CN103791177B - Sound deadening pipe fitting - Google Patents

Sound deadening pipe fitting Download PDF

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Publication number
CN103791177B
CN103791177B CN201410013281.4A CN201410013281A CN103791177B CN 103791177 B CN103791177 B CN 103791177B CN 201410013281 A CN201410013281 A CN 201410013281A CN 103791177 B CN103791177 B CN 103791177B
Authority
CN
China
Prior art keywords
pipe fitting
sound deadening
deadening pipe
noise reduction
wall
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.)
Expired - Fee Related
Application number
CN201410013281.4A
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Chinese (zh)
Other versions
CN103791177A (en
Inventor
顾志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHU XINLEI PLASTICS TECHNOLOGY Co Ltd
Original Assignee
WUHU XINLEI PLASTICS TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHU XINLEI PLASTICS TECHNOLOGY Co Ltd filed Critical WUHU XINLEI PLASTICS TECHNOLOGY Co Ltd
Priority to CN201410013281.4A priority Critical patent/CN103791177B/en
Publication of CN103791177A publication Critical patent/CN103791177A/en
Application granted granted Critical
Publication of CN103791177B publication Critical patent/CN103791177B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/21Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/20Double-walled hoses, i.e. two concentric hoses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/26Hoses, i.e. flexible pipes made of sound-absorbing materials or with sound-absorbing structure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/18Double-walled pipes; Multi-channel pipes or pipe assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention discloses a kind of sound deadening pipe fitting.The described sound deadening pipe fitting that the present invention provides includes inner tube (2) and the outer tube (3) being coaxially disposed, and is connected by connector (21) between outer wall and the inwall of described outer tube (3) of said inner tube (2).The present invention is by being set to double-decker by pipe fitting, it is preferably formed as multiple air chamber after being connected by connector (21) between two-layer body, and then utilize sound spread speed inconsistent in solid and air, for the body of plastic material, the aerial spread speed of sound is much smaller than spread speed in the plastic, simultaneously, too increase the integral thickness of tube wall, both because of the increase of pipe thickness, significantly intercept the propagation of sound, simultaneously also because of the existence of air chamber, reduce spread speed, thus reduce noise.Utilize the sound deadening pipe fitting that the present invention provides, the loud noise produced can be substantially reduced in current transportation.

