CN103791177B - Sound deadening pipe fitting - Google Patents
Sound deadening pipe fitting Download PDFInfo
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/20—Double-walled hoses, i.e. two concentric hoses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/26—Hoses, i.e. flexible pipes made of sound-absorbing materials or with sound-absorbing structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410013281.4A CN103791177B (en) | 2014-01-10 | 2014-01-10 | Sound deadening pipe fitting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410013281.4A CN103791177B (en) | 2014-01-10 | 2014-01-10 | Sound deadening pipe fitting |
Publications (2)
Publication Number | Publication Date |
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CN103791177A CN103791177A (en) | 2014-05-14 |
CN103791177B true CN103791177B (en) | 2016-11-23 |
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CN201410013281.4A Expired - Fee Related CN103791177B (en) | 2014-01-10 | 2014-01-10 | Sound deadening pipe fitting |
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CN (1) | CN103791177B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111795251A (en) * | 2020-07-05 | 2020-10-20 | 潍坊福泰机械有限公司 | Pipe fitting |
Citations (6)
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 |
-
2014
- 2014-01-10 CN CN201410013281.4A patent/CN103791177B/en not_active Expired - Fee Related
Patent Citations (6)
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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Publication number | Publication date |
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CN103791177A (en) | 2014-05-14 |
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Granted publication date: 20161123 Termination date: 20180110 |