, and the installation structure is suitable for being selected when the wind pressure load is larger along the high-speed railway or when the line is closer.

TABLE 1 data for aero-acoustic detection of 8mm+20A+10mm structured sound insulation window

When the thickness of the outer layer glass 1 is 6mm, the installation structure can be used for the back sound source side of the track traffic, namely, under the condition that the included angle between the installation surface of the sound insulation structure and the track direction is larger than 45 degrees, the structure can meet the requirements that Rw is larger than or equal to 35dB and Rw+Ctr is larger than or equal to 30dB, the sound insulation quantity curve is shown in the table 2 and the figure 8, the sound insulation quantity of the main frequency band of the track traffic noise source is obviously improved, but the integral wind pressure resistance is low, the device can adapt to the pulsating wind pressure load of the back railway side of the high-speed railway, and is suitable for being selected under the condition that the wind pressure load of the medium-low speed track traffic and the like is smaller.

TABLE 2 data for aero-acoustic detection of 8mm+20A+6mm structured sound insulation window

The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (8)

1. A sound insulation glass for track traffic, its characterized in that: the glass comprises outer layer glass (1) and inner layer glass (3), wherein a spacing bar (4) is arranged between the outer layer glass (1) and the inner layer glass (3) along the circumferential direction of the outer layer glass (1) and the inner layer glass (3), the spacing bar (4) is used for supporting the outer layer glass (1) and the inner layer glass (3), and a cavity formed by the outer layer glass (1), the inner layer glass (3) and the spacing bar (4) in a surrounding mode is an intermediate air layer (2);

the thickness of the outer layer glass (1) is D, the dimension of D is 6 mm+/-0.1 mm-10 mm+/-0.1 mm, the thickness of the middle air layer (2) is 20+/-0.1 mm, and the thickness of the inner layer glass (3) is 8+/-0.1 mm;

for 45 ° installation facing away from the sound source side when the outer layer glass (1), the intermediate air layer (2) and the inner layer glass (3) have thicknesses of 6mm, 20mm and 8mm, respectively;

for 45 ° installation facing the sound source side when the outer layer glass (1), the intermediate air layer (2) and the inner layer glass (3) have thicknesses of 10mm, 20mm and 8mm, respectively.

2. A sound-insulating glass for rail transit according to claim 1, wherein: and sealing glue (13) is uniformly coated around the outer side of the spacing bar (4), and the sealing glue (13) is used for fixing and sealing the spacing bar (4), the outer layer glass (1) and the inner layer glass (3).

3. A sound-insulating glass for rail transit according to claim 1, wherein: the spacer (4) is of a hollow structure, and is communicated with the middle air layer (2) through a plurality of through holes, and a drying agent (14) is further arranged in the spacer (4).

4. A sound insulating glass mounting structure for rail transit according to claim 1, characterized in that: including frame section bar (5) and inside casing section bar (6), frame section bar (5) with inside casing section bar (6) pass through connecting elements (7) and link to each other, sound insulation glass cartridge in frame section bar (5) inside casing section bar (6) with between the mounting structure that connecting elements (7) are constituteed sound insulation glass with still be provided with first sealed sound insulation pad (10) and second sealed sound insulation pad (11) between connecting elements (7).

5. The mounting structure according to claim 4, wherein: the outer layer glass (1) is installed on one side close to the outer frame section bar (5), the inner layer glass (3) is installed on one side close to the inner frame section bar (6), and rubber sealing elements (9) are arranged between the outer frame section bar (5) and the outer layer glass (1) and between the inner frame section bar (6) and the inner layer glass (3).

6. The mounting structure according to claim 4, wherein: the inner frame section bar (6) is further provided with an inner frame positioning section bar (8), the inner frame positioning section bar (8) is mutually clamped with the inner frame section bar (6), and the inner frame positioning section bar (8) is used for fixing the sound-proof glass.

7. The mounting structure according to claim 4, wherein: the first sealing and sound insulation pad (10) is -shaped and buckled on the sound insulation glass, and the second sealing and sound insulation pad (11) is provided with a plurality of damping holes (15).

8. The mounting structure according to claim 5, wherein: the first sealing and sound insulation pad (10), the second sealing and sound insulation pad (11) and the rubber sealing piece (9) are made of rubber.