Description

Sound deadening pipe fitting
Technical field
The present invention relates to pipe fitting, in particular it relates to a kind of sound deadening pipe fitting.
Background technology
Pipe fitting, as a kind of means of delivery, is extensively applied in daily life and production.At daily life and In production, pipe fitting is convenient with its using method, have wide range of applications and receive much concern.
But in practice, as transport liquid pipe fitting because of the impact of current, often can produce bigger Noise, bring great inconvenience to daily life and production.So, it is provided that a kind of in transportation The sound deadening pipe fitting that can reduce current noise, is the present invention problem of needing solution badly.
Summary of the invention
For above-mentioned prior art, the invention aims to overcome existing pipe fitting in current transportation The middle deficiency that can produce loud noise, it is provided that a kind of new sound deadening pipe fitting.
To achieve these goals, the present invention provides a kind of sound deadening pipe fitting, wherein, described sound deadening pipe fitting bag Include the inner and outer tubes being coaxially disposed, by connecting between outer wall and the inwall of described outer tube of said inner tube Part connects.
Preferably, described connector is plate, the outer wall being connected to inner tube of described plate and outer tube interior One group of opposite side on wall extends along the axial direction of sound deadening pipe fitting, and another group opposite side is along sound deadening pipe fitting Radial direction extends.
Preferably, the number of described connector is 10-30 bar, it is further preferable that multiple connector is along disappearing The circumferencial direction of sound tube part divides equally arrangement.
Preferably, described outer tube outer wall is also configured with noise reduction band.
Preferably, described outer tube is configured with main body and the end at main body two ends, and described noise reduction band is configured at institute State on body outer surface.
Preferably, described noise reduction band is configured at the periphery wall of described main body along the circumferential direction of described outer tube On, described noise reduction band is circular arc and/or annulus.
Preferably, described noise reduction band is a plurality of, and described noise reduction band is annulus, and in the periphery of described main body Equidistantly arrange on wall;Or, described noise reduction band includes circular arc and annulus, and described circular arc and annulus exist On the periphery wall of described main body equidistantly and be intervally arranged.
Preferably, the inner surface of said inner tube is also configured with spiral bar, it is preferable that described spiral bar is many A plurality of spiral bar on bar, and said inner tube inner surface is parallel to each other.
Preferably, it is also filled with quieter material between inwall and the outer wall of said inner tube of described outer tube.
Preferably, described sound deadening pipe fitting is structure as a whole.
The present invention is by being set to double-decker by pipe fitting, after being connected by connector between two-layer body It is preferably formed as multiple air chamber, and then utilizes sound spread speed inconsistent in solid and air, phase For the body of plastic material, the aerial spread speed of sound is much smaller than propagation in the plastic Speed, meanwhile, too increases the integral thickness of tube wall, both because of the increase of pipe thickness, significantly intercepts The propagation of sound, simultaneously also because of the existence of air chamber, reduces spread speed, thus reduces noise. Utilize the sound deadening pipe fitting that the present invention provides, making an uproar more greatly of generation can be substantially reduced in current transportation Sound.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.? In accompanying drawing:
Fig. 1 is the schematic diagram of a kind of sound deadening pipe fitting that the present invention provides;
Fig. 2 is the profile axially of a kind of sound deadening pipe fitting that the present invention provides.
Description of reference numerals
2-inner tube 3-outer tube
11-end 12-main body
13-noise reduction band 21-connector
22-spiral bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this Bright.
Fig. 1 is the surface structure schematic diagram of a kind of sound deadening pipe fitting that the present invention provides;Fig. 2 is that the present invention carries A kind of profile axially of the sound deadening pipe fitting of confession.Disappear as it is shown in figure 1, the invention provides one Sound tube part, wherein, described sound deadening pipe fitting includes inner tube 2 and the outer tube 3 being coaxially disposed, said inner tube 2 Outer wall and the inwall of described outer tube 3 between connected by connector 21.As in figure 2 it is shown, preferred feelings Under condition, in order to reach more preferably booster action, and form multiple air chamber and there is more preferably noise reduction merit Can, the number of described connector 21 is 10-30 bar, it is highly preferred that multiple connector 21 is along hush pipe The circumferencial direction of part divides equally arrangement.Described connector 21 is plate, described plate be connected to inner tube 2 Outer wall and outer tube 3 inwall on one group of opposite side along sound deadening pipe fitting axial direction extend, another group Opposite side extends along the radial direction of sound deadening pipe fitting.
The present invention, by pipe fitting is set to double-decker, forms cavity, Jin Erli between two-layer body With sound spread speed inconsistent in solid and air, for the body of plastic material, sound The aerial spread speed of sound, much smaller than spread speed in the plastic, meanwhile, too increases tube wall Integral thickness, both because of the increase of pipe thickness, has intercepted the propagation of sound, significantly simultaneously also because of cavity Exist, reduce spread speed, thus reduce noise.Simultaneously also by setting between the inner and outer pipe sections Put connector 21 so that described connector 21 divides equally arrangement in the cavity that inner tube 2 and outer tube 3 are formed And shape is consistent, thus above-mentioned cavity is divided into multiple air chamber of the same size, and then avoids because being subject to Power inequality causes the reduction in sound deadening pipe fitting life-span.Preferably, described connector 21 and said inner tube 2 and outward Pipe 3 is integrated injection mo(u)lding.
Additionally, described connector 21, if the material of plate can be various material be applicable to pipe fitting, For example, it is possible to be polyolefine material, concrete, can be polyethylene.
The present invention one preferred embodiment in, as it is shown in figure 1, on described outer tube 3 outer wall also It is configured with noise reduction band 13, and preferred described noise reduction band 13 is integrated injection mo(u)lding with described body.Described Noise reduction band is the protruding band being arranged on outer tube 3 outer wall.
According to the present invention, because pipe fitting two ends water impact pressure is relatively big, in order to strengthen sound deadening pipe fitting two ends Intensity, it is preferable that described outer tube 3 is configured with main body 12 and the end 11 at main body 12 two ends.Main body 12 can be consistent or inconsistent with end 11 pipe thickness at main body 12 two ends, in order to increase end, two ends The intensity of 11, in a preferred embodiment, the overall diameter of described main body 12 is less than described main body The interior diameter of the end 11 at the overall diameter of the end 11 at 12 two ends and main body 12 and main body 12 two ends is equal, The pipe thickness of described main body 12 is less than the pipe thickness of the end 11 at described main body 12 two ends.More Preferably, described noise reduction band 13 along the circumferential direction of described outer tube 3 be circular arc and/or circular equidistantly It is configured on described main body 12 outer surface.According to one of which preferred embodiment, described noise reduction band 13 is annulus;According to another preferred embodiment, described noise reduction band 13 includes annulus and circular arc, and Described annulus and circular arc on the periphery wall of described main body 12 equidistantly and be intervally arranged.By at outer wall On noise reduction band 13 is set, promote the intensity of body larger, use noise reduction band 13 simultaneously, reduce current By time the resonance that produces of body, and then reduce the noise produced further.
In another preferred embodiment of the present invention, the inner surface of said inner tube 2 is also configured with Spiral bar 22, the most described spiral bar 22 is a plurality of, and a plurality of spiral on said inner tube 2 inner surface Muscle 22 is parallel to each other.On inner tube 2 inner surface, the spiral bar 22 of configuration is for being arranged on inner tube 2 inner surface Raised item, such as, can be set to spiral-shaped raised line.Preferably, described spiral bar 22 is with described Body is integrated injection mo(u)lding.By arranging spiral bar 22 at inboard wall of tube body, utilize spiral bar 22 right Current carry out water conservancy diversion, make the current in pipeline be stayed by rotation, because current are when flowing and pipe fitting Inwall is close together, and so would not produce pipe fitting inner wall in lateral current inlet pipe part and repeatedly rush Hit, thus reduce noise, simultaneously when current flow down along tube wall when, inside pipeline, have one Individual unimpeded swirling air post so that internal pipe pressure will not occur larger fluctuation, can greatly reduce When current hung down after colliding with air contact to together with when the various noises that send and bubble Sound, simultaneously because of the configuration of spiral bar 22, adds the comprcssive strength of body, improves displacement.
In the still another embodiment of the present invention, outside the inwall of described outer tube 3 is with said inner tube 2 Quieter material it is also filled with between wall.By filling quieter material, more effectively intercept what current produced Noise, thus reduce noise further.Described quieter material can be the various noise reduction materials that this area is conventional Material, such as, described quieter material can be selected from wave cotton, oil cellucotton and glass fibre cotton Plant or multiple.
Preferably, described sound deadening pipe fitting is structure as a whole.The sound deadening pipe fitting of this integrative-structure is that this area is normal The production method that rule use produces and obtains, such as one be molded into molded, by described sound deadening pipe fitting is set Be set to integrative-structure, it is to avoid because of between sound deadening pipe fitting each parts that the factors such as water impact cause point From, it is to avoid because of the increase of the cost of repairs that various external force factors cause.
According to a kind of specific embodiment of the present invention, disappear as it is shown in figure 1, the invention provides one Sound tube part, wherein, described sound deadening pipe fitting includes inner tube 2 and the outer tube 3 being coaxially disposed, said inner tube 2 Outer wall and the inwall of described outer tube 3 between connected by connector 21.As in figure 2 it is shown, described company Fitting 21 is plate, a group on the outer wall being connected to inner tube 2 of described plate and the inwall of outer tube 3 Opposite side extends along the axial direction of sound deadening pipe fitting, and another group opposite side prolongs along the radial direction of sound deadening pipe fitting Stretch.The number of described connector 21 is 20 and circumferencial direction along sound deadening pipe fitting divides equally arrangement.Described Outer tube 3 is configured with main body 12 and the end 11 at main body 12 two ends, and the overall diameter of end 11 is more than main body The overall diameter of 12, the interior diameter of end 11 and the interior diameter of main body 12 are equal, on described outer tube 3 outer wall Being also configured with a plurality of noise reduction band 13, described noise reduction band 13 is annulus along the circumferential direction of described outer tube 3 Shape is equidistantly configured on described main body 12 outer surface.It is also configured with many on the inner surface of said inner tube 2 A plurality of spiral bar 22 on bar spiral bar 22 and said inner tube 2 inner surface is parallel to each other.Described body is One be molded into molded.It is also filled with noise reduction material between inwall and the outer wall of said inner tube 2 of described outer tube 3 Material glass fibre cotton.
According to the another kind of specific embodiment of the present invention, the invention provides a kind of sound deadening pipe fitting, its In, described sound deadening pipe fitting includes inner tube 2 and the outer tube 3 being coaxially disposed, the outer wall of said inner tube 2 and institute State and connected by connector 21 between the inwall of outer tube 3.Described connector 21 is plate, described plate The outer wall being connected to inner tube 2 and outer tube 3 inwall on one group of opposite side along the axial side of sound deadening pipe fitting To extension, another group opposite side extends along the radial direction of sound deadening pipe fitting.The number of described connector 21 It is 20 and circumferencial direction along sound deadening pipe fitting divides equally arrangement.Described outer tube 3 is configured with main body 12 and master The end 11 at body 12 two ends, the overall diameter of end 11 more than the overall diameter of main body 12, end 11 interior The interior diameter of diameter and main body 12 is equal, and described outer tube 3 outer wall is also configured with a plurality of noise reduction band 13, Described noise reduction band 13 includes circular arc and annulus, and circular arc and annulus are along the circumferential direction of described outer tube 3 Interlock and equidistantly arrange.Preferably, the arc length of every circular arc is the most equal, and described circular arc aligned fashion, Or, described circular arc Relative distribution (such as, the tube surfaces at the place of every major arc with this major arc energy The minor arc part enough forming annulus is relative).By noise reduction band 13 being arranged to annulus and circular arc is alternately arranged, Both reached the erasure effect that as above an embodiment is consistent, and also provide further relative savings material, reduce life Produce cost.Table in a plurality of spiral bar 22 and said inner tube 2 it is also configured with on the inner surface of said inner tube 2 A plurality of spiral bar 22 on face is parallel to each other.Described body be one be molded into molded.Described outer tube 3 Quieter material wave it is also filled with cotton between the outer wall of inwall and said inner tube 2.
In addition, it is proposed, according to the invention, the material of said inner tube 2 and outer tube 3 can be this area conventional pipe Material, such as, polyolefin, be specifically as follows polyethylene.
The sound deadening pipe fitting of said structure by being set to double-decker and filling out between double-decker by body Fill quieter material, thus intercepted the propagation of sound, reduce the generation of noise, further through outside body Portion arranges noise reduction band 13, adds the intensity of body and reduces resonance, thus has reached to reduce noise Purpose.Simultaneously by arranging spiral bar 22 at inner surface of tube body, thus current are carried out water conservancy diversion, simultaneously Also improve the intensity of tubing, both added the intensity of body, and also improved displacement.By above-mentioned knot Structure designs, thus reduces the noise produced in water flow process, serves the effect of noise reduction.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (6)

1. a sound deadening pipe fitting, it is characterised in that described sound deadening pipe fitting includes the inner tube (2) being coaxially disposed With outer tube (3), between outer wall and the inwall of described outer tube (3) of said inner tube (2), pass through connector (21) connecting, described connector (21) is plate, being connected to outside inner tube (2) of described plate One group of opposite side on the inwall of wall and outer tube (3) extends along the axial direction of sound deadening pipe fitting, another group Opposite side extends along the radial direction of sound deadening pipe fitting, and the number of described connector (21) is 10-30 bar, Being also configured with noise reduction band (13) on described outer tube (3) outer wall, described noise reduction band (13) is along outside described The circumferential direction of pipe (3) is configured on the periphery wall of main body (12), and described noise reduction band (13) is circle Arc and/or annulus, described noise reduction band (13) is a plurality of, and described noise reduction band (13) is annulus, and in institute State and equidistantly arrange on the periphery wall of main body (12);Or, described noise reduction band (13) include circular arc and Annulus, and described circular arc and annulus on the periphery wall of described main body (12) equidistantly and be intervally arranged, Spiral bar (22) it is also configured with on the inner surface of said inner tube (2).
Sound deadening pipe fitting the most according to claim 1, it is characterised in that multiple connectors (21) Circumferencial direction along sound deadening pipe fitting divides equally arrangement.
Sound deadening pipe fitting the most according to claim 1, it is characterised in that described outer tube (3) configures The end (11) at main body (12) and main body (12) two ends, described noise reduction band (13) is had to be configured at institute State on main body (12) outer surface.
Sound deadening pipe fitting the most according to claim 1, it is characterised in that described spiral bar (22) For a plurality of, and a plurality of spiral bar (22) on said inner tube (2) inner surface is parallel to each other.
5. according to the sound deadening pipe fitting described in any one in claim 1-4, it is characterised in that described It is also filled with quieter material between inwall and the outer wall of said inner tube (2) of outer tube (3).
6. according to the sound deadening pipe fitting described in any one in claim 1-4, it is characterised in that described Sound deadening pipe fitting is structure as a whole.
CN201410013281.4A 2014-01-10 2014-01-10 Sound deadening pipe fitting Expired - Fee Related CN103791177B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410013281.4A CN103791177B (en) 2014-01-10 2014-01-10 Sound deadening pipe fitting

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Application Number Priority Date Filing Date Title
CN201410013281.4A CN103791177B (en) 2014-01-10 2014-01-10 Sound deadening pipe fitting

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CN103791177A CN103791177A (en) 2014-05-14
CN103791177B true CN103791177B (en) 2016-11-23

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111795251A (en) * 2020-07-05 2020-10-20 潍坊福泰机械有限公司 Pipe fitting

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903928A (en) * 1972-08-15 1975-09-09 Smiths Industries Ltd Vehicle exhaust tubing
EP0342802A2 (en) * 1988-05-20 1989-11-23 Smiths Industries Public Limited Company Ducting
CN201651598U (en) * 2010-03-20 2010-11-24 永高股份有限公司 Hollow wall spiral hush pipe
CN202100843U (en) * 2011-01-27 2012-01-04 王领法 Sound insulation drainage pipe
CN202215859U (en) * 2011-07-30 2012-05-09 青阳县三宝塑业有限责任公司 Helical vacuum sound deadening water pipe
CN203784488U (en) * 2014-01-10 2014-08-20 芜湖新磊塑胶科技有限公司 Silencing pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903928A (en) * 1972-08-15 1975-09-09 Smiths Industries Ltd Vehicle exhaust tubing
EP0342802A2 (en) * 1988-05-20 1989-11-23 Smiths Industries Public Limited Company Ducting
CN201651598U (en) * 2010-03-20 2010-11-24 永高股份有限公司 Hollow wall spiral hush pipe
CN202100843U (en) * 2011-01-27 2012-01-04 王领法 Sound insulation drainage pipe
CN202215859U (en) * 2011-07-30 2012-05-09 青阳县三宝塑业有限责任公司 Helical vacuum sound deadening water pipe
CN203784488U (en) * 2014-01-10 2014-08-20 芜湖新磊塑胶科技有限公司 Silencing pipe

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